Sofa frame

The utility model discloses a sofa frame which comprises two supporting pieces which are symmetrically arranged on the left side and the right side in a spaced mode, the two supporting pieces are detachably connected through a connecting pipe, the connecting pipe is connected with the supporting pieces through screws, and an anti-rotation piece is arranged on the connecting pipe. The anti-rotation piece is configured to be matched with the supporting piece and prevent the connecting pipe from rotating relative to the supporting piece. The two supporting pieces of the sofa frame can be detachably connected through the connecting pipes, and the disassembled sofa frame can be rearranged, so that the space utilization rate of packaging and transportation is improved, and the cost is reduced; when the connecting pipe is installed, the anti-rotation piece can prevent the connecting pipe and the supporting piece from rotating relative to each other when the screw is installed, so that the installation is more conven