LEVER TYPE SWITCHING VALVE

摘要

A lever type switching valve comprises a switching chamber (10) divided into three sections in the axial direction. The three sections are two water outlet chambers (11, 13) provided at two ends and a water inlet chamber (12) provided at the middle section. Each water outlet chamber (11, 13) has a sliding section (14, 15) at the outer end in the axial direction. Inner convex rings (19) are provided between both ends of the water inlet chamber (12) and the two water outlet chambers (11, 13). The switching chamber also comprises a spindle (20) which is axially slidable within the switching chamber (10) and is divided into three sections in the axial direction. The three sections are two pistons (21, 23) provided at the two ends and a flow section (22) provided at the middle section. The two pistons (21, 23) each has a large outer end and a small inner end. The axial lengths of the water outlet chambers (11, 13) are longer than the axial lengths of the pistons (21, 23), and the axial length of the flow section (22) is longer than the axial lengths of the water inlet chamber (12). The flow section passes through the inner convex rings (19) and is provided with a flow channel to the inner convex rings (19). The water inlet chamber (12) is communicated with a water inlet, and both water outlet chambers are communicated with a water outlet respectively. An end of the spindle (20) is movably connected with an end of the lever through a moving part. The lever type switching valve saves switching forces and has balanced switching forces, and the spindle (20) has a shorter stroke.