Fireproof lock box

The utility model provides a fire prevention lock box which it includes the thin steelframe of counter-fire face, the thermal-insulated heavy-gauge sheeting of counter-fire facial height temperature, the thermal-insulated heavy-gauge sheeting of back of the body fire facial height temperature, the thin steelframe of back of the body fire face, the thin steel draw-in groove of back of the body fire face, the thermal-insulated panel of thickness adjustment high temperature, the thin steel draw-in groove of counter-fire face characterized in that, wherein the thin steel draw-in groove of counter-fire face and the thin steel draw-in groove of back of the body fire face put respectively on the thin steelframe of weld counter-fire face and the thin steelframe of back of the body fire face, the thermal-insulated heavy-gauge sheeting of counter-fire facial height temperature and the thermal-insulated heavy-gauge sheeting of back of the body fire facial height temperature respectively the cartridge on the thin steelframe of counter-fire face and a back of the body fire thin steelframe, the thermal-insulated panel cartridge of thickness adjustment high temperature between the thin steel draw-in groove of counter-fire face and a back of the body fire thin steel draw-in groove, its superiority lies in: structure and preparation simple process, practicality are applicable to the prevention of fire door leaf of different thickness, and will approach the steel material and high temperature thermal insulation material rationally combines, have improved fire-resistant integrality and thermal insulation simultaneously.