Self-sealing plastic packaging bag

Abstract

The utility model discloses a self-sealing plastic packaging bag, which relates to the field of plastic packaging bags and comprises a packaging bag body, the top end of the packaging bag body is symmetrically glued with two groups of rubber plates through glue, the middle position of the rubber plate on one side is fixedly connected with a first holding ring, and the outer wall of the top end of the rubber plate on the other side is fixedly connected with a second holding ring. An inserting ring is fixedly connected to the middle of the second holding ring, and two sets of clamping strips are symmetrically and fixedly connected to the outer walls of the two sides of the inserting ring. Food materials are firstly placed in the packaging bag body, then the zipper is pulled to connect the packaging bag body, then the second holding ring is aligned with the second holding ring, the inserting ring is aligned with the inner wall of the first holding ring to be inserted, meanwhile, the two sets of clamping strips are squeezed, and when the inserting ring is inserted into a preset position, the bag body is connected with the packaging bag body. And the clamping strip rebounds to connect and fix the first holding ring and the second holding ring, so that the sealing strip at the opening of the packaging bag body is prevented from being opened, and the sealing strength of the sealing strip is guaranteed.

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