COUPLING ARRANGEMENT, A CONNECTOR FOR A COUPLING ARRANGEMENT AND A DUCT COMPRISING A COUPLING ARRANGEMENT

摘要

The invention relates to a coupling arrangement (100) for coupling a first connector (10) and a second connector (60), the first connector (10) having an opening (12) for receiving at least a spigot (62) of the second connector (60) and providing at least one slot (30) arranged in the circumferential wall (20) of the first connector (10), wherein a detent spring (70) is provided having at least one leg (72), the at least one leg (72, 74, 76) of the detent spring (70) in a closed state of the detent spring (70) extending in an inner section (14) of the first connector (10) and clamping the second connector (60) when the second connector (60) being arranged in its end position in the first connector (10), wherein the slot (30, 32) is configured as a locking groove for the at least one leg (72, 74, 76), the slot (30) having a central curved segment (38), so that a concave side (50) of the curved segment (38) is pointing axially in the same direction as the opening (12) of the first connector (10).;The invention relates also to a connector (10) for such a coupling arrangement.