KR20100048410A - An angle control structure of headrest for automobile seat - Google Patents

An angle control structure of headrest for automobile seat Download PDF

Info

Publication number
KR20100048410A
KR20100048410A KR1020080107547A KR20080107547A KR20100048410A KR 20100048410 A KR20100048410 A KR 20100048410A KR 1020080107547 A KR1020080107547 A KR 1020080107547A KR 20080107547 A KR20080107547 A KR 20080107547A KR 20100048410 A KR20100048410 A KR 20100048410A
Authority
KR
South Korea
Prior art keywords
cam
bracket
headrest
rotating
fixed
Prior art date
Application number
KR1020080107547A
Other languages
Korean (ko)
Other versions
KR100998973B1 (en
Inventor
이준성
Original Assignee
(주)현대공업
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)현대공업 filed Critical (주)현대공업
Priority to KR1020080107547A priority Critical patent/KR100998973B1/en
Publication of KR20100048410A publication Critical patent/KR20100048410A/en
Application granted granted Critical
Publication of KR100998973B1 publication Critical patent/KR100998973B1/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/80—Head-rests
    • B60N2/806—Head-rests movable or adjustable
    • B60N2/838—Tiltable
    • B60N2/853—Tiltable characterised by their adjusting mechanisms, e.g. electric motors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/38—Support for the head or the back for the head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00—Optimising design; Manufacturing; Testing
    • B60Y2304/05—Reducing production costs, e.g. by redesign
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/09—Reducing noise

Abstract

PURPOSE: An angle controlling structure of a headrest for a vehicle seat is provided to control an angle of a headrest by repeating hanging and loosing by a latch of a rotating cam which climbs a gear tooth of a fixed cam according to a rotating angle of a headrest. CONSTITUTION: An angle controlling structure of a headrest for a vehicle seat comprises: a fixed cam(20) which has a first guide plate(22) which guides a rotating cam to the counter clockwise direction, a second guide plate(23) which guides the rotating cam to the clockwise direction, and a plurality of gear teeth(21) which engages to a plurality of latches(31) of the rotating cam; the rotating cam(30) which has a cam nose(32) which contacts to the first guide plate, a cam guide plate(33) which contacts to the second guide plate, and the latch; a bracket(50) hangs in the latch with climbing the gear tooth with rotating to the counter clockwise direction; and a center bracket(70) which connects to the bracket and comprises a cam shaft(71) and a detent(72). The both ends of a torsion spring(11) wherein the central part is inserted into a fixed bar(10) are inserted in the bracket and the fixed cam. The torsion spring rotates the bracket by elasticity to the clockwise. The both ends of a cam rotation spring(34) are inserted into the rotating cam and the center bracket. The rotating cam touches to the dent and the latch engages to the gear tooth, by the elasticity of the cam rotation spring.

Description

자동차시트용 헤드레스트의 각도 조절 구조 {An angle control structure of headrest for automobile seat}{An angle control structure of headrest for automobile seat}

본 발명은 자동차용 시트에 부착되는 헤드레스트(Headrest)의 각도를 탑승자가 간단하게 조절할 수 있도록 창안한 것이다. The present invention is invented so that the passenger can easily adjust the angle of the headrest (Headrest) attached to the vehicle seat.

자동차용 헤드레스트는 자동차의 시트 상단부에 장착되어 자동차 추돌사고시 탑승자의 후두부를 안전하게 지지하여 경추의 부상을 최소화하고, 운전 중 탑승자의 후두부를 편안하게 받쳐주어 안전하고 쾌적한 운전에 일조하는 것으로,The car headrest is mounted on the upper part of the seat of the car to safely support the occipital head of the occupant in the event of a car crash, thereby minimizing injuries of the cervical spine, and comfortably supporting the occipital head of the occupant while driving, contributing to safe and comfortable driving.

그 구성은 헤드레스트의 프레임에 스폰지와 같은 쿠션재를 감싸넣고 다시 직물이나 가죽으로 감싼 것이다.Its construction consists of wrapping a sponge-like cushion in the frame of the headrest and then wrapping it in fabric or leather.

