Fire fighting device for automatic sprinkler system

The utility model discloses a fire-fighting device for an automatic sprinkler system, and relates to the technical field of fire-fighting equipment, in particular to the fire-fighting device for the automatic sprinkler system, which comprises a water storage tank, a sliding rod is fixedly connected to the inner top wall of the water storage tank, and a floating block is sleeved on the outer surface of the sliding rod. According to the fire fighting device for the automatic water-spraying fire extinguishing system, the floating block is arranged, so that the fire fighting device for the automatic water-spraying fire extinguishing system has an automatic water feeding effect; through cooperative arrangement of a first water pump switch, a first water pump touch block, a first switch spring, a second water pump switch, a second water pump touch block, a second switch spring, a first water pump and a second water pump, a water source can be automatically supplemented when the water source is insufficient in the u