Patent ID: 8985147
Filing Date: 2015-03-24
Classification: E03C,F16K,Y10T

Abstract:
1. A ceramic control valve of a faucet comprising a valve shell that orderly includes a water control unit, an upper ceramic piece, a lower ceramic piece and a valve base connected underneath, wherein a receiving space is in the valve shell and a through hole is on top of the valve shell, and the water control unit is disposed in the receiving space, an upper portion of the water control unit protruding out of the valve shell from the through hole; wherein at least one water outlet in the receiving space passes through the valve shell, and the water control unit has one tubular and hollow valve stick secured at a base to facilitate the rotation of the valve stick that drives the base to rotate; wherein a water connecting hole is formed at an inner edge of the upper ceramic piece, and a water communicating hole is formed at center portion thereof, and an expanding portion is disposed at one side of the water communicating hole, and through the formation of the expanding portion, the diameter of an upper portion of the water communicating hole is larger than lower portion thereof; wherein a bottom surface of the lower ceramic piece has one cold water channel and a hot water channel, and both sides of the cold water channel have a cold water through hole and both sides of the hot water channel have a hot water through hole to pass through the lower ceramic piece; and wherein the valve base has a cold water inlet channel and a hot water inlet channel, and the cold water inlet channel and hot water inlet channel are connected to a first diverting slot and a second diverting slot respectively to transport the cold and hot water to the other side, and the upper ceramic piece, lower ceramic piece and valve base are orderly stacked together and put into the receiving space of the valve shell, so that the lower ceramic piece is secured at the valve base, while the upper ceramic piece is connected to the base; and when the lower ceramic piece and the valve base are stacked with each other, the first diverting slot and the second diverting slot aligned with the cold water channel and hot water channel of the lower ceramic piece respectively.