Isobaric filling valve capable of being externally arranged in liquid cylinder

Abstract

The invention relates to an isobaric filling valve capable of being externally arranged in a liquid cylinder. The isobaric filling valve comprises a first diaphragm valve, a second diaphragm valve, aliquid inlet cylinder, a liquid inlet pipe, a buffer cylinder, an air return valve body, an air return component, a control valve block, an opening and closing valve body, a piston component, a valvecover, a valve core pipe, a valve head, a valve seat, an exhaust component, a bottle sleeve, a first sealing corrugated pipe and a shunting umbrella. The filling valve is separated from the liquid cylinder and is communicated with the liquid cylinder through the liquid inlet pipe, so that the size of the diameter of the liquid cylinder is not limited by the size of the mounting surface of the filling valve and the liquid cylinder, the cost and the processing difficulty of the liquid cylinder are greatly reduced, meanwhile, the foam in the exhaust channel can be thoroughly removed by virtue ofcompressed air, so that the blowing cost is greatly reduced.

Description

technical field [0001] The invention relates to an equal pressure filling valve which can be placed outside a liquid cylinder. Background technique [0002] Traditional mechanical filling valves are widely used in China due to low cost and simple maintenance. However, in high-speed filling, due to the sharp increase in the number of filling heads, the diameter of the liquid cylinder continues to increase, resulting in material costs and processing costs for the liquid cylinder. The increase in cost is particularly prominent. [0003] The existing filling valves are all built into the liquid cylinder and connected with the liquid cylinder to form an integral structure to realize isobaric filling. The increase in the diameter of the liquid cylinder will cause the deformation of the installation surface of the filling valve and the liquid cylinder to fail to meet the requirements. As for the air leakage and water leakage, which will lead to the loss of pressure in the liquid c...

AI Technical Summary

Problems solved by technology

[0002] Traditional mechanical filling valves are widely used in China due to low cost and simple maintenance. However, in high-speed filling, due to the sharp increase in the number of filling heads, the diameter of the liquid cylinder continues to increase, resulting in material costs and processing costs for the liquid cylinder. The increase in cost is particularly pronounced

[0003] The existing filling valves are all built into the liquid cylinder and connected with the liquid cylinder to form an integral structure to realize isobaric filling. The increase in the diameter of the liquid cylinder will cause the deformation of the installation surface of the filling valve and the liquid cylinder to fail to meet the requirements. As for the air leakage and water leakage, which will lead to the loss of pressure in the liquid cylinder and cannot achieve equal pressure and affect the filling, only the liquid cylinder processed by high-precision equipment can meet the requirements, so the processing is difficult; in addition, the existing equal pressure filling Valve installation cannot remove the foam in the exhaust channel, so carbon dioxide gas can only be used for purging, which is costly and needs further improvement

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