LOCKING VALVE OF THE HEIGHTENED LEAKPROOFNESS AND VIBRATION RESISTANCE FOR VESSELS AND APPARATUSES WORKING UNDER AN INTERNAL PRESSURE OR AN EXTERNAL PRESSURE Russian patent published in 2006 - IPC F16J13/02 

FIELD: production of locking valves of the heightened leakproofness and vibration resistance for vessels and apparatuses working under an internal or an external pressure.

SUBSTANCE: the invention presents a locking valve, on the cover and the body of which there are flangings made as a parabolas or circumferences and directed to the opposite sides. It also has a X-shaped gasket made elastic with the lobes located on the flangings along the whole circumference of the gasket. The lobe located on the flanging of the body has attachment of a body, has a continuous locking groove, in which the edge of the body flanging enters. Inside the flangings of the cover and the body there are inserted metallic and elastic rings and the hinging clamps uniformly disposed along the circumference and having a pushing nose, a tail part with a roller and the clamp back made in the form of a slant plane, an external load-bearing ring with an internal cone and the cams fixed on the ring. The technical result is an increased reliability of the locking valve.

EFFECT: the invention ensures an increased reliability of the locking valve.

18 dwg