STOPPER FOR BEVERAGE CONTAINER

摘要

A stopper for a beverage container is described. The stopper includes a stopper main body that is attached to an upper opening of a beverage container main body and includes a liquid through hole on the inside thereof; and a lid that is axially supported by a hinge shaft that is provided at an end of the stopper main body, and which opens and closes the liquid through hole in a rotational manner; the hinge shaft connects a hinge portion of the stopper main body, and right and left hinge portions of the lid; a storage portion is provided on at least one of the right and left hinge portions of the lid, and the hinge portion of the stopper main body; at least one end of the storage portion in the axis direction of the hinge shaft forms an opening; and a torsion spring is stored in the storage portion, and a cover member covers the opening of the storage portion.

主权项

1. A stopper for a beverage container comprising:
a stopper main body that is attached to an upper opening of a beverage container main body and comprises a liquid through hole on the inside thereof; a lid that is axially supported by a hinge shaft that is provided at an end of the stopper main body, and which opens and closes the liquid through hole in a rotational manner; wherein the hinge shaft connects a hinge portion of the stopper main body with right and left hinge portions of the lid, wherein the hinge portion of the stopper main body is positioned between the right and left hinge portions; a storage portion is provided on at least one of the right hinge portion of the lid, the left hinge portion of the lid, and the hinge portion of the stopper main body; a torsion spring is housed in the storage portion; a cover member covers an opening of the storage portion; the torsion spring and the cover member are integrated with the hinge portion of the stopper main body and the lid hinge portion by the hinge shaft; arm portions, which are provided at both end portions of the torsion spring, are respectively freely fitted into a fixed groove which is provided in the storage portion, and a latching groove which is provided in the cover member; and, the lid is biased toward an opening direction by a connection portion of the cover member abutting against a connection receiving portion.