JP2018052392A - Roof of automobile - Google Patents

Roof of automobile Download PDF

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JP2018052392A
JP2018052392A JP2016192916A JP2016192916A JP2018052392A JP 2018052392 A JP2018052392 A JP 2018052392A JP 2016192916 A JP2016192916 A JP 2016192916A JP 2016192916 A JP2016192916 A JP 2016192916A JP 2018052392 A JP2018052392 A JP 2018052392A
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roof
vehicle
bead
region
rigidity
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JP7285618B2 (en
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洋介 穴田
Yosuke Anada
洋介 穴田
顕雄 上畑
Akio Uehata
顕雄 上畑
光太郎 池田
Kotaro Ikeda
光太郎 池田
勝紀 高橋
Katsunori Takahashi
勝紀 高橋
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Daihatsu Motor Co Ltd
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Daihatsu Motor Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a roof of an automobile having high rigidity while enhancing design performance with respect to the outside.SOLUTION: In a plane view from a vehicle front face, by smoothly and continuously forming a right bead 107 and a left bead 109 from a front region 101 of a roof, design performance from a front face of a vehicle including the roof 100 can be improved. Also, by arranging the right bead 107 and the left bead 109 from the front region 101, in the roof as a whole, in particular, in a shape except for the beads, the rigidity of a rear region 103 which is lower than the front region 101 in rigidity can be raised. By a shape of the roof in the front region 101 and the rear region 103, and also by the arrangement of the right bead 107 and the left bead 109, the roof 100 having rigidity similar to that of a conventional roof, or higher than that can be resultantly formed.SELECTED DRAWING: Figure 1

Description

本発明は、自動車のルーフに関し、特に、剛性を確保しつつ、意匠性を高めることができるものに関する。   The present invention relates to an automobile roof, and more particularly to a roof capable of improving designability while ensuring rigidity.

従来の自動車のルーフについて、図５に示すルーフパネル２を用いて説明する。ルーフパネル２の車幅方向に中央凸面部２０と、この中央凸面部２０の両側に側部凸面部２１を車体の前後方向に設け、前記中央凸面部２０と側部凸面部２１との間に車幅方向の段差部２２を車体の前後方向に形成し、前記段差部２２によってルーフパネル２の前後方向に形成される一対の凹状部２３相互間の幅をルーフパネル２の前端部２ａから後端部２ｂにかけて次第に狭く形成する。板厚を薄くできるとともに剛性の向上を図り、べかつき性とＮＶＨ（騒音、振動、ハーシュネス）性能に影響を及ぼすことがない車両のルーフパネル構造を提供する（以上、特許文献１参照）。   A conventional automobile roof will be described with reference to a roof panel 2 shown in FIG. A central convex surface portion 20 is provided in the vehicle width direction of the roof panel 2, and side convex surface portions 21 are provided on both sides of the central convex surface portion 20 in the front-rear direction of the vehicle body, and between the central convex surface portion 20 and the side convex surface portion 21. A step portion 22 in the vehicle width direction is formed in the front-rear direction of the vehicle body, and the width between the pair of concave portions 23 formed in the front-rear direction of the roof panel 2 by the step portion 22 is changed from the front end portion 2a of the roof panel 2 to the rear. It is formed so as to narrow gradually toward the end 2b. Provided is a vehicle roof panel structure that can reduce the plate thickness and improve the rigidity and does not affect the beakability and NVH (noise, vibration, harshness) performance (see Patent Document 1 above).

特開２０１５−０８５７０９号公報Japanese Patent Laying-Open No. 2015-085709

前述のルーフパネル２には、以下に示すような改善すべき点がある。ルーフパネル２に形成する段差部２２は、外観から視認できると、段差部２２の形状が視認者に対して与える影響が大きく、ルーフ、ひいては自動車全体の意匠性に悪影響を及ぼし、結果として、意匠性を下げることがある、という改善すべき点がある。   The above-described roof panel 2 has the following points to be improved. If the stepped portion 22 formed on the roof panel 2 can be visually recognized from the appearance, the shape of the stepped portion 22 has a great influence on the viewer, and adversely affects the design of the roof and thus the entire automobile. There is a point that needs to be improved.

そこで、本発明は、外部に対する意匠性を高くしつつ、高い剛性を有する自動車のルーフを提供することを目的とする。   SUMMARY OF THE INVENTION An object of the present invention is to provide an automobile roof having high rigidity while enhancing design characteristics with respect to the outside.

本発明における課題を解決するための手段及び発明の効果を以下に示す。   Means for solving the problems in the present invention and the effects of the invention will be described below.

本発明に係る自動車のルーフは、前記ルーフは、車両前後方向に沿った断面において、車両前後方向に沿った長さの中央よりも車両前方向に位置する最高点、前記断面において、前記最高点から車両前側の曲率半径が前記最高点から車両後側の曲率半径よりも小さいルーフ形状、前記最高点の車両前方側から車両後方側に向かって配置されるビードであって、車両正面からの平面視において、前端部において段差がないビード、を有する。   The roof of the automobile according to the present invention is the highest point located in the vehicle front direction from the center of the length along the vehicle front-rear direction in the cross-section along the vehicle front-rear direction, and the highest point in the cross-section. A roof shape in which the radius of curvature on the vehicle front side is smaller than the radius of curvature on the vehicle rear side from the highest point, and a bead arranged from the vehicle front side to the vehicle rear side of the highest point, and a plane from the vehicle front side In view, it has a bead with no step at the front end.

これにより、最高点から車両前側の曲率半径を最高点から車両後側の曲率半径より小さくすることによって、最高点から車両前側の剛性を最高点から車両後側の剛性より強くできる。また、車両正面からの平面視において、前端部において段差がないビードを形成することによって、ルーフを含む車両の正面からの意匠性を向上させることができる。また、車両前方側から車両後方側に渡ってビードを配置することによって、ビードを除いた形状では最高点から車両前側に比して剛性が低い最高点から車両後側剛性を補強することができる。最高点から車両前側、最高点から車両後側におけるルーフの形状、及び、ビードの配置によって、結果的に、従来のルーフに比して、同等、又はそれ以上の剛性を有するルーフを形成することができる。   Thus, by making the curvature radius from the highest point to the vehicle front side smaller than the curvature radius from the highest point to the vehicle rear side, the rigidity from the highest point to the vehicle front side can be made stronger than the rigidity from the highest point to the vehicle rear side. Moreover, the design from the front of the vehicle including the roof can be improved by forming a bead having no step at the front end in a plan view from the front of the vehicle. In addition, by arranging the bead from the vehicle front side to the vehicle rear side, the vehicle rear side rigidity can be reinforced from the highest point, which is lower in rigidity than the highest point in the shape excluding the bead. . Depending on the shape of the roof from the highest point to the front side of the vehicle and from the highest point to the rear side of the vehicle, and the arrangement of the beads, a roof having a rigidity equal to or higher than that of the conventional roof can be formed as a result. Can do.

本発明に係る自動車のルーフの一実施例であるルーフ１００の平面図である。1 is a plan view of a roof 100 which is an embodiment of a roof of an automobile according to the present invention. 図１に示すルーフ１００のＸ−Ｘ断面を示す図である。It is a figure which shows the XX cross section of the roof 100 shown in FIG. 図１に示すルーフ１００の断面を示す図であり、ＡはＹ−Ｙ断面を、ＢはＺ−Ｚ断面を、それぞれ示す図である。It is a figure which shows the cross section of the roof 100 shown in FIG. 1, A is a figure which shows a YY cross section, B is a ZZ cross section, respectively. 図１に示すルーフ１００のＱ−Ｑ断面を示す図である。It is a figure which shows the QQ cross section of the roof 100 shown in FIG. 従来の自動車のルーフを示す図である。It is a figure which shows the roof of the conventional motor vehicle.

