Buckle structure

The utility model discloses a buckle structure which comprises a buckle strip which is in an omega shape, a buckle protruding body is arranged on the buckle strip, and the buckle protruding body is matched with a buckle through hole. The left end and the right end of the tension spring are connected with the left end and the right end of the buckle strip correspondingly, and the tension spring is used for fixing the buckle strip to the first buckle groove; the pull rope is connected with the right end of the tension spring and used for pulling the right end of the tension spring away from the buckle strip. Therefore, the cover fixing device is extremely simple and ingenious in structure, the cover can be firmly fixed, the sealing performance is guaranteed, and the cover can be conveniently and rapidly loosened and taken down. 本实用新型公开了一种卡扣结构，其包括：卡扣条，所述卡扣条呈"Ω"状，所述卡扣条上设有卡扣凸体，所述卡扣凸体与卡扣通孔相配合；拉簧，所述拉簧的左右两端分别与所述卡扣条的左右两端相连接，用于将所述卡扣条固定在第一卡扣槽上；以及拉绳，所述拉绳与所述拉簧的右端相连接，用于将所述拉簧的右端拉离所述卡扣条。由此可知，本实用新型结构极其简单，却又极其巧妙，既能牢牢固定住盖子，保证密封