JP6592274B2 - refrigerator - Google Patents

Description

  Embodiments of the present invention relate to refrigerators.

  Conventionally, the refrigerator compartment of a refrigerator is provided with a chilled room for storing meat, fish, and the like, and upper and lower upper and lower containers are arranged in the chilled room so that they can be pulled out.

JP 2001-330361 A JP 2003-329362 A JP 2009-47384 A

  However, in the case of the upper and lower two-stage upper and lower containers as described above, the temperature of the lower container is made uniform with the temperature in the refrigerator compartment, and from the vegetable compartment having a high interior temperature below the refrigerator compartment. Since heat is transmitted, there is a problem that the temperature in the lower container is difficult to cool sufficiently.

  In view of the above problems, an object of the present invention is to provide a refrigerator capable of sufficiently cooling the inside of the lower container even if the upper and lower two-stage upper and lower container structures are used.

Embodiments of the present invention are a storage chamber, an upper container disposed in the storage chamber, an upper handle portion provided at a front portion of the upper container and having an open lower portion, and a lower portion of the upper container. A lower container, a lower handle provided at the front of the lower container, an outlet opening at the back of the storage chamber for blowing cold air to the upper container, and a rear part of the upper handle of the upper container An upper flow hole that opens and communicates with the lower container, a lower exhaust hole that opens in the lower container and communicates with the storage chamber, and is provided behind the upper flow hole, and a ceiling of the storage chamber And a lid provided from the plate to the upper front portion of the upper container . Further, embodiments of the present invention, a chilled compartment provided in the refrigeration compartment, a container upper disposed within the chilled chamber, provided at a front portion of the upper container, an upper working unit which bottom is opened, A lower container disposed below the upper container; a lower handle provided at a front portion of the lower container; an outlet opening at the back of the chilled chamber to blow cool air into the upper container; Opened at the rear of the upper handle of the container, communicates with the lower container, and communicates with the chilled chamber through the lower container, and is provided at the rear of the upper circulation hole. A refrigerator having an exhaust hole.

The front view of the refrigerator which shows one Embodiment of this invention. The longitudinal cross-sectional view of a refrigerator. The front view of a chilled room. The longitudinal section seen from the side of a chilled room. The expanded longitudinal cross-sectional view seen from the front of the upper container and the lower container. The principal part expansion longitudinal cross-sectional view of the state which accommodated the upper container and the lower container. The principal part expansion longitudinal cross-section of the state which pulled out the upper container. The principal part expansion longitudinal section of the state which pulled out the lower container.

  Hereinafter, the refrigerator 10 of one Embodiment is demonstrated based on FIGS.

(1) Structure of refrigerator 10 The structure of the refrigerator 10 is demonstrated based on FIG. 1 and FIG. FIG. 1 is a front view of the refrigerator 10, and FIG. 2 is a longitudinal sectional view as seen from the side of the refrigerator 10.

  The cabinet 12 of the refrigerator 10 is a heat insulation box, and is formed of an inner box and an outer box, and a heat insulating material is filled between the inner box and the outer box. The cabinet 12 includes a refrigerator compartment 14, a vegetable compartment 16, a small freezer compartment 18, and a freezer compartment 20 in order from the top. An ice making room 21 is provided beside the small compartment 18. A horizontal heat insulating partition 36 is provided between the vegetable compartment 16, the small freezer compartment 18 and the ice making compartment 22. The refrigerator compartment 14 and the vegetable compartment 16 are partitioned by a horizontal partition 38. The front door of the refrigerator compartment 14 is provided with double doors 14a and 14b. The vegetable compartment 16, the small freezer compartment 18, the freezer compartment 20 and the ice making compartment 21 have drawer doors 16a, 18a, 20a and 21a, respectively. Is provided.

  In the refrigerator compartment 14, a plurality of shelves 40 are provided horizontally, and a chilled chamber 42 is provided in the lower part. The chilled chamber 42 is a low-temperature chamber and stores meat and fish in an upper container 60 and a lower container 62 in two upper and lower stages. The chilled chamber 42 will be described in detail later. A plurality of door pockets 44 are provided on the back surface of the door 14 a of the refrigerator compartment 14. The vegetable compartment 16 is provided with drawer-type vegetable containers 46 and 48.

  A refrigeration evaporator (hereinafter referred to as “R EVA”) 28 is provided from the lower back of the refrigerator compartment 14 to the back of the vegetable compartment 16, and a refrigeration blower (hereinafter referred to as “R fan”) 30 is provided below the evaporator. Is provided. The R EVA 28 and the R fan 30 are arranged in an R EVA chamber 17 that is a cooling chamber surrounded by the EVA cover 15. A return duct 15 for cool air from the chilled chamber 42 is provided in front of the R-evaporator 17 and from the rear part of the partition plate 38 of the refrigerator compartment 14 toward the R fan 30.

