CN211455159U

CN211455159U - Splicing device

Info

Publication number: CN211455159U
Application number: CN201922495509.9U
Authority: CN
Inventors: 邓涛; 刘爱华
Original assignee: Shenzhen Lightlink Display Technology Co Ltd
Current assignee: Shenzhen Lightlink Display Technology Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-08
Anticipated expiration: 2029-12-31

Abstract

The application relates to the field of LED display screens, in particular to a splicing device. Splicing apparatus includes splicing mechanism and coupling mechanism, and a splicing mechanism is equipped with four locking mechanism, and LED display screen of each locking mechanism locking to splice four LED display screens together, the dismouting is efficient, solves current concatenation screen, and the concatenation adopts the fix with screw, and the dismouting needs instrument, the inefficient problem of dismouting.

Description

Splicing device

Technical Field

The application relates to the field of LED display screens, in particular to a splicing device.

Background

In the prior art, the splicing of the LED display screens is basically that one LED display screen is spliced with another LED display screen, and then the LED display screens are spliced with a third LED display screen after being spliced, and the splicing among the LED display screens is realized by adopting screws for fixing, tools are required for dismounting, and the purpose of quick dismounting can not be achieved.

Content of application

Not enough to prior art, this application provides a splicing apparatus, aims at solving current concatenation screen, and the concatenation adopts the fix with screw, and the dismouting needs the instrument, the inefficient problem of dismouting.

The technical scheme provided by the application is as follows:

a splicing device comprises a splicing mechanism and a connecting mechanism, wherein the splicing mechanism comprises a connecting plate and four locking mechanisms, the connecting plate is provided with four through holes and four first circular columns, each first circular column is positioned above one through hole, the annular holes of the first circular columns are communicated with the through holes, each locking mechanism is used for locking an LED display screen, the locking mechanism comprises a second circular column, a shell and a clamping plate, the inner annular wall of the first circular column is provided with internal threads, the outer annular wall of the second circular column is provided with external threads, the second circular column is in threaded connection with the internal threads through the external threads, the second circular column is connected with the first circular column and is provided with a first end and a second end, the first end penetrates through the annular hole of the first circular column and extends into the through hole, the inner annular wall of the first end is provided with a first clamping block and a second clamping block which are oppositely arranged, the first clamping block and the second clamping block are used for clamping a lock head of the LED display screen, the second end of the first clamping block is exposed out of an annular hole of the first annular column, a third annular column which is concentric with the second annular column is arranged on the outer annular wall of the second end, the shell is connected with the third annular column and covers the first annular column, first gear teeth are arranged on the outer annular wall of the first annular column, a rotating shaft is arranged on the inner wall of the shell, the clamping plate is rotatably arranged on the rotating shaft, a lug for clamping the first gear teeth is arranged at one end of the clamping plate, the lug abuts against the first gear teeth, and the other end of the clamping plate extends out of the shell;

the connecting mechanism comprises a pipe body, a first pipe body and a second pipe body, the pipe body is provided with a pipe hole, the pipe body is provided with a transverse bar hole and a vertical bar hole, one end of the transverse bar hole is communicated with the vertical bar hole, the transverse bar hole and the vertical bar hole are communicated with the pipe hole, the first pipe body is arranged in the pipe hole, one end of the second pipe body penetrates through the vertical bar hole and extends into the pipe hole to be connected with one end of the first pipe body, the other end of the second pipe body is exposed out of the pipe body, the other end of the first pipe body is provided with a connector, the connector is used for being connected with a splicing mechanism, when the second pipe body moves in the vertical bar hole, the second pipe body pushes the first pipe body to move in the pipe hole, so that the connector extends out of or retracts into the pipe hole at one end of the pipe body, when the second pipe body moves from the vertical bar hole to the transverse bar hole, the second body of rod promotes the first body of rod is in rotate in the tube hole, make and stretch out the tube hole the connector rotates, the connector with the concatenation mechanism chucking, the other end of body is equipped with the pipe clamp, the pipe clamp is used for being connected with linking bridge.

Furthermore, locking mechanism still includes the bolt, the top face of third ring post is equipped with first connecting hole, the shell be equipped with the second connecting hole that first connecting hole corresponds, the bolt respectively with first connecting hole, the second connecting hole is connected, makes the shell with the third ring post is connected.

Furthermore, the outer ring wall of the third circular column is provided with a notch, and the inner side wall of the shell is provided with a positioning block matched with the notch.

Furthermore, locking mechanism still includes the extension spring, extension spring one end with the cardboard is connected, the other end with the inside wall of shell is connected, the elastic tension of extension spring makes the lug block first gear tooth.

Further, the locking mechanism further comprises a baffle, and the baffle is arranged on the rotating shaft and located below the clamping plate.

Furthermore, the four through holes are circular through holes, and the circle centers of the four through holes are connected to form a rectangle.

Further, the connecting plate is provided with a supporting part, and the supporting part is arranged at the center of the rectangle.

Further, the supporting portion includes a supporting hole, a third clamping block and a fourth clamping block, the third clamping block and the fourth clamping block are disposed on a hole wall of the supporting hole, and the third clamping block and the fourth clamping block are arranged oppositely.

Further, the third clamping block is provided with a first inner side wall, the fourth clamping block is provided with a second inner side wall, the first inner side wall is provided with a first upper portion and a first lower portion, the second inner side wall is provided with a second upper portion and a second lower portion, the first upper portion is provided with a first blocking block, and the second lower portion is provided with a second blocking block.

According to the technical scheme, the method has the advantages that: a splicing mechanism is equipped with four locking mechanism, and LED display screen is locked to each locking mechanism to splice four LED display screens together, the dismouting validity is high, solves current concatenation screen, and the concatenation adopts the fix with screw, and the dismouting needs the instrument, the inefficient problem of dismouting.

Drawings

FIG. 1 is a schematic structural diagram of a splicing mechanism provided by an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a connecting plate provided by an embodiment of the present application;

FIG. 3 is a structural diagram of another direction of a connecting plate according to an embodiment of the present disclosure;

FIG. 4 is an exploded view of a locking mechanism provided by an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a housing provided by an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a second circular column provided by an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a connection mechanism provided by an embodiment of the present invention;

FIG. 8 is a schematic view of another orientation of the connection mechanism provided by an embodiment of the present invention;

fig. 9 is an exploded view of a connection mechanism provided by an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

As shown in fig. 1, the embodiment of the present application provides a splicing device, where the splicing device includes a splicing mechanism 1 and a connecting mechanism 2, and the splicing mechanism 1 includes a connecting plate 11 and four locking mechanisms 12.

As shown in fig. 2 to 3, the connecting plate 11 is provided with four through holes 111 and four first circular columns 113, each first circular column 113 is located above one through hole 111, the circular holes of the first circular columns 113 are communicated with the through holes 111, each locking mechanism 12 is used for locking one LED display screen, and the four locking mechanisms lock the four LED display screens.

As shown in fig. 4-6, the locking mechanism 12 includes a second circular post 122, a housing 123, and a catch plate 124.

In the present embodiment, the diameter of the annular hole of the first annular pillar 113 is the same as the diameter of the through hole 111, i.e. the radius of the two is the same.

The inner ring wall of the first circular ring column 113 is provided with an internal thread, the outer ring wall of the second circular ring column 122 is provided with an external thread, the external thread is connected with the internal thread through the external thread, and the second circular ring column 122 is connected with the first circular ring column 113.

The second circular column 122 has a first end and a second end, the first end passes through the annular hole of the first circular column 113 and extends into the through hole 111, the inner annular wall of the first end is provided with a first fixture block 1221 and a second fixture block 1222 which are oppositely arranged, and the first fixture block 1221 and the second fixture block 1222 are used for clamping the lock head of the LED display screen.

The second end is exposed out of the annular hole of the first annular pillar 113, and a third annular pillar 125 concentric with the second annular pillar 122 is disposed on the outer annular wall of the second end, that is, the inner annular wall of the third annular pillar 125 is connected to the outer annular wall of the second end.

The housing 123 is connected to the third circular column 125 and covers the first circular column 113. The first annular post 113, the second annular post 122, and the third annular post 125 are disposed in a housing 123.

The outer annular wall of the first circular column 113 is provided with a first gear 1131, the inner wall of the housing 123 is provided with a rotating shaft 1231, the clamping plate 124 is rotatably arranged on the rotating shaft 1231, one end of the clamping plate 124 is provided with a projection 1241 for clamping the first gear 1131, the projection 1241 abuts against the first gear 1131, and the other end of the clamping plate 124 extends out of the housing 123.

In the present embodiment, a part of the outer circumferential wall of the first circular column 113 is provided with the first gear teeth 1131, and specifically, the outer circumferential wall of a half of the first circular column 113 is provided with the first gear teeth 1131.

When the LED display is assembled, the lock of the LED display is inserted into the annular hole of the second circular column 122, the user presses the locking plate 124 to rotate the locking plate 124 on the rotating shaft 1231, the protrusion 1241 leaves the first gear 1131, the protrusion 1241 no longer blocks the first gear 1131, the user rotates the housing 123 in the first direction, since the housing 123 is connected to the third circular column 125, and the third circular column 125 is connected to the second circular column 122, so as to drive the second circular column 122 to rotate on the first circular column 113, that is, the second circular column 122 rotates on the internal thread of the first circular column 113 through the external thread, and further to rotate the first and

second locking blocks

1221 and 1222, and by the misalignment, the first and

second locking blocks

1221 and 1222 respectively lock the lock of the LED display, the lock of the LED display cannot be pulled out of the annular hole of the second circular column 122, and then the locking plate 124 is restored to the original position, that the protrusion 1241 abuts against the first gear 1131 again, the purpose of locking the LED display screen is achieved. When the protrusion 1241 abuts against the first gear tooth 1131, the housing 123 cannot rotate in a second direction, which is opposite to the first direction, e.g., the first direction is counterclockwise and the second direction is clockwise.

When the LED display screen is detached, a user presses the clamping plate 124 to rotate the clamping plate 124 on the rotating shaft 1231, the protrusion 1241 leaves the first gear 1131, the protrusion 1241 does not block the first gear 1131 any more, the user rotates the housing 123 in the second direction, because the housing 123 is connected to the third circular column 125, the third circular column 125 is connected to the second circular column 122, so as to drive the second circular column 122 to rotate on the first circular column 113, that is, the second circular column 122 rotates on the internal thread of the first circular column 113 through the external thread, so as to rotate the first clamping block 1221 and the second clamping block 1222, the first clamping block 1221 and the second clamping block 1222 are restored to the original positions, the first clamping block 1221 and the second clamping block 1222 do not clamp the locking head of the LED display screen any more, and the locking head of the LED display screen can be pulled out from the annular hole of the second circular column 122, thereby achieving the purpose of releasing the LED display screen.

A splicing mechanism 1 is equipped with four locking mechanism 12, and LED display screen of each locking mechanism 12 locking to splice four LED display screens together, the dismouting is efficient, solves current concatenation screen, and the concatenation adopts the fix with screw, and the dismouting needs the instrument, the inefficient problem of dismouting.

In this embodiment, the locking mechanism 12 further includes a bolt, the top end surface of the third circular column 125 is provided with a first connection hole 1251, the housing 123 is provided with a second connection hole 1232 corresponding to the first connection hole 1251, and the bolt is respectively connected to the first connection hole 1251 and the second connection hole 1232, so that the housing 123 is connected to the third circular column 125.

Specifically, the number of bolts is two, the number of first connection holes 1251 is two, the number of second connection holes 1232 is two, and the connection line of the two first connection holes 1251 passes through the hole center of the annular hole of the third annular pillar 125. One bolt is connected to one first connection hole 1251 and one second connection hole 1232, respectively, and the other bolt is connected to the other first connection hole 1251 and the other second connection hole 1232, respectively.

In the present embodiment, the housing 123 is provided with a via hole 1233 and a through hole 111 communicating with the annular hole of the second annular column 122, and specifically, the radius of the via hole 1233 and the through hole 111 is the same as the radius of the annular hole of the second annular column 122.

In this embodiment, the outer annular wall of the third circular column 125 is provided with a notch 1252, and the inner side wall of the housing 123 is provided with a positioning block 1234 matched with the notch 1252. The positioning block 1234 is engaged with the notch 1252, so that the housing 123 is quickly aligned and positioned with the third circular column 125, and the first connection hole 1251 is quickly aligned with the second connection hole 1232.

In this embodiment, the locking mechanism 12 further includes a tension spring, one end of the tension spring is connected to the clamping plate 124, and the other end of the tension spring is connected to the inner side wall of the housing 123, and the elastic tension of the tension spring causes the protrusion 1241 to clamp the first gear 1131. Through the elastic tension of the tension spring, the protrusion 1241 abuts against the first gear tooth 1131, and then the first gear tooth 1131 is clamped. When the user presses the clamping plate 124 to rotate the clamping plate 124 on the rotating shaft 1231, the protrusion 1241 is away from the first gear tooth 1131, and when the pressing force of the user on the clamping plate 124 is removed, the elastic tension of the tension spring makes the clamping plate 124 rotate on the rotating shaft 1231, the original position is automatically restored, and the protrusion 1241 abuts against the first gear tooth 1131.

In some embodiments, the locking mechanism 12 further comprises a compression spring, one end of the compression spring is connected to the catch plate 124, and the other end of the compression spring is connected to the inner side wall of the housing 123, and the elastic pressure of the compression spring causes the protrusion 1241 to lock the first gear 1131.

In this embodiment, the locking mechanism 12 further includes a blocking plate 121, and the blocking plate 121 is disposed on the rotating shaft 1231 and located below the clamping plate 124. The baffle 121 is used for preventing the clamping plate 124 from falling off downwards.

In this embodiment, the four through holes 111 are circular through holes 111, and the connection lines of the centers of the four through holes 111 form a rectangle. The four through holes 111 are located at four corners of the rectangle, respectively, that is, the four locking mechanisms 12 are located at four corners of the rectangle, respectively. When each locking mechanism 12 locks one LED display screen, the stress of the splicing mechanism 1 is balanced.

In the present embodiment, the connection plate 11 is provided with the support portion 112, and the support portion 112 is provided at the center of the rectangle. The support portion 112 is used for connecting with a connecting mechanism, and the connecting mechanism supports the splicing mechanism 1 through the support portion 112.

In the present embodiment, the support portion 112 includes a support hole 1121, a third tab 1122, and a fourth tab 1123, the third tab 1122 and the fourth tab 1123 are provided at a hole wall of the support hole 1121, and the third tab 1122 and the fourth tab 1123 are oppositely disposed. The connection mechanism extends into the support hole 1121 through the support hole 1121, and then rotates, and the third and

fourth latches

1122 and 1123 catch the connection mechanism through misalignment.

In this embodiment, the third and

fourth retainers

1122 and 1123 have first and second inner sidewalls, respectively, the first inner sidewall has a first upper portion and a first lower portion, the second inner sidewall has a second upper portion and a second lower portion, the first upper portion has a first stopper 11221, and the second lower portion has a second stopper 11231. To further stabilize the connection mechanism, third and

fourth collets

1122 and 1123 may be snapped into place.

In this embodiment, the housing 123 is provided with a first pushing plate 1235, which facilitates the user to apply force to rotate the housing 123 through the first pushing plate 1235.

In this embodiment, a second pushing plate 1242 is provided at an end of the card 124 extending out of the housing 123, so that the user can apply force to rotate the card 124 through the second pushing plate 1242.

As shown in fig. 7 to 9, a connecting mechanism 2 includes a tube 21, a first rod 22 and a second rod 23.

The tube body 21 has a tube hole 211, the tube body 21 is provided with a horizontal bar hole 212 and a vertical bar hole 213, one end of the horizontal bar hole 212 is communicated with the vertical bar hole 213, and both the horizontal bar hole 212 and the vertical bar hole 213 are communicated with the tube hole 211.

The first rod 22 is disposed in the tube hole 211, one end of the second rod 23 passes through the vertical bar hole 213 and extends into the tube hole 211 to be connected with one end of the first rod 22, the other end of the second rod 23 is exposed out of the tube body 21, the other end of the first rod 22 is provided with a connector 24, and the connector 24 is used for being connected with the splicing mechanism.

The exposed end of the second rod 23 is used for being grasped and pushed by a user. The splicing mechanism splices more than two LED display screens together.

In this embodiment, the diameter of the first rod 22 is slightly smaller than the diameter of the tube hole 211.

In this embodiment, the first rod 22 includes a first section of rod and a second section of rod, the diameter of the first section of rod is smaller than the diameter of the second section of rod, the second section of rod is disposed at one end of the first section of rod, and the connector 24 is disposed at the other end of the first section of rod.

When the second rod 23 moves in the vertical bar hole 213, the second rod 23 pushes the first rod 22 to move in the tube hole 211, so that the connector 24 extends out of or retracts into the tube hole 211 at one end of the tube body 21, and when the second rod 23 moves from the vertical bar hole 213 to the horizontal bar hole 212, the second rod 23 pushes the first rod 22 to rotate in the tube hole 211, so that the connector 24 extending out of the tube hole 211 rotates, and the connector 24 is clamped with the splicing mechanism.

In this embodiment, the vertical bar hole 213 has two end points, which are a starting point and an end point, respectively, where the vertical bar hole 213 communicates with the horizontal bar hole 212, and the horizontal bar hole 212 has two end points, one end point is the end point of the vertical bar hole 213, and the other end point is a locking point. The second rod 23 is pushed from the starting point to the end point of the vertical bar hole 213, the first rod 22 moves in the tube hole 211, so that the connector 24 extends out of the tube hole 211 and extends into the splicing mechanism, and then the second rod 23 is pushed from the end point of the vertical bar hole 213 to the locking point of the horizontal bar hole 212, so that the first rod 22 rotates in the tube hole 211, the connector 24 rotates, and the connector 24 and the splicing mechanism are clamped.

The other end of the pipe body 21 is provided with a circular pipe clamp 25, and the circular pipe clamp 25 is used for being connected with the connecting support.

For this reason, move in vertical bar hole 213 through promoting the second body of rod 23, make first body of rod 22 move in tube hole 211, make connector 24 stretch into the splicing mechanism, promote the second body of rod 23 again and move in horizontal bar hole 212, make connector 24 rotate, and then make connector 24 and splicing mechanism chucking, pipe clamp 25 and linking bridge connection, thereby the realization is installing the concatenation screen on the linking bridge, it adopts the fix with screw to solve the concatenation screen and support is fixed, the dismouting needs the instrument, the problem of dismouting inefficiency.

In this embodiment, the pipe body 21 includes a first section pipe body 214 and a second section pipe body 215, the first section pipe body 214 has a head end and an end, the end of the first section pipe body 214 is provided with an internal thread, the second section pipe body 215 has a head end and an end, the end of the second section pipe body 215 is provided with an external thread, the end of the first section pipe body 214 is connected with the head end of the second section pipe body 215 through the internal thread and the external thread. And the sectional connection is adopted, so that the overlong of one section of pipe body is avoided, and the processing difficulty is reduced.

In this embodiment, the outer wall of the second tube 215 is provided with first anti-slip stripes 2151. The first anti-slip stripe 2151 is convenient for a user to manually disassemble and assemble.

In this embodiment, the tube body 21 further includes a hollow polygonal body 216, an inner sidewall of the polygonal body 216 is connected to an outer wall of the end of the first section of the tube body 214, and an outer sidewall of the polygonal body 216 is provided with a second anti-slip stripe 2161. Second anti-slip stripe 2161 is convenient for users to manually disassemble and assemble. If the joint of the first section of pipe 214 and the second section of pipe 215 rusts, the polygonal body 216 can be disassembled and assembled by using an assembling and disassembling tool.

In this embodiment, the circular pipe clamp 25 includes a first arc-shaped body 251, a second arc-shaped body 252, a rotating rod 253 and a locking nut 254, the first arc-shaped body 251 is disposed at the end of the second pipe section 215, the first arc-shaped body 251 has a head end and a tail end, the second arc-shaped body 252 has a head end and a tail end, the tail end of the second arc-shaped body 252 is rotatably disposed at the tail end of the first arc-shaped body 251, one end of the rotating rod 253 is rotatably disposed at the head end of the first arc-shaped body 251, the head end of the second arc-shaped body 252 is provided with a first projection 2521 and a second projection 2522, a first opening slot 2523 is formed between the first projection 2521 and the second projection 2522, the locking nut 254 is in threaded connection with the other end of the rotating rod 253, when the second arc-shaped body 252 is rotated at the tail end of the first arc-shaped body 251 to enable the second arc-shaped body 252 to form a circular mounting hole with the first arc-shaped body, the second arc-shaped body 252 is clamped to the first arc-shaped body 251 by means of a locking nut 254 which is moved on a rotary rod 253.

In this embodiment, the connection mechanism 2 further includes a first connection member 26, a second connection member 27 and a first rotation shaft 28, the first connection member 26 includes a first bottom plate 261, a first plate 262 and a second plate 263, the first plate 262 and the second plate 263 are alternately disposed on the first bottom plate 261, a second open slot 264 is formed between the first plate 262 and the second plate 263, the first plate 262 is provided with a fourth connection hole 2621, the second plate 263 is provided with a fifth connection hole 2631 corresponding to the fourth connection hole 2621, the first bottom plate 261 is disposed at the end of the second segment pipe body 215, the second connection member 27 includes a second bottom plate 271 and a third plate 272, the third plate 272 is disposed on the second bottom plate 271, the second bottom plate 271 is disposed on the outer side wall of the first arc-shaped body 251, the third plate 272 is provided with a first rotation hole 2721, the third plate 272 is disposed in the second open slot 264, the first rotation shaft 28 passes through the first rotation hole 2721, one end of the first rotation shaft 28 is disposed in the fourth connection hole 2621, the other end of the first rotating shaft 28 is disposed in the fifth connecting hole 2631.

The third plate 272 is rotated in the second opening groove 264 about the first rotating shaft 28 to rotate the circular pipe clamp 25 relative to the pipe body 21, thereby enabling the connecting mechanism 2 to adapt to connections between different distances.

Specifically, the first bottom plate 261 has a first side wall and a second side wall opposite to each other, the end of the second pipe 215 is disposed on the first side wall of the first bottom plate 261, and the first plate 262 and the second plate 263 are disposed on the second side wall of the first bottom plate 261. The second bottom plate 271 has a first side wall and a second side wall opposite to each other, the third plate 272 is disposed on the first side wall of the second bottom plate 271, and the outer side wall of the first arc-shaped body 251 is disposed on the second side wall of the second bottom plate 271.

In the present embodiment, the axial line of the circular mounting hole and the first rotating shaft 28 are balanced with each other.

In this embodiment, the connecting mechanism 2 further includes a first connecting rod 29, a first recess 2511 is disposed on an outer side wall of the first arc-shaped body 251, a third protrusion 2711 matched with the first recess 2511 is disposed on the second bottom plate 271, a first through hole 25111 is disposed on a bottom wall of the first recess 2511, a third connecting hole 27111 is disposed on the third protrusion 2711, the third protrusion 2711 is clamped into the first recess 2511, and the first connecting rod 29 is respectively connected with the first through hole 25111 and the third connecting hole 27111. The third protrusion 2711 is snapped into the first groove 2511, and is positioned such that the third connection hole 27111 is aligned with the first through hole 25111, and the first connection rod 29 is connected with the first through hole 25111 and the third connection hole 27111.

In this embodiment, the circular tube clamp 25 further includes an elastic washer 255, and the elastic washer 255 is sleeved on the rotating rod 253 and located between the locking nut 254 and the first protrusion 2521.

