Valve type single riser seal cover for infusion container

The utility model discloses a valve type single riser seal cover for an infusion container, comprising a cover body used for being mounted on a liquid container, wherein an infusion tube communicated with an inner cavity of the cover body is arranged on one end surface of the cover body, an opening valve is hermetically arranged on the outer port of the infusion tube, and the cover body, the infusion tube and the opening valve are connected into an integrated structure; and the infusion tube is a hollow cylindrical body, and the inner diameter of the infusion tube is smaller than the outer diameter of a standard plastic infusion needle. The valve type single riser seal cover for the infusion container is convenient to open and labor-saving, and thoroughly eliminates the potential safety hazard caused by falling scrap of a gasket due to the gasket-free design, meanwhile, the locking force to the plastic infusion needle is far greater than the resilience force of the gasket in a common combined cover, and the p