CN218586481U

CN218586481U - Connector of LED display device and LED display device

Info

Publication number: CN218586481U
Application number: CN202222743759.1U
Authority: CN
Inventors: 曹林华; 刘志勇
Original assignee: Leyard Optoelectronic Co Ltd
Current assignee: Leyard Optoelectronic Co Ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-03-07
Anticipated expiration: 2032-10-17

Abstract

The utility model provides a LED display device's connector and LED display device, wherein, LED display device's connector, include: the plug seat comprises a first seat body and a first plug part which is arranged in the first seat body in a penetrating way; the plug head comprises a second seat body, a second plug part movably arranged in the second seat body and a magnetic attraction structure capable of driving the second plug part to move, wherein the magnetic attraction structure comprises a first magnetic attraction piece arranged on one side of the first seat body facing the second plug part and a second magnetic attraction piece arranged on one side of the second plug part facing the first seat body, when the first magnetic attraction piece and the second magnetic attraction piece are in magnetic attraction fit, the magnetic attraction structure can drive the second plug part to move to a conduction position which is in contact conduction with the first plug part, and when the first magnetic attraction piece and the second magnetic attraction piece are separated, the second plug part can move to a disconnection position which is separated from the first plug part. The technical scheme of the application effectively solves the problem of complex wiring when the power supply lead in the related art is connected.

Description

Connector of LED display device and LED display device

Technical Field

The utility model relates to a LED shows technical field, particularly, relates to a LED display device's connector and LED display device.

Background

In the field of LED (Light-Emitting Diode) display technology, an LED display device includes a plurality of display units arranged side by side. When two adjacent display units are assembled, flexible power supply lead wires are generally adopted for connection.

Thus, wiring is complicated when the power supply lead is connected, so that the assembling efficiency of the display unit is low.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a connector for LED display device and LED display device to solve the problem of complicated wiring when connecting the power supply wires in the related art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a connector for an LED display device, comprising: the plug seat comprises a first seat body and a first plug part which is arranged in the first seat body in a penetrating way; the plug head comprises a second seat body, a second plug part movably arranged in the second seat body and a magnetic attraction structure capable of driving the second plug part to move, wherein the second plug part is provided with a conducting position extending out of the second seat body and used for being in contact conduction with the first plug part, and a disconnecting position retracting into the second seat body and separated from the first plug part, the magnetic attraction structure comprises a first magnetic attraction piece arranged on one side of the first seat body, facing the second plug part, and a second magnetic attraction piece arranged on one side of the second plug part, facing the first seat body, and the first magnetic attraction piece and the second magnetic attraction piece are matched with each other in a magnetic attraction mode, the second plug part can be driven to move to the conducting position, and when the first magnetic attraction piece is separated from the second magnetic attraction piece, the second plug part can move to the disconnecting position.

Furthermore, the first magnetic part comprises a first magnetic pole, and the second magnetic part comprises a second magnetic pole.

Furthermore, a positioning hole for the second magnetic attraction column to pass through is formed in the second seat body.

Furtherly, the plug head is still including setting up the elastic component between second seat body and second plug portion, and the elastic component is applyed to second plug portion along the elasticity that deviates from first plug portion direction, and when first magnetism was inhaled magnetic attraction between piece and the second and is inhaled when being greater than elasticity, second plug portion was inhaled the piece by the off-position and is inhaled the removal of position to the switch-on position, and when first magnetism was inhaled magnetic attraction between piece and the second magnetism and is inhaled the piece and be less than elasticity, second plug portion was inhaled the removal of position to the off-position by the switch-on position.

Furthermore, the second plugging part comprises an insulator, a conductor penetrating through the insulator and an installation cylinder arranged on the insulator, the installation cylinder is sleeved on the outer side of the conductor, and the elastic element is sleeved on the outer side of the installation cylinder.

Furthermore, a guide structure is arranged between the second seat body and the second plugging part.

Further, the guide structure comprises a guide hole and a guide post inserted into the guide hole, one of the guide hole and the guide post is arranged on the second seat body, and the other of the guide hole and the guide post is arranged on the second plugging portion.

Furthermore, the second seat body comprises a first cylinder seat, a second cylinder seat communicated with the first cylinder seat and a connecting plate for connecting the first cylinder seat and the second cylinder seat, the maximum outer diameter of the second cylinder seat is smaller than or equal to the minimum inner diameter of the first cylinder seat, the second plugging portion comprises an insulator and a conductor penetrating through the insulator, one part of the insulator is located in the first cylinder seat, and the other part of the insulator is located in the second cylinder seat.

According to another aspect of the present invention, there is provided an LED display device, including a plurality of display units and a connector disposed between two adjacent display units, the connector is the connector of the LED display device, the plug seat of the connector is disposed on a first side of one of the two adjacent display units adjacent to the other display unit, and the plug head of the connector is disposed on a second side of the other of the two adjacent display units adjacent to the one display unit.

Furthermore, a first avoiding hole for avoiding a first plugging part of the connector is formed in the first side edge, a second avoiding hole for avoiding a second plugging part of the connector is formed in the second side edge, a third avoiding hole for avoiding the first magnetic attraction piece is further formed in the first side edge, and a fourth avoiding hole for avoiding the second magnetic attraction piece of the connector is further formed in the second side edge.

Use the technical scheme of the utility model, LED display device's connector includes: plug seat and plug head. The plug seat comprises a first seat body and a first plug part which is arranged in the first seat body in a penetrating way. The plug head comprises a second seat body, a second plug part movably arranged in the second seat body and a magnetic attraction structure capable of driving the second plug part to move. The magnetic attraction structure comprises a first magnetic attraction piece arranged on one side of the first seat body facing the second plugging part and a second magnetic attraction piece arranged on one side of the second plugging part facing the first seat body. The plugging seat of the connector of the LED display device can be arranged on the first side edge, adjacent to the other display unit, of one display unit of the two adjacent display units, and the plugging head of the connector of the LED display device is arranged on the second side edge, adjacent to the one display unit, of the other display unit of the two adjacent display units. When two adjacent display units are assembled together, the first magnetic attraction piece and the second magnetic attraction piece drive the second plug-pull part to move to the conduction position in contact conduction with the first plug-pull part during magnetic attraction matching. The second plugging part extends out of the second seat body when being at the conduction position. Like this, when two adjacent display element assemblies, through the opposite insertion of plug seat and plug head, make second plug portion directly realize electric connection with first plug portion contact switch-on back, need not like the power wire among the correlation technique need lay wire the operation when connecting, complicated wiring when having avoided the power wire to connect for two adjacent display element assemblies are more simple and convenient, have promoted assembly efficiency. Therefore, the technical scheme of the application effectively solves the problem of complex wiring when the power supply lead is connected in the related art. When two adjacent display units are disassembled, the first magnetic attraction piece and the second magnetic attraction piece drive the second plug-pull part to move to a disconnected position separated from the first plug-pull part when being separated. When the second plugging part is in the disconnection position, the second plugging part retracts into the second seat body, the plugging seat and the plugging head can be separated at the moment, and two adjacent display units can be detached.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic cross-sectional view of an embodiment of a LED display device according to the present invention;

FIG. 2 shows a schematic enlarged view of a portion of the LED display device of FIG. 1 at A;

fig. 3 shows a schematic perspective view of the LED display device of fig. 2;

fig. 4 shows a front view of a plug head of an embodiment of a connector of an LED display device according to the invention;

fig. 5 shows a schematic top view of the plug head of fig. 4;

FIG. 6 shows a cross-sectional view B-B of the insertion and extraction head of FIG. 5;

FIG. 7 shows a cross-sectional view of the insertion and extraction head of FIG. 5 in the direction C-C;

fig. 8 shows a cross-sectional view of a socket of a connector of the LED display device of fig. 4.

Wherein the figures include the following reference numerals:

10. a display unit; 11. a first side edge; 12. a second side edge; 13. a first avoidance hole; 14. a second avoidance hole; 15. a third avoidance hole; 16. a fourth avoidance hole;

20. a plug seat; 21. a first seat body; 22. a first plugging portion;

30. inserting and pulling the head; 31. a second seat body; 311. a first cartridge holder; 312. a second cartridge holder; 313. a connecting plate; 314. positioning holes; 315. a guide hole; 32. a second plugging portion; 321. an insulator; 322. an electrical conductor; 323. mounting the cylinder; 324. a guide post; 33. a magnetic attraction structure; 331. a first magnetic attraction member; 332. a second magnetic attraction member; 34. an elastic member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to 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.

As shown in fig. 1 to 8, the connector of the LED display device of the present embodiment includes: a socket 20 and a plug 30. The insert seat 20 includes a first seat body 21 and a first insert portion 22 inserted into the first seat body 21. The plug head 30 includes a second seat body 31, a second plug portion 32 movably disposed in the second seat body 31, and a magnetic structure 33 capable of driving the second plug portion 32 to move. The second plug portion 32 has a conducting position extending out of the second housing body 31 for contacting with the first plug portion 22, and a disconnecting position retracting into the second housing body 31 to separate from the first plug portion 22. The magnetic attraction structure 33 includes a first magnetic attraction member 331 disposed on one side of the first seat body 21 facing the second inserting and pulling portion 32 and a second magnetic attraction member 332 disposed on one side of the second inserting and pulling portion 32 facing the first seat body 21, when the first magnetic attraction member 331 and the second magnetic attraction member 332 are magnetically engaged, the second inserting and pulling portion 32 can be driven to move to an on position, and when the first magnetic attraction member 331 and the second magnetic attraction member 332 are separated, the second inserting and pulling portion 32 can be moved to an off position.

With the technical solution of the present embodiment, the magnetic structure 33 includes a first magnetic component 331 disposed on one side of the first seat body 21 facing the second inserting/extracting portion 32 and a second magnetic component 332 disposed on one side of the second inserting/extracting portion 32 facing the first seat body 21. The socket 20 of the connector of the LED display device may be disposed on the first side 11 of one display unit 10 and the other display unit 10 of the two adjacent display units 10, and the plug 30 of the connector of the LED display device may be disposed on the second side 12 of the other display unit 10 and the one display unit 10 of the two adjacent display units 10. When two adjacent display units 10 are assembled together, the first magnetic attraction piece 331 and the second magnetic attraction piece 332 magnetically attract and cooperate to drive the second inserting and pulling portion 32 to move to the conducting position in contact with and conducting with the first inserting and pulling portion 22. The second inserting/extracting portion 32 is extended from the second housing body 31 when it is at the on position. Like this, when two adjacent display element 10 assemble, through the opposite insertion of plug seat 20 and plug head 30, make second plug portion 32 directly realize electric connection after switching on with the contact of first plug portion 22, need not like the power wire among the correlation technique need lay wire the operation when connecting, complicated wiring when having avoided the power wire to connect for two adjacent display element 10 assemble more portably, promoted assembly efficiency. Therefore, the technical scheme of the embodiment effectively solves the problem of complex wiring when the power supply lead is connected in the related art. When two adjacent display units 10 are detached, the first magnetic attraction piece 331 is separated from the second magnetic attraction piece 332, and the second inserting and pulling portion 32 moves to the disconnected position separated from the first inserting and pulling portion 22. When the second inserting/extracting portion 32 is in the disconnected position, it is retracted into the second seat body 31, and at this time, the inserting/extracting seat 20 and the inserting/extracting head 30 can be separated, and two adjacent display units 10 can be detached.

Further, in order to facilitate the magnetic attraction of the first magnetic attraction member 331 and the second magnetic attraction member 332, the first magnetic attraction member 331 includes a first magnetic attraction column, and the second magnetic attraction member 332 includes a second magnetic attraction column. The first magnetic attraction column and the second magnetic attraction column are square in shape and have no edges, so that the assembly is facilitated.

In this embodiment, the first magnetic attraction column is preferably a first permanent magnet, and the second magnetic attraction column is preferably a second permanent magnet.

As shown in fig. 1 to fig. 6, for the convenience of installation, the second magnetic pillar is positioned on the second seat body 31, and the second seat body 31 is provided with a positioning hole 314 for the second magnetic pillar to pass through.

