WO1998000086A1 - Fauteuil roulant a moteur - Google Patents
Fauteuil roulant a moteur Download PDFInfo
- Publication number
- WO1998000086A1 WO1998000086A1 PCT/JP1997/002231 JP9702231W WO9800086A1 WO 1998000086 A1 WO1998000086 A1 WO 1998000086A1 JP 9702231 W JP9702231 W JP 9702231W WO 9800086 A1 WO9800086 A1 WO 9800086A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electric
- electric wheelchair
- wheelchair according
- unit
- battery
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
- A61G5/041—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
- A61G5/045—Rear wheel drive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
- A61G5/048—Power-assistance activated by pushing on hand rim or on handlebar
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1054—Large wheels, e.g. higher than the seat portion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1089—Anti-tip devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0046—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the vehicle body, i.e. moving independently from the wheel axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0061—Disposition of motor in, or adjacent to, traction wheel the motor axle being parallel to the wheel axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/40—Electrical machine applications
- B60L2220/44—Wheel Hub motors, i.e. integrated in the wheel hub
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/40—Electrical machine applications
- B60L2220/46—Wheel motors, i.e. motor connected to only one wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/80—Other vehicles not covered by groups B60Y2200/10 - B60Y2200/60
- B60Y2200/84—Wheelchairs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S180/00—Motor vehicles
- Y10S180/907—Motorized wheelchairs
Definitions
- the present invention relates to an electric wheelchair that travels using electric power from an electric unit as a driving force or an auxiliary power.
- the electric wheelchair includes a manual electric wheelchair and an electric wheelchair operated by a joystick.
- the present applicant has an electric unit on each of left and right wheels, and supplies power to each electric unit from a battery provided on one of the electric units via electric wiring and a main switch.
- the one that adopts the method was proposed earlier (in Japanese Patent Application No. 7-172086, Japanese Patent Application No. 7-273798).
- an object of the present invention is to provide an electric wheelchair that can simplify the structure and facilitate the attachment and detachment of wheels by minimizing electric wiring and associated components. It is to be.
- the electric wiring for supplying power to the electric unit provided on the other wheel becomes longer, and it is necessary to devise a way to handle it.
- the length of the electric wiring differs depending on the mounting position of the battery and the size and type of the wheelchair, and it should be set to the optimal length according to each.However, the electric unit and the electric wiring are common. In such cases, the length of the electrical wiring is usually set to be longer with some allowance so that all cases can be dealt with. This may lead to loosening.
- an object of the present invention is to provide an electric wheelchair capable of absorbing slack in the length direction of electric wiring and preventing occurrence of electric trouble due to water.
- the invention according to claim 1 includes an electric motor unit including an electric motor and a control unit for each of the left and right wheels, and a battery provided on one electric unit side.
- An electric wheelchair adopting a method of supplying power to each of the electric units via an electric wiring and a main switch, wherein the main switch is integrally incorporated in at least one of the electric units.
- the invention according to claim 2 is characterized in that, in the invention according to claim 1, a switch lever for driving the main switch is integrated into at least an electric unit on a side where a battery is provided.
- the invention described in claim 3 is characterized in that, in the invention described in claim 2, the switch lever is configured such that its length and direction force s can be adjusted.
- a display unit is provided at a tip of the switch lever.
- the invention described in claim 5 is characterized in that, in the invention described in claim 1, at least a display unit is provided inside a tire of one of the wheels.
- the invention described in claim 6 is the invention according to claim 4 or 5, wherein the display unit is configured to include an LED.
- the invention according to claim 7 is the invention according to claim 1, wherein the spokes supporting the hand rim for turning each IS wheel are curved inward in the vehicle width direction from the hand rim.
- the invention according to claim 8 is the invention according to claim 1, wherein each of the wheels is detachably attached to a vehicle body frame, and the wheels are located at positions radially separated from an axle of the electric unit.
- the protruding projection is received by the vehicle body frame via an elastic body.
- the invention according to claim 9 is the invention according to claim 8, wherein A cylindrical pin is projected from the electric unit, and large and small holes of different diameters are formed concentrically in a metal mounting case attached to the vehicle body frame. A cylindrical rubber damper substantially equal to the outer diameter of the pin is inserted and the diameter of the small-diameter circular hole is set to be larger than the inner diameter of the rubber damper. It is characterized by being inserted through a circular hole.
- a tenth aspect of the present invention is the invention according to the eighth aspect of the invention, wherein a cylindrical pin is projected from the electric unit, and the metal unit is attached to the vehicle body frame.
- a long hole of large and small diameters is formed in the case in a direction substantially perpendicular to the direction of action of the driving reaction force of the electric unit, and the inside diameter of the large hole is approximately equal to the outside diameter of the pin.
- a cylindrical rubber damper is fitted and inserted, and the pin is inserted through the rubber damper and a small-diameter long hole of the mounting case.
- the invention according to claim 11 is the invention according to claim 1, wherein a storage space is formed below a battery holder in which the battery is mounted, and a part of the electric wiring is formed in the storage space. And adjusting the length of the electric wiring.
- the invention according to claim 12 is the invention according to claim 11, wherein a force braid for connecting the electric wires is fixedly supported on an upper portion of the storage space.
- the invention according to claim 13 is the invention according to claim 11 or 12, wherein a fixing means of the electric wiring is provided at an introduction portion of the electric wiring into the storage space. It is characterized by having been provided.
- the electric unit including the electric motor and its control means and the battery are provided on the wheel side, and the main switch is also integrated into at least one of the electric units.
- the electric wiring connecting the main switch and the electric unit does not appear on the body frame side, and therefore, the electric wiring and the The accompanying parts are kept to a minimum, simplifying the structure and improving the detachability of the wheels.
- the switch lever for driving the main switch is integrated with at least the electric unit on the side where the battery is provided, it is frequently attached and detached.
- the electric unit on the side and the wheels are made compact, and the detaching work force s thereof is increased.
- the display unit for providing the occupant with information such as the remaining amount of the battery and the occurrence of an abnormality is also provided on the wheels together with the main switch and the switch lever. Simplification and further improvement of wheel detachability.
- the spoke supporting the hand rim is curved inward in the vehicle width direction from the hand rim, so that the hand rim does not get caught on the occupant's finger when the hand rim is turned. Is enhanced.
- the driving reaction force of the electric unit is received by the body frame due to the deformation of the elastic body, and the shock is absorbed and reduced by the damper effect of the elastic body. Therefore, generation of unpleasant noise such as an unpleasant metal sound in the detent portion can be prevented. Then, by fitting the protrusions provided on the electric unit to the elastic body, the wheels provided with the electric unit can be easily attached and detached without play.
- the protrusion protruding from the electric unit engages with the elongated hole on the vehicle body frame side
- the right and left wheels can be mounted on the vehicle even if the precision of the parts is rough. Can be easily attached to the body frame.
- a long hole is formed on the vehicle body frame side in a direction substantially perpendicular to the direction of action of the driving reaction force of the electric unit. Therefore, the elongated hole and the projection are closely engaged in the direction of action of the driving reaction force, and the rotation of the electric unit is reliably prevented.
- the storage space formed below the battery functions as a space for drawing in the electric wiring, and the slack of the longer electric wiring is stored in the storage space.
- the external appearance of the electric wheelchair is enhanced, and various faults due to loose electrical wiring are eliminated.
- the coupler is stored in the storage space and fixed and held at the upper portion of the storage space, the waterproofness of the cover is ensured, and the occurrence of electric trouble due to water is reliably prevented. It is.
- the electric wiring drawn into the storage space is not returned to the outside of the storage space, and the slack of the electric wiring is reliably absorbed in the storage space.
- FIG. 1 is a side view of the electric wheelchair according to the present invention
- FIG. 2 is a plan view of the electric wheelchair
- FIG. 3 is a rear view of the electric wheelchair
- FIG. Fig. 5 is an A-A cross-sectional view of Fig. 4 with the wheel cap removed
- Fig. 6 is an inner side view of the right wheel of the electric wheelchair
- Fig. 7 is Fig. 6 B-B line enlarged sectional view
- Fig. 8 is an enlarged sectional view taken along the line C-C in Fig. 6
- Fig. 9 is a sectional view taken along the line D-D in Fig. 8
- Fig. 10 is the electric wheelchair.
- FIG. 11 is a detailed enlarged view of a part of the switch lever of the right wheel
- Fig. 12 is an inside view of a part of the battery box of the right wheel
- Fig. 13 is the book.
- FIG. 14 is an electric connection diagram of the electric wheelchair according to the present invention
- FIG. 14 and FIG. 15 are inner side views of the right wheel showing a use mode of the switch lever
- FIG. Fig. 17 is a sectional view taken along line E-E of Fig. 16
- Fig. 17 is a sectional view taken along line FF of Fig. 16, and Fig. It is a partial side view showing another embodiment of a switch lever.
- the electric wheelchair 1 is a manually-operated electric wheelchair in which auxiliary power corresponding to the magnitude of human power applied to the left and right wheels 2 is applied to each wheel 2 and driven to rotate.
- This is constructed by attaching and detaching wheels 2 to the left and right sides of the body of an existing folding manual wheelchair, and the front and rear portions of the pipe frame-shaped body frame 3 are movable by a pair of left and right casters 4 and wheels 2. Supported.
- a cloth seat 5 on which an occupant sits is provided at the center of the body frame 3.
- the seat 5 is shown with a detachable cushion body placed on a cloth sheet.
- the body frame 3 has a pair of front and rear cross members 3a, and the two X-shaped cross members 3a are pivotally connected at their intersections by a shaft 6. The structure is such that the vehicle body can be folded about the axis 6.
- a pair of left and right back pipes 3 b is provided upright at the rear of the body frame 3, and the upper end of each back pipe 3 b is bent rearward, and the bent portion has a grip for an assistant. 7 is installed.
- a wheelie bar 8 is attached to the inside of each wheel 2 so as to extend obliquely downward toward the rear of the vehicle body (to the right in FIG. 1).
- a pair of left and right elbow pipes 3c extending horizontally from the intermediate height position of the back pipe 3b of the body frame 3 to the front of the body is bent at a substantially right angle at the front end 3 ⁇ 4 and extends vertically downward.
- the caster 4 is rotatably supported at the lower end.
- the front portions of a pair of left and right seat pipes 3d disposed below the elbow pipe 3c extend obliquely downward toward the front of the vehicle body, and have extended right and left ends. —Twin step 9 power installed.
- each of the pair of left and right wheels 2 is rotatable via a ball bearing 12 on an axle 11 supported by an axle mounting boss 10 welded to a vehicle body frame 3.
- a ring-shaped hand rim 13 is provided on the outside of each wheel 2 so that the occupant can turn the wheel by hand.
- the hand rim 13 is attached to a disk-shaped disk 14 rotatably supported by a boss formed integrally with the hub 2a of the wheel 2 by bolts 16 via three spokes 15. Therefore, the hand rim 13 can rotate independently with respect to the wheel 2.
- FIG. 1 In the present embodiment, as shown in FIG.
- a seal ring 17 made of an elastic material is interposed between the hub 2a of the wheel 2 and the disk 14, and the disk 14 Is covered by a wheel cap 18 attached to it.
- the seal ring 17 also functions as a friction damper for suppressing circumferential vibration due to the inertia of the disk 14 together with the seal function.
- each spoke 15 is curved more inward in the vehicle width direction than the hand rim 13, when the hand rim is rotated, the bow I is not hooked on the occupant's finger, so that the hand rim 13 Operability is enhanced.
- the hand rim 13 is elastically supported on the hub 2a at all three locations by a spring 19 so that the hand rim 13 can rotate relative to the wheel 2 in both directions. Have been.
- the outer end face of the hub 2a shows the magnitude and direction of the human force applied to the hand rim 13 according to the relative rotation amount and the relative rotation direction between the wheel 2 (hub 2a) and the hand rim 13 (disk 14).
- a potentiometer 20 for detection is mounted so as to be position-adjustable, and one end of a lever 21 is connected to an end of the input shaft of the potentiometer 20.
- a disc-shaped fixed plate 23 is connected to the axle 11 on the inner side in the vehicle width direction of each hub 2 a of the pair of left and right wheels 2.
- the fixed plate 23 is provided with a controller 24 constituting control means and a mi3 ⁇ 4motor 25 as a drive source.
- a space surrounded by the self-fixing plate 23 is formed inside each wheel 2, and the space is formed by the ring-shaped partition wall 26 and the chambers S 1 and S
- the chamber S1 houses the controller 24 and a rotary lance 27 as a signal transmission means.
- the rotation translator 27 performs signal transmission between the controller 24 and the potentiometer 20 described above.
- the power transmission means connects the belt transmission mechanism G 1 and the gears G 2 and G 3. It is comprised including.
- Human power detecting means constituted by the spring 19 ⁇ ⁇ ⁇ ⁇ ⁇ potentiometer 20 described above, signal transmitting means constituted by the rotary transformer 27, control means constituted by the controller 24, the electric motor 25 and the belt transmission mechanism G 1 Power transmission means including gears G 2, G 3, etc .; which constitutes an electric unit.
- This electric unit is composed of a hub 2 a for each wheel 2 and an axle 11 for a fixed plate 23. A pair of right and left wheels 2 with the electric unit incorporated in the hub 2a is detachably attached to the vehicle body as described above. Attached to. Note that each wheel 2 can be easily pulled out and removed together with the axle 11 by operating the lever 100 shown in FIG.
- the detent structure of the electric unit will be described with reference to FIGS.
- a metal cylindrical pin 65 is screwed around the outer periphery of the fixed plate 23 of the electric unit, and the pin 65 is inward in the vehicle width direction. It protrudes toward.
- a metal mounting case 66 which is divided into two, is attached to the body frame 3 by a bolt 67 at a position away from the axle 11, and the body frame 3
- a metal collar (spacer) 68 is interposed between the mounting case 66 and the mounting case 68.
- the mounting case 66 has large and small long holes that are long in a direction (radial direction) substantially perpendicular to the direction of action of the drive torque generated by the electric unit (circumferential direction around the axle 11). 6 6b (see Fig. 9) is formed.
- the outer shape of the one long hole 66 a is the same as that of the long hole 66 a, and the cylindrical shape has a long hole 69 a having a width substantially equal to the outer diameter of the pin 65. Rubber dampers
- the rubber damper 69 is prevented from falling out of the long hole 66 a by a ring-shaped aluminum cap 70 fitted into the circular hole 66 c of the mounting case 66 and fixed with force. It is planned. And the cap 70 also has a long hole
- the outer shape of the cap 70 is a perfect circle, and the cap 70 is a circular hole 6 in the mounting case 6 6 so that it is aligned with the elongated hole 70 b It is positioned by any positioning means with respect to 6c. Further, a taper surface 70a that extends outward in the vehicle width direction is formed on the outer end surface of the cap 70. Further, in the eighth, reference numeral 71 denotes a positioning plate (FIGS. 5 and 6) for positioning the mounting case 66 with respect to the body frame 3, and one end of the positioning plate 71 is supported coaxially with the axle 11. Have been.
- the protrusions protruding from the fixing plate 23 are provided. 8 is guided by the tapered surface 70a of the cap 70 on the side of the mounting case 66 as shown in FIG. 8, and passes through the long hole 70b to form the long hole 69a of the rubber damper 69.
- the fixing plate 23 is inserted into the elongated hole 66b, thereby stopping the rotation of the fixing plate 23.
- the width of the long hole 69 a of the rubber damper 69 is set substantially equal to the outer diameter of the bin 65, the pin 65 is fitted to the rubber damper 69, and Due to the elastic supporting action of the dampers 69, the wheels 2 can be smoothly mounted without any play.
- the width of the long hole 7 O b of the cap 70 and the long hole 66 b of the mounting case 66 is set to be larger than the width of the long hole 69 a of the rubber damper 69.
- a predetermined gap is formed between the long hole 70 b of the cap 70 and the long hole 66 b of the mounting case 66.
- the pin 65 when attaching the wheel 2 to the vehicle body, the pin 65 must be inserted through the long hole 70 b of the cap 70, the rubber damper 69 and the long hole 66 b of the mounting case 66.
- the power bin 65 can easily attach the wheel 2 without any backlash, and the power bin 65 can engage with the cap 70, the rubber damper 69 and the mounting case 66 in a long hole. Therefore, the wheels 2 can be easily attached to the body frame 3 even if the precision of the parts is rough. That is, the mounting case 66, the rubber damper 69, and the cap 70 have elongated holes 66b, 69a, which are long in the radial direction (substantially perpendicular to the direction of the driving reaction force of the electric unit).
- the pin 65 is engaged with the slot 66b, 69a and 70b, so the pin 65 can be attached even if the accuracy of various parts is rough.
- the case can be easily engaged with the case 66 to form a rotation preventing structure for the electric unit.
- the pin 65 engages with the elongated holes 66b, 69a and 70b almost in the direction of action (circumferential direction) of the driving reaction force, the electric unit is securely prevented from rotating. You.
- the main switch 28 (see FIG. 7) is fixed to the fixing plate 23 and built in the hub 2 a of the right wheel 2.
- the main switch 28 is turned on by a turning operation of the switch lever 29 shown in FIGS. 6, 7, and 11.
- details of the configuration of the switch lever 29 will be described with reference to FIG.
- the switch lever 29 is rotatably provided facing the vehicle body side of the fixed plate 23 of the right wheel 2.
- the switch lever 29 is a neutral arm 3 rotatably mounted on the axle 11. 0 and a lever 32 attached to the tip of the neutral arm 30 by a bolt 31.
- the above-mentioned neutral arm 30 is inserted into a U-shaped lever stop 34 connected to the fixing plate 23 by bolts 33, and its rotation angle is regulated. Partially formed gear 30a force s.
- the gear 30a is connected to a sector gear 35 for driving the main switch 28 (see FIG. 7), and the sector gear 35 is connected to the main switch via a shaft 90.
- a pin 36 projects from the tip of the neutral arm 30, and this pin 36 is engaged with a guide spring 37 attached to the fixed plate 23. In the center of the guide spring 37, there is a convex part on which the pin 36 must ride.
- the self-powered lever 32 is a solid round rod-shaped first lever 32a attached to the end of the neutral arm 30 and slides around the outer periphery of the first lever 32a. It comprises a round pipe-shaped second lever 32b which is freely fitted and held, and the length and direction of the lever 32 are adjustable.
- a knob 40 is attached to the outer periphery of the tip of the lever 32 (second lever 32b), and a pilot lamp 4 composed of an LED (light emitting diode) is provided in the tip of the lever 32. 1 is embedded. After the lead wire 42 coming out of the pilot lamp 41 comes out of the lever 32, it is held by the holders 43, 44 and wired with some slack, and finally the controller 24 ( (See Fig. 5).
- the pilot lamp 41 when the main switch 28 is set to 0 N, the pilot lamp 41 is turned on for a predetermined time and then turned off, and blinks when the remaining amount of a battery 46 described later becomes low, and when an abnormality occurs, If the wheelchair 1 stops due to a running out of battery or the battery, etc., it lights up to notify the occupant.
- the main switch 28 is turned off. Specifically, when the switch lever 29 is in the position shown by the solid line in FIG. 11, the main switch 28 is in the ON state, and from this ON state, the switch lever 29 is moved by the chain line in FIG. When the main switch 28 is turned downward to the position shown, the main switch 28 is turned off. When the switch lever 29 is rotated, the pin 36 is connected to the guide spring. By passing over the convex portion 37a formed on 37, a click feeling is given to the rotation operation of the switch lever 29, and the position of the switch lever 29 is changed to a solid line or a chain line in FIG. It is held at the position indicated by.
- a battery 46 is detachably provided on the right wheel 2 side. That is, as shown in FIG. 5, a bracket is attached to the fixing plate 23 of the right wheel 2.
- connection terminal 49a is connected to the battery holder 49, and a wire harness 45 is derived from the connection terminal 49a as shown in FIG.
- wire harness 51 is electrically connected to the electric unit of the right wheel 2 through the grommet 101, and is electrically connected to each other by 52a and 52b.
- the other end of the wire harness 51 is electrically connected to the electric unit of the left wheel 2 as shown in FIG.
- a coupler 53 is attached to the fixing plate 23 of the left wheel 2 and a wire harness 51 is attached to the end of the coupler 5.
- a storage space S surrounded by a motor cover 80 is formed below the battery holder 149, and the wire is enclosed in the storage space S.
- a part of one harness 51 and couplers 52a and 52b are stored.
- the length of the wire harness 51 is set to be slightly longer than a required length, and an extra portion of the wire harness 51 is formed by a cut formed on a front surface and a bottom surface of the motor cover 80. It penetrates the notch and is drawn into the storage space S in the motor cover 80 to be stored. Therefore, the extra part drawn into the storage space S of the wire harness 51 is folded and stored as shown in the figure, and thereby the length of the wire harness 51 (the storage space S of the wire harness 51) is reduced. (The length of the portion exposed to the outside) is adjusted to absorb the slack of the wire 181, and the external appearance of the manual electric wheelchair 1 is enhanced, and the slack of the wire harness 5 1 Various problems are eliminated.
- notches are also formed on the front and the bottom of the bracket 47 so as to face the notches on the front and the bottom of the motor cover 80, and the grommets 81 and 82 are fitted into those notches.
- the inner portions of the grommets 8 1, 8 2 of the wire 81 1 are fixed by ins locks 8 3, 8 4 as fixing means.
- the storage space S of the wire harness 51 is drawn by the insulation locks 83, 84.
- Two places of the introduction part (the inner part of the grommets 81 and 82) to the inside are fixed to the bracket 47 by the insulation locks 83 and 84. Then, pull it into the storage space S of the wire harness 5 1
- the loosened portion is not pulled back out of the storage space S, and the slack of the wire harness 51 is reliably absorbed in the storage space S.
- couplers 52a and 52b are fixedly held at the upper part in the storage space S. That is, as shown in FIG. 12, two hooks 85 and 86 are attached to the upper surface of the bracket 47 at appropriate intervals, and the wire harness 5 is attached to the two hooks 85 and 86. The portion sandwiching the first couplers 52a and 52b is hung and held substantially horizontally. Therefore, the couplers 52a and 52b are fixedly held at the upper part in the storage space S as described above.
- the wire-to-harness 51 is configured by binding a total of five wires: a control power line 51a, two communication lines 51b, a power power line 51c, and a ground line 51d.
- the control power line 51a, the communication line 51b, the power power line 51c and the ground line 51d control the controllers 24 provided on the electric units of the left and right wheels 2.
- the wire harness 45 is formed by binding a wire 45 a connected to the positive pole of the battery 46 and a wire 45 b connected to the negative pole of the battery 46. 5a and 45b are electrically connected to a power supply line 51c and a ground line 51d of the wire harness 51 via a coupler 52b.
- power is supplied from the battery 46 to the power section 24 b of each controller 24.
- the electric power is supplied to the electric motor 25 via a relay operated by a command from the control unit 24a, and is used for driving the electric motor 25.
- the electric power is supplied to the control unit 24a via the main switch 28.
- the detection signal from the potentiometer 20 is transmitted to the controller 24a via the rotary transformer 27.
- each hand rim 13 rotates relative to each wheel 2 by an angle commensurate with the amount of compressive deformation of the spring 19, and the relative rotation amount of the hand rim 13 is enlarged by the lever 21 and the potentiometer is used.
- the potentiometer 20 transmits a detection signal proportional to the relative rotation amount of each hand rim 13 to the control unit 24 a of each controller 24 via each rotation transformer 27.
- the control unit 24 a of each controller 24 detects the proportion proportional to the relative rotation amount of the hand rim 13.
- the magnitude of the manpower applied to the hand rim 13 is determined based on the signal, and a control signal corresponding to the magnitude of the manpower is transmitted to the power unit 24b, and the magnitude of the detected manpower (torque) is determined.
- the electric power (current) of the value is supplied to each electric motor 25, and the electric motor 25 is rotationally driven to generate required auxiliary power.
- each electric motor 25 when each electric motor 25 is driven as described above, its rotation is transmitted to each of the left and right wheels 2 via the power transmission means including the belt transmission mechanism G1 and the gears G2 and G3. Is transmitted. Then, the left and right wheels 2 are rotationally driven by a driving force of a magnitude obtained by adding the auxiliary power to the human power, whereby the wheelchair 1 is moved forward, and the occupant receives a small human power of about 1 Z 2 of the total driving force, for example.
- the wheelchair can be operated easily.
- the electric unit including the electric motor 25 and the controller 24 and the battery 32 are provided on the wheel 2 side, and the main switch 28 is also disposed on the right electric unit.
- the wire harness 51 that electrically connects the left and right electric units is provided on the body frame 3, as shown in Fig. 3,
- the electrical wiring and the associated parts are kept to a minimum, thereby simplifying the structure and improving the detachability of the wheels (2).
- a switch lever 29 for operating the main switch 28 is provided.However, such a long switch lever 29 is not always necessary, and the switch lever 29 faces the body frame 3 of the fixed plate 23.
- the present invention includes an arrangement in which a well-known switch button is provided on a side surface. Further, the main switch 28 may be incorporated in the electric unit on the side opposite to the electric unit on which the battery 46 is disposed, or may be incorporated in both in some cases.
- the length and direction of the switch lever 29 are adjustable, it is possible to flexibly respond to differences in the size and type of the body frame 3.
- the mounting angle of the switch lever 29 is changed and the length thereof is adjusted.
- the lever 32 of the switch lever 29 can be bent upward and the entire switch lever 29 can be bent in a side view shape.
- 14 and 15 are inner side views of the right wheel 2 showing the usage of the switch lever 29, and in these figures, the same elements as those shown in FIG. The same reference numerals are given.
- the occupant is notified of information such as the remaining amount of the battery 46 and occurrence of abnormality. Since the pilot lamp 41 for providing the vehicle is also provided on the wheel 2 side together with the main switch 28 and the switch lever 28, the structure is simplified and the detachability of the wheel 2 is further improved.
- the force of embedding the pilot lamp 41 at the tip of the switch lever 29 is applied to the inside of the fixed plate 23 as shown in FIGS. 16 to 18. (The hub side), and the display unit 55 may be attached to the outer surface of the fixing plate 23 (the side facing the body frame 3).
- FIG. 16 is a view of the same fixing plate 23 as in FIG. 6 viewed from the inside (the body frame side)
- FIG. 17 is a cross-sectional view taken along line E-E of FIG.
- FIG. 16 is a cross-sectional view taken along the line FF of FIG. 16, in which a case 56 constituting a display unit 55 is rotatably fitted in a circular hole 23 a opening in the fixed plate 23.
- a transparent lens 57 is held.
- the lower surface 57a of the lens 57 forms an inclined surface with an angle of 45 °, and the light L from the pilot lamp 41 is reflected by the lower surface 57a of the lens 57 as shown in FIG. The light is reflected, the traveling direction is bent upward at right angles, and is emitted upward from the lens 57.
- the occupant can obtain information such as the remaining battery power based on the lighting state of the pilot lamp 41 displayed on the display unit 55.
- the display unit 55 is provided in a portion where the light force s is blocked inside the tire of the wheel, the occupant can surely visually recognize the light L emitted from the display unit 55. .
- the projections 60 and 61 are provided at opposing portions of the fixed plate 23 and the switch lever 29 respectively, and the main condition is determined by the matching condition of both projections 60 and 61.
- the ONZOFF state of switch 28 may be made visible.
- FIG. 19 the same elements as those shown in FIG. 11 are denoted by the same reference numerals.
- an electric wheelchair capable of simplifying the structure and facilitating attachment / detachment of wheels by minimizing electric wiring and associated components.
- an electric wheelchair capable of absorbing slack in the length direction of electric wiring and preventing occurrence of electric trouble due to water.
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97928495A EP0862906A4 (en) | 1996-07-01 | 1997-06-27 | MOTOR WHEELCHAIR |
US09/029,474 US6059060A (en) | 1996-07-01 | 1997-06-27 | Motor-operated wheelchair |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8/171505 | 1996-07-01 | ||
JP17150596A JP3705378B2 (ja) | 1996-07-01 | 1996-07-01 | 電動車椅子 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998000086A1 true WO1998000086A1 (fr) | 1998-01-08 |
Family
ID=15924361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/002231 WO1998000086A1 (fr) | 1996-07-01 | 1997-06-27 | Fauteuil roulant a moteur |
Country Status (4)
Country | Link |
---|---|
US (1) | US6059060A (ja) |
EP (1) | EP0862906A4 (ja) |
JP (1) | JP3705378B2 (ja) |
WO (1) | WO1998000086A1 (ja) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10314232A (ja) * | 1997-05-19 | 1998-12-02 | Yamaha Motor Co Ltd | 補助動力式車椅子 |
DE19857786C2 (de) * | 1998-03-21 | 2000-05-31 | Alber Ulrich Gmbh & Co Kg | Hilfsantriebsvorrichtung für Selbstfahrer-Rollstühle |
EP1216184B1 (en) | 1999-08-31 | 2013-01-02 | Deltaglide, Inc. | Power-assist vehicle |
US6330926B1 (en) | 1999-09-15 | 2001-12-18 | Hill-Rom Services, Inc. | Stretcher having a motorized wheel |
AU2001259732A1 (en) | 2000-05-11 | 2001-11-20 | Hill-Rom Services, Inc. | Motorized propulsion system for a bed |
WO2001085084A1 (en) | 2000-05-11 | 2001-11-15 | Hill-Rom Services, Inc. | Motorized traction device for a patient support |
US7014000B2 (en) | 2000-05-11 | 2006-03-21 | Hill-Rom Services, Inc. | Braking apparatus for a patient support |
US6321863B1 (en) * | 2000-06-26 | 2001-11-27 | Mac Brushless Motor Company | Hub motor for a wheeled vehicle |
US6615941B2 (en) * | 2001-08-09 | 2003-09-09 | Chen-Chuan Lo | Electric wheelchair simultaneous gear change structure |
WO2003024381A1 (en) | 2001-09-20 | 2003-03-27 | Hill-Rom Services, Inc. | Combination bed mover and patient transfer apparatus |
US7018157B2 (en) * | 2001-09-20 | 2006-03-28 | Hill-Rom Services, Inc. | Powered transport apparatus for a bed |
US6946650B2 (en) * | 2002-03-04 | 2005-09-20 | Independence Technology, L.L.C. | Sensor |
US6989642B2 (en) * | 2003-10-16 | 2006-01-24 | Invacare Corporation | Method and apparatus for embedding motor error parameter data in a drive motor of a power driven wheelchair |
US20060091663A1 (en) * | 2004-10-21 | 2006-05-04 | Sunrise Medical Hhg Inc. | Wheelchair with telescopic anti-tip wheel |
US7159677B1 (en) * | 2004-10-22 | 2007-01-09 | Ccl Industrial Motor Limited | Compact drive mechanism for electrically powered vehicle |
US7886377B2 (en) * | 2006-10-13 | 2011-02-15 | Hill-Rom Services, Inc. | Push handle with rotatable user interface |
US7882582B2 (en) * | 2006-10-13 | 2011-02-08 | Hill-Rom Services, Inc. | User interface and control system for powered transport device of a patient support apparatus |
US7865983B2 (en) | 2007-04-26 | 2011-01-11 | Hill-Rom Services, Inc. | Patient care equipment support transfer system |
US7789187B2 (en) * | 2008-01-29 | 2010-09-07 | Hill-Rom Services, Inc. | Push handle with pivotable handle post |
US7953537B2 (en) * | 2008-02-29 | 2011-05-31 | Hill-Rom Services, Inc. | Algorithm for power drive speed control |
US20100193278A1 (en) * | 2009-02-04 | 2010-08-05 | Husted Royce H | Powered drive apparatus for wheelchair |
US8752658B2 (en) * | 2009-02-05 | 2014-06-17 | Gary KUREK | Motorized walker |
US8430189B2 (en) * | 2009-05-27 | 2013-04-30 | Patrick Tallino | Power add-on device for manual wheelchair |
US8960340B2 (en) | 2009-05-27 | 2015-02-24 | Patrick Tallino | Power add-on device for manual wheelchair |
US8757308B2 (en) * | 2009-09-10 | 2014-06-24 | Hill-Rom Services Inc. | Powered transport system and control methods |
US8496080B2 (en) | 2010-09-30 | 2013-07-30 | National Taiwan University | Wheel driven mechanism |
ES2901153T3 (es) * | 2011-07-06 | 2022-03-21 | Max Mobility Llc | Sistema de asistencia de accionamiento energético basado en el movimiento para sillas de ruedas |
US9707143B2 (en) | 2012-08-11 | 2017-07-18 | Hill-Rom Services, Inc. | Person support apparatus power drive system |
JP6126479B2 (ja) * | 2012-09-14 | 2017-05-10 | ヤマハ発動機株式会社 | 車椅子用車輪、車椅子 |
US9144525B2 (en) | 2013-03-14 | 2015-09-29 | Max Mobility, Llc. | Motion assistance system for wheelchairs |
EP3037312B1 (en) * | 2013-08-23 | 2020-04-08 | Advics Co., Ltd. | Electric braking device for vehicle |
US9795524B2 (en) | 2015-02-24 | 2017-10-24 | Max Mobility, Llc | Assistive driving system for a wheelchair |
US10167051B1 (en) | 2017-12-12 | 2019-01-01 | Max Mobility, Llc | Assistive driving system for a wheelchair and method for controlling assistive driving system |
FR3092489B1 (fr) * | 2019-02-07 | 2023-02-24 | Michelin & Cie | Dispositif d’assistance électrique |
CA3182890A1 (en) * | 2020-07-08 | 2022-01-13 | James Mulhern | Anti-tip motorized vehicle |
JP7327369B2 (ja) * | 2020-12-04 | 2023-08-16 | トヨタ自動車株式会社 | 電動アシスト装置およびプログラム |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08117291A (ja) * | 1994-10-28 | 1996-05-14 | Yamaha Motor Co Ltd | 補助動力式ビークル |
JPH08117287A (ja) * | 1994-10-27 | 1996-05-14 | Yamaha Motor Co Ltd | 手動式電動車椅子 |
JPH08150179A (ja) * | 1994-09-30 | 1996-06-11 | Yamaha Motor Co Ltd | 手動式電動車椅子 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5197559A (en) * | 1990-09-04 | 1993-03-30 | Fortress Life-Style, Inc. | Foldable wheelchair with optional power or manual drive |
US5199520A (en) * | 1991-12-11 | 1993-04-06 | Sen Jung Chen | Wheeled chair |
US5555949A (en) * | 1992-02-18 | 1996-09-17 | Cerebral Palsy Research Foundation Of Kansas | Electricaly operable wheelchair having a controller responsive to different types of inputs |
US5427193A (en) * | 1993-04-19 | 1995-06-27 | Datatran Inc. | Drive system for wheelchairs or the like |
US5477935A (en) * | 1993-09-07 | 1995-12-26 | Chen; Sen-Jung | Wheelchair with belt transmission |
JP3661882B2 (ja) * | 1994-06-16 | 2005-06-22 | ヤマハ発動機株式会社 | 補助動力式ビークル |
DE69515746T2 (de) * | 1994-07-06 | 2000-10-26 | Nabco Ltd | Kraftfahrzeug |
US5771988A (en) * | 1995-05-30 | 1998-06-30 | Nabco Limited | Motor-driven vehicle |
JP3703524B2 (ja) * | 1995-06-20 | 2005-10-05 | ヤマハ発動機株式会社 | 手動式電動車椅子 |
-
1996
- 1996-07-01 JP JP17150596A patent/JP3705378B2/ja not_active Expired - Fee Related
-
1997
- 1997-06-27 US US09/029,474 patent/US6059060A/en not_active Expired - Fee Related
- 1997-06-27 EP EP97928495A patent/EP0862906A4/en not_active Withdrawn
- 1997-06-27 WO PCT/JP1997/002231 patent/WO1998000086A1/ja not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08150179A (ja) * | 1994-09-30 | 1996-06-11 | Yamaha Motor Co Ltd | 手動式電動車椅子 |
JPH08117287A (ja) * | 1994-10-27 | 1996-05-14 | Yamaha Motor Co Ltd | 手動式電動車椅子 |
JPH08117291A (ja) * | 1994-10-28 | 1996-05-14 | Yamaha Motor Co Ltd | 補助動力式ビークル |
Non-Patent Citations (1)
Title |
---|
See also references of EP0862906A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP0862906A4 (en) | 2001-11-07 |
US6059060A (en) | 2000-05-09 |
JPH1014985A (ja) | 1998-01-20 |
JP3705378B2 (ja) | 2005-10-12 |
EP0862906A1 (en) | 1998-09-09 |
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