| 摘要 |
PROBLEM TO BE SOLVED: To provide a connecting structure of a fluid passage which can detect the forgetting of the assembling of a seal member while preventing the damage of the seal member.SOLUTION: A connecting structure of a fluid passage comprises: a seal member 2 which is interposed between mutually-connected two fluid passages 61 and 62, and suppresses the leakage of fluid; a seal member fitting recessed part 7 which is provided at least at one of connecting parts 63 of the two fluid passages 61 and 62; a leak passage 8 which is provided in a position adjacent to the recessed part 7, and makes the inside and the outside of the fluid passage 61 communicate with each other; and a blocking body 9 which blocks the leak passage 8 by being pressed by the seal member 2 which is fit into the recessed part 7. |
