| 摘要 |
PURPOSE:To reduce and prevent a scratch or excessive bitten flaw on the outer circumferential surface on the top end side of a tube as much as possible by integrally protruding a holding wall for the tube on the top end part side from the claw wall of a holding member. CONSTITUTION:A fitting body 1 has a stepped diameter extended chamber 2 continued to a flow hole in the shaft core and a diameter contracted taper surface 1' on the rear circumferential end side within the diameter extended chamber. A ring elastic seal member 3 to be closely fitted to the outer circumferential surface of a tube T to be connected into the diameter extended chamber 2, and the claw wall 4' part side of a collet holding member 4 engaged with the taper surface 1' in the back thereof are installed into the fitting body 1. The holding member 4 is bitten into the outer circumferential surface of the tube T by the claw wall 4' part by engagement, and a holding wall 4'' for holding the tube is integrally protruded on the top end part side from the claw wall. Thus, even a thin tube can be reused by the contact holding effect in the tube outer circumferential surface by the holding wall 4', and the cut in the bitten part can be prevented. |
