LOCKING MECHANISM OF CONNECTION-DISCONNECTION UNIT OF PRODUCT LINE Russian patent published in 2017 - IPC F16K11/02 F16K31/46 B67D9/02 

FIELD: oil and gas industry.

SUBSTANCE: drive member includes a rotary shaft with swinging rockers installed thereon which have hinged shafts at their ends, the upper pair of levers of the drive member is connected with a shackle of the upper rod, and the lower pair is correspondingly connected to the shackle of the spring-loaded lower rod inserted into the locking mechanism, inclined shoulders are formed on swinging rockers in area of levers attachment thereto, and on levers-in the area of their attachment to shackles of rods, at that the flange is equipped with radially located locking pins and spring-loaded limiters of pins movement.

EFFECT: reliable operation of connection-disconnection unit of product line, including in emergency operating conditions.

2 dwg