CN202449162U - Harmonic speed reducing driver for electric bicycle - Google Patents
Harmonic speed reducing driver for electric bicycle Download PDFInfo
- Publication number
- CN202449162U CN202449162U CN2011204872203U CN201120487220U CN202449162U CN 202449162 U CN202449162 U CN 202449162U CN 2011204872203 U CN2011204872203 U CN 2011204872203U CN 201120487220 U CN201120487220 U CN 201120487220U CN 202449162 U CN202449162 U CN 202449162U
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- harmonic
- rotating disk
- outer ring
- bicycle
- housing
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Abstract
The utility model discloses a harmonic speed reducing driver for an electric bicycle, wherein the housing of the diver is sleeved with two ends of a harmonic reducer; a driving motor is disposed inside the housing of the diver; a harmonic generator, a motor rotor are sleeved on a middle shaft in turn; a harmonic flexspline and a harmonic circular spline are sleeved on the outer ring of the harmonic generator in turn; the harmonic circular spline is fixed inside the housing of the harmonic reducer; a single bidirectional bearing is sleeved on the middle shaft and is disposed at one side of the housing of the reducer; the unidirectional/bidirectional bearing comprising an inner ring rotary table, an intermediate rotary table and an outer ring rotary table which are coaxially sleeved in turn. A plurality of projections are uniformly arranged at the intervals between each of the rotary tables. The inner rotary table is in connection with the harmonic flexspline, the intermediate rotary table drives the bicycle, and the outer ring rotary table is in connection with a chain wheel. The driver applies to an electric bicycle driven by a high speed motor, and has the advantages of compact structure, small size, light weight, large speed ratio, low noise, and high efficiency. The bicycle used the driver can be driven by human power and electricity individually or synthetically.
Description
Technical field
The utility model relates to a kind of Electrical Bicycle harmonic reduction actuator.
Background technology
Electric bicycles for its drive motor, the motor rated speed is divided into three categories, namely high-speed motor, the motor speed and low-speed motor, motor rated speed is higher, the smaller the size, lighter weight, the higher the efficiency, cost more low, but is generally low speed electric bicycles, as you need to support high-speed motor reducer, reducer gear ratio, volume, efficiency, cost is a bicycle drive performance, the price of the decisive factors.Electronic car voluntarily adopts the slowspeed machine direct drive mostly at present, does not need mechanical reduction gear, and it is with low content of technology, efficient is low, cost is high, volume is big, Heavy Weight.Speed motor during Electrical Bicycle has adopted in a large number in recent years, supporting capable star tooth wheel reduce speed, performance increases.Looking abroad but not yet high-speed electric motor bike, supporting a large reduction ratio gearbox as an electric bicycle drive, limiting the development of electric bicycles.
Summary of the invention
The utility model technical problem to be solved is to provide an electric bicycle harmonic gear drive, the drive for high-speed motor drive electric bicycle, its compact structure, small size, light weight, ratio, low noise, high efficiency, manpower and electricity can be driven separately or together bike.
For solving the problems of the technologies described above; The utility model Electrical Bicycle harmonic reduction actuator comprises bicycle middle shaft, sprocket wheel and drive motor; The harmonic generator, harmonic wave flexbile gear, the harmonic wave that also comprise actuator housing, single-direction and dual-direction bearing and be located in the harmonic speed reducer housing are just taken turns; Said actuator housing and said harmonic speed reducer housing two ends socket, said drive motor is located in the said actuator housing, and said harmonic generator, rotor, motor stator are set in said axis successively; The firm wheel of said harmonic wave flexbile gear harmonic is set in said harmonic generator outer ring successively; Said harmonic wave just wheel is fixed in the said harmonic speed reducer housing, and said single-direction and dual-direction bearing carrier ring is loaded on said axis and is positioned at said harmonic speed reducer housing one side, and said single-direction and dual-direction bearing comprises inner ring rotating disk, middle rotating disk and outer ring rotating disk and coaxial package successively; Be provided with some inner ring projections between said inner ring rotating disk and the middle rotating disk uniformly at intervals; Be provided with some outer rings projection uniformly at intervals between rotating disk and the outer ring rotating disk in the middle of said, said inner ring projection and projection two ends, outer ring are arc and outstanding in opposite directions, and the jag at said inner ring projection and projection two ends, outer ring oppositely is provided with; Said inner ring rotating disk connects said harmonic wave flexbile gear; Rotating disk drives bicycle in the middle of said, and said outer ring rotating disk connects said sprocket wheel, and said drive motor, harmonic generator, harmonic wave flexbile gear, harmonic wave are just taken turns, single-direction and dual-direction bearing and sprocket coaxiality setting.
