ATTACHMENT UNIT FOR DROP-DOWN SPRINKLER IRRIGATOR Russian patent published in 2021 - IPC A62C35/68 A62C37/14 B05B1/00 

FIELD: fire extinguishing.

SUBSTANCE: present invention relates to the field of fire extinguishing, namely to devices designed for spraying a fire-extinguishing agent, it can be used when it is necessary to hide irrigators that are in standby mode. The attachment unit of the drop-down sprinkler irrigator includes a hollow case, at one end made with the possibility of joining to the pipeline, and at the other end equipped with a support sleeve. Inside the case there is a piston made with the possibility of screwing the sprinkler irrigator into it and moving it along the inner walls of the case until it stops in the support sleeve. The inner diameter of the support sleeve is made larger than the diameter of the spray head of the irrigator, but less than the outer diameter of the piston. The unit is also equipped with at least one lock, made with the possibility of holding the piston together with the irrigator in the initial position.

EFFECT: creation of a reliable and simple attachment unit that would be suitable for sprinkler irrigators and would ensure their rapid and timely fall when activated in conditions of both low and high operating pressure.

4 cl, 5 dwg