Patent ID: 9267612
Filing Date: 2016-02-23
CPC Classification: F16K

Claim Text:
1. An anti-pressure ceramic valve apparatus comprising: a valve casing formed of a plastic material, said valve casing defining a hollow cylinder, said valve casing having an upper opening, a lower opening, and a holding space between said upper opening and said lower opening; at least a pair of positioning slots each defining a crosswise through-hole in said valve casing adjacent said upper opening; a top base formed of a plastic material, said top base affixed on said upper opening of said valve casing, said top base having a flanged surface and a tubular portion extending upwardly from a center of said flanged surface, said top base having at least a pair of positioning snaps extending outwardly of a periphery of said flanged surface, the pair of positioning snaps respectively fixed in the pair of positioning slots, an anti-pressure gap being formed between at least one of the positioning snaps and at least one top wall of one of the positioning slots; a water-controlling component housed within said holding space of said valve casing, said water-controlling component having a driving base, a valve stem, a turning valve plate and a fixing valve plate, said driving base rotatably received within said tubular portion of said top base, said valve stem pivotally mounted on said driving base by a cross shaft, said valve stem having a receiving section at a top end thereof, said receiving section extending upwardly from said driving base, said turning valve plate positioned below said driving base, said valve stem having a bottom end cooperative with said turning valve plate so as to move said turning valve plate, said turning valve plate positioned on an upper side of said fixing valve plate; and a sinking ring surface formed on said flange surface of said top base, said sinking ring surface having a sinking distance relative to said upper opening of said valve casing.