CN208955763U - A kind of hub for electric vehicle motor - Google Patents
A kind of hub for electric vehicle motor Download PDFInfo
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- CN208955763U CN208955763U CN201821657219.9U CN201821657219U CN208955763U CN 208955763 U CN208955763 U CN 208955763U CN 201821657219 U CN201821657219 U CN 201821657219U CN 208955763 U CN208955763 U CN 208955763U
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- magnetic guiding
- guiding loop
- hub
- electric vehicle
- wheel rim
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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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The utility model relates to a kind of hub for electric vehicle motors, including stator, rotor and connecting shaft, the stator and connecting shaft are circumferentially positioned, the rotor includes wheel rim, magnetic guiding loop and permanent magnet, the permanent magnet is uniformly set on the inside of magnetic guiding loop, it is characterized by: being equipped with several outer dentation boss on the outside of the magnetic guiding loop in circumferentially distributed, it is fixedly connected at the top of the tooth form of the outer dentation boss with the wheel rim inner ring, the outer dentation lug boss dentiform bottom and the wheel rim inner ring form cavity, and the axial sides end face of the outer dentation boss is equipped with fixing screwed hole.The beneficial effects of the utility model are: the tooth-shape structure on the outside of the rotor magnetic guiding loop of the utility model, it is effective to reduce magnetic guiding loop steel materials, loss of weight drop is originally, and the cavity between tooth form bottom and wheel rim inner ring, cool down conducive to motor radiating and rises, conducive to outer surface antirust treatment, resistance to corrosion is strong, extends motor service life.
Description
Technical field
The present invention relates to vehicle technology fields, more particularly to a kind of hub for electric vehicle motor.
Background technique
Electric vehicle is suitable for various multiple with its low-carbon environment-friendly, energy conservation, safe and reliable, performance stabilization, lower-price characteristic
Heterocycle border, in terms of being widely used in daily life traffic trip.And the core component of electric vehicle is hub motor, hub motor
Performance determines load capacity, stationarity, security reliability and comfort when electric vehicle is normally ridden, the valence of certain motor
Lattice are the most directly performances of the market competitiveness, and the above parameter characteristic of motor is derived from the optimization to electric machine structure and performance
Design, thus how to optimize electric machine structure and manufacturing process, reduce motor cost and failure rate, promote motor performance and use the longevity
Life is particularly important.
The motor that current electric motor car with two wheels is loaded is mostly hub motor, and the core component of hub motor is stator and turns
Son, rotor are set in stator outer ring, and rotor includes the multiple permanent magnetism for filling wheel rim, magnetic guiding loop and the magnetic guiding loop inner ring of tire and being pasted
Body, and its stator stator core and bracket made of wound is constituted, carriage center is welded with axle sleeve, coiling on stator iron core tooth
There is enameled wire, motor stator and rotor are assembled by central axis and two sides end cap and bearing.
In the prior art, the wheel hub applied to the hub motor on electric vehicle is iron and steel material quality mostly, and wheel rim uses thin steel
Coiled sheet system is welded, and magnetic guiding loop is mostly coiling welded using certain thickness steel plate, the uniform wall thickness of magnetic guiding loop, outside magnetic guiding loop
Circle, with being fixedly connected, is generally welded using 3 segmentation unilateral side with wheel rim inner ring.Present production process is rolled up due to magnetic guiding loop plate
System, uniform wall thickness and thicker, steel dosage is more, at high cost, cooperates gap small with wheel rim inner ring on the outside of magnetic guiding loop, heat dissipation performance is not
It is good, and antirust paint cannot be introduced into cooperation gap when antirust treatment, lead to oxidizable corrosion at magnetic guiding loop and wheel rim cooperation, into
And wheel rim is caused to fall off with magnetic guiding loop, threaten personal safety.How to optimize electric machine structure, reduce steel consumption, reduce manufacture at
This, meanwhile, on the basis of guaranteeing rim structure intensity, wheel rim resistance to corrosion and structural strength are improved, improves complete machine safety
Can, extend motor service life, and reduce temperature rise, improving motor performance is that wound of the invention grinds motivation.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of loss of weight drops originally, resistance to corrosion is strong, temperature
Rise the hub for electric vehicle motor of low, superior performance, high structural strength.The magnetic conduction of hub for electric vehicle motor provided by the invention
Using the structure that external tooth form boss is circumferentially distributed on the outside of ring, under the premise of guaranteeing that magnetic guiding loop magnetic circuit density is reasonable, magnetic guiding loop is reduced
Local wall thickness, loss of weight drop originally, save material.It is two-sided using axial sides with wheel rim inner ring at the top of the magnetic guiding loop tooth form of the motor
Welding structure improves the bond strength of magnetic guiding loop and wheel rim.Tooth form bottom and wheel rim inner ring are formed on the outside of the motor magnetic guiding loop
Cavity, facilitate motor radiating, cooling rises, while when antirust treatment, and it is good that antirust coat coats effect, resistance to corrosion
By force.
To achieve the above object, a kind of hub for electric vehicle motor provided by the invention, technical solution are as follows:
A kind of hub for electric vehicle motor, including stator, rotor and connecting shaft, the stator and connecting shaft are circumferentially positioned,
The rotor includes wheel rim, magnetic guiding loop and permanent magnet, and the permanent magnet is uniformly set on the inside of magnetic guiding loop, it is characterised in that: described
Several outer dentation boss are equipped on the outside of magnetic guiding loop in circumferentially distributed, tooth form top and the wheel rim inner ring of the outer dentation boss
It is fixedly connected, the outer dentation lug boss dentiform bottom and wheel rim inner ring formation cavity, axial the two of the outer dentation boss
Side end face is equipped with fixing screwed hole.This design scheme loss of weight drop originally, saves material, and facilitates motor radiating cooling and rise,
Simultaneously when antirust treatment, antirust coat coating effect is good, and resistance to corrosion is strong.
The present invention provides a kind of hub for electric vehicle motor, is also equipped with following attached technical scheme:
Wherein, it is fixed with wheel rim inner ring using axial sides two-sided welding at the top of the tooth form of the outer dentation boss of magnetic guiding loop or more
Section unilateral side is welded and fixed.This design scheme, is welded using Multipoint Uniform, substantially increases the combination of the wheel rim and magnetic guiding loop of motor
Intensity guarantees the structural strength of motor complete machine, and two-sided multi-point welding helps to balance the deflection in welding procedure, improves wheel hub
Dynamic balance property.
Wherein, magnetic guiding loop internal diameter is 190mm ~ 280mm.This design scheme is suitable for the requirement of all size appearance profile size
Motor.
Wherein, the outer dentation boss profile geometry of magnetic guiding loop can be rectangle or triangle or trapezoidal or up-side down triangle or inverted trapezoidal
Or it is semicircle, and the tooth top periphery outer diameter of outer dentation boss is 200mm ~ 295mm.This design scheme guarantee magnetic guiding loop on the outside of with
There is reasonable welding with size is made between wheel rim, ensure that the accuracy of welding positioning, improve the consistency of product.
Wherein, the outer dentation yoke portion's wall thickness of magnetic guiding loop is 2.0mm ~ 7.0mm.This design scheme is based on reducing motor magnetic leakage,
According to various motor electromagnetic solution characteristics, reasonable magnetic conduction size, comprehensive wheel hub intensity and magnetic guiding loop magnetic circuit saturation degree two are selected
Aspect factor, the effective flux density for controlling magnetic conduction loop section, promotes motor performance.
Wherein, wheel rim wall thickness is 1.5mm ~ 4.0mm.This design scheme ensure that and roll intensity when wheel rim plate rolls
And plasticity, reasonable wall thickness, it is ensured that wheel rim tensile strength guarantees the air-tightness and shock resistance of motor wheel hub, loss of weight drop
This, saving steel resource.
Wherein, magnetic guiding loop axial width is 25mm ~ 60mm.This design scheme makes motor have well-to-do performance area
Domain range meets various use demands, and practicability range is wide, strong applicability.
Wherein, the outer dentation boss of magnetic guiding loop is circumferentially with 8 or 10 or 12, and circumferential uniformly distributed.This design scheme, benefit
It is designed in the dynamic balancing of motor, the running various power of balance motor, and reduces stress caused by solder joint lacks and concentrate, improve motor
Safety.
Wherein, the circumferential facewidth of outer dentation boss is 7mm ~ 80mm.This design guarantees the company of motor wheel rim and magnetic conduction interannular
It connects and has enough bond strengths, support strength and shear strength.
Wherein, fixing screwed hole is circumferentially uniformly distributed.This design scheme facilitates the dynamic balancing design of motor, guarantees end cap assembly
It is each fixing screws uniform force.
Wherein, stator outer diameter is 183mm ~ 275.5mm.This design scheme matches corresponding magnetic guiding loop internal diameter, is applicable in various
Pole slot assembled scheme.
Compared with prior art, the advantages of the present invention are:
Hub for electric vehicle motor provided by the invention, the uniform wall thickness annulus magnetic guiding loop phase with existing conventional hub motor
Than being in tooth form outer lug boss structure on the outside of magnetic guiding loop, which eliminates tooth form bottom to wheel rim using uneven wall thickness magnetic guiding loop
The material of inner round portion forms exposed open cavity.This structure not only ensure that the bond strength of wheel rim and magnetic guiding loop, but also realize electricity
This drops in the loss of weight of machine, saving steel.It is solid with fixed and unilateral local welding is made with the whole circle in existing motor magnetic guiding loop outer circumference face
Surely compare, motor provided by the invention tip portion with wheel rim inner ring is two-sided is fixedly connected, improve between magnetic guiding loop and wheel rim
Bond strength ensure that enough shear strengths, and two-sided welding, effectively balances the two sides imbalance that multi-point welding is and becomes
Shape, so that the molding wheel hub of welding procedure has better dynamic balancing deformation characteristic.In addition, motor wheel hub magnetic guiding loop of the present invention and
The cavity of wheel rim inner ring increases the contact area of magnetic guiding loop and air, convenient for motor radiating cooling rise, and motor wheel hub do it is anti-
When rust processing, the difficult area of antirust is reduced, and resistance to corrosion improves, and motor service life greatly prolongs.
By comparing the tooth-shape structure in the outside that the rotor magnetic guiding loop that can be seen that motor of the invention uses, effectively
Magnetic guiding loop steel materials are reduced, this drops in loss of weight, and the cavity between tooth form bottom and wheel rim inner ring, and it is conducive to motor radiating cooling and rises,
Conducive to outer surface antirust treatment, resistance to corrosion is strong, extends motor service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the rotor of hub for electric vehicle motor of the present invention.
Fig. 2 is the structure sectional view of the rotor of hub for electric vehicle motor of the present invention.
Fig. 3 is the structural schematic diagram of the magnetic guiding loop of hub for electric vehicle motor of the present invention.
Fig. 4 is the structural schematic diagram of hub for electric vehicle motor of the present invention.
In figure, 1, rotor；2, stator；3, connecting shaft；11, wheel rim；12, magnetic guiding loop；13, cavity；14, place is welded and fixed；
15, permanent magnet；121, outer dentation boss；122, the outer dentation yoke portion of magnetic guiding loop；123, fixing screwed hole.
Specific embodiment
Technical solution of the present invention is made further specifically following is a specific embodiment of the present invention in conjunction with the accompanying drawings
It is bright, it should be noted that described embodiment is intended merely to facilitate those skilled in the art's the understanding of the present invention, and to this hair
Bright protection scope does not play any restriction effect.
Embodiment 1:
As shown in Figures 1 to 4, a kind of hub for electric vehicle motor provided in this embodiment, including stator 2, rotor 1 and company
Spindle 3, stator 2 and connecting shaft 3 are circumferentially positioned, and rotor 1 includes wheel rim 11, magnetic guiding loop 12 and permanent magnet 15, and permanent magnet 15 is uniform
Set on 12 inside of magnetic guiding loop.Stator 2 is formed by silicon steel sheet closed assembly, and silicon steel sheet center is equipped with bracket, and bracket is by two width support bodies pair
Button riveting is fixed, and the inner peripheral surface of 2 steel disc of stator is equipped with the groove anti-rotation structure of circle distribution, is matched on support body and is set as position
There is an outer lug structure, the two forms key grooves fit structure, carriage center position is welded with axle sleeve, for consolidating with connecting shaft 3
It is fixed.2 slot number of stator and 15 the piece number of permanent magnet, can be for 48 permanent magnets of 48 slot, 52 permanent magnets or 54 slots or 54 slots 60 forever with making
40 permanent magnets of 32 permanent magnets of 70 permanent magnets of 56 permanent magnets of magnet or 63 slots or 63 slots or 36 slots or 36 slots or 45 slots 50
46 permanent magnets of 40 permanent magnets of piece permanent magnet or 45 slots or 51 slots, what the present embodiment was selected is 48 slot, 52 magnet structures,
This structural electromotor is high-efficient, at low cost, and controller matching is versatile.Permanent magnet 15 can be rectangle square piece, concentric circles uniform thickness watt
Piece, off-centre operation not uniform thickness tile etc., what the present embodiment was selected is rectangle square piece, and permanent magnet 15 is radial magnetizing, is recycled with N-S-N
The mode at interval is pasted on 12 inside circumference face of magnetic guiding loop.2 steel disc excircle of stator nearby offers Hall fixing groove, is used for
Location and installation Hall sensor.2 axle sleeve installation position of stator is equipped with radial rotation structure in connecting shaft 3, can be annular knurl or common
Flat key connection.The wheel rim 11 of motor can be 10 cun or 12 cun or 13 cun or 14 cun or 16 cun, and what the present embodiment was selected is 10 cun.
Specifically, several outer dentation boss 121 are equipped on the outside of magnetic guiding loop 12 in circumferentially distributed, this structure guarantee magnetic guiding loop
On there is sufficient space to open up fixing screwed hole, and the concaveconvex structure of external tooth is under the premise of ensuring that magnetic guiding loop flux density is reasonable, significantly
Reduce the rolled steel dosage of magnetic guiding loop, loss of weight drop is originally.It is fixedly connected at the top of the tooth form of outer dentation boss 121 with 11 inner ring of wheel rim,
This structure, which ensure that between magnetic guiding loop and wheel hub, enough support strengths and shock resistance deformability.Outer 121 tooth form of dentation boss
Bottom and 11 inner ring of wheel rim form cavity 13, this structure to increase on the outside of magnetic guiding loop with air direct contact area, facilitate
Motor radiating cooling rises.The axial sides end face of outer dentation boss 121 be equipped with fixing screwed hole 123, by fastening screw with
End cap is fixedly connected.
Hub for electric vehicle motor of the invention optimizes the structure of 1 magnetic guiding loop 12 of rotor, by uniform equal wall thickness
Circular ring structure be adjusted to the structure with outer dentation boss 121, this structure reduces the rolled steel dosage of magnetic guiding loop 12, loss of weight drop
This, while the cavity 13 that 12 outer dentation tooth form bottom of magnetic guiding loop and 11 inner ring of wheel rim are formed facilitates motor radiating cooling liter, and
Multiple spot between outer dentation boss 121 and wheel rim 11 improves the bond strength and support strength of wheel rim 11 and magnetic guiding loop 12 with work,
The shock proof performance of motor is set to be significantly improved.In addition, 13 structure of cavity is conducive to rust-inhibiting materials and magnetic conduction when antirust treatment
12 outer surface of ring sufficiently combines, and resistance to corrosion is reinforced, and extends motor service life.
As shown in Figure 1 and Figure 4, axial two are used with 11 inner ring of wheel rim at the top of the tooth form of the outer dentation boss 121 of magnetic guiding loop 12
Side two-sided welding is fixed or multistage unilateral side is welded and fixed, and place 14 is welded and fixed and is located at outer 121 tooth form of dentation boss top and wheel rim
The junction of 11 inner rings, in the present embodiment, using two-sided welding fixed structure.
Shown such as Fig. 2,12 internal diameter of magnetic guiding loop is 190mm ~ 280mm, it is preferable that 12 internal diameter of magnetic guiding loop is 205mm ~ 215mm,
Further preferably, in the present embodiment, 12 internal diameter of magnetic guiding loop is 212mm ~ 213mm.
Outer 121 profile geometry of dentation boss of magnetic guiding loop 12 can be rectangle or triangle or trapezoidal or up-side down triangle or inverted trapezoidal
Or it is semicircle, and the tooth top periphery outer diameter of outer dentation boss 121 is 200mm ~ 295mm, it is preferable that the tooth of outer dentation boss 121
Tip circle circumferential surface outer diameter is 220mm ~ 230mm, further preferably, in the present embodiment, outer 121 profile geometry of dentation boss of magnetic guiding loop 12
For rectangle or trapezoidal, the tooth top periphery outer diameter of outer dentation boss 121 is 226mm ~ 229mm.
Outer 122 wall thickness of dentation yoke portion of magnetic guiding loop is 2.0mm ~ 7.0mm, it is preferable that 122 wall thickness of dentation yoke portion is outside magnetic guiding loop
2.5mm ~ 4.0mm, further preferably, in the present embodiment, outer 122 wall thickness of dentation yoke portion of magnetic guiding loop is 3.0mm ~ 3.5mm.
11 wall thickness of wheel rim is 1.5mm ~ 4.0mm, it is preferable that 11 wall thickness of wheel rim is 1.5mm ~ 2.0mm, further preferably, this reality
It applies in example, 11 wall thickness of wheel rim is 1.5mm ~ 1.8mm.This structure is suitble to the motor of light-weighted structure, saving steel, loss of weight drop
This.
12 axial width of magnetic guiding loop is 25mm ~ 60mm.This design scheme expands the scope of application of motor.
12 external tooth form boss 121 of magnetic guiding loop is circumferentially with 8 or 10 or 12, and circumferential uniformly distributed, it is preferable that magnetic guiding loop 12
External tooth form boss 121 is circumferentially with 8 or 10, and further preferably, 12 external tooth form boss 121 of magnetic guiding loop is circumferentially with 10.
The structure selects demand according to motor load-bearing capacity, guarantees fastening screw stress balance, and fastening force is big, and bond strength is high, simultaneously
It reduces the very few bring stress of solder joint to concentrate, improves security performance.
The circumferential facewidth of outer dentation boss 121 be 7mm ~ 80mm, it is preferable that the circumferential facewidth of outer dentation boss 121 for 15mm ~
30mm, further preferably, in the present embodiment, the circumferential facewidth of outer dentation boss 121 is 20mm ~ 30mm.This structure is according to motor
Load bearing demand designs the reasonable facewidth, is convenient for hub welding, improves production efficiency.
Fixing screwed hole 123 is circumferential uniformly distributed, and 2 outer diameter of stator is 183mm ~ 275.5mm, it is preferable that 2 outer diameter of stator be 197mm ~
208mm, further preferably, in the present embodiment, 2 outer diameter of stator is 206.7mm ~ 206.9mm.
Embodiment 2:
Technical solution in the present embodiment is largely identical as the technical solution of embodiment 1, and the present embodiment is not only to identical
Part be described in detail, the present embodiment part same as Example 1 repeats no more.
Shown such as Fig. 2,12 internal diameter of magnetic guiding loop is 190mm ~ 280mm, it is preferable that 12 internal diameter of magnetic guiding loop is 205mm ~ 215mm,
Further preferably, in the present embodiment, 12 internal diameter of magnetic guiding loop is 208mm ~ 210mm.
Outer 121 profile geometry of dentation boss of magnetic guiding loop 12 can be rectangle or triangle or trapezoidal or up-side down triangle or inverted trapezoidal
Or it is semicircle, and the tooth top periphery outer diameter of outer dentation boss 121 is 200mm ~ 295mm, it is preferable that the tooth of outer dentation boss 121
Tip circle circumferential surface outer diameter is 220mm ~ 230mm, further preferably, in the present embodiment, outer 121 profile geometry of dentation boss of magnetic guiding loop 12
For rectangle or trapezoidal, the tooth top periphery outer diameter of outer dentation boss 121 is 225mm ~ 229mm.
Fixing screwed hole 123 is circumferential uniformly distributed, and 2 outer diameter of stator is 183mm ~ 275.5mm, it is preferable that 2 outer diameter of stator be 197mm ~
208mm, further preferably, in the present embodiment, 2 outer diameter of stator is 203mm ~ 205mm.
Embodiment 3:
Technical solution in the present embodiment is largely identical as the technical solution of embodiment 1, and the present embodiment is not only to identical
Part be described in detail, the present embodiment part same as Example 1 repeats no more.In the present embodiment, wheel rim is 12 cun, stator
63 slot of structure choice with 56 magnet structures or 63 slots with 70 magnet structures or 54 slots with 48 magnet structures or
54 slots match 60 magnet structures.
Shown such as Fig. 2,12 internal diameter of magnetic guiding loop is 190mm ~ 280mm, it is preferable that 12 internal diameter of magnetic guiding loop is 258mm ~ 262mm,
Further preferably, in the present embodiment, 12 internal diameter of magnetic guiding loop is 259mm ~ 261mm.
Outer 121 profile geometry of dentation boss of magnetic guiding loop 12 can be rectangle or triangle or trapezoidal or up-side down triangle or inverted trapezoidal
Or it is semicircle, and the tooth top periphery outer diameter of outer dentation boss 121 is 200mm ~ 295mm, it is preferable that the tooth of outer dentation boss 121
Tip circle circumferential surface outer diameter is 270mm ~ 285mm, further preferably, in the present embodiment, outer 121 profile geometry of dentation boss of magnetic guiding loop 12
For rectangle or trapezoidal, the tooth top periphery outer diameter of outer dentation boss 121 is 275mm ~ 278mm.
12 external tooth form boss 121 of magnetic guiding loop is circumferentially with 8 or 10 or 12, and circumferential uniformly distributed, it is preferable that magnetic guiding loop 12
External tooth form boss 121 is circumferentially with 10 or 12.
Fixing screwed hole 123 is circumferential uniformly distributed, and 2 outer diameter of stator is 183mm ~ 275.5mm, it is preferable that 2 outer diameter of stator be 252mm ~
256mm, further preferably, in the present embodiment, 2 outer diameter of stator is 253mm ~ 255mm.
Embodiment described above is merely a preferred embodiment of the present invention, and is merely illustrative of the technical solution of the present invention, not
The limitation to the scope of the patents of the invention, it is all using description of the invention and accompanying drawing content to technical solution of the present invention into
Row modification or equivalent replacement, being applied directly or indirectly in other relevant technical fields, similarly includes of the invention special
In sharp protection scope.
Although rotor 1, stator 2, connecting shaft 3, wheel rim 11, magnetic guiding loop 12, cavity 13, welding is used more herein admittedly
Surely the terms such as place 14, permanent magnet 15, outer dentation boss 121, magnetic guiding loop outer dentation yoke portion 122, fixing screwed hole 123, but not
It rules out the possibility of using other terms.The use of these items is only for more easily describe and explain sheet of the invention
Matter；Being construed as any additional limitation is disagreed with spirit of that invention.
Claims (11)
1. a kind of hub for electric vehicle motor, including stator, rotor and connecting shaft, the stator and connecting shaft are circumferentially positioned, institute
Stating rotor includes wheel rim, magnetic guiding loop and permanent magnet, and the permanent magnet is uniformly set on the inside of magnetic guiding loop, it is characterised in that: described to lead
Several outer dentation boss are equipped on the outside of magnet ring in circumferentially distributed, it is solid with the wheel rim inner ring at the top of the tooth form of the outer dentation boss
Fixed connection, the outer dentation lug boss dentiform bottom and the wheel rim inner ring form cavity, the axial sides of the outer dentation boss
End face is equipped with fixing screwed hole.
2. hub for electric vehicle motor according to claim 1, it is characterised in that: the tooth of the outer dentation boss of the magnetic guiding loop
It is fixed with the wheel rim inner ring using axial sides two-sided welding at the top of shape or multistage unilateral side is welded and fixed.
3. hub for electric vehicle motor according to claim 1 or 2, it is characterised in that: the magnetic guiding loop internal diameter is 190mm
~280mm。
4. hub for electric vehicle motor according to claim 1 or 2, it is characterised in that: the outer dentation boss of the magnetic guiding loop
Profile geometry can be rectangle or triangle or trapezoidal or up-side down triangle or inverted trapezoidal or semicircle, and the tooth of the outer dentation boss
Tip circle circumferential surface outer diameter is 200mm ~ 295mm.
5. hub for electric vehicle motor according to claim 1 or 2, it is characterised in that: the outer dentation yoke portion of the magnetic guiding loop
Wall thickness is 2.0mm ~ 7.0mm.
6. hub for electric vehicle motor according to claim 1 or 2, it is characterised in that: the wheel rim wall thickness be 1.5mm ~
4.0mm。
7. hub for electric vehicle motor according to claim 1 or 2, it is characterised in that: the magnetic guiding loop axial width is
25mm~60mm。
8. hub for electric vehicle motor according to claim 1 or 2, it is characterised in that: the outer dentation boss of the magnetic guiding loop
8 or 10 or 12 are circumferentially with, and circumferential uniformly distributed.
9. hub for electric vehicle motor according to claim 1 or 2, it is characterised in that: the circumferential direction of the outer dentation boss
The facewidth is 7mm ~ 80mm.
10. hub for electric vehicle motor according to claim 1 or 2, it is characterised in that: the fixing screwed hole is circumferentially equal
Cloth.
11. hub for electric vehicle motor according to claim 1 or 2, it is characterised in that: the stator outer diameter be 183mm ~
275.5mm。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821657219.9U CN208955763U (en) | 2018-10-12 | 2018-10-12 | A kind of hub for electric vehicle motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821657219.9U CN208955763U (en) | 2018-10-12 | 2018-10-12 | A kind of hub for electric vehicle motor |
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| CN208955763U true CN208955763U (en) | 2019-06-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245351A (en) * | 2018-10-12 | 2019-01-18 | 台州市金宇机电有限公司 | A kind of hub for electric vehicle motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245351A (en) * | 2018-10-12 | 2019-01-18 | 台州市金宇机电有限公司 | A kind of hub for electric vehicle motor |
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