LED display screen front maintenance device

By designing the LED display before maintaining the device, the switching state of the locking part can be used to achieve the rapid installation and disassembly of the display module, solving the problem that traditional technologies cannot meet different on -site requirements, and improve the convenience and efficiency of maintenance.

CN119383884APending Publication Date: 2025-01-28KONUO ZHIXIAN (SHENZHEN) TECH CO LTD
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Patent Information

Application Number
CN202411604413.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-01-28

AI Technical Summary

Technical Problem

Traditionally, maintenance and disassembly from behind the display screen cannot meet the needs of different sites, especially in terms of installation and disassembly, preventing black screens, and upgrading and updating of technology.

Method used

A LED display front maintenance device is designed, including frameworks, display modules and locking parts. The locking part can switch between the first state and the second state through the cooperation of the lock seat and the lock core, realize the insertion or pulling out of the plug hole, and the lock connection with the framework. And disassembling.

Benefits of technology

Through the rapid installation and disassembly of the display module in front of the display, the problem that traditional technologies cannot meet different on -site requirements have been solved, and the convenience and efficiency of maintenance are improved.

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Abstract

The invention provides an LED display screen front maintenance device, and relates to the technical field of display screen maintenance, and the LED display screen front maintenance device mainly comprises a frame, a display module and a locking piece. The frame is provided with an insertion hole; the display module is provided with a through hole; the locking piece is fixed to the back side of the display module and corresponds to the through hole, and the display module is detachably connected with the frame through the locking piece. The locking piece comprises a lock seat and a lock cylinder capable of moving relative to the lock seat, and the lock cylinder is used for switching the locking piece between the first state and the second state. When the locking piece is in the first state, the locking piece is used for being inserted into the insertion hole or pulled out of the insertion hole; and when the locking piece is in the second state, the locking piece is used for being connected with the frame in a locking manner. According to the embodiment of the invention, the display module can be quickly and conveniently mounted and dismounted on the front side of the frame.
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Description

Technical Field

[0001] The invention relates to the technical field of display screen maintenance, and in particular to a front maintenance device for an LED display screen. Background Art

[0002] With the development of display technology, the application fields of display are becoming wider and wider. The demand for high-definition display screens is increasing, and large display screens are gradually becoming popular among users. The key point is to meet the needs of various on-site environments for installation and disassembly, prevent black screens, and facilitate technical upgrades and updates. The traditional maintenance and disassembly technology from the back of the display screen can no longer meet the requirements. Summary of the invention

[0003] In view of the shortcomings of the existing methods, the present application provides a front maintenance device for an LED display screen, so as to solve the technical problem that the conventional maintenance and disassembly technology from the back of the display screen cannot meet the requirements of different sites.

[0004] An embodiment of the present application provides a maintenance device in front of an LED display screen, comprising: a frame, which is provided with a plug hole; a display module, which is provided with a through hole; a locking piece, which is fixed to the back side of the display module and corresponds to the through hole, and the display module is detachably connected to the frame through the locking piece; the locking piece comprises a lock seat, and a lock core that can move relative to the lock seat, and is used for switching the locking piece between a first state and a second state; when the locking piece is in the first state, the locking piece is used to be inserted into or pulled out of the plug hole; when the locking piece is in the second state, the locking piece is used to be locked and connected to the frame.

[0005] As an optional embodiment, the lock seat also includes an accommodating groove for accommodating the lock core, and the lock core slides along the accommodating groove; the locking member is in the first state, and a portion of the lock core extends out of the lock seat for locking connection with the frame; the locking member is in the second state, and the lock core retracts into the lock seat.

[0006] As an optional embodiment, the lock seat also includes a limit piece; the side of the lock core has a long sliding groove; the limit piece passes through the lock seat and is slidably connected to the sliding groove, so as to limit the movement distance of the lock core relative to the lock seat.

