A cool air supply structure of a storage receptacle for a refrigerator, which includes a main body having a storage space provided therein and a door for selectively opening or closing the storage space, the cool air supply structure, comprising: one or more receptacle casings detachably installed i
A cool air supply structure of a storage receptacle for a refrigerator, which includes a main body having a storage space provided therein and a door for selectively opening or closing the storage space, the cool air supply structure, comprising: one or more receptacle casings detachably installed into the storage space and having a mounting space provided therein so that a storage receptacle is moved into or out of the mounting space; and a channel provided in each of the receptacle casings so that cool air flows in the channel, wherein food received in the storage receptacle is indirectly cooled by the cool air flowing in the channel. According to the present invention, the food received in the storage receptacle of a refrigerator can be kept fresh with a simple configuration.
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1. A cool air supply structure of a storage receptacle for a refrigerator, the refrigerator including a main body having a storage space provided therein and a door for selectively opening or closing the storage space, the cool air supply structure comprising: at least one receptacle casing detachab
1. A cool air supply structure of a storage receptacle for a refrigerator, the refrigerator including a main body having a storage space provided therein and a door for selectively opening or closing the storage space, the cool air supply structure comprising: at least one receptacle casing detachably installed into the storage space, the at least one receptacle casing having a mounting space provided therein for allowing a storage receptacle to be movable into and out of the mounting space, the at least one receptacle casing being defined by an upper casing and a lower casing; anda channel provided in the at least one receptacle casing so that cool air flows in the channel,wherein the lower casing is free of the channel for cooling air,wherein the receptacle casing includes the lower casing formed in the shape of a box with a front face and an upper portion opened, the upper casing formed in the shape of a box with a lower portion opened and fixed to a top end of the lower casing, and an inner plate fixed to an interior of the lower casing corresponding to a lower portion of the upper casing,wherein the channel is defined by an upper surface and both side surfaces of the upper casing and an upper surface of the inner plate, andwherein insertion slots are respectively provided in top ends of both inner sides of the lower casing to extend in a fore and aft direction, each insertion slot projecting out from a surface of each corresponding inner side, and both side ends of the inner plate are inserted into the insertion slots, whereby the lower casing and the inner plate are fixed to each other. 2. The cool air supply structure as claimed in claim 1, further comprising a storage receptacle located in the mounting space to be moved into and out of the mounting space, the storage receptacle having a receiving space defined therein to store food, wherein food received in the storage receptacle is indirectly cooled by the cool air flowing in the channel. 3. The cool air supply structure as claimed in claim 1, further comprising a cool air guide for guiding the cool air flowing in the channel. 4. The cool air supply structure as claimed in claim 3, wherein the cool air guide guides the cool air introduced into the channel to flow in a front end portion of the channel and be discharged out of the channel. 5. The cool air supply structure as claimed in claim 4, wherein the cool air guide extends toward the outside of the channel to pass through a cool air inlet and a cool air outlet provided in the rear surface of the receptacle casing. 6. The cool air supply structure as claimed in claim 1, wherein the front face includes an opening. 7. The cool air supply structure as claimed in claim 6, further comprising a cool air guide for guiding the cool air flowing in the channel. 8. The cool air supply structure as claimed in claim 7, wherein the cool air guide is formed integrally with the upper surface of the inner plate, whereby a top end of the cool air guide is brought into contact with an inside upper surface of the upper casing. 9. The cool air supply structure as claimed in claim 8, wherein the cool air guide guides the cool air introduced into the channel to flow in a front end portion of the channel and then to be discharged out of the channel. 10. The cool air supply structure as claimed in claim 9, wherein the cool air guide extends to pass through a cool air inlet and a cool air outlet provided in the rear surface of the receptacle casing. 11. The cool air supply structure as claimed in claim 6, wherein at least one catching slot is provided in any one of the lower casing and the upper casing, at least one catching protrusion is provided on the other one of the lower casing and the upper casing, and the catching protrusion is inserted into the catching slot in a state where the upper casing is placed on the top end of the lower casing, whereby the lower casing and the upper casing are fixed to each other. 12. The cool air supply structure as claimed in claim 11, wherein the catching slot is formed by cutting a portion of at least one guide protrusion provided on the top end of the lower casing to be opened rearwards, and the catching protrusion extends outward from each of both side ends of the upper casing. 13. The cool air supply structure as claimed in claim 1, further comprising a guide means for guiding the storage receptacle that is moved into or out of the mounting space. 14. The cool air supply structure as claimed in claim 13, wherein the guide means includes: support rollers respectively provided at front ends of both inner sides of the at least one receptacle casing to guide movement of guide ribs provided on both outer side surfaces of the storage receptacle while the storage receptacle is moved into or out of the mounting space; andguide rails respectively provided on both inner side surfaces of the at least one receptacle casing at positions corresponding to rears of the support rollers so that the guide ribs guided by means of the support rollers slide thereon. 15. The cool air supply structure as claimed in claim 14, wherein the guide rails include: upper guide rails horizontally extending on both the inner side surfaces of the at least one receptacle casing; andlower guide rails horizontally extending on both the inner side surfaces of the at least one receptacle casing to be downwardly spaced apart from bottom surfaces of the upper guide rails. 16. The cool air supply structure as claimed in claim 15, wherein the guide rail further includes an inclined guide section extending forward from a leading end of the upper guide rail to be inclined upward to guide sliding of the guide rib while the storage receptacle is received in the mounting space. 17. The cool air supply structure as claimed in claim 16, wherein the guide rail further includes at least one reinforcing rib provided on an upper surface of the upper guide rail and a lower surface of the lower guide rail to reinforce the upper and lower guide rails. 18. A refrigerator comprising: a main body having a storage space provided therein, the storage space including a freezing chamber and a refrigerating chamber;a door to selectively open and close the storage space;a cool air duct provided in a center of a rear portion of the refrigerating chamber to transfer cool air to the refrigerating chamber, the cool air duct including one or more cool air supply holes functioning as an inlet for transferring the cool air to the refrigerating chamber;at least one receptacle casing having a mounting space provided therein, the at least one receptacle casing being defined by an upper casing, an inner plate and a lower casing, the lower casing having a top opening and a front opening, the inner plate including a rim, and the upper casing being assembled to the lower casing;an insertion slot provided at an edge portion of a top portion of the lower casing, the rim of the inner plate being detachably inserted into the insertion slot,a channel provided between the inner plate and the upper casing, the channel having a cool air inlet connected to one of the cool air supply holes and a cool air outlet opened toward the refrigerating chamber, the cool air being supplied from the cool air duct and returned to the refrigerating chamber after passing through the channel;a storage receptacle located in the mounting space to be moved into and out of the mounting space, the storage receptacle having a receiving space defined therein to store food; anda receptacle cover supporting the at least one receptacle casing, the receptacle cover being detachably mounted on a side wall of the refrigerating chamber. 19. The refrigerator as claimed in claim 18, wherein the at least one receptacle casing includes a pair of receptacle casings arranged side by side in the refrigerating chamber. 20. The refrigerator as claimed in claim 18, wherein the cool air flowing in the channel is introduced through a cool air inlet provided in a rear surface of the at least one receptacle casing, and the cool air flowing in the channel is discharged to the refrigerating chamber through a cool air outlet provided in the rear surface of the at least one receptacle casing. 21. The refrigerator as claimed in claim 18, wherein support ribs are respectively provided on top ends of both sides of the receptacle casing, the support ribs being slidably supported along rails provided on both side surfaces of the storage space. 22. The refrigerator as claimed in claim 21, wherein the rails include: casing support rails provided on a center of a bottom surface of a shelf detachably installed to be moved into or out of the storage space;casing support rails provided on both the side surfaces of the storage space; andauxiliary rails provided on both side ends of the bottom surface of the shelf at the same level as the casing support rails of the storage space to extend the casing support rail of the storage space. 23. The refrigerator as claimed in claim 22, further comprising a fixing means for fixing the at least one receptacle casing to prevent the at least one receptacle casing from being detached inadvertently in a state where the at least one receptacle casing is mounted into the storage space. 24. The refrigerator as claimed in claim 23, wherein the fixing means includes: a fixing protrusion provided on any one of the casing support rail and the at least one receptacle casing; anda fixing opening provided in the other one of the casing support rail and the at least one receptacle casing,wherein the fixing protrusion is inserted into the fixing opening, whereby the at least one receptacle casing is fixed in a state where the at least one receptacle casing is received in the storage space. 25. The refrigerator as claimed in claim 18, wherein the channel is formed along with an edge portion on an upper surface of the inner plate. 26. The refrigerator as claimed in claim 24, wherein the channel has a middle portion extending across a front edge portion of the inner plate. 27. The refrigerator as claimed in claim 18, wherein the channel has a pair of parallel longitudinal walls provided on an upper surface of the inner plate, and wherein the upper casing contacts a top portion of the walls when the insertion plate is inserted into the insertion slot. 28. The refrigerator as claimed in claim 18, wherein the cool air outlet is located at a rear portion of the refrigerator.
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이 특허에 인용된 특허 (10)
Lim Jae H. (Suwon KRX), Air conduit system in a refrigerator.
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