JP5373547B2 - Step peripheral structure of saddle riding type vehicle - Google Patents

Description

  The present invention relates to a step peripheral structure of a saddle-ride type vehicle such as a motorcycle.

  2. Description of the Related Art Conventionally, there is a motorcycle in which a side cover is disposed on a side surface of a vehicle body below a seat of a motorcycle and a lower portion of the side cover is extended to the vicinity of a step to improve the appearance of the side surface of the vehicle body (see, for example, Patent Document 1). ).

JP 2005-104313 A

  By the way, in the said conventional structure, the side cover might be damaged by a driver | operator's foot | leg by extending a side cover to the step vicinity. In addition, it is necessary to increase the strength of the side cover in consideration of the interference between the driver's feet and the side cover, which may increase the weight of the side cover. For this reason, there is a demand for a configuration that can reduce the interference between the side cover and the driver's foot even when the side cover is extended to the vicinity of the step.

  Accordingly, an object of the present invention is to reduce the interference between the side cover and the driver's feet even when the side cover is extended to the vicinity of the step in the structure around the step of the saddle-ride type vehicle.

As a means for solving the above problems, the invention described in claim 1 is a seat (for example, saddle riding in the embodiment) that is supported by the body frame (for example, the body frame 5 in the embodiment) and on which the driver and the rear passenger sit down. A seat 21), a driver step (for example, step 31 of the embodiment) disposed on both sides of the engine (for example, the engine 14 of the embodiment) below the seat, and below the seat and above the step In the step peripheral structure of a saddle-ride type vehicle (for example, the motorcycle 1 of the embodiment) including a side cover (for example, the side cover 25 of the embodiment) that covers at least a part of the vehicle body frame from the side, A tandem step bracket (e.g., the tandem step bracket of the embodiment) that supports a tandem step for the user (e.g., the tandem step 32 of the embodiment). Comprising a bracket 41), said tandem step bracket of the step is fixed to the body frame so as to be continuous to the rear of the engine at the rear, the said tandem step bracket, the driver's foot placed on the step An upper projecting portion (for example, the upper projecting portion 54 of the embodiment ) that is a heel plate that contacts the periphery of the heel from the inner side in the vehicle width direction and covers the lower portion of the side cover from the outer side projects upward from the front end portion of the tandem step bracket. It is characterized by being provided.
Incidentally, the A saddle type vehicle is a concept including a general vehicles to ride astride the vehicle body, Miwa not only motorcycles (including bicycles motorized) (before one wheel, after addition prior two-wheel motorcycle, The concept also includes a vehicle with one rear wheel) or a vehicle with four wheels.
The invention described in claim 2 is characterized in that a gap (for example, a gap S in the embodiment) is formed in the vehicle width direction between the side cover and the upward projecting portion.
According to a third aspect of the present invention, a cylinder (for example, the cylinder 16 of the embodiment) is tilted forward in front of the side cover and the tandem step bracket, and a crankcase (for example, the embodiment of the embodiment) extends rearward below the cylinder. An engine having a crankcase 15) (for example, the engine 14 of the embodiment) is disposed, and an upper surface and a rear surface of the crankcase form a curved surface (for example, the curved surface 15a of the embodiment) that is continuous in an arc shape when viewed from the side of the vehicle. The gap is arranged behind the curved surface.
In the invention described in claim 4, an exhaust purification device (for example, the exhaust catalyst 17b of the embodiment) provided in the exhaust pipe (for example, the exhaust pipe 17 of the embodiment) extending from the cylinder is disposed below the gap. It is characterized by.
According to a fifth aspect of the present invention, a master cylinder (for example, the master cylinder 61 of the embodiment) of the hydraulic braking device is disposed on the inner side in the vehicle width direction of the tandem step bracket, and the brake fluid storage is connected to the master cylinder. The reserve tank (for example, the reserve tank 66 of the embodiment) is disposed on the inner side in the vehicle width direction of the side cover, and the master cylinder and the reserve tank are placed at a position where the side cover and the upper protruding portion overlap each other when viewed from the side of the vehicle. A pipe to be connected (for example, the pipe 67 in the embodiment) is arranged.
According to a sixth aspect of the present invention, the side cover overlaps with the upper projecting portion in a side view of the vehicle so as to extend in parallel with an edge of the upper projecting portion (for example, the front edge 56 of the embodiment). A step portion (for example, a ridge line portion 59a in the embodiment) that is offset inward in the vehicle width direction is formed.
The invention described in claim 7 is characterized in that a support stay for the side cover (for example, the support stay 68 of the embodiment) is provided on the inner side in the vehicle width direction of the tandem step bracket.

According to the first aspect of the present invention, since the interference between the driver's foot and the side cover can be avoided by the upward projecting portion of the tandem step bracket that is a strength member, the side cover is damaged without increasing the number of parts. Can be prevented and the weight can be reduced.
According to the second aspect of the present invention, the turbulence such as the entanglement of the traveling wind that flows on the surface of the side cover is suppressed, and the traveling wind is caused to flow backward also on the inner side in the vehicle width direction of the driver's foot. The rectifying effect of the traveling wind can be enhanced.
According to the invention described in claim 3, the traveling wind that has passed around the cylinder of the engine can be guided to the gap by using the curved surface of the crankcase, and the cooling effect of the engine can be improved by enhancing the exhausting effect of the traveling wind. Can be improved.
According to the fourth aspect of the present invention, the hot air of the exhaust purification device that is relatively hot can be discharged upward from the gap, and the cooling performance of the exhaust purification device can be improved.
According to the fifth aspect of the present invention, the turbulence of the traveling wind due to the brake pipe can be suppressed by the side cover and the tandem step bracket. In addition, because the brake piping can be protected by the side cover and the step bracket, it can be placed close to the outside in the vehicle width direction inside the side cover, improving the degree of freedom in handling the piping, and at the inside in the vehicle width direction of the piping. Arrangement space for other parts can be secured.
According to the invention described in claim 6, it is possible to improve the appearance by creating a sense of unity between the side cover and the upper protruding portion, and it is easy to ensure a gap between the side cover and the upper protruding portion. The rectification effect of the surrounding traveling wind can be further enhanced.
According to the seventh aspect of the invention, since the side cover and the tandem step bracket are close to each other, the length of the support stay for the side cover can be shortened, and the side cover can be supported with a lightweight structure.

1 is a right side view of a motorcycle according to an embodiment of the present invention. It is a principal part enlarged view of FIG. FIG. 3 is a front view of the vicinity of a right step of the motorcycle. It is a rear view around the right step. It is a bottom view around the right step. It is a perspective view around the right step. It is a right view which shows the said right step and the right side cover periphery.

  Embodiments of the present invention will be described below with reference to the drawings. In the following description, the directions such as front, rear, left and right are the same as those in the vehicle unless otherwise specified. In the figure, the arrow FR indicates the front of the vehicle, the arrow LH indicates the left side of the vehicle, and the arrow UP indicates the upper side of the vehicle.

  In the motorcycle (saddle-type vehicle) 1 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 part of each front fork 3 is pivotally supported by the head pipe 6 at the front end of the vehicle body frame 5 via the steering stem 4 so as to be steerable. A front wheel steering handle 7 is attached to the upper portion of the steering stem 4. The rear wheel 8 of the motorcycle 1 is pivotally supported on the rear end portion of the swing arm 9. The front end of the swing arm 9 is pivotally supported by the pivot bracket 11 at the vehicle body front-rear intermediate portion so as to be swingable up and down.

  The body frame 5 mainly includes a main frame 12 that extends downward from the upper portion of the head pipe 6 and then bends downward. The pivot bracket 11 is integrally provided below the rear portion of the main frame 12. From the lower part of the head pipe 6, the down frame 13 extends obliquely rearward and downward. A hanger bracket 13 a integrally provided at the lower portion of the down frame 13 supports the front end portion of the crankcase 15 of the engine 14 mounted inside the vehicle body frame 5. Meanwhile, the rear end portion of the crankcase 15 is supported by the pivot bracket 11.

  The engine 14 is configured by standing a cylinder 16 in a slightly forward tilt posture on the front portion of the crankcase 15. An exhaust pipe 17 is connected to the front portion of the cylinder 16, and the exhaust pipe 17 is curved so as to pass through the front and the lower side of the crankcase 15 and is connected to a silencer 17 a disposed on the right side of the rear part of the vehicle body. A fuel supply device 18 such as a carburetor or a throttle body is connected to the rear portion of the cylinder 16, and an air cleaner box 18 a is connected to the rear of the fuel supply device 18.

  In the figure, reference numeral 19 denotes a seat frame connected to the rear of the vehicle body frame 5, reference numeral 21 denotes a saddle seat for a passenger seat supported on the seat frame 19, and reference numeral 22 denotes a vehicle body frame in front of the seat 21. 5, a reference numeral 23 denotes a rear cushion interposed between the vehicle body frame 5 and the swing arm 9, a reference numeral 24 denotes a front side cover attached to both sides of the front of the vehicle body, and a reference numeral 25 denotes Side covers attached to both sides of the vehicle body front and rear intermediate portion, reference numeral 38 denotes a sub-side cover connected to the rear of the side cover 25, reference numeral 26 denotes a rear side cover connected to the rear of the sub-side cover 38, and reference numeral 27 denotes a front portion of the vehicle body. Each front cowl is shown.

  The saddle riding seat 21 has seating surfaces 28 and 29 for the driver and the rear passenger integrally in front and rear. Left and right steps 31 for the driver are located diagonally forward and downward of the front part (front seating surface 28) of the seat, and the rear part of the rear part (rear seating surface 29) of the seat is diagonally forward and downward and diagonally rearward and upward of step 31. Left and right tandem steps 32 for passengers are located.

Below the front part of the saddle riding seat 21 and above the left and right steps 31, left and right side covers 25 are provided so as to cover the periphery of the rear part of the main frame 12 of the body frame 5 from the side.
Hereinafter, a description will be given by taking the periphery of the side cover 25 on the right side of the vehicle body as an example, but the left side of the vehicle body also has the same configuration.

  2 and 7, the side cover 25 has an upper edge 33 along the lower edge 28a of the front part of the saddle riding seat 21 in a side view of the vehicle (hereinafter also referred to as a side view), A rear rising lower edge 34 that is spaced apart below the upper edge 33 and front and rear edges 35 and 36 extending upward from the front and rear ends of the lower edge 34 are formed.

  The front edge 35 tilts forward so that the upper side is located on the front side, and the rear edge 36 tilts rearward so that the upper side is located on the rear side. The upper end of the front edge 35 and the front end of the upper edge 33 are spaced apart from each other, and the front extending portion that extends forward in a tapered triangle shape along the lower edge of the front lower portion of the rear portion of the fuel tank 22 is formed in the portion. 37 is provided. Such a side view shape of the side cover 25 is formed by a plate-like side wall 25a substantially orthogonal to the vehicle width direction (left-right direction) in the side cover 25 (see FIG. 6).

  Note that the rear edge 36 of the side cover 25 overlaps the front edge 38a of the sub-side cover 38 having a substantially triangular shape in side view in side view. The sub-side cover 38 includes a front edge 38a, an upper edge 38b along a lower edge 28b of the front and rear intermediate portion of the saddle riding seat 21, and a rear end and a front edge 38a of the upper edge 38b. A trailing edge 38c extending between the lower ends is formed. The side cover 25 and the sub-side cover 38 are resin molded products that are individually integrally molded.

  The step 31 is disposed below and in front of the lower edge 34 of the side cover 25. A front portion 41 a of a tandem step bracket 41 for supporting the tandem step 32 is disposed immediately below the lower edge 34 of the side cover 25 and behind the step 31.

  The tandem step bracket 41 is integrally formed by, for example, casting using an aluminum alloy material, has a substantially triangular shape that is long in the front-rear direction when viewed from the side of the vehicle, and extends rearward from the rear edge 36 of the side cover 25.

  The tandem step bracket 41 has a rear rising upper edge 42 extending substantially parallel to the lower edge 34 of the side cover 25 and a front side with a slight inclination from the rear end of the upper edge 42 in the vehicle side view. And a front edge 44 extending vertically between the front edge of the lower edge 43 and the front edge of the upper edge 42 (in detail, slightly inclined so that the lower side is located on the front side). Form.

  A portion of the lower portion of the tandem step bracket 41 along the front and rear intermediate portion of the lower edge 43 is provided with a lightening portion 45 having an outer portion formed in a concave shape. The lightening portion 45 has a substantially triangular shape that is substantially similar to the outer shape of the tandem step bracket 41 in a side view of the vehicle, and forms a tapered inner peripheral surface 46 and a through hole 47 that penetrates the inside thereof to the left and right. A portion between the front edge 45 a of the lightening portion 45 and the front edge 44 of the tandem step bracket 41 is a front portion 41 a of the tandem step bracket 41.

