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Compressor exhaust apparatus

A technology for exhaust devices and compressors, which is applied to the components of pumping devices for elastic fluids, mechanical equipment, machines/engines, etc., and can solve the problem of metal friction between the bearing surface and the piston, high pressure on the valve seat wall, and the bearing surface Solve problems such as sags to achieve the effects of strengthening rigidity, increasing cooling capacity, and reducing thickness

Inactive Publication Date: 2012-10-24
GUANGDONG MEIZHI COMPRESSOR
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large area of ​​the weak part of the reed valve seat and the large pressure difference on both sides of the seat wall, if the valve seat is too thin, the bearing may face the inner depression of the cylinder, resulting in metal friction between the bearing surface and the piston, or even Stall

Method used

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0026] see Figure 1-Figure 13 , the exhaust device of this compressor, the compressor includes a compression assembly and a motor assembly arranged in a closed casing 18; the compression assembly includes a cylinder 11, a piston 12 arranged in the cylinder 11, and a drive piston 12 for eccentric rotation The eccentric crankshaft 13, the sliding vane arranged in the sliding vane groove of the cylinder 11, the main bearing 15 and the auxiliary bearing 14 respectively arranged on both sides of the cylinder 11; one end of the sliding vane is in contact with the outer circumference of the piston 12; the motor assembly includes a stator 17 And the rotor 16, the stator 17 is fixed on the inner wall of the closed housing 18, and the rotor 16 is fixed on the eccentric crankshaft 13. The exhaust device includes a bearing valve seat 15.2 arranged on the main bea...

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Abstract

The invention relates to a compressor exhaust apparatus, the compressor comprises a compression component and a motor component arranged in a closed casing; the compression component comprises a cylinder, a piston arranged in the cylinder, an eccentric crankshaft capable of driving the eccentric rotation of the piston, a slide plate arranged in a slide plate groove of the cylinder, a main bearing and an auxiliary bearing respectively arranged at two sides of the cylinder; the exhaust apparatus comprises a bearing valve seat arranged on the base bearing, and an exhaust valve sheet, a spring and a stopper which are arranged in the bearing valve seat; a valve seat steam vent is provided at the lower part of the bearing valve seat, a spacing hole is provided at the upper part of the valve seat steam vent; the exhaust valve sheet is carried on the valve seat steam vent, and is capable of moving up and down along an axial direction of the spacing hole; the stopper is positioned at the upper part of the exhaust valve sheet, and is fixedly connected to the spacing hole inner wall; the spring is subjected to pressure welding between the exhaust valve sheet and the stopper. The exhaust apparatus has the advantages of compact structure and simple assembling, can effectively reinforce the rigidity of the bearing valve seat; simultaneously the valve seat thickness is reduced, the clearance volume of the valve seat steam vent is reduced, and the cold amount can be increased.

Description

technical field [0001] The invention relates to an exhaust device of a compressor. Background technique [0002] The reed valve has the characteristics of simple structure, light moving mass and small clearance volume, so it is widely used in micro air compressors and refrigeration compressors. Due to the large area of ​​the weak part of the reed valve seat and the large pressure difference on both sides of the seat wall, if the valve seat is too thin, the bearing may face the inner depression of the cylinder, resulting in metal friction between the bearing surface and the piston, or even Stall. [0003] Chinese Patent Document No. CN201436395U disclosed on April 7, 2010 an exhaust device for a closed rotary compressor, comprising an exhaust valve seat connected to the cavity of the cylinder, and one end of the exhaust valve seat is provided with a The exhaust hole connected to the cavity, the other end of the exhaust valve seat is fixedly connected with the stacked exhaus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C29/12
Inventor 曹小军吴延平李华明
Owner GUANGDONG MEIZHI COMPRESSOR
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