CN109412326A - A kind of intelligent electric motor car rear wheel hub motors - Google Patents
A kind of intelligent electric motor car rear wheel hub motors Download PDFInfo
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- CN109412326A CN109412326A CN201811519387.6A CN201811519387A CN109412326A CN 109412326 A CN109412326 A CN 109412326A CN 201811519387 A CN201811519387 A CN 201811519387A CN 109412326 A CN109412326 A CN 109412326A
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- shaft part
- shaft
- wheel hub
- motor
- rotor core
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- 239000008358 core component Substances 0.000 claims abstract description 42
- 238000009434 installation Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000009194 climbing Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a kind of intelligent electric motor car rear wheel hub motors, including wheel hub, motor shaft and rotor core component；Wheel hub includes hub body and connecting cover plate；The one side wall of hub body is provided with installing port, is provided with arbor fixing groove on another side wall of hub body；Arbor installing mechanism is set in connecting cover plate；Hub body and connecting cover plate carry out installation fixation by fixed structure；Rotor core component is fixed on the second shaft part, and magnetic guiding loop is cased on rotor core component, is equipped with magnetic shoe between rotor core component and magnetic guiding loop；Third shaft part is fixed in arbor fixing groove by first bearing；4th shaft part and second bearing, which cooperate, is fixed installation for motor shaft and connecting cover plate；So that rotor core component, magnetic shoe and magnetic guiding loop are located in installation cavity room.The invention enables three-wheeled electric vehicle hub motor speed to be promoted, torque increases, climbing capacity is preferable, hub motor light weight, so that the energy of three-wheeled electric vehicle consumption greatly reduces.
Description
Technical field
The present invention relates to vehicle technology fields, more particularly, to a kind of intelligent electric motor car rear-wheel hub for electric vehicle
Motor.
Background technique
The means of transport that electric vehicle drives as a kind of new energy, it is extensive by market with its low noise, free of contamination characteristic
Receive, the driving device of present electric vehicle is motor, but with the raising of electric vehicle product requirement, motor in the market is
It is unable to satisfy the production requirement of electric vehicle, motor currently on the market haves the defects that as follows: 1, hub motor base in the market
It originally is that hub motor for electric motor car with two wheels, for three-wheeled electric vehicle is fewer；2, it is currently used for the wheel of three-wheeled electric vehicle
Hub motor haves the shortcomings that speed is slow, torque is small, climbing capacity is poor；3, hub motor volume currently on the market is larger, quality
Greatly, the energy of consumption is more.
Summary of the invention
For the above problem in the prior art, the invention proposes a kind of intelligent electric motor car rear wheel hub motors, solve
Currently on the market for three-wheeled electric vehicle hub motor to be less, present three-wheeled electric vehicle hub motor speed is slow, torque is small, climbs
The technical problems such as slope ability is poor, hub motor quality is big, the consumption energy is more.
The technical solution of the present invention is as follows: a kind of intelligent electric motor car rear wheel hub motors, including wheel hub, motor shaft and rotor iron
Core assembly；
The wheel hub includes hub body and connecting cover plate, the substantially cylindrical structure of the hub body, the wheel hub
The inside of ontology forms the installation chamber for installing rotor core component；The hub body one side wall setting be in and connection
The installing port of cover board cooperation, is provided with arbor fixing groove, the wheel hub sheet on the inner surface of another side wall of the hub body
The retainer plate for installing tire is provided on the outer surface of body；Arbor installing mechanism is set in the connecting cover plate；The wheel
Hub ontology and connecting cover plate carry out installation fixation by fixed structure；
The motor shaft includes the first shaft part, the second shaft part for installing rotor core component, is used for and connecting cover plate
4th shaft part and the 5th shaft part for being fixedly connected with vehicle frame be installed, the both ends of first shaft part respectively with the second shaft part and
4th shaft part is fixed, and the diameter of the second shaft part and the 4th shaft part is less than the diameter of the first shaft part；Second shaft part it is another
End is provided with third shaft part, and the other end of the 4th shaft part is fixedly connected with one end of the 5th shaft part；On second shaft part
It is provided with positioning and locking structure；
The rotor core component passes through third shaft part and the cooperation of positioning and locking structure is fixed on the second shaft part, and described turn
It is cased with magnetic guiding loop on the outer surface of sub- core assembly, is fixedly installed with magnetic shoe between the rotor core component and magnetic guiding loop；Institute
Third shaft part is stated to be fixed in arbor fixing groove by first bearing；5th shaft part and the 4th shaft part pass through arbor fitting machine
Structure, while installation is fixed in motor shaft and connecting cover plate by the 4th shaft part and second bearing cooperation；The rotor core simultaneously
Component, magnetic shoe and magnetic guiding loop are located in installation cavity room, and the lateral wall of the magnetic guiding loop is bonded with the inner sidewall of hub body.
Preferably, the longitudinal section of the retainer plate is substantially in outward splayed structure；Setting is fixed in this way
Circle is so that the contact area of motor wheel hub and air greatly increases, so that the heat dissipation performance of motor wheel hub significantly mentions
Height, so that the service life of hub motor significantly extends.
Preferably, the retainer plate includes the first support plate being fixed on hub body lateral wall and the second support
Plate, first support plate are fixed on the midline position of hub body curved wall, and second support plate is fixed on wheel hub sheet
Body curved wall is far from one end of connecting cover plate；First support plate and the outside side wall of the second support plate are circumferentially set
Arc groove is set, the mounting hole for installing vacuum nozzle is provided in second support plate.Design retainer plate in this way is guaranteeing
While motor wheel hub excellent heat dispersion performance, additionally it is possible to realize installation conventional tyre and vacuum tire, so that motor wheel hub
Use scope it is wider；At work, motor wheel hub carries out rotation and realizes that movement, in this way design also using the present invention
The mobility of air greatly enhances on motor wheel hub surface in journey, so that the heat dissipation performance of hub motor further increases, this
Sample makes hub motor, and the service life is longer, and safety in use is more preferable.The design of arc groove is so that installation
Whole stability and safety are more preferable after tire.
Preferably, the arbor installing mechanism includes the reinforcement being arranged on connecting cover plate lateral wall center
Block is provided with arbor mounting groove on the inner sidewall of the connecting cover plate, seal groove is provided on the lateral wall of the reinforcement block, described
Arbor mounting groove is connected to seal groove by round hole；The seal groove is sealed motor shaft with sealing ring cooperation.In this way
Design arbor installing mechanism makes it possible to so that motor shaft and connecting cover plate facilitate installation, then are cooperated by seal groove and sealing ring
So that the extension end to motor shaft is sealed, so that avoid hub motor sewage in use and dust is logical
The extension end for crossing motor shaft enters in hub motor, so that the waterproof and dustproof effect after motor shaft installation is good；In the present invention
Reinforcement block and connecting cover plate are integrally formed, so that while the strength character and more preferable stability of motor shaft installation place, are made
The quality for obtaining connecting cover plate is lighter, and the installation of motor shaft also facilitates, but also sewage and dust are more difficult to enter in hub motor
Portion；
Preferably, the positioning and locking structure is waist type keyway, the direction that the waist type keyway extends along axis
It is arranged on the arcwall face of the second shaft part.Make the fixed rotor core assembly on motor shaft more convenient in this way, in addition, in this way
But also the contact area after rotor core component is installed with motor shaft is bigger, it is on the one hand to prevent rotor core component in electricity
It rotates on arbor and the case where play, is on the other hand to increase hub motor so that the transmission efficiency of hub motor is more preferable
Peak torque, improve the output power and maximal efficiency of hub motor,
Preferably, the junction of second shaft part and the first shaft part is provided with escape；Second shaft part leans on
It is provided with card collar groove on curved surfaces at nearly third shaft part, is provided with chamfering on the inner sidewall of the card collar groove.It is arranged in this way
Escape can eliminate the problems in motor shaft upper stress collection, while can guarantee the shaft shoulder that the first shaft part and the second shaft part are formed
It is more preferable to the positioning accuracy of rotor core component；Card collar groove is for further limiting the axial position of rotor core component, in this way
It can prevent rotor core component the problem of play occurs on motor shaft；After testing, the distance of present invention generation play is small
In 0.7mm, setting chamfering in this way is so that convenient install rotor core component on the second shaft part, and avoiding installation process will turn
The case where sub- core assembly is scratched or broken guarantees the product quality of hub motor.
Preferably, the 5th shaft part includes motor shaft construction section and motor shaft fixed section, the motor shaft installation
For section between the 4th shaft part and motor shaft fixed section, the motor shaft construction section is arranged to flat structure, and the motor shaft is solid
Determine to be provided with helicitic texture on the surface of section.Setting motor shaft construction section to facilitate hub motor is fixed on vehicle frame in this way
Position, and the torsion being subject on motor bearings can be transmitted on body frame structure for automotive, not only make the transmission capacity of motor shaft more
It is good, it can also prevent motor shaft the problem of rotating on vehicle frame, be also possible to prevent the case where motor shaft is worn in this way,
Guarantee the service life of hub motor.
Preferably, the motor shaft is integrally machined molding；The inside of 5th shaft part and the 4th shaft part is along axis
The direction of line is provided with threading hole, is provided with the fairlead being connected to threading hole on the curved wall of first shaft part.This
Sample setting motor shaft not only makes the strength character of motor shaft more preferable, it can also be ensured that the concentricity of each shaft part is high, prevents from taking turns
Hub motor generates the case where vibration and noise in the running, so that the transmission performance of motor shaft is more preferable.
Preferably, the rotor core component includes several rotor sheets, and the rotor sheet includes fixinig plate and is in circle
The wound pieces of ring structure, the center of the fixinig plate are provided with fixation hole, are at least arranged in the extension of the fixinig plate
There are 3 bump contacted chips, the other end of the connection sheet and the inner sidewall of wound pieces are fixed, and are provided with outward in the wound pieces several
Winding slot, several winding slots are circumferentially evenly distributed, and the number of the winding slot is 25-35.In this way setting so that
The interaction in rotor core component and magnetic field is stronger, so that the output power of motor and peak torque increase.
Preferably, temperature sensor and Hall sensor are installed on the outer surface of the rotor core component.This
Sample more intuitive can reflect temperature parameter and running velocity parameter in hub motor.
Preferably, left hand thread groove and right-handed thread groove are provided on the lateral wall of the magnetic guiding loop, it is described
Left hand thread groove and right-handed thread groove are staggered from top to bottom.It is arranged in this way so that meeting the phase in electrical-coil and magnetic field
Interaction, so that increase the peak torque and maximal efficiency of hub motor, and improve the output power of motor.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is designed by wheel hub, electric machine iron core and the motor shaft to motor, realizes that hub motor is unilateral out
Axis can satisfy the demand driven after electro-tricycle, and can install conventional tyre and true in the present invention in hub motor
Empty tire, so that use scope of the invention is more extensive, application prospect is more preferable.
2, the present invention is designed by wheel hub, electric machine iron core and the motor shaft to motor, so that the entirety of hub motor
Performance improves, and is detected by experiment, and in hub motor when the vacuum tire of 6 cun of installation, the output power of hub motor be can reach
2kw, peak torque can reach 85Nm, and maximal efficiency can reach 86%；Therefore compared with prior art, wheel hub electricity in the present invention
The speed of machine is accelerated, and torque increases, while so that the climbing capacity of electro-tricycle increases considerably, but also electric three-wheel
Vehicle is more energy saving.
3, the motor wheel hub in the present invention and retainer plate, connecting cover plate and reinforcement block all use aluminium alloy integral forming process
Machine-shaping is carried out, light-weight design is carried out to the wheel hub of hub motor, so that motor wheel hub is meeting hub motor production
While the product requirement of product, so that the volume of motor wheel hub is smaller, quality is lighter, dismounting is more convenient；In addition, the present invention adopts
With aluminium alloy machine-shaping, so that the heat dissipation performance of motor wheel hub is significantly promoted, the present invention during exercise, motor shaft and
Rotor is fixed, and motor wheel hub rotation runs to realize, so that the mobility of air increases on motor wheel hub surface, makes
The heat-sinking capability for obtaining motor wheel hub further increases；Guarantee that the heat-sinking capability of hub motor is good, the working performance of hub motor is more
It is good.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of intelligent electric motor car intelligent electric motor car rear wheel hub motors of the present invention.
Fig. 2 is a kind of assembly structure figure of intelligent electric motor car intelligent electric motor car rear wheel hub motors of the present invention.
Fig. 3 is hub body and connecting cover plate in a kind of intelligent electric motor car intelligent electric motor car rear wheel hub motors of the present invention
Structural schematic diagram.
Fig. 4 is the structural schematic diagram of motor shaft in a kind of intelligent electric motor car intelligent electric motor car rear wheel hub motors of the present invention.
Fig. 5 is the sectional view of motor shaft in a kind of intelligent electric motor car intelligent electric motor car rear wheel hub motors of the present invention.
Fig. 6 is the structural schematic diagram of rotor sheet in a kind of intelligent electric motor car intelligent electric motor car rear wheel hub motors of the present invention.
Fig. 7 is the structural schematic diagram of magnetic guiding loop in a kind of intelligent electric motor car intelligent electric motor car rear wheel hub motors of the present invention.
Specific embodiment
The technical solution in the present invention is further illustrated with reference to the accompanying drawings and embodiments.
When it is implemented, the present invention includes wheel hub, motor shaft and rotor core component 13 referring to attached Fig. 1 and 2,3；
Wheel hub includes hub body 1 and connecting cover plate 2, the substantially cylindrical structure of hub body 1, hub body 1 it is interior
Portion forms the installation chamber for installing rotor core component 13；The one side wall setting of hub body 1 cooperates in connecting cover plate 2
Installing port, be provided with arbor fixing groove 3 on the inner surface of another side wall of hub body 1, set on the outer surface of hub body 1
It is equipped with the retainer plate 4 for installing tire；Arbor installing mechanism is set in connecting cover plate 2；Hub body 1 and connecting cover plate 2 are logical
It crosses fixed structure and carries out installation fixation；
Wherein, arbor fixing groove 3 includes ring block 5, and the integrated molding of ring block 5 is formed on the inner sidewall of hub body 1
Arbor fixing groove 3.The purpose that arbor wireless side is installed in hub body 1 has been achieved, on the one hand can guarantee wheel hub sheet
The strength character of 1 side wall of body guarantees the stability of motor wheel hub entirety；In addition it is possible to realize auxiliary stopper to electric machine assembly
Effect.
Wherein, the retention bead 6 for clamping rotor core component 13 is provided in the curved wall of hub body 1, this
Sample allows to position rotor core component 13 in installation cavity room, it is ensured that rotor core component 13 and motor wheel
There are certain spacing between hub side wall, guarantees that the installation of hub motor rotor core component 13 is more reasonable, guarantee hub motor
Working performance it is more preferable.
Wherein, fixed structure includes multiple first connecting holes 7 being arranged on 1 curved wall end face of hub body and setting
With one-to-one second connecting hole 8 of fixation hole 36 in connecting cover plate 2, the first connecting hole 7 and the second connecting hole 8 pass through plum blossom
Hub body 1 and connecting cover plate 2 are fixed fixed realize of sunk screw 9, so that connecting cover plate 2 and hub body 1
The mode being fixedly connected is simple, is easily installed disassembly.
Motor shaft includes the first shaft part 10, the second shaft part 11 for installing rotor core component 13, is used for and connection cover
Plate 2 installs the 4th shaft part 30 and the 5th shaft part for being fixedly connected with vehicle frame, the both ends of the first shaft part 10 respectively with the second axis
Section 11 and the 4th shaft part 30 are fixed, and the diameter of the second shaft part 11 and the 4th shaft part 30 is less than the diameter of the first shaft part 10；Second
The other end of shaft part 11 is provided with third shaft part 12, and the other end of the 4th shaft part 30 is fixedly connected with one end of the 5th shaft part；The
Positioning and locking structure is provided on two shaft parts 11；
Rotor core component 13 passes through third shaft part 12 and the cooperation of positioning and locking structure is fixed on the second shaft part 11, rotor
It is cased with magnetic guiding loop 14 on the outer surface of core assembly 13, is fixedly installed with magnetic shoe between rotor core component 13 and magnetic guiding loop 14
15；Third shaft part 12 is fixed in arbor fixing groove 3 by first bearing 42；5th shaft part and the 4th shaft part 30 are pacified across arbor
Mounting mechanism, while with the cooperation of second bearing 43 installation is fixed in motor shaft and connecting cover plate 2 by the 4th shaft part 30；First bearing
42 and second bearing 43 can be deep groove ball bearing；Rotor core component 13, magnetic shoe 15 and magnetic guiding loop 14 are located at installation cavity simultaneously
Interior, and the lateral wall of magnetic guiding loop 14 is bonded with the inner sidewall of hub body 1.
When it is implemented, the longitudinal section of retainer plate 4 is substantially in outward splayed structure.
When it is implemented, retainer plate 4 includes the first support plate 16 and the second support being fixed on 1 lateral wall of hub body
Plate 17, the first support plate 16 are fixed on the midline position of 1 curved wall of hub body, and the second support plate 17 is fixed on hub body
On the one end of 1 curved wall far from connecting cover plate 2；First support plate 16 and the outside side wall of the second support plate 17 are circumferentially set
Arc groove 18 is set, the mounting hole 19 for installing vacuum nozzle is provided in the second support plate 17.It can not only guarantee to pacify in this way
Whole stability and safety after dress tire, additionally it is possible to according to differences such as the need satisfaction vacuum tire of client, conventional tyres
The installation of type tire, so that the versatility of hub motor is more preferable, application range and prospect are more preferable.
When it is implemented, arbor installing mechanism includes the reinforcement block 20 being arranged on 2 lateral wall center of connecting cover plate,
It is provided with arbor mounting groove 44 on the inner sidewall of connecting cover plate 2, seal groove 21, arbor installation are provided on the lateral wall of reinforcement block 20
Slot 44 is connected to seal groove 21 by round hole 22；Seal groove 21 is sealed motor shaft with the cooperation of sealing ring 23.Sealing ring
23 can be oil seal washer, be sealed again by cover board after carrying out oil sealing with 2 junction of connecting cover plate to motor shaft, so that
The sealing performance of entire hub motor is more preferable, so that the waterproof and dustproof effect that the present invention is run under the conditions of rugged environment is more
It is good.
When it is implemented, positioning and locking structure is waist type keyway 24 referring to attached Figure 4 and 5, waist type keyway 24 prolongs along axis
The direction stretched is arranged on the arcwall face of the second shaft part 11.At chamfering 25, the other end is close to be moved back for one end of waist type keyway 24
At cutter groove 26, rotor core component 13 and waist type keyway 24 are then carried out by installation locking by latch segment (not shown),
On the one hand to avoid rotor core component 13 in this way play occurs in installation chamber and rotates, still further aspect this
Sample makes the transmission efficiency of motor shaft more preferable.
When it is implemented, the junction of the second shaft part 11 and the first shaft part 10 is provided with escape 26；Second shaft part 11 leans on
It is provided with card collar groove 27 on curved surfaces at nearly third shaft part 12, chamfering 25 is provided on the inner sidewall of card collar groove 27.In this way
The problems in motor shaft upper stress collection can be eliminated, guarantees that the first shaft part 10 and the second shaft part 11 determine rotor core component 13
Position precision is more preferable.Then it is stuck in card collar groove 27 by circlip and limits rotor core component 13 in the axial direction, made in this way
It is more preferable to obtain the precision and stability that rotor core component 13 is installed, prevents rotor core from play occurs.
When it is implemented, the 5th shaft part includes motor shaft construction section 28 and motor shaft fixed section 29, motor shaft construction section 28
Between the 4th shaft part 30 and motor shaft fixed section 29, motor shaft construction section 28 is arranged to flat structure, motor shaft fixed section
Helicitic texture is provided on 29 surface.Make to increase motor shaft construction section 28 in this way and the contact area of body frame structure for automotive be bigger,
The stability of motor is more preferable after installation, and the torsion being subject on motor bearings can be preferably transmitted on body frame structure for automotive,
Prevent motor shaft from rotating on vehicle frame.Helicitic texture and nut lock motor in vehicle frame, so that hub motor is in vehicle frame
After upper installation, the stability of car body entirety is more preferable.
