CN210327172U - Centralized wire-wound stator core structure - Google Patents
Centralized wire-wound stator core structure Download PDFInfo
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- CN210327172U CN210327172U CN201921748113.4U CN201921748113U CN210327172U CN 210327172 U CN210327172 U CN 210327172U CN 201921748113 U CN201921748113 U CN 201921748113U CN 210327172 U CN210327172 U CN 210327172U
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Abstract
The utility model belongs to the technical field of motors, in particular to a centralized winding stator core structure, which comprises a stator core, wherein the stator core is cylindrical and comprises a yoke part and tooth parts radially extending from the yoke part, a stator slot is formed between two adjacent tooth parts, and the upper surface and the lower surface of the stator core are respectively provided with a groove; the upper surface and the lower surface of the stator core are respectively attached with an insulating framework, the insulating framework comprises an upper insulating framework attached to the upper surface of the stator core and a lower insulating framework attached to the lower surface of the stator core, and bulges corresponding to the positions and the shapes of the grooves are respectively arranged on the lower surface of the upper insulating framework and the upper surface of the lower insulating framework; the protrusion extends into the groove and is clamped with the groove; and the stator slots are internally provided with insulating paper which is connected with the stator iron core and the insulating framework. The utility model discloses simple structure, convenient assembling, production efficiency height.
Description
The technical field is as follows:
the utility model belongs to the technical field of the motor, refer in particular to a centralized wire winding stator core structure.
Background art:
the stator core is an important component of the magnetic circuit of the motor, and the stator core, the rotor core, and the air gap between the stator and the rotor form a complete magnetic circuit of the motor.
The distributed winding structure of the stator core in the motor manufacturing industry is expensive in labor cost due to the wire embedding process, the enameled wire is wasted, the production efficiency is low, the distributed winding structure gradually begins to be eliminated, the centralized winding structure is wound by a machine, the production efficiency is high, the manual dependence is low, the winding compact enameled wire is wasted and is gradually accepted in a large range.
In order to ensure sufficient electrical strength and insulating capability, the centralized winding adopts various solutions. Wherein adopt two insulation frame connected's about the insulation frame thickness, because of insulation frame thickness is thicker, the full rate of enameled wire winding groove is by greatly reduced, and material utilization is not high, and power volume ratio is little, and to the great stator core of thickness in addition, because of insulation frame gets into the iron core inslot portion too long, the insulation frame makes the degree of difficulty higher, and manufacturing cost is high. Therefore, a pair of upper and lower insulating frames + insulating paper (upper and lower insulating frames are assembled with the insulating paper, respectively, to connect the insulating frames, the insulating paper, and the stator core together) has been recently and widely used. However, the scheme also has the disadvantages that after the insulating framework and the insulating paper on one side are assembled, the insulating paper on the other side which is not assembled with the insulating framework can be tilted inevitably, so that the insulating framework on the side is extremely difficult to assemble, time and labor are wasted, each piece of insulating paper needs to be assembled with the insulating framework, and the production efficiency is low.
The invention content is as follows:
the utility model aims at providing a centralized wire winding stator core structure that simple structure, convenient assembling, production efficiency are high.
The utility model discloses a realize like this: a centralized winding stator core structure comprises a stator core, wherein the stator core is cylindrical and comprises a yoke part and a plurality of tooth parts radially extending from the yoke part, a stator slot is formed between every two adjacent tooth parts, and grooves are respectively arranged on the upper surface and the lower surface of the stator core; the upper surface and the lower surface of the stator core are respectively attached with an insulating framework, the insulating framework comprises an upper insulating framework attached to the upper surface of the stator core and a lower insulating framework attached to the lower surface of the stator core, annular end parts and a plurality of teeth radially extending from the annular end parts are arranged on the upper insulating framework and the lower insulating framework, a framework groove is formed between every two adjacent teeth, and protrusions corresponding to the positions and the shapes of the grooves are respectively arranged on the lower surface of the upper insulating framework and the upper surface of the lower insulating framework; the protrusions extend into the grooves and are clamped with the grooves, so that the insulating framework is attached to the upper surface and the lower surface of the stator core and connected with the stator core; and the stator slot is internally provided with insulating paper, the insulating paper is coated on the surface of the stator slot, and the upper end surface and the lower end surface of the insulating paper are higher than the upper end surface and the lower end surface of the stator core and are connected with the stator core and the insulating framework.
The grooves and the bulges are cylindrical, square or triangular, and the number of the grooves and the bulges is the same; preferably, the recess and the projection are cylindrical.
The positioning groove is formed in the outer circumferential surface of the yoke portion, the positioning buckle corresponding to the positioning groove in position and shape is arranged on the outer circumferential surface of the annular end portion, the positioning buckle extends into the positioning groove and is clamped with the positioning groove, and the stator core and the insulating framework are assembled more firmly and tightly.
The positioning grooves and the positioning buckles are dovetail-shaped, square or triangular in shape and are the same in number; preferably, the positioning groove and the positioning buckle are in a dovetail shape.
The shapes of the tooth part and the tooth are corresponding, and the shapes of the stator slot and the framework slot are corresponding, so that the insertion of the insulating paper is facilitated; the shapes of the tooth part and the tooth part do not correspond to each other, and the shapes of the stator slot and the skeleton slot do not correspond to each other, so that the insulating paper can penetrate through the stator slot and the skeleton slot.
Compared with the prior art, the utility model outstanding advantage is:
1. the utility model does not relate to the assembly of the upper and lower insulating frameworks and the insulating paper, the bulges of the upper and lower insulating frameworks are matched with the grooves of the stator core, and the middle insulating paper is directly inserted into the assembly body of the iron core and the insulating frameworks after being formed, so that the structure is simple, the assembly is convenient, and the production efficiency is high;
2. the utility model discloses outside the protruding of insulating skeleton and the recess cooperation of stator core, insulating skeleton side location is detained and is cooperated with stator core side constant head tank, assembles more firm fastening;
3. the stator slot of the stator core adopts the insulating paper, and compared with the stator slot in which the insulating framework is stretched, the insulating paper is thinner, thereby greatly improving the fullness rate of the winding slot of the enameled wire and improving the material utilization rate; under the condition of the same power, the increase of the slot filling rate can shorten the stack height of the iron core to a certain extent, thereby reducing the size of the motor and saving the manufacturing cost of the motor.
Description of the drawings:
fig. 1 is a perspective view of the present invention;
fig. 2 is an exploded view of the present invention.
Reference numerals: 1. a stator core; 11. a yoke portion; 12. a tooth portion; 13. a stator slot; 14. a groove; 15. positioning a groove; 2. an insulating framework; 21. an upper insulating framework; 22. a lower insulating skeleton; 201. an annular end portion; 202. teeth; 203. a framework groove; 204. a protrusion; 205. positioning buckles; 3. and (4) insulating paper.
The specific implementation mode is as follows:
the invention will now be further described with reference to specific embodiments, with reference to figures 1-2:
a centralized winding stator core structure comprises a stator core 1, wherein the stator core 1 is cylindrical and comprises a yoke part 11 and a plurality of tooth parts 12 radially extending from the yoke part 11, a stator slot 13 is formed between every two adjacent tooth parts 12, and grooves 14 are respectively arranged on the upper surface and the lower surface of the stator core 1; the upper surface and the lower surface of the stator core 1 are respectively attached with an insulating framework 2, the insulating framework 2 comprises an upper insulating framework 21 attached with the upper surface of the stator core 1 and a lower insulating framework 22 attached with the lower surface of the stator core 1, the upper insulating framework 21 and the lower insulating framework 22 are provided with an annular end part 201 and a plurality of teeth 202 radially extending from the annular end part 201, a framework groove 203 is formed between every two adjacent teeth 202, and the lower surface of the upper insulating framework 21 and the upper surface of the lower insulating framework 22 are respectively provided with a protrusion 204 corresponding to the position and the shape of the groove 14; the protrusion 204 extends into the groove 14 and is clamped with the groove 14; and the stator slot 13 is internally provided with insulating paper 3, the insulating paper 3 is coated on the surface of the stator slot 13, and the upper end surface and the lower end surface of the insulating paper 3 are higher than the upper end surface and the lower end surface of the stator core 1 and are connected with the stator core 1 and the insulating framework 2.
Preferably, the grooves 14 and the protrusions 204 are cylindrical, square or triangular, and the number of the grooves is the same as that of the protrusions; in this embodiment, the groove 14 and the protrusion 204 are cylindrical.
The positioning groove 15 is formed in the outer circumferential surface of the yoke portion 11, the positioning buckle 205 corresponding to the positioning groove 15 in position and shape is arranged on the outer circumferential surface of the annular end portion 201, the positioning buckle 205 extends into the positioning groove 15 and is clamped with the positioning groove 15, and therefore the stator core 1 and the insulating framework 2 are assembled more firmly and tightly.
Preferably, the positioning slots 15 and the positioning buckles 205 are dovetail-shaped, square-shaped or triangular, and the number of the positioning slots and the number of the positioning buckles are the same; in this embodiment, the positioning slot 15 and the positioning button 205 are dovetail-shaped.
The tooth part 12 corresponds to the tooth 202 in shape, and the stator slot 13 corresponds to the skeleton slot 203 in shape, so that the insulating paper 3 can be inserted conveniently; the shapes of the tooth portions 12 and the teeth 202 may not correspond to each other, and the shapes of the stator slots 13 and the skeleton slots 203 may not correspond to each other, so that the insulating paper 3 may penetrate the stator slots 13 and the skeleton slots 203.
The mounting structure of each component: the bulge 204 of the insulating framework 2 is matched with the groove 14 of the stator core 1, the insulating framework 2 is attached to the upper surface and the lower surface of the stator core 1 and connected with the insulating framework 2 and the stator core 1, the insulating paper 3 is directly inserted into an assembly body of the iron core and the insulating framework after being molded, and the insulating paper 3 is attached to the surface of the stator slot 13.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. A centralized winding stator core structure comprises a stator core (1), wherein the stator core (1) is cylindrical and comprises a yoke part (11) and a plurality of tooth parts (12) radially extending from the yoke part (11), a stator slot (13) is formed between every two adjacent tooth parts (12), and the centralized winding stator core structure is characterized in that: grooves (14) are respectively arranged on the upper surface and the lower surface of the stator core (1); the stator core comprises a stator core (1), and is characterized in that insulating frameworks (2) are respectively attached to the upper surface and the lower surface of the stator core (1), each insulating framework (2) comprises an upper insulating framework (21) attached to the upper surface of the stator core (1) and a lower insulating framework (22) attached to the lower surface of the stator core (1), annular end parts (201) and a plurality of teeth (202) radially extending from the annular end parts (201) are arranged on the upper insulating framework (21) and the lower insulating framework (22), a framework groove (203) is formed between every two adjacent teeth (202), and protrusions (204) corresponding to the positions and shapes of grooves (14) are respectively arranged on the lower surface of the upper insulating framework (21) and the upper surface of the lower insulating framework (22); the protrusion (204) extends into the groove (14) and is clamped with the groove (14); and the stator slot (13) is internally provided with insulating paper (3) which is connected with the stator core (1) and the insulating framework (2).
2. The centralized wound stator core structure of claim 1, wherein: the grooves (14) and the protrusions (204) are cylindrical and are the same in number.
3. The centralized wound stator core structure of claim 1, wherein: be equipped with constant head tank (15) on the outer periphery of yoke portion (11), be equipped with on the outer periphery of cyclic annular tip (201) and detain (205) with constant head tank (15) position, the corresponding location of shape, location is detained (205) and is stretched into in constant head tank (15) to with constant head tank (15) block.
4. A concentrated wound stator core structure as claimed in claim 3, wherein: the positioning groove (15) and the positioning buckle (205) are in a dovetail shape and are the same in number.
5. The centralized wound stator core structure of claim 1, wherein: the upper end face and the lower end face of the insulating paper (3) are higher than the upper end face and the lower end face of the stator core (1).
6. The centralized wound stator core structure of claim 1, wherein: the tooth part (12) corresponds to the tooth (202) in shape, and the stator slot (13) corresponds to the skeleton slot (203) in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921748113.4U CN210327172U (en) | 2019-10-17 | 2019-10-17 | Centralized wire-wound stator core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921748113.4U CN210327172U (en) | 2019-10-17 | 2019-10-17 | Centralized wire-wound stator core structure |
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| CN210327172U true CN210327172U (en) | 2020-04-14 |
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| CN201921748113.4U Active CN210327172U (en) | 2019-10-17 | 2019-10-17 | Centralized wire-wound stator core structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600321A (en) * | 2020-12-01 | 2021-04-02 | 利欧集团浙江泵业有限公司 | Stator and rotor structure of permanent magnet control motor with positioning induction function |
-
2019
- 2019-10-17 CN CN201921748113.4U patent/CN210327172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600321A (en) * | 2020-12-01 | 2021-04-02 | 利欧集团浙江泵业有限公司 | Stator and rotor structure of permanent magnet control motor with positioning induction function |
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