| 摘要 |
Rapid engagement/release coupling, comprising: a female connector having a hole with an insertion end, a cylindrical sealing portion and an annular groove located between the insertion end and the cylindrical sealing portion, the annular groove having a first stop surface, —a male connector carrying a sealing ring configured to cooperate with said cylindrical sealing portion of the female connector and having a recessed annular portion having a second stop surface, —a retaining ring having a collar and a tubular portion equipped with a plurality of longitudinal splits which divide the tubular portion into a plurality of elastically deformable sectors, said sectors having respective teeth configured to engage the annular groove of the female connector, wherein said teeth have respective outer conical surfaces and respective inner conical surfaces, said inner and outer conical surfaces having different inclination angles with respect to a longitudinal axis, wherein the inclination angle of said outer conical surfaces is greater than the inclination angle of said inner conical surfaces. |
