Bolt sealing device

The utility model discloses a bolt sealing device which comprises a positioning rotating column arranged in a bolt hole and a bolt sealing cover used for sealing the bolt hole, an arc-shaped clamping groove used for being connected with the positioning rotating column in a clamping mode is formed in the bottom face of the bolt sealing cover, and the bolt sealing cover can be arranged in parallel or perpendicular to the bottom face of the bolt hole. By rotating the bolt sealing cover, the bolt sealing device can shield and hide the bolt in a parallel state, the bolt and the surrounding environment are isolated, the bolt is prevented from being corroded by splashed liquid, and corrosion and aging of the bolt are delayed; the operation space above the bolt can be reserved in the vertical state, and the bolt sealing cover does not need to be completely taken down, so that the bolt sealing cover is not easy to lose. 本实用新型公开了一种螺栓密封装置，包括设置于螺栓孔内的定位旋转柱和用于密封螺栓孔的螺栓封盖，螺栓封盖的底面设有用于与定位旋转柱卡接的弧形卡槽，螺栓封盖可相对螺栓孔的底面平行设置或垂直设置。通过旋转螺