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A method of assembling a rotary compressor

A rotary compressor and assembly method technology, applied in the field of compressors, can solve problems such as inability to assemble, limit the freedom of motor size design, etc., achieve the effects of reducing size, improving starting performance, and reducing moment of inertia

Active Publication Date: 2016-12-14
SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing assembly method of the shell and the motor limits the design freedom of the motor size, because the outer diameter of the designed motor must consider the size of the compressor shell diameter, otherwise it cannot be assembled

Method used

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  • A method of assembling a rotary compressor
  • A method of assembling a rotary compressor
  • A method of assembling a rotary compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as Figure 1-3 As shown, a rotary compressor includes a housing 1, a motor stator 3, a motor rotor 4 and a pump body assembly 5, and also includes three support frames 2, which are dispersedly arranged on the inner wall of the housing 1, and are formed after being connected with the housing. The housing assembly, each supporting frame 2 is arcuate, including the middle boss 6 and the feet 7 integrally provided at both ends of the boss, the outer diameter of the motor stator 3 is smaller than the inner diameter of the housing 1, and the motor stator 3 is pressed into each supporting frame 2 In the middle, the boss 6 of the support frame 2 is in interference fit with the outer diameter of the motor stator 3, and the legs 7 at both ends are welded on the housing 1, so that the motor stator 3 is fixed in the housing 1 through the support frame 2. The motor rotor 4 is inserted into the inner hole of the motor stator 3, and the pump body assembly 5 is welded on the casin...

Embodiment 2

[0037] Six supporting frames are set according to the shape of the motor stator, and the rest are the same as in Embodiment 1.

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Abstract

The present invention relates to the field of compressors, in particular to a rotary compressor and an assembly method thereof, which includes a housing, a motor stator, a motor rotor and a pump body assembly, and is characterized in that it also includes a number of support frames, the motor stator outer The diameter is smaller than the inner diameter of the shell, and several support frames are connected with the shell to form a shell assembly. The motor stator and the shell assembly are fixed in an interference connection. The motor rotor is positioned with the motor stator through a gap gauge and connected to the pump body assembly. The pump body assembly is connected to the casing. Compared with the prior art, the invention can reduce the cost of the compressor, improve the surface coating of the compressor, improve the starting performance and the like.

Description

technical field [0001] The invention relates to the field of compressors, in particular to an assembly method of a rotary compressor. Background technique [0002] The existing compressor motor stator assembly and the compressor shell are connected by means of interference fit. The assembly method is: heat the compressor casing to increase its inner diameter, then insert the stator assembly of the motor into the heated casing, and shrink the inner diameter of the casing after cooling, so that it can reach the same level as the stator assembly of the motor. Purpose of clearance fit. [0003] The existing assembly method of the housing and the motor limits the design freedom of the motor size, because the outer diameter of the designed motor must consider the size of the compressor housing diameter, otherwise it cannot be assembled. In the lower limit of some compressor models, a smaller type of motor can meet the start-up and operation requirements, which can greatly reduce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C23/02
Inventor 黄波曹进陆峻青耿樵
Owner SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD
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