Concealed safety socket

The utility model discloses a hidden safety socket, which comprises a socket body embedded in an embedding groove in a wall plate, the wall plate is provided with an extrusion end, two sides of the extrusion end are provided with limiting slide fasteners, a hydraulic column is arranged in the embedding groove, a lifting column of the hydraulic column is fixed with the socket body, and the liftingcolumn of the hydraulic column is fixed with the socket body. A hydraulic rod is arranged on the hydraulic column, one end of the hydraulic rod is fixed to the extrusion end through a connecting rod,and the other end of the hydraulic rod is fixed to the bottom face of the embedding groove through a spring. The socket is installed inside a wall body and is opened and closed in a hydraulic telescopic mode, meanwhile, the jacks of the socket are installed at the side ends of the socket, the closing plates are arranged on the jacks, the jacks are protected through the closing plates, water vaporand floating dust are preve