Water meter anti-freezing device
A technology of antifreeze device and water meter, which is applied in the direction of measuring device, preventing volume instrument damage, instrument, etc., and can solve problems such as pipe wall bursting, affecting normal water use, wasting money, etc.
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[0023] refer to Figure 1-5 , a water meter antifreeze device, including a water meter box 1, a plurality of water meters 2 are installed in the water meter box 1, each water meter 2 is connected to a connecting pipe 3 at both ends, and a first protective frame is fixedly connected to the inner wall of the water meter box 1 rear side 4. The upper end of each connecting pipe 3 and the part in the water meter box 1 are connected with a connecting block 6. The upper end of the connecting block 6 is sealed and rotated through and provided with a rotating shaft 7. The lower end of the rotating shaft 7 extends to the inside of the connecting pipe 3 and fixes the sleeve Connected with the first bevel gear 8, on the inner wall of the connecting pipe 3 and at the left and right positions of the connecting block 6, there is a rotating cylinder 9 rotatably connected. The opposite sides of the two rotating cylinders 9 in the tube 3 are fixedly connected with annular bevel gears 11, and ea...
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