CN107117252A - A kind of electric assisted bicycle - Google Patents
A kind of electric assisted bicycle Download PDFInfo
- Publication number
- CN107117252A CN107117252A CN201710308352.7A CN201710308352A CN107117252A CN 107117252 A CN107117252 A CN 107117252A CN 201710308352 A CN201710308352 A CN 201710308352A CN 107117252 A CN107117252 A CN 107117252A
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- bevel gear
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- shaft
- torsion bar
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- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims abstract description 3
- 230000009467 reduction Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M17/00—Transmissions characterised by use of rotary shaft, e.g. cardan shaft
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The invention discloses a kind of electric assisted bicycle, including pedal, crank, axis and bevel gear thereon, flywheel and bevel gear thereon, driving wheel, torsion bar is set on the power transmission shaft for the bicycle being driven in axle, power transmission shaft is divided into by front propeller shaft and inter-axle shaft by torsion bar, one end of front propeller shaft and inter-axle shaft connects torsion bar respectively, the other end is respectively provided with a bevel gear, the bevel gear gear motion on bevel gear and flywheel on bevel gear gear motion on bevel gear and axis wherein on front propeller shaft, inter-axle shaft；Measurement apparatus measures the deformation quantity of torsion bar by electromagnetism or optical mode, and the deformation quantity is converted into electric signal sent to controller, by the exercise power-assisted of controller controlled motor.The present invention is simple in construction, and the cost of the control power-assisted of Moped Scooter can be greatly reduced, and can measure effective pedal force of left and right pin, and have the characteristics of small volume, reliability are high, maintenance is easy.
Description
Technical field
The present invention relates to a kind of electric assisted bicycle, the electric assisted bicycle provides driving force by people's pushes pedals,
The motor of power-assisted can be provided by also having.
Background technology
Axle-driven bicycle technology is very ripe, and the public bicycles of Chengdu local government are permanent voluntarily using Shanghai
Car Co., Ltd it is totally-enclosed without chain axle-driven bicycle；Rub at present and visit shared bicycle and also use the transmission of totally-enclosed axle voluntarily
Car.It is closed without chain shaft transmission system Maintenance free, it is durable, be conducive to the popularization of public bicycles.But, visitd with rubbing certainly
Exemplified by driving, axle-driven bicycle deadweight is higher, and bicyclist feels heavy load when riding.Therefore need to axle-driven bicycle
Power-assisted.But currently without the technology that power-assisted is carried out for axle-driven bicycle.
Existing Moped Scooter, in power-assisted, is typically that the signal gathered from controller according to sensor is sent to motor
The driving force that control signal is exported with controlled motor.Conventional sensor one kind is to use wheel speed sensors, is sensed by wheel speed
Device gathers the rotating speed of vehicle using motor chain wheel or bicycle freewheel, and control signal is provided to motor, and its defect is：With bicycle descending
Exemplified by, descending be do not need power-assisted, even if but do not tread on plate now, chain wheel or bicycle freewheel are also rapidly revolving
Turn, therefore still continuing to provide power-assisted using the motor of the vehicle using motor of the principle, make the speed of the bicycle of speed quickly
It is more and more faster；And when bicycle goes up a slope, because the rotating speed of chain wheel or bicycle freewheel is slower, control the signal of assist motor
Power-assisted is not provided on the contrary to gather way, therefore can not realize real power-assisted.
Another is the torque sensor made using the askew effect of magnetic by torque sensor, and torque sensor is filled
Assigned on the bearing in the middle of the bent axle of vehicle using motor two, pass through collecting crankshaft moment of torsion, controlled motor output booster torquemoment, its technological deficiency
It is：Mechanism is complicated, and parts are more, and volume is big, and price is high.
The content of the invention
The technical problems to be solved by the invention are the defects for overcoming prior art, provide and help for the bicycle that axle is driven
Torsion bar is set on power, the power transmission shaft for the bicycle being driven in axle, pedal force is detected using the deformation of torsion bar, and implement by motor
Power-assisted, simple in construction, small volume, cost is low, and reliability is high.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of electric assisted bicycle, including pedal, crank, axis and bevel gear thereon, flywheel, driving wheel, it is characterized in that,
Torsion bar is set on the power transmission shaft for the bicycle being driven in axle, power transmission shaft is divided into by front propeller shaft and inter-axle shaft by torsion bar, it is preceding
One end of power transmission shaft and inter-axle shaft connects torsion bar respectively, and the other end is respectively provided with a bevel gear, the cone tooth wherein on front propeller shaft
The bevel gear gear motion on bevel gear and flywheel on wheel and the bevel gear gear motion on axis, inter-axle shaft；Measurement dress
Put and the deformation quantity of torsion bar is measured by electromagnetism or optical mode, and the deformation quantity is converted into electric signal and send to controller, by
The exercise power-assisted of controller controlled motor.
Further, the measurement apparatus is torque sensor, surveys torsional strain piece or strain-ga(u)ge transducer.
Further, motor of the motor for independent motor or comprising one speed reducer, decelerator can use The gear deceleration
Device, preferably by planetary reduction gear.
Further, motor is rotated by actuator drives inter-axle shaft, and inter-axle shaft passes through bevel gear driving thereon
Flywheel turns, are rotated by flywheel driving driving wheel.
Further, motor directs or through the actuator drives flywheel turns such as decelerator, and driving wheel is driven by flywheel
Rotate, or motor directs or through the transmission devices such as decelerator direct drive driving wheel and rotated.Driving wheel can be front-wheel
It can also be trailing wheel.
Further, the transmission device is belt transmission or gear drive.
Further, the motor includes relatively turnable motor fixed part and motor rotating part；Motor fixed part is by electricity
Machine is fixed on bicycle, and motor rotating part directs or through shaft joint or universal joint is arranged on inter-axle shaft indirectly, electricity
Driving inter-axle shaft is rotated when machine rotating part is rotated, and inter-axle shaft is rotated by bevel gear driving bicycle freewheel thereon, by
Bicycle freewheel driving bicycle driving wheel rotates further, and one is installed on front propeller shaft, inter-axle shaft or axis to pass through
External force changes the speed changer of gear.
Further, on axis an one-way clutch or unilateral bearing are set between bevel gear and axis.
Further, front propeller shaft, set on inter-axle shaft restricted torsion bar largest deformation amount stopping means.
Further, the position limiting structure include two it is engageable be plugged in together to be formed it is hollow, nibbling for torsion bar can be accommodated
Tooth framework is closed, two engaging tooth framework engagements have the rotary gap of a setting after being plugged in together, between the rotation that can be set
Gap rotates against for maximum rotating range.
Further, grafting can be engaged with another engaging tooth framework and be formed by least having 1 on each engaging tooth framework
Set the engaging tooth of rotary gap；Engaging tooth is circumferentially or arranged radially.
Bicycle of the present invention can have two kinds of mode of operations, the first：Bicyclist steps on pedal, and motor is provided and helped
Power, manpower and motor power-assisted are simultaneously deposited；Second：Power only is provided by motor, bicyclist passes through power modulating device regulation motor
The size of output torque.Therefore, electric bicycle of the present invention is also equipped with assistant mode switching device, and regulation motor is defeated
Go out the device of torque size.
Bicycle of the present invention is also equipped with adjusting the gearshift of planetary transmission gear.
Bicycle of the present invention is also equipped with operating display device, for setting assist rate gear, locking vehicle, showing
Show and transmit battery electric quantity, the information such as speed, assistant mode, gear, vehicle location.
The beneficial effect that the present invention is reached：
The bicycle that the present invention is driven for axle, installs torque sensor on power transmission shaft, is trampled using the deformation detecting of torsion bar
Power, torque sensor gathers the torque signal proportional to pedal force, and controller is according to the torque signal, and controlled motor output is auxiliary
Help moment of torsion to provide power-assisted for bicycle, drive bicycle running.The present invention is simple in construction, and Moped Scooter can be greatly reduced
The cost of power-assisted is controlled, effective pedal force of left and right pin can be measured, and it is easy with small volume, reliability height, maintenance
Feature.
