Fireproof and waterproof bus duct

The fireproof and waterproof bus duct comprises a bus duct body, a first connecting shell is installed on the rear side of the outer wall of the bus duct body, inserting plates are installed at the upper end and the lower end of the rear side of the first connecting shell, and a second connecting shell is installed on the front side of the outer wall of the bus duct body. The upper end and the lower end of the second connecting shell are each provided with a connecting mechanism. According to the fireproof and waterproof bus duct, the second connecting shell and the first connecting shell can be fixed by inserting the inserting plates into the inner cavities of the adjacent grooves and clamping the clamping blocks into the inner cavities of the through holes, the connecting position of the bus duct main body can be protected through the second connecting shell and the first connecting shell, the fireproof and waterproof performance of the connecting position is improved, and the connecting rod is moved upward