CN205248935U - Interior formula magnet steel fixed knot that buries constructs - Google Patents
Interior formula magnet steel fixed knot that buries constructs Download PDFInfo
- Publication number
- CN205248935U CN205248935U CN201520902676.XU CN201520902676U CN205248935U CN 205248935 U CN205248935 U CN 205248935U CN 201520902676 U CN201520902676 U CN 201520902676U CN 205248935 U CN205248935 U CN 205248935U
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- magnet steel
- rotor core
- buries
- constructs
- fixed knot
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Abstract
The utility model discloses an interior formula magnet steel fixed knot that buries constructs, fold including the rotor punching and press rotor core (1) that constitutes, it has a plurality of magnet steel (2) to distribute on the circumference of rotor core (1) to arrange, location platform (5) has been seted up on the radial contact surface of rotor core (1) and magnet steel (2) to leave space (6). This interior formula magnet steel fixed knot that buries constructs has effectively increased the magnetic resistance between adjacent two different polarity magnet steel, reduces the magnetic leakage that produces in rotor core between different polarity, and the magnetic flow that makes the magnet steel produce is more effective to act on the electromechanical conversion with the stator, has improved the magnet steel utilization ratio.
Description
Technical field
The utility model relates to a kind of built-in type magnetic steel fixed structure, is specially adapted to the built-in type magnetic steel fixed structure of brushless motor for automobile rotor.
Background technology
Existing brushless motor for automobile is the following several usual ways of the many employings of fixed electrical machinery rotor magnetic steel: surface-mount type, embedded and built-in type. The magnet steel constant intensity of surface-mount type is lower, and when electric machine rotation, magnet steel easily comes off; Embedded magnet steel constant intensity makes moderate progress than surface-mount type, but production technology is comparatively complicated; The magnet steel constant intensity of conventional built-in type is best, production technology is simple, but the structure of this fixing magnet steel causes the magnetic resistance between the adjacent two opposed polarity magnet steel of rotor less, and the leakage field that opposed polarity magnet steel produces in rotor core is comparatively serious, so the utilization rate of magnet steel is lower.
Utility model content
The problem existing for above-mentioned prior art, the utility model provides a kind of built-in type magnetic steel fixed structure, can effectively increase the magnetic resistance between adjacent two opposed polarity magnet steel, the leakage field that reduces to produce in rotor core between opposed polarity, in the more effective data-collection acting on stator of magnetic flux that magnet steel is produced, improve magnet steel utilization rate.
To achieve these goals, this built-in type magnetic steel fixed structure comprises that rotor punching laminates the rotor core of formation;
Arranged evenly on the circumference of described rotor core have some magnet steel;
On the radially contact-making surface of described rotor core and magnet steel, offer positioning table, and leave space.
Further, on the radially contact-making surface at described rotor core and magnet steel two ends, all offer positioning table and leave space.
Compared with prior art, between the contact-making surface of this built-in type magnetic steel fixed structure by the some magnet steel on the circumference of rotor core arranged evenly, offer the structure in space, effectively increase the magnetic resistance between adjacent two opposed polarity magnet steel, the leakage field that reduces to produce in rotor core between opposed polarity, in the more effective data-collection acting on stator of magnetic flux that magnet steel is produced, improve magnet steel utilization rate.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing of Fig. 1;
In figure: 1, rotor core, 2, magnet steel, 3, rivet, 4, armature spindle, 5, positioning table, 6, space.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
As depicted in figs. 1 and 2, this built-in type magnetic steel fixed structure comprises that rotor punching laminates the rotor core 1 of formation;
Arranged evenly on the circumference of described rotor core 1 have some magnet steel 2;
On the radially contact-making surface of described rotor core 1 and magnet steel 2, offer positioning table 5, and leave space 6.
The space 6 forming in said structure is in effectively fixing magnet steel, make magnet steel and rotor core form certain space in magnet steel radial side, described space 6 can effectively increase the magnetic resistance between adjacent two opposed polarity magnet steel, the leakage field that reduces to produce in rotor core between opposed polarity, in the more effective data-collection acting on stator of magnetic flux that magnet steel is produced, improve magnet steel utilization rate.
Further, on the radially contact-making surface at described rotor core 1 and magnet steel 2 two ends, all offer positioning table 5 and leave space 6, described positioning table 5 can interlacedly be arranged. Further increased the magnetic resistance between adjacent two opposed polarity magnet steel, the leakage field that reduces to produce between opposed polarity in rotor core.
In sum, this built-in type magnetic steel fixed structure has effectively increased the magnetic resistance between adjacent two opposed polarity magnet steel, the leakage field that reduces to produce in rotor core between opposed polarity, in the more effective data-collection acting on stator of magnetic flux that magnet steel is produced, has improved magnet steel utilization rate.
Claims (2)
1. a built-in type magnetic steel fixed structure, is characterized in that,
Comprise that rotor punching laminates the rotor core of formation (1);
Arranged evenly on the circumference of described rotor core (1) have some magnet steel (2);
On the radially contact-making surface of described rotor core (1) and magnet steel (2), offer positioning table (5), and leave space (6).
2. a kind of built-in type magnetic steel fixed structure according to claim 1, is characterized in that,
On the radially contact-making surface at described rotor core (1) and magnet steel (2) two ends, all offer positioning table (5) and leave space (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520902676.XU CN205248935U (en) | 2015-11-13 | 2015-11-13 | Interior formula magnet steel fixed knot that buries constructs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520902676.XU CN205248935U (en) | 2015-11-13 | 2015-11-13 | Interior formula magnet steel fixed knot that buries constructs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205248935U true CN205248935U (en) | 2016-05-18 |
Family
ID=55948005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520902676.XU Active CN205248935U (en) | 2015-11-13 | 2015-11-13 | Interior formula magnet steel fixed knot that buries constructs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205248935U (en) |
-
2015
- 2015-11-13 CN CN201520902676.XU patent/CN205248935U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 221116 Beijing South Road, Copper Mt. New District, Jiangsu, No. 166 Patentee after: Huaihai electrical Polytron Technologies Inc Address before: 221000 No. 166 South Beijing Road, Copper Mt. New District, Jiangsu, Xuzhou Patentee before: Xuzhou Huanhai Zhongyi Motor Industry Co., Ltd. |