WO2001036257A1 - Tricycle a mouvement oscillant - Google Patents
Tricycle a mouvement oscillant Download PDFInfo
- Publication number
- WO2001036257A1 WO2001036257A1 PCT/JP2000/008077 JP0008077W WO0136257A1 WO 2001036257 A1 WO2001036257 A1 WO 2001036257A1 JP 0008077 W JP0008077 W JP 0008077W WO 0136257 A1 WO0136257 A1 WO 0136257A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power
- pipe
- frame
- motor
- torsion bar
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
- B62M6/65—Rider propelled cycles with auxiliary electric motor power-driven at axle parts with axle and driving shaft arranged coaxially
Definitions
- the present invention relates to an oscillating tricycle in which a rear frame having two rear wheels is connected to a front frame via a torsion bar.
- the electric assist tricycle disclosed in this publication has a front frame supporting the front wheels and a saddle connected to a rear frame supporting the rear wheels so as to be swingable in the left-right direction in order to improve the turning performance.
- the front frame includes a motor, a power unit for driving the rear wheels by a combined force of the power of the motor and human power (force of depressing a pedal), a battery for supplying power to the motor, and the like. It is equipped with.
- a swing restoring device is provided at a connecting portion between the front frame and the rear frame to return the front frame to the upright position when the vehicle body is tilted during turning or the like.
- the swing restoring device employs a structure in which a portion (a portion swinging left and right) of the front frame located above the swing axis is pulled from both left and right sides by two tension springs.
- the swing restoring device It is desirable for the swing restoring device that the restoring force (force to return to the upright position) when the front frame is swung increases in accordance with the inclination angle.
- the tension spring type swing restoring device configured as described above has a small degree of freedom in selecting the magnitude of the force (the restoring force) to be increased in accordance with the inclination angle due to structural limitations. There was a defect.
- the power unit must be tilted together with the front frame, which makes handling operations during turning and handling heavy.
- a torsion bar may be used as disclosed in Japanese Utility Model Application Laid-Open No. 51-222242.
- a connecting portion between the front frame and the rear frame is disposed near the front edge of the rear wheel in side view, and a hanger pipe and a rear frame supporting the pedal crankshaft in the front frame.
- a torsion bar is mounted between the front end of the torsion bar.
- the swing restoring device disclosed in this publication is configured such that a connecting member of a rear frame is rotatably connected to a rear end of a main pipe of a front frame, and a front end of a torsion bar housed inside the front frame. The part is connected to the front frame, and the rear end is connected to the connecting member.
- the swing restoring device with a built-in torsion bar and the swing restoring device in which the torsion bar is exposed as described above have a torsion bar disposed between the pedal crankshaft and the rear wheel axle.
- the degree of freedom in selecting a spring constant is limited by the limit of allowable stress of a spring material.
- the present invention has been made to solve such a problem, and while adopting a structure in which the torsion bar is hidden to maintain the appearance quality, the degree of freedom in setting the spring constant is increased, and the connection is improved. It is a first object of the present invention to provide an oscillating tricycle provided with a torsion bar type oscillating restoring device in which an excessive load is not applied to the supporting member of the part and the bearing. It is a second object of the present invention to realize a power assisted tricycle in which handling operations during turning and handling are light.
- a swing type three-wheeled vehicle is provided with a support pipe extending in parallel with the front-rear direction from below a seat to a rear axle of a rear wheel on a front frame.
- the main pipe of the rear frame is rotatably supported by the part, the front end of the torsion bar housed in the support pipe is connected to the front end of the support pipe, and the rear end is connected to the rear end of the main pipe. Things.
- the torsion bar extends from the lower end of the seat support portion to the rear of the axle of the rear wheel, so that the torsion bar is housed in the pipe of the frame and is not exposed to the outside.
- the torsion bar can be formed longer than before, and the amount of deformation per unit length can be reduced. For this reason, the selection range of the diameter of the torsion bar can be widened, and the design flexibility of the spring constant can be improved.
- the span of the connecting portion between the front frame and the rear frame can be made long, it is possible to prevent an excessive load from being applied to the bearing of the connecting portion, thereby improving reliability.
- the oscillating tricycle according to the second aspect of the present invention is the oscillating tricycle according to the first aspect of the invention, wherein the front frame includes a power unit that drives a rear wheel with human power and motor power. It is equipped with a bird.
- the front half of the oscillating tricycle according to the present invention has the same configuration as the front half of an existing electric assisted motorcycle. Therefore, according to the present invention, the swing type electric auxiliary tricycle can be easily manufactured at low cost by diverting the power unit of the existing electric auxiliary motorcycle and the front part of the body frame.
- the oscillating tricycle according to the third aspect of the present invention is the oscillating tricycle according to the first aspect of the present invention, wherein a power unit that drives the rear wheels with human power and motor power is provided on the rear frame. It is equipped.
- the weight on the swing side can be reduced. This makes it possible to realize an oscillating electric assisted tricycle whose handling operation is lighter than a structure in which the power unit is mounted on the front frame.
- the oscillating tricycle according to the invention described in claim 4 is the oscillating tricycle according to the invention described in claim 3, wherein the power transmission mechanism for human power, the power transmission mechanism for motors and A power unit that accommodates a combined force mechanism that transmits the combined force and the power of the motor to the rear wheel side as a combined force, and a manpower detection mechanism that detects the magnitude of the manpower in one housing. It is.
- the power unit can be compactly housed in a low and narrow space on the rear frame side.
- the vehicle body can be formed compact, the center of gravity of the vehicle body can be reduced, and an oscillating electric assisted tricycle equipped with a stable oscillating mechanism can be realized.
- FIG. 1 is a side view of an electric auxiliary tricycle as a swing type tricycle according to the present invention.
- FIG. 2 is a side view of the swing restoration device.
- FIG. 3 is a plan view of the swing restoration device.
- FIG. 4 is a front view of a hanger pipe portion.
- FIG. 5 is a sectional view taken along line VV of the frame in FIG.
- FIG. 6 is a sectional view of the swing stopper taken along line VI-VI in FIG.
- FIG. 7 is a configuration diagram showing the position of the chain sprocket during swinging.
- FIG. 8 is a side view of the power unit.
- FIG. 9 is a cross-sectional view of the power unit.
- FIG. 10 is a side view of an electric assisted tricycle with a different battery configuration.
- FIG. 11 is a side view of the electric auxiliary tricycle in which the configuration of the power unit is changed.
- FIG. 12 is an enlarged side view showing a power unit mounting portion.
- FIG. 13 is a plan view of the rear part of the vehicle body.
- FIG. 14 is a rear view of the rear part of the vehicle body.
- FIG. 15 is a side view of the drive shaft portion.
- FIG. 16 is a cross-sectional view taken along line AA of the rear wheel supporting portion in FIG.
- FIG. 17 is a sectional view showing a torsion bar mounting portion.
- FIG. 18 is a side view of the power unit cover. BEST MODE FOR CARRYING OUT THE INVENTION Example 1>
- FIG. 1 is a side view of an electric auxiliary tricycle as a swing type tricycle according to the present invention
- FIG. 2 is a side view of a swing restoring device
- FIG. 3 is a plan view of the same
- FIG. 4 is a front view of a hanger pipe portion. In the figure, the front end of the support pipe and the chain sprocket support are cut away.
- 5 is a cross-sectional view taken along line VV of the frame in FIG. 3
- FIG. 6 is a cross-sectional view taken along line VI-VI of the swing stopper in FIG. 3
- FIG. 7 is a configuration diagram illustrating a position of the chain sprocket during swing.
- 8 is a side view of the power unit
- FIG. 9 is a cross-sectional view of the power unit
- FIG. 8 is a cross-sectional view taken along line IX-IX in FIG.
- the electric assisted tricycle 1 includes one front wheel 2 and two left and right rear wheels 3, and is configured to travel only by the force of depressing a pedal 4, that is, by human power. It is configured to be able to adopt the form of running by the combined force with the power of 6.
- a self-propelled switching switch that switches between a circuit that controls the output of the motor 6 in response to human power and a circuit that controls the output of the motor 6 to maintain the current vehicle speed independently of human power, It is also possible to adopt a configuration in which a speed control device (accelerator device) that manually increases or decreases the output of 6 is installed, and the vehicle runs only with the power of the motor 6.
- the front frame 9 having the front wheel 2 and the steering handle 7 and the saddle 8 of the electric auxiliary tricycle 1 includes a rear frame 10 supporting two left and right rear wheels 3 and a power unit 5, and an axle 1 of the rear wheel 3 on the rear frame 10. It is connected so that it can swing right and left in the vicinity of 1.
- the front frame 9 includes a head pipe 13 that supports the front fork 12 and the steering handle 7 so as to be steerable, and a down tube 1 that extends backward from the head pipe 13. 4, a seat tube 16 connected to the rear end of the down tube 14 via a hanger pipe 15 and connected to the hanger pipe 15 via two connecting pipes 17 and 18. It is composed of a support pipe 19 and the like.
- the saddle 8 is supported on the upper end of the tube 16, and the battery 20 is supported on the rear surface of the seat tube 16.
- the battery 20 is used to supply power to a motor unit 6 of a power unit 5 to be described later, and is attached to a box-shaped battery receiving member 21 fixed to the seat tube 16 in a longitudinal direction of the seat tube 16. Attached and detachable along.
- the seat tube 16 constitutes a seat support according to the present invention.
- the hanger pipe 15 rotatably supports the pedal crankshaft 22.
- the pedal 4 is attached to both ends of a pedal crankshaft 22 via a crank 23.
