CN102332778A - Through-shaft outer-rotor built-in motor - Google Patents
Through-shaft outer-rotor built-in motor Download PDFInfo
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- CN102332778A CN102332778A CN201110249388A CN201110249388A CN102332778A CN 102332778 A CN102332778 A CN 102332778A CN 201110249388 A CN201110249388 A CN 201110249388A CN 201110249388 A CN201110249388 A CN 201110249388A CN 102332778 A CN102332778 A CN 102332778A
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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 through-shaft outer-rotor built-in motor used as a motor of an electric vehicle. The through-shaft outer-rotor built-in motor comprises an end cover, a stator, a motor shaft and a rotor, wherein the rotor is mounted on the motor shaft; the inner side of the stator is mounted on the motor shaft through a bearing; a winding coil is mounted on the outer side of the stator; the rotor is arranged on the outer side of the stator; magnetic steel is mounted on the rotor; an output end of the rotor is connected with a first-level sun wheel; the first-level sun wheel is connected with a first-level speed reducer and a second-level sun wheel; the second-level sun wheel is connected with a second-level speed reducer and a planetary wheel bracket; a planetary wheel strut is mounted on the planetary wheel bracket; a planetary wheel is mounted on the planetary wheel strut, and is in tooth joint with the second-level speed reducer; the planetary wheel bracket is connected with a first-level clutch; an end cover is sleeved on the bracket, and another end cover is mounted on the outer side of the stator; two end covers are connected with a shell through second set screws; and an outgoing line passes through the end covers to be connected with the winding coil. The through-shaft outer-rotor built-in motor disclosed by the invention has high power and high efficiency, and can be matched with electric vehicles with different wheel diameters; and the manufacturing cost of the through-shaft outer-rotor built-in motor is low.
Description
Technical field
The present invention relates to a kind of electric motor car parts, relate in particular to the mid-motor of a kind of axis external rotor.
Background technology
The mid-motor of electric motor car that uses at present comprises that through the internal rotor of bearing fixing on axle be stained with magnet steel on the internal rotor, stator is fixed on the shell; Be wound with winding coil on the stator, the lead-in wire of winding coil is drawn through shell, and the both ends of axle are equipped with bearing, and end cap respectively is installed on the bearing; End cap is connected with shell through screw, and this structure power output is little, complex process; Manufacturing cost is high, and parameter is unreasonable, is difficult to coupling with electric motor car.
Summary of the invention
The purpose of this invention is to provide that a kind of rational in infrastructure, power is big, the mid-motor of a kind of axis external rotor of external rotor.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is:
The mid-motor of a kind of axis external rotor comprises end cap, stator, bearing, motor shaft, rotor, it is characterized in that: the inboard Bearing Installation of passing through of rotor is on motor shaft; The inboard Bearing Installation of passing through of stator is on motor shaft, and winding coil is installed in the outside of stator, and rotor is in the outside of stator; Stator is corresponding with the position of rotor, and magnet steel is between stator, rotor, and magnet steel is installed on the rotor; The output of rotor connects the one-level sun gear, and the one-level sun gear connects the one-level decelerator in the radial direction at it, and the one-level sun gear connects the secondary sun gear in a lateral direction at it; The secondary sun gear connects two stage reducer in the radial direction at it, and the secondary sun gear connects planetary carrier in a lateral direction at it, and the planetary gear pillar is installed on the planetary carrier; On the planetary gear pillar planetary gear is installed; Planetary gear and two stage reducer be toe joint mutually, and planetary carrier connects the one-level clutch, and the one-level clutch connects the secondary clutch; Support is at its end cap of suit in the radial direction, and the outside of stator is equipped with another end cap, and end cap is provided with bearing, and two end caps connect shell through second fixed screw, and lead-out wire passes end cap connection winding coil; Bearing, planetary carrier, stator, one-level sun gear, one-level decelerator, two stage reducer, secondary sun gear, secondary clutch, one-level clutch all are installed on the motor shaft.
According to the mid-motor of described a kind of axis external rotor, it is characterized in that: said stator and end cap are fixed together through first fixed screw, and motor shaft is a straight-through axle; Said two stage reducer, planetary carrier, the one of one-level clutch for making up.
According to the mid-motor of described a kind of axis external rotor, it is characterized in that: all toe joint is in being total to the rail gear ring for described one-level decelerator, two stage reducer, and the rail gear ring is installed on the shell altogether; The one-level sun gear is installed dividing plate in the radial direction at it, and dividing plate is between one-level decelerator and rotor, and dividing plate connects shell, between dividing plate and the one-level sun gear oil sealing is installed.
Advantageous effect of the present invention is: because external rotor is 60-150mm among the present invention, internal stator is 50-145mm, and external rotor has 30 magnet steel.Rational in infrastructure, so power of the present invention is big, efficient is high, and low cost of manufacture can be mated with the different electric motor cars of taking turns the footpath.
Description of drawings
Fig. 1 is an assembling sketch map of the present invention.
Fig. 2 is the sketch map that planetary gear of the present invention is connected with clutch.
In the accompanying drawing: 1, magnet steel; 2, end cap; 3, stator; 4, bearing; 5, motor shaft; 6, planetary carrier; 7, planetary gear pillar; 8, first fixed screw; 9, second fixed screw; 10, oil sealing; 11, one-level sun gear; 12, one-level decelerator; 13, shell; 14, two stage reducer; 15, secondary sun gear; 16, secondary clutch; 17, one-level clutch; 18, be total to the rail gear ring; 19, dividing plate; 20, rotor; 21, winding coil; 22, lead-out wire; 23, planetary gear.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further:
Structure of the present invention is like Fig. 1, shown in 2, and the mid-motor of a kind of axis external rotor comprises end cap 2, stator 3, bearing 4, motor shaft 5, rotor 20; It is characterized in that: rotor 20 inboards are installed on the motor shaft 5 through bearing 4, and stator 3 inboards are installed on the motor shaft 5 through bearing 4, and winding coil 21 is installed in the outside of stator 3; Rotor 20 is in the outside of stator 3, and stator 3 is corresponding with the position of rotor 20, and magnet steel 1 is between stator 3, rotor 20; Magnet steel 1 is installed on the rotor 20, and the output of rotor 20 connects one-level sun gear 11, and one-level sun gear 11 connects one-level decelerator 12 in the radial direction at it; One-level sun gear 11 connects secondary sun gear 15 in a lateral direction at it; Secondary sun gear 15 connects two stage reducer 14 in the radial direction at it, and secondary sun gear 15 connects planetary carrier 6 in a lateral direction at it, and planetary gear pillar 7 is installed on the planetary carrier 6; Planetary gear 23 is installed on the planetary gear pillar 7; Planetary gear 23 and two stage reducer 14 be toe joint mutually, and planetary carrier 6 connects one-level clutches 17, and one-level clutch 17 connects secondary clutches 16; Support 6 is at its end cap 2 of suit in the radial direction, and the outside of stator 3 is equipped with another end cap 2, and end cap 2 is provided with 4, two end caps of bearing 2 and connects shells 13 through second fixed screw 9, and lead-out wire 22 passes end cap 2 connection winding coils 21; Bearing 4, planetary carrier 6, stator 3, one-level sun gear 11, one-level decelerator 12, two stage reducer 14, secondary sun gear 15, secondary clutch 16, one-level clutch 17 all are installed on the motor shaft 5.According to the mid-motor of described a kind of axis external rotor, it is characterized in that: said stator 3 is fixed together through first fixed screw 8 with end cap 2, and motor shaft 5 is a straight-through axle; Said two stage reducer 14, planetary carrier 6, one-level clutch 17 are the one of combination.According to the mid-motor of described a kind of axis external rotor, it is characterized in that: all toe joint is in rail gear ring 18 altogether for described one-level decelerator 12, two stage reducer 14, and rail gear ring 18 is installed on the shell 13 altogether; One-level sun gear 11 is installed dividing plate 19 in the radial direction at it, and dividing plate 19 is between one-level decelerator 12 and rotor 20, and dividing plate 19 connects shell 13, between dividing plate 19 and the one-level sun gear 11 oil sealing 10 is installed.
Operation principle of the present invention is as shown in Figure 1, is connected the control switch energising with lead-out wire 22 through mains switch; Winding coil 21 energisings of this moment produce magnetic field; Because magnet steel 1 is fixed on the rotor 20, the rotation of the action of a magnetic field rotor 20, the output of rotor 20 drives the rotation of one-level sun gear 11; One-level sun gear 11 drives 12 work of one-level decelerator; One-level sun gear 11 also drives the rotation of secondary sun gear 15 simultaneously, and secondary sun gear 15 drives the work operation of two stage reducer 14, owing to two stage reducer 14, planetary carrier 6, one-level clutch 17 are the one of combination; So secondary sun gear 15 has also just driven the work of planetary carrier 6, one-level clutch 17; One-level clutch 17 drives the work of secondary clutches 16, and one-level clutch 17 and secondary clutch 16 can uses also capable of being combined separately, this moment since motor shaft 5 do not rotate.Rotor 20 inboard bearings 4 have guaranteed the work of rotor 20, and first fixed screw 8 is fixed together end cap 2 and stator 3, has guaranteed not rotating of stator 3, and motor shaft 5 is a major axis, can play good gearing.When not launching the motor manpower and scrunching, what the output of secondary clutch 16 connect is the rotating disk that manual work scrunches, and manpower scrunches the rotation that drives secondary clutch 16, and motor shaft 5 also rotates thereupon, and other each parts do not rotate.
Because external rotor is 60-150mm among the present invention, internal stator is 50-145mm, and external rotor has 30 magnet steel.Rational in infrastructure, so power of the present invention is big, efficient is high, and low cost of manufacture can be mated with the different electric motor cars of taking turns the footpath.
Embodiment recited above describes preferred implementation of the present invention; Be not that design of the present invention and protection range are limited; Under the prerequisite that does not break away from design concept of the present invention; Common engineers and technicians make technical scheme of the present invention in this area various modification and improvement all should fall into protection scope of the present invention.
Claims (3)
1. the mid-motor of axis external rotor comprises end cap (2), stator (3), bearing (4), motor shaft (5), rotor (20), it is characterized in that: rotor (20) is inboard to be installed on the motor shaft (5) through bearing (4); Stator (3) is inboard to be installed on the motor shaft (5) through bearing (4), and winding coil (21) is installed in the outside of stator (3), and rotor (20) is in the outside of stator (3); Stator (3) is corresponding with the position of rotor (20), and magnet steel (1) is positioned between stator (3), the rotor (20), and magnet steel (1) is installed on the rotor (20); The output of rotor (20) connects one-level sun gear (11); One-level sun gear (11) connects one-level decelerator (12) in the radial direction at it, and one-level sun gear (11) connects secondary sun gear (15) in a lateral direction at it, and secondary sun gear (15) connects two stage reducer (14) in the radial direction at it; Secondary sun gear (15) connects planetary carrier (6) in a lateral direction at it; Planetary carrier (6) go up to be installed planetary gear pillar (7), and planetary gear pillar (7) is gone up planetary gear (23) is installed, and planetary gear (23) and two stage reducer (14) be toe joint mutually; Planetary carrier (6) connects one-level clutch (17), and one-level clutch (17) connects secondary clutch (16); Support (6) is at its end cap of suit (2) in the radial direction; The outside of stator (3) is equipped with another end cap (2); End cap (2) is provided with bearing (4), and two end caps (2) connect shell (13) through second fixed screw (9), and lead-out wire (22) passes end cap (2) connection winding coil (21); Bearing (4), planetary carrier (6), stator (3), one-level sun gear (11), one-level decelerator (12), two stage reducer (14), secondary sun gear (15), secondary clutch (16), one-level clutch (17) all are installed on the motor shaft (5).
2. the mid-motor of a kind of axis external rotor according to claim 1 is characterized in that: said stator (3) is fixed together through first fixed screw (8) with end cap (2), and motor shaft (5) is a straight-through axle; Said two stage reducer (14), planetary carrier (6), the one of one-level clutch (17) for making up.
3. the mid-motor of a kind of axis external rotor according to claim 1 is characterized in that: all toe joint is in being total to rail gear ring (18) for described one-level decelerator (12), two stage reducer (14), and rail gear ring (18) is installed on the shell (13) altogether; One-level sun gear (11) is installed dividing plate (19) in the radial direction at it, and dividing plate (19) is positioned between one-level decelerator (12) and the rotor (20), and dividing plate (19) connects shell (13), between dividing plate (19) and the one-level sun gear (11) oil sealing (10) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110249388A CN102332778A (en) | 2011-08-21 | 2011-08-21 | Through-shaft outer-rotor built-in motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110249388A CN102332778A (en) | 2011-08-21 | 2011-08-21 | Through-shaft outer-rotor built-in motor |
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| Publication Number | Publication Date |
|---|---|
| CN102332778A true CN102332778A (en) | 2012-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110249388A Pending CN102332778A (en) | 2011-08-21 | 2011-08-21 | Through-shaft outer-rotor built-in motor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512381A (en) * | 2018-06-08 | 2018-09-07 | 重庆大学 | The integrated wheel hub motor of novel high-performance |
| WO2020143340A1 (en) * | 2019-01-11 | 2020-07-16 | 苏州盛亿电机有限公司 | Compact mid-drive motor using single-stage gear reduction drive |
| CN113691073A (en) * | 2021-08-13 | 2021-11-23 | 黑龙江惠达科技发展有限公司 | Direct drive motor with planetary reduction mechanism |
| CN114421685A (en) * | 2021-12-30 | 2022-04-29 | 盐城工学院 | Variable motor capable of improving torque force |
| TWI846595B (en) * | 2023-07-17 | 2024-06-21 | 台達電子工業股份有限公司 | Power module of electric assisted bicycle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5019755A (en) * | 1989-04-11 | 1991-05-28 | Walker David E | Electric motor drive system |
| JP2003097402A (en) * | 2001-09-27 | 2003-04-03 | Mitsubishi Electric Corp | Transmission device for vehicle |
| CN101764463A (en) * | 2010-03-04 | 2010-06-30 | 宁波北斗科技有限公司 | Center shaft type electromobile motor |
| CN201667582U (en) * | 2010-01-21 | 2010-12-08 | 张宏艳 | Motor-driven speed changing device |
| CN102324802A (en) * | 2011-08-12 | 2012-01-18 | 张晓舜 | Multi-stage speed-reducing bidirectional clutch export structure device |
| CN202218107U (en) * | 2011-08-21 | 2012-05-09 | 张晓舜 | Through shaft external rotor built-in motor |
-
2011
- 2011-08-21 CN CN201110249388A patent/CN102332778A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5019755A (en) * | 1989-04-11 | 1991-05-28 | Walker David E | Electric motor drive system |
| JP2003097402A (en) * | 2001-09-27 | 2003-04-03 | Mitsubishi Electric Corp | Transmission device for vehicle |
| CN201667582U (en) * | 2010-01-21 | 2010-12-08 | 张宏艳 | Motor-driven speed changing device |
| CN101764463A (en) * | 2010-03-04 | 2010-06-30 | 宁波北斗科技有限公司 | Center shaft type electromobile motor |
| CN102324802A (en) * | 2011-08-12 | 2012-01-18 | 张晓舜 | Multi-stage speed-reducing bidirectional clutch export structure device |
| CN202218107U (en) * | 2011-08-21 | 2012-05-09 | 张晓舜 | Through shaft external rotor built-in motor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512381A (en) * | 2018-06-08 | 2018-09-07 | 重庆大学 | The integrated wheel hub motor of novel high-performance |
| CN108512381B (en) * | 2018-06-08 | 2024-04-19 | 重庆大学 | Novel high-performance integrated hub motor |
| WO2020143340A1 (en) * | 2019-01-11 | 2020-07-16 | 苏州盛亿电机有限公司 | Compact mid-drive motor using single-stage gear reduction drive |
| CN113691073A (en) * | 2021-08-13 | 2021-11-23 | 黑龙江惠达科技发展有限公司 | Direct drive motor with planetary reduction mechanism |
| CN114421685A (en) * | 2021-12-30 | 2022-04-29 | 盐城工学院 | Variable motor capable of improving torque force |
| CN114421685B (en) * | 2021-12-30 | 2023-11-10 | 盐城工学院 | Can improve variable motor of torsion |
| TWI846595B (en) * | 2023-07-17 | 2024-06-21 | 台達電子工業股份有限公司 | Power module of electric assisted bicycle |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120125 |