Three-stage tornado dust cup filtering system and dust collector comprising same

Abstract

The invention discloses a three-stage tornado dust cup filtering system and a dust collector comprising the same. The filtering system comprises a spiral two-stage dust-air separation device and a one-stage filtering device, which are arranged detachably. The filtering system comprises two dust cups namely a large-body dust cup and a handheld dust collector dust cup, so that the dust storage capacity of the whole system is increased, the separating efficiency of the dust cups is improved, air volume loss is reduced, and the separating efficiency of the large-body one-stage dust cup reaches 95% or above and is obviously improved in comparison with that of a similar one-stage cyclone system. Through carrying out dust-air separation for three times by cyclone, the HEPA is not blocked easily and cleaning of the HEPA by a user is reduced. Meanwhile, dust of larger particles and small particles is fed into two dust cups, so that the user can clean conveniently, the large-body dust cup structure is simple and high convenience in dust pouring is realized.

Description

technical field [0001] The invention belongs to the design technical field of a vacuum cleaner filter system, and in particular relates to a three-stage tornado dust cup filter system and a vacuum cleaner including the system. Background technique [0002] The vacuum cleaner is a cleaning appliance that uses the motor to drive the blades to rotate at high speed, and generates air negative pressure in the sealed housing, thereby sucking the dust into the dust collection device, and discharging the filtered air out of the fan at a very high speed. The vacuum cleaner is based on its function The classification includes dry vacuum cleaners and wet and dry vacuum cleaners. Dry vacuum cleaners generally include dust bag type and dust cup type. [0003] Existing dust cup vacuum cleaners generally include a two-stage dust-air separation structure. The first-stage structure is used to filter large-scale dirt in the air, and the second-stage structure is used to separate and collect s...

AI Technical Summary

Problems solved by technology

Dust and hair directly enter the dust cup through the air duct for separation and filtration, so that fine dust and large particles such as hair enter the dust cup together. The first-level tornado structure is not conducive to the separation of fine dust, while the second-level tornado structure is easy for hair to get entangled On the cone, it is not conducive to the separation of dust, and it is easy to cause the blockage of the Hypa, the loss of air volume increases, and the dust storage capacity of the whole machine is small

Images