Stator punching sheet, stator iron core and motor

A technology of stator punching and punching slots, which is applied in the field of stator punching, stator core and motor, can solve the problems of poor utilization rate of punching slots, high slot utilization rate, low mechanical strength, etc., and achieve high offline rate , high utilization rate and high mechanical strength

Inactive Publication Date: 2017-09-15
ZHUHAI KAIBANG MOTOR MFR +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The magnetic density of the teeth of the round-bottomed slot is uniform, the slot utilization rate is high, the slot insulation is not easy to damage, and the die life is long, but the yoke is thin, the slot area is small, the mechanical strength is low, and the noise is poor; while the punched yoke of the flat-bottomed slot Thick, high mechanical strength, good noise, but the utilization rate of the punching tank is poor

Method used

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  • Stator punching sheet, stator iron core and motor
  • Stator punching sheet, stator iron core and motor
  • Stator punching sheet, stator iron core and motor

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Embodiment Construction

[0032] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0033] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0034] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish simila...

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Abstract

The invention provides a stator punching sheet, a stator iron core and a motor. The stator punching sheet comprises a body, wherein an inner hole is formed in the center of the body; multiple punching sheet grooves are formed in the inner wall of the inner hole; each punching sheet groove comprises a groove opening, an isosceles-trapezoid-shaped groove body and an oval arc-shaped groove bottom; and the short axis of the oval arc-shaped groove bottom is consistent to the radial direction of the inner hole. By virtue of the stator punching sheet and the stator iron core provided by the invention, the advantages of the stator punching sheets of a circular groove and a flat bottom groove can be perfectly combined together, so that the punching sheet groove of the stator punching sheet is high in utilization rate, the punching die is long in service life, noise is low and cost is also lowered.

Description

technical field [0001] The invention relates to the technical field of drive devices, in particular to a stator punch, a stator core and a motor. Background technique [0002] combine Figure 1 to Figure 4 As shown, the punching slots 2 of the traditional stator punching sheet 1 are all round-bottomed slots (such as figure 1 and figure 2 Shown, where a=b>0) and flat bottom groove (such as image 3 and Figure 4 Shown, where a>b=0). The magnetic density of the teeth of the round-bottomed slot is uniform, the slot utilization rate is high, the slot insulation is not easy to damage, and the die life is long, but the yoke is thin, the slot area is small, the mechanical strength is low, and the noise is poor; while the punched yoke of the flat-bottomed slot Thick, high mechanical strength, good noise, but the utilization rate of the punching tank is poor. Contents of the invention [0003] The main purpose of the present invention is to provide a stator punching sheet, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/16
CPCH02K1/165H02K2213/03
Inventor 阳凯姚宇涵李庆陈川礼曾文志
Owner ZHUHAI KAIBANG MOTOR MFR
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