switch that use in system of keeping cool or warm for a refreshing drink can

摘要

In the switch which sends the filling gas 10 of the beverage can 6 to the vinyl tube 1, it has the awl 4 which can form a hole in the beverage can 6, and also the backflow of the filling gas 10 And serves as a valve to block the inflow of excess gas, has a lid (5) to prevent malfunction, is structurally simple and easy to manufacture and assembly, there is a fixing groove easy to attach to the beverage can (6) Do.