English translation device with protective structure

An English translation device with a protection structure comprises a translation penholder body, the translation penholder body comprises a trapezoidal scanning opening, an infrared probe and a transparent plate, the trapezoidal scanning opening is formed in the bottom of the translation penholder body, a protection cover is arranged below the translation penholder body, and a rubber plug is arranged at the end, close to the trapezoidal scanning opening, of the protection cover; the utility model has the following advantages: the protective cover is rotated through the hinge to be positioned right below the trapezoidal scanning port, and then the threaded rod is rotated to drive the rubber plug to extend into the trapezoidal scanning port, so that the side wall of the rubber plug is in close contact with the side wall of the trapezoidal scanning port, the transparent plate and the infrared probe are conveniently protected, and the surface of the transparent plate is prevented from being contaminated by dust;