Short wave transmitter cavity node

The utility model belongs to the technical field of short-wave transmitters, and discloses a short-wave transmitter cavity node, which comprises a node body, a connecting hole is formed in the middle of the interior of the node body, a protective layer is connected to the side edge of the node body, an elastic sheet is fixed on the side wall of the protective layer, a connecting column is connected to the interior of the connecting hole, and the elastic sheet is fixed on the inner wall of the connecting column. One end of the connecting column is provided with an insulating supporting piece, the protective layer comprises a first protective layer and a second protective layer, the elastic piece comprises a first elastic piece and a second elastic piece, and the first elastic piece is connected with the first protective layer. By increasing the contact area and the contact mode of the node body, the copper pipe and the four walls, the purposes of current dispersion and firm contact are achieved, the operation