CN213125672U - Motor rotor and high-impact-resistance motor - Google Patents
Motor rotor and high-impact-resistance motor Download PDFInfo
- Publication number
- CN213125672U CN213125672U CN202022257410.8U CN202022257410U CN213125672U CN 213125672 U CN213125672 U CN 213125672U CN 202022257410 U CN202022257410 U CN 202022257410U CN 213125672 U CN213125672 U CN 213125672U
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- sleeve
- soft magnetic
- rotor
- steel
- periphery
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Abstract
The utility model relates to the technical field of electric machines, a electric motor rotor and anti high impact motor is provided. The utility model discloses electric motor rotor and anti high impact motor, rotor are through cup jointing the axle of encapsulation from inside to outside, soft magnetic sleeve, magnet steel and stainless steel cover for rotor encapsulation structure as an organic whole makes its bulk strength improve several times, makes the rotor satisfy the impact requirement of axial superelevation g value, also satisfies its requirement at radial anti high impact vibration.
Description
Technical Field
The utility model relates to the technical field of electric machines, specifically relate to an electric motor rotor and anti high impact motor.
Background
At present, in the aspect of miniature special motors, particularly in the field of coreless motors (the diameter of the motor is less than 32mm), most of the miniature special motors are imported motors, but in the field of high-impact acceleration miniature motors with tens of thousands of g values for missile-borne steering engines, the imported motors are limited and cannot meet high impact requirements.
Disclosure of Invention
An embodiment of the utility model provides an electric motor rotor and anti high impact motor can make the motor resist the high impact. The specific technical scheme is as follows:
the utility model discloses a first aspect provides electric motor rotor, including soft magnetic sleeve, magnet steel, nonrust steel bushing and axle, soft magnetic sleeve cup joints in the periphery of axle, the magnetic steel bushing connects in the periphery of soft magnetic sleeve, the nonrust steel bushing cup joints in the periphery of magnet steel.
Furthermore, the ends of the soft magnetic sleeve, the magnetic steel and the stainless steel sleeve are fixedly connected through solidified resin.
Furthermore, the shaft limiting device further comprises a limiting sleeve, wherein the limiting sleeve is sleeved on the periphery of the shaft, and the end part of the soft magnetic sleeve is tightly attached to the limiting sleeve.
Furthermore, the limiting sleeve, the magnetic steel and the stainless steel sleeve are fixedly connected through cured resin.
Furthermore, the position limiting sleeve comprises a front position limiting sleeve and a rear position limiting sleeve, and the soft magnetic sleeve is positioned between the front position limiting sleeve and the rear position limiting sleeve.
Furthermore, the periphery of the soft magnetic sleeve is provided with a limit groove which is axially communicated, the inner periphery of the magnetic steel is provided with a limit bulge matched with the limit groove, and when the magnetic steel is sleeved with the soft magnetic sleeve, the limit groove is embedded with the limit bulge.
The utility model discloses the first aspect of the embodiment provides anti high impact motor, including the first aspect electric machine rotor.
The utility model discloses electric motor rotor and anti high impact motor, rotor are through cup jointing the axle of encapsulation from inside to outside, soft magnetic sleeve, magnet steel and stainless steel cover for rotor encapsulation structure as an organic whole makes its bulk strength improve several times, makes the rotor satisfy the impact requirement of axial superelevation g value, also satisfies its requirement at radial anti high impact vibration.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic view of an electric motor rotor according to an embodiment of the present invention.
Wherein, 1, resin; 2. a stainless steel sleeve; 3. a soft magnetic sleeve; 4. magnetic steel; 5. a limiting sleeve; 6. a shaft.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The terms "first" or "second", etc. are used merely to distinguish the same type of component or device, and do not represent limitations.
As shown in fig. 1, the utility model discloses electric motor rotor, including soft magnetic sleeve 3, magnet steel 4, nonrust steel bushing 2 and axle 6, soft magnetic sleeve 3 cup joints in the periphery of axle 6, and magnet steel 4 cup joints in the periphery of soft magnetic sleeve 3, and nonrust steel bushing 2 cup joints in the periphery of magnet steel 4.
Wherein, the end parts of the soft magnetic sleeve 3, the magnetic steel 4 and the stainless steel sleeve 3 are fixedly connected through the solidified resin 1.
In one embodiment, the rotor further comprises a limiting sleeve 5, the limiting sleeve 5 is sleeved on the periphery of the shaft 6, and the limiting sleeve 5 is tightly attached to the end portion of the soft magnetic sleeve 3.
In one embodiment, the position-limiting sleeve 5, the magnetic steel 4 and the stainless steel sleeve 2 are fixedly connected through the solidified resin 1.
