CN109462307A - A kind of electric two-wheel vehicle electric machine structure - Google Patents
A kind of electric two-wheel vehicle electric machine structure Download PDFInfo
- Publication number
- CN109462307A CN109462307A CN201811641905.1A CN201811641905A CN109462307A CN 109462307 A CN109462307 A CN 109462307A CN 201811641905 A CN201811641905 A CN 201811641905A CN 109462307 A CN109462307 A CN 109462307A
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- China
- Prior art keywords
- tooth
- axis
- wheel
- rotor
- module
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Classifications
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- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- 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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- 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
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention relates to a kind of electric two-wheel vehicle electric machine structure, axis, and set gradually the motor module and slowdown module being connected on axis；Motor module includes motor housing and front motor cover, an internal cavities are constituted between motor housing and front motor cover, rotor is provided in cavity, rotor is fixed on axis outer ring by bearing, rotor periphery is provided with stator, multiple magnetic shoe structures are provided at rotor distance center L, the magnetic shoe structure is arranged along rotor circumference uniform intervals；Slowdown module is by being arranged on bracket, bracket is fixed on front motor cover by fastener, slowdown module is a kind of planetary reduction gear structure, it includes the axis tooth at center, primary teeth, secondary tooth and differential internal tooth, motor module and slowdown module periphery are coated by the wheel side lid at left and right end and the wheel outer cylinder of circumferential direction.This structure is compact-sized using planetary differential mode, and the linkage of three teeth greatly improves the mechanical strength and overload capacity when gear operation.
Description
Technical field
The present invention relates to vehicle technology field, especially a kind of electric two-wheel vehicle electric machine structure.
Background technique
External-rotor-type hub motor is vulgar direct driving motor, and mainly volume is big, weight weight, and consumptive material；Especially copper and
The energy consumption of rare earth permanent-magnetic material is more, and overload capacity is relatively low, and for efficiency without high-speed motor height, energy consumption is also bigger.
Summary of the invention
The present invention is in view of the above-mentioned problems, provide a kind of electric two-wheel vehicle electric machine structure.According to technology provided by the invention
Scheme:
A kind of electric two-wheel vehicle electric machine structure, it is characterized in that:
Axis, and set gradually the motor module and slowdown module being connected on axis；
The motor module includes motor housing and front motor cover, and it is empty that an inside is constituted between the motor housing and front motor cover
Chamber is provided with rotor in cavity, and the rotor is fixed on axis outer ring by bearing, and the rotor periphery is provided with stator,
Multiple magnetic shoe structures are provided at the rotor distance center L, the magnetic shoe structure is arranged along rotor circumference uniform intervals；
The slowdown module is by being arranged on bracket, and the bracket is fixed on front motor cover by fastener, the deceleration
Module is a kind of planetary reduction gear structure comprising the axis tooth at center, primary teeth, secondary tooth and differential internal tooth, motor module with subtract
Fast modular peripheral passes through the wheel side lid at left and right end and the wheel outer cylinder cladding of circumferential direction.
As a further improvement of the present invention, axis tooth is closely arranged with axis outer ring, and the engagement of axis tooth outer ring is equipped with just
Grade tooth, the primary teeth inner circle engagement connection have secondary tooth, and primary teeth forms coaxial conjuncted structure, the secondary tooth with secondary tooth
Outer circle and differential interior tooth engagement；
The primary teeth is covered close to front motor cover end, the differential internal tooth by the wheel side that right end is arranged in pin；
As a further improvement of the present invention, the magnetic shoe structure includes the magnet of intermediate setting and is symmetrically formed at magnet both ends
Cavity, the magnet be in strip structure, cavity be end have curved portion, the curved portion have arc-shaped end, institute
The height for stating strip structure is higher than curved portion.As a further improvement of the present invention, it is opened up on the stator along stator inner wall
There is the hole of trapezoidal shape, and trapezoidal bottom of a cup is arranged towards the stator center of circle；The bottom bottom of a cup width M of the trapezoidal hole be 5 ±
0.5mm。
As a further improvement of the present invention, the magnetic shoe is made of permanent-magnet material.
Wheel lid and right wheel side lid when lid includes revolver, the center revolver Bian Gai have aperture, the stretching on ontology
Section part covering brake rim simultaneously cooperates with it；
The center the right wheel Bian Gai has nose section, and the extended segment extended towards revolver side lid is provided on its ontology,
It is all hierarchic structure cooperation at two each wheel side lids and outer cylinder assembly.
As a further improvement of the present invention, the L control is in 23.75 ± 0.2mm.
The technical effects of the invention are that: this structure is compact-sized using planetary differential mode, and the linkage of three teeth greatly improves
Mechanical strength and overload capacity when gear is run, avoid that previous spur reduction overload capacity is poor, the easy tooth and bulky beaten
Problem.
Detailed description of the invention
Fig. 1 is the overall structure diagram of flange type rotor part of the present invention.
Fig. 2 is the schematic diagram of slowdown module.
Fig. 3 is rotor schematic diagram.
Fig. 4 is the schematic diagram of magnetic shoe structure.
Fig. 5 is the schematic diagram of stator.
Fig. 6 is the schematic diagram taken turns outer cylinder and take turns outer cylinder.
Specific embodiment
Below with reference to specific attached drawing and example, the invention will be further described.
In Fig. 1~6, a kind of electric two-wheel vehicle electric machine structure, it is characterized in that:
Axis 1, and set gradually the motor module and slowdown module being connected on axis 1；
The motor module includes motor housing 2 and front motor cover 10, is constituted in one between the motor housing 2 and front motor cover
Portion's cavity is provided with rotor 3 in cavity, and the rotor is fixed on 1 outer ring of axis by bearing, and the rotor periphery is provided with
Stator 4 is provided with multiple magnetic shoe structures 9 at the rotor distance center L, and the magnetic shoe structure is along rotor circumference uniform intervals
Arrangement；
The slowdown module is by being arranged on bracket 13, and the bracket is fixed on front motor cover 10 by fastener 14, institute
Stating slowdown module is a kind of planetary reduction gear structure comprising the axis tooth 5 at center, primary teeth 6, secondary tooth 7 and differential internal tooth 8, electricity
Machine module and slowdown module periphery are coated by the wheel side lid 11 at left and right end and the wheel outer cylinder 12 of circumferential direction.
As a further improvement of the present invention, axis tooth 5 is closely arranged with 1 outer ring of axis, and 5 outer ring of the axis tooth engagement is equipped with
Primary teeth 6,6 inner circle of the primary teeth engagement connection have secondary tooth 7, and primary teeth forms coaxial conjuncted structure with secondary tooth, described
Secondary 7 outer circle of tooth is engaged with differential internal tooth 8；
The primary teeth 6 is covered close to front motor cover end, the differential internal tooth 8 by the wheel side that right end is arranged in pin；
As a further improvement of the present invention, the magnetic shoe structure 9 includes the magnet of intermediate setting and is symmetrically formed in magnet two
The cavity 9.2 at end, the magnet are in strip structure, and cavity 9.2 is that end has curved portion, and the curved portion has arc-shaped
The height of end, the strip structure is higher than curved portion.Cavity structure is used to reduce the leakage field between time magnet.
As a further improvement of the present invention, the hole 4.1 of trapezoidal shape is offered on the stator 4 along stator inner wall, and
Trapezoidal bottom of a cup is arranged towards the stator center of circle；The bottom bottom of a cup width M of the trapezoidal hole is 5 ± 0.5mm.
5, a kind of electric two-wheel vehicle electric machine structure described in accordance with the claim 1, it is characterized in that: the magnetic shoe is using forever
The production of magnetic material.
As a further improvement of the present invention, wheel lid 11.1 and right wheel side lid 11.2, revolver when lid includes revolver
The center Bian Gai has aperture 11.3, and 11.5 part of the section of stretching out covering brake rim 20 on ontology 11.4 simultaneously cooperates with it；
The center the right wheel Bian Gai has nose section 11.6, and the extension extended towards revolver side lid is provided on its ontology 11.7
Section 11.8,
It is all hierarchic structure cooperation at two each wheel side lids and outer cylinder assembly.
As a further improvement of the present invention, the L control is in 23.75 ± 0.2mm.
Such motor is considered as one end motor special for electric vehicle for adapting to the new international standard of electric vehicle and bicycle and designing, more former
First old money direct-drive type hub motor has two advantages:
Changing straight drive is differential reducing；
Change big motor major diameter low-rotate speed and becomes the high revolving speed of motor minor diameter.
To increase motor output torque, save silicon steel sheet, copper consumption and rare earth permanent-magnetic material, electric vehicle is improved
Climbing capacity, reduce the power consumption of battery, to reach energy-saving and environment-friendly purpose.
Work process: rotor and axis tooth are coaxial, at the beginning of three be fixed on bracket are driven when rotor runs at high speed
Grade tooth operating,
The motor shaft tooth 5 engages primary teeth 6, and primary teeth and secondary tooth 7 constitute conjuncted structure, and primary teeth rotation drives secondary tooth
Synchronized circular motion, the differential internal tooth 8 that secondary tooth is engaged with outer circle again realize differential motion.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (7)
1. a kind of electric two-wheel vehicle electric machine structure, it is characterized in that:
Axis (1), and set gradually the motor module and slowdown module being connected on axis (1)；
The motor module includes motor housing (2) and front motor cover (10), structure between the motor housing (2) and front motor cover
It at an internal cavities, is provided in cavity rotor (3), the rotor is fixed on axis (1) outer ring, the rotor by bearing
Periphery is provided with stator (4), is provided with multiple magnetic shoe structures (9) at the rotor distance center L, the magnetic shoe structure along turn
Sub- even circumferential is intervally arranged；
For the slowdown module by being arranged on bracket (13), the bracket is fixed on front motor cover (10) by fastener (14)
On, the slowdown module is a kind of planetary reduction gear structure comprising the axis tooth (5) at center, primary teeth (6), secondary tooth (7) and poor
Dynamic internal tooth (8), motor module and slowdown module periphery are coated by the wheel side lid (11) at left and right end and the wheel outer cylinder (12) of circumferential direction.
2. a kind of electric two-wheel vehicle electric machine structure described in accordance with the claim 1, it is characterized in that: axis tooth (5) and axis (1) outer ring
Close setting, axis tooth (5) the outer ring engagement are equipped with primary teeth (6), and primary teeth (6) the inner circle engagement connection has secondary tooth
(7), primary teeth forms coaxial conjuncted structure with secondary tooth, and secondary tooth (7) outer circle is engaged with differential internal tooth (8)；
The primary teeth (6) is covered close to front motor cover end, the differential internal tooth (8) by the wheel side that right end is arranged in pin.
3. a kind of electric two-wheel vehicle electric machine structure described in accordance with the claim 1, it is characterized in that: the magnetic shoe structure (9) is wrapped
It includes the magnet of intermediate setting and is symmetrically formed the cavity (9.2) at magnet both ends, the magnet is in strip structure, cavity (9.2)
There is curved portion for end, the curved portion has the end of arc-shaped, and the height of the strip structure is higher than curved portion.
4. a kind of electric two-wheel vehicle electric machine structure described in accordance with the claim 1, it is characterized in that: on the stator (4) along
Stator inner wall offers the hole (4.1) of trapezoidal shape, and trapezoidal bottom of a cup is arranged towards the stator center of circle；The bottom cup of the trapezoidal hole
Bottom width degree M is 5 ± 0.5mm.
5. a kind of electric two-wheel vehicle electric machine structure described in accordance with the claim 1, it is characterized in that: the magnetic shoe uses permanent magnetism material
Material production.
6. a kind of electric two-wheel vehicle electric machine structure described in accordance with the claim 1, it is characterized in that: wheel side lid includes revolver
The lid (11.2) in lid (11.1) and right wheel, the center revolver Bian Gai have aperture (11.3), the section of stretching out on ontology (11.4)
(11.5) part covers brake rim (20) and cooperates with it；
The center the right wheel Bian Gai has nose section (11.6), is provided on its ontology (11.7) towards the extension of revolver side lid
Extended segment (11.8),
It is all hierarchic structure cooperation at two each wheel side lids and outer cylinder assembly.
7. a kind of electric two-wheel vehicle electric machine structure described in accordance with the claim 1, it is characterized in that:
The L control is in 23.75 ± 0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811641905.1A CN109462307B (en) | 2018-12-29 | 2018-12-29 | Motor structure for electric two-wheeled vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811641905.1A CN109462307B (en) | 2018-12-29 | 2018-12-29 | Motor structure for electric two-wheeled vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109462307A true CN109462307A (en) | 2019-03-12 |
| CN109462307B CN109462307B (en) | 2023-08-25 |
Family
ID=65615745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811641905.1A Active CN109462307B (en) | 2018-12-29 | 2018-12-29 | Motor structure for electric two-wheeled vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109462307B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007255517A (en) * | 2006-03-22 | 2007-10-04 | Namiki Precision Jewel Co Ltd | Differential planetary gear reduction gear |
| CN102684377A (en) * | 2012-05-24 | 2012-09-19 | 常州至精精机有限公司 | Motor reducer |
| CN205248972U (en) * | 2015-10-26 | 2016-05-18 | 新安乃达驱动技术(上海)有限公司 | Hub motor |
| CN207166295U (en) * | 2017-04-14 | 2018-03-30 | 苏州雄大电机有限公司 | A kind of high reduction-ratio hub motor of high pulling torque |
-
2018
- 2018-12-29 CN CN201811641905.1A patent/CN109462307B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007255517A (en) * | 2006-03-22 | 2007-10-04 | Namiki Precision Jewel Co Ltd | Differential planetary gear reduction gear |
| CN102684377A (en) * | 2012-05-24 | 2012-09-19 | 常州至精精机有限公司 | Motor reducer |
| CN205248972U (en) * | 2015-10-26 | 2016-05-18 | 新安乃达驱动技术(上海)有限公司 | Hub motor |
| CN207166295U (en) * | 2017-04-14 | 2018-03-30 | 苏州雄大电机有限公司 | A kind of high reduction-ratio hub motor of high pulling torque |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109462307B (en) | 2023-08-25 |
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Address after: 214101 88-5-d-407, Xihu East Road, Xishan District, Wuxi City, Jiangsu Province Applicant after: WUXI FUMEIJIA ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 214104 Ma Xiang Qiao Tu, Chaqiao new century Industrial Park, anzhen street, Xishan District, Wuxi City, Jiangsu Province Applicant before: WUXI FUMEIJIA ELECTRONIC TECHNOLOGY Co.,Ltd. |
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