Storable bracket, back shell and display equipment

Abstract

The utility model relates to the technical field of supports, and provides a storable support, a back shell and a display device, which comprise a bottom column, two supporting rods, two shaft pieces, a middle column, a pitching piece, a screw, a pitching turntable, a rotating ring and a fixed shaft, each supporting rod is provided with a rotating hole and a pressing protrusion. The bottom column is provided with two groove bodies, a shaft piece is fixed in each groove body, and the supporting rod can rotate around the shaft pieces; due to the arrangement of the groove body, the supporting rod can be stored in the groove body; the middle column is arranged outside the bottom column in a sleeving manner, so that the bottom column can slide in the middle column; the pitching turntable can rotate relative to the pitching piece; a fixed shaft is fixed on the pitching turntable, and the rotating ring can rotate around the fixed shaft; according to the back shell with the storable bracket and the display equipment, the supporting rod can be stored in the groove body of the bottom column, the bottom column can be stored in the middle column, and the use space can be conveniently reduced through the combination of rotary storage and sliding storage.

Description

Technical Field

[0001] The utility model relates to the technical field of brackets, and in particular to a retractable bracket, a back shell and a display device. Background Art

[0002] In the prior art, a display device usually needs to be supported by a bracket.

[0003] The brackets in the prior art are usually not easy to adjust, take up a large space, and are not convenient for users to use. Utility Model Content

[0004] The main purpose of this application is to provide a stowable bracket, a back cover and a display device to solve the problem of the bracket occupying too much space in the prior art.

[0005] A first aspect of the utility model provides a retractable bracket, comprising a base column, two support rods, two shaft members, a middle column, a pitch member, screws, a pitch turntable, a swivel, and a fixed axis;

[0006] Each of the support rods has a rotation hole and a pressing protrusion;

[0007] The base column has two slots, each of which is fixed with a shaft, wherein the shaft passes through the rotation hole so that the corresponding support rod can rotate around the shaft;

[0008] The arrangement of the slot body enables the support rod to be accommodated in the slot body;

[0009] When the support rod is stored in the slot, the pressing protrusion is not stored in the slot, so that when the pressing protrusion is pressed and rotated into the slot, most of the support rod rotates out of the slot;

[0010] The middle column is sleeved outside the bottom column so that the bottom column can slide inside the middle column;

[0011] The pitch turntable has a turntable mounting hole;

[0012] A pitch member is fixed to the top of the center column, and the pitch member has two opposite pitch mounting holes. A nut is fixed in one of the pitch mounting holes. The screw is inserted into the other pitch mounting hole, passes through the turntable mounting hole, and is fixed on the nut, so that the pitch turntable can rotate relative to the pitch member.

[0013] A fixed shaft is fixed on the pitch turntable, and the rotating ring can rotate around the fixed shaft.

[0014] Optionally, the two support rods include a first support rod and a second support rod, the two shafts include a first shaft and a second shaft, and the two slots include a first slot and a second slot.

[0015] Optionally, the retractable bracket further comprises a first limiting module and a second limiting module, wherein the first limiting module is used to limit the rotation of the first support rod after the first support rod is completely rotated out of the first slot;

[0016] The second limiting module is used to limit the rotation of the second support rod after the second support rod is completely rotated out of the second slot;

[0017] The completely rotating out means rotating around the shaft until as much area of the support rod as possible is outside the slot body.

[0018] Optionally, the first limiting module includes a first button, a first spring, and a first latch; the second limiting module includes a second button, a second spring, and a second latch;

[0019] The bottom column has a front button hole and a rear button hole;

[0020] The front button hole is communicated with the first groove, and the rear button hole is communicated with the second groove.

[0021] Optionally, the front button hole has a front spring area and a front communication area, the first spring is located in the front spring area, the first button passes through the front communication area, and the first latch is located in the first slot;

[0022] The rear button hole has a rear spring area and a rear communication area, the second spring is located in the rear spring area, the second button passes through the rear communication area, and the second latch is located in the second slot.

[0023] Optionally, the telescopic limiting module includes a third button and a third spring;

[0024] The bottom column has a back groove, and the middle column has a limiting portion, which is opposite to the back groove.

[0025] Optionally, the third button is mounted on the limiting portion so that a portion of the third button for pressing is exposed from the limiting portion, and the third spring is sleeved on another portion of the third button;

[0026] A portion of the third button is always located in the back groove, so as to limit the sliding movement of the bottom column relative to the middle column.

[0027] Optionally, the back groove has a top limiting hole and a bottom limiting hole;

[0028] The third button can be locked with the top limiting hole or the bottom limiting hole to limit the sliding of the bottom column relative to the middle column.

[0029] A second aspect of the present invention provides a retractable back shell, comprising a back shell and the retractable bracket as described in the first aspect of the present invention.

[0030] A third aspect of the present invention provides a retractable back shell, comprising a display device body such as the retractable bracket described in the first aspect of the present invention.

[0031] The first aspect of the present invention provides a retractable bracket. The support rod can be retracted into the groove of the bottom column, and the bottom column can be retracted into the middle column. The combination of rotating and sliding storage can reduce the use space. The pitch turntable can adjust the pitch angle of the support, and the swivel can realize the rotation of the support, which is convenient for adjusting the direction of the support.

[0032] In the technical solution of the second aspect of the present invention, a retractable back shell is provided and a retractable bracket is applied to reduce the usage space. The pitch turntable can adjust the pitch angle of the support, and the setting of the swivel can realize the rotation support, which is convenient for adjusting the direction of the support.

[0033] The third aspect of the present invention provides a display device that utilizes a retractable bracket to reduce space requirements. The pitch turntable can adjust the pitch angle of the support, and the rotating ring can rotate the support to adjust the direction of the support. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a structural schematic diagram of a stowable bracket in a non-stowed state in an embodiment of the present invention;

[0035] Figure 2 This is a schematic structural diagram of the support rod of the retractable bracket in the embodiment of the present utility model when it is retracted;

[0036] Figure 3 This is a structural diagram of a fully retractable bracket in an embodiment of the present invention;

[0037] Figure 4 An exploded view of a retractable bracket in an embodiment of the present invention;

[0038] Figure 5 This is a structural schematic diagram of the first support rod in an embodiment of the present utility model;

[0039] Figure 6 This is another structural schematic diagram of the first support rod in an embodiment of the present utility model;

[0040] Figure 7 It is a part of another structural schematic diagram of the first support rod in an embodiment of the present utility model;

[0041] Figure 8This is a structural diagram of a telescopic limit module in an embodiment of the present utility model;

[0042] Figure 9 Schematic diagram of a structure of a pitching member in an embodiment of the present utility model;

[0043] Figure 10 Schematic diagram of another structure of the pitching member in the embodiment of the present utility model;

[0044] Figure 11 This is a structural schematic diagram of the first shaft member in an embodiment of the present utility model;

[0045] Figure 12 This is a schematic structural diagram of a screw in an embodiment of the present utility model;

[0046] Figure 13 This is a structural diagram of the first limiting module in an embodiment of the present utility model;

[0047] Figure 14 This is a structural diagram of the second limiting module in an embodiment of the present utility model;

[0048] Figure 15 This is a structural diagram of a center column in an embodiment of the present utility model;

[0049] Figure 16 Schematic diagram of the structure of the pitch turntable in the embodiment of the present utility model;

[0050] Figure 17 This is a schematic diagram of a combined state of a bottom column, two support rods and a middle column in an embodiment of the present utility model;

[0051] Figure 18 This is a structural diagram of a bottom column in an embodiment of the present utility model;

[0052] Figure 19 This is another structural schematic diagram of the bottom column in an embodiment of the present utility model;

[0053] Figure 20 This is another structural schematic diagram of the bottom column in an embodiment of the present utility model;

[0054] Figure 21 This is another structural schematic diagram of the bottom column in the embodiment of the present utility model;

[0055] Figure 22 This is a structural diagram of the bottom column at another angle in an embodiment of the present utility model;

[0056] Figure 23 A first cross-sectional schematic diagram of a portion of a bottom column in an embodiment of the present invention;

[0057] Figure 24 This is a schematic diagram of a first cross section of a bottom column in an embodiment of the present utility model;

[0058] Figure 25 This is a schematic diagram of a usage scenario of the retractable bracket in an embodiment of the present utility model;

[0059] Figure 26 This is a schematic diagram of a retractable bracket in an embodiment of the present utility model;

[0060] Figure 27 is a schematic diagram of a first cross section of the stowable bracket in a non-stowed state in an embodiment of the present invention;

[0061] Figure 28 is a schematic diagram of a first cross section of a support rod of a retractable bracket in an embodiment of the present invention;

[0062] Figure 29 Another schematic diagram of a first cross-section of the stowable bracket in a non-stowed state in an embodiment of the present invention;

[0063] Figure 30 It is a schematic diagram of the position of the first cross section in an embodiment of the present utility model. DETAILED DESCRIPTION

[0064] The following will describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0065] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms "including" or "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or apparatus that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or apparatus.

[0066] Reference Figure 1-30, an embodiment of the first aspect of the present invention provides a retractable bracket, comprising a base column, two support rods, two shaft members, a middle column, a pitch member, a screw, a pitch turntable, a swivel, and a fixed axis;

[0067] Each of the support rods has a rotation hole and a pressing protrusion;

[0068] The base column has two slots, each of which is fixed with a shaft, wherein the shaft passes through the rotation hole so that the corresponding support rod can rotate around the shaft;

[0069] The arrangement of the slot body enables the support rod to be accommodated in the slot body;

[0070] When the support rod is stored in the slot, the pressing protrusion is not stored in the slot, so that when the pressing protrusion is pressed and rotated into the slot, most of the support rod rotates out of the slot;

[0071] The middle column is sleeved outside the bottom column so that the bottom column can slide inside the middle column;

[0072] The pitch turntable has a turntable mounting hole;

[0073] A pitch member is fixed to the top of the center column, and the pitch member has two opposite pitch mounting holes. A nut is fixed in one of the pitch mounting holes. The screw is inserted into the other pitch mounting hole, passes through the turntable mounting hole, and is fixed on the nut, so that the pitch turntable can rotate relative to the pitch member.

[0074] A fixed shaft is fixed on the pitch turntable, and the rotating ring can rotate around the fixed shaft.

[0075] Optionally, the two support rods include a first support rod and a second support rod, the two shafts include a first shaft and a second shaft, and the two slots include a first slot and a second slot.

[0076] Optionally, the retractable bracket further comprises a first limiting module and a second limiting module, wherein the first limiting module is used to limit the rotation of the first support rod after the first support rod is completely rotated out of the first slot;

[0077] The second limiting module is used to limit the rotation of the second support rod after the second support rod is completely rotated out of the second slot.

[0078] Optionally, the first limiting module includes a first button, a first spring, and a first latch; the second limiting module includes a second button, a second spring, and a second latch;

[0079] The bottom column has a front button hole and a rear button hole;

[0080] The front button hole is communicated with the first groove, and the rear button hole is communicated with the second groove.

[0081] Optionally, the front button hole has a front spring area and a front communication area, the first spring is located in the front spring area, the first button passes through the front communication area, and the first latch is located in the first slot;

[0082] The rear button hole has a rear spring area and a rear communication area, the second spring is located in the rear spring area, the second button passes through the rear communication area, and the second latch is located in the second slot.

[0083] Optionally, the telescopic limiting module includes a third button and a third spring;

[0084] The bottom column has a back groove, and the middle column has a limiting portion, which is opposite to the back groove.

[0085] Optionally, the third button is mounted on the limiting portion so that a portion of the third button for pressing is exposed from the limiting portion, and the third spring is sleeved on another portion of the third button;

[0086] A portion of the third button is always located in the back groove, so as to limit the sliding movement of the bottom column relative to the middle column.

[0087] Optionally, the back groove has a top limiting hole and a bottom limiting hole;

[0088] The third button can be locked with the top limiting hole or the bottom limiting hole to limit the sliding of the bottom column relative to the middle column.

[0089] In another implementation, the retractable bracket includes a base column, two support rods, two shaft members, a center column, a pitch member, screws, a pitch turntable, a swivel, and a fixed axis;

[0090] Each of the support rods has a rotation hole and a pressing protrusion;

[0091] The base column has two slots, each of which is fixed with a shaft, wherein the shaft passes through the rotation hole so that the corresponding support rod can rotate around the shaft;

[0092] The arrangement of the slot body allows the support rod to be received in the slot body, wherein when the support rod is received in the slot body, the pressing protrusion is not received in the slot body; so that when the pressing protrusion is pressed and rotated into the slot body, most of the support rod rotates out of the slot body;

[0093] The middle column is tubular and is sleeved outside the bottom column so that the bottom column can slide inside the middle column;

[0094] The pitch turntable has a turntable mounting hole;

[0095] A pitch member is fixed to the top of the center column, and the pitch member has two opposite pitch mounting holes. A nut is fixed in one of the pitch mounting holes. The screw is inserted into the other pitch mounting hole, passes through the turntable mounting hole, and is fixed on the nut, so that the pitch turntable can rotate relative to the pitch member.

[0096] A fixed shaft is fixed on the pitch turntable, and the rotating ring can rotate around the fixed shaft.

[0097] In the first embodiment of the first aspect of the present invention, a retractable bracket is provided; the support rod can be retracted into the groove of the bottom column, and the bottom column can be retracted into the middle column. The combination of rotating and sliding storage facilitates space reduction. The pitch turntable can adjust the pitch angle of the support, and the provision of a swivel can realize the rotation of the support, facilitating the adjustment of the support direction.

[0098] Reference Figure 1-30 Another embodiment of the first aspect of the present invention provides a retractable bracket, comprising a base column 1, a first support rod 21, a second support rod 22, a first shaft 31, a second shaft 32, a first limit module 41, a second limit module 42, a center column 5, a telescopic limit module 6, a pitch member 7, a screw 8, a pitch turntable 90, a swivel 91, and a fixed shaft 92;

[0099] Optionally, the first limiting module 41 includes a first button 411, a first spring 412, and a first latch 413; the second limiting module 42 includes a second button 421, a second spring 422, and a second latch 423; the telescopic limiting module 6 includes a third button 63 and a third spring 64;

[0100] Optionally, the base column 1 has a first groove 11, a second groove 12, a back groove 16, a front button hole 13, and a rear button hole 14;

[0101] Optionally, the bottom column 1 has a first hole 101, a second hole 102, a third hole 103, and a fourth hole 104;

[0102] Optionally, the base column 1 has a front button hole 13, which is connected to the first slot 11. The position where the front button hole 13 is connected to the first slot 11 is recorded as a front connecting position, and the position where the first hole 101 is connected to the first slot 11 is recorded as a first position. The front connecting position and the first position are located on the same side of the first slot 11.

[0103] Optionally, the base column 1 has a rear button hole 14, which is connected to the second slot 12. The position where the rear button hole 14 is connected to the second slot 12 is recorded as the rear connecting position, and the position where the fourth hole 104 is connected to the second slot 12 is recorded as the fourth position. The rear connecting position and the fourth position are located on the same side of the second slot 12.

[0104] Optionally, the front button hole 13 has a front spring area 13a and a front communication area 13b, the first spring 412 is located in the front spring area 13a, the first button 411 passes through the front communication area 13b, and the first latch 413 is located in the first slot 11;

[0105] Optionally, the rear button hole 14 has a rear spring area 14a and a rear communication area 14b, the second spring 422 is located in the rear spring area 14a, the second button 421 passes through the rear communication area 14b, and the second latch 423 is located in the second slot 12;

[0106] Optionally, the side of the first groove 11 close to the back groove 16 is connected to the second hole 102, and the other side of the first groove 11 is connected to the first hole 101; the side of the second groove 12 close to the back groove 16 is connected to the fourth hole 104, and the other side of the second groove 12 is connected to the third hole 103;

[0107] Optionally, one end of the first shaft member 31 is fixed in the first hole 101 , and the other end of the first shaft member 31 is fixed in the second hole 102 ;

[0108] One end of the second shaft member 32 is fixed in the third hole 103 , and the other end of the second shaft member 32 is fixed in the fourth hole 104 .

[0109] Optionally, the bottom of the back groove 16 has a bottom limiting hole 161 , and the top of the back groove 16 has a top limiting hole 162 , wherein one end of the back groove 16 close to the fourth hole 104 is the bottom, and the other end is the top.

[0110] Optionally, the first support rod 21 has a rotation hole 211 and a pressing protrusion 212;

[0111] The first shaft 31 passes through the rotation hole 211 , so that the first support rod 21 can rotate relative to the first shaft 31 ;

[0112] The second support rod 22 has a rotation hole 221 and a pressing protrusion 222;

[0113] The second shaft member 32 passes through the rotation hole 221, so that the second support rod 22 can rotate relative to the second shaft member 32;

[0114] Optionally, the first support rod 21 and the second support rod 22 are symmetrically arranged;

[0115] Optionally, the pressing protrusion 212 has an inner buckle 212 a.

[0116] Optionally, the first limiting module 41 and the second limiting module 42 are symmetrically arranged;

[0117] The first spring 412 is sleeved on the first button 411. The first latch 413 passes through the hole in the middle of the first button 411 and restrains a portion of the first button 411 in the first slot 11. When the first button 411 is pressed, a portion of the first button 411 extends further into the first slot 11 and engages with the inner buckle 212a, thereby restraining the rotation of the first support rod 21.

[0118] After the first button 411 restrains the rotation of the first support rod 21, if the first button 411 is continued to be pressed, a portion of the first button 411 will extend further into the first slot 11 and the inner buckle 212a will be released. At this time, the first support rod 21 can rotate in the first slot 11.

[0119] Optionally, the center column 5 has a first exposure groove 51 and a second exposure groove 52 , so that when the bottom column 1 is received in the center column 5 , the pressing protrusion 212 extends from the first exposure groove 51 and the pressing protrusion 222 extends from the second exposure groove 52 .

[0120] Optionally, the center column has a limiting portion 53;

[0121] The third button 63 is mounted on the limiting portion so that the pressing portion of the third button 63 is exposed from the limiting portion 53 , and the third spring 64 is sleeved on the other portion of the third button 63 ;

[0122] Optionally, a portion of the third button 63 is always within the back groove 16;

[0123] When the bottom column 1 is completely stored in the middle column 5, the third button 63 can be locked with the bottom limit hole 161, so that the bottom column 1 cannot slide in the middle column 5;

[0124] By pressing the third button 63, the third button 63 can be controlled to be locked or unlocked with the bottom limit hole 161. When unlocked, the bottom column 1 can slide inside the middle column 5.

[0125] When the bottom column 1 extends from the middle column 5, the third button 63 can be locked with the top limiting hole 162, so that the bottom column 1 cannot slide in the middle column 5;

[0126] By pressing the third button 63 , the third button 63 can be controlled to be locked or unlocked with the top limiting hole 162 . When the third button 63 is unlocked, the bottom column 1 can slide in the middle column 5 .

[0127] Optionally, the pitch member 7 has two opposing pitch mounting holes, a nut is fixed in one of the pitch mounting holes, and a screw 8 is inserted from the other mounting hole, passes through the turntable mounting hole 901, and is fixed on the nut, so that the pitch turntable 90 can rotate relative to the pitch member 7;

[0128] Optionally, the top of the screw 8 has a thread, which can be screwed together with the nut to be fixed;

[0129] Optionally, the middle portion of the screw 8 does not have a thread, so that the friction force experienced by the pitch turntable 90 when rotating relative to the pitch member 7 is reduced;

[0130] Optionally, a gasket providing damping is provided between the screw 8 and the turntable mounting hole 901;

[0131] Optionally, the pitch member 7 is fixed to the inner side of the top end of the center column 5 , wherein the top end of the center column 5 is the end of the center column that does not have the first exposed groove 51 ;

[0132] Optionally, a space is left in the middle of the pitch member so that the pitch turntable 90 has enough space to rotate relative to the pitch member 7;

[0133] Optionally, the fixed axis 92 is fixed at the center of the pitch turntable 90 , so that the rotating ring 91 can rotate around the fixed axis 92 ;

[0134] Optionally, the swivel 91 may be configured as a magnetic material, for magnetically attracting the back of the supported object during use of the retractable bracket;

[0135] Optionally, the swivel 91 may be provided with a plurality of mounting holes or mounting protrusions for fixing to the back shell so as to be able to accommodate the back shell;

[0136] Optionally, the rotating ring 91 may be provided with a plurality of mounting holes or mounting protrusions for fixing to the back shell of the display device body, thereby realizing a display device using the retractable bracket;

[0137] Optionally, a circular groove may be provided on the back shell to facilitate assembly with the retractable bracket;

[0138] Optionally, the back shell can be fixed between the rotating ring 91 and the pitch turntable 90.

[0139] In this specification, the first cross section passes through the front button hole and the rear button hole.

[0140] In another embodiment of the first aspect of the present invention, a stowable bracket is provided; the support rod can be stowed into the groove of the bottom column, and the bottom column can be stowed into the middle column. The combination of rotating and sliding stowage facilitates space reduction. The pitch turntable can adjust the pitch angle of the support, and the provision of a swivel can realize rotating support, facilitating adjustment of the support direction.

