KR20010046286A - An automobile frame having a damper for absorbing shock - Google Patents

An automobile frame having a damper for absorbing shock Download PDF

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Publication number
KR20010046286A
KR20010046286A KR1019990049993A KR19990049993A KR20010046286A KR 20010046286 A KR20010046286 A KR 20010046286A KR 1019990049993 A KR1019990049993 A KR 1019990049993A KR 19990049993 A KR19990049993 A KR 19990049993A KR 20010046286 A KR20010046286 A KR 20010046286A
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KR
South Korea
Prior art keywords
vehicle
bumper
shock
frame
damper
Prior art date
Application number
KR1019990049993A
Other languages
Korean (ko)
Inventor
엄기영
Original Assignee
류정열
기아자동차 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 류정열, 기아자동차 주식회사 filed Critical 류정열
Priority to KR1019990049993A priority Critical patent/KR20010046286A/en
Publication of KR20010046286A publication Critical patent/KR20010046286A/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
    • 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
    • B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
    • B60R2019/1813—Structural beams therefor, e.g. shock-absorbing made of metal
    • 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
    • B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
    • B60R2019/1833—Structural beams therefor, e.g. shock-absorbing made of plastic material
    • B60R2019/1846—Structural beams therefor, e.g. shock-absorbing made of plastic material comprising a cellular structure
    • 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
    • B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
    • 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
    • B60R2019/1893—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 comprising a multiplicity of identical adjacent shock-absorbing means
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Vibration Dampers (AREA)

Abstract

PURPOSE: An automobile frame mounting a shock-absorbing damper is provided to prevent injury of vehicle passengers due to shock by improving shock-absorbing capacity, and improve overhaul of a vehicle and prevent weighting to injury of a driver by additionally providing a bumper bracket. CONSTITUTION: An automobile frame(1) mounting a shock-absorbing damper(3) includes a bumper assembly body(4) absorbing shock quantity transmitted to a car body in case of collision, one or more dampers installed at a bumper bracket(5) and the frame where a bumper reinforcement material of the bumper assembly body is installed, and contracted in longitudinal direction of the car body by the shock or load to absorb the shock transmitted to the car body in case of collision.

Description

충격 흡수용 댐퍼가 장착된 자동차 프레임{An automobile frame having a damper for absorbing shock}An automobile frame having a damper for absorbing shock}

본 발명은 자동차 프레임에 관한 것이고, 보다 상세하게는 정면 충돌하였을 때, 충돌에 따른 충격을 흡수하기 위한 충격 흡수용 댐퍼가 장착된 자동차 프레임에 관한 것이다.The present invention relates to an automobile frame, and more particularly to an automobile frame equipped with a shock absorbing damper for absorbing the impact of the collision when the frontal collision.

통상적으로, 자동차의 범퍼는 차량의 주행시 자동차 또는 외부 물체와의 충돌시 그 충격을 어느 정도 흡수하여 차체에 충격량을 감소시켜, 차량 및 운전자 또는 차량 탑승자가 손상 또는 부상을 방지하고자 차량의 전방 및 후방에 통상 설치된다.Typically, the bumper of a vehicle absorbs the impact to some extent when the vehicle collides with the vehicle or an external object to reduce the amount of impact on the vehicle body, thereby preventing the vehicle and the driver or the occupant of the vehicle from being damaged or injured. It is usually installed in.

이러한 자동차의 범퍼는 크게 3부분으로 나누어지며, 범퍼 페이스는 차량의 가장 전방에 위치되어 외부에서 보이는 부분으로, 폴리프로필렌 플라스틱으로 통상 제조된다. 범퍼 페이스의 내측 구조물은 AZDEL(폴리프로필렌 + 강화 섬유)로 이루어진 범퍼 보강물(리인포스먼트)이며, 범퍼 페이스와 범퍼 보강물 사이에는 에너지 업소버 포옴(form)이 위치된다. 범퍼 페이스는 플라스틱 체결구로 고정되며, 범퍼 보강물은 나사부를 가지는 스테이에 체결되는 너트로 차체에 고정된다. 범퍼 페이스와 범퍼 보강물은 통상 에너지 업소버 포옴을 그 사이에 두고 브라켓을 통하여 나사 수단에 의해 서로 결합되고, 이러한 범퍼는 범퍼 보강물을 자동차의 하부 프레임에 연결된 범퍼 스테이에 볼트를 이용하여 고정함으로써 자동차에 장착된다.The bumper of such a vehicle is largely divided into three parts, and the bumper face is located at the front of the vehicle and is visible from the outside, and is usually made of polypropylene plastic. The inner structure of the bumper face is a bumper reinforcement (reinforcement) made of AZDEL (polypropylene + reinforcing fiber), and an energy absorber form is located between the bumper face and the bumper reinforcement. The bumper face is fixed with plastic fasteners, and the bumper reinforcement is fixed to the vehicle body with a nut fastened to the stay with the threaded portion. The bumper face and the bumper reinforcement are usually joined together by screw means via brackets with an energy absorber foam in between, and these bumpers are secured by bolting the bumper reinforcement to the bumper stays connected to the underframe of the car. Is mounted on.

도 1은 종래의 프레임 형태의 자동차의 범퍼의 장착 구조를 개략적으로 도시한 단면도이며, 도 2는 본 발명에 따른 충격 흡수용 댐퍼가 장착된 자동차 프레임의 구조를 개략적으로 도시한 도면이다.1 is a cross-sectional view schematically illustrating a mounting structure of a bumper of a conventional vehicle in the form of a frame, and FIG. 2 is a view schematically illustrating a structure of a vehicle frame equipped with a shock absorber damper according to the present invention.

도 1에 도시된 바와 같이, 종래의 자동차 프레임(100)에는 차체에 설치될 때 사용되는 브라켓(101)이 제공되며, 브라켓(101)의 반대편에는 사이드 부재(102)가 제공는 한편, 프레임(100)의 전방에는 팽창기 브라켓(103)이 제공된다. 범퍼(105)는다수의 스크루 또는 용접에 의하여 범퍼 보강물(104)이 차체 장착 브라켓(101)에 설치되는 것에 의하여 차체에 장착되며, 이 때, 팽창기 브라켓(103)은 도 2에 도시된 바와 같이 범퍼 보강물(104)로 향하게 된다.As shown in FIG. 1, a conventional vehicle frame 100 is provided with a bracket 101 used when installed in a vehicle body, and a side member 102 is provided on the opposite side of the bracket 101, while the frame 100 is provided. In front of is provided an inflator bracket 103. The bumper 105 is mounted to the vehicle body by mounting the bumper reinforcement 104 to the vehicle body mounting bracket 101 by a number of screws or welding, wherein the inflator bracket 103 is shown in FIG. Likewise directed to bumper reinforcement 104.

그러나, 상기된 바와 같은 구조를 가지는 차체 프레임은 차체 장착 브라켓에 범퍼가 설치되므로, 범퍼의 하중에 의하여 약한 추돌시에도 차체 장착 브라켓에 비틀림과 같은 변형이 발생되는 한편, 팽창기 브라켓과 범퍼 보강물 사이에 폭 방향을 따라서 간격이 유지됨으로써, 2차 충격이 차량 탑승자, 특히 운전자에게 전달되어 운전자의 상해를 가중시킬 수 있다는 문제점이 있었다.However, since the body frame having the structure as described above is provided with a bumper on the vehicle body mounting bracket, even if a weak collision due to the load of the bumper, deformation such as torsion occurs in the body mounting bracket, while between the inflator bracket and the bumper reinforcement As the interval is maintained along the width direction, the secondary shock is transmitted to the vehicle occupant, in particular the driver, which may increase the driver's injury.

따라서, 본 발명의 목적은 자동차의 정면 추돌시에 차체로 전달되는 충격을 흡수하여 자동차 탑승자의 상해를 방지하는 한편, 차체 장착 브라켓의 비틀림과 같은 변형을 방지할 수 있는 자동차의 프레임을 제공하는데 있다.Accordingly, an object of the present invention is to provide a frame of a vehicle that can absorb a shock transmitted to the vehicle body at the time of the frontal collision of the vehicle to prevent injury to the occupant of the vehicle and to prevent deformation such as torsion of the vehicle body mounting bracket. .

도 1은 종래의 프레임 형태의 자동차의 범퍼의 장착 구조를 개략적으로 도시한 단면도.1 is a cross-sectional view schematically showing a mounting structure of a bumper of a conventional vehicle in the form of a frame.

도 2는 본 발명에 따른 충격 흡수용 댐퍼가 장착된 자동차 프레임의 구조를 개략적으로 도시한 도면.Figure 2 schematically shows the structure of a vehicle frame is equipped with a shock absorber damper according to the present invention.

도 3은 본 발명에 따른 충격 흡수용 댐퍼가 장착된 자동차 프레임의 구조를 개략적으로 도시한 도면.Figure 3 schematically shows the structure of a vehicle frame is equipped with a shock absorber damper according to the present invention.

도 4는 도 3에 도시된 본 발명에 따른 충격 흡수용 댐퍼가 장착된 자동차 프레임에 댐퍼가 장착된 상태를 개략적으로 도시한 단면도.Figure 4 is a schematic cross-sectional view showing a state in which the damper is mounted on the vehicle frame equipped with a shock absorber damper according to the present invention shown in FIG.

(도면의 주요 부분에 대한 부호의 설명)(Explanation of symbols for the main parts of the drawing)

1 : 프레임 2 : 전방 브라켓1: frame 2: front bracket

3 : 댐퍼 4 : 범퍼 조립체3: damper 4: bumper assembly

5 : 범퍼 브라켓 6 : 댐퍼 장착 브라켓5: bumper bracket 6: damper mounting bracket

7 : 스위치7: switch

상기된 바와 같은 목적은, 자동차의 전방에 위치되어, 자동차의 충돌시 차체로 전달되는 충격량을 흡수하기 위한 범퍼 조립체가 설치되는 자동차의 프레임에 있어서, 자동차의 충돌시에 차체로 전달되는 충격을 흡수하기 위하여, 범퍼 조립체의 범퍼 보강물이 설치되는 범퍼 브라켓과 프레임에 설치되는 하나 이상의 댐퍼를 포함하는 것을 특징으로 하는 본 발명에 따른 자동차의 프레임에 의하여 달성될 수 있다.An object as described above is in a frame of a vehicle, which is located in front of a vehicle and is provided with a bumper assembly for absorbing the amount of impact delivered to the vehicle body in the event of a collision of the vehicle, the impact transmitted to the vehicle body in the event of a collision To this end, it can be achieved by a frame of a vehicle according to the invention, characterized in that it comprises a bumper bracket on which the bumper reinforcement of the bumper assembly is installed and at least one damper installed on the frame.

상기에서, 상기 범퍼 보강물이 설치되는 범퍼 브라켓의 측면에 에어백 작동용 스위치가 설치될 수도 있다.In the above, an airbag operation switch may be installed on the side of the bumper bracket on which the bumper reinforcement is installed.

이하, 본 발명의 바람직한 실시예를 명세서에 첨부된 도면을 참조하여 보다 상세하게 설명한다.Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

도 3은 본 발명에 따른 충격 흡수용 댐퍼가 장착된 자동차 프레임의 구조를 개략적으로 도시한 도면이고, 도 4는 도 3에 도시된 본 발명에 따른 충격 흡수용 댐퍼가 장착된 자동차 프레임에 댐퍼가 장착된 상태를 개략적으로 도시한 단면도이다.3 is a view schematically showing the structure of a vehicle frame equipped with a shock absorber damper according to the present invention, Figure 4 is a damper in the vehicle frame equipped with a shock absorber damper according to the present invention shown in FIG. It is sectional drawing which shows schematically a mounted state.

도 3 및 도 4에 도시된 바와 같이, 본 발명에 따른 자동차의 프레임(1)은 자동차의 충돌시 차체로 전달되는 충격량을 흡수하기 위한 범퍼 조립체(4)가 설치되며, 범퍼 조립체(4)와 프레임(1) 사이에 본 발명에 따라서 하나 이상, 바람직하게 좌우 한 쌍의 댐퍼(3)가 제공된다.As shown in Figures 3 and 4, the frame 1 of the vehicle according to the invention is provided with a bumper assembly (4) for absorbing the amount of impact transmitted to the vehicle body in the event of a collision, the bumper assembly (4) and Between the frames 1 one or more, preferably left and right pairs of dampers 3 are provided according to the invention.

댐퍼(3)는 자동차의 충돌시에 차체로 전달되는 충격을 흡수하기 위하여, 범퍼 조립체의 범퍼 보강물이 설치되는 범퍼 브라켓(5)과 프레임(1)에서 충격 또는 하중에 의하여 도 3에 도시된 바와 같이 차체의 길이 방향으로 수축되도록 설치된다. 댐퍼(3)는 볼트의 체결에 의하여 각각 범퍼 조립체(4) 및 프레임(1)의 전방 브라켓(2)에 설치되는 범퍼 브라켓(5)과 댐퍼 장착 브라켓(6)이 전방 및 후방에 제공된다.The damper 3 is shown in FIG. 3 by the impact or load on the bumper bracket 5 and the frame 1 in which the bumper reinforcement of the bumper assembly is installed to absorb the shock transmitted to the vehicle body in the event of a collision of the vehicle. As shown in the drawing, it is installed to contract in the longitudinal direction of the vehicle body. The damper 3 is provided with a bumper bracket 5 and a damper mounting bracket 6 installed at the front bracket 2 of the bumper assembly 4 and the frame 1, respectively, by the fastening of the bolts, respectively.

한편, 범퍼 보강물이 설치되는 범퍼 브라켓(5)의 측면에는 에어백 작동용 스위치가 설치될 수 있으며, 이 스위치(7)는 자동차가 충돌되었을 때, 댐퍼(3)의 압력이 최고점에 달하였을 때, 에어백을 작동시키도록 작동된다.On the other hand, the airbag operation switch may be installed on the side of the bumper bracket 5 in which the bumper reinforcement is installed, and the switch 7 may be used when the pressure of the damper 3 reaches its maximum when the vehicle is collided. It is activated to operate the airbag.

또한, 댐퍼(3)의 압력은 자동차의 중량을 고려하여 설정되는 것에 의하여, 자동차가 충돌되었을 때, 충돌에 따른 충격을 적절하게 흡수하여, 차량 탑승자의 상해를 방지한다.In addition, since the pressure of the damper 3 is set in consideration of the weight of the vehicle, when the vehicle collides, the shock caused by the collision is appropriately absorbed to prevent injury to the vehicle occupant.

상기된 바와 같이, 본 발명에 따른 자동차의 프레임에 의하면, 자동차의 충돌시 충격 흡수 능력이 향상되어 충격에 의한 차량 탑승자의 상해를 방지할 수 있으며, 범퍼 브라켓이 별도로 제공되므로, 자동차의 정비성이 또한 향상될 수 있을 뿐만 아니라, 운전자의 상해에 대한 가중을 방지할 수 있다.As described above, according to the frame of the vehicle according to the present invention, the shock absorbing ability can be improved during the collision of the vehicle to prevent injury of the occupant of the vehicle due to the impact, and because the bumper bracket is provided separately, maintainability of the vehicle Not only can it be improved, but it can also prevent the weight of the driver's injury.

Claims (2)

자동차의 전방에 위치되어, 자동차의 충돌시 차체로 전달되는 충격량을 흡수하기 위한 범퍼 조립체가 설치되는 자동차의 프레임에 있어서,A frame of a vehicle, which is located in front of a vehicle and is provided with a bumper assembly for absorbing an amount of impact transmitted to the vehicle body in the event of a collision of the vehicle, 자동차의 충돌시에 차체로 전달되는 충격을 흡수하기 위하여, 범퍼 조립체의 범퍼 보강물이 설치되는 범퍼 브라켓과 프레임에 설치되는 하나 이상의 댐퍼를 포함하는 것을 특징으로 하는 자동차의 프레임.And a bumper bracket on which the bumper reinforcement of the bumper assembly is installed and one or more dampers installed on the frame to absorb shocks transmitted to the vehicle body in the event of a collision of the vehicle. 제 1 항에 있어서, 상기 범퍼 보강물이 설치되는 범퍼 브라켓의 측면에 에어백 작동용 스위치가 설치되는 것을 특징으로 자동차 프레임.The vehicle frame according to claim 1, wherein an airbag operation switch is installed on a side of the bumper bracket on which the bumper reinforcement is installed.
KR1019990049993A 1999-11-11 1999-11-11 An automobile frame having a damper for absorbing shock KR20010046286A (en)

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