CN207475357U - Hub for electric vehicle motor - Google Patents
Hub for electric vehicle motor Download PDFInfo
- Publication number
- CN207475357U CN207475357U CN201721587452.XU CN201721587452U CN207475357U CN 207475357 U CN207475357 U CN 207475357U CN 201721587452 U CN201721587452 U CN 201721587452U CN 207475357 U CN207475357 U CN 207475357U
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- outside
- stator
- motor
- flange
- 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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Classifications
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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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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model discloses hub for electric vehicle motors, including wheel hub, tire is set on the outside of wheel hub, wheel hub motor, wheel hub motor end one end setting end cap flange, other end setting wheelboss flange are set on the inside of wheel hub, wherein wheel hub motor includes rotor, stator and stator winding on the outside of rotor are set, stator frame on the outside of stator is set, cooling passage is set among stator frame.The hub for electric vehicle motor of the utility model is inner rotor type motor, also sets up stator frame on the outside of stator on the outside, cooling passage is set among stator frame, the heat dissipation of motor is effectively ensured in the cooling liquid energy of cycle.
Description
Technical field
The utility model is related to wheel hub motor technical fields, more particularly to hub for electric vehicle motor.
Background technology
Wheel hub motor can effectively simplify the structure of vehicle, but too many component is integrated in small space, and heat must during operating
So increase, thus the structure of various pieces will be improved to improve heat dissipation effect.In the overall weight and body of motor
Under conditions of product size is severely limited, the heat dissipation to motor is always one and does not solve the problems, such as very well.Wheel hub motor
Hot generation mostlys come from the heat that the vortex of stator coil, iron core fever and rotor magnetic steel generates in use is run, due to
The design feature of motor, stator coil, iron core and rotor magnetic steel must be placed in the inside of motor, and centainly there is housing conduct in outside
Installation component, therefore above-mentioned heat is difficult discharge, does not discharge above-mentioned heat, not only influences the components such as stator coil, iron core
The problem of service life can also reduce the service efficiency of motor, therefore the heat dissipation for improving motor is one important.
Utility model content
The purpose of this utility model is to provide a kind of hub for electric vehicle motor of perfect heat-dissipating.
To achieve the above object, the utility model provides hub for electric vehicle motor, including wheel hub, is set on the outside of wheel hub
Tire is put, wheel hub motor, wheel hub motor end one end setting end cap flange, other end setting wheel hub method are set on the inside of wheel hub
Orchid, wherein wheel hub motor include rotor, and stator and stator winding are set on the outside of rotor, stator frame is set on the outside of stator,
Cooling passage is set among stator frame.The hub for electric vehicle motor of the utility model is inner rotor type motor, outside
Stator frame is also set up on the outside of the stator of side, cooling passage is set among stator frame, and the cooling liquid energy of cycle is effectively ensured
The heat dissipation of motor.
Wherein, stator frame includes annular framework and the inclined shore frame for being symmetricly set on annular framework both sides, in annular
Rack intermediate parallel sets multiple cooling passages, and the inlet and outlet of cooling passage is separately positioned on two inclined shore framves
On, stator frame both ends set end cap and wheel hub respectively, and end cap flange is set on the outside of end cap, and wheel hub method is set on the outside of wheel hub
It is blue.Stator frame structure setting is reasonable, and multiple parallel cooling passage good cooling results, cooling passage may be set to be
Spiral shape only sets an import and one outlet on two inclined shore framves；In addition stator frame both ends are directly connected to hold
Lid and wheel hub, total is succinct, reduces the volume and weight of motor.
Further, rotor one end connection main shaft, other end connection axle flange, axle flange are located at outside end cap flange
Side sets coolant duct and cable passage among axle flange.Setting coolant duct and cable lead among axle flange
Road provides further supplement heat rejecter for motor.
Preferably, bearing is set between rotor and end cap flange, oil enveloping structure, rotor and wheel hub method is set on the outside of bearing
Bearing is also provided between orchid, oil enveloping structure is set on the outside of bearing.
Oil enveloping structure may be set to be double oil seal structure, including two Double-lip framework oil sealings, be put down on the inside of end cap flange
Row two Double-lip framework oil sealings of setting, set spacer ring, the spacer ring is arranged on end cap between two Double-lip framework oil sealings
On flange medial surface, two Double-lip framework oil sealings are oppositely arranged.Or grease interlayer is set between two Double-lip framework oil sealings
Every, such as butter layer.
Or in addition hub motor shell is set, wherein rotor, stator and stator winding and set on the outside of stator
Stator frame is respectively positioned on inside hub motor shell, in hub motor shell end set end cap and wheel hub.
Wheel hub motor technology is also referred to as wheel inner electric machine technology, its maximum feature is exactly by power plant, transmission
Device and brake apparatus are all integrated in wheel hub, are able to the mechanical part of electric vehicle is greatly simplified.
Wherein inner-rotor-type is equipped with the retarder of fixed drive ratio, with more compact then using high speed inner rotor motor
Planetary reducer appearance, inner-rotor-type wheel hub motor in terms of power density than low speed external-rotor-type more compete
Power.
The hub for electric vehicle motor of the utility model, structure setting is reasonable, motor cooling good heat dissipation effect, and whole
Simple for structure, not additional occupied space effectively simplifies structure.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of the utility model wheel hub motor；
Fig. 3 is the schematic diagram of the utility model stator frame；
Wherein, 1- wheel hubs, 2- tires, 3- wheel hub motors, 4- end cap flanges, 5- wheelboss flanges, 6- rotors, 7- stators, 8-
Stator winding, 9- stator frames, 10- cooling passages, 11- bearings, 12- oil enveloping structures.
Specific embodiment
The optimal technical scheme of the utility model is described in detail below in conjunction with the accompanying drawings.
As shown in the figure, the hub for electric vehicle motor of the utility model, including wheel hub 1, tire 2 is set in 1 outside of wheel hub,
In 1 inside setting wheel hub motor 3 of wheel hub, 3 end one end of wheel hub motor setting end cap flange 4, the other end sets wheelboss flange 5,
Wherein wheel hub motor 3 includes rotor 6, and in 6 outside setting stator 7 of rotor and stator winding 8, stator is set in 6 outside of stator
Frame 9, the setting cooling passage 10 among stator frame 9.
Wherein, stator frame 9 includes annular framework and the inclined shore frame for being symmetricly set on annular framework both sides, in annular
Rack intermediate parallel sets multiple cooling passages 10, and the inlet and outlet of cooling passage 10 is separately positioned on two and tilts branch
On support, 9 both ends of stator frame set end cap and wheel hub respectively, and end cap flange 4 is set on the outside of end cap, is set on the outside of wheel hub
Wheelboss flange 5.
Further, 6 one end of rotor connection main shaft, other end connection axle flange, axle flange are located at outside end cap flange 4
Side sets coolant duct and cable passage among axle flange.
Preferably, bearing 11 is set between rotor 6 and end cap flange 4, in 11 outside setting oil enveloping structure 12 of bearing, rotor
Bearing 11 is also provided between 6 and wheelboss flange 5, in 11 outside setting oil enveloping structure 12 of bearing.
Oil enveloping structure may be set to be double oil seal structure, including two Double-lip framework oil sealings, be put down on the inside of end cap flange
Row two Double-lip framework oil sealings of setting, set spacer ring, the spacer ring is arranged on end cap between two Double-lip framework oil sealings
On flange medial surface, two Double-lip framework oil sealings are oppositely arranged.Or grease interlayer is set between two Double-lip framework oil sealings
Every, such as butter layer.Interval between two oil sealings of double oil seal structure is set, can effectively stop that moisture penetrates into, ensure equipment
Normal use simultaneously prolongs the service life.
The hub for electric vehicle motor of the utility model is inner rotor type motor, also sets up stator on the outside of stator on the outside
Rack, sets cooling passage among stator frame, and the heat dissipation of motor is effectively ensured in the cooling liquid energy of cycle.
Stator frame structure setting is reasonable, and multiple parallel cooling passage good cooling results, cooling passage can also
Spiral shape is set as, an import and one outlet are only set on two inclined shore framves；In addition stator frame both ends are direct
Connection end cap and wheel hub, total is succinct, reduces the volume and weight of motor.
Setting coolant duct and cable passage, further supplement heat rejecter is provided for motor among axle flange.
Or in addition hub motor shell is set, wherein rotor, stator and stator winding and set on the outside of stator
Stator frame is respectively positioned on inside hub motor shell, in hub motor shell end set end cap and wheel hub.
Wheel hub motor technology is also referred to as wheel inner electric machine technology, its maximum feature is exactly by power plant, transmission
Device and brake apparatus are all integrated in wheel hub, are able to the mechanical part of electric vehicle is greatly simplified.
Wherein inner-rotor-type is equipped with the retarder of fixed drive ratio, with more compact then using high speed inner rotor motor
Planetary reducer appearance, inner-rotor-type wheel hub motor in terms of power density than low speed external-rotor-type more compete
Power.
The hub for electric vehicle motor of the utility model, structure setting is reasonable, motor cooling good heat dissipation effect, and whole
Simple for structure, not additional occupied space effectively simplifies structure.
Claims (4)
1. hub for electric vehicle motor, it is characterised in that：Including wheel hub, tire on the outside of wheel hub is set, is set on the inside of wheel hub
Wheel hub motor, wheel hub motor end one end setting end cap flange, wherein other end setting wheelboss flange, wheel hub motor include turning
Son sets stator and stator winding on the outside of rotor, stator frame is set on the outside of stator, and cooling is set among stator frame
Liquid channel.
2. hub for electric vehicle motor as described in claim 1, it is characterised in that：Stator frame is including annular framework and symmetrically
The inclined shore frame of annular framework both sides is arranged on, multiple cooling passages are set in annular framework intermediate parallel, coolant is led to
The inlet and outlet in road is separately positioned on two inclined shore framves, and stator frame both ends set end cap and wheel hub respectively, is being held
Outer side of lid sets end cap flange, and wheelboss flange is set on the outside of wheel hub.
3. hub for electric vehicle motor as claimed in claim 1 or 2, it is characterised in that：Rotor one end connects main shaft, the other end
Axle flange is connected, axle flange is located on the outside of end cap flange, and coolant duct and cable passage are set among axle flange.
4. hub for electric vehicle motor as claimed in claim 3, it is characterised in that：Axis is set between rotor and end cap flange
It holds, oil enveloping structure on the outside of bearing is set, bearing is also provided between rotor and wheelboss flange, oil sealing knot is set on the outside of bearing
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721587452.XU CN207475357U (en) | 2017-11-24 | 2017-11-24 | Hub for electric vehicle motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721587452.XU CN207475357U (en) | 2017-11-24 | 2017-11-24 | Hub for electric vehicle motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207475357U true CN207475357U (en) | 2018-06-08 |
Family
ID=62259461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721587452.XU Expired - Fee Related CN207475357U (en) | 2017-11-24 | 2017-11-24 | Hub for electric vehicle motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207475357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217537A (en) * | 2018-10-09 | 2019-01-15 | 内蒙古聚能节能服务有限公司 | A kind of hub motor sealing saturating device of waterproof, seepage control |
| CN113037016A (en) * | 2021-03-18 | 2021-06-25 | 江苏华源防爆电机有限公司 | Heat dissipation reinforcing structure of in-wheel motor |
-
2017
- 2017-11-24 CN CN201721587452.XU patent/CN207475357U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217537A (en) * | 2018-10-09 | 2019-01-15 | 内蒙古聚能节能服务有限公司 | A kind of hub motor sealing saturating device of waterproof, seepage control |
| CN113037016A (en) * | 2021-03-18 | 2021-06-25 | 江苏华源防爆电机有限公司 | Heat dissipation reinforcing structure of in-wheel motor |
| CN113037016B (en) * | 2021-03-18 | 2022-08-23 | 江苏华源防爆电机有限公司 | Heat dissipation reinforcing structure of in-wheel motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20181124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |