CN112829652A

CN112829652A - Folding support for automobile headrest

Info

Publication number: CN112829652A
Application number: CN202110165113.7A
Authority: CN
Inventors: 姜明; 姜杰; 金军良; 陆备峰; 汤国均; 於汉辉; 汤智威; 王建峰; 毛兴旺
Original assignee: Zhoushan Yindai Auto Parts Co ltd
Current assignee: Zhoushan Yindai Auto Parts Co ltd
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-05-25

Abstract

The utility model provides a folding support for car headrest, including chassis and support, the horizontal pole of support bottom can be connected on the chassis with rotating, the both ends of horizontal pole stretch out corresponding chassis lateral wall respectively, be provided with the locking piece that can rotate along with the horizontal pole relative chassis at the horizontal pole one end that stretches out the chassis lateral wall, be provided with the wobbling unblock piece of ability relative chassis on the chassis lateral wall of locking piece below, the upper portion of unblock piece is provided with the block breach, the swing end of unblock piece is connected with the stay cord, the other end of unblock piece rotates with the chassis and is connected, the unblock piece is connected with canceling release mechanical system, canceling release mechanical system is connected with the chassis, when pulling the stay cord, the swing end swings downwards, unblock piece and locking piece phase separation, the support falls, when erectting the support, the locking piece is in the same place with unblock. The invention has the advantages that: small occupied space, light weight and convenient manufacture.

Description

Folding support for automobile headrest

Technical Field

The invention relates to the technical field of automobile headrest manufacturing, in particular to a folding support for an automobile headrest.

Background

The original Chinese utility model with application number of CN202020804299.7 named as foldable car headrest of the applicant discloses a foldable car headrest, which comprises a shell, a headrest frame, a button and a headrest rod, wherein the headrest frame is connected on a cross rod, the button is connected on the shell, the pillow frame is provided with a positioning mechanism and a pillow frame resetting mechanism, the pillow frame is also provided with a pull rope unlocking part which is linked with the positioning mechanism, a pillow frame through hole is arranged on the side wall of the pillow frame, a steering wheel of a pull rope is arranged in the inner cavity of the shell outside the pillow frame, a pillow rod through hole is arranged on the pillow rod, one end of the pull rope passes through the pillow rod through hole after passing through the steering wheel and extends out of the pillow rod, the other end of the pull rope passes through the pillow frame through hole and is connected with the pull rope unlocking part, when a pull rope extending out of the pillow rod is pulled, the pull rope pulls the pull rope unlocking part to drive the positioning mechanism to unlock, and the pillow frame resetting mechanism drives the pillow frame to rotate and reset. The invention has the advantages that: the unlocking of the two sides of the pillow frame can be realized, the service life of the automobile headrest is prolonged, the stay cord is not easy to tie and wind, and the smooth unlocking of the positioning mechanism is realized. However, the car headrest occupies more space of the bracket, the structure is more complex, and the manufacture is inconvenient, so the structure of the car headrest needs to be further improved.

Disclosure of Invention

The invention aims to solve the technical problem of providing a folding bracket for an automobile headrest, which has the advantages of small occupied space in the bracket, simple structure and convenient manufacture.

The technical scheme adopted by the invention for solving the technical problems is as follows: this a folding support for car headrest, including the support that can fix chassis on car seat and can fix the pillow body, the horizontal pole of support bottom can rotate ground and connect on the chassis, its characterized in that: the utility model discloses a support, including the horizontal pole, the horizontal pole is provided with the locking piece that can follow the relative chassis pivoted of horizontal pole, and the locking piece that can swing relative chassis is provided with on the chassis lateral wall that stretches out the chassis lateral wall respectively, the horizontal pole one end that stretches out the chassis lateral wall is provided with the locking piece that can follow the relative chassis pivoted of horizontal pole, is provided with the relative chassis wobbling unblock piece of ability on the chassis lateral wall of locking piece below, the upper portion of unblock piece is provided with the block breach that can lock the support with the locking convex part buckle of locking piece lower extreme, the swing end of unblock piece is connected with the stay cord, the other end and the chassis of unblock piece rotate and are connected, the unblock piece is connected with the canceling release mechanical system who keeps swing end tendency upwards, canceling release mechanical system is connected with the chassis, when the pulling stay cord, the swing end is swung.

As an improvement, the unlocking block is connected to the side wall of the underframe through a rotating pin, the reset mechanism is a reset torsion spring sleeved on the rotating pin, one end of the reset torsion spring is buckled on the underframe, and the other end of the reset torsion spring is connected with the swinging end of the unlocking block.

The swing end is provided with an end convex column, the pull rope is connected to the end convex column, and one end of the reset torsion spring is pressed against the bottom of the end convex column.

As the improvement, the support includes two montants and a horizontal pole, and the bottom of two montants is fixed mutually with the locking block that corresponds respectively, all is provided with waist type arch at the horizontal pole both ends be provided with the waist type hole of can pegging graft on corresponding waist type arch on the locking block.

The improved structure is characterized in that a second reset torsion spring is sleeved on the cross rod, one end of the second reset torsion spring is in contact with the bottom frame, and the other end of the second reset torsion spring is connected with a limiting pin on the cross rod.

The further improvement is that a limit convex column capable of preventing the pillow body from falling forward is arranged on the side wall of the underframe above the swinging end.

The further improvement is that a second limiting convex column capable of preventing the pillow body from falling backwards is arranged on the side wall of the bottom frame above the other end of the unlocking block.

The improved structure is characterized in that the limiting convex column and the second limiting convex column are detachably inserted into corresponding connecting holes in the side wall of the bottom frame.

As an improvement, a protruding part is arranged on the side wall of the underframe, the rotating end of the unlocking block can be rotatably connected to the protruding part, and a gap is reserved between the swinging end of the unlocking block and the side wall of the underframe.

As an improvement, a limiting plate is convexly arranged at the bottom of the side wall of the underframe, a limiting notch is arranged on the limiting plate, and the pull rope penetrates through the limiting notch.

Compared with the prior art, the invention has the advantages that: the space in the underframe is less, the number of parts outside the underframe is less, the manufacture is simple, the occupied space is small, and the weight is light; the pillow body is locked and unlocked through the matching of the locking block and the unlocking block, the structure is simple, the pillow body is purely mechanical, and faults are not easy to generate; the pull rope used for unlocking triggering is farther away from the rotating end than the block gap, and the moment is longer, so that the pulling unlocking is very labor-saving.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view of FIG. 1 with the pillow and car seat removed;

FIG. 3 is a perspective view of FIG. 2 at another angle;

FIG. 4 is a perspective view of the locking block of FIG. 2 separated from the unlocking block;

fig. 5 is an exploded view of the structure of fig. 2.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 5, the folding bracket for a car headrest of the present embodiment includes a chassis 1 capable of being fixed on a car seat and a bracket 2 capable of fixing a headrest body 8, a cross bar 21 at the bottom of the bracket 2 is rotatably connected to the chassis 1, two ends of the cross bar 21 respectively extend out of corresponding sidewalls of the chassis 1, one end of the cross bar 21 extending out of the sidewalls of the chassis 1 is provided with a locking block 3 capable of rotating with the cross bar 21 relative to the chassis 1, an unlocking block 4 capable of swinging relative to the chassis 1 is arranged on the sidewall of the chassis below the locking block 3, the upper portion of the unlocking block 4 is provided with a block notch 41 capable of being buckled with a locking protrusion 31 at the lower end of the locking block 3 to lock the bracket 2, the swinging end of the unlocking block 4 is connected with a pull rope 5, the other end of the unlocking block 4 is rotatably connected with the chassis 1, the unlocking block 4, the reset mechanism is connected with the underframe 1, when pulling the pull rope 5, the swinging end swings downwards, the unlocking block 4 is separated from the locking block 3, the support 2 falls down, and when the support 2 is erected, the locking block 3 is buckled with the unlocking block 4.

The unlocking block 4 is connected to the side wall of the underframe 1 through the rotating pin 6, the reset mechanism is a reset torsion spring 7 which is sleeved on the rotating pin 6, one end of the reset torsion spring 7 is buckled on the underframe 1, and the other end of the reset torsion spring 7 is connected with the swinging end of the unlocking block 4. An end convex column 42 is arranged on the swinging end, the pull rope 5 is connected on the end convex column 42, and one end of the reset torsion spring 7 is pressed against the bottom of the end convex column 42.

The support 2 includes two montants and a horizontal pole 21, and the bottom of two montants is fixed mutually with the locking block 3 that corresponds respectively, all is provided with waist type arch at horizontal pole 21 both ends, is provided with the waist type hole that can peg graft on corresponding waist type arch on the locking block 3. A second reset torsion spring 22 is sleeved on the cross rod 21, one end of the second reset torsion spring 22 is in contact with the bottom frame 1, and the other end of the second reset torsion spring 22 is connected with a limit pin on the cross rod 21. A limit convex column 11 which can prevent the pillow body 8 from falling forward is arranged on the side wall of the underframe 1 above the swinging end. A second limiting convex column 12 capable of preventing the pillow body 8 from falling backwards is arranged on the side wall of the bottom frame 1 above the other end of the unlocking block 4. The limit convex column 11 and the second limit convex column 12 are detachably inserted into corresponding connecting holes in the side wall of the chassis 1. The limit convex column 11 also plays a role of abutting against the swing end, when the locking block 3 and the unlocking block 4 are buckled together, the swing end can be abutted against the limit convex column 11, and if the torsion of the reset torsion spring 7 is large, the limit convex column 11 can prevent the swing end from continuously swinging upwards.

