Seat armrest angle adjusting mechanism
By designing an armrest angle adjustment mechanism, which uses a combination of screw, locking nut and spring, the problems of inconvenience and poor safety of existing seat armrests are solved. This enables multi-position adjustment and safety locking of the seat armrest, improving its service life and safety.
Patent Information
- Application Number
- CN202520622788.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-02
AI Technical Summary
Existing seat armrest structures suffer from inconvenience and poor safety. Fixed structures are not convenient to use, while multi-position limit adjustment structures are prone to wear and failure after frequent use, resulting in the armrest falling without any limit and poor safety.
Design a seat armrest angle adjustment mechanism, which adopts a combination structure of armrest, fixed seat, screw, locking nut and spring. Through the screw connection with the limit block and the cooperation of the spring, the armrest can be adjusted to multiple angles. The mechanism is locked by the locking block and the angle adjustment groove, replacing the traditional limit plate structure.
It enables convenient adjustment of the seat armrests, improves service life and safety, enhances connection strength, has a simple structure and is easy to operate, and improves the practicality of the car seat.
Smart Images
Figure CN223949033U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle seat technology field especially relates to a seat armrest angle adjusting mechanism. BACKGROUND
[0002] With the development of society and technology, the application of electric drive vehicles is more and more widely, such as old age walking vehicle, etc., the seat of the vehicle is designed with a seat armrest for safety and comfort.
[0003] The seat armrest in the prior art is partly of fixed structure and partly of multi-gear limiting adjustment, the former is inconvenient to use, and the latter is adjusted by directly rotating the armrest, after frequent use, the internal limiting piece is worn out, resulting in failure of the angle adjusting function, causing the armrest to directly fall without limiting, and poor safety. UTILITY MODEL CONTENTS
[0004] In view of the above problems, the utility model provides a seat armrest angle adjusting mechanism which is simple in structure, convenient to adjust, high in reliability, good in safety and long in service life.
[0005] The utility model is realized through the following technical schemes: a seat armrest angle adjusting mechanism, including armrest, fixed seat, screw rod, locking nut, the fixed seat has seat connecting part and armrest connecting part, the fixed seat is fixedly connected on the seat through the seat connecting part, the armrest connecting part has the limit block in the middle part position, the limit block is equipped with the through hole, one end of the screw rod is connected with the armrest, the other end passes through the through hole and is screwed with the locking nut, the locking nut and the limit block are equipped with the spring.
[0006] Further, the inner diameter of the spring is greater than the diameter of the through hole.
[0007] In order to improve the convenience and safety of entry and exit, so as to realize the multi-gear angle adjustment of the seat armrest, the armrest has a handle part and a rotating part, the rotating part has a clamping block, the armrest connecting part of the fixed seat has a plurality of groups of angle adjusting grooves which are consistent in shape with the clamping block, and the armrest is angularly adjustably clamped in the angle adjusting groove through the clamping block.
[0008] In order to cope with the two most commonly used states, as a preferred, the angle adjusting groove has two groups, the two groups of angle adjusting grooves are coaxial and different angles, and the two groups of angle adjusting grooves correspond to the horizontal state of the armrest and the vertical lifting state of the armrest respectively, according to the actual situation, more or less groups of angle adjusting grooves can also be designed.
[0009] In order to improve the connection strength and reliability, the seat connecting part, the armrest connecting part and the limit block are integrally formed.
[0010] The seat armrest angle adjusting mechanism has the advantages that the connecting mechanism composed of the fixed seat with the angle adjusting groove, the screw rod, the locking nut and the spring is designed between the armrest and the seat, the angle of the seat armrest is adjusted, the adjustment is convenient, the angle adjusting structure of the multi-gear limiting piece inside the armrest rotating shaft in the prior art is replaced, the service life is greatly improved, and the safety and the convenience of the vehicle-mounted seat, especially the vehicle-mounted seat of the old generation of walking vehicles, are improved; the connecting strength of the armrest and the seat is improved by optimizing the structure of the fixed seat, in addition, the seat armrest angle adjusting mechanism has the advantages of simple structure, convenient operation and strong practicability. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is a structure schematic view of the application scene of the seat armrest angle adjusting mechanism of the utility model;
[0012] Figure 2 It is a structure schematic view of the seat armrest angle adjusting mechanism of the utility model;
[0013] Figure 3 It is Figure 2 A-A sectional view;
[0014] Figure 4 It is an explosion view of the seat armrest angle adjusting mechanism of the utility model;
[0015] Figures 5-6 It is a structure schematic view of the fixed seat of the seat armrest angle adjusting mechanism of the utility model;
[0016] In the drawing: 1. Armrest; 11. Handle part; 12. Rotating part; 121. Clamping block; 2. Fixed seat; 21. Seat connecting part; 22. Armrest connecting part; 221. Angle adjusting groove; 23. Limiting block; 231. Through hole; 3. Screw rod; 4. Locking nut; 5. Spring; 9. Seat. DETAILED DESCRIPTION
[0017] The advantages and characteristics of the utility model will be more easily understood by the people in the field by the preferred embodiments of the utility model in combination with the drawings, so that the protection scope of the utility model can be more clearly and definitely defined.
[0018] As Figures 1-6The seat armrest angle adjusting mechanism shown in the embodiment of the present application comprises an armrest 1, a fixed seat 2, a screw rod 3, a locking nut 4, the fixed seat 2 is integrally formed with a seat connecting part 21 and an armrest connecting part 22, the fixed seat 2 is fixedly connected to a seat 9 through the seat connecting part 21, a limiting block 23 is integrally formed in the middle part of the armrest connecting part 22, a through hole 231 is formed in the limiting block 23, one end of the screw rod 3 is connected to the armrest 1, the other end of the screw rod 3 is rotatably connected to the locking nut 4 through the through hole 231, a spring 5 is arranged between the locking nut 4 and the limiting block 23, and the inner diameter of the spring 5 is larger than the diameter of the through hole 231.
[0019] The armrest 1 comprises a handle part 11 and a rotating part 12, the rotating part 12 is provided with a clamping block 121, one end of the armrest connecting part 22 of the fixed seat 2 is provided with two groups of angle adjusting grooves 221 which are in conformity with the shape of the clamping block 121, the two groups of angle adjusting grooves 221 are coaxial and are arranged at different angles, and the armrest 1 is adjustably clamped in the angle adjusting grooves 221 through the clamping block 121.
[0020] The use principle of the seat armrest angle adjusting mechanism is as follows:
[0021] When the angle of the armrest 1 on the seat needs to be adjusted, the armrest 1 is pulled outward and rotated to the required angle, specifically, when sitting on the seat, the armrest 1 is rotated to a horizontal state, when leaving or entering the seat, the armrest 1 is rotated to a vertical state, after being adjusted to the required angle, the armrest 1 is released, under the action of the spring 5, the armrest 1 rebounds, the clamping block 121 on the rotating part 12 is clamped into the angle adjusting groove 221 corresponding to the angle, thereby locking the angle.
[0022] In the description of the present application, it should be explained that the terms "upper", "lower", "left", "right", "top", "bottom", "side", "end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the present application.
[0023] In addition, in the description of the embodiment of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting", "provided with" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0024] Finally, it should be noted that the above examples, only for the specific embodiments of the present application, in order to illustrate the technical solutions of the present application, rather than limit it, the scope of protection of the present application is not limited to this, although the foregoing detailed description of the present application is made by referring to the prior art, those skilled in the art should understand that: any familiar with the technical field of the technical personnel in the technical range disclosed by the present application, it still can be modified or easily thought of changes to the technical solutions recorded in the foregoing examples, or part of the technical features of the equivalent replacement; and these modifications, changes or replacement, and do not make the corresponding technical solutions of the essence of the present application out of the spirit and scope of the embodiments of the present application technical scheme, all should be covered in the scope of protection of the present application. Therefore, the scope of protection of the present application should be subject to the scope of protection of the claims.
Claims
1. A seat armrest angle adjustment mechanism characterized by: The utility model relates to a kind of armrests, fixed seat, screw rod, locking nut, the fixed seat has seat connecting part and armrest connecting part, the fixed seat is fixedly connected on seat by the seat connecting part, the armrest connecting part middle part position has limit block, the limit block is equipped with through hole, one end of the screw rod is connected with the armrest, the other end passes through the through hole and is screwed with the locking nut, spring is equipped between the locking nut and the limit block, the armrest has handle part and rotating part, the rotating part has clamping block, the armrest connecting part one end of the fixed seat is equipped with several groups of angle adjusting slot, the shape of the clamping block is consistent with the angle adjusting slot, and the armrest is adjustably clamped in the angle adjusting slot by the clamping block.
2. The seat armrest angle adjustment mechanism of claim 1, wherein: The inner diameter of the spring is greater than the diameter of the through hole.
3. The seat armrest angle adjustment mechanism of claim 1, wherein: The angle adjusting slot has two groups, and the two groups of angle adjusting slots are coaxial and have different angles.
4. The seat armrest angle adjustment mechanism of claim 1, wherein: The seat connecting part, armrest connecting part and limit block are integrally formed.