Check valve and refrigerator having same

A refrigerator comprising:

• a main body comprising a freezing compartment and a refrigerating compartment;
• a compressor;
• a condenser;
• a first evaporator provided in the freezing compartment and configured to cool the freezing compartment;
• a second evaporator provided in the refrigerating compartment and configured to cool the refrigerating compartment;
• an outlet pipe connected to an outlet of the first evaporator and configured to transfer a refrigerant passing through the first evaporator to the compressor;
• and
• a check valve provided in the outlet pipe and configured to prevent backflow from the outlet pipe to the first evaporator,
• wherein the check valve comprises:
• a valve housing comprising an inlet, an outlet, and a guide channel through which the refrigerant flows;
• and
• a core configured to move back and forth in the valve housing to allow a flow of the refrigerant from the inlet to the outlet and to block a flow of the refrigerant from the outlet to the inlet,
• wherein the valve housing comprises a side opening on a side surface of the valve housing, and
• wherein at least a portion of the core is received in the guide channel of the valve housing through the side opening.