KR20050045334A - Opening structure of passenger's air bag in vehicle - Google Patents

Opening structure of passenger's air bag in vehicle Download PDF

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Publication number
KR20050045334A
KR20050045334A KR1020030079372A KR20030079372A KR20050045334A KR 20050045334 A KR20050045334 A KR 20050045334A KR 1020030079372 A KR1020030079372 A KR 1020030079372A KR 20030079372 A KR20030079372 A KR 20030079372A KR 20050045334 A KR20050045334 A KR 20050045334A
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South Korea
Prior art keywords
door
airbag
main door
crash pad
passenger seat
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KR1020030079372A
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Korean (ko)
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KR100552745B1 (en
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차광수
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현대자동차주식회사
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Priority to KR1020030079372A priority Critical patent/KR100552745B1/en
Publication of KR20050045334A publication Critical patent/KR20050045334A/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
    • B60R21/20—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
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K37/00—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
    • B60R21/02—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
    • B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
    • 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
    • B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
    • B60R2021/21537—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member characterised by hinges

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Air Bags (AREA)

Abstract

본 발명은 차량의 조수석 에어백 전개구조에 관한 것으로, 조수석에어백 전개시 도어부위가 펼쳐지면서 전방 윈드 글래스에 부딪히지 않도록 함에 그 목적이 있다.The present invention relates to a passenger seat airbag deployment structure of a vehicle, and an object thereof is to prevent the front windshield from colliding with the front windshield while the passenger seat airbag is deployed.

상기와 같은 목적을 달성하기 위한 본 발명은, 운전석을 이루는 크래쉬패드(C)의 조수석부위에 운전자용 에어백과 연결되어 작동되는 조수석용 에어백(A)과, 이 에어백(A)이 수용된 크래쉬패드(C)를 가리면서 전개시 에어백 쿠션의 압력을 통해 크래시패드(C)로부터 분리되는 메인도어(1)와, 이 메인도어(1)가 전방윈드글래스(FW)쪽으로 열려 젖혀지도록 그 일단과 도어힌지(2)를 매개로 힌지 결합되면서 메인도어(1)의 열림 방향과 반대로 젖혀져 메인도어(1)의 거동을 제한하도록 크래쉬패드(C)로부터 분리되는 구속도어(3)로 이루어진 것을 특징으로 한다. The present invention for achieving the above object, the passenger seat airbag (A) which is connected to the driver's airbag to the driver's seat portion of the crash pad (C) constituting the driver's seat, and a crash pad containing the airbag (A) ( C) the main door (1), which is separated from the crash pad (C) by the airbag cushion's pressure when deployed, and the one end and the door hinges so that the main door (1) opens and flips toward the front windshield (FW). (2) is hinged through the medium is characterized in that consisting of the restraining door (3) separated from the crash pad (C) to be flipped opposite to the opening direction of the main door (1) to limit the behavior of the main door (1). .

Description

차량의 조수석 에어백 전개구조{Opening structure of passenger's air bag in vehicle}Opening structure of passenger's air bag in vehicle}

본 발명은 차량의 조수석 에어백에 관한 것으로, 보다 상세하게는 전방 윈드 글래스와 충돌하지 않도록 된 차량의 조수석 에어백 전개구조에 관한 것이다.The present invention relates to a passenger seat airbag of a vehicle, and more particularly, to a passenger seat airbag deployment structure of a vehicle that is not to collide with the front windshield.

일반적으로 에어백 시스템은 충돌시의 충격을 차체에 설치된 센서로 검출하여 마이컴에 입력하면 충격의 강도에 따라 에어백을 전개시킬지 여부를 판정해 전개 필요시 전기신호를 인플레이터로보내 가스 발생재를 연소시켜서 에어백을 팽창시켜 탑승자를 보호하는 안전장치이다.In general, the airbag system detects the impact of a collision with a sensor installed in the vehicle body and inputs it to the microcomputer to determine whether to deploy the airbag according to the strength of the impact, and if necessary, sends an electrical signal to the inflator to burn the gas generating material by burning the gas generating material. It is a safety device to protect the occupants by inflating them.

이러한 에어백은 승개의 머리 및 흉부를 보호하여 스티어링 휠 또는 윈드글래스에 2차 충돌하는 것을 방지하게 되는데, 차량의 충돌의 형태 및 충돌속도에 의해서 각각 다르지만 통상적으로 충돌로부터 충돌판정까지의 시간은 10ms이고 전기신호가 출력되어 에어백이 완전하게 팽창하기까지의 시간은 30-40ms로 극히 짧은 시간에 이루어져야만 한다. These airbags protect the head and chest of the passengers to prevent secondary collisions with the steering wheel or windglass, which are different depending on the type of collision and the speed of the vehicle. The time for the electrical signal to be output and the airbag to fully inflate should be 30-40ms in a very short time.

즉, 이와 같은 극히 짧은 순간에 에어백은 승객을 멈추게 하여 보호하며 동시에 가스에 배출되는 것에 의해서 에너지를 흡수하면서 줄어드는데, 이러한 모든 작동 완료시간은 약 0.100.15초 정동의 짧은 시간에 이루어진다.That is, at such a very short moment the airbag is reduced by absorbing energy by stopping and protecting the passengers and at the same time being discharged into the gas, all of which are completed in a short time of about 0.100.15 seconds.

또한, 에어백 시스템은 사고시 확실하게 작동하지 않으면 안되고 반대로 작동이 필요치 않을 때에는 작동하지 않도록 해야 되기 때문에 장치의 높은 신뢰도가 요구됨은 물론이다. In addition, since the airbag system must be operated reliably in the event of an accident and must not be operated when the operation is not necessary, it is a matter of course that high reliability of the device is required.

한편, 차량 충돌 사고시 조수석에 탑승한 사람은 상체부위가 관성에 의해 전방 윈드 글래스측으로 쏠리게 되므로 크래쉬패드(crash pad)에 부딪치거나 심한 경우에 앞 유리창에 부딪치는 사고가 발생하게 된다.On the other hand, the person in the front passenger seat during the vehicle crash accident is inclined to the front windshield side by the inertia, the crash pad (crash pad) (crash pad) or in case of severe accidents hit the windshield.

이러한 사고로부터 인명을 보호하기 위한 수단으로 조수석용 에어백 장치를 설치하게 되는데 즉, 공기가 주입되지 않은 상태로 접혀져 조수석 전방의 크래쉬패드 내측으로 내장되어 있다가, 차량이 충돌하게 되면 가스가 에어백 내로 공급되면서 부풀어져 조수석 탑승자의 상체 전면에 전개된다. As a means to protect human life from such accidents, a passenger seat airbag device is installed, which is folded without air injection and built into the crash pad in front of the passenger seat. When a vehicle crashes, gas is supplied into the airbag. As it is inflated, it is deployed in front of the passenger's upper body.

그러나, 이와 같은 조수석용 에어백은 그 전개 특성상 크래쉬패드의 일부분인 도어부위가 전개되는 에어백에 의해 분리되면서 전방 윈도 글래스쪽으로 빠르게 이동되는데, 이때 상기 도어가 전방 윈드 글래스에 부딪히게 되는 경우에는(특히 어드밴스드 에어백 타입의 조수석용 에어백의 경우 빈번하게 발생됨)도어의 전개 속도로 인해 도어가 균열되거나 파손되면서 그 파편(PPF 재질임)으로 인해 승객에게 2차 부상을 입히는 현상이 있게 된다.However, such a passenger seat airbag is rapidly moved toward the front window glass while being separated by the airbag in which the door part, which is a part of the crash pad, is deployed. Airbag-type passenger airbags are frequently generated.) The door is cracked or broken due to the speed of the door, which causes secondary injury to passengers due to the fragments (PPF material).

이에 본 발명은 상기와 같은 점을 감안하여 발명된 것으로, 조수석에어백 전개시 도어부위가 펼쳐지면서 전방 윈드 글래스에 부딪히지 않도록 함에 그 목적이 있다.Accordingly, the present invention has been made in view of the above, and an object thereof is to prevent the front windshield from colliding with the front windshield while the passenger seat airbag is deployed.

상기와 같은 목적을 달성하기 위한 본 발명은, 운전석을 이루는 크래쉬패드의 조수석부위에 운전자용 에어백과 연결되어 작동되는 조수석용 에어백과, The present invention for achieving the above object, and a passenger seat airbag that is connected to the driver's airbag to the driver's seat portion of the crash pad constituting the driver's seat,

이 에어백이 수용된 크래쉬패드를 가리면서 전개시 에어백 쿠션의 압력을 통해 크래시패드로부터 분리되는 메인도어 및 The main door is separated from the crash pad through the pressure of the airbag cushion during deployment while covering the crash pad containing the air bag.

이 메인도어가 전방윈드글래스쪽으로 열려 젖혀지도록 그 일단과 도어힌지를 매개로 힌지 결합되면서 메인도어의 열림 방향과 반대로 젖혀져 메인도어의 거동을 제한하도록 크래쉬패드로부터 분리되는 구속도어로 이루어진 것을 특징으로 한다. The main door is hinged to one end and the door hinge to be opened to the front wind glass, and is flipped opposite to the opening direction of the main door and is separated from the crash pad to limit the behavior of the main door. do.

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 1은 본 발명에 따른 차량의 조수석 에어백 전개구조도를 도시한 것인바, 본 발명은 운전석을 이루는 크래쉬패드(C)의 조수석부위에 운전자용 에어백과 연결되어 작동되는 조수석용 에어백(A)과, 이 에어백(A)이 수용된 크래쉬패드(C)를 가리면서 전개시 에어백 쿠션의 압력을 통해 크래시패드(C)로부터 분리되는 메인도어(1)와, 이 메인도어(1)가 전방윈드글래스(FW)쪽으로 열려 젖혀지도록 그 일단과 도어힌지(2)를 매개로 힌지 결합되면서 메인도어(1)의 열림 방향과 반대로 젖혀져 메인도어(1)의 거동을 제한하도록 크래쉬패드(C)로부터 분리되는 구속도어(3)로 이루어진다.Figure 1 shows a passenger airbag deployment structure diagram of the vehicle according to the present invention, the present invention is a passenger seat airbag (A) which is connected to the driver's airbag actuated on the passenger seat of the crash pad (C) constituting the driver's seat, The main door 1 is separated from the crash pad C by the pressure of the air bag cushion when the air bag A is accommodated and covers the crash pad C. The main door 1 is a front windshield FW. Restrained from the crash pad (C) to be coupled to the one end and the door hinge (2) so as to open to the side toward the other side while being flipped opposite to the opening direction of the main door (1) to limit the behavior of the main door (1) It consists of a door 3.

여기서, 상기 구속도어(3)는 메인도어(1)에 인접되어 전방윈드글래스(FW)쪽으로 형성되면서 그 중앙부위를 상 방향으로 꺾어 대략 삼각형상을 이루게 된다.Here, the restraining door (3) is formed adjacent to the main door (1) toward the front wind glass (FW) while bending the center portion in the upward direction to form a substantially triangular shape.

그리고, 상기 구속도어(3)는 그 중앙부위를 상 방향으로 꺾어 대략 삼각형상을 이루면서 일단이 메인도어(1)쪽으로 연결됨과 더불어 타단이 절개단(7)을 매개로 크래쉬패드(C)에 일체로 형성된 연동플레이트(4)와, 일단이 상기 연동플레이트(4)에 연동힌지(6)를 매개로 힌지 결합되면서 타단이 메인도어(1)의 하부에서 도어힌지(2)에 결합되는 연결플레이트(5) 및 상기 연동플레이트(4)의 저면으로 덧대어지는 우레탄 재질의 패드(8)로 이루어진다.In addition, the restraining door (3) by folding the center portion in the upward direction to form a substantially triangular shape, one end is connected to the main door (1) and the other end is integral to the crash pad (C) via the incision (7) Linked plate 4 formed with a coupling plate is coupled to the door hinge 2 at the other end of the lower end of the main door (1) while one end is hinged to the linking plate 4 via the interlocking hinge (6) ( 5) and a pad 8 made of urethane material padded to the bottom of the interlocking plate 4.

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

본 발명은 에어백(A)이 가스가 주입되지 않은 상태로 접혀져 조수석 전방의 크래쉬패드(C) 내측으로 내장되어 있다가 차량이 충돌하게 되면, 인플레이터의 작동에 의해 가스가 에어백(A) 내로 공급되면서 부풀어지고 이로 인해, 크래쉬패드(C)를 이루면서 에어백(A)을 가리고 있던 메인도어(1)가 분리되어 에어백(A)을 조수석 탑승자쪽으로 전개시켜 상체 전면을 보호해주게 된다.According to the present invention, when the airbag (A) is folded in a state where no gas is injected and is built into the crash pad (C) in front of the passenger seat, when the vehicle collides, the gas is supplied into the airbag (A) by the operation of the inflator. Inflated and thereby, the main door (1) that was covering the airbag (A) while forming a crash pad (C) is separated to protect the front of the upper body by deploying the airbag (A) toward the passenger seat occupant.

이때, 상기 메인도어(1)는 크래쉬패드(C)에 형성된 절개선이 파단되면서 전방 윈도 글래스(FW)쪽으로 빠르게 이동되는 거동이 구속도어(3)에 의해 제한되는데 즉, 상기 메인도어(1)가 도어힌지(2)를 매개로 전방 윈도 글래스(FW)쪽으로 이동되면 이와 동시에 구속도어(3)가 메인도어(1)의 전개 방향(반 시계 방향)과 반대 방향으로 전개(시계 방향)되게 된다. In this case, the main door (1) is limited by the restraining door (3) the behavior that is rapidly moved toward the front window glass (FW) while the cut line formed in the crash pad (C) is broken, that is, the main door (1) Is moved toward the front window glass FW via the door hinge 2, the constrained door 3 is deployed (clockwise) in the opposite direction to the deployment direction (counterclockwise) of the main door 1 at the same time. .

이는 도 2에 도시된 바와 같이, 상기 메인도어(1)의 전개에 따라 메인도어(1)의 저면으로 위치된 연결플레이트(5)가 하 방향으로 눌려지게 되고, 이로 인해 상기 연결플레이트(5)에 연동힌지(6)를 매개로 힌지 결합된 연동플레이트(4)부위가 강하게 하 방향으로 눌려지는 힘을 받게 되면, 상기 연동플레이트(4)부위에 가해지는 하 방향 힘으로 인해 크래쉬패드(C)에 형성된 절개단(7)부위가 찢어지면서 연동플레이트(4)가 분리되어진다.As shown in FIG. 2, according to the development of the main door 1, the connecting plate 5 positioned at the bottom of the main door 1 is pressed downward, thereby the connecting plate 5. When the interlocking plate (4) portion hinged to the interlocking hinge (6) is subjected to a strong downward pressure, the crash pad (C) due to the downward force applied to the interlocking plate (4) portion The interlocking plate 4 is separated while the cut end 7 formed in the torn portion is torn.

이어, 상기 크래쉬패드(C)로부터 분리된 연동플레이트(4)가 전개되는 메인도어(1)로부터 가해지는 하 방향 힘에 의해 연동힌지(6)를 매개로 시계 방향으로 회전하게 되고, 이로 인해 상기 메인도어(1)의 전개 이동이 구속도어(3)를 이루는 연동플레이트(4)의 삼각형상 돌출부로 인해 차단되면서 전방 윈도 글래스(FW)에 부딪히는 일이 없게 된다.Subsequently, the interlocking plate 4 separated from the crash pad C is rotated clockwise through the interlocking hinge 6 by the downward force applied from the main door 1 on which the interlocking plate 4 is developed. Since the development movement of the main door 1 is blocked by the triangular protrusion of the interlocking plate 4 constituting the restraining door 3, the main door 1 is not hit by the front window glass FW.

이상 설명한 바와 같이 본 발명에 의하면, 에어백 전개시 전방 윈도 글래스쪽으로 빠르게 이동되는 메인도어의 전개 방향과 반대 방향으로 함께 전개되면서 메인도어의 거동을 구속해 전방 윈드 글래스와의 충돌에 의한 메인도어의 파손을 방지해 승객의 2차 부상을 차단 할 수 있는 효과가 있게 된다.As described above, according to the present invention, the main door is damaged by the collision with the front wind glass by restraining the behavior of the main door while being deployed together in the opposite direction to the deployment direction of the main door which is rapidly moved toward the front window glass when the airbag is deployed. To prevent secondary injury to passengers.

