Waterproof shore power socket plug

The invention discloses a waterproof shore power socket plug, which comprises a socket body and a plug, wherein the socket body comprises a main chamber in the middle and a function arm; a limiting groove, a pressing rod and a guide pressing block at the top of the limiting groove are arranged in the cavity of the function arm; an inclined sliding block, a transverse spring, a jacking spring, a radial limiting column and a limiting nut are arranged in the limiting groove; a communicating hole leading to the main chamber is formed in the near end of the limiting groove; the head of the inclinedsliding block abuts against the tail of the radial limiting column; the front of the radial limiting column movably penetrates through the communicating hole; a clamping groove corresponding to the head of the radial limiting column is formed in the plug; and the lower portion of the pressing rod extends downwards into the limiting groove from the guide hole of the guide pressing block and abutsagainst the inclined slidi