CN112441183B - Stepless speed change device for middle-mounted motor - Google Patents
Stepless speed change device for middle-mounted motor Download PDFInfo
- Publication number
- CN112441183B CN112441183B CN202011307875.8A CN202011307875A CN112441183B CN 112441183 B CN112441183 B CN 112441183B CN 202011307875 A CN202011307875 A CN 202011307875A CN 112441183 B CN112441183 B CN 112441183B
- Authority
- CN
- China
- Prior art keywords
- assembly
- ring
- motor
- output
- retainer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000008859 change Effects 0.000 title claims abstract description 19
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 10
- 230000020347 spindle assembly Effects 0.000 claims abstract description 5
- 230000005484 gravity Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
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
-
- 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
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
- B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Friction Gearing (AREA)
Abstract
The invention discloses a middle motor stepless speed change device which comprises an output right cover, a PCBA control circuit board, a speed regulating motor, a speed regulating reducer, a left cover, a second-level big gear, a third-level small gear, a speed regulating structure, a motor cover, a motor rotating shaft, a motor, a power line and a CVP stepless speed changer. The CVP continuously variable transmission includes a housing, a sensor assembly, a gear ring, a spindle assembly, an input cam ring, a lower cage assembly, a lower traction ring, a planetary ball assembly, an upper traction ring, an upper cage assembly, an output cam ring, a hub output assembly, a hub cover, a secondary gear shaft, and an eccentric shaft assembly. The central motor stepless speed change device can automatically regulate the speed and open or close the electric power assistance according to the riding state through the information such as the riding speed, the torque and the like of the sensor in real time, the transmission is stable, and the riding experience is good.
Description
Technical Field
The invention relates to a speed change device, in particular to a middle-mounted motor stepless speed change device.
Background
The bicycle trip is a low carbon trip mode commonly used, and because of its low carbon, brief, in trip or the travel of closely, the bicycle is a convenient trip mode that extensively adopts. At present, two kinds of bicycles with variable speed and constant speed are mainly available on the market: the traditional bicycle is generally not provided with a speed change mechanism, and is difficult to ride on complex road conditions. At present, a high-grade electric power-assisted bicycle usually adopts a continuously variable transmission similar to that disclosed by the publication No. CN207034119U to realize speed change, and compared with a transmission speed change mode, the speed change process of the high-grade electric power-assisted bicycle has no pause phenomenon and the riding experience is good. However, in the use process, the electric power-assisted bicycle has two kinds of power, one is from treading by a human foot, the other is from electric power of a battery, in the use process, the manpower and the electric power are difficult to coordinate and unify, and the intervention of the electric power easily causes the sudden acceleration or deceleration of the speed, so that a stepless speed change device which has stable transmission and can control the operation of the motor according to road conditions is needed.
Disclosure of Invention
The invention aims to: aiming at the problems, the defects are overcome, and the middle-placed motor stepless speed change device is compact in structure, stable in transmission and capable of automatically controlling power output according to road conditions.
The technical scheme is as follows: a kind of middle-placed motor stepless speed change device, including outputting the right cover, PCBA control circuit board, speed governing electrical machinery, speed governing decelerator, left cover, second level big gear, third level pinion, speed governing structure, motor cover, motor axis of rotation, motor, power cord, CVP stepless speed change gear. The CVP continuously variable transmission includes a housing, a sensor assembly, a gear ring, a spindle assembly, an input cam ring, a lower cage assembly, a lower traction ring, a planetary ball assembly, an upper traction ring, an upper cage assembly, an output cam ring, a hub output assembly, a hub cover, a secondary gear shaft, and an eccentric shaft assembly. PCBA control circuit board control speed regulating motor and motor, the power cord is connected with external power source, for PCBA control circuit board, speed regulating motor and motor provide the power, the sensor is connected through the cable with PCBA control circuit board, and the signal transmission that will collect gives PCBA control circuit board. The speed regulation reducer is installed on the main shaft of the speed regulation motor, the output end of the speed regulation reducer is connected with the speed regulation structure, the speed regulation structure is connected with the eccentric shaft assembly, and the eccentric shaft assembly is connected with the speed regulation disk on the planet ball assembly. The main shaft assembly is provided with a planetary gear set and is meshed with a gear ring, the main shaft assembly drives an input cam ring to rotate through key connection, the periphery of the input cam ring is provided with outer teeth which are meshed with fixed teeth on a secondary gear shaft, the input cam ring and a lower traction ring are provided with corresponding end face teeth, a lower retainer assembly is arranged between the end face of the input cam ring and the end face of the lower traction ring, and the planetary ball assembly comprises a plurality of pairs of tiltable planetary balls and realizes the adjustment of the inclination angle of the planetary balls through a speed adjusting disc. The lower traction ring drives the planet ball of the planet ball component to rotate through friction force, the planet ball of the planet ball component drives the upper traction ring through friction force, the upper traction ring is provided with end face teeth to drive the upper retainer component to rotate, the upper retainer component drives an output cam ring with the end face teeth, and the output cam ring is connected with the hub output component through a key. The second-stage large gear is mounted on the second-stage gear shaft through key connection, the second-stage large gear is meshed with the third-stage small gear, and the third-stage small gear is mounted on the motor rotating shaft. The sensor assembly, the gear ring, the spindle assembly, the input cam ring, the lower retainer assembly, the lower traction ring, the planet ball assembly, the upper traction ring, the upper retainer assembly and the output cam ring are arranged in a CVP stepless speed changer shell, and the hub cover is connected with the shell through threads.
Furthermore, the middle motor stepless speed change device also comprises an input check ring, an input thrust bearing, a support ring, an output thrust bearing, an output check ring and a matching gasket, wherein the input check ring is in contact with the gear ring, the input thrust bearing is arranged between the input check ring and the input cam ring, the lower retainer assembly and the lower traction ring are respectively arranged in the support ring, the support ring is arranged in the shell, the output thrust bearing and the output check ring are arranged in the hub cover, and the output thrust bearing is arranged between the output cam ring and the output check ring. And the matching gasket is arranged in the hub cover and used for adjusting the axial tightness of the stepless speed change device of the middle-placed motor.
Furthermore, the lower retainer assembly and the upper retainer assembly have the same structure and respectively comprise a retainer and rollers, the rollers are uniformly distributed along the circumferential direction of the retainer, and the rollers can rotate along the radial direction of the retainer.
Furthermore, a speed sensor, a pressure sensor and a gravity sensing sensor are arranged on the sensor assembly.
Furthermore, the second-stage large gear and the third-stage small gear are bevel gears.
The riding personnel drive the main shaft assembly to rotate through the pedal and the crankshaft, the main shaft assembly drives the input cam ring to rotate through key connection, the lower retainer assembly, the lower traction ring, the planet ball assembly, the upper traction ring, the upper retainer assembly, the output cam ring and the hub output assembly are sequentially driven to rotate, and the hub output assembly drives the chain and the like to realize power output. The sensor will put the speed of motor infinitely variable speed device in, information transmission such as internal torque gives PCBA control circuit board, when riding in the process of painstaking running such as uphill, the moment of torsion increase, speed reduces, PCBA control circuit board obtains after the information, start the buncher, drive the rotation of speed governing structure through the speed governing reduction gear, the speed governing structure drives the rotation of eccentric shaft subassembly, the rotation of speed governing dish on the eccentric shaft subassembly drive planet ball subassembly, the change of speed governing dish drive planet ball inclination, make input cam ring and output cam ring drive ratio diminish, PCBA control circuit board control motor rotates simultaneously, motor drive tertiary pinion, tertiary pinion drives the second gear wheel, second gear wheel drive second gear shaft, fixed tooth on the second gear shaft meshes with input cam ring circumference gear, drive input cam ring rotates, alleviate personnel's burden of riding. When the moment of torsion reduces, during the speed increase, PCBA control circuit board control motor stall to control buncher and increase the drive ratio, reach good experience of riding.
The principle of the invention is as follows: through the relevant information such as the rotational speed of the central motor infinitely variable device input of sensor component collection, pressure and moment of torsion, and give PCBA control circuit board with above-mentioned information transmission, PCBA control circuit board control speed regulating motor rotates, speed regulating motor drives the eccentric shaft through the speed governing structure and rotates, the realization is to planet ball inclination's regulation, reach automatic speed regulation's purpose, when being in the state of labouring such as uphill, the drive ratio diminishes, realize the increase of moment of torsion, PCBA control panel control motor amount rotates simultaneously, the motor passes through secondary gear, drive input cam ring and rotate, realize electronic helping hand, when being in the normal state of riding, PCBA control circuit board control speed regulating motor rotates the grow of drive ratio, and control motor stall.
Has the advantages that: compared with the prior art, the invention has the advantages that: through information such as speed, the moment of torsion of sensor real-time supervision riding, can open or close electronic helping hand according to the state of riding is automatic carry out the speed governing, and the transmission is steady, and ride and experience well.
Drawings
Fig. 1 is an exploded perspective view of the present invention.
Fig. 2 is an exploded perspective view of a CVP continuously variable transmission according to the present invention.
Fig. 3 is a perspective view of the present invention.
Detailed Description
As shown in fig. 1 and fig. 2, the central motor stepless speed change device comprises an output right cover 1, a PCBA control circuit board 2, a speed regulation motor 3, a speed regulation reducer 4, a left cover 5, a second-stage large gear 6, a third-stage small gear 7, a speed regulation structure 8, a motor cover 9, a motor rotating shaft 10, a motor 11, a power cord 33 and a CVP stepless speed changer 34. The CVP continuously variable transmission 34 includes a housing 12, a sensor assembly 13, a gear ring 14, an input retainer ring 15, an input thrust bearing 16, a spindle assembly 17, an input cam ring 18, a lower cage assembly 19, a lower traction ring 20, a support ring 21, a planetary ball assembly 22, an upper traction ring 23, an upper cage assembly 24, an output cam ring 25, a hub output assembly 26, an output thrust bearing 27, an output retainer ring 28, a mating washer 29, a hub cover 30, a secondary gear shaft 31, and an eccentric shaft assembly 32.
PCBA control circuit board 2, buncher 3, speed governing reduction gear 4 install in shell 12, and output right side lid 1, left side lid 5 pass through the screw installation on shell 12. The output right cover 1 covers the PCBA control circuit board 2, the speed regulating motor 3 and the speed regulating reducer 4, and the left cover 5 covers the second-stage large gear 6, the third-stage small gear 7 and the motor 11.
The speed regulation reducer 4 is installed on the main shaft of the speed regulation motor 3, the output end of the speed regulation reducer 4 is connected with the speed regulation structure 8, the speed regulation structure 8 is connected with the eccentric shaft assembly 32, and the eccentric shaft assembly 32 is connected with the speed regulation disc on the planet ball assembly 22. The main shaft assembly 17 is provided with a planetary gear set which is meshed with the gear ring 14, the main shaft assembly 17 drives the input cam ring 18 to rotate through key connection, the circumferential surface of the input cam ring 18 is provided with external teeth which are meshed with fixed teeth on the secondary gear shaft 31, the input cam ring 18 and the lower traction ring 20 are provided with corresponding end face teeth, and the lower retainer assembly 19 is arranged between the end face of the input cam ring 18 and the end face of the lower traction ring 20. The lower retainer assembly 19 and the upper retainer assembly 24 have the same structure and both comprise a retainer and rollers, the rollers are uniformly distributed along the circumferential direction of the retainer, and the rollers can rotate along the radial direction of the retainer. The planetary ball assembly 22 comprises a plurality of pairs of tiltable planetary balls, and the adjustment of the inclination angles of the planetary balls is realized through a speed regulation disc. The lower traction ring 20 drives planetary balls of the planetary ball assembly 22 to rotate through friction force, the planetary balls of the planetary ball assembly 22 drives an upper traction ring 23 through friction force, the upper traction ring 23 is provided with end face teeth and drives an upper retainer assembly 24 to rotate, the upper retainer assembly 24 drives an output cam ring 25 with the end face teeth, and the output cam ring 25 is connected with a hub output assembly 26 through a key.
PCBA control circuit board 2 control buncher 3 and motor 11, power cord 33 is connected with external power source, provides the power for PCBA control circuit board 2, buncher 3 and motor 11. The sensor component 13 comprises a speed sensor, a pressure sensor and a gravity sensing sensor, and is connected with the PCBA control circuit board 2 through a cable.
The second-stage large gear 6 is mounted on the second-stage gear shaft 31 through key connection, the second-stage large gear 6 is meshed with the third-stage small gear 7, and the third-stage small gear 7 is mounted on the motor rotating shaft 10. The input retainer 15 is in contact with the gear ring 14, the input thrust bearing 16 is disposed between the input retainer 15 and the input cam ring 18, the lower retainer assembly 19 and the lower traction ring 20 are respectively mounted in the support ring 21, the support ring 21 is mounted in the housing 12, the output thrust bearing 27 and the output retainer 28 are mounted in the hub cover 30, and the output thrust bearing 27 is disposed between the output cam ring 25 and the output retainer 28.
Claims (6)
1. A middle-mounted motor stepless speed change device comprises an output right cover (1), a PCBA control circuit board (2), a speed regulating motor (3), a speed regulating reducer (4), a left cover (5), a second-level large gear (6), a third-level small gear (7), a speed regulating structure (8), a motor cover (9), a motor rotating shaft (10), a motor (11), a power line (33) and a CVP stepless speed changer (34); the CVP continuously variable transmission (34) is characterized by comprising a shell (12), a sensor assembly (13), a gear ring (14), a spindle assembly (17), an input cam ring (18), a lower retainer assembly (19), a lower traction ring (20), a planet ball assembly (22), an upper traction ring (23), an upper retainer assembly (24), an output cam ring (25), a hub output assembly (26), a hub cover (30), a secondary gear shaft (31) and an eccentric shaft assembly (32); the PCBA control circuit board (2) controls the speed regulating motor (3) and the motor (11), a power line (33) is connected with an external power supply to provide power for the PCBA control circuit board (2), the speed regulating motor (3) and the motor (11), and the sensor component (13) is connected with the PCBA control circuit board (2) through a cable; the speed regulation reducer (4) is arranged on a main shaft of the speed regulation motor (3), the output end of the speed regulation reducer (4) is connected with the speed regulation structure (8), the speed regulation structure (8) is connected with the eccentric shaft assembly (32), and the eccentric shaft assembly (32) is connected with a speed regulation disc on the planet ball assembly (22); the main shaft assembly (17) is provided with a planetary gear set and meshed with the gear ring (14), the main shaft assembly (17) drives the input cam ring (18) to rotate through key connection, the circumferential surface of the input cam ring (18) is provided with external teeth which are meshed with fixed teeth on the secondary gear shaft (31), the input cam ring (18) and the lower traction ring (20) are provided with corresponding end face teeth, and the lower retainer assembly (19) is arranged between the end tooth face of the input cam ring (18) and the end tooth face of the lower traction ring (20); the planet ball assembly (22) comprises a plurality of pairs of tiltable planet balls, and the inclination angle of the planet balls is adjusted through a speed regulation disc; the lower traction ring (20) drives planetary balls of a planetary ball assembly (22) to rotate through friction force, the planetary balls of the planetary ball assembly (22) drive an upper traction ring (23) through friction force, the upper traction ring (23) is provided with end face teeth and drives an upper retainer assembly (24) to rotate, the upper retainer assembly (24) drives an output cam ring (25) with the end face teeth, and the output cam ring (25) is connected with a hub output assembly (26) through a key; the secondary gearwheel (6) is connected with the secondary gear shaft (31) through a key, the secondary gearwheel (6) is meshed with the tertiary pinion (7), and the tertiary pinion (7) is arranged on the motor rotating shaft (10).
2. The centrally-mounted motor continuously variable transmission device according to claim 1, characterized in that: the input retainer ring (15) is in contact with the gear ring (14), the input thrust bearing (16) is arranged between the input retainer ring (15) and the input cam ring (18), the lower retainer frame assembly (19) and the lower traction ring (20) are respectively arranged in the support ring (21), and the support ring (21) is arranged in the shell (12); the output thrust bearing (27) and the output retainer ring (28) are arranged in the hub cover (30), and the output thrust bearing (27) is arranged between the output cam ring (25) and the output retainer ring (28).
3. The centrally-mounted motor continuously variable transmission device according to claim 2, characterized in that: also includes a mating washer (29) mounted within the hubcap (30).
4. The centrally-mounted motor continuously variable transmission device according to claim 1 or 2, characterized in that: the lower retainer assembly (19) and the upper retainer assembly (24) are identical in structure and respectively comprise a retainer and rollers, the rollers are uniformly distributed along the circumferential direction of the retainer, and the rollers can rotate along the radial direction of the retainer.
5. The centrally-mounted motor continuously variable transmission device according to claim 1 or 2, characterized in that: and the sensor assembly (13) is provided with a speed sensor, a pressure sensor and a gravity sensing sensor.
6. The centrally-mounted motor continuously variable transmission device according to claim 1 or 2, characterized in that: the second-stage large gear (6) and the third-stage small gear (7) are helical gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011307875.8A CN112441183B (en) | 2020-11-20 | 2020-11-20 | Stepless speed change device for middle-mounted motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011307875.8A CN112441183B (en) | 2020-11-20 | 2020-11-20 | Stepless speed change device for middle-mounted motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112441183A CN112441183A (en) | 2021-03-05 |
| CN112441183B true CN112441183B (en) | 2022-08-12 |
Family
ID=74738091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011307875.8A Active CN112441183B (en) | 2020-11-20 | 2020-11-20 | Stepless speed change device for middle-mounted motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112441183B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2254059Y (en) * | 1996-04-28 | 1997-05-14 | 张兵 | Electrically driven stepless speed variation bicycle |
| CN2491327Y (en) * | 2001-07-05 | 2002-05-15 | 刘秦勤 | Stageless speed variator of bicycle |
| KR20130059610A (en) * | 2011-11-29 | 2013-06-07 | 메탈릭스시스템(주) | Continuously variable transmission with moter |
| CN103600805A (en) * | 2013-10-28 | 2014-02-26 | 南通雷圣特种电机有限公司 | Novel assistance electric bicycle power device and arranging method thereof |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL2342479T3 (en) * | 2008-10-14 | 2013-10-31 | Fallbrook Ip Co Llc | Continuously variable transmission |
| US8256554B2 (en) * | 2010-01-22 | 2012-09-04 | Foster Assets Corporation | Pedal driven apparatus having a motor |
| KR101379916B1 (en) * | 2012-07-17 | 2014-04-14 | 한서대학교 산학협력단 | Bicycle having continuously variable transmission of motor mount |
| CN108068988A (en) * | 2016-11-18 | 2018-05-25 | 杨明芳 | Realize the stepless speed change device of bicycle variable speed |
| CN207034119U (en) * | 2017-06-21 | 2018-02-23 | 江苏创斯达科技有限公司 | A kind of buncher |
| CN107989970A (en) * | 2018-01-08 | 2018-05-04 | 王立新 | Friction type stepless speed changer |
| CN211918923U (en) * | 2019-12-10 | 2020-11-13 | 江苏创斯达科技有限公司 | High transmission ratio stepless speed changer for bicycle |
| CN211918924U (en) * | 2019-12-10 | 2020-11-13 | 江苏创斯达科技有限公司 | An intelligent bicycle continuously variable transmission |
| CN111559458A (en) * | 2020-05-08 | 2020-08-21 | 江苏创斯达科技有限公司 | Rear wheel driving device of power-assisted bicycle |
| CN111467749A (en) * | 2020-05-08 | 2020-07-31 | 江苏创斯达科技有限公司 | A mid-mounted CVP continuously variable transmission fitness bicycle |
-
2020
- 2020-11-20 CN CN202011307875.8A patent/CN112441183B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2254059Y (en) * | 1996-04-28 | 1997-05-14 | 张兵 | Electrically driven stepless speed variation bicycle |
| CN2491327Y (en) * | 2001-07-05 | 2002-05-15 | 刘秦勤 | Stageless speed variator of bicycle |
| KR20130059610A (en) * | 2011-11-29 | 2013-06-07 | 메탈릭스시스템(주) | Continuously variable transmission with moter |
| CN103600805A (en) * | 2013-10-28 | 2014-02-26 | 南通雷圣特种电机有限公司 | Novel assistance electric bicycle power device and arranging method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112441183A (en) | 2021-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3148233B2 (en) | Planetary gear system for hybrid traveling vehicles | |
| US4961719A (en) | Variable drive transmission | |
| US10150534B2 (en) | Motorized gear reducer | |
| CN212290182U (en) | Mid-mounted motor drive system | |
| CN112441183B (en) | Stepless speed change device for middle-mounted motor | |
| CN106671701A (en) | Novel hub reduction front steering drive axle | |
| CN207034119U (en) | A kind of buncher | |
| CN205945397U (en) | Electric wheel hub subassembly | |
| CN2738458Y (en) | Commutating hub of electric machine | |
| CN107191565A (en) | A kind of buncher | |
| CN101985307A (en) | Speed change and electricity generation electric dual-purpose bicycle | |
| CN208686902U (en) | The double dynamical infinitely variable transmission of electric vehicle | |
| CN115848483B (en) | Linear driving device for steering wheel of automobile | |
| CN109606531A (en) | Bicycle shaft transmission multi-stage internal speed change device | |
| CN223821929U (en) | Self-adaptive speed change control system, bicycle and bicycle speed change system | |
| US20240294230A1 (en) | A continuously variable transmission drive system | |
| CN2527499Y (en) | Automatic adjuster for speed variator of motorcycle | |
| CN221623820U (en) | A feel simulator structure for drive-by-wire turns to | |
| CN108506481B (en) | Electric control speed regulating system matched with stepless speed change hub | |
| CN2693515Y (en) | Electric wheel hub of electric vehicle | |
| CN217673063U (en) | Automatic transmission | |
| CN221665268U (en) | A stepless speed regulator | |
| CN221477426U (en) | Automatic speed change mechanism and hub motor | |
| CN2878189Y (en) | Improved electric bicycle driving device | |
| CN211259498U (en) | Yaw controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |