Hose joint

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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Details

F16L 33/22 (2006.01)

Patent

CA 2673911

Twisting of hose incident to clamping is perfectly prevented. A hose (H) is inserted along the outer peripheral surface (1b) of a nipple (1), a loose fitting portion (4) is rotatably fitted along the outer peripheral surface (1b) of the nipple (1), the loose fitting portion (4) and a sleeve (2) are separately fixed so as not to be movable in the axial direction, and a clamping member (3) is threaded on the outer peripheral surface of the loose fitting portion (4) so as to be movable in the axial direction toward the sleeve (2). Thus, when the clamping member (3) is drawn in the fastening direction by rotating only the loose fitting portion (4) without rotating the clamping member (3), the diameter of the sleeve (2) is reduced with no rotational force acting on it. This causes the inner peripheral surface (H1) of the hose (H) to be in contact with the outer peripheral surface (1b) of the nipple (1) with the hose (H) free from any external force due to rotational friction.

L'invention concerne un raccord de tuyau souple. La torsion d'un tuyau souple liée au serrage est parfaitement empêchée. Un tuyau souple (H) est introduit le long de la surface périphérique externe (1b) d'un manchon fileté (1), une partie à ajustement libre (4) est adaptée à rotation le long de la surface périphérique externe (1b) du manchon fileté (1), la partie à ajustement libre (4) et un manchon (2) sont fixés séparément de façon à ne pas être mobiles dans la direction axiale, et un élément de serrage (3) est vissé sur la surface périphérique externe de la partie à ajustement libre (4) de façon à être mobile dans la direction axiale en direction du manchon (2). Ainsi, lorsque l'élément de serrage (3) est tiré dans la direction de fixation par rotation seulement de la partie à ajustement libre (4) sans rotation de l'élément de serrage (3), le diamètre du manchon (2) est réduit sans aucune force de rotation agissant sur celui-ci. Ceci amène la surface périphérique interne (H1) du tuyau souple (H) à être en contact avec la surface périphérique externe (1b) du manchon fileté (1) avec le tuyau souple (H) libre de toute force externe en raison d'un frottement de rotation.

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