JP2017165387A - Radiator shroud for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a radiator shroud for a vehicle capable of efficiently discharging air in a shroud to reduce air resistance on the shroud surface.SOLUTION: There is provided a radiator shroud for a vehicle, the radiator shroud having a shroud member 100 disposed on the right and left in the vehicle width direction for introducing traveling wind to a radiator 35 disposed at the front downward of a fuel tank 16 of a motorcycle 1. The shroud member 100 is supported to the vehicle body by a rear support portion 108 positioned in front of the fuel tank 16 and a front support portion 101 supported at the front side of the radiator 35. A slit 102 as a through hole is provided so as to include an outermost portion M which most protrudes in the vehicle width direction and is formed between the rear support portion 108 and the front support portion 101, and a guide wall 203 is provided which is erected in the inner side in the vehicle width direction along the rear end edge of the slit 102. The guide wall 203 is provided to a side cowl 200 which is fastened together with the rear support portion 108 of the shroud member 100.SELECTED DRAWING: Figure 5

Description

   The present invention relates to a radiator shroud of a vehicle, and more particularly to a radiator shroud of a vehicle that improves the cooling efficiency of the radiator by adjusting the flow of traveling wind.

   2. Description of the Related Art Conventionally, a radiator shroud provided around a radiator is known in order to efficiently apply traveling wind to a radiator that dissipates engine coolant. Since such a radiator shroud becomes a relatively large exterior part surrounding the radiator, it is necessary to design in consideration of the air resistance of the air flowing along the outer surface of the radiator shroud.

   In Patent Document 1, a plurality of slits for discharging the air in the shroud to the rear in the vehicle width direction are provided on the rear side of the radiator shroud, and the air flowing along the outer surface of the shroud is separated by the discharged air. A radiator shroud of a motorcycle that reduces resistance is disclosed.

JP 2014-1225012 A

   However, in the radiator shroud disclosed in Patent Document 1, since the air discharge slit is not arranged at the outermost part in the vehicle width direction, the effect of reducing the air resistance cannot be obtained in this portion. Moreover, there is still room for improvement regarding not only the position of the slit but also the structure that can further reduce the air resistance.

   An object of the present invention is to solve the above-mentioned problems of the prior art and to provide a radiator shroud for a vehicle that can efficiently discharge air in the shroud and reduce air resistance on the surface of the shroud.

   In order to achieve the above-mentioned object, the present invention is disposed on the left and right sides in the vehicle width direction in order to introduce the traveling wind into the radiator (35) disposed on the front lower side of the fuel tank (16) of the vehicle (1). In a radiator shroud of a vehicle having a shroud member (100), the shroud member (100) is supported in front of the rear support portion (108) located in the front portion of the fuel tank (16) and the radiator (35). The outermost portion (M) that is most protruded in the vehicle width direction is formed between the rear support portion (108) and the front support portion (101), and is supported by the vehicle body by the front support portion (101). A slit (102) as a through hole is provided so as to cover the outermost part (M), and a guide wall (203) is provided to stand inward in the vehicle width direction along the rear edge of the slit (102). There is first characterized in that.

   In addition, a rear cowl (108) is fastened to the rear end of the shroud member (100), and a side cowl (200) that forms a continuous surface with the shroud member (100) is provided. A second feature is that the guide wall (203) is provided at the front end of the side cowl (200).

   The slit (102) is vertically long in the vertical direction of the vehicle body, and its upper part is curved inward in the vehicle width direction. The rear support (108) is formed by the fuel tank (16). ) And a ceiling wall (107) that is bent inward in the vehicle width direction is formed at the upper end of the shroud member (100), and the above-mentioned rear side of the vehicle body from the slit (102) A third feature is that the upper surface opening (106) is formed in the ceiling wall (107).

   The front support portion (101) has a fourth feature in that the front support portion (101) is disposed at a position overlapping the headlight (8) of the vehicle (1) in the longitudinal direction of the vehicle body.

   Further, a second slit (601 (113), elongate vertically) along the radiator (35) at a position below the slit (102) in the vehicle body and outside the radiator (35) in the vehicle width direction. 602 (114)) is formed, and a second guide wall (612, 614) is provided on the inner side in the vehicle width direction along the rear edge of the second slit (601 (113), 602 (114)). And is inclined inward in the vehicle width direction toward the rear of the vehicle body so that the air that has passed through the radiator (35) is discharged behind the second slits (601 (113), 602 (114)). A fifth feature is that a side opening (90) is formed.

   According to the first feature, the shroud member (100) includes a rear support part (108) located in the front part of the fuel tank (16) and a front support part (101) supported in front of the radiator (35). The outermost portion (M) that protrudes most in the vehicle width direction is formed between the rear support portion (108) and the front support portion (101), and the outermost portion (M) In this way, the slit (102) as a through hole is provided, and the guide wall (203) standing up inward in the vehicle width direction along the rear edge of the slit (102) is provided. When the air passing inside hits the guide wall, it can be positively discharged from the slit to the outside in the vehicle width direction. Thereby, peeling of the air which flows along the outermost surface of a shroud member is promoted, and the air resistance by running wind can be reduced. In addition, by fixing the shroud member to the vehicle body with support portions separated in the longitudinal direction of the vehicle body, it becomes possible to prevent deformation of the shroud member due to traveling wind without increasing the rigidity of the shroud member, and to reduce the weight of the shroud member. be able to.

   According to the second feature, the side cowl (100) which is fastened together with the rear support portion (108) to the rear end portion of the shroud member (100) and forms a continuous surface with the shroud member (100). 200), and the guide wall (203) is provided at the front end of the side cowl (200), so that the guide wall is a separate part from the shroud member, so that the plate can be removed from the flat portion of the shroud member. There is no need to stand up a wall in the shape, and the shape of the resin molding die can be simplified. Further, by fixing the shroud member and the side cowl together, the positional accuracy between the slit and the guide wall can be increased.

   According to the third feature, the slit (102) has a vertically long shape in the vertical direction of the vehicle body, and an upper portion thereof is curved inward in the vehicle width direction, and the rear support portion (108) is formed. A ceiling wall (107) that is bent inward in the vehicle width direction is formed at the upper end of the shroud member (100), and is provided at the front portion of the fuel tank (16). Since the upper surface opening (106) is formed in the ceiling wall (107) on the rear side of the vehicle body, traveling wind flowing inside the shroud member above the slit is discharged upward from the upper surface opening. Can do. Thereby, the air inside the shroud member can be efficiently discharged so as not to directly hit the driver, and the operability of the vehicle body at the time of high speed traveling can be improved. Moreover, in the vehicle provided with the wind screen in front of the fuel tank, an effect of reducing the negative pressure generated on the back side of the screen can be obtained.

   According to the fourth feature, since the front support portion (101) is disposed at a position overlapping the headlight (8) of the vehicle (1) in the vehicle body front-rear direction, the front support portion and the rear support portion. By widening the interval, the shroud member can be stably supported on the vehicle body.

According to the fifth feature, the second slit elongated in the vertical direction along the radiator (35) at a position below the slit (102) in the vehicle body and outside the radiator (35) in the vehicle width direction. (601 (113), 602 (114)) is formed, and a second guide is erected on the inner side in the vehicle width direction along the rear edge of the second slit (601 (113), 602 (114)). A wall (612, 614) is provided, and the vehicle passes toward the rear of the vehicle body so that the air that has passed through the radiator (35) is discharged behind the second slits (601 (113), 602 (114)). Since the side opening (90) that is inclined inward in the width direction is formed, the traveling wind passing between the radiator and the inner wall of the shroud member is discharged from the second slit to the outside in the vehicle width direction, and thus passes through the radiator. did Wind prevents that prevents discharged from the side aperture can be discharged efficiently heat inside the shroud member.
It is possible to

1 is a right side view of a motorcycle. FIG. 2 is a partially enlarged view of FIG. 1. 1 is a front view of a motorcycle. It is the IV-IV sectional view taken on the line of FIG. FIG. 3 is a partially enlarged view of FIG. 2. Fig. 2 is an enlarged plan view around a handle of a motorcycle. It is a right view of the right side cowl. It is a front view (vehicle body front view) of the right side cowl. It is a right view of the right shroud member. It is a front view (vehicle body front view) of the right shroud member. It is the XI-XI sectional view taken on the line of FIG. It is a right view of the right decorative member. It is a front view (vehicle body front view) of the right decorative member. It is sectional drawing of the 2nd slit part of the vehicle width direction left side. It is the XV-XV sectional view taken on the line of FIG.

   Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a right side view of a motorcycle 1 according to an embodiment of the present invention. The motorcycle 1 is an off-road straddle-type vehicle that travels by transmitting a driving force of an engine 30 as a power source to a rear wheel WR.

   A head pipe 15 that pivotally supports a steering stem (not shown) is provided at the front end of the body frame 17. A pair of left and right front forks 4 that rotatably support the front wheel WF are supported by a top bridge 12 and a bottom bridge 9 that are fixed to the steering stem above and below the head pipe 15. A brake disc 3 and a brake caliper 2 are disposed on the left side of the front wheel WF in the vehicle width direction. A pair of left and right rearview mirrors 13 are attached to the steering handle 14 fixed to the top bridge 12.

   The engine 30 is disposed at a lower portion of the vehicle body frame 17, and a pivot that pivotally supports a front end portion of a swing arm 26 that rotatably supports the rear wheel WR at a lower rear end portion of the vehicle body frame 17. 27 is disposed. The front side of the swing arm 26 is suspended from the vehicle body frame 17 by a rear cushion 29. Below the pivot 27, a pair of left and right footrest steps 28 are attached. A brake disc 700 and a brake caliper 24 are disposed on the right side of the rear wheel WR in the vehicle width direction.

   In front of the steering handle 14 are a headlight 8 fixed to the head pipe 15 side, a pair of left and right turn signal devices 7, a meter device 11 for displaying information such as a speedometer and a distance meter, and the surroundings of the headlight 8. A covering large screen 10 is provided. A front fender 5 fixed to the front fork 4 is disposed below the winker device 7. A pair of left and right side reflectors 6 are attached to the left and right of the front fender 5 in the vehicle width direction.

   A fuel tank 16 fixed to the vehicle body frame 17 is disposed between the steering handle 14 and the seat 19. A side cowl 18 is disposed below the seat 19, and a seat cowl 20 is disposed behind the seat 19. At the rear of the seat cowl 20, a tail lamp device 21 and a pair of left and right rear turn signal devices 7 are disposed. A rear device 500 including a rear fender and a rear side reflector 22 is disposed below the taillight device 21. The combustion gas of the engine 30 is discharged from the muffler 23 on the right side in the vehicle width direction.

   A pair of left and right shroud members 100 constituting a radiator shroud are disposed outside the front fork 4 in the vehicle width direction. A pair of left and right side cowls 200 as a first cover member are connected to the rear portion of the shroud member 100. The lower end portion of the side cowl 200 is connected via an under cowl 400 as a second cover member located at the center in the vehicle width direction. A front lower cowl 300 as a third cover member located at the center in the vehicle width direction is connected to the front end of the under cowl 400. Both ends of the front lower cowl 300 on the outer side in the vehicle width direction are connected to the side cowl 200, respectively. The shroud member 100, the side cowl 200, the under cowl 400, and the front lower cowl 300 can each be formed of a hard resin or the like.

   FIG. 2 is a partially enlarged view of FIG. The front side of the shroud member 100 is supported on the vehicle body side by the front support portion 101. The lower side of the shroud member 100 is supported on the vehicle body side by a lower support portion 603. On the rear side of the shroud member 100, a slit 102 as a vertically long through hole and second slits 601 and 602 are formed. The second slits 601 and 602 are located on the side of the radiator 35.

   The portion where the second slits 601 and 602 are formed is configured by a decorative member 600 that is superimposed on the outer side in the vehicle width direction of the shroud member 100 in which a through hole having the same shape as the second slits 601 and 602 is formed. . The rear end edge of the decorative member 600 is separated from the front end edge of the side cowl 200, thereby forming a side opening 90 for discharging hot air that has passed through the radiator 35 to the outside. An opening cover 32 is provided above the side opening 90.

   The upper part of the side cowl 200 is connected to the shroud member 100 behind the slit 102. The rear portion of the side cowl 200 is supported on the vehicle body side by side cowl support portions 201 and 202.

   The front lower cowl 300 is provided with a pair of left and right upper fastening portions 301 and a lower side fastening portion 302. The upper side fastening part 301 is fastened together with the side cowl 200, while the lower side fastening part 302 is fastened together with the side cowl 200 and the under cowl 400.

   The front lower cowl 300 covers the front surface of the crankcase 30 a of the engine 30. The under cowl 400 has a function of covering the lower surface of the crankcase 30a and protecting the exhaust pipe 40.

   FIG. 3 is a front view of the motorcycle 1. 4 is a cross-sectional view taken along line IV-IV in FIG. The screen 10 also functions as a front cowl that covers the asymmetrical headlight 8. An electrical component box 50 that houses a plurality of electrical components is disposed below the headlight 8. A knuckle guard 34 is provided at a grip portion of the steering handle 14, and an ETC vehicle-mounted device 33 is attached to the right steering handle 14.

   The pair of left and right shroud members 100 and the side cowl 200 have only the shape of the attachment portion or the like corresponding to the shape of the auxiliary machinery, and the surface side has a symmetrical shape. The radiator 35 is disposed inside the left shroud member 100L. On the front side of the radiator 35, a louver 36 that guides the traveling wind introduced from the outside of the front fork 4 to the front of the radiator 35 is disposed. Inside the right shroud member 100R, a cooling water tank 53 having a water supply cap 51, a regulator 52, and an ABS modulator 55 are arranged in this order from the outside in the vehicle width direction. These vehicle body front sides are covered with an inner cowl 54. A horn 39 is disposed on the front surface of the inner cowl 54. A punch hole portion 315 for taking in a traveling wind while preventing intrusion of mud or the like is formed in the approximate center of the front lower cowl 300.

   As described above, the front lower cowl 300 is fastened together with the side cowl 200 by the pair of left and right upper joints 301, and is fastened together with the side cowl 200 and the under cowl 400 by the pair of left and right lower joints 302. Yes.

   FIG. 5 is a partially enlarged view of FIG. The slit 102 provided in the upper part on the rear side of the shroud member 100 is formed so as to cover the outermost part M of the shroud member 100 that protrudes most in the vehicle width direction. The rear end portion of the shroud member 100 and the front end portion of the side cowl 200 are partitioned by a joining line 56 in appearance. However, on the back surface side of the shroud member 100, the overlap margin portion 204 extending from the front end of the side cowl 200 is configured to extend to the vicinity of the rear end edge of the slit 102.

   FIG. 6 is an enlarged plan view around the handle of the motorcycle 1. A key cylinder 57 of an ignition switch is disposed between the steering handle 14 and the meter device 11. On the right side of the steering handle 14, a right handle switch 60, a throttle grip 59, and a front wheel brake lever 58 are attached. On the other hand, on the left side of the steering handle 14, a left handle switch 63, a handle grip 62, and a clutch lever 61 are attached. A fuel cap 64 with a key cylinder is provided on the upper surface of the fuel tank 16.

   As shown in FIG. 2, the front side of the shroud member 100 is supported by the front support portion 101. On the other hand, the rear side of the shroud member 100 is supported by a rear support portion 108 on the rear side of the vehicle body from the steering handle 4. The rear support portion 108 located at the front end portion of the fuel tank 16 is provided on a ceiling wall 107 that bends and extends inward in the vehicle width direction from the upper end portion of the shroud member 100. An upper surface opening 106 with a louver is provided outside the rear support 108 in the vehicle width direction.

   The upper surface opening 106 is located above and behind the slit 102 (see FIGS. 2 and 5). Thereby, the traveling wind that flows inside the shroud member 100 above the slit 102 can be discharged upward from the upper surface opening 106 so as not to directly hit the driver. Further, by discharging the air inside the shroud member 100, the operability of the vehicle body at the time of high speed traveling is improved and the negative pressure generated on the rear side of the screen 10 is also reduced.

   Since the shroud member 100 is supported by the vehicle body by the front support portion 101 and the rear support portion 108 that are separated from each other in the longitudinal direction of the vehicle body, the shroud member 100 is lightweight while preventing the shroud member 100 from being deformed by traveling wind without increasing the rigidity of the shroud member 100. Can be achieved.

   7 is a right side view of the right side cowl 200, and FIG. 8 is a front view of the same (front view of the vehicle body). The upper part 207 of the side cowl 200 covers a range from the lower part of the fuel tank 16 to the vehicle body frame 17, and a design is provided so that the vehicle body frame 17 can be seen more by the punching portion 212 toward the vehicle body front side. Positioning plates 209 and 211 that engage with the front end of the side cowl 18 and a boss 210 that constitutes the side cowl support 201 are provided at the rear end of the upper portion 207.

   At the front end portion of the upper portion 207, an overlap margin portion 204 that is hidden inside the shroud member 100 is provided. A through-hole 215 through which a fastening member passes is provided in the ceiling wall 206 of the overlap portion 204. In addition, a guide wall 203 that changes the direction of the traveling wind is provided at the front end of the overlap portion 204 in order to effectively exhaust the traveling wind from the front of the vehicle body through the slit 102.

   A middle portion 214 projecting rearward from the bottom portion 212 of the side cowl 200 is formed so as to cover from the crankcase 30a to the cylinder head except for the circular crankcase cover. The middle portion 214 is provided with a boss 213 that constitutes the side cowl support portion 202.

   A lower portion 219 that extends forward and downward from the middle portion 214 is provided with a mounting stay 220 that is coupled to the lower end portion of the shroud member 100. Engaging claws 216 and 217 that engage with the under cowl 400 are provided at the lower end of the lower portion 219. Between the mounting stay 220 and the engaging claws 216 and 217, an upper receiving portion 223 that constitutes the upper joint fastening portion 301 is provided at an edge portion on the lower front side of the vehicle body. The upper receiving portion 223 has a shape bent from the front end portion of the lower portion 219 toward the vehicle body center side. A clip nut 610 as an engaging member in which a female screw is formed is attached to the center of the upper receiving portion 223.

   A lower receiving portion 218 is provided below the upper receiving portion 223 as a receiving portion constituting the lower side fastening portion 301. The lower receiving portion 218 with which the clip nut 610 is engaged is provided at the tip of the extending portion 250. The extending portion 250 has a shape that greatly extends from the front end portion of the lower portion 219 toward the center of the vehicle body.

   FIG. 9 is a right side view of the right shroud member 100, and FIG. 10 is a front view of the same (a front view of the vehicle body). A boss 103 having a through hole 104 and constituting the front support portion 101 is formed at the front end portion of the upper portion 105 of the shroud member 100. In addition, a through-hole 120 constituting the rear support portion 108 is formed in the ceiling wall 107 located above the slit 102.

   The slit 102 formed on the rear side of the upper portion 105 is formed so as to cover the outermost part M (see FIGS. 5 and 10) located between the front support part 101 and the rear support part 108. Then, when the shroud portion 100 and the side cowl 200 are connected, the guide wall 203 is erected on the inner side in the vehicle width direction along the rear end edge of the slit 102.

   By providing the guide wall 203, the air passing through the inside of the shroud member 100 hits the guide wall 203 and is easily changed in the vehicle width direction outside. Thus, the air can be positively discharged from the slit 102 to the outside in the vehicle width direction, and the air flowing along the outermost surface M of the shroud member 100 is promoted to be peeled, thereby reducing the air resistance due to the traveling wind. It becomes possible.

   The guide wall 203 is provided not at the shroud member 100 but at the front end of the side cowl 200. As a result, the guide wall 203 becomes a separate part from the shroud member 100, and it is not necessary to erect a plate member from the flat portion of the shroud member 100, and the shape of the resin mold can be simplified and the manufacturing cost can be reduced. Further, by fixing the shroud member 100 and the side cowl 200 together, the positional accuracy between the slit 102 and the guide wall 203 can be improved.

