Bus buckle box

The invention belongs to the technical field of switch equipment, and particularly relates to a bus buckle box. The bus buckle box comprises a first box body and a second box body, the first box body and the second box body are buckled to form a bus bar installation channel, the first box body and the second box body are provided with connection edges which are attached after being buckled, and when the bus buckle box is used, the connection edge of the side, facing the external interference piece, of the bus bar installation channel is provided with an extension edge. The extending edges of the first box body and the second box body are wound and fixed in the same direction. After the two connecting edges are wound and fixed in the same direction at the tail ends of the overlapped positions, the positions where air gaps exist at the ends of the connecting edges originally are not aligned with a metal cabinet body or other conductive equipment or equipment shells, but are located in the winding structure, and