| 摘要 |
The invention relates to a gully hole (1) for catching and draining water into a sewer system, comprising a gully chamber (10) provided at its top end with a gully inlet (20) for receiving the water, and provided at a lower level with a gully outlet (30) which opens into the gully chamber (10) and which is connectable to the sewer system, and comprises a gully screen (40) fitted in and dividing the gully chamber (10) into a collecting compartment in communication with the gully inlet (20) and a discharge compartment in commnuication with the gully outlet (30). The gully screen (40) is a screen plate which extends almost over the entire height of the gully chamber (10), is mounted near the gully outlet (30), and abuts with at least its side edges and bottom edge to the walls of the gully chamber (10). Preferably the screen plate (40) is in a horizontal cross section curved and made from a flexible material, while being fitted under tension between the walls of the gully chamber (10) with the convex side facing the collecting compartment (50). |
