CN205377472U - Brushless motor's outer wound -rotor type stator towards piece and stator core - Google Patents
Brushless motor's outer wound -rotor type stator towards piece and stator core Download PDFInfo
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- CN205377472U CN205377472U CN201620029997.8U CN201620029997U CN205377472U CN 205377472 U CN205377472 U CN 205377472U CN 201620029997 U CN201620029997 U CN 201620029997U CN 205377472 U CN205377472 U CN 205377472U
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Abstract
The utility model relates to a brushless motor's outer wound -rotor type stator towards piece and stator core belongs to motor manufacturing field, and the stator includes stator tooth towards stator yoke portion towards the piece in piece and the joint outside in stator tooth towards the piece towards the piece, and stator tooth constitutes annular by a plurality of tooth portions with setting up in the end terminal of the root both sides of tooth portion towards the piece, and tooth portion is radial setting to centre of a circle outside, stator yoke portion be equipped with towards the inner ring of piece on with stator tooth towards the corresponding tooth portion notch of the tooth portion on the piece. It constitutes stator core to fold a plurality of stators of the aforesaid to press towards the piece. The utility model discloses an outer wound -rotor type winds back reuse stator yoke portion to tooth portion and carries out joint with stator tooth towards the piece towards the piece, and winding speed is fast, and the coiling machine requires not highly, has effectively reduced manufacturing cost, has improved production efficiency.
Description
Technical field
This utility model relates to outer Wound-rotor type stator punching and the stator core of a kind of brushless electric machine, belongs to motor processing and manufacturing field.
Background technology
The stationary part of motor is referred to as stator, and its ingredient mainly includes the parts such as stator core, stator winding, support.Stator core is as a part for motor magnetic circuit, and places stator winding thereon, and stator core is formed by the silicon steel plate stacking that some shapes are identical.
All to the center of circle, internal stretching, extension is arranged the teeth portion of traditional stator punching coordinating internal rotor to use, around formula coil winding machine in stator teeth is generally adopted during coiling, coil winding machine is positioned over the inside of stator core, there is the problem that threading speed is slow, coiling is difficult in this winding mode, the interior coil winding machine precision used is high, and cost is high.
Utility model content
Based on the deficiency of above-mentioned existence, this utility model provides the outer Wound-rotor type stator punching of a kind of brushless electric machine, can adopt outside winding mode operation, and winding efficiency is high, with low cost.
To achieve these goals, the technical scheme that this utility model adopts is:
A kind of outer Wound-rotor type stator punching of brushless electric machine, including stator teeth punching be connected in the stator yoke punching outside stator teeth punching, stator teeth punching is constituted annular by the pole shoe of some teeth portion He the root both sides being arranged at teeth portion, and teeth portion is arranged radially outside the center of circle；The internal ring of stator yoke punching is provided with the teeth portion notch corresponding with the teeth portion in stator teeth punching.
At the enterprising one-step optimization in the basis of such scheme:
Each teeth portion root of described stator teeth punching is provided with the notch to center of circle opening.
Described notch is two and interval setting.
The teeth portion top of described stator teeth punching is dovetail-shape.
Being equipped with button point in the teeth portion of described stator teeth punching and in stator yoke punching, button point is made up of rectangle cramp and rectangle button hole, and being connected and downward-sloping with place body of cramp, its excess-three limit disconnects.
Button point in described stator teeth punching teeth portion is two and arranges along teeth portion longitudinal separation；Button point in described stator yoke punching is some and interval is arranged.
Pole shoe between the adjacent fingers of described stator teeth punching disconnects or is connected to each other.
Teeth portion notch on the internal ring of described stator yoke punching is swallow-tail form.
This utility model also provides for a kind of stator core being overrided to form based on the outer Wound-rotor type stator punching of above-mentioned brushless electric machine, neighbouring stator teeth punching and stator yoke punching and carries out folded rivet conjunction each through button point.
In such scheme, stator core uses pole shoe to disconnect and two kinds of stator teeth punchings being connected with each other of pole shoe laminate simultaneously, and the stator teeth punching that is connected with each other of pole shoe is laid in two ends and the middle part of stator core.
The stator core that the stator punching provided by this utility model is overrided to form, clamping is carried out with stator yoke punching and stator teeth punching by dovetail groove again after can adopting outer Wound-rotor type that teeth portion is carried out coiling, this structure threading speed is fast, coil winding machine is less demanding, the price of Wrapping machine is only interior around 1/5th of machine, effectively reduce production cost, improve production efficiency.
Below by way of the drawings and specific embodiments, this utility model is further elaborated.
Accompanying drawing illustrates:
Fig. 1 is the stator teeth lamination structure schematic diagram that this utility model pole shoe disconnects；
Fig. 2 is the stator teeth lamination structure schematic diagram that this utility model pole shoe is connected；
Fig. 3 is stator yoke lamination structure schematic diagram of the present utility model；
Fig. 4 is structural representation after stator teeth punching and stator yoke punching clamping.
Label declaration:
Teeth portion 11, pole shoe 12, notch 13, button point 14, teeth portion notch 21, button point 22.
Detailed description of the invention:
As shown in Figures 1 to 4, the outer Wound-rotor type stator punching of a kind of brushless electric machine that this utility model provides, including stator teeth punching be connected in the stator yoke punching outside stator teeth punching, stator teeth punching is constituted annular stator teeth portion punching by the pole shoe 12 of some teeth portion 11 with the root both sides being arranged at teeth portion 11, and teeth portion 11 is arranged radially outside the center of circle；The internal ring of stator yoke punching is provided with the teeth portion notch 21 corresponding with the teeth portion 11 in stator teeth punching.
The root interval of each teeth portion 11 of the stator teeth punching in such scheme arranges two notches 13 to center of circle opening, it is possible to reduce flute profile harmonic wave, reduces the noise of motor；The top of the teeth portion 11 of stator teeth punching is dovetail-shape, and the teeth portion notch 21 on the internal ring of stator yoke punching is also all swallow-tail form, teeth portion 11 and the mutual clamping of teeth portion notch 21, makes teeth portion 11 not easily deviate from teeth portion notch 21.
The teeth portion 11 of stator teeth punching arranges two button points 14 along teeth portion 11 longitudinal separation, in stator yoke punching, annularly stator yoke punching interval arranges several button points 22, button point 14 and button point 22 are constituted by rectangle cramp and rectangle button hole, cramp while being connected and downward-sloping with place body, its excess-three limit disconnect.The folded rivet being disposed to when stator teeth punching and stator yoke punching stacking between adjacent punching of button point 14 and button point 22 is closed, it is simple to the location of punching.
Pole shoe 12 between the adjacent fingers 11 of the stator teeth punching in such scheme is divided into and is connected to each other and disconnects two kinds, the stator teeth punching that pole shoe 12 is connected to each other integral, have and make air-gap reluctance reduce, improve magnetic pole and magnetic field distribution, and make the advantage that excitation group easily fixes；The stator teeth punching that adjacent pole shoe 12 disconnects each other, has minimizing flute profile harmonic wave, reduces the advantage of noise of motor.
Multiple stator punchings in such scheme are stacked stator core by this utility model, make neighbouring stator teeth punching carry out folded rivet by the button point 14 in teeth portion 11 and close, and make stator yoke punching carry out folded rivet by button point 22 and close.Stator core in the present embodiment uses pole shoe 12 to disconnect simultaneously and two kinds of stator teeth punchings being connected to each other carry out stacking, wherein mainly use the stator teeth punching that pole shoe 12 disconnects, and the stator teeth punching that pole shoe 12 is connected to each other mainly is laid in two ends and the middle part of stator core, each position arranges five continuously, it is possible to interval is arranged.
Above example is only in order to illustrate the technical solution of the utility model and unrestricted, other amendments that the technical solution of the utility model is made by those of ordinary skill in the art or equivalent replace, without departing from the spirit and scope of technical solutions of the utility model, all should be encompassed in right of the present utility model.
Claims (10)
1. the outer Wound-rotor type stator punching of a brushless electric machine, it is characterized in that: include stator teeth punching and be connected in the stator yoke punching outside stator teeth punching, stator teeth punching is constituted annular by the pole shoe of some teeth portion He the root both sides being arranged at teeth portion, and teeth portion is arranged radially outside the center of circle；The internal ring of stator yoke punching is provided with the teeth portion notch corresponding with the teeth portion in stator teeth punching.
2. the outer Wound-rotor type stator punching of a kind of brushless electric machine according to claim 1, it is characterised in that: each teeth portion root of described stator teeth punching is provided with the notch to center of circle opening.
3. the outer Wound-rotor type stator punching of a kind of brushless electric machine according to claim 2, it is characterised in that: described notch is two and interval setting.
4. the outer Wound-rotor type stator punching of a kind of brushless electric machine according to claim 1, it is characterised in that: the teeth portion top of described stator teeth punching is dovetail-shape.
5. the outer Wound-rotor type stator punching of a kind of brushless electric machine according to claim 1, it is characterized in that: in the teeth portion of described stator teeth punching and in stator yoke punching, be equipped with button point, button point is made up of rectangle cramp and rectangle button hole, cramp while being connected and downward-sloping with place body, its excess-three limit disconnect.
6. the outer Wound-rotor type stator punching of a kind of brushless electric machine according to claim 5, it is characterised in that: the button point in described stator teeth punching teeth portion is two and arranges along teeth portion longitudinal separation；Button point in described stator yoke punching is some and interval is arranged.
7. the outer Wound-rotor type stator punching of a kind of brushless electric machine according to claim 1, it is characterised in that: the pole shoe between the adjacent fingers of described stator teeth punching disconnects or is connected to each other.
8. the outer Wound-rotor type stator punching of a kind of brushless electric machine according to claim 1, it is characterised in that: the teeth portion notch on the internal ring of described stator yoke punching is swallow-tail form.
9. the outer Wound-rotor type stator core of a brushless electric machine, it is characterised in that: described stator core is overrided to form by any stator punching of some claim 1 to 8.
10. the outer Wound-rotor type stator core of a kind of brushless electric machine according to claim 9, it is characterized in that: described stator core uses pole shoe to disconnect and two kinds of stator teeth punchings being connected with each other of pole shoe laminate simultaneously, and the stator teeth punching that is connected with each other of pole shoe is laid in two ends and the middle part of stator core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620029997.8U CN205377472U (en) | 2016-01-13 | 2016-01-13 | Brushless motor's outer wound -rotor type stator towards piece and stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620029997.8U CN205377472U (en) | 2016-01-13 | 2016-01-13 | Brushless motor's outer wound -rotor type stator towards piece and stator core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205377472U true CN205377472U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620029997.8U Active CN205377472U (en) | 2016-01-13 | 2016-01-13 | Brushless motor's outer wound -rotor type stator towards piece and stator core |
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|---|---|
| CN (1) | CN205377472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311481A (en) * | 2019-06-21 | 2019-10-08 | 常州富兴机电有限公司 | A kind of non-brush permanent-magnet DC motor stator core construction |
-
2016
- 2016-01-13 CN CN201620029997.8U patent/CN205377472U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311481A (en) * | 2019-06-21 | 2019-10-08 | 常州富兴机电有限公司 | A kind of non-brush permanent-magnet DC motor stator core construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190328 Address after: 312400 Chengdong District, Shengzhou Economic Development Zone, Shaoxing City, Zhejiang Province Patentee after: Shengzhou City Milutinovic Electrical Technology Co. Ltd. Address before: 312400 No. 3 Lane 5, Taiping Road, LiuErcun, Changle Town, Shengzhou City, Shaoxing City, Zhejiang Province Patentee before: Lu Jianguo |