CN202009291U - Special double-key groove shaft hub motor for electric automobile - Google Patents
Special double-key groove shaft hub motor for electric automobile Download PDFInfo
- Publication number
- CN202009291U CN202009291U CN2011200741119U CN201120074111U CN202009291U CN 202009291 U CN202009291 U CN 202009291U CN 2011200741119 U CN2011200741119 U CN 2011200741119U CN 201120074111 U CN201120074111 U CN 201120074111U CN 202009291 U CN202009291 U CN 202009291U
- Authority
- CN
- China
- Prior art keywords
- motor
- key groove
- shaft
- hub motor
- electric automobile
- 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 special double-key groove shaft hub motor for an electric automobile, which comprises a motor shaft (1), an outer casing (2) and a motor base (3), and is characterized in that the outer casing (2) is provided with fixing bolts (4), the outside of the outer casing is provided with wheel connecting bolts (10), a double-key groove shaft hub motor (5) is fixed onto the motor base (3), bearings (6) are arranged on the motor base (3), a framework oil seal (7) is arranged between the motor shaft (1) and each bearing (6), and a link key groove (8) and a mechanical locking key groove (9) are arranged on the motor shaft (1). The special double-key groove shaft hub motor for an electric automobile is simple in structure, reliable in performance, convenient in installation and connection, easier in realization of pole changing speed control and complicated control for the hub motor and fine in radiating performance, thereby being a hub motor with reliable performance.
Description
Technical field
The utility model belongs to the electric automobile field, relates to the special-purpose two shaft with key way wheel hub motors of a kind of electric automobile.
Background technology
Adopt the wheel hub motor driven vehicles, can save engine and drive system, reduce the loss of power in transmittance process, can improve Energy Efficiency Ratio.At present, the most power modes that drive with wheel hub motor that adopt of electric automobile.But wheel hub motor is of a great variety, wheel hub motor simple in structure but serviceability is poor, advanced in performance wheel hub motor but complex structure.But, the advance that wheel hub motor drives has determined it to be in critical role in the electric automobile development, therefore, needs a kind of wheel hub motor simple and practical, dependable performance to address that need.
Summary of the invention
Purpose of the present invention is exactly to be to overcome above-mentioned deficiency of the prior art and a kind of special-purpose two shaft with key way wheel hub motors of electric automobile of simple in structure, dependable performance are provided.
For achieving the above object, the utility model is to adopt following scheme to be achieved in that the special-purpose two shaft with key way wheel hub motors of a kind of electric automobile, comprise motor shaft (1), shell (2), motor cabinet (3), it is characterized in that: shell (2) is provided with set bolt (4), the outside is provided with wheel connecting bolt (10), the two shaft with key way wheel hub motors (5) of two keys are fixed on the support (3), support (3) is provided with bearing (6), outside framework oil seal (7) is located between motor shaft (1) and the bearing (6), and link keyway (8), mechanical lock dead key groove (9) are arranged on the motor shaft (1).
The utility model is simple in structure, and dependable performance is installed easy-to-connect, and than the speed governing of change machine and the complicated control that are easier to realize to wheel hub motor, perfect heat-dissipating is a kind of wheel hub motor of dependable performance.
Description of drawings:
Fig. 1 is the utility model structural representation
Embodiment:
The outer end of motor shaft is provided with outer flat key and screw thread, and the multipurpose bolt is equipped with in the outside of shell, and is installed in outside end cap, and outboard end covers and is provided with positioning step, and the both sides of shell are provided with the motor cabinet vertical with motor shaft.The flat key of motor outer end is equipped with the wheel connector by locking nut, and motor shaft is provided with keyway, and it is locked to carry out machinery to locking nut, and motor cabinet is provided with wheel bolt.The wheel connecting bolt is connected with wheel; Bearings at both ends guarantees the axiality of motor, makes motor rotation steady; Bearing is located on the motor cabinet, is used for the support motor axle; Outside framework oil seal has guaranteed the dustproof and waterproof of motor; The keyway and the elevation angle, the supporting use of back axle prevent that motor shaft from radially rotating; Brake pad is used for locked hold-down nut by locked keyway, has guaranteed that motor is connected effect with back axle, the elevation angle.
Claims (1)
1. special-purpose two shaft with key way wheel hub motors of an electric automobile, comprise motor shaft (1), shell (2), motor cabinet (3), it is characterized in that: shell (2) is provided with set bolt (4), shell (2), the outside are provided with wheel connecting bolt (10), the two shaft with key way wheel hub motors (5) of two keys are fixed on the support (3), support (3) is provided with bearing (6), outside framework oil seal (7) is located between motor shaft (1) and the bearing (6), and link keyway (8), mechanical lock dead key groove (9) are arranged on the motor shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200741119U CN202009291U (en) | 2011-03-21 | 2011-03-21 | Special double-key groove shaft hub motor for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200741119U CN202009291U (en) | 2011-03-21 | 2011-03-21 | Special double-key groove shaft hub motor for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202009291U true CN202009291U (en) | 2011-10-12 |
Family
ID=44750946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200741119U Expired - Fee Related CN202009291U (en) | 2011-03-21 | 2011-03-21 | Special double-key groove shaft hub motor for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202009291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016506A (en) * | 2012-12-26 | 2013-04-03 | 天津市松正电动汽车技术股份有限公司 | Rotor structure of motor and hybrid power system using same |
-
2011
- 2011-03-21 CN CN2011200741119U patent/CN202009291U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016506A (en) * | 2012-12-26 | 2013-04-03 | 天津市松正电动汽车技术股份有限公司 | Rotor structure of motor and hybrid power system using same |
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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: 20111012 Termination date: 20130321 |