Plastic component for protective film

The utility model relates to the technical field of protective films, in particular to a plastic component for a protective film, which comprises a metal plate and a protective film, and is characterized in that a clamping head and a fixing rod above a protective block with a first connecting rod penetrate through an open hole under the matching of elastic expansion of the open hole of the protective film on the top side; the clamping cover and the clamping head are clamped so that the protective film on the top side can be conveniently connected, the clamping head below the protective block with the second connecting rod and the fixing rod penetrate through the open hole, and the clamping cover and the clamping head on the bottom side are clamped so that the protective film on the bottom side can be conveniently connected. The protective films on the top side and the bottom side are reliably connected through the first connecting rod and the second connecting rod, the connecting ring is stably screwed off th