CN111613137B

CN111613137B - Interior folding flexible screen strutting arrangement, interior folding flexible screen module and electronic equipment

Info

Publication number: CN111613137B
Application number: CN202010398008.3A
Authority: CN
Inventors: 杨乐
Original assignee: Oppo Chongqing Intelligent Technology Co Ltd
Current assignee: Oppo Chongqing Intelligent Technology Co Ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2022-04-01
Anticipated expiration: 2040-05-12
Also published as: CN111613137A

Abstract

The application discloses an inner folding flexible screen supporting device, an inner folding flexible screen module and electronic equipment, wherein the inner folding flexible screen supporting device comprises a supporting component, and the supporting component comprises a plurality of supporting plates and a plurality of connecting components; the adjacent support plates are connected through the connecting assembly, and the adjacent connecting assemblies are in sliding connection with variable intervals, so that the time interval of the adjacent support plates is variable when the connecting angle state is changed. In this way, this application is connected through coupling assembling between the adjacent backup pad including many following backup pads, because adjacent coupling assembling sliding connection and interval are variable, and then drive adjacent backup pad and change the connection angle time interval and be variable, and then when flexible screen infolding, a plurality of coupling assembling sliding connection for backup pad interval grow, and then the flexible screen of being connected with the backup pad has avoided stress concentration, and then can improve the life of flexible screen.

Description

Interior folding flexible screen strutting arrangement, interior folding flexible screen module and electronic equipment

Technical Field

The application relates to the technical field of electronic equipment, in particular to an inner folding flexible screen supporting device, an inner folding flexible screen module and electronic equipment.

Background

With the rapid development of electronic devices, users have higher and higher requirements on mobile phone display screens, so flexible display screens are developed gradually and can be folded inwards or outwards.

The flexible screen can be folded and mainly depends on a supporting mechanism on the mobile phone, the supporting mechanism can drive the flexible screen to be bent into a preset shape, but in the process that the current supporting mechanism drives the flexible screen to be folded, the bending end of the flexible screen always has a stress effect, so that the service life of the flexible screen is greatly shortened.

Disclosure of Invention

The main technical problem who solves of this application provides an interior folding flexible screen strutting arrangement, module and electronic equipment, can solve flexible screen and receive the great problem of stress influence at the in-process of buckling.

In order to solve the technical problem, the application adopts a technical scheme that: providing an inner folding flexible screen supporting device, wherein the inner folding flexible screen supporting device comprises a supporting component, and the supporting component comprises a plurality of supporting plates and a plurality of connecting components; the adjacent support plates are connected through the connecting assembly, and the adjacent connecting assemblies are in sliding connection with variable intervals, so that the time interval of the adjacent support plates is variable when the connecting angle state is changed.

In order to solve the above technical problem, another technical solution adopted by the present application is: the utility model provides an interior folding flexible screen module, this interior folding flexible screen module include the flexible screen and as foretell interior folding flexible screen strutting arrangement, the flexible screen with interior folding flexible screen strutting arrangement is connected, and then works as interior folding flexible screen strutting arrangement can drive when buckling from the horizontality the flexible screen inwards buckles.

In order to solve the above technical problem, another technical solution adopted by the present application is: an electronic device is provided, the electronic device including: the shell comprises a first shell and a second shell, the inner folding flexible screen supporting device is respectively connected with the first shell and the second shell, and the first shell and the second shell are driven to reciprocate from a horizontal state to a bending state when reciprocating from the horizontal state to the bending state.

The beneficial effect of this application is: be different from prior art's condition, this application is including many following backup pads, be connected through coupling assembling between the adjacent backup pad, because adjacent coupling assembling sliding connection and interval are variable, and then it is variable to drive adjacent backup pad at the change angle time interval, and then when the backup pad moved from the horizontality to the state of buckling, holistic length can become the length, and when the backup pad moved from the state of buckling to the horizontality, holistic length shortens, and then the flexible screen that is connected with the backup pad when moving from the horizontality to the state of buckling, a plurality of coupling assembling sliding connection, make backup pad interval grow, so alright in order to make flexible screen when buckling along with the backup pad in order to avoid stress concentration and receive the extrusion, and then can increase the life of flexible screen.

Drawings

Fig. 1 is a schematic partial structural diagram of an electronic device according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a flexible screen module according to an embodiment of the present application;

FIG. 3 is a schematic structural view of the support assembly shown in FIG. 2;

FIG. 4 is a partial schematic structural view of the coupling assembly of the support assembly shown in FIG. 2 mated with a support plate;

FIG. 5 is a schematic illustration of the exploded structure shown in FIG. 4;

FIG. 6 is a schematic view of the mating structure of two adjacent connecting assemblies shown in FIG. 3;

FIG. 7 is a top plan view of the mating of two adjacent connector assemblies shown in FIG. 6;

FIG. 8 is a cross-sectional view taken at A-A of FIG. 7;

FIG. 9 is a schematic view of another state at Y shown in FIG. 8;

FIG. 10 is a schematic view of the position limiting member shown in FIG. 7;

FIG. 11 is a top view of the limiter shown in FIG. 10;

FIG. 12 is a cross-sectional view taken at B-B of FIG. 11;

FIG. 13 is a partially exploded view of the support assembly shown in FIG. 3;

fig. 14 is an enlarged schematic view of the structure at X in fig. 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a portion of an electronic device 70 according to an embodiment of the present disclosure, and fig. 2 is a schematic structural diagram of a flexible screen module 60 according to an embodiment of the present disclosure. An embodiment of the application provides an electronic device 70, where the electronic device 70 includes a housing 710 and an inner folding flexible screen module 60, the housing 710 includes a first housing 7110 and a second housing 7120, and an inner folding flexible screen supporting device is respectively connected to the first housing 7110 and the second housing 7120, so that the first housing 7110 and the second housing 7120 drive a flexible screen 610 to reciprocate from a horizontal state to a bent state when reciprocating from the horizontal state to the bent state. The electronic device 70 of the present application may include a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like, wherein the example of the present application is a mobile phone. It is noted that the terms "comprises" and "comprising," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

Interior folding flexible screen module 60 includes flexible screen 610 and interior folding flexible screen strutting arrangement, and flexible screen 610 is connected with interior folding flexible screen strutting arrangement, and then can drive flexible screen 610 and inwards buckle when interior folding flexible screen strutting arrangement buckles from the horizontality. In an embodiment of the present application, when the inner folding flexible screen 610 device is bent, the length of the bending region of the inner folding flexible screen 610 supporting device may be lengthened, and then the flexible screen 610 may avoid stress concentration when bending along with the bending region, thereby increasing the service life. It can be understood that the flexible screen 610 is connected to the first casing 7110 and the second casing 7120 and covers the inner folding flexible screen supporting device, and when an external force is applied to the first casing 7110 or the second casing 7120, the first casing 7110 and the second casing 7120 reciprocate from the horizontal state to the bending state, and at this time, a portion of the flexible screen corresponding to the inner folding screen supporting device also reciprocates from the horizontal state to the bending state. In an embodiment of the present application, when the inner folding flexible screen supporting device moves from the horizontal state to the bending state, the length of the inner folding flexible screen supporting device may become long, and then the flexible screen 610 may be damaged by the stress concentration caused by bending the inner folding flexible screen supporting device when bending.

Referring to fig. 3, fig. 3 is a schematic structural view of the support assembly 10 shown in fig. 2. In one embodiment of the present application, the inner folding flexible screen support device comprises a support assembly 10, the support assembly 10 comprising a plurality of support plates 20 and a plurality of connecting assemblies 30; the adjacent support plates 20 are connected by the connecting assembly 30, and the adjacent connecting assemblies 30 are slidably connected with variable intervals so that the time interval between the adjacent support plates 20 is variable when the connecting angle state is changed. It is understood that when the support plate 20 is folded inwards, the flexible screen 610 connected with the support plate 20 is also folded, and the adjacent support plates 20 are connected by the connecting members 30, and the distance between the connecting members 30 is variable, so that when the support plate 20 is folded inwards, the distance between the adjacent support plates 20 is also variable, so that when the flexible screen 610 is folded inwards from the horizontal state to the folded state, the length of the support member 10 supporting the flexible screen 610 is increased. With the arrangement, the flexible screen 610 can be prevented from being damaged due to stress concentration in the bending process.

Referring to fig. 4, 5 and 6, fig. 4 is a partial structural view illustrating the coupling of the connecting member 30 and the support plate 20 of the support assembly 10 shown in fig. 2, fig. 5 is an exploded structural view of fig. 4, and fig. 6 is a structural view illustrating the coupling of two adjacent connecting members 30 shown in fig. 3. The connecting members 30 include a body 310, and a connecting member 320 and a fitting member 330 provided at opposite sides of the body 310, and the connecting member 320 of one connecting member 30 is slidably coupled to the fitting member 330 of another connecting member 30 adjacently provided. It can be concluded that the adjacent connecting pieces 320 are connected through the matching of the connecting pieces 320 and the matching pieces 330, and then when the flexible screen 610 is bent, the adjacent connecting pieces 320 and the matching pieces 330 are slidably connected, so that the distance between the adjacent connecting components 30 is increased, the length of the integral supporting component 10 is increased, and then the flexible screen 610 can be prevented from stress concentration when being bent.

Referring to fig. 5 and 10, fig. 10 is a schematic structural view of the position-limiting member 3330 shown in fig. 7. The fitting member 330 includes a rotating component 3310 and a limiting component 3330, the rotating component 3310 is connected to the body 310, the limiting component 3330 is connected to the rotating component 3310, and the limiting component 3330 is provided with a first limiting hole 3331, a second limiting hole 3332 and a third limiting hole 3333 which are mutually communicated; one end of the rotating element 3310 is sleeved in the first position-limiting hole 3331 and abuts against the second position-limiting hole 3332, and the connecting element 320 passes through the third position-limiting hole 3333 and is slidably engaged with the rotating element 3310. In an embodiment of the present application, the body 310 is provided with a gap 3150 for accommodating the position-limiting member 3330, and the gap 3150 also limits the position of the position-limiting member 3330. One end of the rotating member 3310 is sleeved in the first limiting hole 3331 and abuts against the second limiting hole 3332, the second limiting hole 3332 is disposed below the first limiting hole 3331 and communicated with the first limiting hole 3331, and the third limiting hole 3333 is disposed below the second limiting hole 3332 and communicated with the second limiting hole 3332. The connecting member 320 passes through the third position-limiting hole 3333 and is slidably engaged with the rotating element 3310 which is disposed in the first position-limiting hole 3331 and partially accommodated in the second position-limiting hole 3332. It is understood that the second hole 3332 is used to communicate the first hole 3331 with the third hole and the connecting member 320 passing through the third hole 3333 is matched with the rotating member 3310 passing through the first hole 3331. The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature.

Referring to fig. 6, 7 and 8, fig. 6 is a schematic diagram illustrating a matching structure of two adjacent connecting assemblies 30 shown in fig. 3, fig. 7 is a top view illustrating the matching of two adjacent connecting assemblies 30 shown in fig. 6, and fig. 8 is a cross-sectional view taken along line a-a shown in fig. 7. The rotation component 3310 includes a rotation rod 33110 connected to the body 310 and a rotation member 33130 sleeved on the rotation rod 33110, wherein the rotation rod 33110 is sleeved on the first position-limiting hole 3331 and the rotation member 33130 abuts against the second position-limiting hole 3332 and is partially located in the third position-limiting hole 3333; the connecting member 320 passes through the third position-limiting hole 3333 and is slidably engaged with the rotating member 33130. In the embodiment of the present invention, the rotating rod 33110 is detachably connected to the rotating member 33130 sleeved on the rotating rod 33110, the rotating member 33130 is sleeved on the first limiting hole 3331, when the rotating member 33130 abuts on the second limiting hole 3332, an included angle between the axial direction of the first limiting hole 3331 and the extending direction of the third limiting hole 3333 is formed, and the connecting member 320 is disposed through the third limiting hole 3333 and can abut on the rotating member 33130 through the second limiting hole 3332 and cooperate with the rotating member 33130. It is understood that the axial extension direction of the second position-limiting hole 3332 is disposed at an angle to the first position-limiting hole 3331, the second position-limiting hole 3332 partially overlaps the first position-limiting hole 3331 to form an overlapping region, the third position-limiting hole 3333 is first communicated with the second position-limiting hole 3332 and at least partially reaches the overlapping region, so that the connecting member 320 passes through the third position-limiting hole 3333 to reach the overlapping region and cooperate with the rotating member 33130 located in the overlapping region. Referring to fig. 9, fig. 9 is a schematic view of another state at Y shown in fig. 8. That is, when the supporting component 10 is in the horizontal state and the included angle between the corresponding adjacent connecting components 30 is 0 degree, as shown in fig. 9, the distance between the connecting member 320 and the stopper 3330 of the adjacent connecting component 30 is smaller than the distance between the connecting member 320 and the stopper 3330 of the adjacent connecting component 30 shown in fig. 8, and at this time, the connecting member 320 moves from the apparatus shown in fig. 9 to the state shown in fig. 8, that is, the state corresponding to the connecting member 320 when the supporting component 10 moves from the horizontal state to the bent state. That is, when the supporting member 10 moves from the horizontal state to the bent state, the distance between the connecting member 320 and the position-limiting member 3330 of the adjacent connecting member 30 becomes larger, and the distance corresponding to D1 in fig. 8 is larger than D2 in fig. 9. It will be appreciated that when the support assembly 10 is moved from the bent state to the horizontal state, the corresponding D1 changes to D2.

Referring to fig. 5, 11 and 12, fig. 11 is a top view of the position-limiting member 3330 shown in fig. 10, and fig. 12 is a cross-sectional view taken at B-B shown in fig. 11. The rotating member 33130 includes a first engaging portion 33131, the connecting member 320 is provided with a second engaging portion 3210 engaged with the first engaging portion 33131, and the first engaging portion 33131 and the second engaging portion 3210 are engaged for transmission so as to allow the connecting member 320 to perform telescopic movement in the third position-limiting hole 3333. In an embodiment of the present invention, the first engaging portion 33131 is a gear, and the second engaging portion 3210 engaged with the first engaging portion 33131 is a rack. When the connecting member 320 is engaged with the rotating member 3310, the gear is engaged with the rack gear, so that the distance between the adjacent support plates 20 can be adjusted. That is, when the flexible screen 610 moves from the horizontal state to the bent state, the interval between the adjacent support plates 20 becomes large. When the flexible screen 610 is restored from the bent state to the horizontal state, the interval between the adjacent support plates 20 becomes smaller.

The body 310 has a first connection hole 3110 and a first pin hole 3130, the first connection hole 3110 is connected to the first pin hole 3130, the rotation component 3310 includes a first pin 340 engaged with the first pin hole 3130, and the rotation rod 33110 and the first pin 340 are respectively sleeved on the first connection hole 3110 and the first pin hole 3130 to fix the rotation rod 33110. It is understood that the rotation lever 33110 is engaged with the first coupling hole 3110. The axial extending direction of the first connection hole 3110 is consistent with the axial extending direction of the first limiting hole 3331. The first pin 340 functions to allow the rotation rod 33110 to be closely fitted to the first coupling hole 3110. In an embodiment of the present application, the number of the first pins 340 is 1, but in other embodiments, the number of the first pins 340 may also be 2, 3, or 4, which is not limited herein. The rotation lever 33110 and the first connection hole 3110 may be connected by a connection method such as welding or bonding, and is not limited thereto.

The rotator 33130 is formed with a second connecting hole 33133 and a second pin hole 33135, the second connecting hole 33133 is communicated with the second pin hole 33135, the rotator 3310 further comprises a second pin 350 engaged with the second pin hole 33135, and the rotator 33130 and the second pin 350 are respectively sleeved on the second connecting hole 33133 and the second pin hole 33135 to fix the rotator 33130. It is understood that the rotation member 33130 is engaged with the second connecting hole 33133 and the rotation member 33130 is tightly connected with the second connecting hole 33133 by the engagement of the second pin 350 with the second pin hole 33135. The second connecting hole 33133 and the rotor 33130 may be connected by welding, bonding, or the like, but is not limited thereto.

Referring to fig. 3, the connecting components 30 are respectively connected to two opposite side ends of the supporting plate 20 in the extending direction of the long side. It can be understood that, one of the opposite sides of the supporting plate 20 corresponds to one of the connecting assemblies 30, and thus the supporting plate 20 can be bent in one direction when bent, so that the bending direction of the flexible screen 610 connected to the supporting assembly 10 is also bent in one direction, that is, the bending axis is a straight line rather than a bent curve, and if the flexible screen 610 is bent, the flexible screen 610 is also twisted, so the flexible screen 610 is damaged. Therefore, in the embodiment of the present application, the connecting assemblies 30 located at two opposite sides of the long side of the supporting plate 20 are synchronized when moving, and further when the connecting assemblies 30 bend and slide, the supporting plate 20 can be bent along one direction without torsion, so that the flexible screen 610 connected to the supporting plate 20 can be bent along one bending direction without torsion and also generate local stress to damage the flexible screen 610 when the flexible screen 610 is folded inwards. In other embodiments, one support plate 20 may also be provided with one connecting assembly 30, and the connecting assembly 30 may be provided at a middle position of the support plate 20, so that when the support assembly 10 is bent, the distance between adjacent connecting assemblies 30 may be adjustable due to the sliding connection therebetween, so that the flexible screen 610 connected to the support assembly 10 avoids stress concentration. It should be noted that one supporting plate 20 may correspond to a plurality of connecting assemblies 30, for example, 3, 4, or 5, and the number of the supporting plates 20 corresponding to the connecting assemblies 30 is not limited herein. In an embodiment of the present application, the number of the supporting plates 20 is 13, and when the supporting plates 20 drive the flexible screen 610 connected to the supporting plates 20 to be folded inwards, the bendable region of the flexible screen 610 and other regions may form a drop shape. In other embodiments, the number of the support plates 20 may also be 9, 11, 15, and the like, and may be adjusted according to the length of the flexible screen 610, and the number of the connection assemblies 30 corresponding to the support plates 20 may also be adjusted accordingly, and the specific number of the support plates 20 and the connection assemblies 30 is not limited herein.

Referring to fig. 13 and 14, fig. 13 is a partially exploded view of the support assembly 10 shown in fig. 3, and fig. 14 is an enlarged schematic structural view at X in fig. 13. The folding support device further comprises four extension rods 40, wherein the extension rods 40 are connected with the connecting assemblies 30 which are positioned on two sides of the support assembly 10 and connected with the support plate 20, so that the extension rods 40 drive the support assembly 10 to move from a horizontal state to a bending state when moving from the horizontal state to the bending state. In an embodiment of the present application, the bendable portion of the flexible screen 610 corresponds to a length portion of the support assembly 10. In an embodiment of the present application, the extension rod 40 is detachably connected to the support component 10, a first fitting hole 410 is provided at one end of the extension rod 40 close to the support component 10, a fitting block 50 is provided at one end of the support component 10 close to the extension rod 40, a second fitting hole 510 provided corresponding to the first fitting hole 410 is provided on the fitting block 50, and the support component 10 and the extension rod 40 are connected through the connecting column passing through the first fitting hole 410 and the second fitting hole 510. It is understood that the support assembly 10 and the extension bar 40 can be connected by welding or bonding, which is not limited herein.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An interior folding flexible screen strutting arrangement which characterized in that includes:

