Automatic identification liquid level meter

The utility model relates to the technical field of liquid level meters. The utility model relates to a liquidometer, in particular to an automatic identification liquidometer. Protective cover body,mounting mechanisms are fixedly mounted on two sides of the upper surface and two sides of the lower bottom surface of the protective cover body; the clamping mechanism comprises two fixing blocks which are fixedly installed on the two sides, close to the middle, of one side of the inner wall of the protective cover body respectively. A screw rod is fixedly mounted between the two fixed blocks; annular sliding blocks are slidably arranged on the outer sides, close to the middle, of the screws. Connecting rods are hinged to the annular sliding blocks, connecting blocks are hinged to one ends ofthe two connecting rods, clamping plates are fixedly installed at one ends of the connecting blocks, the two ends of the outer side of the screw are sleeved with compression springs, clamping blocksare fixedly installed in th