CN217767735U - Plug piece of LED display device and LED display device - Google Patents

Abstract

The utility model provides a LED display device's plug spare and LED display device, wherein, LED display device's plug spare, include: a female seat; the switch piece comprises a control key and a third conductor which is movably arranged in the mounting seat, and the control key is in driving fit with the third conductor to drive the third conductor to move; the pushing piece is movably arranged on the mounting seat, the pushing piece comprises a warning portion and a blocking portion connected with the warning portion, the blocking portion is provided with a blocking position matched with the external plug and an avoiding position matched with the external plug, the blocking portion blocks the external plug from entering the mounting seat when being located at the blocking position, and the external plug is inserted into the mounting seat and electrically connected with the second conductor when being located at the avoiding position. The technical scheme of the application effectively solves the problems that in the related art, the on-state and the off-state of the socket are identified manually, and the inspection error or the unnoticed problem is easy to occur.

Description

Plug piece 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 plug spare 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, the two adjacent display units are controlled to be powered on or powered off through the conduction or disconnection of the socket.

When an external plug of an external power supply is inserted into the socket, the on state and the off state of the socket need to be manually identified, but the manual identification is easy to cause inspection errors or carelessness, so that accidents are caused.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a plug and a LED display device for a LED display device to solve the on-state and off-state of the manual identification socket in the related art, and to easily cause a detection error or an unnoticed problem.

In order to achieve the above object, according to an aspect of the present invention, there is provided a plug of an LED display device, including: the female seat comprises a mounting seat, a first conductor and a second conductor which are arranged in the mounting seat at intervals; the switch piece comprises a control key and a third conductor movably arranged in the mounting seat, the control key is in driving fit with the third conductor to drive the third conductor to move, the control key is positioned at a first operation position to drive the third conductor to move to a conduction state enabling the first conductor and the second conductor to be conducted, and the control key is positioned at a second operation position to drive the third conductor to move to a separation state enabling the first conductor and the second conductor to be disconnected; the pushing piece is movably arranged on the mounting seat, the pushing piece comprises a warning portion and a blocking portion connected with the warning portion, the blocking portion is provided with a blocking position matched with the external plug and an avoiding position matched with the external plug, the blocking portion blocks the external plug from entering the mounting seat when being located at the blocking position, and the external plug is inserted into the mounting seat and electrically connected with the second conductor when being located at the avoiding position.

Furtherly, warning portion includes warning board and the connecting portion of being connected with warning board, and connecting portion and the cooperation of pegging graft of stop portion can drive the stop portion through connecting portion and remove when promoting warning board, and the moving direction of stop portion is unanimous with warning board's promotion direction.

Furthermore, the blocking portion comprises a connecting cylinder matched with the connecting portion in an inserting mode and a blocking column connected with the connecting cylinder, a socket is arranged on the connecting cylinder, the connecting portion is provided with an inserting block inserted into the socket, and the inserting block pushes the connecting cylinder to move so that the blocking column can prevent the external plug from entering the mounting seat when being located at a blocking position.

Furthermore, a mounting hole is formed in the mounting seat, the connecting cylinder is movably arranged in the mounting hole, the plugging piece of the LED display device further comprises an elastic piece arranged in the mounting hole, and the elastic piece applies elastic force towards the outer plug to the connecting cylinder.

Furthermore, the plug piece of the LED display device further comprises a first limiting piece arranged in the mounting hole, and the elastic piece is located between the connecting cylinder and part of the first limiting piece.

Furthermore, a containing groove for containing the warning board is formed in the outer wall of the mounting seat, the groove width of the containing groove in the direction of pushing the warning board is larger than the size of the warning board in the direction of pushing the warning board, a through groove for avoiding the connecting portion is formed in the mounting seat, the through groove is communicated with the containing groove, the plugging piece of the LED display device further comprises a second limiting part arranged on the mounting seat, and the second limiting part is matched with the warning board in a limiting mode to limit the warning board in the containing groove.

Further, the second locating part is the stop pin, and the stop pin passes the warning board and connects in the mount pad, is provided with the hole of dodging the stop pin on the warning board, dodges the hole and extends along the promotion direction of warning board.

Furthermore, the pushing piece further comprises a pushing portion connected to the warning portion, and the pushing portion and the blocking portion are located on two sides of the warning portion respectively.

Furthermore, an external socket electrically connected with the second conductor is arranged in the mounting seat; first conductor, second conductor, external socket and third conductor are a plurality ofly, and a plurality of first conductors set up in the mount pad with a plurality of second conductor one-to-ones, and every third conductor can switch on or break off a first conductor and a second conductor that correspond, a plurality of external sockets and the equal electric connection of a plurality of second conductors, and external plug can insert in the mount pad and with a plurality of external socket electric connection.

According to the utility model discloses an on the other hand provides a LED display device, including first display element, second display element and plug spare, first display element sets up adjacent with the second display element, and plug spare is foretell LED display device's plug spare, and the female seat of plug spare sets up in the adjacent side department of first display element and second display element, and first conductor is connected with first display element's power supply unit, and the second conductor is connected with second display element's power supply unit.

Use the technical scheme of the utility model, LED display device's plug spare includes: female seat, switch spare and impeller. The female seat comprises a mounting seat, a first conductor and a second conductor, wherein the first conductor and the second conductor are arranged in the mounting seat at intervals. The switch piece comprises a control key and a third conductor movably arranged in the mounting seat. The control key is in driving fit with the third conductor to drive the third conductor to move so as to enable the third conductor to conduct or break the first conductor and the second conductor. The control key is in a first operation position to drive the third conductor to move to a conducting state for conducting the first conductor and the second conductor, and the control key is in a second operation position to drive the third conductor to move to a separating state for disconnecting the first conductor and the second conductor. The plug-in members of the LED display device may be installed at the sides of two adjacent display units, the first conductor is connected to the power supply member of one display unit, and the second conductor is connected to the power supply member of the other display unit. Because the pushing piece is movably arranged on the mounting seat. The pushing piece comprises a warning part and a blocking part connected with the warning part. The blocking part is provided with a blocking position matched with the blocking of the external plug and an avoiding position matched with the external plug in an avoiding way. Under the effect of warning portion, the stop part prevents external plug to enter into to the mount pad when being in the stop position, and the control key can switch between first control position and second control position this moment, and external plug can't with second conductor electric connection, the electricity on the external plug can not insert to adjacent two display element on, and then does not lead to the electricity on the external plug between adjacent two display element. When the blocking part is at the avoiding position, the external plug is inserted into the mounting seat and is electrically connected with the second conductor. Therefore, in the operation process that the external plug is inserted into the mounting seat, the warning part always reminds the person to identify the on state and the off state of the first conductor and the second conductor of the female seat, and the problem of inspection error or unnoticed caused by the person is reduced. Therefore, the technical scheme of the application can solve the problems that the on state and the off state of the socket are identified manually in the related technology, and the inspection error or the unnoticed problem is easy to occur.

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 perspective view of an embodiment of a plug of an LED display device according to the present invention;

fig. 2 shows a schematic top view of a plug of the LED display device of fig. 1;

FIG. 3 showsbase:Sub>A schematic sectional view of the plug of the LED display device of FIG. 2 from A-A;

fig. 4 isbase:Sub>A schematic perspective view ofbase:Sub>A-base:Sub>A direction ofbase:Sub>A plug of the LED display device of fig. 2;

fig. 5 isbase:Sub>A schematic sectional perspective view of anbase:Sub>A-base:Sub>A direction of an unmounted elastic member andbase:Sub>A first stopper of the plug member of the LED display device of fig. 2;

fig. 6 shows a transverse, cross-sectional illustration of a plug of the LED display device of fig. 1;

fig. 7 is a schematic perspective view of another angle of the plug of the LED display device of fig. 1;

fig. 8 is an exploded view of a part of the plug of the LED display device of fig. 1;

fig. 9 shows a schematic perspective view of an embodiment of an LED display device according to the present invention.

Wherein the figures include the following reference numerals:

10. a female seat; 11. a mounting base; 111. mounting holes; 112. accommodating grooves; 113. a through groove; 114. an external socket; 12. a first conductor; 13. a second conductor; 14. a partition plate; 141. a first mounting cavity; 142. a second mounting cavity; 151. a housing; 152. a base plate; 20. a switch member; 21. a control key; 22. a third conductor; 30. a pusher member; 301. a pushing part; 31. a warning section; 311. a warning panel; 312. avoiding holes; 313. a connecting portion; 314. inserting a block; 32. a blocking portion; 321. a connecting cylinder; 322. a socket; 323. a blocking post; 40. an external plug; 42. an elastic member; 43. a first limit piece; 44. a second limiting member; 45. a PCB board; 60. a protruding mounting portion; 61. a first display unit; 62. and a second display unit.

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.

As shown in fig. 1 to 4 and 9, the plug member of the LED display device of the present embodiment includes: a female housing 10, a switching member 20, and a pushing member 30. The female socket 10 includes a mounting socket 11 and a first conductor 12 and a second conductor 13 disposed in the mounting socket 11 at an interval. The switch member 20 includes a control key 21 and a third conductor 22 movably disposed in the mounting base 11 to make the third conductor 22 conduct or break the first conductor 12 and the second conductor 13. The control key 21 is in driving fit with the third conductor 22 to drive the third conductor 22 to move, the control key 21 is in a first operation position to drive the third conductor 22 to move to a conducting state for conducting the first conductor 12 and the second conductor 13, and the control key 21 is in a second operation position to drive the third conductor 22 to move to a separated state for disconnecting the first conductor 12 and the second conductor 13. The pushing member 30 is movably disposed on the mount 11. The pushing member 30 includes a warning portion 31 and a stopper portion 32 connected to the warning portion 31. The blocking portion 32 has a blocking position which blocks and cooperates with the external plug 40 and an avoiding position which avoids and cooperates with the external plug 40, when the blocking portion 32 is at the blocking position, the blocking portion 32 prevents the external plug 40 from entering the mounting seat 11, and when the blocking portion 32 is at the avoiding position, the external plug 40 is inserted into the mounting seat 11 and electrically connected with the second conductor 13.

By applying the technical scheme of the embodiment, the plug-pull pieces of the LED display device can be installed at the side edges of two adjacent display units, the first conductor 12 is connected with the power supply piece of one display unit, and the second conductor is connected with the power supply piece of the other display unit. Since the pushing member 30 is movably provided to the mount 11. The pushing member 30 includes a warning portion 31 and a stopper portion 32 connected to the warning portion 31. The stopper 32 has a stopper position in stopper engagement with the external plug 40 and an escape position in escape engagement with the external plug 40. Under the effect of the warning portion 31, when the blocking portion 32 is in the blocking position, the blocking portion 32 prevents the external plug 40 from entering the mounting base 11, at this time, the control key 21 can be switched between the first control position and the second control position, the external plug 40 cannot be electrically connected with the second conductor 13, electricity on the external plug 40 cannot be connected to two adjacent display units, and then electricity on the external plug 40 cannot be connected between two adjacent display units. When the blocking portion 32 is in the retracted position, the external plug 40 is inserted into the mounting seat 11 and electrically connected to the second conductor 13. Thus, in the process of inserting the external plug 40 into the mounting seat 11, the warning part 31 always reminds people to identify the on state and the off state of the first conductor 12 and the second conductor 13 of the female seat 10, and the problem of detection errors or unnoticed manual work is reduced. Therefore, the technical scheme of the embodiment can solve the problems that the on state and the off state of the socket are identified manually in the related art, and the inspection error or the unnoticed problem is easy to occur. In the present embodiment, the switch member 20 is preferably a boat type switch.

As shown in fig. 1 to 5, the warning portion 31 includes a warning plate 311 and a connecting portion 313 connected to the warning plate 311. The display surface of the warning board 311 is wide, can provide a wide visual field, is more striking, is convenient for warning manpower, and plays a role in reminding. The connecting portion 313 is matched with the blocking portion 32 in an inserting manner, when the warning plate 311 is pushed, the blocking portion 32 can be driven by the connecting portion 313 to move, and the moving direction of the blocking portion 32 is consistent with the pushing direction of the warning plate 311. Thus, when the warning plate 311 is pushed, the warning plate 311 can drive the stopper 32 to move in the same direction by the connecting portion 313, and the stopper 32 is moved and switched between the retracted position and the stopping position.

As shown in fig. 3 to 5 and 8, the blocking portion 32 includes a connecting cylinder 321 inserted into the connecting portion 313 and a blocking column 323 connected to the connecting cylinder 321. The inside of the connecting cylinder 321 has a space, and the rest of the plug member of the LED display device, such as a part of the elastic member 42 and a part of the first stopper 43, can be installed. The connecting cylinder 321 is provided with a socket 322, and the connecting portion 313 includes an insertion block 314 inserted into the socket 322. The socket 322 is matched with the plug 314 in a plugging way, the structure is simple, and the connecting part 313 drives the connecting cylinder 321 to move together. Meanwhile, the socket 322 and the plug 314 can be constrained to each other, so that the plug 314 is prevented from rotating relative to the socket 322, and the plug 314 smoothly pushes the connecting cylinder 321 to move so as to prevent the external plug 40 from entering the mounting seat 11 when the blocking column 323 is in the blocking position.

As shown in fig. 3 to 5 and 8, the mounting seat 11 is provided with a mounting hole 111 therein, and the connecting cylinder 321 is movably provided in the mounting hole 111. The plug member of the LED display device further includes an elastic member 42 disposed in the mounting hole 111, and the elastic member 42 applies an elastic force to the connection cylinder 321 toward the outer plug 40. Thus, the connecting cylinder 321 and the elastic member 42 can be accommodated in the mounting hole 111. A part of the elastic member 42 extends into the connecting cylinder 321, and the blocking portion 32 can be automatically switched from the escape position to the blocking position by the elastic force of the elastic member 42. The inner wall of the connecting cylinder 321 can limit the radial movement range of the elastic member 42, so that the elastic member 42 can stably apply elastic force to the connecting cylinder 321 toward the outer plug 40. The elastic member 42 is preferably a spring. In this embodiment, the insert 314 is provided with a notch to avoid the elastic member 42.

As shown in fig. 3 to 5, 7 and 8, the plug of the LED display device further includes a first limiting member 43 disposed in the mounting hole 111. The elastic member 42 is located between the connecting cylinder 321 and a part of the first stopper 43. In this way, both ends of the elastic member 42 are pressed by the connecting cylinder 321 and the first limiting member 43, so that the elastic member 42 can maintain a state of applying an elastic force to the connecting cylinder 321 toward the outer plug 40, facilitating a quick response in the process of switching the blocking portion 32 from the avoiding position to the blocking position. The first stopper 43 is provided to prevent the elastic member 42 from coming off the mounting hole 111 in the axial direction thereof.

As shown in fig. 3 to 5, 7 and 8, the outer wall of the mounting seat 11 is provided with a receiving groove 112 for receiving the warning plate 311. The groove width of the receiving groove 112 in the pushing direction of the warning plate 311 is larger than the size of the warning plate 311 in the pushing direction. Like this, the volume of holding tank 112 is great, is convenient for warn board 311 along the tank bottom wall of holding tank 112 removal and receive the spacing of the groove lateral wall of holding tank 112, plays the guide effect to the removal of warning board 311. The installation seat 11 is provided with a through groove 113 avoiding the connection portion 313, the through groove 113 is communicated with the accommodating groove 112, the plugging member of the LED display device further comprises a second limiting member 44 arranged on the installation seat 11, and the second limiting member 44 is in limiting fit with the warning plate 311 to limit the warning plate 311 in the accommodating groove 112. Thus, the warning plate 311 can be reliably moved in the housing groove 112, and the warning plate 311 is prevented from coming out of the housing groove 112.

As shown in fig. 3 to 5, 7 and 8, in this embodiment, the mounting base 11 includes a housing 151, a bottom plate 152 covering an opening at the bottom of the housing 151, and a partition 14 partitioning a space between the housing 151 and the bottom plate 152, the partition 14 partitioning the space into a first mounting cavity 141 and a second mounting cavity 142, a first opening communicating with the first mounting cavity 141 and a second opening communicating with the second mounting cavity 142 are provided at the top of the housing 151, the third conductor 22 and the control key 21 are mounted in the first mounting cavity 141 through the first opening, and the external plug 40 can be inserted into the second mounting cavity 142 through the second opening. The partition 14 and the bottom plate 152 have a gap therebetween to avoid the first conductor 12 and the second conductor 13. The mounting seat 11 further includes a protruding mounting portion 60 disposed on an outer side wall of the housing 151, the mounting hole 111 is disposed in the protruding mounting portion 60, an axis of the mounting hole 111 is perpendicular to a direction in which the external plug 40 is inserted into the second mounting cavity 142, and the receiving groove 112 is disposed on a surface of the protruding mounting portion 60.

Specifically, when the blocking portion 32 is in the blocking position, the blocking column 323 extends into the second mounting cavity 142, and the blocking portion 32 blocks the external plug 40 from entering the mounting seat 11.

As shown in fig. 3 to 5, 7 and 8, the second limiting member 44 is a limiting nail. The second limiting member 44 is simple in structure, convenient to process and low in cost due to the arrangement of the limiting nail. The stop pin passes warning board 311 and connects in mount pad 11, is provided with the hole 312 of dodging the stop pin on the warning board 311, dodges the hole 312 and extends along warning board 311's promotion direction. Thus, the warning plate 311 moves in the accommodating groove 112, and the limiting pin is prevented from interfering with the warning plate 311 due to the arrangement of the avoiding hole 312. The relief hole 312 is preferably an oblong hole.

As shown in fig. 3 to 5, 7 and 8, in order to facilitate manual operation of the pushing member 30, the pushing member 30 further includes a pushing portion 301 connected to the warning portion 31, and the pushing portion 301 and the blocking portion 32 are respectively located at two sides of the warning portion 31.

As shown in fig. 3 to fig. 6, in this embodiment, the plug of the LED display device further includes a PCB 45 disposed in the mounting seat 11, the first conductor 12 and the second conductor 13 are both disposed on the PCB 45, and the PCB 45 is used as a carrier of the first conductor 12 and the second conductor 13, so that the third conductor 22 is electrically connected to the input conductive terminal and the output conductive terminal at the same time. Having a gap between the partition 14 and the bottom plate 152 to avoid the first conductor 12 and the second conductor 13 also enables avoiding the PCB board 45.

As shown in fig. 3 to 6, an external socket 114 electrically connected to the second conductor 13 is provided in the mounting seat 11. The first conductors 12, the second conductors 13, the external connection sockets 114 and the third conductors 22 are all multiple, the multiple first conductors 12 and the multiple second conductors 13 are arranged in the mounting seat 11 in a one-to-one correspondence manner, each third conductor 22 can be connected or disconnected with one corresponding first conductor 12 and one corresponding second conductor 13, and the multiple external connection sockets 114 are electrically connected with the multiple second conductors 13. The external plug 40 can be inserted into the mounting seat 11 and electrically connected to the plurality of external sockets 114. In this way, the external plug 40 is inserted into the mounting seat 11 and is plugged into the external plug 114 to be electrically connected, so that the second conductor 13 can be connected to an external power source. And the external connection socket 114 can be integrated on the PCB 45, so that the overall structure of the plug is simple.

The external plug 40 includes a housing and a plurality of external conductors penetrating the housing, and when the blocking portion 32 is in the retracted position, a portion of the housing is inserted into the mounting seat 11 and makes the plurality of external conductors contact and conduct with the plurality of external sockets 114.

Specifically, the external conductor is a power external wire copper pin, and the external socket 114 has a power crown spring in plug-contact fit with the power external wire copper pin.

Specifically, the plurality of first conductors 12 includes a first neutral terminal and a first hot terminal. The plurality of second conductors 13 include a second neutral terminal and a second live terminal, and the connector further includes a ground terminal disposed on the PCB and spaced from the second neutral terminal. In this way, the ground terminal is also integrated on the PCB. The control keys 21 are keys and two ejector columns connected below the keys. Every third conductor 22 is for the wane with ejection of compact post sliding fit, the swing position department of every wane with the second zero line terminal and the second live wire terminal butt that correspond and the cooperation of conducting, the tip of every wane can switch on or separate with the first zero line terminal and the first live wire terminal that correspond. When external plug 40 is not inserted to mount pad 11 in, press the button and make two ejector pins press two wanes respectively to make two ejector pins slide on two wanes and promote the swing position department of two wanes around second zero line terminal and the swing of second live wire terminal, the tip of two wanes switches on or separates with first zero line terminal and the first live wire terminal that corresponds, so that control key 21 switches between first operating position and second operating position.

In this embodiment, the key is provided with a switch closing indication for making the control key 21 in the first operation position and a switch opening indication for making the control key 21 in the second operation position.

In the present embodiment, a plurality of hollow holes (not shown) are disposed on the bottom plate 152 so that the heat in the mounting seat 11 can be dissipated to the outside of the mounting seat 11. Thus, the heat in the mounting seat 11 can be directly dissipated through the plurality of hollow holes.

The present application further provides an LED display device, as shown in fig. 1 to 3, 6 and 9, the LED display device of the present embodiment includes a first display unit 61, a second display unit 62 and a plug piece, the first display unit 61 and the second display unit 62 are disposed adjacent to each other, and the plug piece is the plug piece of the LED display device. Due to the fact that the plugging piece of the LED display device can solve the problems that in the related art, the on state and the off state of a socket are identified manually, and the detection error or the unnoticed problem is prone to occurring, the LED display device with the plugging piece can have the same technical problem in structure. The female socket 10 of the plug-in member is arranged at the adjacent side of the first display unit 61 and the second display unit 62, the first conductor 12 is connected with the power supply member of the first display unit 61, and the second conductor 13 is connected with the power supply member of the second display unit 62.

Specifically, the power supply element of the first display unit 61 is a first power supply board, the plurality of lead-out conductors of the first power supply board are electrically connected to the plurality of first conductors 12 in a one-to-one correspondence manner, the power supply element of the second display unit 62 is a second power supply board, and the plurality of lead-out conductors of the second power supply board are electrically connected to the plurality of second conductors 13 in a one-to-one correspondence manner.

When the external plug 40 is not inserted into the mounting seat 11, the blocking column 323 is always in the blocking position because the elastic member 42 pre-compresses in advance, and the blocking column 323 has no relevant function; in synchronization, the control key 21 of the boat switch can freely control the on or off state of the first conductor 12 and the second conductor 13, and further, the on state of the first display unit 61 and the second display unit 62. When the external plug 40 is inserted, the blocking column 323 is in the blocking position, so that the insertion of an external power supply is blocked; in the synchronous state, an external power supply can be inserted only by pushing the pushing piece 30 to drive the blocking column 323 to be in the avoiding position; the person is required to perform the second operation, and simultaneously, the pushing member 30 is provided with the warning part 31, and the person is warned that the operation safety of the external plug 40 and the opening and closing state of the ship-shaped switch need to be noticed.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the directional terms such as "front, back, upper, lower, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and in the case of not making a contrary explanation, these directional terms do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore, should not be construed 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.

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 if not stated otherwise, the terms have no special meaning, 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. A plug-in member of an LED display device is characterized by comprising:

the female seat (10) comprises a mounting seat (11) and a first conductor (12) and a second conductor (13) which are arranged in the mounting seat (11) at intervals;

the switch piece (20) comprises a control key (21) and a third conductor (22) movably arranged in the mounting seat (11), and the control key (21) is in driving fit with the third conductor (22) to drive the third conductor (22) to move so as to enable the third conductor (22) to conduct or disconnect the first conductor (12) and the second conductor (13);

the pushing piece (30) is movably arranged on the mounting seat (11), the pushing piece (30) comprises a warning portion (31) and a blocking portion (32) connected with the warning portion (31), the blocking portion (32) is provided with a blocking position matched with an external plug (40) in a blocking mode and an avoiding position matched with the external plug (40) in an avoiding mode, when the blocking portion (32) is located at the blocking position, the blocking portion (32) prevents the external plug (40) from entering the mounting seat (11), and when the blocking portion (32) is located at the avoiding position, the external plug (40) is inserted into the mounting seat (11) and electrically connected with the second conductor (13).

