Endoscope cleaning tube according to the present invention, divided and the housing portion having a fluid inlet and a fluid outlet, and a hook that connects the housing portion to the cap, the housing portion to the fluid inlet side and fluid outlet side a movable portion that is movably arranged between a first position and a second position in the fluid outlet side of which in the housing part as well as is disposed at a position facing to the fluid inlet of the fluid have the pressing surface for receiving the pressure, the pressurized portions that rotates by the fluid pressure to the pressure face, connects the pressurized portions and the movable portion, when the pressure portion is subjected to fluid pressure to include a link section for moving to the first position of the movable portion from the second position due to the rotation of the ground pressure section.本発明による内視鏡用洗浄チューブは、流体導入口及び流体導出口を有するハウジング部と、ハウジング部を口金に接続する鉤部と、ハウジング部内を流体導入口側と流体導出口側とに分断すると共にハウジング部内の第1の位置とこれよりも流体導出口側にある第2の位置との間で移動可能に配置された可動部と、流体導入口に対面する位置に配置されて流体の圧力を受け止める被加圧面を有し、被加圧面への流体圧によって回動する被加圧部と、被加圧部と可動部とを接続し、被加圧部が流体圧を受けた場合に被加圧部の回動に伴い可動部を第2の位置から第1の位置に移動させるリンク部とを含む。
