Screw air compressor air inlet valve

Abstract

The invention discloses a screw air compressor air inlet valve which comprises a valve body, an upper valve deck, a piston cylinder, a piston assembly and a valve element assembly, wherein the upper valve deck is mounted on the valve body through a bolt; the piston assembly is mounted in the piston cylinder; a valve element cavity allowing the valve element assembly to move is formed in the uppervalve deck; an air inlet is formed in the side wall of the valve element cavity; an air leakage hole for exhausting is formed in the top of the valve element cavity; an air distributing chamber is formed below the valve element cavity; an air passageway communicating with the air distributing chamber is formed in the bottom of the air distributing chamber; the diameter of the air passageway is gradually increased from top to bottom; and a decompression wheel is detachably mounted at the end, far away from the air distributing chamber, of the air passageway. According to the screw air compressor air inlet valve, through the cooperative air intake of the valve element assembly and a valve element cavity similar piston, damage of the valve element assembly caused by frequent collision with the upper valve deck is prevented; and the air pressure entering the air inlet valve can be effectively reduced through the air passageway and the decompression wheel.

Description

technical field [0001] The invention relates to the technical field of air compressor components, in particular to a screw air compressor intake valve. Background technique [0002] The air compressor is a device that converts the mechanical energy of the motor into the pressure energy of the gas. It is the main body in the work of the air source. Among them, the screw air compressor (referred to as the screw air compressor) has stable transmission and high compression efficiency. High, low vibration, low noise and other advantages, so it is widely used in various fields of production and life. [0003] As the core component of the air volume adjustment of the screw air compressor, the intake valve is particularly critical in the accessories of the screw air compressor. Its quality directly affects the overall performance of the screw air compressor. In some occasions where the air is thin , the air compressor usually has insufficient intake air. At this time, it is necessa...

AI Technical Summary

Problems solved by technology

[0003] As the core component of the air volume adjustment of the screw air compressor, the intake valve is particularly critical in the accessories of the screw air compressor. Its quality directly affects the overall performance of the screw air compressor. In some occasions where the air is thin , the air compressor usually has insufficient intake air. At this time, it is necessary to provide air with a certain pressure from the outside to ensure the continuity of the intake air. However, after these gases enter the intake valve due to the certain pressure The uneven distribution inside the air compressor will reduce the efficiency of the air compressor to compress the air, and it will generate a lot of noise; the traditional air compressor inlet valve is usually between the top rod valve core and the upper valve cover. Continuous fitting and separation control the opening and closing state of the intake valve. During this process, the ejector valve core and the top valve cover are constantly collided, which will easily lead to damage to the valve core and cause the failure of the entire intake valve.

Images