CN111833724B

CN111833724B - Electronic device

Info

Publication number: CN111833724B
Application number: CN201911073857.5A
Authority: CN
Inventors: 苏帅; 洪祝平; 欧阳烁; 刘文俊
Original assignee: Shenzhen Royole Technologies Co Ltd
Current assignee: Shenzhen Royole Technologies Co Ltd
Priority date: 2019-04-18
Filing date: 2019-11-05
Publication date: 2022-09-06
Anticipated expiration: 2039-11-05
Also published as: CN111833724A; CN111833725A; CN111828460A; CN111828461A

Abstract

The invention provides an electronic device, which comprises a flexible piece, a shell and a folding device, wherein the shell comprises a first frame body and a second frame body, the folding device is arranged between the first frame body and the second frame body, and comprising a bendable member and a cover mechanism disposed on the bendable member, the cover mechanism comprising a cover assembly covering the bendable member, the covering component comprises a first covering part, the flexible part covers the bent outer side of the bendable part, the first covering piece covers the bent inner side of the bendable part and comprises a middle covering piece and rotary covering plates hinged on two opposite sides of the middle covering piece, the bending or unfolding of the bendable part can drive the rotary covering plate to rotate relative to the middle covering plate so as to realize the bending or unfolding of the first covering part.

Description

Electronic device

Technical Field

The invention relates to the field of flexible piece supporting, in particular to electronic equipment.

Background

With the development of display devices, a bendable electronic display screen, i.e., a flexible display screen, has appeared. Compared with the traditional display device, the flexible display screen has the advantages of being foldable, flexible and the like, and is widely favored by consumers. A foldable flexible display screen generally includes a folding device for supporting and protecting a flexible member, and a flexible member that is bent or flattened with the folding device. One side of the folding device in the prior art, which is far away from the flexible part, is not provided with a covering mechanism generally, and the dustproof requirement cannot be met.

Disclosure of Invention

The present description provides an electronic device having a dustproof effect.

The present disclosure provides an electronic device, including a flexible member, a housing, and a folding device, the housing includes a first frame and a second frame, the folding device is disposed between the first frame and the second frame, and comprises a bendable part and a covering mechanism arranged on the bendable part, wherein the covering mechanism comprises a covering component covering the bendable part, the covering component comprises a first covering piece, the flexible piece covers the bent outer side of the bendable part, the first covering piece covers the bent inner side of the bendable part and comprises a middle covering piece and rotary covering plates hinged on two opposite sides of the middle covering piece, the bending or unfolding of the bendable part can drive the rotary covering plate to rotate relative to the middle covering plate so as to realize the bending or unfolding of the first covering part.

The folding device of the electronic equipment comprises a bendable part and a covering mechanism, wherein the covering mechanism comprises a first covering piece covering the inner side of the bending of the bendable part, and the first covering piece can be bent or unfolded along with the bendable part. Therefore, the first covering part can prevent dust or sundries from entering the electronic equipment from the bent inner side of the bendable part, and the covering mechanism can prevent light leakage and protect the strength of the bendable part.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of an electronic device in an embodiment of the present disclosure.

Fig. 2 is an exploded perspective view of the flexible display, the housing, and the cover mechanism of the electronic device of fig. 1.

FIG. 3 is an exploded perspective view of the foldable member and the cover mechanism of the folding device of FIG. 2.

Fig. 4 is an enlarged view of the portion IV in fig. 3.

Fig. 5 is an enlarged schematic view of the first cover in fig. 2.

Fig. 6 is an exploded perspective view of the first cover in fig. 5.

Fig. 7 is a perspective view of another perspective view of the first cover in fig. 6.

Fig. 8 is a perspective view of one of the connectors of fig. 7.

FIG. 9 is an enlarged view of portion IX of FIG. 7

Fig. 10 is an exploded perspective view of one of the second cover members of fig. 2.

Fig. 11 is a perspective view of another perspective view of the second cover in fig. 10.

Fig. 12 is an assembly schematic of the second cover in fig. 10.

Fig. 13 to 14 are schematic views illustrating a process of mounting the cover mechanism of the folding device of the present invention to the housing.

Fig. 15 is a cross-sectional view taken along line XV-XV in fig. 13.

Fig. 16 is a cross-sectional view taken along line XVI-XVI in fig. 13.

Fig. 17 is a schematic view of the electronic device in fig. 1 in a folded state.

Fig. 18 is a sectional view taken along line XVIII-XVIII in fig. 17.

FIG. 19 is a cross-sectional view taken along line XIX-XIX in FIG. 17.

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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the description may be practiced. Directional phrases used in this specification, such as "upper," "lower," "front," "rear," "left," "right," "inner," "outer," "side," and the like, refer only to the orientation of the appended drawings and, therefore, are used in order to better and more clearly describe and understand the present specification and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present specification.

In the description herein, it is noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed at … …" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present description will be understood in a specific case to those skilled in the art.

