CN203562882U - Three-stage-transmission brushless motor easy to assemble - Google Patents
Three-stage-transmission brushless motor easy to assemble Download PDFInfo
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- CN203562882U CN203562882U CN201320773190.1U CN201320773190U CN203562882U CN 203562882 U CN203562882 U CN 203562882U CN 201320773190 U CN201320773190 U CN 201320773190U CN 203562882 U CN203562882 U CN 203562882U
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Abstract
The utility model discloses a three-stage-transmission brushless motor easy to assemble. The motor includes a casing assembly; a stator fixed on the inner circle of a motor casing; a rotor arranged concentrically at the middle part of the stator; an armature shaft which is coaxial with the motor casing and is in rotation cooperation with the motor casing; an armature-shaft gear fixed concentrically at the end part of the armature shaft, wherein the end part of the armature shaft is located in a reducer casing; a duplex middle gear arranged axially in the reducer casing; and a gear output shaft axially and fixedly arranged in the reducer casing, wherein an output gear is coaxially arranged on the gear output shaft. The output gear is engaged with a pinion on the duplex middle gear and a bull gear on the duplex middle gear is engaged with the armature-shaft gear. The three-stage-transmission brushless motor easy to assemble not only improves the climbing ability of an electric motor car, but also reduces power consumption, prolongs the service life of the motor and simplifies significantly the structure of the prior electric motor car and reduces manufacturing and maintenance costs of the electric motor car.
Description
Technical field
The utility model relates to drive motors, is particularly a kind ofly applicable to three grades of transmission brushless electric machines that are easy to assembling 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 the structure of rotor by coil winding, need realize by brush parts 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 brushless electric machine that is easy to assembling with three grades of decelerations, to address the above problem.
Utility model content
In view of this, the utility model provides a kind of three grades of transmission brushless electric machines that are easy to assembling, this motor assembly possesses three grades of decelerations, 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 utility model solves the problems of the technologies described above by following technological means:
Three grades of transmission brushless electric machines that are easy to assembling of the present utility model, comprise: housing assembly, described housing assembly comprises electric machine casing and reducer shell, described electric machine casing is comprised of columnar motor housing and the front end housing and the rear end cap that are arranged at respectively motor housing both sides end face, described reducer shell is comprised of left box body and right case, and the rear end cap of described electric machine casing and the left box body of reducer shell are made one; Stator, is fixed in the inner circle of motor housing; Rotor, is arranged at stator middle part with one heart; Armature shaft, coaxial and be rotatably assorted with motor housing; Armature shaft gear, is fixedly installed on the end of armature shaft with one heart, and the end of this armature shaft is arranged in reducer shell; Duplex idler gear, axial restraint is arranged in reducer shell; Gear output shaft, axial restraint is arranged in reducer shell, is coaxially arranged with output gear, wherein on described gear output shaft, described output gear engages with the pinion on duplex idler gear, and the gear wheel on described duplex idler gear engages with armature shaft gear.
Further, described output gear is rotatably assorted by one-way clutch and gear output shaft.
Further, on described left box body and right case, be symmetrical arranged respectively the bearing pedestal that is useful on fixed armature axle, duplex idler gear and gear output shaft upper bearing (metal).
Further, described armature shaft gear, output gear and duplex idler gear are all helical gear.
Further, the end that is positioned at reducer shell inside on described gear output shaft is provided with two steps, wherein, is processed with the cannelure for proofreading one-way clutch and output gear position on the periphery of second step.
Further, the one end that is positioned at the gear output shaft of reducing gearbox external body has three steps, wherein, on the 3rd step, is processed with external splines.
Further, on the periphery of described output gear endoporus, be axially provided with the radiating groove of multiple annulars.
Further, described reducer shell arranged outside is useful on the projection of suspension and mounted motor, in described projection, is provided with installing hole.
Further, gear wheel and pinion that described duplex idler gear is located on gear shaft by gear shaft, coaxial sleeve form, the two ends of described gear shaft are respectively equipped with two steps, wherein, on second step at two ends, be processed with respectively keyway, on the periphery of second step at two ends, be processed with annular slot, described gear wheel and pinion are arranged at respectively between the annular slot and second step inner side end at two ends.
The utlity model has following beneficial effect:
1) three grades of transmission brushless electric machines that are easy to assembling of the present utility model, comprise housing assembly, by electric machine casing and reducer shell, the two combines this housing assembly effectively, because motor and decelerator were all partial installations in the past, so the precision in the engagement of transmission process middle gear is affected, adopt the housing assembly described in the utility model not only to simplify the structure of motor, and the transmission accuracy of gear is significantly improved.
2) three grades of transmission brushless electric machines that are easy to assembling of the present utility model, the output gear in its reducer shell is rotatably assorted by one-way clutch and gear output shaft.Make when battery-operated motor cycle is during at descent run, output gear is separation with the transmission of gear output shaft, and then has effectively protected brushless electric machine, has avoided burning of brushless electric machine.
In sum, three grades of transmission brushless electric machines that the utility model is easy to assembling not only promoted battery-operated motor cycle climbing capacity, reduced energy consumption, extended life-span of motor, and greatly simplified the structure of existing battery-operated motor cycle, reduced manufacturing cost and the maintenance cost of battery-operated motor cycle.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is the assembly structure schematic diagram that the utility model is easy to three grades of transmission brushless electric machines of assembling;
Fig. 2 is the structural representation that the utility model is easy to the interior armature shaft of three grades of transmission brushless electric machines of assembling;
Fig. 3 is the structural representation that the utility model is easy to three grades of transmission brushless electric machine internal gear output shafts of assembling;
Fig. 4 is the structural representation that the utility model is easy to the interior duplex idler gear of three grades of transmission brushless electric machines of assembling;
Fig. 5 is the outboard structure schematic diagram that the utility model is easy to the left box body of three grades of transmission brushless electric machines of assembling;
Fig. 6 is the inside structure schematic diagram that the utility model is easy to the left box body of three grades of transmission brushless electric machines of assembling;
Fig. 7 is the outboard structure schematic diagram that the utility model is easy to the right case of three grades of transmission brushless electric machines of assembling;
Fig. 8 is the inside structure schematic diagram that the utility model is easy to the right case of three grades of transmission brushless electric machines of assembling.
Embodiment
Below with reference to accompanying drawing, the utility model is elaborated:
As shown in Figures 1 to 6, three grades of transmission brushless electric machines that are easy to assembling of the present embodiment, comprise: housing assembly, described housing assembly comprises electric machine casing and reducer shell, described electric machine casing is comprised of columnar motor housing 11 and the front end housing 12 and the rear end cap 13 that are arranged at respectively motor housing 11 both sides end faces, described reducer shell is comprised of left box body 14 and right case 15, and the rear end cap 13 of described electric machine casing is made one with the left box body 14 of reducer shell; Stator 2, be fixed in the inner circle of motor housing 11, 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; Rotor 3, is arranged at stator 2 middle parts with one heart,
Described rotor 3 comprises the circumferentially uniform magnetic shoe being fixed on outside iron core of iron core and edge, rotor adopts iron core magnetic shoe structure, avoid using coil winding, simple in structure, easy to process, long service life, further, described magnetic shoe is made by the magnet steel of the N37EH trade mark, and it is all high than general permanent magnet for motor at aspects such as heat resistance, coercive forces, in technical requirement, also add the standard of low weightlessness, thereby guaranteed the useful life of magnet steel; Armature shaft 4, coaxial and be rotatably assorted with motor housing 11, particularly, described armature shaft 4 one end are rotatably assorted by the front end housing 12 of bearing and motor housing 11 1 sides, the other end of described armature shaft 4 stretches out from end face by the through hole on rear end cap 13, preferably, in the through hole of described rear end cap 13, be fixedly installed the bearing that is useful on axial restraint armature shaft 4; Armature shaft gear 41, be fixedly installed on one heart the end of armature shaft 4, the end of this armature shaft 4 is arranged in reducer shell, preferred, described armature shaft gear 41 processes with armature shaft 4 one, and the tip diameter of armature shaft gear 41 is less than the maximum gauge of armature shaft 4; Duplex idler gear 5, axial restraint is arranged in reducer shell; Gear output shaft 7, axial restraint is arranged in reducer shell, on described gear output shaft 7, be coaxially arranged with output gear 6, wherein, described output gear 6 engages with the pinion on duplex idler gear 5, gear wheel on described duplex idler gear 5 engages with armature shaft gear 41, and preferred, pinion, the gearratio between output gear on gear wheel, duplex idler gear on described armature shaft gear, duplex idler gear are: 13:62:29:52; On described left box body 14 and right case 15, be symmetrical arranged respectively the bearing pedestal 18 that is useful on fixed armature axle 4, duplex idler gear 5 and gear output shaft 7 upper bearing (metal)s.The utility model be easy to assembling three grades of transmission brushless electric machines not only promoted battery-operated motor cycle climbing capacity, reduced energy consumption, and the structure of existing battery-operated motor cycle has greatly been simplified in the design of its housing assembly, make its assembling more simple, convenient, and then reduced manufacturing cost and the maintenance cost of battery-operated motor cycle.
As the further improvement of technique scheme, described output gear 6 is rotatably assorted by one-way clutch 8 and gear output shaft 7.Output gear is rotatably assorted by one-way clutch and gear output shaft, makes when battery-operated motor cycle is during at descent run, output gear is separation with the transmission of gear output shaft, and then can effectively protect brushless electric machine, has avoided burning of brushless electric machine.
As the further improvement of technique scheme, described armature shaft gear 41, output gear 6 and duplex idler gear 5 are all helical 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.
As the further improvement of technique scheme, the end that is positioned at reducer shell inside on described gear output shaft 7 is provided with two steps, wherein, on the periphery of second step, be processed with the cannelure 71 for proofreading one-way clutch 8 and output gear 6 positions.Preferably, the distance of 71 to second step medial ends of described cannelure just equals the thickness of one-way clutch 8.When one-way clutch 8 and output gear 6 are installed on gear output shaft 7, by observing the relative position between cannelure 71 and one-way clutch 8, can determine that one-way clutch 8 is installed and whether put in place, in addition, jump ring also can be set, to one-way clutch 8 is fixed on second step securely on described cannelure 71.
As the further improvement of technique scheme, the one end that is positioned at the gear output shaft 7 of reducing gearbox external body has three steps, wherein, on the 3rd step, is processed with external splines 72.Preferably, the length of described external splines is greater than 1/4 of gear output shaft 7 total lengths, to facilitate gear output shaft 7 to be connected with the power receiving unit of different size.
As the further improvement of technique scheme, on the periphery of described output gear 6 endoporus, be axially provided with the radiating groove 61 of multiple annulars.Radiating groove 61 is set and can makes the temperature of one-way clutch 8 interior balls reduce, and then extend the useful life of one-way clutch.
As the further improvement of technique scheme, described reducer shell arranged outside is useful on the projection 16 of suspension and mounted motor, is provided with installing hole 17 in described projection.By this installing hole 17, can conveniently three grades of deceleration brushless electric machines of the present utility model be connected with other bases.
As the further improvement of technique scheme, gear wheel 52 and pinion 53 that described duplex idler gear 5 is located on gear shaft 51 by gear shaft 51, coaxial sleeve form, the two ends of described gear shaft 51 are respectively equipped with two steps, wherein, on second step at two ends, be processed with respectively keyway 54, on the periphery of second step at two ends, be processed with annular slot 55, described gear wheel 52 and pinion 53 are arranged at respectively between the annular slot 55 and second step inner side end at two ends.By gear shaft 51 and gear wheel 52 and pinion 53 splits designs, can reduce the difficulty of processing of duplex idler gear 5, in addition, during maintenance, can change separately the gear on gear shaft 51 and needn't change whole duplex idler gear, reduced maintenance cost.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model 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 the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (10)
1. three grades of transmission brushless electric machines that are easy to assembling, comprising:
Housing assembly, described housing assembly comprises electric machine casing and reducer shell, described electric machine casing is comprised of columnar motor housing (11) and the front end housing (12) and the rear end cap (13) that are arranged at respectively motor housing (11) both sides end face, described reducer shell is comprised of left box body (14) and right case (15), and the rear end cap (13) of described electric machine casing is made one with the left box body (14) of reducer shell;
Stator (2), is fixed in the inner circle of motor housing (11);
Rotor (3), is arranged at stator (2) middle part with one heart;
Armature shaft (4), coaxial and be rotatably assorted with motor housing (11);
Armature shaft gear (41), is fixedly installed on the end of armature shaft (4) with one heart, and the end of this armature shaft (4) is arranged in reducer shell;
Duplex idler gear (5), axial restraint is arranged in reducer shell;
Gear output shaft (7), axial restraint is arranged in reducer shell, on described gear output shaft (7), be coaxially arranged with output gear (6), wherein, described output gear (6) engages with the pinion on duplex idler gear (5), and the gear wheel on described duplex idler gear (5) engages with armature shaft gear (41).
2. three grades of transmission brushless electric machines that are easy to assembling according to claim 1, is characterized in that: described output gear (6) is rotatably assorted by one-way clutch (8) and gear output shaft (7).
3. three grades of transmission brushless electric machines that are easy to assembling according to claim 2, is characterized in that: on described left box body (14) and right case (15), be symmetrical arranged respectively the bearing pedestal that is useful on fixed armature axle (4), duplex idler gear (5) and gear output shaft (7) upper bearing (metal).
4. three grades of transmission brushless electric machines that are easy to assembling according to claim 3, is characterized in that: described armature shaft gear (41), output gear (6) and duplex idler gear (5) are all helical gear.
5. three grades of transmission brushless electric machines that are easy to assembling according to claim 4, it is characterized in that: the end that is positioned at reducer shell inside on described gear output shaft (7) is provided with two steps, wherein, on the periphery of second step, be processed with the cannelure (71) for proofreading one-way clutch (8) and output gear (6) position.
6. three grades of transmission brushless electric machines that are easy to assembling according to claim 5, is characterized in that: the one end that is positioned at the gear output shaft (7) of reducing gearbox external body has three steps, wherein, on the 3rd step, are processed with external splines (72).
7. three grades of transmission brushless electric machines that are easy to assembling according to claim 6, is characterized in that: the radiating groove (61) that is axially provided with multiple annulars on the periphery of described output gear (6) endoporus.
8. three grades of transmission brushless electric machines that are easy to assembling according to claim 7, is characterized in that: described reducer shell arranged outside is useful on the projection (16) of suspension and mounted motor, is provided with installing hole (17) in described projection.
9. three grades of transmission brushless electric machines that are easy to assembling according to claim 8, it is characterized in that: described armature shaft gear (41) processes with armature shaft (4) one, and the tip diameter of armature shaft gear (41) is less than the maximum gauge of armature shaft (4).
10. three grades of transmission brushless electric machines that are easy to assembling according to claim 9, it is characterized in that: described duplex idler gear (5) is by gear shaft (51), coaxial sleeve is located at gear wheel (52) and pinion (53) composition on gear shaft (51), the two ends of described gear shaft (51) are respectively equipped with two steps, wherein, on second step at two ends, be processed with respectively keyway (54), on the periphery of second step at two ends, be processed with annular slot (55), described gear wheel (52) and pinion (53) are arranged at respectively between the annular slot (55) and second step inner side end at two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320773190.1U CN203562882U (en) | 2013-11-29 | 2013-11-29 | Three-stage-transmission brushless motor easy to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320773190.1U CN203562882U (en) | 2013-11-29 | 2013-11-29 | Three-stage-transmission brushless motor easy to assemble |
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| Publication Number | Publication Date |
|---|---|
| CN203562882U true CN203562882U (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320773190.1U Expired - Fee Related CN203562882U (en) | 2013-11-29 | 2013-11-29 | Three-stage-transmission brushless motor easy to assemble |
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| CN (1) | CN203562882U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607070A (en) * | 2013-11-29 | 2014-02-26 | 四川阿克拉斯电动车有限公司 | Three-level deceleration brushless motor |
| CN107225953A (en) * | 2016-03-24 | 2017-10-03 | 爱信精机株式会社 | Motor driver |
| CN107425653A (en) * | 2017-09-18 | 2017-12-01 | 台州市查里曼新能源科技有限公司 | Motor reduction gearbox all-in-one |
| CN111946798A (en) * | 2020-09-23 | 2020-11-17 | 上海盘毂动力科技股份有限公司 | Motor and speed reducer assembly |
-
2013
- 2013-11-29 CN CN201320773190.1U patent/CN203562882U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607070A (en) * | 2013-11-29 | 2014-02-26 | 四川阿克拉斯电动车有限公司 | Three-level deceleration brushless motor |
| CN107225953A (en) * | 2016-03-24 | 2017-10-03 | 爱信精机株式会社 | Motor driver |
| CN107425653A (en) * | 2017-09-18 | 2017-12-01 | 台州市查里曼新能源科技有限公司 | Motor reduction gearbox all-in-one |
| CN111946798A (en) * | 2020-09-23 | 2020-11-17 | 上海盘毂动力科技股份有限公司 | Motor and speed reducer assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20141129 |
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| EXPY | Termination of patent right or utility model |