| 摘要 |
<p>The invention relates to a connector fitting for fluid transport tubes, comprising a coupling (2) made to connect up to a ring nut (4) and provided at the front with an opening (202) for inserting a tube (1 ), said ring nut (4) having positioned inside it at least one first ring (5) provided internally with teeth (505) to grip the external surface of said tube (1 ), characterised by the fact that said ring nut (4) comprises a first internally threaded part (104) and a second part (304) provided with means (504) for tightening said first ring (5), around said tube (1 ), there being a second ring (6) provided with a first annular component (106) to push at least one seal (3) into the cylindrical housing (302) provided which starts from the opening (202) of said coupling (2) inside said ring nut (4) and a second ring (6) fitted around tube (1 ) and a second annular component (206, 706) in contact with the border of said opening (202) of said coupling (2) ; the first annular component (106) and the second annular component-(2ßgXare- provided with devices (406, 506, 606, 706) so as to allow a certain longitudinal movement of one with respect to the other.</p> |
