Frost crack prevention pressure release valve and application structure thereof

The utility model discloses an anti-frost-crack pressure release valve and an application structure thereof, the anti-frost-crack pressure release valve is installed in a water passing device, the anti-frost-crack pressure release valve comprises a pressure release valve body and a pressure release valve core, one side of the pressure release valve body is provided with a pressure release valve port, the pressure release valve core is movably accommodated in the pressure release valve body, and the pressure release valve port is connected with the pressure release valve core. The pressure relief valve element and the pressure relief valve body are movably matched in a sealing mode, a pressure relief cavity separated from the pressure relief valve port is formed between the pressure relief valve element and the pressure relief valve body, and paraffin is contained in the pressure relief cavity and is in a liquid state in a normal state. The problem of frost crack of the water passing device can be effectively