CN204967513U - A in -wheel motor for on power -assist bicycle - Google Patents
A in -wheel motor for on power -assist bicycle Download PDFInfo
- Publication number
- CN204967513U CN204967513U CN201520604638.6U CN201520604638U CN204967513U CN 204967513 U CN204967513 U CN 204967513U CN 201520604638 U CN201520604638 U CN 201520604638U CN 204967513 U CN204967513 U CN 204967513U
- Authority
- CN
- China
- Prior art keywords
- end cover
- end cap
- hub
- wheel hub
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model discloses an in -wheel motor for on power -assist bicycle, including hub stop end cover, support bearing, waterproof sealing circle, flange end cover, motor spindle, outer wheel hub, stator armature, electric motor rotor, the hub is stopped and is equipped with electric motor rotor between end cover and the flange end cover, the electric motor rotor external fixation has outer wheel hub, the hub is stopped the end cover and is passed through support bearing and fix in motor spindle one side, and support bearing is equipped with the waterproof sealing circle outward, the flange end cover passes through support bearing and fixes the opposite side at motor spindle, and support bearing is equipped with the waterproof sealing circle outward, the stator armature is fixed in the airtight space that the end cover of being stopped by the hub, flange end cover, electric motor rotor constitute through motor spindle. Not only control accuracy is high, the structure is reliable, stability is good, operating efficiency is high, has the speed governing scope of broad and very fast response characteristic moreover for this an in -wheel motor for on power -assist bicycle, the operation of adaptation under different work condition.
Description
Technical field
The utility model relates to a kind of bicycle accessories device for detecting performance, particularly relates to a kind of wheel hub motor on aiding bicycle.
Background technology
The later stage sixties 20th century, moped started to become popular research topic to the initial stage seventies.After entering the nineties, along with the rapid progress of the correlation techniques such as battery boosting technology, controller, design of electrical motor, the correlative study of moped achieves further development.The key technology of moped can be divided into according to functional structure: motor technology, control technology, battery technology.Wherein, motor and drive technology thereof are the cores of moped, and its performance, efficiency, stability, reliability etc. are very large on the impact of moped car load, and the realization of high performance drive motors to moped function has decisive role.
The drive motors of moped should have that volume is little, lightweight, the slow-speed of revolution, the large feature such as torque, high efficiency.At present, the drive motors of moped belongs to wheel hub motor type substantially, sums up moped drive motors and can obtain drawing a conclusion: (1), although the cost of induction machine is lower, its efficiency is not high, is not suitable for use in drive motors; (2) common drive motors is traditional brush direct current motor, but due to himself complex structure, poor stability, limits the raising of vehicle performance factor; (3) three-phase direct-current brushless motor has become the mainstream type of wheel hub motor; (4) AC permanent magnet synchronous motor and switched reluctance machines are still in the research and probe stage, although more existing drive motors have employed above type motor, its stability, high efficiency still have much room for improvement.Based on above analysis, design the hub-type permagnetic synchronous motor that a control precision is high, structure reliable, good stability, operational efficiency are high, not only can improve the performance of moped, and relevant power-assisted car, hybrid electric vehicle and the aspect such as energy-conserving and environment-protective, engineer applied is all significant.
Summary of the invention
In order to solve the problem of the low height of existing moped drive motors operational efficiency, poor stability, the utility model provides a kind of wheel hub motor on aiding bicycle, not only control precision is high for this wheel hub motor on aiding bicycle, structure is reliable, good stability, operational efficiency are high, and there is wider speed adjustable range and response characteristic faster, adapt to the operation under different operating mode.
The utility model solves the technical scheme that its technical problem adopts: a kind of wheel hub motor on aiding bicycle, comprises hub and to stop end cap, spring bearing, waterproof grommet, flange end cap, electric machine main shaft, outer wheel hub, stator armature, rotor; Described hub is stopped between end cap and flange end cap and is provided with rotor; Rotor extenal fixation has outer wheel hub; Hub end cap of stopping is fixed on electric machine main shaft side by spring bearing, is provided with waterproof grommet outside spring bearing; Flange end cap is fixed on electric machine main shaft opposite side by spring bearing, is provided with waterproof grommet outside spring bearing; Stator armature is fixed on by electric machine main shaft and is stopped in confined space that end cap, flange end cap, rotor form by hub.
