KR0135445B1 - The conneting structure between side sill and floor - Google Patents

The conneting structure between side sill and floor

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Publication number
KR0135445B1
KR0135445B1 KR1019950029000A KR19950029000A KR0135445B1 KR 0135445 B1 KR0135445 B1 KR 0135445B1 KR 1019950029000 A KR1019950029000 A KR 1019950029000A KR 19950029000 A KR19950029000 A KR 19950029000A KR 0135445 B1 KR0135445 B1 KR 0135445B1
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KR
South Korea
Prior art keywords
panel
floor
floor panel
vehicle
bent
Prior art date
Application number
KR1019950029000A
Other languages
Korean (ko)
Other versions
KR970015358A (en
Inventor
박철희
Original Assignee
한승준
기아자동차주식회사
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Publication date
Application filed by 한승준, 기아자동차주식회사 filed Critical 한승준
Priority to KR1019950029000A priority Critical patent/KR0135445B1/en
Publication of KR970015358A publication Critical patent/KR970015358A/en
Application granted granted Critical
Publication of KR0135445B1 publication Critical patent/KR0135445B1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/02Side panels
    • B62D25/025Side sills thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20Floors or bottom sub-units
    • B62D25/2009Floors or bottom sub-units in connection with other superstructure subunits

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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 자동차 플로어(floor)의 양 측부에 연결되는 사이드실(side sill)의 연결구조에 관한 것으로서, 안전성이 향상되도록 하기 위해, 내측패널(21)과 외측패널(22)이 폐단면으로 결합되는 사이드 실(20)이 차량의 저면부를 형성하는 플로어패널(10)의 측단부에 연결되는 것에 있어서, 상기 사이드실의 하단부가 절곡 연장되고 연장부에 상부가 개구되는 절곡부(23)가 형성되어, 연장부가 상기 플로어패널의 저면에 폐단면을 형성하며 취부되도록 구성하여, 차량의 전방 또는 측부에서 충격하중이 작용되는 경우, 플로어패널(10)의 변형이 효과적으로 억제되도록 하여, 승원의 안전성이 향상되도록, 하고, 플로어패널(10)과 사이드실(20)의 하단부가 수평하게 접촉되어 접촉부의 시일작업이 용이하도록 하는 자동차 사이드실과 플로어의 연결구조이다.The present invention relates to a side sill connection structure connected to both sides of the automobile floor (floor), in order to improve the safety, the inner panel 21 and the outer panel 22 are coupled to the closed section When the side seal 20 is connected to the side end portion of the floor panel 10 forming the bottom portion of the vehicle, the lower end portion of the side seal is bent and the bent portion 23 is formed in which the upper portion is opened in the extension portion. The extension part is configured to be attached to the bottom surface of the floor panel to form a closed cross section, so that when the impact load is applied to the front or side of the vehicle, deformation of the floor panel 10 is effectively suppressed, so that the safety of the occupant is increased. The bottom structure of the floor panel 10 and the side seal 20 is horizontally contacted to improve the sealing structure of the vehicle side seal and the floor to facilitate the sealing operation of the contact portion.

Description

자동차 사이드실과 플로어의 연결구조Connection structure of car side room and floor

제1도는 종래 자동차의 차체 저면부를 나타내는 단면도1 is a cross-sectional view showing the bottom of the body of the conventional vehicle

제2도는 본 발명의 차체 저면부를 나타내는 단면도2 is a cross-sectional view showing the vehicle body bottom part of the present invention.

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

10 : 플로어패널11 : 터널10 floor panel 11: tunnel

2 : 사이드프레임12 : 사이드실2: side frame 12: side seal

1 : 내측패널22 : 외측패널1: inner panel 22: outer panel

3 : 절곡부3: bend

본 발명은 자동차 플로어(floor)의 양 측부에 연결되는 사이드실(side sill)의 연결구조에 관한 것으로서, 특히 사이드실의 하단부가 플로어패널의 저면으로 연장되어 절곡된 폐단면 형상으로 결합되도록 하여, 강성이 향상되도록 하는 자동차 사이드실과 플로어의 연결구조에 관한 것이다.The present invention relates to a side sill connection structure connected to both sides of the vehicle floor (floor), in particular, so that the lower end of the side seal is extended to the bottom of the floor panel to be joined in a bent closed cross-sectional shape, It relates to a connection structure of the vehicle side seal and the floor to improve the rigidity.

종래, 자동차의 저면부 차체구조는 제 1도에 도시되는 바와 같이, 차량의 저면부를 형성하는 플로어패널(floor panel)(10)의 중심부에 상부로 돌출되는 터널(tunnel)(11)이 전후방향으로 형성되고, 플로어패널(10)의 횡방향으로 개단면으로 된 크로스멤버(cross member)(도시 생략)가 터널(11)을 횡단하여 횡방향으로 취부되며, 로어패널(10)의 저면에 개단면으로 된 서브프레임(sub frame)(12)이 개구부가 상부로 향하여 취부되고, 플로어패널(10)의 양 측단부에 폐단면의 사이드실(side sill)(20)의 내측면이 취부되어 있다.Conventionally, as shown in FIG. 1, a vehicle body structure of a bottom portion of a vehicle includes a tunnel 11 protruding upward in the center of a floor panel 10 forming a bottom portion of a vehicle. Cross member (not shown) formed in the cross-sectional direction of the floor panel 10 in the transverse direction is mounted in the transverse direction across the tunnel 11, and opened on the bottom of the lower panel 10. A subframe 12 having a cross section is mounted with the opening facing upward, and an inner surface of a side sill 20 of a closed section is mounted at both side ends of the floor panel 10. .

여기에서, 사이드실(20)은 절곡 형성된 내측패널(inner panel)(21)과 외측패널(outer panel)(22)이 소정 공간을 두고 폐단면으로 결합되어, 내측패널(21)의 하단 내측면에 끝이 절곡된 플로어패널(10)의 측단부가 결합되며, 크로스멤버의 측단부가 내측패널(21) 상부에 연결되어 있다.Here, the side chamber 20 is bent inner panel 21 and the outer panel 22 is coupled to the closed end with a predetermined space, the lower inner surface of the inner panel 21 The side end of the floor panel 10 bent at the end is coupled, and the side end of the cross member is connected to the upper portion of the inner panel 21.

이와같이 구성되는 종래 자동차의 저면부 차체구조는, 터널(11)과 서브프레임(1) 플로어패널(10)의 전후방향으로 작용되는 하중을 견디도록 전후방향의 강성을 높여 주고, 크로스멤버가 플로어패널(10)의 횡방향 강성을 높여 주어 횡방향으로 작용되는 하중을 견디도록 하며, 사이드실(20)이 차량의 측부에서 작용되는 충격하중에 대해 1차적으로 충격에너지를 흡수하고 완충하도록 되어 있다.The vehicle body structure of the bottom part of the conventional vehicle configured as described above increases the rigidity in the front and rear directions to withstand loads acting in the front and rear directions of the tunnel 11 and the subframe 1 and the floor panel 10, and the cross member is the floor panel. The lateral stiffness of (10) is increased to withstand the load acting in the lateral direction, and the side seal 20 primarily absorbs and buffers the impact energy against the impact load acting on the side of the vehicle.

그러나, 이러한 종래 자동차의 저면부 차체구조는, 측면부 충돌시 횡방향으로 작용되는 충격에너지를 사이드실(20)과 플로어패널(10)이 흡수하지만, 실내와 실외와의 간격이 전면부나 후면부에 비해 비교적 좁게 형성되기 때문에, 사이드실(20)이나 플로어패널(10)이 충격에너지를 효과적으로 흡수할 수 있도록 하고, 충돌차량 및 차체의 실내침입이 효과적으로 억제되도록 하는 구조가 요구되고 있다.However, in the vehicle body structure of the bottom part of the conventional vehicle, the side chamber 20 and the floor panel 10 absorb the impact energy acting in the lateral direction when the side part collides, but the distance between the interior and the exterior is greater than that of the front part or the rear part. Since the side chamber 20 and the floor panel 10 can absorb the impact energy effectively, since it is formed relatively narrowly, the structure which makes it possible to effectively suppress the invasion of the collision vehicle and the vehicle body indoors is calculated | required.

또다른 종래의 기술은 대한민국특허청 공개실용신안공보(공개번호;92-19542)호의 자동차의 측변씰보강구조에서 기재된 바 있으나, 내측패널이 절곡경사면이 완곡되어있어 이 내측패널에 접촉된 보강패널과 외측패널이 모두 완전 절곡되어 있어 외부의 충격이 가해질 경우 충격하중이 약한 문제점을 가지고 있다.Another conventional technique has been described in the side seal reinforcement structure of the automobile of Korea Patent Application Publication (Publication No. 92-19542), but the inner panel is bent inclined curved surface and the reinforcing panel in contact with the inner panel All of the outer panels are completely bent, so when the external impact is applied, the impact load is weak.

본 발명은 상기와 같은 요구에 따라 안출된 것으로서, 차량의 전방 또는 측부에서 충격하중이 작용하게 될 경우 플로어패널의 변형을 억제시켜 승원의 안전을 향상시키고, 플로어패널과 사이드실의 하단부를 수평하게 접촉시켜 접촉부의 시일작업이 용이하도록 하는데 있다.The present invention has been made in accordance with the requirements as described above, when the impact load acts on the front or side of the vehicle to suppress the deformation of the floor panel to improve the safety of the occupants, horizontally the lower end of the floor panel and side seal The contact is to facilitate the sealing work of the contact portion.

상기의 목적을 달성하기 위한 본 발명의 구성은 사이드실의 하단부가 플로어패널의 측단부 저면에 연장되어, 연장부가 폐단면을 형성하며 취부되도록 하므로, 플로어패널의 강성이 향상되어 전후방향 및 측방향의 하중에 대해 변형이 억제되도록 하는 자동차 사이드실과 플로어의 연결구조를 갖는다.According to the configuration of the present invention for achieving the above object, the lower end of the side seal is extended to the bottom surface of the side end of the floor panel, so that the extension portion is attached to form a closed cross section, the rigidity of the floor panel is improved to the front and rear and lateral direction It has a connection structure of the vehicle side seal and the floor so that deformation is suppressed with respect to the load.

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 저면부 차체구조도 제 2도에 도시되는 바와 같이, 차량의 저면부를 형성하는 플로어패널(10)의 상단면 중심부에 상부로 돌출되게 형성되는 터널(11)이 전후방향으로 연장되고, 플로어패널(10)의 횡방향으로 개단면으로 된 크로스멤버가 터널(11)을 횡단하여 횡방향으로 취부되며, 플로어패널(10)의 저면에 개단면으로 된 서브프레임(12)이 개구부가 상부로 향하여 취부되고, 내측패널(21)과 외측패널(22)이 폐단면으로 결합되는 사이드실(20)이 플로어패널(10)의 양측단부에 취부된다. 단, 본 발명은 사이드실(20)의 하단부가 절곡 연장되고, 연장부에 상부가 개구되고 사이드프레임(12)과 평행하게 전후방향으로 연장되는 절곡부(23)가 형성되어, 플로어패널(10)의 측단부 저면부에 절곡부(23) 및 연장부가 결합되고, 절곡부(23)가 플로어패널(10)에 폐단면을 형성함을 그 기술적 구성상의 기본 특징으로 한다. 또한, 본 발명은 플로어패널(10)의 끝단부와 내측패널(21)과 외측패널(22)의 이음부위를 경사면이 형성되도록 하여 외부의 충격에 의해 실내로 밀려 들어가는 것을 억제하도록 연결구성한다.As shown in FIG. 2 of the bottom part body structure of the present invention, the tunnel 11 protruding upward in the center of the upper end surface of the floor panel 10 forming the bottom part of the vehicle extends in the front-rear direction, A cross member having an open surface in the transverse direction of the floor panel 10 is mounted in the transverse direction across the tunnel 11, and the opening of the subframe 12 having an open surface in the bottom surface of the floor panel 10 is upper part. The side seal 20 is attached to both side ends of the floor panel 10, the side seals 20 of which are coupled to the side panel, and the inner panel 21 and the outer panel 22 are coupled to the closed end surface. However, in the present invention, the lower end portion of the side seal 20 is bent and extended, and the bent portion 23 extending in the front and rear direction in parallel with the side frame 12 is formed in the extension portion, and the floor panel 10 is formed. The bent part 23 and the extension part are coupled to the bottom end side of the side end part, and the bent part 23 forms a closed cross section in the floor panel 10. In addition, the present invention is configured to connect the end of the floor panel 10 and the joint portions of the inner panel 21 and the outer panel 22 so that the inclined surface is formed so as to suppress the entry into the room by an external impact.

이와같이 구성되는 본 발명은, 하단부가 연장되어 플로어패널(10)에 폐단면으로 취부되는 사이드실(20)의 절곡부(23)가 프레임 기능을 하므로 플로어패널(10)의 강성이 향상되도록 하여, 플로어패널(10)의 전후방향으로 작용되는 하중에 대한 반력이 증가되어 변형이 억제되도록 하고, 차량의 측면부 충돌시에 효과적으로 충격에너지를 흡수하고 차체가 실내쪽으로 변형되는 것을 억제하여 주게 된다.According to the present invention configured as described above, since the bent portion 23 of the side chamber 20 attached to the floor panel 10 with the closed end surface extends as a frame function, the rigidity of the floor panel 10 is improved. The reaction force with respect to the load acting in the front and rear direction of the floor panel 10 is increased to suppress deformation, and to effectively absorb the impact energy during the collision of the side of the vehicle and to suppress the deformation of the vehicle body toward the interior.

이러한 본 발명은 차량의 전방 또는 측부에서 충격하중이 작용되는 경우, 플로어패널(10)의 변형이 효과적으로 억제되도록 하여, 승원의 안전성이 향상되도록 하고, 플로어패널(10)과 사이드실(20)의 하단부가 수평하게 접촉되어 접촉부의 시일(seal)작업이 용이하도록 하는 장점이 있다.In the present invention, when the impact load is applied to the front or side of the vehicle, the deformation of the floor panel 10 is effectively suppressed, so that the safety of the occupant is improved, and the floor panel 10 and the side chamber 20 The lower end of the horizontal contact there is an advantage to facilitate the sealing (sealing) of the contact portion.

또한 사이드실(20)이 수평을 유지하고 있으며 동시에 외측패널(22)을 아래로 완곡시켜 내측패널(21)에 접촉연결하여 도어를 닫을 닿을 때에 도어의 돌출부위에 의해 외측패널(22)의 외주면이 손상되는 것을 억제하는 것이다.In addition, when the side seal 20 is kept horizontal and at the same time the outer panel 22 is bent downward to make contact with the inner panel 21 to close the door, the outer peripheral surface of the outer panel 22 is formed by the protruding portion of the door. It is to suppress the damage.

따라서, 본 발명은 플로어패널(10)의 끝단부가 경사면을 형성시키고, 그 저면에 절곡부(23)를 길게 연장하다가 플로어패널(10)의 경사면과 동일한 각도로 경사면을 이루면서 위로 길게 상승하여 절곡부(23)와 일체로 형성시킨 내측패널(21)을 연결하고, 상기 내측패널(21)의 경사면과 동일한 경사면을 이루면서 상단에 내측패널(21)과 융착시킴으로서 외부로부터 충격하중이 발생하면 경사면이 차실내로 전달하지 않도록 충격하중을 분사시키면서 흡수하는 것이다.Accordingly, in the present invention, the end of the floor panel 10 forms an inclined surface, and the bent portion 23 extends long on the bottom surface thereof, while the bent portion rises upward while forming an inclined surface at the same angle as the inclined surface of the floor panel 10. (23) is connected to the inner panel 21 formed integrally with each other, forming the same inclined surface as the inclined surface of the inner panel 21 and fused with the inner panel 21 at the upper end, when the impact load from the outside, the inclined surface is different Absorbs while spraying the impact load so as not to be transmitted to the room.

이상에서 살펴본 바와 같이, 본 발명은 사이드실의 하단부가 플로어패널의 측단부 저면에 연장되고, 연장된 부위가 폐단면을 형성하며 취부되어, 플로어패널의 변형을 억제하므로, 안전성이 향상되도록 하는 매우 유용한 것이다.As described above, in the present invention, the lower end of the side seal extends to the bottom of the side end of the floor panel, and the extended portion is attached to form a closed cross section, thereby suppressing deformation of the floor panel, thereby improving safety. It is useful.

Claims (1)

내측패널(21)과 외측패널(22)이 폐단면으로 결합되는 사이드실(20)이 차량의 저면부를 형성하는 플로어패널(10)의 측단부에 연결되는 것에 있어서, 상기 플로어패널(10)의 끝단을 일정한 각도로 경사면이 이루어지도록 절곡 형성하는 내측패널(21)의 저면에 폐단면을 형성시키기 위해 절곡시킨 복수개의 절곡부(23)를 연결하고, 상기 절곡부(23)와 일체 형성되어 플로어패널(10)의 경사면과 함께 경사를 이루면서 위로 길게 연장되도록 형성하는 내측패널(21)을 연결하고, 상기 내측패널(21)의 외측에 하단에는 경사부위에 동일한 경사면을 이루면서 완곡되면서 폐단면을 형성하고 상단에는 수평을 이루면서 내측패널(21)의 상단과 융착으로 접촉되는 사이드실(20)을 연결시키는 것을 특징으로 하는 자동차 사이드실과 플로어의 연결구조.In the side panel 20, in which the inner panel 21 and the outer panel 22 are coupled to the closed end surface, connected to the side end of the floor panel 10 forming the bottom of the vehicle, A plurality of bent portions 23, which are bent to form a closed end surface, are connected to the bottom of the inner panel 21, which is bent to form an inclined surface at a predetermined angle, and formed integrally with the bent portion 23. The inner panel 21 is formed to be inclined together with the inclined surface of the panel 10 so as to extend upwardly, and the closed end surface is formed while forming the same inclined surface on the lower portion of the inner panel 21 at the lower end thereof. And connected to the upper side of the vehicle side chamber and the floor, characterized in that horizontally connected to the upper side of the side chamber 20 in fusion contact with the upper end of the inner panel (21).
KR1019950029000A 1995-09-05 1995-09-05 The conneting structure between side sill and floor KR0135445B1 (en)

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KR1019950029000A KR0135445B1 (en) 1995-09-05 1995-09-05 The conneting structure between side sill and floor

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KR1019950029000A KR0135445B1 (en) 1995-09-05 1995-09-05 The conneting structure between side sill and floor

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KR0135445B1 true KR0135445B1 (en) 1998-04-25

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