JP2013091407A - Roof panel and method for manufacturing the same - Google Patents

Roof panel and method for manufacturing the same Download PDF

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JP2013091407A
JP2013091407A JP2011234502A JP2011234502A JP2013091407A JP 2013091407 A JP2013091407 A JP 2013091407A JP 2011234502 A JP2011234502 A JP 2011234502A JP 2011234502 A JP2011234502 A JP 2011234502A JP 2013091407 A JP2013091407 A JP 2013091407A
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vehicle
reinforcing curved
reinforcing
roof panel
arc
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JP5750357B2 (en
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Taichi Okabe
太一 岡部
Chu Takizawa
宙 滝澤
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Toyota Motor Corp
Toyota Motor East Japan Inc
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Toyota Motor East Japan Inc
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Abstract

PROBLEM TO BE SOLVED: To provide a roof panel which is adapted to use by using one kind of a mold irrespective of the presence and absence of a sun roof in the same kind of a vehicle, and to provide a method for manufacturing the roof panel.SOLUTION: The roof panel 1 includes: a plurality of reinforced curved parts 10, 20, 30 at one side which are extended in a vehicle longitudinal direction and provided in a vehicle width direction in a vehicle front region; and a plurality of reinforced curved parts 40, 50, 60 at the other side which are extended in the vehicle longitudinal direction and provided in the vehicle width direction in a vehicle rear region. The reinforced curved parts 10, 20, 30 at the one side are formed in a region X in which an opening 2 of the sun roof is formed, and the reinforced curved parts 40, 50, 60 at the other side are formed in the back section of the region X of the opening 2 of the sun roof. Front ends of the other reinforced curved parts 40, 50, 60 are formed in a position apart from the region X in which the opening of the sun roof is formed by a certain distance S.

Description

本発明はルーフパネル及びこのルーフパネルの製造方法に関し、特に、車両の天部を形成するルーフパネルであって、剛性を高めたルーフパネル及びこのルーフパネルの製造方法に関する。   The present invention relates to a roof panel and a method for manufacturing the roof panel, and more particularly, to a roof panel that forms a top part of a vehicle, which has increased rigidity, and a method for manufacturing the roof panel.

従来、車両の天部を形成するルーフパネルの剛性を高めるため、例えば、特許文献１に示すように車両の前後方向にビード部が形成されたルーフパネルが知られている。
図５（ａ）に基づいて、特許文献１に示されたルーフパネル１００のビート構造について説明する。図に示すように、車両Ｖの幅方向にビード部１０１，１０２，１０３，１０４が複数設けられ、このビード部１０１，１０２，１０３，１０４は車両の前後方向（図中、符号Ｆが車両の前方向符号Ｒが車両の後方向）に延設されている。
そして、このビード部１０１，１０２，１０３，１０４の断面は、図５（ｂ）に示すように、ルーフパネル１００の外表面から外部に突出した凸状形状（台形状）に形成されている。 Conventionally, in order to increase the rigidity of a roof panel that forms the top of a vehicle, for example, a roof panel in which a bead portion is formed in the front-rear direction of the vehicle as shown in Patent Document 1 is known.
The beat structure of the roof panel 100 shown in Patent Document 1 will be described based on FIG. As shown in the figure, a plurality of bead portions 101, 102, 103, and 104 are provided in the width direction of the vehicle V, and the bead portions 101, 102, 103, and 104 are arranged in the front-rear direction of the vehicle (in the figure, symbol F represents the vehicle). The front direction code R is extended in the rear direction of the vehicle.
And the cross section of this bead part 101,102,103,104 is formed in the convex shape (trapezoid shape) which protruded outside from the outer surface of the roof panel 100, as shown in FIG.5 (b).

ところで、このルーフパネル１００には、図６に示すようにサンルーフ１１０が形成される場合がある。一般的に、サンルーフ１１０はユーザの求めによってなされるオプションであって、同一の車種においてサンルーフ１１０が設けられる場合と、サンルーフ１１０が設けられない場合がある。
このサンルーフ１１０が設けられない場合には、ルーフパネル１００は、図５（ａ）に示すように、ビード部１０１，１０２，１０３，１０４が車両の幅方向に複数設けられ、かつ車両の前後方向に延設された状態になされる。
一方、サンルーフ１１０が形成されるルーフパネル１００には、図６に示すように、サンルーフ１１０のための開口部１１０ａを避けて、車両の前後方向にビード部１０１，１０４が形成される。 Incidentally, a sunroof 110 may be formed on the roof panel 100 as shown in FIG. Generally, the sunroof 110 is an option made according to a user's request, and the sunroof 110 may or may not be provided in the same vehicle type.
When the sunroof 110 is not provided, the roof panel 100 is provided with a plurality of bead portions 101, 102, 103, and 104 in the vehicle width direction as shown in FIG. It is made the state extended to.
On the other hand, as shown in FIG. 6, bead portions 101 and 104 are formed in the front-rear direction of the vehicle on the roof panel 100 on which the sunroof 110 is formed, avoiding the opening 110a for the sunroof 110.

このように、サンルーフ１１０（開口部１１０ａ）を避けて、ビード部１０１，１０４を形成する理由は、ビード部が形成された部分に、前記開口部をプレスにより穿孔することが困難なためである。即ち、ルーフパネル１００にサンルーフ１１０（開口部１１０ａ）を形成する場合、先ず、ビード部が形成され、続いて開口部１１０ａが形成されるが、既にビード部が形成されていることにより、開口部１１０ａの穿孔を困難にしている。   Thus, the reason for forming the bead portions 101 and 104 while avoiding the sunroof 110 (opening portion 110a) is that it is difficult to punch the opening portion in the portion where the bead portion is formed by pressing. . That is, when the sunroof 110 (opening 110a) is formed on the roof panel 100, first, the bead portion is formed, and then the opening 110a is formed. However, since the bead portion is already formed, the opening portion is formed. 110a is difficult to perforate.

特開２００３−３０６１６７号公報JP 2003-306167 A

ところで、図６に示したルーフパネル１００にあっては、開口部１１０ａの後方の領域にビードが設けられていないため、ルーフパネル１００の剛性を確保するためには、ルーフパネル１００を厚肉に設定しなければならなかった。この場合、ルーフパネル１００の重量が増加するという技術的課題があった。
これを解決するために、図７に示すように、開口部１１０ａの後方の領域にビード１０２，１０３を形成し、ルーフパネル１００の剛性を確保することも考えられる。 By the way, in the roof panel 100 shown in FIG. 6, since the bead is not provided in the area | region behind the opening part 110a, in order to ensure the rigidity of the roof panel 100, the roof panel 100 is made thick. Had to set. In this case, there is a technical problem that the weight of the roof panel 100 increases.
In order to solve this, as shown in FIG. 7, it is conceivable that beads 102 and 103 are formed in a region behind the opening 110 a to ensure the rigidity of the roof panel 100.

しかしながら、開口部１１０ａの後方の領域にビード１０２，１０３を形成する場合には、図５に示した前記ルーフパネルを成形する型と異なる型を用意し、その型に基づいてビード部を形成した後、前記開口部１１０ａを形成しなければならかった。
即ち、同一の車種において、サンルーフが設けられる場合とサンルーフが設けられない場合とにおいて異なる金型を用意し、夫々異なる金型を用いて、ルーフパネルを成形しなければならず、製造コストが嵩むという技術的課題があった。 However, when forming the beads 102 and 103 in the area behind the opening 110a, a mold different from the mold for molding the roof panel shown in FIG. 5 was prepared, and the bead section was formed based on the mold. Later, the opening 110a had to be formed.
That is, in the same vehicle type, different molds must be prepared depending on whether the sunroof is provided or not, and the roof panel must be molded using different molds, which increases the manufacturing cost. There was a technical problem.

本願発明は、上記課題を解決するためになされたものであり、同一の車種においてサンルーフの有無に拘わらず、１種類の型で対応できる、ルーフパネル及びこのルーフパネルの製造方法を提供することを目的とするものである。また、機械的剛性が強い、補強湾曲部を備えたルーフパネルを提供することを目的とするものである。   The present invention has been made to solve the above-described problems, and provides a roof panel and a method for manufacturing the roof panel that can be handled by one type of mold regardless of the presence or absence of a sunroof in the same vehicle type. It is the purpose. It is another object of the present invention to provide a roof panel having a reinforcing curved portion with high mechanical rigidity.

上記技術的課題を解決するためになされた本発明にかかるルーフパネルは、車両の前方領域において、車両の前後方向に延設され、かつ車両の幅方向に設けられた複数の一の補強湾曲部と、車両の後方領域において、車両の前後方向に延設され、かつ車両の幅方向に設けられた複数の他の補強湾曲部と、を備えたルーフパネルであって、前記一の補強湾曲部がサンルーフの開口部形成領域内に形成され、かつ前記他の補強湾曲部がサンルーフの開口部形成領域の後方に形成されると共に、前記他の補強湾曲部の前方端部がサンルーフの開口部形成領域から所定寸法離れた位置に形成されていることを特徴としている。   A roof panel according to the present invention, which has been made to solve the above technical problem, includes a plurality of one reinforcing curved portion provided in the vehicle front-rear direction and provided in the vehicle width direction in a front region of the vehicle. A plurality of other reinforcing curved portions extending in the vehicle front-rear direction and provided in the vehicle width direction in a rear region of the vehicle, wherein the one reinforcing curved portion Is formed in the opening forming region of the sunroof, and the other reinforcing curved portion is formed behind the opening forming region of the sunroof, and the front end portion of the other reinforcing curved portion is formed of the sunroof opening. It is characterized by being formed at a position away from the region by a predetermined dimension.

このように、ルーフパネルに補強湾曲部が形成されているため、ルーフパネルの剛性を強くすることができる。
また、前記一の補強湾曲部がサンルーフの開口部形成領域内に形成され、かつ前記他の補強湾曲部がサンルーフの開口部形成領域の後方に形成されると共に、この他の補強湾曲部の前方端部がサンルーフの開口部形成領域から所定寸法離れた位置に形成されている。
そのため、前記一の補強湾曲部及び他の補強湾曲部を形成した後、サンルーフの開口部を形成でき、１種類の金型で同一の車種においてサンルーフを設ける場合と、サンルーフを設けない場合に対応することができる。 Thus, since the reinforcement curved part is formed in the roof panel, the rigidity of a roof panel can be strengthened.
The one reinforcing curved portion is formed in an opening forming region of the sunroof, and the other reinforcing curved portion is formed behind the opening forming region of the sunroof, and the front of the other reinforcing curved portion. The end portion is formed at a position separated from the opening formation region of the sunroof by a predetermined dimension.
Therefore, after forming the one reinforcing curved part and the other reinforcing curved part, the opening part of the sunroof can be formed, and it corresponds to the case where the sunroof is provided in the same vehicle type with one type of mold and when the sunroof is not provided. can do.

ここで、前記一の補強湾曲部は、平面視上車両の前部側に円弧部が形成され、前記円弧部から車両の後方に向かって右側面部及び左側面部が形成され、更に、側面視上パネル基準面から緩やかな傾斜をもって車両上方に突出して、円弧部、右側面部、左側面部が形成され、その上方に上面部が形成され、前記他の補強湾曲部は、平面視上車両の後部側に円弧部が形成され、前記円弧部から車両の前方に向かって右側面部及び左側面部が形成され、更に、側面視上パネル基準面から緩やかな傾斜をもって車両上方に突出して、円弧部、右側面部、左側面部が形成され、その上方に上面部が形成され、前記一の補強湾曲部及び他の補強湾曲部を構成する、円弧部、右側面部、左側面部、上面部が曲面によって形成されていることが望ましい。   Here, the one reinforcing curved portion has an arc portion formed on the front side of the vehicle in a plan view, a right side portion and a left side portion formed from the arc portion toward the rear of the vehicle, and further in a side view. Projecting upward from the reference plane of the panel with a gentle inclination, an arc portion, a right side surface portion, and a left side surface portion are formed, and an upper surface portion is formed thereabove, and the other reinforcing curved portion is a rear side of the vehicle in plan view A circular arc portion is formed, a right side surface portion and a left side surface portion are formed from the circular arc portion toward the front of the vehicle, and further protrudes upward from the reference surface of the panel in a side view with a gentle inclination, and the circular arc portion, the right side surface portion The left side surface portion is formed, the upper surface portion is formed above, and the arc portion, the right side surface portion, the left side surface portion, and the upper surface portion constituting the one reinforcing curved portion and the other reinforcing curved portion are formed by curved surfaces. It is desirable.

このように前記一の補強湾曲部及び他の補強湾曲部を構成する、円弧部、右側面部、左側面部、上面部が曲面によって形成されているため、ルーフパネルの剛性を強くすることができる。   As described above, since the arc portion, the right side surface portion, the left side surface portion, and the upper surface portion constituting the one reinforcing curved portion and the other reinforcing curved portion are formed by curved surfaces, the rigidity of the roof panel can be increased.

また、前記一の補強湾曲部は、３個の補強湾曲部によって構成され、車両の幅方向の両側に設けられた２個の補強湾曲部は、パネル基準面よりも高く形成され、前記２個の補強湾曲部に挟まれる、車両の幅方向の中央に位置する補強湾曲部は、前記２個の補強湾曲部の高さよりも低く形成されていることが望ましい。
このように、前記２個の補強湾曲部に挟まれる、中央に位置する補強湾曲部は、前記２個の補強湾曲部の高さよりも低く形成されているため、２個の補強湾曲部によって挟まれた領域における凹凸（中央に位置する補強湾曲部）は視覚的にあまり目立たない。そのため、ユーザに対して意匠的に違和感を与えることがなく、しかも剛性を強くすることができる。 Further, the one reinforcing curved portion is constituted by three reinforcing curved portions, and the two reinforcing curved portions provided on both sides in the width direction of the vehicle are formed higher than the panel reference surface, and the two It is desirable that the reinforcing curved portion located at the center in the width direction of the vehicle sandwiched between the reinforcing curved portions is formed lower than the height of the two reinforcing curved portions.
As described above, the reinforcing curved portion located at the center between the two reinforcing curved portions is formed lower than the height of the two reinforcing curved portions, and thus is sandwiched between the two reinforcing curved portions. The unevenness (reinforcing curved portion located in the center) in the region is not visually noticeable. Therefore, it does not give the user a sense of incongruity in design, and the rigidity can be increased.

更に、前記他の補強湾曲部は、３個の補強湾曲部によって構成され、車両の幅方向の両側に設けられた２個の補強湾曲部は、パネル基準面よりも高く形成され、前記２個の補強湾曲部に挟まれる、車両の幅方向の中央に位置する補強湾曲部は、前記２個の補強湾曲部の高さよりも低く形成されていることが望ましい。   Further, the other reinforcing curved portion is constituted by three reinforcing curved portions, and the two reinforcing curved portions provided on both sides in the width direction of the vehicle are formed higher than the panel reference plane, and the two It is desirable that the reinforcing curved portion located at the center in the width direction of the vehicle sandwiched between the reinforcing curved portions is formed lower than the height of the two reinforcing curved portions.

このように、他の補強湾曲部においても、一の補強湾曲部と同様に、２個の補強湾曲部に挟まれる、中央に位置する補強湾曲部が、前記２個の補強湾曲部の高さよりも低く形成されているため、２個の補強湾曲部によって挟まれた領域における凹凸（中央に位置する補強湾曲部）は視覚的にあまり目立たない。そのため、ユーザに対して意匠的に違和感を与えることがなく、しかも剛性を向上させることができる。   In this way, in the other reinforcing curved portions, similarly to the one reinforcing curved portion, the centrally located reinforcing curved portion sandwiched between the two reinforcing curved portions is higher than the height of the two reinforcing curved portions. Therefore, the unevenness in the region sandwiched between the two reinforcing curved portions (the reinforcing curved portion located in the center) is not visually noticeable. Therefore, it does not give the user a sense of incongruity in design, and the rigidity can be improved.

特に、車両の幅方向に設けられた２個の補強湾曲部に挟まれた、中央に位置する補強湾曲部の高さが、パネル基準面と同一の高さに形成されていることが望ましい。
このように、補強湾曲部の高さが、パネル基準面と同一の高さに形成されていることにより、中央に位置する補強湾曲部の両側に形成される凹部を十分な深さになすことができ、機械的剛性を向上させることができる。 In particular, it is desirable that the height of the reinforcing curved portion located at the center between the two reinforcing curved portions provided in the vehicle width direction is formed at the same height as the panel reference plane.
In this way, the height of the reinforcing curved portion is formed to be the same as the panel reference surface, so that the concave portions formed on both sides of the reinforcing curved portion located in the center have a sufficient depth. And mechanical rigidity can be improved.

上記技術的課題を解決するためになされた本発明にかかるルーフパネルの製造方法は、上記ルーフパネルの製造方法において、平板状のルーフパネル基材を、一及び他の補強湾曲部が形成された一つの金型でプレスし、補強湾曲部を形成する工程と、前記補強湾曲部の形成工程の後、サンルーフを設ける場合には、前記ルーフパネル基材に、開口部をプレスにより形成することを特徴としている。
前記補強湾曲部を形成した後、サンルーフの開口部を形成でき、１種類の金型でサンルーフを設ける場合とサンルーフを設けない場合に対応することができる。 The method for manufacturing a roof panel according to the present invention, which has been made to solve the above technical problem, is the method for manufacturing a roof panel, wherein a flat roof panel substrate is formed with one and other reinforcing curved portions. When a sunroof is provided after the step of pressing with one mold to form the reinforcing curved portion and the step of forming the reinforcing curved portion, the opening is formed in the roof panel base material by pressing. It is a feature.
After forming the reinforcing curved portion, an opening of the sunroof can be formed, and it is possible to cope with a case where the sunroof is provided with one type of mold and a case where the sunroof is not provided.

本発明によれば、同一の車種においてサンルーフの有無に拘わらず、１種類の型で対応できる、ルーフパネル及びこのルーフパネルの製造方法を得ることができる。また、機械的剛性が強い、補強湾曲部を備えたルーフパネルを得ることができる。   According to the present invention, it is possible to obtain a roof panel and a method for manufacturing the roof panel that can be handled by one type of mold regardless of the presence or absence of a sunroof in the same vehicle type. Moreover, the roof panel provided with the reinforcement curved part with strong mechanical rigidity can be obtained.

図１は、本発明の一実施形態にかかるルーフパネルを示す平面図である。FIG. 1 is a plan view showing a roof panel according to an embodiment of the present invention. 図２は、図１に示したルーフパネルのＡ−Ａ断面図である。FIG. 2 is a cross-sectional view taken along the line AA of the roof panel shown in FIG. 図３は、図１に示したルーフパネルのＢ−Ｂ（Ｃ−Ｃ）断面図である。3 is a cross-sectional view of the roof panel BB (CC) shown in FIG. 図４は、図３の断面図を模式的に示した図である。FIG. 4 is a diagram schematically showing the cross-sectional view of FIG. 図５は、従来のルーフパネルを示す図であって、（ａ）は斜視図、（ｂ）は（ａ）のＤ−Ｄ断面図である。5A and 5B are views showing a conventional roof panel, in which FIG. 5A is a perspective view, and FIG. 5B is a sectional view taken along the line DD of FIG. 図６は、従来のサンルーフ付きルーフパネルを示す斜視図である。FIG. 6 is a perspective view showing a conventional roof panel with a sunroof. 図７は、従来のサンルーフ付きルーフパネルの後方領域にビード部を形成した場合を示す斜視図である。FIG. 7 is a perspective view showing a case where a bead portion is formed in a rear region of a conventional roof panel with a sunroof.

以下、本発明の一実施の形態を図１乃至図４に基づいて説明する。尚、図１は、本発明の一実施形態にかかるルーフパネルを示す平面図、図２は、図１に示したルーフパネルのＡ−Ａ断面図、図３は、図１に示したルーフパネルのＢ−Ｂ（Ｃ−Ｃ）断面図、図４は、図３の断面図を模式的に示した図である。
図１に示すように、このルーフパネル１には、従来のようなルーフの外表面から外部に突出した凸状形状（台形状）のビード部は形成されておらず、なだらかに湾曲した補強湾曲部１０，２０，３０，４０，５０，６０が形成されている。 An embodiment of the present invention will be described below with reference to FIGS. 1 is a plan view showing a roof panel according to an embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the line AA of the roof panel shown in FIG. 1, and FIG. 3 is a roof panel shown in FIG. BB (CC) sectional view of FIG. 4, FIG. 4 is a diagram schematically showing the sectional view of FIG.
As shown in FIG. 1, the roof panel 1 is not formed with a convex (trapezoidal) bead portion that protrudes outward from the outer surface of the conventional roof, and has a gently curved reinforcing curve. Portions 10, 20, 30, 40, 50, and 60 are formed.

