High-coverage type fire extinguishing device

The invention discloses a high-coverage type fire extinguishing device applied to the field of fire fighting equipment. According to the high-coverage type fire extinguishing device, a coverage distance regulator and a coverage range regulator are additionally arranged on the basis of an existing fire extinguisher, so that the coverage area and distance of a fire extinguishing agent are effectively increased; the opening size of the coverage range adjuster is controlled through the front-back pushing movement effect of the sliding adjusting ring, so that the purpose of adjusting the coverage range of the fire extinguishing agent is achieved, the circulation amount of the coverage range adjuster is controlled by pressing the adjusting film pad, and the purpose of adjusting the coverage distance of the fire extinguishing agent is achieved. The coverage distance regulator and the coverage range regulator not only enable the fire extinguisher to have double injection modes, but also can cooperate with each other,