KR20040041797A - Structure of rear seatback-frame for improving stiffness - Google Patents

Structure of rear seatback-frame for improving stiffness Download PDF

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Publication number
KR20040041797A
KR20040041797A KR1020020069674A KR20020069674A KR20040041797A KR 20040041797 A KR20040041797 A KR 20040041797A KR 1020020069674 A KR1020020069674 A KR 1020020069674A KR 20020069674 A KR20020069674 A KR 20020069674A KR 20040041797 A KR20040041797 A KR 20040041797A
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KR
South Korea
Prior art keywords
frame
seat
seat back
back panel
welding
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Application number
KR1020020069674A
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Korean (ko)
Inventor
이창훈
김기창
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현대자동차주식회사
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Priority to KR1020020069674A priority Critical patent/KR20040041797A/en
Publication of KR20040041797A publication Critical patent/KR20040041797A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68Seat frames
    • B60N2/686Panel like structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/4207Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces
    • B60N2/4214Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces longitudinal
    • B60N2/4228Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces longitudinal due to impact coming from the rear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68Seat frames
    • B60N2/682Joining means

Abstract

PURPOSE: A structure for a frame of a rear seat for increasing stiffness is provided to prevent injury of the passenger in the rear seat by increasing the strength of the seat back with bonding the back panel to the seat back frame through spot-welding, and to increase the productivity by reducing welding process. CONSTITUTION: A frame of a rear seat is composed of a seat back frame(10) fixed by bonding, and a back panel(11) fastened to the seat back frame with welding. The rectangular seat back frame is formed, and the back panel is integrally formed to the front of the seat back frame with welding. The back panel is protruded in the front of the rear seat through forming process. The seat back frame is bonded and fixed to the back panel with spot-welding. The effective height of the frame structure is increased against deformation at a rear-end collision with the rectangular section between the seat back frame and the back panel, and bending stiffness is increased.

Description

강성 증대용 리어 시트의 프레임 구조{Structure of rear seatback-frame for improving stiffness}Structure of rear seatback-frame for improving stiffness}

본 발명은 강성 증대용 리어 시트의 프레임 구조에 관한 것으로서, 더욱 상세하게는 후방 충돌사고 시에 트렁크 화물로 인한 가격으로 뒷좌석 승객이 상해를 입는 바, 백패널과 시트백 프레임으로 이루어지는 시트백의 강성을 향상시키기 위해 상기 백패널에 포밍(forming)을 주는 동시에 상기 시트백 프레임을 사각형 형상의 멤버 타입 구조로 형성하고, 상기 백패널과 시트백 프레임을 점용접함으로써, 기존의 원형 파이프 형상의 시트백 프레임에 비해 굽힘강성을 향상시켜 탑승자의 안전을 도모하는 한편, 기존의 CO2용접으로 인해 발생하는 백패널의 구멍발생을 방지하고, 그로인한 용접공정 시간을 줄여 생산성을 향상시킬 수 있는 강성 증대용 리어 시트의 프레임 구조에 관한 것이다.The present invention relates to a frame structure of a rear seat for increasing rigidity, and more particularly, to improve the rigidity of a seat back consisting of a back panel and a seat back frame in which a rear seat passenger is injured at a price due to a luggage load in a rear collision accident. In order to form the back panel, the seat back frame is formed into a rectangular member type structure, and the back panel and the seat back frame are spot welded to improve bending stiffness, compared to a conventional circular pipe-shaped seat back frame. The present invention relates to a frame structure of a rear seat for increasing rigidity, which can improve occupant safety while preventing hole generation of a back panel caused by conventional CO 2 welding, and thereby reducing productivity of welding processes.

일반적으로, 시트는 프론트 시트와 리어시트로 이루어져 있는데, 프론티 시트는 주로 분리식을 채용하는 반면, 리어시트는 2개의 좌석이 일체로 결합된 벤치식을 주로 사용하고 있다.In general, the seat consists of a front seat and a rear seat. The front seat mainly adopts a detachable type, while the rear seat mainly uses a bench type in which two seats are integrally combined.

상기 리어 시트는 도 2에 도시된 바와 같이, 시트백 프레임(100)과 백패널(back pannel)(110)으로 구성되어 있으며, 상기 백패널(110)과 시트백 프레임(100)을 서로 CO2용접을 이용하여 결합한다.As shown in FIG. 2, the rear seat includes a seat back frame 100 and a back panel 110, and the back panel 110 and the seat back frame 100 are connected to each other using CO 2 welding. To combine.

그런데, 종래의 리어 시트의 백패널(110)과 시트백 프레임(100)은 용접 시, 상기 백패널(110)이 얇은 동시에 용접특성 상, 구멍이 발생하게 되며, 그로인해 용접공정 시간이 늘어나 결과적으로 생산성을 저하시키게 되는 문제점이 있다.However, when the back panel 110 and the seat back frame 100 of the conventional rear seat are welded, the back panel 110 is thin and at the same time a hole is generated due to the welding characteristics, thereby increasing the welding process time and consequently increasing productivity. There is a problem that is reduced.

또한, 상기 시트백 프레임(100)의 단면이 원형 파이프 형상으로 되어 있어 임의의 단면 사용에 어려움이 있다.In addition, since the cross section of the seat back frame 100 has a circular pipe shape, there is a difficulty in using any cross section.

따라서, 본 발명은 상기와 같은 문제점을 해결하기 위해 안출한 것으로서, 후방 충돌사고 시에 트렁크 화물로 인한 가격으로 뒷좌석 승객이 상해를 입는 바, 백패널과 시트백 프레임으로 이루어지는 시트백의 강성을 향상시키기 위해 상기 백패널에 포밍(forming)을 주는 동시에 상기 시트백 프레임을 사각형 형상의 멤버 타입 구조로 형성하고, 상기 백패널과 시트백 프레임을 점용접함으로써, 기존의 원형 파이프 형상의 시트백 프레임에 비해 굽힘강성을 향상시켜 탑승자의 안전을 도모하는 한편, 기존의 CO2용접으로 인해 발생하는 백패널의 구멍발생을 방지하고, 그로인한 용접공정 시간을 줄여 생산성을 향상시킬 수 있는 강성 증대용 리어 시트의 프레임 구조를 제공하는데 그 목적이 있다.Therefore, the present invention has been made in order to solve the above problems, the rear passengers are injured at the price due to the luggage luggage in the rear collision accident bar, to improve the rigidity of the seat back consisting of the back panel and the seat back frame By forming the back panel and forming the seat back frame in a rectangular member type structure, and spot welding the back panel and the seat back frame, the bending rigidity is improved compared to the conventional round pipe-shaped seat back frame. In addition to providing safety, the frame structure of the rear seat for increasing rigidity can prevent the back panel hole generated by the existing CO 2 welding and improve the productivity by reducing the welding process time. have.

도 1은 본 발명에 따른 강성 증대용 리어 시트의 프레임 구조를 나타내는 단면도,1 is a cross-sectional view showing a frame structure of a rear seat for increasing rigidity according to the present invention;

도 2는 종래의 리어 시트의 프레임 구조를 나타내는 단면도,2 is a cross-sectional view showing a frame structure of a conventional rear seat;

도 3은 최대 변형 시의 시트 변형 형상 및 법규 기준선을 나타내는 도면이다.3 is a view showing a sheet deformation shape and a law reference line at the time of maximum deformation.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10 : 시트백 프레임 11 : 백패널(back pannel)10: seat back frame 11: back panel

이하, 상기와 같은 목적을 달성하기 위한 본 발명의 특징에 대해 설명하면 다음과 같다.Hereinafter, the features of the present invention for achieving the above object are as follows.

본 발명은 융착 고정되는 시트백 프레임과 백패널로 이루어진 리어 시트의 프레임 구조에 있어서,The present invention provides a frame structure of a rear seat composed of a seat back frame and a back panel that are fusion-fixed,

시트백 프레임(10)은 사각 형상의 멤버 타입 구조로 형성되고, 상기 시트백 프레임(10)의 전방에 일체로 용접가공되는 백패널(11)에 전방으로 돌출되는 일정 높이를 갖는 포밍(forming)이 적용된 것을 특징으로 한다.The seat back frame 10 is formed in a rectangular member type structure, and a forming having a predetermined height protruding forward is applied to the back panel 11 integrally welded to the front of the seat back frame 10. It features.

특히, 상기 용접가공 방식은 점용접 방식인 것을 특징으로 한다.In particular, the welding method is characterized in that the spot welding method.

이하, 첨부도면을 참조하여 본 발명의 구성에 대해 상세하게 설명하면 다음과 같다.Hereinafter, the configuration of the present invention with reference to the accompanying drawings in detail.

도 3은 최대 변형 시의 시트 변형 형상 및 법규 기준선을 나타내는 도면이고, 표 1은 상기 첨부도면에 따른 개선 사양의 해석 결과를 나타내는 것으로서, 표 1에 나타낸 바와 같이, 후방 충돌사고 시에 트렁크 화물로 인한 시트백의 가격으로 변형이 일어나게 될 시, 변형 과다 부위인 시트백의 법규 기준을 만족하기 위해서는 시트백 프레임을 보강하거나 플로워에 브라켓을 추가하여 국부적인 강성을 보강하는 것이 필요하다.3 is a view showing the sheet deformation shape and the legal reference line at the maximum deformation, Table 1 shows the analysis results of the improved specification according to the accompanying drawings, as shown in Table 1, trunk cargo road at the time of the rear collision accident When the deformation occurs due to the price of the seatback, it is necessary to reinforce the local rigidity by reinforcing the seatback frame or adding a bracket to the floor in order to satisfy the statutory standards of the seatback, which is excessive deformation.

따라서, 본 발명은 시트백 프레임(10)과, 시트백 프레임(10)에 융착 고정되는 백패널(11)의 용접 특성과, 상기 시트백 프레임(10)의 형상을 달리하여 법규 기준을 만족하기 위한 발명인 것이다.Therefore, the present invention is an invention for satisfying a legal standard by varying the welding characteristics of the seat back frame 10, the back panel 11 fusion-fixed to the seat back frame 10, and the shape of the seat back frame 10.

도 1은 본 발명에 따른 강성 증대용 리어 시트의 프레임 구조를 나타내는 단면도로서, 도 1에 도시된 바와 같이, 본 발명에 따른 리어시트의 프레임 조립 구조는 시트백 프레임(10)의 전방에 용접가공되는 백패널(11)에 포밍(forming)을 적용하는 바, 상기 포밍은 일정 높이를 갖도록 리어시트의 전방으로 돌출되게 형성되어 있다.1 is a cross-sectional view showing a frame structure of the rear seat for increasing rigidity according to the present invention. As shown in FIG. 1, the frame assembly structure of the rear seat according to the present invention is welded to the front of the seat back frame 10. Forming is applied to the back panel 11, and the forming is formed to protrude forward of the rear seat to have a predetermined height.

또한, 상기 시트백 프레임(10)은 사각 형상의 멤버 타입 구조로 형성되어 있으며, 상기 포밍부분에 점용접 방식을 이용하여 융착 고정되어 있다.In addition, the seat back frame 10 is formed in a rectangular member type structure, and is fixed to the forming portion by fusion welding using a spot welding method.

따라서, 상기 프레임 구조는 기존 대비, 그 단면이 시트백 프레임(10)과 백패널(11)이 결합된 직사각형 형상으로 충돌로 인한 변형에 대해, 프레임 구조의 유효 높이가 증가되므로 굽힘 강성이 향상될 수 있도록 되어 있는 한편, 원형 파이프로 된 기존의 시트백 프레임 구조와 같이, 개선이 어려운 단면을 임의로 변형할 수 있기 때문에 중량 절감을 이룰 수 있도록 되어 있다.Therefore, the frame structure has a rectangular shape in which its cross section is combined with the seat back frame 10 and the back panel 11 in comparison with the existing one, so that the effective height of the frame structure is increased, so that bending rigidity can be improved. On the other hand, as in the conventional seatback frame structure of a circular pipe, it is possible to arbitrarily deform the cross section which is difficult to improve, so that weight reduction can be achieved.

상술한 바와 같이, 본 발명에 따른 강성 증대용 리어 시트의 프레임 구조는 기존의 원형 파이프 형상의 시트백 프레임에 비해 굽힘강성을 향상시켜 탑승자의 안전을 도모하는 한편, 기존의 CO2용접으로 인해 발생하는 백패널의 구멍발생을 방지하고, 그로인한 용접공정 시간을 줄여 생산성을 향상시킬 수 있는 효과가 있다.As described above, the frame structure of the rear seat for stiffness increase according to the present invention improves the bending rigidity compared to the conventional seat back frame of the circular pipe shape to improve the safety of the occupants, while being generated due to the conventional CO 2 welding It is possible to prevent the occurrence of holes in the back panel, thereby reducing the welding process time, thereby improving productivity.

Claims (2)

융착 고정되는 시트백 프레임과 백패널로 이루어진 리어 시트의 프레임 구조에 있어서,In the frame structure of the rear seat consisting of a seat back frame and a back panel to be fused and fixed, 시트백 프레임(10)은 사각 형상의 멤버 타입 구조로 형성되고, 상기 시트백 프레임(10)의 전방에 일체로 용접가공되는 백패널(11)에 전방으로 돌출되는 일정 높이를 갖는 포밍(forming)이 적용된 것을 특징으로 하는 강성 증대용 리어 시트의 프레임 구조.The seat back frame 10 is formed in a rectangular member type structure, and a forming having a predetermined height protruding forward is applied to the back panel 11 integrally welded to the front of the seat back frame 10. The frame structure of the rear seat for rigidity increase. 제1항에 있어서, 상기 용접가공 방식은 점용접 방식인 것을 특징으로 하는 강성 증대용 리어 시트의 프레임 구조.The frame structure of the rear seat for increasing rigidity according to claim 1, wherein the welding method is a spot welding method.
KR1020020069674A 2002-11-11 2002-11-11 Structure of rear seatback-frame for improving stiffness KR20040041797A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101367204B1 (en) * 2010-07-30 2014-02-25 니혼 테크니카 가부시키가이샤 Supporting structure of headrest bracket

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0478730A (en) * 1990-07-20 1992-03-12 Toyota Motor Corp Rear sheet back mounting structure of vehicle
WO1999047379A1 (en) * 1998-03-17 1999-09-23 Accra Teknik Ab Frame for a vehicle seat
KR20030060643A (en) * 2002-01-10 2003-07-16 현대자동차주식회사 Seat back frame of rear seat for vehicle
KR20030062631A (en) * 2002-01-18 2003-07-28 현대자동차주식회사 Aluminum seat frame for an automobile
KR100422694B1 (en) * 2000-12-19 2004-03-12 현대자동차주식회사 Structure for fixing a seat back to a seat back frame

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0478730A (en) * 1990-07-20 1992-03-12 Toyota Motor Corp Rear sheet back mounting structure of vehicle
WO1999047379A1 (en) * 1998-03-17 1999-09-23 Accra Teknik Ab Frame for a vehicle seat
KR100422694B1 (en) * 2000-12-19 2004-03-12 현대자동차주식회사 Structure for fixing a seat back to a seat back frame
KR20030060643A (en) * 2002-01-10 2003-07-16 현대자동차주식회사 Seat back frame of rear seat for vehicle
KR20030062631A (en) * 2002-01-18 2003-07-28 현대자동차주식회사 Aluminum seat frame for an automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101367204B1 (en) * 2010-07-30 2014-02-25 니혼 테크니카 가부시키가이샤 Supporting structure of headrest bracket

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