Air Mattress and Bed

Abstract

The air mattress includes: upper sheet, lower sheet and annular side wall sheets, wherein the edges of the upper sheet are connected with the upper edges of the side wall sheets, the edges of the lower sheet are connected with the lower edges of the side wall sheets to form main air cavity; the inner surface of side wall sheet is fixed with annular side wall belt, the side wall belt and the upper sheet are connected by first support belt, the side wall belt and the lower sheet are connected by second support belt, and the side wall belt and the side wall sheet are fixedly connected by third support belt and fourth support belt, respectively; and annular first chamber consistent with the extending direction of the side wall sheet is formed in the side wall belt. The bed includes the air mattress.

What is claimed is: 
     
         1 . An air mattress, comprising an upper sheet, a lower sheet and an annular side wall sheet,
 wherein an edge of the upper sheet is connected with an upper edge of the side wall sheet, and an edge of the lower sheet is connected with an lower edge of the side wall sheet to form a main air cavity;   an annular side wall belt is fixed at an inner surface of the side wall sheet, the side wall belt and the upper sheet are connected by a first support belt, the side wall belt and the lower sheet are connected by a second support belt, and the side wall belt and the side wall sheet are fixedly connected by a third support belt and a fourth support belt, respectively; and   an annular first chamber consistent with an extending direction of the side wall sheet is formed in the side wall belt, and a section of the annular first chamber is in O-shape.   
     
     
         2 . The air mattress according to  claim 1 , wherein an annular second chamber is formed by the first support belt, the upper sheet, the side wall sheet, the third support belt and the side wall belt. 
     
     
         3 . The air mattress according to  claim 1 , wherein an annular third chamber is formed by the third support belt, the side wall sheet, the fourth support belt and the side wall belt. 
     
     
         4 . The air mattress according to  claim 1 , wherein an annular fourth chamber is formed by the fourth support belt, the side wall sheet, the second support belt and the side wall belt. 
     
     
         5 . The air mattress according to  claim 1 , wherein a plurality of vertical pulling ribs are provided between the upper sheet and the lower sheet, wherein two ends of each of the vertical pulling ribs are respectively connected with the upper sheet and the lower sheet, and the plurality of vertical pulling ribs are distributed in an array. 
     
     
         6 . The air mattress according to  claim 5 , wherein a heating element for conducting heat into the main air cavity is provided in the annular first chamber. 
     
     
         7 . The air mattress according to  claim 5 , wherein the annular first chamber is filled with a self-heating material or a heat preservation material. 
     
     
         8 . The air mattress according to  claim 5 , wherein the vertical pulling ribs are rubber support belts or plastic support belts. 
     
     
         9 . The air mattress according to  claim 8 , wherein each of the vertical pulling ribs comprises a TPU material layer and a cloth material layer. 
     
     
         10 . A bed, comprising the air mattress according to  claim 1 . 
     
     
         11 . The air mattress according to  claim 2 , wherein a plurality of vertical pulling ribs are provided between the upper sheet and the lower sheet, wherein two ends of each of the vertical pulling ribs are respectively connected with the upper sheet and the lower sheet, and the plurality of vertical pulling ribs are distributed in an array. 
     
     
         12 . The air mattress according to  claim 3 , wherein a plurality of vertical pulling ribs are provided between the upper sheet and the lower sheet, wherein two ends of each of the vertical pulling ribs are respectively connected with the upper sheet and the lower sheet, and the plurality of vertical pulling ribs are distributed in an array. 
     
     
         13 . The air mattress according to  claim 4 , wherein a plurality of vertical pulling ribs are provided between the upper sheet and the lower sheet, wherein two ends of each of the vertical pulling ribs are respectively connected with the upper sheet and the lower sheet, and the plurality of vertical pulling ribs are distributed in an array.