Refrigerator

1. A refrigerator comprising:

a storage compartment to receive cold air through a discharge port;

a storage box configured to store items; and

a cover assembly provided over the storage box,

wherein the cover assembly includes:

a cover member configured to cover an upper portion of the storage box;

a frame provided along a rim of the cover member and configured to fix the cover member to the storage compartment, the frame having an opening to communicate with the discharge port to allow the cold air to flow into the storage box;

a knob configured to be movable and disposed on a side of the frame;

a connecting member configured to be slidable inside the frame and connected to the knob;

a guide member configured to be movable inside the frame based on a movement of the knob, the guide member having a guide hole; and

an opening and closing member configured to open and close the opening of the frame based on the opening and closing member moving in a vertical direction along the guide hole of the guide member.

2. The refrigerator of claim 1 , wherein the guide member comprises:

a body having a communicator to communicate with the opening, and

the guide hole is formed in the body and inclined with respect to the storage compartment.

3. The refrigerator of claim 2 , wherein the opening and closing member comprises:

a sealing plate to open and close the opening; and

an interference protrusion formed to extend from the sealing plate toward the guide member, the interference protrusion being insertable into the guide hole and moveable along the guide hole.

4. The refrigerator of claim 2 , wherein

the opening and closing member interferes with the guide hole so that the opening and closing member is vertically moved with respect to the frame based on a horizontal movement of the guide member.

5. The refrigerator of claim 1 , wherein

the frame comprises a slit formed on a bottom surface to allow the opening and closing member to pass therethrough and to be moved to an outside of the frame.

6. The refrigerator of claim 5 , wherein

the frame further comprises a fixing rib formed at both ends of the slit and extending from the bottom surface to prevent a lateral movement of the opening and closing member.

7. The refrigerator of claim 1 , wherein the frame comprises:

an accommodating space formed by an inner wall,

an outer wall, and

a pair of partition walls to accommodate the guide member and the opening and closing member.

8. The refrigerator of claim 7 , wherein the opening of the frame comprises:

a first opening formed in the outer wall of the frame; and

a second opening formed in the inner wall of the frame.

9. The refrigerator of claim 8 , wherein

the opening and closing member is provided to be movable up and down between the guide member and the outer wall of the frame so as to open and close the first opening of the frame.

10. The refrigerator of claim 1 , wherein

the storage box further comprises a divider provided inside the storage box to divide an inside into a plurality of spaces.

11. The refrigerator of claim 10 , wherein

one of the plurality of spaces of the storage box is provided to selectively receive the cold air from the discharge port and the opening.

12. The refrigerator of claim 10 , wherein

the opening and closing member is configured to be movable up and down along a rear side of the storage box.

13. The refrigerator of claim 3 , wherein

the guide hole comprises a plurality of curved portions to allow the interference protrusion of the opening and closing member to be inserted into the guide hole to adjust an area for opening.

14. The refrigerator of claim 1 , wherein the frame comprises:

a first frame in which the connecting member, the guide member, and the opening and closing member are accommodated; and

a second frame coupled to an upper portion of the first frame.

15. The refrigerator of claim 14 , wherein

the first frame comprises a guide rib formed to extend toward the connecting member to allow the connecting member to move in contact with an inner surface of the first frame.