A quick-opening and closing columnar plug body for container plugs

Abstract

The invention discloses a quick-opening and closing columnar plug body for a container plug, comprising a plug rod, the bottom of the plug rod is provided with a base that can be inserted into a container or pulled out of the container, and the shape and size of the base are the same as those of the container mouth. The shape and size of the straight section or the smallest cross-section of the container match, and a vent hole is provided in the center of the base for maintaining pressure balance inside and outside the container, and a vent valve is provided on the vent hole. The present invention has the advantages of simple structure and low cost for quickly opening and closing the columnar plug body for the container plug, and can maintain the pressure balance inside and outside the container during the opening and closing process of the container, and reduce the difficulty of opening and closing the container plug.

Description

technical field [0001] The invention relates to the technical field of container plugs, in particular to a columnar plug body for quickly opening and closing container plugs. Background technique [0002] The applicant filed a patent application for a quick-opening and closing container plug to the Chinese Patent Office on May 11, 2015, and has obtained a utility model patent. It discloses a quick-opening and closing container plug, including a cylindrical plug body , an annular plug body and an elastic sealing sleeve, the cylindrical plug body includes a stopper rod, the bottom of the stopper rod is provided with a base that can be inserted into the container or pulled out of the container, and the shape and size of the base are the same as the straight section of the container mouth Or the shape and size of the smallest cross-section of the container match, an annular plug body is arranged above the base, a flexible sealing sleeve that can be bent and deformed is provided ...

AI Technical Summary

Problems solved by technology

The fast opening and closing container plug has the advantages of convenient use, good sealing performance, good heat preservation effect, high safety and long service life. The process makes it difficult to pull and close the container. In addition, when using this container plug, there will be problems due to the liquid inside, especially carbonated beverages such as soda drinks in the container. Due to the presence of a large amount of carbon dioxide gas in carbonated beverages, carbon dioxide gas from the liquid The internal gradually escapes and accumulates in the container, which makes the internal pressure of the container too high, making it difficult for the cylindrical plug body to go down during the opening process of the container plug

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