| 摘要 |
PROBLEM TO BE SOLVED: To inhibit the occurence of a situation where a cap is opened by improper operation of a user in a tank structure where an opening provided at a tank for storing a liquid is covered by the cap from the outer side of the opening to seal the tank.SOLUTION: In a tank structure 1, an opening 11 provided at a tank 3 for storing a liquid is covered by a cap 12 from the outer side of the opening 11 to seal the tank 3. The tank structure 1 includes a cap cover 15 which is attached to the cap 12 and covers the cap 12 from the outer side. The tank 3 includes a protruding part 13 which protrudes. The cap cover 15 includes a rotation regulation part 21 which engages with the protruding part 13 and regulates rotations of the cap cover 15. |
