CN201130890Y - Speed variable motor - Google Patents
Speed variable motor Download PDFInfo
- Publication number
- CN201130890Y CN201130890Y CNU2007201995830U CN200720199583U CN201130890Y CN 201130890 Y CN201130890 Y CN 201130890Y CN U2007201995830 U CNU2007201995830 U CN U2007201995830U CN 200720199583 U CN200720199583 U CN 200720199583U CN 201130890 Y CN201130890 Y CN 201130890Y
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- Prior art keywords
- gear
- meshed
- rotor
- motor
- splined shaft
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- Expired - Fee Related
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a speed change motor, which is characterized in that a spline shaft is arranged at the center of a motor rotor, and a sun wheel system is arranged on one terminal of the spline shaft; a segment of outer spline is opened at the periphery of the central part of the spline shaft; a return spring is sleeved on the other end of the spline shaft, which is positioned in a gear shifting electromagnet; a rotor inner spline is arranged at the center of one end face of a rotor driving bracket, which is meshed with the outer spline on the spline shaft; a driving internal gear ring is arranged on one end face of a motor stator support; a planet gear system is pivoted at the inner side end face of the motor casing on the outside of the driving internal gear ring, which is meshed with the driving internal gear ring. The speed change motor has the advantages that the gear shifting speed change and the energy feedback power generation in the condition of speed accelerating in sliding downhill can be realized; the speed acceleration resolves the problem of no energy feedback while low speed sliding, and the power generation downhill resolves the problem of long time braking.
Description
Technical field
The utility model relates to motor, is a kind of gear shift variable speed electric motors, particularly.
Background technology
Motor of the prior art mainly is made up of motor housing, stator and rotor, and its operating state both can just have been changeed also and can have been reversed, and rotating speed is generally immutable.When being assembled into electric bicycle with existing motor, because of it can't realize the climbing requirement of the many multiplications of moment of torsion, in case run into the ramp or can't get on substantially in the hill path, the starting difficulty, therefore make troubles to the user, this just existing electric bicycle is difficult at road the city of fluctuating and the main cause that promote in the small towns are arranged.
Summary of the invention
The purpose of this utility model is, a kind of variable speed electric motors, particularly is provided, and enables to realize shifted, is assembled into such as behind the electric bicycle to reach, and satisfies the requirement of travelling in the ramp.
Realize the utility model of above-mentioned purpose, have general motor total motor housing, motor stator and rotor.Characteristics of the present utility model are, be provided with a splined shaft that is provided with sun train in the one end in the rotor center, on the periphery of this splined shaft middle part, have one section external splines, be set in the gear shift electromagnet after being nested with a return spring on the other end of this splined shaft; Has a rotor internal spline that is meshed with external splines on the splined shaft at an end face center of rotor transmission bracket; On motor stator support one end face, has a transmission ring gear; On the motor housing inner side end in this transmission ring gear outside, be articulated with a planet circular system that is meshed with the transmission ring gear.
The said planet circular system of the utility model can have large and small diameter intermediate gear, and its large diameter main drive gear is meshed with transmission ring gear on the stator support; The sun train that is located at the splined shaft end also has large and small diameter intermediate gear, and wherein the major diameter central gear can be meshed with the small diameter gear of planet circular system, and the minor diameter central gear can be meshed with the major diameter main drive gear of planet circular system.
The utility model also can be provided with an internal tooth hub at the inboard center of the motor housing end face that planet circular system is housed, and said minor diameter central gear can be meshed with this internal tooth hub.
The utility model as mentioned above, because of in motor, being provided with by the sun train of gear shift magnet control and the planet circular system that can be meshed with it, therefore can realize shifted, when being configured to electric bicycle, can travel according to different road surfaces, different ramp realization speed change or climbing with the utility model.The utility model is also configurable on vehicles such as hybrid vehicle.
Description of drawings
Fig. 1 is the cross-sectional schematic of an embodiment of the utility model.
Embodiment
Preferable embodiment of the present invention is a kind of in order to be assembled into the variable speed electric motors, particularly of electric bicycle as shown in the figure.
See by Fig. 1, present embodiment is provided with a motor shaft 1 at motor housing 2 centers, have a motor stator and a rotor in the motor housing 2, stator core 5 and the stator winding 4 that is wound on the iron core 5 are fixed on the stator support 3, constitute motor stator, on stator support 3 one end faces, have a transmission ring gear 9.Rotor is arranged in the inner chamber of motor stator and is set on the motor shaft 1, comprises a rotor transmission bracket 8 and is located at magnet steel 7 on this support periphery, has a rotor internal spline 17 at an end face center of this rotor transmission bracket 8.Seen that by figure present embodiment is provided with a splined shaft 19 that is provided with sun train 15 in the one end in the rotor center, have one section external splines 18 on the periphery of these splined shaft 19 middle parts, rotor internal spline 17 is meshed with this external splines 18.Be nested with on the other end of splined shaft 19 and be set in behind the return spring 22 in the gear shift electromagnet that constitutes by gear shift electromagnetic core 20 and winding 21.See that by figure present embodiment is articulated with a planet circular system 12 that is meshed with transmission ring gear 9 on motor housing 2 inner side ends.This planet circular system 12 has large and small diameter intermediate gear, and its large diameter main drive gear 10 is meshed with transmission ring gear 9 on the stator support 3.The sun train 15 that present embodiment is located at splined shaft 19 ends also has large and small diameter intermediate gear, wherein major diameter central gear 13 can be meshed with the small diameter gear 11 of planet circular system 12, and minor diameter central gear 14 can be meshed with the major diameter main drive gear 10 of planet circular system 12.Seen by figure that again present embodiment is provided with an internal tooth hub 16 at the inboard center of the end face of the motor housing 2 that planet circular system 12 is housed, said minor diameter central gear 14 can be meshed with this internal tooth hub 16.
Present embodiment as mentioned above, when the complete adhesive of gear shift electromagnet splined shaft 19, all gears all do not mesh, and motor is in neutral position.When electromagnet release splined shaft 19 to first gears are put, the small diameter gear 14 of sun train 15 and 10 engagements of the main drive gear of planet circular system 12, this moment, motor was in the low or first gear position.When electromagnet release splined shaft 19 to second gears are put, the gear wheel in large diameter 13 of sun train 15 and 11 engagements of the small diameter gear of planet circular system 12, this moment, motor was in the mid ranger position.When electromagnet discharged splined shaft 19 fully, the small diameter gear 14 internal tooth hubs 16 direct and on the motor housing 2 of sun train 15 were meshed, and realize direct transmission, and this moment, motor was in high range position.
Claims (3)
1. variable speed electric motors, particularly, consist predominantly of motor housing, stator and rotor, it is characterized in that: be provided with a splined shaft that is provided with sun train in the one end in the rotor center, on the periphery of this splined shaft middle part, have one section external splines, be set in the gear shift electromagnet after being nested with a return spring on the other end of this splined shaft; Has a rotor internal spline that is meshed with external splines on the splined shaft at an end face center of rotor transmission bracket; On motor stator support one end face, has a transmission ring gear; On the motor housing inner side end in this transmission ring gear outside, be articulated with a planet circular system that is meshed with the transmission ring gear.
2. according to the described variable speed electric motors, particularly of claim 1, it is characterized in that: said planet circular system has large and small diameter intermediate gear, and its large diameter main drive gear is meshed with transmission ring gear on the stator support; The sun train that is located at the splined shaft end also has large and small diameter intermediate gear, and wherein the major diameter central gear can be meshed with the small diameter gear of planet circular system, and the minor diameter central gear can be meshed with the major diameter main drive gear of planet circular system.
3. according to claim 1 or 2 described variable speed electric motors, particularlies, it is characterized in that: be provided with an internal tooth hub at the inboard center of the motor housing end face that planet circular system is housed, said minor diameter central gear can be meshed with this internal tooth hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201995830U CN201130890Y (en) | 2007-12-21 | 2007-12-21 | Speed variable motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201995830U CN201130890Y (en) | 2007-12-21 | 2007-12-21 | Speed variable motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201130890Y true CN201130890Y (en) | 2008-10-08 |
Family
ID=40018758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201995830U Expired - Fee Related CN201130890Y (en) | 2007-12-21 | 2007-12-21 | Speed variable motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201130890Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951204A (en) * | 2010-03-02 | 2011-01-19 | 高宗大 | Magnetic converting engine |
| EP3989415A4 (en) * | 2020-08-13 | 2022-11-16 | Kwon, Jungwoo | Electric motor with built-in transmission unit |
-
2007
- 2007-12-21 CN CNU2007201995830U patent/CN201130890Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951204A (en) * | 2010-03-02 | 2011-01-19 | 高宗大 | Magnetic converting engine |
| EP3989415A4 (en) * | 2020-08-13 | 2022-11-16 | Kwon, Jungwoo | Electric motor with built-in transmission unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI LVTU AUTOMOTIVE POWER TECHNOLOGY CO., LTD Free format text: FORMER OWNER: LI YUE Effective date: 20110216 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200085 MAILBOX 085-213, SHANGHAI TO: 200003 ROOM 3618, NO. 580, NANJING WEST ROAD, JING AN DISTRICT, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110216 Address after: 200003 room 580, No. 3618, Jingan District, Shanghai, Nanjing West Road Patentee after: Shanghai Green Road Automotive Power Technology Co., Ltd. Address before: 200085 085-213 mailbox, Shanghai City Patentee before: Li Yue |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20111221 |