CN110397668A - Transmission component, linkwork and Folding display device with damping function - Google Patents

A kind of transmission component with damping function, including a pair of of the first axle body, at least a pair of the second axle body being placed between the first axle body, first to fourth clamping plate being sheathed on the first axle body and the second axle body, at least four gears gone up and be mutually twisted between first and second described clamping plate, the spring that is sheathed on the first axle body and it is divided between described second and third clamping plate and between the third and the 4th clamping plate two groups of damping blocks clamped outside a first axle body and a second axle body respectively, the first axle body is fixed with gear thereon and not can be rotated, the second axle body can be relatively rotated with gear thereon；The application also provides a kind of linkwork and Folding display device.

Transmission component, linkwork and Folding display device with damping function

Technical field

This application involves communication electronics field, espespecially a kind of transmission component with damping function, linkwork and folding are aobvious Showing device.

Background technique

With the development of Folding screen technology, folds screen mobile phone and have become hot spot technology.Although and Folding screen can with bending, But still cannot achieve 180 degree bending, not so dogleg section can damage screen there is still a need for certain angle R is kept.And it is existing Folding mode is divided into infolding and is folded outward, i.e., screen is in inner or outer side after folding, and the Mate X issued such as Huawei is to be folded outward, But the problem of being folded outward is that screen is in exposed state, is easy to be scratched by hard object, and Folding screen is more fragile.

Currently, each cell phone manufacturer has applied for fold mechanism, but structure is complicated for major part, and spare part is too many, passes through folding Lamination and the linkage of complexity realize that the angle R of Folding screen folds, and protection Folding screen is not damaged.But mechanism and component Complexity causes the unstable of folding, is easy error.

Summary of the invention

In consideration of it, it is necessary to provide a kind of transmission component with damping function, linkwork and Folding display device, it is described Transmission component can be such that the Folding display device equilibrium folds to protect relatively fragile Folding screen, while in the transmission component Upper setting damping block, realizes the positioning of any folding position.

In order to solve the above technical problems, this application provides a kind of transmission component with damping function, including a pair first Axis body, is sheathed on the first axle body and the second axle body at least a pair of the second axle body being placed between the first axle body First to fourth clamping plate, it is upper between first and second described clamping plate and be mutually twisted at least four gears, be located at it is described Between second and third clamping plate and the spring that is sheathed on the first axle body and between the third and the 4th clamping plate point Two groups of damping blocks clamped outside a first axle body and a second axle body respectively, the first axle body are fixed with gear thereon Not can be rotated, the second axle body can be relatively rotated with gear thereon, the damping block include block block, be formed in described in Block both ends and respectively the first card slot and the second card slot with the first axle body and the second axle body difference clamping, the first axle Body can rotate in first card slot, and first card slot applies resistance to the first axle body, the second axle body and institute It is fixed without can be rotated to state the second card slot.

Preferably, first, second axis body corresponds to and is equipped with damping block mounting portion at the damping block position, and described first The damping block mounting portion of axis body is circular configuration, and the damping block mounting portion of the second axle body is at least provided with two clamping planes.

Preferably, it is equipped with several recess portions in first card slot, forms protrusion between the recess portion, first card slot The radius that protrusion constitutes inscribed circle is less than the radius of the damping block mounting portion of the first axle body, and first card slot passes through described Protrusion applies resistance to the first axle body.

Preferably, the outer end of first card slot and second card slot, which is formed, is open, the first axle body and the second axis Body is caught in first, second card slot by the opening.

Preferably, it is correspondingly provided with the center of circle on first to fourth clamping plate and is in collinear several axis holes, described One, the second axle body is sheathed in the axis hole, and the second axle body is side by side between two the first axle bodies.

In order to solve the above technical problems, present invention also provides a kind of linkwork, including aforementioned drive component, sliding block and Both ends are fixed and are cut with scissors with the first axle body and the hinged drive rod of the sliding block, the drive rod and the first axle body respectively, The drive rod and sliding block rotation are hinged.

Preferably, the sliding block includes base portion, protrudes the positive stop strip extended to form from the base portion both lateral sides and be set to Described base portion one end and the hinged hinged end of the drive rod.

In order to solve the above technical problems, present invention also provides a kind of Folding display device, including aforementioned hinge mechanism, One, the second folded sheet and back-cover, the sliding block sliding are limited on first, second folded sheet, first, second axis body Both ends be respectively limited by the back-cover.

Preferably, first, second folded sheet, which corresponds to, is equipped with slide way mechanism, the slide way mechanism at the slide position Including two convex blocks being set side by side, the sliding slot being opened between described two convex blocks and it is opened in the convex block and is located at the cunning The limiting slot of one side bottom of slot, the sliding block sliding are limited in the sliding slot, and the positive stop strip of the sliding block is limited in the limit In the slot of position.

Preferably, the back-cover includes caping, the first, second lid side extended to form from the caping two sides and passes through institute The back-cover cavity that caping and two lid side walls are set as is stated, the back-cover cavity is equipped at least a pair first in the longitudinal direction and supports Wall, the both ends of first, second axis body are limited on the pair of first supporting walls.

Preferably, the first, second lid side correspondence of the back-cover is offering first between first supporting walls Bit-avoiding slot, the drive rod cross over first bit-avoiding slot, and first bit-avoiding slot provides rotation space for the drive rod.

The application transmission component is set at least two second axis between the first axle body by two the first axle bodies and at least Body, and the gear being mutually twisted is set on first, second axis body, it is balanced to realize that two the first axle bodies are realized in rotation It is synchronous, meanwhile, damping block is set on first, second axis body, realizes the positioning of any folding position.

Detailed description of the invention

The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.

Fig. 1 is the perspective view of the application communication apparatus；

Fig. 2 is the stereogram exploded view of the application communication apparatus；

Fig. 3 is the perspective view of the application Folding display device；

Fig. 4 is the perspective view of the back-cover of the application Folding display device；

Fig. 5 is the folded sheet of the application Folding display device and the perspective view of lifter plate；

Fig. 6 is that the application linkwork and elevating mechanism are installed on the perspective view in the back-cover；

Fig. 7 is that the application linkwork and elevating mechanism are assembled in the perspective view on the folded sheet；

Fig. 8 is the perspective view of the application linkwork；

Fig. 9 is the sliding block of the application linkwork and the perspective view of axis；

Figure 10 is the perspective view of the transmission component of the application linkwork；

Figure 11 is the stereogram exploded view of the transmission component of the application linkwork；

Figure 12 is the front view of the damping fin of the transmission component of the application linkwork；

Figure 13 is the cross-sectional view along A-A dotted line shown in Figure 10；

Figure 14 is the stereogram exploded view of the application elevating mechanism；

Figure 15 is the perspective view of the lifting part of the application elevating mechanism；

Figure 16 is the perspective view of the cursor of the application elevating mechanism；

Figure 17 is the perspective view that the application Folding display device is in folded state；

Figure 18 is that the linkwork of the application and elevating mechanism are in the cooperation figure under folded state with the back-cover；

Figure 19 is the cross-sectional view along B-B dotted line shown in Figure 17.

Specific embodiment

To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.

Referring to FIG. 1 to 3, the communication apparatus of the application includes the first, second folded sheet 11,12, is located at institute emphasis It states the lifter plate 50 between the first, second folded sheet 11,12, be fixed on the hinged of 11,12 outside of the first, second folded sheet Mechanism 40 and elevating mechanism 60, be installed on 11,12 outside of the first, second folded sheet and with the linkwork 40 and lifting Back-cover 20, the first, second shell 31,32 and the folding for being mounted on 11,12 inside of the first, second folded sheet that mechanism 60 connects 80 (as shown in figure 19) of folded screen.

Please continue to refer to shown in Fig. 4, Fig. 6, the back-cover 20 includes caping 21, extends to form from 21 two sides of caping First, second lid side 22,23 and the back-cover cavity 24 being set as is enclosed by the caping 21 and two lid sides 22,23.The caping 21 constitute arc-shaped outer surface with the outer surface of first, second lid side 22,23.The back-cover cavity 24 in the longitudinal direction according to It is secondary to be equipped with a pair of first supporting walls, 251, two pair of second supporting walls 261 and a pair of first supporting walls 251.In the specific implementation, most It is few that a pair of first supporting walls 251 or a pair of second supporting walls 261 are set, on first supporting walls 251 and the second supporting walls 261 Equipped with several axis holes.There are gaps between a pair of first supporting walls 251 supports for installing the linkwork 40, a pair second There are certain intervals for installing the elevating mechanism 60 between wall 261.

The two lid sides 22,23 between a pair of first supporting walls 251 offer the first bit-avoiding slot 253, the lid respectively The two sides that side 22,23 is located at first bit-avoiding slot 253 are recessed respectively is formed with subsidence part 254.Positioned at 22,23 points of the lid side The second bit-avoiding slot 263, the second bit-avoiding slot 263 of described two lid sides 22,23 Dui Ying not be equipped between a pair of second supporting walls 261 It shifts to install, i.e., two the second bit-avoiding slots 263 are respectively close to one of them the second supporting walls 261.

Please continue to refer to shown in Fig. 2, Fig. 5, Fig. 7, the lifter plate is equipped between first, second folded sheet 11,12 50, the end of first, second folded sheet 11,12 is opposite to extend to form the extension 15 for surrounding the lifter plate 50.It is described First, second folded sheet 11,12 is equipped with slide way mechanism 13 at corresponding 40 position of linkwork, and the slide way mechanism 13 includes Two convex blocks 131 being set side by side, the sliding slot 133 being opened between described two convex blocks 131 and it is opened in the convex block 131 In the limiting slot 134 of 133 1 side bottom of sliding slot.First, second folded sheet 11,12 corresponding described elevating mechanism 60 It sets place and is equipped with position-limit mechanism 14.The position-limit mechanism 14 includes protruding to extend from 11,12 surface of first or second folded sheet Two limit films 141, the accommodation space 143 between two limit films 141, separate 50 side of lifter plate company formed The curved channel 144 for connecing the connection sheet 142 of described two limit films 141 and being opened in two limit films 141.Two limit films Curved channel 144 on 141 is symmetrical arranged, and the curved channel 144 is extending to described the close to 50 side of lifter plate One or 11,12 surface of the second folded sheet.The connection sheet 142 helps to enhance the intensity of described two limit films 141.Two limits Position mechanism 14 respectively corresponds at two 263 positions of the second bit-avoiding slot of the back-cover 20.

Please continue to refer to shown in Fig. 7 to Figure 13, the linkwork 40 include sliding block 41, transmission component 43 and with the cunning Block 41 and transmission component rotate hinged drive rod 42 respectively.The sliding block 41 is matched with the sliding slot 133 between two convex blocks 13 Interior, the sliding block 41 includes base portion 411, from 411 both lateral sides of base portion protrusion extends to form and be limited in the limiting slot 134 Interior positive stop strip 412 and the hinged end 413 set on described 411 one end of base portion.The drive rod 42 is including the body of rod 421 and is set to institute State the hinged end 423,424 at 421 both ends of the body of rod.The generally curved warp architecture of the body of rod 421, and in 421 court of the body of rod Arc avoiding area 422 is formed to 50 side of lifter plate, the setting of the arc avoiding area 422 helps to increase by two bodies of rod Space width between 421 be handed over internal Folding screen 80 (as shown in figure 19) can with bigger R and be folded, reduces to folding The technical difficulty requirement of screen 80.

The transmission component 43 includes a pair of of the first axle body 44, a pair of of the second axle body between a pair of of the first axle body 44 45, first to fourth clamping plate 481,482,483,484 that is successively sheathed on first, second axis body 44,45 is sheathed on institute State on the first, second axis body 44,45 and be held between first, second clamping plate 481,482 four gears 46, be sheathed on On the first axle body 44 and the spring 49 that is held between second, third described clamping plate 482,483 and it is held on described first On axis body 44 and the second axle body 45 and it is located at the 3rd the 4th clamping plate 483, the damping block 47 between 484.Described first, the 4th clamping plate 481,484 outside is equipped with the fastener 485 that is fixed on the second axle body 45 to prevent described first, the 4th clamping plate 481, 484 fall off from the first or second axis body 44,45.First, second axis body 44,45 is respectively equipped with first end 441, 451 and the second end 444,454, the corresponding gear 46 of first, second axis body 44,45 is arranged position equipped with gear installation The gear mounting portion 442 in portion 442,452, the first axle body 44 is irregular shape, and preferably rectangular, the gear 46 is arranged When on the first axle body 44, the gear 46 is relatively fixed without can be rotated with the first axle body 44；Second axis The gear mounting portion 452 of body 45 is circle, and when the gear 46 is sheathed on the gear mounting portion 452, the gear 46 can It is rotated around the second axle body 45.

Emphasis refering to fig. 12, shown in Figure 13, it is two groups that the damping block 47, which is divided to, and every group clamps a first axle body 44 respectively With a second axle body 45.Each damping block 47 includes block 471 and the first card slot 472 for being formed in 471 both ends of block With the second card slot 473.First card slot 472 is fastened on the first axle body 44, and second card slot 473 is fastened in described On the second axle body 45, first, second axis body 44,45 is equipped with damping block mounting portion 443 at corresponding 47 position of damping block, 453.The damping block mounting portion 443 of the first axle body 44 is circular configuration, the damping block mounting portion 453 of the second axle body 45 At least provided with two clamping planes.First card slot 472 can be rotated relative to the first axle body 44, second card slot 473 is relatively fixed rotatable with the second axle body 45.Several recess portions 474 are equipped in first card slot 472, i.e., described the One card slot 472 is substantially square structure, and several raised (not labeled), first card slot 472 are formed between the recess portion 474 Inscribed circle radius be less than the first axle body 44 damping block mounting portion 443 radius, in first card slot 472 around institute When stating the rotation of damping block mounting portion 443 of the first axle body 44, elastic-friction power is provided, realizes the positioning strength of any position.Institute The outer end for stating the first card slot 472 and second card slot 473 forms opening (not labeled), the first axle body 44 and the second axle body 45 are caught in first, second card slot 472,473 by the opening.

The first axle body 44 of the linkwork 40 and the first, second end 441,451 of the second axle body 45 position respectively In on two the first supporting walls 251 of the back-cover 20.The drive rod 42 across the back-cover 20 the first bit-avoiding slot 253 and Rotation.Hinged end 423 positioned at the drive rod 42 of 11,12 side of the first, second folded sheet is hingedly connected to two the first axle bodies 44 inside of first end 441, the hinged end 423 of the drive rod 42 and the mutual fixation of the first axle body 44 and can not Rotation.

For the linkwork 40 of the application in running, first, second folded sheet 11,12 mutually folds or expansion, band It moves the sliding block 41 to move in the sliding slot 133, and the rotation of drive rod 42 is thus made to drive described 44 turns of the first axle body Dynamic, the rotation of the first axle body 44 rotates gear 46 thereon and conducts to the gear 46 on the second axle body 45 to rotate, and First card slot 472 of the damping block 47 provides elastic strength to the first axle body 44 to hinder turning for the first axle body 44 It is dynamic, realize the positioning of any position in rotation process.The spring 49 provides elastic force and suppresses the gear 46 and the damping Block 47 is not to rotate stuck.

First, second axis body 44,45 is set side by side, and is driven by the occlusion of four gears 46, can reduce institute The diameter for stating gear 46 keeps the linkwork 40 thinner；Thus, it is possible to 6,8 gears are set according to situation, The occlusion transmission of preferably 4 gears.

In the specific implementation, if not considering the thickness of the linkwork 40, the linkwork 40 can be omitted second Two the first axle bodies 44 are only arranged in axis body 45, are engaged transmission by two gears 46 on two the first axle bodies 44.

The application linkwork 40 can connect the first, second folded sheet 11,12, make the exhibition of the first, second folded sheet 11,12 It opens or folds through the transmission component 43 of the linkwork 40 and realize, and be engaged first, second respectively by damping block 47 Axis body 44,45 is supplied to the first axle body 44 to the resistance of anti-rotating, realizes the folding of Folding display device any position.

Please continue to refer to shown in Figure 14 to Figure 16, the elevating mechanism 60 includes that longitudinal both ends are equipped with first rotating shaft 612 Pedestal 61, couple with the first rotating shaft 612 lifting part 63, with it is described lifting part 63 link driving wheel 64 and with the biography The driving member 66 that driving wheel 64 links.The bottom of the pedestal 61 and the lifter plate 50 are fixed on one.The lifting part 63 wraps Include strip shape body 631, set on 631 one end transverse direction side of strip shape body first gear 633 and to be opened in the strip shape body 631 remote Strip-shaped hole 632 from described 633 one end of first gear, the strip-shaped hole 632 are sheathed on the first of 61 lateral outer side of pedestal In shaft 612.Two radiuses of the driving wheel 64 including the second shaft 641 and set on described second shaft, 641 one end are different Second, third gear 643,642, second, third described 643,642 and the second shaft 641 of gear is structure as a whole, described The radius of two gears 643 is less than the radius of the third gear 642, and the second gear 643 is stung with the first gear 633 It closes.The driving member 66 includes main part 661, the first, second union end 663,664 for being formed in 661 both ends of main part And it is formed in the 4th gear 665 of 664 lateral outer side of the second union end.The main part 661 is presented and the hinged machine The consistent arc-shaped bend structure of drive rod 42 of structure 40, and formed and the arc of the drive rod 42 on the inside of the main part 661 The consistent arc in shape avoiding area 422 keeps away bit space 662.4th gear 665 is engaged with the third gear 642.The lift Rising mechanism 60 further includes passing through the third shaft 65 of the axis hole (not labeled) of the 4th gear 665 of the driving member 66, and described the Three shafts 65 are also inserted into the axis hole (not labeled) of the first gear 633 of the lifting part 63.The first of the driving member 66 It connecing and is laterally equipped with the 4th shaft 67 on end 664, the 4th shaft 67 is fixed on first, second folded sheet 11,12 It can rotate in the curved channel 144 of position-limit mechanism 14 and around the curved channel 144.Second shaft 641 and third shaft 65 are individually fixed on the second supporting walls of a pair 261 of the back-cover 20 far from described 61 one end of pedestal.The two of the pedestal 61 Side is symmetrically arranged with the lifting part 63, driving wheel 64 and driving member 66.

Two second bit-avoiding slots of the driving member 66 across relative dislocation between the second supporting walls 261 of the back-cover 20 263。

For emphasis refering to shown in Fig. 6, Figure 18, Figure 19, the operation principles of the lifting mechanism 60 are as follows:

When first, second folded sheet 11,12 expansion, arc groove of the driving member 66 around the position-limit mechanism 14 Road 144 rotates, and the 4th gear 665 on the driving member 66 drives the third gear 642 of the driving wheel 64 to rotate, and described The second gear 643 of 642 one of third gear drives the first gear 633 of the lifting part 63 to rotate, the first gear 633 Rotation so that the lifting part 63 is uprightly located at the bottom of the strip-shaped hole 632 to the first rotating shaft 612, the rotation of continuation into And make the lifting part 63 continue to rise and increase the pedestal 61, finally drive the lifter plate 50 to rise, i.e., the described liter It is mobile for rising towards separate 20 direction of back-cover that plate 50 is dropped.When being fully deployed, the lifter plate 50 risen to described first, Second folded sheet 11,12 is concordantly to support the Folding screen 80 under unfolded state.

Conversely, the decline of lifter plate 50 is towards close to the back-cover when first, second folded sheet 11,12 folds 20 directions are mobile to avoid the fold domain 82 of the Folding screen 80 with Folding screen 80 described in anti-extrusion.

The rotation path that curved channel 144 on the position-limit mechanism 14 controls the driving member 66 meets the Folding screen 80 optimal folding path, and the longitudinal two sides of the pedestal 61 set-point is symmetrically lifted part 63, driving wheel 64 and driving member 66, First, second folded sheet 11,12 can be made to fold or be unfolded with balanced speed, i.e. the first folded sheet 11, the second folded sheet 12 either sides fold or expansion certain angle, and the other side can similarly realize that folding or expansion are same by the lifting mechanism 60 Angle.

The lifting mechanism 60 of the application, when folding, moves back the lifter plate 50 also by way of lifter plate 50 is arranged 20 side of back-cover is gone back to avoid Folding screen 80, and upon deployment, the lifter plate 50 rises to and first, second folded sheet 11,12, concordantly to support the Folding screen 80, it is long to be solved perfectly internal and external cambered surface caused by 80 deployment lifting process of Folding screen The faint variation of degree and the problem of crush easily.

Please continue to refer to shown in Figure 17 to Figure 19, after the Folding display folding device of the application, pass through the lifter plate 50 Cover support with keep away position make a concession be the Folding screen 80 space needed for folding or expansion process is provided.And after folding, institute The driving member 66 of the drive rod 42 and the elevating mechanism 60 of stating linkwork 40 forms arc avoiding area 422 in relative inner Bit space 662 is kept away with arc, increases the space between a pair of of drive rod 42 and a pair of of driving member 66, when the Folding screen 80 folds Afterwards, the fold domain between the drive rod 42 and the driving member 66 is folded into drops structure 82, and is located at described the One, then fitting forms sticking part 81 to the part between the second folded sheet 11,12 completely.The setting of the drops structure 82, can To increase the angle R of the Folding screen 80, the technical difficulty of Folding screen 80 is reduced, cooperates the lifter plate 50, can accomplish rolling over When folded display device folds completely, the consistency of thickness of back-cover 20 side and open end of Folding display device 80, is not in one Side is thick, the thin situation in side.

The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal Replacement, improvement etc., should be included within the scope of the claims of this application.