CN216212061U - Adapter plate assembly of LED display device and LED display device - Google Patents

Abstract

The utility model provides a patch panel component of an LED display device and the LED display device, wherein the patch panel component of the LED display device comprises: a fixed part; the lock comprises a rotating shaft and a first lock tongue, wherein the rotating shaft is rotatably arranged on the fixing part; the adapter plate is detachably mounted on the rear side of the fixing portion, a strip-shaped lock hole is formed in the adapter plate, and the first lock tongue can penetrate through the strip-shaped lock hole and is provided with an unlocking position corresponding to the strip-shaped lock hole and a locking position which is arranged in a crossed mode with the strip-shaped lock hole. The technical scheme of this application has solved effectively that the keysets among the correlation technique passes through the fastener to be fixed on the box for on-the-spot maintenance and the lower problem of installation effectiveness.

Description

Adapter plate assembly of LED display device and LED display device

Technical Field

The utility model relates to the technical field of LED display, in particular to an adapter plate assembly of an LED display device and the LED display device.

Background

The display device of LED booth apart from need design into maintenance function, and this display device includes the box, sets up at the display module assembly of box front side and sets up the keysets at the box rear side.

The adapter plate is fixed on the box body through the fastener, a disassembling tool is needed during disassembling and assembling, field maintenance and installation are inconvenient, and efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an adapter plate assembly of an LED display device and the LED display device, and aims to solve the problem that in the related art, an adapter plate is fixed on a box body through a fastener, so that the field maintenance and installation efficiency is low.

In order to achieve the above object, according to one aspect of the present invention, there is provided an interposer assembly of an LED display device, comprising: a fixed part; the lock comprises a rotating shaft and a first lock tongue, wherein the rotating shaft is rotatably arranged on the fixing part; the adapter plate is detachably mounted on the rear side of the fixing portion, a strip-shaped lock hole is formed in the adapter plate, and the first lock tongue can penetrate through the strip-shaped lock hole and is provided with an unlocking position corresponding to the strip-shaped lock hole and a locking position which is arranged in a crossed mode with the strip-shaped lock hole.

Further, the tool to lock still includes the lock seat of installing on the fixed part, and the pivot is rotationally worn to establish on the lock seat, and first lock tongue sets up the rear end at the pivot.

Furthermore, partial structure of the lock seat is in a strip shape, and the lock seat in the strip shape is positioned in the strip-shaped lock hole.

Further, the lock also comprises a positioning structure arranged between the adapter plate and the first lock tongue.

Furthermore, the positioning structure comprises a positioning hole and a positioning part matched with the positioning hole in a positioning mode, one of the positioning hole and the positioning part is arranged on the adapter plate, and the other positioning part is arranged on the first lock tongue.

Furthermore, the locating hole sets up on the keysets, and the setting element sets up on first spring bolt, and the setting element includes location pearl and elastic component, and first spring bolt has spacing hole, and the elastic component is located spacing downthehole, and the location pearl is spacing at spacing downthehole, and partial location pearl can be located the locating hole to make first spring bolt keep in latched position.

Furthermore, the locating hole sets up on the keysets, and the setting element sets up on first spring bolt, and the keysets includes the keysets body and sets up the pad shell at the rear side of keysets body, and the bar lockhole sets up on the pad shell, is provided with the hole of dodging that corresponds the setting with the bar lockhole on the keysets body, and the locating hole setting is on the pad shell.

Furthermore, the cushion shell, the lock and the positioning structure all comprise a plurality of locks, the number of the locks is even times of the number of the cushion shell, the number of the positioning structures is even times of the number of the locks, each cushion shell comprises two installation parts and a protruding part located between the two installation parts, the first lock tongues of the two locks are arranged in a one-to-one correspondence mode with the two installation parts, one of the positioning hole and the positioning part of each positioning structure is arranged on one installation part, and the other of the positioning hole and the positioning part of each positioning structure is arranged on the first lock tongue.

Furthermore, the first bolt is connected with the rotating shaft through a fastener; the lockset also comprises a second bolt arranged at the front end of the rotating shaft in a penetrating way.

According to another aspect of the utility model, an LED display device is provided, which includes a box body, a plurality of display modules and an adapter plate assembly, wherein the plurality of display modules are spliced on the front side of the box body through a magnetic structure, the adapter plate assembly is disposed in the box body, and the adapter plate assembly is the above adapter plate assembly.

By applying the technical scheme of the utility model, the adapter plate component of the LED display device comprises: fixed part, tool to lock and keysets. The lockset comprises a rotating shaft which is rotatably arranged on the fixing part and a first bolt which is arranged on the rotating shaft. The adapter plate is detachably mounted on the rear side of the fixing portion, a strip-shaped lock hole is formed in the adapter plate, and the first lock tongue can penetrate through the strip-shaped lock hole and is provided with an unlocking position corresponding to the strip-shaped lock hole and a locking position crossed with the strip-shaped lock hole. The fixing portion may be provided on the case. When the adapter plate is installed, the first lock tongue is adjusted to the unlocking position, the first lock tongue can penetrate through the strip-shaped lock hole and corresponds to the strip-shaped lock hole, the first lock tongue is switched to the locking position from the unlocking position, and the adapter plate can be installed on the fixing portion. When dismantling the keysets, switch over first spring bolt to the unblock position by latched position, the bar lockhole on the keysets can break away from first spring bolt this moment, can dismantle the keysets from the fixed part. In the process of dismounting the butt joint plate, fasteners in related technologies are not needed, the butt joint plate is convenient to maintain and install on site, and the maintenance and installation efficiency is improved. Therefore, the technical scheme of the application has solved effectively that the keysets among the correlation technique passes through the fastener to be fixed on the box for on-the-spot maintenance and the lower problem of installation effectiveness.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is an exploded schematic view of an embodiment of an adapter plate assembly of an LED display device according to the present invention;

FIG. 2 illustrates a rear view schematic of an interposer of the interposer assembly of the LED display device of FIG. 1;

fig. 3 is a schematic perspective view illustrating a first latch tongue of the adapter plate assembly of the LED display device of fig. 1 in a locked position;

FIG. 4 shows a rear schematic view of the first latch tab of FIG. 3 in a locked position;

FIG. 5 shows a rear schematic view of the first latch tab of FIG. 3 in an unlocked position;

FIG. 6 is a perspective view of the first latch tab of FIG. 1 in a locked position;

FIG. 7 shows a schematic front view of the first latch tab of FIG. 6 in a locked position;

FIG. 8 is a perspective view of the first latch tab of FIG. 1 in an unlocked position;

FIG. 9 shows a schematic front view of the first latch tab of FIG. 8 in an unlocked position;

fig. 10 shows a schematic perspective view of a first lock tongue of an embodiment of an LED display device according to the present invention in an unlocked position;

FIG. 11 shows a schematic rear view of the LED display device of FIG. 10 with the first latch tab in an unlocked position;

FIG. 12 shows a cross-sectional schematic view of the LED display device of FIG. 10 with the first latch tab in an unlocked position;

FIG. 13 shows an enlarged schematic view at A of the LED display device of FIG. 12 with the first latch tab in an unlocked position;

fig. 14 is a schematic perspective view of the LED display device of fig. 10 with a first latch tongue in a locked position;

FIG. 15 shows a schematic rear view of the LED display device of FIG. 14 with the first latch tab in a locked position;

FIG. 16 shows a schematic cross-sectional view of the LED display device of FIG. 10 with the first latch tab in a locked position; and

fig. 17 shows an enlarged schematic view at B of the LED display device of fig. 16 when the first latch tongue is in the locked position.

Wherein the figures include the following reference numerals:

10. a box body; 20. a transfer plate assembly; 21. a fixed part; 22. an adapter plate; 221. a strip-shaped lock hole; 222. an adapter plate body; 223. a cushion shell; 2231. an installation part; 2232. a boss portion; 30. a lock; 33. a rotating shaft; 34. a first bolt; 341. a limiting hole; 30. a lock; 31. a second bolt; 32. a lock seat; 40. a display module; 41. matching with a lock hole; 42. a lamp panel; 43. a back plate; 60. a positioning structure; 61. positioning holes; 62. a positioning member; 621. a positioning bead; 622. an elastic member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 to 9, the adapter plate assembly of the LED display device of the present embodiment includes: fixed part 21, tool to lock 30 and adaptor plate 22. The lock 30 includes a rotation shaft 33 rotatably provided on the fixing portion 21 and a first latch 34 provided on the rotation shaft 33. The adapter plate 22 is detachably mounted on the rear side of the fixing portion 21, a strip-shaped lock hole 221 is formed in the adapter plate 22, and the first lock tongue 34 can penetrate through the strip-shaped lock hole 221 and has an unlocking position corresponding to the strip-shaped lock hole 221 and a locking position intersecting the strip-shaped lock hole 221. The fixing portion 21 may be provided on the case 10.

