Beverage bottle cover having automatic opening/closing function

Abstract

The invention discloses a beverage bottle cover having an automatic opening / closing function; the beverage bottle cover comprises a bottle cover main body in screw thread connection with a bottle body and an upper screwing cover in screw thread connection with the bottle cover main body; the bottle cover main body is provided with a water outlet pipe; the upper screwing cover is provided with an ejection rod extending in the water outlet pipe; the water outlet pipe is internally provided with a water outflowing preventing film that seals the water outlet pipe; the upper screwing cover is screwed, and then the ejection rod ejects the water outflowing preventing film open to form a water outlet channel. When the bottle cover is opened, the water outflowing preventing film is opened in an ejection manner; after the beverage bottle cover is opened, the bottle cover automatically opens a water outlet valve when the beverage is drunk and automatically closes the water outlet valve when the beverage is not drunk to prevent liquid in the bottle from leaking. The storage time of beverage is prolonged and convenience is brought for drinking. A bottle cover tying belt can prevent the bottler cover from being lost, and can be conveniently used to seal a bottle opening again, thereby achieving the purposes of cleanness and health.

Description

technical field [0001] The invention relates to a beverage packaging bottle, in particular to a beverage bottle cap with automatic opening and closing function. Background technique [0002] In the prior art, after opening the cap of the bottled beverage, if the drink is not finished, the bottle cap must be screwed to prevent the liquid in the bottle from leaking when the bottle is turned over. There is an automatic leak-proof structure after the bottle cap is opened, but when the beverage bottle with this bottle cap is filled with some beverages with gas, such as carbonated drinks, the gas in the beverage will rush out of the automatic leak-proof structure when the bottle cap is not unscrewed. Leaky structure, sprayed out. Contents of the invention [0003] The purpose of the present invention is to address the above-mentioned defects of the prior art to provide a beverage bottle. After the bottle cap is opened, the bottle cap can automatically open the water outlet valv...

AI Technical Summary

Problems solved by technology

[0002] In the prior art, after opening the cap of the bottled beverage, if the drink is not finished, the bottle cap must be screwed to prevent the liquid in the bottle from leaking when the bottle is turned over. There is an automatic leak-proof structure after the bottle cap is opened, but when the beverage bottle with this bottle cap is filled with some beverages with gas, such as carbonated drinks, the gas in the beverage will rush out of the automatic leak-proof structure when the bottle cap is not unscrewed. Leakage structure, spraying outward

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