A liquid multi-stage filtration device

Abstract

The utility model relates to a kind of liquid multistage filter device, including the fixed disc of two quantity, two the filter body of movable installation between the fixed disc, the inside movable installation of filter body has anti-blocking mechanism, the inside rotationally connected of filter body has the thread driving rod of two quantity, two the outside screw thread connection of thread driving rod has outer cleaning ring, the inner bottom wall of filter filter core rotationally connected has connection shaft, the top of connection shaft is inserted with connection inserting rod, the outside fixed mounting of connection inserting rod has inner cleaning plate.The liquid multistage filter device, driving motor output shaft drives second driving wheel rotation, further drive screw driving rod rotation, outer cleaning ring moves along its up and down, inside brush ring adheres polypropylene meltblown primary filter layer outer surface and cleans impurities, simultaneously connection drive base drives connection shaft and inner cleaning plate rotation, clean ceramic microporous fine filter layer inner wall, reduce filter core blockage, reduce replacement frequency.

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