Sealing bag

Abstract

The present application relates to the technical field of storage devices, in particular to a sealing bag comprising: a bag body, an opening portion provided on the bag body, and a convex strip provided around the outer periphery of the opening portion; and a sealing member provided with a sealing groove, the sealing groove being provided with a stopper, wherein the sealing groove at least penetrates one side of the sealing member to form a first sealing opening, the convex strip can penetrate into the sealing groove from the first sealing opening, and the stopper is configured to confine the opening portion within the sealing groove, the groove width of the sealing groove gradually increases from the bottom of the sealing groove towards the direction of the stopper. Compared with the prior art, the sealing bag provided by the present application is more convenient to mount and disassemble the sealing piece.

1 . A sealing bag characterized by comprising:
 a bag body, an opening portion provided on the bag body, and a convex strip provided around the outer periphery of the opening portion; and   a sealing member provided with a sealing groove, the sealing groove being provided with a stopper,   wherein the sealing groove at least penetrates one side of the sealing member to form a first sealing opening, the convex strip can penetrate into the sealing groove from the first sealing opening, and the stopper is configured to confine the opening portion within the sealing groove,   the groove width of the sealing groove gradually increases from the bottom of the sealing groove towards the direction of the stopper.   
     
     
         2 . The sealing bag according to  claim 1 , characterized in that the sealing bag comprises: a bottom wall and a first groove wall and a second groove wall respectively connected to the bottom wall, and the stopper is separately provided on the first groove wall and the second groove wall,
 the distance between the first groove wall and the second groove wall gradually increases from the direction of the bottom wall to the direction of the stopper.   
     
     
         3 . The sealing bag according to  claim 2 , characterized in that the angle of the first groove wall to the bottom wall is between 92° and 100°. 
     
     
         4 . The sealing bag according to  claim 3 , characterized in that the angle of the first groove wall to the bottom wall is between 94° and 98°. 
     
     
         5 . The sealing bag according to  claim 2 , characterized in that the stopper comprises:
 a first stopping strip provided on the first groove wall and extending in the direction of the second groove wall; and   a second stopping strip provided on the second groove wall facing the first stopping strip and extending in the direction of the second groove wall.   
     
     
         6 . The sealing bag according to  claim 5 , characterized in that the angle between the first stopping strip and the first groove wall is between 90° and 95°. 
     
     
         7 . The sealing bag according to  claim 1 , characterized in that the bag body further comprises:
 a sealing strip provided on one side of the inner surface of the opening portion and arranged along the longitudinal direction of the bag body; and   a sealing groove provided on the other side of the inner surface of the opening portion and arranged along the longitudinal direction of the bag body,   wherein the sealing strip is fitted into the sealing groove to form a seal;   the sealing strip and the sealing groove are engaged with each other, and the groove bottom width of the sealing groove is at least partially greater than the groove top width of the sealing groove.   
     
     
         8 . The sealing bag according to  claim 1 , characterized in that the bag body is made of flexible materials and the bag body further comprises:
 a bag bottom wall and a bag sidewall connected to the bag bottom wall, the opening portion being provided on the bag sidewall;   the perimeter of the opening portion is smaller than the perimeter of the bag bottom wall.   
     
     
         9 . The sealing bag according to  claim 8 , characterized in that the hardness of the bag bottom wall is greater than the hardness of the bag sidewall so that the bottom of the bag body tends to maintain the shape of the bag bottom wall itself;
 the hardness of the opening portion is greater than the hardness of the bag sidewall so that the opening of the bag body tends to be maintained in the strip shape of the convex strip.   
     
     
         10 . The sealing bag according to  claim 8 , characterized in that the ratio of the perimeter of the opening portion to the perimeter of the bottom wall of the bag is in the range of 1:1.2 to 1:1.4. 
     
     
         11 . The sealing bag according to  claim 8 , characterized in that the convex strip is arranged in the longitudinal direction of the bag bottom wall as two strips opposite and connected end-to-end with each other.