Sinking type underground water monitoring wellhead protection device

The utility model discloses a sinking type underground water monitoring well mouth protection device which comprises a groove formed in the ground, a waterproof unit and a sealing unit arranged at theupper end of a well wall pipe in a covering mode are arranged in the groove, a supporting unit for supporting monitoring equipment is arranged in the sealing unit, and the upper end of the groove isblocked by a bearing unit. The problems that an existing device is higher than the ground, is not suitable for being close to a residential area in a city, is too abrupt and affects resident life aresolved. 本实用新型公开了一种下沉式地下水监测井口保护装置，包括在地面上开设的凹槽，凹槽内设置有防水单元和罩设在井壁管上端的密封单元，该密封单元内设置有支撑监测设备的支撑单元，凹槽的上端由承载单元进行封堵。本实用新型解决了现有装置高于地面，不适合市区靠近居民区，太过突兀，影响居民生活的问题。