CN202475059U - Magnetic steel-type motor iron core - Google Patents
Magnetic steel-type motor iron core Download PDFInfo
- Publication number
- CN202475059U CN202475059U CN2011205661356U CN201120566135U CN202475059U CN 202475059 U CN202475059 U CN 202475059U CN 2011205661356 U CN2011205661356 U CN 2011205661356U CN 201120566135 U CN201120566135 U CN 201120566135U CN 202475059 U CN202475059 U CN 202475059U
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- China
- Prior art keywords
- magnetic steel
- iron core
- magnet steel
- rotor
- type 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.)
- Expired - Fee Related
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Provided is a magnetic steel-type motor iron core which comprises a body. The magnetic steel-type motor iron core is characterized in that the body is provided with a plurality of magnetic steel grooves which are evenly disposed along the circumference of the body, wherein two mutually independent magnetic steel sheets are embedded in each of the magnetic steel grooves. Compared with the prior art, the magnetic steel-type motor iron core is advantageous in that: conventional single-sheet magnetic steel is divided into two pieces; two magnetic steel sheets are installed inside either magnetic pole and magnetic steel materials are saved; and since the dimensions of each magnetic steel sheet becomes smaller, after assembly, air gaps between a rotor and stators can become smaller, and therefore performance of the motor is improved.
Description
Technical field
The utility model relates to a kind of electric machine iron core.
Background technology
All be fixed with magnetic links on the rotor of permanent-magnet brushless DC electric machine; Like the patent No. is that the Chinese utility model " a kind of permanent-magnet brushless DC electric machine rotor " of ZL201020502806.8 relates to a kind of permanent-magnet brushless DC electric machine rotor; It comprises: rotor core or housing be adhered to the magnet steel on rotor core or the housing, be characterized in: magnet steel and rotor core or housing are injection molded into one.And for example the patent No. is that the Chinese utility model " a kind of brushless DC motor rotor " of ZL200920017665.8 discloses a kind of brushless DC motor rotor; Comprise rotor core, rotor magnetic steel; It is characterized in that: the high strength pyrocondensation film that closely is wrapped with annular on the outer circumference surface of described rotor magnetic steel; After the heat shrinkage film pyrocondensation magnet steel is fastened as one, heat shrinkage film tightly is wrapped on the outer circumference surface of rotor magnetic steel, through the fastening rotor of heat shrinkage film; Under the situation of any high speed, all the phenomenon that magnet steel comes off and flies out can not take place.
But the rotor magnetic steel structure in the above-mentioned patent all is that the whole piece magnet steel is installed on a magnetic pole, and the rotor of motor and the air gap between the stator can't be diminished by the size impact of existing monolithic magnet steel, and then influence motor properties.
The utility model content
The utility model technical problem to be solved is to above-mentioned prior art present situation a kind of magnet steel formula electric machine iron core that can effectively reduce air gap between rotor and the stator to be provided.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of magnet steel formula electric machine iron core; Comprise body; It is characterized in that: said body offers the magnet steel groove that a plurality of edges circumferentially are uniformly distributed with, and is embedded with the magnetic links of two separate settings in each said magnet steel groove.
As preferably, described body is an internal rotor.
Preferred as further, offer the axis hole that can cooperate in the middle of the described body with motor shaft.
Compared with prior art; The advantage of the utility model is: existing monolithic magnet steel is divided into two, two magnetic links are installed in each magnetic pole, saved the magnet steel materials; Because the size decreases of each magnetic links; Make rotor and the air gap between the stator after the assembling to diminish, do not receive the magnet steel size impact, improved motor performance.
Description of drawings
Fig. 1 is the inner rotor core sketch map of the utility model embodiment.
Fig. 2 is the core structure sketch map that internal rotor shown in Figure 1 and stator cooperate.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1; The magnet steel formula electric machine iron core of present embodiment is the internal rotor iron core; This iron core includes internal rotor body 1; Offer the magnet steel groove that a plurality of edges circumferentially are uniformly distributed with on the internal rotor body 1, be embedded with the magnetic links 2 of two separate settings in each magnet steel groove, also offer the axis hole 11 that can cooperate in the middle of the body with motor shaft.
As shown in Figure 2; Be the internal rotor of present embodiment and the structural representation of external stator 3 cooperations; After changing existing single magnetic links into two magnetic links, the size decreases of each magnetic links, each magnetic links is nearer apart from the distance of stator; Make the air gap between internal rotor and the external stator to reduce, help promoting motor properties.
Claims (3)
1. a magnet steel formula electric machine iron core comprises body, it is characterized in that: said body offers the magnet steel groove that a plurality of edges circumferentially are uniformly distributed with, and is embedded with the magnetic links of two separate settings in each said magnet steel groove.
2. magnet steel formula electric machine iron core according to claim 1 is characterized in that: described body is an internal rotor.
3. magnet steel formula electric machine iron core according to claim 2 is characterized in that: offer the axis hole that can cooperate with motor shaft in the middle of the described body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205661356U CN202475059U (en) | 2011-12-29 | 2011-12-29 | Magnetic steel-type motor iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205661356U CN202475059U (en) | 2011-12-29 | 2011-12-29 | Magnetic steel-type motor iron core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202475059U true CN202475059U (en) | 2012-10-03 |
Family
ID=46923183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205661356U Expired - Fee Related CN202475059U (en) | 2011-12-29 | 2011-12-29 | Magnetic steel-type motor iron core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202475059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322749A (en) * | 2014-07-31 | 2016-02-10 | 操纵技术Ip控股公司 | Rotor of brushless motor |
-
2011
- 2011-12-29 CN CN2011205661356U patent/CN202475059U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322749A (en) * | 2014-07-31 | 2016-02-10 | 操纵技术Ip控股公司 | Rotor of brushless motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20131229 |