BAD SMELL CUTOFF EQUIPMENT OF DRAIN MANHOLE

摘要

The present invention is provided below the grating (10a), while preventing the odor of the sewer manhole 10, relates to the odor blocking device 100 of the sewer to facilitate the inflow of rain water,;The odor blocking device 100 is in close contact with the flange 111 seated on the step 11 provided with the grating 10a and the inner wall of the sewer manhole 10 under the flange 111, and upwards and downwards. A square tube 110 having an opening formed therein;;The hinge pin 112 mounted on the lower side of the square tube 110 and hinged to the upper center of the inverted triangle on the side cross-section, and usually serves as a guri blocking the odor, in rainy weather to one side or the other side The hinge rotation is performed by the weight of the rainwater, etc., so that the rainwater can be easily introduced, and the non-flowable heavy material is provided inside the horizontal holding portion 121 protruding downwards, thereby leveling the horizontal by the center of gravity acting downward. It is configured to include a shut-off valve 120 to maintain.;According to the present invention, it is easy to inflow of rainwater, etc. by the shut-off valve of a simple configuration, the odor has the effect of blocking the source.