[0007] As an optional embodiment, the lock seat includes a connecting portion, a first plug-in portion and a second plug-in portion; the connecting portion is provided with a threaded hole, and a bolt passes through the threaded hole for bolt connection between the lock seat and the display module; the first plug-in portion and the second plug-in portion are respectively arranged on opposite sides of the connecting portion, the first plug-in portion is used to plug into the display module, the second plug-in portion is used to pass through the plug-in hole, and the second plug-in portion has the accommodating groove.

[0008] As an optional embodiment, the lock seat is provided with a first through hole, which passes through the first plug-in portion, the connecting portion, the groove and the second plug-in portion; the lock core is provided with a second through hole; when the locking member is in the second state, the first through hole and the second through hole are connected.

[0009] As an optional implementation, the LED display screen maintenance device further includes: an unlocking member having a rod-shaped unlocking portion, the unlocking portion passes through the through hole, and the first through hole and the second through hole realize unlocking.

[0010] As an optional embodiment, the opening area of ​​the first end of the second through hole is larger than the opening area of ​​the second end, and the flow area of ​​the second through hole gradually decreases along the direction from the first end of the second through hole to the second end, and a downward inclined sliding surface is formed at the top of the second through hole, and the sliding surface is respectively connected to the first end of the second through hole and the second end of the second through hole.

[0011] As an optional embodiment, the locking member also includes: an elastic member, which is clamped between the lock core and the lock seat; when the lock core retracts into the lock seat, the elastic member deforms to accumulate elastic potential energy, and the elastic member releases the accumulated elastic potential energy, and a portion of the lock core extends out of the lock seat.

[0012] As an optional embodiment, the bottom of the accommodating groove is provided with a columnar structure extending toward the lock core, and the elastic member has a sleeve hole, and the elastic member is sleeved on the outside of the columnar structure through the sleeve hole; a recess is formed on the side of the lock core facing the bottom of the accommodating groove, and the end of the elastic member opposite to the columnar structure extends into the recess; the locking member is in the second state, and the columnar structure and the elastic member are both accommodated in the recess.

[0013] As an optional embodiment, the LED display screen front maintenance device also includes: a positioning piece, fixed to the back side of the display module and protruding from the display module, the positioning piece and the locking piece are arranged at a distance; the frame also has a positioning hole for cooperating with the positioning piece.

[0014] The present application provides a maintenance device for an LED display screen. The technical solution provided by the embodiments of the present application brings at least the following beneficial effects:

[0015] When installing the display module, the locking member is in the first state. By moving the display module and inserting the locking member into the through hole, the locking member switches from the first state to the second state, and the locking member is locked and connected with the frame to fix the display module. When removing the display module, the locking member switches from the second state to the first state, and the locking member and the frame are unlocked. The locking member can be pulled out of the through hole by moving the display module. In this way, the display module can be quickly and conveniently installed and removed on the front side of the frame.

[0016] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0018] Figure 1 A schematic diagram of the structure of a LED display screen front maintenance device provided in an embodiment of the present application;

[0019] Figure 2 A schematic diagram of the structure of a LED display screen front maintenance device provided by another embodiment of the present application;

[0020] Figure 3 A schematic diagram of the positional relationship between a display module, a locking member and a positioning member in a front maintenance device for an LED display screen provided in an embodiment of the present application;

[0021] Figure 4 A schematic diagram of the structure of a locking member in a front maintenance device for an LED display screen provided in an embodiment of the present application;

[0022] Figure 5 A schematic diagram of a locking member in a front maintenance device for an LED display screen provided in an embodiment of the present application being in a second state;

[0023] Figure 6 for Figure 5 Longitudinal section of

[0024] Figure 7 A schematic diagram of a locking member in a front maintenance device for an LED display screen provided in an embodiment of the present application being in a first state;

[0025] Figure 8 A schematic diagram of the structure of a lock seat in a front maintenance device for an LED display screen provided in an embodiment of the present application;

[0026] Fig. 9A schematic diagram of the positional relationship between an elastic member, a lock core and a limit member in a front maintenance device for an LED display screen provided in an embodiment of the present application;

[0027] Fig.10 A schematic diagram of the structure of an unlocking component in a front maintenance device for an LED display screen provided in an embodiment of the present application.

[0028] Reference numerals and corresponding descriptions:

[0029] 1: frame; 11: plug hole; 12: positioning hole;

[0030] 2: display module; 21: through hole;

[0031] 3: locking member; 31: lock seat; 311: accommodating groove; 312: limiting member; 313: connecting portion; 314: first plug-in portion; 315: second plug-in portion; 316: threaded hole; 317: first through hole; 318: columnar structure; 32: lock core; 321: sliding groove; 322: second through hole; 323: recess; 33: elastic member;

[0032] 4: unlocking member; 41: unlocking portion; 42: handle portion;

[0033] 5: Positioning parts. DETAILED DESCRIPTION

[0034] The present application is described in detail below, and examples of embodiments of the present application are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar components or components with the same or similar functions. In addition, if the detailed description of the known technology is unnecessary for the features of the present application shown, it will be omitted. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be interpreted as limiting the present application.

[0035] Those skilled in the art will appreciate that, unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the term "comprising" used in the specification of the present application refers to the presence of the features, elements and / or components, but does not exclude the presence or addition of one or more other features, elements, components and / or groups thereof. The term "and / or" used herein includes all or any unit and all combinations of one or more associated listed items.

[0036] like Figure 1-9As shown, the embodiment of the present application provides a front maintenance device for an LED display screen, which mainly includes a frame 1, a display module 2 and a locking member 3. The frame 1 is provided with a plug hole 11; the display module 2 is provided with a through hole 21; the locking member 3 is fixed to the back side of the display module 2 and corresponds to the through hole 21, and the display module 2 is detachably connected to the frame 1 through the locking member 3; the locking member 3 includes a lock seat 31, and a lock core 32 that can move relative to the lock seat 31, and is used to switch the locking member 3 between a first state and a second state; the locking member 3 is in the first state, and the locking member 3 is used to insert into the plug hole 11 or to pull out of the plug hole 11; the locking member 3 is in the second state, and the locking member 3 is used to be locked and connected with the frame 1.

[0037] In this embodiment, the frame 1 is plate-shaped, and the frame 1 is vertically arranged. It is used to install at least one display module 2, and the through hole 21 is opened along the thickness direction of the frame 1. The display module 2 is plate-shaped, the front side of the display module 2 is the display side, and the back side of the display module 2 is the side opposite to the display side. A plurality of locking members 3 are installed on the back side of the display module 2, and the plurality of locking members 3 are evenly distributed. For example, the display module 2 is rectangular, and four locking members 3 are arranged near the four corners of the display module 2.

[0038] In the LED display screen front maintenance device provided by the embodiment of the present application, when the display module 2 is installed, the locking member 3 is in the first state, and the locking member 3 is inserted into the through hole 21 by moving the display module 2, and the locking member 3 is switched from the first state to the second state, and the locking member 3 is locked and connected with the frame 1 to fix the display module 2; when the display module 2 is removed, the locking member 3 is switched from the second state to the first state, and the locking member 3 is unlocked from the frame 1, and the locking member 3 can be pulled out of the through hole 21 by moving the display module 2. In this way, the display module 2 can be quickly and conveniently installed and removed on the front side of the frame 1.

[0039] like Figure 4-8 As shown, as an optional embodiment, the lock seat 31 also includes a receiving groove 311 for receiving the lock core 32, and the lock core 32 slides along the receiving groove 311; the locking member 3 is in a first state, and a portion of the lock core 32 extends out of the lock seat 31 for locking connection with the frame 1; the locking member 3 is in a second state, and the lock core 32 retracts into the lock seat 31.

[0040] Based on the above embodiments, in this embodiment, the accommodating groove 311 is connected to the outside, and the lock core 32 slides along the accommodating groove 311 to extend or retract the lock seat 31. A portion of the lock core 32 extends out of the lock seat 31 to form a locking structure, and the display module 2 and the frame 1 are relatively fixed; the lock core 32 retracts into the lock seat 31 to form an avoidance structure, and the display module 2 can move relative to the frame 1 to achieve disassembly or assembly.

