WO2017018356A1

WO2017018356A1 - Saddle riding type vehicle

Info

Publication number: WO2017018356A1
Application number: PCT/JP2016/071615
Authority: WO
Inventors: ルウシュウ; ウェイハン; リィウェンファン
Original assignee: 本田技研工業株式会社
Priority date: 2015-07-24
Filing date: 2016-07-22
Publication date: 2017-02-02
Also published as: MX2018000818A; BR112018000162B1; JP6826580B2; CN106703962A; CN110053691A; AR105443A1; CN106703962B; PE20180275A1; JP2019048638A; JP6445163B2; BR112018000162A2; JPWO2017018356A1; CO2018000287A2; CN110053691B

Abstract

A saddle riding type vehicle (1) equipped with a vertical frame section (12c) extending in the vertical direction to the rear of an engine (30), a rear wheel (7) positioned to the rear of the vertical frame section (12c), an exhaust muffler (37) having at least one section thereof positioned between the vertical frame section (12c) and the rear wheel (7), a main stand (70) having left and right support legs (72) positioned to the outside of the exhaust muffler (37), and a muffler cover (100) for covering at least part of the exhaust muffler (37). Furthermore, the muffler cover (100) covers at least part of the main stand (70) from the outside in the vehicle widthwise direction when the main stand (70) is in the stored position.

Description

Saddle riding vehicle

The present invention relates to a saddle riding type vehicle.
This application claims priority based on Chinese Patent Application No. 2015101451358.2 filed on July 24, 2015, the contents of which are incorporated herein by reference.

4 and the like of Patent Document 1 include an engine, a vehicle body frame in which a vertical frame portion extending in the vertical direction is disposed behind the engine, a rear wheel disposed behind the vertical frame portion, and a lower portion of the vertical frame portion. And a muffler (exhaust device) that is connected to an exhaust pipe extending from the engine and that has a rear portion disposed between the vertical frame portion and the rear wheel. A pair of support legs are arranged outside the muffler in the vehicle width direction, and the support legs are extended in the front-rear direction to be separated from the ground, and the support legs are extended in the vertical direction to support the vehicle body. A configuration that can swing between the upright position and the upright position is disclosed. The silencer is connected to a discharge pipe that discharges exhaust gas to the outside, and a protector (cover member) is provided around the discharge pipe.

International Publication No. 2009/084455

By providing a protector (cover member) that covers the exhaust pipe, the heat effect on the occupants (driver and passenger) due to heat from the exhaust pipe is suppressed. It is also desirable to suppress the thermal effect on the surroundings due to the heat of.
However, the above-described protector of the prior art only covers the periphery of the discharge pipe located above the main stand in order to avoid interference with the main stand. That is, since the protector is restricted by the main stand, it is difficult to provide the protector over a wide range. In addition, the amount of exposure of the main stand in a side view is increased, which affects the appearance.
An aspect of the present invention includes an exhaust device in which at least a part is disposed between a vertical frame portion and a rear wheel of a vehicle body frame, a main stand in which a pair of left and right support legs are disposed on the outer side in the vehicle width direction of the exhaust device, A straddle-type vehicle is provided that suppresses the influence of heat on the periphery of the exhaust device and improves the appearance.

A first aspect of the present invention includes an engine, a vehicle body frame in which a vertical frame portion extending in the vertical direction is disposed behind the engine, a rear wheel disposed behind the vertical frame portion, and extending from the engine. An exhaust device that is connected to the exhaust pipe and at least a part of the exhaust device is disposed between the vertical frame portion and the rear wheel, and a pair of left and right support legs are disposed outside the exhaust device in the vehicle width direction. A stand and a protector that covers at least a part of the exhaust device from the outside in the vehicle width direction, and the main stand has a storage position that extends the pair of left and right support legs in the front-rear direction and separates from the ground; The pair of left and right support legs are supported by the vertical frame so that the pair of left and right support legs can be rotated in an upright position that extends in the vertical direction to support the vehicle body, Protector, when the main stand is in the retracted position, and a cover portion for covering the vehicle width direction outside at least a part of the main stand, a saddle type vehicle.

According to a second aspect of the present invention, in the first aspect, when the main stand is in the standing position, the cover portion extends forward from at least one of the pair of left and right support legs, and the support Cover at least part of the leg from the outside in the vehicle width direction.

According to a third aspect of the present invention, in the first or second aspect, the exhaust device includes a first support stay and a second support stay that support the protector, and the first support stay and the second support stay are provided. The stays are separated from each other in the front-rear direction, and at least one of the pair of left and right support legs passes between the first support stay and the second support stay.

According to a fourth aspect of the present invention, in the third aspect, the second support stay is provided behind and above the first support stay.

In a fifth aspect of the present invention, in any one of the first to fourth aspects, the swing axis of the main stand is provided above the cover.

A sixth aspect of the present invention is the exhaust system according to any one of the first to fifth aspects, wherein the main stand includes a connecting portion that connects the pair of left and right support legs. Is provided with a stand stopper portion that defines a storage position of the main stand by bringing the connecting portion into contact with a rear end portion of the exhaust device that faces the rear wheel, and the stand stopper portion includes the connecting portion. Has a contact surface that contacts the upper side of the lower end of the exhaust device.

According to a seventh aspect of the present invention, in any one of the first to sixth aspects, the main stand includes a connecting portion that connects the pair of left and right support legs, and the main stand When the is in the retracted position, the connecting portion is positioned above the lower end of the exhaust device and is disposed in front of the front end of the rear wheel.

According to an eighth aspect of the present invention, in any one of the first to seventh aspects, when the main stand is in the retracted position, the rear end of the protector is behind the pair of left and right support legs. Extends beyond the end.

According to a ninth aspect of the present invention, in any one of the first to eighth aspects, the lower end of the protector is positioned above the lower end of the exhaust device when the main stand is in the storage position. To do.

According to a tenth aspect of the present invention, in any one of the first to ninth aspects, the exhaust device includes a discharge pipe that discharges exhaust gas to the outside, and the protector is provided around the discharge pipe. The enclosure part is provided.

According to the first aspect, the protector that covers at least a part of the exhaust device from the outside in the vehicle width direction is provided, and the cover that covers at least a part of the main stand at the storage position from the outside in the vehicle width direction is provided on the protector. Since it is provided, the protector including the cover can be provided over a wide range without interfering with the main stand. For this reason, the vehicle width direction outer side of an exhaust device can be covered effectively, and the heat influence to a crew member (driver and a passenger) can be controlled. Further, the protector includes a cover portion that covers at least a part of the main stand from the outside in the vehicle width direction when the main stand is in the retracted position. Can be improved.
The first aspect includes not only the case where the main stand is directly supported by the vertical frame portion but also the case where the main stand is indirectly supported by the vertical frame portion via another member.

According to the second aspect, the protector including the covering portion can be provided in a wide range, and the thermal influence on the occupant can be further suppressed. In addition, when the main stand is in the standing state, the cover part extends forward from the support leg part and covers at least a part of the support leg part from the outside in the vehicle width direction. The appearance can be improved by reducing the exposure amount of the main stand.

According to the third aspect, the support leg portion passes between the first support stay and the second support stay that are separated from each other in the front-rear direction, so that the first support stay, the second support stay, and the main stand The main stand can be effectively concealed by the cover while suppressing interference. Further, by providing the first support stay and the second support stay apart from each other in the front-rear direction, the protector can be stably supported by the exhaust device.

According to the fourth aspect, since the second support stay is provided at the rear and above the first support stay, the support leg is positioned at a higher position when the main stand is flipped back to the storage position. The bank angle of the vehicle can be sufficiently secured.

According to the fifth aspect, when the main stand is in the retracted position, the area where the main stand is hidden inside the protector can be increased, and the appearance can be further improved. Also, access to the swing shaft of the main stand can be easily performed.

According to the sixth aspect, since the stand stopper portion that defines the storage position of the main stand is positioned above the lower end of the exhaust device, the support leg portion is higher when the main stand is in the storage position. It is possible to jump up to the position, and a sufficient bank angle of the vehicle can be secured. Further, since the stand stopper portion is provided at the rear end portion facing the rear wheel in the exhaust device, the stopper portion can be made inconspicuous and the appearance can be improved.

According to the seventh aspect, the support leg of the main stand in the retracted position can be flipped up to a higher position while ensuring the clearance between the connecting portion of the main stand in the retracted position and the rear wheel. Thus, a sufficient bank angle of the vehicle can be secured.

According to the eighth aspect, the protector can be provided in a wider range to reduce the thermal influence on the occupant, and the area covering the main stand can be sufficiently secured to improve the appearance.

According to the ninth aspect, even when the protector is provided in a wide range, the bank angle of the vehicle can be sufficiently secured.

According to the tenth aspect, since the protector includes the enclosure that surrounds the exhaust gas discharge pipe, it is possible to reduce not only the exhaust device but also the thermal influence from the discharge pipe on the occupant. Moreover, since a protector is provided with a cover part and an enclosure part, it can be set as a protector over a wide range, and in addition to the protection from a heat influence, an external appearance property can also be improved.

1 is a left side view of a motorcycle according to an embodiment of the present invention. It is a top view of the motorcycle. Fig. 3 is a left side view of a body frame of the motorcycle. It is a top view of the said vehicle body frame. FIG. 3 is a right side view around the exhaust muffler of the motorcycle. It is a right view of the exhaust muffler. It is a bottom view around the exhaust muffler. It is a rear view around the exhaust muffler. It is a bottom view equivalent to FIG. 7 which shows the 1st modification of the said embodiment. It is a side view equivalent to FIG. 5 which shows the 2nd modification of the said embodiment.

Hereinafter, embodiments of the present invention will be described 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, an arrow UP indicating the upper side of the vehicle, and a line CL indicating the left and right center of the vehicle are shown.

As shown in FIGS. 1 and 2, the present embodiment is applied to a motorcycle 1 that is a saddle-ride type vehicle. A front wheel 2 of the motorcycle 1 is supported by lower ends of a pair of left and right front forks 3. The left and right front forks 3 are supported by the head pipe 11 at the front end portion of the vehicle body frame 10 via the steering stem 4 and the top bridge 5. A bar-type steering handle 6 is attached to the upper part of the left and right front forks 3 and the top bridge 5.

The rear wheel 7 of the motorcycle 1 is supported by the rear end portion of the swing arm 8. The front end portion of the swing arm 8 is supported by the pivot portion 13 a of the vehicle body frame 10. The rear wheel 7 is linked to the engine 30 which is a prime mover of the motorcycle 1 through, for example, a chain transmission mechanism. A lower end portion of the rear cushion 9 is connected to the front portion of the swing arm 8.

3 and 4 together, the vehicle body frame 10 includes a head pipe 11, a single main frame 12 extending rearward and downward along the left-right center of the vehicle body behind the head pipe 11, and the rear of the main frame 12. A pivot frame 13 coupled to the lower end. The main frame 12 integrally forms a horizontal frame portion 12a, a curved portion 12b, and a vertical frame portion 12c in order from the head pipe 11 side. A cushion bracket 14 that connects the upper end of the rear cushion 9 is fixed behind the curved portion 12b. The pivot frame 13 includes a pivot portion 13 a that supports the front end portion of the swing arm 8. The front end portion of the swing arm 8 is supported by the pivot portion 13a via a pivot shaft 13b (swing shaft) extending in the left-right direction. A muffler support bracket 13 c that supports the exhaust muffler 37 is fixed to the rear portion of the pivot frame 13.

The vehicle body frame 10 includes a down frame 15 that extends downward from the lower portion of the head pipe 11 below the main frame 12, a front gusset 16 that extends between the front portions of the main frame 12 and the down frame 15, and a down frame 15. And a front lower gusset 17 fixed to the front lower side of the upper portion of the head. A front engine hanger 18 is coupled to the lower end portion of the down frame 15. The front engine hanger 18 supports the front end portion of the crankcase 31 of the engine 30.

Further, the vehicle body frame 10 includes a seat frame 20 that connects the front end portion to the main frame 12 and the pivot frame 13. The seat frame 20 includes a pair of left and right front seat rails 21 extending rearward from the rear portion of the horizontal frame portion 12a of the main frame 12, and a pair of left and right support frames 22 extending rearwardly from the rear portion of the pivot portion 13a of the pivot frame 13. Is provided. The left and right support frames 22 support the rear end portions of the left and right front seat rails 21. The left and right support frames 22 extend upward and rearward beyond the rear end positions of the left and right front seat rails 21. The upper rear part of the left and right support frame 22 constitutes a pair of left and right rear seat rails 22 a that are connected to the rear of the left and right front seat rails 21. A rear upper gusset 23 is fixed to the upper portion of the rear seat rail 22a.

The front and rear intermediate portions of the left and right front seat rails 21 are connected via a center cross plate 24. The “intermediate” used in the present embodiment includes not only the center between both ends of the object but also the inner range between both ends of the object. The rear portions of the left and right rear seat rails 22a (rear upper gussets 23) are connected via a rear cross plate 25.

With reference to FIGS. 1 and 2, an engine 30 is mounted inside the body frame 10. The engine 30 is an air-cooled single cylinder engine, for example. The engine 30 raises the cylinder 32 above the front part of the crankcase 31. The front end portion of the crankcase 31 is supported by the front engine hanger 18. The rear end portion of the crankcase 31 is supported by the pivot frame 13. The cylinder 32 includes a cylinder block 33, a cylinder head 34, and a head cover 35 in order from the crankcase 31 side.
The engine 30 may be a parallel or V-type multi-cylinder engine or a water-cooled engine.

An intake passage (not shown) including a throttle portion and the like is connected to the rear portion of the cylinder head 34. A proximal end portion of the exhaust pipe 36 is connected to the front portion of the cylinder head 34. The exhaust pipe 36 curves downward at the front part of the cylinder head 34 and curves backward at the front lower part of the crankcase 31.
An exhaust muffler 37 is disposed below the crankcase 31. The rear end portion of the exhaust pipe 36 is connected to the front end portion of the exhaust muffler 37. On the right side of the rear end portion of the exhaust muffler 37, a tail pipe 37a that extends rearward and opens on the right side of the front end portion of the rear wheel 7 is provided.

A fuel tank 40 that stores fuel for the engine 30 is disposed above the main frame 12. A seat 41 on which a driver and a rear passenger are seated is disposed behind the fuel tank 40.
The fuel tank 40 is provided from above the intermediate position avoiding the front portion of the main frame 12 to the front end position of the seat 41. A main switch 42 (key cylinder) supported by the front portion of the main frame 12 is disposed in front of the fuel tank 40 and above the front portion of the main frame 12.

The left and right outer sides of the fuel tank 40 and the main switch 42 are covered with a pair of left and right tank covers 43. The left and right tank covers 43 integrally form a cover main body 43a that covers the left and right outer sides of the fuel tank 40 and the main switch 42, and a shroud 43b that extends forward and downward from the front of the cover main body 43a.
A pair of left and right upper side covers 44 are disposed below the left and right cover main body portions 43a. The upper side cover 44 forms a rear extension 44 a that extends to the lower left and right outer sides of the front portion of the seat 41.
Below the left and right upper side covers 44, a pair of left and right center side covers 45 covering the periphery of the vertical frame portion 12c of the main frame 12 are provided.

Between the upper portions of the left and right cover main body portions 43a, a tank center cover 46 that covers the upper side of the fuel tank 40 and the main switch 42 is provided. The tank center cover 46 is provided with a fuel filler access portion 46a that allows access to the fuel filler port 40a of the fuel tank 40 and a switch access portion 46b that allows access to the key hole of the main switch 42. .

A pair of left and right rear side covers 47 are provided behind the rear extending portions 44a of the left and right upper side covers 44. The left and right rear side covers 47 extend rearward and rearward and extend to the lower left and right outer sides of the rear portion of the seat 41. Below the front part of the left and right rear side covers 47, a pair of left and right rear lower side covers 48 that cover the attachment portion of the pillion step bracket 68 are provided.

A pair of left and right fender side stays 49 and a pair of left and right tail side covers 50 are provided behind the left and right rear side covers 47. Between the rear portions of the left and right tail side covers 50, a tail lamp 51 located immediately below the rear end portion of the seat 41 is disposed. The left and right fender side stays 49 extend rearward and downward so as to be separated from the tail lamp 51. The rear end portions of the left and right fender side stays 49 are connected via a rear end connecting portion 52. A pair of left and right rear blinkers 53 are supported on the left and right outer surfaces of the rear end connecting portion 52. A license lamp 54 and a reflector 55 are supported on the rear surface of the rear end connecting portion 52. A rear fender 56 that extends rearward and downward is provided below the rear end coupling portion 52. A license plate 57 is supported on the rear surface of the rear fender 56.

A headlamp 60, a pair of left and right front turn signals 61, and a meter device 62 are supported on the steering stem 4 and the top bridge 5. A front center cowl 63 is disposed between the headlamp 60 and the meter device 62 located above the headlamp 60. A pair of left and right front side cowls 64 are disposed on the left and right outer sides of the headlamp 60. A front fender 65 is disposed below the headlamp 60 so as to be separated from the headlamp 60.

A pair of left and right step plates 66 are attached to the left and right outer sides of the pivot frame 13. The left and right step plates 66 support a retractable main step 67 on which the driver's feet are placed. A pair of left and right pillion step brackets 68 are attached to the left and right outer sides of the left and right support frames 22. The left and right pillion step bracket 68 supports a folding pillion step 69 on which the rear passenger's feet are placed.

The lower cross pipe 26 is fixed to the lower end of the pivot frame 13 along the left-right direction. A pair of left and right stand brackets 27 are fixed to the left and right outer sides of the lower cross pipe 26. The left and right stand bracket 27 supports a main stand 70 that supports the vehicle body in an upright state. The main stand 70 is supported so as to be retractable via a swing shaft along the left-right direction. A side stand bracket 28 is fixed to the left outer side of the lower cross pipe 26. The side stand bracket 28 supports a side stand 71 that supports the vehicle body by tilting it to the left side. The side stand 71 is supported so as to be retractable via a swing shaft inclined upward to the left with respect to the left-right direction.

Next, the main part of this embodiment will be described with reference to FIGS.
As shown in FIGS. 5 and 6, the exhaust muffler 37 extends substantially horizontally from the lower side to the rear side of the crankcase 31. The front end portion 37b of the exhaust muffler 37 is disposed in front of the crank axis C1 (center of crank rotation) along the left-right direction in the engine 30. The rear end portion 37 c of the exhaust muffler 37 is disposed behind the pivot frame 13 and ahead of the rear wheel 7.

The lower surface of the exhaust muffler 37 is formed substantially horizontally. The upper surface of the exhaust muffler 37 is formed in a step shape so that the rear portion is higher than the front portion. The upper surface of the exhaust muffler 37 is formed relatively low at positions below the crankcase 31 and the pivot frame 13, and is formed relatively high behind the pivot frame 13.

Hereinafter, a portion of the exhaust muffler 37 having a low upper surface is referred to as a muffler front half 38 and a portion of the exhaust muffler 37 having a high upper surface is referred to as a muffler rear portion 39. The muffler front half 38 and the muffler rear half 39 are formed of separate members. The muffler front half 38 and the muffler rear half 39 are joined airtightly to each other along a substantially vertical joining surface S located in the vicinity of the rear end of the pivot frame 13.

The muffler front half 38 is formed longer than the muffler rear half 39 in the front-rear direction. The muffler rear half 39 is formed so that the upper part enters the space K <b> 1 between the pivot frame 13 and the rear wheel 7. A mount bracket 81 fastened to the muffler support bracket 13c of the vehicle body frame 10 is fixed to the upper front side of the muffler rear half portion 39.

A protrusion 82 protruding upward is formed on the upper surface of the front and rear intermediate part of the muffler front half part 38. The protrusion 82 is formed so as to enter, for example, a recessed space K2 formed between the crankcase 31 and the pivot frame 13, and contributes to securing the capacity of the exhaust muffler 37.

Referring also to FIG. 7, the front end portion 37b of the exhaust muffler 37 is located on the right side of the vehicle body left-right center CL, and opens forward. The rear end portion of the exhaust pipe 36 is connected to the front end portion 37 b of the exhaust muffler 37 from the front. The front end portion 37b of the exhaust muffler 37 forms a circular cross-sectional shape when viewed from the front. The muffler front half portion 38 of the exhaust muffler 37 is formed in a flat cross-sectional shape having a wide left-right width with respect to the vertical width behind the front end portion 37b. A front inner pipe 83 that extends rearward from the front end portion 37b along the front-rear direction is inserted into the muffler front half portion 38. The muffler front half part 38 is formed so as to protrude larger to the left side than the right side with respect to the front inner pipe 83.

A support wall 84 that supports the rear part of the front inner pipe 83 is fixed to the right side in the rear part of the muffler front half part 38. For example, a pair of front and rear exhaust catalysts (catalyzers) 83 a are accommodated in the front inner pipe 83 along the longitudinal direction (front-rear direction) of the front inner pipe 83.

The muffler front half 38 has the maximum left / right width at the front / rear intermediate portion and the minimum left / right width at the rear. The right side surface of the muffler front half portion 38 extends in the front-rear direction behind the front end portion 37b, and then changes the rear portion of the right side surface to the left (the side narrowing the left and right width, the inside of the muffler). The left side surface of the muffler front half portion 38 changes to the left (the side that widens the left and right width, the muffler outside) behind the front end portion 37b, and then extends the front and rear intermediate portion of the left side surface along the front and rear direction. Change the rear part of the left side to the right (the side narrowing the left and right sides, the inside of the muffler) The left and right side surfaces of the muffler front half part 38 change the rear part to the inside of the muffler via an inward change part 85, respectively.

The muffler rear half 39 has a substantially rectangular cross-sectional shape when viewed from the front. The muffler rear half 39 gradually increases the left-right width behind the muffler front half 38. The muffler rear half 39 has a maximum lateral width at the rear. The left and right width of the rear portion of the muffler rear portion 39 is equal to the left and right width of the front and rear intermediate portion of the muffler front half portion 38. A space 86 between the maximum width portion of the muffler front half portion 38 and the maximum width portion of the muffler rear half portion 39 is a concave portion 86 that is recessed inside the muffler. The recess 86 overlaps with the swing range of the base end side of the main stand 70 and facilitates ensuring the clearance between the main stand 70 and the exhaust muffler 37.

At the rear end portion 37c of the exhaust muffler 37, a curved rear end surface 87 that is curved in a concave shape along the tread surface of the rear wheel 7 is formed. The curved rear end face 87 is inclined so as to be positioned on the front side toward the upper side. Below the curved rear end face 87, a substantially vertical rear lower plane 88 is formed that changes stepwise forward.

In the muffler rear half portion 39, a partition wall 89 arranged substantially vertically at the front and rear intermediate portions is fixed. The partition wall 89 divides the internal space of the exhaust muffler 37 into a front expansion chamber 91 and a rear expansion chamber 92. A cylindrical communication pipe 93 that passes through the partition wall 89 and communicates with the front and

rear expansion chambers

91 and 92 is fixed to the partition wall 89.

A tail pipe 37a penetrating the right side surface is fixed to the right side surface of the muffler rear half 39. The tail pipe 37 a has a base end opening 94 at the left and right inner ends in the rear expansion chamber 92. The tail pipe 37a extends from the base end opening 94 to the right outer side so as to be inclined so that the right outer side is located upward and rearward. The inner part 95 in the left-right direction of the tail pipe 37 a is disposed inside the muffler rear part 39. The outer side portion 96 of the tail pipe 37 a in the left-right direction is disposed outside the muffler rear portion 39. The outer portion 96 of the tail pipe 37a extends from the muffler rear portion 39 to the right outer side and then curves rearward to open the exhaust port 97 toward the rear and right outer side.

The exhaust gas that has reached the exhaust muffler 37 from the exhaust pipe 36 is introduced into the front inner pipe 83 and is purified by passing through the exhaust catalyst 83a. Thereafter, the exhaust gas is introduced into the front expansion chamber 91 from the rear end opening of the front inner pipe 83 in the muffler rear portion 39 and expands in the front expansion chamber 91 to attenuate the exhaust energy. Thereafter, the exhaust gas is introduced into the rear expansion chamber 92 through the communication pipe 93 and further expands in the rear expansion chamber 92 to attenuate the exhaust energy. Thereafter, the exhaust gas is exhausted to the outside of the muffler through the tail pipe 37a.

Referring to FIGS. 5, 7, and 8, the main stand 70 includes a pair of left and right support legs 72 connected to the left and right stand brackets 27 via a swing shaft 27 a, and a middle in the longitudinal direction between the left and right support legs 72. And a connecting portion 73 that connects the portions. The connecting portion 73 has an elliptical cross section and extends in the left-right direction.

The main stand 70 swings around the swing shaft 27a. The main stand 70 swings between a use position where the left and right support legs 72 extend downward from the left and right stand bracket 27 and a storage position where the left and right support legs 72 extend rearward from the left and right stand bracket 27. The main stand 70 floats the rear wheel 7 from the ground when in the use position to support the vehicle body in an upright state, and allows the motorcycle 1 to travel by grounding the rear wheel 7 when in the retracted position. In each figure, the main stand 70 in the use position is indicated by reference numeral 70, and the main stand 70 in the storage position is indicated by reference numeral 70 '.

The base end side of the left and right support legs 72 extends so as to be located on the left and right inner sides as the base end side. The distal ends of the left and right support legs 72 extend along the left and right side surfaces of the vehicle body. A swing shaft 27 a is inserted into the base end portion 72 a of the left and right support leg portions 72. A grounding plate 72 c is fixed to the distal end portion 72 b of the left and right support leg portions 72. A stand operation arm 74 is fixed to the outside of the distal end of the left support leg 72. A stand return spring 75 is locked inside the base end of the left support leg 72.

The exhaust muffler 37 includes a stand stopper portion 76 on a rear end portion 37c of the exhaust muffler 37 facing the rear wheel 7, that is, a curved rear end surface 87. The stand stopper portion 76 defines the storage position of the main stand 70 by bringing the connecting portion 73 into contact with the lower portion. The stand stopper portion 76 includes a stopper bracket 77 that is welded and fixed to the curved rear end surface 87, and a stopper rubber 78 that is attached to the stopper bracket 77. The stopper bracket 77 forms a substantially horizontal stand stopper surface 77a. A stopper rubber 78 is attached to the stand stopper surface 77a from below. The stand stopper surface 77a and the stopper rubber 78 are arranged on the left side of the curved rear end surface 87 and at a position intersecting the vehicle body left-right center CL.

Referring to FIG. 5, the lower surface 78a of the stopper rubber 78 (the contact surface of the connecting portion 73) is disposed above the lower end t1 of the exhaust muffler 37. For this reason, when the main stand 70 is in the retracted position, the connecting portion 73 is disposed above the lower end t1 of the exhaust muffler 37. As a result, the support leg 72 of the main stand 70 in the retracted position can be flipped up to a higher position, which contributes to securing the bank angle of the motorcycle 1.

When the main stand 70 is in the retracted position, the connecting portion 73 has the long axis of the elliptical shape in the cross-sectional shape of the connecting portion 73 along the vertical direction and the short axis of the elliptical shape in the cross-sectional shape along the front-rear direction. Accordingly, it is easy to secure a clearance in the front-rear direction between the connecting portion 73 of the main stand 70 in the retracted position, the rear wheel 7 and the exhaust muffler 37 while ensuring the cross-sectional area of the connecting portion 73.

Referring to FIG. 7, the connecting portion 73 extends linearly along the left-right direction in a bottom view when the main stand 70 is in the storage position. At this time, the connecting portion 73 is closest to the rear wheel 7, but is separated by a distance L forward from the front end t2 of the rear wheel 7 in the front-rear direction. That is, the connecting portion 73 secures a clearance with the rear wheel 7 without requiring a particularly complicated shape. Since the connecting portion 73 contacts the stand stopper portion 76 of the exhaust muffler 37, the clearance with the exhaust muffler 37 is minimized.

In the present embodiment, the main stand 70 is supported below the vertical frame portion 12c of the vehicle body frame 10 via the pivot frame 13, the lower cross pipe 26, and the left and right stand brackets 27. Thus, in addition to the case where the main stand 70 is indirectly supported by the vertical frame portion 12c, the main stand 70 is directly supported by the vertical frame portion 12c, for example, when the vertical frame portion 12c extends downward. It is possible that That is, not only the vertical frame portion 12c but also other components integrally connected below the vertical frame portion 12c can be regarded as the vertical frame portion of the present embodiment.

Referring to FIGS. 5, 7, and 8, a muffler cover 100 as a protector that covers the range from the periphery of the tail pipe 37 a to the front and rear intermediate positions of the muffler front half 38 from the right outer side is provided on the rear right side of the exhaust muffler 37. Provided. The muffler cover 100 includes a triangular cylindrical end cap 101 that covers the periphery of the outer portion 96 of the tail pipe 37a, and a cover body that extends forward and downward and then tapers forward after extending to the front lower side and the left inner side. 102. The end cap 101 corresponds to a heat guard that surrounds the tail pipe 37 a and the exhaust port 97. The cover main body 102 corresponds to a cover portion that covers at least a part of the main stand 70 from the outside in the vehicle width direction in any of the standing position and the storage position of the main stand 70.

The end cap 101 is made of sheet metal, for example. The cover body 102 is made of, for example, a synthetic resin. The end cap 101 is fixed to the rear end portion of the cover body 102 by fastening with screws and locking with locking claws (both not shown). The cover main body 102 and the muffler cover 100 are fixed to the exhaust muffler 37 by fastening with the front and

rear screws

103a and 104a and locking with the locking claw 108a.

A front cover side fastening portion 103 that forms an insertion hole and a seating surface corresponding to the front screw 103a is formed in the front portion of the cover body 102. A rear cover side fastening portion 104 that forms an insertion hole and a seating surface corresponding to the rear screw 104a is formed at the rear portion of the cover main body 102. Front and

rear screws

103a and 104a are obliquely inserted into the front and rear cover

side fastening portions

103 and 104 from above and from the right outer side, respectively.

The front cover support stay 105 is fixed to the muffler front half 38 by welding. The front cover support stay 105 includes a front flat portion 105a that extends rightward and outward from the inwardly changing portion 85 on the right side surface of the muffler front half portion 38, and a front muffler side fastening portion 105b that is bent and connected to the right outer side of the front flat portion 105a. Have. The front cover support stay 105 separates the front muffler side fastening portion 105b to the right outside of the muffler front half portion 38 through the front flat portion 105a. The front muffler side fastening portion 105 b is disposed to face the front cover side fastening portion 103. The front muffler side fastening portion 105b is provided with a nut and a pilot hole corresponding to the front screw 103a. The front screw 103a passes through the front cover side fastening portion 103 and is then screwed and fastened to the front muffler side fastening portion 105b. Thereby, the front part of the muffler cover 100 is fixed to the exhaust muffler 37.

The rear cover support stay 106 is fixed by welding to the muffler rear half 39. The rear cover support stay 106 includes a rear flat portion 106a extending rightward from the right side of the maximum width portion of the muffler rear half portion 39, and a rear muffler side fastening portion 106b that is bent and connected to the right outer side of the rear flat portion 106a. Have. The rear cover support stay 106 separates the rear muffler side fastening portion 106b to the right outside of the muffler rear half portion 39 through the rear flat portion 106a. The rear muffler side fastening portion 106 b is disposed to face the rear cover side fastening portion 104. The rear muffler side fastening portion 106b is provided with a nut and a pilot hole corresponding to the rear screw 104a. The rear screw 104a passes through the rear cover side fastening portion 104 and is then screwed into the rear muffler side fastening portion 106b. Thereby, the rear part of the muffler cover 100 is fixed to the exhaust muffler 37.

A cover side claw locking portion 107 extending to the left inner side is formed on the upper rear portion of the cover main body 102. The cover side claw locking part 107 forms a claw locking hole 107a penetrating in the front-rear direction.
A rear end cover support stay 108 is fixed to the upper right side of the rear end of the muffler rear portion 39 of the exhaust muffler 37. The rear end cover support stay 108 forms a locking claw 108a extending in the front-rear direction.
The locking claw 108 a of the rear end cover support stay 108 is inserted into the claw locking hole 107 a of the cover side claw locking portion 107. As a result, the rear upper side of the muffler cover 100 is held by the exhaust muffler 37 in a state where movement in the left-right direction is suppressed.

In the motorcycle 1 of the present embodiment, the exhaust muffler 37 is disposed between the left and right support legs 72 of the main stand 70. In other words, the left and right support legs 72 of the main stand 70 are disposed on the left and right outer sides of the exhaust muffler 37. In this case, the left and right support legs 72 of the main stand 70 are easily exposed to the vehicle outer side (outside in the left-right direction) not only at the standing position of the main stand 70 but also at the retracted position.
On the other hand, the motorcycle 1 of the present embodiment includes a muffler cover 100 that covers the exhaust muffler 37 from the outer side (right side in the present embodiment) with an interval in the vehicle width direction. Between the exhaust muffler 37 and the muffler cover 100, a space K3 in which at least one of the left and right support legs 72 of the main stand 70 (the right support leg 72 in this embodiment) is taken in and out is formed.

As described above, according to the motorcycle 1 of the present embodiment, the muffler cover 100 that covers at least a part of the exhaust muffler 37 from the outside in the vehicle width direction is provided, and the main stand 70 in the retracted position is provided on the muffler cover 100. By providing a cover (cover main body 102) that covers at least a part of the vehicle from the outside in the vehicle width direction, the muffler cover 100 including the cover main body 102 can be provided over a wide range without interfering with the main stand 70. For this reason, the vehicle width direction outer side of the exhaust muffler 37 can be effectively covered to suppress the thermal influence on the occupant (driver and passenger). Further, the muffler cover 100 includes a cover body 102 that covers at least a part of the main stand 70 from the outside in the vehicle width direction when the main stand 70 is in the retracted position. The appearance can be improved by reducing the amount.

When the main stand 70 is in the standing position, the cover main body 102 of the muffler cover 100 extends forward from the right support leg 72 and covers the upper part of the right support leg 72 from the vehicle width direction outside. The muffler cover 100 including the main body 102 can be provided over a wide range, and the thermal influence on the passenger can be further suppressed. In addition, even when the main stand 70 is parked, the appearance can be improved by reducing the exposure amount of the main stand 70. Further, since the swing shaft 27a of the main stand 70 is provided above the cover body 102, when the main stand 70 is in the retracted position, the area where the main stand 70 is hidden inside the muffler cover 100 is increased. Even when the main stand 70 is in the upright position, the swing shaft 27a side of the main stand 70 is hidden by the cover main body 102, so that the appearance can be further improved. Further, the access to the swing shaft 27a of the main stand 70 can be easily performed, and the maintainability can be improved.

The exhaust muffler 37 includes a front cover support stay 105 and a rear cover support stay 106 that support the muffler cover 100. The front cover support stay 105 and the rear cover support stay 106 are separated from each other in the front-rear direction, and the right support leg Since the portion 72 passes between the front cover support stay 105 and the rear cover support stay 106, the cover main body 102 allows the interference with the front cover support stay 105, the rear cover support stay 106 and the main stand 70 to be suppressed. The main stand 70 can be effectively hidden. Further, by providing the front cover support stay 105 and the rear cover support stay 106 separated from each other in the front-rear direction, the muffler cover 100 can be stably supported by the exhaust muffler 37. Further, since the rear cover support stay 106 is provided behind and above the front cover support stay 105, when the main stand 70 is flipped rearward to the retracted position, the support leg 72 is lifted to a higher position. Therefore, the bank angle of the motorcycle 1 can be sufficiently secured.

Further, when the main stand 70 is in the retracted position, the rear end t3 of the muffler cover 100 extends rearward from the rear end t4 of the left and right support leg portions 72, so that the muffler cover 100 is provided in a wider range to the occupant. It is possible to improve the appearance by sufficiently securing a region covering the main stand 70 while making it possible to reduce the thermal influence of the main stand 70. Further, when the main stand 70 is in the retracted position, the lower end t5 of the muffler cover 100 is positioned above the lower end t1 of the exhaust muffler 37. Therefore, even when the muffler cover 100 is provided over a wide range, Enough corners can be secured.

The present invention is not limited to the above-described embodiment. For example, instead of the stand stopper portion 76 shown in FIG. 7 and the like, it is fixed to the side of the exhaust muffler 37 like a stand stopper portion 176 shown in FIG. The rear cover support stay 106 may be provided integrally. That is, the stand stopper portion 176 may be configured by attaching the stopper rubber 178 to, for example, the rear flat portion 106 a of the rear cover support stay 106. Only one or both of the stand stopper portion 176 in FIG. 9 and the stand stopper portion 76 in FIG. 7 may be used. In the case of the stand stopper portion 176 of FIG. 9, the dedicated stopper bracket 77 is not required, and the number of parts is reduced. In the case of the stand stopper portion 76 shown in FIG. 7 and the like, the degree of freedom of arrangement of the stand stopper surface 77a and the stopper rubber 78 is increased.

Further, for example, instead of the connecting portion 73 shown in FIG. 5 or the like, a plate-like one may be used like a connecting portion 173 shown in FIG. That is, the connecting portion that connects the pair of left and right support leg portions 72 is not limited to a pipe shape or a rod shape, and may be a plate shape. When the plate-like connecting portion 173 is used, a stand stopper portion 176 shown in FIG. 9 may be used. When the plate-like connecting portion 173 is used, it is preferable that the connecting portion 173 covers at least a part of the lower end t1 of the exhaust muffler 37 when the main stand 70 is in the retracted position. Thereby, the lower end t1 of the exhaust muffler 37 is protected by the plate-like connecting portion 173. Further, the plate-like connecting portion 173 can prevent downward protrusion. Furthermore, since the connecting portion 173 bypasses the lower side of the exhaust muffler 37, it is easy to ensure the distance from the rear wheel 7.

Further, the muffler cover 100 may cover the entire exhaust muffler 37 from the outside in the vehicle width direction. The muffler cover 100 may be configured to cover the entire main stand 70 in the storage position from the outside in the vehicle width direction. There may be a configuration in which the muffler cover 100 does not cover the main stand 70 in the standing position.
The muffler cover 100 may be provided on both sides of the exhaust muffler 37 in the vehicle width direction. At this time, the tail pipe 37 a may also be provided on the left and right of the exhaust muffler 37.
The exhaust device disposed below the engine may be an exhaust catalyst device, an exhaust chamber device, or an exhaust control device separated from the silencer, in addition to the exhaust muffler 37 (silencer).

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.
The configuration in the above embodiment is an example of the present invention, and various modifications can be made without departing from the gist of the present invention, such as replacing the component of the embodiment with a known component.

Claims

An engine,
A vehicle body frame having a vertical frame portion extending in the vertical direction at the rear of the engine;
A rear wheel disposed rearward of the vertical frame portion;
An exhaust device that is connected to an exhaust pipe extending from the engine and that is disposed at least partially between the vertical frame portion and the rear wheel;
A main stand that arranges a pair of left and right support legs on the outside in the vehicle width direction of the exhaust device;
A protector that covers at least a part of the exhaust device from the outside in the vehicle width direction,
The main stand includes a storage position that extends the pair of left and right support legs in the front-rear direction and separates from the ground, and a standing position that supports the vehicle body by extending the pair of left and right support legs in the vertical direction. The pair of left and right support legs are supported by the vertical frame so as to be rotatable,
The protector is a straddle-type vehicle including a cover that covers at least a part of the main stand from the outside in the vehicle width direction when the main stand is in the retracted position.
When the main stand is in an upright position, the cover extends forward from at least one of the pair of left and right support legs, and covers at least a part of the support legs from the outside in the vehicle width direction. The straddle-type vehicle according to 1.
The exhaust device includes a first support stay and a second support stay that support the protector,
The first support stay and the second support stay are separated from each other in the front-rear direction,
The straddle-type vehicle according to claim 1 or 2, wherein at least one of the pair of left and right support legs passes between the first support stay and the second support stay.
The straddle-type vehicle according to claim 3, wherein the second support stay is provided behind and above the first support stay.
The straddle-type vehicle according to claim 1, wherein the swing shaft of the main stand is provided above the cover portion.
The main stand includes a connecting portion that connects the pair of left and right support legs.
The exhaust device includes a stand stopper portion that defines a storage position of the main stand by bringing the connecting portion into contact with a rear end portion of the exhaust device facing the rear wheel.
The straddle-type vehicle according to claim 1, wherein the stand stopper portion has a contact surface that contacts the connecting portion above a lower end of the exhaust device.
The main stand includes a connecting portion that connects the pair of left and right support legs.
2. The straddle type according to claim 1, wherein when the main stand is in a retracted position, the connecting portion is positioned above a lower end of the exhaust device and is disposed forward of a front end of the rear wheel. vehicle.
2. The straddle-type vehicle according to claim 1, wherein when the main stand is in a retracted position, a rear end of the protector extends rearward from rear ends of the pair of left and right support legs.
The straddle-type vehicle according to claim 1, wherein when the main stand is in a retracted position, a lower end of the protector is positioned above a lower end of the exhaust device.
The straddle-type vehicle according to claim 1, wherein the exhaust device includes an exhaust pipe that exhausts exhaust gas to the outside, and the protector includes an enclosure that surrounds the periphery of the exhaust pipe.