CN104883000A - Variable reduction ratio wheel hub motor for electric bicycle - Google Patents
Variable reduction ratio wheel hub motor for electric bicycle Download PDFInfo
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- CN104883000A CN104883000A CN201510268563.3A CN201510268563A CN104883000A CN 104883000 A CN104883000 A CN 104883000A CN 201510268563 A CN201510268563 A CN 201510268563A CN 104883000 A CN104883000 A CN 104883000A
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Abstract
The invention relates to a variable reduction ratio wheel hub motor for an electric bicycle. The variable reduction ratio wheel hub motor comprises an outer shell, a middle shell, a stator mount, a stator, a magnet, a planetary gear support bearing, first and second sun gears, first and second planetary gears, a planetary gear connection spline sleeve and a planetary gear back shaft. The variable reduction ratio wheel hub motor is characterized in that coaxially-arranged large and small reduction ratio output is of a flywheel structure; the flywheel structure comprises an outer ring, an inner ring, a ball and a jack sheet; the outer ring and the inner ring form a composite flywheel with radial dual-layer first and second flywheel structures through a middle fixing ring; the middle fixing ring is provided with a rectangular groove; and the rectangular groove is internally provided with a bidirectional jack control mechanism. The beneficial effects are that the bidirectional jack control mechanism is adopted; when the middle fixing ring is used as a driving link to do anticlockwise motions, the either-or situation of the motions in forward and backward direction is formed, so that the motion in a single direction is ensured while a free state is presented in the other direction; and the jack sheet is prevented from hooking ratchet teeth of the inner ring and the outer ring at the same time, so that a deceleration mechanism is prevented from being stuck.
Description
Technical field
The invention belongs to wheel hub motor, particularly relate to the wheel hub motor of the automobile-used variable deceleration ratio of a kind of electrical salf-walking.
Background technology
Existing electric bicycle hub motor is broadly divided into two large classes, and one is direct drive mode, and two is deceleration modes, and no matter its common ground of which kind of mode is fixing speed reducing ratio.Motor initial designs just only has an optimum efficiency rotating speed.If by being that optimum efficiency designs when running at high speed, low-speed performance is very poor, the climbing capacity that namely starts to walk is poor; If by being that optimum efficiency designs during starting climbing, poor performance of running at high speed, namely takes electricity.High speed characteristics and low-speed characteristic can only be accepted or rejected, and during design of electrical motor or in the main raising considering the flying power of electric bicycle, when therefore being run at high speed by design of electrical motor one-tenth, efficiency preferred plan designs, and is generally 20-25km/h.The disadvantage of existing electric bicycle is that starting and climbing capacity are very poor, must assist just passable by pedal when starting and climbing.If start to walk near motor or climb, because load is large, make motor generation resistance turn phenomenon, easy motor damage, and heavy-current discharge is to the injury of impacting property of storage battery, shortens service lifetime of accumulator.Above-mentioned shortcoming is the maximum unresolved problem of current electric bicycle industry.Number of patent application 201420402729.7 discloses the wheel hub motor of the automobile-used variable deceleration ratio of a kind of electrical salf-walking, comprise main shaft, shell, stator, rotor, it is characterized in that: pass through rotor supports bearings on the right side of described rotor on stator fixed mount, passing on left little speed reducing ratio output mono-directional overrun clutch is supported on left side wheels hub shell, described rotor and affixed with it two planet carriers are connected with planetary gear back shaft, on planetary gear back shaft, cover has the first row star-wheel, second planetary gear, planetary gear spring bearing, planetary gear connects spline housing, the first row star-wheel and the second planetary gear are supported on planetary gear back shaft by planetary gear spring bearing, the first row star-wheel, second planetary gear connects spline housing keyed jointing by planetary gear and is integrally formed, described first sun gear inner ring and main shaft keyed jointing, external tooth engages with the first row star-wheel, described second sun gear inner ring and the second sun gear export and overlap one end keyed jointing, external tooth engages with the second planetary gear, described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear export that to overlap the other end affixed, outer ring and left side wheels hub shell affixed, described rotor, planet carrier and first planet wheel power input module form not only in power input part but also in Power output portion, namely described planet carrier directly exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch is arranged at same Axial and radial.This kind of motor makes wheel hub motor can export the power of two kinds of different rotating speeds by a driving mechanism and two output mechanisms, solves the problem of electric bicycle starting ability and climbing capacity difference.Electric bicycle has normal fast running and low rate start two kinds of functions simultaneously, keeps battery performance to increase the service life.But, in use find that the output mono-directional overrun clutch that in motor, two covers are arranged with Axial and radial exists fatal technical problem.When install the electric bicycle of above-mentioned motor releases from garage need backward time, two output mono-directional overrun clutch all can participate in work, forward and reversely work simultaneously, cause reducing gear stuck, cannot work.Electric bicycle industry this fatal problem urgently to be resolved hurrily, expects commercially to apply.
Summary of the invention
The present invention is to overcome deficiency of the prior art, the wheel hub motor of the automobile-used variable deceleration ratio of a kind of electrical salf-walking is provided, be arranged on the mechanical speed change formula motor flywheel in motor, by a set of two-way very heavy controlling organization, avoid very heavy to catch on inside and outside circle hook tooth simultaneously, cause reducing gear stuck; Achieve again two kinds of power optionally propagation function.
The present invention for achieving the above object, be achieved through the following technical solutions, the wheel hub motor of the automobile-used variable deceleration ratio of a kind of electrical salf-walking, comprise right-hand wheel hub shell, left side wheels hub shell, right-hand wheel hub shell bearing, left side wheels hub shell bearing, middle casing, stator fixed mount, stator, several magnet, planetary gear spring bearing, first sun gear, the first row star-wheel, second sun gear, second planetary gear, planetary gear connects spline housing, planetary gear back shaft, main shaft and coil, rotor supports bearings is passed through on stator fixed mount on the right side of described rotor, it passes on left little speed reducing ratio output mono-directional overrun clutch and is supported on left side wheels hub shell, described rotor and affixed with it two planet carriers are connected with planetary gear back shaft, on planetary gear back shaft, cover has the first row star-wheel, second planetary gear, planetary gear spring bearing, planetary gear connects spline housing, the first row star-wheel and the second planetary gear are supported on planetary gear back shaft by planetary gear spring bearing, the first row star-wheel, second planetary gear connects spline housing keyed jointing by planetary gear and is integrally formed, described first sun gear inner ring and main shaft keyed jointing, external tooth engages with the first row star-wheel, described rotor, planet carrier and first planet wheel power input module form not only in power input part but also in Power output portion, namely described planet carrier directly exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch is arranged at same Axial and radial, it is characterized in that: with Axial and radial arrange large, it is mechanical speed change formula flywheel structure that little speed reducing ratio exports mono-directional overrun clutch, described mechanical speed change formula flywheel structure comprises outer ring, inner ring, ball and very heavy, described outer ring and inner ring form the composite structure flywheel of radial the first double-deck flywheel structure and the second flywheel structure by middle retainer plate, described middle retainer plate is provided with rectangular recess, described rectangular recess is built with two-way very heavy controlling organization, described two-way very heavy controlling organization comprises very heavy, back-moving spring and needle roller, described very heavy rear end face is provided with circular arc projection, described circular arc projection is mated with the arc groove on interior rectangular recess cell wall, jump ring steel wire is provided with in described very heavy excircle very heavy jump ring steel wire trough, described very heavy lower surface is provided with back-moving spring and needle roller successively, very heavy side surface of described two-way very heavy controlling organization is provided with the ladder concave station containing back-moving spring and needle roller, the S-shaped leaf spring of described back-moving spring shape, back-moving spring front end is embedded in the grooving of very heavy ladder concave station bottom surface, back-moving spring rear end lower surface and needle roller touch, described inner ring and the second sun gear affixed.
The internal diameter border, outer ring of described mechanical speed change formula flywheel structure is evenly equipped with hook tooth, and the external diameter border of inner ring is evenly equipped with hook tooth, described middle retainer plate respectively by double outer ring ball bearing inside outer ring and by double inner ring ball bearing outside inner ring, described middle retainer plate is connected in rolling with outer ring, inner ring, described middle retainer plate outer surface is bolted with outer ring side block circle, and described middle retainer plate inner surface is spirally connected inner ring side block circle.
Described magnet is fixed on stator outer ring by magnet support circle, described magnet support circle by bolt and planet carrier affixed.
Described the first row star-wheel and the second planetary gear are Contiuum type overall structure, and overall the first row star-wheel and the second planetary gear two ends are supported on planetary gear back shaft by planetary gear spring bearing.
Beneficial effect: compared with prior art, the present invention is on existing flywheel structure basis, very heavy mechanism is improved, form two-way very heavy controlling organization, when middle retainer plate is as driving link counterclockwise movement, form the alternative of positive and negative both direction motion, ensure unidirectional motion, other direction is free state.Avoid very heavy to catch on inside and outside circle hook tooth simultaneously, cause reducing gear stuck.Compact conformation volume is little, saves electric bicycle motor inner space.Solve electric bicycle motor inner space not enough, thus meet the designing requirement of mechanical speed change formula motor needs two transmission of power to same structure part.Under identical stator dimensions condition, magnet, by outside stator medial movement to stator, makes rotor torque strengthen, and is conducive to improving Driving Torque.
Accompanying drawing explanation
fig. 1it is structural representation of the present invention
figure;
fig. 2be
fig. 1the structural representation of middle mechanical speed change formula flywheel structure
figure;
fig. 3be
fig. 2longitudinal profile
figure;
fig. 4-1 is
fig. 3in very heavy illustrate with inner ring contact condition A-A section
figure;
fig. 4-2 are
fig. 3in very heavy with Internal and external cycle all not contact condition A-A section illustrate
figure;
fig. 4-3 are
fig. 3in very heavy illustrate with outer ring contact condition A-A section
figure.
in figure: 1, right-hand wheel hub shell, 1-1, left side wheels hub shell, 2, right-hand wheel hub shell bearing, 2-2, left side wheels hub shell bearing, 3, middle casing, 4, stator fixed mount, 5, stator, 6, Supporting Planetary Gears sleeve, 7, magnet, 8, planetary gear spring bearing, 9, first sun gear, 10, the first row star-wheel, 11, second sun gear, 12, second planetary gear, 13, magnet support circle, 14, magnet support circle set bolt, 15, planetary gear connects spline housing, and 16, planetary gear back shaft, 17, main shaft, 18, right side planet carrier, 18-1, left row carrier, 19, right side planet carrier spring bearing, 20, middle retainer plate, 20-1, middle retainer plate jump ring steel wire trough, 21, outer ring, 22, middle retainer plate set bolt, 23, inner ring, 24, second sun gear set bolt, 25, right-hand wheel hub shell set bolt, 25-1, left side wheels hub shell set bolt, 26, coil, 27, oil filler point, 28, external flywheel, 29, brake disc, 30, planet carrier set bolt, 31, outer ring ball, 32, inner ring ball, 33, inner ring hook tooth, 34, outer ring hook tooth, 35, very heavy, 35-1, grooving fixed by leaf spring, 35-2, very heavy jump ring steel wire trough, 36, jump ring steel wire, 37, leaf spring, 38, needle roller, 39, middle retainer plate screwed hole, 40, outer ring connecting hole, 41, inner ring connecting hole, 42, outer ring side block circle, 43, inner ring side block circle, 44, rectangular recess.
