JP2013023199A - Vehicle rear part structure - Google Patents

Vehicle rear part structure Download PDF

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JP2013023199A
JP2013023199A JP2011163369A JP2011163369A JP2013023199A JP 2013023199 A JP2013023199 A JP 2013023199A JP 2011163369 A JP2011163369 A JP 2011163369A JP 2011163369 A JP2011163369 A JP 2011163369A JP 2013023199 A JP2013023199 A JP 2013023199A
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vehicle
duct portion
duct
muddy water
air passage
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Shinya Watanabe
紳也 渡辺
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Toyota Motor Corp
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Toyota Motor Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a vehicle rear part structure capable of suppressing splash of passing matter such as muddy water toward a vehicle rear part.SOLUTION: A duct portion 20 as an air passage discharging air in a rear wheel house toward the vehicle rear part side of a rear bumper cover is provided inside the rear bumper cover and at the vehicle rear portion side of the rear wheel house. The duct portion 20 is formed of a rectangular cylinder body, and a plurality of flat plates 34 stretched over a pair of right and left vertical walls 20A, 20A are provided in the duct portion 20. Any of the plurality of flat plates 34 impinges on muddy water as the passing matter passing through the duct portion 20 to reduce the moving speed of the muddy water 40, and thus splash of the muddy water 40 toward the vehicle rear portion can be suppressed.

Description

本発明は、車両後部構造に関する。   The present invention relates to a vehicle rear structure.

下記特許文献１には、リアバンパとクォータパネルとによって形成された通路部を備え、リアホイールハウス内の空気を通路部によりリアバンパの後面に設けられた開口から車両後方へ排出する構造が開示されている。この構造では、リアホイールハウス内の空気を通路部からリアバンパの開口の車両後方に向けて吹き出すことで、車両の空気抵抗の低減を図っている。   Patent Document 1 below discloses a structure that includes a passage portion formed by a rear bumper and a quarter panel, and discharges air in the rear wheel house to the rear of the vehicle through an opening provided on the rear surface of the rear bumper by the passage portion. Yes. In this structure, the air resistance of the vehicle is reduced by blowing out the air in the rear wheel house from the passage portion toward the rear of the vehicle at the opening of the rear bumper.

特開平７−２５３６９号公報Japanese Patent Laid-Open No. 7-25369

上記特許文献１では、雨天の車両走行時に、リアタイヤによって巻き上げられた泥水がリアホイールハウスの後方に設けられた通路部を通り、リアバンパの後面の開口から車両後方へ飛散する可能性がある。   In Patent Document 1, when the vehicle travels in the rain, there is a possibility that the muddy water wound up by the rear tire passes through the passage portion provided at the rear of the rear wheel house and is scattered from the opening on the rear surface of the rear bumper to the rear of the vehicle.

本発明は上記事実を考慮し、車両後方への泥水等の通過物の飛散を抑制することができる車両後部構造を得ることが目的である。   In view of the above fact, an object of the present invention is to obtain a vehicle rear structure capable of suppressing scattering of passing objects such as muddy water to the rear of the vehicle.

請求項１の発明に係る車両後部構造は、リアバンパカバーの内側で、かつリアホイールハウスの車両後方側に設けられ、前記リアホイールハウス内の空気を前記リアバンパカバーの後部域に設けられた排出開口から車両後方へ排出する空気通路部と、前記空気通路部内に設けられ、前記空気通路部内を通過する通過物に当たることで前記通過物の移動速度を減速させる低速化手段と、を有するものである。   The vehicle rear structure according to the invention of claim 1 is provided inside the rear bumper cover and on the vehicle rear side of the rear wheel house, and the discharge opening provided in the rear region of the rear bumper cover for the air in the rear wheel house An air passage portion that discharges the vehicle from the rear to the vehicle, and a speed reducing means that is provided in the air passage portion and decelerates the moving speed of the passing material by hitting a passing material that passes through the air passage portion. .

請求項２の発明は、請求項１記載の車両後部構造において、前記低速化手段は、前記空気通路部を構成する壁から突出して設けられた突部材であるものである。   According to a second aspect of the present invention, in the vehicle rear portion structure according to the first aspect, the speed reducing means is a projecting member provided so as to project from a wall constituting the air passage portion.

請求項３の発明は、請求項２に記載の車両後部構造において、前記突部材は、前記空気通路部の空気の流れ方向に対して交差する方向に配置されると共に、前記空気通路部の対向する壁に架け渡されているものである。   According to a third aspect of the present invention, in the vehicle rear portion structure according to the second aspect, the projecting member is disposed in a direction intersecting the air flow direction of the air passage portion and is opposed to the air passage portion. It is laid across the wall.

請求項１記載の本発明によれば、リアバンパカバーの内側かつリアホイールハウスの車両後方側に設けられた空気通路部によって、リアホイールハウス内の空気がリアバンパカバーの後部域に設けられた排出開口から車両後方へ排出される。空気通路部内には、通過物の移動速度を減速させる低速化手段が設けられており、空気通路部内を通過する通過物に低速化手段が当たることで、通過物の移動速度が減速される。これにより、空気通路部を泥水等の通過物が直進することが妨げられ、排出開口から車両後方への泥水等の通過物の飛散が抑制される。   According to the first aspect of the present invention, the air passage provided in the rear bumper cover and on the vehicle rear side of the rear wheel house allows the air in the rear wheel house to be provided in the rear area of the rear bumper cover. To the rear of the vehicle. A speed reducing means for reducing the moving speed of the passing material is provided in the air passage portion, and the moving speed of the passing material is reduced by the speed reducing means hitting the passing material passing through the air passage portion. Thereby, it is prevented that the passing material such as muddy water goes straight through the air passage portion, and scattering of the passing material such as muddy water from the discharge opening to the rear of the vehicle is suppressed.

請求項２記載の本発明によれば、低速化手段は、空気通路部を構成する壁から突出して設けられた突部材であり、空気通路部内を通過する通過物に突部材が当たることで、通過物の移動速度が減速される。これにより、空気通路部を泥水等の通過物が直進することが妨げられ、排出開口から車両後方への泥水等の通過物の飛散が抑制される。   According to the second aspect of the present invention, the speed-lowering means is a projecting member provided to project from the wall constituting the air passage portion, and the projecting member hits the passing material passing through the air passage portion. The moving speed of the passing object is reduced. Thereby, it is prevented that the passing material such as muddy water goes straight through the air passage portion, and scattering of the passing material such as muddy water from the discharge opening to the rear of the vehicle is suppressed.

請求項３記載の本発明によれば、突部材は、気通路部の空気の流れ方向に対して交差する方向に配置されると共に、空気通路部の対向する壁に架け渡されており、空気通路部内を通過する通過物に突部材が当りやすい。このため、通過物の移動速度がより確実に減速される。これにより、空気通路部を泥水等の通過物が直進することがより確実に妨げられ、排出開口から車両後方への泥水等の通過物の飛散がより効果的に抑制される。   According to the third aspect of the present invention, the projecting member is arranged in a direction intersecting with the air flow direction of the air passage portion, and is spanned between the opposing walls of the air passage portion, and the air The protruding member easily hits the passing material passing through the passage portion. For this reason, the moving speed of the passing material is more reliably decelerated. This more reliably prevents the passing material such as muddy water from traveling straight through the air passage portion, and the scattering of the passing material such as muddy water from the discharge opening to the rear of the vehicle is more effectively suppressed.

本発明に係る車両後部構造によれば、車両後方への泥水等の通過物の飛散を抑制することができる。   According to the vehicle rear structure according to the present invention, it is possible to suppress scattering of passing objects such as muddy water to the rear of the vehicle.

第１実施形態に係る車両後部構造が適用された車両を示す斜視図である。1 is a perspective view showing a vehicle to which a vehicle rear structure according to a first embodiment is applied. 第１実施形態に係る車両後部構造が適用された車両の後部のダクト部付近の構成を示す斜視図である。It is a perspective view showing the composition near the duct part of the rear part of the vehicle to which the vehicle rear part structure concerning a 1st embodiment was applied. 第１実施形態に係る車両後部構造が適用された車両の後部のダクト部付近の構成を示す側面図である。It is a side view showing the composition near the duct part of the rear part of the vehicle to which the vehicle rear part structure concerning a 1st embodiment was applied. 図２に示す車両後部構造に用いられるダクト部を示す斜視図である。It is a perspective view which shows the duct part used for the vehicle rear part structure shown in FIG. 図４に示すダクト部の長手方向に沿った縦断面図である。It is a longitudinal cross-sectional view along the longitudinal direction of the duct part shown in FIG. 図５中の２−２線に沿った縦断面図である。It is a longitudinal cross-sectional view along line 2-2 in FIG. 第２実施形態に係る車両後部構造が適用された車両の後部のダクト部付近の構成を示す斜視図である。It is a perspective view which shows the structure of the duct part vicinity of the rear part of the vehicle to which the vehicle rear part structure which concerns on 2nd Embodiment was applied. 第２実施形態に係る車両後部構造に用いられるダクト部の長手方向に沿った縦断面図である。It is a longitudinal cross-sectional view along the longitudinal direction of the duct part used for the vehicle rear part structure which concerns on 2nd Embodiment. 第３実施形態に係る車両後部構造に用いられるダクト部の長手方向に沿った縦断面図である。It is a longitudinal cross-sectional view along the longitudinal direction of the duct part used for the vehicle rear part structure which concerns on 3rd Embodiment. 図９中の４−４線に沿った縦断面図である。It is a longitudinal cross-sectional view along line 4-4 in FIG.

以下、図１〜図６を用いて、本発明に係る車両後部構造の第１実施形態について説明する。なお、これらの図において適宜示される矢印ＲＲは車両後方側を示しており、矢印ＵＰは車両上方側を示しており、矢印ＯＵＴは車両幅方向外側を示している。   Hereinafter, a first embodiment of a vehicle rear structure according to the present invention will be described with reference to FIGS. Note that an arrow RR appropriately shown in these drawings indicates the vehicle rear side, an arrow UP indicates the vehicle upper side, and an arrow OUT indicates the vehicle width direction outer side.

図１には、本実施形態に係る車両後部構造が適用される車両が斜視図にて示されている。図２には、本実施形態に係る車両後部構造が適用される車両の後部が斜視図にて示されており、図３には、本実施形態に係る車両後部構造が適用される車両の後部が側面図にて示されている。これらの図に示されるように、車両１０の後部１１には、車両下方側の後端部に樹脂製のリアバンパカバー１２が取り付けられている。リアバンパカバー１２は、車両１０の後端部に車両幅方向に沿って配置される後面部１２Ａと、後面部１２Ａの車両幅方向両端部から車両前方側に延びる側面部１２Ｂと、を備えている。車両１０の後部１１には、リアバンパカバー１２の後面部１２Ａと側面部１２Ｂとが交差する位置の上方側にリアコンビネーションランプ２２が取り付けられている。なお、図３では、車両１０の一方の側部のリアバンパカバー１２の側面部１２Ｂのみが図示されており、車両１０の他方の側部は左右対称であるので図示を省略している。   FIG. 1 is a perspective view of a vehicle to which the vehicle rear portion structure according to the present embodiment is applied. FIG. 2 is a perspective view showing a rear portion of a vehicle to which the vehicle rear structure according to the present embodiment is applied. FIG. 3 shows a rear portion of the vehicle to which the vehicle rear structure according to the present embodiment is applied. Is shown in a side view. As shown in these drawings, a rear bumper cover 12 made of resin is attached to the rear portion 11 of the vehicle 10 at the rear end portion on the vehicle lower side. The rear bumper cover 12 includes a rear surface portion 12A disposed along the vehicle width direction at the rear end portion of the vehicle 10, and a side surface portion 12B extending from both ends in the vehicle width direction of the rear surface portion 12A to the vehicle front side. . A rear combination lamp 22 is attached to the rear portion 11 of the vehicle 10 above the position where the rear surface portion 12A and the side surface portion 12B of the rear bumper cover 12 intersect. In FIG. 3, only the side surface portion 12B of the rear bumper cover 12 on one side of the vehicle 10 is illustrated, and the other side portion of the vehicle 10 is left-right symmetric and is not illustrated.

車両１０の後部１１には、リアバンパカバー１２の側面部１２Ｂの車両前方側に、リアタイヤ１４を格納するリアホイールハウス１６が設けられている。リアバンパカバー１２の側面部１２Ｂの前端には、リアタイヤ１４と対向する位置にフェンダライナー１８が設けられている。フェンダライナー１８は、リアタイヤ１４の周面に沿って車両上下方向及び車両幅方向に湾曲して形成されている。   The rear portion 11 of the vehicle 10 is provided with a rear wheel house 16 for storing the rear tire 14 on the vehicle front side of the side surface portion 12B of the rear bumper cover 12. A fender liner 18 is provided at a position facing the rear tire 14 at the front end of the side surface portion 12B of the rear bumper cover 12. The fender liner 18 is formed to curve in the vehicle vertical direction and the vehicle width direction along the peripheral surface of the rear tire 14.

リアバンパカバー１２の側面部１２Ｂの車両幅方向内側には、車両前後方向に沿って空気通路部の一例としてのダクト部（リアアウトレットとも言う）２０が設けられている。ダクト部２０は、車両１０の後部１１の両サイドに設けられている（図２参照）。ダクト部２０は、リアバンパカバー１２の側面部１２Ｂとその車両幅方向内側の車両本体との間に配置されており、車両本体に図示しない取付具により固定されている。ダクト部２０は、リアホイールハウス１６の車両後方側に配置されている。   A duct portion (also referred to as a rear outlet) 20 as an example of an air passage portion is provided on the inner side in the vehicle width direction of the side surface portion 12B of the rear bumper cover 12 along the vehicle front-rear direction. The duct part 20 is provided on both sides of the rear part 11 of the vehicle 10 (see FIG. 2). The duct portion 20 is disposed between the side surface portion 12B of the rear bumper cover 12 and the vehicle main body on the inner side in the vehicle width direction, and is fixed to the vehicle main body with a fixture (not shown). The duct portion 20 is disposed on the vehicle rear side of the rear wheel house 16.

図２及び図４に示されるように、ダクト部２０は、筒状体からなり、車両幅方向に沿った断面が車両上下方向に長い矩形状に形成されている。すなわち、ダクト部２０は、車両幅方向内側と車両幅方向外側に対向するように配置された左右一対の縦壁２０Ａ、２０Ａと、車両上方と車両下方に対向するように配置された上下一対の横壁２０Ｂ、２０Ｃと、を備えている。ダクト部２０の前端部には、リアホイールハウス１６内の空気が流入される流入開口３０が形成されており、ダクト部２０の後端部には、ダクト部２０内を通った空気が排出される排出開口３２が形成されている。車両下方の横壁２０Ｃは、流入開口３０から車両後方側に向かってやや上り勾配となるように傾斜して配置されている（図５参照）。   As shown in FIGS. 2 and 4, the duct portion 20 is formed of a cylindrical body, and a cross section along the vehicle width direction is formed in a rectangular shape that is long in the vehicle vertical direction. That is, the duct portion 20 includes a pair of left and right vertical walls 20A, 20A arranged to face the vehicle width direction inner side and the vehicle width direction outer side, and a pair of upper and lower vertical walls arranged to face the vehicle upper side and the vehicle lower side. Horizontal walls 20B and 20C. An inflow opening 30 through which air in the rear wheel house 16 flows is formed at the front end portion of the duct portion 20, and air that has passed through the duct portion 20 is discharged at the rear end portion of the duct portion 20. A discharge opening 32 is formed. The lateral wall 20C below the vehicle is arranged so as to be inclined slightly upward from the inflow opening 30 toward the vehicle rear side (see FIG. 5).

フェンダライナー１８には、ダクト部２０の流入開口３０とほぼ同じ形状の開口が設けられており、ダクト部２０の流入開口３０がフェンダライナー１８の開口に連結されている（図１及び図３参照）。リアバンパカバー１２の後面部１２Ａには、ダクト部２０の排出開口３２とほぼ同じ形状の開口が設けられており、ダクト部２０の排出開口３２が後面部１２Ａの開口に連結されている（図２参照）。すなわち、ダクト部２０の流入開口３０はフェンダライナー１８の開口を介してリアホイールハウス１６と連通している。また、ダクト部２０の排出開口３２はリアバンパカバー１２の後面部１２Ａの開口を介して車両１０の後部１１の外部側と連通している。これによって、リアホイールハウス１６内の空気が流入開口３０からダクト部２０内に流入し、空気がダクト部２０内を通って排出開口３２からリアバンパカバー１２の後面部１２Ａの後方側へ排出されるようになっている。   The fender liner 18 is provided with an opening having substantially the same shape as the inflow opening 30 of the duct portion 20, and the inflow opening 30 of the duct portion 20 is connected to the opening of the fender liner 18 (see FIGS. 1 and 3). ). An opening having substantially the same shape as the discharge opening 32 of the duct portion 20 is provided in the rear surface portion 12A of the rear bumper cover 12, and the discharge opening 32 of the duct portion 20 is connected to the opening of the rear surface portion 12A (FIG. 2). reference). That is, the inflow opening 30 of the duct portion 20 communicates with the rear wheel house 16 through the opening of the fender liner 18. Further, the discharge opening 32 of the duct portion 20 communicates with the outside of the rear portion 11 of the vehicle 10 through the opening of the rear surface portion 12 </ b> A of the rear bumper cover 12. As a result, the air in the rear wheel house 16 flows into the duct portion 20 from the inflow opening 30, and the air passes through the duct portion 20 and is discharged from the discharge opening 32 to the rear side of the rear surface portion 12 </ b> A of the rear bumper cover 12. It is like that.

図４〜図６に示されるように、ダクト部２０には、ダクト部２０を構成する縦壁２０Ａからダクト部２０内に突出する突部材の一例としての平板３４が設けられている。平板３４は、ダクト部２０内で対向する左右一対の縦壁２０Ａ、２０Ａに架け渡されている（図６等参照）。平板３４は、ダクト部２０の長手方向（車両前後方向）、すなわちダクト部２０内の空気の流れ方向に対して交差する方向に配置されている（図５等参照）。   As shown in FIGS. 4 to 6, the duct portion 20 is provided with a flat plate 34 as an example of a protruding member that protrudes from the vertical wall 20 </ b> A constituting the duct portion 20 into the duct portion 20. The flat plate 34 is spanned across a pair of left and right vertical walls 20A, 20A facing each other in the duct portion 20 (see FIG. 6 and the like). The flat plate 34 is disposed in the longitudinal direction of the duct portion 20 (vehicle longitudinal direction), that is, in a direction intersecting with the air flow direction in the duct portion 20 (see FIG. 5 and the like).

また、平板３４の上下面は、ダクト部２０の長手方向、すなわちダクト部２０内の空気の流れ方向に沿って配置されている。平板３４の車両前後方向の長さは、ダクト部２０の流入開口３０から排出開口３２までの長さよりも短く設定されており、平板３４は、ダクト部２０内の車両上下方向及び車両前後方向に間隔をおいて複数設けられている。言い換えると、複数の平板３４は、ダクト部２０内の車両上下方向、車両前後方向に分散して横方向（車両幅方向）に配置されている。これにより、ダクト部２０内に複数の平板３４を設けても、流入開口３０を制限することがなく、また、ダクト部２０内を流れる空気の通風量が減少しない構成とされている。また、複数の平板３４は、ダクト部２０内の車両上下方向、車両前後方向に分散して横方向に配置されていることで、雨天の車両走行時などにダクト部２０内に通過物（質量体）としての泥水４０が通過するときに、泥水４０に複数の平板３４のいずれかが当たることで、泥水４０の移動速度を減速させるようになっている。すなわち、複数の平板３４は、ダクト部２０内に入った泥水４０の移動速度を減速させる「低速化手段」として機能する。   Further, the upper and lower surfaces of the flat plate 34 are arranged along the longitudinal direction of the duct part 20, that is, the air flow direction in the duct part 20. The length of the flat plate 34 in the vehicle front-rear direction is set shorter than the length from the inflow opening 30 to the discharge opening 32 of the duct portion 20, and the flat plate 34 extends in the vehicle up-down direction and the vehicle front-back direction in the duct portion 20. A plurality are provided at intervals. In other words, the plurality of flat plates 34 are dispersed in the vehicle vertical direction and the vehicle front-rear direction in the duct portion 20 and arranged in the lateral direction (vehicle width direction). Thereby, even if the some flat plate 34 is provided in the duct part 20, the inflow opening 30 is not restrict | limited and it is set as the structure by which the ventilation volume of the air which flows through the inside of the duct part 20 does not reduce. Further, the plurality of flat plates 34 are distributed in the vehicle vertical direction and the vehicle front-rear direction in the duct part 20 and arranged in the horizontal direction, so that a passing material (mass in the duct part 20 when the vehicle travels in rainy weather). When the muddy water 40 as the body passes, any one of the plurality of flat plates 34 hits the muddy water 40 so that the moving speed of the muddy water 40 is reduced. That is, the plurality of flat plates 34 function as “slow-down means” that reduces the moving speed of the muddy water 40 that has entered the duct portion 20.

次に、本実施形態の作用並びに効果について説明する。   Next, the operation and effect of this embodiment will be described.

リアバンパカバー１２の側面部１２Ｂの車両幅方向内側には、車両前後方向に沿って筒状のダクト部２０が設けられており、ダクト部２０の前端部の流入開口３０はフェンダライナー１８の開口に連結されており、ダクト部２０の排出開口３２はリアバンパカバー１２の後面部１２Ａの開口に連結されている。これによって、リアホイールハウス１６内の空気が流入開口３０からダクト部２０内に流入し、更に空気がダクト部２０内を通って排出開口３２からリアバンパカバー１２の後面部１２Ａの後方側（車両１０の後部１１の外部側）へ排出される。すなわち、図５に示されるように、矢印Ａ方向に沿ってダクト部２０の流入開口３０から排出開口３２に向かって空気が流れる。   A cylindrical duct portion 20 is provided along the vehicle front-rear direction on the inner side in the vehicle width direction of the side surface portion 12B of the rear bumper cover 12, and the inflow opening 30 at the front end portion of the duct portion 20 is the opening of the fender liner 18. The discharge opening 32 of the duct portion 20 is connected to the opening of the rear surface portion 12 </ b> A of the rear bumper cover 12. As a result, air in the rear wheel house 16 flows into the duct portion 20 from the inflow opening 30, and further air passes through the duct portion 20 and from the discharge opening 32 to the rear side of the rear surface portion 12 </ b> A of the rear bumper cover 12 (vehicle 10 To the outside of the rear part 11). That is, as shown in FIG. 5, air flows from the inflow opening 30 of the duct portion 20 toward the discharge opening 32 along the arrow A direction.

その際、図５及び図６に示されるように、ダクト部２０の対向する左右一対の縦壁２０Ａ、２０Ａに複数の平板３４が架け渡されており、複数の平板３４は、ダクト部２０内の車両上下方向、車両前後方向に分散して横方向（車両幅方向）に配置されている。これにより、図５に示されるように、雨天の車両走行時などにダクト部２０内に通過物としての泥水４０が入った場合に、泥水４０に複数の平板３４のいずれかが当たることで、泥水４０の移動速度が減速される。泥水４０は平板３４に付着し、又はダクト部２０の下部に落下する。これにより、ダクト部２０内を泥水４０等の通過物（質量体）が直進することが妨げられ、ダクト部２０の排出開口３２から車両後方へ泥水４０等の通過物が飛散することを抑制することができる。このため、車両１０の後方に後続車が走行する場合でも、後続車の前方視界を妨げることが阻止される。   At that time, as shown in FIGS. 5 and 6, a plurality of flat plates 34 are bridged between a pair of left and right vertical walls 20 </ b> A and 20 </ b> A facing the duct portion 20. Are arranged in the lateral direction (vehicle width direction) in a distributed manner in the vehicle vertical direction and vehicle longitudinal direction. Thereby, as shown in FIG. 5, when muddy water 40 as a passing material enters the duct portion 20 when the vehicle travels in rainy weather, any one of the plurality of flat plates 34 hits the muddy water 40. The moving speed of the muddy water 40 is reduced. The muddy water 40 adheres to the flat plate 34 or falls to the lower part of the duct portion 20. Thereby, it is prevented that the passing material (mass body) such as the muddy water 40 travels straight in the duct portion 20, and the passing material such as the muddy water 40 is prevented from scattering from the discharge opening 32 of the duct portion 20 to the rear of the vehicle. be able to. For this reason, even when the succeeding vehicle travels behind the vehicle 10, it is prevented that the forward view of the succeeding vehicle is obstructed.

また、複数の平板３４は、ダクト部２０の対向する左右一対の縦壁２０Ａに架け渡されると共に、ダクト部２０内の空気の流れ方向に対して交差する方向に配置されている。さらに、複数の平板３４は、ダクト部２０内の車両上下方向、車両前後方向に分散して横方向に配置されている。これにより、ダクト部２０内に入った泥水４０に複数の平板３４のいずれかが当りやすい。このため、ダクト部２０内を泥水４０等の通過物が直進することがより確実に妨げられ、ダクト部２０の排出開口３２から車両後方へ泥水４０等の通過物が飛散することをより効果的に抑制することができる。   Further, the plurality of flat plates 34 are bridged between a pair of left and right vertical walls 20 </ b> A opposite to each other of the duct portion 20, and are arranged in a direction intersecting with the air flow direction in the duct portion 20. Further, the plurality of flat plates 34 are arranged in the lateral direction dispersed in the vehicle vertical direction and the vehicle longitudinal direction in the duct portion 20. Thereby, any one of the plurality of flat plates 34 easily hits the muddy water 40 that has entered the duct portion 20. For this reason, it is more effectively prevented that the passing material such as the muddy water 40 goes straight through the duct portion 20, and the passing material such as the muddy water 40 is more effectively scattered from the discharge opening 32 of the duct portion 20 to the rear of the vehicle. Can be suppressed.

さらに、複数の平板３４の上下面は、ダクト部２０の長手方向、すなわちダクト部２０内の空気の流れ方向に沿って配置されると共に、複数の平板３４は、ダクト部２０内の車両上下方向、車両前後方向に分散して配置されている。これにより、ダクト部２０内に複数の平板３４を設けても、流入開口３０を制限することがなく、また、ダクト部２０内を流れる空気の通風量が減少することが抑制される。   Further, the upper and lower surfaces of the plurality of flat plates 34 are arranged along the longitudinal direction of the duct portion 20, that is, the air flow direction in the duct portion 20, and the plurality of flat plates 34 are arranged in the vehicle vertical direction in the duct portion 20. The vehicle is arranged in a distributed manner in the longitudinal direction of the vehicle. Thereby, even if the some flat plate 34 is provided in the duct part 20, the inflow opening 30 is not restrict | limited, and it is suppressed that the ventilation rate of the air which flows through the inside of the duct part 20 reduces.

さらにまた、ダクト部２０の対向する左右一対の縦壁２０Ａに複数の平板３４が架け渡されることで、ダクト部２０の剛性を向上させることができる。   Furthermore, the rigidity of the duct part 20 can be improved by spanning the plurality of flat plates 34 between the pair of left and right vertical walls 20A facing the duct part 20.

次に、図７及び図８を用いて、本発明に係る車両後部構造の第２実施形態について説明する。なお、前述した第１実施形態と同一構成部分については、同一番号を付してその説明を省略する。   Next, a second embodiment of the vehicle rear structure according to the present invention will be described with reference to FIGS. 7 and 8. In addition, about the same component as 1st Embodiment mentioned above, the same number is attached | subjected and the description is abbreviate | omitted.

図７に示されるように、リアバンパカバー１２の側面部１２Ｂの車両幅方向内側には、車両前後方向に沿って空気通路部の一例としてのダクト部５０が設けられている。ダクト部５０は、リアホイールハウス１６の車両後方側に配置されている。   As shown in FIG. 7, a duct portion 50 as an example of an air passage portion is provided on the inner side in the vehicle width direction of the side surface portion 12B of the rear bumper cover 12 along the vehicle front-rear direction. The duct portion 50 is disposed on the vehicle rear side of the rear wheel house 16.

図７及び図８に示されるように、ダクト部５０は、筒状体からなり、車両幅方向内側と車両幅方向外側に対向するように配置された左右一対の縦壁５０Ａ、５０Ａと、車両上方と車両下方に対向するように配置された上下一対の横壁５０Ｂ、５０Ｃと、を備えている。なお、図８には、ダクト部５０の図中手前側の縦壁は図示されていない。車両上方の横壁５０Ｂは、車両前後方向の中間部が車両上方側に突出するように湾曲して形成されている。車両下方の横壁５０Ｃは、車両前後方向の中間部が凹状に湾曲した状態で、流入開口３０から車両後方側に向かってやや上り勾配となるように配置されている。   As shown in FIGS. 7 and 8, the duct portion 50 is formed of a cylindrical body, and a pair of left and right vertical walls 50 </ b> A and 50 </ b> A arranged to face the vehicle width direction inner side and the vehicle width direction outer side, and the vehicle And a pair of upper and lower lateral walls 50B and 50C arranged to face the upper side and the lower side of the vehicle. In FIG. 8, the vertical wall on the near side of the duct portion 50 in the drawing is not shown. The lateral wall 50B above the vehicle is formed to be curved so that an intermediate portion in the vehicle front-rear direction protrudes toward the vehicle upper side. The lateral wall 50C below the vehicle is arranged so as to have a slightly upward slope from the inflow opening 30 toward the vehicle rear side in a state where the middle portion in the vehicle front-rear direction is curved in a concave shape.

ダクト部５０には、ダクト部５０を構成する縦壁５０Ａからダクト部５０内に突出する突部材の一例としての壁体５２が設けられている。壁体５２は、中空の突出部材からなり、ダクト部５０内で対向する左右一対の縦壁５０Ａ、５０Ａに架け渡されている。壁体５２は、車両側面視にてダクト部５０の車両前後方向及び車両上下方向の中央部に設けられており、外周面が略長円状に形成されている。これにより、車両側面視にて、ダクト部５０内の車両前後方向の中間部では、壁体５２の上方の空気通路部５４Ａと、壁体５２の下方の空気通路部５４Ｂに分割されている。   The duct portion 50 is provided with a wall body 52 as an example of a protruding member that protrudes into the duct portion 50 from the vertical wall 50A constituting the duct portion 50. The wall body 52 is formed of a hollow projecting member, and is spanned between a pair of left and right vertical walls 50A and 50A facing each other in the duct portion 50. The wall body 52 is provided in the vehicle front-rear direction and the vehicle vertical direction center portion of the duct portion 50 in a vehicle side view, and the outer peripheral surface is formed in a substantially oval shape. As a result, when viewed from the side of the vehicle, an intermediate portion in the longitudinal direction of the vehicle in the duct portion 50 is divided into an air passage portion 54A above the wall body 52 and an air passage portion 54B below the wall body 52.

また、図８に示されるように、車両側面視にてダクト部５０の流入開口３０の上端よりも壁体５２の上面５２Ａが車両上方側に配置されており、壁体５２の最下面部５２Ｂよりもダクト部５０の排出開口３２の下端が車両上方側に配置されている。このような壁体５２を設けることにより、ダクト部５０の流入開口３０から車両後方の排出開口３２が見通せないように設定されている。   Further, as shown in FIG. 8, the upper surface 52A of the wall body 52 is arranged on the vehicle upper side from the upper end of the inflow opening 30 of the duct portion 50 in a side view of the vehicle, and the lowermost surface portion 52B of the wall body 52 is disposed. Further, the lower end of the discharge opening 32 of the duct portion 50 is arranged on the vehicle upper side. By providing such a wall body 52, the discharge opening 32 at the rear of the vehicle cannot be seen from the inflow opening 30 of the duct portion 50.

このような車両後部構造では、リアホイールハウス１６内の空気が流入開口３０からダクト部５０内に流入し、更に空気がダクト部５０内で壁体５２により分割された上方の空気通路部５４Ａと下方の空気通路部５４Ｂに分かれて流れ、排出開口３２からリアバンパカバー１２の後面部１２Ａの後方側（車両１０の後部１１の外部側）へ排出される。   In such a vehicle rear structure, the air in the rear wheel house 16 flows into the duct portion 50 from the inflow opening 30, and the air is further divided into the upper air passage portion 54 </ b> A divided by the wall body 52 in the duct portion 50. The air flows separately into the lower air passage portion 54B, and is discharged from the discharge opening 32 to the rear side of the rear surface portion 12A of the rear bumper cover 12 (outside of the rear portion 11 of the vehicle 10).

ダクト部５０内では、車両側面視にて左右一対の縦壁５０Ａ、５０Ａの車両前後方向及び車両上下方向の中央部に壁体５２が架け渡されており、ダクト部５０の流入開口３０から車両後方の排出開口３２が見通せないように設定されている。このため、図８に示されるように、雨天の車両走行時などに、ダクト部５０内に通過物（質量体）としての泥水４０が入った場合に、泥水４０に壁体５２が当たることで、泥水４０の移動速度が減速される。すなわち、壁体５２は、ダクト部５０内に入った泥水４０の移動速度を減速させる「低速化手段」として機能する。泥水４０は壁体５２に付着し、又はダクト部５０の下部に落下する。これにより、ダクト部５０内を泥水４０等の通過物が直進することが妨げられ、ダクト部５０の排出開口３２から車両後方へ泥水４０等の通過物が飛散することを抑制することができる。このため、車両１０の後方に後続車が走行する場合でも、後続車の前方視界を妨げることが阻止される。   In the duct portion 50, a wall body 52 is bridged between the vehicle longitudinal direction and the vehicle vertical direction center of the pair of left and right vertical walls 50 </ b> A, 50 </ b> A as viewed from the side of the vehicle. It is set so that the rear discharge opening 32 cannot be seen. For this reason, as shown in FIG. 8, when the muddy water 40 as the passing material (mass body) enters the duct portion 50 when the vehicle travels in the rain, the wall body 52 hits the muddy water 40. The moving speed of the muddy water 40 is reduced. That is, the wall body 52 functions as a “slowering means” that reduces the moving speed of the muddy water 40 that has entered the duct portion 50. The muddy water 40 adheres to the wall body 52 or falls to the lower part of the duct portion 50. Thereby, it is prevented that the passing material such as the muddy water 40 travels straight in the duct portion 50, and the passing material such as the muddy water 40 can be prevented from scattering from the discharge opening 32 of the duct portion 50 to the rear of the vehicle. For this reason, even when the succeeding vehicle travels behind the vehicle 10, it is prevented that the forward view of the succeeding vehicle is obstructed.

また、ダクト部５０の流入開口３０から車両後方の排出開口３２が見通せないように壁体５２を設けることで、ダクト部５０内を通過する泥水４０に壁体５２がより確実に当たり、泥水４０の移動速度が減速される。このため、ダクト部５０の排出開口３２から車両後方へ泥水４０等の通過物が飛散することをより効果的に抑制することができる。   Further, by providing the wall body 52 so that the discharge opening 32 at the rear of the vehicle cannot be seen from the inflow opening 30 of the duct portion 50, the wall body 52 more reliably hits the muddy water 40 passing through the duct portion 50. The moving speed is reduced. For this reason, it is possible to more effectively suppress the passage of the muddy water 40 and the like from the discharge opening 32 of the duct portion 50 to the rear of the vehicle.

次に、図９及び図１０を用いて、本発明に係る車両後部構造の第３実施形態について説明する。なお、前述した第１及び第２実施形態と同一構成部分については、同一番号を付してその説明を省略する。   Next, a third embodiment of the vehicle rear structure according to the present invention will be described with reference to FIGS. 9 and 10. In addition, about the same component as 1st and 2nd embodiment mentioned above, the same number is attached | subjected and the description is abbreviate | omitted.

図９及び図１０に示されるように、ダクト部７０は、車両上下方向に長い矩形状の筒状体からなり、車両幅方向内側と車両幅方向外側に対向するように配置された左右一対の縦壁２０Ａ、２０Ａと、車両上方と車両下方に対向するように配置された上下一対の横壁２０Ｂ、２０Ｃと、を備えている。   As shown in FIG. 9 and FIG. 10, the duct portion 70 is formed of a rectangular tubular body that is long in the vehicle vertical direction, and is a pair of left and right disposed so as to face the vehicle width direction inner side and the vehicle width direction outer side. Vertical walls 20A and 20A, and a pair of upper and lower horizontal walls 20B and 20C arranged to face the upper and lower sides of the vehicle are provided.

ダクト部７０には、ダクト部２０内で対向する左右一対の縦壁２０Ａ、２０Ａに架け渡された突部材の一例としての複数のピン７２が設けられている。ピン７２は、円柱状部材からなり、ダクト部７０の長手方向（車両前後方向）、すなわちダクト部７０内の空気の流れ方向に対して交差する方向に配置されている（図５等参照）。言い換えると、複数のピン７２は、ダクト部７０内の車両上下方向、車両前後方向に分散して横方向（車両幅方向）に配置されている。   The duct portion 70 is provided with a plurality of pins 72 as an example of a projecting member spanned between a pair of left and right vertical walls 20A, 20A facing each other in the duct portion 20. The pin 72 is made of a cylindrical member, and is arranged in the longitudinal direction of the duct portion 70 (the vehicle front-rear direction), that is, in a direction intersecting the air flow direction in the duct portion 70 (see FIG. 5 and the like). In other words, the plurality of pins 72 are dispersed in the vehicle vertical direction and the vehicle front-rear direction in the duct portion 70 and arranged in the lateral direction (vehicle width direction).

このような車両後部構造では、リアホイールハウス１６（図２参照）内の空気が流入開口３０からダクト部７０内に流入し、空気がダクト部７０内を通って排出開口３２からリアバンパカバー１２の後面部１２Ａ（図２参照）の後方側へ排出される。   In such a vehicle rear structure, the air in the rear wheel house 16 (see FIG. 2) flows into the duct portion 70 from the inflow opening 30, and the air passes through the duct portion 70 from the discharge opening 32 to the rear bumper cover 12. It is discharged to the rear side of the rear surface portion 12A (see FIG. 2).

ダクト部７０内では、左右一対の縦壁２０Ａ、２０Ａに複数のピン７２が車両幅方向に掛け渡されており、図９に示されるように、雨天の車両走行時などに、ダクト部７０内に通過物（質量体）としての泥水４０が入った場合に、泥水４０に複数のピン７２のいずれかが当たることで、泥水４０の移動速度が減速される。すなわち、複数のピン７２は、ダクト部７０内に入った泥水４０の移動速度を減速させる「低速化手段」として機能する。泥水４０はピン７２に付着し、又はダクト部７０の下部に落下する。これにより、ダクト部７０内を泥水４０等の通過物が直進することが妨げられ、ダクト部７０の排出開口３２から車両後方へ泥水４０等の通過物が飛散することを抑制することができる。このため、車両１０の後方に後続車が走行する場合でも、後続車の前方視界を妨げることが阻止される。   In the duct portion 70, a plurality of pins 72 are spanned across the pair of left and right vertical walls 20A, 20A in the vehicle width direction, and as shown in FIG. When the muddy water 40 as the passing material (mass body) enters the muddy water 40, any one of the plurality of pins 72 hits the muddy water 40, so that the moving speed of the muddy water 40 is reduced. That is, the plurality of pins 72 function as “slow-down means” that reduces the moving speed of the muddy water 40 that has entered the duct portion 70. The muddy water 40 adheres to the pin 72 or falls to the lower part of the duct part 70. Thereby, the passing material such as the muddy water 40 is prevented from traveling straight in the duct portion 70, and the passing material such as the muddy water 40 can be prevented from scattering from the discharge opening 32 of the duct portion 70 to the rear of the vehicle. For this reason, even when the succeeding vehicle travels behind the vehicle 10, it is prevented that the forward view of the succeeding vehicle is obstructed.

なお、第３実施形態では、円柱状部材からなるピン７２を設けたが、ピン７２の形状はこれに限定されず、楕円状、４角柱などの角材などでもよい。   In the third embodiment, the pin 72 made of a cylindrical member is provided. However, the shape of the pin 72 is not limited to this, and may be an elliptical square member such as a quadrangular prism.

なお、第１〜第３実施形態において、ダクト部内に設けた平板３４、壁体５２、ピン７２の位置や寸法等は、本発明の要旨を逸脱しない範囲で適宜に変更が可能である。また、平板３４又はピン７２の個数も変更可能である。   In the first to third embodiments, the positions and dimensions of the flat plate 34, the wall body 52, and the pin 72 provided in the duct portion can be appropriately changed without departing from the gist of the present invention. Further, the number of the flat plates 34 or the pins 72 can be changed.

また、第１、第３実施形態では、平板３４又はピン７２は、ダクト部内で対向する縦壁に架け渡されているが、例えば、ダクト部の一方の縦壁に片持ち状態で突出する平板、又はピンを設けてもよい。   Moreover, in 1st, 3rd embodiment, although the flat plate 34 or the pin 72 is spanned across the vertical wall which opposes within a duct part, the flat plate which protrudes in the cantilever state on one vertical wall of a duct part, for example Alternatively, a pin may be provided.

また、第１〜第３実施形態では、車両幅方向に沿った断面が車両上下方向に長い筒状のダクト部を設けたが、ダクト部を構成する筒状体の形状は変更可能である。   Moreover, in 1st-3rd Embodiment, although the cross section along the vehicle width direction provided the cylindrical duct part with a long vehicle vertical direction, the shape of the cylindrical body which comprises a duct part is changeable.

また、第１〜第３実施形態では、リアバンパカバー１２の側面部１２Ｂの車両幅方向内側に、筒状のダクト部を設けたが、この構成に限定されず、例えば、リアバンパカバー１２の側面部１２Ｂの内壁と車両本体を構成するパネル部材とでダクト部を形成してもよい。   Moreover, in 1st-3rd embodiment, although the cylindrical duct part was provided in the vehicle width direction inner side of the side part 12B of the rear bumper cover 12, it is not limited to this structure, For example, the side part of the rear bumper cover 12 You may form a duct part with the inner wall of 12B, and the panel member which comprises a vehicle main body.

