CN-224218151-U - Stator core, stator and motor

Abstract

The embodiment of the application relates to the technical field of stators, in particular to a stator iron core, a stator and a motor, which comprises an iron core body and a plurality of second yokes, wherein the iron core body is provided with a plurality of stator teeth, a plurality of first yokes, a plurality of pole shoes, a plurality of magnetism isolating bridges, a plurality of winding grooves and a plurality of openings, the plurality of stator teeth are circumferentially arranged, one first yoke is fixed on one side of each stator tooth, one pole shoe is fixed on the other side of each stator tooth, one magnetism isolating bridge is fixed with two adjacent pole shoes, the winding grooves are communicated with the openings, one opening is positioned between the two adjacent first yokes, the openings are used for facilitating winding by using winding equipment, and one second yoke is arranged at one opening. Through the mode, the embodiment of the application realizes automatic winding, improves the production efficiency and reduces the production cost.

Inventors

• ZHANG WEI
• PAN RUIXIANG

Assignees

• 深圳市好盈科技股份有限公司

Dates

Publication Date

20260508

Application Date

20250519

Claims (10)

1. 1. A stator core for sheathing to a rotor, comprising: The iron core body is provided with a plurality of stator teeth, a plurality of first yoke parts, a plurality of pole shoes, a plurality of magnetism isolating bridges, a plurality of winding grooves and a plurality of openings, wherein the plurality of stator teeth are circumferentially arranged, one first yoke part is fixed on one side of each stator tooth, one pole shoe is fixed on the other side of each stator tooth, one magnetism isolating bridge is fixed with two adjacent pole shoes, the winding grooves are communicated with the openings, one opening is positioned between two adjacent first yoke parts, and the openings are used for facilitating winding by using winding equipment; a plurality of the second yoke portions, the second yoke is mounted to the opening.
2. 2. The stator core as claimed in claim 1, wherein, The first yoke part is provided with a groove, the second yoke part faces the groove and is provided with a convex part, and the convex part is inserted into the groove.
3. 3. The stator core as claimed in claim 1, wherein, The stator core includes an adhesive member fixed to a surface of the first yoke facing the second yoke and a surface of the second yoke facing the first yoke.
4. 4. The stator core according to claim 3, wherein, The bonding piece is epoxy glue or acrylic glue.
5. 5. The stator core as claimed in claim 1, wherein, The thickness of the magnetic isolation bridge is 0.3-0.5 mm.
6. 6. The stator core as claimed in claim 1, wherein, The two adjacent pole shoes and the magnetism isolating bridge fixed with the two adjacent pole shoes are defined with notches which are communicated with the winding grooves.
7. 7. The stator core as claimed in claim 1, wherein, The stator core comprises a first insulating layer and a second insulating layer, wherein the first insulating layer covers the surfaces of the two ends of the core body, and the second insulating layer covers the surfaces of the two ends of the second yoke portion.
8. 8. The stator core as claimed in claim 7, wherein, The first insulating layer and the second insulating layer are both made of epoxy resin.
9. 9. A stator comprising a winding and a stator core as claimed in any one of claims 1 to 8, the winding being wound around the stator core.
10. 10. An electric machine comprising a rotor and a stator as claimed in claim 9, said rotor being disposed within said stator, said rotor being rotatable relative to said stator.

Description

Stator core, stator and motor Technical Field The embodiment of the application relates to the technical field of stators, in particular to a stator core, a stator and a motor. Background The rotor of the motor is arranged in the stator of the motor or outside the stator of the motor, in other words, the stator is sleeved outside or inside the rotor. In the production process of the stator sleeved on the rotor, a winding technology of multi-strand winding parallel winding is adopted to wind the winding of the stator on the stator core of the stator. However, in the process of realizing the embodiment of the application, the inventor finds that at present, a stator core is provided with a plurality of stator teeth, a yoke part and a plurality of pole shoes, the plurality of stator teeth are arranged in the yoke part at intervals in a surrounding way, one side of each stator tooth is fixed on the yoke part, the other side of one stator tooth is fixed on one pole shoe, two adjacent pole shoes are defined with notches, so that the size of the notches is small, and in the production process of the stator, a winding technology of manually carrying out multi-strand winding is adopted to wind the winding on the stator core, thereby leading to low production efficiency and high production cost. Content of the application The application mainly solves the technical problems of low production efficiency and high production cost caused by winding a winding on a stator core by adopting a winding technology of manually winding a plurality of strands of windings in parallel in the production process of the stator. In order to solve the technical problems, the technical scheme includes that the stator core comprises a core body and a plurality of second yokes, the core body is provided with a plurality of stator teeth, a plurality of first yokes, a plurality of pole shoes, a plurality of magnetism isolating bridges, a plurality of winding grooves and a plurality of openings, the stator teeth are arranged in a surrounding mode at intervals, one first yoke is fixed on one side of each stator tooth, one pole shoe is fixed on the other side of each stator tooth, one magnetism isolating bridge is fixed with two adjacent pole shoes, the winding grooves are communicated with the openings, one opening is located between the two adjacent first yokes, the openings are used for facilitating winding by using winding equipment, and one second yoke is installed in one opening. Optionally, the first yoke portion is provided with a groove, the second yoke portion faces the groove and is provided with a convex portion, and the convex portion is inserted into the groove. Optionally, the stator core includes an adhesive member fixed to a surface of the first yoke facing the second yoke and a surface of the second yoke facing the first yoke. Optionally, the adhesive member is epoxy glue or acrylic glue. Optionally, the thickness of the magnetic isolation bridge is 0.3-0.5 mm. Optionally, the two adjacent pole shoes and the magnetism isolating bridge fixed with the two adjacent pole shoes are defined with notches, and the notches are communicated with the winding grooves. Optionally, the stator core includes a first insulating layer and a second insulating layer, the first insulating layer covers the surfaces of the two ends of the core body, and the second insulating layer covers the surfaces of the two ends of the second yoke. Optionally, the first insulating layer and the second insulating layer are both made of epoxy resin. In order to solve the technical problem, the stator comprises a winding and the stator core, wherein the winding is wound on the stator core. In order to solve the technical problem, the motor provided by the application comprises a rotor and the stator, wherein the rotor is arranged in the stator, and the rotor can rotate relative to the stator. In the embodiment of the application, the stator core comprises an iron core body and a plurality of second yokes, the iron core body is provided with a plurality of stator teeth, a plurality of first yokes, a plurality of pole shoes, a plurality of magnetism isolating bridges, a plurality of winding grooves and a plurality of openings, the plurality of stator teeth are circumferentially arranged, one first yoke is fixed on one side of each stator tooth, one pole shoe is fixed on the other side of each stator tooth, one magnetism isolating bridge is fixed with two adjacent pole shoes, the winding grooves are communicated with the openings, one opening is positioned between the two adjacent first yokes, the openings are used for facilitating winding by using winding equipment, and one second yoke is arranged on one opening. Because the yoke part of the stator core is divided into the first yoke part and the second yoke part to form the split type yoke part, and the opening is formed between the two first yoke parts at intervals, the fly-fork type winding equipment is used for wi