CN211046596U - Motor rotor and magnetic steel mounting structure - Google Patents
Motor rotor and magnetic steel mounting structure Download PDFInfo
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- CN211046596U CN211046596U CN201922362491.5U CN201922362491U CN211046596U CN 211046596 U CN211046596 U CN 211046596U CN 201922362491 U CN201922362491 U CN 201922362491U CN 211046596 U CN211046596 U CN 211046596U
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- steel sheet
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- arc magnetism
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses an electric motor rotor and magnet steel mounting structure. It includes the rotor, and the rotor periphery is equipped with and is equipped with a plurality of circles of magnet steel group along axial direction, each magnet steel group includes 1 first arc magnetism steel sheet and a plurality of second arc magnetism steel sheet, and the arc length of first arc magnetism steel sheet is greater than the arc length of second arc magnetism steel sheet, and 1 circle is connected through a plurality of second arc magnetism steel sheets in first arc magnetism steel sheet both ends magnet steel group, first arc magnetism steel sheet and second arc magnetism steel sheet, second arc magnetism steel sheet and the second arc magnetism steel sheet between be formed with the chute, the rotatory 180 settings of first arc magnetism steel sheet of adjacent magnet steel group. The utility model has the advantages of reasonable design, adjacent chute staggers, reaches and reduces tooth's socket torque, improves motor complete machine vibration and noise and startability, and first arc magnetic steel sheet and second arc magnetic steel sheet can accurately be fixed on rotor core, make things convenient for rotor core to be connected with the pivot, and the rotor need not process the keyway, simplifies the equipment process.
Description
Technical Field
The utility model belongs to the technical field of the PMSM technique and specifically relates to an electric motor rotor and magnet steel mounting structure.
Background
Present table pastes formula electric motor rotor, it includes rotor and 3 at least circle magnet steel groups, magnet steel group sets up in the rotor periphery along the rotor axial, each magnet steel group has polylith magnet steel to constitute, be formed with the chute between the adjacent magnet steel, the chute of adjacent magnet steel group constitutes the electric motor rotor chute jointly, the chute of adjacent magnet steel group is unaligned, above-mentioned electric motor rotor structure, because arbitrary magnet steel all need assemble with the rotor periphery, the equipment process is numerous and diverse, low in production efficiency, moreover, the rotor core of rotor needs to correspond with the magnet steel position, the rotor core is numerous and diverse equally with the equipment process of rotor shaft, production efficiency has further been reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric motor rotor and magnet steel mounting structure convenient to equipment.
The purpose of the utility model is realized like this:
the utility model provides an electric motor rotor and magnet steel mounting structure, includes the rotor, and the rotor periphery is equipped with and is equipped with a plurality of circles of magnet steel group along axial direction, each magnet steel group includes 1 first arc magnetism steel sheet and a plurality of second arc magnetism steel sheet, and the arc length of first arc magnetism steel sheet is greater than the arc length of second arc magnetism steel sheet, is formed with the chute between first arc magnetism steel sheet and the second arc magnetism steel sheet, second arc magnetism steel sheet and the second arc magnetism steel sheet, and 1 circle is connected through a plurality of second arc magnetism steel sheets in first arc magnetism steel sheet both ends magnet steel group, the rotatory 180 settings of first arc magnetism steel sheet of adjacent magnet steel group.
The purpose of the utility model can also adopt the following technical measures to solve:
further, the radian of the first arc-shaped magnetic steel sheet is the same as that of the second arc-shaped magnetic steel sheet.
Further, first arc magnetism steel sheet inside wall is equipped with first boss, and the rotor periphery corresponds first boss and is equipped with first fluting, and first arc magnetism steel sheet is connected with the rotor periphery, and first boss inserts in the first fluting, and second arc magnetism steel sheet inside wall is equipped with the second boss, and the rotor periphery corresponds the second boss and is equipped with the second fluting, and second arc magnetism steel sheet is connected with the rotor periphery, and the second boss inserts in the second fluting.
