CN103219826B - Automatic clutching device of direct-current speed changing motor - Google Patents
Automatic clutching device of direct-current speed changing motor Download PDFInfo
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- CN103219826B CN103219826B CN201310153905.8A CN201310153905A CN103219826B CN 103219826 B CN103219826 B CN 103219826B CN 201310153905 A CN201310153905 A CN 201310153905A CN 103219826 B CN103219826 B CN 103219826B
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Abstract
The invention discloses an automatic clutching device of a direct-current speed changing motor. The automatic clutching device comprises a main shaft, a motor stator (1), a stator coil (2), rotor magnetic steels (3), a rotor shell (18), a central shaft sleeve (27), high-low-speed central gears (11 and 25) and an automatic clutching mechanism, wherein the central shaft sleeve (27) is arranged on a main shaft (12); the rotor shell (18) is fixedly connected with the central shaft sleeve (27); the rotor magnetic steels (3) are uniformly distributed on the rotor shell (18); the high-low-speed central gears (11 and 25) are arranged at the two sides of the main shaft (12); an isolator seat (22) is fixed at the end surface of the rotor shell (18) and is provided with an isolator (23); the inner ring of the isolator (23) is matched with the low-speed central gear (25); and rotor shell (18) is matched with the high-speed central gear (11) by the automatic clutching mechanism. After the structure is adopted, the automatic clutching device disclosed by the invention has the advantages of simple and reasonable structure, convenience in operation and use, large transmission torque, long service life, good commonality, automatic clutching speed change and the like.
Description
Technical field
The invention relates to a kind of DC brushless motor, particularly a kind of DC speed-changing motor automatic clutch device that can export friction speed according to rotation speed change.
Background technology
Electric motor car can be divided into electric bicycle, battery-operated motor cycle, electro-tricycle and electronic vapour by type, electric motor car is as green rising industry, 10 years are had at Chinese development, due to energy-conserving and environment-protective, simple to operate, easy to use, operating cost is low, the dark favor by medium or low-income stratum, have also been obtained the great attention of governments at all levels, Chinese electric motor car market kept great-leap-forward to increase always in recent years simultaneously, electric motor car enters fast-developing passage, and the situation that supply falls short of demand has appearred in wheel hub motor.
The wheel hub motor that current electric motor car uses generally adopts DC brushless motor, drives hub rotation by DC brushless motor, realizes the object that electric motor car is ridden, and this mode configuration is simple, control is convenient.But in actual use, electric motor car is different to its requirement of different road conditions, when running normally, requires that direct current brushless motor speed is fast, output torque is little; When start, climbing or heavy load time, require that direct current brushless motor speed is slow, output torque is large.
The subject matter that existing DC brushless motor exists has: one is because motor designs by normal running (operation) conditions, output torque cannot be changed under the condition that power of motor is constant, therefore, start, climbing and heavy load time usually make motor be in abnormal condition under operate, force motor to work in inefficient district, cause motor rotation blockage, heating, even stop operating, cause the vitals such as motor, storage battery, controller to be impacted, shorten the life-span; Two is that climbing capacity and overload capacity are poor, accommodation is little, operational efficiency is low, mileages of continuation is short.For this reason, many manufacturers and knowledgeable people have carried out fruitfully R and D, but not yet have rational product to emerge so far.
Summary of the invention
In order to overcome the above-mentioned disadvantage that existing electric vehicle DC brush-less motor exists, the object of the invention be to provide a kind of simple and reasonable, easy for operation, driving torque large, long service life, versatility are good, the DC speed-changing motor automatic clutch device of automatic clutch speed change.
The invention solves the problems of the technologies described above adopted technical scheme, it comprises main shaft, motor stator, stator coil, rotor magnetic steel, rotor case, central axle sleeve, high low speed central gear, automatic clutch mechanism, described central axle sleeve is arranged on main shaft rotationally, rotor case is fixedly connected with central axle sleeve, rotor magnetic steel is distributed on rotor case, high, low speed central gear is arranged on the both sides of main shaft rotationally, the end face of rotor case is fixed with isolator seat, isolator seat is provided with isolator, isolator inner ring coordinates with low speed central gear, rotor case is coordinated with high-speed central gear by automatic clutch mechanism.
Described automatic clutch mechanism comprises centrifugal seat, centrifugal ball, female connector, outconnector, back-moving spring, cover plate, centrifugal seat is fixedly connected with rotor case, centrifugal ball is arranged on the spherical guide of centrifugal seat, outconnector to be arranged on rotationally on central axle sleeve and with high-speed central gears meshing, female connector can axially movably be arranged on the chute of centrifugal seat, cover plate is fixed in centrifugal seat, back-moving spring is distributed between cover plate and female connector outer ring, outer ring is evenly equipped with spring base to outconnector, spring base is provided with and promotes spring and telescopic clutch lock pin, female connector is provided with the clutch lockhole matched with clutch lock pin.
Described automatic clutch mechanism comprises centrifugal seat, positioning sleeve, centrifugal-block, female connector, outconnector, back-moving spring, cover plate, centrifugal seat is fixedly connected with rotor case with positioning sleeve, multiple centrifugal-block to be evenly hinged on positioning sleeve and to coordinate with female connector end face, outconnector to be arranged on rotationally on central axle sleeve and with high-speed central gears meshing, female connector can axially movably be arranged on the chute of centrifugal seat, cover plate is fixed in centrifugal seat, back-moving spring is distributed between cover plate and female connector outer ring, outer ring is evenly equipped with spring base to outconnector, spring base is provided with and promotes spring and telescopic clutch lock pin, female connector is provided with the clutch lockhole matched with clutch lock pin.
Described automatic clutch mechanism comprises centrifugal seat, centrifugal ball, female connector, outconnector, back-moving spring, cover plate, centrifugal seat is fixedly connected with rotor case, centrifugal ball is arranged on the spherical guide of centrifugal seat, outconnector to be arranged on rotationally on central axle sleeve and with high-speed central gears meshing, female connector can axially movably be arranged on the chute of centrifugal seat, cover plate is fixed in centrifugal seat, back-moving spring is distributed between cover plate and female connector outer ring, outconnector outer ring is evenly equipped with outer connection tooth, female connector is provided with and can be connected the intermeshing interior connection tooth of tooth with outer.
Described automatic clutch mechanism comprises centrifugal seat, positioning sleeve, centrifugal-block, female connector, outconnector, back-moving spring, cover plate, centrifugal seat is fixedly connected with rotor case with positioning sleeve, multiple centrifugal-block to be evenly hinged on positioning sleeve and to coordinate with female connector end face, outconnector to be arranged on rotationally on central axle sleeve and with high-speed central gears meshing, female connector can axially movably be arranged on the chute of centrifugal seat, cover plate is fixed in centrifugal seat, back-moving spring is distributed between cover plate and female connector outer ring, outconnector outer ring is evenly equipped with outer connection tooth, female connector is provided with and can be connected the intermeshing interior connection tooth of tooth with outer.
Described centrifugal seat is provided with the positioning sleeve centrifugal ball being played to positioning action.
Two uniform lazy-tongs are at least provided with between described cover plate and outconnector.
The outconnector magnetic patch that described lazy-tongs comprise fixing cover plate magnetic patch on the cover board and are fixed on outconnector, cover plate magnetic patch and outconnector magnetic patch magnetic attracting.
Described lazy-tongs comprise setting spring on the cover board and ball, and are arranged on the groove matched on outconnector and with ball.
After adopting said structure, have the following advantages compared with the prior art and effect:
One is be arranged in rotor case by automatic clutch mechanism to be combined into one, after rotor work, automatic clutch mechanism is with regard to automatic operation, automatically automatic clutch mechanism clutch is controlled in the process of moving by motor speed, realize the automatic conversion that high, low speed central gear exports, export different speed and moment of torsion, make motor can steady operation in different road conditions, effectively improve climbing capacity, overload capacity and mileages of continuation.
Two be when motor speed from low speed to high speed time, centrifugal ball or centrifugal-block clutch produce motive force, and promote female connector and be combined with outconnector and drive high-speed central gear rotary work, low speed central gear dallies under isolator effect, and high-speed central gear exports low moment of torsion, high rotating speed; When motor speed is from during at a high speed to low speed, because centrifugal ball or centrifugal-block centrifugal force reduce, female connector is under the thrust of back-moving spring, female connector is separated automatically with outconnector, outconnector runs out of steam, output that high-speed central gear is unpowered, and low speed central gear exports high moment of torsion, the slow-speed of revolution under isolator effect, thus complete from the automatic conversion at a high speed to low speed, simple and reasonable, driving torque is large, and required precision is low, long service life, versatility is good.
Three is owing at least arranging lazy-tongs between cover plate and outconnector, can ensure female connector and outconnector automatic clutch mechanism in conjunction with time accurately and reliably.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of innovation and creation.
Fig. 2 is the structural representation of innovation and creation the second embodiment.
Fig. 3 is the structural representation of the third embodiment of innovation and creation.
Fig. 4 is the structural representation of innovation and creation the 4th kind of embodiment.
Wherein 1 motor stator, 2 stator coils, 3 rotor magnetic steels, 4 lazy-tongs, 5 back-moving springs, 6 cover plates, 7 clutch lock pins, 8 clutch lockholes, 9 spring bases, 10 outconnectors, 11 high-speed central gears, 12 main shafts, 13 clutch shaft bearings, 14 second bearings, 15 the 3rd bearings, 16 promote spring, 17 female connectors, 18 rotor cases, 19 centrifugal seat, 20 centrifugal balls, 21 positioning sleeves, 22 isolator seats, 23 isolators, 24 the 4th bearings, 25 low speed central gears, 26 the 5th bearings, 27 central axle sleeves, 28 centrifugal-blocks, connect tooth outside 29, connect tooth in 30.
Embodiment
Shown in Fig. 1, for the first embodiment of a kind of DC speed-changing motor of the invention automatic clutch device, it comprises main shaft 12, motor stator 1, stator coil 2, rotor magnetic steel 3, rotor case 18, central axle sleeve 27, high low speed central gear 11, 25, automatic clutch mechanism, described central axle sleeve 27 is arranged on main shaft 12 by the second bearing 14 and the 4th bearing 24 rotationally, rotor case 18 is fixedly connected with central axle sleeve 27, rotor magnetic steel 3 is distributed on rotor case 18, high, low speed central gear 11, 25 correspondences are arranged on the both sides of main shaft 12 rotationally by clutch shaft bearing 13 and the 5th bearing 26, the end face of rotor case 18 is fixed with isolator seat 22, isolator seat 22 is provided with isolator 23, isolator 23 inner ring coordinates with low speed central gear 25, rotor case 18 is coordinated with high-speed central gear 11 by automatic clutch mechanism.Described automatic clutch mechanism comprises centrifugal seat 19, centrifugal ball 20, female connector 17, outconnector 10, back-moving spring 5, cover plate 6, centrifugal seat 19 and rotor case 18 are connected as a single entity, centrifugal ball 20 is arranged on the spherical guide of centrifugal seat 19, outconnector 10 to be arranged on rotationally on central axle sleeve 27 by the 3rd bearing 15 and to engage with high-speed central gear 11, female connector 17 can axially movably be arranged on the chute of centrifugal seat 19, cover plate 6 is fixed in centrifugal seat 19, back-moving spring 5 is distributed between cover plate 6 and female connector 17 outer ring, outer ring is evenly equipped with spring base 9 to outconnector 10, spring base 9 is provided with and promotes spring 16 and telescopic clutch lock pin 7, female connector 17 is provided with the clutch lockhole 8 matched with clutch lock pin 7.Described centrifugal seat 19 is provided with the positioning sleeve 21 centrifugal ball 20 being played to positioning action.
In order to ensure that automatic clutch mechanism combines fast, accurately, between described cover plate 6 and outconnector 10, be at least provided with two uniform lazy-tongs 4.Described lazy-tongs 4 can be the outconnector magnetic patch being fixed on cover plate magnetic patch on cover plate 6 and being fixed on outconnector 10, cover plate magnetic patch and outconnector magnetic patch magnetic attracting.Certainly described lazy-tongs 4 can also be arranged on spring on cover plate 6 and ball, and are arranged on the groove matched on outconnector 10 and with ball.
