JP3965957B2 - Cowl drainage structure - Google Patents

Cowl drainage structure Download PDF

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Publication number
JP3965957B2
JP3965957B2 JP2001305077A JP2001305077A JP3965957B2 JP 3965957 B2 JP3965957 B2 JP 3965957B2 JP 2001305077 A JP2001305077 A JP 2001305077A JP 2001305077 A JP2001305077 A JP 2001305077A JP 3965957 B2 JP3965957 B2 JP 3965957B2
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JP
Japan
Prior art keywords
cowl
upper member
apron upper
fender liner
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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JP2001305077A
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Japanese (ja)
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JP2003104238A (en
Inventor
誠 木村
賢二 柳田
敏郎 築山
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Toyota Auto Body Co Ltd
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Toyota Auto Body Co Ltd
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Priority to JP2001305077A priority Critical patent/JP3965957B2/en
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Description

【0001】
【発明の属する技術分野】
本発明は自動車のカウルに侵入した雨水等を車外へ排出するカウルの排水構造、特にカウルからエプロンアッパメンバの内部を通してフェンダライナーに沿って排出する排水構造に関する。
【0002】
【従来の技術】
一般に、自動車のカウルは、エンジンルームの左右の閉断面構造のエプロンアッパメンバとフロントピラーの結合部間に架設され、フロントガラスの下縁を支持している。図4に示すように、カウル1は閉断面構造で、前縁に沿って棚状の開きカウル10が結合され、カウル1および開きカウル10は両端が左右のエプロンアッパメンバに溶接されている。カウル1の上面にはフロントガラスGの下端が接着されている。開きカウル10の上部には開口を塞ぐカウルルーバ11が設置されており、カウルルーバ11の後縁はフロントガラスGの下縁に支持されている。
【0003】
カウル1および開きカウル10は、エンジンフードEの後縁をまわり込む外気をカウルルーバ11のスリット12から開きカウル10内へ取り込むとともに、前面開口13を通してカウル1内へ取り込むようにしてあり、取り込まれた外気はカウル1に連結された図略のダクトにより車室へ送られる。カウル1および開きカウル10は、外気とともに雨水等も侵入するため、排水する必要がある。
【0004】
図5は従来のカウル1および開きカウル10の排水構造の代表例を示す。図において2はエプロンアッパメンバ、3はフロントピラーである。カウル1および開きカウル10の端部が結合されたエプロンアッパメンバ2の内壁には、カウル1内と連通する開口部4aと、開きカウル10内と連通する開口部4bが形成されており、カウル1内および開きカウル10内に侵入した雨水等を各開口部4a、4bよりエプロンアッパメンバ2内へ排水するようにしている。そして、エプロンアッパメンバ2内へ排水された雨水は、エプロンアッパメンバ2の底壁の前端および後端に設けた水抜き穴5b,5cから下方へ排水される。
【0005】
エプロンアッパメンバ2の直下位置には、フェンダパネル8内側に、ホイールハウスを形成するアーチ状のフェンダライナー7が設置されている。フェンダライナー7の中央頂面には上方へ膨出する角形の膨出部71が設けてあり、その頂上部はほぼ水平面をなす。前端の水抜き穴5bから排水された雨水は、フェンダライナー7の膨出部71よりも前側に落下し、フェンダライナー7の前半部に沿って流下してフェンダライナー7の前端下部より車外へ排水される。一方、後端の水抜き穴5cから排水された雨水は、膨出部71よりも後側に落下し、フェンダライナー7の後半部に沿って流下してフェンダライナー7の後端下部より車外へ排水される。
【0006】
【発明が解決しようとする課題】
しかしながら、従来の排水構造では、車両走行時、フェンダライナー7の後半部に沿って流下する雨水は、図6に示すように、フェンダライナー7の後半部の下端付近において、フェンダパネル8内に侵入する走行風等によりフェンダパネル8の内面に沿って後方へ流されやすい。特に、寒冷地走行時に融雪水がフェンダライナー7の後半部に沿って流下すると、流下した融雪水icは、フロントドアDとの見切りを形成するフェンダパネル8の後縁フランジ80まわりに凍結して付着し、ドアD開放時にドア前縁と干渉してドアDの開閉に支障をきたすおそれがあった。図においてD1はドアDのヒンジ部材である。
【0007】
そこで本発明は、カウルから排出される排水のフェンダパネル後縁下端への流下を防止し、寒冷時においてフロントドアの開閉に支障をきたすことがないカウルの排水構造を実現することを課題としてなされたものである。
【0008】
【課題を解決するための手段】
本発明は、車両のエンジンルームの側壁の上縁をなす車両前後方向に延びる閉断面構造のエプロンアッパメンバと車幅方向に延びるカウルとの結合部に、エプロンアッパメンバの内壁を貫通してカウル内とエプロンアッパメンバ内とを連通する開口部を設け、カウル内に侵入した雨水等を、上記開口部によりエプロンアッパメンバ内へ排出するとともに、エプロンアッパメンバの底壁に設けた水抜き穴から下方へ排出し、エプロンアッパメンバの下方で、車体外側壁をなすフェンダパネルの内側に設置されてホイールハウスを形成するアーチ状のフェンダライナーに沿って流下せしめて車外へ排水するカウルの排水構造において、上記フェンダライナーの中央頂面に上方へ膨出する膨出部を形成し、上記エプロンアッパメンバの水抜き穴を上記膨出部の直上位置に形成する一方、上記膨出部の頂上部には、上記水抜き穴から落下する排水を受けてフェンダライナーの前側へ向けて流下せしめる前下がり傾斜状の排水溝を形成する(請求項1)。カウルからエプロンアッパメンバ内へ排出された排水をエプロンアッパメンバの水抜き穴からフェンダライナーの膨出部の排水溝へ落下させ、排水溝によりフェンダライナーの前側へのみ流下せしめるようにしたので、フェンダライナーの後側への排水の流れ込みを防ぐことができ、フェンダパネル後縁下端の凍結が防止できる。
【0009】
上記エプロンアッパメンバの底壁の上記水抜き穴の後方位置と、上記フェンダライナーの膨出部の上記排水溝の後端位置とにそれぞれ、雨水等の後方への流れを防ぐ凸状の水返しビードを設ける(請求項2)。各水返しビードにより、エプロンアッパメンバ内の後方への排水の流れ込み、およびフェンダライナー後方への排水の流れ込みを確実に防止できる。
【0010】
【発明の実施の形態】
本発明のカウルの排水構造をセミボンネットタイプのワゴン車に適用した実施形態を説明する。図1に示すように、車体前部のエンジンルーム側面部は、エンジンルームの左右の側壁上縁を構成する前後方向のエプロンアッパメンバ2を備え、エプロンアッパメンバ2は後端が左右のフロントピラー3の上下中間部30に結合してある。また、エプロンアッパメンバ2の下方位置に、フロントホイールのホイールハウスを形成するアーチ状のフェンダライナー7が設置してある。そして、エプロンアッパメンバ2、フロントピラー3の下半部、およびフェンダライナー7はそれらの外側を、車体前部外側面を構成するフェンダパネル8で被覆してある。
【0011】
図1および図2に示すように、エプロンアッパメンバ2は、断面ほぼL字形のアウタパネル2aと、断面ほぼ逆L字形のインナパネル2bとからなる閉断面構造としてある。エプロンアッパメンバ2は、前方へほぼ三角形状に膨出するフロントピラー3の中間部30の前端からその下縁に沿ってメンバ2後端を縦長に溶接してあり、エプロンアッパメンバ2の上面はフロントウィンドウ開口の側縁を構成するフロントピラー3上半部の傾斜に沿って前下がり傾斜状をなす。一方、メンバ底壁20はほぼ水平で、エプロンアッパメンバ2は前端にかけて先細り形状である。フロントピラー3の中間部30には三角形のフィックスウィンドウ開口31が設けてある。
【0012】
フェンダライナー7は合成樹脂を射出成形したアーチ状の板体で、中央頂面には、エンジンルームの側壁のサスペンションタワーS(図2に一部を示す)に対応して上方へ膨出する角形の膨出部71が形成してある。フェンダライナー7は、車内側の側縁をエンジンルームの側壁に締結してある。
【0013】
フェンダパネル8は、その上縁をエプロンアッパメンバ2の上面に締結固定してあり、アーチ状の下縁をフェンダライナー7の車外側の側縁に沿って締結してある。また、フェンダパネル8の後縁はフロントドアDの前縁と対向してドア見切り部を形成する。図1において、Hはヘッドライト、Bはフロントバンパーで、フロントバンパーBの後端はフェンダライナー7の前端下部の外側を覆う。
【0014】
図1および図4に示すように、左右のエプロンアッパメンバ2間には、車幅方向にフロントウィンドウ開口下縁を構成するカウル1と開きカウル10とが架設してある。カウル1はアッパパネル1aとロアパネル1bとで閉断面をなす一方、開きカウル10は断面ほぼ逆ハット形で、その後縁がカウル1の前縁に沿って結合してある。カウル1および開きカウル10は両端が左右のエプロンアッパメンバ2のインナパネル1bに溶接してあり、カウル1の上面にはフロントガラスGの下端が接着され、開きカウル10の上部開口はカウルルーバ11で覆い、カウルルーバ11の後縁はフロントガラスGの下縁に支持されている。
【0015】
開きカウル10はエンジンフードEの後縁をまわり込む外気をカウルルーバ11のスリット12から取り込む。カウル1はその前面開口13を通して開きカウル10内から外気を取り込み、取り込んだ外気を図略のダクトにより車室へ送る。カウル1および開きカウル10内には外気とともに雨水等も侵入する。この雨水等は、カウル1および開きカウル10からエプロンアッパメンバ2へ排水し、エプロンアッパメンバ2からフェンダライナー7へ流下して車外へ排水するようにしてある。
【0016】
図1および図2に示すように、カウル1とエプロンアッパメンバ2との結合部において、カウル1の側端部にはその底壁を延長して外側へ突出せしめた舌片状の突出縁15が形成してある。これに対応してエプロンアッパメンバ2のインナパネル2bには開口部4aが形成してある。カウル1は突出縁15をインナパネル2bの開口部4a内に挿通し、開口部4aの開口下縁に突出縁15を溶接して、カウル1内とエプロンアッパメンバ2内とを連通せしめている。
【0017】
開きカウル10もカウル1と同様に、底壁の側端部に形成した舌片状の突出縁16をエプロンアッパメンバ2のインナパネル2bに形成した開口部4bに挿入して、開きカウル10内とエプロンアッパメンバ2内とを連通せしめている。
【0018】
図1、図2および図3に示すように、エプロンアッパメンバ2の底壁20の中間位置には、上記フェンダライナー7の膨出部71の直上位置で、上記開口4aのほぼ真下の位置に水抜き穴5aが形成してある。水抜き穴5aは底壁20面を一段低くした凹部21内の中央に形成してあり、水抜き穴5aの後方には、底壁20面に幅方向に延びる凸状の水返しビード6aが形成してある。また、底壁20の前部には上記開口4bのほぼ真下の位置に水抜き穴5bが形成してある。
【0019】
更に、水抜き穴5aの直下位置には、フェンダライナー7の膨出部71の頂上部70に、水抜き穴5aから落下する水を受ける凹状の排水溝9が形成してある。排水溝9は頂上部70の後縁付近から前方へ向かって延び、溝底が前下がりの傾斜面としてある。排水溝9の前端は前方へ向けて開放してあり、溝底の前端がフェンダライナー7の前半部のアーチ状の一般面へ連通せしめてある。また、排水溝9の後端は頂上部70の後縁で塞がれ、頂上部70の後縁で凸状の水返しビード6bが形成してある。
【0020】
カウル1内に侵入した雨水等は、カウル1底壁の突出縁15を伝って開口部4aからエプロンアッパメンバ2内の中間部へ排出される。エプロンアッパメンバ2内へ排出された排水は、底壁20の水抜き穴5aから排出され落下する。この時、エプロンアッパメンバ2内において排水は水抜き穴5a後方の水返しビード6aにより堰き止められて後方へ流れ込まず確実に水抜き穴5aから排出される。更に、水抜き穴5aから落下した排水は、フェンダライナー7の頂上部70の排水溝9で受けとめられ、排水溝9の溝底に沿ってフェンダライナー7の前半部側へ流下する。この場合、排水溝9に落下した排水は排水溝9後端の水返しビード6bにより堰き止められてフェンダライナー7の後半部側へ流れ落ちない。そして、フェンダライナー7の前半部に沿って流下した排水は、フェンダライナー7の前部下端に形成した排水口72より車外へ排出される。
【0021】
開きカウル10内に侵入した雨水等は、突出縁16を伝って開口部4bからエプロンアッパメンバ2内の前側へ排出され、底壁20の水抜き穴5bからフェンダライナー7の前半部上へ落下し、フェンダライナー7前半部に沿って流下して、前部下端の排水口72より車外へ排出される。
【0022】
【発明の効果】
本発明によれば、カウルから排出される排水を全てフェンダライナーの前方へ流下せしめ、フェンダライナーの前端から車外へ排出するようにしたので、従来のように、寒冷時に排水がフェンダパネル後縁下端に溜まって凍結することがなく、フロントドアの開閉に支障をきたすことがない。
【図面の簡単な説明】
【図1】本発明のカウルの排水構造を示す概略図である。
【図2】図1のII−II線に沿う断面図である。
【図3】本発明のカウルの排水構造の要部斜視図である。
【図4】カウルの断面構造を示す図である。
【図5】従来のカウルの排水構造を示す概略図である。
【図6】図5のVI−VI線に沿う断面図である。
【符号の説明】
1 カウル
2 エプロンアッパメンバ
4a 開口部
5a 水抜き穴
6a,6b 水返しビード
7 フェンダライナー
70 頂上部
71 膨出部
8 フェンダパネル
9 排水溝
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a drainage structure for a cowl that discharges rainwater or the like that has entered a cowl of an automobile to the outside of the vehicle, and more particularly, to a drainage structure that drains along a fender liner from the cowl through the inside of an apron upper member.
[0002]
[Prior art]
2. Description of the Related Art Generally, a cowl of an automobile is installed between a joint portion between an apron upper member having a closed cross-sectional structure on the left and right sides of an engine room and a front pillar, and supports a lower edge of a windshield. As shown in FIG. 4, the cowl 1 has a closed cross-sectional structure, and a shelf-shaped opening cowl 10 is coupled along the front edge, and both ends of the cowl 1 and the opening cowl 10 are welded to the left and right apron upper members. The lower end of the windshield G is bonded to the upper surface of the cowl 1. A cowl louver 11 that closes the opening is installed on the upper part of the opening cowl 10, and the rear edge of the cowl louver 11 is supported by the lower edge of the windshield G.
[0003]
The cowl 1 and the opening cowl 10 take in the outside air that goes around the rear edge of the engine hood E from the slit 12 of the cowl louver 11 into the opening cowl 10 and take it into the cowl 1 through the front opening 13. Outside air is sent to the passenger compartment through a duct (not shown) connected to the cowl 1. The cowl 1 and the opening cowl 10 need to be drained because rain water and the like enter along with the outside air.
[0004]
FIG. 5 shows a typical example of the drainage structure of the conventional cowl 1 and the opening cowl 10. In the figure, 2 is an apron upper member, and 3 is a front pillar. An opening 4a communicating with the inside of the cowl 1 and an opening 4b communicating with the inside of the opening cowl 10 are formed on the inner wall of the apron upper member 2 to which the ends of the cowl 1 and the opening cowl 10 are coupled. Rainwater or the like that has entered the inside 1 or the opening cowl 10 is drained into the apron upper member 2 from the openings 4a and 4b. The rainwater drained into the apron upper member 2 is drained downward from drain holes 5b and 5c provided at the front and rear ends of the bottom wall of the apron upper member 2.
[0005]
An arch-shaped fender liner 7 that forms a wheel house is installed inside the fender panel 8 at a position directly below the apron upper member 2. A rectangular bulging portion 71 bulging upward is provided on the central top surface of the fender liner 7, and the top portion forms a substantially horizontal plane. Rainwater drained from the drain hole 5b at the front end falls to the front side of the bulging portion 71 of the fender liner 7, flows down along the front half of the fender liner 7, and drains outside the vehicle from the lower front end of the fender liner 7. Is done. On the other hand, the rainwater drained from the drain hole 5c at the rear end falls to the rear side of the bulging portion 71 and flows down along the latter half of the fender liner 7 and from the lower end of the fender liner 7 to the outside of the vehicle. Drained.
[0006]
[Problems to be solved by the invention]
However, in the conventional drainage structure, rain water flowing along the latter half of the fender liner 7 enters the fender panel 8 near the lower end of the latter half of the fender liner 7 as shown in FIG. It is easy to flow backward along the inner surface of the fender panel 8 by traveling wind or the like. In particular, when snow melt flows down along the latter half of the fender liner 7 during traveling in a cold region, the snow melt water ic that flows down freezes around the rear edge flange 80 of the fender panel 8 that forms a parting with the front door D. When the door D is opened, the door D may interfere with the front edge of the door and may interfere with the opening and closing of the door D. In the figure, D1 is a hinge member of the door D.
[0007]
Therefore, the present invention has been made with the object of realizing a cowl drainage structure that prevents the drainage discharged from the cowl from flowing down to the lower edge of the rear edge of the fender panel and that does not hinder the opening and closing of the front door in cold weather. It is a thing.
[0008]
[Means for Solving the Problems]
The present invention relates to a cowl that penetrates an inner wall of an apron upper member at a joint portion between an apron upper member having a closed cross-sectional structure extending in the vehicle front-rear direction that forms an upper edge of a side wall of an engine room of the vehicle and a cowl extending in the vehicle width direction. An opening that communicates with the inside of the apron upper member is provided, and rainwater or the like that has entered the cowl is discharged into the apron upper member through the opening, and from a drain hole provided in the bottom wall of the apron upper member. In the drainage structure of the cowl that discharges downward and flows down along the arched fender liner that forms the wheel house under the apron upper member and inside the fender panel that forms the outer wall of the vehicle body. , forming a bulging portion which bulges upwardly in the center top surface of the fender liner, top drain hole of the apron upper member While formed immediately above the position of the bulge portion, the top portion of the bulging portion, an inclined shape ditch edge before allowed to flow down toward receiving waste water falling from the water drain hole to the front side of the fender liner (Claim 1). Since the drainage discharged from the cowl into the apron upper member is dropped from the drain hole of the apron upper member to the drainage groove of the fender liner bulge, it is allowed to flow only to the front side of the fender liner through the drainage groove. It is possible to prevent drainage from flowing into the rear side of the liner and to prevent freezing of the lower end of the rear edge of the fender panel.
[0009]
Convex water return that prevents rainwater and the like from flowing backward to the rear position of the drain hole in the bottom wall of the apron upper member and the rear end position of the drainage groove of the bulging portion of the fender liner, respectively. A bead is provided (claim 2). By each water return bead, it is possible to reliably prevent the drainage of water flowing backward in the apron upper member and the drainage of wastewater behind the fender liner.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment in which the cowl drainage structure of the present invention is applied to a semi-bonnet type wagon vehicle will be described. As shown in FIG. 1, the side of the engine room at the front of the vehicle body includes a front and rear apron upper member 2 that forms upper and lower side walls of the engine room, and the apron upper member 2 has front left and right front pillars. 3 of the upper and lower middle portions 30. Further, an arched fender liner 7 that forms a wheel house of the front wheel is installed below the apron upper member 2. And the apron upper member 2, the lower half part of the front pillar 3, and the fender liner 7 are coat | covered with the fender panel 8 which comprises those vehicle exterior front surfaces.
[0011]
As shown in FIGS. 1 and 2, the apron upper member 2 has a closed cross-sectional structure including an outer panel 2a having a substantially L-shaped cross section and an inner panel 2b having a substantially inverted L-shaped cross section. The apron upper member 2 is welded vertically from the front end of the intermediate portion 30 of the front pillar 3 swelling forward in a substantially triangular shape along the lower edge thereof, and the upper surface of the apron upper member 2 is A front downward slope is formed along the slope of the upper half of the front pillar 3 constituting the side edge of the front window opening. On the other hand, the member bottom wall 20 is substantially horizontal, and the apron upper member 2 is tapered toward the front end. A triangular fixed window opening 31 is provided in the intermediate portion 30 of the front pillar 3.
[0012]
The fender liner 7 is an arch-shaped plate made of synthetic resin by injection molding, and has a square top bulging upward corresponding to the suspension tower S (a part of which is shown in FIG. 2) on the side wall of the engine room. The bulging part 71 is formed. The fender liner 7 is fastened to the side wall of the engine room at the side edge inside the vehicle.
[0013]
The upper edge of the fender panel 8 is fastened and fixed to the upper surface of the apron upper member 2, and the lower edge of the arch shape is fastened along the outer side edge of the fender liner 7. The rear edge of the fender panel 8 faces the front edge of the front door D to form a door parting part. In FIG. 1, H is a headlight, B is a front bumper, and the rear end of the front bumper B covers the outside of the lower front end of the fender liner 7.
[0014]
As shown in FIGS. 1 and 4, between the left and right apron upper members 2, a cowl 1 and an opening cowl 10 constituting a lower edge of the front window opening are installed in the vehicle width direction. The cowl 1 has a closed cross section with the upper panel 1 a and the lower panel 1 b, while the open cowl 10 has a substantially inverted hat cross section, and its trailing edge is joined along the front edge of the cowl 1. The cowl 1 and the opening cowl 10 are welded to the inner panel 1b of the left and right apron upper members 2 at both ends. The lower end of the windshield G is bonded to the upper surface of the cowl 1, and the upper opening of the opening cowl 10 is a cowl louver 11. The rear edge of the covering and cowl louver 11 is supported by the lower edge of the windshield G.
[0015]
The opening cowl 10 takes in outside air that goes around the rear edge of the engine hood E from the slit 12 of the cowl louver 11. The cowl 1 opens through the front opening 13 and takes in outside air from the inside of the cowl 10, and sends the taken outside air to the passenger compartment through a duct (not shown). Rainwater and the like enter the cowl 1 and the opening cowl 10 together with the outside air. The rainwater or the like is drained from the cowl 1 and the opening cowl 10 to the apron upper member 2 and then flows down from the apron upper member 2 to the fender liner 7 and drains outside the vehicle.
[0016]
As shown in FIGS. 1 and 2, at the coupling portion between the cowl 1 and the apron upper member 2, a tongue-like projecting edge 15 is formed at the side end of the cowl 1 by extending its bottom wall and projecting outward. Is formed. Correspondingly, an opening 4 a is formed in the inner panel 2 b of the apron upper member 2. The cowl 1 has the protruding edge 15 inserted into the opening 4a of the inner panel 2b, and the protruding edge 15 is welded to the lower opening edge of the opening 4a to allow the cowl 1 and the apron upper member 2 to communicate with each other. .
[0017]
Similarly to the cowl 1, the opening cowl 10 is inserted into the opening 4b formed on the inner panel 2b of the apron upper member 2 by inserting a tongue-like protruding edge 16 formed on the side end of the bottom wall. And the apron upper member 2 communicate with each other.
[0018]
As shown in FIGS. 1, 2 and 3, the apron upper member 2 has an intermediate position on the bottom wall 20 at a position just above the bulging portion 71 of the fender liner 7 and a position almost directly below the opening 4a. A drain hole 5a is formed. The drain hole 5a is formed in the center of the recess 21 with the bottom wall 20 surface being lowered by one step, and a convex water return bead 6a extending in the width direction on the bottom wall 20 surface is provided behind the drain hole 5a. It is formed. Further, a drain hole 5b is formed in the front portion of the bottom wall 20 at a position almost directly below the opening 4b.
[0019]
Further, a concave drain groove 9 for receiving water falling from the drain hole 5a is formed in the top portion 70 of the bulged portion 71 of the fender liner 7 at a position directly below the drain hole 5a. The drainage groove 9 extends from the vicinity of the rear edge of the top portion 70 toward the front, and the bottom of the groove is an inclined surface with a front lowering. The front end of the drainage groove 9 is open toward the front, and the front end of the groove bottom is connected to the arch-shaped general surface of the front half of the fender liner 7. Further, the rear end of the drainage groove 9 is closed by the rear edge of the top portion 70, and a convex water return bead 6 b is formed at the rear edge of the top portion 70.
[0020]
Rainwater or the like that has entered the cowl 1 is discharged from the opening 4a to the intermediate portion in the apron upper member 2 through the protruding edge 15 of the cowl 1 bottom wall. The drainage discharged into the apron upper member 2 is discharged from the drain hole 5a of the bottom wall 20 and falls. At this time, the drainage in the apron upper member 2 is blocked by the water return bead 6a behind the drain hole 5a and does not flow backward but is surely discharged from the drain hole 5a. Further, the drainage dropped from the drain hole 5 a is received by the drainage groove 9 at the top 70 of the fender liner 7 and flows down along the bottom of the drainage groove 9 to the front half of the fender liner 7. In this case, the drainage that has fallen into the drainage groove 9 is blocked by the water return bead 6 b at the rear end of the drainage groove 9 and does not flow down to the rear half of the fender liner 7. Then, the waste water flowing down along the front half of the fender liner 7 is discharged out of the vehicle through a drain port 72 formed at the front lower end of the fender liner 7.
[0021]
Rainwater or the like that has entered the opening cowl 10 is discharged to the front side in the apron upper member 2 through the projecting edge 16 and falls onto the front half of the fender liner 7 from the drain hole 5b in the bottom wall 20. Then, it flows down along the front half of the fender liner 7 and is discharged out of the vehicle from the drain 72 at the lower end of the front.
[0022]
【The invention's effect】
According to the present invention, all the waste water discharged from the cowl is allowed to flow down to the front of the fender liner and is discharged from the front end of the fender liner to the outside of the vehicle. It will not freeze up and will not interfere with the opening and closing of the front door.
[Brief description of the drawings]
FIG. 1 is a schematic view showing a cowl drainage structure of the present invention.
2 is a cross-sectional view taken along line II-II in FIG.
FIG. 3 is a perspective view of a main part of a cowl drainage structure according to the present invention.
FIG. 4 is a view showing a cross-sectional structure of a cowl.
FIG. 5 is a schematic view showing a conventional cowl drainage structure.
6 is a cross-sectional view taken along line VI-VI in FIG.
[Explanation of symbols]
1 cowl 2 apron upper member 4a opening 5a drain hole 6a, 6b water return bead 7 fender liner 70 top
71 bulge 8 fender panel 9 drain

Claims (2)

車両のエンジンルームの側壁の上縁をなす車両前後方向に延びる閉断面構造のエプロンアッパメンバと車幅方向に延びるカウルとの結合部に、エプロンアッパメンバの内壁を貫通してカウル内とエプロンアッパメンバ内とを連通する開口部を設け、カウル内に侵入した雨水等を、上記開口部によりエプロンアッパメンバ内へ排出するとともに、エプロンアッパメンバの底壁に設けた水抜き穴から下方へ排出し、エプロンアッパメンバの下方で、車体外側壁をなすフェンダパネルの内側に設置されてホイールハウスを形成するアーチ状のフェンダライナーに沿って流下せしめて車外へ排水するカウルの排水構造において、
上記フェンダライナーの中央頂面に上方へ膨出する膨出部を形成し、上記エプロンアッパメンバの水抜き穴を上記膨出部の直上位置に形成する一方、上記膨出部の頂上部には、上記水抜き穴から落下する排水を受けてフェンダライナーの前側へ向けて流下せしめる前下がり傾斜状の排水溝を形成したことを特徴とするカウルの排水構造。
The apron upper member having a closed cross-sectional structure extending in the vehicle front-rear direction, which forms the upper edge of the side wall of the engine room of the vehicle, and the cowl extending in the vehicle width direction pass through the inner wall of the apron upper member so that the inside of the cowl and the apron upper An opening that communicates with the inside of the member is provided, and rainwater and the like that has entered the cowl are discharged into the apron upper member through the opening and discharged downward from the drain hole provided in the bottom wall of the apron upper member. In the drainage structure of the cowl that flows down along the arched fender liner that is installed inside the fender panel that forms the outer wall of the vehicle body and below the apron upper member, and drains outside the vehicle,
Forming a bulging portion which bulges upwardly in the center top surface of the fender liner, while the drain hole of the apron upper member formed in a position directly above the bulging portion, the top portion of the bulging portion A cowl drainage structure, characterized in that a drainage groove having a downwardly inclined slope is formed to receive drainage falling from the drain hole and flow down toward the front side of the fender liner.
上記エプロンアッパメンバの底壁の上記水抜き穴の後方位置と、上記フェンダライナーの膨出部の上記排水溝の後端位置とにそれぞれ、雨水等の後方への流れを防ぐ凸状の水返しビードを設けた請求項1に記載のカウルの排水構造。Convex water return that prevents rainwater and the like from flowing backward to the rear position of the drain hole in the bottom wall of the apron upper member and the rear end position of the drainage groove of the bulging portion of the fender liner, respectively. The cowl drainage structure according to claim 1, wherein a bead is provided.
JP2001305077A 2001-10-01 2001-10-01 Cowl drainage structure Expired - Lifetime JP3965957B2 (en)

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JP4461810B2 (en) * 2004-01-15 2010-05-12 マツダ株式会社 Rear body structure of the vehicle
JP4735050B2 (en) * 2005-05-23 2011-07-27 日産自動車株式会社 Reinforcement structure of food ridge
JP2007038762A (en) * 2005-08-01 2007-02-15 Kanto Auto Works Ltd Front structure for vehicle
CN108100046A (en) * 2017-12-25 2018-06-01 北京长城华冠汽车科技股份有限公司 Forward engine room seals water guide structure and vehicle
JP7323496B2 (en) 2020-08-21 2023-08-08 トヨタ自動車株式会社 electric vehicle
CN113263988B (en) * 2021-06-30 2023-01-17 东风华神汽车有限公司 Water guide structure of front wall outer plate of vehicle body and processing method

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