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Rotary compressor internal structural welding supporting arrangement

A technology of rotary compressor and internal structure, which is applied to rotary piston/swing piston pump components, mechanical equipment, machines/engines, etc. Cost-effective, saving raw materials

Inactive Publication Date: 2007-10-17
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the large heat absorption area of ​​the bearing in this welded structure, it is also very easy to cause the main shaft to suffer thermal deformation.

Method used

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  • Rotary compressor internal structural welding supporting arrangement
  • Rotary compressor internal structural welding supporting arrangement
  • Rotary compressor internal structural welding supporting arrangement

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Embodiment Construction

[0033] Specific embodiments are given below in conjunction with the drawings to further illustrate how the present invention is implemented.

[0034] As shown in Figure 5, the internal structure of the rotary compressor is supported by welding. The compressor shell is a container composed of an upper cover 1, a lower cover 14 and a shell 15. The internal structure of the container includes a stator 2 and a rotor that constitute a motor. 3; And in the center of the rotor 3 is press-fitted with a rotating shaft 4; outside the eccentric portion 16 formed at the lower end of the rotating shaft 4 is provided with a cylinder 8 that forms a compression space for compressing refrigerant gas when the rolling ring in the eccentric portion 16 rotates , While supporting the lower end of the rotating shaft 4, it also supports the upper bearing 7 and the lower bearing 13 of the cylinder 8. The accumulator 11 connected to the suction port 18 formed on the side of the compression space 17 of the ...

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Abstract

The present invention is internal structure welding and supporting mode for rotary compressor. The internal structure includes stator and rotor with rotation shaft embedded in the center, and the rotation shaft is provided with cylinder, upper and lower bearings to support both rotation shaft and the cylinder. Outside the casing, there are liquid storage and exhaust pipe on the top cover. The said structure is supported via upper bearing and welding to the casing inside the casing, and near the welded points there are slots for absorbing and remitting heat deformation of the main shaft during welding. The present invention can ensure the fit precision, and the slots results in saving in material and raised performance / cost ratio.

Description

Technical field [0001] The present invention relates to an invention of a welding support method for a rotary compressor. Furthermore, in the upper bearing of the rotary compressor, slotted holes are provided to reduce the amount of thermal deformation of the main shaft during welding. The internal structure of the rotary compressor is welded and supported. Background technique [0002] In general, rotary compressors are eccentrically combined with a compression part rolling ring on a rotating shaft combined with an electric motor. The rolling ring moves linearly in a circular cylinder, sucks in the refrigerant, compresses it, and discharges it. [0003] The structure of a traditional rotary compressor is shown in Figure 1, which is composed of the following structure: a stator 103 and a rotor 102 of an electric motor are installed inside a casing A provided with a suction port 109a and an output pipe 118, and filled with a certain amount of oil; In addition, a rotating shaft 105...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C29/00
Inventor 张旭刘文旺
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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