Isobaric electric control mechanical filling valve

Abstract

The invention relates to an isobaric electric control mechanical filling valve. The isobaric electric control mechanical filling valve comprises a valve seat, a valve body vertically fixed to the topof the valve seat, and a valve element vertically inserted into the valve body in a penetrating mode and capable of sliding up and down; a valve cavity is formed in the top of the valve seat, a comb-shaped sleeve is embedded in the valve cavity, and the lower end of the valve element is movably inserted into the comb-shaped sleeve and matched with an opening in the lower end of the valve cavity; the isobaric electric control mechanical filling valve further comprises a guide block, a casing pipe, a sealing gasket, a gas return pipe and diaphragm valves; the casing pipe is vertically and concentrically fixed to the upper end of the valve element, the guide block is fixed to the upper end of the valve element in a sleeving mode and movably embedded in the valve body, and the sealing gasket is embedded in the outer side of the lower end of the valve element in a sleeving mode; and the gas return pipe is vertically inserted into an opening in the lower end of a vent hole. According to theisobaric electric control mechanical filling valve, the liquid level deviation in a filled container is effectively eliminated, and the service life is prolonged; and besides, carbon dioxide gas for purging is completely recycled by virtue of the two diaphragm valves for cycle use, so that the environmental pollution is avoided, and resources are also effectively saved.

Description

technical field [0001] The invention relates to an equal pressure electronically controlled mechanical filling valve. Background technique [0002] The filling valve is an on-off valve that precisely and quantitatively controls the flow rate. It is often used in filling equipment. The existing filling valves all use traditional mechanical filling valves, which are widely used in China because of their low cost and simple maintenance. , but the opening and closing valve, back pressure, exhaust and other actions of the traditional mechanical filling valve are all driven by the friction of mechanical parts. When used in high-speed filling equipment, the mechanical friction action is often not in place, resulting in filling The liquid that enters the container turns over, which eventually leads to a large deviation of the liquid level in the container after filling, and the frequent and rapid mechanical friction during high-speed filling causes the filling valve to be easily dam...

AI Technical Summary

Problems solved by technology

[0002] The filling valve is an on-off valve that precisely and quantitatively controls the flow rate. It is often used in filling equipment. The existing filling valves all use traditional mechanical filling valves, which are widely used in China because of their low cost and simple maintenance. , but the opening and closing valve, back pressure, exhaust and other actions of the traditional mechanical filling valve are all driven by the friction of mechanical parts. When used in high-speed filling equipment, the mechanical friction action is often not in place, resulting in filling The liquid that enters the container turns over, which eventually leads to a large deviation of the liquid level in the container after filling, and the frequent and rapid mechanical friction during high-speed filling causes the filling valve to be easily damaged and has a short service life; in addition, the current Some filling valves need to use carbon dioxide gas to purge the container after a single filling, and all the purged carbon dioxide gas is discharged to the outside, making it impossible to continue to use, which not only pollutes the environment, but also causes a serious waste of resources , urgently need to be resolved

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