Pipe liquid flowing indicating device

The utility model discloses a pipeline liquid flow indicating device which comprises a pipeline. A rotary shaft is arranged in a pipeline and at the position deviating from the diameter of the pipeline; the rotary shaft is fixedly connected with a baffle plate; one end of the baffle plate can approach to the pipeline wall and can be provided with a magnet; the outer part of the pipeline corresponding to the magnet is provided with a magnetic sensing element; the pipeline wall approaching to the magnet is made of non-permeability magnetic materials. The utility model doesn't need to be provided with an opening on the pipeline. The utility model doesn't generate too high sealing and pressure problem. Because the utility model doesn't use the rubber, the utility model doesn't generate the rubber aging problem, and the utility model can not be influenced by the pressure and the temperature, so that the service life can extend; the utility model has the conspicuous advantage in the pipeline system with high liquid pressure. Simultaneously, the utility model uses the magnetic sensing element which can sense the bidirectional flow from the liquid.