| 摘要 |
A tamper-proof bottle cap structurally fixed to an opening of a bottle for guiding the flow of contents in the bottle such as beverage, liquor or the like and designed to prevent foreign objects or fabricated materials from entering the bottle from outside is disclosed. A valve member opens and closes a vertical hole of an inner cover and simultaneously controls the flow of contents discharged via the vertical hole, and a baffle valve coupled to an upper side of the valve member is made to transmit a rotational force of an outer cover and to block the valve member from the outside, such that a spiral fluid current can be formed regardless of the tilting angle of the bottle when the contents of the bottle such as beverage, liquor or the like are poured out. The speed of fluid current of the contents can be constantly maintained, making it possible to discharge the contents in an appropriate quantity and to reduce the friction sound. The valve member and the baffle valve are closed by resistance generated by the input of foreign substances, thereby preventing the contents from being tampered with foreign materials.
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