Scanning assembly for Bluetooth card reader-writer, and application thereof

The invention relates to the technical field of Bluetooth card reader-writers, and discloses a scanning assembly for a Bluetooth card reader-writer, and application thereof. The card reader-writer comprises a card reader-writer outer shell, fixed sliding rails are fixedly connected to the upper end and the lower end of the interior of the card reader-writer outer shell, limiting plates are slidably connected to the inner side walls of the fixed sliding rails, scanning modules and display modules are fixedly connected to the outer side walls of the limiting plates, and scanning plates are fixedly connected to the front surfaces of the scanning modules. The limiting plates are connected with the fixed sliding rails in the outer shell of the card reader-writer, the limiting plates drive the scanning modules and the display modules to slide in the card reader-writer outer shell, meanwhile, a connecting rod capable of popping up is arranged on one side of a supporting plate, and when a battery needs to be replaced