Splicing type bus duct convenient to install

The utility model relates to the technical field of bus ducts, and discloses a spliced bus duct convenient to install, which comprises a bus duct body, a splicing device is arranged on the side surface of the bus duct body, and a sealing waterproof device is arranged on the front surface of the bus duct body. The splicing device comprises a connecting bottom plate, a butt-joint bottom frame, a butt-joint inserting groove, a connecting ring, a connecting rotating rod, a connecting sleeve, a connecting plate, a butt-joint inserting block, a butt-joint plate, a butt-joint rectangular groove, a magnetic attraction block and a driving stepping motor. According to the spliced bus duct convenient to install, a splicing device is arranged, a magnetic attraction block is in contact with a magnet block on the left side in a butt joint bottom frame, the magnetic attraction block and the magnet block can be attracted together after being in contact, preliminary magnetic attraction connection is carried out, then a drivin