Below first embodiment of the invention is further described, each stator coil 2 that brushless controller controls motor stator 1 works in order, and in air gap, produce effective great-jump-forward rotating magnetic field, rotor magnetic steel 3 operates continuously along fixed-direction rotor driven under being subject to the effect of rotary magnetic field in air gap, now according to the voltage pulse width that controller provides, rotation from low to fast.When low cruise, cover plate 6, female connector 17 and centrifugal seat 19 and centrifugal ball 20 are with rotor case synchronous axial system, now the centrifugal force of centrifugal ball 20 generation is little, the elastic force that cannot overcome back-moving spring 5 goes to promote female connector 17, female connector 17 and outconnector 10 are in released state, the idle running under lazy-tongs 4 drive of outconnector 10 and high-speed central gear 11, now, rotor case 18 drives low speed central gear 25 to rotate under the effect of isolator 23, exports the slow-speed of revolution, high moment of torsion.Along with the lifting of speed, the centrifugal force of centrifugal ball 20 constantly increases, when centrifugal force reaches the elastic force that can overcome back-moving spring 5, centrifugal ball 20 promotes female connector 17 and moves, the clutch lockhole 8 of telescopic clutch lock pin 7 accurately on female connector 17 on outconnector 10 is combined, female connector 17 drives outconnector 10 to rotate, and outconnector 10 drives high-speed central gear 11 to rotate.Now high-speed central gear 11 velocity of rotation has surmounted low speed central gear 25 velocity of rotation, and isolator 23 relative low speeds central gear 25 dallies, thus realizes low speed to automatic conversion at a high speed.
When motor rotor speed declines, the centrifugal force of centrifugal ball 20 also can along with decline, and female connector 17 makes centrifugal-block 6 be separated with outconnector 10 under the elastic force of back-moving spring 5 promotes, and outconnector 10 runs out of steam, and high-speed central gear 11 does not have Power output.Now, isolator 23 is combined with low speed central gear 25 again, and rotor drives low speed central gear 25 to operate under the effect of isolator 23, thus realizes at a high speed to the automatic conversion of low speed.
Shown in Fig. 2, for the second embodiment of a kind of automatic clutch DC brushless motor of the invention, automatic clutch mechanism with the first embodiment difference, described automatic clutch mechanism comprises centrifugal seat 19, positioning sleeve 21, centrifugal-block 28, female connector 17, outconnector 10, back-moving spring 5, cover plate 6, centrifugal seat 19 and positioning sleeve 21 are connected as a single entity with rotor case 18, multiple centrifugal-block 28 to be evenly hinged on positioning sleeve 21 and to coordinate with female connector 17 end face, outconnector 10 to be arranged on rotationally on central axle sleeve 27 by the 3rd bearing 15 and to engage with high-speed central gear 11, female connector 17 can axially movably be arranged on the chute of centrifugal seat 28, cover plate 6 is fixed in centrifugal seat 19, back-moving spring 5 is distributed between cover plate 6 and female connector 17 outer ring, outer ring is evenly equipped with spring base 9 to outconnector 10, spring base 9 is provided with and promotes spring 16 and telescopic clutch lock pin 7, female connector 17 is provided with the clutch lockhole 8 matched with clutch lock pin 7.Two uniform lazy-tongs 4 are at least provided with between described cover plate 6 and outconnector 10.Described lazy-tongs 4 can be the outconnector magnetic patch being fixed on cover plate magnetic patch on cover plate 6 and being fixed on outconnector 10, cover plate magnetic patch and outconnector magnetic patch magnetic attracting.Certainly described lazy-tongs 4 can also be arranged on spring on cover plate 6 and ball, and are arranged on the groove matched on outconnector 10 and with ball.The operation principle of the present embodiment is substantially identical with the first embodiment, no longer repeats at this.