- a first drive chain sprocket 24 is integrally formed with the crank 23 on the right side of the vehicle body.
- the first driving chain sprocket 24 is provided with a second driving chain sprocket 25 rotatably supported by a connecting pipe 18 extending downward from the hanger pipe 15 to connect the first chain 26 to the second driving chain sprocket 25.
- the second drive chain sprocket 25 has a third drive chain sprocket 27 fixed thereto so as to be located on the same axis and inside the vehicle body.
- the third drive chain sprocket 27 is connected to a driven sprocket 28 (see FIG. 3) of the power unit 5 via a second chain 29, and the rotation of the pedal crankshaft 22 is controlled.
- Power transmission consisting of first drive chain sprocket 24 ⁇ first chain 26 ⁇ second drive chain sprocket 25 ⁇ third drive chain sprocket 27 ⁇ second chain 29
- the power is transmitted to the driven sprocket 28 of the power unit 5 by the system.
- the second drive chain sprocket 25 and the third drive chain sprocket 27 rotate through a bearing 31, 32 on a support shaft 30 protruding from the connection pipe 18. They are freely supported. As shown in FIG.
- the support pipes 19 connected to the lower ends of the connecting pipes 17 and 18 are, as shown in FIG. 5, a first support pipe 33 welded to the connecting pipes 17 and 18, and 1 and a second support pipe 34 welded to the rear end of the support pipe 3 3, as shown in FIGS. 1 and 2, from below the saddle 8 and below the hanger pipe 15.
- the rear wheel 3 extends rearward from the axle 11 and near the rear end of the rear wheel 3 in a side view in parallel with the front-rear direction.
- the rear frame 10 supporting the rear wheels includes a main pipe 35 extending in the front-rear direction at the center in the vehicle width direction, and a rear pipe extending from both sides of the main pipe 35. It is composed of two U-shaped sub-pipes 36, 36 projecting in the vicinity of the ring. These auxiliary pipes 36 are welded to the front end and the rear end of the main pipe 35, respectively, and extend substantially horizontally to the side from the main pipe 35. At the front end of the auxiliary pipe 36 on the right side of the vehicle body, a tensioner 29a for applying tension to the second chain 29 is attached via a bracket (not shown) as shown in FIGS. And support them.
- the rear wheel 3 rotatably supports the axle 11 on the power unit 5 and supports the axle 11 on the rear frame 10 via the power unit 5.
- the power unit 5 is fixed to the rear frame 10 by attaching the front end of the housing 37 of the power unit 5 to the sub pipe 36 on the right side of the vehicle body with the connecting bolt 38, and
- the left axle tube 39 and the right axle tube 40 projecting laterally from the housing 37 are fixed on the left and right auxiliary pipes 36 via fasteners 41, respectively.
- the reference numeral 42 provided at the tip of the left and right axle tubes 39, 40 is a rear wheel brake.
- the main pipe 35 is formed to have a length extending from the vicinity of the front end of the rear wheel 3 to the vicinity of the rear end of the rear wheel 3 in a side view, and connecting cylinders 43, 44 are welded to both ends, as shown in FIG.
- the second support pipe 34 of the front frame 9 is penetrated inside, and is rotatably supported by the second support pipe 34.
- a slide bearing 45 is interposed between the connecting cylinders 43, 44 and the second support pipe 34, and the second support pipe 35 is provided with a second support pipe 45.
- the pipes 34 can rotate smoothly. As the second support pipe 34 rotates with respect to the main pipe 35, the front frame 9 swings in the left-right direction with respect to the rear frame 10.
- the support pipes 19 and the main pipes 35 extend substantially horizontally in the front-rear direction, so that when the front frame 9 is swung, the rear wheels 3 The amount of change in the direction of inclination can be reduced.
- a third drive chain sprocket 27 to which the second chain 29 is connected is supported. By disposing the supporting shaft 30 held in close proximity to the supporting pipe 19, the amount of change in the position of the third driving chain sprocket 27 during swinging is reduced, and the second chain 29 is formed. Twisting can be minimized.
- FIG. 7 shows a change in the position of the third drive chain sprocket 27 when the front frame 9 is swung, and two changes in the chain line of the second chain 29 in FIG. Shown by chain lines.
- the positioning of the main pipe 35 in the front-rear direction is performed by bringing the connecting cylinder 43 at the front end into contact with the second support pipe 34 via the sliding bearing 45 and the connecting cylinder at the rear end. This is achieved by bringing a spacer 46 into contact with 44 via a sliding bearing 45.
- the spacer 46 is positioned and fixed by two nuts 47, 47 screwed to the rear end of the second support pipe 34.
- the torsion bar 51 of the swing restoring device according to the present invention is housed inside the second support pipe 34.
- the torsion bar 51 is formed in a rod shape by a spring material, a front end is fixed to a front end of the first support pipe 33 via a front connecting member 52, and a rear end is used for connecting the rear side. It is connected to the cylinder 44 via a rear connecting member 53.
- the front connecting member 52 includes a flange 52 a welded to the first support pipe 33 and a connecting member main body 52 c fixed to the flange 52 a with fixing bolts 52 b. .
- the connecting member body 52c integrally forms a boss 52e having a tapered hole 52d, and the front end tapered portion 51a of the option bar 51 is fitted into the tapered hole 52d.
- the front end thread portion of the torsion bar 51 is fixed by a fixing nut 54.
- the tapered hole 52 d and the front end tapered portion 51 a are formed so that the diameter becomes gradually smaller toward the front side of the vehicle body, and by tightening the fixing nut 54, the shaft of the torsion bar 51 is formed.
- the torsion bar 51 is fixed so that the axis of the first support pipe 33 coincides with the axis.
- the rear end of the display chamber 51 is spline-fitted to the rear connecting member 53, and the rear connecting cylinder 44 fixed to the rear connecting member 53 with fixing bolts 53a. It is made to be fixed integrally with.
- the front end of the transmission chamber 51 is connected to the front frame 9 via the tapered portion 51a, and the rear end is connected to the rear frame 10 by spline fitting.
- Torsion The manufacturing error of bar 51 becomes negligible. That is, regardless of the positional accuracy of the spline processing section in the circumferential direction, the attitude of the front frame 9 is determined, and then the taper section 51a is tightened, so that the alignment of the upright attitude of the front frame 9 is achieved. It will be easier. It is also possible to adopt a structure in which the front end portion of the 1 ⁇ 1 bar 51 is spline-fitted to the front frame 9 side and the rear end portion is connected to the rear frame 10 side via a tapered portion.
- the front frame 9 swings left and right with respect to the rear frame 10 by inserting the motion bar 51 between the support pipe 19 and the rear frame 10 as described above.
- the torsion bar 51 is twisted.
- a restoring force consisting of the elastic force of the torsion bar 51 is generated, and the returning of the front frame 9 to the upright position (the position in the straight running state) when the turning is completed is determined by the restoring force.
- the maximum swing angle of the front frame 9 is regulated by a stopper 55 provided at a connecting portion between the front end of the rear frame 10 and the support pipe 19.
- the stopper 55 includes a pressing member 56 provided on the support pipe 19 (second support pipe 34) and a front part of the rear frame 10.
- the pressure receiving member 57 is welded to the connecting cylinder 43.
- the pressing member 56 is formed by welding a support plate 56 a having a U-shaped cross section to the second support pipe 34 and screwing a rubber damper 56 b to both ends of the support plate 56 a.
- the structure is fixed by c.
- the pressure receiving member 57 is formed in a downward U-shaped cross section and faces between the two rubber dampers 56 b and 56 b. That is, when the front frame 9 swings and one rubber damper 56 b abuts against the side surface of the pressure receiving member 57 from the side, the stopper 55 causes the front frame 9 to tilt further.
- a plurality of torsion bars 51 having different spring constants are prepared in advance and can be replaced according to the occupant's preference.
- the torsion bar 51 is replaced by removing the connecting member main body 52c from the support pipe 19 and pulling out the torsion bar 51 from the support pipe 19 to the front of the vehicle body. Also, with both the fixing nut 54 and the fixing bolt 53 of the rear connecting member 53 removed, the hammer with the front end (tapered part 5 la) of the torsion bar 51 facing rearward. Tap with a torsion bar 5 1 can also be pulled backwards.
- the power unit 5 mounted on the rear frame 10 is configured by housing components described below in a housing 37 and mounting a motor 6.
- the members housed in the housing 37 are, as shown in FIG. 9, a planetary gear type gearbox 61 to which the driven sprocket 28 is connected, and a planetary roller for reducing the rotation of the output shaft 6 a of the motor 6.
- a speed reducer 6 2 a differential gear device 63 having an axle 11 of the rear wheel 3, a gear shaft 64 for transmitting human power to the differential gear device 63 from the planetary gear type gearbox 61.
- a motor clutch 65 for transmitting the power of the motor 6 to the differential gear device 63;
- the planetary gear type gearbox 61 includes a carrier 68 connected to an input shaft 66 to which a driven sprocket 28 is fixed via a one-way clutch 67, and a planet rotatably supported by the carrier 68.
- a sun gear 70 and an outer gear 71 are provided with the gear 69.
- An arm 72 is provided integrally with the sun gear 70, and a reaction force receiving mechanism 73 (see FIG. 8) is connected to a sensor 74 for detecting human power.
- a ring gear 75 is attached to the outer peripheral gear 71, and is connected to the small diameter gear 64 a of the gear shaft 64 via the ring gear 75.
- the large-diameter gear 64 b of the gear shaft 64 is combined with the ring gear 76 of the differential gear device 63.
