KR101405033B1 - Roof Reinforcing Structure of Car - Google Patents

Roof Reinforcing Structure of Car Download PDF

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KR101405033B1
KR101405033B1 KR1020080046920A KR20080046920A KR101405033B1 KR 101405033 B1 KR101405033 B1 KR 101405033B1 KR 1020080046920 A KR1020080046920 A KR 1020080046920A KR 20080046920 A KR20080046920 A KR 20080046920A KR 101405033 B1 KR101405033 B1 KR 101405033B1
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roof panel
rail
roof
loop
reinforcement structure
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KR20090120881A (en
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김동탁
남재윤
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현대자동차 주식회사
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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
    • B62D25/06—Fixed roofs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • B60R13/0212—Roof or head liners
    • B60R13/0218—Roof or head liners supported by adhesion with the roof panel
    • 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
    • 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)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

본 발명은 자동차의 루프 보강구조에 관한 것으로서, 더욱 상세하게는 프런트레일과 리어레일을 벤딩 형태로 루프패널과 일체화하여 루프 강성 및 정도를 향상시킬 수 있는 루프 보강구조에 관한 것이다.

본 발명에 따른 자동차의 루프 보강구조는, 차체의 천정을 이루는 루프패널과, 상기 루프패널을 보강하기 위해 상기 루프패널의 하부에 소정간격으로 배치되는 루프레일로 이루어지는 자동차의 루프 보강구조에 있어서;

상기 루프패널의 전후 양단부에서 내측으로 벤딩 연장되고 그 연장된 단부가 루프패널의 하부에 마스틱 실러에 의해 접착되어, 상기 루프레일과 폐단면을 이루는 프런트레일과 리어레일이 루프패널에 일체로 형성되는 것을 특징으로 한다.

Figure 112008035888790-pat00001

루프, 보강구조, 루프패널, 일체화, 포밍.

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a loop reinforcement structure of an automobile, and more particularly, to a loop reinforcement structure capable of improving loop stiffness and accuracy by integrating a front rail and a rear rail together with a roof panel in a bending form.

A loop reinforcement structure for an automobile according to the present invention is a loop reinforcement structure for an automobile comprising a roof panel constituting a ceiling of a vehicle body and a roof rail arranged at a predetermined interval below the roof panel for reinforcing the roof panel,

A front rail and a rear rail which are bent and extend inward from both front and rear ends of the roof panel and are joined to each other by a mastic seal on a lower portion of the roof panel, .

Figure 112008035888790-pat00001

Loop, reinforced structure, roof panel, integral, foaming.

Description

자동차의 루프 보강구조 {Roof Reinforcing Structure of Car}Roof Reinforcing Structure of Car [0002]

본 발명은 자동차의 루프 보강구조에 관한 것으로서, 더욱 상세하게는 프런트레일과 리어레일을 벤딩 형태로 루프패널과 일체화하여 루프 강성 및 정도를 향상시킬 수 있는 루프 보강구조에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a loop reinforcement structure of an automobile, and more particularly, to a loop reinforcement structure capable of improving loop stiffness and accuracy by integrating a front rail and a rear rail together with a roof panel in a bending form.

자동차는 기관과 프레임을 비롯하여 자동차의 주행에 필요한 모든 구성 장치를 포함하는 섀시(chassis)와, 이 섀시 위에 설치되어 자동차의 외형을 이루는 부분이며, 기관이 설치되는 기관실, 사람이 탑승하는 차실 및 화물을 수납하는 트렁크실 또는 화물실 등을 포함하는 차체(body)로 크게 구성된다.The automobile includes a chassis including an engine and a frame as well as all the components necessary for driving the automobile, and an exterior part of the automobile installed on the chassis. The automobile includes an engine room in which the engine is installed, And a body including a cargo room or the like.

이 차체는 사람이 탑승하는 차실의 경우 바닥을 이루는 플로어(floor), 천정을 이루는 루프 조립체(roof assembly), 엔진룸과 차실을 구획하는 카울 패널(cowl panel), 차실을 개폐하는 도어 및 루프와 플로어를 연결하는 다수의 필라(pillar)로 이루어진다.The vehicle body includes a floor forming a floor for a passenger cabin, a roof assembly forming a ceiling, a cowl panel for partitioning an engine room and a vehicle compartment, a door and a roof opening and closing the vehicle, And a plurality of pillars connecting the floors.

자동차의 루프 부위는 차체 사이드 부위를 연결하고, 자동차 전체 골격을 유지하는 중요한 부위로서, 루프패널만으로 차체 사이드 부분을 지지하고 외적 충격에 견디기 어려워 루프패널의 하부에는 루프패널을 지지하기 위한 골격이 되는 루 프레일이 설치된다.The roof part of the car connects the side of the car body and is an important part for maintaining the entire skeleton of the car. It is difficult to withstand external shocks by supporting the side part of the car with only the roof panel. A loofale is installed.

상기 루프레일은 차축 방향으로 길게 배치되면서 차체 길이방향을 따라 소정간격으로 이격되게 설치되고, 센터레일 2개와 프런트레일 및 리어레일 1개로 이루어져, 루프패널에 스폿 용접 및 마스틱 실러에 의해 조립된다.The roof rails are spaced apart from each other by a predetermined distance along the longitudinal direction of the car body while being long in the direction of the axle, and are formed of two center rails, a front rail and a rear rail, and are assembled to the roof panel by spot welding and a mastic sealer.

이를 도 1과 도 2를 참고로 하여 상세히 설명하면 다음과 같다.This will be described in detail with reference to FIGS. 1 and 2. FIG.

도 1a와 도 1b는 종래 루프의 조립 방법을 설명하기 위한 도면이고, 도 2a와 도 2b는 도 1b의 A-A선과 B-B선의 단면도이다.1A and 1B are views for explaining a conventional method of assembling a loop, and FIGS. 2A and 2B are cross-sectional views taken along line A-A and line B-B in FIG. 1B.

2개의 센터레일(2,3)과 루프패널(1) 사이에 마스틱 실러(미도시)를 도포하여 루프패널(1)의 센터 하부에 2개의 센터레일(2,3)을 접착한다.A mastic sealer (not shown) is applied between the two center rails 2 and 3 and the roof panel 1 to bond the two center rails 2 and 3 to the lower center of the roof panel 1.

다음 루프패널(2)의 전후방에 마스틱 실러(6)를 이용하여 프런트레일(4)과 리어레일(5)의 내측을 접착한 후 루프페일(1)과 루프패널(2,3,4,5)을 스폿(spot) 용접(7)에 의해 고정한다.The inner side of the front rail 4 and the rear rail 5 are bonded to the front and rear sides of the next roof panel 2 using the Mastic shear 6 and then the roof rail 1 and the roof panels 2, Is fixed by spot welding (7).

이때 센터레일(2,3)과 루프패널(1) 간에는 각 4개씩 총 8점이 용접되고, 프런트레일(4)과 루프패널(1), 리어레일(5)과 루프패널(1) 사이에는 외측으로 각각 16개씩 총 32점이 용접된다.At this time, a total of eight points are welded, four each between the center rails 2 and 3 and the roof panel 1, and between the front rail 4 and the roof panel 1, between the rear rail 5 and the roof panel 1, Respectively, 32 points are welded.

이와 같이 조립된 루프 조립체를 메인벅(Main Buck: 플로어와 사이드 등을 하나의 차체로 연결하는 작업) 공정에서 사이드 구조와 조립한다.The assembled loop assembly is assembled with the side structure in the process of connecting the main buck (a floor and a side with one body).

상기 루프 조립체는 메인벅에서 조립 후 루프레일(4,5) 및 루프패널(1)과의 스폿 용접(7) 과다로 루프패널(1) 변형(앞뒤 용접 뒤틀림)이 일어나고 이로 인하여 굴곡이 발생하여 차체 골격 정도 확보에 어려움을 겪으며, 프런트레일(4)과 루프레 일(5)의 스폿 용접(7)에 의한 루프패널(1)에의 조립으로 루프 강성이 떨어진다.The loop assembly is deformed (warped and warped back and forth) by over-welding the roof rails 4 and 5 and the spot welding 7 with the roof panel 1 after assembling in the main buck, The rigidity of the roof is deteriorated due to the assembly of the front rail 4 and the roof rail 5 by the spot welding 7 of the roof rail 1 because of difficulty in securing the vehicle body frame.

또한, 프런트레일(4)과 루프패널(1), 리어레일(5)과 루프패널(1) 사이의 내측 접착 부위는 패널(1)과 레일(4,5)이 평행한 구조로 마스틱 실러(6) 접착후 떨어짐이 발생하고 루프의 소음이 발생하는 문제점이 있었다.The inner bonding portion between the front rail 4 and the roof panel 1 and between the rear rail 5 and the roof panel 1 has a structure in which the panel 1 and the rails 4, 6) There is a problem that after the bonding, a drop occurs and a noise of the loop is generated.

본 발명은 상술한 문제점을 해결하기 위하여 안출된 것으로서, 프런트레일과 리어레일을 벤딩 형태로 루프패널과 일체화하여 강성을 증대함으로써 루프 처짐 및 비틀림을 방지할 수 있고, 스폿 용접을 삭제하여 용접 변형이 발생하지 않아 정도를 향상시킬 수 있으며, 마스틱 실러 접촉부위를 반원형으로 포밍하여 동강성(動剛性)을 증대할 수 있는 자동차의 루프 보강구조를 제공하는데 그 목적이 있다.SUMMARY OF THE INVENTION The present invention is conceived to solve the above-mentioned problems, and it is an object of the present invention to provide a roof panel in which a front rail and a rear rail are integrated with a roof panel by integrating a front rail and a rear rail, And it is an object of the present invention to provide a loop reinforcement structure for an automobile which can increase the dynamic rigidity by forming the contact portion of the Mastic Stone with a semicircular shape.

상술한 목적을 달성하기 위한 본 발명에 따른 자동차의 루프 보강구조는, 차체의 천정을 이루는 루프패널과, 상기 루프패널을 보강하기 위해 상기 루프패널의 하부에 소정간격으로 배치되는 루프레일로 이루어지는 자동차의 루프 보강구조에 있어서;According to another aspect of the present invention, there is provided a roof reinforcement structure for an automobile, the roof reinforcement structure comprising: a roof panel that forms a ceiling of a vehicle body; a roof rail that is disposed at a predetermined interval below the roof panel to reinforce the roof panel; A loop-reinforced structure of:

상기 루프패널의 전후 양단부에서 내측으로 벤딩 연장되고 그 연장된 단부가 루프패널의 하부에 마스틱 실러에 의해 접착되어, 상기 루프레일과 폐단면을 이루는 프런트레일과 리어레일이 루프패널에 일체로 형성되는 것을 특징으로 한다.A front rail and a rear rail which are bent and extend inward from both front and rear ends of the roof panel and are joined to each other by a mastic seal on a lower portion of the roof panel, .

상술한 과제 해결 수단에 의하면 루프의 강성을 증대함으로써 루프 처짐 및 비틀림을 방지할 수 있고, 스폿 용접을 삭제하여 용접 변형이 발생하지 않아 정도를 향상시킬 수 있으며, 마스틱 실러 접촉부위를 반원형으로 포밍하여 동강성을 증대할 수 있다.According to the above-mentioned problem solving means, it is possible to prevent the loop sag and twist by increasing the stiffness of the loop, and it is possible to improve the degree of welding deformation by eliminating the spot welding and to form the semi- The dynamic rigidity can be increased.

이하 본 발명의 실시예에 대하여 첨부된 도면을 참고로 그 구성 및 작용을 설명하기로 한다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

도 3은 본 발명에 따른 루프의 보강 구조도이고, 도 4a와 도 4b는 도 3의 C-C선과 D-D선의 단면도이다.FIG. 3 is a structural view of a loop reinforcement according to the present invention, and FIGS. 4A and 4B are cross-sectional views taken along line C-C and line D-D of FIG.

자동차 차체의 천정을 이루는 루프패널(10)을 보강하기 위한 루프레일(20)이 루프패널(10)의 하부에 배치된다.A roof rail (20) for reinforcing a roof panel (10) constituting a ceiling of an automobile body is disposed under the roof panel (10).

상기 루프레일(20)은 차축 방향으로 길게 배치되면서 차체 길이방향을 따라 소정간격으로 이격된다.The roof rails 20 are spaced at predetermined intervals along the longitudinal direction of the vehicle body while being arranged long in the axle direction.

상기 루프패널(10)의 전후 양단부에서 180도 내측으로 벤딩되어 루프패널(10)과 나란히 소정구간 형성되다가 루프패널(10)과 폐단면을 형성하도록 절곡된 후, 그 절곡된 단부가 루프패널(10)의 하부에 마스틱 실러(30)에 의해 접착되어 프런트레일(23)과 리어레일(24)이 루프패널(10)에 일체로 형성된다.Bent at an angle of 180 degrees from both front and rear ends of the roof panel 10 to be formed in a predetermined section in parallel with the roof panel 10 and bent to form a closed end face with the roof panel 10, 10 so that the front rail 23 and the rear rail 24 are integrally formed with the roof panel 10. [

상기 마스틱 실러(30)에 의해 접착된 루프패널(10)과 프런트레일(23 및 리어레일(24)의 접착 부위는 서로 대응하도록 포밍부(10a,23a,24a)가 형성되어 하나의 포밍부에 이에 대응하는 포밍부가 끼워짐으로써 마스틱 실러(30)의 접착력을 강화 하여 NVH(Noise, Vibration, Harshness) 성능을 향상시킬 수 있다.Forming sections 10a, 23a and 24a are formed so as to correspond to the joining portions of the roof panel 10, the front rail 23 and the rear rail 24 bonded by the mastic sealer 30, By fitting the corresponding forming portions, the adhesion of the mastic sealer 30 can be enhanced to improve the NVH (Noise, Vibration, Harshness) performance.

상기 루프패널(10)과 프런트레일(32) 및 리어레일(24)에 형성되는 포밍부(10a,23a,24a)는 상측으로 돌출된 반원형을 이루어 포밍부(10a)에 하부의 포밍부(23a,24a)가 끼워진다. The forming sections 10a, 23a and 24a formed on the roof panel 10, the front rail 32 and the rear rail 24 are formed in a semicircular shape protruding upward and formed on the forming section 10a, 24a are fitted.

상기 루프패널(10)의 센터에는 종래기술과 같이 센터레일(21,22)이 마스틱 실러와 스폿 용접에 의해 고정된다.In the center of the roof panel 10, the center rails 21 and 22 are fixed by a mastic sealer and spot welding as in the prior art.

이와 같이 프런트레일(23)과 리어레일(24)을 벤딩에 의해 루프패널(10)의 전방과 후방에 일체로 형성함으로써 루프 처짐 및 비틀림을 방지하고, 용접 공정을 g하지 않으므로 용접 변형이 발생하지 않는다.By forming the front rail 23 and the rear rail 24 integrally on the front and rear sides of the roof panel 10 by bending, it is possible to prevent sagging and twisting of the roof and to prevent welding deformation Do not.

또한, 정량적 효과로 스폿 용접점수와 프런트레일(23) 및 리어레일(24) 지그를 삭제하고, 프런트레일 및 리어레일 조립 공정, 금형, 작업자, 부품 수를 축소할 수 있다.Further, the spot welding score and the front rail 23 and the rear rail 24 jig can be eliminated by a quantitative effect, and the front rail and rear rail assembly process, the mold, the operator, and the number of parts can be reduced.

도 1a와 도 1b는 종래 루프의 조립 방법을 설명하기 위한 도면,FIGS. 1A and 1B are views for explaining a method of assembling a conventional loop,

도 2a와 도 2b는 도 1b의 A-A선과 B-B선의 단면도,Figs. 2A and 2B are cross-sectional views taken along line A-A and line B-B in Fig. 1B,

도 3은 본 발명에 따른 루프의 보강 구조도,3 is a structural view of a loop according to the present invention,

도 4a와 도 4b는 도 3의 C-C선과 D-D선의 단면도.4A and 4B are cross-sectional views taken along lines C-C and D-D in Fig. 3;

<도면의 주요부분에 대한 부호의 설명>Description of the Related Art

10: 루프패널 10a: 포밍부10: roof panel 10a: forming section

21,22: 센터레일 23: 프런트레일21, 22: center rail 23: front rail

23a: 포밍부 24: 리어레일23a: forming section 24: rear rail

24a: 포밍부 30: 마스틱 실러24a: forming section 30:

Claims (4)

차체의 천정을 이루는 루프패널과, 상기 루프패널을 보강하기 위해 상기 루프패널의 하부에 소정간격으로 배치되는 루프레일로 이루어지며,A roof panel constituting a ceiling of a vehicle body; and a roof rail disposed at a predetermined interval below the roof panel to reinforce the roof panel, 상기 루프패널의 전후 양단부에서 내측으로 벤딩 연장되고 그 연장된 단부가 루프패널의 하부에 마스틱 실러에 의해 접착되어, 상기 루프레일과 폐단면을 이루는 프런트레일과 리어레일이 루프패널에 일체로 형성되도록 구성되는 자동차의 루프 보강구조에 있어서,The front and rear rails extending bending inwardly from both front and rear ends of the roof panel are bonded to a lower portion of the roof panel by a mastic sealer so that front and rear rails constituting the roof rail and the rear end face are integrally formed with the roof panel In the loop reinforcement structure of an automobile, 상기 마스틱 실러에 의해 접착된 루프패널과 프런트레일 및 리어레일의 접착 부위에는 서로 대응하도록 포밍부가 형성되어, 하나의 포밍부에 이 포밍부와 대응하는 다른 포밍부가 끼워지는 것을 특징으로 하는 자동차의 루프 보강구조.Wherein the forming section is formed to correspond to the adhesion section between the roof panel and the front rail and the rear rail bonded by the mastic sealer so that the other forming section corresponding to the forming section is fitted to one forming section Reinforced structure. 삭제delete 삭제delete 제 1 항에 있어서,The method according to claim 1, 상기 루프패널과 프런트레일 및 리어레일의 포밍부는 상측으로 돌출된 반원형으로 형성되어 루프패널의 포밍부에 프런트레일 및 리어레일의 포밍부가 끼워지는 것을 특징으로 하는 자동차의 루프 보강구조.Wherein the forming sections of the roof panel, the front rail and the rear rail are formed in a semicircular shape protruding upward, so that the forming sections of the front rail and the rear rail are fitted to the forming sections of the roof panel.
KR1020080046920A 2008-05-21 2008-05-21 Roof Reinforcing Structure of Car Expired - Fee Related KR101405033B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01149873U (en) * 1988-04-08 1989-10-17
US20060255624A1 (en) * 2005-05-10 2006-11-16 Jim Zimmerman One-piece, tubular member with an integrated welded flange and associated method for producing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01149873U (en) * 1988-04-08 1989-10-17
US20060255624A1 (en) * 2005-05-10 2006-11-16 Jim Zimmerman One-piece, tubular member with an integrated welded flange and associated method for producing

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