| 摘要 |
PURPOSE: A drain trap is provided to cut off offensive odors flowing from a drain pipe to an indoor space by improving the sealing force thereof. CONSTITUTION: A drain trap comprises a main body (400), an outer trap body (100), an inner trap body (200), a packing (600), a fixture (300), and a filter cover. The main body has a female screw part and a hollow part in which a hanging protrusion is formed. The outer trap body is inserted into the hollow part and has a water sealing vessel. The inner trap body has a water sealing pipe inserted into the water sealing vessel and an inner flange supported to the hanging protrusion. The packing is inserted between the hanging protrusion and the bottom surface of the inner flange. A male screw part corresponding to the female screw part of the hollow portion is formed in the fixture, and the fixture presses the top surface of the inner flange. |
