Fire extinguisher spray head device capable of controlling spraying state and spraying flow through pressing

Abstract

The invention relates to the technical field of fire fighting, and discloses a fire extinguisher spray head device capable of controlling the spraying state and the spraying flow through pressing. The fire extinguisher spray head device comprises a cylinder body, and the outer side of the cylinder body is fixedly connected with a limiting ring; a pressing plate moves downwards to enable a circular plate to move upwards, so that a valve plug is far away from a plug opening, gas is sprayed out from a spraying pipe, and the situation that a pressing handle is continuously held by hand, hand discomfort is caused, and the fire extinguishing progress is affected is avoided; the gas spraying flow is smaller when a moving rod is located at the second concave position of a channel; and the gas spraying flow is larger when the moving rod is located at the third concave position; the flow can be selectively changed according to fire behavior conditions, resources are appropriately saved on the basis of effective fire extinguishing, excessive waste of the fire extinguisher is avoided, when fire extinguishing is about to be finished, the pressing plate is pressed downwards once or twice, the valve plug is plugged into the plug opening, the spraying pipe does not spray gas any more, and therefore the fire extinguisher is closed, operation is convenient and fast, and the practicability is higher.

Description

technical field [0001] The invention relates to the technical field of fire fighting, in particular to a fire extinguisher nozzle device which controls the spray state and spray flow rate by pressing. Background technique [0002] Firefighting refers to extinguishing and preventing fires. Fire extinguishers are one of the common fire-fighting facilities. Chemicals are placed inside them. They are generally stored in public places or places where fires may occur. For sudden fires, they can be extinguished in a timely and effective manner. At present, The following problems exist in the use of fire extinguishers: [0003] Generally, when using a fire extinguisher to extinguish a fire, it is necessary to press down the handle. The hand is always on the top of the handle. Keeping the handle down can easily lead to soreness or muscle paralysis in the hands, and it is impossible to continuously and effectively press down the handle, especially People with poor psychological quali...

AI Technical Summary

Problems solved by technology

[0003] Generally, when using a fire extinguisher to extinguish a fire, it is necessary to press down the handle. The hand is always on the top of the handle. Keeping the handle down can easily lead to soreness or muscle paralysis in the hands, and it is impossible to continuously and effectively press down the handle, especially People with poor psychological quality, poor psychological state and inflexible hands make the fire extinguisher suspend fire extinguishing, unable to extinguish the fire in time, increase property losses and even casualties, the operation is very inconvenient, and the jet flow of the fire extinguisher cannot be adjusted. Small flames are sprayed with a large gas flow rate. Although the flames are effectively extinguished, a large amount of gas is wasted, resources cannot be fully utilized, and costs are increased. In addition, when the number of fire extinguishers is limited, it is easy for the flames to be extinguished. If it has been used up, the fire cannot be extinguished in time, which will increase economic losses and threaten personal safety

[0004] Aiming at the deficiencies of the prior art, the present invention provides a fire extinguisher nozzle device that controls the injection state and injection flow rate by pressing, which has the advantages of convenient use and adjustment of injection flow rate, solves the problems of inconvenient operation and waste of resources, and avoids continuous Holding the pressure handle will cause discomfort to the hands, making it impossible to spray the fire effectively and affect the progress of fire extinguishing. The spray flow can be selectively changed according to the fire situation, and resources can be saved in an appropriate amount on the basis of effective fire extinguishing, so as to avoid excessive waste of fire extinguishers and reduce the cost of extinguishing the fire. The range of the fire can not be extinguished in time, the operation is convenient and fast, and it has high practicability

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