Integrated headrest guide sleeve with locking function
By designing an integrated headrest guide sleeve, using integrated injection molding and multiple guide structures, the problems of cumbersome assembly, large weight, wrong installation and poor stability of traditional headrest guide sleeves are solved, and the effects of lightweight, simplified assembly and improved stability are achieved.
Patent Information
- Application Number
- CN202420581209.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-03-25
AI Technical Summary
The traditional headrest guide set is cumbersome and heavy, which is not conducive to the lightweight of the whole vehicle. It is easy to cause installation errors due to errors in installation, difficulty in plugging and unplugging, and the headrest shaking in the Z direction.
An integrated headrest guide sleeve is designed to achieve reliable fixing effect through integrated injection molding and facilitate insertion and unplugging. The guide sleeve body is equipped with inclined guides, strip-shaped guide protrusions, anti-error parts, clamping parts and locking parts, including locking wires, to ensure correct installation and stability.
The lightweight parts are achieved, manufacturing costs are reduced, the assembly process is simplified, and the labor time consumed by manual assembly is reduced. The Z-direction movement of the headrest is limited through the locking part, ensuring the stability of the headrest.
Smart Images

Figure CN222554791U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile seats, in particular to an integrated headrest guide sleeve with a locking function. Background Art
[0002] The headrest guide sleeve is one of the main functional parts of the car seat. It is installed on the backrest of the car seat to facilitate the up and down movement of the headrest assembly.
[0003] The traditional headrest guide sleeve is assembled from multiple parts, which is not only cumbersome to assemble, but also heavy, which is not conducive to the lightweight requirements of the entire vehicle. In addition, the traditional headrest guide sleeve is often installed incorrectly due to the wrong left and right positions. The headrest guide sleeve is difficult to insert and remove, and the headrest often shakes in the Z direction.
[0004] Therefore, it is necessary to design an integrated headrest guide sleeve with a locking function to improve the above problems. Utility Model Content
[0005] In view of the above problems in the prior art, the utility model provides an integrated headrest guide sleeve with a locking function, which is integrally formed, error-proof, and easy to install and disassemble.
[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0007] An integrated headrest guide sleeve with a locking function comprises an integrally injection-molded guide sleeve body, the lower end of the guide sleeve body is provided with an inclined guide for easy installation, the guide sleeve body is provided with a strip guide protrusion, an anti-mistake portion, a clamping portion, and a locking portion, the guide protrusion is provided with a plurality of different lengths, the anti-mistake portion is arranged at the upper part of the guide sleeve body, the clamping portion is symmetrically arranged at the middle and upper part of the guide sleeve body, the clamping portion is wedge-shaped, the locking portion is arranged at the lower part of the guide sleeve body, the locking portion comprises a locking steel wire, the locking steel wire matches the locking groove on the headrest rod, and a plurality of injection molding grooves are formed on the guide sleeve body.
[0008] As a preferred embodiment of the present invention, a square hole is formed in the middle of the clamping portion, and the clamping portion is connected to the headrest guide sleeve bracket of the seat back.
[0009] As a preferred embodiment of the present invention, a plurality of strip-shaped guide protrusions are provided on the inner wall of the guide sleeve body.
[0010] As a preferred embodiment of the present invention, one end of the guide protrusion is formed with an inclined surface.
[0011] Due to the adoption of the above technical solution, compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The utility model provides an integrated headrest guide sleeve with a locking function, which is integrally injection molded, has a reliable fixing effect, is convenient for plugging and unplugging, realizes lightweight parts, and has lower manufacturing costs;
[0013] 2. The utility model has an integrated headrest guide sleeve with a locking function, which has an assembly error prevention function and consumes less man-hours for manual assembly;
[0014] 3. The utility model provides an integrated headrest guide sleeve with a locking function, which limits the Z-direction movement of the headrest through the locking portion, thereby ensuring the stability of the headrest. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] By referring to the following description in conjunction with the accompanying drawings, and with a more comprehensive understanding of the present invention, other purposes and results of the present invention will become more clear and easy to understand. In the accompanying drawings:
[0016] Figure 1 It is a three-dimensional diagram of the utility model;
[0017] Figure 2 It is a side view of the utility model;
[0018] Figure 3 yes Figure 2 Sectional view of AA in the middle;
[0019] Figure 4 It is another side view of the utility model;
[0020] Figure 5 yes Figure 4 Cross-sectional view of the middle BB;
[0021] Figure 6 yes Figure 5 A partial enlarged view of part C in the middle;
[0022] The reference numerals therein include: guide sleeve body 1, inclined guide 11, guide protrusion 2, inclined surface 21, anti-mistake portion 3, clamping portion 4, square hole 41, locking portion 5, locking steel wire 51, injection molding groove 6, headrest rod 7, headrest guide sleeve bracket 8. DETAILED DESCRIPTION
[0023] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions of the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present utility model.
[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. It should be pointed out that all the drawings are exemplary representations. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0026] The present invention will be further described in detail below through specific implementation examples in conjunction with the accompanying drawings.
[0027] Reference Figures 1 to 6 , an integrated headrest guide sleeve with a locking function, comprising a guide sleeve body 1, a guide protrusion 2, an anti-mistake part 3, a clamping part 4, a locking part 5, and an injection molding groove 6. The guide sleeve body 1 is integrally injection molded, which not only realizes the lightweight of the product, but also ensures the reliability of the product. The lower end of the guide sleeve body 1 is provided with an inclined guide 11 for convenient installation. The guide protrusion 2, the anti-mistake part 3, the clamping part 4, and the locking part 5 are all arranged on the guide sleeve body 1. The guide protrusion 2 is strip-shaped, and the guide protrusion 2 is provided with a plurality of different lengths. The guide protrusions 2 are distributed on the outer periphery of the guide sleeve body 1, and one end of the guide protrusion 2 is formed with an inclined surface 2 for convenient disassembly and assembly 1, the anti-mistake part 3 is arranged at the upper part of the guide sleeve body 1, and the anti-mistake part 3 is preferably arranged at one, which can more effectively prevent wrong installation, the clamping part 4 is symmetrically arranged at the middle and upper part of the guide sleeve body 1, the clamping part 4 is wedge-shaped, and a square hole 41 is formed in the middle of the clamping part 4, the clamping part 4 is connected to the headrest guide sleeve bracket 8 of the seat back, the locking part 5 is arranged at the lower part of the guide sleeve body 1, the locking part 5 includes a locking steel wire 51, and the locking steel wire 51 matches the locking groove on the headrest rod 7, and a plurality of injection molding grooves 6 are formed on the guide sleeve body, and the injection molding grooves 6 are through grooves to prevent deformation of the product during production. In addition, a plurality of strip-shaped guide protrusions are provided on the inner wall of the guide sleeve body 1 to ensure the stable installation of the headrest rod 7.
[0028] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited to them. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. An integrated headrest guide sleeve with a locking function, characterized in that: The utility model comprises an integrally injection-molded guide sleeve body, the lower end of which is provided with an inclined guide for easy installation, the guide sleeve body is provided with a strip-shaped guide protrusion, an anti-mistake part, a clamping part and a locking part, the guide protrusion is provided with a plurality of guide protrusions of different lengths, the anti-mistake part is arranged at the upper part of the guide sleeve body, the clamping part is symmetrically arranged at the middle and upper part of the guide sleeve body, the clamping part is wedge-shaped, the locking part is arranged at the lower part of the guide sleeve body, the locking part comprises a locking steel wire, the locking steel wire matches the locking groove on the headrest rod, and a plurality of injection molding grooves are formed on the guide sleeve body.
2. The one-piece headrest guide sleeve with locking function according to claim 1, characterized in that: A square hole is formed in the middle of the clamping portion, and the clamping portion is connected to the headrest guide sleeve bracket of the seat back.
3. The one-piece headrest guide sleeve with locking function according to claim 1, characterized in that: A plurality of strip-shaped guide protrusions are arranged on the inner wall of the guide sleeve body.
4. The one-piece headrest guide sleeve with locking function according to claim 1, characterized in that: One end of the guide protrusion is formed with an inclined surface.