Quick folding type wind-resistant frame and LED display screen system

Abstract

The utility model discloses a fast folding type wind-resistant frame and LED display screen system, the wind-resistant frame comprises a connecting frame and a supporting frame, the connecting frame is connected with the back side of an LED display screen, the supporting frame comprises a supporting rod, a first connecting rod and a second connecting rod, one end of the first connecting rod is connected with the supporting rod, and the other end of the first connecting rod is connected with the second connecting rod. One end of the first connecting rod is rotatably connected with one side of the connecting frame, the other end of the first connecting rod is rotatably connected with one side of the connecting frame, one end of the second connecting rod is rotatably connected with the supporting rod, a first connecting part is arranged at the end, away from the supporting rod, of the second connecting rod, and a second connecting part detachably connected with the first connecting part is arranged on the other side of the connecting frame; the LED display screen system comprises an LED display screen and the wind-resistant frame, and the LED display screen is detachably connected with a connecting frame of the wind-resistant frame through a first locking structure and a second locking structure. The wind-resistant frame can be folded on the back surface of the LED display screen, so that the occupied space is reduced, the wind-resistant frame is convenient to transport, assemble and disassemble, and the assembly time of the LED display screen system is shortened.

Description

Technical Field

[0001] The utility model relates to the field of LED display screens, and particularly relates to a quick-foldable wind-resistant frame and an LED display screen system. Background Art

[0002] At present, large-area LED display screens are usually formed by splicing multiple splicing units together. However, the connection strength between the splicing units is limited, and it is difficult to ensure the splicing reliability of the entire LED display screen. Especially for outdoor LED display screens, they are challenged by natural environments such as wind and rain all year round. For this problem, the current solutions in the industry include setting up one or more wind-resistant frames for supporting the splicing units.

[0003] Generally, the wind-resistant frame and the LED display screen are two separate components. When in use, the wind-resistant frame needs to be installed on the LED display screen first, and the assembly time is relatively long. In addition, after the wind-resistant frame is installed on the LED display screen, the overall occupied space is large, which is not convenient for transportation. After use, the wind-resistant frame needs to be disassembled from the LED display screen and then transported separately, increasing the transportation cost. Summary of the Utility Model

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a quick-foldable wind-resistant frame and an LED display screen system to solve the problems of long assembly time and large occupied space between the existing LED display screen and the wind-resistant frame.

[0005] The technical solution adopted by the utility model to solve its technical problems is as follows:

[0006] A quick-foldable wind-resistant frame for supporting an LED display screen, comprising a connecting frame and a supporting frame. The connecting frame is connected to the back side of the LED display screen. The supporting frame includes a supporting rod, a first connecting rod, and a second connecting rod. One end of the first connecting rod is connected to the supporting rod, and the other end of the first connecting rod is rotatably connected to one side of the connecting frame. One end of the second connecting rod is rotatably connected to the supporting rod, and a first connecting portion is provided at the end of the second connecting rod away from the supporting rod. A second connecting portion detachably connected to the first connecting portion is provided on the other side of the connecting frame;

[0007] When the first connecting rod rotates around its connection with the connecting frame, it drives the supporting rod to move away from or close to the LED display screen. When the supporting rod moves away from the LED display screen, rotate the second connecting rod and connect the first connecting portion and the second connecting portion to make the wind-resistant frame in an open state; disassemble the connection between the first connecting portion and the second connecting portion and rotate the second connecting rod, and rotate the first connecting rod to make the supporting rod close to the LED display screen to make the wind-resistant frame in a folded state.

[0008] As a further improvement of the above technical solution, the first connecting portion includes a first connecting block, and a first pin hole is provided on the first connecting block. The second connecting portion includes a first hinge seat and a first quick-release pin. A second pin hole is provided on the first hinge seat. When the second connecting rod rotates to make the first pin hole and the second pin hole coaxial, the first quick-release pin penetrates through the first pin hole and the second pin hole.

[0009] As a further improvement of the above technical solution, the first hinge seat includes a seat body and two oppositely arranged lugs provided on the seat body. A second pin hole is provided on each of the two lugs, and the two second pin holes are coaxially arranged. A card slot for accommodating the first connecting block is formed between the two lugs.

[0010] As a further improvement of the above technical solution, a second connecting block is provided on one side of the second connecting rod close to the support rod. A third pin hole is provided on the second connecting block. When the wind-resistant frame is in a folded state, the second connecting block is embedded in the card slot, the third pin hole is coaxial with the second pin hole, and the first quick-release pin penetrates through the second pin hole and the third pin hole.

[0011] As a further improvement of the above technical solution, the first connecting rod and the support rod are connected by a first fixing sleeve, and the first fixing sleeve is fixedly connected to the support rod; the first connecting rod and the connecting frame are rotatably connected by a hinge structure. The hinge structure includes a second hinge seat, a third connecting block and a second quick-release pin. The second hinge seat is fixedly connected to the LED display screen. The third connecting blocks are provided at the ends of the first connecting rod. Fourth pin holes and fifth pin holes are respectively provided on the second hinge seat and the third connecting block, and the second quick-release pin penetrates through the fourth pin hole and the fifth pin hole.

[0012] As a further improvement of the above technical solution, the second connecting rod and the support rod are connected by a second fixing sleeve, and the second fixing sleeve is rotatably connected to the support rod. Limiting sleeves are fixedly connected to both sides of the support rod where the second fixing sleeve is located.

[0013] As a further improvement of the above technical solution, a plurality of first connecting rods and second connecting rods are provided, and the first connecting rods and the second connecting rods are arranged alternately in the vertical direction.

[0014] The technical solution adopted by the present utility model to solve its technical problems is:

[0015] An LED display screen system includes an LED display screen and the wind-resistant frame, and the LED display screen and the connecting frame of the wind-resistant frame are detachably connected by a first locking structure and a second locking structure.

[0016] As a further improvement of the above technical solution, the first locking structure includes a indexing pin disposed on the connecting frame and a locking pin hole disposed on the back side of the LED display screen. After the connecting frame and the LED display screen are assembled, the indexing pin is connected to the locking pin hole.

[0017] As a further improvement of the above technical solution, the second locking structure includes an elastic fastener disposed on the connecting frame and a clamping member disposed on the back side of the LED display screen. After the connecting frame and the LED display screen are assembled, the elastic fastener is snap-connected to the clamping member.

[0018] The beneficial effects of the present utility model are as follows:

[0019] In the present utility model, the wind-resistant frame is disposed on the back side of the LED display screen. The support rod is driven away from or close to the LED display screen by the first connecting rod to realize the opening and folding of the wind-resistant frame. The position of the wind-resistant frame is fixed by the arrangement of the second connecting rod. In the present utility model, the wind-resistant frame can be folded on the back side of the LED display screen, which reduces the occupied space and is convenient for transportation. In addition, the support frame and the connecting frame are connected by a first quick-release pin, and the connecting frame and the LED display screen are connected by an indexing pin structure and a snap structure, which is convenient for installation and disassembly and reduces the assembly time of the LED display screen system. Description of the Drawings

[0020] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0021] Figure 1 is the assembly schematic diagram of the LED display system in the embodiment of the present utility model Figure 1 ;

[0022] Figure 2 is the assembly schematic diagram of the LED display system in the embodiment of the present utility model Figure 2 ;

[0023] Figure 3 is the schematic diagram of the opened state of the wind-resistant frame in the embodiment of the present utility model;

[0024] Figure 4 is the schematic diagram of the folded state of the wind-resistant frame in the embodiment of the present utility model;

[0025] Figure 5 is the schematic diagram of the state change of the wind-resistant frame in the top view in the embodiment of the present utility model;

[0026] Figure 6 is the schematic diagram of the first locking structure in the embodiment of the present utility model;

[0027] Figure 7 is the schematic diagram of the second locking structure in the embodiment of the present utility model;

[0028] Figure 8 is a schematic diagram of the hinge structure in the embodiment of the present utility model;

[0029] Figure 9 is a connection schematic diagram of the first connection part and the second connection part in the embodiment of the present utility model;

[0030] Figure 10 is a schematic diagram of the structure of the first connection part in the embodiment of the present utility model.

[0031] Reference numerals: 100, LED display screen; 200, wind-resistant frame; 210, connecting frame; 220, support frame; 221, support rod; 222, first connecting rod; 223, hinge structure; 2231, second hinge seat; 2232, second quick-release pin; 2233, third connection block; 224, second connecting rod; 225, first connection block; 2251, first pin hole; 2252, guide groove; 226, first hinge seat; 2261, seat body; 2262, lug; 227, first quick-release pin; 228, second connection block; 229, first fixing sleeve; 2210, second fixing sleeve; 2211, limiting sleeve; 230, first locking structure; 231, indexing pin; 240, second locking structure; 241, clamping part; 242, elastic fastener. Detailed implementation manners

[0032] The following will clearly and completely describe the concept, specific structure and technical effects generated by the present utility model in combination with the embodiments and the drawings, so as to fully understand the purpose, features and effects of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, other embodiments obtained by those skilled in the art without creative efforts shall fall within the scope of protection of the present utility model. In addition, all the connection / connection relationships involved in the patent do not simply refer to the direct connection of components, but refer to the more optimal connection structure that can be formed by adding or reducing connection accessories according to the specific implementation situation. For example, fixed connection / fixed installation can select screw connection, bolt connection, pin connection, key connection, bonding, mortise and tenon connection, welding, riveting, etc. as needed. For example, detachable connection can select screw connection, bolt connection, threaded connection, snap connection, mortise and tenon connection, magic tape connection, etc. as needed. Each technical feature in the present utility model can be combined interactively on the premise of not conflicting with each other.

[0033] Refer to Figure 3 , Figure 4 and Figure 5, an embodiment of the present utility model provides a quick - folding wind - resistant frame 200, which is used to support the LED display screen 100 and play a role in wind resistance and stability. The wind - resistant frame 200 includes a connecting frame 210 and a supporting frame 220. The connecting frame 210 is connected to the back side of the LED display screen 100. The supporting frame 220 includes a supporting rod 221, a first connecting rod 222 and a second connecting rod 224. One end of the first connecting rod 222 is connected to the supporting rod 221, and the other end of the first connecting rod 222 is rotatably connected to one side of the connecting frame 210. One end of the second connecting rod 224 is rotatably connected to the supporting rod 221, and a first connecting portion is provided at the end of the second connecting rod 224 away from the supporting rod 221. A second connecting portion detachably connected to the first connecting portion is provided on the other side of the connecting frame 210.

[0034] When the first connecting rod 222 rotates around its connection with the connecting frame 210, it drives the supporting rod 221 to move away from or close to the LED display screen 100 to realize the opening and folding of the wind - resistant frame 200. Specifically, when opening the wind - resistant frame 200, rotate the first connecting rod 222 (the rotation angle is greater than 60°), and then rotate the second connecting rod 224 and connect the first connecting portion and the second connecting portion, so that the wind - resistant frame 200 is fixed in the open state; when folding the wind - resistant frame 200, disconnect the connection between the first connecting portion and the second connecting portion, rotate the second connecting rod 224 in the opposite direction, and then rotate the first connecting rod 222 in the opposite direction, so that both the first connecting rod 222 and the second connecting rod 224 are parallel to the LED display screen 100, so that the wind - resistant frame 200 is folded on the back side of the LED display screen 100.

[0035] In this embodiment, referring to Figure 9 and Figure 10 , the first connecting portion includes a first connecting block 225, and a first pin hole 2251 is provided on the first connecting block 225. The second connecting portion includes a first hinge seat 226 and a first quick - release pin 227. A second pin hole is provided on the first hinge seat 226. When the second connecting rod 224 rotates until the first pin hole 2251 and the second pin hole are coaxial, the first quick - release pin 227 passes through the first pin hole 2251 and the second pin hole, so that the first connecting block 225 and the first hinge seat 226 are connected together, realizing the fixation of the second connecting rod 224 after the wind - resistant frame 200 is opened.

[0036] Further, the first hinge seat 226 includes a seat body 2261 and two oppositely arranged lugs 2262 provided on the seat body 2261. A second pin hole is provided on each of the two lugs 2262, and the two second pin holes are coaxially arranged. A clamping groove for accommodating the first connection block 225 is formed between the two lugs 2262. The positioning of the first connection block 225 is achieved through the clamping groove, facilitating the quick positioning of the first pin hole 2251 and the second pin hole, and playing a supporting role for the first connection block 225, thereby improving the stability of the second connecting rod 224 after being fixed in position.

[0037] In this embodiment, a second connection block 228 is provided on the side of the second connecting rod 224 close to the support rod 221. A third pin hole is provided on the second connection block 228. When the wind-resistant frame 200 is in the folded state in this embodiment, the second connection block 228 is embedded in the clamping groove, the third pin hole is coaxially arranged with the second pin hole, and the first quick-release pin 227 is inserted through the second pin hole and the third pin hole, so that the second connection block 228 is connected to the first hinge seat 226, realizing the fixation of the second connecting rod 224 after the wind-resistant frame 200 is folded, that is, keeping the wind-resistant frame 200 in the folded state and not being accidentally opened by an external force. When it is necessary to open the wind-resistant frame 200, first open the first quick-release pin 227 to disconnect the second connection block 228 from the first hinge seat 226, and then the first connecting rod 222 can be rotated to quickly open the wind-resistant frame 200.

[0038] In a preferred embodiment, referring to Figure 10 , a guiding groove 2252 communicating with the first pin hole 2251 is provided on the first connection block 225, and the guiding groove 2252 is inclined, so as to facilitate the first quick-release pin 227 to be quickly inserted into the first pin hole 2251; similarly, a guiding groove 2252 communicating with the third pin hole is also provided on the second connection block 228.

[0039] In this embodiment, the first connecting rod 222 and the support rod 221 are connected through a first fixing sleeve 229, and the first fixing sleeve 229 is fixedly connected to the support rod 221; the first connecting rod 222 and the connecting frame 210 are rotatably connected through a hinge structure 223, referring to Figure 8, the hinge structure 223 includes a second hinge seat 2231, a third connection block 2233, and a second quick-release pin 2232. The second hinge seat 2231 is fixedly connected to the LED display screen 100. The ends of the first connecting rod 222 are each provided with the third connection block 2233. The second hinge seat 2231 and the third connection block 2233 are respectively provided with a fourth pin hole and a fifth pin hole. The second quick-release pin 2232 is inserted through the fourth pin hole and the fifth pin hole, so that the third connection block 2233 is connected to the second hinge seat 2231, and the third connection block 2233 and the second hinge seat 2231 are rotationally connected based on the second quick-release pin 2232. In this way, when assembling and disassembling the support frame 220 and the connection frame 210, only the second quick-release pin 2232 needs to be inserted or removed, greatly improving the assembly efficiency.

[0040] In this embodiment, the second connecting rod 224 and the support rod 221 are connected by a second fixing sleeve 2210. The second fixing sleeve 2210 is rotationally connected to the support rod 221. On both sides of the second fixing sleeve 2210 on the support rod 221, limit sleeves 2211 are fixedly connected. The two limit sleeves 2211 prevent the second fixing sleeve 2210 from displacing in the vertical direction, improving the stability of the second connecting rod 224.

[0041] In this embodiment, a plurality of the first connecting rods 222 and the second connecting rods 224 are provided, and the first connecting rods 222 and the second connecting rods 224 are arranged alternately in the vertical direction, which can improve the stability of the structure of the wind-resistant frame 200 and enhance the wind-resistant effect.

[0042] Refer to Figure 1 and Figure 2 , an embodiment of the present invention provides an LED display screen system, including an LED display screen 100 and a wind-resistant frame 200. The connection frame 210 between the LED display screen 100 and the wind-resistant frame 200 is detachably connected through a first locking structure 230 and a second locking structure 240.

[0043] In a specific embodiment, refer to Figure 6 , the first locking structure 230 includes a indexing pin 231 provided on the connection frame 210 and a locking pin hole provided on the back side of the LED display screen 100. When the connection frame 210 and the LED display screen 100 are assembled, press the indexing pin 231 to connect with the locking pin hole to realize the installation of the connection frame 210 and the LED display screen 100. When it is necessary to disassemble the connection frame 210 and the LED display screen 100, open the indexing pin 231 to separate it from the locking pin hole. In this way, the assembly of the wind-resistant frame 200 and the LED display screen 100 is simple and fast.

[0044] In a specific embodiment, refer to Figure 7 , the second locking structure 240 includes an elastic fastener 242 disposed on the connecting frame 210 and a clamping member 241 disposed on the back side of the LED display screen 100. After the connecting frame 210 and the LED display screen 100 are assembled, the elastic fastener 242 is snap-connected to the clamping member 241 to realize the installation of the connecting frame 210 and the LED display screen 100. When it is necessary to disassemble the connecting frame 210 and the LED display screen 100, the elastic fastener 242 is opened to separate it from the clamping member 241, so that the assembly of the wind-resistant frame 200 and the LED display screen 100 is simple and fast.

[0045] In this embodiment, a positioning shaft 260 is disposed at the top of the connecting frame 210, and a shaft sleeve 250 is disposed at the bottom of the connecting frame 210. When two LED display screens 100 are assembled in the vertical direction, the positioning shaft 260 is connected to the shaft sleeve 250 to play a role in precise positioning and can also play a buffering role.

[0046] The above is a specific description of the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment. Those skilled in the art can make various equivalent deformations or substitutions without departing from the spirit of the present invention, and these equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A fast foldable wind-resistant frame for supporting an LED display screen, comprising a connecting frame and a supporting frame, wherein the connecting frame is connected to the back side of the LED display screen, and is characterized in that: The support frame includes a support rod, a first connecting rod and a second connecting rod, one end of the first connecting rod is connected to the support rod, the other end of the first connecting rod is rotatably connected to one side of the connecting frame, one end of the second connecting rod is rotatably connected to the support rod, a first connecting portion is provided at one end of the second connecting rod away from the support rod, and a second connecting portion detachably connected to the first connecting portion is provided on the other side of the connecting frame; When the first connecting rod rotates around the connection between it and the connecting frame, it drives the support rod to move away from or closer to the LED display screen. When the support rod is away from the LED display screen, the second connecting rod is rotated and the first connecting part is connected to the second connecting part, so that the wind-resistant frame is in an open state; the first connecting part and the second connecting part are disassembled and the second connecting rod is rotated, and the first connecting rod is rotated to make the support rod close to the LED display screen, so that the wind-resistant frame is in a folded state.

2. The wind-resistant frame according to claim 1, characterized in that: The first connecting part includes a first connecting block, which is provided with a first pin hole. The second connecting part includes a first hinge seat and a first quick-release pin, which is provided with a second pin hole. When the second connecting rod is rotated until the first pin hole and the second pin hole are coaxial, the first quick-release pin is passed through the first pin hole and the second pin hole.

3. The wind-resistant frame according to claim 2, characterized in that: The first hinge seat includes a seat body and two oppositely arranged lugs on the seat body, each of the two lugs is provided with a second pin hole, and the two second pin holes are coaxially arranged, and a slot for accommodating the first connecting block is formed between the two lugs.

4. The wind-resistant frame according to claim 3, characterized in that: A second connecting block is provided on one side of the second connecting rod close to the support rod, and a third pin hole is provided on the second connecting block. When the wind-resistant frame is in a folded state, the second connecting block is embedded in the slot, the third pin hole is coaxial with the second pin hole, and the first quick-release pin is passed through the second pin hole and the third pin hole.

5. The wind-resistant frame according to claim 1, characterized in that: The first connecting rod and the supporting rod are connected via a first fixing sleeve, and the first fixing sleeve is fixedly connected to the supporting rod; the first connecting rod and the connecting frame are rotatably connected via a hinge structure, and the hinge structure includes a second hinge seat, a third connecting block and a second quick-release pin, and the second hinge seat is fixedly connected to the LED display screen, and the third connecting block is provided at the end of the first connecting rod, and a fourth pin hole and a fifth pin hole are respectively provided on the second hinge seat and the third connecting block, and the second quick-release pin is passed through the fourth pin hole and the fifth pin hole.

6. The wind-resistant frame according to claim 1, characterized in that: The second connecting rod is connected to the support rod via a second fixing sleeve, the second fixing sleeve is rotatably connected to the support rod, and both sides of the support rod located on the second fixing sleeve are fixedly connected with limiting sleeves.

7. The wind-resistant frame according to claim 1, characterized in that: A plurality of the first connecting rods and the second connecting rods are provided, and the first connecting rods and the second connecting rods are staggered in the vertical direction.

8. An LED display screen system, characterized in that: It comprises an LED display screen and the wind-resistant frame according to any one of claims 1 to 7, wherein the LED display screen and the connecting frame of the wind-resistant frame are detachably connected via a first locking structure and a second locking structure.

9. The LED display screen system according to claim 8, characterized in that: The first locking structure includes an indexing pin arranged on the connecting frame and a locking pin hole arranged on the back side of the LED display screen. When the connecting frame and the LED display screen are assembled, the indexing pin is connected to the locking pin hole.

10. The LED display screen system according to claim 8, characterized in that: The second locking structure includes an elastic fastener disposed on the connecting frame and a clamping member disposed on the back side of the LED display screen. When the connecting frame and the LED display screen are assembled, the elastic fastener is clamped and connected with the clamping member.

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