| 摘要 |
<p>PURPOSE: To improve connecting performance by providing a connecting piece of a pipe sleeve and a moving sleeve, disposing a circumferential rib in an insert region of the connecting piece, causing the fastening connection by the moving sleeve, and forming the inner end face of a flange and the free end of the moving sleeve. CONSTITUTION: A connecting piece of a pipe sleeve and a moving sleeve 4 are provided, and a flange 110 of the connecting piece is provided with ribs 16, 12, 13, 14, 15. The rib 16 is made higher than the other ribs, and the ribs 12, 13, 14, 15 are formed as a stopper for the end face of a tube 2. A receiving chamber 3 for the pipe 2 is formed by the inner end face 162 of the rib 16, an outer peripheral surface 113 of an insert region 11, an inner end face 111 of a flange 110, and a free end 41 of the moving sleeve 4. As a result, in the case of a large error, an annular material accumulated matter is concealed to improve the appearance to receive the material accumulated matter.</p> |