この補強湾曲部１０，２０，３０，４０，５０，６０について説明する。
先ず、車両の前後方向に３組の補強湾曲部１０，４０と、補強湾曲部２０，５０と、補強湾曲部３０，６０が設けられ、車両の幅方向に、２組の補強湾曲部１０，２０，３０と、補強湾曲部４０，５０，６０が設けられている。 The reinforcing curved portions 10, 20, 30, 40, 50, 60 will be described.
First, three sets of reinforcing curved portions 10, 40, reinforcing curved portions 20, 50, and reinforcing curved portions 30, 60 are provided in the longitudinal direction of the vehicle, and two sets of reinforcing curved portions 10, 60 are provided in the width direction of the vehicle. 20, 30 and reinforcing curved portions 40, 50, 60 are provided.

前記補強湾曲部１０，２０，３０は、車両の前後方向に同一長さ寸法Ｙ１に形成され、かつサンルーフの開口部２の形成予定領域Ｘ内に配置されている。また補強湾曲部４０，５０，６０は、サンルーフの開口部２の形成予定領域Ｘの後方に同一長さ寸法Ｚ１に形成されている。   The reinforcing curved portions 10, 20, and 30 are formed in the same length dimension Y1 in the front-rear direction of the vehicle, and are disposed in the formation planned region X of the opening 2 of the sunroof. Further, the reinforcing curved portions 40, 50, 60 are formed to have the same length dimension Z1 behind the formation planned region X of the opening 2 of the sunroof.

更に、各補強湾曲部１０，２０，３０，４０，５０，６０について説明する。
第１の補強湾曲部１０は、平面視上、車両の前部側に円弧部１１が形成され、前記円弧部から車両の後方に向かって右側面部１２，左側面部１３が形成されている。
これら円弧部１１及び側面部１２，１３は、図２、図３に示すように、ルーフパネル１のパネル基準面Ｐから徐々にルーフ外表面から外部（車両上方）に突出するように、緩やかに傾斜した曲面として形成されている。そして、円弧部１１及び側面部１２，１３の上端部には、上面部１４が形成されている。この上面部１４は曲面になされている。 Furthermore, each reinforcement bending part 10,20,30,40,50,60 is demonstrated.
The first reinforcing curved portion 10 has an arc portion 11 formed on the front side of the vehicle in plan view, and a right side surface portion 12 and a left side surface portion 13 formed from the arc portion toward the rear of the vehicle.
As shown in FIGS. 2 and 3, the arc portion 11 and the side surface portions 12 and 13 are gradually protruded from the panel reference surface P of the roof panel 1 so as to gradually protrude from the outer surface of the roof to the outside (above the vehicle). It is formed as an inclined curved surface. An upper surface portion 14 is formed at the upper end portions of the arc portion 11 and the side surface portions 12 and 13. The upper surface portion 14 is a curved surface.

また、前記側面部１３の下端部は、図３に示すように、ルーフパネル１のパネル基準面Ｐよりも下方に位置し、ルーフパネル１に凹部７０が形成される。
また、前記側面部１２，１３、上面部１４は、前部稜線Ｒ１から下降する傾斜面（曲面）とし形成され、稜線１６より後方はルーフパネル１のパネル基準面Ｐとされる。 Further, as shown in FIG. 3, the lower end portion of the side surface portion 13 is positioned below the panel reference plane P of the roof panel 1, and a recess 70 is formed in the roof panel 1.
Further, the side surface portions 12 and 13 and the upper surface portion 14 are formed as inclined surfaces (curved surfaces) descending from the front ridge line R1, and the rear side of the ridge line 16 is the panel reference surface P of the roof panel 1.

第２の補強湾曲部２０は、平面視上、車両の前部側に円弧部２１が形成され、前記円弧部２１から車両の後方に向かって側面部２２，２３が形成されている。これら円弧部２１及び側面部２２，２３は、徐々にルーフ外表面から外部（車両上方）に突出するように、緩やかに傾斜した曲面として形成されている。   The second reinforcing curved portion 20 has an arc portion 21 formed on the front side of the vehicle in a plan view, and side portions 22 and 23 formed from the arc portion 21 toward the rear of the vehicle. The arc part 21 and the side parts 22 and 23 are formed as gently inclined curved surfaces so as to gradually protrude from the outer surface of the roof to the outside (above the vehicle).

前記側面部２２は、図３に示すように、ルーフパネル１のパネル基準面Ｐよりも下方の位置から、徐々にルーフパネル１のパネル基準面Ｐまで緩やかに傾斜した曲面として形成されている。即ち、前記側面部１３と側面部２２とにより、第１の補強湾曲部１０と第２の補強湾曲部２０との間に、凹部７０が形成される。   As shown in FIG. 3, the side surface portion 22 is formed as a curved surface that is gradually inclined from a position below the panel reference plane P of the roof panel 1 to the panel reference plane P of the roof panel 1 gradually. That is, the side surface portion 13 and the side surface portion 22 form a recess 70 between the first reinforcing curved portion 10 and the second reinforcing curved portion 20.

そして、円弧部２１及び側面部２２，２３の上端部には、曲面からなる上面部２４が形成されている。
この上面部２４は、図３、図４に示すようにパネル基準面Ｐの高さに形成されている。また、前記側面部２３は、パネル基準面Ｐから緩やかに傾斜した曲面として形成され、その下端部は、パネル基準面Ｐの下方位置に形成される。
また、前記側面部２２，２３、上面部２４は、前部稜線Ｒ１から下降する傾斜面とし形成され、稜線２６より後方はルーフパネル１のパネル基準面Ｐとされる。 An upper surface portion 24 having a curved surface is formed at the upper end portions of the arc portion 21 and the side surface portions 22 and 23.
The upper surface portion 24 is formed at the height of the panel reference surface P as shown in FIGS. Further, the side surface portion 23 is formed as a curved surface gently inclined from the panel reference surface P, and a lower end portion thereof is formed at a position below the panel reference surface P.
Further, the side surface portions 22 and 23 and the upper surface portion 24 are formed as inclined surfaces descending from the front ridge line R1, and the rear side of the ridge line 26 is a panel reference surface P of the roof panel 1.

前記第３の補強湾曲部３０は、平面視上、車両の前部側に円弧部３１が形成され、前記円弧部３１から車両の後方に向かって右側面部３２，左側面部３３が形成されている。
これら円弧部３１及び側面部３３は、ルーフパネル１の基準面から徐々にルーフの外表面から外部（車両上方）に突出するように緩やかに傾斜した曲面として形成されている。
また曲面として形成された右側面部３２の下端部は、図３に示すように、ルーフパネル１のパネル基準面Ｐよりも下方に位置し、ルーフパネル１に凹部７１が形成される。そして、円弧部３１及び側面部３２，３３の上端部には、上面部３４が形成されている。この上面部３４は曲面になされている。
また、前記側面部３２，３３、上面部３４は、前部稜線Ｒ１から下降する傾斜する曲面とし形成され、稜線３６より後方はルーフパネル１のパネル基準面Ｐとされる。 The third reinforcing curved portion 30 has a circular arc portion 31 formed on the front side of the vehicle in plan view, and a right side surface portion 32 and a left side surface portion 33 formed from the circular arc portion 31 toward the rear of the vehicle. .
The arc portion 31 and the side surface portion 33 are formed as curved surfaces that are gradually inclined from the reference surface of the roof panel 1 so as to gradually protrude from the outer surface of the roof to the outside (above the vehicle).
Further, the lower end portion of the right side surface portion 32 formed as a curved surface is positioned below the panel reference surface P of the roof panel 1 as shown in FIG. 3, and a recess 71 is formed in the roof panel 1. An upper surface portion 34 is formed at the upper end portions of the arc portion 31 and the side surface portions 32 and 33. The upper surface portion 34 is a curved surface.
Further, the side surface portions 32 and 33 and the upper surface portion 34 are formed as inclined curved surfaces descending from the front ridge line R 1, and the rear side of the ridge line 36 is a panel reference plane P of the roof panel 1.

また、前記稜線１６，２６，３６は同一直線上に位置している。また前記円弧部１１，２１，３１の先端部は、車幅方向において、同一直線ｍ上に位置している。   Further, the ridge lines 16, 26, 36 are located on the same straight line. Further, the tip portions of the arc portions 11, 21, 31 are located on the same straight line m in the vehicle width direction.

ここで、前記前記円弧部１１，２１，３１の先端部（直線ｍ）から前記稜線１６，２６，３６の長さ寸法をＹ１とし、第１の補強湾曲部１０の進行方向右側の斜面部１２から第３の補強湾曲部３０の進行方向左側の斜面部３３までの長さ寸法をＹ２とする。一方、サンルーフの開口部２の形成予定領域Ｘの車両の前後方向の長さ寸法Ｘ１は、前記長さ寸法をＹ１より長く、またサンルーフの開口部２の形成予定領域Ｘの車両の幅方向の長さ寸法Ｘ２は、前記長さ寸法をＹ２より長い。
即ち、第１の補強湾曲部１０、第２の補強湾曲部２０、第３の補強湾曲部３０は、前記サンルーフの開口部２の形成予定領域Ｘ内に形成されている。 Here, the length dimension of the ridge lines 16, 26, 36 from the tip portions (straight line m) of the arc portions 11, 21, 31 is Y1, and the slope portion 12 on the right side in the traveling direction of the first reinforcing curved portion 10 is used. To Y2 is a length dimension from the third reinforcing curved portion 30 to the slope portion 33 on the left side in the traveling direction. On the other hand, the length dimension X1 in the vehicle longitudinal direction of the formation region X of the sunroof opening 2 is longer than Y1, and the vehicle width direction of the formation region X of the sunroof opening 2 is in the vehicle width direction. The length dimension X2 is longer than the length dimension Y2.
That is, the first reinforcing curved portion 10, the second reinforcing curved portion 20, and the third reinforcing curved portion 30 are formed in the planned formation region X of the opening 2 of the sunroof.

前記第４の補強湾曲部４０は、平面視上、車両の後部側に円弧部４１が形成され、前記円弧部４１から車両の前方に向かって右側面部４２及び左側面部４３が形成されている。
これら円弧部４１及び側面部４２，４３は、図３に示すように、ルーフパネル１のパネル基準面Ｐから徐々にルーフ外表面から外部（車両上方）に突出するように、緩やかに傾斜した曲面として形成されている。そして、円弧部４１及び側面部４２，４３の上端部には、上面部４４が形成されている。この上面部４４は曲面になされている。
また、前記側面部４３の下端部は、図３に示すように、ルーフパネル１のパネル基準面Ｐよりも下方に位置し、ルーフパネル１に凹部７２が形成される。
また、前記側面部４２，４３、上面部４４は、後部稜線Ｒ２から下降する傾斜面（曲面）とし形成され、稜線４６より前方はルーフパネル１のパネル基準面Ｐとされる。 The fourth reinforcing curved portion 40 has an arc portion 41 formed on the rear side of the vehicle in plan view, and a right side portion 42 and a left side portion 43 formed from the arc portion 41 toward the front of the vehicle.
As shown in FIG. 3, the arc portion 41 and the side portions 42 and 43 are curved surfaces that are gently inclined so as to gradually protrude from the outer surface of the roof to the outside (above the vehicle) from the panel reference plane P of the roof panel 1. It is formed as. An upper surface portion 44 is formed at the upper end portions of the arc portion 41 and the side surface portions 42 and 43. The upper surface portion 44 is a curved surface.
Further, as shown in FIG. 3, the lower end portion of the side surface portion 43 is positioned below the panel reference plane P of the roof panel 1, and a recess 72 is formed in the roof panel 1.
Further, the side surface portions 42, 43 and the upper surface portion 44 are formed as inclined surfaces (curved surfaces) descending from the rear ridge line R 2, and the front side of the ridge line 46 is a panel reference surface P of the roof panel 1.

前記第５の補強湾曲部５０は、平面視上、車両の後部側に円弧部５１が形成され、前記円弧部５１から車両の前方に向かって右側面部５２及び左側面部５３が形成されている。
これら円弧部５１及び側面部５２，５３は、徐々にルーフ外表面から外部（車両上方）に突出するように、緩やかに傾斜した曲面として形成されている。
前記側面部５２は、図３に示すように、ルーフパネル１のパネル基準面Ｐよりも下方の位置から、徐々にルーフパネル１のパネル基準面Ｐまで緩やかに傾斜した曲面として形成されている。即ち、前記側面部４３と側面部５２とにより、第４の補強湾曲部４０と第５の補強湾曲部５０との間に、凹部７２が形成される。 In the fifth reinforcing curved portion 50, an arc portion 51 is formed on the rear side of the vehicle in plan view, and a right side portion 52 and a left side portion 53 are formed from the arc portion 51 toward the front of the vehicle.
The arc part 51 and the side parts 52 and 53 are formed as curved surfaces that are gently inclined so as to gradually protrude from the outer surface of the roof to the outside (above the vehicle).
As shown in FIG. 3, the side surface portion 52 is formed as a curved surface that is gently inclined from a position below the panel reference plane P of the roof panel 1 to the panel reference plane P of the roof panel 1 gradually. That is, the side surface portion 43 and the side surface portion 52 form a recess 72 between the fourth reinforcing curved portion 40 and the fifth reinforcing curved portion 50.

そして、円弧部５１及び側面部５２，５３の上端部には、曲面からなる上面部５４が形成されている。
この上面部５４は、図３、図４に示すようにパネル基準面Ｐの高さに形成されている。また、前記側面部５３は、パネル基準面Ｐから緩やかに傾斜した曲面として形成され、その下端部はパネル基準面Ｐの下方位置し、ルーフパネル１に凹部７３が形成される。
また、前記側面部５２，５３、上面部５４は、後部稜線Ｒ２から下降する傾斜面（曲面）とし形成され、稜線５６より前方はルーフパネル１のパネル基準面Ｐとされる。 An upper surface portion 54 having a curved surface is formed at the upper ends of the arc portion 51 and the side surface portions 52 and 53.
The upper surface portion 54 is formed at the height of the panel reference plane P as shown in FIGS. Further, the side surface portion 53 is formed as a curved surface gently inclined from the panel reference surface P, and a lower end portion thereof is positioned below the panel reference surface P, and a recess 73 is formed in the roof panel 1.
Further, the side surface portions 52 and 53 and the upper surface portion 54 are formed as inclined surfaces (curved surfaces) descending from the rear ridge line R <b> 2, and the front side of the ridge line 56 is a panel reference surface P of the roof panel 1.

前記第６の補強湾曲部６０は、平面視上、車両の後部側に円弧部６１が形成され、前記円弧部６１から車両の前方に向かって右側面部６２及び左側面部６３が形成されている。
これら円弧部６１及び側面部６３は、ルーフパネル１のパネル基準面Ｐから徐々にルーフ外表面から外部（車両上方）に突出するように、緩やかに傾斜した曲面として形成されている。 The sixth reinforcing curved portion 60 has an arc portion 61 formed on the rear side of the vehicle in plan view, and a right side surface portion 62 and a left side surface portion 63 formed from the arc portion 61 toward the front of the vehicle.
The arc portion 61 and the side surface portion 63 are formed as gently inclined curved surfaces so as to gradually protrude from the outer surface of the roof to the outside (above the vehicle) from the panel reference plane P of the roof panel 1.

また曲面として形成され前記右側面部６２の下端部は、図３に示すように、ルーフパネル１のパネル基準面Ｐよりも下方に位置し、ルーフパネル１に凹部７３が形成される。
そして、円弧部６１及び側面部６２，６３の上端部には、上面部６４が形成されている。この上面部６４は曲面になされている。
また、前記側面部６２，６３、上面部６４は、後部稜線Ｒ２から下降する傾斜面とし形成され、稜線６６より前方はルーフパネル１のパネル基準面Ｐとされる。
尚、前記稜線４６，５６，６６は同一直線上に位置している。 Further, the lower end portion of the right side surface portion 62 formed as a curved surface is positioned below the panel reference plane P of the roof panel 1 as shown in FIG. 3, and a recess 73 is formed in the roof panel 1.
An upper surface portion 64 is formed at the upper end portions of the arc portion 61 and the side surface portions 62 and 63. The upper surface portion 64 is a curved surface.
Further, the side surface portions 62 and 63 and the upper surface portion 64 are formed as inclined surfaces descending from the rear ridge line R <b> 2, and the front side of the ridge line 66 is the panel reference plane P of the roof panel 1.
The ridge lines 46, 56, 66 are located on the same straight line.

ここで、前記稜線４６，５６，６６と、サンルーフの開口部２の形成予定領域Ｘとの間には、所定の隙間Ｓが設けられている。即ち、第４の補強湾曲部４０、第５の補強湾曲部５０、第６の補強湾曲部６０の前方端部は、前記開口部２の形成予定領域Ｘから所定寸法Ｓ離れた位置から車両後方に向けて形成されている。   Here, a predetermined gap S is provided between the ridge lines 46, 56, 66 and the planned formation region X of the sunroof opening 2. That is, the front end portions of the fourth reinforcing curved portion 40, the fifth reinforcing curved portion 50, and the sixth reinforcing curved portion 60 are rearward of the vehicle from a position that is a predetermined dimension S away from the formation planned region X of the opening 2. It is formed towards.

更に、図４に基づいて、第１〜第６の補強湾曲部１０，２０，３０，４０，５０，６０の高さについて説明する。
車両の幅方向に設けられた両側の補強湾曲部１０，３０，４０，６０は、パネル基準面Ｐよりも高く（パネル基準面ＰよりもＨ１高く）形成され、前記両側の補強湾曲部１０，３０，４０，６０に挟まれる、車両の幅方向の中央に位置する補強湾曲部２０，５０は、前記２個の補強湾曲部の高さよりも低く形成されている。 Further, the heights of the first to sixth reinforcing curved portions 10, 20, 30, 40, 50, 60 will be described with reference to FIG.
The reinforcing curved portions 10, 30, 40, 60 on both sides provided in the width direction of the vehicle are formed higher than the panel reference plane P (H1 higher than the panel reference plane P). Reinforcing curved portions 20 and 50 located in the center in the width direction of the vehicle sandwiched between 30, 40 and 60 are formed lower than the height of the two reinforcing curved portions.

また、車両の幅方向の中央に位置する補強湾曲部２０，５０は同等な構成であるため、補強湾曲部２０を例にとって説明する。
この車両の幅方向に設けられた２個の補強湾曲部１０，３０に挟まれた、中央に位置する補強湾曲部２０の上面部２４は、図４に示すように、パネル基準面Ｐと同一の高さに形成され、前記上面部２４から補強湾曲部２０の側面部２２の下端部まで、高さ寸法（深さ寸法）Ｈ２に形成されている。
したがって、補強湾曲部２０の側面部２２の下端部から、前記補強湾曲部１０の上面部１４までの高さはＨ１＋Ｈ２となり、大きな高さ寸法（凹部７０の深さ寸法）を得ることができる。 Further, since the reinforcing curved portions 20 and 50 located at the center in the width direction of the vehicle have the same configuration, the reinforcing curved portion 20 will be described as an example.
The upper surface portion 24 of the reinforcing bending portion 20 located in the center between the two reinforcing bending portions 10 and 30 provided in the width direction of the vehicle is the same as the panel reference plane P as shown in FIG. A height dimension (depth dimension) H <b> 2 is formed from the upper surface portion 24 to the lower end portion of the side surface portion 22 of the reinforcing curved portion 20.
Therefore, the height from the lower end portion of the side surface portion 22 of the reinforcing curved portion 20 to the upper surface portion 14 of the reinforcing curved portion 10 is H1 + H2, and a large height dimension (depth dimension of the concave portion 70) can be obtained.

ここで、補強湾曲部２０の上面部２４を、前記両側の補強湾曲部１０，３０の上面部１４，３４と同一の高さ（図４の符号２４ａの高さ）に形成することによっても、凹部７０の深さ寸法（Ｈ１＋Ｈ２）を得ることができる。
しかしながら、補強湾曲部２０の上面部２４を、前記両側の補強湾曲部１０、３０の上面部１４、３４と同一の高さに形成すると、両側の補強湾曲部１０，３０によって挟まれた領域（所定幅の領域内に）おいて、高低差のある凹凸（中央に位置する補強湾曲部）が存在するため、視覚的に目立ち、ユーザに対して意匠的に違和感を与え、あまり好ましいものではない。 Here, by forming the upper surface portion 24 of the reinforcing curved portion 20 at the same height as the upper surface portions 14 and 34 of the reinforcing curved portions 10 and 30 on both sides (the height of the reference numeral 24a in FIG. 4), The depth dimension (H1 + H2) of the recess 70 can be obtained.
However, if the upper surface portion 24 of the reinforcing curved portion 20 is formed at the same height as the upper surface portions 14 and 34 of the reinforcing curved portions 10 and 30 on both sides, a region sandwiched between the reinforcing curved portions 10 and 30 on both sides ( Since there is an unevenness (a reinforced curved portion located in the center) with a height difference (within a predetermined width region), it is visually noticeable and gives a sense of discomfort to the user, which is not preferable. .

したがって、車両の幅方向に設けられた両側の補強湾曲部１０，３０，４０，６０は、パネル基準面Ｐよりも高く（パネル基準面ＰよりもＨ１高く）形成され、前記両側の補強湾曲部１０，３０，４０，６０に挟まれる、車両の幅方向の中央に位置する補強湾曲部２０，５０は、前記２個の補強湾曲部の高さよりも低く形成されている。特に、パネル基準面Ｐと同一の高さに形成されているのが好ましい。   Accordingly, the reinforcing curved portions 10, 30, 40, 60 on both sides provided in the width direction of the vehicle are formed higher than the panel reference plane P (H1 higher than the panel reference plane P), and the reinforcing curved portions on the both sides are formed. Reinforcing curved portions 20 and 50 located at the center in the width direction of the vehicle sandwiched between 10, 30, 40 and 60 are formed lower than the height of the two reinforcing curved portions. In particular, it is preferably formed at the same height as the panel reference plane P.

以上のように本発明に係る実施形態によれば、ルーフパネルに第１〜第６の補強湾曲部１０，２０，３０，４０，５０，６０が形成されているため、ルーフパネル１の剛性を強くすることができる。また、第１〜第３の補強湾曲部１０，２０，３０がサンルーフの開口部２の形成領域Ｘ内に形成され、かつ前記第４〜第６の補強湾曲部４０，５０，６０がサンルーフの開口部２の形成領域Ｘの後方に形成されると共に、この第４〜第６の補強湾曲部４０，５０，６０の前方端部がサンルーフの開口部２の形成領域Ｘから所定寸法Ｓ離れた位置に形成されている。そのため、第１〜第６の補強湾曲部１０，２０，３０，４０，５０，６０を形成した後、サンルーフの開口部２を形成することができる。   As described above, according to the embodiment of the present invention, since the first to sixth reinforcing curved portions 10, 20, 30, 40, 50, 60 are formed on the roof panel, the rigidity of the roof panel 1 is increased. Can be strong. The first to third reinforcing curved portions 10, 20, and 30 are formed in the formation region X of the opening portion 2 of the sunroof, and the fourth to sixth reinforcing curved portions 40, 50, and 60 are formed of the sunroof. It is formed behind the formation region X of the opening 2, and the front end portions of the fourth to sixth reinforcing curved portions 40, 50, 60 are separated from the formation region X of the sunroof opening 2 by a predetermined dimension S. Formed in position. Therefore, the sunroof opening 2 can be formed after the first to sixth reinforcing curved portions 10, 20, 30, 40, 50, 60 are formed.

次に、このルーフパネルの製造方法について説明する。
先ず、平板状のルーフパネル基材に、前記した第１〜第６の補強湾曲部１０〜６０を形成する。このとき、第１〜第６の補強湾曲部１０〜６０対応した凹凸曲面を有する金型（一つの金型）で、ルーフパネル基材をプレスすることによって形成する。 Next, the manufacturing method of this roof panel is demonstrated.
First, the first to sixth reinforcing curved portions 10 to 60 are formed on a flat roof panel base material. At this time, it forms by pressing a roof panel base material with the metal mold | die (one metal mold | die) which has the uneven | corrugated curved surface corresponding to the 1st-6th reinforcement curved parts 10-60.

そして、更にサンルーフを設ける場合には、第１〜第６の補強湾曲部１０〜６０が形成されたルーフパネル基材に、サンルーフの開口部をプレスにより穿孔する。
このとき、前記したように、開口部２形成領域Ｘ内に第１〜第３の補強湾曲部１０，２０，３０が収容されており、開口部２の切断線上には、前記第１〜第３の補強湾曲部１０，２０，３０は位置していない。また第４〜第６の補強湾曲部４０，５０，６０も、開口部２の形成領域Ｘから所定寸法Ｓ離れており、開口部２の切断線上には位置していない。
そのため、前記第１〜第６の補強湾曲部１０，２０，３０，４０，５０，６０が形成されたルーフパネルに対して、一つの金型でプレスすることによって、サンルーフの開口部を設けることができ、安価に製造することができる。 And when providing a sunroof further, the opening part of a sunroof is pierced by the press to the roof panel base material in which the 1st-6th reinforcement curved parts 10-60 were formed.
At this time, as described above, the first to third reinforcing curved portions 10, 20, and 30 are accommodated in the opening 2 formation region X, and the first to first reinforcement lines are arranged on the cutting line of the opening 2. The three reinforcing curved portions 10, 20, and 30 are not located. The fourth to sixth reinforcing curved portions 40, 50, 60 are also separated from the formation region X of the opening 2 by a predetermined dimension S and are not located on the cutting line of the opening 2.
Therefore, the sunroof opening is provided by pressing the roof panel on which the first to sixth reinforcing curved portions 10, 20, 30, 40, 50, 60 are formed with a single mold. Can be manufactured at low cost.

