Water meter special for fire fighting

• Main Authors: ZHANG XUEDE, JIANG KAIDE, JIANG ZICHENG, MO YANTIAN, JIANG JIE, WANG BENXING
• Format: Patent
• Language: Chinese; English
• Published: 03.05.2022
• Subjects: MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PHYSICS; TESTING

The utility model relates to the technical field of water meters, and discloses a special fire-fighting water meter which comprises a base meter, a first connecting flange, a connecting pipe and a second connecting flange. The base meter is communicated with a fire hose; one side of the first connecting flange is fixedly connected with the base meter; the connecting pipe is arranged on the other side of the first connecting flange, and the end, away from the first connecting flange, of the connecting pipe extends into the fire hose and can slide relative to the fire hose. The second connecting flange comprises a fixed flange and a sliding flange, and the fixed flange sleeves the connecting pipe; the sliding flange is fixedly arranged at a pipe opening of the fire hose, a gap is formed between the fixed flange and the sliding flange, and a spring is arranged in the gap. When the sliding flange slides towards one side of the fixed flange on the connecting pipe, the end, extending into the fire hose, of the conn