Novel angle regulator

By designing the switching state of the limiting block within the limiting hole, the structure of the chair angle adjuster is simplified, solving the problems of numerous parts and high cost in existing technologies, and realizing step-by-step angle adjustment and stable backrest maintenance.

CN223489395UActive Publication Date: 2025-10-31YONGKANG XUANQI METAL STAMPING FACTORY
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Patent Information

Application Number
CN202423309561.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-10-31
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing chair angle adjusters have complex structures, many parts, and high costs, and are difficult to prevent the backrest from being in a non-horizontal state during use.

Method used

A novel angle adjuster is designed, comprising a first rotating component and a second rotating component. By switching the limit block in different states within the limit hole, the rotating component can be adjusted and reset step by step. The limit block is pushed to slide on the adjusting teeth by a spring and an arc-shaped part, simplifying the structure.

Benefits of technology

It enables step-by-step adjustment and reset of the rotating component angle, reduces the number of parts, lowers costs, and can easily prevent the backrest from remaining in a non-horizontal state.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of angle adjusting accessories, and particularly relates to a novel angle adjuster which comprises a first rotating piece and a second rotating piece rotationally connected with the first rotating piece, a first rotating part is formed at one end of the first rotating piece, a second rotating part is formed at one end of the second rotating piece, and a rotating shaft is arranged between the first rotating part and the second rotating part. A limiting hole is formed in the first rotating part, a limiting block is movably arranged in the limiting hole, a spring is connected between one end of the limiting block and the limiting hole in an abutting mode, an arc-shaped rotating hole is formed in the second rotating part, a plurality of adjusting tooth parts for clamping the limiting block are formed on one side of the arc-shaped rotating hole, and a first limiting groove and a second limiting groove are formed in the limiting hole. By means of the design of the limiting block, step-by-step adjustment of the angle of the rotating piece and angle reset of the rotating piece can be achieved by controlling the different positions of the limiting block, the number of parts is small, the structure is simple, and cost is low.
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Description

Technical Field

[0001] This utility model relates to the field of angle adjustment accessories technology, and specifically to a new type of angle adjuster. Background Technology

[0002] Existing chairs can adjust the angle between the backrest and the seat using an angle adjuster installed on the chair. During the manufacturing process, the angle adjuster needs to adjust the backrest to a horizontal position (180 degrees between the backrest and the seat) to save as much loading space as possible. However, during consumer use, the backrest generally does not need to be in a horizontal position. Therefore, the angle adjuster needs to be able to restrict the backrest during use so that it does not return to a horizontal position.

[0003] For example, Chinese invention, publication number CN114431659A, discloses an angle adjustment accessory and a legless chair or sofa using the angle adjustment accessory. By using a claw control component, the gear part of the second component is disengaged from the tooth surface of the claw component, resulting in a relatively complex overall structure, a large number of parts, and a high cost. Therefore, further improvements to the mechanism are needed. Utility Model Content

[0004] The purpose of this invention is to provide a novel angle adjuster that solves the problem of complex existing structures through a reasonable structural design.

[0005] The purpose of this utility model is achieved as follows: A novel angle adjuster includes a rotating component one and a rotating component two rotatably connected thereto. One end of the rotating component one is formed with a rotating part one, and one end of the rotating component two is formed with a rotating part two. A rotating shaft is provided between the rotating part one and the rotating part two. A limiting hole is opened in the rotating part one, and a limiting block is movably arranged in the limiting hole. A spring abuts between one end of the limiting block and the limiting hole. An arc-shaped rotating hole is opened in the rotating part two. A plurality of adjusting teeth for the limiting block to be engaged are formed on one side of the arc-shaped rotating hole. A limiting groove one and a limiting groove two are respectively formed in the limiting hole to allow the limiting block to switch between a first state and a second state.

[0006] When the limit block is in the first state, the limit block is locked in the limit groove and the limit block meshes with the adjusting teeth.

[0007] When the limit block is in the second state, the limit block is locked in the second limit groove, and the limit block is separated from the adjusting teeth.

[0008] Preferably, the side of the limiting block is formed with a recess for the spring to abut against.

[0009] Preferably, the lower end face of the limiting block is formed with a recessed portion two.

[0010] Preferably, one side of the adjusting teeth is provided with an arc-shaped part for pushing the limiting block to move, so that the limiting block switches from the first state to the second state.

[0011] Preferably, the other side of the adjusting teeth is provided with an arc-shaped part two for pushing the limiting block to move, so that the limiting block switches from the second state to the first state.

[0012] Preferably, the adjusting teeth include a sliding inclined surface and a check surface.

[0013] Preferably, a protective cover is installed on the outer side of the rotating component.

[0014] The outstanding and beneficial technical effects of this utility model compared to the prior art are:

[0015] This utility model, through the design of a limiting block, can achieve step-by-step adjustment of the angle of the rotating component and the angle reset of the rotating component by controlling the different positions of the limiting block. It has few parts, simple structure, and low cost. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure in Embodiment 1 of this application. Figure 1 .

[0017] Figure 2 This is a schematic diagram of the structure in Embodiment 1 of this application. Figure 2 .

[0018] Figure 3 This is a schematic diagram of the structure in Embodiment 1 of this application. Figure 3 .

[0019] Figure 4 This is a schematic diagram of the structure in Embodiment 1 of this application. Figure 4 .

[0020] Figure 5 This is a schematic diagram of the rotating component in Embodiment 1 of this application.

[0021] Figure 6 This is a schematic diagram of the limit block.

[0022] Figure 7 This is a schematic diagram of the structure in Embodiment 2 of this application. Figure 1 .

[0023] Figure 8 This is a schematic diagram of the structure in Embodiment 2 of this application. Figure 2 .

[0024] Figure 9 This is a schematic diagram of the structure in Embodiment 2 of this application. Figure 3 .

[0025] Figure 10This is a three-dimensional structural diagram of the present invention.

[0026] Reference numerals in the attached drawings: 1-Rotating component one; 2-Rotating component two; 3-Rotating shaft; 4-Limiting hole; 5-Limiting block; 6-Spring; 7-Arc-shaped rotating hole; 8-Adjusting gear; 9-Limiting groove one; 10-Limiting groove two; 11-Recess one; 12-Recess two; 13-Arc-shaped part one; 14-Arc-shaped part two; 15-Sliding inclined surface; 16-Check surface; 17-Rotating part one; 18-Rotating part two; 19-Cover. Detailed Implementation

[0027] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0028] Example 1:

[0029] like Figure 1-6 As shown, a novel angle adjuster includes a rotating component 1 and a rotating component 2 rotatably connected thereto. One end of the rotating component 1 has a rotating part 17, and one end of the rotating component 2 has a rotating part 2 18. A rotating shaft 3 is provided between the rotating part 17 and the rotating part 2 18 to achieve a rotatable connection between them. A limiting hole 4 is provided in the rotating part 17, and a limiting block 5 is movably provided in the limiting hole 4. A spring 6 abuts against one end of the limiting block 5 and the limiting hole 4. An arc-shaped rotating hole 7 is provided in the rotating part 2 18, located on the upper side of the rotating part 2 18. Several adjusting teeth 8 are formed on one side of the arc-shaped rotating hole 7 for the limiting block 5 to engage, thereby achieving step-by-step adjustment of the rotating component. A limiting groove 1 9 and a limiting groove 2 10 are respectively formed in the limiting hole 4 to allow the limiting block 5 to switch between a first state and a second state.

[0030] In actual use, when the limiting block 5 is in the first state, one end of the limiting block 5 is locked in the limiting groove 9. At this time, the limiting block 5 is engaged with the adjusting tooth 8. When the rotating part is rotated, the limiting block 5 will slide on the end face of the adjusting tooth 9 and be locked into the tooth groove of the adjusting tooth 9 one by one. The rotating part can only rotate in one direction to adjust the angle.

[0031] When the limit block 5 is pushed to the second state, the limit block 5 is locked in the limit groove 10. At this time, the limit block 5 is separated from the adjusting tooth 8, and the limit block 5 and the adjusting tooth 8 are no longer engaged. The rotating part can rotate in any direction to reset.

[0032] This utility model, through the design of a limiting block, can achieve step-by-step adjustment of the angle of the rotating component and the angle reset of the rotating component by controlling the different positions of the limiting block. It has few parts, simple structure, and low cost.

[0033] Combination Figure 5 and Figure 6 The side of the limiting block 5 is formed with a recess 11 for the spring 6 to abut against, which can prevent the spring 6 from slipping off the limiting block 5, always maintain the application of elastic force on the limiting block so that it slides on the adjusting tooth 8, and keep it locked in the limiting groove 9 or the limiting groove 10 when there is no force.

