Anti-blocking air purifier

The utility model relates to the field of air purifiers, in particular to an anti-blocking air purifier which comprises an air purifier body, the air purifier body comprises a fan shell, a filter cover is installed at the upper end of the fan shell, an air outlet shell is installed at the lower end of the fan shell, the lower end of the air outlet shell is fixed to a base, and an anti-blocking device is installed in the upper end of the fan shell. According to the air purifier, air is sucked in through the filter cover, large-particle dust in the air is filtered out through the first front filter screen and the composite filter screen, and most impurities in the air are purified out. And gas enters the anti-blocking device and is filtered for the second time through the second front filter screen, dust which is not filtered by the filter cover is effectively retained by the anti-blocking plate, and impurities are prevented from remaining on the ventilation filter screen and the fan blades below the anti-block