CN203445713U - New type motor rotor - Google Patents
New type motor rotor Download PDFInfo
- Publication number
- CN203445713U CN203445713U CN201320484261.6U CN201320484261U CN203445713U CN 203445713 U CN203445713 U CN 203445713U CN 201320484261 U CN201320484261 U CN 201320484261U CN 203445713 U CN203445713 U CN 203445713U
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- China
- Prior art keywords
- mentioned
- fan blade
- rotor
- bar shaped
- insulating case
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- Expired - Fee Related
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model discloses a new type motor rotor. The new type motor rotor comprises a rotor body. The rotor body comprises a rotor shaft, a rotor winding and a fan blade. The rotor winding is fixedly sleeved outside the rotor shaft. The fan blade is sleeved outside the rotor shaft through an insulation sleeve. The fan blade comprises an installation hole and a plurality of blades which are fixed outside the installation hole and uniformly separated and distributed in the circumferential direction of the installation hole. The installation hole and the insulation sleeve are connected together in a sleeving and matching manner. The fan blade is located on the rotor winding. The installation hole and the insulation sleeve are provided with a concave-convex matching-type locating structure. The new type motor rotor of the utility model has the following advantages that through the locating structure, the installation hole and the insulation sleeve are in limited solid matching, so the tight degree between the installation hole and the insulation sleeve can be increased, and the installation hole and the insulation sleeve are not easy to disengage from each other, so that the fan blade is not easy to disengage from the insulation sleeve, and the problem of short motor service life caused by the reason that the fan blade is easy to disengage from the insulation sleeve after a long time use so as to make the heat dissipation of the motor rotor cannot be performed can be avoided.
Description
Technical field
The utility model belongs to motor technology field, specifically refers to a kind of motor rotor.
Background technology
Motor is a kind of a kind of slewing that converts electric energy to mechanical energy, and wherein the rotor of motor is the actionless part of motor, mainly for generation of rotating magnetic field.Known existing motor rotor, comprise rotor body, this rotor body has armature spindle, rotor winding and fan blade, this rotor winding fixed cover is located at outside this armature spindle, this fan blade is set in outside this armature spindle by insulating case, and place, the centre of this fan blade offers installing hole, and this fan blade is locked outside this insulating case by this installing hole, this fan blade is outside rotor winding, in order to the heat radiation of rotor body.Yet, the motor rotor of this kind of structure, because being cover, the installing hole of insulating case and fan blade is equipped with, be that the madial wall of installing hole and the lateral wall of insulating case are adjacent to mutually, after long-time use, between the madial wall of installing hole and the lateral wall of insulating case, can there is gap, the degree of fiting between fan blade and insulating case can be died down, cause fan blade easily from insulating case, to come off out, motor rotor cannot be dispelled the heat, thereby shorten the useful life of motor.
In view of this, the inventor conducts in-depth research motor rotor structure, and this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of Novel motor rotor, to solve in prior art because fan blade after long-term use easily comes off out from insulating case, motor rotor cannot be dispelled the heat cause the shorter problem in useful life of motor.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of Novel motor rotor, comprise rotor body, this rotor body has armature spindle, rotor winding and fan blade, this rotor winding fixed cover is located at outside this armature spindle, this fan blade is set in outside this armature spindle by insulating case, the place, centre of this fan blade offers installing hole, and this fan blade is locked outside this insulating case by this installing hole, and this fan blade is outside rotor winding; The madial wall of above-mentioned installing hole is provided with the concavo-convex location structure coordinating with the lateral wall of above-mentioned insulating case.
The madial wall of above-mentioned installing hole convexes with the bar shaped locating convex block that the some axial directions along above-mentioned armature spindle extend, each above-mentioned bar shaped locating convex block is evenly spaced apart along the circumferencial direction of above-mentioned installing hole, and the lateral wall of above-mentioned insulating case is concaved with and supplies each above-mentioned bar shaped locating convex block corresponding slipping in interior fixing bar shaped detent respectively.
On the lateral wall of above-mentioned insulating case, convex with the bar shaped locating convex block that the some axial directions along above-mentioned insulating case extend, each above-mentioned bar shaped locating convex block is evenly spaced apart along the circumferencial direction of above-mentioned insulating case, and the madial wall of above-mentioned installing hole is concaved with and supplies each above-mentioned bar shaped locating convex block corresponding slipping in interior fixing bar shaped detent respectively.
Above-mentioned bar shaped locating convex block is provided with four, and above-mentioned bar shaped detent is correspondingly provided with four.
Adopt after such scheme, a kind of Novel motor rotor of the present utility model, because the madial wall of installing hole and the lateral wall of insulating case are provided with the concavo-convex location structure coordinating, like this, by this location structure, insulating case is limit solid in installing hole, strengthened the degree of fiting between fan blade and insulating case, make fan blade be difficult for spinning off from insulating case, guaranteed the heat radiation of motor rotor, avoided fan blade after long-time use easily from insulating case, to come off out and motor rotor cannot have been dispelled the heat and cause the shorter problem in useful life of motor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is end view of the present utility model.
In figure:
Rotor winding 12 fan blades 13
Embodiment
In order further to explain the technical solution of the utility model, below by specific embodiment, the utility model is elaborated.
A kind of Novel motor rotor of the utility model, as Fig. 1, shown in 2, comprise rotor body 1, this rotor body 1 has armature spindle 11, rotor winding 12 and fan blade 13, these rotor winding 12 fixed covers are located at outside this armature spindle 11, this fan blade 13 is set in outside this armature spindle 11 by insulating case 14, the place, centre of this fan blade 13 offers installing hole, this fan blade 13 is locked and is arranged on outside insulating case 14 by this installing hole, be that the madial wall of installing hole and the lateral wall of insulating case 14 are affixed tight fit, this fan blade 13 is outside rotor winding 12, the madial wall of this installing hole is provided with the concavo-convex location structure coordinating with the lateral wall of insulating case 14, be on the lateral wall of insulating case 14, to convex with the bar shaped locating convex block 141 that the some axial directions along insulating case 14 extend, each bar shaped locating convex block 141 is evenly spaced apart along the circumferencial direction of insulating case 14, the madial wall of installing hole is concaved with and supplies each bar shaped locating convex block 141 corresponding slipping in interior fixing bar shaped detent (not shown) respectively, by bar shaped locating convex block 141 and coordinating of bar shaped detent realizing the stationary positioned of insulating case 14 in installing hole.
A kind of Novel motor rotor that the utility model relates to, between the lateral wall of this insulating case 14 and the madial wall of installing hole except by being affixed tight fit, also by bar shaped locating convex block 141 and bar shaped detent coordinate can realize the stationary positioned of insulating case 14 in installing hole, strengthened the degree of fiting between fan blade 13 and insulating case 14, make fan blade 13 fan blades 13 be difficult for spinning off from insulating case 14, guaranteed the heat radiation of motor rotor, having avoided fan blade after long-time use easily from insulating case, to come off out cannot dispel the heat motor rotor and causes the shorter problem in useful life of motor.
In the utility model, bar shaped locating convex block 141 arranges four and bar shaped detent and arranges four for best implementation result.
In the utility model, bar shaped locating convex block also can arrange on the madial wall of installing hole, and this bar shaped locating convex block extends setting along the axial direction of armature spindle, bar shaped detent corresponding female is located on the lateral wall of insulating case, so also can identically realize the stationary positioned effect of insulating case in installing hole.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not departing from patent category of the present utility model.
Claims (4)
1. a Novel motor rotor, comprise rotor body, this rotor body has armature spindle, rotor winding and fan blade, this rotor winding fixed cover is located at outside this armature spindle, this fan blade is set in outside this armature spindle by insulating case, the place, centre of this fan blade offers installing hole, and this fan blade is locked outside this insulating case by this installing hole, and this fan blade is outside rotor winding; It is characterized in that: the madial wall of above-mentioned installing hole is provided with the concavo-convex location structure coordinating with the lateral wall of above-mentioned insulating case.
2. a kind of Novel motor rotor as claimed in claim 1, it is characterized in that: the madial wall of above-mentioned installing hole convexes with the bar shaped locating convex block that the some axial directions along above-mentioned armature spindle extend, each above-mentioned bar shaped locating convex block is evenly spaced apart along the circumferencial direction of above-mentioned installing hole, and the lateral wall of above-mentioned insulating case is concaved with and supplies each above-mentioned bar shaped locating convex block corresponding slipping in interior fixing bar shaped detent respectively.
3. a kind of Novel motor rotor as claimed in claim 1, it is characterized in that: on the lateral wall of above-mentioned insulating case, convex with the bar shaped locating convex block that the some axial directions along above-mentioned insulating case extend, each above-mentioned bar shaped locating convex block is evenly spaced apart along the circumferencial direction of above-mentioned insulating case, and the madial wall of above-mentioned installing hole is concaved with and supplies each above-mentioned bar shaped locating convex block corresponding slipping in interior fixing bar shaped detent respectively.
4. a kind of Novel motor rotor as claimed in claim 2 or claim 3, is characterized in that: above-mentioned bar shaped locating convex block is provided with four, and above-mentioned bar shaped detent is correspondingly provided with four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320484261.6U CN203445713U (en) | 2013-08-08 | 2013-08-08 | New type motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320484261.6U CN203445713U (en) | 2013-08-08 | 2013-08-08 | New type motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203445713U true CN203445713U (en) | 2014-02-19 |
Family
ID=50096729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320484261.6U Expired - Fee Related CN203445713U (en) | 2013-08-08 | 2013-08-08 | New type motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203445713U (en) |
-
2013
- 2013-08-08 CN CN201320484261.6U patent/CN203445713U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20190808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |