QUICK-DISCONNECT UNIT Russian patent published in 2013 - IPC F16L37/00 

FIELD: machine building.

SUBSTANCE: in quick-disconnect unit including onboard and ground shoes connected to each other with a lock consisting of a gripping mechanism in the form of a collet with a movable locking sleeve on the ground shoe and limit stop on the onboard shoe, the gripping mechanism is equipped with an element with potential energy in the form of compression spring installed on one end in the seat of the ground shoe, and the other end of which is borne against the end face of limit stop of the onboard shoe.

EFFECT: simple design, small weight and overall dimensions; connection of additional devices related to use of the pneumatic drive is not required; high actuation reliability of the lock at separation of the onboard and ground shoes.

2 cl, 2 dwg