Chlorine injection device for dental tap water and chlorine injection pressurized supply device

摘要

A chlorine injection device (10) for dental tap water, for injecting chlorine into dental treating tap water to maintain a bactericidal action, comprising a flow path for regulating a flow rate of tap water supplied from a tap water pipe (30), and a chlorine injection tube (15) provided in the flow path and storing therein a chlorine ion additive, wherein the chlorine injection tube has a cylinder having at the lower part thereof holes and an annular body provided outside the cylinder and having notches, the cylinder and the annular body being rotated relatively to change the opening area of the holes, whereby a chlorine injection pressurized supply device for dental tap water, simple in construction and capable of adding a controlled amount of chlorine, is provided.