Installation structure capable of being replaced conveniently and rapidly for curtain wall gap decoration strip

The invention discloses a mounting structure for a curtain wall gap trim strip capable of being replaced conveniently, which comprises a trim strip plate, a rubber cover, a movable frame and a keel frame, the rubber cover is clamped, glued and fixed on the plate wall of the trim strip plate, and the back plate surface of the trim strip plate is provided with a concentric-square-shaped blocking frame of an integrated structure; the movable frame forms a sliding structure on a seat body part in the decoration strip plate piece through the assistance of the round ball, the end part of a left longitudinal frame body and the end part of a right longitudinal frame body in the movable frame are movably provided with locking claws capable of being turned over, and the keel frame is arranged right behind the decoration strip plate piece. And a locking groove and an unlocking groove are sequentially formed in the inner frame wall of the framework part in the keel frame from front to back. According to the mounting stru