개인마다 신체구조 및 후두부의 위치 및 크기가 다르고 또한 후두부에서 느끼는 안치 감각이 다르기 때문에 탑승자는 자동차 구매시 후두부 안치각도의 변형이 가능한 헤드레스트를 선호하며, 안치 감각에 따라 헤드레스트의 안치각도를 변형시켜 후두부의 피로를 해소하기도 한다.Because each person's body structure and location and size of the larynx are different and the sense of settling in the larynx is different, the passenger prefers a headrest that can change the angle of the rear head when purchasing a car. Relieves fatigue in the back of the head.

이러한 탑승자의 요구에 따라 본 발명의 출원인은 특허 제10-790535 호(2007.12.24등록)에서와 같이 "자동차용 헤드레스트"를 선 발명하였다.At the request of the occupant, the applicant of the present invention invented the "headrest for automobile" as in Patent No. 10-790535 (registered on Dec. 24, 2007).

도 6에서와 같이 선 발명은 4절링크의 원리로 구현되어 헤드레스트가 탑승자의 후두부를 향해 전후로 직선이송하도록 구성하였다.As shown in FIG. 6, the invention of the first embodiment is implemented by the principle of the four-link, and the headrest is configured to linearly move back and forth toward the occipital head of the occupant.

그러나 이와 같은 구성은 예시한 도면에서와 같이 수많은 구성품들이 사용되고 이 구성품들이 유기적으로 작동되어야 하기에 제작비용이 비싸며, 고장 및 소음이 자주 발생하는 문제가 있었다. However, such a configuration has a problem in that a large number of components are used as shown in the illustrated drawings and these components have to be operated organically, and thus the manufacturing cost is high, and failure and noise frequently occur.

본 발명은 종래의 직선방향으로 위기가 변동하되 수 많은 구성품을 사용하여 구성된 헤드레스트의 구조를 개선하여,The present invention improves the structure of the head restraint composed of a number of components while the crisis changes in the conventional straight direction,

헤드레스트(80)가 고정봉(10)을 축으로 회동하도록 각도를 조절할 수 있도록 하되 그 구성을 단순화 하여, 생산비를 크게 절감하고, 고장 및 소음이 발생하지 않으면서 사용자가 편리하게 헤드레스트의 각도를 조절할 수 있도록 구성하는 것이 본 발명이 해결하고자 하는 과제이다. The headrest 80 can adjust the angle to rotate the fixed rod 10 to the axis, but the configuration is simplified, greatly reducing the production cost, the user can conveniently angle the headrest without failure and noise It is a problem to be solved by the present invention to configure to adjust the.

자동차용 헤드레스트에 있어서,In the car headrest,

고정봉(10)에 끼워져 고정되는 고정캠(20)은 회전캠(30)을 반시계방향으로 안내하는 제1안내면(22)과, 회전캠(30)을 시계방향으로 안내하는 제2안내면(23)과, 회전캠(30)의 걸림치(31)와 맞물리는 다수의 기어치(21)가 구성되고,The fixed cam 20 inserted into and fixed to the fixing rod 10 has a first guide surface 22 for guiding the rotating cam 30 in a counterclockwise direction, and a second guide surface for guiding the rotating cam 30 in a clockwise direction ( 23 and a plurality of gear teeth 21 engaged with the engaging teeth 31 of the rotary cam 30,

중앙브래킷(70)의 캠축(71)에 끼워져 회동되는 회전캠(30)은 제1안내면(22)과 맞닿는 캠노즈(32)와, 제2안내면(23)과 맞닿는 캠안내면(33)과, 브래킷(50)이 반시계방향으로 회동시 기어치(21)를 타고 넘으며 걸리는 걸림치(31)가 구성되며,The rotating cam 30 fitted to the cam shaft 71 of the center bracket 70 rotates includes a cam nose 32 which contacts the first guide surface 22, a cam guide surface 33 which contacts the second guide surface 23, and When the bracket 50 rotates in the counterclockwise direction, the latching gear 31 is configured to be caught and ride over the gear tooth 21.

고정봉(10)에 끼워져 외력에 의해 회동되는 브래킷(50)은 중앙브래킷(70)에 연결되고,The bracket 50 inserted into the fixed rod 10 and rotated by an external force is connected to the central bracket 70.

