CN203387309U - Sheet insertion-type magnet motor inner rotor - Google Patents
Sheet insertion-type magnet motor inner rotor Download PDFInfo
- Publication number
- CN203387309U CN203387309U CN201320439263.3U CN201320439263U CN203387309U CN 203387309 U CN203387309 U CN 203387309U CN 201320439263 U CN201320439263 U CN 201320439263U CN 203387309 U CN203387309 U CN 203387309U
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- China
- Prior art keywords
- magnet steel
- rotor
- rotor core
- motor
- motor internal
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- 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
Links
- 238000004080 punching Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 52
- 239000010959 steel Substances 0.000 claims description 52
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 239000010949 copper Substances 0.000 abstract description 2
- 230000005347 demagnetization Effects 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 6
- 230000037431 insertion Effects 0.000 abstract 3
- 238000003780 insertion Methods 0.000 abstract 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model belongs to the technical field of motor rotors, in particular to a sheet insertion-type magnet motor inner rotor. A rotating shaft is sheathed with a rotor core; a plurality of rotor punching sheets are stacked and fixed with each other so as to form the rotor core; the rotor core is circumferentially and evenly provided with a plurality of magnet insertion slots which are arranged axially; magnets are arranged inside the magnet insertion slots; and two end surfaces of the rotor core are fixedly provided with end plates which can prevent the magnets from drifting axially. With the sheet insertion-type magnet motor inner rotor adopted, magnetic load of a motor can be decreased; magnetic circuit loss can be decreased; copper loss of a stator can be reduced; temperature rise can be decreased; the efficiency of the motor can be improved; electromagnetic noise of the motor can be decreased; cogging loss of the motor can be decreased; the mechanical characteristics of the motor can be improved through adjusting the reduction ratio of a speed reduction box; the magnetic density of the motor can be decreased; and demagnetization does not exist on the magnets. With the end plates adopted, the magnets can be prevented from drifting axially or leaving away from the magnet insertion slots, and therefore, the quality of the rotor can be greatly improved, and the service life of the rotor can be prolonged. The sheet insertion-type magnet motor inner rotor is suitable for various motors.
Description
Technical field:
The utility model belongs to the rotor technical field, refers in particular to a kind of blade inserting magnet steel motor internal rotor.
Background technology:
Stator and rotor are two large main parts of motor.Epitrochanterian magnetic shoe in conventional art normally directly is bonded on the rotor core external cylindrical surface, in the rotor high-speed rotation process, the phenomenon that magnetic shoe comes off easily occurs, and affects the normal operation of motor.
Summary of the invention:
The purpose of this utility model is to provide a kind of compact conformation, blade inserting magnet steel motor internal rotor quick and convenient, long service life is installed.
The utility model is achieved in that
A kind of blade inserting magnet steel motor internal rotor, be set with rotor core outside rotating shaft, rotor core is comprised of the some fixing rotor punchings that mutually superpose, circumferentially be evenly equipped with several on described rotor core and axially be provided with the magnet steel slot, magnet steel is arranged in the magnet steel slot, in the both ends of the surface of rotor core, is installed with respectively the end plate that prevents the magnet steel axial jump.
Above-mentioned rotor core is comprised of the some rotor punchings that mutually superpose, and circumferentially is evenly equipped with the through hole that several axially arrange on rotor core, is provided with rivet in through hole rotor punching is connected to form; Or the rotor punching of stack mutually is connected to form by argon arc welding; Or the rotor punching of stack mutually is by being connected to form from cramp.
That the both ends of the surface of above-mentioned rotor core circumferentially are evenly equipped with is that several axially arrange, little stepped hole greatly outward in aperture.
Above-mentioned end plate is circumferentially to be evenly equipped with stepped hole on several and rotor core erection column one to one on a side of an annular slab, described erection column is that cylindrical outer end is provided with the head that diameter is greater than cylinder diameter, described cylinder and head shaft form the elasticity erection column to being provided with opening, the socket connection of described elasticity erection column is in stepped hole, and head tips upside down on the step surface of stepped hole.
Circumferentially be evenly equipped with rivet on several and rotor core through hole one to one on the annular slab of above-mentioned end plate, the both ends of rivet are stretched in the through hole of end plate.
Edge on the another side of the annular slab of above-mentioned end plate, outside through hole is provided with annular protrusion.
Above-mentioned magnet steel is connected with magnet steel slot close-fitting.
Above-mentioned magnet steel slot is square groove or arc, and described magnet steel is correspondingly the cylinder that square cylinder or cross section are arc for the cross section that matches with the magnet steel slot.
Above-mentioned magnet steel is rare earth magnetic steel.
The output of above-mentioned rotating shaft is provided with gear.
The utility model outstanding advantage compared to existing technology is:
1, the utility model has reduced the magnetic loading of motor, has reduced the magnetic circuit loss;
2, the utility model has reduced the copper loss of stator, and temperature rise reduces, and has improved the efficiency of motor;
3, the utility model has reduced the electromagnetic noise of motor, has reduced the loss of motor teeth groove;
4, the utility model improves the mechanical property of motor by the speed reducing ratio of adjusting reduction box;
5, the utility model motor magnetic density reduces, and magnet steel is without demagnetization;
6, the end plate of the utility model setting can prevent the magnet steel axial jump, or breaks away from from the magnet steel slot, has greatly improved the quality of rotor, has extended useful life;
7, the utility model is applicable on various motors.
The accompanying drawing explanation:
Fig. 1 is schematic perspective view of the present utility model;
Fig. 2 is exploded perspective view of the present utility model.
Embodiment:
Below with specific embodiment, the utility model is further described, referring to Fig. 1-2:
A kind of blade inserting magnet steel motor internal rotor, be set with rotor core 20 outside rotating shaft 10, rotor core 20 is comprised of the some fixing rotor punchings that mutually superpose, circumferentially be evenly equipped with several on described rotor core 20 and axially be provided with magnet steel slot 30, magnet steel 40 is arranged in magnet steel slot 30, in the both ends of the surface of rotor core 20, is installed with respectively the end plate 50 that prevents magnet steel 40 axial jumps.The end plate arranged can make magnet steel 40 also can not come off in the rotor process that runs up, and has improved the quality of motor.
Above-mentioned rotor core 20 is comprised of the some rotor punchings that mutually superpose, and circumferentially is evenly equipped with the through hole 70 that several axially arrange on rotor core 20, is provided with rivet in through hole 70 rotor punching is connected to form; Or the rotor punching of stack mutually is connected to form by argon arc welding; Or the rotor punching of stack mutually is by being connected to form from cramp.
That the both ends of the surface of above-mentioned rotor core 20 circumferentially are evenly equipped with is that several axially arrange, little stepped hole 60 greatly outward in aperture, on stepped hole 60, is formed with step surface.
Above-mentioned end plate 50 is circumferentially to be evenly equipped with stepped hole 60 on several and rotor core 20 erection column one to one on a side of an annular slab 501, the axis coaxle of the axis of erection column and stepped hole 60, described erection column is that the outer end of cylinder 502 is provided with the head 503 that diameter is greater than cylinder 502 diameters, described cylinder 502 and head 503 axially are provided with opening 504 and form the elasticity erection column, the socket connection of described elasticity erection column, in stepped hole 60, makes the elasticity erection column tip upside down in stepped hole 60.
Circumferentially be evenly equipped with rivet on several and rotor core 20 through hole 505 one to one on the annular slab 501 of above-mentioned end plate 50, the both ends of rivet are stretched in the through hole 505 of end plate 50, prevent from hindering because of the both ends projection of rivet the installation of end plate 50.
Edge on the another side of the annular slab 501 of above-mentioned end plate 50, outside through hole 505 is provided with annular protrusion 506.
Above-mentioned magnet steel 40 is connected with magnet steel slot 30 close-fittings.
Above-mentioned magnet steel slot 30 is square groove or arc, and described magnet steel 40 is correspondingly the cylinder that square cylinder or cross section are arc for the cross section that matches with the magnet steel slot.
Above-mentioned magnet steel 40 is rare earth magnetic steel.
The output of above-mentioned rotating shaft 10 is provided with gear 90.
Above-mentioned gear 90 is helical gear.
Above-described embodiment is only one of preferred embodiment of the present utility model; not with this, limit practical range of the present utility model; therefore: all equivalences of doing according to shape of the present utility model, structure, principle change, within all should being covered by protection range of the present utility model.
Claims (10)
1. a blade inserting magnet steel motor internal rotor, be set with rotor core outside rotating shaft, rotor core is comprised of the some fixing rotor punchings that mutually superpose, it is characterized in that: circumferentially be evenly equipped with several on described rotor core and axially be provided with the magnet steel slot, magnet steel is arranged in the magnet steel slot, in the both ends of the surface of rotor core, is installed with respectively the end plate that prevents the magnet steel axial jump.
2. a kind of blade inserting magnet steel motor internal rotor according to claim 1, it is characterized in that: described rotor core is comprised of the some rotor punchings that mutually superpose, circumferentially be evenly equipped with the through hole that several axially arrange on rotor core, be provided with rivet in through hole rotor punching is connected to form; Or the rotor punching of stack mutually is connected to form by argon arc welding; Or the rotor punching of stack mutually is by being connected to form from cramp.
3. a kind of blade inserting magnet steel motor internal rotor according to claim 2 is characterized in that: the both ends of the surface of described rotor core circumferentially are evenly equipped with in that several axially arrange, aperture little stepped hole greatly outward.
4. a kind of blade inserting magnet steel motor internal rotor according to claim 1, it is characterized in that: described end plate is circumferentially to be evenly equipped with stepped hole on several and rotor core erection column one to one on a side of an annular slab, described erection column is that cylindrical outer end is provided with the head that diameter is greater than cylinder diameter, described cylinder and head shaft form the elasticity erection column to being provided with opening, the socket connection of described elasticity erection column is in stepped hole, and head tips upside down on the step surface of stepped hole.
5. a kind of blade inserting magnet steel motor internal rotor according to claim 4 is characterized in that: circumferentially be evenly equipped with rivet on several and rotor core through hole one to one on the annular slab of described end plate, the both ends of rivet are stretched in the through hole of end plate.
6. a kind of blade inserting magnet steel motor internal rotor according to claim 5, it is characterized in that: the edge on the another side of the annular slab of described end plate, outside through hole is provided with annular protrusion.
7. a kind of blade inserting magnet steel motor internal rotor according to claim 1, it is characterized in that: described magnet steel is connected with magnet steel slot close-fitting.
8. a kind of blade inserting magnet steel motor internal rotor according to claim 7, it is characterized in that: described magnet steel slot is square groove or arc, and described magnet steel is correspondingly the cylinder that square cylinder or cross section are arc for the cross section that matches with the magnet steel slot.
9. a kind of blade inserting magnet steel motor internal rotor according to claim 7, it is characterized in that: described magnet steel is rare earth magnetic steel.
10. a kind of blade inserting magnet steel motor internal rotor according to claim 1, it is characterized in that: the output of described rotating shaft is provided with gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439263.3U CN203387309U (en) | 2013-07-20 | 2013-07-20 | Sheet insertion-type magnet motor inner rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439263.3U CN203387309U (en) | 2013-07-20 | 2013-07-20 | Sheet insertion-type magnet motor inner rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203387309U true CN203387309U (en) | 2014-01-08 |
Family
ID=49875758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320439263.3U Expired - Fee Related CN203387309U (en) | 2013-07-20 | 2013-07-20 | Sheet insertion-type magnet motor inner rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203387309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964985A (en) * | 2021-12-14 | 2022-01-21 | 宁波圣龙汽车动力系统股份有限公司 | Inserted sheet type motor inner rotor |
-
2013
- 2013-07-20 CN CN201320439263.3U patent/CN203387309U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964985A (en) * | 2021-12-14 | 2022-01-21 | 宁波圣龙汽车动力系统股份有限公司 | Inserted sheet type motor inner rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ma Ping Inventor after: Yin Anbang Inventor after: Li Huasen Inventor before: Ma Ping |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: MA PING TO: MA PING YIN ANBANG LI HUASEN |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170823 Address after: 401572 1, unit 49, Cang Bai street, wooden cave Town, Banan District, Chongqing, 1-1 Patentee after: Ma Ping Address before: 318000 Taizhou City, Jiaojiang Province, Hong Kong Street, the middle of the road, No. 2261 Patentee before: Zhejiang Eureka Machinery & Electronic Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20190720 |