  A freezing evaporator (hereinafter referred to as “F EVA”) 32 is provided in the F-evaporating chamber 29 from the back of the small freezer 18 and the ice making chamber 21 to the back of the freezing chamber 20, and a freezing blower is provided above it. (Hereinafter referred to as “F fan”) 34 is provided. A defrost heater (not shown) is provided below the F EVA 32.

  As shown in FIG. 2, the cold air cooled by the R evaporator 28 is blown to the refrigerator compartment 14, the chilled compartment 42 and the vegetable compartment 16 by the R fan 30. The cold air discharged from the chilled chamber 42 flows into the return duct 15 and circulates to the R EVA 28 by the R fan 30. The cold air cooled by the F-evapor 32 is sent to the small freezer compartment 18, the ice making chamber 21 and the freezer compartment 20 by the F fan 34.

  A machine room 22 is provided at the bottom of the back surface of the cabinet 12, and the compressor 24 and the like constituting the refrigeration cycle 62 are placed thereon. A control plate 26 is provided at the upper back of the machine room 22.

(2) Structure of chilled chamber 42 The structure of the chilled chamber 42 will be described with reference to FIGS.

  As shown in FIG. 3, the chilled chamber 42 provided in the lower part of the refrigerator compartment 14 is provided on the right side of the refrigerator compartment 14, and a tank 50 is arranged on the left side. The tank 50 is arranged to supply water to an ice making tray of an ice making device provided in the ice making chamber 21.

  As shown in FIG. 5, the chilled chamber 42 includes a ceiling plate 52, a left plate 54 provided at the boundary between the tank 50, a right plate 56 constituting the right side of the refrigerator compartment 14, and the refrigerator compartment 14. Surrounded by a back plate 58 that forms the back surface and a partition 38 that forms the bottom surface of the refrigerator compartment 14, a drawer-type upper container 60 and a lower container 62 are arranged in two stages in the chilled chamber 42. Has been. A rotatable lid 64 is suspended between the front end portion of the ceiling plate 52 and the front end portion of the upper container 60 by hinge coupling.

  As shown in FIGS. 4 and 5, a plurality of air outlets 66 for blowing cool air into the chilled chamber 42 are opened at the upper part of the rear surface 58 of the chilled chamber 42.

  A plurality of suction ports 634 are opened from the rear surface 58 of the chilled chamber 42 to the partition plate 38 on the bottom surface. These suction ports 634 communicate with the return duct 15.

  The upper container 60 includes a front plate 601, a pair of left and right side plates 602, a back plate 603, and a bottom plate 604, and an upper surface is opened. The front plate 601, the pair of left and right side plates 602, and the back plate 603 are made of synthetic resin, and the bottom plate 604 is made of metal. An upper handle 605 is formed at the front of the front plate 601. The lower part of the upper handle 605 is open, the upper part is closed, and an upper notch 606 is cut out in a square shape at the center of the lower end of the upper handle 605. In other words, the upper container 60 is provided in front of the front plate 601 so as to cover the upper handle 605 from above, and an insertion space 615 into which a hand can be inserted is formed between the front plate 601 and the upper handle 605. Further, a step portion 608 is formed at the lower portion of the front plate 601. This step 608 is for making it easier to insert a finger from below the upper handle 605 (see FIG. 7). The front surface of the upper handle 605 is formed in a staircase shape, and a light scattering surface 607 is formed. As shown in FIGS. 6 to 8, a plurality of slit-like upper flow holes 609 are opened at predetermined intervals in the width direction at corners where the front plate 601 and the bottom plate 604 are combined. The pair of left and right side plates 602 of the upper container 60 is formed with a bulge portion 614 that bulges upward from the front portion toward the center portion. The bulging portion 614 pushes up the lid 64. As shown in FIGS. 4 and 5, a pair of left and right protruding rails 610 protrude in the front-rear direction on the outside of the pair of left and right side plates 602 and 602 of the upper container 60. As shown in FIG. 5, rail receivers 612 are formed on the left plate 54 and the right plate 56 in the front-rear direction, corresponding to the pair of left and right rails 610 and 610, respectively.

