CN102501939B - Pedal electric power-assisted bicycle with transmission integration and without manual speed regulation - Google Patents
Pedal electric power-assisted bicycle with transmission integration and without manual speed regulation Download PDFInfo
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- CN102501939B CN102501939B CN 201110346421 CN201110346421A CN102501939B CN 102501939 B CN102501939 B CN 102501939B CN 201110346421 CN201110346421 CN 201110346421 CN 201110346421 A CN201110346421 A CN 201110346421A CN 102501939 B CN102501939 B CN 102501939B
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Abstract
The invention discloses a pedal electric power-assisted bicycle with transmission integration and without manual speed regulation, comprising a frame, wheels, a handlebar, a pedal transmission mechanism and an electric transmission mechanism for driving the wheels, and a pedal torque sensing mechanism, wherein the controller of the pedal torque sensing mechanism is disposed on the handlebar; the pedal transmission mechanism comprises a pedal central shaft, a chain wheel shaft and a central shaft planetary gear speed redactor; the electric transmission mechanism comprises a high-speed power-assisted motor, a chain wheel shaft and a motor planetary gear speed redactor; a chain disc on the chain wheel shaft is connected with the flywheel of the rear wheel via a chain; the pedal transmission mechanism, the electric transmission mechanism and the pedal torque sensing mechanism are intensively formed to be a central transmission mechanism using the high-speed power-assisted motor as a main body; and the triangular support and the rear fork of the frame are connected to the shell of the high-speed power-assisted motor. The pedal electric power-assisted bicycle with transmission integration and without manual speed regulation disclosed by the invention simplifies the structure of transmission mechanism and enables the spatial installation position of transmission mechanism to be reduced and suitable for installation for transmission mechanism on the frame of traditional bicycle; and the pedal electric power-assisted bicycle with transmission integration and without manual speed regulation is good in universality.
Description
(1) technical field:
The present invention relates to the pedal and electric morpet, be specially a kind of transmission integrated form without manual governing pedal and electric morpet.
(2) background technology:
The development experience of bicycle bicycle-Electrical Bicycle--the process of pedal electric bicycle-electric boosted bicycle.Electric boosted bicycle as newest fruits is actually take foot-operated as main, and motor is as the auxiliary bicycle that carries out the booster type driving, this bicycle is in the situation that without the electric boosted 10km distance of carrying out when riding, its speed, physical consumption are all just the same with ordinary bicycle, under electric boosted state, when riding, motor only responds foot-operated stress signal and gives corresponding power-assisted promotion, thereby reduces bicyclist's physical consumption.
be the resistance that prevents that cutting magnetic line from producing, existing electric boosted bicycle motor used, be different from traditional big hub formula motor, but be independent of the high-speed power assisting motor of rotation shaft of wheel, it is the patent of invention of 200810030374.2 " a kind of electric power-assisted bike pedal moment sensing system " as application number, high-speed power assisting motor is installed on vehicle frame in foot-operated axis postposition, pedal moment induction mechanism by toothed belt transmission between high-speed power assisting motor and foot-operated axis is connected, the pedal moment induction mechanism is the epicyclic transmission mechanism with inductor, the running moment size that the inductor induction is foot-operated also is sent to the microelectronics treater with the moment high low signal, control high-speed power assisting motor by the microelectronics treater and export the rotative power that is complementary with the moment size.
Described " a kind of electric power-assisted bike pedal moment sensing system " patent of invention is because the dispersion of transmission device is not concentrated, thereby cause the complexity of transmission device, and body frame structure for automotive must particular design to adapt to the installation site of high-speed power assisting motor, cause the commonality of vehicle frame poor, manufacturing cost increases, and complete vehicle weight is large and profile is not attractive in appearance.
(3) summary of the invention:
The purpose of this invention is to provide that a kind of transmission device is more brief, the simpler transmission integrated form of body frame structure for automotive form is without manual governing pedal and electric morpet.
can realize that the transmission integrated form of above-mentioned purpose is without manual governing pedal and electric morpet, comprise vehicle frame, wheel, handlebar, drive pedal transmission mechanism and the electric transmissio mechanism of rear wheel and detect pedal transmission mechanism moment size and then the pedal moment sensing mechanism of control electric transmissio mechanism horsepower output size, the controller of pedal moment sensing mechanism is located on handlebar, described pedal transmission mechanism comprises foot-operated axis, sprocket shaft and the retarder that connects foot-operated axis and sprocket shaft, described electric transmissio mechanism comprises high-speed power assisting motor, the retarder of sprocket shaft and connection high-speed power assisting motor output shaft and sprocket shaft (sharing with pedal transmission mechanism), chain drum on described sprocket shaft connects the flywheel of rear wheel by chain, difference is described pedal transmission mechanism, electric transmissio mechanism is that concentrated setting becomes the mid-transmission device take high-speed power assisting motor as main body with the pedal moment sensing mechanism, the spider of described vehicle frame and back vent are connected on the casing of high-speed power assisting motor.
High-speed power assisting motor in described mid-transmission device is hollow shaft motor, its output shaft is quill shaft, described sprocket shaft is axle sleeve structure, and sprocket shaft rotates and is placed in output shaft, and the retarder between sprocket shaft and output shaft is the motor planetary wheel decelerator that arranges in high-speed power assisting motor one side; Foot-operated axis rotates and is placed in the axis hole of sprocket shaft, and the retarder between foot-operated axis and sprocket shaft is the axis planet wheel decelerator that arranges in the high-speed power assisting motor opposite side.
A kind of structure of described motor planetary wheel decelerator comprises motor sun gear, motor planetary gear, motor planetary frame and motor planetary wheel internal gear, described motor sun gear is with the mouth that is located in output shaft, described motor planetary gear is uniform to be engaged between motor sun gear and motor planetary wheel internal gear, and described motor planetary frame is by motor overriding clutch connection chain wheel shaft; A kind of structure of described axis planet wheel decelerator comprises axis sun gear, axis planetary wheel, axis pinion carrier and axis satellite gear internal gear, described axis pinion carrier connects foot-operated axis by the axis overriding clutch, the axis planetary wheel is uniform to be engaged between axis sun gear and axis satellite gear internal gear, and the axis sun gear is coaxial to be connected with sprocket shaft.
The output shaft mouth of described high-speed power assisting motor is gear type, it is also the motor sun gear in the motor planetary change-speed box, during the output shaft rotation, the drive motor planet wheel decelerator, motor planetary frame after slowing down is with low speed rotation, the motor planetary frame is by motor overriding clutch driving chain wheel shaft, driven simultaneously rotation with the chain drum of the coaxial close-fitting of sprocket shaft, and the sprocket wheel of rotation moves ahead vehicle by the chain drive rear wheel.
Owing to being provided with the axis overriding clutch between sprocket shaft and foot-operated axis, when chain drum rotates and foot-operated axis be in mutually not interference state, when chain drum is subject to the rear wheel load stress, namely pass sprocket shaft back by the motor overriding clutch, sprocket shaft is passed to the axis overriding clutch by the axis planet wheel decelerator, axis overriding clutch and foot-operated axis are the one-way clutch interlocks, be subject to as long as the applied stress that foot-operated axis receives can overcome chain drum the resistance that rear wheel produces, vehicle just travels forward.
a kind of structure of described pedal moment induction mechanism comprises the sensing rolling disc, swing arm, sensor and controller, sensing rolling disc and the coaxial setting of axis satellite gear internal gear with retracing spring, make the circumference of axis satellite gear internal gear have the amount of spin of spending less than 15 through setting, and uniformly on its outer shroud circumference offer local driving cog, swing arm is around the uniform setting of sensing rolling disc, corresponding and the engagement of the balance staff axle tooth of each local driving cog and each swing arm, the fluted disc engagement of the sector of each swing arm and sensing rolling disc, controller connects sensor and the high-speed power assisting motor of induction sensing turn disc amount.
When riding, the stressed rotation of axis satellite gear internal gear, local driving cog i.e. synchronous the rotation, local driving cog drives swing arm and swings, the sector oscillating quantity of swing arm obtains multiple amplifies, and the sector of swing arm drives fluted disc makes the sensing rolling disc overcome the torsion rotation of retracing spring, and the amount of spin that the sensing rolling disc is exaggerated is flutterred by sensor and caught, thereby realized that the linear torque signals that sensor produces when riding carries out Real-time Collection, and guaranteed the precision that gathers.
Under riding condition, the working state signal of high-speed power assisting motor is to be sent by controller (microelectronics treater) by the pedal moment induction mechanism, the sensing electricity of controller is the signal kinetic potential frequently, the axis overriding clutch acquisition of signal mechanism that source and foot-operated axis link mutually, and the stress signal linear dynamic range that starts depends on that the bicyclist is to the size of the bicycle pedals application of force.Need not when electric boosted only riding with physical efficiency, owing to being provided with the motor overriding clutch between high-speed power assisting motor output shaft and sprocket shaft, moment of torsion by foot-operated axis transmission is separated by the motor overriding clutch, high-speed power assisting motor remains static fully, the resistance of having avoided the drive motor rotor to produce rides vehicle free and relaxed.
When the elastic stress capable of regulating of the retracing spring of sensing rolling disc, different elastic stress values can make foot-operated riding, the application of force of assist motor is than producing linear change, the pattern of riding of man-machine integration when Moped Scooter is ridden in real realization.
A kind of form of described sensor comprises inductor and inductive head, and inductor is located at the deep-slotted chip breaker two ends of offering on the sensing rolling disc, and inductive head is located in deep-slotted chip breaker.
Advantage of the present invention:
1, transmission integrated form of the present invention is configured in the bicycle pedal central axis position because its foot-operated transmission, motor transmission system and moment induction system are integrated without manual governing pedal and electric morpet, and occur with the form of mid-transmission device, thereby simplified the structure of transmission device, transmission device space mounting position is reduced, alleviated complete vehicle weight, be suitable for installing on the vehicle frame of standard bicycle, universal performance is good.
2, drive system structure of the present invention is terse, excellent performance is reliable, and manufacturability is good, drive organically but mutually noninterfere has high driving efficiency of electric force aid system and physical efficiency.
3, pedal moment sensing mechanism of the present invention is different from the prior art mode fully, adopt swing arm around the uniform setting of electrical axis, and form interlock with axis satellite gear internal tooth outside circle round stress point, make foot-operated mechanical kinetic potential multiplying power with torque sensor linear signal collection point realize that geometric series amplifies, sensor signal is precisely steady, for the electric machine control processing terminal provides accurate moment variable signal.
4, the highway test result shows on the spot in the present invention: 75～90Km but the battery power-assisted of a 24V/8Ah of use is ridden, when riding with common comparing property of bicycle under the condition of 30Km non helping hand state (firmly return to change and ride), the key index such as the speed of a motor vehicle and physical consumption result and ordinary bicycle are without the slightest difference, and this is that general Moped Scooter is very inaccessible.
(4) description of drawings:
Fig. 1 is the perspective view of mid-transmission device in the present invention.
Fig. 2 is the inner structure schematic diagram of Fig. 1.
Fig. 3 is the sectional perspective constructional drawing of pedal moment induction mechanism in Fig. 1.
Fig. 4 is the sectional perspective constructional drawing (from another visual angle) of pedal moment induction mechanism in Fig. 1.
Fig. 5 is the site plan of sensing rolling disc and inductor in Fig. 3, Fig. 4.
Figure number sign: 1, inductive head; 2, inductor; 3, swing arm; 4, sensing rolling disc; 5, foot-operated axis; 6, sprocket shaft; 7, high-speed power assisting motor; 8, mid-transmission device; 9, output shaft; 10, motor sun gear; 11, motor planetary gear; 12, motor planetary frame; 13, motor planetary wheel internal gear; 14, axis sun gear; 15, axis planetary wheel; 16, axis pinion carrier; 17, axis satellite gear internal gear.
(5) specific embodiment:
Now by reference to the accompanying drawings technical scheme of the present invention is described further:
transmission integrated form of the present invention comprises vehicle frame as tradition without manual governing pedal and electric morpet without manual governing pedal and electric morpet, support frame (front, wheel afterwards), rotate the handlebar of front vehicle wheel, drive pedal transmission mechanism and electric transmissio mechanism and the pedal moment sensing mechanism (detect the moment size of pedal transmission mechanism and then control electric transmissio mechanism horsepower output size) of rear wheel, the controller of pedal moment sensing mechanism is located on handlebar, described pedal transmission mechanism comprises foot-operated axis 5, sprocket shaft 6 and the retarder that connects foot-operated axis 5 and sprocket shaft 6, described electric transmissio mechanism comprises high-speed power assisting motor 7, sprocket shaft 6 (sharing with pedal transmission mechanism) and the retarder that is connected high-speed power assisting motor output shaft 9 and sprocket shaft 6, chain drum on described sprocket shaft 6 connects the flywheel of rear wheel by chain, the present invention is different with it is described pedal transmission mechanism, electric transmissio mechanism is that concentrated setting becomes the mid-transmission device 8 take high-speed power assisting motor 7 as main body with the pedal moment sensing mechanism, the output shaft 9 of described high-speed power assisting motor 7 is quill shaft, described sprocket shaft 6 is axle sleeve structure, the spider of described vehicle frame and back vent are connected on the casing of high-speed power assisting motor 7, as shown in Figure 1.
the retarder of described motor transmission mechanism is the motor planetary wheel decelerator, sprocket shaft 6 is installed in output shaft 9 by bearing, sprocket shaft 6 ends of stretching out output shaft 9 mouths are the chain drum installation site, described motor planetary wheel decelerator is located between output shaft 9 and sprocket shaft 6, the motor planetary wheel decelerator comprises motor sun gear 10, motor planetary gear 11, motor planetary frame 12 and motor planetary wheel internal gear 13, motor planetary wheel internal gear 13 inlay cards are in high-speed power assisting motor 7 side shell framves, coaxial output shaft 9 mouths that are fixed on of motor sun gear 10, three uniform being engaged between motor sun gear 10 and motor planetary wheel internal gear 13 of motor planetary gear 11, the mounting bracket of motor planetary gear 11 is that motor planetary frame 12 is connected with sprocket shaft 6 installations by the motor overriding clutch, as Fig. 1, shown in Figure 2.
the retarder of described pedal transmission mechanism is the axis planet wheel decelerator, foot-operated axis 5 runs through in the axle sleeve that is installed on sprocket shaft 6 by bearing, the axis planet wheel decelerator is located at high-speed power assisting motor 7 opposite sides, the axis planet wheel decelerator is mainly by axis sun gear 14, axis planetary wheel 15, axis pinion carrier 16 and axis satellite gear internal gear 17 consist of, the mounting bracket of axis planetary wheel 15 is that axis pinion carrier 16 connects foot-operated axis 5 by the axis overriding clutch, three uniform being engaged between axis sun gear 14 and axis satellite gear internal gear 17 of axis planetary wheel 15, axis satellite gear internal gear 17 passes through the draw-in groove inlay card in the bayonet socket of high-speed power assisting motor 7 side shell framves, the draw-in groove circumferential length is greater than bayonet socket, guarantee the amount of spin that axis satellite gear internal gear 17 has less than 15 degree on circumference, as Fig. 1, Fig. 2, shown in Figure 3.
described pedal moment induction mechanism comprises sensing rolling disc 4, fan-shaped swing arm 3, sensor and controller, described sensing rolling disc 4 is in the 17 coaxial settings in the outside of axis satellite gear internal gear, uniform three at the circumferencial direction of sensing rolling disc 4 of described swing arms 3, the rotating shaft position correspondence of swing arm 3 the local driving cog of the indent of offering on axis satellite gear internal gear 17 outer ring surfaces, each local driving cog and the 3 balance staff axle teeth engagements of corresponding swing arm, the covering of the fan tooth of each swing arm 3 and the engagement of the fluted disc of sensing rolling disc 4, described sensing rolling disc 4 has the return function of being controlled by retracing spring, described sensor is interactional inductor 2 and inductive head 1, offer one section concentric deep-slotted chip breaker on sensing rolling disc 4, inductor 2 is located at deep-slotted chip breaker two, inductive head 1 is set up in midway location in deep-slotted chip breaker by propping up, described controller by connection between sensor and high-speed power assisting motor 7, as Fig. 3, Fig. 4, shown in Figure 5.
The process of riding of the present invention:
1, only ride with foot-operated.
Closing controller, the control path of cut-out high-speed power assisting motor 7.Pin is stepped on foot-operated foot-operated axis 5 rotations that make, and rotates by axis planet wheel decelerator driving chain wheel shaft 6, and the chain drum on sprocket shaft 6 rotates by the chain-driving rear wheel vehicle is moved ahead.Ride in the shape process, high-speed power assisting motor 7 remains static, the resistance of having avoided the drive motor rotor to produce, and vehicle is ridden free and relaxed.
2, need power-assisted to ride.
Opening controller, the control path of connection high-speed power assisting motor 7.Pin is stepped on foot-operated foot-operated axis 5 rotations that make, and rotates by axis planet wheel decelerator driving chain wheel shaft 6, and the chain drum on sprocket shaft 6 rotates by the chain-driving rear wheel vehicle is moved ahead.meanwhile, the axis satellite gear internal gear 17 of axis planet wheel decelerator produces circumferential displacement, swing arm 3 swings, driving sensing rolling disc 4 rotates, distance between inductor 2 and inductive head 1 changes and produces electric signal, after the electric signal via controller is processed, send instruction to high-speed power assisting motor 7, the output shaft 9 of high-speed power assisting motor 7 rotates, output shaft 9 is by motor planetary wheel decelerator driving chain wheel shaft 6, the torque of the power torque of high-speed power assisting motor 7 and foot-operated axis 5 is superimposed on sprocket shaft 6, thereby make sprocket shaft 6 obtain larger torque, vehicle is ridden shape fast.
The power torque size of high-speed power assisting motor 7 is determined by the application of force size of foot-operated axis 5, step at a slow speed foot-operated axis 5, distance of reaction between inductor 2 and inductive head 1 is less, the power torque that high-speed power assisting motor 7 is sent is smaller, improve the speed of stepping on foot-operated axis 5, distance of reaction between inductor 2 and inductive head 1 increases, and the power torque that high-speed power assisting motor 7 is sent increases.The application of force of foot-operated axis 5 reduces in process gradually, effect due to retracing spring, sensing rolling disc 4 and 17 while of axis satellite gear internal gear return, the distance of reaction between inductor 2 and inductive head 1 reduces, and the power torque that high-speed power assisting motor 7 is sent reduces thereupon.
When the elastic stress capable of regulating of described retracing spring, different elastic stress values can make foot-operated riding, the application of force of assist motor is than producing linear change.
Claims (3)
1. the transmission integrated form is without manual governing pedal and electric morpet, comprise vehicle frame, wheel, handlebar, the pedal moment sensing mechanism that drives pedal transmission mechanism and the electric transmissio mechanism of wheel and detect moment size and then the control electric transmissio mechanism horsepower output size of pedal transmission mechanism, the controller of pedal moment sensing mechanism is located on handlebar, described pedal transmission mechanism comprises foot-operated axis (5), sprocket shaft (6) and the retarder that connects foot-operated axis (5) and sprocket shaft (6), described electric transmissio mechanism comprises high-speed power assisting motor (7), sprocket shaft (6) and the retarder that connects high-speed power assisting motor (7) output shaft (9) and sprocket shaft (6), chain drum on described sprocket shaft (6) connects the flywheel of rear wheel by chain, it is characterized in that: described pedal transmission mechanism, electric transmissio mechanism is that concentrated setting becomes the mid-transmission device (8) take high-speed power assisting motor (7) as main body with the pedal moment sensing mechanism, the spider of described vehicle frame and back vent are connected on the casing of high-speed power assisting motor (7), in described mid-transmission device (8), high-speed power assisting motor (7) is hollow shaft motor, its output shaft (9) is quill shaft, sprocket shaft (6) is axle sleeve structure, sprocket shaft (6) rotates and is placed in output shaft (9), and the retarder between sprocket shaft (6) and output shaft (9) is the motor planetary wheel decelerator that arranges in high-speed power assisting motor (7) one sides, foot-operated axis (5) rotates and is placed in the axis hole of sprocket shaft (6), and the retarder between foot-operated axis (5) and sprocket shaft (6) is the axis planet wheel decelerator that arranges in high-speed power assisting motor (7) opposite side, described pedal moment induction mechanism comprises sensing rolling disc (4), swing arm (3), sensor and controller, sensing rolling disc (4) and the coaxial setting of axis satellite gear internal gear (17) with retracing spring, the circumference of axis satellite gear internal gear (17) has the amount of spin less than 15 degree, and uniformly on its outer shroud circumference offer local driving cog, swing arm (3) is around the uniform setting of sensing rolling disc (4), corresponding and the engagement of the balance staff axle tooth of each local driving cog and each swing arm (3), the fluted disc engagement of the sector of each swing arm (3) and sensing rolling disc (4), controller connects sensor and the high-speed power assisting motor (7) of induction sensing rolling disc (4) amount of spin.
2. transmission integrated form according to claim 1 is without manual governing pedal and electric morpet, it is characterized in that: described motor planetary wheel decelerator comprises motor sun gear (10), motor planetary gear (11), motor planetary frame (12) and motor planetary wheel internal gear (13), described motor sun gear (10) is with the mouth that is located in output shaft (9), described motor planetary gear (11) is uniform to be engaged between motor sun gear (10) and motor planetary wheel internal gear (13), described motor planetary frame (12) is by motor overriding clutch connection chain wheel shaft (6), described axis planet wheel decelerator comprises axis sun gear (14), axis planetary wheel (15), axis pinion carrier (16) and axis satellite gear internal gear (17), described axis pinion carrier (16) connects foot-operated axis (5) by the axis overriding clutch, axis planetary wheel (15) is uniform to be engaged between axis sun gear (14) and axis satellite gear internal gear (17), and axis sun gear (14) is coaxial to be connected with sprocket shaft (6).
3. transmission integrated form according to claim 1 and 2 is without manual governing pedal and electric morpet, it is characterized in that: described sensor comprises inductor (2) and inductive head (1), inductor (2) is located at the deep-slotted chip breaker two ends of offering on sensing rolling disc (4), and inductive head (1) is located in deep-slotted chip breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110346421 CN102501939B (en) | 2011-11-04 | 2011-11-04 | Pedal electric power-assisted bicycle with transmission integration and without manual speed regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110346421 CN102501939B (en) | 2011-11-04 | 2011-11-04 | Pedal electric power-assisted bicycle with transmission integration and without manual speed regulation |
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| Publication Number | Publication Date |
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| CN102501939A CN102501939A (en) | 2012-06-20 |
| CN102501939B true CN102501939B (en) | 2013-11-06 |
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| CN 201110346421 Expired - Fee Related CN102501939B (en) | 2011-11-04 | 2011-11-04 | Pedal electric power-assisted bicycle with transmission integration and without manual speed regulation |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201430237A (en) * | 2013-01-25 | 2014-08-01 | li-he Yao | Automatic stepless speed change device of bicycles |
| CN104052196B (en) * | 2013-03-13 | 2017-08-25 | 宁波兴隆巨创机电科技有限公司 | A kind of motor on moped |
| CN107685828B (en) * | 2017-09-19 | 2023-03-24 | 八方电气(苏州)股份有限公司 | Stepless speed change transmission device for electric bicycle |
| CN109693496B (en) * | 2017-10-24 | 2024-01-23 | 广东洛梵狄智能科技有限公司 | Hub speed change device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5570752A (en) * | 1993-07-26 | 1996-11-05 | Yamaha Hatsudoki Kabushiki Kaisha | Transmission arrangement for electric power assisted bicycle |
| CN201151464Y (en) * | 2007-10-19 | 2008-11-19 | 韦建葵 | Speed-changing bicycle and rear axle planetary gear speed variator thereof |
| CN101332853A (en) * | 2007-06-29 | 2008-12-31 | 株式会社岛野 | Hub transmission for a bicycle |
| CN101638135A (en) * | 2009-09-02 | 2010-02-03 | 苏州工业园区同盛车业有限公司 | Speed and leg power sensing device of electric bicycle |
| JP2011051419A (en) * | 2009-08-31 | 2011-03-17 | Honda Motor Co Ltd | Electric vehicle |
| CN102161372A (en) * | 2010-02-22 | 2011-08-24 | 金碧波 | Infinitely variable automatic centrifugation transmission mechanism of electric motorcycle |
| CN202400243U (en) * | 2011-11-04 | 2012-08-29 | 陈戈平 | Drive integrated type non-manual speed adjustment pedal electrically-assisted bicycle |
-
2011
- 2011-11-04 CN CN 201110346421 patent/CN102501939B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5570752A (en) * | 1993-07-26 | 1996-11-05 | Yamaha Hatsudoki Kabushiki Kaisha | Transmission arrangement for electric power assisted bicycle |
| CN101332853A (en) * | 2007-06-29 | 2008-12-31 | 株式会社岛野 | Hub transmission for a bicycle |
| CN201151464Y (en) * | 2007-10-19 | 2008-11-19 | 韦建葵 | Speed-changing bicycle and rear axle planetary gear speed variator thereof |
| JP2011051419A (en) * | 2009-08-31 | 2011-03-17 | Honda Motor Co Ltd | Electric vehicle |
| CN101638135A (en) * | 2009-09-02 | 2010-02-03 | 苏州工业园区同盛车业有限公司 | Speed and leg power sensing device of electric bicycle |
| CN102161372A (en) * | 2010-02-22 | 2011-08-24 | 金碧波 | Infinitely variable automatic centrifugation transmission mechanism of electric motorcycle |
| CN202400243U (en) * | 2011-11-04 | 2012-08-29 | 陈戈平 | Drive integrated type non-manual speed adjustment pedal electrically-assisted bicycle |
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