KR100483794B1 - Bumper mounting means for automobile - Google Patents

Bumper mounting means for automobile Download PDF

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Publication number
KR100483794B1
KR100483794B1 KR10-2002-0071895A KR20020071895A KR100483794B1 KR 100483794 B1 KR100483794 B1 KR 100483794B1 KR 20020071895 A KR20020071895 A KR 20020071895A KR 100483794 B1 KR100483794 B1 KR 100483794B1
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KR
South Korea
Prior art keywords
back beam
guide
bracket
protrusion
coupling structure
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KR10-2002-0071895A
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Korean (ko)
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KR20040043572A (en
Inventor
김주수
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현대자동차주식회사
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Priority to KR10-2002-0071895A priority Critical patent/KR100483794B1/en
Publication of KR20040043572A publication Critical patent/KR20040043572A/en
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Publication of KR100483794B1 publication Critical patent/KR100483794B1/en

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    • 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
    • B60R19/18—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
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
    • B62D21/152—Front or rear frames
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vibration Dampers (AREA)

Abstract

본 발명은 자동차용 범퍼 결합구조에 관한 것이며, 상세하게는 백 빔을 사이드 멤버에 결합하는 구조에 관한 것으로서, 중량을 감소함과 동시에 원가를 절감하고, 옵셋 충돌시 그 반대편의 이탈을 방지하며, 안전사고 위험을 제거하고, 작업공수를 절감하며, 충돌 에너지 흡수량을 증대한 것이다.The present invention relates to a bumper coupling structure for automobiles, and more particularly, to a structure that couples the back beam to the side member, while reducing the weight and at the same time to reduce the cost, and prevent the deviation of the opposite side in the event of offset collision, It eliminates the risk of safety accidents, saves labor and increases the amount of collision energy.

본 발명에서, 1은 백 빔으로서, 상기 백 빔(1)은 단면 ㄷ형으로 형성하여 상·하에 걸림홈(10)(10')을 일체로 형성하고, 내면 중앙에 봉상의 가이드 돌기(11)를 형성한 것이다.In the present invention, 1 is a back beam, the back beam (1) is formed in the cross-section c-shaped to form a locking groove (10, 10 ') integrally in the upper and lower, and the rod-shaped guide projection (11) in the center of the inner surface It is formed.

7은 브라켓으로서, 상기 브라켓(7)은 상기 백 빔(1)과 대칭 단면으로 형성하여 양 사이드 멤버(6)의 전단에 용접 결합함과 동시에 상·하에 상기 걸림홈(10)(10')에 삽입되는 걸림돌기(12)(12')를 일체로 형성하고, 중앙에는 상기 봉상의 가이드 돌기(11)가 삽입되는 가이드 공(13)을 형성한 것이다.7 is a bracket, and the bracket 7 is formed in a symmetrical cross section with the back beam 1 to be welded to the front ends of both side members 6 and at the same time the locking grooves 10 and 10 '. The engaging projections 12 and 12 'inserted into the body are integrally formed, and the guide hole 13 into which the rod-shaped guide protrusions 11 are inserted is formed at the center thereof.

Description

자동차용 범퍼 결합구조 {BUMPER MOUNTING MEANS FOR AUTOMOBILE}Bumper coupling structure for automobile {BUMPER MOUNTING MEANS FOR AUTOMOBILE}

본 발명은 자동차용 범퍼 결합구조에 관한 것이며, 상세하게는 백 빔을 사이드 멤버에 결합하는 구조에 관한 것이다.The present invention relates to a bumper coupling structure for automobiles, and more particularly, to a structure for coupling the back beam to the side member.

주지하는 바와 같이 자동차용 범퍼는 범퍼 커버와 백 빔 사이에 에너지 압소버를 배치하거나 배치하지 않고, 상기 백 빔을 사이드 멤버에 결합하는 것인바, 종래의 백 빔을 사이드 멤버에 결합하는 구조는 도 2에 도시한 바와 같이 단면 ㄷ형 백 빔(1)의 양측에 내측에 너트(3)가 용접된 스테이(2)를 백 빔(1) 및 스테이(2)의 상·하에 플랜지(4)(5)를 형성하여 용접 결합하고, 사이드 멤버(6)의 전단에 볼트 체결공을 형성한 브라켓(7)을 용접 결합한 후 브라켓(7)과 스테이(2)를 볼트(8)로 체결 결합한 것이다.As is well known, a bumper for a vehicle couples the back beam to a side member, with or without an energy absorber disposed between the bumper cover and the back beam. As shown in Fig. 2, the stay 2, in which the nut 3 is welded on both sides of the cross-section c-shaped back beam 1, is mounted on the flange 4 and the top and bottom of the back beam 1 and the stay 2, respectively. ) Is welded to form a joint, the bracket (7) formed by bolt fastening holes in the front end of the side member (6) and then the bracket 7 and the stay (2) is fastened by the bolt (8).

또한 상기와 같이 스테이(2)를 브라켓(7)에 볼트(8)로 고정할 때 그 정위치를 안내하기 위하여 스테이(2)의 후방에 가이드 핀(9)을 설치하여 브라켓(7)에 형성한 가이드 공(9')에 삽입한 것이다.In addition, as described above, when the stay 2 is fixed to the bracket 7 with the bolt 8, a guide pin 9 is installed at the rear of the stay 2 so as to guide the correct position thereof and formed on the bracket 7. It is inserted into one guide ball 9 '.

그러나 상기한 백 빔 결합구조는 스테이(2), 볼트(8), 너트(3)가 소요됨으로 중량이 증가하고 원가가 상승됨과 동시에 고정시간이 많이 소요되고, 백 빔(1)과 스테이(2)를 플랜지(4)(5)에 의하여 용접 결합함으로 백 빔(1)의 단면적이 감소되어 충돌에너지 흡수 영역이 작아지며, 또한 백 빔(1)과 사이드 멤버(6) 사이에 스테이(2)가 위치됨으로써 사이드 멤버(6)의 충돌 에너지 흡수 영역이 감소되기 때문에 충돌 에너지 흡수가 취약한 문제점이 발생하는 것이다.However, the back beam coupling structure requires a stay (2), a bolt (8), a nut (3) to increase the weight, increase the cost and at the same time take a lot of fixed time, the back beam (1) and the stay (2) ) Is welded by flanges (4) (5) to reduce the cross-sectional area of the back beam (1), thereby reducing the collision energy absorption area, and also the stay (2) between the back beam (1) and the side member (6). Since the collision energy absorbing region of the side member 6 is reduced by the position of, the problem that the collision energy absorption is weak occurs.

본 발명의 출원인은 상기한 문제점을 시정하기 위하여, 스테이를 삭제하고 단면 ㄷ형 백 빔과 사이드 멤버의 전단에 용접 결합되고 상기 백 빔과 대칭단면으로 된 브라켓의 상·하에 각각 걸림홈과 걸림돌기를 형성하여 걸림홈을 걸림돌기에 삽입하여 상호 결합하고, 백 빔의 상·하에 가이드 핀을 설치하여 브라켓의 사이드 멤버 외측 상·하에 형성한 가이드 공에 삽입한 백 빔 결합구조를 2001년 특허출원 제 35202 호로 제안한 바 있다.Applicants of the present invention, in order to correct the above problems, to remove the stay and welded to the front end of the cross-section c-shaped back beam and the side member and to form the locking groove and the locking projections respectively on the top and bottom of the bracket having a symmetrical cross section with the back beam The back beam coupling structure inserted into the guide groove formed on the upper and lower sides of the side member of the bracket by inserting the locking grooves into the locking projections and mutually coupling the guide pins. I have suggested.

그러나 상기한 선출원은 종래의 백 빔 결합구조의 대부분의 문제점은 시정되었으나, 옵셋(offset) 충돌시 옵셋 충돌 반대편의 결합이 쉽게 이탈되어 충돌 에너지 흡수가 취약하고, 가이드 핀은 선단이 예리하여 작업자의 안전사고 발생위험이 높으며, 또한 백 빔의 상·하에 설치한 가이드 핀을 브라켓에 형성한 가이드 공에 삽입할 때 시간이 많이 걸리고 힘이 많이 드는 문제점을 발견하였다.However, the above-mentioned application has corrected most of the problems of the conventional back beam coupling structure. However, in the case of an offset collision, the coupling of the opposite side of the offset collision is easily separated, so that the collision energy absorption is weak, and the guide pin is sharp at the tip of the operator. It was found that the risk of safety accidents was high, and that the insertion of the guide pins installed at the top and bottom of the back beam into the guide balls formed in the bracket was time-consuming and difficult.

본 발명은 중량을 감소함과 동시에 원가를 절감하고, 옵셋 충돌시 그 반대편의 이탈을 방지하며, 안전사고 위험을 제거하고, 작업공수를 절감한 자동차용 범퍼 결합구조를 제공하는 것을 목적으로 한다.An object of the present invention is to provide a bumper coupling structure for automobiles that reduces the weight and at the same time reduces the cost, prevents the deviation of the other side in the event of offset collision, eliminates the risk of safety accidents, and saves labor.

본 발명의 다른 목적은 충돌 에너지 흡수량을 증대한 자동차용 범퍼 결합구조를 제공하는 것이다.Another object of the present invention is to provide a bumper coupling structure for automobiles having an increased collision energy absorption amount.

상기한 목적을 달성하기 위하여, 본 발명은 단면 ㄷ형으로 형성하여 상·하에 걸림홈을 형성하고 내면 중앙에 봉상의 가이드 돌기를 형성한 백 빔과; 양 사이드 멤버의 전단에 결합하여 상·하에 상기 걸림홈에 삽입되는 걸림돌기를 형성하고 중앙에 상기 가이드 돌기가 삽입되는 가이드 공을 형성한 브라켓으로 구성한 것이다.In order to achieve the above object, the present invention comprises a back beam formed in the cross-section c-shaped to form a locking groove in the upper and lower, and formed a bar-shaped guide projection in the center of the inner surface; Coupled to the front end of the side member to form a locking projection to be inserted into the locking groove in the upper and lower, and consists of a bracket formed a guide ball into the guide projection is inserted in the center.

도 1은 본 발명의 실시예의 종단면도로서, 1은 백 빔으로서, 상기 백 빔(1)은 단면 ㄷ형으로 형성하여 상·하에 걸림홈(10)(10')을 일체로 형성하고, 내면 중앙에 봉상의 가이드 돌기(11)를 형성한 것이다.1 is a longitudinal cross-sectional view of an embodiment of the present invention, where 1 is a back beam, and the back beam 1 is formed in a cross-sectional c-shape to integrally form the locking grooves 10 and 10 'at the top and the bottom of the inner surface. The bar-shaped guide protrusion 11 is formed in this.

7은 브라켓으로서, 상기 브라켓(7)은 상기 백 빔(1)과 대칭 단면으로 형성하여 양 사이드 멤버(6)의 전단에 용접 결합함과 동시에 상·하에 상기 걸림홈(10)(10')에 삽입되는 걸림돌기(12)(12')를 일체로 형성하고, 중앙에는 상기 봉상의 가이드 돌기(11)가 삽입되는 가이드 공(13)을 형성한 것이다.7 is a bracket, and the bracket 7 is formed in a symmetrical cross section with the back beam 1 to be welded to the front ends of both side members 6 and at the same time the locking grooves 10 and 10 '. The engaging projections 12 and 12 'inserted into the body are integrally formed, and the guide hole 13 into which the rod-shaped guide protrusions 11 are inserted is formed at the center thereof.

그리고 상기 가이드 돌기(11)는 테이퍼형으로 형성하고, 상기 백 빔(1)의 가이드 돌기(11)의 결합부위에 요부(100)를 형성하며, 또한 브라켓(7)의 가이드 공(13) 주위에는 백 빔측으로 돌출되는 돌기(101)를 형성함과 동시에 그 선단의 단면적은 상기 요부(100)의 입구 단면적과 동일하거나 약간 크게 형성한 것이다.The guide protrusion 11 is formed in a tapered shape, and the recessed portion 100 is formed at the engaging portion of the guide protrusion 11 of the back beam 1, and also around the guide hole 13 of the bracket 7. At the same time, while forming a projection 101 protruding toward the back beam side, the cross-sectional area of the tip is the same as or slightly larger than the inlet cross-sectional area of the recess 100.

이상과 같은 본 발명은 사이드 멤버(6)의 선단에 용접 결합된 브라켓(7)의 가이드 공(13)에 백 빔(1)에 형성한 봉상의 가이드 돌기(11)를 백 빔(1)을 밀어서 삽입하면서 백 빔(1)의 상·하에 형성한 걸림홈(10)(10')을 브라켓(7)의 상·하에 형성한 걸림돌기(12)(12')에 삽입하면 백 빔(1)의 결합이 완료되는 것이다.According to the present invention as described above, the rod-shaped guide protrusion 11 formed in the back beam 1 in the guide hole 13 of the bracket 7 welded to the tip of the side member 6 is connected to the back beam 1. When the locking grooves 10 and 10 'formed at the top and the bottom of the back beam 1 are inserted into the locking projections 12 and 12' formed at the top and the bottom of the bracket 7, while being pushed and inserted, the back beam 1 ) Is completed.

본 발명은 가이드 돌기(11)가 가이드 공(13)에 깊숙이 삽입되어 있음으로 옵셋 충돌시에도 옵셋 충돌 반대편의 이탈이 방지되고, 결합이 신속하고 간편하여 작업공수를 대폭절감할 수 있으며, 또한 가이드 돌기(11)는 봉상으로 형성되어 있음으로 안전사고의 위험이 제거되는 것이다.In the present invention, since the guide protrusion 11 is inserted deeply into the guide ball 13, the deviation of the opposite side of the offset collision is prevented even during the offset collision, and the coupling is quick and simple, thereby greatly reducing the labor of the work, and also the guide. Protrusion 11 is formed in the shape of a rod is to eliminate the risk of safety accidents.

그리고 가이드 돌기(11)는 테이퍼형으로 형성하여 가이드 공(13)에 삽입되어 있고 가이드 공(13)의 주위에는 백 빔(1)측으로 돌출되는 돌기(101)를 형성하였음으로 충돌시 백 빔(1)이 밀릴 때 가이드 돌기(11)는 가이드 공(13)에서 큰 마찰력을 발생하면서 가이드 공(13)의 직경을 확대함과 동시에 돌기(101)가 변형하고, 또한 백 빔(1)의 가이드 돌기(11) 주위에 형성한 요부(100)가 돌기(101)에 접촉될 때에도 요부(100)의 주위가 돌기(101)의 선단에 접촉되면서 요부(100)의 주위와 돌기(101)가 함께 변형되면서 충돌 에너지를 흡수함으로써 충돌 에너지의 흡수량이 증대되는 것이다.In addition, the guide protrusion 11 is formed in a tapered shape and inserted into the guide ball 13, and a protrusion 101 protruding toward the back beam 1 is formed around the guide ball 13 so that the back beam at the time of collision ( When 1) is pushed, the guide protrusion 11 enlarges the diameter of the guide ball 13 while generating a large friction force in the guide ball 13, and at the same time, the protrusion 101 deforms, and also the guide of the back beam 1 Even when the recess 100 formed around the protrusion 11 contacts the protrusion 101, the periphery of the recess 100 contacts the tip of the protrusion 101 while the periphery of the recess 100 and the protrusion 101 are together. By deforming and absorbing the collision energy, the absorption amount of the collision energy is increased.

이상과 같이 본 발명은 중량을 감소하고 원가를 절감하며, 결합이 간편하여 작업공수를 절감할 수 있고, 옵셋 충돌시에도 옵셋 충돌 반대편의 이탈이 방지될 뿐아니라 안전사고의 위험이 제거되는 것이다.As described above, the present invention can reduce the weight, reduce the cost, and reduce the labor of labor due to the easy coupling, and the risk of safety accident is eliminated as well as the departure of the opposite side of the offset collision is prevented even during the offset collision.

또한 충돌 에너지 흡수량도 증대되어 차량 대 차량의 충돌시 탑승자의 안전성을 증진할 수 있는 것이다.In addition, the amount of collision energy absorption is increased to increase the safety of the occupant in the collision of the vehicle to the vehicle.

도 1은 본 발명의 실시예의 종단면도.1 is a longitudinal sectional view of an embodiment of the present invention.

도 2는 종래의 것의 종단면도.2 is a longitudinal sectional view of a conventional one.

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

1 : 백 빔 7 : 브라켓 10, 10' : 걸림홈1: Back beam 7: Bracket 10, 10 ': Hanging groove

11 : 가이드 돌기 12, 12' : 걸림돌기 13 : 가이드 공11: Guide protrusion 12, 12 ': Obstruction protrusion 13: Guide ball

Claims (4)

단면 ㄷ형으로 형성하여 상·하에 걸림홈을 형성하고, 내면 중앙에 봉상의 가이드 돌기를 형성한 백 빔과; 양 사이드 멤버의 전단에 결합하여 상·하에 상기 걸림홈에 삽입되는 걸림돌기를 형성하고, 중앙에 상기 가이드 돌기가 삽입되는 가이드 공을 형성한 브라켓으로 구성한 자동차용 범퍼 결합구조.A back beam formed in a cross-section c-shape to form a locking groove in the upper and lower sides, and a rod-shaped guide protrusion formed at the center of the inner surface thereof; A bumper coupling structure for automobiles comprising a bracket formed by engaging a front end of both side members, the locking protrusion being inserted into the locking groove at the top and bottom, and forming a guide ball into which the guide protrusion is inserted. 제 1 항에 있어서, 가이드 돌기는 테이퍼형으로 형성한 자동차용 범퍼 결합구조.The bumper coupling structure for an automobile according to claim 1, wherein the guide protrusion is formed in a tapered shape. 제 1 항에 있어서, 가이드 공 주위에 백 빔측으로 돌출되는 돌기를 형성한 자동차용 범퍼 결합구조.2. The bumper coupling structure for an automobile according to claim 1, wherein a protrusion is formed around the guide ball to protrude toward the back beam side. 제 1 항에 있어서, 백 빔의 가이드 돌기 결합부위에 요부를 형성한 자동차용 범퍼 결합구조.The bumper coupling structure for an automobile according to claim 1, wherein a recess is formed on the guide protrusion coupling portion of the back beam.
KR10-2002-0071895A 2002-11-19 2002-11-19 Bumper mounting means for automobile KR100483794B1 (en)

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KR101350628B1 (en) * 2008-03-27 2014-01-10 현대자동차주식회사 Apparatus for Anti-Projection of Upper Area in Automobile Bumper

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03125649A (en) * 1989-10-11 1991-05-29 Daikyo Inc Plastic bumper reinforcement
KR19980021176U (en) * 1996-10-18 1998-07-15 박병재 Bumper Back Beam Mounting Structure of Automobile
JPH10278706A (en) * 1997-04-10 1998-10-20 Toyota Motor Corp Bumper reinforcement fitting structure
KR100440856B1 (en) * 2001-06-20 2004-07-19 현대자동차주식회사 Bumper for vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03125649A (en) * 1989-10-11 1991-05-29 Daikyo Inc Plastic bumper reinforcement
KR19980021176U (en) * 1996-10-18 1998-07-15 박병재 Bumper Back Beam Mounting Structure of Automobile
JPH10278706A (en) * 1997-04-10 1998-10-20 Toyota Motor Corp Bumper reinforcement fitting structure
KR100440856B1 (en) * 2001-06-20 2004-07-19 현대자동차주식회사 Bumper for vehicle

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