| 摘要 |
PROBLEM TO BE SOLVED: To provide water discharge pipe fitting structure to a discharge port capable of avoiding loosening of a seal of a rotary part, and making a rotation operation light when an upstream end of a water discharge pipe having a swollen part is fitted to a discharge port of a faucet, etc.SOLUTION: Water discharge pipe fitting structure to a discharge port consists of: a flat packing 5 contacting a lower end surface A of a discharge port 1 and an outer peripheral surface B of a water discharge pipe; an O-ring holder 8 having a flange part 6 which is sandwiched between a lower surface C of the flat packing 5 and an upper surface E of an O-ring and a cylindrical part 7 suspended from an outer peripheral side of the flange part 6; the O-ring 9 which is provided at a state of being sandwiched among a lower surface F of the flange part 6, an inner peripheral surface G of the cylindrical part 7 of the O-ring holder 8, the outer peripheral surface B of the water discharge pipe, and an upper surface H of the swollen part 2; a nut holder 13 having an annular part 12 which is sandwiched between an inward flange 11 of a box nut lower end 10 and a lower end surface J of the cylindrical part 7; and a box nut 14. |
