Sliding type double-unlocking mechanism for folding headrest of automobile seat
By designing a dual unlocking mechanism consisting of a control cable and a sliding button, the problem of insufficient space in car seat headrests after the backrest is folded down is solved, enabling convenient unlocking and locking, and improving user experience and storage space.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-10
- Publication Date
- 2026-03-20
AI Technical Summary
Existing car seat headrests, when the backrest is folded down, suffer from insufficient height relative to the interior environment or front and rear seats, and are inconvenient to unlock.
The headrest is unlocked and locked by a dual unlocking mechanism consisting of a control cable and a sliding button. The headrest is unlocked and locked by a locking groove, sliding sleeve, locking pin, push block and control cable on the horizontal axis. The return spring and torsion spring provide convenience and stability.
It improves the storage space inside the car and the convenience of folding the seats flat into a bed, providing a good user experience, with a simple structure, low production cost, and easy operation.
Smart Images
Figure CN224013449U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of seat technology, and in particular relates to a sliding double unlocking mechanism for a car seat folding headrest. Background Technology
[0002] As living standards improve, drivers and passengers have higher demands for car quality and overall vehicle enjoyment. They are no longer satisfied with just the driving and riding experience. They have an increasing need for larger car storage space and the ability to fold down into a bed, making the structure of each module of the vehicle more compact. When the backrest is folded down, there is insufficient space for the headrest and the interior environment or the front and rear tables and chairs. Even if it can be folded forward and backward, there is still the problem of inconvenience in unlocking. Summary of the Invention
[0003] The purpose of this invention is to provide an unlocking mechanism for a car seat folding headrest that utilizes both a control cable and a button for unlocking.
[0004] The purpose of this utility model is to solve the following problem:
[0005] A sliding double unlocking mechanism for a car seat folding headrest includes a horizontal shaft fixed to two vertical headrest rods, a metal frame hinged to the horizontal shaft, and a front cover and a rear cover fixed to the metal frame. One side of the horizontal shaft is fixed with an inward-facing locking groove. A sliding sleeve on the horizontal shaft outside the locking groove is provided with a locking pin that can be engaged in the locking groove. The sliding sleeve is provided with a push block and an operating cable. The front cover is provided with an unlocking button. Pressing the unlocking button or pulling the operating cable can cause the locking pin to disengage from the locking groove and unlock.
[0006] As a further optimization of the above technical solution, the sliding sleeve slidably mounted on the horizontal axis is provided with a guide post that can slide in the transverse sliding groove on the horizontal axis and a locking pin that matches the locking groove. A push block is provided on the side of the sliding sleeve. When the unlocking button is pressed, the push rod of the unlocking button can push the locking pin to disengage from the locking groove to unlock.
[0007] As a further optimization of the above technical solution, a first return spring is fitted on the push rod. One end of the first return spring abuts against the inner wall of the unlock button, and the other end abuts against the push rod. After the unlock button is released, the push rod returns to its initial position under the action of the first return spring.
[0008] As a further optimization of the above technical solution, a control cable positioning block is provided on the horizontal axis, and the locking pin at the end of the control cable is engaged in the slot on the sliding sleeve. A second return spring is provided on the horizontal axis between the locking pin and the control cable positioning block. Pulling the control cable causes the locking pin to disengage from the locking slot to unlock. When the control cable is released, the locking pin moves towards the locking slot and locks under the action of the second return spring.
[0009] As a further optimization of the above technical solution, a torsion spring is fitted on the horizontal axis, with one end of the torsion spring abutting against the headrest rod and the other end abutting against the metal frame, so as to always provide the metal frame with a torque for forward rotation.
[0010] As a further optimization of the above technical solution, the headrest rod has a "7" shaped structure, and the rear cover is provided with a U-shaped groove that fits onto the upper part of the headrest rod.
[0011] As a further optimization of the above technical solution, the front cover and the rear cover are snapped together, and a hook is provided in the center of the lower part of the front cover to be hung on the horizontal axis so as to rotate with the headrest around the horizontal axis.
[0012] As a further optimization of the above technical solution, the upper part of the metal frame is provided with two or more positioning holes, and the protrusions provided on the front cover are engaged in the positioning holes to facilitate the matching and positioning of the front cover and the rear cover with the metal frame.
[0013] As a further optimization of the above technical solution, a foam layer covering the front cover and the rear cover is fitted on the outer side of the front cover and the rear cover, and a face mask covering the foam layer is fitted on the outer side of the foam layer.
[0014] As a further optimization of the above technical solution, the operating wrench of the control cable is set on the seat armrest or on the seat on the headrest side.
[0015] The advantages of this invention compared to the prior art are:
[0016] 1. The sliding unlocking mechanism of the seat folding headrest of this utility model can increase the storage space in the car or make the seat flat into a bed, which is convenient for passengers to use.
[0017] 2. This utility model adopts a dual unlocking method of operating cable and button sliding, which makes it convenient for users to unlock in a convenient position, easy to operate, and provides a good user experience.
[0018] 3. This utility model adopts a sliding double unlocking mechanism, which has a simple structure, stable performance, convenient operation, low production cost, and is easy to promote and apply. Attached Figure Description
[0019] Figure 1 This is a three-dimensional schematic diagram of the present invention.
[0020] Figure 2 This is an exploded schematic diagram of this utility model.
[0021] Figure 3 This is one of the partial perspective views of this utility model after the front and rear covers and metal frame have been removed.
[0022] Figure 4 This is the second partial perspective view of the present invention after the front and rear covers and metal frame have been removed.
[0023] Figure 5 This is a three-dimensional schematic diagram of the front cover of this utility model.
[0024] Figure 6 This is a three-dimensional schematic diagram of the rear cover of this utility model.
[0025] Figure 7 This is a three-dimensional schematic diagram of the metal frame of this utility model. Detailed Implementation
[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. See also: Figures 1-7 :
[0027] A sliding double unlocking mechanism for a car seat folding headrest includes a horizontal shaft 38 fixed on two vertical headrest rods 50, a metal frame 60 hinged to the horizontal shaft 38 through hinge holes 62 on two side lugs 63, a front cover 10 and a rear cover 20 fixed on the metal frame 60. One side of the horizontal shaft 38 is fixed with an inward-facing locking groove 35. A sliding sleeve 53 on the horizontal shaft 38 outside the locking groove 35 is provided with a locking pin that can be engaged in the locking groove 35. The locking pin is provided with a push block 33 and an operating cable 50. The front cover 10 is provided with an unlocking button 30. Pressing the unlocking button 30 or pulling the operating cable 50 can cause the locking pin to disengage from the locking groove 35 and unlock.
[0028] As a further optimization of the above technical solution, the sliding sleeve 53 slidably mounted on the horizontal axis 38 is provided with a guide post 382 that can slide within the transverse sliding groove 381 on the horizontal axis 38 and a locking pin that matches the locking groove 35. A push block 33 is provided on the side of the sliding sleeve 53. When the unlocking button 30 is pressed, the push rod 31 of the unlocking button 30 can push the locking pin to disengage from the locking groove 35 to unlock.
[0029] As a further optimization of the above technical solution, a first return spring 36 is fitted on the push rod 31. One end of the first return spring 36 is abutted against the inner wall of the unlock button 30, and the other end is abutted against the push rod 31. After the unlock button 30 is released, the push rod 31 returns to its initial position under the action of the first return spring 36.
[0030] As a further optimization of the above technical solution, a control cable positioning block 52 is provided on the horizontal axis 38, and the locking pin 51 at the end of the control cable 50 is engaged in the slot on the sliding sleeve 53. A second return spring 37 is provided on the horizontal axis 38 between the locking pin and the control cable positioning block 52. Pulling the control cable 50 causes the locking pin to disengage from the locking groove 35 to unlock. When the control cable 50 is released, the locking pin moves towards the locking groove 35 and locks under the action of the second return spring 37. In order to make the locking pin lock smoothly, a rotating cylinder 34 is fitted on the locking pin. During the process of the locking pin entering the locking groove 35, the rotating cylinder 34 rotates along the wall of the locking groove 35, which can prevent the locking resistance formed by the jamming.
[0031] As a further optimization of the above technical solution, a torsion spring 39 is fitted on the horizontal shaft 38. One end of the torsion spring 39 is connected to the headrest rod 50 and the other end is connected to the metal frame 60, so as to always provide the metal frame 60 with a torque to rotate forward.
[0032] As a further optimization of the above technical solution, the headrest rod 50 has a "7" shaped structure, and the rear cover 20 is provided with a U-shaped groove 21 that fits onto the upper part of the headrest rod 50 to facilitate the rotation of the headrest.
[0033] As a further optimization of the above technical solution, the snap 13 on the front cover 10 is snapped together with the snap hook 22 on the rear cover 20, and the lower part of the front cover 10 is provided with a hook 11 that is hung on the horizontal axis 38 so that it can rotate with the headrest around the horizontal axis 38.
[0034] As a further optimization of the above technical solution, the upper part of the metal frame 60 is provided with two or more positioning holes 61, and the protrusions 12 provided on the front cover 10 are engaged in the positioning holes 61 to facilitate the matching and positioning of the front cover 10 and the rear cover 20 with the metal frame 60.
[0035] As a further optimization of the above technical solution, the outer sides of the front cover 10 and the rear cover 20 are fitted with a foam layer covering the front cover 10 and the rear cover 20, and the outer side of the foam layer is fitted with a face mask covering the foam layer.
[0036] As a further optimization of the above technical solution, the operating wrench of the control cable 50 is set on the seat armrest or on the seat on the headrest side.
[0037] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that simple substitutions or modifications can still be made to the technical solutions or technical features described in the foregoing embodiments, and these simple substitutions or modifications do not cause the essence of the corresponding technical solutions to deviate from the spirit and substance of the technical solutions of the embodiments of this utility model, and are still within the protection scope of this utility model.
Claims
1. A sliding double unlocking mechanism for a car seat folding headrest, characterized in that: The device includes a horizontal shaft fixed to two vertical headrest rods, a metal frame hinged to the horizontal shaft, and a front cover and a rear cover fixed to the metal frame. One side of the horizontal shaft has an inward-facing locking groove. A sliding sleeve on the horizontal shaft outside the locking groove is provided with a locking pin that can be engaged in the locking groove. The sliding sleeve is provided with a push block and a control cable. The front cover is provided with an unlocking button. Pressing the unlocking button or pulling the control cable can cause the locking pin to disengage from the locking groove and unlock the device.
2. The sliding double unlocking mechanism for a car seat folding headrest according to claim 1, characterized in that: The sliding sleeve slidably mounted on the horizontal axis is provided with a guide post that can slide in the transverse sliding groove on the horizontal axis and a locking pin that matches the locking groove. A push block is provided on the side of the sliding sleeve. When the unlocking button is pressed, the push rod of the unlocking button can push the locking pin to disengage from the locking groove to unlock.
3. The sliding double unlocking mechanism for a car seat folding headrest according to claim 2, characterized in that: A first return spring is fitted onto the push rod. One end of the first return spring abuts against the inner wall of the unlock button, and the other end abuts against the push rod. After the unlock button is released, the push rod returns to its initial position under the action of the first return spring.
4. The sliding double unlocking mechanism for a car seat folding headrest according to claim 1, characterized in that: A control cable positioning block is provided on the horizontal axis. The locking pin at the end of the control cable is engaged in the slot on the sliding sleeve. A second return spring is provided on the horizontal axis between the locking pin and the control cable positioning block. Pulling the control cable causes the locking pin to disengage from the locking slot to unlock. When the control cable is released, the locking pin moves towards the locking slot and locks under the action of the second return spring.
5. The sliding double unlocking mechanism for a car seat folding headrest according to claim 1, characterized in that: A torsion spring is mounted on the horizontal axis. One end of the torsion spring abuts against the headrest rod, and the other end abuts against the metal frame, so as to always provide the metal frame with a torque to rotate forward.
6. The sliding double unlocking mechanism for a car seat folding headrest according to claim 1, characterized in that: The headrest rod has a "7" shaped structure, and the rear cover is provided with a U-shaped groove that fits onto the upper part of the headrest rod.
7. The sliding double unlocking mechanism for a car seat folding headrest according to claim 1, characterized in that: The front cover and the rear cover are snapped together. The lower part of the front cover is centrally located and has a hook that is attached to the horizontal axis so that it can rotate with the headrest around the horizontal axis.
8. The sliding double unlocking mechanism for a car seat folding headrest according to claim 1, characterized in that: The upper part of the metal frame is provided with two or more positioning holes, and the protrusions provided on the front cover are engaged in the positioning holes to facilitate the matching and positioning of the front cover and the rear cover with the metal frame.
9. The sliding double unlocking mechanism for a car seat folding headrest according to claim 1, characterized in that: The front cover and the rear cover are fitted with foam layers that cover the front cover and the rear cover, and a face mask that covers the foam layers is fitted with the outer side of the foam layers.
10. The sliding double unlocking mechanism for a car seat folding headrest according to claim 1, characterized in that: The operating wrench for the control cable is located on the seat armrest or on the seat headrest side.