CN200973051Y - Hub dynamo of electric cycle - Google Patents
Hub dynamo of electric cycle Download PDFInfo
- Publication number
- CN200973051Y CN200973051Y CN 200620108810 CN200620108810U CN200973051Y CN 200973051 Y CN200973051 Y CN 200973051Y CN 200620108810 CN200620108810 CN 200620108810 CN 200620108810 U CN200620108810 U CN 200620108810U CN 200973051 Y CN200973051 Y CN 200973051Y
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- wheel hub
- stator
- special
- electric motor
- groove
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a wheel boss electric motor for the electric bicycle which comprises a wheel boss, an electric motor component, a deceleration gear unit and an electric motor component that contains a stator and a rotor, wherein the casing of the stator is fixed on the principal axis; the stator loop is positioned in the stator casing; the stator loop is provided with a Hall element that controls the direction of starting; the rotor is provided with a screw thread rotational shaft installing sleeve; the rotational shaft installing sleeve and the deceleration gear are meshed with. The device is characterized in that the inside of an end cap in the wheel boss is fixed with a wheel boss flange plate; the flange plate is arranged with a single clutching component composed of a ring-shaped support and an abnormal bearing; the ring support is arranged with a plurality of bearing slots; the abnormal bearing is arranged in the slot; and the single clutching component is sleeved on the shaft ring of the deceleration gear. The utility model has the advantages of reasonable structure, stable performance and convenient maintenance.
Description
Technical field
The utility model relates to a kind of electric vehicle motor, specifically is a kind of wheel hub electric motor of electric vehicle.
Background technology
Advocate the vehicles that use clean environment firendly energetically in current society, electric bicycle is subjected to consumers in general's favor deeply because of its free of contamination characteristics convenient for cleaning, the wheel hub motor of electric bicycle is the core of electric bicycle, its performance will directly influence the performance of car load, wheel hub motor has passed through the brushless electric machine that generally uses up till now from the carbon brush motor, from the motor of the low-speed direct driving type in the past process of high deceleration type of drive up till now, motor internal is constantly getting a promotion, and it is little that the wheel hub motor of electric bicycle relatively in one's early years has a starting current, turn round and refuse greatly, characteristics such as it is singly low to make an uproar; But present wheel hub motor mainly has the following disadvantages:
1, the coil of motor seals basically, in case the electrical fault inconvenient maintenance occurs.
2, it is bonding that the rotor magnetic steel of wheel hub motor generally adopts glue, and the time has been grown easily and come off.
3, motor and wheel hub do not adopt freewheel clutch or have adopted freewheel clutch, but the complex structure of freewheel clutch, the idle running spacing is from length when just changeing, and the clutch noise is bigger during work.
The utility model content
The purpose of this utility model is to provide a kind of wheel hub electric motor of electric vehicle to improve accordingly at present wheel hub motor deficiency, has rational in infrastructure, stable performance, characteristics easy to maintenance.
The utility model is by the following technical solutions:
A kind of wheel hub electric motor of electric vehicle, comprise wheel hub, motor component, train of reduction gears, motor component comprises stator and rotor, the housing of stator connects firmly on main shaft, stator coil is placed in the stator case, stator coil is provided with the Hall element that control starts direction, rotor is provided with the tooth of synchronous belt driving sleeve, driving sleeve is meshed with train of reduction gears, it is characterized in that: the inboard at one of them end cap of wheel hub is fixed with the wheelboss flange dish, be equipped with the one-way clutch parts of forming by ring holder and Special-shaped bearing in the ring flange, several bearing grooves evenly are set on the ring holder, Special-shaped bearing ccontaining with groove in, the one-way clutch parts are socketed on the blowout patche of train of reduction gears.
Described reduction gearing is formed and is made up of planetary gear, drive plate, and three planetary gears are symmetricly set on a side of drive plate, is provided with blowout patche at the opposite side of drive plate.
Also be fixedly connected with the internal-gear ring that matches with three planetary gears of train of reduction gears on the described stator.
Described wheelboss flange Pan Neiquanbi is provided with the one-way clutch tooth, on the Special-shaped bearing outside, be provided with and the corresponding protruding hoof of clutch tooth, be provided with draw-in groove, draw-in groove also is set on the blowout patche correspondingly in the inboard of Special-shaped bearing, two draw-in grooves cooperate fixing hole of formation, are equipped with bayonet lock in the fixing hole.
The outside is inlaid with magnet steel on the described bracing frame.
On described stator case and the corresponding position of Hall element, have a breach.
The end of described blowout patche is provided with fixing hole, have a Special-shaped bearing spacer to be fixed on the end of blowout patche by screw and with the one-way clutch positioning parts on blowout patche, outer rim at the Special-shaped bearing spacer is established spring fixed seat, on bracing frame, offer the containing cavity of spring fixed seat accordingly, have on the holder of a spring socket, the other end of spring holds in containing cavity.
Described rotor outer rim place several dovetail grooves that evenly distribute, between two adjacent dovetail grooves, form the cross section and be fan-shaped projection, have the expansion groove on fan-shaped projection, magnet steel is placed in each dovetail groove, is provided with expandable nail in the expansion groove and makes that magnet steel firmly is fixed in the dovetail groove.
The defective that the utility model exists at existing electric bicycle hub motor, mainly set up a kind of new structure freewheel clutch in wheel hub inside, and the surface structure of the fixed form of rotor magnetic steel and stator case improved accordingly, the fully sharp existing wheel hub motor internal structure of the freewheel clutch that adopts in the utility model, just be fixed with a ring flange on the end cap therein, and setting is formed the one-way clutch parts by ring holder and Special-shaped bearing in ring flange, and on train of reduction gears, set up the blowout patche that matches with the one-way clutch parts, the freewheel clutch of said structure has made full use of the wheel hub motor existing resource, have simple in structure, the characteristics of saving space and material; Simultaneously said structure one-way clutch parts machine shaft during relatively with the wheel hub counter-rotating blowout patche drive Special-shaped bearing by bayonet lock and just change, the outer rim of Special-shaped bearing is separated with the inboard of ring flange at this moment, is in released state between wheel hub and the motor internal; Machine shaft relatively and wheel hub when just changeing, blowout patche is by the Special-shaped bearing on the bayonet lock drive one-way clutch parts, the Special-shaped bearing counter-rotating makes the protruding hoof perk in the Special-shaped bearing outside to block with blue method dish inboard, thereby making motor can drive wheel hub rotates, the said structure arrangement of clutch from be separated in conjunction with the time motor angle that dallied very little, impulsive force to element is little, and service behaviour is more stable relatively.The utility model also has a breach in the position of the element of the corresponding Hall element of stator case in addition, Hall element is the core component of motor, energy one-directional rotation during the control electric motor starting, present wheel hub motor stator coil and Hall element are wrapped up by stator case together, when Hall element damages, wheel hub motor can't keep in repair or keep in repair extremely inconvenient substantially, and of the present utility model need just can directly repair or replace just passable when wherein an end cap unloads with wheel hub to Hall element.The utility model overcomes existing wheel hub motor and comes with some shortcomings, and has the advantages that structure is reasonable more, performance is stablized more, maintenance is convenient.
Description of drawings
Fig. 1, structural representation of the present utility model;
Fig. 2, perspective exploded view of the present utility model;
The structural representation of Fig. 3, the utility model one-way clutch parts;
The structural representation of Fig. 4, the utility model stator;
The structural representation of Fig. 5, the utility model rotor;
Fig. 6, the utility model reduction gear arrangement schematic diagram;
The structural representation that Fig. 7, the utility model reduction gearing cooperate with the one-way clutch parts;
The structural representation of the wheel hub end housing of Fig. 8, the blue method dish of the utility model band;
The structural representation that the wheel hub end housing of Fig. 9, the blue method dish of the utility model band cooperates with the one-way clutch parts;
The structural representation that Figure 10, another execution mode train of reduction gears of the utility model cooperate with the one-way clutch parts.
Embodiment
Shown in Fig. 1-10, a kind of magnetic separates electric bicycle hub motor, comprise wheel hub 1, motor component, train of reduction gears 4, motor component comprises stator 3 and rotor 6, the housing of stator 3 connects firmly on main shaft 31, and stator coil is placed in the stator case, and stator coil is provided with the Hall element 33 that control starts direction, on stator case and the corresponding position of Hall element, have a breach 34, also be fixedly connected with internal-gear ring 32 at the opposite side of stator case; Rotor 6 is provided with tooth of synchronous belt driving sleeve 62, driving sleeve 62 is meshed with train of reduction gears 4,4 one-tenth of described train of reduction gears are by planetary gear 41, drive plate 42 is formed, three planetary gears 41 are symmetricly set on a side of drive plate 42, be provided with blowout patche 43 at another of drive plate 42, inboard at one of them end cap 2 of wheel hub 1 is fixed with wheelboss flange dish 21, described wheelboss flange dish 21 inner ring walls are provided with one-way clutch tooth 22, be equipped with the one-way clutch parts of forming by ring holder 51 and Special-shaped bearing 53 5 in the ring flange 21, ring holder 51 is provided with several mutual centrosymmetric bearing grooves, Special-shaped bearing 52 is placed in the groove, Special-shaped bearing 52 is provided with the protruding hoof 55 of the clutch that matches with one-way clutch tooth 22, one-way clutch parts 5 are socketed on the blowout patche 43 of train of reduction gears 4, be provided with draw-in groove 54 in the inboard of Special-shaped bearing 52,44, two draw-in grooves of blowout patche draw-in groove also are set on the blowout patche 43 correspondingly cooperate fixing hole of formation, be equipped with bayonet lock 45 in the fixing hole.
During the utility model work, the stator coil energising drives rotor 6 rotations, the driving sleeve 62 of the tooth of synchronous belt on the rotor 6 is meshed with train of reduction gears 4, because three planetary outsides are meshed with internal-gear ring 32 on the stator 3, thereby driving planetary gear 41, driving sleeve 62 also can in internal-gear ring 32, rotate 42 rotations of drive drive plate simultaneously in rotation, the groove number is exactly the reducing gear speed reducing ratio with the ratio of internal-gear ring 32 groove numbers on the driving sleeve 62, drive plate 42 rotations drive the blowout patche 43 that connects firmly at its opposite side, blowout patche 43 ccontaining with one-way clutch parts 5 in, be equipped with draw-in groove 44 on blowout patche 43 and the Special-shaped bearing 52,54, the draw-in groove 44 on both sides, 54 in conjunction with forming a pin hole, there is a bayonet lock 45 to be contained in the latch hole, at first can drive Special-shaped bearing 52 rotations when blowout patche 43 rotates, protruding hoof 55 will block ring flange 21 and can't be rotated further this moment blowout patche 43 and will drive bracing frame 51 after Special-shaped bearing 52 revolves the shape certain angle, Special-shaped bearing 52 and wheel hub 1 rotate synchronously; Above-mentioned one-way clutch functions of components is achieved in that in blowout patche 43 velocities of rotation during greater than wheel hub 1 velocity of rotation, blowout patche 43 is just changeing with respect to wheel hub 1, blowout patche 43 drive Special-shaped bearings 52 counter-rotatings this moment, Special-shaped bearing 52 counter-rotatings make protruding hoof 55 perks in its outside be held in the clutch tooth 22 of blue method dish 21, make blowout patche 43, bracing frame 51, Special-shaped bearing 52 and wheel hub 1 one rotate synchronously; And when blowout patche 43 rotating speeds during less than wheel hub 1 rotating speed, blowout patche 43 relative wheel hub 1 counter-rotatings, this moment, blowout patche 43 drive Special-shaped bearings 52 just changeed, make the protruding hoof 55 in Special-shaped bearing 52 outsides break away from clutch tooth 22, make wheel hub 1 place's non-resistance sliding state, wheel hub can not produce any active force to the motor of inside, makes whole motor place magnetic released state.
The utility model is inlayed magnet steel 53 on the lateral wall of the bracing frame 51 of one-way clutch parts 5, when this set is just changeing with respect to wheel hub at motor, under magnet steel 53 graviational interactions, can make Special-shaped bearing 52 promptly hold the clutch tooth 22 of ring flange 21 inboards, reduce the angle of motor idle running, improve the overall performance of wheel hub motor; The utility model also can be provided with fixing hole in the end of described blowout patche 43, there is a Special-shaped bearing spacer 56 to be fixed on the end of blowout patche 43 by screw, establish spring fixed seat 57 in the outer rim of Special-shaped bearing spacer 56, the corresponding with it containing cavity that on bracing frame 51, offers spring fixed seat 56, have on the holder of a spring 58 sockets, the other end of spring holds on the sidewall of containing cavity; Above-mentioned in the present embodiment containing cavity has utilized existing bearing groove on the bracing frame 51, gets Special-shaped bearing from dead eye spring fixed seat 57 and spring 58 installations are put in the bearing groove.Adopt said structure at motor speed during less than hub rotation speed, under the effect of spring 58, make Special-shaped bearing produce rotation between one-way clutch parts and the blowout patche automatically, make one-way clutch parts 5 be transformed into disengaged position automatically from the state of holding, really realized the clutch of no gap, the noise the when wheel hub motor of reduction is worked.
The speed ratio of existing relatively its train of reduction gears of wheel hub electric motor of electric vehicle 5 of the utility model is bigger, thereby can adopt high-speed electric expreess locomotive to drive, and the electric current in electric bicycle starts and travels is all less, and output torque is then bigger; The structure of one-way clutch parts is very simple, makes full use of existing wheel hub motor volume inside when design, do not need to increase the volume of wheel hub, and the angle of the parts of clutch idle running is little, and noise is low during rotation.
Another characteristics of the utility model have breach 34 at stator case and Hall element 33 opposite positions exactly, this breach 34 does not influence the machine operation performance at ordinary times, when Hall element 33 breaks down, to the maintenance of Hall element 33 with change suitable convenience, the end cap 2 that during maintenance ring flange will be set is not opened, end cap 2 is opened the back just can directly find breach 34 on the stator case, and breach 34 places just can directly repair or replace Hall element 33, and it is just passable to fix end cap then.
The 3rd characteristics of the utility model are exactly several dovetail grooves 61 that evenly distribute at rotor 6 outer rim places, between two adjacent dovetail grooves 61, form the cross section and be fan-shaped projection, on fan-shaped projection, have expansion groove 63, magnet steel 65 has expandable nail 64 magnet steel 65 firmly to fix in the dovetail groove in dovetail groove 61 expansion grooves 63, adopt above-mentioned structure with respect to the existing bonding fixed form of glue that adopts, magnet steel 65 is fixed more reliable, the phenomenon of magnet steel 65 in rotor 6 rotary courses can not take place, can make wheel hub motor work more reliable, the life-span is longer.
Claims (9)
1, a kind of wheel hub electric motor of electric vehicle, comprise wheel hub, motor component, train of reduction gears, motor component comprises stator and rotor, the housing of stator connects firmly on main shaft, stator coil is placed in the stator case, stator coil is provided with the Hall element that control starts direction, rotor is provided with the tooth of synchronous belt rotary axle box, rotary axle box is meshed with train of reduction gears, it is characterized in that: the inboard at one of them end cap of wheel hub is fixed with the wheelboss flange dish, be equipped with the one-way clutch parts of forming by ring holder and Special-shaped bearing in the ring flange, ring holder is provided with several mutual centrosymmetric bearing grooves, Special-shaped bearing ccontaining with bearing groove in, the one-way clutch parts are socketed on the blowout patche of train of reduction gears.
2, a kind of wheel hub electric motor of electric vehicle as claimed in claim 1 is characterized in that: described reduction gearing is formed and is made up of planetary gear, drive plate, and three planetary gears are symmetricly set on a side of drive plate, is provided with blowout patche at the opposite side of drive plate.
3, a kind of wheel hub electric motor of electric vehicle as claimed in claim 2 is characterized in that: also be fixedly connected with the internal-gear ring that matches with three planetary gears of train of reduction gears on the stator of stating.
4, a kind of wheel hub electric motor of electric vehicle as claimed in claim 1, it is characterized in that: described wheelboss flange Pan Neiquanbi is provided with the one-way clutch tooth, on the Special-shaped bearing outside, be provided with and the corresponding protruding hoof of clutch tooth, inboard at Special-shaped bearing is provided with draw-in groove, draw-in groove also is set on the blowout patche correspondingly, two draw-in grooves cooperate fixing hole of formation, are equipped with bayonet lock in the fixing hole.
5, as claim 1 or 4 described a kind of wheel hub electric motor of electric vehicle, it is characterized in that: the outside is inlaid with magnet steel on the described bracing frame.
6, as claim 1 or 4 described a kind of wheel hub electric motor of electric vehicle, it is characterized in that: on described stator case and the corresponding position of Hall element, have a breach.
7, a kind of wheel hub electric motor of electric vehicle as claimed in claim 4, it is characterized in that: the end of described blowout patche is provided with fixing hole, have a Special-shaped bearing spacer to be fixed on the end of blowout patche by screw and with the one-way clutch positioning parts on blowout patche, outer rim at the Special-shaped bearing spacer is established spring fixed seat, on bracing frame, offer the containing cavity of spring fixed seat accordingly, have on the holder of a spring socket, the other end of spring holds in containing cavity.
8, as claim 1 or 4 described a kind of wheel hub electric motor of electric vehicle, it is characterized in that: described rotor outer rim place several dovetail grooves that evenly distribute, between two adjacent dovetail grooves, form the cross section and be fan-shaped projection, on fan-shaped projection, have the expansion groove, magnet steel is placed in each dovetail groove, is provided with expandable nail in the expansion groove and makes that magnet steel firmly is fixed in the dovetail groove.
9, a kind of wheel hub electric motor of electric vehicle as claimed in claim 7, it is characterized in that: the containing cavity of described spring fixed seat can be the bearing groove on the bracing frame, and the Special-shaped bearing in the bearing groove is got, and spring fixed seat and spring are placed in the bearing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620108810 CN200973051Y (en) | 2006-10-23 | 2006-10-23 | Hub dynamo of electric cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620108810 CN200973051Y (en) | 2006-10-23 | 2006-10-23 | Hub dynamo of electric cycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200973051Y true CN200973051Y (en) | 2007-11-07 |
Family
ID=38884302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620108810 Expired - Fee Related CN200973051Y (en) | 2006-10-23 | 2006-10-23 | Hub dynamo of electric cycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200973051Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106548971A (en) * | 2016-10-11 | 2017-03-29 | 武汉新芯集成电路制造有限公司 | A kind of chuck of wet method single chip washer platform |
-
2006
- 2006-10-23 CN CN 200620108810 patent/CN200973051Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106548971A (en) * | 2016-10-11 | 2017-03-29 | 武汉新芯集成电路制造有限公司 | A kind of chuck of wet method single chip washer platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071107 Termination date: 20101023 |