Described stator armature is made up of stator winding, stator core, permanent magnet; Permanent magnet is provided with outside stator core; Stator winding is wrapped on stator core.
Described stator winding adopts concentratred winding mode to be wrapped on stator core; Easy for installation like this, have higher power density, and cost is relatively lower.
Described stator core evenly has teeth groove.
Described permanent magnet adopts Nd-Fe-B permanent magnetic structure; Such permanent magnet magnetic performance is the highest, low price, and coercive force is comparatively large, and anti-degaussing ability is comparatively strong, and density is little.
The utility model, a kind of wheel hub motor on aiding bicycle, three-phase current is passed in the stator winding of motor, rotating magnetic field will be formed in the stator winding of motor after passing into electric current, owing to having installed permanent magnet on stator core, the magnetic pole of permanent magnet is fixing, according to the principle of the same-sex attraction opposite sex repulsion of magnetic pole, the rotating magnetic field produced in the stator can rotate by rotor driven, and the rotary speed finally reaching rotor is equal with the rotating speed of the rotary pole produced in stator.
A kind of wheel hub motor on aiding bicycle of the utility model, its beneficial effect is:
1) this wheel hub motor on aiding bicycle has that volume is little, quality light, the feature of compact conformation, and transmission efficiency is high, is conducive to arrangement and vehicle body design.
2) this wheel hub motor on aiding bicycle adopts flat tray type structure, has so not only saved axial space but also has been conducive to improving power of motor density.
3) this wheel hub motor on aiding bicycle improves the reliability of moped system, stability and high efficiency, reaches the requirement of energy-conserving and environment-protective.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the wheel hub motor of the utility model on aiding bicycle.
Fig. 2 is the structural representation of the stator armature of the wheel hub motor of the utility model on aiding bicycle.
In figure, 1, hub stops end cap, 2, spring bearing, 3, waterproof grommet, 4, flange end cap, 5, electric machine main shaft, 6, outer wheel hub, 7, stator armature, 8, rotor, 71, permanent magnet, 72, stator core, 73, stator winding.
Embodiment
Please refer to Fig. 1, this specific embodiment, hub is stopped between end cap (1) and flange end cap (4) and is provided with rotor (8); Rotor (8) extenal fixation has outer wheel hub (6); Hub end cap (1) of stopping is fixed on electric machine main shaft (5) side by spring bearing (2), is provided with waterproof grommet (3) outside spring bearing (2); Flange end cap (4) is fixed on electric machine main shaft (5) opposite side by spring bearing (2), is provided with waterproof grommet (3) outside spring bearing (2); Stator armature (7) is fixed on by electric machine main shaft (5) and is stopped in confined space that end cap (1), flange end cap (4), rotor (8) form by hub.
Please refer to Fig. 2, this specific embodiment, stator core (72) outside is provided with permanent magnet (71); Stator winding (73) is wrapped on stator core (72).
By reference to the accompanying drawings exemplary description is carried out to the utility model above; obvious realization of the present utility model is not subject to the restrictions described above; as long as have employed the various improvement that technical solutions of the utility model are carried out; or say that design of the present utility model and technical scheme are applied to other occasions, all in protection range of the present utility model without improving.
Claims (4)
1. the wheel hub motor on aiding bicycle, is characterized in that: comprise hub and to stop end cap, spring bearing, waterproof grommet, flange end cap, electric machine main shaft, outer wheel hub, stator armature, rotor; Described hub is stopped between end cap and flange end cap and is provided with rotor; Rotor extenal fixation has outer wheel hub; Hub end cap of stopping is fixed on electric machine main shaft side by spring bearing, is provided with waterproof grommet outside spring bearing; Flange end cap is fixed on electric machine main shaft opposite side by spring bearing, is provided with waterproof grommet outside spring bearing; Stator armature is fixed on by electric machine main shaft and is stopped in confined space that end cap, flange end cap, rotor form by hub.
2. a kind of wheel hub motor on aiding bicycle according to claim 1, is characterized in that: described stator armature is made up of stator winding, stator core, permanent magnet; Permanent magnet is provided with outside stator core; Stator winding is wrapped on stator core.
3. a kind of wheel hub motor on aiding bicycle according to claim 1 and 2, is characterized in that: described stator winding adopts concentratred winding mode to be wrapped on stator core.
4. a kind of wheel hub motor on aiding bicycle according to claim 1 and 2, is characterized in that: described stator core evenly has teeth groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520604638.6U CN204967513U (en) | 2015-08-13 | 2015-08-13 | A in -wheel motor for on power -assist bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520604638.6U CN204967513U (en) | 2015-08-13 | 2015-08-13 | A in -wheel motor for on power -assist bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204967513U true CN204967513U (en) | 2016-01-13 |
Family
ID=55062553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520604638.6U Expired - Fee Related CN204967513U (en) | 2015-08-13 | 2015-08-13 | A in -wheel motor for on power -assist bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204967513U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206358A (en) * | 2019-04-25 | 2019-09-06 | 汪怡岑 | A kind of stereo garage vertical shift structure of In-wheel motor driving |
| CN110535276A (en) * | 2019-09-27 | 2019-12-03 | 苏州恒驱机电有限公司 | A kind of slide plate vehicle motor that sealing effect is good |
-
2015
- 2015-08-13 CN CN201520604638.6U patent/CN204967513U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206358A (en) * | 2019-04-25 | 2019-09-06 | 汪怡岑 | A kind of stereo garage vertical shift structure of In-wheel motor driving |
| CN110206358B (en) * | 2019-04-25 | 2020-10-30 | 汪怡岑 | Wheel hub motor driven stereo garage moves structure from north to south |
| CN110535276A (en) * | 2019-09-27 | 2019-12-03 | 苏州恒驱机电有限公司 | A kind of slide plate vehicle motor that sealing effect is good |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101282071A (en) | Permanent magnetism synchronous wheel hub motor for directly driving electric vehicle wheel | |
| CN101459367A (en) | Outer rotor direct driving type permanent magnet synchronous torque servo motor | |
| CN102931788A (en) | Disc compound multi-combination three-dimensional permanent magnet motor | |
| CN201204530Y (en) | Permanent magnet synchronous hub motor for directly driving electric vehicle wheel | |
| CN204967513U (en) | A in -wheel motor for on power -assist bicycle | |
| CN205753868U (en) | Automobile electric booster steering system Brushless DC Motor Position sensing device | |
| CN103078457B (en) | Double-rotor synchronous motor with two electric brushes and permanent magnets on inner circle and without stator | |
| CN204179910U (en) | A kind of electric tool brushless motor structure | |
| CN103078458B (en) | Stator-free brushless dual-rotor outer ring permanent magnet synchronous motor with rotating controller | |
| CN203645515U (en) | External rotor permanent magnet synchronous motor of industrial big fan | |
| CN103023242B (en) | Stator-free brushless double-rotor inner-ring permanent magnet synchronous motor with rotary controller | |
| CN203193467U (en) | Switch reluctance motor for electric bicycle or electric motorcycle | |
| CN206389221U (en) | A kind of bimorph transducer single rotor from shock-absorbing motor | |
| CN202135030U (en) | Internal rotor permanent-magnet brushless DC wheel hub motor | |
| CN201341077Y (en) | Outer rotor direct drive permanent-magnet synchronizing torque servomotor | |
| CN202586678U (en) | Novel high-efficiency permanent-magnet brushless direct-current motor | |
| CN208581150U (en) | A kind of bimorph transducer variable speed permanent magnetism synchronous driving system | |
| CN2418613Y (en) | DC. Permanent-magnet slot-free and brush-free low-speed motor for electric vehicles | |
| CN108715131B (en) | New-energy automobile double speed wheel motor | |
| CN105207386A (en) | DC motor for pure electric vehicle | |
| CN204615605U (en) | A kind of high pulling torque magneto used for electric vehicle | |
| CN201937428U (en) | Novel electric moped motor | |
| CN205212645U (en) | Formula motor is inserted soon to electric motor car external rotor | |
| CN201393150Y (en) | Permanent-magnetic DC electric motor with double commutators | |
| CN2595061Y (en) | Chargeable brushless motor for electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20180813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |