CN213754118U

CN213754118U - Motor stator

Info

Publication number: CN213754118U
Application number: CN202022470023.2U
Authority: CN
Inventors: 郭星
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-20
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a motor stator, motor stator is formed by a plurality of towards the concatenation of piece annular, it forms to pile up towards the piece body towards the piece by a plurality of towards the piece, be equipped with the lug towards the one end of piece body, the holding tank has been seted up towards the other end of piece body, holding tank and adjacent towards on the piece body lug looks adaptation, be equipped with the fish tail below towards the piece body, set up flutedly towards the higher authority of piece body, the opening has still been seted up towards the higher authority both sides of piece body, the utility model discloses not only processing is convenient, and work efficiency is high.

Description

Motor stator

Technical Field

The utility model relates to a water pump motor of DC power supply, adapter power supply, solar energy power supply, concretely relates to motor stator.

Background

The motor is the important component of water pump, immersible pump, and the stator is an essential important part in the motor, and traditional water pump power density is lower, and the rotational speed is certain moreover, and consequently work efficiency is lower, and along with the progress of science and technology, people do not confine to the constant speed to the requirement of water pump to the motor stator that leads to current water pump can not satisfy people's demand.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a motor stator to solve the above technical problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the motor stator is formed by annularly splicing a plurality of stamped sheets, each stamped sheet is formed by stacking a plurality of stamped sheet bodies, a lug is arranged at one end of each stamped sheet body, a containing groove is formed in the other end of each stamped sheet body, the containing grooves are matched with the lugs on the adjacent stamped sheet bodies, a fishtail is arranged below each stamped sheet body, a groove is formed in each stamped sheet body, notches are formed in two sides of each stamped sheet body, and the length-height ratio of each notch is 4: 1.

Further, the length of the groove is 6.2mm, and the height is 1 mm.

Further, the length of the upper end of the fish tail is 7.8mm, the two ends of the fish tail are in fillet transition, and the radius of the fillet at the two ends of the fish tail is 0.175 mm.

Still further, the tip of lug and the tank bottom of holding tank are the arc, the arc radius of lug is 0.4mm, the arc radius of holding tank is 0.39 mm.

Furthermore, the containing groove with towards the side of piece body pass through the fillet and connect, the fillet radius of the side junction of containing groove is 0.3 mm.

Further, the linear distance from the center of the motor stator to the bottom of the fish tail is 24.01 mm.

Further, the thickness of punching the piece body is 0.35 mm.

Further, the flatness between the front end face and the rear end face of the motor stator is 0.3, and the maximum diameter of the motor stator is 77 mm.

According to the above technical solution, the utility model has the advantages that:

1. the utility model provides a stator is the silicon chip, through chooseing for use high-efficient silicon chip, can reduce the iron loss, raises the efficiency.

2. The utility model discloses in to winding technology, the design has been carried out in aspects such as motor heat dissipation mode and lightweight design, the power density of motor can be improved, calculate through equivalent magnetic circuit and obtained each part size of motor stator, winding wire gauge and motor performance isoparametric, then the performance parameter curve of motor has been imitated out through motor design software, and the influence of rotor material to motor performance parameter has been decided to the different emulation analysis, adopt the finite element method to carry out the emulation research to the operating characteristic and the magnetic field distribution of motor again, the accuracy of equivalent magnetic circuit has been verified, and different motor core lengths have been calculated in the emulation, air gap length and rotor slot number are to the influence of motor performance, in the aspect of lightweight design, motor weight has also been reduced, the power density of motor is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

Fig. 1 is the structure diagram of the punching sheet body of the utility model.

Fig. 2 is the structure diagram of the punching sheet of the present invention.

List of reference numerals: the punching sheet comprises a punching sheet body 1, a lug 11, a notch 12, an accommodating groove 13, a groove 14 and a fishtail 15.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

Referring to fig. 1 to 2, as shown in fig. 1 and 2, the motor stator is formed by annularly splicing a plurality of punching sheets, each punching sheet is formed by stacking a plurality of punching sheet bodies 1, one end of each punching sheet body 1 is provided with a lug 11, the other end of each punching sheet body 1 is provided with an accommodating groove 13, the accommodating grooves 13 are matched with the lugs 11 on the adjacent punching sheet bodies 1, so that the punching sheets are annularly spliced, the accuracy in splicing is improved, a fish tail 15 is arranged below each punching sheet body 14, a groove 14 is formed in each punching sheet body 1, gaps 12 are further formed in two sides of each punching sheet body 1, and the ratio of the length to the height of each gap 12 is 4: 1.

Preferably, the grooves 14 have a length of 6.2mm and a height of 1 mm.

Preferably, the length of the upper end of the fishtail 15 is 7.8mm, the two ends of the fishtail 15 are in fillet transition, the radius of the fillet at the two ends of the fishtail 15 is 0.175mm, and the fishtail 15 is used for ensuring that the motor has a normal sine wave.

Preferably, the end of the lug 11 and the groove bottom of the receiving groove 13 are both arc-shaped, the arc-shaped radius of the lug 11 is 0.4mm, and the arc-shaped radius of the receiving groove 13 is 0.39 mm.

Preferably, the holding tank 13 with towards the side of piece body 1 through the fillet connection, the fillet radius of the side junction of holding tank 13 is 0.3 mm.

Preferably, the linear distance from the center of the stator of the motor to the bottom of the fishtail 15 is 24.01 mm.

Preferably, the thickness of the punching sheet body 1 is 0.35 mm.

Preferably, the flatness between the front end surface and the rear end surface of the motor stator is 0.3, and the maximum diameter of the motor stator is 77 mm.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The motor stator is characterized in that the motor stator is formed by annularly splicing a plurality of punching sheets, each punching sheet is formed by stacking a plurality of punching sheet bodies (1), a lug (11) is arranged at one end of each punching sheet body (1), an accommodating groove (13) is formed in the other end of each punching sheet body (1), the accommodating grooves (13) are matched with the lugs (11) on the adjacent punching sheet bodies (1), a fish tail (15) is arranged below each punching sheet body (1), a groove (14) is formed in the upper surface of each punching sheet body (1), gaps (12) are further formed in two sides of the upper surface of each punching sheet body (1), and the length-height ratio of each gap (12) is 4: 1.

2. A stator according to claim 1, characterized in that the groove (14) has a length of 6.2mm and a height of 1 mm.

3. The motor stator as claimed in claim 2, wherein the length of the upper end of the fishtail (15) is 7.8mm, the two ends of the fishtail (15) are rounded off, and the radius of the rounded off angle of the two ends of the fishtail (15) is 0.175 mm.

4. The stator of an electric machine according to claim 3, characterized in that the ends of the lugs (11) and the groove bottoms of the receiving grooves (13) are both arc-shaped, the arc-shaped radius of the lugs (11) is 0.4mm, and the arc-shaped radius of the receiving grooves (13) is 0.39 mm.

5. The motor stator as claimed in claim 4, wherein the side edges of the receiving groove (13) and the punching sheet body (1) are connected through a fillet, and the fillet radius at the joint of the side edges of the receiving groove (13) is 0.3 mm.

6. An electric machine stator according to claim 5, characterized in that the linear distance from the centre of the electric machine stator to the bottom of the fish tail (15) is 24.01 mm.

7. The motor stator as claimed in claim 1, wherein the thickness of the punching sheet body (1) is 0.35 mm.

8. The motor stator according to claim 1, wherein a flatness between a front end surface and a rear end surface of the motor stator is 0.3, and a maximum diameter of the motor stator is 77 mm.