CN2298614Y - Electric motor driving wheel - Google Patents
Electric motor driving wheel Download PDFInfo
- Publication number
- CN2298614Y CN2298614Y CN 97203662 CN97203662U CN2298614Y CN 2298614 Y CN2298614 Y CN 2298614Y CN 97203662 CN97203662 CN 97203662 CN 97203662 U CN97203662 U CN 97203662U CN 2298614 Y CN2298614 Y CN 2298614Y
- Authority
- CN
- China
- Prior art keywords
- driving wheel
- wheel
- motor driving
- electric motor
- seat board
- 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
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides an electric motor driving wheel for electric bicycle, which adopts an accumulator as work power supply and a permanent magnet winding electric motor as power. The utility model completes speed reduction through a planetary gear system; the inner ring of a roller overrunning clutch is driven by the bottom plate of a planetary transmission wheel to drive the outer ring of a clutch. Thereby, the rotation of the casing of a driving wheel and a wheel body winding a core shaft is realized. The outer casing body of the electric motor driving wheel is provided with three structures of an integral shape, a combination shape and an H shape. Besides, the outer casing body of the electric motor driving wheel is provided with an L-shaped rubber protective head and a fixed safe pad. The electric motor driving wheel which adopts the structure has the advantages of compact structure, reliable running, low failure rate, convenient maintenance, high dragging efficiency, long service life and beautiful appearance.
Description
The utility model relates to a kind of drive unit of electric bicycle, especially a kind of motor driving wheel.
At present, the domestic motor driver that is used on the bicycle is different, is mainly the printed circuit motor formula, this class motor has advantages such as volume is little, in light weight than permanent magnetism winding electric machine, but the cost height, the rotating speed height, slowing down is secondary, and the power output loss is big, and is lower than the permanent magnetism winding electric machine useful life.Aspect mandrel and front fork fixing, product in the past is not an additional fixture on the fork leg, and is attractive in appearance and cost is high.
The purpose of this utility model provides a kind of employing permanent magnetism winding direct current machine and is used as power, compact integral structure, reliable, and failure rate is low, long working life, the electric bicycle motor driving wheel of good looking appearance.
The utility model is achieved in that
1. being working power with the storage battery, is power with the permanent magnetism winding electric machine, by guide gear reducing gear and roller overrunning clutch, drives the whole wheel of taking turns and realizes one-directional rotation.Different is with other like product: one, shell body of the present invention is three kinds on monolithic devices, a combined and common H type.Monolithic devices promptly refer to the shell of motor and drive system and wheel wheel rim, spoke, hold together, adopt same material, the time processing moulding, the radial center bulge loop of combined finger motor and drive system shell and wheel spoke, wheel rim are with combination processing pattern (metal material shell and nonmetallic materials circle combination injection-compression molding) or with mechanical attachment mode combination formings such as Bolt Connection, riveted joints, common H type refers to that then the shell wheel rim of motor and drive system is " H " type, and the hole of wheel rim is used for being connected of steel wire width of cloth bar and rim.
2. the roller overrunning clutch of the utility model employing is different from the used pawl type flywheel clutch of like product, it is simple in structure, reliable transmission, noise are low, service behaviour and manufacturing cost all are better than the pawl type flywheel clutch, are more suitable for the application at electric assisted bicycle and battery-operated motor cycle drive unit.
3. fix for the safety of guaranteeing mandrel and avoid motor down-lead to be bruised and to intake at a mandrel outlet mouthful end; the utility model has adopted a kind of head of the nested mandrel hook front fork that other like product do not have that hook, center are arranged to be the fixedly locking gasket of elongated hole and to be contained in " L " type rubber protection head that mandrel is drawn the lead termination; these two accessory functions are reliable; make simple and easy; easy to assembly, effectively guaranteed the complete machine function of driving wheel.
Describe in further detail below in conjunction with accompanying drawing.
Fig. 1 is the utility model internal structure installation diagram.
Fig. 2 is the one-piece type driving wheel shell body of a utility model schematic diagram.
Fig. 3 is the combined driving wheel shell body of a utility model schematic diagram.
Fig. 4 is the common H type of a utility model driving wheel shell body schematic diagram.
Fig. 5 is the fixing locking gasket front view of the utility model dropper.
Fig. 6 is the fixing locking gasket cutaway view of the utility model dropper.
Fig. 7 is the utility model L type rubber protection cutaway view.
Fig. 8 is the utility model L type rubber protection front view.
Overall structure of the present utility model mainly comprises: shell body, mandrel, core shaft end's fixing protector of being made up of nut, safety washer, " L " type rubber sleeve; permanent magnetism winding direct current machine, planetary gear reduction system, roller overrunning clutch and various bearing.The motor driving wheel shell body has three kinds of structures: the wheel rim of wheel, spoke (37) part and driving wheel shell (1) are one-body molded by same material; The wheel rim of wheel, spoke (38) partly with driving wheel shell (1) by the moulding of allosome material composite type; Driving wheel shell (1) wheel rim connects with width of cloth bar 39 and is " H " type; The structure of driving wheel comprises permanent magnetism winding type direct current unit (23,24,25,26,27,28), bearing group (4,14,29,31), mandrel (7), planetary gear (3,12,18), roller overrunning clutch (15) and fastenings and lead, magnetic winding type rotor DC machine (27) and central gear (12) are contained on the same core retainer plate (34), planet transition gear (3) and roller overrunning clutch (15) are with being contained on the cover end seat board (16), planet internal gear (18) is fixed on the seat board (2), and seat board (2) connects with motor stator seat board (23), and seat board (23) then is fixed on the mandrel (7); The inner core of freewheel clutch (15) is connected by the cover end of screw thread with seat board (16), and the shell of clutch (15) then is riveted together with driving wheel shell (1); Mandrel (7) and bicycle front fork leg are provided with a kind of head hook, center are arranged are the fixedly locking gasket (40) of elongated hole, and mandrel is drawn conductor wire end and installed " L " type rubber protection head (41) additional.
Shown in the figure, 1-driving wheel shell, 2-internal gear seat board, 3-planet transition gear; the 4-bearing, 5-rivet, 6-transition wheel shaft, 7-mandrel; 8; 9; 10; the 11-nut; packing ring; locking gasket, 12-central gear, 13-base plate; the 14-bearing, 15-roller overrunning clutch, 16-cover end seat board; the 17-set bolt, 18-planet internal gear, 19-attachment bolt; the 20-attachment bolt, 21-takes turns circle body, 22-set bolt; 23-stator seat board, 24-alignment pin, 25-track ring; the 26-magnet steel, 27-rotor, 28-carbon brush; the 29-bearing, 30-locking gasket, 31-bearing; 32-rubber protection head, 33-core retainer plate, 34-attachment bolt; 35-draws 1 line, 36-shell end cap, 37; the 38-wheel rim; spoke; 39-width of cloth bar, 40-locking gasket, 41-rubber protection head.
Operation principle of the present utility model is: behind the controller power source signal conduction, rotor drives core retainer plate and central gear rotates around mandrel and stator, the central gear that altogether be connected in core retainer plate on rotor this moment forward rotates, drive the rotation of planet transition wheel thus and the star internal tooth crop rotation of detouring is oppositely revolved round the sun, change by speed ratio and reach the deceleration effect.The detour revolution of star internal gear of planet transition wheel, make inner core be connected in the unidirectional rotation of roller overrunning clutch that transition wheel base plate and outer ring are riveted on the driving wheel shell, thereby drive driving wheel shell and whole wheel body and realize unidirectional rotation, realized power-assisted that car load is driven or driven function that the operating state of whole motor driving wheel is subjected to the control of power supply signal and randomly changing.
In sum, the utlity model has following advantage:
1. adopt permanent magnetism winding direct current generator as power, have low cost of manufacture, failure rate is low, dimension Repair easyly, long working life drags the efficient height, and because its rotating speed is low, cooperate epicyclic train with Littler speed reducing ratio obtains bigger output torque, relatively adapts to electric bicycle power-assisted and driving Job requirement.
2. adopt planetary gear reduction system, roller overrunning clutch and fixed central spindle and protection axle head to draw The device of line is so that compact integral structure is reliable.
3. adopt wheel rim and driving wheel shell integral one-step molding and combination forming, better guaranteed driving The craft precision of device housing and wheel rim, easy production routine. Guaranteeing wheel integral body. Works fine In the time of situation, greatly improved product specification and attractive in appearance, also can effectively avoid steel wire width of cloth bar because of get rusty, Loosening even fracture and cause drive corruption accident is conducive to the trouble free service of product.
Claims (3)
1, the motor driving wheel used of a kind of electric bicycle comprises wheel rim, spoke, width of cloth bar, planetary gear, bearing, the permanent magnetism winding type direct current machine of wheel, and clutch is characterized in that: the motor driving wheel shell body has three kinds of structures:
A. the wheel rim of wheel (37) is to connect by spoke (38) with driving wheel shell (1), and is one-body molded by same material;
B. the wheel rim of wheel (37) connects by spoke (38) with driving wheel shell (1), by the moulding of allosome material composite type;
C. driving wheel shell (1) wheel rim connects with width of cloth bar (39) and is " H " type.
2, motor driving wheel as claimed in claim 1, it is characterized in that: the structure of driving wheel comprises: permanent magnetism winding type direct current unit (23,24,25,26,27,28), bearing group (4,14,29,31), mandrel (7), planetary gear (3,12,18), roller overrunning clutch (15) and fastenings and lead, magnetic winding type rotor DC machine (27) and central gear (12) are contained on the same core retainer plate (34), planet transition gear (3) and roller overrunning clutch (15) are with being contained on the cover end seat board (16), planet internal gear (18) is fixed on the seat board (2), and seat board (2) connects with motor stator seat board (23), and seat board (23) then is fixed on the mandrel (7); The inner core of freewheel clutch (15) is connected by the cover end of screw thread with seat board (16), and the shell of clutch (15) then is riveted together with driving wheel shell (1).
3, motor driving wheel as claimed in claim 1 is characterized in that: mandrel (7) and bicycle front fork take off and a kind of head are set hook, center are arranged is the fixedly locking gasket (40) of elongated hole, and mandrel is drawn conductor wire end and installed " L " type rubber protection head (41) additional.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97203662 CN2298614Y (en) | 1997-01-11 | 1997-01-11 | Electric motor driving wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97203662 CN2298614Y (en) | 1997-01-11 | 1997-01-11 | Electric motor driving wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2298614Y true CN2298614Y (en) | 1998-11-25 |
Family
ID=33924454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97203662 Expired - Fee Related CN2298614Y (en) | 1997-01-11 | 1997-01-11 | Electric motor driving wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2298614Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320153A (en) * | 2011-06-14 | 2012-01-18 | 西安交通大学 | A kind of transmission system that is applicable to large-tonnage AC servo forcing press |
| CN106428273A (en) * | 2016-08-31 | 2017-02-22 | 秦皇岛两只老虎科技有限公司 | Manned rolling two-wheeled vehicle |
-
1997
- 1997-01-11 CN CN 97203662 patent/CN2298614Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320153A (en) * | 2011-06-14 | 2012-01-18 | 西安交通大学 | A kind of transmission system that is applicable to large-tonnage AC servo forcing press |
| CN102320153B (en) * | 2011-06-14 | 2014-11-05 | 西安交通大学 | Transmission system suitable for large-tonnage alternating current servo press |
| CN106428273A (en) * | 2016-08-31 | 2017-02-22 | 秦皇岛两只老虎科技有限公司 | Manned rolling two-wheeled vehicle |
| WO2018041148A1 (en) * | 2016-08-31 | 2018-03-08 | 韩晓虎 | Manned rolling two-wheeled vehicle and operation method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |