Structure of a bag

Abstract

A bag structure with a bag body having an accommodation space inside; a first flap and a second flap provided between a front surface of the bag body and a rear surface of the bag body; a first end portions of the first flap and the second flap are formed integrally with a bottom surface of the bag body; the first flap is detachably connected with the rear surface and the front surface of the bag body a first zipper and a second zipper respectively; the second flap is detachably connected with the front surface of the bag body and the rear surface of the bag body through a third zipper and a fourth zipper respectively; a second end portion of the first flap is removably connected with a second end portion of the second flap.

What is claimed is: 
     
         1 . A structure of a bag, comprising a bag body; a first flap and a second flap are provided between a front surface of the bag body and a rear surface of the bag body; a first end portion of the first flap is formed integrally with a bottom surface of the bag body; a first end portion of the second flap is also formed integrally with the bottom surface of the bag body; the first flap and the rear surface of the bag body are detachably connected through a first zipper; the first flap and the front surface of the bag body are detachably connected through a second zipper; the second flap and the front surface of the bag body is detachably connected through a third zipper; the second flap and the rear surface of the bag body are detachably connected through a fourth zipper; a second end portion of the first flap is removably connected with a second end portion of the second flap. 
     
     
         2 . The structure of the bag of  claim 1 , wherein a first connecting strip is provided to connect a zipper head of the first zipper and a zipper head of the second zipper, and a second connecting strip is provided to connect a zipper head of the third zipper and a zipper head of the fourth zipper. 
     
     
         3 . The structure of the bag of  claim 2 , wherein when the first flap closes against the front surface and the rear surface of the bag body, and the second flap closes against the front surface and the rear surface of the bag body, the second end portion of the first flap passes under the first connecting strip and the second connecting strip. 
     
     
         4 . The structure of the bag of  claim 3 , wherein each of the first connecting strip and the second connecting strip has an arc shape. 
     
     
         5 . The structure of the bag of  claim 1 , wherein the second end portion of the first flap and the second end portion of the second flap are removably connected to each other through hook and loop fasteners. 
     
     
         6 . The structure of the bag of  claim 1 , also comprising at least one carrying strap removably connected to the bag body; said at least one carrying strap comprises one or two carrying straps. 
     
     
         7 . The structure of the bag of  claim 6 , wherein when only one carrying strap is provided, two ends of the carry strap are connected to the front surface and the rear surface of the bag body respectively. 
     
     
         8 . The structure of the bag of  claim 6 , wherein when two carrying straps are provided, the two carrying straps are fixed to the rear surface of the bag body and are arranged spaced apart from each other. 
     
     
         9 . The structure of the bag of  claim 6 , wherein each carrying strap is adjustable in length.