As shown in fig. 1 to 8, when two adjacent display units 10 are detached, in order to facilitate the second inserting and pulling portion 32 and the first inserting and pulling portion 22 to be quickly moved from the on position to the off position, the inserting and pulling head 30 further includes an elastic member 34 disposed between the second seat body 31 and the second inserting and pulling portion 32. The elastic member 34 applies an elastic force to the second inserting and pulling portion 32 in a direction away from the first inserting and pulling portion 22, when the magnetic attraction force between the first magnetic attraction member 331 and the second magnetic attraction member 332 is greater than the elastic force, the second inserting and pulling portion 32 moves from the off position to the on position, and when the magnetic attraction force between the first magnetic attraction member 331 and the second magnetic attraction member 332 is less than the elastic force, the second inserting and pulling portion 32 moves from the on position to the off position. The elastic member 34 is preferably a compression spring.

Specifically, the N pole of the first magnetic attraction column corresponds to the S pole of the second magnetic attraction column. When two adjacent display units 10 are assembled together, the second magnetic attraction column receives the upward magnetic attraction force of the first magnetic attraction column, the second magnetic attraction column drives the second plugging and unplugging part 32 to start moving upward, meanwhile, the second plugging and unplugging part 32 compresses the elastic part 34, when the magnetic attraction force between the first magnetic attraction part 331 and the second magnetic attraction part 332 is larger than the elastic force, the second plugging and unplugging part 32 overcomes the elastic force and moves upward, so that the second plugging and unplugging part 32 moves to a conducting position in contact conduction with the first plugging and unplugging part 22; when two adjacent display units 10 are detached, the second magnetic attraction column has no corresponding first magnetic attraction column, the elastic member 34 applies an elastic force to the second inserting and pulling portion 32 to push the second inserting and pulling portion 32 to move from the on position to the off position, and keeps applying a certain elastic force to the second inserting and pulling portion 32, so that the second inserting and pulling portion 32 is kept at the off position, and is prevented from falling out of the second seat body 31.

As shown in fig. 1 to 6, in order to facilitate the installation of the elastic member 34 between the second seat body 31 and the second inserting and extracting portion 32 and prevent the elastic member 34 from displacing along the radial direction, the second inserting and extracting portion 32 includes an insulator 321, a conductor 322 penetrating the insulator 321, and an installation cylinder 323 disposed on the insulator 321, the installation cylinder 323 is disposed on the outer side of the conductor 322, and the elastic member 34 is disposed on the outer side of the installation cylinder 323. Thus, the mounting tube 323 can restrict the radial position of the elastic member 34, and improve the mounting reliability.

Specifically, a mounting hole is formed in the insulator 321, the conductor 322 includes a needle cylinder fixed in the mounting hole and a needle moving body located in the needle cylinder and extending out of the mounting hole, a spring is installed in the needle cylinder, and the spring is sleeved on the needle moving body, so that the needle moving body completely floats in the needle cylinder. The needle cylinder is used for mounting and clearance fit of the needle moving body and performs elastic force limitation on the spring. The process of assembling the needle cylinder, the spring and the needle moving body is as follows: the needle body is placed into the needle cylinder, then the spring is placed, and the needle cylinder is sewn in a riveting closing mode to form the spring needle.

As shown in fig. 4 to 6, in order to facilitate the smooth movement of the second inserting/extracting portion 32 in the second housing body 31, a guide structure is further provided between the second housing body 31 and the second inserting/extracting portion 32.

As shown in fig. 4 to 7, the guide structure includes a guide hole 315 and a guide post 324 inserted into the guide hole 315. The guide hole 315 is provided on the second housing body 31, and the guide post 324 is provided on the second inserting/extracting portion 32. Thus, the guide post 324 moves in the guide hole 315 along the axis of the guide hole 315, so that the second inserting/extracting portion 32 can smoothly move in the second housing body 31.

Of course, in the embodiment not shown in the drawings, the guide post is provided on the second holder body, and the guide hole is provided on the second inserting and extracting portion.

As shown in fig. 4 to 7, the second holder body 31 includes a first cylindrical holder 311, a second cylindrical holder 312 communicating with the first cylindrical holder 311, and a connection plate 313 connecting the first cylindrical holder 311 and the second cylindrical holder 312. In this way, the first cylinder 311 and the second cylinder 312 can be connected together by the connection plate 313 to mount the second inserting and extracting portion 32 in the second holder body 31. The maximum outer diameter dimension of the second cartridge 312 is smaller than the minimum inner diameter dimension of the first cartridge 311. In order to facilitate the second inserting/extracting portion 32 to move smoothly in the second seat body 31 along the guiding direction of the guiding structure, the second inserting/extracting portion 32 includes an insulator 321 and a conductor 322 penetrating the insulator 321, a part of the insulator 321 is located in the first cylindrical seat 311, and another part of the insulator 321 is located in the second cylindrical seat 312.

Of course, in an embodiment not shown in the figures, the maximum outer diameter dimension of the second cartridge is equal to the minimum inner diameter dimension of the first cartridge.

The present application further provides an LED display device, as shown in fig. 1 to fig. 3, the LED display device of this embodiment includes a plurality of display units 10 and a connector disposed between two adjacent display units 10, the connector is the connector of the LED display device, the plug seat 20 of the connector is disposed on a first side 11 of one display unit 10 of the two adjacent display units 10 adjacent to the other display unit 10, and the plug head 30 of the connector is disposed on a second side 12 of the other display unit 10 of the two adjacent display units 10 adjacent to the one display unit 10. Since the connector of the LED display device can solve the problem of complicated wiring when the power supply wires are connected in the related art, the LED display device having the connector can solve the same technical problem.

As shown in fig. 1 to 3, one display unit 10 of two adjacent display units 10 is an upper display unit, and the other display unit 10 of the two adjacent display units 10 is a lower display unit. Go up the display element and install when display element down, first magnetism is inhaled piece 331 and second magnetism and is inhaled the cooperation and produce magnetic attraction each other with second magnetism, second magnetism is inhaled piece 332 and is driven second plug portion 32 rebound, second plug portion 32 compression elastic component 34 and overcome elastic component 34's elasticity and continue upwards, second plug portion 32 and the contact of first plug portion 22 and guarantee certain pressure, first magnetism is inhaled piece 331 and is inhaled the cooperation with second magnetism and keep magnetic attraction, realize plug seat 20 and plug head 30's contact and switch on, further realize going up display element and lower display element assembly together, the stability of last display element and lower display element assembly together has also been guaranteed. When the upper display unit is detached from the lower display unit, the upper display unit is far away from the lower display unit, the first magnetic attraction piece 331 and the second magnetic attraction piece 332 are separated and lose magnetic attraction force, and due to the gravity of the second plug portion 32 and the action of elastic force exerted by the elastic piece 34, the second plug portion 32 is moved to the off position from the on position, and then the second plug portion 32 can be kept at the off position. In this way, in the assembling process of two adjacent display units 10, the automatic electrical connection between the plugging seat 20 and the plugging head 30 is realized, no additional plugging operation is required, and the assembly or disassembly between two display units 10 of an operator is facilitated.

As shown in fig. 1 to 3, when two adjacent display units 10 are assembled together, in order to enable the inserting and extracting base 20 and the inserting and extracting head 30 to be smoothly inserted together, a first avoiding hole 13 for avoiding a first inserting and extracting portion 22 of the connector is provided on the first side 11, a second avoiding hole 14 for avoiding a second inserting and extracting portion 32 of the connector is provided on the second side 12, a third avoiding hole 15 for avoiding the first magnetic attraction piece 331 is further provided on the first side 11, and a fourth avoiding hole 16 for avoiding the second magnetic attraction piece 332 of the connector is further provided on the second side 12.

It should be noted that the terms "first", "second", etc. are used to define the components, and are only used to facilitate the distinction of the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, should not be construed as limiting the scope of the present invention.

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

1. A connector for an LED display device, comprising:

the plug seat (20) comprises a first seat body (21) and a first plug part (22) which is arranged in the first seat body (21) in a penetrating way;

the plug head (30) comprises a second seat body (31), a second plug part (32) movably arranged in the second seat body (31) and a magnetic attraction structure (33) capable of driving the second plug part (32) to move,

wherein the second plug part (32) has a conducting position extending out of the second seat body (31) for contacting and conducting with the first plug part (22), and a disconnecting position retracted into the second seat body (31) to be separated from the first plug part (22),

magnetism is inhaled structure (33) and is being in including setting up first seat body (21) orientation piece (331) and the setting are inhaled to first magnetism of second plug portion (32) one side are inhaled and are in second plug portion (32) orientation piece (332) is inhaled to second magnetism of first seat body (21) one side, first magnetism inhale piece (331) with piece (332) magnetism is inhaled to the second magnetism and is inhaled when the cooperation, can drive second plug portion (32) move extremely switch on the position, first magnetism inhale piece (331) with when piece (332) separation is inhaled to the second magnetism, second plug portion (32) can move extremely switch off the position.

2. The connector of the LED display device as claimed in claim 1, wherein the first magnetic member (331) comprises a first magnetic pillar, and the second magnetic member (332) comprises a second magnetic pillar.

3. The connector of the LED display device as claimed in claim 2, wherein the second seat body (31) is provided with a positioning hole (314) for the second magnetic pillar to pass through.

4. The connector of the LED display device according to any one of claims 1 to 3, wherein the plug head (30) further includes an elastic member (34) disposed between the second seat body (31) and the second plug portion (32), the elastic member (34) applies an elastic force to the second plug portion (32) in a direction away from the first plug portion (22), when the magnetic attraction force between the first magnetic attraction member (331) and the second magnetic attraction member (332) is greater than the elastic force, the second plug portion (32) moves from the off position to the on position, and when the magnetic attraction force between the first magnetic attraction member (331) and the second magnetic attraction member (332) is less than the elastic force, the second plug portion (32) moves from the on position to the off position.

5. The connector of the LED display device according to claim 4, wherein the second inserting/extracting portion (32) comprises an insulator (321), a conductor (322) penetrating the insulator (321), and an installation cylinder (323) provided on the insulator (321), the installation cylinder (323) is sleeved on the outer side of the conductor (322), and the elastic member (34) is sleeved on the outer side of the installation cylinder (323).

6. The connector of the LED display device according to any one of claims 1 to 3, wherein a guide structure is further provided between the second socket body (31) and the second insertion/extraction portion (32).

7. The connector of the LED display device according to claim 6, wherein the guide structure includes a guide hole (315) and a guide post (324) inserted into the guide hole (315), one of the guide hole (315) and the guide post (324) is provided on the second socket body (31), and the other of the guide hole (315) and the guide post (324) is provided on the second inserting and extracting portion (32).

8. The connector of the LED display device according to any one of claims 1 to 3, wherein the second holder body (31) includes a first barrel holder (311), a second barrel holder (312) communicating with the first barrel holder (311), and a connection plate (313) connecting the first barrel holder (311) and the second barrel holder (312), a maximum outer diameter of the second barrel holder (312) is smaller than or equal to a minimum inner diameter of the first barrel holder (311), the second insertion and extraction portion (32) includes an insulator (321) and a conductor (322) passing through the insulator (321), a part of the insulator (321) is located in the first barrel holder (311), and another part of the insulator (321) is located in the second barrel holder (312).

9. An LED display device, comprising a plurality of display units (10) and a connector disposed between two adjacent display units (10), wherein the connector is the connector of the LED display device according to any one of claims 1 to 8, the plugging seat (20) of the connector is disposed on a first side (11) adjacent to one of the two adjacent display units (10) and the other display unit (10), and the plugging head (30) of the connector is disposed on a second side (12) adjacent to the other display unit (10) and the display unit (10) of the two adjacent display units (10).

10. The LED display device according to claim 9, wherein a first avoiding hole (13) for avoiding the first inserting and pulling portion (22) of the connector is provided on the first side (11), a second avoiding hole (14) for avoiding the second inserting and pulling portion (32) of the connector is provided on the second side (12), a third avoiding hole (15) for avoiding the first magnetic attraction member (331) is further provided on the first side (11), and a fourth avoiding hole (16) for avoiding the second magnetic attraction member (332) of the connector is further provided on the second side (12).