Safe translation pen

The utility model discloses a safety type translation pen which comprises a pen body, L-shaped grooves are formed in the two sides of the pen body, first sliding blocks are arranged in the L-shaped grooves in a sliding mode, limiting grooves are formed in the first sliding blocks, limiting components used for being clamped in the L-shaped grooves to limit the first sliding blocks are arranged in the limiting grooves, and connecting mechanisms are arranged on the first sliding blocks. Compared with the prior art, the safety translation pen has the advantages that the limiting part and the connecting mechanism are arranged, the position of the limiting block in the L-shaped groove is controlled through transmission of a plurality of gears and racks, the effect of installing the limiting plate is achieved, the universality of the limiting plate is improved, and the safety of the translation pen is improved. Meanwhile, the limiting plate is rotated through the rotating shaft, and the limiting plate is moved in co