A kind of unpowered fan, its manufacturing method and application
A fan and power technology, applied in the field of non-powered fans, can solve the problems of inconspicuous air flow and poor use effect, and achieve the effects of facilitating assembly line production, prolonging service life, and improving stability and reliability
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[0039] Such as Figure 1 to Figure 3As shown, it is a non-powered fan of the present invention, including a base 1, an air duct 2, an air vane 3 and a top cover 4, and an air vane 3 is evenly arranged between the top cover 4 and the air duct 2, and the air vane 3 passes through the mounting ring 5 The top cover 4 is fixedly connected, and the bottom end of the fan blade 3 is limited in the air cylinder 2 by the limit ring 15, which can not only reduce the shaking of the fan blade 3 due to excessive wind force, which affects the working efficiency of the fan, but also facilitates Installation and disassembly, the base 1 is fixedly connected to the bottom of the blower 2, the top surface of the base 1 is provided with a support mechanism, the support mechanism includes support rods 6 and beams 7, and the support rods 6 are evenly distributed on the top surface of the base 1 and vertically connected to the base 1, the top ends of the two opposing support rods 6 are connected by a...
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