CN219458759U

CN219458759U - Composite stator structure

Info

Publication number: CN219458759U
Application number: CN202320637264.2U
Authority: CN
Inventors: 顾正新; 曾彦山; 赵守涛
Original assignee: Jiangsu Baojie Electromechanical Co ltd
Current assignee: Jiangsu Baojie Electromechanical Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-01
Anticipated expiration: 2033-03-28

Abstract

The utility model relates to the technical field of motors and discloses a composite stator structure which solves the problems of high winding difficulty and high production cost of the traditional stator structure and comprises a stator body, wherein the stator body is composed of a stator iron ring, a plurality of stator teeth and a plurality of stator windings; the split type production and processing and winding forming can be realized through the composite stator structure, and the composite stator structure is assembled into a whole, so that the winding difficulty is reduced, the processing efficiency is improved, and the production cost is reduced.

Description

Composite stator structure

Technical Field

The utility model belongs to the technical field of motors, and particularly relates to a composite stator structure.

Background

Brushless motors are widely used in the fields of audio-visual equipment, home motors, vehicles, robots, and the like, and stator cores are core components of the brushless motors.

The existing brushless motor generally adopts a stator core inner surface grooving design, a brushless motor stator winding adopts an embedded or threading type winding-off mode, the motor winding process difficulty is greatly increased, and particularly, the stator structure tightly attached to a plurality of windings is increased due to smaller groove spacing, the winding difficulty is increased, and meanwhile, a large amount of materials are wasted when the stator core is processed, so that the production cost is increased.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a composite stator structure, which effectively solves the problems of high winding difficulty and high production cost of the existing stator structure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a combined type stator structure, includes the stator body, the stator body comprises stator iron ring, a plurality of stator tooth and a plurality of stator winding, the stator tooth is connected in the inside wall of stator iron ring, stator winding cover is located the stator tooth, the stator iron ring comprises combination formula iron ring one and combination formula iron ring two, combination formula iron ring one and combination formula iron ring two are symmetrical structure, the stator tooth comprises a plurality of stator tooth singlechips, the stator tooth singlechips comprises bar tenon, tooth portion and spacing portion, bar tenon and spacing portion are fixed connection in the both ends of tooth portion respectively, form winding groove one and winding groove two between the both sides of tooth portion and bar tenon and the spacing portion.

Preferably, the bar tenon, the tooth part and the limiting part are of an integrated structure, an assembly positioning hole is formed in the middle position of the bar tenon, a square tenon groove matched with the stator iron ring is formed in the middle position of one side of the bar tenon, which is far away from the tooth part, of the bar tenon, and an insulating layer is arranged on the outer surface of the tooth part and one side, close to the tooth part, of the bar tenon and the limiting part, and the insulating layer is of a coating type structure.

Preferably, the combined iron ring I is composed of a plurality of iron ring single-sheets I and a limiting pressing ring I, wherein the iron ring single-sheets I are of a stacked structure, and the limiting pressing ring I is fixedly connected to one end of the iron ring single-sheets I.

Preferably, the combined iron ring II is composed of a plurality of iron ring single sheets II and a limiting pressing ring II, the iron ring single sheets II are of a stacked structure, and the limiting pressing ring II is fixedly connected to one end of the iron ring single sheets II.

Preferably, a plurality of tenons are fixedly arranged on the inner side walls of the iron ring single piece I and the iron ring single piece II, a strip-shaped tenon groove matched with the strip-shaped tenon is formed between the tenons, square tenons matched with the square tenon groove are fixedly arranged in the strip-shaped tenon groove, and a plurality of positioning through holes are formed in the iron ring single piece I, the limiting pressing ring I, the iron ring single piece II and the limiting pressing ring II.

Compared with the prior art, the utility model has the beneficial effects that:

(1) In operation, through the stator body formed by the stator iron ring, the plurality of stator teeth and the plurality of stator windings, split production and processing of the stator iron ring and the stator teeth can be realized, the stator windings are wound before assembly, and the stator windings are assembled into a whole through a composite mode, so that the winding difficulty of the stator windings is reduced, the processing efficiency is improved, waste materials after the stator iron ring is processed can be fully utilized, and the production cost is reduced;

(2) Through being provided with the equipment locating hole, can be after accomplishing stator tooth winding, carry out spacing fixedly to a plurality of stator teeth through winding jig to be convenient for around forming a circular whole with a plurality of stator teeth, and then be convenient for carry out fixed mounting with stator tooth and stator iron ring, improved the convenience of installation, when using simultaneously, can assist the heat dissipation through the equipment locating hole, improve the radiating effect.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic view of a stator body according to the present utility model;

FIG. 2 is a schematic view of a partial structure of a stator body according to the present utility model;

FIG. 3 is a schematic view of the connection structure of the stator teeth and the stator iron ring according to the present utility model;

FIG. 4 is a schematic view of a stator tooth structure according to the present utility model;

FIG. 5 is a schematic view of a stator iron ring according to the present utility model;

FIG. 6 is a schematic view of a combined iron ring according to the present utility model;

FIG. 7 is a schematic view of a combined iron ring of the present utility model;

in the figure: 1. a stator body; 2. a stator iron ring; 3. stator teeth; 4. a stator winding; 5. a combined iron ring I; 6. a combined iron ring II; 7. stator tooth monoliths; 8. a bar-shaped tenon; 9. a tooth portion; 10. a limit part; 11. winding slot I; 12. winding slots II; 13. assembling the positioning hole; 14. square mortises; 15. an insulating layer; 16. iron ring is a single piece; 17. a first limiting compression ring; 18. iron ring single piece II; 19. a second limiting compression ring; 20. a tenon; 21. a bar-shaped mortise; 22. square tenon; 23. and positioning the through holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, the composite stator structure of the utility model comprises a stator body 1, wherein the stator body 1 is composed of a stator iron ring 2, a plurality of stator teeth 3 and a plurality of stator windings 4, the stator teeth 3 are connected to the inner side wall of the stator iron ring 2, the stator windings 4 are sleeved on the stator teeth 3, the stator iron ring 2 is composed of a first combined iron ring 5 and a second combined iron ring 6, the first combined iron ring 5 and the second combined iron ring 6 are of symmetrical structures, the stator teeth 3 are composed of a plurality of stator tooth single sheets 7, the stator tooth single sheets 7 are composed of strip-shaped tenons 8, tooth parts 9 and limiting parts 10, the strip-shaped tenons 8 and the limiting parts 10 are respectively fixedly connected to two ends of the tooth parts 9, and winding grooves 11 and winding grooves 12 are formed between two sides of the tooth parts 9 and the strip-shaped tenons 8 and the limiting parts 10;

as shown in fig. 4 to 7, the bar-shaped tenon 8, the tooth 9 and the limiting part 10 are of an integrated structure, an assembly positioning hole 13 is formed in the middle position of the bar-shaped tenon 8, a square tenon 14 matched with the stator iron ring 2 is formed in the middle position of one side of the bar-shaped tenon 8 far away from the tooth 9, a plurality of insulating layers 15 are respectively arranged on the outer surface of the tooth 9 and one side of the bar-shaped tenon 8 and the limiting part 10 close to the tooth 9, the insulating layers 15 are of a coating structure, the combined iron ring I5 is formed by a plurality of iron ring singlechips 16 and a limiting pressing ring I17, the iron ring singlechips 16 are of a stacked structure, the limiting pressing ring I17 is fixedly connected to one end of the iron ring singlechips 16, the combined iron ring II 6 is formed by a plurality of iron ring singlechips II 18 and a limiting pressing ring II 19, the iron ring singlechips II 19 are fixedly connected to one end of the iron ring singlechips 18, a plurality of tenons 20 are fixedly arranged on the inner side walls of the iron ring singlechips 8 and the iron ring singlechips 18, the two square tenon 20 are formed between the tenons 20, the inner side walls of the iron ring singlechips 21 are fixedly provided with a plurality of bar-shaped annular ring singlechips 21, and the limiting pressing ring II is provided with a plurality of square pressing rings 19 matched with the bar-shaped singlechips 19, and the limiting pressing ring I is provided with a plurality of square pressing ring 19, and a plurality of limiting pressing ring I is arranged on the square positioning ring I;

during production, the iron ring single piece I16 and the iron ring single piece II 18 are formed by punching in advance on raw materials, and because the iron ring single piece I16 and the iron ring single piece II 18 are not of a traditional grooving structure, the size of middle circular waste materials generated by the production of the iron ring single piece I16 and the iron ring single piece II 18 is larger, the iron ring single piece I16 and the iron ring single piece II 18 can be used for the production and the production of the stator tooth single piece 7, so that the full utilization of the waste materials is realized, the production cost is effectively reduced, the stator tooth single piece 7 is stacked to form the stator teeth 3 after the production and the production of the iron ring single piece I16, the iron ring single piece II 18 are respectively stacked to form the combined iron ring I5 and the combined iron ring II 6, the stator teeth 3 can be wound at this time, because the periphery of the stator teeth 3 is in an open structure, the winding operation is convenient, the operation convenience is improved, after the stator windings 4 are formed, the stator teeth 3 are positioned by inserting the winding clamp into the assembly positioning holes 13, then the winding clamp is wound to form a circular structure, the stator teeth 3 are driven to wind to form a circular structure, at this time, the combined iron ring I5 is clamped at the other end of the stator teeth 3, after the combined iron ring I5 is fixed, the winding clamp is disassembled, the combined iron ring II 6 is clamped at one end far away from the combined iron ring I5, the stator teeth 3 are coated by the combined iron ring I5 and the combined iron ring II 6, and the end limiting can be realized by the limiting pressing rings I17 and the limiting pressing rings II 19 at the two ends of the combined iron ring I5 and the combined iron ring II 6, the stability of connection is improved, after the equipment is accomplished, with the stator whole assembly to the motor casing in, through the location through-hole 23 realize with the motor casing spacing can, when using, the equipment locating hole 13 can carry out supplementary heat dissipation, improves the radiating effect.

In operation, the stator body formed by the stator iron ring, the plurality of stator teeth and the plurality of stator windings is arranged, so that the stator iron ring and the stator teeth can be manufactured in a split mode, the stator windings are wound before being assembled, and the stator windings are assembled in a combined mode to form a whole, the winding difficulty of the stator windings is reduced, the processing efficiency is improved, waste materials after the stator iron ring is processed can be fully utilized, and the production cost is reduced; through being provided with the equipment locating hole, can be after accomplishing stator tooth winding, carry out spacing fixedly to a plurality of stator teeth through winding jig to be convenient for around forming a circular whole with a plurality of stator teeth, and then be convenient for carry out fixed mounting with stator tooth and stator iron ring, improved the convenience of installation, when using simultaneously, can assist the heat dissipation through the equipment locating hole, improve the radiating effect.

Claims

1. A composite stator structure comprising a stator body (1), characterized in that: stator body (1) comprises stator iron ring (2), a plurality of stator tooth (3) and a plurality of stator winding (4), stator tooth (3) are connected in the inside wall of stator iron ring (2), stator winding (4) cover is located stator tooth (3), stator iron ring (2) comprises combination iron ring one (5) and combination iron ring two (6), combination iron ring one (5) and combination iron ring two (6) are symmetrical structure, stator tooth (3) comprises a plurality of stator tooth monolithic (7), stator tooth monolithic (7) comprise bar tenon (8), tooth portion (9) and spacing portion (10), bar tenon (8) and spacing portion (10) are fixed connection respectively in the both ends of tooth portion (9), form winding groove one (11) and winding groove two (12) between both sides of tooth portion (9) and bar tenon (8) and spacing portion (10).

2. A composite stator structure according to claim 1, wherein: the novel structure is characterized in that the strip-shaped tenon (8), the tooth part (9) and the limiting part (10) are of an integrated structure, an assembly positioning hole (13) is formed in the middle position of the strip-shaped tenon (8), a square tenon groove (14) matched with the stator iron ring (2) is formed in the middle position of one side of the strip-shaped tenon (8) away from the tooth part (9), an insulating layer (15) is arranged on the outer surface of the tooth part (9) and one side, close to the tooth part (9), of the strip-shaped tenon (8) and the limiting part (10), and the insulating layer (15) is of a coating type structure.

3. A composite stator structure according to claim 2, wherein: the combined iron ring I (5) is composed of a plurality of iron ring single pieces (16) and a limiting pressing ring I (17), the iron ring single pieces (16) are of a stacked structure, and the limiting pressing ring I (17) is fixedly connected to one end of the iron ring single pieces (16).

4. A composite stator structure according to claim 3, wherein: the combined iron ring II (6) is composed of a plurality of iron ring single-piece II (18) and a limiting pressing ring II (19), the iron ring single-piece II (18) is of a stacked structure, and the limiting pressing ring II (19) is fixedly connected to one end of the iron ring single-piece II (18).

5. A composite stator structure according to claim 4, wherein: the iron ring single piece I (16) and the iron ring single piece II (18) are fixedly provided with a plurality of tenons (20), a strip-shaped tenon groove (21) matched with the strip-shaped tenon (8) is formed between the tenons (20), a square tenon (22) matched with the square tenon groove (14) is fixedly arranged in the strip-shaped tenon groove (21), and a plurality of positioning through holes (23) are formed in the iron ring single piece I (16), the limiting pressing ring I (17), the iron ring single piece II (18) and the limiting pressing ring II (19).