CN213582864U - Bendable display device - Google Patents

Abstract

The present application relates to a bendable display device. The display equipment that can bend includes flexible piece, middle part connecting piece, first kink, second kink and first stop gear. The flexible part comprises a first part, a third part and a second part which are connected in sequence; the middle connecting piece is used for supporting the third part; the first bending part is movably arranged on one side of the middle connecting piece and used for supporting the first part; the second bending part is movably arranged on one side of the middle connecting piece, which is far away from the first bending part, and is used for supporting the second part; the first limiting mechanism is arranged on the middle connecting piece and connected to the first bending portion and the second bending portion respectively and used for limiting at least one first folding angle of the bendable display device. The application is able to bend display device is through first stop gear for first kink and second kink can carry on spacingly in at least one first folding angle or back of the body mutually when rotating, are difficult for appearing rocking, and it is more convenient to use, and is difficult for making the display device that can bend impaired.

Description

Bendable display device

Technical Field

The application relates to the field of display, in particular to a bendable display device.

Background

The display device that can bend in current does not have stop gear, when buckling the intermediate condition, can't carry on spacingly, and the kink produces easily and rocks, and the display device that can bend that makes carelessly easily is impaired, uses very inconveniently.

SUMMERY OF THE UTILITY MODEL

In view of this, the application provides a display device can bend, can realize the spacing of a plurality of angles through first stop gear.

An embodiment of the present application provides a bendable display device, which includes:

the flexible piece comprises a first part, a third part and a second part which are connected in sequence;

a middle connecting member for supporting the third portion;

the first bending part is movably arranged on one side of the middle connecting piece and is used for supporting the first part;

the second bent part is movably arranged on one side of the middle connecting piece, which is far away from the first bent part, and is used for supporting the second part; and

the first limiting mechanism is arranged on the middle connecting piece, connected to the first bending part and the second bending part respectively and used for limiting at least one first folding angle of the bendable display equipment.

The application is able to bend display device is through first stop gear for first kink and second kink can carry on spacingly in at least one first folding angle or when carrying on back mutually the rotation in opposite directions at relative middle part connecting piece, are difficult for appearing rocking, and it is more convenient to use, and is difficult for making the display device that can bend impaired.

Drawings

To more clearly illustrate the structural features and effects of the present application, a detailed description is given below in conjunction with the accompanying drawings and specific embodiments.

FIG. 1 is an exploded view of a portion of a display device in an expanded state according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a foldable display device according to an embodiment of the present application in a folded state;

FIG. 3 is a schematic view of a foldable display device according to an embodiment of the present application;

FIG. 4 is an exploded view of a flexible member hidden structure of a flexible display device according to an embodiment of the present application;

FIG. 5 is an exploded view of the inner link, the first spacing mechanism, the second spacing mechanism, and the synchronization assembly of one embodiment of the present application;

FIG. 6 is a schematic structural diagram of a first active member and a second active member according to an embodiment of the present application;

FIG. 7 is an exploded view of the first and second spacing mechanisms of an embodiment of the present application;

FIG. 8 is an assembly schematic of a first stop mechanism and a second stop mechanism of an embodiment of the present application;

fig. 9 is an exploded view of the first and second spacing mechanisms of an embodiment of the present application from another perspective.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. All other embodiments that 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 application.

Referring to fig. 1 to 4, a bendable display apparatus 100 according to an embodiment of the present application includes: a flexible member 10 comprising a first portion 11, a third portion 15 and a second portion 13 connected in sequence; a middle connecting member 30 for supporting the third portion 15; a first bent portion 50 movably disposed at one side of the middle connection member 30 for supporting the first portion 11; a second bent portion 70 movably disposed on a side of the middle connecting member 30 away from the first bent portion 50 for supporting the second portion 13; and a first limiting mechanism 80 disposed on the middle connection member 30 and respectively connected to the first bending portion 50 and the second bending portion 70 for limiting at least one first folding angle of the foldable display device 100.

Alternatively, the foldable display device 100 has a bending line, and the first bending part 50 and the second bending part 70 are symmetrically disposed along the bending line when the foldable display device is unfolded, and the first bending part 50 and the second bending part 70 are symmetrically bent when the foldable display device is folded.

Alternatively, the bendable display device 100 includes, but is not limited to, a bendable mobile phone, a bendable tablet, a bendable e-reader, a bendable display, a bendable computer, a bendable television, a bendable wearable device, and the like that can be bent or folded.

Alternatively, the flexible member 10 may be, but is not limited to, a flexible display screen. Optionally, the third portion 15 of the flexible member 10 is a flexible display, and the first portion 11 and the second portion 13 of the flexible member 10 may or may not be flexible displays. Regardless of whether the first portion 11, the second portion 13 and the third portion 15 of the flexible member 10 are all flexible display screens, the first portion 11, the second portion 13 and the third portion 15 are spliced into a whole, so as to form a complete display surface. It will be appreciated that the junction of the first, second and third portions 11, 13, 15 of the flexible member 10 may not be spliced together as a single piece.

Optionally, in some embodiments, the first portion 11 is fixed to the first bent portion 50, and the second portion 13 is fixed to the second bent portion 70.

Alternatively, the third portion 15 is not fixed to the central connecting member 30. Or in another embodiment, the third portion 15 is fixed in position at the central connecting member 30 corresponding to the bend line to prevent the third portion 15 from being deflected during folding and unfolding.

Optionally, a projection of a portion of the third portion 15 in a normal direction of the flexible member 10 partially coincides with the first bend 50 and/or the second bend 70.

Optionally, the at least one first fold angle comprises one or more first stable angles. For example: one, two, three, four or five, etc. Optionally, the at least one first folding angle includes, but is not limited to, at least one of 0 °, 60 °, 90 °, 120 °, 180 °, 270 °, and may be other angles.

The application is that the display device 100 that can bend is through first stop gear 80 for first kink 50 and second kink 70 can carry on spacingly in at least one first folding angle when relative middle part connecting piece 30 is in opposite directions or when carrying on back mutually, are difficult for appearing rocking, and it is more convenient to use, and is difficult for making the display device 100 that can bend impaired.

Alternatively, when the bendable display device 100 is bent, the third portion 15 of the flexible member 10 is bent with a predetermined radius of curvature. More specifically, the third portion 15 is bent drop-shaped, i.e. with a larger bending radius, so that the flexible member 10 has a longer service life.

Referring to fig. 1, in some embodiments, the foldable display device 100 of the embodiment of the present application further includes a second position-limiting mechanism 90, and the second position-limiting mechanism 90 is movably connected to the first position-limiting mechanism 80 for limiting at least one second folding angle of the foldable display device 100.

Through the cooperation of first stop gear 80 and second stop gear 90 for display device 100 can be bent and spacing at more angles, and when making display device 100 that can bend spacing simultaneously, more firm, long-term the use is not fragile.

Optionally, the at least one second fold angle comprises a plurality of second stable angles. For example: one, two, three, four or five, etc. Optionally, the at least one second folding angle includes, but is not limited to, at least one of 30 °, 45 °, 90 °, 135 °, 210 °, 240 °, 300 °, and may be other angles. In some embodiments, the plurality of second stabilizing angles and the plurality of first stabilizing angles may or may not partially coincide.

Referring to fig. 5, in some embodiments, the middle connector 30 includes a housing 32, a first mounting seat 34, a second mounting seat 36, a third mounting seat 39, a fourth mounting seat 310, and a cover 38. The first mounting seat 34, the second mounting seat 36, and the third mounting seat 39 are fixed in the casing 32, and the cover 38 is configured to at least partially cover the casing 32, so that when the foldable display device 100 is unfolded, the first mounting seat 34, the second mounting seat 36, and the cover 38 together form a supporting surface near the surface of the flexible element 10, and the supporting surface is configured to support the third portion 15 of the flexible element 10, and the surfaces of the first mounting seat 34, the second mounting seat 36, and the cover 38 near the surface of the flexible element 10 are substantially on the same plane.

Optionally, the middle connection member 30 further includes a first rotation shaft 31, a second rotation shaft 33, a third rotation shaft 35 and a fourth rotation shaft 37. The first rotating shaft 31 and the second rotating shaft 33 are respectively rotatably connected to the first mounting seat 34 and are respectively connected to the first limiting mechanism 80. The third rotating shaft 35 and the fourth rotating shaft 37 are respectively rotatably connected to the second mounting seat 36 and are respectively connected to the second limiting mechanism 90.

Alternatively, in some embodiments, the first and second shafts 31, 33 are not coaxial with the third and fourth shafts 35, 37, respectively. In one embodiment, the first rotating shaft 31 and the second rotating shaft 33 are far away from the bending line of the bendable display device 100 relative to the third rotating shaft 35 and the fourth rotating shaft 37.

Referring to fig. 4 and 5 again, in some embodiments, the first bending portion 50 includes a first driving member 51, a first driven member 53 and a first supporting member 55; the second bending portion 70 includes a second driving member 71, a second driven member 73 and a second supporting member 75; the first driving member 51 and the second driving member 71 are respectively rotatably connected to opposite sides of the fourth mounting seat 310 of the middle connecting member 30; the first driven part 53 is movably connected to the first driving part 51, the second driven part 73 is movably connected to the second driving part 71, and the first driven part 53, the second driven part 73 and the middle connecting part 30 together support the third part 15; the first supporting member 55 is connected to the first driving member 51, and is used for supporting the first portion 11; the second supporting member 75 is connected to the second driving member 71, and is used for supporting the second portion 13; the first follower 53 and the second follower 73 are rotatably connected to the middle link 30 by a first stopper mechanism 80, respectively. Specifically, the first supporting member 55 is slidably connected to the first driving member 51, and the second supporting member 75 is slidably connected to the second driving member 71.

When the first driving element 51 and the second driving element 71 rotate relative to the middle connecting element 30, the first driven element 53 and the second driven element 73 are driven to move relative to the middle connecting element 30, and the first limiting mechanism 80 and the second limiting mechanism 90 are linked to limit at a plurality of folding angles when the bendable display device 100 is bent.

Referring to fig. 6, in some embodiments, the first driving element 51 and the second driving element 71 each include a first arm 511, a second arm 512 connected to the first arm 511 in a bending manner, and a third arm 513 extending from the second arm 512 in a direction away from the bending line. The first arm 511 of the first driving part 51 and the first arm 511 of the second driving part 71 are rotatably coupled to opposite sides of the middle link 30, respectively.

Referring to fig. 4, optionally, in some embodiments, the number of the first active parts 51 and the number of the second active parts 71 are two, the two first active parts 51 are respectively located at two ends of the middle connecting part 30 along the bending line direction, and the two second active parts 71 are respectively located at two ends of the middle connecting part 30 along the bending line direction. In other embodiments, the number of the first active member 51 and the second active member 71 may also be 1, 3, 4, or other numbers, which is not specifically limited in this application.

Alternatively, the rotation axes of the first and second active members 51 and 71 are close to the bending line of the bendable display device 100 with respect to the first and second rotation axes 31 and 33.

Optionally, in some embodiments, the first driving member 51 and the first driven member 53 are slidably connected through the matching of the sliding shafts of the sliding chutes; the second driving member 71 and the second driven member 73 are slidably connected by the matching of the sliding groove and the sliding shaft.

Specifically, the first driven member 53 and the second driven member 73 are both provided with a first sliding shaft 501, the first driving member 51 and the first arm 511 of the second driving member 71 are both provided with a first sliding groove 502, and the first driving member 51 drives the first driven member 53 to rotate relative to the middle connecting member 30 through the cooperation of the first sliding groove 502 and the first sliding shaft 501; the second driving member 71 drives the second driven member 73 to rotate relative to the middle connecting member 30 through the cooperation of the first sliding groove 502 and the first sliding shaft 501.

Referring to fig. 5, 7 and 8, in some embodiments, the first limiting mechanism 80 includes a first limiting member 81 and a second limiting member 83; the first limiting member 81 and the second limiting member 83 are respectively sleeved on the first rotating shaft 31 and the second rotating shaft 33; one side of the first limiting member 81 departing from the middle connecting member 30 is fixed to the first driven member 53, one side of the second limiting member 83 departing from the middle connecting member 30 is fixed to the second driven member 73, when the first driving member 51 and the second driving member 71 rotate in the opposite direction or in the opposite direction, the first driven member 53 and the second driven member 73 are driven to rotate in the opposite direction or in the opposite direction, so that the first limiting member 81 and the second limiting member 83 are driven to rotate in the opposite direction or in the opposite direction, and the first limiting member 81 and the second limiting member 83 limit the at least one first folding angle of the bendable display device 100.

Optionally, in some embodiments, friction is provided between the first limiting member 81 and the first rotating shaft 31, and between the second limiting member 83 and the second rotating shaft 33, when the first driving member 51 and the second driving member 71 respectively rotate around their rotating shafts in the opposite direction or in the opposite direction, the first driven member 53 and the second driven member 73 are respectively driven to rotate around their rotating shafts in the opposite direction or in the opposite direction, so as to drive the first limiting member 81 to rotate around the first rotating shaft 31, and the second limiting member 83 to rotate around the second rotating shaft 33; when the first driving member 51 and the second driving member 71 stop being stressed, under the action of the friction force between the first limiting member 81 and the first rotating shaft 31 and the friction force between the second limiting member 83 and the second rotating shaft 33, the relative angles of the first driving member 51 and the second driving member 71 are positioned, so that the foldable display device 100 is limited in at least one first folding angle.

Optionally, in some embodiments, the first limiting mechanism 80 further includes a third limiting member 85, and the third limiting member 85 is connected to the first limiting member 81 and the second limiting member 83 in a limiting manner, and is used for limiting the rotation angle of the first limiting member 81 and the second limiting member 83 when the first limiting member 81 and the second limiting member 83 rotate relative to the middle connecting member 30, respectively.

In some embodiments, the first limiting member 81 is fixed to the first rotating shaft 31, the second limiting member 83 is fixed to the second rotating shaft 33, and the third limiting member 85 is respectively sleeved on the first rotating shaft 31 and the second rotating shaft 33 and engaged with the first limiting member 81 and the second limiting member 83 to limit the rotating angle of the first limiting member 81 and the second limiting member 83.

When the first driving member 51 and the second driving member 71 respectively rotate towards or away from the middle connecting member 30, the first sliding groove 502 and the first sliding shaft 501 are matched to drive the first driven member 53 and the second driven member 73 to rotate towards or away from each other, so as to respectively drive the first limiting member 81 and the second limiting member 83 to rotate towards or away from each other relative to the middle connecting member 30, and simultaneously limit the rotation angle of the first limiting member 81 and the second limiting member 83 under the action of the third limiting member 85, so as to limit the rotation angle of the first supporting member 55 and the second supporting member 75.

Optionally, the limiting connection positions of the first limiting member 81, the second limiting member 83 and the third limiting member 85 are all a concave-convex wheel structure, and the rotation angles of the first supporting member 55 and the second supporting member 75 are limited by meshing of the concave-convex wheel structure. In the bending process of the bendable display device 100, the first limiting member 81 and the second limiting member 83 rotate in opposite directions or in opposite directions, and the concave-convex wheel of the first limiting member 81 and the concave-convex wheel of the third limiting member 85, and the concave-convex wheel of the second limiting member 83 and the concave-convex wheel of the third limiting member 85 are respectively switched between the disengaged state and the engaged state in sequence, so that the positioning function is realized.

Optionally, in some embodiments, the first limiting mechanism 80 further includes a first elastic member 87, the third limiting member 85 is movably sleeved on the first rotating shaft 31 and the second rotating shaft 33, the first elastic member 87 is sleeved on the first rotating shaft 31 and the second rotating shaft 33, and the first elastic member 87 pushes the first limiting member 81, the second limiting member 83, or the third limiting member 85, so that the first limiting member 81 is connected to the third limiting member 85 in a limiting manner, or the second limiting member 83 is connected to the third limiting member 85 in a limiting manner, or the first limiting member 81 and the second limiting member 83 are connected to the third limiting member 85 in a limiting manner, respectively.

Specifically, one end of the first elastic member 87 abuts against the first limiting member 81, the second limiting member 83, or the third limiting member 85, and the other end abuts against the first mounting base 34. In the embodiment, the two first elastic members 87 respectively push against two opposite ends of the third limiting member 85, so that the third limiting member 85 is connected to the first limiting member 81 and the second limiting member 83 in a limiting manner.

Alternatively, the first elastic member 87 may be a spring or an elastic sleeve or the like having elasticity.

Optionally, in some embodiments, the first limiting member 81 and the second limiting member 83 are slidably connected to the second limiting mechanism 90 through a sliding slot and a sliding shaft, and the first limiting member 81 and the second limiting member 83 rotate around the first rotating shaft 31 and the second rotating shaft 33 respectively toward or away from each other to drive the second limiting mechanism 90 to limit the at least one second folding angle of the foldable device.

Referring to fig. 7, specifically, the first limiting member 81 and the second limiting member 83 are both provided with a second sliding slot 801, the second sliding slots 801 of the first limiting member 81 and the second limiting member 83 are respectively connected to the second limiting mechanism 90 in a sliding manner, and the first limiting member 81 and the second limiting member 83 respectively rotate around the first rotating shaft 31 and the second rotating shaft 33 in an opposite or opposite direction, so as to drive the second limiting mechanism 90 to limit at least one second folding angle of the foldable display apparatus 100.

Referring to fig. 5, 7 and 8 again, in some embodiments, the second limiting mechanism 90 includes a first positioning element 91 and a second positioning element 93; the first positioning element 91 and the second positioning element 93 are respectively sleeved on the third rotating shaft 35 and the fourth rotating shaft 37; the first positioning member 91 and the first limiting member 81 are slidably connected through a sliding groove and a sliding shaft; the second positioning element 93 and the second limiting element 83 are connected with each other in a sliding manner through a sliding chute and a sliding shaft; when the first limiting member 81 and the second limiting member 83 rotate towards or away from each other, the first positioning member 91 and the second positioning member 93 are driven to rotate towards or away from each other, and the first positioning member 91 and the second positioning member 93 limit at least one second folding angle of the foldable display device 100.

Optionally, in some embodiments, friction is provided between the first positioning element 91 and the third rotating shaft 35, and between the second positioning element 93 and the fourth rotating shaft 37, when the first limiting element 81 and the second limiting element 83 are driven by the first driving element 51 and the second driving element 71 to rotate toward or away from the middle connecting element 30, the first positioning element 91 and the second positioning element 93 are driven to rotate toward or away from the middle connecting element 30, and when the first driving element 51 and the second driving element 71 stop being stressed, under the friction between the first positioning element 91 and the third rotating shaft 35 and the friction between the second positioning element 93 and the fourth rotating shaft 37, the relative angle between the first driving element 51 and the second driving element 71 is positioned, so as to limit the foldable display device 100 at least one second folding angle.

Referring to fig. 7 and fig. 9, specifically, the first positioning element 91 and the second positioning element 93 are respectively provided with a second sliding shaft 901, and the second sliding shaft 901 of the first positioning element 91 is slidably connected to the second sliding groove 801 of the first limiting element 81. The second sliding shaft 901 of the second positioning element 93 is slidably connected to the second sliding groove 801 of the second limiting element 83. When the first limiting member 81 and the second limiting member 83 are driven by the first driven member 53 and the second driven member 73 to rotate in the opposite direction or in the opposite direction, the first positioning member 91 and the second positioning member 93 are driven to rotate in the opposite direction or in the opposite direction by the cooperation of the second sliding groove 801 and the second sliding shaft 901, and the first positioning member 91 and the second positioning member 93 limit at least one second folding angle of the foldable display device 100.

Optionally, in some embodiments, the second limiting mechanism 90 further includes a third positioning element 95, and the third positioning element 95 is connected to the first positioning element 91 and the second positioning element 93 in a limiting manner, and is configured to limit the rotation angle of the first positioning element 91 and the rotation angle of the second positioning element 93 when the first positioning element 91 and the second positioning element 93 rotate relative to the middle connection element 30, respectively.

In some embodiments, the first positioning element 91 is fixed to the third rotating shaft 35, the second positioning element 93 is fixed to the fourth rotating shaft 37, and the third limiting element 85 is respectively sleeved on the third rotating shaft 35 and the fourth rotating shaft 37 and engaged with the first positioning element 91 and the second positioning element 93 to limit the rotating angles of the first positioning element 91 and the second positioning element 93.

When the first driving member 51 and the second driving member 71 respectively rotate towards or away from each other relative to the middle connecting member 30, the first driven member 53 and the second driven member 73 respectively drive the first limiting member 81 and the second limiting member 83 to rotate towards or away from each other, so as to drive the first positioning member 91 and the second positioning member 93 to rotate towards or away from each other, and simultaneously, under the action of the third positioning member 95, the rotation angles of the first positioning member 91 and the second positioning member 93 are limited, so that the rotation angles of the first supporting member 55 and the second supporting member 75 are limited.

Optionally, the limit joints of the first positioning element 91, the second positioning element 93 and the third positioning element 95 are all concave-convex wheel structures, and the rotation angles of the first support element 55 and the second support element 75 are limited by the engagement of the concave-convex wheel structures. In the bending process of the bendable display device 100, the first positioning element 91 and the second positioning element 93 rotate in opposite directions or in opposite directions, and the concave-convex cam of the first positioning element 91 and the concave-convex wheel of the third positioning element 95, and the concave-convex wheel of the second positioning element 93 and the concave-convex wheel of the third positioning element 95 are respectively switched between two states of disengagement and engagement in sequence, so that the positioning function is realized.

Optionally, in some embodiments, the second limiting mechanism 90 further includes a second elastic member 97, the third positioning member 95 is movably sleeved on the third rotating shaft 35 and the fourth rotating shaft 37, the second elastic member 97 is sleeved on the third rotating shaft 35 and the fourth rotating shaft 37, and the second elastic member 97 pushes the first positioning member 91, the second positioning member 93, or the third positioning member 95, so that the first positioning member 91 is connected to the third positioning member 95 in a limiting manner, or the second positioning member 93 is connected to the third positioning member 95 in a limiting manner, or the first positioning member 91 and the second positioning member 93 are connected to the third positioning member 95 in a limiting manner, respectively.

Specifically, one end of the second elastic element 97 abuts against the first positioning element 91, the second positioning element 93 or the third positioning element 95, and the other end abuts against the third mounting seat 39. In this embodiment, the two second elastic members 97 respectively push against two opposite ends of the third positioning member 95, so that the third positioning member 95 is connected to the first positioning member 91 and the second positioning member 93 in a limiting manner.

Alternatively, the second elastic member 97 may be a spring or an elastic sleeve or the like having elasticity.

Referring again to fig. 5, in some embodiments, the bendable display apparatus 100 of the embodiment of the present application further includes a synchronization assembly 20, wherein the synchronization assembly 20 is mounted on the middle connection member 30 and is connected to the first position-limiting mechanism 80 or the second position-limiting mechanism 90; the synchronizing assembly 20 is used for synchronously rotating the first bending portion 50 and the second bending portion 70.

Optionally, the synchronizing assembly 20 is a gear assembly, which includes a first gear 21 and a second gear 23 that rotates synchronously in opposite directions or in opposite directions with the first gear 21, the first gear 21 is mounted on the first rotating shaft 31, and the second gear 23 is mounted on the second rotating shaft 33, so that when the first limiting member 81 and the second limiting member 83 rotate in opposite directions or in opposite directions with respect to the middle connecting member 30, the rotation in opposite directions or in opposite directions is synchronously performed, and further the first supporting member 55 and the second supporting member 75 rotate synchronously in opposite directions or in opposite directions.

Optionally, the gear assembly further includes a third gear set 25, the third gear set 25 includes an even number of gears sequentially meshed and respectively rotatably connected to the first mounting seat 34 of the middle connecting member 30, the first gear 21 is meshed with the second gear 23 through the third gear set 25, so as to achieve synchronous opposite or opposite rotation of the first gear 21 and the second gear 23, that is, the first gear 21, the third gear set 25, and the second gear 23 are sequentially meshed. In the embodiment of fig. 5, the third gear set 25 includes two intermeshing gears.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present application, and these modifications or substitutions should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (15)

1. A bendable display device, comprising:

the flexible piece comprises a first part, a third part and a second part which are connected in sequence;

a middle connecting member for supporting the third portion;

the first bending part is movably arranged on one side of the middle connecting piece and is used for supporting the first part;

the second bent part is movably arranged on one side of the middle connecting piece, which is far away from the first bent part, and is used for supporting the second part; and

the first limiting mechanism is arranged on the middle connecting piece, connected to the first bending part and the second bending part respectively and used for limiting at least one first folding angle of the bendable display equipment.

2. A bendable display device according to claim 1, further comprising a second limiting mechanism movably connected to the first limiting mechanism for limiting at least one second folding angle of the bendable display device.

3. A bendable display device according to claim 2, wherein the at least one first folding angle comprises a plurality of first stable angles, the at least one second folding angle comprises a plurality of second stable angles, the plurality of first stable angles and the plurality of second stable angles are partially or completely non-coincident.

4. A bendable display device according to claim 1, wherein the third portion of the flexible member is bent with a predetermined radius of curvature when the bendable display device is bent.

5. A bendable display device according to claim 2, wherein the first bending part comprises a first driving part, a first driven part and a first support part, and the second bending part comprises a second driving part, a second driven part and a second support part; the first driving part and the second driving part are respectively and rotatably connected to two opposite sides of the middle connecting part; the first driven part is movably connected to the first driving part, the second driven part is movably connected to the second driving part, and the first driven part, the second driven part and the middle connecting part together support the third part; the first support part is connected to the first driving part and used for supporting the first part; the second supporting piece is connected to the second driving piece and used for supporting the second part; the first driven piece and the second driven piece are respectively connected to the middle connecting piece in a rotating mode through the first limiting mechanism;

when the first driving part and the second driving part rotate relative to the middle connecting part, the first driven part and the second driven part are driven to move relative to the middle connecting part, and the first limiting mechanism and the second limiting mechanism are linked to limit at a plurality of folding angles when the bendable display equipment is bent.

6. A bendable display device according to claim 5, wherein the first driving member and the first driven member are slidably connected by cooperation of a sliding shaft of a sliding chute; the second driving part and the second driven part are in sliding connection through matching of the sliding groove and the sliding shaft.

7. A bendable display device according to claim 5, wherein the middle connection member comprises a first rotation shaft and a second rotation shaft; the first limiting mechanism comprises a first limiting piece and a second limiting piece; the first limiting piece and the second limiting piece are respectively sleeved on the first rotating shaft and the second rotating shaft; the first limiting part deviates from one side of the middle connecting part and is fixed to the first driven part, the second limiting part deviates from one side of the middle connecting part and is fixed to the second driven part, when the first driving part and the second driving part rotate in opposite directions or in opposite directions, the first driven part and the second driven part rotate in opposite directions or in opposite directions, so that the first limiting part and the second limiting part rotate in opposite directions or in opposite directions, and the first limiting part and the second limiting part limit at least one first folding angle of the bendable display device.

8. A bendable display device according to claim 7, wherein the first position limiting mechanism further comprises a third position limiting member, the third position limiting member is connected to the first position limiting member and the second position limiting member for limiting the rotation angle of the first position limiting member and the second position limiting member when the first position limiting member and the second position limiting member rotate relative to the middle connecting member, respectively.

9. A bendable display device according to claim 8, wherein the first position-limiting mechanism further comprises a first elastic member, the third position-limiting member is movably sleeved on the first rotating shaft and the second rotating shaft, the first elastic member is sleeved on the first rotating shaft and the second rotating shaft, and the first elastic member abuts against the first position-limiting member, the second position-limiting member or the third position-limiting member.

10. A bendable display device according to claim 9, wherein the first limiting member and the second limiting member are slidably connected to the second limiting mechanism through a sliding slot and a sliding shaft, respectively, and the first limiting member and the second limiting member rotate around the first rotating shaft and the second rotating shaft, respectively, in opposite directions or opposite directions, to drive the second limiting mechanism to limit at least one second folding angle of the bendable display device.

11. A bendable display device according to claim 10, wherein the middle connection member further comprises a third rotation shaft and a fourth rotation shaft; the second limiting mechanism comprises a first positioning piece and a second positioning piece; the first positioning piece and the second positioning piece are respectively sleeved on the third rotating shaft and the fourth rotating shaft; the first positioning piece and the first limiting piece are connected with each other in a sliding mode through a sliding groove and a sliding shaft; the second positioning piece and the second limiting piece are connected with each other in a sliding mode through a sliding groove and a sliding shaft; when the first limiting part and the second limiting part rotate in opposite directions or in opposite directions, the first positioning part and the second positioning part are driven to rotate in opposite directions or in opposite directions, and the first positioning part and the second positioning part limit the at least one second folding angle of the foldable display device.

12. A bendable display device according to claim 11, wherein the second position-limiting mechanism further comprises a third positioning element, the third positioning element is connected to the first positioning element and the second positioning element for limiting the rotation angle of the first positioning element and the second positioning element when the first positioning element and the second positioning element rotate relative to the middle connecting element, respectively.

13. A bendable display device according to claim 12, wherein the second position limiting mechanism further comprises a second elastic member, the third positioning member is movably sleeved on the third rotating shaft and the fourth rotating shaft, the second elastic member is sleeved on the third rotating shaft and the fourth rotating shaft, and the second elastic member pushes against the first positioning member, the second positioning member or the third positioning member.

14. A bendable display device according to claim 7, further comprising a synchronization assembly mounted to the middle connector and connected to the first or second limiting mechanism, respectively; the synchronous component is used for enabling the first bending part and the second bending part to synchronously rotate.

15. A bendable display device according to claim 11, wherein the first and second axes of rotation are not coaxial with the third and fourth axes of rotation, respectively.

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