JP5841863B2 - Alignment structure of vehicle headlamp and fender panel - Google Patents

Alignment structure of vehicle headlamp and fender panel Download PDF

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JP5841863B2
JP5841863B2 JP2012043478A JP2012043478A JP5841863B2 JP 5841863 B2 JP5841863 B2 JP 5841863B2 JP 2012043478 A JP2012043478 A JP 2012043478A JP 2012043478 A JP2012043478 A JP 2012043478A JP 5841863 B2 JP5841863 B2 JP 5841863B2
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lamp lens
side wall
fender panel
vehicle
concave
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智史 高士
智史 高士
和外 池田
和外 池田
晋弘 菅波
晋弘 菅波
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Daihatsu Motor Co Ltd
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Description

本発明は、車両のヘッドランプとフェンダパネルとの合せ部構造に関し、特に走行風により、いわゆる笛吹音が発生するのを防止するための構造に関する。   The present invention relates to a structure for combining a headlamp and a fender panel of a vehicle, and more particularly to a structure for preventing a so-called whistling sound from being generated by a traveling wind.

ヘッドランプの隙間付近から発生する笛吹音を防止する構造としては、従来例えば特許文献1に開示されているように、ランプレンズの外周縁部に段部を形成すると共にハウジングのレンズ支持部に微細な凹凸部を形成して風を乱すことにより、空気振動の共鳴を抑えるのが一般的である。   As a structure for preventing whistling sound generated from the vicinity of the gap between the headlamps, as disclosed in, for example, Patent Document 1, a step portion is formed on the outer peripheral edge portion of the lamp lens and a lens support portion of the housing is finely formed. It is common to suppress the resonance of air vibration by forming a rough surface and disturbing the wind.

ここで、ランプレンズとフェンダパネルとの合せ部にラビリンス構造を設け、吸い出し流速を低下させることにより、段部等を設けることなく笛吹音を防止することが考えられる。 Here, it is conceivable to prevent a whistling sound without providing a stepped portion or the like by providing a labyrinth structure at the joint portion between the lamp lens and the fender panel and reducing the suction flow velocity.

特開2009−163903号公報JP 2009-163903 A

前記合せ部にラビリンク構造を設ける場合、構造が複雑となり、成形用型費が高くなるとともに、組み付け性が悪化するという問題が懸念される。   When a rabilink structure is provided in the mating portion, the structure becomes complicated, the mold cost for molding becomes high, and there is a concern that the assembling property deteriorates.

一方、ランプレンズとフェンダパネルの端部同士を単純に突き合わせた場合、吸出し流速が高くなるのを回避するために、段部を広い範囲に設けることが必要となり、見栄えとともに生産性が悪化するという問題がある。   On the other hand, when the ends of the lamp lens and the fender panel are simply abutted with each other, it is necessary to provide a stepped portion in a wide range in order to avoid an increase in the suction flow velocity, and the appearance and productivity deteriorate. There's a problem.

本発明は、前記従来の状況に鑑みてなされたもので、ラビリンス構造を採用しない簡易な合せ部構造を採用しながら、必要最小限の段部を設けるだけで笛吹音を防止できる車両のヘッドランプとフェンダパネルとの合せ部構造を提供することを課題としている。   The present invention has been made in view of the above-described conventional situation, and employs a simple mating portion structure that does not employ a labyrinth structure, and can prevent whistling noise by providing a minimum necessary step portion. It is an object to provide a structure of a mating portion between a wing panel and a fender panel.

本発明は、ヘッドランプのランプレンズと車両側部のフェンダパネルとの合せ部が、ランプレンズを車両内方側に指向させたランプレンズ側壁部とフェンダパネルを車両内方側に指向させたフェンダ側壁部とを略平行に対面させた構成となっている車両のヘッドランプとフェンダパネルとの合せ部構造において、
前記ランプレンズには、前記ランプレンズ側壁部に続いて車両後方側に屈曲して延びるように底壁が形成され、前記ランプレンズ側壁部には、前記底壁を該ランプレンズ側壁部側に延長するように凹部が形成され、該凹部内には複数の凹凸部が形成されていることを特徴としている。
The present invention relates to a fender in which a combined portion of a lamp lens of a headlamp and a fender panel on a vehicle side portion has a lamp lens side wall portion in which the lamp lens is directed toward the vehicle inner side and a fender panel is directed toward the vehicle inner side. In the combined structure of the vehicle headlamp and the fender panel, which has a configuration in which the side wall portion faces substantially parallel,
The lamp lens has a bottom wall formed to bend and extend toward the rear side of the vehicle following the lamp lens side wall, and the lamp lens side wall extends the bottom wall toward the lamp lens side wall. A concave portion is formed, and a plurality of concave and convex portions are formed in the concave portion.

本発明に係る合せ部構造によれば、走行風によりランプレンズとフェンダパネルとの隙間から吸い出される吸出し風は、凹部内において渦を巻くと共に、該凹部内の凹凸部によって流れがさらに乱され、流速が低下するので、ラビリンス構造を設けない簡易な合せ部構造であっても必要最小限の凹凸部を設けるだけで、笛吹音を防止できる。   According to the mating portion structure according to the present invention, the suction air sucked out from the gap between the lamp lens and the fender panel by the running wind swirls in the recess, and the flow is further disturbed by the uneven portion in the recess. Since the flow velocity is reduced, whistling noise can be prevented only by providing the necessary minimum unevenness even with a simple mating portion structure without a labyrinth structure.

また、凹部を設けるとともに、該凹部内のみに凹凸部を設けるだけで済むので、凹凸部を広範囲に設けた場合のような見栄えの悪化を回避できる。   In addition, since it is only necessary to provide the concave portion and the concave and convex portion only in the concave portion, it is possible to avoid deterioration of appearance as in the case where the concave and convex portion is provided in a wide range.

本発明の一実施形態に係る合せ部構造が適用されたヘッドランプを備えた車両前部の正面斜視図である。It is a front perspective view of a vehicle front part provided with a headlamp to which a mating part structure according to an embodiment of the present invention is applied. 前記車両におけるヘッドランプ回りの断面平面図(図1のII-II線断面図)である。FIG. 2 is a cross-sectional plan view around the headlamp in the vehicle (a cross-sectional view taken along line II-II in FIG. 1). 前記合せ部構造の拡大断面平面図である。It is an expanded sectional top view of the said fitting part structure. 前記合せ部構造を模式的に示す斜視図である。It is a perspective view which shows the said fitting part structure typically. 前記合せ部構造の吸出し風の流れを説明するための拡大図である。It is an enlarged view for demonstrating the flow of the suction | inhalation wind of the said matching part structure.

以下、本発明の実施の形態を添付図面に基づいて説明する。   Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

図において、1は自動車の前部を示しており、該前部1はエンジンルームの左,右側壁を構成する左,右のフェンダパネル2と、該エンジンルームを開閉するボンネット3と、前壁部を構成するフロントバンパ4とを有する。また、前記車両前部1の左,右コーナ部にヘッドランプ5,5が配置されている。   In the figure, reference numeral 1 denotes a front part of an automobile. The front part 1 is a left and right fender panel 2 constituting left and right side walls of an engine room, a bonnet 3 for opening and closing the engine room, and a front wall. And a front bumper 4 constituting the part. Headlamps 5 and 5 are arranged at the left and right corner portions of the vehicle front portion 1.

前記ヘッドランプ5は、ランプレンズ6と、該ランプレンズ6を支持するランプハウジング7と、該ランプハウジング7に支持され、前記ランプレンズ6側に突出するバルブ8と、該バルブ8を囲む反射鏡9とを有する。   The headlamp 5 includes a lamp lens 6, a lamp housing 7 that supports the lamp lens 6, a bulb 8 that is supported by the lamp housing 7 and protrudes toward the lamp lens 6, and a reflector that surrounds the bulb 8. 9.

前記ランプレンズ6の外縁部6aとフェンダパネル2の前縁部2aとの突き合わせ部に本発明の実施例に係るランプレンズとフェンダパネルとの合せ部構造Aが適用されている。   The abutting portion structure A of the lamp lens and the fender panel according to the embodiment of the present invention is applied to the abutting portion between the outer edge portion 6a of the lamp lens 6 and the front edge portion 2a of the fender panel 2.

前期合せ部構造Aは、前記ランプレンズ6の外縁部6aに車両内方側に指向するようにランプレンズ側壁部6bを一体形成し、前記フェンダパネル2の前縁部2aに車両内方側に指向するようにフェンダ側壁部2bを一体形成し、該フェンダ側壁部2bと前記ランプレンズ側壁部6bとを略平行に、かつ隙間Dを開けて対面させた構成となっている。   In the first-stage matching portion structure A, a lamp lens side wall portion 6b is integrally formed on the outer edge portion 6a of the lamp lens 6 so as to be directed toward the vehicle inner side, and the front edge portion 2a of the fender panel 2 is formed on the vehicle inner side side. The fender side wall portion 2b is integrally formed so as to be oriented, and the fender side wall portion 2b and the lamp lens side wall portion 6b face each other substantially in parallel and with a gap D therebetween.

また、前記ランプレンズ6の外縁部6aには、突部6mが横断面視で円弧状をなすように突設されている。この突部6mは、図4に矢印Bで示すように、走行風が、ランプレンズ側壁部6bと前記フェンダ側壁部2bとの対面部から離れて流れるようにするためのものである。   Further, a protrusion 6m is provided on the outer edge 6a of the lamp lens 6 so as to form an arc shape in a cross-sectional view. As shown by an arrow B in FIG. 4, the projection 6m is for allowing the traveling wind to flow away from the facing portion between the lamp lens side wall 6b and the fender side wall 2b.

さらにまた、前記ランプレンズ6の外縁部6aには、前記ランプレンズ側壁部6bに続いて車両後方側に屈曲して延びるように底壁6cが形成されている。この底壁6cの後端部6dが前記ランプハウジング7に支持されている。   Furthermore, a bottom wall 6c is formed on the outer edge portion 6a of the lamp lens 6 so as to bend and extend toward the vehicle rear side following the lamp lens side wall portion 6b. A rear end 6d of the bottom wall 6c is supported by the lamp housing 7.

そして前記ランプレンズ側壁部6bの前記底壁6c側部分には凹部6eが凹設されている。この凹部6eは、前記底壁6cを該ランプレンズ側壁部6b側に延長した延長部6fと、該延長部6fの先端から前記ランプレンズ側壁部6bに向かって傾斜して延びる傾斜部6gとで構成され、横断面視で、前記ランプレンズ側壁部6bの延長線6b′とで三角形の凹状をなしている。   A concave portion 6e is formed in a portion of the lamp lens side wall portion 6b on the bottom wall 6c side. The concave portion 6e includes an extension portion 6f obtained by extending the bottom wall 6c toward the lamp lens side wall portion 6b, and an inclined portion 6g extending inclined from the distal end of the extension portion 6f toward the lamp lens side wall portion 6b. In the cross-sectional view, it is formed in a triangular concave shape with the extension line 6b 'of the lamp lens side wall 6b.

さらにまた前記ランプレンズ6には前後方向に延びる多数の凸条を車幅方向に並列配置してなる凹凸部6hが形成されている。この凹凸部6hは、前記ランプレンズ側壁部6bに形成された側凹凸部6iと、前記凹部6e内に形成された凹状凹凸部6jと、前記凹部6eから前記底壁6cの前部まで延びるように形成された底凹凸部6kとで構成されている。なお、前記側凹凸部6iはレンズ側壁部6bの外端面より少し内側まで形成されているので外部から見えにくくなっている。   Further, the lamp lens 6 is formed with a concavo-convex portion 6h formed by arranging a large number of ridges extending in the front-rear direction in parallel in the vehicle width direction. The concavo-convex part 6h extends to the front part of the bottom wall 6c from the concave part 6e, the concave / convex part 6j formed in the concave part 6e, the side concavo-convex part 6i formed in the lamp lens side wall part 6b. It is comprised with the bottom uneven part 6k formed in this. In addition, since the said side uneven part 6i is formed to the inner side a little from the outer end surface of the lens side wall part 6b, it is hard to see from the outside.

本実施例構造では、車両が走行すると、前記ヘッドランプ5からフェンダパネル2に沿って流れる走行風Bによって合せ部構造A付近に負圧が発生し、これによりヘッドランプ5とフェンダパネル2との隙間から吸い出される吸出し風Cが発生することとなる。   In the structure of the present embodiment, when the vehicle travels, a negative pressure is generated in the vicinity of the mating portion structure A by the traveling wind B flowing along the fender panel 2 from the headlamp 5, thereby causing the headlamp 5 and the fender panel 2 to move. Suction air C sucked out from the gap is generated.

本実施例では、ランプレンズ側壁部6bに凹部6eを設け、さらに該凹部6e内に凹状凹凸部6jを設けているので、前記吸出し風Cは、凹部6e内においてその形状によって渦を巻くと共に凹条凹凸部6jによって流れがさらに乱され、流速が低下するので、笛吹音を効果的に防止できる。また、前記吸出し風Cは、前記底凹凸部6k及び側凹凸部6iによっても流れが乱され、この点からも流速が低下する。   In this embodiment, the lamp lens side wall 6b is provided with a recess 6e, and the recess 6e is further provided with a concave / convex portion 6j. Therefore, the suction air C swirls in the recess 6e according to its shape and is recessed. Since the flow is further disturbed by the strip irregularities 6j and the flow velocity is lowered, the whistling sound can be effectively prevented. Further, the flow of the suction air C is also disturbed by the bottom uneven portion 6k and the side uneven portion 6i, and the flow velocity also decreases from this point.

さらにまた、前記底壁6cの底凹凸部6kを凹部6eから車両後方に延長し、かつ該凹部6eに向かって直線状に延びる複数の凸条により構成したので、前記吸出し風Cを凹部6e内に効率良く導くことができ、この点からも吸出し風Cが渦を巻き易くなり、さらに流れを乱すことができ、流速を低下させることができる。   Furthermore, since the bottom uneven portion 6k of the bottom wall 6c extends from the recessed portion 6e to the rear of the vehicle and is constituted by a plurality of ridges extending linearly toward the recessed portion 6e, the suction air C is formed in the recessed portion 6e. From this point, the suction air C can easily be swirled, the flow can be disturbed, and the flow velocity can be reduced.

またランプレンズ6の外縁部6aに突部6mを設けたので、走行風が、ランプレンズ側壁部6bと前記フェンダ側壁部2bとの対面部から離れて流れ、それだけ吸出し力を低下させることができる。   Further, since the protrusion 6m is provided on the outer edge portion 6a of the lamp lens 6, the traveling wind flows away from the facing portion between the lamp lens side wall portion 6b and the fender side wall portion 2b, and the suction force can be reduced accordingly. .

このように、本実施例では、ラビリンス構造を要しない簡易な突き合わせ構造により、笛吹音を防止できるので、構造の複雑化を招くこともない。 Thus, in this embodiment, since the whistling sound can be prevented by a simple butting structure that does not require a labyrinth structure, the structure is not complicated.

なお、前記実施例では、前記ランプレンズ側壁部6b及び前記底壁6cの前部にも凹凸部を形成したが、本発明では、凹凸部は、少なくとも凹部6e内に設ければ良い。このようにした場合は、必要最小限の凹凸部を設けるだけで笛吹音の発生を抑制でき、凹凸部を広範囲に設けた場合のような見栄えの悪化を回避できる。   In the above embodiment, the concave and convex portions are also formed in the front portions of the lamp lens side wall portion 6b and the bottom wall 6c. However, in the present invention, the concave and convex portions may be provided at least in the concave portion 6e. In such a case, it is possible to suppress the generation of whistling noises only by providing the minimum necessary uneven portions, and it is possible to avoid the appearance deterioration as in the case where the uneven portions are provided in a wide range.

また前記実施例では、凹凸部を、直線状に延びる複数の凸条で構成した場合を説明したが、本発明の凹凸部はこれに限定されるものではなく、例えば表面に細かい凹みを設けるディンプル等、風を乱すものであれば何でも良い。   Moreover, although the said Example demonstrated the case where an uneven | corrugated | grooved part was comprised with the several protruding item | line extended in a linear form, the uneven | corrugated | grooved part of this invention is not limited to this, For example, the dimple which provides a fine dent on the surface Anything that disturbs the wind is acceptable.

2 フェンダパネル
2b フェンダ側壁部
5 ヘッドランプ
6 ランプレンズ
6b ランプレンズ側壁部
6c 底壁
6e 凹部
6j 凹状凹凸部
A 合せ部構造
2 Fender panel 2b Fender side wall part 5 Head lamp 6 Lamp lens 6b Lamp lens side wall part 6c Bottom wall 6e Concave part 6j Concave uneven part A Matching part structure

Claims (1)

ヘッドランプのランプレンズと車両側部のフェンダパネルとの合せ部が、ランプレンズを車両内方側に指向させたランプレンズ側壁部とフェンダパネルを車両内方側に指向させたフェンダ側壁部とを略平行に対面させた構成となっている車両のヘッドランプとフェンダパネルとの合せ部構造において、
前記ランプレンズには、前記ランプレンズ側壁部に続いて車両後方側に屈曲して延びるように底壁が形成され、
前記ランプレンズ側壁部には、前記底壁を該ランプレンズ側壁部側に延長するように凹部が形成され、
該凹部内には複数の凹凸部が形成されている
ことを特徴とする車両のヘッドランプとフェンダパネルとの合せ部構造。
The combined portion of the lamp lens of the headlamp and the fender panel on the vehicle side includes a lamp lens side wall portion in which the lamp lens is directed toward the vehicle inner side and a fender side wall portion in which the fender panel is directed toward the vehicle inner side. In the structure of the mating portion of the vehicle headlamp and the fender panel, which are configured to face each other substantially in parallel,
In the lamp lens, a bottom wall is formed so as to bend and extend toward the vehicle rear side following the lamp lens side wall portion,
The lamp lens side wall is formed with a recess so as to extend the bottom wall toward the lamp lens side wall,
A plurality of concave and convex portions are formed in the concave portion, and the vehicle headlamp and fender panel mating portion structure.
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