The present invention uses a redundancy (utility model registration number: 20-0457653) consisting of a rotary connection and a nut between the pipe and pipe for discharging wastewater and rainwater generated from homes and businesses, etc. The present invention relates to a horizontal odor blocking device mounted on a joint pipe connected to a set of red rushers which is equipped with a odor blocking device to discharge incoming sewage and block backflow odors.;The present invention is equipped with a odor blocking device formed of an inlet pipe and a blocking plate in the interior of the fitting pipe is coupled to one set of reddish, it relates to a odor blocking device that is opened and closed by the water pressure and weight of the incoming sewage.;The present invention devised by the above solution is formed on the front surface of the tubular body 12 into which the sewage flows, the outer edge 11 is formed in a single body, the inner surface of the tubular body 12 is formed in a semi-circular inlet 13 is formed An inlet pipe 10 having a semi-circular inclined surface 15 formed at a bottom of the through hole 14 partially penetrated laterally through the discharge side upper end;;Blocking plate 20 made of a semi-circular plate 22 formed in a single body in a circular rod 21 is coupled to the inner surface of the through hole 14 is rotated;;Block plate 20 is fitted to the inlet pipe 10 of the inlet is configured to be fitted in the horizontally expanded joint pipe reddish.
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