| 摘要 |
PURPOSE: A drain trap for odor prevention is provided to cut off the inflow of offensive odor and harmful insects from a drainpipe to the indoor, and to prevent the backflow of sewage and to drain off sewage easily. CONSTITUTION: A drain trap for odor prevention comprises: an upper housing(100) installed to the bottom of a connection of a drainpipe(P) and coupled to the upper part of a lower housing, and provided with a first coupling groove(110) fitted with the bottom of the drainpipe and an inlet where outside fluids flow in to drain off outside fluids through the drainpipe; and a lower housing(200) installed to the top of the connection of the drainpipe, and provided with a second coupling groove(210) fitted with the upper part of the drainpipe, a filter filtering out impurities contained in the fluids influent through the inlet, and a transfer passage conveying the fluids passed through the filter to the upper part of a SGT filter(230). |
