| 摘要 |
A horizontal drain pipe (100) according to the present invention comprises: a water collecting pipe (110); a guiderail (120) which is installed inside the water collecting pipe (110); a door (140) which is installed on the front end of the guiderail (120) to block the inlet of the water collecting pipe (110); a lever (150) which is coupled to the guiderail (120) through a pin to open and close the door (140); a bucket (130) which is installed on the bottom of the outlet of the water collecting pipe (110); a connection line (160) which connects the bucket (130) to the lever (150); and rollers (171, 172) which are installed in the guiderail (120) to support and guide the connection line (160), wherein the bucket (130) is drawn out of the water collecting pipe (110) when the guiderail (120) is pulled and drawn out of the water collecting pipe (110). Therefore, the present invention improves filtering efficiency through multi-stage filtering. |
