CN209691265U - Flexible board and Folding display device - Google Patents

Abstract

A kind of flexible board, including elastic base plate and the metal covering being shaped in above the elastic base plate, the metal covering includes the first, second plate portion positioned at the elastic base plate two sides and several strip shape bodies between first, second plate portion, gap is equipped between the strip shape body, the gap is filled by the elastic base plate, and the upper surface of the elastic base plate is concordant with the upper surface of the metal covering；The application further includes a kind of Folding display device.

Description

Flexible board and Folding display device

Technical field

This application involves communication electronics field, espespecially a kind of flexible board and Folding display 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.

No matter being folded outward or infolding, problem to be solved being, how to guarantee Folding screen in bending, how is bending mechanism At this moment the angle R radian needed for adapting to screen dogleg section can generate the shortening of slight distance on the inside of Folding screen bending part, and roll over Folded screen outside can generate the extension of slight distance, at this point, the component for being close to the Folding screen has to keep synchronous variation, otherwise Bad screen can be squeezed.And guarantee that the Folding screen back side has support, otherwise hanging screen will cause damage when finger presses.

Utility model content

In consideration of it, the flexible board and the Folding screen are kept it is necessary to provide a kind of flexible board and Folding display device Synchronous bending is without squeezing bad Folding screen.

In order to solve the above technical problems, this application provides a kind of flexible board, including elastic base plate and it is shaped in institute The metal covering above elastic base plate is stated, the metal covering includes positioned at the first, second of the elastic base plate two sides Plate portion and several strip shape bodies between first, second plate portion are equipped with gap, the gap quilt between the strip shape body The elastic base plate filling, the upper surface of the elastic base plate are concordant with the upper surface of the metal covering.

Preferably, the first, second plate portion of the metal covering and the strip shape body are reticular structure, with the bullet Property substrate when being integrally formed, the elastic base plate fills the full reticular structure.

Preferably, the elastic base plate is made of highly elastic material.

Preferably, the elastic base plate is made of silica gel, after the elastic base plate is converted into U-typed state, the bullet The elastic force of property substrate can make the flexible board revert back to flat condition.

Preferably, the metal covering with a thickness of between 0.05-0.2mm, the elastic base plate with a thickness of 0.15- Between 0.3mm.

Preferably, the metal covering with a thickness of 0.1mm, the elastic base plate with a thickness of 0.2mm.

Preferably, the width of the strip shape body is between 0.4-1mm, the gap between the strip shape body be 0.4-1mm it Between.

Preferably, the width of the strip shape body is 0.5mm, the width in gap and the strip shape body between the strip shape body It is identical.

Preferably, the width of the strip shape body upper surface is greater than the width of the strip shape body lower surface, the strip shape body Lower surface is embedded in the elastic base plate.

In order to solve the above technical problems, present invention also provides a kind of Folding display device, including foregoing soft plate, it is described The metal covering side of flexible board is fixed with Folding screen, the left and right sides of the Folding screen respectively with first, second plate Portion's bonding, the Folding screen middle section and the strip body portion are separated from each other without bonding.

The flexible board of the application is integrally formed to form elastic base plate by highly elastic material and metal covering, the metal Covering is layed in the elastic base plate upper surface and is bonded with the Folding screen, the strip body portion of the metal covering not with The fixed fitting of the Folding screen.The elastic base plate provides certain elastic-restoring force to keep flexible board not send out because of folding Raw elastic deformation, and the metal covering uses reticular structure to enhance the binding force between elastic base plate and for the folding Screen provides rigid support.

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 three-dimensional combination figure that the application Folding display device is in unfolded state；

Fig. 2 is that the application Folding display device removes the three-dimensional combination figure after flexible board；

Fig. 3 is the solid that the first, second support plate of the application Folding display device is separated with first, second hinge Figure；

Fig. 4 separates for the first, second support plate of the application Folding display device with first, second hinge rear another The perspective view of angle；

Fig. 5 is the three-dimensional combination figure that the application Folding display device is in folded state；

Fig. 6 is the stereogram exploded view that the application Folding display device is in folded state；

Fig. 7 is the three-dimensional combination figure that the application hinge component is in unfolded state；

Fig. 8 is the cross-sectional view from A-A dotted line shown in Fig. 7；

Fig. 9 is the front view of hinge component shown in Fig. 7；

Figure 10 is the stereogram exploded view and its partial enlarged view of the application hinge component；

Figure 11 is the perspective view and its partial enlarged view of the main shaft of the application hinge component；

Figure 12 is that the application hinge component is in three-dimensional combination figure under folded state；

Figure 13 is the front view of hinge component shown in Figure 12；

Figure 14 is the cross-sectional view of B-B dotted line described in Figure 12；

Figure 15 is that the application flexible board is in the perspective view under unfolded state；

Figure 16 is that the application flexible board is in the front view under unfolded state；

Figure 17 is the partial enlarged view of virtual coil shown in Figure 16；

Figure 18 is that the application flexible board is in the front view under folded state；

Figure 19 is the gear of the application Folding display device and the three-dimensional combination figure of sliding block；

Figure 20 is the gear of the application Folding display device and the three-dimensional combination figure of another angle of sliding block；

Figure 21 is the perspective view of the folding prompt part of the application Folding display device；

Figure 22 is the stereogram exploded view of the folding prompt part of the application Folding display device；

Figure 23 is the hinge and the perspective view of spare part thereon of the application Folding display device；

Figure 24 is the support plate and the perspective view of spare part thereon of the application Folding display device.

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 4, the Folding display device of the application includes hinge component 40, is assembled in the hinge emphasis A pair of of hinge 20 of 40 both lateral sides of chain component is assembled in 40 both lateral sides of hinge component and assembles the pair of conjunction respectively It a pair of of support plate 30 of 20 lower section of page, the flexible board 10 being covered on above the hinge 20 and hinge component 40 and is affixed on described soft Property the top of plate 10 Folding screen (not shown).

Please continue to refer to shown in Figure 15 to Figure 18, the flexible board 10 is including elastic base plate 12 and is shaped in the bullet Property the top of substrate 12 metal covering 11.The elastic base plate 12 is molded with using highly elastic material, such as silica gel.It is described Metal covering 11 includes positioned at the first plate portion 111 of the left and right sides, the second plate portion 112 and being located at first plate portion Strip shape body 113 between 111 and second plate portion 112.The metal covering 11 is formed after being integrally formed with insulating materials The metal covering 11 and the elastic base plate 12 are simultaneously combined as a whole by the elastic base plate 12.

The metal covering 11 with a thickness of between 0.05-0.2mm, preferably 0.1mm.The elastic base plate 12 it is whole Body thickness is 0.15-0.3mm, preferably 0.2mm.The metal covering 11 is concordant with the upper surface of the elastic base plate 12. First, second plate portion 111,112 of the metal covering 11 and strip shape body 113 are reticular structure, with elastic base plate 12 When integrated molding, silica gel material penetrates into the reticular structure of the metal covering.The width of the strip shape body 113 is about 0.4- Between 1mm, preferably 0.5mm.The width that the strip shape body 113 is exposed to 12 upper surface of elastic base plate, which is less than, is embedded in institute The width of 12 side of elastic base plate is stated so that the strip shape body 113 is preferably held with the elastic base plate 12.The strip shape body 113 are filled by highly elastic material.

When the Folding screen being covered on above the flexible board 10 needs to fold, the flexible board 10 is from the strip shape body The centre of 113 regions is middle line bending, forms the folding that Folding screen is completed there are the U-shaped structure at certain angle R, the U The highly elastic material of the elastic base plate 12 of the intrados of type structure generates contraction, and interior arc length shortens, the extrados of the U-shaped structure Strip shape body between highly elastic material generate and stretch to cooperate the folding of the Folding screen.In its natural state, the flexible board After 10 bendings, on condition that an external force is not applied, the elastic base plate 12 can be completed to reset by own resilient, that is, return back to exhibition The flat condition opened.

The flexible board 10 of the application is used to support the folding of Folding screen, passes through 11 one of highly elastic material and metal covering Molding forms elastic base plate 12, and the metal covering 11 is layed in 12 upper surface of elastic base plate and the Folding screen pastes It closes, 113 part of strip shape body of the metal covering 11 is not bonded with Folding screen fixation.The elastic base plate 12 provides one Fixed elastic-restoring force is to keep flexible board that elastic deformation will not occur because of folding, and the metal covering 11 is using netted Structure enhances the binding force between elastic base plate 12 and provides rigid support for the Folding screen.

It please refers to shown in Fig. 7 to Figure 14, the hinge component 40 of the application includes main shaft 41 and several is articulated with the main shaft The hinge item 42 of the hinge item 42 of 41 both lateral sides, two sides is symmetrical.It is combined between the hinge item 42 by hitching post.

Emphasis refering to fig. 10, shown in Figure 11, the main shaft 41 includes the first axle body 411, joggle in the first axle body 411 Two the second axle bodies 412 at both ends and the first articulated section 413 for being formed in described two 412 free ends of the second axle body.

The both ends of the first axle body 411 are equipped with tenon (tongue-and-groove) 4111, and the second axle body 412 is towards the first axle One end of body 411 is equipped with the tongue-and-groove (tenon) 4121 cooperated with the tenon (tongue-and-groove) 4111.The combination of the tenon and tongue-and-groove The first axle body 411 is set not dislocate with the second axle body 412 in transverse direction.411 both ends of the first axle body are in lateral side To assembling space 4112 is formed there through, the first axle body 411 is equipped in the longitudinal direction through the assembling space 4112 A pair of of keyhole 4113, the pair of keyhole 4113 are respectively in the both lateral sides of the assembling space 4112.The pair of keyhole 4113 can run through entire the first axle body 411, and two assembling spaces 4112 can also be extended through from the both ends of the first axle body 411 Form two pairs of independent keyholes 4113.

For emphasis refering to shown in Fig. 9, Figure 10, first articulated section 413 at 41 both ends of main shaft includes a pair positioned at upside Wall portion (not labeled) and the first hinged space 4131 being formed between the pair of wall portion.The both lateral sides of the pair of wall portion Centre be inwardly recessed to form a concave portion 4134, the convex arc structure of protrusion is formed on the outside of the wall portion of the upside of the recessed portion 4134 4132.Keyhole is respectively equipped in both lateral sides in a pair of of wall portion of the both lateral sides in the first hinged space 4131.

The hinge item 42 includes hinge main body 421 and the second articulated section 422 positioned at hinge 421 both ends of main body.Institute The second articulated section 422 is stated to include the first hinged convex block 424 extended to the described first hinged space 4131 protrusion, be set to described the Second hinged space 423 of one hinged 424 opposite side of convex block.The lateral wall end in the second hinged space 423 is respectively formed The convex arc structure 425 of protrusion, the lateral wall in the second hinged space 423 form the concave arc knot of indent towards the main shaft side Structure 426, the concave arc structure 426 are matched with the convex arc structure 425 of adjacent hinge item 42.The convex arc structure of the main shaft 41 4132 match with the concave arc structure 426 of adjacent hinge item 42.It is hinged that the second axle body 412 of the main shaft 41 is located at described second Inwardly excision forms cutout unit 4133 to the lower section of portion 413, the cutout unit 4133 be respectively arranged on the left side and the right side keyhole (it is unlabeled, Refering to shown in Fig. 9), the outer surface of the cutout unit 4133 and the outer surface of first articulated section 413 are located in vertical direction In Different Plane, cutout unit 4133 described herein is not offered as the movement of excision, but refers to and be here formed as sunk structure.

Emphasis is as shown in fig.8, the first axle body 411 of the main shaft 41 and the section of the second axle body 4412 are similar to cup Lid shape protrudes above portion 415 and above the first axle body 411, the second axle body 412 and positioned at institute including protruding upward It states the first inclined-plane 416 of 415 two sides of the portion of protruding above, be formed in the second inclined-plane 418 of 415 both lateral sides of the portion of protruding above, described One inclined-plane 416 and 418 intersection of the second inclined-plane form inner fovea part 417, first inclined-plane 416 and second inclined-plane 418 it Between angle be acute angle.

The width of the trapezoidal structure in section of the hinge main body 421 of the hinge item 42,421 upside of hinge main body is greater than The width of 421 downside of hinge main body, forms rake 428 in hinge 421 two sides of main body as a result,.

First hinged convex block 424 of the hinge articles 42 is placed in the of the main shaft 41 by being assembled into for the hinge component 40 In one hinged space 4131 and the keyhole is inserted by hitching post to fix；The first hinged convex block 424 of remaining hinge item 42 is set again Enter in the second hinged space 423 of mounted hinge item 42 and is fixed by hitching post insertion keyhole.

Emphasis is refering to fig. 12 to shown in Figure 14, when the hinge component 40 folds, the second axle body 412 of the main shaft 41 The first articulated section 413 on convex arc structure 4132 and cut with scissors item 42 the second articulated section 422 on concave arc structure 425 and convex arc knot Structure 424 cooperates.The presence of the rake 428 of hinge 421 two sides of main body of the hinge item 42, makes several hinge main bodys 421 Inner arc length reduction, the gap between the rake 428 becomes smaller；And the first axle body 411 and 412 two sides of the second axle body Two hinge items 42 hinge main bodys 421 be placed on the first inclined-plane 416 of the main shaft 41 without being generated because inner arc becomes smaller Interference.

Please continue to refer to shown in Figure 19, Figure 20, the hinge component 40 of the application further includes the corresponding the first axle body 411 Two pairs of gear linkages 50 of two assembling spaces 4112.The gear linkage 50 include gear end 51, with 51 phase of gear end Pair connecting pin 52, set on 51 periphery of gear end toothing 55 and 41 length direction of main shaft run through the gear The keyhole 53 at end 51.

For emphasis refering to shown in Fig. 3, Figure 10, Figure 11, Figure 19, Figure 20, the installation process of the gear linkage 50 is as follows:

The gear end 51 of two pairs of gear linkages 50 is symmetrically placed in the assembling airborne 4112 of the first axle body 411 Two sides, then a hitching post is inserted into the keyhole 4113 of the first axle body 411, the hitching post passes through the keyhole 4113 and institute The keyhole 53 of gear end 51 is stated so that the gear linkage 50 to be fixed in the assembling space 4112.Wherein, an assembling The toothing 55 of two gear linkages 50 in space 4112 is mutually twisted and opposite can rotate backward.Again by second axis Body 412 is separately assembled to the both ends of the first axle body 411, pass through between the second axle body 412 and the first axle body 411 The tenon and tongue-and-groove are mutually located cooperation；The hinge item 42 is finally assembled in 41 liang of the main shaft by aforementioned assembling mode Side, so that the fixed the first axle body 411 is fixed with the relative position of the second axle body 412 in the longitudinal direction.

The main shaft 41 is divided to be for the reason of three sections of designs (i.e. the first axle body 411 and two the second axle bodies 412), is needed The keyhole 4113 through the assembling space 4112 is opened up on the first axle body 411, and is needed in the second axle body 412 The first articulated section 413 cutout unit 4133 on open up keyhole.For the accuracy for guaranteeing keyhole, should not directly process through described Main body forms the mode of two pairs of keyholes.Certainly, theoretically the main shaft 41 can also be using integrated design, i.e., the described the first axle body 411 are structure as a whole with the second axle body 412, pass through on the length direction of main shaft 41 through the main shaft 41 formation described A pair of of keyhole 4113 of assembling space 4112 is opening up in the cutout unit 4133 under the first articulated section 413 of the main shaft 41 Keyhole of a pair not through the main shaft 41.

40 precision of hinge component of the application is high, and on the basis of main shaft 41, several be located on the outside of the main shaft 41 is arranged Hinge item 42, and cooperated by convex arc structure and concave arc structure, main shaft 41 is arranged the first inclined-plane and allows the hinge main body 421 fold when interior be reduced on first inclined-plane 416 and avoid the occurrence of interference problem and influence precision；The hinge main body 421 Section is arranged to trapezium structure, and when folding, the gap between 421 inside of hinge main body is shrinkable.

Please continue to refer to shown in Fig. 3, Fig. 4, Figure 19 to Figure 24, the Folding display device of the application includes removing the hinge set It further include the sliding block 60 being cooperatively connected with the gear linkage 50, bullet outside part 40, flexible board 10, hinge 20 and support plate 30 Property component 70, torsional spring 38 and several rivets 35,239.

For emphasis refering to shown in Figure 23, the hinge 20 includes the first, second hinge 21,22 of bilateral symmetry design.Each Hinge 21,22 includes board body part 23, a pair of of rivet slot 231 set on 23 middle part of plate body, in the insertion rivet slot 231 Rivet 239, the board body part 23 are located at the first convex block of a pair 233 being downwardly protrude to form on the outside of the rivet slot 231, are formed in The sliding rail 234 of the pair of first convex block, 233 relative inner, positioned at the second convex of 233 outside of the pair of first convex block Block 236, is formed in described second at the mounting groove 24 being opened on second convex block 236 on 20 length direction of hinge The slide plate 237 of 236 outer rim of convex block, the second hinged space 423 set on the 23 both ends side of board body part and with the hinge item 42 The hinged convex block 25 of hinged second.

The rivet slot 231 includes the lower space of recess and blocks occlusion part 232 above the lower space, institute The one end for stating rivet 239 is inserted into the lower space and is limited by the occlusion part 232.The pair of first convex block, 233 edge The width direction of the hinge 20 extends, for installing the sliding block 60 between the pair of first convex block 233.The mounting groove 24 towards 233 1 side opening of the first convex block, and the mounting groove 24 includes the sipes portion 241 of separate open side and is located at described The inside bottom in the narrow slot portion 242 of open side, the narrow slot portion 242 is equipped with fixing groove 243.The hanging shape in 237 lower part of slide plate At gap 238.

Emphasis refering to shown in Figure 24, the support plate 30 include with first, second hinge 21,22 corresponding first, Second support plate 31,32.Each support plate 31,32 includes a pair of of rivet 35 corresponding with the rivet hole 231 of the hinge 20.Position In 35 outside of rivet groove 33 corresponding with the pair of first convex block 233, be located at it is protruding upward on the outside of the groove 33 Raised line 34, positioned at 34 outside of the raised line and with the sliding slot 37 of the slide plate 237 cooperation and be set to 31,32 liang of the support plate On the outside of end and the third hinged with the keyhole in the cutout unit 4133 under first articulated section 413 at 41 both ends of main shaft is hingedly convex Portion 36.

Described 38 one end of torsional spring is fixed on the rivet 239 on the hinge 21,22, and the other end is fixed on the support plate To provide the resistance and thrust of relative movement between the two on rivet 35 on 31,32.The torsional spring 38 is rigid, such as Steel bar distorts.The groove 33 covers on the pair of first convex block 233.34 outside of raised line is once equipped with platform part 341, protruding portion 342 and card slot 343, the platform part 341 run through the raised line 34 towards 40 side of hinge component, the card slot 343 depth is not less than the depth of the platform part 341.Sliding slot seam 371, the hinge 21,22 are equipped among the sliding slot 37 Slide plate 237 be caught in sliding slot seam 371 and move.

