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Motor rotor

A motor rotor and shaft technology, which is applied to the rotating parts of the magnetic circuit, the shape/style/structure of the magnetic circuit, etc., can solve the problems of less effective adhesive, easy falling off of the magnetic steel, affecting the connection strength, etc., and achieves easy assembly. , The connection is stable and not easy to fall off

Inactive Publication Date: 2015-02-04
ZHEJIANG ZOBOW MECHANICAL & ELECTRICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, in the invention patent disclosed by the application number 2011100576563, the magnetic steel is bonded to the iron core through an adhesive, which is also a commonly used connection method in the industry at present. The adhesive between the two is extruded, resulting in less effective adhesive between the two, affecting the connection strength, especially during high-speed rotation, the magnetic steel is easy to fall off

Method used

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Embodiment 1

[0024] Embodiment 1. In this preferred embodiment, the magnetic steel 2 is locked between the adjacent limiting bars 1.1 by physical means, so that the magnetic tiles are detachable and easy to assemble. This method is original in the present invention. In order to create an included structure to embrace the magnetic steel 2, the present invention designs the limit bar 1.1 as a T-shaped rack tooth. Since the rack section is T-shaped, the left and right sides of the T-shaped rack form a barb shape , The magnetic steel 2 is limited between adjacent T-shaped bar teeth, and the magnetic steel 2 is not easy to fall off under high-speed rotation. Such as image 3 As shown, the preferred solution of the iron core 1 of the present invention is that the iron core 1 is composed of a plurality of silicon steel sheets 1.6 superimposed on each other, and the outer circumference of the silicon steel sheet 1.6 is evenly distributed with a number of T-shaped teeth 1.6.1 along the circumferent...

Embodiment 2

[0028] Embodiment 2, in order to further improve the connection strength and reliability between the magnetic steel 2 and the iron core 1, on the basis that the above-mentioned magnetic steel 2 is limited between the adjacent limit strips 1.1, the magnetic steel 2 and the iron core 1 are connected by glue The iron cores 1 are glued together.

[0029] As a further preferred solution of Embodiment 2, the iron core 1 is provided with glue grooves 1.2 between adjacent limiting bars 1.1. The design of the glue tank 1.2 increases the effective adhesive amount between the magnet 2 and the iron core 1, and greatly improves the connection reliability between the magnet 2 and the iron core 1. The glue tank 1.2 is arranged axially along the iron core 1, which is convenient for processing and can store as much adhesive as possible.

[0030] Since the iron core 1 is formed by superimposing a plurality of silicon steel sheets 1.6, the connection mode between adjacent silicon steel sheets 1...

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Abstract

The invention discloses a motor rotor and belongs to the technical field of motors. The motor rotor comprises a rotation shaft, an iron core and magnetic steel. The iron core is fixed on the rotation shaft, a plurality of limit strips with radial limit functions are arranged on the periphery of the iron core circumferentially, and the magnetic steel is limited between the adjacent limit strips. According to the motor rotor, the magnetic steel is locked between the adjacent limit strips in a physical mode, so that magnetic shoes are detachable and convenient to assemble. The magnetic steel and iron core connection is stable, and the magnetic steel cannot fall off easily.

Description

technical field [0001] The invention belongs to the technical field of motors, and more specifically relates to a motor rotor. Background technique [0002] The motor consists of two parts, the rotor and the stator, and it is a device that realizes the conversion of electrical energy and mechanical energy. [0003] The rotor is composed of permanent magnets (magnetic steel) with a certain number of pole pairs installed on the surface of the iron core. For example, in the invention patent disclosed by the application number 2011100576563, the magnetic steel is bonded to the iron core through an adhesive, which is also a commonly used connection method in the industry at present. The adhesive between the two is extruded, resulting in less effective adhesive between the two, which affects the connection strength, especially during high-speed rotation, and the magnetic steel is easy to fall off. Contents of the invention [0004] In view of the deficiencies in the prior art,...

Claims

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Application Information

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IPC IPC(8): H02K1/28
Inventor 李明武谢志明周波陶慧
Owner ZHEJIANG ZOBOW MECHANICAL & ELECTRICAL TECH