JP6855514B2 - Saddle-riding vehicle - Google Patents

Saddle-riding vehicle Download PDF

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JP6855514B2
JP6855514B2 JP2019007237A JP2019007237A JP6855514B2 JP 6855514 B2 JP6855514 B2 JP 6855514B2 JP 2019007237 A JP2019007237 A JP 2019007237A JP 2019007237 A JP2019007237 A JP 2019007237A JP 6855514 B2 JP6855514 B2 JP 6855514B2
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wing
width direction
vehicle
vehicle width
cowl
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JP2020116979A (en
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幸紀 倉川
幸紀 倉川
田中　純
純 田中
靖洋 大橋
靖洋 大橋
聡介 三木
聡介 三木
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Honda Motor Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J17/00—Weather guards for riders; Fairings or stream-lining parts not otherwise provided for
    • B62J17/02—Weather guards for riders; Fairings or stream-lining parts not otherwise provided for shielding only the rider's front
    • B62J17/06—Leg guards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J17/00—Weather guards for riders; Fairings or stream-lining parts not otherwise provided for
    • B62J17/10—Ventilation or air guiding devices forming part of fairings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Body Structure For Vehicles (AREA)

Description

本発明は、鞍乗り型車両に関する。 The present invention relates to a saddle-riding vehicle.

従来、車体を側方から覆うカウルと、カウルの側面に設けられる翼部材とを備える鞍乗り型車両が知られている（例えば、特許文献１参照）。特許文献１のような鞍乗り型車両では、翼部材に沿うように流れる走行風によってダウンフォースを得ることができる。 Conventionally, a saddle-riding vehicle having a cowl that covers the vehicle body from the side and a wing member provided on the side surface of the cowl is known (see, for example, Patent Document 1). In a saddle-riding vehicle as in Patent Document 1, downforce can be obtained by the traveling wind flowing along the wing member.

特開平４−２０１７９２号公報Japanese Unexamined Patent Publication No. 4-201792

ところで、上記従来のように翼部材を設ける場合、翼部材が鞍乗り型車両の走行の抵抗になることがある。翼部材を小さくすると走行の抵抗は小さくなるが、得られるダウンフォースも小さくなってしまう。このため、翼部材による走行の抵抗を低減し、且つ、効率良くダウンフォースを得ることが望まれる。
本発明は、上述した事情に鑑みてなされたものであり、翼部材を備える鞍乗り型車両において、翼部材による走行の抵抗を低減し、且つ、効率良くダウンフォースを得られるようにすることを目的とする。 By the way, when the wing member is provided as in the conventional case, the wing member may become a resistance to the running of the saddle-riding vehicle. If the wing member is made smaller, the running resistance becomes smaller, but the obtained downforce also becomes smaller. Therefore, it is desired to reduce the running resistance of the wing member and efficiently obtain downforce.
The present invention has been made in view of the above circumstances, and in a saddle-riding vehicle provided with a wing member, it is intended to reduce the running resistance of the wing member and to efficiently obtain downforce. The purpose.

鞍乗り型車両は、車体を側方から覆うカウル（４０）と、前記カウル（４０）の側面に設けられる翼部材（５０）とを備える鞍乗り型車両において、前記翼部材（５０）は、前記カウル（４０）から車幅方向外側に延出する翼部（５１）を備え、前記翼部（５１）は、前記カウル（４０）の前記側面に対し車幅方向外側に延びる前縁（５１ａ）と、前記前縁（５１ａ）の後方で前記側面に対し車幅方向外側に延びる後縁（５１ｂ）とを備え、平面視において、前記前縁（５１ａ）と前記後縁（５１ｂ）との車両前後方向の距離である前記翼部（５１）の幅（Ａ）は、車幅方向の中央側から車幅方向の外側に向かうに連れて大きくなることを特徴とする。 The saddle-riding vehicle is a saddle-riding vehicle including a cowl (40) that covers the vehicle body from the side and a wing member (50) provided on the side surface of the cowl (40). A wing portion (51) extending outward in the vehicle width direction from the cowl (40) is provided, and the wing portion (51) extends outward in the vehicle width direction with respect to the side surface of the cowl (40). ) And a trailing edge (51b) extending outward in the vehicle width direction with respect to the side surface behind the front edge (51a), and the front edge (51a) and the trailing edge (51b) in a plan view. The width (A) of the wing portion (51), which is the distance in the vehicle front-rear direction, is characterized in that the width (A) increases from the center side in the vehicle width direction toward the outside in the vehicle width direction.

また、上述の構成において、前記翼部（５１）は、車両側面視で、後上がりに傾斜する傾斜部（５１ｄ）を備え、前記傾斜部（５１ｄ）の傾斜は、車幅方向の中央側から車幅方向の外側に向かうに連れて大きくなっても良い。
また、上述の構成において、前記翼部材（５０）は、前記翼部（５１）の上方で前記カウル（４０）から車幅方向外側に延出する上側翼部（５２）と、前記翼部（５１）の車幅方向外側の端部から上方に延びて前記上側翼部（５２）に接続される側壁部（５３）とを備えても良い。 Further, in the above-described configuration, the wing portion (51) includes an inclined portion (51d) that inclines rearward upward when viewed from the side of the vehicle, and the inclination of the inclined portion (51d) is from the center side in the vehicle width direction. It may become larger toward the outside in the vehicle width direction.
Further, in the above configuration, the wing member (50) includes an upper wing portion (52) extending outward from the cowl (40) in the vehicle width direction above the wing portion (51) and the wing portion (52). A side wall portion (53) extending upward from the outer end portion in the vehicle width direction of 51) and connected to the upper wing portion (52) may be provided.

さらに、上述の構成において、平面視において、前記上側翼部（５２）の車両前後方向の幅（Ｂ）は、車幅方向の中央側から車幅方向の外側に向かうに連れて大きくなっても良い。
また、上述の構成において、前記カウル（４０）は、前記鞍乗り型車両の前端部で前記車体を前方及び左右の側方から覆うフロントカウル（４１）を備え、前記フロントカウル（４１）は、平面視で、車幅方向の中央部（４１ａ）から車幅方向の外側に向かうに連れて後方に位置するように傾斜し、前記翼部材（５０）は、前記フロントカウル（４１）の前記中央部（４１ａ）の左右に一対設けられても良い。 Further, in the above configuration, in a plan view, the width (B) of the upper wing portion (52) in the vehicle front-rear direction may increase from the center side in the vehicle width direction toward the outside in the vehicle width direction. good.
Further, in the above configuration, the cowl (40) includes a front cowl (41) that covers the vehicle body from the front and left and right sides at the front end portion of the saddle-riding vehicle, and the front cowl (41) is a front cowl (41). In a plan view, the wing member (50) is inclined so as to be located rearward from the central portion (41a) in the vehicle width direction toward the outside in the vehicle width direction, and the wing member (50) is the center of the front cowl (41). A pair may be provided on the left and right sides of the portion (41a).

また、上述の構成において、前記翼部材（５０）とは異なる位置に配置される第２の翼部材（８０）が、前記カウル（４０）の前記側面に設けられても良い。
また、上述の構成において、前記第２の翼部材（８０）は、前記カウル（４０）から車幅方向外側に延出する第２の翼部（８１）と、前記第２の翼部（８１）の上方で前記カウル（４０）から車幅方向外側に延出する第２の上側翼部（８２）と、前記第２の翼部（８１）の車幅方向外側の端部から上方に延びて前記第２の上側翼部（８２）に接続される第２の側壁部（８３）とを備えても良い。 Further, in the above configuration, a second wing member (80) arranged at a position different from that of the wing member (50) may be provided on the side surface of the cowl (40).
Further, in the above configuration, the second wing member (80) includes a second wing portion (81) extending outward in the vehicle width direction from the cowl (40) and the second wing portion (81). ), The second upper wing portion (82) extending outward from the cowl (40) in the vehicle width direction, and the second wing portion (81) extending upward from the outer end portion in the vehicle width direction. A second side wall portion (83) connected to the second upper wing portion (82) may be provided.

また、上述の構成において、前記第２の翼部材（８０）は、前記翼部材（５０）よりも後方に配置されても良い。
さらに、上述の構成において、前記翼部材（５０）は、前記翼部（５１）の上方で前記カウル（４０）から車幅方向外側に延出する上側翼部（５２）と、前記翼部（５１）の車幅方向外側の端部から上方に延びて前記上側翼部（５２）に接続される側壁部（５３）とを備え、前記第２の側壁部（８３）は、前記翼部材（５０）の前記側壁部（５３）よりも車幅方向外側に位置しても良い。
また、鞍乗り型車両は、車体を側方から覆うカウル（４０）と、前記カウル（４０）の側面に設けられる翼部材（５０）とを備える鞍乗り型車両において、前記翼部材（５０）は、前記カウル（４０）から車幅方向外側に延出する翼部（５１）を備え、平面視において、前記翼部（５１）の車両前後方向の幅（Ａ）は、車幅方向の中央側から車幅方向の外側に向かうに連れて大きくなり、前記翼部材（５０）とは異なる位置に配置される第２の翼部材（８０）が、前記カウル（４０）の前記側面に設けられることを特徴とする。 Further, in the above configuration, the second wing member (80) may be arranged behind the wing member (50).
Further, in the above configuration, the wing member (50) has an upper wing portion (52) extending outward from the cowl (40) in the vehicle width direction above the wing portion (51) and the wing portion (52). The second side wall portion (83) includes a side wall portion (53) extending upward from the outer end portion in the vehicle width direction of the 51) and connected to the upper wing portion (52), and the second side wall portion (83) is the wing member ( It may be located outside the side wall portion (53) of 50) in the vehicle width direction.
Further, the saddle-riding vehicle is a saddle-riding vehicle including a cowl (40) that covers the vehicle body from the side and a wing member (50) provided on the side surface of the cowl (40). Provided a wing portion (51) extending outward in the vehicle width direction from the cowl (40), and in a plan view, the width (A) of the wing portion (51) in the vehicle front-rear direction is the center in the vehicle width direction. A second wing member (80), which increases from the side toward the outside in the vehicle width direction and is arranged at a position different from that of the wing member (50), is provided on the side surface of the cowl (40). It is characterized by that.

