Oval differential floating valve

The utility model provides an oval differential floating valve, relates to a valve, an oval differential floating valve, is equipped with an oval -shaped valve block, and the major axis of elliptical valve piece and minor axis both ends symmetry respectively are equipped with four valve leg, and four valve leg equally divide the branch for the four bibliographic categories to oval circumference, and the oval circumference mid point of each part is equipped with the support arm of downward sloping, and four valve leg lower extremes all are equipped with the valve foot, four valve leg highly equal, valve block long axis goes up the three rectangle guide hole of evenly distributed, and the valve block upper surface corresponds rectangle valve opening position is equipped with floats valve cavity, and the direction of floating the oval minor axis of valve cavity orientation is equipped with dispersed guide hole, the shape of valve block is oval, every support arm to establishing a downward sloping on the oval cir