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Pressure sealing structure of vortex compressor

A scroll compressor, sealing structure technology, applied in the direction of rotary piston machinery, rotary piston pump, mechanical equipment, etc., can solve the problems of pressure leakage, reduce compression efficiency, pressure difference, etc., to reduce pressure leakage, improve The effect of compression efficiency

Inactive Publication Date: 2003-07-02
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Abstract
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Problems solved by technology

[0016] The existing scroll compressor has the following disadvantages: the high pressure acting on the back of the rotating scroll shaft hard disk 8d through the oil passage 6b in the rotating shaft and the intermediate pressure acting on the bushing insertion groove 2c generate a pressure difference, resulting in pressure loss. leakage
Therefore, the pressure seal between the compression space on the high pressure side and the compression space on the low pressure side—that is, the top of the orbiting scroll 8a and the top of the fixed scroll 7a cannot form a pressure seal in time, so that the high pressure part and the low pressure part Leakage of pressure occurs between them, thus reducing the compression efficiency

Method used

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  • Pressure sealing structure of vortex compressor
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  • Pressure sealing structure of vortex compressor

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Embodiment Construction

[0044] The present invention is described in detail below in conjunction with accompanying drawing and specific embodiment:

[0045] figure 2 It is a sectional view of the sealing structure of the compression part of the scroll compressor of the present invention.

[0046] There is an airtight container 1 in the scroll compressor, and the main frame 2 and the auxiliary frame are fixed in the airtight container 1 respectively. A stator 4 and a rotor 5 are arranged between the main frame 2 and the subsidiary frame.

[0047] The rotating shaft 6 is pressed into the rotor 5, and the upper part of the rotating shaft 6 has an eccentric portion 6a, which is fixed on the upper side of the main frame 2, and the fixed scroll shaft 7 is fixed on the upper side of the main frame 2 at a certain distance. An orbiting scroll shaft 8 capable of relative rotation with the fixed scroll shaft 7 is inserted between the main frame 2 and the fixed scroll shaft 7 . The eccentric portion 6a of the ...

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Abstract

A pressure sealing structure of vortex-type compressor is disclosed. The compressing space is formed by the shaft sleeve inserting slot of main frame, fixed vortex disk and rotary vortex disk. Said pressure sealing structure is inserted between the inserting slots of eccentric part and shaft sleeve for preventing pressure leakage on the back of rotary vortex shaft driven by motor.

Description

technical field [0001] The invention relates to a pressure sealing structure of a scroll compressor. Background technique [0002] Generally speaking, a compressor is a machine that compresses a fluid such as a medium gas. One type of scroll compressor, which is a compressor, is composed of a motor and a compression unit. The motor is arranged inside the airtight container to generate driving force. Driven by the motor, the involute orbiting scroll and fixed scroll in the compression section rotate relative to each other to compress gas. In addition, scroll compressors are divided into two operating modes; one is a high-pressure mode that maintains a high-pressure state in an airtight container, and the other is a low-pressure method that maintains a relatively low-pressure state in an airtight container. [0003] as the picture shows, figure 1 It is a sectional view of a scroll compressor. There is a closed container 1 with a certain internal space in the scroll compre...

Claims

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Application Information

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IPC IPC(8): F04C18/02
Inventor 赵洋熙
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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