Integrated headrest guide sleeve
By designing an integrated headrest guide sleeve and adopting a separate guide sleeve structure with concealed and exposed locks, the problems of complex manufacturing, unstable connection, and misoperation in the existing technology have been solved, thereby improving stability and convenience.
Patent Information
- Application Number
- CN202520255968.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-18
AI Technical Summary
The existing headrest guide sleeve is complex to manufacture, has unstable connections, is prone to noise, and is easily unlocked by accident, affecting the convenience of use.
The integrated headrest guide sleeve is designed with separate concealed and exposed lock guide sleeve bodies, connected by a guide sleeve cover. It features an unlocking button and spring structure to ensure stability and prevent accidental operation.
It improves manufacturing replaceability, enhances connection stability, eliminates noise, prevents misoperation, and is ergonomically designed for easy installation and use.
Smart Images

Figure CN223764288U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive seat technology, and in particular to an integrated headrest guide sleeve. Background Technology
[0002] Car seat headrests are auxiliary devices designed to improve passenger comfort and safety. In movable headrests, a headrest guide sleeve is usually installed at the connection point between the headrest rod and the seat back frame.
[0003] Existing headrest guide sleeves have two guide sleeve bodies for connecting to the headrest rod. The two guide sleeve bodies are usually integrated, which is complex to manufacture and has poor replaceability; or the two guide sleeve bodies are separated, which results in poor overall connection stability of the headrest guide sleeve and inconvenience for headrest installation. In addition, the guide sleeve bodies often generate noise after installation, and the headrest may be unlocked by the passenger due to accidental operation, resulting in inconvenience in use.
[0004] Therefore, an integrated headrest guide sleeve needs to be designed to improve the above problems. Utility Model Content
[0005] To address the aforementioned problems in the prior art, this utility model provides an integrated headrest guide sleeve that offers good stability and prevents accidental unlocking.
[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0007] This utility model provides an integrated headrest guide sleeve, including a concealed lock guide sleeve body, a visible lock guide sleeve body, and a headrest cover disposed above the concealed lock guide sleeve body and the visible lock guide sleeve body. The concealed lock guide sleeve body is provided with a concealed lock unlock button on its upper part, and the visible lock guide sleeve body is provided with a visible lock unlock button on its upper part. Both the concealed lock unlock button and the visible lock unlock button are connected to a spring for resetting and a button felt for locking the headrest rod.
[0008] As a preferred embodiment of this utility model, the upper part of the concealed lock guide sleeve body and the exposed lock guide sleeve body is provided with a stabilizing plate that is aligned with the length direction of the headrest cover.
[0009] As a preferred embodiment of this utility model, the gap between the Y-axis of the lock unlocking button and the outer edge of the lock guide sleeve body is 0.1mm.
[0010] As a preferred embodiment of this utility model, the Y-direction unlocking travel of the surface lock unlocking button is 4mm.
[0011] As a preferred embodiment of this invention, springs are provided on both sides of the concealed lock unlock button and the exposed lock unlock button. Due to the adoption of the above technical solution, the beneficial effects of this invention compared to the prior art are:
[0012] (1) The present invention provides an integrated headrest guide sleeve in which the concealed lock guide sleeve body and the exposed lock guide sleeve body are in a separate form, which can be produced and replaced separately, reducing manufacturing difficulty. When one of the guide sleeve bodies is damaged, it can be replaced separately, and the replaceability is strong.
[0013] (2) An integrated headrest guide sleeve of this utility model, wherein the concealed lock guide sleeve body and the exposed lock guide sleeve body are connected by a guide sleeve cover, thereby ensuring the overall stability of the headrest guide sleeve connection and facilitating the installation of the headrest;
[0014] (3) The integrated headrest guide sleeve of this utility model is provided with unlocking felt, which eliminates the noise generated by the guide sleeve. In addition, if the hidden lock unlocking button is accidentally touched, it is difficult to compress the stroke and cannot unlock the headrest rod, which effectively prevents the headrest from falling out due to misoperation. The exposed lock unlocking button has a beautiful design, conforms to ergonomic design, and is easy to press to unlock. Attached Figure Description
[0015] Other objects and results of this invention will become more apparent and readily understood with reference to the following description taken in conjunction with the accompanying drawings, and with a more complete understanding of the invention. In the drawings:
[0016] Figure 1 This is a perspective view of an example of this utility model;
[0017] Figure 2 This is an exploded view of an example of this utility model;
[0018] The attached reference numerals include: 1. Concealed lock guide sleeve body; 2. Exposed lock guide sleeve body; 3. Headrest cover; 4. Concealed lock unlock button; 5. Exposed lock unlock button; 6. Spring; 7. Button felt; 8. Stabilizing plate; 9. Mounting groove; 10. Through hole. Detailed Implementation
[0019] The technical solutions of various embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. It should be pointed out that all accompanying drawings are exemplary representations. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0022] The present invention will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings.
[0023] Reference Figures 1 to 2 , Figure 1 This is a perspective view of an example of this utility model. Figure 2This is an exploded view of an embodiment of this utility model. This utility model provides an integrated headrest guide sleeve, including a concealed lock guide sleeve body 1, a visible lock guide sleeve body 2, a headrest cover 3, a concealed lock unlock button 4, a visible lock unlock button 5, a spring 6, button felt 7, and a stabilizing plate 8. The concealed lock guide sleeve body 1 and the visible lock guide sleeve body 2 are used to fix the headrest rod to fix the seat headrest. The headrest cover 3 is positioned above the concealed lock guide sleeve body 1 and the visible lock guide sleeve body 2. A stabilizing plate 8, aligned with the length direction of the headrest cover 3, is provided on the upper part of the concealed lock guide sleeve body 1 and the visible lock guide sleeve body 2, thereby forming a stable whole. The concealed lock guide sleeve body 1 and the visible lock guide sleeve body 2 form a stable whole. The upper part of the main body 2 is provided with a mounting groove 9. The mounting groove 9 on the upper part of the concealed lock guide sleeve 1 is provided with a concealed lock unlocking button 4, and the mounting groove 9 on the upper part of the exposed lock guide sleeve 2 is provided with an exposed lock unlocking button 5. Both the concealed lock unlocking button 4 and the exposed lock unlocking button 5 are connected to a spring 6 for resetting and a button felt 7 for locking the headrest rod. Both sides of the concealed lock unlocking button 4 and the exposed lock unlocking button 5 are provided with springs 6. One end of the spring 6 is connected to the concealed lock unlocking button 4 or the exposed lock unlocking button 5, and the other end is connected to the mounting groove 9. The button felt 7 is fixed by passing through the through hole 10 of the concealed lock unlocking button 4 or the through hole 10 of the exposed lock unlocking button 5. When the button felt 7 is engaged with the corresponding slot of the headrest rod, the headrest rod is fixed. The gap between the concealed lock unlocking button 4 in the Y direction and the outer edge of the concealed lock guide sleeve body 1 is 0.1mm. If the concealed lock unlocking button 4 is accidentally touched, it is difficult to compress the stroke and the headrest rod cannot be unlocked, effectively preventing the headrest from falling out due to accidental operation. The exposed lock unlocking button 5 has a Y-direction unlocking stroke of 4mm. The exposed lock unlocking button 5 has a beautiful design, conforms to ergonomic design, and is easy to press to unlock.
[0024] The following will refer to Figures 1 to 2 The working principle of this utility model will be explained.
[0025] When unlocking the concealed lock, apply a Y-axis force to push the concealed lock unlocking button 4, compressing the spring 6 of the concealed lock unlocking button 4, thus unlocking the headrest's Z-axis limit. Similarly, apply a Y-axis force to push the exposed lock unlocking button 5, compressing the spring 6 of the exposed lock unlocking button 5, thus unlocking the headrest's Z-axis limit, enabling the headrest to be height-adjustable. When the unlocking force of the buttons is released, the concealed lock unlocking button 4 and the exposed lock unlocking button 5 are reset under the elastic force of the spring 6, thus locking the headrest rod and restricting the Z-axis movement of the headrest rod.
[0026] This utility model discloses an integrated headrest guide sleeve, which integrates a concealed lock and a visible lock. The concealed lock guide sleeve body and the visible lock guide sleeve body are separate, allowing for individual production and replacement, reducing manufacturing difficulty. When one of the guide sleeve bodies is damaged, it can be replaced individually, providing strong replaceability. The concealed lock guide sleeve body and the visible lock guide sleeve body are connected by a guide sleeve cover, thereby ensuring the overall stability of the headrest guide sleeve connection and facilitating headrest installation. An unlocking felt is provided to eliminate noise generated by the guide sleeve. In addition, if the concealed lock unlocking button is accidentally pressed, it is difficult to compress the stroke and cannot unlock the headrest rod, effectively preventing the headrest from falling out due to accidental operation. The visible lock unlocking button has an aesthetically pleasing and ergonomic design, making it easy to press and unlock.
[0027] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.
Claims
1. An integrated headrest guide, characterized by, The headrest cover is arranged above the dark lock guide sleeve body and the bright lock guide sleeve body, the upper part of the dark lock guide sleeve body is provided with a dark lock unlocking button, the upper part of the bright lock guide sleeve body is provided with a bright lock unlocking button, and the dark lock unlocking button and the bright lock unlocking button are both connected with springs for resetting and button felts for locking the headrest rod.
2. An integrated headrest guide as claimed in claim 1, wherein, The upper parts of the dark lock guide sleeve body and the bright lock guide sleeve body are provided with stable plates consistent with the length direction of the headrest cover.
3. The integrated headrest guide bushing of claim 1, wherein, The gap between the dark lock unlocking button and the outer edge of the dark lock guide sleeve body is 0.1mm.
4. The integrated headrest guide bushing of claim 1, wherein, The unlocking stroke of the bright lock unlocking button in the Y direction is 4mm.
5. The integrated headrest guide bushing of claim 1, wherein, The dark lock unlocking button and the bright lock unlocking button are both provided with springs on the two sides.