CN103595184A - Secondary gearing-down brushless electric motor assembly - Google Patents
Secondary gearing-down brushless electric motor assembly Download PDFInfo
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- CN103595184A CN103595184A CN201310627113.XA CN201310627113A CN103595184A CN 103595184 A CN103595184 A CN 103595184A CN 201310627113 A CN201310627113 A CN 201310627113A CN 103595184 A CN103595184 A CN 103595184A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention discloses a secondary gearing-down brushless electric motor assembly. The secondary gearing-down brushless electric motor assembly comprises a motor casing, a stator fixed on an inner circle of the motor casing, a rotor concentrically arranged in the middle of the stator, a power output shaft coaxial with and matched with the motor casing in a rotary mode, an output gear concentrically and fixedly arranged at the end portion of the power output shaft, a duplicate intermediate gear rotatably arranged on the end face of one side of the motor casing and a hollow cup-shaped gear located on the same axial line with the power output shaft, wherein the output gear is meshed with a large gear on the duplicate intermediate gear, and a small gear on the duplicate intermediate gear is meshed with the hollow cup-shaped gear. A secondary reduction gear in a speed reducing box is creatively integrated into a brushless electric motor to form a large-torque drive motor, accordingly the gradeability of an electric motorcycle is improved, the energy consumption is reduced, and the service life of batteries are prolonged. In addition, an existing electric motorcycle structure is simplified greatly, and the manufacture and maintenance cost of the electric motorcycle is reduced.
Description
Technical field
The present invention relates to drive motors, be particularly a kind ofly applicable to brushless electric machine assembly battery-operated motor cycle, decelerator and brushless motor design one.
Background technology
At present, the general employing of the drive motors of battery-operated motor cycle has brush induction motor, and it mainly consists of parts such as stator, rotors, and its stator adopts wheel hub structure conventionally, and the axle of rotor and wheel is made one.There is following some deficiency in the drive motors of employing said structure: 1) axle of rotor and wheel is made the rotation of one direct drive of wheel, speed change relies on control motor speed to realize completely, force motor often in inefficient service area, cause energy consumption to increase, and affect battery life; 2) adopt rotor by the structure of coil winding, need by brush parts, realize the lasting rotation of rotor, complex structure, failure rate is higher; 3) for increasing the climbing capacity of motorcycle, need to be equipped with in addition reduction box, make locomotive integral complex structure, volume excessive.
For above-mentioned deficiency, applicant has invented a kind of drive motors assembly with deceleration, to address the above problem.
Summary of the invention
In view of this, the invention provides a kind of double reduction transmission brushless electric machine assembly, this motor assembly possesses double reduction function, make motorcycle can produce under steam larger power and climbing power, thereby solved drive motors complex structure in prior art, inefficiency, affect the problems such as battery.
The present invention solves the problems of the technologies described above by following technological means:
Double reduction transmission brushless electric machine assembly of the present invention, comprising: electric machine casing; Stator, is fixed in the inner circle of electric machine casing; Rotor, is arranged at stator middle part with one heart; Power output shaft, coaxial and be rotatably assorted with electric machine casing; Output gear, is fixedly installed on the end of power output shaft with one heart; Duplex idler gear, is arranged on the end face of electric machine casing one side rotationally; And hollow cup-shaped gear, on same axial line, wherein, the gear wheel on described output gear and duplex idler gear meshes with power output shaft, the pinion on described duplex idler gear and the engagement of hollow cup-shaped gear.
Further, also comprise the front end housing being fixedly installed on electric machine casing end face, described duplex idler gear is axially fixedly installed between front end housing and electric machine casing end face.
Further, the one end that is provided with output gear on described power output shaft is inserted in the rim of a cup of described hollow cup-shaped gear, and coordinates with hollow cup-shaped gear coaxial rotation by the bearing being arranged in hollow cup-shaped gear rim of a cup.
Further, described hollow cup-shaped gear is nest, and the gear wheel on it is positioned at the rim of a cup place of hollow cup-shaped gear.
Further, described output gear and duplex idler gear are all helical gear, and the gear wheel on described hollow cup-shaped gear is spur gear.
Further, described front end housing and electric machine casing coaxially arrange, and the middle part of described front end housing is provided with the centre bore that allows hollow cup-shaped gear small end to pass through.
Further, described duplex idler gear wheel shaft two ends are respectively provided with a bearing, on described electric machine casing end face, offer for fixing the first groove of duplex idler gear axle end bearing, on described front end housing, over against position, be provided with one for fixing the second groove of another axle end bearing of duplex idler gear with described the first groove.
Further, described duplex idler gear forms by gear shaft and with gear wheel and pinion that gear shaft one processes, described gear wheel by spoke and the gear ring being coaxially fixedly installed on spoke excircle form, the thickness of described gear ring is greater than the thickness of spoke.
Further, the rim of a cup place of described hollow cup-shaped gear processes the two-stage shoulder hole reducing successively to aperture, depths, and wherein, small-bore shoulder hole is for installing the bearing of stationary power output shaft end.
The present invention has following beneficial effect:
1) double reduction transmission brushless electric machine assembly of the present invention, comprising: electric machine casing; Stator, is fixed in the inner circle of electric machine casing; Rotor, is arranged at stator middle part with one heart; Power output shaft, coaxial and be rotatably assorted with electric machine casing; Output gear, is fixedly installed on the end of power output shaft with one heart; Duplex idler gear, is arranged on the end face of electric machine casing one side rotationally; And hollow cup-shaped gear, on same axial line, wherein, the gear wheel on described output gear and duplex idler gear meshes with power output shaft, the pinion on described duplex idler gear and the engagement of hollow cup-shaped gear.The present invention is creatively incorporated into the double-reduction gear in reduction box in brushless electric machine and forms the drive motors with large torsion, thereby not only promoted battery-operated motor cycle climbing capacity, reduced energy consumption, extended life-span of battery, and greatly simplified the structure of existing battery-operated motor cycle, reduced manufacturing cost and the maintenance cost of battery-operated motor cycle.
2) double reduction transmission brushless electric machine assembly of the present invention, the one end that is provided with output gear on its internally-powered output shaft is inserted in the rim of a cup of described hollow cup-shaped gear, and coordinates with hollow cup-shaped gear coaxial rotation by the bearing being arranged in hollow cup-shaped gear rim of a cup.The structural design of above-mentioned uniqueness has strengthened the stability of engaged transmission between hollow cup-shaped gear and duplex idler gear, output gear and duplex idler gear, makes the working life of said gear longer.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the structural representation of double reduction transmission brushless electric machine assembly in the embodiment of the present invention 1;
Fig. 2 is the structural representation of double reduction transmission brushless electric machine assembly in the embodiment of the present invention 2;
Fig. 3 is the structural representation of brushless electric machine in double reduction transmission brushless electric machine assembly of the present invention;
Fig. 4 is the structural representation of duplex idler gear in double reduction transmission brushless electric machine assembly of the present invention.
Embodiment
Below with reference to accompanying drawing, the present invention is described in detail:
1 one kinds of double reduction transmission brushless electric machine assemblies of embodiment
As shown in Fig. 1,3 and 4, the double reduction transmission brushless electric machine assembly of the present embodiment, comprising:
Electric machine casing 1, comprises cylindrical shell 11 and rear end cap 12, and a side end face of described casing 11 is uncovered, and this open-mouth is by rear end cap 12 cap seals, and the opposite side end face of described casing 11 middle part is provided with through hole;
Stator 2, it is fixed in the inner circle of electric machine casing 1, described stator 2 is formed by coil 21 coilings, and coil 21 is set on stator, and rotor adopts without coil rotor, solved the technical barrier of switching in rotor rotation process, can simplify electric machine structure, improve motor reliability and useful life, described coil 21 is by the coiling of anti-corona enamelled wire, the class of insulation of anti-corona enamelled wire is equal to or higher than H level, increases useful life and the reliability of motor;
Power output shaft 4, coaxial and be rotatably assorted with electric machine casing 1, particularly, described power output shaft 4 one end are rotatably assorted by the rear end cap 12 on bearing and electric machine casing 1, and the other end of described power output shaft 4 stretches out from end face by the through hole on electric machine casing 1;
Output gear 41, is fixedly installed on the one end of stretching out from electric machine casing 1 on power output shaft 4 with one heart, preferred, and described output gear 41 is processed into power output shaft 4 one;
Duplex idler gear 5, be arranged at rotationally on the end face of electric machine casing 1 one sides, described duplex idler gear 5 forms by gear shaft 51 and with gear wheel 52 and pinion 53 that gear shaft 51 one process, described gear wheel 52 is comprised of spoke 521 and the gear ring 522 that is coaxially fixedly installed on spoke 521 excircles, and the thickness of described gear ring 522 is greater than the thickness of spoke 521;
Hollow cup-shaped gear 6, with power output shaft 4 on same axial line, described hollow cup-shaped gear 6 is hollow nest, gear wheel on it is positioned at the rim of a cup place of hollow cup-shaped gear 6, wherein, described output gear 41 meshes with the gear wheel on duplex idler gear 5, the pinion on described duplex idler gear 5 and 6 engagements of hollow cup-shaped gear.
Front end housing 13, coaxially be fixedly installed on electric machine casing 1 end face of output gear 41 place one sides, the middle part of front end housing 13 is provided with the centre bore that allows hollow cup-shaped gear 6 small ends to pass through, described duplex idler gear 5 axial restraints are arranged between front end housing 13 and electric machine casing 1 end face, particularly, described duplex idler gear 5 wheel shaft two ends are respectively provided with a bearing, on described electric machine casing 1 end face, offer for fixing the first groove 14 of duplex idler gear 5 axle end bearings, on described front end housing 13, over against position, be provided with one for fixing the second groove 15 of duplex idler gear 5 another axle end bearings with described the first groove 14.Described front end housing 13 by output gear 41, duplex idler gear 5 and hollow cup-shaped gear 6 cover buckles between front end housing 13 and electric machine casing 1 end face; one of its effect is to provide stable support force for duplex idler gear 5; two of effect is for said gear provides protection, prevents that the foreign material such as dust, stone from damaging gear.
The double reduction transmission brushless electric machine assembly that adopts said structure that one is installed can make motorcycle in enforcement, produce larger power and climbing power, and makes the larger operating efficiency of brushless motorcycles drives motor generation, has reduced energy consumption, has extended life-span of battery.Double reduction transmission brushless electric machine assembly of the present invention also has extremely simple structure, has saved in the past indispensable reduction box in battery-operated motor cycle, thereby has reduced manufacturing cost and maintenance cost.
2 one kinds of double reduction transmissions of embodiment are brushless electric machine assembly more stably
As the further improvement to technical scheme in embodiment 1, as shown in Figure 2, the one end that is provided with output gear 41 on described power output shaft 4 is inserted in the rim of a cup of described hollow cup-shaped gear 6, and coordinate with hollow cup-shaped gear 6 coaxial rotation by the bearing being arranged in hollow cup-shaped gear 6 rims of a cup, particularly, the rim of a cup place of described hollow cup-shaped gear 6 processes the two-stage shoulder hole reducing successively to aperture, depths, wherein, small-bore shoulder hole is for installing the bearing 7 of stationary power output shaft 4 axle heads.The structural design of above-mentioned uniqueness has strengthened the stability of engaged transmission between hollow cup-shaped gear and duplex idler gear, output gear and duplex idler gear, avoided because output gear damages with the relative gear teeth that cause of beating between hollow cup-shaped gear 6, and then the working life that has greatly extended gear.
As the further improvement of technique scheme, described output gear and duplex idler gear are all helical gear, and the gear wheel on described hollow cup-shaped gear is spur gear.Described helical gear is evolvent type helical gear, adopts helical gear to reduce the wearing and tearing of the gear teeth, the stability of enhancing engaged transmission.Particularly, the number of teeth of described output gear 41 is set to 23, on described duplex idler gear 5, the number of teeth of gear wheel and pinion is set to respectively 50,17, on described hollow cup-shaped gear 6, the number of teeth of gear wheel and pinion is set to respectively 56,43, gearratio under the constraint of the said gear number of teeth is more reasonable, for solving the optimal case that reduces drive motors energy consumption problem.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (9)
1. a double reduction transmission brushless electric machine assembly, comprising:
Electric machine casing (1);
Stator (2), is fixed in the inner circle of electric machine casing (1);
Rotor (3), is arranged at stator (2) middle part with one heart;
Power output shaft (4), coaxial and be rotatably assorted with electric machine casing (1);
Output gear (41), is fixedly installed on the end of power output shaft (4) with one heart;
Duplex idler gear (5), is arranged on the end face of electric machine casing (1) one side rotationally; And hollow cup-shaped gear (6), with power output shaft (4) on same axial line,
Wherein, described output gear (41) meshes with the gear wheel on duplex idler gear (5), the pinion on described duplex idler gear (5) and hollow cup-shaped gear (6) engagement.
2. double reduction transmission brushless electric machine assembly according to claim 1, it is characterized in that: also comprise the front end housing (13) being fixedly installed on electric machine casing (1) one side end face, described duplex idler gear (5) axial restraint is arranged between front end housing (13) and electric machine casing (1) end face.
3. double reduction transmission brushless electric machine assembly according to claim 2, it is characterized in that: the one end that is provided with output gear (41) on described power output shaft (4) is inserted in the rim of a cup of described hollow cup-shaped gear (6), and coordinate with hollow cup-shaped gear (6) coaxial rotation by the bearing being arranged in hollow cup-shaped gear (6) rim of a cup.
4. double reduction transmission brushless electric machine assembly according to claim 3, is characterized in that: described hollow cup-shaped gear (6) is nest, and the gear wheel on it is positioned at the rim of a cup place of hollow cup-shaped gear (6).
5. double reduction transmission brushless electric machine assembly according to claim 4, is characterized in that: described output gear (41) and duplex idler gear (5) are all helical gear, and the gear wheel on described hollow cup-shaped gear (6) is spur gear.
6. double reduction transmission brushless electric machine assembly according to claim 5, it is characterized in that: described front end housing (13) coaxially arranges with electric machine casing (1), the middle part of described front end housing (13) is provided with the centre bore that allows hollow cup-shaped gear (6) small end to pass through.
7. double reduction transmission brushless electric machine assembly according to claim 6, it is characterized in that: described duplex idler gear (5) wheel shaft two ends are respectively provided with a bearing, on described electric machine casing (1) end face, offer for fixing first groove (14) of duplex idler gear (5) axle end bearing, described front end housing (13) is upper is provided with one for fixing second groove (15) of another axle end bearing of duplex idler gear (5) with described the first groove (14) over against position.
8. double reduction transmission brushless electric machine assembly according to claim 7, it is characterized in that: described duplex idler gear (5) forms by gear shaft (51) and with gear wheel (52) and pinion (53) that gear shaft (51) one processes, described gear wheel (52) is comprised of spoke (521) and the gear ring (522) that is coaxially fixedly installed on spoke (521) excircle, and the thickness of described gear ring (522) is greater than the thickness of spoke (521).
