LOCK FOR CONNECTION OF MATING RODS FOR CLEANING CHIMNEYS AND VENTILATION Russian patent published in 2025 - IPC F16L25/10 

FIELD: mechanical engineering.

SUBSTANCE: invention relates to structures or parts of pipe joints, in particular to non-coupling joints of two components, when one is inserted into the other, which are intended for removal of solid residues from flues and ventilation. Lock for connection of mating rods for cleaning chimneys and ventilation contains fastening part and mating part, thickness of fastening part and mating part is from 3 to 6 mm. On the fastening part there is a tenon with length of 12 to 19 mm, width of 3 to 5 mm, height of 1.5 to 3 mm, a button connected to a spring is mounted on the fastening part, and on the mating part there is a hole made with possibility of fixing the button of the fastening part connected to the spring. Also, on the mating part there is a groove made with possibility of fixing the tenon of the fastening part in it, the hole is made with possibility to repeat the shape of the button.

EFFECT: higher reliability of connection.

7 cl, 5 dwg