CN201846150U - Baffle punching sheet of rotor core for starting motor - Google Patents
Baffle punching sheet of rotor core for starting motor Download PDFInfo
- Publication number
- CN201846150U CN201846150U CN2010206079480U CN201020607948U CN201846150U CN 201846150 U CN201846150 U CN 201846150U CN 2010206079480 U CN2010206079480 U CN 2010206079480U CN 201020607948 U CN201020607948 U CN 201020607948U CN 201846150 U CN201846150 U CN 201846150U
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- CN
- China
- Prior art keywords
- rotor core
- punching sheet
- baffle plate
- punching
- rotor
- 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
The utility model relates to a rotor core for a starting motor, in particular to a baffle punching sheet of the rotor core for the starting motor. The baffle punching sheet of the rotor core for the starting motor comprises main bodies of the baffle punching sheet; and axle holes matched with the baffle punching sheet are arranged in the center of the main bodies of the baffle punching sheet. The baffle punching sheet of the rotor core for the starting motor is characterized in that bending teeth connected with the main bodies of the baffle punching sheet are arranged outside the main bodies of the baffle punching sheet; and the bending teeth are vertical to the main bodies of the baffle punching sheet. As the baffle punching sheet of the rotor core for the starting motor adopts the technical scheme, the magnet conducting area of the tooth part of the rotor core can be increased; meanwhile, a coil on the rotor can also be prevented from flying off.
Description
Technical field
The utility model relates to a kind of starter motor rotor core, is specifically related to the punching of a kind of starter motor rotor core baffle plate.
Background technology
Starter motor mainly is made of stator and rotor, its rotor includes rotor core and coil, usually superimposed and be riveted together and constitute rotor core by several rotor punchings, then in the outer surface injection moulding insulation framework of iron core, last on the coiling leg of rotor core outer rim winding around constitute the rotor of starter motor.The magnetic line of force of the magnetic field of permanent magnet on the stator cage passes the coil tooth that is wrapped on the rotor core, after the magnetic field force induced effect of coil-conductor energising, drives the rotor high-speed rotation, enters operating state thereby start corresponding mechanism.
Starter motor requires power big, so that pilot engine smoothly.Want to improve the power of starter motor, can improve in the unit interval magnetic flux, particularly import the magnetic flux of coil by the tooth portion of rotor core by coil.Existing starter motor existing some problems aspect the power raising: the structure at most starter motor teeth groove place be rotor punching superimposed after, the direct baffle plate that the Reinforced Nylon injection moulding forms on the both ends of the surface folder, because teeth groove cylindrical portion magnetic conductive area is less, the magnetic flux that imports coil is also less.
In addition, when the rotor high-speed of starter motor rotated, electromagnetic force and centrifugal force can make and be wrapped in epitrochanterian coil and outwards fly out, and cause the coil wearing and tearing.
The utility model content
The technical problems to be solved in the utility model is: a kind of area that can increase rotor core tooth portion magnetic conduction is provided, can also prevents the iron core baffle plate punching that coil flies out on the rotor simultaneously.
In order to solve the problems of the technologies described above, the utility model provides the punching of a kind of starter motor rotor core baffle plate, include baffle plate punching main body, baffle plate punching main center is provided with and the corresponding axis hole of rotor punching, described baffle plate punching external side of main body is provided with the bending tooth that links to each other with baffle plate punching main body, and this bending tooth is perpendicular to baffle plate punching main body.
Adopt the starter motor rotor core baffle plate punching of technique scheme to have following advantage: 1, coil is wrapped in the tooth portion of rotor core, because baffle plate punching arranged outside has the bending tooth, the bending tooth has certain magnetic conductive area, the magnetic flux that imports coil is increased, improved the power of starter motor; 2, because baffle plate punching arranged outside has the bending tooth, and the bending tooth itself has certain intensity, thereby can block the coil in the teeth groove, make it in high speed rotating, can not guarantee the reliability of machine operation because of powerful electromagnetic force and action of centrifugal force outwards fly out.
As preferred version, in order to reduce the air gap between stator cage and the rotor, the starter motor that reduces to cause because of air gap shakes, and increases the importing of the magnetic line of force to greatest extent, described bending tooth is a circular arc, and its curvature is identical with the outward flange curvature of corresponding rotor punching.
Description of drawings
Fig. 1 is the structural representation of the utility model starter motor rotor core baffle plate punching.
Embodiment
Below in conjunction with drawings and Examples technical solutions of the utility model are further specified:
As shown in Figure 1, the utility model provides the punching of a kind of starter motor rotor core baffle plate, include and the corresponding baffle plate punching of rotor punching main body 1 and the circular arc bending tooth 2 that is connected baffle plate punching main body 1 tooth portion outer rim, the number of bending tooth 2 is 12 (or can have more a plurality of according to the needs of design), bending tooth 2 is perpendicular to baffle plate punching main body 1, and its circular arc curvature is identical with the outward flange curvature of pairing rotor punching, and baffle plate punching main body 1 is provided with the corresponding rotating shaft installing hole 11 of rotor punching.
The baffle plate punching is assembled into rotor punching group two ends and constitutes rotor core, and the tooth portion coiling formation rotor at iron core because bending tooth 2 has increased the magnetic conductive area of rotor tooth portion, increases the magnetic flux that imports coil, has improved the power of starter motor; Because bending tooth 2 has certain intensity, can block the coil in the teeth groove, avoids it to fly out under the situation of high speed rotating.Because bending tooth 2 is a circular arc, and it has dwindled the air gap between stator cage and the rotor, the starter motor that can reduce to cause because of air gap shakes simultaneously, and the performance of starter motor is more stable.
Above-described only is preferred implementation of the present utility model; should be understood that; for a person skilled in the art; under the prerequisite that does not break away from the utility model structure; can also make some distortion and improvement; these also should be considered as protection range of the present utility model, and these can not influence effect and practical applicability that the utility model is implemented.
Claims (2)
1. starter motor rotor core baffle plate punching, include baffle plate punching main body, baffle plate punching main center is provided with and the corresponding axis hole of rotor punching, it is characterized in that: described baffle plate punching external side of main body is provided with the bending tooth that links to each other with baffle plate punching main body, and this bending tooth is perpendicular to baffle plate punching main body.
2. starter motor rotor core baffle plate according to claim 1 punching is characterized in that: described bending tooth is a circular arc, and its curvature is identical with the outward flange curvature of corresponding rotor punching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206079480U CN201846150U (en) | 2010-11-15 | 2010-11-15 | Baffle punching sheet of rotor core for starting motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206079480U CN201846150U (en) | 2010-11-15 | 2010-11-15 | Baffle punching sheet of rotor core for starting motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201846150U true CN201846150U (en) | 2011-05-25 |
Family
ID=44041026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206079480U Expired - Fee Related CN201846150U (en) | 2010-11-15 | 2010-11-15 | Baffle punching sheet of rotor core for starting motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201846150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197787A (en) * | 2020-09-17 | 2021-01-08 | 陕西法士特齿轮有限责任公司 | Electronic odometer sensor rotor and manufacturing method thereof |
-
2010
- 2010-11-15 CN CN2010206079480U patent/CN201846150U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197787A (en) * | 2020-09-17 | 2021-01-08 | 陕西法士特齿轮有限责任公司 | Electronic odometer sensor rotor and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20171115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |