Plug type circuit sealing device

The invention discloses a plug type circuit sealing device, which comprises a mobile sealing body arranged on a drill collar matrix in a pluggable way. The mobile sealing body further comprises a sealing base and an arc-shaped sealing top cover, wherein the sealing base is provided with an accommodating chamber used for accommodating a circuit board, the arc-shaped sealing top cover is buckled on the sealing base, the top end of the arc-shaped sealing top cover forms an arc-shaped surface which is matched with the surface of the drill collar matrix; the surface of the sealing base, corresponding to the arc-shaped sealing top cover, is provided with a sealing groove, a sealing ring is arranged in the sealing groove; and the arc-shaped sealing top cover is also provided with a plug which is matched with the internal structure of the drill collar matrix, and the plug is electrically connected with the circuit board through a wire. The invention realizes the rapid plug connection, greatly facilitates the installa