WO2022191117A1 - 車両 - Google Patents
車両 Download PDFInfo
- Publication number
- WO2022191117A1 WO2022191117A1 PCT/JP2022/009659 JP2022009659W WO2022191117A1 WO 2022191117 A1 WO2022191117 A1 WO 2022191117A1 JP 2022009659 W JP2022009659 W JP 2022009659W WO 2022191117 A1 WO2022191117 A1 WO 2022191117A1
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- WO
- WIPO (PCT)
- Prior art keywords
- vehicle
- frame
- battery
- vehicle according
- wheel
- Prior art date
Links
- 230000004308 accommodation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 13
- 230000007246 mechanism Effects 0.000 description 10
- 230000005484 gravity Effects 0.000 description 9
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 210000002683 foot Anatomy 0.000 description 6
- 230000002452 interceptive effect Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 206010034719 Personality change Diseases 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
-
- 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
- B62J43/00—Arrangements of batteries
- B62J43/10—Arrangements of batteries for propulsion
-
- 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
- B62J7/00—Luggage carriers
-
- 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
- B62K15/00—Collapsible or foldable cycles
- B62K15/006—Collapsible or foldable cycles the frame being foldable
-
- 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
- B62K3/00—Bicycles
- B62K3/002—Bicycles without a seat, i.e. the rider operating the vehicle in a standing position, e.g. non-motorized scooters; non-motorized scooters with skis or runners
-
- 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
- B62K5/02—Tricycles
- B62K5/027—Motorcycles with three wheels
-
- 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
- B62K7/00—Freight- or passenger-carrying cycles
- B62K7/02—Frames
- B62K7/04—Frames having a carrying platform
-
- 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
- B62J9/00—Containers specially adapted for cycles, e.g. panniers or saddle bags
- B62J9/20—Containers specially adapted for cycles, e.g. panniers or saddle bags attached to the cycle as accessories
- B62J9/23—Containers specially adapted for cycles, e.g. panniers or saddle bags attached to the cycle as accessories above or alongside the rear wheel
-
- 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
- B62K15/00—Collapsible or foldable cycles
-
- 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
- B62K2204/00—Adaptations for driving cycles by electric motor
-
- 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 folding vehicle having front wheels and rear wheels.
- an electric three-wheeled vehicle having a single wheel arranged on one front and rear side and a pair of left and right wheels arranged on the other front and rear side is known (for example, see Patent Document 1).
- wheels are rotatably supported at the distal end portions of a pair of support mechanisms that are rotatably connected to each other via a support shaft, and the support mechanisms are provided between the support shaft and the wheels.
- a battery is supported.
- Patent Document 1 The vehicle described in Patent Document 1 is transported in a folded state and tilted. However, when the vehicle is transported, the moment due to the gravity of the battery tends to increase, and there is a problem in the transportability of the vehicle.
- One aspect of the present invention includes a front wheel and a rear wheel, a placing portion extending substantially horizontally between the front wheel and the rear wheel and on which a passenger's foot is placed, and rotatably supporting the front wheel,
- a first frame having a steering section disposed above the front wheels, a second frame that rotatably supports the rear wheels and a mounting section, and the first frame that rotates vertically with respect to the second frame.
- a connecting portion that is movably connected, and a battery arranged behind the mounting portion are provided.
- the vehicle can be easily transported in a folded state.
- FIG. 1 is a side view showing the overall configuration of a vehicle according to an embodiment of the invention
- FIG. 1 is a plan view showing the overall configuration of a vehicle according to an embodiment of the invention
- FIG. The top view which omits a part of FIG. 2 and shows it.
- Sectional drawing along the IV-IV line of FIG. 3 is a three-sided view of a battery mounted on a vehicle according to an embodiment of the present invention
- FIG. FIG. 2 is a diagram showing an example of operation when a battery is attached to and detached from the vehicle of FIG. 1; Sectional drawing along the VII-VII line of FIG. The figure which shows roughly the state which looked at the vehicle which concerns on embodiment of this invention from back.
- FIG. 7B is a diagram for explaining the operation of changing the attitude of the vehicle according to the embodiment of the present invention, and is a diagram showing the operation following FIG. 7A
- FIG. 7C is a diagram for explaining the operation of changing the attitude of the vehicle according to the embodiment of the present invention, and is a diagram showing the operation following FIG. 7B
- FIG. 7B is a diagram for explaining the operation of changing the posture of the vehicle according to the embodiment of the present invention, and is a diagram showing the operation following FIG. 7C
- FIG. 4 is a diagram for explaining the operation of removing the battery while the vehicle is in storage according to the embodiment of the present invention
- FIG. 4 is a diagram showing the operation during charging of the battery; The figure which shows the modification of FIG. The figure which shows the modification of FIG. The figure explaining the operation
- a vehicle according to an embodiment of the present invention is a three-wheeled vehicle having a single front wheel and a pair of left and right rear wheels, and is configured so that a user can ride it in a standing position.
- FIG. 1 and 2 are a side view and a plan view, respectively, showing the overall configuration of a vehicle 100 according to an embodiment of the present invention, showing the running posture of the vehicle 100 when the vehicle is in use, that is, the running posture.
- position which cannot run is called a non-running
- FIG. 1 also shows the state of use of the user PS (chain double-dashed line).
- the longitudinal direction (longitudinal direction), lateral direction (width direction), and vertical direction (height direction) of the vehicle 100 are defined as shown in the figure, and the configuration of each part will be described according to these definitions.
- FIG. 1 is a view of vehicle 100 viewed from the left
- FIG. 2 is a view of vehicle 100 viewed from above.
- vehicle 100 has front wheels 1 and rear wheels 2, and a frame FL that forms the frame of vehicle 100.
- the front wheel 1 has the same diameter as the rear wheel 2 . Note that the front wheel 1 may have a smaller diameter or a larger diameter than the rear wheel 2 .
- a frame FL has a front frame 10 and a rear frame 20 .
- the front frame 10 has a vertically extending vertical pipe 11 having a substantially rectangular cross section and an inclined frame 12 extending rearward from the rear surface of the lower end of the vertical pipe 11 .
- the vertical pipe 11 extends obliquely such that the upper end is located rearward from the lower end.
- the tilt frame 12 tilts forward with an upward slope (forward upward). More specifically, the slanted frame 12 extends so that the rear end is positioned below the upper end of the front wheel 1 and the front end is positioned above the upper end of the front wheel 1 . is joined to the rear surface of the vertical pipe 11 .
- a through hole having a substantially cylindrical cross section is formed vertically in the vertical pipe 11, and a handle shaft 13 having a substantially circular cross section is rotatably inserted into the through hole.
- a handle 14 is fixed to the upper end of the handle shaft 13 at its center in the left-right direction, and a front fork 15 is fixed to the lower end of the handle shaft 13 .
- the handle shaft 13 is supported so as to be able to move up and down (extend and contract) with respect to the vertical pipe 11 .
- a lock mechanism for fixing the height of the handle shaft 13 is provided at the upper end of the vertical pipe 11 .
- a rotating shaft 1 a of the front wheel 1 is rotatably supported by a pair of left and right front forks 15 .
- the front wheels 1 are steered by a turning operation (steering) of the steering wheel 14 .
- the handle 14 is a bar handle that extends substantially linearly in the left-right direction, and both left and right ends of the handle 14 are provided with grips 14a made of resin or rubber that are gripped by the user PS.
- a substantially arc-shaped front fender 16 is attached to the inside of the pair of left and right front forks 15 so as to cover the periphery of the front wheel 1 from above to behind the front wheel 1 .
- a travel motor 4 in-wheel motor
- a brake unit 5 inside the front wheel 1, a travel motor 4 (in-wheel motor) and a brake unit 5 are housed.
- the traveling motor 4 is arranged on the left side
- the brake unit 5 is arranged on the right side.
