CN219413134U - Angle adjusting lock and LED display device with same - Google Patents

Abstract

The utility model provides an angle adjusting lock and an LED display device with the same, wherein the angle adjusting lock comprises: the first connecting assembly comprises a first connecting seat and a plurality of first limiting structures, the first connecting seat is provided with an arc-shaped surface, the plurality of first limiting structures are arranged on the arc-shaped surface at intervals along the extending direction of the arc-shaped surface, and a first fixing surface is arranged on the front side of the first connecting seat; the second coupling assembling, including second connecting seat and arc rotary rod, the front side of second connecting seat is provided with the second fixed surface, and the camber of arc rotary rod is the same with the camber of arcwall face, and the first end and the second connecting seat hinge cooperation of arc rotary rod, the second end of arc rotary rod are provided with second limit structure, and the arc rotary rod can be in hookup location and storage position, and second limit structure and the spacing cooperation of different first limit structure to adjust the angle between first fixed surface and the second fixed surface. Through the scheme of this application, can solve the complicated problem of operation of angle modulation lock.

Description

Angle adjusting lock and LED display device with same

Technical Field

The utility model relates to the technical field of electronic equipment, in particular to an angle adjusting lock and an LED display device with the same.

Background

Along with the continuous development of LED technology, the application of the LED display device is more and more extensive, especially the LED display device with a certain radian has a wider visual angle, and the design is also more aesthetic, and the wide application in the stage performance field greatly enriches the sensory experience of viewers.

In the related art, an LED display device is composed of a plurality of connected LED display units, two adjacent LED display units are connected by means of an angle adjusting lock, the angle adjusting lock comprises lock cylinders and connecting rods respectively arranged on the two adjacent LED display units, and the angles between the two adjacent LED display units are controlled by adjusting the positions of the lock cylinders and connecting the connecting rods with the lock cylinders.

However, with the angle adjusting lock, during operation, the connecting rod is connected with the lock core after the position of the lock core is adjusted, and the limiting piece of the lock core and the limiting piece of the connecting rod are operated to limit the angles of the two adjacent LED display units respectively relative to the lock core and the connecting rod, so that the angle adjustment of the two adjacent LED display units can be completed, and the problem of complex operation exists.

Disclosure of Invention

The utility model provides an angle adjusting lock and an LED display device with the same, which are used for solving the problem of complex operation of the angle adjusting lock in the related technology.

According to one aspect of the present utility model, there is provided an angle adjustment lock, comprising: the first connecting assembly comprises a first connecting seat and a plurality of first limiting structures, the first connecting seat is provided with an arc-shaped surface, the plurality of first limiting structures are arranged on the arc-shaped surface at intervals along the extending direction of the arc-shaped surface, and a first fixing surface is arranged on the front side of the first connecting seat; the second coupling assembling, including second connecting seat and arc rotary rod, the front side of second connecting seat is provided with the second fixed surface, the camber of arc rotary rod is the same with the camber of arcwall face, the first end and the articulated cooperation of second connecting seat of arc rotary rod, the second end of arc rotary rod is provided with second limit structure, wherein, the arc rotary rod uses its first end to overturn as the fulcrum, so that the arc rotary rod can be in its intrados and be close to the hookup location of arcwall face, and its intrados is close to the storage location of second connecting seat, when the arc rotary rod is in hookup location, second limit structure can selectively with the spacing cooperation of different first limit structure, in order to adjust the angle between first fixed surface and the second fixed surface.

Further, the arc rotary rod includes spherical portion and the arc body of rod portion that is connected, and the second connecting seat has spherical groove and the arc that is linked together and accomodates the groove, and spherical groove is located the arc and accomodates one side of groove towards first connecting seat, and spherical portion movably sets up in spherical groove, and the curvature of arc body of rod portion is the same with the curvature of groove is accomodate to the arc, and when the arc rotary rod was in the storage position, arc body of rod portion was at least partly located the arc and accomodates the inslot.

Further, the second connecting seat comprises a containing seat and two pressing plates arranged at intervals, the two pressing plates are all covered on the containing seat, the containing seat and the two pressing plates enclose a ball-shaped groove together, the arc-shaped containing groove is arranged on the containing seat, and the arc-shaped containing groove corresponds to a gap between the two pressing plates.

Further, the first connecting seat comprises an adjusting seat and an arc-shaped cover, the first fixing surface is arranged on the front side of the adjusting seat, the rear surface of the adjusting seat comprises an arc-shaped surface, the arc-shaped cover is arranged on the rear surface of the adjusting seat in a cover mode capable of being opened and closed, and the arc-shaped cover and the adjusting seat jointly enclose a containing groove for containing the arc-shaped rotating rod; the first limit structure comprises a first limit groove, the first limit groove is formed in the arc-shaped surface, the second limit structure comprises a limit rod, when the arc-shaped rotary rod is located at the connecting position, the limit rod is in limit fit with the first limit groove, and the arc-shaped rotary rod is compressed through the arc-shaped cover.

Further, the first limit structure further comprises a second limit groove, the second limit groove is formed in the front surface of the arc-shaped cover, when the arc-shaped cover is covered on the adjusting seat, the second limit groove corresponds to the first limit groove, and the limit rod is in limit fit with the second limit groove.

Further, the one end that the second connecting seat was kept away from to the arc lid and the one end that the second connecting seat was kept away from to the regulation seat are articulated to be connected, and first connecting seat still includes locking spanner, and locking spanner articulates the one end that sets up being close to the second connecting seat at the arc lid, locking spanner has the locked position of being connected with the regulation seat and with the open position of regulation seat separation.

Further, the first connecting seat further comprises a hinge shaft and a torsion spring, a first hinge hole is formed in the side wall of the arc-shaped cover, a second hinge hole penetrating through the first hinge hole and the second hinge hole is formed in the side wall of the locking spanner, the hinge shaft is inserted into the first hinge hole and the second hinge hole, the torsion spring is sleeved on the hinge shaft, and two ends of the torsion spring are connected with the locking spanner and the arc-shaped cover respectively, so that the locking spanner is kept at a locking position.

Further, the front end of the locking spanner is provided with a clamping hook, the side wall of the adjusting seat is provided with a clamping boss, when the locking spanner is positioned at the locking position, the clamping hook is clamped on the clamping boss, and when the locking spanner is positioned at the opening position, the clamping hook is separated from the clamping boss.

Further, the first connecting seat further comprises a filling sheet arranged in the accommodating groove, and the filling sheet is arranged between the side wall of the arc-shaped rotating rod and the inner wall of the accommodating groove.

According to another aspect of the present utility model, there is provided an LED display device including: at least two display units; the angle adjusting lock, the first fixed surface of the first coupling assembling of angle adjusting lock sets up on one of two adjacent display element, and the second fixed surface of the second coupling assembling of angle adjusting lock sets up on another of two adjacent display element, and angle adjusting lock is the angle adjusting lock of above-mentioned providing.

By applying the technical scheme of the utility model, the angle adjusting lock comprises a first connecting component and a second connecting component, the first connecting component and the second connecting component are respectively arranged on two adjacent LED display units through a first fixing surface and a second fixing surface, when the angle between the two LED display units needs to be adjusted, the arc-shaped rotating rod is operated to turn over relative to the second connecting seat by taking the first end of the arc-shaped rotating rod as a fulcrum, the arc-shaped rotating rod is switched to a connecting position from a storage position, at the moment, the inner cambered surface of the arc-shaped rotating rod is close to the arc-shaped surface, namely, the arc-shaped rotating rod and the arc-shaped surface are bent towards the same direction, and then the second limiting structure at the second end of the arc-shaped rotating rod is positioned at a proper position to be in limiting fit with one or a plurality of first limiting structures, so that the angle between the first fixing surface and the second fixing surface reaches a preset angle, and the angle between two adjacent LED display units can reach the preset angle. Compared with the mode of adopting an angle adjusting lock in the related art to adjust the angle between two adjacent LED display units, the LED display device has the advantage of being simple and convenient to operate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 illustrates an exploded view of a first connection assembly of an angle adjustment lock provided in accordance with an embodiment of the present utility model;

FIG. 2 illustrates an exploded view of a second connection assembly of the angle adjustment lock provided in accordance with an embodiment of the present utility model;

FIG. 3 illustrates an assembly view of a first coupling assembly of an angle adjustment lock provided in accordance with an embodiment of the present utility model;

FIG. 4 illustrates an assembly view of a second connection assembly of the angle adjustment lock provided in accordance with an embodiment of the present utility model;

FIG. 5 shows an assembly view of an angle adjustment lock provided according to an embodiment of the present utility model with an angle of 200 between a first and a second fixing surface;

FIG. 6 illustrates an assembly view of an angle adjustment lock provided in accordance with an embodiment of the present utility model with an angle of 180 between a first and second fixing surface;

FIG. 7 is an assembly view of an angle adjustment lock according to an embodiment of the present utility model having a 160 included angle between a first and second fixing surface;

FIG. 8 shows a cross-sectional view of an angle adjustment lock provided in accordance with an embodiment of the present utility model with an angle of 180 between a first and second fixing surface;

fig. 9 shows an exploded view of a display unit and a second connection assembly of an LED display device provided according to an embodiment of the present utility model;

fig. 10 illustrates an exploded view of a display unit and a first connection assembly of an LED display device provided according to an embodiment of the present utility model;

fig. 11 shows an assembly view of an LED display device according to an embodiment of the present utility model, in which an angle between two display units is 200 °;

fig. 12 shows an assembly view of an LED display device according to an embodiment of the present utility model, in which an angle between two display units is 180 °;

fig. 13 shows an assembly view of an LED display device according to an embodiment of the present utility model, in which an angle between two display units is 160 °.

Wherein the above figures include the following reference numerals:

10. a first connection assembly; 11. a first connection base; 12. a first limit structure; 121. a first limit groove; 122. the second limit groove; 112. a first fixing surface; 113. an adjusting seat; 1131. the boss is clamped; 114. an arc-shaped cover; 115. locking a spanner; 1151. a clamping hook; 116. a hinge shaft; 117. a torsion spring; 118. filling the sheet;

20. a second connection assembly; 21. a second connecting seat; 211. a second fixing surface; 212. a spherical groove; 213. an arc-shaped storage groove; 214. a receiving seat; 215. a pressing plate; 22. an arc-shaped rotating rod; 23. a second limit structure; 231. a limit rod; 222. a spherical portion; 223. an arc-shaped rod body part;

30. and a display unit.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 8, the embodiment of the present utility model provides an angle adjustment lock, which includes a first connection assembly 10 and a second connection assembly 20, wherein the first connection assembly 10 includes a first connection seat 11 and a plurality of first limiting structures 12, the first connection seat 11 has an arc surface, the plurality of first limiting structures 12 are disposed on the arc surface and are arranged at intervals along the extending direction of the arc surface, and a first fixing surface 112 is disposed on the front side of the first connection seat 11; the second connecting assembly 20 comprises a second connecting seat 21 and an arc-shaped rotating rod 22, a second fixing surface 211 is arranged on the front side of the second connecting seat 21, the curvature of the arc-shaped rotating rod 22 is identical to that of the arc-shaped surface, a first end of the arc-shaped rotating rod 22 is in hinged fit with the second connecting seat 21, a second limiting structure 23 is arranged at the second end of the arc-shaped rotating rod 22, the first end of the arc-shaped rotating rod 22 is used as a pivot to turn over, so that the arc-shaped rotating rod 22 can be located at a connecting position where the intrados of the arc-shaped rotating rod 22 are close to the arc-shaped surface, and the intrados of the arc-shaped rotating rod 22 is close to a containing position of the second connecting seat 21, and when the arc-shaped rotating rod 22 is located at the connecting position, the second limiting structure 23 can be selectively in limited fit with different first limiting structures 12 to adjust the angle between the first fixing surface 112 and the second fixing surface 211.

The first connection assembly 10 and the second connection assembly 20 of the angle adjusting lock are used for being respectively installed at the rear sides of two adjacent LED display units 30, and are specifically connected with the rear surfaces of the two LED display units 30 through a first fixing surface 112 and a second fixing surface 211. Thus, reference herein to the "front side" of certain structures of the angle adjustment lock means that the structure faces one side of the LED display unit 30 after the angle adjustment lock is mounted to the LED display unit 30; in addition, "curvature" is used to indicate the degree of curvature of a structure that is arcuate.

By applying the technical scheme of the utility model, the angle adjusting lock comprises a first connecting component 10 and a second connecting component 20, the first connecting component 10 and the second connecting component 20 are respectively installed on two adjacent LED display units 30, when the angle between the two LED display units 30 needs to be adjusted, the arc-shaped rotating rod 22 is operated to turn over relative to the second connecting seat 21 by taking the first end of the arc-shaped rotating rod 22 as a fulcrum, the arc-shaped rotating rod 22 is switched to the connecting position from the storage position, at the moment, the intrados of the arc-shaped rotating rod 22 is close to the arc-shaped surface, namely, the arc-shaped rotating rod 22 and the arc-shaped surface are bent in the same direction, the second limiting structure 23 at the second end of the arc-shaped rotating rod 22 is positioned at a proper position to be in limit fit with one or a plurality of first limiting structures 12, and then the angle between the first fixing surface 112 and the second fixing surface 211 reaches the preset angle, and the angle between the two adjacent LED display units 30 can reach the preset angle. Compared with the mode of adopting the angle adjusting lock in the related art to adjust the angle between the adjacent two LED display units 30, the angle adjusting lock has the advantage of simple and convenient operation.

The first end of the arc-shaped rotating rod 22 is hinged to the second connecting seat 21, and the axis around which the arc-shaped rotating rod 22 turns can be perpendicular to the extending direction of the arc-shaped rotating rod 22 or can be parallel to the extending direction of the arc-shaped rotating rod 22. Specifically, taking fig. 4 as an example, when the arc-shaped rotating rod 22 is switched from the storage position to the connection position, the arc-shaped rotating rod 22 turns backward around the first end thereof as a fulcrum, then the arc-shaped rotating rod 22 is operated to rotate around the fulcrum, and then the arc-shaped rotating rod 22 is operated to turn forward around the fulcrum, so that the inner arc surface of the arc-shaped rotating rod 22 is close to the arc surface, and the second limiting structure 23 is selectively in limiting fit with the first limiting structure 12. When the arc-shaped rotary rod 22 is switched to the storage position from the connection position, the arc-shaped rotary rod 22 turns backwards around the pivot, the arc-shaped rotary rod 22 is operated to rotate around the pivot, and then the arc-shaped rotary rod 22 is operated to turn forwards around the pivot, so that the intrados of the arc-shaped rotary rod 22 can be close to the second connection seat 21, and storage is facilitated.

It should be noted that the first limiting structure 12 may be disposed on the outer surface of the first connecting seat 11, or the first limiting structure 12 may be disposed in the first connecting seat 11. When the first limiting structure 12 is disposed on the outer surface of the first connecting seat 11, the first limiting structure 12 is exposed when the first limiting structure 12 and the second limiting structure 23 are in limiting fit. Preferably, the arc-shaped rotating lever 22 is freely rotatable about its first end as a fulcrum.

The first connecting seat 11 includes a first plate body and a first arc-shaped seat body, wherein the first plate body and the first arc-shaped seat body are connected, the first fixing surface 112 is disposed on the first plate body, the curvature of the first arc-shaped seat body is the same as the curvature of the arc-shaped rotating rod 22, and the first limiting structure 12 is disposed on the first arc-shaped seat body. The second connecting seat 21 comprises a second plate body and a second arc-shaped seat body which are connected, the second fixing surface 211 is arranged on the second plate body, and the arc-shaped rotary rod 22 is hinged on the second arc-shaped seat body.

As shown in fig. 2 and 4, the arc-shaped rotating rod 22 includes a spherical portion 222 and an arc-shaped rod portion 223 that are connected, the second connecting seat 21 has a spherical slot 212 and an arc-shaped receiving slot 213 that are connected, the spherical slot 212 is located at a side of the arc-shaped receiving slot 213 that faces the first connecting seat 11, the spherical portion 222 is movably disposed in the spherical slot 212, the curvature of the arc-shaped rod portion 223 is the same as that of the arc-shaped receiving slot 213, and when the arc-shaped rotating rod 22 is in the receiving position, the arc-shaped rod portion 223 is located at least partially in the arc-shaped receiving slot 213. With the arc-shaped rotating rod 22 having the above structure, the arc-shaped rotating rod 22 can be hinged to the second connecting seat 21 by the spherical portion 222 being disposed in the spherical groove 212. The arc-shaped receiving groove 213 is utilized to receive the arc-shaped rod body 223, so that the arc-shaped rod body 223 does not protrude from the second connecting seat 21.

In this embodiment, the curvature of the arc-shaped receiving groove 213 is the same as the curvature of the arc-shaped rod body 223, and the spherical groove 212 and the arc-shaped receiving groove 213 are both disposed on the second arc-shaped seat.

As shown in fig. 2, the second connecting seat 21 includes a receiving seat 214 and two pressing plates 215 disposed at intervals, the two pressing plates 215 are both covered on the receiving seat 214, the receiving seat 214 and the two pressing plates 215 together enclose a ball-shaped groove 212, an arc-shaped receiving groove 213 is disposed on the receiving seat 214, and the arc-shaped receiving groove 213 corresponds to a gap between the two pressing plates 215. With the second connecting seat 21 having the above structure, the pressing plate 215 can limit the spherical portion 222 on the accommodating seat 214, so that the spherical portion 222 can move in the spherical groove 212.

The spherical grooves 212 may be provided on the receiving seat 214 entirely, or may be provided on the receiving seat 214 partially by the spherical grooves 212 and on the two pressing plates 215 partially by the spherical grooves.

As shown in fig. 1 and 2, the first limiting structure 12 includes a first limiting groove 121, the first limiting groove 121 is formed on the arc surface, the second limiting structure 23 includes a limiting rod 231, and when the arc rotating rod 22 is at the connection position, the limiting rod 231 is in limiting fit with the first limiting groove 121, and compresses the arc rotating rod 22 through the arc cover 114. The limit mode of the first limit groove 121 and the limit rod 231 is adopted, and the limit device has the advantages of being simple in limit structure and convenient to operate.

The second end of the arc-shaped rotating rod 22 is provided with three limiting rods 231 arranged at intervals along the extending direction of the arc-shaped rotating rod, the three limiting rods 231 are respectively located in three continuous first limiting grooves 121, and the three limiting rods 231 are respectively located in the three first limiting grooves 121, so that the limiting effect of the first connecting seat 11 on the arc-shaped rotating rod 22 can be enhanced.

In this embodiment, the two opposite sides of the arc-shaped rotating rod 22 are respectively provided with a limiting rod 231, and the first limiting groove 121 extends to two opposite side walls of the first connecting seat 11, so as to enhance the limiting effect of the first connecting seat 11 on the arc-shaped rotating rod 22.

Specifically, two adjacent first limiting grooves 121 can achieve an angle adjustment of 2.5 ° between the first fixing surface 112 and the second fixing surface 211.

As shown in fig. 1, the first connecting seat 11 includes an adjusting seat 113 and an arc cover 114, the first fixing surface 112 is disposed on the front side of the adjusting seat 113, the rear surface of the adjusting seat 113 includes an arc surface, the arc cover 114 is openably and closably disposed on the rear surface of the adjusting seat 113, and the arc cover 114 and the adjusting seat 113 together enclose a receiving groove for receiving the arc rotary rod 22. The first connecting seat 11 with the above structure can limit the arc-shaped rotating rod 22 by using the arc-shaped cover 114 so as to limit the limit rod 231 of the arc-shaped rotating rod 22 in the first limit groove 121 and prevent the limit rod 231 from falling out of the first limit groove 121.

The first limiting groove 121 may be disposed on the adjusting seat 113, or the first limiting groove 121 may be disposed on the arc cover 114, or a part of the first limiting groove 121 may be disposed on the adjusting seat 113, and a part of the first limiting groove 121 may be disposed on the arc cover 114.

In this embodiment, the curvature of the accommodating groove is the same as that of the arc-shaped rotating rod 22, and the two sides of the accommodating groove are respectively provided with a first limiting groove 121, and the limiting rods 231 on two opposite sides of the arc-shaped rotating rod 22 are respectively in limiting fit with the first limiting grooves 121 on two sides of the accommodating groove.

Specifically, the first limiting structure 12 further includes a second limiting groove 122, the second limiting groove 122 is formed on the front surface of the arc cover 114, when the arc cover 114 is covered on the adjusting seat 113, the second limiting groove 122 corresponds to the first limiting groove 121, and the limiting rod 231 is in limiting fit with the second limiting groove 122. The limiting mode of the first limiting groove 121 and the second limiting groove 122 can improve the limiting effect on the limiting rod 231, so that the limiting rod 231 is more stable and is not easy to move.

As shown in fig. 1, the end of the arc cover 114 far from the second connecting seat 21 and the end of the adjusting seat 113 far from the second connecting seat 21 are hinged, the first connecting seat 11 further comprises a locking wrench 115, the locking wrench 115 is hinged at the end of the arc cover 114 near to the second connecting seat 21, and the locking wrench 115 has a locking position connected with the adjusting seat 113 and an opening position separated from the adjusting seat 113. The arc cover 114 can be locked to the adjustment base 113 by using the locking wrench 115, so that the arc cover 114 is prevented from sliding off the adjustment base 113, and the arc rotating rod 22 is prevented from being separated from the adjustment base 113.

In this embodiment, one end of the arc cover 114 is hinged to the adjusting seat 113, and the other end of the arc cover 114 is locked by using the locking wrench 115, so that when the locking wrench 115 is located at the open position, the arc cover 114 rotates relative to the adjusting seat 113, and the arc rotating rod 22 is disengaged from the accommodating groove.

As shown in fig. 1, the first connection seat 11 further includes a hinge shaft 116 and a torsion spring 117, a first hinge hole is formed on a side wall of the arc-shaped cover 114, a second hinge hole is formed on a side wall of the locking wrench 115, the hinge shaft 116 is inserted into the first hinge hole and the second hinge hole, the torsion spring 117 is sleeved on the hinge shaft 116, and two ends of the torsion spring 117 are respectively connected with the locking wrench 115 and the arc-shaped cover 114, so that the locking wrench 115 is kept at a locking position. The arc-shaped cover 114 can be automatically switched from the open position to the locking position by using the torsion spring 117, and the device has the advantages of simple structure and convenient operation.

As shown in fig. 1, a hook 1151 is disposed at the front end of the locking wrench 115, a clamping boss 1131 is disposed on a side wall of the adjusting seat 113, when the locking wrench 115 is located at the locking position, the hook 1151 is clamped on the clamping boss 1131, and when the locking wrench 115 is located at the opening position, the hook 1151 is separated from the clamping boss. The arc cover 114 can be locked on the adjusting seat 113 by using a limiting mode that the clamping hooks 1151 are clamped on the clamping boss 1131, and the adjusting seat has the advantages of simple structure and convenience in operation.

As shown in fig. 1, the first connection seat 11 further includes a filling piece 118 disposed in the receiving groove, and the filling piece 118 is disposed between the sidewall of the arc-shaped rotating rod 22 and the inner wall of the receiving groove. The gap between the arc-shaped rotary rod 22 and the accommodating groove can be filled by the filling piece 118, so that the arc-shaped rotary rod 22 can be prevented from rotating in the accommodating groove, and the limit of the first limit groove 121 to the limit rod 231 is firmer.

The filling piece 118 may be attached to the adjustment seat 113, or the filling piece 118 may be attached to the arc cover 114, so long as the gap between the arc rotating lever 22 and the accommodation groove can be filled.

As shown in fig. 9 to 13, a further embodiment of the present utility model provides an LED display device including at least two display units 30 and an angle adjustment lock, wherein a first fixing surface 112 of a first connection assembly 10 of the angle adjustment lock is disposed on one of the adjacent two display units 30, and a second fixing surface 211 of a second connection assembly 20 of the angle adjustment lock is disposed on the other of the adjacent two display units 30, and the angle adjustment lock is the angle adjustment lock provided above. By adopting the LED display device of the angle adjusting lock, the second end of the arc-shaped rotating rod 22 is operated to turn over and rotate relative to the second connecting seat 21, so that the extending direction of the arc-shaped rotating rod 22 is the same as that of the first connecting seat 11, the second limiting structure 23 at the second end of the arc-shaped rotating rod 22 is positioned at a proper position to be in limiting fit with the corresponding first limiting structure 12 of the first connecting seat 11, and the angle between the first fixing surface 112 and the second fixing surface 211 reaches a preset angle, so that the angle between two adjacent LED display units 30 reaches the preset angle. Has the advantage of simple operation.

In this embodiment, the LED display unit 30 includes a case and an LED module disposed at a front side of the case, where an installation position for installing the first connection assembly 10 or the second connection assembly 20 is disposed on a rear surface of the case, and the first connection seat 11 is attached to an installation position of one of the two adjacent LED display units 30 by using the first fixing surface 112, and connected to the LED display unit 30; the second fixing surface 211 is attached to the mounting position of the other of the two adjacent LED display units 30, and the second connecting seat 21 is connected to the LED display unit 30, so that the angle between the first fixing surface 112 and the second fixing surface 211 is the angle between the two adjacent LED display units 30.

The angle adjusting lock provided by the application can be used for adjusting the included angle between the LED modules between two adjacent LED display units 30 by 160-200 degrees.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. An angle adjustment lock, the angle adjustment lock comprising:

the first connecting assembly (10) comprises a first connecting seat (11) and a plurality of first limiting structures (12), wherein the first connecting seat (11) is provided with an arc-shaped surface, the plurality of first limiting structures (12) are arranged on the arc-shaped surface at intervals along the extending direction of the arc-shaped surface, and a first fixing surface (112) is arranged on the front side of the first connecting seat (11);

the second connecting component (20) comprises a second connecting seat (21) and an arc-shaped rotating rod (22), a second fixing surface (211) is arranged on the front side of the second connecting seat (21), the curvature of the arc-shaped rotating rod (22) is the same as that of the arc-shaped surface, a first end of the arc-shaped rotating rod (22) is in hinged fit with the second connecting seat (21), a second limiting structure (23) is arranged at the second end of the arc-shaped rotating rod (22),

wherein, arc rotary rod (22) use its first end as the fulcrum and overturn, so that arc rotary rod (22) can be in its intrados is close to the hookup location of arcwall face, and its intrados is close to the storage position of second connecting seat (21), when arc rotary rod (22) are in hookup location, second limit structure (23) can be selectively with the spacing cooperation of different first limit structure (12), with the regulation first fixed surface (112) with angle between second fixed surface (211).

2. The angle adjustment lock according to claim 1, characterized in that the arc-shaped rotating lever (22) comprises a spherical portion (222) and an arc-shaped lever portion (223) which are connected, the second connecting seat (21) has a spherical groove (212) and an arc-shaped receiving groove (213) which are communicated, the spherical groove (212) is located at a side of the arc-shaped receiving groove (213) facing the first connecting seat (11), the spherical portion (222) is movably arranged in the spherical groove (212), the curvature of the arc-shaped lever portion (223) is the same as the curvature of the arc-shaped receiving groove (213), and the arc-shaped lever portion (223) is located at least partially in the arc-shaped receiving groove (213) when the arc-shaped rotating lever (22) is in the receiving position.

3. The angle adjustment lock according to claim 2, characterized in that the second connection seat (21) comprises a receiving seat (214) and two pressing plates (215) arranged at intervals, two pressing plates (215) are both covered on the receiving seat (214), the receiving seat (214) and the two pressing plates (215) jointly enclose the spherical groove (212), the arc-shaped receiving groove (213) is arranged on the receiving seat (214), and the arc-shaped receiving groove (213) corresponds to a gap between the two pressing plates (215).

4. The angle adjustment lock of claim 1, wherein,

the first connecting seat (11) comprises an adjusting seat (113) and an arc-shaped cover (114), the first fixing surface (112) is arranged on the front side of the adjusting seat (113), the rear surface of the adjusting seat (113) comprises the arc-shaped surface, the arc-shaped cover (114) is arranged on the rear surface of the adjusting seat (113) in a covering mode capable of being opened and closed, and the arc-shaped cover (114) and the adjusting seat (113) jointly enclose a containing groove for containing the arc-shaped rotating rod (22);

the first limit structure (12) comprises a first limit groove (121), the first limit groove (121) is formed in the arc-shaped surface, the second limit structure (23) comprises a limit rod (231), when the arc-shaped rotary rod (22) is located at the connecting position, the limit rod (231) is in limit fit with the first limit groove (121), and the arc-shaped rotary rod (22) is compressed through the arc-shaped cover (114).

5. The angle adjustment lock according to claim 4, wherein the first limiting structure (12) further comprises a second limiting groove (122), the second limiting groove (122) is formed in the front surface of the arc-shaped cover (114), when the arc-shaped cover (114) is covered on the adjustment seat (113), the second limiting groove (122) corresponds to the first limiting groove (121), and the limiting rod (231) is in limiting fit with the second limiting groove (122).

6. The angle adjustment lock according to claim 4 or 5, characterized in that the end of the arc-shaped cover (114) remote from the second connection seat (21) and the end of the adjustment seat (113) remote from the second connection seat (21) are hinged, the first connection seat (11) further comprises a locking spanner (115), the locking spanner (115) being hinged at the end of the arc-shaped cover (114) close to the second connection seat (21), the locking spanner (115) having a locking position connected with the adjustment seat (113) and an opening position separated from the adjustment seat (113).

7. The angle adjustment lock according to claim 6, characterized in that the first connection base (11) further comprises a hinge shaft (116) and a torsion spring (117), a first hinge hole is formed in the side wall of the arc-shaped cover (114), a second hinge hole penetrating through the side wall of the locking spanner (115), the hinge shaft (116) is inserted into the first hinge hole and the second hinge hole, the torsion spring (117) is sleeved on the hinge shaft (116), and two ends of the torsion spring (117) are respectively connected with the locking spanner (115) and the arc-shaped cover (114) so that the locking spanner (115) is kept at the locking position.

8. The angle adjustment lock according to claim 6, characterized in that a hook (1151) is provided at the front end of the locking wrench (115), a clamping boss (1131) is provided on a side wall of the adjustment seat (113), the hook (1151) is clamped to the clamping boss (1131) when the locking wrench (115) is located at the locking position, and the hook (1151) is separated from the clamping boss (1131) when the locking wrench (115) is located at the opening position.

9. The angle adjustment lock according to claim 4 or 5, characterized in that the first connection seat (11) further comprises a filling piece (118) arranged in the receiving groove, the filling piece (118) being arranged between a side wall of the arc-shaped swivel lever (22) and an inner wall of the receiving groove.

10. An LED display device, comprising:

at least two display units (30);

angle adjustment lock, a first fixing surface (112) of a first connection assembly (10) of the angle adjustment lock being arranged on one of two adjacent display units (30), a second fixing surface (211) of a second connection assembly (20) of the angle adjustment lock being arranged on the other of two adjacent display units (30), the angle adjustment lock being an angle adjustment lock according to any one of claims 1 to 9.