The side wall of the underframe 1 is provided with a convex part, the rotating end of the unlocking block 4 can be rotatably connected to the convex part, and a gap is reserved between the swinging end of the unlocking block 4 and the side wall of the underframe 1. A limiting plate 13 is convexly arranged at the bottom of the side wall of the underframe 1, a limiting notch is arranged on the limiting plate 13, and the pull rope 5 penetrates through the limiting notch.

Claims

1. The utility model provides a folding support for car headrest, is including can fixing chassis (1) on car seat and support (2) that can fix the pillow body (8), and horizontal pole (21) of support (2) bottom can be connected on chassis (1) with rotating, its characterized in that: the two ends of the cross rod (21) respectively extend out of the corresponding side walls of the underframe (1), one end of the cross rod (21) extending out of the side walls of the underframe (1) is provided with a locking block (3) which can rotate along with the cross rod (21) relative to the underframe (1), the side wall of the underframe below the locking block (3) is provided with an unlocking block (4) which can swing relative to the underframe (1), the upper part of the unlocking block (4) is provided with a block notch (41) which can be buckled with a locking convex part (31) at the lower end of the locking block (3) to lock the support (2), the swinging end of the unlocking block (4) is connected with the pull rope (5), the other end of the unlocking block (4) is rotatably connected with the underframe (1), the unlocking block (4) is connected with a reset mechanism which keeps the swinging end swinging trend upwards, the reset mechanism is connected with the underframe (1), and when the pull rope (5) is pulled, the swing end swings downwards, the unlocking block (4) is separated from the locking block (3), the support (2) is laid down, and when the support (2) is erected, the locking block (3) is buckled with the unlocking block (4).

2. The folding bracket of claim 1, wherein: the unlocking block (4) is connected to the side wall of the chassis (1) through the rotating pin (6), the reset mechanism is a reset torsion spring (7) sleeved on the rotating pin (6), one end of the reset torsion spring (7) is buckled on the chassis (1), and the other end of the reset torsion spring (7) is connected with the swinging end of the unlocking block (4).

3. The folding bracket of claim 2, wherein: an end convex column (42) is arranged on the swinging end, the pull rope (5) is connected to the end convex column (42), and one end of the reset torsion spring (7) is pressed against the bottom of the end convex column (42).

4. The folding bracket of any one of claims 1 to 3, wherein: support (2) include two montants and a horizontal pole (21), and the bottom of two montants is fixed mutually with locking block (3) that correspond respectively, all is provided with waist type arch at horizontal pole (21) both ends be provided with the waist type hole of can pegging graft on corresponding waist type arch on locking block (3).

5. The folding bracket of claim 4, wherein: the cross rod (21) is sleeved with a second reset torsion spring (22), one end of the second reset torsion spring (22) is in contact with the bottom frame (1) in a propping mode, and the other end of the second reset torsion spring (22) is connected with a limiting pin on the cross rod (21).

6. The folding bracket of claim 5, wherein: a limit convex column (11) which can prevent the pillow body (8) from falling forward is arranged on the side wall of the underframe (1) above the swinging end.

7. The folding bracket of claim 6, wherein: a second limiting convex column (12) which can prevent the pillow body (8) from falling backwards is arranged on the side wall of the chassis (1) above the other end of the unlocking block (4).

8. The folding bracket of claim 7, wherein: the limiting convex column (11) and the second limiting convex column (12) are detachably inserted into corresponding connecting holes in the side wall of the bottom frame (1).

9. The folding bracket of any one of claims 1 to 3, wherein: the side wall of the underframe (1) is provided with a convex part, the rotating end of the unlocking block (4) can be rotatably connected to the convex part, and a gap is reserved between the swinging end of the unlocking block (4) and the side wall of the underframe (1).

10. The folding bracket of any one of claims 1 to 3, wherein: the bottom of the side wall of the underframe (1) is convexly provided with a limiting plate (13), a limiting notch is arranged on the limiting plate (13), and the pull rope (5) penetrates through the limiting notch.