[0041] like Figure 7 and 9As shown, as an optional embodiment, the lock seat 31 also includes a limit member 312; the side of the lock core 32 has a long sliding groove 321; the limit member 312 is penetrated through the lock seat 31 and is slidably connected to the sliding groove 321, which is used to limit the movement distance of the lock core 32 relative to the lock seat 31.

[0042] Based on the foregoing embodiments, in this embodiment, the limit member 312 is columnar, and the lock seat 31 is provided with a hole structure connected to the sliding groove 321. The columnar member passes through the hole structure and extends into the sliding groove 321, and is used to limit the maximum distance that the lock core 32 can move relative to the lock seat 31 in the direction of extending out of the lock seat 31 or retracting into the lock seat 31, so as to prevent the lock core 32 from falling off the lock seat 31.

[0043] like Figure 6 As shown, as an optional embodiment, the lock base 31 includes a connecting portion 313, a first plug-in portion 314 and a second plug-in portion 315; the connecting portion 313 is provided with a threaded hole 316, and a bolt passes through the threaded hole 316 for bolt connection between the lock base 31 and the display module 2; the first plug-in portion 314 and the second plug-in portion 315 are respectively arranged on opposite sides of the connecting portion 313, the first plug-in portion 314 is used to plug with the display module 2, the second plug-in portion 315 is used to pass through the plug-in hole 11, and the second plug-in portion 315 has a accommodating groove 311.

[0044] Based on the above embodiments, in this embodiment, the connection portion 313 is plate-shaped, and the threaded hole 316 is opened along the thickness direction of the connection portion 313. The first plug-in portion 314 and the second plug-in portion 315 are both columnar, and the first plug-in portion 314 and the second plug-in portion 315 are coaxially arranged. The second plug-in portion 315 passes through the plug-in hole 11, the connection portion 313 is fitted with the frame 1, the first plug-in portion 314 and the second plug-in portion 315 are respectively located on opposite sides of the frame 1, and the lock core 32 and the display module 2 are respectively located on opposite sides of the frame 1.

[0045] Optionally, the connecting portion 313, the first plug-in portion 314 and the second plug-in portion 315 are integrally formed.

[0046] like Figure 6 As shown, as an optional embodiment, the lock seat 31 is provided with a first through hole 317, and the first through hole 317 passes through the first plug-in portion 314, the connecting portion 313, the groove and the second plug-in portion 315; the lock core 32 is provided with a second through hole 322; the locking member 3 is in the second state, and the first through hole 317 and the second through hole 322 are connected.

[0047] Based on the aforementioned embodiments, in this embodiment, the locking member 3 is in the first state, a portion of the lock core 32 extends out of the lock seat 31, the lock core 32 moves to a position where the first through hole 317 and the second through hole 322 are misaligned, and the first through hole 317 and the second through hole 322 are not connected; the locking member 3 is in the second state, the lock core 32 retracts into the lock seat 31, and the lock core 32 moves to a position where the first through hole 317 and the second through hole 322 are connected.

[0048] like Fig.10 As shown, as an optional embodiment, the LED display screen front maintenance device also includes an unlocking member 4, which has a rod-shaped unlocking portion 41, and the unlocking portion 41 passes through the through hole 21, the first through hole 317 and the second through hole 322 to achieve unlocking.

[0049] Based on the above-mentioned embodiment, in this embodiment, the unlocking member 4 includes a handle portion 42 and an unlocking portion 41 connected at an angle. The handle portion 42 and the unlocking portion 41 are both rod-shaped structures. Optionally, the handle portion 42 and the unlocking portion 41 are arranged in a T shape. The unlocking portion 41 passes through the through hole 21, the first through hole 317 and the second through hole 322, and drives the lock core 32 to move into the accommodating groove 311 until the first through hole 317 and the second through hole 322 are connected, and the lock core 32 is also retracted into the lock seat 31, so that the locking member 3 is in the first state.

[0050] like Figure 6 As shown, as an optional embodiment, the opening area of ​​the first end of the second through hole 322 is larger than the opening area of ​​the second end, and the flow area of ​​the second through hole 322 gradually decreases along the direction from the first end of the second through hole 322 to the second end, and a downwardly inclined sliding surface is formed at the top of the second through hole 322, which is respectively connected to the first end of the second through hole 322 and the second end of the second through hole 322.

[0051] Based on the above-mentioned embodiment, in this embodiment, the first end of the second through hole 322 is the inlet end, and the second end of the second through hole 322 is the outlet end. In the horizontal direction, the cross section perpendicular to the axial direction of the second through hole 322 is approximately triangular, and the bottom of the second through hole 322 is a horizontally arranged surface structure. The unlocking portion 41 passes through the through hole 21, the first through hole 317 and the second through hole 322, and the unlocking portion 41 is slidably connected with the downwardly inclined sliding surface to realize that the lock core 32 is also retracted into the lock seat 31, so that the locking member 3 is in the first state.

[0052] like Figure 6 and 9As shown, as an optional embodiment, the locking member 3 also includes an elastic member 33, which is clamped between the lock core 32 and the lock seat 31; the lock core 32 retracts into the lock seat 31, the elastic member 33 deforms to accumulate elastic potential energy, the elastic member 33 releases the accumulated elastic potential energy, and a portion of the lock core 32 extends out of the lock seat 31.

[0053] With the above solution, the unlocking portion 41 withdraws from the second through hole 322 , and the elastic member 33 releases the accumulated elastic potential energy to push the lock core 32 out of the lock seat 31 , so that the locking member 3 is in the second state.

[0054] like Figure 6 As shown, as an optional embodiment, a columnar structure 318 extending toward the lock core 32 is provided at the bottom of the accommodating groove 311, and the elastic member 33 has a sleeve hole, and the elastic member 33 is sleeved on the outside of the columnar structure 318 through the sleeve hole; a recess 323 is formed on the side of the lock core 32 opposite to the columnar structure 318, and one end of the elastic member 33 opposite to the columnar structure 318 extends into the recess 323; the locking member 3 is in the second state, and the columnar structure 318 and the elastic member 33 are both accommodated in the recess 323.

[0055] Based on the above embodiments, in this embodiment, the elastic member 33 is a spring, the top end of the spring is sleeved outside the columnar structure 318, and the bottom end of the top end of the spring extends into the recess 323 of the lock core 32. Regardless of the position of the lock core 32, the spring is always in a compressed state, the difference is the size of the compression; when the lock core 32 is retracted into the lock seat 31, the spring compression is the largest; when a part of the lock core 32 extends out of the lock seat 31, the spring compression is the smallest.

[0056] like Figure 2-3 As shown, as an optional embodiment, the front maintenance device of the LED display screen also includes a positioning member 5, which is fixed to the back side of the display module 2 and protrudes from the display module 2, and the positioning member 5 is spaced apart from the locking member 3; the frame 1 is also provided with a positioning hole 12 for cooperating with the positioning member 5.

[0057] Based on the above embodiments, in this embodiment, the positioning member 5 is cylindrical, and one end of the limiting member 312 is fixedly connected to the display module 2, such as by bolts. The positioning member 5 passes through the positioning hole 12 to align the display module 2 with the frame 1, and the positioning member 5 passes through the positioning hole 12 to play a certain supporting role.

[0058] In the description of the present application, it should be understood that the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0059] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0060] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0061] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0062] The above description is only a partial implementation method of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A maintenance device for LED display screen, characterized in that: include: The frame (1) is provided with a plug-in hole (11); A display module (2) is provided with a through hole (21); A locking member (3) is fixed to the back side of the display module (2) and corresponds to the through hole (21), and the display module (2) is detachably connected to the frame (1) via the locking member (3); the locking member (3) comprises a lock seat (31) and a lock core (32) movable relative to the lock seat (31) and used for switching the locking member (3) between a first state and a second state; The locking member (3) is in the first state, and the locking member (3) is used to be inserted into the plug hole (11) or pulled out of the plug hole (11); the locking member (3) is in the second state, and the locking member (3) is used to be locked and connected with the frame (1).

2. The LED display screen maintenance device according to claim 1, characterized in that: The lock seat (31) further comprises a receiving groove (311) for receiving the lock core (32), and the lock core (32) slides along the receiving groove (311); The locking member (3) is in the first state, and a portion of the lock core (32) extends out of the lock seat (31) for locking connection with the frame (1); The locking member (3) is in the second state, and the lock core (32) is retracted into the lock seat (31).

3. The LED display screen maintenance device according to claim 2, characterized in that: The lock seat (31) also includes a limiting member (312); The side of the lock core (32) has a long sliding groove (321); The limiting member (312) is disposed through the lock seat (31) and is slidably connected to the sliding groove (321), and is used to limit the moving distance of the lock core (32) relative to the lock seat (31).

4. The LED display screen front maintenance device according to claim 2, characterized in that: The lock seat (31) comprises a connecting portion (313), a first plug-in portion (314) and a second plug-in portion (315); The connecting portion (313) is provided with a threaded hole (316), and a bolt passes through the threaded hole (316) for bolt connection between the lock seat (31) and the display module (2); The first plug-in portion (314) and the second plug-in portion (315) are respectively arranged on opposite sides of the connecting portion (313); the first plug-in portion (314) is used for plugging with the display module (2); the second plug-in portion (315) is used for passing through the plug-in hole (11); and the second plug-in portion (315) has the accommodating groove (311).

5. The LED display screen maintenance device according to claim 4, characterized in that: The lock seat (31) is provided with a first through hole (317), and the first through hole (317) penetrates the first plug-in portion (314), the connecting portion (313), the groove and the second plug-in portion (315); The lock core (32) is provided with a second through hole (322); The locking member (3) is in the second state, and the first through hole (317) and the second through hole (322) are in communication.

6. The LED display screen maintenance device according to claim 5, characterized in that: Also includes: The unlocking member (4) has a rod-shaped unlocking portion (41), wherein the unlocking portion (41) passes through the through hole (21), and the first through hole (317) and the second through hole (322) realize unlocking.

7. The LED display screen front maintenance device according to claim 6, characterized in that: The opening area of ​​the first end of the second through hole (322) is larger than the opening area of ​​the second end, and the flow area of ​​the second through hole (322) gradually decreases along the direction from the first end of the second through hole (322) to the second end, and a downwardly inclined sliding surface is formed at the top of the second through hole (322), and the sliding surface is respectively connected to the first end of the second through hole (322) and the second end of the second through hole (322).

8. The LED display screen maintenance device according to claim 2, characterized in that: The locking member (3) further comprises: An elastic member (33) is sandwiched between the lock core (32) and the lock seat (31); The lock core (32) retracts into the lock seat (31), the elastic member (33) deforms to accumulate elastic potential energy, the elastic member (33) releases the accumulated elastic potential energy, and a portion of the lock core (32) extends out of the lock seat (31).

9. The LED display screen front maintenance device according to claim 8, characterized in that: The bottom of the accommodating groove (311) is provided with a columnar structure (318) extending toward the lock core (32); the elastic member (33) has a sleeve hole, and the elastic member (33) is sleeved on the outside of the columnar structure (318) through the sleeve hole; A concave portion (323) is formed on a side of the lock core (32) opposite to the columnar structure (318), and an end of the elastic member (33) opposite to the columnar structure (318) extends into the concave portion (323); The locking member (3) is in the second state, and the columnar structure (318) and the elastic member (33) are both accommodated in the recess (323).

10. The LED display screen maintenance device according to any one of claims 1 to 9, characterized in that: Also includes: A positioning member (5) is fixed to the back side of the display module (2) and protrudes from the display module (2), and the positioning member (5) and the locking member (3) are arranged at a distance; The frame (1) is also provided with a positioning hole (12) for cooperating with the positioning member (5).

Citation Information

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