Novel two-way headrest with unlocking structure
By designing a new unlocking structure, the upper and lower gear adjustment of one-handed operation is achieved, which solves the problem of inconvenience in both hands in the existing technology, improves passenger comfort and safety, and reduces noise.
Patent Information
- Application Number
- CN202422603221.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The height adjustment of the existing car headrest requires both hands or two people to operate, which is inconvenient to use and is difficult to adjust to the most comfortable position.
A new unlocking structure two-way headrest is designed, including a headrest rod bracket, a headrest skeleton shell, a synchronous transverse push rod mechanism and an unlock button. The up and down multi-speed adjustment is achieved through one-hand operation, and the metal guide plate and guide lock plate are used to reduce noise.
Multi-speed adjustment for one-handed operation is realized, improving passenger comfort and safety, while reducing noise, simple structure and low cost.
Smart Images
Figure CN223161677U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle headrests, in particular to a two-way headrest with a novel unlocking structure. Background Art
[0002] The headrest above the vehicle seat is used to support the head and neck. In order to suit users of different body types and heights, most current headrests can be adjusted in height, and the adjustment can only be made along the pre-set gears on the support rod. However, the current adjustment method requires both hands or even two people to operate, which is inconvenient to use, and it is difficult to adjust the height to the most comfortable position. Summary of the Utility Model
[0003] In view of the above problems, the purpose of the utility model is to provide a two-way headrest with a novel unlocking structure, which can achieve multi-gear adjustment, and has a compact and simple structure, low cost, low noise, and convenient operation.
[0004] A novel unlocking structure two-way headrest provided by the utility model comprises: a headrest rod bracket and a headrest skeleton housing vertically and slidably connected to the headrest rod bracket. The headrest rod bracket includes two headrest rods vertically fixed to the seat skeleton and a support cross bar fixed to the tops of the two headrest rods. The headrest skeleton housing includes: a skeleton housing, two upper headrest rod unlocking mechanisms installed inside the skeleton housing, two lower headrest rod guide seats, a synchronous transverse push rod mechanism, and an unlocking button. The unlocking button is connected to the synchronous transverse push rod mechanism and pushes the synchronous transverse push rod mechanism to move horizontally. The synchronous transverse push rod mechanism moves horizontally and synchronously unlocks the two upper headrest rod unlocking mechanisms, enabling the headrest skeleton housing to be vertically adjusted in height on the headrest rods. The two lower headrest rod guide seats are fixed to the bottom of the skeleton housing and sleeved on the two headrest rods. A metal guide sheet is arranged between the lower headrest rod guide seats and the headrest rods. The metal guide sheet is arranged in the guide holes of the lower headrest rod guide seats and abuts against the headrest rods. The synchronous transverse push rod mechanism includes: a transverse push rod body, two unlocking linkage blocks fixed to the lower end face of the transverse push rod body, and a transverse push rod return spring. The two unlocking linkage blocks are connected to the lock tongues of the two upper headrest rod unlocking mechanisms and drive the lock tongues of the two upper headrest rod unlocking mechanisms to unlock on the lock seats. One end of the transverse push rod return spring is fixed to the transverse push rod body, and the other end is fixed to the skeleton housing. The transverse push rod return spring is used to drive the transverse push rod body to return. The upper headrest rod unlocking mechanism includes: a lock seat, a lock tongue, a lock tongue return spring, a guiding metal lock sheet, and a lock tongue clamping groove opened on the headrest rod. The lock seat is fixed to the skeleton housing. The lock tongue is slidably connected inside the lock seat and fixed to the unlocking linkage block of the transverse push rod body. The lock tongue is driven by the unlocking linkage block of the transverse push rod body to separate from the lock tongue clamping groove for unlocking. One end of the lock tongue return spring is fixed to the lock seat, and the other end is fixed to the lock tongue. The lock tongue return spring is used to drive the lock tongue to return. The guiding metal lock sheet is arranged in the lock hole of the lock seat and contacts the headrest rod.
[0005] As a preference of the utility model, a transverse avoidance hole for the transverse push rod body to pass through is horizontally opened inside the skeleton housing, and vertical avoidance holes for the two headrest rods to pass through are vertically opened on both sides of the skeleton housing.
[0006] As a preference of the utility model, the unlocking button is arranged on one side of the skeleton housing. The unlocking button includes: a button cap, a button, a button spring, and a button cover. The button cover is fixed to the edge position on one side of the skeleton housing. The button cap is installed on one side of the button. The other side of the button passes through the button cover and is connected to the transverse push rod body. One end of the button spring is fixed to the button, and the other end is fixed to the button cover. The button spring is used for the button to return. By pressing the button cap, the button cap pushes the button to contact the transverse push rod body and drives the transverse push rod body to move horizontally.
[0007] The beneficial effects of the present utility model are as follows:
[0008] 1. The headrest of the present utility model can achieve the function of multi-gear adjustment up and down. While ensuring the safety of passengers, it also takes into account the needs of passengers for different positions of the seat headrest, providing passengers with a better comfortable riding experience. This structural design is reasonable and simple, and the operation is convenient.
[0009] 2. The metal guide piece of the present utility model is used to enhance the support strength, wear resistance of the lower headrest rod guide seat made of plastic material, and eliminate the gap between the guide hole of the lower headrest rod guide seat and the headrest rod, so as to reduce noise.
[0010] 3. The guide metal lock piece of the present utility model is used to support the gap between the locking hole of the lock seat and the headrest rod, so as to reduce noise. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] By referring to the following description in conjunction with the drawings, and with a more comprehensive understanding of the present utility model, other objects and results of the present utility model will become more apparent and easier to understand. In the drawings:
[0012] Figure 1 is a schematic diagram of the overall structure of this embodiment.
[0013] Figure 2 is an exploded view of the overall structure of this embodiment.
[0014] Figure 3 is an exploded view of the unlocking button of this embodiment.
[0015] Figure 4 is an exploded view of the upper headrest rod unlocking mechanism of this embodiment.
[0016] Figure 5 is a schematic diagram of the transverse push rod body of this embodiment.
[0017] Figure 6 is a schematic diagram of the lower headrest rod guide seat and the metal guide piece of this embodiment.
[0018] The reference numerals therein include: headrest rod 1, support cross bar 2, skeleton housing 3, upper headrest rod unlocking mechanism 4, lower headrest rod guide seat 5, metal guide piece 6, transverse push rod body 7, unlocking linkage block 8, transverse push rod return spring 9, lock seat 10, lock tongue 11, lock tongue return spring 12, guide metal lock piece 13, lock tongue engaging groove 14, button cap 15, button 16, button spring 17, button cover 18. DETAILED DESCRIPTION OF THE EMBODIMENT
[0019] Refer to Figures 1-6As shown in the figure, a novel unlocking structure two-way headrest provided in this embodiment includes: a headrest rod bracket and a headrest skeleton housing vertically slidably connected to the headrest rod bracket. The headrest rod bracket includes two headrest rods 1 vertically fixed to the seat skeleton and a support cross bar 2 fixed to the tops of the two headrest rods 1. The headrest skeleton housing includes: a skeleton housing 3, two upper headrest rod unlocking mechanisms 4 installed inside the skeleton housing 3, two lower headrest rod guide seats 5, a synchronous lateral push rod mechanism, and an unlocking button. The unlocking button is connected to the synchronous lateral push rod mechanism and pushes the synchronous lateral push rod mechanism to move laterally. The synchronous lateral push rod mechanism moves laterally and synchronously unlocks the two upper headrest rod unlocking mechanisms 4, enabling the headrest skeleton housing 3 to be vertically adjusted in height on the headrest rods 1. The two lower headrest rod guide seats 5 are fixed to the bottom of the skeleton housing 3 and sleeved on the two headrest rods 1. The lower headrest rod guide seats 5 serve as the guide for the skeleton housing 3. A metal guide piece 6 is provided between the lower headrest rod guide seats 5 and the headrest rods 1. The metal guide piece 6 is arranged in the guide hole of the lower headrest rod guide seat 5 and abuts against the headrest rod 1. The synchronous lateral push rod mechanism includes: a lateral push rod body 7, two unlocking linkage blocks 8 fixed to the lower end face of the lateral push rod body 7, and a lateral push rod return spring 9. The two unlocking linkage blocks 8 are connected to the lock tongues of the two upper headrest rod unlocking mechanisms 4 and drive the lock tongues 11 of the two upper headrest rod unlocking mechanisms 4 to be unlocked on the lock seats 10. One end of the lateral push rod return spring 9 is fixed to the lateral push rod body 7, and the other end is fixed to the skeleton housing 3. The lateral push rod return spring 9 is used to drive the lateral push rod body 7 to return. The upper headrest rod unlocking mechanism 4 includes: a lock seat 10, a lock tongue 11, a lock tongue return spring 12, a guiding metal lock piece 13, and four lock tongue engaging grooves 14 opened on the headrest rod 1. The lock seat 10 is fixed to the skeleton housing 3. The lock tongue 11 is slidably connected inside the lock seat 10 and fixed to the unlocking linkage block 8 of the lateral push rod body 7. The lock tongue 11 is driven by the unlocking linkage block 8 of the lateral push rod body 7 to be separated from and unlocked from the lock tongue engaging grooves 14. One end of the lock tongue return spring 12 is fixed to the lock seat 10, and the other end is fixed to the lock tongue 11. The lock tongue return spring 12 is used to drive the lock tongue 11 to return. The guiding metal lock piece 13 is arranged in the lock hole of the lock seat 10 and contacts the headrest rod 1. A lateral avoidance hole for the lateral push rod body 7 to pass through is opened horizontally inside the skeleton housing 3, and vertical avoidance holes for the two headrest rods 1 to pass through are opened vertically on both sides of the skeleton housing 3.An unlocking button is provided on one side of the skeleton housing 3. The unlocking button includes: a button cap 15, a button 16, a button spring 17, and a button cover 18. The button cover 18 is fixedly connected to the edge position on one side of the skeleton housing and communicates with the lateral avoidance hole. The button cap 15 is installed on one side of the button 16. The other side of the button 16 passes through the button cover 18 and is connected to the lateral push rod body 7. One end of the button spring 17 is fixedly connected to the button 16, and the other end is fixedly connected to the button cover 18. The button spring 17 is used for the button 16 to return to its original position. By pressing the button cap 15, the button cap 15 pushes the button 16 to contact the lateral push rod body 7 and drives the lateral push rod body 7 to move laterally.
[0020] Working principle: When it is necessary to adjust the locking position of the headrest, the user presses the button cap 15 on the side of the skeleton housing 3. The button cap 15 pushes the button 16 to move laterally. The button 16 moves laterally inside the button cover 18 and pushes the lateral push rod body 7. While the lateral push rod body 7 moves laterally, it drives the two upper headrest rod unlocking mechanisms 4 to unlock synchronously, so that the locking tongue 11 of the upper headrest rod unlocking mechanism 4 is separated from the locking tongue engaging groove 14. At this time, the skeleton housing 3 can vertically move on the headrest rod to adjust the gear. After adjusting the headrest height, release the pressing force on the button 16, and it returns to its original position under the elastic force of the button spring 17. At the same time, the lateral push rod body 7 returns to its original position driven by the lateral push rod return spring 9, and the locking tongue 11 returns to its original position driven by the locking tongue return spring 12. The locking tongue 11 is newly inserted into the locking tongue engaging groove 14, and the upper headrest rod unlocking mechanism 4 returns to the locked state.
[0021] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims
1. A new type of unlocking structure two-way headrest, characterized in that, Including: A headrest rod bracket and a headrest skeleton housing vertically and slidably connected to the headrest rod bracket. The headrest rod bracket includes two headrest rods vertically fixed to the seat skeleton and a support cross bar fixed to the tops of the two headrest rods. The headrest skeleton housing includes: a skeleton housing, two upper headrest rod unlocking mechanisms installed inside the skeleton housing, two lower headrest rod guide seats, a synchronous lateral push rod mechanism, and an unlocking button. The unlocking button is connected to the synchronous lateral push rod mechanism and pushes the synchronous lateral push rod mechanism to move laterally. The synchronous lateral push rod mechanism moves laterally and synchronously unlocks the two upper headrest rod unlocking mechanisms, enabling the headrest skeleton housing to be vertically adjusted in height on the headrest rods. The two lower headrest rod guide seats are fixed to the bottom of the skeleton housing and sleeved on the two headrest rods. A metal guide piece is provided between the lower headrest rod guide seats and the headrest rods. The metal guide piece is arranged in the guide hole of the lower headrest rod guide seat and abuts against the headrest rod. The synchronous lateral push rod mechanism includes: a lateral push rod body, two unlocking linkage blocks fixed to the lower end face of the lateral push rod body, and a lateral push rod return spring. The two unlocking linkage blocks are connected to the lock tongues of the two upper headrest rod unlocking mechanisms and drive the lock tongues of the two upper headrest rod unlocking mechanisms to unlock on the lock seats. One end of the lateral push rod return spring is fixed to the lateral push rod body, and the other end is fixed to the skeleton housing. The lateral push rod return spring is used to drive the lateral push rod body to return to its original position. The upper headrest rod unlocking mechanism includes: a lock seat, a lock tongue, a lock tongue return spring, a guiding metal lock piece, and a lock tongue engaging groove provided on the headrest rod. The lock seat is fixed to the skeleton housing. The lock tongue is slidably connected inside the lock seat and fixed to the unlocking linkage block of the lateral push rod body. The lock tongue is driven by the unlocking linkage block of the lateral push rod body to separate from the lock tongue engaging groove for unlocking. One end of the lock tongue return spring is fixed to the lock seat, and the other end is fixed to the lock tongue. The lock tongue return spring is used to drive the lock tongue to return to its original position. The guiding metal lock piece is arranged in the lock hole of the lock seat and contacts the headrest rod.
2. The two-way headrest of a novel unlocking structure according to claim 1, characterized in that, A lateral avoidance hole for the lateral push rod body to pass through is horizontally provided inside the skeleton housing, and vertical avoidance holes for the two headrest rods to pass through are vertically provided on both sides of the skeleton housing.
3. A two-way headrest with a novel unlocking structure according to claim 1, characterized in that, The unlocking button is provided on one side of the skeleton housing. The unlocking button includes: a button cap, a button, a button spring, and a button cover. The button cover is fixed to the edge position on one side of the skeleton housing. The button cap is installed on one side of the button. The other side of the button passes through the button cover and is connected to the lateral push rod body. One end of the button spring is fixed to the button, and the other end is fixed to the button cover. The button spring is used for the button to return to its original position. By pressing the button cap, the button cap pushes the button to contact the lateral push rod body and drives the lateral push rod body to move laterally.