Motor stator and rotor

Abstract

The utility model provides a motor stator and rotor, and belongs to the technical field of motors. The problem that a stator core and a casing of an existing motor stator and rotor are unstable in installation is solved. According to the motor stator and rotor, the motor comprises a casing, the stator and rotor comprises a stator core, the stator core is formed by stacking a plurality of punching sheets, a plurality of positioning assemblies are formed on the circumferential wall of each punching sheet, each positioning assembly comprises symmetrically-arranged positioning parts, a first positioning groove is formed between every two positioning parts, and second positioning grooves are formed between the two positioning parts and the punching sheets. The first positioning groove is provided with a first fillet groove, the second positioning groove is provided with a second fillet groove, and the inner wall of the machine shell is provided with a guide groove for the positioning assembly to extend in in a guiding mode. The stator core mounting structure has the advantages of improving the mounting stability of the stator core and further improving the overall use efficiency.

Description

A motor stator and rotor Technical Field

[0001] This utility model belongs to the field of motor technology and relates to a motor stator and rotor. Background Technology

[0002] Before installing the rotor core, the stator core needs to be installed in the motor. However, the current motor housing and stator core installation is unstable, which affects the working stability of the stator and rotor during the later operation of the motor, and thus affects the overall efficiency. Summary of the Invention

[0003] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a motor stator and rotor structure that improves overall operational stability.

[0004] The objective of this utility model can be achieved through the following technical solution: a motor stator and rotor, the motor including a housing, the stator and rotor including a stator core, characterized in that the stator core is formed by stacking multiple laminations, and a plurality of positioning components are formed on the peripheral wall of each lamination, the positioning components including symmetrically arranged positioning parts, a positioning groove one between two positioning parts, and a positioning groove two between the two positioning parts and the laminations, the positioning groove one having a rounded corner groove one, the positioning groove two having a rounded corner groove two, and the inner wall of the housing having a guide groove for the positioning components to extend into.

[0005] In the aforementioned motor stator and rotor, there is an angle A between the two positioning parts, and an angle B between the corresponding positioning parts and the laminations.

[0006] In the aforementioned motor stator and rotor, both angles A and B are between 88° and 92°.

[0007] Compared with existing technologies, the stator and rotor of this motor have the advantage of improving the installation stability of the stator core, thereby improving the overall efficiency. Attached Figure Description

[0008] Figure 1 is a structural diagram of the stator and rotor of this motor.

[0009] In the diagram, 1 is the housing; 2 is the stator core; 3 is the lamination; 4 is the positioning part; 5 is the positioning groove one; 6 is the positioning groove two; 7 is the rounded corner groove one; and 8 is the rounded corner groove two. Detailed Implementation

[0010] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0011] As shown in Figure 1, this motor includes a housing 1 and a stator core 2. The stator core 2 is formed by stacking multiple laminations 3. Each lamination 3 has several positioning components formed on its peripheral wall. The positioning components include symmetrically arranged positioning parts 4. There is a positioning groove 5 between two positioning parts 4 and a positioning groove 6 between two positioning parts 4 and laminations 3. The positioning groove 5 has a rounded corner groove 7, and the positioning groove 6 has a rounded corner groove 8. The inner wall of the housing 1 has a guide groove for the positioning components to extend into. The rotor is then installed by positioning and cooperating with the multiple positioning components and the guide groove. The rotor shaft in the rotor is installed through the front and rear end covers of the motor. The stator and rotor are fixedly installed in the housing 1.

[0012] An angle A is between the two positioning parts 4, and an angle B is between the corresponding positioning part 4 and the punch 3. Both angle A and angle B are between 88° and 92°; preferably, 90° is optimal.

[0013] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0014] Although this document frequently uses terms such as housing 1, stator core 2, lamination 3, positioning part 4, positioning groove one 5, positioning groove two 6, rounded corner groove one 7, and rounded corner groove two 8, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A motor stator and rotor, the motor comprising a housing (1), the stator and rotor comprising a stator core (2), characterized in that, The stator core (2) is formed by stacking multiple laminations (3). Each lamination (3) has a number of positioning components formed on its peripheral wall. The positioning components include symmetrically arranged positioning parts (4), a positioning groove 1 (5) between two positioning parts (4), and a positioning groove 2 (6) between two positioning parts (4) and laminations (3). The positioning groove 1 (5) has a rounded corner groove 1 (7), and the positioning groove 2 (6) has a rounded corner groove 2 (8). The inner wall of the housing (1) has a guide groove for the positioning components to extend into.

2. The motor stator and rotor according to claim 1, characterized in that, There is an angle A between the two positioning parts (4), and there is an angle B between the corresponding positioning part (4) and the punch (3).

3. The motor stator and rotor according to claim 2, characterized in that, Both angles A and B are between 88° and 92°.

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