Plug for use in a beverage container

摘要

The plug includes: a resilient member that is provided on the valve body and serves to bias the valve body in a closing direction; a valve body cover attached to the valve body in order to prevent the resilient member from coming of a rotation member rotatably provided on the valve body cover; at least two engagement claw portions that are provided on the rotation member and serve to allow the valve body cover to be engaged with an upper portion of the valve body; and claw guiding grooves and the recessed grooves serving as steps that are provided on an upper portion of the valve body, the number of the claw guiding grooves being equal to the number of or the integral multiple of the engagement claw portions, the recessed grooves allowing the rotation member to rotate.

主权项

1. A plug for use in a beverage container having a container main body, comprising:
a plug main body detachably attached to an opening section of said container main body; a fluid passage formed inside said plug main body, and extending from an inlet open toward an inner side of said container main body to an outlet open toward an outer side of said plug main body; a valve body biased in a direction allowing the inlet of said fluid passage to be closed; a cover that is provided on an upper end of said plug main body and serves to cover an upper opening section of said plug main body; an opening and closing device provided on said cover; a resilient member that is provided on said valve body and serves to bias said valve body in a closing direction; a valve body cover attached to said valve body in order to prevent said resilient member from coming off; a rotation member rotatably provided on said valve body cover; at least two claw portions that are provided on said rotation member and serve to allow the valve body cover to be engaged with a valve shaft of the valve body; and claw guiding grooves and steps that are provided on an upper portion of said valve body, the number of said claw guiding grooves being equal to the number of or the integral multiple of said claw portions, said steps allowing the rotation member to rotate, wherein said valve body cover is detachable by moving the valve body cover up and down.