CN205070681U - Lead to axle inner rotor in -wheel motor - Google Patents
Lead to axle inner rotor in -wheel motor Download PDFInfo
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- CN205070681U CN205070681U CN201520770932.4U CN201520770932U CN205070681U CN 205070681 U CN205070681 U CN 205070681U CN 201520770932 U CN201520770932 U CN 201520770932U CN 205070681 U CN205070681 U CN 205070681U
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- wheel hub
- main shaft
- planet
- rotor
- axis
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Abstract
The utility model discloses a lead to axle inner rotor in -wheel motor, including main shaft, rotatory assembly at main epaxial wheel hub shell and wheel hub end cover and rotor and stator in locating the wheel hub shell, the rotor pass through planetary gear reducer with the transmission of hub end lid is connected, and the main shaft is a whole axle that leads to, and wear out respectively at its both ends the wheel hub shell with the outside of hub end lid, planetary gear reducer include with fixed and sun gear, the fixed cover of cover the main shaft outside of spider establish main epaxial planet carrier, rotatory a plurality of planet axles that assemble on the planet carrier, fixed set up in each planet axle one end and with the first planet wheel of a plurality of of sun gear meshing, fixed set up in a plurality of second planet wheel of each planet axle other end, fix the clutch of covering at hub end and be connected on the clutch just with each the 2nd planetary gear meshing's ring gear. The utility model discloses this kind of inner rotor in -wheel motor simple structure, convenient assembling, the maintenance of being convenient for.
Description
Technical field
The utility model relates to a kind of wheel hub motor, specifically a kind of axis internal rotor wheel hub motor.
Background technology
In prior art, the main shaft in internal rotor wheel hub motor is not integral structure, and it is divided into three separate shaft parts, that is the main shaft in traditional internal rotor wheel hub motor is made up of three axles, a wherein axle on stator support, rotor exports an axle, an axle on wheel hub end housing.
There is following shortcoming in the internal rotor wheel hub motor of this traditional structure: motor core rotating speed is fast, and electric machine temperature rise is high, requires that machining accuracy is high, and assembly technology is complicated, and manufacturing cost is higher, and after-sale service is complicated.And the structure also more complicated of planetary reducer in existing internal rotor wheel hub motor.
Utility model content
The utility model object is: for the problems referred to above, provides the axis internal rotor wheel hub motor that a kind of structure is simple, easy to assembly, be convenient to maintenance.
The technical solution of the utility model is: a kind of axis internal rotor wheel hub motor, comprise main shaft, rotate and to be assemblied on this main shaft and the wheel hub shell interfixed and wheel hub end housing and be located at and describedly take turns rotor in hub shell and stator, described rotor is in transmission connection by planetary reducer and described wheel hub end housing
Described main shaft is an overall axis, and its two ends pass described outside of taking turns hub shell and described wheel hub end housing respectively;
Described rotor is fixed on rotor field spider, and this rotor field spider is rotated by clutch shaft bearing and is assemblied on described main shaft;
Described planetary reducer comprises to be fixed with described rotor field spider and to be enclosed within the sun gear outside main shaft, fixed cover is located at the planet carrier on described main shaft, rotate the some planet axis be assemblied on described planet carrier, be fixedly installed on described each planet axis one end and several the first row star-wheels engaged with described sun gear, be fixedly installed on several second planetary gears of described each planet axis other end, be fixed on the clutch on described wheel hub end housing, and be connected to the ring gear engaged on described clutch and with described each second planetary gear, described the first row star-wheel and the second planetary gear are arranged in the positive and negative both sides of described planet carrier.
The utility model, on the basis of technique scheme, also comprises following preferred version:
The diameter of described second planetary gear is less than the diameter of described the first row star-wheel.
Described second planetary gear and described planet axis are structure as a whole.
Described stator is fixed on stator support by screw, and described stator support is fixed on described main shaft by screw lock.
Also comprise the planet axis base fixing with described stator support, described planet axis is connected on described planet axis base by the 5th bearing rotary.
Support between described planet carrier and sun gear and be provided with the second bearing.
Described hub shell of taking turns is assemblied on described main shaft by the 3rd bearing rotary, and described wheel hub end housing is assemblied on described main shaft by the 4th bearing rotary, describedly takes turns together with hub shell is fixed by screws in described wheel hub end housing.
Described rotor is that fixing mode of colding pressing is fixed on described rotor field spider.
The utility model has the advantages that: this wheel hub motor of the utility model, its main shaft adopts the bearing structure of integral type, and is not conventionally the multi-segment structure of mutual split, electric machine structure is simplified more, is convenient to assembling and the maintenance work of motor.And the planetary reducer structure that this motor uses is ingenious and compact, job stability is high.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is the structural representation of this axis internal rotor of the utility model embodiment wheel hub motor;
Wherein: 1-main shaft, 2-the 3rd bearing, 3-stator support, 4-takes turns hub shell, 5-rotor, 6-stator, 7-clutch shaft bearing, 8-rotor field spider, 9-sun gear, 10-planet axis base, 11-the 5th bearing, 12-the first row star-wheel, 13-planet axis, 14-planet carrier, 15-second bearing, 16-ring gear, 17-wheel hub end housing, 18-clutch, 19-the 4th bearing, 20-second planetary gear.
Embodiment
Fig. 1 illustrates a specific embodiment of this axis internal rotor of the utility model wheel hub motor, the same with traditional internal rotor wheel hub motor, it also comprises main shaft 1, main shaft 1 is rotated by the 3rd bearing 2 and is equipped with wheel hub shell 4, main shaft 1 is rotated by the 4th bearing 19 and is equipped with wheel hub end housing 17, and wheel is together with hub shell 4 is bolted on wheel hub end housing 17, rotor 5 and stator 6 is provided with in wheel hub shell 4, adopt internal rotor outer stator structure, and rotor 5 is in transmission connection by planetary reducer and described wheel hub end housing 17.
The key improvements of the present embodiment is: described main shaft 1 is an overall axis, and namely main shaft 1 is a monolithic construction, is not conventionally divided into the shaft part that three separate.It is outside that one end of this main shaft 1 passes described hub shell 4 of taking turns, and the other end passes the outside of described wheel hub end housing 17.Described rotor 5 is colded pressing and is fixed on rotor field spider 8, and this rotor field spider 8 is rotated by clutch shaft bearing 7 and is assemblied on main shaft 1.Described planetary reducer comprises to be fixed and the sun gear 9 be enclosed within outside main shaft 1 with rotor field spider 8, fixed cover is located at the planet carrier 14 on main shaft 1, rotate some (this example the is specially three) planet axis 13 be assemblied on described planet carrier 14, be fixedly installed on each planet axis 13 one end and three the first row star-wheels 12 engaged with sun gear 9, be fixedly installed on three the second planetary gears 20 of each planet axis 13 other end, the clutch 18 on wheel hub end housing 17 is fixed on by screw lock, and be connected to the ring gear 16 engaged on described clutch 18 and with each second planetary gear 20, described the first row star-wheel 12 and the second planetary gear 20 are arranged in the positive and negative both sides of described planet carrier 14.Ring gear 16 coordinates with clutch 18 one-way locking, that is: in the left apparent direction of Fig. 1, when the clockwise turn of ring gear 16, ring gear 16 is fastening with clutch 18, and ring gear 16 can be with dynamic clutch 18 synchronous axial system with it; And when the counterclockwise turn of ring gear 16, ring gear 16 and clutch 18 are thrown off, clutch 18 can not transfer.
During electrical power work, rotor 5 rotates and drives sun gear 9 to rotate, sun gear 9 drives the first row star-wheel 12 and the second planetary gear 20 to rotate, second planetary gear 20 drives the ring gear 16 be engaged with to rotate again, now ring gear 16 is fixed with clutch 18, and ring gear 16 is with dynamic clutch 18 synchronous axial system with it, and then drives wheel hub end housing 17 and wheel hub shell 4 to rotate, make rotation of wheel, vehicle forward.
During motor no power, rotor 5 does not rotate, and when people rides, direct driven wheel hub shell 4 and wheel hub end housing 17 rotate, and by clutch 18 centrifugation with ring gear 16, causes sun gear 9 can not transfer.
In the present embodiment, described main shaft 1 adopts the bearing structure of integral type, and electric machine structure is simplified more, is convenient to assembling and the maintenance work of motor.
In this example, the diameter of described second planetary gear 20 is less than the diameter of described the first row star-wheel 12, so can improve the speed ratio of motor, thus overcome the little problem of speed ratio.
Described second planetary gear 20 is an overall structure with planet axis 13, and the two is connected as a single entity.And the first row star-wheel 12 and planet axis 13 are split-type structural, the first row star-wheel 12 is fastened in planet axis 13 by jockey.And second diameter being directly less than planet axis 13 of planetary gear 20, to facilitate the second planetary gear 20, planet axis 13 and the assembling of the first row star-wheel 12 on planet carrier 14.
In this example, described stator 6 is arranged on main shaft 1 by a stator support 3, is specially: stator 6 is fixed on stator support 3 by screw, and stator support 3 is fixed on main shaft 1 by screw lock.
Further, this example is also provided with the fixing planet axis base 10 of described stator support 3, and described planet axis 13 is rotatably connected on described planet axis base 10 by the 5th bearing 11.Like this, in FIG, the left and right two ends of planet axis 13 are rotatably supported on planet carrier 14 and planet axis base 10 respectively, thus effectively prevent the swing of planet axis, ensure that kinetic stability when the first row star-wheel 12 and the second planetary gear 20 work.
In addition, this example supports and is provided with the second bearing 15 between described planet carrier 14 and sun gear 9.Raising sun gear 9 that so can be very large and the concentricity between the first row star-wheel 12 and the second planetary gear 20, also well stabilize the axial location of sun gear 9 simultaneously.
Certainly, above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to people can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalent transformations of doing according to the Spirit Essence of the utility model main technical schemes or modification, all should be encompassed within protection range of the present utility model.
Claims (8)
1. an axis internal rotor wheel hub motor, comprise main shaft (1), rotate to be assemblied in the upper and wheel hub shell (4) interfixed of this main shaft (1) and wheel hub end housing (17) and to be located at and describedly take turns rotor (5) in hub shell (4) and stator (6), described rotor (5) is in transmission connection by planetary reducer and described wheel hub end housing (17), it is characterized in that:
Described main shaft (1) is an overall axis, and its two ends pass described outside of taking turns hub shell (4) and described wheel hub end housing (17) respectively;
Described rotor (5) is fixed on rotor field spider (8), and this rotor field spider (8) is rotated by clutch shaft bearing (7) and is assemblied on described main shaft (1);
Described planetary reducer comprises fixing with described rotor field spider (8) and is enclosed within main shaft (1) sun gear outward (9), fixed cover is located at the planet carrier (14) on described main shaft (1), rotation is assemblied in the some planet axis (13) on described planet carrier (14), be fixedly installed on described each planet axis (13) one end and several the first row star-wheels (12) engaged with described sun gear (9), be fixedly installed on several second planetary gears (20) of described each planet axis (13) other end, be fixed on the clutch (18) on described wheel hub end housing (17), and be connected to the upper and ring gear (16) engaged with described each second planetary gear (20) of described clutch (18), described the first row star-wheel (12) and the second planetary gear (20) are arranged in the positive and negative both sides of described planet carrier (14).
2. axis internal rotor wheel hub motor as claimed in claim 1, is characterized in that: the diameter of described second planetary gear (20) is less than the diameter of described the first row star-wheel (12).
3. axis internal rotor wheel hub motor as claimed in claim 1, is characterized in that: described second planetary gear (20) and described planet axis (13) are structure as a whole.
4. axis internal rotor wheel hub motor as claimed in claim 1, it is characterized in that: described stator (6) is fixed on stator support (3) by screw, and described stator support (3) is fixed on described main shaft (1) by screw lock.
5. axis internal rotor wheel hub motor as claimed in claim 4, it is characterized in that: also comprise the planet axis base (10) fixing with described stator support (3), described planet axis (13) is rotatably connected on described planet axis base (10) by the 5th bearing (11).
6. axis internal rotor wheel hub motor as claimed in claim 1, is characterized in that: support between described planet carrier (14) and sun gear (9) and be provided with the second bearing (15).
7. axis internal rotor wheel hub motor as claimed in claim 1, it is characterized in that: described hub shell (4) of taking turns is assemblied on described main shaft (1) by the 3rd bearing (2) rotation, described wheel hub end housing (17) is rotated by the 4th bearing (19) and is assemblied on described main shaft (1), describedly takes turns hub shell (4) and described wheel hub end housing (17) is fixed by screws in together.
8. axis internal rotor wheel hub motor according to claim 1, is characterized in that: described rotor (5) is that fixing mode of colding pressing is fixed on described rotor field spider (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770932.4U CN205070681U (en) | 2015-09-30 | 2015-09-30 | Lead to axle inner rotor in -wheel motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770932.4U CN205070681U (en) | 2015-09-30 | 2015-09-30 | Lead to axle inner rotor in -wheel motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205070681U true CN205070681U (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520770932.4U Active CN205070681U (en) | 2015-09-30 | 2015-09-30 | Lead to axle inner rotor in -wheel motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205070681U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828076A (en) * | 2017-03-31 | 2017-06-13 | 重庆大学 | Electric wheel hub with wheel-side reduction device |
| CN109861449A (en) * | 2017-11-30 | 2019-06-07 | 宁波麦思动力***有限公司 | A kind of hub motor and electric bicycle |
| CN110365159A (en) * | 2019-09-04 | 2019-10-22 | 深圳小象电动科技有限公司 | A kind of three output motors |
| CN111525732A (en) * | 2020-05-22 | 2020-08-11 | 苏州盛亿电机有限公司 | Through shaft type hub motor |
-
2015
- 2015-09-30 CN CN201520770932.4U patent/CN205070681U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828076A (en) * | 2017-03-31 | 2017-06-13 | 重庆大学 | Electric wheel hub with wheel-side reduction device |
| CN109861449A (en) * | 2017-11-30 | 2019-06-07 | 宁波麦思动力***有限公司 | A kind of hub motor and electric bicycle |
| CN110365159A (en) * | 2019-09-04 | 2019-10-22 | 深圳小象电动科技有限公司 | A kind of three output motors |
| CN110365159B (en) * | 2019-09-04 | 2024-05-28 | 深圳小象电动科技有限公司 | Three-output motor |
| CN111525732A (en) * | 2020-05-22 | 2020-08-11 | 苏州盛亿电机有限公司 | Through shaft type hub motor |
| CN111525732B (en) * | 2020-05-22 | 2024-05-31 | 苏州盛亿电机有限公司 | Through shaft type hub motor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |