The present invention relates to the technical field of two-way metering water meters, and discloses a two-way metering water meter accurate to L position. The water meter comprises a water meter, a water inlet
pipe is fixedly connected to the side surface of the water meter, a water outlet
pipe is fixedly connected to the side surface of the water meter, a water meter dial is arranged on the front surface of the water meter, a display screen is arranged on the front surface of the water meter dial, and a
flywheel is arranged on the front surface of the water meter. When the water meter is measuring water, the rotation of the second reduction gear is used to drive the movable rod to rotate, the slapping plate can use the elastic reciprocating rebound of the second spring to slap, the elastic plate can drive the
extrusion seat to extrude or pull the spring, so that the
extrusion seat can penetrate the hollow plate below the adsorption cotton and enter the interior of the adsorption cotton to extrude the adsorption cotton, and the lubricating
oil can drip on the surface of the second reduction gear for
lubrication, so that when the water meter is measuring water, the gear set is not easy to get stuck.