Impermeable instrument for detecting waterproof material

The utility model discloses an impermeable instrument for detecting waterproof materials, which relates to the technical field of impermeable instruments for detecting waterproof materials, and comprises a detection box, a fixed frame is fixedly arranged in the detection box, a sliding block is arranged on the fixed frame in a sliding manner, a push rod is fixedly arranged at one end of the sliding block, and a pressing block is fixedly arranged at one end of the push rod. First connecting shafts are fixedly arranged on the two sides of the sliding block, first connecting rods are rotationally arranged on the first connecting shafts, and second connecting rods are rotationally arranged on the first connecting shafts. A pressing block is pressed to enable a first swing plate and a second swing plate to move, so that a round rod drives a limiting ring to move, then a pressing column is driven to press a waterproof material, a rotating block is rotated to drive a threaded rod to rotate, then a moving block is dr