Reserved hole shielding device

The utility model provides a reserved hole shielding device which is used for shielding a reserved hole of a floor. The cover plate is used for covering the reserved hole, a strip-shaped sliding groove penetrating through the cover plate and two fixing bolts used for fixing the cover plate to the floor slab are formed in the cover plate, one end of each fixing bolt is bent in the radial outward direction of the reserved hole to form a hooking part capable of being hooked to the bottom face of the floor slab, and the other end of each fixing bolt is bent in the radial outward direction of the reserved hole. The other end of the fixing bolt is a threaded end, the threaded end extends out of the strip-shaped groove of the cover plate and can slide along the strip-shaped groove, and a fastening nut is screwed to the threaded end. The reserved hole shielding device has the advantages of being convenient to install, not prone to being damaged and firm in fixation. 本实用新型提供了一种预留孔洞遮蔽装置，用于遮蔽楼板的预留孔洞，包括；用于遮盖所述预留孔洞的盖板，所述盖