CN211606359U

CN211606359U - Y-shaped rotor silicon steel disc for double-winding direct-current brush motor

Info

Publication number: CN211606359U
Application number: CN202020263751.3U
Authority: CN
Inventors: 鄭振根
Original assignee: Xiaosheng Electric Machinery Shanghai Co ltd
Current assignee: Xiaosheng Electric Machinery Shanghai Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-09-29
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses a Y font rotor silicon steel disc for duplex winding direct current brush motor relates to the direct current brushless motor field. The silicon steel disc of the utility model comprises a circular silicon steel disc body and Y-shaped connecting sheets which are uniformly distributed around the periphery of the silicon steel disc body, wherein a first group of coils a is wound between the groove part between two adjacent Y-shaped connecting sheets and the other groove part which is opposite to the groove part; the second group of coils b are wound between the concave part of the Y-shaped connecting sheet and the concave part of the other Y-shaped connecting sheet opposite to the concave part of the Y-shaped connecting sheet, and are limited by the inward convex structure. The utility model discloses increased the space utilization of wire winding part, made the wire winding enameled wire can not overlap together, promoted the utilization ratio in wire winding space utilization and magnetic field under the condition of not increasing rotor diameter, this design only is applicable to bifilar and above even group's wire-wound motor.

Description

Y-shaped rotor silicon steel disc for double-winding direct-current brush motor

Technical Field

The utility model belongs to the field of direct current brushless motor, especially relate to a Y font rotor silicon steel disc for motor is brushed to duplex winding direct current.

Background

The rotor silicon steel disc of the existing direct current brush motor is formed by uniformly distributing and surrounding T-shaped connecting sheets arranged on the shaft side of a silicon steel disc body, a first circle and a second circle of double-group winding coils are wound in a groove, so that enameled wires are overlapped, a lot of gaps between copper wires cannot be fully utilized, and particularly, the winding space and the magnetic field utilization rate of the motor are reduced for a small motor. Therefore, in order to solve the above problems, it is important to provide a Y-shaped rotor silicon steel disc for a double-winding DC brushed motor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a Y-shaped rotor silicon steel disc for a double-winding direct current brush motor, which solves the problems.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a Y-shaped rotor silicon steel disc for a double-winding direct current brush motor, which is stacked to form a rotor with a certain height, and is arranged in the inner part of a motor shell after winding double-group coils and is positioned between a rotating shaft and a stator;

the silicon steel disc comprises a circular silicon steel disc body and Y-shaped connecting sheets uniformly distributed and arranged on the peripheral side of the silicon steel disc body in a surrounding mode, and a group of inner convex structures are oppositely arranged on the inner side portions of two branches of the Y-shaped connecting sheets.

Furthermore, two groups of coils are wound on a rotor formed by stacking a plurality of silicon steel discs to a certain height;

the first group of coils a is wound between the groove part between two adjacent Y-shaped connecting sheets and the other groove part which is opposite to the groove part;

the second group of coils b are wound between the concave part of the Y-shaped connecting sheet and the concave part of the other Y-shaped connecting sheet opposite to the concave part of the Y-shaped connecting sheet, and are limited by the inward convex structure.

Compared with the prior art, the utility model following beneficial effect including:

the utility model discloses a Y font rotor silicon steel disc for double winding direct current brushed motor has increased the design of Y-shaped groove on original basis, the space utilization of the part of winding has been increased, especially to the double winding, the micro motor rotor of many windings design, new wire winding position, first group can be around inner circle groove, the second is organized around outer lane groove, the wire winding enameled wire can not overlap together like this, the utilization ratio in wire winding space utilization and magnetic field has been promoted under the condition of not increasing rotor diameter, this design is only applicable to double winding and above even group wire-wound motor.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a Y-shaped rotor silicon steel disc for a dual-winding DC brush motor according to the present invention;

FIG. 2 is a schematic view of a double-winding structure of a Y-shaped rotor silicon steel disc of the present invention;

FIG. 3 is a schematic view of a rotor structure formed by stacking Y-shaped rotor silicon steel discs of the present invention;

FIG. 4 is a schematic structural view of the Y-shaped rotor silicon steel discs stacked to form a rotor and then installed in the motor;

FIG. 5 is a schematic structural view of a conventional silicon steel disc;

FIG. 6 is a schematic structural view of a conventional silicon steel disc stacked to form a rotor and then installed inside a motor;

in the drawings, the components represented by the respective reference numerals are listed below:

the method comprises the following steps of 1-silicon steel disc, 101-Y-shaped connecting piece, 102-inner convex structure, 2-motor shell, a-first group of coil winding positions and b-second group of coil winding positions.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "inside", "equispaced", "axial side", "inner concave portion", etc. indicate positional or positional relationships, merely for convenience of description and simplicity of description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, in a Y-shaped rotor silicon steel disc for a dual-winding dc brush motor according to the present invention, the silicon steel discs 1 are stacked to form a rotor with a certain height, and are wound with two sets of coils and then installed in the motor housing 2, and located between the rotating shaft and the stator;

the silicon steel disc 1 comprises a circular silicon steel disc body and Y-shaped connecting sheets 101 uniformly arranged around the periphery of the silicon steel disc body, and a group of inner convex structures 102 are oppositely arranged at the inner sides of two branches of the Y-shaped connecting sheets 101.

Wherein, two groups of coils are wound on a rotor formed by stacking a plurality of silicon steel discs 1 to a certain height;

the first group of coils a is wound between the groove part between two adjacent Y-shaped connecting sheets 101 and the other groove part which is opposite to the groove part;

the second group of coils b is wound between the concave part of the Y-shaped connecting piece 101 and the concave part of the other Y-shaped connecting piece 101 opposite to the concave part, and is limited by the inner convex structure 102.

As shown in fig. 5-6, the rotor silicon steel disc of the existing dc brush motor is formed by uniformly surrounding T-shaped connecting pieces mounted on the shaft side of the silicon steel disc body, and the first and second loops of the double-set winding coils are wound in one groove, so that a lot of enameled wires are overlapped together, resulting in that a lot of gaps between copper wires cannot be fully utilized, especially for a small-sized motor, and the winding space and the magnetic field utilization rate of the motor are reduced.

Has the advantages that:

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a Y font rotor silicon steel disc for duplex winding direct current brushed motor, this silicon steel disc (1) stacks and forms the take the altitude and constitute the rotor to install in motor housing (2) inside after twining the double coil, and be located between pivot and the stator, its characterized in that:

the silicon steel disc (1) comprises a circular silicon steel disc body and Y-shaped connecting pieces (101) uniformly distributed around the periphery of the silicon steel disc body, and a group of inward convex structures (102) are oppositely arranged at the inner sides of two branches of the Y-shaped connecting pieces (101).

2. The Y-shaped rotor silicon steel disc for the double-winding direct current brushed motor as claimed in claim 1, wherein two groups of coils are wound on the rotor formed by stacking a plurality of silicon steel discs (1) to a certain height;

the first group of coils a is wound between the groove part between two adjacent Y-shaped connecting sheets (101) and the other groove part which is opposite to the groove part;

the second group of coils b are wound between the concave part of the Y-shaped connecting piece (101) and the concave part of the other Y-shaped connecting piece (101) opposite to the concave part, and are limited by the inner convex structure (102).