CN106921234B - Magnetic gear outer rotor mounting structure - Google Patents
Magnetic gear outer rotor mounting structure Download PDFInfo
- Publication number
- CN106921234B CN106921234B CN201710345122.8A CN201710345122A CN106921234B CN 106921234 B CN106921234 B CN 106921234B CN 201710345122 A CN201710345122 A CN 201710345122A CN 106921234 B CN106921234 B CN 106921234B
- Authority
- CN
- China
- Prior art keywords
- outer rotor
- bearing
- pressing ring
- magnetic gear
- bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a magnetic gear outer rotor mounting structure, which comprises outer rotor magnetic steel and an outer rotor iron core formed by mutually overlapping a plurality of outer rotor punching sheets, and comprises a rear bracket, a front bracket, a first bearing, a second bearing, a first pressing ring and a second pressing ring, wherein the rear bracket is rotatably supported on a front end cover of a motor in a magnetic gear through the second bearing, the front bracket is rotatably supported on a rotating shaft of the motor through the first bearing, the front bracket and the rear bracket are respectively fixedly connected with the outer rotor iron core, the first pressing ring is fixed on the rear bracket, the second pressing ring is fixed on the front end cover, and the second pressing ring and the first pressing ring are respectively abutted against an inner ring and an outer ring of the second bearing. The invention has reasonable structural arrangement, good support stability of the outer rotor and small installation space of the outer rotor, and is beneficial to reducing the whole structure of the magnetic gear.
Description
Technical Field
The invention relates to a magnetic gear outer rotor mounting structure.
Background
A magnetic gear is a novel gear which uses magnetic force to transmit torque. In the magnetic gear transmission process, the inner rotor and the outer rotor are not contacted, friction resistance is avoided, abrasion is avoided, noise is avoided, mechanical fatigue, friction loss, vibration noise and the like are eliminated, and the magnetic gear transmission device is widely applied.
In the existing outer rotor of the magnetic gear, the outer shell of the magnetic gear is directly supported, the structural arrangement is unreasonable, and after the inner rotor rotates at a high speed, the positioning effect of the outer rotor is poor.
Therefore, there is a need for an improvement over the prior art to address the deficiencies of the prior art.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a magnetic gear outer rotor mounting structure.
The invention adopts the technical scheme that: the outer rotor comprises outer rotor magnetic steel and an outer rotor iron core formed by mutually overlapping a plurality of outer rotor punching sheets, and comprises a rear support, a front support, a first bearing, a second bearing, a first pressing ring and a second pressing ring, wherein the rear support is rotatably supported on a front end cover of a motor in the magnetic gear through the second bearing, the front support is rotatably supported on a rotating shaft of the motor through the first bearing, the front support and the rear support are respectively fixedly connected with the outer rotor iron core, the first pressing ring is fixed on the rear support, the second pressing ring is fixed on the front end cover, and the second pressing ring and the first pressing ring are respectively abutted on an inner ring and an outer ring of the second bearing.
Further, a first positioning protruding portion for positioning one end face of the outer rotor core is arranged on the inner circumferential wall of the rear support.
Further, a first threaded hole is formed in the first positioning protruding portion.
Further, a second positioning protruding portion for positioning the other end face of the outer rotor core is arranged on the inner circumferential wall of the front support.
Further, a blind hole is formed in the center of the front support; the second positioning protruding part is provided with a second threaded hole.
Further, a third threaded hole is formed in the outer rotor core.
Further, the first bearing is a deep groove ball bearing, and the second bearing is a crossed roller bearing.
The invention uses the front end cover as a fulcrum, the right is a motor part, and the left is a magnetic gear part; the outer rotor is fixed by preceding, back support, and the preceding support passes through first bearing to be supported and forms the left end fulcrum of outer rotor on motor rotor, and the back support passes through the second bearing to be supported on the front end lid, and first, two clamping rings lock, form the right-hand member fulcrum of outer rotor, and the beneficial effect who produces from this is: the invention has reasonable structural arrangement, good support stability of the outer rotor and small installation space of the outer rotor, and is beneficial to reducing the whole structure of the magnetic gear.
Drawings
Fig. 1 is a cross-sectional view of an outer rotor in a magnetic gear.
Fig. 2 is a structural view of an outer rotor in the present invention.
Fig. 3 is a structural view of the rear bracket in the present invention.
Fig. 4 is a three-dimensional structural view of a front bracket in the present invention.
Fig. 5 is a plan view of the front bracket according to the present invention.
Fig. 6 is a sectional view of the outer rotor installed in the magnetic gear.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the outer rotor mounting structure of the magnetic gear of the present invention comprises a rear bracket 5, a front bracket 6, a first bearing 71, a second bearing 72, a first pressing ring 81 and a second pressing ring 82, wherein the outer rotor comprises an outer rotor magnetic steel 31 and an outer rotor iron core 32 formed by mutually overlapping a plurality of outer rotor punching sheets, the rear bracket 5 is rotatably supported on a front end cover 92 of a motor in the magnetic gear through the second bearing 72, the front bracket 6 is rotatably supported on a rotating shaft 91 of the motor through the first bearing 71, the front bracket 6 and the rear bracket 5 are respectively fixedly connected with the outer rotor iron core 32, the first pressing ring 81 is fixed on the rear bracket 5, the second pressing ring 82 is fixed on the front end cover 92, and the second pressing ring 82 and the first pressing ring 81 are respectively abutted on an inner ring and an outer ring of the second bearing 72.
As shown in fig. 3 to 5, in order to facilitate the abutment of the rear bracket 5 against the outer rotor core 32 of the outer rotor, a first positioning boss 51 for positioning one end surface of the outer rotor core 32 is provided on the inner circumferential wall of the rear bracket 5.
In order to facilitate the abutment of the front bracket 6 against the outer rotor core 32 of the outer rotor, a second positioning boss 62 for positioning the other end face of the outer rotor core 32 is provided on the inner circumferential wall of the front bracket 6.
The front and rear brackets are connected with the outer rotor core 32 of the outer rotor through screws. A first screw hole 53 is provided in the first positioning boss 51 of the rear bracket 5; a second threaded hole 63 is formed in the second positioning boss 62 of the front bracket 6; the outer rotor core 32 is provided with a third screw hole 33. The first screw hole 53, the second screw hole 63 and the third screw hole 33 are communicated with each other.
A blind hole 61 is provided at the center of the front bracket 6, and a first bearing 71 is disposed in the blind hole 61.
The first bearing 71 in the present invention is a deep groove ball bearing, and the second bearing 72 is a cross roller bearing.
Referring to fig. 6, the inner rotor 2 of the magnetic gear is arranged in the outer rotor, and the outer rotor of the magnetic gear is supported on the front end cover 92 of the motor in the magnetic gear through the front bracket, the rear bracket, the first pressing ring and the second pressing ring, so that the supporting effect is good.
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.
Claims (5)
1. The utility model provides a magnetic gear external rotor mounting structure, the external rotor includes external rotor magnet steel (31) and by a plurality of external rotor punching each other superimposed outer rotor core (32) that form, its characterized in that: the motor is characterized by further comprising a rear bracket (5), a front bracket (6), a first bearing (71), a second bearing (72), a first pressing ring (81) and a second pressing ring (82), wherein the rear bracket (5) is rotatably supported on a front end cover of the motor in the magnetic gear through the second bearing (72), the front bracket (6) is rotatably supported on a rotating shaft of the motor through the first bearing (71), the front bracket and the rear bracket are fixedly connected with an outer rotor iron core (32) respectively, the first pressing ring (81) is fixed on the rear bracket (5), the second pressing ring (82) is fixed on the front end cover, and the second pressing ring (82) and the first pressing ring (81) are respectively abutted on an inner ring and an outer ring of the second bearing (72);
a third threaded hole (33) is formed in the outer rotor core (32);
The first bearing (71) is a deep groove ball bearing, and the second bearing (72) is a crossed roller bearing.
2. The magnetic gear outer rotor mounting structure of claim 1, wherein: the inner circumferential wall of the rear bracket (5) is provided with a first positioning protruding part (51) for positioning one end face of the outer rotor core (32).
3. The magnetic gear outer rotor mounting structure of claim 2, wherein: the first positioning protruding portion (51) is provided with a first threaded hole (53).
4. The magnetic gear outer rotor mounting structure of claim 3, wherein: the inner circumferential wall of the front bracket (6) is provided with a second positioning protruding part (62) for positioning the other end face of the outer rotor core (32).
5. The magnetic gear outer rotor mounting structure of claim 4, wherein: a blind hole (61) is formed in the center of the front support (6); a second threaded hole (63) is provided in the second positioning boss (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710345122.8A CN106921234B (en) | 2017-05-16 | 2017-05-16 | Magnetic gear outer rotor mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710345122.8A CN106921234B (en) | 2017-05-16 | 2017-05-16 | Magnetic gear outer rotor mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106921234A CN106921234A (en) | 2017-07-04 |
| CN106921234B true CN106921234B (en) | 2024-05-31 |
Family
ID=59462223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710345122.8A Active CN106921234B (en) | 2017-05-16 | 2017-05-16 | Magnetic gear outer rotor mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106921234B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054871A (en) * | 2017-12-26 | 2018-05-18 | 深圳市赫瑞科技有限公司 | A kind of magnetic speed reducer of tight type |
| CN207612137U (en) * | 2017-12-26 | 2018-07-13 | 深圳市赫瑞科技有限公司 | A kind of adjustable magnetic frame in magnetic speed reducer |
| WO2019144276A1 (en) * | 2018-01-23 | 2019-08-01 | 深圳市赫瑞科技有限公司 | Magnetic-control integrated motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003244871A (en) * | 2002-02-20 | 2003-08-29 | Nissan Motor Co Ltd | Support structure of stator in rotary electric machine |
| AU2008212433A1 (en) * | 2007-02-06 | 2008-08-14 | Honda Motor Co., Ltd. | Motor, rotor structure and magnetic machine |
| CN102647060A (en) * | 2012-04-20 | 2012-08-22 | 上海交通大学 | Magnetic gear compound hub motor |
| CN106100268A (en) * | 2016-08-23 | 2016-11-09 | 江西韵动新能源研究院有限公司 | A kind of inner-outer birotor magneto |
| CN206908407U (en) * | 2017-05-16 | 2018-01-19 | 深圳市赫瑞科技有限公司 | A kind of magnetic gear outer rotor mounting structure |
-
2017
- 2017-05-16 CN CN201710345122.8A patent/CN106921234B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003244871A (en) * | 2002-02-20 | 2003-08-29 | Nissan Motor Co Ltd | Support structure of stator in rotary electric machine |
| AU2008212433A1 (en) * | 2007-02-06 | 2008-08-14 | Honda Motor Co., Ltd. | Motor, rotor structure and magnetic machine |
| CN102647060A (en) * | 2012-04-20 | 2012-08-22 | 上海交通大学 | Magnetic gear compound hub motor |
| CN106100268A (en) * | 2016-08-23 | 2016-11-09 | 江西韵动新能源研究院有限公司 | A kind of inner-outer birotor magneto |
| CN206908407U (en) * | 2017-05-16 | 2018-01-19 | 深圳市赫瑞科技有限公司 | A kind of magnetic gear outer rotor mounting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106921234A (en) | 2017-07-04 |
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