KR20030042776A - Safety device in case of frontal collision - Google Patents

Safety device in case of frontal collision Download PDF

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Publication number
KR20030042776A
KR20030042776A KR1020010073539A KR20010073539A KR20030042776A KR 20030042776 A KR20030042776 A KR 20030042776A KR 1020010073539 A KR1020010073539 A KR 1020010073539A KR 20010073539 A KR20010073539 A KR 20010073539A KR 20030042776 A KR20030042776 A KR 20030042776A
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KR
South Korea
Prior art keywords
piston
cap
vehicle
cylinder
chamber
Prior art date
Application number
KR1020010073539A
Other languages
Korean (ko)
Inventor
조윤익
Original Assignee
조윤익
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Application filed by 조윤익 filed Critical 조윤익
Priority to KR1020010073539A priority Critical patent/KR20030042776A/en
Publication of KR20030042776A publication Critical patent/KR20030042776A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B60R19/20—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly gas or liquid, e.g. inflatable
    • B60R19/205—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly gas or liquid, e.g. inflatable inflatable in the direction of an obstacle upon impending impact, e.g. using air bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/24—Arrangements for mounting bumpers on vehicles
    • 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
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
    • 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
    • B60R2021/0004—Frontal collision
    • 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
    • B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
    • B60R21/36—Protecting non-occupants of a vehicle, e.g. pedestrians using airbags

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)

Abstract

PURPOSE: A safety apparatus for a head-on collision for a vehicle is provided to minimize impact to the other vehicle by expanding an air bag temporarily between a bumper and a cylinder. CONSTITUTION: A safety apparatus for a head-on collision for a vehicle includes an exhausting passage(20); an air bag(22) and a check valve(23). The exhausting passage is formed inside a cylinder to be communicated to a powder chamber. The air bag is connected to the exhausting passage by a connecting hose(21) and installed inside a bumper(1). Therein, the air bag is expanded by pressure generated when powder in the powder chamber is exploded. The check valve is installed on the connecting hose to prevent counter flow of expanding pressure moving to the air bag. Impact to the other vehicle in the head-on collision is minimized by expanding the air bag temporarily with expanding pressure in the powder chamber.

Description

자동차의 정면충돌시 안전장치{omitted}Safety device in case of frontal collision of car {omitted}

본 발명은 자동차의 정면 충돌시 탑승자를 보호하는 자동차의 정면충돌시 안전장치에 관한 것으로서, 좀더 구체적으로는 자동차의 정면 충돌시 범퍼가 내부로 밀려들어옴에 따른 운전자 및 조수석 탑승자의 사망 사고를 미연에 방지하기 위한 것이다.The present invention relates to a safety device for a frontal collision of a vehicle that protects the occupant during a frontal collision of the vehicle. It is to prevent.

일반적으로 산업의 발달로 인해 자동차의 보급률이 급속도로 증가되고 있고, 이로 인해 부주의로 인한 불의의 자동차 사고율 또한 비례하여 증가하고 있는 실정이다.In general, due to the development of the industry, the penetration rate of automobiles is rapidly increasing, and thus the accident rate of accidental automobiles due to carelessness is also increasing proportionally.

그러나 경미한 자동차의 접촉사고인 경우 자동차의 파손에 따른 물적 피해만을 입게 되지만, 정면 충돌사고인 경우에는 물적 피해는 물론 반드시 인명 피해가 수반되므로 자동차의 정면 충돌시 가해지는 충격을 완화시켜 운전자는 물론이고 탑승자를 보호하기 위한 장치가 출원인에 의해 개발되어 특허 1999-21186호로 출원되어 등록된 바 있다.However, in the case of a minor car accident, only the physical damage caused by the damage of the car is incurred, but in the case of a frontal collision, the physical damage is necessarily accompanied by personal injury. A device for protecting occupants has been developed by the applicant and filed and registered under patent 1999-21186.

도 1은 종래 장치의 일 실시예를 나타낸 사시도이고 도 2a 내지 도 2c는 도 3의 종단면도로서, 본 발명은 범퍼(1)의 후방에 위치하는 차체(2)에 고정할 수 있도록 브라켓(3)이 고정된 실린더(4)에 화약(5)이 담겨지는 약실(6)을 갖는 피스턴(7)이 설치되어 고정핀(8)으로 지지되어 있고 상기 실린더(4)와 피스턴(7)사이에는 자동차의 충돌시 충격을 흡수하는 충격흡수부재(9)가 설치되어 있다.1 is a perspective view showing an embodiment of a conventional device and Figures 2a to 2c is a longitudinal cross-sectional view of Figure 3, the present invention is a bracket (3) to be fixed to the vehicle body (2) located in the rear of the bumper (1) ), A piston (7) having a chamber (6) in which the gunpowder (5) is contained is fixed to the cylinder (4) to which it is fixed and supported by a fixing pin (8), between the cylinder (4) and the piston (7). A shock absorbing member 9 is provided which absorbs a shock during a collision of a vehicle.

그리고 상기 피스턴(7)의 선단에는 약실(6)에 담겨진 화약(5)이 외부로 유출되는 것을 방지하는 구리재질의 폐쇄판(10)이 설치되어 있고 상기 폐쇄판의 중심부에는 화약(9)의 기폭제역할을 하는 뇌관(11)이 위치되어 있으며 상기 피스턴의 외주면에는 전면 또는 측면에 범퍼(1)를 고정할 수 있도록 브라켓(12)이 고정된 캡(13)이 감싸여지게 설치되어 있다.And the front end of the piston 7 is provided with a copper closing plate 10 to prevent the gunpowder (5) contained in the chamber (6) to flow to the outside and the center of the closing plate of the gunpowder (9) Primer 11 acts as a detonator is located and the outer peripheral surface of the piston is installed so that the cap 13 is fixed to the bracket 12 is fixed to the bumper 1 to the front or side.

또한, 상기 캡(13)의 내면에 뇌관(11)과 근접되게 공이(14)가 형성되어 있고 뇌관(11)과 공이(14)사이에는 안전스프링(15)이 설치되어 있는데, 상기 캡(13)은 초기 상태(미작동 상태)에서 복수개의 안전핀(16)에 의해 피스턴(7)으로부터 이탈되지 않도록 지지되어 있다.In addition, a ball 14 is formed on the inner surface of the cap 13 to be close to the primer 11, and a safety spring 15 is installed between the primer 11 and the ball 14, the cap 13 ) Is supported so as not to be separated from the piston 7 by the plurality of safety pins 16 in the initial state (non-operation state).

상기 피스턴(7)과 캡(13)의 접속면 또는 안전핀(16)의 설치부위에는 씰러(17)가 도포되어 캡(13)의 내부를 습기로부터 보호하도록 되어 있다.A sealer 17 is applied to the connection surface of the piston 7 and the cap 13 or the installation portion of the safety pin 16 to protect the interior of the cap 13 from moisture.

또, 상기 피스턴(7)으로부터 캡(13)의 이탈시 캡의 이탈을 제어하도록 피스턴(7)의 외주면과 캡(13)의 외주면에 걸림턱(18a)(18b)을 각각 형성하여 피스턴(7)내의 화약이 폭발하더라도 걸림턱(18a)(18b)에 의해 캡(13)의 이탈량이 제어되도록 되어 있다.In addition, the locking jaws 18a and 18b are formed on the outer circumferential surface of the piston 7 and the outer circumferential surface of the cap 13 so as to control the detachment of the cap when the cap 13 is detached from the piston 7. The exploding amount of the cap 13 is controlled by the catching jaws 18a and 18b even if the gunpowder in the cylinder explodes.

상기 피스턴(7)의 외주면에 복수개의 기밀용 링(19)이 설치되어 캡(13)의 내주면과의 기밀을 유지하도록 되어 있다.A plurality of hermetic rings 19 are provided on the outer circumferential surface of the piston 7 so as to maintain hermeticity with the inner circumferential surface of the cap 13.

따라서 상기한 안전장치가 자동차에 장착된 상태는 도 2a와 같이 피스턴(7)의 외주면에 캡(13)이 결합되어 안전핀(16)으로 지지되어 있어 캡(13)에 형성된 공이(14)가 뇌관(11)과 일정 간격을 유지하고 있다.Therefore, in the state in which the safety device is mounted on the vehicle, as shown in FIG. 2A, the cap 13 is coupled to the outer circumferential surface of the piston 7 and is supported by the safety pin 16 so that the ball 14 formed on the cap 13 is a primer. It maintains constant interval with (11).

이러한 상태에서 자동차의 주행 중에 불의의 충돌사고가 발생되면 그 충격에 의해 범퍼(1)가 운전석으로 밀려들어오게 되므로 상기 범퍼에 고정된 캡(13)에 충격이 가해지게 된다.In this state, when an accidental collision occurs while driving a vehicle, the bumper 1 is pushed into the driver's seat by the shock, so that an impact is applied to the cap 13 fixed to the bumper.

이와 같이 캡(13)에 충격이 가해지면 피스턴(7)은 실린더(4)와 충격흡수부재(9)에 의해 지지되어 있지만, 캡(13)은 피스턴(7)과 취성에 약한 안전핀(16)으로 지지되어 있어 상기 안전핀(16)이 가해진 충격에 의해 부러지게 되므로 캡(13)이 도면상 화살표 방향으로 후퇴하게 된다.When the shock is applied to the cap 13 as described above, the piston 7 is supported by the cylinder 4 and the shock absorbing member 9, but the cap 13 is the piston 7 and the brittle safety pin 16 weak. Since the safety pin 16 is broken by the impact applied to the cap 13 is retracted in the direction of the arrow in the drawing.

이에 따라, 캡(13)의 내부에 형성된 공이(14)가 도 2b와 같이 뇌관(11)을 타격하여 뇌관을 점화시키게 되므로 그 점화력에 의해 피스턴(7)의 약실(6)에 담겨져 있던 화약(5)이 폭발하게 된다.As a result, the ball 14 formed in the cap 13 hits the primer 11 to ignite the primer 11 as shown in FIG. 2B, and therefore, the gunpowder contained in the chamber 6 of the piston 7 by the ignition force. (5) will explode.

상기 약실(6)내의 화약(5)이 폭발하면 그 폭발력에 의해 후방으로 약간 후퇴하였던 캡(13)이 도 2c와 같이 순간적으로 전진하여 자동차에 가해지는 충격을 완화시키게 되므로 운전자 및 탑승자의 생명을 최대한 보호하게 된다.When the gunpowder 5 in the chamber 6 explodes, the cap 13, which has been slightly retracted backward by the explosive force, momentarily moves forward as shown in FIG. Maximum protection.

그러나 이러한 안전장치는 주행 중 다른 자동차와 정면 충돌시 범퍼에 충격이 가해지면 약실내의 화약 폭발로 주행하고 있던 자동차에 반작용을 일으켜 상대방 자동차의 충돌에 따라 가해지는 충격을 최대한 완화시키게 되므로 운전자 및 탑승자의 생명을 보호하게 되는 효과를 얻게 되지만, 자동차의 충돌에 따른 충격력이 크거나, 약실내의 화약 충진량이 일정하지 않을 경우에는 상대방 자동차에 충격을가할 우려가 있다.However, such a safety device, when the bumper is impacted in front of another vehicle while driving, reacts to the vehicle that was driven by the explosion of gunpowder in the chamber, thereby minimizing the impact caused by the collision of the other car. The effect is to protect the life of the car, but if the impact force due to the collision of the car or the amount of gunpowder in the chamber is not constant there is a possibility of impact on the other car.

본 발명은 이와 같은 종래의 문제점을 해결하기 위해 안출한 것으로서, 범퍼와 실린더사이에 에어백을 설치하여 자동차의 정면 충돌시 발생된 약실내의 팽창 압력으로 에어백을 순간적으로 팽창시켜 상대방 자동차에 가해지는 충격을 최소화할 수 있도록 하는데 그 목적이 있다.The present invention has been made to solve such a conventional problem, by installing an air bag between the bumper and the cylinder to inflate the air bag instantaneously with the expansion pressure in the chamber generated during the frontal collision of the car impact applied to the other car The goal is to minimize

상기 목적을 달성하기 위한 본 발명의 형태에 따르면, 차체에 고정 설치되는 실린더와, 상기 실린더내에 고정되고 선단에는 화약이 담겨지는 약실을 갖는 피스턴과, 상기 실린더와 피스턴사이에 설치되어 자동차의 충돌시 충격을 흡수하는 충격흡수부재와, 상기 피스턴을 실린더에 고정하는 고정핀과, 상기 피스턴의 선단에 고정되어 약실에 담겨진 화약이 외부로 유출되는 것을 방지하는 폐쇄판과, 상기 폐쇄판의 중심부에 설치되어 화약의 기폭제역할을 하는 뇌관과, 상기 피스턴의 외주면에 감싸여지게 설치됨과 동시에 전면 또는 측면이 범퍼에 고정되는 캡과, 상기 캡의 내면에 뇌관과 근접되게 형성된 공이와, 상기 캡을 피스턴에 지지 고정하는 안전핀과, 상기 피스턴으로부터 캡의 이탈을 제어하는 이탈 방지수단으로 구성된 자동차의 정면충돌시 안전장치에 있어서, 약실과 통하여지게 실린더내에 형성된 배출통로와, 상기 배출통로와 연결호스로 연결되고 자동차의 범퍼내에 설치되어 약실 내의 화약이 폭발시 발생되는 압력으로 팽창되는 에어백과, 상기 연결호스상에 설치되어 팽창압력이 에어백으로 이동시 역류를 방지하는 체크밸브로 구성된 것을 특징으로 하는 자동차의 정면충돌시 안전장치가 제공된다.According to an aspect of the present invention for achieving the above object, a piston having a cylinder fixed to the vehicle body, a chamber fixed in the cylinder and the gunpowder is contained in the front end, and is installed between the cylinder and the piston when a collision of the vehicle A shock absorbing member for absorbing the shock, a fixing pin for fixing the piston to the cylinder, a closing plate fixed to the tip of the piston to prevent leakage of the gunpowder contained in the chamber to the outside, and installed in the center of the closing plate A cap to be detonated and acted as an explosive detonator, a cap which is installed to be wrapped around the outer circumferential surface of the piston and a front or side is fixed to the bumper, and a ball formed to be close to the primer on the inner surface of the cap, Front collision of the vehicle consisting of a safety pin for supporting and fixing, the separation prevention means for controlling the separation of the cap from the piston A safety device, comprising: an exhaust passage formed in a cylinder through a chamber, an air bag connected to the discharge passage through a connection hose, installed in a bumper of an automobile, and inflated to a pressure generated when an explosion in the chamber explodes; Safety device is provided in front of the vehicle, characterized in that the expansion valve is installed in the check valve to prevent the reverse flow when moving to the airbag.

도 1은 종래 장치의 일 실시예를 나타낸 사시도1 is a perspective view showing an embodiment of a conventional device

도 2a 내지 도 2c는 도 1의 종단면도로서,2A to 2C are longitudinal cross-sectional views of FIG. 1;

도 2a는 자동차에 장착된 초기 상태도2a is an initial state diagram mounted on a vehicle

도 2b는 정면 충돌에 따라 캡내의 공이가 뇌관을 타격한 상태도Figure 2b is a state in which the ball in the cap hit the primer according to the frontal collision

도 2c는 약실내의 화약이 폭발하여 범퍼와 고정된 캡이 전면으로 전진된 상태도Figure 2c is a state in which the gunpowder in the chamber exploded and the bumper and the fixed cap is advanced to the front

도 3a 및 도 3b는 본 발명의 일 실시예를 나타낸 종단면도로서,3A and 3B are longitudinal cross-sectional views illustrating one embodiment of the present invention;

도 3a는 자동차에 장착된 초기 상태도3a is an initial state diagram mounted on a vehicle

도 3b는 약실내의 화약이 폭발하여 에어백이 팽창된 상태도Figure 3b is a state in which the air bag is inflated by explosives in the chamber

도면중 주요 부분에 대한 부호의 설명Explanation of symbols for main parts in the drawings

1 : 범퍼 4 : 실린더1: bumper 4: cylinder

5 : 화약 6 : 약실5: gunpowder 6: chamber

7 : 피스턴 9 : 충격흡수부재7: piston 9: shock absorbing member

11 : 뇌관 13 : 캡11: primer 13: cap

14 : 공이 20 : 배출통로14: ball 20: discharge passage

21 : 연결호스 22 : 에어백21: connection hose 22: airbag

23, 24 : 체크밸브23, 24: check valve

이하, 본 발명을 일 실시예로 도시한 도 3을 참고하여 더욱 상세히 설명하면 다음과 같다.Hereinafter, described in more detail with reference to Figure 3 showing the present invention as an embodiment.

도 3a 및 도 3b는 본 발명의 일 실시예를 나타낸 종단면도로서, 본 발명의 구성 중 종래 안전장치의 구성과 동일한 부분은 그 설명을 생략하고 동일부호를 부여하기로 한다.3a and 3b is a longitudinal sectional view showing an embodiment of the present invention, the same parts as the configuration of the conventional safety device of the configuration of the present invention will be omitted with the same reference numerals will be given.

본 발명은 실린더(4)에 형성된 약실(6)과 외부가 통하여지게 실린더내에 배출통로(20)가 형성되어 있고 상기 배출통로의 끝단에는 약실내의 화약이 폭발시 발생되는 팽창압력을 외부로 공급하기 위한 연결호스(21)의 일단이 연결되어 있으며 상기 연결호스의 다른 일단은 범퍼(1)와 실린더(4)사이에 설치되는 에어백(22)과 고정되어 있다.According to the present invention, the discharge chamber 20 is formed in the cylinder so that the chamber 6 formed in the cylinder 4 and the outside thereof are provided, and at the end of the discharge passage, the expansion pressure generated when the powder is exploded in the chamber is supplied to the outside. One end of the connection hose 21 is connected, and the other end of the connection hose is fixed to the airbag 22 installed between the bumper 1 and the cylinder 4.

상기 에어백(22)의 재질은 부피를 최소화하면서도 자동차의 충돌시 에어백이 팽창되는 과정에서 찢어지지 않는 재질을 사용하면 되므로 이에 대한 한정은 하지 않는다.The material of the airbag 22 may be made of a material that does not tear in the process of inflating the airbag during the collision of the vehicle while minimizing the volume.

그리고 상기 연결호스(21)상에 약실(6)내의 팽창압력이 에어백(22)으로 이동시 역류를 방지하는 체크밸브(23)(24)가 설치되어 있다.Check valves 23 and 24 are provided on the connecting hose 21 to prevent backflow when the expansion pressure in the chamber 6 moves to the airbag 22.

이는, 자동차의 정면충돌로 인해 약실(6)내의 화약(5)이 폭발시 발생되는 팽창압력이 에어백(22)측으로 신속하게 이동하여 에어백(22)을 부풀리도록 하기 위함이다.This is to cause the inflating pressure generated when the gunpowder 5 in the chamber 6 explodes due to the frontal collision of the vehicle to quickly move to the airbag 22 side to inflate the airbag 22.

이와 같이 구성된 본 발명의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention configured as described above is as follows.

먼저, 본 발명의 에어백(22)은 도 3a와 같이 범퍼(1)와 실린더(4)사이에 부피가 최소화되도록 절첩된 상태로 설치되어 있고 캡(13)에 형성된 공이(14)가 뇌관(11)과 일정 간격을 유지하고 있다.First, the airbag 22 of the present invention is installed in a folded state to minimize the volume between the bumper 1 and the cylinder 4, as shown in Figure 3a and the ball 14 formed in the cap 13 is a primer 11 ) And at regular intervals.

이러한 상태에서 자동차의 주행 중에 불의의 충돌사고가 발생되면 그 충격에 의해 범퍼(1)가 운전석으로 밀려들어오게 되므로 상기 범퍼에 고정된 캡(13)에 충격이 가해지게 된다.In this state, when an accidental collision occurs while driving a vehicle, the bumper 1 is pushed into the driver's seat by the shock, so that an impact is applied to the cap 13 fixed to the bumper.

이와 같이 캡(13)에 충격이 가해지면 피스턴(7)은 실린더(4)와 충격흡수부재(9)에 의해 지지되어 있지만, 캡(13)은 피스턴(7)과 취성에 약한 안전핀(16)으로 지지되어 있어 상기 안전핀(16)이 가해진 충격에 의해 부러지게 되므로 캡(13)이 도면상 화살표 방향으로 후퇴하게 된다.When the shock is applied to the cap 13 as described above, the piston 7 is supported by the cylinder 4 and the shock absorbing member 9, but the cap 13 is the piston 7 and the brittle safety pin 16 weak. Since the safety pin 16 is broken by the impact applied to the cap 13 is retracted in the direction of the arrow in the drawing.

이에 따라, 캡(13)의 내부에 형성된 공이(14)가 뇌관(11)을 타격하여 뇌관을 점화시키게 되므로 그 점화력에 의해 피스턴(7)의 약실(6)에 담겨져 있던 화약(5)이 폭발하게 된다.Accordingly, since the ball 14 formed in the cap 13 hits the primer 11 to ignite the primer, the gunpowder 5 contained in the chamber 6 of the piston 7 is ignited by the ignition force. It will explode.

상기 약실(6)내의 화약(5)이 폭발하면 그 폭발력에 의해 후방으로 약간 후퇴하였던 캡(13)이 도 3b와 같이 순간적으로 전진하여 자동차에 가해지는 충격을 완화시킴과 동시에 화약(5)의 폭발로 발생된 팽창압력이 배출통로(20)와 연결호스(21)를 통해 범퍼(1)의 후방에 설치된 에어백(22)으로 이동하게 되므로 에어백(22)이 순간적으로 부풀리게 되고, 이에 따라 부풀어진 에어백(22)이 피해자의 운전자 및 탑승자는 물론 가해자의 자동차에 가해지는 충격을 흡수하게 되므로 가해자의 운전자 및 탑승자의 안전을 도모하게 되는 것이다.When the explosive 5 in the chamber 6 explodes, the cap 13, which has been slightly retracted rearward by the explosive force, momentarily moves forward as shown in FIG. 3B to mitigate the impact on the vehicle and at the same time, Since the expansion pressure generated by the explosion is moved to the air bag 22 installed in the rear of the bumper 1 through the discharge passage 20 and the connection hose 21, the air bag 22 is inflated momentarily, and accordingly inflated Since the jin airbag 22 absorbs the shock applied to the victim's driver as well as the passenger's car, the driver's driver and the passenger's safety will be promoted.

이상에서와 같이 본 발명은 범퍼와 실린더사이에 에어백을 설치하여 자동차의 정면 충돌시 발생된 약실내의 팽창 압력으로 에어백을 순간적으로 팽창시켜 상대방 자동차에 가해지는 충격을 최소화하게 되므로 피해자는 물론 가해자의 운전자 및 탑승자의 안전을 최대한 도모하게 되는 효과를 얻게 된다.As described above, the present invention installs an airbag between the bumper and the cylinder to inflate the airbag instantaneously with the expansion pressure in the chamber generated during the frontal collision of the vehicle, thereby minimizing the impact on the other vehicle. The effect is to maximize the safety of the driver and passengers.

Claims (1)

차체에 고정 설치되는 실린더와, 상기 실린더내에 고정되고 선단에는 화약이 담겨지는 약실을 갖는 피스턴과, 상기 실린더와 피스턴사이에 설치되어 자동차의 충돌시 충격을 흡수하는 충격흡수부재와, 상기 피스턴을 실린더에 고정하는 고정핀과, 상기 피스턴의 선단에 고정되어 약실에 담겨진 화약이 외부로 유출되는 것을 방지하는 폐쇄판과, 상기 폐쇄판의 중심부에 설치되어 화약의 기폭제역할을 하는 뇌관과, 상기 피스턴의 외주면에 감싸여지게 설치됨과 동시에 전면 또는 측면이 범퍼에 고정되는 캡과, 상기 캡의 내면에 뇌관과 근접되게 형성된 공이와, 상기 캡을 피스턴에 지지 고정하는 안전핀과, 상기 피스턴으로부터 캡의 이탈을 제어하는 이탈 방지수단으로 구성된 자동차의 정면충돌시 안전장치에 있어서, 약실과 통하여지게 실린더내에 형성된 배출통로와, 상기 배출통로와 연결호스로 연결되고 자동차의 범퍼내에 설치되어 약실내의 화약이 폭발시 발생되는 압력으로 팽창되는 에어백과, 상기 연결호스상에 설치되어 팽창압력이 에어백으로 이동시 역류를 방지하는 체크밸브로 구성된 것을 특징으로 하는 자동차의 정면충돌시 안전장치.A piston having a cylinder fixed to the vehicle body, a piston fixed in the cylinder and containing a gunpowder at its tip, a shock absorbing member disposed between the cylinder and the piston to absorb shocks when a vehicle collides, and the piston A fixing pin fixed to the front plate, a closing plate fixed to the tip of the piston to prevent leakage of the gunpowder contained in the chamber to the outside, a primer installed at the center of the closing plate and acting as an initiator of the gunpowder, and the piston A cap which is installed to be wrapped around the outer surface and fixed to the bumper at the front or the side thereof, a ball formed to be close to the primer on the inner surface of the cap, a safety pin for supporting the cap to the piston, and a detachment of the cap from the piston. In a safety device for a frontal collision of a vehicle composed of a departure prevention means for controlling, in the cylinder through the chamber An air bag which is formed through the discharge passage, and is connected to the discharge passage with the connection hose and is installed in the bumper of the vehicle and is expanded at the pressure generated when the powder is exploded in the chamber, and is installed on the connection hose to counter current flow when the expansion pressure is moved to the air bag. Safety device when the front of the car, characterized in that consisting of a check valve to prevent the.
KR1020010073539A 2001-11-23 2001-11-23 Safety device in case of frontal collision KR20030042776A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980065520U (en) * 1997-05-01 1998-12-05 이경환 Shock absorber car bumper
JPH11170965A (en) * 1997-12-08 1999-06-29 All Mode Kk Exterior front airbag for automobile
KR19990048254A (en) * 1997-12-09 1999-07-05 배길훈 Air bag system of car bumper and its control method
KR100313708B1 (en) * 1999-06-08 2001-11-15 조윤익 safety device for head-on crash of car

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980065520U (en) * 1997-05-01 1998-12-05 이경환 Shock absorber car bumper
JPH11170965A (en) * 1997-12-08 1999-06-29 All Mode Kk Exterior front airbag for automobile
KR19990048254A (en) * 1997-12-09 1999-07-05 배길훈 Air bag system of car bumper and its control method
KR100313708B1 (en) * 1999-06-08 2001-11-15 조윤익 safety device for head-on crash of car

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