摘要 |
An opening and closing structure for ink cartridge, the ink cartridge includes a cartridge body and a lid, engaged to form a container to house a replaceable ink bag. Each of the two corresponding sides of the lid where the lid and cartridge body engage is disposed with at least a protruding hook element. Each of the two corresponding long side walls of the cartridge body is disposed with at least a latch unit. The latch unit includes a trench and a resilient latch element. As such, the lid can be easily engaged to and disengaged from the cartridge body for replacing the ink bag. |