The Lose liquid containers that this Chong makees are included Yong Cover attached bags:Outer Cover is in Ring Like, and Even connects the oral area in Lose liquid containers, and is included in the bottom outer borders border With Inner that mutually mutually Even connectsAnd Xiang Rubber plug The Xiang Rubber plugs are supported on the above-mentioned borders Inner of Shu Wai Cover, outlet by above stating outer Cover states outer Cover upper by peace Installed to the side Inner Chisel Tight, above states the above-mentioned outlet of outer Cover in the thinner wall section that there is periphery to reduce a Grade towards Inner Side for the ends Top and be formed.本創作的輸液容器用蓋子包括:外蓋,其呈環狀,連接在輸液容器的口部,且包含在底部相互連接的外周圈與內周圈;以及橡膠塞,該橡膠塞支承在上述外蓋的上述內周圈,藉由上述外蓋的外周圈向內方鑿緊而被安裝在上述外蓋,上述外蓋的上述外周圈在頂端部具有外周面向內側降低一級而形成的薄壁部。