Superfine dry powder fire extinguishing device

The utility model belongs to a superfine dry powder fire extinguishing device, which comprises a back box and a fire extinguisher, the fire extinguisher is placed in the back box, a fixing structure is arranged in the back box, the fixing structure comprises a breathing part, a pressing part and a fixing part, the breathing part is arranged at the upper end of the back box, the pressing part is arranged on the side surface of the back box, and the fixing part is arranged at the lower end of the back box. According to the utility model, the device is fixed on the body in a front-back manner, and is provided with the filtering mask, so that combustion gas is prevented from being breathed, and the safety is higher. 本实用新型属于一种超细干粉灭火装置，包括背箱以及灭火器，所述灭火器放置在所述背箱内，所述背箱内设置有固定结构，所述固定结构，包括：呼吸部、按压部以及固定部，所述呼吸部设置在所述背箱上端，所述按压部设置在所述背箱侧表面，所述固定部设置在所述背箱内，本实用新型采用前背的方式固定在身体上，并且配备过滤面罩，避免呼吸进入燃烧的气体，安全性更高。