CN214045209U

CN214045209U - Motor rotor

Info

Publication number: CN214045209U
Application number: CN202022470042.5U
Authority: CN
Inventors: 郭星
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-24
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a motor rotor, which is formed by stacking a plurality of rotor punching sheets, a plurality of punching sheet grooves and a plurality of iron core embedding holes are arranged in the rotor punching sheets, the punching sheet grooves and the iron core embedding holes are all annularly and evenly distributed, the punching sheet grooves are relatively far away from the center of the rotor punching sheets relative to the iron core embedding holes, both ends of the outer sides of the punching sheet grooves are respectively provided with an inclined plane, a first fillet is arranged between the inclined plane and the outer end surface of the punching sheet groove, a second fillet is arranged between the inclined plane and the side end surface of the punching sheet groove, one end of the side end surface of the punching sheet groove, which is close to the center of the rotor punching sheet, is provided with an arc-shaped groove and an arc-shaped convex angle, the arc-shaped groove is closer to the outer end surface of the rotor punching sheet than the arc-shaped convex angle, a central hole is arranged in the middle of the rotor punching sheet, the utility model can improve the working efficiency of the motor, so that the torque effect is better.

Description

Motor rotor

Technical Field

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

Background

The motor is an important component of the water pump and the submersible pump, the rotor is an essential important component in the motor, the power density of the traditional water pump is low, and only a constant speed function is provided, so that the requirement of the market cannot be met by adopting the common high-power-density motor.

Accordingly, there is a need for improvements to existing electric machine rotors.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides an electric motor rotor to solve the above technical problem.

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

the utility model provides an electric motor rotor, electric motor rotor is piled up by a plurality of rotor punching and forms, a plurality of punching sheet groove and a plurality of iron core embedded hole have been seted up in the rotor punching, the punching sheet groove with the iron core embedded hole all is annular equipartition, just the punching sheet groove is for the iron core embedded hole is farther away from the centre of a circle of rotor punching, the outside both ends of punching sheet groove all are equipped with the inclined plane, the inclined plane with be equipped with first fillet between the outer terminal surface of punching sheet groove, the inclined plane with be equipped with the second fillet between the side end face of punching sheet groove, on the side end face of punching sheet groove and be close to the one end at rotor punching center is equipped with arc wall and arc salient angle, the arc wall is more the arc salient angle is more close to the outer terminal surface of rotor punching, the centre bore has been seted up to the centre of punching sheet rotor.

Further, the radius of the first round angle is 0.3mm, and the radius of the second round angle is 0.15 mm.

Further, the radius of the arc-shaped groove is 0.3mm, and the radius of the arc-shaped convex angle is 0.2 mm.

Further, the diameter of the central hole is 20mm, and the distance between every two adjacent punching grooves is 0.5 mm.

Further, the width of iron core embedding hole is 1mm, the length of iron core embedding hole is 3 mm.

Further, an included angle between the center line of the punching sheet groove and the side end face of the punching sheet groove is 18 degrees.

Further, the distance from the central hole to the iron core embedding hole is 14.5 mm.

Further, the thickness of the rotor punching sheet is 0.35 mm.

Furthermore, the number of the punching sheet grooves is ten, and the number of the iron core embedding holes is five.

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

1. the utility model provides a rotor material adopts high-efficient silicon chip, can reduce iron loss, raises the efficiency.

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 a schematic structural diagram of a rotor sheet of the present invention.

Fig. 2 is a partially enlarged view of a portion a of fig. 1.

List of reference numerals: the rotor punching sheet 1, the center hole 11, the core embedding hole 12, the punching sheet groove 13, a first fillet 131, a second fillet 132, an arc-shaped groove 133, an arc-shaped convex angle 134 and an inclined plane 135.

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 rotor is formed by stacking a plurality of rotor sheets 1, a plurality of sheet slots 13 and a plurality of iron core insertion holes 12 are formed in the rotor sheets 1, the sheet slots 13 and the iron core insertion holes 12 are uniformly distributed in an annular shape, the sheet slots 13 are farther away from the center of the rotor sheet 1 than the iron core insertion holes 12, both ends of the outer side of the sheet slots 13 are provided with inclined planes 135, a first fillet 131 is arranged between the inclined planes 135 and the outer end face of the sheet slot 13, a second fillet 132 is arranged between the inclined planes 135 and the side end face of the sheet slot 13, one end of the side end face of the sheet slot 13, which is close to the center of the rotor sheet 1, is provided with an arc-shaped slot 133 and an arc-shaped convex angle 134, the arc-shaped slot 133 is closer to the outer end face of the rotor sheet 1 than the arc-shaped convex angle 134, the middle of the rotor punching sheet 1 is provided with a center hole 11, and the center hole 11 is used for installing the motor rotor on a motor.

Preferably, the radius of the first rounded corner 131 is 0.3mm, and the radius of the second rounded corner 132 is 0.15 mm.

Preferably, the radius of the arc-shaped groove 133 is 0.3mm, and the radius of the arc-shaped convex angle 134 is 0.2 mm.

Preferably, the diameter of the central hole 11 is 20mm, and the distance between two adjacent punching grooves 13 is 0.5 mm.

Preferably, the width of the core insertion hole 12 is 1mm, and the length of the core insertion hole 12 is 3 mm.

Preferably, an included angle between a center line of the punched piece groove 13 and a side end face of the punched piece groove 13 is 18 °.

Preferably, the distance from the central hole 11 to the core-inserting hole 12 is 14.5 mm.

Preferably, the thickness of the rotor sheet 1 is 0.35 mm.

Preferably, the number of the punching sheet grooves 13 is ten, the ten punching sheet grooves 13 are distributed annularly, the motor efficiency can be improved, the motor torque effect is better, and the number of the iron core embedding holes 12 is five.

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 rotor is characterized in that the motor rotor is formed by stacking a plurality of rotor punching sheets (1), a plurality of punching sheet grooves (13) and a plurality of iron core embedding holes (12) are formed in the rotor punching sheets (1), the punching sheet grooves (13) and the iron core embedding holes (12) are uniformly distributed in an annular shape, the punching sheet grooves (13) are far away from the circle center of the rotor punching sheets (1) relative to the iron core embedding holes (12), both ends of the outer side of the punching sheet grooves (13) are respectively provided with an inclined plane (135), a first round corner (131) is arranged between the inclined plane (135) and the outer end face of the punching sheet groove (13), a second round corner (132) is arranged between the inclined plane (135) and the side end face of the punching sheet groove (13), one end of the punching sheet groove (13) close to the center of the rotor punching sheet (1) is provided with an arc-shaped groove (133) and an arc-shaped convex corner (134), the arc-shaped groove (133) is closer to the outer end face of the rotor punching sheet (1) than the arc-shaped convex angle (134), and a center hole (11) is formed in the middle of the rotor punching sheet (1).

2. An electric machine rotor according to claim 1, characterized in that the radius of the first fillet (131) is 0.3mm and the radius of the second fillet (132) is 0.15 mm.

3. An electric machine rotor according to claim 1, characterised in that the radius of the arc-shaped slot (133) is 0.3mm and the radius of the arc-shaped lobe (134) is 0.2 mm.

4. An electric machine rotor according to claim 1, characterized in that the diameter of the central hole (11) is 20mm and the distance between two adjacent punched slots (13) is 0.5 mm.

5. The electric machine rotor according to claim 1, characterized in that the width of the core insertion hole (12) is 1mm, and the length of the core insertion hole (12) is 3 mm.

6. An electric machine rotor according to claim 1, characterised in that the angle between the centre line of the punched slot (13) and the side end surface of the punched slot (13) is 18 °.

7. An electric machine rotor according to claim 1, characterized in that the distance of the central hole (11) to the core insertion hole (12) is 14.5 mm.

8. An electric machine rotor according to claim 1, characterised in that the thickness of the rotor sheet (1) is 0.35 mm.

9. An electric machine rotor according to claim 1, characterized in that the number of the punched slots (13) is ten and the number of the core insertion holes (12) is five.