CN201868961U - Motor rotor assembly - Google Patents
Motor rotor assembly Download PDFInfo
- Publication number
- CN201868961U CN201868961U CN2010206350256U CN201020635025U CN201868961U CN 201868961 U CN201868961 U CN 201868961U CN 2010206350256 U CN2010206350256 U CN 2010206350256U CN 201020635025 U CN201020635025 U CN 201020635025U CN 201868961 U CN201868961 U CN 201868961U
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- China
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- motor shaft
- rotor assembly
- rotor
- rotor section
- motor
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- Expired - Lifetime
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Abstract
The utility model belongs to the technical field of motors and relates to motor parts, in particular to a motor rotor assembly which solves the technical problems that the manufacturing cost is high, the performance is worse and the like in the prior art. The motor rotor assembly comprises a motor shaft and a rotor section fixedly arranged on the motor shaft, and is characterized in that the rotor section is cylindrical and made from powder metallurgy material, and has an integrated structure, wherein a positioning structure is arranged between the rotor section and the motor shaft. Compared with the prior art, the motor rotor assembly has the advantages that waste materials can be effectively utilized, the resources are regenerated and utilized, the effects of environmental protection and energy conservation can be achieved, the production cost can be effectively reduced; and the motor rotor assembly can be manufactured and assembled easily, has high mechanical strength, stable working performance and long service life.
Description
Technical field
The utility model belongs to technical field of motors, relates to motor component, especially relates to a kind of rotor assembly.
Background technology
The rotor assembly is the important component part of motor, and motor properties is had significant effects.Motor rotor construction of the prior art is comparatively complicated, the manufacturing cost height, and assembly difficulty is big.For this reason, people have carried out long-term exploration, have proposed various solutions.
For example, Chinese patent literature discloses a kind of rotor assembly [application number: CN200620075521.4], comprise injection moulding rotor, bearing and central shaft, the injection moulding rotor has mesopore, also has sun gear shaft, sun gear shaft is inserted in the mesopore of injection moulding rotor one end, has keyway or key tooth in the mesopore, and sun gear shaft has key tooth or the keyway that matches with this keyway or key tooth; Central shaft has axis hole and is fixed in the mesopore of the injection moulding rotor other end, is respectively installed with bearing on sun gear shaft and central shaft, and a screw pierces into the axis hole of central shaft, and its head is screwed into the inner of sun gear shaft, and the outer end of afterbody and central shaft offsets.The somebody has invented a kind of follow-on motor rotor [application number: CN98247828.3], be included in sheathed stator in the motor shell that is provided with holder with array coil, Magnmet rotor pivot rotation set places in the stator, its central rotating shaft protrude out the pivot frame outside the axis hole of holder with the motor winding, Magnmet rotor comprises magnet ring tube layer, rotating shaft and connection turntable mounting therebetween, it is characterized in that: this turntable mounting is for casting the disk-like structure of type with the material of magnetic conduction construction through the powder metallurgy essence, and it is equipped with several relative counterweights with respect to central rotating shaft and bores a hole.
Such scheme improves the rotor modular construction to a certain extent, but to exist service behaviour relatively poor, is difficult to the motor that is applicable to that performance requirement is higher, produces technical problems such as assembly difficulty is big.
Summary of the invention
The purpose of this utility model is at the problems referred to above, and a kind of processing and manufacturing that is easy to is provided, and can effectively utilize scrap feed material, and production cost is lower, the rotor assembly of stable and reliable working performance.
For achieving the above object, the utility model has adopted following technical proposal: this rotor assembly, comprise motor shaft and the rotor section that is fixed on the motor shaft, it is characterized in that, described rotor section is integral structure cylindric and for being made by powdered metallurgical material, is provided with location structure between described rotor section and the motor shaft.
Because rotor section of the present utility model adopts the powdered metallurgical material manufacturing, therefore effectively utilize obsolete material, resource regeneration reduces production costs greatly, and has the advantage of environmental protection and energy saving.Powder metallurgy and binding agent mix, and carry out die cast, and high temperature sintering promptly gets rotor section after the cooling then.
In above-mentioned rotor assembly, described location structure comprises the location hole that is arranged on the rotor section center and is arranged at least one raised line on motor shaft surface that described raised line is positioned at location hole and both interference fit.
In above-mentioned rotor assembly, described raised line extends axially along motor shaft, and each raised line evenly distributes in a circumferential direction.
In above-mentioned rotor assembly, described location structure also comprises two axial location steps that are separately positioned on the rotor section two ends, the i.e. first axial location step and the second axial location step, on motor shaft, be provided with the bulge loop that can lean with the first axial location step, on motor shaft, also be provided with cannelure, in cannelure, be provided with the annular solid that can lean with the second axial location step.Bulge loop and motor shaft are connected as a single entity structure.
In above-mentioned rotor assembly, an end of described rotor section has the end ring that radially protrudes.
Compared with prior art, the advantage of this rotor assembly is: 1, can effectively utilize scrap feed material, and resource regeneration, environmental protection and energy saving effectively reduce production costs.2, be easy to make and assemble mechanical strength height, stable work in work, long service life.
Description of drawings
Fig. 1 be the utility model provide partly cut open structural representation.
Fig. 2 is the rotor section sectional structure schematic diagram that the utility model provides.
Fig. 3 is the rotor section side-looking structural representation that the utility model provides.
Among the figure, motor shaft 1, raised line 11, bulge loop 12, cannelure 13, rotor section 2, location hole 21, the first axial location step 22, the second axial location step 23, end ring 24, annular solid 4.
Embodiment
As Figure 1-3, this rotor assembly comprises motor shaft 1 and the rotor section 2 that is fixed on the motor shaft 1.Rotor section 2 is integral structure cylindric and for being made by powdered metallurgical material, is provided with location structure between rotor section 2 and the motor shaft 1.One end of rotor section 2 has the end ring 24 that radially protrudes.
Location structure comprises location hole 21 that is arranged on rotor section 2 centers and at least one raised line 11 that is arranged on motor shaft 1 surface.Raised line 11 is positioned at location hole 21 and both interference fit.Raised line 11 extends axially along motor shaft 1, and each raised line 11 evenly distributes in a circumferential direction.
Location structure also comprises two axial location steps that are separately positioned on rotor section 2 two ends, i.e. the first axial location step 22 and the second axial location step 23.Be provided with the bulge loop 12 that can lean with the first axial location step 22 on motor shaft 1, bulge loop 12 is connected as a single entity structure with motor shaft 1.On motor shaft 1, also be provided with cannelure 13, in cannelure 13, be provided with the annular solid 4 that can lean with the second axial location step 23.
Because rotor section 2 of the present utility model adopts the powdered metallurgical material manufacturing, therefore effectively utilizes obsolete material, resource regeneration reduces production costs greatly, and has the advantage of environmental protection and energy saving.Powder metallurgy and binding agent mix, and carry out die cast, and high temperature sintering promptly gets rotor section 2 after the cooling then.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as motor shaft 1, raised line 11, bulge loop 12, cannelure 13, rotor section 2, location hole 21, the first axial location step 22, the second axial location step 23, end ring 24, annular solid 4 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (5)
1. rotor assembly, comprise motor shaft (1) and be fixed on rotor section (2) on the motor shaft (1), it is characterized in that, described rotor section (2) is integral structure cylindric and for being made by powdered metallurgical material, is provided with location structure between described rotor section (2) and the motor shaft (1).
2. rotor assembly according to claim 1, it is characterized in that, described location structure comprises the location hole (21) that is arranged on rotor section (2) center and is arranged at least one raised line (11) on motor shaft (1) surface that described raised line (11) is positioned at location hole (21) and both interference fit.
3. rotor assembly according to claim 2 is characterized in that, described raised line (11) extends axially along motor shaft (1), and each raised line (11) evenly distributes in a circumferential direction.
4. according to claim 2 or 3 described rotor assemblies, it is characterized in that, described location structure also comprises two axial location steps that are separately positioned on rotor section (2) two ends, the i.e. first axial location step (22) and the second axial location step (23), on motor shaft (1), be provided with the bulge loop (12) that can lean with the first axial location step (22), on motor shaft (1), also be provided with cannelure (13), in cannelure (13), be provided with the annular solid (4) that can lean with the second axial location step (23).
5. rotor assembly according to claim 4 is characterized in that, an end of described rotor section (2) has the end ring (24) that radially protrudes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206350256U CN201868961U (en) | 2010-11-26 | 2010-11-26 | Motor rotor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206350256U CN201868961U (en) | 2010-11-26 | 2010-11-26 | Motor rotor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201868961U true CN201868961U (en) | 2011-06-15 |
Family
ID=44140104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206350256U Expired - Lifetime CN201868961U (en) | 2010-11-26 | 2010-11-26 | Motor rotor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201868961U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098163A (en) * | 2021-04-19 | 2021-07-09 | 云南铜业压铸科技有限公司 | Cast copper rotor for high-rotation-speed motor and preparation method thereof |
-
2010
- 2010-11-26 CN CN2010206350256U patent/CN201868961U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098163A (en) * | 2021-04-19 | 2021-07-09 | 云南铜业压铸科技有限公司 | Cast copper rotor for high-rotation-speed motor and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU GONGJIN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HANGZHOU CHUNLAN ELECTRIC APPLIANCES CO., LTD. Effective date: 20140409 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140409 Address after: 311251, Xiaoshan District, Zhejiang City, Hangzhou Province town of temporary Cross Village Patentee after: NI ZHENGYAO Address before: Lin Pu Zhen ni cun Nan Hou Hangzhou Chunlan Electric Co. Ltd. of Xiaoshan District of Hangzhou City, Zhejiang province 311251 Patentee before: HANGZHOU CHUNLAN ELECTRIC EQUIPMENT CO., LTD. |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG HANMA OPTOELECTRONIC EQUIPMENT CO., LTD. Free format text: FORMER OWNER: HANGZHOU GONGJIN TECHNOLOGY CO., LTD. Effective date: 20150204 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150204 Address after: 311251, Hummer building 6F, Renmin Road, Hangzhou Town, Xiaoshan District, Zhejiang, 30 Patentee after: Zhejiang Hanma Optoelectronic Equipment Co., Ltd. Address before: 311251, Xiaoshan District, Zhejiang City, Hangzhou Province town of temporary Cross Village Patentee before: NI ZHENGYAO |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110615 |
|
| CX01 | Expiry of patent term |