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Motor rotor magnet fixing structure

A technology of magnet fixing and motor rotor, applied in the field of motors, can solve the problems of complex assembly of motor rotor and magnet, and achieve the effects of saving assembly time and process, reducing costs, and improving instability

Inactive Publication Date: 2018-03-13
赖国荣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to provide a motor rotor magnet fixing structure that can quickly assemble the motor rotor magnet for the complex assembly of the motor rotor and the magnet.

Method used

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Embodiment Construction

[0030] In order to make the purpose, technical solution and advantages of the present invention clearer, the motor rotor magnet fixing structure of the present invention will be further described in detail through the following embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0031] see Figure 3 to Figure 9 , the present invention provides a motor rotor magnet fixing structure, including: a stator 10, which has a rotation axis O and an accommodating space 11 formed around the rotation axis O, wherein the stator 10 has an annular yoke 12 and a spacer ring A plurality of grooves 13 are provided in the stator 10. The grooves 13 are arranged between the accommodation space 11 and the yoke 12 and communicate with the accommodation space 11. Each groove 13 has a groove opening 131, and its opening direction faces a...

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Abstract

The invention relates to the technical field of a motor, and particularly relates to a motor rotor magnet fixing structure. The motor rotor magnet fixing structure comprises a stator, a rotor, a magnetic part and a plurality of combination mechanisms, wherein the stator has a rotary shaft line and an accommodating space formed around the rotary shaft line; the rotor is rotationally arranged in theaccommodating space along the rotary shaft line, and a rotary shaft passes through the axis of the rotor; the magnetic part is annularly arranged between the stator and the rotor, and the magnetic part is glidingly arranged on the edge of the rotor; and the multiple combination mechanisms are symmetrically arranged between the magnetic part and the rotor relative to the rotary shaft line to enable the rotor and the magnetic part to be clamped firmly in a concave and convex manner. The motor rotor magnet fixing structure disclosed in the invention is simpler and more convenient to assemble; the position of the magnetic part can be more accurate, instability of the motor structure can be improved, assembling time and process can be reduced, and operational performance and stability of the motor can be further improved; and in addition, cost can be lowered and industrial utilization can be facilitated.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a motor rotor magnet fixing structure. Background technique [0002] figure 1 It is a schematic diagram of the internal structure of a motor in the conventional technology, including setting a magnet 3 between the stator 1 and the rotor 2, wherein, when the magnet 3 is to be installed on the rotor 2, the inner wall of the magnet 3 or the outer edge of the rotor 2 Apply glue, and then press-fit the magnet 3 onto the rotor 2 to complete the assembly. However, in this way of assembling the magnet 3, the position of the magnet 3 is not easy to calibrate correctly, and it is easy to cause the magnet 3 Fracture affects the strength of the magnet 3; moreover, the motor generates heat during rotation, which is prone to debonding, causing the rotor 2 to separate from the magnet 3, causing damage to the motor and increasing the instability and defect rate of the motor. [0003] see figu...

Claims

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Application Information

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IPC IPC(8): H02K1/28
CPCH02K1/28
Inventor 赖国荣
Owner 赖国荣
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