CN201887571U - Stator structure for fractional electric motor - Google Patents
Stator structure for fractional electric motor Download PDFInfo
- Publication number
- CN201887571U CN201887571U CN2010206994234U CN201020699423U CN201887571U CN 201887571 U CN201887571 U CN 201887571U CN 2010206994234 U CN2010206994234 U CN 2010206994234U CN 201020699423 U CN201020699423 U CN 201020699423U CN 201887571 U CN201887571 U CN 201887571U
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- Prior art keywords
- stator
- stator punching
- square
- small power
- power motor
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Abstract
The utility model discloses a stator structure for a fractional electric motor, which comprises a plurality of stator punchings (3), wherein a stator (1) is formed by coinciding and overlying outlines of the stator punchings (3); a circular inner hole is formed in each stator punching (3); and the peripheral shape of each stator punching (3) of the electric motor is that a square is taken as a foundation, the shape of four corners adopts four sections of arcs on an excircle, and the center of the excircle is coincident with an intersection point of diagonal lines of the square. By adopting the technical scheme, the ventilation effect of the electric motor is good, the temperature rise of the electric motor is slowed down, the material cost is reduced, and the product property is improved.
Description
Technical field
The utility model belongs to the technical field of small power motor structure.Specifically, the utility model relates to the stator structure of small power motor.
Background technology
In the prior art, small power motor generally adopts circular stator laminating structure, but adopts the motor of circular stator laminating structure to exist following problem always:
When motor moved, because air duct is narrow, electric motor overheating influenced motor and normally moves.Simultaneously, adopt the structure of circular stator punching that motor weight is increased.
The utility model content
At above-mentioned defective, the utility model provides a kind of stator structure of small power motor, its objective is to improve the motor ventilation effect, avoids the temperature rise of motor too high, alleviates motor weight simultaneously, reduces cost.
To achieve these goals, the technical scheme taked of the utility model is:
This small power motor provided by the utility model, comprise the multi-disc stator punching, described stator punching profile overlaps and laminates back formation stator, described stator punching is provided with circular inner hole, the shape of the outer rim of described motor stator punching is: based on square, its four angles be shaped as a four arcs on the cylindrical, the center of circle of this cylindrical overlaps with described square diagonal intersection point.
Novelty of the present utility model, creativeness and practicality also are embodied in the following more detailed and concrete technical scheme, can realize goal of the invention better:
Described stator punching is respectively equipped with the cramp groove on described four arcs, described stator punching laminates the back and withholds described stator punching fixing by four cramps in described cramp groove.
When described small power motor is 2 pole motors, the described square length of side is to the distance of this square diagonal intersection point, the little 8mm of radius than described cylindrical, described circular inner hole upper edge circumference is 18 line embedding grooves of distribution evenly, and the described square length of side to the bottom land of described line embedding groove is of a size of 12mm.
When described small power motor is 4 pole motors, the described square length of side is to the distance of this square diagonal intersection point, the little 5mm of radius than described cylindrical, described circular inner hole upper edge circumference is 30 line embedding grooves of distribution evenly, and the described square length of side to the bottom land of described line embedding groove is of a size of 8mm.
The utility model adopts technique scheme, and compared with prior art, the ventilation effect of motor is good, has avoided the phenomenon of electric motor overheating, has reduced cost, has improved properties of product, simultaneously, owing to reduced the silicon steel sheet consumption, has also alleviated motor weight.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure are made brief description:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the schematic diagram of stator punching in the structure shown in Figure 1.
Be labeled as among the figure:
1, stator, 2, support, 3, stator punching, 4, cramp.
Embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and operation principle, the manufacturing process of the mutual alignment between the shape of embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present utility model, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present utility model structure expressed as Fig. 1, Fig. 2 is a kind of stator structure of small power motor, comprises stator 1, support 2, stator punching 3, cramp 4 etc., and described stator 1 is at support 2 internal fixation.
In order to solve the problem that exists at the described present known technology of this specification background technology part and to overcome its defective, realize optimizing the radiator structure of small power motor, avoid the goal of the invention of electric motor overheating, the technical scheme that the utility model is taked is:
As depicted in figs. 1 and 2, the stator structure of this small power motor provided by the utility model, comprise multi-disc stator punching 3, all described stator punching 3 profiles overlap and laminate back formation stator 1, described stator punching 3 is provided with circular inner hole, the shape of the outer rim of described motor stator punching 3 is: based on square, its four angles be shaped as a four arcs on the cylindrical, the center of circle of this cylindrical overlaps with described square diagonal intersection point.
Adopt such scheme, obtain satisfied ventilation effect behind the motor operation, avoid the phenomenon of electric motor overheating, reduce cost, enhance product performance.Simultaneously, owing to reduced the silicon steel sheet consumption, also alleviated motor weight.
Embodiment one:
As shown in Figure 2, the stator punching 3 described in the utility model is respectively equipped with the cramp groove on described four arcs, and described stator punching 3 laminates the back and withholds described stator punching 3 fixing by four cramps 4 in described cramp groove.
Embodiment two:
As shown in Figure 2, in the utility model when described small power motor is 2 pole motors, the described stator punching 3 square length of sides are to the distance of this square diagonal intersection point, the little 8mm of radius than described cylindrical, described circular inner hole upper edge circumference is 18 line embedding grooves of distribution evenly, and the described square length of side to the bottom land of described line embedding groove is of a size of 12mm.
Embodiment three:
As shown in Figure 2, in the utility model when described small power motor is 4 pole motors, the described stator punching 3 square length of sides are to the distance of this square diagonal intersection point, the little 5mm of radius than described cylindrical, described circular inner hole upper edge circumference is 30 line embedding grooves of distribution evenly, and the described square length of side to the bottom land of described line embedding groove is of a size of 8mm.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection range of the present utility model.
Claims (4)
1. the stator structure of a small power motor, comprise multi-disc stator punching (3), described stator punching (3) profile overlaps and laminates back formation stator (1), described stator punching (3) is provided with circular inner hole, it is characterized in that: the shape of the outer rim of described motor stator punching (3) is: based on square, its four angles be shaped as a four arcs on the cylindrical, the center of circle of this cylindrical overlaps with described square diagonal intersection point.
2. according to the stator structure of the described small power motor of claim 1, it is characterized in that: described stator punching (3) is respectively equipped with the cramp groove on described four arcs, and described stator punching (3) laminates the back and withholds described stator punching (3) fixing by four cramps (4) in described cramp groove.
3. according to the stator structure of the described small power motor of claim 1, it is characterized in that: when described small power motor is 2 pole motors, the described square length of side is to the distance of this square diagonal intersection point, the little 8mm of radius than described cylindrical, described circular inner hole upper edge circumference is 18 line embedding grooves of distribution evenly, and the described square length of side to the bottom land of described line embedding groove is of a size of 12mm.
4. according to the stator structure of the described small power motor of claim 1, it is characterized in that: when described small power motor is 4 pole motors, the described square length of side is to the distance of this square diagonal intersection point, the little 5mm of radius than described cylindrical, described circular inner hole upper edge circumference is 30 line embedding grooves of distribution evenly, and the described square length of side to the bottom land of described line embedding groove is of a size of 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206994234U CN201887571U (en) | 2010-12-23 | 2010-12-23 | Stator structure for fractional electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206994234U CN201887571U (en) | 2010-12-23 | 2010-12-23 | Stator structure for fractional electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201887571U true CN201887571U (en) | 2011-06-29 |
Family
ID=44185116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206994234U Expired - Fee Related CN201887571U (en) | 2010-12-23 | 2010-12-23 | Stator structure for fractional electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201887571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852488A (en) * | 2015-04-18 | 2015-08-19 | 芜湖通力电机有限责任公司 | Stator plate structure of low power motor |
-
2010
- 2010-12-23 CN CN2010206994234U patent/CN201887571U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852488A (en) * | 2015-04-18 | 2015-08-19 | 芜湖通力电机有限责任公司 | Stator plate structure of low power motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20131223 |