Seal mounting mechanism and seal device

The utility model discloses a seal installing mechanism and a seal device, and relates to the technical field of seals. The seal installing mechanism comprises a female base, two fixing arms and a pin shaft, the female base comprises a first column body and a second column body which are hollow and provided with openings in the two ends, the first column body and the second column body are coaxially arranged and fixedly connected through a connecting column, and the pin shaft axially penetrates through the peripheral wall of the first column body; the two fixed arms are respectively hinged to the periphery of the female seat and correspond to the position of the connecting column between the first column body and the second column body; a seal is fed through an opening in the end of the second cylinder, a handle of the seal extends into the female seat, and a seal body of the seal is exposed out of the second cylinder; the two fixing arms are used for abutting against and fixing a handle of the seal from the