Make up multiple sealed cutting ferrule

The utility model discloses a make up multiple sealed cutting ferrule, including cutting ferrule main part, inner tube accommodation hole, outer tube holding tank, internal thread face, external screw thread face, first seal groove, first sealing washer, second seal groove, second sealing washer, interior step ring, third sealing washer, third seal groove, fourth sealing washer. The utility model discloses can make clamping sleeve connector directly possess multiple sealed effect, need not to install additional in addition sealing device, integrative installation, matching nature is strong, is difficult for troubles such as make a fault reveals, and operating condition is good, and is rational in infrastructure, simple to operate. And is good for popularization and application. 本实用新型公开了种组合多重密封卡套，包括卡套主体、内管容纳孔、外管容纳槽、内螺纹面、外螺纹面、第密封槽、第密封圈、第二密封槽、第二密封圈、内台阶环、第三密封圈、第三密封槽、第四密封圈。本实用新型能够使卡套管接头直接具备多重密封的效果，无需另外加装密封装置，体安装，匹配性强，不易出现失误泄露等故障，工作状态良好，结构合理，安装方便。利于推广应用。