WO2024058272A1 - Véhicule inclinable à deux roues avant identiques - Google Patents

Véhicule inclinable à deux roues avant identiques Download PDF

Info

Publication number
WO2024058272A1
WO2024058272A1 PCT/JP2023/033709 JP2023033709W WO2024058272A1 WO 2024058272 A1 WO2024058272 A1 WO 2024058272A1 JP 2023033709 W JP2023033709 W JP 2023033709W WO 2024058272 A1 WO2024058272 A1 WO 2024058272A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
saddle
body frame
vehicle
vehicle body
Prior art date
Application number
PCT/JP2023/033709
Other languages
English (en)
Japanese (ja)
Inventor
寛 長谷山
田辺　幸一
宗光 江口
Original Assignee
ヤマハ発動機株式会社
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 ヤマハ発動機株式会社 filed Critical ヤマハ発動機株式会社
Publication of WO2024058272A1 publication Critical patent/WO2024058272A1/fr

Links

Images

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
    • B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
    • B62J1/08—Frames for saddles; Connections between saddle frames and seat pillars; Seat pillars
    • 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
    • B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
    • B62K11/14—Handlebar constructions, or arrangements of controls thereon, specially adapted thereto
    • 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
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/10—Cycles with handlebars, equipped with three or more main road wheels with means for inwardly inclining the vehicle body on bends

Definitions

  • the present invention relates to a front two-wheel lean vehicle that has a left front wheel and a right front wheel, and leans to the left when turning left and to the right when turning right.
  • Patent Document 1 discloses a vehicle that includes a frame having an engine, a drive gear, and at least one driven wheel at the rear, and two front wheels at the front of the vehicle.
  • Patent Document 1 also discloses a footboard on which a driver can place his/her feet when driving a vehicle.
  • the footboard is supported by a transmission frame so as to be rotatable about a longitudinal axis relative to the frame.
  • Patent Document 1 discloses that the vehicle can be turned faster by applying force to the left and right ends of the footboard to push down or hold the vehicle during the turn.
  • a horizontal bar supporting two front wheels is elastically supported by a vertical frame via a spring.
  • Non-Patent Document 1 discloses that a three-wheeled vehicle having a left front wheel, a right front wheel, and a rear wheel runs while turning in the left-right direction.
  • the three-wheeled vehicle further includes a footboard on which a driver's feet are placed, a saddle, and a link mechanism that tilts the left front wheel and the right front wheel in the left-right direction.
  • Patent Document 2 discloses a vehicle that has two front wheels, a driving rear wheel, and a footrest that can be tilted together with the front wheels during a turn to reproduce the posture of a skier.
  • the front end of the footrest is connected via an arm to a steering pivot that supports the front wheels.
  • a rear end portion of the footrest is connected to the vehicle body via a pivot.
  • FIG. 8 of Patent Document 2 discloses that the vehicle has a saddle.
  • Patent Document 3 discloses a standing three-wheeled vehicle having a single front wheel and a pair of left and right rear wheels.
  • a vehicle has a left rest part which is arranged on the left side of a frame member and on which the left foot of the occupant is placed, and a right rest part which is arranged on the right side of the frame member and on which the right foot of the occupant is placed.
  • the invention includes a mounting part, a front arm, a rear arm, a left side frame and a right side frame forming parallel links, and a seat.
  • the footboard on which the driver's feet are placed applies a load to the link mechanism that tilts the left front wheel and the right front wheel in the left-right direction. Don't communicate. Therefore, even when the driver places his feet on the footboard when riding the vehicle, the vehicle hardly tilts in the left-right direction. Therefore, the driver can easily get on and off the vehicle.
  • the posture of a skier can be reproduced while the vehicle is turning using a footrest whose rear end is connected to the vehicle body via a pivot.
  • the footrest does not move vertically in parallel, and only the front side of the footrest moves up and down. Therefore, the feeling of operating the vehicle when the driver is seated on the saddle is significantly different from the feeling of operating the vehicle when the driver is standing. That is, when the driver is seated on the saddle, it is difficult for the driver to put his weight only on the front side of the footrest. Therefore, it is difficult for the driver to reproduce the posture of a skier while the vehicle is turning.
  • the step and the link mechanism are connected. Therefore, when the driver applies a load to the step when getting on or off the vehicle, the vehicle tilts. Furthermore, when the driver is driving the vehicle while seated on the seat, the vehicle tilts as the driver applies a load to the step. Therefore, the driver can feel the steering sensation of turning while driving the vehicle.
  • the present invention provides a left front wheel, a right front wheel, a rear wheel, a left foot placing plate portion on which a driver's left foot is placed and which is capable of transmitting a load to a link mechanism, and a left foot placing plate portion on which a driver's right foot is placed and which is capable of transmitting a load to a link mechanism.
  • the present inventors have proposed a system that includes a left front wheel, a right front wheel, a rear wheel, a left foot placement plate portion on which the driver's left foot is placed and is capable of transmitting a load to the link mechanism, and a left foot placement plate portion on which the driver's right foot is placed and which is capable of transmitting a load to the link mechanism.
  • a front two-wheel lean vehicle that has a right foot resting plate part capable of transmitting a load to the link mechanism and a saddle
  • a configuration that makes it easy for the driver to get on and off the vehicle when sitting on or standing up from the saddle is being considered. In the process, I came up with the following structure.
  • a front two-wheel lean vehicle is a vehicle that leans to the left when turning to the left, and leans to the right when turning to the right.
  • the front two-wheel lean vehicle includes a vehicle body frame, a left front wheel located to the left of the vehicle body frame in the left-right direction of the vehicle body frame, and a right front wheel located to the right of the vehicle body frame in the left-right direction of the vehicle body frame.
  • a handle having a grip portion that is gripped by a driver riding the front two-wheel lean vehicle; a steering shaft that rotates around an axis to steer the left front wheel and the right front wheel; one rear wheel located behind the left front wheel and the right front wheel; supported by the front part of the vehicle body frame; a link mechanism that allows the vehicle body frame to tilt left and right in the left-right direction; and a plate-shaped left foot resting plate located between the left front wheel and the rear wheel, on which the driver's left foot is placed. and a plate-shaped right foot placement plate portion located between the right front wheel and the rear wheel, on which the driver's right foot is placed, and the driver's right foot placement plate portion is positioned between the right front wheel and the rear wheel.
  • the load can be transmitted to the left part of the link mechanism and the load can be transmitted to the right part of the link mechanism via the right foot rest plate, or the load can be transmitted to the right part of the link mechanism through the right foot rest plate.
  • a load transmission mechanism capable of transmitting a load to the left side of the mechanism and to the right side of the link mechanism via the left foot resting plate; and a load transmission mechanism supported by the vehicle body frame; a saddle whose position in the vertical direction can be adjusted with respect to the saddle; It has a foot placement space in which the feet can be placed when sitting on the saddle or standing up from the saddle.
  • the driver In the front two-wheel lean vehicle having a load transmission mechanism as described above, the driver, while seated on the saddle, applies a load to the left foot placement plate portion and the right foot placement plate portion of the load transfer mechanism. The load is transmitted to the link mechanism. This allows the driver to smoothly tilt the vehicle body frame to the left or right.
  • a foot placement space located in the left-right direction with respect to the saddle and behind the left foot placement plate section and the right foot placement plate section is used.
  • the user can sit on or stand up from the saddle without placing the feet on the left foot resting plate or the right foot resting plate.
  • the saddle is configured to be able to adjust its position in the vertical direction with respect to the vehicle body frame.
  • the driver may sit on or stand up from the saddle located at various positions in the vertical direction.
  • the front two-wheel lean vehicle has a foot placement space in the left-right direction with respect to the saddle and behind the left foot placement plate and the right foot placement plate, the driver can It is possible to easily sit on or stand up from the saddle. Therefore, even if the saddle has a configuration in which its vertical position with respect to the vehicle body frame can be adjusted, the driver can easily get on and off the front two-wheel lean vehicle.
  • the front two-wheel lean vehicle of the present invention preferably includes the following configuration.
  • the vehicle further includes a deformation suppressing portion that suppresses deformation of the link mechanism so as to suppress a change in the relative position in the vertical direction between at least one of the left footrest plate portion or the right footrest plate portion and the saddle.
  • the position of the left foot resting plate or the right foot resting plate relative to the saddle does not change in the vertical direction. Therefore, when the driver sits on the saddle or stands up from the saddle, even if the driver places his left foot on the left foot resting plate or his right foot on the right foot resting plate, the left foot resting plate At least one of the right footrest plate and the right footrest plate can be prevented from moving downward. Therefore, the driver can more easily sit on the saddle or stand up from the saddle by placing his or her feet on at least one of the left foot resting plate and the right foot resting plate. can.
  • the front two-wheel lean vehicle of the present invention preferably includes the following configuration.
  • the front two-wheel lean vehicle further includes a seat post that connects the saddle to the vehicle body frame.
  • the seat post When looking at the vehicle in the left-right direction, the seat post has an upper end located rearward than a lower end, and an extension line that intersects with a rear half of at least one of the left foot rest plate part and the right foot rest plate part. It is set up to do so.
  • the saddle is located on the rear side with respect to at least one of the left foot resting plate part and the right foot resting plate part in the front two wheel lean vehicle. Therefore, the driver can use the foot placement spaces located in the left-right direction of the vehicle body frame with respect to the saddle and behind the left foot placement plate and the right foot placement plate to place the rider on the saddle. You can easily sit down and get up from the saddle.
  • the front two-wheel lean vehicle of the present invention preferably includes the following configuration.
  • the handle is configured such that its position in the vertical direction relative to the vehicle body frame can be adjusted.
  • the vertical position of the handlebar relative to the vehicle body frame adjustable By making the vertical position of the handlebar relative to the vehicle body frame adjustable in this way, the vertical relative position of the handlebar to the saddle can be easily changed. Also in the front two-wheel lean vehicle in which the vertical position of the handlebar can be adjusted, the front two-wheel lean vehicle is in the left-right direction with respect to the saddle, and the left foot rest plate portion and the right foot rest By providing the foot placement space located behind the plate portion, the driver can easily sit on or stand up from the saddle.
  • the front two-wheel lean vehicle of the present invention preferably includes the following configuration.
  • the saddle and the handle have a distance in the longitudinal direction between the highest position of the saddle and the highest position of the handle when the vehicle is viewed in the left-right direction, and a distance in the longitudinal direction between the lowest position of the saddle and the lowest position of the handle. They are each configured to be adjustable in position in the vertical direction so that they become larger than the above.
  • the front two-wheel lean vehicle has, in addition to the above-mentioned configuration, a saddle, a left foot resting plate part, a right foot resting plate part, and one rear wheel, the left foot resting part can be placed in the left and right direction with respect to the saddle.
  • the rider can more easily access the saddle by utilizing the foot placement space located behind the placing plate part and the right foot placing plate part.
  • connection As used herein, “attached,” “connected,” “coupled,” and/or their equivalents are used in a broad sense, including “direct and indirect” attachment; Includes both connections and combinations. Additionally, “connected” and “coupled” are not limited to physical or mechanical connections or couplings, but can include direct or indirect electrical connections or couplings.
  • a front two-wheel lean vehicle is a vehicle that turns in an inclined position.
  • the front two-wheel lean vehicle is a vehicle that leans to the left when turning to the left and leans to the right when turning to the right in the left-right direction of the vehicle.
  • the front two-wheel lean vehicle may be a one-seater vehicle, or may be a vehicle that can accommodate a plurality of people.
  • the front two-wheel lean vehicle is a three-wheel vehicle having one rear wheel.
  • the handle includes a bar-shaped bar handle and separate handles separated into left and right sides.
  • the link mechanism is a mechanism that relatively displaces the left front wheel and the right front wheel in the vertical direction of the vehicle body frame.
  • the link mechanism can tilt the vehicle body frame to the left or right by relatively displacing the left front wheel and the right front wheel as described above.
  • the link mechanism includes, for example, a plurality of links and a joint that connects the plurality of links.
  • the link mechanism may include various structures such as a parallelogram type, a double wishbone type, and a leading arm type.
  • the latter half of at least one of the left footrest plate part or the right footrest plate part refers to the rear half of at least one of the left footrest plate part or the right footrest plate part, when the left footrest plate part or the right footrest plate part is viewed from the center in the front and rear direction. also means the rear part located at the back.
  • the highest position means the highest position that can be set in a component (saddle or handle) whose position can be adjusted in the vertical direction.
  • the highest position of the saddle and the highest position of the handlebar may be at different heights in the vertical direction, or may be at the same height.
  • the lowest position means the lowest position that can be set in a vertically adjustable component (saddle or handle).
  • the lowest position of the saddle and the lowest position of the handle may be at different heights in the vertical direction, or may be at the same height.
  • the distance between A and B means the shortest distance between A and B. That is, when A is a saddle and B is a handle, the distance between the saddle and the handle means the distance between the part of the saddle closest to the handle and the part of the handle closest to the saddle. do.
  • the left front wheel, the right front wheel, the rear wheel, the left foot rest plate portion on which the driver's left foot is placed and which can transmit a load to the link mechanism, and the driver's right foot In a front two-wheel lean vehicle having a saddle and a right foot resting plate portion on which the right foot is placed and capable of transmitting a load to the link mechanism, the driver can easily get on and off the vehicle when sitting on the saddle or standing up from the saddle. configuration can be realized.
  • FIG. 1 is a left side view schematically showing the overall configuration of a front two-wheel lean vehicle according to a first embodiment.
  • FIG. 2 is a front view showing the configuration of the front portion of the front two-wheel lean vehicle when viewed from the front.
  • FIG. 3 is a top view showing a schematic configuration of a front two-wheel lean vehicle.
  • FIG. 4 is a rear view showing a schematic configuration of the front two-wheel lean vehicle.
  • FIG. 5 is a front view showing a schematic configuration of a lean vehicle with two front wheels tilted to the left.
  • FIG. 6 is a rear view showing a schematic configuration of a front two-wheel lean vehicle tilted to the left.
  • FIG. 1 is a left side view schematically showing the overall configuration of a front two-wheel lean vehicle according to a first embodiment.
  • FIG. 2 is a front view showing the configuration of the front portion of the front two-wheel lean vehicle when viewed from the front.
  • FIG. 3 is
  • FIG. 7 is a front view of a lean vehicle with two front wheels schematically showing how the vertical position of the handlebar is changed.
  • FIG. 8 is a left side view of a front two-wheel lean vehicle schematically showing how the vertical positions of the handlebar and saddle are changed.
  • FIG. 9 is a left side view of the front two-wheel lean vehicle showing the position of the saddle in the front two-wheel lean vehicle.
  • FIG. 10 is a left side view showing a schematic configuration of a front two-wheel lean vehicle according to a second embodiment.
  • FIG. 11 is a left side view schematically showing how the vertical positions of the handlebar and the saddle are changed in the front two-wheel lean vehicle according to the second embodiment.
  • FIG. 12 is a left side view showing a schematic configuration of a front two-wheel lean vehicle according to the third embodiment.
  • FIG. 13 is a front view showing a schematic configuration of a front two-wheel lean vehicle according to Embodiment 3.
  • FIG. 14 is a plan view showing a schematic configuration of a front two-wheel lean vehicle according to the third embodiment.
  • FIG. 15 is a left side view of a front two-wheel lean vehicle in which a luggage storage section is provided at the front of the vehicle.
  • FIG. 16 is a front view of the front two-wheel lean vehicle in which the front two-wheel lean vehicle is tilted to the left, and the front two-wheel lean vehicle is provided with a luggage storage section at the front of the vehicle, as viewed from the front.
  • FIG. 17 is a diagram showing a schematic configuration of a front two-wheel lean vehicle according to another embodiment.
  • arrow F in the figure indicates the forward direction of the front two-wheel lean vehicle 1.
  • Arrow B in the figure indicates the rearward direction of the front two-wheel lean vehicle 1.
  • An arrow U in the figure indicates an upward direction of the front two-wheel lean vehicle 1.
  • Arrow D in the figure indicates the downward direction of the front two-wheel lean vehicle 1.
  • Arrow R in the figure indicates the right direction of the front two-wheel lean vehicle 1.
  • An arrow L in the figure indicates the left direction of the front two-wheel lean vehicle 1.
  • front-rear direction, the left-right direction, and the up-down direction of the front two-wheel lean vehicle 1 are respectively the front-rear direction with respect to the front two-wheel lean vehicle 1 when viewed from a driver riding in the front two-wheel lean vehicle 1. , means the horizontal direction and the vertical direction.
  • the front two-wheel lean vehicle 1 of this embodiment turns with the vehicle body frame 21 tilted in the left-right direction with respect to the vertical direction. Therefore, in addition to the direction based on the front two-wheel lean vehicle 1 described above, the direction based on the vehicle body frame 21 is determined as follows.
  • Arrow FF in the figure indicates the front direction of the vehicle body frame 21.
  • An arrow FB in the figure indicates the rear direction of the vehicle body frame 21.
  • Arrow FU in the figure indicates the upward direction of the vehicle body frame 21.
  • An arrow FD in the figure indicates the downward direction of the vehicle body frame 21.
  • An arrow FR in the figure indicates the right direction of the vehicle body frame 21.
  • An arrow FL in the figure indicates the left direction of the vehicle body frame 21.
  • front-rear direction, left-right direction, and up-down direction of the vehicle body frame 21 are respectively the front-rear direction, the left-right direction, and the up-down direction with respect to the vehicle body frame 21 when viewed from the driver riding the front two-wheel lean vehicle 1. means.
  • FIG. 1 is a left side view schematically showing the overall configuration of a front two-wheel lean vehicle 1 according to the first embodiment.
  • the front two-wheel lean vehicle 1 includes a vehicle body 2, a pair of left and right front wheels 3, one rear wheel 4, a link mechanism 5, a steering mechanism 6, a load transmission mechanism 8, and a saddle 9. .
  • the front two-wheel lean vehicle 1 in this embodiment is a tricycle having a pair of left and right front wheels 3.
  • the front two-wheel lean vehicle 1 is a vehicle that leans to the left when turning left, and leans to the right when turning right.
  • the front two-wheel lean vehicle 1 is not provided with a rear arm that supports the rear wheels 4.
  • the rear wheels 4 of the front two-wheel lean vehicle 1 are supported by a vehicle body frame 21, which will be described later.
  • the front two-wheel lean vehicle 1 is not provided with a shock absorber that elastically supports the front wheels 3 and the rear wheels 4 in a movable manner.
  • Front wheels 3 and rear wheels 4 of the front two-wheel lean vehicle 1 are supported by a vehicle body frame 21, which will be described later, without using a shock absorber.
  • the vehicle body 2 includes a vehicle body frame 21 and a power unit 22.
  • the vehicle body frame 21 is in an upright state.
  • the upright state of the vehicle body frame 21 means a state in which the vertical direction of the vehicle body frame 21 is the same as the vertical direction.
  • the vehicle body frame 21 supports the power unit 22 and the like.
  • the vehicle body frame 21 includes a head pipe 211 and a main frame 212.
  • the head pipe 211 is located at the front of the front two-wheel lean vehicle 1.
  • the upper part of the head pipe 211 is located behind the lower part of the head pipe 211 in the longitudinal direction of the vehicle body frame 21.
  • a link mechanism 5 is arranged around the head pipe 211.
  • a steering shaft 652, which will be described later, is rotatably inserted into the head pipe 211.
  • the main frame 212 is connected to the head pipe 211.
  • the main frame 212 is located behind the head pipe 211 in the longitudinal direction of the vehicle body frame 21.
  • Main frame 212 supports power unit 22.
  • the rear end of the main frame 212 supports the rear wheel 4 rotatably about a wheel shaft 41 (rotation shaft).
  • the main frame 212 includes an upper frame 213 and an under frame 214.
  • the upper frame 213 extends from the head pipe 211 toward the rear wheel 4, behind the vehicle body frame 21 in the longitudinal direction, and below the vehicle body frame 21 in the vertical direction, when the vehicle body frame 21 is viewed from the left.
  • the rear end portion of the upper frame 213 is branched into two parts located on the left and right sides of the rear wheel 4, respectively. That is, the upper frame 213 has an upper frame left rear end portion 213 a located to the left of the rear wheel 4 and an upper frame right rear end portion 213 b located to the right of the rear wheel 4 .
  • the upper frame left rear end 213a and the upper frame right rear end 213b support the rear wheel 4 together with an underframe left rear end 214c and an underframe right rear end 214d, which will be described later.
  • Power unit 22 is supported by upper frame 213.
  • the underframe 214 has an underframe front part 214a and an underframe rear part 214b.
  • the underframe front portion 214a extends from the head pipe 211 to the rear of the vehicle body frame 21 in the longitudinal direction and below the vehicle body frame 21 in the vertical direction, when the vehicle body frame 21 is viewed from the left.
  • a front end portion of the underframe front portion 214a is connected to the head pipe 211.
  • the underframe rear part 214b extends rearward from the rear end of the underframe front part 214a in the longitudinal direction of the vehicle body frame 21.
  • the rear end portion of the underframe rear portion 214b is branched into two parts located on the left and right sides of the rear wheel 4, respectively. That is, the underframe rear portion 214b has an underframe left rear end portion 214c located to the left of the rear wheel 4 and an underframe right rear end portion 214d located to the right of the rear wheel 4.
  • the rear end portion of the underframe rear portion 214b does not need to be branched.
  • the left rear end portion 214c of the under frame is connected to the left rear end portion 213a of the upper frame.
  • the right rear end portion 214d of the under frame is connected to the right rear end portion 213b of the upper frame.
  • the main frame right rear end portion 212b is configured.
  • the main frame left rear end 212a and the main frame right rear end 212b support the rear wheel 4.
  • the main frame 212 since the main frame 212 has the upper frame 213 and the under frame 214, the strength and rigidity of the main frame 212 can be improved. Note that when the height of the main frame in the vertical direction of the vehicle body frame is lowered, the main frame may include only an under frame.
  • the power unit 22 generates a driving force that causes the front two-wheel lean vehicle 1 to travel.
  • the power unit 22 is located in front of the wheel axle 41 of the rear wheel 4 in the longitudinal direction of the vehicle body frame 21.
  • the power unit 22 is fixed to the vehicle body frame 21.
  • Power unit 22 includes a battery 221 and a motor 222.
  • the motor 222 is disposed within the wheel 4a of the rear wheel 4. Electric power is supplied to the motor 222 from a battery 221 fixed to the upper frame 213 of the vehicle body frame 21 via a controller (not shown).
  • the battery 221 also supplies power to electrical components such as lamps.
  • the controller controls the front two-wheel lean vehicle 1 and controls the power supply from the battery 221 to the motor 222. That is, the controller has a vehicle control function and an inverter function. The controller controls the drive of the motor 222 when the driver operates a forward throttle device or a reverse operation button switch (not shown) provided on the handlebar 651, for example. Note that the controller may control the driving of electrical components of the front two-wheel lean vehicle 1.
  • FIG. 2 is a front view of the front part of the front two-wheel lean vehicle 1 viewed from the front in the longitudinal direction of the vehicle body frame 21.
  • FIG. 4 is a rear view of the rear part of the front two-wheel lean vehicle 1 viewed from behind in the longitudinal direction of the vehicle body frame 21.
  • the vehicle body frame 21 is in an upright state. In the following description, when referring to FIGS. 2 and 4, it is assumed that the vehicle body frame 21 is in an upright state.
  • the pair of left and right front wheels 3 are located below the head pipe 211 and the link mechanism 5 in the vertical direction of the body frame 21.
  • the pair of left and right front wheels 3 are supported by a left suspension part 61 and a right suspension part 62, which will be described later.
  • the rear wheel 4 is located between the left front wheel 31 and the right front wheel 32 when looking at the body frame 21 in the fore-and-aft direction, and is located behind the left front wheel 31 and the right front wheel 32 in the fore-and-aft direction of the body frame 21.
  • the outer diameter of the rear wheel 4 is the same as or smaller than the outer diameter of the pair of left and right front wheels 3.
  • the outer diameter of the rear wheel 4 may be larger than the outer diameter of the pair of left and right front wheels 3.
  • the pair of left and right front wheels 3 includes a left front wheel 31 and a right front wheel 32.
  • the left front wheel 31 is located to the left of a head pipe 211 that is a part of the vehicle body frame 21 in the left-right direction of the vehicle body frame 21 .
  • the right front wheel 32 is located to the right of the head pipe 211 in the left-right direction of the vehicle body frame 21. That is, the left front wheel 31 and the right front wheel 32 are located side by side in the left-right direction of the vehicle body frame 21.
  • the left front wheel 31 is connected to the left suspension section 61. Specifically, the left front wheel 31 is connected to the lower part of the left suspension section 61.
  • the left front wheel 31 is rotatably supported by the left suspension part 61 around a left axle 311 (rotation shaft).
  • the left axle 311 is disposed below the left suspension portion 61 so as to extend in the left-right direction of the vehicle body frame 21 .
  • the front right wheel 32 is connected to the right suspension section 62. Specifically, the right front wheel 32 is connected to the lower part of the right suspension section 62. The right front wheel 32 is rotatably supported by the right suspension section 62 about a right axle 321 (rotation shaft). The right axle 321 is disposed below the right suspension part 62 so as to extend in the left-right direction of the vehicle body frame 21.
  • the link mechanism 5 is a parallel four-bar link (also called parallelogram link) type link mechanism.
  • the link mechanism 5 is located below the handlebar 651 in the vertical direction of the vehicle body frame 21.
  • the link mechanism 5 is located above the left front wheel 31 and the right front wheel 32 in the vertical direction of the vehicle body frame 21.
  • the link mechanism 5 includes an upper cross portion 51, a lower cross portion 52, a left side portion 53, and a right side portion 54.
  • the link mechanism 5 is not interlocked with the rotation of the steering shaft 652 about the intermediate steering axis Z as the handlebar 651 is operated. That is, the link mechanism 5 does not rotate relative to the vehicle body frame 21 about the intermediate steering axis Z.
  • the configuration of the link mechanism 5 is similar to the configuration disclosed in International Publication 2020/111254. Therefore, detailed explanation of the link mechanism 5 will be omitted.
  • the part located on the left side of the link mechanism 5 is the left part.
  • the left portion includes a left side portion 53.
  • the part located on the right side of the link mechanism 5 is the right part.
  • the right portion includes a right side portion 54 .
  • the upper cross section 51, the lower cross section 52, the left side section 53, and the right side section 54 are connected to the upper cross section 51.
  • the lower cross section 52 is supported by the vehicle body frame 21 such that the left side section 53 and the right side section 54 maintain parallel positions.
  • the steering mechanism 6 includes a left suspension section 61, a right suspension section 62, a left bracket 63, a right bracket 64, a steering member 65, and a steering force transmission mechanism 66.
  • the configuration of the steering mechanism 6 is similar to the steering mechanism disclosed in International Publication No. 2020/111254. Therefore, a detailed description of the structure of the steering mechanism 6 will be omitted. Therefore, the steering operation of the front two-wheel lean vehicle 1 using the steering mechanism 6 is also the same as the steering operation disclosed in International Publication No. 2020/111254, so a detailed explanation will be omitted.
  • the left suspension part 61 supports the left front wheel 31 with respect to the link mechanism 5.
  • the left suspension portion 61 extends in the direction in which the intermediate steering axis Z extends.
  • a lower end portion of the left suspension portion 61 supports the left front wheel 31.
  • the upper end of the left suspension section 61 is fixed to the left bracket 63.
  • the right suspension part 62 supports the right front wheel 32 with respect to the link mechanism 5.
  • the right suspension portion 62 extends in the direction in which the intermediate steering axis Z extends.
  • a lower end portion of the right suspension portion 62 supports the right front wheel 32.
  • the upper end of the right suspension section 62 is fixed to the right bracket 64.
  • the steering member 65 includes a handlebar 651 and a steering shaft 652.
  • the handlebar 651 is a rod-shaped member that extends in the left-right direction of the vehicle body frame 21. In the left-right direction of the vehicle body frame 21, a central portion of the handlebar 651 is connected to an upper portion of a steering shaft 652.
  • the handlebar 651 has a left grip part 651a and a right grip part 651b.
  • the left grip portion 651a is located on the handlebar 651 to the left of the center of the vehicle body frame 21 in the left-right direction.
  • the right grip portion 651b is located on the handlebar 651 to the right of the center of the vehicle body frame 21 in the left-right direction.
  • the handlebar 651 is a handle of the front two-wheel lean vehicle 1.
  • the left grip part 651a and the right grip part 651b are grip parts.
  • the handlebar 651 is provided with a front wheel brake lever 114 and a rear wheel brake lever 124. That is, the front two-wheel lean vehicle 1 has a front wheel brake lever 114 and a rear wheel brake lever 124.
  • the front wheel brake lever 114 is provided on the left grip portion 651a.
  • the rear wheel brake lever 124 is provided on the right grip portion 651b.
  • the pair of front wheels 3 are provided with front wheel brakes that are activated by operating a front wheel brake lever 114.
  • the rear wheel 4 is provided with a rear wheel brake that is operated by operating a rear wheel brake lever 124.
  • a portion of the steering shaft 652 is rotatably supported by the head pipe 211.
  • the steering shaft 652 rotates about an intermediate steering axis Z (rotation axis) in accordance with the operation of the handlebar 651 by the driver.
  • the steering shaft 652 includes a lower steering shaft portion 652a, a bent steering shaft portion 652b, and an upper steering shaft portion 652c.
  • a portion of the lower steering shaft 652a is rotatably supported by the head pipe 211, and extends from the head pipe 211 upward in the vertical direction of the vehicle body frame 21 and toward the rear in the longitudinal direction of the vehicle body frame 21. That is, the lower part 652a of the steering shaft extends from the head pipe 211 located at the front of the vehicle body frame 21 in the direction in which the head pipe 211 extends.
  • the direction in which the lower portion of the steering shaft 652a extends is the axial direction of the intermediate steering axis Z (see FIG. 8).
  • the upper steering shaft 652c extends from the upper end of the lower steering shaft 652a toward the front in the longitudinal direction of the vehicle body frame 21 and toward the top in the vertical direction of the vehicle body frame 21.
  • a handlebar 651 is connected to the upper end of the steering shaft upper part 652c.
  • the steering shaft bent portion 652b is located between the upper end of the lower steering shaft 652a and the lower end of the upper steering shaft 652c. That is, the steering shaft bent portion 652b is a portion that is bent toward the front in the longitudinal direction of the vehicle body frame 21 and upward in the vertical direction of the vehicle body frame 21 with respect to the steering shaft lower portion 652a.
  • the steering shaft 652 also includes an inner pipe 653 that constitutes a part of the steering shaft upper part 652c, and an outer pipe 654 that constitutes the remainder of the steering shaft upper part 652c, the steering shaft bent part 652b, and the steering shaft lower part 652a.
  • the upper part of the inner pipe 653 is connected to the handlebar 651.
  • the lower part of the inner pipe 653 is located within the upper part of the outer pipe 654.
  • the lower part of the outer pipe 654 constituting the lower part of the steering shaft 652a extends in the direction in which the intermediate steering axis Z extends when the vehicle body frame 21 is viewed from the left.
  • the upper part of the outer pipe 654 constituting the remainder of the steering shaft upper part 652c extends in the vertical direction of the vehicle body frame 21 when the vehicle body frame 21 is viewed from the left. That is, the upper part of the outer pipe 654 is bent toward the front of the vehicle body frame 21 with respect to the lower part of the outer pipe 654 when the vehicle body frame 21 is viewed from the left.
  • a portion of the lower portion of the outer pipe 654 is rotatably supported by the head pipe 211.
  • the inner pipe 653 and the outer pipe 654 are fixed by the fixing member 131 with the lower part of the inner pipe 653 positioned within the outer pipe 654.
  • This fixing member 131 is located at the upper end of the outer pipe 654. That is, the fixing member 131 is located at the upper part of the steering shaft 652c.
  • the fixing member 131 holds the inner pipe 653 within the outer pipe 654 by applying a tightening force to the upper end of the outer pipe 654 in the radial direction.
  • the configuration of the fixing member 131 may be such that the tightening force is generated by fastening a bolt, or may be configured to generate the tightening force using the principle of lever operation. That is, the fixing member 131 may have any configuration as long as it can fix the inner pipe 653 to the outer pipe 654.
  • the steering shaft 652 having the above configuration, as shown in FIGS. 7 and 8, by changing the position of the inner pipe 653 with respect to the outer pipe 654 in the direction in which the inner pipe 653 extends, the length of the upper part 652c of the steering shaft can be changed. Can be changed. That is, the steering shaft 652 has a handle adjustment mechanism 13 that can adjust the position of the handlebar 651 by expanding and contracting the steering shaft upper part 652c in the direction in which the inner pipe 653 extends. In FIGS. 7 and 8, the direction in which the height of the handlebar 651 is changed is indicated by an outline arrow. Note that the steering shaft 652 does not need to include the handle adjustment mechanism 13.
  • the handle height H which is the distance from M to the left grip part 651a (or right grip part 651b) of the handlebar 651 in the vertical direction of the vehicle body frame 21, can be changed.
  • the handle height H is the distance from the midpoint M to the upper end of the left grip portion 651a (or right grip portion 651b) in the vertical direction of the vehicle body frame 21.
  • the midpoint M is on the line connecting the rotation centers of the left front wheel 31 and the right front wheel 32 when looking at the vehicle body frame 21 from the front with the front two-wheel lean vehicle 1 standing upright, and on the left front wheel in the left-right direction of the vehicle body frame 21. 31 and the tread center T2 of the right front wheel 32, respectively.
  • the offset amount of the handlebar 651 with respect to the intermediate steering axis Z of the steering shaft 652 can be adjusted in the longitudinal direction of the vehicle body frame 21, as shown in FIG. Can be changed.
  • This offset amount is the distance I between the upper end of the left grip portion 651a (or right grip portion 651b) and the extension line of the intermediate steering axis Z when the vehicle body frame 21 is viewed from the left.
  • the amount of offset of the handlebar with respect to the intermediate steering axis of the steering shaft may not be provided in the longitudinal direction of the vehicle body frame. That is, the handlebar may be located on an extension of the intermediate steering axis of the steering shaft.
  • the driver balances the front two-wheel lean vehicle 1 in the left-right direction by moving the handlebar 651 in the left-right direction of the vehicle body frame 21. Movement of the handlebar 651 in the left and right direction is affected by the handle height H. Therefore, by adjusting the handle height H, it is possible to change the feeling of operating the handle bar 651 when moving the handle bar 651 in the left and right direction when the vehicle is stopped.
  • the front two-wheel lean vehicle 1 when the front two-wheel lean vehicle 1 is running at an extremely low speed, the front two-wheel lean vehicle 1 may be turned by rotating the handlebar 651 of the front two-wheel lean vehicle 1.
  • the rotation of the handlebar 651 is affected by the offset amount (distance I) of the handlebar 651 with respect to the steering shaft 652 in the longitudinal direction of the vehicle body frame 21. Therefore, by adjusting the offset amount, it is possible to change the operating feeling of the handlebar 651 when rotating the handlebar 651 while the front two-wheel lean vehicle 1 is running at an extremely low speed.
  • FIG. 3 is a top view of the front two-wheel lean vehicle 1 viewed from above in the vertical direction of the vehicle body frame 21.
  • the vehicle body frame 21 is in an upright state.
  • it is assumed that the vehicle body frame 21 is in an upright state.
  • the load transmission mechanism 8 includes a left foot load transmission section 81, a right foot load transmission section 82, and a left and right connecting member 83.
  • the left foot load transmitting section 81 has a left foot placing plate section 811 and a left connecting section 812. At least a portion of the left foot placement plate portion 811 is located behind the left front wheel 31.
  • the left foot placement plate portion 811 is plate-shaped.
  • the left foot placement plate portion 811 has a left foot placement surface 811a on which the left foot of a standing driver is placed.
  • the left connecting portion 812 connects the left foot placement plate portion 811 and the left side portion 53 of the link mechanism 5. As shown in FIG. 1, the left connecting portion 812 extends from the left side portion 53 to the rear of the vehicle body frame 21 in the front-back direction and to the bottom of the vehicle body frame 21 in the vertical direction. A rear end portion of the left connecting portion 812 is connected to the left foot placement plate portion 811.
  • the left foot load transmission section 81 is configured to be able to transmit the driver's load input via the left foot placement plate section 811 to the left side section 53. Note that the left connecting portion may be integrated with the left side portion.
  • the right foot load transmitting section 82 includes a right foot placing plate section 821 and a right connecting section 822. At least a portion of the right foot placement plate portion 821 is located behind the right front wheel 32.
  • the right foot placement plate portion 821 is plate-shaped.
  • the right foot placement plate portion 821 has a right foot placement surface 821a on which the right foot of a standing driver is placed.
  • the right connecting portion 822 connects the right foot placement plate portion 821 and the right side portion 54 of the link mechanism 5.
  • the right connecting portion 822 extends from the right side portion 54 to the rear of the vehicle body frame 21 in the longitudinal direction and to the bottom of the vehicle body frame 21 in the vertical direction.
  • a rear end portion of the right connecting portion 822 is connected to the right foot placement plate portion 821.
  • the right foot load transmission section 82 is configured to be able to transmit the driver's load input through the right foot placement plate section 821 to the right side section 54 . Note that the right connecting portion may be integrated with the right side portion.
  • the load applied to the left foot resting plate part 811 through the driver's left foot and the load applied to the right foot resting plate part 821 through the right foot of the driver are individually adjusted.
  • the inclination of the frame 21 can be controlled.
  • FIG. 5 is a front view of the front two-wheel lean vehicle 1 in a state where the body frame 21 is tilted to the left, viewed from the front of the body frame 21.
  • FIG. 6 is a rear view of the front two-wheel lean vehicle 1 in a state where the body frame 21 is tilted to the left, as seen from behind the body frame 21. Note that in FIGS. 5 and 6, the front two-wheel lean vehicle 1 is shown with the cover etc. removed for the sake of explanation.
  • the right side portion 54 is located above the left side portion 53 in the vertical direction of the vehicle body frame 21.
  • a load is applied by the right foot to the right side portion 54 through the right foot placement plate portion 821, a force that causes the vehicle body frame 21 to be displaced downward acts on the right side portion 54.
  • a force that causes the vehicle body frame 21 to be displaced downward acts on the right side portion 54.
  • the normal direction of the left foot placement plate portion 811 to the placement surface and the normal direction of the right foot placement plate portion 821 to the placement surface change.
  • the angle between the direction in which the head pipe 211 extends (the direction in which the intermediate steering axis Z extends) and the mounting surface of the left foot mounting plate section 811 and the mounting surface of the right foot mounting plate section 821 does not change. .
  • the normal direction of the left foot placement plate 811 to the placement surface and the normal direction of the right foot placement plate 821 to the placement surface are always the same as the vertical direction of the vehicle body frame 21.
  • the left-right connecting member 83 connects the left foot resting plate portion 811 and the right foot resting plate portion 821 in the left-right direction of the vehicle body frame 21 below the vehicle body frame 21.
  • the center portion of the left-right connecting member 83 is rotatably supported around the under frame 214 by a rotation support portion (not shown) fixed to the lower part of the under frame 214 of the vehicle body frame 21 . ing. Therefore, the left-right connecting member 83 tilts in the vertical direction in accordance with the vertical movement of the left foot resting plate part 811 and the right foot resting plate part 821 in the up-down direction of the vehicle body frame 21.
  • the left foot rest plate part 811 and the right foot rest part 821 are interlocked in response to the load input of the left foot to the left foot rest plate part 811 or the load input of the right foot to the right foot rest plate part 821. Move up and down. Therefore, by inputting the load of the left foot to the left foot rest plate part 811 or the load of the right foot to the right foot rest plate part 821 as described above, it is possible to easily suppress the left or right inclination of the vehicle body frame 21.
  • the saddle 9 is connected to the main frame 212 by a seat post 91. That is, one end of the seat post 91 is connected to the saddle 9, and the other end of the seat post 91 is connected to the main frame 212.
  • the saddle 9 is arranged so that its rear end is located behind the front end of the rear wheels 4 when the front two-wheel lean vehicle 1 is viewed from above.
  • the saddle 9 is arranged so that its rear end is located in front of the rear end of the rear wheels 4 when the front two-wheel lean vehicle 1 is viewed from above.
  • the saddle 9 is arranged so that its rear end is located above the rear wheels 4 when the front two-wheel lean vehicle 1 is viewed in the left-right direction.
  • the seat post 91 is configured to be able to expand and contract in length.
  • the seat post 91 includes an inner pipe 911 and an outer pipe 912.
  • One end of the outer pipe 912 is connected to the main frame 212.
  • One end of the inner pipe 911 is connected to the saddle 9.
  • the other end of the inner pipe 911 is inserted into the other end of the outer pipe 912.
  • the inner pipe 911 is movable in the axial direction with respect to the outer pipe 912 while being inserted into the outer pipe 912.
  • the position of the saddle 9 with respect to the main frame 212 can be adjusted.
  • the height position of the saddle 9 can be adjusted. That is, the position of the saddle 9 in the vertical direction relative to the vehicle body frame 21 can be adjusted.
  • the inner pipe 911 and the outer pipe 912 are fixed by a fixing member (not shown) with the lower part of the inner pipe 911 positioned within the outer pipe 912.
  • This fixing member is located, for example, at the upper end of the outer pipe 912.
  • the fixing member holds the inner pipe 911 within the outer pipe 912, for example, by applying a tightening force to the upper end of the outer pipe 912 in the radial direction.
  • the configuration of the fixing member may be such that the tightening force is generated by fastening a bolt, or may be configured to generate the tightening force using the principle of lever operation. That is, the fixing member may have any configuration as long as it can fix the inner pipe 911 to the outer pipe 912.
  • the seat post 91 extends from the vehicle body frame 21 toward the rear and above of the vehicle body frame 21.
  • the seat post 91 is arranged such that the distance D1 between the handlebar 651 and the axis P of the seat post 91 is larger than the distance D2 between the lower portion of the steering shaft 652a and the lower portion of the seat post 91. That is, when looking at the front two-wheel lean vehicle 1 in the left-right direction, the seat post 91 and the steering shaft 652 are arranged so as to be spaced apart from each other in the longitudinal direction of the vehicle as they go upward.
  • the seat post 91 When looking at the front two-wheel lean vehicle 1 in the left-right direction, the seat post 91 has an upper end located further back than a lower end, and an extension line (axis P) that extends from the left foot resting plate portion 811 or the right foot resting plate portion. 821 so as to intersect with the latter half portion X of at least one side.
  • the latter half portion X is a portion located behind the center in the front-rear direction in at least one of the left foot placement plate portion 811 and the right foot placement plate portion 821.
  • the saddle 9 and the handlebars 651 when looking at the front two-wheel lean vehicle 1 in the left-right direction, the saddle 9 and the handlebars 651 have a distance L2 in the longitudinal direction between the highest position of the saddle 9 and the highest position of the handlebars 651.
  • the handlebars 651 and 651 are configured to be able to adjust their positions in the vertical direction so that they are larger than the distance L1 in the longitudinal direction between the lowest position of the handlebar 651 and the lowest position of the handlebar 651.
  • the highest position is the highest position that can be set, and is, for example, the position shown by the dashed line in FIG.
  • the lowest position is the lowest position that can be set, and is, for example, the position shown by the solid line in FIG.
  • the driver In the front two-wheel lean vehicle 1 having the load transmission mechanism 8, the driver, while seated on the saddle 9, applies a load to the left foot placement plate portion 811 and the right foot placement plate portion 821 of the load transmission mechanism 8. As a result, the load is transmitted to the link mechanism 5. Thereby, the driver can smoothly tilt the vehicle body frame 21 to the left or right.
  • the saddle 9 and the seat post 91 are arranged so that the left foot of the driver seated on the saddle 9 is positioned at a position where a load can be applied to the left foot rest plate part 811, or the right foot of the driver seated on the saddle 9 is placed on the right foot rest. It is provided in the vehicle body frame 21 so as to be positioned at a position where a load can be applied to the placing plate part 821.
  • the driver seated on the saddle 9 is positioned in a position where the left foot can apply a load to the left foot placement plate 811 of the load transmission mechanism 8, or the right foot is placed in a position where the load is applied to the right foot placement plate 821. It is placed in a position where it can be applied. Therefore, even when the front two-wheel lean vehicle 1 runs at a low speed, the driver can more reliably apply the load to the left foot resting plate part 811 with the left foot while seated on the saddle 9. Alternatively, the load can be more reliably applied to the right foot placement plate portion 821 by the right foot.
  • the driver can transmit the load to the link mechanism 5 via the load transmission mechanism 8. Therefore, in the front two-wheel lean vehicle 1 having the above-mentioned load transmission mechanism 8, the driving sensation of the driver can be further enhanced.
  • FIG. 9 is a left side view of the front two-wheel lean vehicle 1 showing an example of the position of the saddle 9 in the front two-wheel lean vehicle 1.
  • the saddle 9 and the seat post 91 are arranged so that the center position C of the saddle 9 is aligned with the rear wheel 4 in the longitudinal direction of the front two-wheel lean vehicle 1. It is provided in the vehicle body frame 21 so as to be located within a range from the wheel axle 41 of ing.
  • the driver when the driver is seated on the saddle 9, the driver can more reliably apply a load to the left foot placement plate portion 811 of the load transmission mechanism 8 with his left foot, or place the load on the right foot placement plate portion 811 of the load transmission mechanism 8 with his right foot.
  • a load can be more reliably applied to the plate portion 821. Therefore, in the front two-wheel lean vehicle 1 having the above-mentioned load transmission mechanism 8, the driving feeling of the driver can be further enhanced.
  • the degree of freedom in the riding posture of the driver seated on the saddle 9 can be increased, and when the driver is seated on the saddle 9, the weight of the rear part of the vehicle is equal to the weight of the front part of the vehicle. It can be prevented from becoming larger than the Therefore, it is possible to realize a front two-wheel lean vehicle 1 in which the driver can easily get on and off the vehicle and can balance the weight of the vehicle while the driver is seated on the saddle 9.
  • vehicle front section refers to a portion of the front two-wheel lean vehicle 1 that is in front of the intermediate position E when the front two-wheel lean vehicle 1 is viewed in the left-right direction.
  • the rear portion of the vehicle refers to a portion of the front two-wheel lean vehicle 1 that is behind the intermediate position E when the front two-wheel lean vehicle 1 is viewed in the left-right direction.
  • the saddle 9 and the handlebar 651 are movable in the vertical direction.
  • the distance between the saddle 9 and the handlebars 651 in the front-rear direction can be changed. Therefore, the posture of the driver seated on the saddle 9 can be easily changed in accordance with the physique of the driver. Therefore, the driver's driving sensation can be further enhanced without being affected by the driver's physique.
  • the positions of the saddle 9 and the handlebars 651 can be adjusted without changing the front and rear shared loads of the front two-wheel lean vehicle 1.
  • the front two-wheel lean vehicle 1 has a foot placement space S located in the left-right direction of the body frame 21 with respect to the saddle 9 and behind the left foot placement plate portion 811 and the right foot placement plate portion 821 when the vehicle is viewed from above. has.
  • the foot placement space S is a hatched area in FIG.
  • the foot placement space S is provided at a position where the driver can place his or her feet when sitting on or standing up from the saddle 9, and has a size that allows the foot to be placed.
  • the foot placement space S is located in the left-right direction of the vehicle body frame 21 with respect to one rear wheel 4.
  • the width in the left-right direction of a portion including one rear wheel 4 is smaller than the width in the left-right direction of a portion including the left foot placement plate portion 811 and the right foot placement plate portion 821.
  • the front two-wheel lean vehicle 1 when the driver places his or her feet on the left foot rest plate 811 or the right foot rest plate 821 when sitting on the saddle 9 or standing up from the saddle 9, the front two wheel lean vehicle 1 is easily tilted in the left and right direction.
  • the driver since the front two-wheel lean vehicle 1 has the foot placement space S at the above-mentioned position, the driver can move the front two-wheel lean vehicle 1 to the front two-wheel lean vehicle 1 without tilting the front two-wheel lean vehicle 1 in the left-right direction. You can get on and off easily.
  • the saddle 9 is configured to be able to adjust its position in the vertical direction with respect to the vehicle body frame 21.
  • the saddle 9 whose position in the vertical direction is adjustable in this manner, there is a possibility that the driver may sit on or stand up from the saddle 9 located at various positions in the vertical direction.
  • the front two-wheel lean vehicle 1 has a foot placement space S in the left-right direction with respect to the saddle 9 and behind the left foot placement plate portion 811 and the right foot placement plate portion 821, so that the driver can easily sit on or stand up from the saddle 9. Therefore, even when the saddle 9 has a configuration in which the vertical position relative to the vehicle body frame 21 can be adjusted, the driver can easily get on and off the front two-wheel lean vehicle 1.
  • the seat post 91 When looking at the front two-wheel lean vehicle 1 in the left-right direction, the seat post 91 has an upper end located rearward than a lower end, and an extension line extending from at least one of the left foot rest plate part 811 and the right foot rest plate part 821. It is provided so as to intersect with the latter half part X of.
  • the saddle 9 is located on the rear side with respect to at least one of the left foot rest plate part 811 and the right foot rest plate part 821 in the front two-wheel lean vehicle 1. Therefore, the driver can use the foot placement spaces S located in the left-right direction of the vehicle body frame 21 with respect to the saddle 9 and behind the left foot placement plate part 811 and the right foot placement plate part 821, respectively. Can be easily seated. Therefore, it is possible to realize a front two-wheel lean vehicle 1 that allows the driver to easily get on and off when sitting on or standing up from the saddle 9.
  • the saddle 9 and the handlebars 651 are arranged such that when the front two-wheel lean vehicle 1 is viewed in the left-right direction, the distance in the longitudinal direction between the highest position of the saddle 9 and the highest position of the handlebar 65 is the lowest position of the saddle 9 and the lowest position of the handlebar 651.
  • the respective positions are configured to be adjustable in the vertical direction so as to be larger than the distance in the front-rear direction.
  • the saddle 9 can adjust its vertical position with respect to the vehicle body frame 21, and its vertical position with respect to the vehicle body frame 21 can be adjusted.
  • the legs can be easily inserted into and taken out from between the saddle and the handlebars 651. Therefore, the driver can more easily sit on or stand up from the saddle 9. Therefore, it is possible to realize a front two-wheel lean vehicle 1 that allows the driver to easily get on and off when sitting on or standing up from the saddle 9.
  • the front two-wheel lean vehicle 1 has the saddle 9, the left foot resting plate part 811, the right foot resting plate part 821, and one rear wheel 4 in addition to the above-mentioned configuration,
  • the rider can more easily access the saddle 9 by using the foot placement space S located in the direction and behind the left foot placement plate section 811 and the right foot placement plate section 821.
  • the seat post 91 may have a bending portion that bends in the front-rear direction of the front two-wheel lean vehicle 1, or may be connected to the vehicle body frame 21 so as to be rotatable in the front-rear direction.
  • FIG. 10 is a left side view showing a schematic configuration of a front two-wheel lean vehicle 100 according to the second embodiment.
  • the arrangement of the saddle 109 and the seat post 191 is different from the arrangement of the saddle 9 and the seat post 91 in the front two-wheel lean vehicle 1 of the first embodiment.
  • configurations similar to those in Embodiment 1 are given the same reference numerals and explanations are omitted, and only portions that are different from Embodiment 1 will be explained.
  • the saddle 109 and the seat post 191 are arranged such that the center position of the saddle 109 is from the left axle 311 of the left front wheel 31 to the rear end of the left footrest plate part 811 in the front-rear direction of the front two-wheel lean vehicle 100. It is provided on the vehicle body frame 21 so as to be located within the range Q up to the front right wheel 32 or within the range from the right axle 321 of the right front wheel 32 to the rear end of the right foot rest plate part 821.
  • the range Q from the left axle 311 of the left front wheel 31 to the rear end of the left foot rest plate 811 and the range from the right axle 321 of the right front wheel 32 to the rear end of the right foot rest plate 821 are the front 2
  • the ranges may be the same or may be ranges where they partially overlap.
  • the center position C of the saddle 109 is within the range Q from the left axle 311 of the left front wheel 31 to the rear end of the left footrest plate 811, and within the range Q to the right of the right front wheel 32. It may be provided on the vehicle body frame 21 so as to be located within the range from the axle 321 to the rear end of the right footrest plate section 821.
  • the saddle 109 is connected to the vehicle body frame 21 via a seat post 191 so that its position in the vertical and longitudinal directions relative to the vehicle body frame 21 can be changed. That is, the seat post 191 has an inner pipe 191a and an outer pipe 191b, similar to the seat post 91 of the first embodiment.
  • the configuration of the inner pipe 191a is similar to the configuration of the inner pipe 911 of the first embodiment.
  • the configuration of the outer pipe 191b is similar to the configuration of the outer pipe 912 of the first embodiment. Therefore, description of the inner pipe 191a and the outer pipe 191b will be omitted.
  • the driver's center of gravity G can be maintained even if the vertical position of the saddle 109 and the vertical position of the handlebar 651 are changed, as shown in FIG.
  • the position can be located near the center of the front two-wheel lean vehicle 100 in the longitudinal direction. Therefore, the posture of the driver seated on the saddle 109 can be changed to a state in which a load is applied to the left foot placement plate part 811 of the load transmission mechanism 8 by the left foot, or a state in which a load is applied to the right foot placement plate part 821 of the load transmission mechanism 8 by the right foot. You can put it in a state where it is applied. Therefore, the driver can apply a load to the load transmission mechanism 8 while seated on the saddle 109.
  • the driver's driving sensation can be further enhanced.
  • the saddle 109 is arranged such that its rear end is located behind the front end of the rear wheels 4 when the front two-wheel lean vehicle 100 is viewed from above.
  • the saddle 109 is arranged such that its rear end is located in front of the rear end of the rear wheels 4 when the front two-wheel lean vehicle 100 is viewed from above.
  • the saddle 109 is arranged so that its rear end is located above the rear wheels 4 when the front two-wheel lean vehicle 100 is viewed in the left-right direction.
  • steering shaft 652 may have the same configuration as in the first embodiment, but as shown in FIG. is more preferable.
  • the distance between the axis of the seat post 191 and the handlebar 651 can be easily made larger than the distance between the lower part of the seat post 191 and the lower part of the steering shaft 652a. Therefore, when the driver is seated on the saddle, the degree of freedom of the riding posture of the driver can be increased. Therefore, when the driver is seated on the saddle 109, a load can be applied to the left foot mounting plate part 811 of the load transmission mechanism 8 with the left foot of the driver, or a load can be applied to the load transmission mechanism with the right foot of the driver. A load can be applied to the right foot placement plate portion 821 of No. 8.
  • the driver's driving sensation can be further enhanced.
  • the front two-wheel lean vehicle 100 is located in the left-right direction of the body frame 21 with respect to the saddle 109 and on the left foot rest plate when the vehicle is viewed from above. It has a foot placement space located behind the section 811 and the right foot placement plate section 821.
  • the foot placement space is provided at a position where the driver can place his or her feet when sitting on or standing up from the saddle 109, and has a size that allows the foot to be placed.
  • the foot placement space is located in the left-right direction of the vehicle body frame 21 with respect to one rear wheel 4.
  • the driver can easily get on and off the front two-wheel lean vehicle 100 without tilting the front two-wheel lean vehicle 100 in the left-right direction. That is, when the driver sits on the saddle 109 or stands up from the saddle 109, the driver moves in the left-right direction with respect to the saddle 109 and one rear wheel 4, and behind the left foot rest plate part 811 and the right foot rest plate part 821. By placing the feet in the foot placement space located at , it is possible to sit on or stand up from the saddle 109 without placing the feet on the left foot placement plate part 811 or the right foot placement plate part 821.
  • the saddle 109 is configured to be able to adjust its position in the vertical direction with respect to the vehicle body frame 21.
  • the saddle 109 whose position in the vertical direction is adjustable in this manner, there is a possibility that the driver may sit on or stand up from the saddle 109 located at various positions in the vertical direction.
  • the front two-wheel lean vehicle 100 has a foot placement space in the left-right direction with respect to the saddle 109 and behind the left foot placement plate portion 811 and the right foot placement plate portion 821, so that the driver can The user can easily sit on or stand up from the saddle 109. Therefore, even if the saddle 109 has a configuration in which the vertical position relative to the vehicle body frame 21 can be adjusted, the driver can easily get on and off the front two-wheel lean vehicle 100.
  • FIG. 12 is a left side view showing a schematic configuration of a front two-wheel lean vehicle 200 according to the third embodiment.
  • FIG. 13 is a front view showing a schematic configuration of the front two-wheel lean vehicle 200.
  • FIG. 14 is a plan view showing a schematic configuration of a front two-wheel lean vehicle.
  • the configuration of the link mechanism 205 is different from the configuration of the link mechanism 5 of the first embodiment.
  • the configuration of the front two-wheel lean vehicle 200 illustrated in FIG. 12 is simplified compared to the configuration of the front two-wheel lean vehicle 1 shown in FIG. 1.
  • components having the same functions as those in the first embodiment will be denoted by the same reference numerals, explanations of the components will be omitted, and only components that are significantly different from the first embodiment will be described.
  • the link mechanism 205 is a parallel four-bar link (also called a parallelogram link) type link mechanism. As shown in FIG. 12, the link mechanism 205 has a link mechanism front part 205a located at the front of the front two-wheel lean vehicle 200, and a link mechanism rear part 205b extending rearward from the link mechanism front part 205a. . The front link mechanism 205a and the rear link mechanism 205b constitute a parallel four-bar link. In FIGS. 13 and 14, a portion of the front two-wheel lean vehicle 200 that constitutes the link mechanism 205 is schematically shown with a chain line.
  • the link mechanism front portion 205a is located below the handlebar 651 in the vertical direction of the vehicle body frame 21.
  • the link mechanism front portion 205a is located above the left front wheel 31 and the right front wheel 32 in the vertical direction of the vehicle body frame 21.
  • the link mechanism front section 205a includes a front cross section 252, a left side section 253, and a right side section 254.
  • the link mechanism front portion 205a is not interlocked with the rotation of the steering shaft 652 about the intermediate steering axis Z due to the operation of the handlebar 651. That is, the link mechanism front portion 205a does not rotate relative to the vehicle body frame 21 about the intermediate steering axis Z.
  • the front cross portion 252 extends in the left-right direction of the vehicle body frame 21. As shown in FIG. 14, the front cross portion 252 includes a front cross front portion 2521, a front cross rear portion 2522, and front cross connection portions 2523, 2524.
  • the front cross front portion 2521 is located in front of the head pipe 211 in the longitudinal direction of the vehicle body frame 21.
  • the front cross rear portion 2522 is located behind the head pipe 211 in the longitudinal direction of the vehicle body frame 21.
  • the front cross front portion 2521 and the front cross rear portion 2522 each extend in the left-right direction of the vehicle body frame 21.
  • the front cross connecting parts 2523 and 2524 respectively connect the front cross front part 2521 and the front cross rear part 2522 in the longitudinal direction of the vehicle body frame 21.
  • the front cross front portion 2521, the front cross rear portion 2522, and the front cross connection portions 2523, 2524 are integrally formed.
  • the middle portion of the front cross section 252 is rotatably connected to the head pipe 211. That is, the front cross portion 252 is rotatable with respect to the head pipe 211 around the front intermediate connection axis CI (intermediate axis) extending in the longitudinal direction of the vehicle body frame 21.
  • the left end portion of the front cross portion 252 is rotatably connected to the left side portion 253. That is, the front cross portion 252 is rotatable with respect to the left side portion 253 around the front left connecting axis CL (left axis) extending in the longitudinal direction of the vehicle body frame 21 .
  • the right end portion of the front cross portion 252 is rotatably connected to the right side portion 254. That is, the front cross portion 252 is rotatable with respect to the right side portion 254 about the front right connection axis CR (right axis) extending in the front-rear direction of the vehicle body frame 21 .
  • the front intermediate connection axis CI, the front right connection axis CR, and the front left connection axis CL extend parallel to each other.
  • the front intermediate connection axis CI, the front right connection axis CR, and the front left connection axis CL are located above the left front wheel 31 and the right front wheel 32 in the vertical direction of the vehicle body frame 21.
  • a left foot load transmission section 281 of the load transmission mechanism 208 is connected to the lower part of the left side section 253. Specifically, the front end portion of the left foot load transmitting portion 281 is connected to the lower portion of the left side portion 253.
  • the left foot load transmission section 281 includes a left foot placement plate section 2811, a left foot load receiving frame front section 2812a, and a left foot load receiving frame rear section 2812b.
  • the left leg load receiving frame front portion 2812a extends from the left side portion 253 to the rear of the vehicle body frame 21 in the front-rear direction and to the bottom of the vehicle body frame 21 in the vertical direction.
  • the left foot load receiving frame rear portion 2812b extends rearward in the front-rear direction of the vehicle body frame 21 from the lower end of the left foot load receiving frame front portion 2812a.
  • the left foot load receiving frame front portion 2812a and the left foot load receiving frame rear portion 2812b are integrally formed.
  • the left foot load receiving frame rear portion 2812b supports a flat left foot placement plate portion 2811. That is, the left foot load receiving frame rear part 2812b extends below the left foot placement plate portion 2811 in the front-rear direction of the vehicle body frame 21.
  • the left leg load receiving frame rear part 2812b is connected to the lower part of the left leg placement plate part 2811.
  • a right foot load transmission section 282 of the load transmission mechanism 208 is connected to the lower part of the right side section 254. Specifically, the front end portion of the right foot load transmitting portion 282 is connected to the lower portion of the right side portion 254.
  • the right foot load transmission section 282 includes a right foot placement plate section 2821, a right foot load receiving frame front section 2822a, and a right foot load receiving frame rear section 2822b.
  • the right foot load receiving frame front portion 2822a extends from the right side portion 254 to the rear of the vehicle body frame 21 in the front-rear direction and to the bottom of the vehicle body frame 21 in the vertical direction.
  • the right foot load receiving frame rear portion 2822b extends rearward in the front-rear direction of the vehicle body frame 21 from the lower end of the right foot load receiving frame front portion 2822a.
  • the right foot load receiving frame front portion 2822a and the right foot load receiving frame rear portion 2822b are integrally formed.
  • the right foot load receiving frame rear portion 2822b supports a flat right foot placement plate portion 2821. That is, the right foot load receiving frame rear part 2822b extends below the right foot placement plate portion 2821 in the front-rear direction of the vehicle body frame 21.
  • the right foot load receiving frame rear portion 2822b is connected to the lower part of the right foot placement plate portion 2821.
  • the left foot load receiving frame rear portion 2812b and the right foot load receiving frame rear portion 2822b are connected in the left-right direction of the vehicle body frame 21 by a left-right connecting portion 283.
  • the left end portion of the left-right connecting portion 283 is connected to the rear end portion of the left foot load receiving frame rear portion 2812b.
  • the left end portion of the left-right connecting portion 283 is rotatable with respect to the left foot load transmitting portion 281 around a rear left connecting axis RL extending in the front-rear direction of the vehicle body frame 21 .
  • the right end portion of the left and right connecting portion 283 is connected to the rear end portion of the right foot load receiving frame rear portion 2822b.
  • the right end portion of the left and right connecting portion 283 is rotatable with respect to the right leg load transmitting portion 282 around the rear right connecting axis RR extending in the front-rear direction of the vehicle body frame 21 .
  • the center portion of the left-right connecting portion 283 in the left-right direction is rotatable with respect to the under frame 214 about the rear intermediate connecting axis RI extending in the front-rear direction of the vehicle body frame 21.
  • the left leg load transmitting section 281, the right leg load transmitting section 282, and the left/right connecting section 283 function as part of a link mechanism. That is, the left leg load transmitting section 281, the right leg load transmitting section 282, and the left/right connecting section 283 constitute the link mechanism rear part 205b.
  • the left foot load receiving frame rear part 2812b is a part of the left foot load transmitting part 281
  • the right foot load receiving frame rear part 2822b is a part of the right foot load transmitting part 282. Therefore, the vertical movement of the left foot load receiving frame rear portion 2812b and the right foot load receiving frame rear portion 2822b described above is transmitted to the left side portion 253 and right side portion 254 of the link mechanism front portion 205a.
  • the left foot load transmission part 281, the right foot load transmission part 282 and the left and right connecting part 283, together with the above-mentioned link mechanism front part 205a, constitute the link mechanism 205.
  • the left and right connecting part 283 functions as the rear cross part of the link mechanism 205.
  • the left-right connecting portion 283 when looking at the front two-wheel lean vehicle 200 in the left-right direction, the left-right connecting portion 283 is located behind the front cross portion 252 in the longitudinal direction of the vehicle body frame 21.
  • the front cross portion 252 and the left and right connecting portions 283 are arranged at positions that do not overlap in the front-rear direction, that is, at different positions in the front-rear direction.
  • the front cross portion 252 and the left and right connecting portions 283 are located at positions that do not overlap in the vertical direction, that is, at different positions in the vertical direction. placed in position.
  • the front cross portion 252 is located above the left and right connecting portions 283 when the front two-wheel lean vehicle 200 is viewed in the front-rear direction.
  • the left-right connecting portion 283 is located below the left axle 311 of the left front wheel 31 and the right axle 321 of the right front wheel 32 when the front two-wheel lean vehicle 200 is viewed in the left-right direction.
  • the number of cross sections in the link mechanism front section 205a is equal to the number of cross sections in the link mechanism 5 of the first embodiment. It can be reduced compared to the number. As a result, the lengths of the left side portion 253 and right side portion 254 of the link mechanism front portion 205a of the link mechanism 205 are made smaller than the lengths of the left side portion 53 and right side portion 54 of the link mechanism 5 of the first embodiment. , can be shortened.
  • the front two-wheel lean vehicle 200 having the above-described configuration also includes a saddle 9 and a seat post 91, similar to the front two-wheel lean vehicle 1 of the first embodiment. That is, in the front two-wheel lean vehicle 200, the saddle 9 is connected to the vehicle body frame 21 via the seat post 91.
  • the configurations of the saddle 9 and seat post 91 are similar to those of the first embodiment. That is, as shown in FIG. 12, the seat post 91 is configured such that the distance D1 between the handlebar 651 and the axis P of the seat post 91 is larger than the distance D2 between the lower part of the steering shaft 652a and the lower part of the seat post 91. It is located. That is, when looking at the front two-wheel lean vehicle 1 in the left-right direction, the seat post 91 and the steering shaft 652 are arranged so as to be spaced apart from each other in the longitudinal direction of the vehicle as they go upward.
  • the saddle 9 is arranged so that its rear end is located behind the front end of the rear wheels 4 when the front two-wheel lean vehicle 200 is viewed from above.
  • the saddle 9 is arranged such that its rear end is located in front of the rear end of the rear wheels 4 when the front two-wheel lean vehicle 200 is viewed from above.
  • the saddle 9 is arranged so that its rear end is located above the rear wheels 4 when the front two-wheel lean vehicle 200 is viewed in the left-right direction.
  • the seat post 91 when looking at the front two-wheel lean vehicle 200 in the left-right direction, the seat post 91 has an upper end located rearward than a lower end, and an extension line (axis P) extending from the left footrest plate. It is provided so as to intersect with the rear half portion X of at least one of the right foot rest plate part 2811 and the right foot rest plate part 2821.
  • the latter half portion X is a portion located behind the center in the front-rear direction in at least one of the left foot placement plate portion 2811 and the right foot placement plate portion 2821.
  • the driver In the front two-wheel lean vehicle 200 having the load transmission mechanism 208, the driver, while seated on the saddle 9, applies a load to the left foot placement plate portion 2811 and the right foot placement plate portion 2821 of the load transmission mechanism 208. As a result, the load is transmitted to the link mechanism 205. Thereby, the driver can smoothly tilt the vehicle body frame 21 to the left or right.
  • the front two-wheel lean vehicle 200 may be configured to be able to adjust the vertical position of the saddle 9.
  • the front two-wheel lean vehicle 200 may be configured to be able to adjust the vertical position of the handlebar 651.
  • the front two-wheel lean vehicle 200 is located in the left-right direction of the body frame 21 with respect to the saddle 9 and behind the left foot rest plate part 2811 and the right foot rest plate part 2821, when the vehicle is viewed from above. It has a foot placement space S located at .
  • the foot placement space S is a hatched area in FIG.
  • the foot placement space S is provided at a position where the driver can place his or her feet when sitting on or standing up from the saddle 9, and has a size that allows the foot to be placed.
  • the foot placement space S is located in the left-right direction of the vehicle body frame 21 with respect to one rear wheel 4.
  • the width in the left-right direction of a portion including one rear wheel 4 is smaller than the width in the left-right direction of a portion including the left foot placement plate portion 2811 and the right foot placement plate portion 2821.
  • the front two-wheel lean vehicle 200 when the driver places his or her feet on the left foot placement plate portion 2811 or the right foot placement plate portion 2821 when sitting on the saddle 9 or standing up from the saddle 9, the front two wheel lean vehicle 200 is easily tilted in the left and right direction.
  • the front two-wheel lean vehicle 200 since the front two-wheel lean vehicle 200 has the foot placement space S at the above-mentioned position, the driver can lean the front two-wheel lean vehicle 200 without tilting the front two-wheel lean vehicle 200 in the left-right direction. You can get on and off easily.
  • the saddle 9 is configured to be able to adjust its position in the vertical direction with respect to the vehicle body frame 21.
  • the saddle 9 whose position in the vertical direction is adjustable in this manner, there is a possibility that the driver may sit on or stand up from the saddle 9 located at various positions in the vertical direction.
  • the front two-wheel lean vehicle 200 has the foot placement space S in the left-right direction with respect to the saddle 9 and behind the left foot placement plate portion 2811 and the right foot placement plate portion 2821, so that the driver can easily sit on or stand up from the saddle 9. Therefore, even if the saddle 9 has a configuration in which the vertical position relative to the vehicle body frame 21 can be adjusted, the driver can easily get on and off the front two-wheel lean vehicle 200.
  • front two-wheel lean vehicle 200 may be provided with the saddle 109 and seat post 191 of the second embodiment.
  • FIG. 15 is a left side view of the front two-wheel lean vehicle 1 in which a luggage storage section 110 is provided at the front of the vehicle.
  • FIG. 16 is a front view of the front two-wheel lean vehicle 1, with the front two-wheel lean vehicle 1 provided with the luggage storage section 110 provided at the front of the vehicle, tilted to the left, as seen from the front.
  • the front two-wheel lean vehicle 1 may include a luggage storage section 110 supported by the lower cross section 52 of the link mechanism 5.
  • the lower part of the luggage storage section 110 may be supported by a support section 111 connected to the lower cross section 52.
  • the luggage storage section 110 may be, for example, a basket, a case, or a flat plate.
  • the luggage storage section 110 supported by the lower cross section 52 of the link mechanism 5 remains parallel to the ground. That is, the luggage storage section 110 is always parallel to the ground, regardless of the attitude of the front two-wheel lean vehicle 1. Thereby, even if the front two-wheel lean vehicle 1 tilts in the left-right direction, the luggage stored in the luggage storage section 110 can be prevented from tilting.
  • the front two-wheel lean vehicle 1 may be configured such that at least one of the front wheels 3 and the rear wheels 4 is removable.
  • at least one of the left axle 311 of the left front wheel 31, the right axle 321 of the right front wheel 32, and the wheel axle 41 of the rear wheel 4 is configured to be easily attachable to and detachable from the vehicle body frame 21. You can.
  • at least one of the left axle 311, the right axle 321, and the wheel axle 41 may be provided with a protrusion whose presence or absence of protrusion can be switched by pressing a button.
  • the configuration in which at least one of the left axle 311, the right axle 321, and the wheel axle 41 can be detached may have other configurations.
  • the rear wheel 4 may be wider than the front wheel 3.
  • the front wheels 3 and the rear wheels 4 may be fat tires.
  • the saddles 9, 109 and the handlebars 651 are movable in the vertical direction.
  • either the saddle or the handlebars may be movable in the vertical direction.
  • the seat post may be composed of one member, or may be composed of three or more members connected together.
  • the steering shaft may be composed of one member, or may be composed of three or more members connected together.
  • the seat posts 91 and 191 extend from the vehicle body frame 21 toward the rear and above of the vehicle body frame 21.
  • the seat post may extend from the vehicle body frame toward the top of the vehicle body frame, or may extend from the vehicle body frame toward the front and top of the vehicle body frame.
  • the motor 222 of the power unit 22 is provided at the rear wheel 4.
  • the motor may also be provided at the front wheel.
  • the load transmission mechanism 8, 208 is capable of transmitting a load to the left side portion 53, 253 of the link mechanism 5, 205 via the left foot placement plate portion 811, 2811, and the load transmission mechanism 8, 208 is capable of transmitting the load to the left side portion 53, 253 of the link mechanism 5, 205 via the left foot placement plate portion 811, 2811.
  • a load can be transmitted to the right side portions 54, 254 of the link mechanisms 5, 205 via the links 821, 2821.
  • the load transmission mechanism is capable of transmitting a load to the left side part of the link mechanism via the right foot rest plate part, and is also capable of transmitting a load to the right side part of the link mechanism through the left foot rest plate part. You can.
  • the load transmission mechanism may be capable of transmitting a load to a portion other than the left side portion as long as it is located on the left side of the link mechanism.
  • the load transmission mechanism may be capable of transmitting a load to a portion other than the right side portion as long as it is located on the right side of the link mechanism.
  • the left foot rest plate parts 811, 2811 are connected to the left side parts 53, 253 of the link mechanisms 5, 205 by the left connecting part 812 or the left foot load receiving frame
  • the right foot rest plate parts 821, 2821 is connected to the right side portions 54, 254 of the link mechanisms 5, 205 by the right connecting portion 822 or the right foot load receiving frame.
  • the configurations of the left foot rest plate part and the right foot rest plate part are not limited to the configurations of the above embodiments, and may be fixed to the vehicle body frame, for example.
  • the main frame 212 in the front two-wheel lean vehicle 1, 100, 200, the main frame 212 includes an upper frame 213 and an under frame 214.
  • the main frame may have either an upper frame or an under frame, or may have three or more frames.
  • the link mechanism 5 has an upper cross portion 51 located behind the head pipe 211.
  • the link mechanism may have a front upper cross section in front of the rear upper cross section and the head pipe.
  • the link mechanism 5 includes an upper cross portion 51 and a lower cross portion 52 whose intermediate portions are rotatably supported by the head pipe 211 in the left-right direction of the vehicle body frame 21.
  • the link mechanism 205 includes a front cross portion 252 whose intermediate portion is rotatably supported by the head pipe 211 in the left-right direction of the vehicle body frame 21 .
  • the linkage may have other configurations.
  • the seat post 91 is arranged such that the distance D1 between the handlebar 651 and the axis P of the seat post 91 is larger than the distance D2 between the lower part of the steering shaft 652a and the lower part of the seat post 91.
  • the seat post may be arranged such that the distance between the handlebar and the axis of the seat post is equal to or smaller than the distance between the lower part of the steering shaft and the lower part of the seat post.
  • the seat post 91 has an upper end located rearward than a lower end when the front two-wheel lean vehicle 1 is viewed in the left-right direction, and an extension line extends from the left foot rest plate part 811 or the right foot rest. It is provided so as to intersect with at least one rear half portion X of the plate portion 821.
  • the lower end of the seat post may be located further back than the upper end when the front two-wheel lean vehicle is viewed in the left-right direction.
  • the seat post may have an upper end portion and a lower end portion located at the same position in the front-rear direction when the front two-wheel lean vehicle is viewed in the left-right direction.
  • the seat post may be provided such that the extension line intersects with a portion other than the rear half of at least one of the left footrest plate portion and the right footrest plate portion.
  • the steering shaft 652 includes an inner pipe 653 and an outer pipe 654.
  • the length of the upper part 652c of the steering shaft can be changed by changing the position of the inner pipe 653 with respect to the outer pipe 654 in the direction in which the inner pipe 653 extends.
  • the steering shaft may have other configurations as long as its length can be changed.
  • the seat post 91 includes an inner pipe 911 and an outer pipe 912. By adjusting the axial position of the inner pipe 911 with respect to the outer pipe 912, the position of the saddle 9 with respect to the main frame 212 can be adjusted.
  • the seat post may have other configurations as long as the height position of the saddle is adjustable.
  • the saddle 9 and the handlebars 651 are arranged so that the distance L2 in the longitudinal direction between the highest position of the saddle 9 and the highest position of the handlebars 651 is such that when the front two-wheel lean vehicle 1 is viewed in the left-right direction, the distance L2 between the highest position of the saddle 9 and the highest position of the handlebars 651 is
  • the respective positions are configured to be adjustable in the vertical direction so that the distance between the lowest position and the lowest position of the handlebar 651 is larger than the distance L1 in the front-rear direction.
  • the distance between the saddle and handlebars in the longitudinal direction between the highest position of the saddle and the highest position of the handlebars is the same as the distance between the lowest position of the saddle and the lowest position of the handlebars. It may be configured to be equal to or smaller than the distance in the front-rear direction from the position.
  • the saddle and the handlebar are arranged such that the distance in the longitudinal direction between the highest position of the saddle and the highest position of the handlebar is the same when the front two-wheel lean vehicle is viewed in the left-right direction.
  • the positions may be adjustable in the vertical direction so that the distance between the lowest position of the saddle and the lowest position of the handlebar is greater than the distance in the front-rear direction.
  • the steering shaft 652 has a steering shaft bent portion 652b.
  • the steering shaft does not need to have a steering shaft bent portion. That is, the steering shaft may extend straight.
  • the front two-wheel lean vehicle 1, 100, 200 is not provided with a rear arm that supports the rear wheels 4.
  • the front two-wheel lean vehicle may have a rear arm that supports the rear wheels.
  • the front two-wheel lean vehicles 1, 100, and 200 are not provided with a shock absorber that elastically supports the front wheels 3 and the rear wheels 4 in a displaceable manner.
  • the front wheels of a lean vehicle may be supported by a shock absorber.
  • the rear wheels of the front two-wheel lean vehicle may be supported by a shock absorber.
  • the front two-wheel lean vehicle 1, 100, 200 may include a tilt suppression mechanism 7 (deformation suppression section, see FIG. 17) that suppresses left and right tilt of the link mechanism 5.
  • the tilt suppression mechanism 7 includes, for example, a member connected to the vehicle body frame 21 and a member connected to the link mechanism 5, and has a configuration that suppresses relative movement of both members.
  • the tilt suppression mechanism 7 may be provided at the front, center, or rear of the vehicle body frame 21, or may be provided at the link mechanism 5.
  • the tilt suppression mechanism 7 can be switched between an operating state in which the link mechanism 5 is prevented from tilting to the left and right and a non-operating state in which the link mechanism 5 is allowed to tilt to the left and right, for example, by the operation of an operator by the driver. It will be done.
  • FIG. 18 is a diagram showing, as an example, a case where the lean front two-wheel vehicle 1 according to the first embodiment is provided with the tilt suppression mechanism 7.
  • the link mechanism 5 is prevented from tilting to the left and right. can be suppressed by the tilt suppression mechanism 7. Therefore, the driver can easily place his left foot on the left foot placement plate part 811 of the front two-wheel lean vehicle 1, and can also easily place his right foot on the right foot placement plate part 821.
  • the tilt suppression mechanism 7 suppresses deformation of the link mechanism 5 so as to suppress a change in the relative position of the saddle 9 and at least one of the left foot placement plate 811 and the right foot placement plate 821 in the vertical direction. do.
  • the left foot resting plate 811 or the right foot resting At least one of the plate parts 821 can be prevented from moving downward. Therefore, the driver can easily sit down on the saddle or stand up from the saddle by placing his or her feet on at least one of the left foot rest plate 811 and the right foot rest plate 821.
  • At least one of the front wheel brake and the rear wheel brake may also be activated. Thereby, the operator also functions as a parking brake operator.
  • the front two-wheel lean vehicle 1 may have a separate parking brake operator. Further, another operator in the front two-wheel lean vehicle 1 may function as a parking brake operator.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

Un véhicule inclinable à deux roues avant identiques 1 comprend : une ossature de carrosserie de véhicule 21 ; une roue avant gauche 31 ; une roue avant droite 32 ; une poignée de guidon 651 ; un arbre de direction 652 ; une roue arrière unique 4 ; un mécanisme de liaison 5 qui permet à l'ossature de carrosserie de véhicule 21 d'être inclinée vers la gauche et vers la droite ; un mécanisme de transmission de charge 8 qui comprend une partie de plateau de placement de pied gauche 811 sur laquelle le pied gauche d'un opérateur doit être placé, et une partie de plateau de placement de pied droit 821 sur laquelle le pied droit de l'opérateur doit être placé, et qui peut transmettre une charge à une partie gauche du mécanisme de liaison 5 par le biais de la partie de plateau de placement de pied gauche 811 et transmettre une charge à une partie droite du mécanisme de liaison 5 par le biais de la partie de plateau de placement de pied droit 821 ; une selle 9 dont la position dans le sens vertical par rapport à l'ossature de carrosserie de véhicule 21 est réglable ; et des espaces d'agencement de pied S qui sont positionnés à gauche et à droite de la selle arrière 9 et à l'arrière de la partie de plateau de placement de pied gauche 811 et de la partie de plateau de placement de pied droit 821. Dans les espaces d'agencement de pied S respectifs, les pieds peuvent être disposés lorsque l'opérateur est assis sur la selle 9 ou se lève de la selle 9.
PCT/JP2023/033709 2022-09-16 2023-09-15 Véhicule inclinable à deux roues avant identiques WO2024058272A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022-147628 2022-09-16
JP2022147628 2022-09-16

Publications (1)

Publication Number Publication Date
WO2024058272A1 true WO2024058272A1 (fr) 2024-03-21

Family

ID=90275267

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/033709 WO2024058272A1 (fr) 2022-09-16 2023-09-15 Véhicule inclinable à deux roues avant identiques

Country Status (1)

Country Link
WO (1) WO2024058272A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60154973A (ja) * 1984-01-24 1985-08-14 ヤマハ発動機株式会社 揺動型車輛
JP2019503926A (ja) * 2015-12-28 2019-02-14 ピアッジオ エ チ．ソシエタ ペル アチオニ 回転モータ車両
WO2020111255A1 (fr) * 2018-11-29 2020-06-04 ヤマハ発動機株式会社 Véhicule à inclinaison à deux roues avant
JP2022521935A (ja) * 2019-02-22 2022-04-13 スウェイ モータースポーツ エルエルシー 傾斜三輪車
JP2022083251A (ja) * 2020-11-24 2022-06-03 本田技研工業株式会社 車両

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60154973A (ja) * 1984-01-24 1985-08-14 ヤマハ発動機株式会社 揺動型車輛
JP2019503926A (ja) * 2015-12-28 2019-02-14 ピアッジオ エ チ．ソシエタ ペル アチオニ 回転モータ車両
WO2020111255A1 (fr) * 2018-11-29 2020-06-04 ヤマハ発動機株式会社 Véhicule à inclinaison à deux roues avant
JP2022521935A (ja) * 2019-02-22 2022-04-13 スウェイ モータースポーツ エルエルシー 傾斜三輪車
JP2022083251A (ja) * 2020-11-24 2022-06-03 本田技研工業株式会社 車両

Similar Documents

Publication Publication Date Title
US7114737B1 (en) Recumbent vehicle
US6402174B1 (en) Recumbent tricycle with controlled wheel and body lean
JP6121230B2 (ja) 車両
CA2847485C (fr) Vehicule a position couchee
JP7252335B2 (ja) リーン車両
JP5915625B2 (ja) 乗り物
JP7420699B2 (ja) 車両
JP7545981B2 (ja) リーン車両
WO2024058272A1 (fr) Véhicule inclinable à deux roues avant identiques
JP2023502064A (ja) 傾斜式三輪車両
JPH11180369A (ja) 多機能自転車
WO2024058271A1 (fr) Véhicule inclinable à double roue avant
US9205856B2 (en) Vehicle
NL1035799C2 (en) Tiltable tricycle.
TWI392616B (zh) 可變軸距輕型載具
JP7539559B2 (ja) 一人乗り電動車両
CN209192126U (zh) 折叠电动代步车
CN207683697U (zh) 一种双人观览车
JP7545980B2 (ja) リーン車両
US11135886B2 (en) Vehicle
JP2023114706A (ja) 四輪自転車
NL1030184C2 (nl) Rijwiel met handaandrijving.
RU1782856C (ru) Средство биотранспорта
JP2018188019A (ja) 三輪自転車
NL9300370A (nl) Fiets.

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23865621

Country of ref document: EP

Kind code of ref document: A1