CN216119358U - Front maintenance device, LED unit box and LED display screen - Google Patents

Abstract

The utility model relates to the technical field of LED module structures, and provides a front maintenance device, an LED unit box and an LED display screen, wherein the front maintenance device comprises a retention structure arranged on a box body, an ejector pin structure matched with the retention structure and movably connected to the LED module along the height direction, and a locking structure arranged on the LED module and used for limiting the movement of the ejector pin structure relative to the LED module, wherein a retention groove for inserting the ejector pin structure is formed in the retention structure, a locking groove for inserting the locking structure is formed in the ejector pin structure, and the locking structure is inserted into the locking groove when the ejector pin structure is inserted into the retention groove. When the front maintenance is carried out in the needs dismantlement, only need take locking structure out from locking groove, thimble structure falls and leaves the retention groove according to self gravity to the retention structure of box breaks away from with the thimble structure of LED module, realizes that the LED module is dismantled from the box, can realize the dismantlement operation of LED module and box fast through control locking structure promptly.

Description

Front maintenance device, LED unit box and LED display screen

Technical Field

The utility model relates to the technical field of LED module structures, and particularly provides a front maintenance device, an LED unit box and an LED display screen.

Background

The LED outdoor display screen is commonly found on outer walls or glass curtain walls of buildings, city landmark buildings, large-scale advertisement screens and the like. The LED outdoor display screen is mainly formed by splicing an LED unit box, the LED unit box comprises a box body part and an LED module arranged on the box body, and the LED module is used for displaying.

And front maintenance is becoming more and more a technical label for LED displays. At present, various patents related to the front maintenance of the LED display screen mainly focus on how to rapidly disassemble the LED display module, such as through a magnetic attraction structure, various lock structure schemes, etc., so as to realize the rapid installation or disassembly of the LED display module on the frame of the box body.

The existing lock used for front maintenance is complex in structure, so that the operation of installation and disassembly during front maintenance is inconvenient, and quick disassembly cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a front maintenance device, and aims to solve the problems that the existing LED unit box is inconvenient to disassemble and cannot be disassembled quickly during front maintenance.

In order to achieve the purpose, the utility model adopts the technical scheme that:

in a first aspect, the application provides a front maintenance device, be used for the loading and unloading of LED module and box, front maintenance device is including installing the maintenance structure on the box, with maintenance structure looks adaptation and along direction of height swing joint in the thimble structure of LED module, and install on the LED module and be used for restricting the locking structure of thimble structure for the removal of LED module, the structural maintenance groove that supplies thimble structure male of offering of maintenance, structural locking groove that supplies locking structure male of offering of thimble, locking structure pegs graft in locking groove when thimble structure pegs graft in the maintenance groove.

The utility model has the beneficial effects that: according to the front maintenance device provided by the utility model, the thimble structure is inserted into the retaining groove of the retaining structure by utilizing the matching of the retaining structure arranged on the box body and the thimble structure arranged on the LED module, and meanwhile, the locking structure on the LED module is inserted into the locking groove of the thimble structure, so that the thimble structure keeps the connection state of being inserted into the retaining groove of the retaining structure, and the LED module is loaded on the box body; when the front maintenance is carried out in the needs dismantlement, only need take locking structure out from locking groove, thimble structure falls and leaves the retention groove according to self gravity to the retention structure of box breaks away from with the thimble structure of LED module, realizes that the LED module is dismantled from the box, can realize the dismantlement operation of LED module and box fast through control locking structure promptly.

In one embodiment, the locking structure comprises a locking plug movably connected to the LED module along the insertion direction and an elastic piece arranged between the locking plug and the LED module.

By adopting the technical scheme, the locking plug-in is used for being inserted into the locking groove, and the locking plug-in can move on the LED module to realize insertion into or separation from the locking groove, so that the LED module and the box body can be quickly assembled and disassembled; the resilient member enables the locking spigot to be moved out of the locking slot and then returned to its original position again for a quick installation again.

In one embodiment, the locking plug-in unit is a plug-in block, the plug-in block is provided with a plug-in convex part for being inserted into the locking groove, and the plug-in block is further provided with a connecting hole for being connected with an external device.

Through adopting foretell technical scheme, the locking groove is inserted to the grafting convex part that utilizes the grafting piece, utilizes the connecting hole on the grafting piece to be connected with external equipment simultaneously, draws the grafting piece through external equipment for the grafting convex part can break away from the locking groove and lock the position of thimble structure with the unblock, thereby the thimble structure can break away from the solid fixed slot and realize the quick dismantlement of LED module and box.

In one embodiment, the locking insert is a magnet provided with an insertion protrusion for insertion into the locking slot.

Through adopting foretell technical scheme, utilize the grafting convex part of magnet to insert the locking groove, when needs unblock, only need utilize to inhale the complex instrument with magnet and adsorb the operation to the magnet for magnet and grafting convex part break away from the locking groove and lock with the position of unblock to thimble structure, thereby thimble structure can break away from the solid fixed seat and realize the quick dismantlement of LED module and box.

In one embodiment, the front maintenance device further comprises a limiting structure installed on the LED module, the thimble structure comprises a sleeve and a thimble body telescopically connected to the sleeve and used for being inserted into the retaining groove, the sleeve is provided with a locking groove and a limiting groove matched with the limiting structure, and the limiting structure is inserted into the limiting groove and can slide in the limiting groove.

Through adopting foretell technical scheme, utilize the thimble body to insert the retention groove in order to realize being connected with the locking of retention structure, utilize the locking groove of seting up on the sleeve to cooperate with locking structure in order to realize the quick installation of locking and unblock dismantlement, utilize the spacing groove of seting up on the sleeve and limit structure's cooperation simultaneously for when locking structure breaks away from the locking groove, the sleeve can not break away from the LED module with thimble body whereabouts, but through limit structure restriction on the LED module, avoid dropping of thimble structure and lead to influencing subsequent installation.

In one embodiment, the thimble body comprises a large needle part facing the retention groove and a small needle part which is integrally formed with the large needle part and has a smaller diameter than the large needle part, the small needle part is sleeved with a compression spring, one end of the compression spring abuts against the large needle part, and the other end of the compression spring abuts against the sleeve.

Through adopting foretell technical scheme, utilize the big needle portion of thimble body to insert in the maintenance groove in order to realize being connected with the maintenance locking of structure, the pressure spring of establishing on the little needle portion simultaneously makes thimble body elasticity flexible connection in sleeve.

In one embodiment, the thimble structure further comprises a hand-pulling member, and one end of the small needle portion penetrates through the sleeve to the outside and is connected with the hand-pulling member.

Through adopting foretell technical scheme, utilize the hand to dial the position that can operate adjustment sleeve and thimble body, when installing LED module and box fast, the accessible hand is dialled a adjustment sleeve position and is in order to reinsert the locking piece in the locking groove to only need during the installation with the direct lock of LED module on the box, the thimble body can be pushed again in the retention groove, realizes that the locking of retention structure and thimble structure is connected.

In one embodiment, the retaining structure comprises a retaining piece, the retaining piece is provided with a connecting part and an inverted claw part, one end of the connecting part is connected with the box body, the inverted claw part is arranged at the other end of the connecting part, and a retaining groove is formed between the inverted claw part and the connecting part.

Through adopting foretell technical scheme, the connecting portion of retaining piece are connected with the box, form the retaining groove between back-off jack catch portion and the connecting portion simultaneously, when installing the LED module to the box, only need directly with LED module lock on the box, the thimble body of thimble structure can be along back-off jack catch portion entering in the retaining groove realization locking connection.

In a second aspect, the present application further provides an LED unit box, which includes an LED module and a box body, and the LED unit box further includes a front maintenance device as described above, and the LED module is detachably mounted on the box body through the front maintenance device.

The utility model has the beneficial effects that: on the basis of the front maintenance device, the LED unit box can be quickly disassembled, so that the front maintenance operation can be performed in time.

In a third aspect, the application also provides an LED display screen, which includes the LED unit box.

The utility model has the beneficial effects that: on the basis of the LED unit box, the LED display screen is convenient and quick to realize front maintenance.

Drawings

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

Fig. 1 is a schematic structural diagram of an LED unit box according to an embodiment of the present invention;

FIG. 2 is a side view of an LED unit box provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a front maintenance apparatus provided in an embodiment of the present invention, the front maintenance apparatus being disposed on an LED module;

FIG. 4 is a schematic structural diagram of a front maintenance apparatus according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a locking insert according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of another locking insert provided in accordance with an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a thimble structure according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of a thimble body according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a retention structure according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

100. a front maintenance device; 200. an LED module; 300. a box body; 400. an LED unit box; 10. a retention structure; 101. a retention groove; 11. a retention member; 111. a connecting portion; 112. the clamping claw part is reversely buckled; 20. a thimble structure; 201. a locking groove; 202. a limiting groove; 21. a sleeve; 22. a thimble body; 221. a large needle portion; 222. a small needle portion; 23. a pressure spring; 24. a hand-pulling member; 30. a locking structure; 31. locking the plug-in; 311. inserting the convex part; 312. connecting holes; 32. an elastic member; 40. a limiting structure.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 4, in a first aspect, the present application provides a front maintenance device 100 for assembling and disassembling an LED module 200 and a case 300, the front maintenance device 100 includes a retention structure 10 mounted on the case 300, a pin structure 20 adapted to the retention structure 10 and movably connected to the LED module 200 along a height direction, and a locking structure 30 mounted on the LED module 200 and used for limiting movement of the pin structure 20 relative to the LED module 200, the retention structure 10 is provided with a retention groove 101 for inserting the pin structure 20, the pin structure 20 is provided with a locking groove 201 for inserting the locking structure 30, and when the pin structure 20 is inserted into the retention groove 101, the locking structure 30 is inserted into the locking groove 201.

The thimble structure 20 is movably connected in the height direction of the LED module 200, that is, the thimble structure 20 can move up and down freely along the height direction of the LED module 200, and when there is no external force limitation, the thimble structure 20 falls down according to its own gravity. The locking structure 30 is used for locking the position of the thimble structure 20, and by inserting the locking structure 30 into the locking groove 201, for example, the locking groove 201 is disposed along a direction perpendicular to the moving direction of the thimble structure 20, the locking structure 30 inserted into the locking groove 201 will block the movement of the thimble structure 20, so that the thimble structure 20 is kept at the current position. Therefore, when the thimble structure 20 is inserted into the fixing groove of the fixing structure 10 at a higher position along the height direction, the locking structure 30 is inserted into the locking groove 201 of the thimble structure 20, so that the thimble structure 20 is kept at the position inserted into the fixing groove 101, that is, the thimble structure 20 is locked and connected with the fixing structure 10, and the LED module 200 is connected with the box 300. When the locking structure 30 is disengaged from the locking groove 201 of the thimble structure 20, the thimble structure 20 falls down according to its own weight to disengage from the retention groove 101, so that the thimble structure 20 is separated from the retention structure 10, i.e. the LED module 200 is separated from the box 300, thereby achieving the effect of quick detachment.

When the front maintenance operation is required, the LED module 200 needs to be detached from the housing 300 to perform the front maintenance from the front end of the housing 300. The LED module 200 and the box 300 are in a connected state, wherein the thimble structure 20 is inserted into the retention groove 101 of the retention structure 10 to realize a locking connection between the thimble structure 20 and the retention groove 101, and the locking structure 30 is inserted into the locking groove 201 of the thimble structure 20 to realize a position locking of the thimble structure 20. In order to rapidly detach the LED module 200 from the housing 300, the locking structure 30 is only required to be pulled out from the locking groove 201, and after the thimble structure 20 loses the locking function of the locking structure 30, the thimble structure 20 falls down according to its own weight and is separated from the retaining groove 101, that is, the thimble structure 20 on the LED module 200 is disconnected from the retaining structure 10 on the housing 300, so as to achieve the purpose of rapidly detaching the LED module 200 from the housing 300. After the maintenance operation is completed, the thimble structure 20 is moved up to the locking structure 30 along the height direction and then inserted into the locking groove 201 again, so that the locking structure 30 locks the position of the thimble structure 20 again, and then the LED module 200 is directly buckled on the box body 300, so that the thimble structure 20 is directly inserted into the retention groove 101 of the retention structure 10, and the installation is rapidly realized.

In the front maintenance device 100 provided by the utility model, the retention structure 10 mounted on the box body 300 is matched with the thimble structure 20 arranged on the LED module 200, the thimble structure 20 is inserted into the retention groove 101 of the retention structure 10, and the locking structure 30 on the LED module 200 is inserted into the locking groove 201 of the thimble structure 20, so that the thimble structure 20 keeps the connection state inserted into the retention groove 101 of the retention structure 10, and the LED module 200 is loaded on the box body 300; when disassembly is needed for pre-maintenance, the locking structure 30 is only required to be pulled out from the locking groove 201, and the thimble structure 20 falls down according to the self gravity to leave the retaining groove 101, so that the retaining structure 10 of the box body 300 is separated from the thimble structure 20 of the LED module 200, the LED module 200 is disassembled from the box body 300, that is, the disassembly operation of the LED module 200 and the box body 300 can be quickly realized by controlling the locking structure 30.

Referring to fig. 1 to 6, in one embodiment, the locking structure 30 includes a locking insert 31 movably connected to the LED module 200 along a direction of being inserted into the locking groove 201, and an elastic member 32 disposed between the locking insert 31 and the LED module 200. In order to facilitate the movement of the locking plug-in 31, a receiving cavity may be disposed on the LED module 200 to provide the locking plug-in 31, the elastic member 32 is disposed between the receiving cavity and the locking plug-in 31, and the locking plug-in 31 is slidably engaged with the receiving cavity, so that the locking plug-in 31 can move in the receiving cavity. The elastic member 32 may be a return spring, one end of the return spring is connected to the bottom of the accommodating cavity, the other end of the return spring is connected to the locking insert 31, when the locking insert 31 is moved by an external tool to disengage the locking insert 31 from the locking groove 201, the locking insert 31 compresses the return spring, and when the force applied by the external tool is removed, the compression spring restores the elastic deformation and pushes the locking insert 31 to restore the original position, so that the locking insert can be used to mount the LED module 200 and the housing 300 again.

Referring to fig. 2, 4 and 5, in one embodiment, the locking plug 31 is a plug block, the plug block is provided with a plug protrusion 311 for being inserted into the locking groove 201, and the plug block is further provided with a connecting hole 312 for connecting with an external device. The insertion convex part 311 of the insertion block is inserted into the locking groove 201 or separated from the locking groove 201 to lock the thimble structure 20 or unlock the thimble structure 20, and meanwhile, the connection block on the insertion block is connected with an external device, the insertion block is connected with the external device to control the movement of the insertion block, so that the insertion block is separated from the locking groove 201 to rapidly detach the LED module 200. Specifically, tapping may be performed in the connection hole 312, and an external device is engaged with the connection hole 312 to perform connection, so that the movement of the insertion block may be controlled by operating the external device, thereby easily removing the insertion protrusion 311 of the insertion block from the locking groove 201. After the disassembly operation is completed, the external device is taken down, the insertion block returns to the original position through the elastic deformation recovery of the elastic piece 32, the thimble structure 20 is moved upwards to the original position, the insertion convex part 311 of the insertion block is inserted into the locking groove 201 again, the insertion block locks the position of the thimble structure 20, when the installation is carried out, the LED module 200 is directly buckled on the box body 300, the thimble structure 20 is extruded into the fixing groove 101, the connection with the fixing structure 10 is realized again, and the quick installation is realized. It is understood that the plug block may be used with a rust resistant embedded aluminum block.

Referring to fig. 2, 4 and 6, in one embodiment, the locking insert 31 is a magnet provided with an insertion protrusion 311 for inserting into the locking groove 201. Utilize the grafting convex part 311 of grafting piece to insert locking groove 201 or break away from in locking groove 201 in order to realize locking thimble structure 20 or the effect of unblock thimble structure 20, simultaneously, utilize outside instrument and magnet magnetism to inhale the cooperation, when LED module 200 is dismantled fast to needs, only need adsorb the magnet with outside instrument from the direction that leaves locking groove 201, so that the magnet removes and extrudes elastic component 32 towards outside instrument, the grafting convex part 311 of magnet breaks away from locking groove 201 simultaneously, make thimble structure 20 relieve the locking and fall and break away from retention groove 101 according to self gravity, thereby realize the quick separation of thimble structure 20 and retention structure 10, realize the quick separation of LED module 200 and box 300 promptly. After the disassembly operation is completed, the external tool is removed, the magnet returns to the original position through the elastic deformation recovery of the elastic piece 32, and meanwhile, the thimble structure 20 is moved upwards to the original position, so that the insertion convex part 311 of the magnet is inserted into the locking groove 201 again, the position of the magnet on the thimble structure 20 is locked, when the installation is carried out, only the LED module 200 needs to be directly buckled on the box body 300, the thimble structure 20 is squeezed into the retaining groove 101, the connection with the retaining structure 10 is realized again, and the quick installation is realized.

Referring to fig. 2, 4 and 7, in an embodiment, the front maintenance device 100 further includes a limiting structure 40 installed on the LED module 200, the thimble structure 20 includes a sleeve 21 and a thimble body 22 telescopically connected to the sleeve 21 and inserted into the retaining groove 101, the sleeve 21 is provided with a locking groove 201 and a limiting groove 202 engaged with the limiting structure 40, and the limiting structure 40 is inserted into the limiting groove 202 and can slide in the limiting groove 202. It is understood that, in order to ensure that the thimble structure 20 moves only in the height direction on the LED module 200, a channel in the height direction may be provided on the LED module 200, and the thimble structure 20 is provided in the channel, so that the thimble structure 20 can move only in the height direction along the channel. The thimble body 22 is telescopically connected to the sleeve 21, so that when the LED module 200 is mounted on the box 300, the thimble body 22 is pushed into the retaining groove 101 and is firstly pushed into the sleeve 21, and then is ejected out of the retaining groove 101 and extends into the retaining groove 101 to realize locking connection. Offer locking groove 201 in order to realize locking structure 30's insertion locking on the sleeve 21, still offer spacing groove 202 on the sleeve 21, insert through limit structure 40 and locate in spacing groove 202, when locking structure 30 breaks away from locking groove 201 and removes the locking to thimble structure 20, thimble structure 20 is at the in-process of whereabouts according to self gravity, the corresponding spacing groove 202 of limit structure 40 is along direction of height upward movement, until limit structure 40 and the lateral wall looks butt at the top of spacing groove 202, limit structure 40 plays the supporting role to thimble structure 20's sleeve 21 promptly, break away from LED module 200 and influence subsequent installation when avoiding thimble structure 20 to fall. It can be understood that the locking groove 201 may be a slot hole formed on the sleeve 21, or may be an annular groove formed around the central axis of the sleeve 21; similarly, the above-mentioned limit groove 202 may be a moving groove formed in the sleeve 21, in which the limit structure 40 can move up and down in the height direction, or may be an annular groove formed around the central axis of the sleeve 21. The limiting structure 40 is mounted on the LED module 200, and the limiting structure 40 has a convex portion for extending into the limiting groove 202 to limit the moving range of the thimble structure 20.

Referring to fig. 2, 4, 7 and 8, in an embodiment, the thimble body 22 includes a large needle portion 221 facing the retention groove 101 and a small needle portion 222 integrally formed with the large needle portion 221 and having a diameter smaller than that of the large needle portion 221, the small needle portion 222 is sleeved with a compression spring 23, one end of the compression spring 23 abuts against the large needle portion 221, and the other end of the compression spring 23 abuts against the sleeve 21. The large needle part 221 of the thimble body 22 extends into the retaining groove 101 for connection, and the small needle part 222 is sleeved with the pressure spring 23, so that one end of the pressure spring 23 abuts against the large needle part 221, and the other end abuts against the sleeve 21, thereby realizing elastic telescopic connection of the thimble body 22 in the sleeve 21. When the LED module 200 is mounted on the case 300, the locking structure 30 is firstly inserted into the locking groove 201 of the thimble structure 20 to lock the thimble structure 20, and then the LED module 200 is directly fastened to the case 300, in the fastening process, the large needle 221 of the thimble body 22 is pushed into the retaining groove 101 from one end of the retaining structure 10 away from the case 300, and in the process of being pushed into the retaining groove 101, the retaining structure 10 pushes the large needle 221 into the sleeve 21 and compresses the compression spring 23, and when the large needle 221 reaches the position of the retaining groove 101, the compression spring 23 recovers elastic deformation to push up the large needle 221 into the retaining groove 101, so as to realize the locking connection between the thimble structure 20 and the retaining structure 10. Meanwhile, a through hole nut may be further sleeved on the large needle portion 221 of the thimble body 22, the through hole nut is fixedly connected with the large needle portion 221, and a layer of spring is further disposed between the through hole nut and the sleeve 21 to limit the shrinkage of the large needle portion 221.

Referring to fig. 2, 4, 7 and 8, in an embodiment, the thimble structure 20 further includes a hand-pulling member 24, and one end of the small needle portion 222 is disposed through the sleeve 21 to the outside and connected to the hand-pulling member 24. The positions of the adjusting sleeve 21 and the thimble body 22 can be operated by using the hand-pulling member 24, when the LED module 200 and the box body 300 are quickly installed, the position of the sleeve 21 can be adjusted by using the hand-pulling member 24 to reinsert the locking member into the locking groove 201, so that the LED module 200 is directly buckled on the box body 300 only during installation, the thimble body 22 can be pushed into the retaining groove 101 again, and the retaining structure 10 is locked and connected with the thimble structure 20.

Referring to fig. 2, 4 and 9, in one embodiment, the retention structure 10 includes a retention member 11, the retention member 11 has a connection portion 111 connected to the case 300 at one end and an inverted claw portion 112 disposed at the other end of the connection portion 111, and a retention groove 101 is formed between the inverted claw portion 112 and the connection portion 111. The connecting portion 111 of the retaining member 11 is connected to the case 300, and the retaining groove 101 is formed between the inverted claw portion 112 and the connecting portion 111, so that when the LED module is mounted on the case 300, the LED module 200 can be directly fastened to the case 300 only, since the side edge of the inverted claw portion 112 is a sloping edge inclined toward the outer end of the retaining groove 101, for example. The reverse clamping claw part 112 is in a circular truncated cone structure, the bottom of the circular truncated cone structure faces the retention groove 101, in the process that the thimble structure 20 moves from the outside to the retention groove 101, the thimble body 22 can enter the retention groove 101 along the inclined edge of the reverse clamping claw part 112 to realize locking connection, and a non-return surface is formed on one side of the reverse clamping claw part 112 facing the retention groove 101 to prevent the thimble body 22 from separating from the retention groove 101.

Referring to fig. 1 to 4, in a second aspect, the present application further provides an LED unit box 400, which includes an LED module 200 and a box body 300, the LED unit box 400 further includes the front maintenance device 100, and the LED module 200 is detachably mounted on the box body 300 through the front maintenance device 100. On the basis of the front maintenance device 100, the LED unit box 400 provided by the utility model can realize quick disassembly of the LED unit box 400, so that the front maintenance operation can be performed in time.

In a third aspect, the present application also provides an LED display screen, which includes the LED unit box 400 as described above. On the basis of the LED unit box 400, the LED display screen provided by the utility model is convenient and quick to realize front maintenance work.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a front maintenance device for the loading and unloading of LED module and box, its characterized in that: the front maintenance device comprises a retention structure installed on the box body, an ejector pin structure which is matched with the retention structure and is movably connected to the LED module along the height direction, and a locking structure which is installed on the LED module and is used for limiting the movement of the ejector pin structure relative to the LED module, wherein the retention structure is provided with a retention groove for inserting the ejector pin structure, the ejector pin structure is provided with a locking groove for inserting the locking structure, and the locking structure is inserted into the locking groove when the ejector pin structure is inserted into the retention groove.

2. A front maintenance device according to claim 1, characterized in that: the locking structure comprises a locking plug-in unit movably connected to the LED module along the inserting direction and an elastic piece arranged between the locking plug-in unit and the LED module.

3. A front maintenance device according to claim 2, characterized in that: the locking plug-in components are plug-in blocks, be equipped with on the plug-in blocks and be used for inserting the grafting convex part of locking groove, still offer the connecting hole that is used for being connected with external equipment on the plug-in blocks.

4. A front maintenance device according to claim 2, characterized in that: the locking plug-in components are magnets, and the magnets are provided with inserting convex parts used for being inserted into the locking grooves.

5. A front maintenance device according to claim 2, characterized in that: the front maintenance device is characterized by further comprising a limiting structure arranged on the LED module, the thimble structure comprises a sleeve and a telescopic connection sleeve and is used for inserting into the thimble body of the fixing groove, the sleeve is provided with a locking groove and a limiting structure matched limiting groove, and the limiting structure is inserted into the limiting groove and can slide in the limiting groove.

6. A front maintenance device according to claim 5, characterized in that: the thimble body including towards in the big needle portion of solid fixed slot and with big needle portion integrated into one piece and diameter are less than the little needle portion of big needle portion, the cover is equipped with the pressure spring in little needle portion, the one end of pressure spring support in big needle portion, the other end of pressure spring support in the sleeve.

7. A front maintenance device according to claim 6, characterized in that: the thimble structure still includes the hand and dials the piece, the one end of little needle portion wear to locate sleeve to the outside and with the hand is dialled the piece and is connected.

8. A front maintenance device according to claim 1, characterized in that: the retention structure comprises a retention piece, the retention piece is provided with a connecting part and an inverted claw part, one end of the connecting part is connected with the box body, the inverted claw part is arranged at the other end of the connecting part, and the retention groove is formed between the inverted claw part and the connecting part.

9. The utility model provides a LED unit case, includes LED module and box, its characterized in that: the LED unit box further comprises a front maintenance device according to any one of claims 1 to 8, wherein the LED module is detachably mounted on the box body through the front maintenance device.

10. An LED display screen, its characterized in that: comprising an LED unit box according to claim 9.

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