CN218102754U - Novel motor rotor structure - Google Patents
Novel motor rotor structure Download PDFInfo
- Publication number
- CN218102754U CN218102754U CN202121840231.5U CN202121840231U CN218102754U CN 218102754 U CN218102754 U CN 218102754U CN 202121840231 U CN202121840231 U CN 202121840231U CN 218102754 U CN218102754 U CN 218102754U
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- Prior art keywords
- rotor
- magnet steel
- hinder
- magnetism
- groove
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 238000004080 punching Methods 0.000 claims abstract description 32
- 230000005389 magnetism Effects 0.000 claims abstract description 31
- 239000011148 porous material Substances 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000004907 flux Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a novel motor rotor structure, including motor shaft and rotor, the rotor is installed on the motor shaft, the rotor is including folding the rotor punching that presses the setting, the rotor is evenly provided with the magnet steel fixed slot around the axle center interval on the punching, install rectangular magnet steel in the magnet steel fixed slot, the rotor is provided with around the axle center interval and hinders magnetic pore I and hinder magnetic pore II, it is arch bridge shape to hinder magnetic pore I, it is same central line with the magnet steel fixed slot to hinder magnetic pore I, it is located and hinders magnetic pore I both sides to hinder magnetic pore II, the rotor is provided with around the middle department of magnet steel fixed slot and hinders magnetism breach groove towards the outside of piece, the inside of rotor punching evenly is provided with the semicircle around the axle center interval and hinders the magnetism groove, hinder magnetism breach groove, hinder magnetic pore II and semicircle and hinder the magnetism groove and be same central line, the inside of rotor punching is provided with the stop pin. The utility model has the characteristics of magnet steel simple manufacture is with low costs, work efficiency increases substantially and reduce vibration noise.
Description
Technical Field
The utility model belongs to the technical field of the motor, concretely relates to novel electric motor rotor structure.
Background
The motor is an electromagnetic work-doing mode for realizing the interconversion of mechanical energy and electric energy, is the most widely applied product in various industries and daily life of people, can be used for machine tools, water pumps, light industrial machinery, wind power generation, hydroelectric power generation and the like, is one of essential basic devices for industrial development, and is closely related to economic development. The rotor is a key part of the motor and has a direct influence on the performance of the motor.
At present, the magnetic steel of the motor rotor is tile-shaped magnetic steel, so that the manufacturing is troublesome, and the processing cost is high. Secondly, the existing reluctance motor has poor reluctance effect, cannot better increase reluctance torque and magnetic flux density characteristics, and greatly improves the working efficiency of the motor. In addition, how to reduce the vibration noise of the motor is also important, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
To solve the problems raised in the background art described above. The utility model provides a novel electric motor rotor structure has magnet steel simple manufacture with low costs, work efficiency increase substantially and reduce vibration noise's characteristics.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel motor rotor structure, includes motor shaft and rotor, the rotor is installed on the motor shaft, the rotor is including folding the rotor punching that presses the setting, the rotor is evenly provided with the magnet steel fixed slot around the axle center interval on the punching, install long square magnet steel in the magnet steel fixed slot, the rotor punching is provided with around the axle center interval and hinders magnetic pore I and hinder magnetic pore II, it is arch bridge shape to hinder magnetic pore I, it is same central line with the magnet steel fixed slot to hinder magnetic pore I, it is located and hinders magnetic pore I both sides to hinder magnetic pore II, the rotor is provided with around the middle department of magnet steel fixed slot towards the outside, the inside of rotor punching evenly is provided with the semicircle around the axle center interval and hinders the magnetic groove, hinder magnetic notch groove, hinder magnetic pore II and semicircle and hinder the magnetic groove and be same central line, the inside of rotor punching is provided with the stop pin.
As a further improvement of the utility model, the external diameter of rotor punching is 138.60mm, the internal diameter of rotor punching is 63mm.
As a further improvement, the rectangular magnetic steel is fixed with the magnetic steel fixing groove in a bonding manner.
As a further improvement of the utility model, the magnet steel fixed slot is rectangle, the length of magnet steel fixed slot is 45mm, the width of magnet steel fixed slot is 5.35mm.
As a further improvement of the utility model, the magnetic resistance notch groove is a trapezoidal groove.
After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the utility model has simple and reasonable structure, adopts the rotor punching sheet arranged by laminating, has uniform appearance and size, simple structure, easy punch forming and low manufacturing cost; the rectangular magnetic steel is arranged in the magnetic steel fixing groove, the traditional tile-shaped magnetic steel is changed into the rectangular magnetic steel, the processing and manufacturing are simple, and the processing cost is reduced; through the reasonable arrangement of the magnetic resistance holes I, the magnetic resistance holes II, the magnetic resistance notch grooves and the semicircular magnetic resistance grooves, a magnetic flux barrier is formed to further block a magnetic circuit from passing through, and the magnetic flux of the rotor is compressed, so that the magnetic flux density of the whole rotor is increased, the torque of the motor is further improved, and meanwhile, the motor efficiency is improved in a proportional manner; in addition, through the arrangement of the magnetic resistance notch grooves, when the rotor rotates, the maximum stress of the rotor punching sheet is transferred to the inner side of the rotor punching sheet from the outer ring, the mechanical strength of the rotor punching sheet is effectively improved under the condition that the back electromotive force of a motor wire is obviously reduced, the rotor punching sheet can be prevented from deforming, and therefore the vibration noise of the motor is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention without rectangular magnetic steel;
in the figure: 10. a motor shaft; 11. a rotor; 12. rotor punching sheets; 13. a magnetic steel fixing groove; 14. rectangular magnetic steel; 15. a magnetic resistance hole I; 16. a magnetic resistance hole II; 17. a magnetic resistance notch groove; 18. a semicircular magnetic resistance groove; 19. a retaining pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a novel motor rotor structure, including motor shaft 10 and rotor 11, rotor 11 is installed on motor shaft 10, rotor 11 is including folding the rotor punching 12 that presses the setting, rotor punching 12 is last evenly to be provided with magnet steel fixed slot 13 around the axle center interval, install rectangular magnet steel 14 in the magnet steel fixed slot 13, rotor punching 12 is provided with around the axle center interval and hinders magnetism hole I15 and hinder magnetism hole II16, it is arch bridge shape to hinder magnetism hole I15, it is same central line with magnet steel fixed slot 13 to hinder magnetism hole I15, it is located and hinders magnetism hole I15 both sides to hinder magnetism hole II16, rotor punching 12 outside department is provided with in the middle of magnet steel fixed slot 13 and hinders magnetism breach groove 17, the inside of rotor punching 12 evenly is provided with semicircle around the axle center interval and hinders magnetism groove 18, hinder magnetism groove 17, it is same central line to hinder magnetism hole II16 and semicircle magnetism groove 18, the inside of rotor punching 12 is provided with stop pin 19.
In the embodiment, the structure is simple and reasonable, the rotor punching sheets 12 arranged in a laminated mode are adopted, the appearance and the size are unified, the structure is simple, the punch forming is easy, and the manufacturing cost is low; the rectangular magnetic steel 14 is arranged in the magnetic steel fixing groove 13, the traditional tile-shaped magnetic steel is changed into the rectangular magnetic steel 14, the processing and manufacturing are simple, and the processing cost is reduced; through the reasonable arrangement of the magnetic resistance holes I15, the magnetic resistance holes II16, the magnetic resistance notch grooves 17 and the semicircular magnetic resistance grooves 18, a magnetic flux barrier is formed to further block a magnetic circuit from passing through, and the magnetic flux of the rotor 11 is compressed, so that the magnetic flux density of the whole rotor 11 is increased, the torque of the motor is further improved, and meanwhile, the motor efficiency is improved in a proportional manner; in addition, through the arrangement of the magnetic resistance notch grooves 17, when the rotor 11 rotates, the maximum stress of the rotor sheet 12 is transferred to the inner side of the rotor sheet 12 from the outer ring, under the condition that the back electromotive force of a motor wire is obviously reduced, the mechanical strength of the rotor sheet 12 is effectively improved, the rotor sheet 12 can be prevented from being deformed, and therefore the vibration noise of the motor is reduced.
Specifically, the magnetic resistance hole I15 is in an arch bridge shape, and can enhance the overall strength of the rotor sheet 12. The magnetic resistance hole I15 is a large-sized hole, the magnetic resistance hole II16 is circular, the magnetic resistance hole II16 is a small-sized hole, and the semicircular magnetic resistance groove 18 is a middle-sized groove. The stop pin 19 is used for transmission of the motor shaft 10. The quantity that magnet steel fixed slot 13, hinder magnetism hole I15, hinder magnetism hole II16, hinder magnetism breach groove 17 and semicircle and hinder magnetism groove 18 is 8, the result of use preferred.
Further, the outer diameter of the rotor sheet 12 is 138.60mm, and the inner diameter of the rotor sheet 12 is 63mm.
In the present embodiment, this dimension is for the stator and motor shaft 10 to fit together.
Furthermore, the rectangular magnetic steel and the magnetic steel fixing groove are fixed in a bonding mode.
In this embodiment, the rectangular magnetic steel 14 and the magnetic steel fixing groove 13 are fixed by bonding, so that the fixing method is simple and the fixing effect is better.
Furthermore, magnet steel fixed slot 13 is the rectangle, and magnet steel fixed slot 13's length is 45mm, and magnet steel fixed slot 13's width is 5.35mm.
In this embodiment, the magnetic steel fixing groove 13 is preferably fitted to the rectangular magnetic steel 14.
Further, the magnetism blocking notch 17 is a trapezoidal groove.
In this embodiment, the use effect of the trapezoidal groove is better.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a novel electric motor rotor structure, includes motor shaft (10) and rotor (11), install on motor shaft (10) rotor (11), its characterized in that: rotor (11) are including folding rotor punching (12) that press the setting, rotor punching (12) are gone up and are evenly provided with magnet steel fixed slot (13) around the axle center interval, install rectangular magnet steel (14) in magnet steel fixed slot (13), rotor punching (12) are provided with around the axle center interval and hinder magnetism hole I (15) and hinder magnetism hole II (16), it is arched bridge shape to hinder magnetism hole I (15), it is same central line with magnet steel fixed slot (13) to hinder magnetism hole I (15), it is located and hinders magnetism hole I (15) both sides to hinder magnetism hole II (16), rotor punching (12) outside department is provided with in the middle of magnet steel fixed slot (13) and hinders magnetism breach groove (17), the inside of rotor punching (12) evenly is provided with semicircle around the axle center interval and hinders magnetism groove (18), hinder magnetism breach groove (17), hinder magnetism hole II (16) and semicircle and hinder magnetism groove (18) and be same central line, the inside of rotor punching (12) is provided with stop pin (19).
2. The novel motor rotor structure of claim 1, wherein: the outer diameter of the rotor punching sheet (12) is 138.60mm, and the inner diameter of the rotor punching sheet (12) is 63mm.
3. The novel motor rotor structure of claim 1, wherein: the rectangular magnetic steel (14) and the magnetic steel fixing groove (13) are fixed in a bonding mode.
4. A novel rotor structure of an electric machine according to claim 3, characterized in that: the magnet steel fixing groove (13) is rectangular, the length of the magnet steel fixing groove (13) is 45mm, and the width of the magnet steel fixing groove (13) is 5.35mm.
5. The novel motor rotor structure of claim 1, wherein: the magnetism-resisting notch groove (17) is a trapezoidal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121840231.5U CN218102754U (en) | 2021-08-06 | 2021-08-06 | Novel motor rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121840231.5U CN218102754U (en) | 2021-08-06 | 2021-08-06 | Novel motor rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218102754U true CN218102754U (en) | 2022-12-20 |
Family
ID=84443197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121840231.5U Expired - Fee Related CN218102754U (en) | 2021-08-06 | 2021-08-06 | Novel motor rotor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218102754U (en) |
-
2021
- 2021-08-06 CN CN202121840231.5U patent/CN218102754U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20221220 |