| 摘要 |
PURPOSE: A composite filter for water purifier is provided to prevent reduction of water flow rate and secure filtering performance by reinforcing sediment filter in a cylinder shape. CONSTITUTION: In a water purifier(100) at upper and lower parts of which inflow port(11) and outflow port(51) are formed respectively, and on the circumference of which first clamping part(12) and second clamping part(52) are formed, the composite filter for water purifier is characterized in that it comprises ball valve part(14), first filter part(20), second filter part(30) and third filter part(40) inside the water purifier(100), wherein the first filter part(20) comprises a double filter comprising sediment filter(24) installed at an outer side of the first filter part(20), an ACF filter(25) superposed on an inner side of the sediment filter(24) and PP tube(26) on which pores(26-A) are formed, and which is inserted into the ACF filter(25), wherein lower plate(21) and upper plate(22) are fixed to upper and lower parts of the double filter, ball housing(19) is vertically installed at a lower part of the lower plate(21), fixture(21-A) is installed on the circumference of the lower plate(21) so that water is circulated, the upper plate(22) comprises first packing ring seat(22-A) which is installed on the circumference of the upper plate(22) and has first packing ring(22-B), and PP pipe clamping part(22-C) is installed inside the upper plate(22) in such a way that the PP pipe clamping part(22-C) is connected to the pores(26-A).
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