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Motor and its rotor assembly

A rotor and component technology, applied in the field of motors and their rotor components, can solve the problems of unguaranteed installation accuracy, motor noise, and motor quality degradation, and achieve the effects of improving quality, reducing noise, and reducing noise.

Active Publication Date: 2018-07-24
GUANGDONG WELLING ELECTRIC MACHINE MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this kind of motor often produces noise due to the unguaranteed processing accuracy and installation accuracy of the parts, which degrades the quality of the motor.

Method used

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  • Motor and its rotor assembly
  • Motor and its rotor assembly
  • Motor and its rotor assembly

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Embodiment Construction

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0028] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "left", " The orientation or positional relationship indicated by "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" is Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, and does not indica...

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PUM

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Abstract

The invention discloses a motor and a rotor assembly for the same. The rotor assembly comprises a rotor, a rotor shaft and a vibration damping component. A through hole which is axially perforated through the rotor is formed in the rotor; the rotor shaft penetrates the through hole, is fixed to the rotor and accordingly can rotate along with the rotor when the rotor rotates; the vibration damping component is arranged between the rotor and the rotor shaft. The motor and the rotor assembly have the advantages that the vibration damping component is arranged between the rotor and the rotor shaft of the rotor assembly for the motor, noise due to vibration of the rotor can be effectively lowered when the rotor assembly is applied to the motor, accordingly, noise of the motor can be lowered, and the quality of the motor can be improved.

Description

technical field [0001] The invention relates to the technical field of motor manufacturing, in particular to a motor and a rotor assembly thereof. Background technique [0002] It is pointed out in the related art that in the traditional motor structure, the rotor shaft is usually fixed to the squirrel cage rotor by riveting, and then bearings and other components are installed at both ends of the rotor shaft to form the rotor structure. However, this kind of motor often produces noise because the processing accuracy and installation accuracy of the parts cannot be guaranteed, which reduces the quality of the motor. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a rotor assembly for an electric motor. When the rotor assembly is applied to the electric motor, the noise of the rotor assembly is small. [0004] Another object ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K5/24
CPCH02K5/16
Inventor 朱华秦邦耀范文胡俊杰张守军
Owner GUANGDONG WELLING ELECTRIC MACHINE MFG