Take safety warning function's inspection shaft

The utility model discloses a take safety warning function's inspection shaft, including the well body, set up tube -shape well seat in the upper end of the well body, set up the well lid on tube -shape well seat, its characterized in that: the lower extreme of tube -shape well seat inside wall sets up annular boss, annular boss upper end sets up annular light trough, installs the illuminating part in annular light trough, still including controlling pressure switch or the pressure sensor that the illuminating part lighted and closed, pressure switch or pressure sensor can receive the extrusion of well lid, when well lid extrusion pressure switch or pressure sensor, the illuminating part is closed, when the well lid is opened, the well lid does not contact with pressure switch or pressure sensor, the illuminating part lights. Through the lighting and closing of pressure switch or pressure sensor automatic control illuminating part, play the warning effect to the pedestrian, avoid leading to the unnecessary in