CN203377692U - Stator punching sheet of motor - Google Patents
Stator punching sheet of motor Download PDFInfo
- Publication number
- CN203377692U CN203377692U CN201320455501.XU CN201320455501U CN203377692U CN 203377692 U CN203377692 U CN 203377692U CN 201320455501 U CN201320455501 U CN 201320455501U CN 203377692 U CN203377692 U CN 203377692U
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- Prior art keywords
- motor
- punching sheet
- stator punching
- round
- projection
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- Expired - Fee Related
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Abstract
The utility model belongs to the technical fields of motors, and relates to a stator punching sheet of a motor, especially suitable for a motor in a relatively large power. The stator punching sheet comprises a stator punching sheet body, multiple punching sheet grooves are uniformly arranged in the inner circumferential surface of the stator punching sheet body, a projection is formed between each two adjacent punching sheet grooves, grooves are symmetrically formed at the two sides of the bottom of each projection, and an air vent is formed at an upper middle position of each projection. According to the utility model, it is only required to change a single-punching die of the stator punching sheet in the manufacturing process instead of changing an original assembling manner of the motor. The punching sheet is used for the motor with molded winding and axial ventilation; and under the condition that original design data of the motor is not changed, heat radiation of an iron core can be improved, and temperature rise of the motor is further reduced.
Description
Technical field
The utility model belongs to the motor technology field, relates to a kind of stator punching of motor, specifically is specially adapted to the motor that power is larger.
Background technology
Along with the development of China's industrial economy, industrial equipment is also more and more higher to the requirement of necessary electromotor, and heavy-duty motor is tending towards the inexorable trend that miniaturization is its development.
In the design of heavy-duty motor, the control of electric machine temperature rise is often more difficult than its electric property, also just more seems important.Stator punching in motor for the electric machine stator iron of stator winding formed coil, the structure of punching has vital effect for the quality of motor radiating performance, the factor of ventilating is not usually all considered in existing punching when design, causes existing punching usually can not meet instructions for use.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of stator punching of simple in structure, ingenious, rational motor is provided, this stator punching can be in the situation that do not improve the motor magnetic loading, effectively improve the radiating condition of motor, thereby play the effect that reduces electric machine temperature rise.
The technical scheme provided according to the utility model: a kind of stator punching of motor, be characterised in that: comprise the stator punching body, described stator punching body inner headed face is uniform arranges some punching grooves, form projection between adjacent two punching grooves, the two bottom sides symmetry of described projection offers groove, and the upper middle position of projection offers ventilation hole.
As further improvement of the utility model, described ventilation hole comprises the first half-round, the second half-round and is connected in the trapezoidal hole section between described the first half-round, the second half-round, and the diameter of the second half-round is greater than the diameter of the first half-round.
As further improvement of the utility model, described bottom portion of groove is the arc transition shape.
Compared with prior art, advantage is the utility model: the utility model only needs to change the one-shot mould of stator punching in manufacture process, does not change original assembling mode of motor.This punching, for moulding winding, axial ventilation motor, in the situation that do not change original design data of motor, can improve the heat radiation of iron core, and then reduces the temperature rise of motor.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The structural representation that Fig. 2 is ventilation hole in the utility model.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, comprise stator punching body 1, punching groove 2, ventilation hole 3, the first half-round 3-1, the second half-round 3-2, the 3-3 of trapezoidal hole section, groove 4, projection 5 etc.
As shown in Figure 1, the utility model is a kind of stator punching of motor, comprise stator punching body 1, described stator punching body 1 inner headed face is uniform arranges some punching grooves 2, form projection 5 between adjacent two punching grooves 2, described protruding 5 two bottom sides symmetry offers groove 4, and the upper middle position of projection 5 offers ventilation hole 3.
Described ventilation hole 3 comprises the first half-round 3-1, the second half-round 3-2 and is connected in the 3-3 of trapezoidal hole section between described the first half-round 3-1, the second half-round 3-2, and the diameter of the second half-round 3-2 is greater than the diameter of the first half-round 3-1.
Described groove 4 bottoms are the arc transition shape.
For the temperature rise that guarantees motor does not exceed standard, stator punching body 1 of the present utility model should adopt the low-loss silicon steel sheet of high-quality in process of production, reduces iron loss; By improving the structure of stator punching body 1, that is, offer the ventilation cooling condition that ventilation hole 3 improves motor on stator punching body 1 on the other hand, effectively reduce the temperature rise of motor.
Claims (3)
1. the stator punching of a motor, it is characterized in that: comprise stator punching body (1), the uniform some punching grooves (2) that arrange of described stator punching body (1) inner headed face, form projection (5) between adjacent two punching grooves (2), the two bottom sides symmetry of described projection (5) offers groove (4), and the upper middle position of projection (5) offers ventilation hole (3).
2. the stator punching of motor as claimed in claim 1, it is characterized in that: described ventilation hole (3) comprises the first half-round (3-1), the second half-round (3-2) and is connected in the trapezoidal hole section (3-3) between described the first half-round (3-1), the second half-round (3-2), and the diameter of the second half-round (3-2) is greater than the diameter of the first half-round (3-1).
3. the stator punching of motor as claimed in claim 1, is characterized in that: be the arc transition shape bottom described groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320455501.XU CN203377692U (en) | 2013-07-29 | 2013-07-29 | Stator punching sheet of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320455501.XU CN203377692U (en) | 2013-07-29 | 2013-07-29 | Stator punching sheet of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203377692U true CN203377692U (en) | 2014-01-01 |
Family
ID=49840197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320455501.XU Expired - Fee Related CN203377692U (en) | 2013-07-29 | 2013-07-29 | Stator punching sheet of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203377692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103384096A (en) * | 2013-07-29 | 2013-11-06 | 中达电机股份有限公司 | Stator punch of motor |
-
2013
- 2013-07-29 CN CN201320455501.XU patent/CN203377692U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103384096A (en) * | 2013-07-29 | 2013-11-06 | 中达电机股份有限公司 | Stator punch of motor |
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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: 20140101 Termination date: 20150729 |
|
| EXPY | Termination of patent right or utility model |