DC socket is a kind of computer display special power supply to match the socket, it is composed of horizontal jack, longitudinal jack, insulation base, fork type contact shrapnel, directional keyway, two fork type contact shrapnel positioned in the center of the base, into a vertical and horizontal arrangement are not connected.

One end of the fork contact shrapnel is a wiring port, which is exposed on the top surface of the base cylinder for connecting the input power cable or soft cable. The other end of the fork contact shrapnel is composed of two elastic arms interconnected by the matrix, which is arranged in the insulating base jack in the direction of DC plug insertion to supply the computer monitor and make it work normally.