CN202817983U - Light electric bicycle hub motor - Google Patents
Light electric bicycle hub motor Download PDFInfo
- Publication number
- CN202817983U CN202817983U CN2012202673464U CN201220267346U CN202817983U CN 202817983 U CN202817983 U CN 202817983U CN 2012202673464 U CN2012202673464 U CN 2012202673464U CN 201220267346 U CN201220267346 U CN 201220267346U CN 202817983 U CN202817983 U CN 202817983U
- Authority
- CN
- China
- Prior art keywords
- motor
- electric bicycle
- wheel hub
- gear
- rotor
- 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
Images
Classifications
-
- 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
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a light electric bicycle hub motor. The hub motor mainly comprises a hub body, a motor and a speed reducer. The hub body is designed to minimize the size of the hub body. The design of the motor uses the high precision design method, and the hub motor has the advantages of high efficiency, high speed, low vibration, and low noise. The speed reducer uses the two stage speed reduction and the strength enhancement design, thus the torque is increased and the service life is greatly prolonged. The light electric bicycle hub motor solves the conventional problems of the existing light electric bicycle motor that: the torque is small, the noise is large, the speed reduction device easily deforms, and the service life is short. The fully-newly design concept is used in the light electric bicycle hub motor, and the high-precision motor technology is used in the design of the light electric bicycle hub motor, thus the light electric bicycle hub motor becomes a new milepost in the technical field of the light electric bicycle motor.
Description
Technical field
The utility model belongs to the design of electrical motor field, particularly relates to a kind of light-weight electric bicycle wheel hub motor.
Background technology
Along with the normalized development in city, will increase cycle path newly on the track, this can promote the development of bicycle and light-weight electric bicycle.According to the statistics of relevant data, the sales volume of electric bicycle is all increasing every year.
Light-weight electric bicycle is with environmental protection, laborsaving, lightweight, easy to use, safe and favored by broad masses.Because these advantages of light-weight electric bicycle, light-weight electric bicycle will replace the bicycle trend that is inevitable gradually.
Light-weight electric bicycle is a kind of in the electric bicycle, and its characteristics are " light-duty ".Because these characteristics, the design of motor has more difficulty, and motor must be that volume is little, lightweight, and performance is strong.
The ubiquitous problem points of the design of this type of light-weight electric bicycle motor has: torsion is little, noise is large, deceleration device is out of shape easily, the life-span is short etc.
The utility model content
The purpose of this utility model is to provide the light-weight electric bicycle motor that a kind of volume is little, lightweight, swing is little, torsion is large, noise is little, the life-span is long.
For achieving the above object, the utility model has adopted following technical scheme:
A kind of light-weight electric bicycle motor, it is characterized in that: comprise motor and deceleration device in hub body and the hub body, be assembled together by clutch (claiming again unilateral bearing) between described motor and the deceleration device, motor is provided with stator and rotor, deceleration device is provided with planet pin, hub body, motor and deceleration device by three kinds of bearings totally four be assemblied on the main shaft.
Described hub body is assembled by spiral way by wheel hub body frame and two wheel hub side covers, and the wheel hub side cover is being equipped with two symmetrical holes near the end, and internal gear is fixed by screws in the wheel hub body frame.
Described motor is comprised of motor bottom, motor loam cake, stator and rotor, motor bottom covers and is fixed with board unit, the motor bottom is to be screwed to be in the same place with board unit, the planet pin of motor loam cake and deceleration device fixes, and the motor loam cake also fixes with the support of deceleration device.
Described stator is wound in a coil groups by core assembly and copper cash, and core assembly is comprised of 20～60 laminations and insulator, and core assembly is fixed on motor bottom by screw and covers.
Described rotor is comprised of permanent magnet frame, permanent magnet and rotor rack, permanent magnet has 10, is to be contained in the permanent magnet frame, and the permanent magnet frame that is equipped with permanent magnet is installed on the rotor rack, on main shaft b, the other end of rotor rack assembles with clutch rotor rack mutually by bearing assemble.
Stator and rotor are the structures that adopts the external stator internal rotor in the described motor, and it is 6: 5 or 3: 4 that the sets of stator coils number is counted ratio with permanent magnet.
Described deceleration device is comprised of 1 central gear, 3 planetary gears, 3 planet pins, 3 supports and main shaft b, wherein 3 planetary gears, 3 planet pins, 3 supports are evenly distributed on around the central gear, planetary gear is by a gear wheel and the double-layer gear that pinion forms, central gear and planetary gear gear wheel are meshed, and planetary gear pinion and internal gear are meshed.
Described planet pin is to pass planetary gear, and is equipped with two bearings between planet pin and planetary gear, and the two ends of planet pin and the two ends of support are separately fixed on main shaft b and the motor and cover.
The utlity model has following beneficial effect:
(1) volume own is little, lightweight, and simultaneously hunting range is little and torsion is large;
(2) noise that produces is little, and the life-span of use is longer.
Description of drawings
Fig. 1 is this light-weight electric bicycle wheel hub motor perspective view.
Fig. 2 is this light-weight electric bicycle wheel hub motor sectional structure schematic diagram.
Fig. 3 is the assembly structure schematic diagram of main shaft b, planetary gear and support.
Fig. 4 is the transmission schematic diagram of central gear, planetary gear and internal gear.
Fig. 5 is stator in the motor and the structural representation of rotor.
Wherein, 1-wheel hub side cover; The 1a-hole; 2-wheel hub body frame; 3-main shaft a; 4-main shaft b; The 5a-bearing; The 5b-bearing; The 5c-bearing; The 5d-bearing; The 6a-screw; The 6b-screw; The 6c-screw; The 6d-screw; The 7-board unit; 8-motor bottom; 9-motor loam cake; The 10-electric wire; The 11-core assembly; The 11a-lamination; The 11b-insulator; The 12-copper cash; The 13-rotor rack; 14-permanent magnet frame; The 15-permanent magnet; 16-clutch (unilateral bearing); The 17-central gear; The 18-planetary gear; 18a-planetary gear gear wheel; The 18b-planetary gear pinion; The 19-planet pin; The 20-internal gear; The 21-support.
Embodiment
A kind of light-weight electric bicycle motor, it is characterized in that: comprise motor and deceleration device in hub body and the hub body, be assembled together by clutch (claiming again unilateral bearing) 16 between described motor and the deceleration device, motor is provided with stator and rotor, deceleration device is provided with planet pin 19, hub body, motor and deceleration device be by three kinds of bearing 5a, 5b, 5c totally four be assemblied on the main shaft.
Described hub body is assembled by spiral way by wheel hub body frame 2 and two wheel hub side covers 1, and internal gear 20 is fixed in the wheel hub body frame 2 by screw 6d, and the screw fixation method that this assembling mode breaks traditions reaches the hub body volume and minimizes.The hub body smooth outer surface, when assembling with wheel hub side cover 1 for solving wheel hub body frame 2, wheel hub side cover 1 is without the problem of impetus, and the spy is being equipped with two symmetrical holes 1a as the assembling impetus at wheel hub side cover 1 near the end.
Described motor is comprised of motor bottom 8, motor loam cake 9, stator and rotor, be fixed with board unit 7 on the motor bottom 8, motor bottom 8 and board unit 7 are to be fixed together with screw 6a, motor loam cake 9 fixes with the planet pin 19 of deceleration device, and motor loam cake 9 also fixes with the support 21 of deceleration device.Motor partly is the method for designing of using high-accuracy machine field, and the part of accurate design motor each several part is strictly controlled the gap between stator and the rotor, can make like this motor more stable, and utilize efficiently electromagnetic energy.
Motor adopts the form of external stator, internal rotor, the direct current three-phase, wherein stator is wound in 12 coil groups by core assembly 11 and copper cash 12, and core assembly 11 is comprised of 20～60 lamination 11a and insulator 11b, and core assembly 11 is fixed on the motor bottom 8 by screw 6c.The characteristics that design like this: high efficiency, high rotating speed, low vibration, low noise.
Described rotor is comprised of permanent magnet frame 14, permanent magnet 15 and rotor rack 13, permanent magnet 15 has 10, to be contained in the permanent magnet frame 14, the permanent magnet frame 14 that is equipped with permanent magnet 15 is installed on the rotor rack 13, rotor rack 13 is assemblied on the main shaft a3 by bearing 5b, and the other end of rotor rack 13 assembles mutually with clutch 16.
Stator and rotor are the structures that adopts the external stator internal rotor in the described motor, and it is 6: 5 or 3: 4 that the sets of stator coils number is counted ratio with permanent magnet.
Described deceleration device is comprised of 1 central gear 17,3 planetary gears 18,3 planet pins 19,3 supports 21 and main shaft b4, wherein 3 planetary gears 18,3 planet pins 19,3 supports 21 are evenly distributed on around the central gear 17, planetary gear 18 is by a gear wheel 18a and the double-layer gear that pinion 18b forms, central gear 17 and planetary gear gear wheel 18a are meshed, and planetary gear pinion 18b and internal gear 20 are meshed.Described planet pin 19 is to pass planetary gear 18, and is equipped with two bearing 5d between planet pin 19 and planetary gear 18, and the two ends of planet pin 19 and the two ends of support are separately fixed on main shaft b4 and the motor loam cake 9.
Deceleration device is double reduction gear, has solved the hypodynamic problem of turning round.The primary speed-down motor is only used in the design of conventional electric bicycle motor, and because the volume of light-weight electric bicycle motor is little, can not from reducing the method for central gear 17, can badly influence like that the intensity of motor; Can not because be subject to the restriction of hub body, therefore in the light-weight electric bicycle wheel hub motor, use double reduction gear from increasing the method for planetary gear 18, greatly improve torsion.But the application double reduction gear, the problem that occurs easily: planetary gear 18 distortion, device undercapacity, life-span weak point.Deceleration device of the present utility model is fixed planet pin 19 two ends of planetary gear 18 for addressing these problems, and guarantees that planetary gear 18 is indeformable; And in deceleration device, added support 21, strengthen the intensity of deceleration device, thereby the life-span of greatly having improved deceleration device.
The kind of drive explanation of the utility model light-weight electric bicycle motor, behind the electrical power, rotor rotates rotor driven frame 13 and rotates, and rotor rack is to be assemblied on the main shaft 3,4 by bearing 5a, 5b, 5c, 5d, and main shaft 3, the 4th is fixed; The other end of rotor rack 13 assembles mutually with clutch 16, after rotating, rotor rack 13 drives the central gear 17 of deceleration device by clutch 16, central gear 17 1 ends and clutch 16 assemblings, the other end is assemblied on the main shaft b by bearing 5b, central gear 17 and planetary gear gear wheel 18a are meshed, carried out the first order deceleration this moment, planetary gear 18 is that double-layer gear passes through bearing 5a, 5b, 5c, 5d is assemblied on the planet pin 19, the gear wheel 18a of ground floor and the pinion 18b of the second layer rotate with identical circular velocity, planetary pinion 18b and the internal gear 20 that is fixed on the hub body are meshed, and this is to slow down in the second level.Along with the rotation of internal gear 20, hub body also begins to rotate.
The utility model light-weight electric bicycle wheel hub motor can be prepended to the front-wheel of electric bicycle or be placed on the trailing wheel of electric bicycle, drives separately electric bicycle.The itself volume is little, lightweight, and simultaneously hunting range is little and torsion is large; The noise that produces is little, and the life-span of use is longer.
Below be specific embodiment of the utility model, and the utility model will be further described by reference to the accompanying drawings, but the utility model is not limited to this embodiment.
The first operation: board unit 7 usefulness screw 6a are fixed on the motor bottom 8 corresponding positions, then core assembly 11 are assembled in the motor bottom 8 that is fixed with board unit 7 with screw 6c, then these assembly parts are assembled on the corresponding position of main shaft a3.Wherein core assembly 11 is to be loaded on red insulator 11b after overlapping by 20～60 lamination 11a then to twine upper copper cash 12 and form.
The second operation: ten permanent magnets 15 are packed in the permanent magnet frame 14, then the permanent magnet frame 14 that ten permanent magnets 15 are housed is assembled on the rotor rack 13 corresponding positions.Then the bearing 5b corresponding position of main shaft a3 that the first operation finishes of packing into, then above-mentioned rotor rack 13 is installed on the bearing 5b.
The 3rd operation: motor loam cake 9 is installed on the motor bottom 8 that the second operation finishes, then fix with screw 6b.Then load onto bearing 5a in the corresponding position of main shaft a3, and wheel hub side cover 1 is installed on the bearing 5a.
The 4th operation: clutch 16 central gear 17 of packing into, and then clutch 16 is assembled in the rotor rack 13 that the 3rd operation finishes together with central gear 17.
The 5th operation: internal gear 20 usefulness screw 6d are fixed on the wheel hub body frame 2, then the wheel hub body frame 2 that is fixed with internal gear are assembled to the hub side that the 4th operation finishes and cover.Then three supports 21 are installed on the relevant position of motor loam cake.
The 6th operation: load onto three planet pins 19 in the corresponding position of main shaft b4, and load onto corresponding bearing 5d and planetary gear 18 at planet pin 19.Pack into the relevant position of main shaft b4 of bearing 5c.
The 7th operation: the accessory that the 6th operation is finished is assembled in the accessory that the 5th operation finishes, and then fixes with screw 6e.
The 8th operation: then pack into the relevant position of the main shaft b4 that the 7th operation finishes of bearing 5a mounts cover hub side on the upper bearing (metal) 5a.Then utilize hole 1a as impetus, screwing between wheel hub body frame and the wheel hub side cover.Three-dimensional shape after assembling is finished as shown in Figure 1.
Claims (8)
1. light-weight electric bicycle wheel hub motor, it is characterized in that: comprise motor and deceleration device in hub body and the hub body, be assembled together by clutch (16) between described motor and the deceleration device, motor is provided with stator and rotor, deceleration device is provided with planet pin (19), hub body, motor and deceleration device by three kinds of bearings (5a, 5b, 5c) totally four be assemblied on the main shaft.
2. a kind of light-weight electric bicycle wheel hub motor according to claim 1, it is characterized in that: described hub body is assembled by spiral way by wheel hub body frame (2) and two wheel hub side covers (1), the wheel hub side cover is being equipped with two symmetrical holes (1a) near the end, internal gear (20) is fixed in the wheel hub body frame (2) by screw (6d).
3. a kind of light-weight electric bicycle wheel hub motor according to claim 1, it is characterized in that: described motor is comprised of motor bottom (8), motor loam cake (9), stator and rotor, be fixed with board unit (7) on the motor bottom (8), motor bottom (8) and board unit (7) are to be fixed together with screw (6a), the planet pin (19) of motor loam cake (9) and deceleration device fixes, and the motor loam cake also fixes with the support (21) of deceleration device.
4. a kind of light-weight electric bicycle wheel hub motor according to claim 1, it is characterized in that: described stator is wound in 12 coil groups by core assembly (11) and copper cash (12), core assembly (11) is comprised of 20～60 laminations (11a) and insulator (11b), and core assembly (11) is fixed on the motor bottom (8) by screw.
5. a kind of light-weight electric bicycle wheel hub motor according to claim 1, it is characterized in that: described rotor is by permanent magnet frame (14), permanent magnet (15) and rotor rack (13) form, permanent magnet (15) has 10, to be contained in the permanent magnet frame (14), the permanent magnet frame (14) that is equipped with permanent magnet (15) is installed on the rotor rack (13), rotor rack (13) is assemblied on the main shaft b (3) by bearing (5b), and the other end of rotor rack (13) assembles mutually with clutch (16).
6. a kind of light-weight electric bicycle wheel hub motor according to claim 1 is characterized in that: stator and rotor are the structures that adopts the external stator internal rotor in the described motor, and it is 6: 5 or 3: 4 that the sets of stator coils number is counted ratio with permanent magnet.
7. a kind of light-weight electric bicycle wheel hub motor according to claim 1, it is characterized in that: described deceleration device is by 1 central gear (17), 3 planetary gears (18), 3 planet pins (19), 3 supports (21) and main shaft b (4) form, 3 planetary gears (18) wherein, 3 planet pins (19), 3 supports (21) are evenly distributed on around the central gear (17), the double-layer gear that planetary gear (18) is comprised of a gear wheel (18a) and a pinion (18b), central gear (17) and planetary gear gear wheel (18a) are meshed, and planetary gear pinion (18b) and internal gear (20) are meshed.
8. a kind of light-weight electric bicycle wheel hub motor according to claim 7, it is characterized in that: described planet pin (19) is to pass planetary gear (18), and between planet pin (19) and planetary gear (18), being equipped with two bearings (5d), the two ends of planet pin (19) and the two ends of support are separately fixed on main shaft b (4) and the motor loam cake (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202673464U CN202817983U (en) | 2012-06-07 | 2012-06-07 | Light electric bicycle hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202673464U CN202817983U (en) | 2012-06-07 | 2012-06-07 | Light electric bicycle hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202817983U true CN202817983U (en) | 2013-03-20 |
Family
ID=47876791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202673464U Expired - Fee Related CN202817983U (en) | 2012-06-07 | 2012-06-07 | Light electric bicycle hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202817983U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775567A (en) * | 2014-02-02 | 2014-05-07 | 北京阳铭诚科技有限责任公司 | Speed reducer of electric vehicle |
| CN104079116A (en) * | 2014-07-21 | 2014-10-01 | 严振华 | Reduction ratio variable hub motor for electric bicycle |
-
2012
- 2012-06-07 CN CN2012202673464U patent/CN202817983U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775567A (en) * | 2014-02-02 | 2014-05-07 | 北京阳铭诚科技有限责任公司 | Speed reducer of electric vehicle |
| CN104079116A (en) * | 2014-07-21 | 2014-10-01 | 严振华 | Reduction ratio variable hub motor for electric bicycle |
| CN104079116B (en) * | 2014-07-21 | 2016-08-24 | 严振华 | The wheel hub motor of electrical salf-walking automobile-used variable deceleration ratio |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202449162U (en) | Harmonic speed reducing driver for electric bicycle | |
| CN201254382Y (en) | Low speed large torque gearless permanent magnet synchronous electric barrel | |
| CN102649013A (en) | Rotating disc accelerating device of sports equipment | |
| CN102946167B (en) | Planetary transmission combination motor for electric vehicle | |
| CN202817983U (en) | Light electric bicycle hub motor | |
| CN201717768U (en) | Built-in motor | |
| CN108183580B (en) | Permanent magnet synchronous motor with built-in cylindrical gear differential mechanism | |
| CN202009316U (en) | Permanent magnetic direct-current driving motor with annular rotor for electric vehicles | |
| CN102290934A (en) | Large disc type multi-stator permanent magnet direct-drive wind generating set | |
| CN202565097U (en) | Reduction mechanism used for low starting current motor | |
| CN202175490U (en) | Permanent-magnetic synchronous tractor for elevator | |
| CN202103552U (en) | Large-scale disk type multi-stator permanent magnetic direct driving wind generation set | |
| CN114069999A (en) | Parallel shaft type dual-rotor permanent magnet synchronous motor structure | |
| Fu et al. | A novel axial-flux electric machine for in-wheel gearless drive in plug-in hybrid electric vehicles | |
| WO2019071919A1 (en) | Straight stator excitation generator utilizing belt drive | |
| CN103401355A (en) | Motor integrated with reducing and differential mechanism | |
| CN201444600U (en) | Motor with rotating casing | |
| CN207542914U (en) | It is a kind of to utilize the straight statodyne of caterpillar drive excitation | |
| CN102594078A (en) | External rotor motor device | |
| CN207720005U (en) | A kind of list stator and double-rotor coaxial motor | |
| CN206272378U (en) | Double sensing magnetoes | |
| CN201956872U (en) | Stepping motor | |
| CN101764490A (en) | Multi-disc type permanent magnet synchronous motor for hubs of electric car | |
| CN101075769A (en) | Permanent magnetic generator of high-power density external rotor | |
| CN102664489A (en) | Speed reducing mechanism for low-starting current motor |
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: 20130320 Termination date: 20160607 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |