JP3610796B2 - Automobile roof structure - Google Patents

Automobile roof structure Download PDF

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Publication number
JP3610796B2
JP3610796B2 JP35208498A JP35208498A JP3610796B2 JP 3610796 B2 JP3610796 B2 JP 3610796B2 JP 35208498 A JP35208498 A JP 35208498A JP 35208498 A JP35208498 A JP 35208498A JP 3610796 B2 JP3610796 B2 JP 3610796B2
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Japan
Prior art keywords
bead
roof
vertical
beads
horizontal
Prior art date
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Expired - Fee Related
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JP35208498A
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Japanese (ja)
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JP2000159146A (en
Inventor
敏郎 築山
隆一 谷本
九州男 永吉
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Toyota Auto Body Co Ltd
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Toyota Auto Body Co Ltd
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Priority to JP35208498A priority Critical patent/JP3610796B2/en
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Description

【0001】
【発明の属する技術分野】
本発明は、自動車のルーフ構造、特にルーフパネルにビードを形成したルーフ構造に関するものである。
【0002】
【従来の技術】
ルーフパネルにビードを形成して剛性を強化したルーフ構造は、比較的ルーフ位置が高いトラックバン等の自動車において多く採用されている。この場合、ビードは、これ等の間に形成される溝を伝って流れる雨水が左右のフロントピラーに沿って流下排出されるように配設されている(実開平5−89612号)。
【0003】
図2はこの種のルーフ構造の代表例を示すもので、車両のルーフパネル1にはその左右両側にルーフドリップ6が形成され、両ルーフドリップ6間には前端に上方へ突出し車幅方向に延びる横ビード2が形成されるとともに、上方へ突出し車両前後方向に延びる複数の縦ビード3が互いに平行に形成され、これにより各縦ビード3間には凹状の縦溝4が形成され、横ビード2と、これと一定の間隔をおいて対向する縦ビード3の前端との間には車幅方向に延びる横溝5が形成されている。横溝2はルーフドリップ6に連通している。
【0004】
縦溝4および横溝5は排水路となり、ルーフの雨水は各縦溝4を前方へ流下して横溝5に集められ、集められた雨水は左右に流れてルーフドリップ6に入り、ルーフドリップ6からフロントガラス8をフロントピラー7に沿って流下排出されるようになっている。
【0005】
【発明が解決しようとする課題】
ところが、降雨量が多いと、図2において破線で示すように横ビード2の後側面に沿って横溝5を流れる雨水Wはその流勢で、ほぼ直角状の上記後側面の端末コーナ部21を離れてそのまま車幅方向に流れ、ルーフドリップ6を乗り越えて車体側面のドア開口上縁に至り、ドア9やドアガラス90を開いたときに、ドア開口上縁から滴下する。車体の側面は一般に下方へ向けて広がるように傾斜しているから、滴下した雨水が車室内のシート等を汚すおそれがあった。
【0006】
そこで、本発明は、ルーフにビードを形成した自動車において、上記した車室への雨水の滴下を防止することを課題としてなされたっものである。
【0007】
【課題を解決するための手段】
本発明は、ルーフパネルの左右両側にルーフドリップを形成し、両ルーフドリップの間には前端に車幅方向に延びる横ビードを形成するとともに、横ビードの後方にこれと隔離して車両前後方向に延び幅が横ビードよりも狭い縦ビードを所定間隔をおいて複数形成し、各ビード間に形成される溝を雨水排水路としてルーフドリップに連通させた自動車のルーフ構造において、上記横ビードの後側左右両端コーナ部を、横ビードに沿って車幅方向に流れる雨水を車両前方へ指向させるアール形状に形成し、かつ、上記複数の縦ビードのうち、左右最外端の縦ビードは、その外側面の前方への延長線が横ビードの端面前端と合致する位置とするとともに、左右最外端の縦ビードの前端を他の縦ビードの前端よりも前方へ延出せしめて、横ビードの上記アール形状のコーナ部のコーナ中心部と対向せしめる。
【0008】
上記ルーフ構造において、横ビードの後側面に沿って車幅方向に流れる雨水は、横ビードの両端でアール形状のコーナ部に沿い前方へ流下する。また、雨量が多く、横溝を流れる雨水の一部が横ビードの両端から更に直進しても、延出せしめた最外端の縦ビードの前端部により遮られて方向を変えて前方へ流下する。
【0009】
【発明の実施の形態】
図1(A)および図1(B)に示すように、トラックのキャビンのルーフパネル1は、車幅方向中央の主ルーフパネル1Aと、左右両側の副ルーフパネル1Bからなり、図1(C)に示すように両パネル1A,1Bはこれらの端縁11,12で溶接してある。
【0010】
主ルーフパネル1Aの前端には左右の溶接代を残して車幅方向に横ビード2が形成してある。横ビード2は広幅で、その上面は、フロントガラス8面を連続する曲面としてあり、後側面および左右の両端面はほぼ垂直面としてある。横ビード2の後側の左右両端のコーナ部21は、上記端面の前端から円弧状に湾曲して後側面に連なるアール形状としてある。コーナ部21の曲率半径はほぼ70〜120mmである。なお、図において80はフロントガラス8を囲むウインドモールである。
【0011】
主ルーフパネル1Aには更に、車幅方向に所定の間隔をおいて、車両の前後方向に延びる複数の縦ビード3が形成してあり、各縦ビード3間には凹状の縦溝4が形成されている。各縦ビード3は、高さは横ビード2とほぼ同じで幅は横ビード2よりも狭くしてある。縦ビード3のうち左右最外端の縦ビード3aはその外側面の前方への延長線が横ビード2の端面前端とほぼ合致する位置としてある。
【0012】
上記最外端の縦ビード3a以外の縦ビード3の前端は、縦溝4の溝幅とほぼ同じ間隔をおいて横ビード2の後側面と対向している。縦ビード3aの前端は、上記コーナ部21がアール形状に面とりされた分、他の縦ビード3よりも前方に延出せしめてあり、縦溝4の溝幅とほぼ同じないしはそれよりも若干狭い間隔をおいてコーナ部21のコーナ中心部と対向している。これにより横ビード2と、縦ビード3、3aの前端間には、車幅方向に直線状に延び左右両端が前方へ向けて湾曲し、縦ビード3,3a側の各縦溝4と連通する横溝5が形成されている。縦ビード3,3aの後端はルーフパネル1の後端まで延びている。
【0013】
主ルーフパネル1Aは全体として、前方へ向けて緩やかに下降し、車幅方向中央から左右に向けて緩やかに下降する湾曲傾斜面としてある。
【0014】
副ルーフパネル1Bは、図1(C)に示すように、断面山形で、その内側下端縁12はフランジ状に車幅方向内方へ延びている。一方、主ルーフパネル1Aの左右の両端縁11はフランジ状に車幅方向外側へ延びている。上記端縁11,12は上下に重ね合わせて溶接してあり、これにより主ルーフパネル1Aと副ルーフパネル1Bは一連に結合されている。そしてこの結合部により、最外端の縦ビード3aの外側面および横ビード2の端面と、山形の副ルーフパネル1Bとの間に、車両前後方向に延びて横溝5と連通し、前端がフロントガラス8に至る凹溝状のルーフドリップ6が形成されている。
【0015】
なお、副ルーフパネル1Bの前端は主ルーフパネル1Aの前端よりも更に前方へ帯状に延出し、フロントピラー7の外板を形成している。図において、9はキャビン側面のドアのドアフレーム、90はドアガラスである。
【0016】
上記のように構成したキャビンのルーフにおいて、図において破線で示すように、降雨は縦溝4および横溝5に集められ、各縦溝4に集められた雨水は流下して横溝5の雨水と合流し、横溝5を横ビード2の後側面に沿って左右に流れる。流水は横溝5の端部でコーナ部21に沿い、かつ最外端の縦ビード3aの前端に規制されて前方へ流れ、ルーフドリップ6から排出されてフロントガラス8面をフロントピラー7に沿って流下する。
【0017】
この場合、コーナ部21を囲む横溝5およびルーフドリップ6の底面は前方へ下降する傾斜面をなしており、かつコーナ部21は角度が急変せず緩やかな曲面をなしているから、流水は自然にコーナ部21に沿って流れる。降雨多量の場合、横溝5の流水はその一部が流勢でコーナ部21に沿わずに直進しようとするが、縦ビード3aの前端で遮られて前方へ方向変換する。そしてたとえ、直進した流水の一部が縦ビード3aを乗り越えることがあっても、更にそれがルーフドリップ6を乗り越えることはない。
【0018】
従って、降雨時にドアやドアガラスを開いても、ルーフの雨水がドア開口の上縁から車室内に滴下し、車室を汚すようなことはない。
【0019】
【発明の効果】
本発明の自動車のルーフ構造によれば、降雨時、ルーフの溝に集められた雨水はルーフ前端に設けた横ビードのアール形状とした両端コーナ部に導かれ、これに沿って前方へ流れてフロントピラーに沿って排出されるから、降雨時にドアやドアガラスを開いても車室内にルーフの雨水が滴下することなく、ルーフの雨水で車室が汚されるおそれはない。
【図面の簡単な説明】
【図1】本発明のルーフ構造を示すもので、(A)は要部斜視図、(B)は要部平面図、(C)は(B)のIC−IC線に沿う断面図である。
【図2】従来のルーフ構造を示すもので、(A)は要部斜視図、(B)は要部平面図である。
【符号の説明】
1 ルーフパネル
2 横ビード
21 コーナ部
3,3a 縦ビード
4 縦溝
5 横溝
6 ルーフドリップ
7 フロントピラー
8 フロントガラス
9 ドアフレーム
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automobile roof structure, and more particularly to a roof structure in which beads are formed on a roof panel.
[0002]
[Prior art]
A roof structure in which a bead is formed on a roof panel to enhance rigidity is widely used in automobiles such as truck vans having a relatively high roof position. In this case, the beads are arranged so that rainwater flowing through the grooves formed therebetween is discharged along the left and right front pillars (Japanese Utility Model Laid-Open No. 5-89612).
[0003]
FIG. 2 shows a typical example of this type of roof structure. A roof panel 1 of a vehicle has roof drip 6 formed on both right and left sides thereof, and projects between the roof drip 6 upward at the front end in the vehicle width direction. The extending horizontal beads 2 are formed, and a plurality of vertical beads 3 projecting upward and extending in the vehicle front-rear direction are formed in parallel to each other, whereby concave vertical grooves 4 are formed between the vertical beads 3. A lateral groove 5 extending in the vehicle width direction is formed between 2 and the front end of the vertical bead 3 facing this at a predetermined interval. The lateral groove 2 communicates with the roof drip 6.
[0004]
The vertical grooves 4 and the horizontal grooves 5 serve as drainage channels, and rainwater from the roof flows down the respective vertical grooves 4 and is collected in the horizontal grooves 5. The collected rainwater flows to the left and right and enters the roof drip 6, and from the roof drip 6. The windshield 8 is discharged down along the front pillar 7.
[0005]
[Problems to be solved by the invention]
However, when the amount of rainfall is large, as shown by a broken line in FIG. When the door 9 and the door glass 90 are opened when the door 9 and the door glass 90 are opened, they drop from the upper edge of the door opening. Since the side surface of the vehicle body is generally inclined so as to spread downward, there is a risk that the rainwater dripped will contaminate the seats in the vehicle interior.
[0006]
Therefore, the present invention has been made with an object of preventing dripping of rainwater into the above-described passenger compartment in an automobile having a bead formed on the roof.
[0007]
[Means for Solving the Problems]
In the present invention, roof drip is formed on both the left and right sides of the roof panel, and a lateral bead extending in the vehicle width direction is formed between the both roof drips in the vehicle width direction, and separated from the rear side of the lateral bead in the vehicle longitudinal direction. In the roof structure of an automobile, a plurality of vertical beads that are narrower than the horizontal beads are formed at predetermined intervals, and a groove formed between the beads is connected to the roof drip as a rainwater drainage channel. The rear left and right end corner portions are formed in a round shape that directs rainwater flowing in the vehicle width direction along the horizontal bead to the front of the vehicle, and among the plurality of vertical beads, the vertical beads at the left and right outermost ends are with the position where the extension line to the front of its outer surface is matched with the end face the front end of the transverse beads, left tighten not extend forward from the front end of the longitudinal bead front end of the longitudinal bead of the other outermost end, of the horizontal bead Serial allowed to face the corner center of the corner portion of the rounded shape.
[0008]
In the roof structure, rainwater flowing in the vehicle width direction along the rear side surface of the horizontal bead flows forward along the rounded corner portions at both ends of the horizontal bead. Also, even if there is a lot of rain and a part of rainwater flowing through the horizontal groove goes further straight from both ends of the horizontal bead, it is blocked by the front end of the extended outermost vertical bead and changes its direction to flow forward. .
[0009]
DETAILED DESCRIPTION OF THE INVENTION
As shown in FIGS. 1A and 1B, the roof panel 1 of the truck cabin is composed of a main roof panel 1A in the center in the vehicle width direction and sub roof panels 1B on the left and right sides. The two panels 1A and 1B are welded at their end edges 11 and 12 as shown in FIG.
[0010]
A lateral bead 2 is formed in the vehicle width direction at the front end of the main roof panel 1A leaving left and right welding allowances. The horizontal bead 2 is wide, and its upper surface is a curved surface that continues the front glass 8 surface, and the rear side surface and the left and right end surfaces are substantially vertical surfaces. The corner portions 21 at the left and right ends of the rear side of the horizontal bead 2 are curved in an arc shape from the front end of the end face and have a rounded shape connected to the rear side face. The radius of curvature of the corner portion 21 is approximately 70 to 120 mm. In the figure, reference numeral 80 denotes a wind molding surrounding the windshield 8.
[0011]
The main roof panel 1A is further formed with a plurality of vertical beads 3 extending in the front-rear direction of the vehicle at a predetermined interval in the vehicle width direction, and a concave vertical groove 4 is formed between the vertical beads 3. Has been. Each vertical bead 3 is substantially the same height as the horizontal bead 2 and the width is narrower than the horizontal bead 2. Of the vertical beads 3, the vertical bead 3 a at the outermost left and right ends is a position where the forward extension of the outer surface substantially coincides with the front end of the end surface of the horizontal bead 2.
[0012]
The front end of the vertical bead 3 other than the vertical bead 3a at the outermost end faces the rear side surface of the horizontal bead 2 at substantially the same interval as the groove width of the vertical groove 4. The front end of the vertical bead 3a extends forward from the other vertical beads 3 by the amount of the corner portion 21 chamfered, and is substantially the same as or slightly narrower than the groove width of the vertical groove 4. The corner portion 21 of the corner portion 21 is opposed to the corner center portion. Thereby, between the front end of the horizontal bead 2 and the vertical beads 3 and 3a, it extends linearly in the vehicle width direction, the left and right ends are curved forward, and communicates with the vertical grooves 4 on the vertical beads 3 and 3a side. A lateral groove 5 is formed. The rear ends of the vertical beads 3 and 3 a extend to the rear end of the roof panel 1.
[0013]
The main roof panel 1A as a whole has a curved inclined surface that gently descends toward the front and gently descends from the center in the vehicle width direction to the left and right.