Brief description of the drawings
Fig. 1 a are electric assisted bicycle of the motor of embodiment 1 by actuator drives inter-axle shaft mode；
Fig. 1 b are the electric assisted bicycle schematic diagrames of the mode of embodiment 1；
Fig. 2 is the electric assisted bicycle that embodiment 1 drives inter-axle shaft mode using gear drive
Fig. 3 is the electric assisted bicycle that embodiment 2 carries speed changer；
Fig. 4 is electric assisted bicycle of the motor of embodiment 3 by actuator drives flywheel mode；
Fig. 5 is the electric assisted bicycle of the motor direct-drive inter-axle shaft mode of embodiment 4；
Fig. 6 a are stopping means schematic diagrames；
Fig. 6 b are schematic diagrames when engaging tooth framework does not rotate；
Fig. 6 c are that engaging tooth framework is rotated to schematic diagram during maximum rotating range；
In figure, 1：Pedal/crank；2：Axis；21：Bevel gear；3：Flywheel；31：Bevel gear；4：Front propeller shaft；5：Inter-axle shaft；
6：Torque sensor；7：Torsion bar；8：Assist motor；9：Transmission device；91：Belt transmission；92：Gear drive；10：Controller；
11：Battery；12：Display operation annex；13：Speed changer；14：Engaging tooth framework；14-1：Rotary gap；14-2：Engaging tooth.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
The drawbacks of bicycle of Chain conveyer mode can be avoided using the bicycle of the axle kind of drive, with reduction failure
Rate, the advantages of improving transmission efficiency, therefore, the bicycle of the axle kind of drive gradually rises.And existing bicycle is helped
The mode of power is not suitable for the power-assisted of the bicycle to the axle kind of drive.
Therefore, the present invention axle be driven bicycle power transmission shaft on torsion bar is set, by power transmission shaft be divided into front propeller shaft, after
Power transmission shaft two parts, the two ends of torsion bar are connected with front propeller shaft, inter-axle shaft respectively.By measuring the deformation quantity of torsion bar, torsion bar
Deformation quantity be directly proportional to pedal force, deformation quantity is converted into electric signal, the deformation of the torsion bar reflected by the electric signal is detectd
Pedal force is surveyed, so that controlled motor implements power-assisted.Do not made improvements for the bicycle of the axle transmission structure unrelated with power-assisted.
Embodiment 1
As illustrated in figs. 1A and ib, arrow represents the steering of each axle in figure.In the present embodiment, measured and turned round using torque sensor 6
The moment of torsion of bar.The two ends of torsion bar 7 are connected with front propeller shaft 4, inter-axle shaft 5 respectively.
The pedal force being applied on pedal 1 or crank is transferred to axis 2 through crank, is passed by the bevel gear 21 on axis 2
Front propeller shaft 4 is delivered to, elastic deformation occurs for the torsion bar 7 between front propeller shaft 4 and inter-axle shaft 5, torque sensor 6 detects this
Deformation quantity, and this is included trample the deformation signal of force information and be converted into electric signal and pass to controller 10, controller 10 according to
The output torque of algorithm controlled motor 8 of setting, the moment of torsion is driven after being driven by decelerator or directly by transmission device 9
Axle 5 is rotated, and inter-axle shaft 5 is meshed by bevel gear thereon with the bevel gear 31 on flywheel 3 drives flywheel 3 to rotate, by certainly
The driving bicycle driving wheel of flywheel 3 of driving a vehicle is rotated.It is that the motor used drives inter-axle shaft by transmission device 9 in this embodiment
5 driving structures rotated.
An one-way clutch or unilateral bearing also can be set between bevel gear 21 and axis 2 on axis 2, axis 2 rotates
During motion, one-way clutch or unilateral bearing are in lockup state, and pedal force is passed to by one-way clutch or unilateral bearing
Bevel gear 21；When the rotating speed of bevel gear 21 is higher than the rotating speed with axis 2, one-way clutch or unilateral bearing are in unblock shape
State, makes bevel gear 21 can be with free movement.
It is preferred that the two ends of torque sensor 6 using shaft coupling realize torsion bar 7 and front propeller shaft 4, inter-axle shaft 5 it
Between connection.
