| 摘要 |
PURPOSE: A drainage trap is provided to restrict counter flow of stink through the drainage trap, to drain sewage from the floor of a bathroom actively and quickly without congestion, and to prevent a drain pipe from clogging by filtering foreign matters. CONSTITUTION: In a drainage trap installed in a floor of a bathroom to drain water; a tubular body(100) is installed in the floor of the bathroom, connected to a drain pipe, and provided with a detachable lid(110) with plural holes(112) in the upper part and a protruded part(102) having the U-shaped section around the inner periphery; and a cover(200) having a first ring-shaped cover(210) installed in the protruded part of the tubular body and provided with guide passages(212) protruded in all directions to drain water easily, and a second cover(220) covering the upper part of the first cover and filtering foreign matters by comb teeth(222) protruded downward.
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