- the reaction force receiving mechanism 73 employs a structure in which the rotation of the arm 72 is stopped by the elastic force of the compression coil spring 73a.
- the human power detection sensor 74 converts the amount of rotation of the arm 72 into an electric signal and sends it to a controller (not shown).
- the controller controls the output of the motor 6 in accordance with the amount of rotation of the arm 72 (corresponding to the magnitude of human power).
- the planetary roller type speed reducer 62 has an output shaft 6 a of a motor 6 configured as a sun roller 77, and the motor is mounted on a carrier 79 supporting a planetary roller 78 attached to the sun roller 77.
- the rotating shaft 80 of the evening clutch 65 is spline-fitted.
- the outer peripheral ring 81 of the planetary roller type speed reducer 62 is fixed to the motor 6 by fixing bolts 82.
- the motor clutch 65 includes the rotating shaft 80, a slider 83 supported rotatably on the rotating shaft 80 and movably in the axial direction, and an axis of the slider 83. And a drive mechanism 84 for changing the position in the direction.
- a main gear 83a that engages with the ring gear 76 of the differential gear device 63 and an internal gear 83b that engages with the teeth 80a of the rotary shaft 80 are integrally combined. Is formed by The main gear 83 a is engaged with the ring gear 76 regardless of a change in the position of the slider 83, and the internal gear 83 b moves the slider 83 from the position shown in FIG. 9 to the motor 6.
- the teeth 80a of the rotating shaft 80 By the teeth 80a of the rotating shaft 80.
- the drive mechanism 84 is connected to a shift fork 84 d via a cam 84 c to a lever shaft 84 b having an operation lever 84 a, and the lever shaft 84 b rotates.
- the shift fork 84 d has a structure for moving the slider 83 in parallel in the axial direction.
- the controller controls the rotation of the motor 6 so that the vehicle speed does not excessively increase when descending a slope, and the rotation of the motor 6
- the motor 6 functions as a generator to reduce the vehicle speed by regenerative braking.
- the power transmission system of the motor 6 is cut off by the motor clutch 65 so that the motor 6 becomes a running resistance. To block.
- a pinion 86 is rotatably supported by a case 85 to which the ring gear 76 is fixed, and side gears 87 of the left and right axles 11 are combined with the pinion 86.
- the axle 11 has a shaft end, to which the side gear 87 is fixed, rotatably supported by the housing 37 of the power unit 5 by a bearing 88, and the other end (end on the rear wheel 3 side) of the axle tube.
- the outer ends of 39 and 40 are rotatably supported via bearings not shown.
- the electric auxiliary tricycle 1 configured as described above is provided with a support pipe 19 extending rearward from the axle 11 of the rear wheel 3 in parallel with the front-rear direction at the lower end of the front frame 9.
- the main pipe 35 of the rear frame 10 is rotatably supported on the outer periphery,
- the front end of the torsion bar 51 housed in the support pipe 19 is connected to the front end of the support pipe 19 and the rear end is connected to the rear end of the main pipe 35.
- the length of the torsion bar 51 can be increased, and the amount of deformation of the torsion bar 51 per unit length can be reduced.
- the selection range of the spring constant of the torsion bar 51 can be widened, and an inexpensive spring material can be selected, so that the design flexibility of the spring constant can be improved.
- the weight of the front frame 9 can be reduced as compared with a conventional electric auxiliary tricycle in which the power unit 5 is mounted on the front frame 9.
- the handling operation can be lightened.
- FIG. 10 is a side view of the electric auxiliary tricycle in which the configuration of the battery is changed.
- the same or equivalent members as those described with reference to FIGS. 1 to 9 are denoted by the same reference numerals and detailed description is omitted. I do.
- a bracket 91 is fixed to a rear surface of a seat tube 16, and a battery 20 is detachably attached to the bracket 91.
- the position where the battery 20 is mounted can be made lower than in the case of employing the first embodiment. That is, since the battery 20 can be brought close to the pivot shaft (support pipe 19) of the front frame 9, the force for returning the rocked front frame 9, that is, the elasticity of the torsion bar 51, is reduced. Can be made smaller. Accordingly, the setting range of the spring constant of the 1 ⁇ 1 bar 51 can be widened, and the degree of freedom in setting the 1 ⁇ ⁇ 1 bar 51 can be improved.
- the battery 20 may be mounted on the rear frame 10.
- an electric assisted tricycle has been described as an example of the oscillating tricycle according to the present invention.
- other oscillating tricycles such as an oscillating tricycle without a motor, and An oscillating tricycle equipped with an engine may be used.
- the oscillating tricycle according to the present invention can be configured as shown in FIGS. 11 to 18.
- Fig. 11 is a side view of an electric auxiliary tricycle with a different configuration of the power unit
- Fig. 12 is an enlarged side view showing the power unit mounted part
- Fig. 13 is a plan view of the rear of the vehicle body
- Fig. 14 is the vehicle body.
- Rear view of the rear part Fig. 15 is a side view of the drive shaft part
- Fig. 16 is a cross-sectional view taken along line A-A of the rear wheel supporting part in Fig. 14
- Fig. 17 is a cross-sectional view showing a mounting portion of the torsion bar.
- 18 is a side view of the power unit cover.
- the same or equivalent members as those described with reference to FIG. 1 to FIG. 9 are denoted by the same reference numerals, and detailed description is omitted as appropriate.
- the electric auxiliary tricycle 1 shown in FIGS. 11 to 18 has a power unit 5 mounted on a front frame, and power is supplied from the power unit 5 to the first chain 101 and the second chain 10.
- the transmission is transmitted to the axle 11 of the rear wheel 3 by the transmission device 103 having 2 and travels.
- the axle 11 is formed by a single bar extending from the left rear wheel 3 to the right rear wheel 3.
- the power unit 5 is well known in the prior art for use in an electric assisted bicycle.
- the power unit 5 includes a pedaling force (manpower) applied to a pedal crankshaft 22 and a motor 6 which increases and decreases in accordance with the pedaling force.
- the output chain ring 104 rotates by the resultant force with the power.
- the first chain 101 of the transmission 103 is wound around the chain ring 104.
- the power unit 5 includes a front support bracket 105 and a front support bracket 105 with the motor 6 projecting forward of the vehicle body below the downtube 14. It is attached via the rear support bracket 106.
- the front and rear support brackets 105 and 106 form a pair in the vehicle width direction, respectively.
- the upper end of the front support bracket 105 is welded to the down tube 14, and the front of the power unit 5 is attached to the lower end thereof with fixing bolts 107.
- the rear support bracket 106 is composed of a lug 108 welded to the rear end of the down tube 14 and a reinforcing plate welded to the connecting pipe 17 and the first support pipe 33.
- both ends in the front-rear direction are fixed with fixing bolts 110, and the rear end of the power unit 5 is mounted at the center with fixing bolts 111.
- the lower end of the seat tube 16 and the front end of the connecting pipe 17 are welded to the lug 108, respectively.
- the reference numeral 112 provided to cover the power unit 5 is an external cover.
- the exterior cover 1 1 2 is formed so that it can be divided in the vehicle width direction.
- the front 1 1 a covers the upper portion of the motor 6 and the gear case portion of the power unit 5.
- the central portion 1 1 2 b and the rear portion 1 2 c covering the battery receiving member 21 are integrally formed.
- the transmission 103 has a transmission unit 121 interposed between the first chain 101 and the second chain 102, as shown in FIG.
- This transmission unit 122 is formed by diverting a rear wheel hub for a bicycle having an internal three-stage transmission (not shown), and an input sprocket 122 is provided at the right end of the vehicle body.
- an output sprocket 123 is provided at the left end of the vehicle body.
- the input sprocket 122 is connected to the chain 104 of the power unit 5 by the first chain 101, and the output sprocket 123 is fixed to the axle 11 of the rear wheel 3.
- Sprockets 124 (see Figures 14 and 15) are connected by a second chain 102.
- the transmission unit 122 is rotated by the speed change mechanism (not shown) provided therein so that the output sprocket 123 rotates with respect to the rotation of the input sprocket 122.
- the both ends of the support shaft 125 located at the shaft center are fixed to the transmission supporting plate brackets 126, 127 of the rear frame 10.
- the structure of the rear frame 10 will be described.
- the rear frame 10 includes a main pipe 35 at the center in the vehicle width direction rotatably supported by the support pipe 19, and a main pipe 35.
- a sub-pipe 36 extending linearly to both sides in the vehicle width direction, and a pair of transmission supporting pipes 13 1, 1 extending from the middle of the sub-pipe 36 to the front of the vehicle body substantially horizontally. It is formed by 3 1 etc.
- the main pipe 35 is rotatably supported on the support pipe 19 by the same structure as that of the first embodiment, and is connected via a torsion bar 51.
- the front end of the torsion bar 51 is spline-fitted to the support block 13 at the front end of the support pipe 19.
- the rear end of the treatment bar 51 is formed with a tapered portion 133 so as to be tapered, and this tapered portion 133 is provided at a rear end of the main pipe 35 at the rear end. And is fastened by fixing nuts 135.
- the torsion bar 51 can be pulled out to the rear of the vehicle body by removing the fixing nut 135 and the rear connecting member 53. That is, while adopting a configuration in which the power unit 5 is located in front of the support pipe 19, the torsion bar 51 can be easily attached and detached from behind the vehicle body.
- the auxiliary pipe 36 is provided with an axle support bracket 141 at an outer end portion in the vehicle width direction, and the bracket 144 supports the axle 11 rotatably.
- the structure for supporting the axle 11 is the same for the left rear wheel 3 and the right rear wheel 3, so only the structure for supporting the right rear wheel 3 will be described in detail with reference to FIG. I do.
- the bracket 14 for supporting the axle is composed of an upper bracket 14 2, which is welded to the sub-pipe 36 and extends downward and has a U-shaped cross section, and a connecting port 1 connected to the lower end of the upper bracket 14 2.
- the lower bracket 144 fixed by 43 and the bearing cylinder 144 welded to the lower bracket 144 are formed.
- the lower bracket 144 is formed with a notch 144a to be released downward, and is attached to the upper bracket 144 with the axle 11 facing the notch 144a.
- the bearing cylinder 144 supports the axle 11 on the inner periphery thereof through a bearing 144.
- the housing 144 of the expanding drum brake 144 is welded to the cylinder 144.
- the drum brakes 147 similarly brake the right rear wheel 3 and the left rear wheel 3.
- the axle 11 extends outward from the bearing cylinder 14 5 and the bearing 14 46 in the vehicle width direction, and the cylindrical shaft 15 1 is spline-fitted to the outer peripheral portion of the extended portion. ing.
- the hub 15 3 of the rear wheel 3 is rotatably supported on the cylindrical shaft 15 1 by a bearing 15 2.
- a one-way clutch 154 configured to transmit power only from the axle 11 to the hub 153 is interposed between the cylindrical shaft 153 and the hub 153.
- the rear wheel support structure having the one-way clutch 154 is applied to both of the two rear wheels 3, 3 so that the rear wheel 3, which is located on the outside, does not become resistance during turning. ing.
- the pair of transmission supporting pipes 13 1 extending forward from the sub pipe 36 has the plate-like brackets 12 6 and 12 27 welded to the front ends. These plate-like brackets 126 and 127 extend downward from the sub-pipe 36 and have a lower end to which the support shaft 125 of the transmission unit 121 is attached.
- An adjusting mechanism 161 for adjusting the position of the axle 11 in the front-rear direction corresponding to the length of the second chain 102 is provided at a portion where the support shaft 125 is mounted.
- the adjust mechanism 16 1 is a mechanism in which an adjust bolt 16 2 attached to a support shaft 12 5 is engaged with plate-like brackets 12 6, 12 27, and an adjust mechanism 16 1 on the right side of the vehicle body.
- the adjust bolt 16 2 of the vehicle is engaged with the rear end of the plate-shaped bracket 12 6, and the adjust bolt 16 2 of the left side of the vehicle body is engaged with the front end of the plate-shaped bracket 12 7.
- the upper ends of the two plate-like brackets 1 26 and 1 27 are connected to each other by a cross member 16 3 made of a square pipe.
- the cross member 16 3 is laid on the main pipe 35 so as to intersect with the main pipe 35, and is supported by the main pipe 35.
- a loading platform (not shown) is attached to the cross member 163 and the rear stay 164 provided to extend rearward to the auxiliary pipe 36.
- the plate-like bracket 1 26 on the right side of the vehicle body supports a chain tensioner 1 6 5 for applying tension to the first chain 101.
- the operating mechanism 1 66 of the transmission unit 121 is supported by the plate-shaped bracket 11 on the left side of the vehicle body.
- the operating mechanism 166 is connected to an operating element (not shown) provided on the steering handle 7 via a wire, and the transmission unit 122 is shifted by operating the operating element. ing. Even with the configuration described above, the same effect as when the first and second embodiments are adopted can be obtained.
- the electric auxiliary tricycle described in the third embodiment has a configuration in which the power unit 5 is mounted on the front frame 9, the front half of the electric auxiliary tricycle (the front frame 9 and the The power unit 5 etc.) has the same configuration as the first half of the existing electric assisted motorcycle. For this reason, it is possible to easily manufacture an electric assisted tricycle at low cost by diverting parts such as the power unit of the existing electric assisted motorcycle and the front part of the body frame.