鞍乗り型車両は、車体を側方から覆うカウルと、カウルの側面に設けられる翼部材とを備え、翼部材は、カウルから車幅方向外側に延出する翼部を備え、平面視において、翼部の車両前後方向の幅は、車幅方向の中央側から車幅方向の外側に向かうに連れて大きくなる。
この構成によれば、翼部の車幅方向の中央側では、翼部の車両前後方向の幅が小さいため、カウルの表面の近傍で翼部に沿うように流れる走行風による抵抗を低減できる。また、車幅方向の外側に向かうに連れて翼部の車両前後方向の幅が大きくなるため、翼部の車幅方向の外側の部分では、前方側から翼部に直接的に当たる走行風を大きな面積で受けて大きなダウンフォースを得られる。このため、翼部材による走行の抵抗を低減し、且つ、翼部材によって効率良くダウンフォースを得ることができる。 The saddle-riding vehicle includes a cowl that covers the vehicle body from the side and a wing member provided on the side surface of the cowl. The wing member includes a wing portion that extends outward in the vehicle width direction from the cowl, and in a plan view, The width of the wing portion in the vehicle front-rear direction increases from the center side in the vehicle width direction toward the outside in the vehicle width direction.
According to this configuration, on the central side of the wing portion in the vehicle width direction, the width of the wing portion in the vehicle front-rear direction is small, so that the resistance due to the running wind flowing along the wing portion near the surface of the cowl can be reduced. In addition, since the width of the wing portion in the vehicle front-rear direction increases toward the outside in the vehicle width direction, the running wind that directly hits the wing portion from the front side is large in the outer portion of the wing portion in the vehicle width direction. You can get a big downforce by receiving it in the area. Therefore, the running resistance of the wing member can be reduced, and the downforce can be efficiently obtained by the wing member.

また、上述の構成において、翼部は、車両側面視で、後上がりに傾斜する傾斜部を備え、傾斜部の傾斜は、車幅方向の中央側から車幅方向の外側に向かうに連れて大きくなっても良い。
この構成によれば、翼部の車幅方向の中央側では翼部材による走行の抵抗を低減でき、翼部の車幅方向の外側の部分では、効率良くダウンフォースを得ることができる。
また、上述の構成において、翼部材は、翼部の上方でカウルから車幅方向外側に延出する上側翼部と、翼部の車幅方向外側の端部から上方に延びて上側翼部に接続される側壁部とを備えても良い。
この構成によれば、翼部の車幅方向外側の端部に沿うように流れる走行風を側壁部によってガイドして効率良くダウンフォースを得ることができる。また、上側翼部によってダウンフォースを得ることができるとともに、翼部、側壁部、及び上側翼部が接続されることで、翼部材の剛性を向上できる。 Further, in the above configuration, the wing portion includes an inclined portion that inclines upward in the rearward view from the side view of the vehicle, and the inclination of the inclined portion increases from the central side in the vehicle width direction toward the outside in the vehicle width direction. You may become.
According to this configuration, running resistance due to the wing member can be reduced on the central side of the wing portion in the vehicle width direction, and downforce can be efficiently obtained on the outer portion of the wing portion in the vehicle width direction.
Further, in the above configuration, the wing member extends upward from the upper wing portion extending outward in the vehicle width direction from the cowl above the wing portion and upward from the outer end portion in the vehicle width direction of the wing portion to the upper wing portion. It may be provided with a side wall portion to be connected.
According to this configuration, the downforce can be efficiently obtained by guiding the traveling wind flowing along the outer end portion of the wing portion in the vehicle width direction by the side wall portion. Further, downforce can be obtained by the upper wing portion, and the rigidity of the wing member can be improved by connecting the wing portion, the side wall portion, and the upper wing portion.

さらに、上述の構成において、平面視において、上側翼部の車両前後方向の幅は、車幅方向の中央側から車幅方向の外側に向かうに連れて大きくなっても良い。
この構成によれば、上側翼部の車幅方向の中央側では上側翼部による走行の抵抗を低減でき、上側翼部の車幅方向の外側の部分では、効率良くダウンフォースを得ることができる。
また、上述の構成において、カウルは、鞍乗り型車両の前端部で車体を前方及び左右の側方から覆うフロントカウルを備え、フロントカウルは、平面視で、車幅方向の中央部から車幅方向の外側に向かうに連れて後方に位置するように傾斜し、翼部材は、フロントカウルの中央部の左右に一対設けられても良い。
この構成によれば、フロントカウルの中央部の左右を後方に流れる走行風を利用し、翼部材によって効率良くダウンフォースを得ることができるとともに、翼部材による走行の抵抗を低減できる。 Further, in the above-described configuration, the width of the upper wing portion in the vehicle front-rear direction may increase from the center side in the vehicle width direction toward the outside in the vehicle width direction in a plan view.
According to this configuration, the running resistance due to the upper wing portion can be reduced on the central side of the upper wing portion in the vehicle width direction, and downforce can be efficiently obtained on the outer portion of the upper wing portion in the vehicle width direction. ..
Further, in the above configuration, the cowl includes a front cowl that covers the vehicle body from the front and left and right sides at the front end portion of the saddle-riding vehicle, and the front cowl is the vehicle width from the central portion in the vehicle width direction in a plan view. A pair of wing members may be provided on the left and right sides of the central portion of the front cowl so as to be inclined so as to be located rearward toward the outside in the direction.
According to this configuration, it is possible to efficiently obtain downforce by the wing member and reduce the running resistance by the wing member by utilizing the running wind flowing backward on the left and right of the central portion of the front cowl.

また、上述の構成において、翼部材とは異なる位置に配置される第２の翼部材が、カウルの側面に設けられても良い。
この構成によれば、翼部材とは異なる位置に配置される第２の翼部材によってダウンフォースを得ることができ、ダウンフォースを大きくできる。
また、上述の構成において、第２の翼部材は、カウルから車幅方向外側に延出する第２の翼部と、第２の翼部の上方でカウルから車幅方向外側に延出する第２の上側翼部と、第２の翼部の車幅方向外側の端部から上方に延びて第２の上側翼部に接続される第２の側壁部とを備えても良い。
この構成によれば、第２の翼部の車幅方向外側の端部に沿うように流れる走行風を第２の側壁部によってガイドして効率良くダウンフォースを得ることができる。また、第２の上側翼部によってダウンフォースを得ることができるとともに、第２の翼部、第２の側壁部、及び第２の上側翼部が接続されることで、第２の翼部材の剛性を向上できる。 Further, in the above configuration, a second wing member arranged at a position different from that of the wing member may be provided on the side surface of the cowl.
According to this configuration, the downforce can be obtained by the second wing member arranged at a position different from that of the wing member, and the downforce can be increased.
Further, in the above configuration, the second wing member has a second wing portion extending outward in the vehicle width direction from the cowl and a second wing portion extending outward from the cowl in the vehicle width direction above the second wing portion. The upper wing portion of 2 and the second side wall portion extending upward from the outer end portion of the second wing portion in the vehicle width direction and connected to the second upper wing portion may be provided.
According to this configuration, the downforce can be efficiently obtained by guiding the traveling wind flowing along the outer end portion of the second wing portion in the vehicle width direction by the second side wall portion. Further, downforce can be obtained by the second upper wing portion, and the second wing portion, the second side wall portion, and the second upper wing portion are connected by connecting the second wing member. Rigidity can be improved.

また、上述の構成において、第２の翼部材は、翼部材よりも後方に配置されても良い。
この構成によれば、翼部材の後方を流れる走行風を利用して、第２の翼部材によってダウンフォースを得ることができる。
さらに、上述の構成において、翼部材は、翼部の上方でカウルから車幅方向外側に延出する上側翼部と、翼部の車幅方向外側の端部から上方に延びて上側翼部に接続される側壁部とを備え、第２の側壁部は、翼部材の側壁部よりも車幅方向外側に位置しても良い。
この構成によれば、翼部材よりも車幅方向外側を流れる走行風を利用して、第２の翼部材によってダウンフォースを得ることができる。 Further, in the above configuration, the second wing member may be arranged behind the wing member.
According to this configuration, downforce can be obtained by the second blade member by utilizing the traveling wind flowing behind the blade member.
Further, in the above configuration, the wing member extends upward from the upper wing portion extending outward in the vehicle width direction from the cowl above the wing portion and the upper wing portion extending upward from the outer end portion in the vehicle width direction of the wing portion. The side wall portion to be connected may be provided, and the second side wall portion may be located outside the side wall portion of the wing member in the vehicle width direction.
According to this configuration, downforce can be obtained by the second wing member by utilizing the traveling wind flowing outside the wing member in the vehicle width direction.

本発明の実施の形態に係る自動二輪車の左側面図である。It is a left side view of the motorcycle which concerns on embodiment of this invention. カウルに対する翼部材及び第２の翼部材の取り付け状態を示す左側面図である。It is a left side view which shows the attachment state of the wing member and the 2nd wing member with respect to a cowl. カウルに対する翼部材及び第２の翼部材の取り付け状態を車両前方側から見た正面図である。It is a front view which looked at the attachment state of the wing member and the 2nd wing member to a cowl from the front side of a vehicle. カウルに対する翼部材及び第２の翼部材の取り付け状態を上方側から見た平面図である。It is a top view which looked at the attachment state of the wing member and the 2nd wing member with respect to a cowl from the upper side. 左側の翼部材の左側面図である。It is a left side view of the left wing member. 左側の翼部材を車両前方側から見た正面図である。It is a front view which looked at the wing member on the left side from the front side of a vehicle. 左側の翼部材を上方側から見た平面図である。It is a top view of the wing member on the left side. 図３のＶＩＩＩ−ＶＩＩＩ断面図である。FIG. 3 is a sectional view taken along line VIII-VIII of FIG.

以下、図面を参照して本発明の一実施形態について説明する。なお、説明中、前後左右および上下といった方向の記載は、特に記載がなければ車体に対する方向と同一とする。また、各図に示す符号ＦＲは車体前方を示し、符号ＵＰは車体上方を示し、符号ＬＨは車体左方を示している。 Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the explanation, the directions such as front / rear / left / right and up / down are the same as the directions with respect to the vehicle body unless otherwise specified. Further, the reference numeral FR shown in each figure indicates the front of the vehicle body, the reference numeral UP indicates the upper part of the vehicle body, and the reference numeral LH indicates the left side of the vehicle body.

図１は、本発明の実施の形態に係る自動二輪車１の左側面図である。
自動二輪車１は、車体フレーム１０にパワーユニットとしてのエンジン１１が支持され、前輪２を操舵可能に支持する操舵系１２が車体フレーム１０の前端に操舵可能に支持され、後輪３を支持するスイングアーム１３が車体フレーム１０の後部側に設けられる車両である。自動二輪車１は、乗員がシート１４に跨るようにして着座する鞍乗り型車両であり、シート１４は、車体フレーム１０の後部の上方に設けられる。 FIG. 1 is a left side view of the motorcycle 1 according to the embodiment of the present invention.
In the motorcycle 1, the body frame 10 supports the engine 11 as a power unit, and the steering system 12 that steerably supports the front wheels 2 is steerably supported by the front end of the body frame 10, and the swing arm supports the rear wheels 3. Reference numeral 13 denotes a vehicle provided on the rear side of the vehicle body frame 10. The motorcycle 1 is a saddle-riding vehicle in which an occupant sits so as to straddle the seat 14, and the seat 14 is provided above the rear portion of the vehicle body frame 10.

車体フレーム１０は、車幅の中央に位置する単一のヘッドパイプ１５と、左右一対のメインフレーム１６と、左右一対のダウンフレーム１７と、左右一対のピボットフレーム１８と、左右一対のシートフレーム（不図示）と、左右一対のガセット１９とを備える。 The body frame 10 includes a single head pipe 15 located in the center of the vehicle width, a pair of left and right main frames 16, a pair of left and right down frames 17, a pair of left and right pivot frames 18, and a pair of left and right seat frames. (Not shown) and a pair of left and right gussets 19.

ヘッドパイプ１５は、車体フレーム１０の前端に設けられ、操舵系１２を支持する。
メインフレーム１６は、ヘッドパイプ１５の上部から後下がりに後方へ延びる。
ダウンフレーム１７は、ヘッドパイプ１５の下部から後下方に延びる。
ピボットフレーム１８は、メインフレーム１６の後端部から下方に延びる。
上記シートフレームは、メインフレーム１６の後端部から後方へ延び、シート１４を支持する。
ガセット１９は、メインフレーム１６の前端部とダウンフレーム１７の前端部とを上下に連結する。ダウンフレーム１７の下端部とメインフレーム１６の後部とは、前後に延びる連結部２０によって連結される。 The head pipe 15 is provided at the front end of the vehicle body frame 10 and supports the steering system 12.
The main frame 16 extends rearward from the upper part of the head pipe 15 downward.
The down frame 17 extends rearward and downward from the lower part of the head pipe 15.
The pivot frame 18 extends downward from the rear end of the main frame 16.
The seat frame extends rearward from the rear end of the main frame 16 and supports the seat 14.
The gusset 19 connects the front end portion of the main frame 16 and the front end portion of the down frame 17 vertically. The lower end of the down frame 17 and the rear of the main frame 16 are connected by a connecting portion 20 extending in the front-rear direction.

操舵系１２は、ヘッドパイプ１５に回動自在に軸支されるステアリングシャフト（不図示）と、左右一対のフロントフォーク２１と、上記ステアリングシャフトの上端に固定されて左右のフロントフォーク２１の上部を連結するトップブリッジ２２と、上記ステアリングシャフトの下端に固定されて左右のフロントフォーク２１を連結するボトムブリッジ２３と、フロントフォーク２１の上部に固定される操向ハンドル２４とを備える。
前輪２は、左右のフロントフォーク２１の下端部間に渡される前輪車軸２ａに軸支される。 The steering system 12 has a steering shaft (not shown) rotatably supported by the head pipe 15, a pair of left and right front forks 21, and upper portions of the left and right front forks 21 fixed to the upper ends of the steering shaft. It includes a top bridge 22 to be connected, a bottom bridge 23 fixed to the lower end of the steering shaft to connect the left and right front forks 21, and a steering handle 24 fixed to the upper part of the front fork 21.
The front wheel 2 is pivotally supported by a front wheel axle 2a passed between the lower ends of the left and right front forks 21.

スイングアーム１３は、左右のピボットフレーム１８の間に渡されるピボット軸２６に前端部を軸支され、ピボット軸２６を中心に上下に揺動自在である。
駆動輪である後輪３は、スイングアーム１３の後端部に設けられる後輪車軸３ａに軸支される。
スイングアーム１３は、クッションユニット２７を介して車体に連結される。 The swing arm 13 is pivotally supported by a pivot shaft 26 passed between the left and right pivot frames 18, and is swingable up and down about the pivot shaft 26.
The rear wheels 3, which are drive wheels, are pivotally supported by a rear wheel axle 3a provided at the rear end of the swing arm 13.
The swing arm 13 is connected to the vehicle body via the cushion unit 27.

エンジン１１は、メインフレーム１６の下方でダウンフレーム１７とピボットフレーム１８との間に配置され、車体フレーム１０に支持される。
エンジン１１は、車幅方向（左右方向）に延びるクランク軸（不図示）を収容するクランクケース３０と、クランクケース３０の上部から上方に延びるシリンダー部３１とを備える。 The engine 11 is arranged below the main frame 16 between the down frame 17 and the pivot frame 18 and is supported by the vehicle body frame 10.
The engine 11 includes a crankcase 30 for accommodating a crankshaft (not shown) extending in the vehicle width direction (left-right direction), and a cylinder portion 31 extending upward from the upper part of the crankcase 30.

クランクケース３０の後部には、エンジン１１の回転を減速して出力する変速機（不図示）が内蔵される。エンジン１１の出力は、上記変速機の出力軸３２と後輪３との間に掛け渡される駆動チェーン（不図示）を介して後輪３に伝達される。 A transmission (not shown) for decelerating and outputting the rotation of the engine 11 is built in the rear part of the crankcase 30. The output of the engine 11 is transmitted to the rear wheels 3 via a drive chain (not shown) spanned between the output shaft 32 of the transmission and the rear wheels 3.

エンジン１１の排気管３３は、シリンダー部３１の前面の排気ポートから下方に引き出され、クランクケース３０の下方を通って後方に延びる。
エンジン１１の吸気系のエアクリーナーボックス３５は、エンジン１１の上方で左右のメインフレーム１６の間に配置される。
エアクリーナーボックス３５で清浄化された吸気は、吸気通路（不図示）を通ってシリンダー部３１の吸気ポートに流れる。
燃料タンク３７は、メインフレーム１６の後部の上方に配置され、車両前後方向では、シート１４とエアクリーナーボックス３５との間に配置される。 The exhaust pipe 33 of the engine 11 is pulled downward from the exhaust port on the front surface of the cylinder portion 31, passes under the crankcase 30, and extends rearward.
The intake system air cleaner box 35 of the engine 11 is arranged above the engine 11 between the left and right main frames 16.
The intake air cleaned by the air cleaner box 35 flows to the intake port of the cylinder portion 31 through an intake passage (not shown).
The fuel tank 37 is arranged above the rear portion of the main frame 16 and is arranged between the seat 14 and the air cleaner box 35 in the vehicle front-rear direction.

自動二輪車１は、車体フレーム１０及びエンジン１１等の車体を覆う車体外装部品としてカウル４０を備える。
カウル４０は、自動二輪車１の前端部で車体を前方及び左右の側方から覆うフロントカウル４１と、車体フレーム１０の前部及びエンジン１１を左右の側方から覆う左右一対のサイドカウル４２と、エンジン１１及び車体フレーム１０を下方から覆うアンダーカウル４３と、エアクリーナーボックス３５を上方から覆うカバー４４と、車体の後部を覆うリアカウル４５とを備える。
フロントフェンダー４７は、フロントフォーク２１に支持される。 The motorcycle 1 includes a cowl 40 as a vehicle body exterior component that covers a vehicle body such as a vehicle body frame 10 and an engine 11.
The cowl 40 includes a front cowl 41 that covers the vehicle body from the front and left and right sides at the front end of the motorcycle 1, and a pair of left and right side cowls 42 that cover the front portion of the vehicle body frame 10 and the engine 11 from the left and right sides. It includes an under cowl 43 that covers the engine 11 and the vehicle body frame 10 from below, a cover 44 that covers the air cleaner box 35 from above, and a rear cowl 45 that covers the rear portion of the vehicle body.
The front fender 47 is supported by the front fork 21.

フロントカウル４１の前面には、車両前方に開口する吸気ダクト４８が設けられる。吸気ダクト４８は、フロントカウル４１の内側を後方に延びてエアクリーナーボックス３５に接続される。外気は吸気ダクト４８に取り込まれ、吸気ダクト４８を通ってエアクリーナーボックス３５に供給される。
フロントカウル４１とヘッドパイプ１５との間には、車速等の情報を表示するメーター４９が配置される。
フロントカウル４１は、車体を構成する操舵系１２及びヘッドパイプ１５を前方側から覆う。また、フロントカウル４１は、ヘッドパイプ１５の前方に設けられるメーター４９等の電装品、吸気ダクト４８、及び部品のステー等を左右の側方から覆う。メーター４９等の電装品、吸気ダクト４８、及び部品のステー等は車体を構成する。 An intake duct 48 that opens to the front of the vehicle is provided on the front surface of the front cowl 41. The intake duct 48 extends rearwardly inside the front cowl 41 and is connected to the air cleaner box 35. The outside air is taken into the intake duct 48 and supplied to the air cleaner box 35 through the intake duct 48.
A meter 49 for displaying information such as vehicle speed is arranged between the front cowl 41 and the head pipe 15.
The front cowl 41 covers the steering system 12 and the head pipe 15 constituting the vehicle body from the front side. Further, the front cowl 41 covers electrical components such as a meter 49 provided in front of the head pipe 15, an intake duct 48, and stays of parts from the left and right sides. Electrical components such as the meter 49, the intake duct 48, and the stays of the parts constitute the vehicle body.

自動二輪車１は、カウル４０の左右の側面に設けられる翼部材５０及び第２の翼部材８０を備える。
翼部材５０は、フロントカウル４１の側面に取り付けられる。第２の翼部材８０は、サイドカウル４２の側面に取り付けられる。 The motorcycle 1 includes a wing member 50 and a second wing member 80 provided on the left and right side surfaces of the cowl 40.
The wing member 50 is attached to the side surface of the front cowl 41. The second wing member 80 is attached to the side surface of the side cowl 42.

図２は、カウル４０に対する翼部材５０及び第２の翼部材８０の取り付け状態を示す左側面図である。図３は、カウル４０に対する翼部材５０及び第２の翼部材８０の取り付け状態を車両前方側から見た正面図である。図４は、カウル４０に対する翼部材５０及び第２の翼部材８０の取り付け状態を上方側から見た平面図である。図４では、自動二輪車１の左側の部分のみが図示される。
図１〜図４を参照し、フロントカウル４１は、車両側面視で後上がりに傾斜する板状部材である。
また、フロントカウル４１は、平面視で、車幅方向の中央部４１ａが上下方向の略全体に亘って前端部となるように湾曲する板状部材である。すなわち、フロントカウル４１は、平面視で、フロントカウル４１の前端部となる中央部４１ａから車幅方向の外側に向かうに連れて後方に位置するように傾斜する。
フロントカウル４１は、吸気ダクト４８の前端を前方に露出させる開口４１ｂを中央部４１ａの下端部に備える。
フロントカウル４１の後縁４１ｃは、サイドカウル４２の前縁に連続する。 FIG. 2 is a left side view showing a state in which the wing member 50 and the second wing member 80 are attached to the cowl 40. FIG. 3 is a front view of the mounted state of the wing member 50 and the second wing member 80 with respect to the cowl 40 as viewed from the front side of the vehicle. FIG. 4 is a plan view of the wing member 50 and the second wing member 80 attached to the cowl 40 as viewed from above. In FIG. 4, only the left side portion of the motorcycle 1 is illustrated.
With reference to FIGS. 1 to 4, the front cowl 41 is a plate-shaped member that inclines rearward when viewed from the side of the vehicle.
Further, the front cowl 41 is a plate-shaped member that is curved so that the central portion 41a in the vehicle width direction becomes the front end portion over substantially the entire vertical direction in a plan view. That is, the front cowl 41 is inclined so as to be located rearward from the central portion 41a, which is the front end portion of the front cowl 41, toward the outside in the vehicle width direction in a plan view.
The front cowl 41 includes an opening 41b at the lower end of the central portion 41a that exposes the front end of the intake duct 48 to the front.
The trailing edge 41c of the front cowl 41 is continuous with the front edge of the side cowl 42.

フロントカウル４１は、フロントカウル４１の車幅方向の中心４１ｄを基準に、左右に略対称に形成される。中心４１ｄは、カウル４０の車幅方向の中心に一致する。左右のサイドカウル４２も、中心４１ｄを基準に左右に略対称に形成される。
翼部材５０は、フロントカウル４１の中心４１ｄを基準に、左右に一対設けられる。左右の翼部材５０は、左右略対称に形成される。
詳細には、翼部材５０は、フロントカウル４１の開口４１ｂの左右に一対設けられる。翼部材５０は、フロントカウル４１の前端部よりも後方に配置される。車両の上下方向では、開口４１ｂの位置と翼部材５０の位置とは重なる。 The front cowl 41 is formed substantially symmetrically to the left and right with respect to the center 41d of the front cowl 41 in the vehicle width direction. The center 41d coincides with the center of the cowl 40 in the vehicle width direction. The left and right side cowls 42 are also formed substantially symmetrically to the left and right with respect to the center 41d.
A pair of wing members 50 are provided on the left and right sides with reference to the center 41d of the front cowl 41. The left and right wing members 50 are formed substantially symmetrically.
Specifically, a pair of wing members 50 are provided on the left and right sides of the opening 41b of the front cowl 41. The wing member 50 is arranged behind the front end portion of the front cowl 41. In the vertical direction of the vehicle, the position of the opening 41b and the position of the wing member 50 overlap.

第２の翼部材８０は、中心４１ｄを基準に、左右に一対設けられる。左右の第２の翼部材８０は、左右略対称に形成される。
第２の翼部材８０は、カウル４０上において翼部材５０とは異なる位置に配置される。第２の翼部材８０は、翼部材５０に対し、後方且つ下方に設けられる。 A pair of second wing members 80 are provided on the left and right sides with reference to the center 41d. The left and right second wing members 80 are formed substantially symmetrically.
The second wing member 80 is arranged on the cowl 40 at a position different from that of the wing member 50. The second wing member 80 is provided rearward and below the wing member 50.

図５は、左側の翼部材５０の左側面図である。図６は、左側の翼部材５０を車両前方側から見た正面図である。図７は、左側の翼部材５０を上方側から見た平面図である。左右の翼部材５０は、左右で略対称に形成されるため、ここでは、左側の翼部材５０について詳細に説明し、右側の翼部材５０の詳細な説明は省略する。 FIG. 5 is a left side view of the left wing member 50. FIG. 6 is a front view of the left wing member 50 as viewed from the front side of the vehicle. FIG. 7 is a plan view of the left wing member 50 as viewed from above. Since the left and right wing members 50 are formed substantially symmetrically on the left and right, the left wing member 50 will be described in detail here, and the detailed description of the right wing member 50 will be omitted.

図２〜図７を参照し、翼部材５０は、フロントカウル４１の側面から車幅方向外側に延出する翼部５１と、翼部５１の上方でフロントカウル４１の側面から車幅方向外側に延出する上側翼部５２と、翼部５１の車幅方向外側の端部から上方に延びて上側翼部５２に接続される側壁部５３とを備える。
また、翼部材５０は、翼部５１の基端部に設けられてフロントカウル４１の側面に取り付けられる取付部５４と、上側翼部５２の基端部に設けられてフロントカウル４１の側面に取り付けられる上側取付部５５とを備える。 With reference to FIGS. 2 to 7, the wing member 50 has a wing portion 51 extending outward in the vehicle width direction from the side surface of the front cowl 41, and a wing portion 51 above the wing portion 51 from the side surface of the front cowl 41 to the outside in the vehicle width direction. The upper wing portion 52 that extends and the side wall portion 53 that extends upward from the outer end portion of the wing portion 51 in the vehicle width direction and is connected to the upper wing portion 52 are provided.
Further, the wing member 50 is attached to the side surface of the front cowl 41 provided at the base end portion of the wing portion 51 and attached to the side surface of the front cowl 41 and the attachment portion 54 provided at the base end portion of the upper wing portion 52. It is provided with an upper mounting portion 55 to be mounted.

取付部５４及び上側取付部５５は、フロントカウル４１の側面に沿うように形成される板状部である。取付部５４には、取付孔５４ａが複数設けられる。上側取付部５５には、取付孔５５ａが複数設けられる。
翼部材５０は、各取付孔５４ａに挿通される固定具５４ｂ（図３）と、各取付孔５５ａに挿通される固定具５５ｂ（図３）とによって、フロントカウル４１の側面に締結される。
詳細には、取付部５４は、フロントカウル４１において開口４１ｂの側縁よりも車幅方向内側且つ開口４１ｂの下方の部分に取り付けられる。
上側取付部５５は、フロントカウル４１において開口４１ｂの側縁に対し車幅方向外側の部分に取り付けられ、取付部５４の後上方に位置する。 The mounting portion 54 and the upper mounting portion 55 are plate-shaped portions formed along the side surface of the front cowl 41. The mounting portion 54 is provided with a plurality of mounting holes 54a. A plurality of mounting holes 55a are provided in the upper mounting portion 55.
The wing member 50 is fastened to the side surface of the front cowl 41 by a fixture 54b (FIG. 3) inserted into each mounting hole 54a and a fixture 55b (FIG. 3) inserted into each mounting hole 55a.
Specifically, the mounting portion 54 is mounted on the front cowl 41 at a portion inside the side edge of the opening 41b in the vehicle width direction and below the opening 41b.
The upper mounting portion 55 is mounted on the front cowl 41 at a portion outside the vehicle width direction with respect to the side edge of the opening 41b, and is located rearward and upward of the mounting portion 54.

翼部５１は、取付部５４から車幅方向外側に延出する板状部であり、板厚方向を上下方向に指向させて配置される。
翼部５１は、平面視では、車幅方向の中央側から車幅方向外側に向かうに連れて後方に位置するように湾曲する。
平面視において、翼部５１の車両前後方向の幅Ａは、車幅方向の中央側から車幅方向の外側に向かうに連れて徐々に大きくなる。すなわち、幅Ａは、取付部５４から側壁部５３に向かうに連れて徐々に大きくなる。翼部５１の基端部における車両前後方向の幅Ａ１よりも、翼部５１の車幅方向外側の端部における車両前後方向の幅Ａ２は、大きい。 The wing portion 51 is a plate-shaped portion extending outward in the vehicle width direction from the mounting portion 54, and is arranged so that the plate thickness direction is directed in the vertical direction.
In a plan view, the wing portion 51 is curved so as to be located rearward from the center side in the vehicle width direction toward the outside in the vehicle width direction.
In a plan view, the width A of the wing portion 51 in the vehicle front-rear direction gradually increases from the center side in the vehicle width direction toward the outside in the vehicle width direction. That is, the width A gradually increases from the mounting portion 54 toward the side wall portion 53. The width A2 in the vehicle front-rear direction at the outer end of the wing 51 in the vehicle width direction is larger than the width A1 in the vehicle front-rear direction at the base end of the wing 51.

平面視では、翼部５１の前縁５１ａは、車幅方向の中央側から車幅方向外側に向かうに連れて後方に位置するように湾曲する。
翼部５１は、平面視において、翼部５１の前縁５１ａと翼部５１の後縁５１ｂとの距離が、車幅方向の中央側から車幅方向外側に向かうに連れて大きくなるように形成される。 In a plan view, the front edge 51a of the wing portion 51 is curved so as to be located rearward from the center side in the vehicle width direction toward the outside in the vehicle width direction.
The wing portion 51 is formed so that the distance between the front edge 51a of the wing portion 51 and the trailing edge 51b of the wing portion 51 increases from the central side in the vehicle width direction toward the outside in the vehicle width direction in a plan view. Will be done.

翼部５１は、翼部５１の上面が車両側面視で後下がりの姿勢となる内側傾斜部５１ｃと、翼部５１の上面が車両側面視で後上がりの姿勢となる外側傾斜部５１ｄ（傾斜部）とを備える。
内側傾斜部５１ｃは、翼部５１の基端部側に設けられる。外側傾斜部５１ｄは、内側傾斜部５１ｃと側壁部５３との間に設けられ、内側傾斜部５１ｃに対し車幅方向外側に配置される。 The wing portion 51 has an inner inclined portion 51c in which the upper surface of the wing portion 51 is in a rearward downward posture when viewed from the vehicle side, and an outer inclined portion 51d (inclined portion) in which the upper surface of the wing 51 is in a rearward upward posture when viewed from the vehicle side. ) And.
The inner inclined portion 51c is provided on the base end portion side of the wing portion 51. The outer inclined portion 51d is provided between the inner inclined portion 51c and the side wall portion 53, and is arranged outside in the vehicle width direction with respect to the inner inclined portion 51c.

内側傾斜部５１ｃの後下がりの傾斜は、翼部５１の基端部側から車幅方向外側に向かうに連れて水平に近くなるように小さくなる。
外側傾斜部５１ｄの車幅方向の内端は、内側傾斜部５１ｃの車幅方向の外端に接続される。外側傾斜部５１ｄの車幅方向の内端と内側傾斜部５１ｃの車幅方向の外端との接続部では、側面視における翼部５１の傾斜は、略水平となる。
外側傾斜部５１ｄの後上がりの傾斜は、外側傾斜部５１ｄの車幅方向の内端から車幅方向外側に向かうに連れて徐々に大きくなる。
図６に示すように、正面視では、翼部５１の前縁５１ａは、車幅方向の中央側から車幅方向外側に向かうに連れて下方に位置するように傾斜する。
また、正面視において、翼部５１の前縁５１ａは、内側傾斜部５１ｃでは後縁５１ｂよりも上方に位置し、外側傾斜部５１ｄでは後縁５１ｂよりも下方に位置する。
すなわち、翼部５１は、車幅方向に延びる板部材を、翼部５１の長手方向を中心にねじるようにして形成される。 The rearward downward inclination of the inner inclined portion 51c becomes smaller so as to become closer to horizontal from the base end side of the wing portion 51 toward the outer side in the vehicle width direction.
The inner end of the outer inclined portion 51d in the vehicle width direction is connected to the outer end of the inner inclined portion 51c in the vehicle width direction. At the connection between the inner end of the outer inclined portion 51d in the vehicle width direction and the outer end of the inner inclined portion 51c in the vehicle width direction, the inclination of the wing portion 51 in the side view is substantially horizontal.
The rearward inclination of the outer inclined portion 51d gradually increases from the inner end of the outer inclined portion 51d in the vehicle width direction toward the outside in the vehicle width direction.
As shown in FIG. 6, in the front view, the front edge 51a of the wing portion 51 is inclined so as to be located downward from the center side in the vehicle width direction toward the outside in the vehicle width direction.
Further, in front view, the front edge 51a of the wing portion 51 is located above the trailing edge 51b at the inner inclined portion 51c and below the trailing edge 51b at the outer inclined portion 51d.
That is, the wing portion 51 is formed by twisting a plate member extending in the vehicle width direction about the longitudinal direction of the wing portion 51.

上側翼部５２は、上側取付部５５から車幅方向外側に延出する板状部であり、板厚方向を上下方向に指向させて配置される。
上側翼部５２は、翼部５１の上方を略水平に車幅方向外側に延び、平面視では、上側翼部５２の略全体が翼部５１の前部側の部分に上方から重なる。上側翼部５２の基端部は、翼部５１の基端部よりも車幅方向外側に位置する。上側翼部５２は、翼部５１と同等の位置まで車幅方向外側に延びる。 The upper wing portion 52 is a plate-shaped portion extending outward in the vehicle width direction from the upper mounting portion 55, and is arranged so that the plate thickness direction is directed in the vertical direction.
The upper wing portion 52 extends substantially horizontally outward in the vehicle width direction above the wing portion 51, and in a plan view, substantially the entire upper wing portion 52 overlaps the front portion side portion of the wing portion 51 from above. The base end portion of the upper wing portion 52 is located outside the base end portion of the wing portion 51 in the vehicle width direction. The upper wing portion 52 extends outward in the vehicle width direction to a position equivalent to that of the wing portion 51.

平面視において、上側翼部５２の車両前後方向の幅Ｂは、車幅方向の中央側から車幅方向の外側に向かうに連れて徐々に大きくなる。すなわち、幅Ｂは、上側取付部５５から側壁部５３に向かうに連れて徐々に大きくなる。上側翼部５２の基端部における車両前後方向の幅Ｂ１よりも、上側翼部５２の車幅方向外側の端部における車両前後方向の幅Ｂ２は、大きい。
ここで、翼部５１の幅Ａは、全体的に、上側翼部５２の幅Ｂよりも大きい。翼部５１の幅Ａ１は、上側翼部５２の幅Ｂ１よりも大きい。翼部５１の幅Ａ２は、上側翼部５２の幅Ｂ２よりも大きい。 In a plan view, the width B of the upper wing portion 52 in the vehicle front-rear direction gradually increases from the center side in the vehicle width direction toward the outside in the vehicle width direction. That is, the width B gradually increases from the upper mounting portion 55 toward the side wall portion 53. The width B2 in the vehicle front-rear direction at the outer end of the upper wing 52 in the vehicle width direction is larger than the width B1 in the vehicle front-rear direction at the base end of the upper wing 52.
Here, the width A of the wing portion 51 is generally larger than the width B of the upper wing portion 52. The width A1 of the wing portion 51 is larger than the width B1 of the upper wing portion 52. The width A2 of the wing portion 51 is larger than the width B2 of the upper wing portion 52.

平面視では、上側翼部５２の前縁５２ａは、車幅方向の中央側から車幅方向外側に向かうに連れて後方に位置するように湾曲する。
上側翼部５２は、平面視において、上側翼部５２の前縁５２ａと上側翼部５２の後縁５２ｂとの距離が、車幅方向の中央側から車幅方向外側に向かうに連れて大きくなるように形成される。
上側翼部５２の前縁５２ａは、翼部５１の前縁５１ａよりも後方に位置する。上側翼部５２の後縁５２ｂは、翼部５１の後縁５１ｂよりも前方に位置する。 In a plan view, the front edge 52a of the upper wing portion 52 is curved so as to be located rearward from the central side in the vehicle width direction toward the outside in the vehicle width direction.
In the plan view of the upper wing portion 52, the distance between the front edge 52a of the upper wing portion 52 and the trailing edge 52b of the upper wing portion 52 increases from the central side in the vehicle width direction toward the outside in the vehicle width direction. Is formed like this.
The front edge 52a of the upper wing portion 52 is located behind the front edge 51a of the wing portion 51. The trailing edge 52b of the upper wing 52 is located in front of the trailing edge 51b of the wing 51.

上側翼部５２は、上側翼部５２の上面が車両側面視で後上がりの姿勢となる上側傾斜部５２ｃを備える。上側傾斜部５２ｃは、上側翼部５２の全長に亘って設けられる。
上側傾斜部５２ｃの後上がりの傾斜は、上側傾斜部５２ｃの基端部側から車幅方向外側に向かうに連れて徐々に大きくなる。
図６に示すように、正面視では、上側翼部５２の後縁５２ｂは、上側傾斜部５２ｃの前縁５２ａよりも上方に位置する。 The upper wing portion 52 includes an upper inclined portion 52c in which the upper surface of the upper wing portion 52 is in a rearwardly raised posture when viewed from the side of the vehicle. The upper inclined portion 52c is provided over the entire length of the upper wing portion 52.
The rearward inclination of the upper inclined portion 52c gradually increases from the base end side of the upper inclined portion 52c toward the outside in the vehicle width direction.
As shown in FIG. 6, in front view, the trailing edge 52b of the upper wing portion 52 is located above the front edge 52a of the upper inclined portion 52c.

側壁部５３は、上下に延在する板状部であり、板厚方向を車幅方向に指向させて配置される。
側壁部５３は、翼部５１の車幅方向外側の端部から上方に延びて上側翼部５２の車幅方向外側の端部に接続される。
側壁部５３の下端部は、翼部５１の車幅方向外側の端部における前後方向の全体に亘って接続される。側壁部５３の上端部は、上側翼部５２の車幅方向外側の端部における前後方向の全体に亘って接続される。車両側面視では、側壁部５３の下部は、側壁部５３の上部よりも前後方向の幅が大きい。 The side wall portion 53 is a plate-shaped portion extending vertically, and is arranged so that the plate thickness direction is directed in the vehicle width direction.
The side wall portion 53 extends upward from the outer end portion of the wing portion 51 in the vehicle width direction and is connected to the outer end portion of the upper wing portion 52 in the vehicle width direction.
The lower end portion of the side wall portion 53 is connected over the entire front-rear direction at the outer end portion of the wing portion 51 in the vehicle width direction. The upper end portion of the side wall portion 53 is connected over the entire front-rear direction at the outer end portion of the upper wing portion 52 in the vehicle width direction. When viewed from the side of the vehicle, the lower portion of the side wall portion 53 is wider in the front-rear direction than the upper portion of the side wall portion 53.

側壁部５３は、側壁部５３の前縁５３ａから後方に向かうに連れて車幅方向外側に位置するように傾斜する。側壁部５３の後縁５３ｂは、正面視では、前縁５３ａよりも車幅方向外側に位置する。
側壁部５３の前縁５３ａは、側面視及び正面視において、略鉛直に延びて翼部５１の前縁５１ａの外端と上側翼部５２の前縁５２ａの外端とを接続する。
側壁部５３の後縁５３ｂは、上側翼部５２の後縁５２ｂの外端から下方に延びた後、屈曲して後方に延び、翼部５１の後縁５１ｂの外端に接続される。 The side wall portion 53 is inclined so as to be located outward in the vehicle width direction from the front edge 53a of the side wall portion 53 toward the rear. The trailing edge 53b of the side wall portion 53 is located outside the front edge 53a in the vehicle width direction when viewed from the front.
The front edge 53a of the side wall portion 53 extends substantially vertically to connect the outer end of the front edge 51a of the wing portion 51 and the outer end of the front edge 52a of the upper wing portion 52 in side view and front view.
The trailing edge 53b of the side wall 53 extends downward from the outer edge of the trailing edge 52b of the upper wing 52, then bends and extends rearward and is connected to the outer edge of the trailing edge 51b of the wing 51.

図６に示すように、正面視では、翼部５１の前縁５１ａと上側翼部５２の前縁５２ａとの間の上下の距離Ｈは、車幅方向の中央側から車幅方向外側に向かうに連れて大きくなる。
また、図５に示すように、車両側面視では、上側翼部５２は、翼部５１の前後方向の全長Ｌ内に収まる。 As shown in FIG. 6, in the front view, the vertical distance H between the front edge 51a of the wing portion 51 and the front edge 52a of the upper wing portion 52 goes from the center side in the vehicle width direction to the outside in the vehicle width direction. It grows larger with.
Further, as shown in FIG. 5, when viewed from the side of the vehicle, the upper wing portion 52 fits within the total length L of the wing portion 51 in the front-rear direction.

図８は、図３のＶＩＩＩ−ＶＩＩＩ断面図である。図８では後述の固定具８４ｂは不図示である。
左右の第２の翼部材８０は、左右で略対称に形成されるため、ここでは、左側の第２の翼部材８０について詳細に説明し、右側の第２の翼部材８０の詳細な説明は省略する。
図２〜図４、及び図８を参照し、第２の翼部材８０は、車両側面視で、サイドカウル４２の後下がりの下縁４２ａに沿うように配置される。 FIG. 8 is a sectional view taken along line VIII-VIII of FIG. In FIG. 8, the fixture 84b described later is not shown.
Since the left and right second wing members 80 are formed substantially symmetrically on the left and right, the second wing member 80 on the left side will be described in detail here, and the second wing member 80 on the right side will be described in detail. Omit.
With reference to FIGS. 2 to 4 and 8, the second wing member 80 is arranged along the lower rear edge 42a of the side cowl 42 in a vehicle side view.

第２の翼部材８０は、サイドカウル４２の側面から車幅方向外側に延出する第２の翼部８１と、第２の翼部８１の前側上方でサイドカウル４２の側面から車幅方向外側に延出する第２の上側翼部８２と、第２の翼部８１の車幅方向外側の端部から上方に延びて第２の上側翼部８２に接続される第２の側壁部８３とを備える。
また、第２の翼部材８０は、第２の翼部８１の基端部に設けられてサイドカウル４２の側面に取り付けられる第２の取付部８４と、第２の上側翼部８２の基端部に設けられてサイドカウル４２の側面に取り付けられる第２の上側取付部８５とを備える。 The second wing member 80 has a second wing portion 81 extending outward in the vehicle width direction from the side surface of the side cowl 42, and an outer side in the vehicle width direction from the side surface of the side cowl 42 above the front side of the second wing portion 81. A second upper wing portion 82 extending in the direction of the vehicle, and a second side wall portion 83 extending upward from the outer end portion of the second wing portion 81 in the vehicle width direction and connected to the second upper wing portion 82. To be equipped.
Further, the second wing member 80 includes a second mounting portion 84 provided at the base end portion of the second wing portion 81 and mounted on the side surface of the side cowl 42, and a base end of the second upper wing portion 82. A second upper mounting portion 85 provided on the portion and mounted on the side surface of the side cowl 42 is provided.

第２の取付部８４及び第２の上側取付部８５は、サイドカウル４２の側面に沿うように形成される板状部である。第２の取付部８４には、取付孔８４ａが複数設けられる。第２の上側取付部８５には、取付孔８５ａが複数設けられる。
第２の翼部材８０は、各取付孔８４ａに挿通される固定具８４ｂ（図３）と、各取付孔８５ａに挿通される固定具８５ｂ（図３）とによって、サイドカウル４２の側面に締結される。
詳細には、第２の取付部８４は、第２の上側取付部８５の後下方に配置される。 The second mounting portion 84 and the second upper mounting portion 85 are plate-shaped portions formed along the side surface of the side cowl 42. The second mounting portion 84 is provided with a plurality of mounting holes 84a. A plurality of mounting holes 85a are provided in the second upper mounting portion 85.
The second wing member 80 is fastened to the side surface of the side cowl 42 by a fixture 84b (FIG. 3) inserted into each mounting hole 84a and a fixture 85b (FIG. 3) inserted into each mounting hole 85a. Will be done.
Specifically, the second mounting portion 84 is located rear and lower of the second upper mounting portion 85.

第２の翼部８１は、第２の取付部８４から車幅方向外側に延出する板状部であり、板厚方向を上下方向に指向させて配置される。第２の翼部８１は、平面視では、車幅方向外側へ略真っ直ぐに延びる。
平面視において、第２の翼部８１の車両前後方向の幅は、第２の翼部８１の全長に亘って略同一である。
図８に示すように、第２の翼部８１の上面は、車両側面視では後上がりに傾斜する。 The second wing portion 81 is a plate-shaped portion extending outward in the vehicle width direction from the second mounting portion 84, and is arranged so that the plate thickness direction is directed in the vertical direction. The second wing portion 81 extends substantially straight to the outside in the vehicle width direction in a plan view.
In a plan view, the width of the second wing portion 81 in the vehicle front-rear direction is substantially the same over the entire length of the second wing portion 81.
As shown in FIG. 8, the upper surface of the second wing portion 81 is inclined rearward when viewed from the side of the vehicle.

第２の上側翼部８２は、第２の上側取付部８５から車幅方向外側に延出する板状部であり、板厚方向を上下方向に指向させて配置される。第２の上側翼部８２は、平面視では、第２の翼部８１と略平行に、第２の翼部８１と同等の位置まで車幅方向外側へ略真っ直ぐに延びる。
平面視において、第２の上側翼部８２の車両前後方向の幅は、第２の上側翼部８２の全長に亘って略同一である。
図８に示すように、第２の上側翼部８２の上面は、車両側面視では後上がりに傾斜する。 The second upper wing portion 82 is a plate-shaped portion extending outward in the vehicle width direction from the second upper mounting portion 85, and is arranged so that the plate thickness direction is directed in the vertical direction. In a plan view, the second upper wing portion 82 extends substantially parallel to the second wing portion 81 and substantially straight outward in the vehicle width direction to a position equivalent to that of the second wing portion 81.
In a plan view, the width of the second upper wing portion 82 in the vehicle front-rear direction is substantially the same over the entire length of the second upper wing portion 82.
As shown in FIG. 8, the upper surface of the second upper wing portion 82 is inclined rearward when viewed from the side of the vehicle.

第２の側壁部８３は、上下に延在する板状部であり、板厚方向を車幅方向に指向させて配置される。
第２の側壁部８３は、第２の翼部８１の車幅方向外側の端部から前上方に延びて第２の上側翼部８２の車幅方向外側の端部に接続される。
第２の側壁部８３は、第２の側壁部８３の前縁８３ａから後方に向かうに連れて車幅方向外側に位置するように傾斜する。第２の側壁部８３の後縁８３ｂは、正面視では、前縁８３ａよりも車幅方向外側に位置する。 The second side wall portion 83 is a plate-shaped portion extending vertically, and is arranged so that the plate thickness direction is directed to the vehicle width direction.
The second side wall portion 83 extends forward and upward from the outer end portion of the second wing portion 81 in the vehicle width direction and is connected to the outer end portion of the second upper wing portion 82 in the vehicle width direction.
The second side wall portion 83 is inclined so as to be located outward in the vehicle width direction from the front edge 83a of the second side wall portion 83 toward the rear. The trailing edge 83b of the second side wall portion 83 is located outside the front edge 83a in the vehicle width direction in the front view.

図２及び図３を参照し、第２の翼部材８０は、翼部材５０に対し上下方向に隙間が空くように、翼部材５０に対し下方にオフセットして配置される。
図３に示すように、正面視では、第２の翼部材８０の第２の側壁部８３の前縁８３ａは、翼部材５０の側壁部５３の前縁５３ａに対し、距離Ｇだけ車幅方向外側にオフセットして配置される。 With reference to FIGS. 2 and 3, the second wing member 80 is arranged offset downward with respect to the wing member 50 so as to have a vertical gap with respect to the wing member 50.
As shown in FIG. 3, when viewed from the front, the front edge 83a of the second side wall portion 83 of the second wing member 80 is in the vehicle width direction by a distance G with respect to the front edge 53a of the side wall portion 53 of the wing member 50. It is placed offset to the outside.

図２及び図５を参照し、前方からの走行風Ｗが翼部材５０の翼部５１と上側翼部５２との間、上側翼部５２の上方、及び翼部５１の下方を通って後方に流れることで、自動二輪車１を下方に押し付けるダウンフォースが発生する。
翼部材５０の車幅方向の中央側では、フロントカウル４１の側面に沿って流れる走行風Ｗが翼部５１に沿って流れることでダウンフォースが得られるが、ここでダウンフォースを大きくしようとすると、翼部５１がフロントカウル４１の側面に沿う走行風の抵抗となり、走行の抵抗が大きくなり易い。
本実施の形態では、車幅方向の中央側では、翼部５１の車両前後方向の幅Ａが小さいため、翼部５１がフロントカウル４１の側面に沿って流れる走行風Ｗの抵抗になることを抑制でき、走行の抵抗を小さくできる。また、車幅方向の外側に向かうに連れて翼部５１の車両前後方向の幅Ａが大きくなるため、翼部５１の車幅方向の外側の部分では、前方側から翼部５１に直接的に当たる走行風Ｗを大きな面積で受けて大きなダウンフォースを得られる。 With reference to FIGS. 2 and 5, the traveling wind W from the front passes between the wing portion 51 and the upper wing portion 52 of the wing member 50, above the upper wing portion 52, and below the wing portion 51 to the rear. By flowing, a downforce that pushes the motorcycle 1 downward is generated.
On the central side of the wing member 50 in the vehicle width direction, a downforce is obtained by the traveling wind W flowing along the side surface of the front cowl 41 flowing along the wing portion 51, but if an attempt is made to increase the downforce here. , The wing portion 51 becomes the resistance of the running wind along the side surface of the front cowl 41, and the running resistance tends to increase.
In the present embodiment, since the width A of the wing portion 51 in the vehicle front-rear direction is small on the center side in the vehicle width direction, the wing portion 51 becomes a resistance of the traveling wind W flowing along the side surface of the front cowl 41. It can be suppressed and the running resistance can be reduced. Further, since the width A of the wing portion 51 in the vehicle front-rear direction increases toward the outside in the vehicle width direction, the outer portion of the wing portion 51 in the vehicle width direction directly hits the wing portion 51 from the front side. A large downforce can be obtained by receiving the running wind W in a large area.

また、翼部５１の後上がりの外側傾斜部５１ｄの傾斜が、車幅方向の外側に向かうに連れて大きくなるため、外側傾斜部５１ｄで得られるダウンフォースは、車幅方向の外側に向かうに連れて大きくなる。このため、車幅方向の中央側の抵抗を低減しながら、車幅方向の外側の部分では、大きなダウンフォースが得られる。
また、翼部５１と上側翼部５２との間を流れる走行風Ｗは、略鉛直に延びる側壁部５３の内面に沿うように前後方向に流れ、走行風Ｗが翼部材５０の車幅方向外側に流出することが抑制される。このため、走行風Ｗを効率良く前後方向に流すことができ、効率良くダウンフォースを得られる。 Further, since the inclination of the outer inclined portion 51d rising rearward of the wing portion 51 increases toward the outside in the vehicle width direction, the downforce obtained by the outer inclined portion 51d becomes outward in the vehicle width direction. It gets bigger with it. Therefore, a large downforce can be obtained in the outer portion in the vehicle width direction while reducing the resistance on the center side in the vehicle width direction.
Further, the traveling wind W flowing between the wing portion 51 and the upper wing portion 52 flows in the front-rear direction along the inner surface of the side wall portion 53 extending substantially vertically, and the traveling wind W flows outside the wing member 50 in the vehicle width direction. The outflow to the wing is suppressed. Therefore, the traveling wind W can be efficiently flowed in the front-rear direction, and downforce can be efficiently obtained.

図２〜図４及び図８を参照し、前方からの走行風Ｗ２（図２）が第２の翼部材８０の第２の翼部８１と第２の上側翼部８２との間、及び翼部材８０の上下を通って後方に流れることで、ダウンフォースが発生する。
翼部材５０の後方に配置される第２の翼部材８０が、翼部材５０に対し下方にオフセットされるため、前方からの走行風Ｗ２は、翼部材５０を経由せずに第２の翼部材８０に直接的に流入する。このため、第２の翼部材８０によって効率良くダウンフォースを得ることができる。 With reference to FIGS. 2 to 4 and 8, the traveling wind W2 (FIG. 2) from the front is between the second wing portion 81 and the second upper wing portion 82 of the second wing member 80, and the wing. Downforce is generated by flowing backward through the upper and lower parts of the member 80.
Since the second wing member 80 arranged behind the wing member 50 is offset downward with respect to the wing member 50, the traveling wind W2 from the front does not pass through the wing member 50 and is not passed through the wing member 50. It flows directly into the 80. Therefore, the downforce can be efficiently obtained by the second wing member 80.

以上説明したように、本発明を適用した実施の形態によれば、自動二輪車１は、車体を側方から覆うカウル４０と、カウル４０の側面に設けられる翼部材５０とを備え、翼部材５０は、カウル４０から車幅方向外側に延出する翼部５１を備え、平面視において、翼部５１の車両前後方向の幅Ａは、車幅方向の中央側から車幅方向の外側に向かうに連れて大きくなる。
この構成によれば、翼部５１の車幅方向の中央側では、翼部５１の車両前後方向の幅Ａが小さいため、カウル４０の表面の近傍で翼部５１に沿うように流れる走行風による抵抗を低減できる。また、車幅方向の外側に向かうに連れて翼部５１の車両前後方向の幅Ａが大きくなるため、翼部５１の車幅方向の外側の部分では、前方側から翼部５１に直接的に当たる走行風Ｗを大きな面積で受けて大きなダウンフォースを得られる。このため、翼部材５０による走行の抵抗を低減し、且つ、翼部材５０によって効率良くダウンフォースを得ることができる。 As described above, according to the embodiment to which the present invention is applied, the motorcycle 1 includes a cowl 40 that covers the vehicle body from the side and a wing member 50 provided on the side surface of the cowl 40, and the wing member 50. Provided a wing portion 51 extending outward in the vehicle width direction from the cowl 40, and in a plan view, the width A of the wing portion 51 in the vehicle front-rear direction is from the center side in the vehicle width direction to the outside in the vehicle width direction. It gets bigger with it.
According to this configuration, on the central side of the wing portion 51 in the vehicle width direction, the width A of the wing portion 51 in the vehicle front-rear direction is small. Resistance can be reduced. Further, since the width A of the wing portion 51 in the vehicle front-rear direction increases toward the outside in the vehicle width direction, the outer portion of the wing portion 51 in the vehicle width direction directly hits the wing portion 51 from the front side. A large downforce can be obtained by receiving the running wind W in a large area. Therefore, the running resistance of the blade member 50 can be reduced, and the downforce can be efficiently obtained by the blade member 50.

また、翼部５１は、車両側面視で、後上がりに傾斜する外側傾斜部５１ｄを備え、外側傾斜部５１ｄの傾斜は、車幅方向の中央側から車幅方向の外側に向かうに連れて大きくなる。
この構成によれば、翼部５１の車幅方向の中央側では翼部材５０による走行の抵抗を低減でき、翼部５１の車幅方向の外側の部分では、効率良くダウンフォースを得ることができる。
また、翼部材５０は、翼部５１の上方でカウル４０から車幅方向外側に延出する上側翼部５２と、翼部５１の車幅方向外側の端部から上方に延びて上側翼部５２に接続される側壁部５３とを備える。
この構成によれば、翼部５１の車幅方向外側の端部に沿うように流れる走行風Ｗ１を側壁部５３によってガイドして効率良くダウンフォースを得ることができる。また、上側翼部５２によってダウンフォースを得ることができるとともに、翼部５１、側壁部５３、及び上側翼部５２が接続されることで、翼部材５０の剛性を向上できる。 Further, the wing portion 51 includes an outer inclined portion 51d that inclines backward in a side view of the vehicle, and the inclination of the outer inclined portion 51d increases from the central side in the vehicle width direction toward the outside in the vehicle width direction. Become.
According to this configuration, the running resistance due to the wing member 50 can be reduced on the central side of the wing portion 51 in the vehicle width direction, and downforce can be efficiently obtained on the outer portion of the wing portion 51 in the vehicle width direction. ..
Further, the wing member 50 includes an upper wing portion 52 extending outward in the vehicle width direction from the cowl 40 above the wing portion 51, and an upper wing portion 52 extending upward from the outer end portion of the wing portion 51 in the vehicle width direction. A side wall portion 53 connected to is provided.
According to this configuration, the downforce can be efficiently obtained by guiding the traveling wind W1 flowing along the outer end portion of the wing portion 51 in the vehicle width direction by the side wall portion 53. Further, downforce can be obtained by the upper wing portion 52, and the rigidity of the wing member 50 can be improved by connecting the wing portion 51, the side wall portion 53, and the upper wing portion 52.

さらに、平面視において、上側翼部５２の車両前後方向の幅Ｂは、車幅方向の中央側から車幅方向の外側に向かうに連れて大きくなる。
この構成によれば、上側翼部５２の車幅方向の中央側では上側翼部５２による走行の抵抗を低減でき、上側翼部５２の車幅方向の外側の部分では、効率良くダウンフォースを得ることができる。
また、カウル４０は、自動二輪車１の前端部で車体を前方及び左右の側方から覆うフロントカウル４１を備え、フロントカウル４１は、平面視で、車幅方向の中央部４１ａから車幅方向の外側に向かうに連れて後方に位置するように傾斜し、翼部材５０は、フロントカウル４１の中央部４１ａの左右に一対設けられる。
この構成によれば、フロントカウル４１の中央部４１ａの左右を後方に流れる走行風を利用し、翼部材５０によって効率良くダウンフォースを得ることができるとともに、翼部材５０による走行の抵抗を低減できる。 Further, in a plan view, the width B of the upper wing portion 52 in the vehicle front-rear direction increases from the center side in the vehicle width direction toward the outside in the vehicle width direction.
According to this configuration, the running resistance of the upper wing portion 52 can be reduced on the central side of the upper wing portion 52 in the vehicle width direction, and the downforce can be efficiently obtained on the outer portion of the upper wing portion 52 in the vehicle width direction. be able to.
Further, the cowl 40 includes a front cowl 41 that covers the vehicle body from the front and left and right sides at the front end portion of the motorcycle 1, and the front cowl 41 is in a plan view from the central portion 41a in the vehicle width direction to the vehicle width direction. A pair of wing members 50 are provided on the left and right sides of the central portion 41a of the front cowl 41 so as to be inclined so as to be located rearward toward the outside.
According to this configuration, it is possible to efficiently obtain downforce by the wing member 50 by utilizing the traveling wind flowing backward on the left and right of the central portion 41a of the front cowl 41, and it is possible to reduce the traveling resistance by the wing member 50. ..

また、翼部材５０とは異なる位置に配置される第２の翼部材８０が、カウル４０の側面に設けられる。
この構成によれば、翼部材５０とは異なる位置に配置される第２の翼部材８０によってダウンフォースを得ることができ、ダウンフォースを大きくできる。
また、第２の翼部材８０は、カウル４０から車幅方向外側に延出する第２の翼部８１と、第２の翼部８１の上方でカウル４０から車幅方向外側に延出する第２の上側翼部８２と、第２の翼部８１の車幅方向外側の端部から上方に延びて第２の上側翼部８２に接続される第２の側壁部８３とを備える。
この構成によれば、第２の翼部８１の車幅方向外側の端部に沿うように流れる走行風Ｗ２を第２の側壁部８３によってガイドして効率良くダウンフォースを得ることができる。また、第２の上側翼部８２によってダウンフォースを得ることができるとともに、第２の翼部８１、第２の側壁部８３、及び第２の上側翼部８２が接続されることで、第２の翼部材８０の剛性を向上できる。 Further, a second wing member 80, which is arranged at a position different from that of the wing member 50, is provided on the side surface of the cowl 40.
According to this configuration, the downforce can be obtained by the second wing member 80 arranged at a position different from that of the wing member 50, and the downforce can be increased.
Further, the second wing member 80 has a second wing portion 81 extending outward in the vehicle width direction from the cowl 40, and a second wing portion 81 extending outward from the cowl 40 in the vehicle width direction above the second wing portion 81. The upper wing portion 82 of 2 and the second side wall portion 83 extending upward from the outer end portion of the second wing portion 81 in the vehicle width direction and connected to the second upper wing portion 82 are provided.
According to this configuration, the running wind W2 flowing along the outer end portion of the second wing portion 81 in the vehicle width direction is guided by the second side wall portion 83, and downforce can be efficiently obtained. Further, downforce can be obtained by the second upper wing portion 82, and the second wing portion 81, the second side wall portion 83, and the second upper wing portion 82 are connected to each other to obtain the second upper wing portion 82. The rigidity of the wing member 80 can be improved.

また、第２の翼部材８０は、翼部材５０よりも後方に配置される。
この構成によれば、翼部材５０の後方を流れる走行風Ｗ２を利用して、第２の翼部材８０によってダウンフォースを得ることができる。
さらに、第２の側壁部８３は、翼部材５０の側壁部５３よりも車幅方向外側に位置する。
この構成によれば、翼部材５０よりも車幅方向外側を流れる走行風Ｗ２を利用して、第２の翼部材８０によってダウンフォースを効率良く得ることができる。 Further, the second wing member 80 is arranged behind the wing member 50.
According to this configuration, downforce can be obtained by the second blade member 80 by utilizing the traveling wind W2 flowing behind the blade member 50.
Further, the second side wall portion 83 is located outside the side wall portion 53 of the wing member 50 in the vehicle width direction.
According to this configuration, downforce can be efficiently obtained by the second blade member 80 by utilizing the traveling wind W2 flowing outside the vehicle width direction with respect to the blade member 50.

