Reinforcing all-in-one machine

The utility model belongs to the field of ruggedized computer engineering application, and particularly relates to a ruggedized all-in-one machine which comprises a front panel and a small door device, the small door device comprises a front door plate, a pushing mechanism, a rear door cover and a hinge frame, the pushing mechanism is located between the front door plate and the rear door cover, and the hinge frame is located between the front door plate and the rear door cover. The hinge frame is located below the small door device and hinged to the front panel. According to the utility model, the structure is small and exquisite, the installation is simple, the rapid plugging of the USB debugging port can be realized, the maintenance convenience of the reinforced all-in-one machine is greatly improved, the debugging preparation time is shortened, the working efficiency is improved, and the popularization and application of the reinforced all-in-one machine in other cases and all-in-one machines are facilita