KR20010048369A - Structure for fixing a rear frame - Google Patents

Structure for fixing a rear frame Download PDF

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Publication number
KR20010048369A
KR20010048369A KR1019990053043A KR19990053043A KR20010048369A KR 20010048369 A KR20010048369 A KR 20010048369A KR 1019990053043 A KR1019990053043 A KR 1019990053043A KR 19990053043 A KR19990053043 A KR 19990053043A KR 20010048369 A KR20010048369 A KR 20010048369A
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KR
South Korea
Prior art keywords
frame
floor panel
welded
rear floor
rear frame
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KR1019990053043A
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Korean (ko)
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KR100309574B1 (en
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김태훈
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류정열
기아자동차 주식회사
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Priority to KR1019990053043A priority Critical patent/KR100309574B1/en
Publication of KR20010048369A publication Critical patent/KR20010048369A/en
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Publication of KR100309574B1 publication Critical patent/KR100309574B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D27/00—Connections between superstructure or understructure sub-units
    • B62D27/02—Connections between superstructure or understructure sub-units rigid
    • 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
    • B62D25/20—Floors or bottom sub-units
    • B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
    • B62D25/2027—Floors or bottom sub-units in connection with other superstructure subunits the subunits being rear structures

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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: A mounting structure improves productivity and makes the volume of a fuel tank expandable. CONSTITUTION: The lower end of a first upper frame(11a) formed by being bent with multi-steps is welded onto the lower surface on both side ends of a rear floor panel(20). The upper end of a second upper frame with lower part bent to one side to be welded onto the bottom of the rear floor panel is welded onto the upper end of the first upper frame(11a). Both side ends of a lower frame(12) are welded onto the lower part of the second upper frame with the lower end welded onto the bottom surface of the rear floor panel(20) to have closed sectional surface so that a rear frame(10) is welded onto the upper part and the lower part of the both side ends of the rear floor panel(20) forming the rear part of a car to have closed sectional surface.

Description

리어프레임의 취부구조 {Structure for fixing a rear frame}Mounting structure for rear frame {Structure for fixing a rear frame}

본 발명은 리어프레임의 취부구조에 관한 것으로서, 더욱더 상세하게는 자동차의 후부에 설치되는 리어플로어판넬의 좌우 양측에 리어프레임을 견고히 용착시키는 것이 용이하게 이루어지도록 하는 리어프레임의 취부구조에 관한 것이다.The present invention relates to a mounting structure of the rear frame, and more particularly, to a mounting structure of the rear frame to facilitate the firm welding of the rear frame on both the left and right sides of the rear floor panel provided on the rear of the vehicle.

일반적으로 자동차의 후부에는 좌우 양측단부에는 상부리어프레임과 하부리어프레임으로 구성된 리어프레임이 폐단면으로 용착되어 있다.In general, a rear frame composed of an upper rear frame and a lower rear frame is welded to a closed section at both rear left and right ends of the vehicle.

여기에서 종래 리어프레임의 취부구조 도 1에 도시하고 있는 바와 같이, 리어플로어판넬(20')의 좌우 양측단부 저면에 좌우 양측단부가 상부로 절곡되어 형성된 상부리어프레임(11')을 폐단면으로 용착하고, 상기 상부리어프레임(11')의 저면에는 좌우 양측단부가 상부로 절곡형성된 하부리어프레임(12')을 폐단면을 갖도록 용착하고 있다.Here, the conventional rear frame mounting structure as shown in Fig. 1, the upper rear frame 11 'formed by bending the left and right both ends upward on the bottom left and right ends of the rear floor panel 20' as the closed end surface. The lower rear frame 12 'is formed on the bottom surface of the upper rear frame 11' such that the lower rear frame 12 'is formed to have a closed cross section.

이러한 종래 리어프레임의 취부구조는 차량의 후부를 형성하는 리어플로어판넬(20')의 좌우 양측단부에 상부리어프레임(11')이 폐단면을 갖으며 용착되고, 상기 상부리어프레임(11')의 저면에는 하부리어프레임(12')이 별도의 폐단면을 갖도록 용착되는 것에 의해 차량을 운행중 차량의 후부로 충돌사고가 발생하는 경우에도, 상기 상부리어프레임(11')과 하부리어프레임(12')에 형성된 폐단면내에서 충격에너지가 순차적으로 흡수된 후 리어플로어판넬(20')을 통해 폭넓게 분산시키고 있다.In the conventional rear frame mounting structure, the upper rear frame 11 'is welded to the left and right both ends of the rear floor panel 20' forming the rear part of the vehicle and has a closed cross section, and the upper rear frame 11 'is welded. When the lower rear frame 12 'is welded to have a separate closed cross section, the upper rear frame 11' and the lower rear frame 12 are driven even when a collision accident occurs in the rear of the vehicle while the vehicle is being driven. After the impact energy is sequentially absorbed in the closed cross section formed at '), it is widely dispersed through the rear floor panel 20'.

그러나 이러한 종래 리어프레임의 취부구조 상부리어프레임(11')의 좌우 양측부를 상부로 동일한 길이로 절곡시킨 후 차량의 후부를 형성하는 리어플로어판넬(20')의 저면에 폐단면을 갖도록 용착시키고, 상기 리어플로어판넬(20')에 용착된 상부리어프레임(11')의 저면에는 좌우 양측단부가 상부로 절곡형성된 하부리어프레임(12')을 폐단면을 갖도록 용착시켜야 시켜야 함으로서, 차량을 제작시 작업성이 증가하여 조립성이 저하되는 문제점이 있었다.However, after bending the left and right sides of the conventional rear frame mounting structure of the upper rear frame (11 ') to the same length to the upper and welded so as to have a closed section on the bottom of the rear floor panel (20') forming the rear of the vehicle, On the bottom of the upper rear frame 11 ′ welded to the rear floor panel 20 ′, the lower rear frame 12 ′ having left and right end portions bent upwards should be welded to have a closed cross section. There was a problem that the workability is increased and the assemblyability is lowered.

한편, 종래에는 차량의 후부를 형성하는 리어플로어판넬(20')의 저면 좌우 양측에 상부리어프레임(11')과 하부리어프레임(12')이 용착되는 관계로, 차량을 운행시 필요한 연료를 보관하는 연료탱크(30')를 상기 리어플로어판넬(20')의 저면에만 설치하여야 함으로서, 상기 연료탱크(30')의 용량을 확대시켜 차량을 운행시 여유있게 연료를 보관해가면서 운행하는 것이 불가능하게 되는 문제점이 있었다.Meanwhile, in the related art, the upper rear frame 11 'and the lower rear frame 12' are welded to the left and right sides of the bottom of the rear floor panel 20 'forming the rear part of the vehicle, so that fuel required for driving the vehicle is Since the fuel tank 30 'to be stored should be installed only at the bottom of the rear floor panel 20', the fuel tank 30 'can be expanded while the fuel tank 30' is operated while the fuel is being stored. There was a problem that became impossible.

본 발명의 목적은 상기 종래와 같은 문제점을 해결하기 위해, 리어플러어판넬의 좌우 양측단부 상부면에 다단으로 절곡 형성된 제1상부프레임의 하단부를 용착하고, 상기 제1상부프레임의 상단부에는 하단부가 리어플로어판넬의 저면에 용착되도록 일측으로 절곡형성된 제2상부프레임의 상단부를 용착하며, 상기 제2상부프레임의 하부에는 하부프레임의 좌우 양측단부가 폐단면을 갖도록 용착시키는 것에 의해 리어플로어판넬의 좌우 양측단부에 각기 폐단면이 형성됨으로서, 차량을 제작시 상기 리어플로어판넬에 리어플레임을 폐단면을 갖도록 용착시키는 것이 용이하게 이루어지게되어 작업성이 향상됨은 물론, 상기 제1상부리어프레임과 제2상부리어프레임이 용착된 리어플로어판넬의 상부면에 연료탱크를 설치하여 연료탱크의 용량이 확대되도록 함으로서, 차량을 운행시 필요로하는 연료를 여유있게 연료탱크에 연료를 보관해가면서 운행이 이루어지도록 하는 리어프레임의 취부구조를 제공하는 데 있다.An object of the present invention is to solve the same problem as the conventional, welding the lower end of the first upper frame formed in multiple stages bent in the upper surface of the left and right both ends of the rear plug panel, the lower end portion on the upper end of the first upper frame The upper end of the second upper frame bent to one side to be welded to the bottom of the rear floor panel is welded, and the lower left and right sides of the rear floor panel by welding the lower left and right ends of the lower frame to have a closed cross section. Each closed end surface is formed at both ends, so that it is easy to weld the rear plane to the rear floor panel when manufacturing the vehicle to have a closed end surface, thereby improving workability as well as the first upper rear frame and the second. The capacity of the fuel tank can be increased by installing a fuel tank on the upper surface of the rear floor panel on which the upper rear frame is welded. By Rock, and it is going to allow free fuel during operation that requires the vehicle to keep the fuel in the fuel tank provides a mounting structure of the rear frame such that operation takes place.

도 1은 종래 리어프레임의 취부구조를 보인 단면도1 is a cross-sectional view showing a mounting structure of a conventional rear frame

도 2는 본 발명인 리어프레임의 취부구조를 보인 단면도Figure 2 is a cross-sectional view showing the mounting structure of the present inventors rear frame

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10 : 리어프레임 11a: 제1상부프레임10: rear frame 11a: first upper frame

11b: 제2상부프레임 12 : 하부프레임11b: second upper frame 12: lower frame

20 : 리어플로어판넬 30 : 연료탱크20: rear floor panel 30: fuel tank

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

본 발명의 리어프레임의 취부구조도 도 2에 도시하고 있는 바와 같이, 차량의 후부를 형성하는 리어플로어판넬(20)의 좌우 양측단부에 폐단면으로 리어프레임(10)이 용착되는 것은 종래와 같다. 단, 본 발명은 리어플로어판넬(20)의 좌우 양측단부 상부면에 다단으로 절곡 형성된 제1상부프레임(11a)의 하단부가 용착되고, 상기 제1상부프레임(11a)의 상단부에는 리어플로어판넬(20)의 저면에 하단부가 용착되도록 하부가 일측으로 절곡형성된 제2상부프레임(11b)의 상단부가 용착되며, 상기 리어플로어판넬(20)의 저면에 하단부가 용착된 제2상부프레임(11b)의 하부에는 하부프레임(12)의 좌우 양측단부가 폐단면을 갖도록 용착됨을 그 기술적 구성상의 기본 특징으로 한다.As shown in FIG. 2, the rear frame 10 is welded to the left and right end portions of the rear floor panel 20 forming the rear portion of the vehicle in a closed end surface in the same manner as in the prior art. . However, the present invention is welded to the lower end of the first upper frame (11a) bent in multiple stages on the left and right upper end of the rear floor panel 20, the rear floor panel (11a) on the upper end of the first upper frame (11a) The upper end of the second upper frame 11b having the lower portion bent to one side is welded so that the lower end is welded to the lower surface of 20), and the lower upper portion of the second upper frame 11b having the lower end welded to the bottom of the rear floor panel 20. The lower and left both ends of the lower frame 12 is welded to have a closed cross section as a basic feature of the technical configuration.

이와같이 구성되는 본 발명은 차량의 후부를 형성하는 리어플로어판넬(20)의 좌우 양측상부에 제1상부프레임(11a)과 제2상부프레임(11b)이 폐단면으로 용착되고, 상기 리어플로어판넬(20)의 저면에는 제2상부프레임(11b)의 하부에 하부프레임(12)의 좌우 양측단부가 용착되는 것에 의해 폐단면이 형성된다.According to the present invention configured as described above, the first upper frame 11a and the second upper frame 11b are welded to a closed end surface on both left and right upper sides of the rear floor panel 20 forming the rear part of the vehicle, and the rear floor panel ( A closed end surface is formed on the bottom of the bottom surface 20 by welding both left and right end portions of the lower frame 12 to the lower portion of the second upper frame 11b.

한편, 상기 제1상부프레임(11a)과 제2상부프레임(11b)이 좌우 양측단부에 폐단면으로 용착된 리어플로어판넬(20)의 상부에는 차량을 운행시 필요한 연료를 보관하는 연료탱크(30)가 설치된다.On the other hand, the fuel tank 30 for storing the fuel required for driving the vehicle on the upper portion of the rear floor panel 20 in which the first upper frame 11a and the second upper frame 11b are welded to the left and right end portions at closed ends. ) Is installed.

