Banking business library vault door mounting structure

The utility model discloses a vault door mounting structure of a bank business vault, relates to the technical field of vault door mounting structures, and aims to solve the problems that an existing vault door cannot be reused due to the mounting mode that the vault door is firmly welded with reinforcing steel bars of a vault body and is poured with concrete during mounting, and the vault door cannot be reused. If a bank reforms or expands a warehouse, the vault can only be scrapped after being detached and then a new door is bought, waste is great, and the vault door is pressed on a rotating part by weight and is easy to crack and damage after a long time. A door opening is formed in the business library body, a door frame is arranged in the door opening, a vault door main body is arranged in the door frame, rotating pieces are arranged at the two ends of one side of the vault door main body, and a connecting piece is arranged at the front end of one side of the door frame; the vault door further comprises