Single-material plastic reduction hose

The utility model discloses a single-material plastic reduction hose which comprises a plastic reduction cover and a hose body which are made of the same material. A cover plate groove is formed in the plastic reducing cover, and a liquid outlet hole is formed in the cover plate groove; a sealing cover plate is rotationally mounted in the cover plate groove and is used for blocking or opening the liquid outlet hole; the mounting side of the plastic reducing cover is connected with the pipe body; the liquid outlet hole is communicated with the interior of the pipe body; therefore, during application, the plastic reducing cover and the pipe body which are made of the same material are connected in a simple matched mode, and cost is reduced in raw material use. Meanwhile, a cover plate groove is formed in the plastic reduction cover, and a sealing cover plate for controlling the liquid outlet hole to be opened and closed is hidden between the two end faces of the plastic reduction cover, so that the thickness of