- Vehicle 100 is configured as an electric vehicle that travels by being driven by travel motor 4 .
- the brake unit 5 is configured, for example, as a drum brake unit that constitutes a drum brake.
- the rear wheels 2 are similarly provided with brake units. These brake units 5 are operated by operating a brake lever 14b provided in front of a grip 14a of the handle 14, and braking force is applied to the front wheels 1 and the rear wheels 2. As shown in FIG.
- the traveling motor 4 as an electric motor may be provided in the rear wheels 2 instead of the front wheels 1, or may be provided in both the front wheels 1 and the rear wheels 2. By providing the traveling motors for both the front wheels 1 and the rear wheels 2, the traction ability and hill-climbing ability of the vehicle 100 can be improved.
- the steering wheel 14 is provided with a starter switch for turning on/off the main power supply, a blinker switch for turning left or right, an accelerator lever for inputting a travel command, and the like, which can be operated by the user.
- the steering wheel 14 may be provided with a display section for displaying vehicle information such as remaining battery capacity and set vehicle speed.
- a pair of left and right winker lamps are provided that blink when a winker switch is operated.
- a headlight is provided at the upper end of the vertical pipe 11 .
- FIG. 3 is a plan view showing the overall configuration of vehicle 100 with step 30 and battery 40 omitted.
- the rear frame 20 includes a main frame 21 having a substantially rectangular or substantially circular cross section extending in the front-rear direction along the center line CL1, and a main frame 21 extending in the left-right direction across the main frame 21. and a pair of left and right support frames 24 extending in the left-right direction from the rear end of the main frame 21 . Note that these frames 21 to 24 are indicated by dotted lines in FIG.
- two recesses 21a are formed in the front and rear sides of the upper surface of the main frame 21 in the left-right direction, and the lateral frames 22 and 23 are fitted and joined to the recesses 21a.
- the lateral length of the lateral frame 23 is longer than the lateral length of the lateral frame 22 and shorter than the distance between the left and right rear wheels 2 .
- the upper surfaces of the lateral frames 22 and 23 are positioned on the same horizontal plane parallel to the road surface 101 ( FIG. 1 ) and above the upper surface of the main frame 21 .
- the top surfaces of the lateral frames 22 and 23 may be positioned on the same plane as the top surface of the main frame 21 .
- a pair of left and right support frames 24 protrude in the left and right direction from left and right side surfaces of the main frame 21 .
- a single support frame 24 can also be provided through the main frame 21 .
- FIG. 4 is a cross-sectional view showing the configuration of the mounting portion of the rear wheel 2, that is, a cross-sectional view taken along line IV-IV in FIG.
- a shaft 25 is attached to the tip of the support frame 24 .
- a wheel 2 a of the rear wheel 2 is rotatably supported on the shaft 25 via a pair of left and right bearings 26 .
- a substantially cylindrical collar 27 is interposed between the support frame 24 and the bearing 26 .
- a nut 28 is screwed onto the tip of the shaft 25 so as to constrain the position of the bearing 26 .
- the front frame 10 further has a base frame 17 behind the tilt frame 12 .
- the base frame 17 is a substantially rectangular plate-like member in plan view, and a step 30 is arranged behind the base frame 17 .
- the width (horizontal direction length) of the base frame 17 is substantially equal to the width of the lateral frame 22 .
- the front end of the base frame 17 is provided with a bracket 18 projecting upward and forward from the base frame 17 .
- a rear end portion of the tilt frame 12 is rotatably supported by a bracket 18 about a shaft portion 18a (axis line CL2) extending in the left-right direction. Accordingly, the vehicle 100 can be folded, and the vehicle 100 can be easily transported in a folded state (see FIG. 9D).
- the frame FL on the front side of the axis CL2, that is, the portion of the front frame 10 excluding the base frame 17 will be referred to as a first frame FL1.
- the bracket 18 is provided with a lock mechanism that prevents the tilt frame 12 from rotating about the axis CL2. Therefore, the vehicle 100 can be held in the traveling posture shown in FIG.
- the step 30 is supported by the second frame FL2. More specifically, as shown in FIGS. 1 and 2, a step (footrest) 30 is mounted on the upper surface of the horizontal frames 22 and 23.
- the step (footrest) 30 is a substantially rectangular plate extending in the front-rear direction and the left-right direction. be done.
- the step 30 is fixed to the horizontal frames 22 and 23 by welding or the like, so that both ends of the step 30 in the front-rear direction are supported by the horizontal frames 22 and 23 .
- the step 30 may also be mounted on the upper surface of the main frame 21 and supported by the main frame 21 and the lateral frames 22 and 23 .
- the step 30 constitutes a placing portion on which the user PS in a standing posture places both feet, and the upper surface (placing surface) of the step 30 is configured as a horizontal plane parallel to the road surface 101 .
- a pair of left and right rear fenders 34 are attached to the rear end of the step 30 .
- the rear fender 34 is formed in a substantially arc shape so as to cover the periphery of the rear wheel 2 from the front to the top and rear of the rear wheel 2 .
- the length from the right end surface of the right rear fender 34 to the left end surface of the left rear fender 34 is shorter than the length from the right end to the left end of the handle 14, and the maximum width of the vehicle 100 is defined by the handle 14. .
- a holder 41 for the battery 40 is arranged behind the step 30 .
- the holder 41 has a substantially box-like shape with an open front surface, and forms a storage space for the battery 40 therein. More specifically, the holder 41 has a bottom wall and a top wall facing each other and extending substantially horizontally, and a pair of left and right side walls and a rear wall standing between the side walls and the top wall. , the bottom wall is mounted and supported on the upper surface of the rear end of the main frame 21 and the upper surface of the support frame 24 .
- FIG. 5 is a trihedral view showing the configuration of the battery 40.
- the battery 40 is generally shaped like a box. More specifically, it is formed in a substantially flat shape with a length (width) in the horizontal direction that is longer than the length (height) in the vertical direction.
- a handle 42 that is operated when the battery 40 is attached or detached is provided at the front end of the battery 40, and a terminal 43 is provided at the rear end.
- FIG. 6 is a side view of the vehicle 100 in a running posture, showing the operation when the battery 40 is attached/detached (insertion/removal).
- the substantially box-shaped battery 40 is inserted into the holder 41 through the substantially rectangular opening 41a on the front surface, thereby supporting the battery 40 .
- the holder 41 is provided with a lock mechanism that holds the battery 40 in a housed state.
- An upper surface 41b (dotted line) of the bottom wall is formed substantially at the same height as the upper surface of the step 30. As shown in FIG.
- the battery 40 can be easily accommodated (inserted) into the holder 41 or easily removed (separated) from the holder 41 while the battery 40 is slid forward and backward along the upper surface of the step 30 as shown by the arrows in FIG. )be able to.
- a terminal is provided on the rear wall of the holder 41, and the terminal 43 of the battery 40 is connected to this terminal when the battery 40 is accommodated.
- the battery 40 is a secondary battery such as a lithium ion battery that stores electric power to be supplied to the traveling motor 4 . is connected to the traveling motor 4 of the Electric power supplied from the battery 40 to the travel motor 4 is controlled by a power control unit (not shown).
- the front frame 10 and the rear frame 20 are connected via the swinging portion 50 . That is, the base frame 17 provided at the rear end portion of the front frame 10 and the main frame 21 provided at the front end portion of the rear frame 20 are connected via the swing portion 50 so as to be capable of swinging in the left-right direction. be.
- the swinging portion 50 has a Neidhardt rubber spring 51 fixed to the bottom surface of the base frame 17 .
- FIG. 7 is a diagram (sectional view taken along line VII-VII in FIG. 1) showing a schematic configuration of the Neidhardt rubber spring 51 provided in the swinging portion 50.
- the Neidhardt rubber spring 51 is housed in a case 511 having a substantially rectangular frame shape in cross section and fixed to the bottom surface of the base frame 17 .
- a shaft 512 having a substantially cylindrical cross section is arranged integrally with the main frame 21 of the rear frame 20 and extending along the axis CL3.
- the front end portion of the main frame 21 may be configured to have a substantially cylindrical cross section and used as the shaft 512 .
- the Neidhardt rubber spring 51 includes a substantially diamond-shaped cam block 513 spline-connected to the shaft 512 so as to be rotatable integrally with the shaft 512 , and rubber rollers arranged to face concave surfaces of the cam block 513 . 514.
- FIG. 7 corresponds to the initial state of the swinging portion 50 before swinging.
- FIG. 8 is a view of the vehicle 100 viewed from the rear, corresponding to the initial state before rocking. Note that FIG. 8 simply shows the configuration of the vehicle 100 . As shown in FIG. 8, the vertical pipe 11 extends substantially perpendicularly to the road surface 101 in the initial state. The posture of the vehicle 100 in this case is called a reference posture.
- the user PS who gets into the vehicle 100 in a standing posture can easily turn the vehicle 100 in the left-right direction.
- the vehicle 100 turns left and right
- the user slightly bends the knees and ankles and tilts the upper body left and right.
- the vertical pipe 11 is swung together with the base frame 17 in a stable posture with both feet placed on the step 30 while the step 30 integrated with the rear frame 20 is kept horizontal, and the front wheel 1 is tilted left and right. be able to.
- the vehicle 100 can be smoothly turned, and the turning performance is improved.
- the Neidhardt rubber spring 51 is provided in the swinging portion 50, when the front frame 10 is swung left and right from the reference posture, a restoring force acts on the front frame 10, and the swinging of the front frame 10 is suppressed. can be well suppressed.
- the cam block 513 may be formed in a polygonal shape (for example, a triangular shape) instead of a square shape.
- a restoring force may be applied to the front frame 10 by an elastic member such as a coil spring instead of the Neidhardt rubber spring 51 .
- the configuration of the damper member is not limited to the Neidhardt rubber spring 51 . Furthermore, since the battery 40 is supported by the holder 41 placed on the main frame 21 and the support frame 24, which are non-oscillating members, the moment due to the gravity of the battery 40 does not act in the oscillating direction. It is possible to suppress the overturning of the vehicle 100 when it swings.
- the weight of the user in a standing posture acts on the step 30 (the center point of the load acting from the soles of the feet) is the ground contact point of the front wheel 1 and the pair of left and right rear wheels 2 in plan view. Located within the triangular area connecting the respective ground points. As a result, the user can get into the vehicle 100 in a stable posture during both running and stopping. Since the heavy battery 40 is arranged between the left and right rear wheels 2, the center of gravity of the vehicle 100 is lowered, and the parking posture becomes more stable.
- the first frame FL1 is foldably provided with respect to the second frame FL2 about the shaft portion 18a (axis line CL2) of the bracket 18 of the front frame 10.
- 9A to 9D are diagrams showing examples of attitude changes from the running attitude of the vehicle 100.
- FIG. 9A to 9C correspond to the directions shown in FIGS. 1 and 2, respectively.
- the folded posture is included in the non-running posture of vehicle 100 .
- FIG. 9B the front wheel 1 is lifted upward with the rear wheel 2 as a fulcrum.
- FIG. 9C the main frame 21 is raised and the vehicle 100 can be raised.
- the pair of left and right rear wheels 2 and the pair of left and right protrusions 141 provided on the handle 14 come into contact with the road surface 101 .
- a handle 19 is provided on the bracket 18 so as to be rotatable coaxially with the shaft portion 18a.
- FIG. 9D When transporting the vehicle 100 from the state of FIG. 9C, the handle 19 is rotated upward, and the user PS grips the handle 19, as indicated by the arrow C1 in FIG. 9C.
- FIG. 9D the vehicle 100 is tilted forward with the rear wheels 2 as fulcrums. Accordingly, the vehicle 100 can be easily transported while rolling the rear wheels 2 on the road surface 101 .
