A combined filter

Abstract

The utility model relates to a combined filter, including the barrel body, upper cover, support and filter piece, the opening of upper cover covers the barrel body and is used for packing support and filter piece in the barrel body, support detachable installation is in upper cover, and support and upper cover surround and form the shunt chamber and the aeration chamber that isolate each other, filter piece detachable installation is in support and extends into the barrel body, filter piece has filter core, and filter core has the filter cavity of hollow, upper cover is equipped with air inlet and air outlet, and air inlet is linked with shunt chamber, and air outlet is linked with aeration chamber, support is equipped with first air hole and second air hole, and air inlet is connected with the inner chamber of barrel body through first air hole, and air outlet is connected aeration chamber and filter cavity through second air hole, the utility model discloses through setting up first air hole, second air hole and second annular baffle on support, and support has the effect of anti -impact and shunt, not only simplifies the structure of filter, but also improved the filtration efficiency.

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