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Motor rotor pin jointing structure

A motor rotor and pivot joint technology, which is applied in the field of motor rotor pivot joint structure, can solve the problems that the clasp 30 is broken and damaged, cannot be disassembled, and the clasp 30 and the mandrel 11 are prone to friction noise, etc. Noise, stability improvement effects

Inactive Publication Date: 2007-03-14
SUNONWEALTH ELECTRIC MACHINE IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the motor rotor 10 cannot be disassembled after being pivotally connected, because the mandrel 11 and the retaining ring 30 are assembled by force. cannot be disassembled afterwards, resulting in having to replace the entire stator 20
[0005] Furthermore, when the motor rotor 10 is pivotally connected, it is directly forced into the buckle hole 31 with the abutment top 12, and the buckle hole 31 is forced to deform and fit into the groove 13 to achieve the purpose of pivoting, but the buckle ring 30 cannot be completely restored to flatness after deformation , so that the friction noise between the buckle 30 and the mandrel 11 is easy to occur

Method used

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Embodiment Construction

[0020] The preferred embodiments of the present invention are listed below and the relative positional relationship of the various components of the present invention will be described in detail with reference to the accompanying drawings.

[0021] As shown in Figure 3, the motor is mainly composed of a rotor 10 and a stator 20, wherein:

[0022] A mandrel 11 is arranged in the center of the rotor 10 , and the end side of the mandrel 11 near the abutting portion 12 has a groove 13 with a smaller outer diameter.

[0023] The stator 20 is sleeved on the outer periphery of a shaft tube 21 , and a bearing 22 is installed in the shaft tube 21 , and the spindle 11 of the rotor 10 is driven to rotate in the center of the bearing 22 .

[0024] As shown in FIG. 4 , it is the first embodiment of the present invention. The abutting portion 12 of the mandrel 11 is provided with two parallel axial sections 14, so that the section of the abutting portion 12 forms a non-circular shape, and t...

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Abstract

This invention relates to one motor rotor rivet structure, which comprises following parts: one center axis fixed on center of rotor against its top side with small radium in non-round shape; one cover ring with cover holes relative to the top part. This structure operation cannot result cover shape crack.

Description

technical field [0001] The invention relates to a motor rotor pivot joint structure, which is used for fastening and positioning a mandrel so that the motor rotor can rotate corresponding to a stator without falling off. Background technique [0002] As shown in Figure 1, the motor includes a rotor 10 and a stator 20, wherein the rotor 10 has a spindle 11, the stator 20 is placed on the outer periphery of a shaft tube 21, the shaft tube 21 is equipped with a bearing 22, the spindle of the rotor 10 11 The threading card rotates in the center of the bearing 22, and the function of the buckle ring 30 is to fasten and position the mandrel 11 so that the rotor 10 can rotate corresponding to the stator 20 without falling off. [0003] As shown in FIG. 2 , it is a conventional motor rotor pivot joint structure. The end side of the mandrel 11 near the abutment top 12 has a groove 13 with a smaller outer diameter. , and the periphery of the button hole 31 is provided with a pluralit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K5/16H02K15/16
Inventor 洪银树王科鉴
Owner SUNONWEALTH ELECTRIC MACHINE IND
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