CN205544665U - Rotor sheet - Google Patents
Rotor sheet Download PDFInfo
- Publication number
- CN205544665U CN205544665U CN201620051480.9U CN201620051480U CN205544665U CN 205544665 U CN205544665 U CN 205544665U CN 201620051480 U CN201620051480 U CN 201620051480U CN 205544665 U CN205544665 U CN 205544665U
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- plane
- groove
- cambered surface
- parallel
- blade type
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Abstract
The utility model relates to a motor technical field specifically is a rotor sheet, that establishes the shaft hole in including dashes the piece body, still is equipped with a plurality of louvre towards the piece body on, the equipartition has 72 sword type grooves on the circumference outside the piece body, sword type groove switch on towards the outer wall of piece body, sword type groove is including the serration groove that communicates in proper order, intercommunication groove and parallel groove, it leads to the logical groove in groove and second location to be equipped with first location on the inner wall of shaft hole. The utility model discloses simple structure, the practicality is strong.
Description
Technical field
This utility model relates to motor accessory technical field, is specially a kind of rotor punching.
Background technology
Traditional rotor punching is because of the punching groove structure reason being located on punching body, and the magnetic flux distribution resulted in is uneven, causes exciting current to increase, and then reduces power factor and the efficiency of motor.
Traditional rotor punching, after arranging louvre, causes the structural strength of rotor punching to reduce, and then makes easily to occur at the louvre of rotor punching crack.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is the rotor punching providing a kind of structural strength big.
For achieving the above object, this utility model provides following technical scheme: a kind of rotor punching, the punching body of axis hole is set in including, several louvres it are additionally provided with on punching body, it is evenly equipped with 72 blade type grooves on described punching body excircle, the outer wall of described blade type groove conducting punching body, blade type groove includes the serrated slot being sequentially communicated, connectivity slot and parallel slot, described shaft hole inner wall is provided with the first location groove and the second location groove, first location groove includes the first bottom surface, the first plane being parallel to each other and the second plane, first plane and the second plane respectively with the first plane perpendicular；The 3rd plane and the fourth plane that second location groove includes the second bottom surface, is parallel to each other, 3rd plane and fourth plane intersect with the second bottom surface respectively, and angulation is respectively 100 degree and 80 degree, described louvre includes the first side, the second side, the 3rd side and the 4th side successively, first side is connected by the first cambered surface with the second side, second side and the 3rd side are connected by the second cambered surface, 3rd side and the 4th side are connected by the 3rd cambered surface, and the 4th side and the first side are connected by the 4th cambered surface.
Contrast the deficiencies in the prior art, the beneficial effect that the technical scheme that this utility model provides is brought: 1. by the first cambered surface, the second cambered surface, the 3rd cambered surface and the design of the 4th cambered surface, improve the first side, the second side, the surface stress of junction between the 3rd side and the 4th side, and then strengthen the structural strength at louvre, prevent the phenomenon that crack occurs at the louvre of rotor punching from occurring.2. rotor slot uses knife-edge groove, can reduce the starting current of motor, increases the detent torque of motor；Punch die is simple to manufacture, and Life of Punch Die is long, and blade type groove includes the serrated slot, connectivity slot and the parallel slot that are sequentially communicated, and blade type groove top is designed for parallel slot；The serrated slot of blade type groove bottom designs for parallel teeth, makes teeth portion magnetic flux distribution uniform, can reduce exciting current, improves power factor and the efficiency of motor.Rotor punching has 12 louvres, for the ventilating and cooling of motor interior.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A portion enlarged diagram of Fig. 1.
Fig. 3 is the B portion enlarged diagram of Fig. 1.
Fig. 4 is the C portion enlarged diagram of Fig. 1.
Fig. 5 is the D portion enlarged diagram of Fig. 1.
Detailed description of the invention
With reference to Fig. 1-Fig. 5, this utility model is described further.
A kind of rotor punching, the punching body 1 of axis hole is set in including, several louvres 2 it are additionally provided with on punching body 1, it is evenly equipped with 72 blade type grooves 3 on described punching body 1 excircle, described blade type groove 3 turns on the outer wall of punching body 1, blade type groove 3 includes the serrated slot 31 being sequentially communicated, connectivity slot 32 and parallel slot 33, described shaft hole inner wall is provided with the first location groove 41 and the second location groove 42, first location groove 41 includes the first bottom surface 411, the first plane 412 and the second plane 413 being parallel to each other, first plane 412 and the second plane 413 are vertical with the first bottom surface 411 respectively；Second location groove 42 includes the second bottom surface 421, the 3rd plane 422 being parallel to each other and fourth plane 423, 3rd plane 422 and fourth plane 423 intersect with the second bottom surface 421 respectively, and angulation is respectively 100 degree and 80 degree, described louvre 2 includes the first side 21 successively, second side 22, 3rd side 23 and the 4th side 24, first side 21 is connected by the first cambered surface 25 with the second side 22, second side 22 and the 3rd side 23 are connected by the second cambered surface 26, 3rd side 23 and the 4th side 24 are connected by the 3rd cambered surface 27, 4th side 24 and the first side 21 are connected by the 4th cambered surface 28.
Rotor slot uses knife-edge groove, can reduce the starting current of motor, increases the detent torque of motor；Punch die is simple to manufacture, and Life of Punch Die is long, and blade type groove 3 includes the serrated slot 31, connectivity slot 32 and the parallel slot 33 that are sequentially communicated, and blade type groove 3 top is that parallel slot 33 designs；The serrated slot 31 of blade type groove 3 bottom designs for parallel teeth, makes teeth portion magnetic flux distribution uniform, can reduce exciting current, improves power factor and the efficiency of motor.Rotor punching has 12 louvres 2, for the ventilating and cooling of motor interior.
Described shaft hole inner wall is provided with the first location groove 41 and the second location groove 42, the first plane 412 and the second plane 413 that the first location groove 41 includes the first bottom surface 411, is parallel to each other, the first plane 412 and the second plane 413 respectively with plane perpendicular；Second location groove 42 includes the second bottom surface 421, the 3rd plane 422 that is parallel to each other and fourth plane 423,3rd plane 422 and fourth plane 423 intersect with the second bottom surface 421 respectively, and angulation is respectively 100 degree and 80 degree, make rotor punching with during the coordinating of rotating shaft, from both direction, rotor punching and rotating shaft are positioned, improve the stability of location, prevent rotor punching from moving radially relative to rotating shaft.
Described louvre 2 includes the first the 21, second side the 22, the 3rd, side side 23 and the 4th side 24 successively, first side 21 is connected by the first cambered surface 25 with the second side 22, second side 22 and the 3rd side 23 are connected by the second cambered surface 26,3rd side 23 and the 4th side 24 are connected by the 3rd cambered surface 27, and the 4th side 24 and the first side 21 are connected by the 4th cambered surface 28.
By the first cambered surface the 25, second cambered surface the 26, the 3rd cambered surface 27 and design of the 4th cambered surface 28, improve the surface stress of junction between the first side 23, the 21, second side the 22, the 3rd, side and the 4th side 24, and then strengthen the structural strength at louvre 2, prevent the phenomenon that crack occurs at the louvre 2 of rotor punching from occurring.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, those skilled in the art carries out common variations and alternatives in the range of technical solutions of the utility model and should be included in protection domain of the present utility model.
Claims (1)
1. a rotor punching, the punching body of axis hole is set in including, several louvres it are additionally provided with on punching body, it is characterized in that: on described punching body excircle, be evenly equipped with 72 blade type grooves, the outer wall of described blade type groove conducting punching body, blade type groove includes serrated slot, connectivity slot and the parallel slot being sequentially communicated, described shaft hole inner wall is provided with the first location groove and the second location groove, first location groove includes the first bottom surface, the first plane of being parallel to each other and the second plane, the first plane and the second plane respectively with the first plane perpendicular；The 3rd plane and the fourth plane that second location groove includes the second bottom surface, is parallel to each other, 3rd plane and fourth plane intersect with the second bottom surface respectively, and angulation is respectively 100 degree and 80 degree, described louvre includes the first side, the second side, the 3rd side and the 4th side successively, first side is connected by the first cambered surface with the second side, second side and the 3rd side are connected by the second cambered surface, 3rd side and the 4th side are connected by the 3rd cambered surface, and the 4th side and the first side are connected by the 4th cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620051480.9U CN205544665U (en) | 2016-01-19 | 2016-01-19 | Rotor sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620051480.9U CN205544665U (en) | 2016-01-19 | 2016-01-19 | Rotor sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205544665U true CN205544665U (en) | 2016-08-31 |
Family
ID=56765502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620051480.9U Active CN205544665U (en) | 2016-01-19 | 2016-01-19 | Rotor sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205544665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233534A (en) * | 2019-05-30 | 2019-09-13 | 安徽宏远机械制造有限公司 | A kind of low abrasion electric motor end cap |
-
2016
- 2016-01-19 CN CN201620051480.9U patent/CN205544665U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233534A (en) * | 2019-05-30 | 2019-09-13 | 安徽宏远机械制造有限公司 | A kind of low abrasion electric motor end cap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ye Jinwu Inventor after: Ye Ye Inventor after: Sun Changhua Inventor before: Ye Ye Inventor before: Ye Jinwu Inventor before: Li Fuhua Inventor before: Zai Xiaowei |