JP4776662B2 - Cowl louver - Google Patents

Cowl louver Download PDF

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JP4776662B2
JP4776662B2 JP2008167188A JP2008167188A JP4776662B2 JP 4776662 B2 JP4776662 B2 JP 4776662B2 JP 2008167188 A JP2008167188 A JP 2008167188A JP 2008167188 A JP2008167188 A JP 2008167188A JP 4776662 B2 JP4776662 B2 JP 4776662B2
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wall portion
reinforcing
rear wall
panel
bottom wall
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勝弘 笹岡
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Kojima Industries Corp
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Description

この発明はフロントガラスとフードパネルとの間を覆うカウルルーバーに関する。   The present invention relates to a cowl louver covering between a windshield and a hood panel.

従来、フロントガラスとフードパネルとの間を覆う樹脂成形品よりなるカウルルーバーにおいて、ルーバー本体と、このルーバー本体の前部に一体成形されると共に、後壁部と底壁部と前壁部とを有して断面Ｕ字状をなす前側凹部とを一体連続状に備えてた構造のものが知られている。
この種のカウルルーバーにおいて、例えば、特許文献１に開示されているように、後壁部の前面と前壁部の後面との間に、これら両面に一体に結合されて前後方向へ延びる板状の補強用リブが一体成形された構造のものがある。
特開２００５−２８９２３７号公報 Conventionally, in a cowl louver made of a resin molded product covering between the windshield and the hood panel, the louver main body is integrally formed with the front portion of the louver main body, the rear wall portion, the bottom wall portion, and the front wall portion. There is known a structure in which a front concave portion having a U-shaped cross section is provided integrally and continuously.
In this type of cowl louver, for example, as disclosed in Patent Document 1, between the front surface of the rear wall portion and the rear surface of the front wall portion, a plate shape that is integrally coupled to both surfaces and extends in the front-rear direction. There is a structure in which the reinforcing ribs are integrally formed.
JP 2005-289237 A

ところで、後壁部の前面と前壁部の後面との間にわたって、板状の補強用リブが一体成形された構造のものにおいては、樹脂成形の収縮力によって板状の補強用リブが変形されやすい。
そこで、後壁部の前面と前壁部の後面との間にわたって、後壁部及び前壁部と同等の板厚で上方へ向けて突出する左右の両側板部と上板部とを有するビード形状（断面台形状）の補強用凸部を一体成形することが知られている。
前記のように、後壁部の前面と前壁部の後面との間にわたってビード形状の補強用凸部を一体成形することで、樹脂成形の収縮力による補強用凸部の変形を抑制することができる。
しかしながら、後壁部の前面と前壁部の後面との間にわたってビード形状の補強用凸部を一体成形すると、剛性が高くなりすぎ、フードパネルに所定値以上の外力（荷重）が作用したときに、カウルルーバーの前側凹部の変形量（ストローク）が小さくなり、衝撃吸収性が低下する場合がある。 By the way, in the structure in which the plate-shaped reinforcing rib is integrally formed between the front surface of the rear wall portion and the rear surface of the front wall portion, the plate-shaped reinforcing rib is deformed by the shrinkage force of the resin molding. Cheap.
Therefore, a bead having left and right side plate portions and an upper plate portion projecting upward with a plate thickness equivalent to that of the rear wall portion and the front wall portion between the front surface of the rear wall portion and the rear surface of the front wall portion. It is known to integrally form a reinforcing convex portion having a shape (trapezoidal cross section).
As described above, by forming the bead-shaped reinforcing convex portion between the front surface of the rear wall portion and the rear surface of the front wall portion, the deformation of the reinforcing convex portion due to the shrinkage force of the resin molding is suppressed. Can do.
However, when the bead-shaped reinforcing convex portion is integrally formed between the front surface of the rear wall portion and the rear surface of the front wall portion, the rigidity becomes too high, and an external force (load) exceeding a predetermined value is applied to the hood panel. In addition, the deformation amount (stroke) of the front concave portion of the cowl louver may be reduced, and the shock absorption may be reduced.

この発明の目的は、前記問題点に鑑み、樹脂成形の収縮力による変形を抑制することができると共に、フードパネルに所定値以上の外力が作用したときの変形量（ストローク）を大きくして衝撃吸収性を高めることができるカウルルーバーを提供することである。   In view of the above problems, an object of the present invention is to suppress deformation due to the shrinkage force of resin molding, and to increase the amount of deformation (stroke) when an external force greater than a predetermined value acts on the hood panel. It is to provide a cowl louver that can increase absorbency.

前記課題を解決するために、この発明の請求項１に係るカウルルーバーは、ルーバー本体と、このルーバー本体の前部に一体成形されると共に、後壁部と底壁部と前壁部とを有して断面Ｕ字状をなす前側凹部とを一体連続状に備えてフロントガラスとフードパネルとの間を覆う樹脂成形品よりなるカウルルーバーであって、
前記底壁部の前記後壁部寄り部分が車体パネルに固定される一方、前記前壁部の上部には前記フードパネルの下面に弾性的に密接するシール部材が装着され、
前記前壁部の後面から前記底壁部の底面にわたる部分には、前記前壁部及び前記底壁部と同等の板厚で上方へ向けて突出する左右の両側板部と上板部とを有する補強用凸部が一体成形され、
前記補強用凸部の上板部上面と前記後壁部の前面との間には、これら両面にそれぞれ一体に結合されて前後方向へ延び、かつ前記両面にわたって板状をなす補強用リブが一体成形され、
前記補強用リブの前記補強用凸部との結合面積と、前記後壁部との結合面積とで大小の差が設けられ、
前記フードパネルに所定値以上の外力が作用したときには、前記補強用リブを結合面積の小さい部分で破断させながら前記前壁部及び前記底壁部が前記車体パネルの固定部を支点として下方へ変形可能に構成されていることを特徴とする。 In order to solve the above-mentioned problem, a cowl louver according to claim 1 of the present invention is formed integrally with a louver main body, a front portion of the louver main body, and a rear wall portion, a bottom wall portion, and a front wall portion. It is a cowl louver made of a resin molded product that has a front concave portion having a U-shaped cross section and integrally covers the space between the windshield and the hood panel,
While the rear wall portion of the bottom wall portion is fixed to the vehicle body panel, a seal member that is elastically in close contact with the lower surface of the hood panel is attached to the upper portion of the front wall portion,
Left and right side plate portions and an upper plate portion projecting upward with a plate thickness equivalent to that of the front wall portion and the bottom wall portion are provided in a portion extending from the rear surface of the front wall portion to the bottom surface of the bottom wall portion. The reinforcing convex part having is integrally molded,
Wherein between the upper plate upper surface of the reinforcing protrusion and the front face of the rear wall, extending Beauty, and reinforcing ribs which form a plate-like across said both sides are coupled to respective one body thereto both sides in the front-rear direction Is integrally molded,
There is a large or small difference between the coupling area of the reinforcing rib with the reinforcing convex portion and the coupling area with the rear wall portion,
When an external force of a predetermined value or more is applied to the hood panel, the front wall portion and the bottom wall portion are deformed downward with the fixing portion of the vehicle body panel as a fulcrum while breaking the reinforcing rib at a portion having a small coupling area. It is configured to be possible.

前記構成によると、カウルルーバーの前側凹部において、前壁部の後面から底壁部の底面にわたる部分に一体成形されたビード状の補強用凸部と、補強用凸部の上板部上面と後壁部の前面との間に一体成形された板状の補強用リブとによって、カウルルーバーの前側凹部を良好に補強することができる。このため、板状の補強用リブのみによって補強する場合と比べ、剛性が高くなり、樹脂成形の収縮力による補強用リブの変形を良好に抑制することができる。
また、フードパネルに所定値以上の外力が作用したときには、補強用リブを結合面積の小さい部分で破断させながら前壁部及び底壁部が車体パネルの固定部を支点として下方へ変形する。この結果、変形量が大きくなり衝撃吸収性を高めることができる。 According to the above configuration, in the front concave portion of the cowl louver, the bead-shaped reinforcing convex portion integrally formed on the portion extending from the rear surface of the front wall portion to the bottom surface of the bottom wall portion, and the upper surface and the rear surface of the upper plate portion of the reinforcing convex portion The front concave portion of the cowl louver can be favorably reinforced by the plate-like reinforcing rib formed integrally with the front surface of the wall portion. For this reason, compared with the case where it reinforces only with a plate-shaped reinforcement rib, rigidity becomes high and can suppress the deformation | transformation of the reinforcement rib by the shrinkage force of resin molding favorably.
Further, when an external force of a predetermined value or more is applied to the hood panel, the front wall portion and the bottom wall portion are deformed downward with the fixing portion of the vehicle body panel as a fulcrum while breaking the reinforcing rib at a portion having a small coupling area. As a result, the amount of deformation is increased and the shock absorption can be improved.

請求項２に係るカウルルーバーは、請求項１に記載のカウルルーバーであって、
補強用リブは、後壁部との結合面積が補強用凸部との結合面積よりも小さく設定され、
フードパネルに所定値以上の外力が作用したときには、前記補強用リブが後壁部との結合部分で破断される構成にしてあることを特徴とする。 The cowl louver according to claim 2 is the cowl louver according to claim 1,
The reinforcing rib is set such that the coupling area with the rear wall portion is smaller than the coupling area with the reinforcing convex portion,
When an external force of a predetermined value or more to the hood panel is applied, characterized in that the reinforcing ribs are a configuration that is broken at the bonded portion between the rear wall portion.

前記構成によると、フードパネルに所定値以上の外力が作用したときには、補強用リブを結合面積の小さい後壁部との結合部分で破断させながら前壁部及び底壁部が車体パネルの固定部を支点として下方へ変形するため、変形量が大きくなり衝撃吸収性を高めることができる。   According to the above configuration, when an external force of a predetermined value or more is applied to the hood panel, the front wall and the bottom wall are fixed to the body panel while the reinforcing rib is broken at the joint with the rear wall having a small coupling area. As a fulcrum is deformed downward, the amount of deformation is increased and the shock absorption can be improved.

この発明を実施するための最良の形態について実施例にしたがって説明する。   The best mode for carrying out the present invention will be described in accordance with an embodiment.

〔実施例１〕
この発明の実施例１を図１〜図４にしたがって説明する。
図１はこの発明の実施例１に係るカウルルーバーを示す側断面図である。図２は図１のＩＩ−ＩＩ線に基づく断面図である。図３はカウルルーバーの前側凹部を示す斜視図である。図４はフードパネルに所定値以上の外力が作用したときに補強用リブを結合面積の小さい後壁部との結合部分で破断させながら前壁部及び底壁部が車体パネルの固定部を支点として下方へ変形した状態を示す説明図である。 [Example 1]
A first embodiment of the present invention will be described with reference to FIGS.
1 is a side sectional view showing a cowl louver according to Embodiment 1 of the present invention. FIG. 2 is a cross-sectional view based on the line II-II in FIG. FIG. 3 is a perspective view showing a front concave portion of the cowl louver. Fig. 4 shows that the front and bottom walls support the fixed part of the vehicle body panel while the reinforcing rib is broken at the joint with the rear wall having a small joint area when an external force exceeding a predetermined value is applied to the hood panel. It is explanatory drawing which shows the state deform | transformed below as.

図１に示すように、この実施例１に係るカウルルーバー１０は、フロントガラス１とフードパネル２との間を覆うものであり、合成樹脂材の射出成形によって一体成形された樹脂成形品よりなり、フロントガラス１側のルーバー本体１１と、このルーバー本体１１の前部に一体成形された前側凹部１２とを備えている。
また、ルーバー本体１１の後端縁には、軟質樹脂、ゴム等の弾性体よりなるシール部材１６が装着され、このシール部材１６には、フロントガラス１の前面に弾性的に圧接して密接するシールリップ１７が延出されている。 As shown in FIG. 1, the cowl louver 10 according to the first embodiment covers a space between the windshield 1 and the hood panel 2, and is formed of a resin molded product integrally formed by injection molding of a synthetic resin material. A louver main body 11 on the windshield 1 side and a front concave portion 12 formed integrally with the front portion of the louver main body 11 are provided.
A sealing member 16 made of an elastic material such as soft resin or rubber is attached to the rear end edge of the louver main body 11, and the sealing member 16 is elastically pressed and brought into close contact with the front surface of the windshield 1. A seal lip 17 is extended.

前側凹部１２は、ルーバー本体１１の前端縁から下向きに延出された後壁部１３と、この後壁部１３の下端から前側へ向けて張り出された底壁部１４と、この底壁部１４の前端から前上方へ傾斜状に延出された前壁部１５とを一体連続状に有して断面Ｕ字状をなしている。
そして、前側凹部１２は、その底壁部１４の後壁部１３寄り部分がクリップ等の固定手段５によってカウルパネル（車体パネル）３の前縁部４の上面に固定される。
また、前壁部１５の上縁部には、前方へ向けて支持片１６が張り出されており、この支持片１６上には、フードパネル２の下面に弾性的に密接する軟質樹脂、ゴム等の弾性体よりなる中空断面のシール部３１を一体に有するシール部材３０が装着されている。 The front concave portion 12 includes a rear wall portion 13 that extends downward from the front edge of the louver body 11, a bottom wall portion 14 that projects from the lower end of the rear wall portion 13 toward the front side, and the bottom wall portion A front wall portion 15 extending in a slanting shape from the front end of 14 in a front-upper direction has an integrally continuous shape and has a U-shaped cross section.
The front concave portion 12 is fixed to the upper surface of the front edge portion 4 of the cowl panel (vehicle body panel) 3 by a fixing means 5 such as a clip at a portion closer to the rear wall portion 13 of the bottom wall portion 14.
Further, a support piece 16 projects from the upper edge portion of the front wall portion 15 toward the front. On this support piece 16, a soft resin or rubber that is elastically in close contact with the lower surface of the hood panel 2 is provided. A seal member 30 having a hollow cross-section seal portion 31 made of an elastic body or the like is integrally mounted.

図１〜図３に示すように、前側凹部１２において、その前壁部１５の後面から底壁部１４の底面（上面）にわたる部分には、これら前壁部１５及び底壁部１４と実質的に同等の板厚で上方へ向けて突出する側面形状三角形の左右の両側板部２１と平坦面をなす上板部２２とを有する断面台形状でビート状をなす補強用凸部２０が一体成形されている。
また、補強用凸部２０の上板部２２の上面の後部と、後壁部１３の前面の下部との間には、これら両面に一体に結合されて前後方向へ延びる側面形状三角形で板状をなす補強用リブ２５が一体成形されている。
補強用リブ２５は、補強用凸部２０との結合面積と、後壁部１３との結合面積とで大小の差が設けられている。 As shown in FIGS. 1 to 3, in the front recess 12, a portion extending from the rear surface of the front wall portion 15 to the bottom surface (upper surface) of the bottom wall portion 14 is substantially the same as the front wall portion 15 and the bottom wall portion 14. The reinforcing convex part 20 having a trapezoidal cross-sectional shape having left and right side plate parts 21 of a triangular side face projecting upward with an equivalent plate thickness and an upper plate part 22 forming a flat surface is integrally formed. Has been.
Further, between the rear portion of the upper surface of the upper plate portion 22 of the reinforcing convex portion 20 and the lower portion of the front surface of the rear wall portion 13, a plate-like triangular shape that is integrally coupled to both surfaces and extends in the front-rear direction. A reinforcing rib 25 is integrally formed.
The reinforcing rib 25 has a large or small difference between the coupling area with the reinforcing convex portion 20 and the coupling area with the rear wall portion 13.

この実施例１においては、補強用リブ２５は、後壁部１３との結合面積が補強用凸部２０との結合面積よりも小さく設定されている。そして、フードパネル２に所定値以上の外力（例えば、衝突物が衝突したときの荷重）が作用したときには、補強用リブ２５が後壁部１３との結合部分２５ａで破断されながら前壁部１５及び底壁部１４がカウルパネル３の前縁部４の固定部（固定手段５）を支点として下方へ変形可能に構成されている。
なお、補強用凸部２０及び補強用リブ２５は、前側凹部１２の車幅方向へ所定間隔を隔てて複数設けられる。 In the first embodiment, the reinforcing rib 25 is set such that the area of coupling with the rear wall portion 13 is smaller than the area of coupling with the reinforcing convex portion 20. When an external force of a predetermined value or more (for example, a load when a collision object collides) is applied to the hood panel 2, the front wall portion 15 is broken while the reinforcing rib 25 is broken at the joint portion 25 a with the rear wall portion 13. The bottom wall portion 14 is configured to be deformable downward with the fixing portion (fixing means 5) of the front edge portion 4 of the cowl panel 3 as a fulcrum.
A plurality of reinforcing convex portions 20 and reinforcing ribs 25 are provided at predetermined intervals in the vehicle width direction of the front concave portion 12.

この実施例１に係るカウルルーバーは上述したように構成される。
したがって、カウルルーバー１０の前側凹部１２において、前壁部１５の後面から底壁部１４の底面にわたる部分に一体成形されたビード状（この実施例１では断面台形）の補強用凸部２０と、この補強用凸部２０の上板部２２上面と後壁部１３の前面との間に一体成形された板状の補強用リブ２５とによって、カウルルーバー１０の前側凹部１２を良好に補強することができる。
このため、従来の板状の補強用リブのみによって補強する場合と比べ、剛性が高くなり、樹脂成形の収縮力による補強用リブ２５の変形を良好に抑制することができる。
すなわち、補強用凸部２０の上板部２２上面と後壁部１３の前面との間の板状の補強用リブ２５は、従来の後壁部と前壁部との間にわたる板状の補強用リブの長さに比べ短くすることができる。これによって、板状の補強用リブ２５の剛性を良好に高めることができ、樹脂成形の収縮力による板状の補強用リブ２５の変形を抑制することができる。 The cowl louver according to the first embodiment is configured as described above.
Therefore, in the front concave portion 12 of the cowl louver 10, a reinforcing convex portion 20 having a bead shape (a trapezoidal cross section in the first embodiment) integrally formed in a portion extending from the rear surface of the front wall portion 15 to the bottom surface of the bottom wall portion 14; The front concave portion 12 of the cowl louver 10 is well reinforced by the plate-shaped reinforcing rib 25 integrally formed between the upper surface of the upper plate portion 22 of the reinforcing convex portion 20 and the front surface of the rear wall portion 13. Can do.
For this reason, compared with the case where it reinforces only with the conventional plate-shaped reinforcement rib, rigidity becomes high and the deformation | transformation of the reinforcement rib 25 by the shrinkage force of resin molding can be suppressed favorably.
That is, the plate-like reinforcing rib 25 between the upper surface of the upper plate portion 22 of the reinforcing convex portion 20 and the front surface of the rear wall portion 13 is a plate-like reinforcement extending between the conventional rear wall portion and the front wall portion. It can be made shorter than the rib length. As a result, the rigidity of the plate-like reinforcing ribs 25 can be improved satisfactorily, and the deformation of the plate-like reinforcing ribs 25 due to the shrinkage force of resin molding can be suppressed.

フードパネル２に所定値以上の外力（例えば、図４に示す衝突物４０が衝突したときの荷重）が作用したときには、図４に示すように、カウルルーバー１０の前側凹部１２において、補強用リブ２５を、結合面積の小さい後壁部１３との結合部分２５ａで破断させながら前壁部１５及び底壁部１４がカウルパネル３の前縁部４に対する固定部を支点として下方へ変形する。
この結果、前壁部１５及び底壁部１４の変形量が大きくなり衝撃吸収性を高めることができる。 When an external force (for example, a load when the colliding object 40 shown in FIG. 4 collides) acts on the hood panel 2, as shown in FIG. 4, the reinforcing ribs in the front concave portion 12 of the cowl louver 10. 25, the front wall portion 15 and the bottom wall portion 14 are deformed downward with a fixing portion with respect to the front edge portion 4 of the cowl panel 3 as a fulcrum while breaking at a connecting portion 25a with the rear wall portion 13 having a small connecting area.
As a result, the amount of deformation of the front wall portion 15 and the bottom wall portion 14 is increased, and the shock absorption can be improved.

〔実施例２〕
この発明の実施例２を図５と図６にしたがって説明する。
図５はこの発明の実施例２に係るカウルルーバーの前側凹部の板状の補強用リブの変更例を示す断面図である。図６はフードパネルに所定値以上の外力が作用したときに補強用リブを結合面積の小さい補強用凸部との結合部分で破断させながら前壁部及び底壁部が車体パネルの固定部を支点として下方へ変形した状態を示す説明図である。 [Example 2]
A second embodiment of the present invention will be described with reference to FIGS.
FIG. 5 is a cross-sectional view showing a modified example of the plate-like reinforcing rib in the front concave portion of the cowl louver according to the second embodiment of the present invention. FIG. 6 shows that the front wall portion and the bottom wall portion fix the fixing portion of the vehicle body panel while the reinforcing rib is broken at the connecting portion with the reinforcing convex portion having a small connecting area when an external force exceeding a predetermined value is applied to the hood panel. It is explanatory drawing which shows the state deform | transformed below as a fulcrum.

図５に示すように、補強用リブ１２５の結合部において、補強用凸部２０の上板部２２との結合面積が後壁部１３との結合面積よりも小さく設定されている。そして、フードパネル２に所定値以上の外力（例えば、衝突物が衝突したときの荷重）が作用したときには、図６に示すように、補強用リブ１２５が補強用凸部２０の上板部２２との結合部分１２５ｂで破断されながら前壁部１５及び底壁部１４がカウルパネル３の前縁部４の固定部を支点として下方へ変形されるようになっている。
この実施例２のその他の構成は実施例１と同様に構成されるため、同一構成部分に対し同一符号を付記してその説明は省略する。
したがって、この実施例２においても実施例１と同様に作用効果を奏する。 As shown in FIG. 5, in the joint portion of the reinforcing rib 125, the joint area with the upper plate portion 22 of the reinforcing convex portion 20 is set smaller than the joint area with the rear wall portion 13. When an external force greater than a predetermined value (for example, a load when a collision object collides) is applied to the hood panel 2, the reinforcing rib 125 has the upper plate portion 22 of the reinforcing convex portion 20 as shown in FIG. 6. The front wall portion 15 and the bottom wall portion 14 are deformed downward with the fixing portion of the front edge portion 4 of the cowl panel 3 as a fulcrum while being broken at the connecting portion 125b.
Since the other structure of this Example 2 is comprised similarly to Example 1, the same code | symbol is attached | subjected with respect to the same component, and the description is abbreviate | omitted.
Therefore, this second embodiment also has the same effects as the first embodiment.

なお、この発明は前記実施例１及び２に限定するものではなく、この発明の要旨を逸脱しない範囲内において、種々なる形態で実施することもできる。   In addition, this invention is not limited to the said Example 1 and 2, In the range which does not deviate from the summary of this invention, it can also be implemented with a various form.

この発明の実施例１に係るカウルルーバーを示す側断面図である。It is a sectional side view which shows the cowl louver which concerns on Example 1 of this invention. 同じく図１のＩＩ−ＩＩ線に基づく断面図である。It is sectional drawing based on the II-II line of FIG. 同じくカウルルーバーの前側凹部を示す斜視図である。It is a perspective view which similarly shows the front side recessed part of a cowl louver. 同じくフードパネルに所定値以上の外力が作用したときに補強用リブを結合面積の小さい後壁部との結合部分で破断させながら前壁部及び底壁部が車体パネルの固定部を支点として下方へ変形した状態を示す説明図である。Similarly, when an external force of a predetermined value or more is applied to the hood panel, the front wall and bottom wall are lowered with the fixed part of the body panel as a fulcrum while the reinforcing rib is broken at the joint with the rear wall having a small coupling area. It is explanatory drawing which shows the state deform | transformed into. この発明の実施例２に係るカウルルーバーの前側凹部の板状の補強用リブの変更例を示す断面図である。It is sectional drawing which shows the example of a change of the plate-shaped reinforcement rib of the front side recessed part of the cowl louver which concerns on Example 2 of this invention. 同じくフードパネルに所定値以上の外力が作用したときに補強用リブを結合面積の小さい補強用凸部との結合部分で破断させながら前壁部及び底壁部が車体パネルの固定部を支点として下方へ変形した状態を示す説明図である。Similarly, when an external force of a predetermined value or more is applied to the hood panel, the front wall and the bottom wall are supported by the fixed part of the vehicle body panel while the reinforcing rib is broken at the connecting part with the reinforcing convex part having a small connecting area. It is explanatory drawing which shows the state deform | transformed below.

