CN2401447Y - Driving mechanism for bicycle with electric power booster - Google Patents
Driving mechanism for bicycle with electric power booster Download PDFInfo
- Publication number
- CN2401447Y CN2401447Y CN00200425U CN00200425U CN2401447Y CN 2401447 Y CN2401447 Y CN 2401447Y CN 00200425 U CN00200425 U CN 00200425U CN 00200425 U CN00200425 U CN 00200425U CN 2401447 Y CN2401447 Y CN 2401447Y
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- CN
- China
- Prior art keywords
- foot
- bearing
- drive shaft
- axle sleeve
- built
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- Expired - Fee Related
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Abstract
The utility model relates to a driving mechanism for a bicycle with an electric power booster. A shaft sleeve for outputting power is supported on a housing and a foot pedal driving shaft through a housing bearing and a built-in bearing, one end of the shaft sleeve is fixedly provided with a chain wheel core plate, the shaft sleeve at one side provided with the built-in bearing is connected with a terminal gear of a motor retarding mechanism through a one-way clutch, and the shaft sleeve at the other side is in driving connection with the foot pedal driving shaft through the one-way clutch; components for a foot driving chain are reduced, and the terminal gear of the motor retarding mechanism, a chain wheel plate and the one-way clutch for boosting and driving the foot pedal are assembled on the same axial line. The utility model has the advantages of compact structure and small size of devices, and can be matched with integration easily.
Description
The utility model belongs to the driver train of the driver train of rickshaw, particularly a kind of electric assisted bicycle.
In existing electric assisted bicycle actuating device, the frame mode that the power wheel shaft of device and foot-operated axle drive shaft generally take apportion to be provided with, its foot-operated axle drive shaft is transmitted in power take-off shaft by plurality of gears, the parts of foot-operated driving messenger chain are more, bigger to the volume that makes actuating device, the effect that is disposed at car load seems heavy.
The purpose of this utility model be make takeoff output with foot-operated drive for be coaxially set, foot-operated driving messenger chain parts are few, and the small and exquisite and driver train of a kind of electric assisted bicycle of providing of actuating device volume can be provided.
Above-mentioned purpose is achieved in that the axle sleeve of outputting power is provided with built-in bearing, it is supported on foot-operated axle drive shaft, the axle sleeve other end is supported on the housing bearing, its end is fixed with chain wheel core disk, one end journal of foot-operated axle drive shaft is supported on the bearing of chain wheel core disk, built-in bearing one side shaft cover and be set in the motor gear speed reduction gearing of this axle sleeve not between the gear, the Retchet gear type servo-clutch is housed; Between the axle sleeve of built-in bearing opposite side and the foot-operated axle drive shaft, the Retchet gear type foot accelerator clutch is housed, this batter is stepped on the journal rest of axle drive shaft in the housing bearing.
Said axle sleeve is divided into two parts by helical surface interlocking interface, interface location is with respect between built-in bearing and the foot accelerator clutch, part axle sleeve corresponding to foot accelerator clutch, supported by the spring perch and the spring thereof that are set in foot-operated axle drive shaft and engage with its journal rest bearing inner ring, this part axle sleeve is to be engaged by feather key with foot accelerator clutch;
One side of the corresponding foot accelerator clutch of said foot-operated axle drive shaft is provided with the boss that engages with the built-in bearing inner ring;
Said chain wheel core disk be equipped with its by the fastening chain sprocket of screw.
The utility model compared with prior art has following advantage: because the axle sleeve and the foot-operated axle drive shaft of takeoff output are that the socket mode promptly is coaxially set, therefore foot-operated the driving only is transmitted to axle sleeve by free-wheel clutch, its messenger chain parts quantity greatly reduces, the actuating device overall volume is dwindled, also make not gear, sprocket wheel, power-assisted and the foot accelerator clutch of motor gear speed reduction gearing all be assembled in same axis, compact conformation, power transmission loss reduces, adopt the actuating device profile of this mechanism neat simultaneously, be easy to install and use with car load is supporting.
Further specify the utility model below in conjunction with embodiment and accompanying drawing thereof.
Accompanying drawing 1 the utility model example structure cutaway view
Embodiment as shown in the figure, the axle sleeve 7 that is provided with built-in bearing 4 is supported on the bearing 12 of housing end plug 13, bearing 10 is equipped with by lying on one's side in the chain wheel core disk 8 of screw thread captive joint in its end, axle sleeve 7 other ends are supported on foot-operated axle drive shaft by built-in bearing, foot-operated axle drive shaft 1 its diagram upper end journal rest is in the bearing 10 of chain wheel core disk, and the lower end journal rest is in the bearing 22 of housing 20.
Axle sleeve is divided into axle sleeve 7 and axle sleeve 7 ' two parts by helical surface interlocking interface 3, the axle sleeve 7 Retchet gear type servo-clutch 5 that is threaded, the outer half-clutch device of this power-transfer clutch fixes with the interior circle of gear 6 not, and this gear and gear 14,15,16 are formed the double-reduction gear mechanism of electrical motors 17.The axle sleeve 7 of interlocking 3 lower parts, interface ' supported by the spring perch 18 and symmetrically arranged 6 springs 19 that are set in foot-operated axle drive shaft 1, spring perch relies on the inner ring of housing bearing 22.Simultaneously, with respect to axle sleeve 7 ' foot-operated axle drive shaft 1 be provided with the Retchet gear type foot accelerator clutch 2 that the boss 21 that engages with the inner ring of built-in bearing 4 is captiveed joint with screw thread, its outer half-clutch device is connected with axle sleeve 7 slots.
The course of action of this mechanism is as follows, foot-operated axle drive shaft 1 stressed rotation, by foot accelerator clutch 2 drive axle sleeves 7 ', axle sleeve 7 and chain wheel core disk 8 equidirectional rotations thereof, the chain sprocket 9 that is anchored on chain wheel core disk by screw 11 also rotates thereupon, this is foot-operated transmission, and the servo-clutch 5 of this moment is a released state.If foot-operated axle drive shaft stall, electrical motor powers up rotation, then not gear 6 by ingear servo-clutch 5 make axle sleeve 7, axle sleeve 7 ', chain wheel core disk and sprocket rotation thereof, and foot accelerator clutch 2 is a released state, this is electronic transmission.If foot-operated and electronic driving simultaneously then is electric boosted state, this moment, aforesaid two power-transfer clutchs were engagement, and the adjustment of electric boosted intervention time and rotating speed is cooperated by monitoring device and motor control mechanism to be finished.Axle sleeve in the present embodiment is divided into two parts by the interlocking interface, can make two kinds of propulsive efforts realize flexibly connecting, and cushions the resistance that two kinds of type of drive produce when inharmonious mutually, avoids the damage of parts.Just as unexpected foot-operated acceleration, can make the helical surface at interlocking interface produce displacement mutually and alleviate the resistance that the electric transmissio mechanism rotating speed lags behind and produces, vice versa.
Claims (4)
1, a kind of driver train of electric assisted bicycle, formed by housing, end cap, axis, Retchet gear type free-wheel clutch, block bearing and electrical motor and gear reduction thereof, it is characterized in that: the axle sleeve of outputting power is provided with built-in bearing, it is supported on foot-operated axle drive shaft, the axle sleeve other end is supported on the housing bearing, its end is fixed with chain wheel core disk, one end journal of foot-operated axle drive shaft is supported on the bearing of chain wheel core disk, built-in bearing one side shaft cover and be set in the motor gear speed reduction gearing of this axle sleeve not between the gear, the Retchet gear type servo-clutch is housed; Between the axle sleeve of built-in bearing opposite side and the foot-operated axle drive shaft, the Retchet gear type foot accelerator clutch is housed, this batter is stepped on the journal rest of axle drive shaft in the housing bearing.
2, driver train as claimed in claim 1, it is characterized in that: said axle sleeve is divided into two parts by helical surface interlocking interface, interface location is with respect between built-in bearing and the foot-operated axle drive shaft, part axle sleeve corresponding to foot accelerator clutch, supported by the spring perch and the spring thereof that are set in foot-operated axle drive shaft and engage with its journal rest bearing inner ring, this part axle sleeve is connected by feather key with foot accelerator clutch.
3, driver train as claimed in claim 1 is characterized in that: corresponding foot accelerator clutch one side of said foot-operated axle drive shaft is provided with the boss that engages with the built-in bearing inner ring.
4, driver train as claimed in claim 1 is characterized in that: said chain wheel core disk be equipped with its by the fastening chain sprocket of screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00200425U CN2401447Y (en) | 2000-01-12 | 2000-01-12 | Driving mechanism for bicycle with electric power booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00200425U CN2401447Y (en) | 2000-01-12 | 2000-01-12 | Driving mechanism for bicycle with electric power booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2401447Y true CN2401447Y (en) | 2000-10-18 |
Family
ID=33569909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00200425U Expired - Fee Related CN2401447Y (en) | 2000-01-12 | 2000-01-12 | Driving mechanism for bicycle with electric power booster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2401447Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2957496A1 (en) * | 2014-06-16 | 2015-12-23 | Propulsion Powercycle Inc. | Electric bicycle and propulsion system therefor |
| CN110525572A (en) * | 2019-06-21 | 2019-12-03 | 卧龙电气驱动集团股份有限公司 | A kind of secondary transmission vehicle using motor built-in motor |
| WO2023236046A1 (en) * | 2022-06-07 | 2023-12-14 | Chan Yuk Chun Jon | Power-assisted drive assembly |
-
2000
- 2000-01-12 CN CN00200425U patent/CN2401447Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2957496A1 (en) * | 2014-06-16 | 2015-12-23 | Propulsion Powercycle Inc. | Electric bicycle and propulsion system therefor |
| US9643683B2 (en) | 2014-06-16 | 2017-05-09 | Propulsion Powercycle Inc. | Electric bicycle and propulsion system therefor |
| CN110525572A (en) * | 2019-06-21 | 2019-12-03 | 卧龙电气驱动集团股份有限公司 | A kind of secondary transmission vehicle using motor built-in motor |
| WO2023236046A1 (en) * | 2022-06-07 | 2023-12-14 | Chan Yuk Chun Jon | Power-assisted drive assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |