Portable inflatable sofa

Abstract

A portable inflatable sofa is provided. The portable inflatable sofa comprises a sofa body made of a drop-stitch air cushion material, wherein the sofa body is formed by folding a one-piece cut structure; the sofa body is divided by folds into a backrest portion, a seat cushion portion, and armrest portions on two sides; and the backrest portion and the armrest portions can be folded up to be in a state relatively perpendicular to the seat cushion portion. The inflatable sofa further comprises a connection strap, and the backrest portion is connected to the armrest portions on the two sides by means of the connection strap.

What is claimed is: 
     
         1 . A portable inflatable sofa, comprising a sofa body made of a drop-stitch air cushion material,
 wherein the sofa body is formed by folding an integrally-cut structure, the sofa body is divided by folds into a backrest portion, a seat cushion portion, and armrest portions on two sides, and the backrest portion and the armrest portions are configured to be folded upwards to form a state of being relatively perpendicular to the seat cushion portion; and the inflatable sofa further comprises a connection strap, wherein the backrest portion is connected to the armrest portions on the two sides through the connection strap.   
     
     
         2 . The portable inflatable sofa according to  claim 1 , wherein the sofa body comprises a drop-stitch fabric layer, an airtight coating layer, a fusion layer, and a polyvinyl chloride film layer in sequence from inside to outside, a cutting opening of the drop-stitch fabric layer is sealed by an edge sealing strip, a decorative strip is arranged on an outer side of the edge sealing strip, and the decorative strip is bonded to the polyvinyl chloride film layer on an upper side and a lower side, respectively. 
     
     
         3 . The portable inflatable sofa according to  claim 2 , wherein an arc-shaped transition opening is formed at a corner joint between the backrest portion and the armrest portion and the arc-shaped transition opening is concave inward, and a decorative strip at the arc-shaped transition opening is made of an elastic material or a pleated material. 
     
     
         4 . The portable inflatable sofa according to  claim 2 , wherein the sofa body further comprises a memory elastic sheet, and the memory elastic sheet is arranged at a joint between the armrest portion and the seat cushion portion, so that after the armrest portion is folded, the armrest portion is in a state of being relatively perpendicular to the seat cushion portion; and/or
 the memory elastic sheet is arranged at a joint between the backrest portion and the seat cushion portion, so that after the backrest portion is folded, the backrest portion is in a state of being relatively perpendicular to the seat cushion portion.   
     
     
         5 . The portable inflatable sofa according to  claim 4 , wherein a first memory elastic sheet is arranged between the armrest portion on one side and the seat cushion portion, and a second memory elastic sheet is arranged between the armrest portion on another side and the seat cushion portion; the first memory elastic sheet and the second memory elastic sheet extend to at least ½ of a height of the corresponding armrest portion; and/or
 the first memory elastic sheet and the second memory elastic sheet are arranged in a staggered manner, one end of the first memory elastic sheet and one end of the second memory elastic sheet extend to at least ½ of a width of the seat cushion portion, and another ends thereof extend to at least ½ of a height of the corresponding armrest portion. 
 
     
     
         6 . The portable inflatable sofa according to  claim 4 , wherein a protective layer is arranged at an outer side of the memory elastic sheet, and the protective layer is fixed to an inner side of the polyvinyl chloride film layer. 
     
     
         7 . The portable inflatable sofa according to  claim 1 , wherein the connection strap comprises a first connection section arranged on the armrest portion on one side and a second connection section arranged on the armrest portion on another side, the first connection section is detachably connected to the second connection section through an insert buckle, and the first connection section and the second connection section comprise an adjustment strap and an adjustment buckle, respectively. 
     
     
         8 . The portable inflatable sofa according to  claim 1 , wherein the connection strap is an elastic adjustment strap. 
     
     
         9 . The portable inflatable sofa according to  claim 1 , wherein a non-slip wear pad is arranged on a lower end surface of the seat cushion portion. 
     
     
         10 . The portable inflatable sofa according to  claim 1 , wherein a D-shaped ring and a elastic pocket are arranged on an outer side of the armrest portion; and
 a top end of the backrest portion is provided with a handle.