Plug-in type differential pressure measurer

The utility model relates to a plug-in type differential pressure measurer, which is provided with a cone throttling element and pressure guiding pipes, wherein the cone is hung in a circular sleeve pipe through a bracket; the pressure taking opening of an upstream pressure guiding pipe is positioned on the circular sleeve pipe corresponding to the conical surface of the cone; the pressure taking opening of a downstream pressure guiding pipe is positioned at a low pressure region at the rear part of the cone in the circular sleeve pipe; the two pressure guiding pipes are respectively connected with pressure guiding pipes corresponding to inserted connecting rods. The utility model has the advantages of simple structure, small size, convenient installation and construction, high measuring precision, wide applicability, broad measuring range, good vibration resistance, wear resistance, high temperature resistance, small pressure loss of fluid and obvious energy-saving effect, and is an ideal device for measuring fluid flow in a pipeline. The utility model is suitable to be arranged in various pipelines of different pipe diameters for carrying out flow measurement to various mediums.