QUICK-DETACHABLE NON-FLANGED CONNECTION OF CYLINDRICAL PARTS Russian patent published in 2017 - IPC F16B21/18 

FIELD: machine building.

SUBSTANCE: invention relates to cylindrical parts quick-release non-flanged connections and can be used for connection of electric centrifugal pump units (ECPU) modular sections, including small-dimensional ones. Connection includes male part with blind rectangular slots, uniformly distributed along circumference, female part with through rectangular slots, matching with male part slots, annular segments, installed in above mentioned parts matched slots flush with female part surface, annular segments attachment assembly and protector on female part. Outside of female part and annular segments common annular groove is grooved, accommodating spring ring, serving as attachment assembly. On annular segments inner cylindrical surface lead-in chamfer is formed, facing towards female part end. Used protector is shell, pressed by coupling nut.

EFFECT: invention simplifies and accelerates cylindrical shaped parts assembly, which is especially important for installation of ECPU modular sections, including with dimensions 2, 2A and 3, in field conditions.

1 cl, 2 dwg