   Referring to FIG. 9, a mating surface portion 109 to which the decorative member 600 is attached is provided on the rear side of the middle portion 115 of the shroud member 100. In the mating surface portion 109, through holes 113 and 114 having substantially the same shape as the second slits 601 and 602 formed in the decorative member 600 are formed. When the decorative member 600 is attached to the mating surface portion 109, the two flat portions are brought into contact with each other, and the second slits 601 and 602 communicate with the through holes 113 and 114.

   In this embodiment, the second slits 601 and 602 (through holes 113 and 114) are also provided with the second guide walls 612 and 614 for changing the direction of the traveling wind similarly to the guide wall 203. The second guide walls 612 and 614 are formed on the back side of the decorative member 600.

   In the vicinity of the lower end portion of the mating surface portion 109, a boss 112 having a through hole 111 and constituting a lower support portion 603 (see FIG. 2) is provided. Further, engaging portions 116 and 117 that engage with the mounting stays 220 of the side cowl 200 are formed on the lower portion 118 of the shroud member 100.

   11 is a cross-sectional view taken along line XI-XI in FIG. The electrical component box 50 disposed on the vehicle body lower side of the headlight 8 is supported on the vehicle body side via a stay extending forward from the head pipe 15. The front support portion 101 of the shroud member 100 is configured by a stay 65 that is connected to the electrical component box 50 and extends outward in the vehicle width direction. The electrical component box 50 also supports the left and right turn signal devices 7. A steering stem 66 is rotatably supported on the head pipe 15.

   The guide wall 203 extending inward in the vehicle width direction from the rear end edge of the slit 102 is positioned closer to the front of the radiator 35 on the left side in the vehicle width direction, and is positioned between the water supply cap 51 and the regulator 52 on the right side in the vehicle width direction. doing. The left and right guide walls 203 are slightly different from each other along the shape of the auxiliary machinery, but the arrangement of the slits 102 is bilaterally symmetric, and the effects of the guide walls 203 are also exhibited.

   FIG. 12 is a right side view of the right decorative member 600. FIG. 13 is a front view of the same (front view of the vehicle body). Positioning plates 604, 605, 606, 607, and 610 that engage with the shroud member 100 are formed on the front edge of the decorative member 600. A positioning plate 611 that engages with the front end of the side cowl 200 is formed at the upper rear end of the decorative member 600. In the vicinity of the lower end portion of the decorative member 600, a boss 608 having a through hole 609 and constituting a lower support portion 603 (see FIG. 2) is provided.

   Note that the second guide wall 203 according to the present embodiment is provided over the entire rear edge in the lower second slit 602, but in a position closer to the lower side in the upper second slit 601. Only provided. This corresponds to the design that the upper part of the upper second slit 61 is curved toward the upper side of the vehicle body, and the guide wall standing on the flat part is only a linear part, so that the manufacturing cost and the assembly are easy. This is to ensure the sex.

   FIG. 14 is a cross-sectional view of the second slit 602 portion on the left side in the vehicle width direction. A louver 36 is disposed close to the front surface side of the radiator 35, and an electric fan 58 is disposed close to the rear surface side of the radiator 35.

   As described above, at the rear of the second slits 601 and 602, the side opening 90 is inclined inward in the vehicle width direction toward the rear of the vehicle body so that the air that has passed through the radiator 35 is discharged (see FIG. 2). Is formed. Here, when the second guide walls 612 and 614 are not provided in the second slits 601 and 602, the amount of air flowing inside the shroud member 100 flows through the second slits 601 and 602 and flows rearward of the vehicle body. Will increase. Then, the flow toward the rear of the vehicle body interferes with the flow of warm air that has cooled the radiator 35, and the efficiency of discharge from the side openings 90 is lowered.

   In the present embodiment, by providing the second guide walls 612 and 614, the air W1 flowing inside the shroud member 100 is discharged in the vehicle width direction to reduce the air resistance on the surface side of the shroud member 100 and to the side. The flow of warm air W2 discharged from the opening 90 to the rear side of the vehicle body can also be made smooth.

