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JP2006327399A - Roof structure of vehicle body - Google Patents

Roof structure of vehicle body Download PDF

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Publication number
JP2006327399A
JP2006327399A JP2005153745A JP2005153745A JP2006327399A JP 2006327399 A JP2006327399 A JP 2006327399A JP 2005153745 A JP2005153745 A JP 2005153745A JP 2005153745 A JP2005153745 A JP 2005153745A JP 2006327399 A JP2006327399 A JP 2006327399A
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roof
panel
stiffener
outer panel
vehicle body
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JP2005153745A
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JP4633541B2 (en
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Hiroshi Yamaguchi
博司 山口
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a roof structure of a vehicle body capable of heightening the rigidity of the coupling part of each roof side rail with a roof rail without bringing about pressing of the interior space and a drop of the outside appearance. <P>SOLUTION: A flange is formed in steps on an outer panel and welded in such a way as forming a groove in the area to a roof panel. With the outer panel, an inner panel 15 is joined so as to form a closed section, and an stiffener 19 is interposed between the outer panel and the inner panel 15 in such a way as crossing the closed section. In a single piece with the inner panel 15, an extending piece 20 having a channel-shaped section is formed to be coupled with the roof rail. A reinforcing member 26 is installed through an opening 25 generated below the groove and between the approximately channel-shaped section of the extending piece 20 and the undersurface of the stiffener 19, and one end of the reinforcing member 26 is welded to the extending piece 20, while bulkheads 27 and 28 at the other end are welded fast to the inner undersurface of the inner panel 15. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

この発明は、車体のルーフ構造に関し、特に、車体前後方向に沿う閉断面のルーフサイドレール部と車幅方向に延出するルーフパネルとの接合部の構造を改良した車体のルーフ構造に関するものである。   The present invention relates to a vehicle body roof structure, and more particularly to a vehicle body roof structure in which a structure of a joint portion between a roof side rail portion having a closed cross section along a vehicle body longitudinal direction and a roof panel extending in a vehicle width direction is improved. is there.

車体ルーフとして、アウタパネルとインナパネルを接合して閉断面のルーフサイドレール部を車体前後方向に沿わせて形成し、このルーフサイドレール部に切欠き部を形成して、車体幅方向に延出する略コ字断面のルーフレールをその切欠き部に結合したものがある。この車体ルーフでは、車幅方向左右のルーフサイドレール部に跨るようにルーフレールが接合されるが、こうして形成された車体ルーフは、ルーフサイドレール部の切欠き部とルーフレーとの結合部強度が低くなり易い。このため、ルーフレールの端縁との間で閉断面を成す補強部材を、切欠き部を跨ぐにようにルーフサイドレール部のアウタパネルに結合し、それによって結合部強度の向上を図るようにしたものが案出されている（例えば、特許文献１等参照）。   As the body roof, the outer panel and the inner panel are joined to form a closed cross-section roof side rail portion along the longitudinal direction of the vehicle body, and a notch is formed in the roof side rail portion to extend in the vehicle body width direction. Some roof rails having a substantially U-shaped cross section are coupled to the notches. In this body roof, the roof rails are joined so as to straddle the roof side rail portions on the left and right sides in the vehicle width direction. Easy to be. For this reason, a reinforcing member having a closed cross section with the edge of the roof rail is joined to the outer panel of the roof side rail so as to straddle the notch, thereby improving the strength of the joint. Has been devised (see, for example, Patent Document 1).

また、図６，図７に示すように、ルーフサイドレール部のアウタパネル１の車幅方向内側の端縁に段差状に屈曲形成されたフランジ部２が設けられ、ルーフパネル３の側部との間に車体前後方向に沿う溝部４を成すようにフランジ部２にルーフパネル３が溶接固定された車体ルーフの構造が開発されている。
この図６，図７に示す車体ルーフ構造は、ルーフサイドレール部のアウタパネル１とインナパネル５の間に、両者間の閉断面を横切るようにスチフナ６が介装され、これら三者１，６，５の端縁が重合状態で溶接固定されている。なお、前記インナパネル５の車幅方向内側の壁の一部には、上方に開口した略コ字断面の延出片７が一体に形成され、この延出片７に車幅方向に延出する略コ字断面のルーフレール８が結合されている。
実開平３−８５３９号公報 Further, as shown in FIGS. 6 and 7, a flange portion 2 that is bent and formed in a step shape is provided at the inner edge in the vehicle width direction of the outer panel 1 of the roof side rail portion. A structure of a vehicle body roof has been developed in which a roof panel 3 is welded and fixed to the flange portion 2 so as to form a groove portion 4 along the vehicle body longitudinal direction.
The vehicle body roof structure shown in FIGS. 6 and 7 includes a stiffener 6 interposed between the outer panel 1 and the inner panel 5 of the roof side rail portion so as to cross the closed cross section between them. , 5 are welded and fixed in a superposed state. An extension piece 7 having a substantially U-shaped cross section opened upward is integrally formed on a part of the inner wall 5 of the inner panel 5 in the vehicle width direction. The extension piece 7 extends in the vehicle width direction. The roof rail 8 having a substantially U-shaped cross section is coupled.
Japanese Utility Model Publication No. 3-8539

図６，図７に示す車体ルーフ構造の場合、アウタパネル１とルーフパネル３が溝部４内で溶接固定されるため、室内スペースを圧迫せずに、溝部４の下方でルーフサイドレール部とルーフレール８との連結部断面を大きく確保することが難しい。   In the case of the vehicle body roof structure shown in FIGS. 6 and 7, the outer panel 1 and the roof panel 3 are welded and fixed in the groove portion 4, so that the roof side rail portion and the roof rail 8 are positioned below the groove portion 4 without compressing the indoor space. It is difficult to ensure a large cross section of the connecting part.

また、この車体ルーフ構造においては、ルーフサイドレール部のアウタパネル１が車外に直接露出するため、見栄えの観点等から、特許文献１に記載のもののようにアウタパネル１に切欠き部を形成して補強部材を取り付けることは望ましくない。   Further, in this vehicle body roof structure, since the outer panel 1 of the roof side rail portion is directly exposed to the outside of the vehicle, from the viewpoint of appearance and the like, a notch portion is formed in the outer panel 1 as in the one described in Patent Document 1 and reinforced. It is not desirable to attach the member.

そこでこの発明は、室内スペースの圧迫や外観の低下を招くことなく、ルーフサイドレール部におけるルーフレールとの結合部剛性を確実に高めることのできる車体のルーフ構造を提供しようとするものである。   Therefore, the present invention is intended to provide a roof structure for a vehicle body that can reliably increase the rigidity of the joint portion of the roof side rail portion with the roof rail without causing compression of the indoor space and deterioration of the appearance.

上記の課題を解決するための手段として、請求項１に記載の発明は、車幅方向内側の端部に段差状にフランジ部（例えば、後述の実施形態におけるフランジ部１６）が形成され、このフランジ部がルーフパネル（例えば、後述の実施形態におけるルーフパネル１１）の側端部との間に車体前後方向に沿う溝部（例えば、後述の実施形態における溝部１７）を成すように溶接固定されるルーフサイドレール部（例えば、後述の実施形態におけるルーフサイドレール部１２）のアウタパネル（例えば、後述の実施形態におけるアウタパネル１４）と、このアウタパネルの内側に、同アウタパネルとの間に車体前後方向に沿う閉断面を構成するように配置されるルーフサイドレール部のインナパネル（例えば、後述の実施形態におけるインナパネル１５）と、前記アウタパネルとインナパネルの間に、両者間の閉断面を横切るように配置され、前記アウタパネルとインナパネルに溶接固定されるスチフナ（例えば、後述の実施形態におけるスチフナ１９）と、車体左右のルーフサイドレール部の間に車幅方向に沿って配置されるルーフレール（例えば、後述の実施形態におけるルーフレール１３）と、を備え、前記インナパネルの車幅方向内側の壁に、上方に開口した略コ字断面の延出片（例えば、後述の実施形態における延出片２０）が一体に形成され、この延出片に前記ルーフレールが結合された車体のルーフ構造において、前記延出片からスチフナの内側下面に跨るバルクヘッド構造を、前記溝部の下方で前記延出片の略コ字断面と前記スチフナの下面の間にできた開口（例えば、後述の実施形態における開口２５）を通して配設するようにした。   As a means for solving the above-mentioned problem, the invention according to claim 1 is characterized in that a flange portion (for example, a flange portion 16 in an embodiment described later) is formed in a stepped shape at the inner end in the vehicle width direction. The flange portion is welded and fixed so as to form a groove portion (for example, a groove portion 17 in an embodiment described later) along the vehicle body front-rear direction with a side end portion of the roof panel (for example, a roof panel 11 in the embodiment described later). Along the vehicle body front-rear direction between the outer panel (for example, the outer panel 14 in the embodiment described later) and the outer panel of the roof side rail portion (for example, the roof side rail portion 12 in the embodiment described later) and the outer panel. Inner panel of a roof side rail portion arranged so as to constitute a closed section (for example, an inner panel in an embodiment described later) 5), a stiffener (for example, a stiffener 19 in an embodiment described later) disposed between the outer panel and the inner panel so as to cross a closed cross section between the outer panel and the inner panel, and fixed to the outer panel and the inner panel by welding, A roof rail (for example, a roof rail 13 in an embodiment described later) disposed between the left and right roof side rail portions, and opens upward in the inner wall of the inner panel in the vehicle width direction. In the roof structure of the vehicle body in which an extended piece having a substantially U-shaped cross section (for example, an extended piece 20 in an embodiment described later) is integrally formed, and the roof rail is coupled to the extended piece, The bulkhead structure straddling the inner lower surface of the stiffener is an opening formed between the substantially U-shaped cross section of the extending piece and the lower surface of the stiffener below the groove (for example, And so as to disposed through an opening 25) in the embodiment of the predicate.

この発明の場合、延出片とスチフナの間の開口を通して延出片からスチフナの内側下面に跨るバルクヘッド構造が設けられるため、ルーフレールに結合される延出片からルーフサイドレール部内のスチフナにかけての剛性が効率良く高められる。   In the case of the present invention, since a bulkhead structure extending from the extending piece to the inner lower surface of the stiffener through the opening between the extending piece and the stiffener is provided, the extending piece connected to the roof rail to the stiffener in the roof side rail portion is provided. The rigidity can be increased efficiently.

この発明によると、ルーフレールに結合される延出片とルーフサイドレール部内のスチフナが、延出片とスチフナの間の開口を通してバルクヘッド構造によって結合されるため、ルーフサイドレール部の断面の大型化や外観品質の低下を招くことなく、ルーフサイドレール部とルーフレールとの結合部剛性を確実に高めることができる。つまり、この発明においては、バルクヘッド構造が延出片からスチフナの内側下面に跨って設けられるため、断面の大型化を招くことなく延出片部分の剛性を効率良く高めることができ、しかも、バルクヘッド構造の設置にあたってアウタパネル側に切欠き等を設ける必要がないため外観品質の低下を招くこともない。また、スチフナ自体の断面剛性もバルクヘッド構造によって高められるため、ルーフサイドレール部の剛性も高まる。   According to the present invention, since the extension piece coupled to the roof rail and the stiffener in the roof side rail portion are coupled by the bulkhead structure through the opening between the extension piece and the stiffener, the cross section of the roof side rail portion is increased in size. In addition, the rigidity of the joint between the roof side rail portion and the roof rail can be reliably increased without deteriorating the appearance quality. That is, in the present invention, since the bulkhead structure is provided from the extended piece to the inner lower surface of the stiffener, the rigidity of the extended piece portion can be efficiently increased without causing an increase in the cross section, Since it is not necessary to provide a cutout or the like on the outer panel side when installing the bulkhead structure, the appearance quality is not deteriorated. Further, since the cross-sectional rigidity of the stiffener itself is also increased by the bulkhead structure, the rigidity of the roof side rail portion is also increased.

以下、この発明の一実施形態を、図１〜図５を参照して説明する。
図１は、この発明にかかるルーフ構造を採用した車両を示し、図２は、図１のＣ部相当部からルーフパネル１１を外した状態を示すものである。これらの図に示すように、車体ルーフは、車体前後方向に沿うルーフサイドレール部１２に車体幅方向に延出するルーフレール１３が結合され、ルーフサイドレール部１２とルーフレール１３に対してルーフパネル１１が結合されている。 Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
FIG. 1 shows a vehicle employing a roof structure according to the present invention, and FIG. 2 shows a state in which the roof panel 11 is removed from the portion corresponding to the C portion in FIG. As shown in these drawings, in the vehicle body roof, a roof rail 13 extending in the vehicle body width direction is coupled to a roof side rail portion 12 extending in the vehicle longitudinal direction, and the roof panel 11 is connected to the roof side rail portion 12 and the roof rail 13. Are combined.

ルーフサイドレール部１２は、図２に示すようにアウタパネル１４とインナパネル１５が結合されて車体前後方向に沿う閉断面が構成されているが、アウタパネル１４の車幅方向内側の端部には、段差状に一段下がったフランジ部１６が形成されており、このフランジ部１６がルーフパネル１１との間に車体前後方向に沿う溝部１７を成すように、ルーフパネル１１の側部のフランジ部１８に溶接固定されるようになっている。また、アウタパネル１４とインナパネル１５の間には、両者によって形成される閉断面を横切るようにスチフナ１９が介装され、このスチフナ１９の両端部がアウタパネル１４とインナパイプ１５に挟み込まれた状態で溶接固定されている。なお、この実施形態の場合、スチフナ１９は、その断面の略中央部がアウタパネル１４側に略コ字状に屈曲し、インナパネル１５との協働によって大きな断面強度を得るようになっている。   As shown in FIG. 2, the outer side panel 14 and the inner panel 15 are combined to form a closed cross section along the vehicle body front-rear direction. A flange portion 16 that is stepped down in a step shape is formed, and the flange portion 16 is formed on the flange portion 18 on the side of the roof panel 11 so as to form a groove portion 17 along the vehicle body front-rear direction with the roof panel 11. It is designed to be fixed by welding. Further, a stiffener 19 is interposed between the outer panel 14 and the inner panel 15 so as to cross a closed cross section formed by both, and both ends of the stiffener 19 are sandwiched between the outer panel 14 and the inner pipe 15. It is fixed by welding. In the case of this embodiment, the stiffener 19 has a substantially central portion of the cross section bent toward the outer panel 14 in a substantially U-shape, and obtains a large cross-sectional strength in cooperation with the inner panel 15.

また、図３は、図２に示す車体ルーフからアウタパネル１４を取り去った状態を示し、図４，図５は、夫々図３のＡ−Ａ断面とＢ−Ｂ断面に相当する部分の断面図を示すものである。
これらの図に示すように、インナパネル１５の車幅方向内側の壁には、上方に開口した略コ字断面（この実施形態の場合、正確には、上下逆向きのハット状断面）の延出片２０が一体に形成され、この延出片２０の先端部上面側に、延出片２０と略同断面形状の前記ルーフレール１３が溶接固定されている。 3 shows a state in which the outer panel 14 has been removed from the vehicle body roof shown in FIG. 2, and FIGS. 4 and 5 are sectional views corresponding to the AA cross section and the BB cross section of FIG. 3, respectively. It is shown.
As shown in these drawings, the inner panel 15 has a substantially U-shaped cross section (in the case of this embodiment, a hat-shaped cross section that is turned upside down) on the inner wall in the vehicle width direction. A protruding piece 20 is integrally formed, and the roof rail 13 having substantially the same cross-sectional shape as the extending piece 20 is welded and fixed to the upper surface of the distal end portion of the extending piece 20.

インナパネル１５の上端部には、アウタパネル１４のフランジ部１６に溶接される上縁フランジ２１が形成されているが、この上縁フランジ２１は延出片２０の付根部の断面によって途切れ、そこで車幅方向に延びる延出片２０のフランジ部２２に連続している。また、延出片２０の付根部側には、図５に示すように略コ字断面の底辺からインナパネル１５の縦壁２３に連続する傾斜壁２４が設けられており、インナパネル１５の上縁フランジ２１に沿って溶接されるスチフナパネ１９の上縁部は延出片２０の付根部側の略コ字断面の上方側を略水平に跨いでいる。したがって、延出片２０の付根部とスチフナ１９の間には、上開きの台形状の開口２５（図３参照）が形成されている。   An upper edge flange 21 to be welded to the flange portion 16 of the outer panel 14 is formed at the upper end portion of the inner panel 15. The upper edge flange 21 is interrupted by the cross section of the root portion of the extension piece 20, and the vehicle It continues to the flange portion 22 of the extending piece 20 extending in the width direction. Further, as shown in FIG. 5, an inclined wall 24 that is continuous from the bottom of the substantially U-shaped cross section to the vertical wall 23 of the inner panel 15 is provided on the base portion side of the extended piece 20. The upper edge portion of the stiffener panel 19 welded along the edge flange 21 straddles the upper side of the substantially U-shaped cross section on the root portion side of the extending piece 20 substantially horizontally. Therefore, an upwardly opening trapezoidal opening 25 (see FIG. 3) is formed between the root of the extended piece 20 and the stiffener 19.

延出片２０の上面とスチフナ１９の内側下面との間には、補強部材２６が前記開口２５を通して配設され、この補強部材２６が延出片２０とスチフナ１９に夫々溶接固定されている。補強部材２６の一端側は、延出片２０の断面形状に略沿って形成され、図３中×印で示されるように複数箇所で延出片２０に溶接されている。そして、補強部材２６の他端側はスチフナ１９の略コ字断面の奥側の壁１９ｂまで延出し、その奥側の壁１９ｂに溶接固定されている。また、補強部材２６は幅方向の中央領域に剛性向上のためのビード部４０（図３参照）が形成されるとともに、幅方向の両端部に略台形状に隆起してスチフナ１９の略コ字断面部分に嵌合されるバルクヘッド部２７，２８が形成されている。これらのバルクヘッド部２７，２８は、スチフナ１９の略コ字断面の手前側の壁１９ａと奥側の壁１９ｂに溶接されている。なお、この実施形態においては、補強部材２６がこの発明におけるバルクヘッド構造を構成している。   Between the upper surface of the extended piece 20 and the inner lower surface of the stiffener 19, a reinforcing member 26 is disposed through the opening 25, and the reinforcing member 26 is fixed to the extended piece 20 and the stiffener 19 by welding. One end side of the reinforcing member 26 is formed substantially along the cross-sectional shape of the extension piece 20 and is welded to the extension piece 20 at a plurality of locations as shown by x in FIG. The other end side of the reinforcing member 26 extends to the back wall 19b of the substantially U-shaped cross section of the stiffener 19 and is welded and fixed to the back wall 19b. Further, the reinforcing member 26 is formed with a bead portion 40 (see FIG. 3) for improving rigidity in a central region in the width direction, and is raised substantially in a trapezoidal shape at both ends in the width direction. Bulkhead portions 27 and 28 are formed to be fitted to the cross-section portions. These bulkhead portions 27 and 28 are welded to the near-side wall 19a and the back-side wall 19b of the substantially U-shaped cross section of the stiffener 19. In this embodiment, the reinforcing member 26 constitutes the bulkhead structure in the present invention.

この車体ルーフ構造を採用した場合、延出片２０とスチフナ１９の間の開口２５を通して補強部材２６が延出片２０とスチフナ１９に跨って配置され、補強部材２６の一端が延出片２０の上面に重合されて溶接される一方で、補強部材２６の他端側のバルクヘッド部２７，２８がスチフナ１９のコ字状断面に嵌合されるかたちでスチフナ１９の内側下面に溶接されるため、延出片２０からルーフサイドレール部１２内のスチフナ１９にかけての剛性を確実に高めることができる。即ち、アウタパネル１４とインナバネル１５に挟まれて剛性の高いスチフナ１９に対し、バルクヘッド部２７，２８を持つ補強部材２６の他端側が開口２５を跨いで溶接されるため、補強部材２６の一端側に溶接される延出片２０の剛性を効率良く高めることができる。
したがって、ルーフサイドレール部１２や延出片２０等を大型化することなく、延出片２０の剛性を高めることができるため、ルーフパネル１１とアウタパネル１４の間に溝部１７が形成されているこの種の車両においても車室スペースを圧迫することなく、ルーフレール１３部分との結合部剛性を高め、ルーフの振動を効果的に抑制することがきる。 When this vehicle body roof structure is adopted, the reinforcing member 26 is disposed across the extending piece 20 and the stiffener 19 through the opening 25 between the extending piece 20 and the stiffener 19, and one end of the reinforcing member 26 is disposed on the extending piece 20. While being superposed on the upper surface and welded, the bulkhead portions 27 and 28 on the other end side of the reinforcing member 26 are welded to the inner lower surface of the stiffener 19 in such a manner that they are fitted to the U-shaped cross section of the stiffener 19. The rigidity from the extended piece 20 to the stiffener 19 in the roof side rail portion 12 can be reliably increased. That is, since the other end side of the reinforcing member 26 having the bulkhead portions 27 and 28 is welded across the opening 25 to the stiffener 19 having high rigidity sandwiched between the outer panel 14 and the inner panel 15, the one end side of the reinforcing member 26 It is possible to efficiently increase the rigidity of the extended piece 20 to be welded.
Therefore, since the rigidity of the extension piece 20 can be increased without increasing the size of the roof side rail portion 12 and the extension piece 20, the groove portion 17 is formed between the roof panel 11 and the outer panel 14. Even in this type of vehicle, the rigidity of the joint portion with the roof rail 13 portion can be increased and the vibration of the roof can be effectively suppressed without compressing the passenger compartment space.

さらに、この車体ルーフ構造の場合、補強部材２６のバルクヘッド部２７，２８がスチフナ１９の下面内側に嵌合状態で溶接されるため、スチフナ１９自体の断面変形を規制し、ルーフサイドレール部１２の剛性をも同時に高めることができる。   Further, in the case of this vehicle body roof structure, the bulkhead portions 27 and 28 of the reinforcing member 26 are welded in a fitted state to the lower surface inside of the stiffener 19, so that the cross-sectional deformation of the stiffener 19 itself is restricted, and the roof side rail portion 12. The rigidity can be increased at the same time.

また、この車体ルーフ構造においては、補強部材２６は、延出片２０とスチフナ１９の間の開口２５を通して延出片とスチフナ１９に跨って取り付けられるため、車外側に露出するアウタパネル１４に対して補強部材２６の取付けのための切欠き等を設ける必要がなく、外観品質の低下を招くこともない。   Further, in this vehicle body roof structure, the reinforcing member 26 is mounted across the extension piece and the stiffener 19 through the opening 25 between the extension piece 20 and the stiffener 19, so that it is against the outer panel 14 exposed to the outside of the vehicle. It is not necessary to provide a notch or the like for attaching the reinforcing member 26, and the appearance quality is not deteriorated.

なお、この発明は上記実施形態に限定されるものではなく、その要旨を逸脱しない範囲で種々の設計変更が可能である。   In addition, this invention is not limited to the said embodiment, A various design change is possible in the range which does not deviate from the summary.

この発明の一実施形態を示すものであり、車両を斜め前方から見た外観図。The external view which showed one Embodiment of this invention and looked at the vehicle from diagonally forward. 同実施形態を示すものであり、ルーフパネルを外した図１のＣ部相当部を斜め上方から見た斜視図。The perspective view which showed the same embodiment and looked at the C equivalent part of FIG. 1 which removed the roof panel from diagonally upward. 同実施形態を示すものであり、図２からルーフサイドレール部のアウタパネルとルーフレールを取り去った斜視図。The perspective view which removed the outer panel and roof rail of a roof side rail part from FIG. 2 which shows the same embodiment. 同実施形態を示す図３のＡ−Ａ断面に相当する断面図。Sectional drawing equivalent to the AA cross section of FIG. 3 which shows the same embodiment. 同実施形態を示す図３のＢ−Ｂ断面に相当する断面図。Sectional drawing equivalent to the BB cross section of FIG. 3 which shows the same embodiment. 従来の技術を示すものであり、ルーフパネルを外したルーフの前部コーナを斜め上方から見た斜視図。The perspective view which showed the prior art and which looked at the front corner of the roof which removed the roof panel from diagonally upward. 図技術を示す図６のＤ−Ｄ断面に相当する断面図。Sectional drawing equivalent to the DD cross section of FIG. 6 which shows figure technology.

符号の説明Explanation of symbols

１１…ルーフパネル
１２…ルーフサイドレール部
１３…ルーフレール
１４…アウタパネル
１５…インナパネル
１６…フランジ部
１７…溝部
１９…スチフナ
２０…延出片
２５…開口

DESCRIPTION OF SYMBOLS 11 ... Roof panel 12 ... Roof side rail part 13 ... Roof rail 14 ... Outer panel 15 ... Inner panel 16 ... Flange part 17 ... Groove part 19 ... Stiffener 20 ... Extension piece 25 ... Opening

Claims (1)

車幅方向内側の端部に段差状にフランジ部が形成され、このフランジ部がルーフパネルの側端部との間に車体前後方向に沿う溝部を成すように溶接固定されるルーフサイドレール部のアウタパネルと、
このアウタパネルの内側に、同アウタパネルとの間に車体前後方向に沿う閉断面を構成するように配置されるルーフサイドレール部のインナパネルと、
前記アウタパネルとインナパネルの間に、両者間の閉断面を横切るように配置され、前記アウタパネルとインナパネルに溶接固定されるスチフナと、
車体左右のルーフサイドレール部の間に車幅方向に沿って配置されるルーフレールと、を備え、
前記インナパネルの車幅方向内側の壁に、上方に開口した略コ字断面の延出片が一体に形成され、この延出片に前記ルーフレールが結合された車体のルーフ構造において、
前記延出片からスチフナの内側下面に跨るバルクヘッド構造を、前記溝部の下方で前記延出片の略コ字断面と前記スチフナの下面の間にできた開口を通して配設したことを特徴とする車体のルーフ構造。

A flange portion is formed in a stepped shape at the inner end in the vehicle width direction, and this flange portion is welded and fixed so as to form a groove portion along the longitudinal direction of the vehicle body with the side end portion of the roof panel. Outer panel,
Inside the outer panel, an inner panel of a roof side rail portion arranged so as to constitute a closed cross section along the vehicle body longitudinal direction between the outer panel and the outer panel;
A stiffener disposed between the outer panel and the inner panel so as to cross a closed cross section between them, and welded and fixed to the outer panel and the inner panel,
A roof rail disposed along the vehicle width direction between the left and right roof side rail portions of the vehicle body,
In the roof structure of the vehicle body in which an approximately U-shaped extending piece opened upward is integrally formed on the inner wall of the inner panel in the vehicle width direction, and the roof rail is coupled to the extending piece.
A bulkhead structure extending from the extending piece to the inner lower surface of the stiffener is disposed below the groove portion through an opening formed between a substantially U-shaped cross section of the extending piece and the lower surface of the stiffener. The roof structure of the car body.

JP2005153745A 2005-05-26 2005-05-26 Body roof structure Expired - Fee Related JP4633541B2 (en)

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