1results about How to "Short replacement cycle" patented technology

This utility model discloses a dust box and cleaning device. The dust box includes a box body and a HEPA filter replacement mechanism. The box body is provided with a dust collection chamber, a suction port, and an air outlet, both of which are connected to the dust collection chamber. The HEPA filter replacement mechanism is disposed in the box body and located outside the dust collection chamber. The HEPA filter replacement mechanism includes a power component, a HEPA filter unwinding component, and a guide and positioning component. The HEPA filter unwinding component is used to release and wind the HEPA filter, the power component is used to drive the HEPA filter unwinding component to move to release and wind the HEPA filter, and the guide and positioning component is disposed at the edge of the air outlet to ensure that the HEPA filter released by the HEPA filter unwinding component at least covers the air outlet. The dust box and cleaning device of this application can solve the problems of long HEPA filter replacement cycle and cumbersome operation of dust boxes.