KR100947997B1 - Folding Method For Air Bag - Google Patents

Folding Method For Air Bag Download PDF

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Publication number
KR100947997B1
KR100947997B1 KR1020070133527A KR20070133527A KR100947997B1 KR 100947997 B1 KR100947997 B1 KR 100947997B1 KR 1020070133527 A KR1020070133527 A KR 1020070133527A KR 20070133527 A KR20070133527 A KR 20070133527A KR 100947997 B1 KR100947997 B1 KR 100947997B1
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South Korea
Prior art keywords
folding
airbag
roll
folded
air bag
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KR1020070133527A
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Korean (ko)
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KR20090065962A (en
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홍익표
정경원
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델파이코리아 유한회사
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Priority to KR1020070133527A priority Critical patent/KR100947997B1/en
Priority to EP08153966.0A priority patent/EP2072348B1/en
Priority to US12/062,437 priority patent/US7963550B2/en
Priority to JP2008098650A priority patent/JP4879215B2/en
Priority to CN2008100966914A priority patent/CN101462529B/en
Publication of KR20090065962A publication Critical patent/KR20090065962A/en
Application granted granted Critical
Publication of KR100947997B1 publication Critical patent/KR100947997B1/en
Priority to US13/165,249 priority patent/US8302991B2/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/237—Inflatable members characterised by the way they are folded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/205—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R2021/01204—Actuation parameters of safety arrangents
    • B60R2021/01211—Expansion of air bags
    • B60R2021/01225—Expansion of air bags control of expansion volume
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/235—Inflatable members characterised by their material
    • B60R2021/23533—Inflatable members characterised by their material characterised by the manufacturing process
    • B60R2021/23538—Sewing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/235—Inflatable members characterised by their material
    • B60R2021/23571—Inflatable members characterised by their material characterised by connections between panels
    • B60R2021/23576—Sewing

Abstract

본 발명은 자동차 에어백을 접는 방법에 관한 것으로, 본 발명의 자동차용 에어백 접는 방법은 에어백의 양측면을 롤 폴딩하는 측면 롤 폴딩 단계, 상기 양측면을 롤 폴딩한 후 상측에서부터 하측으로 롤 폴딩하는 상하 롤 폴딩 단계로 이루어져 에어백 전개시 인스트루먼트 패널에 부딪히는 것을 방지하여 순차적이고 신속한 전개가 이루어진다.The present invention relates to a method for folding an automobile airbag, the method for folding an automobile airbag of the present invention is a side roll folding step of folding the both sides of the airbag, the upper and lower roll folding roll-folding from the upper side to the lower side after the roll folding the both sides This step prevents the instrument panel from colliding during airbag deployment, resulting in sequential and rapid deployment.

에어백, 인스트루먼트 패널, 롤 폴딩 Airbags, Instrument Panels, Roll Folding

Description

자동차용 에어백 접는 방법{Folding Method For Air Bag}Folding method for air bag {Folding Method For Air Bag}

본 발명은 자동차 충돌시 정면으로부터의 충격을 완화하기 위한 에어백에 관한 것으로, 특히 에어백 전개가 순차적으로 이루어지고 간섭없이 전개될 수 있도록 하는 자동차용 에어백 접는 방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an airbag for mitigating an impact from the front in a car crash, and more particularly to a method for folding an airbag for an automobile so that the airbag deployment can be made sequentially and deployed without interference.

일반적으로, 에어백은 자동차에 쓰이는 것으로 충돌사고가 났을 때 생기는 충격력이나 고속주행중의 급정거를 감지할 수 있는 센서를 구비하여, 사고시 충격 강도에 따른 센서의 신호에 따라 에어백 속에 팽창가스를 주입하여 급속히 팽창시킴으로써 운전자는 물론 탑승자를 부상으로부터 최대한 보호하기 위한 안전장치이다.In general, the airbag is used in automobiles and has a sensor that can detect the impact force generated in a crash accident or sudden stop during high-speed driving, and inflate rapidly by injecting an inflation gas into the airbag according to the signal of the sensor according to the impact intensity in case of an accident. This is a safety device to protect the driver as well as the passenger from injury.

또한, 자동차를 사용함에 있어 에어백은 한번도 작동하지 않을 수도 있지만 사고시에는 정상적으로 작동해야 하며, 작동하지 않아야 할 때 오작동 되는 일이 없어야 하므로 장치의 높은 신뢰도가 요구되는 안전장치이다.In addition, in using a car, the airbag may never operate, but in case of an accident, the airbag should operate normally, and when it should not operate, it should not malfunction so it is a safety device that requires high reliability of the device.

이러한 에어백은 통상적으로 운전석의 스티어링휠과 조수석의 인스트루먼트패널에 각각 설치되고, 차량의 충돌시 충돌감지센서와 전자제어유닛에 의해 안전벨트와 같이 연동되어 탑승자를 부상으로부터 최대한 보호하게 된다.These airbags are typically installed on the steering wheel of the driver's seat and the instrument panel of the passenger seat, respectively, and interlocked together with seatbelts by a collision detection sensor and an electronic control unit when the vehicle collides to protect the occupant from injury as much as possible.

즉, 차량의 충돌시, 충돌감지센서가 이의 감지신호를 전자제어유닛(ECU)으로 출력하고, 상기 전자제어유닛(ECU)은 충격강도에 따라 에어백의 작동 여부를 판단하여 에어백을 작동시킬 필요가 있을 때에는 인플레이터를 작동시켜 에어백을 팽창시킨다.That is, in the event of a collision of the vehicle, the collision detection sensor outputs its detection signal to the electronic control unit (ECU), and the electronic control unit (ECU) needs to determine whether the air bag is operated according to the impact strength to operate the air bag. If present, operate the inflator to inflate the airbag.

이때, 인플레이터는 에어백에 연결되어 있어, 전자제어유닛(ECU)에 의해 그 내부의 점화장치에 의해 화약을 착화시키고 가스 발생제를 연소시킴으로써, 순간적으로 발생된 다량의 가스가 에어백으로 주입되어 에어백을 급속하게 팽창시키게 된다.At this time, the inflator is connected to the airbag, and the electronic control unit (ECU) ignites the gunpowder by the ignition device therein and burns the gas generating agent. It expands rapidly.

이때, 에어백은 접혀진 순서에 따라 순차적으로 전개되어 탑승자를 보호할 수 있도록 한다.At this time, the airbags are sequentially deployed in the folded order to protect the occupants.

그러나 종래의 에어백은 그 폭이 넓게 접혀져 전개시 인스트루먼트 패널과 간섭되어 전개에 어려움이 있었다.However, the conventional airbag is folded in a wide width and interferes with the instrument panel during deployment, which makes it difficult to deploy.

본 발명의 목적은 상술한 바와 같은 문제점을 해결하기 위한 것으로서, 에어백이 전개될 때 간섭을 방지하여 순차적으로 용이하게 전개되는 에어백의 접는 방법을 제공하는 것이다. SUMMARY OF THE INVENTION An object of the present invention is to solve the problems as described above, and to provide a folding method of an airbag that is easily deployed sequentially by preventing interference when the airbag is deployed.

상기 목적을 달성하기 위해 본 발명의 자동차용 에어백 접는 방법은 에어백을 접는 방법에 있어서, 에어백의 양측면을 롤 폴딩하는 측면 롤 폴딩 단계, 상기 양측면을 롤 폴딩한 후 상측에서부터 하측으로 롤 폴딩하는 상하 롤 폴딩 단계로 이루어 지는 것을 특징으로 한다.In order to achieve the above object, the airbag folding method for automobiles of the present invention is a method for folding an airbag, the side roll folding step of folding the both sides of the airbag, the upper and lower rolls to roll-fold from the upper side to the lower side after the roll folding the both sides Characterized in that the folding step is made.

또한, 상기 측면 롤 폴딩 단계는 에어백의 일측과 타측이 서로 다른 각도로 경사지게 롤 폴딩되는 것을 특징으로 한다.In addition, the side roll folding step is characterized in that the one side and the other side of the air bag is roll-folded inclined at different angles.

또한, 상기 측면 롤 폴딩 단계는 그 측면이 서로 다른 각도로 경사지게 롤 폴딩하며, 에어백이 주름지게 롤 폴딩하는 것을 특징으로 한다.In addition, the side roll folding step is characterized in that the side is roll-folded inclined at different angles, the air bag is roll-folded to corrugate.

상술한 바와 같이, 본 발명에 따른 자동차용 에어백에 의하면, 에어백 전개시 인스트루먼트 패널에 부딪히는 것을 방지하여 순차적이고 신속한 전개가 이루어진다.As described above, according to the airbag for a vehicle according to the present invention, it is prevented from hitting the instrument panel during the airbag deployment to achieve sequential and rapid deployment.

또한, 측면 롤 폴딩시 경사를 갖도록 하므로 봉제 실이 겹쳐짐으로 인해 에어백이 접혀진 후 봉제 실 부위가 볼록해 지는 것을 방지한다.In addition, since the side roll folding has a slope, the sewing thread portion is prevented from being convex after the air bag is folded due to the overlap of the sewing threads.

이하, 첨부한 도면에 의거하여 본 발명의 양호한 실시예들을 상세히 설명하는데, 이하의 설명에 있어서는 도면 중 동일부분에 대해 동일 부호를 부여하고 그 반복 설명은 생략한다.Best Mode for Carrying Out the Invention Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

또한, 본 발명에 따른 에어백은 조수석의 탑승자를 보호하기 위한 에어백을 그 일례로 들어 설명하나, 이에 한정되는 것은 아니다.In addition, the airbag according to the present invention is described as an example of an airbag for protecting a passenger of a passenger seat, but is not limited thereto.

본 발명의 제1실시예는 도 2 내지 도 4에 도시된 순서에 따라 접혀진다.The first embodiment of the present invention is folded in the order shown in Figs.

우선, 에어백 접는 방법은 측면 롤 폴딩단계(S1), 상하 롤 폴딩단계(S2), 마무리 단계(S3)로 구성된다.First, the airbag folding method is composed of side roll folding step S1, top and bottom roll folding step S2, and finishing step S3.

첫번째로 측면 롤 폴딩 단계(S1)는 인플레이터(미도시)와 연결되는 연결부(20)를 아래쪽으로 놓은 후 에어백(10)의 일 측면을 일정 넓이로 접고 처음 접은 방향으로 한번 더 접은 후 에어백(10)의 중심선을 향해 예각이 되도록 더 접는다.Firstly, the side roll folding step (S1) is to place the connecting portion 20 connected to the inflator (not shown) downward, and then fold one side of the airbag 10 to a certain width and then fold one more time in the first folding direction, and then the airbag 10. Fold more so that it is an acute angle towards the centerline of

그리고 타 측면 또한 같은 방법으로 접는데 이때 처음 접는 폭이 반대편 보다 넓도록 하고 그 후 바로 중심선을 향해 예각이 되도록 접으며, 상기 각도는 반대편보다 작은 각도를 갖도록 한다.And the other side is also folded in the same way, the first folding width is wider than the opposite side and then folded to be acute angle towards the centerline immediately, the angle to have a smaller angle than the opposite side.

그 후, 두번째 단계인 상하 롤 폴딩단계(S2)는 상측에서부터 연결부(20) 측으로 접는데 이때 측면 롤 폴딩이 각을 갖고 형성되어 있으므로 에어백(10)의 봉제 부분이 서로 겹치지 않는다.Thereafter, the second step, the upper and lower roll folding step (S2) is folded from the upper side to the connecting portion 20 side, and the side roll folding is formed at an angle so that the sewing portions of the airbag 10 do not overlap each other.

또한, 세번째 단계인 마무리 단계(S3)는 상하 롤 폴딩을 마친 후 에어백(10)을 뒤집어 놓고 폴딩되던 방향과 반대로 접히도록 하고, 연결부(20)로 폴딩된 부분을 감싸 마무리한다.In addition, the finishing step (S3) of the third step is to turn up and down the airbag 10 after finishing the upper and lower roll folding, and to be folded in the opposite direction to the folding direction, wrap the folded portion with the connecting portion 20 to finish.

한편, 본 발명에 따른 에어백은 다른 실시예로 구성될 수 있다.On the other hand, the airbag according to the present invention may be configured in other embodiments.

본 발명의 제2실시예는 도 5 내지 도 8에 도시된 순서에 따라 접혀진다.첫번째로 측면 롤 폴딩 단계(S10)는 인플레이터(미도시)와 연결되는 연결부(20)를 아래쪽으로 놓은 후 에어백(10)의 일 측면이 중심을 향하도록 접는데 이때 예각을 갖고 측면 끝단이 중심선을 넘어가도록 접는다.The second embodiment of the present invention is folded in the order shown in Figs. 5 to 8. First, the side roll folding step (S10) is the air bag after placing the connecting portion 20 connected to the inflator (not shown) downwards One side of the (10) is folded toward the center at this time with acute angle and the side end is folded over the center line.

그리고 측면의 끝단이 다시 바깥쪽을 향하도록 처음과 반대 방향으로 접고 접힌 부분이 중심선을 넘지 않도록 하며, 상기와 같이 접힌 폭에 맞추어 나머지 부분도 접히는 방향이 순차적으로 엇갈리도록 한다.And the end of the side is folded in the opposite direction from the beginning so as to face the outside again, so that the folded portion does not cross the centerline, and the remaining portion is also sequential staggered in accordance with the folded width as described above.

또한, 반대편 측면의 끝단이 중심선을 향해 접히도록 하고, 이때 처음 접은 반대편의 각도보다 작은 각도를 갖고 폭은 더 넓도록 하여 처음 폴딩과 같은 방법으로 접히도록 한다.In addition, the end of the opposite side is to be folded toward the center line, at this time to have a smaller angle and wider than the angle of the opposite side of the first folding to be folded in the same way as the initial folding.

그 후, 두번째 단계인 상하 롤 폴딩 단계(S20)는 상측에서부터 연결부를 향해 접는데 제1실시예와 마찬가지로 측면 롤 폴딩이 각을 갖고 형성되어 있으므로 에어백의 봉제 부분이 서로 겹치지 않는다.Thereafter, the second step, the upper and lower roll folding step (S20) is folded from the upper side toward the connecting portion, but the side roll folding is formed at an angle as in the first embodiment, so that the sewing portions of the airbag do not overlap each other.

또한, 세번째 단계인 마무리 단계(S30)는 제1실시예와 마찬가지로 상하 롤 폴딩을 마친 후 에어백(10)을 뒤집어 놓고 접혀지던 방향과 반대로 접고, 연결부(20)로 폴딩된 부분을 감싸 마무리한다.In addition, the finishing step (S30) is a third step, like the first embodiment, after finishing the upper and lower roll folding, the airbag 10 is turned upside down and folded in the opposite direction, and wraps the folded portion with the connecting portion 20 to finish.

도 1은 본 발명에 따른 제1실시예의 측면 롤 폴딩 단계를 나타낸 도면.1 shows a side roll folding step of a first embodiment according to the present invention;

도 2는 본 발명에 따른 제1실시예의 상하 롤 폴딩 단계를 나타낸 도면.2 is a view showing a vertical roll folding step of the first embodiment according to the present invention;

도 3은 본 발명에 따른 제1실시예의 마무리 단계를 나타낸 도면.Figure 3 shows a finishing step of the first embodiment according to the present invention.

도 4는 본 발명에 따른 제2실시예의 측면 롤 폴딩 단계를 나타낸 도면.Figure 4 illustrates a side roll folding step of a second embodiment according to the present invention.

도 5는 본 발명에 따른 제2실시예의 상하 롤 폴딩 단계를 나타낸 도면.5 is a view showing a vertical roll folding step of the second embodiment according to the present invention.

도 6은 본 발명에 따른 제2실시예의 마무리 단계를 나타낸 도면.Figure 6 shows a finishing step of the second embodiment according to the present invention.

* 도면의 주요 구성에 대한 부호의 설명 * Explanation of symbols on the main components of the drawings

10 : 에어백10: airbag

20 : 연결부20: connection part

S1 : 측면 롤 폴딩 단계S1: side roll folding step

S2 : 상하 롤 폴딩 단계S2: up and down roll folding step

S3 : 마무리 단계S3: finishing stage

S10 : 측면 롤 폴딩 단계S10: side roll folding step

S20 : 상하 롤 폴딩 단계S20: upper and lower roll folding step

S30 : 마무리 단계S30: finishing stage

Claims (3)

양측의 봉제선이 수직 중심축과 서로 나란하게 형성된 에어백을 접는 방법에 있어서,In the method of folding the airbag formed on both sides of the seam parallel to the vertical center axis, 상기 에어백의 일측과 타측을 상기 수직 중심축과 이루는 각도를 서로 다르게 하여 다수회 직선형태로 롤 폴딩하는 측면 롤 폴딩 단계,A side roll folding step of fold-folding the airbag in a straight line a plurality of times at different angles forming one side and the other side with the vertical central axis; 상기 에어백의 양측을 롤 폴딩한 후 상측에서부터 하측으로 롤 폴딩하는 상하 롤 폴딩 단계로 이루어지는 것을 특징으로 하는 자동차용 에어백 접는 방법.Rolling folding both sides of the air bag and the upper and lower roll folding step of folding the roll from the upper side to the lower side, characterized in that the vehicle airbag folding method. 삭제delete 제1항에 있어서,The method of claim 1, 상기 측면 롤 폴딩 단계는 상기 에어백을 처음 접은 방향과 동일한 방향으로 연속적으로 여러 번 접거나, 상기 에어백을 처음 접은 방향과 반대 방향으로 접고 다시 처음 방향과 동일한 방향으로 접는 것과 같이 접히는 방향이 순차적으로 엇갈리도록 접는 것을 특징으로 하는 자동차용 에어백 접는 방법.In the side roll folding step, the airbag is sequentially folded several times in the same direction as the first folding direction, or the folding direction is sequentially alternated, such as folding the airbag in the opposite direction to the first folding direction and then again in the same direction as the first direction. How to fold a car airbag, characterized in that folded to fold.
KR1020070133527A 2007-12-18 2007-12-18 Folding Method For Air Bag KR100947997B1 (en)

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KR1020070133527A KR100947997B1 (en) 2007-12-18 2007-12-18 Folding Method For Air Bag
EP08153966.0A EP2072348B1 (en) 2007-12-18 2008-04-02 Knee airbag and method of folding the same
US12/062,437 US7963550B2 (en) 2007-12-18 2008-04-03 Knee airbag and method of folding the same
JP2008098650A JP4879215B2 (en) 2007-12-18 2008-04-04 Knee airbag and its folding method
CN2008100966914A CN101462529B (en) 2007-12-18 2008-04-07 Knee airbag and method of folding the same
US13/165,249 US8302991B2 (en) 2007-12-18 2011-06-21 Knee airbag and method of folding the same

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US9713998B2 (en) * 2014-04-24 2017-07-25 Ford Global Technologies, Llc Corrugated passenger airbag
KR102227852B1 (en) * 2014-10-29 2021-03-15 현대모비스 주식회사 Curtain air bag apparatus and method of manufacturing the same

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