KR20030021681A - Neck anti-injury device of headrest for automobile - Google Patents

Neck anti-injury device of headrest for automobile Download PDF

Info

Publication number
KR20030021681A
KR20030021681A KR1020010055055A KR20010055055A KR20030021681A KR 20030021681 A KR20030021681 A KR 20030021681A KR 1020010055055 A KR1020010055055 A KR 1020010055055A KR 20010055055 A KR20010055055 A KR 20010055055A KR 20030021681 A KR20030021681 A KR 20030021681A
Authority
KR
South Korea
Prior art keywords
headrest
neck
head
piston rod
cylinder device
Prior art date
Application number
KR1020010055055A
Other languages
Korean (ko)
Inventor
이근배
Original Assignee
현대자동차주식회사
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 현대자동차주식회사 filed Critical 현대자동차주식회사
Priority to KR1020010055055A priority Critical patent/KR20030021681A/en
Publication of KR20030021681A publication Critical patent/KR20030021681A/en

Links

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
    • B60N2/888—Head-rests with arrangements for protecting against abnormal g-forces, e.g. by displacement of the head-rest
    • 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
    • B60N2/809—Head-rests movable or adjustable vertically slidable
    • B60N2/812—Head-rests movable or adjustable vertically slidable characterised by their locking devices
    • B60N2/821—Head-rests movable or adjustable vertically slidable characterised by their locking devices with continuous positioning
    • 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
    • B60N2/809—Head-rests movable or adjustable vertically slidable
    • B60N2/829—Head-rests movable or adjustable vertically slidable characterised by their adjusting mechanisms, e.g. electric motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)

Abstract

PURPOSE: A neck protecting apparatus of a headrest for a vehicle is provided to prevent the neck of the passenger from being injured by restricting the head from being pulled back with moving the headrest upward at a rear-end collision. CONSTITUTION: An electronic control unit(11) controls a gas generator(12) according to signals from a collision detecting sensor(10) at a rear-end collision. A headrest(17) moves up to support the head of the passenger by operating a driving unit with gas pressure of the gas generator. The driving unit pushes a disk(19) connected to a support bar(18) of the headrest by driving first and second cylinder units(13,15) with piston rods(14,16). Teeth are formed in the inner periphery of the first cylinder unit and the outer periphery of the piston rod to restrict the piston rod from moving down. The neck is protected with preventing the head of the passenger from being pulled back by moving up the headrest at the rear-end collision.

Description

자동차용 헤드레스트의 목부상 방지 장치{Neck anti-injury device of headrest for automobile}Neck anti-injury device of headrest for automobile

본 발명은 자동차용 헤드레스트의 목부상 방지 장치에 관한 것으로서, 더욱상세하게는 자동차의 후방 추돌 사고시, 충돌 감지 센서로부터 입력된 신호로 제어되는 가스 발생기의 가스 압력이 구동 수단, 즉 제 1 실린더 장치와 제 2실린더 장치를 구동시켜 헤드레스트가 탑승자의 머리에 대해 상향으로 이동됨으로써, 후방 추돌 사고시에 탑승자의 머리가 뒤로 젖혀지는 것을 막아주어 목부상을 방지할 수 있는 자동차용 헤드레스트의 목부상 방지 장치에 관한 것이다.The present invention relates to an apparatus for preventing neck injury of a head restraint for a vehicle, and more particularly, a gas pressure of a gas generator controlled by a signal input from a collision detection sensor in a rear collision accident of a vehicle is driven by a driving means, that is, a first cylinder device And the second cylinder device to move the headrest upward with respect to the occupant's head, thereby preventing neck injuries of the headrest for automobiles, which can prevent the head of the occupant from falling back during a rear collision accident. Relates to a device.

일반적으로 자동차 시트백 상단에는 탑승자의 머리를 받쳐줄 수 있도록 헤드레스트가 장착되어 주행중 탑승자의 머리를 편하게 받쳐주는 기능을 제공한다.In general, the headrest is mounted on the top of the car seat back to support the occupant's head and provides a function of comfortably supporting the occupant's head while driving.

한편, 도 2에 도시된 바와 같이, 자동차의 충돌시 관성에 의해 탑승자의 몸이 후방으로 밀리게되고, 이때 탑승자 상체의 후방 속도와 머리의 후방 속도의 차이에 의해 목이 뒤로 젖혀지면서 목부상이 발생되며 탑승자의 머리와 헤드레스트 사이의 간격이 좁을수록 탑승자의 목부상의 위험은 줄어든다.On the other hand, as shown in Figure 2, the body of the occupant is pushed to the rear by the inertia during the collision of the car, at this time, the neck is flipped back by the difference in the rear speed of the upper body of the occupant and the head injury occurs The narrower the gap between the occupant's head and headrest, the less risk the neck of the occupant will be.

그러나, 상기와 같은 구조로 헤드레스트가 장착된 자동차는 탑승자의 머리와 헤드레스트 사이의 간격이 조절되는 별도의 장치가 없으므로 자동차의 충돌시, 도 2에 도시된 바와 같이, 관성에 의해 탑승자의 몸은 시트백 방향으로 이동하면 이에 탑승자의 머리가 뒤로 젖혀지면서 목부상을 입게되는 문제점이 있었다.However, the vehicle equipped with the headrest as described above does not have a separate device for adjusting the distance between the occupant's head and the headrest, so when the car crashes, as shown in Figure 2, the body of the occupant by inertia When moving in the seatback direction there was a problem that the head of the occupant is inclined back and suffered neck injury.

따라서, 본 발명은 상기와 같은 문제점을 감안하여 안출한 것으로서, 자동차의 후방 추돌 사고시, 충돌 감지 센서로부터 입력된 신호로 제어되는 가스 발생기의 가스 압력이 구동 수단, 즉 제 1 실린더 장치와 제 2실린더 장치를 구동시켜 헤드레스트가 상향으로 이동됨으로써, 후방 추돌 사고시에 탑승자의 머리가 뒤로 젖혀지는 것을 막아주어 목부상을 방지할 수 있는 자동차용 헤드레스트의 목부상 방지 장치를 제공하는데 그 안출의 목적이 있다.Accordingly, the present invention is conceived in view of the above problems, the gas pressure of the gas generator controlled by the signal input from the collision detection sensor during the rear collision of the vehicle is driven means, that is, the first cylinder device and the second cylinder The headrest is moved upward by driving the device, thereby providing a neck injury prevention device for a car headrest that can prevent the head of the occupant from falling back in the event of a rear collision and prevent neck injuries. have.

도 1은 본 발명에 따른 자동차용 헤드레스트의 목부상 방지 장치를 나타내는 절개 사시도Figure 1 is a perspective view of the cutaway showing the apparatus for preventing neck injury of the headrest for automobiles according to the present invention

도 2는 종래의 충돌시 탑승자의 상태를 나타내기 위해 도시한 측면도Figure 2 is a side view showing to show the state of the passenger during a conventional collision

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10 : 충돌 감지 센서11 : 전자 제어 장치10 collision detection sensor 11: electronic control device

12 : 가스 발생기13 : 제 1실린더 장치12 gas generator 13: first cylinder device

14 : 피스톤 로드15 : 제 2실린더 장치14 piston rod 15 second cylinder device

16 : 피스톤 로드17 : 헤드레스트16: piston rod 17: headrest

18 : 지지바19 : 원판18: support bar 19: disc

이하, 상기와 같은 목적을 달성하기 위한 본 발명의 특징에 대해 설명하면 다음과 같다.Hereinafter, the features of the present invention for achieving the above object are as follows.

본 발명에 따른 자동차용 헤드레스트의 목부상 방지 장치는 자동차의 후방 추돌 사고시, 충돌 감지 센서(10)로부터 입력된 신호로 제어되는 전자 제어 장치(11)가 가스 발생기(12)를 제어하고, 상기 가스 발생기(12)의 가스 압력이 구동 수단을 구동시켜 헤드레스트(17)가 탑승자의 머리를 지지할 수 있도록 상향으로 이동되는 것을 특징으로 한다.In the neck restraint prevention device of the head restraint vehicle according to the present invention, in the rear collision of the vehicle, the electronic control device 11 controlled by the signal input from the collision detection sensor 10 controls the gas generator 12, The gas pressure of the gas generator 12 is driven to drive the drive means, characterized in that the headrest 17 is moved upwardly to support the occupant's head.

특히, 상기 구동 수단은 제 1실린더 장치(13)와 제 2실린더 장치(15)가 피스톤 로드(14, 16)로 연계, 구동되어 헤드레스트(17)의 지지바(18)에 연결된 원판(19)을 밀 수 있도록 형성된 것을 특징으로 한다.In particular, the drive means includes a disc 19 in which the first cylinder device 13 and the second cylinder device 15 are driven in conjunction with the piston rods 14 and 16 to be connected to the support bar 18 of the headrest 17. It is characterized in that it is formed to push.

한편, 상기 제 1실린더 장치(13)의 내주면과 피스톤 로드(14)의 외주면에는 내부의 기밀 유지 미비로 인한 가스압의 감소로 피스톤 로드(14)가 내려오지 않도록 톱니바퀴 형상으로 형성된 것을 특징으로 한다.On the other hand, the inner circumferential surface of the first cylinder device 13 and the outer circumferential surface of the piston rod 14 is characterized in that it is formed in a gear shape so that the piston rod 14 does not come down due to a decrease in gas pressure due to the lack of airtight holding inside. .

이하, 첨부도면을 참조하여 본 발명의 구성에 대해 상세하게 설명하면 다음과 같다.Hereinafter, the configuration of the present invention with reference to the accompanying drawings in detail.

도 1은 본 발명에 따른 자동차용 헤드레스트의 목부상 방지 장치를 나타내는 사시도이다.1 is a perspective view showing a neck injury prevention device of a headrest for a vehicle according to the present invention.

자동차의 후방 추돌사고시, 가속도가 갑자기 증가하게 되어 이를 감지하는 충돌 감지 센서(10)가 자동차 내부에 설치된다.In the rear collision accident of the vehicle, the acceleration is suddenly increased, the collision detection sensor 10 for detecting this is installed inside the vehicle.

상기 충돌 감지 센서(10)는 충돌 신호를 인가한 후 전자 제어 장치(11)에 전달하게 된다.The collision detection sensor 10 transmits the collision signal to the electronic control device 11.

상기 전자 제어 장치(11)는 가스 발생기(12)를 제어하게 된다.The electronic control device 11 controls the gas generator 12.

상기 가스 발생기(12)의 폭발 가스 압력에 의해 상승 이동하는 제 1실린더 장치(13)의 피스톤 로드(14)는 일정 시간 경과 후에 이 제 1실린더 장치(13)의 내부의 기밀 유지 미비로 인한 가스압의 감소로 내려오지 않도록 그 외주면에 톱니바퀴 형상으로 형성되고, 상기 제 1실린더 장치(13)의 내주면도 마찬가지로 톱니바퀴 형상으로 형성된다.The piston rod 14 of the first cylinder device 13, which is moved up by the explosion gas pressure of the gas generator 12, has a gas pressure due to incomplete airtightness of the interior of the first cylinder device 13 after a predetermined time elapses. The outer circumferential surface is formed in the shape of a cogwheel so as not to decrease due to the decrease in the circumference, and the inner circumferential surface of the first cylinder device 13 is similarly formed in the cogwheel shape.

또한, 상기 제 1실린더 장치(13)의 피스톤 로드(14) 상에 제 2실린더 장치(15)의 피스톤 로드(16)가 연결되어 있다.In addition, the piston rod 16 of the second cylinder device 15 is connected to the piston rod 14 of the first cylinder device 13.

이때 상기 제 2실린더 장치(15)의 피스톤 로드(16)의 길이는 성인의 목부위 평균 길이로 설정된다.At this time, the length of the piston rod 16 of the second cylinder device 15 is set to the average length of the neck of the adult.

한편, 상기 피스톤 로드(16)의 상부에는 헤드레스트(17)의 지지바(18)와 연결되어 이 피스톤 로드(16)가 미는 공기압에 의해 상승되도록 원판(19)이 제 2실린더 장치(15)에 설치되어 있다.On the other hand, the disc 19 is connected to the support bar 18 of the headrest 17 on the upper portion of the piston rod 16 so that the disc 19 is raised by the air pressure pushed by the piston rod 16 to the second cylinder device 15. Installed in

그런데, 상기 제 2실린더 장치(15)의 피스톤 로드(16)와 지지바(18)를 직접연결하지 않은 이유는 상기 헤드레스트(17)의 높이를 수동으로 조절하는 기능을 유지하기 위함이다.However, the reason for not directly connecting the piston rod 16 and the support bar 18 of the second cylinder device 15 is to maintain the function of manually adjusting the height of the headrest 17.

다음에는 이러한 구성을 갖는 본 발명의 작동원리에 대해 설명하기로 한다.Next, the operation principle of the present invention having such a configuration will be described.

자동차의 후방 추돌 사고시에 가속도가 증가하게 되며 이를 통해 충돌임을 감지한 충돌 감지 센서(10)의 신호가 전자 제어 장치(11)에 인가되면, 상기 전자 제어 장치(11)는 가스 발생기(12)의 폭약을 터트려 가스를 발생시키고, 고압의 가스가 연계된 제 1실린더 장치(13)와 제 2실린더 장치(14)의 피스톤 로드(14, 16)를 상방향으로 밀어내고, 이는 다시 헤드레스트(17)의 지지바(18)와 연결된 원판(19)을 밀게 되어 상기 헤드레스트(17)는 상승하게 된다.When the rear collision of the vehicle, the acceleration is increased, and when the signal of the collision detection sensor 10 that detects the collision is applied to the electronic control device 11, the electronic control device 11 of the gas generator 12 The explosives are expelled to generate gas, and the piston rods 14 and 16 of the first cylinder device 13 and the second cylinder device 14 connected with the high pressure gas are pushed upward, which in turn causes the headrest 17 By pushing the disc 19 is connected to the support bar 18 of the headrest 17 is raised.

따라서, 이와 같은 헤드레스트의 목부상 방지 장치는 자동차의 후방 추돌 초기부터 전 과정에 걸쳐 헤드레스트(17)가 머리를 지지하게 되므로 목부상을 현저히 줄일 수 있다.Therefore, the neck restraint prevention device of the headrest can significantly reduce the neck injuries because the headrest 17 supports the head from the beginning of the rear collision of the vehicle to the whole process.

이상에서 상술한 바와 같이, 본 발명에 따른 자동차용 헤드레스트의 목부상 방지 장치는 자동차의 후방 추돌 사고시, 충돌 감지 센서로부터 입력된 신호로 제어되는 가스 발생기의 가스 압력이 구동 수단, 즉 제 1 실린더 장치와 제 2실린더 장치를 구동시켜 헤드레스트가 탑승자의 머리에 대해 상향으로 이동됨으로써, 후방 추돌 사고시에 탑승자의 머리가 뒤로 젖혀지는 것을 막아주어 목부상을 방지할 수 있는 효과가 있다.As described above, the neck injury prevention device of the head restraint vehicle according to the present invention, when the rear collision of the vehicle, the gas pressure of the gas generator controlled by the signal input from the collision detection sensor is driven means, that is, the first cylinder By driving the device and the second cylinder device, the headrest is moved upward with respect to the occupant's head, thereby preventing the head of the occupant from falling back in the event of a rear collision, thereby preventing neck injuries.

Claims (3)

자동차의 후방 추돌 사고시, 충돌 감지 센서(10)로부터 입력된 신호로 제어되는 전자 제어 장치(11)가 가스 발생기(12)를 제어하고, 상기 가스 발생기(12)의 가스 압력이 구동 수단을 구동시켜 헤드레스트(17)가 탑승자의 머리를 지지할 수 있도록 상향으로 이동되는 것을 특징으로 하는 자동차용 헤드레스트의 목부상 방지 장치.In the rear collision accident of the vehicle, the electronic control device 11 controlled by the signal input from the collision detection sensor 10 controls the gas generator 12, the gas pressure of the gas generator 12 drives the driving means Headrest 17 is a neck injury prevention device of the headrest for automobiles, characterized in that moved upwardly to support the head of the occupant. 제 1항에 있어서, 상기 구동 수단은 제 1실린더 장치(13)와 제 2실린더 장치(15)가 피스톤 로드(14, 16)로 연계, 구동되어 헤드레스트(17)의 지지바(18)에 연결된 원판(19)을 밀 수 있도록 형성된 것을 특징으로 하는 자동차용 헤드레스트의 목부상 방지 장치.According to claim 1, wherein the drive means is connected to the first cylinder device 13 and the second cylinder device 15 to the piston rods (14, 16) are driven to the support bar 18 of the headrest (17). Neck injury prevention device of the headrest for automobiles, characterized in that it is formed to push the connected disc (19). 제 1항 또는 제 2항에 있어서, 상기 제 1실린더 장치(13)의 내주면과 피스톤 로드(14)의 외주면에는 내부의 기밀 유지 미비로 인한 가스압의 감소로 피스톤 로드(14)가 내려오지 않도록 톱니바퀴 형상으로 형성된 것을 특징으로 하는 자동차용 헤드레스트의 목부상 방지 장치.According to claim 1 or 2, wherein the inner circumferential surface of the first cylinder device 13 and the outer circumferential surface of the piston rod 14 so that the piston rod 14 is not lowered due to the reduction of the gas pressure due to the lack of airtightness therein. Neck injury prevention device of the headrest for automobiles, characterized in that formed in the shape of a wheel.
KR1020010055055A 2001-09-07 2001-09-07 Neck anti-injury device of headrest for automobile KR20030021681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020010055055A KR20030021681A (en) 2001-09-07 2001-09-07 Neck anti-injury device of headrest for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020010055055A KR20030021681A (en) 2001-09-07 2001-09-07 Neck anti-injury device of headrest for automobile

Publications (1)

Publication Number Publication Date
KR20030021681A true KR20030021681A (en) 2003-03-15

Family

ID=27722991

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020010055055A KR20030021681A (en) 2001-09-07 2001-09-07 Neck anti-injury device of headrest for automobile

Country Status (1)

Country Link
KR (1) KR20030021681A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111619417A (en) * 2020-05-07 2020-09-04 一汽奔腾轿车有限公司 A back row seat for avoiding rear portion collision injury neck
CN114750661A (en) * 2022-03-31 2022-07-15 浙江吉利控股集团有限公司 Vehicle seat and headrest control system and control method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62152935A (en) * 1985-12-26 1987-07-07 Tokyo Seat Kk Raising and lowering device for headrest of seat for vehicle
KR970036874A (en) * 1995-12-30 1997-07-22 전성원 Headrest Operating System for Car Rear Seat
KR19980015094U (en) * 1996-09-05 1998-06-25 임경춘 Hydraulic safety device to raise the car's headrest in the rear collision
KR19980054536A (en) * 1996-12-27 1998-09-25 박병재 Head protection device for car headrest
KR19990033812A (en) * 1997-10-27 1999-05-15 양재신 Headrest protrusion of the vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62152935A (en) * 1985-12-26 1987-07-07 Tokyo Seat Kk Raising and lowering device for headrest of seat for vehicle
KR970036874A (en) * 1995-12-30 1997-07-22 전성원 Headrest Operating System for Car Rear Seat
KR19980015094U (en) * 1996-09-05 1998-06-25 임경춘 Hydraulic safety device to raise the car's headrest in the rear collision
KR19980054536A (en) * 1996-12-27 1998-09-25 박병재 Head protection device for car headrest
KR19990033812A (en) * 1997-10-27 1999-05-15 양재신 Headrest protrusion of the vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111619417A (en) * 2020-05-07 2020-09-04 一汽奔腾轿车有限公司 A back row seat for avoiding rear portion collision injury neck
CN114750661A (en) * 2022-03-31 2022-07-15 浙江吉利控股集团有限公司 Vehicle seat and headrest control system and control method

Similar Documents

Publication Publication Date Title
US8820830B2 (en) Vehicle seat
US20070185635A1 (en) Occupant-protection system for vehicles and method for activating an occupant-protection system for vehicles
US20050062330A1 (en) Method for moving a headrest in the event of a rear-end collision and arrangement of a headrest on a vehicle seat
GB2353008A (en) An airbag arrangement
KR20030021681A (en) Neck anti-injury device of headrest for automobile
KR102361013B1 (en) System for protecting the occupant&#39;s neck when a vehicle crash from behind
KR100510362B1 (en) Apparatus for restraint a side movement of passenger in a vehicle
JPH11208337A (en) Rear structure for vehicle
KR0116919Y1 (en) A seat for motor turning back when motor run into other
KR100366585B1 (en) Seat of automobile with impact-absorbed device
KR100447317B1 (en) The seat structure for moving backward
KR100422726B1 (en) Neck anti-injury device of headrest for automobile
KR20120001040A (en) Fender air-bag apparatus for vehicle
JPH06166362A (en) Protective device for protecting passenger by air bag
JPH07165008A (en) Air bag device for automobile
KR0184138B1 (en) Security device for passenger of rear seat
KR100448129B1 (en) Structure of headrest for automobile
KR200152245Y1 (en) Air bag mount structure of front seat for a vehicle
KR100353065B1 (en) Anti-injury device of neck for automobile headrest
KR100526799B1 (en) Device of Protecting Passenger in Under Ride
KR100693506B1 (en) A side air bag for automobile
KR200269514Y1 (en) Passenger restraining apparatus for front window in vehicle
KR20040046764A (en) Apparatus for adjusting the volume of airbag cushion
CN118478829A (en) Control system and method for protecting far-end passengers
KR0181845B1 (en) Device for preventing an airbag from injurying a passenger

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application