KR100204299B1 - Side structure of car body - Google Patents

Side structure of car body Download PDF

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Publication number
KR100204299B1
KR100204299B1 KR1019930017375A KR930017375A KR100204299B1 KR 100204299 B1 KR100204299 B1 KR 100204299B1 KR 1019930017375 A KR1019930017375 A KR 1019930017375A KR 930017375 A KR930017375 A KR 930017375A KR 100204299 B1 KR100204299 B1 KR 100204299B1
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KR
South Korea
Prior art keywords
outer frame
vehicle body
welding
reinforcement
welded
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KR1019930017375A
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Korean (ko)
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KR950008280A (en
Inventor
이동렬
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류정열
기아자동차주식회사
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Priority to KR1019930017375A priority Critical patent/KR100204299B1/en
Publication of KR950008280A publication Critical patent/KR950008280A/en
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Publication of KR100204299B1 publication Critical patent/KR100204299B1/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
    • B62D25/02—Side panels
    • B62D25/025—Side sills thereof

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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

본 발명은 차량의 차체의 측부구조에 관한 것으로, 차체의 내부사이드실(1)과 외부프레임(2)사이에 보강된 보강판넬(3a,3b)이 용접으로 결합된 차체의 측부구조에 있어서, 상기 보강판넬(3a,3b)이 용접용구멍(8)을 갖춘 제 1 보강판넬(3a)과, 이 용접용구멍(8)에 상응하는 위치에 용접점(7)과 포물선형의 굴곡부(5)를 갖춘 제 2 보강판넬(3b)로 이루어져 용접으로 결합되고서, 이 제2보강판넬(36)의 용접점(7)을 매개로 외부프레임(2)에 용접되어, 보강판넬(3a,3b)과 외부프레임(2)으로 형성된 차체측부가 용접으로서 내부사이드실(1)의 접합부(4)에 용접되는 한편, 상기 외부프레임(2) 하부면에 이 외부프레임(2)과 소정의 공간이 형성되도록 보호판(6)이 부착되어 차체측부의 강성이 향상되는 효과가 있게 된다.The present invention relates to a side structure of a vehicle body, and in the side structure of a vehicle body in which reinforcement panels 3a and 3b reinforced between an inner side chamber 1 and an outer frame 2 of the vehicle body are welded, The reinforcement panels 3a and 3b have a first reinforcement panel 3a having a welding hole 8 and a welding point 7 and a parabolic bent portion 5 at a position corresponding to the welding hole 8. The second reinforcement panel (3b) having a) is joined by welding, welded to the outer frame (2) via the welding point (7) of the second reinforcement panel (36), reinforcement panels (3a, 3b) ) And the vehicle body side portion formed by the outer frame 2 are welded to the joint portion 4 of the inner side seal 1 by welding, while the outer frame 2 and a predetermined space are formed on the lower surface of the outer frame 2. The protective plate 6 is attached to be formed so that the rigidity of the vehicle body side portion is improved.

Description

차체의 측부구조Side structure of the body

제1도는 본 발명에 따른 차체 측부의 단면도.1 is a cross-sectional view of the vehicle body side portion according to the present invention.

제2도는 본 발명에 따른 차체 측부의 요부분리사시도.2 is a partial perspective view of the main body side in accordance with the present invention.

제3a도는 종래기술에 따른 차체 측부의 사시도.Figure 3a is a perspective view of the vehicle body side according to the prior art.

제3b도는 a도의 C-C 방향의 단면도이다.3B is a cross-sectional view in the C-C direction of a.

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

1 : 내부사이드실 2 : 외부프레임1: inside side room 2: outside frame

3a : 제1보강판넬 3b : 제2보강판낼3a: 1st reinforcement panel 3b: 2nd reinforcement panel

4 : 접합부 5 : 굴곡부4 junction 5 bend

6 : 보호판, 7 : 용접점6: protection plate, 7: welding point

8 : 용접용구멍8: welding hole

본 발명은 차량 측부의 차체구조에 관한 것으로, 특히 보강판넬을 부착하여 강성이 향상되어 충격에 강한 차체의 측부구조에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle body structure of a vehicle side, and more particularly, to a side structure of a vehicle body that has a rigidity improved by attaching a reinforcement panel.

일반적으로 차량의 측부는 도로 주행시나 또는 주·정차시에 외부 차량에 의해 손상되는 경우가 있어 탐승자의 안전 및 차량의 보호를 위해 강성이 요구되는 바, 종래의 차량측부는 제3도에 제시된 바와 같이 외부의 형태를 형성하는 외부프레임(32)과, 차량내부공간을 형성하는 내부사이드실(31) 및 이 내부사이드실(31)과 외부 프레임(32) 사이에 보강된 보강판넬(33)로 구성되게 된다.In general, the side of the vehicle may be damaged by an external vehicle when driving on the road, or when stopping or stopping. Therefore, rigidity is required for the safety of the rider and the protection of the vehicle. Like the outer frame 32 to form the outer shape, the inner side chamber 31 to form a vehicle interior space and the reinforcement panel 33 is reinforced between the inner side chamber 31 and the outer frame 32 Will be constructed.

따라서 제3b도의 C-C 방향의 단면구조상 외부프레임(32)이 손상되면 보강판넬(33)로 인해 수정이 곤란하고 또한 차체내부를 형성하는 내부사이드실(31)과 외부프레임(32)이 단일 보강판넬(33)로 되어 있어 강성에 있어서나 탑승자의 안전에도 양호하지 못한 문제점이 있었다.Therefore, when the external frame 32 is damaged due to the cross-sectional structure in the CC direction of FIG. 3b, the reinforcement panel 33 is difficult to modify and the inner side seal 31 and the outer frame 32 forming the vehicle body are single reinforcement panels. It was set to (33), and there was a problem that the rigidity and the safety of the occupant were not good.

이에 본 발명은 상기한 문제점을 해결하기 위해 발명된 것으로 측부에 보강판넬이 구비되어 충격에 강한 강성이 향상된 차체의 측부구조를 제공함에 그 목적이 있다.Accordingly, the present invention has been made to solve the above problems is to provide a side structure of the vehicle body is provided with a reinforcement panel on the side has improved rigidity against impact.

상기 목적을 달성하기 위한 본 발명은, 차체의 내부사이드실과 외부프레임 사이에 보강된 보강판넬이 용접으로 결합된 차체의 측부구조에 있어서, 상기 보강판넬이 용접용구멍을 갖춘 제1보강판넬과, 이 용접용구멍에 상응하는 위치에 용접점과 포물선형의 굴곡부를 갖춘 제2보강판넬로서 용접으로 결합되고서, 이 제2보강판넬의 용접점을 매개로 외부프레임에 용접되어, 보강판넬과 외부프레임으로 형성된 차체측부가 용접으로서 내부사이드실의 접합부에 용접되고, 상기 외부프레임 하부면에 이 외부프레임과 소정의 공간이 형성되도록 보호판이 부착되어 차체측부의 강성이 향상되도록 되어 있다.The present invention for achieving the above object, in the side structure of the vehicle body is a reinforcement panel reinforced between the inner side seal and the outer frame of the vehicle body by welding, the reinforcement panel having a welding hole, and A second reinforcement panel having a welding point and a parabolic bent portion at a position corresponding to the welding hole is welded and welded to the outer frame via the welding point of the second reinforcement panel, and the reinforcing panel and the exterior. The vehicle body side portion formed by the frame is welded to the joint portion of the inner side seal by welding, and a protective plate is attached so that the outer frame and a predetermined space are formed on the lower surface of the outer frame so that the rigidity of the vehicle body side portion is improved.

이하 본 발명을 첨부된 예시도면 의거 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

제1도는 본 발명에 따른 차체 측부의 단면도를 도시한 것으로, 내부사이드실(1)과 외부프레임(2) 사이의 내부공간에 제1보강판넬(3a)과 제2보강판넬(3b)이 용접으로 취부되는데, 제 1 보강판넬(3a)은 내부사이드실(1)에 근접되어서 이 내부사이드실(1)과 외부프레임(2)과의 접합부(4)사이에 가로질러서 용접으로 접합부(4)에 결합되어 있고, 이 제1보강판넬(3a)에서 각 접합부(4)에 근접된 위치에 제2보강판넬(3b)이 용접으로 부착되는데, 이 제2보강판넬(3b)은 외부프레임(2)에 접합되도록 외부프레임(2) 쪽을 향해 굴곡부(5)를 갖는 바, 이 굴곡부(5)는 대략 포물선형태를 취하고 있다.1 is a cross-sectional view of the vehicle body side according to the present invention, in which the first reinforcing panel 3a and the second reinforcing panel 3b are welded to an inner space between the inner side seal 1 and the outer frame 2. The first reinforcement panel 3a is adjacent to the inner side chamber 1 and welded across the junction 4 between the inner side chamber 1 and the outer frame 2 by welding. The second reinforcement panel 3b is welded and attached to a position proximate to each joint 4 in the first reinforcement panel 3a, and the second reinforcement panel 3b is attached to the outer frame 2. (B) has a bent portion (5) toward the outer frame (2) so that the bent portion (5) has a substantially parabolic shape.

따라서 상기 보강판넬(3a,3b)을 덮어 씌우면서 차체측부의 외형을 형성하는 외부프레임(2)은 내부사이드실(1)과 맞닿는 각각의 접합부(4)와, 제2보강판넬(3b)의 굴곡부(5)에서 용접으로 접합되게 되고, 이에 따라 외부프레임(2)의 형상도 제2보강판넬(3b)을 완전히 덮으면서 공간을 형성하도록 도시된 것과 같은 단면형상을 갖추게 된다.Therefore, the outer frame 2 which forms the outer shape of the vehicle body side part while covering the reinforcement panels 3a and 3b includes the respective joint portions 4 and the second reinforcement panels 3b which contact the inner side seal 1. The bending part 5 is joined by welding, and thus the shape of the outer frame 2 also has a cross-sectional shape as shown to form a space while completely covering the second reinforcement panel 3b.

또한 상기 외부프레임(2)의 바깥쪽에는 제 2 보강판넬(3b)과의 각 용접된 부위와 차체의 매끄러운 형상을 이루기 위해 보호판(6)이 취부되는데 이 보호판(6)은, 외부프레임(2)과 제 2 보강판넬(3b)이 용접된 굴곡부(5)부위에서 외부프레임(2) 표면과, 하부접합부(4)에 근접된 부위의 외부프레임(2) 표면에 양끝이 부착되어서 이 외부프레임(2)의 하부면을 덮으면서 보강재로서의 역할을 감당하게 된다.In addition, a protective plate 6 is mounted on the outside of the outer frame 2 to form a smooth shape of each welded portion and the vehicle body with the second reinforcement panel 3b, and the protective plate 6 includes an outer frame 2. ) And both ends are attached to the outer frame (2) surface at the bent portion (5) welded to the second reinforcement panel (3b) and to the outer frame (2) surface at the portion adjacent to the lower joint portion (4). It covers the lower surface of (2) and plays a role as a reinforcing material.

제2도는 보강판넬과 외부프레임의 분리사시도로서, 보강판넬(3a,3b)의 결합시에는 제1보강판넬(3a)에 제2보강판넬(3b)양쪽 끝의 접합부위를 용접으로 결합하고서 제2보강판넬(3b)의 굴곡부(5)에 형성된 다수의 용접점(7)을 이용하고 외부프레임(2)의 내면에 용접시키는데, 용접건으로 용접하기 위해 제1보강판넬(3a)에는 용접점(7)의 위치와 일치하여 용접용구멍(8)이 형성되어져, 이 용접용구멍(8)을 매개로 용접건이 외부프레임(2)과 제2보강판넬(3b)을 점용접으로 접합시키게 된다.FIG. 2 is an exploded perspective view of the reinforcing panel and the outer frame. When joining the reinforcing panels 3a and 3b, the joints at both ends of the second reinforcing panel 3b are welded to the first reinforcing panel 3a. A plurality of welding points 7 formed on the bent portion 5 of the reinforcing panel 3b are used and welded to the inner surface of the outer frame 2, and the first reinforcing panel 3a is welded to the first reinforcing panel 3a for welding with a welding gun. The welding hole 8 is formed in accordance with the position of 7), and the welding gun joins the outer frame 2 and the second reinforcing panel 3b by spot welding via the welding hole 8.

이어서, 제1보강판넬(3a)과 제 2 보강판넬(3b) 및 외부프레임(2)이 용접으로 결합된 일련의 차체측부는 제 1 보강판넬(3a)을 매개로 내부사이드실(1)에 용접으로 결합되고, 상기 외브프레임(2)의 하면에 용접부위를 덮어주면서 외관미를 향상시키도록 보호판(6)이 취부되게 되면 보강판넬(3a,3b)이 내장된 차체의 측부의 결합이 완성하게 된다.Subsequently, a series of body side portions in which the first reinforcement panel 3a, the second reinforcement panel 3b and the outer frame 2 are joined by welding is connected to the inner side seal 1 via the first reinforcement panel 3a. When the protection plate 6 is mounted to be joined by welding and to improve the appearance while covering the welded portion on the lower surface of the outer frame 2, the coupling of the side of the vehicle body in which the reinforcement panels 3a and 3b are incorporated is completed. Done.

따라서 상기와 같이 보강된 차체측부는 우선 가벼운 충돌일 경우에는 교환 및 수리가 쉬우며 심미성이 있는 보호판(6)이 외부프레임(2)을 보호하게 되고, 또한 심한 충돌이나 충격이 발생시에는 외부프레임(2)에 충격력을 제1보강판넬(3a)의 탄성력과, 제2보강판넬(3b)의 굴곡부(5)에 의한 충분한 강성으로 외부프레임(2)에 반력이 야기되게 됨에 따라 보강판넬(3a,3b)이 외력에 대해 반력 및 지지부로서의 역할을 수행하게 된다.Therefore, the reinforcing body side as described above is easy to replace and repair in the case of a light collision first, the aesthetic protection plate (6) protects the outer frame (2), and also in the event of severe collisions or impacts the outer frame ( 2) the impact force is caused by the elastic force of the first reinforcing panel (3a) and the sufficient rigidity by the bent portion (5) of the second reinforcing panel (3b) causes the reaction force to the outer frame (2). 3b) will act as a reaction force and support for external forces.

따라서 1차적으로 보호판(6)이 외부충격에 대해서 충격력을 감소시키고, 이어 2차작으로 보강판넬(3a,3b)이 외부프레임(2)을 보강지지하여 외부프레임(2)의 손상은 감소되고 탑승자의 안전성은 향상되게 된다.Therefore, the protective plate 6 primarily reduces the impact force against the external shock, and then the reinforcement panels 3a and 3b reinforce the external frame 2 in the second operation so that the damage of the external frame 2 is reduced and the occupant is reduced. The safety of the will be improved.

Claims (2)

차체의 내부사이드실(1)과 외부 프레임(2)사이에 보강된 보강판넬(3a,3b)이 용접으로 결합된 차체의 측부구조에 있어서, 상기 보강판넬(3a,3b)이 용접용구멍(8)을 갖춘 제 1 보강판넬(3a)과, 이 용접용구멍(8)에 상응하는 위치에 용접용(7)과 포물선형의 굴곡부(5)를 갖춘 제 2 보강판넬(3b)로 이루어져 용접으로 결합되고서, 이 제 2 보강판넬(3b)의 용접용(7)을 매개로 외부프레임(2)에 용접되어, 보강판넬(3a,3b)과 외부프레임(2)으로 형성된 차체측부가 용접용으로서 내부사이드실(1)의 접합부(4)에 용접된 것을 특징으로 하는 차체의 측부구조.In the side structure of the vehicle body in which the reinforcement panels 3a and 3b reinforced between the inner side seal 1 and the outer frame 2 of the vehicle body are welded together, the reinforcement panels 3a and 3b are formed by welding holes ( 8) a first reinforcement panel 3a provided with a second reinforcement panel 3b provided with a welding portion 7 and a parabolic bent portion 5 at a position corresponding to the welding hole 8; Coupled to the outer frame 2 via the welding 7 of the second reinforcement panel 3b, and the vehicle body side portions formed of the reinforcement panels 3a and 3b and the outer frame 2 are welded. A side structure of a vehicle body, characterized in that it is welded to the joint part 4 of the inner side seal 1 for the purpose. 제 1 항에 있어서, 상기 외부프레임(2) 하부면에서 이 외부프레임(2)과 소정의 공간이 형성되도록 보호판(6)이 부착된 것을 특징으로 하는 차체의 측부구조.2. The side structure of the vehicle body according to claim 1, wherein a protective plate (6) is attached on the lower surface of the outer frame (2) so that a predetermined space is formed with the outer frame (2).
KR1019930017375A 1993-09-01 1993-09-01 Side structure of car body KR100204299B1 (en)

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KR1019930017375A KR100204299B1 (en) 1993-09-01 1993-09-01 Side structure of car body

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