CN218848992U

CN218848992U - LED box

Info

Publication number: CN218848992U
Application number: CN202223234061.3U
Authority: CN
Inventors: 张书发
Original assignee: Qstech Co Ltd
Current assignee: Qstech Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-11
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to a LED box, the power distribution box comprises a box body, lamp plate assembly and coupling assembling, lamp plate assembly passes through coupling assembling and can dismantle the setting on the box, coupling assembling includes bullet round pin part and cassette, set up bullet round pin part on one of them of box and lamp plate assembly between the two, set up the cassette on another of box and lamp plate assembly between the two, bullet round pin part includes bolt, mount pad and driving piece, the bolt activity sets up in the mount pad, the card hole has been seted up on the cassette, the bolt is connected with the driving piece, the driving piece drives the bolt and pegs graft or separate with the card hole under the exogenic action. The utility model discloses a LED box simple structure connects firmly, and the dismouting is convenient, labour saving and time saving, and maintenance efficiency is high.

Description

LED box

Technical Field

The utility model relates to a display device technical field especially relates to a LED box.

Background

An LED (light emitting diode) display screen is a flat display screen formed by using LED dot matrix modules or pixel units, and is widely used because of its advantages of high luminous efficiency, long service life, flexible configuration, rich colors, strong adaptability to indoor and outdoor environments, and the like.

The LED display screen that has now is formed by a plurality of LED box concatenations usually, and wherein, the LED box includes box and lamp plate assembly, and lamp plate assembly directly fixes on the box through the mode of magnetism. The prior art has the following defects: the lamp panel assembly can be detached from the box body through magnetic attraction to perform front maintenance, but the magnetic attraction effect is poor, the connection is unstable, and particularly, the lamp panel assembly is easy to fall off during vertical suspension installation to cause damage to the lamp panel assembly.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: the LED box body is simple in structure and stable in connection.

To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:

the utility model provides a LED box, includes box, lamp plate subassembly and coupling assembling, the lamp plate subassembly passes through coupling assembling can dismantle the setting and be in on the box, coupling assembling includes bullet round pin part and cassette, the box with set up on one of them of lamp plate subassembly between them bullet round pin part, the box with set up on another one of them of lamp plate subassembly between them the cassette, bullet round pin part includes bolt, mount pad and driving piece, the bolt activity sets up in the mount pad, the card hole has been seted up on the cassette, the bolt with the driving piece is connected, the driving piece drives under the exogenic action the bolt with the card hole is pegged graft or is separated.

As an alternative of LED box, the driving piece includes first elastic component and unblocking piece, the bolt passes through first elastic component with the mount pad is connected, first elastic component has the drive the bolt peg graft in the motion trend in the card hole, the cassette be provided with the first unblock hole of card hole intercommunication, the box corresponds the second unblock hole has been seted up to first unblock hole, the unblocking piece passes first unblock hole with the second unblock hole internal energy promotes the bolt with the separation of card hole.

As an alternative of the LED box body, the moving direction of the bolt and the moving direction of the unlocking piece form an included angle; the bolt is kept away from the one end of first elastic component corresponds first unblock hole position is provided with first inclined plane, first inclined plane has and is located the bolt is kept away from the first end of first elastic component with be close to the second end of first elastic component, first end with the perpendicular distance of bolt axis is h1, the second end with the perpendicular distance of bolt axis is h2, and h1 < h2, the deblocking spare with first inclined plane sliding fit.

As an alternative of the LED box, one end of the plug pin far away from the first elastic component is further provided with a second inclined plane, the second inclined plane and the first inclined plane are arranged at an included angle, the second inclined plane has a third end located at the end of the plug pin far away from the first elastic component and a fourth end close to the first elastic component, the third end is h3 perpendicular to the axis of the plug pin, the fourth end is h4 perpendicular to the axis of the plug pin, h3 < h4, and the card seat is in sliding fit with the second inclined plane.

As an alternative of the LED box, a slot is recessed in the mounting seat, the plug is slidably disposed in the slot, a notch of the slot is adjacent to the card seat, a bottom of the slot is opposite to the notch, the first elastic element is disposed between the bottom of the slot and the plug, and a portion of the plug, which is far away from the first elastic element, extends out of the slot.

As an alternative of the LED box body, the bolt is provided with a wave bead for reducing moving friction of the bolt.

As an alternative of LED box, the mount pad with box or lamp plate assembly's the connection face is first side, the mount pad have with the relative second side of first side, the bar hole has been seted up to the second side, the length in bar hole is followed the moving direction of bolt extends, the bar hole with the slot is linked together, the protrusion is provided with first guide post on the plug pin, first guide post passes the one end in bar hole is connected with the shell fragment, the shell fragment is kept away from the one end of guide post is provided with locking portion, locking portion with the mount pad joint, with will the bolt locking the bolt with the position of card hole separation.

As an alternative of the LED box, a first through hole has been seted up to the tank bottom of slot, the bolt orientation the protruding second guide post that is provided with in tank bottom one side of slot, the second guide post with first through hole sliding connection and extension to outside the first through hole, first elastic component is first spring, first spring housing is located the periphery of second guide post.

As an alternative of the LED box body, one of the box body and the lamp panel assembly is provided with a third guide post, the other of the box body and the lamp panel assembly is provided with a positioning hole, and the third guide post is spliced with the positioning hole.

As an alternative of the LED box, the box body or the lamp panel assembly is provided with a plurality of the connecting assemblies, the connecting assemblies correspond to the third guide posts one to one, and the third guide posts are adjacent to the connecting assemblies.

As an alternative of the LED box body, a second elastic piece is arranged between the box body and the lamp panel assembly, one of the box body and the lamp panel assembly is connected with the second elastic piece, the other of the box body and the lamp panel assembly is abutted against the second elastic piece, and the second elastic piece has a movement trend of pushing the box body and the lamp panel assembly to be away from.

The utility model discloses beneficial effect does: during installation, an operator moves the lamp panel assembly towards the box body, when the clamping seat is opposite to the bolt, the bolt is inserted into the clamping hole under the action of the driving piece, so that the lamp panel assembly is connected with the box body, and under the continuous driving of the driving piece, enough driving force is given to the bolt to be stably inserted into the clamping hole, so that the lamp panel assembly is stably connected and is not easy to fall off; when maintaining the dismantlement, separate through control driving piece and buckle to make lamp plate assembly separate with the box fast, this connection structure is simple, and the dismouting is convenient, labour saving and time saving, and maintenance efficiency is high.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

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

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is a schematic view of a partial structure of the LED box in a disassembled state according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a connection assembly disassembly state according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a mounting state of the connection assembly according to an embodiment of the present invention.

Fig. 6 is a cross-sectional view of a latch member according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a mounting seat according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of the present invention including a plug and a first elastic member.

Fig. 9 is a schematic structural view of a plug according to another embodiment of the present invention.

In the figure:

1. a box body; 11. a second unlocking hole; 2. a lamp panel assembly; 3. a connecting assembly; 31. a spring pin member; 311. a mounting seat; 3111. a slot; 3112. a strip-shaped hole; 312. a bolt; 3121. a first inclined plane; 3122. a second inclined plane; 313. a first elastic member; 314. a second guide post; 315. a first guide post; 316. a spring plate; 3161. a card slot; 317. buckling; 3171. a first through hole; 318. beads; 32. a card holder; 321. a clamping hole; 322. a first unlocking hole; 4. unlocking the lock; 5. a third guide post; 6. a second elastic member.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses the LED box includes box 1, lamp plate assembly 2 and coupling assembling 3, lamp plate assembly 2 can dismantle the setting on box 1 through coupling assembling 3, lamp plate assembly contains LED lamp plate and lamp plate drain pan, coupling assembling 3 includes bullet round pin part 31 and cassette 32, box 1 sets up bullet round pin part 31, set up cassette 32 on lamp plate drain pan of lamp plate assembly 2, bullet round pin part 31 includes bolt 312, mount pad 311 and driving piece, the activity of bolt 312 sets up in mount pad 311, the card hole 321 has been seted up on cassette 32, bolt 312 is connected with the driving piece, the driving piece drives bolt 312 and the grafting of card hole 321 or separation under the exogenic action. During installation, an operator moves the lamp panel assembly 2 towards the box body 1, the bolt 312 is inserted into the clamping hole 321 under the action of the driving piece, so that the lamp panel assembly 2 is connected with the box body 1, and under the continuous driving of the driving piece, the bolt 312 is provided with enough driving force to be stably inserted into the clamping hole 321, so that the connection is stable and is not easy to fall off; when maintaining the dismantlement, separate through control driving piece and buckle 317 to make lamp plate assembly 2 separate with box 1 fast, this connection structure is simple, and the dismouting is convenient, labour saving and time saving, and maintenance efficiency is high, and the cost of labor is low.

In this embodiment, as shown in fig. 4, 5 and 9, the driving element includes a first elastic element 313 and an unlocking element 4, the bolt 312 is connected to the mounting seat 311 through the first elastic element 313, the first elastic element 313 has a movement trend of driving the bolt 312 to be inserted into the locking hole 321, the locking seat 32 is provided with a first unlocking hole 322 communicated with the locking hole 321, the case 1 is provided with a second unlocking hole 11 corresponding to the first unlocking hole 322, and the unlocking element 4 passes through the first unlocking hole 322 and the second unlocking hole 11 and can push the bolt 312 to be separated from the locking hole 321. Specifically, the moving direction of the latch 312 and the moving direction of the unlocking member 4 form an included angle; the end of the bolt 312 far away from the first elastic member 313 and corresponding to the first unlocking hole 322 is provided with a first inclined surface 3121, the first inclined surface 3121 has a first end far away from the first elastic member 313 and a second end close to the first elastic member 313, the first end has a vertical distance h1 from the axis of the bolt 312, the second end has a vertical distance h2 from the axis of the bolt 312, h1 < h2, and the unlocking member 4 is in sliding fit with the first inclined surface 3121. A second inclined surface 3122 is further disposed at an end of the bolt 312 far from the first elastic member 313, the second inclined surface 3122 forms an included angle with the first inclined surface 3121, the second inclined surface 3122 has a third end located at the bolt 312 far from the first elastic member 313 and a fourth end close to the first elastic member 313, a perpendicular distance between the third end and an axis of the bolt 312 is h3, a perpendicular distance between the fourth end and the axis of the bolt 312 is h4, h3 < h4, and the clamping seat 32 is in sliding fit with the second inclined surface 3122. In this embodiment, the first end and the third end are disposed to coincide with each other at the same point, but in other embodiments, as shown in fig. 9, the first end and the third end are not limited to coincide with each other, and there is a possibility that the first end and the third end may be disposed separately.

The first elastic element 313 is a first spring, when the latch 312 is installed, the latch base 32 moves in the first direction to abut against the second inclined surface 3122 and is adjacent to the fourth end of the second inclined surface 3122, the latch base 32 continuously pushes the second inclined surface 3122 in the first direction (the first direction is the Z direction in fig. 1) so that the latch 312 compresses the first spring to move in the second direction (the second direction is the X direction in fig. 1), the second direction is perpendicular to the first direction, until the latch base 32 pushes the second inclined surface 3122 to the third end, the second inclined surface 3122 is continuously pushed, at this time, the second inclined surface 3122 is disengaged from the latch base 32, the latch 312 moves in the third direction under the restoring force of the first spring, so that the latch 312 is inserted into the latch hole 321, the third direction is opposite to the second direction (the third direction is the Y direction in fig. 1), at this time, the latch 312 keeps in the extended state under the action of the first spring, so that the latch 312 is stably engaged with the latch hole 321. Unlocking part 4 is the push rod, when maintaining the dismantlement, utilize the push rod to pass second unlocking hole 11 and first unlocking hole 322 and first inclined plane 3121 butt and be close to the second end, continue to promote the push rod, bolt 312 pushes first spring of compression down of the slip of first inclined plane 3121 and removes along the second direction at the push rod, break away from first inclined plane 3121 and insert to calorie hole 321 until the push rod by first end, bolt 312 separates from calorie hole 321, thereby make lamp plate subassembly 2 and box 1 separation, the dismantlement is simple, high convenience and fast, time saving and labor saving. It should be noted that, in order to avoid unstable engagement between the pin 312 and the hole 321 caused by the first inclined surface 3121 being exposed outside the hole 321, when the pin 312 is inserted into the hole 321, the second end is located in the hole 321, so as to ensure that the pin 312 has a plane to abut against the hole 321, thereby ensuring the connection strength between the pin 312 and the hole 321.

Optionally, as shown in fig. 6, a slot 3111 is recessed in the mounting seat 311, the plug 312 is slidably disposed in the slot 3111, a notch of the slot 3111 is adjacent to the card seat 32, a slot bottom of the slot 3111 is disposed opposite to the notch, the first elastic element 313 is disposed between the slot bottom of the slot 3111 and the plug 312, and an end portion of the plug 312, which is far away from the first elastic element 313, extends out of the slot 3111. Utilize slot 3111 to carry out spacing direction to bolt 312, along second direction rectilinear movement when bolt 312 is compressed, remove along the third direction when being promoted by first spring, avoid pegging graft not in place, the stability that bolt 312 removed when guaranteeing installation or dismantlement, peg graft or separation with calorie hole 321 better.

Optionally, the pin 312 is provided with beads 318 to reduce friction during movement of the pin 312. In this embodiment, the connection surface of the mounting seat 311 and the box body 1 is a first side surface, the slot 3111 is provided with an opening communicated with the first side surface, the pin 312 abuts against the first side surface through the wave bead 318, so as to facilitate the movement of the pin 312, reduce the loss between the pin 312 and the box body 1, and prolong the service life of the connection assembly 3 and the box body 1, although the side surface of the pin 312 adjacent to the slot 3111 may also be provided with the wave bead 318, so as to reduce the friction between the pin 312 and the slot 3111. In other embodiments, the slot 3111 is not limited to be provided with an opening communicating with the first side surface, and at this time, the pin 312 abuts against the slot wall of the slot 3111 through the wave bead 318, so as to reduce friction between the pin 312 and the slot wall of the slot 3111.

Further, as shown in fig. 4, fig. 6 and fig. 7, the mounting seat 311 has a second side surface opposite to the first side surface, a strip-shaped hole 3112 is formed in the second side surface, the length of the strip-shaped hole 3112 extends along the moving direction of the bolt 312, the strip-shaped hole 3112 is communicated with the slot 3111, a first guide post 315 is protruded from the bolt 312, one end of the first guide post 315 penetrating through the strip-shaped hole 3112 is connected with an elastic piece 316, one end of the elastic piece 316 far away from the guide post is provided with a locking portion, and the locking portion is clamped with the mounting seat 311 to lock the bolt 312 at a position where the bolt 312 is separated from the clamping hole 321. Specifically, the elastic sheet 316 is rotatably connected to the first guiding post 315, the locking portion is a clamping groove 3161, a buckle 317 is convexly disposed at one end of the mounting seat 311 away from the clamping seat 32, the elastic sheet 316 is clamped with the buckle 317 through the clamping groove 3161, at this time, the first guiding post 315 is located in the middle of the strip-shaped hole 3112, the clamping seat 32 pushes the second inclined surface 3122 to move the bolt 312 toward the second direction during mounting, and the first guiding post 315 pushes the elastic sheet 316 to separate the clamping groove 3161 from the buckle 317, until the clamping seat 32 leaves the third end along the second inclined surface 3122, the bolt 312 is pushed by the first spring to extend a greater distance to be inserted into the clamping hole 321, at this time, the first guiding post 315 is located at one end of the strip-shaped hole 3112 adjacent to the clamping seat 32, that is, the elastic sheet 316 is clamped with the mounting seat 311, so that when the bolt 312 is separated from the clamping seat 32, the bolt 312 extends out of the slot 1 portion to be shorter, that is, the portion of the second inclined surface 3122 exposed out of the slot 3111 is shorter, the time for the card seat 32 to push the second inclined surface 3122 of the bolt 312 is reduced, the length of the bolt 312 pushed out under the restoring force of the first spring is ensured, the installation time is reduced on the premise of ensuring stable installation of the bolt 312 and the card hole 321, the installation efficiency is improved, the limitation of the strip-shaped hole 3112 on the first guide post 315 is utilized to prevent the bolt 312 from being completely separated from the slot 3111, and the first spring is limited to be still in a compressed state when the bolt 312 is pushed out, so that the bolt 312 is stably clamped with the card hole 321 all the time under the driving of the first spring, and the connection of the bolt 312 and the card hole 321 is ensured to be stable, optionally, a chamfer or fillet treatment is performed on one side of the card slot 3161 adjacent to the first guide post 315, which facilitates the separation of the card slot 3161 from the card 317 when the first guide post 315 pushes the card piece 316.

Optionally, as shown in fig. 7 and fig. 8, a first through hole 3171 is formed in the bottom of the slot 3111, the second guiding column 314 is disposed on the plug 312 and protrudes toward one side of the bottom of the slot 3111, the second guiding column 314 is slidably connected to the first through hole 3171 and extends out of the first through hole 3171, the first elastic element 313 is a first spring, and the first spring is sleeved on the periphery of the second guiding column 314. The second guide post 314 is matched with the first through hole 3171, so that the moving guide of the bolt 312 is further enhanced, the first spring is sleeved on the periphery of the second guide post 314, the first spring is compressed along the axis direction of the first spring when being compressed, the restoring force of the first spring when being released is ensured, the bolt 312 is ensured to have enough driving force to push out and be inserted into the clamping hole 321, and the reutilization property of the first spring is ensured.

In other embodiments, the elastic pin member 31 may be disposed on the case 1 without disposing the clip seat 32 on the lamp panel assembly 2, and the clip seat 32 may be disposed on the case 1, and the elastic pin member 31 may be disposed on the lamp panel assembly 2. At this time, the latch 312 is only provided with the first inclined surface 3121, that is, the inclined surface pushed by the card seat 32 during installation and the inclined surface pushed by the push rod during disassembly are the same inclined surface. Simultaneously, the face of being connected of mount pad 311 and lamp plate subassembly 2 is first side, and bolt 312 passes through ripples pearl 318 and first side sliding connection, reduces the loss of bolt 312 and lamp plate subassembly 2 casing.

In this embodiment, be equipped with third guide post 5 on lamp plate assembly 2, be equipped with the locating hole on the box 1, third guide post 5 is pegged graft with the locating hole. The direction of being convenient for when lamp plate subassembly 2 removes along first direction makes cassette 32 just to bullet round pin part 31, can not take place the dislocation. Further, be provided with a plurality of cassettes 32 on lamp plate assembly 2,

cassette

32 and 5 one-to-one of third guide post, and third guide post 5 is neighbouring cassette 32, in addition, be not limited to set up third guide post 5 on lamp plate assembly 2, set up the locating hole on box 1, still exist and set up third guide post 5 at box 1, the locating hole is seted up on the lamp plate casing, or all be equipped with the possibility that guide post and locating hole peg graft each other on lamp plate assembly 2 and the box 1. Preferably, one end of the third guide post 5 adjacent to the positioning hole is provided with a chamfer or a fillet, so that the third guide post 5 can be guided when being inserted, and the installation efficiency is improved. In other embodiments, the third guiding column 5 is not necessarily arranged on the box body or the lamp panel assembly, and there is a possibility that the third guiding column 5 is not arranged, in this case, the moving directions of the inserting pins 312 in at least two elastic pin members 31 on the box body 1 or the lamp panel assembly 2 are not consistent.

Further, be equipped with second elastic component 6 between box 1 and the lamp plate component 2, second elastic component 6 is connected with lamp plate component 2, second

elastic component

6 and 1 butt of box, second elastic component 6 have the motion trend that promotes box 1 and keep away from. Second elastic component 6 is the second spring, and lamp plate assembly 2's separation when being convenient for maintain the dismantlement, the second spring provides the reverse power of ejecting box 1, and the operating personnel of being convenient for take off lamp plate assembly 2, labour saving and time saving. In addition, be not limited to setting up second elastic component 6 on lamp plate assembly 2, the other end and the 1 butt of box of second elastic component 6 can also set up second elastic component 6 on box 1, the possibility of the other end and the 2 butts of lamp plate assembly 2 of second elastic component 6, can also all be provided with second elastic component 6 on lamp plate assembly 2 and the box 1 even, when maintaining the dismantlement, second elastic component 6 promotes box 1 and lamp plate assembly 2 and keeps away from each other.

In other embodiments, the driving member is not limited to the first elastic member 313 and the unlocking member 4, but may also be one of linear driving mechanisms such as a cylinder, an oil cylinder, and an electric cylinder, for example, the cylinder is provided with a latch 312 at a driving end of the cylinder, and an external controller is used to control the extension and retraction of the driving end, so that the latch 312 is selectively inserted into or separated from the latching hole 321.

The utility model also provides a display screen comprises a plurality of LED box 1, and all LED boxes 1 all are located the coplanar, the utility model discloses LED box 1's of display screen lamp plate subassembly 2 is connected with box 1 through above-mentioned coupling assembling 3, its simple structure, and it is convenient to maintain.

In the description herein, it is to be understood that the terms "upper" and "lower" are used in a descriptive sense only and not for purposes of limitation, and are not to be construed as indicating or implying that a particular device or element must have a particular orientation, be constructed and operated in a particular manner, based on the orientation or positional relationship shown in the figures.

In the description herein, references to the description of "an embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the invention. In the description, schematic representations of the above terms do not necessarily refer to the same embodiment.

Furthermore, it should be understood that although the specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it will be understood by those skilled in the art that the specification as a whole and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a LED box, includes box, lamp plate subassembly and coupling assembling, the lamp plate subassembly passes through coupling assembling can dismantle the setting and be in on the box, its characterized in that, coupling assembling includes bullet round pin part and cassette, the box with set up on one of them of lamp plate subassembly between them bullet round pin part, the box with set up on another of lamp plate subassembly between them the cassette, bullet round pin part includes bolt, mount pad and driving piece, the bolt activity sets up in the mount pad, the card hole has been seted up on the cassette, the bolt with the driving piece is connected, the driving piece drives under the exogenic action the bolt with the card hole is pegged graft or is separated.

2. The LED box body as claimed in claim 1, wherein the driving member includes a first elastic member and an unlocking member, the bolt is connected to the mounting seat through the first elastic member, the first elastic member has a movement tendency to drive the bolt to be inserted into the clamping hole, the clamping seat is provided with a first unlocking hole communicated with the clamping hole, the box body is provided with a second unlocking hole corresponding to the first unlocking hole, and the unlocking member can push the bolt to be separated from the clamping hole by passing through the first unlocking hole and the second unlocking hole.

3. The LED box body of claim 2, wherein the direction of movement of the latch is angled with respect to the direction of movement of the unlocking member;

the bolt is kept away from the one end of first elastic component and is corresponded first unblock hole position is provided with first inclined plane, first inclined plane has and is located the bolt is kept away from the first end of first elastic component with be close to the second end of first elastic component, first end with the perpendicular distance of bolt axis is h1, the second end with the perpendicular distance of bolt axis is h2, and h1 < h2, the unlocking piece with first inclined plane sliding fit.

4. The LED box body as claimed in claim 3, wherein a second inclined surface is further disposed at an end of the bolt away from the first elastic member, the second inclined surface is disposed at an included angle with the first inclined surface, the second inclined surface has a third end located at the end of the bolt away from the first elastic member and a fourth end located close to the first elastic member, a vertical distance between the third end and an axis of the bolt is h3, a vertical distance between the fourth end and the axis of the bolt is h4, h3 is less than h4, and the card seat is in sliding fit with the second inclined surface.

5. The LED box body as claimed in any one of claims 2 to 4, wherein a slot is recessed in the mounting seat, the plug is slidably disposed in the slot, a notch of the slot is adjacent to the clamping seat, a slot bottom of the slot is disposed opposite to the notch, the first elastic member is disposed between the slot bottom of the slot and the plug, and an end portion of the plug, which is far away from the first elastic member, extends out of the slot.

6. The LED cabinet of claim 5, wherein the pin is provided with a wave bead for reducing friction of the pin during movement.

7. The LED box of claim 5, wherein the connection surface of the mounting seat and the box or the lamp panel assembly is a first side surface, the mounting seat has a second side surface opposite to the first side surface, the second side surface is provided with a bar-shaped hole, the length of the bar-shaped hole extends along the moving direction of the bolt, the bar-shaped hole is communicated with the slot, a first guide post is convexly arranged on the slot, one end of the first guide post, which penetrates through the bar-shaped hole, is connected with an elastic sheet, one end of the elastic sheet, which is far away from the first guide post, is provided with a locking portion, and the locking portion is clamped with the mounting seat so as to lock the bolt at the position where the bolt is separated from the clamping hole.

8. The LED box of claim 5, wherein a first through hole is formed in the bottom of the slot, a second guiding post is protruded from the latch toward one side of the bottom of the slot, the second guiding post is slidably connected with the first through hole and extends out of the first through hole, the first elastic member is a first spring, and the first spring is sleeved on the outer periphery of the second guiding post.

9. The LED box body of any one of claims 1 to 4, wherein one of the box body and the lamp panel assembly is provided with a third guide post, the other of the box body and the lamp panel assembly is provided with a positioning hole, and the third guide post is inserted into the positioning hole.

10. The LED box of claim 9, wherein the box or the lamp panel assembly is provided with a plurality of the connecting assemblies, the connecting assemblies correspond to the third guide posts one to one, and the third guide posts are adjacent to the connecting assemblies.

11. The LED box body of any one of claims 1 to 4, wherein a second elastic member is arranged between the box body and the lamp panel assembly, one of the box body and the lamp panel assembly is connected with the second elastic member, the other of the box body and the lamp panel assembly is abutted against the second elastic member, and the second elastic member has a movement tendency of pushing the box body and the lamp panel assembly to be away from each other.