JP2013226978A - Air guide structure for saddle type vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate manufacturing by simplifying component shapes in an air guide structure for a saddle type vehicle provided with a shroud including an outer shroud and an inner shroud.SOLUTION: A first air passage 37 is provided between an outer shroud 31 and an inner shroud 41 in order to guide traveling air to a cylinder head 23b side. The inner shroud 41 is formed with a second air passage 44 that is arranged side by side at the first air passage 37 in the vehicle width direction and guides the traveling air to the cylinder head 23b side. The inner shroud 41 has a partition wall 42 that partitions the first air passage 37 and the second air passage 44. The partition wall 42 includes a first sidewall 42a facing the first air passage 37, and a second sidewall 42b facing the second air passage 44.

Description

  The present invention relates to a wind guide structure for a saddle-ride type vehicle.

  Conventionally, for example, a motorcycle has a first ventilation path that guides traveling wind to a rider and a second ventilation path that guides traveling wind to an air-cooled engine at the top and bottom of a shroud that covers, for example, the front side of the vehicle body. There is one that controls the flow by dividing the traveling wind taken into the shroud into two airflows (see, for example, Patent Document 1).

JP 2010-162990 A

By the way, in the above-described conventional configuration, the space between the outer shroud and the inner shroud is the first ventilation path above the shroud, while there is no space between the outer shroud and the inner shroud below, only the inner shroud. The enclosed space is the second ventilation path.
However, as described above, when trying to form a plurality of ventilation paths with a small number of parts including only the outer shroud and the inner shroud, the shape of the inner shroud hidden in the outer shroud tends to be complicated, and production is difficult. .

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to simplify the part shape and facilitate production in a wind guide structure of a saddle-ride type vehicle including a shroud including an outer shroud and an inner shroud.

As a means for solving the above problem, the invention described in claim 1 is directed to a wind guide structure of a saddle-ride type vehicle (1) provided with a shroud (25) covering a part of a vehicle body, wherein the shroud (25) An outer shroud (31) disposed on the outer side of the vehicle body and an inner shroud (41) disposed on the inner side of the vehicle body are provided, and a vehicle body frame (5) is provided between the outer shroud (31) and the inner shroud (41). A first ventilation path (37) for guiding traveling wind is formed on the cylinder head (23b) side of the engine (21) supported on the inner shroud, and the inner shroud (41) has the first ventilation path (37) and the vehicle width. Similarly, a second ventilation path (44) for guiding traveling wind to the cylinder head (23b) side of the engine (21) is formed, and the inner shroud (41) It has a partition wall part (42) which partitions between a ventilation path (37) and a 2nd ventilation path (44), and the said partition wall part (42) is a 1st side wall which faces said 1st ventilation path (37) It has a part (42a) and the 2nd side wall part (42b) which faces said 2nd ventilation path (44), It is characterized by the above-mentioned.
The saddle-ride type vehicle includes all vehicles on which the driver rides across the vehicle body, and includes not only motorcycles (including motorbikes and scooter type vehicles) but also three-wheelers (front one wheel and rear two wheels). In addition, a vehicle having two front wheels and one rear wheel is also included.

According to a second aspect of the present invention, the front end portion of the outer shroud (31) is continuously connected to the front of the first side wall portion (42a) and guides the traveling wind to the first ventilation path (37). It has an introduction wall (36).
The invention described in claim 3 is characterized in that the partition wall (42) is disposed behind the introduction wall (36) and overlaps the introduction wall (36) in a front view.
According to a fourth aspect of the present invention, the partition wall portion (42) is formed so as to turn back the first side wall portion (42a) and the second side wall portion (42b), and opens toward the front of the vehicle. It is characterized by that.
The invention described in claim 5 is characterized in that the inner shroud (41) has a louver (45) forming the second ventilation path (44).
According to a sixth aspect of the present invention, the inner shroud (41) is configured so that the inner and outer surfaces of the folded-back shape of the partition wall portion (42) are parallel to or predetermined with respect to the die cutting direction parallel to the louver (45) It arrange | positions so that it may have a draft.
According to a seventh aspect of the present invention, the inner shroud (41) is provided in a pair of left and right, and is integrally provided on the left and right, and the vehicle body frame (5) A mounting portion (46b) is provided.
In the invention described in claim 8, the partition wall (42) is longer in the vertical direction than the first ventilation path (37), and the outer shroud (31) is fixed to the partition wall (42). A fixing part (42d) is provided.
The invention described in claim 9 is characterized in that the front end portion of the shroud (25) is located in front of the vehicle with respect to the front end portion of the fuel tank (16) disposed above the engine (21). .

According to the first aspect of the present invention, the surface that matches the shape of the first ventilation path and the second ventilation path can be easily formed with a small number of parts in the partition wall, and therefore the shroud that forms a plurality of ventilation paths can be formed. The shape of the component parts can be simplified to facilitate production.
According to the second aspect of the present invention, the traveling wind can be smoothly guided to the first ventilation path by the cooperation of the introduction wall of the outer shroud and the first side wall.
According to the third aspect of the present invention, it is possible to improve the appearance by concealing the partition wall portion opened to the front of the vehicle behind the introduction wall.
According to the invention described in claim 4, surfaces that match the shapes of the first ventilation path and the second ventilation path that are arranged in the vehicle width direction can be easily formed by the folded partition wall portion, and the partition wall is formed by the folded shape. As a result, the rigidity of the inner shroud can be improved.

According to the invention described in claim 5, a rectifying effect can be obtained while forming the second ventilation path.
According to the sixth aspect of the present invention, when the inner shroud is molded, it can be molded without causing an undercut in the folded partition wall portion by die cutting parallel to the louver, thereby improving productivity. Can do.
According to the seventh aspect of the invention, the left and right inner shrouds can be attached to the vehicle body frame in a balanced manner at the center of the left and right inner shrouds.
According to the invention described in claim 8, the outer shroud can be supported via the partition wall portion that is long in the vertical direction.
According to the ninth aspect of the present invention, the traveling wind can be taken into the shroud without being affected by the disturbance of the traveling wind hitting the fuel tank.

1 is a left side view of a motorcycle according to an embodiment of the present invention. Fig. 3 is a left side view around the shroud of the motorcycle. It is a front view around the shroud. It is a top view of the periphery of the shroud. It is the perspective view which looked at the above-mentioned shroud periphery from the upper right front. It is a left view of the said shroud. It is a front view of the said shroud. It is a top view of the said shroud. It is a top view containing the partial cross section which shows the flow of the driving | running | working wind of the said shroud. It is a left view of the inner shroud of the shroud.

  Embodiments of the present invention will be described below with reference to the drawings. Note that the directions such as front, rear, left and right in the following description are the same as those in the vehicle described below unless otherwise specified. Further, in the drawings used for the following explanation, an arrow FR indicating the front of the vehicle, an arrow LH indicating the left side of the vehicle, and an arrow UP indicating the upper side of the vehicle are shown.

  In the motorcycle 1 (saddle-ride type vehicle) shown in FIG. 1, the front wheel 2 is pivotally supported on the lower ends of a pair of left and right front forks 3. The upper portions of the left and right front forks 3 are pivotally supported by the head pipe 6 at the front end portion of the vehicle body frame 5 via the steering stem 4 so as to be steerable. On the steering stem 4, a steering bar handle 4a is attached. A front cowl 4 b is attached in front of the steering stem 4.

  The vehicle body frame 5 is formed by integrally joining a plurality of types of steel materials by welding or the like. The vehicle body frame 5 includes a single main frame 7 that extends obliquely downward and rearward from the upper rear side of the head pipe 6 and then extends downward and extends downward from the lower rear side of the head pipe 6. Down frame 8, hanger bracket 9 connected to the lower end portion of down frame 8, pivot bracket 11 provided at the rear lower end portion of main frame 7, and a pair of left and right seat rails extending rearward from the rear side of the bent portion of main frame 7 12 and a pair of left and right support pipes 13 extending obliquely upward and rearward from the rear side of the pivot bracket 11 toward the lower side of the front and rear intermediate portions of the left and right seat rails 12.

  The rear wheel 14 of the motorcycle 1 is pivotally supported by a rear end portion of a swing arm 15 that extends in the front-rear direction below the rear portion of the vehicle body. The front end portion of the swing arm 15 is pivotally supported by the pivot bracket 11 at the front and rear intermediate portion of the vehicle body frame 5 so as to be vertically swingable. The rear wheel 14 is connected to an engine 21 which is a prime mover of the motorcycle 1 via, for example, a chain type transmission mechanism 14a disposed on the left side of the rear part of the vehicle body.

The engine 21 erects the cylinder 23 above the front part of the crankcase 22 constituting the lower part thereof. In the cylinder 23, a cylinder body 23a, a cylinder head 23b, and a head cover 23c are stacked in order from the crankcase 22 side. Reference numeral C <b> 1 in the drawing indicates a cylinder axis along the rising direction of the cylinder 23.
A fuel tank 16 is disposed above the cylinder 23, and a seat 17 is disposed behind the fuel tank 16. In the figure, reference numeral 18 denotes a driver step 18 and reference numeral 19 denotes a passenger step 19.

  2 to 4 together, the fuel tank 16 is made of a steel plate, and has a bowl-shaped tank inner plate 16a formed so as to straddle the main frame 7 on the left and right sides, and a predetermined outer side of the tank inner plate 16a. A swelled tank outer plate 16b covering the gap is formed, and a hollow fuel tank 16 is formed by the tank inner plate 16a and the tank outer plate 16b. The bowl-shaped portion 16c formed by the tank inner plate 16a is opened at the front end of the fuel tank 16 toward the front of the vehicle. The rear end portion of the bowl-shaped portion 16c reaches the rear end portion of the fuel tank 16 while decreasing the vertical width toward the rear side. A joint flange 16d for joining the tank outer plate 16b is continuously provided at the peripheral edge of the bowl-shaped part 16c. On both sides of the rear portion of the fuel tank 16 (tank outer plate 16b), a rear recess 16e is formed to facilitate the driver's knee grip. On both sides of the front upper part of the fuel tank 16 (tank outer plate 16b), front upper recesses 16f for escaping the bar handle 4a during turning are formed. In the figure, reference numeral 16g indicates a tank cap, and line CL indicates the left and right center plane of the vehicle body.

  Referring to FIG. 1, various covers made of synthetic resin are attached around the body of motorcycle 1. Specifically, the front cowl 4b is attached to the steering stem 4, a front fender 4c is attached between the left and right front forks 3, and left and right shrouds 25 are attached to the left and right sides of the front part of the body frame 5. Left and right side covers 26 are attached to the left and right sides of the front and rear intermediate part of the body frame 5, left and right rear side covers 27 are attached to the left and right sides of the rear part of the body frame 5, and a rear end cover 28 is attached to the rear end of the body frame 5. A rear fender 29 is attached below the rear end of the body frame 5.

As shown in FIGS. 5 to 8, the left and right shrouds 25 are each composed of two members. The left and right shrouds 25 have a bilaterally symmetric configuration unless otherwise specified. Hereinafter, the left and right shrouds 25 will be described as an example with reference to FIGS.
The shroud 25 includes an outer shroud 31 that forms an outer appearance surface on the outer side in the vehicle width direction (left-right direction), and an inner shroud 41 that is disposed on the inner side in the vehicle width direction at the front portion of the outer shroud 31.

  The outer shroud 31 is located below the left and right side portions of the front portion of the fuel tank 16 (see FIGS. 1 to 4), and protrudes downward from the front lower edge portion of the fuel tank 16, and the front end portion of the fuel tank 16. The fuel tank 16 is provided so as to protrude forward and to extend outward in the vehicle width direction from the left and right outer ends of the fuel tank 16. The outer shroud 31 has a container shape that bulges outward in the vehicle width direction and opens inward in the vehicle width direction, and is formed in an inverted trapezoidal shape whose lower side is longer than the upper side in a side view.

  The inverted trapezoidal upper and lower sides 31a, 31b in a side view of the outer shroud 31 are provided so as to be inclined rearward so as to be along a direction perpendicular to the front lower edge of the fuel tank 16 and the cylinder axis C1. . The inverted trapezoidal front side portion 31 c in a side view of the outer shroud 31 is provided in front of the down frame 8 and along the down frame 8. The inverted trapezoidal rear side portion 31d in a side view of the outer shroud 31 is provided so as to be inclined rearward upward so as to obliquely cross the front portion of the head cover behind the down frame 8. The rear side portion 31d is provided so as to continue below the front end portion of the rear recessed portion 16e of the fuel tank 16 in a side view.

  The upper side portion 31a of the outer shroud 31 is constituted by an upper wall portion 32 facing the vehicle upper side. From the outer edge part of the upper wall part 32, the outer wall part 33 is bent downward and extends. The outer side wall portion 33 has a curved shape protruding outward in the vehicle width direction, and is inclined so that the lower side is located on the inner side in the vehicle width direction and the rear side is located on the inner side in the vehicle width direction. The lower part and the rear part of the outer side wall part 33 are each curved inward in the vehicle width direction to reach the lower side part 31b and the rear side part 31d. Here, a groove 16h is formed in the rear recessed portion 16e of the fuel tank 16 so as to continue to the rear of the upper wall portion 32, and the traveling wind flowing along the upper wall portion 32 is caused to flow between the fuel tank 16 and the driver's knee. It can be introduced during

  The front side portion 31c of the outer shroud 31 is configured by a front wall portion 34 that is inclined so as to be positioned rearward as it is on the outer side in the vehicle width direction. The front wall portion 34 leaves a portion along the front edge portion of the outer shroud 31, the front edge portion of the upper wall portion 32, and the front edge portion of the outer wall portion 33 in a frame shape, and inside the outer shroud 31 on the inner peripheral side thereof. An air inlet 35 for taking in the traveling wind is opened. An introduction wall 36 that extends obliquely toward the outside in the vehicle width direction (on the air introduction port 35 side) and rearward is connected to a portion along the front edge portion of the outer shroud 31 in the front wall portion 34.

  Referring also to FIG. 9, the traveling wind that has entered the outer shroud 31 from the air inlet 35 is curved inward in the vehicle width direction along the inner side surface of the outer wall portion 33 inside the rear portion of the outer shroud 31. Flowing. In other words, the outer shroud 31 causes the traveling air introduced from the air introduction port 35 to flow along the inner side surface of the outer wall portion 33 toward the opening portion of the rear portion on the inner side in the vehicle width direction. Form.

  The traveling wind flowing through the first ventilation path 37 is supplied mainly to the side surface of the cylinder 23 located on the inner side in the vehicle width direction behind the shroud 25. When the spark plug 24 is disposed on the side surface of the cylinder head 23b, the cooling effect around the periphery is particularly enhanced.

  Referring to FIGS. 3 to 5, a fastening portion 38 is provided on the inner side in the vehicle width direction of the upper wall portion 32 so as to extend inward in the vehicle width direction in a triangular shape as viewed from above along the front end portion of the fuel tank 16. . The fastening portion 38 penetrates the fastening screw 38b from above and is screwed into the screw hole of the fastening bracket 38a fixed to the front end portion of the joining flange 16d of the fuel tank 16. By this fastening portion 38, the front upper portion of the outer shroud 31 is fastened and fixed to the fastening bracket 38 a and the fuel tank 16.

  Referring to FIGS. 5, 6, and 8, a clip pin 39 projects from the inner side surface of the outer wall portion 33 toward the inner side in the vehicle width direction. The clip pin 39 is fitted from the outside in the vehicle width direction into a grommet 39a (see FIG. 5) fitted and attached to the front end portion of the joining flange 16d of the fuel tank 16, so that the inner side surface of the outer wall portion 33 is connected to the joining flange 16d. Hold at the front edge.

  Referring to FIGS. 1 and 2, a connecting piece 33 a projects from the rear end portion of the outer wall portion 33 toward the rear. A grommet (not shown) is fitted and attached to the connecting piece 33a, and a clip pin (not shown) protruding from the inner surface of the front end portion of the side cover 26 is fitted into the grommet, whereby the front end of the side cover 26 is inserted. And the rear end of the outer shroud 31 are connected.

As shown in FIGS. 7 to 9, the inner shroud 41 includes a partition wall portion 42 disposed behind the introduction wall 36 of the outer shroud 31, and a flow path forming portion 43 extending inward in the vehicle width direction of the partition wall portion 42. Are integrated.
The partition wall part 42 partitions the second ventilation path 44 formed by the flow path forming part 43 and the first ventilation path 37 in the outer shroud 31 in the vehicle width direction. The partition wall portion 42 has a plate shape substantially perpendicular to the vehicle width direction and extends in the up-down direction. The partition wall portion 42 has a plate shape similar to that of the first side wall portion 42a, and the front side of the vehicle on the inner side in the vehicle width direction. A second side wall portion 42b that is disposed opposite to each other, and a narrow rear wall that is bent from the rear edge portion of the second side wall portion 42b and extends outward in the vehicle width direction to reach the rear inner surface of the first side wall portion 42a. It has the part 42c integrally.

  It can be said that the partition wall has a folded shape obtained by folding the first side wall portion 42a and the second side wall portion 42b at a narrow angle. The folded shape of the partition wall opens toward the front of the vehicle, and the open portion is covered from the front of the vehicle by the introduction wall 36. Behind the introduction wall 36, the first side wall portion 42a is disposed so as to continue to the vehicle rear.

  The flow path forming portion 43 includes a plurality (three in the present embodiment) of louvers 45 extending substantially horizontally from the inner side surface of the second side wall portion 42b to the inside in the vehicle width direction, and the inside of the plurality of louvers 45 in the vehicle width direction. It has integrally the connection end part 46 which connects an edge part mutually. Each louver 45 has a strip shape extending along the vehicle width direction, and is provided parallel to each other and inclined rearwardly. The traveling wind that has entered the flow path forming portion 43 is inclined rearward and downward along the louvers 45 and flows toward the rear of the vehicle. That is, the flow path forming unit 43 forms the second ventilation path 44 through which the traveling wind flows along the louvers 45.

The portion of the second side wall portion 42b where the end of each louver 45 on the outer side in the vehicle width abuts is formed to be displaced outward in the vehicle width direction with a predetermined vertical width. Thereby, the appearance when the inner shroud 41 is viewed from the second ventilation path 44 side is improved, and the traveling wind introduction area of the second ventilation path 44 is widened.
The traveling wind that flows through the second ventilation path 44 is supplied mainly to the front surface of the cylinder 23 that is located below and behind the louvers 45. When the front surface of the cylinder head 23b is on the exhaust side, the cooling effect around the periphery is particularly enhanced.

  5 and 6, a fastening portion 42d for a fastening boss 33b provided on the inner side in the vehicle width direction of the front lower end portion of the outer shroud 31 is provided at the lower end portion of the second side wall portion 42b. The fastening portion 42d penetrates the fastening screw 33c from the vehicle width direction side, and screws the fastening screw 33c into the screw hole of the fastening boss 33b. By this fastening portion 42d, the lower end portion of the inner shroud 41 is fastened and fixed to the fastening boss 33b and thus to the lower end portion of the front portion of the outer shroud 31.

  Referring to FIGS. 7 and 9, the connecting end portion 46 is formed in a plate shape substantially orthogonal to the vehicle width direction and extends in the up-down direction, and a side wall portion 46 a that abuts the end portion of each louver 45 in the vehicle width direction, A front wall 46b extending inward in the vehicle width direction from the front edge of the side wall 46a is integrally provided. The front wall portion 46b extends in the vertical direction as a plate that is inclined so as to follow the front edge of the down frame 8 in a side view. The upper and lower intermediate portions of the front wall portion 46b allow a fastening screw 46d to penetrate from the front of the vehicle, and the fastening screw 46d is screwed into a screw hole of a fastening bracket 46c fixed to the down frame 8. As a result, the end of the inner shroud 41 on the inner side in the vehicle width direction is fastened and fixed to the fastening bracket 46c and thus to the vehicle body frame 5.

  The left and right shrouds 25 are attached to the vehicle body by fastening the connecting end portions 46 of the left and right inner shrouds 41 to the down frame 8 and the fastening portions 42d of the partition wall portions 42 (second side wall portions 42b) of the left and right inner shrouds 41. Fastened to the shroud 31, the fastening portion 38 of the upper wall portion 32 of the left and right outer shroud 31 is fastened to the fastening bracket 38 a of the fuel tank 16, and the clip pin 39 of the outer wall portion 33 of the left and right outer shroud 31 is joined to the fuel tank 16. This is done by engaging the flange 16d and connecting the rear end portions of the left and right outer shrouds 31 to the front end portions of the left and right side covers 26.

  The connecting end portions 46 of the left and right inner shrouds 41 are integrally connected via a plate-like connecting wall portion 47 that is inclined along the front end edge of the down frame 8 in a side view. Thus, the left and right inner shrouds 41 are configured as a connected inner shroud 48 that is an integral molded product.

  As shown in FIG. 10, the mold release direction of the connecting inner shroud 48 (mold splitting direction, indicated by an arrow DR in the figure) is parallel to the front and back surfaces of each louver 45 and parallel to the vehicle body left and right center plane (line CL in the figure). It is said that the direction. The first and second side wall portions 42a and 42b of the partition wall are arranged so that the inner and outer surfaces thereof are parallel to the die cutting direction or have a predetermined draft (for example, 0.1 to 2 °). As a result, when the connecting inner shroud 48 is molded, an undercut does not occur in the folded shape of the partition wall portion 42, and the mold design of the connecting inner shroud 48 is facilitated and productivity is improved.

As described above, the wind guide structure of the saddle-ride type vehicle in the above embodiment is applied to the motorcycle 1 including the shroud 25 that covers a part of the vehicle body, and the shroud 25 is disposed outside the vehicle body. The outer shroud 31 and the inner shroud 41 disposed on the inner side of the vehicle body are provided. Between the outer shroud 31 and the inner shroud 41, running wind is directed to the cylinder head 23b side of the engine 21 supported by the vehicle body frame 5. A first air passage 37 is formed, and the inner shroud 41 is provided with a second air passage 44 that is aligned with the first air passage 37 in the vehicle width direction and that guides the traveling air to the cylinder head 23 b side of the engine 21. A partition wall portion that is formed and in which the inner shroud 41 partitions the first ventilation path 37 and the second ventilation path 44 Has 2, the partition wall portion 42, in which comprises a first side wall portion 42a facing the first air passage 37, and a second side wall 42b facing the second air passage 44.
According to this structure, since the partition wall part 42 can form easily the surface which matched the shape of the 1st ventilation path 37 and the 2nd ventilation path 44 with few parts, the structure of the shroud 25 which forms a some ventilation path Production can be facilitated by simplifying the shape of the parts.

  The wind guide structure of the saddle-ride type vehicle has an introduction wall 36 that is continuously connected to the front end portion of the outer shroud 31 in front of the first side wall portion 42a and guides traveling wind to the first ventilation path 37. Therefore, the traveling wind can be smoothly guided to the first ventilation path 37 by the cooperation of the introduction wall 36 of the outer shroud 31 and the first side wall portion 42a.

  In the wind guide structure of the saddle-ride type vehicle, the partition wall portion 42 is disposed behind the introduction wall 36 and overlaps the introduction wall 36 in a front view, so that the partition wall portion 42 is opened to the front of the vehicle. Can be hidden behind the introduction wall 36 to improve the appearance.

  In the wind guide structure of the saddle-ride type vehicle, the partition wall portion 42 is formed so as to fold back the first side wall portion 42a and the second side wall portion 42b, and is opened toward the front of the vehicle. Surfaces matching the shapes of the first ventilation path 37 and the second ventilation path 44 arranged in the vehicle width direction can be easily formed by the folded-back partition wall portion 42, and the folded wall shape 42 and thus the rigidity of the inner shroud 41 can be formed. Can also be improved.

  In the wind guide structure of the saddle-ride type vehicle, the inner shroud 41 includes a louver 45 that forms the second ventilation path 44, so that a rectifying effect can be obtained while the second ventilation path 44 is formed. .

  In the wind guide structure of the saddle-ride type vehicle, the inner shroud 41 has a parallel or predetermined draft angle with the folded inner and outer surfaces of the partition wall portion 42 with respect to the die-cutting direction parallel to the louver 45. By arranging so that the inner shroud 41 is molded, it is possible to mold the folded partition wall 42 without undercut by die cutting parallel to the louver 45, and to improve productivity. Can do.

  In the wind guide structure of the saddle-ride type vehicle, the inner shroud 41 is provided in a pair of left and right, and is integrally provided on the left and right, and a mounting portion for the vehicle body frame 5 is provided at a central portion in the left and right direction of the inner shroud 41. By providing the (front wall portion 46 b), the left and right inner shrouds 41 can be attached to the vehicle body frame 5 in a balanced manner at the center portion of the left and right inner shrouds 41.

  In the wind guide structure of the saddle-ride type vehicle, the partition wall portion 42 is longer in the vertical direction than the first ventilation passage 37, and a fixing portion (fastening) that fixes the outer shroud 31 to the partition wall portion 42. By providing the portion 42d), the outer shroud 31 can be supported via the partition wall portion 42 that is long in the vertical direction.

  The wind guide structure of the saddle-ride type vehicle is configured such that the front end portion of the shroud 25 is located in front of the fuel tank 16 disposed above the engine 21 so that it hits the fuel tank 16. The traveling wind can be taken into the shroud 25 without being affected by the disturbance of the traveling wind.

In addition, this invention is not limited to the said embodiment, For example, the left and right inner shroud 41 may be provided independently in right and left. The shroud 25 may be provided on only one of the left and right instead of the left and right pair.
The saddle riding type vehicle includes all vehicles on which the driver rides across the vehicle body, and includes not only motorcycles (including motorbikes and scooter type vehicles), but also three-wheelers (in addition to front and rear two wheels). , Including two front wheels and one rear wheel vehicle) or four wheel vehicles.
And the structure in the said embodiment is an example of this invention, A various change is possible in the range which does not deviate from the summary of the said invention.

1 Motorcycle (saddle-ride type vehicle)
DESCRIPTION OF SYMBOLS 5 Body frame 16 Fuel tank 21 Engine 23b Cylinder head 25 Shroud 31 Outer shroud 36 Introduction wall 37 First ventilation path 41 Inner shroud 42 Partition wall part 42a First side wall part 42b Second side wall part 42d Fastening part (fixing part)
44 Second ventilation path 45 Louver 46b Front wall part (attachment part)

Claims (9)

In the wind guide structure of the saddle-ride type vehicle (1) provided with the shroud (25) covering a part of the vehicle body,
The shroud (25) includes an outer shroud (31) disposed outside the vehicle body and an inner shroud (41) disposed inside the vehicle body,
Between the outer shroud (31) and the inner shroud (41), a first ventilation path (37) for guiding traveling wind to the cylinder head (23b) side of the engine (21) supported on the vehicle body frame (5) is formed. And
The inner shroud (41) has a second ventilation path (44) that is aligned with the first ventilation path (37) in the vehicle width direction and guides the traveling wind to the cylinder head (23b) side of the engine (21). Formed,
The inner shroud (41) has a partition wall (42) that partitions the first ventilation path (37) and the second ventilation path (44),
The partition wall (42) includes a first side wall (42a) facing the first ventilation path (37) and a second side wall (42b) facing the second ventilation path (44). A wind guide structure for a saddle-ride type vehicle.   The front end portion of the outer shroud (31) has an introduction wall (36) that is continuously connected in front of the first side wall portion (42a) and guides the traveling wind to the first ventilation passage (37). The wind guide structure of a saddle-ride type vehicle according to claim 1,   The wind guide for a saddle-ride type vehicle according to claim 2, wherein the partition wall (42) is disposed behind the introduction wall (36) and overlaps the introduction wall (36) in a front view. Part structure.   The said partition wall part (42) is formed so that said 1st side wall part (42a) and said 2nd side wall part (42b) may be turned up, and it opens toward the vehicle front, From Claim 1 characterized by the above-mentioned. The wind guide structure of the saddle-ride type vehicle according to any one of claims 3 to 4.   The wind guide for a saddle-ride type vehicle according to any one of claims 1 to 4, wherein the inner shroud (41) includes a louver (45) that forms the second ventilation path (44). Part structure.   The inner shroud (41) is arranged so that the inner and outer surfaces of the folded shape of the partition wall portion (42) are parallel or have a predetermined draft with respect to the die-cutting direction parallel to the louver (45). The wind guide structure of a saddle-ride type vehicle according to claim 5.   The inner shroud (41) is provided in a pair on the left and right sides, and is provided integrally on the left and right, and a mounting portion (46b) for the vehicle body frame (5) is provided at the center in the left-right direction of the inner shroud (41). The wind guide structure for a saddle-ride type vehicle according to any one of claims 1 to 6, wherein   The partition wall part (42) is longer in the vertical direction than the first ventilation path (37), and a fixing part (42d) for fixing the outer shroud (31) is provided on the partition wall part (42). The wind guide structure of a saddle-ride type vehicle according to any one of claims 1 to 7, wherein   The front end of the shroud (25) is located in front of the vehicle with respect to the front end of a fuel tank (16) disposed above the engine (21). The wind guide structure of the saddle-ride type vehicle according to the item.

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