Storage box

A storage box, comprising an upper cover and a lower cover,

• wherein the storage box further comprises a drying support member and a shaft sleeve mechanism, and the shaft sleeve mechanism comprises a key shaft, an upper cover shaft sleeve, a lower cover shaft sleeve and a drying support member shaft sleeve;
• the upper cover shaft sleeve, the lower cover shaft sleeve and the drying support member shaft sleeve are matched with the key shaft, the key shaft comprises a lower cover shaft sleeve adaptation section, an upper cover shaft sleeve adaptation section and a drying support member shaft sleeve adaptation section, the lower cover shaft sleeve adaptation section is matched with the lower cover shaft sleeve, the upper cover shaft sleeve adaptation section is matched with the upper cover shaft sleeve, and the drying support member shaft sleeve adaptation section is matched with the drying support member shaft sleeve;
• the upper cover is provided with the upper cover shaft sleeve, the upper cover is rotatably connected to the upper cover shaft sleeve adaptation section of the key shaft via the upper cover shaft sleeve, the lower cover is provided with the lower cover shaft sleeve, the lower cover is rotatably connected to the lower cover shaft sleeve adaptation section of the key shaft via the lower cover shaft sleeve, the drying support member is provided with the drying support member shaft sleeve, the drying support member is connected to the drying support member shaft sleeve adaptation section of the key shaft via the drying support member shaft sleeve, and the drying support member and the key shaft rotate synchronously;
• when the storage box is in a closed position, the drying support member is located between the upper cover and the lower cover, and an upper end of the drying support member is connected with the upper cover, and a lower end of the drying support member is connected with the lower cover;
• and
• when the drying support member is in a working state, the drying support member is vertically supported on the storage box.