Patent ID: 8079382
Filing Date: 2011-12-20
Classification: F16K,Y10T

Abstract:
1. An unfreeze faucet structure including a watering control valve comprising a body, a control shaft, an upper ceramic member, and a lower ceramic member which are connected with the body; a valve seat locked to a lower end of the body; wherein the body includes two opposite outlets disposed on a peripheral side of a middle section thereof, the control shaft is inserted to the body and its upper end extends out of the body, the upper ceramic member is received in the body and located at a lower side of the control shaft to engage with the control shaft, and includes two symmetrical bores formed on two sides thereof individually, the lower ceramic member contacts with the upper ceramic member and includes two symmetrical guide apertures disposed on two sides thereof respectively, includes two retaining projections mounted therearound to retain the lower ceramic member in the body, characterized in that: the control shaft includes a watering cavity and a positioning groove mounted in a lower section thereof, the watering cavity includes a check element and a stopping unit installed therein, and the check element includes a disk-shaped cover arranged on a bottom end thereof, the cover includes a first stop loop fitted to a peripheral side thereof and a guiding column extending upward from a central portion of a top surface thereof to be inserted into the positioning groove, and between the cover and the watering cavity is defined with a spring to abut against the check element downward, the control shaft includes a second stop loop fitted on an outer periphery thereof below two holes of the control shaft to bias against an inner side of the body, the stopping unit includes a trench disposed around an inner wall of a peripheral washer to contact with the first stop loop of the check element, the stopping unit includes a third stop loop arranged around an outer rim thereof to engage with an inner wall of the watering cavity of the control shaft.