A nonfreezing waterworks for public water supply facilities

摘要

The present invention relates to a flood control system for a public water supply facility, and more particularly, to a water pipe buried in the underground of a public water supply facility used by the public such as a park or a school, so that when winter people do not use the water supply facility, Wherein the water supply port of the water supply port is formed on the upper side of the body and the water supply port of the water supply port is formed on the side of the upper part of the body, And an outlet formed on the side and an outlet on the lower side are formed to penetrate in an "a" -shaped shape, and an upper portion The balls formed with the balls are brought into close contact with each other by the bucking inserted into the inlet of the water supply port and the discharge port Installed, A lower portion of the body is formed with a " a "-shaped space for communicating with the ball drawer, a lower portion is screwed with the sealing cap, a drain is formed on the lower side of the cap, And a rotary shaft which is fitted in the rotary shaft insertion hole and fixed by a washer and a nut.