For emphasis refering to fig. 1 shown in 9, Figure 20, the sliding block 60 includes slider body 61, on the slider body 61 Limiting slot 62 extends and the sliding rail with the pair of first convex block, 233 bottom from 61 two sides of the bottom of slider body 234 cooperation sliding flange 63, be opened in 62 periphery of limiting slot recess platform 65 and with the gear linkage 50 The interconnecting piece 64 that connecting pin 52 is rotatablely connected.

Please emphasis refering to shown in Figure 21, Figure 22, the elastic parts 70 includes the shell 71 of internal run-through, from the shell 71 one end are inserted into and are partially exposed to the bracket 73 of 71 other end of shell, are fixed on the bracket 73 and be located at the shell Wheel 74, rear cover 72 outside 71 and the spring 75 being held between the rear cover 72 and the bracket 73.The shell 71 is laterally Two sides outwardly protrude to form fixed block 713, and the both lateral sides relative to 713 other end of fixed block are stamped and formed out card outward Hook 712.The bracket 73 includes being exposed to outside described 71 one end of shell be used to hold the exposed portion 732 of the wheel 74, be stuck in Built-in portion 731 in the shell 71 and from the built-in portion 731 extend rearwardly to form for being arranged the bullet of the spring 75 Spring column 733.The rear cover 72 includes the crossbeam 721 for covering 71 rear end of shell, from 721 both ends of crossbeam towards the shell The buckle 722 that 71 bending of body extends to form and the button hole 723 being opened on the buckle 722.

The assembling of elastic parts 70 is fixed in the mounting groove 24 of the hinge 21,22, and assembling steps are as follows:

The rear cover 72 is first placed in 241 rear end of sipes portion of the mounting groove 24；By the bracket 73 from the shell 71 one end are inserted into and the other end for making the exposed portion 732 of the bracket 73 extend the shell 71 is exposed to the wheel 74 The other end of the shell 71；The spring 75 is sheathed on the spring stack 733 again；Again by the shell 71 from the peace The open side of tankage 24 is inserted into, and the fixed block 713 is made to be inserted into the fixing groove 243 of 242 bottom of narrow slot portion of the mounting groove 24 It is interior.The spring 75 is compressed, and the button hole 723 of the rear cover 72 is caught on the 71 two sides hook 712 of shell fixed.

After the Folding display folding device of the application as shown in Figure 5, Figure 6.

It please refers to shown in Fig. 1 to Figure 24, the assembly method of the Folding display device of the application is as follows:

First the hinge component 40 is assembled as aforementioned；The elastic parts 70 is assembled into the hinge as aforementioned again In 21,22 mounting groove 24, the sliding block 60 being connected on the gear linkage 50 is inserted into the pair of first convex block 233 Sliding rail 234 in, and be fixed on the hinge 21,22 after passing through the limiting slot 62 of the sliding block 60 by a rivet 66 On, the rivet 66 is embedded in the recess platform 65 of 62 periphery of limiting slot, makes the upper surface of the rivet 66 without departing from described The upper surface of sliding block 60；One end of the torsional spring 38 is fixed on the rivet 35 of the support plate 31,32；By the torsional spring 38 The other end be fixed on the rivet 239 of the hinge 21,22.The hinge 21 (22) and the support plate 31 (32) are buckled again It is combined, i.e., the slide plate 237 of the described hinge 21 (22) is inserted in parallel into the sliding slot seam 371 of the support plate 31 (32).Finally, The assembly of two pairs of hinges 21 (22) and support plate 31 (32) is separately assembled to 40 both lateral sides of hinge component, Described in hinge 21 (22) the second hinged convex block 25 be articulated with it is described hinge item the second hinged space 423 in, the support plate The hinged convex block 36 of the third of 31 (32) is articulated on the keyhole of the cutout unit 4133 of 413 lower section of the first articulated section of the main shaft 41 Complete assembling.

