Fire extinguisher with permanent pressure starting valve arranged in hose

The invention discloses a fire extinguisher with permanent pressure starting valve arranged in a hose. The fire extinguisher comprises a fire extinguisher bottle, a spray pipe assembly and a dry powder fluidity testing assembly. The spray pipe assembly comprises a first rigid pipe, a flexible pipe a...

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Bibliographic Details
Main Author CHEN CHUNLAI
Format Patent
LanguageChinese
English
Published 12.07.2019
Subjects
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
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Summary:The invention discloses a fire extinguisher with permanent pressure starting valve arranged in a hose. The fire extinguisher comprises a fire extinguisher bottle, a spray pipe assembly and a dry powder fluidity testing assembly. The spray pipe assembly comprises a first rigid pipe, a flexible pipe and a second rigid pipe. One end of the first rigid pipe is connected with an outlet of the fire extinguisher bottle, and the other end of the first rigid pipe is provided with a plugging valve. A disposable breaking pipe valve is arranged on the first rigid pipe. The tail portion of the flexible pipe sleeves the first rigid pipe and is covered with the disposable breaking pipe valve in a sealing mode. The second rigid pipe sleeves the tail portion of the flexible pipe, and the upper end and lower end of the second rigid pipe are fixed to the fire extinguisher bottle. An upper fixing point of the second rigid pipe is loosened, the second rigid pipe is bent along a lower fixing point of the second rigid pipe, and aft
Bibliography:Application Number: CN201910326284