WO2011062306A1 - 수동 휠체어 바퀴와 그 것을 제어하는 장치 - Google Patents
수동 휠체어 바퀴와 그 것을 제어하는 장치 Download PDFInfo
- Publication number
- WO2011062306A1 WO2011062306A1 PCT/KR2009/006761 KR2009006761W WO2011062306A1 WO 2011062306 A1 WO2011062306 A1 WO 2011062306A1 KR 2009006761 W KR2009006761 W KR 2009006761W WO 2011062306 A1 WO2011062306 A1 WO 2011062306A1
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- WO
- WIPO (PCT)
- Prior art keywords
- wheel
- shift
- manual wheelchair
- ring
- cam
- Prior art date
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Classifications
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- 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
- A61G5/02—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
- A61G5/021—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular propulsion mechanisms
- A61G5/023—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular propulsion mechanisms acting directly on hubs or axis
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- 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
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- 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
- A61G5/1083—Quickly-removable wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
Definitions
- Another object of the present invention to provide a fixing member and a manual handle that can simultaneously adjust the left and right wheels in a wheelchair equipped with a manual wheelchair wheel suitable for the above object.
- An object of the present invention is a central shaft having an axial hole and a radial through hole and is installed so as not to rotate relative to the vehicle body; An input member that is supported by the central axis and rotates together with the handrim; An output member that is supported by the central axis and rotates together with a wheel; A planetary gear train having a plurality of planetary gears installed at any one of the input member and the output member, at least one sun gear meshed with the planetary gears, and a ring gear installed at the other and engaged with the planetary gears; One or more shift clutches engaged in the rotation and impossibility of the sun gear; A direct clutch engaged with the input member and the output member by being engaged with each other to be rotated or separated and freely rotated; A transmission cam rotatably installed in the axial hole of the central axis to control the operation of the transmission clutch and the direct clutch; having different clutches operated according to the rotational position of the transmission cam to move forward and backward of the handrim. This is achieved by
- the shift clutch has the sun gear having a plurality of projections projecting in the axial or radial direction, and a plurality of projections projecting to enclose the central axis and to be engaged with or disengaged from the projection, and are axially translatable and rotatable. It is preferable to have a transmission clutch ring which is impossible to install, and an elastic member for pressing the transmission clutch ring to move to the engaged position.
- the direct clutch has the input member and the output member having a plurality of protrusions protruding in the axial or radial direction on the side facing each other, and a plurality of protrusions projecting to surround the central axis and to be engaged or disengaged from the protrusions.
- a rotary clutch ring which is rotated together with any one of the input member and the output member and is slidably moved in the axial direction, a guide ring which is installed in the axial direction so as to be translatable and non-rotating and in contact with the rotary clutch ring, and the rotation It is desirable to have an elastic member for urging the clutch ring to move to the engaged position. It is also preferred to arrange a bearing between the guide ring which does not rotate and the rotating clutch ring that rotates.
- the shift cam is coupled to the shift clutch ring or guide ring through a radial through hole of the central axis, and guides the shift clutch ring to a disengaged position according to the rotational position of the shift cam, and moves to the engaged position. It is preferred to have an axial cam surface configured to permit, and an axial cam surface configured to guide the rotary clutch ring to the disengaged position and allow movement to the engaged position.
- guiding means forcibly moving in contact with the cam surface, and allowing movement means forming a cam surface at the position to be moved and being pressed by the elastic member to move to the target position.
- the elastic member is preferably a coil spring or wave washer. This elastic member plays an important role in smoothly rotating the shift cam. In other words, when the shift cam rotates, the end of both protrusions of the clutch to be engaged in contact with the clutch may be in contact with each other. At this time, the shift cam helps to rotate regardless of the engagement.
- an output member having a transmission surface, a plurality of locking members installed in the respective pockets and fitted in contact with the two power transmission surfaces, and a rotation for retracting the locking member such that the locking members are in contact with the two power transmission surfaces. It is preferable to further control the rotational direction of the locking member guide plate by further having an elastic member for pressing in the direction and a locking member guide plate for guiding the locking member so as not to contact at least one of the two power transmission surfaces.
- the central axis is a vehicle body support portion for supporting the vehicle body through the through hole formed in the vehicle body, a transmission portion for receiving the transmission cam and rotatably supporting the input member and output member, and a rotation for fixing the central axis so as not to rotate It is composed of a fixed portion may be mounted so that the central axis does not rotate without departing from the body.
- an ejector pin disposed through the shift cam having the central axis and the through hole to form a manual wheelchair wheel configured to be quickly mounted and detached from the vehicle body;
- the axial pressure is applied to the ejector pin is reduced to freely move the through hole of the vehicle body, and when the pressure is released to the ejector pin is configured to have an end portion of the central axis firmly fixed to the through hole of the vehicle body It is desirable to.
- the vehicle body support portion and the transmission portion of the central shaft are prefabricated, so that only the vehicle body support portion configured in the cassette type can be exchanged.
- the output member is preferably operated as a hub surrounding the central shaft and the input member, the planetary gear train, the shift clutch, the direct clutch, the shift cam.
- the method of protruding the shift shaft to the outside of the wheel to shift each side of the vehicle can be easily achieved, but the left and right wheelchair wheels must be controlled separately.
- the shifting lever and the brake lever are separately on the outside of the vehicle body, it is inconvenient to operate, the lever may be affected by the surrounding environment, and the wheel may change or interfere with the wheelchair, and both wheels may occur when both wheels are not controlled at the same time.
- the imbalance of is inevitable. Such an imbalance can change the driving direction, which is undesirable.
- the shift lever and the brake lever are controlled by integrating the left and right in the vehicle body.
- the shift cam has an elastic member that presses in one rotation direction so that any one position is maintained in the rotation direction, but the left and right wheels are preferably arranged to be symmetrical.
- the locking member guide plate preferably has a protrusion which protrudes in the vehicle body direction and has a control device capable of controlling the rotational position of the locking member guide plate in the vehicle body.
- control device is connected to both sides of the vehicle body to receive the projections or shifting pins against each wheel, and from the connection of the control devices installed on both sides to a wire or similar connection means. Both wheels are controlled simultaneously by connecting to the handle of the control unit.
- the handle is wrapped by a tube is received through the wire and the tension adjusting bolt for supporting the end of the tube, a bracket having a female screw for receiving the tension adjusting bolt, and coupled to the shifting ring by the wire It is preferable to have a shift knob and a brake knob coupled to the brake ring by the wire to tighten each tension adjusting bolt or to adjust the tension of the puller wire.
- the manual wheelchair wheel of the present invention is 1) driven in both directions and has a shift function, 2) a reverse prevention function, and 3) existing manual wheelchair wheels having the above functions (1, 2) without changing the existing wheelchair body.
- 4) provides a fixing member and a manual handle to control the left and right wheels at the same time in a wheelchair equipped with a manual wheelchair wheel having the above functions (1, 2, 3).
- the structure is simple, lightweight, and can be configured to be quickly removed from the body.
- FIG. 3 is a rear perspective view of FIG.
- FIG. 8 is a perspective view of a wheelchair mounted on one embodiment of the connection portion of the manual wheelchair wheel fixing device and the control device according to the present invention
- FIG. 13 is a sectional view of a manual wheelchair wheel equipped with a quick detachable central axis as another embodiment of the manual wheelchair wheel according to the present invention
- FIG. 1 is a perspective view showing an embodiment of a manual wheelchair wheel according to the present invention
- Figure 3 is a rear perspective view of the example
- Figure 4 is an exploded perspective view of the example
- Figure 5 is an axial sectional view of the example
- 2 is a perspective view of attaching the above example to a vehicle body.
- Clutch guide grooves 10c deeply penetrating radially are formed in the center portion, and jaws 10e for bearings supporting the hub 31 are formed.
- the clutch guide groove 10c guides the shift clutch ring 24 and the guide ring 33 to translate in the axial direction without rotation.
- a projection 10b protruding in the axial direction is formed between the central portion and the support portion 10a.
- the projection forms a flat surface 10b with a part of the main surface, and a screw is formed on the main surface 10e.
- the screw engages with the braking member 15 and secures the bearing 37. Since the braking member 15 is applied with a force preventing the rotation in the reverse direction, left and right screws are formed on the central shaft 10 of the left and right wheels so that the braking member 15 is not loosened.
- the screw of the support portion 10a for fixing the central shaft 10 is firmly fixed to the vehicle body 5 by nuts. But it is not easy to remove the wheels. Therefore, if it is required to quickly detach the wheel, it is possible to configure the quick detachment device (10k, 51, 52, 53, 54, 55) as shown in FIG.
- the shift cam 11 is inserted into the deep groove of the central shaft 10 and rotates to control the shift clutches 23 and 24 and the direct clutches 21 and 34.
- the cam guide surface 11b for the shift clutch ring 24 for operating the shift clutches 23 and 24 and the cam guide surface 11a for the guide ring 33 for operating the direct clutches 21 and 34 are shift cams. It is formed on the outer peripheral surface of 11).
- the two cam guide surfaces 11a and 11b are formed with respective grooves at the positions at which the corresponding clutches are engaged, and one side wall of each groove is formed with a cam guide surface that is gently dug in the axial direction.
- the two cam guide surfaces 11a and 11b are inclined in opposite directions to each other, and when one cam guide surface makes the deepest groove, the other cam guide surface is not axially plied so that the two clutches operate at different angles. have.
- the angle is approximately 30 ° to 90 °.
- a groove for accommodating one end of the coil spring 13 is formed at one end of the shift cam 11, and a groove 11c for accommodating the shift pin 14 is formed at the other end.
- the shifting pin 14 is an L-shaped member which engages the axial through-hole of the central shaft 10 facing the inside of the vehicle body 5 with the shifting cam 11 in the barrel and is mounted on the vehicle body 5. It is accommodated in 102 to control the shift cam (11).
- the shift pin 14 may be configured to protrude to the outside of the vehicle body 5 in combination with the shift cam 11, in which case each wheel may be shifted from the outside of the wheel.
- One end of the coil spring 13 is axially bent to be engaged with one groove of the shifting cam 11, and the other end is radially to be engaged with the through hole 10g of the central shaft 10. Bent into The coil spring 13 is supported by the central shaft 10 and is assembled to press the shift cam 11 in one rotational direction.
- the shift pin 14 restricts rotation in the rotational direction. It is used to align the position when mounting a removable wheelchair wheel so that the pressing directions of the left and right wheels are symmetrical.
- the planetary gear 22 is a double pinion gear in which two are respectively engaged with the through-holes of the input carrier 21, one of which is arranged with a small radius, meshes with the sun gear 23, and the other is arranged with a larger radius. It is comprised by the ring gear 32.
- the sun gear 23 which meshes with the planetary gear 22 has a through hole for enclosing and rotating the central shaft 10 and protrudes in the axial direction so as to be engaged and disengaged from the shift clutch ring 24 on the side. Many projections 23b are formed evenly.
- the sun gear 23 is supported in the axial direction by a snap ring or a stop ring, etc. to rotate while maintaining the position without flowing in the axial direction.
- the shift clutch ring 24 has a cam surface along which the projection 24b protruding toward the center is in contact with the cam guide surface 11b of the shift cam through a radial through groove of the center shaft 10 and along the center shaft 10.
- a cylindrical ring that slides in an axial direction and does not rotate.
- On the side of the ring a plurality of protrusions 24a protruding in the axial direction are formed evenly so as to be engaged with and detached from the protrusions 23b of the sun gear.
- the wave washer 25 which is an elastic member that presses the shift clutch ring 24 toward the sun gear 23, is supported by a stepped jaw formed in the central shaft 10 to press the shift clutch ring 24 in the axial direction. .
- the wave washer 25 pressurizes the shift clutch ring 24 even when the projections of the shift clutch ring 24 and the sun gear 23 are engaged to assist the engagement.
- a sufficient extension force is provided to secure a transfer distance that the projections of the shift clutch ring 24 and the sun gear 23 can rotate without interfering with each other.
- the output member hub 31 is supported by the bearing 37 and rotates, and is fixedly coupled to the ring gear 32, the direct clutch ring 35 and the braking ring 38 on the inner circumferential surface, and the outer circumferential surface is fixed with wheels and spokes.
- Hub 31 surrounding the side and the outer circumferential surface of the bearing 37 is a radial projection protruding in the radial direction is formed radially on the inner circumferential surface is tightly coupled so as not to rotate to engage the projection (35a) of the direct clutch ring.
- One end of the cone-shaped hub 31 is also radially protruding radially protruding in one end of the hub 31 is engaged with the projection 32a of the ring gear to be firmly coupled so as not to rotate.
- the ring gear 32 has an internal gear 32b that meshes with the pinion gear 22 and has a plurality of protrusions 32a on the outer circumferential surface for engaging the hub 31c without rotation.
- a bearing surface 32c is formed on the inner circumferential surface of the cylinder extended laterally to cooperate with the bearing surface 21b of the input carrier to rotatably support the hub 31.
- the direct clutch ring 35 has a radial protrusion 35a formed on one outer circumferential surface thereof so as not to rotate with the hub 31a, and one end of the inner circumferential surface slides in the axial direction with the rotary clutch ring 34b.
- the radial protrusion 35b for the radial is formed.
- the rotary clutch ring 34 is a cylindrical member that rotates together with the direct clutch ring 35 and is axially translated by the guide ring 33 and the elastic member 36 and engaged with the input carrier 21 to rotate together. Break free and rotate freely with each other.
- One end of the rotary clutch ring 34 wraps around the central axis 10 and is formed with a sliding plate, which is in contact with the guide ring 33 at the end of the disc.
- radial projections 34b for radially engaging with the projections 35b of the direct coupling clutch ring and sliding in the axial direction are formed radially.
- a plurality of projections 34a protruding in the axial direction are formed evenly so as to be engaged with and separated from the projections 21a of the input carrier.
- the guide ring 33 has a cam surface 33a in which the projection 33a protruding toward the center is in contact with the cam guide surface 11a of the shift cam, passing through the radial through groove 10c of the central axis. It is a cylindrical ring that slides along the axial direction and does not rotate. The guide ring 33 is in contact with the disc inner surface of the rotary clutch ring 34 to the bearing to limit the axial movement of the rotary clutch ring toward the input carrier.
- the wave washer 36 which is an elastic member, is supported by the bearing 37 to press the rotary clutch ring 34 in the axial direction.
- the wave washer 36 presses the rotary clutch ring 34 even when the protrusion of the rotary clutch ring 34 and the input carrier 21 is engaged to assist the release of the engagement.
- the guide ring 33 is guided to the position where the engagement is separated, it is sufficient to secure a transport distance to the position where the projection of the rotary clutch ring 34 and the input carrier 21 can rotate without interfering with each other.
- a braking part capable of selectively preventing backwards is provided with a one-way clutch between the hub 31, which is an output member, and the fixed central shaft 10.
- the braking member 15 fixed to the central shaft 10 forms eight pockets on the outer circumferential surface for receiving the locking member 41, and a power transmission surface 15a is formed on one side of the pocket, and the other side ( 15b) is configured to support the elastic member 42 for pressing the locking member.
- the power transmission surface 15a is disposed in the rotational direction in which the wheel 3 retreats, and the inner circumferential surface 15c is screwed to press the bearing 37 and screwed with the central shaft 10.
- the screw is configured to be tightened in the rotational direction in which the wheel 3 reverses to prevent loosening of the screw.
- the locking member 41 is pressed by the elastic member 42 between the power transmission surface 15a of the braking member and the power transmission surface of the braking ring 38 fixed to the hub 31 so as to be in contact with the two power transmission surfaces. Cylindrical roller to be fitted.
- the engaging member pressing spring 42 which is an elastic member, has a weak elastic force such that the engaging member is weakly in contact with two power transmission surfaces at the same time by a coil spring or a leaf spring formed of a thin plate.
- the locking member guide plate 40 is rotatably disposed on the inner circumferential surface of the braking ring and is rotatably disposed, and protrudes in the axial direction between the two power transmission surfaces of the locking member 41 and the braking member 15. Is formed in contact with the locking member 41 by rotation.
- the locking member guide plate rotates in the forward direction so that the locking member does not contact the two power transmission surfaces at the same time.
- the projection 41a for engaging with the brake ring 103 of the wheel control device is formed on the side.
- the central shaft 10, the shifting cam 11, the braking member, and the locking member guide plate are assembled in a left and right pair to separate left and right wheels.
- the wheel fixing device 101 which is installed in the wheelchair body 5 and engages with the wheelchair wheel 1 has an axial protrusion 101c and is formed with a through hole 101d for receiving the support portion 10a of the central axis.
- An axial groove 101a is formed to receive the axial protrusion 10b and not to rotate, and a plane 101b is formed on one side of the outer circumference thereof and is fixed to the vehicle body by bolts or protrusions in accordance with various wheelchair specifications. do.
- the wheel control device will be described with reference to FIGS. 8 to 12.
- the wheel control device is composed of a shift part, a reverse prevention part and a handle part.
- the shifting ring of the shift part surrounds and rotates the protrusion 101c of the wheel fixing device, but forms a protrusion 102a on the inner circumferential surface to limit the rotation within a predetermined angle, and forms a groove 102a for accommodating the shift pin 14. It is configured to receive and fix the shifting wire 105 on the opposite side (102b) to rotate as the shifting wire 105 is pulled.
- the return spring 106 is arranged to return to the original position when the power to pull the transmission wire 105 is removed.
- the braking ring 103 of the reverse prevention part has a plurality of axial protrusions 103a for engaging with the engaging member guide plate 40 and is disposed to be rotatable between the connection cover 104 and the shifting ring 102.
- the rear side is configured to receive and fix the braking wire 107 to rotate as the braking wire 107 is pulled.
- the return spring 108 is arranged to return to the original position when the pulling force of the braking wire 107 is removed.
- the handle portion is provided with the shift knob 207a and the brake knob 207b, and the shift wires 105a and 105b and the brake wires 107a and 107b are connected from both wheels to control both wheels 1a and 1b simultaneously. It is supposed to be.
- Each of the wires 105a, 105b, 107a, and 107b passes through the tensioning bolt 205 and is fixed to the handle 207 so that the tensioning bolt 205 is tensioned bolt fixing nut 208 so as to have an appropriate tension. Position is fixed.
- the shift knob should be in the 'direct' position and the brake knob in the 'no reverse action' position.
- the shift pin and the shift cam combined with the shift ring are in a direct connection position by the springs 13 and 106, and the guide cam of the shift cam has a forward guide ring.
- the spring 36 advances the projection of the rotary clutch ring to the position where the projection of the input carrier engages with the projection of the input carrier.
- the shift clutch cam surface of the shift cam guides the shift clutch ring to a position where the projection of the shift clutch ring is disengaged from the projection of the sun gear.
- the braking wire combined with the braking handle is pulled tight.
- the braking wire rotates the engaging member guide plate coupled with the braking ring so that the projection of the engaging member guide plate pushes and rotates the engaging member so that the engaging member does not fit in contact with any one of the braking ring and the braking member so that the hub is moved backward. It can rotate and move forward and backward.
- the locking member guide plate combined with the braking ring loses tension of the braking wire and at the same time, the locking member is fitted between the braking ring and the braking member by pressurization of the braking spring. Push the projection of the locking member guide plate to move it. Therefore, the forward rotation is possible, but the backward rotation is the braking member is fitted so that the central axis and the hub is combined so that the hub does not rotate like the central axis.
- the shifting wire is pulled to rotate the shifting pin and shifting cam combined with the shifting ring in the decelerating position
- the guide cam of the shifting cam ring has a guide ring.
- the guide ring is guided to the position where the engagement between the projection and the projection of the input carrier is released.
- the shift clutch cam surface of the shift cam is in a position to allow the shift clutch ring to move forward, and the spring 25 advances to the position where the projection of the shift clutch ring engages with the projection of the sun gear. Therefore, the sun gear is stopped by the transmission clutch ring and the planetary gear train is operated so that the hub is decelerated and rotated.
- the locking member guide plate combined with the braking ring is rotated by the wire, and at the same time, the locking member which is in the fitting position between the braking ring and the braking member is rotated.
- the locking member is pushed and rotated, the locking member does not fit in contact with any one of the braking ring and the braking member so that the hub can rotate in the reverse direction and thus can be moved forward and backward.
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- Animal Behavior & Ethology (AREA)
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- Mechanical Operated Clutches (AREA)
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Abstract
Description
Claims (19)
- 수동 휠체어의 차체에 장착되는 수동 휠체어 바퀴에 있어서,축방향 구멍과 반경 방향 관통 구멍을 갖고 차체에 대해 회전하지 않게 설치되는 중심축과;상기 중심축에 지지가 되어 핸드림과 결합하여 같이 회전하는 입력부재와;상기 중심축에 지지가 되어 바퀴와 결합하여 같이 회전하는 출력부재와;상기 입력부재와 출력부재 중 어느 하나에 설치되는 다수의 유성기어와 상기 유성기어에 맞물리는 하나 이상의 태양기어 및 다른 하나에 설치되어 상기 유성기어와 맞물리는 링기어를 갖는 유성기어열과;상기 태양기어의 회전 가능과 불가능에 관여하는 하나 이상의 변속클러치와;상기 입력부재와 출력부재가 결합하여 같이 회전하거나 분리되어 각각 자유 회전하는 것에 관여하는 직결클러치와;상기 중심축의 축방향 구멍에 회전 가능하게 설치되어 상기 변속 클러치와 직결 클러치의 작동을 제어하는 변속캠;을 가져 상기 변속캠의 회전방향 위치에 따라 서로 다른 클러치가 작동되어 상기 핸드림의 전진 및 후진 구동력을 2단계 이상으로 변속하여 바퀴로 전달하는 수동 휠체어 바퀴
- 제 1항에 있어서,상기 변속 클러치는 축 방향 또는 반경방향으로 돌출된 다수의 돌기를 갖는 상기 태양기어와, 상기 중심축을 감싸고 상기 돌기에 맞물리거나 이탈될 수 있도록 돌출된 다수의 돌기를 갖고, 축방향으로 병진 가능하고 회전 불가능하게 설치되는 변속 클러치 링과, 상기 변속 클러치 링을 맞물림 위치로 이동하도록 가압하는 탄성부재를 갖는 수동 휠체어 바퀴
- 제 1항에 있어서,상기 직결 클러치는 서로 마주하는 측면에 축 방향 또는 반경방향으로 돌출된 다수의 돌기를 갖는 상기 입력부재 및 출력부재와, 상기 중심축을 감싸고 상기 돌기에 맞물리거나 이탈될 수 있도록 돌출된 다수의 돌기를 갖고 상기 입력부재 및 출력부재 중 어느 하나와 같이 회전하며 축방향으로 미끄럼 이동 가능하게 장착된 회전 클러치 링과, 축방향으로 병진 가능하고 회전 불가능하게 설치되어 상기 회전 클러치 링과 접하는 안내링과, 상기 회전 클러치 링을 맞물림 위치로 이동하도록 가압하는 탄성부재를 갖는 수동 휠체어 바퀴
- 제 2항 또는 제 3항에 있어서,상기 변속캠은 상기 변속 클러치 링 또는 안내링과 상기 중심축의 반경방향 관통 구멍을 통해 결합하고, 상기 변속캠의 회전방향 위치에 따라 상기 변속 클러치 링을 이탈 위치로 안내하고, 맞물림 위치로 이동하는 것을 허용하게 구성된 축 방향 캠면과, 상기 회전 클러치 링을 이탈 위치로 안내하고, 맞물림 위치로 이동하는 것을 허용하게 구성된 축 방향 캠면을 갖는 것인 수동 휠체어 바퀴
- 제 1항에 있어서,상기 변속캠은 회전방향으로 어느 한쪽의 위치가 유지되도록 한쪽 회전 방향으로 가압하는 탄성부재를 갖는 수동 휠체어 바퀴
- 제 1항에 있어서,상기 변속캠으로부터 상기 중심축을 관통하여 차체 반대 방향으로 돌출한 돌기와 상기 돌기에 결합한 변속 레버에 의해 상기 변속캠의 회전방향 위치를 제어하는 수동 휠체어 바퀴
- 제 1항에 있어서,상기 변속캠으로부터 상기 중심축을 관통하여 차체 방향으로 돌출한 변속핀과, 상기 변속핀이 회전방향으로 요동할 수 있게 허용하는 관통구멍을 형성한 중심축과 상기 변속캠의 회전방향 위치를 차체에서 제어가 가능한 제어장치를 갖는 수동 휠체어 바퀴
- 제 2항 또는 제 3항에 있어서,상기 탄성부재는 코일 스프링 또는 웨이브 와샤(wave washer)인 수동 휠체어 바퀴
- 제 1항에 있어서,상기 중심축에 회전하지 않게 설치되어 외주면에 다수의 포켓을 형성하고 그 포켓에 동력전달면을 갖는 제동부재와, 상기 제동부재를 감싸고 내주면에 동력전달면을 갖는 출력부재와, 상기 각각의 포켓에 설치되고 상기 두 동력전달면에 접하여 끼워맞춤되는 다수의 걸림부재와, 상기 걸림부재가 상기 두 동력전달면에 접하도록 상기 걸림부재를 후진하는 회전 방향으로 가압하는 탄성부재와, 상기 걸림부재를 상기 두 동력전달면 중 적어도 한쪽과 접촉하지 않게 안내하는 걸림부재 안내판을 더 가져 상기 걸림부재 안내판의 회전방향 위치를 제어하여 후진을 선택적으로 방지할 수 있는 후진방지클러치를 갖는 수동 휠체어 바퀴
- 제 9항에 있어서,상기 걸림부재 안내판은 중심축을 지나 변속캠을 회전 가능하게 관통한 제동링크와 상기 링크에 결합한 제동레버에 의해 상기 걸림부재 안내판의 회전방향 위치를 제어하는 수동 휠체어 바퀴
- 제 9항에 있어서,상기 걸림부재 안내판은 차체 방향으로 돌출한 돌기를 가져 상기 걸림부재 안내판의 회전방향 위치를 차체에서 제어 가능한 제어장치를 갖는 수동 휠체어 바퀴
- 제 7항 및 제 11항에 있어서,상기 제어장치는 차체의 양쪽에 장착되어 각각의 바퀴에 대향하여 상기 돌기 또는 변속핀을 수용하는 제어장치의 연결부와, 상기 양쪽에 설치된 제어장치의 연결부로부터 와이어 또는 그와 유사한 연결 수단으로 하나의 제어장치의 손잡이에 연결되어 양쪽 바퀴가 동시에 제어되는 수동 휠체어 바퀴
- 제 1항에 있어서,상기 중심축은 상기 차체에 형성된 관통 구멍을 지나 차체를 지지하는 차체 지지부와, 상기 변속캠을 수용하고 상기 입력부재 및 출력부재를 회전 가능하게 지지하는 변속부와, 상기 중심축을 회전하지 않게 고정하는 회전 고정부로 구성되어 상기 중심축이 차체에서 이탈하지 않고 회전하지 않게 장착되는 수동 휠체어 바퀴
- 제 13항에 있어서,상기 중심축과 관통 구멍을 갖는 변속캠을 관통하여 배치된 이젝터핀과;상기 이젝터핀에 축방향 압력이 가해지면 상기 차체의 관통 구멍을 자유롭게 이동할 수 있게 축소되고, 상기 이젝터핀에 압력이 해제되면 확장되어 상기 차체의 관통 구멍에 단단히 고정되는 상기 중심축의 끝 부분을 가져 차체에 신속하게 장착되고 이탈할 수 있게 구성된 수동 휠체어 바퀴
- 제 13항에 있어서,상기 중심축의 차체 지지부와 변속부가 조립식으로 구성되어, 차체 지지부 만을 교환하여 다양한 휠체어 차체의 관통구멍에 적응 가능한 수동 휠체어 바퀴
- 제 1항에 있어서, 상기 출력부재는 상기 중심축과 입력부재, 유성기어열, 변속클러치, 직결클러치, 변속캠을 감싸는 허브인 수동 휠체어 바퀴
- 바퀴의 허브에 변속 기능과 후진 방지 기능을 갖고 상기 변속 기능을 제어할 변속핀과 후진 방지 기능을 제어할 돌기를 차체쪽으로 돌출한 수동 휠체어 바퀴를 차체의 양쪽에 설치한 수동 휠체어를 제어하는 수동 휠체어 바퀴 제어 장치에 있어서,상기 휠체어 바퀴의 중심축을 회전하지 않게 지지하는 바퀴 고정 장치와;상기 바퀴 고정 장치를 감싸고 상기 변속핀을 수용하는 변속링과 상기 바퀴 고정 장치를 감싸고 후진 방지 기능을 제어할 돌기를 수용하는 제동링을 갖는 상기 제어장치의 연결부와; 제어 장치를 조작하는 손잡이와; 상기 연결부와 손잡이를 연결하는 링크를; 가져 양쪽 바퀴를 상기 손잡이로 동시에 제어하는 수동 휠체어 바퀴 제어 장치
- 제 17항에 있어서,상기 제어장치의 연결부는 각각 와이어로 상기 손잡이에 연결되어 손잡이가 회전함에 따라 상기 와이어가 당겨지거나 풀리게 결합하고, 상기 변속링과 제동링은 각각의 와이어가 감기는 쪽으로 힘을 가하는 리턴 스프링을 더 갖는 수동 휠체어 바퀴 제어 장치
- 제 17항에 있어서,상기 손잡이는 튜브에 의해 감싸여 상기 와이어를 관통시켜 수용하고 듀브의 끝부분을 지지하는 장력조절 볼트와, 상기 장력조절 볼트를 수용하는 암나사를 갖는 브라켓과, 상기 와이어에 의해 상기 변속링과 결합하는 변속 손잡이와, 상기 와이어에 의해 상기 제동링과 결합하는 제동 손잡이를 가져 각각의 장력조절 볼트를 조이거나 풀러 와이어의 장력 조절이 가능한 수동 휠체어 바퀴 제어 장치
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CN2009801624762A CN102711704A (zh) | 2009-11-17 | 2009-11-17 | 手动轮椅轮子以及控制该轮椅轮子的装置 |
US13/510,284 US20120231922A1 (en) | 2009-11-17 | 2009-11-17 | Manual wheelchair wheel and apparatus for controlling same |
PCT/KR2009/006761 WO2011062306A1 (ko) | 2009-11-17 | 2009-11-17 | 수동 휠체어 바퀴와 그 것을 제어하는 장치 |
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PCT/KR2009/006761 WO2011062306A1 (ko) | 2009-11-17 | 2009-11-17 | 수동 휠체어 바퀴와 그 것을 제어하는 장치 |
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EP2760408A4 (en) * | 2011-09-29 | 2015-05-20 | Intelliwheels Inc | LOW-SPEED DRIVE SYSTEM FOR MANUAL-POWERED WHEELCHAIRS AND METHODS OF USE |
EP3500223B1 (en) | 2016-08-17 | 2020-04-22 | GearWheel AB | Backstop and gear-shift arrangement for a wheelchair wheel |
DE102017107964A1 (de) * | 2017-04-12 | 2018-10-18 | Desino Gmbh | Rollstuhlvorrichtung zu einer aktiven Bewegung einer Sitzeinheit eines Rollstuhls |
CN107028707B (zh) * | 2017-04-26 | 2018-10-02 | 杨玉娟 | 轮椅的车轮拆卸装置 |
WO2020017105A1 (ja) * | 2018-07-18 | 2020-01-23 | 合同会社ライフスペース研究所 | 片手操作可能な車椅子 |
CN109157346B (zh) * | 2018-10-10 | 2024-02-27 | 安维车件(厦门)有限公司 | 一种提线装置及运用该提线装置的轮椅 |
TWI809767B (zh) * | 2022-03-18 | 2023-07-21 | 力山工業股份有限公司 | 行星齒輪減速機構內齒環的定位裝置 |
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WO1994020323A1 (en) * | 1993-03-10 | 1994-09-15 | Beidler Michael T | Wheelchair drive system |
WO1998037849A1 (en) * | 1997-02-28 | 1998-09-03 | Michael Lovegrove | Planetary gear assisted wheelchair wheels |
KR20010055391A (ko) * | 1999-12-10 | 2001-07-04 | 김정규 | 유성 감속기를 이용한 휠체어 드라이브 시스템 |
JP2003033403A (ja) * | 2001-07-23 | 2003-02-04 | Seishiro Yoshihara | 車椅子変速機構および遊星変速機構 |
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US5301971A (en) * | 1992-02-24 | 1994-04-12 | Brereton H Arthur | Ratcheting wheelchair hub |
US5853346A (en) * | 1995-12-19 | 1998-12-29 | Gaffney; Edward J. | Planetary gear assembly with floating ring gear |
DE19839611C2 (de) * | 1998-08-31 | 2001-09-13 | Dt Swiss Ag Biel | Rollstuhlbremse |
GB9904607D0 (en) * | 1999-03-01 | 1999-04-21 | Stedman Kenneth B | Wheel hub |
US6428028B1 (en) * | 1999-12-06 | 2002-08-06 | Synkinetics, Inc. | Wheel transmission for mobility vehicle |
US6755430B1 (en) * | 2001-06-13 | 2004-06-29 | Brian M. Watwood | Wheelchair drive assembly |
US7011321B2 (en) * | 2002-05-23 | 2006-03-14 | Hargroder Todd L | Quick release detachable wheels |
US6893035B2 (en) * | 2002-12-02 | 2005-05-17 | Brian M. Watwood | Wheelchair drive mechanism |
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- 2009-11-17 WO PCT/KR2009/006761 patent/WO2011062306A1/ko active Application Filing
- 2009-11-17 CN CN2009801624762A patent/CN102711704A/zh active Pending
- 2009-11-17 US US13/510,284 patent/US20120231922A1/en not_active Abandoned
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WO1994020323A1 (en) * | 1993-03-10 | 1994-09-15 | Beidler Michael T | Wheelchair drive system |
WO1998037849A1 (en) * | 1997-02-28 | 1998-09-03 | Michael Lovegrove | Planetary gear assisted wheelchair wheels |
KR20010055391A (ko) * | 1999-12-10 | 2001-07-04 | 김정규 | 유성 감속기를 이용한 휠체어 드라이브 시스템 |
JP2003033403A (ja) * | 2001-07-23 | 2003-02-04 | Seishiro Yoshihara | 車椅子変速機構および遊星変速機構 |
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CN102711704A (zh) | 2012-10-03 |
US20120231922A1 (en) | 2012-09-13 |
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