CN201639376U - Motor stator punching sheet - Google Patents
Motor stator punching sheet Download PDFInfo
- Publication number
- CN201639376U CN201639376U CN2010201034638U CN201020103463U CN201639376U CN 201639376 U CN201639376 U CN 201639376U CN 2010201034638 U CN2010201034638 U CN 2010201034638U CN 201020103463 U CN201020103463 U CN 201020103463U CN 201639376 U CN201639376 U CN 201639376U
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- CN
- China
- Prior art keywords
- section
- stator punching
- punching sheet
- motor stator
- slot part
- 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
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- Manufacture Of Motors, Generators (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a motor stator punching sheet. The cross section of the motor stator punching sheet includes a groove portion and a tooth portion which are arrayed at intervals along the inner ring surface of the punching sheet; the bottom edge of the groove portion includes a first section and two second sections distributed on two sides of the first section; the first section is a straight line section or a circular arc section with a radius R1; and each second section is a circular arc section with a radius R2, wherein R1 is not equal to R2. The motor stator punching sheet not only has fine magnetic conductivity, but also can be embedded into an enameled wire with a larger sectional area, thereby being capable of decreasing the length of a stator iron core or decreasing the diameter of an outer circle of the stator punching sheet and effectively reducing material cost.
Description
Technical field
The utility model relates to field of motor manufacturing, relates in particular to a kind of punching that is used on the stator module of motor.
Background technology
As the motor of mechanical device heart, its main material is iron, copper, aluminium.Because the especially rise of iron, copper price that generally goes up of the current prices of raw and semifnished materials causes present motor manufacturing cost soaring rapidly.The stator punching slot part shape of cross section of existing motor comprises Fig. 3 and two kinds of situations shown in Figure 4.Stator punching slot part base shape shown in Figure 3 is the semicircle that a radius is R, and is less because of area though the slot part magnetic property of this shape is good, can not embed the bigger enamelled wire of sectional area.Stator punching slot part shown in Figure 4 base shape is straight line or the near linear that width is B, helps embedding the bigger enamelled wire of sectional area though the slot part area of this shape is big, and magnetic property is relatively poor.
The utility model content
The purpose of this utility model just is, at the problems referred to above of the prior art, provides a kind of not only magnetic property good, can also embed the motor stator punching of the enamelled wire of larger sectional area, to solve above-mentioned defective of the prior art.
For achieving the above object, the technical solution of the utility model is to adopt a kind of motor stator punching, its cross section comprises slot part and tooth portion, this slot part and tooth portion are along the inner ring surface of punching alternately, the base of described slot part comprises one first section and be distributed in two second section of this first section both sides, described first section is that straightway or radius are the arc section of R1, and described second section is the arc section of R2 for radius, R1 ≠ R2.
Preferably, the base width of establishing described slot part is B, and then the ratio of R2 and width B is 0.05～0.45.
Motor stator punching of the present utility model not only magnetic property is good, can also embed the enamelled wire of larger sectional area, therefore can reduce stator core length or reduce the stator punching outside diameter, effectively reduces material cost.
Description of drawings
Fig. 1 is the cross-sectional view of motor stator punching of the present utility model;
Fig. 2 is the structure chart of slot part of the present utility model;
Fig. 3 is the structure chart of slot part in the past;
Fig. 4 is the another kind of structure chart of slot part in the past.
Among the figure: C, slot part; K, tooth portion; H, yoke portion.
Embodiment
Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
Fig. 1 is the cross-sectional view of the motor stator punching of present embodiment.As shown in Figure 1, the cross section of motor stator punching comprises slot part C and the K of tooth portion, this slot part C and the K of tooth portion are along the inner ring surface of punching alternately, the base of slot part C comprises first section C1 and is distributed in two second section C2 of these first section C1 both sides, first section C1 is that length is the straightway of A, and second section C2 is that radius is the arc section of R2.Expression in Fig. 2 first section C1 situation of section linearly, be the arc section of R1 but described first section C1 can also be radius, this moment R1 ≠ R2.
Wherein, the base width of slot part C1 is B1, and the ratio of R2 and width B 1 is 0.05～0.45.
And preferably, two sides of the K of tooth portion are parallel to each other or are approximate parallel.
The magnetic flux distribution of tooth K of portion of the present utility model and the H of yoke portion rationally and relative equilibrium helps reducing the iron loss of punching, reduces that the motor feels hot, reduces winding temperature rise.
And motor stator punching of the present utility model not only magnetic property is good, can also embed the enamelled wire of larger sectional area, therefore can reduce stator core length or reduce the stator punching outside diameter, effectively reduces material cost.
More than be preferred forms of the present utility model, according to the disclosed content of the utility model, those of ordinary skill in the art can expect some identical, replacement schemes apparently, but these schemes all should fall into the scope of the utility model protection.
Claims (2)
1. motor stator punching, its cross section comprises slot part and tooth portion, this slot part and tooth portion is characterized in that along the inner ring surface of punching alternately,
The base of described slot part comprises one first section and be distributed in two second section of this first section both sides,
Described first section is that straightway or radius are the arc section of R1, and described second section is the arc section of R2 for radius, R1 ≠ R2.
2. motor stator punching as claimed in claim 1 is characterized in that, the base width of establishing described slot part is B1, and then the ratio of R2 and width B 1 is 0.05～0.45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201034638U CN201639376U (en) | 2010-01-22 | 2010-01-22 | Motor stator punching sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201034638U CN201639376U (en) | 2010-01-22 | 2010-01-22 | Motor stator punching sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201639376U true CN201639376U (en) | 2010-11-17 |
Family
ID=43083883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201034638U Expired - Fee Related CN201639376U (en) | 2010-01-22 | 2010-01-22 | Motor stator punching sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201639376U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290891A (en) * | 2011-08-22 | 2011-12-21 | 浙江泰达微电机有限公司 | Rotor punching sheet |
| CN103904794A (en) * | 2014-03-28 | 2014-07-02 | 湖北立锐机电有限公司 | Motor punching sheet used for being matched with polygon varnished wires and rotating motor with motor punching sheet |
| CN108847728A (en) * | 2018-08-14 | 2018-11-20 | 台邦电机工业集团有限公司 | Brushless high density wound stator punching |
-
2010
- 2010-01-22 CN CN2010201034638U patent/CN201639376U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290891A (en) * | 2011-08-22 | 2011-12-21 | 浙江泰达微电机有限公司 | Rotor punching sheet |
| CN103904794A (en) * | 2014-03-28 | 2014-07-02 | 湖北立锐机电有限公司 | Motor punching sheet used for being matched with polygon varnished wires and rotating motor with motor punching sheet |
| CN108847728A (en) * | 2018-08-14 | 2018-11-20 | 台邦电机工业集团有限公司 | Brushless high density wound stator punching |
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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: 20101117 Termination date: 20160122 |
|
| EXPY | Termination of patent right or utility model |