SAFETY CONNECTION Russian patent published in 2022 - IPC F16L37/36 F17C5/06 B67D7/32 F16K17/20 F16L55/10 

FIELD: machine building.

SUBSTANCE: invention relates to safety connections. Safety connection (100) according to the invention includes: insert (10) of cylindrical shape, in which channel (1A) is made; head (20), in which channel (21A) is made, extending to channel (1A) in insert (10); and a shut-off valve installed in channel (21A) of head (20), which opens when insert (10) is inserted into head (20), and closes when insert (10) is disconnected from the head, wherein central axes of channels (1A, 21A) of insert (10) and head (20) do not form a straight line. Casing (50) for protecting valve stem (2) surrounds the area from a section near one end of the insert to the other section near the other end of the insert in the direction of the central axis of the in-insertion channel and surrounds the valve stem, note here that said casing is secured to said insert to surround part of head and is coupled with said insert so that it is not separated from said insert after said insert and head are separated from each other.

EFFECT: prevention of failure of component of weighing machine side or element of vehicle side in case, when element of weighing machine side and element of vehicle side are separated from each other in emergency situation, when, for example, vehicle moves during filling with gaseous hydrogen.

3 cl, 12 dwg