| 摘要 |
The prevent invention provides a ground fireplug having a function of draining any remaining inner water to the outside. According to an embodiment of the present invention, the ground fireplug having a function of draining any remaining inner water to an outside and connected to a vertical drainage pipe embedded underground to protrude out of the ground comprises: a body; an opening and closing rod; a discharge opening cap; and an air valve unit. The body is installed on and exposed out of the ground to supply water and has a discharge opening that forms the outer circumferential surface thereof and a rotatable spindle installed on the upper surface thereof. The opening and closing rods are arranged on the interior of the body and are connectively installed on the lower end of the spindle to be interlocked with the rotation of the spindle to open and close a passage of a horizontal drainage pipe connected with the vertical drainage pipe. The discharge opening cap opens and closes the discharge opening. The air valve unit is installed on the discharge opening cap and is automatically opened and closed by the inner pressure of the body to introduce air into the body. |
