| 摘要 |
A floor drain with membrane strainer includes a main body having a pit, a top flat grate, and a strainer assembly mounted in the main body below the flat grate. The strainer assembly includes a disc-shaped base that has an annular plate portion with a downward inner flange, and a U-sectioned cup portion having a bottom central hole and being supported in the annular plate portion by ribs with an open area left between them; a membrane strainer made of an elastic and flexible material and having a thin annular portion, on which locating rods are provided for engaging with locating holes on the base to thereby fix the membrane strainer below the flange to normally seal the open area; and a gasket ring fitted around the base for the whole strainer assembly to stably seat in the pit of the main body.
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