KR20020034498A - A Door Impact Bar for Vehicle - Google Patents

A Door Impact Bar for Vehicle Download PDF

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Publication number
KR20020034498A
KR20020034498A KR1020000064876A KR20000064876A KR20020034498A KR 20020034498 A KR20020034498 A KR 20020034498A KR 1020000064876 A KR1020000064876 A KR 1020000064876A KR 20000064876 A KR20000064876 A KR 20000064876A KR 20020034498 A KR20020034498 A KR 20020034498A
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KR
South Korea
Prior art keywords
door
impact bar
door impact
gas generator
vehicle
Prior art date
Application number
KR1020000064876A
Other languages
Korean (ko)
Inventor
강기홍
Original Assignee
이계안
현대자동차주식회사
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Publication date
Application filed by 이계안, 현대자동차주식회사 filed Critical 이계안
Priority to KR1020000064876A priority Critical patent/KR20020034498A/en
Publication of KR20020034498A publication Critical patent/KR20020034498A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/042—Reinforcement elements
    • B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
    • B60J5/0438—Elongated type elements, e.g. beams, cables, belts or wires characterised by the type of elongated elements
    • B60J5/0443—Beams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/042—Reinforcement elements
    • B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
    • B60J5/0423—Elongated type elements, e.g. beams, cables, belts or wires characterised by position in the lower door structure
    • B60J5/0425—Elongated type elements, e.g. beams, cables, belts or wires characterised by position in the lower door structure the elements being arranged essentially horizontal in the centre of the lower door structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • B60R13/0237—Side or rear panels
    • B60R13/0243—Doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • 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
    • B60R2021/0002—Type of accident
    • B60R2021/0006—Lateral collision
    • 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
    • B60Y2306/01—Reducing damages in case of crash, e.g. by improving battery protection

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Air Bags (AREA)

Abstract

PURPOSE: A door impact bar for an automobile is provided to disperse impact energy of a side surface to a car body by extending and inserting a door impact bar mounted inside a door into a center filler when the automobile comes into collision at a side surface. CONSTITUTION: A door impact bar for an automobile includes a first member(11), a gas generator(14), a second member(12) and a hole. The first member is fixed at a side end by a mounting bracket(4). The gas generator is mounted inside the first member. The second member is inserted into the first member by extending and protruding by the operation of the gas generator. The hole is formed in a car body and corresponds to the second member. The extended second member is inserted into the hole.

Description

자동차용 도어임팩트바{A Door Impact Bar for Vehicle}Door Impact Bar for Vehicles

본 발명은 자동차용 도어임팩트바에 관한 것으로서, 보다 상세하게는 차량의 측면충돌시 도어의 강성확보 및 충돌에너지 분산을 위해 도어에 내장되어 있는 도어임팩트바가 충돌에너지를 차체부위로 분산시킬수 있도록 측면충돌시 도어임팩트바가 연장되어 차체에 형성된 홀로 삽입되도록 한 자동차용 도어임팩트바에 관한 것이다.The present invention relates to a door impact bar for an automobile, and more particularly, in the event of a side impact so that the door impact bar embedded in the door can disperse the collision energy to the vehicle body in order to secure the rigidity of the door and to distribute the collision energy in the event of a side collision of the vehicle. It relates to a door impact bar for a vehicle that the door impact bar is extended to be inserted into a hole formed in the vehicle body.

