Spray head for fire fighting

Abstract

The invention relates to the technical field related to fire fighting equipment, and discloses a spray head for fire fighting. The spray head comprises a mounting block, wherein a water outlet channel is formed in the inner wall of the mounting block, a plugging block used for plugging the water outlet channel is movably arranged at the bottom of the mounting block, and supporting arms are fixedly arranged on the two sides of the bottom of the mounting block respectively. According to the spray head, a fixed magnetic block is arranged on a fixing seat, meanwhile, a cutting block is attracted by the fixed magnetic block, the cutting block supports the plugging block through a driving shaft and a detection rod, so that after the detection rod is broken, the cutting block is manually pushed to realize that the plugging block plugs the water outlet channel of the mounting block, and the purpose of plugging at any time is achieved; and moreover, through the interaction between the adsorption force between the cutting block and the fixed magnetic block and the water flow, a water dispersing disc can move up and down in a reciprocating mode, change of the water dispersing area of the water dispersing disc is realized, and finally the purposes of real-time plugging without cutting off a main switch and changing the water dispersing area are achieved.

Description

technical field [0001] The invention relates to the related technical field of fire-fighting equipment, in particular to a sprinkler head for fire-fighting and extinguishing. Background technique [0002] The fire sprinkler is used in the fire sprinkler system. When a fire breaks out, the water is sprayed out through the sprinkler splash plate to extinguish the fire. It is divided into a pendant sprinkler, a vertical sprinkler, a common sprinkler, and a side wall sprinkler Nozzle etc. [0003] The working principle of the existing drooping fire extinguishing nozzle is: when a fire occurs, the glass body expands due to the increase in temperature, and then the water blocking block is washed out by the impact of water, and then the sprayed water acts on the splash plate Finally, the fire extinguishing work is realized through the sprayed water flow. [0004] However, in the actual use process, because the glass body explodes, the water block will be pushed out at the same ti...

AI Technical Summary

Problems solved by technology

[0004] However, in the actual use process, because the glass body explodes, the water block will be pushed out at the same time, so when the glass body is broken under the action of external force, it is necessary to close the water valve main gate to cut off the water pipe. In the process of shutting it down and maintaining it, the entire fire-fighting device is in a non-working state, so that it cannot be remedied at the first time when a fire occurs during the maintenance process. During the process, it needs to be taken out through the screw thread, so as to install a new sprinkler head for replacement. Therefore, in the actual use process, the sprinkler head after the threaded connection is rusted, so it is not easy to take it out. At the same time, After the installation thread on the water pipe is damaged, water leakage will occur at the joint when installing a new sprinkler head, so that the sprinkler head is not only prone to water leakage during the replacement process, but at the same time, the replaced sprinkler head will not reappear. utilization, resulting in waste of equipment

[0005] At the same time, the existing splash plate is fixed to the bottom of the shower head, so that after the water flow hits the splash plate, the area covered by it is relatively fixed, so that the fire extinguishing area of ​​the spray nozzle is relatively Therefore, it is not conducive to the extinguishing of fire points in a wide range

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