- the oscillating tricycle according to the present invention is useful for an oscillating tricycle in which a rear frame having two rear wheels is connected to a front frame via a torsion bar. It is suitable for use in a rocking tricycle that travels using it.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00976283A EP1151912A1 (en) | 1999-11-16 | 2000-11-16 | Swing type tricycle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11-325156 | 1999-11-16 | ||
JP32515699 | 1999-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001036257A1 true WO2001036257A1 (fr) | 2001-05-25 |
Family
ID=18173657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/008077 WO2001036257A1 (fr) | 1999-11-16 | 2000-11-16 | Tricycle a mouvement oscillant |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1151912A1 (ja) |
CN (1) | CN1336882A (ja) |
WO (1) | WO2001036257A1 (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013510753A (ja) * | 2009-11-16 | 2013-03-28 | ボンバルディア トランスポーテイション ゲーエムベーハー | トーションバーアセンブリおよびその組立方法、特に鉄道車両アンチロールバー用のトーションバーアセンブリおよび組立方法 |
JP2013121755A (ja) * | 2011-12-09 | 2013-06-20 | Yamaha Motor Engineering Kk | 車両 |
JP2013121756A (ja) * | 2011-12-09 | 2013-06-20 | Yamaha Motor Engineering Kk | 車両 |
JP2013144506A (ja) * | 2012-01-16 | 2013-07-25 | Yamaha Motor Engineering Kk | 車両 |
JP2015054584A (ja) * | 2013-09-11 | 2015-03-23 | フランスベッド株式会社 | 三輪自転車の揺動装置 |
JP2020006709A (ja) * | 2018-07-03 | 2020-01-16 | ブリヂストンサイクル株式会社 | 三輪自転車 |
JP2020050044A (ja) * | 2018-09-25 | 2020-04-02 | パナソニックIpマネジメント株式会社 | 電動自転車 |
JP2020069985A (ja) * | 2018-11-02 | 2020-05-07 | 株式会社シマノ | 人力駆動車用制御装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202011103837U1 (de) * | 2011-07-29 | 2011-10-26 | Stefan Munding | Dreirad |
CN113799909A (zh) * | 2021-11-08 | 2021-12-17 | 宁波兴隆巨创机电科技有限公司 | 一种可摇摆的轴传动三轮车 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5235043A (en) * | 1975-09-12 | 1977-03-17 | Daihatsu Motor Co Ltd | Three wheel vehicle with forward tiltable front frame |
JPS5211974B2 (ja) * | 1973-06-18 | 1977-04-04 | ||
JPS579992B1 (ja) * | 1968-02-23 | 1982-02-24 | ||
JPH09156563A (ja) * | 1995-12-08 | 1997-06-17 | Yamaha Motor Co Ltd | 三輪自転車の揺動復元機構 |
JPH09207868A (ja) * | 1996-02-07 | 1997-08-12 | Mitsuba Corp | 電動モータ付き自転車 |
-
2000
- 2000-11-16 CN CN 00802790 patent/CN1336882A/zh active Pending
- 2000-11-16 WO PCT/JP2000/008077 patent/WO2001036257A1/ja not_active Application Discontinuation
- 2000-11-16 EP EP00976283A patent/EP1151912A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS579992B1 (ja) * | 1968-02-23 | 1982-02-24 | ||
JPS5211974B2 (ja) * | 1973-06-18 | 1977-04-04 | ||
JPS5235043A (en) * | 1975-09-12 | 1977-03-17 | Daihatsu Motor Co Ltd | Three wheel vehicle with forward tiltable front frame |
JPH09156563A (ja) * | 1995-12-08 | 1997-06-17 | Yamaha Motor Co Ltd | 三輪自転車の揺動復元機構 |
JPH09207868A (ja) * | 1996-02-07 | 1997-08-12 | Mitsuba Corp | 電動モータ付き自転車 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013510753A (ja) * | 2009-11-16 | 2013-03-28 | ボンバルディア トランスポーテイション ゲーエムベーハー | トーションバーアセンブリおよびその組立方法、特に鉄道車両アンチロールバー用のトーションバーアセンブリおよび組立方法 |
JP2013121755A (ja) * | 2011-12-09 | 2013-06-20 | Yamaha Motor Engineering Kk | 車両 |
JP2013121756A (ja) * | 2011-12-09 | 2013-06-20 | Yamaha Motor Engineering Kk | 車両 |
JP2013144506A (ja) * | 2012-01-16 | 2013-07-25 | Yamaha Motor Engineering Kk | 車両 |
JP2015054584A (ja) * | 2013-09-11 | 2015-03-23 | フランスベッド株式会社 | 三輪自転車の揺動装置 |
JP2020006709A (ja) * | 2018-07-03 | 2020-01-16 | ブリヂストンサイクル株式会社 | 三輪自転車 |
JP7038616B2 (ja) | 2018-07-03 | 2022-03-18 | ブリヂストンサイクル株式会社 | 三輪自転車 |
JP2020050044A (ja) * | 2018-09-25 | 2020-04-02 | パナソニックIpマネジメント株式会社 | 電動自転車 |
JP7142266B2 (ja) | 2018-09-25 | 2022-09-27 | パナソニックIpマネジメント株式会社 | 電動自転車 |
JP2020069985A (ja) * | 2018-11-02 | 2020-05-07 | 株式会社シマノ | 人力駆動車用制御装置 |
JP7123754B2 (ja) | 2018-11-02 | 2022-08-23 | 株式会社シマノ | 人力駆動車用制御装置 |
Also Published As
Publication number | Publication date |
---|---|
CN1336882A (zh) | 2002-02-20 |
EP1151912A1 (en) | 2001-11-07 |
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