CN212258583U - Miniature integrated permanent magnet rotor - Google Patents
Miniature integrated permanent magnet rotor Download PDFInfo
- Publication number
- CN212258583U CN212258583U CN202021865988.5U CN202021865988U CN212258583U CN 212258583 U CN212258583 U CN 212258583U CN 202021865988 U CN202021865988 U CN 202021865988U CN 212258583 U CN212258583 U CN 212258583U
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- permanent magnet
- rotor
- thick bamboo
- sleeve part
- sleeve section
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Abstract
The utility model provides a miniature integrated permanent magnet rotor belongs to mechanical technical field. The permanent magnet rotor solves the problems that the existing permanent magnet rotor is poor in dynamic balance characteristic, noise is loud, and the structure is complex, so that the assembling process is difficult. This miniature integrated permanent magnet rotor, including rotor subject and the permanent magnet with rotor subject looks adaptation, rotor subject is by the first sleeve section of thick bamboo portion that communicates each other, second sleeve section of thick bamboo portion and third sleeve section of thick bamboo are constituteed, first sleeve section of thick bamboo portion external diameter is greater than second sleeve section of thick bamboo portion external diameter and is greater than third sleeve section of thick bamboo portion external diameter, the permanent magnet cover is located on the third sleeve section of thick bamboo portion, impeller subassembly is equipped with in the first sleeve section of thick bamboo portion, be equipped with a ceramic bearing in the second sleeve section of thick bamboo portion and the third sleeve section of thick bamboo portion that communicate each other, be equipped with the rotor injection molding between third sleeve section of thick bamboo portion and the permanent. The utility model has the advantages of good dynamic balance characteristic, low noise and convenient assembly.
Description
Technical Field
The utility model belongs to the technical field of machinery, a rotor, in particular to miniature integrated permanent magnet rotor is related to.
Background
The dynamic balance characteristic of the structure of the permanent magnet rotor in the electric pump is poor, the generated noise is loud, and the structure is complex, so that the problem of difficult assembly process is solved.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists among the prior art, provide a dynamic balance characteristic good, the noise is little, assembles convenient miniature integration permanent magnet rotor.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a miniature integrated permanent magnet rotor, its characterized in that, including rotor main body and with the permanent magnet of rotor main body looks adaptation, rotor main body constitute by first sleeve section of thick bamboo, second sleeve section of thick bamboo and the third sleeve section of thick bamboo that communicate each other, first sleeve section of thick bamboo external diameter is greater than second sleeve section of thick bamboo external diameter and is greater than third sleeve section of thick bamboo external diameter, the permanent magnet cover locate on the third sleeve section of thick bamboo, first sleeve section of thick bamboo in be equipped with impeller subassembly, be equipped with a ceramic bearing in the second sleeve section of thick bamboo and the third sleeve section of thick bamboo that communicate each other, third sleeve section of thick bamboo and permanent magnet between be equipped with the rotor injection molding, permanent magnet, impeller subassembly, ceramic axle sleeve, rotor main body and rotor injection molding.
In the above miniature integrated permanent magnet rotor, a plurality of through holes are circumferentially formed in the circumferential wall of the first sleeve part.
In the above miniature integrated permanent magnet rotor, the rear end of the third sleeve part is provided with the connecting disc.
In the miniature integrated permanent magnet rotor, the impeller assembly is composed of a plurality of blades which are circumferentially and uniformly distributed at intervals, each blade is arranged in a bent mode, one end of each blade is connected to the position of the corresponding through hole in the first sleeve part, and the other end of each blade is connected to the end face of the inner wall of the second sleeve part.
Compared with the prior art, the miniature integrated permanent magnet rotor has the advantages of good dynamic balance characteristic, low noise and convenience in assembly.
Drawings
Fig. 1 is a schematic sectional structure diagram of the miniature integrated permanent magnet rotor.
Fig. 2 is a schematic perspective view of the miniature integrated permanent magnet rotor without permanent magnets.
In the figure, 1, a rotor body; 2. a permanent magnet; 3. a first sleeve portion; 4. a second sleeve portion; 5. a third sleeve part; 6. a ceramic bearing; 7. a rotor injection molded part; 8. a through hole; 9. a connecting disc; 10. a blade.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the miniature integrated permanent magnet rotor comprises a rotor body 1 and a permanent magnet 2 matched with the rotor body 1, wherein the rotor body 1 consists of a first sleeve part 3, a second sleeve part 4 and a third sleeve part 5 which are communicated with each other, the outer diameter of the first sleeve part 3 is larger than that of the second sleeve part 4 and larger than that of the third sleeve part 5, the permanent magnet 2 is sleeved on the third sleeve part 5, a vane wheel assembly is arranged in the first sleeve part 3, a ceramic bearing 6 is arranged in the second sleeve part 4 and the third sleeve part 5 which are communicated with each other, a rotor injection molding piece 7 and the permanent magnet 2 are arranged between the third sleeve part 5 and the permanent magnet 2, impeller subassembly, ceramic axle sleeve, rotor main part 1 and rotor injection molding 7 are injection moulding as an organic whole, and a plurality of through-hole 8 has been seted up to circumference on the 3 perisporium of first sleeve section of thick bamboo portion, and connection pad 9 is installed to the tip behind the third sleeve section of thick bamboo portion 5.
Preferably, the impeller assembly comprises a plurality of blades 10 uniformly distributed at intervals in the circumferential direction, each blade 10 is arranged in a bent manner, one end of each blade 10 is connected to the corresponding through hole 8 on the first sleeve part 3, and the other end of each blade 10 is connected to the end face of the inner wall of the second sleeve part 4.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (4)
1. The miniature integrated permanent magnet rotor is characterized by comprising a rotor body (1) and a permanent magnet (2) matched with the rotor body (1), wherein the rotor body (1) consists of a first sleeve part (3), a second sleeve part (4) and a third sleeve part (5) which are communicated with each other, the outer diameter of the first sleeve part (3) is larger than that of the second sleeve part (4) and larger than that of the third sleeve part (5), the permanent magnet (2) is sleeved on the third sleeve part (5), an impeller assembly is arranged in the first sleeve part (3), a ceramic bearing (6) is arranged in the second sleeve part (4) and the third sleeve part (5) which are communicated with each other, a rotor injection molding part (7) is arranged between the third sleeve part (5) and the permanent magnet (2), the impeller assembly, the ceramic shaft sleeve and the ceramic bearing (5), The rotor main body (1) and the rotor injection molding piece (7) are integrally formed in an injection molding mode.
2. The miniature integrated permanent magnet rotor as claimed in claim 1, wherein the first sleeve part (3) has a plurality of through holes (8) circumferentially formed in a peripheral wall thereof.
3. The miniature integrated permanent magnet rotor as claimed in claim 1, wherein a connecting disc (9) is mounted at the rear end of the third sleeve part (5).
4. The miniature integrated permanent magnet rotor as claimed in claim 1, wherein the impeller assembly comprises a plurality of blades (10) uniformly arranged at intervals in the circumferential direction, each blade (10) is arranged in a bent manner, one end of each blade (10) is connected to the position of the corresponding through hole (8) on the first sleeve part (3), and the other end of each blade (10) is connected to the inner wall end face of the second sleeve part (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021865988.5U CN212258583U (en) | 2020-08-31 | 2020-08-31 | Miniature integrated permanent magnet rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021865988.5U CN212258583U (en) | 2020-08-31 | 2020-08-31 | Miniature integrated permanent magnet rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212258583U true CN212258583U (en) | 2020-12-29 |
Family
ID=73981110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021865988.5U Active CN212258583U (en) | 2020-08-31 | 2020-08-31 | Miniature integrated permanent magnet rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212258583U (en) |
-
2020
- 2020-08-31 CN CN202021865988.5U patent/CN212258583U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |