CN101154873A - Linear electric motor with movable armature core - Google Patents
Linear electric motor with movable armature core Download PDFInfo
- Publication number
- CN101154873A CN101154873A CNA2006100158877A CN200610015887A CN101154873A CN 101154873 A CN101154873 A CN 101154873A CN A2006100158877 A CNA2006100158877 A CN A2006100158877A CN 200610015887 A CN200610015887 A CN 200610015887A CN 101154873 A CN101154873 A CN 101154873A
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- CN
- China
- Prior art keywords
- armature core
- axle
- air gap
- electric motor
- linear electric
- 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.)
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Abstract
The invention relates to a linear motor with a movable armature core. Two end covers are separately connected with two ends of a shell; the outer rings of two bearings are respectively fixed inside the inner holes of the two end covers; the inner ring of the bearing is connected with an axle; the axle is sheathed with the armature core; the outer periphery of a cylindrical non-armature core closely matches with the inner face of the shell; an air gap is formed between the armature core and the non-armature core; Annular tooth spaces are arranged one by one along the axial direction on the surface of the armature core and the non-armature core facing the air gap; each tooth space on the armature core is provided with an annular permanent magnet. The invention has the advantages of evenly distribution of the exciting magnetic field along with the axial direction and the improved performance-volume ratio of the motor.
Description
Technical field
The present invention relates to a kind of linear electric motor with movable armature core.
Background technology
Traditional cylindrical shape hybrid linear motor, excitation field skewness, motor properties volume ratio vertically are low.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, a kind of linear electric motor with movable armature core is provided.
Technical scheme of the present invention is: a kind of linear electric motor with movable armature core, it is characterized in that: two end caps are connected to the casing two ends, the outer shroud of two bearings is separately fixed in the endoporus of two end caps, the interior ring of bearing is fixedlyed connected with axle, armature core is sleeved on the axle, the periphery of the non-armature core of cylindrical shape and the inner surface of casing closely cooperate, form air gap between armature core and non-armature core, armature core and non-armature core are equipped with annular permanent magnet facing to the teeth groove that has annular on the face of air gap vertically successively in each teeth groove on armature core.
The present invention has the following advantages: excitation field is evenly distributed vertically, the motor properties volume ratio improves.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Embodiment: a kind of linear electric motor with movable armature core, two end caps 7 are connected to casing 5 two ends, the outer shroud of two bearings 8 is separately fixed in the endoporus of two end caps 7, the interior ring of bearing 8 is fixedlyed connected with axle 9, armature core 3 is sleeved on the axle 9, the periphery of the non-armature core 6 of cylindrical shape and the inner surface of casing 5 closely cooperate, 6 of armature core 3 and non-armature cores form air gap 10, armature core 3 and non-armature core 6 are equipped with annular permanent magnet 1 facing to the teeth groove that has annular on the face of air gap 10 vertically successively among each the teeth groove 3-1 on armature core 3.
Claims (1)
1. linear electric motor with movable armature core, it is characterized in that: two end caps are connected to the casing two ends, the outer shroud of two bearings is separately fixed in the endoporus of two end caps, the interior ring of bearing is fixedlyed connected with axle, armature core is sleeved on the axle, the periphery of the non-armature core of cylindrical shape and the inner surface of casing closely cooperate, form air gap between armature core and non-armature core, armature core and non-armature core are equipped with annular permanent magnet facing to the teeth groove that has annular on the face of air gap vertically successively in each teeth groove on armature core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100158877A CN101154873A (en) | 2006-09-25 | 2006-09-25 | Linear electric motor with movable armature core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100158877A CN101154873A (en) | 2006-09-25 | 2006-09-25 | Linear electric motor with movable armature core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101154873A true CN101154873A (en) | 2008-04-02 |
Family
ID=39256377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100158877A Withdrawn CN101154873A (en) | 2006-09-25 | 2006-09-25 | Linear electric motor with movable armature core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101154873A (en) |
-
2006
- 2006-09-25 CN CNA2006100158877A patent/CN101154873A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |