Novel oil return opening structure of automobile fuel tank

The utility model relates to the technical field of fuel tanks, and discloses a novel automobile fuel tank oil return opening structure which comprises a fuel tank, a fuel pump installed in the fuel tank, a flange plate installed at the top end of the fuel pump, an oil outlet pipe installed at the top end of the flange plate in a penetrating mode, and limiting rods fixedly installed in the fuel tank in an array mode. A connecting rod is fixedly installed at the side end of the floating ball, a sleeve is fixedly installed at the side end of the connecting rod, an oil return pipe is fixedly installed on the inner wall of the sleeve, a filter screen is fixedly installed in the fuel pump, and an umbrella-shaped valve is fixedly installed at the bottom end of the fuel pump. According to the novel automobile fuel tank oil return opening structure, the umbrella-shaped valve is arranged, the reliability and the oil tightness of fuel entering a fuel pump are improved, the floating ball, the limiting rod, the sleeve an