CN208324875U - A kind of hub motor and the suspension using the hub motor - Google Patents
A kind of hub motor and the suspension using the hub motor Download PDFInfo
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- CN208324875U CN208324875U CN201820965586.9U CN201820965586U CN208324875U CN 208324875 U CN208324875 U CN 208324875U CN 201820965586 U CN201820965586 U CN 201820965586U CN 208324875 U CN208324875 U CN 208324875U
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Abstract
The utility model discloses a kind of hub motor and use the suspension of the hub motor, wherein hub motor, including rotor, stator, electric machine assembly, brake disc and braking clamp；Rotor includes rotor outer ring, spoke and hub spindle, and spoke is arranged between hub spindle and rotor outer ring；Stator includes stator outer ring, stator inner ring, supporter and cooling fin, and the supporter is arranged between stator outer ring and stator inner ring, and cooling fin is multiple along the setting of stator outer ring inner wall circle spacing, and each cooling fin is arranged along stator outer ring inner wall width direction；Cooling fin is arranged the utility model along the stator outer ring inner wall circle spacing, forms ventilating duct between adjacent two cooling fin；In rotor rotation process, the amount of heat of motor generation is taken away, and the setting of cooling fin also considerably increases heat dissipation area simultaneously, improves this wheel hub motor radiating performance.
Description
Technical field
The utility model belongs to automotive hub technical field, and in particular to a kind of hub motor and uses the hub motor
Suspension.
Background technique
Hub motor is also known as wheel built-in electric motor, is that motor, transmission system and braking system combine together
Hub unit is one of the hot spot of advanced electric vehicle engineering research at this stage.Since hub motor rotates together with wheel, and
And brake is abutted, the problem that temperature is excessively high at runtime can be deposited, cannot such as radiate in time to motor will pacify motor
Full performance and stability can cause to seriously threaten, or even burn out motor.In order to enable hub motor permission at a temperature of just
Often work, traditional way are usually that the heat release hole to connect inside multiple and motor is arranged in side, utilize the stream of natural wind
The dynamic heat taken away inside motor, although these heat release holes can play certain heat spreading function, due to heat release hole size and
The setting of quantity is limited after all, be between each hole it is independent, under radiating efficiency is relatively low；Furthermore due to offering heat release hole
Hole, extraneous rainwater and foul easily pass through heat release hole and enter in hub motor, cause to damage to hub motor internal part.
In recent years, also have and radiator fan is installed inside hub motor, forced heat radiation, heat dissipation are carried out to hub motor using radiator fan
Effect radiates significantly better than heat release hole, but due to the installation of fan, hub motor leakproofness is poor, not can avoid extraneous rain equally
Water or foul enter in hub motor.
Utility model content
In order to solve the above problems existing in the present technology, the utility model aim is to provide a kind of hub motor, should
Hub motor has the advantages that thermal diffusivity is good, good airproof performance；
Further, the utility model aim is to provide a kind of suspension using above-mentioned hub motor.
The technology employed by the present utility model is
A kind of hub motor, including rotor, stator, electric machine assembly, brake disc and braking clamp, rotor and stator phase interworking
It closes, the rotor includes rotor outer ring, spoke and hub spindle, and the spoke is arranged between hub spindle and rotor outer ring；It is described
Stator includes stator outer ring, stator inner ring, supporter and cooling fin, the supporter setting stator outer ring and stator inner ring it
Between, the cooling fin is multiple along the setting of stator outer ring inner wall circle spacing, and each cooling fin is along stator outer ring inner wall width direction
Setting；The braking clamp is fixed on supporter, and brake disc is fixedly mounted on hub spindle, and the disk of brake disc is located at braking clamp
Two brake block between；The electric machine assembly includes the permanent magnet and armature winding being correspondingly arranged, and the permanent magnet, which is embedded, to be turned
The inner wall of sub- outer ring, the armature winding are embedded the ring outer wall outside stator.
Further, stator outer ring outer diameter is less than rotor outer ring internal diameter, and the stator inner ring is mounted on wheel by bearing
In hub axle, closed inner cavity is formed between stator outer ring and rotor outer ring；It is intracavitary including the electric machine assembly setting.
Further, further include asphalt channel, lock oily sponge, sealing strip；The middle part of inner cavity is arranged in the electric machine assembly,
Asphalt channel is located at the two sides of inner cavity；The oily sponge of the lock is arranged along asphalt channel；Notch is equipped on asphalt channel, it is described close
Strip of paper used for sealing is embedded on notch.