When it is implemented, motor shaft is integrally machined molding；The inside of 5th shaft part and the 4th shaft part 30 along axis side
To threading hole 31 is provided with, the fairlead 32 being connected to threading hole 31 is provided on the curved wall of the first shaft part 10.In this way
So that the cable inside hub motor can be pierced by motor shaft through fairlead 32 and threading hole 31, it can be to hub motor inside
Cable protected, be provided with from the harness being pierced by motor shaft shield wire spring 33, can ridden in this way to avoid electric vehicle
Harness is by F. O. D during row.
When it is implemented, rotor core component 13 includes several rotor sheets, and rotor sheet includes fixinig plate 34 referring to attached drawing 6
With the wound pieces 35 for being in cirque structure, the center of fixinig plate 34 is provided with fixation hole 36, the interior edge setting of fixation hole 36
There is a locating slot 37 for being fixed on motor shaft, at least provided with 3 bump contacted chips 38, connection sheet 38 in the extension of fixinig plate 34
The other end and the inner sidewall of wound pieces 35 fix, several winding slots 39, several winding slots 39 are provided in wound pieces 35 outward
Circumferentially evenly distributed, the number of winding slot 39 is 25-35.Phase so that rotor core component 13 and magnetic field is set in this way
Interaction is stronger, so that the output power of motor and peak torque increase.
When it is implemented, being equipped with temperature sensor (not shown) and Hall on the outer surface of rotor core component 13
Sensor (not shown).The temperature parameter and running velocity in hub motor more intuitive can be reflected in this way
Parameter.
When it is implemented, being provided with left hand thread groove 40 and right-handed thread on the lateral wall of magnetic guiding loop 14 referring to attached drawing 7
Groove 41, left hand thread groove 40 and right-handed thread groove 41 are staggered from top to bottom.It is arranged in this way so that meeting motor lines
The interaction of circle and magnetic field, so that increase the peak torque and maximal efficiency of hub motor, and improve motor
Output power.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of intelligent electric motor car rear wheel hub motors, it is characterised in that: including wheel hub, motor shaft and rotor core component；
The wheel hub includes hub body and connecting cover plate, the substantially cylindrical structure of the hub body, the hub body
Inside form the installation chamber for installing rotor core component；The one side wall setting of the hub body is in and connecting cover plate
The installing port of cooperation is provided with arbor fixing groove on the inner surface of another side wall of the hub body, the hub body
The retainer plate for installing tire is provided on outer surface；Arbor installing mechanism is set in the connecting cover plate；The wheel hub sheet
Body and connecting cover plate carry out installation fixation by fixed structure；
The motor shaft includes the first shaft part, the second shaft part for installing rotor core component, for installing with connecting cover plate
4th shaft part and the 5th shaft part for being fixedly connected with vehicle frame, the both ends of first shaft part respectively with the second shaft part and the 4th
Shaft part is fixed, and the diameter of the second shaft part and the 4th shaft part is less than the diameter of the first shaft part；The other end of second shaft part is set
It is equipped with third shaft part, the other end of the 4th shaft part is fixedly connected with one end of the 5th shaft part；It is arranged on second shaft part
There is positioning and locking structure；
The rotor core component passes through third shaft part and the cooperation of positioning and locking structure is fixed on the second shaft part, the rotor iron
It is cased with magnetic guiding loop on the outer surface of core assembly, is fixedly installed with magnetic shoe between the rotor core component and magnetic guiding loop；Described
Three shaft parts are fixed in arbor fixing groove by first bearing；5th shaft part and the 4th shaft part pass through arbor installing mechanism,
The 4th shaft part and second bearing, which cooperate, simultaneously is fixed installation for motor shaft and connecting cover plate；The rotor core group simultaneously
Part, magnetic shoe and magnetic guiding loop are located in installation cavity room, and the lateral wall of the magnetic guiding loop is bonded with the inner sidewall of hub body.
2. a kind of intelligent electric motor car rear wheel hub motors as described in claim 1, it is characterised in that: the vertical of the retainer plate cuts
Face is substantially in outward splayed structure.
3. a kind of intelligent electric motor car rear wheel hub motors as claimed in claim 2, it is characterised in that: the retainer plate includes solid
The first support plate and the second support plate being scheduled on hub body lateral wall, first support plate are fixed on hub body arc
The midline position of side wall, second support plate are fixed on hub body curved wall far from one end of connecting cover plate；It is described
Arc groove is circumferentially arranged in first support plate and the outside side wall of the second support plate, is arranged in second support plate useful
In the mounting hole of installation vacuum nozzle.
4. a kind of intelligent electric motor car rear wheel hub motors as described in claim 1, it is characterised in that: the arbor installing mechanism
Including the reinforcement block being arranged on connecting cover plate lateral wall center, arbor peace is provided on the inner sidewall of the connecting cover plate
Tankage is provided with seal groove on the lateral wall of the reinforcement block, and the arbor mounting groove is connected to seal groove by round hole；It is described
Seal groove is sealed motor shaft with sealing ring cooperation.
5. a kind of intelligent electric motor car rear wheel hub motors as described in claim 1, it is characterised in that: the positioning and locking structure
For waist type keyway, the waist type keyway is arranged on the arcwall face of the second shaft part along the direction that axis extends.
6. a kind of intelligent electric motor car rear wheel hub motors as described in claim 1, it is characterised in that: second shaft part and the
The junction of one shaft part is provided with escape；Second shaft part is provided with retainer ring on the curved surfaces at third shaft part
Slot is provided with chamfering on the inner sidewall of the card collar groove.
7. a kind of intelligent electric motor car rear wheel hub motors as described in claim 1, it is characterised in that: the 5th shaft part includes
Motor shaft construction section and motor shaft fixed section, the motor shaft construction section is between the 4th shaft part and motor shaft fixed section, institute
It states motor shaft construction section and is arranged to flat structure, be provided with helicitic texture on the surface of the motor shaft fixed section.
8. a kind of intelligent electric motor car rear wheel hub motors as described in claim 1, it is characterised in that: the motor shaft integrally adds
Work molding；The inside of 5th shaft part and the 4th shaft part is provided with threading hole, first shaft part along the direction of axis
Curved wall on be provided with the fairlead being connected to threading hole.
9. a kind of intelligent electric motor car rear wheel hub motors as described in claim 1, it is characterised in that: the rotor core component
Including several rotor sheets, the rotor sheet includes fixinig plate and the wound pieces in cirque structure, the centre bit of the fixinig plate
It installs and is equipped with fixation hole, at least provided with 3 bump contacted chips, the other end of the connection sheet and coiling in the extension of the fixinig plate
The inner sidewall of piece is fixed, and is provided with several winding slots in the wound pieces outward, and several winding slots are circumferentially uniformly arranged
Column, the number of the winding slot are 25-35.
10. a kind of intelligent electric motor car rear wheel hub motors as described in claim 1, it is characterised in that: outside the magnetic guiding loop
Left hand thread groove and right-handed thread groove are provided on side wall, the left hand thread groove and right-handed thread groove are from top to bottom
It is staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519387.6A CN109412326A (en) | 2018-12-12 | 2018-12-12 | A kind of intelligent electric motor car rear wheel hub motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519387.6A CN109412326A (en) | 2018-12-12 | 2018-12-12 | A kind of intelligent electric motor car rear wheel hub motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109412326A true CN109412326A (en) | 2019-03-01 |
Family
ID=65458738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811519387.6A Pending CN109412326A (en) | 2018-12-12 | 2018-12-12 | A kind of intelligent electric motor car rear wheel hub motors |
Country Status (1)
| Country | Link |
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| CN (1) | CN109412326A (en) |
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| WO2021156182A1 (en) * | 2020-02-05 | 2021-08-12 | Atlas Technologies Holding B.V. | Wheel assembly, vehicle, and method of assembling |
| CN113685467A (en) * | 2021-08-23 | 2021-11-23 | 珠海格力电器股份有限公司 | Wheel hub, wheel hub subassembly, stopper and motor |
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