KR100371234B1 - Bumper for vehicle - Google Patents

Bumper for vehicle Download PDF

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Publication number
KR100371234B1
KR100371234B1 KR10-2000-0048754A KR20000048754A KR100371234B1 KR 100371234 B1 KR100371234 B1 KR 100371234B1 KR 20000048754 A KR20000048754 A KR 20000048754A KR 100371234 B1 KR100371234 B1 KR 100371234B1
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KR
South Korea
Prior art keywords
bumper
bumper cover
frame
space
present
Prior art date
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KR10-2000-0048754A
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Korean (ko)
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KR20020015598A (en
Inventor
이헌효
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현대자동차주식회사
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Priority to KR10-2000-0048754A priority Critical patent/KR100371234B1/en
Publication of KR20020015598A publication Critical patent/KR20020015598A/en
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Publication of KR100371234B1 publication Critical patent/KR100371234B1/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
    • B60R19/24—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
    • 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
    • B60R19/03—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by material, e.g. composite
    • 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
    • B60R2019/1886—Bumper fascias and fastening means therefor

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

Abstract

본 발명은 자동차의 범퍼에 관한 것으로서, 특히 충돌시의 충격 흡수를 안정되게 수행할 수 있을 뿐만 아니라 부품수 감소에 따른 단가절감과 작업성의 향상 그리고 전체 하중의 감소를 꾀할 수 있도록 한 것이다.The present invention relates to a bumper of an automobile, and in particular, it is possible not only to stably absorb shock during a collision, but also to reduce cost, increase workability, and reduce overall load due to a reduction in the number of parts.

본 발명은, 바디(7)의 전면에 공간부(H)가 형성되도록 고정 설치되는 범퍼 커버(10)와; 바디(7)와 범퍼 커버(10) 사이의 공간부(H)상에 위치되며, 상,하 방향을 따라 교호적으로 복수의 변형 공간부(h)를 형성하는 완충 프레임(20);으로 구성된다.The present invention, the bumper cover 10 is fixed to be installed so that the space (H) is formed on the front of the body (7); A buffer frame 20 positioned on the space H between the body 7 and the bumper cover 10 and alternately forming a plurality of deformation spaces h along the up and down directions. do.

Description

자동차의 범퍼 {BUMPER FOR VEHICLE}Bumper of car {BUMPER FOR VEHICLE}

본 발명은 자동차의 범퍼에 관한 것이다.The present invention relates to a bumper of a motor vehicle.

일반적으로 자동차의 범퍼(bumper)는 자동차의 전면과 후면에 마련되어 충돌사고시 충격력을 흡수함으로써 탑승자의 보호를 도모하는 기능을 수행한다.In general, a bumper of a vehicle is provided at the front and rear of the vehicle to absorb the impact force in a crash, thereby protecting the occupant.

도 3에는 이러한 자동차 범퍼의 일반적인 예를 나타내 보였는 바, 이는 차체의 길이 방향으로 설치되며 바디(7)와 결합되는 프레임(2)을 구비한다.3 shows a general example of such an automobile bumper, which has a frame 2 installed in the longitudinal direction of the vehicle body and engaged with the body 7.

그리고 이 프레임(1)의 단부와 전체 범퍼(1)를 결합 시키기 위한 범퍼 스테이(3)와, 범퍼 스테이(3)와 결합되는 범퍼 레일(4) 그리고 범퍼 레일(4)을 커버링하는 범퍼 커버(5)를 구비한다.And a bumper stay (3) for joining the end of the frame (1) and the entire bumper (1), a bumper rail (4) coupled to the bumper stay (3) and a bumper cover for covering the bumper rail (4) 5).

이때 범퍼 커버(5)와 범퍼 레일(4) 사이에는 충돌시 충격을 흡수하는 업소버 (6)가 개재된다.At this time, between the bumper cover 5 and the bumper rail 4 is an absorber (6) for absorbing the shock during the collision.

이러한 구성을 갖는 범퍼(1)는 충돌시 범퍼 커버(5)의 소성 변형과 업소버 (6)를 통해 충격을 흡수하고, 동시에 범퍼 레일(4)과 범퍼 스테이(3)를 거쳐 프레임(2)상으로 충격을 분산 시킴으로써 탑승자의 안전을 도모하고 있다.The bumper 1 having such a structure absorbs the impact through the plastic deformation of the bumper cover 5 and the absorber 6 during collision, and at the same time passes on the frame 2 via the bumper rail 4 and the bumper stay 3. By distributing the impact, the passenger's safety is promoted.

그러나 이러한 종래 범퍼에 있어서는, 범퍼 커버(5)와 범퍼 레일(4) 그리고 압소버(6) 등을 구비하여야 함으로써 부품수 증가에 따른 단가상승을 초래하는 문제점과 전체 하중의 증가를 초래하는 문제점을 내재하고 있다.However, in such a conventional bumper, the bumper cover 5, the bumper rail 4, the absorber 6 and the like should be provided, resulting in a problem of an increase in the unit cost due to an increase in the number of parts and an increase in the total load. Inherent.

본 발명은 이와같은 종래의 문제점을 해결하기 위하여 창출된 것으로서, 충돌시의 충격 흡수를 안정되게 수행할 수 있을 뿐만 아니라 부품수 감소에 따른 원가절감과 작업성의 향상 그리고 전체 하중의 감소를 꾀할 수 있는 자동차의 범퍼를 제공함에 그 목적이 있다.The present invention was created to solve such a conventional problem, it is possible not only to stably absorb the impact in the event of collision, but also to reduce the cost and workability and reduce the overall load due to the reduction of the number of parts. The purpose is to provide a bumper for a car.

상기한 목적을 달성하기 위하여 본 발명은, 바디의 전면에 공간부가 형성되도록 고정 설치되는 범퍼 커버와; 상기 바디와 범퍼 커버 사이의 공간부상에 위치되고, 상,하 방향을 따라 교호적으로 복수의 변형 공간부를 형성하며, 일측외면은 범퍼 커버의 수직부에 용접 고정하고 타측면은 바디상에 볼트와 너트를 통해 고정 설치되는 완충 프레임;으로 구성한 것을 그 특징으로 한다.In order to achieve the above object, the present invention includes a bumper cover fixedly installed to form a space at the front of the body; Located on the space portion between the body and the bumper cover, and forms a plurality of deformation spaces alternately along the up, down direction, one side outer surface is welded fixed to the vertical portion of the bumper cover and the other side is bolted to the body It is characterized by consisting of; buffer frame that is fixed through the nut.

도 1은 본 발명에 따른 범퍼의 분리 사시도.1 is an exploded perspective view of a bumper according to the present invention.

도 2는 본 발명에 따른 범퍼의 결합 단면도.2 is a cross-sectional view of the bumper according to the present invention.

도 3은 본 발명에 따른 범퍼의 완충 프레임과 바디의 결합 단면도.도 4는 본 발명에 따른 범퍼의 완충 프레임과 바디의 결합 사시도.도 5는 일반적인 범퍼의 단면도.Figure 3 is a cross-sectional view of the buffer frame and the body of the bumper according to the present invention. Figure 4 is a perspective view of the body and the buffer frame of the bumper according to the present invention.

<도면의 주요부분에 대한 부호 설명><Description of Signs of Major Parts of Drawings>

7 : 바디 10 : 범퍼 커버7: body 10: bumper cover

20 : 완충 프레임 21,22 : 홈20: buffer frame 21, 22: groove

23 : 걸림턱 H : 공간부23: hanging jaw H: space part

h : 변형 공간부h: deformation space

도 1은 본 발명에 따른 범퍼의 분리 사시도이고, 도 2는 결합 상태의 단면도로써, 크게 범퍼 커버(bumper cover;10)와 완충 프레임(緩衝frame;20)으로 대별된다.1 is an exploded perspective view of a bumper according to the present invention, and FIG. 2 is a cross-sectional view of a coupled state, and is roughly classified into a bumper cover 10 and a shock absorbing frame 20.

범퍼 커버(10)는 바디(7)의 전면에 위치되어 상호간의 사이에 공간부(H)를 형성하도록 결합되는 것으로서, 충돌시 초기 충격을 흡수하는 기능을 수행한다.The bumper cover 10 is positioned at the front of the body 7 and is coupled to form a space portion H therebetween, and serves to absorb an initial shock during a collision.

완충 프레임(20)은 범퍼 커버(10)와 바디(7) 사이의 공간부(H)에 위치되는 것으로서, 실질적인 충격 흡수 부분이다.The buffer frame 20 is located in the space H between the bumper cover 10 and the body 7 and is a substantial shock absorbing portion.

이러한 완충 프레임(20)은 합성수지로 사출 성형되며, 특히 상,하 방향을 따라 교호적(交互的)으로 복수의 변형 공간부(h)가 지그재그 형태로 형성된다.The buffer frame 20 is injection molded from a synthetic resin, and in particular, a plurality of deformation spaces h are alternately formed in a zigzag form along the up and down directions.

그리고 완충 프레임(20)은 일측 외면은 범퍼 커버(10)의 수직부 내측면에 용접 고정되는 바, 특히 합성수지로 성형된 것이기 때문에 진동용접(vibration molding)을 통해 고정된다.The shock absorbing frame 20 is fixed to one side outer surface of the bumper cover 10 by vibrating molding because it is welded and fixed to the inner surface of the vertical part of the bumper cover 10.

또한 완충 프레임(20)의 타측은 작업성의 측면에서 바디(7)상에 볼트(B)와 너트(N)를 통해 고정 설치된다.In addition, the other side of the buffer frame 20 is fixedly installed on the body 7 through the bolt (B) and the nut (N) in terms of workability.

한편, 이와같이 완충 프레임(20)의 타측면을 바디(7)상에 볼트(B)와 너트(N)를 통해 체결함에 있어서는, 완충 프레임(20)이 지그재그 형태로 형성된 것이기 때문에 볼트(B)를 끼워 삽입하기가 곤란하다.On the other hand, when the other side of the buffer frame 20 is fastened on the body 7 through the bolt B and the nut N, the bolt B is formed in a zigzag form. Difficult to insert

이를 해결하기 위하여, 도 3 및 도 4에 나타내 보인 바와 같이, 완충 프레임(20)상에 볼트(B)의 헤드부와 대략 동일 크기의 홈(21)을 형성하고, 이 홈(21)의 일측으로는 볼트(B)의 나사부와 대략 동일폭의 보조 홈(22)을 형성한다.In order to solve this problem, as shown in FIGS. 3 and 4, grooves 21 having substantially the same size as the head of the bolt B are formed on the buffer frame 20, and one side of the grooves 21 is formed. The auxiliary grooves 22 having the same width as the threaded portions of the bolts B are formed.

즉, 볼트(B)의 헤드부를 홈(21)을 통해 끼워 삽입하고, 도 4에 화살표로 나타내 보인 바와 같이 이동시키게 되면, 볼트(B)가 삽입방향으로 이탈되는 것이 방지되고 이러한 상태에서 너트(N)를 체결하게 되면 견고한 체결작업이 이루어지게 되는 것이다.That is, when the head part of the bolt B is inserted through the groove 21 and moved as shown by the arrow in FIG. 4, the bolt B is prevented from being separated in the insertion direction and the nut ( When N) is fastened, a solid fastening work is performed.

한편, 전술한 볼트(B)의 삽입 과정에서 작업자의 실수에 의해 볼트(B)가 삽입방향으로 이탈될 우려가 야기되는 바, 이를 방지하기 위하여 홈(21)과 인접된 완충 프레임(20)상에 걸림턱(23)이 더 마련된다.On the other hand, there is a risk that the bolt (B) is separated in the insertion direction by the operator's mistake in the insertion process of the above-described bolt (B), in order to prevent this on the buffer frame 20 adjacent to the groove (21) The locking jaw 23 is further provided.

미설명부호(2)는 바디(7)에 결합되는 프레임이다.Reference numeral 2 is a frame that is coupled to the body (7).

이러한 구성을 갖는 본 발명은, 자동차의 주행중 충돌이 발생될 경우, 범퍼 커버(10)의 소성 변형을 통해 충격을 흡수하고, 동시에 범퍼 커버(10)와 바디(7) 사이에 위치된 완충 프레임(20)을 통해 충격을 흡수한다.According to the present invention having such a configuration, when a collision occurs while driving a vehicle, a shock absorbing frame is disposed between the bumper cover 10 and the body 7 at the same time as absorbing the shock through plastic deformation of the bumper cover 10. 20) absorb shocks.

이때 완충 프레임(20)은 상,하 방향을 따라 지그재그 형태로 형성되어 교호적으로 복수의 변형 공간부(h)가 형성되어 있기 때문에 충격력의 분산 및 충격 흡수력이 양호함으로써 탑승자의 안전을 도모할 수 있게된다.At this time, since the shock absorbing frame 20 is formed in a zigzag shape along the up and down directions, and a plurality of deformation spaces h are alternately formed, the impact force distribution and the shock absorbing power are good, thereby ensuring the safety of the occupant. Will be.

이상과 같이 본 발명은, 자동차의 주행중 발생되는 충돌에 의한 충격력을 범퍼 커버와 완충 프레임을 통해 분산 흡수할 수 있게됨으로써 탑승자의 안전을 도모할 수 있을 뿐만 아니라, 별도의 스테이 및 범퍼 레일이 불필요하여 부품수 감소에 따른 원가절감을 도모한 이점이 있다.As described above, the present invention is capable of dispersing and absorbing the impact force caused by the collision generated during driving of the vehicle through the bumper cover and the shock absorbing frame, thereby enhancing the safety of the occupant and eliminating the need for a separate stay and bumper rail. This is an advantage of reducing the cost of parts.

이외에도 완충 프레임이 합성수지로 성형되고 구성이 간단한 것이어서, 전체 하중을 감소시킬 수 있는 이점이 있다.In addition, since the cushioning frame is molded of synthetic resin and has a simple configuration, there is an advantage of reducing the total load.

Claims (3)

바디의 전면에 공간부가 형성되도록 고정 설치되는 범퍼 커버와;A bumper cover fixedly installed to form a space at a front surface of the body; 상기 바디와 범퍼 커버 사이의 공간부상에 위치되고, 상,하 방향을 따라 교호적으로 복수의 변형 공간부를 형성하며, 일측외면은 범퍼 커버의 수직부에 용접 고정하고 타측면은 바디상에 볼트와 너트를 통해 고정 설치되는 완충 프레임;으로 구성한 것을 특징으로 하는 자동차의 범퍼.Located on the space portion between the body and the bumper cover, and forms a plurality of deformation spaces alternately along the up, down direction, one side outer surface is welded fixed to the vertical portion of the bumper cover and the other side is bolted to the body Bumper of the vehicle, characterized in that consisting of; shock absorbing frame fixedly installed through the nut. 삭제delete 제 1 항에 있어서, 상기 완충 프레임은 합성수지로 성형된 것을 특징으로 하는 자동차의 범퍼.The bumper of claim 1, wherein the buffer frame is formed of a synthetic resin.
KR10-2000-0048754A 2000-08-22 2000-08-22 Bumper for vehicle KR100371234B1 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980061146U (en) * 1997-03-21 1998-11-05 임경춘 Shock Absorber Structure for Automobile

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980061146U (en) * 1997-03-21 1998-11-05 임경춘 Shock Absorber Structure for Automobile

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