Variable-frequency glass cleaner with hand pinch prevention function

The utility model relates to a variable-frequency glass cleaner with the hand pinch prevention function. The glass cleaner comprises a main cleaning block and an secondary cleaning block which are matched with each other, wherein a variable-frequency adjustment device is arranged in the main cleaning block, the main cleaning block comprises an upper shell and a lower shell matched with the upper shell, the variable-frequency adjustment device comprises a first magnet, an adjusting pillar and reset spring pillars, the first magnet, the adjusting pillar and the reset spring pillars are arranged in a cavity between the upper shell and the lower shell, the adjusting pillar is of a cylinder structure, spiral limiting convex buckles are arranged on the two sides of the adjusting pillar respectively, an adjusting knob is arranged on the upper portion of the adjusting pillar and arranged on the outer side of the upper portion of the upper shell, and three adjusting steps are arranged on the back side of each limiting convex buckle in the spiral direction. The variable-frequency glass cleaner with the hand pinch prevention function is reasonable in structure, is provided with the variable-frequency magnetic force adjustment device, prevents the hands of a user from being pinched, and is convenient to use and high in working efficiency.