the supporting assembly comprises a plurality of supporting plates and a plurality of connecting assemblies; the adjacent support plates are connected through a connecting assembly, and the adjacent connecting assemblies are in variable-interval sliding connection so that the time interval of the adjacent support plates is variable when the connecting angle state is changed; the connecting components comprise a body, connecting components and matching components, wherein the connecting components and the matching components are arranged on two opposite sides of the body; the matching piece comprises a rotating assembly and a limiting piece, the rotating assembly is connected with the body, the limiting piece is connected with the rotating assembly, and a first limiting hole, a second limiting hole and a third limiting hole which are mutually communicated are formed in the limiting piece;

one end of the rotating assembly is sleeved on the first limiting hole and abuts against the second limiting hole, and the connecting piece penetrates through the third limiting hole and is in sliding fit with the rotating assembly.

2. The support device for the internally-folded flexible screen according to claim 1, wherein the rotating assembly comprises a rotating rod connected with the body and a rotating member sleeved on the rotating rod, the rotating rod is sleeved on the first limiting hole and enables the rotating member to abut against the second limiting hole and is partially located in the third limiting hole; the connecting piece is arranged in the third limiting hole in a penetrating mode and is in sliding fit with the rotating piece.

3. The support device for the internally-folded flexible screen as claimed in claim 2, wherein the rotating member comprises a first engaging portion, the connecting member is provided with a second engaging portion engaged with the first engaging portion, and the first engaging portion and the second engaging portion are engaged for transmission so as to enable the connecting member to perform telescopic movement in the third limiting hole.

4. The support device for an internally folded flexible screen of claim 3, wherein the first engaging portion is a gear and the second engaging portion in engaging transmission with the first engaging portion is a rack.

5. The inner folding flexible screen supporting device as claimed in claim 2, wherein the body is provided with a first connecting hole and a first pin hole, the first connecting hole is communicated with the first pin hole, the rotating assembly comprises a first bolt matched with the first pin hole, and the rotating rod and the first bolt are respectively sleeved on the first connecting hole and the first pin hole to fix the rotating rod.

6. The inner folding flexible screen supporting device as claimed in claim 2, wherein the rotating member is provided with a second connecting hole and a second pin hole, the second connecting hole is communicated with the second pin hole, the rotating assembly further comprises a second bolt matched with the second pin hole, and the rotating member and the second bolt are respectively sleeved on the second connecting hole and the second pin hole to fix the rotating member.

7. The device as claimed in claim 2, wherein the connecting members are connected to two opposite ends of the supporting plate in the extending direction of the long side.

8. The device as claimed in claim 7, further comprising four extension rods connected to the connection members on both sides of the support assembly and connected to the support plate, so that the extension rods drive the support assembly to move from the horizontal state to the bent state when moving from the horizontal state to the bent state.

9. An inner folding flexible screen module, characterized in that, comprises a flexible screen and an inner folding flexible screen supporting device according to any one of claims 1 to 8, the flexible screen is connected with the inner folding flexible screen supporting device, and further, when the inner folding flexible screen supporting device is bent from a horizontal state, the flexible screen can be driven to be bent inwards.

10. An electronic device, comprising a housing and the inner folding flexible screen module according to claim 9, wherein the housing comprises a first housing and a second housing, and the inner folding flexible screen supporting device is connected to the first housing and the second housing respectively, so that the first housing and the second housing reciprocate from a horizontal state to a bent state to drive the flexible screen to reciprocate from the horizontal state to the bent state.