Liquid cartridge having valve for opening and closing air flow path

摘要

A liquid cartridge includes: a cartridge body defining a liquid chamber therein; a liquid supply portion provided at the cartridge body; an air flow path provided in the cartridge body; and a valve configured to open and close the air flow path. The air flow path is in communication with the liquid chamber through a communication hole and in communication with ambient air to permit communication between the liquid chamber and ambient air through the air flow path. The valve includes: a slidable valve main body disposed in an internal space defined by an inner peripheral wall of the air flow path; and a sealing member provided on the valve main body, the sealing member including a first elastic portion configured to seal the communication hole and a second elastic portion configured to be in contact with and in sliding contact with the inner peripheral wall.

主权项

1. A liquid cartridge comprising:
a cartridge body defining a liquid chamber therein for storing liquid; a liquid supply portion provided at the cartridge body and configured to supply the liquid stored in the liquid chamber to outside; an air flow path provided in the cartridge body, the air flow path configured to be in communication with the liquid chamber through a communication hole and in communication with ambient air to permit the liquid chamber to communicate with ambient air through the air flow path, the air flow path having an inner peripheral wall defining an internal space therein; and a valve configured to open and close the air flow path and comprising:
a valve main body disposed in the internal space and slidable in a sliding direction; anda sealing member provided on the valve main body, the sealing member including a first elastic portion configured to seal the communication hole and a second elastic portion configured to be in sliding contact with the inner peripheral wall.