Provided is a transmission for a motor including: an input shaft rotating by driving force transmitted from the motor and having a plurality of pawls disposed on the outer circumferential surface; controller for controlling protrusion and retraction of the pawls; a plurality of driving gears through the centers of which the input shaft passes, which have ratchets formed on the inner circumferential surfaces thereof so as to be engaged with the pawls, and which are different in the number of gear teeth; a plurality of driven gears which are externally meshed with the driving gears and are different in the number of gear teeth; and an output unit for outputting rotary speed changed in speed by the driving gears and the driven gears.
F16H 3/089 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
F16H 61/02 - Control functions within change-speed- or reversing-gearings for conveying rotary motion characterised by the signals used
F16H 61/684 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for stepped gearings without interruption of drive
A bicycle transmission hub includes: a hub shaft to input a rotation force is input, the hub shaft having first pawls arranged on the outer peripheral surface thereof; a transmission controller for controlling the first pawls to appear and disappear; driving gears, each having a ratchet formed on the inner peripheral surface thereof to receive a rotation force by the first pawls, the driving gears having a different number of teeth, the hub shaft extending through the center of each driving gear; driven gears engaged with the driving gears, respectively, having a different number of teeth, and rotating; an output wheel rotating while being coupled to a driving gear adjacent thereto among the driving gears and having a second pawl disposed on the outer peripheral surface thereof; and a hub shell having a ratchet formed on the inner peripheral surface thereof to receive a rotation force by the second pawl.
B62M 11/16 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the ground-wheel hub
B62M 25/04 - Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers hand actuated
B60B 27/02 - Hubs adapted to be rotatably arranged on axle
B60B 27/04 - Hubs adapted to be rotatably arranged on axle housing driving means, e.g. sprockets
F16H 3/66 - Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
B62M 11/06 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with spur gear wheels
F16H 63/18 - Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism the final actuating mechanism comprising cams
3.
MULTI-SPEED TRANSMISSION OF MOTOR FOR TRANSPORTATION MEANS
The present invention relates to a multi-speed transmission, having three or more speeds, of a motor for a transportation means and, more specifically, to a multi-speed transmission, of a motor for a transportation means, which does not have a complicated hydraulic apparatus and the like and thus has a simple structure, does not consume energy for gear shifts, does not cause shift shock and enables unconstrained design and manufacture in desired number of speeds and transmission ratio. The transmission for a motor according to the present invention comprises: an input shaft which receives the driving force of a motor and thus rotates, and has a mounting groove formed on the outer periphery; a plurality of pawls which are provided on the mounting groove, rotate with the input shaft and protract and retract from the outer peripheral surface of the input shaft; a controller for controlling the protraction and retraction of the pawls; a plurality of driving gears of which the center is passed through by the input shaft and which have ratchets on the inner peripheral surface such that the pawls, which protrude from the outer peripheral surface of the input shaft, interlock, and have varied number of teeth; a plurality of driven gears which are engaged with the driving gears, respectively, and have varied number of teeth; and an output portion for outputting a rotational force shifted by means of the driving gears and the driven gears.
F16H 3/089 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 7/102 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
The present invention relates to a multi-speed transmission, having three or more speeds, for a motor and, more specifically, to a transmission for a motor, which has a simple structure without a complicated hydraulic device and the like, has no shifting energy consumption, and can be freely designed and manufactured to have a desired number of speeds and a desired transmission gear ratio without shifting shock. The transmission of the present invention comprises: an input shaft rotated by a driving force transmitted from a motor and including a plurality of pawls disposed on the outer circumferential surface thereof; a controller for controlling the protrusion and retraction of the pawls; a plurality of driving gears through the centers of which the input shaft passes, which have ratchets formed on the inner circumferential surfaces thereof so as to be engaged with the pawls, and which are different in the number of gear teeth; a plurality of driven gears which are externally meshed with the driving gears and are different in the number of gear teeth; and an output unit for outputting a shifted rotational force obtained by the driving gears and the driven gears.
F16H 3/089 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 7/102 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
A bicycle transmission hub according to the present invention comprises: a hub shaft to which a rotation force is input, the hub shaft having a plurality of first pawls arranged on the outer peripheral surface thereof; a transmission control means for controlling the first pawls to appear and disappear; a plurality of driving gears, each of which has a ratchet formed on the inner peripheral surface thereof to receive a rotation force transferred by the first pawls, the driving gears having a different number of teeth, the hub shaft extending through the center of each of the driving gears; a plurality of driven gears, which are engaged with the driving gears, respectively, have a different number of teeth, and rotate while being coupled to each other; an output wheel, which rotates while being coupled to a driving gear adjacent thereto among the driving gears and has a second pawl disposed on the outer peripheral surface thereof; and a hub shell, which has a wheel spoke connected thereto and has a ratchet formed on the inner peripheral surface thereof to receive a rotation force transferred by the second pawl.
B62M 11/06 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with spur gear wheels
B62M 25/04 - Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers hand actuated
B60B 27/02 - Hubs adapted to be rotatably arranged on axle
B62M 11/16 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the ground-wheel hub
6.
TRANSMISSION HUB DIRECTLY DRIVEN BY CRANK AND BICYCLE INCLUDING SAME
The present invention relates to a transmission hub directly driven by a crank and a bicycle including the same and, more specifically, to a transmission hub that is driven by a crank directly connected to a hub shaft without a transmission apparatus, such as a chain, which transmits the rotating force of the crank to the hub, and a bicycle including the same. The transmission hub directly driven by the crank, according to the present invention, comprises: a hub shell to which spokes are connected; a hub shaft which is provided in the center of the hub shell and to which a crank is connected and the rotating force of the crank is input; an integral gear that is provided between the hub shaft and the hub shell and transmits the rotating force, which is input through the hub shaft, to the hub shell; and fixed axles provided on opposite sides of the hub shell and fixed to a frame.
B62M 1/38 - Rider propulsion of wheeled vehicles with rotary cranks, e.g. with pedal cranks for directly driving the wheel axle
B62M 11/16 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the ground-wheel hub
B62M 3/00 - Construction of cranks operated by hand or foot
patents
