A refrigerator that includes a cabinet; a storage compartment located in the cabinet; a door mounted to the cabinet and configured to open or close at least a portion of the storage compartment; a freezing compartment provided in an upper region of the cabinet; an evaporator configured to cool the f
A refrigerator that includes a cabinet; a storage compartment located in the cabinet; a door mounted to the cabinet and configured to open or close at least a portion of the storage compartment; a freezing compartment provided in an upper region of the cabinet; an evaporator configured to cool the freezing compartment; an elevating frame provided at a lower part of the freezing compartment, the elevating frame being configured to move vertically and defining an expanded freezing compartment based on the elevating frame being moved downward; and fixed frames that are secured to respective sidewalls of the storage compartment and that are configured to guide and support vertical movement of the elevating frame is disclosed.
대표청구항▼
1. A refrigerator comprising: a cabinet;a storage compartment located in the cabinet;a door mounted to the cabinet and configured to open or close at least a portion of the storage compartment;a fixed freezing compartment having a fixed capacity provided in an upper region of the cabinet;an evaporat
1. A refrigerator comprising: a cabinet;a storage compartment located in the cabinet;a door mounted to the cabinet and configured to open or close at least a portion of the storage compartment;a fixed freezing compartment having a fixed capacity provided in an upper region of the cabinet;an evaporator configured to define and cool the fixed freezing compartment;an elevating frame provided at a lower part of the fixed freezing compartment, the elevating frame being configured to move vertically and defining an expanded freezing compartment based on the elevating frame being moved downward; andfixed frames that are secured to respective sidewalls of the storage compartment and that are configured to guide and support vertical movement of the elevating frame. 2. The refrigerator according to claim 1, wherein the fixed frames provided at the respective sidewalls of the storage compartment include a pair of fixed guides, and the elevating frame includes a bottom plate portion extending from a first fixed guide to a second fixed guide in the pair of fixed guides. 3. The refrigerator according to claim 2, further comprising: a support bar pivotably provided between the elevating frame and the fixed frames, the support bar being configured to guide and support the vertical movement of the elevating frame. 4. The refrigerator according to claim 2, further comprising: a plurality of support bars pivotably provided between the elevating frame and the fixed frames, the plurality of support bars being configured to guide and support the vertical movement of the elevating frame, and each of the support bars is spaced apart from each other in a front-and-rear direction. 5. The refrigerator according to claim 4, wherein each of the plurality of support bars includes: a pivot shaft portion rotatably mounted to the bottom plate portion of the elevating frame and configured to support the bottom plate portion across a horizontal direction;support shaft portions bent from both ends of the pivot shaft portion and configured to support the bottom plate portion vertically; andmounting shaft portions bent from lower ends of the support shaft portions toward the fixed guides and connected to the fixed guides. 6. The refrigerator according to claim 5, wherein the elevating frame is configured to be moved downward relative to the fixed frames as an angle between the bottom plate portion and the support shaft portions is decreased, and the elevating frame is supported at four or more points in all directions by the plurality of support bars. 7. The refrigerator according to claim 6, wherein each fixed frame has a vertical guide groove, and the elevating frame has a guide protrusion configured to be inserted into at least one vertical guide groove to guide vertical movement of the elevating frame. 8. The refrigerator according to claim 6, wherein each fixed guide has a support rib configured to support the elevating frame based on the elevating frame being moved downward. 9. The refrigerator according to claim 2, wherein the elevating frame includes: sidewall plate portions extending upward from both side ends of the bottom plate portion; anda shelf panel connected to upper ends of the sidewall plate portions and spaced upward apart from the bottom plate portion by a certain distance. 10. The refrigerator according to claim 9, wherein the elevating frame defines a chiller chamber with the bottom plate portion, the sidewall plate portions, and the shelf panel. 11. The refrigerator according to claim 10, further comprising a drawer configured to be pushed into or pulled out of the chiller chamber. 12. The refrigerator according to claim 9, wherein the shelf panel is in contact with the evaporator based on the elevating frame being moved upward, and the expanded freezing compartment is defined between the evaporator and the shelf panel based on the elevating frame being moved downward. 13. The refrigerator according to claim 12, wherein the shelf panel is charged with a cold storage material. 14. The refrigerator according to claim 12, wherein the shelf panel is provided with a pivoting cover, and the pivoting cover is configured to pivot back and forth to open or close a front side of the expanded freezing compartment. 15. The refrigerator according to claim 14, wherein the pivoting cover is configured to slide rearward along the shelf panel based on the elevating frame being moved upward. 16. The refrigerator according to claim 1, wherein the evaporator includes an upper surface portion, a left side surface portion, and a right side surface portion, respectively defining an upper surface, a left side surface, and a right side surface of the fixed freezing compartment. 17. The refrigerator according to claim 16, wherein the evaporator further includes a rear surface portion defining a rear surface of the fixed freezing compartment. 18. The refrigerator according to claim 16, wherein the evaporator further includes a lower surface portion defining a lower surface of the fixed freezing compartment. 19. The refrigerator according to claim 18, further comprising a freezing compartment door configured to open or close the fixed freezing compartment. 20. The refrigerator according to claim 18, wherein the evaporator further includes a left extension and a right extension extending downward from the left side surface portion and the right side surface portion beyond the lower surface portion, and the left extension, the right extension, and the lower surface portion define the expanded freezing compartment based on the elevating frame being moved downward. 21. The refrigerator according to claim 18, wherein the fixed frames are respectively provided with drain grooves, and the drain grooves are located below a left extension and a right extension such that defrosting water generated by the evaporator is introduced into the drain grooves. 22. The refrigerator according to claim 18, wherein the elevating frame is provided at a rear portion of a drain groove such that defrosting water generated by the evaporator is introduced into the drain groove. 23. The refrigerator according to claim 18, wherein the evaporator is a single plate, a rear surface portion of the evaporator is bent from a rear end of the lower surface portion,the upper surface portion is bent from an upper end of the rear surface portion,the left side surface portion is bent from a left end of the upper surface portion, andthe right surface portion is bent from a right end of the upper surface portion. 24. The refrigerator according to claim 23, wherein the lower surface portion is welded at left and right ends thereof to the left side surface portion and the right side surface portion to define the fixed freezing compartment. 25. A refrigerator comprising: a cabinet having a storage compartment;a door mounted to the cabinet configured to open or close at least a portion of the storage compartment;a fixed freezing compartment having a fixed capacity defined in an upper region of the cabinet;a refrigerating compartment defined in a lower region of the cabinet;an evaporator configured to define and cool the fixed freezing compartment;an elevating frame configured to define a chiller chamber between the fixed freezing compartment and the refrigerating compartment, the elevating frame (1) provided at a lower part of the fixed freezing compartment, (2) configured to move vertically, and (3) defining an expanded freezing compartment between the fixed freezing compartment and the chiller chamber based on the elevating frame being moved downward; andfixed frames that are secured to respective sidewalls of the storage compartment and that are configured to guide and support vertical movement of the elevating frame. 26. A refrigerator comprising: a cabinet having a storage compartment, the storage compartment being divided into a fixed freezing compartment having a fixed capacity and a refrigerating compartment;a door mounted to the cabinet configured to open or close both the fixed freezing compartment and the refrigerating compartment simultaneously; anda freezing compartment assembly provided in an upper region of the cabinet separately from the refrigerating compartment,wherein the freezing compartment assembly includes:an evaporator including an open front side, a left side surface portion, a right side surface portion, and a lower surface portion, the evaporator defining and cooling the fixed freezing compartment;an elevating frame provided below the lower surface portion, the elevating frame configured to move vertically and defining an expanded freezing compartment based on the elevating frame being moved downward; andfixed frames that are secured to respective sidewalls of the storage compartment and that are configured to guide and support vertical movement of the elevating frame, the fixed frames defining a space for vertical movement of the elevating frame therein. 27. The refrigerator according to claim 26, wherein the evaporator further includes an upper surface portion, and the fixed freezing compartment has a cuboidal inner space such that a front side of the fixed freezing compartment is open. 28. The refrigerator according to claim 27, wherein the evaporator includes a left extension and a right extension extending downward from lower ends of the left side surface portion and the right side surface portion, and wherein the left extension and the right extension are connected respectively to the fixed frames provided in both sides of the storage compartment. 29. The refrigerator according to claim 28, wherein each fixed frame is provided on an upper surface of a drain groove, and the drain groove is configured to receive defrosting water introduced from the left extension or the right extension. 30. The refrigerator according to claim 27, wherein the elevating fame includes: a bottom plate portion extending from one fixed frame to the remaining fixed frame;a shelf plate spaced upward apart from the bottom plate portion configured to define a chiller chamber between the shelf plate and the bottom plate;a left sidewall plate portion and a right sidewall plate portion provided to connect both ends of the bottom plate portion and the shelf plate to each other; anda drawer configured to be pulled into or pushed out of the chiller chamber. 31. The refrigerator according to claim 30, wherein the freezing compartment assembly further includes a support bar pivotably provided between the elevating frame and the fixed frames, the support bar having a support shaft portion configured to support the elevating frame while moving the elevating frame downward as an angle between the bottom plate portion and the support shaft portion is decreased from a right angle to a certain angle, the support shaft portion forming support points arranged to support at least four locations, including front and rear locations and left and right locations, of the elevating frame.
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