Packaging bag sealing structure

The utility model discloses a packaging bag sealing structure which is characterized in that a sealing end of a packaging bag (4) is sealed by adopting a sewing thread (1), two outer surfaces of the sealing end of the packaging bag (4) are respectively provided with a covering layer, the covering layers completely cover the sewing thread (1), the packaging bag (4) is a woven bag, and the covering layers are spray coatings or hot melt adhesive tape layers (2). Compared with the prior art, the anti-counterfeiting packaging bag has the advantages that the anti-counterfeiting function is greatly improved, and the packaging bag is prevented from being illegally recycled and reused; and meanwhile, compared with a seal only provided with stitches, the seal strength is improved. 本实用新型公开了一种包装袋封口结构，包装袋(4)的封口端采用缝线(1)封口，所述包装袋(4)封口端的两个外表面上均设置有覆盖层，所述覆盖层完全将所述缝线(1)覆盖，所述包装袋(4)为编织袋，所述覆盖层为喷涂层或热熔胶条层(2)。本实用新型相比于现有技术，极大地提升了防伪功能，避免了包装袋被非法地被回收重复使用；同时，相比于仅有缝线的封口提高了封口强度。