  The lower container 62 is made of a synthetic resin and is arranged to be freely drawn out to the partition body 38. The lower container 62 includes a front plate 621, a pair of left and right side plates 622, a back plate 623, and a bottom plate 624, and the upper surface is open. . Further, a lower handle 625 is formed at the front portion of the front plate 621. The lower handle 625 is closed at the lower part, opened at the upper part, and a lower notch 626 is cut out in a square shape at the center of the upper end of the lower handle 625. That is, the lower handle 625 is formed in front of the front plate 621 of the lower container 62 so as to cover from below, and an insertion space 630 into which a hand can be inserted is formed between the front plate 621 and the lower handle 625. As shown in FIGS. 4 and 5, a pair of left and right mounting protrusions 627 protrude in the front-rear direction on the upper surface of the partition plate 38, and the lower container 62 is mounted thereon. As shown in FIGS. 4 and 5, a pair of left and right ridge rails 628 protrude from the pair of left and right side plates 622 and 622 of the lower container 62. Rail receivers 629 corresponding to the rails 628 are formed in the front-rear direction on the left plate 54 and the right plate 56 of the chilled chamber 42, respectively. As shown in FIG. 4, the lower front portion of the lower container 62 is in a bottom-up state because the front portion of the partition 38 swells upward, so that the lower container 62 bulges when pulled out forward. This is to correspond to. A plurality of lower exhaust holes 632 are provided in the back plate 623 of the lower container 62. A suction port 634 is opened from the rear surface of the chilled chamber 42 facing the lower exhaust hole 632 to the partition plate 38. Further, the opening area of the upper flow hole 609 is formed wider than the opening area of the lower exhaust hole 632.

  The lid 64 is attached so as to be able to rotate from the front end portion of the ceiling plate 52 of the chilled chamber 42 and to hang down. The lid 64 has a circular cross section on the front surface, and a pair of left and right hinge pieces 70 project rearward from the upper end of the lid 64. Further, a pair of left and right hinge support pieces 72 protrude from the front end portion of the ceiling plate 52. The hinge support piece 72 and the hinge piece 70 are hinge-coupled via a hinge shaft 74 so as to be rotatable. The lower end of the lid 64 is folded back to form a flange portion 76. The vertical dimension of the arc-shaped front surface of the lid 64 corresponds to the dimension from the front end portion of the ceiling plate 52 to the upper front end portion of the upper container 60, and the flange portion 76 of the lid 64 is the upper handle portion of the upper container 60. It is located slightly above the upper surface of 605. A pressing piece 68 is formed at the left end of the lid 64. As a result, as shown in FIG. 7, when the upper container 60 is pulled forward, the lid 64 presses the pressing piece 68 by the front end portion of the side plate 602 and the bulging portion 614, and the lid 64 moves upward about the hinge shaft 74. By rotating, the lid 64 is opened and does not obstruct the pulling out of the upper container 62.

(3) Operation in the chilled chamber 42 The operation in the chilled chamber 42 will be described. As shown in FIG. 4, when the upper container 60 and the lower container 62 are stored in the chilled chamber 42, the chilled chamber 42 includes the ceiling plate 52, the left plate 54, the right plate 56, the back surface 58, and the front of the upper container 60. The space is closed by the face plate 601, the front plate 621 of the lower container 62, and the lid 64, and the cold air that is cooled by the R evaporator 28 and blown out from the blowout port 66 does not leak out of the chilled chamber 42.

  Then, the cold air blown into the chilled chamber 42 from the outlet 66 enters the upper container 60 and cools the meat and fish in the upper container 60. As shown in FIGS. 5 and 6, the cold air that has cooled the upper container 60 flows into the lower container 62 through a plurality of upper flow holes 609 in the lower front portion of the upper container 60. The cold air flowing from the upper container 60 cools the meat and fish in the lower container 62, is discharged to the outside from the lower exhaust hole 632 opened in the back plate 623 of the lower container 62, and then returns to the return duct 15 from the suction port 634. Flowing into. The cold air that has flowed into the return duct 15 is circulated to the R evaporator 28 by the R fan 30 in the R evaporator chamber 17 and is cooled again.

  When the user pulls out the upper container 60, the user puts his hand from below into the upper notch 606 of the upper handle 605 whose lower part is open as shown in FIG. The upper container 60 can be easily pulled out by moving along the rail receiver 612. Further, the front end portion and the bulging portion 614 of the pair of left and right side plates 602 push up the lid 64.

  Further, when the user pulls out the lower container 62, as shown in FIG. 8, when the user puts his hand into the lower notch 626 of the lower handle portion 625 whose upper part is open and pulls it forward, the rail of the lower container 62 is drawn. 628 moves along the rail receiver 629, and the bottom plate 624 of the lower container 62 moves forward in a state where it is placed on the placing protrusion 627, and the lower container 62 can be pulled out easily.

(4) Effect In the refrigerator 10 of the present embodiment, the cold air is blown out from the outlet 66 at the position closest to the R EVA 28, so that the inside of the chilled chamber 42 is cooled more than the other parts of the refrigerator compartment 14. It becomes a chilled temperature (0 ° C. to 2 ° C.) suitable for foods such as meat and fish. That is, since the upper surface of the upper container 60 is opened and cold air is blown from behind the opened upper surface, the food in the upper container 60 can be sufficiently cooled. Further, as shown in FIGS. 4 and 6, since the cool air vent hole 609 is opened from the front plate 601 to the bottom plate 604 of the upper container 60, the cold air that has entered the upper container 60 passes through the upper flow hole 609. The intruded cold air enters the container 62, cools the food in the lower container 62 while flowing behind the lower container 62, is discharged to the outside from the lower exhaust hole 632 opened in the back plate 623, and then sucked in It flows from the opening 634 to the return duct 15.

  Further, since the upper flow hole 609 in the upper container 60 opens in the front part of the lower container 62 and the lower exhaust hole 632 opens in the rear part of the lower container 62, the cold air flows from the front to the rear to further cool the food. it can.

  Further, the bottom plate 604 of the upper container 60 is made of metal, and has higher thermal conductivity than the other synthetic resin front plate 601, left and right pair of side plates 602, and rear plate 603. It is easy to transmit the cooled state to the surface, and the inside of the lower container 62 can be further cooled.

  Further, the lid 64 that is pivotably suspended from the ceiling plate 52 of the chilled chamber 42 hangs down to the upper portion of the front plate 601 of the upper container 60, seals the chilled chamber 42, and cool air escapes to other parts. Absent.

  Further, since the opening area of the upper flow hole 609 is formed wider than the lower exhaust hole 632, the cold air flowing into the lower container 62 is more than the discharged cold air, and the cold air that accumulates in the lower container 62 increases. The inside of the lower container 62 can be further cooled.

(5) Modified Example In the above embodiment, the upper flow hole 609 is opened at the front part of the upper container 60 and the lower exhaust hole 632 is opened at the rear part of the lower container 62. The upper flow hole 609 may be opened at the rear part, and the lower exhaust hole 632 may be opened at the front part of the lower container 62. Even in this case, the cool air can flow forward later to further cool the food.

  Although one embodiment of the present invention has been described above, this embodiment is presented as an example and is not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 10 ... Refrigerator, 14 ... Refrigeration room, 15 ... Return duct, 17 ... R EVA room, 38 ... Partition, 42 ... Chilled room, 60 ... Upper container, 62 ... Lower container, 64 ... Lid, 66 ... Outlet, 604 ... Bottom plate, 609 ... Upper flow hole, 632 ... Lower exhaust hole

Claims (6)

A storage room;
An upper container disposed in the storage chamber;
An upper handle provided at the front of the upper container and having an opening at the bottom;
A lower container disposed below the upper container;
A lower handle provided at the front of the lower container;
An opening at the back of the storage room, and a blowout port for blowing out cold air to the upper container;
An upper flow hole that opens at a rear portion of the upper handle portion of the upper container and communicates with the lower container;
A lower exhaust hole that opens in the lower container and communicates with the storage chamber, and is provided behind the upper flow hole;
A lid provided from the ceiling plate of the storage chamber to the upper front of the upper container;
Refrigerator. A chilled room in the refrigerator ;
A container upper disposed within the chilled compartment,
An upper handle provided at the front of the upper container and having an opening at the bottom;
A lower container disposed below the upper container;
A lower handle provided at the front of the lower container;
An opening at the back of the chilled chamber , and a blowout port for blowing out cold air to the upper container;
An upper flow hole that opens at a rear portion of the upper handle portion of the upper container and communicates with the lower container;
A lower exhaust hole that opens in the lower container and communicates with the chilled chamber , and is provided behind the upper flow hole;
Refrigerator. The upper container includes a front plate, a pair of left and right side plates, a back plate, a bottom plate,
The thermal conductivity of the bottom plate is higher than the thermal conductivity of the front plate, the pair of left and right side plates, and the back plate,
The refrigerator according to claim 1 or 2 . The bottom plate is made of metal;
The front plate, the pair of left and right side plates, and the back plate are made of synthetic resin.
The refrigerator according to claim 3 . The opening area of the upper flow hole is wider than the opening area of the lower exhaust hole,
The refrigerator according to claim 1 or 2 . The lower exhaust hole is opposed to a suction port of a return duct that returns cold air to the cooling chamber.
The refrigerator according to claim 1 or 2 .

Images