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Stator mounting apparatus, stator mounting structure and fan system

A technology of installation device and installation structure, applied in the direction of magnetic circuit shape/style/structure, magnetic circuit static parts, etc., can solve problems such as large vibration and noise

Inactive Publication Date: 2017-09-15
GUANGDONG WELLING ELECTRIC MACHINE MFG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The motor runs at high speed, and the vibration noise is relatively large

Method used

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  • Stator mounting apparatus, stator mounting structure and fan system
  • Stator mounting apparatus, stator mounting structure and fan system
  • Stator mounting apparatus, stator mounting structure and fan system

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Embodiment Construction

[0026] In the present invention, in the case of no contrary description, the used orientation words such as "up, down, left and right" usually refer to the up, down, left and right shown in the accompanying drawings; "inside and outside" Refers to the inside and outside of the outline of each part itself.

[0027] According to one aspect of the present invention, a stator installation device is provided, wherein the stator installation device 40 includes a cylindrical casing 41 and a connecting piece 42 installed on the inner wall of the casing 41, and the connecting piece 42 includes The first part 421 connected to the housing 41 and the second part 422 extending from the first part 421 toward the inside of the housing 41, the stator 50 is mounted on the second part 422, and the first part 421 is set There is a radial positioning portion 421 a for radially limiting the installation position of the stator 50 , and a circumferential positioning portion 43 for circumferentially ...

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Abstract

The invention relates to the field of an electric tool, and discloses a stator mounting apparatus, a stator mounting structure and a fan system. The stator mounting apparatus (40) comprises a barrel-shaped shell (41) and a connecting piece (42) mounted on the inner wall of the shell; the connecting piece comprises a first part (421) connected to the shell and a second part (42) which extends from the first part (421) towards the inner side of the shell; a stator (50) is mounted on the second part; a radial positioning part (421a) for radially limiting the mounting position of the stator is arranged on the first part; and a circumferential positioning part (43) used for circumferentially limiting the mounting position of the stator is arranged on the shell. By virtue of the stator mounting apparatus disclosed in the invention, the mounting position of the stator can be accurately positioned, thereby ensuring the mounting precision of the stator; and therefore, accurate mounting of a rotor can be matched, and higher air gap uniformity can be obtained, thereby lowering motor noise.

Description

technical field [0001] The invention relates to an electric tool, in particular to a stator installation device, a stator installation structure and a fan system. Background technique [0002] High-speed motors have the advantages of small size, high power density, direct connection with high-speed loads, and improved system transmission efficiency. They are widely used in household appliances and machine tools. The speed of high-speed motors is usually higher than 10,000 r / min, and the speed of some small household vacuum cleaners is even as high as 110,000 r / min. The motor runs at a high speed, and the vibration noise is relatively large. At present, the noise of the motor can be reduced by the uniformity of the air gap between the stator core and the rotor magnetic ring. But this requires more precise control of the mounting accuracy of the stator and rotor. Contents of the invention [0003] The object of the present invention is to provide a stator installation dev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/18
CPCH02K1/18
Inventor 刘亚琼冯国平刘泽猛蒋婷婷
Owner GUANGDONG WELLING ELECTRIC MACHINE MFG
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