GATE WITH SECURE LOCK MECHANISM Russian patent published in 2017 - IPC F16K3/02 F16K31/52 

FIELD: machine building.

SUBSTANCE: lock valve with a secure lock mechanism includes a valve casing with a throughway opening, the drive mechanism of the valve casing, a sliding saddle for sliding in the valve casing and an operating valve component mounted on a sliding saddle, for parallel or vertical movement relative to the throughway opening, perpendicularly disposed groove for moving, therewith the groove for moving defines a non-linear stroke, rocker arm, which on one side is attached to the drive mechanism, and on the other - to the sliding seat to allow the drive mechanism to provide movement of the rocker arm between the first and the second position for a corresponding movement of the slide saddle, therewith the rocker arm is moved relative to the sliding saddle route preventing the sliding saddle rolling, whereby the operating valve component reliably locks the throughway opening.

EFFECT: improved reliability.

18 cl, 14 dwg