CN2693515Y - Electric wheel hub of electric vehicle - Google Patents
Electric wheel hub of electric vehicle Download PDFInfo
- Publication number
- CN2693515Y CN2693515Y CNU2004200256683U CN200420025668U CN2693515Y CN 2693515 Y CN2693515 Y CN 2693515Y CN U2004200256683 U CNU2004200256683 U CN U2004200256683U CN 200420025668 U CN200420025668 U CN 200420025668U CN 2693515 Y CN2693515 Y CN 2693515Y
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- CN
- China
- Prior art keywords
- wheel hub
- gear
- deceleration system
- electric
- clutch
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to a delivery vehicle, particularly to an electric wheel hub on an electric vehicle, the housing of the wheel hub is formed from the housing body of the wheel hub and the end cap of the wheel hub, and two sets of motor shafts and motors respectively arranged in an opposite direction are supported inside the housing by bearings. The output shaft of each motor is connected with a deceleration system by an overrunning clutch, and the deceleration system is in a rotary connection with the wheel hub. The utility model is characterized in that the two sets of overrunning clutches share the same set of deceleration system. The two sets of motors in the electric wheel hub share the same set of deceleration system, so the manufacturing cost is effectively saved, the structure is simplified, and the dynamic performance is optimized.
Description
Technical field
The utility model relates to means of delivery, the electric wheel hub on specifically a kind of battery-driven car.
Background technology
Electrical Bicycle etc. with the vehicle of electricity as propulsion source in, usually all with the motor drives wheel hub that is arranged at the wheel nave position drive wheels rotate, the characteristics of this type of drive are: volume is little, it is steadily reliable to drive, be subjected to external interference few.At present, in this class drive type electric wheel hub, be used for driving the driver train that wheel hub rotates and generally only be equipped with an electrical motor as power driven, such design usually hypodynamic problem can occur driving when heavy duty or load increase.For overcoming this problem, the normal employing is provided with drive system simultaneously separately respectively independently at different wheel nave places, a plurality of wheels are driven simultaneously, but this mode not only cause cost to increase because of repeating to be provided with, and to bring waste of power and potential safety hazard because of multi-faceted driving.
For this reason, the applicant had once applied for a kind of patent (patent No.: ZL99241743.0), solved the problems referred to above effectively that two cover driver trains are installed in same wheel hub.But find still that through use after a while there are some problems in this scheme: one, overriding clutch causes clutch fading easily in the final stage of speed reduction gearing.Two, every electrical motor all has and overlaps independently deceleration system, has both increased the weight of productive costs and product, influences the coordination of its physical construction again.
Summary of the invention
At above-mentioned situation, the utility model provides a kind of later-model electric wheel hub of electric vehicle, and the shared cover deceleration system of the two motors in this electric wheel hub has been saved productive costs effectively, simplifies the structure, and has optimized tractive performance.
According to design plan provided by the utility model, two cover motor reel and the electrical motors that in the hub shell that constitutes by hub shell and wheel hub end housing, utilize bearings to arrange in opposite directions respectively, the output shaft of every electrical motor is connected with deceleration system through overriding clutch, deceleration system is rotationally connected with wheel hub again, it is characterized in that: the shared cover deceleration system of two cover overriding clutchs.
In deceleration system, the inwall and the overriding clutch of sun gear are connected, the external tooth on the sun gear with and planetary reduction gear engagement, planetary reduction gear meshes with the internally toothed annulus that is arranged at the wheel hub casing inner wall with satellite gear engagement, satellite gear.The symmetrical structure that planetary reduction gear is formed for middle big retarding gear and the little reducing gear that is positioned at both sides.Planetary wheel is made up of two identical gears that are installed on the same compensating-gear shaft, each gear respectively simultaneously with planetary reduction gear in two planetary reduction gear pinion, mesh with gear ring simultaneously again.
Dispose a cover overriding clutch on every motor output shaft, clutch structure is that every electrical motor all can be to two overdrive clutch structures of each overriding clutch output torque.In the axis hole of sun gear, two cover overriding clutchs are installed simultaneously.
The utility model is press-fitted two cover overriding clutchs simultaneously in the axis hole of sun gear, each organizes electrical motor all can be to the overriding clutch output torque, and the work electrical motor does not disturb mutually with the electrical motor of not working.Epicyclic reduction gear is a symmetrical structure, the engagement of reduction pinion teeth and gear ring, this symmetrical expression cooperates, make its deceleration system running more steady, stressed more even, output torque is bigger, it is more reliable to use.
Description of drawings
Fig. 1 is a constructional drawing of the present utility model.
The specific embodiment
As shown in the figure: in the hub shell that constitutes by hub shell 11 and wheel hub end housing 2, utilize bearing 14 to support respectively two of arrangement cover motor reel 1 and electrical motors 13 in opposite directions, the output shaft 3 of every electrical motor 13 is connected with deceleration system through overriding clutch 5, deceleration system is rotationally connected with wheel hub again, and two cover overriding clutchs, 5 shared cover deceleration systems.Because two motors 13 shared cover deceleration systems with original comparing, simplify the structure, and have optimized tractive performance.
In deceleration system, the inwall of sun gear 6 and overriding clutch 5 are connected, the external tooth on the sun gear 6 with and planetary reduction gear 7 engagement, planetary reduction gear 7 and satellite gear 9 engagements, satellite gear 9 and the internally toothed annulus engagement that is arranged at hub shell 11 inwalls.So that give wheel hub with the transmission of power of electrical motor 13,
Planetary reduction gear 7 is installed on the planetary reduction gear axle 8, the symmetrical structure that its structure is formed for middle big retarding gear and the little reducing gear that is positioned at both sides.Big retarding gear wherein and sun gear 6 engagements, little reducing gear then meshes with satellite gear 9.This layout can improve the tractive performance of driving system.
Planetary wheel 9 is made up of two identical gears that are installed on the same compensating-gear shaft 10, each gear respectively simultaneously with planetary reduction gear 7 in two planetary reduction gear pinion, mesh with gear ring simultaneously again.After utilizing the engagement of two identical planetary wheels and gear ring, can make transmission more steady, the strained condition of part is more reasonable.
Dispose a cover overriding clutch 5 on the output shaft 3 of every electrical motor 13, overriding clutch 5 is installed on the clutch shaft 4, the clutch structure of overriding clutch 5 is that every electrical motor 13 all can be to two overdrive clutch structures of each overriding clutch 5 output torque, make two motors 13 both can work independently, can work simultaneously again, not disturb each other.In the axis hole of sun gear 6, two cover overriding clutchs 5 are installed simultaneously, this layout is compact, reasonable.
During work, rotatablely moving of electrical motor 13 by the output shaft 3 drive clutch spindles 4 of electrical motor 13, clutch spindle 4 drives overriding clutch 5, overriding clutch 5 drives the sun gear 6 that cooperatively interacts with it again and rotates synchronously, the big retarding gear mesh of sun gear 6 and planetary reduction gear 7, moment of torsion is passed to planetary reduction gear 7, the little reducing gear of planetary reduction gear 7 drives hub shell 11 rotations by the internally toothed annulus of hub shell 11 inwalls, gear ring and hub shell 11 are force fit, hub shell 11 drives end cap 2 again, end cap 2 rotates around motor reel 1 under the support of bearing 14, makes electric wheel hub pass torque to wheel.
Claims (6)
1, electric wheel hub of electric vehicle, two cover motor reel and the electrical motors that in the hub shell that constitutes by hub shell and wheel hub end housing, utilize bearings to arrange in opposite directions respectively, the output shaft of every electrical motor is connected with deceleration system through overriding clutch, deceleration system is rotationally connected with wheel hub again, it is characterized in that: the shared cover deceleration system of two cover overriding clutchs.
2, electric wheel hub according to claim 1, it is characterized in that: in deceleration system, the inwall and the overriding clutch of sun gear are connected, external tooth on the sun gear with and planetary reduction gear engagement, planetary reduction gear and satellite gear engagement, satellite gear and the internally toothed annulus engagement that is arranged at the wheel hub casing inner wall.
3, electric wheel hub according to claim 2 is characterized in that: the symmetrical structure that planetary reduction gear is formed for middle big retarding gear and the little reducing gear that is positioned at both sides.
4, electric wheel hub according to claim 1, it is characterized in that: planetary wheel is made up of two identical gears that are installed on the same compensating-gear shaft, each gear respectively simultaneously with planetary reduction gear in two planetary reduction gear pinion, mesh with gear ring simultaneously again.
5, electric wheel hub according to claim 1 is characterized in that: dispose a cover overriding clutch on every motor output shaft, clutch structure is that every electrical motor all can be to two overdrive clutch structures of each overriding clutch output torque.
6, electric wheel hub according to claim 2 is characterized in that: in the axis hole of sun gear, two cover overriding clutchs are installed simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200256683U CN2693515Y (en) | 2004-03-22 | 2004-03-22 | Electric wheel hub of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200256683U CN2693515Y (en) | 2004-03-22 | 2004-03-22 | Electric wheel hub of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2693515Y true CN2693515Y (en) | 2005-04-20 |
Family
ID=34771007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200256683U Expired - Fee Related CN2693515Y (en) | 2004-03-22 | 2004-03-22 | Electric wheel hub of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2693515Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351140C (en) * | 2005-05-31 | 2007-11-28 | 熊仿舒 | Electric wheel hub of electric vehicle |
| CN101941501A (en) * | 2010-08-26 | 2011-01-12 | 李化 | Electric force assisting vehicle drive wheel hub |
| CN102499831A (en) * | 2011-11-05 | 2012-06-20 | 陈戈平 | Power transmission system for electric wheelchair |
-
2004
- 2004-03-22 CN CNU2004200256683U patent/CN2693515Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351140C (en) * | 2005-05-31 | 2007-11-28 | 熊仿舒 | Electric wheel hub of electric vehicle |
| CN101941501A (en) * | 2010-08-26 | 2011-01-12 | 李化 | Electric force assisting vehicle drive wheel hub |
| CN101941501B (en) * | 2010-08-26 | 2013-04-17 | 李化 | Electric force assisting vehicle drive wheel hub |
| CN102499831A (en) * | 2011-11-05 | 2012-06-20 | 陈戈平 | Power transmission system for electric wheelchair |
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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 |