CN210273632U - Heat dissipation type rotor punching - Google Patents
Heat dissipation type rotor punching Download PDFInfo
- Publication number
- CN210273632U CN210273632U CN201921232548.3U CN201921232548U CN210273632U CN 210273632 U CN210273632 U CN 210273632U CN 201921232548 U CN201921232548 U CN 201921232548U CN 210273632 U CN210273632 U CN 210273632U
- Authority
- CN
- China
- Prior art keywords
- rotor punching
- square
- ventilation
- mutually perpendicular
- punching sheet
- 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
Links
- 238000004080 punching Methods 0.000 title claims abstract description 45
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 13
- 238000009423 ventilation Methods 0.000 claims description 39
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002950 deficient Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010923 batch production Methods 0.000 abstract description 3
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 239000011324 bead Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model relates to a rotor punching technical field especially relates to a heat dissipation type rotor punching, including cyclic annular rotor punching body, there are four breachs along the circumference equipartition of rotor punching body, and the breach includes two mutually perpendicular and the square groove that is connected, is provided with 8 square holes that ventilate in the inboard on two mutually perpendicular's of two square grooves limit, and two mutually perpendicular's of two square grooves length of side equals, and 8 square holes that ventilate are arranged along the overall arrangement of two vertical three rows in two mutually perpendicular's of limit in two square grooves, and wherein the square hole that ventilates is not arranged to the position that is closest to rotor punching body center. The utility model discloses a heat dissipation type rotor punching, simple structure, processing is convenient, the batch production of being convenient for, production efficiency is high, and the defective percentage is low, and can guarantee good radiating effect, effectively reduces the motor temperature rise, reduces the motor noise, and the enameled wire is difficult for deviating from.
Description
Technical Field
The utility model relates to a rotor punching technical field especially relates to a heat dissipation type rotor punching.
Background
The rotor of motor is fixed in together by a plurality of towards the piece, and present electric motor rotor is by a plurality of regular being fixed in together towards the piece, and the rotor groove that establishes of electric motor rotor's outer circumference all is regular arc wall, and the rotor towards the piece of this structure does not have sufficient heat radiation structure, generates heat easily when motor operation a period, and the time can influence the performance of motor for a long time, increases the noise of motor, and regular arc wall leads to the enameled wire in it to deviate from easily moreover, influences the performance of motor. A generator rotor punching sheet with the publication number of CN 205791846U solves the technical problem, but when a T-shaped groove is machined, the rotor punching sheet needs to be provided with groove holes in different shapes with square through holes, production efficiency is affected, and defective products are prone to occurring due to the fact that the groove holes are arranged at corners.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the not enough among the prior art, the utility model provides a simple structure, processing is convenient, and can guarantee the radiating effect, effectively reduces the motor temperature rise, reduces the motor noise, and the heat dissipation type rotor punching that the enameled wire is difficult for deviating from.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a heat dissipation type rotor punching, including cyclic annular rotor punching body, there are four breachs along the circumference equipartition of rotor punching body, the breach includes two mutually perpendicular and the square groove that is connected, the inboard on two mutually perpendicular's of two square grooves limit is provided with 8 ventilation square holes, two mutually perpendicular's of two square grooves length of side equals, 8 ventilation square holes are arranged along the vertical three horizontal three-row's in three rows in two mutually perpendicular's of two square grooves limit, wherein the position that is closest to rotor punching body center does not arrange ventilation square hole, the length and the width of ventilation square hole are 6.5mm, interval L between the ventilation square hole is 2mm, inner ring at the rotor punching body is equipped with the bead with motor shaft matched with, be equipped with little circular arc between the both ends of bead and the inner ring edge of rotor punching body respectively.
In order to further improve the ventilation effect, ventilation round holes are further formed in the middle position between the adjacent notches in the rotor punching body, the number of the ventilation round holes is 4, and the ventilation round holes are uniformly distributed on the circumference and are close to the periphery of the rotor punching body.
In order to further improve the ventilation effect, two small ventilation round holes are respectively arranged on the two sides of each ventilation round hole in a bilateral symmetry mode.
The beneficial effects of the utility model are that, the utility model discloses a heat dissipation type rotor punching, simple structure, processing is convenient, the batch production of being convenient for, and production efficiency is high, and the defective percentage is low, and can guarantee good radiating effect, effectively reduces the motor temperature rise, reduces the motor noise, and the enameled wire is difficult for deviating from.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the preferred embodiment of the present invention.
In the figure: 1. the rotor punching sheet comprises a rotor punching sheet body, 11, notches, 12, square grooves, 13, ventilation square holes, 14, ribs, 15, small arcs, 16 and ventilation round holes.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in FIG. 1, which is a preferred embodiment of the present invention, a heat dissipation type rotor punching sheet comprises an annular rotor punching sheet body 1, four notches 11 are uniformly distributed along the circumference of the rotor punching sheet body 1, each notch 11 comprises two mutually perpendicular and connected square grooves 12, 8 ventilation square holes 13 are arranged on the inner sides of two mutually perpendicular sides of the two square grooves 12, the two mutually perpendicular sides of the two square grooves 12 have the same length, the 8 ventilation square holes 13 are arranged along the longitudinal three-row and transverse three-row arrangement of the two mutually perpendicular sides of the two square grooves 12, wherein the ventilation square holes 13 are not arranged at the position closest to the center of the rotor punching sheet body 1, that is, the longitudinal three-row and transverse three-row arrangement of the ventilation square holes originally have 9 ventilation square holes, and the ventilation square hole 13 at the position closest to the center of the rotor punching sheet body 1 among the 9 ventilation square holes is not opened, thus, the 8 ventilation square holes are formed, the length and the width of the square ventilation holes 13 are both 6.5mm, the distance L between the square ventilation holes 13 is 2mm, the inner ring of the rotor punching sheet body 1 is provided with a convex edge 14 matched with a motor rotating shaft, and small circular arcs 15 are respectively arranged between the two ends of the convex edge 14 and the inner ring edge of the rotor punching sheet body 1. The rotor punching body 1 is also provided with 4 ventilation round holes 16 at the middle positions between the adjacent notches 11, and the ventilation round holes 16 are circumferentially and uniformly distributed and are close to the periphery of the rotor punching body 1. Two small ventilation round holes 17 are respectively arranged on the two sides of each ventilation round hole 16 in a bilateral symmetry mode.
The utility model discloses heat dissipation type rotor punching gets rid of the T type groove of the generator rotor punching among the prior art, does not set up T type groove to 8 ventilation square holes are overall arrangement again, have not only guaranteed good ventilation cooling effect, can effectively reduce the motor temperature rise, reduce the motor noise, and the enameled wire is difficult for deviating from, simple structure moreover, and processing is convenient, the batch production of being convenient for, and production efficiency is high, and the defective percentage is low.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. The utility model provides a heat dissipation type rotor punching which characterized in that: comprises an annular rotor punching sheet body (1), four notches (11) are uniformly distributed along the circumferential direction of the rotor punching sheet body (1), each notch (11) comprises two mutually perpendicular and connected square grooves (12), the inner sides of two mutually perpendicular edges of the two square grooves (12) are provided with 8 ventilation square holes (13), the length of the two mutually perpendicular edges of the two square grooves (12) is equal, the 8 ventilation square holes (13) are arranged along the longitudinal three-row, three-row and transverse three-row arrangement of the two mutually perpendicular edges of the two square grooves (12), wherein the position closest to the center of the rotor punching sheet body (1) is not provided with the ventilation square holes (13), the length and the width of each ventilation square hole (13) are both 6.5mm, the distance L between the ventilation square holes (13) is 2mm, the inner ring of the rotor punching sheet body (1) is provided with a convex edge (14) matched with a motor rotating shaft, and small circular arcs (15) are respectively arranged between the two ends of the convex edge (14) and the inner ring edge of the rotor punching sheet body (1).
2. The heat dissipation type rotor punching sheet according to claim 1, characterized in that: the rotor punching sheet body (1) is provided with 4 ventilation round holes (16) at the middle positions between the adjacent notches (11), and the ventilation round holes (16) are uniformly distributed on the circumference and are close to the periphery of the rotor punching sheet body (1).
3. The heat dissipation type rotor punching sheet according to claim 2, characterized in that: two small ventilation round holes (17) are respectively arranged on the two sides of each ventilation round hole (16) in bilateral symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232548.3U CN210273632U (en) | 2019-07-31 | 2019-07-31 | Heat dissipation type rotor punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232548.3U CN210273632U (en) | 2019-07-31 | 2019-07-31 | Heat dissipation type rotor punching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210273632U true CN210273632U (en) | 2020-04-07 |
Family
ID=70015632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921232548.3U Expired - Fee Related CN210273632U (en) | 2019-07-31 | 2019-07-31 | Heat dissipation type rotor punching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210273632U (en) |
-
2019
- 2019-07-31 CN CN201921232548.3U patent/CN210273632U/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 |
Granted publication date: 20200407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |