| 摘要 |
A movable filter grid has a drain grill (10), an annular seat (30) and an annular fastener (20). The drain grill (10) has an annular plate (11) and multiple support ribs (13). A first end of each support rib (13) is connected to an outer circumferential edge of the annular plate (11), and a second end of each support rib (13) extends radially outwards from the annular plate (11). An inside of the annular seat (30) is securely connected to the second ends of the support ribs (13). The annular fastener (20) is connected to the annular search (30) and is provided with multiple pin holders (21). Each pin holder (21) has a through hole (23) into which a pin (40) is detachably mounted. When the movable filter grid is applied to drain inlets on different terrains, the grating-like pins (40) prevent debris from blocking the drain holes. |
