| 摘要 |
A trench drain system having an inspection hole is provided to easily remove the contaminant which is flowed in into a water collection pipe and is accumulated, and to easily checking the inside of a water collection pipe. A trench drain system having an inspection hole is composed of a water collection pipe(100) laid under a shower zone or a wash bath room to collect/discharge the waste water; an upper plate(200) having a water collection pipe insertion portion(210) which has the external diameter equal to the inside diameter of the water collection pipe to be inserted and fixed to the upper part of the water collection pipe and is formed to be extended downward, and a trench drain fastening portion(220) formed in the center at the size covering the water collection pipe; an inspection hole(400) having an odor counterflow preventer fastening portion, in which an upper plate fastening portion(310) inserted to the trench drain fastening portion is formed in the bottom; and an odor counterflow preventer(500) connected to the odor counterflow preventer fastening portion. |
