CN2825348Y - Hub of electric vehicle - Google Patents
Hub of electric vehicle Download PDFInfo
- Publication number
- CN2825348Y CN2825348Y CN 200520118525 CN200520118525U CN2825348Y CN 2825348 Y CN2825348 Y CN 2825348Y CN 200520118525 CN200520118525 CN 200520118525 CN 200520118525 U CN200520118525 U CN 200520118525U CN 2825348 Y CN2825348 Y CN 2825348Y
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- CN
- China
- Prior art keywords
- hub
- wheel
- magnetic field
- electric vehicle
- pivot shaft
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a hub of an electric vehicle, which comprises a hub support shaft and a hub body, wherein the hub body is arranged on the hub support shaft and comprises a hub shell; a motor, a planetary wheel speed reducer and a one-way clutch are orderly arranged on the hub support shaft and in the hub shell, wherein the motor is a rotating motor outside a magnetic field; a driving gear of a planetary speed reducer is arranged on a magnetic field assembly, which can be used as an output shaft of the magnetic field assembly. Both ends of the planetary wheel are respectively supported on an outer ring of the one-way clutch and a support sheet of the planetary wheel, realizing double support. Magnetic field assemblies, expecting the hub of electric vehicle, are rotors; thereby, the abrasion of an armature assembly can be reduced; the accuracy and the long lifetime of the armature assembly can be increased; moreover, the efficiency of the motor is improved. The planetary wheel adopts a double supporting structure and increases the operation accuracy of the planetary wheel; the load balancing of the planetary wheel can be ensured. The conversion efficiency of the integrative hub can be raised; the volume and the weight of the hub can be decreased.
Description
Technical field
The utility model relates to a kind of battery-driven car driven unit, particularly a kind of integrated stack-mounted electric vehicle hub.
Background technology
The popularity of Electrical Bicycle is more and more higher, people are also more and more higher to the requirement of battery-driven car, low energy consumption, small size, low weight, high torque (HT) are the requirements the most basic to electric vehicle hub, but the defective that existing electric vehicle hub ubiquity volume is big, weight is big can not well satisfy people's requirement.
Summary of the invention
The purpose of this utility model is to provide a kind of small and light and electric wheel hub assembly that output torque is big, to overcome above-mentioned defective.
Electric vehicle hub of the present utility model comprises wheel hub pivot shaft and hub body, and described hub body is arranged on the wheel hub pivot shaft, comprises hub shell, and motor, planet wheel decelerator and free-wheel clutch are successively set on the wheel hub pivot shaft in the hub shell.
Described wheel hub pivot shaft is provided with the installation gear of each parts, and near motor one end the axle be hollow shaft, power outlet is set in the hollow shaft, and sealed waterproof device is set in axis hole.
Described motor is the brush-less permanent magnetic torque motor, comprises armature assembly and magnetic field component, and wherein armature assembly is a stator, magnetic field component is a rotor, armature assembly comprises armature loop and armature plate, and armature loop and armature plate are fixed on the wheel hub pivot shaft, and armature plate is provided with position transduser; Magnetic field component is fixed on the electric machine casing, and housing is arranged on the wheel hub pivot shaft by bearing.
Described planetary reduction gear is the four lines star wheel structure, to guarantee the service life and the overload capacity of satellite gear, driving gear is arranged on the magnetic field component, as the output shaft of magnetic field component, the two ends of satellite gear are supported on respectively on the outer ring and satellite gear supporting blade of free-wheel clutch, realize double bracing.Guarantee the distribution precision of satellite gear circumferential position, planet wheel spindle and free-wheel clutch outer ring negative thread connection structure guarantee the axial location of planet wheel spindle, make that its running is steady, noise is low, horsepower output is big.
The inner ring of described free-wheel clutch is fixed on the wheel hub pivot shaft, and the outer ring is connected with planet wheel spindle.Make isolator outer ring double as pinion carrier, while isolator outer ring has certain unsteady, the load of uniform distribution four lines star-wheel.
Because magnetic field component is a rotor beyond the above-mentioned battery-driven car assembly of the present utility model, thereby has reduced the wearing and tearing of armature assembly, has improved the precision of armature assembly and the life-span of armature assembly, and then can improve efficiency of motor.Satellite gear adopts four lines star dual-support structure, has improved the running precision of satellite gear, guarantees the load balancing of satellite gear.Whole wheel hub can improve conversion efficiency greatly, reduces the wheel hub volume and weight.
Description of drawings
Fig. 1 is the cross-sectional view of electric vehicle hub of the present utility model;
Fig. 2 is a construction profile scheme drawing of the present utility model;
Fig. 3 is a position transduser mounting structure scheme drawing of the present utility model;
Fig. 4 is satellite gear of the present utility model and free-wheel clutch connection structure scheme drawing.
The specific embodiment
As shown in Figure 1, electric wheel hub of the present utility model is to be provided with hub body 5 and wheel hub end housing 2 on wheel hub pivot shaft 7, and seal ring 8 and bearing 6 be set between hub body 5 and wheel hub pivot shaft 7, simultaneously bearing 1 and seal ring 10 are set and in hub body 5, are provided with armature assembly 3, magnetic field component 12, planetary reduction gear 4 and free-wheel clutch 9 at wheel hub end housing 2 and 7 of wheel hub pivot shafts, each parts and hub body 5 all are arranged on the assigned address of wheel hub pivot shaft 7 itself, and respectively are provided with the jump ring groove and do axial location.And being set to hollow shaft as the wheel hub pivot shaft of motor one end, the axis hole at center is used for drawing of power outlet 11, and in axis hole sealed waterproof device is set.
As shown in Figure 1, armature assembly 3 of the present utility model is connected with power outlet 11 by lead-in wire, and armature assembly has the armature loop of comprising and armature plate, wherein armature loop and armature plate are fixed on the wheel hub pivot shaft, stator as motor, as shown in Figure 3, position transduser 14 is set also on this armature plate, it is arranged on the iron core assembly 13.And magnetic field component is fixedly installed on the housing as the rotor of motor, as the output of motor.
As Fig. 1, shown in Figure 3, motor output of the present utility model is directly connected on the planetary reduction gear 4, the satellite gear 15 of this planetary reduction gear 4 is arranged on the planet wheel spindle 16 by planet wheel bearing 22, and planet wheel spindle 16 is by the outer ring 17 and the satellite gear stay bearing plate 20 double bracings location of free-wheel clutch.Negative thread 24 is as the usefulness of axial locking.The inner ring of free-wheel clutch then is fixed on the wheel hub pivot shaft 7.
Especially, this planet wheel decelerator adopts the structure of four lines star-wheel, can more effective bearing load and raising precision.
Above-mentioned wheel hub of the present utility model can improve the horsepower output of motor owing to be provided with the structure of magnetic field inner rotary; The planet wheel spindle of planetary reduction gear has realized that the double bracing of four lines star fixes, and has improved precision, reduces wear, and increases the service life.
Claims (5)
1. electric vehicle hub, comprise wheel hub pivot shaft and hub body, it is characterized in that: described hub body is arranged on the wheel hub pivot shaft, comprises, hub shell, motor, planet wheel decelerator and isolator, is successively set on the wheel hub pivot shaft in the hub shell.
2. electric vehicle hub according to claim 1, it is characterized in that: described wheel hub pivot shaft is provided with the installation gear of each parts, and the axle near motor one end is a hollow shaft, power outlet is set in the hollow shaft, and sealed waterproof device is set in axis hole.
3. electric vehicle hub according to claim 1, it is characterized in that: described motor is the brush-less permanent magnetic torque motor, comprise armature assembly and magnetic field component, wherein armature assembly is a stator, magnetic field component is a rotor, armature assembly comprises armature loop and armature plate, and armature loop and armature plate are fixed on the wheel hub pivot shaft, and armature plate is provided with position transduser; Magnetic field component is fixed on the electric machine casing, and housing is arranged on the wheel hub pivot shaft by bearing.
4. electric vehicle hub according to claim 1, it is characterized in that: described planetary reduction gear is the four lines star wheel structure, driving gear is arranged on the magnetic field component, output shaft as magnetic field component, the two ends of satellite gear are supported on respectively on the outer ring and satellite gear supporting blade of free-wheel clutch, realize double bracing, planet wheel spindle and free-wheel clutch outer ring negative thread connection structure.
5. electric vehicle hub according to claim 1 is characterized in that: the inner ring of described free-wheel clutch is fixed on the wheel hub pivot shaft, and the outer ring is connected with planet wheel spindle, isolator outer ring double as pinion carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520118525 CN2825348Y (en) | 2005-09-07 | 2005-09-07 | Hub of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520118525 CN2825348Y (en) | 2005-09-07 | 2005-09-07 | Hub of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2825348Y true CN2825348Y (en) | 2006-10-11 |
Family
ID=37065535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520118525 Expired - Lifetime CN2825348Y (en) | 2005-09-07 | 2005-09-07 | Hub of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2825348Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756640A (en) * | 2011-04-26 | 2012-10-31 | 阿尔法纳技术株式会社 | Wheel driving apparatus |
| CN102882306A (en) * | 2011-07-14 | 2013-01-16 | 浙江超级电气科技有限公司 | Permanent-magnet DC brushless hub motor |
| CN104015606A (en) * | 2014-06-20 | 2014-09-03 | 精进电动科技（北京）有限公司 | Rim drive axle |
| CN106184545A (en) * | 2016-08-01 | 2016-12-07 | 蓝慧熙 | There is the electric motor car of preventer |
| CN107364540A (en) * | 2017-08-11 | 2017-11-21 | 纳恩博（北京）科技有限公司 | Wheel hub, wheel and balance car |
| WO2019235203A1 (en) * | 2018-06-07 | 2019-12-12 | ヤマハ発動機株式会社 | Electric vehicle and drive device for same |
-
2005
- 2005-09-07 CN CN 200520118525 patent/CN2825348Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756640A (en) * | 2011-04-26 | 2012-10-31 | 阿尔法纳技术株式会社 | Wheel driving apparatus |
| CN102882306A (en) * | 2011-07-14 | 2013-01-16 | 浙江超级电气科技有限公司 | Permanent-magnet DC brushless hub motor |
| CN104015606A (en) * | 2014-06-20 | 2014-09-03 | 精进电动科技（北京）有限公司 | Rim drive axle |
| CN106184545A (en) * | 2016-08-01 | 2016-12-07 | 蓝慧熙 | There is the electric motor car of preventer |
| CN107364540A (en) * | 2017-08-11 | 2017-11-21 | 纳恩博（北京）科技有限公司 | Wheel hub, wheel and balance car |
| WO2019235203A1 (en) * | 2018-06-07 | 2019-12-12 | ヤマハ発動機株式会社 | Electric vehicle and drive device for same |
| CN112218775A (en) * | 2018-06-07 | 2021-01-12 | 雅马哈发动机株式会社 | Electric vehicle and drive device for electric vehicle |
| CN112218775B (en) * | 2018-06-07 | 2024-03-19 | 雅马哈发动机株式会社 | Electric vehicle and driving device for electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150907 Granted publication date: 20061011 |
|
| EXPY | Termination of patent right or utility model |