Liquid container, liquid container unit, liquid ejection system and liquid ejection apparatus

1. A liquid container comprising:

a liquid container portion configured to contain a liquid;

a liquid inlet portion connected with the liquid container portion and allowing the liquid to be poured into the liquid container portion; and

an air communication port configured to introduce air into the liquid container portion,

the liquid container portion including

a bottom wall,

a liquid inlet portion-forming wall that is located above the bottom wall and at which the liquid inlet portion is arranged,

a visual recognition wall that extends in a direction intersecting with the bottom wall and the liquid inlet portion-forming wall and through which the liquid in the liquid container portion is visible from outside,

an opposite wall opposite to the visual recognition wall, and

a partition wall having an end portion apart from the opposite wall, at least a part of the partition wall being located between an opening and the visual recognition wall, the opening being an intersecting part at which the liquid inlet portion intersects with the liquid inlet portion-forming wall,

the liquid inlet portion being arranged closer to the visual recognition wall than to the opposite wall, and

the air communication port being arranged closer to the opposite wall than to the visual recognition wall.

2. The liquid container according to claim 1 , wherein

the partition wall includes

a first partition wall that is located between the visual recognition wall and the opposite wall and extends in a direction from the liquid inlet portion-forming wall toward the bottom wall, and

a second partition wall that is located between the liquid inlet portion-forming wall and the bottom wall and extends in a direction from the visual recognition wall toward the opposite wall, and

a part of the second partition wall is located below the opening in a vertical direction.

3. The liquid container according to claim 2 , wherein

the second partition wall is inclined to be closer to the bottom wall as approaching from the visual recognition wall toward the opposite wall.

4. The liquid container according to claim 1 , wherein

the partition wall has a cylindrical structure that extends from the intersecting part toward the bottom wall.

5. The liquid container according to claim 1 , wherein

a lower limit mark that indicates a lower limit of a liquid amount in the liquid container portion is disposed on the visual recognition wall.

6. The liquid container according to claim 5 , wherein

only an area of a part of the visual recognition wall has liquid repellency, and the area includes the lower limit mark.

7. The liquid container according to claim 1 , wherein

an upper limit mark that indicates an upper limit of a liquid amount in the liquid container portion is disposed on the visual recognition wall.

8. The liquid container according to claim 7 , wherein

only an area of a part of the visual recognition wall has liquid repellency, and the area includes the upper limit mark.

9. The liquid container according to claim 1 , wherein

only an area of a part of the visual recognition wall has liquid repellency.

10. A printer comprising:

the liquid container according to claim 1 ; and

a liquid ejection head,

the liquid container contained in a case of the printer, and

the case having a window portion that faces the visual recognition wall of the liquid container portion.