Combination bag

Abstract

A combination bag, includes a sling bag and a backpack with an interior space, wherein the sling bag includes: a flat-shaped and foldable bag body with a first surface and a second surface, a rigid support structure embedded within the flat-shaped bag body, symmetrically arranged along a fold line of the flat-shaped bag body; a shoulder strap attached to the flat-shaped bag body; at least two bag components positioned on the second surface of the flat-shaped bag body, for forming an independent storage compartment; and the interior space is defined by a first wall, a second wall opposite the first wall, and a continuous side wall connecting the first and second walls; wherein the first wall has an area approximately equal to that of the flat-shaped bag body, and flat-shaped bag body is detachably fixed and close contacted with the first wall by a connecting component.

What is claimed is: 
     
         1 . A combination bag, comprising:
 a sling bag, wherein the sling bag comprises:
 a flat-shaped bag body with a first surface and a second surface facing away from each other, wherein the flat-shaped bag body is foldable; 
 a rigid support structure embedded within the flat-shaped bag body, symmetrically arranged along a fold line of the flat-shaped bag body; 
 a shoulder strap attached to the flat-shaped bag body; 
 at least two bag components, wherein each of the bag components is positioned on the second surface of the flat-shaped bag body, for forming an independent storage compartment, and an opening of the independent storage compartment is located away from the fold line; 
   a backpack with an interior space, wherein the interior space is defined by a first wall, a second wall opposite the first wall, and a continuous side wall connecting the first wall and second wall;   wherein the first wall has an area approximately equal to that of the flat-shaped bag body, and flat-shaped bag body is detachably fixed within the interior space by a connecting component;
 when the flat-shaped bag body is fixed within the interior space, the first surface of the flat-shaped bag body is in close contact with the first wall. 
   
     
     
         2 . The combination bag according to  claim 1 , wherein two bag components are symmetrically positioned along the fold line. 
     
     
         3 . The combination bag according to  claim 2 , wherein the opening of the independent storage compartment is equipped with a fastening structure; and at least one bag component is further equipped with a plurality of first pockets, whose opening is located away from the fold line. 
     
     
         4 . The combination bag according to  claim 3 , wherein at least one bag component is further equipped with at least one hanging ring, and the opening of the first pocket are located adjacent to the hanging ring. 
     
     
         5 . The combination bag according to  claim 1 , wherein the flat-shaped bag body has a first edge and a second edge, which are located at the ends of the fold line;
 a first protrusion extending outward from the first edge, and a second protrusion extending outward from second edge and two ends of the shoulder strap are respectively attached to the first protrusion and the second protrusion.   
     
     
         6 . The combination bag according to  claim 5 , wherein the bag body further comprises a third protrusion paired with the first protrusion, and a fourth protrusion paired with the second protrusion;
 wherein two fastening structures are arranged between the first protrusion and the third protrusion, as well as between the second protrusion and the fourth protrusion; and   the fastening structure is configured to provide a sufficient fixing force on the first edge and the second edge, for keeping the flat-shaped bag body in a folded state.   
     
     
         7 . The combination bag according to  claim 6 , wherein a first end of the shoulder strap is attached to the first protrusion, and a second end of the shoulder strap is attached to the second protrusion, each of the third protrusion and the fourth protrusion have a ring structure for the shoulder strap to pass through. 
     
     
         8 . The combination bag according to  claim 1 , wherein when the flat-shaped bag body is unfolded, the shoulder straps wrap around edges of the flat-shaped bag body. 
     
     
         9 . The combination bag according to  claim 1 , wherein the connecting component comprises:
 a pair of magnetic bases fixed on the first wall;   a pair of magnetic buckles fixed on the first surface of flat-shaped bag body.   
     
     
         10 . The combination bag according to  claim 9 , wherein the connecting component further comprises: an elastic band; and two ends of the elastic band are fixed to the first wall;
 when the first surface of the flat-shaped bag body is in close contact with the first wall, the elastic band is looped around the fold line of the flat-shaped bag body.   
     
     
         11 . The combination bag according to  claim 1 , wherein at least a portion of a first joining edge forms a first opening of the interior space, and at least a portion of a second joining edge forms a second opening of the interior space;
 wherein the first joining edge is the joining edge between the continuous side walls and the first wall, while the second joining edge is the joining edge between the continuous side walls and the second wall.   
     
     
         12 . The combination bag according to  claim 11 , wherein the interior space has a top end and a bottom end in a vertical direction; and the first opening is located at the top end, and the second opening is located at the top end, extending a predetermined length from the top end towards the bottom end. 
     
     
         13 . The combination bag according to  claim 12 , wherein the second wall is further equipped with a second pocket, and an opening of the second pocket is adjacent to the continuous side walls. 
     
     
         14 . The combination bag according to  claim 12 , wherein the opening of the second pocket is oriented in the vertical direction, and the opening of the second pocket is equipped with a fastening structure. 
     
     
         15 . The combination bag according to  claim 1 , wherein the rigid support structure comprises two plastic sheets, that are symmetrically arranged along the fold line.