도 1은 본 발명에 따른 차량의 조수석 에어백 전개구조도 1 is a passenger airbag deployment structure diagram of a vehicle according to the present invention

도 2는 본 발명에 따라 에어백 전개시 전방윈드글래스쪽으로 이동을 구속하는 상태도Figure 2 is a state diagram to constrain the movement toward the front windshield during deployment of the airbag according to the present invention

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

1 : 메인도어 2 : 도어힌지1: Main door 2: Door hinge

3 : 구속도어 4 : 연동플레이트3: restraining door 4: interlocking plate

5 : 연결플레이트 6 : 연동힌지5: connecting plate 6: interlocking hinge

7 : 절개단 8 : 패드7: incision 8: pad

A : 에어백모듈 C : 크래쉬패드A: Airbag module C: Crash pad

FW : 전방윈드글래스FW: front windshield

Claims (3)

운전석을 이루는 크래쉬패드(C)의 조수석부위에 운전자용 에어백과 연결되어 작동되는 조수석용 에어백(A)과, A passenger seat airbag (A) connected to the driver's airbag and actuated on the passenger seat of the crash pad (C) forming the driver's seat, 이 에어백(A)이 수용된 크래쉬패드(C)를 가리면서 전개시 에어백 쿠션의 압력을 통해 크래시패드(C)로부터 분리되는 메인도어(1) 및 The main door 1, which is separated from the crash pad C through the pressure of the air bag cushion during deployment while covering the crash pad C containing the air bag A, and 이 메인도어(1)가 전방윈드글래스(FW)쪽으로 열려 젖혀지도록 그 일단과 도어힌지(2)를 매개로 힌지 결합되면서 메인도어(1)의 열림 방향과 반대로 젖혀져 메인도어(1)의 거동을 제한하도록 크래쉬패드(C)로부터 분리되는 구속도어(3)로 이루어진 차량용 조수석 에어백의 전개구조.The main door (1) is flipped opposite to the opening direction of the main door (1) while being hinged via one end and the door hinge (2) so that the main door (1) is opened and flipped toward the front wind glass (FW). Deployment structure of the passenger seat airbag for the vehicle consisting of a restraining door (3) separated from the crash pad (C) to limit the. 제 1항에 있어서, 상기 구속도어(3)는 일단이 메인도어(1)쪽으로 연결됨과 더불어 타단이 절개단(7)을 매개로 크래쉬패드(C)에 일체로 형성된 연동플레이트(4)와, 일단이 상기 연동플레이트(4)에 연동힌지(6)를 매개로 힌지 결합되면서 타단이 메인도어(1)의 하부에서 도어힌지(2)에 결합되는 연결플레이트(5) 및 상기 연동플레이트(4)의 저면으로 덧대어지는 패드(8)로 이루어진 것을 특징으로 하는 차량용 조수석 에어백의 전개구조.The interlocking plate (4) of claim 1, wherein the restraining door (3) has one end connected to the main door (1) and the other end integrally formed on the crash pad (C) via the incision (7), One end is coupled to the interlocking plate 4 via the interlocking hinge 6 and the other end is connected to the door hinge 2 at the lower end of the main door 1 and the interlocking plate 4. A deployment structure of a passenger seat airbag for a vehicle, characterized in that the pad 8 is padded to the bottom of the vehicle. 제 1항 또는 제2항에 있어서, 상기 구속도어(3)는 메인도어(1)에 인접되어 전방윈드글래스(FW)쪽으로 형성되면서 그 중앙부위를 상 방향으로 꺾어 돌출되도록 형성된 것을 특징으로 하는 차량용 조수석 에어백의 전개구조.The vehicle according to claim 1 or 2, wherein the restraining door 3 is formed adjacent to the main door 1 toward the front wind glass FW, and is formed to protrude upward from the central part thereof. Passenger seat airbag deployment structure.
KR1020030079372A 2003-11-11 2003-11-11 Opening structure of passenger's air bag in vehicle KR100552745B1 (en)

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