9. double reduction transmission brushless electric machine assembly according to claim 8, it is characterized in that: the rim of a cup place of described hollow cup-shaped gear (6) processes the two-stage shoulder hole reducing successively to aperture, depths, wherein small-bore shoulder hole is used for installing the bearing of stationary power output shaft (4) axle head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310627113.XA CN103595184A (en) | 2013-11-29 | 2013-11-29 | Secondary gearing-down brushless electric motor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310627113.XA CN103595184A (en) | 2013-11-29 | 2013-11-29 | Secondary gearing-down brushless electric motor assembly |
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| Publication Number | Publication Date |
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| CN103595184A true CN103595184A (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310627113.XA Pending CN103595184A (en) | 2013-11-29 | 2013-11-29 | Secondary gearing-down brushless electric motor assembly |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106161918A (en) * | 2015-04-13 | 2016-11-23 | 浙江宇视科技有限公司 | The drive mechanism of a kind of video camera and video camera |
| CN106808492A (en) * | 2017-03-30 | 2017-06-09 | 北京智控城服科技有限公司 | A kind of applied robot's joint motor |
| CN107196456A (en) * | 2017-07-25 | 2017-09-22 | 深圳市诺微特电机有限公司 | DC speed-reducing |
| CN107707074A (en) * | 2017-10-11 | 2018-02-16 | 江苏东航空机械有限公司 | A kind of motorcycle high-speed electric expreess locomotive |
| CN108494175A (en) * | 2018-05-18 | 2018-09-04 | 深圳超磁机器人科技有限公司 | A kind of hollow servo motor of bus-type |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040211619A1 (en) * | 2003-04-24 | 2004-10-28 | Honda Motor Co., Ltd. | Electric steering apparatus |
| CN201142618Y (en) * | 2007-12-18 | 2008-10-29 | 朱明龙 | Gear reducer motor of hub |
| JP2009293643A (en) * | 2008-06-02 | 2009-12-17 | Mitsuba Corp | Electric motor with speed reduction mechanism |
| CN203562881U (en) * | 2013-11-29 | 2014-04-23 | 四川阿克拉斯电动车有限公司 | Secondary-transmission brushless motor assembly |
-
2013
- 2013-11-29 CN CN201310627113.XA patent/CN103595184A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040211619A1 (en) * | 2003-04-24 | 2004-10-28 | Honda Motor Co., Ltd. | Electric steering apparatus |
| CN201142618Y (en) * | 2007-12-18 | 2008-10-29 | 朱明龙 | Gear reducer motor of hub |
| JP2009293643A (en) * | 2008-06-02 | 2009-12-17 | Mitsuba Corp | Electric motor with speed reduction mechanism |
| CN203562881U (en) * | 2013-11-29 | 2014-04-23 | 四川阿克拉斯电动车有限公司 | Secondary-transmission brushless motor assembly |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106161918A (en) * | 2015-04-13 | 2016-11-23 | 浙江宇视科技有限公司 | The drive mechanism of a kind of video camera and video camera |
| CN106808492A (en) * | 2017-03-30 | 2017-06-09 | 北京智控城服科技有限公司 | A kind of applied robot's joint motor |
| CN107196456A (en) * | 2017-07-25 | 2017-09-22 | 深圳市诺微特电机有限公司 | DC speed-reducing |
| CN107196456B (en) * | 2017-07-25 | 2024-04-30 | 深圳市一诺微特电机有限公司 | DC speed reducing motor |
| CN107707074A (en) * | 2017-10-11 | 2018-02-16 | 江苏东航空机械有限公司 | A kind of motorcycle high-speed electric expreess locomotive |
| CN108494175A (en) * | 2018-05-18 | 2018-09-04 | 深圳超磁机器人科技有限公司 | A kind of hollow servo motor of bus-type |
| CN108494175B (en) * | 2018-05-18 | 2024-04-09 | 深圳超磁机器人科技有限公司 | Bus type hollow servo motor |
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Application publication date: 20140219 |
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