Pulse type automatic fire extinguishing device

The utility model discloses a pulse type automatic fire extinguishing device, which relates to the technical field of fire extinguishing equipment and comprises a mounting shell, a threaded rod and a sliding block are arranged on the mounting shell, the threaded rod penetrates through the sliding block and is in threaded connection with the sliding block, and a mounting plate is further arranged on the mounting shell. A first sliding block, a reset spring, a clamping block and a pulse type fire extinguishing device are arranged on the sliding block through a sliding plate, and clamping grooves used in cooperation with the clamping block are formed in the outer walls of the left side and the right side of the pulse type fire extinguishing device. Under the action of the threaded rod, the sliding block and the sliding plate, the height of the pulse type fire extinguishing device can be adjusted, the fire extinguishing efficiency of the pulse type fire extinguishing device is guaranteed, under the action of the