Adjusting device and seat armrest applying same
By designing an adjustment device including a fixed module and a rotary module, the push rod motor drives the movable bracket and cooperates with the mechanical limit, the problem of large space and high cost of the existing folding handrail rotary module is solved, and the effect of space saving and cost reduction is achieved.
Patent Information
- Application Number
- CN202420525774.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-18
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-03-18
AI Technical Summary
The rotation modules of existing folding handrails usually use complex mechanical rotation mechanisms, which take up a large space and high production cost.
An adjustment device is designed, including a fixed module and a rotating module. The movable bracket is driven by a push rod motor to cooperate with the mechanical limit to realize the opening and closing of the handrail body, reducing complex mechanical structures and reducing costs.
The effect of reducing space occupation and reducing production costs is achieved, while simplifying the mechanical structure and improving production efficiency.
Smart Images

Figure CN222819954U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile accessories, in particular to an adjusting device and a seat armrest applied thereto. Background Art
[0002] The vehicle seat armrest is an important part of the vehicle seat. It can improve the safety and comfort of passengers when riding in the vehicle, including fixed armrests, adjustable armrests, folding armrests and rotating armrests. Among them, the folding armrests can be folded up when not in use to save seat space. At present, the rotation module of the folding armrest generally uses a screw motor connected to a complex mechanical rotation mechanism to realize the rotation of the folding armrest, which occupies a large space and has a high production cost. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides an adjustment device, including a fixed module and a rotating module, the rotating module is installed on the fixed module, the fixed module includes a fixed base, a mechanical limit, a push rod motor bracket and a bearing, the mechanical limit, the push rod motor bracket and the bearing are installed on the fixed base, the rotating module includes a rotating bracket, a movable bracket and a push rod motor, the push rod motor drives the movable bracket and the rotating bracket to rotate.
[0004] Preferably, the fixed base comprises a supporting portion and a fixing portion, the supporting portion is provided with a bearing hole corresponding to the bearing, and the bearing hole is used for installing the bearing.
[0005] Preferably, the mechanical limiter is arranged at the connection between the supporting part and the fixing part.
[0006] Preferably, an axial hole is provided on the push rod motor bracket, and the push rod motor is connected to the push rod motor bracket via a second connecting shaft.
[0007] Preferably, the telescopic rod of the push rod motor is connected to the movable bracket via a first connecting shaft.
[0008] Preferably, a fixing hole is provided at the outer end of the rotating bracket, and the fixing hole is a threaded hole.
[0009] Preferably, the movable bracket is provided with a connecting hole, and the connecting hole is used for installing the first connecting shaft.
[0010] Preferably: the movable bracket is further provided with a screw hole, the screw hole is connected to the rotating bracket mounting hole, and the rotating bracket mounting hole is used for inserting the rotating bracket.
[0011] Preferably, a first limit block is provided on one side wall of the movable bracket, a second limit block is provided on the other side wall of the movable bracket, and an outer wall of the movable bracket located between the first limit block and the second limit block is in an arc shape.
[0012] An armrest comprises an armrest body, a side end of the armrest body is provided with a mounting hole corresponding to a rotating bracket, the armrest body is fixedly connected to the rotating bracket, and the armrest body is adjusted to be in an open or closed state through a rotating module.
[0013] Technical effects and advantages of the utility model:
[0014] The adjusting device in the utility model is driven by a push rod motor, which can reduce the occupied space. The push rod motor drives the movable bracket to cooperate with the mechanical limit to realize the opening and closing of the armrest body, reduce the complex mechanical structure, and reduce the production cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a schematic diagram of the structure of the regulating device provided in an embodiment of the present application;
[0016] Figure 2 is an exploded view of the regulating device provided in an embodiment of the present application;
[0017] Figure 3 is a schematic diagram of the structure of a movable bracket in an adjustment device provided in an embodiment of the present application;
[0018] Figure 4 is a rear view of the movable bracket in the adjustment device provided in the embodiment of the present application;
[0019] Figure 5 It is a schematic diagram of the installation structure of the seat armrest provided in an embodiment of the present application.
[0020] In the figure: 1. armrest body; 2. rotating bracket; 21. fixing hole; 3. fixing base; 31. supporting part; 32. fixing part; 311. bearing hole; 4. mechanical limit; 5. movable bracket; 51. connecting hole; 52. first limit block; 53. second limit block; 54. screw hole; 55. rotating bracket mounting hole; 6. push rod motor; 7. push rod motor bracket; 8. bearing; 9. first connecting shaft; 10. second connecting shaft. DETAILED DESCRIPTION
[0021] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.
[0022] See also Figures 1-2In this embodiment, an adjustment device is provided, including a fixed module and a rotating module, the rotating module is installed on the fixed module, the fixed module includes a fixed base 3, a mechanical limit 4, a push rod motor bracket 7 and a bearing 8, the mechanical limit 4, the push rod motor bracket 7 and the bearing 8 are installed on the fixed base 3, the rotating module includes a rotating bracket 2, a movable bracket 5 and a push rod motor 6, and the push rod motor 6 drives the movable bracket 5 and the rotating bracket 2 to rotate.
[0023] Specifically, the fixed base 3 includes a supporting part 31 and a fixing part 32. The fixing part 32 is provided with a plurality of through holes for fixing the fixing part 32. The supporting part 31 is provided with a bearing hole 311 corresponding to the bearing 8. The bearing hole 311 is used to install the bearing 8. A mechanical limit 4 is provided at the connection between the supporting part 31 and the fixing part 32. One end of the mechanical limit 4 is fixedly connected to the supporting part 31, and the other end of the mechanical limit 4 is fixedly connected to the fixing part 32, which can improve the overall strength of the fixed base 3. A push rod motor bracket 7 is provided at the lower end of the fixing part 32 for installing the push rod motor 6.
[0024] Furthermore, an axial hole is opened on the push rod motor bracket 7, and the push rod motor 6 is connected to the push rod motor bracket 7 via the second connecting shaft 10, so that the push rod motor 6 can rotate along the push rod motor bracket 7.
[0025] The telescopic rod of the push rod motor 6 is connected to the movable bracket 5 through the first connecting shaft 8. When the push rod motor 6 is extended and retracted, it can drive the movable bracket 5 to rotate, thereby realizing the rotation of the rotating bracket 2. A fixing hole 21 is opened at the outer end of the rotating bracket 2, and the fixing hole 21 is a threaded hole.
[0026] See also Figures 3-4 The movable bracket 5 is provided with a connecting hole 51, and the connecting hole 51 is used to install the first connecting shaft 8. The movable bracket 5 is also provided with a screw hole 54, and the screw hole 54 is connected to the rotating bracket mounting hole 55. The rotating bracket mounting hole 55 is used to insert the rotating bracket 2. A first limit block 52 is provided on one side wall of the movable bracket 5, and a second limit block 53 is provided on the other side wall of the movable bracket 5. The outer wall of the movable bracket 5 located between the first limit block 52 and the second limit block 53 is in an arc shape. After the movable bracket 5 is installed, the mechanical limit 4 is located between the first limit block 52 and the second limit block 53. When the push rod motor 6 contracts, the movable bracket 5 rotates clockwise, the first limit block 52 is attached to the lower end surface of the mechanical limit 4, and the movable bracket 5 is in an open state. When the push rod motor 6 extends, the movable bracket 5 rotates counterclockwise, the second limit block 53 is attached to the upper end surface of the mechanical limit 4, and the movable bracket 5 is in a closed state.
[0027] Specifically, the push rod motor 6 is connected to the rotating bracket 2 through the first connecting shaft 9, the bearing 8 is installed in the bearing hole 311, the rotating bracket 2 is inserted into the connecting hole 51, the screw is inserted into the screw hole 54 and tightened in the fixing hole 21, the rotating bracket 2 and the movable bracket 5 are fixed, the push rod motor 6 is assembled with the push rod motor bracket 7 through the second connecting shaft 10, and the rotating module is installed on the fixed module.
[0028] In another embodiment, an armrest is provided, including an armrest body 1, a mounting hole is provided at the side end of the armrest body 1 corresponding to the rotating bracket 2, the armrest body 1 is fixedly connected to the rotating bracket 2, and the armrest body 1 is adjusted to an open or closed state through a rotating module.
[0029] The working principle of the utility model is:
[0030] When the push rod motor 6 is working, the telescopic rod of the push rod motor 6 will push the movable bracket 5 to rotate counterclockwise, and the rotating bracket 2 will drive the armrest body 1 to rotate. The armrest body 1 is perpendicular to the seat and is in a closed state. At this time, the second limit block 53 is attached to the upper end surface of the mechanical limit 4. When the push rod motor 6 retracts backward, the telescopic rod of the push rod motor 6 pulls back the rotating bracket 2, and the armrest body 1 is parallel to the seat and is in an open state. At this time, the first limit block 52 is attached to the lower end surface of the mechanical limit 4. Through the mechanical limit 4, the first limit block 52 and the second limit block 53 cooperate to limit the movable bracket 5 in the axial direction, and then limit the armrest body 1.
[0031] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.
Claims
1. An adjusting device, comprising a fixed module and a rotating module, characterized in that: The rotating module is mounted on the fixed module, the fixed module comprises a fixed base (3), a mechanical limiter (4), a push rod motor bracket (7) and a bearing (8), the mechanical limiter (4), the push rod motor bracket (7) and the bearing (8) are mounted on the fixed base (3), the rotating module comprises a rotating bracket (2), a movable bracket (5) and a push rod motor (6), and the push rod motor (6) drives the movable bracket (5) and the rotating bracket (2) to rotate; The movable bracket (5) is provided with a connecting hole (51), and the connecting hole (51) is used to install the first connecting shaft (9); The movable bracket (5) is also provided with a screw hole (54), the screw hole (54) is connected to the rotating bracket mounting hole (55), and the rotating bracket mounting hole (55) is used for inserting the rotating bracket (2); A first limit block (52) is provided on one side wall of the movable bracket (5), a second limit block (53) is provided on the other side wall of the movable bracket (5), and an outer wall of the movable bracket (5) located between the first limit block (52) and the second limit block (53) is in an arc shape.
2. The adjusting device according to claim 1, characterized in that: The fixed base (3) comprises a supporting portion (31) and a fixing portion (32); the supporting portion (31) is provided with a bearing hole (311) corresponding to the bearing (8); the bearing hole (311) is used for installing the bearing (8).
3. An adjustment device according to claim 2, characterized in that: The mechanical limiter (4) is arranged at the connection between the supporting part (31) and the fixing part (32).
4. The adjusting device according to claim 1, characterized in that: The push rod motor bracket (7) is provided with an axial hole, and the push rod motor (6) is connected to the push rod motor bracket (7) via a second connecting shaft (10).
5. The adjusting device according to claim 4, characterized in that: The telescopic rod of the push rod motor (6) is connected to the movable bracket (5) via a first connecting shaft (9).
6. The adjusting device according to claim 1, characterized in that: The outer end of the rotating bracket (2) is provided with a fixing hole (21), and the fixing hole (21) is a threaded hole.
7. A chair armrest, characterized in that: It comprises an armrest body (1) and an adjusting device according to any one of claims 1 to 6, wherein a mounting hole is provided at the side end of the armrest body (1) corresponding to the rotating bracket (2), the armrest body (1) is fixedly connected to the rotating bracket (2), and the armrest body (1) is adjusted to be in an open or closed state through a rotating module.