Display support balance arm structure

Abstract

The utility model provides a display support balance arm structure which is characterized in that arc-shaped connecting pieces are hinged to middle shaft holes in the front side and the rear side of an extending part of a lower shaft seat, the right ends of a set of arc-shaped connecting pieces are hinged to the extending part, the middle ends of the arc-shaped connecting pieces are hinged to a lower arm shell through linkage pieces, and a U-shaped hinge seat in a spring assembly is hinged between the left ends of the arc-shaped connecting pieces. The spring assembly is hinged to the lower shaft seat and the lower arm shell through a set of arc-shaped connecting pieces to form a six-point positioning structure, the mechanical strength of connection between the spring assembly and the lower shaft seat is improved, the purposes that when the spring assembly is applied to a display support, operation is more stable, bearing force is enhanced are achieved, user experience is better, and the service life of the display support is prolonged. The popularization is convenient.

Description

Technical Field

[0001] The utility model relates to a balance arm structure of a display bracket, belonging to the technical field of display brackets. Background Art

[0002] A monitor stand is a device used to support and install a monitor, usually used to raise the monitor to a suitable height or fix it on a desktop so that users can use the monitor more comfortably. The height adjustment and stable positioning of the height of the monitor stand are achieved through the balance arm in the bracket.

[0003] However, in the prior art, the connection between the spring assembly and the lower shaft seat in the mechanical spring balance arm is usually achieved by using a connecting piece for two-point positioning, that is, one end of the connecting piece is hinged to the spring assembly, and the other end is hinged to the lower shaft seat. This two-point positioning connection method has low mechanical strength and insufficient bearing capacity. Therefore, the utility model proposes a balance arm structure of a display bracket to solve the above problems. Summary of the Utility Model

[0004] Based on the above background, the purpose of the utility model is to provide a balance arm structure of a display bracket to solve the problems in the background art.

[0005] The utility model provides the following technical solutions:

[0006] A balance arm structure of a display bracket includes a lower shaft seat. An extension part is provided at the left end of the lower shaft seat. An upper shaft hole, a middle shaft hole and a lower shaft hole are respectively provided on the extension part from top to bottom. An upper arm shell is hinged in the upper shaft hole through a hinge shaft. A lower arm shell is hinged in the lower shaft hole through a hinge shaft. Arc-shaped connecting pieces are hinged to both ends of the extension part through hinge shafts passing through the middle shaft holes. A first connection hole is provided at the left end of the arc-shaped connecting piece. A spring assembly is hinged in the first connection hole. A second connection hole is formed in the middle of the arc-shaped connecting piece. A linkage is hinged in the second connection hole through a hinge shaft. The end of the linkage far from the hinge with the second connection hole is hinged to the lower arm shell through a hinge shaft. The hinged part of the linkage and the lower arm shell is located on the left side of the hinged part of the lower shaft hole and the lower arm shell.

[0007] Preferably, the spring assembly includes a U-shaped hinge seat located between the arc-shaped connectors and hinged to the first connection holes on the arc-shaped connectors. A through hole is provided on the left side surface of the U-shaped hinge seat, which penetrates the U-shaped hinge seat. A threaded pull rod is inserted into the through hole, and a spring shaft is threadedly connected to the threaded pull rod. The spring shaft is located at the left end of the U-shaped hinge seat. A shaft sleeve is sleeved on the middle part of the spring shaft. A movable plate is provided at the left end of the shaft sleeve on the spring shaft. A limiting ring is fixedly connected to the left end of the movable plate on the spring shaft. A spring body is provided between the movable plate and the U-shaped hinge seat, and the spring body is sleeved outside the shaft sleeve.

[0008] Preferably, an arc-shaped block is sleeved on the left end of the limiting ring on the spring shaft. Contact shafts are provided on the front and rear end surfaces of the arc-shaped block, and insertion plates are provided at the left ends of the contact shafts. The insertion plates are rotatably abutted against the contact shafts, and the right ends of the insertion plates are abutted against the left end surface of the movable plate. The insertion plates are fixedly connected by a connecting plate, and a first hinge hole is provided at the left end of the insertion plate.

[0009] Preferably, an upper shaft seat is hinged to the left end inside the upper arm shell through a hinge shaft. The insertion plates are located between the upper shaft seat and the inner wall of the upper arm shell, and the insertion plates are hinged to both of them by sleeving on the hinge shaft where the upper arm shell and the upper shaft seat are hinged through the first hinge holes.

[0010] Preferably, a second hinge hole is provided below the hinged part of the upper shaft seat and the upper arm shell, and the second hinge hole is hinged to the lower arm shell through a hinge shaft.

[0011] Compared with the prior art, the present utility model has the following advantages:

[0012] In the balance arm structure of a display bracket of the present utility model, arc-shaped connectors are hinged at the positions of the central axis holes on the front and rear sides of the extension part of the lower shaft seat. By using one group of arc-shaped connectors with the right ends hinged to the extension part, the middle parts hinged to the lower arm shell through linkage parts, and the left ends hinged to the U-shaped hinge seat in the spring assembly, the spring assembly in the present utility model is hinged to the lower shaft seat and the lower arm shell through one group of arc-shaped connectors to form a six-point positioning structure, increasing the mechanical strength of the connection between the spring assembly and the lower shaft seat, achieving the purpose of more stable operation and enhanced load-bearing capacity when the present utility model is applied to the display bracket, with better user experience and being convenient for popularization. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without creative efforts.

[0014] Figure 1 is a schematic diagram of the explosion structure of the present utility model;

[0015] Figure 2 is the present utility model Figure 1 enlarged view of part A;

[0016] Figure 3 is a schematic diagram of the lower shaft seat structure of the present utility model;

[0017] Figure 4 is a schematic diagram of the arc-shaped connecting member structure of the present utility model;

[0018] Figure 5 is a schematic diagram of the U-shaped hinge seat structure of the present utility model.

[0019] In the figure: 1. Lower shaft seat; 2. Spring assembly; 201. U-shaped hinge seat; 202. Through hole; 203. Threaded pull rod; 204. Spring shaft; 205. Bush; 206. Movable plate; 207. Limit ring; 208. Spring body; 3. Extension part; 4. Upper shaft hole; 5. Middle shaft hole; 6. Lower shaft hole; 7. Upper arm shell; 8. Lower arm shell; 9. Arc-shaped connecting member; 10. First connecting hole; 11. Second connecting hole; 12. Linking member; 13. Arc-shaped block; 14. Abutting shaft; 15. Insertion plate; 16. Connecting plate; 17. First hinge hole; 18. Upper shaft seat; 19. Second hinge hole. Specific embodiments

[0020] The following are specific examples, and in combination with the accompanying drawings, the technical solutions of the present utility model will be further specifically described. It should be understood that the implementation of the present utility model is not limited to the following examples, and any formal modification and / or change made to the present utility model will fall within the protection scope of the present utility model.

[0021] In the present utility model, unless otherwise specified, all parts and percentages are in weight units, and the equipment and raw materials used can be purchased from the market or are commonly used in the art. The methods in the following examples, unless otherwise specified, are conventional methods in the art. The components or equipment in the following examples, unless otherwise specified, are general standard parts or components known to those skilled in the art, and their structures and principles can all be known by those skilled in the art through technical manuals or through conventional experimental methods.

[0022] The following is a detailed description of the embodiments of the present utility model in combination with the accompanying drawings. In the following detailed description, for the convenience of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the present utility model. However, one or more embodiments can also be implemented by those skilled in the art without these specific details.

[0023] As Figures 1-5As shown in the figure, a balance arm structure of a display bracket includes a lower shaft seat 1. An extension part 3 is provided at the left end of the lower shaft seat 1. An upper shaft hole 4, a middle shaft hole 5 and a lower shaft hole 6 are respectively arranged on the extension part 3 from top to bottom. An upper arm shell 7 is hinged in the upper shaft hole 4 through a hinge shaft. A lower arm shell 8 is hinged in the lower shaft hole 6 through a hinge shaft. Arc-shaped connecting pieces 9 are hinged at both ends of the extension part 3 through the middle shaft hole 5 by hinge shafts. A first connecting hole 10 is provided at the left end of the arc-shaped connecting piece 9. A spring assembly 2 is hinged in the first connecting hole 10. A second connecting hole 11 is formed in the middle of the arc-shaped connecting piece 9. A linkage 12 is hinged in the second connecting hole 11 through a hinge shaft. One end of the linkage 12 away from the hinge with the second connecting hole 11 is hinged to the lower arm shell 8 through a hinge shaft. The hinged part of the linkage 12 and the lower arm shell 8 is located on the left side of the hinged part of the lower shaft hole 6 and the lower arm shell 8.

[0024] In the above technical solution, arc-shaped connecting pieces 9 are hinged at the positions of the middle shaft holes 5 on both the front and back sides of the extension part 3 of the lower shaft seat 1. By using the right end of a group of arc-shaped connecting pieces 9 hinged to the extension part 3, the middle part hinged to the lower arm shell 8 through the linkage 12, and the left ends hinged to the U-shaped hinge seat 201 in the spring assembly 2, the spring assembly 2 in the present invention is hinged to the lower shaft seat 1 and the lower arm shell 8 through a group of arc-shaped connecting pieces 9 to form a six-point positioning structure, increasing the mechanical strength of the connection between the spring assembly 2 and the lower shaft seat 1, achieving the purpose of more stable operation and enhanced bearing capacity when the present invention is applied to a display bracket, with better user experience and being convenient for popularization.

[0025] In the present invention, the spring assembly 2 includes a U-shaped hinge seat 201. The U-shaped hinge seat 201 is located between the arc-shaped connecting pieces 9 and is hinged to the first connecting hole 10 on the arc-shaped connecting piece 9. A through hole 202 is provided on the left side surface of the U-shaped hinge seat 201, and the through hole 202 penetrates the U-shaped hinge seat 201. A threaded pull rod 203 is inserted into the through hole 202. A spring shaft 204 is threadedly connected to the threaded pull rod 203. The spring shaft 204 is located at the left end of the U-shaped hinge seat 201. A shaft sleeve 205 is sleeved on the middle part of the spring shaft 204. A movable plate 206 is provided at the left end of the shaft sleeve 205 on the spring shaft 204. A limit ring 207 is fixedly connected to the left end of the movable plate 206 on the spring shaft 204. A spring body 208 is provided between the movable plate 206 and the U-shaped hinge seat 201, and the spring body 208 is sleeved outside the shaft sleeve 205.

[0026] In the above technical solution, by sleeving a shaft sleeve 205 on the spring shaft 204 and then sleeving the spring body 208 on the shaft sleeve 205 to install the spring body 208, the movement of the spring body 208 will not wear the spring shaft 204. By providing the threaded pull rod 203, the distance between the movable plate 206 and the U-shaped hinge seat 201 can be adjusted, thereby realizing the function of adjusting the spring force, which is convenient for matching the movement of displays with different weights.

[0027] In the present utility model, an arc-shaped block 13 is sleeved on the left end of a limit ring 207 on a spring shaft 204. Contact shafts 14 are provided on the front and rear end faces of the arc-shaped block 13. Plug plates 15 are provided at the left ends of the contact shafts 14. The plug plates 15 are rotationally abutted against the contact shafts 14. The right ends of the plug plates 15 are abutted against the left end face of a movable plate 206. The plug plates 15 are fixedly connected through a connecting plate 16. First hinge holes 17 are provided at the left ends of the plug plates 15. A shaft seat 18 is hinged to the left end inside an upper arm shell 7 through a hinge shaft. The plug plates 15 are located between the shaft seat 18 and the inner wall of the upper arm shell 7. The plug plates 15 are sleeved on the hinge shaft hinged between the upper arm shell 7 and the shaft seat 18 through the first hinge holes 17 to be hinged to both of them. A second hinge hole 19 is provided below the hinged part between the shaft seat 18 and the upper arm shell 7. The second hinge hole 19 is hinged to a lower arm shell 8 through a hinge shaft.

[0028] In the above technical solution, by hinging the plug plates 15 between the upper arm shell 7 and the shaft seat 18, the end of the spring assembly 2 away from the U-shaped hinge seat 201 is positioned.

[0029] In this article, specific examples are used to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be noted that for those of ordinary skill in the art of this technology, without departing from the principle of the present utility model, several improvements and modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. A display stand balance arm structure, characterized in that: The invention comprises a lower shaft seat (1), wherein the left end of the lower shaft seat (1) is provided with an extension portion (3), wherein the extension portion (3) is provided with an upper shaft hole (4), a middle shaft hole (5) and a lower shaft hole (6) from top to bottom, respectively, wherein an upper arm shell (7) is hingedly connected in the upper shaft hole (4) via a hinge shaft, wherein a lower arm shell (8) is hingedly connected in the lower shaft hole (6) via a hinge shaft, wherein both ends of the extension portion (3) are hingedly connected with an arc-shaped connecting member (9) via a hinge shaft passing through the middle shaft hole (5), wherein the left end of the arc-shaped connecting member (9) is provided with a first connecting member (1). A connecting hole (10), a spring assembly (2) is hinged in the first connecting hole (10), a second connecting hole (11) is opened in the middle of the arc-shaped connecting member (9), a linkage member (12) is hinged in the second connecting hole (11) via a hinge shaft, an end of the linkage member (12) away from the hinged end of the second connecting hole (11) is hinged to the lower arm shell (8) via the hinge shaft, and a hinged portion between the linkage member (12) and the lower arm shell (8) is located on the left side of a hinged portion between the lower shaft hole (6) and the lower arm shell (8).

2. A display stand balancing arm structure according to claim 1, characterized in that: The spring assembly (2) comprises a U-shaped hinge seat (201), the U-shaped hinge seat (201) is located between the arc-shaped connecting members (9), and the U-shaped hinge seat (201) is hinged to the first connecting hole (10) on the arc-shaped connecting member (9), a through hole (202) is provided on the left side surface of the U-shaped hinge seat (201), the through hole (202) passes through the U-shaped hinge seat (201), a threaded pull rod (203) is passed through the through hole (202), and a spring shaft (203) is threadedly connected to the threaded pull rod (203). 04), the spring shaft (204) is located at the left end of the U-shaped hinge seat (201), a shaft sleeve (205) is sleeved in the middle of the spring shaft (204), a movable plate (206) is provided at the left end of the shaft sleeve (205) on the spring shaft (204), a limit ring (207) is fixedly connected to the left end of the movable plate (206) on the spring shaft (204), a spring body (208) is provided between the movable plate (206) and the U-shaped hinge seat (201), and the spring body (208) is sleeved on the outside of the shaft sleeve (205).

3. A display stand balancing arm structure according to claim 2, characterized in that: An arc block (13) is sleeved on the left end of the upper limit ring (207) of the spring shaft (204). Abutment shafts (14) are provided on the front and rear end surfaces of the arc block (13). An insert plate (15) is provided on the left end of the abutment shaft (14). The insert plate (15) is rotatably abutted against the abutment shaft (14). The right end of the insert plate (15) abuts against the left end surface of the movable plate (206). The insert plates (15) are fixedly connected by a connecting plate (16). A first hinge hole (17) is provided on the left end of the insert plate (15).

4. A display stand balancing arm structure according to claim 3, characterized in that: The left inner end of the upper arm shell (7) is hingedly connected to an upper shaft seat (18) via a hinge shaft, and the plug plate (15) is located between the upper shaft seat (18) and the inner wall of the upper arm shell (7). The plug plate (15) is sleeved on the hinge shaft of the upper arm shell (7) and the upper shaft seat (18) through a first hinge hole (17) so as to be hingedly connected to the two.

5. A display stand balancing arm structure according to claim 4, characterized in that: A second hinge hole (19) is provided below the hinged portion of the upper shaft seat (18) and the upper arm shell (7), and the second hinge hole (19) is hinged to the lower arm shell (8) via a hinge shaft.

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