Control box of valveless water meter

The utility model relates to the technical field of valveless water meters, in particular to a control box of a valveless water meter, which comprises a top plate, buffer components are fixedly connected to four corners of the top end of the top plate, a cover plate is fixedly connected to the top ends of the buffer components, and an adjusting component is rotatably connected to the middle of one side of the top plate. The bottom end of the adjusting assembly is fixedly connected with an extending assembly, the bottom end of the extending assembly is fixedly connected with a fixing assembly, and the two sides of the fixing assembly are slidably connected with bottom plates. Through the arrangement of the adjusting assembly, the extending assembly and the fixing assembly, a clamping block can be pressed according to the specification of a control box to compress a telescopic spring to adjust the distance between a hollow plate and an extending plate during use, and then a positive and negative threaded rod is