KR100250279B1 - Reinforcing structure for offset crash of a car - Google Patents

Reinforcing structure for offset crash of a car Download PDF

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Publication number
KR100250279B1
KR100250279B1 KR1019960066505A KR19960066505A KR100250279B1 KR 100250279 B1 KR100250279 B1 KR 100250279B1 KR 1019960066505 A KR1019960066505 A KR 1019960066505A KR 19960066505 A KR19960066505 A KR 19960066505A KR 100250279 B1 KR100250279 B1 KR 100250279B1
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South Korea
Prior art keywords
vehicle
collision
front side
side member
bumper
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KR1019960066505A
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Korean (ko)
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KR19980047978A (en
Inventor
김기창
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정몽규
현대자동차주식회사
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Priority to KR1019960066505A priority Critical patent/KR100250279B1/en
Publication of KR19980047978A publication Critical patent/KR19980047978A/en
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Publication of KR100250279B1 publication Critical patent/KR100250279B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

PURPOSE: An offset collision reinforcing structure of a vehicle absorbs an impact generated on the offset collision of a vehicle. CONSTITUTION: An offset collision reinforcing structure of a vehicle comprises a front side member(1), a bumper stay(20), an impact beam(30) and a reinforcing panel(50). The front side member(1) protects an engine room on the front and the side collisions of the vehicle. The impact beam(30) stands against a front collision. The reinforcing panel(50) is bent to protrude outside to directly receive an impact applied on the collision of a front corner portion. Thus, a corner portion weak to the offset collision is reinforced and a joining strength is elevated to stand against an impact with a larger rigidity.

Description

차량의 오프셋 충돌 보강구조Offset collision reinforcement structure of vehicle

본 발명은 자동차 오프셋(Offset) 충돌에 대한 보강구조에 관한 것으로서, 보다 상세하게는 자동차의 전방 코너부에서 부분적으로 충돌할 때, 그 충돌력을 효과적으로 흡수하여 탑승객의 안전을 도모할 수 있는 차량의 오프셋 충돌 보강구조에 관한 것이다.The present invention relates to a reinforcement structure for a vehicle offset collision, and more particularly, when the vehicle partially collides at the front corner of the vehicle, it can effectively absorb the impact force to enhance the safety of the passenger Offset collision reinforcement structure.

일반적으로 자동차의 충돌 사고시 승객의 안전을 확보하기 위한 테스트로는 전방충돌과 측면충돌이 있으며, 이는 자동차의 안전성을 확보하는 중요한 요소로서, 이미 각 나라에서는 이러한 충돌시의 안전치를 법규화하여 수입규제 등의 항목으로 이용하고 있다.In general, tests to ensure passenger safety in the event of a car crash include front and side collisions, which are important factors to secure car safety. It is used for such items.

특히, 충돌체와 편심되어 차량의 충돌하였을 때, 차량의 폭이 얼마만큼 충돌했는지를 백분율로 나타낸 것을 오프셋 충돌이라고 하며 대형차와의 충돌이나 사고를 회피하면서 오프셋 충돌이 일어난다.In particular, when the vehicle collides with the colliding body and the vehicle collides, the offset collision is expressed as a percentage indicating how much the width of the vehicle collides. Offset collision occurs while avoiding collision or accident with a large vehicle.

차량은 차체와 섀시로 구성되며, 이 차체는 차체의 골격을 형성하는 차체 프레임과 이 차체 프레임에 결합되어 골격을 형성하는 패널들로 이루어진다.The vehicle is composed of a vehicle body and a chassis, and the vehicle body is composed of a body frame forming a skeleton of the vehicle body and panels coupled to the body frame to form a skeleton.

이 차체 프레임의 전방 양측에는 첨부된 도면 제3도에 도시된 바와 같이, 차량 전방에 위치하는 프런트 사이드멤버(100)는 라디에이터 서포트 로워멤버(200)의 양단과 결합되며, 전방충돌과 측면충돌에 대하여 충격력의 흡수와 강성 유지를 병행하게 된다.As shown in FIG. 3, the front side member 100 positioned at the front of the vehicle is coupled to both ends of the radiator support lower member 200, and is provided at the front collision and side collision. The absorption of impact force and the maintenance of rigidity are performed at the same time.

상기한 프런트 사이드멤버(100)는 외측에 위치하는 아웃터멤버(120)와 그 내측에 제공되는 인너멤버(150)로 이루어지며 범퍼 스테이(300)가 장착된다.The front side member 100 is composed of an outer member 120 positioned outside and an inner member 150 provided inside thereof, and the bumper stay 300 is mounted.

상기한 범퍼 스테이(300)는 차량의 전방측으로 범퍼 임팩트빔(400)과 결합하여 전방 충돌력에 대응하게 된다.The bumper stay 300 is coupled to the bumper impact beam 400 to the front side of the vehicle to correspond to the front collision force.

그러나, 상기한 차량의 전방구조는 전방충돌이나 측면충돌에 대한 보강구조를 갖추고 있지만, 오프셋 충돌에 대해서는 적절한 구조물을 보유하지 못하고 있으므로 충돌시 차량의 전방 코너부가 쉽게 변형되는 현상이 발생되며, 고가의 범퍼 임팩트빔을 사용하므로 차량의 제조원가 상승의 원인이 된다.However, the front structure of the vehicle has a reinforcement structure for the frontal collision or the side collision, but does not have an appropriate structure for the offset collision, so that the front corner of the vehicle is easily deformed during the collision, and expensive Since the bumper impact beam is used, the manufacturing cost of the vehicle is increased.

또한, 헤드램프의 파손과 대차에 의한 충돌력이 전가될 경우에는 인명손실을 초래할 수 있는 문제점이 있다.In addition, there is a problem that can lead to loss of life when the crash of the headlamp and the impact force due to the balance is transferred.

본 발명은 상기한 바와 같이, 종래 기술이 문제점을 해소하기 위하여 안출된 것으로서, 본 발명의 목적은 자동차의 오프셋 충돌시 발생하는 충격력을 흡수할 수 있도록 차량의 전방 코너부에 보강구조를 제공하는데 있다.As described above, the present invention has been made in order to solve the problem, an object of the present invention is to provide a reinforcing structure in the front corner of the vehicle to absorb the impact force generated during the offset collision of the vehicle. .

상기한 바와 같은, 목적을 달성하기 위하여, 본 발명은 프런트 사이드멤버의 아웃터멤버와 범퍼 임팩트빔을 연결하는 절곡 성형된 패널을 구비하여 오프셋 충돌시 충격력을 완충할 수 있도록 한 보강구조를 제공한다.As described above, in order to achieve the object, the present invention provides a reinforcing structure having a bent molded panel connecting the outer member and the bumper impact beam of the front side member to cushion the impact force during offset collision.

이와 같이, 이루어지는 보강구조는 오프셋 충돌시 그 충돌력에 대해 적절한 충격흡수를 수행하게 된다.Thus, the reinforcing structure made is to perform the appropriate shock absorption for the impact force during the offset collision.

제1도는 본 발명에 관련하는 자동차의 차체를 나타낸 사시도.1 is a perspective view showing a vehicle body of a vehicle according to the present invention.

제2도는 본 발명의 실시예에 따른 차체의 전방 코너부를 나타낸 단면도.2 is a cross-sectional view showing a front corner portion of the vehicle body according to the embodiment of the present invention.

제3도는 종래 차체의 전방 코너부를 나타낸 단면도.3 is a cross-sectional view showing a front corner of a conventional vehicle body.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 프런트 사이드멤버 2 : 라이에이터 서포트 로워멤버1: Front side member 2: Reuter support lower member

10 : 아웃터멤버 15 : 인너멤버10: outer member 15: inner member

20 : 범퍼 스테이 30 : 범퍼 임팩트빔20: bumper stay 30: bumper impact beam

40 : 나사 체결수단 42 : 용접너트40: screw fastening means 42: welding nut

45 : 볼트 50 : 보강패널45: bolt 50: reinforcement panel

51 : 충돌면51: collision surface

이하 본 발명의 바람직한 실시예를 첨부한 도면을 참조하여 더욱 상세하게 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

제1도는 본 발명이 적용될 수 있는 자동차의 차체를 나타낸 사시도이고, 제2도는 본 발명의 실시예에 따른 차량 전방 코너부를 나타낸 단면도로서, 부호 1을 프런트 사이드멤버라 지칭한다.FIG. 1 is a perspective view illustrating a vehicle body of a vehicle to which the present invention can be applied, and FIG. 2 is a cross-sectional view showing a front corner of a vehicle according to an exemplary embodiment of the present invention, and reference numeral 1 denotes a front side member.

차체 프레임의 전방 양측에는 차량의 전방 및 측면 충돌시 그 충격 에너지를 받게되는 프런트 사이드멤버(1)가 위치한다.On both sides of the front of the vehicle frame, front side members 1 which receive the impact energy in front and side collision of the vehicle are located.

상기한 프런트 사이드멤버(1)는 라디에이터 서포트 로워멤버(2)의 양단과 결합되는 아웃터멤버(10)와 이의 내측에 제공되는 인너멤버(15)의 결합으로 이루어진다.The front side member 1 is composed of an outer member 10 coupled to both ends of the radiator support lower member 2 and an inner member 15 provided inside thereof.

상기한 프런트 사이드멤버(1)의 아웃터멤버와 인너멤버(15) 사이에 범퍼스테이(20)가 개재된다.The bumper stay 20 is interposed between the outer member and the inner member 15 of the front side member 1.

상기한 범퍼스테이(20)는 차량의 전방으로 범퍼 임팩트빔(30)과 결합하며, 이 범퍼 임팩트빔(30)을 지지한다.The bumper stay 20 is coupled to the bumper impact beam 30 toward the front of the vehicle and supports the bumper impact beam 30.

상기한 프런트 사이드멤버(1)의 아웃터멤버(10)와 상기한 범퍼 임팩트빔(30)에 단일부재로 이루어진 보강구조가 제공된다.The outer member 10 of the front side member 1 and the bumper impact beam 30 are provided with a reinforcing structure composed of a single member.

상기한 보강구조는 아웃터멤버(10)의 외측면에 그 일단이 접합되며, 차량의 오프셋 충돌시 가해지는 충격력을 직접 받을 수 있도록 외측으로 돌출되어, 그 타단은 범퍼 임팩트빔 (30) 전방 코너부의 일측에 접합되는 보강패널(50)로 이루어진다.One end of the reinforcing structure is joined to the outer surface of the outer member 10, and protrudes outward to directly receive an impact force applied during offset collision of the vehicle, the other end of which is the front corner of the bumper impact beam 30. It is made of a reinforcing panel 50 bonded to one side.

상기한 보강패널은, 충돌력에 균일한 변형을 유도하기 위해 전방 코너부측으로 충돌력에 수직하게 대응할 수 있는 충돌면(51)을 성형하고, 상기한 충돌면(51)에 가해지는 충격력을 분산하기 위해 상기 충돌면(51)의 일단은 연장되어 범퍼 임팩트빔(30)에 접합되고, 타단은 프런트 사이드멤버(1)와 평행으로 연장하여 소정의 길이를 갖은 후 내측으로 수직 절곡되어 상기 프런트 사이드멤버(1)에 접합된다.The reinforcement panel forms a collision surface 51 that can correspond to the collision force perpendicularly to the front corner side to induce a uniform deformation in the collision force, and distributes the impact force applied to the collision surface 51. One end of the collision surface 51 is extended to be joined to the bumper impact beam 30, and the other end extends in parallel with the front side member 1 to have a predetermined length, and is vertically bent inward to the front side. It is joined to the member 1.

또한, 상기한 보강패널이 프런트 사이드멤버와 범퍼 임팩트빔에 접합 방법으로는 나사 체결수단(40)이 사용될 수 있다.In addition, the screw fastening means 40 may be used as a method of joining the reinforcement panel to the front side member and the bumper impact beam.

상기한 나사 체결수단(40)은 프론트 사이드멤버(1)의 아웃터멤버(10) 내측면과, 범퍼 임팩트빔(30)의 내측면에 각각 용접으로 결합된 용접너트(42)를 구성하고 이 용접너트(42)의 위치에 맞게 보강패널(50)에 볼트공을 형성한 뒤 볼트(45)로 체결한다.The screw fastening means 40 constitutes a welding nut 42 which is welded to the inner surface of the outer member 10 of the front side member 1 and the inner surface of the bumper impact beam 30 by welding. A bolt hole is formed in the reinforcement panel 50 according to the position of the nut 42, and then fastened with a bolt 45.

이와 같이, 이루어지는 차량의 오프셋 충돌 보강구조는, 자동차가 충돌체와 편심되어 충돌하였을 때, 완충 부재인 범퍼(미도시)가 1차적인 충격흡수를 수행하고 이어서 보강패널(50)이 충돌력에 대응하게 된다.As described above, the offset collision reinforcement structure of the vehicle is constructed such that when the vehicle collides with the collision body, a bumper (not shown), which is a cushioning member, performs primary shock absorption, and then the reinforcement panel 50 responds to the collision force. Done.

또한, 상기한 보강구조는 프런트 사이드멤버(1)와 범퍼 임팩트빔(30)과의 결합으로 차량 전방 코너부의 결합강성이 증대되고 특히, 오프셋 충돌시 헤드램프(미도시)를 보호하기 위한 범퍼 임팩트빔(30)의 길이를 줄일 수 있다.In addition, the reinforcement structure is coupled to the front side member 1 and the bumper impact beam 30 to increase the coupling stiffness of the front corner of the vehicle, in particular, bumper impact to protect the headlamp (not shown) during offset collision The length of the beam 30 can be reduced.

따라서, 상기한 오프셋 충돌 보강구조는 충돌력을 변형에너지로 바꾸어 충돌력을 상쇄시킬수 있어 차량의 파손을 줄일 수 있다.Therefore, the offset collision reinforcement structure can cancel the collision force by changing the collision force into strain energy, thereby reducing the damage of the vehicle.

상기한 바와 같이, 이루어지는 오프셋 충돌 보강구조는 오프셋 충돌에 취약한 전방 코너부를 보강하고 또한, 결합강성을 증대시키므로 충격력에 보다 큰 강성으로 대응할 수 있으며, 탑승객의 안전성을 한층 향상시킬 수 있다.As described above, the offset collision reinforcement structure made of the reinforced front corner portion vulnerable to offset collision and also increase the coupling rigidity can cope with greater stiffness to the impact force, it is possible to further improve the passenger safety.

또한, 제조원가 상승의 원인이 되는 범퍼 임팩트빔의 길이를 줄일 수 있어 차량 제조원가를 낮출 수 있는 이점이 있다.In addition, it is possible to reduce the length of the bumper impact beam that causes the increase in manufacturing cost has the advantage of lowering the vehicle manufacturing cost.

Claims (2)

차량의 길이방향으로 배치되어 정면충돌 및 측면충돌시 엔진룸을 보호하는 프런트 사이드멤버(1)와; 상기한 프론트 사이드멤버(1)의 아웃터멤버(10)와 인너멤버(15) 사이에 장착되는 범퍼 스테이(20)와; 상기한 범퍼 스테이(20)와 접합되는 차폭 방향으로 설치되며 전방충돌에 대응하는 범퍼 임팩트빔(30)과; 상기한 프런트 사이드멤버(1)와 범퍼 임팩트빔(30)에 접합되며, 전방 코너부 충돌시 가해지는 충격력을 직접받을 수 있도록 외측으로 돌출되게 절곡 성형된 보강패널(50)을 포함하는 차량의 오프셋 충돌 보강구조.A front side member (1) disposed in the longitudinal direction of the vehicle and protecting the engine room during frontal and side collisions; A bumper stay 20 mounted between the outer member 10 and the inner member 15 of the front side member 1; A bumper impact beam 30 installed in the vehicle width direction to be joined to the bumper stay 20 and corresponding to a front collision; Offset of the vehicle including a reinforcement panel 50 joined to the front side member 1 and the bumper impact beam 30 and bent to protrude outward so as to directly receive an impact force applied when the front corner part collides. Collision reinforcement structure. 제1항에 있어서, 보강패널(50)은 전방 코너부의 충돌력에 균일한 변형을 유도하기 위한 충돌면(51)을 포함하며, 상기 충돌면(51)에 연장되어 그 일단은 범퍼 임팩트빔(30)에 접합되고, 타단은 프런트 사이드멤버(1)와 평행으로 연장하여 소정의 길이를 갖는 후 내측으로 수직 절곡되어 상기 프런트 사이드멤버(1)에 접합되는 것을 특징으로 하는 차량용 오프셋 충돌 보강구조.According to claim 1, the reinforcement panel 50 includes a collision surface 51 for inducing a uniform deformation in the impact force of the front corner portion, and extends to the collision surface 51, one end thereof is a bumper impact beam ( 30), and the other end extends in parallel with the front side member (1) and has a predetermined length and then vertically bent inward to be joined to the front side member (1).
KR1019960066505A 1996-12-17 1996-12-17 Reinforcing structure for offset crash of a car KR100250279B1 (en)

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