| 摘要 |
PROBLEM TO BE SOLVED: To provide a pipe coupling installable in an external fluid apparatus in a single operation, capable of miniaturizing the whole product and reducing a manufacturing cost. SOLUTION: In the pipe coupling 10 having a coupling body 12 having a lock claw 24 and an installing part 60 for installing the coupling body 12 in a connecting hole 14a of the external fluid apparatus 14, the installing part 60 has a tubular base body 16 capable of entering the connecting hole 14a, a collet ring movably arranged in the axial direction on the base body and having a locking projection part 40 capable of biting into an inner wall of the connecting hole 14a, a pressing ring 42 for push-expanding a tongue piece part 36 of the collet ring outward and a seal ring 50 arranged on the base body 16. |
