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Motor, blower and vacuum cleaner

A motor and motor housing technology, which is applied to vacuum cleaners, cooling/ventilation devices, pump devices, etc., can solve problems such as dimensional errors, difficult assembly of convex parts, and motor performance degradation, and achieve the effect of suppressing performance degradation.

Inactive Publication Date: 2019-01-29
NIDEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the inner rotor type motor described in Japanese Laid-Open Publication No. 2016-103929, if there is a dimensional error in the constituent parts, the protrusion cannot be inserted into the recess and assembly becomes difficult, or there is a possibility that the There is a gap between the convex part and the concave part, and the stator cannot be firmly fixed to the casing
If the stator is not securely fastened to the casing, it may result in reduced motor performance

Method used

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  • Motor, blower and vacuum cleaner
  • Motor, blower and vacuum cleaner
  • Motor, blower and vacuum cleaner

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Embodiment Construction

[0027] Hereinafter, an exemplary embodiment of the present invention will be described in detail with reference to the drawings. In addition, in this specification, in the blower A, the direction parallel to the central axis C of the blower A is referred to as the "axial direction", and the direction perpendicular to the central axis C of the blower A is referred to as " "Radial", the direction along the arc centered on the central axis C of the blower A is referred to as the "circumferential direction". Similarly, with regard to the impeller 20, the directions that coincide with the axial, radial, and circumferential directions of the blower A when assembled in the blower A are abbreviated as "axial", "radial", and "Zhou Xiang". In addition, in this specification, in the air blower A, the shape and positional relationship of each part will be described with the axial direction as the vertical direction, and the air inlet 43 side of the impeller cover 41 with respect to the im...

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Abstract

The invention provides a motor, a blower and a vacuum cleaner. A motor includes a shaft that rotates about a central axis, a rotor that rotates together with the shaft, a stator that opposes the rotorin a radial direction, and a motor housing that surrounds an outside of both the rotor and the stator in the radial direction. An intermediate member is disposed between the motor housing and the stator. The intermediate member includes a first contact portion in direct contact with an upper surface of the stator, and a second contact portion in direct contact with a lower surface of the motor housing. The motor housing includes an axial direction contact portion in direct contact with a lower surface of the stator.

Description

Technical field [0001] The present invention relates to a motor, an air blowing device including the motor, and a vacuum cleaner including the air blowing device. Background technique [0002] The conventional inner rotor type motor is disclosed in Japanese Laid-Open Publication No. 2016-103929. In this inner rotor type motor, a convex portion is formed on the inner peripheral surface of the casing, and a concave portion is formed on the outer circumferential surface of the stator. The stator is positioned in the casing by fitting the concave portion and the convex portion. In the stator, an annular insulator having a mounting surface is in close contact with one end in the axial direction of the stator core. In addition, a notch is formed in a part of the outer peripheral surface of the insulator and at a portion including the close contact portion with the end surface of the iron core, thereby constituting a concave portion of the stator. [0003] In the inner rotor type motor ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K5/00H02K7/14A47L5/06
CPCA47L5/06H02K5/00H02K7/14H02K9/223F04D17/165F04D25/0606F04D29/584F04D29/624H02K1/185H02K9/06F04D25/082F04D29/5806A47L5/22F04D19/00F04D25/06F04D29/26H02K1/146H02K1/2753H02K5/06
Inventor 高木仁盐泽和彦多多良辰哉
Owner NIDEC CORP