Assembly type large-size air pipe

The utility model discloses an assembly type large-size air pipe which comprises a box body, a front embedded plate and a rear embedded plate, the box body is of a hollow cubic structure, the front embedded plate and the rear embedded plate are both of a rectangular frame structure, the inner side of the front embedded plate is fixedly connected with the outer side of one end of the box body, and the inner side of the rear embedded plate is fixedly connected with the outer side of the other end of the box body. The inner side of the rear embedded plate is fixedly connected with the outer side of the other end of the box body, U-shaped clamping grooves are formed in the two sides of the rear embedded plate, and the thickness of the front embedded plate is slightly smaller than the width of a groove opening of each U-shaped clamping groove. The assembly type large-size air pipe is simple in structure and convenient to disassemble and assemble, the operation space can be reduced while the connection stability is