CN107046339B - Inner rotor in magnetic gear and mounting structure thereof - Google Patents
Inner rotor in magnetic gear and mounting structure thereof Download PDFInfo
- Publication number
- CN107046339B CN107046339B CN201710344193.6A CN201710344193A CN107046339B CN 107046339 B CN107046339 B CN 107046339B CN 201710344193 A CN201710344193 A CN 201710344193A CN 107046339 B CN107046339 B CN 107046339B
- Authority
- CN
- China
- Prior art keywords
- inner rotor
- end cover
- magnetic gear
- bearing
- motor
- 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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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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/165—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses an inner rotor in a magnetic gear and an installation structure thereof, which comprise a front end cover and a first bearing, wherein the front end cover is fixed on a shell of a motor in the magnetic gear, a connecting shaft plate is connected with a rotating shaft of the motor in a key way, and an inner rotor core is rotationally connected on the front end cover through the first bearing. The left end fulcrum of the inner rotor is connected with the motor rotating shaft by the key, the right end of the inner rotor is supported on the front end cover by the first bearing, the structural arrangement is reasonable, the support stability of the inner rotor is good, the occupied space is small, and the reduction of the integral structure of the magnetic gear is facilitated.
Description
Technical field:
the invention relates to an inner rotor in a magnetic gear and an installation structure thereof.
The background technology is as follows:
An inner rotor in the existing magnetic gear is connected with a motor rotating shaft through keys, the positioning effect is poor, and occupied space is large.
Therefore, there is a need for an improvement over the prior art to address the deficiencies of the prior art.
The invention comprises the following steps:
The present invention is to solve the above-mentioned problems of the prior art and to provide an inner rotor in a magnetic gear and an installation structure thereof.
The invention adopts the technical scheme that: the inner rotor in the magnetic gear comprises a connecting shaft plate, an inner rotor core and inner rotor magnetic steels, wherein the connecting shaft plate is inserted into the inner rotor core, and a plurality of inner rotor magnetic steels are uniformly distributed on the outer circumferential wall of the inner rotor core.
Further, the inner rotor core is of a cylindrical structure, a plurality of connecting convex ribs are uniformly distributed on the inner circumferential wall at one side of the inner rotor core, and connecting slots matched with the connecting convex ribs are formed in the outer circumferential wall of the connecting shaft plate.
The invention also provides an installation structure of the inner rotor, which comprises a front end cover and a first bearing, wherein the front end cover is fixed on a shell of the motor in the magnetic gear, a connecting shaft plate is connected with a rotating shaft of the motor in a key way, and an inner rotor core is rotationally connected on the front end cover through the first bearing.
Further, the front end cover is provided with a circular body, a shaft hole is arranged at the center of the body, and a circular protruding part for supporting the first bearing is arranged on one side surface of the body.
The left end fulcrum of the inner rotor is connected with the motor rotating shaft by the key, the right end of the inner rotor is supported on the front end cover by the first bearing, the structural arrangement is reasonable, the support stability of the inner rotor is good, the occupied space is small, and the reduction of the integral structure of the magnetic gear is facilitated.
Description of the drawings:
Fig. 1 is a block diagram of an inner rotor of the present invention.
Fig. 2 is a structural view of an inner rotor core in the inner rotor of fig. 1.
Fig. 3 is a structural view of the coupling plate in the inner rotor of fig. 1.
Fig. 4 is a sectional view showing the installation structure of the inner rotor in the magnetic gear according to the present invention.
Fig. 5 is a structural view of the front cover in the present invention.
The specific embodiment is as follows:
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, an inner rotor in a magnetic gear of the present invention includes a coupling plate 21, an inner rotor core 22 and inner rotor magnetic steels 23, the inner rotor core 22 has a cylindrical structure, a plurality of connection ribs 221 are uniformly distributed on an inner circumferential wall at one side of the inner rotor core 22, correspondingly, connection slots 211 adapted to the connection ribs 211 are provided on an outer circumferential wall of the coupling plate 21, the coupling plate 21 is inserted into the inner rotor core 22, and a plurality of inner rotor magnetic steels 23 are uniformly distributed on an outer circumferential wall of the inner rotor core 22. The installation structure of the inner rotor magnetic steel 23 on the inner rotor core 22 is the same as the installation structure of the magnetic steel on the rotor core in the prior art, so the description of the invention is not repeated.
The invention provides an installation structure of an inner rotor, which is better to install the inner rotor in a magnetic gear, and comprises a front end cover 4 and a first bearing 71, wherein the front end cover 4 is fixed on a shell 8 of a motor in the magnetic gear, a connecting shaft plate 21 of the inner rotor is in key connection with a rotating shaft 81 of the motor, and an inner rotor core 22 is rotatably connected on the front end cover 4 through the first bearing 71.
In order to support the inner rotor core 22 on the front end cover 4, the front end cover 4 of the present invention has the following structure: the front end cover 4 has a circular body 41 with a shaft hole at the center of the body, a circular boss 42 is provided on one side of the body 41, and the inner rotor core 22 of the inner rotor is rotatably supported on the circular boss 42 by a first bearing 71.
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 (1)
1. An installation structure of an inner rotor in a magnetic gear is characterized in that: the novel high-efficiency high-speed motor comprises a connecting shaft plate (21), an inner rotor iron core (22) and inner rotor magnetic steels (23), wherein the connecting shaft plate (21) is inserted into the inner rotor iron core (22), and a plurality of inner rotor magnetic steels (23) are uniformly distributed on the outer circumferential wall of the inner rotor iron core (22); the inner rotor core (22) is of a cylindrical structure, a plurality of connecting ribs (221) are uniformly distributed on the inner circumferential wall at one side of the inner rotor core (22), and connecting slots (211) matched with the connecting ribs (221) are formed in the outer circumferential wall of the connecting shaft plate (21);
The motor also comprises a front end cover (4) and a first bearing (71), wherein the front end cover (4) is fixed on a shell of the motor in the magnetic gear, a connecting shaft plate (21) is connected with a rotating shaft of the motor in a key way, and an inner rotor iron core (22) is rotationally connected on the front end cover (4) through the first bearing (71);
The front end cover (4) is provided with a circular body (41), a shaft hole is arranged at the center of the body, and a circular protruding part (42) for radially supporting the first bearing (71) is arranged on one side surface of the body (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344193.6A CN107046339B (en) | 2017-05-16 | 2017-05-16 | Inner rotor in magnetic gear and mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344193.6A CN107046339B (en) | 2017-05-16 | 2017-05-16 | Inner rotor in magnetic gear and mounting structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107046339A CN107046339A (en) | 2017-08-15 |
| CN107046339B true CN107046339B (en) | 2024-05-31 |
Family
ID=59547111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710344193.6A Active CN107046339B (en) | 2017-05-16 | 2017-05-16 | Inner rotor in magnetic gear and mounting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107046339B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102016358A (en) * | 2008-02-21 | 2011-04-13 | 马格诺麦克斯有限公司 | Variable magnetic gears |
| CN202931157U (en) * | 2012-10-10 | 2013-05-08 | 南通大任永磁电机制造有限公司 | Permanent-magnetic synchronous motor of automatic door |
| CN206962558U (en) * | 2017-05-16 | 2018-02-02 | 深圳市赫瑞科技有限公司 | Internal rotor and its mounting structure in a kind of magnetic gear |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006004537A1 (en) * | 2006-02-01 | 2007-08-02 | Volkswagen Ag | Electric machine |
| US20130320681A1 (en) * | 2012-06-04 | 2013-12-05 | TECO Westinghouse | Apparatus, system, and method for multi-stage high gear ratio high torque magnetic gear |
-
2017
- 2017-05-16 CN CN201710344193.6A patent/CN107046339B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102016358A (en) * | 2008-02-21 | 2011-04-13 | 马格诺麦克斯有限公司 | Variable magnetic gears |
| CN202931157U (en) * | 2012-10-10 | 2013-05-08 | 南通大任永磁电机制造有限公司 | Permanent-magnetic synchronous motor of automatic door |
| CN206962558U (en) * | 2017-05-16 | 2018-02-02 | 深圳市赫瑞科技有限公司 | Internal rotor and its mounting structure in a kind of magnetic gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107046339A (en) | 2017-08-15 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |