CN201238234Y - Electric motor of electric car - Google Patents
Electric motor of electric car Download PDFInfo
- Publication number
- CN201238234Y CN201238234Y CNU2008200958792U CN200820095879U CN201238234Y CN 201238234 Y CN201238234 Y CN 201238234Y CN U2008200958792 U CNU2008200958792 U CN U2008200958792U CN 200820095879 U CN200820095879 U CN 200820095879U CN 201238234 Y CN201238234 Y CN 201238234Y
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- CN
- China
- Prior art keywords
- planetary gear
- gear
- rotor
- clutch
- motor
- 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.)
- Expired - Fee Related
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- 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
- Y02T10/64—Electric machine technologies in electromobility
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a motor of an electric bicycle, which comprises a wheel boss, and a stator, a rotor, a central gear, a clutch and a planetary gear which are arranged inside the wheel boss, wherein, the inner wall of the wheel boss is provided with an inner gear ring; the clutch is arranged between the rotor and the central gear, and the planetary gear is simultaneously engaged with the central gear and the inner gear ring; the quantity of the teeth of the central gear, the planetary gear and the inner gear ring is respectively 27, 33 and 93. The motor has the advantages of simpler and more compact structure, low working load of the clutch, more reliable work, longer service life, small sliding resistant force, higher efficiency, lower noise, more comfortable riding, and the like.
Description
Technical field
The utility model belongs to the vehicle technology field, relates to a kind of electric vehicle motor, particularly the high-speed brushless motor of electric motor car.
Background technology
At present, existing electric motor car high-speed brushless motor is many is made up of parts such as stator, rotor, reducing gear, freewheel clutch, wheel hubs.Motor generally adopts the internal stator outer-rotor structure, and reducing gear adopts planetary gear structure more, finishes deceleration with freewheel clutch.Freewheel clutch generally is fixed on the stator axis or on the wheel hub cover, the clutch of this dual mode all is installed in reducing gear low speed end, the torque that clutch bears is 4～5 times of speed end, make that the wearing and tearing of this clutch are very fast, even phenomenons such as slipping of clutch appear when heavy load, and cause electric motor car noise in running bigger, it is uncomfortable to ride, diminish functional reliability, influence useful life.
Summary of the invention
The utility model is in order to solve above-mentioned problems of the prior art, and a kind of simple in structure, reliable operation that has is provided, and efficient, it is comfortable to ride, and the operation noise is low, the electric vehicle motor of characteristics such as long service life.
The utility model adopts following technical scheme:
A kind of electric vehicle motor comprises wheel hub and is positioned at stator, rotor, central gear, clutch, the planetary gear of described wheel hub that described wheel hub inwall is equiped with inner gear ring; Described clutch is installed between described rotor and the central gear, and described planetary gear meshes described central gear and inner gear ring simultaneously.The described central gear number of teeth is 27, and the planetary gear number of teeth is 33, and the inner gear ring number of teeth is 93.
Described rotor is the version of external rotor or internal rotor; Described stator is complementary with it.
Described planetary gear is by the fixing assembling of planetary gear carrier, and described planetary gear carrier is provided with planet axis, described planetary gear by Bearing Installation in described planet axis; Described planetary gear is more than three or three.
Advantage that the utlity model has and good effect: this electric vehicle motor has changed the frame mode of existing planetary gear reduction speed motor.During machine operation, the rotor rotation, the clutch that is installed on the rotor is locked, be fixed on central gear on the clutch with rotor rotation, central gear drives planetary gear, planetary gear carrier is installed on the motor fixing shaft, so planetary gear drives the motor wheel hub rotation by the gear ring that is fixed on the wheel hub.Motor wheel hub rotated when vehicle slided, planetary gear and central gear servo-actuated, because throw-out-of clutch, so rotor does not rotate, this structure can effectively reduce the clutch operating load, prolongs motor useful life.Structure is simpler compacter; The clutch operating load is low, and it is more reliable to work, longer service life; Resistance of taxing is little, and efficient is higher; Noise is lower, and it is more comfortable to ride
Description of drawings
Fig. 1 is the structural representation of the utility model electric vehicle motor.
Among the figure, 1-main shaft, 2-hex nut, 3-end cap, 4-wheel hub, 5-stator, 6-rotor, 7-central gear, 8-clutch, 9-planetary gear carrier, 12-planet axis, 13-planetary gear, 14-inner gear ring.
Embodiment
As shown in Figure 1, electric vehicle motor of the present utility model comprises wheel hub 4 and is positioned at motor stator 5, rotor 6, central gear 7, clutch 8, flange 10, planetary gear 13, the inner gear ring 14 of wheel hub 4.
Motor is assemblied on the main shaft 1, is equiped with stator axis, armature spindle, planetary gear carrier 9 on the main shaft 1 successively.Wheel hub 4 is assemblied in main shaft 1 by end cap 3 and hex nut 2, and inwall is equiped with inner gear ring 14;
Motor stator 5 is fixedly mounted on the stator axis, and rotor 6 on armature spindle, can be the version of external rotor by Bearing Installation, also can be the version of internal rotor, is complementary with stator 5;
Clutch 8 is installed between rotor 6 and the central gear 7, planetary gear carrier 9 fixedly is assemblied in main shaft 1, planetary gear 13 by Bearing Installation on the planet axis 12 of planetary gear carrier 9, with central gear 7 and inner gear ring 14 engagements, planetary gear 13 is preferably selected more than three or three simultaneously.
In addition, when the number of teeth of central gear 7 is 27, the number of teeth of planetary gear 13 is 33, when the number of teeth of inner gear ring 14 is 93, cooperation between the three, can make gearratio more become reasonable, the input of controller is easier, judge error to avoid detecting, thereby stablize overall performance.
During this electric vehicle motor work, the rotor rotation, the clutch that is installed on the rotor is locked, be fixed on central gear on the clutch with rotor rotation, central gear drives planetary gear, planetary gear carrier is installed on the motor fixing shaft, so planetary gear drives the motor wheel hub rotation by the gear ring that is fixed on the wheel hub.Motor wheel hub rotated when vehicle slided, planetary gear and central gear servo-actuated, because throw-out-of clutch, so rotor does not rotate, this structure can effectively reduce the clutch operating load, prolongs motor useful life.
Electric vehicle motor of the present utility model has following characteristics:
1) structure is simpler compacter;
2) the clutch operating load is low, and it is more reliable to work, longer service life;
3) resistance of taxing is little, and efficient is higher;
4) noise is lower, and it is more comfortable to ride.
The above only is a preferable possible embodiments of the present utility model, and is non-so limit to protection range of the present utility model, so the equivalence techniques that uses the utility model specification and diagramatic content to do such as changes, all is contained in the protection range of the present utility model.
Claims (5)
1, a kind of electric vehicle motor comprises wheel hub and is positioned at stator, rotor, central gear, clutch, the planetary gear of described wheel hub that it is characterized in that: described wheel hub inwall is equiped with inner gear ring; Described clutch is installed between described rotor and the central gear, and described planetary gear meshes described central gear and inner gear ring simultaneously.
2, electric vehicle motor as claimed in claim 1 is characterized in that: the described central gear number of teeth is 27, and the planetary gear number of teeth is 33, and the inner gear ring number of teeth is 93.
3, electric vehicle motor as claimed in claim 1 or 2 is characterized in that: described rotor is the version of external rotor or internal rotor; Described stator is complementary with it.
4, electric vehicle motor as claimed in claim 1 or 2 is characterized in that: described planetary gear is by the fixing assembling of planetary gear carrier, and described planetary gear carrier is provided with planet axis, described planetary gear by Bearing Installation in described planet axis.
5, electric vehicle motor as claimed in claim 4 is characterized in that: described planetary gear is more than three or three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200958792U CN201238234Y (en) | 2008-07-28 | 2008-07-28 | Electric motor of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200958792U CN201238234Y (en) | 2008-07-28 | 2008-07-28 | Electric motor of electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201238234Y true CN201238234Y (en) | 2009-05-13 |
Family
ID=40650967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200958792U Expired - Fee Related CN201238234Y (en) | 2008-07-28 | 2008-07-28 | Electric motor of electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201238234Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110868014A (en) * | 2019-12-12 | 2020-03-06 | 雅迪科技集团有限公司 | Motor and electric vehicle |
-
2008
- 2008-07-28 CN CNU2008200958792U patent/CN201238234Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110868014A (en) * | 2019-12-12 | 2020-03-06 | 雅迪科技集团有限公司 | Motor and electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20100728 |