Casement window closing structure

The utility model discloses a casement window closing structure which comprises two symmetrically-arranged vertical frames, two ends of the two vertical frames are jointly provided with two transverse frames, the upper surface of each transverse frame is provided with a blocking groove, the blocking groove comprises a lower bottom face and a placing face, the placing face and the lower bottom face are vertically arranged, and the lower bottom face and the placing face are vertically arranged. And a sealing strip is fixedly mounted on the placement surface. The utility model has the advantages of ingenious structure and reasonable design, reduces the volume and speed of air flow flowing into a room by utilizing the barrier principle, reduces the speed of warm air flowing out of the room, enhances the heat preservation effect of the room, and ensures the sound insulation effect of the room by utilizing the sound wave absorption and refraction principle. 本实用新型公开了一种平开窗闭合结构，包括对称设置的两根竖框，两根所述竖框的两端共同安装有两根横框，每根所述横框的上表