Keeping warm handguard switchgear of the small-sized vinyl house which establishes on the vinyl house inside

摘要

The present invention relates to a heat insulation cover opening and closing device of a small plastic house installed inside a plastic house.;When installing a small plastic house in a plastic house, a pedestal is installed in all four directions of the ground, and the brackets of the pedestal have a semi-elliptic fixture facing each other. On some other side, forward and reverse motors and reducers are installed to rotate the four-sided bearings mounted on the reducer in the guide rail, and the rotating shaft connected to the reducer is wound around the semi-elliptic fixtures on both sides. And a winding drum in which the belt is wound on both sides of the inner side, and a winding drum in which the belt is wound on the inner side and the outer side, and the guide drums formed between the inner and outer winding drums are respectively opposed to both sides. Placed in the circumference, the forward and reverse motors rotate in half ellipse while the rotating shaft connected to the reducer is interlocked. The belt of the winding drum fixed to the outer side is wound in the process of moving to the other side of the fixture, and the belt of the winding drum fixed to the inner and both sides is released, and the thermal cover is opened. If the reverse motor is operated reversely, the rotating shaft also reverses, and the belt of the wound drum that has been wound up is released, and the belt of the unwinding drum is unwinded. It is to destroy.