The present design relates to a backflow prevention device of the ball tap for toilet.; The subject innovation is mounted on the inside of the lower body and the lower body where the inlet and the boss formed at one side are obtained hole is formed inner side of the first projection and the inlet protruding and protrusion the outer surface and the inner circumferential surface, respectively, at least one or more guide the second guide and grooves ejection member on the disposed cylindrical, it mounted on the lower side of the ejection member in the toilet seat to see tab comprising a disk seal the hole that the water obtained is formed, a large inner diameter than the inner diameter of the hole, the hole bottom of the disc packing the inflow hole is formed with; There are available water inlet, and the inlet hole is provided with a reverse flow preventing member for preventing reverse flow.; Thus, is fitted to the disk seal of the jet member by improving the structure of a projection in which the water is obtained to give filter when contained in the water flowing into foreign matter and through the meanwhile, prevent it which water is reverse flow, and yet the disc packing and the second through a gap formed between the projection and easily remove the foreign substances accumulated in the process in which the water is flowing.
展开▼
