CN202384907U - Integrated centrally-arranged motor for motor wheel disc of electric bicycle - Google Patents
Integrated centrally-arranged motor for motor wheel disc of electric bicycle Download PDFInfo
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- CN202384907U CN202384907U CN2011205569063U CN201120556906U CN202384907U CN 202384907 U CN202384907 U CN 202384907U CN 2011205569063 U CN2011205569063 U CN 2011205569063U CN 201120556906 U CN201120556906 U CN 201120556906U CN 202384907 U CN202384907 U CN 202384907U
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- electric bicycle
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Abstract
The utility model relates to an integrated centrally-arranged motor for a motor wheel disc of an electric bicycle, which is installed on a five-way at the middle part of an electric bicycle frame. The integrated centrally-arranged motor for the motor wheel disc of the electric bicycle can be driven by electric power and manpower and can be driven by both the manpower and the electric power or can be respectively and independently driven without mutual influence. The integrated centrally-arranged motor for the motor wheel disc of the electric bicycle has the advantages of small energy consumption during the movement, stable and reliable force transfer and strong climbing capability. The integrated centrally-arranged motor for the motor wheel disc of the electric bicycle comprises a left wire bowl, a center shaft of the motor, an inner end cover of the motor, a chain wheel, a bearing 1, a bearing 2, an inner core of a stator, a bearing 3, magnetic steel, a one-way clutch, a bearing 4, a right locking nut, a stator silicon steel sheet and an outer end cover of the motor, wherein the inner core of the stator and the stator silicon steel sheet are installed on the inner end cover of the motor together by the bearing 1; the magnetic steel is stuck onto the inner wall of the outer end cover of the motor to form a motor rotor; the center shaft of the motor successively passes through the bearing 2 and the bearing 3; an external thread arranged at the left end of the inner core of the stator is provided with the right locking nut; the one-way clutch is fixedly installed on the outer end of the center shaft of the motor; and the outer end cover of the motor with the magnetic steel, the chain wheel and the inner end cover of the motor are fixed together by a screw 1.
Description
Technical field
The utility model relates to the integrated mid-motor of a kind of electric bicycle motor wheel disc; Be installed on the five-way of electric bicycle vehicle frame middle part; Can driven by power, manpower driving, manpower and electric power driven in common or individual drive respectively, do not influence mutually, energy consumption is little in the motion; The transmission of power is reliable and stable, and climbing capacity is strong.
Background technology
At present, the hub-type motor is still the crucial matching component of drive system of electric motor vehicle.Though brushless electric machine major part has replaced brush motor, all in all production technology falls behind, and almost all still is manual coiling so far.The high gear reducing motor has the advantage that moment of torsion is big, climbing capacity is strong, but because design and manufacturing technology does not reach a standard as yet fully, and quality problems happen occasionally, still fails to become main product and replace the low speed brushless hub electric motor.In addition, the reliability of controller (repair rate) still only can be controlled at about 1-3% preferably at present, and the whole quality of driving control system still is in than low water-mark.
Shortcoming and deficiency that existing small-sized electric car wheel hub motor product exists are: low speed wheel hub motor climbing capacity is poor, and efficient reduces under the high pulling torque; Thereby motor diameter and volume do bigger and bigger, accomplishes 222mm, 266mm gradually from 142mm, 153mm, 205mm, because the metal consumptive material is many, motor is heavy, causes power and energy density very low, does not meet the requirements of the times of conservation-minded society and lightness.In addition, because the motor magnetic air gap is little, motor housing directly bears the most of load of car load, and easy generation rotor permanent magnetism sheet and stator core scratch, magnetic sheet come off under heavy duty, and motor can't rotate so that the catastrophe failure that can't ride.
The problem that has the gear hub motor to exist at present at a high speed mainly is: Gear Transmission Design, manufacturing technology are still immature; Product ubiquity efficient is not high, noise is big, the phenomenon of easy tooth-breaking, pawl; And most of product is the semiaxis structure; Bearing capacity is poor, and the electric motor car rear axle need bear about 70% (promptly axle is heavy) up to total load of whole load-carryings, so be prone to cause the generation of accident.
At present, the still later wheel hub motor type of drive of the motor-driven technology of small-sized electric car is main, and it is simple in structure, and low cost of manufacture is still the main product in electric motor car market now.Because the rear-wheel hub motor has occupied back shaft position; Thereby can not image height shelves bicycle that kind be installed by speed gear mounted in rear hub or outer speed changer; Car load can only depend on power performance---torque, the rotary speed property of motor fully for the adaptive capacity of different road conditions; Low-speed big facing the wind or the ability of riding such as climbing will be very limited, can't expand.
The front-wheel hub motor drive mode only accounts for very small scale all the time, and there is the wretched insufficiency that influences people's control stability problem of riding in this mode.The front and back wheel product of type of drive simultaneously only accounts for few part, is detected in some external product at present, and its power is front and back two motor sums, thereby actuating force is powerful, and it is strong to adapt to the complex road surface ability, and acceleration performance is good, and climbing capacity is big.But because power consumption is excessive, and battery power is limited, and the continual mileage that once charges is short, and the front and back wheel motor need coordinate control, only is suitable for special purpose and uses.
Summary of the invention
The utility model purpose is to provide a kind of electric bicycle motor wheel disc integrated mid-motor to above-mentioned weak point, and motor stator is fixed in the electric bicycle five-way hole, and sprocket wheel is fixed on the shell of motor, can the external mechanical speed change.Because the electric machine structure of the utility model is simple, compactness, volume is little, and is in light weight, transmission efficiency is high, and manpower and electric power can jointly or be distinguished individual drive, do not influence mutually.The energy of consumption in service in the parts friction is less, and the transmission of power is more complete, and climbing capacity is strong, and it is comfortable, more stable to ride.
The integrated mid-motor of electric bicycle motor wheel disc takes following technical scheme to realize: the integrated mid-motor of electric bicycle motor wheel disc comprises left side silk bowl, motor axis, motor inner end cap, sprocket wheel (chain wheel), bearing one, bearing two, stator inner core, bearing three, magnet steel, one-way clutch, bearing four, right locking nut, stator silicon steel sheet (stator punching) and motor outer end cap.
Stator inner core left end is provided with bearing two installing holes; Stator inner core left end outer setting has external screw thread, and stator inner core right-hand member is provided with bearing three installing holes, and the stator inner core is provided with through hole; Be used to install the motor axis; Bearing two is installed in bearing two installing holes of stator inner core left end, and bearing one is installed in the stator inner core outside, and bearing three is installed in bearing three installing holes of stator inner core right-hand member.The stator inner core is provided with wire hole.The stator inner core that bearing one, bearing three are housed is installed in the stator silicon steel sheet (stator punching), and is fastening through alignment pin, on the stator silicon steel sheet stator winding is installed, and the stator winding power line is drawn through the wire hole of stator inner core.The stator inner core is installed on the motor inner end cap through bearing one with stator silicon steel sheet (stator punching); Magnet steel is mounted on motor outer end cap inwall; Constitute rotor, the motor axis passes bearing two, bearing three successively, and the external screw thread of stator inner core left end setting is equipped with right locking nut; One-way clutch is fixedly mounted on the outer end of motor axis, and the motor outer end cap, sprocket wheel (chain wheel) and the motor inner end cap that have magnet steel are fixed together through screw one.
Said motor outer end cap left end is provided with screw, is used to install screw one.
Said motor axis two ends are provided with foot-operated crank installation step and fixing threaded hole.
Operation principle:
When the integrated mid-motor of electric bicycle motor wheel disc was installed and used, stator inner core male end is installed in frame five-through one side female end, and was fastening through right locking nut.Bearing four is installed on the frame five-through opposite side motor axis, and left side silk bowl is installed in frame five-through opposite side female end, is used to compress location bearing four.Sprocket wheel (chain wheel) links to each other through flying wheel behind chain and the electric motor car, and foot-operated, crank is installed on the foot-operated crank installation step in motor axis both ends, employing screw two stationary positioned.
During driven by power, the integrated mid-motor of electric bicycle motor wheel disc is through the handle making current, and mid-motor rotates, and drives the running of electric motor car trailing wheel through sprocket wheel (chain wheel), chain, flywheel, and electric motor car to overtake.
Manpower passes through when driving, and the manpower pin is stepped on foot-operated crank, and the driving motor axis drives rotor through one-way clutch and rotates, and drives the electric motor car trailing wheel and rotates through sprocket wheel (chain wheel) drive chain, flywheel repeatedly, and electric motor car to overtake.
During combination drive, can manpower during upward slope drive and driven by power is carried out simultaneously, make the electric motor car trailing wheel to overtake under the situation of labour-saving again in power saving.
The integrated mid-design of electrical motor of the utility model electric bicycle motor wheel disc is reasonable, and compact conformation, motor stator are fixed in the electric bicycle five-way hole, and the multi-disc hinge wheel is fixed on the shell of motor, can the external mechanical speed change.Because the electric machine structure of the utility model is simple, compactness, volume is little, and is in light weight, transmission efficiency is high, and manpower and electric power can jointly or be distinguished individual drive, do not influence mutually.The energy of consumption in service in the parts friction is less, and the transmission of power is more complete, and climbing capacity is strong, and it is comfortable, more stable to ride.
Mid-motor drive mode since its installation site at the middle part of electric motor car, compact conformation is reasonable, with car---robot system center of gravity line position is close, the car load good stability of riding; Because motor does not directly carry, its power performance is more powerful; Thereby changed the weight that wheel hub in the present wheel hub Drive Structure should be born car body and bicyclist, needed the most unfavorable processing condition of transmission of drive force square again; Because trailing wheel is identical with the ordinary bicycle structure, the maintenance trailing wheel is also convenient.Opposite with the rear-wheel hub formula, rear axle can be installed inside and outside speed changer, and car load is unrestricted for the adaptive capacity of different road conditions, the ability of riding, and can perform to ultimate attainmently, and does not have the front-wheel drive mode to influence the shortcoming of control stability.In addition,, make its circuit, joint ohmic loss under big electric current minimum, limited battery power is fully used because the position between motor and the controller is nearest.
The integrated mid-motor of electric bicycle motor wheel disc has high efficiency, low noise, high pulling torque, small size; Light weight is economized material, and is highly reliable, the long-life; The good climbing and the performance of riding are arranged, can be easy to install in operate as normal under the severe environmental conditions, working service is simple; But built-in controller is realized electromechanical integration, intellectuality, perfect in shape and function, high performance-price ratio.
Description of drawings
Below will combine accompanying drawing that the utility model is described further:
Fig. 1 is the integrated mid-electric machine structure sketch map of electric bicycle motor wheel disc.
Fig. 2 is the stator inner core left view of the integrated mid-motor of electric bicycle motor wheel disc.
Fig. 3 is the stator inner core right view of the integrated mid-motor of electric bicycle motor wheel disc.
Fig. 4 is the motor outer end cap sketch map of the integrated mid-motor of electric bicycle motor wheel disc.
Fig. 5 is the view of installing and using of the integrated mid-motor of electric bicycle motor wheel disc.
Embodiment
With reference to accompanying drawing 1～4, the integrated mid-motor of electric bicycle motor wheel disc comprises left side silk bowl 1, motor axis 2, motor inner end cap 4, sprocket wheel (chain wheel) 5, bearing 1, bearing 27, stator inner core 8, bearing 39, magnet steel 10, one-way clutch 11, bearing 4 13, right locking nut 15, stator silicon steel sheet (stator punching) 16 and motor outer end cap 17.
Stator inner core 8 left ends are provided with bearing two installing hole 8-1; Stator inner core 8 left end outer setting have external screw thread 8-2, and stator inner core 8 right-hand members are provided with bearing three installing hole 8-4, and stator inner core 8 is provided with through hole 8-5; Be used to install motor axis 2; Bearing 27 is installed in the bearing two installing hole 8-1 of stator inner core 8 left ends, and bearing 1 is installed in stator inner core 8 outsides, and bearing 39 is installed in the bearing three installing hole 8-4 of stator inner core 8 right-hand members.Stator inner core 8 is provided with wire hole 8-3.The stator inner core 8 that bearing 1, bearing 39 are housed is installed in the stator silicon steel sheet (stator punching) 16, and is fastening through alignment pin, and stator winding 18 is installed on the stator silicon steel sheet 7, and stator winding power line 19 is drawn through the wire hole 8-3 of stator inner core 8.Stator inner core 8 is installed on the motor inner end cap 4 through bearing 1 with stator silicon steel sheet (stator punching) 16; Magnet steel 10 is mounted on motor outer end cap 17 inwalls; Constitute rotor; Motor axis 2 passes bearing 27, bearing 39 successively; The external screw thread 8-2 of stator inner core 8 left end settings is equipped with right locking nut 15, and one-way clutch 11 is fixedly mounted on the outer end of motor axis 2, and the motor outer end cap 17, the sprocket wheel (chain wheel) 5 that have magnet steel are fixed together through screw 1 with motor inner end cap 4.
Said motor axis 2 two ends are provided with foot-operated crank installation step 20 and fixing threaded hole.
Said motor outer end cap 17 left ends are provided with screw, are used to install screw 1.
When the integrated mid-motor of electric bicycle motor wheel disc was installed and used, stator inner core 8 external screw thread 8-2 end was installed in frame five-through 3 one side female end, and is fastening through right locking nut 15.Bearing 4 13 is installed on the frame five-through 3 opposite side motor axis 2, and left side silk bowl 1 is installed in frame five-through 3 opposite side female end, is used to compress location bearing 4 13.Sprocket wheel (chain wheel) 5 links to each other through flying wheel behind chain and the electric motor car, on the foot-operated crank installation step 20 in motor axis 2 both ends, foot-operated, crank 21 is installed, employing screw 2 12 stationary positioned.
Claims (5)
1. the integrated mid-motor of electric bicycle motor wheel disc is characterized in that: comprise left side silk bowl, motor axis, motor inner end cap, sprocket wheel, bearing one, bearing two, stator inner core, bearing three, magnet steel, one-way clutch, bearing four, right locking nut, stator silicon steel sheet and motor outer end cap;
Stator inner core left end is provided with bearing two installing holes, and stator inner core left end outer setting has external screw thread, and stator inner core right-hand member is provided with bearing three installing holes; The stator inner core is provided with through hole, is used to install axis, and bearing two is installed in bearing two installing holes of stator inner core left end; Bearing one is installed in the stator inner core outside, and bearing three is installed in bearing three installing holes of stator inner core right-hand member, and the stator inner core is provided with wire hole; The stator inner core that bearing one, bearing three are housed is installed in the stator silicon steel sheet; Fastening through alignment pin, on the stator silicon steel sheet stator winding is installed, the stator winding power line is drawn through the wire hole of stator inner core; The stator inner core is installed on the motor inner end cap through bearing one with the stator silicon steel sheet; Magnet steel is mounted on motor outer end cap inwall; Constitute rotor, the motor axis passes bearing two, bearing three successively, and the external screw thread of stator inner core left end setting is equipped with right locking nut; One-way clutch is fixedly mounted on the outer end of motor axis, and the motor outer end cap, sprocket wheel and the motor inner end cap that have magnet steel are fixed together through screw one.
2. the integrated mid-motor of electric bicycle motor wheel disc according to claim 1 is characterized in that: said motor axis two ends are provided with foot-operated crank installation step and fixing threaded hole.
3. the integrated mid-motor of electric bicycle motor wheel disc according to claim 1; It is characterized in that: stator inner core male end is installed in frame five-through one side female end; Fastening through right locking nut; Bearing four is installed on the frame five-through opposite side motor axis, and left side silk bowl is installed in frame five-through opposite side female end, is used to compress location bearing four.
4. the integrated mid-motor of electric bicycle motor wheel disc according to claim 1 is characterized in that: sprocket wheel links to each other through flying wheel behind chain and the electric motor car.
5. the integrated mid-motor of electric bicycle motor wheel disc according to claim 1 is characterized in that: on the foot-operated crank installation step in motor axis both ends, foot-operated, crank is installed, adopts screw two stationary positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205569063U CN202384907U (en) | 2011-12-27 | 2011-12-27 | Integrated centrally-arranged motor for motor wheel disc of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205569063U CN202384907U (en) | 2011-12-27 | 2011-12-27 | Integrated centrally-arranged motor for motor wheel disc of electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384907U true CN202384907U (en) | 2012-08-15 |
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ID=46633379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205569063U Expired - Fee Related CN202384907U (en) | 2011-12-27 | 2011-12-27 | Integrated centrally-arranged motor for motor wheel disc of electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202384907U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510169A (en) * | 2011-12-27 | 2012-06-20 | 江苏元始高科技有限公司 | Integrated built-in motor for electric-bicycle motor wheel disc |
| CN107453539A (en) * | 2016-05-09 | 2017-12-08 | 大众汽车有限公司 | For the rotor of motor, particularly for the rotor of vehicle hybrid power driver |
-
2011
- 2011-12-27 CN CN2011205569063U patent/CN202384907U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510169A (en) * | 2011-12-27 | 2012-06-20 | 江苏元始高科技有限公司 | Integrated built-in motor for electric-bicycle motor wheel disc |
| CN107453539A (en) * | 2016-05-09 | 2017-12-08 | 大众汽车有限公司 | For the rotor of motor, particularly for the rotor of vehicle hybrid power driver |
| CN107453539B (en) * | 2016-05-09 | 2019-11-01 | 大众汽车有限公司 | For the rotor of motor, particularly for the rotor of vehicle hybrid power driver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING NADIA ELECTROMECHNICAL TECHNOLOGICAL CO., Free format text: FORMER OWNER: JIANGSU YUANSHI HIGH TECHNOLOGY CO., LTD. Effective date: 20121207 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210000 NANJING, JIANGSU PROVINCE TO: 210046 NANJING, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121207 Address after: 210046 Yao Road, Yao Road, Qixia District, Jiangsu, Nanjing, 118 Patentee after: Nanjing Nadia Electromechnical Technological Co., Ltd. Address before: 210000, room 3, unit 388, Jiangdong North Road, Nanjing, Jiangsu, 1217 Patentee before: Jiangsu Yuanshi High-tech Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20141227 |
|
| EXPY | Termination of patent right or utility model |