Embodiment
Below in conjunction with preferred embodiment, to according to embodiment provided by the invention, details are as follows: embodiment
Refer to
accompanying drawing 1, 2, 3, present embodiments provide the wheel hub motor of the automobile-used variable deceleration ratio of a kind of electrical salf-walking, comprise right-hand wheel hub shell 1, left side wheels hub shell 1-1, right-hand wheel hub shell bearing 2, left side wheels hub shell bearing 2-2, middle casing 3, stator fixed mount 4, stator 5, several magnet 7, planetary gear spring bearing 8, first sun gear 9, the first row star-wheel 10, second sun gear 11, second planetary gear 12, planetary gear connects spline housing 15, planetary gear back shaft 16, main shaft 17, left, right side planet carrier 18-1, 18 and coil 26, right-hand wheel hub shell is connected with external flywheel 28, left side wheels hub shell is connected with brake disc 29, right-hand wheel hub shell 1, left side wheels hub shell 1-1 is respectively by right-hand wheel hub shell set bolt 25, left side wheels hub shell set bolt 25-1 and middle casing 3 affixed in overall, rotor supports bearings is passed through on stator fixed mount 4 on the right side of described rotor, it passes on left little speed reducing ratio output mono-directional overrun clutch and is supported on left side wheels hub shell, described rotor and affixed with it two planet carriers are connected with planetary gear back shaft 16, and on planetary gear back shaft, cover has the first row star-wheel 10, second planetary gear 11, planetary gear spring bearing 8, planetary gear connects spline housing 15, and the first row star-wheel and the second planetary gear are supported on planetary gear back shaft by planetary gear spring bearing, the first row star-wheel, second planetary gear connects spline housing keyed jointing by planetary gear and is integrally formed, described first sun gear inner ring and main shaft keyed jointing, external tooth engages with the first row star-wheel, described rotor, planet carrier and first planet wheel power input module form not only in power input part but also in Power output portion, namely described planet carrier directly exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, with Axial and radial arrange large, it is mechanical speed change formula flywheel structure that little speed reducing ratio exports mono-directional overrun clutch, and described mechanical speed change formula flywheel structure comprises outer ring 21, inner ring 23, ball and very heavy 35, described outer ring and inner ring form the composite structure flywheel of radial the first double-deck flywheel structure and the second flywheel structure by middle retainer plate 20, the internal diameter border of described outer ring is evenly equipped with outer ring hook tooth 34, the external diameter border of described inner ring is evenly equipped with inner ring hook tooth 33, described middle retainer plate is bearing in inside outer ring respectively by double outer ring ball 31 and is bearing in outside inner ring by double inner ring ball 32, described middle retainer plate and outer ring, inner ring connects in rolling, and described middle retainer plate outer surface is bolted with outer ring side block circle 42, and described middle retainer plate inner surface is spirally connected inner ring side block circle 43.Described middle retainer plate is provided with rectangular recess 44, described rectangular recess is built with two-way very heavy controlling organization, described two-way very heavy controlling organization comprises very heavy 35, back-moving spring and needle roller, described very heavy rear end face is provided with circular arc projection, described circular arc projection is mated with the arc groove on interior rectangular recess cell wall, jump ring steel wire 36 is provided with in very heavy jump ring steel wire trough 35-2 of described very heavy excircle, the part of described jump ring steel wire except being stuck in very heavy jump ring steel wire trough is placed in middle retainer plate jump ring steel wire trough 20-1, described very heavy lower surface is provided with back-moving spring and needle roller successively, very heavy side surface of described two-way very heavy controlling organization is provided with the ladder concave station containing back-moving spring and needle roller, the S-shaped leaf spring 37 of described back-moving spring shape, the leaf spring that leaf spring front end is embedded in very heavy ladder concave station bottom surface is fixed in grooving 35-1, leaf spring rear end lower surface and needle roller 38 touch, clockwise or the roll counter-clockwise by needle roller, and jump ring steel wire and leaf spring synergy, when middle retainer plate is as driving link counterclockwise movement, flywheel realizes the alternative of positive and negative both direction motion, ensure unidirectional motion, other direction is free state.Avoid very heavy to catch on inside and outside circle hook tooth simultaneously, cause reducing gear stuck.Described inner ring 23 by the second sun gear set bolt 24 and the second sun gear 11 affixed
The preferred version of the present embodiment is, described magnet 7 is fixed on stator outer ring by magnet support circle, and described magnet support circle 13 is affixed with left row carrier 18-1 by magnet support circle bolt 14.Right side planet carrier 18 is provided with right side planet carrier spring bearing 19, magnet support circle 13, outer ring 21 and Supporting Planetary Gears sleeve 6 are affixed with left row carrier 18-1 by magnet support circle bolt 14 successively; And right side planet carrier 18 is also affixed with left row carrier by planet carrier set bolt 30.
The preferred version of the present embodiment is, described the first row star-wheel and the second planetary gear are Contiuum type overall structure, overall the first row star-wheel and the second planetary gear two ends are supported on planetary gear back shaft by planetary gear spring bearing, the first row star-wheel and the second planetary gear are prefabricated into Contiuum type overall structure, eliminate the spline housing with planetary gear keyed jointing, both can reduce the production cost of planetary gear, the machining accuracy of gear can have been improved again.
The described alignment of shafts arranges oil filler point 27, is entered in the space be made up of left and right sides planet carrier and Supporting Planetary Gears sleeve by the lubricating oil of oil filler point.
During installation, middle retainer plate loads onto very heavy and needle roller, middle retainer plate is loaded onto an exclusive circle ball, after being supported outer ring, then installed by exclusive for remainder one circle ball, spin outer ring side block circle, is assembled into the first flywheel structure; The second flywheel structure can be assembled with this order.Middle retainer plate is connected with wheel hub by middle retainer plate screwed hole 39 and middle retainer plate set bolt 22.Inner ring is connected power source with outer ring separately respectively by inner ring connecting hole 41, outer ring connecting hole 40, two power source rotation directions are contrary all the time, when outer ring clockwise direction rotates by transmission of power on middle retainer plate, inner ring is then rotated counterclockwise not transferring power.When inner ring clockwise direction rotates by transmission of power on middle retainer plate, outer ring is then rotated counterclockwise not transferring power.Inner ring and outer ring only have a power source to be delivered on middle retainer plate all the time.
The course of work:
The rotary power of rotor is exported by two kinds of paths, and a little speed reducing ratio forward directly exported for rotor exports, and another is that the big retarding ratio exported through differential planet gear reducing gear oppositely exports.When rotor rotates, rotor motion power is delivered to first, second planetary gear by planet carrier, two planetary gears rotate around first, second sun gear separately, and because two planetary gears are integrated, therefore the characteristics of motion of two planetary gears is identical.Two sun gears are identical with two planetary gear moduluses, be 1.5, first sun gear number of teeth Z1=25, first planet tooth number Z2=16, second sun gear number of teeth Z4=21, the second planetary gear number of teeth Z3=20, because the first sun gear is fixing, the power be delivered on planetary gear is exported by the second sun gear, and Power output speed reducing ratio and turning to by sun gear and the incompatible decision of planetary gear array.Second sun gear export speed reducing ratio be: i2=1/ [1-(Z1*Z3)/(Z2*Z4)]=-2.0, for big retarding ratio and turn to turn to rotor contrary.The power outputting to the second sun gear exports cover by the second sun gear and is delivered to big retarding specific output flywheel inner ring.Rotor is directly output as little speed reducing ratio forward and exports, and directly outputs to little speed reducing ratio and exports flywheel outer ring.Two flywheel power direction of transfer are identical.Turn to identical with wheel hub when rotor turns to, when namely rotor rotates forward, little speed reducing ratio exports flywheel by planet carrier transmission of power to taking turns hub shell, and the second sun gear reversion, therefore big retarding specific output flywheel not transferring power is now little speed reducing ratio transmission, for the situation of running at high speed.When rotor turn to turn to wheel hub contrary, namely rotor reversion time, second sun gear rotate forward, therefore big retarding specific output flywheel by transmission of power to wheel hub shell, and planet carrier reversion, therefore little speed reducing ratio exports flywheel not transferring power, be now big retarding than transmission, for situation about starting to walk and climb.
Very heavy side surface of the two-way very heavy controlling organization of the present embodiment is provided with the ladder concave station containing back-moving spring and needle roller, the leaf spring 10 that described back-moving spring shape is S-shaped, the leaf spring that leaf spring front end is embedded in very heavy ladder concave station bottom surface is fixed in grooving 35-1, and leaf spring rear end lower surface and needle roller 11 touch.Two-way very heavy controlling organization can also adopt following structure (not have
accompanying drawing): comprise very heavy, very heavy upside ball, very heavy downside ball and ball spring, described very heavy rear end radial direction is provided with circular hole, very heavy upside ball, ball spring and very heavy downside ball is placed successively in described circular hole, or carbine shape is Z-shaped, carbine front end is embedded in the grooving of very heavy upper surface, and its rear end and inner ring hook tooth surface touch.
accompanying drawing 4shown in-1, when needle roller is positioned at very heavy lower right, leaf spring deflection little upwards jack-up elastic force is less than jump ring steel wire and tightens power, very heavy test and inner ring detent contact under jump ring steel wire tightens the effect of power.
fig. 4shown in-2, when inner ring is rotated counterclockwise, needle roller to roll left movement under inner ring drives, because left side large on the right side of gap between leaf spring and inner ring outer surface is little, needle roller is moved to the left then leaf spring decrement and strengthens, and when needle roller is positioned at immediately below very heavy, leaf spring upwards jack-up elastic force overcomes jump ring steel wire and tightens power, by very heavy jack-up, be separated with inner ring ratchet.
fig. 4shown in-3, when inner ring continues to be rotated counterclockwise, needle roller rolls left and moves to extreme position under inner ring drives, now between leaf spring and inner ring outer surface, gap is minimum, leaf spring decrement is maximum, leaf spring upwards jack-up elastic force overcomes jump ring steel wire and tightens power, by very heavy complete jack-up, with outer ring detent contact.
Above-mentioned detailed description of carrying out with reference to the wheel hub motor of embodiment to the automobile-used variable deceleration ratio of this kind of electrical salf-walking; illustrative instead of determinate; several embodiments can be listed according to institute's limited range; therefore in the change do not departed under general plotting of the present invention and amendment, should belong within protection scope of the present invention.
Claims (4)
1. the wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking, comprise right-hand wheel hub shell, left side wheels hub shell, right-hand wheel hub shell bearing, left side wheels hub shell bearing, middle casing, stator fixed mount, stator, several magnet, planetary gear spring bearing, first sun gear, the first row star-wheel, second sun gear, second planetary gear, planetary gear connects spline housing, planetary gear back shaft, main shaft and coil, rotor supports bearings is passed through on stator fixed mount on the right side of described rotor, it passes on left little speed reducing ratio output mono-directional overrun clutch and is supported on left side wheels hub shell, described rotor and affixed with it two planet carriers are connected with planetary gear back shaft, on planetary gear back shaft, cover has the first row star-wheel, second planetary gear, planetary gear spring bearing, planetary gear connects spline housing, the first row star-wheel and the second planetary gear are supported on planetary gear back shaft by planetary gear spring bearing, the first row star-wheel, second planetary gear connects spline housing keyed jointing by planetary gear and is integrally formed, described first sun gear inner ring and main shaft keyed jointing, external tooth engages with the first row star-wheel, described rotor, planet carrier and first planet wheel power input module form not only in power input part but also in Power output portion, namely described planet carrier directly exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch is arranged at same Axial and radial, it is characterized in that: with Axial and radial arrange large, it is mechanical speed change formula flywheel structure that little speed reducing ratio exports mono-directional overrun clutch, described mechanical speed change formula flywheel structure comprises outer ring, inner ring, ball and very heavy, described outer ring and inner ring form the composite structure flywheel of radial the first double-deck flywheel structure and the second flywheel structure by middle retainer plate, described middle retainer plate is provided with rectangular recess, described rectangular recess is built with two-way very heavy controlling organization, described two-way very heavy controlling organization comprises very heavy, back-moving spring and needle roller, described very heavy rear end face is provided with circular arc projection, described circular arc projection is mated with the arc groove on interior rectangular recess cell wall, jump ring steel wire is provided with in described very heavy excircle very heavy jump ring steel wire trough, described very heavy lower surface is provided with back-moving spring and needle roller successively, very heavy side surface of described two-way very heavy controlling organization is provided with the ladder concave station containing back-moving spring and needle roller, the S-shaped leaf spring of described back-moving spring shape, back-moving spring front end is embedded in the grooving of very heavy ladder concave station bottom surface, back-moving spring rear end lower surface and needle roller touch, described inner ring and the second sun gear affixed.
2. the wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking according to claim 1, it is characterized in that: the internal diameter border, outer ring of described mechanical speed change formula flywheel structure is evenly equipped with hook tooth, and the external diameter border of inner ring is evenly equipped with hook tooth, described middle retainer plate respectively by double outer ring ball bearing inside outer ring and by double inner ring ball bearing outside inner ring, described middle retainer plate is connected in rolling with outer ring, inner ring, described middle retainer plate outer surface is bolted with outer ring side block circle, and described middle retainer plate inner surface is spirally connected inner ring side block circle.
3. the wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking according to claim 1, is characterized in that: described magnet is fixed on stator outer ring by magnet support circle, described magnet support circle by bolt and planet carrier affixed.
4. the wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking according to claim 1, it is characterized in that: described the first row star-wheel and the second planetary gear are Contiuum type overall structure, overall the first row star-wheel and the second planetary gear two ends are supported on planetary gear back shaft by planetary gear spring bearing.
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| CN201510268563.3A CN104883000B (en) | 2015-05-25 | 2015-05-25 | The automobile-used variable deceleration of electrical salf-walking than wheel hub motor |
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| CN201510268563.3A CN104883000B (en) | 2015-05-25 | 2015-05-25 | The automobile-used variable deceleration of electrical salf-walking than wheel hub motor |
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| CN104883000B CN104883000B (en) | 2017-06-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107878664A (en) * | 2017-12-13 | 2018-04-06 | 天津迪思科博科技发展有限公司 | Through shaft type miniature hub motor of electric bicycle |
| CN110815288A (en) * | 2018-08-09 | 2020-02-21 | 达明机器人股份有限公司 | Brake device of robot arm |
| TWI795237B (en) * | 2022-03-16 | 2023-03-01 | 智盟能源股份有限公司 | Flexible clutch transmission mechanism |
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| CN102638126A (en) * | 2012-03-30 | 2012-08-15 | 张宏艳 | Hub motor |
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| CN204794550U (en) * | 2015-05-25 | 2015-11-18 | 严振华 | Variable -reduction -ratio hub motor for electric bicycle |
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| CN107878664A (en) * | 2017-12-13 | 2018-04-06 | 天津迪思科博科技发展有限公司 | Through shaft type miniature hub motor of electric bicycle |
| CN107878664B (en) * | 2017-12-13 | 2024-02-27 | 杭州摩兽出行科技有限公司 | Through shaft type miniature hub motor of electric bicycle |
| CN110815288A (en) * | 2018-08-09 | 2020-02-21 | 达明机器人股份有限公司 | Brake device of robot arm |
| CN110815288B (en) * | 2018-08-09 | 2022-06-21 | 达明机器人股份有限公司 | Brake device of robot arm |
| TWI795237B (en) * | 2022-03-16 | 2023-03-01 | 智盟能源股份有限公司 | Flexible clutch transmission mechanism |
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