Ink box

The utility model discloses an ink box, which is vertically mounted in a mounting part of a printer along a mounting direction and comprises a shell and a light shielding part, the shell is provided with a top face, and a plurality of through grooves are formed in the top face at intervals in the width direction perpendicular to the installation direction and the vertical direction. A protected area and a protection area are arranged on the top surface, and at least part of the through groove is located in the protected area; a part of the light shielding part can move between a first position above the protected area and a second position below the protected area; when the ink box is in a vertical posture, the position of the protected area in the vertical direction is lower than the position of the protection area. The protected area is arranged on the top face of the ink box, the position of the protected area with the weak through groove structure is arranged to be lower than the position of the protected