In other embodiments, can also be using survey torsional strain piece or strain-ga(u)ge transducer measurement Torsion rod.Turning round
The surface of bar 7 or internal setting foil gauge, constitute measuring bridge by foil gauge, cause after elastic shaft is produced micro-strain by moment of torsion
Bridge resistor value changes, change transitions the changing so as to realize the torque measurement of torsion bar for electric signal of bridge resistor.
In the present embodiment, transmission device 9 uses belt transmission 91, is driven during the output shaft rotation of motor by belt transmission 91
Dynamic inter-axle shaft 5 is rotated.In other embodiments, other transmission devices 9 can also be used, as shown in Figure 2, it would however also be possible to employ
Gear drive 92, drives inter-axle shaft 5 to rotate during the output shaft rotation of motor by gear drive 92.
Decelerator can use gear reduction unit, preferably by planetary reduction gear.
Controller 10 provides working power by battery 11.It can also be arranged on including one on electric assisted bicycle and be easy to behaviour
Make or observe the display operation annex 12 of its display information, display operation annex 12 sets motor according to the control of controller 10 and helped
Power is than gear, locking vehicle, display and the corresponding information such as transmission electricity, gear selection, the state of dynamo battery, vehicle location.
The bicycle assist type is applied to enter for the foot-operated or hand driven bicycle of two-wheeled or three-wheel or more wheels
Row power-assisted.
Embodiment 2
As shown in figure 3, on the basis of embodiment 1, in the present embodiment, speed changer 13, speed changer are also equipped with inter-axle shaft 5
Gear is changed by external force, inter-axle shaft 5 is divided into front and rear portions by the speed changer of variable gear, the input shaft of speed changer is with after
The front portion of power transmission shaft 5 is connected, and rotates with, and the output shaft of speed changer is connected with the rear portion of inter-axle shaft 5.
The output shaft of motor 8 drives the front portion of inter-axle shaft 5 by gear reduction unit or directly by transmission device 9,
By the rear portion of drive inter-axle shaft 5 after speed changer 13 and bevel gear thereon, the bevel gear driving bicycle freewheel 3 is rotated,
The rotation driving bicycle driving wheel of bicycle freewheel 3 is rotated.
Similarly, speed changer can also be arranged on front propeller shaft.
In other embodiments, speed changer can also be arranged on axis 2.The input shaft of speed changer is connected with crank,
And rotated with crank, the output shaft of speed changer is connected with the bevel gear 21 on axis 2, and speed changer changes gear by external force.
Speed changer 13 is preferred to use planetary gear set transmission.
Remaining is same as Example 1.
Embodiment 3
As shown in figure 4, in the present embodiment, compared with Example 1, the driving structure of motor is different, and motor is straight by transmission device 9
Connect driving bicycle freewheel or driving wheel is rotated.The pedal force being applied on pedal 1 or crank is transferred to axis 2 through crank,
Front propeller shaft 4 is delivered to by the bevel gear 21 on axis 2, elasticity occurs for the torsion bar 7 between front propeller shaft 4 and inter-axle shaft 5
Deformation, torque sensor 6 detects the deformation quantity, and this is converted into electric signal transmission comprising the deformation signal for trampling force information
To controller 10, controller 10 according to setting the output torque of algorithm controlled motor 8, the moment of torsion can by gear reduction unit or
Directly directly drive bicycle freewheel by transmission device 9 to rotate or driving wheel, driving wheel can be after front-wheel can also be
Wheel.
Remaining is same as Example 1.
Embodiment 4
As shown in figure 5, in the present embodiment, compared with Example 1, the driving structure of motor is different, and motor directly or indirectly drives
Inter-axle shaft 5 is rotated.The pedal force being applied on pedal 1 or crank is transferred to axis 2 through crank, passes through the cone tooth on axis 2
Wheel 21 is delivered to front propeller shaft 4, and elastic deformation occurs for the torsion bar 7 between front propeller shaft 4 and inter-axle shaft 5, and torque sensor 6 is detectd
The deformation quantity is measured, and this is converted into electric signal comprising the deformation signal for trampling force information and passes to controller 10, controller
10 according to setting algorithm controlled motor 8, motor 8 include relatively turnable motor fixed part 8-1 and motor rotating part 8-2；
Motor 8 is fixed on electric assisted bicycle by motor fixed part 8-1, and motor rotating part 8-2 is controlled to rotate defeated by controller 10
Go out moment of torsion, motor rotating part 8-2 directs or through shaft joint, universal joint drive inter-axle shaft 5 and rotated, and inter-axle shaft 5 passes through
Bevel gear driving bicycle freewheel thereon is rotated, and drives bicycle driving wheel to rotate by bicycle freewheel.
Remaining is same as Example 1.
Embodiment 5
As shown in Figure 6 a, in previous embodiment 1- embodiments 4, in order to protect torsion bar, prevent from damaging when torsional deflection amount is excessive
Position limiting structure is provided with torsion bar, the present embodiment.Position limiting structure include two it is engageable be plugged in together to be formed it is hollow, can hold
Receive the engaging tooth framework 14 of torsion bar, torque sensor and shaft coupling, two engagements of engaging tooth frameworks 14 have after being plugged in together
The rotary gap 14-1 of one setting, can be rotated against using the rotary gap 14-1 set as maximum rotating range.
At least there is 1 engaging tooth 14-2 on each engaging tooth framework, so as to be engaged with another engaging tooth framework
Grafting simultaneously forms setting rotary gap, and engaging tooth can be the engaging tooth 14-2 circumferentially arranged in Fig. 6 a, or edge
Arranged radially is into engageable grafting and the mode that rotates against.
Two engaging tooth frameworks 14 are corresponding respectively to be fastened on front propeller shaft 4, one end of inter-axle shaft 5, Huo Zhezhi
Front propeller shaft 4, one end of inter-axle shaft 5 is connected on to process respectively and form one of engaging tooth framework.
Torsion bar 7 is connected with front propeller shaft 4, inter-axle shaft 5, the torque of front propeller shaft 7 is delivered into inter-axle shaft 5, simultaneously
Due to the effect of torque, torsion bar 7 twists deformation, during deformation quantity very little, front propeller shaft 4, the engaging tooth framework of inter-axle shaft 5
There are rotary gap 14-1, such as Fig. 6 b between 14, both torques are only transmitted by torsion bar 7.When torque becomes big, the deformation quantity of torsion bar 7 increases,
Engaging tooth framework 14 on front propeller shaft 4, inter-axle shaft 5, which is rotated up to offset after the rotary gap of setting, no longer to be rotated, and is such as schemed
6c, the deformation quantity of torsion bar 7 is not further added by, so as to protect torsion bar 7.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these improve and deformed
Also it should be regarded as protection scope of the present invention.
Claims (11)
1. a kind of electric assisted bicycle, including pedal, crank, axis and bevel gear thereon, flywheel and bevel gear thereon,
Driving wheel, it is characterized in that, torsion bar is set on the power transmission shaft for the bicycle being driven in axle, power transmission shaft is divided into by driving front by torsion bar
One end of axle and inter-axle shaft, front propeller shaft and inter-axle shaft connects torsion bar respectively, and the other end is respectively provided with a bevel gear, wherein before
The bevel gear on bevel gear and flywheel on bevel gear gear motion on bevel gear and axis on power transmission shaft, inter-axle shaft nibbles
Resultant motion；Measurement apparatus measures the deformation quantity of torsion bar by electromagnetism or optical mode, and the deformation quantity is converted into electric signal hair
Controller is delivered to, by the exercise power-assisted of controller controlled motor.
2. electric assisted bicycle according to claim 1, it is characterized in that, the measurement apparatus is angular transducer, surveyed
Torsional strain piece or strain-ga(u)ge transducer.
3. electric assisted bicycle according to claim 1, it is characterized in that, the motor is independent motor or includes one
The motor of decelerator, the decelerator can use gear reduction unit, more preferably using planetary reduction gear.
4. the electric assisted bicycle according to claim 1 or 3, it is characterized in that, motor after actuator drives by passing
Moving axis is rotated, and inter-axle shaft is rotated by bevel gear driving flywheel turns thereon by flywheel driving driving wheel.
5. the electric assisted bicycle according to claim 1 or 3, it is characterized in that, motor passes through actuator drives flywheel
Rotate, rotated by flywheel driving driving wheel；Or motor directly drives driving wheel by transmission device and rotated.
6. the electric assisted bicycle according to claim 4 or 5, it is characterized in that, the kind of drive of the transmission device is
Belt transmission or gear drive.
7. the electric assisted bicycle according to claim 1 or 3, it is characterized in that, the motor includes relatively turnable
Motor fixed part and motor rotating part；Motor is fixed on bicycle by motor fixed part, and motor rotating part is directed or through
Shaft joint or universal joint are arranged on inter-axle shaft indirectly, and driving inter-axle shaft is rotated when motor rotating part is rotated, inter-axle shaft
By bevel gear driving flywheel turns thereon, rotated by flying two-wheel driving bicycle driving wheel.
8. electric assisted bicycle according to claim 1, it is characterized in that, on front propeller shaft, inter-axle shaft or axis
The speed changer of gear can be changed by external force by installing one.
9. electric assisted bicycle according to claim 1, it is characterized in that, set between the bevel gear and axis on axis
One one-way clutch or unilateral bearing.
10. electric assisted bicycle according to claim 1, it is characterized in that, set limited on front propeller shaft, inter-axle shaft
The stopping means of the largest deformation amount of torsion bar processed.
11. electric assisted bicycle according to claim 10, it is characterized in that, the position limiting structure is engageable including two
It is plugged in together to form engaging tooth framework hollow, that torsion bar can be accommodated, two engaging tooth framework engagements have after being plugged in together
Have a rotary gap of a setting, two engaging tooth frameworks can the rotary gap that set to be that maximum rotating range is relative revolve
Turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710308352.7A CN107117252A (en) | 2017-05-04 | 2017-05-04 | A kind of electric assisted bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710308352.7A CN107117252A (en) | 2017-05-04 | 2017-05-04 | A kind of electric assisted bicycle |
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| CN107117252A true CN107117252A (en) | 2017-09-01 |
Family
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| CN201710308352.7A Pending CN107117252A (en) | 2017-05-04 | 2017-05-04 | A kind of electric assisted bicycle |
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| CN (1) | CN107117252A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110155241A (en) * | 2018-02-11 | 2019-08-23 | 门德君 | Electric bicycle transmission device and the electric bicycle of axis transmission |
| CN112298447A (en) * | 2020-11-10 | 2021-02-02 | 上海龙创汽车设计股份有限公司 | Brand-new bicycle transmission device |
| WO2022233018A1 (en) * | 2021-05-07 | 2022-11-10 | 深圳市喜德盛自行车股份有限公司 | Pedal force measurement mechanism and electric power-assisted bicycle |
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| CN206797609U (en) * | 2017-05-04 | 2017-12-26 | 南京奥特博机电科技有限公司 | A kind of electric assisted bicycle |
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| JP2001213381A (en) * | 2000-02-02 | 2001-08-07 | Honda Motor Co Ltd | Power assisted bicycle |
| CN1385337A (en) * | 2001-05-10 | 2002-12-18 | 财团法人工业技术研究院 | Torsion sensing measurement for vehicle and device for miniturizing big disc |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110155241A (en) * | 2018-02-11 | 2019-08-23 | 门德君 | Electric bicycle transmission device and the electric bicycle of axis transmission |
| CN112298447A (en) * | 2020-11-10 | 2021-02-02 | 上海龙创汽车设计股份有限公司 | Brand-new bicycle transmission device |
| WO2022233018A1 (en) * | 2021-05-07 | 2022-11-10 | 深圳市喜德盛自行车股份有限公司 | Pedal force measurement mechanism and electric power-assisted bicycle |
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Address after: 210039, room 3, building 313, Sun Jia Lou complex, Banqiao street, Yuhuatai District, Jiangsu, Nanjing Applicant after: NANJING AOTEBO ELECTROMECHANICAL TECHNOLOGY CO.,LTD. Address before: 602 room 180, building 200, No. 210014, Xuanwu District, Jiangsu, Nanjing, Xiaolingwei Applicant before: NANJING AOTEBO ELECTROMECHANICAL TECHNOLOGY CO.,LTD. |
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Application publication date: 20170901 |