| 摘要 |
<p>An ink cartridge includes a housing (11) inside which is a chamber for containing ink, a sponge is built inside the chamber. An ink supply port (14) and an ink refilling port is provided on two opposite walls of the housing respectively, the ink supply port is used for discharging ink from the chamber, the ink refilling port is used for refilling ink into the chamber. The ink refilling port is connected to an ink refilling pipe (21) at the inner side of the chamber, and is provided with a joint portion (22) on an outside surface of the chamber. During refilling ink into the ink cartridge, ink from the ink refilling device can reach the ink supply port rapidly, and ink can not leak out under pressure due to the joint portion.</p> |
