CN115768021A

CN115768021A - Connecting device of LED display device and LED display device

Info

Publication number: CN115768021A
Application number: CN202211521324.0A
Authority: CN
Inventors: 李炳锋; 莫春满
Original assignee: Shenzhen Leyard Optoelectronic Co Ltd
Current assignee: Shenzhen Leyard Optoelectronic Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-07

Abstract

The invention provides a connecting device of an LED display device and the LED display device, wherein the connecting device is arranged between a first LED display component and a second LED display component to adjust the angle between the first LED display component and the second LED display component, and the connecting device comprises: the adjusting assembly is arranged on the first LED display assembly and comprises an adjusting block and a driving structure, a plurality of adjusting bulges are arranged at one end, close to the butt joint edge, of the adjusting block, and the sizes of the bulges, protruding towards the second LED display assembly, of the adjusting bulges are different; the locking assembly is arranged on the second LED display assembly and comprises an ejector and a first fastener, the ejector is matched with different adjusting protrusions to adjust the angle between the first LED display assembly and the second LED display assembly, and the first fastener is matched with the adjusting assembly to lock or unlock the first LED display assembly and the second LED display assembly. The invention can solve the problems of inconvenient adjustment and poor connection stability of the connection lock in the related technology.

Description

Connecting device of LED display device and LED display device

Technical Field

The invention relates to the field of installation of LED display devices, in particular to a connecting device of an LED display device and the LED display device.

Background

At present, due to the excellent display effect and applicability of the LED display screen, the LED display screen is widely applied to the industries of stages, commercial performances, advertisements, exhibitions and the like. With the development of the LED display screen industry, the diversification of the LED display screen is increased day by day, and the radian screen structure becomes a new requirement of people.

In the related art, in order to meet the requirement of radian assembly of the LED display screen, a plurality of display screen units are connected by adopting a customized splicing lock.

However, the structure of the existing connecting lock is complex, so that the adjustment is inconvenient and the connection stability is poor.

Disclosure of Invention

The invention mainly aims to provide a connecting device of an LED display device and the LED display device, and aims to solve the problems that a connecting lock in the related art is inconvenient to adjust and poor in connecting stability.

In order to achieve the above object, according to one aspect of the present invention, there is provided a connection device of an LED display device, the LED display device including a first LED display assembly and a second LED display assembly, the connection device being disposed between the first LED display assembly and the second LED display assembly to adjust an angle between the first LED display assembly and the second LED display assembly, the connection device including: the adjusting assembly is arranged on the first LED display assembly and comprises an adjusting block and a driving structure, the driving structure drives the adjusting block to move along the extending direction of a butt joint edge where the first LED display assembly is in butt joint with the second LED display assembly, a plurality of adjusting protrusions are arranged at one end, close to the butt joint edge, of the adjusting block, and the protruding sizes of the adjusting protrusions towards the second LED display assembly are different; the locking assembly is arranged on the second LED display assembly and comprises a pushing piece and a first fastener, the pushing piece is matched with different adjusting protrusions to adjust the angle between the first LED display assembly and the second LED display assembly, and the first fastener is matched with the adjusting assembly to lock or unlock the first LED display assembly and the second LED display assembly.

Further, a plurality of regulation archs are stair structure on the extending direction of butt joint border, and every regulation arch all includes the butt joint face towards second LED display element, and a plurality of butt joint faces and the distance between the second LED display element reduce gradually on the extending direction of butt joint border.

Further, each of the abutting faces is provided obliquely in the front-rear direction of the first LED display module.

Furthermore, the plurality of abutting surfaces are odd-numbered, the abutting surface at the center is of a planar structure, the abutting surface at the first side of the abutting surface at the center is gradually inclined towards the direction close to the second LED display component in the front-back direction of the first LED display component, the abutting surface at the second side of the abutting surface at the center is gradually inclined towards the direction far away from the second LED display component in the front-back direction of the first LED display component, and the end surface of the pushing piece is of a planar structure.

Further, first fastener includes fastening rod and regulating part, and the fastening rod is worn to establish in regulating block and second LED display module, the first end spacing cooperation of regulating block and fastening rod, and the regulating part setting is held at the second of fastener and is cooperated so that locking or unblock between fastener and the regulating block with second LED display module butt.

Further, be provided with on the regulating block and adjust the chamber and with the first hole of dodging of adjusting the chamber intercommunication, first hole setting of dodging is on the regulating block towards the end wall of second LED display module, the anchorage bar includes fastening screw and sets up the spacing bulge loop at fastening screw's first end, spacing bulge loop stretches into the regulating chamber through first hole of dodging and cooperates with the regulating block towards the end wall butt that pushes away the piece, the regulating part is the adjusting nut who sets up with the anchorage bar cooperation, adjusting nut can push away the cooperation with second LED display module top.

Further, the first hole of dodging sets up on the terminal surface that is close to the top and pushes away the piece of regulating block, and the anchorage bar is worn to establish in second LED display module and the top pushes away the piece.

Further, the driving structure includes: the fixed sleeve is fixedly arranged on one side of the adjusting block, which is far away from the pushing piece, and an internal thread hole is formed in the fixed sleeve; the adjusting screw rod is rotatably arranged in the internal thread hole; the gear structure comprises a sleeve and gear teeth arranged on the circumferential outer side wall of the sleeve, the sleeve is fixedly connected with the adjusting screw so that the gear structure and the adjusting screw can rotate synchronously, and a gear groove matched with the gear teeth is formed in the inner wall of the adjusting block.

Further, the regulating block includes that first casing and lid establish the second casing at first casing front side, first casing includes the back plate, be close to second LED display module's end plate, and set up two curb plates in back plate both sides respectively, a plurality of regulation archs set up on the end plate, the first hole of dodging sets up on the end plate, the back plate, second casing and two curb plates enclose into the regulation chamber, gear structure stretches into the regulation intracavity, the gear groove sets up the internal surface at the internal surface of back plate or the internal surface of second casing.

Furthermore, the adjusting assembly further comprises a first box body, an accommodating space is formed in the first box body, an opening communicated with the accommodating space is formed in one end, facing the pushing piece, of the first box body, the driving structure is arranged in the accommodating space, one part of the adjusting block is located in the accommodating space, and the other part of the adjusting block protrudes out of the first box body through the opening.

Further, gear structure is intermittent type gear structure, is provided with a plurality of scale marks that the interval set up on the extending direction at butt joint border on the rear surface of regulating block, and a plurality of scale marks set up with a plurality of butt joint face one-to-one, are provided with the visual hole that exposes a scale mark on the first box body.

Furthermore, an annular convex rib is further arranged on the circumferential outer side of the sleeve, the outer surface of the annular convex rib protrudes out of the gear teeth, a limiting hole extending along the extending direction of the butt joint edge is formed in the rear plate and the second shell respectively, the annular convex rib extends into the limiting hole, and the annular convex rib is in limiting fit with the hole wall of the limiting hole.

Further, fixed cover includes the mount pad with first box body fixed connection and wears to establish the thread bush in the mount pad, fixed cover and thread bush splines the cooperation, be provided with the cross slot that extends along adjusting screw's axial direction on adjusting screw's the outer wall, the degree of depth of cross slot is greater than the recess between two adjacent screw threads of adjusting screw, still be provided with first mounting hole on the mount pad, be provided with the elastic component in the first mounting hole, the elastic component can with the adjusting screw butt under the effect of elastic restoring force, when the gear stretches into the gear inslot, the elastic component stretches into the cross slot.

Furthermore, an annular groove which is recessed inwards is formed in the outer side wall of the threaded sleeve, a plurality of second mounting holes are formed in the fixing sleeve, and the fixing sleeve further comprises a second fastening piece which is arranged in the second mounting holes and the annular groove in a penetrating mode; the outer side wall of the threaded sleeve is further provided with annular limiting portions arranged at intervals in the axial direction of the threaded sleeve, each annular limiting portion comprises a plurality of limiting planes arranged in an angle mode, a plurality of third mounting holes are further formed in the fixing sleeve, the plurality of third mounting holes are arranged in a one-to-one correspondence mode with the plurality of limiting planes, the fixing sleeve further comprises a plurality of third fasteners arranged in a one-to-one correspondence mode with the plurality of third mounting holes, and the third fasteners penetrate through the third mounting holes and abut against the limiting planes.

According to another aspect of the present invention, there is provided an LED display device including: a first LED display assembly and a second LED display assembly; and the connecting device is arranged between the first LED display assembly and the second LED display assembly so as to adjust the angle between the first LED display assembly and the second LED display assembly, and the connecting device is the connecting device.

Furthermore, the first LED display assembly comprises a first support and a first LED display screen arranged on the front side of the first support, the first support comprises a first frame and a first flanging part positioned on the rear side of the first frame, the adjusting assembly is arranged on the first frame, and the first flanging part is provided with a second avoiding hole for avoiding the adjusting assembly; the second LED display component comprises a second support and a second LED display screen arranged on the front side of the second support, the second support comprises a second frame and a second flanging part located on the rear side of the second frame, the pushing part of the locking component is arranged on one side, facing the first flanging part, of the second flanging part, and the first fastener is arranged on the second flanging part in a penetrating mode.

By applying the technical scheme of the invention, the connecting device comprises an adjusting component arranged on the first LED display component and a locking component arranged on the second LED display component, and the adjusting component comprises an adjusting block capable of moving along the extension direction of the butt joint edge and a driving structure for driving the adjusting block to move. When connecting first LED display element and second LED display element, the border of first LED display element and the border butt of second LED display element together earlier, then adjust the drive structure, make it drive the regulating block and remove on the extending direction at butt joint border, the purpose lets push away a relative setting in piece and a plurality of regulation archs, because a plurality of regulation archs are different towards the convex size of second LED display element, consequently, push away the piece and push away the cooperation with the protruding top of the regulation of difference and can make and have different contained angles between first LED display element and the second LED display element. After an operator selects a preset angle, the adjusting block can be moved to a position where the pushing piece is opposite to the preset adjusting protrusion, and finally the adjusting assembly and the second LED display assembly are tensioned by adjusting the first fastening piece so that the pushing piece is in pushing fit with the preset adjusting protrusion, and therefore the effect of locking the first LED display assembly and the second LED display assembly is achieved. Above-mentioned structure forms first LED display module and second LED display module's first butt position through the border of first LED display module and the border butt cooperation of second LED display module, the second butt position of first LED display module and second LED display module is formed in the butt cooperation of rethread regulation arch and top push piece, the position through changing the regulating block makes the top push piece change the angle between first LED display module and the second LED display module with the protruding butt cooperation of different regulation, the control mode is simple, connect stably high, help realizing arc LED display device's fast assembly.

Drawings

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

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

FIG. 2 shows a top view of the LED display apparatus of FIG. 1, wherein FIG. 2 shows a schematic view of the first LED display assembly and the second LED display assembly in a flat configuration;

FIG. 3 shows a cross-sectional view of the LED display device of FIG. 2;

fig. 4 shows an enlarged schematic view of the LED display device of fig. 3 at a;

fig. 5 is a schematic perspective view showing a partial structure of the LED display device of fig. 2;

FIG. 6 shows a cross-sectional view of the LED display apparatus of FIG. 1, wherein FIG. 6 shows a schematic view of the first LED display assembly and the second display assembly when they have a positive angle;

FIG. 7 shows a schematic view of a partial structure of the LED display device of FIG. 6;

FIG. 8 shows a top view of the LED display apparatus of FIG. 1, wherein FIG. 8 shows a schematic view of the structure with a negative angle between the first LED display assembly and the second LED display assembly;

FIG. 9 shows a partial cross-sectional view of the LED display device of FIG. 8;

FIG. 10 shows an exploded view of the adjustment assembly of the LED display device of FIG. 1;

fig. 11 is an assembly view showing a partial structure of a driving structure of the LED display device of fig. 1;

fig. 12 is a perspective view illustrating an adjustment assembly of the LED display device of fig. 1.

Wherein the figures include the following reference numerals:

10. a first LED display assembly; 1. butting edges; 11. a first bracket; 111. a first frame; 112. a first burring; 12. a first LED display screen; 20. a second LED display assembly; 21. a second bracket; 22. a second LED display screen; 221. a second frame; 222. a second burring; 30. an adjustment assembly; 40. an adjusting block; 4. an adjustment chamber; 41. a first housing; 411. a back plate; 412. an end plate; 4121. a first avoidance hole; 413. a side plate; 414. an adjusting projection; 4141. an abutting surface; 42. a second housing; 43. a gear groove; 44. scale marks; 45. a limiting hole; 50. a drive structure; 51. fixing a sleeve; 511. a mounting base; 512. a threaded sleeve; 5121. an annular groove; 5122. an annular limiting part; 513. an elastic member; 514. a second fastener; 515. a third fastener; 52. adjusting the screw rod; 521. a transverse groove; 53. a gear structure; 531. a sleeve; 532. gear teeth; 533. an annular convex rib; 60. a first case; 61. a visual aperture; 70. a locking assembly; 71. pushing the part; 72. a first fastener; 721. a fastening rod; 7211. fastening a screw rod; 7212. a limit convex ring; 722. an adjustment member; 80. and (4) a connecting device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

As shown in fig. 1 to 9, the LED display device includes a first LED display assembly 10 and a second LED display assembly 20, a connecting device of the present embodiment is used to connect the first LED display assembly 10 and the second LED display assembly 20, and the connecting device is disposed between the first LED display assembly 10 and the second LED display assembly 20 to adjust an angle between the first LED display assembly 10 and the second LED display assembly 20. The connecting device includes: an adjustment assembly 30 and a locking assembly 70. The adjusting assembly 30 is arranged on the first LED display assembly 10, the adjusting assembly 30 includes an adjusting block 40 and a driving structure 50, the driving structure 50 drives the adjusting block 40 to move along the extending direction of the butt joint edge 1 of the first LED display assembly 10 and the second LED display assembly 20, one end of the adjusting block 40 close to the butt joint edge 1 is provided with a plurality of adjusting protrusions 414, and the protruding sizes of the adjusting protrusions 414 towards the second LED display assembly 20 are different; the locking assembly 70 is disposed at the second LED display assembly 20, the locking assembly 70 includes a pusher 71 and a first fastener 72, the pusher 71 cooperates with different adjusting protrusions 414 to adjust an angle between the first LED display assembly 10 and the second LED display assembly 20, and the first fastener 72 cooperates with the adjusting assembly 30 to lock or unlock the first LED display assembly 10 and the second LED display assembly 20.

With the technical solution of the present embodiment, the connecting device includes an adjusting assembly 30 disposed on the first LED display assembly 10 and a locking assembly 70 disposed on the second LED display assembly 20, wherein the adjusting assembly 30 includes an adjusting block 40 capable of moving along the extending direction of the butting edge 1 and a driving structure 50 for driving the adjusting block 40 to move. When the first LED display assembly 10 and the second LED display assembly 20 are connected, the edge of the first LED display assembly 10 and the edge of the second LED display assembly 20 are abutted together, and then the driving structure 50 is adjusted to drive the adjusting block 40 to move in the extending direction of the abutting edge 1, so as to enable the pushing piece 71 and one of the adjusting protrusions 414 to be arranged relatively, because the sizes of the plurality of adjusting protrusions 414 protruding toward the second LED display assembly 20 are different, the pushing piece 71 and the different adjusting protrusions 414 are in pushing fit, so that different included angles can be formed between the first LED display assembly 10 and the second LED display assembly 20, and further, after an operator selects a predetermined angle, the adjusting block 40 can be moved to a position where the pushing piece 71 is opposite to the predetermined adjusting protrusion 414, and finally, the distance between the adjusting assembly 30 and the second LED display assembly 20 is tightened by adjusting the first fastener 72, so that the pushing piece 71 and the predetermined adjusting protrusion 414 are in pushing fit, thereby achieving the effect of locking the first LED display assembly 10 and the second LED display assembly 20. The structure forms the first butt joint position of the first LED display assembly 10 and the second LED display assembly 20 through the butt joint matching of the edge of the first LED display assembly 10 and the edge of the second LED display assembly 20, the second butt joint position of the first LED display assembly 10 and the second LED display assembly 20 is formed through the butt joint matching of the adjusting protrusion 414 and the pushing piece 71, the angle between the first LED display assembly 10 and the second LED display assembly 20 is changed through changing the position of the adjusting block 40 to enable the pushing piece 71 and the adjusting protrusion 414 to be in butt joint matching with different adjusting protrusions, the adjusting mode is simple, the connection is stable and high, and the arc-shaped LED display device is convenient to rapidly assemble.

As shown in fig. 4, 5, 7, 9, 10 and 12, in the present embodiment, the plurality of adjusting protrusions 414 have a stepped structure in the extending direction of the docking edge 1, each adjusting protrusion 414 includes an abutting surface 4141 facing the second LED display module 20, and the distance between the plurality of abutting surfaces 4141 and the second LED display module 20 in the extending direction of the docking edge 1 gradually decreases. In the above structure, the plurality of adjusting protrusions 414 are arranged in a step structure, so that the distance between the plurality of abutting surfaces 4141 of the plurality of adjusting protrusions 414 and the second LED display module 20 in the extending direction of the abutting edge 1 is reduced, when an operator moves the adjusting block 40 in one direction, the included angle between the first LED display module 10 and the second LED display module 20 can be gradually increased, correspondingly, when the operator moves the adjusting block 40 in another direction, the included angle between the first LED display module 10 and the second LED display module 20 can be gradually reduced, and thus, the included angle between the first LED display module 10 and the second LED display module 20 can be conveniently adjusted to a proper position by the operator. In addition, the abutting surface 4141 can ensure that the abutting area of the pushing member 71 and the adjusting protrusion 414 is large enough, thereby ensuring the stability of the connection of the first LED display assembly 10 and the second LED display assembly 20.

As shown in fig. 1 to 9 and 12, in the present embodiment, the plurality of abutting surfaces 4141 are odd-numbered, the abutting surface 4141 located at the center is of a planar structure, the abutting surface 4141 located at the first side of the abutting surface 4141 located at the center is gradually inclined toward the direction approaching the second LED display unit 20 in the front-back direction of the first LED display unit 10, the abutting surface 4141 located at the second side of the abutting surface 4141 located at the center is gradually inclined toward the direction away from the second LED display unit 20 in the front-back direction of the first LED display unit 10, and the end surface of the pusher 71 is of a planar structure.

The above structure can realize three splicing modes, i.e., the first LED display assembly 10 and the second LED display assembly 20 are horizontally arranged (as shown in fig. 1 to 5), and the first LED display assembly 10 and the second LED display assembly 20 have a positive angle (as shown in fig. 6 and 7), i.e., the LED display device is in an inward arc structure, and the first LED display assembly 10 and the second LED display assembly 20 have a negative angle (as shown in fig. 8 and 9), i.e., the LED display device is in an outward arc structure. Specifically, since the end surface of the pushing member 71 is a planar structure, when the pushing member 71 abuts against the abutting surface 4141 at the center, the abutting surface 4141 at the center is a planar structure coplanar with the abutting edges of the first LED display assembly 10 and the second LED display assembly 20, and the first LED display assembly 10 and the second LED display assembly 20 are horizontally disposed at this time; when the pushing member 71 abuts against the first side abutting surface 4141 of the center abutting surface 4141, the first side abutting surface 4141 of the center abutting surface 4141 protrudes beyond the abutting edges of the first LED display assembly 10 and the second LED display assembly 20, so that a positive angle is formed between the first LED display assembly 10 and the second LED display assembly 20; when the pushing member 71 abuts against the abutting surface 4141 at the second side of the abutting surface 4141 at the center, the abutting surface 4141 at the second side of the abutting surface 4141 at the center is recessed in the abutting edges of the first LED display assembly 10 and the second LED display assembly 20, so that a negative angle is formed between the first LED display assembly 10 and the second LED display assembly 20. The arrangement mode enables the first LED display assembly 10 and the second LED display assembly 20 to be connected horizontally, in a positive angle or in a negative angle, so that the adjusting range of the included angle between the first LED display assembly 10 and the second LED display assembly 20 is enlarged, and the use scenes of the LED display device are enriched.

Of course, in other embodiments, each of the abutting surfaces 4141 can be disposed obliquely in the front-rear direction of the first LED display assembly 10 when the included angle between the first LED display assembly 10 and the second LED display assembly 20 can only be adjusted from 0 ° to a positive angle or can only be adjusted from 0 ° to a negative angle. In the above structure, when an included angle exists between the first LED display module 10 and the second LED display module 20, the contact surface 4141 is inclined to increase the contact area between the contact surface 4141 and the pushing member 71, so as to increase the stability of the pushing fit between the contact surface 4141 and the pushing member 71.

As shown in fig. 4, 5, 7, 9 and 12, in the present embodiment, the first fastening member 72 includes a fastening rod 721 and an adjusting member 722, the fastening rod 721 is inserted into the adjusting block 40 and the second LED display module 20, the adjusting block 40 is in limit fit with a first end of the fastening rod 721, and the adjusting member 722 is disposed at a second end of the fastening member and is in abutting fit with the second LED display module 20 to lock or unlock the fastening member and the adjusting block 40. In the above-mentioned structure, the first end of fastening rod 721 stretches into in the regulating block 40 to with the spacing cooperation of regulating block 40, the second end of fastening rod 721 wears to establish in second LED display module 20, the second end of fastening rod 721 still is provided with adjusting part 722, when adjusting part 722 removes towards second LED display module 20, the first end of fastening rod 721 is taut with regulating block 40 to second LED display module 20, so that top push 71 and butt face 4141 top are tight, realize the locking of first LED display module 10 and second LED display module 20. The structure is simple, the locking is convenient, and the splicing efficiency of the first LED display assembly 10 and the second LED display assembly 20 is improved.

Specifically, as shown in fig. 7, 9 and 12, in the present embodiment, the adjusting block 40 is provided with an adjusting cavity 4 and a first avoiding hole 4121 communicated with the adjusting cavity 4, the first avoiding hole 4121 is disposed on an end wall of the adjusting block 40 facing the second LED display assembly 20, the fastening rod 721 includes a fastening screw 7211 and a limiting convex ring 7212 disposed at a first end of the fastening screw 7211, the limiting convex ring 7212 extends into the adjusting cavity 4 through the first avoiding hole 4121 and is in abutting engagement with the end wall of the adjusting block 40 facing the pushing member 71, the adjusting member 722 is an adjusting nut disposed in engagement with the fastening rod 721, and the adjusting nut can be in abutting engagement with the second LED display assembly 20. In the above structure, when the adjusting member 722 moves towards the second LED display module 20, the limiting convex ring 7212 of the fastening rod 721 can pull the end wall of the adjusting block 40 towards the second LED display module 20, so that the pushing member 71 is pushed against the abutting surface 4141, and the first LED display module 10 and the second LED display module 20 are locked.

As shown in fig. 9, in the present embodiment, the first avoiding hole 4121 is disposed on the end surface of the adjusting block 40 close to the pushing member 71, and the fastening rod 721 is inserted into the second LED display module 20 and the pushing member 71. In the above structure, the first avoiding hole 4121 is disposed on the end surface where the adjusting protrusion 414 is located, and the fastening rod 721 penetrates through the pushing member 71, so that the adjusting block 40 and the pushing member 71 have a function of adjusting an angle between the first LED display module 10 and the second LED display module 20, and have a function of locking the first LED display module 10 and the second LED display module 20. The above structure makes the structure of the connection device compact, contributing to reducing the thickness of the connection device in the front-rear direction of the first LED display assembly 10.

As shown in fig. 4, 5, 7, and 9 to 11, in the present embodiment, the driving structure 50 includes: a fixed sleeve 51, an adjusting screw 52 and a gear structure 53. The fixed sleeve 51 is fixedly arranged on one side of the adjusting block 40 far away from the pushing piece 71, and an internal threaded hole is formed in the fixed sleeve 51; the adjusting screw 52 is rotatably disposed in the female threaded hole; the gear structure 53 includes a sleeve 531 and a gear tooth 532 disposed on the circumferential outer side wall of the sleeve 531, the sleeve 531 is fixedly connected to the adjusting screw 52 so that the gear structure 53 and the adjusting screw 52 rotate synchronously, and a gear groove 43 disposed in cooperation with the gear tooth 532 is disposed on the inner wall of the adjusting block 40. In the structure, the fixing sleeve 51 is fixedly arranged, the internal thread is arranged inside the fixing sleeve, the adjusting screw 52 is rotatably arranged in the internal thread hole, the driving end of the adjusting screw 52 is connected with the gear structure 53, the adjusting screw and the gear structure can synchronously rotate, and the gear teeth 532 of the gear structure 53 are meshed with the gear groove 43 on the inner wall of the adjusting block 40, so that the gear structure 53 can drive the adjusting block 40 to move when the adjusting screw 52 rotates. The structure enables the driving mode of the adjusting block 40 to be simple, all parts in the driving structure 50 can be stably matched, and the driving effect on the adjusting block 40 is guaranteed.

It should be noted that the axis of the adjusting screw 52 is perpendicular to the abutting edge 1, so that the adjusting screw 52 rotates to drive the adjusting block 40 to move along the extending direction of the abutting edge 1.

Specifically, as shown in fig. 7 and fig. 9 to 12, in the present embodiment, the adjusting block 40 includes a first housing 41 and a second housing 42 covering the first housing 41, the first housing 41 includes a rear plate 411, an end plate 412 close to the second LED display assembly 20, and two side plates 413 respectively disposed at two sides of the rear plate 411, a plurality of adjusting protrusions 414 are disposed on the end plate 412, a first avoiding hole 4121 is disposed on the end plate 412, the rear plate 411, the second housing 42, and the two side plates 413 enclose the adjusting cavity 4, the gear structure 53 extends into the adjusting cavity 4, and the gear groove 43 is disposed on an inner surface of the rear plate 411 or an inner surface of the second housing 42. In the above structure, the adjusting block 40 includes the first housing 41 and the second housing 42 which are separately arranged, so that the gear structure 53 can extend into the adjusting block 40 and be in timing driving fit with the gear groove 43 in the adjusting block 40. The structure enables the gear groove 43 to be directly arranged in the adjusting block 40, and the gear structure 53 is matched with the adjusting block 40 in a direct driving mode, so that the structure is simple, and the installation is convenient.

As shown in fig. 9 and 10, in the present embodiment, the adjusting assembly 30 further includes a first case 60, the first case 60 has an accommodating space therein, an end of the first case 60 facing the pushing member 71 has an opening communicating with the accommodating space, the driving structure 50 is disposed in the accommodating space, a portion of the adjusting block 40 is located in the accommodating space, and another portion of the adjusting block 40 protrudes from the first case 60 through the opening. In the structure, the first box body 60 can play a limiting effect on the adjusting block 40, when the gear structure 53 rotates, the adjusting block 40 is limited by the first box body 60, so that the adjusting block cannot rotate along with the gear structure 53 and can only move in the accommodating space, the setting position of the adjusting protrusion 414 matched with the pushing piece 71 is changed, and multi-angle adjustment between the first LED display assembly 10 and the second LED display assembly 20 is realized.

As shown in fig. 10, in the present embodiment, the gear structure 53 is an intermittent gear structure, the rear surface of the adjusting block 40 is provided with a plurality of scale marks 44 arranged at intervals in the extending direction of the abutting edge 1, the plurality of scale marks 44 and the plurality of abutting surfaces 4141 are arranged in one-to-one correspondence, and the first box 60 is provided with a visible hole 61 exposing one scale mark 44. In the above structure, the gear structure 53 is an intermittent gear structure, so that the gear teeth 532 and the gear grooves 43 can be intermittently matched, and thus the included angle between the first LED display assembly 10 and the second LED display assembly 20 is not steplessly adjusted, but can be adjusted to only a predetermined included angle. And the number of degrees of contained angle can see through visual hole 61 through scale mark 44 and show, and this kind of mode of setting up helps operating personnel to adjust two adjacent LED display module with fixed radian to can guarantee the homogeneity of LED display device's radian.

In this embodiment, the adjusting screw 52 rotates once, and the displacement of the adjusting block 40 is the distance between two adjacent scale marks 44, and accordingly, the adjusting protrusion 414 engaged with the pushing member 71 changes.

As shown in fig. 9 to 12, in this embodiment, an annular protruding rib 533 is further disposed on the circumferential outer side of the sleeve 531, an outer surface of the annular protruding rib 533 protrudes out of the gear teeth 532, the rear plate 411 and the second housing 42 are respectively provided with a limiting hole 45 extending along the extending direction of the butt joint edge 1, the annular protruding rib 533 extends into the limiting hole 45, and the annular protruding rib 533 is in limiting fit with a hole wall of the limiting hole 45. In the above structure, the adjusting screw 52 can move in the axial direction of the adjusting screw 52 while rotating, the adjusting screw 52 moves to drive the sleeve 531 to move, the sleeve 531 drives the adjusting block 40 to move in the axial direction of the adjusting screw 52 through the annular convex rib 533, so as to further change the size of the adjusting protrusion 414 protruding towards the second LED display module 20, and realize the effect of adjusting the included angle between the first LED display module 10 and the second LED display module 20.

The above structure enables the adjusting screw 52 to drive the adjusting block 40 to move in the extending direction of the butt joint edge 1 and also drive the adjusting block 40 to move in the direction approaching or departing from the second LED display module 20 when rotating. Thereby further varying the size of the protrusion of the adjustment protrusion 414 toward the second LED display assembly 20.

As shown in fig. 10, in the present embodiment, the fixing sleeve 51 includes a mounting seat 511 fixedly connected to the first box 60 and a threaded sleeve 512 penetrating through the mounting seat 511, the fixing sleeve 51 is engaged with the threaded sleeve 512 in a rotation-stop manner, a transverse groove 521 extending along an axial direction of the adjusting screw 52 is provided on an outer wall of the adjusting screw 52, a depth of the transverse groove 521 is greater than a groove between two adjacent threads of the adjusting screw 52, a first mounting hole is further provided on the mounting seat 511, an elastic element 513 is provided in the first mounting hole, the elastic element 513 can abut against the adjusting screw 52 under an elastic restoring force, and when the gear teeth 532 extend into the gear groove 43, the elastic element 513 extends into the transverse groove 521. By means of the structure, when the adjusting screw 52 rotates for one circle, the elastic piece 513 can give a hand feeling feedback to an operator once to remind the operator that the adjusting screw 52 rotates for one circle, meanwhile, when the adjusting screw 52 rotates for one circle, the abutting surface 4141 matched with the pushing piece 71 is replaced by another abutting surface 4141 adjacent to the original abutting surface 4141, and an included angle between the first LED display assembly 10 and the second LED display assembly 20 can be changed. The above structure can facilitate the operator to adjust the angle between the first LED display assembly 10 and the second LED display assembly 20.

As shown in fig. 10, in the present embodiment, an annular groove 5121 recessed inward is disposed on an outer side wall of the threaded sleeve 512, a plurality of second mounting holes are disposed on the mounting seat 511, and the fixing sleeve 51 further includes a second fastening member 514 disposed through the second mounting holes and the annular groove 5121. Still be provided with on the lateral wall of thread bush 512 with the spacing portion 5122 of annular that annular recess 5121 interval set up on the axial direction of thread bush 512, spacing portion 5122 of annular includes the spacing plane of a plurality of angulations settings, still be provided with a plurality of third mounting holes on the mount pad 511, a plurality of third mounting holes and a plurality of spacing plane one-to-one setting, fixed cover 51 still includes a plurality of third fasteners 515 that set up with a plurality of third mounting holes one-to-one, third fastener 515 wear to establish in the third mounting hole and with spacing plane butt. In the above structure, the second fastening member 514 is protruded into the annular groove 5121, thereby limiting the movement of the threaded sleeve 512. Through setting up spacing portion 5122 of annular, make spacing plane and the butt cooperation of a plurality of third fasteners 515 of spacing portion 5122 of annular, realize the spline cooperation of thread bush 512 with mount pad 511 to the fixed connection of thread bush 512 with mount pad 511 has been realized. The structure does not need to adopt a welding mode to fix the threaded sleeve 512 and the mounting seat 511, and the structure has simple process and convenient assembly.

As shown in fig. 1 to 3, 6 and 8, the present application also provides an LED display device, an embodiment of the LED display device of the present application includes: the first and second

LED display assemblies

10 and 20, and the connecting device 80, wherein the connecting device 80 is disposed between the first and second

LED display assemblies

10 and 20 to adjust an angle between the first and second

LED display assemblies

10 and 20, and the connecting device 80 is the above-mentioned connecting device. In the structure, the connecting device 80 has the advantages of simple adjusting mode, high connection stability and contribution to realizing the quick assembly of the arc-shaped LED display device, so that the LED display device with the connecting device has the advantages of wide angle adjusting range and convenience in assembly.

Specifically, as shown in fig. 1 to 3 and 5, in the present embodiment, the first LED display assembly 10 includes a first bracket 11 and a first LED display screen 12 disposed on a front side of the first bracket 11, the first bracket 11 includes a first frame 111 and a first flanging portion 112 disposed on a rear side of the first frame 111, the adjusting assembly 30 is disposed on the first frame 111, and the first flanging portion 112 is provided with a second avoiding hole for avoiding the adjusting assembly 30; the second LED display assembly 20 includes a second bracket 21 and a second LED display screen 22 disposed on the front side of the second bracket 21, the second bracket 21 includes a second frame 221 and a second flanging portion 222 disposed on the rear side of the second frame 221, the pushing member 71 of the locking assembly 70 is disposed on one side of the second flanging portion 222 facing the first flanging portion 112, and the first fastener 72 is disposed on the second flanging portion 222 in a penetrating manner. In the above structure, the first frame 111 and the first burring 112 contribute to the improvement of the stability of the coupling of the adjustment assembly 30. In addition, the pushing piece 71 is arranged on one side of the second flanging part 222 facing the first flanging part 112, and the pushing piece 71 can penetrate through the second avoidance hole to be in butt fit with different adjusting protrusions 414 of the adjusting block 40, so that the radian of the LED display device can be adjusted conveniently.

In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the directions or positional relationships shown in the drawings, and are for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A connection device of an LED display device comprising a first LED display assembly (10) and a second LED display assembly (20), said connection device being arranged between said first LED display assembly (10) and said second LED display assembly (20) to adjust an angle between said first LED display assembly (10) and said second LED display assembly (20), characterized in that said connection device comprises:

the adjusting assembly (30) is arranged on the first LED display assembly (10), the adjusting assembly (30) comprises an adjusting block (40) and a driving structure (50), the driving structure (50) drives the adjusting block (40) to move along the extending direction of a butt joint edge (1) of the first LED display assembly (10) and the second LED display assembly (20), one end, close to the butt joint edge (1), of the adjusting block (40) is provided with a plurality of adjusting protrusions (414), and the protruding sizes of the adjusting protrusions (414) facing the second LED display assembly (20) are different;

a locking assembly (70) disposed at the second LED display assembly (20), the locking assembly (70) including an ejector (71) and a first fastener (72), the ejector (71) cooperating with the different adjusting protrusions (414) to adjust an angle between the first LED display assembly (10) and the second LED display assembly (20), the first fastener (72) cooperating with the adjusting assembly (30) to lock or unlock the first LED display assembly (10) and the second LED display assembly (20).

2. The connecting device of LED display device according to claim 1, wherein the plurality of adjusting protrusions (414) have a stepped structure in the extending direction of the docking rim (1), each adjusting protrusion (414) comprises an abutting surface (4141) facing the second LED display component (20), and the distance between the plurality of abutting surfaces (4141) and the second LED display component (20) in the extending direction of the docking rim (1) is gradually reduced.

3. The connecting device of LED display device according to claim 2, wherein each of the abutting surfaces (4141) is obliquely arranged in the front-rear direction of the first LED display assembly (10).

4. The connecting device of LED display device according to claim 2, wherein the plurality of abutting surfaces (4141) is odd, the abutting surface (4141) at the center is a planar structure, the abutting surface (4141) at the first side of the abutting surface (4141) at the center is gradually inclined toward the direction approaching the second LED display module (20) in the front-back direction of the first LED display module (10), the abutting surface (4141) at the second side of the abutting surface (4141) at the center is gradually inclined toward the direction away from the second LED display module (20) in the front-back direction of the first LED display module (10), and the end surface of the pushing member (71) is a planar structure.

5. The connecting device of the LED display device according to claim 2, wherein the first fastening member (72) comprises a fastening rod (721) and an adjusting member (722), the fastening rod (721) is arranged in the adjusting block (40) and the second LED display component (20) in a penetrating manner, the adjusting block (40) is in limit fit with a first end of the fastening rod (721), and the adjusting member (722) is arranged at a second end of the fastening member and is in butt fit with the second LED display component (20) so as to enable the fastening member and the adjusting block (40) to be locked or unlocked.

6. The connecting device of the LED display device according to claim 5, wherein the adjusting block (40) is provided with an adjusting cavity (4) and a first avoiding hole (4121) communicated with the adjusting cavity (4), the first avoiding hole (4121) is formed in an end wall of the adjusting block (40) facing the second LED display assembly (20), the fastening rod (721) comprises a fastening screw (7211) and a limiting convex ring (7212) arranged at a first end of the fastening screw (7211), the limiting convex ring (7212) extends into the adjusting cavity (4) through the first avoiding hole (4121) and is in abutting fit with the adjusting block (40) facing the end wall of the pushing piece (71), the adjusting piece (722) is an adjusting nut arranged in fit with the fastening rod (721), and the adjusting nut can be in abutting fit with the second LED display assembly (20).

7. The connecting device of the LED display device according to claim 6, wherein the first avoiding hole (4121) is disposed on an end surface of the adjusting block (40) close to the pushing member (71), and the fastening rod (721) is inserted into the second LED display assembly (20) and the pushing member (71).

8. The connection device of an LED display device according to claim 6, wherein the driving structure (50) comprises:

the fixed sleeve (51) is fixedly arranged on one side, far away from the pushing piece (71), of the adjusting block (40), and an internal thread hole is formed in the fixed sleeve (51);

an adjusting screw (52) rotatably disposed within the internally threaded bore;

gear structure (53), be in including sleeve (531) and setting gear tooth (532) on sleeve (531) circumference lateral wall, sleeve (531) with adjusting screw (52) fixed connection is so that gear structure (53) with adjusting screw (52) synchronous revolution, be provided with on the inner wall of regulating block (40) with gear groove (43) that gear tooth (532) cooperation set up.

9. The connecting device of LED display device according to claim 8, wherein the adjusting block (40) comprises a first housing (41) and a second housing (42) covering the front side of the first housing (41), the first housing (41) comprises a back plate (411), an end plate (412) near the second LED display assembly (20), and two side plates (413) respectively disposed at two sides of the back plate (411), a plurality of adjusting protrusions (414) are disposed on the end plate (412), the first avoiding hole (4121) is disposed on the end plate (412), the back plate (411), the second housing (42) and the two side plates (413) enclose the adjusting cavity (4), the gear structure (53) extends into the adjusting cavity (4), and the gear groove (43) is disposed at an inner surface of the back plate (411) or an inner surface of the second housing (42).

10. The connecting device of the LED display device according to claim 8, wherein the adjusting assembly (30) further comprises a first box body (60), the first box body (60) has a receiving space therein, one end of the first box body (60) facing the pushing member (71) has an opening communicating with the receiving space, the driving structure (50) is disposed in the receiving space, a part of the adjusting block (40) is located in the receiving space, and another part of the adjusting block (40) protrudes from the first box body (60) through the opening.

11. The connecting device of the LED display device according to claim 10, wherein the gear structure (53) is an intermittent gear structure, the rear surface of the adjusting block (40) is provided with a plurality of scale marks (44) which are arranged at intervals in the extending direction of the abutting edge (1), the plurality of scale marks (44) are arranged in one-to-one correspondence with the plurality of abutting surfaces (4141), and the first box body (60) is provided with a visible hole (61) for exposing one scale mark (44).

12. The connecting device of the LED display device according to claim 9, wherein an annular rib (533) is further disposed on a circumferential outer side of the sleeve (531), an outer surface of the annular rib (533) protrudes out of the gear teeth (532), a limiting hole (45) extending along an extending direction of the butt joint edge (1) is disposed on each of the rear plate (411) and the second housing (42), the annular rib (533) extends into the limiting hole (45), and the annular rib (533) is in limiting fit with a hole wall of the limiting hole (45).

13. The connecting device of the LED display device according to claim 10, wherein the fixing sleeve (51) comprises a mounting seat (511) fixedly connected with the first box body (60) and a threaded sleeve (512) penetrating the mounting seat (511), the fixing sleeve (51) is in rotation stop fit with the threaded sleeve (512), a transverse groove (521) extending along the axial direction of the adjusting screw (52) is formed in the outer wall of the adjusting screw (52), the depth of the transverse groove (521) is greater than the groove between two adjacent threads of the adjusting screw (52), a first mounting hole is further formed in the mounting seat (511), an elastic member (513) is arranged in the first mounting hole, the elastic member (513) can abut against the adjusting screw (52) under the action of elastic restoring force, and when the gear teeth (532) extend into the gear groove (43), the elastic member (513) extends into the transverse groove (521).

14. The connecting device of LED display device as claimed in claim 13,

an annular groove (5121) which is recessed inwards is formed in the outer side wall of the threaded sleeve (512), a plurality of second mounting holes are formed in the mounting seat (511), and the fixed sleeve (51) further comprises second fasteners (514) which penetrate through the second mounting holes and the annular groove (5121);

still be provided with on the lateral wall of thread bush (512) with annular groove (5121) is in spacing portion of annular (5122) that the interval set up on the axial direction of thread bush (512), spacing portion of annular (5122) includes the spacing plane of a plurality of angle settings, still be provided with a plurality of third mounting holes on mount pad (511), it is a plurality of the third mounting hole is with a plurality of spacing plane one-to-one sets up, fixed cover (51) still include with a plurality of third fastener (515) that the third mounting hole one-to-one set up, third fastener (515) wear to establish in the third mounting hole and with spacing plane butt.

15. An LED display device, comprising:

a first LED display assembly (10) and a second LED display assembly (20);

a connection device (80) disposed between the first LED display assembly (10) and the second LED display assembly (20) to adjust an angle between the first LED display assembly (10) and the second LED display assembly (20), the connection device (80) being as claimed in any one of claims 1 to 14.

16. The LED display device of claim 15,

the first LED display assembly (10) comprises a first support (11) and a first LED display screen (12) arranged on the front side of the first support (11), the first support (11) comprises a first frame (111) and a first flanging part (112) located on the rear side of the first frame (111), the adjusting assembly (30) is arranged on the first frame (111), and a second avoiding hole for avoiding the adjusting assembly (30) is formed in the first flanging part (112);

the second LED display assembly (20) comprises a second support (21) and a second LED display screen (22) arranged on the front side of the second support (21), the second support (21) comprises a second frame (221) and a second flanging part (222) arranged on the rear side of the second frame (221), the pushing part (71) of the locking assembly (70) is arranged on one side, facing the first flanging part (112), of the second flanging part (222), and the first fastener (72) penetrates through the second flanging part (222).