CN206797610U - A kind of integrated form bicycle power-assisted device and moped - Google Patents
A kind of integrated form bicycle power-assisted device and moped Download PDFInfo
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- CN206797610U CN206797610U CN201720487255.4U CN201720487255U CN206797610U CN 206797610 U CN206797610 U CN 206797610U CN 201720487255 U CN201720487255 U CN 201720487255U CN 206797610 U CN206797610 U CN 206797610U
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Abstract
The utility model discloses a kind of integrated form bicycle power-assisted device, motor including applying power-assisted by motor controller controls, also include foot-operated force measuring device, foot-operated force measuring device includes a swing arm swung by the effect of the tensile force of chain or belt and the sensor of a detection swing arm rotational angle or shift length, sensor sends the electric signal of detection to electric machine controller, controlled motor exports corresponding power torque, and power torque is acted on chain or belt.The utility model is compact-sized, saves space；Small turn signal can be carried out by mechanical amplification by swing arm, make measurement value sensor more accurate, reduce measurement error.The utility model is applied to carry out power-assisted for the foot-operated or hand driven bicycle of two-wheeled or three-wheel either more wheels, carries out power-assisted according to the power-assisted pass order of setting, can increase transmission cornerite, improve transmission capacity, reach more preferable power-assisted effect.
Description
Technical field
It the utility model is related to a kind of bicycle power-assisted device and the moped using the power assisting device.
Background technology
It is required for using the bicycle of power-assisted according to the movement velocity of bicycle or by force information, by motor controller controls
Motor provides power-assisted for bicycle.But the device of various the detection cycling speed or stress used in the prior art is past
Toward structure it is very complicated, special sensor is expensive, common sensor can not accurately reflect cycling speed or
The accurate status of stress, the effect that power-assisted is carried out to bicycle is have impact on because detection error is big.
Utility model content
Technical problem to be solved in the utility model is the defects of overcoming prior art, there is provided a kind of integrated form bicycle
Power assisting device, the information and state of cycling can be accurately reflected, the integrated form bicycle power-assisted device can be used for voluntarily
Power-assisted is carried out on car, power-assisted effect is good.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of integrated form bicycle power-assisted device, including the motor by motor controller controls application power-assisted, its feature exist
In, in addition to foot-operated force measuring device, riding force measuring device includes an effect generation by chain or the tensile force of belt
The swing arm of swing and the sensor of a detection swing arm rotational angle or shift length, the sensor send the electric signal of detection
Corresponding power-assisted square is exported to motor controller controls motor, power-assisted square is acted on chain or belt.
Foot-operated force measuring device is integrated in casing with motor.
Further, the foot-operated force measuring device also includes the flexible member for resetting the swing arm.
Further, the foot-operated force measuring device also includes the spacing dress limited the slewing area of the swing arm
Put.
Further, the motor power-assisted is applied to after decelerator on chain or belt.
Further, the decelerator is fixed axis gear decelerator or planetary reducer.
Further, the belt inner surface is timing belt.
A kind of bicycle with integrated form bicycle power-assisted device, it is characterised in that when chain wheel driving bicycle rotates,
After the chain or belt engaged with chain wheel periphery bypasses bicycle freewheel periphery, it is engaged in successively and rotation is driven by motor output shaft
The second sprocket wheel, drive the first sprocket wheel that the swing arm that is detected of sensor rotates after, further around chain wheel is returned, engaged with chain wheel periphery.
A kind of bicycle with integrated form bicycle power-assisted device, it is characterised in that when chain wheel driving bicycle rotates,
After the second sprocket engagement of the chain or belt engaged with chain wheel periphery with driving rotation by motor output shaft, fly around bicycle
After the periphery engagement of wheel, then the first sprocket engagement of the swing arm rotation detected with drive sensor, last wraparound chain wheel, with tooth
Engage disk periphery.
Further, in addition at least one tensioning apparatus being tensioned to chain or belt.
Further, in addition at least one increase chain or belt and the sprocket engagement number of teeth or the dress with pulley contact area
Put.
A kind of bicycle with integrated form bicycle power-assisted device, it is characterised in that in the chain wheel and crank of bicycle
Between an one-way clutch or unilateral bearing are set.
A kind of bicycle with integrated form bicycle power-assisted device, it is characterised in that in the chain wheel and crank of bicycle
Between a variable gear speed transmission using planetary gearsets is set, the input shaft of the speed changer is connected with crank, and with song
Handle rotates, and the output shaft of the speed changer is connected with chain wheel.
Bicycle described in the utility model can have two kinds of mode of operations, the first：Bicyclist steps on pedal, and motor provides
Power-assisted, manpower and motor power-assisted are simultaneously deposited；Second：Power only is provided by motor, bicyclist adjusts electricity by power modulating device
The size of machine output torque.Therefore, electric bicycle described in the utility model is also equipped with assistant mode switching device, regulation
The device of motor output torque size.
Bicycle described in the utility model is also equipped with adjusting the gearshift of planetary transmission gear.
Bicycle described in the utility model is also equipped with operating display device, for setting assist rate gear, locking car
, display and transmission battery electric quantity, speed, assistant mode, gear, the information such as vehicle location.
The beneficial effect that the utility model is reached：
Integrated form bicycle power-assisted device of the present utility model is compact-sized, saves space；Can will be small by swing arm
Turn signal carry out mechanical amplification, make measurement value sensor more accurate, reduce measurement error.
Integrated form bicycle power-assisted device of the present utility model be applied to for the foot-operated of two-wheeled or three or more rounds or
Person's hand driven bicycle carries out power-assisted, carries out power-assisted according to the power-assisted pass order of setting, can increase transmission cornerite, improve transmission
Ability, reach more preferable power-assisted effect.
Integrated form moped device of the present utility model can realize two kinds of mode of operations, and the first is that motor is behaved
Power-assisted is provided；Second is only to provide power by motor.Two kinds of mode of operations can adapt to different road conditions, can more improve
The security of road traveling.
Brief description of the drawings
Fig. 1 is integrated form bicycle power-assisted device schematic diagram；
Fig. 2 is the integrated form bicycle power-assisted device schematic diagram using fixed axis gear decelerator；
Fig. 3 is the integrated form bicycle power-assisted device schematic diagram using planetary reducer；
Fig. 4 is integrated form bicycle power-assisted device schematic diagram with stopper；
Fig. 5 is a kind of moped schematic diagram of power-assisted pass order；
Fig. 6 is the moped schematic diagram of another power-assisted pass order；
Fig. 7 is moped schematic diagram；
In figure, 1. foot-operated force measuring devices；11. sensor；12. swing arm；It is 121. long-armed；122. galianconism；13. elastic member
Part；131. extension spring；132. stage clip；14. stopping means；141. limited block；142. stopper slot；15. rotating shaft；2. motor；21. electricity
Machine output shaft；3. chain；4. sprocket wheel；5. decelerator；51. fixed axis gear reducer input shaft；52. fixed axis gear decelerator is defeated
Shaft；53. gear ring；54. planet carrier；55. planetary gear；6. sprocket wheel；7. bicycle freewheel；8. one-way clutch or one-way shaft
Hold；9. crank；10. chain wheel；100. casing；201. tensioning wheel；202. tensioning wheel；203. tensioning wheel；204. tensioning wheel.
Tensioning apparatus.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating this
The technical scheme of utility model, and the scope of protection of the utility model can not be limited with this.
Embodiment 1
As shown in Figure 1 and Figure 4, integrated form bicycle power-assisted device of the present utility model, including foot-operated force measuring device 1,
Motor 2 and electric machine controller（Not shown in figure）.Foot-operated force measuring device 1 is used for the size for perceiving pedal force；Motor 2 is by motor
Controller control applies power-assisted.Foot-operated force measuring device 1 and motor 2 and electric machine controller are integrated among a casing 100,
It is compact-sized, space is saved, and these parts can also be protected.Multiple work ducts are offered on casing 100, with
Allow the connection and setting of associated components.
Foot-operated force measuring device 1 includes sensor 11, swing arm 12, flexible member 13 and stopping means 14.Swing arm 12 includes
Longer long-armed 121 of 15 synchronous axial systems and shorter galianconism 122 around the shaft, holding one is constant between long-armed 121 and galianconism 122
Angle is constant all the time, and when bicyclist exerts oneself pedal, swing arm 12 15 is swung around the shaft by the effect of chain tension,
And long-armed 121 slewing area, distance it is bigger.Sensor 11 is accordingly set with the position of swing arm 12, makes sensor 11 can
To detect the corner of swing arm 12 or displacement, the value of pedal force is calculated according to rotational angle or shift length.Sensor 11 both may be used
At rotating shaft 15, the anglec of rotation of the opposite case 100 of direct measurement swing arm 12, can also be preferably mounted in long-armed
Optional position on 121, the displacement of the opposite case 100 of swing arm 12 is measured, small turn signal is subjected to machine by long-armed 121
The amplification of tool formula, to obtain more accurate measured value.The one end of flexible member 13 is fixed in casing 100, and the other end is connected to pendulum
Long-armed 121 end of arm 12, resets swing arm 12.Stopping means 14 is arranged on long-armed 121 and/or galianconism 122 of swing arm 12
Side, the slewing area of swing arm 12 is limited, the sensor 11 of measurement pedal force is maintained in valid analysing range simultaneously
Protect sensor.
Sensor 11 uses electromagnetism or optical sensor, such as hall sensor, electromagnetic sensing element or coding disk.
Flexible member 13 can use extension spring, stage clip, torque spring, shell fragment etc. to have the flexible member for recovering function；
Stopping means 14 can use limited block 141 or stopper slot 142 etc..
Motor 2 meets the motor of power-assisted requirement using permagnetic synchronous motor, induction machine or reluctance motor etc..
With reference to shown in Fig. 5, during bicyclist's pedal, the pedal force being applied on pedal passes to chain wheel 10 through crank 9, makes
The chain 3 engaged on chain wheel 10 is tensioned, and the Forced rotation of sprocket wheel 4 being meshed with chain 3, stirs the pendulum for being arranged on the side of sprocket wheel 4
Arm 12 15 is swung around the shaft（Swing arm 12, which is arranged on the side of sprocket wheel 4, does not influence the engaged transmission of sprocket wheel 4 and chain 3）, sensing
Device 11 detects the rotational angle of swing arm 11 or distance calculates the value of pedal force.The pin measured by electric machine controller according to sensor
The size controlled motor 2 of the value of legpower exports power torque.The drive sprocket 6 of motor output shaft 21 is rotated, and engagement is driven by sprocket wheel 6
Rotate by chain 3 thereon, be driven by chain 3, drive bicycle freewheel 7 to rotate, so that bicycle moves forward.
It is preferred that sprocket wheel 4, sprocket wheel 6 are also integrated among casing 100.
In other embodiments, can also be driven with belt instead of chain, preferred inner surface is done during using belt
Into the tooth form that can be engaged, and outer surface is the timing belt of smooth surface, and the inner surface of tooth form can be with chain wheel 10, motor output end
The tooth on sprocket wheel 6 that 21 drivings rotate is meshed, and improves transmission capacity and power-assisted effect；And the smooth surface of outer layer passes by driving
The sprocket wheel 4 that the swing arm that sensor is detected rotates, it is possible to reduce friction, avoid the loss in transmission process.
Lubricating oil or lubricating grease are also provided with inside integrated form bicycle power-assisted device, to meet the profit of machine internal
Sliding demand.
Embodiment 2
On the basis of embodiment 1, in the present embodiment, increase decelerator 5 exports power torque to motor 2 and carries out deceleration increasing
Square, decelerator 5 and foot-operated force measuring device 1, motor 2 and electric machine controller are integrated among a casing 100.Motor exports
Indirect drive sprocket 6 is rotated after axle 21 increases square by the deceleration of decelerator 5, and engagement is driven by chain 3 or skin thereon by sprocket wheel 6
Band rotates, and by chain or belt transmission, flywheel driven 7 rotates, so that bicycle moves forward.
As shown in Fig. 2 decelerator 5 uses fixed axis gear decelerator.Motor output shaft 21 inputs with fixed axis gear decelerator
Axle 51 connects, and is rotated by the drive sprocket 6 of fixed axis gear reducer output shaft 52.Motor output torque is after decelerator is amplified
Can meets power-assisted requirement, therefore motor is actually needed the torque reduction of offer, and the volume and quality of motor are also smaller, favorably
Installation and bicycle loss of weight in motor；In addition, planet axis reducer structure is simple, cost is low to be easily installed.
The course of work and principle：When bicyclist exerts oneself pedal, the pedal force being applied on pedal passes to through crank
Chain wheel, make the chain tension engaged on chain wheel, the Forced rotation of sprocket wheel 4 engaged with chain, drive swing arm 12 15 to rotate around the shaft,
Extension spring 131 is stretched simultaneously, and sensor 11 detects the angle of the rotation of swing arm 11 or distance calculates the value of pedal force.By motor control
The size controlled motor 2 of the value for the pedal force that device measures according to sensor exports power torque, and power torque subtracts through fixed axis gear
Fast device deceleration is exported after increasing square by fixed axis gear reducer output shaft 52, and power is applied on chain 3 or belt through sprocket wheel 6,
Play power-assisted effect.
In the present embodiment, the extension spring 131 of flexible member use, by the pulling force of extension spring 131 swing arm 12 can be made to be returned to just
Beginning state.
Remaining is same as Example 1.
Embodiment 3
On the basis of embodiment 1, in the present embodiment, increase decelerator 5 exports power torque to motor 2 and carries out deceleration increasing
Square, decelerator 5 and foot-operated force measuring device 1, motor 2 and electric machine controller are integrated among a casing 100.Motor exports
Indirect drive sprocket 6 is rotated after axle 21 increases square by the deceleration of decelerator 5, and engagement is driven by chain 3 or skin thereon by sprocket wheel 6
Band rotates, and by chain or belt transmission, drives bicycle freewheel 7 to rotate, so that bicycle moves forward.
As shown in figure 3, decelerator 5 uses planetary reducer.Gear ring 53 in star gear reduction unit is fixed, sun gear
As input, the planet carrier 54 of support planetary gear 55 is as output.Sun gear is driven by motor output shaft and rotated, drive and the sun
Wheel, the planetary gear of gear ring engagement rotate around planet carrier, and the sprocket wheel 6 being connected on planet carrier force-output shaft is slowed down, and it is dynamic to increase square output
Power.Planetary reducer volume and quality are respectively less than fixed axis gear decelerator, are advantageous to the loss of weight of bicycle.
The course of work and principle：When bicyclist exerts oneself pedal, the pedal force being applied on pedal passes to through crank
Chain wheel, make the chain or belt tension engaged on chain wheel, the stress of sprocket wheel 4 engaged with chain or belt, drive swing arm 12 to rotate
Axle 15 rotates, while compression press spring 132, and sensor 11 detects the angle of the rotation of swing arm 11 or distance calculates the value of pedal force.
The size controlled motor 2 of the value of the pedal force measured by electric machine controller according to sensor exports power torque, power torque warp
Planetary reducer output is crossed, power is applied on chain or belt by sprocket wheel 6, power-assisted is applied to chain.
In the present embodiment, the stage clip 132 of flexible member use, by the pressure of stage clip 132 swing arm 12 can be made to be returned to just
Beginning state.
Remaining is same as Example 1.
Embodiment 4
As shown in figure 5, the present embodiment is to be filled using the integrated form bicycle power-assisted of embodiment 1, embodiment 2 or embodiment 3
The bicycle put.In ordinary bicycle structure, pedal is arranged on one end of crank 9, and the other end of crank 9 is connected to chain wheel 10
Center.
In the present embodiment, an one-way clutch or unilateral bearing 8, crank 9 can also be set between chain wheel 10 and crank 9
The other end be connected through one-way clutch or unilateral bearing with the center of chain wheel 10.During 9 rotary motion of crank, one-way clutch or list
Lockup state is in bearing, the pedal force applied on the footrests passes to tooth through crank 9, one-way clutch or unilateral bearing
Disk 10；When the rotating speed of chain wheel 10 is higher than 9 rotating speed of crank, one-way clutch or unilateral bearing are in released state, and chain wheel 10 can be with
Free movement.
The one variable gear speed transmission using planetary gearsets, the input shaft of speed changer are set between chain wheel 10 and crank 9
It is connected with crank 9, and is rotated with crank 9, the output shaft of speed changer is connected with chain wheel 10, and speed changer changes gear by external force.
When bicycle is provided with one-way clutch, bicyclist can directly be controlled by aforementioned motor assistance adjusting device
Motor output power torque drives vehicle, and now crank does not rotate with chain wheel, equivalent to common electric bicycle；Using more gears
Planetary reducer, the amplification of different drive ratios can be carried out to the pedal force of bicyclist.It can fit bicycle above
Should be in multi-form operating mode and the custom of riding of bicyclist.
Embodiment 5
On the basis of embodiment 1, in the present embodiment, for integrated form bicycle power-assisted device or using integrated form voluntarily
Power-assisted pass order is used by the bicycle of car power assisting device：
As shown in figure 5 and figure 7, when bicyclist's pedal makes the bicycle advance, chain wheel 10 rotates clockwise, the up time of chain 3
Pin engaged with chain wheel 10 after around to the periphery of bicycle freewheel 7, then penetrate casing 100 and enter in foot-operated force measuring device 1, nibble successively
The sprocket wheel 4 that the sprocket wheel 6 rotated together in the driving of motor output shaft 21, the swing arm for driving sensor to be detected rotate, passes casing 100
Wraparound is engaged to the periphery of chain wheel 10 afterwards；Also, the sprocket wheel 6 that the driving of motor output shaft 21 rotates is engaged on chain wheel 10 and flown with bicycle
The interior volume that the chain 3 that wheel 7 is propped up is formed, and the sprocket wheel 4 that the swing arm for driving sensor to be detected rotates is engaged on chain wheel 10
The outside that the chain 3 propped up with bicycle freewheel 7 is formed.
Between these parts, the tensioning wheel being tensioned to chain 3 can also be arbitrarily installed as needed, such as can be with
One tensioning wheel 201 is set between bicycle freewheel 7 and sprocket wheel 6, it is preferred that the tensioning wheel 201 be engaged on bicycle freewheel 7 with
The outside for the chain 3 that sprocket wheel 6 is propped up, the tensioning wheel 201 can be integrally disposed in casing 100；Can also be in chain wheel 10 and oneself
A tensioning wheel 202 is set between driving flywheel 7, propped up it is preferred that the tensioning wheel 202 is engaged on chain wheel 10 with bicycle freewheel 7
Chain 3 outside, the fixing end of the tensioning wheel 202 is arranged in casing 100.
Embodiment 6
On the basis of embodiment 1, in the present embodiment, for integrated form bicycle power-assisted device or using integrated form voluntarily
Power-assisted pass order is used by the bicycle of car power assisting device：
As shown in fig. 6, when bicyclist's pedal makes the bicycle advance, chain wheel 10 rotates clockwise, and chain 3 is clockwise and tooth
Penetrate casing 100 after the engagement of the periphery of disk 10 to enter in foot-operated force measuring device 1, the sprocket wheel with driving rotation by motor output shaft 21
After 6 engagements, casing 100 is passed after the engagement of the periphery of bicycle freewheel 7, is penetrated casing 100 again and is entered pedal force measurement
In device 1, after driving the sprocket wheel 4 that the swing arm that is detected of sensor rotates to engage, last wraparound is engaged to the periphery of chain wheel 10；And
And sprocket wheel 6, the sprocket wheel 4 for the swing arm rotation for driving sensor to be detected that the driving of motor output shaft 21 rotates are engaged on chain wheel
10 outsides formed with the chain 3 that bicycle freewheel 7 is propped up.
Between these parts, the tensioning wheel being tensioned to chain 3 can also be arbitrarily installed as needed, such as can be with
One tensioning wheel 203 is set between bicycle freewheel 7 and sprocket wheel 4, one can also be set between sprocket wheel 6 and bicycle freewheel 7
Tensioning wheel 204.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and deformation can also be made, these change
Enter and deform and also should be regarded as the scope of protection of the utility model.
Claims (12)
1. a kind of integrated form bicycle power-assisted device, including the motor by motor controller controls application power-assisted, it is characterised in that
Also include foot-operated force measuring device, foot-operated force measuring device is swung including one by the effect of chain or the tensile force of belt
Swing arm and the sensor of a detection swing arm rotational angle or shift length, the sensor sends the electric signal of detection to electricity
Machine controller, motor controller controls motor export corresponding torque, and torque is on chain or belt.
2. integrated form bicycle power-assisted device according to claim 1, it is characterised in that the foot-operated force measuring device is also
Including the flexible member for resetting the swing arm.
3. integrated form bicycle power-assisted device according to claim 1, it is characterised in that the foot-operated force measuring device is also
Including the stopping means limited the slewing area of the swing arm.
4. integrated form bicycle power-assisted device according to claim 1, it is characterised in that the power torque warp of the motor
It is applied to after decelerator deceleration amplification on chain or belt.
5. integrated form bicycle power-assisted device according to claim 4, it is characterised in that the decelerator is fixed axis gear
Decelerator or planetary reducer.
6. integrated form bicycle power-assisted device according to claim 1, it is characterised in that the belt is timing belt.
7. a kind of bicycle with the integrated form bicycle power-assisted device in claim 1-6 described in any one, its feature
It is, when chain wheel driving bicycle rotates, the chain or belt that engages with chain wheel periphery are around behind bicycle freewheel periphery, successively
After the first sprocket wheel that the swing arm for be engaged in the second sprocket wheel rotated by motor output shaft driving, driving sensor to be detected rotates,
Further around chain wheel is returned, engaged with chain wheel periphery.
8. a kind of bicycle with the integrated form bicycle power-assisted device in claim 1-6 described in any one, its feature
It is, when chain wheel driving bicycle rotates, the chain or belt engaged with chain wheel periphery by motor output shaft with driving what is rotated
After second sprocket engagement, engaged around the periphery of bicycle freewheel, then the first of the swing arm rotation detected with drive sensor
After sprocket engagement, last wraparound chain wheel, engaged with chain wheel periphery.
9. the bicycle with integrated form bicycle power-assisted device according to claim 7 or 8, it is characterised in that also wrap
Include at least one tensioning apparatus being tensioned to chain or belt.
10. the bicycle with integrated form bicycle power-assisted device according to claim 7 or 8, it is characterised in that also wrap
Include at least one increase chain or belt and the sprocket engagement number of teeth or the device with pulley contact area.
11. a kind of bicycle with the integrated form bicycle power-assisted device in claim 1-6 described in any one, its feature
It is, an one-way clutch or unilateral bearing is set between the chain wheel and crank of bicycle.
12. a kind of bicycle with the integrated form bicycle power-assisted device in claim 1-6 described in any one, its feature
It is, a variable gear speed transmission using planetary gearsets, the speed changer is set between the chain wheel and crank of bicycle
Input shaft be connected with crank, and rotated with crank, the output shaft of the speed changer is connected with chain wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720487255.4U CN206797610U (en) | 2017-05-04 | 2017-05-04 | A kind of integrated form bicycle power-assisted device and moped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720487255.4U CN206797610U (en) | 2017-05-04 | 2017-05-04 | A kind of integrated form bicycle power-assisted device and moped |
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| Publication Number | Publication Date |
|---|---|
| CN206797610U true CN206797610U (en) | 2017-12-26 |
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ID=60739302
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720487255.4U Active CN206797610U (en) | 2017-05-04 | 2017-05-04 | A kind of integrated form bicycle power-assisted device and moped |
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| Country | Link |
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| CN (1) | CN206797610U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945779A (en) * | 2017-05-04 | 2017-07-14 | 南京奥特博机电科技有限公司 | A kind of integrated form bicycle power-assisted device and moped |
| CN109383691A (en) * | 2018-10-25 | 2019-02-26 | 深圳市南博自动化设备有限公司 | A kind of drive mechanism of bicycle |
-
2017
- 2017-05-04 CN CN201720487255.4U patent/CN206797610U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945779A (en) * | 2017-05-04 | 2017-07-14 | 南京奥特博机电科技有限公司 | A kind of integrated form bicycle power-assisted device and moped |
| CN109383691A (en) * | 2018-10-25 | 2019-02-26 | 深圳市南博自动化设备有限公司 | A kind of drive mechanism of bicycle |
| CN109383691B (en) * | 2018-10-25 | 2024-01-26 | 深圳市南博自动化设备有限公司 | Transmission structure of bicycle |
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Effective date of registration: 20230719 Address after: 414000 Floors 3, 4 and 5, Building 9, Yueyang Modern Equipment Manufacturing Industrial Park, Muligang Community, Muligang, Yueyang Economic and Technological Development Zone, Yueyang City, Hunan Province Patentee after: Yueyang aidaxing Intelligent Technology Co.,Ltd. Address before: Room 313, 3rd Floor, Sunjia Comprehensive Building, Banqiao Street, Yuhuatai District, Nanjing City, Jiangsu Province, 210039 Patentee before: NANJING AOTEBO ELECTROMECHANICAL TECHNOLOGY CO.,LTD. |