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1. An ink cartridge, comprising:a cartridge body defining an air vent at an upper section thereof; andan ink discharge port detachably assembled to a lower section of the cartridge body.
2. The ink cartridge according to claim 1, wherein the cartridge body comprises a base and an ink accommodating body removably and securely coupled to the base, the ink accommodating body defines an opening corresponding to the ink discharge port.
3. The ink cartridge according to claim 2, wherein the ink discharge port is provided with a filter tip and a sealing member having a cone-shaped hole at upper and lower sides thereof, respectively, the filter tip is formed with a filter screen and/or a ceiba fibre.
4. The ink cartridge according to claim 3, wherein the filter tip is further formed with an elastic gasket.
5. The ink cartridge according to claim 4, wherein a protecting shield having elastic sealing gasket is disposed on the opening.
6. The ink cartridge according to claim 5, wherein the ink accommodating body has an empty chamber and a storage chamber in communication with the empty chamber, the empty chamber and the storage chamber each define an air vent at top thereof, and the opening is located at a lower section of the storage chamber filled with sponge or fibre cotton.
7. The ink cartridge according to claim 6, wherein the ink accommodating body is coupled to the base in a lock joint manner, the protecting shield is coupled to the opening in a lock joint manner.
8. The ink cartridge according to claim 6, wherein a sealing cover made from elastic material is provided on the ink discharge port.
9. The ink cartridge according to claim 2, wherein the base is formed with a chip.
10. The ink cartridge according to claim 6, wherein the cartridge body is formed with a handle, the ink accommodating body is made from transparent material and graduation line is set on the side wall enclosing the empty chamber.
11. The ink cartridge according to claim 9, wherein the ink cartridge is a unicolor split-type ink cartridge or a multicolor assembly-type ink cartridge. |
