LED display screen front maintenance device

Abstract

The utility model provides a front maintenance device for an LED (light-emitting diode) display screen, which relates to the technical field of display screen maintenance and 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.

Description

Technical Field

[0001] The utility model relates to the technical field of display screen maintenance, 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 screens are becoming increasingly broad. The demand for high-definition displays is increasing, and large displays are gradually becoming popular among users. A particularly critical point is to meet the requirements of various on-site environments for installation and removal, prevent black screens, and facilitate technology upgrades and updates. Traditional maintenance and disassembly techniques from behind the display screen are no longer sufficient. Utility Model Content

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

[0004] An embodiment of the present application provides a front maintenance device for an LED display screen, comprising: a frame with a plug hole; a display module with a through hole; a locking piece fixed to the back side of the display module and corresponding to the through hole, and the display module is detachably connected to the frame through the locking piece; the locking piece includes a lock seat and a lock core movable relative to the lock seat, 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 insert into or pull 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 member; the side of the lock core has a long sliding groove; the limit member is passed through the lock seat and is slidably connected to the sliding groove, for limiting 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 part, the connecting part, the groove and the second plug-in part; the lock core is provided with a second through hole; the locking member is in the second state, and the first through hole and the second through hole are connected.

[0009] As an optional embodiment, the LED display screen front maintenance device further includes: an unlocking member having a rod-shaped unlocking portion, the unlocking portion passing through the through hole, the first through hole and the second through hole to achieve 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. 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 further includes: an elastic member, 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; the lock core is formed with a recess on the side 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 member fixed to the back side of the display module and protruding from the display module, the positioning member and the locking member are spaced apart; the frame also has a positioning hole for cooperating with the positioning member.

[0014] The present application provides a front 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, locking the locking member and the frame, thereby securing the display module. When removing the display module, the locking member switches from the second state to the first state, unlocking the locking member and the frame. By moving the display module, the locking member can be pulled out of the through-hole. This allows for quick and convenient installation and removal of the display module from 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 front maintenance device for an LED display screen provided in an embodiment of the present application;

[0019] Figure 2 A schematic structural diagram of a front maintenance device for an LED display screen provided in 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 showing a locking member in a second state of a front maintenance device for an LED display screen provided by an embodiment of the present application;

[0023] Figure 6 for Figure 5 longitudinal section of

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

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

[0027] Figure 10 This is a structural schematic diagram 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. 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 having the same or similar functions. In addition, if the detailed description of the known technology is not necessary 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 are not to be construed as limiting the present application.

[0035] Those skilled in the art will understand 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 this application refers to the presence of the stated features, elements, and / or components, but does not preclude 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; when the locking member 3 is in the first state, the locking member 3 is used to insert into or remove from the plug hole 11; when the locking member 3 is in the second state, the locking member 3 is used to lock and connect with the frame 1.

[0037] In this embodiment, the frame 1 is plate-shaped and vertically arranged. It is used to mount at least one display module 2. Through holes 21 are defined along the thickness of the frame 1. The display module 2 is plate-shaped, with the front side of the display module 2 being the display side, and the back side of the display module 2 being the side opposite the display side. Multiple locking members 3 are mounted on the back side of the display module 2, and these locking members 3 are evenly distributed. For example, if the display module 2 is rectangular, four locking members 3 may be positioned 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 installing the display module 2, the locking member 3 is in the first state. By moving the display module 2 and inserting the locking member 3 into the through hole 21, the locking member 3 switches from the first state to the second state, and the locking member 3 is locked and connected with the frame 1, thereby fixing the display module 2. When removing the display module 2, the locking member 3 switches from the second state to the first state, thereby unlocking the locking member 3 from the frame 1. 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 from 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 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 retracts into the lock seat 31.

[0040] Based on the previous embodiment, in this embodiment, the receiving groove 311 is connected to the outside, and the lock core 32 slides along the receiving groove 311 to extend or retract into the lock base 31. A portion of the lock core 32 extends out of the lock base 31 to form a locking structure, which fixes the display module 2 and the frame 1 relative to each other; the lock core 32 retracts into the lock base 31 to form a clearance structure, which allows the display module 2 to move relative to the frame 1 for 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 passed 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 above embodiments, in this embodiment, the limiting 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 extends into the sliding groove 321, which is used to limit the maximum distance that the lock core 32 moves 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 from the lock seat 31.

[0043] like Figure 6 As shown, as an optional embodiment, the lock seat 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 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 to plug with the display module 2, and the second plug-in portion 315 is used to pass through the plug-in hole 11, and the second plug-in portion 315 has an accommodating groove 311.

[0044] Based on the previous embodiment, in this embodiment, the connecting portion 313 is plate-shaped, with the threaded hole 316 extending along the thickness of the connecting portion 313. Both the first plug-in portion 314 and the second plug-in portion 315 are columnar and coaxially arranged. The second plug-in portion 315 passes through the insertion hole 11, and the connecting portion 313 is in contact with the frame 1. The first plug-in portion 314 and the second plug-in portion 315 are located on opposite sides of the frame 1, and the lock core 32 and the display module 2 are 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, which 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 above 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, and 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 Figure 10 As shown, as an optional embodiment, the LED display screen front maintenance device further 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 previous embodiment, in this embodiment, the unlocking member 4 includes a handle portion 42 and an unlocking portion 41 connected at an angle. Both the handle portion 42 and the unlocking portion 41 are 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, driving 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. The lock core 32 also retracts into the lock seat 31, placing the locking member 3 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 previous embodiment, in this embodiment, the first end of the second through-hole 322 serves as the inlet, and the second end of the second through-hole 322 serves as the outlet. In a horizontal cross-section perpendicular to the axis of the second through-hole 322, the second through-hole 322 is approximately triangular, with the bottom of the second through-hole 322 being a horizontally disposed surface. The unlocking portion 41 passes through the through-hole 21, the first through-hole 317, and the second through-hole 322. The unlocking portion 41 slidably engages with the downwardly inclined sliding surface, causing the lock core 32 to retract into the lock seat 31, placing the locking member 3 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 exits 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, the bottom of the accommodating groove 311 is provided with a columnar structure 318 extending toward the lock core 32, 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 the 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 previous embodiment, 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 cylinder 32. Regardless of the position of the lock cylinder 32, the spring is always compressed, but the difference lies in the degree of compression. When the lock cylinder 32 is retracted into the lock seat 31, the spring is compressed to the maximum extent; when the lock cylinder 32 is partially extended from the lock seat 31, the spring is compressed to the minimum extent.

[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 previous embodiment, in this embodiment, the positioning member 5 is cylindrical, and one end of the position limiting member 312 is fixedly connected to the display module 2, for example, by bolts. The positioning member 5 passes through the positioning hole 12 to align the display module 2 with the frame 1. The positioning member 5 passing through the positioning hole 12 also provides a certain degree of support.

[0058] In the description of this application, it should be understood that the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings. They are only for the convenience of describing this 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. Therefore, they should not be understood as limitations on this application.

[0059] The terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include one or more of such 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 expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to direct connections, indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the 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 part of the implementation methods 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 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) includes a lock seat (31) and a lock core (32) movable relative to the lock seat (31) 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 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 front 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 front maintenance device according to claim 2, characterized in that: The lock seat (31) further includes a limiting member (312); The side of the lock core (32) has a long sliding groove (321); The limiting member (312) is provided 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) 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 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 front 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) 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.

6. The LED display screen front 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. Along the direction from the first end of the second through hole (322) to the second end, the flow area of ​​the second through hole (322) gradually decreases. 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 front 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 recess (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 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).

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

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