Sealing waterproof structure and heat dissipation equipment

The utility model discloses a sealing waterproof structure and a heat radiation device, the sealing waterproof structure is used for sealing a cover plate and a frame body, and the sealing waterproof structure comprises a first sealing member, a guide plate and a fastener; one end of the flow guide plate is connected with the top end of the frame body, and the first sealing piece is arranged between the cover plate and the flow guide plate in a sealed mode, so that a first waterproof cavity is defined by the side wall, facing outdoors, of the cover plate, the side wall, facing the cover plate, of the frame body, the flow guide plate and the first sealing piece; the fastener is located in the first waterproof cavity, and the two ends of the fastener are detachably connected with the cover plate and the frame body respectively. According to the utility model, on one hand, the fastener is arranged in the first waterproof cavity, so that water is prevented from entering from the joint of the cover plate and the f