KR100263965B1 - Structure for reinforcing the center pillar - Google Patents

Structure for reinforcing the center pillar Download PDF

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Publication number
KR100263965B1
KR100263965B1 KR1019950019737A KR19950019737A KR100263965B1 KR 100263965 B1 KR100263965 B1 KR 100263965B1 KR 1019950019737 A KR1019950019737 A KR 1019950019737A KR 19950019737 A KR19950019737 A KR 19950019737A KR 100263965 B1 KR100263965 B1 KR 100263965B1
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KR
South Korea
Prior art keywords
striker bracket
striker
mounting portion
outer panel
impact
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KR1019950019737A
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Korean (ko)
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KR970006072A (en
Inventor
김길섭
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류정열
기아자동차주식회사
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Priority to KR1019950019737A priority Critical patent/KR100263965B1/en
Publication of KR970006072A publication Critical patent/KR970006072A/en
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Publication of KR100263965B1 publication Critical patent/KR100263965B1/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
    • B62D25/04—Door pillars ; windshield pillars
    • 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: Reinforcement structure for the intermediate pillar of a vehicle is provided to absorb a load applied to a striker by forming closed sections in the upper and the lower portion of a mounting unit and to prevent a door from being pushed into an indoor room by absorbing side impact in the intermediate pillar. CONSTITUTION: In the reinforcement structure of an intermediate pillar(100), a striker bracket(20) is mounted on a mounting portion(15) bent on the outer side of an outer panel(10) and closed sections(30) are formed in the upper and the lower portion of the mounting portion to absorb a load applied to the striker bracket when a door is opened or closed. In case of a side-on collision, the striker bracket first absorbs impact inside the closed sections, secondly absorbs the load in the outer panel and thirdly absorbs impact in an inner panel. At the same time, the striker bracket widely and horizontally disperses the load to buffer impact transmitted to an indoor room.

Description

자동차 중간기둥의 보강구조Reinforcement structure of car middle pillar

본 발명은 자동차 측면에 설치되는 중간기둥의 보강구조에 관한 것으로, 특히 스트라이커 취부부를 보강하여 도어의 개폐시에 발생되는 충격하중에 의해 중간기둥이 파손되는 것을 효과적으로 억제하도록 하는 자동차 중간기둥의 보강구조에 관한 것이다.The present invention relates to a reinforcement structure of an intermediate pillar installed on the side of an automobile, and in particular, to reinforce the intermediate pillar to effectively suppress the breakage of the intermediate pillar by the impact load generated when the door is opened and closed by reinforcing the striker mounting portion. It's about structure.

일반적으로 자동차의 측면부 차체구조는, 전면기둥(Front pillar)과 중심기둥(Center pillar) 및 후면기둥(Rear pillar) 사이에 개구부가 형성되어, 상기 개구부에 도어가 개폐가능하게 설치되고, 상기 기둥들 상단부에 지붕의 외측부를 형성하는 루프레일(Roof rail)이 연결되며, 상기 기둥들 하단부에 차량의 저면부를 형성하는 플로러판넬(Floor panel)과 사이드실(Side sill)이 연결되어 있다.In general, a vehicle body structure of a side portion of an automobile includes an opening formed between a front pillar, a center pillar, and a rear pillar, and a door is installed in the opening to open and close the pillars. A roof rail which forms an outer portion of the roof is connected to the upper end, and a floor panel and a side sill, which form a bottom part of the vehicle, are connected to the lower end of the pillars.

여기에서, 종래 자동차 중간기둥의 보강구조는 제1도에 도시된 바와 같이, 일측으로 돌출되어 외측판넬(10 ; Outer panel)의 일측면에 취부부(15)가 형성되고, 상기 취부부(15)의 외측으로 스트라이커브라켓(20)이 취부되며, 상기 스트라이커브라켓(20)이 외측판넬(10)의 일측면에 취부되어진다.Here, the conventional reinforcement structure of the middle pillar of the vehicle is projected to one side, as shown in Figure 1, the mounting portion 15 is formed on one side of the outer panel (Outer panel 10), the mounting portion 15 The striker bracket 20 is mounted to the outside of the panel, and the striker bracket 20 is mounted on one side of the outer panel 10.

이와같이 구성되는 종래 자동차 중간기둥의 보강구조는, 외측판넬(10)이 절곡되어 형성된 취부부(15)에 스트라이커브라켓(20)이 취부되어, 측부 구조물인 중간기둥(100)이 충돌사고 등에 의해 충격이 가해지는 경우 파손되어 실내로 침입되는 것을 억제하도록 하며, 측부 차체의 변형을 억제하고 실내의 승원이 보호되도록 되어 있다.In the conventional reinforcement structure of the automobile intermediate pillar configured as described above, the striker bracket 20 is mounted on the mounting portion 15 formed by bending the outer panel 10, and the intermediate pillar 100 as a side structure is impacted by a collision accident or the like. When this is applied, it is possible to prevent damage and intrusion into the room, to suppress deformation of the side vehicle body, and to protect the occupant of the room.

그러나, 이러한 종래 자동차 중간기둥의 보강구조는, 측면 충돌시, 충돌하는 외측판넬(10)에 돌출되어 형성된 취부부(15)에 접하며 취부되는 스트라이커브라켓(20)에 의해 충격에너지를 흡수하여야 하므로 제기능을 발휘하지 못하고, 상기 중간기둥(100)이 충격에너지에 의해 파손되어 차체가 차실로 유입됨은 물론, 도어의 개폐시 스트라이커에 걸리는 하중부하를 효과적으로 흡수하지 못하여 중간기둥(100)이 변형되어 굴곡이 발생되는 문제점이 있었다.However, the conventional reinforcement structure of the middle pillar of the vehicle, since the impact energy must be absorbed by the striker bracket 20 that is in contact with the mounting portion 15 protruding to the outer panel 10 to collide during side impact. Failure to exert the function, the intermediate pillar 100 is damaged by the impact energy, the vehicle body is introduced into the cabin, as well as effectively absorb the load load applied to the striker when opening and closing the door, the intermediate pillar 100 is deformed and bent There was a problem that occurred.

본 발명의 목적은 상기와 같은 종래의 문제점을 보완하기 위해, 중간기둥의 외측판넬에 형성되는 취부부의 상부와 하부에 각각의 폐단면을 형성하여, 도어의 개폐시 스트라이커에 걸리는 하중부하를 효과적으로 흡수하고, 측면 충돌시 상기 중간 기둥의 내부에서 충격에너지를 흡수하는 동시에 충격하중에 의하여 도어가 차실로 유입되는 것을 억제하도록 하는 자동차 중간기둥의 보강구조를 제공하는데 있다.An object of the present invention is to form a closed end surface of each of the upper and lower parts of the mounting portion formed on the outer panel of the intermediate column, to solve the conventional problems as described above, effectively loading the load on the striker when opening and closing the door The present invention provides a reinforcement structure for a vehicle intermediate pillar that absorbs and absorbs impact energy in the interior of the intermediate column at the time of side impact, and at the same time, suppresses the door from entering the vehicle compartment by the impact load.

제1도는 종래 자동차 중간기둥의 구조를 나타내는 요부확대 정단면도.1 is a main portion enlarged front sectional view showing the structure of a conventional automobile middle pillar.

제2도는 본 발명이 적용된 상태를 나타내는 요부확대 정단면도이다.2 is an enlarged sectional view of the main portion showing the state to which the present invention is applied.

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

10 : 외측판넬 15 : 취부부10: outer panel 15: mounting part

20 : 스트라이커브라켓 30 : 폐단면20: striker bracket 30: closed section

이하 첨부된 도면에 의하여 본 발명의 기술적 구성을 상세히 설명하면 다음과 같다.Hereinafter, the technical configuration of the present invention with reference to the accompanying drawings in detail.

본 발명의 자동차 중간기둥의 보강구조도 제2도에 도시된 바와 같이, 일측으로 돌출되어 외측판넬(10)의 일측면에 취부부(15)가 형성되고, 상기 취부부(15)의 외측으로 스트라이커브라켓(20)이 취부되는 것에 있어서, 상기 스트라이커브라켓(20)이 상부와 하부로 연장절곡되고, 상기 절곡된 양측단부는 외측판넬(10)의 일측면에 취부되어, 상기 취부부(15)의 상부와 하부에 각각의 폐단면(30)이 형성됨을 특징으로 한다.As shown in FIG. 2, the reinforcing structure of the automobile intermediate pillar of the present invention is protruded to one side, and a mounting portion 15 is formed on one side of the outer panel 10, and the outer side of the mounting portion 15 is provided. In the striker bracket 20 is mounted, the striker bracket 20 is extended and bent upward and downward, and the bent both ends are mounted on one side of the outer panel 10, the mounting portion 15 Characterized in that each of the closed cross-section 30 is formed at the top and bottom of the.

