Water supply valve structure for coal yard

The utility model discloses a coal yard water supply valve structure which comprises a water supply valve body, a three-way pipe can be used for installing a spraying device and a water hose at the same time, and the spraying device and the water hose are prevented from being frequently disassembled and replaced when the coal yard is washed. The connecting assembly is used for hermetically connecting the water hose with the spraying device and the upper port and the right port of the three-way pipe; the water supply conversion structure is used for conducting or blocking the three-way pipe, and the phenomenon that water leaks from the other one of the spraying device and the water hose in the using process is avoided; the water supply valve replacement structure is used for quickly replacing after the water supply valve body is damaged; the nut rotates to be meshed with the clamping sleeve and drives the T-shaped block to slide downwards at the same time, so that the T-shaped block slides into the annular gro