WO2015029520A1 - Automatic two-wheeled vehicle - Google Patents

Automatic two-wheeled vehicle Download PDF

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Publication number
WO2015029520A1
WO2015029520A1 PCT/JP2014/063969 JP2014063969W WO2015029520A1 WO 2015029520 A1 WO2015029520 A1 WO 2015029520A1 JP 2014063969 W JP2014063969 W JP 2014063969W WO 2015029520 A1 WO2015029520 A1 WO 2015029520A1
Authority
WO
WIPO (PCT)
Prior art keywords
brake
step holder
disposed
pedal
swing arm
Prior art date
Application number
PCT/JP2014/063969
Other languages
French (fr)
Japanese (ja)
Inventor
貴正 井口
Original Assignee
本田技研工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 本田技研工業株式会社 filed Critical 本田技研工業株式会社
Priority to BR112016003548-8A priority Critical patent/BR112016003548B1/en
Priority to CN201480048113.7A priority patent/CN105517883B/en
Priority to JP2015534030A priority patent/JP6077662B2/en
Publication of WO2015029520A1 publication Critical patent/WO2015029520A1/en
Priority to PH12016500370A priority patent/PH12016500370A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
    • B62L3/00—Brake-actuating mechanisms; Arrangements thereof
    • B62L3/04—Brake-actuating mechanisms; Arrangements thereof for control by a foot lever
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/30—Frame parts shaped to receive other cycle parts or accessories
    • B62K19/38—Frame parts shaped to receive other cycle parts or accessories for attaching brake members

Definitions

  • a pivot frame that constitutes a part of a vehicle body frame that supports a tandem riding seat has a front end portion of a swing arm that pivotally supports a rear wheel at a rear end portion that can swing via the support shaft.
  • a step holder that is supported and fixed to the vehicle body frame is provided with a pillion step that allows a passenger to put his / her foot on and a brake pedal is rotatably supported via a pedal shaft.
  • the present invention relates to a motorcycle in which an engine body of an internal combustion engine is disposed in front.
  • a step holder disposed outside the pivot frame in the vehicle width direction is fixed to the pivot frame of the vehicle body frame, and a pillion step that allows a passenger to place a foot is attached to the step holder, and a brake A motorcycle in which a pedal is rotatably supported is known from Patent Document 1.
  • the exhaust pipe of the internal combustion engine mounted on the vehicle body frame is disposed so as to pass below the pivot frame and the step holder in a side view.
  • an exhaust device is installed on the side of the brake pedal in the vehicle width direction, there is no restriction on the support layout of the brake pedal to the step holder. It will have a big impact.
  • the present invention has been made in view of such circumstances, and the brake pedal can be supported on the step holder with a sufficient supporting force even if an exhaust device is disposed on the side of the brake pedal in the vehicle width direction.
  • the object is to provide a motorcycle.
  • a pivot frame that forms a part of a vehicle body frame that supports a tandem riding seat is supported by a front end portion of a swing arm that pivotally supports a rear wheel at a rear end portion.
  • a step holder which is supported so as to be able to swing through a shaft and is fixed to the vehicle body frame, is provided with a pillion step that allows a passenger to put his / her foot on and a brake pedal can be rotated through a pedal shaft.
  • the step holder is disposed on the outer side in the vehicle width direction of the pivot frame and fixed to the pivot frame.
  • the first brake pedal is formed to have a vertical arm portion extending vertically so as to be disposed between the swing arm and the step holder in the vehicle width direction.
  • the present invention is provided with a master cylinder attached to the step holder and capable of generating a hydraulic pressure for operating a disc brake provided on the front wheel, and a rear wheel.
  • a brake operation force transmission member that mechanically transmits the brake operation force to the drum brake, and an equalizer that distributes the brake operation force input from the brake pedal to the master cylinder and the brake operation force transmission member.
  • an intermediate portion of the equalizer having one end connected to the master cylinder and the other end connected to the brake operation force transmission member includes the vertical arm portion.
  • a third feature is that the vertical arm portion is connected to the back side of the first arm portion.
  • the step holder is integrally formed with a front-rear extension portion extending rearward in the vehicle front-rear direction from the support portion, and the one end side of the equalizer;
  • a fourth feature is that a delay spring is provided between the rear part of the front-rear extension part and the rear part of the front-rear extension part between the rear part of the front-rear extension part and the rear part of the front-rear extension part.
  • the present invention provides, in addition to any one of the first to fourth features, that a stopper for restricting the rotation end of the return side of the brake pedal is attached to the lower portion of the step holder.
  • the bolt 28 of the embodiment corresponds to the support shaft of the present invention
  • the second master cylinder 63 of the embodiment corresponds to the master cylinder of the present invention
  • the rod 66 of the embodiment corresponds to the brake operating force of the present invention.
  • the step holder having a support portion disposed on the outer side in the vehicle width direction of the pivot frame and fixed to the pivot frame extends to the lower side of the swing arm in a side view.
  • a vertically extending portion extending downward from the support portion is integrally formed, and at least a part of the pedal shaft is disposed at a position overlapping with a part of the exhaust device in a side view, and vertically extends below the swing arm in a side view. Since the brake pedal is rotatably supported by the part via the pedal shaft, a vertical arm part extending vertically is formed on the brake pedal so as to be disposed between the swing arm and the step holder in the vehicle width direction.
  • the brake pedal can be supported on the step holder with a sufficient support force even if the exhaust device is disposed on the side of the brake pedal in the vehicle width direction.
  • the master cylinder attached to the step holder for the front wheel disc brake, and the brake operation force transmitting member for mechanically transmitting the brake operation force to the drum brake of the rear wheel, Since the brake operation force input from the brake pedal is distributed through the equalizer, an interlocking brake can be configured.
  • the middle portion of the equalizer which is connected to the master cylinder and the brake operation force transmission member at both ends, is connected to the vertical arm portion on the back side of the step holder.
  • the delay spring is provided along the longitudinal direction of the front-rear extension part on the back side of the front-rear extension part that the step holder integrally has and extends rearward in the vehicle front-rear direction from the support part. Therefore, it is possible to secure the necessary spring force by securing the length of the delay spring while improving the design.
  • the entire step holder including the stopper can be unitized. It is possible to improve the assembly.
  • FIG. 1 is a side view of a main part of a motorcycle.
  • FIG. 2 is a perspective view of the vehicle body frame.
  • (First embodiment) 3 is an enlarged view of a portion indicated by an arrow 3 in FIG.
  • (First embodiment) 4 is a cross-sectional view taken along line 4-4 of FIG.
  • (First embodiment) 5 is a cross-sectional view taken along line 5-5 of FIG.
  • (First embodiment) 6 is a view taken along line 6-6 in FIG.
  • FIG. 7 is an enlarged view of a main part of FIG. (First embodiment)
  • a body frame F of a motorcycle includes a head pipe 13 that supports a front fork 11 and a steering handle 12 that pivotally support a front wheel WF, and a head pipe 13 that is rearwardly lowered from the head pipe 13.
  • a main frame 14 that extends, a pair of left and right subframes 15, 15 that are connected to the main frame 14, and a front end portion of the main frame 14 that extends rearward and downward at a steeper angle than the main frame 14.
  • a down frame 16 and a pivot frame 17 coupled to a rear end portion of the main frame 14 are provided.
  • An engine main body 20 of the internal combustion engine E is disposed in front of the rear portion of the main frame 14 and the pivot frame 17.
  • the engine body 20 is mounted on the vehicle body frame F so as to be surrounded by the main frame 14, the down frame 16, and the pivot frame 17, and an engine hanger provided at a lower end portion of the down frame 16.
  • the engine body 20 is supported by 18 and the pivot frame 17.
  • a fuel tank 21 is mounted on the main frame 14 above the engine body 20, and a tandem type riding seat 22 disposed behind the fuel tank 21 is supported by the sub frames 15 and 15.
  • the pivot frame 17 includes a pair of left and right side plate portions 17a and 17a that are opposed to each other in the vehicle width direction and extend in the vertical direction, and a connecting plate portion 17b that connects the upper portions of the side plate portions 17a and 17a. Is formed by bending a metal plate material, and between the pair of left and right side plate portions 17a and 17a, both ends are projected outward from the side plate portions 17a and 17a.
  • a swing arm support cylinder 23 is provided.
  • the sub-frame 15 is configured to have a hollow closed cross-section by butt-joining the peripheral edge portions of a pair of left and right frame constituent members made of a pressed metal plate, and the sub-frame 15 includes the main frame.
  • 14 has a seat rail portion 15a having a front end portion connected to the middle portion of the main body 14 and extending rearward from the main frame 14, and a rear frame portion 15b extending downward from the middle portion in the front-rear direction of the seat rail portion 15a. It is formed so as to be substantially Y-shaped in a side view.
  • a first cross member 24 is provided between the seat rail portions 15a and 15a at a portion in front of the connecting portion of the rear frame portions 15b and 15b with respect to the pair of left and right seat rail portions 15a and 15a.
  • a second cross member 25 is provided between the rear end portions of the portions 15a and 15a.
  • the riding seat 22 is supported by the seat rail portions 15 a and 15 a of both the subframes 15 and 15, and the front end portions of the rear frame portions 15 b and 15 b are connected to the pivot frame 17.
  • a portion corresponding to the connecting portion of the rear frame portions 15b, 15b to the seat rail portions 15a, 15a projects an outer end portion between the seat rail portions 15a, 15a from the seat rail portions 15a, 15a.
  • the cross pipe 26 is provided.
  • the front end portion of the swing arm 27 that pivotally supports the rear wheel WR at the rear end portion is swingable via a bolt 28 as a support shaft inserted through the swing arm support cylinder 23.
  • Rear cushions 29 are provided between both ends of the cross pipe 26 and the swing arm 27, respectively.
  • the front portion of the fuel tank 21 and both side surfaces near the front portion are covered with a shroud 30 supported by the front portion of the vehicle body frame F, and a part of the engine E, a part of the main frame 14 and the
  • the front portion of the subframe 15 is supported from the side by a pair of left and right side covers 31 that are supported by the vehicle body frame F and disposed below the fuel tank 21, and the rear portion of the subframe 15 is the subframe 15.
  • the rear cover 32 is supported from the side.
  • the intake device 34 provided in the internal combustion engine E is connected to the rear side surface of the cylinder head 33 in the engine body 20, and the intake device 34 is connected to the subframe 15 in a side view.
  • An air cleaner 35 disposed at a position surrounded by the seat rail portion 15a and the rear frame portion 15b and covered from the side by the side cover 31, a throttle body 36 connected to the air cleaner 35, the throttle body 36 and the cylinder
  • An intake pipe 37 connecting the heads 33 is provided.
  • a tool box 38 is provided below the air cleaner 35. The tool box 38 allows the tool to be taken in and out by opening the side cover 31.
  • the exhaust device 40 provided in the internal combustion engine E is connected to the front side surface of the cylinder head 33 and extends from the front side surface of the cylinder head 33 to the rear through the lower side of the engine body 20. 41, and an exhaust muffler 42 that is arranged to extend rearward on the right side of the rear wheel WR and is connected to the downstream end of the exhaust pipe 41.
  • the downstream end of the exhaust pipe 41 closer to the exhaust muffler 42 is covered with a heat insulating cover 43 attached to the exhaust pipe 41, and the exhaust muffler 42 is attached to the exhaust muffler 42 and the right step holder 49. 44.
  • short cylindrical tube members 45, 45 arranged coaxially with each other are fixed to the lower inner surfaces of the side plate portions 17 a, 17 a in the pivot frame 17.
  • a cylindrical portion 46a provided at a base portion 46 is disposed between the cylindrical members 45 and 45, and a stand shaft 47 is inserted into the cylindrical members 45 and 45 and the cylindrical portion 46a.
  • the main stand 46 is rotatably supported by the lower portion of the pivot frame 17 via the stand shaft 47.
  • the swing arm 27 has a pair of left and right arm portions 27a, 27a extending in the front-rear direction on both left and right sides of the rear wheel WR, and the front end portions of the arm portions 27a, 27a are provided on the pivot frame 17. It arrange
  • Step holders 48 and 49 are disposed on the left and right outer sides of the pivot frame 17 in the vehicle width direction.
  • the step holders 48 and 49 are arranged so that the front ends of the arm portions 27a and 27a of the swing arm 27 are connected to the pivot frame. 17 from the left step holder 48 side to the step holder 48, the front end portion of the left arm portion 27a, the swing arm support tube 23, and the right arm.
  • the bolt 28 having the enlarged-diameter protrusion 28 a that is in contact with and engaged with the left step holder 48 from the outside is inserted into the front end portion of the portion 27 a and the right step holder 49, and the bolt from the right step holder 49 is inserted.
  • a nut 50 that contacts and engages with the step holder 49 on the right side is screwed onto the protruding portion of the bolt 28.
  • the pivot frame 17 is supported such that the front end portion of the swing arm 27 is swingable via the bolt 28, and a pair of left and right step holders 48 and 49 are fixed via the bolt 28.
  • the step holders 48 and 49 include support portions 48a and 49a fixed to the pivot frame 17 via the bolts 28, and front and rear extension portions 48b and 49b extending rearward in the vehicle front-rear direction from the support portions 48a and 49a.
  • the upper and lower extending portions 48c and 49c extending downward from the support portions 48a and 49a so as to extend to the lower side of the swing arm 27 in a side view are integrally formed.
  • the vertical extension 48c of the left step holder 48 is formed so that the lower end of the vertical extension 48c is close to the lower part of the left side plate 17a of the pivot frame 17, whereas
  • the vertical extension 49c of the right step holder 49 is formed so that the lower end of the vertical extension 49c is disposed at a position relatively spaced from the lower portion of the right side plate 17a of the pivot frame 17.
  • a support cylinder 51 in which the protruding amount from the right side plate portion 17a is larger than the protruding amount from the left side plate portion 17a is provided on both side plate portions 17a, 17a. It is fixed so as to penetrate.
  • Bolts 52 see FIGS.
  • step holders 48 and 49 are attached with pillion steps 53 and 53 that allow a passenger who rides on the rear part of the riding seat 22 to put his / her feet on.
  • 53 project from the step holders 48, 49 to the folding positions where the support portions 48a, 49a provided at the rear portions of the front and rear extension portions 48b, 49b are folded to the side of the step holders 48, 49 and to the sides. It can be mounted so as to be able to rotate between the protruding positions.
  • a brake pedal 54 is rotatably supported on the right step holder 49 via a pedal shaft 55.
  • the extending portion 49c integrally has a pedal shaft support portion 49e protruding rearward in the vehicle front-rear direction, and one end portion of the pedal shaft 55 extending in the vehicle width direction is mold-coupled to the pedal shaft support portion 49e.
  • the pedal shaft 55 is disposed at least partially below the swing arm 27 in a side view and overlaps with a part of the exhaust device 40. In this embodiment, the exhaust in the exhaust device 40 is exhausted. A part of the pedal shaft 55 is disposed at the downstream end of the pipe 41 in a side view.
  • the brake pedal 54 includes a cylindrical support cylinder portion 54a that is rotatably supported by the pedal shaft 55, a horizontal arm portion 54b that extends forward from the support cylinder portion 54a in the vehicle longitudinal direction, and the horizontal arm.
  • a pedal portion 54c provided at the front end of the portion 54b, and a vertical arm portion 54d connected to the support cylinder portion 54a so as to extend in the vertical direction.
  • the brake pedal 54 has the swing arm in a side view. 27, it is rotatably supported by the pedal shaft support portion 49e of the vertical extending portion 49c via the pedal shaft 55.
  • the lateral arm portion 54b is formed of a metal pipe having a rear end portion and a front end portion that are bent upward in the vehicle front-rear direction, and the rear end portion of the metal pipe is welded to the support cylinder portion 54a.
  • the vertical arm portion 54d is disposed between the swing arm 27 and the step holder 49 in the vehicle width direction so that at least an upper end portion is disposed on the back side of the front-rear extension portion 49b.
  • One end portion of a return spring 56 that exerts a spring force that biases the brake pedal 54 toward the return side is connected to the rear end portion of the lateral arm portion 54 b of the brake pedal 54, and the other end portion of the return spring 56. Is connected to the lower end of the vertically extending portion 49 c of the step holder 49.
  • a stopper 57 for restricting the return end of the brake pedal 54 is attached to the lower portion of the step holder 49.
  • the lower end of the vertically extending portion 49c of the step holder 49 is provided.
  • the stopper 57 is attached to the portion by a bolt 58 and a nut 59.
  • a brake lever 61 is attached to the right end portion of the steering handle 12 so as to be capable of rotating, and a brake hydraulic pressure is output according to the rotating operation of the brake lever 61.
  • a master cylinder 62 is attached.
  • the front wheel WF is provided with a disc brake B1 which is braked according to the operation of the brake lever 61 and also braked by the depression of the brake pedal 54, and the rear wheel WR is depressed of the brake pedal 54.
  • a drum brake B2 is provided that is braked by operation.
  • a second master cylinder 63 capable of generating a hydraulic pressure for operating the disc brake B ⁇ b> 1 is disposed on the back side of the right step holder 49.
  • the second master cylinder 63 is attached to the back side of the front part of the front-rear extension part 49b in the step holder 49 while slightly tilting forward.
  • the second master cylinder 63 is attached to the back surface of the front part of the front-rear extension part 49b by a pair of bolts 64, 64.
  • the operation force by the brake pedal 54 is input to the second master cylinder 63 via the equalizer 65, and as a brake operation force transmission member that mechanically transmits the brake operation force to the drum brake B2 of the rear wheel WR.
  • the intermediate portion of the equalizer 65 is also connected to the upper end portion of the vertical arm portion 54d on the rear side of the vertical arm portion 54d of the brake pedal 54 via a shaft 67 so as to be rotatable. Is done.
  • the piston rod 68 of the second master cylinder 63 disposed in front of the equalizer 65 is connected to the upper end portion of the equalizer 65 via a connection pin 69.
  • One end of the rod 66 is connected to the lower end of the equalizer 65 via a connecting pin 70, and the other end of the rod 66 is input to the drum brake B2 as clearly shown in FIG.
  • the tip of the arm 71 is connected via a connecting pin 72.
  • the piston rod 68 of the second master cylinder 63 is pushed in after the equalizer 65 is actuated so as to pull the rod 66 in response to the depression operation of the brake pedal 54.
  • the delay spring 73 for controlling the relative posture of the equalizer 65 with respect to the vertical arm portion 54d at the initial stage of the depression operation of the brake pedal 54 is provided, and the upper end portion side of the equalizer 65 and the front-rear extension portion are provided.
  • the delay spring 73 interposed between the rear part of 49b extends along the longitudinal direction of the front / rear extension part 49b and is disposed on the back side of the front / rear extension part 49b.
  • the hydraulic hose 75 that guides the hydraulic pressure output from the second master cylinder 63 is connected to the caliper 76 of the disc brake B1 of the front wheel WF via the right side cover 31 and the shroud 30.
  • a hydraulic hose 77 that guides the hydraulic pressure from the first master cylinder 62 is also connected to the caliper 76.
  • the lower edge 31a of the right side cover 31 is disposed along the upper edge 49f while covering at least the upper edge 49f of the right step holder 49 from the outside.
  • 63 is also arranged so that a part thereof protrudes from the back side of the right step holder 49 into the right side cover 31, and the hydraulic hose 75 is connected to the second master cylinder 63 in the side cover 31. Is done.
  • a reservoir 78 for supplying brake fluid to the second master cylinder 63 is disposed at the front upper side of the second master cylinder 63, and the reservoir 78 is disposed on the vehicle body frame F. It is supported by a stay 79 fixed to the main frame 14.
  • the reservoir 78 is connected to the second master cylinder 63 by a hose 80 that guides brake fluid.
  • the reservoir 78 is formed of a transparent synthetic resin so that the storage level of the brake fluid stored in the reservoir 78 can be visually recognized from the outside, and the right side cover 31 that covers the reservoir 78 from the outside.
  • An inspection window 81 is formed in which a part of the reservoir 78 is visible from the outside.
  • a brake switch 84 for detecting the operation of the brake pedal 54 is attached to the right step holder 49, and the brake switch 84 extends in the front-rear direction in the step holder 49. It extends long along the longitudinal direction of the protruding portion 49b and is supported by the rear rear surface of the front-rear extending portion 49b. That is, a support plate portion 49g is integrally projected on the rear rear surface of the front-rear extension portion 49b, and the brake switch 84 is inserted and supported by the support plate portion 49g.
  • the brake switch 84 is connected to the upper end portion of the vertical arm portion 54d of the brake pedal 54.
  • the hook is engaged with and connected to the upper end portion of the vertical arm portion 54d.
  • the other end of the connecting rod 85 having the portion 85 a at one end is connected to the brake switch 84 via a spring 86.
  • the brake switch cable 87 extended from the brake switch 84 is routed so that the back side of the upper part of the front and rear extension 49b extends forward, and a part of the brake switch cable 87 is It is supported on the back side of the front and rear extension 49b by two cable holders 88 and 89 attached to the upper back of the front and rear extension 49b.
  • a clip 90 is attached to the back surface of the front and rear extension 49b of the step holder 49 in front of the cable holder 89 on the front side of the two cable holders 88 and 89 by a bolt 90 that is a fastening member oriented in the vehicle width direction.
  • the support member 91 is fastened, and a support surface 93 that faces the front or rear (rear in this embodiment) along the vehicle front-rear direction is formed on the clip support member 91 and is supported by the support surface 93.
  • the brake switch cable 87 is held.
  • the clip support member 91 integrally includes a mounting plate portion 91a fastened to the back surface of the front / rear extension portion 49b by the bolt 90 and a support plate portion 91b provided continuously to the mounting plate portion 91a.
  • the support surface 93 is formed on the support plate portion 91b.
  • a pair of protrusions 94 and 95 that sandwich the mounting plate 91a from the front and rear are integrally formed on the back surface of the front and rear extension 49b, and are sandwiched between the protrusions 94 and 95. Since the attachment plate portion 91a is prevented from rotating, the clip support member 91 can be fastened to the front-rear extension portion 49b with only a single bolt 90.
  • the rear protrusion 95 is disposed at a position facing the vertical arm 54d of the brake pedal 54 from the front, and when the brake pedal 54 is fully depressed.
  • the maximum rotation position of the brake pedal 54 is regulated by contacting the vertical arm portion 54d.
  • a pillion step 53 that allows a passenger to put his / her foot on is attached to the right step holder 49 fixed to the vehicle body frame F, and the brake pedal 54 is connected to the pedal shaft.
  • a brake switch 84 that is rotatably supported via 55 and detects the operation of the brake pedal 54 is attached to the step holder 49.
  • the step holder 49 is attached to the pivot frame 17 via a bolt 28.
  • a fixed support part 49a and a front / rear extension part 49b extending rearward in the vehicle front-rear direction from the support part 49a are integrally formed, and the brake pedal 54 has at least an upper end portion of the front / rear extension part 49b.
  • the step holder 49 While avoiding an increase in size and an increase in the number of parts, the design can be improved by preventing the brake switch 84 from being seen from the outside, and mischief to the brake switch 84 can be prevented.
  • the brake switch cable 87 since a part of the brake switch cable 87 extending from the brake switch 84 is supported on the back side of the front / rear extending portion 49b, the brake switch cable 87 is not exposed to the outside in the vicinity of the brake switch 84, The design can be further improved, and mischief to the brake switch cable 87 can be prevented.
  • the step holder 49 is integrally formed with a vertically extending portion 49c extending downward from the support portion 49a, and exerts a spring force to bias the brake pedal 54 toward the return side. Since the other end portion of the return spring 56 to which the portion is connected is connected to the lower end portion of the vertically extending portion 49c, the return spring 56 is disposed in the vicinity of the step holder 49 where the space in the vertical direction is limited. Can be prevented from being enlarged.
  • the brake switch 84 is connected to the front upper end of the vertical arm portion 54d, the stroke length of the brake switch 84 extending long along the longitudinal direction of the front / rear extending portion 49b can be ensured.
  • the brake The switch cable 87 is extended from the step holder 49 to the back side of the side cover 31 so that the brake switch cable 87 is not exposed to the outside as much as possible to improve the design and prevent mischief to the brake switch cable 87. The effect can be further enhanced.
  • a clip support member 91 that causes a support surface 93 that supports the cable clip 92 that holds the brake switch cable 87 to face rearward in the vehicle front-rear direction is extended by the bolt 90 directed in the vehicle width direction in the step holder 49. Since it is fastened to the back surface of the protruding portion 49b, the cable switch 92 can be used to change the direction in which the brake switch cable 87 extends in the vehicle front-rear direction to the vehicle width direction, and the bolt 90 that fastens the clip support member 91 Since it is oriented in the vehicle width direction, the processing applied to the step holder 49 to attach the clip support member 91 is facilitated.
  • the vertically extending portion 49 c of the step holder 49 extends downward from the support portion 49 a so as to extend below the swing arm 27 in a side view, and a side surface of a part of the exhaust device 40 of the internal combustion engine E.
  • At least a part of the pedal shaft 55 is arranged at a position overlapping in view, and is supported rotatably on the vertical extension portion 49c via the pedal shaft 55 below the swing arm 27 in side view.
  • the brake pedal 54 is formed to have a vertical arm portion 54d extending vertically so as to be disposed between the swing arm 27 and the step holder 49 in the vehicle width direction. Even if the exhaust device 40 is provided, the brake pedal 54 can be supported by the step holder 49 with a sufficient supporting force.
  • a brake is applied to the second master cylinder 63 attached to the step holder 49 and the drum brake B2 provided to the rear wheel WR so as to be able to generate a hydraulic pressure for operating the disc brake B1 provided on the front wheel WF. Since the brake operation force input from the brake pedal 54 is distributed to the rod 66 that mechanically transmits the operation force by the equalizer 65, the disc brake B1 of the front wheel WF and the rear wheel are operated by the operation of the brake pedal 54.
  • An interlocking brake can be configured in which the brake is operated in conjunction with the WR drum brake B2.
  • An intermediate portion of the equalizer 65 having one end connected to the second master cylinder 63 and the other end connected to the rod 66 is connected to the vertical arm 54d on the back side of the vertical arm 54d. Therefore, the rod 66 can be disposed as close as possible to the swing arm 27 side, and the rod 66 can be disposed closer to the drum brake B2 of the rear wheel WR in the vehicle width direction.
  • the step holder 49 has integrally and extends rearward in the vehicle front-rear direction, along the longitudinal direction of the front / rear extension part 49b. Since the delay spring 73 that extends and is disposed on the back side of the front-rear extension portion 49b is interposed, the length of the delay spring 73 can be ensured and the necessary spring force can be ensured while enhancing the design.
  • the stopper 57 for restricting the rotation end of the return side of the brake pedal 54 is attached to the lower portion of the step holder 49, the entire step holder 49 including the stopper 57 can be unitized and assembled. Can be increased.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Control Devices (AREA)
  • Braking Elements And Transmission Devices (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Body Structure For Vehicles (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

An automatic two-wheeled vehicle in which a pinion step is attached to and a brake holder is rotatably borne on a step holder secured to a body frame, and an engine main body is disposed in front of a pivot frame, wherein: a step holder (49) integrates a support part (49a) secured to a pivot frame (17) and a vertically extending part (49c) extending downward from the support part (49a) to a point below a swing arm (27) as seen from the side; at least part of a pedal shaft (55) is disposed in a position that, in a side view, overlaps part of an exhaust device (40); and a brake pedal (54) rotatably borne, below the swing arm in a side view, on the vertically extending part (49c) via the pedal shaft (55) is formed so as to have a vertically extending longitudinal arm part (54d) disposed between the swing arm (27) and the step holder (49). The brake pedal is thereby supported with sufficient support force on the step holder even if the exhaust device is located to the side of the brake pedal in the vehicle width direction.

Description

自動二輪車Motorcycle
　本発明は、タンデム型の乗車用シートを支持する車体フレームの一部を構成するピボットフレームに、後輪を後端部で軸支するスイングアームの前端部が支軸を介して揺動可能に支承され、前記車体フレームに固定されるステップホルダに、同乗者が足を載せることを可能としたピリオンステップが取付けられるとともにブレーキペダルがペダル軸を介して回動可能に支承され、前記ピボットフレームの前方に内燃機関の機関本体が配置される自動二輪車に関する。 According to the present invention, a pivot frame that constitutes a part of a vehicle body frame that supports a tandem riding seat has a front end portion of a swing arm that pivotally supports a rear wheel at a rear end portion that can swing via the support shaft. A step holder that is supported and fixed to the vehicle body frame is provided with a pillion step that allows a passenger to put his / her foot on and a brake pedal is rotatably supported via a pedal shaft. The present invention relates to a motorcycle in which an engine body of an internal combustion engine is disposed in front.
　車体フレームのピボットフレームに、車幅方向で該ピボットフレームの外側に配置されるステップホルダが固定され、該ステップホルダに、同乗者が足を載せることを可能としたピリオンステップが取付けられるとともに、ブレーキペダルが回動可能に支承されるようにした自動二輪車が、特許文献１で知られている。 A step holder disposed outside the pivot frame in the vehicle width direction is fixed to the pivot frame of the vehicle body frame, and a pillion step that allows a passenger to place a foot is attached to the step holder, and a brake A motorcycle in which a pedal is rotatably supported is known from Patent Document 1.
日本特開２０１０－２３５０５２号公報Japanese Unexamined Patent Publication No. 2010-235052
　上記特許文献１で開示された自動二輪車では、車体フレームに搭載される内燃機関の排気管が、側面視で前記ピボットフレームおよび前記ステップホルダの下方を通るように配置されているので、車幅方向でブレーキペダルのステップホルダへの取付けに制約を受けることはないが、ブレーキペダルの車幅方向側方に排気装置が配設されるような自動二輪車では、ブレーキペダルのステップホルダへの支持レイアウトに大きな影響が及ぶことになる。 In the motorcycle disclosed in Patent Document 1, the exhaust pipe of the internal combustion engine mounted on the vehicle body frame is disposed so as to pass below the pivot frame and the step holder in a side view. However, in a motorcycle in which an exhaust device is installed on the side of the brake pedal in the vehicle width direction, there is no restriction on the support layout of the brake pedal to the step holder. It will have a big impact.
　本発明は、かかる事情に鑑みてなされたものであり、ブレーキペダルの車幅方向側方に排気装置が配設されていてもブレーキペダルを充分な支持力でステップホルダに支持し得るようにした自動二輪車を提供することを目的とする。 The present invention has been made in view of such circumstances, and the brake pedal can be supported on the step holder with a sufficient supporting force even if an exhaust device is disposed on the side of the brake pedal in the vehicle width direction. The object is to provide a motorcycle.
　上記目的を達成するために、本発明は、タンデム型の乗車用シートを支持する車体フレームの一部を構成するピボットフレームに、後輪を後端部で軸支するスイングアームの前端部が支軸を介して揺動可能に支承され、前記車体フレームに固定されるステップホルダに、同乗者が足を載せることを可能としたピリオンステップが取付けられるとともにブレーキペダルがペダル軸を介して回動可能に支承され、前記ピボットフレームの前方に内燃機関の機関本体が配置される自動二輪車において、前記ステップホルダが、前記ピボットフレームの車幅方向外側に配置されて該ピボットフレームに固定される支持部と、側面視で前記スイングアームの下方まで延びるようにして前記支持部から下方に延びる上下延出部とを一体に有するように形成され、前記内燃機関の排気装置の一部に側面視で重なる位置に前記ペダル軸の少なくとも一部が配置され、側面視で前記スイングアームよりも下方で前記上下延出部に前記ペダル軸を介して回動可能に支承される前記ブレーキペダルが、車幅方向で前記スイングアームおよび前記ステップホルダ間に配置されるようにして上下に延びる縦アーム部を有するように形成されることを第１の特徴とする。 In order to achieve the above object, according to the present invention, a pivot frame that forms a part of a vehicle body frame that supports a tandem riding seat is supported by a front end portion of a swing arm that pivotally supports a rear wheel at a rear end portion. A step holder, which is supported so as to be able to swing through a shaft and is fixed to the vehicle body frame, is provided with a pillion step that allows a passenger to put his / her foot on and a brake pedal can be rotated through a pedal shaft. In the motorcycle in which the engine main body of the internal combustion engine is disposed in front of the pivot frame, the step holder is disposed on the outer side in the vehicle width direction of the pivot frame and fixed to the pivot frame. And a vertically extending portion extending downward from the support portion so as to extend below the swing arm in a side view. And at least a part of the pedal shaft is disposed at a position overlapping with a part of the exhaust device of the internal combustion engine in a side view, and the pedal shaft is interposed in the vertically extending portion below the swing arm in a side view. The first brake pedal is formed to have a vertical arm portion extending vertically so as to be disposed between the swing arm and the step holder in the vehicle width direction. Features.
　また本発明は、第１の特徴の構成に加えて、前輪に設けられたディスクブレーキをブレーキ作動させる液圧を発生することを可能として前記ステップホルダに取付けられるマスタシリンダと、後輪に設けられたドラムブレーキにブレーキ操作力を機械的に伝達するブレーキ操作力伝達部材と、前記ブレーキペダルから入力されるブレーキ操作力を前記マスタシリンダおよび前記ブレーキ操作力伝達部材に分配するイコライザとを備えることを第２の特徴とする。 In addition to the configuration of the first feature, the present invention is provided with a master cylinder attached to the step holder and capable of generating a hydraulic pressure for operating a disc brake provided on the front wheel, and a rear wheel. A brake operation force transmission member that mechanically transmits the brake operation force to the drum brake, and an equalizer that distributes the brake operation force input from the brake pedal to the master cylinder and the brake operation force transmission member. The second feature.
　本発明は、第２の特徴の構成に加えて、前記マスタシリンダに一端部が連結されるとともに前記ブレーキ操作力伝達部材に他端部が連結される前記イコライザの中間部が、前記縦アーム部の裏側で該縦アーム部に連結されることを第３の特徴とする。 According to the present invention, in addition to the configuration of the second feature, an intermediate portion of the equalizer having one end connected to the master cylinder and the other end connected to the brake operation force transmission member includes the vertical arm portion. A third feature is that the vertical arm portion is connected to the back side of the first arm portion.
　本発明は、第３の特徴の構成に加えて、前記ステップホルダが、前記支持部から車両前後方向後方に延びる前後延出部を一体に有するように形成され、前記イコライザの前記一端部側と、前記前後延出部の後部との間に、前記前後延出部の長手方向に沿って延びて前後延出部の裏側に配置されるディレイスプリングが介設されることを第４の特徴とする。 According to the present invention, in addition to the configuration of the third feature, the step holder is integrally formed with a front-rear extension portion extending rearward in the vehicle front-rear direction from the support portion, and the one end side of the equalizer; A fourth feature is that a delay spring is provided between the rear part of the front-rear extension part and the rear part of the front-rear extension part between the rear part of the front-rear extension part and the rear part of the front-rear extension part. To do.
　さらに本発明は、第１～第４の特徴の構成のいずれかに加えて、前記ブレーキペダルの戻り側の回動端を規制するストッパが、前記ステップホルダの下部に取付けられることを第５の特徴とする。 Furthermore, the present invention provides, in addition to any one of the first to fourth features, that a stopper for restricting the rotation end of the return side of the brake pedal is attached to the lower portion of the step holder. Features.
　なお実施の形態のボルト２８が本発明の支軸に対応し、実施の形態の第２のマスタシリンダ６３が本発明のマスタシリンダに対応し、実施の形態のロッド６６が本発明のブレーキ操作力伝達部材に対応する。 The bolt 28 of the embodiment corresponds to the support shaft of the present invention, the second master cylinder 63 of the embodiment corresponds to the master cylinder of the present invention, and the rod 66 of the embodiment corresponds to the brake operating force of the present invention. Corresponds to the transmission member.
　本発明の第１の特徴によれば、ピボットフレームの車幅方向外側に配置されて該ピボットフレームに固定される支持部を有するステップホルダに、側面視でスイングアームの下方まで延びるようにして前記支持部から下方に延びる上下延出部が一体に形成され、側面視で排気装置の一部と重なる位置にペダル軸の少なくとも一部が配置され、側面視でスイングアームよりも下方で上下延出部にペダル軸を介してブレーキペダルが回動可能に支承され、そのブレーキペダルに、車幅方向でスイングアームおよびステップホルダ間に配置されるようにして上下に延びる縦アーム部が形成されるので、ブレーキペダルの車幅方向側方に排気装置が配設されていてもブレーキペダルを充分な支持力でステップホルダに支持することができる。 According to the first aspect of the present invention, the step holder having a support portion disposed on the outer side in the vehicle width direction of the pivot frame and fixed to the pivot frame extends to the lower side of the swing arm in a side view. A vertically extending portion extending downward from the support portion is integrally formed, and at least a part of the pedal shaft is disposed at a position overlapping with a part of the exhaust device in a side view, and vertically extends below the swing arm in a side view. Since the brake pedal is rotatably supported by the part via the pedal shaft, a vertical arm part extending vertically is formed on the brake pedal so as to be disposed between the swing arm and the step holder in the vehicle width direction. The brake pedal can be supported on the step holder with a sufficient support force even if the exhaust device is disposed on the side of the brake pedal in the vehicle width direction.
　また本発明の第２の特徴によれば、前輪のディスクブレーキ用としてステップホルダに取付けられるマスタシリンダと、後輪のドラムブレーキにブレーキ操作力を機械的に伝達するブレーキ操作力伝達部材とに、ブレーキペダルから入力されるブレーキ操作力がイコライザを介して分配されるので、連動ブレーキを構成することができる。 According to the second feature of the present invention, the master cylinder attached to the step holder for the front wheel disc brake, and the brake operation force transmitting member for mechanically transmitting the brake operation force to the drum brake of the rear wheel, Since the brake operation force input from the brake pedal is distributed through the equalizer, an interlocking brake can be configured.
　本発明の第３の特徴によれば、マスタシリンダおよびブレーキ操作力伝達部材に両端部が連結されるイコライザの中間部がステップホルダの裏側で縦アーム部に連結されるので、ブレーキ操作力伝達部材をスイングアーム側に極力近づけて配置し、後輪のドラムブレーキに車幅方向でより近づけてブレーキ操作力伝達部材を配置することができる。 According to the third aspect of the present invention, the middle portion of the equalizer, which is connected to the master cylinder and the brake operation force transmission member at both ends, is connected to the vertical arm portion on the back side of the step holder. Can be disposed as close as possible to the swing arm side, and the brake operation force transmission member can be disposed closer to the drum brake of the rear wheel in the vehicle width direction.
　本発明の第４の特徴によれば、ステップホルダが一体に有して支持部から車両前後方向後方に延びる前後延出部の裏側に、その前後延出部の長手方向に沿うディレイスプリングを配置するので、意匠性を高めつつディレイスプリングの長さを確保して必要なばね力を確保することができる。 According to the fourth feature of the present invention, the delay spring is provided along the longitudinal direction of the front-rear extension part on the back side of the front-rear extension part that the step holder integrally has and extends rearward in the vehicle front-rear direction from the support part. Therefore, it is possible to secure the necessary spring force by securing the length of the delay spring while improving the design.
　さらに本発明の第５の特徴によれば、ブレーキペダルの戻り側の回動端が、ステップホルダの下部に取付けられるストッパで規制されるので、ストッパを含めてステップホルダ全体をユニット化することができ、組付け性を高めることができる。 Furthermore, according to the fifth feature of the present invention, since the return end of the brake pedal is regulated by a stopper attached to the lower part of the step holder, the entire step holder including the stopper can be unitized. It is possible to improve the assembly.
図１は自動二輪車の要部側面図である。（第１の実施の形態）FIG. 1 is a side view of a main part of a motorcycle. (First embodiment) 図２は車体フレームの斜視図である。（第１の実施の形態）FIG. 2 is a perspective view of the vehicle body frame. (First embodiment) 図３は図１の３矢示部拡大図である。（第１の実施の形態）3 is an enlarged view of a portion indicated by an arrow 3 in FIG. (First embodiment) 図４は図３の４－４線断面図である。（第１の実施の形態）4 is a cross-sectional view taken along line 4-4 of FIG. (First embodiment) 図５は図３の５－５線断面図である。（第１の実施の形態）5 is a cross-sectional view taken along line 5-5 of FIG. (First embodiment) 図６は図５の６－６線矢視図である。（第１の実施の形態）6 is a view taken along line 6-6 in FIG. (First embodiment) 図７は図３の要部拡大図である。（第１の実施の形態）FIG. 7 is an enlarged view of a main part of FIG. (First embodiment)
１７・・・ピボットフレーム
２０・・・機関本体
２２・・・乗車用シート
２７・・・スイングアーム
２８・・・支軸であるボルト
４０・・・排気装置
４９・・・ステップホルダ
４９ａ・・・支持部
４９ｂ・・・前後延出部
４９ｃ・・・上下延出部
５３・・・ピリオンステップ
５４・・・ブレーキペダル
５４ｄ・・・縦アーム部
５５・・・ペダル軸
５７・・・ストッパ
６３・・・マスタシリンダである第２のマスタシリンダ
６５・・・イコライザ
６６・・・ブレーキ操作力伝達部材であるロッド
７３・・・ディレイスプリング
Ｂ１・・・ディスクブレーキ
Ｂ２・・・ドラムブレーキ
Ｅ・・・内燃機関
Ｆ・・・車体フレーム
ＷＦ・・・前輪
ＷＲ・・・後輪 17 ... Pivot frame 20 ... Engine body 22 ... Riding seat 27 ... Swing arm 28 ... Split bolt 40 ... Exhaust device 49 ... Step holder 49a ... Support part 49b ... Front and rear extension part 49c ... Vertical extension part 53 ... Pillion step 54 ... Brake pedal 54d ... Vertical arm part 55 ... Pedal shaft 57 ... Stopper 63 .... Second master cylinder 65 as master cylinder ... Equalizer 66 ... Rod 73 as brake operating force transmission member ... Delay spring B1 ... Disc brake B2 ... Drum brake E ... Internal combustion engine F ... body frame WF ... front wheel WR ... rear wheel
　以下、本発明の実施の形態について添付の図１～図７を参照しながら説明する。 Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 to 7 attached.
第１の実施の形態First embodiment
先ず図１および図２において、自動二輪車の車体フレームＦは、前輪ＷＦを軸支するフロントフォーク１１および操向ハンドル１２を操向可能に支承するヘッドパイプ１３と、該ヘッドパイプ１３から後下がりに延びるメインフレーム１４と、該メインフレーム１４に連設される左右一対のサブフレーム１５，１５と、前記メインフレーム１４の前端部に連設されるとともにメインフレーム１４よりも急角度で後下がりに延びるダウンフレーム１６と、前記メインフレーム１４の後端部に結合されるピボットフレーム１７とを備える。 1 and 2, a body frame F of a motorcycle includes a head pipe 13 that supports a front fork 11 and a steering handle 12 that pivotally support a front wheel WF, and a head pipe 13 that is rearwardly lowered from the head pipe 13. A main frame 14 that extends, a pair of left and right subframes 15, 15 that are connected to the main frame 14, and a front end portion of the main frame 14 that extends rearward and downward at a steeper angle than the main frame 14. A down frame 16 and a pivot frame 17 coupled to a rear end portion of the main frame 14 are provided.
　前記メインフレーム１４の後部および前記ピボットフレーム１７よりも前方には内燃機関Ｅの機関本体２０が配置される。この機関本体２０は、前記メインフレーム１４、前記ダウンフレーム１６および前記ピボットフレーム１７で囲まれるようにして前記車体フレームＦに搭載されるものであり、前記ダウンフレーム１６の下端部に設けられるエンジンハンガ１８および前記ピボットフレーム１７で前記機関本体２０が支持される。 An engine main body 20 of the internal combustion engine E is disposed in front of the rear portion of the main frame 14 and the pivot frame 17. The engine body 20 is mounted on the vehicle body frame F so as to be surrounded by the main frame 14, the down frame 16, and the pivot frame 17, and an engine hanger provided at a lower end portion of the down frame 16. The engine body 20 is supported by 18 and the pivot frame 17.
　前記機関本体２０の上方でメインフレーム１４上には燃料タンク２１が搭載され、その燃料タンク２１の後方に配置されるタンデム型の乗車用シート２２が前記サブフレーム１５，１５で支持される。 A fuel tank 21 is mounted on the main frame 14 above the engine body 20, and a tandem type riding seat 22 disposed behind the fuel tank 21 is supported by the sub frames 15 and 15.
　前記ピボットフレーム１７は、車幅方向で相互に間隔をあけて対向して上下方向に延びる左右一対の側板部１７ａ，１７ａと、それらの側板部１７ａ，１７ａの上部間を連結する連結板部１７ｂとを一体に有するようにして、金属板材が屈曲成形されて成るものであり、左右一対の側板部１７ａ，１７ａ間には、両端をそれらの側板部１７ａ，１７ａから外側方に突出させるようにしてスイングアーム支持筒２３が設けられる。 The pivot frame 17 includes a pair of left and right side plate portions 17a and 17a that are opposed to each other in the vehicle width direction and extend in the vertical direction, and a connecting plate portion 17b that connects the upper portions of the side plate portions 17a and 17a. Is formed by bending a metal plate material, and between the pair of left and right side plate portions 17a and 17a, both ends are projected outward from the side plate portions 17a and 17a. A swing arm support cylinder 23 is provided.
　前記サブフレーム１５は、プレス加工された金属板材から成る左右一対のフレーム構成部材の周縁部の突き合わせ接合によって中空閉断面を有するように構成されるものであり、このサブフレーム１５は、前記メインフレーム１４の中間部に前端部が連設されて該メインフレーム１４から後方に延びるシートレール部１５ａと、該シートレール部１５ａの前後方向中間部から前下がりに延びるリヤフレーム部１５ｂとを有し、側面視では略Ｙ字状をなすように形成される。 The sub-frame 15 is configured to have a hollow closed cross-section by butt-joining the peripheral edge portions of a pair of left and right frame constituent members made of a pressed metal plate, and the sub-frame 15 includes the main frame. 14 has a seat rail portion 15a having a front end portion connected to the middle portion of the main body 14 and extending rearward from the main frame 14, and a rear frame portion 15b extending downward from the middle portion in the front-rear direction of the seat rail portion 15a. It is formed so as to be substantially Y-shaped in a side view.
　左右一対のシートレール部１５ａ，１５ａに対する前記リヤフレーム部１５ｂ，１５ｂの連設部よりも前方の部分で両シートレール部１５ａ，１５ａ間には第１のクロス部材２４が設けられ、両シートレール部１５ａ，１５ａの後端部間には第２のクロス部材２５が設けられる。また前記乗車用シート２２は両サブフレーム１５，１５の前記シートレール部１５ａ，１５ａで支持され、前記リヤフレーム部１５ｂ，１５ｂの前端部は前記ピボットフレーム１７に連設される。 A first cross member 24 is provided between the seat rail portions 15a and 15a at a portion in front of the connecting portion of the rear frame portions 15b and 15b with respect to the pair of left and right seat rail portions 15a and 15a. A second cross member 25 is provided between the rear end portions of the portions 15a and 15a. The riding seat 22 is supported by the seat rail portions 15 a and 15 a of both the subframes 15 and 15, and the front end portions of the rear frame portions 15 b and 15 b are connected to the pivot frame 17.
