Refrigerator

Abstract

The present disclosure relates to a refrigerator, and the refrigerator includes a cabinet provided with an evaporator and having a storage space; a door configured to open and close the storage space; an ice-making compartment provided at the door and supplied with cold air from the evaporator; and an ice maker provided in the ice-making compartment, in which the ice maker includes a first tray made of a metal material and having a plurality of first cells; a second tray movably mounted relative to the first tray and having a plurality of second cells that is in contact with the first cells to form a space where ice is made; a drive part configured to move the second tray; and a cover mounted on the first tray and forming a cold air flow passage passing on the first tray, and the cover is in communication with a cold air inlet formed in the ice-making compartment and guides cold air into the cold air flow passage.

What is claimed is: 
     
         1 . A refrigerator comprising:
 a cabinet provided with an evaporator and having a storage space;   a door configured to open and close the storage space;   an ice-making compartment provided at the door and supplied with cold air from the evaporator; and   an ice maker provided in the ice-making compartment,   wherein the ice maker includes,   a first tray made of a metal material and having a plurality of first cells;   a second tray movably mounted relative to the first tray and having a plurality of second cells that is in contact with the first cells to form a space where ice is made;   a drive part configured to move the second tray; and   a cover mounted on the first tray and forming a cold air flow passage passing on the first tray, and   wherein the cover is in communication with a cold air inlet formed in the ice-making compartment and guides cold air into the cold air flow passage.   
     
     
         2 . The refrigerator of  claim 1 ,
 wherein the plurality of first cells are disposed in an inner area of the cold air flow passage.   
     
     
         3 . The refrigerator of  claim 1 ,
 wherein the cover includes a cold air guide part configured to guide cold air flowing in to pass through an upper portion of the first cell.   
     
     
         4 . The refrigerator of  claim 3 ,
 wherein the cold air guide part includes,   a guide surface extending from one end of the cover and having a slope that decreases toward the first cell; and   an edge of the guide part extending along a perimeter of the guide surface and coupled to an upper surface of the first tray.   
     
     
         5 . The refrigerator of  claim 3 , further comprising:
 a duct part extending from one end of the cover to an inner surface of the ice-making compartment and communicating the cold air guide part and the cold air inlet.   
     
     
         6 . The refrigerator of  claim 5 ,
 wherein a cover discharge port through which cold air passing through the cold air flow passage is discharged to the outside of the ice maker is formed in the cover, and   wherein the cover discharge port opens in a direction crossing the extension direction of the duct part.   
     
     
         7 . The refrigerator of  claim 4 ,
 wherein a water supply part which extends upward and through which water is supplied from a water supply pipe is provided in the cover, and   wherein a water supply port that opens toward a cell extension part in communication with the first cell and supplies water from the water supply part to the first cell is provided in the water supply part.   
     
     
         8 . The refrigerator of  claim 7 ,
 wherein the bottom surface of the water supply part is formed by the guide surface, and   wherein the water supply port is formed at the lowest position of the guide surface.   
     
     
         9 . The refrigerator of  claim 7 ,
 wherein the water supply part is formed with a water supply guide part extending downwardly through the cover, and   wherein the water supply port is formed at the lower end of the water supply guide part.   
     
     
         10 . The refrigerator of  claim 9 ,
 wherein a coupling groove into which an end portion of the water supply guide part is inserted is formed in the cell extension part.   
     
     
         11 . The refrigerator of  claim 1 ,
 wherein the first tray includes a plurality of cell extension parts which is in communication with the plurality of first cells and extends upward, and   wherein a first ejector configured to move in the vertical direction to pass through the cell extension part to separate ice from the first cell is provided above the first tray.   
     
     
         12 . The refrigerator of  claim 11 ,
 wherein the plurality of cell extension parts extend in a vertical direction to pass through the cold air flow passage.   
     
     
         13 . The refrigerator of  claim 12 ,
 wherein the plurality of cell extension parts are disposed in a plurality of rows, and   wherein the cell extension parts spaced apart from each other in the front and rear rows, respectively, are disposed in a staggered manner.   
     
     
         14 . The refrigerator of  claim 12 ,
 wherein a pair of flat parts extending parallel to each other is provided on an outer surface of the cell extension part.   
     
     
         15 . The refrigerator of  claim 11 ,
 wherein a cover part spaced apart from the upper surface of the first tray to form the cold air flow passage is formed in the cover, and   wherein a cover hole into which the upper end of the cell extension part is inserted is formed in the cover part.   
     
     
         16 . The refrigerator of  claim 15 ,
 wherein the open upper surface of the cell extension part is exposed upwardly to the cover part.   
     
     
         17 . The refrigerator of  claim 11 ,
 wherein the cover includes,   cover sides forming both sides of the cover; and   a rear surface of the cover connecting the sides of the cover on the both sides,   wherein the first ejector is accommodated between the side of the cover and the rear surface of the cover, and   wherein an ejector guide part configured to guide the vertical movement of the first ejector is formed on a side of the cover.   
     
     
         18 . The refrigerator of  claim 17 ,
 wherein the first ejector includes,   an ejector body passing through the ejector guide part formed in a vertical direction and moving along the ejector guide part; and   a first fin extending downward from the ejector body and inserted into the cell extension part when the ejector body is lowered to separate ice.   
     
     
         19 . The refrigerator of  claim 1 ,
 wherein the door is a refrigerating compartment door configured to shield the refrigerating compartment formed in the cabinet, and   wherein the ice-making compartment is formed to be insulated from the refrigerating compartment.   
     
     
         20 . The refrigerator of  claim 1 ,
 wherein an ice bank is provided in the ice-making compartment to store spherical ice made by the ice maker, and   wherein a dispenser configured to extract the spherical ice stored in the ice bank is provided on the front surface of the door.