Flowmeter convenient to adjust

The utility model discloses a flowmeter convenient to adjust, which comprises an ultrasonic flowmeter body and a hollow plate used for accommodating the ultrasonic flowmeter body, a first rectangular frame is fixed at the bottom of the hollow plate, two clamping plates are fixed at the top of the first rectangular frame, and the two clamping plates are respectively positioned on two sides of the hollow plate. A U-shaped plate used for containing a pipeline is arranged below the hollow plate, the tops of two lug plates of the U-shaped plate are rotationally connected with L-shaped plates, clamping grooves are formed in the L-shaped plates, the clamping plates can be embedded into the clamping grooves, and a fixing mechanism used for fixing the hollow plate and the U-shaped plate to the outer side of the pipeline is arranged in the U-shaped plate. The manual screwing screw is rotated, so that the manual screwing screw drives the moving plate and the extrusion plate to move downwards, after the abutting force of