CN117189764A - Folding device, shell assembly, electronic equipment and foldable electronic equipment - Google Patents

Detailed Description

The following are preferred embodiments of the present application, and it should be noted that modifications and variations can be made by those skilled in the art without departing from the principle of the present application, and these modifications and variations are also considered as the protection scope of the present application.

Before the technical scheme of the application is described, the technical problems in the related art are described in detail.

With the continuous development of display technology, users have increasingly demanded electronic devices, and thus a variety of electronic devices, such as a folder type electronic device, a roll type electronic device, a scroll type electronic device, and the like, have been developed and introduced. Among them, the foldable electronic device has a larger display area in an unfolded state and a smaller overall size in a folded state because of its unique folding performance, and is now popular with more and more users. The folding electronic device can be divided into an inward fold and an outward fold in the bending direction. Wherein, the inward folding means that the two halves of the flexible screen are closer to each other than the shell and are protected by the shell, so that the user cannot see the flexible screen in the folded state. The outward folding means that the two halves of the flexible screen are far away from each other compared with the shell, and the flexible screen can not be protected by the shell, but still can enable a user to watch the display picture under the folding state. And for the inward folding, the cross-sectional shape after folding of the flexible screen can be divided into a U-shape and a water drop shape. The U-shaped is named after the flexible screen is bent, and the cross section of the flexible screen is similar to the letter U. The name "drop" refers to a name obtained by bending a flexible screen to have a cross-sectional shape similar to that of a drop. In other words, the space between the two half screens of the water drop-shaped flexible screen has the characteristics of small upper part and large lower part.

Whether folded in or out, whether formed in a U-shape or a drop-shape, folding devices installed in electronic devices are generally used to implement folding functions of the folding electronic devices. The folding device moves relative to the bracket by virtue of the supporting piece of the folding device, and moves according to a preset movement track by matching other structural parts, so that the screen can be limited to be U-shaped or drop-shaped when in a folding state. However, the existing folding device has the disadvantages of complex structure, large overall width, more occupied space and adverse miniaturization development. For example, the connecting piece in some folding devices can slide relative to the rotating piece, which can change the dimensions of the folding device, the housing assembly applying the folding device and the electronic equipment along the length direction, so that the folding device has a complex structure, the whole length can be increased, and more space can be occupied, thereby reducing the installation space of other structural components such as a main board or a battery. And the chute type structure can not support the connecting piece when the folding device encounters an emergency (such as falling), so that the reliability of the folding device is affected.

Based on this, in order to solve the above-mentioned problems, the present application provides a folding device. Referring to fig. 1 to 8, fig. 1 is a schematic perspective view illustrating a folding device in an unfolded state according to an embodiment of the application. Fig. 2 is a schematic perspective view of another view of the folding device shown in fig. 1. Fig. 3 is an exploded view of the folding device of fig. 1. Fig. 4 is a front view of the folding device shown in fig. 1. Fig. 5 is a schematic perspective view of a bracket according to an embodiment of the application. Fig. 6 is a schematic perspective view of a folding device in a folded state according to an embodiment of the present application. Fig. 7 is a schematic perspective view of another view of the folding device shown in fig. 6. Fig. 8 is a front view of the folding device shown in fig. 6.

The present embodiment provides a folding device 1, which includes a bracket 10, a first rotating mechanism and a second rotating mechanism 20 'disposed side by side, wherein each of the first rotating mechanism 20 and the second rotating mechanism 20' includes a first rotating member 21, a second rotating member 22, and a connecting member 23; one ends of the first rotating member 21 and the second rotating member 22 are rotatably connected to the bracket 10, the other ends of the first rotating member 21 and the second rotating member 22 are rotatably connected to the connecting member 23, and a first rotation axis C1 between the first rotating member 21 and the connecting member 23 is parallel and not overlapped with a second rotation axis C2 between the second rotating member 22 and the connecting member 23. The support mechanism 30 includes a first support member 31 and a second support member 31' disposed on opposite sides of the support frame 10, the first support member 31 is rotatably connected to the connecting member 23 of the first rotation mechanism 10, and the second support member 31' is rotatably connected to the connecting member 23 of the second rotation mechanism 20 '. The driven mechanism 70 comprises a first driven member 71 and a second driven member 'which are arranged on two opposite sides of the support 10, one end of the first driven member 71 is rotatably connected with the support 10, the other end of the first driven member 71 is rotatably connected with the first supporting member 31, one end of the second driven member 71' is rotatably connected with the support 10, and the other end of the second driven member 71 'is rotatably connected with the second supporting member 31'.

When the folding device 1 is folded, the first follower 71, the second follower 71', and the first rotating member 21, the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20' rotate, and the first supporting member 31 and the second supporting member 31' are folded with each other; when the folding device 1 is unfolded, the first follower 71, the second follower 71', and the first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20' rotate, and the first supporting member 31 and the second supporting member 31' are unfolded from each other.

The folding device 1 is a device which can be rotated relatively to realize folding and unfolding and has a folding function. The folding apparatus 1 provided in the present embodiment can be applied to various fields, such as a door lock field, a vehicle field, a mechanical field, an electronic product field, and the like. The present embodiment will be schematically described with respect to a folding electronic device in which the folding apparatus 1 is applied to the field of electronic products. Of course, the application of the folding device 1 to other fields shall also fall within the scope of the present application.

In addition, the above-mentioned electronic devices include, but are not limited to, mobile terminals such as mobile phones, tablet computers, notebook computers, palm top computers, personal computers (Personal Computer, PC), personal digital assistants (Personal Digital Assistant, PDA), portable media players (Portable Media Player, PMP), navigation devices, wearable devices, smart bracelets, pedometers, and stationary terminals such as digital TVs, desktop computers, and the like. The present embodiment will be schematically described only when the electronic device is a mobile phone. Of course, in other embodiments, the electronic device may be of other kinds, and should also fall within the protection scope of the present application.

The folding apparatus 1 mainly includes the stand 10, the two rotating mechanisms, the supporting mechanism 30, and the driven mechanism 70, and the present embodiment can solve the above-mentioned technical problems only by using the stand 10, the two rotating mechanisms, the supporting mechanism 30, and the driven mechanism 70, but this does not mean that the folding apparatus 1 can only have the above-mentioned mechanism, and the folding apparatus 1 can also have other mechanisms such as a synchronizing mechanism, a hovering mechanism, and the like. Next, the present embodiment will be described in detail with respect to the bracket 10, the two rotating mechanisms, the supporting mechanism 30, and the driven mechanism 70 in order.

The stand 10 is a basic structural member in the folding device 1, and mainly plays a role of supporting and mounting, so that other structural members in the folding device 1, such as a rotating member, a driven member 71, and the like, can be mounted on the stand 10. And the stand 10 can also function as a support screen in some embodiments. Including but not limited to various screens, or various rigid members, or other components. The present embodiment is not limited to the shape, structure, material, etc. of the bracket 10, as long as the assembly base can be provided for other structural members.

Alternatively, the bracket 10 has a top surface 101 and a bottom surface 102 disposed opposite to each other, two first side surfaces 103 and two second side surfaces 104 connected between the top surface 101 and the bottom surface 102 in a bending manner, the two first side surfaces 103 are disposed at intervals, the two second side surfaces 104 are disposed at intervals, and the two second side surfaces 104 are connected to opposite sides of the two first side surfaces 103 in a bending manner. The first side 103 is adjacent to the subsequent rotating mechanism 20 and the first side 103 is arcuate in shape such that the width of the top 101 is greater than the width of the bottom 102. Since the top surface 101 is subsequently provided with various structural members, and the bottom surface 102 is generally not provided with or provided with fewer components, making the top surface 101 larger and the bottom surface 102 smaller reduces the size of the bracket 10 and provides more structural members. In addition, the first side 103 is designed to be arc-shaped, so that other structural members such as the rotating mechanism 20 or the shell can be avoided in the moving process, and the interference problem in the moving process is prevented. As for the second side 104, it is possible to design it planar for further structural elements to be subsequently provided on the second side 104, such as the follower mechanism 70, the synchronizing mechanism, the hover mechanism, etc.

The rotating mechanism is one of core mechanisms in the folding device 1, mainly realizes the rotating function of the folding device 1, and drives and limits the parts connected with the rotating mechanism through the rotation of the rotating mechanism so as to enable the parts to move according to a preset movement track. The first rotating mechanism 20 mainly includes a first rotating member 21, a second rotating member 22, and a connecting member 23. Wherein the first rotating member 21 and the second rotating member 22 mainly play a role in rotation, the connecting member 23 mainly plays a role in intermediate connection, and the connecting member 23 is subsequently used for being fixedly arranged on the housing. One end of the first rotating member 21 is rotatably connected to the bracket 10, i.e., one end of the first rotating member 21 adjacent to the bracket 10 is rotatably connected to the bracket 10. In other words, the support 10 is generally stationary, so that the first rotating member 21 can rotate relative to the support 10. And, one end of the second rotating member 22 is also rotatably connected to the bracket 10, that is, one end of the second rotating member 22 near the bracket 10 is rotatably connected to the bracket 10. In other words, the support 10 is generally stationary, so that the second rotating member 22 can rotate relative to the support 10. The specific configuration of the first rotating member 21 and the second rotating member 22 and the bracket 10 will be described in detail later.

The other end of the first rotating member 21 is rotatably connected to the connecting member 23, i.e., the end of the first rotating member 21 remote from the bracket 10 is rotatably connected to the connecting member 23. In other words, the first rotating member 21 can rotate relative to the connecting member 23. And the other end of the second rotating member 22 is also rotatably connected to the connecting member 23, i.e., the end of the second rotating member 22 remote from the bracket 10 is rotatably connected to the connecting member 23. In other words, the second rotating member 22 can rotate relative to the connecting member 23. The specific configuration of the first rotating member 21, the second rotating member 22 and the bracket 10 will be described in detail later. The two rotating parts are rotationally connected with the connecting part 23, so that the connecting part 23 can rotate only relative to the two rotating parts and cannot slide, the connecting part 23 can be prevented from sliding relative to the two rotating parts, the size of the folding device 1 is increased, and the purpose of miniaturization of the folding device 1 is achieved. And the two rotating members rotate the connecting piece 23, so that when the folding device 1 encounters an emergency (such as falling), the rotating structure is effectively utilized to support the connecting piece 23, and the reliability of the folding device 1 is improved.

The connecting piece 23 can be fixedly arranged on the shell, so that the connecting piece 23 is driven to rotate when the shell rotates. In some embodiments the connector 23 and the housing may be of unitary or split construction. When the connecting member 23 and the housing are integrally formed, the connecting member 23 and the housing are manufactured by one process, but for convenience of understanding, the connecting member 23 and the housing are named differently. When the connecting member 23 and the housing are in a split structure, the connecting member 23 and the housing are prepared separately, and then the connecting member 23 is fixed on the housing by various methods such as bonding, screw connection, snap connection, etc. In this embodiment, only the coupling member 23 and the housing are schematically described as a split structure.

The present embodiment is not limited to the shape, structure, material, and other parameters of the first rotating member 21, the second rotating member 22, and the connecting member 23, as long as one end of the first rotating member 21 and the second rotating member 22 can be rotatably connected to the bracket 10, and the other end of the first rotating member 21 and the second rotating member 22 can be rotatably connected to the connecting member 23.

When the first rotating member 21 is rotatably connected to the connecting member 23, a first rotational axis C1 is provided between the first rotating member 21 and the connecting member 23 (as shown by C1 in fig. 4). When the second rotating member 22 is rotatably connected to the connecting member 23, a second rotation axis C2 is provided between the second rotating member 22 and the connecting member 23 (as shown by C2 in fig. 4). In the present embodiment, the first rotation axis C1 and the second rotation axis C2 may be parallel to each other. The term "parallel to each other" refers to that the extending direction of the first rotation axis C1 is the same as the extending direction of the second rotation axis C2, and a certain distance is provided between the first rotation axis C1 and the second rotation axis C2, that is, the first rotation axis C1 and the second rotation axis C2 are parallel to each other and do not coincide with each other. The above design can make the connecting piece 23 limited not to rotate relative to the first rotating piece 21 and the second rotating piece 22 when the folding device 1 is in a static state, i.e. when the folding device 1 is not rotated, and keep relative static with the first rotating piece 21 and the second rotating piece 22, so that the structural stability of the folding device 1 is improved. However, when the folding device 1 is in the moving process, the rotation of the connecting piece 23 still drives the first rotating piece 21 and the second rotating piece 22 to rotate, and the first rotating piece 21 and/or the second rotating piece 22 can rotate relative to the bracket 10 and the connecting piece 23.

The second rotating mechanism 20' is the same as the first rotating mechanism 20 and also includes a first rotating member 21, a second rotating member 22, and a connecting member 23; one ends of the first rotating member 21 and the second rotating member 22 are rotatably connected to the bracket 10, the other ends of the first rotating member 21 and the second rotating member 22 are rotatably connected to the connecting member 23, and a first rotation axis C1 between the first rotating member 21 and the connecting member 23 is parallel and not overlapped with a second rotation axis C2 between the second rotating member 22 and the connecting member 23. The first rotating member 21, the second rotating member 22, and the connecting member 23 in the second rotating mechanism 20' can refer to the first rotating member 21, the second rotating member 22, and the connecting member 23 in the first rotating mechanism 20, and the description thereof is omitted herein.

The supporting mechanism 30 is mainly used for supporting the screen in the following in the folding device 1, and the supporting mechanism 30 is used as a constrained mechanism in the folding device 1, and can be limited by the motion trail of other mechanisms so as to move, so that the required folding form is finally realized, and the screen is driven to bend to form the required shape. The support mechanism 30 in this embodiment includes a first support 31 and a second support 31', the first support 31 and the second support 31' are used for supporting the screen, and the first support 31 has a support surface 310 for supporting the screen. Alternatively, the screen may abut the support surface 310, or the screen may have a gap with the support surface 310. The first support 31 is rotatably connected to the connecting member 23, i.e. the first support 31 is rotatable relative to the connecting member 23. The first support 31 may also cooperate with a subsequent driven mechanism 70. The second support 31' has a support surface 310 for supporting the screen. Alternatively, the screen may abut the support surface 310, or the screen may have a gap with the support surface 310. The second support 31 'is rotatably connected to the connecting member 23, i.e. the second support 31' is rotatable relative to the connecting member 23. The second support 31' can also cooperate with a subsequent driven mechanism 70.

