Energy-saving insulating tubular bus duct used in switch cabinet

The utility model discloses an energy-saving insulating tubular bus duct used in a switch cabinet, which belongs to the technical field of bus ducts and comprises an inner shell, a conductor assemblyand an external assembly. According to the energy-saving insulating tubular bus duct used in the switch cabinet, the sealing piece is arranged at the installation part of the opening at one side of the inner shell, so that the inner shell is simple and convenient to install, the sealing performance is good, and the waterproof performance is very good. Secondly, the outer shell is arranged outsidethe inner shell, so that the inner shell is protected, and the situation that the inner shell collides or falls off to deform in the transportation or installation process to influence installation and use is avoided; besides, the cooling fins used for heat dissipation are arranged between the inner shell and the outer shell, and the cooling fins are further provided with the gaps used for improving the heat dissipation ef