Concealed socket

The utility model relates to the technical field of concealed sockets, and discloses a concealed socket, which comprises a socket assembly. The socket assembly comprises a concealed socket body, the front surface of which is provided with a cover body; the jack is formed in the front surface of the cover body; the power plug is arranged in front of the cover body; a fixing assembly is arranged on the front surface of the cover body; the fixing assembly comprises a sliding rail; the power plug is inserted into the jacks, the height of the plate body is adjusted to be proper, then the plate body is fixed through the fastening bolts, then the rotary knob is rotated, the two limiting plates slide towards the opposite faces till the two limiting plates are tightly attached to the power plug, the power plug is clamped and fixed, and therefore the anti-falling effect is achieved, the power plug is conveniently clamped and fixed, and meanwhile the power plug is prevented from falling off. By adjusting the width and t