１ ルーフパネル
２ サンルーフの開口部
１０ 第１の補強湾曲部
１１ 円弧部
１２ 側面部
１３ 側面部
１４ 上面部
２０ 第２の補強湾曲部
２１ 円弧部
２２ 側面部
２３ 側面部
２４ 上面部
３０ 第３の補強湾曲部
３１ 円弧部
３２ 側面部
３３ 側面部
３４ 上面部
４０ 第４の補強湾曲部
４１ 円弧部
４２ 側面部
４３ 側面部
４４ 上面部
５０ 第５の補強湾曲部
５１ 円弧部
５２ 側面部
５３ 側面部
５４ 上面部
６０ 第６の補強湾曲部
６１ 円弧部
６２ 側面部
６３ 側面部
６４ 上面部
Ｖ 車両
Ｆ 車両前方
Ｒ 車両後方
Ｒ１ 前部稜線
Ｒ２ 後部稜線
Ｐ パネル基準面
Ｘ 開口部形成予定領域 DESCRIPTION OF SYMBOLS 1 Roof panel 2 Sunroof opening 10 1st reinforcement curved part 11 Arc part 12 Side part 13 Side part 14 Upper surface part 20 Second reinforcement curved part 21 Arc part 22 Side part 23 Side part 24 Upper part 30 Third part Reinforcing curved portion 31 Arc portion 32 Side surface portion 33 Side surface portion 34 Upper surface portion 40 Fourth reinforcing curved portion 41 Arc portion 42 Side surface portion 43 Side surface portion 44 Upper surface portion 50 Fifth reinforcing curved portion 51 Arc portion 52 Side surface portion 53 Side surface portion 54 Upper surface portion 60 Sixth reinforcing curved portion 61 Arc portion 62 Side surface portion 63 Side surface portion 64 Upper surface portion V Vehicle F Vehicle front R Vehicle rear R1 Front ridge line R2 Rear ridge line P Panel reference plane X Opening formation scheduled region

Claims (6)

車両の前方領域において、車両の前後方向に延設され、かつ車両の幅方向に設けられた複数の一の補強湾曲部と、車両の後方領域において、車両の前後方向に延設され、かつ車両の幅方向に設けられた複数の他の補強湾曲部と、を備えたルーフパネルであって、
前記一の補強湾曲部がサンルーフの開口部形成領域内に形成され、かつ前記他の補強湾曲部がサンルーフの開口部形成領域の後方に形成されると共に、前記他の補強湾曲部の前方端部がサンルーフの開口部形成領域から所定寸法離れた位置に形成されていることを特徴とするルーフパネル。 A plurality of one reinforcing curved portion provided in the vehicle front-rear direction and provided in the vehicle width direction; and a vehicle rear region provided in the vehicle front-rear direction and extending in the vehicle front-rear direction. A plurality of other reinforcing curved portions provided in the width direction of the roof panel,
The one reinforcing curved portion is formed in an opening forming region of the sunroof, and the other reinforcing curved portion is formed behind the opening forming region of the sunroof, and a front end portion of the other reinforcing curved portion. Is formed at a position separated from the opening formation region of the sunroof by a predetermined dimension. 前記一の補強湾曲部は、平面視上車両の前部側に円弧部が形成され、前記円弧部から車両の後方に向かって右側面部及び左側面部が形成され、更に、側面視上パネル基準面から緩やかな傾斜をもって車両上方に突出して、円弧部、右側面部、左側面部が形成され、その上方に上面部が形成され、
前記他の補強湾曲部は、平面視上車両の後部側に円弧部が形成され、前記円弧部から車両の前方に向かって右側面部及び左側面部が形成され、更に、側面視上パネル基準面から緩やかな傾斜をもって車両上方に突出して、円弧部、右側面部、左側面部が形成され、その上方に上面部が形成され、
前記一の補強湾曲部及び他の補強湾曲部を構成する、円弧部、右側面部、左側面部、上面部が曲面によって形成されていることを特徴とする請求項１記載のルーフパネル。 The one reinforcing curved portion has an arc portion formed on the front side of the vehicle in plan view, a right side surface portion and a left side surface portion formed from the arc portion toward the rear of the vehicle, and further, a side surface view panel reference surface Projecting upward from the vehicle with a gentle slope, an arc portion, a right side surface portion, a left side surface portion are formed, and an upper surface portion is formed above the arc portion,
The other reinforcing curved portion is formed with an arc portion on the rear side of the vehicle in a plan view, a right side portion and a left side portion are formed from the arc portion toward the front of the vehicle, and further from the side of the panel reference plane in the side view. Projecting upward with a gentle slope, an arc, a right side, and a left side are formed, and an upper surface is formed above the arc,
The roof panel according to claim 1, wherein an arc portion, a right side surface portion, a left side surface portion, and an upper surface portion constituting the one reinforcing curved portion and the other reinforcing curved portion are formed by curved surfaces. 前記一の補強湾曲部は、３個の補強湾曲部によって構成され、
車両の幅方向の両側に設けられた２個の補強湾曲部は、パネル基準面よりも高く形成され、
前記２個の補強湾曲部に挟まれる、車両の幅方向の中央に位置する補強湾曲部は、前記２個の補強湾曲部の高さよりも低く形成されていることを特徴する請求項１または請求項２記載のルーフパネル。 The one reinforcing curved portion is constituted by three reinforcing curved portions,
Two reinforcing curved portions provided on both sides in the width direction of the vehicle are formed higher than the panel reference plane,
The reinforcing curved part located in the center of the width direction of the vehicle sandwiched between the two reinforcing curved parts is formed lower than the height of the two reinforcing curved parts. Item 3. The roof panel according to item 2. 前記他の補強湾曲部は、３個の補強湾曲部によって構成され、
車両の幅方向の両側に設けられた２個の補強湾曲部は、パネル基準面よりも高く形成され、
前記２個の補強湾曲部に挟まれる、車両の幅方向の中央に位置する補強湾曲部は、前記２個の補強湾曲部の高さよりも低く形成されていることを特徴する請求項１または請求項２記載のルーフパネル。 The other reinforcing curved portion is constituted by three reinforcing curved portions,
Two reinforcing curved portions provided on both sides in the width direction of the vehicle are formed higher than the panel reference plane,
The reinforcing curved part located in the center of the width direction of the vehicle sandwiched between the two reinforcing curved parts is formed lower than the height of the two reinforcing curved parts. Item 3. The roof panel according to item 2. 車両の幅方向に設けられた２個の補強湾曲部に挟まれた、中央に位置する補強湾曲部の高さが、パネル基準面と同一の高さに形成されていることを特徴とする請求項３または請求項４に記載のルーフパネル。   The height of the central reinforcing curved portion sandwiched between two reinforcing curved portions provided in the width direction of the vehicle is formed at the same height as the panel reference plane. The roof panel according to claim 3 or claim 4. 請求項１乃至請求項６のいずれか１項に記載されたルーフパネルの製造方法において、
平板状のルーフパネル基材を、一及び他の補強湾曲部が形成された一つの金型でプレスし、補強湾曲部を形成する工程と、
前記補強湾曲部の形成工程の後、サンルーフを設ける場合には、前記ルーフパネル基材に、開口部をプレスにより形成することを特徴とするルーフパネル製造方法。 In the manufacturing method of the roof panel given in any 1 paragraph of Claims 1 thru / or 6,
Pressing the flat roof panel base material with one mold in which one and other reinforcing curved portions are formed, and forming the reinforcing curved portion;
When a sunroof is provided after the step of forming the reinforcing curved portion, the roof panel base material is formed with an opening by pressing.
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JP2014237378A (en) * 2013-06-07 2014-12-18 スズキ株式会社 Vehicle body panel
JP2021181277A (en) * 2020-05-19 2021-11-25 ダイハツ工業株式会社 Vehicular roof structure

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