Fire extinguisher

Abstract

The invention relates to the field of fire fighting equipment, and aims to provide a fire extinguisher. The fire extinguisher comprises a shell, a fire extinguishing agent, a gas generator, a temperature sensing plate, a sprayer, a containing hole, an ejection plate, a compressed spring, a plurality of through holes and a fusible alloy ring, wherein the lower end of the shell is provided with an outlet hole; the fire extinguishing agent is contained in the shell; the gas generator is arranged inside the shell, the lower end of the gas generator is provided with a trigger probe, and the side wall of the gas generator is provided with a plurality of upper gas outlet nozzles; the upper end of the temperature sensing plate is connected with the lower end of the shell, and the lower end of the temperature sensing plate is provided with an outlet pipe; the sprayer is connected with the outlet pipe; the containing hole is formed in the upper end of the temperature sensing plate, and the lower end of the containing hole communicates with an inner hole of the outlet pipe; the ejection plate is arranged in the containing hole, and the upper end of the ejection plate is provided with an ejection rod opposite to the trigger probe; the two ends of the compressed spring abut against the lower end of the ejection plate and the bottom face of the containing hole correspondingly; the multiple through holes are formed in the ejection plate and are circumferentially distributed along the ejection rod; and the fusible alloy is arranged outside the ejection rod in a sleeving mode, the outer side wall of the fusible alloy ring is connected with the side wall of the containing hole, and the lower end of the fusible alloy ring presses the upper end of the ejection plate. The fire extinguisher can be automatically started for putting out a fire at unattended operation places, and the spraying range of the fire extinguishing agent is wide.

Description

Technical field [0001] The invention relates to the field of fire fighting equipment, in particular to a fire extinguisher that can automatically start fire extinguishing when used in unattended situations. Background technique [0002] Fire extinguisher is a commonly used fire extinguishing device, and timely fire extinguishing with fire extinguishing device can reduce losses; the utility model of Chinese patent application number: CN201520581027.4 discloses a dry powder fire extinguisher, including a fire extinguisher barrel, which is connected to a nozzle correspondingly, A fire extinguisher pressure handle is also provided at the connection between the fire extinguisher barrel and the nozzle, a handle is provided on the lower side wall of the fire extinguisher barrel, and a fluorescent surface is also provided on the side wall of the fire extinguisher barrel, An anticorrosive buffer layer is connected to the bottom of the fire extinguisher cylinder. The fire extinguisher has...

AI Technical Summary

Problems solved by technology

[0003] The first purpose of the present invention is to overcome the deficiency that the current fire extinguisher cannot automatically start fire extinguishing when it is used in an unattended situation. A fire extinguisher that can automatically start fire extinguishing and fire extinguishing agent spraying range when it is used in unattended places

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