以下、本発明の実施例について、図面を参照しながら詳細に説明していく。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

本発明に係る自動車のルーフの一実施形態であるルーフ１００について図面を用いて説明する。なお、ルーフ１００は、一般的な乗用車に用いられる。   A roof 100 which is an embodiment of a roof of an automobile according to the present invention will be described with reference to the drawings. The roof 100 is used for a general passenger car.

ルーフ１００について、図１に示す車両上方からの平面図を用いて説明する。ルーフ１００は、車両前方側に位置する前方領域１０１、及び、前方領域１０１に対して車両後方側に位置する後方領域１０３を有している。なお、ルーフ１００は、前縁部、及び、後縁部において、所定のパネルと溶接される。   The roof 100 is demonstrated using the top view from the vehicle upper direction shown in FIG. The roof 100 includes a front region 101 located on the vehicle front side and a rear region 103 located on the vehicle rear side with respect to the front region 101. The roof 100 is welded to a predetermined panel at the front edge portion and the rear edge portion.

図２に、図１におけるルーフ１００の車両前後方向に沿った中央線Ｊ１００でのＸ−Ｘ断面を示す。ルーフ１００は、車両前後方向に沿った長さの中央Ｃ１００よりも車両前方向に最高点Ｈ１００を有している。ルーフ１００の最高点Ｈ１００から車両前方側に位置する領域が、前方領域１０１に対応する。ルーフ１００の最高点Ｈ１００から車両後方側に位置する領域が、後方領域１０３に対応する。   FIG. 2 shows an XX cross section along the center line J100 along the vehicle longitudinal direction of the roof 100 in FIG. The roof 100 has the highest point H100 in the vehicle front direction rather than the center C100 having a length along the vehicle front-rear direction. A region located on the vehicle front side from the highest point H100 of the roof 100 corresponds to the front region 101. A region located on the vehicle rear side from the highest point H100 of the roof 100 corresponds to the rear region 103.

ルーフ１００は、図２に示すルーフ１００の車両前後方向に沿った中央線Ｊ１００でのＸ−Ｘ断面において、前方領域１０１の曲率半径Ｒ１０１が後方領域１０３の曲率半径Ｒ１０３よりも小さい形状を有している。このように、前方領域１０１の曲率半径Ｒ１０１を後方領域の曲率半径Ｒ１０３より小さくすることによって、前方領域１０１の剛性を後方領域１０３の剛性より強くできる。   The roof 100 has a shape in which the curvature radius R101 of the front region 101 is smaller than the curvature radius R103 of the rear region 103 in the XX cross section along the center line J100 along the vehicle longitudinal direction of the roof 100 shown in FIG. ing. Thus, the rigidity of the front area 101 can be made stronger than the rigidity of the rear area 103 by making the curvature radius R101 of the front area 101 smaller than the curvature radius R103 of the rear area.

また、図１に示すように、ルーフ１００は、車両上側に凸状の中央ビード１０５、右ビード１０７、及び、左ビード１０９を有している。中央ビード１０５は、ルーフ１００の車両前後方向に沿った中央線Ｊ１００を跨いで形成される。また、中央ビード１０５は、後方領域１０３に形成される。   As shown in FIG. 1, the roof 100 includes a center bead 105, a right bead 107, and a left bead 109 that are convex on the upper side of the vehicle. The center bead 105 is formed across the center line J100 along the vehicle longitudinal direction of the roof 100. The central bead 105 is formed in the rear region 103.

図１において、最高点Ｈ１００における車両左右方向に沿ったＹ−Ｙ断面を図３Ａに、後方領域１０３における車両左右方向に沿ったＺ−Ｚ断面を図３Ｂに、それぞれ示す。図３Ａに示すように、車両前方側から見たルーフ１００の形状には、中央ビード１０５の形状は現れない。つまり、車両正面からの平面視においては、中央ビード１０５の形状は現れない。一方、図３Ａに示すように、車両前方側から見たルーフ１００の形状に、中央ビード１０５の形状が現れる。中央ビード１０５は、ルーフ１００の前方領域１０１から滑らかに連続するように形成される。   In FIG. 1, a YY cross section along the vehicle left-right direction at the highest point H100 is shown in FIG. 3A, and a ZZ cross section along the vehicle left-right direction in the rear region 103 is shown in FIG. 3B. As shown in FIG. 3A, the shape of the center bead 105 does not appear in the shape of the roof 100 as viewed from the front side of the vehicle. That is, the shape of the central bead 105 does not appear in a plan view from the front of the vehicle. On the other hand, as shown in FIG. 3A, the shape of the center bead 105 appears in the shape of the roof 100 as viewed from the front side of the vehicle. The center bead 105 is formed so as to continue smoothly from the front region 101 of the roof 100.

このように、車両正面からの平面視において、中央ビード１０５の形状が現れないようにすることによって、ルーフ１００を含む車両の正面からの意匠性を向上させることができる。また、後方領域１０３に中央ビード１０５を配置することによって、ルーフ全体、特に、各ビードを除いた形状では前方領域１０１に比して剛性が低い後方領域１０３の剛性を補強することができる。前方領域１０１、後方領域１０３におけるルーフの形状、及び、中央ビード１０５の配置によって、結果的に、従来のルーフに比して、同等、又はそれ以上の剛性を有するルーフ１００を形成することができる。   In this way, by preventing the shape of the central bead 105 from appearing in a plan view from the front of the vehicle, the design from the front of the vehicle including the roof 100 can be improved. Further, by disposing the central bead 105 in the rear region 103, the rigidity of the rear region 103, which is lower in rigidity than the front region 101 in the entire roof, particularly in the shape excluding each bead, can be reinforced. Depending on the shape of the roof in the front region 101 and the rear region 103 and the arrangement of the central bead 105, the roof 100 having the rigidity equal to or higher than that of the conventional roof can be formed as a result. .

図１に示すように、右ビード１０７は、中央線Ｊ１００に対して車両後方から前方に向かって右側に形成される。右ビード１０７は、前方領域１０１から後方領域１０３に渡って形成される。右ビード１０７は、ルーフ１００の前方領域１０１から滑らかに連続するように形成される。左ビード１０９についても、同様である。   As shown in FIG. 1, the right bead 107 is formed on the right side from the rear of the vehicle to the front with respect to the center line J100. The right bead 107 is formed from the front area 101 to the rear area 103. The right bead 107 is formed so as to continue smoothly from the front region 101 of the roof 100. The same applies to the left bead 109.

前方領域１０１における右ビード１０７の前縁部領域の断面であるＱ−Ｑ断面を図４に示す。右ビード１０７は、右ビード１０７が形成されていない前方領域１０１の形状（破線Ｆ１０１）から滑らかに連続するように、つまり、従来のビードＢ１０７のように段差を形成するのではなく、前端部１０７ｆにおいて段差がないように形成される。このように、前方領域１０１において、段差なく滑らかに連続するように右ビード１０７を形成することによって、正面からの平面視において、右ビード１０７が外部からの視認者に与える影響を低減できる。つまり、右ビード１０７を、ルーフの一部として認識させることができる。よって、ルーフ、ひいては自動車全体の意匠性を向上させることができる。左ビード１０９についても、同様である。   FIG. 4 shows a QQ cross section that is a cross section of the front edge region of the right bead 107 in the front region 101. The right bead 107 is smoothly continuous from the shape of the front region 101 where the right bead 107 is not formed (broken line F101). That is, the right bead 107 does not form a step like the conventional bead B107, but the front end portion 107f. Are formed so that there is no step. In this manner, by forming the right bead 107 so as to be smoothly continuous without a step in the front region 101, the influence of the right bead 107 on the external viewer can be reduced in a plan view from the front. That is, the right bead 107 can be recognized as a part of the roof. Therefore, the design of the roof, and thus the entire automobile can be improved. The same applies to the left bead 109.

