CPC F25D 17/045 (2013.01) [F25D 17/065 (2013.01)] | 16 Claims |
1. A refrigerator comprising:
a main cabinet comprising a cooling device configured to generate cold air;
a sub-cabinet detachably connected to the main cabinet;
a cold air relay duct having a cold air flow path that connects the main cabinet to the sub-cabinet to allow the cold air generated by the cooling device to be delivered to the sub-cabinet; and
a heat blocker provided in a portion of the cold air flow path at which the main cabinet and the cold air relay duct are connected and in a portion of the cold air flow path at which the sub-cabinet and the cold air relay duct are connected,
wherein the cold air flow path is formed by an inner space of a cylindrical member formed of a resin material, and
wherein the cylindrical member comprises:
a first cylindrical member forming a main flow path,
a second cylindrical member forming a sub flow path, and
a third cylindrical member forming a relay flow path.
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