Outer lock structure of fire fighting access lock

The utility model belongs to the field of fire-fighting access locks, in particular to a novel outer lock structure of a fire-fighting access lock, which comprises a lock shell, a fixed bottom plate and a handle, an unlocking component is arranged in the lock shell and comprises a rotating part, a sliding plate and an unlocking lock cylinder, the rotating part is connected with the handle, the sliding plate abuts against the lower portion of the rotating part, and the unlocking lock cylinder is connected with the fixed bottom plate. Spring mounting grooves are formed in the two sides of the sliding plate, reset springs are arranged in the spring mounting grooves, limiting blocks arranged in the spring mounting grooves are formed on the lock shell, the lower ends of the reset springs abut against the limiting blocks, the upper ends of the reset springs abut against the upper end faces of the spring mounting grooves, a mounting cavity is formed in the middle of the sliding plate, and an unlocking lock cylinder