このように、車両正面からの平面視において、右ビード１０７、左ビード１０９をルーフの前方領域１０１から滑らかに連続的に形成することによって、ルーフ１００を含む車両の正面からの意匠性を向上させることができる。また、前方領域１０１から右ビード１０７、左ビード１０９を配置することによって、ルーフ全体、特に、各ビードを除いた形状では前方領域１０１に比して剛性が低い後方領域１０３の剛性を補強することができる。前方領域１０１、後方領域１０３におけるルーフの形状、及び、右ビード１０７、左ビード１０９の配置によって、結果的に、従来のルーフに比して、同等、又はそれ以上の剛性を有するルーフ１００を形成することができる。   Thus, in the plan view from the front of the vehicle, the right bead 107 and the left bead 109 are formed smoothly and continuously from the front area 101 of the roof, thereby improving the design from the front of the vehicle including the roof 100. be able to. Further, by arranging the right bead 107 and the left bead 109 from the front area 101, the rigidity of the rear area 103, which is lower in rigidity than the front area 101 in the shape excluding the whole bead, in particular, each bead, is reinforced. Can do. The shape of the roof in the front region 101 and the rear region 103 and the arrangement of the right bead 107 and the left bead 109 result in the formation of the roof 100 having a rigidity equal to or higher than that of the conventional roof. can do.

［その他の実施形態］
（１）中央ビード１０５、右ビード１０７、左ビード１０９：前述の実施例１においては、中央ビード１０５を、ルーフの中央に１つ配置するとしたが、複数を配置するようにしてもよい。また、右ビード１０７、左ビード１０９を配置するとしたが、両方、又は、いずれか一方を配置しないようにしてもよい。 [Other Embodiments]
(1) Center bead 105, right bead 107, left bead 109: In the first embodiment described above, one central bead 105 is disposed at the center of the roof, but a plurality of central beads 105 may be disposed. In addition, although the right bead 107 and the left bead 109 are arranged, both or either one may not be arranged.

（２）自動車：前述の実施例１においては、自動車として乗用車を示したが、ルーフを有するものであれば、その他の自動車であってもよい。   (2) Automobile: In the above-described first embodiment, a passenger car is shown as an automobile, but other automobiles may be used as long as they have a roof.

本発明に係る自動車のルーフは、例えば、乗用車に用いることができる。   The roof of the automobile according to the present invention can be used for a passenger car, for example.

１００ ルーフ
１０１ 前方領域
１０３ 後方領域
１０５ 中央ビード
１０７ 右ビード
１０７ｆ 前端部
１０９ 左ビード
Ｊ１００ 中央線
Ｃ１００ 中央
Ｈ１００ 最高点
Ｒ１０１ 曲率半径
Ｒ１０３ 曲率半径 100 roof 101 front region 103 rear region 105 center bead 107 right bead 107f front end 109 left bead J100 center line C100 center H100 highest point R101 radius of curvature R103 radius of curvature

Claims (1)

自動車のルーフであって、
前記ルーフは、
車両前後方向に沿った断面において、車両前後方向に沿った長さの中央よりも車両前方向に位置する最高点、
前記断面において、前記最高点から車両前側の曲率半径が前記最高点から車両後側の曲率半径よりも小さいルーフ形状、
前記最高点の車両前方側から車両後方側に向かって配置されるビードであって、車両正面からの平面視において、前端部において段差がないビード、
を有する自動車のルーフ。 Car roof,
The roof is
In the cross section along the vehicle longitudinal direction, the highest point located in the vehicle front direction from the center of the length along the vehicle longitudinal direction,
In the cross section, a roof shape in which a curvature radius on the vehicle front side from the highest point is smaller than a curvature radius on the vehicle rear side from the highest point,
A bead arranged from the vehicle front side of the highest point toward the vehicle rear side, and in a plan view from the front of the vehicle, a bead having no step at a front end portion;
Automobile roof having.
JP2016192916A 2016-09-30 2016-09-30 car roof Active JP7285618B2 (en)

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* Cited by examiner, † Cited by third party
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JP2020142608A (en) * 2019-03-05 2020-09-10 スズキ株式会社 Vehicle roof structure

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