Fresh air machine with filter screen being convenient to renew
A new fan and filter technology, which is used in ventilation systems, mechanical equipment, space heating and ventilation, etc., can solve the problems of short replacement time interval, short service life of the filter, and unclean air of the fresh fan. Efficiency, the effect of prolonging the replacement time
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[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. However, it should be noted that the description of the following embodiments is schematic and does not constitute a specific limitation to the present invention.
[0024] refer to Figure 1 to Figure 3 , a kind of fresh air blower that is convenient to renew the filter screen, comprises: a shell 1, is provided with an air inlet 11 that communicates with the outside world and the air outlet 12 that communicates with indoor; Fan 2, is arranged in the shell 1, is used for The outside air is blown into the room; the new fan also includes an unwinding device 3 and a winding device 4, and the unwinding device 3 and the winding device 4 are all movable on the housing 1; the filter screen 5 is tensioned One end of the filter screen 5 is wound on the unwinding device 3, and one end between the unwinding device 3 and the winding device 4 is conn...
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