Silica gel sealing device

The utility model relates to the technical field of sealing elements, in particular to a silica gel sealing device which is placed in a sliding installation mode, has corresponding screwing and jacking functions, meets installation and fixation requirements, is convenient to assemble and disassemble and improves reliability. Comprising a door plate and a door frame, and further comprises an inverted-T-shaped groove frame, an inverted-T-shaped mounting frame, a main silica gel sealing gasket, a jacking threaded sleeve, a jacking threaded rod and a jacking screwing handle, the inner end ring side of the door plate is connected with the rear side of the inverted-T-shaped groove frame, the inner side of the inverted-T-shaped groove frame is slidably connected with the outer side of the inverted-T-shaped mounting frame, and the front end of the inverted-T-shaped mounting frame is connected with the rear end of the main silica gel sealing gasket; the bottom end of the inverted-T-shaped groove frame is transversely