KR100461441B1 - Quick development structure of curtain air bag in vehicle - Google Patents

Quick development structure of curtain air bag in vehicle Download PDF

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Publication number
KR100461441B1
KR100461441B1 KR10-2002-0075834A KR20020075834A KR100461441B1 KR 100461441 B1 KR100461441 B1 KR 100461441B1 KR 20020075834 A KR20020075834 A KR 20020075834A KR 100461441 B1 KR100461441 B1 KR 100461441B1
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KR
South Korea
Prior art keywords
gas
headlining
curtain
tube
vehicle
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KR10-2002-0075834A
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Korean (ko)
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KR20040048067A (en
Inventor
윤종영
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현대자동차주식회사
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Priority to KR10-2002-0075834A priority Critical patent/KR100461441B1/en
Publication of KR20040048067A publication Critical patent/KR20040048067A/en
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Publication of KR100461441B1 publication Critical patent/KR100461441B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23Inflatable members
    • B60R21/231Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/232Curtain-type airbags deploying mainly in a vertical direction from their top edge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/214Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in roof panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R21/264Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/0002Type of accident
    • B60R2021/0006Lateral collision

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air Bags (AREA)

Abstract

본 발명은 차량용 커튼 에어백의 신속전개구조에 관한 것으로, 작동시 발생되는 가스중 일부를 헤드라이닝부위로 바이패스(Bypass)시켜 헤드라이닝을 전개시키는 힘을 강화해 커튼 에어백을 안정적이고 신속하게 작동시킴에 그 목적이 있다.The present invention relates to a quick deployment structure of a curtain airbag for a vehicle, by bypassing some of the gas generated during operation to the headlining (Bypass) to strengthen the force to deploy the headlining to operate the curtain airbag stably and quickly Has its purpose.

상기와 같은 목적을 달성하기 위한 본 발명은, 폭발 시 가스를 발생시키는 인플레이터(2)와, 이 인플레이터(2)에 가스튜브(3)를 매개로 연결되어 루프(R)부위의 전체 측면을 따라 형성되는 헤드라이닝내부로 위치되어 가스에 의해 팽창되는 커튼주머니(1) 및 상기 가스튜브(3)에서 분기되어 헤드라이닝내부에서 커튼주머니(1)를 따라 나란히 배열되어 가스에 의해 헤드라이닝을 가압하는 바이패스튜브(10)로 이루어진 것을 특징으로 한다.The present invention for achieving the above object, the inflator (2) for generating a gas in the explosion, the inflator (2) is connected via the gas tube (3) via the entire side of the loop (R) portion Located in the headlining to be formed and branched from the gas pocket (3) and the curtain bag (1) to be expanded by the gas is arranged side by side along the curtainbag (1) inside the headlining to press the headlining by gas It is characterized by consisting of the bypass tube (10).

Description

차량용 커튼 에어백의 신속전개구조{Quick development structure of curtain air bag in vehicle}Quick development structure of curtain air bag in vehicle}

본 발명은 차량용 커튼 에어백의 신속전개구조에 관한 것으로, 보다 상세하게는 작동시 헤드라이닝으로 가스압력을 가해 커튼에어백을 신속하게 펼칠 수 있도록 된 차량용 커튼 에어백의 신속전개구조에 관한 것이다.The present invention relates to a quick deployment structure of a vehicular curtain airbag, and more particularly, to a quick deployment structure of a vehicular curtain airbag that is able to quickly unfold the curtain airbag by applying gas pressure to the headlining during operation.

일반적으로 차량 측면 충돌시 루프 사이드 레일 부위가 심하게 변형되면서 이곳의 실내 유입량이 많아지게 되고, 이로 인해 탑승자의 인체 상해치중 상체 특히, 머리부위에 미치는 상해정도가 크게 나타나 이와 같은 부상을 방지하기 위해 차량의 루프라이너부위의 전체 측면을 따라 커튼 에어백이 설치되는바, 이러한 에어백은 도 1에 도시된 바와 같이 루프(R)부위의 전체 측면을 따라 형성되는 헤드라이닝내부로 위치되는 커튼주머니(1)와, 이 주머니(1)에 가스튜브(3)를 매개로 연결되어 폭발 시 가스를 발생시키는 인플레이터(2)로 이루어진다.In general, the roof side rails are severely deformed during the collision of the side of the vehicle, which increases the inflow of the interior of the roof, which causes a greater degree of injury to the upper body, especially the head, of the bodily injury of the occupant. Curtain airbags are installed along the entire side of the roof liner portion of the airbag, and as shown in FIG. 1, the airbag is provided with a curtain bag 1 located inside the headlining formed along the entire side of the roof R portion. , The inflator 2 is connected to the bag 1 via a gas tube 3 to generate gas upon explosion.

여기서, 상기 인플레이터(2)는 통상의 에어백 인플래터를 구성하는 화약, 점화제, 가스발생제, 디퓨져, 스크린 등을 내장하고 차량 측면 충돌시의 충격을 감지하는 센서의 신호를 직접 받거나 또는 ECU를 통해 신호를 받아 폭발하여 가스를 발생시켜 고속으로 분출하도록 구성되어짐은 물론이다.Here, the inflator (2) has a built-in gunpowder, ignition agent, gas generator, diffuser, screen, etc. constituting a conventional airbag inflator and directly receives a signal from the sensor that detects the impact in the event of a vehicle side collision or ECU Receives a signal through the explosion to generate gas at high speed is of course configured.

이에 따라, 차량의 측면 충돌이나 전복시 가해지는 충격에 의해 작동되는 인플레이터(2)에서 분출된 가스를 가스튜브(3)를 통해 공급받아 급속하게 팽창되는 커튼주머니(1)가 헤드라이닝내부로부터 빠져 나와 승객(P)의 머리부위를 보호해주게 된다.As a result, the curtain bag 1 which is rapidly expanded by the gas ejected from the inflator 2 operated by the side impact of the vehicle or the impact applied during the overturning through the gas tube 3 is pulled out from the inside of the headlining. It will protect me and the passenger's head.

그러나, 이와 같은 커튼 에어백은 작동시 그 전개 정도가 매우 중요한데 즉, 가스를 공급받아 급속하게 팽창되는 커튼주머니(1)가 헤드라이닝내부로부터 신속하게 빠져 나와 야만 되지만, 상기 헤드라이닝을 밀어내는 힘이 단지 커튼주머니(1)의 팽창력만을 이용하게 되어 빠르게 전개 되지 못하는 특히, 사고시 헤드라이닝이 위치되는 부위가 손상되거나 파손되는 경우에는 커튼주머니(1)의 빠른 전개가 잘 이루어지지 않는 단점이 있게 된다.However, such curtain airbags are very important in their deployment during operation. That is, the curtain bag 1, which is rapidly inflated with gas, has to be quickly exited from the inside of the headlining. Only using the expansion force of the curtain bag (1) is not developed quickly, in particular, in case of accident damage or damage to the part where the headlining location is located, there is a disadvantage that the rapid deployment of the curtain bag (1) is not made well.

이에 본 발명은 상기와 같은 점을 감안하여 발명된 것으로, 작동시 발생되는 가스중 일부를 헤드라이닝부위로 바이패스(Bypass)시켜 헤드라이닝을 전개시키는 힘을 강화해 커튼 에어백을 안정적이고 신속하게 작동시킴에 그 목적이 있다.Accordingly, the present invention has been invented in view of the above-mentioned point, and bypasses some of the gas generated during operation to the headlining area, thereby enhancing the force for deploying the headlining to operate the curtain airbag stably and quickly. Sikkim has that purpose.

상기와 같은 목적을 달성하기 위한 본 발명은, 폭발 시 가스를 발생시키는 인플레이터와, 이 인플레이터에 가스튜브를 매개로 연결되어 루프부위의 전체 측면을 따라 형성되는 헤드라이닝내부로 위치되어 가스에 의해 팽창되는 커튼주머니 및 상기 가스튜브에서 분기되어 헤드라이닝내부에서 커튼주머니를 따라 나란히 배열되어 가스에 의해 헤드라이닝을 가압하는 중공의 바이패스튜브로 이루어진 것을 특징으로 한다.In order to achieve the above object, the present invention provides an inflator for generating gas upon explosion and a head lining connected to the inflator via a gas tube and formed along the entire side surface of the loop to expand by gas. It is characterized by consisting of a hollow bypass tube is branched from the curtain bag and the gas tube is arranged side by side along the curtain pocket inside the headlining to press the headlining by the gas.

도 1은 종래에 따른 차량용 커튼 에어백의 장착도1 is a mounting view of a conventional vehicle curtain airbag

도 2는 본 발명에 따른 신속한 전개구조를 갖는 차량용 커튼 에어백의 장착도2 is a mounting view of the vehicle curtain airbag having a rapid deployment structure according to the present invention

도 3 내지 6은 도 2의 각 부위에 대한 부분단면도3 to 6 are partial cross-sectional views of each part of FIG.

도 7은 본 발명에 따른 바이패스튜브의 고정상태도7 is a fixed state diagram of the bypass tube according to the present invention;

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1 : 커튼주머니 1' : 케이스1: curtain bag 1 'case

2 : 인플레이터 3 : 가스튜브2: inflator 3: gas tube

10 : 바이패스튜브 10a : 가스분사홀10: bypass tube 10a: gas injection hole

20 : 고정브라켓 30 : 고정클립20: fixing bracket 30: fixing clip

F : 주압력 F' : 서브압력F: Main pressure F ': Sub pressure

H : 헤드라이닝 h : 인너폼H: Headlining h: Inner Foam

R : 루프 P : 승객R: Loop P: Passenger

W : 차체W: body

이하 본 발명의 실시예를 첨부된 예시도면을 참조로 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명에 따른 신속한 전개구조를 갖는 차량용 커튼 에어백의 장착도를 도시한 것인바, 본 발명은 폭발 시 가스를 발생시키는 인플레이터(2)와, 이 인플레이터(2)에 가스튜브(3)를 매개로 연결되어 루프(R)부위의 전체 측면을 따라 형성되는 헤드라이닝내부로 위치되어 가스에 의해 팽창되는 커튼주머니(1) 및 상기 가스튜브(3)에서 분기되어 헤드라이닝내부에서 커튼주머니(1)를 따라 나란히 배열되어 가스에 의해 헤드라이닝(H)을 가압하는 중공의 바이패스튜브(10)로 이루어진다.FIG. 2 shows a mounting view of a vehicular curtain airbag having a rapid deployment structure according to the present invention. The present invention provides an inflator 2 for generating gas upon explosion and a gas tube 3 in the inflator 2. A curtain bag (1) and branched from the gas tube (3) which is positioned inside the headlining which is connected to the inside of the headlining formed along the entire side of the loop (R) portion and is expanded by the gas (3) It consists of a hollow bypass tube 10 arranged side by side along the 1) and pressurized the headlining (H) by the gas.

여기서, 상기 바이패스튜브(10)는 도 7에 도시된 바와 같이 루프(R)패널부위에 서로 간격을 두고 고정된 다수의 고정브라켓(20)에 고정클립(30)을 매개로 지지되는 한편, 상기 바이패스튜브(10)로 흐르는 가스가 배출되면서 헤드라이닝(H)을 가압하도록 헤드라이닝(H)쪽으로 위치되는 다수의 가스분사홀(10a)이 형성되어진다.Here, the bypass tube 10 is supported by a fixing clip 30 to a plurality of fixing brackets 20 fixed to be spaced from each other on the roof (R) panel portion as shown in Figure 7, A plurality of gas injection holes 10a positioned toward the headlining H are formed to pressurize the headlining H while the gas flowing into the bypass tube 10 is discharged.

즉, 상기 바이패스튜브(10)의 가스분사홀(10a)은 배출되는 가스압력에 의해 헤드라이닝(H)을 보다 효과적으로 가압해 벌릴 수 있도록 도 3 내지 6에 도시된 바와 같이, 전·후방 좌석부위를 따라 이어지는 헤드라이닝(H)쪽으로 서로 간격을 두고 다수로 형성되어진다.That is, the gas injection hole (10a) of the bypass tube 10, as shown in Figures 3 to 6 to open the headlining (H) more effectively by the gas pressure discharged, the front and rear seats It is formed in plurality at intervals from each other toward the headlining (H) leading along the site.

미 설명 부호 h는 헤드라이닝(H)의 안쪽으로 덧대어지는 인너폼이다.Reference numeral h denotes an inner foam that is padded inwardly of the headlining H.

이에 따라, 본 발명은 차량의 측면 충돌이나 전복시 가해지는 충격을 감지하는 센서의 신호를 직접 받거나 또는 ECU를 통해 신호를 받은 인플레이터(2)의 작동에 의해 폭발하여 발생된 고속으로 분출되는 가스가 가스튜브(3)를 지나면서 커튼주머니(1)와 바이패스튜브(10)로 흐르게 되는데 즉, 상기 가스의 주 흐름은 가스튜브(3)를 통해 커튼주머니(1)로 유입되는 반면, 일부 가스는 가스튜브(3)에 연결된 바이패스튜브(10)로 유입되어진다.Accordingly, in the present invention, the gas emitted at high speed generated by explosion of the inflator 2, which is directly received by a signal of a sensor that detects a shock applied to a side collision or a rollover of the vehicle or received by a ECU, While passing through the gas tube (3) flows to the curtain bag (1) and the bypass tube (10), that is, the main flow of the gas flows into the curtain bag (1) through the gas tube (3), while some gas Is introduced into the bypass tube (10) connected to the gas tube (3).

이와 같이, 상기 인플레이터(2)에서 발생된 가스가 커튼주머니(1)와 바이패스튜브(10)로 유입되면, 상기 커튼주머니(1)와 바이패스튜브(10)를 가리고 있는 헤드라이닝(H)의 전개속도가 빨라지게 되는데 즉, 상기 헤드라이닝(H)은 도 6에 도시된 바와 같이 상기 커튼주머니(1)의 팽창에 의한 주압력(F)과 바이패스튜브(10)로 유입되어 가스분사홀(10a)을 통해 배출되는 가스의 서브압력(F')을 동시에 받게 된다.As such, when gas generated in the inflator 2 flows into the curtain bag 1 and the bypass tube 10, the headlining H covering the curtain bag 1 and the bypass tube 10 is covered. That is, the deployment speed of the gas is increased, that is, the headlining (H) is introduced into the main pressure (F) and the bypass tube (10) by the expansion of the curtain bag (1) as shown in FIG. The sub pressure F 'of the gas discharged through the hole 10a is simultaneously received.

이는, 커튼 에어백의 작동시 상기 헤드라이닝(H)으로부터 빠져나오면서 부풀려지는 커튼주머니(1)가 신속한 팽창을 하도록 바이패스튜브(10)의 가스분사홀(10a)을 통해 배출되는 가스가 헤드라이닝(H)의 전체 구간을 따라 균일하게 밀어주어 결국, 상기 커튼주머니(1)의 팽창력만을 이용할 때보다 상대적으로 헤드라이닝(H)에 의한 저항을 적게 받아 승객(P)의 부상을 좀더 효과적으로 방지할 수 있게 된다.This is because the gas discharged through the gas injection hole (10a) of the bypass tube (10) to the rapid expansion of the curtain bag (1) inflated while exiting the headlining (H) during the operation of the curtain airbag headlining ( By uniformly pushing along the entire section of H), as compared with using only the inflation force of the curtain bag 1, the resistance of the headlining (H) is relatively less, and thus the injury of the passenger (P) can be more effectively prevented. Will be.

이상 설명한 바와 같이 본 발명에 의하면, 헤드라이닝이 덧대어진 루프부위를 이루는 차체를 따라 길게 배열된 커튼주머니에 가스의 일부 흐름을 헤드라이닝쪽으로 분기하는 바이패스튜브를 평행하게 배열해 커튼 에어백 작동시 팽창되는 커튼주머니의 압력과 가스를 분출하는 바이패스튜브의 가스압력으로 헤드라이닝의 전개 압력을 이중으로 가해 안정적이고 신속한 작동은 물론 승객의 부상도 더욱 줄여 줄 수 있는 효과가 있게 된다.As described above, according to the present invention, in the curtain bag arranged long along the vehicle body forming the looped portion of the headlining, a bypass tube for branching a partial flow of gas to the headlining is arranged in parallel to inflate when the curtain airbag is operated. The pressure of the curtain bag and the gas pressure of the bypass tube that ejects the gas double the deployment pressure of the headlining, resulting in a stable and rapid operation as well as further reducing the injuries of the passengers.

Claims (2)

루프(R)부위의 전체 측면을 따라 형성되는 헤드라이닝(H)내부로 위치되어 충격을 감지하는 ECU에 의해 작동하는 인플레이터(2)의 폭발 가스를 가스튜브(3)를 통해 유입해 헤드라이닝(H)을 전개시키면서 팽창되는 커튼주머니(1)와, 상기 가스튜브(3)에서 분기되어 헤드라이닝(H)내부에서 커튼주머니(1)를 따라 나란히 배열되면서 유입된 가스를 헤드라이닝(H)쪽으로 배출되는 다수의 가스분사홀(10a)을 형성한 중공의 바이패스튜브(10)로 이루어진 차량용 커튼 에어백의 신속전개구조.The explosive gas of the inflator 2, which is located inside the headlining H formed along the entire side of the loop R part and is operated by the ECU for detecting a shock, flows through the gas tube 3 to the headlining ( Curtain bag 1 that expands while developing H) and the gas which branched from the gas tube 3 and arranged side by side along the curtain bag 1 inside the headlining H toward the headlining H Rapid deployment structure of a vehicular curtain airbag consisting of a hollow bypass tube (10) having a plurality of gas injection holes (10a) discharged. 제 1항에 있어서, 상기 바이패스튜브(10)는 루프(R)패널부위에 서로 간격을 두고 고정된 다수의 고정브라켓(20)에 고정클립(30)을 매개로 지지되어진 것을 특징으로 하는 차량용 커튼 에어백의 신속전개구조.The vehicle of claim 1, wherein the bypass tube (10) is supported by a fixing clip (30) on a plurality of fixing brackets (20) fixed at intervals on the roof (R) panel portion. Rapid deployment of curtain airbags.
KR10-2002-0075834A 2002-12-02 2002-12-02 Quick development structure of curtain air bag in vehicle KR100461441B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980052445U (en) * 1996-12-31 1998-10-07 박병재 Air bag on the side panel of the vehicle
KR20010042409A (en) * 1998-04-06 2001-05-25 드레이어 론니 알 Roofliner for a motor vehicle
EP1238865A2 (en) * 2001-03-06 2002-09-11 Takata Corporation Automotive vehicle and head protection device for vehicle occupants
KR100410859B1 (en) * 2001-06-19 2003-12-12 현대자동차주식회사 Curtain airbag tether structure for an automobile

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980052445U (en) * 1996-12-31 1998-10-07 박병재 Air bag on the side panel of the vehicle
KR20010042409A (en) * 1998-04-06 2001-05-25 드레이어 론니 알 Roofliner for a motor vehicle
EP1238865A2 (en) * 2001-03-06 2002-09-11 Takata Corporation Automotive vehicle and head protection device for vehicle occupants
KR100410859B1 (en) * 2001-06-19 2003-12-12 현대자동차주식회사 Curtain airbag tether structure for an automobile

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