WO2024069931A1 - 鞍乗型車両 - Google Patents

鞍乗型車両 Download PDF

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Publication number
WO2024069931A1
WO2024069931A1 PCT/JP2022/036710 JP2022036710W WO2024069931A1 WO 2024069931 A1 WO2024069931 A1 WO 2024069931A1 JP 2022036710 W JP2022036710 W JP 2022036710W WO 2024069931 A1 WO2024069931 A1 WO 2024069931A1
Authority
WO
WIPO (PCT)
Prior art keywords
saddle
width direction
support frame
vehicle width
foot
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2022/036710
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
亮二 今井
成二 上田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to CN202290000968.2U priority Critical patent/CN223791636U/zh
Priority to JP2024549027A priority patent/JPWO2024069931A1/ja
Priority to PCT/JP2022/036710 priority patent/WO2024069931A1/ja
Publication of WO2024069931A1 publication Critical patent/WO2024069931A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J25/00—Foot-rests; Knee grips; Passenger hand-grips
    • B62J25/06—Bar-type foot rests

Definitions

  • the present invention relates to saddle-type vehicles such as motorcycles.
  • Saddle-ride vehicles in which a foot brake is located in front of the right step on which the right foot is supported have been known for some time.
  • the driver operates the foot brake by stepping on the foot brake in an area forward of the arch of the right foot.
  • saddle-type vehicles such as the motorcycle described in Patent Document 2, in which a front brake lever that operates a front brake to brake the front wheel is provided adjacent to a grip portion on one side of the handlebar in the vehicle width direction, and a rear brake lever that operates a rear brake to brake the rear wheel is provided adjacent to a grip portion on the other side of the handlebar in the vehicle width direction, are also known.
  • Patent Document 2 If the invention described in Patent Document 2 is adopted for the straddle-type vehicle of Patent Document 1, the rear brake is operated by a rear brake lever adjacent to the grip, and the foot brake is omitted. In that case, when the driver is driving the straddle-type vehicle, the area in front of the arch of the right foot is not supported, so the right ankle moves easily, and there is a problem that fatigue is easily accumulated in order to maintain the position of the right ankle.
  • the present invention provides a saddle-type vehicle that can reduce fatigue in the driver's ankles.
  • the present invention relates to Front and rear wheels; A handle extending in a vehicle width direction and provided with grip portions to be held by a driver on one side and the other side in the vehicle width direction; a front brake lever provided on one side of the handlebar in the vehicle width direction and configured to operate a front brake for braking the front wheels; a rear brake lever provided on the other side of the handlebar in the vehicle width direction and configured to operate a rear brake for braking the rear wheels; and holding the driver's feet.
  • the steps include: A first holding portion having a first holding surface that holds the foot of the driver;
  • the vehicle is a saddle-type vehicle and is provided with a second support portion that is provided forward of the first support portion and has a second support surface that supports an area forward of the arch of the driver's foot.
  • the second retaining portion having the second retaining surface retains the area in front of the arch of the driver's foot, thereby reducing fatigue in the driver's ankle.
  • FIG. 1 is a right side view of a motorcycle as an embodiment of a saddle-ride type vehicle of the present invention.
  • FIG. 2 is a left side view of a main portion of the motorcycle of FIG. 1 .
  • FIG. 2 is a system schematic diagram of a front brake and a rear brake in the motorcycle of FIG. 1 .
  • FIG. 2 is a bottom view of the vicinity of a first support frame in the motorcycle of FIG. 1 .
  • 2 is a perspective view of a main portion of a first support frame and a second support frame in the motorcycle of FIG. 1 .
  • 2 is a perspective view of a main portion near a second support frame in the motorcycle of FIG. 1 .
  • FIG. FIG. 2 is a perspective view of the vicinity of a right foot step in the motorcycle of FIG. 1 .
  • FIG. 2 is an enlarged perspective view of a main portion of a right foot front holding portion of the motorcycle of FIG. 1 .
  • FIG. 2 is a perspective view of the vicinity of a right foot step in the motorcycle of FIG. 1 .
  • FIG. 2 is a side view of the vicinity of a right foot step in the motorcycle of FIG. 1 .
  • FIG. 2 is a top view of the right foot step and the change pedal of the motorcycle of FIG. 1 .
  • the motorcycle 1 of this embodiment includes a front wheel FW and a rear wheel RW, a body frame 10, a cowl member 20 that is attached to the body frame 10 and covers at least a portion of the outer surface of the motorcycle 1, and a power unit 30 that is mounted on the body frame 10.
  • the body frame 10 includes a head pipe 11, a main frame 12, a pair of left and right pivot frames 13, a pair of left and right seat frames 14, and a pair of left and right rear frames 15.
  • the head pipe 11 is a pipe-shaped member that is provided at the front end of the body frame 10 and extends downward and forward. A stem shaft 522 of the steering unit 52 (described later) is inserted into the head pipe 11.
  • the front end of the main frame 12 is connected to the head pipe 11 and extends diagonally downward and rearward from the head pipe 11.
  • the pair of left and right pivot frames 13 each have their upper ends connected to the vicinity of the rear end of the main frame 12 and extend downward while tilting slightly rearward.
  • the left pivot frame 13 curves to the left from the vicinity of the rear end of the main frame 12 and extends rearward and downward.
  • the right pivot frame 13 curves to the right from the vicinity of the rear end of the main frame 12 and extends rearward and downward.
  • Each of the pair of left and right pivot frames 13 is formed with a swing arm pivot 13a that rotatably supports the front ends of a pair of left and right swing arms 16 (described later). Therefore, the vehicle body frame 10 is provided with a pair of left and right swing arm pivots 13a.
  • the front ends of the pair of left and right seat frames 14 are connected to the rear of the main frame 12, forward of the connection position of the pivot frame 13.
  • the front regions of the pair of left and right seat frames 14 extend obliquely upward and rearward from the rear of the main frame 12, then bend downward midway, and the rear regions extend obliquely upward and rearward at a smaller angle to the horizontal than the front regions.
  • the pair of left and right rear frames 15 have their front ends connected to the respective left and right pivot frames 13, extend rearward and upward from the pivot frames 13, and have their rear ends connected to the respective left and right seat frames 14.
  • the left rear frame 15 has its front end connected to the left pivot frame 13, extends rearward and upward from the left pivot frame 13, and has its rear end connected to the left seat frame 14.
  • the right rear frame 15 has its front end connected to the right pivot frame 13, extends rearward and upward from the right pivot frame 13, and has its rear end connected to the right seat frame 14.
  • the motorcycle 1 is provided with a pair of left and right swing arms 16 arranged on either side of the rear wheel RW and extending in the front-to-rear direction.
  • the pair of left and right swing arms 16 support the rear wheel RW at their rear ends.
  • the front end of the left swing arm 16 is journaled on a swing arm pivot 13a formed on the left pivot frame 13.
  • the front end of the right swing arm 16 is journaled on a swing arm pivot 13a formed on the right pivot frame 13.
  • Each of the pair of left and right swing arms 16 can rotate up and down around the swing arm pivot 13a as a fulcrum axis.
  • the pair of left and right swing arms 16 function as a framework for connecting the rear wheel RW to the vehicle frame 10, and also function as part of a shock absorber that absorbs shock input to the rear wheel RW.
  • the motorcycle 1 is equipped with a pair of left and right rear suspensions 17 that function as part of a shock absorber that absorbs shock input to the rear wheel RW.
  • the left rear suspension 17 has an upper end connected to the left rear frame 15 and a lower end connected to the left swing arm 16.
  • the right rear suspension 17 has an upper end connected to the right rear frame 15 and a lower end connected to the right swing arm 16.
  • Each of the pair of left and right rear suspensions 17 is equipped with, for example, a cylindrical damper unit and a coil spring wound to surround the damper unit. Shock input to the rear wheel RW is damped by the rear suspensions 17 via the swing arm 16.
  • the motorcycle 1 is equipped with a rider seat 18 on which the rider can sit.
  • the rider seat 18 is disposed above the pair of left and right seat frames 14 so as to straddle the pair of left and right seat frames 14.
  • the rider seat 18 is fixed to the pair of left and right seat frames 14. Note that the rider seat 18 may be capable of accommodating not only the rider, but also a passenger seated behind the rider.
  • the cowl member 20 covers each part of the body frame 10 and guides the traveling wind from the front of the motorcycle 1.
  • the cowl member 20 is divided into multiple parts.
  • the cowl member 20 has a front cowl 21 that covers the front of the head pipe 11, a pair of first side cowls 22 that cover the left and right sides of the front region of the main frame 12, a pair of second side cowls 23 that extend rearward from the rear end of the first side cowl 22 and cover the sides of the motorcycle 1, a pair of third side cowls 24 that extend downward from the lower end of the front region of the second side cowl 23 and cover the sides of the motorcycle 1, a front straddle cowl 25 that covers the rear of the head pipe 11 and the upper part of the front region of the main frame 12, and a rear straddle cowl 26 that extends rearward from the rear end of the front straddle cowl 25 and covers the upper part of the front region of the main frame 12 and the lower part of the front end of the rider seat 18.
  • the front straddle cowl 25 also
  • the front straddle cowl 25 and the rear straddle cowl 26 form a straddle section 27 that curves downward from the front end of the passenger seat 18 in a generally U-shape when viewed from the side.
  • the rider When riding the motorcycle 1, the rider straddles this straddle section 27 and sits in the rider seat 18.
  • the power unit 30 is located approximately in the center in the vehicle width direction and below the main frame 12 when viewed from the left and right direction.
  • the power unit 30 is fixed at the top to the main frame 12 by fastening members such as bolts and nuts, either directly or via an elastic member such as rubber, and the rear is fixed to the main frame 12 and/or the pivot frame 13.
  • the power unit 30 includes an engine 31, a clutch unit 32 equipped with a friction clutch (not shown), and a speed change mechanism (not shown).
  • the friction clutch When the friction clutch is engaged, the power unit 30 outputs the power of the engine 31 from the output shaft via the speed change mechanism.
  • the friction clutch When the friction clutch is disengaged, the power of the engine 31 is not output from the output shaft of the power unit 30.
  • the motorcycle 1 of this embodiment is a motorcycle in which the rear wheel RW is driven to rotate by the power of the engine 31 of the power unit 30 mounted on the body frame 10, that is, a motorcycle that uses the engine 31 of the power unit 30 as a power source and the rear wheel RW as a drive wheel.
  • the engine 31 of the power unit 30 includes a crankcase 311 that houses a crankshaft (not shown), a cylinder block 312 that has a cylinder axis that extends in the front-to-rear direction and slopes upward from the crankcase 311, a cylinder head 313 that is connected to the front end of the cylinder block 312 and supports the valve mechanism, a head cover 314 that is connected to the front end of the cylinder head 313 and covers the valve mechanism on the cylinder head 313, and an intake pipe 315 that extends from the cylinder head 313.
  • the clutch unit 32 of the power unit 30 is attached to the right side of the crankcase 311.
  • the power unit 30's transmission mechanism (not shown) is housed inside the crankcase 311.
  • the power unit 30 further includes an ACG starter 33 (ACG: Alternating Current Generator) that is connected to a crankshaft (not shown) of the engine 31 and has at least the functions of a generator for the motorcycle 1 and a starter for the engine 31.
  • the ACG starter 33 is attached to the left side surface of the crankcase 311.
  • the ACG starter 33 includes a rotor (not shown) that rotates integrally with the crankshaft of the engine 31, and a stator (not shown) that is fixed to the crankcase 311 of the engine 31.
  • the detailed function of the ACG starter 33 in the power unit 30 is that when the crankshaft of the engine 31 rotates, the rotor of the ACG starter 33 rotates, and the ACG starter 33 generates electricity.
  • the power unit 30 is connected to an intake device 34 that supplies an air-fuel mixture to the engine 31, and an exhaust device 35 that discharges exhaust gas from the engine 31 rearward.
  • the motorcycle 1 also includes a fuel tank (not shown). This fuel tank is provided, for example, between a pair of left and right seat frames 14 of the body frame 10.
  • the intake system 34 is connected to an intake pipe 315 extending from a cylinder head 313 of the engine 31 of the power unit 30, and includes a throttle body 341 having a throttle valve (not shown) inside, an air cleaner 342 that purifies the outside air supplied to the engine 31 of the power unit 30, and a connecting tube 343 that connects the throttle body 341 and the air cleaner 342. Air that is introduced from outside the motorcycle 1 into the air cleaner 342 and purified is guided through the connecting tube 343 to the throttle body 341, and the air flow rate is adjusted by operating the throttle valve in the throttle body 341, and the air is supplied from the intake pipe 315 to the cylinder head 313 of the engine 31.
  • a fuel injection device (not shown) is attached to the throttle body 341 of the intake system 34, which injects fuel from a fuel tank toward the inside of the throttle body 341.
  • This fuel injection device is connected to the aforementioned fuel pump (not shown) by a fuel pipe. Fuel is discharged from this fuel pump toward the fuel injection device at a given pressure.
  • a mixture of air with an appropriate air-fuel ratio is generated by the air that has been purified by the air cleaner 342 and the fuel injected from the fuel injection device, and the throttle valve is operated so that the mixture of an appropriate flow rate is supplied from the throttle body 341 to the cylinder head 313 of the engine 31 of the power unit 30.
  • the air cleaner 342 is disposed below the main frame 12, and its upper portion is connected to the main frame 12.
  • the exhaust system 35 is equipped with an exhaust pipe 351 whose front end extends downward from the underside of the cylinder head 313 of the engine 31, bends rearward, and extends rearward through the lower part of the power unit 30.
  • the exhaust pipe 351 is provided with a catalyst 352 that purifies the exhaust gas of the engine 31, and a muffler 353 that has a sound-absorbing function for the engine 31 and releases the exhaust gas of the engine 31 into the atmosphere.
  • the exhaust gas of the engine 31 passes through the exhaust pipe 351, is purified by the catalyst 352, passes through the muffler 353, and is released rearward into the atmosphere.
  • the motorcycle 1 is equipped with a power transmission unit 40 that transmits the power generated by the engine 31 of the power unit 30, which is the power source, to the rear wheel RW.
  • the power transmission unit 40 is connected to the output shaft of the power unit 30 and includes a drive sprocket 41 that rotates integrally with the output shaft of the power unit 30, a driven sprocket 42 that rotates integrally with the rear wheel RW, and a chain 43 that is looped around the drive sprocket 41 and the driven sprocket 42.
  • the rotational power output from the power unit 30 is transmitted to the driven sprocket 42 via the drive sprocket 41 and the chain 43, and the rear wheel RW is driven to rotate by the rotational power of the power unit 30 transmitted to the driven sprocket 42.
  • the drive sprocket 41, the driven sprocket 42, and the chain 43 are each one of the transmission components that transmit the power generated by the engine 31 of the power unit 30, which is the power source of the motorcycle 1.
  • the motorcycle 1 is equipped with a pair of left and right front forks 51, which are arranged on both the left and right sides of the front wheel FW and have a cylindrical shape that extends in the vertical direction and inclines forward as it approaches downward.
  • the pair of left and right front forks 51 support the front wheel FW at their lower ends.
  • the pair of left and right front forks 51 function as a framework for connecting the front wheel FW to the body frame 10, and also function as a shock absorber that absorbs impacts input to the front wheel FW.
  • the motorcycle 1 is supported rotatably on the body frame 10 and includes a steering unit 52 that supports a pair of left and right front forks 51.
  • the steering unit 52 includes a rotatable bar-shaped handle 521 that extends in the vehicle width direction and steers the front wheel FW, a stem shaft 522 that is inserted into the head pipe 11 of the body frame 10, and an under bracket 524 that is attached to the lower end of the stem shaft 522 and connects and fixes the upper ends of the left and right front forks 51 together.
  • the handlebars 521 are fixed to the upper end of the stem shaft 522.
  • the steering unit 52 turns integrally with the steering unit 52, with the stem shaft 522 (head pipe 11 of the body frame 10) as its axis.
  • the left and right front forks 51 fixed to the under bracket 524 and the front wheel FW supported at the lower ends of the left and right front forks 51 also turn integrally with the steering unit 52, with the stem shaft 522 (head pipe 11 of the body frame 10) as its axis. In this way, the front wheel FW can be turned by turning the handlebars 521.
  • a left handle grip 521a is provided at the left end of the handle 521, which extends in the vehicle width direction.
  • the rider of the motorcycle 1 holds the left handle grip 521a with his/her left hand.
  • An accelerator grip 521b is provided on the right end of the handlebar 521 extending in the vehicle width direction.
  • the accelerator grip 521b is a required driving force input device that inputs the required driving force to the engine 31 through the driver's operation.
  • the accelerator grip 521b can be rotated clockwise and counterclockwise when viewed from the extension direction of the handlebar 521.
  • the rider of the motorcycle 1 can turn the motorcycle 1 in the left or right direction by gripping the left handle grip 521a with the left hand and gripping and operating the accelerator grip 521b with the right hand and rotating the handle 521 to adjust the required driving force for the engine 31 and steer the front wheel FW.
  • a first master cylinder 531 is fixed to the right side of the handlebar 521, closer to the center in the vehicle width direction than the accelerator grip 521b.
  • a front brake lever 532 is journaled on the first master cylinder 531 so that it can swing freely in the front-rear direction.
  • the front brake lever 532 is arranged to extend in the vehicle width direction in front of the accelerator grip 521b in parallel with the accelerator grip 521b so that the rider of the motorcycle 1 can operate the lever without removing his/her right hand from the accelerator grip 521b while the motorcycle 1 is traveling.
  • a second master cylinder 541 is fixed to the left side of the handlebar 521, closer to the center in the vehicle width direction than the left handlebar grip 521a.
  • a rear brake lever 542 is axially supported by the second master cylinder 541 so that it can swing freely in the front-rear direction.
  • the rear brake lever 542 is arranged to extend in the vehicle width direction in front of the left handlebar grip 521a in parallel with the left handlebar grip 521a so that the rider of the motorcycle 1 can operate the rear brake lever 542 without removing his/her left hand from the left handlebar grip 521a while the motorcycle 1 is traveling.
  • a front brake 61 is provided on the front wheel FW of the motorcycle 1.
  • the front brake 61 is a hydraulic disc brake.
  • the front brake 61 has a disc rotor 611 that rotates integrally with the front wheel FW, and a brake caliper 612 that incorporates brake pads and a piston.
  • the brake pads are provided on both sides of the disc rotor 611 so as to sandwich the disc rotor 611.
  • the brake caliper 612 is provided with a first input port 612a and a second input port 612b.
