Damping tool box for building

The utility model provides a damping tool box for a building. Box body, the top of the box body is movably connected with a box cover through a hinge; the bottom of the box body is fixedly connected with a first pressing plate; the outer side of the box body is sleeved with a shell. Chutes are formed in two side surfaces of the inner wall of the shell; the two sliding grooves are movably connectedwith sliding blocks arranged on the two side faces of the first pressing plate correspondingly. Damping springs are arranged in the two sliding grooves. And a damping air cylinder is arranged below the first pressing plate, a second pressing plate is arranged on one side of the damping air cylinder, a buffer spring is in lap joint with the end, away from the damping air cylinder, of the second pressing plate, and the other end of the buffer spring is in lap joint with the inner side wall of the shell. According to the technical scheme, by arranging the damping air cylinder, the buffer springand the damping spring, th