   15 is a cross-sectional view taken along line XV-XV in FIG. The fuel tank 16 is rubber-mounted on the vehicle body frame 17. Specifically, the cylindrical member 75 is attached to the tip of the stay 70 fixed to the bottom plate 77 of the fuel tank 16, and the cylindrical rubber 74 and the collar member 72 inserted into the cylindrical member 75 are attached to the body frame 17 side by bolts 73. The support portion 76 is configured to be fastened together.

   On the other hand, in the rear support portion 108 of the shroud member 100, the ceiling wall 107 of the shroud member 100 and the ceiling wall 206 provided on the overlap portion 204 of the side cowl 200 are fastened together with a bolt 660 as a fastening member. Yes. The mounting bracket 71 in which the female screw is formed is fixed to the cylindrical member 75 of the rubber mount portion, whereby the rear support portion 108 is connected to the front end portion of the fuel tank 16.

   The form of the motorcycle, the shape of the shroud member, the shape of the side cowl, the under cowl and the front lower cowl, the shape and arrangement of the slit and the second slit, the shape and arrangement of the guide wall and the second guide wall, the structure and number of the fastening members, the bolt The shape of the engaging member, the shape of the boss, etc. are not limited to the above embodiment, and various changes can be made. The cover member of the vehicle according to the present invention is not limited to a motorcycle, and can be applied to various vehicles such as a saddle riding type three / four-wheeled vehicle.

   DESCRIPTION OF SYMBOLS 1 ... Motorcycle (vehicle), 8 ... Headlight, 16 ... Fuel tank, 35 ... Radiator, 50 ... Electrical component box, 90 ... Side opening, 100 ... Shroud member, 101 ... Front support part, 102 ... Slit, 106 ... upper surface opening, 107 ... ceiling wall, 108 ... rear support, 200 ... side cowl, 300 ... front lower cowl, 400 ... under cowl, 203 ... guide wall, 113, 114 (601, 602) ... through hole, 601, 602 (113, 114) ... second slit, 612,614 ... second guide wall, M ... outermost part

Claims (5)

A radiator shroud of a vehicle having shroud members (100) disposed on the left and right in the vehicle width direction for introducing traveling wind to a radiator (35) disposed on the front lower side of a fuel tank (16) of the vehicle (1). In
The shroud member (100) is supported on the vehicle body by a rear support part (108) located in the front part of the fuel tank (16) and a front support part (101) supported in front of the radiator (35),
An outermost portion (M) that protrudes most in the vehicle width direction is formed between the rear support portion (108) and the front support portion (101).
A slit (102) as a through hole is provided so as to cover the outermost part (M),
A radiator shroud for a vehicle, comprising a guide wall (203) erected on the inner side in the vehicle width direction along a rear end edge of the slit (102). The shroud member (100) includes a side cowl (200) which is fastened to the rear end portion of the shroud member (100) by the rear support portion (108) and forms a continuous surface with the shroud member (100).
The radiator shroud of a vehicle according to claim 1, wherein the guide wall (203) is provided at a front end portion of the side cowl (200). The slit (102) has a vertically long shape in the vertical direction of the vehicle body, and an upper portion thereof is curved inward in the vehicle width direction.
The rear support (108) is provided at the front of the fuel tank (16);
A ceiling wall (107) that is bent inward in the vehicle width direction is formed at the upper end of the shroud member (100),
The radiator shroud of a vehicle according to claim 1 or 2, wherein an upper surface opening (106) is formed in the ceiling wall (107) on the rear side of the vehicle body from the slit (102).   The vehicle according to any one of claims 1 to 3, wherein the front support portion (101) is disposed at a position overlapping the headlight (8) of the vehicle (1) in the longitudinal direction of the vehicle body. Radiator shroud. A second slit (601 (113), 602 (602) long in the vertical direction along the radiator (35) at a position below the slit (102) in the vehicle body and outside the radiator (35) in the vehicle width direction. 114)) is formed,
A second guide wall (612, 614) erected inward in the vehicle width direction along the rear end edge of the second slit (601 (113), 602 (114));
A lateral opening that is inclined inward in the vehicle width direction toward the rear of the vehicle body so that the air that has passed through the radiator (35) is discharged behind the second slits (601 (113), 602 (114)). The radiator shroud of a vehicle according to any one of claims 1 to 4, wherein (90) is formed.