Portable diaper changing pad

Abstract

A portable diaper changing pad comprises a body portion as well as a first portion, a second portion, a third portion, and a fourth portion that are connected to the body portion together. In a used state, the changing pad is completely unfolded, and the first, second, third and fourth portions are respectively disposed on four sides of the body portion, such that a baby can lie thereon. The first and second portions, and the third and fourth portions serve as two groups of two opposite portions. In a carried state, the changing pad is completely folded, and under an action of connection of a first connecting structure and a second connecting structure that are respectively disposed on two opposite positions in at least one group, the two portions are connected together, such that the changing pad can be kept in the carried state without spreading.

What is claimed is: 
     
         1 . A portable diaper changing pad, wherein the portable diaper changing pad has a used state and a carried state; the portable diaper changing pad comprises a body portion as well as a first portion, a second portion, a third portion, and a fourth portion that are respectively disposed on four sides of the body portion in the used state; the first portion and the second portion serve as one group of two opposite portions; the third portion and the fourth portion serve as another group of two opposite portions; in the two groups of two opposite portions, a first connecting structure and a second connecting structure are respectively disposed on the two opposite portions in at least one of the two groups; and when the portable diaper changing pad is folded to the carried state, the two opposite portions arranged with the first and second connecting structures are connected through connection of the first connecting structure and the second connecting structure, and configured to keep the portable diaper changing pad in the carried state. 
     
     
         2 . The portable diaper changing pad according to  claim 1 , wherein when the portable diaper changing pad is in the carried state, one group of two opposite portions are located at an outer side with respective to another group of two opposite portions; and the first connecting structure and the second connecting structure are respectively located on the two opposite portions located at the outer side. 
     
     
         3 . The portable diaper changing pad according to  claim 2 , wherein when the portable diaper changing pad is in the carried state, the two opposite portions located at an inner side are a first expansion portion and a second expansion portion respective, while the two opposite portions located at the outer side are a first storage portion and a second storage portion respectively; and the first storage portion and the second storage portion are configured to store an article. 
     
     
         4 . The portable diaper changing pad according to  claim 1 , wherein the first connecting structure has a first acting surface facing the second connecting structure when connected to the second connecting structure; the second connecting structure has a second acting surface facing the first connecting structure when connected to the first connecting structure; and in the used state, the first acting surface and the second acting surface are respectively located at a front side and a rear side of the portable diaper changing pad. 
     
     
         5 . The portable diaper changing pad according to  claim 1 , wherein the first connecting structure and the second connecting structure each are located at an end of a respective portion close to the body portion. 
     
     
         6 . The portable diaper changing pad according to  claim 1 , wherein there are at least two first connecting structures and at least two second connecting structures; the at least two first connecting structures are spaced apart along a length direction of the respective portion; and the at least two second connecting structures are spaced apart along a length direction of the respective portion. 
     
     
         7 . The portable diaper changing pad according to  claim 1 , wherein there is one first connecting structure and one second connecting structure; and the first connecting structure and the second connecting structure each are located at a middle of the respective portion in a length direction. 
     
     
         8 . The portable diaper changing pad according to  claim 1 , wherein the first connecting structure and the second connecting structure each are a snap fastener. 
     
     
         9 . The portable diaper changing pad according to  claim 1 , wherein the first connecting structure and the second connecting structure each are a hook-and-loop fastener. 
     
     
         10 . The portable diaper changing pad according to  claim 1 , wherein the first connecting structure is a buttonhole, and the second connecting structure is a button. 
     
     
         11 . The portable diaper changing pad according to  claim 1 , wherein a fixing strap is further disposed on an outermost portion in the carried state; a third connecting structure is disposed on the fixing strap; a fourth connecting structure is further disposed on the body portion; and in the carried state, the third connecting structure on the fixing strap is connected to the fourth connecting structure on the body portion. 
     
     
         12 . The portable diaper changing pad according to  claim 1 , wherein a hanging cord is further disposed on an outermost portion in the carried state; a fifth connecting structure and a sixth connecting structure are disposed on the hanging cord; and after the fifth connecting structure and the sixth connecting structure are connected, the hanging cord is loop-shaped. 
     
     
         13 . A portable diaper changing pad, comprising:
 a body portion, a first portion, a second portion, a third portion, a fourth portion, a first connecting structure, and a second connecting structure, wherein the first connecting structure is disposed on the first portion; the second connecting structure is disposed on the second portion; and the first portion and the second portion are configured to store an article;   the portable diaper changing pad has a used state and a folded state;   in the used state, the third portion and the fourth portion are respectively located at a front side and a rear side of the body portion, the third portion, the fourth portion and the body portion define a working region, the working region is configured to support a baby, and the first portion and the second portion are respectively located at a left side and a right side of the body portion;   the folded state comprises a first state, a second state, and a carried state that are progressive in sequence;   in the first state, the third portion and the fourth portion are vertically overlain on the body portion, and the second portion is located on the third portion, the fourth portion and the body portion;   in the second state, the second portion is sandwiched between folded halves of the body portion in an up-down direction, and in a left-right direction, the second portion is located beside the first portion, the first connecting structure is connected to the second connecting structure, and the second portion and the first portion are connected through connection of the first connecting structure and the second connecting structure; and   in the carried state, the first portion is located on the body portion, and the portable diaper changing pad is completely folded.   
     
     
         14 . The portable diaper changing pad according to  claim 13 , wherein the first connecting structure is disposed at an inner side of the first portion; and the second connecting structure is disposed at an outer side of the second portion. 
     
     
         15 . The portable diaper changing pad according to  claim 13 , wherein the first connecting structure is disposed at an end of the first portion close to the body portion; and the second connecting structure is disposed at an end of the second portion close to the body portion. 
     
     
         16 . The portable diaper changing pad according to  claim 13 , wherein the first connecting structure and the second connecting structure each are a snap fastener. 
     
     
         17 . The portable diaper changing pad according to  claim 13 , wherein a fixing strap is further disposed on the first portion; a third connecting structure is disposed on the fixing strap; a fourth connecting structure is further disposed on the body portion; and in the carried state, the third connecting structure on the fixing strap is connected to the fourth connecting structure on the body portion. 
     
     
         18 . The portable diaper changing pad according to  claim 13 , wherein a hanging cord is further disposed on the first portion; a fifth connecting structure and a sixth connecting structure are disposed on the hanging cord; and after the fifth connecting structure and the sixth connecting structure are connected, the hanging cord is loop-shaped.