Referring to fig. 1 to fig. 3, an electronic device 100 according to an embodiment of the disclosure includes a housing 20 and a flexible element 30 disposed on the housing 20. The housing 20 includes a first frame 21, a second frame 23, and a folding device 24 connected between the first frame 21 and the second frame 23. The flexible material 30 is provided on the first frame 21, the second frame 23, and the folding device 24. The flexible element 30 is provided with a bendable region 31 corresponding to the folding means 24 and two non-bendable regions 33 connected to opposite sides of the bendable region 31. The folding device 24 is used to support the bendable region 31 of the flexible member 30, and the bendable region 31 bends or unfolds with the folding device 24. The folding device 24 includes a bendable member 26 and a cover mechanism 28 disposed on the bendable member 26. Specifically, the covering mechanism 28 includes a covering assembly 280 covering the bendable part 26, the covering assembly 280 includes a first covering part 281 and second covering parts 286 respectively disposed at two opposite ends of the first covering part 281, the first covering part 281 covers an inner side of the bendable part 26 facing away from the flexible part 30, and the two second covering parts 286 respectively cover two opposite ends of the bendable part 26. The first cover 281 comprises a middle covering sheet 282 and rotating covering sheets 284 hinged to opposite sides of the middle covering sheet 282, and the bending or unfolding of the foldable member 26 can drive the rotating covering sheets 284 to rotate relative to the middle covering sheet 282, so as to realize the bending or unfolding of the first cover 281, and each second cover 286 can also bend or unfold with the foldable member 26.

The inner side of the bendable part 26 is contracted during bending, and the rotating cover plate 284 slides relative to the bendable part 26 and extends toward the first frame 21 and/or the second frame 23 while rotating relative to the intermediate cover plate 282; the foldable members 26 are folded and extended inward during the unfolding process, and the rotating cover plates 284 are rotated relative to the intermediate cover plate 282, and slide relative to the foldable members 26 and back relative to the first frame 21 and/or the second frame 23. Specifically, the inner side of the foldable part 26 is contracted during the folding process, that is, the foldable part 26 is contracted during the folding process and synchronously slides relative to the corresponding rotary covering plates 284, and when the two rotary covering plates 284 rotate relative to the middle covering plate 282, the two rotary covering plates respectively slide relative to the foldable part 26 and extend to the first frame body 21 and/or the second frame body 23; the foldable members 26 are folded to extend inward during the unfolding process, i.e. the foldable members 26 are extended during the unfolding process and simultaneously slide relative to the corresponding rotary cover plates 284, so that the two rotary cover plates 284 slide relative to the foldable members 26 and back relative to the first frame 21 and/or the second frame 23, respectively, while rotating relative to the middle cover plate 282. It should be noted that: the sliding is relative, that is, the bendable part 26 contracts during bending and slides relative to the rotating cover plate 284 in synchronization; the bendable members 26 extend during deployment and slide in unison relative to the relatively rotating cover plates 284.

In this embodiment, the electronic device 100 is, for example, but not limited to, a mobile phone, a tablet computer, a display, a liquid crystal panel, an OLED panel, a television, a smart watch, a VR head-mounted display, a vehicle-mounted display, and any other products and components with a display function.

The folding device 24 of the electronic apparatus 100 of the present description comprises a bendable member 26 and a covering mechanism 28, the covering mechanism 28 comprises a first covering part 281 covering the inner side of the bendable member 26 and a second covering part 286 covering the end of the bendable member 26, and the first covering part 281 and the second covering part 286 can be bent or flattened along with the bendable member 26. Therefore, the first cover 281 can prevent dust or foreign matters from entering into the electronic apparatus 100 from the bent inner side of the bendable part 26, the second cover 286 can prevent dust or foreign matters from entering into the electronic apparatus 100 from the end of the bendable part 26, and the cover mechanism 28 can prevent light leakage and protect the strength of the bendable part 26.

As shown in fig. 2, a plurality of connection holes 212 are formed in a side of the first frame 21 facing the folding device 24, the connection holes 212 are arranged in a direction parallel to a bending axis of the folding device 24, and the connection holes 212 are used for connecting the folding device 24. The second frame 23 is provided with a plurality of protruding pieces 231 on one side facing the folding device 24, the plurality of protruding pieces 231 are arranged in a direction parallel to the bending axis of the folding device 24, each protruding piece 231 is provided with a connecting hole 232, and the plurality of connecting holes 232 are used for connecting the folding device 24.

As shown in fig. 2 and 3, the bendable member 26 includes a hinge body 260 and at least one linkage 268 disposed on the hinge body 260, the hinge body 260 includes a plurality of connected hinge units, the hinge units are rotatably connected to one another by the linkage 268, and the hinge units rotate synchronously under the action of the linkage 268. The plurality of hinge elements include a central hinge member 261 in the middle, support hinges 262 attached to opposite sides of the central hinge member 261, and an attachment hinge 264 attached to a side of each support hinge 262 remote from the central hinge member 261. Two support hinges 262 are symmetrically disposed on opposite sides of the central hinge assembly 261. Each support hinge 262 is pivotally connected to a central hinge assembly 264 and a corresponding connecting hinge 264, and a linkage 268 is provided at the end of the central hinge assembly 261. The middle hinge assembly 261 includes a fixed hinge 2612 at the middle thereof and two pivot hinges 2614 pivotally connected to opposite sides of the middle hinge 2612, and the two support hinges 262 are pivotally connected to respective sides of the two pivot hinges 2614 facing away from the fixed hinge 2612. The bending or unfolding of one of the connecting hinges 264 drives the other connecting hinge 264 and the supporting hinge 262 to bend or unfold together through the linkage 268.

Two parallel and spaced shaft holes 2613 are respectively opened at the middle part of the two opposite end faces of the middle hinge joint component 261, the link gear 268 comprises connecting shafts which are spaced and parallel, two rotating shafts positioned in the middle are respectively inserted into the two shaft holes 2613, and the diameters of the rotating shafts are smaller than the inner diameters of the shaft holes 2613. The two shaft holes 2613 are also used to connect the middle portion of the second cover piece 286. The middle hinge joint 2612 has a plurality of snap holes 2615 on its side away from the flexible member 30, and the snap holes 2615 are used to connect the middle cover member 282. The opposite ends of each connecting hinge 264 are respectively provided with a plug hole 2642, and the plug holes 2642 are used for connecting the ends of the corresponding second covering parts 286.

The linkage mechanism 268 further includes at least one first gear assembly 2682 and at least one second gear assembly 2684 sleeved on the connecting shaft, and at least two sliding portions 2685. The two sliding portions 2685 are respectively disposed on two opposite sides of the linkage 268, that is, the two sliding portions 2685 are respectively connected to two connecting shafts on the outermost sides. Specifically, one end of each sliding portion 2685 is connected to the corresponding connecting shaft, and the other end is slidably inserted into the corresponding connecting hinge 264. The two sliding portions 2685 are simultaneously driven by the first gear assembly 2682 and the second gear assembly 2684 of the linkage 268 to move when the bendable part 26 is bent or unfolded, and the two sliding portions 2685 slidably push the two connecting hinges 264 to drive the two connecting hinges 264 and the corresponding supporting hinges 262 to rotate, so as to bend or unfold the bendable part 26.

During the bending of the bendable part 26, the two rotating cover plates 284 approach each other as the bendable part 26 rotates relative to the middle cover 282 to achieve the bending of the first cover 281; the second cover 286 is also bent with the bendable member 26; during the unfolding of the bendable part 26, the two rotating cover plates 284 move away from each other as the bendable part 26 rotates relative to the middle cover 282 to achieve the unfolding of the first cover 281; the second cover 286 also flattens with the bendable member 26. In this embodiment, two opposite ends of the bendable member 26 are respectively provided with a linkage 268, the two linkage 268 are respectively fixedly connected to two opposite ends of the middle hinge assembly 261, each linkage 268 includes four rotating shafts spaced in parallel, and the two rotating shafts located in the middle are connected to the two rotating hinges 2614 and the middle hinge 2612; the rotation shafts on both sides are connected to the two support hinges 262 and the corresponding rotation hinge 2614. One end of each sliding part 2685 close to the middle hinge assembly 261 is connected to the corresponding rotating shaft, and the other end of each sliding part 2685 far from the middle hinge assembly 261 is inserted into the corresponding connecting hinge 264 in a sliding manner. Each connecting hinge joint 264 is provided with a sliding guide through hole corresponding to the sliding part 2685, the sliding guide through hole extends along a direction perpendicular to the bending axis of the bendable part 26, one end of the sliding part 2685 away from the middle hinge joint assembly 261 slides in the corresponding sliding guide through hole to drive the two connecting hinge joints 264 to rotate, and the two connecting hinge joints 264 drive the two rotating cover plates 284 to rotate relative to the middle cover plate 282. Specifically, when the bendable part 26 is bent, the two connecting hinges 264 simultaneously rotate the two rotating cover plates 284 relative to the middle covering plate 282 to make the two rotating cover plates 284 approach each other; when the foldable element 26 is unfolded, the two connecting hinges 264 simultaneously rotate the two rotating covering plates 284 relative to the middle covering plate 282 to separate the two rotating covering plates 284 from each other.

Referring to fig. 3 and 4, a relative sliding member 283 is disposed between each rotational covering element 284 and the bendable part 26, and the relative sliding member 283 elastically abuts between the rotational covering element 284 and the bendable part 26, so that the rotational covering element 284 and the bendable part 26 slide relatively and are kept elastically abutted. Specifically, each relative slide 283 comprises an elastic member 285 and a sliding aid member 288, the elastic member 285 is disposed between the rotation cover 284 and the bendable part 26, and the elastic member 285 is used for elastically supporting the rotation cover 284. Specifically, the foldable member 26 is provided with at least one elastic element 285 on two opposite sides of the middle hinge 261, and the elastic element 285 pushes the corresponding rotation covering part 284 along with the movement of the foldable member 26.

The counter slider 283 includes an elastic receiving groove provided to face one side of the corresponding rotational cover 284, and a roller rotatably provided in the receiving groove, a partial outer circumferential surface of the counter slider 283 facing the one side of the rotational cover 284 protruding toward a side of the rotational cover 284. Specifically, the two elastic members 285 at two opposite sides of the middle hinge 261 of the bendable part 26 are respectively disposed at an interval, each elastic member 285 is formed by bending an elastic sheet, the elastic member 285 includes a supporting part 2851 with an M-shaped cross section and a connecting part 2853 disposed at two opposite sides of the supporting part 2851, the supporting part 2851 is used for elastically supporting the corresponding rotating covering part 284, and the connecting part 2853 is used for connecting the elastic member 285 to the bendable part 26. Preferably, each elastic member 285 is located adjacent to the corresponding connecting hinge 264, and a side of the elastic member 285 facing away from the foldable member 26 is provided with an elastic receiving groove 2855, i.e. an opening of the receiving groove 2855 faces the corresponding rotating cover 284, and the receiving groove 2855 extends in a direction parallel to the bending axis line of the foldable member 26.

The sliding aid 288 is disposed between the rotation cover 284 and the bendable part 26 to reduce the frictional resistance to sliding of the rotation cover 284 relative to the elastic member 285, facilitating the movement of the rotation cover 284. Specifically, the bendable member 26 is provided with two sliding aids 288 spaced opposite to the middle hinge 261, and each sliding aid 288 rotates with the bendable member 26 relative to the rotating cover 284. In this embodiment, the slip aid members 288 are rollers rotatably provided in the receiving grooves 2855 of the corresponding elastic members 285, and a part of the outer circumferential surfaces of the rollers are in rolling contact with the corresponding rotational cover members 284. That is, the sliding aid member 288 is a cylindrical roller rotatably disposed in the receiving groove 2855, the roller extends along the length direction of the receiving groove 2855, the diameter of the sliding aid member 288 is slightly larger than the depth of the receiving groove 2855, so that the partial outer circumferential surface of the sliding aid member 288 facing the side of the rotating cover member 284 faces the side of the rotating cover member 284 by the protruding elastic member 285. The elastic members 285 abut against the corresponding rotation covering members 284 through the sliding aids 288, and when the rotation covering members 284 slide relative to the elastic members 285 as the bendable part 26 is bent or unfolded, the sliding aids 288 roll between the rotation covering members 284 and the corresponding elastic members 285, so that the sliding friction between the rotation covering members 284 and the elastic members 285 is converted into a rolling connection, thereby reducing the motion resistance of the rotation covering members 284 and facilitating the rotation of the rotation covering members 284 relative to the middle covering sheet 282.

Preferably, the slip aid 288 is made of a soft material such as rubber or plastic.

In other embodiments, the elastic member 285 may be an elastic rubber block, a plastic block, or 33023, a rubber block, etc., the elastic member 285 faces one side of the corresponding rotational covering member and is provided with a receiving groove 2855 extending in a direction parallel to the bending axis of the bendable member 26, the roller is rollably received in the receiving groove 2855, and a part of the outer circumferential surface of the roller facing one side of the rotational covering member 284 protrudes the elastic member 285 to face the side of the rotational covering member 284.

In other embodiments, the elastic member 285 faces the side of the rotating cover 284, and a part of the outer circumference of each ball protrudes to face the side of the rotating cover 284 through the elastic member 285.

Referring to fig. 3 and 5-7, the first covering piece 281 of the covering assembly 280 is attached to the side of the bendable part 26 away from the flexible member 30, the middle covering piece 282 extends along a direction parallel to the bending axis of the bendable part 26, and the middle covering piece 282 is connected to the fixed hinge 2612 of the middle hinge assembly 261; the rotational axis line spacing between each of the rotational cover plates 284 and the center cover plate 282 is parallel to the bending axis line of the bendable member 26. Specifically, the middle covering piece 282 has a bar-shaped structure, a plurality of fastening posts 2822 are disposed on one side of the middle covering piece 282 facing the folding device 24, and two opposite ends of the middle covering piece 282 are respectively provided with a fastening slot 2824. The two opposite sides of the side of the middle covering piece 282 away from the folding device 24 are respectively provided with arc-shaped guide chutes 2825.

Each of the rotation cover plates 284 may be pivotally connected to the middle covering plate 282, or may be pivotally connected to the middle covering plate 282 by engaging a circular guide tab and a circular guide slot disposed between the rotation cover plates 284 and the middle covering plate 282, so that the rotation cover plates 284 rotate relative to the middle covering plate 282. As shown in fig. 9, each rotating cover plate 284 is a rectangular cover plate, circular arc-shaped guide pieces 2842 are respectively disposed at two opposite ends of the side of the rotating cover plate 284 facing the middle covering piece 282, and the axis of each guide piece 2842 coincides with the rotation axis between the rotating cover plate 284 and the middle covering piece 282. Each guide 2842 extends from the rotating cover plate 284 toward the middle cover plate 282. The middle covering piece 282 is provided with a circular arc-shaped guide slot corresponding to the guide piece 2842 of the rotating covering plate 284, when the guide piece 2842 is slidably inserted into the corresponding guide slot, the rotating covering plate 284 is rotatably connected with the middle covering piece 282, and the rotating covering plate 284 rotates relative to the middle covering piece 282 along the axial line of the circular arc-shaped guide piece 2842. During rotation of the rotating cover plate 284 relative to the center cover plate 282, there is no gap between the rotating cover plate 284 and the center cover plate 282 to prevent dust or debris from passing between the rotating cover plate 284 and the center cover plate 282 into the electronic device 100.

In this embodiment, the first cover 281 further comprises connecting members 287 arranged at opposite ends of the middle covering sheet 282, and each of the rotary covering sheets 284 is rotatably connected to the middle covering sheet 282 by two connecting members 287. Preferably, the rotation cover plate 284 and the connecting member 287 are engaged with each other by a circular arc-shaped guide groove and a circular arc-shaped guide piece, and the axis of the guide groove and the axis of the guide piece coincide with the axis of rotation between the rotation cover plate 284 and the center cover 282, so that the rotation cover plate 284 rotates relative to the center cover 282.

Specifically, as shown in fig. 8 and 9, the connecting member 287 is a rectangular connecting block, and two opposite sides of the connecting member 287 are respectively provided with circular arc-shaped guide grooves 2871, and the guide grooves 2871 correspond to the corresponding guide tabs 2842. . The end of connecting member 287 facing the middle covering sheet 282 is provided with a connecting strip 2873 and the end of connecting member 287 facing away from connecting strip 2873 is provided with two connecting holes 2875.

As shown in fig. 5-7, the first cover 281 further includes two abutting pieces 289, and the two abutting pieces 289 are respectively slidably connected to the sides of the two rotating cover plates 284 away from the middle cover plate 282. The two abutting pieces 289 are connected to the first frame body 21 and the second frame body 23 at the sides departing from the middle covering sheet 282. The connection between each rotating cover plate 284 and the corresponding retaining member 289 has no gap, so as to prevent dust or impurities from entering the electronic device 100 between the rotating cover plate 284 and the retaining member 289. Further, during the sliding process of each rotating cover plate 284 relative to the retaining member 289, the rotating cover plate 284 and the retaining member 289 are in sliding sealing contact, so as to prevent dust or impurities from entering the electronic device 100 between the rotating cover plate 284 and the retaining member 289. In this embodiment, the opposite sliding member 283 is disposed on the bendable part 26, and the opposite sliding member 283 elastically pushes the rotating cover plate 284 to be sealed and attached to the corresponding retaining member 289, so as to prevent dust or impurities from entering the electronic device 100 from between the rotating cover plate 284 and the retaining member 289.

Each abutting piece 289 is a rectangular supporting plate, a plurality of spaced lugs 2892 are arranged on one side of each abutting piece 289, which is far away from the middle covering sheet 282, and each lug 2892 is provided with a through hole 2894. In this embodiment, each retaining member 289 covers a side of the corresponding rotating cover plate 284 facing away from the folding device 24, and a buffering wear-resistant member 2896 is disposed between the retaining member 289 and the corresponding rotating cover plate 284, so that the buffering wear-resistant member 2896 can prevent the rotating cover plate 284 and the retaining member 289 from being worn and damaged during relative sliding. The buffering wear-resistant member 2896 is attached to the side of the retaining member 289 facing the corresponding rotating cover plate 284, and the buffering wear-resistant member 2896 extends along the length direction of the retaining member 289 and is located at one side adjacent to the middle cover plate 282.

In other embodiments, the buffering wear-resistant member 2896 may be disposed on a side of each rotating cover plate 284 facing the corresponding retaining member 289, and the buffering wear-resistant member 2896 is located between the rotating cover plate 284 and the corresponding retaining member 289.

In other embodiments, the retaining member 289 and the first frame body 21 and/or the retaining member 289 and the second frame body 23 may be integrally formed.

Referring to fig. 2 and 10-12, each second covering element 286 can be bent or unfolded with the foldable component 26, and during the bending or unfolding of the second covering element 286, the second covering element 286 covers the end of the folding device 24 in a sealing manner, so as to prevent dust or impurities from entering the electronic device 100 from the end of the folding device 24. Each second cover piece 286 includes a fixed flap 2861 connected to the middle cover piece 282, two connecting flaps 2866 connected to the ends of the two connecting hinges 264, and at least one rotating flap 2864 hinged between each connecting flap 2866 and the fixed flap 2861. The foldable member 26 drives the connecting flap 2866 to rotate when being folded or unfolded, and the rotation of the connecting flap 2866 drives the rotating flap 2864 to rotate relative to the fixing flap 2861, so that the second covering element 286 can be folded or unfolded along with the foldable member 26.

Specifically, retaining tab 2861 includes a generally triangular connecting block 28610, a mask 28612 disposed on opposite sides of connecting block 28610, and two connecting tubes 28614 disposed on a side of connecting block 28610 facing toward middle mask 282. The two opposite ends of one side of the connecting block 28610, which is far away from the shielding sheet 28612, are respectively provided with a hinge column 28615, and the end part of the connecting block 28610, which is provided with the hinge column 28615, is an arc surface; one side of the connecting block 28610 having the connecting cylinder 28614 is provided with a circular notch 28617 around each hinge post 28615. A positioning plate is arranged between the two connecting cylinders 28614, and a positioning hole 28618 is formed in the positioning plate. Two through holes 28619 are formed in the shroud 28612 adjacent the connector barrel 28614.

Each rotating baffle 2864 comprises a generally triangular connecting block 28640 and a covering piece 28642 arranged on one side of the connecting block 28640, which is far away from the fixed baffle 2861. Each rotation separation blade 2864 rotationally connects in fixed separation blade 2861, connecting hole 28645 is seted up respectively at the relative both ends of one side of connecting block 28640 of keeping away from matte 28612, and the tip that connecting hole 28645 was seted up to connecting block 28640 sets up the arc surface, and connecting block 28640 sets up circular breach 28647 around each connecting hole 28645.

Each connecting baffle 2866 comprises a connecting block 28660, a mounting block 28662 arranged on one side of the connecting block 28660, and a lug 28664 arranged at one end of the connecting block 28660, which is far away from the mounting block 28662, wherein a mounting hole 28663 is formed in the mounting block 28662. The side of connector block 28660 facing mounting block 28662 is provided with two spaced apart peg posts 28666 adjacent mounting block 28662. The protruding piece 28664 is a circular piece, the protruding piece 28664 is provided with a rotating shaft 28667 towards one side of the first covering piece 281, and the protruding piece 28664 is provided with a circular notch 28668 around the rotating shaft 28667.

When each second covering member 286 is assembled, the two rotating blocking pieces 2864 are respectively disposed at two opposite sides of the fixed blocking piece 2861, the two hinge posts 28615 of the fixed blocking piece 2861 are respectively inserted into the connecting holes 28645 of the two rotating blocking pieces 2864, so that each rotating blocking piece 2864 can rotate along the corresponding hinge post 28615, and one end portion of each rotating blocking piece 2864 is accommodated in the corresponding notch 28617. The rotating shafts 28667 of the two connecting flaps 2866 are respectively inserted into the connecting holes 28645 of the two rotating flaps 2864 far away from the fixed flap 2861, each connecting flap 2866 can rotate along the corresponding rotating shaft 28667, and one end of each rotating flap 2864 far away from the fixed flap 2861 is accommodated in the notch 28668 of the corresponding connecting flap 2866. Rotation of each connecting stop 2866 causes the corresponding rotating stop 2864 to rotate.

Referring to fig. 2 to 16, when assembling the covering mechanism 28 to the bendable part 26, the connecting strips 2873 of the two connecting members 287 are inserted into the connecting grooves 2824 at two opposite ends of the middle covering piece 282, respectively, so that the two connecting members 287 are positioned at two opposite ends of the middle covering piece 282; placing two rotating cover plates 284 on opposite sides of the middle covering plate 282 such that the two guide tabs 2842 of each rotating cover plate 284 are inserted into the corresponding guide slots 2871 of the two connecting members 287, and such that each rotating cover plate 284 is rotatably connected to the middle covering plate 282; placing a middle covering sheet 282 and two rotation covering sheets 284 which are assembled into a whole on one side of the bendable part 26, which is far away from the flexible part 30, so that clamping columns 2822 of the middle covering sheet 282 are respectively clamped in clamping holes 2611 of a middle hinge joint 2612, and each rotation covering sheet 284 covers a sliding assistant member 288 on a corresponding elastic part 285, so that each sliding assistant member 288 can contact the corresponding rotation covering sheet 284 in a rolling manner; the two second covering pieces 286 are respectively arranged at two opposite ends of the first covering piece 281, so that the connecting cylinder 28614 of the fixing blocking piece 2861 of each second covering piece 286 is respectively inserted into the corresponding shaft hole 2613, the connecting hole 2875 of each connecting piece 287 is opposite to the through hole 28619 of the corresponding fixing blocking piece 2861, the locking piece is inserted into the through hole 28619 and locked in the corresponding connecting hole 2875, and the other locking piece is inserted into the positioning hole 28618 and then locked in the fixing hinge joint 2612; the insertion posts 28666 of the two attachment tabs 2866 opposite each second cover 286 are inserted into the insertion holes 2642 of the corresponding attachment hinges 264, and the mounting blocks 28662 of the attachment tabs 2866 are inserted into the corresponding attachment hinges 264, and the fastener insertion holes 28663 are secured to the attachment hinges 264 so that the attachment tabs 2861 of each second cover 286 are attached to the middle hinge 261, and the two attachment tabs 2866 are attached to the ends of the two attachment hinges 264. Two abutting pieces 289 are respectively covered on the sides of the two rotation covering plates 284 far away from the middle covering plate 282, the elastic pieces 285 elastically push the corresponding rotation covering plates 284 through the corresponding sliding assistant pieces 288, and the rotation covering plates 284 are elastically clamped between the rotation covering plates 284 and the corresponding abutting pieces 289.

The mounted folding device 24 is placed between the first frame 21 and the second frame 23, the two connecting hinges 264 have their protruding lugs connected to the first frame 21 and the second frame 23, respectively, and the two retaining members 289 are fixedly connected to the first frame 21 and the second frame 23, respectively. Specifically, one side of one of the retaining members 289 provided with the protruding piece 2892 is inserted into one side of the first frame body 21 facing the folding device 24, so that the through holes 2894 of the one of the retaining members 289 respectively face the connecting holes 212 of the first frame body 21, and the plurality of locking members are respectively inserted into the through holes 2894 and the corresponding connecting holes 212 to fix the one of the retaining members 289 on the first frame body 21; the side of the other retaining member 289 with the protruding piece 2892 is inserted into the side of the second frame 23 facing the folding device 24, so that the through holes 2894 of the other retaining member 289 are respectively opposite to the connecting holes 232 of the second frame 23, and the plurality of fasteners are respectively inserted into the through holes 2894 and the corresponding connecting holes 232 to fix the other retaining member 289 to the second frame 23. At this time, the two abutting pieces 289 respectively abut against the two rotating cover plates 284, and each of the elastic pieces 285 elastically abuts against the corresponding rotating cover plate 284 through the corresponding sliding assistant member 288. The back surfaces of the two non-bent regions 33 of the flexible material 30 are respectively attached to the first frame 21 and the second frame 23, and the back surface of the bent region 31 of the flexible material 30 is attached to the front surface of the folding device 24. At this time, the back surface of the flexible component 30 is fixed on the first frame 21, the second frame 23 and the folding device 24, the first covering part 281 covers a side of the bendable component 26 away from the flexible component 30, the two second covering parts 286 respectively cover two opposite ends of the folding device 24, and the bendable region 31, the first covering part 281 and the second covering parts 286 of the flexible component 30 can bend and flatten with bending and flattening of the folding device 24.

In this embodiment, the first frame 21 and/or the second frame 23 are stacked on the corresponding rotation cover plate 284; the rotation cover plate 284 is located between the first frame body 21 and/or the second frame body 23 and the bendable part 26 in the thickness direction.

Optionally, the first frame 21 and/or the second frame 23 is provided with an elastic wear-resistant layer on a side facing the rotation cover plate 284, the side facing the rotation cover plate 284, of one end of the rotation cover plate 284, and the rotation cover plate 284 and the first frame 21 and/or the second frame 23 slide relatively against the resistance of the elastic wear-resistant layer, and the elasticity of the elastic wear-resistant layer enables the rotation cover plate 284 and the first frame 21 and/or the second frame 23 to keep no gap during sliding.

Referring to fig. 1-4 and 17-19, when the electronic device 100 is bent, a bending force is applied to at least one of the first frame 21 and the second frame 23 of the electronic device 100, so that the connecting hinges 264 connected to the first frame 21 and the second frame 23 rotate in opposite directions, and the linkage 268 realizes the synchronous bending of the folding device 24. The sliding portion 2685 slidably pushes the corresponding connecting hinge 264 toward a side away from the middle hinge 261 with the bending of the folding device 24, so that the two connecting hinges 264 rotate in opposite directions. Each elastic member 285 pushes against the corresponding rotary covering member 284 through the sliding aid member 288, so that the elastic member 285 is clamped between the rotary covering member 284 and the corresponding abutting member 289, the rotary covering member 284 rotates towards the side far away from the flexible member 30 relative to the middle covering sheet 282, the guide piece 2842 of each rotary covering member 284 slides out of the guide groove 2871 along the corresponding guide groove 2871, and the sliding aid member 288 between each rotary covering member 284 and the corresponding elastic member 285 rolls; meanwhile, each rotating cover 284 slides relative to the corresponding retainer 289, so that the area of the rotating cover 284 stacked with the retainer 289 is increased, that is, each retainer 289 moves relative to the corresponding rotating cover 284 towards the middle covering sheet 282, so that the first cover 281 bends with the bendable part 26, and the two second covers 286 also bend with the bendable part 26.

During the bending of the first cover 281, there is no gap in the connection between each rotating cover 284 and the middle cover 282 and no gap in the connection between each rotating cover 284 and the corresponding retaining member 289, thereby preventing dust or impurities from entering the electronic device 100 between the rotating cover 284 and the middle cover 282 and between the rotating cover 284 and the retaining member 289 of the first cover 281. During the bending process of the second cover 286, the shielding sheet 28642 of the rotating flap 2864 and the shielding sheet 28612 of the fixed flap 2861, the shielding sheet 28642 of the rotating flap 2864 and the connecting flap 2866 are slidably engaged with each other to prevent dust or foreign materials from entering the electronic device 100 from the end of the bendable part 26. The cover mechanism 28 prevents dust, debris, or glare from entering the electronic device 100 during bending of the electronic device 100.

In other bending modes of the electronic device 100, a bending force may be applied to the first frame 21 and the second frame 23 at the same time, the first frame 21 and the second frame 23 respectively drive the corresponding connecting hinge 264 to rotate relative to the supporting hinge 262 toward a side away from the flexible member 30, the electronic device 100 is folded by the linkage mechanism 268, and the foldable member 26 is covered by the covering mechanism 28 to prevent dust, impurities or strong light from entering the electronic device 100.

When the electronic device 100 is unfolded, a flattening force is applied to at least one of the first frame 21 and the second frame 23 of the electronic device 100, so that the connecting hinges 264 connected to the first frame 21 and the second frame 23 rotate in the directions away from each other, and the synchronous unfolding of the folding device 24 is realized through the linkage 268. The sliding portion 2685 pushes the corresponding connecting hinge 264 to slide toward the side close to the middle hinge 261 with the unfolding of the folding device 24, so that the two connecting hinges 264 rotate in the direction away from each other. Each elastic member 285 pushes the corresponding rotary covering part 284 through the sliding assistant part 288, the elastic member 285 is clamped between the rotary covering part 284 and the abutting part 289, the rotary covering part 284 rotates towards one side of the flexible member 30 relative to the middle covering plate 282, the guide piece 2842 of each rotary covering part 284 slides into the guide groove 2871 along the corresponding guide groove 2871, and the sliding assistant part 288 between each rotary covering part 284 and the corresponding elastic member 285 rolls; at the same time, each rotary cover 284 slides relative to the corresponding retainer 289, so that the area of the rotary cover 284 stacked with the retainer 289 is reduced, that is, each retainer 289 slides relative to the corresponding rotary cover 284 toward the side away from the middle covering sheet 282, so that the first cover 281 is flattened along with the bendable part 26, and the two second covers 286 are also flattened along with the bendable part 26.

During the process of unfolding the first cover 281, there is no gap in the connection between each rotating cover 284 and the middle cover 282 and no gap in the connection between each rotating cover 284 and the corresponding retaining member 289, thereby preventing dust or impurities from entering the electronic device 100 between the rotating cover 284 and the middle cover 282 and between the rotating cover 284 and the retaining member 289. During deployment of second cover 286, shield 28642 of rotating tab 2864 is held in sliding engagement with shield 28612 of fixed tab 2861, shield 28642 of rotating tab 2864, and connecting tab 2866 to prevent dust or debris from entering electronic device 100 from the end of bendable member 26. The cover mechanism 28 prevents dust, debris, or glare from entering the electronic device 100 during deployment of the folded electronic device 100.

In other expansion modes of the electronic device 100, a flattening force may be applied to the first frame 21 and the second frame 23 at the same time, the first frame 21 and the second frame 23 respectively drive the corresponding connecting hinge 264 to rotate towards a side close to the flexible member 30 relative to the supporting hinge 262, the electronic device 100 is flattened through the linkage mechanism 268, and the foldable member 26 is covered by the covering mechanism 28, so as to prevent dust, impurities or strong light from entering the electronic device 100.

The foregoing is illustrative of embodiments of the present invention, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the embodiments of the present invention and are intended to be within the scope of the present invention.

Claims

1. An electronic device comprises a flexible piece, a shell and a folding device, and is characterized in that the shell comprises a first frame body and a second frame body, the folding device is arranged between the first frame body and the second frame body and comprises a bendable part and a covering mechanism arranged on the bendable part, the covering mechanism comprises a covering assembly covering the bendable part, the covering assembly comprises a first covering piece, the flexible piece covers the outer side of the bendable part, the first covering piece covers the inner side of the bendable part, the first covering piece comprises a middle covering piece, rotating covering plates hinged on two opposite sides of the middle covering piece and two abutting pieces, the two abutting pieces are respectively connected to one side, far away from the middle covering piece, of the two rotating covering plates in a sliding manner, one side of each of the two abutting pieces, which is far away from the middle covering piece, is connected to the first frame body and the second frame body respectively, no gap exists between each rotating covering plate and the corresponding abutting piece, and the bending or unfolding of the bendable part can drive the rotating covering plates to rotate relative to the middle covering piece, so that the first covering piece can be bent or unfolded.

2. The electronic device as claimed in claim 1, wherein the bendable part is folded during the folding process, and the rotating cover plate slides relative to the bendable part and extends toward the first frame and/or the second frame while rotating relative to the middle cover plate; the inner side of the bendable part is bent and extends in the unfolding process of the bendable part, and the rotary cover plate slides oppositely relative to the bendable part and slides oppositely relative to the first frame body and/or the second frame body while rotating relative to the middle cover plate.

3. The electronic device as claimed in claim 1, wherein a relative sliding member is disposed between each of the rotation covering members and the bendable member, and the relative sliding member elastically abuts between the rotation covering members and the bendable member, so that the rotation covering members and the bendable member can slide relative to each other while maintaining elastic abutment.

4. An electronic device according to claim 3, wherein the opposing sliding members are disposed on the bendable member.

5. The electronic device according to claim 3, wherein the relative sliding member includes an elastic receiving groove provided toward a side of the corresponding rotational cover and a roller rotatably provided in the receiving groove, a part of an outer peripheral surface of the roller facing toward the side of the rotational cover projects from a side of the relative sliding member facing toward the rotational cover.

6. The electronic device of claim 3, wherein there is no gap between each rotating cover plate and the middle cover plate; during rotation of each rotary cover plate relative to the centre cover plate, there is sealing contact between the rotary cover plate and the centre cover plate.

7. The electronic device of claim 6, wherein the first frame and/or the second frame is stacked with the rotating cover plate; the rotating cover plate is located between the first frame body and/or the second frame body and the bendable part from the thickness direction.

8. The electronic device of claim 6, wherein a side of the first frame and/or the second frame facing the end of the rotation cover plate facing the rotation cover plate is provided with an elastic wear-resistant layer, the rotation cover plate and the first frame and/or the second frame slide relatively against the resistance of the elastic wear-resistant layer, and the elasticity of the elastic wear-resistant layer enables the rotation cover plate and the first frame and/or the second frame to keep no gap during sliding.

9. The electronic device of claim 1, wherein the middle cover sheet extends in a direction parallel to a bending axis of the bendable member, and a rotational axis separation between each rotating cover sheet and the middle cover sheet is parallel to the bending axis of the bendable member.

10. The electronic device of claim 1, wherein the first cover further comprises connectors disposed at opposite ends of the middle cover sheet, each rotating cover sheet being rotatably connected to the middle cover sheet by two of the connectors.

11. The electronic device as claimed in claim 10, wherein the rotation cover plate and the connecting member are connected to each other by a guide groove and a guide plate, the guide groove and the guide plate being formed in a circular arc shape, and the axis of the guide groove and the axis of the guide plate coincide with the axis of rotation between the rotation cover plate and the middle cover plate.

12. The electronic device of claim 11 wherein said channel is defined in a side of said connector corresponding to each of said pivoting cover plates, each pivoting cover plate having said tab pivotally received in said channel.

13. The electronic device of claim 10, wherein the cover assembly further comprises second cover members respectively disposed at opposite ends of the first cover member, the second cover members covering ends of the bendable member, each of the second cover members being bent or unfolded with the bendable member.

14. The electronic device as claimed in claim 13, wherein one end of each connecting member facing away from the middle cover sheet is connected to a middle portion of the corresponding second cover member, and opposite ends of each second cover member are connected to opposite sides of the bendable member.

15. The electronic device as claimed in claim 13, wherein each of the second cover members includes a fixing flap connected to a middle portion of the foldable member, and the two connecting members are respectively fixedly connected to the two fixing flaps.

16. The electronic device of claim 1, wherein the middle cover plate has arc-shaped guide slots on opposite sides thereof, and one side of each rotating cover plate facing the middle cover plate is slidably engaged with the corresponding guide slot.