It should be noted here that the above-mentioned rotation is understood to mean that the two moving parts can move circumferentially about the axis of rotation. The present embodiment is not limited to the shape, structure, material, etc. of the first support 31 and the second support 31', as long as the first support 31 and the second support 31' can support the screen and the connecting member 23 and the follower 71 are rotatably connected.

The driven mechanism 70 plays an auxiliary role in the folding device 1, and is mainly used for controlling and driving the first support member 31 and the second support member 31 'to move so that the first support member 31 and the second support member 31' move according to a specific track. The follower mechanism 70 includes a first follower 71 and a second follower 71' at least partially disposed on opposite sides of the support frame 10. One end of the first follower 71 is rotatably connected to the bracket 10, that is, one end of the first follower 71 near the bracket 10 can rotate relative to the bracket 10. As for the other end of the first follower 71, the other end of the first follower 71 is rotatably connected to the first supporting member 31, that is, the end of the first follower 71 away from the bracket 10 can rotate relative to the first supporting member 31, in other words, the first supporting member 31 can also rotate relative to the first follower 71.

One end of the second follower 71 'is rotatably connected to the bracket 10, i.e. the end of the second follower 71' adjacent to the bracket 10 can rotate relative to the bracket 10. As for the other end of the second follower 71', the second follower 71' is rotatably connected to the second support 31', i.e. the end of the second follower 71' away from the bracket 10 can rotate relative to the second support 31', in other words, the second support 31' can also rotate relative to the second follower 71 '. The present embodiment is not limited to the shape, structure, material, and other parameters of the first follower 71 and the second follower 71', as long as the first follower 71 and the second follower 71' can achieve the above-described connection relationship, and function as an auxiliary motion.

The folding device 1 provided in this embodiment includes one support mechanism 30, one driven mechanism 70, and two rotating mechanisms. One support mechanism 30, one driven mechanism 70, and two rotating mechanisms constitute one integral mechanism provided on a side of the support mechanism 30 where the first support member 31 and the second support member 31' face away from the support surface 310. In other embodiments, the folding device 1 includes two supporting mechanisms 30, two driven mechanisms 70, and four rotating mechanisms, where each supporting mechanism 30, one driven mechanism 70, and two rotating mechanisms form a whole mechanism, and the two whole mechanisms are all disposed on a side of the first supporting member 31 and the second supporting member 31' of the supporting mechanisms 30, which is away from the supporting surface 310, and are disposed at intervals along the length direction of the first supporting member 31. Of course, in other embodiments, the folding device 1 may also include three or more supporting mechanisms 30, three or more driven mechanisms 70, and six or more rotating mechanisms, where each supporting mechanism 30 and one driven mechanism 70 and two rotating mechanisms form a whole mechanism, and the three or more whole mechanisms are all disposed on a side of the supporting mechanism 30, where the first supporting member 31 and the second supporting member 31 'deviate from the supporting surface 310, and are disposed at intervals along the length directions of the first supporting member 31 and the second supporting member 31'.

Based on the connection relationship, the folding device 1 can not only fold but also move according to a preset folding track to obtain a required folding form. Specifically: when the folding device 1 is folded, the first follower 71, the second follower 71', and the first rotating member 21, the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20' rotate, and the first supporting member 31 and the second supporting member 31' are folded with each other; when the folding device 1 is unfolded, the first follower 71, the second follower 71', and the first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20' rotate, and the first supporting member 31 and the second supporting member 31' are unfolded from each other.

The above-mentioned movement process of the folding device 1 has various driving and driven logic relationships, and the present application is exemplified by one specific movement process. When the folding device 1 is folded or unfolded, that is, when the connecting piece 23 rotates relative to the bracket 10, the first rotating piece 21 and the second rotating piece 22 rotate to connect the bracket 10, so that the connecting piece 23 can drive the first rotating piece 21 and the second rotating piece 22 to rotate relative to the bracket 10. Meanwhile, since the first supporting member 31 is rotatably connected to the connecting member 23, the first supporting member 31 can be rotated synchronously with respect to the bracket 10 when the connecting member 23 rotates with respect to the bracket 10. And because the two ends of the first follower 71 are respectively rotatably connected to the bracket 10 and the first supporting member 31, the first supporting member 31 can drive the first follower 71 to rotate relative to the bracket 10 when rotating relative to the bracket 10, and finally the first supporting member 31 and the second supporting member 31' are mutually folded or mutually unfolded. In other embodiments, the active and passive relationships of the plurality of structural members may be reversed, for example, the first rotating member 21 and the second rotating member 22 may be rotated relative to the bracket 10, so as to rotate the connecting member 23 relative to the bracket 10. Such a course of movement and principle shall also fall within the scope of the present application.

When the first support member 31 and the second support member 31' are parallel to each other, and the first support member 31 and the second support member 31' are located on opposite sides of the stand 10, it can also be understood that when the first support member 31 is close to the first side 103 of the stand 10, the first support member 31 and the second support member 31' are in a completely mutually unfolded state, in other words, the folding device 1 is in an unfolded state, as shown in fig. 4. When the first supporting member 31 and the second supporting member 31 'are parallel to each other, and the first supporting member 31 and the second supporting member 31' are located at one side of the stand 10, it can also be understood that when the first supporting member 31 and the second supporting member 31 'are located at the top surface 101 of the stand 10, the first supporting member 31 and the second supporting member 31' are in a completely mutually folded state, in other words, the folding device 1 is in a folded state, as shown in fig. 8. When the first supporting member 31 and the second supporting member 31 'are folded, that is, the process of the folding device 1 from the unfolded state to the folded state, can also be understood as the process from fig. 4 to fig. 8, at this time, the two connecting members 23 rotate and approach each other to drive the first supporting member 31 and the second supporting member 31' to be combined with each other, so as to achieve mutual approaching and folding. When the first supporting member 31 and the second supporting member 31 'are mutually unfolded, that is, the process of the folding device 1 from the folded state to the unfolded state can be understood as the process from fig. 8 to fig. 4, at this time, the two connecting members 23 rotate mutually and are far away from each other to drive the first supporting member 31 and the second supporting member 31' to be separated from each other, so as to realize the mutual distance and unfolding.

When the folding device 1 is in a folded state, the first supporting member 31, the second supporting member 31' and the bracket 10 can jointly enclose to form an accommodating space 11 for accommodating a screen, and the folding device 1 provided in this embodiment can make the cross section of the screen have a U shape or a water drop shape. In the present embodiment, the sectional shape of the housing space 11 is only schematically described as a water drop shape.

In summary, the folding device 1 provided in the present embodiment can realize the folding and unfolding of the first support 31 and the second support 31' by adopting the cooperation of the bracket 10, the rotation mechanism, the support mechanism 30, and the driven mechanism 70, that is, the folding and unfolding functions of the folding device 1 are realized. And the first rotating element 21 and the second rotating element 22 are parallel to and not coincident with the first rotating axis line C1 and the second rotating axis line C2 between the first rotating element 21 and the second rotating element 22 respectively, so that the length of the folding device 1 is smaller and the dimension in the length direction cannot be changed on the basis of realizing the normal movement of the first supporting element 31, the structure of the folding device 1 is compact, the space occupied by the folding device 1 in a shell assembly and an electronic device is reduced, and the layout of other structural members such as a main board or a battery is facilitated. The sliding of the connecting member 23 with respect to the rotating member is also advantageous in comparison with the related art in terms of the miniaturization of the folding device 1. The above-mentioned longitudinal direction of the folding device 1 may be understood as the arrangement direction of the first supporting member 31 and the second supporting member 31' and the bracket 10 when the folding device 1 is in the unfolded state.

In addition, the first rotation axis C1 and the second rotation axis C2 are parallel and not overlapped, so that the connecting piece 23 can not rotate relative to the first rotation piece 21 and the second rotation piece 22, and stability of the folding device 1 is improved.

Alternatively, when the folding device 1 is in the unfolded state, the supporting surfaces 310 of the first supporting member 31 and the second supporting member 31 'may be coplanar with the top surface 101 of the stand 10, so that the screen may abut on the supporting surfaces 310 of the first supporting member 31 and the second supporting member 31' and the top surface 101 of the stand 10. Of course, in other embodiments, the supporting mechanism 30 may further include a carrier (not shown) disposed between the first supporting member 31 and the second supporting member 31', where the carrier is mounted on the top surface 101 of the stand 10, and the carrier also has a bearing surface for supporting the screen. When the folding device 1 is in the unfolded state, the supporting surface 310 of the first supporting member 31 is coplanar with the bearing surface of the bearing member, so that the screen can be abutted against the supporting surface 310 of the first supporting member 31 and the bearing surface of the bearing member.

Furthermore, the description of the various embodiments of the application is provided with reference to the accompanying drawings in order to illustrate specific embodiments in which the application may be practiced. Directional terms, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "side", etc., in the present application are merely referring to the directions of the attached drawings, and thus, directional terms are used for better, more clear explanation and understanding of the present application, rather than indicating or implying that the apparatus or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "coupled," and "disposed" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally connected, mechanically connected, directly connected, indirectly connected via an intermediate medium, or communicate between the interior of two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art. For example, the various connections in this embodiment are intended to include both direct and indirect connections, such as where two structural members are connected directly or through a third structural member or more other structural members. The connection also comprises two cases of integrated connection and non-integrated connection, wherein the integrated connection means that two parts are integrally formed and connected, and the non-integrated connection means that A and B are non-integrally formed and connected.

Referring to fig. 8 again, in the present embodiment, the first supporting member 31 further rotates relative to the connecting member 23 of the first rotating mechanism 20, and the second supporting member 31 'further rotates relative to the connecting member 23 of the second rotating mechanism 20', so that the first supporting member 31 and the second supporting member 31 'are located at the same side of the bracket 10 when the first supporting member 31 and the second supporting member 31' are in a completely mutually folded state, and the distance between the first supporting member 31 and the second supporting member 31 'at the end far from the bracket 10 is smaller than or equal to the distance between the first supporting member 31 and the second supporting member 31' at the end near to the bracket 10.

When the folding device 1 moves, the first supporting member 31 and the second supporting member 31 'can rotate relative to the first driven member 71 and the second driven member 71', and the first supporting member 31 and the second supporting member 31 'can also rotate relative to the connecting member 23 of the first rotating mechanism 20, specifically, the end of the first supporting member 31 near the bracket 10 can be rotated towards the end near the connecting member 23, so that when the folding device 1 is in the folded state, the distance between the ends of the first supporting member 31 and the second supporting member 31' far from the bracket 10 is smaller than the distance between the ends of the first supporting member 31 and the second supporting member 31 'near the bracket 10, that is, a gap with a small top and a large bottom is formed between the first supporting member 31 and the second supporting member 31'. In other words, the accommodating space 11 defined by the first supporting member 31, the second supporting member 31' and the bracket 10 is in a shape of a small top and a large bottom, i.e. the accommodating space 11 is in a shape of a drop, so that the cross-section of the screen is in a shape of a drop. As to how the structure of the folding device 1 is specifically designed so as to limit the movement locus of the first support member 31 to ultimately achieve the sectional shape of the accommodating space 11 in a drop shape, the present application will be described in detail below.

In other embodiments, the other ends of the first follower 71 and the second follower 71' may not drive the first support 31 and the second support 31' to rotate relative to the connecting member 23, and when the folding device 1 is in the folded state, the first support 31 and the second support 31' and the bracket 10 may enclose a U-shaped accommodating space 11. In other words, when the first supporting member 31 and the second supporting member 31' are in the completely folded state, the first supporting member 31 and the second supporting member 31' are located on the same side of the frame 10, and the distance between the ends of the first supporting member 31 and the second supporting member 31' away from the frame 10 is equal to the distance between the ends of the first supporting member 31 and the second supporting member 31' near the frame 10, i.e. a gap with equal width is formed between the first supporting member 31 and the second supporting member 31 '.

Next, the present application will focus on the specific structure and positional relationship among the first rotating mechanism 20, the first supporting member 31, and the first driven member. Referring to fig. 4 and 8 again, in the present embodiment, the folding device 1 has an unfolded state when the first supporting member 31 and the second supporting member 31 'are completely unfolded from each other, and a folded state when the first supporting member 31 and the second supporting member 31' are completely folded from each other, and the stand 10 has a top surface 101 for approaching the screen. Wherein a distance between the third rotation axis C3 between the first support 31 and the first follower 71 and the fourth rotation axis C4 between the first support 31 and the connecting piece 23 of the first rotating mechanism 20 is a first distance in a direction parallel to the top surface 101 when the folding apparatus 1 is in the unfolded state. When the folding device 1 is in the folded state, the distance between the third rotation axis C3 and the fourth rotation axis C4 is a second distance in the direction perpendicular to the top surface 101, and the second distance is smaller than the first distance.

The present application has been described in detail above with respect to the unfolded state and folded state of the folding device 1, and the present embodiment is not described herein. Since the first support 31 is rotatably connected to an end of the first follower 71 remote from the bracket 10, a third rotation axis C3 is provided between the first support 31 and the first follower 71. Similarly, the first supporting member 31 is also rotatably connected to the connecting member 23 of the first rotating mechanism 20, so that a fourth rotation axis C4 is provided between the first supporting member 31 and the connecting member 23 of the first rotating mechanism 20. When the folding device 1 is in the folded state from the unfolded state, the distance between the third rotation axis C3 and the fourth rotation axis C4 can be changed, so as to drive the first supporting member 31 to rotate relative to the connecting member 23 of the first rotating mechanism 20. Specifically, in the present embodiment, the distance between the third rotation axis C3 and the fourth rotation axis C4 in the direction parallel to the top surface 101, that is, in the horizontal direction in fig. 4, can be gradually reduced. Referring to fig. 4 and 8, when the folding device 1 is in the unfolded state, the distance between the third rotation axis C3 and the fourth rotation axis C4 in the direction parallel to the top surface 101 is a first distance L1, and when the folding device 1 is in the folded state, the distance between the third rotation axis C3 and the fourth rotation axis C4 in the direction perpendicular to the top surface 101 is a second distance L1 'and L1' is smaller than L1. When the distance between the two axes decreases, the first support 31 is driven to tilt and no longer parallel to the screen. But rotates in a direction approaching the link 23 of the first rotating mechanism 20, so that the first supporting member 31 can rotate with respect to the link 23 of the first rotating mechanism 20 to form the above-described configuration.

Similarly, when the folding device 1 is in the folded state to the unfolded state, the distance between the third rotation axis C3 and the fourth rotation axis C4 in the direction parallel to the top surface 101 gradually increases, so that the first supporting member 31 inclined to the screen can reversely rotate relative to the connecting member 23 of the first rotating mechanism 20 in the direction away from the connecting member 23 of the first rotating mechanism 20, and the screen gradually becomes parallel to the screen.

Alternatively, a change in the distance between the third rotation axis C3 and the fourth rotation axis C4 may be understood as the third rotation axis C3 being stationary and the fourth rotation axis C4 moving close to the third rotation axis C3. Or the fourth rotation axis line C4 is fixed, and the third rotation axis line C3 moves close to the fourth rotation axis line C4. Or the third rotation axis line C3 and the fourth rotation axis line C4 relatively move. In this embodiment, only the fourth rotation axis C4 is fixed, and the movement of the third rotation axis C3 near the fourth rotation axis C4 is schematically illustrated.

As for the positional relationship between the third rotation axis line C3 and the fourth rotation axis line C4 and the first rotation axis line C1 and the second rotation axis line C2, the present application is not limited thereto.

Referring to fig. 4 and 8 again, in the present embodiment, the folding device 1 has an unfolded state when the first supporting member 31 and the second supporting member 31 'are completely unfolded from each other, and a folded state when the first supporting member 31 and the second supporting member 31' are completely folded from each other, and the stand 10 has a top surface 101 for approaching the screen. Wherein, when the folding device 1 is in the unfolded state, the distance between the third rotation axis C3 between the first support member 31 and the first follower 71 and the fourth rotation axis C4 between the first support member 31 and the connecting member 23 of the first rotating mechanism 20 is the third distance in the direction perpendicular to the top surface 101. When the folding device 1 is in the folded state, the distance between the third rotation axis C3 and the fourth rotation axis C4 is a fourth distance in a direction parallel to the top surface 101, and the fourth distance is greater than the third distance.

In the present embodiment, the distance between the third rotation axis C3 and the fourth rotation axis C4 may be changed in the direction perpendicular to the top surface 101, so as to drive the first supporting member 31 to rotate relative to the connecting member 23 of the first rotating mechanism 20. Specifically, the distance between the third rotation axis C3 and the fourth rotation axis C4 in the direction perpendicular to the top surface 101, i.e., in the vertical direction in fig. 4, can be gradually increased. Referring to fig. 4 and 8, when the folding device 1 is in the unfolded state, the distance between the third rotation axis C3 and the fourth rotation axis C4 in the direction perpendicular to the top surface 101 is the third distance L2, and when the folding device 1 is in the folded state, the distance between the third rotation axis C3 and the fourth rotation axis C4 in the direction parallel to the top surface 101 is the fourth distance L2 'and L2' is greater than L2. When the distance between the two axes increases, the first supporting member 31 is driven to incline and is no longer parallel to the screen. But rotates in a direction approaching the link 23 of the first rotating mechanism 20, so that the first supporting member 31 can rotate with respect to the link 23 of the first rotating mechanism 20 to form the above-described configuration.

Similarly, when the folding device 1 is in the folded state to the unfolded state, the distance between the third rotation axis C3 and the fourth rotation axis C4 in the direction perpendicular to the top surface 101 is gradually reduced, so that the first supporting member 31 inclined to the screen can reversely rotate relative to the connecting member 23 of the first rotating mechanism 20 in the direction away from the connecting member 23 of the first rotating mechanism 20, and the screen is gradually parallel to the screen.

Alternatively, a change in the distance between the third rotation axis C3 and the fourth rotation axis C4 in the direction perpendicular to the top surface 101 may be understood as the third rotation axis C3 being stationary and the fourth rotation axis C4 moving away from the third rotation axis C3. Or the fourth rotation axis line C4 is fixed, and the third rotation axis line C3 moves away from the fourth rotation axis line C4. Or the third rotation axis line C3 and the fourth rotation axis line C4 move in opposite directions. In this embodiment, only the fourth rotation axis C4 is fixed, and the movement of the third rotation axis C3 away from the fourth rotation axis C4 is schematically illustrated.

In addition, in some embodiments both embodiments may exist at the same time, i.e., the movement of the third rotation axis C3 and the fourth rotation axis C4 may be satisfied at the same time in a direction parallel to the top surface 101 and in a direction perpendicular to the top surface 101.

Referring to fig. 9-10 together, fig. 9 is a schematic diagram illustrating the cooperation between the first support member and the connecting member of the first rotating mechanism according to an embodiment of the application. Fig. 10 is an exploded view of the first support member and the connecting member of the first rotating mechanism shown in fig. 9. In this embodiment, the first supporting member 31 includes a supporting portion 313 and a guiding portion 315, the supporting portion 313 has a supporting surface 310 for supporting the screen, the guiding portion 315 is fixedly disposed on a side surface facing away from the supporting surface 310, the guiding portion 315 is cooperatively connected with the first circular arc groove 3150 through the first circular arc rail 3151 between the connecting member 23 of the first rotating mechanism 20, the first circular arc rail 3151 is disposed on one of the connecting members 23 of the guiding portion 315 and the first rotating mechanism 20, and the first circular arc groove 3150 is disposed on the other of the connecting member 23 of the guiding portion 315 and the first rotating mechanism 20.

The support portion 313 in the first support 31 serves to support the screen, and thus the support portion 313 has a support surface 310 for supporting the screen. The guiding portion 315 is disposed on one side of the supporting portion 313, and the guiding portion 315 is configured to be rotatably connected to the connecting member 23 of the first rotating mechanism 20. Specifically, in the present embodiment, the supporting portion 313 has a rectangular plate shape, the supporting portion 313 includes, in addition to the supporting surface 310 and the non-supporting surface 311 opposite to the supporting surface 310, the supporting portion 313 further includes a peripheral surface 312 disposed between the supporting surface 310 and the non-supporting surface 311, and the guiding portion 315 is disposed on the non-supporting surface 311, that is, the guiding portion 315 is closer to the connecting member 23 of the first rotating mechanism 20 than the supporting portion 313.

The support portion 313 and the guide portion 315 may be integrally formed or may be separately formed. When the supporting portion 313 and the guiding portion 315 are integrally formed, the supporting portion 313 and the guiding portion 315 are manufactured through one process, but for convenience of understanding, the supporting portion 313 and the guiding portion 315 are named differently. When the supporting portion 313 and the guide portion 315 are of a separate type structure, the supporting portion 313 and the guide portion 315 are separately prepared and then coupled together by various methods. The present embodiment is schematically described with respect to a structure in which the support portion 313 and the guide portion 315 are integrated.

The above-mentioned rotational connection between the first support member 31 and the connecting member 23 of the first rotating mechanism 20 is that the guiding portion 315 is rotationally connected to the connecting member 23 of the first rotating mechanism 20. Specifically, the guide portion 315 is cooperatively connected to the first circular arc rail 3151 through the first circular arc groove 3150 between the guide portion 315 and the connecting member 23 of the first rotating mechanism 20. The first circular arc groove 3150 is provided on one of the guide portion 315 and the connector 23 of the first rotating mechanism 20, and the first circular arc rail 3151 is provided on the other of the guide portion 315 and the connector 23 of the first rotating mechanism 20. For example, when the first circular arc groove 3150 is provided on the guide portion 315, the first circular arc rail 3151 is provided on the connector 23 of the first rotating mechanism 20, and when the first circular arc groove 3150 is provided on the connector 23 of the first rotating mechanism 20, the first circular arc rail 3151 is provided on the guide portion 315. In the present embodiment, only the first circular arc groove 3150 is provided in the guide portion 315, and the first circular arc rail 3151 is provided in the link 23 of the first rotating mechanism 20. Specifically, the guide portion 315 is provided with a circular arc groove body near a side surface of the connecting member 23 of the first rotating mechanism 20, the connecting member 23 of the first rotating mechanism 20 is correspondingly provided with a circular arc block inserted in the first circular arc groove 3150, the first circular arc rail 3151 may be disposed in the first circular arc groove 3150 and abuts against an inner wall of the first circular arc groove 3150, an axial line of the first circular arc groove 3150 is collinear with an axial line of the first circular arc rail 3151, and an axial line of the first circular arc groove 3150 is collinear with an axial line of a rotation axis between the supporting portion 313 and the connecting member 23 of the first rotating mechanism 20, so that the supporting portion 313 may rotate relative to the connecting member 23 of the first rotating mechanism 20. As for the dimensions and radian of the first circular arc grooves 3150 and the first circular arc rails 3151, they can be designed according to the required position of the fourth rotation axis C4. In addition, the design manner of the arc groove and the arc cabinet can enable the position of the fourth rotation axis line C4 to be located in the guide portion 315 or located outside the guide portion 315, for example, the position of the fourth rotation axis line C4 can be better designed according to changing the radius and the central angle of the arc groove.

Of course, in other embodiments, the first circular arc groove 3150 may be provided on the connector 23 of the first rotating mechanism 20, and the first circular arc rail 3151 may be provided on the guide portion 315.

Optionally, the non-supporting surface 311 of the supporting portion 313 is provided with a guiding portion 315 at an end far from the bracket 10, and the guiding portion 315 is an arc-shaped block. Further alternatively, a first circular arc groove 3150 is formed in the guide portion 315 on a side facing the connecting member 23 of the first rotating mechanism 20, and opposite ends of the first circular arc groove 3150 penetrate through a side surface of the guide portion 315 near the support portion 313 and a side surface of the guide portion 315 far from the bracket 10.

Alternatively, in some embodiments, the non-supporting surface 311 of the supporting portion 313 is provided with guiding portions 315 at opposite ends of the connecting member 23 corresponding to the first rotating mechanism 20, and the surfaces of the two guiding portions 315 disposed face to face are provided with first circular arc grooves 3150, and the axes of the two first circular arc grooves 3150 are collinear. The first circular arc rails 3151 are respectively disposed on two opposite sides of the connecting member 23 of the first rotating mechanism 20, and the two first circular arc rails 3151 can be respectively inserted into the first circular arc grooves 3150 correspondingly.

It should be noted that, in this embodiment and the following description, only a half structure of the folding device 1 is schematically illustrated, in other words, only a right half structure of the folding device 1 is schematically illustrated, for example, only the first supporting member 31 located on the right side of the bracket 10 and the connecting member 23 of the first rotating mechanism 20 are schematically illustrated, and as for the connecting member 23 of the second supporting member 31 'located on the left side of the bracket 10 and the second rotating mechanism 20', the same understanding can be obtained as the connecting member 23 of the first supporting member 31 and the first rotating mechanism 20 in this embodiment, and the description of this embodiment is omitted herein.

Referring to fig. 11-12 together, fig. 11 is a schematic diagram illustrating the cooperation between the first supporting member and the first driven member according to an embodiment of the application. Fig. 12 is an exploded view of the first support and the first follower shown in fig. 11. In this embodiment, the first supporting member 31 includes a supporting portion 313 and a rotating portion 314, the supporting portion 313 has a supporting surface 310 for supporting the screen, the rotating portion 314 is fixedly disposed on a side surface facing away from the supporting surface 310, one end of the first driven member 71, which is far away from the bracket 10, is connected to the rotating portion 314 in a matching manner with a first rotating hole 3143 through a first rotating shaft 3142, the first rotating shaft 3142 is disposed on one of the first driven member 71 and the rotating portion 314, and the first rotating hole 3143 is disposed on the other one of the first driven member 71 and the rotating portion 314.

The first supporting member 31 may further include a supporting portion 313 and a rotating portion 314, and the supporting portion 313 is described in detail above, and the detailed description of this embodiment is omitted here. The rotating portion 314 is configured to be cooperatively connected with the first follower 71. Wherein the rotating portion 314 is disposed on the non-supporting surface 311 of the supporting portion 313. Alternatively, the rotating portion 314 and the guiding portion 315 are disposed on opposite sides of the connecting member 23 of the first rotating mechanism 20. That is, one side of the connecting piece 23 of the first rotating mechanism 20 is connected with the guiding portion 315 in a matching manner, and the other side is connected with the rotating portion 314 in a matching manner.

The support portion 313 and the rotation portion 314 may be integrally formed or may be separately formed. When the supporting portion 313 and the rotating portion 314 are formed as a single unit, the supporting portion 313 and the rotating portion 314 are manufactured through one process, but for convenience of understanding, the supporting portion 313 and the rotating portion 314 are named differently. When the supporting portion 313 and the rotating portion 314 are of a separate type structure, the supporting portion 313 and the rotating portion 314 are prepared separately and then coupled together by various methods. The present embodiment is schematically described with respect to a structure in which the support portion 313 and the rotation portion 314 are integrated.

Alternatively, the supporting portion 313, the guiding portion 315, and the rotating portion 314 may be all integrated, i.e. the supporting portion 313, the guiding portion 315, and the rotating portion 314 are all manufactured by one process. Or the three are all of a split structure, i.e., the supporting portion 313, the guide portion 315, and the rotating portion 314 are separately prepared and then combined together by various methods. Or part of the three parts are in an integrated structure, and the rest parts are in a split structure, namely, part of the components in the supporting part 313, the guiding part 315 and the rotating part 314 are prepared in one process, and the rest parts are prepared separately and then are combined together by various methods.

The above-mentioned rotational connection of the first supporting member 31 and the first driven member 71 is that the rotating portion 314 is rotationally connected with the first driven member 71. Specifically, in this embodiment, the rotating portion 314 and the first driven member 71 are cooperatively connected to the first rotating hole 3143 through the first rotating shaft 3142, in other words, the rotating portion 314 and the first driven member 71 are cooperatively connected to the first rotating hole 3143 through the first rotating shaft 3142, the axis of the first rotating shaft 3142 coincides with the axis of the first rotating hole 3143, and the axis of the first rotating shaft 3142 coincides with the third rotating axis C3 between the rotating portion 314 and the first driven member 71, so that the rotating portion 314 is rotationally connected to the first driven member 71. For example, the first rotation hole 3143 is provided on the first follower 71 when the first rotation shaft 3142 is provided on the rotation portion 314, or the first rotation hole 3143 is provided on the rotation portion 314 when the first rotation shaft 3142 is provided on the first follower 71. In the present embodiment, only the first rotation shaft 3142 is provided in the first follower 71, and the first rotation hole 3143 is provided in the rotation portion 314. Specifically, the first rotating shaft 3142 is protruding on at least one side of the first follower 71, the two rotating portions 314 are disposed on opposite sides of the first follower 71, and the two rotating portions 314 are each provided with a first rotating hole 3143, and the first rotating shaft 3142 is inserted into the first rotating hole 3143 so that the first rotating shaft 3142 can rotate in the first rotating hole 3143, thereby rotating the rotating portion 314 relative to the first follower 71.

Of course, in other embodiments, the first rotation shaft 3142 may be provided on two rotation portions 314, the first rotation holes 3143 are provided on opposite sides of the first follower 71, and the first rotation shaft 3142 is inserted into the first rotation holes 3143 so that the first rotation shaft 3142 can rotate in the first rotation holes 3143, thereby rotating the rotation portions 314 relative to the first follower 71.

It is noted that the first rotating hole 3143 mentioned in this embodiment may be a through hole or a blind hole. Wherein the through hole means that the first rotation hole 3143 penetrates through opposite side surfaces of the structural member at the same time, and the blind hole means that the first rotation hole 3143 penetrates through only one side surface of the structural member, so the blind hole may be also referred to as a slot.

Alternatively, in some embodiments, two rotating portions 314 provided on opposite sides of the first follower 71 are disposed axisymmetrically with respect to the first follower 71. In other embodiments, the two rotating portions 314 may be asymmetrically disposed.

The first rotation shaft 3142 may be fixedly connected to the rotation portion 314 or the first follower 71, or may be rotatably connected to the rotation portion. For example, in the present embodiment, the first rotating shaft 3142 is disposed on the first follower 71, and the first rotating shaft 3142 may be fixedly disposed on the first follower 71 so that the first rotating shaft 3142 and the first follower 71 remain relatively stationary, and the first rotating shaft 3142 is inserted into the first rotating hole 3143 and rotates relative to the first rotating hole 3143, thereby rotating the rotating portion 314 relative to the first follower 71. Alternatively, the first rotating shaft 3142 may be rotatably connected to the first driven member 71, so that the first rotating shaft 3142 and the first driven member 71 rotate relatively, and thus the first rotating shaft 3142 may still rotate in the first rotating hole 3143, so that the rotating portion 314 rotates relatively to the first driven member 71. For example, the first follower 71 has a first accommodating hole 7100 penetrating through opposite sides thereof, the first rotating shaft 3142 penetrates through the first accommodating hole 7100, and opposite ends of the first rotating shaft 3142 protrude from opposite sides of the rotating portion 314.

Alternatively, when the first rotating shaft 3142 is fixed on the first driven member 71, the first rotating shaft 3142 and the first driven member 71 may be in a unitary structure or a split structure. When the first rotation shaft 3142 and the first follower 71 are integrally formed, the first rotation shaft 3142 and the first follower 71 are manufactured through one process, but for convenience of understanding, the first rotation shaft 3142 and the first follower 71 are designated by different names. When the first rotation shaft 3142 and the first follower 71 are of a split structure, the first rotation shaft 3142 and the first follower 71 are prepared separately and then are inserted together by various methods, for example. In the present embodiment, only the first rotation shaft 3142 and the first follower 71 are schematically described as separate structures.

Referring to fig. 13, fig. 13 is a schematic cross-sectional view of a bracket, a first driven member, a first rotating member of a first rotating mechanism, and a second rotating member according to an embodiment of the application. In the present embodiment, the stand 10 has a bottom surface 102 for facing away from the screen, and the third rotation axis C33 between the first follower 71 and the stand 10 is farther from the bottom surface 102 than the first rotation axis C11 between the first rotation member 21 of the first rotation mechanism 20 and the stand 10, and the second rotation axis C22 between the second rotation member 22 of the first rotation mechanism 20 and the stand 10.

From the above, it can be seen that the bracket 10 has a top surface 101 and a bottom surface 102, wherein the top surface 101 is the upper surface of the bracket 10 in fig. 13, the bottom surface 102 is the lower surface of the bracket 10 in fig. 13, and the bottom surface 102 is farther from the screen than the top surface 101. It has been mentioned above that the first supporting member 31 can be rotated with respect to the connecting member 23 of the first rotating mechanism 20 by a change in the distance between the third rotation axis C3 and the fourth rotation axis C4 to form a water drop shape. Wherein the change of the position of the third rotation axis C3 is realized by the rotation of the first follower 71 relative to the bracket 10, the change of the position of the fourth rotation axis C4 is realized by the rotation of the connecting piece 23 of the first rotation mechanism 20 relative to the bracket 10, and the rotation of the connecting piece 23 of the first rotation mechanism 20 is restricted by the first rotation piece 21 of the first rotation mechanism 20 and the second rotation piece 22 of the first rotation mechanism 20. The present embodiment thus achieves the above-described movement by designing the positions of the first follower 71, the first rotating member 21 of the first rotating mechanism 20, and the second rotating member 22 of the first rotating mechanism 20, which form the rotation axes with the bracket 10, respectively.

Specifically, the first rotating member 21 of the first rotating mechanism 20 is rotatable relative to the bracket 10, so that the first rotating member 21 of the first rotating mechanism 20 has a first rotation axis C11 between the bracket 10 and the first rotating member 21. The second rotating member 22 of the first rotating mechanism 20 is rotatable relative to the bracket 10, so that a second rotation axis C22 is provided between the second rotating member 22 of the first rotating mechanism 20 and the bracket 10. The first follower 71 is also rotatable relative to the carrier 10, so that there is a third axis of rotation C33 between the first follower 71 and the carrier 10. The third rotation axis C33 is further away from the bottom surface 102 than the first rotation axis C11 and the second rotation axis C22. In other words, the third rotation axis C33 is more upward than the first rotation axis C11 and the second rotation axis C22 in the direction perpendicular to the bottom surface 102, i.e., in the vertical direction in fig. 13. With the above design, when the first rotating member 21 of the first rotating mechanism 20, the second rotating member 22 of the first rotating mechanism 20, and the first driven member 71 rotate 90 ° relative to the bracket 10, the third rotation axis C3 and the fourth rotation axis C4 implement the movement track mentioned in the above embodiment, that is, the distance between the third rotation axis C3 between the first supporting member 31 and the first driven member 71 and the fourth rotation axis C4 between the first supporting member 31 and the connecting member 23 of the first rotating mechanism 20 gradually decreases in the direction parallel to the supporting surface 310. In the direction perpendicular to the support surface 310, the distance between the third rotation axis C3 between the first support 31 and the first follower 71 and the fourth rotation axis C4 between the first support 31 and the link 23 of the first rotation mechanism 20 gradually increases. And thus drives the first supporting member 31 to rotate with respect to the link 23 of the first rotating mechanism 20 to form a drop shape. As for the positional relationship between the first rotation axis C11 and the second rotation axis C22, the present embodiment is not limited here.

Referring to fig. 13-14, fig. 14 is a top view of the folding device shown in fig. 1. In the present embodiment, the first supporting member 31 and the second supporting member 31' are disposed in an axisymmetric manner with respect to the centerline of the bracket 10, and the third rotation axis C33 is closer to the centerline than the first rotation axis C11 and the second rotation axis C22.

The bracket 10 has a center line (shown as C in fig. 13-14) along the arrangement direction of the two second side surfaces 104, the first supporting member 31 and the second supporting member 31' are disposed in axisymmetric relation to the bracket 10, and even the first rotating member 21 of the first rotating mechanism 20, the second rotating member 22 of the first rotating mechanism 20, and the connecting member 23 of the first rotating mechanism 20 of the two rotating mechanisms 20 may be disposed in axisymmetric relation to the center line. As for the first follower 71 and the second follower 71', they may be symmetrically designed with respect to the center line or asymmetrically designed with respect to the center line. In addition to having a certain positional relationship of the three rotation axes in the vertical direction, the present embodiment can also have a certain positional relationship of the three rotation axes in the horizontal direction. Specifically, the third rotation axis C33 is closer to the center line than the first rotation axis C11 and the second rotation axis C22. In other words, in the horizontal direction in fig. 13, the third rotation axis C33 is further inward, and the first rotation axis C11 and the second rotation axis C22 are further outward. This allows the first follower 71 to be larger in size to be fitted to the bracket 10, thereby allowing the first follower 71 to be better rotated with the bracket 10, preventing the first follower 71 from being separated from the bracket 10, and improving the stability of the first follower 71 and the bracket 10. And the third rotation axis C33 is closer to the center line than the first rotation axis C11 and the second rotation axis C22, so that the first rotation member 21 of the first rotation mechanism 20, the second rotation member 22 of the first rotation mechanism 20, and the first driven member 71 are rotated 90 ° relative to the bracket 10, and the third rotation axis C3 and the fourth rotation axis C4 implement the movement track mentioned in the above embodiment, so as to drive the first supporting member 31 to rotate relative to the connecting member 23 of the first rotation mechanism 20 to form a droplet shape.

Referring to fig. 14 again, in the present embodiment, the first rotation axis C11 between the first rotation member 21 of the first rotation mechanism 20 and the bracket 10 is parallel to or coincides with the second rotation axis C22 between the second rotation member 22 of the first rotation mechanism 20 and the bracket 10.

Firstly, the two rotation axes are parallel to each other, so that the connecting piece 23 of the first rotation mechanism 20 can smoothly rotate, and the connecting piece 23 of the first rotation mechanism 20 drives the first rotation piece 21 of the first rotation mechanism 20 and the second rotation piece 22 of the first rotation mechanism 20 to rotate relative to the bracket 10 during rotation, so that the problems of locking and the like during rotation are prevented. In addition, the folding device 1 can be put in a stationary state, for example, an unfolded state or a folded state, or in any state between the unfolded state and the folded state, the first rotating member 21 of the first rotating mechanism 20 and the second rotating member 22 of the first rotating mechanism 20 are put in a stationary state, the bracket 10 is prevented from rotating relative to the first rotating member 21 of the first rotating mechanism 20 and the second rotating member 22 of the first rotating mechanism 20, the stability of the folding device 1 is improved, and the functions such as hovering and self-locking are realized when the folding device 1 is put in a certain state.

Alternatively, in some embodiments, the first axis of rotation C11 is further inward than the second axis of rotation C22 in the horizontal direction, i.e., the first axis of rotation C11 is closer to the midline of the carrier 10 than the second axis of rotation C22. Or the first axis of rotation C11 is further outward than the second axis of rotation C22, i.e. the first axis of rotation C11 is further from the midline of the carrier 10 than the second axis of rotation C22. In other embodiments, the first rotation axis C11 is closer to the bottom surface 102 of the bracket 10 than the second rotation axis C22 in the vertical direction, i.e., the first rotation axis C11 is lower than the second rotation axis C22. Or the first axis of rotation C11 is farther from the bottom surface 102 of the bracket 10 than the second axis of rotation C22, i.e., the first axis of rotation C11 is further up than the second axis of rotation C22. The present embodiment is schematically illustrated with the first rotation axis C11 being further left than the second rotation axis C22. Of course, in other embodiments, the first axis of rotation C11 and the second axis of rotation C22 may also be arranged in a superimposed manner without affecting the movement of the folding device 1.

In addition, regarding the positions of the first rotation axis C11, the second rotation axis C22, and the third rotation axis C33 and the bracket 10, three rotation axes may be located inside the bracket 10, or three rotation axes may be located outside the bracket 10, or three rotation axis portions.

Referring to fig. 15-17, fig. 15 is a schematic diagram illustrating the cooperation of the first rotating member, the second rotating member, the first driven member, and a part of the bracket of the first rotating mechanism according to an embodiment of the application. Fig. 16 is an exploded view of the first rotating member, the second rotating member, the first driven member and the bracket of the first rotating mechanism according to an embodiment of the present application. Fig. 17 is an exploded view of the bracket of fig. 16 from another perspective. In the present embodiment, one end of the first rotating member 21 of the first rotating mechanism 20, which is close to the bracket 10, is cooperatively connected with the bracket 10 through the second circular arc rail 2100 and the second circular arc groove 2101, the second circular arc rail 2100 is provided on one of the first rotating member 21 of the first rotating mechanism 20 and the bracket 10, and the second circular arc groove 2101 is provided on the other of the first rotating member 21 of the first rotating mechanism 20 and the bracket 10. The end, close to the bracket 10, of the second rotating member 22 of the first rotating mechanism 20 is in fit connection with the bracket 10 through a third circular arc rail 2200, the third circular arc rail 2200 is arranged on one of the second rotating member 22 of the first rotating mechanism 20 and the bracket 10, and the third circular arc rail 2201 is arranged on the other of the second rotating member 22 of the first rotating mechanism 20 and the bracket 10.

In this embodiment, the rotating member and the bracket 10 may be rotatably connected by a mating manner of the circular arc rail and the circular arc groove. Specifically, the first rotating member 21 of the first rotating mechanism 20 is cooperatively connected with the second circular arc rail 2100 through the second circular arc groove 2101 and the bracket 10. For example, when the second circular arc rail 2100 is provided on the first rotating member 21 of the first rotating mechanism 20, the second circular arc groove 2101 is provided on the bracket 10, and when the second circular arc groove 2101 is provided on the first rotating member 21 of the first rotating mechanism 20, the second circular arc rail 2100 is provided on the bracket 10. In the present embodiment, only the second arcuate rail 2100 is provided in the first rotor 21 of the first rotating mechanism 20, and the second arcuate groove 2101 is provided in the bracket 10. Specifically, the bracket 10 is provided with a circular arc-shaped slot body, one end, close to the bracket 10, of the first rotating member 21 of the first rotating mechanism 20 is provided with a circular arc-shaped block body corresponding to the shape of the circular arc slot body, the second circular arc rail 2100 can be arranged in the second circular arc slot 2101 and is abutted against the inner wall of the second circular arc slot 2101, the axial line of the second circular arc slot 2101 is collinear with the axial line of the second circular arc rail 2100, and the axial line of the second circular arc slot 2101 is collinear with a first rotating axis C11 between the first rotating member 21 of the first rotating mechanism 20 and the bracket 10, so that the first rotating member 21 of the first rotating mechanism 20 can rotate relative to the bracket 10.

As for the dimensions and radians of the second circular arc grooves 2101 and the second circular arc rail 2100, they can be designed according to the desired position of the first rotation axis C11. In addition, the design manner of the arc groove and the arc cabinet can enable the position of the first rotation axis C11 to be located in the support 10 or located outside the support 10, for example, the position of the first rotation axis C11 can be better designed according to the radius and the central angle of the arc groove.

Of course, in other embodiments, the second circular arc groove 2101 may be provided on the first rotating member 21 of the first rotating mechanism 20, and the second circular arc rail 2100 may be provided on the bracket 10.

Similarly, the second rotating member 22 of the first rotating mechanism 20 is cooperatively connected with the third circular arc rail 2200 through the third circular arc slot 2201 and the bracket 10. The third circular arc groove 2201 is provided on the bracket 10 when the third circular arc rail 2200 is provided on the second rotating member 22 of the first rotating mechanism 20, and the third circular arc rail 2200 is provided on the bracket 10 when the third circular arc groove 2201 is provided on the second rotating member 22 of the first rotating mechanism 20. In the present embodiment, only the third arcuate rail 2200 is provided on the second rotating member 22 of the first rotating mechanism 20, and the third arcuate groove 2201 is provided on the bracket 10. Specifically, the bracket 10 is provided with a circular arc-shaped slot body, one end, close to the bracket 10, of the second rotating member 22 of the first rotating mechanism 20 is provided with a circular arc-shaped block body corresponding to the shape of the circular arc slot body, the third circular arc rail 2200 can be arranged in the third circular arc slot 2201 and is abutted against the inner wall of the third circular arc slot 2201, the axial line of the third circular arc slot 2201 is collinear with the axial line of the third circular arc rail 2200, and the axial line of the third circular arc slot 2201 is collinear with the second rotating axis C22 between the second rotating member 22 of the first rotating mechanism 20 and the bracket 10, so that the second rotating member 22 of the first rotating mechanism 20 can rotate relative to the bracket 10.

As for the dimensions and radians of the third arcuate slot 2201 and the third arcuate rail 2200, they can be designed according to the desired position of the second rotation axis C22. In addition, the design manner of the arc groove and the arc cabinet can enable the position of the second rotation axis C22 to be located in the support 10 or outside the support 10, for example, the position of the second rotation axis C22 can be designed better according to the radius and the central angle of the arc groove.

Of course, in other embodiments, the third arcuate slot 2201 may be provided on the second rotating member 22 of the first rotating mechanism 20, and the third arcuate rail 2200 may be provided on the bracket 10.

Referring to fig. 15-16 again, in the present embodiment, one end of the first follower 71, which is close to the bracket 10, is cooperatively connected with the bracket 10 through a fourth arc rail 7101 and a fourth arc groove 7102, the fourth arc rail 7101 is disposed on one of the first follower 71 and the bracket 10, and the fourth arc groove 7102 is disposed on the other of the first follower 71 and the bracket 10.

As for the first follower 71 and the bracket 10, the rotary connection can be realized by the cooperation of the circular arc groove and the circular arc rail. Specifically, the first follower 71 is cooperatively connected with the fourth circular arc rail 7101 through the fourth circular arc groove 7102 and the bracket 10. The fourth arc groove 7102 is provided on the bracket 10 when the fourth arc rail 7101 is provided on the first follower 71, and the fourth arc rail 7101 is provided on the bracket 10 when the fourth arc groove 7102 is provided on the first follower 71. In the present embodiment, only the fourth arcuate groove 7102 provided in the first follower 71 in the fourth arcuate rail 7101 is schematically described as being provided in the bracket 10. Specifically, the bracket 10 is provided with a circular arc groove body, one end of the first follower 71, which is close to the bracket 10, is provided with a circular arc block corresponding to the shape of the circular arc groove body, the fourth circular arc rail 7101 can be arranged in the fourth circular arc groove 7102 and is abutted against the inner wall of the fourth circular arc groove 7102, the axial lead of the fourth circular arc groove 7102 is collinear with the axial lead of the fourth circular arc rail 7101, and the axial lead of the fourth circular arc groove 7102 is collinear with the third rotation axis C33 between the first follower 71 and the bracket 10, so that the first follower 71 can rotate relative to the bracket 10.

As for the dimensions and radians of the fourth arc groove 7102 and the fourth arc rail 7101, they can be designed according to the desired position of the third rotation axis C33. In addition, the design manner of the arc groove and the arc cabinet can enable the position of the third rotation axis C33 to be located in the support 10 or outside the support 10, for example, the position of the third rotation axis C33 can be better designed according to the radius and the central angle of the arc groove.

Of course, in other embodiments, the fourth circular arc groove 7102 may be provided on the first follower 71, and the fourth circular arc rail 7101 may be provided on the bracket 10.

In addition, the position relation of the three rotation axes can be realized through the shape design of each arc groove and the arc rail. For example, in some embodiments, the curvature of the third circular arc groove 2201 may be flatter, or the central angle may be larger, than the curvatures of the first circular arc groove 3150 and the second circular arc groove 2101, so that the third rotation axis C33 is located above, and the third rotation axis C3 and the fourth rotation axis C4 implement the motion track mentioned in the foregoing embodiments, so as to drive the first support member 31 to rotate relative to the connecting member 23 of the first rotating mechanism 20, thereby forming a drop shape.

Further, since the third arcuate groove 2201 and the third arcuate rail 2200 are designed to be more gentle in this embodiment, it can be understood that they are narrower, and thus the area of contact between the first follower 71 and the bracket 10 is smaller. Based on this, in some embodiments, the dimensions of the third circular arc groove 2201 and the third circular arc rail 2200 in the horizontal direction are increased even if the third rotation axis C33 is further inward, thereby increasing the contact area of the first follower 71 with the bracket 10, improving the structural stability of the first follower 71 with the bracket 10, and preventing the first follower 71 from being separated from the bracket 10.

Referring to fig. 15 again, in the present embodiment, the first supporting member 31 and the second supporting member 31 'are disposed in an axisymmetric manner with respect to the center line of the bracket 10, the end of the first rotating member 21 of the first rotating mechanism 20, which is close to the bracket 10, is disposed in an axisymmetric manner with respect to the center line of the first rotating member 21 of the second rotating mechanism 20', the end of the second rotating member 22 of the first rotating mechanism 20, which is close to the bracket 10, is disposed in an axisymmetric manner with respect to the center line of the second rotating member 22 of the second rotating mechanism 20', and the end of the first follower 71, which is close to the bracket 10, is disposed in an interlaced manner with respect to the center line of the end of the second follower 71', which is close to the bracket 10.

It has been mentioned that the first supporting member 31 and the second supporting member 31', the first rotating member 21 of the first rotating mechanism 20 and the first rotating member 21 of the second rotating mechanism 20', the second rotating member 22 of the first rotating mechanism 20 and the second rotating member 22 of the second rotating mechanism 20', and even the connecting member 23 of the first rotating mechanism 20 and the connecting member 23 of the second rotating mechanism 20' may be disposed in an axisymmetric manner with respect to the center line of the bracket 10. As for the first follower 71 and the second follower 71', the above-mentioned can increase the size of the third circular arc rail 2200 in the horizontal direction, that is, increase the size of the first follower 71, so that the first follower 71 and the second follower 71' can be staggered near the end of the bracket 10 in this embodiment. Wherein staggered means that the first follower 71 and the second follower 71 'are not axisymmetrically arranged along the center line, but are layered in the direction of the center line, and the ends of the first follower 71 and the second follower 71' at least partially overlap in the direction of the center line. This allows a better design of the larger-sized first follower 71 to achieve the above-described movement track.

Referring to fig. 18, fig. 18 is a front view of a bracket, a first rotating member and a second rotating member of a first rotating mechanism according to an embodiment of the application. In the present embodiment, the first rotation axis C1 is far away from the bracket 10 compared to the second rotation axis C2.

The above has mentioned that the first rotation axis C1 between the first rotation member 21 of the first rotation mechanism 20 and the connection member 23 of the first rotation mechanism 20 may be parallel to the second rotation axis C2 between the second rotation member 22 of the first rotation mechanism 20 and the connection member 23 of the first rotation mechanism 20, thereby preventing the rotation of the bracket 10 relative to the first rotation member 21 of the first rotation mechanism 20 and the second rotation member 22 of the first rotation mechanism 20 and ensuring the stability of the bracket 10. The present application also provides different embodiments to make the first rotational axis C1 parallel to the second rotational axis C2. Specifically, the present embodiment can make the first rotation axis C1 far from the bracket 10 than the second rotation axis C2, in other words, in the horizontal direction in fig. 18, the first rotation axis C1 is further outward and the second rotation axis C2 is further inward so as to realize that the first rotation axis C1 is parallel to the second rotation axis C2. In other embodiments, the first axis of rotation C1 may be disposed closer to the bracket 10 than the second axis of rotation C2.

Referring to fig. 18 again, in the present embodiment, the first supporting member 31 has a supporting surface 310, and the first rotation axis C1 is closer to the supporting surface 310 than the second rotation axis C2.

In addition to the first rotation axis C1 being horizontally disposed, the present embodiment may also place the first rotation axis C1 closer to the support surface 310 than the second rotation axis C2. In other words, in the vertical direction in fig. 18, the first rotation axis C1 is further up and the second rotation axis C2 is further down, so that the distance between the first rotation axis C1 and the second rotation axis C2 is further increased, and when the distance between the two axes is increased, the stability of the connecting piece 23 of the first rotation mechanism 20 is further improved, and the connecting piece 23 of the first rotation mechanism 20 is prevented from rotating relative to the first rotation piece 21 of the first rotation mechanism 20 and the second rotation piece 22 of the first rotation mechanism 20. The first rotating axis C1 is arranged close to the upper right, and the second rotating axis C2 is arranged close to the lower left, so that the size of the folding device 1 can be reduced on the premise of the same distance between the two axes, and the miniaturization of the folding device 1 is further realized.

In addition, regarding the first follower 71 located on the same side of the bracket 10, the first rotator 21 of the first rotating mechanism 20, and the second rotator 22 of the first rotating mechanism 20 may be stacked along the center line of the bracket 10, and the positional relationship between the first rotator 21 of the first rotating mechanism 20 and the second rotator 22 of the first rotating mechanism 20, for example, where the first follower 71, the first rotator 21 of the first rotating mechanism 20, and the second rotator 22 of the first rotating mechanism 20 are specifically located on the bracket 10, or which of the first rotator 21 of the first rotating mechanism 20 and the second rotator 22 of the first rotating mechanism 20 is closer to the first follower 71 is not limited herein. The present embodiment is schematically illustrated with only the first rotation member 21 of the first rotation mechanism 20 being separated from the first follower 71 compared to the second rotation member 22 of the first rotation mechanism 20.

Referring to fig. 19-20 together, fig. 19 is a schematic diagram illustrating the cooperation of the first rotating member, the second rotating member, and the connecting member of the first rotating mechanism according to an embodiment of the application. Fig. 20 is an exploded view of the first rotating member, the second rotating member, and the connecting member of the first rotating mechanism shown in fig. 19. In the present embodiment, the end of the first rotating member 21 of the first rotating mechanism 20 away from the bracket 10 is cooperatively connected to the connecting member 23 of the first rotating mechanism 20 through the second rotating shaft 2110, the second rotating shaft 2110 is provided on one of the first rotating member 21 of the first rotating mechanism 20 and the connecting member 23 of the first rotating mechanism 20, and the second rotating shaft 2111 is provided on the other of the first rotating member 21 of the first rotating mechanism 20 and the connecting member 23 of the first rotating mechanism 20. The end of the second rotating member 22 of the first rotating mechanism 20 far from the bracket 10 is connected with the connecting member 23 of the first rotating mechanism 20 in a matched manner through a third rotating shaft 2210, the third rotating shaft 2210 is arranged on one of the second rotating member 22 of the first rotating mechanism 20 and the connecting member 23 of the first rotating mechanism 20, and the third rotating shaft 2211 is arranged on the other of the second rotating member 22 of the first rotating mechanism 20 and the connecting member 23 of the first rotating mechanism 20.

One end of the first rotating member 21 of the first rotating mechanism 20, which is cooperatively connected with the second rotating member 22 of the first rotating mechanism 20 and the connecting member 23 of the first rotating mechanism 20, may take the form of a cooperation of a rotating shaft and a rotating hole. Specifically, the first rotating member 21 of the first rotating mechanism 20 and the connecting member 23 of the first rotating mechanism 20 may be cooperatively connected with the second rotating hole 2111 through the second rotating shaft 2110, the axis line of the second rotating shaft 2110 coincides with the axis line of the second rotating hole 2111, and the axis line of the second rotating shaft 2110 coincides with the first rotating axis line C1 between the first rotating member 21 of the first rotating mechanism 20 and the connecting member 23 of the first rotating mechanism 20, so as to realize that the first rotating member 21 of the first rotating mechanism 20 is rotationally connected with the connecting member 23 of the first rotating mechanism 20. For example, the second rotation hole 2111 is provided on the first rotation member 21 of the first rotation mechanism 20 when the second rotation shaft 2110 is provided on the connection member 23 of the first rotation mechanism 20, or the second rotation hole 2111 is provided on the connection member 23 of the first rotation mechanism 20 when the second rotation shaft 2110 is provided on the first rotation member 21 of the first rotation mechanism 20. In the present embodiment, only the coupling 23 in which the second rotation shaft 2110 is provided in the first rotation member 21 of the first rotation mechanism 20 and the second rotation hole 2111 is provided in the first rotation mechanism 20 is schematically described. Specifically, the second rotation shaft 2110 is convexly disposed on opposite sides of the first rotation member 21 of the first rotation mechanism 20, the second rotation hole 2111 is provided on the connection member 23 of the first rotation mechanism 20, and the second rotation shaft 2110 is inserted into the second rotation hole 2111 so that the second rotation shaft 2110 can rotate in the second rotation hole 2111, thereby rotating the first rotation member 21 of the first rotation mechanism 20 relative to the connection member 23 of the first rotation mechanism 20. Of course, in other embodiments, the second rotating shaft 2110 may be provided on the connecting member 23 of the first rotating mechanism 20, and the second rotating holes 2111 may be provided on opposite sides of the first rotating member 21 of the first rotating mechanism 20.

It is noted that the second rotating hole 2111 mentioned in this embodiment may be a through hole or a blind hole. Wherein the through hole refers to the second rotation hole 2111 penetrating through the opposite side surfaces of the structural member at the same time, and the blind hole refers to the second rotation hole 2111 penetrating through only one side surface of the structural member, so the blind hole may also be referred to as a slot.

The second rotation shaft 2110 may be fixedly connected to the connecting member 23 of the first rotation mechanism 20 or the first rotation member 21 of the first rotation mechanism 20, or may be rotatably connected. For example, in the present embodiment, the second rotation shaft 2110 is provided on the first rotation member 21 of the first rotation mechanism 20, the second rotation shaft 2110 may be fixedly provided on the first rotation member 21 of the first rotation mechanism 20 so that the second rotation shaft 2110 and the first rotation member 21 of the first rotation mechanism 20 remain relatively stationary, and the second rotation shaft 2110 is inserted into the second rotation hole 2111 and rotates relative to the second rotation hole 2111, thereby rotating the connection member 23 of the first rotation mechanism 20 relative to the first rotation member 21 of the first rotation mechanism 20. Alternatively, the second rotation shaft 2110 may be rotatably connected to the first rotating member 21 of the first rotating mechanism 20, so that the second rotation shaft 2110 and the first rotating member 21 of the first rotating mechanism 20 are kept rotating relatively, and thus the second rotation shaft 2110 may still rotate in the second rotation hole 2111, thereby rotating the connecting member 23 of the first rotating mechanism 20 relative to the first rotating member 21 of the first rotating mechanism 20. For example, the first rotating member 21 of the first rotating mechanism 20 has second receiving holes 2112 penetrating through opposite sides thereof, the second rotating shaft 2110 penetrates through the second receiving holes 2112, and opposite ends of the second rotating shaft 2110 protrude from opposite sides of the first rotating member 21 of the first rotating mechanism 20.

Alternatively, when the second rotation shaft 2110 is fixedly provided on the first rotation member 21 of the first rotation mechanism 20, the second rotation shaft 2110 and the first rotation member 21 of the first rotation mechanism 20 may be of a unitary structure or a split structure. When the second rotation shaft 2110 and the first rotation member 21 of the first rotation mechanism 20 are integrally formed, the second rotation shaft 2110 and the first rotation member 21 of the first rotation mechanism 20 are manufactured by one process, but for convenience of understanding, a different designation is made for the second rotation shaft 2110 and the first rotation member 21 of the first rotation mechanism 20 by a person. When the second rotation shaft 2110 and the first rotation member 21 of the first rotation mechanism 20 are of a split type structure, the second rotation shaft 2110 and the first rotation member 21 of the first rotation mechanism 20 are prepared separately and then are coupled together by various methods, for example. In the present embodiment, only the second rotation shaft 2110 and the first rotation element 21 of the first rotation mechanism 20 are schematically described as separate structures.

Similarly, the second rotating member 22 of the first rotating mechanism 20 and the connecting member 23 of the first rotating mechanism 20 may be cooperatively connected with the third rotating hole 2211 through the third rotating shaft 2210, the axis of the third rotating shaft 2210 coincides with the axis of the third rotating hole 2211, and the axis of the third rotating shaft 2210 coincides with the second rotating axis C2 between the second rotating member 22 of the first rotating mechanism 20 and the connecting member 23 of the first rotating mechanism 20, so as to realize that the second rotating member 22 of the first rotating mechanism 20 is rotationally connected with the connecting member 23 of the first rotating mechanism 20. For example, the third rotation hole 2211 is provided on the second rotation member 22 of the first rotation mechanism 20 when the third rotation shaft 2210 is provided on the connection member 23 of the first rotation mechanism 20, or the third rotation hole 2211 is provided on the connection member 23 of the first rotation mechanism 20 when the third rotation shaft 2210 is provided on the second rotation member 22 of the first rotation mechanism 20. In the present embodiment, only the connection 23 in which the third rotation hole 2211 is provided in the first rotation mechanism 20 is schematically illustrated by the third rotation shaft 2210 being provided in the second rotation member 22 of the first rotation mechanism 20. Specifically, the third rotation shaft 2210 is convexly disposed on two opposite sides of the second rotation member 22 of the first rotation mechanism 20, the third rotation hole 2211 is disposed on the connection member 23 of the first rotation mechanism 20, and the third rotation shaft 2210 is inserted into the third rotation hole 2211 so that the third rotation shaft 2210 can rotate in the third rotation hole 2211, thereby rotating the second rotation member 22 of the first rotation mechanism 20 relative to the connection member 23 of the first rotation mechanism 20. Of course, in other embodiments, the third rotation shaft 2210 may be disposed on the connecting member 23 of the first rotation mechanism 20, and the third rotation hole 2211 is disposed on two opposite sides of the second rotation member 22 of the first rotation mechanism 20.

It is noted that the third rotating hole 2211 mentioned in this embodiment may be a through hole or a blind hole. Wherein the through hole means that the third rotation hole 2211 penetrates through opposite side surfaces of the structural member at the same time, and the blind hole means that the third rotation hole 2211 penetrates through only one side surface of the structural member, so the blind hole may also be called a slot.

The third rotation shaft 2210 may be fixedly connected to the connecting member 23 of the first rotation mechanism 20 or the second rotation member 22 of the first rotation mechanism 20, or may be rotatably connected to the connecting member. For example, in the present embodiment, the third rotation shaft 2210 is disposed on the second rotating member 22 of the first rotating mechanism 20, the third rotation shaft 2210 may be fixedly disposed on the second rotating member 22 of the first rotating mechanism 20, so that the third rotation shaft 2210 and the second rotating member 22 of the first rotating mechanism 20 remain relatively stationary, and the third rotation shaft 2210 is inserted into the third rotation hole 2211 and rotates relative to the third rotation hole 2211, thereby rotating the connecting member 23 of the first rotating mechanism 20 relative to the second rotating member 22 of the first rotating mechanism 20. Alternatively, the third rotation shaft 2210 may be rotatably connected to the second rotating member 22 of the first rotating mechanism 20, so that the third rotation shaft 2210 and the second rotating member 22 of the first rotating mechanism 20 keep rotating relatively, and thus the third rotation shaft 2210 may still rotate in the third rotation hole 2211, so that the connecting member 23 of the first rotating mechanism 20 rotates relatively to the second rotating member 22 of the first rotating mechanism 20. For example, the second rotating member 22 of the first rotating mechanism 20 has a third receiving hole 2212 penetrating through opposite sides thereof, the third rotating shaft 2210 penetrates through the third receiving hole 2212, and opposite ends of the third rotating shaft 2210 protrude from opposite sides of the second rotating member 22 of the first rotating mechanism 20.

Alternatively, when the third rotating shaft 2210 is fixedly disposed on the second rotating member 22 of the first rotating mechanism 20, the third rotating shaft 2210 and the second rotating member 22 of the first rotating mechanism 20 may be in an integral structure or a split structure. When the third rotation shaft 2210 and the second rotating member 22 of the first rotating mechanism 20 are integrally formed, the third rotation shaft 2210 and the second rotating member 22 of the first rotating mechanism 20 are manufactured by one process, but for convenience of understanding, the third rotation shaft 2210 and the second rotating member 22 of the first rotating mechanism 20 are named differently. When the third rotation shaft 2210 is formed as a separate structure from the second rotation member 22 of the first rotation mechanism 20, the third rotation shaft 2210 is formed separately from the second rotation member 22 of the first rotation mechanism 20 and then is coupled together by various methods, for example, by plugging. In the present embodiment, only the third rotation shaft 2210 and the second rotation member 22 of the first rotation mechanism 20 are schematically described as separate structures.

Referring to fig. 15 to 17 again, in the present embodiment, the bracket 10 includes a first sub-bracket 110 and a second sub-bracket 120 with a split structure, and the first rotating member 21 of the first rotating mechanism 20, the second rotating member 22 of the first rotating mechanism 20, the first follower 71, and the second follower 71' are sandwiched between the first sub-bracket 110 and the second sub-bracket 120, and are rotatably connected with the second sub-bracket 120 through the first sub-bracket 110.

The bracket 10 of the present embodiment is formed of a split first sub-bracket 110 and a split second sub-bracket 120, that is, the first sub-bracket 110 and the second sub-bracket 120 are separately manufactured and then assembled together by various methods such as bonding, clamping, or screw connection. The first rotating member 21 of the first rotating mechanism 20, the second rotating member 22 of the first rotating mechanism 20, the first follower 71, and the second follower 71 'may be interposed between the first sub-mount 110 and the second sub-mount 120, and the first sub-mount 110 and the second sub-mount 120 may be engaged with each other to realize rotational connection with the first rotating member 21 of the first rotating mechanism 20, the second rotating member 22 of the first rotating mechanism 20, the first follower 71, and the second follower 71'. For example, the above description has mentioned that the present application is schematically illustrated with one end of the first rotating member 21 of the first rotating mechanism 20, the second rotating member 22 of the first rotating mechanism 20, the first driven member 71, and the second driven member 71' as the rotation axis, and therefore the second circular arc slot 2101, the third circular arc slot 2201, and the fourth circular arc slot 7102 are correspondingly provided on the bracket 10. Therefore, three accommodating spaces 111 can be formed on the first sub-support 110, and a protrusion 121 is disposed on one side of the second sub-support 120, which is close to the first sub-support 110, and corresponds to each accommodating space 111, and when the first sub-support 110 and the second sub-support 120 are assembled together, the first sub-support 110, the second sub-support 120, and the protrusion 121 of each accommodating space 111 are enclosed together to form a corresponding circular arc groove. In addition, through holes 122 communicating with the accommodating space 111 may be formed on opposite sides of the protrusion 121 on the second sub-bracket 120, so as to avoid interference between the second sub-bracket 120 and the first rotating member 21 of the first rotating mechanism 20, the second rotating member 22 of the first rotating mechanism 20, the first driven member 71, and the second driven member 71'.

In other embodiments, the support 10 may also be designed as a one-piece structure, i.e. the first sub-support 110 and the second sub-support 120 are of an inseparable design.

In addition to the above structural members, the folding device 1 may also include a synchronizing mechanism or a hovering mechanism, where the synchronizing mechanism is used to enable the first supporting member 31 on the other side of the support 10 to make synchronous and reverse movement by the synchronizing mechanism when the connecting member 23 of the first rotating mechanism 20 on one side of the support 10 rotates to drive the first supporting member 31 to move, so as to achieve synchronous folding and synchronous unfolding of the first supporting member 31 and the second supporting member 31'. The hover mechanism is used for enabling the connecting piece 23 of the first rotating mechanism 20 to be kept fixed to achieve a static state when the external force is removed when the connecting piece 23 of the first rotating mechanism 20 rotates a certain angle, and the connecting piece 23 of the first rotating mechanism 20 does not automatically fall back. The specific structure of the synchronizing mechanism and the hover mechanism of the present application is not described herein. In addition to providing a folding device 1, the application also provides a housing assembly 2 assembled by the folding device 1.

The relative structure and positional relationship of the second rotating mechanism 20', the second supporting member 31', and the second driven member 71' can be understood as the same as those of the first rotating mechanism 20, the first supporting member 31, and the first driven member 71. For example, the second supporting member 31 'further rotates relative to the connecting member 23 of the second rotating mechanism 20', and the second supporting member 31 'further rotates relative to the connecting member 23 of the second rotating mechanism 20', so that the first supporting member 31 and the second supporting member 31 'are located on the same side of the bracket 10 when the first supporting member 31 and the second supporting member 31' are in the completely mutually folded state, and the distance between the first supporting member 31 and the second supporting member 31 'at the end far from the bracket 10 is smaller than or equal to the distance between the first supporting member 31 and the second supporting member 31' at the end near to the bracket 10.

In the present embodiment, the folding device 1 has an unfolded state in which the first support 31 and the second support 31 'are completely unfolded from each other, and a folded state in which the first support 31 and the second support 31' are completely folded from each other, and the stand 10 has a top surface 101 for approaching the screen. Wherein the distance between the third rotation axis C3 between the second support 31 'and the second follower 71' and the fourth rotation axis C4 between the second support 31 'and the connecting piece 23 of the second rotation mechanism 20' is the first distance in the direction parallel to the top surface 101 when the folding apparatus 1 is in the unfolded state. When the folding device 1 is in the folded state, the distance between the third rotation axis C3 and the fourth rotation axis C4 is a second distance in the direction perpendicular to the top surface 101, and the second distance is smaller than the first distance.

In the present embodiment, the folding device 1 has an unfolded state in which the first support 31 and the second support 31 'are completely unfolded from each other, and a folded state in which the first support 31 and the second support 31' are completely folded from each other, and the stand 10 has a top surface 101 for approaching the screen. Wherein, when the folding apparatus 1 is in the unfolded state, the distance between the third rotation axis C3 between the second supporting member 31 'and the second follower 71' and the fourth rotation axis C4 between the second supporting member 31 'and the connecting member 23 of the second rotation mechanism 20' is the third distance in the direction perpendicular to the top surface 101. When the folding device 1 is in the folded state, the distance between the third rotation axis C3 and the fourth rotation axis C4 is a fourth distance in a direction parallel to the top surface 101, and the fourth distance is greater than the third distance.

In this embodiment, the second supporting member 31 'also includes a supporting portion 313 and a guiding portion 315, the supporting portion 313 has a supporting surface 310 for supporting the screen, the guiding portion 315 is fixedly disposed on a side surface facing away from the supporting surface 310, the guiding portion 315 and the connecting member 23 of the second rotating mechanism 20' are cooperatively connected with the first circular arc groove 3150 through the first circular arc rail 3151, the first circular arc rail 3151 is disposed on one of the connecting members 23 of the guiding portion 315 and the second rotating mechanism 20', and the first circular arc groove 3150 is disposed on the other of the connecting members 23 of the guiding portion 315 and the second rotating mechanism 20'.

In this embodiment, the second supporting member 31 'includes a supporting portion 313 and a rotating portion 314, the supporting portion 313 has a supporting surface 310 for supporting the screen, the rotating portion 314 is fixedly disposed on a side surface facing away from the supporting surface 310, one end of the second driven member 71' away from the bracket 10 is cooperatively connected with the rotating portion 314 through a first rotating shaft 3142 and a first rotating hole 3143, the first rotating shaft 3142 is disposed on one of the second driven member 71 'and the rotating portion 314, and the first rotating hole 3143 is disposed on the other one of the second driven member 71' and the rotating portion 314.

In the present embodiment, the bracket 10 has a bottom surface 102 for facing away from the screen, and the third rotation axis C33 between the second follower 71' and the bracket 10 is farther from the bottom surface 102 than the first rotation axis C11 between the first rotation member 21 of the second rotation mechanism 20' and the bracket 10, and the second rotation axis C22 between the second rotation member 22 of the second rotation mechanism 20' and the bracket 10.

In the present embodiment, the first rotation axis C11 between the first rotation member 21 of the second rotation mechanism 20 'and the bracket 10 is parallel to or coincides with the second rotation axis C22 between the second rotation member 22 of the second rotation mechanism 20' and the bracket 10.

In the present embodiment, one end of the first rotating member 21 of the second rotating mechanism 20' near the bracket 10 is cooperatively connected with the bracket 10 through the second circular arc rail 2100 and the second circular arc groove 2101, the second circular arc rail 2100 is provided on one of the first rotating member 21 of the second rotating mechanism 20' and the bracket 10, and the second circular arc groove 2101 is provided on the other of the first rotating member 21 of the second rotating mechanism 20' and the bracket 10. The end, close to the bracket 10, of the second rotating member 22 of the second rotating mechanism 20' is in fit connection with the bracket 10 through a third circular arc rail 2200, the third circular arc rail 2200 is arranged on one of the second rotating member 22 of the second rotating mechanism 20' and the bracket 10, and the third circular arc rail 2201 is arranged on the other of the second rotating member 22 of the second rotating mechanism 20' and the bracket 10.

In the present embodiment, one end of the second follower 71' close to the bracket 10 is cooperatively connected with the bracket 10 through a fourth arc rail 7101 and a fourth arc groove 7102, the fourth arc rail 7101 is provided on one of the second follower 71' and the bracket 10, and the fourth arc groove 7102 is provided on the other of the second follower 71' and the bracket 10.

In the present embodiment, the first rotation axis C1 is far away from the bracket 10 compared to the second rotation axis C2.

In the present embodiment, the end of the first rotating member 21 of the second rotating mechanism 20' away from the bracket 10 is cooperatively connected with the second rotating hole 2111 through the second rotating shaft 2110, the second rotating shaft 2110 is provided on one of the first rotating member 21 of the second rotating mechanism 20' and the connecting member 23 of the second rotating mechanism 20', and the second rotating hole 2111 is provided on the other of the first rotating member 21 of the second rotating mechanism 20' and the connecting member 23 of the second rotating mechanism 20 '. The end of the second rotating member 22 of the second rotating mechanism 20', which is far away from the bracket 10, is cooperatively connected with the connecting member 23 of the second rotating mechanism 20' through a third rotating shaft 2210, the third rotating shaft 2210 is arranged on one of the second rotating member 22 of the second rotating mechanism 20 'and the connecting member 23 of the second rotating mechanism 20', and the third rotating shaft 2211 is arranged on the other of the second rotating member 22 of the second rotating mechanism 20 'and the connecting member 23 of the second rotating mechanism 20'.

In addition, the specific description of the above structure refers to the description of the first rotating mechanism 20, the first supporting member 31, and the first driven member 71, and the description of the drawings, and the present application will not be repeated here. And the present application is only schematically illustrated herein with respect to the second rotating mechanism 20', the second supporting member 31', and the second driven member 71', and it is also within the scope of the present application that other structural features of the first rotating mechanism 20, the first supporting member 31, and the first driven member 71 may be equally applicable to the second rotating mechanism 20', the second supporting member 31', and the second driven member 71'.

Referring to fig. 21-29 together, fig. 21 is a schematic perspective view of a housing assembly in an unfolded state according to an embodiment of the application. Fig. 22 is an exploded view of a portion of the housing assembly of fig. 21. Fig. 23-25 are schematic cross-sectional views of different portions of the housing assembly shown in fig. 21. Fig. 26 is a schematic perspective view of a housing assembly in a folded state according to an embodiment of the present application. Fig. 27-29 are schematic cross-sectional views of different portions of the housing assembly shown in fig. 26.

The present embodiment provides a housing assembly 2, where the housing assembly 2 includes a first housing 40, a second housing 40', and a folding device 1 provided in the foregoing embodiment of the present application, at least portions of the first housing 40 and the second housing 40' are disposed on opposite sides of the folding device 1, the first housing 40 is connected to a connecting piece 23 of the first rotating mechanism 20 of the folding device 1, and the second housing 40 'is connected to a connecting piece 23 of the second rotating mechanism 20' of the folding device 1. When the connecting member 23 of the first rotating mechanism 20 and the connecting member 23 of the second rotating mechanism 20 'rotate, the rotation of the first housing 40 and the second housing 40' is switched between the unfolded state and the folded state.

The housing assembly 2 is a modular component, i.e. the housing assembly 2 comprises at least two components. The housing assembly 2 in this embodiment mainly includes the first housing 40 and the second housing 40' and the folding device 1 described in the above embodiment. The housing is mainly used for mounting and carrying structural members, for example, a screen can be carried on the housing, and structural members such as a circuit board, a battery, a camera and the like can be arranged in the housing. Therefore, the first housing 40 and the second housing 40' mainly perform the functions of installation, protection, etc. In some embodiments, the surfaces of the first and second cases 40 and 40' may also serve as exterior surfaces, and thus the surfaces of the first and second cases 40 and 40' may be designed accordingly, so that the first and second cases 40 and 40' have unique exterior effects. The present embodiment is not limited to the shape, material, structure, and other parameters of the first housing 40 and the second housing 40', as long as the functions of installation and protection can be achieved. For example, the materials of the first housing 40 and the second housing 40' may be all metals, all plastics, or part of metals and part of plastics.

The connecting piece 23 of the folding device 1 may be fixedly arranged on the housing 40, that is, the first housing 40 is connected to the connecting piece 23 of the first rotating mechanism 20 of the folding device 1, and the second housing 40 'is connected to the connecting piece 23 of the second rotating mechanism 20' of the folding device 1. In other words, the first housing 40 and the connecting member 23 of the first rotating mechanism 20 may be integrally formed or may be separately formed. When the first housing 40 and the connecting member 23 of the first rotating mechanism 20 are integrally formed, the first housing 40 and the connecting member 23 of the first rotating mechanism 20 are manufactured by one process, but for convenience of understanding, the connecting member 23 of the first housing 40 and the first rotating mechanism 20 are named differently. When the first housing 40 and the connecting member 23 of the first rotating mechanism 20 are in a split structure, the first housing 40 and the connecting member 23 of the first rotating mechanism 20 are prepared separately and then assembled together by various methods such as screw connection, adhesion, clamping connection, etc. In the present embodiment, only the coupling member 23 of the first housing 40 and the first rotating mechanism 20 is schematically described as a separate structure.

The second housing 40 'and the connecting member 23 of the second rotating mechanism 20' may be of an integral structure or a split structure. When the second housing 40 'and the connecting member 23 of the second rotating mechanism 20' are integrally formed, the second housing 40 'and the connecting member 23 of the second rotating mechanism 20' are manufactured by one process, but for convenience of understanding, the connecting member 23 of the second housing 40 'and the second rotating mechanism 20' are named differently. When the second housing 40 'and the connecting member 23 of the second rotating mechanism 20' are of a split type structure, the second housing 40 'and the connecting member 23 of the second rotating mechanism 20' are prepared separately and then assembled by various methods such as screw connection, bonding, clamping, etc. In the present embodiment, only the coupling member 23 of the second housing 40 'and the second rotation mechanism 20' is schematically described as a split structure.

At least part of the first housing 40 and the second housing 40' are provided on opposite sides of the folding device 1. In some embodiments, all of the first and second housings 40, 40' may be provided on opposite sides of the folding device 1, e.g., each first housing 40 is provided on the first side 103 of the stand 10. In other embodiments, the first housing 40 and the second housing 40' are disposed on opposite sides of the folding device 1, and the other portions are disposed on other sides of the folding device 1. For example, a portion of each first housing 40 is disposed on the first side 103 of the bracket 10, and the remaining portion is disposed on the bottom 102 of the bracket 10.

When the connecting member 23 of the first rotating mechanism 20 and the connecting member 23 of the second rotating mechanism 20 'rotate, the rotation of the first housing 40 and the second housing 40' is switched between the unfolded state and the folded state. Specifically, when the first housing 40 is fixedly disposed on the connecting member 23 of the first rotating mechanism 20, when the first housing 40 receives an external force applied by a user or an external force given by another mechanism, the first housing 40 rotates to drive the connecting member 23 of the first rotating mechanism 20 to rotate, and the connecting member 23 of the first rotating mechanism 20 rotates to drive the first rotating member 21, the second rotating member 22 and the first driven member 71 of the first rotating mechanism 20 to rotate, and meanwhile, the first driven member 71 rotates to drive the first supporting member 31 to rotate relative to the connecting member 23 of the first rotating mechanism 20. When the second housing 40' is fixedly arranged on the connecting piece 23 of the second rotating mechanism 20', when the second housing 40' receives an external force applied by a user or an external force given by other mechanisms, the second housing 40' rotates to drive the connecting piece 23 of the second rotating mechanism 20' to rotate, and the connecting piece 23 of the second rotating mechanism 20' rotates to drive the first rotating piece 21, the second rotating piece 22 and the second driven piece 71' of the second rotating mechanism 20' to rotate, and meanwhile, the second driven piece 71' rotates to drive the second supporting piece 31' to rotate relative to the connecting piece 23 of the second rotating mechanism 20 '. Until the first and second supports 31 and 31' and the bracket 10 are folded into a drop shape or unfolded into a horizontal shape.

The housing assembly 2 according to the present embodiment of the present application can prevent the dimension of the housing assembly 2 in the longitudinal direction from being changed by adopting the folding device 1 according to the above embodiment of the present application, which is advantageous for the development of miniaturization. And the first shell 40 and the second shell 40 'can not rotate relative to the first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20', so that the stability of the shell assembly 2 is improved.

Referring to fig. 30-33 together, fig. 30 is a schematic view illustrating the cooperation between the decoration and the folding device according to an embodiment of the application. FIG. 31 is an exploded view of the trim piece and folding device of FIG. 30. Fig. 32 is an exploded view of the first rotating member, the second rotating member, and the decoration of the first rotating mechanism and the second rotating mechanism according to an embodiment of the present application. Fig. 33 is an exploded view of the first rotating member, the second rotating member, and the decoration of the first rotating mechanism and the second rotating mechanism according to another embodiment of the present application. In this embodiment, the housing assembly 2 further includes a decoration member 50, the decoration member 50 includes a bottom wall 51 and a side wall 52 connected to the periphery of the bottom wall 51 in a bending manner, and the bracket 10 of the folding device 1 is fixedly disposed on the bottom wall 51. The first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20' of the folding device 1 each include a relief portion 53, and the relief portion 53 is configured to clear the side wall 52. Alternatively, the side wall 52 is provided with the escape space 54, and the first rotary member 21 and the second rotary member 22 of the first rotary mechanism 20 and the second rotary mechanism 20' can be provided in the escape space 54.

The housing assembly 2 may comprise, in addition to the housing and the folding device 1, also a trim piece 50. The mounting member is mainly used for mounting the folding device 1, providing a mounting foundation for the folding device 1, and the decoration member 50 can also protect the folding device 1 from damage caused by the folding device 1 contacting the outside. At the same time, the decoration piece 50 and the first shell 40 and the second shell 40' can form the appearance surface of the shell assembly 2 together, so that the surface of the decoration piece 50 can be designed similarly, and the appearance performance of the shell assembly 2 is improved. The present embodiment is not limited to parameters such as the material, shape, and structure of the garnish 50, as long as the garnish 50 can be mounted, protected, and has an external appearance.

The decoration 50 may include a bottom wall 51 and a side wall 52 connected to the periphery of the bottom wall 51 in a bending manner, and the bracket 10 may be fixed on the bottom wall 51 in this embodiment. Screws or the like may be used in some embodiments to screw the bracket 10 up to the bottom wall 51. In other embodiments, the fastening may be performed by, for example, adhesive, snap-fit connection, or the like.

Alternatively, the housing assembly 2 may include two or more folding devices 1, and a plurality of the folding devices 1 are disposed on the bottom wall 51 at intervals along the length direction of the bottom wall 51.

Due to the side wall 52 of the decoration member 50, the first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20 'in the housing assembly 2 may interfere with the side wall 52 when moving to the flattened state, thereby preventing the rotation of the first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20'. The present embodiment thus provides two solutions. In one embodiment, the first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20' may be provided with the escape portion 53, and the side wall 52 may be escaped by the escape portion 53. Specifically, the relief portion 53 may be provided on the side of the first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20 'near the bottom wall 51, and the relief portion 53 may be protruded in a direction away from the side wall 52, thereby preventing the side wall 52 from interfering with the first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20'.

In the second embodiment, two avoidance spaces 54 may be provided on the side wall 52, so that when the first support member 31 and the second support member 31' are completely unfolded, the first rotation member 21 and the second rotation member 22 of the first rotation mechanism 20 and the second rotation mechanism 20' can be respectively provided in one avoidance space 54, thereby preventing interference between the side wall 52 and the first rotation member 21 and the second rotation member 22 of the first rotation mechanism 20 and the second rotation mechanism 20 '. Specifically, the escape space 54 may extend through a side surface of the side wall 52 facing away from the bottom wall 51, a side surface of the side wall 52 near the bracket 10, and a side surface of the side wall 52 facing away from the bracket 10 at the same time. As for the bottom wall 51, the avoiding space 54 may not be formed, so that the user cannot see the internal condition of the housing assembly 2 through the bottom wall 51 from the outside, thereby protecting the housing assembly 2 more effectively.

In addition, whether the escape portion 53 is provided in the first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20', or the escape space 54 is provided in the side wall 52, the first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20' can be brought into contact with each other by the above-described escape design when the first supporting member 31 and the second supporting member 31' are in the fully mutually expanded state, and the side wall 52 is used to limit the first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20', so that the first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20' can be prevented from being folded back to damage the housing assembly 2.

In other embodiments, the first follower 71 and the second follower 71 'may be provided with the escape portion 53, or the side wall 52 may be provided with the escape space 54, and the escape portion 53 or the escape space 54 may prevent the first follower 71 and the second follower 71' from interfering with the side wall 52.

Referring to fig. 21-25 again, in the present embodiment, the first housing 40 and the second housing 40' each include a main body 41 and a protruding portion 42 disposed on a side of the main body 41 close to the folding device 1, the connecting piece 23 of the first rotating mechanism 20 is fixedly disposed on the protruding portion 42 of the first housing 40, the connecting piece 23 of the second rotating mechanism 20' is fixedly disposed on the protruding portion 42 of the second housing 40', and when the first supporting piece 31 and the second supporting piece 31' are in a fully mutually unfolded state, the protruding portion 42 of the first housing 40 and the protruding portion 42 of the second housing 40' are disposed on a side of the decoration 50 facing away from the folding device 1.

The present embodiment provides a specific structure in which portions of the first housing 40 and the second housing 40' are provided on opposite sides of the folding device 1. The first housing 40 and the second housing 40' each include a body 41 and a protruding portion 42, wherein the body 41 is used for carrying a screen, and the body 41 has a space for accommodating and installing various structural components, such as a battery, a circuit board, a camera module, etc., in the first housing 40. And since the present embodiment includes the first housing 40 and the second housing 40', different structural members may be provided in the bodies 41 of the first housing 40 and the second housing 40'. The protruding parts 42 of the first and second housings 40 and 40' are mainly used for installing the connecting piece 23 of the first rotating mechanism 20 in the folding device 1, and the protruding parts 42 can also function to protect the folding device 1. In other embodiments, smaller sized structures, such as platelets, may be correspondingly disposed within the boss 42.

The body 41 and the boss 42 may be integrally formed or may be separately formed. When the body 41 and the boss 42 are integrally formed, the body 41 and the boss 42 are manufactured through one process, but for convenience of understanding, the body 41 and the boss 42 are named differently. When the body 41 and the boss 42 are of a split structure, the body 41 and the boss 42 are prepared separately and then are connected together by various methods such as plugging. The present embodiment is schematically described with respect to a structure in which the body 41 and the boss 42 are integrated.

The body 41 has a front face 410, a back face 411, and a side face 412 bent between the front face 410 and the back face 411 and adjacent to the folding device 1. Wherein the front face 410 is subsequently used to support the screen, the back face 411 is used to act as the exterior face of the housing assembly 2, and the side face 412 is used to provide the boss 42. Specifically, the protruding portion 42 is disposed on the side 412 and near the opposite side 411, so that the protruding portion 42 and the body 41 can form a step structure, i.e. an upward installation space 413 is formed, and the connecting piece 23 of the first rotating mechanism 20 and a portion of the first supporting piece 31 can be disposed in the installation space 413, and the connecting piece 23 of the first rotating mechanism 20 is fixedly disposed on a surface of the protruding portion 42 near the front side 410. Optionally, a surface of the side of the protruding portion 42 facing away from the front face 410 is flush with the back face 411 of the body 41, so as to improve the flatness of the surfaces of the first housing 40 and the second housing 40'.

When the first supporting member 31 and the second supporting member 31 'are completely unfolded from each other, i.e. the housing assembly 2 is in the unfolded state, the two protruding portions 42 can be disposed on the side of the decoration member 50 facing away from the folding device 1, so that the whole folding device 1 can be disposed in the mounting spaces 413 of the first housing 40 and the second housing 40', and the two protruding portions 42 are utilized to shield the decoration member 50 and the folding device 1, so that the housing assembly 2 is more compact in appearance. Alternatively, when the first and second supports 31 and 31' are completely unfolded from each other, the protruding portion 42 of the first housing 40 and the protruding portion 42 of the second housing 40' may abut against each other, or the protruding portion 42 of the first housing 40 and the protruding portion 42 of the second housing 40' may have a certain gap.

When the first supporting member 31 and the second supporting member 31 'are completely folded with each other, i.e. the housing assembly 2 is in a folded state, the two protruding portions 42 are disposed on opposite sides of the folding device 1 and the decoration member 50 together with the respective connected bodies 41, and the first housing 40 and the second housing 40' and the lower surface of the decoration member 50 together form an exterior surface of the housing assembly 2. Optionally, the side wall 52 of the trim 50 is arc-shaped, so as to avoid the first and second housings 40 and 40 'during rotation of the first housing 40, preventing the first and second housings 40 and 40' from interfering with the side wall 52.

The application also provides electronic equipment 3 assembled by the housing assembly 2. Referring to fig. 34-42 together, fig. 34 is a schematic perspective view of an electronic device in an unfolded state according to an embodiment of the application. Fig. 35 is an exploded view of a part of the structure of the electronic device shown in fig. 34. Fig. 36-38 are schematic cross-sectional views of different parts of the electronic device shown in fig. 34. Fig. 39 is a schematic perspective view of an electronic device in a folded state according to an embodiment of the application. Fig. 40-42 are schematic cross-sectional views of different parts of the electronic device shown in fig. 39.

The present embodiment provides an electronic device 3, the electronic device 3 includes a screen 60 and a housing assembly 2 provided in the foregoing embodiment of the present application, the screen 60 is supported by a first supporting member 31 and a second supporting member 31' of the folding apparatus 1, when the electronic device 3 is folded, the first housing 40 and the second housing 40' are folded, the first supporting member 31 and the second supporting member 31' are folded, and two ends of the screen 60 are folded; when the electronic device 3 is unfolded, the first housing 40 and the second housing 40 'are unfolded, the first supporting member 31 and the second supporting member 31' are unfolded, and the two ends of the screen 60 are unfolded.

The electronic device 3 provided in this embodiment includes, but is not limited to, mobile terminals such as mobile phones, tablet computers, notebook computers, palm computers, personal computers (Personal Computer, PC), personal digital assistants (Personal Digital Assistant, PDA), portable media players (Portable Media Player, PMP), navigation devices, wearable devices, smart bracelets, pedometers, and fixed terminals such as digital TVs, desktop computers, and the like. The present embodiment is not limited in the type of the electronic device 3. The present embodiment will be schematically described with reference to the electronic device 3 as a mobile phone.

The electronic device 3 comprises a screen 60 and a housing assembly 2, wherein the screen 60 is a structural member having a certain flexibility, and the screen 60 can be bent to a certain extent compared with a rigid member. For example, the screen 60 includes, but is not limited to, flexible display screens, flexible touch display screens, and the like, or flexible components having corresponding functions, such as flexible display screens, flexible touch screens, and the like, to which flexible support plates are fixedly attached. The screen 60 is provided on one side of the housing assembly 2 and may be folded or flattened with the housing assembly 2. Specifically, the screen 60 has a inflection region 61, and non-inflection regions 62 provided on opposite sides of the inflection region 61. Wherein the bending region 61 is disposed corresponding to the fitting folding device 1, and the non-bending region 62 is fixed corresponding to the front face 410 of the housing 40. The screen 60 of the bending area 61 is correspondingly attached to the folding device 1, and the shape of the folding device 1 is changed when the folding device moves, so that the screen 60 of the bending area 61 can be driven to be bent similarly, and thus the folding device is bent or flattened along with the movement of the electronic equipment 3. The non-bending region 62 is fixedly arranged on the housing 40, so that the housing 40 only performs relative rotation movement, and the housing 40 itself does not undergo shape change, and therefore, even if the housing 40 rotates, the screen 60 on the housing 40 does not bend.

The electronic device 3 also has an unfolded state and a folded state, wherein the unfolded state refers to a state in which the first support member 31 and the second support member 31' are completely unfolded from each other, and can also be understood as a state in which the screen 60 is unfolded, or a state in which the display surface of the screen 60 is flat. The folded state refers to a state in which the first supporting member 31 and the second supporting member 31' are completely folded with each other, and may be understood as a state in which the screen 60 is folded and the two half screens 60 are close to each other, or a state in which the display surface of the screen 60 is folded.

When the electronic device 3 is folded, the first housing 40 and the second housing 40 'are folded, the first supporting member 31 and the second supporting member 31' are folded, and both ends of the screen 60 are folded; when the electronic device 3 is unfolded, the first housing 40 and the second housing 40 'are unfolded, the first supporting member 31 and the second supporting member 31' are unfolded, and the two ends of the screen 60 are unfolded. In other words, when the electronic device 3 is folded, the two housings are folded first, and then the two supporting members are driven to fold each other, and finally the two ends of the screen 60 are folded each other. When the electronic device 3 is unfolded, the two housings are unfolded first, and then the two supporting members are driven to be unfolded, so that the two ends of the screen 60 are unfolded. For the electronic device 3 having various driving and driven relationships during folding and unfolding, one specific implementation manner will be described in detail in this embodiment.

When the electronic device 3 is going to be folded from the unfolded state to the folded state, that is, when the electronic device 3 needs to be folded, the housing 40 can be rotated only by pushing or pulling the housing 40 towards the center of the electronic device 3, and the connecting piece 23 and the screen 60 fixed on the housing 40 can be driven to rotate during the rotation of the housing 40, so as to further drive the first rotating piece 21, the second rotating piece 22, the first supporting piece 31 and the first driven piece 71 of the first rotating mechanism 20 connected with the connecting piece 23 of the first rotating mechanism 20 to rotate relative to the bracket 10. Since the first follower 71 has a certain positional relationship with the third rotation axis C33 of the bracket 10, the first rotation axis C11 of the first rotation member 21 and the bracket 10, and the second rotation axis C22 of the second rotation member 22 and the bracket 10, the third rotation axis C3 of the first follower 71 and the first support member 31 can perform a corresponding movement relative to the fourth rotation axis C4 between the first support member 31 and the connecting member 23, so as to drive the end of the first support member 31 near the bracket 10 to rotate relative to the connecting member 23 in a direction approaching the connecting member 23, and also bend the screen 60 on the first support member 31 in a direction approaching the connecting member 23. The same can be understood with respect to the second support 31'. Finally, after the casing 40 rotates 90 degrees, the screens 60 of the non-bending areas 62 on the first casing 40 and the second casing 40 'are abutted against each other, so that the electronic equipment 3 has no gap between the first casing 40 and the second casing 40', complete abutting can be realized, the screens 60 can be effectively protected, and the thickness of the electronic equipment 3 can be reduced. The screen 60 of the bending zone 61 of the folding device 1 is formed in the shape of a drop with a small upper part and a large lower part.

When the electronic device 3 is about to return from the folded state to the unfolded state, the user only needs to pull the housing 40 outwards to rotate the housing 40, and the connecting piece 23 and the screen 60 fixed on the housing 40 can be driven to rotate during the rotation of the housing 40, so as to drive the first rotating piece 21, the second rotating piece 22, the first supporting piece 31 and the first driven piece 71 of the first rotating mechanism 20 connected with the connecting piece 23 of the first rotating mechanism 20 to rotate relative to the bracket 10. Also, since the first follower 71 has a certain positional relationship with the third rotation axis C33 of the bracket 10, the first rotation axis C11 of the first rotation member 21 and the bracket 10, and the second rotation axis C22 of the second rotation member 22 and the bracket 10, the third rotation axis C3 of the first follower 71 and the first support member 31 can perform corresponding opposite movement between the third rotation axis C3 of the first support member 31 and the fourth rotation axis C4 of the first support member 31 and the connecting member 23, so as to drive the end of the first support member 31 close to the bracket 10 to rotate relative to the connecting member 23 in a direction away from the connecting member 23, and return the first support member 31 to the flattened position. And further drives the screen 60 on the first supporting member 31 to bend reversely in a direction away from the connecting member 23, so that the screen 60 has a tendency to return to be flattened. The same can be understood with respect to the second support 31'. Finally, when the housing 40 is rotated reversely by 90 °, the first support 31 and the second support 31' are restored to the fully unfolded state, and the screen 60 is restored to the surface-flush shape.

In summary, the electronic device 3 provided in the present embodiment, by adopting the housing assembly 2 provided in the above embodiment of the present application, the dimension of the electronic device 3 in the length direction is not changed, which is beneficial to the development of miniaturization. And the casing 40 can not rotate relative to the first rotating member 21 and the second rotating member 22, so that the stability of the electronic equipment 3 is improved.

It is also possible for the electronic device 3 to be understood from another angle. For example, a foldable electronic device 3 of the present application includes a screen 60 and a folding apparatus 1, where the folding apparatus 1 includes a stand 10, a first rotating mechanism and a second rotating mechanism 20 'disposed side by side, and the first rotating mechanism 20 and the second rotating mechanism 20' each include a first rotating member 21, a second rotating member 22, and a connecting member 23; one ends of the first rotating member 21 and the second rotating member 22 are rotatably connected to the bracket 10, the other ends of the first rotating member 21 and the second rotating member 22 are rotatably connected to the connecting member 23, and a first rotation axis C1 between the first rotating member 21 and the connecting member 23 is parallel and not overlapped with a second rotation axis C2 between the second rotating member 22 and the connecting member 23. The support mechanism 30 is used for supporting the screen 60, the support mechanism 30 comprises a first support member 31 and a second support member 31' which are arranged on two opposite sides of the bracket 10, the first support member 31 is rotatably connected with the connecting member 23 of the first rotating mechanism 10, and the second support member 31' is rotatably connected with the connecting member 23 of the second rotating mechanism 20 '. The driven mechanism 70 comprises a first driven member 71 and a second driven member 'which are arranged on two opposite sides of the support 10, one end of the first driven member 71 is rotatably connected with the support 10, the other end of the first driven member 71 is rotatably connected with the first supporting member 31, one end of the second driven member 71' is rotatably connected with the support 10, and the other end of the second driven member 71 'is rotatably connected with the second supporting member 31'.

When the electronic device 3 is folded, the first follower 71, the second follower 71', and the first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20' rotate, the first supporting member 31 and the second supporting member 31' are folded with each other, and both ends of the screen 60 are folded with each other; when the electronic device 3 is unfolded, the first follower 71, the second follower 71', the first rotating member 21 and the second rotating member 22 of the first rotating mechanism 20 and the second rotating mechanism 20' rotate, the first supporting member 31 and the second supporting member 31' are unfolded, and the two ends of the screen 60 are unfolded.

In the present embodiment, the electronic device 3 has an unfolded state in which the first support 31 and the second support 31 'are completely unfolded from each other, and a folded state in which the first support 31 and the second support 31' are completely folded from each other, and the stand 10 has a top surface 101 for approaching the screen. Wherein a distance between the third rotation axis C3 between the second support 31 'and the second follower 71' and the fourth rotation axis C4 between the second support 31 'and the connecting member 23 of the second rotation mechanism 20' is a first distance in a direction parallel to the top surface 101 when the electronic apparatus 3 is in the unfolded state. When the electronic device 3 is in the folded state, the distance between the third rotation axis C3 and the fourth rotation axis C4 is a second distance in the direction perpendicular to the top surface 101, and the second distance is smaller than the first distance.

In the present embodiment, the electronic device 3 has an unfolded state in which the first support 31 and the second support 31 'are completely unfolded from each other, and a folded state in which the first support 31 and the second support 31' are completely folded from each other, and the stand 10 has a top surface 101 for approaching the screen. Wherein, when the electronic device 3 is in the unfolded state, the distance between the third rotation axis C3 between the second support member 31 'and the second follower 71' and the fourth rotation axis C4 between the second support member 31 'and the connecting member 23 of the second rotation mechanism 20' is the third distance in the direction perpendicular to the top surface 101. When the electronic device 3 is in the folded state, the distance between the third rotation axis C3 and the fourth rotation axis C4 is a fourth distance in a direction parallel to the top surface 101, and the fourth distance is greater than the third distance.

The foregoing has outlined rather broadly the more detailed description of embodiments of the application in order that the principles and embodiments of the application may be better understood, and in order that the present application may be better understood; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the idea of the present application, the present disclosure should not be construed as limiting the present application in summary.