Valve membrane and check valve

摘要

There is provided a valve membrane including: a thin film member; a first opening and closing member formed by a first cutting line to cut one part of the thin film member and opened by a fluid moving in a first direction; and a second opening and closing member formed by a second cutting line to cut the other part of the thin film member and opened by a fluid moving in a second direction.

主权项

1. A valve membrane, comprising:
a thin film member; a first opening and closing member formed by a first cutting line to cut one part of the thin film member and opened by a fluid moving in a first direction; a second opening and closing member formed by a second cutting line to cut another part of the thin film member and closed by the fluid moving in the first direction; third cutting lines respectively extending inwardly from an end of the first cutting line and another end of the first cutting line; fourth cutting lines respectively extending outwardly from an end of the second cutting line and another end of the second cutting line; and a shaft formed by the third cutting lines and the fourth cutting lines and connecting the thin film member with the first opening and closing member and the second opening and closing member.