Patent ID: 6557587
Filing Date: 2003-05-06
Classification: E03C,F16K,Y10T

Abstract:
A change-over valve comprising:a main body provided in an interior with a slide slot, a water discharging channel, and a water discharging cell in communication with said slide slot via said water discharging channel whereby said slide slot is provided with a connection duct in communication with the water inlet of a water filter; a connection portion fastened at one end with said main body such that said connection portion is fastened at other end thereof with the spout of a water faucet, end that a water inlet of said connection portion is in communication with said slide slot of said main body; and a switch rod slidably disposed in said slide slot of said main body and provided in a midsegment with a small diametrical portion whereby said small diametrical portion forms along with said slide slot of said main body a water slot capable of displacing along with a displacement of said switch rod, thereby enabling said water inlet of said connection portion to be in communication with said water discharging channel of said main body, or with said connection duct of said main body; wherein said switch rod is provided with four annular grooves for locating four washers, with two of said four washers being located in proximity of two opposite ends of said small diametrical portion of said switch rod for separating the flow paths of said water discharging channel and said connection duct of said main body, with other two of said four washers being located in proximity of the longitudinal ends of said switch rod for making said switch rod and said slide slot water proof; wherein said water discharging cell of said main body is provided with a water guiding member whereby said water guiding member is provided at a center with a water hole.