Air pump and opening and closing structure of air valve thereof
A technology of air pump and air valve, which is applied to components, pumps, and pump devices of elastic fluid pumping devices, etc., which can solve the problems of complex switching structure and inconvenient operation, and achieve flexible switching of gas ports, convenient operation, and simple structure Effect
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[0049] The present invention as Figure 1 to Figure 6 As shown, a kind of air pump includes housing 10, air valve 20 and blower 30, wherein:
[0050]The casing 10 is provided with an accommodating cavity 11, and the casing 10 is provided with a first air port 12 and a second air port 13, the first air port 12 communicates with the accommodating cavity 11 and exposes the inflatable product 70, the second air port 13 is a semicircle, which communicates between the cavity 11 and the inner cavity of the inflatable product 70, and the shell 10 has a cover 14, the cover 14 covers the upper end of the cavity 11 above, on the cover There is a circle of lower flanges 141 extending downward on the body 14, and four limiting grooves 1411 at different heights are arranged on the bottom surface of the lower flange 141 at intervals of 90 degrees, and the two facing limiting grooves 1411 are at the same height A pushing slope 1412 with a slope is disposed between two adjacent limiting groov...
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