1. A refrigeration device, comprising:a housing having an inner liner and a lower housing plate, a beam with a bottom wall connected to said lower housing plate and a front wall connected to said inner liner;
a thermal insulation material formed by foaming between said lower housing plate and said inner liner; and
a reinforcing member affixed on said beam for enhancing a strength of said bottom wall, said reinforcing member being disposed between said bottom wall and said inner liner; and
said reinforcing member and said front wall being disposed to form a cavity therebetween, and having the thermal insulation material filled in said cavity between said reinforcing member and said front wall.