2. The plug of the LED display device according to claim 1, wherein the warning portion (31) comprises a warning plate (311) and a connecting portion (313) connected with the warning plate (311), the connecting portion (313) is in plug fit with the blocking portion (32), the blocking portion (32) can be driven by the connecting portion (313) to move when the warning plate (311) is pushed, and the moving direction of the blocking portion (32) is consistent with the pushing direction of the warning plate (311).

3. The plug-in member of the LED display device according to claim 2, wherein the blocking portion (32) comprises a connecting cylinder (321) in plug-in fit with the connecting portion (313) and a blocking column (323) connected with the connecting cylinder (321), a socket (322) is disposed on the connecting cylinder (321), the connecting portion (313) has an insert (314) inserted into the socket (322), and the insert (314) pushes the connecting cylinder (321) to move so that the blocking column (323) blocks the external plug (40) from entering the mounting seat (11) when in the blocking position.

4. The plug of the LED display device according to claim 3, wherein a mounting hole (111) is formed in the mounting seat (11), the connecting cylinder (321) is movably disposed in the mounting hole (111), the plug of the LED display device further comprises an elastic member (42) disposed in the mounting hole (111), and the elastic member (42) applies an elastic force to the connecting cylinder (321) toward the external plug (40).

5. The plug of the LED display device according to claim 4, further comprising a first stopper (43) disposed in the mounting hole (111), wherein the elastic member (42) is located between the connecting cylinder (321) and a portion of the first stopper (43).

6. The plug of the LED display device according to claim 2, wherein an accommodating groove (112) for accommodating the warning plate (311) is formed in an outer wall of the mounting seat (11), a groove width of the accommodating groove (112) in a pushing direction of the warning plate (311) is larger than a dimension of the warning plate (311) in the pushing direction, a through groove (113) for avoiding the connecting portion (313) is formed in the mounting seat (11), the through groove (113) is communicated with the accommodating groove (112), the plug of the LED display device further comprises a second limiting part (44) arranged in the mounting seat (11), and the second limiting part (44) is in limit fit with the warning plate (311) to limit the warning plate (311) in the accommodating groove (112).

7. The plug of the LED display device according to claim 6, wherein the second position-limiting member (44) is a position-limiting nail, the position-limiting nail passes through the warning plate (311) and is connected to the mounting seat (11), an avoiding hole (312) for avoiding the position-limiting nail is formed in the warning plate (311), and the avoiding hole (312) extends along the pushing direction of the warning plate (311).

8. The plug-in member of an LED display device according to claim 1, wherein the pushing member (30) further comprises a pushing portion (301) connected to the warning portion (31), and the pushing portion (301) and the blocking portion (32) are respectively located at two sides of the warning portion (31).

9. The plug of LED display device according to claim 1,

an external socket (114) electrically connected with the second conductor (13) is arranged in the mounting seat (11);

the first conductor (12), the second conductor (13), external socket (114) and third conductor (22) are a plurality of, and are a plurality of first conductor (12) and a plurality of second conductor (13) one-to-one set up in mount pad (11), every third conductor (22) can switch on or break off corresponding one first conductor (12) and one second conductor (13), and is a plurality of external socket (114) and a plurality of the equal electric connection of second conductor (13), external plug (40) can insert to in mount pad (11) and with a plurality of external socket (114) electric connection.

10. An LED display device, comprising a first display unit (61), a second display unit (62) and a plug member, wherein the first display unit (61) and the second display unit (62) are adjacently arranged, the LED display device is characterized in that the plug member is the plug member of the LED display device as claimed in any one of claims 1 to 9, a female seat (10) of the plug member is arranged at the adjacent side of the first display unit (61) and the second display unit (62), a first conductor (12) is connected with a power supply member of the first display unit (61), and a second conductor (13) is connected with the power supply member of the second display unit (62).

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