[0014]
As shown in FIG. 1C, the sub roof panel 1B has a mountain-shaped cross section, and its inner lower edge 12 extends inward in the vehicle width direction in a flange shape. On the other hand, the left and right end edges 11 of the main roof panel 1A extend outward in the vehicle width direction in a flange shape. The end edges 11 and 12 are welded so as to overlap each other, whereby the main roof panel 1A and the sub roof panel 1B are joined together. The connecting portion extends in the vehicle longitudinal direction between the outer surface of the outermost vertical bead 3a and the end surface of the horizontal bead 2 and the mountain-shaped sub roof panel 1B and communicates with the horizontal groove 5, and the front end is the front A groove-shaped roof drip 6 reaching the glass 8 is formed.
[0015]
The front end of the sub roof panel 1B extends in a band shape further forward than the front end of the main roof panel 1A to form an outer plate of the front pillar 7. In the figure, 9 is a door frame of a door on the side of the cabin, and 90 is a door glass.
[0016]
In the cabin roof constructed as described above, as shown by the broken lines in the figure, the rain is collected in the vertical grooves 4 and the horizontal grooves 5, and the rainwater collected in each vertical groove 4 flows down and joins the rainwater in the horizontal grooves 5. Then, it flows in the horizontal groove 5 from side to side along the rear side surface of the horizontal bead 2. The flowing water flows along the corner portion 21 at the end of the horizontal groove 5, and flows forward while being regulated by the front end of the vertical bead 3 a at the outermost end, and is discharged from the roof drip 6 along the front pillar 7. Flow down.
[0017]
In this case, the lateral groove 5 surrounding the corner portion 21 and the bottom surface of the roof drip 6 form an inclined surface that descends forward, and the corner portion 21 does not change abruptly and has a gentle curved surface. It flows along the corner 21. In the case of a large amount of rainfall, a part of the flowing water in the horizontal groove 5 tends to go straight without going along the corner portion 21 due to the current, but is blocked by the front end of the vertical bead 3a and redirected forward. And even if a part of the straight running water gets over the vertical bead 3 a, it does not get over the roof drip 6.
[0018]
Therefore, even if the door or the door glass is opened during rain, rain water on the roof does not drip into the vehicle interior from the upper edge of the door opening, and the vehicle interior is not soiled.
[0019]
【The invention's effect】
According to the roof structure of the automobile of the present invention, rain water collected in the groove of the roof at the time of rain is guided to the rounded corner portions of the lateral beads provided at the front end of the roof, and flows forward along this. Since it is discharged along the front pillar, even if the door or the door glass is opened during rain, the rain water in the roof does not drip into the vehicle interior, and there is no possibility that the vehicle interior will be soiled by the rain water in the roof.
[Brief description of the drawings]
1A and 1B show a roof structure of the present invention, in which FIG. 1A is a perspective view of a main part, FIG. 1B is a plan view of the main part, and FIG. 1C is a cross-sectional view taken along line IC-IC in FIG. .
2A and 2B show a conventional roof structure, in which FIG. 2A is a perspective view of a main part and FIG. 2B is a plan view of the main part.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Roof panel 2 Horizontal bead 21 Corner part 3, 3a Vertical bead 4 Vertical groove 5 Horizontal groove 6 Roof drip 7 Front pillar 8 Windshield 9 Door frame

Claims (1)

ルーフパネル(1)の左右両側にルーフドリップ(6)を形成し、両ルーフドリップ(6)の間には前端に車幅方向に延びる横ビード(2)を形成するとともに、横ビード(2)の後方にこれと隔離して車両前後方向に延び幅が横ビード(2)よりも狭い縦ビード(3)を所定間隔をおいて複数形成し、各ビード間に形成される溝(4,5)を雨水排水路としてルーフドリップ(6)に連通させた自動車のルーフ構造において、上記横ビード(2)の後側左右両端コーナ部(21)を、横ビード(2)に沿って車幅方向に流れる雨水を車両前方へ指向させるアール形状に形成し、かつ、上記複数の縦ビード(3)のうち、左右最外端の縦ビード(3a)は、その外側面の前方への延長線が横ビード(2)の端面前端と合致する位置とするとともに、左右最外端の縦ビード(3a)の前端を他の縦ビード(3)の前端よりも前方へ延出せしめて、横ビード(2)の上記アール形状のコーナ部(21)のコーナ中心部と対向せしめたことを特徴とする自動車のルーフ構造。A roof drip (6) is formed on both the left and right sides of the roof panel (1), a lateral bead (2) extending in the vehicle width direction is formed between the roof drips (6) at the front end, and a lateral bead (2) A plurality of vertical beads (3) that are separated from the rear and extend in the vehicle front-rear direction and are narrower than the horizontal beads (2) are formed at predetermined intervals, and grooves (4, 5) formed between the beads. ) and the roof structure of an automobile communicated with the roof drip (6) as a rainwater drainage, the side left and right end corners after the lateral bead (2) (21), the vehicle width direction along the lateral bead (2) The vertical bead (3a) at the left and right outermost ends of the plurality of vertical beads (3) has an extension line to the front of its outer side surface. When the position coincides with the front end of the end face of the horizontal bead (2) The left and right occupy not extend forward from the front end of the front end of the other longitudinal bead of the longitudinal bead of the outermost end (3a) (3), the corner center of the corner portion of the radius shape of the lateral bead (2) (21) A roof structure of an automobile characterized by facing the part .
JP35208498A 1998-11-26 1998-11-26 Automobile roof structure Expired - Fee Related JP3610796B2 (en)

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JP35208498A JP3610796B2 (en) 1998-11-26 1998-11-26 Automobile roof structure

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JP35208498A JP3610796B2 (en) 1998-11-26 1998-11-26 Automobile roof structure

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JP3610796B2 true JP3610796B2 (en) 2005-01-19

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JP6145886B2 (en) * 2014-02-07 2017-06-14 本田技研工業株式会社 Auto body structure
JP6567407B2 (en) * 2015-12-22 2019-08-28 株式会社クボタ Canopy and work equipment with canopy
CN109178105B (en) * 2018-10-24 2024-01-16 荣成恒力车业有限公司 Roof of motor home
CN113335386B (en) * 2021-06-16 2022-07-01 东风柳州汽车有限公司 Glass fiber reinforced plastic top cover assembly

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