AIRBAG STRUCTURE
The present invention relates to an airbag structure comprising an airbag with multiple straight walls defining a hermetic interior; a plurality of baffles received in the interior of the airbag and a plurality of valves for communicating the interior with an air supply. Thus, contact area between the airbags and the human body is widely good,and the shape of the airbag structure of the mattress results in good comfort for a bed patient.
1 . An airbag structure comprises:
an airbag with multiple straight walls defining a hermetic interior;
a plurality of baffles received in the interior of the airbag; and
a plurality of valves for communicating the interior with an air supply.
2 . The airbag structure as recited in claim 1 , wherein the airbag is configured as a rectangular prism with four contiguous long side walls and two opposed end walls connected to respective ends of the long side walls.
3 . The airbag structure as recited in claim 1 , wherein the plurality of baffles are configured as a single jointed cruciform, extends along the interior of the airbag, and distal edges of the plurality of baffles are securely connected to an interior periphery of a respective one of the long side walls.
4 . The airbag structure as recited in claim 3 , wherein the plurality of baffles comprise four belts each joined to the others at a first long edge thereof.