Novel two-way headrest with unlocking structure

Abstract

The invention relates to a novel unlocking structure two-way headrest which comprises a headrest rod support and a headrest framework shell vertically connected to the headrest rod support in a sliding mode, and the headrest framework shell comprises a framework shell, an upper headrest rod unlocking mechanism, a lower headrest rod guide seat, a synchronous transverse push rod mechanism and an unlocking button. The unlocking button is connected with the synchronous transverse push rod mechanism and pushes the synchronous transverse push rod mechanism to transversely move, and the synchronous transverse push rod mechanism transversely moves and synchronously unlocks the two upper headrest rod unlocking mechanisms. The upper headrest rod unlocking mechanism comprises a lock seat, a spring bolt, a spring bolt return spring, a guide metal lock plate and a spring bolt clamping groove formed in the headrest rod; the automobile seat headrest has the advantages that the up-down multi-gear adjusting function is achieved, the safety of passengers is guaranteed, meanwhile, the requirements of the passengers for different positions of the seat headrest are met, and good comfortable riding experience is provided for the passengers. The structural design is reasonable and simple, and operation is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of automobile headrests, and in particular to a two-way headrest with a novel unlocking structure. Background Art

[0002] The headrest above the car seat is used to support the head and neck. In order to suit users of different body shapes and heights, most headrests are now height-adjustable, and the adjustment can only be made along the pre-set gears on the support rod. However, the current adjustment method requires two hands or even two people to operate, which is inconvenient to use and the height is difficult to adjust to the most comfortable position. Summary of the invention

[0003] In view of the above problems, the purpose of the present invention is to provide a new type of unlocking structure two-way headrest, which can achieve multi-gear adjustment and has a compact and simple structure, low cost, low noise and easy operation.

[0004] The invention provides a novel two-way headrest with unlocking structure, comprising: a headrest rod bracket and a headrest frame shell vertically slidably connected to the headrest rod bracket, the headrest rod bracket comprising two headrest rods vertically fixedly connected to the seat frame and a supporting cross bar fixedly connected to the tops of the two headrest rods, the headrest frame shell comprising: a frame shell, two upper headrest rod unlocking mechanisms installed inside the frame shell, 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 transversely, the synchronous transverse push rod mechanism moves transversely and synchronously unlocks the two upper headrest rod unlocking mechanisms, so that the headrest frame shell can be adjusted in height vertically on the headrest rod, the two lower headrest rod guide seats are fixedly connected to the bottom of the frame shell and are sleeved on the two headrest rods, a metal guide sheet is arranged between the lower headrest rod guide seat and the headrest rod, the metal guide sheet is arranged in the guide hole of the lower headrest rod guide seat and is supported on the headrest rod, the synchronous transverse push rod mechanism comprises : a transverse push rod body, two unlocking linkage blocks fixedly connected to the lower end surface 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 seat, one end of the transverse push rod return spring is fixedly connected to the transverse push rod body, and the other end is fixedly connected to the skeleton shell, 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 The lock tongue is connected to the lock seat by a tongue return spring, a guide metal lock sheet, and a lock tongue clamping groove provided on the headrest rod. The lock seat is fixedly connected to the skeleton shell. The lock tongue is slidably connected to the inside of the lock seat and is fixedly connected to the unlocking linkage block of the transverse push rod body. The lock tongue is driven to separate and unlock from the lock tongue clamping groove through the unlocking linkage block of the transverse push rod body. One end of the lock tongue return spring is fixedly connected to the lock seat, and the other end is fixedly connected to the lock tongue. The lock tongue return spring is used to drive the lock tongue to return. The guide metal lock sheet is arranged in the lock hole of the lock seat and contacts the headrest rod.

[0005] As a preferred embodiment of the present invention, a transverse avoidance hole for the transverse push rod body to pass through is opened in the interior of the skeleton shell in the transverse direction, and vertical avoidance holes for the two headrest rods to pass through are opened in the vertical direction on both sides of the skeleton shell.

[0006] As a preferred embodiment of the present invention, the unlocking button is provided on one side of the skeleton shell, and the unlocking button includes: a button cap, a button, a button spring and a button cover; the button cover is fixedly connected to the edge of one side of the skeleton shell; 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 fixedly connected to the button, and the other end is fixedly connected to the button cover; the button spring is used for returning the button; when the button cap is pressed, the button cap pushes the button to contact the transverse push rod body and drives the transverse push rod body to move laterally.