Further, the rotor includes a plurality of rotor core, and a plurality of rotor core divide into 3 at least groups, and rotor core group quantity and magnet steel group quantity one-to-one, the rotatory 180 settings of first fluting of adjacent rotor core group.
Further, the rotor includes the pivot, and rotor core center is equipped with the shaft hole, and the jack edge is equipped with the even number constant head tank, uses the axle center in shaft hole to set up as central annular equidistance interval between the constant head tank, and the even number constant head tank of adjacent rotor core group aligns, and the pivot periphery corresponds the even number constant head tank and is equipped with a plurality of location archs along its axial, and in the pivot inserted the shaft hole, the location arch inserted in the even number constant head tank that corresponds.
Furthermore, the even number positioning grooves are arc-shaped grooves, and the outer side surfaces of the corresponding positioning protrusions are arc surfaces.
The utility model has the advantages of reasonable design, the rotatory 180 settings of first arc magnetism steel sheet of adjacent magnet steel group, make the chute of adjacent magnet steel group stagger, it reduces tooth's socket torque to reach, improve motor complete machine vibration and noise and startability, first boss, the second boss, first fluting and the cooperation of second fluting, be convenient for first arc magnetism steel sheet and the accurate fixing of second arc magnetism steel sheet on rotor core, even number constant head tank and the protruding cooperation in location, rotate 180 installations between each rotor core, make things convenient for rotor core to be connected with the pivot, the rotor need not process the keyway, the simplified assembly process.
Drawings
Fig. 1 is a perspective view of a first embodiment.
Fig. 2 is a front view of an embodiment stone.
Fig. 3 is a sectional view taken along line a-a in fig. 2.
Fig. 4 is a sectional view taken along line B-B in fig. 2.
Fig. 5 is a cross-sectional view taken along line C-C in fig. 2.
Detailed Description
The invention is further illustrated by the following figures and examples.
In a first embodiment, as shown in fig. 1-5, a motor rotor and magnetic steel mounting structure includes a rotor 1, where the rotor 1 includes a rotating shaft 11, a plurality of rotor cores 12 and 7 magnetic steel groups 2, an even number of positioning protrusions 13 are disposed on the periphery of the rotating shaft 11, the positioning protrusions 13 are arranged at equal intervals in a ring shape with the shaft center of the rotating shaft 11 as the center, a shaft hole 14 is disposed in the center of each rotor core 12, an even number of positioning grooves 15 are disposed at the edge of the insertion hole, the positioning grooves 15 are disposed at equal intervals in a ring shape with the shaft center of the shaft hole 14 as the center, where the rotor cores 12 are divided into 7 rotor core groups, 1 first slot 16 and 7 second slots 17 are formed on the periphery of each rotor core group, the first slot 16 and the second slot 17 are disposed at equal intervals in a ring shape with the shaft center of the shaft hole 14 as the center, the intervals between the second slots 17 are equal, and the intervals between the, and the spacing between the first slot 16 and the second slot 17 is greater than the spacing between the second slot 17 and the second slot 17.
Wherein, the first fluting 16 of adjacent rotor iron core group is rotatory 180 settings, and constant head tank 15 is the arc wall, and the lateral surface of the protruding 13 of corresponding location is the cambered surface, and the rotor iron core 12 of being convenient for is installed in pivot 11.
7 circle magnet steel group 2 arranges along 11 axial directions in pivot, each magnet steel group 2 includes 1 first arc magnetism steel sheet 21 and 7 second arc magnetism steel sheet 22, first arc magnetism steel sheet 21 inside wall is equipped with first boss 23, second arc magnetism steel sheet 22 inside wall is equipped with second boss 24, first arc magnetism steel sheet 21 is the same with second arc magnetism steel sheet 22's radian, first arc magnetism steel sheet 21's arc length is greater than second arc magnetism steel sheet 22's arc length, between first arc magnetism steel sheet 21 and the second arc magnetism steel sheet 22, all be formed with chute 20 between second arc magnetism steel sheet 22 and the second arc magnetism steel sheet 22.
First arc magnetic steel sheet 21 is connected with rotor 1 periphery, first boss 23 inserts in first fluting 16, second arc magnetic steel sheet 22 is connected with rotor 1 periphery, second boss 24 inserts in second fluting 17, all magnet steel group 2 installation backs, the magnet steel group 2 that is located both ends is equipped with end plate 3 respectively, two end plate 3 press from both sides all magnet steel group 2 tightly, thereby reach the purpose that makes the rotatory 180 settings of first arc magnetic steel sheet 21 of adjacent magnet steel group 2, arbitrary chute 20 of adjacent magnet steel group 2 staggers promptly, arbitrary chute 20 of the magnet steel group 2 of separating all aligns.
Of course, the magnetic steel group 2 may be set to 2 groups, 3 groups, 4 groups, 5 groups, etc., 6 groups … …, etc.
Claims (6)
1. The utility model provides an electric motor rotor and magnet steel mounting structure, includes the rotor, the rotor periphery is equipped with and is equipped with a plurality of rings of magnet steel group, its characterized in that along axial direction: each magnet steel group includes 1 first arc magnetism steel sheet and a plurality of second arc magnetism steel sheet, and the arc length of first arc magnetism steel sheet is greater than the arc length of second arc magnetism steel sheet, and 1 circle is connected through a plurality of second arc magnetism steel sheets in first arc magnetism steel sheet both ends magnet steel group is formed with the chute between first arc magnetism steel sheet and second arc magnetism steel sheet, second arc magnetism steel sheet and the second arc magnetism steel sheet, and the first arc magnetism steel sheet of adjacent magnet steel group is rotatory 180 settings.
2. The motor rotor and magnetic steel mounting structure of claim 1, wherein: the radian of the first arc-shaped magnetic steel sheet is the same as that of the second arc-shaped magnetic steel sheet.
3. The motor rotor and magnetic steel mounting structure of claim 1, wherein: first arc magnetism steel sheet inside wall is equipped with first boss, and the rotor periphery corresponds first boss and is equipped with first fluting, and first arc magnetism steel sheet is connected with the rotor periphery, and first boss inserts in the first fluting, and second arc magnetism steel sheet inside wall is equipped with the second boss, and the rotor periphery corresponds the second boss and is equipped with the second fluting, and second arc magnetism steel sheet is connected with the rotor periphery, and the second boss inserts in the second fluting.
4. The motor rotor and magnetic steel mounting structure of claim 3, wherein: the rotor includes a plurality of rotor cores, and a plurality of rotor cores divide into 3 groups at least, and rotor core group quantity and magnet steel group quantity one-to-one, the rotatory 180 settings of first fluting of adjacent rotor core group.
5. The motor rotor and magnetic steel mounting structure of claim 4, wherein: the rotor includes the pivot, and the rotor core center is equipped with the shaft hole, and the jack edge is equipped with the even number constant head tank, uses the axle center in shaft hole to set up as central annular equidistance interval between the constant head tank, and the even number constant head tank of adjacent rotor core group aligns, and it is protruding that the pivot periphery corresponds the even number constant head tank and is equipped with a plurality of location along its axial, and in the pivot inserted the shaft hole, the location was protruding to insert in the even number constant head tank.
6. The motor rotor and magnetic steel mounting structure of claim 5, wherein: the even number constant head tank is the arc wall, and the bellied lateral surface in location that corresponds is the cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922362491.5U CN211046596U (en) | 2019-12-25 | 2019-12-25 | Motor rotor and magnetic steel mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922362491.5U CN211046596U (en) | 2019-12-25 | 2019-12-25 | Motor rotor and magnetic steel mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211046596U true CN211046596U (en) | 2020-07-17 |
Family
ID=71535656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922362491.5U Active CN211046596U (en) | 2019-12-25 | 2019-12-25 | Motor rotor and magnetic steel mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211046596U (en) |
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2019
- 2019-12-25 CN CN201922362491.5U patent/CN211046596U/en active Active
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