따라서 이러한 본 고안은 차량의 후부를 형성하는 리어플로어판넬(20)의 좌우 양측단부 상하부에 각기 리어프레임(10)이 폐단면으로 용착되는 것에 의해 리어플로어판넬(20)의 상부에 연료탱크(30)가 설치됨으로서, 차량을 운행중 필요한 연료를 충분히 보관하기 위해 연료탱크의 용량을 확대시키는 것이 용이하게 이루어지게 됨은 물론, 차량을 제작시 작업성을 저감시켜 차량의 제작성이 향상되도록 하는 효과가 있다.Therefore, the present invention is the fuel tank 30 in the upper portion of the rear floor panel 20 by welding the rear frame 10 to the closed end of the upper and lower left and right both ends of the rear floor panel 20 forming the rear of the vehicle. ), The capacity of the fuel tank can be easily enlarged to sufficiently store fuel required while the vehicle is in operation, and the workability of the vehicle can be reduced to improve the manufacturability of the vehicle. .

이상에서 살펴본 바와 같이 본 발명은, 리어플러어판넬의 좌우 양측단부 상부면에 다단으로 절곡 형성된 제1상부프레임의 하단부를 용착하고, 상기 제1상부프레임의 상단부에는 하단부가 리어플로어판넬의 저면에 용착되도록 일측으로 절곡형성된 제2상부프레임의 상단부를 용착하며, 상기 제2상부프레임의 하부에는 하부프레임의 좌우 양측단부가 폐단면을 갖도록 용착시키는 것에 의해 리어플로어판넬의 좌우 양측단부에 각기 폐단면이 형성됨으로서, 차량을 제작시 상기 리어플로어판넬에 리어플레임을 폐단면을 갖도록 용착시키는 것이 용이하게 이루어지게되어 작업성이 향상됨은 물론, 상기 제1상부리어프레임과 제2상부리어프레임이 용착된 리어플로어판넬의 상부면에 연료탱크를 설치하여 연료탱크의 용량이 확대되도록 함으로서, 차량을 운행시 필요로하는 연료를 여유있게 연료탱크에 연료를 보관해가면서 운행이 이루어지도록 하는 매우 유용한 발명이다.As described above, the present invention welds the lower end of the first upper frame which is bent in multiple stages to the upper and lower left and right end surfaces of the rear floor panel, and the lower end of the first upper frame is connected to the bottom of the rear floor panel. The upper end portion of the second upper frame bent to one side to be welded is welded, and the lower end of the second upper frame is welded so that both left and right end portions of the lower frame have a closed end surface, respectively, at the left and right end portions of the rear floor panel. As it is formed, it is easy to weld the rear frame to the rear floor panel having a closed cross section when manufacturing a vehicle, thereby improving workability, and of course, the first upper rear frame and the second upper rear frame are welded. By installing a fuel tank on the upper surface of the rear floor panel to increase the capacity of the fuel tank, Going to make extra fuel they need quatrains keep the fuel in the fuel tank is a very useful invention so that operation can be made.

Claims (1)

차량의 후부를 형성하는 리어플로어판넬(20)의 좌우 양측단부에 폐단면으로 리어프레임(10)이 용착되는 것에 있어서, 상기 리어플로어판넬(20)의 좌우 양측단부 상부면에 다단으로 절곡 형성된 제1상부프레임(11a)의 하단부가 용착되고, 상기 제1상부프레임(11a)의 상단부에는 리어플로어판넬(20)의 저면에 하단부가 용착되도록 하부가 일측으로 절곡형성된 제2상부프레임(11b)의 상단부가 용착되며, 상기 리어플로어판넬(20)의 저면에 하단부가 용착된 제2상부프레임(11b)의 하부에는 하부프레임(12)의 좌우 양측단부가 폐단면을 갖도록 용착됨을 특징으로 하는 리어프레임의 취부구조.In the case where the rear frame 10 is welded to the left and right both ends of the rear floor panel 20 forming the rear part of the vehicle in a closed section, the second frame is bent in multiple stages on the upper left and right sides of the rear floor panel 20. A lower end of the first upper frame 11a is welded, and a lower end of the second upper frame 11b is bent to one side so that the lower end is welded to the bottom of the rear floor panel 20 at the upper end of the first upper frame 11a. The upper frame is welded, and the rear frame, characterized in that the left and right both ends of the lower frame 12 is welded to have a closed cross section at the bottom of the second upper frame (11b), the lower end is welded to the bottom of the rear floor panel 20 Mounting structure.
KR1019990053043A 1999-11-26 1999-11-26 Structure for fixing a rear frame KR100309574B1 (en)

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KR970035725A (en) * 1995-12-30 1997-07-22 한승준 Fuel tank fixing structure of car

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