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Stator provided with metal support framework

A metal support and skeleton technology, applied in the field of micro motors, can solve the problems of difficult to ensure that the bearing installation position is strictly coaxial, unstable operation of the micro motor, and high failure rate, and achieve the effects of small vibration, avoidance of stability, and low failure rate.

Inactive Publication Date: 2017-06-23
CHONGQING KNVAN ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Injection-molded bearing sleeves are difficult to ensure that the installation positions of the front and rear bearings are strictly coaxial, resulting in unstable operation of the micro-motor, large vibration, high noise, and high failure rate

Method used

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  • Stator provided with metal support framework
  • Stator provided with metal support framework
  • Stator provided with metal support framework

Examples

Experimental program
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Effect test

Embodiment 1

[0028] Such as Figure 1 to Figure 3 As shown, the stator provided with a metal support frame includes a housing 1 and a hollow and integrally formed metal support frame 6;

[0029] The metal support frame 6 includes a magnetic steel accommodation section 63, a first bearing accommodation section 61 located at the front end of the magnetic steel accommodation section 63 and coaxially arranged with the magnetic steel accommodation section 63, and a first bearing accommodation section 61 located at the rear end of the magnetic steel accommodation section 63 and connected to the magnetic steel accommodation section. 63 The second bearing containing section 62 coaxially arranged, the outer wall of the magnetic steel containing section 63 is inlaid with the magnetic steel 2, the front bearing 3 is fixed in the first bearing containing section 61, and the rear bearing 4 is fixed in the second bearing containing section 62 , the outer wall of the first bearing receiving section 61 is...

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PUM

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Abstract

The invention discloses a stator provided with a metal support framework. The stator includes a shell and a metal support framework; the metal support framework includes a magnetic steel accommodating segment, a first bearing accommodating segment and a second bearing accommodating segment, the outer wall of the magnetic steel accommodating segment is inlaid with magnetic steel, a front bearing is fixed within the first bearing accommodating segment, and a rear bearing is fixed within the second bearing accommodating segment; the front end of the shell extends inwards in a radial direction and is provided with a plurality of positioning segments matched with a first positioning slot, end parts of free ends of the positioning segments are provided with extending segments matched with a second positioning slot, and the inner wall of the shell is provided with a support ring that sleeves the second bearing accommodating segment. The stator provided by the invention adopts the metal support framework to replace a bearing sleeve formed by injection molding, so that the coaxiality of the front bearing and the rear bearing is higher, a micromotor works more stably, the vibration is small, the noise is small, and the failure rate is low.

Description

technical field [0001] The invention relates to a micro-motor, in particular to a stator of the motor. Background technique [0002] Micromotors are important components in the field of microtransmissions. A micromotor mainly includes a stator and a rotor. The stator includes two bearings, front and rear. When manufacturing and assembling the stator, it is necessary to ensure the coaxiality of the front and rear bearings. [0003] In the existing stator provided with a metal support frame, the bearing sleeve is molded by injection molding, and then the front and rear bearings are installed in the bearing sleeve. Injection-molded bearing sleeves are difficult to ensure that the installation positions of the front and rear bearings are strictly coaxial, resulting in unstable operation of the micro-motor, large vibration, high noise, and high failure rate. Contents of the invention [0004] The purpose of the present invention is to overcome the shortcomings of the prior ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/17H02K1/18H02K5/16
CPCH02K1/17H02K1/187H02K5/161
Inventor 梁伯军黄成勇
Owner CHONGQING KNVAN ELECTRONICS
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