Fixed device for central controller base and radiating base

The utility model relates to a connecting device which is mainly used for a fixed device of a radiating base connected with a central controller base. A gripping base which is arranged above the radiating base comprises a flat plate with a central through hole, long buckled feet, and short buckled feet, wherein, the long buckled feet are perpendicular to the short buckled feet, two opposite sides of the gripping base are respectively provided with a long buckled foot and a short buckled foot. The lower ends of the long and the short buckled feet are respectively provided with a hook part. Four corners of the radiating base are respectively provided with a counter hole, and a spring is arranged in each counter hole, so that the central controller base has stable heat conduction efficiency.