Further, the sealing strip section is triangle.
Further, the asphalt channel includes the first asphalt channel and the second asphalt channel；First asphalt channel
It is surrounded and is formed by the one side of first connecting portion, the second lug boss and electric machine assembly；First is equipped on the first asphalt channel to lack
Mouthful, the gap of first notch between first connecting portion and the second lug boss；Second asphalt channel by second connecting portion,
First lug boss, the another side of electric machine assembly and third protrusion portion surround to be formed；Second is equipped on the second asphalt channel to lack
Mouthful, which is the gap between the first protrusion and third protrusion.
Further, first lug boss and first connecting portion are arranged on stator outer ring；First lug boss by
Prolong its width direction and extend to form in the side of stator outer ring；The first connecting portion is hooked shape structure, by stator outer ring
The other side is prolonged its width direction and is extended and through being repeatedly formed by bending, and the end of first connecting portion is towards electric machine assembly direction；It is described
Second lug boss and second connecting portion are arranged on rotor outer ring；Second lug boss prolongs its width direction by the side of rotor outer ring
It extends to form, the end of second lug boss and the end of first connecting portion are corresponding；Second connecting portion is another by rotor outer ring
Side is prolonged its width direction and is extended to form, and one end of spoke and second connecting portion are connected, and the other end and hub spindle corresponding end are connected；
The third protrusion is arranged on spoke, which protrudes from spoke surface and extend to the first lug boss direction, the
Three lug boss ends are corresponding with the first lug boss end.
Further, the spoke is flabellum shape structure.
Further, the hub spindle includes step section, light bar segment, spline segment and thread segment；The step section setting exists
Close to one end of spoke, the diameter of step section is greater than the diameter of light bar segment, spline segment and thread segment；The stator is pacified by bearing
Mounted in the light bar segment of hub spindle.
Further, the brake disc is mounted on the spline segment of hub spindle, and thrust is arranged between brake disc and bearing
Block；Nut fastening is arranged on the thread segment of the hub spindle.
Further, the utility model additionally provides a kind of suspension comprising hub motor, first connecting rod, second connecting rod,
Damper and tire；The hub motor uses above-mentioned hub motor；The first connecting rod is flexibly connected with stator inner ring, damping
Device is hinged on first connecting rod；The second connecting rod is movably connected with the support；The tire is set in hub motor periphery.
The utility model has the following beneficial effects:
Cooling fin is arranged the utility model along the stator outer ring inner wall circle spacing, and ventilation is formed between adjacent two cooling fin
Road；In rotor rotation process, stir its surrounding air, in the ventilating duct for forming air stream between adjacent two cooling fin into
Out, the amount of heat of motor generation is taken away, and the setting of cooling fin also considerably increases heat dissipation area simultaneously, improves this wheel hub electricity
Machine heat dissipation performance.Since motor is arranged between ring outer wall outside stator and rotor outer ring inner wall, and cooling fin is set to outside stator
Inner wall is enclosed, motor heat transfer is carried out by stator outer ring, will not influence motor seal, the prior art is avoided and is dissipated because being arranged
Hot hole or radiator fan and the drawback for leading to motor seal difference.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is rotor structure schematic diagram；
Fig. 3 is Fig. 2 cross-sectional view；
Fig. 4 is stator structure schematic diagram；
Fig. 5 is Fig. 4 cross-sectional view；
Fig. 6 is cooling fin setting structure schematic diagram；
Fig. 7 is the utility model suspension frame structure schematic diagram.
In figure: 1 is rotor, and 11 be rotor outer ring, and 12 be spoke, and 13 be hub spindle, and 2 be stator, and 21 be stator inner ring,
22 be stator outer ring, and 23 be supporter, and 24 be cooling fin, and 3 be bearing, and 4 be electric machine assembly, and 41 be permanent magnet, 42 for armature around
Group, 51 be brake disc, and 52 be braking clamp, and 61 be first connecting rod, and 62 be second connecting rod, and 7 be damper, and 8 be thrust block, and 9 be oil
Paths, 91 be first connecting portion, and 92 be the first lug boss, and 93 be the second lug boss, and 94 be second connecting portion, and 95 is convex for third
The portion of rising, 96 be sealing strip, and 10 be tire.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further elaborated the utility model.
Referring to FIG. 1 to FIG. 6: hub motor includes rotor 1, stator 2, electric machine assembly 4, brake disc 51 and braking clamp 52, is turned
Son 1 and stator 2 cooperate, and rotor 1 can be rotated relative to stator 2.Specifically, rotor 1 includes rotor outer ring 11, spoke 12
With hub spindle 13, spoke 12 is arranged between hub spindle 13 and rotor outer ring 11, for connecting hub spindle 13 and rotor outer ring 11.
Stator 2 include stator outer ring 22, stator inner ring 21, supporter 23 and cooling fin 24, supporter 23 setting stator outer ring 22 with
Between stator inner ring 21, it is used for connecting stator outer ring 22 and stator inner ring 21, cooling fin 24 to be between 22 inner wall circumference of stator outer ring
Multiple every being arranged, each cooling fin 24 is arranged along 22 inner wall width direction of stator outer ring.22 outer diameter of stator outer ring is less than outside rotor
11 internal diameters are enclosed, stator inner ring 21 is mounted on hub spindle 13 by bearing 3, the shape between stator outer ring 22 and rotor outer ring 11
At closed inner cavity, electric machine assembly 4 be mounted on it is interior intracavitary, rotor 1 can under the driving of hub spindle 14 relative to stator 2 rotate.
Braking clamp 52 is fixed on supporter 23, and brake disc 51 is fixedly mounted on hub spindle 13, can be rotated with hub spindle 13, brake disc
51 disk is located between two brake block of braking clamp 52.When braking is required, two brake block of brake are mobile to brake disc, and
Brake disc is clamped, is braked using brake block and the friction of brake disc disk.Electric machine assembly 4 include permanent magnet 41 and armature around
Group 42, permanent magnet 41 is embedded in 11 inner wall of rotor outer ring, armature winding 42 be embedded 22 outer wall of stator outer ring and with permanent magnet 41
It is corresponding.
Cooling fin 24 is arranged along the 22 inner wall circle spacing of stator outer ring, forms ventilating duct between adjacent two cooling fin 24；Turn
In sub 1 rotation process, its surrounding air is stirred, is passed in and out in the ventilating duct for forming air stream between adjacent two cooling fin 24,
The amount of heat of motor generation is taken away, and the setting of cooling fin 24 also considerably increases heat dissipation area simultaneously, improves this wheel hub electricity
Machine heat dissipation performance.Since motor is arranged between 11 inner wall of 22 outer wall of stator outer ring and rotor outer ring, and cooling fin 24 is set to
22 inner wall of stator outer ring carries out motor heat transfer by stator outer ring, will not influence motor seal, avoid the prior art
Lead to the drawback of motor seal difference because heat release hole or radiator fan is arranged.Closely match with stator outer ring 22 rotor outer ring 11
It closes, keeps total more compact, quality is lighter.
In one embodiment, in order to further increase heat dissipation performance, further include asphalt channel 9, lock oily sponge (in figure not
Draw) and sealing strip 96.The middle part of inner cavity is arranged in electric machine assembly 4, and asphalt channel 9 is located at the two sides of inner cavity.Lock oily sponge edge
Asphalt channel 9 is arranged.Notch is equipped on asphalt channel 9, which can prolong asphalt channel setting, and oil liquid is filled with oil circuit by notch
In channel.Sealing strip 96 is embedded in indentation, there for sealing gap, is sealed to asphalt channel, is prevented oil liquid from leaching, simultaneously
It is also prevented from extraneous rainwater or foul enters inner cavity.
In one embodiment, asphalt channel 9 includes the first asphalt channel and the second asphalt channel.First asphalt channel by
The one side of first connecting portion 92, the second lug boss 93 and electric machine assembly 4 surrounds to be formed.First is equipped on the first asphalt channel
Notch, gap of first notch between first connecting portion 92 and the second lug boss 93.Second asphalt channel is by the second connection
Portion 94, the first lug boss 91, third protrusion portion 95 and electric machine assembly 4 another side surround to be formed.On the second asphalt channel
Equipped with the second notch, gap of second notch between the first lug boss 91 and third protrusion portion 95.
In a specific embodiment, the first lug boss 91 and first connecting portion 92 are arranged on stator outer ring 22；First
Lug boss 91 prolongs its width direction by the side of stator outer ring 22 and extends to form；First connecting portion 92 is hooked shape structure, by
The other side of stator outer ring 22 prolongs its width direction and extends and be repeatedly formed by bending, and the end of first connecting portion 92 is towards forever
14 direction of magnet.Second lug boss 93 and second connecting portion 94 are arranged on rotor outer ring 11；Second lug boss 93 by rotor outside
The side of circle 11 is prolonged its width direction and is extended to form, and the end of second lug boss 93 is opposite with the end of first connecting portion 92
It answers；Second connecting portion 94 is prolonged its width direction by the other side of rotor outer ring 11 and is extended to form, and one end of spoke 12 connects with second
Socket part 94 is connected, and the other end and 13 corresponding end of hub spindle are connected.Third protrusion portion 95 is arranged on spoke 12, the third protrusion
Portion 95 protrudes from 12 surface of spoke and extends to 91 direction of the first lug boss, 95 end of third protrusion portion and the first lug boss 91
End is corresponding.
In one embodiment, spoke 12 is flabellum shape structure, makes the air duct that distortion is formed between spoke；It is rotated in rotor
When, surrounding air is stirred with the spoke of rotor quick rotation, accelerates air-flow flowing, and air-flow is introduced, cooling fin is introduced by air duct
Between ventilating duct, when taking away motor heat.
In one embodiment, hub spindle 13, spoke 12 and rotor outer ring 11 are integrally formed, and overcome prior art use
It is bolted to the pressure of wheel hub side, and keeps rotor structure more compact, quality is lighter.
In one embodiment, hub spindle 13 includes step section, light bar segment, spline segment and thread segment.Step section setting exists
Close to one end of spoke, the diameter of step section is greater than the diameter of light bar segment, spline segment and thread segment.The diameter of light bar segment is equal to flower
Key section major diameter, thread segment diameter are equal to spline segment path.Stator is mounted on the light bar segment of hub spindle by bearing.Brake disc 51 is pacified
Mounted in the spline segment of hub spindle 13, brake disc 51 and 13 spline fitted of hub spindle.Light bar segment between brake disc 51 and bearing 3
On be arranged with thrust block 8.Nut fastening is arranged on the thread segment of hub spindle 13.
In one embodiment, gasket is equipped between brake disc 51 and nut.
Referring to Fig. 7: further, the utility model also provides a kind of suspension using above-mentioned hub motor, which includes
Hub motor, first connecting rod 61, second connecting rod 62, damper 7 and the tire 10 of above structure.One end of first connecting rod 61 with
Stator inner ring is flexibly connected, and damper 7 is hinged on first connecting rod 61, and the other end of first connecting rod 61 is used to connect with vehicle frame activity
It connects.Second connecting rod 62 is two, is symmetricly set on the two sides of supporter, and one end of second connecting rod 62 is movably connected with the support,
The other end with vehicle frame for being flexibly connected.The lateral dimension of second connecting rod 62 is less than the lateral dimension of first connecting rod 61.Tire 10
It is set in hub motor periphery.
Due to using the utility model hub motor, rotor outer ring and stator outer ring are fitted close, and make overall structure more
It is compact, simplify, overall weight mitigates, and thermal diffusivity, leakproofness are preferable, is suitable for hybrid power and pure electric automobile, reduces automobile
Overall weight.
In one embodiment, tire 10 is set on hub motor wheel rim 15.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted
The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.
Claims (10)
1. a kind of hub motor, including rotor, stator, electric machine assembly, brake disc and braking clamp, rotor and stator cooperate,
It is characterized in that, the rotor includes rotor outer ring, spoke and hub spindle, the spoke setting hub spindle and rotor outer ring it
Between；The stator includes stator outer ring, stator inner ring, supporter and cooling fin, and the supporter setting is in stator outer ring and determines
Between sub- inner ring, the cooling fin is multiple along the setting of stator outer ring inner wall circle spacing, and each cooling fin is along stator outer ring inner wall
Width direction setting；The braking clamp is fixed on supporter, and brake disc is fixedly mounted on hub spindle, the disk position of brake disc
Between two brake block of braking clamp；The electric machine assembly includes the permanent magnet and armature winding being correspondingly arranged, the permanent magnet
It is embedded the inner wall in rotor outer ring, the armature winding is embedded the ring outer wall outside stator.
2. hub motor according to claim 1, which is characterized in that stator outer ring outer diameter is less than in rotor outer ring
Diameter, the stator inner ring are mounted on hub spindle by bearing, and closed inner cavity is formed between stator outer ring and rotor outer ring；
It is intracavitary including the electric machine assembly setting.
3. hub motor according to claim 2, which is characterized in that further include asphalt channel, lock oily sponge, sealing strip；
The middle part of inner cavity is arranged in the electric machine assembly, and asphalt channel is located at the two sides of inner cavity；The oily sponge of the lock sets along asphalt channel
It sets；Notch is equipped on asphalt channel, the sealing strip is embedded on notch.
4. hub motor according to claim 3, which is characterized in that the sealing strip section is triangle.
5. hub motor according to claim 3, which is characterized in that the asphalt channel includes the first asphalt channel and the
Two asphalt channels；First asphalt channel is surrounded by the one side of first connecting portion, the second lug boss and electric machine assembly to be formed；
The first notch, the gap of first notch between first connecting portion and the second lug boss are equipped on the first asphalt channel；Institute
The second asphalt channel is stated to be surrounded and formed by second connecting portion, the first lug boss, the another side of electric machine assembly and third protrusion portion；
The second notch is equipped on the second asphalt channel, which is the gap between the first protrusion and third protrusion.
6. hub motor according to claim 5, which is characterized in that first lug boss and first connecting portion setting exist
On stator outer ring；First lug boss prolongs its width direction by the side of stator outer ring and extends to form；The first connecting portion
For hooked shape structure, is prolonged the extension of its width direction by the other side of stator outer ring and be repeatedly formed by bending, first connecting portion
End towards electric machine assembly direction；Second lug boss and second connecting portion are arranged on rotor outer ring；Second lug boss
Prolong its width direction by the side of rotor outer ring to extend to form, the end of second lug boss and the end of first connecting portion are opposite
It answers；Second connecting portion is prolonged its width direction by the other side of rotor outer ring and is extended to form, and one end of spoke and second connecting portion are solid
Even, the other end and hub spindle corresponding end are connected；The third protrusion is arranged on spoke, which protrudes from spoke table
Face and extend to the first lug boss direction, third protrusion portion end is corresponding with the first lug boss end.
7. hub motor according to claim 1, which is characterized in that the spoke is flabellum shape structure.
8. hub motor according to claim 1, which is characterized in that the hub spindle includes step section, light bar segment, spline
Section and thread segment；The step section is positioned close to one end of spoke, and the diameter of step section is greater than light bar segment, spline segment and screw thread
The diameter of section；The stator is mounted on the light bar segment of hub spindle by bearing.
9. hub motor according to claim 8, which is characterized in that the brake disc is mounted on the spline segment of hub spindle,
Thrust block is arranged between brake disc and bearing；Nut fastening is arranged on the thread segment of the hub spindle.
10. a kind of suspension, which is characterized in that including hub motor, first connecting rod, second connecting rod, damper and tire；The wheel
Hub motor uses hub motor according to any one of claims 1 to 9；The first connecting rod is flexibly connected with stator inner ring,
Damper is hinged on first connecting rod；The second connecting rod is movably connected with the support；The tire is set in outside hub motor
Week.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820965586.9U CN208324875U (en) | 2018-06-20 | 2018-06-20 | A kind of hub motor and the suspension using the hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820965586.9U CN208324875U (en) | 2018-06-20 | 2018-06-20 | A kind of hub motor and the suspension using the hub motor |
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| Publication Number | Publication Date |
|---|---|
| CN208324875U true CN208324875U (en) | 2019-01-04 |
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ID=64768350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820965586.9U Active CN208324875U (en) | 2018-06-20 | 2018-06-20 | A kind of hub motor and the suspension using the hub motor |
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| Country | Link |
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| CN (1) | CN208324875U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297823A (en) * | 2020-10-26 | 2021-02-02 | 陈惠萍 | Rear driving wheel of electric drive type electric automobile |
| CN112455489A (en) * | 2019-09-09 | 2021-03-09 | 中车唐山机车车辆有限公司 | Axle box for trolley bus |
-
2018
- 2018-06-20 CN CN201820965586.9U patent/CN208324875U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112455489A (en) * | 2019-09-09 | 2021-03-09 | 中车唐山机车车辆有限公司 | Axle box for trolley bus |
| CN112455489B (en) * | 2019-09-09 | 2022-06-14 | 中车唐山机车车辆有限公司 | Axle box for trolley bus |
| CN112297823A (en) * | 2020-10-26 | 2021-02-02 | 陈惠萍 | Rear driving wheel of electric drive type electric automobile |
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