CN201268382Y - Drive apparatus of electric bicycle - Google Patents
Drive apparatus of electric bicycle Download PDFInfo
- Publication number
- CN201268382Y CN201268382Y CNU2008201850200U CN200820185020U CN201268382Y CN 201268382 Y CN201268382 Y CN 201268382Y CN U2008201850200 U CNU2008201850200 U CN U2008201850200U CN 200820185020 U CN200820185020 U CN 200820185020U CN 201268382 Y CN201268382 Y CN 201268382Y
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- Prior art keywords
- main shaft
- end cap
- gear
- enclosed
- engaging
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Abstract
The utility model discloses a driving set of an electric bicycle, which comprises a five-way piece and a main shaft arranged in the five-way piece, wherein an electric motor, a speed-reducing mechanism and a clutch mechanism are arranged in the five-way piece, the clutch mechanism is driven by the electric motor through the speed reducing mechanism, the main shaft is driven by the clutch mechanism, and wheels are driven by the main shaft through a chain wheel to advance. The driving device is arranged in the middle of the bicycle body, the main shaft and the chain wheel are driven by the electric motor to rotate, a rear wheel is driven by the chain wheel through a chain to advance, and consequently, the driving device has the same function with an electric wheel hub to drive the bicycle body to advance.
Description
Technical field
The utility model relates to a kind of actuating device of Electrical Bicycle.
Background technology
In recent years, Electrical Bicycle is accepted by consumers in general gradually as a kind of environmental protection, the energy-conservation vehicle, no matter still external at home, Electrical Bicycle sales volume is worldwide also increasing year by year, and the trend that Electrical Bicycle substitutes bicycle progressively enlarges.
Existing Electrical Bicycle mainly drives car body by electric wheel hub and advances, electric wheel hub mainly includes parts such as main shaft, wheel hub shell, motor, speed reduction gearing, power-transfer clutch and forms, wherein motor has internal rotor outer stator structure and outer rotor internal stator structure, and speed reduction gearing adopts planetary gear structure mostly.This class electric wheel hub mostly is installed on the trailing wheel of Electrical Bicycle, rotates by driven by motor wheel hub shell, realizes that wheel advances.
Summary of the invention
The utility model purpose is: a kind of actuating device that can equally with electric wheel hub drive the Electrical Bicycle that car body advances is provided, and this device is installed on the middle part of car body, and by the driven by motor main shaft, main shaft drives wheel by chain wheel and advances.
One of the technical solution of the utility model is: a kind of actuating device of Electrical Bicycle, comprise five-way and the main shaft that is installed in the five-way, motor, speed reduction gearing, engaging and disengaging gear also are installed in the described five-way, and motor via reducer structure drive engaging and disengaging gear, engaging and disengaging gear drive main shaft, main shaft drives wheel by chain wheel and advances;
Motor is the external stator inner rotor core, the inside and outside both sides of motor are respectively equipped with and fixing inner end cap and the outer end cap of five-way, stator is fixed between inner end cap and the outer end cap, inner end cap is separated between motor and speed reduction gearing, the porose sun gear that allows in the centre of inner end cap stretches out, the outside of outer end cap be provided with bearing carrier ring on the main shaft, the inboard is extended with lining and is enclosed within on the main shaft, rotor then by bearing carrier ring on lining; The outer rim of described inner end cap is extended with mounting ring to engaging and disengaging gear one side, and internally toothed annulus is fixed in the mounting ring, and the outside of engaging and disengaging gear is provided with the power-transfer clutch end cap, power-transfer clutch end cap and five-way fix and by bearing carrier ring on main shaft;
Described speed reduction gearing is the satellite gear speed reduction gearing, and the rotor sidepiece is provided with the sun gear that is enclosed within on the main shaft, sun gear and satellite gear engagement, the outer rim of satellite gear and internally toothed annulus engagement, internally toothed annulus and five-way relative fixed, the planet axis of satellite gear is fixed on the pinion carrier, and pinion carrier is enclosed within on the main shaft; Described speed reduction gearing has two-stage, the sidepiece of pinion carrier is provided with the secondary sun wheel that is enclosed within on the main shaft, be engaged with second satellite gear on the secondary sun wheel, the same and internally toothed annulus engagement of the outer rim of second satellite gear, second planet axis of second satellite gear is fixed on the engaging and disengaging gear;
Described engaging and disengaging gear comprises the inner ring and the outer ring that be fixed with second planet axis fixing with main shaft, the outer ring is provided with the groove of opening towards inner ring, the sidewall of groove to inner ring has spacing, spacing rotation direction of outer ring when battery-driven car advances reduces gradually, be provided with roller in the groove, the diameter of roller between the maxim and minimum value of spacing, the outer ring in the big end-grain cutting of groove to being provided with spring.
Two of the technical solution of the utility model is: a kind of actuating device of Electrical Bicycle, comprise five-way and the main shaft that is installed in the five-way, motor, speed reduction gearing, engaging and disengaging gear also are installed in the described five-way, and motor via reducer structure drive engaging and disengaging gear, engaging and disengaging gear drive main shaft, main shaft drives wheel by chain wheel and advances;
Described motor is an outer rotor internal stator structure, motor is provided with outer end cap, outer end cap by bearing carrier ring on main shaft, outer end cap is provided with outer snare and the interior snare that extends internally, outer snare and five-way are fixed, inner ring puts and is fixed with stator, and rotor is the peviform structure of opening to stator, and by bearing carrier ring on main shaft; The outside of described engaging and disengaging gear is provided with the power-transfer clutch end cap, and on main shaft, clutch end is covered with outer snare to the power-transfer clutch end cap and five-way is fixed by bearing carrier ring, and internally toothed annulus just is fixed in the outer snare;
Described speed reduction gearing is the satellite gear speed reduction gearing, and the rotor sidepiece is provided with the sun gear that is enclosed within on the main shaft, sun gear and satellite gear engagement, the outer rim of satellite gear and internally toothed annulus engagement, internally toothed annulus and five-way relative fixed, the planet axis of satellite gear is fixed on the pinion carrier, and pinion carrier is enclosed within on the main shaft; Described speed reduction gearing has two-stage, the sidepiece of pinion carrier is provided with the secondary sun wheel that is enclosed within on the main shaft, be engaged with second satellite gear on the secondary sun wheel, the same and internally toothed annulus engagement of the outer rim of second satellite gear, second planet axis of second satellite gear is fixed on the engaging and disengaging gear;
Described engaging and disengaging gear comprises the inner ring and the outer ring that be fixed with second planet axis fixing with main shaft, the outer ring is provided with the groove of opening towards inner ring, the sidewall of groove to inner ring has spacing, spacing rotation direction of outer ring when battery-driven car advances reduces gradually, be provided with roller in the groove, the diameter of roller between the maxim and minimum value of spacing, the outer ring in the big end-grain cutting of groove to being provided with spring.
The utility model advantage is:
1. the utility model is installed on the middle part of car body, and by the driven by motor main shaft, main shaft drives wheel by chain wheel and advances, thereby plays the effect the same with electric wheel hub, drives car body and advances.
2. the speed reduction gearing in the utility model has two-stage, and the power of motor is exported through twice deceleration, drives main axis rotation and reaches design goal, and it has characteristics such as good looking appearance, volume are little.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is enforcement figure of the present utility model;
Fig. 2 is the cutaway view of embodiment one;
Fig. 3 is the cutaway view of embodiment two;
Fig. 4 is the scheme drawing of engaging and disengaging gear in the utility model.
Wherein: 1 five-way; 2 main shafts; 3 motors; 4 speed reduction gearings; 5 engaging and disengaging gear; 6 chain wheels;
31 stators; 32 rotors; 33 inner end cap; 34 outer end caps; 35 mounting rings; 36 bearings; 37 linings; 38 bearings; 39 outer end caps; 391 outer snares; Snare in 392; 310 bearings; 311 bearings;
41 sun gears; 42 satellite gears; 43 internally toothed annuluss; 44 planet axis; 45 pinion carriers; 46 secondary sun wheels; 47 second satellite gears; 48 second planet axis;
51 inner rings; 52 outer rings; 53 grooves; 54 spacings; 55 rollers; 56 springs; 57 power-transfer clutch end caps; 58 bearings; 59 power-transfer clutch end caps; 510 bearings; 511 outer snares.
The specific embodiment
Embodiment one: as depicted in figs. 1 and 2, a kind of actuating device of Electrical Bicycle, comprise five-way 1 and the main shaft 2 that is installed in the five-way 1, motor 3, speed reduction gearing 4, engaging and disengaging gear 5 also are installed in the described five-way 1, and motor 3 drives wheels by chain wheel 6 and advances by speed reduction gearing 4 drive engaging and disengaging gear 5, engaging and disengaging gear 5 drive main shafts 2, main shaft 2.
Described motor 3 is the external stator inner rotor core, the inside and outside both sides of motor 3 are respectively equipped with inner end cap 33 and the outer end cap of fixing with five-way 1 34, stator 31 is fixed between inner end cap 33 and the outer end cap 34, inner end cap 33 is separated between motor 2 and speed reduction gearing 4, the porose sun gear 41 that allows in the centre of inner end cap 33 stretches out, the outside of outer end cap 34 is provided with that bearing 36 is enclosed within on the main shaft 2, the inboard is extended with lining 37 and is enclosed within on the main shaft 2, and 32 of rotors are enclosed within on the lining 37 by bearing 38.The outer rim of described inner end cap 33 is extended with mounting ring 35 to engaging and disengaging gear 5 one sides, and internally toothed annulus 43 is fixed in the mounting ring 35, and the outside of engaging and disengaging gear 5 is provided with power-transfer clutch end cap 57, and power-transfer clutch end cap 57 is fixed and is enclosed within on the main shaft 2 by bearing 58 with five-way 1.
Described speed reduction gearing 4 is the satellite gear speed reduction gearing, rotor 32 sidepieces are provided with the sun gear 41 that is enclosed within on the main shaft 2, sun gear 41 and satellite gear 42 engagements, the outer rim of satellite gear 42 and internally toothed annulus 43 engagements, internally toothed annulus 43 and five-way 1 relative fixed, the planet axis 44 of satellite gear 42 is fixed on the pinion carrier 45, and pinion carrier 45 is enclosed within on the main shaft 2; Described speed reduction gearing 4 has two-stage, the sidepiece of pinion carrier 45 is provided with the secondary sun wheel 46 that is enclosed within on the main shaft 2, be engaged with second satellite gear 47 on the secondary sun wheel 46, same and internally toothed annulus 43 engagements of the outer rim of second satellite gear 47, second planet axis 48 of second satellite gear 47 is fixed on the engaging and disengaging gear 5.
As shown in Figure 4, described engaging and disengaging gear 5 comprises inner ring of fixing with main shaft 2 51 and the outer ring 52 that is fixed with second planet axis 48, outer ring 52 is provided with the groove 53 of opening towards inner ring 51, the sidewall of groove 53 to inner ring 51 has spacing 54, spacing 54 rotation direction of outer ring 52 when battery-driven car advances reduces gradually, be provided with roller 55 in the groove 53, the diameter of roller 55 between the maxim and minimum value of spacing 54, outer ring 52 in the big end-grain cutting of groove 53 to being provided with spring 56.
As shown in Figure 4, when motor 3 rotates, rotor 32 rotates counterclockwise by the outer ring 52 that speed reduction gearing 4 drives engaging and disengaging gear 5, the rotation of outer ring 52 impels roller 55 to rotate in the same way, promptly the small end to groove 53 moves, and makes roller 55 with outer ring 52 and inner ring 51 chuckings, because inner ring 51 is fixing by keyway and main shaft 2, so the outer ring 52 of this moment drives main shaft 2 and chain wheel 6 rotates together in the same way, chain wheel 6 drives wheel by chain again and advances.
When motor 3 is not worked, when the people tramples pin, step drives main shaft 2, chain wheel 6 rotates counterclockwise, chain wheel 6 drives wheel by chain equally and advances, but because the inner ring 51 of engaging and disengaging gear 5 is fixing by keyway and main shaft 2, so inner ring 51 rotates with main shaft 2, the rotation of inner ring 51 impels roller 55 backward rotation, promptly the big end to groove 53 moves, and outer ring 52 and inner ring 51 are unclamped, so the people tramples pin and the main shaft that drives 2 rotates and can't exert an influence to motor 3.
Embodiment two: as shown in figures 1 and 3, a kind of actuating device of Electrical Bicycle, comprise five-way 1 and the main shaft 2 that is installed in the five-way 1, motor 3, speed reduction gearing 4, engaging and disengaging gear 5 also are installed in the described five-way 1, and motor 3 drives wheels by chain wheel 6 and advances by speed reduction gearing 4 drive engaging and disengaging gear 5, engaging and disengaging gear 5 drive main shafts 2, main shaft 2.
Described motor 3 is an outer rotor internal stator structure, motor 3 is provided with outer end cap 39, outer end cap 39 is enclosed within on the main shaft 2 by bearing 310, outer end cap 39 is provided with outer snare 391 and the interior snare 392 that extends internally, outer snare 391 is fixing with five-way 1, be fixed with stator 31 on the interior snare 392, rotor 32 is the peviform structure of opening to stator 31, and is enclosed within on the main shaft 2 by bearing 311.The outside of described engaging and disengaging gear 5 is provided with power-transfer clutch end cap 59, and power-transfer clutch end cap 59 is enclosed within on the main shaft 2 by bearing 510, and it is fixing with five-way 1 that power-transfer clutch end cap 59 is provided with outer snare 591, and internally toothed annulus 35 just is fixed in the outer snare 591.
