CN203243134U - Rotor assembly with rotor magnet ring - Google Patents
Rotor assembly with rotor magnet ring Download PDFInfo
- Publication number
- CN203243134U CN203243134U CN 201320136669 CN201320136669U CN203243134U CN 203243134 U CN203243134 U CN 203243134U CN 201320136669 CN201320136669 CN 201320136669 CN 201320136669 U CN201320136669 U CN 201320136669U CN 203243134 U CN203243134 U CN 203243134U
- Authority
- CN
- China
- Prior art keywords
- rotor
- cavity
- output shaft
- magnetic ring
- end covers
- 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
- 238000004512 die casting Methods 0.000 claims abstract description 7
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract 2
- 238000009825 accumulation Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a rotor assembly with a rotor magnetic ring, including a rotor housing, a magnetic ring, an output shaft, and rotor end covers, wherein the rotor housing is cylindrical and has an internal cavity, the rotor housing surface is connected with the magnetic ring by die casting, the output shaft is arranged in the cavity through the rotor housing, and both ends of the output shaft are sleeved with the rotor end covers and then fixed with the rotor housing. The rotor end covers are provided with ventilation openings. The rotor housing is made of mild steel. The rotor assembly has the advantages that: the rotor housing and the magnetic ring are integrally formed by die casting, are combined solidly, and are not easy to fall off, the rotor housing has the cavity inside, the output shaft is fixed in the cavity through sleeving the rotor end covers on both ends of the shaft, the rotor end covers are provided with the ventilation openings to accelerate air convection between the cavity and the outside, so that the cooling speed of the rotor is quicken, cooling effect is good, heat is not easy to accumulate, the adverse effects of high temperature on the magnetic ring is prevented, and the life of the rotor is improved.
Description
Technical field
The utility model relates to a kind of rotor technical field, particularly a kind of rotor assembly with rotor magnetic ring.
Background technology
In recent years, along with the fast development of power electronic technology, microelectric technique, New-type electric machine control theory, magneto is applied rapidly, magnetic sheet is installed on the rotor of magneto is reduced electromagnetic interference, the normal use of support equipment.Inlay magnetic sheet on traditional rotor, degree of being connected firmly is poor, the damage that in the process of running up, easily comes off, and also magnetic density is low, and even not.Traditional rotor is solid, the easy heat of accumulation in output shaft runs up process, and radiating effect is poor, and high temperature is unfavorable to magnet ring, and impact is normally used, can reduction of service life, increase maintenance cost, affect the economic benefit of enterprise.
The utility model content
For addressing the above problem, the purpose of this utility model provides the rotor assembly with rotor magnetic ring of a kind of reasonable in design, good heat dissipation effect, long service life.
For achieving the above object, the technical solution of the utility model is:
A kind of rotor assembly with rotor magnetic ring, comprise rotor case, magnet ring, output shaft, rotor endcap, described rotor case is cylindrical shape, inside is cavity, the rotor case surface is connected with magnet ring by die casting, output shaft passes rotor case and places in the cavity, and the output shaft two ends are by being inserted in rotor endcap and rotor case is fixed.
As preferably, described rotor endcap is provided with ventilating opening.
As preferably, described rotor case is that mild steel is made.
Rotor case of the present utility model and magnet ring are integrally formed by die casting, in conjunction with firm, difficult drop-off, rotor case inside is made as cavity, two ends are fixed on output shaft in the cavity by rotor endcap, rotor endcap is provided with ventilating opening, accelerates the convection current of cavity and outside air, and the rotor cooling is accelerated, good heat dissipation effect, be difficult for the accumulation heat, avoided high temperature to the magnet ring adverse influence, improve the useful life of rotor.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is side view of the present utility model.
Embodiment
As shown in Figure 1, 2, a kind of rotor assembly with rotor magnetic ring, comprise rotor case 1, magnet ring 2, output shaft 3, rotor endcap 4, described rotor case 1 is cylindrical shape, inside is cavity 6, rotor case 1 surface is connected with magnet ring 2 by die casting, and output shaft 3 passes rotor case 1 and places in the cavity 6, and output shaft 3 two ends are fixing with rotor case 1 by being inserted in rotor endcap 4.Described rotor endcap 4 is provided with ventilating opening 5.Described rotor case 1 is made for mild steel.Rotor case 1 of the present utility model is integrally formed by die casting with magnet ring 2, in conjunction with firm, difficult drop-off, rotor case 1 inside is made as cavity 6, two ends are fixed on output shaft 3 in the cavity 6 by rotor endcap 4, rotor endcap 4 is provided with ventilating opening 5, accelerates the convection current of cavity 6 and outside air, and the rotor cooling is accelerated, good heat dissipation effect, be difficult for the accumulation heat, avoided high temperature to magnet ring 2 adverse influences, improve the useful life of rotor.
Claims (3)
1. rotor assembly with rotor magnetic ring, comprise rotor case (1), magnet ring (2), output shaft (3), rotor endcap (4), it is characterized in that, described rotor case (1) is cylindrical shape, inside is cavity (6), rotor case (1) surface is connected with magnet ring (2) by die casting, and output shaft (3) passes rotor case (1) and places in the cavity (6), and output shaft (3) two ends are fixing with rotor case (1) by being inserted in rotor endcap (4).
2. a kind of rotor assembly with rotor magnetic ring according to claim 1 is characterized in that, described rotor endcap (4) is provided with ventilating opening (5).
3. a kind of rotor assembly with rotor magnetic ring according to claim 1 is characterized in that, described rotor case (1) is made for mild steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320136669 CN203243134U (en) | 2013-03-25 | 2013-03-25 | Rotor assembly with rotor magnet ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320136669 CN203243134U (en) | 2013-03-25 | 2013-03-25 | Rotor assembly with rotor magnet ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203243134U true CN203243134U (en) | 2013-10-16 |
Family
ID=49320392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320136669 Expired - Fee Related CN203243134U (en) | 2013-03-25 | 2013-03-25 | Rotor assembly with rotor magnet ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203243134U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079090A (en) * | 2013-03-25 | 2014-10-01 | 山耐斯气动液压(磐安)有限公司 | Rotor assembly provided with rotor magnet ring |
| CN109194056A (en) * | 2018-07-24 | 2019-01-11 | 青岛海立美达电机有限公司 | A kind of small-power permanent magnetic multi-pole magnet ring rotor injection molding production technology |
| CN112332569A (en) * | 2020-10-29 | 2021-02-05 | 佛山科学技术学院 | Rotor structure of brushless DC motor |
-
2013
- 2013-03-25 CN CN 201320136669 patent/CN203243134U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079090A (en) * | 2013-03-25 | 2014-10-01 | 山耐斯气动液压(磐安)有限公司 | Rotor assembly provided with rotor magnet ring |
| CN109194056A (en) * | 2018-07-24 | 2019-01-11 | 青岛海立美达电机有限公司 | A kind of small-power permanent magnetic multi-pole magnet ring rotor injection molding production technology |
| CN112332569A (en) * | 2020-10-29 | 2021-02-05 | 佛山科学技术学院 | Rotor structure of brushless DC motor |
| CN112332569B (en) * | 2020-10-29 | 2022-02-25 | 佛山科学技术学院 | Rotor structure of brushless DC motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151123 Address after: 112000, room 1, unit 13, 401 South Ring Road, Yinzhou District, Liaoning, Tieling Patentee after: Qiu Chang Address before: 322312 No. 1 Daxing Road, Panan Industrial Park, Zhejiang, Jinhua, China Patentee before: Shannaisi Hydraulic (Pan'an) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20160325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |