JP7266624B2 - refrigerator - Google Patents

Description

Embodiments of the present invention relate to refrigerators.

2. Description of the Related Art Conventionally, a refrigerating chamber of a refrigerator is provided with a chilled chamber for storing meat, fish, and the like, and a container is disposed in the chilled chamber so that it can be pulled out freely.

Japanese Patent Application Laid-Open No. 2001-330361 Japanese Patent Application Laid-Open No. 2003-329362 JP 2009-47384 A

In the drawer-type container as described above, there is a problem that it is difficult to pull out the container stably when the container is pulled forward from the stored state.

SUMMARY OF THE INVENTION Accordingly, an object of an embodiment of the present invention is to provide a refrigerator in which a drawer-type container can be pulled out stably.

A storage chamber provided in a heat-insulating box body, a storage space provided in the storage chamber, a ceiling plate defining an upper surface of the storage space, and an upper surface provided in the storage space so as to be able to be drawn out forward is opened. an upper container; a lower container which is arranged under the upper container so as to be able to be pulled out forward and which opens to the upper surface; and when the upper container is accommodated in the storage space, the upper container and the ceiling plate. a lid that closes the area formed between the A refrigerator in which the front surface of the lid is supported and covers the front end of the ceiling plate from the front,
a moving projection projecting downward from the bottom surface of the lower container and moving in a groove extending in the front-rear direction provided in the bottom surface of the storage chamber; and a plurality of projections projecting downward from the bottom surface of the moving projection , In the refrigerator, a flow hole communicating with the lower container is provided at the front end of the bottom surface of the upper container.

BRIEF DESCRIPTION OF THE DRAWINGS The front view of the refrigerator which shows one Embodiment of this invention. A vertical cross-sectional view of a refrigerator. Fig. 4 is a vertical cross-sectional view of the chilled chamber viewed from the side, showing a state in which the upper container and the lower container are accommodated; Fig. 4 is a vertical cross-sectional view of the chilled chamber viewed from the side, showing a state in which the lower container is pulled out; The front view of a chilled room. FIG. 3 is a vertical cross-sectional view of the chilled room as seen from the front. The bottom view of a lower container. The top view of a lower container. FIG. 4 is an enlarged vertical cross-sectional view of a moving protrusion, a moving leg, and a protrusion; FIG. 4 is an enlarged vertical cross-sectional view of a main part of a state in which the upper container and the lower container are housed; Enlarged longitudinal section of the main part with the upper container pulled out. Enlarged longitudinal section of the main part with the lower container pulled out. The bottom view of the lower container of a modification. FIG. 11 is a partially enlarged vertical cross-sectional view of the lower container of the modified example;

A refrigerator 10 of one embodiment will be described below with reference to FIGS. 1 to 12. FIG.

(1) Structure of Refrigerator 10 The structure of the refrigerator 10 will be described with reference to FIGS. 1 and 2. FIG. 1 is a front view of the refrigerator 10, and FIG. 2 is a longitudinal sectional view of the refrigerator 10 viewed from the side.

A cabinet 12 of the refrigerator 10 is a heat-insulating box, formed of an inner box and an outer box, with a heat insulating material filling the space between them. The inside of the cabinet 12 has a refrigerator compartment 14, a vegetable compartment 16, a small freezer compartment 18 and a freezer compartment 20 in this order from the top. A horizontal heat insulating partition 36 is provided between the vegetable compartment 16 and the small freezer compartment 18 and the ice making compartment 22 . The refrigerator compartment 14 and the vegetable compartment 16 are separated by a horizontal partition 38. - 特許庁Double doors 14a and 14b are provided in front of the refrigerator compartment 14, and drawer doors 16a, 18a, 20a and 21a are provided in the vegetable compartment 16, the small freezer compartment 18, the freezer compartment 20 and the ice making compartment 21, respectively. is provided.

A plurality of shelves 40 are provided horizontally in the refrigerator compartment 14, and a chilled compartment 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 arranged in two stages. The chilled chamber 42 will be described later in detail. A plurality of door pockets 44 are provided on the rear surface of the door 14a of the refrigerator compartment 14. - 特許庁The vegetable compartment 16 is provided with drawer-type vegetable containers 46 and 48 .

A refrigerating evaporator (hereinafter referred to as "R-eva") 28 is provided from the lower back surface of the refrigerating compartment 14 to the back of the vegetable compartment 16, and a refrigerating blower (hereinafter referred to as "R fan") 30 is provided below it. is provided. The R eva 28 and the R fan 30 are arranged in the R eva chamber 17 which is a cooling chamber surrounded by the eva cover 15 . A return duct 15 for cold air from the chilled compartment 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 refrigerating evaporator (hereinafter referred to as "F eva") 32 is provided in an F evaporator chamber 29 extending from the back of the small freezer compartment 18 and the ice making compartment 21 to the back of the freezer compartment 20, and a refrigeration blower 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-eva 28 is sent to the refrigerator compartment 14, the chilled compartment 42 and the vegetable compartment 16 by the R-fan 30. As shown in FIG. Cool air discharged from the chilled chamber 42 flows into the return duct 15 and is circulated to the R eva 28 by the R fan 30 . The cold air cooled by the F-eva 32 is sent to the small freezer compartment 18 , the ice making compartment 21 and the freezer compartment 20 by the F fan 34 .

A machine room 22 is provided at the rear bottom of the cabinet 12, and a compressor 24 and the like constituting a refrigerating cycle 62 are mounted. A control plate 26 is provided on the upper back surface of the machine room 22 .

(2) Structure of Partition 38 As shown in FIGS. 1 and 2, the partition 38 is inserted horizontally into the cabinet 12 and fixed. The front end of the partition 38 bulges upward along the entire width to form a bulging portion 381 . The front surface of this bulging portion 381 is formed straight in the vertical direction, extends horizontally rearward from the upper end of the front surface, and further extends while being inclined downward to reach the horizontal upper surface 382 of the partition plate 38 .

A magnet 385 for attracting the gaskets of the double doors 14 a and 14 b and a magnet 386 for attracting the gaskets of the door 16 a of the vegetable compartment 16 are provided on the back side of the front surface of the bulging portion 381 . A sensor substrate 388 integrated with a door switch, a temperature sensor, and a humidity sensor is provided inside the bulging portion 381, and a sensor substrate 388 integrated with a door switch, a temperature sensor, and a humidity sensor is provided inside the bulging portion 381. A container sensor 389 is provided to detect.

A slightly right side of the upper surface 382 of the partition plate 38 is recessed as shown in FIG. 6 to form a flow passage 383 through which cool return air flows. The flow path 383 is continuously provided in the front-rear direction from the rear end portion of the bulging portion 381 to the rear end portion of the partition plate 38 .

Grooves 384 , 384 extending in the front-rear direction are provided on both left and right sides of the flow passage 383 . A front end portion of the groove 384 is positioned at a rear end portion of the bulging portion 381 , and a rear end portion of the groove 384 is positioned at a rear portion of the partition plate 38 .

(3) Structure of Chilling Chamber 42 The structure of the chilling chamber 42 will be described with reference to FIGS. 3 to 9. FIG. As shown in FIG. 3, the chilled compartment 42 provided on the partition 38 of the refrigerating compartment 14 is provided on the right side of the refrigerating compartment 14, and the tank 50 is arranged on the left side. The tank 50 is detachably arranged to supply water to the ice making tray of the ice making device provided in the ice making chamber 21 .

As shown in FIGS. 3 and 5, the chilled compartment 42 includes a ceiling panel 52, a left panel 54 provided at the boundary with the tank 50, a right panel 56 forming the right side of the refrigerator compartment 14, and a refrigerator. It is surrounded by a back plate 58 forming the back surface of the chamber 14 and a partition 38 forming the bottom surface of the refrigerating chamber 14. Inside the chilled chamber 42, a drawer-type upper container 60 and a lower container 62 are arranged vertically. arranged in steps. Between the front end of the ceiling plate 52 and the front end of the upper container 60, a rotatable lid 64 is suspended by hinge connection.

As shown in FIGS. 3 and 6, a plurality of outlets 66 for blowing cold air from the R-evaporator 17 to the chilled chamber 42 are formed in the upper portion of the back plate 58 of the chilled chamber 42 . On the other hand, as shown in FIG. 3, a plurality of suction ports 634 are opened from the back plate 58 of the chilled chamber 42 to the partition plate 38 on the bottom surface. These suction ports 80 communicate with the return duct 15 .

The upper container 60 is composed of a front plate 600, a pair of left and right side plates 602, a rear plate 603, and a bottom plate 604, and has an open top. The front plate 600, the pair of left and right side plates 602, 602, and the rear plate 603 are made of synthetic resin, and the bottom plate 604 is made of metal. A partition plate 601 is provided at the rear portion of the front plate 600 , and an upper handle portion 605 is formed between the front plate 600 and the partition plate 601 . A space between the front plate 600 and the upper handle 605 is open at the bottom and closed at the top, and an upper notch 606 is cut in a square shape at the center of the lower end of the front plate 600 . That is, an insertion space 615 into which a hand can be inserted is formed between the front plate 600 and the upper handle portion 605 so as to cover the upper handle portion 605 on the rear portion of the front plate 600 of the upper container 60 . A stepped portion 608 is formed at the lower portion of the partition plate 601 . This stepped portion 608 is for making it easier to insert a finger from below the upper handle portion 605 (see FIG. 11). The front surface of the front plate 600 is stepped to form a light scattering surface 607 . As shown in FIG. 10, a plurality of slit-shaped upstream flow holes 609 are opened at predetermined intervals in the width direction at the corners where the partition plate 601 and the bottom plate 604 meet. A pair of left and right side plates 602 of the upper container 60 are formed with bulging portions 614 that bulge upward from the front toward the center. This swelling portion 614 pushes up the lid 64 . As shown in FIGS. 3 and 6, a pair of left and right ridge rails 610, 610 protrude in the front-rear direction outside the pair of left and right side plates 602, 602 of the upper container 60, respectively. As shown in FIG. 6, rail receivers 612 are formed in the front-rear direction on the left plate 54 and the right plate 56 corresponding to the pair of left and right rails 610 , 610 .

The lower container 62 is made of synthetic resin, and is arranged so as to be able to be pulled out from the upper surface 382 of the partition 38. is open. As shown in FIGS. 3 and 4, the front plate 625 of the lower container 62 is shorter than the rear plate 623, and a recess 627 is formed in the width direction from the lower end of the front plate 625 to the front end of the bottom plate 624. there is The concave shape of the concave portion 627 corresponds to the bulging shape of the bulging portion 381 . A middle bottom surface 628 horizontally extending from the lower end of the front plate 625 is continuous with the upper end of the recess 627 . A partition plate 621 is erected along the width direction from the rear end of the middle bottom surface 628 . A rectangular lower notch 626 is formed at the upper end of the central portion of the front plate 625 . A space surrounded by the lower cutout portion 626 of the front plate 625 , the inner bottom surface 628 , and the partition plate 621 forms a lower handle portion 630 . In addition, a tube-shaped food container or the like can be laid down and stored in the inner bottom surface 628 of the lower handle portion 630 .

Support protrusions 629 , 629 protrude outward from rear portions of a pair of left and right side plates 622 , 622 of the lower container 62 . The left plate 54 and the right plate 56 of the chilled chamber 42 are provided with rails 78, 78 extending in the front-rear direction. The pair of left and right rails 78 , 78 are provided slightly above the pair of left and right support protrusions 629 , 629 , and the support protrusion 629 moves along the lower surface of the rail 78 .

As shown in FIGS. 3, 4, and 7, moving protrusions 632, 632 extending in the front-rear direction are formed on both left and right sides of the bottom plate 624 of the lower container 62. As shown in FIGS. A moving protrusion 634 protrudes from the lower surface of the rear end portion of the moving protrusion 632 . The pair of left and right moving protrusions 634 are inserted into the pair of left and right grooves 384 provided in the partition plate 38 to move. The widthwise dimension of the moving projection 632 is smaller than the width of the groove 384 . As shown in FIG. 7, a moving leg 635 is formed at the front end of the moving ridge 632 . The moving leg portion 635 is wider than the groove 384 in the width direction, is formed to swell toward the center of the lower container 62, and has a curved front end portion. As shown in FIG. 9, a plurality of protrusions 633 protrude from the lower surface of the moving protrusion 634, and these protrusions 633 are placed on the upper surface of the groove 384 and slide in the front-rear direction. When the lower container 62 is placed on the partition plate 38, as shown in FIGS. 3 and 4, the moving legs 635 are placed on the upper surface 382, and the projections 633 of the moving projections 634 are placed on the grooves 384. , the lower container 62 is horizontally supported.

A plurality of lower exhaust holes 636 are opened in the back plate 623 of the lower container 62 as shown in FIGS. A suction port 80 is opened from the back plate 58 of the chilled chamber 42 facing the lower exhaust hole 636 to the partition plate 38 . The return cold air that has flowed through the refrigerator compartment 14 passes through the space between the bottom plate 624 of the lower container 62 and the flow path 383 of the partition plate 38 from front to back and is sucked into the suction port 634 .

As shown in FIG. 3, the lid 64 is rotatably attached to the front end of the ceiling plate 52 of the chilled chamber 42 and hangs down. The front surface of the lid 64 has an arc-shaped cross section, and a pair of left and right hinge pieces 70 protrude rearward from the upper end of the lid 64 . A pair of left and right hinge support pieces 72 protrude from the front end portion of the ceiling plate 52 . As shown in FIG. 10 , the hinge supporting piece 72 and the hinge piece 70 are hingedly connected via a hinge shaft 74 . A 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 of the ceiling plate 52 to the upper front end of the upper container 60 , and the flange portion 76 of the lid 64 It is located slightly above the top surface of the A pressing piece 68 is formed at the left end of the lid 64 . 11, when the upper container 60 is pulled forward, the front end portion of the side plate 602 and the bulging portion 614 press the pressing piece 68, and the lid 64 moves upward about the hinge shaft 74. As shown in FIG. The lid 64 is opened by rotation and does not interfere with drawing out the upper container 62.例文帳に追加

(4) Draw-out state of upper container 60 and lower container 62 The draw-out state of the upper container 60 and the lower container 62 will be described. As shown in FIG. 3, when the upper container 60 and the lower container 62 are housed in the chilling chamber 42, the chilling chamber 42 consists of the ceiling plate 52, the left plate 54, the right plate 56, the back plate 58, and the upper container 60. The space is closed by the front plate 600, the front plate 625 of the lower container 62, and the lid 64, and the cold air cooled by the R-eva 28 and blown out from the outlet 66 does not leak outside the chilled chamber 42. .

The cool air blown into the chilled chamber 42 from the blowout port 66 enters the upper container 60 and cools the meat or fish in the upper container 60 . As shown in FIGS. 3 and 10 , the cold air that has cooled the upper container 60 flows into the lower container 62 through a plurality of upstream flow holes 609 provided 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 636 opened in the back plate 623 of the lower container 62, and then passes through the suction port 634 to the return duct 15. flow to The cold air that has flowed into the return duct 15 is circulated to the R-eva 28 by the R-fan 30 in the R-evaporation chamber 17 and cooled again.

When the user pulls out the upper container 60, as shown in FIG. 11, the user inserts his or her hand from below into the upper notch 606 of the upper handle 605 that is open at the bottom and pulls it forward. By moving along the rail receiver 612, the upper container 60 can be easily pulled out. Also, the front end portions of the pair of left and right side plates 602 and the swelling portion 614 push up the lid 64 .

When the user pulls out the lower container 62, as shown in FIGS. 4 and 12, the user inserts his or her hand from above into the lower notch 626 of the lower handle 630 whose upper side is open and pulls it forward. Then, the moving protrusion 632 of the lower container 62 moves along the groove 384, and in this case, the moving leg 635 also moves along the upper surface 382, so that it can move while maintaining the horizontality. Then, the concave portion 627 can be pulled out to a position where it covers the bulging portion 381 of the partition plate 38 .

(5) Effect With the refrigerator 10 of the present embodiment, when the lower container 62 is pulled out, the recessed portion 627 in the front portion of the lower container 62 can be pulled out to the position where it covers the bulging portion 381. Therefore, the amount of withdrawal is reduced. It becomes maximum, and the food stored in the lower container 62 can be easily taken out.

Further, even if the bulging portion 381 is greatly bulged, the lower container 62 can be pulled out above the bulging portion 381 . In addition, since the inside of the bulging portion 381 can be enlarged, electrical components such as the magnets 385 and 386, the sensor substrate 388, and the container sensor 389 can be accommodated. In addition, since the electrical parts are stored inside the bulging portion 381, there is no need to store these electrical parts in another space, and the storage volume of the refrigerator 10 can be increased.

In addition, the lower container 62 is horizontally supported in the front-rear direction by the moving projections 632 and the moving legs 635, and can be maintained horizontally even when it is stored in the chilled chamber 42 and when it is pulled out.

Further, since the moving leg 635 is wider than the groove 384 and bulges toward the center, the lower container 62 can be stably maintained horizontally and the moving leg 635 does not fall into the groove 384 .

Further, since the front end portion of the moving leg portion 635 has a curved shape, even if it hits the bulging portion 381 when pulled out forward, the bulging portion 381 will not be damaged.

Moreover, since a plurality of projections 633 protrude from the lower surface of the moving projection 634 and the lower ends of these projections 633 are in contact with the groove 384, the coefficient of friction is reduced and movement is facilitated.

In addition, a tube-shaped food container or the like can be laid down and stored in the inner bottom surface 628 of the lower container 62 . In this case, since there is the partition plate 621, the bottom plate 6 of the lower container 62, such as a tube-shaped container,
It doesn't go down to 24.

Further, since the moving ridges 632 are provided on the bottom surface of the lower container 62, the moving ridges 632 act as reinforcing ribs, preventing the bottom plate 624 of the lower container 62 from bending.

In addition, even when the support projections 629 provided on the left and right sides of the lower container 62 move along the rails 78 and are pulled out, they are positioned below the rails 78, so that the rear portion of the lower container 62 does not bounce upward.

In addition, since the upper surface of the partition plate 38 is recessed to form a flow path 383 , cold air returning from the refrigerator compartment 14 can be reliably sucked into the suction port 637 through the flow path 383 .

(6) Modification 1
Modification 1 will be described with reference to FIGS. 13 and 14. FIG. For example, as shown in FIGS. 13 and 14, a pair of left and right grooves 638 are provided in the front-rear direction on the lower surface of the bottom plate 624 of the lower container 62, and a pair of left and right ridges 390 are provided in the front-rear direction on the upper surface 382 of the partition plate 38. A moving leg 690 may be provided between the pair of left and right grooves 638 , 638 . In this case, the moving leg 639 is provided as close to the front end of the bottom plate 624 as possible to keep the lower container 62 horizontal.

(7) Modification 2
In the above embodiment, the moving leg portion 639 is provided at the same position as the moving protrusion 634 in the width direction, but the moving leg portion 629 may be provided at a different position from the moving protrusion 634 in the width direction.

(8) Modification 3
In the above embodiment, the bulging portion 381 provided at the front end portion of the partition plate 38 is provided over the entire width. A recess 627 may be provided at the front end of the lower container 62 only at the corresponding portion. For example, the bulging portion 381 may be provided only at the portion where the pair of left and right double doors 14a and 14b meet, and a door switch or the like may be provided inside the bulging portion 381. FIG. Further, if the bulging portions 381 are provided only on both sides of the partition plate 38 where the hinge shafts of the pair of left and right double doors 14a and 14b are provided, and the hinge shafts are provided in these portions, the strength can be further increased. You can fix the hinge axis.

(9) Other Modifications In the above embodiment, the refrigerator compartment 14 is exemplified as the storage compartment, and the lower container 62 stored in the chilled compartment 42 inside it is described. You may apply this embodiment to the container accommodated in the vegetable compartment.

Further, in the above embodiment, the container 62, which is the upper container 60, is arranged in two stages in the chilled chamber 42, but the container is not limited to this and may be a container in one stage.

While one embodiment of the invention has been described above, this embodiment is provided by way of 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 modifications 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 scope of the invention described in the claims and equivalents thereof.

10... refrigerator, 14... refrigerating chamber, 38... partition, 42... chilled room, 60...
Upper container 62 Lower container 381 Swelling portion 382 Upper surface 383 Flow path 384 Groove 385 Magnet 386 Magnet , 388... sensor substrate, 621... partition plate, 624... bottom plate, 625... front plate, 627... concave portion, 628... middle bottom surface, 630... lower handle portion, 632...moving protrusion, 633...protrusion, 634...moving protrusion, 635...moving leg

Claims (7)

a storage room provided in the heat insulating box;
a storage space provided in the storage chamber;
a ceiling plate that defines the upper surface of the storage space;
an upper container open to the upper surface provided in the storage space so as to be able to be drawn forward;
a lower container which is arranged under the upper container and which is open to the upper surface so as to be able to be pulled out forward;
a lid that closes a region formed between the upper container and the ceiling plate when the upper container is stored in the storage space, and opens the region as the upper container is pulled out;
with
The lid is rotatably supported by a hinge shaft arranged behind the front end of the ceiling plate,
A refrigerator in which the front surface of the lid covers the front end of the ceiling plate from the front,
a moving projection projecting downward from the bottom surface of the lower container and moving in a groove extending in the front-rear direction provided in the bottom surface of the storage chamber; and a plurality of projections projecting downward from the bottom surface of the moving projection ,
A refrigerator, wherein a flow hole communicating with the lower container is provided in a front end portion of the bottom surface of the upper container. 2. The refrigerator according to claim 1, wherein a rear end portion of the bottom surface of said lower container is provided with an exhaust hole communicating with said storage space. 3. The refrigerator according to claim 1 , wherein said lower container has a front panel that defines a front surface of said lower container and closes a space between a bottom surface of said lower container and a bottom surface of said upper container. 4. The container according to any one of claims 1 to 3, further comprising: an upper handle portion provided on the front portion of the upper container and opening downward; and a lower handle portion provided on the front portion of the lower container and opening upward. Refrigerator as described. 5. The refrigerator according to claim 4 , wherein when the upper container and the lower container are accommodated in the storage space, the opening provided in the upper handle and the opening provided in the lower handle vertically face each other. an upper handle plate defining a front surface of the upper handle portion; an upper notch provided upward from a lower end of the upper handle plate; a lower handle plate defining a front surface of the lower handle portion; A lower notch provided downward from the upper end of the handle plate,
6. The refrigerator according to claim 4 or 5 , wherein both widthwise ends of said upper notch portion and said lower notch portion overlap vertically when viewed from the front. 7. The refrigerator according to claim 6 , wherein when the upper container and the lower container are accommodated in the storage space, the lower end of the upper handle plate is located forward of the upper end of the lower handle plate.

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