CN220254230U - Rust-proof motor punching sheet - Google Patents
Rust-proof motor punching sheet Download PDFInfo
- Publication number
- CN220254230U CN220254230U CN202322282088.8U CN202322282088U CN220254230U CN 220254230 U CN220254230 U CN 220254230U CN 202322282088 U CN202322282088 U CN 202322282088U CN 220254230 U CN220254230 U CN 220254230U
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- CN
- China
- Prior art keywords
- rotor substrate
- wall
- substrate
- inner rotor
- punching sheet
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Links
- 238000004080 punching Methods 0.000 title claims abstract description 42
- 239000000758 substrate Substances 0.000 claims abstract description 76
- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Manufacture Of Motors, Generators (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses an anti-rust motor punching sheet, which comprises an inner rotor substrate and an outer rotor substrate, wherein the inner rotor substrate is positioned in the outer rotor substrate, air gap grooves are formed in the outer wall of the outer rotor substrate at equal intervals, annular radiating grooves are formed between the outer wall of the inner rotor substrate and the inner wall of the outer rotor substrate, connecting blocks are arranged in the annular radiating grooves, the number of the connecting blocks is four, and the four connecting blocks are fixedly arranged between the outer wall of the inner rotor substrate and the inner wall of the outer rotor substrate at equal intervals. According to the rust-proof motor punching sheet, the annular heat dissipation grooves are formed between the outer wall of the inner rotor substrate and the inner part of the outer rotor substrate through the arranged inner rotor substrate and outer rotor substrate, so that the heat dissipation performance is improved, four groups of connecting blocks are fixedly arranged between the outer wall of the inner rotor substrate and the inner wall of the outer rotor substrate, the strength of the rotor punching sheet is improved, and the gravity of the substrate is relieved through the arranged weight reducing holes.
Description
Technical Field
The utility model relates to the technical field of motor rotor punching sheets, in particular to an antirust motor punching sheet.
Background
The half direct drive concept is generated in the process of developing the direct drive wind turbine generator and the doubly-fed wind turbine generator to large scale, and has the characteristics of both, so that the half direct drive is similar to doubly-fed wind turbine generator in structure, and has the characteristics of various layout forms.
The semi-direct-drive motor is provided with rotor punching sheets, a motor rotor is an indispensable important component in the motor, the motor rotor is mainly formed by superposing a plurality of rotor punching sheets together, a rotor shaft penetrates through the superposed rotor punching sheets again, the rotor punching sheets are provided with mounting through holes, the mounting through holes on the superposed rotor punching sheets are mutually communicated, and people fix magnetic stripes on the mounting through holes.
In the prior art, a plurality of groups of heat dissipation round holes are generally formed in a substrate, but only a plurality of groups of heat dissipation holes are formed, so that the heat dissipation effect is poor, and if the size of a heat dissipation groove is too small, the gravity is increased, and the heat dissipation effect is also influenced; if the size of the radiating groove is too large, the integral strength is affected, deformation is easy to occur, and the rotating effect of the rotor is affected; when the rotor punching sheets in the prior art are overlapped, due to the lack of a positioning structure, the overlapping is not tidy enough, and part of the rotor punching sheets are provided with positioning pins, however, the stability of the rotor punching sheets after being connected is poor, and therefore, the anti-rust motor punching sheets are provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the rust-proof motor punching sheet, which has the advantages of convenience in improving heat dissipation, convenience in superposition among rotor punching sheets, more stability in connection among the rotor punching sheets and the like, and can effectively solve the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an anti-rust motor punching sheet, includes inner rotor substrate and outer rotor substrate, the inner rotor substrate is located the inside of outer rotor substrate, the equidistant air gap recess of having seted up of outer rotor substrate's outer wall, the magnet steel groove has been seted up to one side surface of outer rotor substrate, form annular heat dissipation groove between the outer wall of inner rotor substrate and the inner wall of outer rotor substrate, the inside of annular heat dissipation groove is provided with the connecting block, the quantity of connecting block is four groups, four groups the equidistant fixed mounting of connecting block is between the outer wall of inner rotor substrate and the inner wall of outer rotor substrate, the jack has been seted up to the left and right sides of inner rotor substrate upper end surface, the left and right sides fixed mounting of inner rotor substrate lower extreme surface has the plug.
Preferably, a shaft mounting groove is formed in the middle of the outer surface of one side of the inner rotor substrate, and a key groove is formed in one side of the shaft mounting groove.
Preferably, the upper part of the jack is fixedly provided with a bulge, and the outer wall of the upper part of the plug is provided with a concave ring groove.
Preferably, the size of the plug is matched with that of the jack.
Preferably, the size of the protrusion is matched with that of the concave ring groove.
Preferably, the middle part of the outer surface of one side of the connecting block is provided with a lightening hole.
(III) beneficial effects
Compared with the prior art, the utility model provides an anti-rust motor punching sheet, which has the following beneficial effects:
1. according to the rust-proof motor punching sheet, through the inner rotor substrate and the outer rotor substrate, an annular heat dissipation groove is formed between the outer wall of the inner rotor substrate and the inner part of the outer rotor substrate, so that heat dissipation is improved.
2. According to the rust-proof motor punching sheet, four groups of connecting blocks are fixedly arranged between the outer wall of the inner rotor substrate and the inner wall of the outer rotor substrate, so that the strength of the rotor punching sheet is improved, and the gravity of the substrate is lightened through the weight reducing holes.
3. According to the rust-proof motor punching sheet, through the protrusions and the concave ring grooves, the plug is convenient to limit after being inserted into the protrusions, and stability after assembly between each group of inner rotor substrates is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an anti-rust motor punching sheet of the utility model.
Fig. 2 is a schematic structural view of an inner rotor substrate in a rust-proof motor punching sheet according to the present utility model.
Fig. 3 is a schematic structural view of a connecting block in an anti-rust motor punching sheet.
Fig. 4 is a side cross-sectional view of an inner rotor substrate in a rust resistant motor stator lamination of the present utility model.
In the figure: 1. an inner rotor substrate; 2. an outer rotor substrate; 3. an annular heat sink; 4. a connecting block; 5. a shaft mounting groove; 6. a key slot; 7. a jack; 8. a lightening hole; 9. a magnetic steel groove; 10. an air gap groove; 11. a protrusion; 12. a plug; 13. and a concave ring groove.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
The embodiment is an anti-rust motor punching sheet.
As shown in fig. 1-4, the inner rotor comprises an inner rotor substrate 1 and an outer rotor substrate 2, the inner rotor substrate 1 is positioned in the outer rotor substrate 2, air gap grooves 10 are formed in the outer wall of the outer rotor substrate 2 at equal intervals, a magnetic steel groove 9 is formed in the outer surface of one side of the outer rotor substrate 2, an annular heat dissipation groove 3 is formed between the outer wall of the inner rotor substrate 1 and the inner wall of the outer rotor substrate 2, connecting blocks 4 are arranged in the annular heat dissipation groove 3, the number of the connecting blocks 4 is four, the four connecting blocks 4 are fixedly arranged between the outer wall of the inner rotor substrate 1 and the inner wall of the outer rotor substrate 2 at equal intervals, insertion holes 7 are formed in the left side and the right side of the outer surface of the upper end of the inner rotor substrate 1, and plugs 12 are fixedly arranged in the left side and the right side of the outer surface of the lower end of the inner rotor substrate 1.
A shaft mounting groove 5 is formed in the middle of the outer surface of one side of the inner rotor substrate 1, and a key groove 6 is formed in one side of the shaft mounting groove 5; the upper part of the jack 7 is fixedly provided with a bulge 11, and the outer wall of the upper part of the plug 12 is provided with a concave ring groove 13; the size of the plug 12 is matched with that of the jack 7; the size of the bulge 11 is matched with that of the concave ring groove 13; the middle part of the outer surface of one side of the connecting block 4 is provided with a lightening hole 8.
It is to be noted that the utility model is an anti-rust motor punching sheet, the rotor punching sheet is processed by spraying anti-corrosion technology, so that the rotor punching sheet has anti-rust function, and the anti-rust motor punching sheet belongs to the prior art, and can be effectively known to those skilled in the art, and is not repeated specifically; through the arranged inner rotor substrate 1 and the outer rotor substrate 2, an annular heat dissipation groove 3 is formed between the outer wall of the inner rotor substrate 1 and the inner part of the outer rotor substrate 2, so that heat dissipation is improved; four groups of connecting blocks 4 are fixedly arranged between the outer wall of the inner rotor substrate 1 and the inner wall of the outer rotor substrate 2, so that the strength of a rotor punching sheet is improved, and weight reducing holes 8 are formed in the connecting blocks 4, so that the dead weight of the substrate is reduced; through the protruding 11 and the concave ring groove 13, when two groups of rotor punching sheets are assembled, the plug 12 in one group of rotor punching sheets is inserted into the jack 7 of the other group of rotor punching sheets, and at the moment, the protruding 11 is clamped into the concave ring groove 13, so that the stability of the inner rotor substrates 1 in each group after assembly is improved.
It should be noted that in this document, relational terms such as first and second (first and second), and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The utility model provides a rust-resistant motor punching, includes inner rotor substrate (1) and outer rotor substrate (2), its characterized in that: the inner rotor substrate (1) is located the inside of outer rotor substrate (2), air gap recess (10) have been seted up to the outer wall equidistant of outer rotor substrate (2), magnet steel groove (9) have been seted up to one side surface of outer rotor substrate (2), form annular heat dissipation groove (3) between the outer wall of inner rotor substrate (1) and the inner wall of outer rotor substrate (2), the inside of annular heat dissipation groove (3) is provided with connecting block (4), the quantity of connecting block (4) is four groups, four groups connecting block (4) equidistant fixed mounting is between the outer wall of inner rotor substrate (1) and the inner wall of outer rotor substrate (2), jack (7) have been seted up in the left and right sides of inner rotor substrate (1) upper end surface, the left and right sides fixed mounting of inner rotor substrate (1) lower extreme surface has plug (12).
2. The antirust motor punching sheet according to claim 1, characterized in that: a shaft mounting groove (5) is formed in the middle of the outer surface of one side of the inner rotor substrate (1), and a key groove (6) is formed in one side of the shaft mounting groove (5).
3. The antirust motor punching sheet according to claim 2, characterized in that: the upper part of the jack (7) is fixedly provided with a bulge (11), and the outer wall of the upper part of the plug (12) is provided with a concave ring groove (13).
4. A rust resistant motor impact sheet as set forth in claim 3, wherein: the size of the plug (12) is matched with that of the jack (7).
5. The antirust motor punching sheet according to claim 4, wherein: the size of the bulge (11) is matched with that of the concave ring groove (13).
6. The antirust motor punching sheet according to claim 5, characterized in that: the middle part of the outer surface of one side of the connecting block (4) is provided with a lightening hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322282088.8U CN220254230U (en) | 2023-08-24 | 2023-08-24 | Rust-proof motor punching sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322282088.8U CN220254230U (en) | 2023-08-24 | 2023-08-24 | Rust-proof motor punching sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220254230U true CN220254230U (en) | 2023-12-26 |
Family
ID=89234830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322282088.8U Active CN220254230U (en) | 2023-08-24 | 2023-08-24 | Rust-proof motor punching sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220254230U (en) |
-
2023
- 2023-08-24 CN CN202322282088.8U patent/CN220254230U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |