Ventilated rain-proof well lid assembly

A ventilated rain-proof well lid assembly includes: a well lid having a top outer surface and a bottom inner surface; the ventilation opening penetrates through the well lid between the top surface and the bottom surface; a valve assembly in fluid communication with the vent and extending from the bottom inner surface, the valve assembly configured to at least partially extend from the bottom inner surface into the manhole, the valve assembly operable between an open position enabling gas to be discharged from the manhole and a closed position enabling gas to be discharged from the manhole; the closed position prevents fluid from flowing into the manhole from the top outer surface. 一种通风防雨井盖组件，包括：具有顶部外表面和底部内表面的井盖；在顶面与底面之间贯穿井盖的通风口；与通风口流体连通并从底部内表面延伸的阀门组件，该阀门组件被配置成从底部内表面至少部分地延伸到检修井内，该阀门组件能够在打开位置与关闭位置之间操作，所述打开位置使气体能够从检修井排出，所述关闭位置防止流体从顶部外表面流入检修井。