- the heavy battery 40 is arranged below the step 30, more specifically between the left and right rear wheels 2, the center of gravity position P1 of the vehicle 100 is low and the center of gravity position P1 is located at the rear wheels 2 located vertically above the grounding point P0. Therefore, the moment of the vehicle 100 with the ground contact point P0 as a fulcrum is reduced, and the vehicle 100 can be supported with a small force during transportation, thereby improving the transportability of the vehicle 100.
- the handle 14 is in contact with the holder 41 in the transport posture of FIG. 9D. Therefore, it is possible to prevent the battery 40 from being damaged by a collision with an obstacle.
- the battery 40 In the carrying posture, the battery 40 is in an upright state, and the opening 41a of the holder 41 faces upward. Therefore, even if the vehicle 100 rattles during transportation due to unevenness of the road surface 101 or the like, the battery 40 can be prevented from falling off from the holder 41 .
- the terminal 43 positioned at the lower end of the battery 40 is connected to the terminal of the holder 41 , so the gravity of the battery 40 acts on the terminal 43 . As a result, the terminals are stably connected to each other, and wear of the terminals can be suppressed.
- FIG. 10 is a diagram showing an example of the attitude of the vehicle 100 during storage.
- the vehicle 100 is stored in an upright posture.
- the handle 42 of the battery 40 is grasped, and the battery 40 is lifted and removed from the holder 41 as indicated by arrow A1 in FIG.
- battery 40 is connected to charger 45 outside vehicle 100 and charged. Note that the battery 40 may be charged while being mounted on the vehicle 100 .
- a loading platform can be provided in the vehicle 100 according to the present embodiment.
- 12 and 13 are a side view and a plan view showing the overall configuration of vehicle 100 having loading platform 60.
- FIG. As shown in FIGS. 12 and 13 , a plate 61 having a substantially rectangular shape in a plan view is fixed to the upper surface of the holder 41 , and the loading platform 60 is mounted on the plate 61 .
- the loading platform 60 has, for example, a grid-like front surface, rear surface, and left and right side surfaces, and is open at the top.
- a load 102 (dotted line in FIG. 12) is accommodated in the loading platform 60 through this opening.
- the loading platform 60 is rotatably provided at the front end portion of the plate 61 through a hinge portion 61a extending in the left-right direction.
- a locking mechanism may be provided on the hinge portion 61 a or the plate 61 of the cargo bed 60 .
- FIG. 14A to 14C are diagrams showing an example of a posture change from the running posture of the vehicle 100 having the loading platform 60.
- FIG. 14A to 14C correspond to the directions shown in FIGS. 12 and 13, respectively.
- the lock mechanism of the handle shaft 13 is released and the handle shaft 13 is retracted to the maximum extent within the vertical pipe 11 as indicated by the arrow A1 in FIG. 14A.
- the hinge portion 61a or the plate 61 has a lock mechanism
- the loading platform 60 is rotated forward with the hinge portion 61a as a fulcrum, as indicated by an arrow A3.
- the lock mechanism of the bracket 18 is released, and the first frame FL1 is rotated rearward about the shaft portion 18a (axis line CL2) with respect to the second frame FL2 as indicated by arrow A2.
- the vehicle 100 is folded with the loading platform 60 arranged above the step 30.
- the handle 14 abuts on the upper surface of the upper wall of the holder 41 .
- the vertical pipe 11 and the main frame 21 are substantially parallel, and the battery 40 is arranged between the front and rear frames 10 and 20 .
- front wheel 1 is lifted upward with rear wheel 2 as a fulcrum.
- FIG. 14C the main frame 21 is raised and the vehicle 100 can be raised.
- the handle 19 is gripped and the vehicle 100 is transported.
- the vehicle 100 includes a front wheel 1 and a rear wheel 2, a step 30 extending substantially horizontally between the front wheel 1 and the rear wheel 2, on which a passenger's feet are placed, and a front wheel.
- a first frame FL1 rotatably supporting the front wheel 1 and having a handle 14 disposed above the front wheel 1; a second frame FL2 rotatably supporting the rear wheel 2 and supporting a step 30;
- a shaft portion 18a of a bracket 18 that connects the first frame FL1 to the second frame FL2 so as to be vertically rotatable, and a battery 40 arranged behind the step 30 (FIG. 1). Accordingly, when the vehicle 100 is folded and transported, the battery 40 is positioned near the rear wheels 2 . Therefore, when the vehicle 100 is transported, the moment acting on the vehicle 100 due to the gravity of the battery 40 is small, and the vehicle 100 can be easily transported.
- the battery 40 is arranged between the pair of left and right rear wheels 2 (Fig. 2). Thereby, the battery 40 can be protected from collision with an obstacle during transportation of the vehicle 100 .
- Vehicle 100 further includes a holder 41 that holds battery 40 (FIG. 1).
- the holder 41 is a mounting surface on which the battery 40 is mounted, and has a mounting surface formed substantially on the same plane as the upper surface of the step 30, that is, an upper surface 41b of the holder 41 (FIG. 6). Accordingly, after the battery 40 is mounted on the step 30, it can be inserted into the holder 41 while being slid on the step 30, thus facilitating attachment and detachment of the battery 40 to and from the holder 41.
- the handle 14 is configured to contact the holder 41 when the first frame FL1 is rotated toward the second frame FL2 via the shaft portion 18a (FIG. 9B). Accordingly, the battery 40 is surrounded by the handle 14 when the vehicle 100 is transported, and the battery 40 can be protected from obstacles.
- the holder 41 forms an accommodation space in which the battery 40 is accommodated through the front opening 41a.
- the opening 41a faces upward when the vehicle 100 is being transported, it is possible to prevent the battery 40 from falling off.
- the gravity of the battery 40 acts in the direction of connecting the terminal 43 of the battery 40 and the terminal of the holder 41, so that the connection portion of the terminal 43 is prevented from sliding, and the terminal 43 is worn. can be suppressed.
- the vehicle 100 further includes a loading platform 60 arranged above the holder 41 (FIG. 12). Accordingly, the luggage 102 can be easily loaded on the vehicle 100 without interfering with the insertion and removal of the battery 40 .
- the loading platform 60 is rotatably supported by the holder 41 via a hinge portion 61a at the front end of the holder 41 (Fig. 14A). As a result, the vehicle 100 can be folded without interfering with the cargo bed 60 while the cargo bed 60 is rotated (FIG. 14B).
- the vehicle 100 further includes a swinging portion 50 that supports the first frame FL1 so as to swing in the left-right direction with respect to the step 30 (FIG. 8).
- the battery 40 which is a heavy object, is arranged behind the step 30 in a non-swinging state. Also, the center of gravity during parking is lowered, and the vehicle 100 is less likely to overturn.
- the first frame FL1 is configured on the front side of the bracket 18 integral with the base frame 17, but the front wheel 1 is rotatably supported, and the handle 14 (steering section) is arranged above the front wheel 1.
- the configuration of the first frame is not limited to that described above, as long as it is configured to have
- the second frame FL2 is configured on the rear side of the bracket 18. However, if the rear wheel 2 is rotatably supported and the step 30 is supported, the configuration of the second frame is as described above. is not limited to
- the step 30 as the placement section is configured with a single plate member, but the placement section may be configured with a plurality of plate members.
- the first frame FL1 is vertically rotatably connected to the second frame FL2 via the shaft portion 18a of the bracket 18, but the structure of the connecting portion is not limited to that described above. .
- a connecting portion may be provided on the rear frame 20 .
- the battery 40 is arranged between the left and right rear wheels 2 in the above embodiment, it may be arranged at another position as long as it is arranged behind the step.
- the rocking portion 50 is arranged in front of the step 30 , but the rocking portion 50 may be arranged behind the front end of the step 30 .
- the holder 41 for the battery 40 is configured to have the opening 41a on the front surface, but the configuration of the holding portion that holds the battery is not limited to that described above.
- the vehicle 100 is configured to have a single front wheel 1 and a pair of left and right rear wheels 2, but the single front wheel and single rear wheel, or a pair of front wheels and a single rear wheel.
- the vehicle can also be configured to have
- a single front wheel includes, for example, a pair of front wheels provided at one location, that is, a pair of front wheels.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
- Handcart (AREA)
Abstract
Description
(1)本実施形態に係る車両100は、前輪1および後輪2と、前輪1と後輪2との間に略水平に延設され、乗員の足が載置されるステップ30と、前輪1を回転可能に支持するとともに、前輪1の上方に配置されたハンドル14を有する第1フレームFL1と、後輪2を回転可能に支持するとともに、ステップ30を支持する第2フレームFL2と、第1フレームFL1を第2フレームFL2に対し上下方向に回動可能に連結するブラケット18の軸部18aと、ステップ30の後方に配置されたバッテリ40と、を備える(図1)。これにより、車両100を折り畳んで運搬するとき、バッテリ40は後輪2の近傍に位置する。このため、車両100を運搬する際に、バッテリ40の重力による車両100に作用するモーメントは小さく、車両100を容易に運搬することができる。
Claims (8)
- 前輪および後輪と、
前記前輪と前記後輪との間に略水平に延設され、乗員の足が載置される載置部と、
前記前輪を回転可能に支持するとともに、前記前輪の上方に配置された操舵部を有する第1フレームと、
前記後輪を回転可能に支持するとともに、前記載置部を支持する第2フレームと、
前記第1フレームを前記第2フレームに対し上下方向に回動可能に連結する連結部と、
前記載置部の後方に配置されたバッテリと、を備えることを特徴とする車両。 - 請求項1に記載の車両において、
前記後輪は、左右一対の後輪であり、
前記バッテリは、前記左右一対の後輪の間に配置されることを特徴とする車両。 - 請求項1または2に記載の車両において、
前記バッテリを保持する保持部をさらに備え、
前記保持部は、前記バッテリが搭載される載置面であり、前記載置部の上面と略同一面上に形成された載置面を有することを特徴とする車両。 - 請求項3に記載の車両において、
前記操舵部は、前記連結部を介して前記第1フレームが前記第2フレームに向けて回動されたとき、前記保持部に当接するように構成されることを特徴とする車両。 - 請求項3または4に記載の車両において、
前記保持部は、前面の開口を介して前記バッテリが収容される収容空間を形成することを特徴とする車両。 - 請求項3~5のいずれか1項に記載の車両において、
前記保持部の上方に配置された荷台をさらに備えることを特徴とする車両。 - 請求項6に記載の車両において、
前記荷台は、前記保持部の前端部に回転可能に支持されることを特徴とする車両。 - 請求項1~7のいずれか1項に記載の車両において、
前記載置部に対し前記第1フレームを左右方向に揺動可能に支持する揺動部をさらに備えることを特徴とする車両。
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CN202280020006.8A CN117015498A (zh) | 2021-03-12 | 2022-03-07 | 车辆 |
JP2023505538A JP7515003B2 (ja) | 2021-03-12 | 2022-03-07 | 車両 |
EP22767073.4A EP4306397A4 (en) | 2021-03-12 | 2022-03-07 | VEHICLE |
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JP2021-040729 | 2021-03-12 | ||
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US20230391416A1 (en) * | 2020-10-27 | 2023-12-07 | Striemo Inc. | Vehicle |
US12037070B2 (en) * | 2020-10-27 | 2024-07-16 | Striemo Inc. | Foldable vehicle |
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CN117015498A (zh) | 2023-11-07 |
EP4306397A1 (en) | 2024-01-17 |
EP4306397A4 (en) | 2024-05-01 |
JP7515003B2 (ja) | 2024-07-11 |
JPWO2022191117A1 (ja) | 2022-09-15 |
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