Acousto-optic-electric linkage control device convenient to install and fix

The utility model discloses an acousto-optic-electric linkage control device convenient to install and fix. The device comprises a mounting frame, a wire inlet, a cement nail, a telescopic block and aconnecting shell, a wire inlet is formed in the mounting frame; a cement nail is arranged on one side of the inner wall of the mounting frame in a penetrating manner; a telescopic block is fixed on the inner wall of the mounting frame; a sealing plug is installed in the wire inlet, an edge groove is formed in one side of an opening of the installation frame, an inner sealing ring is installed onthe side face of the edge groove, an outer sealing ring is installed on one side of an opening of the connecting shell, the connecting shell is tightly connected with one side of the installation frame, and an outer shell is arranged on the side, away from the installation frame, of the connecting shell. The sound-light-electricity linkage control device convenient to install and fix is provided with the installation frame