Ultrasonic flowmeter convenient to install

The utility model discloses an ultrasonic flowmeter convenient to install, which comprises a connecting assembly, a box body and an ultrasonic flowmeter arranged at the top of the box body, the fixing assembly is arranged at the top of the box body and comprises a mounting seat arranged at the top of the box body, a mounting pipe arranged on the inner wall of the mounting seat, a mounting head arranged at the top of the mounting pipe and a first sealing gasket arranged on the outer side of the mounting pipe, and the outer side of the mounting pipe is in threaded fit with the inner wall of the mounting seat; and the inner wall of the mounting head is clamped with the outer side of the ultrasonic flowmeter. The device solves the problems that in power plant equipment, an ultrasonic flow meter needs to be used for monitoring the water supplementing flow of a tower basin, assembly between an existing ultrasonic flow meter probe and a pipeline and assembly between an ultrasonic flow meter body and the pipeline are