By applying the technical solution of the present embodiment, the adapter plate 22 is provided with the strip-shaped lock hole 221, and the first lock tongue 34 can pass through the strip-shaped lock hole 221 and has an unlocking position corresponding to the strip-shaped lock hole 221 and a locking position crossing the strip-shaped lock hole 221. The fixing portion 21 may be provided on the case 10. When the adapter plate 22 is mounted, the first latch tongue 34 is adjusted to the unlocking position, at this time, the first latch tongue 34 can pass through the strip-shaped lock hole 221 and correspond to the strip-shaped lock hole 221, the first latch tongue 34 is switched from the unlocking position to the locking position, and the adapter plate 22 can be mounted on the fixing portion 21. When the adapter plate 22 is detached, the first latch tongue 34 is switched from the lock position to the unlock position, and at this time, the strip-shaped lock hole 221 in the adapter plate 22 can be disengaged from the first latch tongue 34, so that the adapter plate 22 can be detached from the fixing portion 21. In the process of disassembling and assembling the adapter plate 22, fasteners in related technologies are not needed, the operation is simple and reliable, the maintenance and installation are quick, tool operation is not needed, the adapter plate 22 is convenient to maintain and install on site, and the maintenance and installation efficiency is improved. Therefore, the technical scheme of the embodiment effectively solves the problem that the adapter plate in the related art is fixed on the box body through the fastener, so that the field maintenance and installation efficiency is low.

It should be noted that the first latch tongue 34 corresponds to the strip-shaped locking hole 221, which means that a projection of the contour of the first latch tongue 34 on the front surface of the fixing portion 21 coincides with the strip-shaped locking hole 221, or a projection of the contour of the first latch tongue 34 on the front surface of the fixing portion 21 is located in the strip-shaped locking hole 221. The fixing portion 21 of the present embodiment is preferably a fixing plate.

As shown in fig. 3 to 9, the lock 30 further includes a lock holder 32 mounted on the fixing portion 21. In order to stably mount the rotating shaft 33 on the fixing portion 21, the rotating shaft 33 is rotatably inserted into the lock housing 32. To facilitate switching of the first latch 34 between the locked position and the unlocked position, the first latch 34 is provided at the rear end of the rotating shaft 33.

As shown in fig. 6 to 9, 13 and 17, a part of the lock base 32 is shaped like a strip, and the strip-shaped lock base 32 is located in the strip-shaped lock hole 221. In this way, the strip-shaped lock base 32 can heighten the first lock tongue 34, and prevent the first lock tongue 34 from interfering with structures (such as components) on the adapter plate 22 during switching between the locking position and the unlocking position.

As shown in fig. 6 to 9, 13 and 17, in order to enable the first latch 34 to be quickly switched from the locked position to the unlocked position, or from the unlocked position to the locked position, the lock 30 further includes a positioning structure 60 disposed between the adapter plate 22 and the first latch 34.

As shown in fig. 2, 6 to 9, 13 and 17, the positioning structure 60 includes a positioning hole 61 and a positioning member 62 in positioning fit with the positioning hole 61, the positioning hole 61 is disposed on the adapter plate 22, and the positioning member 62 is disposed on the first latch 34. The positioning holes 61 and the positioning holes 61 are in positioning fit, so that the positioning structure 60 is simple in structure.

Of course, in the embodiment not shown in the drawings, the positioning element may be disposed on the adapter plate, and the positioning hole may be disposed on the first lock tongue.

As shown in fig. 6 to 9, 13 and 17, the positioning hole 61 is provided on the adapter plate 22, and the positioning member 62 is provided on the first latch 34. The positioning member 62 includes a positioning bead 621 and an elastic member 622. The first latch 34 has a position-limiting hole 341, the elastic member 622 is located in the position-limiting hole 341, and the positioning bead 621 is located in the position-limiting hole 341. Part of the positioning bead 621 can be located in the positioning hole 61 to keep the first latch tongue 34 in the locking position. The elastic member 622 applies an elastic force to the positioning bead 621 in a direction away from the first latch tongue 34, so that the positioning bead 621 is always subjected to the elastic force. In order to enable the positioning bead 621 to be stably retained in the retaining hole 341, the equatorial plane of the positioning bead 621 is located in the retaining hole 341. The cooperation of the positioning ball 621 and the elastic member 622 enables the positioning member 62 to have a telescopic function, and when the positioning ball 621 receives a pressing force to contract the positioning member 62, the first latch tongue 34 can move between the locking position and the unlocking position. When the positioning member 62 is extended by the positioning bead 621 only receiving the elastic force, the first latch tongue 34 can be stably maintained at the locking position or the unlocking position. The elastic member is preferably a spring.

As shown in fig. 1 to 3, 13 and 17, the positioning hole 61 is provided on the adapter plate 22, and the positioning piece 62 is provided on the first latch 34. The adapter plate 22 comprises an adapter plate body 222 and a cushion casing 223 arranged on the rear side of the adapter plate body 222, the strip-shaped lock hole 221 is arranged on the cushion casing 223, a avoiding hole corresponding to the strip-shaped lock hole 221 is formed in the adapter plate body 222, and the positioning hole 61 is formed in the cushion casing 223. In the process of assembling and disassembling the adapter plate 22 from the fixing portion 21, the first latch 34 often passes through the strip-shaped lock hole 221, so as to avoid the first latch 34 colliding with the adapter plate 22 and damaging the adapter plate 22. The strip-shaped lock hole 221 is arranged on the pad casing 223, and the pad casing 223 can separate the first lock tongue 34 from the adapter plate body 222, so that the first lock tongue 34 is prevented from being in direct contact with the adapter plate body 222, the first lock tongue 34 is prevented from colliding with the adapter plate body 222, and the adapter plate body 222 is protected. The material of the pad casing 223 is preferably plastic.

As shown in fig. 1 to 3, 13 and 17, in order to reliably and quickly mount the adapter plate 22 on the fixing portion 21, the pad case 223, the lock 30 and the positioning structure 60 each include a plurality of ones. The number of the lock sets 30 is even times of the number of the pad housings 223, the number of the positioning structures 60 is even times of the number of the lock sets 30, each pad housing 223 comprises two mounting portions 2231 and a convex portion 2232 located between the two mounting portions 2231, the first lock tongues 34 of the two lock sets 30 are arranged in a one-to-one correspondence with the two mounting portions 2231, one of the positioning holes 61 and the positioning pieces 62 of each positioning structure 60 is arranged on one mounting portion 2231, and the other of the positioning holes 61 and the positioning pieces 62 of each positioning structure 60 is arranged on the first lock tongues 34.

As shown in fig. 13 and 17, the first latch 34 is connected to the rotating shaft 33 by a fastener. The lock 30 further includes a second latch 31 disposed at the front end of the rotating shaft 33. The above-mentioned fastener is preferably a screw. The rotation shaft 33 is rotated to enable the second latch bolt 31 to have a locking position for locking the display module 40 and an unlocking position for unlocking the display module 40.

The application also provides an LED display device, as shown in fig. 10 to 17, the LED display device of this embodiment includes box 10, a plurality of display module assemblies 40 and adapter plate subassembly 20, and a plurality of display module assemblies 40 splice in the front side of box 10 through magnetism structure, and adapter plate subassembly 20 sets up in box 10, and adapter plate subassembly is foretell adapter plate subassembly. Due to the fact that the adapter plate assembly can solve the problem that in the related art, the adapter plate is fixed on the box body through the fastening piece, field maintenance and installation efficiency are low, and the LED display device comprising the adapter plate assembly can solve the same technical problem.

As shown in fig. 10 to 17, the adapter plate 22 is inserted into the display module 40 through the connector. The rear side of the display module 40 is provided with a matching lock hole 41. Before the adapter plate 22 is plugged with the display module 40 through the connector, the second latch bolt 31 is switched from the unlocking position to the locking position, the second latch bolt 31 is in dislocation fit with the matching locking hole 41, and the second latch bolt 31 locks the matching locking hole 41, so that the display module 40 is locked on the box body 10. In the adaptor plate 22 and the display module assembly 40 carry out grafting complex in-process through the connector, exert on the thrust on the adaptor plate 22 passes through the connector and transmits display module assembly 40, when thrust is greater than the magnetic attraction of structure of inhaling, display module assembly 40 is firmly locked on box 10 by utensil 30, thrust can't push away display module assembly 40 from box 10, avoid display module assembly 40 to take place the possibility that drops, can play the safety insurance effect, and then be convenient for the adaptor plate 22 to install the rear side at fixed part 21.

As shown in fig. 13 and 17, the display module 40 includes a lamp panel 42 and a rear plate 43 disposed behind the lamp panel 42. To facilitate the machining of the mating locking hole 41 in the display module 40, the mating locking hole 41 is provided in the rear plate 43. Fixed part 21 and fixed part 21 are last to be provided with the via hole of dodging the connector, and the connector is including setting up the female plug-in components on lamp plate 42 and setting up the male plug-in components on keysets 22. Thus, in the process of realizing the inserting and matching of the female plug-in and the male plug-in, the arrangement of the via hole can prevent the interference between the fixing part 21 and the connector.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An adapter plate assembly for an LED display device, comprising:

a fixed part (21);

the lock (30) comprises a rotating shaft (33) which is rotatably arranged on the fixing part (21) and a first bolt (34) which is arranged on the rotating shaft (33);

the adapter plate (22) is detachably mounted on the rear side of the fixing portion (21), a bar-shaped lock hole (221) is formed in the adapter plate (22), and the first lock tongue (34) can penetrate through the bar-shaped lock hole (221) and is provided with an unlocking position corresponding to the bar-shaped lock hole (221) and a locking position crossed with the bar-shaped lock hole (221).

2. The adapter plate assembly of the LED display device as claimed in claim 1, wherein the lock (30) further comprises a lock seat (32) mounted on the fixing portion (21), the rotating shaft (33) is rotatably disposed through the lock seat (32), and the first latch (34) is disposed at a rear end of the rotating shaft (33).

3. The adapter plate assembly of the LED display device according to claim 2, wherein a part of the lock base (32) is a strip-shaped lock base, and the strip-shaped lock base (32) is located in the strip-shaped lock hole (221).

4. The adapter plate assembly of the LED display device of claim 2, wherein the lock (30) further comprises a positioning structure (60) disposed between the adapter plate (22) and the first latch tongue (34).

5. The adapter plate assembly of the LED display device according to claim 4, wherein the positioning structure (60) comprises a positioning hole (61) and a positioning member (62) in positioning fit with the positioning hole (61), one of the positioning hole (61) and the positioning member (62) is disposed on the adapter plate (22), and the other is disposed on the first latch tongue (34).

6. The adapter plate assembly of the LED display device according to claim 5, wherein the positioning hole (61) is disposed on the adapter plate (22), the positioning member (62) is disposed on the first latch tongue (34), the positioning member (62) comprises a positioning bead (621) and an elastic member (622), the first latch tongue (34) has a limiting hole (341), the elastic member (622) is located in the limiting hole (341), the positioning bead (621) is limited in the limiting hole (341), and a part of the positioning bead (621) can be located in the positioning hole (61) to keep the first latch tongue (34) at the locking position.

7. The adapter plate assembly of the LED display device according to claim 5, wherein the positioning hole (61) is formed in the adapter plate (22), the positioning member (62) is arranged on the first lock tongue (34), the adapter plate (22) comprises an adapter plate body (222) and a cushion shell (223) arranged on the rear side of the adapter plate body (222), the strip-shaped lock hole (221) is formed in the cushion shell (223), a avoiding hole corresponding to the strip-shaped lock hole (221) is formed in the adapter plate body (222), and the positioning hole (61) is formed in the cushion shell (223).

8. The adapter plate assembly of the LED display device according to claim 7, wherein the pad case (223), the lock sets (30) and the positioning structures (60) are all provided in plurality, the number of the lock sets (30) is an even number times of the number of the pad case (223), the number of the positioning structures (60) is an even number times of the number of the lock sets (30), each pad case (223) comprises two mounting portions (2231) and a protruding portion (2232) located between the two mounting portions (2231), the first locking tongues (34) of the two lock sets (30) and the two mounting portions (2231) are arranged in one-to-one correspondence, one of the positioning holes (61) and the positioning members (62) of each positioning structure (60) is arranged on one of the mounting portions (2231), and the other of the positioning holes (61) and the positioning members (62) of each positioning structure (60) is arranged on the first locking tongues (34) The above.

9. The adapter plate assembly of the LED display device according to claim 2, wherein the first latch tongue (34) is connected to the rotation shaft (33) by a fastener; the lockset (30) also comprises a second bolt (31) which is arranged at the front end of the rotating shaft (33) in a penetrating way.

10. An LED display device, comprising a box body (10), a plurality of display modules (40) and an adapter plate assembly (20), wherein the plurality of display modules (40) are spliced on the front side of the box body (10) through a magnetic suction structure, the adapter plate assembly (20) is arranged in the box body (10), and the LED display device is characterized in that the adapter plate assembly is the adapter plate assembly in any one of claims 1 to 9.

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