중앙브래킷(70)은 회전캠(30)이 끼워져 회동되도록 캠축(71)과 회전된 회전 캠(30)을 멈추는 멈춤돌기(72)가 구성되며,The central bracket 70 is composed of a stopper 72 for stopping the cam shaft 71 and the rotated rotary cam 30 so that the rotary cam 30 is inserted and rotated,

고정봉(10)에 중심부가 끼워진 비틀림스프링(11)은 양단이 브래킷(50)과 고정캠(20)에 끼워져 그 탄성으로 브래킷(50)을 시계방향으로 회동하도록 구성되고,The torsion spring 11, the center of which is fitted to the fixing rod 10, both ends are fitted to the bracket 50 and the fixing cam 20, and is configured to rotate the bracket 50 clockwise with its elasticity.

탄성력에 의해 회전캠(30)이 멈춤돌기(72)에 맞닿도록 회전시키거나, 걸림치(31)가 기어치(21)에 맞물리도록 양단이 회전캠(30)과 중앙브래킷(70)에 끼워져 연결된 캠회전스프링(34)이 구성된 것을 특징으로 하는 자동차시트용 헤드레스트 의 각도조절 구조에 대한 것이다.The rotary cam 30 is rotated to abut against the stopper 72 by the elastic force, or both ends are fitted to the rotary cam 30 and the central bracket 70 so that the engaging teeth 31 are engaged with the gear teeth 21. It is directed to the angle adjustment structure of the headrest for the car seat, characterized in that the cam rotation spring 34 is connected.

이상과 같은 본 발명은 종래에 비해 구성이 매우 단순하면서도 탑승자가 헤드레스트 각도를 간편하게 조절할 수 있으며 제작 비용이 낮고 고장 발생이 적은 헤드레스트를 생산할 수 있다. The present invention as described above is very simple in configuration compared to the conventional, the occupant can easily adjust the headrest angle, low production cost and can produce a headrest less trouble occurs.

헤드레스트(80)는 스폰지와 같은 쿠션재를 넣고 직물이나 가죽으로 감싼 것으로 헤드레스트(80)의 내부에 구성된 프레임이 브라켓(50)에 부착된 것이다.The headrest 80 is a cushion material such as a sponge and wrapped in fabric or leather, and a frame configured inside the headrest 80 is attached to the bracket 50.

본 발명은 이러한 헤드레스트(80)의 각도를 임의로 조절할 수 있도록 한 것으로 그 구성은 도 1 내지 도 3을 예시하여 설명하면 다음과 같다.The present invention is to be able to arbitrarily adjust the angle of the headrest 80, the configuration is described with reference to Figures 1 to 3 as follows.

시트에 끼워져 헤드레스트(80)의 높낮이를 조절하는 한 쌍의 스테이폴(12)과 이 스테이폴(12)에 사이에 부착된 고정봉(10)에 끼워져 고정되는 고정캠(20)이 구 성된다. Consists of a pair of staples 12 fitted to the seat to adjust the height of the headrest 80 and a fixed cam 20 to be fixed to the fixing rod 10 attached between the staples 12 do.

이 고정캠(20)은 회전캠(30)을 반시계방향으로 안내하는 제1안내면(22)과, 회전캠(30)을 시계방향으로 안내하는 제2안내면(23) 및 회전캠(30)의 걸림치(31)가 타고 넘으면서 맞물리는 다수의 기어치(21)가 구성된다. The fixed cam 20 has a first guide surface 22 for guiding the rotating cam 30 in a counterclockwise direction, a second guide surface 23 and a rotating cam 30 for guiding the rotating cam 30 in a clockwise direction. A plurality of gear teeth 21 meshing while the engaging teeth 31 ride over are configured.

중앙브래킷(70)의 캠축(71)에 끼워져 회동되는 회전캠(30)은 제1안내면(22)과 맞닿으면 회전캠(30)을 반시계 방향으로 회동시키는 캠노즈(32)와, 제2안내면(23)과 맞닿으면 회전캠(30)을 시계방향으로 회동시키는 캠안내면(33)과, 브래킷(50)이 반시계방향으로 회동시 기어치(21)를 타고 넘으며 맞물리는 걸림치(31)가 구성된다. The rotating cam 30 fitted to the cam shaft 71 of the central bracket 70 and rotated is a cam nose 32 which rotates the rotating cam 30 counterclockwise when contacted with the first guide surface 22. 2 If the guide surface 23 is in contact with the cam guide surface 33 for rotating the rotating cam 30 in the clockwise direction, and the bracket 50 is rotated over the gear teeth 21 when rotating in the counterclockwise direction, the engaging engagement Tooth 31 is configured.

고정봉(10)에 끼워져 외력에 의해 회동되는 한쌍의 브래킷(50)은 중앙브래킷(70)에 연결된다. A pair of brackets 50 inserted into the fixed rod 10 and rotated by an external force are connected to the central bracket 70.

중앙브래킷(70)은 회전캠(30)이 끼워지는 회동되도록 캠축(71)과 회전된 회전캠(30)이 멈추는 멈춤돌기(72)가 구성된다.The central bracket 70 has a stopper 72 for stopping the cam shaft 71 and the rotated rotating cam 30 so that the rotating cam 30 is rotated.

고정봉(10)에 중심부가 끼워진 비틀림스프링(11)은 양단이 브래킷(50)과 고정캠(20)에 끼워지되, 그 탄성으로 브래킷(50)이 시계방향으로 회동도록 구성된다. The torsion spring 11, the center of which is fitted to the fixing rod 10, both ends are fitted to the bracket 50 and the fixing cam 20, the elasticity of the bracket 50 is configured to rotate clockwise.

양단이 회전캠(30)과 중앙브래킷(70)에 끼워진 캠회전스프링(34)은 캠회전스프링(34)의 회동위치에 따라 탄성력에 의해 회전캠(30)이 멈춤돌기(72)에 맞닿도록 회동시키거나, 걸림치(31)가 기어치(21)에 맞물리도록 탄성이 발생된다. The cam rotation springs 34, both ends of which are fitted to the rotary cam 30 and the central bracket 70, are brought into contact with the stopper 72 by the elastic force according to the rotational position of the cam rotation spring 34. Rotation or elasticity is generated so that the engaging teeth 31 mesh with the gear teeth 21.

이상과 같이 구성된 본 발명은 비틀림스프링(11)의 탄성에 의해 브래킷(50)이 시계방향으로 회동하려고 하나, 중앙브래킷(70)에 끼워진 회전캠(30)의 걸림 치(31)가 고정캠(20)의 기어치(21)에 물려 걸리기 때문에 브래킷(50)에 부착된 헤드레스트(80)가 회동되지 못하고 고정된다.In the present invention configured as described above, the bracket 50 is rotated clockwise due to the elasticity of the torsion spring 11, but the locking teeth 31 of the rotary cam 30 fitted to the central bracket 70 are fixed to the cam ( The headrest 80 attached to the bracket 50 cannot be rotated and fixed because it is caught by the gear tooth 21 of 20).

이상과 같이 구성된 본 발명의 헤드레스트(80)의 각도 조절을 위한 작동 예를 도 4 및 도 5를 예시하여 설명하면 다음과 같다.An example of an operation for adjusting the angle of the headrest 80 of the present invention configured as described above will be described with reference to FIGS. 4 and 5 as follows.

도 4의 (A), (b), (C)는 본 발명이 고정봉(10)을 축으로 헤드레스트(80)가 각도 조절이 되는 상태를 예시한 도면으로,4 (A), (b), (C) is a view illustrating a state in which the headrest 80 is the angle adjustment of the present invention, the axis of the fixed rod 10,

헤드레스트(80)에 발생중인 비틀림스프링(11)의 탄성을 이기고 헤드레스트(80)를 반시계방향으로 회동시키면 헤드레스트(80)에 고정된 브래킷(50)과 이 브래킷(50)과 연결된 중앙브래킷(70)이 고정봉(10)을 축으로 회동하게 된다.When the torsion spring 11 generated in the headrest 80 is overcome and the headrest 80 is rotated counterclockwise, the bracket 50 fixed to the headrest 80 and the center connected to the bracket 50 are fixed. The bracket 70 pivots around the fixed rod 10.

이때 캠회전스프링(34)은 회전캠(30)이 시계방향으로 회동하도록 탄성이 발생하게 되는데,At this time, the cam rotation spring 34 is elastic is generated so that the rotation cam 30 rotates in the clockwise direction,

이 탄성에 의해 고정캠(20)의 기어치(21)에 맞물린 회전캠(30)의 걸림치(31)가 기어치(21)의 안내에 따라 캠회전스프링(34)의 탄성을 이기고 빠져나오다 기어치(21)의 정점을 지나면 캠회전스프링(34)의 탄성에 의해 다시 상단의 기어치(21)로 끼워진다. By this elasticity, the engaging teeth 31 of the rotary cam 30 engaged with the gear teeth 21 of the fixed cam 20 overcome the elasticity of the cam rotation spring 34 with the guidance of the gear teeth 21 and exit. After passing the apex of the gear tooth 21, it is fitted into the gear tooth 21 of the upper end by the elasticity of the cam rotation spring 34 again.

즉, 헤드레스트(80)의 회동각도에 따라 회전캠(30)의 걸림치(31)가 고정캠(20)의 기어치(21)를 타고 넘으면서 걸림 및 해제가 반복되어 헤드레스트(80)의 각도 조절이 이루어 진다. That is, according to the angle of rotation of the headrest 80, while the catch 31 of the rotary cam 30 passes over the gear tooth 21 of the fixed cam 20, the catch and release of the headrest 80 are repeated. The angle adjustment is made.

헤드레스트(80)의 각도를 재설정 하기 위해서는 도 5에의 (A)에서와 같이 헤 드레스트(80)를 최대한 반시계방향으로 회동시키면 브래킷(50)이 고정봉(10)을 축으로 회동되면서 회전캠(30)의 캠노즈(32)가 고정캠(20)의 제1안내면(22)과 맞닿으면서 회전캠(30)을 반시계방향으로 회동시키게 되고 기어치(21)에 맞물렸던 걸림치(31)가 빠져 나오게 된다. In order to reset the angle of the headrest 80, as shown in (A) of FIG. 5, when the headdress 80 is rotated as counterclockwise as possible, the bracket 50 rotates while the fixing rod 10 is rotated about its axis. While the cam nose 32 of the cam 30 is in contact with the first guide surface 22 of the fixed cam 20, the rotating cam 30 is rotated counterclockwise and engaged with the gear tooth 21. (31) comes out.

이때 회전캠(30)이 반시계방향으로 회동하면서 캠회전스프링(34)의 탄성 방향이 회전캠(30)이 시계방향으로 회동하도록 탄성이 발생되고, 회동된 회전캠(30)은 멈춤돌기(72)에 맞닿아 회동이 멈추게 된다.At this time, while the rotating cam 30 rotates in the counterclockwise direction, the elastic direction of the cam rotating spring 34 is rotated so that the rotating cam 30 rotates in the clockwise direction, and the rotated rotating cam 30 stops. 72) the rotation stops.

도 5의 (B)에서와 같이 걸림치(31)가 기어치(21)에 맞물림이 해제됨에 따라 비틀림스프링(11)의 탄성에 의해 브래킷(50)이 시계방향으로 회동하게 되면서, 회전캠(30)의 캠안내면(33)이 고정캠(20)의 제2안내면(23)과 맞닿아 회전캠(30)이 시계방향으로 회동하도록 안내하여,As the engaging teeth 31 are engaged with the gear teeth 21 as shown in FIG. 5B, the bracket 50 is rotated clockwise by the elasticity of the torsion spring 11, thereby rotating the cam ( The cam guide surface 33 of 30 is in contact with the second guide surface 23 of the fixed cam 20 to guide the rotating cam 30 to rotate clockwise,

도 5의 (C)에서와 같이 회전캠(30)의 걸림치(31)가 고정캠(20)의 기어치(21)의 최하단과 다시 맞물리면서 브래킷(50)의 회동이 멈추게 되어 헤드레스트(80)의 각도는 도 3에서와 같은 최초의 상태가 된다.As shown in FIG. 5C, the locking teeth 31 of the rotary cam 30 are engaged with the lowermost end of the gear teeth 21 of the fixed cam 20 to stop the rotation of the bracket 50 so that the headrest 80 is stopped. ) Angle becomes the initial state as shown in FIG.

도 1은 본 발명의 분해된 상태를 예시한 사시도1 is a perspective view illustrating an exploded state of the present invention

도 2는 본 발명의 조립된 상태를 예시한 사시도Figure 2 is a perspective view illustrating an assembled state of the present invention

도 3은 본 발명의 조립된 상태를 예시한 측면도Figure 3 is a side view illustrating the assembled state of the present invention

도 4는 본 발명의 각도가 조절되는 작동 상태를 예시한 측면도Figure 4 is a side view illustrating an operating state in which the angle of the present invention is adjusted

도 5는 본 발명의 각도가 복원되는 작동 상태를 예시한 측면도5 is a side view illustrating an operating state in which the angle of the present invention is restored.

도 6은 선 발명을 예시한 분해 사시도6 is an exploded perspective view illustrating the invention of the line

<도면의 주요 부분에 대한 부호 설명><Description of the symbols for the main parts of the drawings>

10: 고정봉10: fixed rod

11: 비틀림스프링11: torsion spring

12: 스테이폴12: Stayfall

20: 고정캠20: fixed cam

21: 기어치21: gear tooth

22: 제1안내면22: first guide page

23: 제2안내면23: second guide page

30: 회전캠30: rotating cam

31: 걸림치31: Jam

32: 캠노즈32: Camnose

33: 캠안내면33: Cam guide surface

34: 캠회전스프링34: Cam rotating spring

50: 브래킷50: bracket

70: 중앙브래킷70: center bracket

71: 캠축71: camshaft

72: 멈춤돌기72: stopper

80: 헤드레스트80: headrest

Claims (1)

자동차용 헤드레스트에 있어서,In the car headrest, 고정봉(10)에 끼워져 고정되는 고정캠(20)은 회전캠(30)을 반시계방향으로 안내하는 제1안내면(22)과, 회전캠(30)을 시계방향으로 안내하는 제2안내면(23)과, 회전캠(30)의 걸림치(31)와 맞물리는 다수의 기어치(21)가 구성되고,The fixed cam 20 inserted into and fixed to the fixing rod 10 has a first guide surface 22 for guiding the rotating cam 30 in a counterclockwise direction, and a second guide surface for guiding the rotating cam 30 in a clockwise direction ( 23 and a plurality of gear teeth 21 engaged with the engaging teeth 31 of the rotary cam 30, 중앙브래킷(70)의 캠축(71)에 끼워져 회동되는 회전캠(30)은 제1안내면(22)과 맞닿는 캠노즈(32)와, 제2안내면(23)과 맞닿는 캠안내면(33)과, 브래킷(50)이 반시계방향으로 회동시 기어치(21)를 타고 넘으며 걸리는 걸림치(31)가 구성되며,The rotating cam 30 fitted to the cam shaft 71 of the center bracket 70 rotates includes a cam nose 32 which contacts the first guide surface 22, a cam guide surface 33 which contacts the second guide surface 23, and When the bracket 50 rotates in the counterclockwise direction, the latching gear 31 is configured to be caught and ride over the gear tooth 21. 고정봉(10)에 끼워져 외력에 의해 회동되는 브래킷(50)은 중앙브래킷(70)에 연결되고,The bracket 50 inserted into the fixed rod 10 and rotated by an external force is connected to the central bracket 70. 중앙브래킷(70)은 회전캠(30)이 끼워져 회동되도록 캠축(71)과 회전된 회전캠(30)을 멈추는 멈춤돌기(72)가 구성되며,The central bracket 70 is composed of a stop projection 72 for stopping the cam shaft 71 and the rotated rotary cam 30 so that the rotary cam 30 is rotated, 고정봉(10)에 중심부가 끼워진 비틀림스프링(11)은 양단이 브래킷(50)과 고정캠(20)에 끼워져 그 탄성으로 브래킷(50)을 시계방향으로 회동하도록 구성되고,The torsion spring 11, the center of which is fitted to the fixing rod 10, both ends are fitted to the bracket 50 and the fixing cam 20, and is configured to rotate the bracket 50 clockwise with its elasticity. 탄성력에 의해 회전캠(30)이 멈춤돌기(72)에 맞닿도록 회전시키거나, 걸림치(31)가 기어치(21)에 맞물리도록 양단이 회전캠(30)과 중앙브래킷(70)에 끼워져 연결된 캠회전스프링(34)이 구성된 것을 특징으로 하는 자동차시트용 헤드레스트의 각도조절 구조.The rotary cam 30 is rotated to abut against the stopper 72 by the elastic force, or both ends are fitted to the rotary cam 30 and the central bracket 70 so that the engaging teeth 31 are engaged with the gear teeth 21. Angle adjustment structure of the headrest for the car seat, characterized in that the cam rotation spring 34 is connected.
KR1020080107547A 2008-10-31 2008-10-31 An angle control structure of headrest for automobile seat KR100998973B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020080107547A KR100998973B1 (en) 2008-10-31 2008-10-31 An angle control structure of headrest for automobile seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020080107547A KR100998973B1 (en) 2008-10-31 2008-10-31 An angle control structure of headrest for automobile seat

Publications (2)

Publication Number Publication Date
KR20100048410A true KR20100048410A (en) 2010-05-11
KR100998973B1 KR100998973B1 (en) 2010-12-09

Family

ID=42275178

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020080107547A KR100998973B1 (en) 2008-10-31 2008-10-31 An angle control structure of headrest for automobile seat

Country Status (1)

Country Link
KR (1) KR100998973B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101327394B1 (en) * 2011-11-23 2013-11-08 주식회사 우보테크 Apparatus for forward and backward movement of car headrests
US10308153B2 (en) 2014-07-11 2019-06-04 Woobo Tech Co., Ltd. Headrest moving device
CN110481393A (en) * 2019-08-30 2019-11-22 延锋安道拓座椅有限公司 A kind of ratchet-type backrest multistage lock

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100506026B1 (en) 2003-04-09 2005-08-04 현대모비스 주식회사 Seat having a head-rest of angle variable
KR100598597B1 (en) 2005-07-28 2006-07-13 코리아에프티 주식회사 Headrest for an automobile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101327394B1 (en) * 2011-11-23 2013-11-08 주식회사 우보테크 Apparatus for forward and backward movement of car headrests
US8857910B2 (en) 2011-11-23 2014-10-14 Woobo Tech Co., Ltd. Apparatus for moving headrest
US10308153B2 (en) 2014-07-11 2019-06-04 Woobo Tech Co., Ltd. Headrest moving device
CN110481393A (en) * 2019-08-30 2019-11-22 延锋安道拓座椅有限公司 A kind of ratchet-type backrest multistage lock

Also Published As

Publication number Publication date
KR100998973B1 (en) 2010-12-09

Similar Documents

Publication Publication Date Title
JP4982368B2 (en) Vehicle device for automatically blocking parts, in particular vehicle seats
KR101356136B1 (en) Seat-back Latch for Motor Vehicle
JP2003125891A (en) Lumbar support device
JP5530294B2 (en) Seat back device
JP5613838B2 (en) Headrest for vehicle seat
US20170088025A1 (en) Electric-powered headrest
KR101274451B1 (en) Headrest for vehicle
WO2022237662A1 (en) Large-stroke seat armrest mechanism
KR200471361Y1 (en) Seat armrest for vehicles
KR100998973B1 (en) An angle control structure of headrest for automobile seat
JPH06141949A (en) Angle adjusting mechanism for arm rest
CN109703427A (en) A kind of headrest for automobile of rotatable flexible
KR100189489B1 (en) The headrest of a seat
KR102107413B1 (en) Variable vehicle seat
CN209921134U (en) Seat adjustment mechanism and vehicle
JP4871575B2 (en) Seat reclining device
KR101716976B1 (en) Automatic headrest
JP5278227B2 (en) Vehicle seat height adjustment device
KR101002730B1 (en) Headrest folding device for Automobile seat
KR101679688B1 (en) Arm-rest tilting apparatus for vehicle
JP5141198B2 (en) Car seat equipment
JP4855792B2 (en) Seat reclining device with seat back load adjustment structure
JP6684576B2 (en) Armrest device
WO2008072728A1 (en) Seat device for vehicle
KR101806123B1 (en) headrest for vehicle

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20130424

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20140421

Year of fee payment: 5

FPAY Annual fee payment

Payment date: 20150618

Year of fee payment: 6

FPAY Annual fee payment

Payment date: 20160621

Year of fee payment: 7

FPAY Annual fee payment

Payment date: 20170627

Year of fee payment: 8

FPAY Annual fee payment

Payment date: 20180704

Year of fee payment: 9

FPAY Annual fee payment

Payment date: 20190709

Year of fee payment: 10