  An upper fixing portion 48a is provided on the upper side of the front end of the tandem step bracket 41. The upper fixing portion 48a is fixed to the left and right outer sides of the upper and lower intermediate portions of the pivot bracket 11. A lower fixing portion 48b fixed to the left and right outer sides is provided. The upper fixing portion 48a is fastened and fixed to the pivot bracket 11 with a bolt as a swing shaft (pivot shaft 9a), for example, via the front end portion of the swing arm 9, and the lower fixing portion 48b is, for example, via a collar or the like. It is fastened and fixed to the pivot bracket 11. The front part 41a of the tandem step bracket 41 also functions as a rigidity ensuring member around the pivot shaft 9a.

  On the other hand, a rear support portion 51 is provided at the rear end portion of the tandem step bracket 41 to support the front and rear intermediate portions of the silencer 17a. Further, on the rear side of the upper edge 42 of the tandem step bracket 41, a step support portion 52 that supports the tandem step 32 so as to be tiltable is provided on the outside thereof. Above the step support portion 52, a heel plate 52a that abuts on the foot placed on the tandem step 32 from the inner side in the vehicle width direction is provided.

  Here, referring to FIG. 5, a step support frame 53 that supports the step 31 in a tiltable manner is fixed to the rear side of the lower surface of the crankcase 15 of the engine 14. In addition, illustration of the engine 14 in illustration convenience and FIG. 5 is abbreviate | omitted.

  Referring to FIG. 2, a front portion 41a of the tandem step bracket 41 is positioned immediately behind the step 31, and a plate shape substantially perpendicular to the left-right direction is formed above the front portion 41a of the tandem step bracket 41. An upward projecting portion 54 that projects upward is provided.

  The upper projecting portion 54 includes a lower edge 55 along the upper edge 42 of the tandem step bracket 41, a front edge 56 that extends obliquely upward and rearward from the front end of the lower edge 55, and a little from the upper end of the front edge 56. The upper edge 57 extending obliquely upward and rearward with the inclination relaxed (laid down) and the rear edge of the upper edge 57 extending obliquely upward and rearward from the rear edge of the lower edge 55 with a slight inclination (standing) from the front edge 56 To the trailing edge 58. And the upper part of the upper protrusion part 54 is provided so that it may overlap with the lower rear side of the side cover 25 from the vehicle width direction outer side.

  The upward projecting portion 54 functions as a heel plate that comes into contact with the periphery of the footpad placed on the step 31 from the inner side in the vehicle width direction. The upper protrusion 54 prevents the foot placed on the step 31 from pressing the lower portion of the side cover 25 and scratching or bending it. Hereinafter, the part covered from the outer side in the vehicle width direction by the upper projecting part 54 at the lower part of the side cover 25 may be referred to as a covering part 39.

  As shown in FIGS. 3 and 4, a predetermined gap S is formed in the vehicle width direction between the upper protruding portion 54 and the lower portion of the side cover 25. Due to the gap S, the traveling wind W from the front of the vehicle can pass between the upper protruding portion 54 and the lower portion of the side cover 25.

  Here, referring to FIG. 6, the side cover 25 is formed in a box shape having a side wall 25 a that forms the side view shape, and an outer peripheral wall 25 b that rises inward in the vehicle width direction from the outer periphery of the side wall 25 a. .

  2 and 7, the portion of the side wall 25a of the side cover 25 that extends from the lower edge 34 to the rear edge 36 has an approximately triangular shape in side view and is displaced inward in the vehicle width direction. A portion 59 is formed. The inward displacement portion 59 forms a ridge line portion 59 a that is inclined with respect to the rear edge 36. An upward projecting portion 54 of the tandem step bracket 41 is disposed so as to overlap the lower portion of the inward displacement portion 59 from the outside in the vehicle width direction. Thereby, the gap S between the upper projecting portion 54 and the lower portion of the side cover 25 can be enlarged. The covering portion 39 is indicated by hatching in FIG.

  The front edge 56 of the upper protrusion 54 and the ridge line portion 59a of the inward displacement portion 59 are provided substantially in parallel in a side view, and the rear edge 58 of the upper protrusion 54 and the rear edge of the inner displacement portion (the side cover) The rear edge 36) is provided substantially parallel to the side view (so as to be along each other). Further, the rear edge 58 of the upward projecting portion 54 and the rear edge of the inward displacement portion 59 are connected linearly to the front edge 45a of the lightening portion 45 (the rear edge of the front portion 41a of the tandem step bracket 41) in a side view. It is provided as follows. Thereby, an integrated external appearance of the side cover 25 and the tandem step bracket 41 in the vehicle side view is created, and the appearance around the step 31 is enhanced.

  Referring to FIG. 2, a master cylinder 61 of a rear wheel hydraulic braking device is disposed inside the tandem step bracket 41 on the upper front side in the vehicle width direction. The master cylinder 61 is disposed along the back surface (inner side surface) of the tandem step bracket 41 in a forward tilt posture in which the axis thereof is tilted so as to be positioned on the front side toward the upper side. The upper and lower sides of the front edge portion of the master cylinder 61 are fastened and fixed by bolts or the like that are screwed onto the rear surface of the upper front side of the tandem step bracket 41 from the vehicle width direction inside.

  A piston rod 63 projects from the lower end of the cylinder body 62 of the master cylinder 61, and a rear end portion of the brake pedal 64 is rotatably connected to the lower end portion of the piston rod 63. The brake pedal 64 is supported on the inner side in the vehicle width direction of a pedal support portion 49 provided on the front side of the lower edge 43 of the tandem step bracket 41 so as to be vertically swingable.

  Referring also to FIG. 5, the brake pedal 64 includes a base portion 64 a that is pivotally supported by the pedal support portion 49, and a connection that extends rearward from the base portion 64 a and is connected to the piston rod 63 while being displaced outward in the vehicle width direction. It has an arm 64b, an operating arm 64c extending forward from the base 64a while being displaced outward in the vehicle width direction, and a pedal portion 64d provided at the tip of the operating arm 64c. The operating arm 64c is arranged so as to straddle the exhaust pipe 17 extending back and forth directly below the tandem step bracket 41 from the inner side to the outer side in the vehicle width direction when viewed from below. 2 denotes a brake switch that detects depression of the brake pedal 64.

  Referring to FIG. 2, a reserve tank 66 for storing brake fluid connected to the master cylinder 61 is disposed inside the front portion of the side cover 25 in the vehicle width direction. A pipe 67 that connects the reserve tank 66 and the master cylinder 61 is disposed so as to pass through the inside of the covering portion 39 in the side cover 25 in the vehicle width direction. Specifically, the pipe 67 extends diagonally upward and rearward from the rear side of the intermediate portion of the master cylinder 61 along the rear edge 58 of the upward projecting portion 54, enters the vehicle width direction inner side of the covering portion 39, and extends diagonally upward and forward. After being bent and extended, it is connected to the lower end of the reserve tank 66.

  Further, a lower portion (fixed portion) 68a of a support stay 68 that supports the lower front side of the side cover 25 is fastened and fixed to the fixed portion 41b for the master cylinder 61 on the back surface of the front portion 41a of the tandem step bracket 41.

  3 and 4 together, the support stay 68 is an integral press-formed product made of, for example, a steel plate, and is provided so as to form a strip shape extending vertically. The support stay 68 is formed in a U shape so as to bypass the lower portion 68a along the front edge of the master cylinder 61 and the outer peripheral wall 25b of the lower edge 34 of the side cover 25 from the upper end of the lower portion 68a to the inside in the vehicle width direction. A bent portion 68b extending by bending and a fastening portion 68c extending from the upper end of the bent portion 68b along the inner surface of the side wall 25a on the lower front side of the side cover 25 are formed.

  By this support stay 68, the lower front side of the side cover 25 is firmly supported by the tandem step bracket 41 which is a strength member. Further, the length of the support stay 68 is shortened as compared with the case where the support stay 68 is extended from the pivot bracket 11 positioned on the inner side in the vehicle width direction of the side cover 25 to support the side cover 25, and It becomes easy to secure space. Further, the bent portion 68b of the support stay 68 straddles the lower edge 34 of the side cover 25 so as to circumvent the inner side in the vehicle width direction, so that the flow of the traveling wind W flowing between the upper protruding portion 54 and the lower portion of the side cover 25 is obtained. Is not obstructed, and the support stay 68 becomes inconspicuous between the upper protruding portion 54 and the lower portion of the side cover 25.

  Here, referring to FIG. 7, it can be said that the engine 14 has the crankcase 15 so as to extend rearward from the lower portion of the forwardly inclined cylinder 16. In addition, the crankcase 15 forms an arcuate curved surface 15a that protrudes obliquely upward and rearward in a side view from the upper surface to the rear surface.

  The traveling wind W heated by passing around the cylinder 16 flows curved downward and rearward along the curved surface 15a (see arrow W in the figure). The lower portion of the side cover 25 and the upper protruding portion 54 are located, and the traveling wind W that has flowed obliquely downward and rearward along the curved surface 15 a is the gap between the lower portion of the side cover 25 and the upper protruding portion 54. It will pass through S and flow backward.

  Further, the exhaust pipe 17 extending forward and backward under the tandem step bracket 41 is provided with an exhaust catalyst 17b having a coaxial shape with the exhaust pipe 17. The exhaust catalyst 17 b is located directly below the front portion 41 a of the tandem step bracket 41 and is located below the gap S between the upper protrusion 54 and the side cover 25. During the operation of the engine 14, the exhaust catalyst 17b is heated to a predetermined reaction acceleration temperature, while when the engine 14 is stopped, the exhaust catalyst 17b radiates heat while generating an upward air flow due to its own heat. The rising airflow flows upward through the gap S, so that the cooling performance of the exhaust catalyst 17b when the engine 14 is stopped is improved.

As described above, the step peripheral structure of the saddle riding type vehicle in the above embodiment is as follows.
A saddle-ride seat 21 that is supported by the vehicle body frame 5 and on which a driver and a rear passenger sit down, a left and right step 31 for the driver disposed below the seat 21, and a step below the seat 21 and the step The left and right side covers 25 that cover at least a part of the body frame 5 from the side above the vehicle body 31 are applied to the motorcycle 1 and support the left and right tandem steps 32 for rear passengers. Left and right tandem step brackets 41 are provided, the tandem step brackets 41 are fixed to the vehicle body frame 5 at the rear of the step 31, and the tandem step brackets 41 project upward from the lower side of the side cover 25 from the outside. A portion 54 is provided.
According to this configuration, since the interference between the driver's feet and the side cover 25 can be avoided by the upward projecting portion 54 of the tandem step bracket 41 that is a strength member, the side cover 25 can be damaged without increasing the number of parts. This can be prevented and can be reduced in weight.

In the step peripheral structure, a gap S is formed in the vehicle width direction between the side cover 25 and the upper projecting portion 54.
According to this configuration, the traveling wind around the step 31 is suppressed by suppressing the disturbance of the traveling wind that flows on the surface of the side cover 25 and flowing the traveling wind rearward also in the vehicle width direction of the driver's foot. The rectifying effect can be enhanced.

In addition, the step peripheral structure includes a master cylinder 61 of a hydraulic brake device disposed inside the tandem step bracket 41 in the vehicle width direction, and a reserve tank 66 for storing brake fluid connected to the master cylinder 61 is disposed on the side. A pipe 67 that connects the master cylinder 61 and the reserve tank 66 is arranged at a position where the side cover 25 and the upper projecting portion 54 overlap in the vehicle width direction inner side of the cover 25 in a side view of the vehicle. is there.
According to this configuration, disturbance to the brake pipe 67 can be suppressed by the side cover 25 and the tandem step bracket 41. In addition, the brake pipe 67 can be arranged close to the vehicle width direction outside in the side cover 25, and the degree of freedom in handling the pipe 67 is improved, and an arrangement space for other parts is provided inside the pipe 67 in the vehicle width direction. It can be secured.

Further, the step peripheral structure extends to a portion of the side cover 25 that overlaps the upper protruding portion 54 in a side view of the vehicle so as to be parallel to the edge portion (front edge 56) of the upper protruding portion 54 and the vehicle width. A ridge line portion 59a that is offset inward in the direction is formed.
According to this configuration, it is possible to improve the appearance by creating a sense of unity between the side cover 25 and the upper projecting portion 54, and it is easy to secure the gap S between the side cover 25 and the upper projecting portion 54. The rectification effect of the traveling wind around 31 can be further enhanced.

In the step peripheral structure, a support stay 68 for the side cover 25 is provided on the inner side in the vehicle width direction of the tandem step bracket 41.
According to this configuration, since the side cover 25 and the tandem step bracket 41 are close to each other, the length of the support stay 68 for the side cover 25 can be shortened, and the side cover 25 can be supported with a lightweight structure.

The step peripheral structure includes an engine 14 provided with a crankcase 15 that tilts the cylinder 16 forward and extends rearward below the cylinder 16 in front of the side cover 25 and the tandem step bracket 41. The upper surface and the rear surface of the crankcase 15 form a curved surface 15a that is arcuate in a side view of the vehicle, and the gap S is disposed behind the curved surface 15a.
According to this configuration, the traveling wind W that has passed around the cylinder 16 of the engine 14 can be guided to the gap S by using the curved surface 15a of the crankcase 15, and the exhaust effect of the traveling wind W can be enhanced to increase the engine 14 speed. The cooling property can be improved.

In the step peripheral structure, an exhaust catalyst 17b provided in an exhaust pipe 17 extending from the cylinder 16 is disposed below the gap S.
According to this configuration, the hot air of the exhaust catalyst 17b having a relatively high temperature can be discharged upward from the gap S, and the cooling performance of the exhaust catalyst 17b can be improved.

  Note that the present invention is not limited to the above-described embodiment, and can be applied not only to a motorcycle but also to a three-wheel or four-wheel saddle-ride type vehicle. It goes without saying that changes are possible.

1 Motorcycle (saddle-ride type vehicle)
5 Body frame 14 Engine 15 Crankcase 15a Curved surface 16 Cylinder 17 Exhaust pipe 17b Exhaust catalyst (exhaust purification device)
21 Saddle riding seat 25 Side cover 31 Step 32 Tandem step 41 Tandem step bracket 54 Upper protrusion 56 Front edge (edge)
59a Ridge part (step part)
S Clearance 61 Master cylinder 66 Reserve tank 67 Piping 68 Support stay

Claims (7)

A seat (21) that is supported by the vehicle body frame (5) and on which a driver and a rear passenger sit, and a step for the driver that is disposed on both sides of the engine (14) below the seat (21). (31) and a side cover (25) that covers at least a part of the body frame (5) from the side below the seat (21) and above the step (31). In the step peripheral structure,
A tandem step bracket (41) for supporting a rear passenger tandem step (32); and the tandem step bracket (41) is connected to the rear of the engine (14) behind the step (31). The tandem step bracket (41) is fixed to the vehicle body frame (5), and is a heel plate that abuts from the inside in the vehicle width direction around the driver's footpad placed on the step (31). A step peripheral structure for a saddle-ride type vehicle , wherein an upper projecting portion (54) that covers a lower portion of the side cover (25) from the outside is provided to project upward from a front end portion of the tandem step bracket (41) .   The step peripheral structure of the saddle-ride type vehicle according to claim 1, wherein a gap (S) is formed in the vehicle width direction between the side cover (25) and the upward projecting portion (54).   In front of the side cover (25) and the tandem step bracket (41), an engine (14) including a crankcase (15) that tilts the cylinder (16) forward and extends rearward below the cylinder (16) is disposed. The upper surface and the rear surface of the crankcase (15) form a curved surface (15a) that is arcuate in a side view of the vehicle, and the gap (S) is disposed behind the curved surface (15a). The step peripheral structure of the saddle-ride type vehicle according to claim 2.   The saddle-ride type vehicle according to claim 3, wherein an exhaust purification device (17b) provided in an exhaust pipe (17) extending from the cylinder (16) is disposed below the gap (S). Step peripheral structure.   A master cylinder (61) of a hydraulic braking device is disposed on the inner side in the vehicle width direction of the tandem step bracket (41), and a reserve tank (66) for storing brake fluid connected to the master cylinder (61) is disposed on the side. The master cylinder (61) and the reserve tank (66) are arranged at a position where the side cover (25) and the upper projecting portion (54) overlap with each other when arranged in the vehicle width direction of the cover (25) in a side view of the vehicle. 5. A step peripheral structure of a saddle-ride type vehicle according to any one of claims 1 to 4, wherein a pipe (67) to be connected is arranged.   The side cover (25) extends to be parallel to the edge (56) of the upper protrusion (54) at a portion overlapping the upper protrusion (54) when viewed from the side of the vehicle and is offset inward in the vehicle width direction. The step peripheral structure of the saddle riding type vehicle according to any one of claims 1 to 5, wherein a stepped portion (59a) is formed.   The saddle riding type according to any one of claims 1 to 6, wherein a support stay (68) for the side cover (25) is provided on an inner side in the vehicle width direction of the tandem step bracket (41). Structure around the vehicle step.

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