The operation principles of the Folding display device of the application are as follows:

When the hinge component 40 is in unfolded state, the hinge 21,22 is in level with the hinge component 40 With Folding screen described in planar support on face, the metal covering 11 on the flexible board 10 is connected to below the Folding screen, this When, in the platform part 341 of the raised line 34 that is connected to the support plate 31,32 of wheel 74 of the elasticity group 70；The torsional spring 38 Retentivity between the hinge 21,22 and the support plate 31,32 is provided, the hinge 21,22 and the support plate 31 are made, 32 opposite slide is less likely to occur.When pleated, the mutual ratcheting gear linkage of a pair in the assembling space 412 50 toothing 55, which rotates backward and controls the components of 40 two sides of hinge component, occurs same uniform rotation, described in promotion Sliding block 60 finally makes the wheel 74 of the elastic parts 70 cross the protruding portion to far from 40 side of hinge component movement 342 fall into the card slot 343, while generating the click sound folded in place, and the torsional spring 38 is initially compressed, and is needed larger Folding external force, until the torsional spring 38 between the hinge 21,22 and the rivet 239,35 of the support plate 31,32 away from Reach maximum compressing force when from minimum, is at this time folding resistance；Then, the hinge 21,22 and the support plate 31,32 Rivet 239, the distance between 35 gradually becomes larger, at this point, the torsional spring 38 provides the boosting power folded until completing to fold.

The Folding display device of the application passes through the ingehious design of gear linkage 50, at the uniform velocity controls the hinge component 40 The isostatic movement of the hinge 21,22 of two sides and the support plate 31,32, improves the precision of folding, meanwhile, the gear linkage 50 are assembled in the assembling space 4112 of the main shaft 41, and in unfolded state, the gear linkage 50 only can be towards a side To rotation, the folding direction of mistake is prevented；The design of the torsional spring 38 keeps the hinge 21,22 and the support plate 31,32 In expansion and stability when folded state；The design of the elastic parts 70 provide fold in place with the prompt that expands in place Prevent transition from folding and damaging product.

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.

Claims (10)

1. a kind of flexible board, which is characterized in that covered including elastic base plate and the metal being shaped in above the elastic base plate Cover material, the metal covering include positioned at the first, second plate portion of the elastic base plate two sides and positioned at described first, second Several strip shape bodies between plate portion are equipped with gap between the strip shape body, and the gap is filled by the elastic base plate, the bullet The upper surface of property substrate is concordant with the upper surface of the metal covering.

2. flexible board as described in claim 1, which is characterized in that the first, second plate portion of the metal covering and described Strip shape body is reticular structure, and when being integrally formed with the elastic base plate, the elastic base plate fills the full reticular structure.

3. flexible board as described in claim 1, which is characterized in that the elastic base plate is made of highly elastic material.

4. flexible board as claimed in claim 3, which is characterized in that the elastic base plate is made of silica gel, in the elasticity After substrate is converted into U-typed state, the elastic force of the elastic base plate can make the flexible board revert back to flat condition.

5. flexible board as claimed in claim 4, which is characterized in that the metal covering with a thickness of 0.05-0.2mm it Between, the elastic base plate with a thickness of between 0.15-0.3mm.

6. flexible board as claimed in claim 5, which is characterized in that the metal covering with a thickness of 0.1mm, the elasticity Substrate with a thickness of 0.2mm.

7. flexible board as claimed in claim 6, which is characterized in that the width of the strip shape body is between 0.4-1mm, the item Gap between shape body is between 0.4-1mm.

8. flexible board as claimed in claim 7, which is characterized in that the width of the strip shape body be 0.5mm, the strip shape body it Between gap and the strip shape body it is of same size.

9. flexible board as claimed in claim 7, which is characterized in that the width of the strip shape body upper surface is greater than the strip shape body The width of lower surface, the lower surface of the strip shape body are embedded in the elastic base plate.

10. a kind of Folding display device, which is characterized in that described soft including such as described in any item flexible boards of claim 1-9 The metal covering side of property plate is fixed with Folding screen, the left and right sides of the Folding screen respectively with first, second plate portion Bonding, the Folding screen middle section and the strip body portion are separated from each other without bonding.