| 摘要 |
PURPOSE:To facilitate the interchange of tubes by providing a leaf spring between a center hole of a pump head and a motor shaft, while placing both ends of the tube in communication with an external tube through magnet connectors. CONSTITUTION:A leaf spring 7 is engageably connected to a groove provided in a motor shaft 9 and prevented from protrusion by a spring support plate 11. Both ends of a tube 1 can be coupled in one touch manner to an external tube through a connector 14 having a magnetic body 13 to embedded and a connector 15 having a magnet 16 embedded. When the tube 1 is interchanged, a pump head 8 is pulled out together with the tube 1 against the spring force of the leaf spring 7. Then, the tube 1 is exposed so that it can be easily interchanged. |