Further, the drive motor speed brushless motor, said motor rotor is directly fixed to the outer form an integral part of the harmonic generator, the harmonics between the flexible wheel and harmonic generator, harmonic and harmonic flexible wheel respectively between the gear unit housing via a bearing support the connection, and simultaneously operate in the central axis of the bicycle.
Because the utility model Electrical Bicycle harmonic reduction actuator has adopted technique scheme; Be actuator housing and the two ends socket of harmonic speed reducer housing, drive motor is located in the actuator housing, and harmonic generator, rotor, motor stator are set in axis successively; The firm wheel of harmonic wave flexbile gear harmonic is set in the harmonic generator outer ring successively; Harmonic wave just wheel is fixed in the harmonic speed reducer housing, and the single-direction and dual-direction bearing carrier ring is loaded on axis and is positioned at harmonic speed reducer housing one side, and the single-direction and dual-direction bearing comprises inner ring rotating disk, middle rotating disk and outer ring rotating disk and coaxial package successively; Be provided with some inner ring projections between inner ring rotating disk and the middle rotating disk uniformly at intervals; Be provided with some outer rings projection uniformly at intervals between middle rotating disk and the outer ring rotating disk, inner ring projection and projection two ends, outer ring are arc and outstanding in opposite directions, and the jag at inner ring projection and projection two ends, outer ring oppositely is provided with; The inner ring rotating disk connects said harmonic wave flexbile gear; Middle rotating disk drives bicycle, and the outer ring rotating disk connects sprocket wheel, and drive motor, harmonic generator, harmonic wave flexbile gear, harmonic wave are just taken turns, single-direction and dual-direction bearing and sprocket coaxiality setting.This drive for high-speed motor drive electric bicycle, its compact structure, small size, light weight, ratio, low noise, high efficiency, manpower and electricity can be driven separately or together bike.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further to specify:
Fig. 1 is the structural representation of the utility model Electrical Bicycle harmonic reduction actuator;
Fig. 2 is the structural representation of single-direction and dual-direction bearing in the utility model Electrical Bicycle harmonic reduction actuator.
The specific embodiment
As depicted in figs. 1 and 2; The utility model Electrical Bicycle harmonic reduction actuator comprises bicycle middle shaft 9, sprocket wheel 8 and drive motor 2; The harmonic generator 4, harmonic wave flexbile gear 5, the harmonic wave that also comprise actuator housing 1, single-direction and dual-direction bearing 7 and be located in the harmonic speed reducer housing 3 have just taken turns 6; Said actuator housing 1 and said harmonic speed reducer housing 3 two ends sockets; Said drive motor 2 is located in the said actuator housing 1; Said harmonic generator 4, rotor 21, motor stator 22 are set in said axis 9 successively, and said harmonic wave flexbile gear 5 harmonic just wheel 6 are set in said harmonic generator 4 outer rings successively, and said harmonic wave just wheel 6 is fixed in the said harmonic speed reducer housing 3; Said single-direction and dual-direction bearing 7 is set in said axis 9 and is positioned at said harmonic speed reducer housing 3 one sides; Said single-direction and dual-direction bearing 7 comprises inner ring rotating disk 71, middle rotating disk 72 and outer ring rotating disk 73 and coaxial package successively, is provided with some inner ring projections 74 between said inner ring rotating disk 71 and the middle rotating disk 72 uniformly at intervals, is provided with some outer rings projection 75 uniformly at intervals between said centre rotating disk 72 and the outer ring rotating disk 73; Said inner ring projection 74 is an arc and outstanding in opposite directions with outer ring projection 75 two ends; The jag at said inner ring projection 74 and outer ring projection 75 two ends oppositely is provided with, and said inner ring rotating disk 71 connects said harmonic wave flexbile gear 5, and said middle rotating disk 72 drives bicycles; Said outer ring rotating disk 73 connects said sprocket wheel 8, and said drive motor 2, harmonic generator 4, harmonic wave flexbile gear 5, harmonic wave have just taken turns 6, single-direction and dual-direction bearing 7 and sprocket wheel 8 coaxial settings.
Further, the drive can be used brushless motor 2 speed motor, said motor rotor 21 fixed directly on the outer ring of the harmonic generator 4 form an integral part of said harmonic flexible wheel between 5 and harmonic generator 4, harmonic Wave flexible wheel 5 and 3 respectively, between harmonic reducer housing through bearings connection, and while running on the bicycle bottom bracket 9.
During this drive operation; Drive motor rotates through powered battery; Power passes to the harmonic wave flexbile gear through harmonic generator; The harmonic wave flexbile gear rotates in harmonic wave is just taken turns and transfers a driving force to single-direction and dual-direction bearing cone rotating disk, and the drive motor rotating speed is passed to single-direction and dual-direction bearing cone rotating disk and has bigger reduction ratio, thereby be suitable for the driving of high-speed driving motor application in Electrical Bicycle through harmonic generator, the firm wheel of harmonic wave flexbile gear harmonic; Single-direction and dual-direction bearing cone dial rotation makes that the inner ring projection is upright; Drive middle dial rotation and drive bicycle by middle rotating disk; Outer ring projection in the middle of this moment between rotating disk and the outer ring rotating disk tilts, and the outer ring rotating disk does not have rotation, by drive motor independent drive bicycle; Make sprocket wheel by driving the bicycle directional rotation at this moment as through step, then sprocket wheel drives the outer ring dial rotation, makes the outer ring projection uprightly drive middle dial rotation, and this moment, bicycle was made a concerted effort to drive by drive motor and manpower; Out of service like the drive motor dead electricity, manpower still can drive the outer ring dial rotation through sprocket wheel, moves ahead thereby drive bicycle, and be the manpower independent drive this moment; And manpower is when driving the sprocket wheel backward rotation, and the outer ring projection tilts, dial rotation in the middle of the outer ring rotating disk can't drive.The structure of this single-direction and dual-direction bearing adopts inner ring projection and outer ring projection to carry out the transmission of propulsive effort; It is the formula transmission of rising; Avoided adopting the defective of ratchet and ratchet structure impact transmission; Improve the service life of single-direction and dual-direction bearing, reduced the noise in the transmission process, guaranteed the cruising of bicycle.This activation configuration is compact simultaneously, and reduction ratio is big, can all be installed on the axis of bicycle, has reduced the weight and volume of bicycle, effectively improves bicycle driving efficient.
Claims (2)
1. Electrical Bicycle harmonic reduction actuator; Comprise bicycle middle shaft, sprocket wheel and drive motor; It is characterized in that: also comprise actuator housing, single-direction and dual-direction bearing and harmonic generator, harmonic wave flexbile gear, the harmonic wave be located in the harmonic speed reducer housing are just taken turns; Said actuator housing and said harmonic speed reducer housing two ends socket, said drive motor is located in the said actuator housing, and said harmonic generator, rotor, motor stator are set in said axis successively; The firm wheel of said harmonic wave flexbile gear harmonic is set in said harmonic generator outer ring successively; Said harmonic wave just wheel is fixed in the said harmonic speed reducer housing, and said single-direction and dual-direction bearing carrier ring is loaded on said axis and is positioned at said harmonic speed reducer housing one side, and said single-direction and dual-direction bearing comprises inner ring rotating disk, middle rotating disk and outer ring rotating disk and coaxial package successively; Be provided with some inner ring projections between said inner ring rotating disk and the middle rotating disk uniformly at intervals; Be provided with some outer rings projection uniformly at intervals between rotating disk and the outer ring rotating disk in the middle of said, said inner ring projection and projection two ends, outer ring are arc and outstanding in opposite directions, and the jag at said inner ring projection and projection two ends, outer ring oppositely is provided with; Said inner ring rotating disk connects said harmonic wave flexbile gear; Rotating disk drives bicycle in the middle of said, and said outer ring rotating disk connects said sprocket wheel, and said drive motor, harmonic generator, harmonic wave flexbile gear, harmonic wave are just taken turns, single-direction and dual-direction bearing and sprocket coaxiality setting.
(2) as claimed in claim 1, wherein the harmonic gear drive electric bicycle, characterized in that: said drive motor is a brushless high-speed motor, said motor rotor is directly fixed to the outer ring integrally formed harmonic generator, wherein harmonics between the flexible wheel and harmonic generator, harmonic flexible wheel and harmonic reducer respectively, through the bearing support housing connected between, and also in the bicycle axle running.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204872203U CN202449162U (en) | 2011-11-30 | 2011-11-30 | Harmonic speed reducing driver for electric bicycle |
| TW101201427U TWM434858U (en) | 2011-11-30 | 2012-01-19 | Electro bicycle harmonic deceleration driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204872203U CN202449162U (en) | 2011-11-30 | 2011-11-30 | Harmonic speed reducing driver for electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202449162U true CN202449162U (en) | 2012-09-26 |
Family
ID=46865048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204872203U Expired - Fee Related CN202449162U (en) | 2011-11-30 | 2011-11-30 | Harmonic speed reducing driver for electric bicycle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202449162U (en) |
| TW (1) | TWM434858U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013211434A1 (en) | 2013-06-18 | 2014-12-18 | Ovalo Gmbh | Drive device for driving a bicycle with electronics |
| DE102013211435A1 (en) | 2013-06-18 | 2014-12-18 | Ovalo Gmbh | Drive device for driving a bicycle with a bearing for a bottom bracket crankshaft |
| DE102013211438A1 (en) | 2013-06-18 | 2014-12-18 | Ovalo Gmbh | Drive device for driving a bicycle and bottom bracket for a bicycle |
| DE102013211437A1 (en) | 2013-06-18 | 2014-12-18 | Ovalo Gmbh | Bottom bracket for a bicycle |
| DE102013211431A1 (en) | 2013-06-18 | 2014-12-18 | Ovalo Gmbh | Drive device for driving a bicycle with a stress wave transmission |
| CN104890800A (en) * | 2014-03-03 | 2015-09-09 | 苏州悍猛谐波机电有限公司 | Power module of electric bicycle |
| DE102013211430B4 (en) * | 2013-06-18 | 2016-05-25 | Ovalo Gmbh | Driving device for driving a bicycle and bottom bracket for a bicycle and a bicycle |
| DE102013211436B4 (en) * | 2013-06-18 | 2016-06-23 | Ovalo Gmbh | Bottom bracket for a bicycle and a bicycle |
| WO2016116226A1 (en) * | 2015-01-19 | 2016-07-28 | Unicorn Energy GmbH | Drive assembly for a manually driven vehicle with an electric auxiliary drive, method for regulating a drive assembly of this type, and use |
| DE102013211433B4 (en) * | 2013-06-18 | 2017-12-14 | Ovalo Gmbh | Drive device for driving a mobile means of transport |
| WO2021151234A1 (en) * | 2020-01-30 | 2021-08-05 | 深圳市喜德盛自行车股份有限公司 | Smart middle harmonic gear motor |
| WO2022106107A1 (en) * | 2020-11-19 | 2022-05-27 | Fazua Gmbh | Drive device for an electric bicycle, and electric bicycle |
| CN114684318A (en) * | 2022-03-15 | 2022-07-01 | 苏州绿的谐波传动科技股份有限公司 | Central-positioned driving device and power-assisted bicycle |
| US11945547B2 (en) | 2017-10-05 | 2024-04-02 | FreeFlow Technologies, Limited | Transmission systems for vehicles |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629306B (en) * | 2012-08-20 | 2016-03-30 | 刘旭训 | The harmonic speed reducer of electric bicycle driver |
-
2011
- 2011-11-30 CN CN2011204872203U patent/CN202449162U/en not_active Expired - Fee Related
-
2012
- 2012-01-19 TW TW101201427U patent/TWM434858U/en not_active IP Right Cessation
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013211437B4 (en) * | 2013-06-18 | 2016-05-19 | Ovalo Gmbh | Bottom bracket for a bicycle and a bicycle |
| DE102013211438B4 (en) * | 2013-06-18 | 2016-06-23 | Ovalo Gmbh | Drive device for driving a bicycle and bottom bracket for a bicycle and a bicycle |
| DE102013211438A1 (en) | 2013-06-18 | 2014-12-18 | Ovalo Gmbh | Drive device for driving a bicycle and bottom bracket for a bicycle |
| DE102013211437A1 (en) | 2013-06-18 | 2014-12-18 | Ovalo Gmbh | Bottom bracket for a bicycle |
| DE102013211431A1 (en) | 2013-06-18 | 2014-12-18 | Ovalo Gmbh | Drive device for driving a bicycle with a stress wave transmission |
| DE102013211434B4 (en) * | 2013-06-18 | 2017-09-28 | Ovalo Gmbh | Drive device for driving a bicycle with electronics |
| DE102013211435A1 (en) | 2013-06-18 | 2014-12-18 | Ovalo Gmbh | Drive device for driving a bicycle with a bearing for a bottom bracket crankshaft |
| DE102013211430B4 (en) * | 2013-06-18 | 2016-05-25 | Ovalo Gmbh | Driving device for driving a bicycle and bottom bracket for a bicycle and a bicycle |
| DE102013211433B4 (en) * | 2013-06-18 | 2017-12-14 | Ovalo Gmbh | Drive device for driving a mobile means of transport |
| DE102013211436B4 (en) * | 2013-06-18 | 2016-06-23 | Ovalo Gmbh | Bottom bracket for a bicycle and a bicycle |
| DE102013211431B4 (en) * | 2013-06-18 | 2016-06-23 | Ovalo Gmbh | Driving device for driving a bicycle with a tension shaft gear and bottom bracket for a bicycle and a bicycle |
| DE102013211435B4 (en) * | 2013-06-18 | 2016-06-23 | Ovalo Gmbh | Drive device for driving a bicycle with a bearing for a bottom bracket crankshaft |
| DE102013211434A1 (en) | 2013-06-18 | 2014-12-18 | Ovalo Gmbh | Drive device for driving a bicycle with electronics |
| DE102013211435C5 (en) | 2013-06-18 | 2023-02-23 | Zf Friedrichshafen Ag | Drive device for driving a bicycle with a bearing for a bottom bracket crankshaft |
| CN104890800A (en) * | 2014-03-03 | 2015-09-09 | 苏州悍猛谐波机电有限公司 | Power module of electric bicycle |
| WO2016116226A1 (en) * | 2015-01-19 | 2016-07-28 | Unicorn Energy GmbH | Drive assembly for a manually driven vehicle with an electric auxiliary drive, method for regulating a drive assembly of this type, and use |
| JP2018507140A (en) * | 2015-01-19 | 2018-03-15 | ユニコーン エネルギー ゲーエムベーハー | DRIVE MODULE FOR HUMAN-DRIVEN VEHICLE HAVING ELECTRIC AUXILIARY DRIVE DEVICE, METHOD FOR CONTROLLING THE DRIVE MODULE, AND USE |
| US10343746B2 (en) | 2015-01-19 | 2019-07-09 | Unicorn Energy GmbH | Drive assembly for a manually driven vehicle with an electric auxiliary drive, method for regulating a drive assembly of this type, and use |
| CN107207071B (en) * | 2015-01-19 | 2019-09-06 | 优尼科能源有限公司 | For manual drive vehicle driving assembly, adjust its method and its application |
| CN107207071A (en) * | 2015-01-19 | 2017-09-26 | 优尼科能源有限公司 | With electric auxiliary drive mechanism for the drive component of hand-driven vehicle, the method for adjusting the drive component and application |
| US11945547B2 (en) | 2017-10-05 | 2024-04-02 | FreeFlow Technologies, Limited | Transmission systems for vehicles |
| WO2021151234A1 (en) * | 2020-01-30 | 2021-08-05 | 深圳市喜德盛自行车股份有限公司 | Smart middle harmonic gear motor |
| WO2022106107A1 (en) * | 2020-11-19 | 2022-05-27 | Fazua Gmbh | Drive device for an electric bicycle, and electric bicycle |
| CN114684318A (en) * | 2022-03-15 | 2022-07-01 | 苏州绿的谐波传动科技股份有限公司 | Central-positioned driving device and power-assisted bicycle |
| CN114684318B (en) * | 2022-03-15 | 2023-09-22 | 苏州绿的谐波传动科技股份有限公司 | Centrally-mounted driving device and power-assisted bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM434858U (en) | 2012-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20151130 |
|
| EXPY | Termination of patent right or utility model |