Car radiator water drain valve with drop prevention structure

The invention discloses a car radiator water drain valve with a drop prevention structure. The car radiator water drain valve comprises a radiator water tank and a water drain valve body connected onto the radiator water tank in a threaded manner, the space between the radiator water tank and the water drain valve body is sealed by a sealing ring, and the inverted hook drop prevention structure extending into the radiator water tank is arranged at the tail end of the water drain valve body. Compared with an existing car radiator water drain valve, the car radiator water drain valve has a dropprevention function and has the advantage of easiness in assembly and disassembly. 本发明公开了种具有防脱落结构的车用散热器放水阀，包括散热器水室及螺接于散热器水室上的放水阀，该散热器水室与放水阀之间通过密封圈密封，放水阀的末端设有延伸至散热器水室内的倒钩式防脱落结构。本发明与现有的车用散热器放水阀相比具有防脱落功能，并且具有易于安装和拆卸的优点。