Splicing adjusting mechanism and splicing display screen

Abstract

The utility model discloses a splicing adjusting mechanism and a splicing display screen, which comprises a connecting block group, a fixing block and a locking piece used for unlocking or locking the movement of the connecting block group, the connecting block group comprises two sub-connecting blocks, the two sub-connecting blocks are arranged on the fixing block, and the locking piece is arranged on the fixing block. The first ends of the sub-connecting blocks are the ends away from the fixing block, the first ends of the two sub-connecting blocks are provided with connecting pieces used for splicing adjacent display screens respectively, and the two sub-connecting blocks are connected with the locking piece. And the two connecting pieces can move towards each other or back to back through unlocking of the locking pieces so as to adjust the assembly angle between the adjacent display screens. According to the splicing adjusting mechanism, the installation radian of the display screen can be flexibly adjusted, and the display screen can be rapidly installed.

Description

TECHNICAL FIELD

[0001] The utility model relates to display field especially, and it relates to a kind of splicing adjustment mechanism and splicing display screen. BACKGROUND

[0002] LED display screen has high brightness light emitting, color bright, luminous efficiency is high, contrast is high, response time is short, working temperature range is wide, energy consumption is low etc., is widely used in stage display equipment, advertising display equipment, data visual display equipment and commercial display equipment.

[0003] With the increasing demand of various industries, the market scale of LED splicing display large screen is expanding, and due to the restriction of various application scenarios and on-site building environment, the screen display surface presents different irregular curved surfaces. The general solution on the market is to use fixed-angle connectors or complex arc locks to connect single products, so that the entire screen forms an approximate arc display surface composed of multiple straight screens. This method cannot adjust the angle, has poor flexibility, and cannot meet the requirements of multiple arc splicing. UTILITY MODEL CONTENT

[0004] In view of the above-mentioned deficiencies of the related art, the purpose of the utility model is to provide a splicing adjustment mechanism and splicing display screen, which can flexibly adjust the installation radius of the display screen and quickly install the display screen.

[0005] The utility model provides a kind of splicing adjustment mechanism, including connecting block group, fixed block and be used for unlocking or locking the lock piece of the connecting block group movement, the connecting block group includes two sub connecting blocks, two the sub connecting block is installed on the fixed block, the first end of the sub connecting block is the end away from the fixed block, the first end of two the sub connecting block is respectively provided with the connecting piece for splicing adjacent display screen, two the sub connecting block is connected with the lock piece, and by the unlocking of the lock piece, two the connecting piece can move towards or away to adjust the assembly angle between adjacent the display screen.

[0006] Optionally, the lock piece includes a plurality of sub-lock pieces corresponding to the sub-connecting blocks.

[0007] Optionally, the sub-locking member comprises a pull rod, a ratchet pawl, a spring and a pull rod control member; the second end of the sub-connecting block is an end close to the fixed block, and a tooth surface is arranged on the side surface of the second end of the sub-connecting block; the fixed block is provided with a first channel for accommodating the second end of the sub-connecting block and a second channel for accommodating the ratchet pawl, the first channel and the second channel are communicated, the second end of the sub-connecting block is inserted into the first channel, and the tooth surface faces the second channel, the ratchet pawl is accommodated in the second channel, and one end of the ratchet pawl provided with a tooth portion abuts against the tooth surface, and the end of the ratchet pawl away from the tooth portion abuts against the inner wall of the second channel through the spring, the second end of the sub-connecting block is radially provided with a first through hole, the first end of the pull rod is provided with a blocking portion, the end of the pull rod away from the blocking portion is the second end of the pull rod, the second end of the pull rod sequentially passes through the first through hole and the fixed block and is connected with the pull rod control member, and the blocking portion is limited outside the first through hole by the first through hole; the distance between the blocking portion and the fixed block is controlled through the pull rod control member to unlock or lock the sub-connecting block, and the assembly angle is obtained by rotating the two sub-connecting blocks in the unlocked state relative to the corresponding pull rods respectively.

[0008] Optionally, the pull rod control member comprises a handle and a limiting member, the second end of the pull rod sequentially passes through the first through hole, the fixed block and the limiting member and is connected with the handle, the handle is provided with a matching portion for cooperating with the limiting member to lock or unlock the pull rod, and the cooperation state of the matching portion and the limiting member is adjusted through the handle to control the extension and contraction of the pull rod to lock or unlock the sub-connecting block.

[0009] Optionally, one end of the handle is provided with a cam structure, the matching portion is an arc convex on the cam structure, one side of the limiting member opposite to the handle is provided with a limiting portion for cooperating with the matching portion, the limiting portion is a concave arc groove, the second end of the pull rod is hinged with the cam structure through the bottom of the concave arc groove, and the cooperation state of the arc convex and the concave arc groove is adjusted by rotating the cam structure to control the extension and contraction of the pull rod to lock or unlock the sub-connecting block.

[0010] Optionally, one end of the handle is provided with a cam structure, the matching portion is a concave arc groove recessed inward on the cam structure, one side of the limiting member opposite to the handle is provided with a limiting portion for cooperating with the matching portion, the limiting portion is an arc convex, the second end of the pull rod is hinged with the cam structure through the arc convex, and the cooperation state of the concave arc groove and the arc convex is adjusted by rotating the cam structure to control the extension and contraction of the pull rod to lock or unlock the sub-connecting block.

[0011] Optionally, the cam structure is provided with two connecting pages arranged at intervals, and the second end of the pull rod is arranged between the two connecting pages and connected through a hinge.

[0012] Optionally, the fixed block is provided with the first channel and the second channel on a side away from the pull rod control member, and the sealing plate is arranged on the side away from the pull rod control member and connected with the fixed block.

[0013] Optionally, the two sub connecting blocks are symmetrically arranged on the fixed block.

[0014] The utility model also provides a spliced display screen, including the splicing adjustment mechanism and a plurality of display screen, two adjacent display screen between through the splicing adjustment mechanism is connected.

[0015] The splicing adjustment mechanism and the spliced display screen can flexibly adjust the installation curvature of the display screen and quickly install the display screen by adjusting the assembly angle between the connecting pieces on the unlocking connecting block. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides an explosion map of the splicing adjustment mechanism in one direction;

[0017] Figure 2 The utility model provides an explosion map of the splicing adjustment mechanism in another direction;

[0018] Figure 3 The utility model provides the front view of splicing adjustment mechanism;

[0019] Figure 4 The utility model provides the bottom view of splicing adjustment mechanism;

[0020] Figure 5 The utility model provides the side view of splicing adjustment mechanism;

[0021] Figure 6 The utility model provides the schematic diagram of spliced 0 degree screen;

[0022] Figure 7 The utility model provides the schematic diagram of spliced 1 degree screen.

[0023] Explanation of reference signs: 1 - fixed block; 11 - first channel; 12 - second channel; 2 - sub connecting block; 21 - connecting piece; 22 - tooth surface; 23 - first through hole; 31 - pull rod; 311 - blocking part; 32 - ratchet pawl; 321 - tooth part; 33 - spring; 34 - handle; 341 - matching part; 34a - cam structure; 35 - limiting piece; 351 - limiting part; 342 - connecting page; 4 - sealing plate; A - display screen. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the specification of the present application is only for the purpose of describing specific embodiments and is not intended to limit the present application.

[0026] In the description of the present application, the terms "first", "second", etc. are used to distinguish different objects, and are not used to describe a specific order. In addition, the terms "up", "down", "in", "out", etc. indicate the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0027] It should be noted that the drawings provided in the embodiments of the present application only illustrate the basic concept of the present application in a schematic manner, and only show the components related to the present application, not the number, shape and size of the components during actual implementation. The type, number and proportion of each component during actual implementation can be changed at will, and the layout form of the components can also be more complex.

[0028] The specific embodiments of the present application will be further described below with reference to the accompanying drawings.

[0029] Participation Figures 1 to 5The utility model discloses a kind of splicing adjustment mechanisms, including connecting block group, fixed block 1 and be used for unlocking or locking the lock piece of the connecting block group movement, the connecting block group includes two sub connecting blocks 2, two the sub connecting block 2 is installed on the fixed block 1, the first end of the sub connecting block 2 is the end away from the fixed block 1, two the first end of the sub connecting block 2 is respectively provided with the connecting piece 21 for splicing adjacent display screen A, two the sub connecting block 2 with the lock piece is connected, and by the unlocking of the lock piece, two the connecting piece 21 can be moved towards or away to adjust the assembly angle between adjacent the display screen A.

[0030] The splicing adjustment mechanism of the utility model, by the unlocking of the lock piece, two the connecting piece 21 can be moved towards or away to adjust the assembly angle between adjacent the display screen A to reach preset angle, then lock connecting block 2 by lock piece, so it can flexibly adjust the installation radian between display screen A, quickly install display screen A.

[0031] In the embodiment, the lock piece includes a plurality of sub-lock pieces corresponding to the sub connecting blocks 2.

[0032] In the embodiment, the sub-locking part comprises a pull rod 31, a ratchet pawl 32, a spring 33 and a pull rod control part; the second end of the sub-connecting block 2 is the end close to the fixed block 1, the side surface of the second end of the sub-connecting block 2 is provided with a tooth surface 22; the fixed block 1 is provided with a first channel 11 for accommodating the second end of the sub-connecting block 2 and a second channel 12 for accommodating the ratchet pawl 32, the first channel 11 communicates with the second channel 12; the second end of the sub-connecting block 2 is inserted into the first channel 11 and the tooth surface 22 faces the second channel 12, the ratchet pawl 32 is accommodated in the second channel 12 and the end of the ratchet pawl 32 provided with a tooth part 321 abuts against the tooth surface 22, the end of the ratchet pawl 32 away from the tooth part 321 abuts against the inner wall of the second channel 12 through the spring 33; the second end of the sub-connecting block 2 is radially provided with a first through hole 23, the first end of the pull rod 31 is provided with a blocking part 311, the end of the pull rod 31 away from the blocking part 311 is the second end of the pull rod 31, the second end of the pull rod 31 is sequentially connected with the pull rod control part through the first through hole 23 and the fixed block 1, and the blocking part 311 is limited outside the first through hole 23 by the first through hole 23; the distance between the blocking part 311 and the fixed block 1 is controlled through the pull rod control part to unlock or lock the sub-connecting block 2, and the assembly angle is obtained by rotating two sub-connecting blocks 2 in the unlocked state relative to each other in the same direction or in the opposite direction. When the sub-connecting block 2 is in the locked state, the spring 33 is in the compressed state, and the tooth part 321 of the ratchet pawl 32 abuts against the tooth surface 22 of the sub-connecting block 2. When the sub-connecting block 2 is in the unlocked state, the distance between the blocking part 311 and the fixed block 1 is large, the sub-connecting block 2 is released from clamping, and the assembly angle can be adjusted in the same direction or in the opposite direction, and in the adjustment process, the spring 33 will stretch and contract to different degrees with the movement of the two sub-connecting blocks 2, which improves the flexibility of the sub-connecting block 2 adjustment, and when the assembly angle required is adjusted, the distance between the blocking part 311 and the fixed block 1 is reduced through the pull rod control part operation until the sub-connecting block 2 is locked.

[0033] In the embodiment, the pull rod control member comprises a handle 34 and a limiting member 35, the second end of the pull rod 31 is connected with the handle 34 in sequence through the first through hole 23, the fixed block 1 and the limiting member 35, the handle 34 is provided with a matching part 341 for cooperating with the limiting member 35 to lock or unlock the pull rod 31, the cooperation state of the matching part 341 and the limiting member 35 is adjusted by the handle 34 to control the extension and contraction of the pull rod 31, so as to lock or unlock the sub connecting block 2. In the embodiment, when the matching part 341 cooperates with the limiting member 35, the distance between the blocking part 311 and the fixed block 1 is shortened to lock the pull rod 31; when the matching part 341 does not cooperate with the limiting member 35, the distance between the blocking part 311 and the fixed block 1 is increased to unlock the pull rod 31. In another embodiment, when the matching part 341 cooperates with the limiting member 35, the distance between the blocking part 311 and the fixed block 1 is increased to unlock the pull rod 31; when the matching part 341 does not cooperate with the limiting member 35, the distance between the blocking part 311 and the fixed block 1 is shortened to lock the pull rod 31.

[0034] In the embodiment, one end of the handle 34 is provided with a cam structure 34a, the matching part 341 is an arc convex on the cam structure 34a, one side of the limiting member 35 is provided with a limiting part 351 for cooperating with the matching part 341, the limiting part 351 is a concave arc groove, the second end of the pull rod 31 is hinged with the cam structure 34a through the bottom of the concave arc groove, the cooperation state of the arc convex and the concave arc groove is adjusted by rotating the cam structure 34a to control the extension and contraction of the pull rod 31, so as to lock or unlock the sub connecting block 2. At this time, when the arc convex cooperates with the concave arc groove, the distance between the blocking part 311 and the fixed block 1 is shortened to lock the pull rod 31; when the arc convex does not cooperate with the concave arc groove, the distance between the blocking part 311 and the fixed block 1 is increased to unlock the pull rod 31.

[0035] In the embodiment, one end of the handle 34 is provided with a cam structure 34a, the matching part 341 is a concave arc groove recessed inward on the cam structure 34a, one side of the limiting member 35 is provided with a limiting part 351 for cooperating with the matching part 341, the limiting part 351 is an arc convex, the second end of the pull rod 31 is hinged with the cam structure 34a through the arc convex, the cooperation state of the concave arc groove and the arc convex is adjusted by rotating the cam structure 34a to control the extension and contraction of the pull rod 31, so as to lock or unlock the sub connecting block 2. At this time, when the concave arc groove does not cooperate with the arc convex, the distance between the blocking part 311 and the fixed block 1 is shortened to lock the pull rod 31; when the arc convex cooperates with the concave arc groove, the distance between the blocking part 311 and the fixed block 1 is increased to unlock the pull rod 31.

[0036] In the embodiment, the cam structure 34a is provided with two connecting pages 342 arranged at intervals, and the second end of the pull rod 31 is arranged between the two connecting pages 342 and connected through a hinge.

[0037] In the embodiment, the fixed block 1 is provided with the first channel 11 and the second channel 12 on the side away from the pull rod control member, and the sealing plate 4 is arranged on the side away from the pull rod control member and connected with the fixed block 1.

[0038] In the embodiment, the two sub-connecting blocks 2 are symmetrically arranged on the fixed block 1.

[0039] Participate Figure 6 And Figure 7 As shown in the drawings, the utility model discloses a spliced display screen, including the splicing adjusting mechanism and a plurality of display screen A described above, two adjacent display screen A between through splicing adjusting mechanism connects. Figure 6 It is 0 degree screen for splicing, and the assembly angle between the connecting piece 21 on the fixed block 1 is 180 degrees at this time. Figure 7 It is 1 degree screen for splicing, and the assembly angle between the connecting piece 21 on the fixed block 1 is 179 degrees at this time.

[0040] In the embodiment, the display screen A is an LCD display screen, an OLED display screen, a QLED display screen, a MiniLED display screen, a MicroLED display screen, a nanometer level LED display screen or other size LED display screen, which is not limited here and can be selected according to actual conditions.

[0041] The splicing adjusting mechanism and the spliced display screen of the utility model can flexibly adjust the installation curvature of the display screen by unlocking the connecting block to adjust the assembly angle between the connecting pieces thereon, and quickly install the display screen.

[0042] It should be understood that the application of the utility model is not limited to the above examples, and those skilled in the art can improve or transform it according to the above description, and all these improvements and transformations should belong to the protection scope of the claims attached to the utility model.

Claims

1. A splicing and adjusting mechanism, characterized in that, The device includes a connecting block assembly, a fixing block, and a locking mechanism for unlocking or locking the movement of the connecting block assembly. The connecting block assembly includes two sub-connecting blocks, which are mounted on the fixing block. The first end of each sub-connecting block is the end furthest from the fixing block. The first ends of the two sub-connecting blocks are respectively provided with connectors for splicing adjacent displays. The two sub-connecting blocks are connected to the locking mechanism, and the two connectors can be moved towards or away from each other by unlocking the locking mechanism to adjust the assembly angle between adjacent displays.

2. The splicing adjustment mechanism as described in claim 1, characterized in that, The locking mechanism includes multiple sub-locking components that are configured one-to-one with the sub-connecting blocks.

3. The splicing adjustment mechanism as described in claim 2, characterized in that, The sub-locking component includes a pull rod, a ratchet pawl, a spring, and a pull rod control component; the second end of the sub-connecting block is the end near the fixed block, and a toothed surface is provided on the side surface of the second end of the sub-connecting block; the fixed block is provided with a first channel for accommodating the second end of the sub-connecting block and a second channel for accommodating the ratchet pawl, the first channel and the second channel being in communication; the second end of the sub-connecting block is inserted into the first channel with the toothed surface facing the second channel, the ratchet pawl is accommodated in the second channel with one end having teeth abutting against the toothed surface, and the end of the ratchet pawl away from the teeth abutting against the spring. The inner wall of the second channel is described; a first through hole is radially provided at the second end of the sub-connecting block; a blocking part is provided at the first end of the pull rod; the end of the pull rod away from the blocking part is the second end of the pull rod; the second end of the pull rod passes through the first through hole and the fixing block in sequence and is connected to the pull rod control component; the blocking part is restricted outside the first through hole by the first through hole; the distance between the blocking part and the fixing block is controlled by the pull rod control component to unlock or lock the sub-connecting block; the assembly angle is obtained by rotating the two sub-connecting blocks relative to their respective pull rods in the unlocked state, either towards or away from each other.

4. The splicing adjustment mechanism as described in claim 3, characterized in that, The pull rod control component includes a handle and a limiting member. The second end of the pull rod passes through the first through hole, the fixing block, and the limiting member in sequence and is connected to the handle. The handle is provided with a mating part for cooperating with the limiting member to lock or unlock the pull rod. The extension and retraction of the pull rod is controlled by adjusting the mating state between the mating part and the limiting member through the handle, so as to lock or unlock the sub-connecting block.

5. The splicing adjustment mechanism as described in claim 4, characterized in that, One end of the handle is provided with a cam structure, and the mating part is an arc-shaped protrusion on the cam structure. The limiting member is provided with a limiting part on the side opposite to the handle for mating with the mating part. The limiting part is a concave arc groove. The second end of the pull rod passes through the bottom of the concave arc groove and is hinged to the cam structure. The extension and retraction of the pull rod is controlled by rotating the cam structure to adjust the mating state between the arc-shaped protrusion and the concave arc groove, so as to lock or unlock the sub-connecting block.

6. The splicing adjustment mechanism as described in claim 4, characterized in that, One end of the handle is provided with a cam structure, and the mating part is an inwardly recessed arc groove on the cam structure. The side of the limiting member opposite to the handle is provided as a limiting part for cooperating with the mating part. The limiting part is an arc-shaped protrusion. The second end of the pull rod passes through the arc-shaped protrusion and is hinged to the cam structure. The extension and retraction of the pull rod can be controlled by rotating the cam structure to adjust the mating state between the arc groove and the arc-shaped protrusion, so as to lock or unlock the sub-connecting block.

7. The splicing adjustment mechanism as described in claim 5 or 6, characterized in that, The cam structure is provided with two connecting pages spaced apart, and the second end of the pull rod is located between the two connecting pages and connected by a hinge.

8. The splicing adjustment mechanism as described in claim 3, 4, 5, or 6, characterized in that, It also includes a sealing plate, wherein the fixing block has a first channel and a second channel on the side away from the pull rod control member, and the sealing plate is disposed on the side away from the pull rod control member and connected to the fixing block.

9. The splicing adjustment mechanism as described in claim 3, 4, 5, or 6, characterized in that, The two sub-connecting blocks are symmetrically arranged on the fixed block.

10. A splicing display screen, characterized in that, It includes a splicing adjustment mechanism as described in any one of claims 1 to 9 and a plurality of display screens, wherein two adjacent display screens are connected by the splicing adjustment mechanism.

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