Described speed reduction gearing 4 is the satellite gear speed reduction gearing, rotor 32 sidepieces are provided with the sun gear 41 that is enclosed within on the main shaft 2, sun gear 41 and satellite gear 42 engagements, the outer rim of satellite gear 42 and internally toothed annulus 43 engagements, internally toothed annulus 43 and five-way 1 relative fixed, the planet axis 44 of satellite gear 42 is fixed on the pinion carrier 45, and pinion carrier 45 is enclosed within on the main shaft 2; Described speed reduction gearing 4 has two-stage, the sidepiece of pinion carrier 45 is provided with the secondary sun wheel 46 that is enclosed within on the main shaft 2, be engaged with second satellite gear 47 on the secondary sun wheel 46, same and internally toothed annulus 43 engagements of the outer rim of second satellite gear 47, second planet axis 48 of second satellite gear 47 is fixed on the engaging and disengaging gear 5.
As shown in Figure 4, described engaging and disengaging gear 5 comprises inner ring of fixing with main shaft 2 51 and the outer ring 52 that is fixed with second planet axis 48, outer ring 52 is provided with the groove 53 of opening towards inner ring 51, the sidewall of groove 53 to inner ring 51 has spacing 54, spacing 54 rotation direction of outer ring 52 when battery-driven car advances reduces gradually, be provided with roller 55 in the groove 53, the diameter of roller 55 between the maxim and minimum value of spacing 54, outer ring 52 in the big end-grain cutting of groove 53 to being provided with spring 56.
As shown in Figure 4, when motor 3 rotates, rotor 32 rotates counterclockwise by the outer ring 52 that speed reduction gearing 4 drives engaging and disengaging gear 5, the rotation of outer ring 52 impels roller 55 to rotate in the same way, promptly the small end to groove 53 moves, and makes roller 55 with outer ring 52 and inner ring 51 chuckings, because inner ring 51 is fixing by keyway and main shaft 2, so the outer ring 52 of this moment drives main shaft 2 and chain wheel 6 rotates together in the same way, chain wheel 6 drives wheel by chain again and advances.
When motor 3 is not worked, when the people tramples pin, step drives main shaft 2, chain wheel 6 rotates counterclockwise, chain wheel 6 drives wheel by chain equally and advances, but because the inner ring 51 of engaging and disengaging gear 5 is fixing by keyway and main shaft 2, so inner ring 51 rotates with main shaft 2, the rotation of inner ring 51 impels roller 55 backward rotation, promptly the big end to groove 53 moves, and outer ring 52 and inner ring 51 are unclamped, so the people tramples pin and the main shaft that drives 2 rotates and can't exert an influence to motor 3.
Claims (8)
1. the actuating device of an Electrical Bicycle, comprise five-way (1) and be installed in main shaft (2) in the five-way (1), it is characterized in that: motor (3), speed reduction gearing (4), engaging and disengaging gear (5) also are installed in the described five-way (1), and motor (3) drives wheel by chain wheel (6) and advances by speed reduction gearing (4) drive engaging and disengaging gear (5), engaging and disengaging gear (5) drive main shaft (2), main shaft (2).
2. the actuating device of Electrical Bicycle according to claim 1, it is characterized in that: described speed reduction gearing (4) is the satellite gear speed reduction gearing, rotor (32) sidepiece of motor (3) is provided with the sun gear (41) that is enclosed within on the main shaft (2), sun gear (41) and satellite gear (42) engagement, the outer rim of satellite gear (42) and internally toothed annulus (43) engagement, internally toothed annulus (43) and five-way (1) relative fixed, the planet axis (44) of satellite gear (42) is fixed on the pinion carrier (45), and pinion carrier (45) is enclosed within on the main shaft (2).
3. the actuating device of Electrical Bicycle according to claim 2, it is characterized in that: described speed reduction gearing (4) has two-stage, the sidepiece of pinion carrier (45) is provided with the secondary sun wheel (46) that is enclosed within on the main shaft (2), be engaged with second satellite gear (47) on the secondary sun wheel (46), same and internally toothed annulus (43) engagement of the outer rim of second satellite gear (47), second planet axis (48) of second satellite gear (47) is fixed on the engaging and disengaging gear (5).
4. the actuating device of Electrical Bicycle according to claim 3, it is characterized in that: described engaging and disengaging gear (5) comprises the inner ring of fixing with main shaft (2) (51) and is fixed with the outer ring (52) of second planet axis (48), outer ring (52) is provided with the groove (53) of opening towards inner ring (51), the sidewall of groove (53) to inner ring (51) has spacing (54), spacing (54) rotation direction of outer ring (52) when battery-driven car advances reduces gradually, be provided with roller (55) in the groove (53), the diameter of roller (55) between the maxim and minimum value of spacing (54), outer ring (52) in the big end-grain cutting of groove (53) to being provided with spring (56).
5. the actuating device of Electrical Bicycle according to claim 1 and 2, it is characterized in that: described motor (3) is the external stator inner rotor core, the inside and outside both sides of motor (3) are respectively equipped with and fixing inner end cap (33) and the outer end cap (34) of five-way (1), stator (31) is fixed between inner end cap (33) and the outer end cap (34), inner end cap (33) is separated between motor (2) and speed reduction gearing (4), the porose sun gear (41) that allows in the centre of inner end cap (33) stretches out, the outside of outer end cap (34) is provided with bearing (36) and is enclosed within on the main shaft (2), the inboard is extended with lining (37) and is enclosed within on the main shaft (2), and rotor (32) then is enclosed within on the lining (37) by bearing (38).
6. the actuating device of Electrical Bicycle according to claim 5, it is characterized in that: the outer rim of described inner end cap (33) is extended with mounting ring (35) to engaging and disengaging gear (5) one sides, internally toothed annulus (43) is fixed in the mounting ring (35), the outside of engaging and disengaging gear (5) is provided with power-transfer clutch end cap (57), and power-transfer clutch end cap (57) is fixed with five-way (1) and is enclosed within on the main shaft (2) by bearing (58).
7. the actuating device of Electrical Bicycle according to claim 1 and 2, it is characterized in that: described motor (3) is outer rotor internal stator structure, motor (3) is provided with outer end cap (39), outer end cap (39) is enclosed within on the main shaft (2) by bearing (310), outer end cap (39) is provided with outer snare (391) and the interior snare (392) that extends internally, outer snare (391) is fixing with five-way (1), be fixed with stator (31) on the interior snare (392), rotor (32) is the peviform structure of opening to stator (31), and is enclosed within on the main shaft (2) by bearing (311).
8. the actuating device of Electrical Bicycle according to claim 7, it is characterized in that: the outside of described engaging and disengaging gear (5) is provided with power-transfer clutch end cap (59), power-transfer clutch end cap (59) is enclosed within on the main shaft (2) by bearing (510), it is fixing with five-way (1) that power-transfer clutch end cap (59) is provided with outer snare (591), and internally toothed annulus (35) just is fixed in the outer snare (591).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201850200U CN201268382Y (en) | 2008-08-08 | 2008-08-08 | Drive apparatus of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201850200U CN201268382Y (en) | 2008-08-08 | 2008-08-08 | Drive apparatus of electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201268382Y true CN201268382Y (en) | 2009-07-08 |
Family
ID=40840973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201850200U Expired - Fee Related CN201268382Y (en) | 2008-08-08 | 2008-08-08 | Drive apparatus of electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201268382Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856948A (en) * | 2010-06-03 | 2010-10-13 | 苏州八方电机科技有限公司 | Wheel hub of electric bicycle |
| CN102801245A (en) * | 2012-09-05 | 2012-11-28 | 四川阿克拉斯电动车有限公司 | Electric vehicle hub motor double clutch planet gear-shifting mechanism |
| CN105656243A (en) * | 2016-04-08 | 2016-06-08 | 北京摩拜科技有限公司 | Motor, motor system and charging and braking method |
-
2008
- 2008-08-08 CN CNU2008201850200U patent/CN201268382Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856948A (en) * | 2010-06-03 | 2010-10-13 | 苏州八方电机科技有限公司 | Wheel hub of electric bicycle |
| CN101856948B (en) * | 2010-06-03 | 2011-12-07 | 苏州八方电机科技有限公司 | Wheel hub of electric bicycle |
| CN102801245A (en) * | 2012-09-05 | 2012-11-28 | 四川阿克拉斯电动车有限公司 | Electric vehicle hub motor double clutch planet gear-shifting mechanism |
| CN102801245B (en) * | 2012-09-05 | 2014-06-04 | 四川阿克拉斯电动车有限公司 | Electric vehicle hub motor double clutch planet gear-shifting mechanism |
| CN105656243A (en) * | 2016-04-08 | 2016-06-08 | 北京摩拜科技有限公司 | Motor, motor system and charging and braking method |
| WO2017173885A1 (en) * | 2016-04-08 | 2017-10-12 | 北京摩拜科技有限公司 | Motor, motor system, and charging and braking method |
| CN105656243B (en) * | 2016-04-08 | 2023-06-30 | 汉海信息技术(上海)有限公司 | Motor, motor system and charging and braking method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20160808 |