Shown in Fig. 3, for the third embodiment of a kind of automatic clutch DC brushless motor of the invention, automatic clutch mechanism with the first embodiment difference, described automatic clutch mechanism comprises centrifugal seat 19, centrifugal ball 20, female connector 17, outconnector 10, back-moving spring 5, cover plate 6, centrifugal seat 19 and rotor case 18 are connected as a single entity, centrifugal ball 20 is arranged on the spherical guide of centrifugal seat 19, outconnector 10 to be arranged on rotationally on central axle sleeve 27 by the 3rd bearing 15 and to engage with high-speed central gear 11, female connector 17 can axially movably be arranged on the chute of centrifugal seat 19, cover plate 6 is fixed in centrifugal seat 19, back-moving spring 5 is distributed between cover plate 6 and female connector 17 outer ring, outconnector 10 outer ring is evenly equipped with outer connection tooth 29, female connector 17 is provided with and can be connected the intermeshing interior connection tooth 30 of tooth 29 with outer.Described centrifugal seat 19 is provided with the positioning sleeve 21 centrifugal ball 20 being played to positioning action.Two uniform lazy-tongs 4 are at least provided with between described cover plate 6 and outconnector 10.Described lazy-tongs 4 can be the outconnector magnetic patch being fixed on cover plate magnetic patch on cover plate 6 and being fixed on outconnector 10, cover plate magnetic patch and outconnector magnetic patch magnetic attracting.Certainly described lazy-tongs 4 can also be arranged on spring on cover plate 6 and ball, and are arranged on the groove matched on outconnector 10 and with ball.The operation principle of the present embodiment is substantially identical with the first embodiment, no longer repeats at this.
Shown in Fig. 4, for the 4th kind of embodiment of a kind of automatic clutch DC brushless motor of the invention, automatic clutch mechanism with the first embodiment difference, described automatic clutch mechanism comprises centrifugal seat 19, positioning sleeve 21, centrifugal-block 28, female connector 17, outconnector 10, back-moving spring 5, cover plate 6, centrifugal seat 19 and positioning sleeve 21 are connected as a single entity with rotor case 18, multiple centrifugal-block 28 to be evenly hinged on positioning sleeve 21 and to coordinate with female connector 17 end face, outconnector 10 to be arranged on rotationally on central axle sleeve 27 and to engage with high-speed central gear 11, female connector 17 can axially movably be arranged on the chute of centrifugal seat 19, cover plate 6 is fixed in centrifugal seat 19, back-moving spring 5 is distributed between cover plate 6 and female connector outer ring 17, outconnector 10 outer ring is evenly equipped with outer connection tooth 29, female connector 17 is provided with and can be connected the intermeshing interior connection tooth 30 of tooth 29 with outer.Two uniform lazy-tongs 4 are at least provided with between described cover plate 6 and outconnector 10.Described lazy-tongs 4 can be the outconnector magnetic patch being fixed on cover plate magnetic patch on cover plate 6 and being fixed on outconnector 10, cover plate magnetic patch and outconnector magnetic patch magnetic attracting.Certainly described lazy-tongs 4 can also be arranged on spring on cover plate 6 and ball, and are arranged on the groove matched on outconnector 10 and with ball.The operation principle of the present embodiment is substantially identical with the first embodiment, no longer repeats at this.
The above; just four embodiments of the invention, not make any pro forma restriction, on the technical scheme basis not departing from the invention to the invention; done simple modification, equivalent variations or modification, all fall into the protection range of the invention.
Claims (4)
1. a DC speed-changing motor automatic clutch device, comprise main shaft (12), motor stator (1), stator coil (2), rotor magnetic steel (3), rotor case (18), central axle sleeve (27), high, low speed central gear (11, 25), automatic clutch mechanism, it is characterized in that: described central axle sleeve (27) is arranged on main shaft (12) rotationally, rotor case (18) is fixedly connected with central axle sleeve (27), rotor magnetic steel (3) is distributed on rotor case (18), high, low speed central gear (11, 25) both sides of main shaft (12) are arranged on rotationally, the end face of rotor case (18) is fixed with isolator seat (22), isolator seat (22) is provided with isolator (23), isolator (23) inner ring coordinates with low speed central gear (25), rotor case (18) is coordinated with high-speed central gear (11) by automatic clutch mechanism, described automatic clutch mechanism comprises centrifugal seat (19), centrifugal ball (20), female connector (17), outconnector (10), back-moving spring (5), cover plate (6), centrifugal seat (19) is fixedly connected with rotor case (18), centrifugal ball (20) is arranged on the spherical guide of centrifugal seat (19), outconnector (10) is arranged on central axle sleeve (27) rotationally and goes up and engage with high-speed central gear (11), female connector (17) can axially movably be arranged on the chute of centrifugal seat (19), cover plate (6) is fixed in centrifugal seat (19), back-moving spring (5) is distributed between cover plate (6) and female connector (17) outer ring, outconnector (10) outer ring is evenly equipped with spring base (9), spring base (9) is provided with and promotes spring (16) and telescopic clutch lock pin (7), female connector (17) is provided with the clutch lockhole (8) matched with clutch lock pin (7).
2. DC speed-changing motor automatic clutch device according to claim 1, is characterized in that: described centrifugal seat (19) is provided with the positioning sleeve (21) centrifugal ball (20) being played to positioning action.
3. DC speed-changing motor automatic clutch device according to claim 1 and 2, is characterized in that: be at least provided with two uniform lazy-tongs (4) between described cover plate (6) and outconnector (10).
4. DC speed-changing motor automatic clutch device according to claim 3, it is characterized in that: described lazy-tongs (4) comprise the outconnector magnetic patch being fixed on cover plate magnetic patch on cover plate (6) and being fixed on outconnector (10), cover plate magnetic patch and outconnector magnetic patch magnetic attracting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310153905.8A CN103219826B (en) | 2013-04-28 | 2013-04-28 | Automatic clutching device of direct-current speed changing motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310153905.8A CN103219826B (en) | 2013-04-28 | 2013-04-28 | Automatic clutching device of direct-current speed changing motor |
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| Publication Number | Publication Date |
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| CN103219826A CN103219826A (en) | 2013-07-24 |
| CN103219826B true CN103219826B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310153905.8A Active CN103219826B (en) | 2013-04-28 | 2013-04-28 | Automatic clutching device of direct-current speed changing motor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280917A (en) * | 2013-05-22 | 2013-09-04 | 马加良 | Automatic clutch motor rotor |
| CN104062469B (en) * | 2014-06-13 | 2017-04-12 | 苏州华徕光电仪器有限公司 | Connector for high-voltage circuit breaker test based on magnetic steel rotation |
| CN109707761A (en) * | 2019-01-30 | 2019-05-03 | 张克军 | Retarder with clutch function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075761A (en) * | 2007-04-23 | 2007-11-21 | 陆昱森 | Middle electric motor for electric automobile |
| CN102710038A (en) * | 2012-05-02 | 2012-10-03 | 马加良 | Automatic clutch type direct-current brushless motor stator |
| CN203289255U (en) * | 2013-04-28 | 2013-11-13 | 马加良 | Direct-current variable speed motor automatic clutch device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5169794B2 (en) * | 2008-12-19 | 2013-03-27 | 日本精工株式会社 | Speed increaser with clutch mechanism |
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- 2013-04-28 CN CN201310153905.8A patent/CN103219826B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075761A (en) * | 2007-04-23 | 2007-11-21 | 陆昱森 | Middle electric motor for electric automobile |
| CN102710038A (en) * | 2012-05-02 | 2012-10-03 | 马加良 | Automatic clutch type direct-current brushless motor stator |
| CN203289255U (en) * | 2013-04-28 | 2013-11-13 | 马加良 | Direct-current variable speed motor automatic clutch device |
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| CN103219826A (en) | 2013-07-24 |
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Effective date of registration: 20200423 Address after: 322100 3rd floor, No.17 Xianghe Road, Hengdian Electronic Industrial Park, Dongyang City, Jinhua City, Zhejiang Province Patentee after: Dongyang Chuang Sheng Electrical Machinery Co., Ltd. Address before: 321313 Zhejiang city of Jinhua province Yongkang Xiangzhu town Qing Wei Jie Sheng Ping Road, building 217, boma Technology Patentee before: Ma Jialiang |