이와 같이 구성되는 본 발명은, 외측판넬(10)의 외측면에 돌출되게 절곡된 취부부(15)의 일측면에 스트라이커브라켓(20)의 일측면이 취부되고, 상기 취부부(15)의 일측면에 취부된 스트라이커브라켓(20)의 상단부와 하단부는 외측판넬(10)에 취부되어, 상기 취부부(15)의 상부와 하부에 폐단면(30)을 형성하며 취부된 스트라이커보강판(20)에 의해 도어의 개폐시에 스트라이커브라켓(20)에 걸리는 자체의 하중부하를 효과적으로 흡수 분산되도록 하며, 측면 충돌시 스트라이커브라켓(20)이 1차적으로 폐단면(30) 내에서 충격에너지를 흡수하고 충격하중이 분산되도록 하며, 2차적으로 외측판넬(10) 충격하중을 흡수하고, 3차적으로 내측판넬에 의해 충격에너지를 흡수함과 동시에 횡방향으로 폭넓게 하중을 분산시켜, 실내로 전달되는 충격을 완충시켜주고, 측부 차체가 실내로 침입되는 것을 효과적으로 억제시켜준다.In the present invention configured as described above, one side of the striker bracket 20 is mounted on one side of the mounting portion 15 bent to protrude to the outer surface of the outer panel 10, and one of the mounting portions 15 is mounted. The upper and lower portions of the striker bracket 20 mounted on the side surface are mounted on the outer panel 10 to form the closed end surface 30 on the upper and lower portions of the mounting portion 15, and the striker reinforcement plate 20 is mounted. By absorbing and dispersing the load load applied to the striker bracket 20 effectively when the door is opened and closed, the striker bracket 20 primarily absorbs the impact energy in the closed section 30 and impacts during side impact. The load is distributed, and the second panel absorbs the impact load of the outer panel 10, and the third panel absorbs the impact energy by the inner panel, and at the same time, the load is widely distributed in the transverse direction to cushion the shock transmitted to the room. Let me go, side car It allows to effectively suppress the intrusion into the interior.

이러한 본 발명은 외측판넬(10)의 외측으로 돌출되게 형성되는 취부부(15)의 상부와 하부에 폐단면을 갖으며 스트라이커브라켓(20)이 취부되어, 스트라이커브라켓(20)에 걸리는 자체하중이 효과적으로 분산됨으로서, 증간기둥(100)이 굴곡되는 것을 방지하며, 중간기둥(100)이 횡방향에 대한 강성이 향상되도록 하며, 측면충돌시 중간기둥(100)의 파손을 억제하도록 한다.The present invention has a closed cross section at the top and bottom of the mounting portion 15 is formed to protrude to the outside of the outer panel 10 and the striker bracket 20 is mounted, the self-load applied to the striker bracket 20 By being effectively dispersed, the intermediate pillar 100 is prevented from being bent, the intermediate pillar 100 to improve the rigidity in the transverse direction, and to suppress the breakage of the intermediate pillar 100 during side impact.

따라서, 이러한 본 발명은 차체의 변형이 억제되고, 충격이 효과적으로 완충되어, 측면 충돌시 승원의 안전성이 향상되도록 하는 효과가 있다.Therefore, the present invention has the effect that the deformation of the vehicle body is suppressed, the shock is effectively buffered, and the safety of the occupant is improved during side impact.

이상에서 살펴본 바와 같이, 본 발명은 취부부의 상부와 하부에 폐단면을 형성하는 스트라이커브라켓이 취부되어, 측면 충돌시 중간기둥이 파손되어 실내로 침입되는 것을 억제하고 충격을 효과적으로 흡수 완충하는 효과가 있다.As described above, the present invention has a striker bracket for forming a closed cross-section at the upper and lower parts of the mounting portion is mounted, the middle pillar is broken during side impacts to prevent intrusion into the room and the effect of absorbing and absorbing shock effectively have.

Claims (1)

도어 내측으로 돌출되도록 굴곡되어진 외측판넬(10)의 취부부(15)에 스트라이커브라켓(20)이 취부되어진 자동차 중간기둥의 보강구조에 있어서, 상기 스트라이커브라켓(20)이 상부와 하부로 연장 절곡되고, 이와 같이 연장 절곡된 스트라이커브라켓(20)의 양쪽 단부가 외측판넬(10)의 취부부(15)를 중심으로 양쪽에 배치된 외측판넬(10)에 각각 취부되어, 취부부(15)의 상부와 하부에 각각 폐단면(30)이 형성되어진 것을 특징으로 하는 자동차 중간기둥의 보강구조.In the reinforcement structure of the middle pillar of the vehicle in which the striker bracket 20 is mounted on the mounting portion 15 of the outer panel 10 which is bent to protrude into the door, the striker bracket 20 is bent upward and downward. Both ends of the striker bracket 20 extended and bent in this way are mounted on the outer panel 10 disposed on both sides of the mounting portion 15 of the outer panel 10, respectively, so that the upper portion of the mounting portion 15 is mounted. Reinforcement structure of the middle pillar of the vehicle, characterized in that the closed end surface 30 is formed in each of the lower and lower.
KR1019950019737A 1995-07-06 1995-07-06 Structure for reinforcing the center pillar KR100263965B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950019737A KR100263965B1 (en) 1995-07-06 1995-07-06 Structure for reinforcing the center pillar

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Application Number Priority Date Filing Date Title
KR1019950019737A KR100263965B1 (en) 1995-07-06 1995-07-06 Structure for reinforcing the center pillar

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KR970006072A KR970006072A (en) 1997-02-19
KR100263965B1 true KR100263965B1 (en) 2000-08-16

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