In one embodiment, the position-limiting sleeve 5 comprises a front position-limiting sleeve and a rear position-limiting sleeve, and the soft magnetic sleeve 3 is positioned between the front position-limiting sleeve and the rear position-limiting sleeve.
In one embodiment, the periphery of the soft magnetic sleeve 3 is provided with a limit groove which is axially communicated, the inner periphery of the magnetic steel 4 is provided with a limit bulge matched with the limit groove, and when the magnetic steel 4 is sleeved with the soft magnetic sleeve 3, the limit groove and the limit bulge are embedded and connected with each other.
The utility model discloses anti high impact motor, including the electric motor rotor of this embodiment.
The rotor adopts a fully-closed design structure, the magnetic steel 4 is embedded into the soft magnetic sleeve 3, the layer of stainless steel sleeve 2 is sleeved outside the magnetic steel 4, the ends of the soft magnetic sleeve 3, the magnetic steel 4 and the stainless steel sleeve 2 can be limited and fixed through solidified resin, and the end displacement of the soft magnetic sleeve 3, the magnetic steel 4 and the stainless steel sleeve 2 is prevented when the rotor is impacted axially; the end part of the soft magnetic sleeve 3 can be limited by the limiting sleeve 5, and the soft magnetic sleeve 3 is prevented from displacing along the shaft 6 when being impacted axially; through setting up spacing groove and spacing arch for the inner periphery of magnet steel 4 can imbed the periphery of soft magnetic sleeve 3, makes and locks between soft magnetic sleeve 3 and the magnet steel 4, when making the rotor rotatory, prevents to slide global between soft magnetic sleeve 3 and the magnet steel 4.
The solidified resin has certain hardness and strength, and can resist the vibration of the rotor due to high impact, so that the rotor can be firmly connected with the soft magnetic sleeve 3, the magnetic steel 4, the stainless steel sleeve 2 and other components when being subjected to high impact, the packaging of the components is stable, and the components are prevented from being scattered due to vibration.
The motor rotor of the embodiment fixes all the parts due to the integrated structure after being packaged, so that the integrated strength of the motor rotor is improved by multiple times, and the rotor meets the impact requirement of an axial ultrahigh g value and also meets the requirement of radial high-impact vibration resistance.
It should be understood that the mounting between the structures in the embodiments of the present invention may refer to welding, bolting, screwing, scarf joining, and bonding; the connection between the pipes may be referred to as communication; the connection between the appliances may refer to an electrical connection. The present invention is not limited to the precise arrangements described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (7)
1. The utility model provides a motor rotor, its characterized in that includes soft magnetic sleeve, magnet steel, nonrust steel bushing and axle, soft magnetic sleeve cup joints in the periphery of axle, the periphery in soft magnetic sleeve is cup jointed to the magnetic steel bushing, nonrust steel bushing cup joints in the periphery of magnet steel.
2. An electric machine rotor as claimed in claim 1, in which the ends of the soft magnetic sleeve, magnetic steel and stainless steel sleeve are fixedly connected by cured resin.
3. The motor rotor as claimed in claim 1, further comprising a limiting sleeve, wherein the limiting sleeve is sleeved on the periphery of the shaft, and the limiting sleeve is tightly attached to the end portion of the soft magnetic sleeve.
4. The motor rotor as claimed in claim 3, wherein the spacing sleeve, the magnetic steel and the stainless steel sleeve are fixedly connected through cured resin.
5. The electric machine rotor as recited in claim 4, wherein the retaining sleeve comprises a front retaining sleeve and a rear retaining sleeve, and the soft magnetic sleeve is located between the front retaining sleeve and the rear retaining sleeve.
6. The motor rotor as claimed in claim 1, wherein the soft magnetic sleeve has an axially extending limiting groove on an outer periphery thereof, and a limiting protrusion matching with the limiting groove on an inner periphery thereof, and the limiting groove and the limiting protrusion are engaged with each other when the magnetic steel is coupled with the soft magnetic sleeve.
7. A high-impact-resistant electric machine, characterized in that it comprises an electric machine rotor according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022257410.8U CN213125672U (en) | 2020-10-12 | 2020-10-12 | Motor rotor and high-impact-resistance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022257410.8U CN213125672U (en) | 2020-10-12 | 2020-10-12 | Motor rotor and high-impact-resistance motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213125672U true CN213125672U (en) | 2021-05-04 |
Family
ID=75665848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022257410.8U Expired - Fee Related CN213125672U (en) | 2020-10-12 | 2020-10-12 | Motor rotor and high-impact-resistance motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213125672U (en) |
-
2020
- 2020-10-12 CN CN202022257410.8U patent/CN213125672U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210504 Termination date: 20211012 |