CN110248002B - An electronic device with an outer flexible screen - Google Patents

本发明公开了一种外侧柔性屏电子设备，包括铰链，铰链包括五根平行且能同步转动的第一虾壳件、第二虾壳件、第三虾壳件、第四虾壳件和第五虾壳件及用于连接五根虾壳件的第一同步转动机构、第二同步转动机构和第一月牙连接模组，配合第一同步转动机构和第一月牙连接模组实现五根虾壳件的联动，本发明通过设有的多个虾壳件，且每个虾壳件展开和闭合后贴附柔性屏位置总长不变，降低柔性屏运动过程所受张力和压力，同时展开后的虾壳件可以对柔性屏进行平滑支撑，避免柔性屏因铰链转动产生的较强应力发生损坏。

The present invention discloses an electronic device with an outer flexible screen, comprising a hinge, wherein the hinge comprises five parallel and synchronously rotatable first shrimp shell members, a second shrimp shell member, a third shrimp shell member, a fourth shrimp shell member and a fifth shrimp shell member, and a first synchronous rotation mechanism, a second synchronous rotation mechanism and a first crescent connection module for connecting the five shrimp shell members, and the first synchronous rotation mechanism and the first crescent connection module are cooperated to realize the linkage of the five shrimp shell members. The present invention is provided with a plurality of shrimp shell members, and the total length of the position where each shrimp shell member is attached to the flexible screen remains unchanged after being unfolded and closed, thereby reducing the tension and pressure on the flexible screen during the movement process. At the same time, the unfolded shrimp shell members can smoothly support the flexible screen, thereby preventing the flexible screen from being damaged by the strong stress generated by the rotation of the hinge.

Outside flexible screen electronic equipment

Technical Field

The invention relates to the technical field of electronic equipment, in particular to electronic equipment with an outer flexible screen.

Background

Flexible screens are an emerging screen. For an external flexible screen mobile terminal in which a flexible screen is provided outside the mobile terminal, it is necessary to cope with a length change generated by closing and opening of a hinge. For the middle part of the hinge, some hinges adopt a structure of a plurality of supporting bodies to realize the support and shape change when bending and flattening.

1) However, when the existing hinge structure rotates, the contact surface of the hinge and the flexible screen is poor in smoothness, larger stress is generated when the hinge contacts the flexible screen, and the hinge which rotates reciprocally for a long time is easy to cause irreversible damage to the flexible screen, so that the service life of the flexible screen is greatly influenced;

2) When the conventional hinge structure for the flexible screen is rotated, the linkage feedback of the internal structure is poor, the movement fluency of the rotation of the hinge cannot be guaranteed, and the hinge structure for the flexible screen in transmission also has no angle limiting function.

3) The hinge structure for the traditional flexible screen can not be folded well between every two joints when being closed, so that the hinge is large in size, and electronic equipment using the traditional hinge structure is forced to be light and thin, and the overall appearance of the equipment is influenced, and the sales of the equipment are influenced.

Disclosure of Invention

The invention aims to provide an electronic device with an outer flexible screen, which solves the problems that the flexible screen and a traditional hinge are large in volume after being closed and poor in linkage of internal elements of the hinge due to stress generated in the rotation process of a hinge structure used by the traditional flexible screen device in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the hinge comprises five parallel first shrimp shell pieces, a second shrimp shell piece, a third shrimp shell piece, a fourth shrimp shell piece, a fifth shrimp shell piece, a first synchronous rotating mechanism, a second synchronous rotating mechanism and a first moon tooth connecting module, wherein the first shrimp shell pieces, the second shrimp shell pieces, the third shrimp shell pieces, the fourth shrimp shell pieces, the fifth shrimp shell pieces, the first synchronous rotating mechanism, the second synchronous rotating mechanism and the first moon tooth connecting module are used for connecting the five shrimp shell pieces;

The first shrimp shell piece is rotatably connected with the second shrimp shell piece and the third shrimp shell piece through a first synchronous rotating mechanism, the second shrimp shell piece and the third shrimp shell piece are rotatably connected with the fourth shrimp shell piece and the fifth shrimp shell piece respectively through a plurality of first moon tooth connecting modules which are correspondingly arranged, and the connecting parts of the second synchronous rotating mechanism are respectively arranged on the first shrimp shell piece, the fourth shrimp shell piece and the fifth shrimp shell piece and are matched with the first synchronous rotating mechanism and the first moon tooth connecting modules to realize linkage of the five shrimp shell pieces;

The hinge still includes slewing mechanism, rotation stop gear and second moon tooth connection module, slewing mechanism is used for second shrimp shell spare to be connected with last shell mould spare and third shrimp shell spare is connected with lower shell mould spare rotation respectively, rotation stop gear installs on first shrimp shell spare, and still be equipped with cooperation slewing mechanism and realize last shell mould spare and lower shell mould spare synchronous rotating part, still be equipped with the meshing portion that provides torsion and play the limiting displacement to the hinge rotation between two synchronous rotating parts, two synchronous rotating parts rotate simultaneously and connect on the corresponding two cubic crescent protruding parts of second moon tooth connection module, two second moon tooth protruding parts rotate with the cubic trough part of second of installing on first shrimp shell spare and are connected, utilize the cooperation of second moon tooth protruding part and the cubic crescent trough part of second to control the angle that opens and shuts of two synchronous rotating parts.

As a preferable technical scheme of the invention, when the hinge rotates, the distances and angles among the three rotating mechanism inner rotating components of the first synchronous rotating mechanism, the second synchronous rotating mechanism and the rotating mechanism are automatically adjusted, and when the hinge is closed, the three rotating mechanism inner rotating components are folded towards the corresponding shrimp shell pieces, so that the inner space of the hinge is saved.

As a preferable technical scheme of the invention, the first lunar-shaped connecting module is provided with a plurality of first lunar-shaped connecting modules, each first lunar-shaped connecting module consists of a plurality of first block-shaped crescent convex parts arranged on the second shrimp shell part and the upper third shrimp shell part and first block-shaped crescent groove parts arranged on the fourth shrimp shell part and the fifth shrimp shell part, and the first lunar-shaped connecting module, the second lunar-shaped connecting module and the corresponding shrimp shell parts are arranged to realize that stable rotation relation and rotation path among the shrimp shell parts are kept.

As a preferable technical scheme of the invention, the rotation limiting mechanism comprises a Y-shaped fixing boss fixedly arranged on the first shrimp shell piece, two sides of the top of the Y-shaped fixing boss are symmetrically provided with fins for synchronous rotation through two third rotation central shafts, one ends of the two fins are mutually meshed through racks, and a meshing part is formed, and a pin shaft for connecting the fins is rotationally connected with the second lunar bulge piece.

As a preferable technical scheme of the invention, the first synchronous rotating mechanism comprises a first fixing boss fixedly arranged at the middle part of the inner side of the first shrimp shell piece through a screw, a first rotating central shaft is connected in a smooth fit manner in a groove at the top of the first fixing boss, one end of the first rotating central shaft is coaxially sleeved with two first connecting pieces, and one end of each of the two first connecting pieces is rotatably connected with two first fixing bearing frames respectively arranged on the second shrimp shell piece and the third shrimp shell piece through a pin shaft.

As a preferable technical scheme of the invention, the rotating mechanism comprises two second rotating mechanism seats which are respectively connected with the inner sides of the second shrimp shell piece and the third shrimp shell piece through screws, the two second rotating mechanism seats are respectively connected with a first rotating mechanism seat in a rotating way through pin shafts which are connected in a penetrating way, arc-shaped through holes for rotating and sliding the pin shafts are formed in the connection positions of the tops of the first rotating mechanism seats and the pin shafts, and meanwhile, the bottom ends of the two first rotating mechanism seats are respectively arranged on the fourth shrimp shell piece and the fifth shrimp shell piece through screws.

As a preferable technical scheme of the invention, the first crescent alveolus is fixedly arranged at the two ends of the inner sides of the upper shell mould and the lower shell mould through screws, the two second crescent alveolus is fixedly arranged at the middle parts of the inner sides of the upper shell mould and the lower shell mould through screws, the first crescent alveolus and the second crescent alveolus which are positioned at the inner sides of the upper shell mould are respectively matched and connected with the first crescent alveolus and the second crescent alveolus which are fixedly arranged at the outer sides of the fourth shrimp shell, so that synchronous rotation of the fourth shrimp shell and the upper shell mould is realized, and the first crescent alveolus and the second crescent alveolus which are positioned at the inner sides of the lower shell mould are respectively matched and connected with the first crescent alveolus and the second crescent alveolus which are fixedly arranged at the outer sides of the fifth shrimp shell.

As a preferable technical scheme of the invention, a liquid crystal display screen is arranged on the inner side of the upper shell module, a keyboard is arranged on the inner side of the lower shell module, and a flexible display screen is arranged on the outer sides of the upper shell module and the lower shell module.

As a preferable technical scheme of the invention, the first shrimp shell piece, the second shrimp shell piece, the third shrimp shell piece, the fourth shrimp shell piece and the fifth shrimp shell piece rotate around respective centers when the first synchronous rotating mechanism, the second synchronous rotating mechanism, the first lunar tooth connecting module, the rotating mechanism and the rotation limiting mechanism realize rotation.

Compared with the prior art, the invention has the beneficial effects that: the electronic equipment with the outer flexible screen has the following beneficial effects:

1) Through the plurality of shrimp shell pieces, the total length of the positions of the attached flexible screen after each shrimp shell piece is unfolded and closed is unchanged, the tension and the pressure born by the flexible screen in the motion process are reduced, and meanwhile, the unfolded shrimp shell pieces can smoothly support the flexible screen, so that the flexible screen is prevented from being damaged due to stronger stress generated by the rotation of the hinge;

2) The shrimp shell pieces are hinged through the synchronous rotating mechanism, the rotating mechanism and the rotating limiting mechanism, so that the shrimp shell pieces can reliably rotate around the respective centers in a linkage manner, the shrimp shell pieces in the hinge can reliably rotate around the respective centers in a linkage manner, meanwhile, the smoothness of the hinge in rotation is ensured, a certain limiting effect can be achieved when the hinge rotates through the two meshed and connected fins of the rotating limiting mechanism, and meanwhile, the crescent moon modules can limit the rotation of the upper shell mold piece and the lower shell mold piece to 180 degrees, so that the flexible screen is prevented from being damaged;

3) The inside synchronous rotary mechanism of hinge portion passes through the many connecting rods of space connecting rod structure to be connected, and during hinge rotation, directly shorten through the distance between the structure of connecting piece connection to adjust the angle by oneself, absorb this part distance, make simultaneously connect in synchronous rotary mechanism's structure not receive extrusion force or pulling force, when this synchronous rotary mechanism structure is closed simultaneously, required Z is little to the space, practices thrift hinge portion inner space, satisfies the frivolous design trend of cell-phone.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the hinge structure of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 at A according to the present invention;

FIG. 5 is a schematic view of the structure of FIG. 3 at B in accordance with the present invention;

FIG. 6 is a schematic diagram of a second synchronous rotation mechanism according to the present invention;

fig. 7 is a schematic view of the present invention in a closed state.

In the figure: 1. a hinge; 11. a first shrimp shell member; 12. a second shrimp shell member; 13. a third shrimp shell member; 14. a fourth shrimp shell member; 15. a fifth shrimp shell member; 101. first month alveoli; 102. a second lunar alveolus; 103. a mounting piece; 104. a first lunar boss; 105. a second lunar boss; 1a, a first synchronous rotating mechanism; 1a1, a first fixing boss; 1a2, a first rotation center axis; 1a3, a first fixed carrier; 1a4, a first connector; 1b, a rotating mechanism; 1b1, a first rotating structure seat; 1b2, a second rotating mechanism seat; 1c, a second synchronous rotating mechanism; 1c1, a second fixing boss; 1c2, a second rotation center axis; 1c3, a second fixed bearing frame A;1c4, a second fixed bearing frame B;1c5, a second connecting piece; 1d, a first lunar connection module; 1d1, a first block-shaped crescent groove member; 1d2, a first block-shaped crescent-shaped protrusion; 1e, rotating a limiting mechanism; 1e1, fins; 1e2, Y-shaped fixing bosses; 1e3, a third rotation center axis; 1f, a second month tooth connecting module; 1f1, a second block crescent groove member; 1f2, a second block crescent protrusion; 2. an upper shell module; 201. an upper shell mounting plate groove; 3. a lower shell module; 301. the lower shell is provided with a sheet groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, the present invention provides an electronic device with a flexible screen on the outside, which includes a hinge 1, wherein the hinge 1 includes five parallel first shrimp shell pieces 11, second shrimp shell pieces 12, third shrimp shell pieces 13, fourth shrimp shell pieces 14, fifth shrimp shell pieces 15, a first synchronous rotating mechanism 1a, a second synchronous rotating mechanism 1c, and a first lunar tooth connecting module 1d, which are capable of rotating synchronously;

The first shrimp shell piece 11 is rotatably connected with the second shrimp shell piece 12 and the third shrimp shell piece 13 through a first synchronous rotating mechanism 1a, the second shrimp shell piece 12 and the third shrimp shell piece 13 are rotatably connected with a fourth shrimp shell piece 14 and a fifth shrimp shell piece 15 respectively through a plurality of first moon-tooth connecting modules 1d which are correspondingly arranged, the second synchronous rotating mechanism 1c comprises two second fixing bosses 1c1 which are fixedly arranged at the inner sides of the second shrimp shell piece 12 and the third shrimp shell piece 13 respectively through screws, grooves at the tops of the two second fixing bosses 1c1 are respectively in smooth fit with two second rotating center shafts 1c2, one ends of the two second rotating center shafts 1c2 are coaxially sleeved with two second connecting pieces 1c5, the two second connecting pieces 1c5 which are positioned at the inner sides of the two second rotating center shafts 1c2 are respectively connected with two second fixing supports A1c3 through pin shafts in a rotating way, the two second connecting pieces 1c5 positioned outside the two second rotating center shafts 1c2 are respectively and rotatably connected with two sides of the top of the second fixing support B1c4 through pin shafts, the two second fixing support A1c3 are respectively and fixedly connected with the inner sides of the fourth shrimp shell piece 14 and the fifth shrimp shell piece 15 through screws, the second fixing support B1c4 is fixedly connected with the inner sides of the first shrimp shell piece 11 through screws, when the upper shell piece 2 and the lower shell piece 3 are wrenched, acting force acts on the shrimp shell pieces, as the two second rotating center shafts 1c2 are respectively and smoothly matched and installed in grooves at the tops of the two second fixing bosses 1c1, two second connecting pieces 1c5 of the second synchronous rotating mechanism 1c drive the two second fixing support A1c3 through pin shafts, and drive the fourth shrimp shell piece 14 and the fifth shrimp shell piece 15 to rotate around respective center points through the two second fixing support A1c3 respectively, so that the fourth shrimp shell piece 14 and the fifth shrimp shell piece 15 are folded or unfolded, the other two second connecting pieces 1c5 of the second synchronous rotating mechanism 1c are rotationally connected with the second fixed bearing frame B1c4 through pin shafts, so that the folding or unfolding of the fourth shrimp shell piece 14 and the fifth shrimp shell piece 15 is ensured to be linked with the first shrimp shell piece 11, the stable rotating relation and rotating path between the shrimp shell pieces can be ensured, and the linkage of the five shrimp shell pieces is realized;

The hinge 1 further comprises a rotating mechanism 1b, a rotating limiting mechanism and a second crescent connecting module 1f, wherein the rotating mechanism 1b is respectively used for connecting a second shrimp shell piece 12 with an upper shell mold piece 2 and rotationally connecting a third shrimp shell piece 13 with a lower shell mold piece 3, the rotating limiting mechanism is installed on the first shrimp shell piece 11, and is also provided with a meshing part which is matched with the rotating mechanism 1b to realize synchronous rotation of the upper shell mold piece 2 and the lower shell mold piece 3, a torque force is provided for rotation of the hinge 1 and a meshing part which plays a limiting role are further arranged between the two synchronous rotation parts, simultaneously the two synchronous rotation parts are rotationally connected to two second block crescent protruding pieces 1f2 corresponding to the second crescent connecting module 1f, the two second crescent protruding pieces are rotationally connected with a second block crescent groove piece 1f1 installed on the first shrimp shell piece 11, and the angle of the two synchronous rotation parts is controlled by utilizing the matching of the second crescent protruding pieces 1f2 and the second block crescent groove piece 1f 1.

Further, when the hinge 1 rotates, the distances and angles between the rotating components in the three rotating mechanisms of the first synchronous rotating mechanism 1a, the second synchronous rotating mechanism 1c and the rotating mechanism 1b are automatically adjusted, and when the hinge 1 is closed, the rotating components in the three rotating mechanisms are folded towards corresponding shrimp shell pieces, so that the inner space of the hinge 1 is saved.

Further, the first lunar connection module 1d is provided with a plurality of first lunar connection modules 1d, each first lunar connection module 1d is composed of a plurality of first block-shaped crescent convex parts 1d2 installed on the second shrimp shell piece 12 and the upper third shrimp shell piece 13 and first block-shaped crescent groove parts 1d1 installed on the fourth shrimp shell piece 14 and the fifth shrimp shell piece 15, and the first lunar connection module 1d and the second lunar connection module 1f are installed with the corresponding shrimp shell pieces, so that stable rotation relation and rotation path between the shrimp shell pieces are kept.

Further, the rotation limiting mechanism 1e comprises a Y-shaped fixing boss 1e2 fixedly installed on the first shrimp shell piece 11, two sides of the top of the Y-shaped fixing boss 1e2 are symmetrically provided with fins 1e1 for synchronous rotation through two third rotation central shafts 1e3, one ends of the two fins 1e1 are meshed with each other through racks arranged to form a meshing part, a pin shaft for connecting the fins 1e1 is rotationally connected with the second lunar lobe piece, meanwhile, the other ends of the two fins 1e1 are respectively connected with sliding grooves formed in the upper shell mounting piece groove 201 and the lower shell mounting piece groove 301 through pin shafts in a sliding mode, when the upper shell piece 2 and the lower shell piece 3 are pulled, acting force acts on the shrimp shell piece, as the two third rotation central shafts 1e3 are rotationally provided with the fins 1e1, and the two third rotation central shafts 1e3 are respectively installed on two sides of the top of the Y-shaped fixing boss 1e2, the two fins 1e1 can respectively pull the upper shell piece 2 and the lower shell piece 3 through pin shafts, or the two fins 1e3 are respectively pulled by the pin shaft, and the two fins 1e1 are well meshed with each other, and the two shells can be better held by a mechanical device when the two shells are pulled by the two pieces and the two shells are well matched with each other, and the two pieces of a mechanical device can be well held by a user.

Further, the first synchronous rotating mechanism 1a comprises a first fixing boss 1a1 fixedly installed at the middle part of the inner side of the first shrimp shell piece 11 through a screw, a first rotating central shaft 1a2 is connected in a smooth fit manner in a groove at the top of the first fixing boss 1a2, one end of the first rotating central shaft 1a2 is coaxially sleeved with two first connecting pieces 1a4, and one ends of the two first connecting pieces 1a4 are rotatably connected with two first fixing support frames 1a3 respectively installed on the second shrimp shell piece 12 and the third shrimp shell piece 13 through pin shafts.

Further, the rotating mechanism 1b comprises two second rotating mechanism seats 1b2 which are respectively connected with the inner sides of the second shrimp shell piece 12 and the third shrimp shell piece 13 through screws, the two second rotating mechanism seats 1b2 are respectively connected with a first rotating mechanism seat 1b1 in a rotating mode through pin shafts which are connected in a penetrating mode, arc-shaped through holes for rotating and sliding of the pin shafts are formed in the connection positions of the tops of the first rotating mechanism seats 1b1 and the pin shafts, and meanwhile the bottom ends of the two first rotating mechanism seats 1b1 are respectively installed on the fourth shrimp shell piece 14 and the fifth shrimp shell piece 15 through screws.

Further, the first crescent slot 101 is fixedly installed at the two ends of the inner sides of the upper shell mold 2 and the lower shell mold 3 through screws, the two second crescent slots 102 are fixedly installed at the middle of the inner sides of the upper shell mold 2 and the lower shell mold 3 through screws, the first crescent slot 101 and the second crescent slot 102 which are positioned at the inner sides of the upper shell mold 2 are respectively matched and connected with the first crescent boss 104 and the second crescent boss 105 which are fixedly arranged at the outer sides of the fourth shrimp shell mold 14, synchronous rotation of the fourth shrimp shell mold 14 and the upper shell mold 2 is achieved, and the first crescent slot 101 and the second crescent slot 102 which are positioned at the inner sides of the lower shell mold 3 are respectively matched and connected with the first crescent boss 104 and the second crescent boss 105 which are fixedly arranged at the outer sides of the fifth shrimp shell mold 15, so that synchronous rotation of the lower shell mold 3 and the fifth shrimp shell mold 15 is achieved.

Further, a liquid crystal display screen is installed on the inner side of the upper shell mold 2, a keyboard is installed on the inner side of the lower shell mold 3, and a flexible display screen is installed on the outer sides of the upper shell mold 2 and the lower shell mold 3, so that the flexible display screen can be installed on the outer sides of the upper shell mold 2 and the lower shell mold 3, and double-screen display of the electronic equipment is realized.

Further, when the first shrimp shell 11, the second shrimp shell 12, the third shrimp shell 13, the fourth shrimp shell 14 and the fifth shrimp shell 15 realize rotation through the first synchronous rotating mechanism 1a, the second synchronous rotating mechanism 1c, the first lunar connection module 1d, the rotating mechanism 1b and the rotation limiting mechanism 1e, each shrimp shell rotates around the center, the total length of the position of the attached flexible screen after each shrimp shell is unfolded and closed is unchanged, and the tension and the pressure applied to the flexible screen in the moving process are reduced.

Specifically, when the electronic equipment needs to be opened, the upper shell module 2 and the lower shell module 3 are pulled first, firstly, the upper shell module 2 and the lower shell module 3 synchronously rotate by taking the first shrimp shell piece 11 as the center, synchronous linkage is realized through a rotating mechanism 1B, the rotating upper shell module 2 and the lower shell module 3 can also synchronously displace with a first lunar boss 104 and a second lunar boss 105 which are fixedly arranged on the outer sides of a first shrimp shell piece 11 of a hinge part 1 respectively through a first lunar groove 101 and a second lunar groove 102, so that the two fins 1e of the rotating limiting mechanism 1e are in sliding connection along a sliding groove formed on an installation piece 103 of the upper shell module 2 and the lower shell module 3, the upper shell module 2 and the lower shell module 3 can synchronously rotate by taking the first shrimp shell piece 11 as the center, simultaneously, the rotating mechanism 1B realizes synchronous linkage, the rotating upper shell module 2 and the lower shell module 3 can also synchronously displace with the first lunar boss 104 and the second lunar boss 105 which are fixedly arranged on the outer sides of a fourth shell piece 14 and a fifth shrimp shell piece 15 respectively through a first lunar groove 101 and a second lunar groove 102, the first lunar boss 14 respectively, so that the fourth shell piece 14 and the fifth shell piece 14 respectively can be connected with a first lunar shell piece 14 and a second shrimp shell piece 15 respectively, a and a second shrimp shell piece 14 respectively can simultaneously realize synchronous linkage with a second lunar shell piece 14c and a second shrimp piece 14 and a second shrimp piece 1c, and a first and a fifth shrimp piece 14c, a second shrimp piece 14c, and a second shrimp piece 14c and a second shrimp piece 1 respectively, and a third shrimp piece 1 and a so as to realize a synchronous coupling, the protruding piece at one end of the first block-shaped crescent protruding piece 1d2 is in sliding fit with the tooth groove piece of the first block-shaped crescent groove piece 1d1, two protruding pieces at the top of the second block-shaped crescent protruding piece 1f2 are respectively in sliding fit with crescent grooves of the two second block-shaped crescent groove pieces 1f1, a certain limiting and synchronous effect can be achieved on the hinge, the second shrimp shell piece 12 and the third shrimp shell piece 13 are driven to synchronously rotate around the respective centers, meanwhile, the second shrimp shell piece 12 and the third shrimp shell piece 13 which rotate are driven to synchronously open due to the fact that the first rotating central shaft 1a2 is arranged in a groove at the top of the first fixing boss 1a1 in a sliding fit mode, the two first connecting pieces 1a4 of the first synchronous rotating mechanism 1a drive the first fixing bearing frame 1a3 through the pin shafts, the second shrimp shell piece 12 and the third shrimp shell piece 13 are respectively driven to rotate around the respective center points through the two first fixing bearing frames 1a3, and the equipment can be normally used for opening the equipment.

The supplementary explanation is that: when the device is opened or closed, the total length of the outer sides of the first shrimp shell piece 11, the second shrimp shell piece 12, the third shrimp shell piece 13, the fourth shrimp shell piece 14 and the fifth shrimp shell piece 15 is unchanged, and the outer sides are always smooth and support the flexible screen.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.