Oil gas condensation recovery unit with self-defrosting function

The utility model discloses an oil gas condensation recovery unit with a self-defrosting function. The oil gas condensation recovery unit comprises an oil inlet, and a connecting mechanism is installed above the oil inlet. The connecting mechanism comprises a rotating sleeve, a sealing bearing, an external pipe and a rubber ring; the rotating sleeve is rotationally connected with an external pipe through a sealing bearing, and a rubber ring is attached to the end of the inner side of the external pipe. According to the oil gas condensation recovery unit with the self-defrosting function, through cooperation between the oil inlet and the connecting mechanism, the rotating sleeve is rotated, so that the rotating sleeve rotates on the external pipe through the sealing bearing, the rotating sleeve is in threaded connection with the oil inlet, the external pipe is in butt joint with the oil inlet, and the butt joint position of the external pipe and the oil inlet is sealed through a rubber ring; the oil inlet is c