일반적으로 차량의 충돌사고 발생시 충돌에너지를 흡수하여 탑승자를 보호하기 위한 대책방안으로서, 정면충돌시에는 엔진룸에서 발생된 충돌에너지가 대거 흡수되고 후방충돌시에는 트렁크룸에서 충돌에너지를 흡수하는 역할을 한다. 또한 측면충돌시에는 도어, 센터필라, 루프패널등의 충격흡수 능력에 따라 승객의 안전성이 결정된다. 특히, 측면충돌시의 인체 상해치는 도어 부위가 가장 직접적인 영향을 미치게 되어 도어 내부에 보강부재를 추가하는 것은 도어설계시 반드시 고려되어야 하는 사항이고, 상기 도어 내부에 추가되는 보강부재는 통상적으로 원형단면을 가지며 도어임팩트바라고 한다.In general, as a countermeasure for protecting passengers by absorbing collision energy in the event of a collision, the collision energy generated in the engine room is absorbed in the case of frontal collision, and the collision energy is absorbed in the trunk room in the rear collision. do. In the event of a side impact, the safety of passengers is determined by the shock absorbing ability of doors, center pillars and roof panels. In particular, the bodily injury during side impact has the most direct influence on the door area, so adding a reinforcement member to the inside of the door is a matter that must be considered in designing the door, and the reinforcing member added to the inside of the door is usually a circular cross section. It is called a door impact bar.

도어의 인너패널과 아웃터패널 사이의 공간부에 내장되어 고정설치되는 도어임팩트바는 측면충돌시 상대적으로 강성이 취약한 도어부가 충돌에너지에 의해 차실내부로 침투되어 탑승자에게 상해를 입히는 것을 방지하여 차실의 안전을 확보하기 위함이다.The door impact bar, which is built and fixed in the space between the inner panel and the outer panel of the door, prevents injuries to the occupants by preventing the door part, which is relatively stiff, from penetrating into the interior of the vehicle due to collision energy. This is to ensure safety.

도어에 내장되어 고정설치된 도어임팩트바는 첨부된 도 1a 및 도 1b에 상세하게 나타나 있는데, 도 1a는 도어임팩트바가 내장 설치된 자동차를 도시한 사시도이고, 도 1b는 도어임팩트바가 설치된 도어를 도시한 개략도이다.The door impact bar fixedly installed in the door is shown in detail in FIGS. 1A and 1B, in which FIG. 1A is a perspective view of a vehicle in which a door impact bar is installed, and FIG. 1B is a schematic view of a door in which a door impact bar is installed. to be.

여기서 살펴보면, 도어 인너패널(1)과 아웃터패널()간의 내측 공간부에는 빔(beam) 또는 파이프(pipe)형상의 도어임팩트바(3)가 도어(5) 길이방향으로 내설되어 있고, 상기 도어임팩트바(3)의 양끝단부에는 마운팅브라켓(4)이 설치되어 도어임팩트바(3)를 고정지지하여 도어(5)의 강성을 높이도록 구성되어 있다.Here, in the inner space between the door inner panel 1 and the outer panel 1, a beam or pipe-shaped door impact bar 3 is installed in the longitudinal direction of the door 5. Mounting brackets 4 are installed at both ends of the impact bar 3 so as to secure the door impact bar 3 so as to increase the rigidity of the door 5.

이상의 도어임팩트바(3)에 의하면, 측면충돌시 박판의 접합으로 구성된 도어패널이 외부의 충돌에너지에 의해 차실내로 침투되어 인체에 상해를 입히는 것을 방지할 수 있다.According to the above door impact bar (3), it is possible to prevent the door panel composed of the joining of the thin plates during side impacts to penetrate into the interior of the vehicle by the external collision energy to cause injury to the human body.

그러나, 종래의 도어임팩트바(3)는 도어(5)의 강성 증가에는 효과가 있지만, 도어임팩트바(3)가 도어(5) 내측에 설치되어 있으므로 충돌에너지를 다른 차체로 분산하는 기능이 미약하다. 특히, 차체 안전도 테스트의 일종인 사이드 폴 테스트(side pole test)와 같이 도어에 집중적인 하중이 가해지는 경우 도어가 승객실쪽으로 과도하게 침투되어 대변형이 발생되므로, 탑승자의 인체 상해치가 높아진다는 문제점이 있다.However, the conventional door impact bar 3 is effective in increasing the rigidity of the door 5, but since the door impact bar 3 is installed inside the door 5, the function of distributing collision energy to other bodies is weak. Do. In particular, when an intensive load is applied to the door, such as a side pole test, which is a kind of body safety test, the door is excessively infiltrated into the passenger compartment, causing large deformation, thereby increasing the bodily injury of the occupant. There is a problem.

본 발명은 상술한 바와 같은 문제점을 해결하기 위하여 제안된 것으로 그 목적은, 측면충돌시 도어에 내설된 도어임팩트바가 연장되어 센터필라에 삽입되도록 함으로써 측면의 충돌에너지를 차체로 분산시킬수 있도록 함에 있다.The present invention has been proposed to solve the problems described above, and its object is to distribute the collision energy of the side surface to the vehicle body by allowing the door impact bar built into the door to be inserted into the center pillar during side impact.

도 1a는 도어임팩트바가 내장 설치된 자동차를 도시한 사시도,1A is a perspective view of a vehicle in which a door impact bar is installed;

도 1b는 도어임팩트바가 설치된 도어를 도시한 개략도,1b is a schematic view showing a door in which a door impact bar is installed;

도 2a는 본 발명에 따른 자동차용 도어임팩트바의 구성을 나타낸 개략도,Figure 2a is a schematic diagram showing the configuration of the door impact bar for a vehicle according to the present invention,

도 2b는 도 2a의 A-A부위를 나타낸 단면도,FIG. 2B is a cross-sectional view showing a portion A-A of FIG. 2A;

도 3a는 도어에 내설된 도어임팩트바가 작동되어 차체에 삽입된 상태를 도시한 개략도,Figure 3a is a schematic diagram showing a state in which the door impact bar installed in the door is inserted into the vehicle body,

도 3b는 도어임팩트바의 작동전 개략도,Figure 3b is a schematic before operation of the door impact bar,

도 3c는 도어임팩트바의 작동후 개략도.Figure 3c is a schematic view after the operation of the door impact bar.

※도면의 주요부분에 대한 부호의 설명※※ Explanation of symbols about main part of drawing ※

1 : 도어인너패널2 : 도어아웃터패널1: door inner panel 2: door outer panel

4 : 마운팅 브라켓5 : 도어4: mounting bracket 5: door

10 : 도어임팩트바11 : 제 1부재10: door impact bar 11: the first member

12 : 제 2부재13 : 가이드12: second member 13: guide

14 : 가스제너레이터15 : ECU14 gas generator 15 ECU

16 : 측면충돌센서17 : 센터필라16: side collision sensor 17: center pillar

18 : 홈18a : 마개18: groove 18a: stopper

상기의 목적을 달성하기 위하여 연구개발된 본 발명은, 도어인너패널과 도어아웃터패널 사이의 공간부에 내설되고 마운팅 브라켓에 의해 양끝단이 고정지지되는 도어임팩트바에 있어서,The present invention has been researched and developed in order to achieve the above object, in the door impact bar which is installed in the space between the door inner panel and the door outer panel and is fixed at both ends by a mounting bracket,

일측 끝단이 마운팅 브라켓에 의해 고정설치되는 제 1부재와 상기 제 1부재에 내장되는 가스제너레이터와 상기 가스제너레이터의 작동에 의해 연장돌출되게 제 1부재속에 끼워지는 제 2부재와 상기 제 2부재와 대응되며 이 돌출된 제 2부재가 삽입되도록 차체에 홈이 형성된 것을 특징으로 하는 자동차용 도어임팩트바이다.A first member having one end fixed by a mounting bracket, a gas generator embedded in the first member, and a second member fitted into the first member so as to protrude through the operation of the gas generator and the second member. And a groove is formed in the vehicle body such that the protruding second member is inserted.

이하, 본 발명의 기술적 구성은 첨부된 도면에 의거하여 보다 상세하게 설명하기로 한다.Hereinafter, the technical configuration of the present invention will be described in detail with reference to the accompanying drawings.

도 2a는 본 발명에 따른 자동차용 도어임팩트바의 구성을 나타낸 개략도이고, 도 2b는 도 2a의 A-A부위를 나타낸 단면도이고, 도 3a는 도어에 내설된 도어임팩트바가 작동되어 차체에 삽입된 상태를 도시한 개략도이고, 도 3b는 도어임팩트바의 작동전 개략도이고, 도 3c는 도어임팩트바의 작동후 개략도이다.Figure 2a is a schematic diagram showing the configuration of the door impact bar for automobiles according to the present invention, Figure 2b is a cross-sectional view showing the AA portion of Figure 2a, Figure 3a is a door impact bar built in the door is inserted into the vehicle body 3B is a schematic view before operation of the door impact bar, and FIG. 3C is a schematic view after operation of the door impact bar.

이상의 도면에 의하면, 도어 인너패널(1)과 아웃터패널(2) 사이의 도어 공간부에 도어 길이방향으로 중공(中空)의 원형단면을 가지는 제 1부재(11)가 내설된다. 상기 제 1부재(11)의 일측끝단은 마운팅브라켓(4)에 접합되어 상기 제 1부재(11)가 고정지지되고, 이 제 1부재(11)의 내측에는 또다른 원형단면을 가지는 제 2부재(12)가 삽입되어 이 제 2부재(12)의 외주면이 제 1부재(11)의 내표면과 밀착되어 슬라이딩되도록 마련되어 있다. 상기 제 2부재(12)는 중실축이어도 무관하나 보다 바람직하게는 일측 끝단이 막힌 중공축이 좋은데, 그 이유는 상기 제 2부재(12)가 제 1부재(11)속에서 연장되어 돌출될 때, 관성에 의해 시간적 지연이 발생되지 않고 순간적 응답성이 뛰어나게 하기 위함이다. 즉, 본 발명에 따른 도어임팩트바(10)는 크게 제 1부재(11)내에 삽입되어 있는 제 2부재(12)로 구성된다. 또한, 상기 제 1부재(11)는 위에서 언급한 바와 같이 일측만이 고정지지되는 구조로 형성되어 있는바, 이럴 경우 충돌 및 진동에 대해 상기 제 1부재(11)의 고정지지력이 떨어지는 것을 보강하기 위하여 제 1부재(11)의 타측에 상기 제 1부재(11)를 고정함과 동시에 상기 제 2부재(12)가 인출되는 것을 용이하게 하도록 가이드(13)가 형성된다.According to the above drawings, the first member 11 having a hollow circular section in the longitudinal direction of the door is embedded in the door space portion between the door inner panel 1 and the outer panel 2. One end of the first member 11 is joined to the mounting bracket 4 so that the first member 11 is fixed and supported, and a second member having another circular cross section inside the first member 11. 12 is inserted so that the outer circumferential surface of the second member 12 is brought into close contact with the inner surface of the first member 11 so as to slide. The second member 12 may be a solid shaft, but more preferably, a hollow shaft having one end closed is preferable, because the second member 12 extends and protrudes in the first member 11. In order to improve instantaneous responsiveness without time delay caused by inertia. That is, the door impact bar 10 according to the present invention is largely composed of the second member 12 inserted into the first member 11. In addition, the first member 11 is formed in a structure in which only one side is fixedly supported as mentioned above. In this case, to reinforce that the fixed supporting force of the first member 11 falls against collision and vibration. In order to fix the first member 11 to the other side of the first member 11 and at the same time the guide 13 is formed to facilitate the extraction of the second member 12.

한편, 상기 제 1부재(11)내에서 제 2부재(12)가 삽입된 상태에서 측면충돌시 제 2부재(12)가 연장되어 충돌에너지를 차체로 분산시키기 위한 구성은 다음과 같다.On the other hand, when the second member 12 in the state in which the second member 12 is inserted in the first member 11, the second member 12 is extended to distribute the collision energy to the vehicle body as follows.

상기 제 1부재(11)내에 삽입된 제 2부재(12)의 후방에 순간적으로 폭발력이 발생되는 가스제너레이터(14)가 마련된다. 상기 가스제너레이터(14)는 액츄에이터로서 일종의 전자제어장치인 ECU(Electronic Control Unit)(15)의 제어에 의해 작동되며, 상기 ECU(15)는 도어(5)의 측면부에 설치된 측면충돌센서(16)를 신호원으로 전기적 신호를 전달 받는다. 즉, 도어(5)의 측면부에 설정된 수치이상의 충돌에너지가 입력되면, 상기 측면충돌센서(16)가 이를 감지하여 전기적 신호로 변환하여 ECU(15)에 전달하게 된다. 그러면 상기 ECU(15)는 상기 제 1부재(11)에 설치된 가스제너레이터(14)에 작동신호를 전달한다. 상기 ECU(15)로부터 작동신호를 전달받은 가스제너레이터(14)는 가스의 순간적 폭발압에 의해 상기 제 1부재(11)내에 내장되어 있던 제 2부재(12)에 추력이 제공된다. 따라서, 상기 제 2부재(12)는 상기 가스제너레이터(14)의 가스폭발압에 의해 일측단부가 추력을 제공받으면서 연장되어 차체의 센터필라(17)에 형성된 홈(18)으로 제 2부재(12)가 삽입된다. 물론 상기 센터필라(17)에 형성된 홈(18)은 보통의 경우 홈(18)의 입구측이 마개(18a) 막힘되어 있는 것이 외관상 좋고 상기 마개(18a)는 통상적인 고무재질인 것이 바람직하다.At the rear of the second member 12 inserted into the first member 11, a gas generator 14 for generating an instantaneous explosive force is provided. The gas generator 14 is operated by a control of an ECU (Electronic Control Unit) 15, which is a kind of electronic control device as an actuator, and the ECU 15 has a side collision sensor 16 installed at a side of the door 5. Receives an electrical signal as a signal source. That is, when a collision energy of more than the value set in the side portion of the door 5 is input, the side collision sensor 16 detects it and converts it into an electrical signal and transmits it to the ECU 15. The ECU 15 then transmits an operation signal to the gas generator 14 installed in the first member 11. The gas generator 14 receiving the operation signal from the ECU 15 is provided with thrust to the second member 12 built into the first member 11 by the instantaneous explosion pressure of the gas. Accordingly, the second member 12 is a second member 12 as a groove 18 formed in the center pillar 17 of the vehicle body by extending from one end of the second generator 12 while being provided with thrust by the gas explosion pressure of the gas generator 14. ) Is inserted. Of course, the groove 18 formed in the center pillar 17 is usually the inlet side of the groove 18 is clogged with the stopper 18a in appearance and the stopper 18a is preferably a conventional rubber material.

이상의 구성을 가지는 본 발명의 작용은 다음과 같다.The operation of the present invention having the above configuration is as follows.

차량의 측면충돌 사고 발생시 도어의 변형을 수반하는 충돌에너지가 측면충돌센서(16)에 의해 감지되면 ECU(15)는 도어임팩트바(10)의 제 1부재(11)에 내장된 가스제너레이터(14)를 작동시킨다. 상기 가스제너레이터(14)가 작동될 때, 가스제너레이터(14)에 압축저장되어 있던 가스가 순간적인 큰 압력으로 폭발되어 상기 제 1부재(11)속에 내장되어 있던 제 2부재(12)를 밀어내어 상기 제 2부재(12)는 이와 대응되는 센터필라(17)의 홈(18)에 막혀 있던 마개(18a)를 뚫고 홈(18)으로 삽입되게 된다. 따라서, 결국은 도어임팩트바(10)가 연장되는 효과를 가지며, 이에 의하여 도어부의 강성 증대뿐만 아니라 도어가 받게 되는 충돌에너지를 차체로 전달, 분산시키는 효과를 가져온다.When collision energy accompanying deformation of the door is detected by the side collision sensor 16 when a side collision accident of the vehicle occurs, the ECU 15 may include a gas generator 14 embedded in the first member 11 of the door impact bar 10. ). When the gas generator 14 is operated, the gas that has been compressed and stored in the gas generator 14 is exploded at an instantaneous high pressure to push out the second member 12 embedded in the first member 11. The second member 12 is inserted into the groove 18 through the plug 18a which is blocked in the groove 18 of the center pillar 17 corresponding thereto. Therefore, eventually the door impact bar 10 has the effect of extending, thereby increasing the rigidity of the door portion, thereby bringing the effect of transmitting and dispersing the collision energy received by the door to the vehicle body.

상술한 바와 같이 본 발명에 따른 자동차용 도어임팩트바에 의하면, 도어임팩트바의 제 1부재내에 내장된 가스제너레이터와 제 2부재의 구성을 통하여 도어측에 측면충돌이 발생될 경우, 상기 가스제너레이터의 작동으로 상기 제 2부재가 돌출되어 차체의 센터필라에 형성된 홈에 삽입됨으로써, 종래에는 도어부가 고스란히 감당하여야 하던 측면충돌에너지를 연장된 상기 도어임팩트바에 의해 차체쪽으로 충돌에너지를 분산시키게 됨으로 도어가 승객실로 과도하게 침투되는 현상을 방지할수 있다. 따라서, 본 발명의 도어임팩트바로 탑승자의 안전성을 높이는 탁월한 효과가 있다.According to the door impact bar for a vehicle according to the present invention as described above, when the side impact occurs on the door side through the configuration of the gas generator and the second member built in the first member of the door impact bar, the operation of the gas generator As the second member protrudes and is inserted into a groove formed in the center pillar of the vehicle body, the door is distributed to the passenger compartment by dispersing the collision energy toward the vehicle body by the door impact bar, which extends the side impact energy that the conventional door portion must bear. It can prevent excessive penetration. Therefore, the door impact bar of the present invention has an excellent effect of increasing the safety of the occupants.

Claims (5)

도어인너패널(1)과 도어아웃터패널(2) 사이의 공간부에 내설되고 마운팅 브라켓(4)에 의해 양끝단이 고정지지되는 도어임팩트바에 있어서,In the door impact bar which is built in the space between the door inner panel (1) and the door outer panel (2) and fixed at both ends by a mounting bracket (4), 상기 마운팅 브라켓(4)에 의해 일측끝단이 고정설치되는 제 1부재(11)와 상기 제 1부재(11)에 내장되는 가스제너레이터(14)와 상기 가스제너레이터(14)의 작동에 의해 연장돌출되게 제 1부재(11)속에 끼워지는 제 2부재(12)와 상기 제 2부재(12)와 대응되며 이 돌출된 제 2부재(12)가 삽입되도록 차체에 홈(18)이 형성된 것을 특징으로 하는 자동차용 도어임팩트바.One side end is fixed by the mounting bracket 4 so as to protrude by the operation of the gas generator 14 and the gas generator 14 built in the first member 11. A groove 18 is formed in the vehicle body so as to correspond to the second member 12 inserted into the first member 11 and the second member 12, and the protruding second member 12 is inserted therein. Door impact bar for cars. 제 1항에 있어서, 상기 가스제너레이터(14)는 ECU(15)의 제어에 의해 작동되는 것을 특징으로 하는 자동차용 도어임팩트바.2. The door impact bar for a vehicle according to claim 1, wherein the gas generator (14) is operated by the control of the ECU (15). 제 2항에 있어서, 도어에는 측면충돌시 전기적 신호를 발신하는 센서(16)가 있고, 상기 ECU(15)는 도어에 부착된 센서(16)를 통해 충돌신호를 받는 것을 특징으로 하는 자동차용 도어임팩트바.3. The door of claim 2, wherein the door has a sensor (16) that transmits an electrical signal in the event of a side collision, and the ECU (15) receives a collision signal through a sensor (16) attached to the door. Impact bar. 제 1항에 있어서, 상기 차체의 홈(18)에 마개(18a)가 설치된 것을 특징으로 하는 자동차용 도어임팩트바.2. The door impact bar for automobiles according to claim 1, wherein a stopper (18a) is provided in the groove (18) of the vehicle body. 제 1항에 있어서, 상기 제 2부재(12)는 일측끝단이 막힌 중공축인 것을 특징으로 하는 자동차용 도어임팩트바.The door impact bar for a vehicle according to claim 1, wherein the second member (12) is a hollow shaft with one end closed.
KR1020000064876A 2000-11-02 2000-11-02 A Door Impact Bar for Vehicle KR20020034498A (en)

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