Ability self -closing and sluice of opening of metalling run out of preventing

The utility model discloses an ability self -closing and sluice of opening of metalling run out of preventing, include: the floodgate body, the upper end of the floodgate body is provided with an apron, one advances the water piping connection mouth, advances one side intercommunication of water piping connection mouth and the floodgate body, a water piping connection mouth, the lower extreme that goes out water piping connection mouth and the floodgate body communicates, floodgate round pin, the floodgate round pin sets up the inside at the floodgate body, the well lower part at the floodgate round pin is established to the silica gel that resets, the silica gel cover that resets. The utility model discloses avoided preventing the device of metalling run out in each tap end installation, can prevent simultaneously that all tap from metalling run out, used portably. Be convenient for install and overhaul, can change the internals respectively when a certain internals damages, use cost is lower. The utility mo