Insulation cushion block

The utility model discloses an insulation cushion block. The cushion block comprises a cushion block body. The cushion block body is in a cylindrical structure. The cushion block body comprises a pedestal and a circle bench. A diameter of the pedestal is less than a diameter of the circle bench. The cushion block body is provided with two through holes along an axial direction. Each through hole is formed by a first through hole and a second through hole. The first through hole is located in the circle bench. The second through hole is located in the pedestal. A diameter of the first through hole is greater than a diameter of the second through hole. The first through hole is provided with a channel which is connected to a side wall of the circle bench. A surface of the insulation cushion block is provided with a hole. A side wall of the hole, which is towards the insulation cushion block, is provided with a connection channel. The connection channel possesses a good heat dissipation effect and has no affect on a coil. The size of the insulation cushion block is small, the structure design is simple and the good heat dissipation effect is good.