A screen window for filtering air

Abstract

The invention discloses a screen window used for filtering air. The screen window comprises a window frame, a rotating shaft and shielding sheets, wherein rectangular grooves are formed in one inward side of vertical rods of the window frame; the rotating shaft is fixed on the window frame and comprises a first shaft part and a second shaft part; the first shaft part is provided with a first positioning element; the second shaft part comprises a support rod and a second positioning element; a plurality of elastic convex blocks are annularly arranged in contact positions of the first positioning element and the second positioning element at intervals; grooves are formed among the convex blocks; the shielding sheets comprise a first shielding sheet, a second shielding sheet and third shielding sheets; the first shielding sheet is provided with a metal framework; an upper framework of the metal framework is pivoted with an upper transverse rod; one end of the second shielding sheet is fixedly wound on the support rod, and the other end of the second shielding sheet is fixedly connected with a lower framework of the metal framework; the third shielding sheets form a fan leaf type structure; the upper ends of the third shielding sheets are gathered; one vertical edge of each third shielding sheet is fixed in the rectangular grooves, and the other vertical edge of each third shielding sheet is fixed onto the metal framework; the other two ends of the second shielding sheet are connected with the lower ends of the third shielding sheets; and the second shielding sheet and the third shielding sheets are respectively provided with an open PM2.5 filter element inserting space.

Description

technical field [0001] The invention relates to a screen window for filtering air. Background technique [0002] In modern life, "smog" has become a key word in people's lives. According to a report, less than 1% of the 500 largest cities in China meet the air quality standards recommended by the World Health Organization. At the same time, 7 of the 10 most polluted cities in the world are in China. The smog phenomenon has seriously affected people's lives. In many cases, people want to open the windows for ventilation, but due to the serious smog, they can only "look at the window and sigh", and dare not open the window, because after opening the window, the traditional screen window It can't stop the smog from invading the room. Once the windows are opened, the indoor air will also contain a lot of smog particles. Contents of the invention [0003] One of the objects of the present invention is to provide a screen window for air filtration; [0004] Another object of ...

AI Technical Summary

Problems solved by technology

The smog phenomenon has seriously affected people's lives. In many cases, people want to open the windows for ventilation, but due to the serious smog, they can only "look at the window and sigh", and dare not open the window, because after opening the window, the traditional screen window It cannot prevent the smog from invading the room. Once the windows are opened, the indoor air will also contain a large number of smog particles.

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