Passive module self-generating vacuum cup

The invention provides a passive module self-power-generation vacuum cup, and belongs to the technical field of vacuum cups, the passive module self-power-generation vacuum cup comprises a cup body, a cup cover is mounted at the upper end of the cup body in a threaded manner, a turning cover is mounted at the upper end of the cup cover in a buckled manner, a cup base is mounted at the lower end of the cup body in a threaded manner, and a power generation assembly is mounted below the cup base in a sleeving manner; an LCD display screen is embedded in the middle of the front end of the cup body. According to the self-generating device, the arranged pressing block makes contact with the pressing plate of the self-generating device body to drive the pressing plate to press downwards, the cup base is jacked up through the reset column, the pressing block is separated from the pressing plate, then pressing and rebounding reciprocating operation is conducted, a magnet and a coil in the self-generating device body g