符号の説明Explanation of symbols

１ フロントガラス
２ フードパネル
３ カウルパネル（車体パネル）
１０ カウルルーバー
１１ ルーバー本体
１２ 前側凹部
１３ 後壁部
１４ 底壁部
１５ 前壁部
２０ 補強用凸部
２１ 両側板部
２２ 上板部
２５、１２５ 補強用リブ
２６ 前結合部
２７ 後結合部
３０ シール部材 1 windshield 2 food panel 3 cowl panel (body panel)
DESCRIPTION OF SYMBOLS 10 Cowl louver 11 Louver main body 12 Front side recessed part 13 Rear wall part 14 Bottom wall part 15 Front wall part 20 Reinforcement convex part 21 Both side plate part 22 Upper plate part 25, 125 Reinforcement rib 26 Front joint part 27 Rear joint part 30 Seal Element

Claims (2)

ルーバー本体と、このルーバー本体の前部に一体成形されると共に、後壁部と底壁部と前壁部とを有して断面Ｕ字状をなす前側凹部とを一体連続状に備えてフロントガラスとフードパネルとの間を覆う樹脂成形品よりなるカウルルーバーであって、
前記底壁部の前記後壁部寄り部分が車体パネルに固定される一方、前記前壁部の上部には前記フードパネルの下面に弾性的に密接するシール部材が装着され、
前記前壁部の後面から前記底壁部の底面にわたる部分には、前記前壁部及び前記底壁部と同等の板厚で上方へ向けて突出する左右の両側板部と上板部とを有する補強用凸部が一体成形され、
前記補強用凸部の上板部上面と前記後壁部の前面との間には、これら両面にそれぞれ一体に結合されて前後方向へ延び、かつ前記両面にわたって板状をなす補強用リブが一体成形され、
前記補強用リブの前記補強用凸部との結合面積と、前記後壁部との結合面積とで大小の差が設けられ、
前記フードパネルに所定値以上の外力が作用したときには、前記補強用リブを結合面積の小さい部分で破断させながら前記前壁部及び前記底壁部が前記車体パネルの固定部を支点として下方へ変形可能に構成されていることを特徴とするカウルルーバー。 A louver body and a front concave portion integrally formed at the front portion of the louver body and having a rear wall portion, a bottom wall portion, and a front wall portion and having a U-shaped cross section are integrally provided as a front. A cowl louver made of a resin molded product that covers between the glass and the food panel,
While the rear wall portion of the bottom wall portion is fixed to the vehicle body panel, a seal member that is elastically in close contact with the lower surface of the hood panel is attached to the upper portion of the front wall portion,
Left and right side plate portions and an upper plate portion projecting upward with a plate thickness equivalent to that of the front wall portion and the bottom wall portion are provided in a portion extending from the rear surface of the front wall portion to the bottom surface of the bottom wall portion. The reinforcing convex part having is integrally molded,
Wherein between the upper plate upper surface of the reinforcing protrusion and the front face of the rear wall, extending Beauty, and reinforcing ribs which form a plate-like across said both sides are coupled to respective one body thereto both sides in the front-rear direction Is integrally molded,
There is a large or small difference between the coupling area of the reinforcing rib with the reinforcing convex portion and the coupling area with the rear wall portion,
When an external force of a predetermined value or more is applied to the hood panel, the front wall portion and the bottom wall portion are deformed downward with the fixing portion of the vehicle body panel as a fulcrum while breaking the reinforcing rib at a portion having a small coupling area. A cowl louver that is configured to be possible. 請求項１に記載のカウルルーバーであって、
補強用リブは、後壁部との結合面積が補強用凸部との結合面積よりも小さく設定され、
フードパネルに所定値以上の外力が作用したときには、前記補強用リブが後壁部との結合部分で破断される構成にしてあることを特徴とするカウルルーバー。 The cowl louver according to claim 1,
The reinforcing rib is set such that the coupling area with the rear wall portion is smaller than the coupling area with the reinforcing convex portion,
When an external force of a predetermined value or more hood panel is applied, the cowl louver, characterized in that said reinforcing ribs are a configuration that is broken at the bonded portion between the rear wall portion.
JP2008167188A 2008-06-26 2008-06-26 Cowl louver Expired - Fee Related JP4776662B2 (en)

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JP5551032B2 (en) * 2010-09-14 2014-07-16 小島プレス工業株式会社 Cowl louver heat shield
JP5507408B2 (en) * 2010-10-18 2014-05-28 小島プレス工業株式会社 Cowl louver seal structure
JP5711942B2 (en) * 2010-11-19 2015-05-07 日本プラスト株式会社 Cowl top cover
JP5790326B2 (en) * 2011-08-30 2015-10-07 スズキ株式会社 Cowl part structure

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JP3478099B2 (en) * 1997-12-04 2003-12-10 トヨタ自動車株式会社 Car cowl structure
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