[0141] Reference Figure 1-30 An embodiment of the second aspect of the present invention provides a retractable back shell, comprising a back shell and the retractable bracket described in the first aspect of the present invention.

[0142] In the technical solution of the second aspect of the present invention, a retractable back shell is provided and a retractable bracket is applied to reduce the usage space. The pitch turntable can adjust the pitch angle of the support, and the setting of the swivel can realize the rotation support, which is convenient for adjusting the direction of the support.

[0143] Reference Figure 1-30 An embodiment of the third aspect of the present invention provides a display device, comprising a display device body and the retractable bracket described in the first aspect of the present invention.

[0144] The third aspect of the present invention provides a display device that utilizes a retractable bracket to reduce space requirements. The pitch turntable can adjust the pitch angle of the support, and the rotating ring can rotate the support to adjust the direction of the support.

[0145] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations within the meaning and range of equivalents of the claims be embraced herein.

Claims

1. A retractable bracket, characterized in that: It includes a base column, two support rods, two shafts, a middle column, a pitch component, screws, a pitch turntable, a swivel, and a fixed axis; Each of the support rods has a rotation hole and a pressing protrusion; The base column has two slots, each of which is fixed with a shaft, wherein the shaft passes through the rotation hole so that the corresponding support rod can rotate around the shaft; The arrangement of the slot body allows the support rod to be received in the slot body, wherein when the support rod is received in the slot body, the pressing protrusion is not received in the slot body; so that when the pressing protrusion is pressed and rotated into the slot body, most of the support rod rotates out of the slot body; The middle column is tubular and is sleeved outside the bottom column so that the bottom column can slide inside the middle column; The pitch turntable has a turntable mounting hole; A pitch member is fixed to the top of the center column, and the pitch member has two opposite pitch mounting holes. A nut is fixed in one of the pitch mounting holes. The screw is inserted into the other pitch mounting hole, passes through the turntable mounting hole, and is fixed on the nut, so that the pitch turntable can rotate relative to the pitch member. A fixed shaft is fixed on the pitch turntable, and the rotating ring can rotate around the fixed shaft.

2. The retractable bracket according to claim 1, wherein: The two support rods include a first support rod and a second support rod, the two shafts include a first shaft and a second shaft, and the two slots include a first slot and a second slot.

3. The retractable bracket according to claim 2, wherein: The retractable bracket further includes a first limiting module and a second limiting module, wherein the first limiting module is used to limit the rotation of the first support rod after the first support rod is completely rotated out of the first slot; The second limiting module is used to limit the rotation of the second support rod after the second support rod is completely rotated out of the second slot; The completely rotating out means rotating around the shaft until as much area of the support rod as possible is outside the slot body.

4. The retractable bracket according to claim 3, wherein: The first limiting module includes a first button, a first spring, and a first latch; the second limiting module includes a second button, a second spring, and a second latch; The bottom column has a front button hole and a rear button hole; The front button hole is communicated with the first groove, and the rear button hole is communicated with the second groove.

5. The retractable bracket according to claim 4, wherein: The front button hole has a front spring area and a front communication area, the first spring is located in the front spring area, the first button passes through the front communication area, and the first latch is located in the first slot; The rear button hole has a rear spring area and a rear communication area, the second spring is located in the rear spring area, the second button passes through the rear communication area, and the second latch is located in the second slot.

6. The stowable bracket according to claim 1, wherein: The telescopic limit module includes a third button and a third spring; The bottom column has a back groove, and the middle column has a limiting portion, which is opposite to the back groove.

7. The stowable bracket according to claim 6, wherein: The third button is mounted on the limiting portion so that a portion of the third button for pressing is exposed from the limiting portion, and the third spring is sleeved on another portion of the third button; A portion of the third button is always located in the back groove, so as to limit the sliding movement of the bottom column relative to the middle column.

8. The stowable bracket according to claim 7, wherein: The back groove is provided with a top limiting hole and a bottom limiting hole; The third button can be locked with the top limiting hole or the bottom limiting hole to limit the sliding of the bottom column relative to the middle column.

9. A retractable back shell, characterized in that: The stowable back shell comprises a back shell and a stowable bracket according to any one of claims 1 to 8.

10. A display device, characterized in that: The display device comprises a display device body and the retractable bracket according to any one of claims 1 to 8.

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