CN202384906U - Integrated built-in motor of speed change motor wheel disk in electric bicycle - Google Patents
Integrated built-in motor of speed change motor wheel disk in electric bicycle Download PDFInfo
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- CN202384906U CN202384906U CN201120556893XU CN201120556893U CN202384906U CN 202384906 U CN202384906 U CN 202384906U CN 201120556893X U CN201120556893X U CN 201120556893XU CN 201120556893 U CN201120556893 U CN 201120556893U CN 202384906 U CN202384906 U CN 202384906U
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Abstract
The utility model relates to an integrated built-in motor of a speed change motor wheel disk in an electric bicycle. The integrated built-in motor is arranged on a bottom bracket at the middle of a frame of the electric bicycle, can be electrically driven, manually driven, driven manually and electrically or separately driven without mutual influence, and has the advantages of small energy consumption during movement, stability and reliability in force transmission, and strong climbing capacity. The integrated built-in motor of the speed change motor wheel disk in the electric bicycle comprises a left silk bowl, a bearing I, a motor centre shaft, a screw I, a motor inner end cover, a stator silicon-steel sheet, a bearing II, a stator core, a bearing III, a one-way clutch I, an internal gear, a planet carrier, a bearing IV, a chain wheel, a one-way clutch II, a screw II, a bearing V, a right locknut, an internal gear shaft, a planetary gear, a motor outer end cover, magnetic steel and a chain wheel fixing ring.
Description
Technical field
The utility model relates to the integrated mid-motor of a kind of electric bicycle internal speed-changing 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 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.
Technical background
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 internal speed-changing 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, bearing one, motor axis, screw one, motor inner end cap; Stator silicon steel sheet (stator punching), bearing two, stator inner core, bearing three, one-way clutch one; Internal gear, planet carrier, bearing four, sprocket wheel (chain wheel); One-way clutch two, screw two, bearing five, right locking nut; Inner gear shaft, planetary gear, motor outer end cap, magnet steel and sprocket wheel retainer ring.
The inner gear shaft left end is provided with bearing three installing holes, and the inner gear shaft right-hand member is provided with retaining thread, clutch installation step, and inner gear shaft is provided with through hole; Be used to install the motor axis; Bearing three is installed in inner gear shaft left end bearing three installing holes, and one-way clutch one is fixed on the clutch installation step of inner gear shaft, and the internal gear left side is provided with the clutch installing hole; The internal gear right side is provided with ring gear; Internal gear is fixed on the one-way clutch one, and the right-hand member that three planetary planet carriers are installed in internal gear is housed, and above-mentioned parts are assembled into gear.
The planet carrier outer ring is provided with positioning boss; Stator inner core left side is provided with bearing two installing holes, and the right side is provided with gear inner chamber is installed, and stator inner core right-hand member is provided with detent; The stator inner core is provided with wire hole; Gear is installed in stator inner core right side gear and installs in the inner chamber, and the planet carrier positioning boss matches with the detent of stator inner core, and right locking nut is installed on the external screw thread of stator inner core left side; Bearing two is installed in bearing two installing holes of stator inner core left side; The stator inner core that change-speed gearing is installed is installed in the stator silicon steel sheet (stator punching), on the stator silicon steel sheet (stator punching) stator winding is installed, and the stator winding power line is drawn through the wire hole of stator inner core.Motor inner end cap left end is provided with bearing five installing holes, and motor inner end cap periphery is provided with installing hole, and bearing five is installed in motor inner end cap left end bearing five installing holes.Stator inner core, the stator silicon steel sheet that gear is installed is that stator punching, motor windings constitute stator; Stator is through bearing five and motor inner end cap close-fitting; Silk bowl right side, a left side is provided with bearing one installing hole, and bearing one is installed in bearing one installing hole of silk bowl right side, a left side.Motor outer end cap left side is provided with sun gear, and magnet steel is mounted on motor outer end cap inwall, and motor outer end cap right side is provided with bearing four installing holes, and bearing four is installed in bearing four installing holes of motor outer end cap right side, and motor outer end cap periphery is provided with the installation screw.Sprocket wheel retainer ring left side is provided with bearing four positioning steps; Sprocket wheel retainer ring right side outer periphery is equipped with fixedly step of sprocket wheel (chain wheel); Be provided with clutch two installing holes in the right side; Sprocket wheel retainer ring middle part is provided with the retaining thread hole and inner gear shaft is fastening through retaining thread, and the sprocket wheel retainer ring is installed in motor outer end cap right side through bearing four tight fits, and sprocket wheel (chain wheel) is fastening through screw three and sprocket wheel retainer ring; Clutch two is installed in sprocket wheel fixture right side clutch two installing holes; The external screw thread that the inner end cap of stator inner core stretches out through the stator inner core is housed is fixed in the internal thread on frame five-through right side, fastening through right locking nut, the left side silk bowl that bearing one is housed is installed in the internal thread of frame five-through left side; The motor axis passes left side silk bowl, stator inner core, motor outer end cap successively and stretches out sprocket wheel retainer ring right side through jump ring chucking location, and the motor outer end cap that sprocket wheel (chain wheel), clutch two, sprocket wheel retainer ring, bearing four are housed is fastening through screw one and motor inner end cap.
Operation principle: when installing and using, stator inner core male end is installed in the frame five-through female end and passes through screw threads for fastening.Sprocket wheel (chain wheel) links to each other through flying wheel behind chain and the electric motor car, and foot-operated, crank is installed in motor axis both ends and adopts screw two to fix.
During driven by power; The integrated mid-motor of electric bicycle motor wheel disc rotates through the mid-motor of handle making current; The sun gear of the gear that the motor outer end cap connects drives planetary gear and rotates, and planetary gear drives internal gear and rotates, and internal gear drives inner gear shaft through clutch one and rotates; Inner gear shaft is fixed with the sprocket wheel retainer ring; The sprocket wheel retainer ring is fixed with sprocket wheel (chain wheel), 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 motor axis drives the rotor motion through one-way clutch, and sprocket wheel (chain wheel) drives chain, flywheel drives the electric motor car rear wheel movement, and electric motor car to overtake.
During combination drive, upward slope is can manpower to drive and driven by power is carried out simultaneously, makes the electric motor car trailing wheel to overtake under the situation of labour-saving again in power saving.
The utility model built-in variable speed case can be realized the conversion of different electric motor speeds.
The integrated mid-design of electrical motor of the utility model electric bicycle internal speed-changing 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 internal speed-changing motor wheel disc has high efficiency, low noise, high pulling torque, small size, light weight; Economize material, highly reliable, the long-life, can decelerate owing to have gear; Starting is stable, good climbing is arranged and ride performance, and is energy-conservation, can be in operate as normal under the severe environmental conditions; Be easy to install, 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 internal speed-changing motor wheel disc.
Fig. 2 is the inner gear shaft sketch map of the integrated mid-motor of electric bicycle internal speed-changing motor wheel disc.
Fig. 3 is the motor outer end cap left view of the integrated mid-motor of electric bicycle internal speed-changing motor wheel disc.
Fig. 4 is the motor outer end cap right view of the motor outer end cap of the integrated mid-motor of electric bicycle internal speed-changing motor wheel disc.
Fig. 5 is the motor inner end cap sketch map of the integrated mid-motor of electric bicycle internal speed-changing motor wheel disc.
Fig. 6 is the stator inner core left view of the integrated mid-motor of electric bicycle internal speed-changing motor wheel disc.
Fig. 7 is the stator inner core right view of the integrated mid-motor of electric bicycle internal speed-changing motor wheel disc.
Fig. 8 is the view of installing and using of the integrated mid-motor of electric bicycle internal speed-changing motor wheel disc.
Embodiment
With reference to accompanying drawing 1～8, the integrated mid-motor of electric bicycle motor wheel disc comprises left side silk bowl 1, bearing 1, motor axis 3, screw 1; Motor inner end cap 6, stator silicon steel sheet (stator punching) 7, bearing 28, stator inner core 9, bearing 3 10; One-way clutch 1, internal gear 12, planet carrier 13, bearing 4 14, sprocket wheel (chain wheel) 15; One-way clutch 2 16, screw 2 17, bearing 5 18, right locking nut 19; Inner gear shaft 20, planetary gear 21, motor outer end cap 22, magnet steel 24 and sprocket wheel retainer ring 23.
Planet carrier 13 outer rings are provided with positioning boss 28; Stator inner core 9 left sides are provided with bearing two installing hole 9-1, and the right side is provided with gear inner chamber 9-3 is installed, and stator inner core 9 right-hand members are provided with detent 9-4; Stator inner core 9 is provided with wire hole 9-5; Gear is installed in stator inner core 9 right side gears and installs in the inner chamber 9-3, and planet carrier positioning boss 28 matches with the detent 9-4 of stator inner core, and right locking nut 19 is installed on the stator inner core 9 left side external screw thread 9-2; Bearing 28 is installed in the stator inner core 9 left side bearings two installing hole 9-1; The stator inner core 9 that change-speed gearing is installed is installed in the stator silicon steel sheet (stator punching) 7, on the stator silicon steel sheet (stator punching) 7 stator winding 25 is installed, and stator winding power line 26 is drawn through the wire hole 9-5 of stator inner core 9.Motor inner end cap 6 left ends are provided with bearing five installing hole 6-1, and motor inner end cap 6 peripheries are provided with installing hole 6-2, and bearing 5 18 is installed in the motor inner end cap 6 left end bearings five installing hole 6-1.Stator inner core 9, the stator silicon steel sheet that gear is installed is that stator punching 7, motor windings constitute stator; Stator is through bearing 5 18 and motor inner end cap 6 close-fittings; Silk bowl 1 right side, a left side is provided with bearing one 2 installing holes 29, and bearing 1 is installed in silk bowl 1 right side bearing one installing hole 29 of a left side.Motor outer end cap 22 left sides are provided with sun gear 22-1; Magnet steel 24 is mounted on motor outer end cap 22 inwalls; Motor outer end cap 22 right sides are provided with bearing four installing hole 22-2; Bearing 4 14 is installed in the motor outer end cap 22 right side bearings four installing hole 22-2, and motor outer end cap 22 peripheries are provided with installs screw 22-3.Sprocket wheel retainer ring 23 left sides are provided with bearing four positioning steps 30; Sprocket wheel retainer ring 23 right side outer periphery are equipped with fixedly step 31 of sprocket wheel (chain wheel); Be provided with clutch two installing holes 32 in the right side; Sprocket wheel retainer ring 23 middle parts are provided with the retaining thread hole and inner gear shaft 20 is fastening through retaining thread 20-4; Sprocket wheel retainer ring 23 is installed in motor outer end cap 22 right sides through bearing 4 14 tight fits; Sprocket wheel (chain wheel) 15 is fastening through screw 3 33 and sprocket wheel retainer ring 23, and clutch 2 16 is installed in sprocket wheel fixture 23 right side clutch two installing holes 32, the external screw thread 9-2 that the inner end cap 6 of stator inner core 9 stretches out through stator inner core 9 is housed is fixed in the internal thread on frame five-through 4 right sides; Fastening through right locking nut 19; The left side silk bowl 1 that bearing 1 is housed is installed in the frame five-through 4 left side internal threads, and motor axis 3 passes left side silk bowl 1, stator inner core 9, motor outer end cap 22 successively and stretches out sprocket wheel retainer ring 23 right sides through jump ring chucking location, and the motor outer end cap 22 that sprocket wheel (chain wheel) 15, clutch 2 16, sprocket wheel retainer ring 23, bearing 4 14 are housed is fastening through screw 1 and motor inner end cap 6.
Said motor axis 3 two ends are provided with foot-operated crank installation step 35 and fixing threaded hole.
When installing and using, it is fastening through right locking nut 19 that stator inner core 9 external screw thread 9-2 end is installed in frame five-through 4 female end.Sprocket wheel (chain wheel) 15 links to each other through flying wheel behind chain and the electric motor car, and foot-operated, crank 34 is installed in motor axis 3 both ends and adopts screw 2 17 to fix.
During driven by power; The integrated mid-motor of electric bicycle motor wheel disc rotates through the mid-motor of handle making current; The sun gear 22-1 of the gear that motor outer end cap 22 connects drives planetary gear 21 and rotates, and planetary gear 21 drives internal gear 12 and rotates, and internal gear 12 drives inner gear shaft 20 through clutch 1 and rotates; Inner gear shaft 20 is fixed with sprocket wheel retainer ring 23; Sprocket wheel retainer ring 23 is fixed with sprocket wheel (chain wheel) the 15th, drives the running of electric motor car trailing wheel through sprocket wheel (chain wheel) 15, chain, flywheel, and electric motor car to overtake.
Manpower passes through when driving, and the manpower pin is stepped on foot-operated crank 34, and motor axis 3 drives the rotor motion through one-way clutch, and sprocket wheel (chain wheel) 15 drives chain, flywheel drives the electric motor car rear wheel movement, and electric motor car to overtake.
Claims (6)
1. the integrated mid-motor of electric bicycle internal speed-changing motor wheel disc is characterized in that: comprise left side silk bowl, bearing one, motor axis, screw one, motor inner end cap; The stator silicon steel sheet, bearing two, stator inner core, bearing three, one-way clutch one, internal gear; Planet carrier, bearing four, sprocket wheel, one-way clutch two, screw two, bearing five; Right locking nut, inner gear shaft, planetary gear, motor outer end cap, magnet steel and sprocket wheel retainer ring;
The inner gear shaft left end is provided with bearing three installing holes, and the inner gear shaft right-hand member is provided with retaining thread, clutch installation step, and inner gear shaft is provided with through hole; Be used to install the motor axis; Bearing three is installed in inner gear shaft left end bearing three installing holes, and one-way clutch one is fixed on the clutch installation step of inner gear shaft, and the internal gear left side is provided with the clutch installing hole; The internal gear right side is provided with ring gear; Internal gear is fixed on the one-way clutch one, and the right-hand member that three planetary planet carriers are installed in internal gear is housed, and above-mentioned parts are assembled into gear;
The planet carrier outer ring is provided with positioning boss; Stator inner core left side is provided with bearing two installing holes, and the right side is provided with gear inner chamber is installed, and stator inner core right-hand member is provided with detent; The stator inner core is provided with wire hole; Gear is installed in stator inner core right side gear and installs in the inner chamber, and the planet carrier positioning boss matches with the detent of stator inner core, and right locking nut is installed on the external screw thread of stator inner core left side; Bearing two is installed in bearing two installing holes of stator inner core left side; The stator inner core that change-speed gearing is installed is installed in the stator silicon steel sheet, 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; Motor inner end cap left end is provided with bearing five installing holes, and bearing five is installed in motor inner end cap left end bearing five installing holes; Stator inner core, the stator silicon steel sheet that gear is installed is that stator punching, motor windings constitute stator; Stator is through bearing five and motor inner end cap close-fitting; Silk bowl right side, a left side is provided with bearing one installing hole, and bearing one is installed in bearing one installing hole of silk bowl right side, a left side;
Motor outer end cap left side is provided with sun gear, and magnet steel is mounted on motor outer end cap inwall, and motor outer end cap right side is provided with bearing four installing holes, and bearing four is installed in bearing four installing holes of motor outer end cap right side; Sprocket wheel retainer ring left side is provided with bearing four positioning steps; Sprocket wheel retainer ring right side outer periphery is equipped with fixedly step of sprocket wheel; Be provided with clutch two installing holes in the right side; Sprocket wheel retainer ring middle part is provided with the retaining thread hole and inner gear shaft is fastening through retaining thread, and the sprocket wheel retainer ring is installed in motor outer end cap right side through bearing four tight fits, and sprocket wheel is fastening through screw three and sprocket wheel retainer ring; Clutch two is installed in sprocket wheel fixture right side clutch two installing holes; The external screw thread that the inner end cap of stator inner core stretches out through the stator inner core is housed is fixed in the internal thread on frame five-through right side, fastening through right locking nut, the left side silk bowl that bearing one is housed is installed in the internal thread of frame five-through left side; The motor axis passes left side silk bowl, stator inner core, motor outer end cap successively and stretches out sprocket wheel retainer ring right side through jump ring chucking location, and the motor outer end cap that sprocket wheel, clutch two, sprocket wheel retainer ring, bearing four are housed is fastening through screw one and motor inner end cap.
2. the integrated mid-motor of electric bicycle internal speed-changing motor wheel disc according to claim 1, it is characterized in that: motor inner end cap periphery is provided with installing hole.
3. the integrated mid-motor of electric bicycle internal speed-changing motor wheel disc according to claim 1, it is characterized in that: motor outer end cap periphery is provided with the installation screw.
4. the integrated mid-motor of electric bicycle internal speed-changing 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.
5. the integrated mid-motor of electric bicycle internal speed-changing motor wheel disc according to claim 1 is characterized in that: it is fastening through right locking nut that said stator inner core male end is installed in the frame five-through female end.
6. the integrated mid-motor of electric bicycle internal speed-changing motor wheel disc according to claim 1 is characterized in that: said sprocket wheel links to each other through flying wheel behind chain and the electric motor car, and foot-operated, crank is installed in motor axis both ends and adopts screw two to fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120556893XU CN202384906U (en) | 2011-12-27 | 2011-12-27 | Integrated built-in motor of speed change motor wheel disk in electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120556893XU CN202384906U (en) | 2011-12-27 | 2011-12-27 | Integrated built-in motor of speed change motor wheel disk in electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384906U true CN202384906U (en) | 2012-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120556893XU Withdrawn - After Issue CN202384906U (en) | 2011-12-27 | 2011-12-27 | Integrated built-in motor of speed change motor wheel disk in electric bicycle |
Country Status (1)
| Country | Link |
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| CN (1) | CN202384906U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420494A (en) * | 2011-12-27 | 2012-04-18 | 江苏元始高科技有限公司 | Variable speed wheel-disc integrated mid-motor in electrical bicycle |
| CN108092456A (en) * | 2018-01-23 | 2018-05-29 | 项灿 | A kind of motor side hides outlet structure |
| CN114135650A (en) * | 2021-12-09 | 2022-03-04 | 广州市岳中数字科技有限公司 | Speed reducer capable of passing wire |
| JP2022059834A (en) * | 2020-10-02 | 2022-04-14 | ジヤトコ株式会社 | Bicycle and electrification unit of the same |
-
2011
- 2011-12-27 CN CN201120556893XU patent/CN202384906U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420494A (en) * | 2011-12-27 | 2012-04-18 | 江苏元始高科技有限公司 | Variable speed wheel-disc integrated mid-motor in electrical bicycle |
| CN102420494B (en) * | 2011-12-27 | 2013-08-21 | 南京纳帝机电技术有限公司 | Variable speed wheel-disc integrated mid-motor in electrical bicycle |
| CN108092456A (en) * | 2018-01-23 | 2018-05-29 | 项灿 | A kind of motor side hides outlet structure |
| JP2022059834A (en) * | 2020-10-02 | 2022-04-14 | ジヤトコ株式会社 | Bicycle and electrification unit of the same |
| JP7534911B2 (en) | 2020-10-02 | 2024-08-15 | ジヤトコ株式会社 | Bicycles and motorized bicycle units |
| CN114135650A (en) * | 2021-12-09 | 2022-03-04 | 广州市岳中数字科技有限公司 | Speed reducer capable of passing wire |
| CN114135650B (en) * | 2021-12-09 | 2023-10-03 | 广州市岳中数字科技有限公司 | Speed reducer capable of passing wire |
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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: 20121023 |
|
| 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: 20121023 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. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120815 Effective date of abandoning: 20130821 |
|
| RGAV | Abandon patent right to avoid regrant |