[0034] Combination Figure 5 and Figure 6 The lower end face of the limiting block 5 is formed with a recess 12, which can prevent the limiting block 5 from slipping out of the limiting hole 4.

[0035] Combination Figure 2 and Figure 3 The adjusting tooth 8 has an arc-shaped part 13 on one side for pushing the limiting block 5 to move. When the rotating part 2 rotates clockwise to the maximum angle or the set angle, the arc-shaped part 13 will abut against the side of the limiting block 5, thereby pushing the limiting block 5 to move, so that the limiting block 5 switches from the first state to the second state. At this time, the limiting block 5 separates from the adjusting tooth 8 and can rotate in the opposite direction.

[0036] Combination Figure 3 and Figure 4 On the other side of the adjusting tooth 8, there is an arc-shaped part 2 14 for pushing the limit block 5 to move. When the rotating part 2 rotates counterclockwise to the set angle, the arc-shaped part 2 14 will abut against the side of the limit block 5, thereby pushing the limit block 5 to move, so that the limit block 5 switches from the second state to the first state. At this time, the limit block 5 re-engages with the adjusting tooth 8, and can perform step-by-step angle adjustment.

[0037] This technical solution, through the design of arc-shaped part one and arc-shaped part two, enables the limit block to automatically switch to the first state or the second state during the rotation of the rotating component, making adjustment and operation convenient.

[0038] The adjusting tooth 8 includes a sliding inclined surface 15 and a check surface 16. When the limiting block 5 engages with the adjusting tooth 8, it can maintain unidirectional movement and cannot rotate in the opposite direction, making angle adjustment convenient.

[0039] See details Figure 10 The outer side of the rotating component is equipped with a protective cover 19 to protect the internal structure.

[0040] Example 2:

[0041] The structure of this embodiment is basically the same as that of Embodiment 1, except that: see Figures 7-9 The arc-shaped rotating hole 7 is located on the lower side of the rotating part 2 18, thereby changing the setting position of the arc-shaped part 13 and the arc-shaped part 2 14 accordingly, and allowing for adjustment of angles in different directions.

[0042] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A novel angle adjuster, characterized in that, It includes a rotating part one (1) and a rotating part two (2) rotatably connected thereto. One end of the rotating part one (1) is formed with a rotating part one (17), and one end of the rotating part two (2) is formed with a rotating part two (18). A rotating shaft (3) is provided between the rotating part one (17) and the rotating part two (18). A limiting hole (4) is opened in the rotating part one (17). A limiting block (5) is movably arranged in the limiting hole (4). A spring (6) abuts between one end of the limiting block (5) and the limiting hole (4). An arc-shaped rotating hole (7) is opened in the rotating part two (18). A plurality of adjusting teeth (8) for the limiting block (5) to be engaged are formed on one side of the arc-shaped rotating hole (7). A limiting groove one (9) and a limiting groove two (10) are formed in the limiting hole (4) respectively, so that the limiting block (5) can switch between the first state and the second state. When the limiting block (5) is in the first state, the limiting block (5) is locked in the limiting groove (9) and the limiting block (5) meshes with the adjusting tooth (8); When the limiting block (5) is in the second state, the limiting block (5) is locked in the limiting groove (10) and the limiting block (5) is separated from the adjusting tooth (8).

2. The novel angle adjuster according to claim 1, characterized in that: The side of the limiting block (5) is formed with a recess (11) for the spring (6) to abut against.

3. The novel angle adjuster according to claim 1 or 2, characterized in that: The lower end face of the limiting block (5) is formed with a recessed portion two (12).

4. The novel angle adjuster according to claim 1, characterized in that: One side of the adjusting tooth (8) is provided with an arc-shaped part (13) for pushing the limit block (5) to move, so that the limit block (5) switches from the first state to the second state.

5. The novel angle adjuster according to claim 1, characterized in that: The other side of the adjusting tooth (8) is provided with an arc-shaped part (14) for pushing the limit block (5) to move, so that the limit block (5) switches from the second state to the first state.

6. The novel angle adjuster according to claim 1, characterized in that: The adjusting tooth (8) includes a sliding inclined surface (15) and a check surface (16).

7. The novel angle adjuster according to claim 1, characterized in that: A cover (19) is installed on the outside of the rotating part.

Citation Information

Patent Citations

  • Angle adjusting accessory, and legless seat and sofa using angle adjusting accessory

    CN114431659A