１０ 車両
１１ 後部
１２ リアバンパカバー
１２Ａ 後面部（後部）
１６ リアホイールハウス
２０ ダクト部（空気通路部）
２０Ａ 縦壁（壁）
３２ 排出開口
３４ 平板（突部材）
４０ 泥水（通過物）
５０ ダクト部（空気通路部）
５０Ａ 縦壁（壁）
５２ 壁体（突部材）
５４Ａ 空気通路部
５４Ｂ 空気通路部
７０ ダクト部（空気通路部）
７２ ピン（突部材） 10 Vehicle 11 Rear 12 Rear Bumper Cover 12A Rear Surface (Rear)
16 Rear wheel house 20 Duct section (air passage section)
20A Vertical wall (wall)
32 Discharge opening 34 Flat plate (protruding member)
40 Muddy water (passage)
50 Duct section (air passage section)
50A vertical wall (wall)
52 Wall (projection member)
54A Air passage portion 54B Air passage portion 70 Duct portion (air passage portion)
72 pin (protruding member)

Claims (3)

リアバンパカバーの内側で、かつリアホイールハウスの車両後方側に設けられ、前記リアホイールハウス内の空気を前記リアバンパカバーの後部域に設けられた排出開口から車両後方へ排出する空気通路部と、
前記空気通路部内に設けられ、前記空気通路部内を通過する通過物に当たることで前記通過物の移動速度を減速させる低速化手段と、
を有する車両後部構造。 An air passage portion that is provided inside the rear bumper cover and on the vehicle rear side of the rear wheel house, and discharges air in the rear wheel house from the discharge opening provided in a rear region of the rear bumper cover to the vehicle rear side;
A speed reduction means for reducing the moving speed of the passing object by being provided in the air passage part and hitting a passing object passing through the air passage part;
A vehicle rear structure having: 前記低速化手段は、前記空気通路部を構成する壁から突出して設けられた突部材である請求項１に記載の車両後部構造。   The vehicle rear structure according to claim 1, wherein the speed reduction means is a protruding member provided so as to protrude from a wall constituting the air passage portion. 前記突部材は、前記空気通路部の空気の流れ方向に対して交差する方向に配置されると共に、前記空気通路部の対向する壁に架け渡されている請求項２に記載の車両後部構造。   The vehicle rear structure according to claim 2, wherein the projecting member is disposed in a direction intersecting with an air flow direction of the air passage portion, and is spanned over a wall facing the air passage portion.
JP2011163369A 2011-07-26 2011-07-26 Vehicle rear part structure Pending JP2013023199A (en)

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JP2013056583A (en) * 2011-09-07 2013-03-28 Toyota Motor Corp Vehicle rear structure
JP2013163423A (en) * 2012-02-09 2013-08-22 Toyota Motor Corp Vehicle rear structure
JP2013180653A (en) * 2012-03-01 2013-09-12 Toyota Motor Corp Vehicle rear structure
WO2014156525A1 (en) * 2013-03-27 2014-10-02 トヨタ自動車株式会社 Wheelhouse rear structure
GB2528925A (en) * 2014-08-05 2016-02-10 Jaguar Land Rover Ltd Vehicle aerodynamic apparatus
EP3257730A1 (en) * 2016-06-17 2017-12-20 Flex-N-Gate France Rear portion of a motor vehicle with conduit and associated motor vehicle
FR3057831A1 (en) * 2016-10-25 2018-04-27 Peugeot Citroen Automobiles Sa BUMPER FOR MOTOR VEHICLES HAVING AIR DUCTS AS LATERAL REINFORCEMENTS
US10179613B2 (en) 2014-08-05 2019-01-15 Jaguar Land Rover Limited Vehicle aerodynamic apparatus
WO2023185583A1 (en) * 2022-03-29 2023-10-05 武汉路特斯汽车有限公司 Air duct system for vehicle, and vehicle comprising same

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013056583A (en) * 2011-09-07 2013-03-28 Toyota Motor Corp Vehicle rear structure
JP2013163423A (en) * 2012-02-09 2013-08-22 Toyota Motor Corp Vehicle rear structure
JP2013180653A (en) * 2012-03-01 2013-09-12 Toyota Motor Corp Vehicle rear structure
US9637185B2 (en) 2013-03-27 2017-05-02 Toyota Jidosha Kabushiki Kaisha Wheel well rear portion structure
WO2014156525A1 (en) * 2013-03-27 2014-10-02 トヨタ自動車株式会社 Wheelhouse rear structure
CN105102313A (en) * 2013-03-27 2015-11-25 丰田自动车株式会社 Wheelhouse rear structure
US10227095B2 (en) 2014-08-05 2019-03-12 Jaguar Land Rover Limited Vehicle aerodynamic apparatus
GB2528925B (en) * 2014-08-05 2018-05-30 Jaguar Land Rover Ltd Vehicle aerodynamic apparatus
US10179613B2 (en) 2014-08-05 2019-01-15 Jaguar Land Rover Limited Vehicle aerodynamic apparatus
GB2528925A (en) * 2014-08-05 2016-02-10 Jaguar Land Rover Ltd Vehicle aerodynamic apparatus
EP3177511B1 (en) * 2014-08-05 2020-02-26 Jaguar Land Rover Limited Vehicle aerodynamic apparatus
EP3177509B1 (en) * 2014-08-05 2020-10-07 Jaguar Land Rover Limited Vehicle aerodynamic apparatus
EP3257730A1 (en) * 2016-06-17 2017-12-20 Flex-N-Gate France Rear portion of a motor vehicle with conduit and associated motor vehicle
FR3052738A1 (en) * 2016-06-17 2017-12-22 Faurecia Bloc Avant REAR PART OF MOTOR VEHICLE WITH CONDUIT AND VEHICLE
FR3057831A1 (en) * 2016-10-25 2018-04-27 Peugeot Citroen Automobiles Sa BUMPER FOR MOTOR VEHICLES HAVING AIR DUCTS AS LATERAL REINFORCEMENTS
WO2023185583A1 (en) * 2022-03-29 2023-10-05 武汉路特斯汽车有限公司 Air duct system for vehicle, and vehicle comprising same

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