  • the first input port 612a is connected to a first master cylinder 531 fixed to the right side of the handlebar 521 via a first hydraulic conduit 613a.
  • the second input port 612b is connected to a second master cylinder 541 fixed to the left side of the handlebar 521 via a second hydraulic conduit 613b.
  • the front brake 61 When hydraulic pressure is supplied to the brake caliper 612 from at least one of the first input port 612a and the second input port 612b, the front brake 61 operates a piston with the supplied hydraulic pressure, clamping the disc rotor 611 from both sides with the brake pads, and braking the front wheel FW with the frictional force generated when the brake pads are pressed against the disc rotor 611.
  • the rear wheel RW of the motorcycle 1 is provided with a rear brake 62.
  • the rear brake 62 is a mechanical drum brake.
  • the rear brake 62 has a brake drum 621 that rotates integrally with the rear wheel RW, a brake shoe 622 with a brake lining stretched on its outer circumferential surface, and an operating lever 623 that operates the brake shoe 622.
  • the operating lever 623 of the rear brake 62 is connected to an equalizer mechanism 542a provided on the rear brake lever 542 via a brake cable 624.
  • the brake cable 624 is composed of a Bowden cable having an inner cable 624a and an outer cable 624b that is inserted through the inner cable 624a so that it can slide freely.
  • One end of the inner cable 624a is connected to the equalizer mechanism 542a provided on the rear brake lever 542, and the other end of the inner cable 624a is connected to the operating lever 623 of the rear brake 62.
  • One end of the outer cable 624b is held by a cable holder 541a that is formed to extend from the case of the second master cylinder 541 that is fixed to the left side of the handlebar 521.
  • the other end of the outer cable 624b is held by a fixed bracket 63 that is provided near the rear brake 62.
  • a return spring 625 that biases the operating lever 623 towards the inoperative position is attached between the fixed bracket 63 and the operating lever 623 of the rear brake 62.
  • the operating lever 623 of the rear brake 62 When the operating lever 623 of the rear brake 62 is operated, the operating lever 623 operates to press the brake shoe 622 against the inner peripheral surface of the brake drum 621. When the brake shoe 622 is pressed against the inner peripheral surface of the brake drum 621, the rear brake 62 brakes the rear wheel RW by the frictional force generated between the brake lining stretched on the outer peripheral surface of the brake shoe 622 and the brake drum 621.
  • a left foot step 70 for supporting the driver's left foot is provided on the left side of the power unit 30.
  • the left foot step 70 supports the arch area of the driver's left foot or the area behind the arch (see Figures 2 and 4).
  • a right foot step 80 for holding the right foot of the driver is provided on the right side of the power unit 30.
  • the right foot step 80 is provided with a right foot rear holding part 81 having a right foot rear holding surface 801 for holding the arch region of the driver's right foot or the region behind the arch, and a right foot front holding part 82 provided forward of the right foot rear holding part 81 and having a right foot front holding surface 802 for holding the region ahead of the arch of the driver's right foot, for example the region including the ball of the right foot.
  • the right foot rear holding portion 81 and the right foot front holding portion 82 are formed from separate members.
  • the left foot step 70 and the right foot rear holding portion 81 of the right foot step 80 are supported by a pipe-shaped first support frame 91 that extends in the vehicle width direction.
  • the pipe-shaped first support frame 91 has a cross member portion 910 that extends in the vehicle width direction, crossing laterally below the bottom wall 311a of the crankcase 311, a left side rising portion 911L that bends upward from the left end of the cross member portion 910 on the left outer side of the crankcase 311 and extends in the vertical direction, a left side step mounting portion 912L that bends from the upper end of the left side rising portion 911L outwardly in the vehicle width direction, i.e., to the left, and extends in the vehicle width direction, a right side rising portion 911R that bends upward from the right end of the cross member portion 910 on the right outer side of the crankcase 311 and extends in the vertical direction, and a right side step mounting portion 912R that bends from the upper end of the right side rising portion 911R outwardly in the vehicle width direction, i.e., to the right, and extends in the vehicle width direction.
  • the left foot step 70 is attached to the left step attachment portion 912L of the first
  • the first support frame 91 is fixed to the bottom wall 311a of the crankcase 311 at the cross member portion 910 by the support bracket 90.
  • the bottom wall 311a of the crankcase 311 has a number of bosses for fastening the support bracket 90, which protrude downward. These bosses are integrally formed with the bottom wall 311a of the crankcase 311.
  • a pair of left and right front bosses 311b1 provided forward of the position of the cross member portion 910 of the first support frame 91, and a pair of left and right rear bosses 311b2 provided rearward of the position of the cross member portion 910 of the first support frame 91 are integrally formed with the bottom wall 311a of the crankcase 311 so as to protrude downward from the bottom wall 311a of the crankcase 311.
  • the support bracket 90 includes a left support bracket 90L that straddles the cross member portion 910 of the first support frame 91 in the front-to-rear direction and is fixed to the bottom wall 311a of the crankcase 311 by the left front boss 311b1 and the left rear boss 311b2, and a right support bracket 90R that straddles the cross member portion 910 of the first support frame 91 in the front-to-rear direction and is fixed to the bottom wall 311a of the crankcase 311 by the right front boss 311b1 and the right rear boss 311b2.
  • the left and right support brackets 90L and 90R have bolt holes through which bolts 900 are inserted, at positions that overlap the left and right front bosses 311b1 and rear bosses 311b2, respectively, when viewed from below.
  • the cross member portion 910 of the first support frame 91 is sandwiched between the left and right support brackets 90L and 90R and the bottom wall 311a of the crankcase 311, and the bolts 900 are inserted from below through the bolt holes of the left and right support brackets 90L and 90R and fastened to the pair of left and right front bosses 311b1 and the pair of left and right rear bosses 311b2.
  • the first support frame 91 is supported by the left and right support brackets 90L and 90R at the cross member portion 910 and fixed to the bottom wall 311a of the crankcase 311.
  • the left foot step 70 is made of resin such as rubber.
  • the left foot step 70 has a cylindrical shape with a bottom, and is fixed by fitting externally from the left side to the left side step mounting portion 912L of the first support frame 91. Therefore, the left foot step 70 is arranged so that the cylindrical portion with a bottom surrounds the outer peripheral surface of the left side step mounting portion 912L of the first support frame 91.
  • the upper surface of the left foot step 70 serves as a left foot support surface 700 that supports the arch area or the area behind the arch of the rider's left foot. While the rider is traveling, the rider operates the motorcycle 1 with the arch area or the area behind the arch of the left foot placed on the left foot support surface 700 of the left foot step 70.
  • the right foot rear holding portion 81 of the right foot step 80 is made of resin such as rubber.
  • the right foot rear holding portion 81 has a shape that is approximately symmetrical to the left foot step 70.
  • the right foot rear holding portion 81 has a bottomed cylindrical shape, and is fixed by fitting externally to the right step mounting portion 912R of the first support frame 91 from the right. Therefore, the right foot rear holding portion 81 is arranged so that the bottomed cylindrical portion surrounds the outer peripheral surface of the right step mounting portion 912R of the first support frame 91.
  • the upper surface of the right foot rear holding portion 81 serves as a right foot rear holding surface 801 that holds the arch area or the area behind the arch of the rider's right foot. While the rider is riding the motorcycle 1, the rider operates the motorcycle 1 with the arch area or the area behind the arch of the right foot placed on the right foot rear holding surface 801 of the right foot step 80.
  • a pipe-shaped second support frame 92 is connected to the right side region of the first support frame 91 by welding or the like.
  • the second support frame 92 is connected to the right side rising portion 911R that extends in the vertical direction of the first support frame 91.
  • the pipe-shaped second support frame 92 has an extension portion 921 that extends diagonally forward and to the right while slanting upward from the right side rising portion 911R of the first support frame 91, and a base plate attachment portion 922 that bends from the front upper end of the extension portion 921 outward in the vehicle width direction, i.e., to the right, and extends in the vehicle width direction.
  • first support frame 91 and the second support frame 92 are supported by the same right support bracket 90R and fixed to the motorcycle 1 (more specifically, the bottom wall 311a of the crankcase 311 of the motorcycle 1).
  • the extension 921 has a drain hole 92a near the joint with the first support frame 91.
  • a roughly L-shaped reinforcing plate 94 extends from the joint to the lower end of the second support frame 92 diagonally forward to the right along the extension direction of the extension portion 921 of the second support frame 92, and extends from the joint to the front end of the first support frame 91 in the vertical direction along the extension direction of the right side rising portion 911R of the first support frame 91.
  • the reinforcing plate 94 is connected to the right side rising portion 911R of the first support frame 91 and the extension portion 921 of the second support frame 92 by welding or the like.
  • the base plate 93 is connected to the base plate attachment portion 922 by welding or the like.
  • the base plate 93 is a metal plate that extends in the front-rear and left-right directions.
  • the lower surface of the base plate 93 is welded and connected to the upper portion of the base plate attachment portion 922.
  • the outer end of the base plate mounting portion 922 of the pipe-shaped second support frame 92 in the vehicle width direction is open toward the outside in the vehicle width direction.
  • the right foot front holding portion 82 of the right foot step 80 is engaged with the base plate 93.
  • the right foot front holding portion 82 is made of a resin such as rubber. In this way, the right foot front holding portion 82 of the right foot step 80 is supported by the second support frame 92 via the base plate 93.
  • the right foot front holding portion 82 of the right foot step 80 has a cover portion 821 that covers the upper surface and the front, rear, left and right side surfaces of the base plate 93.
  • the surface of the cover portion 821 facing upward is the right foot front holding surface 802.
  • a number of locking protrusions 822 that protrude downward are formed on the underside of the cover portion 821.
  • a total of four locking protrusions 822 are formed, one each in the left front region, right front region, left rear region, and right rear region of the underside of the cover portion 821.
  • the base plate 93 has locking holes 93a that penetrate in the vertical direction at positions that overlap with the locking protrusions 822 when viewed from the top to bottom.
  • the right foot front holder 82 is locked to the base plate 93 by pushing the locking protrusions 822 from above into the locking holes 93a of the base plate 93 and fitting them together.
  • the base plate 93 is provided with a blocking portion 823 that blocks the outer end of the base plate mounting portion 922 in the vehicle width direction, which opens toward the outside in the vehicle width direction. This makes it possible to prevent water or foreign objects from entering the inside of the second support frame 92 from the outer end of the base plate mounting portion 922 in the vehicle width direction.
  • the rider places the area in front of the arch of the right foot, for example the area including the ball of the right foot, on the right foot front support surface 802 of the right foot step 80.
  • the rider operates the foot brake in an area forward of the arch of the right foot.
  • the motorcycle 1 of this embodiment does not have a foot brake, and the front brake lever 532 and the rear brake lever 542 are provided on the handlebars 521.
  • the right foot step 80 has a right foot rear holding portion 81 and a right foot front holding portion 82, and while the motorcycle 1 is traveling, the area forward of the arch of the rider's right foot is held by the right foot front holding portion 82. This maintains the position and posture of the rider's right ankle while the motorcycle 1 is traveling, thereby reducing fatigue in the rider's right ankle.
  • the rider can easily recognize that the motorcycle 1 is equipped with the right foot front holding portion 82 rather than a foot brake, and therefore can easily recognize that the rider will be operating the front brake lever 532 and the rear brake lever 542 when attempting to brake the motorcycle 1.
  • the right foot rear holding portion 81 and the right foot front holding portion 82 are formed from separate members, so this can be achieved by simply adding the second support frame 92, base plate 93, and cover portion 821 to a motorcycle that only has a conventional right foot step that corresponds to the right foot rear holding portion 81 of this embodiment. This makes it possible to reduce manufacturing costs and easily change the design from that of a conventional motorcycle.
  • the length of the second support frame 92 can be shortened while ensuring the load-bearing capacity of the second support frame 92 when the driver places the area in front of the arch of the right foot, for example, the area including the ball of the right foot, on the right foot front support surface 802 of the right foot step 80.
  • the right foot front holding part 82 is arranged so that the right foot front holding surface 802 is positioned lower than the right foot rear holding surface 801 of the right foot rear holding part 81.
  • the right foot front holding part 82 is arranged so that the right foot front holding surface 802 is positioned between the upper end 81a and the lower end 81b of the right foot rear holding part 81 in the vertical direction.
  • the right foot front holder 82 is positioned so that the front end 82c overlaps with the cylinder block 312 and the rear end 82a overlaps with the crankcase 311 in the front-to-rear direction when viewed from the side.
  • the right foot front holding portion 82 is also arranged so that at least a portion of it overlaps with the cylinder block 312 and the crankcase 311 in a side view.
  • the lower end 82d of the right foot front holding portion 82 is located above the lower end of the crankcase 311.
  • the rear end 82a of the right foot front holding part 82 extends in the vehicle width direction at an angle so that the distance from the right foot rear holding part 81 increases as it moves outward in the vehicle width direction.
  • the front end of the right foot front holding part 82 is formed at the outer end in the vehicle width direction with a chamfered portion 82b that extends in the vehicle width direction and inclines backward toward the outer end of the right foot front holding part 82 in the vehicle width direction.
  • the right foot front holding portion 82 is located on the inside in the vehicle width direction relative to the right foot rear holding portion 81.
  • a seesaw-type shift change pedal 36 that is operated by the driver with his left foot is provided on the left side of the power unit 30.
  • the shift change pedal 36 has a swing axis that extends in the front-rear direction and in the vehicle width direction, and is provided so as to be able to swing freely around this swing axis.
  • the shift change pedal 36 is provided so that this swing axis is located near the left foot step 70.
  • the shift change pedal 36 has a front pedal portion 361 provided in front of the swing axis, and a rear pedal portion 362 provided behind the swing axis. When the driver presses the front pedal portion 361 downward with his left foot, the shift change pedal 36 swings counterclockwise around the swing axis when viewed from the left side.
  • the shift change pedal 36 swings clockwise around the swing axis when viewed from the left side.
  • the shift change pedal 36 is biased to return to its initial position when the front pedal portion 361 and the rear pedal portion 362 are not depressed by the driver's left foot.
  • the shift change pedal 36 of this embodiment functions as an operator for changing the gear position of the transmission mechanism, and also functions as an operator for operating the friction clutch of the clutch unit 32.
  • the right foot front holding portion 82 is arranged so that its front end portion 82c is located forward of the front end portion of the front pedal portion 361 of the shift change pedal 36, and its rear end portion 82a is located rearward of the rear end portion of the front pedal portion 361 of the shift change pedal 36.
  • the right foot front holding portion 82 is also formed so that its dimension in the vehicle width direction is greater than the dimension in the vehicle width direction of the front pedal portion 361 of the shift change pedal 36.
  • the right foot rear holding part 81 and the right foot front holding part 82 are formed from separate members, but the right foot rear holding part 81 and the right foot front holding part 82 may be integrally formed from the same member.
  • the driver can easily recognize that the saddle-type vehicle is equipped with the second holding portion rather than a foot brake, so that when the driver attempts to brake the saddle-type vehicle, he or she can easily recognize that he or she is operating the front brake lever and the rear brake lever.
  • the first and second retaining parts are formed of separate members, this can be achieved by adding the second retaining part to a saddle-type vehicle that only has a conventional step. This reduces manufacturing costs and allows for easy design changes from conventional saddle-type vehicles.
  • a saddle-type vehicle according to any one of (1) to (4),
  • the first holding portion is supported by a first support frame (first support frame 91)
  • the second holding portion is supported by a second support frame (second support frame 92)
  • the first support frame has a rising portion (right rising portion 911R) extending in the vertical direction, and a step mounting portion (right step mounting portion 912R) bent outward in the vehicle width direction from an upper end of the rising portion and extending in the vehicle width direction,
  • a saddle-type vehicle wherein the second support frame is coupled to the rising portion of the first support frame.
  • the second support frame is connected to the rising portion extending in the vertical direction of the first support frame, so that the length of the second support frame can be shortened while ensuring the load-bearing capacity of the second support frame when the driver places the area in front of the arch of the foot on the second support surface.
  • the second support frame is pipe-shaped, A saddle-type vehicle, wherein a water drain hole (water drain hole 92a) is provided near a joint portion of the second support frame with the first support frame.
  • the driver can maintain a natural posture with the area of the foot forward of the arch on the second support surface of the step while the saddle-type vehicle is traveling.
  • the saddle-type vehicle further includes a seat (passenger seat 18) on which the driver can be seated, A saddle-type vehicle, wherein the second holding portion is provided such that at least a portion of the second holding surface is positioned between a front end of the seat and a handle shaft (handle shaft 521c) of the handle in the front-rear direction.
  • the driver can maintain a natural posture with the area of the foot forward of the arch on the second support surface of the step while the saddle-type vehicle is traveling.
  • the parts for fixing the second support frame to the saddle-type vehicle can be omitted, so that the second support frame can be fixed to the saddle-type vehicle without increasing the number of parts.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
PCT/JP2022/036710 2022-09-30 2022-09-30 鞍乗型車両 Ceased WO2024069931A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202290000968.2U CN223791636U (zh) 2022-09-30 2022-09-30 骑乘式车辆
JP2024549027A JPWO2024069931A1 (https=) 2022-09-30 2022-09-30
PCT/JP2022/036710 WO2024069931A1 (ja) 2022-09-30 2022-09-30 鞍乗型車両

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60138889U (ja) * 1984-02-27 1985-09-13 川崎重工業株式会社 自動三輪車，自動四輪車のステツプ構造
JPH038085U (https=) * 1989-06-14 1991-01-25
WO2008100398A2 (en) * 2007-02-09 2008-08-21 Polaris Industries Inc. Adjustable ergonomic vehicles
CN102582727A (zh) * 2011-01-05 2012-07-18 本田技研工业株式会社 跨骑型车辆的踏板构造

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3877013B2 (ja) * 1996-03-19 2007-02-07 本田技研工業株式会社 スクータ型車両のフロア構造
JP4844313B2 (ja) * 2006-09-15 2011-12-28 スズキ株式会社 鞍乗型車両のフットボード周辺構造
JP2010132245A (ja) * 2008-12-08 2010-06-17 Yamaha Motor Co Ltd 自動二輪車

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60138889U (ja) * 1984-02-27 1985-09-13 川崎重工業株式会社 自動三輪車，自動四輪車のステツプ構造
JPH038085U (https=) * 1989-06-14 1991-01-25
WO2008100398A2 (en) * 2007-02-09 2008-08-21 Polaris Industries Inc. Adjustable ergonomic vehicles
CN102582727A (zh) * 2011-01-05 2012-07-18 本田技研工业株式会社 跨骑型车辆的踏板构造

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