　前記シートレール部１５ａ，１５ａへの前記リヤフレーム部１５ｂ，１５ｂの連設部に対応する部分で前記シートレール部１５ａ，１５ａ間には、外端部をそれらのシートレール部１５ａ，１５ａから突出させるようにしてクロスパイプ２６が設けられる。一方、前記ピボットフレーム１７には、後輪ＷＲを後端部で軸支するスイングアーム２７の前端部が、前記スイングアーム支持筒２３に挿通される支軸としてのボルト２８を介して揺動可能に支承されており、前記クロスパイプ２６の両端部および前記スイングアーム２７間にはリヤクッション２９がそれぞれ設けられる。 A portion corresponding to the connecting portion of the rear frame portions 15b, 15b to the seat rail portions 15a, 15a projects an outer end portion between the seat rail portions 15a, 15a from the seat rail portions 15a, 15a. In this way, the cross pipe 26 is provided. On the other hand, on the pivot frame 17, the front end portion of the swing arm 27 that pivotally supports the rear wheel WR at the rear end portion is swingable via a bolt 28 as a support shaft inserted through the swing arm support cylinder 23. Rear cushions 29 are provided between both ends of the cross pipe 26 and the swing arm 27, respectively.
　前記燃料タンク２１の前部ならびにその前部寄り両側面は前記車体フレームＦの前部で支持されるシュラウド３０で覆われており、前記エンジンＥの一部、前記メインフレーム１４の一部および前記サブフレーム１５の前部は、前記車体フレームＦで支持されて前記燃料タンク２１の下方に配置される左右一対のサイドカバー３１で側方から覆われ、前記サブフレーム１５の後部はサブフレーム１５で支持されたリヤカバー３２で側方から覆われる。 The front portion of the fuel tank 21 and both side surfaces near the front portion are covered with a shroud 30 supported by the front portion of the vehicle body frame F, and a part of the engine E, a part of the main frame 14 and the The front portion of the subframe 15 is supported from the side by a pair of left and right side covers 31 that are supported by the vehicle body frame F and disposed below the fuel tank 21, and the rear portion of the subframe 15 is the subframe 15. The rear cover 32 is supported from the side.
　図３を併せて参照して、前記内燃機関Ｅが備える吸気装置３４は前記機関本体２０におけるシリンダヘッド３３の後部側面に接続されており、この吸気装置３４は、側面視で前記サブフレーム１５のシートレール部１５ａおよびリヤフレーム部１５ｂで囲まれる位置に配置されて前記サイドカバー３１で側方から覆われるエアクリーナ３５と、該エアクリーナ３５に接続されるスロットルボディ３６と、該スロットルボディ３６および前記シリンダヘッド３３間を結ぶ吸気管３７とを備える。また前記エアクリーナ３５の下部には、前記サイドカバー３１を開放することで工具の出し入れを可能としたツールボックス３８が設けられる。 Referring also to FIG. 3, the intake device 34 provided in the internal combustion engine E is connected to the rear side surface of the cylinder head 33 in the engine body 20, and the intake device 34 is connected to the subframe 15 in a side view. An air cleaner 35 disposed at a position surrounded by the seat rail portion 15a and the rear frame portion 15b and covered from the side by the side cover 31, a throttle body 36 connected to the air cleaner 35, the throttle body 36 and the cylinder An intake pipe 37 connecting the heads 33 is provided. A tool box 38 is provided below the air cleaner 35. The tool box 38 allows the tool to be taken in and out by opening the side cover 31.
　また前記内燃機関Ｅが備える排気装置４０は前記シリンダヘッド３３の前部側面に接続されるものであり、前記シリンダヘッド３３の前部側面から前記機関本体２０の下方を通って後方に延びる排気管４１と、前記後輪ＷＲの右側方で後上がりに延びるように配置されて前記排気管４１の下流端に接続される排気マフラー４２とを備える。 Further, the exhaust device 40 provided in the internal combustion engine E is connected to the front side surface of the cylinder head 33 and extends from the front side surface of the cylinder head 33 to the rear through the lower side of the engine body 20. 41, and an exhaust muffler 42 that is arranged to extend rearward on the right side of the rear wheel WR and is connected to the downstream end of the exhaust pipe 41.
　前記排気管４１の前記排気マフラー４２寄り下流端部は、排気管４１に取付けられる遮熱カバー４３で覆われ、前記排気マフラー４２は、該排気マフラー４２および右側のステップホルダ４９に取付けられるマフラーカバー４４で覆われる。 The downstream end of the exhaust pipe 41 closer to the exhaust muffler 42 is covered with a heat insulating cover 43 attached to the exhaust pipe 41, and the exhaust muffler 42 is attached to the exhaust muffler 42 and the right step holder 49. 44.
　図４を併せて参照して、前記ピボットフレーム１７における前記側板部１７ａ，１７ａの下部内面には、相互に同軸に配置される短円筒状の筒部材４５，４５が固着されており、メインスタンド４６がその基部に備える円筒部４６ａが前記筒部材４５，４５間に配置され、筒部材４５，４５および円筒部４６ａにスタンド軸４７が挿通される。これによりメインスタンド４６が前記スタンド軸４７を介して前記ピボットフレーム１７の下部に回動可能に支持される。 Referring also to FIG. 4, short cylindrical tube members 45, 45 arranged coaxially with each other are fixed to the lower inner surfaces of the side plate portions 17 a, 17 a in the pivot frame 17. A cylindrical portion 46a provided at a base portion 46 is disposed between the cylindrical members 45 and 45, and a stand shaft 47 is inserted into the cylindrical members 45 and 45 and the cylindrical portion 46a. As a result, the main stand 46 is rotatably supported by the lower portion of the pivot frame 17 via the stand shaft 47.
　前記スイングアーム２７は前記後輪ＷＲの左右両側で前後方向に延びる左右一対のアーム部２７ａ，２７ａを有しており、それらのアーム部２７ａ，２７ａの前端部は、前記ピボットフレーム１７に設けられるスイングアーム支持筒２３の両端部に並ぶように配置される。 The swing arm 27 has a pair of left and right arm portions 27a, 27a extending in the front-rear direction on both left and right sides of the rear wheel WR, and the front end portions of the arm portions 27a, 27a are provided on the pivot frame 17. It arrange | positions so that it may be located in a line with the both ends of the swing arm support cylinder 23.
　車幅方向で前記ピボットフレーム１７の左右外側にはステップホルダ４８，４９が配置されており、それらのステップホルダ４８，４９は、前記スイングアーム２７のアーム部２７ａ，２７ａの前端部を前記ピボットフレーム１７の前記スイングアーム支持筒２３との間に挟むように配置され、左側のステップホルダ４８側から該ステップホルダ４８、左側のアーム部２７ａの前端部、前記スイングアーム支持筒２３、右側の前記アーム部２７ａの前端部および右側のステップホルダ４９に、前記左側のステップホルダ４８に外側から当接、係合する拡径突部２８ａを有する前記ボルト２８が挿通され、右側のステップホルダ４９からの前記ボルト２８の突出部に、右側のステップホルダ４９に当接、係合するナット５０が螺合される。 Step holders 48 and 49 are disposed on the left and right outer sides of the pivot frame 17 in the vehicle width direction. The step holders 48 and 49 are arranged so that the front ends of the arm portions 27a and 27a of the swing arm 27 are connected to the pivot frame. 17 from the left step holder 48 side to the step holder 48, the front end portion of the left arm portion 27a, the swing arm support tube 23, and the right arm. The bolt 28 having the enlarged-diameter protrusion 28 a that is in contact with and engaged with the left step holder 48 from the outside is inserted into the front end portion of the portion 27 a and the right step holder 49, and the bolt from the right step holder 49 is inserted. A nut 50 that contacts and engages with the step holder 49 on the right side is screwed onto the protruding portion of the bolt 28.
　すなわち前記ピボットフレーム１７には、前記スイングアーム２７の前端部がボルト２８を介して揺動可能に支承されるとともに、左右一対のステップホルダ４８，４９が前記ボルト２８を介して固定されることになる。 That is, the pivot frame 17 is supported such that the front end portion of the swing arm 27 is swingable via the bolt 28, and a pair of left and right step holders 48 and 49 are fixed via the bolt 28. Become.
　前記ステップホルダ４８，４９は、前記ボルト２８を介して前記ピボットフレーム１７に固定される支持部４８ａ，４９ａと、該支持部４８ａ，４９ａから車両前後方向後方に延びる前後延出部４８ｂ，４９ｂと、側面視で前記スイングアーム２７の下方まで延びるようにして前記支持部４８ａ，４９ａから下方に延びる上下延出部４８ｃ，４９ｃとを一体に有するように形成される。 The step holders 48 and 49 include support portions 48a and 49a fixed to the pivot frame 17 via the bolts 28, and front and rear extension portions 48b and 49b extending rearward in the vehicle front-rear direction from the support portions 48a and 49a. The upper and lower extending portions 48c and 49c extending downward from the support portions 48a and 49a so as to extend to the lower side of the swing arm 27 in a side view are integrally formed.
　ところで、左側のステップホルダ４８の上下延出部４８ｃが、該上下延出部４８ｃの下端部を前記ピボットフレーム１７の左側の側板部１７ａの下部に近接させるように形成されるのに対して、右側のステップホルダ４９の上下延出部４９ｃは、該上下延出部４９ｃの下端部を前記ピボットフレーム１７の右側の側板部１７ａの下部から比較的離隔した位置に配置するように形成されており、前記ピボットフレーム１７における両側板部１７ａ，１７ａの下部には、右側の側板部１７ａからの突出量を左側の側板部１７ａからの突出量よりも大きくした支持筒５１が両側板部１７ａ，１７ａを貫通するようにして固着される。この支持筒５１の両端部に当接された前記上下延出部４８ｃ，４９ｃが、前記上下延出部４８ｃ，４９ｃおよび前記支持筒５１に挿通されるボルト５２（図３および図６参照）ならびに該ボルト５２に螺合されるナット（図示せず）によって前記ピボットフレーム１７の下部に固定される。すなわちステップホルダ４８，４９は、その支持部４８ａ，４９ａが前記ピボットフレーム１７に固定されるとともに、上下延出部４８ｃ，４９ｃの下部が前記ピボットフレーム１７に固定される。 By the way, the vertical extension 48c of the left step holder 48 is formed so that the lower end of the vertical extension 48c is close to the lower part of the left side plate 17a of the pivot frame 17, whereas The vertical extension 49c of the right step holder 49 is formed so that the lower end of the vertical extension 49c is disposed at a position relatively spaced from the lower portion of the right side plate 17a of the pivot frame 17. At the lower part of the both side plate portions 17a, 17a of the pivot frame 17, a support cylinder 51 in which the protruding amount from the right side plate portion 17a is larger than the protruding amount from the left side plate portion 17a is provided on both side plate portions 17a, 17a. It is fixed so as to penetrate. Bolts 52 (see FIGS. 3 and 6) through which the vertically extending portions 48c and 49c in contact with both ends of the supporting tube 51 are inserted into the vertically extending portions 48c and 49c and the supporting tube 51, and The bolt 52 is fixed to the lower portion of the pivot frame 17 by a nut (not shown) screwed. That is, the support portions 48 a and 49 a of the step holders 48 and 49 are fixed to the pivot frame 17, and the lower portions of the vertically extending portions 48 c and 49 c are fixed to the pivot frame 17.
　また前記ステップホルダ４８，４９には、前記乗車用シート２２の後部に乗った同乗者が足を載せることを可能としたピリオンステップ５３，５３が取付けられるものであり、それらのピリオンステッップ５３，５３は、前記前後延出部４８ｂ，４９ｂの後部に設けられた前記支持部４８ａ，４９ａに、ステップホルダ４８，４９側に折り畳んだ折り畳み位置と、前記ステップホルダ４８，４９から側方に突出した突出位置との間での回動を可能として取付けられる。 Further, the step holders 48 and 49 are attached with pillion steps 53 and 53 that allow a passenger who rides on the rear part of the riding seat 22 to put his / her feet on. , 53 project from the step holders 48, 49 to the folding positions where the support portions 48a, 49a provided at the rear portions of the front and rear extension portions 48b, 49b are folded to the side of the step holders 48, 49 and to the sides. It can be mounted so as to be able to rotate between the protruding positions.
　図５および図６を併せて参照して、右側の前記ステップホルダ４９には、ブレーキペダル５４がペダル軸５５を介して回動可能に支承されるものであり、右側のステップホルダ４９の前記上下延出部４９ｃは、車両前後方向後方に突出するペダル軸支持部４９ｅを一体に有し、車幅方向に延びる前記ペダル軸５５の一端部が前記ペダル軸支持部４９ｅにモールド結合される。 Referring to FIGS. 5 and 6 together, a brake pedal 54 is rotatably supported on the right step holder 49 via a pedal shaft 55. The extending portion 49c integrally has a pedal shaft support portion 49e protruding rearward in the vehicle front-rear direction, and one end portion of the pedal shaft 55 extending in the vehicle width direction is mold-coupled to the pedal shaft support portion 49e.
　前記ペダル軸５５は、側面視で前記スイングアーム２７よりも下方かつ前記排気装置４０の一部と重なる位置に少なくとも一部が配置されるものであり、この実施の形態では前記排気装置４０における排気管４１の下流端部に、側面視で前記ペダル軸５５の一部が配置される。 The pedal shaft 55 is disposed at least partially below the swing arm 27 in a side view and overlaps with a part of the exhaust device 40. In this embodiment, the exhaust in the exhaust device 40 is exhausted. A part of the pedal shaft 55 is disposed at the downstream end of the pipe 41 in a side view.
　前記ブレーキペダル５４は、前記ペダル軸５５で回動可能に支持される円筒状の支持筒部５４ａと、該支持筒部５４ａから車両前後方向に沿う前方に延びる横アーム部５４ｂと、該横アーム部５４ｂの前端に設けられるペダル部５４ｃと、上下に延びるようにして前記支持筒部５４ａに連設される縦アーム部５４ｄとを備えており、このブレーキペダル５４は、側面視で前記スイングアーム２７よりも下方で前記ペダル軸５５を介して前記上下延出部４９ｃのペダル軸支持部４９ｅに回動可能に支承されることになる。 The brake pedal 54 includes a cylindrical support cylinder portion 54a that is rotatably supported by the pedal shaft 55, a horizontal arm portion 54b that extends forward from the support cylinder portion 54a in the vehicle longitudinal direction, and the horizontal arm. A pedal portion 54c provided at the front end of the portion 54b, and a vertical arm portion 54d connected to the support cylinder portion 54a so as to extend in the vertical direction. The brake pedal 54 has the swing arm in a side view. 27, it is rotatably supported by the pedal shaft support portion 49e of the vertical extending portion 49c via the pedal shaft 55.
　前記横アーム部５４ｂは、車両前後方向に沿う後端部および前端部を上方に屈曲させた金属パイプから成り、この金属パイプの後端部が前記支持筒部５４ａに溶接される。また前記縦アーム部５４ｄは、少なくとも上端部を前記前後延出部４９ｂの裏側に配置するようにして、車幅方向で前記スイングアーム２７および前記ステップホルダ４９間に配置される。 The lateral arm portion 54b is formed of a metal pipe having a rear end portion and a front end portion that are bent upward in the vehicle front-rear direction, and the rear end portion of the metal pipe is welded to the support cylinder portion 54a. The vertical arm portion 54d is disposed between the swing arm 27 and the step holder 49 in the vehicle width direction so that at least an upper end portion is disposed on the back side of the front-rear extension portion 49b.
　前記ブレーキペダル５４における前記横アーム部５４ｂの後端部に、前記ブレーキペダル５４を戻し側に付勢するばね力を発揮するリターンスプリング５６の一端部が連結され、このリターンスプリング５６の他端部は、前記ステップホルダ４９における上下延出部４９ｃの下端部に連結される。 One end portion of a return spring 56 that exerts a spring force that biases the brake pedal 54 toward the return side is connected to the rear end portion of the lateral arm portion 54 b of the brake pedal 54, and the other end portion of the return spring 56. Is connected to the lower end of the vertically extending portion 49 c of the step holder 49.
　また前記ステップホルダ４９の下部には、前記ブレーキペダル５４の戻り側の回動端を規制するストッパ５７が取付けられるものであり、この実施の形態では前記ステップホルダ４９における上下延出部４９ｃの下端部に、前記ストッパ５７がボルト５８およびナット５９によって取付けられる。 A stopper 57 for restricting the return end of the brake pedal 54 is attached to the lower portion of the step holder 49. In this embodiment, the lower end of the vertically extending portion 49c of the step holder 49 is provided. The stopper 57 is attached to the portion by a bolt 58 and a nut 59.
　図１に注目して、前記操向ハンドル１２の右端部には、ブレーキレバー６１が回動操作可能に取付けられるとともに、該ブレーキレバー６１の回動操作に応じてブレーキ液圧を出力する第１のマスタシリンダ６２が取付けられる。 Referring to FIG. 1, a brake lever 61 is attached to the right end portion of the steering handle 12 so as to be capable of rotating, and a brake hydraulic pressure is output according to the rotating operation of the brake lever 61. A master cylinder 62 is attached.
　また前輪ＷＦには、前記ブレーキレバー６１の操作に応じてブレーキ作動するとともに前記ブレーキペダル５４の踏み込み操作によってもブレーキ作動するディスクブレーキＢ１が設けられ、後輪ＷＲには、前記ブレーキペダル５４の踏み込み操作によってブレーキ作動するドラムブレーキＢ２が設けられる。 Further, the front wheel WF is provided with a disc brake B1 which is braked according to the operation of the brake lever 61 and also braked by the depression of the brake pedal 54, and the rear wheel WR is depressed of the brake pedal 54. A drum brake B2 is provided that is braked by operation.
　図６に注目して、前記右側のステップホルダ４９の裏面側には、前記ディスクブレーキＢ１をブレーキ作動させる液圧を発生させることを可能とした第２のマスタシリンダ６３が配置されており、この第２のマスタシリンダ６３は、前上がりにわずかに傾斜しつつ前記ステップホルダ４９における前後延出部４９ｂの前部の裏面側に取付けられる。すなわち第２のマスタシリンダ６３は、前記前後延出部４９ｂの前部の裏面に一対のボルト６４，６４によって取付けられる。 Paying attention to FIG. 6, a second master cylinder 63 capable of generating a hydraulic pressure for operating the disc brake B <b> 1 is disposed on the back side of the right step holder 49. The second master cylinder 63 is attached to the back side of the front part of the front-rear extension part 49b in the step holder 49 while slightly tilting forward. In other words, the second master cylinder 63 is attached to the back surface of the front part of the front-rear extension part 49b by a pair of bolts 64, 64.
　前記ブレーキペダル５４による操作力は、イコライザ６５を介して第２のマスタシリンダ６３に入力されるとともに、後輪ＷＲのドラムブレーキＢ２にブレーキ操作力を機械的に伝達するブレーキ操作力伝達部材としてのロッド６６にも入力されるものであり、前記イコライザ６５の中間部は、前記ブレーキペダル５４における縦アーム部５４ｄの裏側で該縦アーム部５４ｄの上端部に軸６７を介して回動可能に連結される。 The operation force by the brake pedal 54 is input to the second master cylinder 63 via the equalizer 65, and as a brake operation force transmission member that mechanically transmits the brake operation force to the drum brake B2 of the rear wheel WR. The intermediate portion of the equalizer 65 is also connected to the upper end portion of the vertical arm portion 54d on the rear side of the vertical arm portion 54d of the brake pedal 54 via a shaft 67 so as to be rotatable. Is done.
　前記イコライザ６５の上端部には、該イコライザ６５の前方に配置される第２のマスタシリンダ６３のピストンロッド６８が連結ピン６９を介して連結される。また前記イコライザ６５の下端部には、前記ロッド６６の一端部が連結ピン７０を介して連結され、このロッド６６の他端部は、図１で明示するように、前記ドラムブレーキＢ２が備える入力腕７１の先端部に連結ピン７２を介して連結される。 The piston rod 68 of the second master cylinder 63 disposed in front of the equalizer 65 is connected to the upper end portion of the equalizer 65 via a connection pin 69. One end of the rod 66 is connected to the lower end of the equalizer 65 via a connecting pin 70, and the other end of the rod 66 is input to the drum brake B2 as clearly shown in FIG. The tip of the arm 71 is connected via a connecting pin 72.
　前記イコライザ６５およびステップホルダ４９間には、前記ブレーキペダル５４の踏み込み操作に応じて、前記ロッド６６を牽引するように前記イコライザ６５が作動した後に第２のマスタシリンダ６３の前記ピストンロッド６８を押し込むようにして、ブレーキペダル５４の踏み込み操作初期の前記縦アーム部５４ｄに対する前記イコライザ６５の相対姿勢を制御するディレイスプリング７３が設けられており、前記イコライザ６５の上端部側と、前記前後延出部４９ｂの後部との間に介設される前記ディレイスプリング７３は、前記前後延出部４９ｂの長手方向に沿って延びて前後延出部４９ｂの裏側に配置される。 Between the equalizer 65 and the step holder 49, the piston rod 68 of the second master cylinder 63 is pushed in after the equalizer 65 is actuated so as to pull the rod 66 in response to the depression operation of the brake pedal 54. Thus, the delay spring 73 for controlling the relative posture of the equalizer 65 with respect to the vertical arm portion 54d at the initial stage of the depression operation of the brake pedal 54 is provided, and the upper end portion side of the equalizer 65 and the front-rear extension portion are provided. The delay spring 73 interposed between the rear part of 49b extends along the longitudinal direction of the front / rear extension part 49b and is disposed on the back side of the front / rear extension part 49b.
　第２のマスタシリンダ６３から出力される液圧を導く液圧ホース７５は、右側のサイドカバー３１およびシュラウド３０内を経て前輪ＷＦのディスクブレーキＢ１のキャリパ７６に接続される。また第１のマスタシリンダ６２からの液圧を導く液圧ホース７７も前記キャリパ７６に接続される。 The hydraulic hose 75 that guides the hydraulic pressure output from the second master cylinder 63 is connected to the caliper 76 of the disc brake B1 of the front wheel WF via the right side cover 31 and the shroud 30. A hydraulic hose 77 that guides the hydraulic pressure from the first master cylinder 62 is also connected to the caliper 76.
　右側の前記サイドカバー３１の下縁３１ａは、右側の前記ステップホルダ４９の少なくとも前部の上縁４９ｆを外方から覆いつつ該上縁４９ｆに沿うように配置されており、第２のマスタシリンダ６３も、その一部が右側のステップホルダ４９の裏側から右側の前記サイドカバー３１内に突出するように配置され、前記液圧ホース７５は前記サイドカバー３１内で第２のマスタシリンダ６３に接続される。 The lower edge 31a of the right side cover 31 is disposed along the upper edge 49f while covering at least the upper edge 49f of the right step holder 49 from the outside. 63 is also arranged so that a part thereof protrudes from the back side of the right step holder 49 into the right side cover 31, and the hydraulic hose 75 is connected to the second master cylinder 63 in the side cover 31. Is done.
　図７を併せて参照して、第２のマスタシリンダ６３にブレーキ液を供給するためのリザーバ７８が第２のマスタシリンダ６３の前上方に配置されており、このリザーバ７８は、車体フレームＦのメインフレーム１４に固定されるステー７９で支持される。リザーバ７８はブレーキ液を導くホース８０で第２のマスタシリンダ６３に接続される。 Referring also to FIG. 7, a reservoir 78 for supplying brake fluid to the second master cylinder 63 is disposed at the front upper side of the second master cylinder 63, and the reservoir 78 is disposed on the vehicle body frame F. It is supported by a stay 79 fixed to the main frame 14. The reservoir 78 is connected to the second master cylinder 63 by a hose 80 that guides brake fluid.
　しかも前記リザーバ７８は、その内部に貯留されるブレーキ液の貯留レベルを外部から視認することを可能として透明な合成樹脂で形成されており、このリザーバ７８を外側方から覆う右側の前記サイドカバー３１には、前記リザーバ７８の一部を外部から視認可能とした点検窓８１が形成される。 Moreover, the reservoir 78 is formed of a transparent synthetic resin so that the storage level of the brake fluid stored in the reservoir 78 can be visually recognized from the outside, and the right side cover 31 that covers the reservoir 78 from the outside. An inspection window 81 is formed in which a part of the reservoir 78 is visible from the outside.
　図５および図６に注目して、右側の前記ステップホルダ４９には、前記ブレーキペダル５４の作動を検知するブレーキスイッチ８４が取付けられており、このブレーキスイッチ８４は、前記ステップホルダ４９における前後延出部４９ｂの長手方向に沿って長く延びて該前後延出部４９ｂの後部裏面に支持される。すなわち前記前後延出部４９ｂの後部裏面には、支持板部４９ｇが一体に突設されており、前記ブレーキスイッチ８４は、該支持板部４９ｇに挿通、支持される。 5 and 6, a brake switch 84 for detecting the operation of the brake pedal 54 is attached to the right step holder 49, and the brake switch 84 extends in the front-rear direction in the step holder 49. It extends long along the longitudinal direction of the protruding portion 49b and is supported by the rear rear surface of the front-rear extending portion 49b. That is, a support plate portion 49g is integrally projected on the rear rear surface of the front-rear extension portion 49b, and the brake switch 84 is inserted and supported by the support plate portion 49g.
　このブレーキスイッチ８４には、前記ブレーキペダル５４における前記縦アーム部５４ｄの上端部が連結されるものであり、この実施の形態では、前記縦アーム部５４ｄの上端部に係合、連結されるフック部８５ａを一端部に有する連結ロッド８５の他端部がスプリング８６を介して前記ブレーキスイッチ８４に連結される。 The brake switch 84 is connected to the upper end portion of the vertical arm portion 54d of the brake pedal 54. In this embodiment, the hook is engaged with and connected to the upper end portion of the vertical arm portion 54d. The other end of the connecting rod 85 having the portion 85 a at one end is connected to the brake switch 84 via a spring 86.
　前記ブレーキスイッチ８４から延出されるブレーキスイッチケーブル８７は、前記前後延出部４９ｂの上部の裏面側を前方側に延びるように配索されるのであるが、そのブレーキスイッチケーブル８７の一部は、前記前後延出部４９ｂの上部の裏面に取付けられた２つのケーブルホルダ８８，８９によって前後延出部４９ｂの裏面側で支持される。 The brake switch cable 87 extended from the brake switch 84 is routed so that the back side of the upper part of the front and rear extension 49b extends forward, and a part of the brake switch cable 87 is It is supported on the back side of the front and rear extension 49b by two cable holders 88 and 89 attached to the upper back of the front and rear extension 49b.
　２つの前記ケーブルホルダ８８，８９のうち前方側のケーブルホルダ８９のさらに前方で前記ステップホルダ４９における前記前後延出部４９ｂの裏面には、車幅方向に指向する締結部材であるボルト９０によってクリップ支持部材９１が締結されており、車両前後方向に沿う前方または後方（この実施の形態では後方）に臨む支持面９３が前記クリップ支持部材９１に形成され、その支持面９３に支持されるケーブルクリップ９２で前記ブレーキスイッチケーブル８７が保持される。 A clip 90 is attached to the back surface of the front and rear extension 49b of the step holder 49 in front of the cable holder 89 on the front side of the two cable holders 88 and 89 by a bolt 90 that is a fastening member oriented in the vehicle width direction. The support member 91 is fastened, and a support surface 93 that faces the front or rear (rear in this embodiment) along the vehicle front-rear direction is formed on the clip support member 91 and is supported by the support surface 93. At 92, the brake switch cable 87 is held.
　前記クリップ支持部材９１は、前記ボルト９０で前記前後延出部４９ｂの裏面に締結される取付け板部９１ａと、該取付け板部９１ａに連設される支持板部９１ｂとを一体に有しており、前記支持板部９１ｂに前記支持面９３が形成される。 The clip support member 91 integrally includes a mounting plate portion 91a fastened to the back surface of the front / rear extension portion 49b by the bolt 90 and a support plate portion 91b provided continuously to the mounting plate portion 91a. The support surface 93 is formed on the support plate portion 91b.
　しかも前記前後延出部４９ｂの裏面には、前記取付け板部９１ａを前後から挟む一対の突部９４，９５が一体に突設されており、それらの突部９４，９５間に挟まれることで前記取付け板部９１ａの回り止めが果たされるので、単一のボルト９０だけで前記クリップ支持部材９１を前記前後延出部４９ｂに締結することができる。 In addition, a pair of protrusions 94 and 95 that sandwich the mounting plate 91a from the front and rear are integrally formed on the back surface of the front and rear extension 49b, and are sandwiched between the protrusions 94 and 95. Since the attachment plate portion 91a is prevented from rotating, the clip support member 91 can be fastened to the front-rear extension portion 49b with only a single bolt 90.
　また前記突部９４，９５のうち後方側の突部９５は、前記ブレーキペダル５４における前記縦アーム部５４ｄに前方から対向する位置に配置されており、前記ブレーキペダル５４を最大限踏み込んだ際に前記縦アーム部５４ｄに当接することでブレーキペダル５４の最大回動位置を規制する。 Further, of the protrusions 94 and 95, the rear protrusion 95 is disposed at a position facing the vertical arm 54d of the brake pedal 54 from the front, and when the brake pedal 54 is fully depressed. The maximum rotation position of the brake pedal 54 is regulated by contacting the vertical arm portion 54d.
　次にこの実施の形態の作用について説明すると、車体フレームＦに固定される右側のステップホルダ４９に、同乗者が足を載せることを可能としたピリオンステップ５３が取付けられるとともにブレーキペダル５４がペダル軸５５を介して回動可能に支承され、前記ブレーキペダル５４の作動を検知するブレーキスイッチ８４が前記ステップホルダ４９に取付けられるのであるが、前記ステップホルダ４９は、ボルト２８を介してピボットフレーム１７に固定される支持部４９ａと、その支持部４９ａから車両前後方向後方に延びる前後延出部４９ｂとを一体に有するように形成され、ブレーキペダル５４が、少なくとも上端部を前記前後延出部４９ｂの裏側に配置するようにして上下に延びる縦アーム部５４ｄを有するように形成され、前後延出部４９ｂの長手方向に沿って長く延びて該前後延出部４９ｂの裏面に支持される前記ブレーキスイッチ８４に、前記縦アーム部５４ｄの上端部が連結されるので、ステップホルダ４９の大型化および部品点数の増大を回避しつつブレーキスイッチ８４が外部から見えないようにして意匠性を高めることができるとともにブレーキスイッチ８４への悪戯防止を図ることができる。 Next, the operation of this embodiment will be described. A pillion step 53 that allows a passenger to put his / her foot on is attached to the right step holder 49 fixed to the vehicle body frame F, and the brake pedal 54 is connected to the pedal shaft. A brake switch 84 that is rotatably supported via 55 and detects the operation of the brake pedal 54 is attached to the step holder 49. The step holder 49 is attached to the pivot frame 17 via a bolt 28. A fixed support part 49a and a front / rear extension part 49b extending rearward in the vehicle front-rear direction from the support part 49a are integrally formed, and the brake pedal 54 has at least an upper end portion of the front / rear extension part 49b. It is formed so as to have a vertical arm portion 54d extending vertically so as to be arranged on the back side, Since the upper end portion of the vertical arm portion 54d is connected to the brake switch 84 that extends along the longitudinal direction of the rear extension portion 49b and is supported on the back surface of the front and rear extension portion 49b, the step holder 49 While avoiding an increase in size and an increase in the number of parts, the design can be improved by preventing the brake switch 84 from being seen from the outside, and mischief to the brake switch 84 can be prevented.
　またブレーキスイッチ８４から延出されるブレーキスイッチケーブル８７の一部が前記前後延出部４９ｂの裏面側で支持されるので、ブレーキスイッチ８４の近傍ではブレーキスイッチケーブル８７も外部に露出することがなく、意匠性をより高めることができ、ブレーキスイッチケーブル８７への悪戯防止を図ることができる。 Further, since a part of the brake switch cable 87 extending from the brake switch 84 is supported on the back side of the front / rear extending portion 49b, the brake switch cable 87 is not exposed to the outside in the vicinity of the brake switch 84, The design can be further improved, and mischief to the brake switch cable 87 can be prevented.
　またステップホルダ４９に、前記支持部４９ａから下方に延びる上下延出部４９ｃが一体に形成され、前記ブレーキペダル５４を戻し側に付勢するばね力を発揮するようにして該ブレーキペダル５４に一端部が連結されるリターンスプリング５６の他端部が、前記上下延出部４９ｃの下端部に連結されるので、上下方向でのスペースが限られているステップホルダ４９の近傍でリターンスプリング５６の配置に伴う大型化を抑制することができる。 Further, the step holder 49 is integrally formed with a vertically extending portion 49c extending downward from the support portion 49a, and exerts a spring force to bias the brake pedal 54 toward the return side. Since the other end portion of the return spring 56 to which the portion is connected is connected to the lower end portion of the vertically extending portion 49c, the return spring 56 is disposed in the vicinity of the step holder 49 where the space in the vertical direction is limited. Can be prevented from being enlarged.
　また前記縦アーム部５４ｄの上端前部に前記ブレーキスイッチ８４が連結されるので、前後延出部４９ｂの長手方向に沿って長く延びるブレーキスイッチ８４のストローク長さを確保することができる。 Further, since the brake switch 84 is connected to the front upper end of the vertical arm portion 54d, the stroke length of the brake switch 84 extending long along the longitudinal direction of the front / rear extending portion 49b can be ensured.
　また前記ステップホルダ４９の上方に配置されて前記車体フレームＦに支持されるサイドカバー３１の下縁３１ａが、前記ステップホルダ４９の少なくとも前部の上縁４９ｆに沿うように配置されるので、ブレーキスイッチケーブル８７を前記ステップホルダ４９から前記サイドカバー３１の裏面側に延出するようにし、ブレーキスイッチケーブル８７が外部に極力露出しないようにして意匠性をより高めるとともにブレーキスイッチケーブル８７への悪戯防止効果をより高めることができる。 Since the lower edge 31a of the side cover 31 disposed above the step holder 49 and supported by the vehicle body frame F is disposed along at least the upper edge 49f of the front portion of the step holder 49, the brake The switch cable 87 is extended from the step holder 49 to the back side of the side cover 31 so that the brake switch cable 87 is not exposed to the outside as much as possible to improve the design and prevent mischief to the brake switch cable 87. The effect can be further enhanced.
　また前記ブレーキスイッチケーブル８７を保持するケーブルクリップ９２を支持する支持面９３を車両前後方向の後方に臨ませるクリップ支持部材９１が、車幅方向に指向するボルト９０で前記ステップホルダ４９における前記前後延出部４９ｂの裏面に締結されるので、車両前後方向に延びるブレーキスイッチケーブル８７の配索方向をケーブルクリップ９２で車幅方向に変えることが可能であり、クリップ支持部材９１を締結するボルト９０が車幅方向に指向しているので、クリップ支持部材９１を取付けるためにステップホルダ４９に施す加工が容易となる。 A clip support member 91 that causes a support surface 93 that supports the cable clip 92 that holds the brake switch cable 87 to face rearward in the vehicle front-rear direction is extended by the bolt 90 directed in the vehicle width direction in the step holder 49. Since it is fastened to the back surface of the protruding portion 49b, the cable switch 92 can be used to change the direction in which the brake switch cable 87 extends in the vehicle front-rear direction to the vehicle width direction, and the bolt 90 that fastens the clip support member 91 Since it is oriented in the vehicle width direction, the processing applied to the step holder 49 to attach the clip support member 91 is facilitated.
　また前記ステップホルダ４９の上下延出部４９ｃは、側面視で前記スイングアーム２７の下方まで延びるようにして前記支持部４９ａから下方に延びており、内燃機関Ｅの排気装置４０の一部に側面視で重なる位置に前記ペダル軸５５の少なくとも一部が配置され、側面視で前記スイングアーム２７よりも下方で前記上下延出部４９ｃに前記ペダル軸５５を介して回動可能に支承される前記ブレーキペダル５４が、車幅方向で前記スイングアーム２７および前記ステップホルダ４９間に配置されるようにして上下に延びる縦アーム部５４ｄを有するように形成されるので、ブレーキペダル５４の車幅方向側方に排気装置４０が配設されていてもブレーキペダル５４を充分な支持力でステップホルダ４９に支持することができる。 Further, the vertically extending portion 49 c of the step holder 49 extends downward from the support portion 49 a so as to extend below the swing arm 27 in a side view, and a side surface of a part of the exhaust device 40 of the internal combustion engine E. At least a part of the pedal shaft 55 is arranged at a position overlapping in view, and is supported rotatably on the vertical extension portion 49c via the pedal shaft 55 below the swing arm 27 in side view. The brake pedal 54 is formed to have a vertical arm portion 54d extending vertically so as to be disposed between the swing arm 27 and the step holder 49 in the vehicle width direction. Even if the exhaust device 40 is provided, the brake pedal 54 can be supported by the step holder 49 with a sufficient supporting force.
　また前輪ＷＦに設けられたディスクブレーキＢ１をブレーキ作動させる液圧を発生することを可能として前記ステップホルダ４９に取付けられる第２のマスタシリンダ６３と、後輪ＷＲに設けられたドラムブレーキＢ２にブレーキ操作力を機械的に伝達するロッド６６とに、前記ブレーキペダル５４から入力されるブレーキ操作力がイコライザ６５によって分配されるので、前記ブレーキペダル５４の操作によって前輪ＷＦのディスクブレーキＢ１と、後輪ＷＲのドラムブレーキＢ２とを連動してブレーキ作動させるようにした連動ブレーキを構成することができる。 Further, a brake is applied to the second master cylinder 63 attached to the step holder 49 and the drum brake B2 provided to the rear wheel WR so as to be able to generate a hydraulic pressure for operating the disc brake B1 provided on the front wheel WF. Since the brake operation force input from the brake pedal 54 is distributed to the rod 66 that mechanically transmits the operation force by the equalizer 65, the disc brake B1 of the front wheel WF and the rear wheel are operated by the operation of the brake pedal 54. An interlocking brake can be configured in which the brake is operated in conjunction with the WR drum brake B2.
　また第２のマスタシリンダ６３に一端部が連結されるとともに前記ロッド６６に他端部が連結される前記イコライザ６５の中間部が、前記縦アーム部５４ｄの裏側で該縦アーム部５４ｄに連結されるので、ロッド６６をスイングアーム２７側に極力近づけて配置し、後輪ＷＲのドラムブレーキＢ２に車幅方向でより近づけて前記ロッド６６を配置することができる。 An intermediate portion of the equalizer 65 having one end connected to the second master cylinder 63 and the other end connected to the rod 66 is connected to the vertical arm 54d on the back side of the vertical arm 54d. Therefore, the rod 66 can be disposed as close as possible to the swing arm 27 side, and the rod 66 can be disposed closer to the drum brake B2 of the rear wheel WR in the vehicle width direction.
　また前記イコライザ６５の前記一端部側と、前記ステップホルダ４９が一体に有して車両前後方向後方に延びる前後延出部４９ｂの後部との間に、その前後延出部４９ｂの長手方向に沿って延びて前後延出部４９ｂの裏側に配置されるディレイスプリング７３が介設されるので、意匠性を高めつつディレイスプリング７３の長さを確保して必要なばね力を確保することができる。 Further, between the one end side of the equalizer 65 and the rear part of the front / rear extension part 49b that the step holder 49 has integrally and extends rearward in the vehicle front-rear direction, along the longitudinal direction of the front / rear extension part 49b. Since the delay spring 73 that extends and is disposed on the back side of the front-rear extension portion 49b is interposed, the length of the delay spring 73 can be ensured and the necessary spring force can be ensured while enhancing the design.
　さらに前記ブレーキペダル５４の戻り側の回動端を規制するストッパ５７が、前記ステップホルダ４９の下部に取付けられるので、ストッパ５７を含めてステップホルダ４９全体をユニット化することができ、組付け性を高めることができる。 Further, since the stopper 57 for restricting the rotation end of the return side of the brake pedal 54 is attached to the lower portion of the step holder 49, the entire step holder 49 including the stopper 57 can be unitized and assembled. Can be increased.
　以上、本発明の実施の形態について説明したが、本発明は上記実施の形態に限定されるものではなく、その要旨を逸脱することなく種々の設計変更を行うことが可能である。 The embodiments of the present invention have been described above. However, the present invention is not limited to the above-described embodiments, and various design changes can be made without departing from the gist of the present invention.

Claims (5)

  1. 　タンデム型の乗車用シート（２２）を支持する車体フレーム（Ｆ）の一部を構成するピボットフレーム（１７）に、後輪（ＷＲ）を後端部で軸支するスイングアーム（２７）の前端部が支軸（２８）を介して揺動可能に支承され、前記車体フレーム（Ｆ）に固定されるステップホルダ（４９）に、同乗者が足を載せることを可能としたピリオンステップ（５３）が取付けられるとともにブレーキペダル（５４）がペダル軸（５５）を介して回動可能に支承され、前記ピボットフレーム（１７）の前方に内燃機関（Ｅ）の機関本体（２０）が配置される自動二輪車において、前記ステップホルダ（４９）が、前記ピボットフレーム（１７）の車幅方向外側に配置されて該ピボットフレーム（１７）に固定される支持部（４９ａ）と、側面視で前記スイングアーム（２７）の下方まで延びるようにして前記支持部（４９ａ）から下方に延びる上下延出部（４９ｃ）とを一体に有するように形成され、前記内燃機関（Ｅ）の排気装置（４０）の一部に側面視で重なる位置に前記ペダル軸（５５）の少なくとも一部が配置され、側面視で前記スイングアーム（２７）よりも下方で前記上下延出部（４９ｃ）に前記ペダル軸（５５）を介して回動可能に支承される前記ブレーキペダル（５４）が、車幅方向で前記スイングアーム（２７）および前記ステップホルダ（４９）間に配置されるようにして上下に延びる縦アーム部（５４ｄ）を有するように形成されることを特徴とする自動二輪車。 The front end of the swing arm (27) that pivotally supports the rear wheel (WR) at the rear end portion on the pivot frame (17) that constitutes a part of the vehicle body frame (F) that supports the tandem riding seat (22). A pillion step (53) in which a passenger can place his / her foot on a step holder (49) fixed to the vehicle body frame (F), with the part supported in a swingable manner via a support shaft (28). The brake pedal (54) is rotatably supported via the pedal shaft (55), and the engine body (20) of the internal combustion engine (E) is disposed in front of the pivot frame (17). In the two-wheeled vehicle, the step holder (49) is disposed on the outer side in the vehicle width direction of the pivot frame (17) and is fixed to the pivot frame (17). The exhaust device (E) of the internal combustion engine (E) is integrally formed with a vertically extending portion (49c) extending downward from the support portion (49a) so as to extend below the swing arm (27). 40) At least a part of the pedal shaft (55) is disposed at a position overlapping with a part of the pedal 40 in a side view, and the pedal extends to the vertically extending portion (49c) below the swing arm 27 in a side view. The brake pedal (54) rotatably supported via a shaft (55) extends vertically so as to be disposed between the swing arm (27) and the step holder (49) in the vehicle width direction. A motorcycle having a vertical arm portion (54d).
  2. 　前輪（ＷＦ）に設けられたディスクブレーキ（Ｂ１）をブレーキ作動させる液圧を発生することを可能として前記ステップホルダ（４９）に取付けられるマスタシリンダ（６３）と、後輪（ＷＲ）に設けられたドラムブレーキ（Ｂ２）にブレーキ操作力を機械的に伝達するブレーキ操作力伝達部材（６６）と、前記ブレーキペダル（５４）から入力されるブレーキ操作力を前記マスタシリンダ（６３）および前記ブレーキ操作力伝達部材（６６）に分配するイコライザ（６５）とを備えることを特徴とする請求項１に記載の自動二輪車。 A master cylinder (63) attached to the step holder (49) and capable of generating a hydraulic pressure for operating the disc brake (B1) provided on the front wheel (WF), and a rear wheel (WR). A brake operation force transmission member (66) for mechanically transmitting a brake operation force to the drum brake (B2), and a brake operation force input from the brake pedal (54) as the master cylinder (63) and the brake operation The motorcycle according to claim 1, further comprising an equalizer (65) that distributes the force transmission member (66).
  3. 　前記マスタシリンダ（６３）に一端部が連結されるとともに前記ブレーキ操作力伝達部材（６６）に他端部が連結される前記イコライザ（６５）の中間部が、前記縦アーム部（５４ｄ）の裏側で該縦アーム部（５４ｄ）に連結されることを特徴とする請求項２に記載の自動二輪車。 An intermediate portion of the equalizer (65), one end of which is connected to the master cylinder (63) and the other end of which is connected to the brake operating force transmission member (66), is the back side of the vertical arm portion (54d). The motorcycle according to claim 2, wherein the motorcycle is connected to the vertical arm portion (54d).
  4. 　前記ステップホルダ（４９）が、前記支持部（４９ａ）から車両前後方向後方に延びる前後延出部（４９ｂ）を一体に有するように形成され、前記イコライザ（６５）の前記一端部側と、前記前後延出部（４９ｂ）の後部との間に、前記前後延出部（４９ｂ）の長手方向に沿って延びて前後延出部（４９ｂ）の裏側に配置されるディレイスプリング（７３）が介設されることを特徴とする請求項３に記載の自動二輪車。 The step holder (49) is integrally formed with a front-rear extension part (49b) extending rearward in the vehicle front-rear direction from the support part (49a), the one end side of the equalizer (65), A delay spring (73) that extends along the longitudinal direction of the front-rear extension part (49b) and is disposed on the back side of the front-rear extension part (49b) is interposed between the rear part of the front-rear extension part (49b). The motorcycle according to claim 3, wherein the motorcycle is provided.
  5. 　前記ブレーキペダル（５４）の戻り側の回動端を規制するストッパ（５７）が、前記ステップホルダ（４９）の下部に取付けられることを特徴とする請求項１～４のいずれか１項に記載の自動二輪車。 The stopper (57) for restricting the rotational end of the return side of the brake pedal (54) is attached to the lower part of the step holder (49). Motorcycle.
PCT/JP2014/063969 2013-08-29 2014-05-27 Automatic two-wheeled vehicle WO2015029520A1 (en)

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BR112016003548-8A BR112016003548B1 (en) 2013-08-29 2014-05-27 AUTOMATIC TWO WHEEL VEHICLE
CN201480048113.7A CN105517883B (en) 2013-08-29 2014-05-27 Two-wheeled motor vehicle
JP2015534030A JP6077662B2 (en) 2013-08-29 2014-05-27 Motorcycle
PH12016500370A PH12016500370A1 (en) 2013-08-29 2016-02-24 Automatic two-wheeled vehicle

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EP3225521A3 (en) * 2016-03-31 2017-10-25 Honda Motor Co., Ltd. Reservoir tank mounting structure of saddle riding vehicle
WO2018142575A1 (en) * 2017-02-03 2018-08-09 本田技研工業株式会社 Front/rear interlocking brake device for saddle-type vehicle
WO2019138428A1 (en) * 2018-01-12 2019-07-18 Hero MotoCorp Limited Speed deceleration system of vehicle
EP3569485A4 (en) * 2017-01-12 2020-01-22 Honda Motor Co., Ltd. Transmission for saddled vehicle

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EP3225521A3 (en) * 2016-03-31 2017-10-25 Honda Motor Co., Ltd. Reservoir tank mounting structure of saddle riding vehicle
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EP3569485A4 (en) * 2017-01-12 2020-01-22 Honda Motor Co., Ltd. Transmission for saddled vehicle
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WO2018142575A1 (en) * 2017-02-03 2018-08-09 本田技研工業株式会社 Front/rear interlocking brake device for saddle-type vehicle
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WO2019138428A1 (en) * 2018-01-12 2019-07-18 Hero MotoCorp Limited Speed deceleration system of vehicle

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PH12016500370B1 (en) 2016-05-02
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CN105517883B (en) 2018-05-01
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JP6077662B2 (en) 2017-02-15
CN105517883A (en) 2016-04-20

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