[0007] The beneficial effects of the present invention are as follows:

[0008] 1. The headrest of the present invention can realize the multi-level adjustment function of up and down, which not only ensures the safety of passengers but also takes into account the passengers' needs for different positions of the seat headrest, providing passengers with a better comfortable riding experience. This structural design is reasonable and simple, and easy to operate.

[0009] 2. The metal guide plate of the present invention is used to enhance the supporting strength and wear resistance of the lower headrest rod guide seat made of plastic material, and to eliminate the gap between the guide hole of the lower headrest rod guide seat and the headrest rod to reduce noise.

[0010] 3. The guide metal lock piece of the present invention is used to support the gap between the locking hole of the lock seat and the headrest rod to reduce noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] By referring to the following description in conjunction with the accompanying drawings, and with a more comprehensive understanding of the present invention, other objects and results of the present invention will become more apparent and easy to understand. In the accompanying drawings:

[0012] Figure 1 It is a schematic diagram of the overall structure of this embodiment.

[0013] Figure 2 It is an exploded view of the overall structure of this embodiment.

[0014] Figure 3 This is an exploded view of the unlock button of this embodiment.

[0015] Figure 4 It is an exploded view of the upper headrest rod unlocking mechanism of this embodiment.

[0016] Figure 5 Schematic diagram of the transverse push rod body of this embodiment.

[0017] Figure 6 It is a schematic diagram of the lower headrest rod guide seat and the metal guide plate of this embodiment.

[0018] The accompanying drawings include: headrest rod 1, supporting cross bar 2, skeleton shell 3, upper headrest rod unlocking mechanism 4, lower headrest rod guide seat 5, metal guide plate 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 plate 13, lock tongue clamping groove 14, button cap 15, button 16, button spring 17, button cover 18. DETAILED DESCRIPTION

[0019] See also Figure 1-6As shown, a new type of unlocking structure two-way headrest provided in this embodiment includes: a headrest rod bracket and a headrest frame shell vertically slidably connected to the headrest rod bracket, the headrest rod bracket includes two headrest rods 1 vertically fixed to the seat frame and a supporting cross bar 2 fixed to the top of the two headrest rods 1, the headrest frame shell includes: a frame shell 3, two upper headrest rod unlocking mechanisms 4 installed inside the frame shell 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. The rod mechanism moves laterally, and the synchronous lateral push rod mechanism moves laterally and synchronously unlocks the two upper headrest rod unlocking mechanisms 4, so that the headrest frame shell 3 can be adjusted vertically on the headrest rod 1. The two lower headrest rod guide seats 5 are fixedly connected to the bottom of the frame shell 3 and are sleeved on the two headrest rods 1. The lower headrest rod guide seat 5 serves as a guide for the frame shell 3. A metal guide sheet 6 is arranged between the lower headrest rod guide seat 5 and the headrest rod 1. The metal guide sheet 6 is arranged in the guide hole of the lower headrest rod guide seat 5 and is supported on the headrest rod 1. The synchronous lateral push rod mechanism includes: a lateral push rod body 7, two unlocking linkage blocks 8 fixedly connected to the lower end surface of the transverse push rod body 7, and the transverse 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 unlock on the lock seat 10, one end of the transverse push rod return spring 9 is fixedly connected to the transverse push rod body 7, and the other end is fixedly connected to the skeleton shell 3, and the transverse push rod return spring 9 is used to drive the transverse 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 guide metal The lock base 10 is fixedly connected to the frame shell 3, the lock tongue 11 is slidably connected inside the lock base 10 and fixedly connected to the unlocking linkage block 8 of the lateral push rod body 7, and the lock tongue 11 is driven to separate and unlock from the lock tongue clamping groove 14 through the unlocking linkage block 8 of the lateral push rod body 7, one end of the lock tongue return spring 12 is fixedly connected to the lock base 10, and the other end is fixedly connected to the lock tongue 11, and the lock tongue return spring 12 is used to drive the lock tongue 11 to return, and the guide metal lock plate 13 is arranged in the lock hole of the lock base 10 and contacts the headrest rod 1. A lateral avoidance hole for the lateral push rod body 7 to pass through is opened in the lateral direction inside the frame shell 3, and vertical avoidance holes for the two headrest rods 1 to pass through are opened in the vertical direction on both sides of the frame shell 3.An unlocking button is provided on one side of the skeleton shell 3, and 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 of one side of the skeleton shell and is connected to the lateral avoidance hole. The button cap 15 is installed on one side of the button 16, and 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 returning the button 16. When the button cap 15 is pressed, 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 the headrest locking position needs to be adjusted, the user presses the button cap 15 on the side of the frame housing 3, and the button cap 15 pushes the button 16 to move horizontally. The button 16 moves horizontally inside the button cover 18 and pushes the horizontal push rod body 7. The horizontal push rod body 7 moves horizontally and drives the two upper headrest rod unlocking mechanisms 4 to unlock synchronously, so that the lock tongue 11 of the upper headrest rod unlocking mechanism 4 is separated from the lock tongue clamping groove 14. At this time, the frame housing 3 can be vertically moved on the headrest rod to adjust the gear position. After the headrest height is adjusted, the pressing force of the button 16 is released, and it is reset under the elastic force of the button spring 17. At the same time, the horizontal push rod body 7 is reset under the drive of the horizontal push rod return spring 9, and the lock tongue 11 is reset under the drive of the lock tongue return spring 12. The lock tongue 11 is re-engaged in the lock tongue clamping groove 14, and the upper headrest rod unlocking mechanism 4 is restored to the locked state.

[0021] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A new type of two-way headrest with unlocking structure, characterized in that: include: The headrest rod bracket and the headrest frame shell vertically slidably connected to the headrest rod bracket, the headrest rod bracket includes two headrest rods vertically fixed to the seat frame and a supporting cross bar fixed to the top of the two headrest rods, the headrest frame shell includes: a frame shell, two upper headrest rod unlocking mechanisms installed inside the frame shell, 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 laterally, the synchronous transverse push rod mechanism moves laterally and synchronously unlocks the two upper headrest rod unlocking mechanisms, so that the headrest frame shell can be vertically adjusted in height on the headrest rod, the two lower headrest rod guide seats are fixedly connected to the bottom of the frame shell and are sleeved on the two headrest rods, a metal guide sheet is arranged between the lower headrest rod guide seat and the headrest rod, the metal guide sheet is arranged in the guide hole of the lower headrest rod guide seat and is held on the headrest rod, the synchronous transverse push rod mechanism includes: a transverse push rod body, a Two unlocking linkage blocks and a transverse push rod return spring are provided on the lower end surface of the transverse push rod body. 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 seat. One end of the transverse push rod return spring is fixedly connected to the transverse push rod body, and the other end is fixedly connected to the skeleton shell. 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, and a lock tongue return spring. , a guide metal lock sheet, and a lock tongue clamping groove provided on the headrest rod, the lock seat is fixedly connected to the skeleton shell, the lock tongue is slidably connected inside the lock seat and is fixedly connected to the unlocking linkage block of the transverse push rod body, the lock tongue is driven to separate and unlock from the lock tongue clamping groove through the unlocking linkage block of the transverse push rod body, one end of the lock tongue return spring is fixedly connected to the lock seat, and the other end is fixedly connected to the lock tongue, the lock tongue return spring is used to drive the lock tongue to return, and the guide metal lock sheet is arranged in the lock hole of the lock seat and contacts with the headrest rod.

2. A novel two-way headrest with unlocking structure according to claim 1, characterized in that: A transverse avoidance hole for the transverse push rod body to pass through is opened in the transverse direction inside the skeleton shell, and vertical avoidance holes for the two headrest rods to pass through are opened in the vertical direction on both sides of the skeleton shell.

3. A novel two-way headrest with unlocking structure according to claim 1, characterized in that: The unlocking button is provided on one side of the skeleton shell, and the unlocking button includes: a button cap, a button, a button spring and a button cover. The button cover is fixedly connected to the edge of one side of the skeleton shell, and 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 fixedly connected to the button, and the other end is fixedly connected to the button cover. The button spring is used for button return. When the button cap is pressed, the button cap pushes the button to contact the transverse push rod body and drive the transverse push rod body to move laterally.

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