なお、上記実施の形態は本発明を適用した一態様を示すものであって、本発明は上記実施の形態に限定されるものではない。
上記実施の形態では、翼部材５０は、翼部５１、上側翼部５２、及び側壁部５３を備えるものとして説明したが、本発明はこれに限定されるものではない。例えば、翼部材は、上側翼部５２及び側壁部５３を備えずに単一の翼部５１のみを備え、この翼部５１がカウル４０の側面に設けられても良い。
上記実施の形態では、鞍乗り型車両として自動二輪車１を例に挙げて説明したが、本発明はこれに限定されるものではなく、本発明は、前輪または後輪を２つ備えた３輪の鞍乗り型車両、及び４輪以上を備えた鞍乗り型車両に適用可能である。 It should be noted that the above embodiment shows one aspect to which the present invention is applied, and the present invention is not limited to the above embodiment.
In the above embodiment, the wing member 50 has been described as including the wing portion 51, the upper wing portion 52, and the side wall portion 53, but the present invention is not limited thereto. For example, the wing member may include only a single wing 51 without the upper wing 52 and the side wall 53, and the wing 51 may be provided on the side surface of the cowl 40.
In the above embodiment, the motorcycle 1 as a saddle-riding vehicle has been described as an example, but the present invention is not limited to this, and the present invention is a three-wheeled vehicle including two front wheels or two rear wheels. It is applicable to saddle-riding vehicles and saddle-riding vehicles equipped with four or more wheels.

１ 自動二輪車（鞍乗り型車両）
４０ カウル
４１ フロントカウル
４１ａ 中央部
５０ 翼部材
５１ 翼部
５１ｄ 外側傾斜部（傾斜部）
５２ 上側翼部
５３ 側壁部
８０ 第２の翼部材
８１ 第２の翼部
８２ 第２の上側翼部
８３ 第２の側壁部
Ａ 幅（翼部の車両前後方向の幅）
Ｂ 幅（上側翼部の車両前後方向の幅） 1 Motorcycle (saddle-riding vehicle)
40 cowl 41 front cowl 41a central part 50 wing member 51 wing part 51d outer inclined part (inclined part)
52 Upper wing 53 Side wall 80 Second wing member 81 Second wing 82 Second upper wing 83 Second side wall A width (width of the wing in the vehicle front-rear direction)
B width (width of the upper wing in the front-rear direction of the vehicle)

Claims (10)

車体を側方から覆うカウル（４０）と、前記カウル（４０）の側面に設けられる翼部材（５０）とを備える鞍乗り型車両において、
前記翼部材（５０）は、前記カウル（４０）から車幅方向外側に延出する翼部（５１）を備え、
前記翼部（５１）は、前記カウル（４０）の前記側面に対し車幅方向外側に延びる前縁（５１ａ）と、前記前縁（５１ａ）の後方で前記側面に対し車幅方向外側に延びる後縁（５１ｂ）とを備え、
平面視において、前記前縁（５１ａ）と前記後縁（５１ｂ）との車両前後方向の距離である前記翼部（５１）の幅（Ａ）は、車幅方向の中央側から車幅方向の外側に向かうに連れて大きくなることを特徴とする鞍乗り型車両。 In a saddle-riding vehicle having a cowl (40) that covers the vehicle body from the side and a wing member (50) provided on the side surface of the cowl (40).
The wing member (50) includes a wing portion (51) extending outward in the vehicle width direction from the cowl (40).
The wing portion (51) has a front edge (51a) extending outward in the vehicle width direction with respect to the side surface of the cowl (40) and extending outward in the vehicle width direction with respect to the side surface behind the front edge (51a). With a trailing edge (51b)
In a plan view, the width (A) of the wing portion (51), which is the distance between the front edge (51a) and the rear edge (51b) in the vehicle front-rear direction, is from the center side in the vehicle width direction to the vehicle width direction. A saddle-riding vehicle that grows larger toward the outside. 前記翼部（５１）は、車両側面視で、後上がりに傾斜する傾斜部（５１ｄ）を備え、
前記傾斜部（５１ｄ）の傾斜は、車幅方向の中央側から車幅方向の外側に向かうに連れて大きくなることを特徴とする請求項１記載の鞍乗り型車両。 The wing portion (51) includes an inclined portion (51d) that inclines backward and upward when viewed from the side of the vehicle.
The saddle-riding vehicle according to claim 1, wherein the inclination of the inclined portion (51d) increases from the central side in the vehicle width direction toward the outside in the vehicle width direction. 前記翼部材（５０）は、前記翼部（５１）の上方で前記カウル（４０）から車幅方向外側に延出する上側翼部（５２）と、前記翼部（５１）の車幅方向外側の端部から上方に延びて前記上側翼部（５２）に接続される側壁部（５３）とを備えることを特徴とする請求項１または２記載の鞍乗り型車両。 The wing member (50) has an upper wing portion (52) extending outward in the vehicle width direction from the cowl (40) above the wing portion (51) and an outer side of the wing portion (51) in the vehicle width direction. The saddle-mounted vehicle according to claim 1 or 2, further comprising a side wall portion (53) extending upward from the end portion of the vehicle and connected to the upper wing portion (52). 平面視において、前記上側翼部（５２）の車両前後方向の幅（Ｂ）は、車幅方向の中央側から車幅方向の外側に向かうに連れて大きくなることを特徴とする請求項３記載の鞍乗り型車両。 The third aspect of the present invention, wherein the width (B) of the upper wing portion (52) in the vehicle front-rear direction increases from the center side in the vehicle width direction toward the outside in the vehicle width direction. Saddle-riding vehicle. 前記カウル（４０）は、前記鞍乗り型車両の前端部で前記車体を前方及び左右の側方から覆うフロントカウル（４１）を備え、前記フロントカウル（４１）は、平面視で、車幅方向の中央部（４１ａ）から車幅方向の外側に向かうに連れて後方に位置するように傾斜し、
前記翼部材（５０）は、前記フロントカウル（４１）の前記中央部（４１ａ）の左右に一対設けられることを特徴とする請求項１から４のいずれかに記載の鞍乗り型車両。 The cowl (40) includes a front cowl (41) that covers the vehicle body from the front and left and right sides at the front end of the saddle-riding vehicle, and the front cowl (41) is in the vehicle width direction in a plan view. Inclined so that it is located rearward from the central part (41a) of the vehicle toward the outside in the vehicle width direction.
The saddle-riding vehicle according to any one of claims 1 to 4, wherein the wing member (50) is provided in pairs on the left and right sides of the central portion (41a) of the front cowl (41). 前記翼部材（５０）とは異なる位置に配置される第２の翼部材（８０）が、前記カウル（４０）の前記側面に設けられることを特徴とする請求項１から５のいずれかに記載の鞍乗り型車両。 The invention according to any one of claims 1 to 5, wherein a second wing member (80) arranged at a position different from that of the wing member (50) is provided on the side surface of the cowl (40). Saddle-riding vehicle. 前記第２の翼部材（８０）は、前記カウル（４０）から車幅方向外側に延出する第２の翼部（８１）と、前記第２の翼部（８１）の上方で前記カウル（４０）から車幅方向外側に延出する第２の上側翼部（８２）と、前記第２の翼部（８１）の車幅方向外側の端部から上方に延びて前記第２の上側翼部（８２）に接続される第２の側壁部（８３）とを備えることを特徴とする請求項６記載の鞍乗り型車両。 The second wing member (80) includes a second wing portion (81) extending outward in the vehicle width direction from the cowl (40), and the cowl (81) above the second wing portion (81). The second upper wing portion (82) extending outward in the vehicle width direction from 40) and the second upper wing portion (81) extending upward from the outer end portion in the vehicle width direction of the second wing portion (81). The saddle-riding vehicle according to claim 6, further comprising a second side wall portion (83) connected to the portion (82). 前記第２の翼部材（８０）は、前記翼部材（５０）よりも後方に配置されることを特徴とする請求項７記載の鞍乗り型車両。 The saddle-riding vehicle according to claim 7, wherein the second wing member (80) is arranged behind the wing member (50). 前記翼部材（５０）は、前記翼部（５１）の上方で前記カウル（４０）から車幅方向外側に延出する上側翼部（５２）と、前記翼部（５１）の車幅方向外側の端部から上方に延びて前記上側翼部（５２）に接続される側壁部（５３）とを備え、
前記第２の側壁部（８３）は、前記翼部材（５０）の前記側壁部（５３）よりも車幅方向外側に位置することを特徴とする請求項８記載の鞍乗り型車両。 The wing member (50) has an upper wing portion (52) extending outward in the vehicle width direction from the cowl (40) above the wing portion (51) and an outer side of the wing portion (51) in the vehicle width direction. With a side wall portion (53) extending upward from the end portion of the wing and connected to the upper wing portion (52).
The saddle-riding vehicle according to claim 8, wherein the second side wall portion (83) is located outside the side wall portion (53) of the wing member (50) in the vehicle width direction. 車体を側方から覆うカウル（４０）と、前記カウル（４０）の側面に設けられる翼部材（５０）とを備える鞍乗り型車両において、In a saddle-riding vehicle having a cowl (40) that covers the vehicle body from the side and a wing member (50) provided on the side surface of the cowl (40).
前記翼部材（５０）は、前記カウル（４０）から車幅方向外側に延出する翼部（５１）を備え、 The wing member (50) includes a wing portion (51) extending outward in the vehicle width direction from the cowl (40).
平面視において、前記翼部（５１）の車両前後方向の幅（Ａ）は、車幅方向の中央側から車幅方向の外側に向かうに連れて大きくなり、 In a plan view, the width (A) of the wing portion (51) in the vehicle front-rear direction increases from the center side in the vehicle width direction toward the outside in the vehicle width direction.
前記翼部材（５０）とは異なる位置に配置される第２の翼部材（８０）が、前記カウル（４０）の前記側面に設けられることを特徴とする鞍乗り型車両。 A saddle-riding vehicle characterized in that a second wing member (80) arranged at a position different from that of the wing member (50) is provided on the side surface of the cowl (40).
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