Oil pipe oil drain valve

The utility model discloses an oil pipe oil drain valve, which belongs to the field of oil drain valves, and comprises two oil pipe bodies, a pressure release valve mechanism is arranged between the two oil pipe bodies, the pressure release valve mechanism is arranged between the oil pipe bodies in a threaded connection mode, and when the oil pressure in the oil pipe bodies is stable, the pressure release valve mechanism can be conveniently installed between the oil pipe bodies. The oil liquid enters the valve shell, then enters the connecting pipe through the casing pipe on the bottom face of the fixing ring and is discharged out of the valve shell, so that the oil liquid can smoothly circulate in the pipeline of the oil pipe body, and when the oil liquid in the oil pipe body is too large, the oil liquid enters the groove and the connecting pipe installed in the groove through the casing pipe, and the oil liquid can be discharged out of the valve shell. When the oil pipe body is pressed, the pressure relief