In this embodiment, the outer side wall of the polygonal body 216 is provided with an unlocking mark 2162 and a locking mark 2163, the position of the unlocking mark 2162 corresponds to the vertical bar hole 213, and the position of the locking mark 2163 corresponds to the horizontal bar. Through the unlocking mark 2162 and the locking mark 2163, the user can quickly know the connection state of the connector 24 and the splicing mechanism.

In this embodiment, the connector 24 includes a third rod 241, a fifth latch 242 and a sixth latch 243, the third rod 241 is disposed on the first rod 22, and the fifth latch 242 and the sixth latch 243 are disposed on a circumferential surface of the third rod 241. After the fifth and

sixth latches

242 and 243 are inserted into the splicing mechanism, the rotation of the third lever 241 changes the positions of the fifth and

sixth latches

242 and 243 in the splicing mechanism, and the fifth and

sixth latches

242 and 243 are caught by the splicing mechanism by displacement.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A splicing device is characterized by comprising a splicing mechanism and a connecting mechanism, wherein the splicing mechanism comprises a connecting plate and four locking mechanisms, the connecting plate is provided with four through holes and four first circular columns, each first circular column is positioned above one through hole, annular holes of the first circular columns are communicated with the through holes, each locking mechanism is used for locking an LED display screen, the locking mechanism comprises a second circular column, a shell and a clamping plate, an inner annular wall of the first circular column is provided with an inner thread, an outer annular wall of the second circular column is provided with an outer thread, the outer annular wall of the second circular column is in threaded connection with the inner thread through the outer thread, the second circular column is connected with the first circular column, the second circular column is provided with a first end and a second end, and the first end penetrates through the annular hole of the first circular column and extends into the through hole, the inner ring wall of the first end is provided with a first clamping block and a second clamping block which are oppositely arranged, the first clamping block and the second clamping block are used for clamping a lock head of the LED display screen, the second end is exposed out of a ring hole of the first ring column, the outer ring wall of the second end is provided with a third ring column which is concentric with the second ring column, the shell is connected with the third ring column and covers the first ring column, the outer ring wall of the first ring column is provided with first gear teeth, the inner wall of the shell is provided with a rotating shaft, the clamping plate is rotatably arranged on the rotating shaft, one end of the clamping plate is provided with a convex block for clamping the first gear teeth, the convex block abuts against the first gear teeth, and the other end of the clamping plate extends out of the shell;

2. The splicing apparatus of claim 1, wherein the locking mechanism further comprises a bolt, a first connecting hole is formed on a top end surface of the third circular column, a second connecting hole corresponding to the first connecting hole is formed on the housing, and the bolt is respectively connected to the first connecting hole and the second connecting hole to connect the housing to the third circular column.

3. Splicing device according to claim 1 or 2, wherein the outer annular wall of the third annular column is provided with a notch, and the inner side wall of the housing is provided with a positioning block adapted to the notch.

4. The splicing apparatus of claim 1, wherein the locking mechanism further comprises a tension spring, one end of the tension spring is connected to the clamping plate, the other end of the tension spring is connected to the inner side wall of the housing, and the elastic tension of the tension spring causes the protrusion to clamp the first gear tooth.

5. The splicing apparatus of claim 1, wherein the locking mechanism further comprises a stop plate disposed below the clamping plate and on the rotating shaft.

6. The splicing device of claim 1, wherein the four through holes are circular through holes, and the connecting lines of the centers of the four through holes form a rectangle.

7. Splicing device according to claim 6, wherein the connecting plate is provided with a support, which is provided in the centre of the rectangle.

8. The splicing device of claim 7, wherein the supporting portion comprises a supporting hole, a third latch and a fourth latch, the third latch and the fourth latch are disposed on a hole wall of the supporting hole, and the third latch and the fourth latch are disposed opposite to each other.

9. The splicing device of claim 8, wherein the third latch has a first inner side wall and the fourth latch has a second inner side wall, the first inner side wall having a first upper portion and a first lower portion, the second inner side wall having a second upper portion and a second lower portion, the first upper portion having a first stop and the second lower portion having a second stop.