Cavity filter structure convenient to assemble, disassemble and maintain

The utility model discloses a cavity filter structure convenient to assemble, disassemble and maintain, which relates to the technical field of assembly and disassembly and comprises a filter shell, a fixing bolt and a disassembly unit. Two buckle units are installed on the surfaces of the two sides of the filter shell, and the four corners of the bottom face of the filter shell are fixedly connected with the four anti-vibration units correspondingly. The fixing bolt is arranged on the upper surface of the filter shell; the dismounting unit comprises a mounting top plate, a first mounting bolt, a second mounting bolt, a mounting side plate and a forward mounting plate, the top of the filter shell is in threaded connection with the left side and the rear side of the mounting top plate through two fixing bolts, and the upper surface of the mounting top plate is provided with the first mounting bolt; the first installation bolt is in threaded connection with the bottom face of the filter shell, the forward insta