JP2007252838A5 - - Google Patents

Claims (9)

  In a vacuum cleaner equipped with a cyclone dust collector that swirls intake air in a cylindrical dust container to separate dust in the intake air, the cyclone dust collector covers an upper surface of the opened dust container. A holding portion that detachably holds the dust collecting container, an inner cylinder that is arranged in the dust collecting container and has an outlet that allows air to flow out of the dust collecting container, and a thread-like shape from the outlet An outflow prevention unit for preventing the outflow of dust, a filter disposed in the holding unit and collecting dust in the air guided from the inner cylinder, a drive unit for rotationally driving the filter, and an intake side of the filter And a filter dust removing portion that removes the filter by rotating the filter in contact with the surface of the vacuum cleaner.   The filter has a gear portion connected to the driving portion on a peripheral surface, and packings for sealing between a peripheral surface of the filter and an inner surface of the holding portion are provided above and below the gear portion. The vacuum cleaner according to claim 1. The inner cylinder vacuum cleaner according to claim 1 or claim 2 characterized in that it has an inclined surface larger diameter than the lower surface of the filter top end. The vacuum cleaner according to claim 3 , further comprising an inclined surface dust removing unit that is connected to the filter and contacts the inclined surface and removes the inclined surface by rotation of the filter. An inner cylinder filter that is arranged on the inner surface side of the outlet and collects dust and rotates integrally with the filter, and an inner cylinder filter that contacts the inner cylinder filter and removes the inner cylinder filter by rotation of the inner cylinder filter The vacuum cleaner according to any one of claims 1 to 3 , further comprising a cylindrical filter dust removing unit. 6. The electric vacuum cleaner according to claim 5 , wherein the dust removal portion of the inner cylinder filter is made of a brush or an elastic body. The vacuum cleaner according to claim 5 or 6 , wherein the inner cylinder filter has a pleated cross section. The vacuum cleaner according to any one of claims 1 to 7 , wherein the inner cylinder is formed to extend to a bottom surface of the dust collecting container and a lower end of the inner cylinder is opened. The vacuum cleaner according to claim 8 , wherein the inner cylinder has an inclined surface at a lower portion that decreases in diameter as it goes downward.