WO2019082566A1 - Petit véhicule - Google Patents

Petit véhicule

Info

Publication number
WO2019082566A1
WO2019082566A1 PCT/JP2018/035104 JP2018035104W WO2019082566A1 WO 2019082566 A1 WO2019082566 A1 WO 2019082566A1 JP 2018035104 W JP2018035104 W JP 2018035104W WO 2019082566 A1 WO2019082566 A1 WO 2019082566A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle body
vehicle
small vehicle
unit
axle
Prior art date
Application number
PCT/JP2018/035104
Other languages
English (en)
Japanese (ja)
Inventor
信二 池谷
Original Assignee
株式会社イケヤフォーミュラ
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 株式会社イケヤフォーミュラ filed Critical 株式会社イケヤフォーミュラ
Publication of WO2019082566A1 publication Critical patent/WO2019082566A1/fr

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Classifications

    • 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
    • B62K25/00—Axle suspensions
    • B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
    • 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 small vehicle such as a three-wheeled motor vehicle.
  • Patent Document 1 As a conventional small-sized vehicle, for example, there is a rocking-type three-wheeled vehicle described in Patent Document 1.
  • the rocking-type three-wheeled vehicle has a structure in which a front vehicle body and a rear vehicle body are connected by a rocking joint.
  • a rear wheel unit is attached to a rear body frame of the rear body via a swing arm.
  • a loading platform is supported by the rear body frame.
  • the swing arm has a left-right integrated configuration, and the rear wheel unit is a unitized unit of a power unit and left and right rear wheels.
  • the rear body frame is configured to move up and down simultaneously with the left and right rear wheels in accordance with the swing of the swing arm. That is, the left and right rear wheels and the carrier are integrated in the roll direction, and there is no freedom of relative movement in the roll direction between them, and the following problems occur.
  • the front vehicle In cornering travel, the front vehicle can be rolled to the rear vehicle by the swing joint, but the rear vehicle maintains the traveling posture as it is until the centrifugal force (hereinafter referred to as “lateral G”) exceeds the limit. It was difficult for the driver to receive information on the size of the horizontal G that was applied to the driver.
  • the rear vehicle body tilts in the lateral direction according to the riding height on the front vehicle body including the loading platform, which makes the driver feel uncomfortable.
  • the problem to be solved is that the driver feels unnatural due to the fact that the information on the lateral G of the rear vehicle is not easily transmitted to the driver.
  • a front vehicle body having a passenger seat and supporting a front wheel steered by a steering wheel, a rear vehicle body supporting a power unit, and a front vehicle body and a rear vehicle body can be controlled to suppress steering discomfort.
  • the rear vehicle can roll to the front vehicle and left and right rear wheels, and the information on the lateral G of the rear vehicle can be easily transmitted to the driver at an early stage via the rolling unit. it can.
  • the rear wheel mounted on the rear vehicle body can operate relative to the rear vehicle body, and the inclination of the rear vehicle body in the lateral direction can be suppressed.
  • Example 1 It is the perspective view seen from the back side of the three-wheeled motor vehicle.
  • Example 1 It is a sectional view of a three-wheeled motor vehicle.
  • Example 1 It is a bottom view of a three-wheeled motor vehicle.
  • FIG. 4 is a cross-sectional view taken along line IV-IV in FIG.
  • Example 1 It is a side view of a three-wheeled motor vehicle with a passenger seat, a left rear wheel and the like omitted.
  • Example 1 It is a top view of the three-wheeled motor vehicle which abbreviate
  • Example 1 It is the perspective view which abbreviate
  • Example 1 It is the perspective view which abbreviate
  • Example 1 It is a top view of an arm.
  • Example 1 It is a side view of an arm.
  • Example 1 It is a front view of a rolling unit.
  • Example 1 It is sectional drawing of a rolling unit.
  • Example 1 It is an attachment state perspective view of a rolling unit.
  • Example 1 It is an expansion perspective view of a swing lock.
  • Example 1 It is operation
  • Example 1 It is operation
  • Example 1 It is the perspective view which abbreviate
  • Example 2 It is the side view which abbreviate
  • Example 2 It is the top view which abbreviate
  • Example 2 It is the rear elevation which abbreviate
  • Example 2 It is a schematic rear view of a three-wheeled motor vehicle.
  • Example 2 It is the perspective view which abbreviate
  • Example 3 It is the side view which abbreviate
  • Example 3 It is the top view which abbreviate
  • Example 3) It is the rear elevation which abbreviate
  • the present invention has realized the object of making it possible to suppress the sense of incongruity in steering as follows.
  • the rolling unit was composed of a unit bearing capable of supporting thrust and radial loads.
  • the rolling unit is disposed between the rear end of the front body and the front end of the rear body.
  • the said suspension part is an independent suspension part on either side.
  • the suspension may be an axle suspension using a rigid axle or a dodeon axle or the like. In any case, it is sufficient if there is a combination of a roll axis between the front and rear bodies and a roll axis by the suspension portion.
  • the power unit is constituted by an electric motor and supported by the rear vehicle body.
  • the rocking fulcrum of the axle is disposed at the rear of the axle.
  • FIG. 1 is a perspective view of the three-wheeled motor vehicle 1 as viewed from the rear side.
  • FIG. 2 is a cross-sectional view of the three-wheeled motor vehicle 1.
  • FIG. 3 is a bottom view of the three-wheeled motor vehicle 1.
  • 4 is a cross-sectional view taken along line IV-IV in FIG.
  • FIG. 5 is a side view of the three-wheeled motor vehicle 1 with the passenger seat and the left rear wheel omitted.
  • FIG. 6 is a plan view of the three-wheeled motor vehicle 1 with the passenger seat and the left rear wheel omitted.
  • FIG. 1 is a perspective view of the three-wheeled motor vehicle 1 as viewed from the rear side.
  • FIG. 2 is a cross-sectional view of the three-wheeled motor vehicle 1.
  • FIG. 3 is a bottom view of the three-wheeled motor vehicle 1.
  • 4 is a cross-sectional view taken along line IV-IV in FIG.
  • FIG. 5 is a
  • FIG. 7 is a perspective view from the rear side with the passenger seat and the left rear wheel of the three-wheeled motor vehicle 1 omitted.
  • FIG. 8 is a perspective view from the front side with the passenger seat and the left rear wheel etc. of the three-wheeled motor vehicle 1 omitted.
  • FIG. 9 is a plan view of the arm.
  • FIG. 10 is a side view of the arm.
  • the actual three-wheeled motor vehicle 1 is provided with an exterior covering the frame frame.
  • front and rear mean the front and rear of the vehicle body
  • left and right mean the left and right of the vehicle width direction
  • the upper and lower mean the upper and lower sides of the vehicle vertical direction.
  • the three-wheeled motor vehicle 1 of the present embodiment is a small straddle-type small vehicle that travels by driving a pair of left and right rear wheels 3a and 3b by the rotational drive force of an electric motor.
  • the three-wheeled motor vehicle 1 includes a front vehicle body 5 and a rear vehicle body 7.
  • the front vehicle body 5 and the rear vehicle body 7 are connected to be relatively rollable by a rolling unit 9. For this reason, when the front vehicle body 5 is tilted to the left and right (bank operation), if the lateral G is small, it is possible to perform cornering while the rear wheels 3a and 3b on the rear vehicle body 7 side are in contact with the road surface.
  • the left and right rear wheels 3a and 3b are suspended by the suspension portion 11 on the rear vehicle body 7, and the rear vehicle body 7 is capable of rolling on the left and right rear wheels 3a and 3b.
  • the front vehicle body 5 has a passenger seat 13 and has a structure in which a front wheel 17 steered by a steering handle 15 is supported.
  • the front vehicle body 5 includes a front vehicle body frame 19.
  • the front body frame 19 is formed of a round pipe.
  • the front body frame 19 can also be formed of a pipe or the like having a rectangular cross section.
  • the front body frame 19 constitutes a frame of the front body 5 and includes an integral main frame 19a and a base frame 19b.
  • the main frame 19a extends vertically and is slightly inclined forward.
  • a head pipe 21 is attached to the upper front end of the main frame 19a.
  • the lower portion 19ab of the main frame 19a is continuous with the base frame 19b via the bending portion 19ac.
  • the head pipe 21 rotatably supports the steering stem 23.
  • a steering handle 15 is attached to an upper end portion of the steering stem 23.
  • a front fork 25 is attached to the lower part of the steering stem 23.
  • the front fork 25 includes a first front fork 25a and a second front fork 25b.
  • the first front fork 25 a is disposed in the vertical direction, and its upper end is fixed to the lower end of the steering stem 23.
  • the second front fork 25b is disposed in the front-rear direction, and rotatably supports the front wheel 17 at its front end.
  • a coupling bracket 25ba is provided on the rear side of the second front fork 25b.
  • the lower end of the first front fork 25a is coupled to the coupling bracket 25ba so as to be relatively rotatable in the front-rear direction.
  • a front suspension 29 formed of a shock absorber and a coil spring is coupled in a left-right pair between the upper front surface of the first front fork 25a and the front upper surface of the second front fork 25b.
  • Floor brackets 31a and 31b are provided in front of and behind the base frame 19b.
  • the floor brackets 31a, 31b project left and right.
  • a floor panel 32 made of resin or the like is mounted on the floor brackets 31a and 31b.
  • a seat mounting frame 33 projects upward from the rear side of the base frame 19b.
  • the seat attachment frame 33 includes a seat support bar 33a and a reinforcing bar 33b.
  • the seat support bar 33a is raised from the middle part of the base frame 19b, and the upper part extends rearward.
  • the reinforcing bar 33 b is formed in a roll bar shape, and is disposed crossing the rear end portion of the base frame 19 b in the left-right direction.
  • a mounting bracket 35 is integrally provided at the rear end of the base frame 19b. The mounting bracket 35 protrudes to the left and right, and the lower ends of the reinforcing bar 33 b are fixed to the left and right ends.
  • Seat brackets 36a and 36b are attached to the seat support bar 33a and the reinforcing bar 33b.
  • the passenger seat 13 is disposed on the seat mounting frame 33, and is fastened and fixed to the seat brackets 36a and 36b by bolt nuts and the like.
  • a battery mounting pan 39 is fixed to the lower portion of the seat mounting frame 33 on the rear side of the base frame 19b.
  • a pair of left and right batteries 40 a and 40 b are mounted and fixed on the battery mounting pan 39.
  • the batteries 40a and 40b supply electric power to various mechanisms driven by electric power, such as an electric motor.
  • the two batteries 40 a and 40 b of the first embodiment are substantially rectangular parallelepipeds, and are stored and placed in the lower part of the passenger seat 13.
  • the monitoring mechanism and the like of the batteries 40a and 40b are provided in the battery pack.
  • the front vehicle body 7 is provided with various configurations that are general in a three-wheeled motor vehicle such as a steering damper, a brake system for a front wheel WF, a headlight, a rearview mirror, and the like.
  • the rear vehicle body 7 includes left and right side members 38a and 38b, and supports the power unit 37.
  • the left and right side members 38a and 38b are formed of round pipes, rise from the lower front end, and extend to the rear of the vehicle body via the curved portion.
  • the side members 38a, 38b can also be formed by square pipes or the like.
  • the left and right side members 38a, 38b are connected at the front by a connecting panel 41 and at the rear by a cross member 43 with a hole, and further on the rear side of the rear cross member 43 a perforated gear box mount panel 45
  • the members 38a and 38b are fixedly coupled to each other.
  • the power unit 37 includes an electric motor 37a and a gear box 37b, and the gear box 37b is detachably attached to the gear box mount panel 45 by a bolt and nut or the like.
  • the heavy load power unit 37 consisting of the electric motor 37a and the gear box 37b becomes a load on the spring, and the unsprung load is that of the left and right rear wheels 3a, 3b.
  • Rear drive shafts 51a and 51b which are left and right axles, are connected to the gear box 37a.
  • the left and right inner ends of the left and right rear drive shafts 51a and 51b are coupled to the output shaft of the gearbox 37a by the left and right universal joints 52a and 52b as shown in FIG.
  • hub units 55a and 55b including a disk brake are coupled by universal joints 54a and 54b.
  • Left and right rear wheels 3a, 3b are fastened and fixed to the hub units 55a, 55b by wheel nuts.
  • the left and right rear wheels 3a, 3b are coupled to the power unit 37 by the left and right rear drive shafts 51a, 51b.
  • the left and right rear wheels 3 a and 3 b are configured to be suspended by the left and right independent suspension portions 53 a and 53 b that constitute the suspension portion 11 on the rear vehicle body 7.
  • the rear drive shafts 51a and 51b can be changed in axial angle with respect to the rear vehicle body 7 and the rear wheels 3a and 3b by universal joints 52a, 52b, 54a and 54b, and are adapted to the independent suspension portions 53a and 53b. .
  • the left and right independent suspension parts 53a, 53b include left and right first and second arms 57a, 59a, 57b, 59b and left and right rear suspensions 61a, 61b.
  • the left and right first and second arms 57a, 59a, 57b, and 59b are mainly formed of square pipes and have coupling portions 57aa, 59aa, and 57ba each having a bush at the front end. , Equipped with 59ba.
  • the cylindrical portions 63a and 63b are integrally coupled to rear end portions of the left and right first and second arms 57a, 59a, 57b and 59b.
  • the cylindrical portions 63a, 63b include plates 64a, 64b.
  • Shock brackets 69a and 69b are fixed by welding or the like between the first and second arms 57a and 59a and between the first and second arms 57b and 59b.
  • Bump rubber stop plates 71a and 71b are fixed to the upper side of the shock brackets 69a and 69b.
  • the bump rubber stop plates 71a and 71b are disposed corresponding to the bump rubbers 73a and 73b, and the bump rubbers 73a and 73b are attached to the left and right side members 38a and 38b.
  • the left and right side members 38a, 38b are formed of round pipes. However, the side members 38a and 38b may be formed of a pipe or the like having a rectangular cross section.
  • Left and right first arm coupling brackets 65a and 67a are fixed to the side members 38a and 38b on the left and right outer side surfaces of the front portion by welding or the like.
  • the left and right second arm coupling brackets 65b and 67b are fixed to the rear surface of the coupling panel 41 by welding or the like.
  • the front ends of the left and right first and second arms 57a, 59a, 57b and 59b are vertically connected to the left and right first and second arm coupling brackets 65a, 67a, 65b and 67b by coupling portions 57aa, 59aa, 57ba and 59ba It is rotatably coupled.
  • the connecting portions 57aa, 59aa, 57ba, 59ba have a back diagonal angle ⁇ (FIG. 3).
  • the cylindrical portions 63a, 63b of the left and right first and second arms 57a, 59a, 57b, 59b are fitted and coupled to the hub units 55a, 55b.
  • the left and right rear suspensions 61a, 61b are composed of shock absorbers and coil springs.
  • the upper ends of the left and right rear suspensions 61a, 61b are attached to the support pins 75a, 75b on the side members 38a, 38b via bushes.
  • the U brackets at the lower ends of the left and right rear suspensions 61a, 61b are attached to the lower ends of the shock brackets 69a, 69b via bushes.
  • the support pins 75a, 75b are provided protruding outward in the vehicle width direction from the support brackets 76a, 76b.
  • the support brackets 76a and 76b are fixed to the left and right side members 38a and 38b by welding or the like.
  • the left and right rear wheels 3a, 3b are configured to be independently suspended by the rear vehicle body 7 by the left and right independent suspension portions 53a, 53b.
  • the left and right rear drive shafts 51a, 51b are provided with a diversion angle ⁇ (FIG. 4).
  • the rear wheels 3a and 3b of the independent suspension are toe-out on the outside of the vehicle body at the time of cornering roll.
  • the rear wheels 3a and 3b are set such that the rear wheels 3a and 3b become toe-in at the time of bumping according to the rear diagonal angle ⁇ and the diversion angle ⁇ .
  • the power unit 37 is supported by the gear box mount panel 45 on the side members 38a and 38b as described above, and the wiring from the batteries 40a and 40b to the electric motor 37a is Instead of the rear wheels 3a and 3b, the electric motor 37a is disposed on the rear vehicle 7 side.
  • a loading platform is attached to the side members 38a and 38b.
  • FIG. 11 to 13 relate to the rolling unit 9.
  • FIG. 11 is a front view of the rolling unit 9.
  • FIG. 12 is a cross-sectional view of the rolling unit 9.
  • FIG. 13 is a perspective view of the rolling unit 9 in an attached state.
  • the rolling unit 9 is composed of a unit bearing 9a capable of supporting thrust and radial loads.
  • a unit bearing 9a As the unit bearing 9a, an Angular bearing or a tapered roller bearing is used.
  • the rolling unit 9 is disposed between the rear end of the front body 5 and the front end of the rear body 7.
  • the unit bearing 9a of the rolling unit 9 is assembled by fastening the bolt 9b and the nut 9c.
  • First and second flanges 9 d and 9 e for attachment are provided on the front and rear portions of the rolling unit 9.
  • the first flange 9d is composed of four tongues in the upper, lower, left, and right directions, and a through hole 9da is formed in each tongue.
  • the second flange 9e is composed of three tongues at the top and on both the left and right sides, and a through hole 9ea is formed in each tongue.
  • the through hole 9ea is smaller in diameter than the through hole 9da. The number of first and second flanges 9d and 9e and the size of through holes 9da and 9ea are free.
  • the first mounting flange 81 is fixed by welding or the like to the rear end of the base frame 19 b which is the rear end of the front vehicle body 5.
  • the second mounting flange 83 is integrally formed. That is, the first mounting flange 81 constitutes the rear end of the front vehicle body 5, and the second mounting flange 83 constitutes the front end of the rear vehicle body 7.
  • the first mounting flange 81 is formed in a rectangular shape long in the vertical direction.
  • the second mounting flange 83 is formed to face the first mounting flange 81, and the upper portion thereof protrudes in a rectangular shape from the coupling panel 41, and the lower portion is shared by the coupling panel 41.
  • Mounting holes 81a and 83a are formed in the upper and lower sides of the first and second mounting flanges 81 and 83, respectively. However, in the drawings, only the upper attachment holes 81a and 83a are illustrated.
  • the mounting holes 81a and 83a fit the unit bearings 9a when the first and second flanges 9d and 9e are butted against the first and second mounting flanges 81 and 83, respectively.
  • the mounting position of the rolling unit 9 can be changed up and down using the upper and lower mounting holes 81a and 83a.
  • a plurality of fastening holes 81 b and 83 b are formed around the mounting holes 81 a and 83 a.
  • the first flange 9d of the rolling unit 9 is abutted against the first mounting flange 81, and bolts are fixed to the through holes 9da and the fastening holes 81b, which are opposed to each other, and fastened and fixed by nuts.
  • the second flange 9e of the rolling unit 9 abuts on the second mounting flange 83, and bolts are passed through the opposing through holes 9ea and fastening holes 83b and fastened and fixed by nuts.
  • the rolling unit 9 is disposed between the rear end of the front vehicle body 5 and the front end of the rear vehicle body 7, and the front vehicle body 5 and the rear vehicle body 7 are connected in a rollable manner.
  • the rolling unit 9 By changing the mounting position of the rolling unit 9 up and down with respect to the first and second mounting flanges 81 and 83, it is possible to change the pivot height of rolling without changing the basic structure. Moreover, the rolling unit 9 can also be made into the specification which changed the shaft angle.
  • the pivot height and angle can be appropriately adjusted in accordance with the application and the driver, and discomfort in steering can be suppressed.
  • an inclined spacer having a cross section like a wedge for adjustment may be interposed between the first and second mounting flanges 81 and 83 and the first and second flanges 9d and 9e.
  • the rolling unit 9 is composed of the unit bearings 9a and disposed between the rear end of the front vehicle 5 and the front end of the rear vehicle 7. Therefore, the length of the vehicle in the front-rear direction can be shortened.
  • the storage space etc. of the batteries 40a and 40b can be secured without any change without changing.
  • FIG. 14 is an enlarged perspective view of the swing lock 85.
  • FIG. 15 is an operation explanatory view of the swing lock 85 as viewed in the vehicle width direction.
  • FIG. 16 is an operation explanatory view of the swing lock 85 as viewed from the rear of the vehicle body.
  • the swing lock 85 includes a lock lever 87, a lock arm 89, and lock pins 91a and 91b.
  • the lock lever 87 is formed of a round pipe.
  • the lock lever 87 can also be formed by a square pipe or the like.
  • the lock lever 87 has a grip portion 87a at one end and is bent and formed in an L shape.
  • the lock lever 87 is rotatably supported on the left side of the reinforcing bar 33b by a support bracket 87b at the base end side.
  • the grip portion 87 a of the lock lever 87 is disposed on the left side of the passenger seat 13.
  • the position of the grip portion 87a can be changed to the right side of the passenger seat 13 by changing the rotational support position of the lock lever 87 with respect to the reinforcing bar 33b.
  • the base end side of the lock lever 87 is extended along the vehicle width direction, and the first link 93a is rotatably coupled to the end.
  • the second link 93b and the third link 93c are rotatably coupled to the first link 93a, and the toggle mechanism 95 is configured by the first and second links 93a and 93b.
  • the first and second links 93a and 93b are formed as flat plates, and the third link 93c is formed as a square pipe. However, the setting of the plate material of the first and second links 93a and 93b and the third link 93c, and the pipe material is free.
  • the joint 95 a of the toggle mechanism 95 can abut against the stopper 97.
  • the stopper 97 is fixed to the cross member 33ba of the reinforcing bar 33b by welding or the like.
  • the third link 93 c is formed in an upper and lower L shape. One end side of the third link 93c is directed downward and is rotatably supported on the cross member 33ba side of the reinforcing bar 33b. The other end of the third link 93c is directed to the rear of the vehicle body, and the left and right centers of the lock arm 89 are joined to the rear end by welding or the like.
  • the lock arm 89 is formed long in the vehicle width direction, and the lock pins 91 a and 91 b are disposed on the lower side corresponding to both ends of the lock arm 89.
  • the lock pins 91a and 91b are supported by support brackets 101a and 101b provided on the left and right side members 38a and 38b, and project upward.
  • the lock pins 91a and 91b are formed of metal, rubber, hard resin or the like.
  • Vibrations and the like of the rear wheels 3a and 3b during traveling are absorbed by the left and right rear suspensions 61a and 61b, and a vibration and the like of the front wheel 17 are absorbed by the front suspension 29.
  • the power unit 37 is supported on the side members 38a and 38b by the gearbox mount panel 45 as described above, and the wiring from the batteries 40a and 40b to the electric motor 37a is together with the electric motor 37a instead of the rear wheels 3a and 3b It is arranged on the rear body 7 side.
  • the heavy load of the electric motor 37a and the gear box 37b can be mounted on the spring, and the unsprung load can be that of the left and right rear wheels 3a and 3b, and the ride quality can be greatly improved.
  • Wiring can also be arranged on the rear body 7 side, and wiring can be simplified.
  • the wiring from the batteries 40a and 40b to the electric motor 37a is not on the rear wheels 3a and 3b but on the rear vehicle 7 side together with the electric motor 37a, the rear wheels 3a and 3b
  • the wiring is not affected by the rocking even when rocking up and down, and damage to the wiring can also be suppressed.
  • a lateral G acts on the outside of the corner. If the lateral G is small, the roll posture of the rear vehicle 7 does not change so much, but if the lateral G becomes large, the rear vehicle 7 rolls toward the outside of the corners with respect to the rear wheels 3a and 3b by the functions of the left and right independent suspension portions 53a and 53b. Do.
  • the rolling unit 9 permits relative rolling between the front and rear vehicle bodies 5 and 7.
  • the loading platform Due to the rolling of the rear body 7, the loading platform is inclined to the outside of the corner with the power unit 37, and the information applies a lateral load to the rolling unit 9.
  • the rolling unit 9 transmits the thrust load and the radial load from the first mounting flange 81 to the second mounting flange 83 via the unit bearing 9a and the bolt 9b.
  • the load transmitted by the rolling unit 9 is transmitted from the first attachment flange 81 to both ends of the lower end of the reinforcing bar 33 b via the attachment racket 35 near the rear end. By this transmission, the load is transmitted to the passenger seat 13 through the reinforcing bar 33b, and the information on the rolling of the rear vehicle body 7, the cargo bed and the load is transmitted to the driver quickly.
  • the rolling unit 9 is configured by the unit bearing 9a and disposed between the rear end of the front vehicle body 5 and the front end of the rear vehicle body 7, the length of the vehicle longitudinal direction can be shortened to make the vehicle body compact
  • the load is directly transmitted from the second mounting flange 83 to the first mounting flange 81, so that the transmission of rolling information to the driver can be performed accurately and quickly.
  • the driver can feel the rolling of the vehicle body 7 quickly while keeping the rear wheels 3a and 3b in contact in the cornering travel, and the cornering travel can be smoothly performed with the discomfort suppressed while the excessive rolling is suppressed. Can.
  • the roll center C of the rear vehicle body 7 exists at a low level by setting the diversion angle ⁇ as shown in FIG. 4, and the roll angle can be suppressed to enable stable cornering travel.
  • the loading part and the load of the rear vehicle body 7 can be rolled without being rolled or the rolling can be suppressed, and stable traveling can be continued as it is.
  • the swing lock between the front and rear vehicle bodies 5 and 7 can be reliably and easily performed without any inclination between the two.
  • FIG. 17 is a perspective view from the rear side with the passenger seat and the left rear wheel of the three-wheeled motor vehicle 1 omitted.
  • FIG. 18 is a side view in which the passenger seat and the left rear wheel etc. of the three-wheeled motor vehicle 1 are omitted.
  • FIG. 19 is a plan view in which the passenger seat and the left rear wheel etc. of the three-wheeled motor vehicle 1 are omitted.
  • FIG. 20 is a rear view of the three-wheeled motor vehicle 1 with the passenger seat and the left rear wheel omitted.
  • the basic structure is the same as that of the first embodiment, and the same or corresponding components are denoted by the same reference numerals, and redundant description will be omitted.
  • the suspension portion 11 may be a dodeon type as the axle suspension portion 53 instead of the independent suspension portion.
  • the three-wheeled motor vehicle 1 of the second embodiment adopts left and right leaf springs 103a and 103b instead of the first and second arms 57a, 59a, 57b and 59b of the first embodiment.
  • suspension portion 11 of the second embodiment is different from the left and right independent suspension portions 53a and 53b of the first embodiment.
  • leaf spring 103a, 103b Although only one leaf spring 103a, 103b is provided, the number can be increased.
  • the leaf springs 103a and 103b are disposed below the left and right side members 38a and 38b, and extend in the front-rear direction.
  • the front ends of the leaf springs 103a and 103b are connected to the fronts of the side members 38a and 38b by brackets 105a and 105b.
  • the rear ends of the leaf springs 103a and 103b are coupled to the rears of the side members 38a and 38b by the shanks 106a and 106b.
  • An intermediate portion of the leaf springs 103a and 103b is coupled to an axle case of the rear drive shafts 51a and 51b via a bracket.
  • U-brackets of lower ends of the rear suspensions 61a and 61b are fitted and coupled to the leaf springs 103a and 103b at positions immediately before the axle case of the rear drive shafts 51a and 51b.
  • the case on the hub unit 55 a, 55 b side is connected by a dodeon pipe 107.
  • the gear box 37 b of the power unit 37 is replaced by the gear box mount plate 45 of the first embodiment with the cross member 108.
  • the cross member 108 is formed of a round pipe similar to the side members 38a and 38b, and is bent and formed so that the central portion in the vehicle width direction is low. The bending of the central portion of the cross member 108 is also directed to the rear of the vehicle body.
  • the gear box 37 b of the power unit 37 is coupled and fixed on the central portion side of the cross member 108.
  • the first and second arms 57a, 59a, 57b, and 59b swing up and down in the first embodiment, while in the second embodiment, the leaf springs 103a and 103b move up and down. Deflection is substituted.
  • the left and right rear wheels 3a and 3b do not move up and down independently with respect to the rear vehicle body 7 by the dodeon pipe 107, and both move up and down simultaneously or operate with the left and right inclination of the dodeon pipe 107.
  • the rear drive shafts 51a and 51b can change in angle between the left and right hub units 55a and 55b and the gear box 37b, and substantially the same function and effect as those of the first embodiment can be obtained.
  • leaf springs 103a and 103b are attached, and the vibration absorbing characteristics on the rear vehicle body 7 side are improved to make the leaf springs 103a and 103b to drive power and control. Power can also be supported with certainty.
  • left and right leaf springs 103a and 103b are employed instead of the first and second arms 57a, 59a, 57b and 59b of the first embodiment, the structure can be simplified.
  • FIG. 21 is a schematic rear view of the three-wheeled motor vehicle 1.
  • the rear drive shaft 51 of the rigid axle is coupled to a power unit 37 including a banjo type gearbox.
  • a power unit 37 including a banjo type gearbox.
  • Left and right rear wheels 3a and 3b are attached to the rear drive shaft 51 via left and right hub units.
  • the axle case of the rear drive shaft 51 is suspended on the rear vehicle body by leaf springs 103a and 103b.
  • the attachment structure of the leaf springs 103a and 103b is the same as described above.
  • the rear vehicle body 7 can be rolled relative to the left and right rear wheels 3a, 3b by the left and right leaf springs 103a, 103b.
  • the combination of the roll axis between the front and rear bodies and the roll axis by the suspension portion 11 can be provided, and the same function and effect as those of the first embodiment can be obtained.
  • FIG. 22 is a perspective view from the rear side with the passenger seat and the like of the three-wheeled motor vehicle 1 omitted.
  • FIG. 23 is a side view of the three-wheeled motor vehicle 1 with the passenger seat and the like omitted.
  • FIG. 24 is a plan view in which the passenger seat and the like of the three-wheeled motor vehicle 1 are omitted.
  • FIG. 25 is a rear view of the three-wheeled motor vehicle 1 with the passenger seat and the like omitted.
  • the basic structure is the same as that of the first embodiment, and the same or corresponding components are denoted by the same reference numerals, and redundant description will be omitted.
  • the three-wheeled motor vehicle 1 has left and right independent suspension portions 53a having the suspension portions 11 and the first and second arms 57a, 59a, 57b and 59b in the same manner as the first embodiment. It is configured as 53b.
  • the rocking fulcrums of the rear drive shafts 51a, 51b which are axles, are disposed at the rear positions of the rear drive shafts 51a, 51b.
  • the left and right side members 38a and 38b of the third embodiment rise from the lower front end, extend rearward through the curved portion and the inclined portion, and lower to the lower rear end through the curved portion.
  • the rear end portions of the left and right side members 38a and 38b protrude slightly behind the rear wheels 3a and 3b. However, the positions of the rear end portions of the side members 38a and 38b can be freely set.
  • the rear ends of the side members 38 a and 38 b are joined by a low loss member 109.
  • the low work loss member 109 is bent at the center in the vehicle width direction, and both ends thereof are coupled and fixed to the lower end of the rear end of the side members 38a and 38b.
  • the left and right first arm joint brackets 65a and 67a are fixed to the rear surfaces of the left and right side members 38a and 38b by welding or the like on the outer surface in the vehicle width direction.
  • the left and right second arm coupling brackets 65b, 67b are fixed to the lower loss member 109 by welding or the like.
  • the left and right first and second arms 57a, 59a, 57b, 59b are formed of square pipes in the same manner as in FIGS. 9 and 10 of the first embodiment, and are arranged in the direction opposite to the first embodiment. There is. Although not shown, bump rubbers corresponding to the bump rubber stop plate are attached to the left and right side members 38a and 38b.
  • the rear ends of the left and right first and second arms 57a, 59a, 57b and 59b are vertically connected to the left and right first and second arm coupling brackets 65a, 67a, 65b and 67b by coupling portions 57aa, 59aa, 57ba and 59ba It is rotatably coupled to the The rocking fulcrums of the drive shafts 51a and 51b are rotation fulcrums of the coupling portions 57aa, 59aa, 57ba and 59ba with respect to the first and second arm coupling brackets 65a, 67a, 65b and 67b.
  • the connecting portions 57aa, 59aa, 57ba, 59ba have a rear diagonal (similar to FIG. 3).
  • the cylindrical portions of the left and right first and second arms 57a, 59a, 57b, 59b are engaged with the axle cases of the rear drive shafts 51a, 51b as in the first embodiment. It is combined.
  • the left and right rear suspensions 61a and 61b are coupled to the shock brackets 69a and 69b and the support pins 75a and 75b on the side members 38a and 38b as in the first embodiment.
  • the left and right rear wheels 3a, 3b are configured to be independently suspended by the rear vehicle body 7 by the left and right independent suspension portions 53a, 53b.
  • the left and right rear drive shafts 51a, 51b are provided with downward diversion angles (similar to FIG. 4).
  • the power unit 37 of the third embodiment employs a gasoline engine 37c in place of the electric motor 37a of the first embodiment.
  • the gasoline engine 37c is mounted on the first cross member 111 side.
  • the first cross member 111 is joined between the front sides of the side members 38a and 38b by welding or the like.
  • the lock pins 91a and 91b of the swing lock 85 are fixed to the first cross member 111.
  • the gear box 37 b of the power unit 37 is fixed to a second cross member 113 replaced with the gear box mount panel 45 of the first embodiment.
  • the second cross member 113 is joined between the front and rear middle portions of the side members 38a and 38b by welding or the like.
  • the inclined portion at the front of the side members 38a and 38b is formed to be inclined backward, and the reinforcing bar 33b of the seat mounting frame 33 is arranged to be inclined backward in accordance with the inclination of the id members 38a and 38b.
  • the sheet support bar 33a is formed such that the longitudinal portion between the lower inclined portion and the upper horizontal portion is slightly inclined forward.
  • the seat attachment frame 33 is generally inclined rearward to the rear vehicle body 7 side, and the entire length of the front vehicle body frame 19 of the front frame 5 can be shortened.
  • the entire length can be made substantially the same as that of the first embodiment.
  • the battery of the third embodiment is small in size because it uses the gasoline engine 37c for the power unit 37, and can be disposed reasonably under the seat mounting frame 33.
  • the gasoline tank can be disposed between the rear sides of the side members 38a and 38b, though not shown.
  • the arrangement of the battery and the gasoline tank can also be changed between each other.
  • a gasoline engine in addition to the same operation and effect as the first embodiment can be achieved, a gasoline engine can be installed without difficulty.
  • the longitudinal length of the loading platform can be slightly expanded.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

L'invention concerne un petit véhicule permettant de limiter la sensation de sensation d'incongruité lors de la direction. Le petit véhicule selon l'invention comprend : un châssis avant (5) qui est équipé d'un siège passager (13) et qui supporte une roue avant (17) qui est dirigée par un guidon (15) ; un châssis arrière qui supporte une unité de puissance (37) ; une unité de roulement (9) qui relie l'extrémité arrière du châssis avant (5) et l'extrémité avant du châssis arrière (7) de façon à permettre un roulement l'un par rapport à l'autre ; et une unité de suspension (11) qui suspend, à partir du châssis arrière, des roues arrière gauche et droite (7) qui sont couplées à l'unité de puissance (37) au moyen d'un essieu ayant un angle d'essieu variable, permettant au châssis arrière (7) de rouler par rapport aux roues arrière gauche et droite.
PCT/JP2018/035104 2017-10-23 2018-09-21 Petit véhicule WO2019082566A1 (fr)

Applications Claiming Priority (2)

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JP2017204808A JP7013001B2 (ja) 2017-10-23 2017-10-23 小型車両
JP2017-204808 2017-10-23

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WO2019082566A1 true WO2019082566A1 (fr) 2019-05-02

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WO (1) WO2019082566A1 (fr)

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
KR102340947B1 (ko) * 2019-11-14 2021-12-20 한국기계연구원 틸팅각도 제한모듈 및 이를 포함하는 3륜 운송장치
KR102264127B1 (ko) * 2019-12-23 2021-06-14 한국기계연구원 틸팅 각도 범위 조절모듈 및 3륜 운송장치

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US20120098225A1 (en) * 2010-10-26 2012-04-26 Lucas Steven W Leaning vehicle suspension
WO2017013178A1 (fr) * 2015-07-20 2017-01-26 Kerv Automotive N.V. Dispositif de direction pour véhicule inclinable
DE102016003306A1 (de) * 2016-03-17 2017-09-21 Alfons Detter Dreirad-Motorfahrzeug mit Neigetechnik

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JPS58161678A (ja) * 1982-03-19 1983-09-26 本田技研工業株式会社 揺動式三輪車の懸架装置
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JP2006176846A (ja) 2004-12-24 2006-07-06 Nsk Ltd 車輪用軸受ユニットの製造方法
JP4712528B2 (ja) 2005-11-07 2011-06-29 ヤマハ発動機株式会社 車両
JP5034951B2 (ja) 2005-12-22 2012-09-26 株式会社ジェイテクト 砥石修正装置
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JPS50132636A (fr) * 1974-04-08 1975-10-21
JPS53159060U (fr) * 1977-05-18 1978-12-13
JPS6112479A (ja) * 1984-06-26 1986-01-20 スズキ株式会社 鞍乗型後複数輪自動車
JPH03109190A (ja) * 1989-09-21 1991-05-09 Chubu Electric Power Co Inc 電動三輪車
WO2008044838A1 (fr) * 2006-10-10 2008-04-17 Yun-Heum Park Suspension orientable
US20120098225A1 (en) * 2010-10-26 2012-04-26 Lucas Steven W Leaning vehicle suspension
WO2017013178A1 (fr) * 2015-07-20 2017-01-26 Kerv Automotive N.V. Dispositif de direction pour véhicule inclinable
DE102016003306A1 (de) * 2016-03-17 2017-09-21 Alfons Detter Dreirad-Motorfahrzeug mit Neigetechnik

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JP2019077286A (ja) 2019-05-23

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