A rainproof fireproof socket comprises an outer shell, an upper sealing layer, a lower layer sealing layer, a conversion layer, an O-shaped ring and a
tail accessory. The conversion layer is evenly provided with a plurality of separation springs and separation sleeves in the circumferential direction. A fixing rod is arranged in the outer shell. An upper base seat and a lower base seat are fixed though a nut and a
gasket. The front end is provided with a jack
assembly, a guide sleeve A, a jack, a sealing sleeve, the O-shaped ring, and the guide sleeve A and the upper base seat. The O-shaped ring is arranged in the groove of the sealing sleeve and is sealed with a locking sleeve. Contact pins A and B and
sealant are arranged in the upper base seat and the lower base seat and are fixed through the nut and the
gasket. The
tail part of the outer shell is provided with the
tail accessory. The invention realizes the sealing of the socket under 10 atmospheric pressures, meets the use requirements of preventing rain and fire and sealing and has the advantages of compact structure, reliable connection, good electric property and strong practicality.