JP3751075B2 - refrigerator - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a refrigerator having a drawer-type door and a container.
[0002]
[Prior art]
In recent years, refrigerators equipped with drawer-type doors and containers such as freezer rooms, independent cold rooms, and vegetable rooms have become mainstream. For example, Japanese Patent Application Laid-Open No. 3-110376 discloses an example thereof, which will be described below with reference to FIGS.
[0003]
Reference numeral 1 denotes a refrigerator body constituted by an outer box 2, an inner box 3, and a heat insulating material 4 filled in a space between the two boxes 2 and 3, and 5 is an independent storage room having a drawer-type door 6. .
[0004]
7 is a recessed groove formed on the both side surfaces of the inner box 3 at the left and right opposing positions along the depth direction, 8 is a U-shaped fixed rail fitted in the recessed groove 7, and 9 is the fixed rail. 8 is a fixed roller that is pivotally attached to the left and right inner box side walls in the vicinity of the front end portion of 8.
[0005]
Reference numeral 10 denotes a frame to which the door 6 is fixed and is slidably supported on the fixed roller 9 and extends in the depth direction of the interior. Reference numeral 11 denotes a moving roller pivotally attached to the rear end portion of the frame 10 so as to transfer within the fixed rail 8. Reference numeral 12 denotes a container for storing food, and is configured to be placed on the frame 10 by a flange 13 around the upper opening and integrally pulled out and accommodated in accordance with the opening / closing operation of the door 6.
[0006]
The operation of the refrigerator configured as described above will be described. By pulling out the door 6, the frame 10 moves on the fixed roller 9, and the moving roller 11 at the rear end of the frame 10 moves on the U-shaped inner surface of the fixed rail 8 and is placed on the frame 10. The finished container 12 is pulled out.
[0007]
[Problems to be solved by the invention]
However, in the above configuration, the fixed rail, the frame, and the flange of the container are sequentially engaged from both sides of the inner box to the inner side of the box. There was a problem in that the size could not be made large and the effective internal volume became considerably smaller than the frontage volume of the storage chamber.
[0008]
An object of this invention is to provide the structure of the drawer container with a high effective volume ratio with respect to the frontage volume of a storage chamber.
[0009]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the refrigerator of the present invention is configured to be pulled out by fitting both side portions of a double-structured drawer container having air layers formed on both side surfaces into recessed grooves on both side surfaces of the inner box. is there. Thereby, the drawer container approximated to the width dimension of the opening of the storage room is obtained.
[0010]
Further, a heat insulating material is sealed in the air layer of the container. Thereby, the thickness of the air layer of the container can be reduced, and a drawer container with a wider inner dimension width can be obtained.
[0011]
In addition, a cool air duct is formed in the air layer of the container. Thereby, in addition, the cool air is not directly ventilated into the container, and the stored items are indirectly cooled.
[0012]
In addition, a cool air duct is formed in the air layer of the container, and the bottom surface of the container is formed of a cooling auxiliary plate such as a metal plate or a cold storage plate. Thereby, in addition, cooling from the bottom surface of the container is promoted.
[0013]
Further, the door and the drawer container are integrated into a double structure and a heat insulating material is enclosed. Thereby, the invalid volume of the connection part of a door and a drawer container reduces, and also the drawer container with a larger effective volume is obtained.
[0014]
In addition, a drawer rail is configured on the outer bottom surface of the container. Thereby, a drawer container with a wide inside dimension width is obtained, without impairing operativity.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
The invention according to claim 1 of the present invention includes a recessed groove formed on both side surfaces of the inner box of the main body, and a double-structure container in which an air layer having a predetermined thickness is formed on at least both side surfaces fitted into the recessed groove. , Provided with a drawer door that supports the container, the air layers on both sides of the container serve as air insulation, and the total thickness of the heat insulation thickness and the air insulation thickness of the recessed groove portion approximates the thickness on both sides of the main body It becomes.
[0016]
According to the second aspect of the present invention, a heat insulating material is sealed in the air layer of the container, the both side surfaces of the container have a heat insulating structure, and the total thickness of the heat insulating thickness of the recessed groove portion and the container heat insulating thickness is the thickness of both side surfaces of the main body. Is equivalent to
[0017]
According to the third aspect of the present invention, the inside of the air layer of the container is a cool air duct, and the food in the container is indirectly cooled to increase the humidity in the storage chamber.
[0018]
The invention according to claim 4 is the one in which the inside bottom surface of the container is constituted by a cooling auxiliary plate such as a metal plate, a cold storage plate, etc., in which the inside of the container is a cold air duct, and the food in the container is Indirect cooling increases the humidity in the storage room, while cooling with the auxiliary cooling plate is promoted.
[0019]
The invention according to claim 5 is a concave groove formed on both side surfaces of the inner box of the main body, a container and a drawer door formed integrally by providing a double structure with an air layer therein, and at least both side surfaces of the container and the door A heat insulating material is sealed in the air layer, and both side surfaces of the container are fitted into the recessed groove, so that a connecting portion structure and a space between the door and the drawer container are unnecessary.
[0020]
According to the sixth aspect of the present invention, the drawer rail is engaged with the outer bottom surface of the container, and no rail configuration is required on both side surfaces of the main body, so that the both side surfaces of the container and the main body are close to each other.
[0021]
Embodiments of the present invention will be described below with reference to FIGS.
(Embodiment 1)
1 to 4, reference numeral 14 denotes a storage room having a pull-out door 15, and recessed grooves 16 extend in the depth direction at corresponding positions on both side walls of the room. Reference numeral 17 denotes a container for storing food supported by the pull-out door 15, and has an air layer 18 having a predetermined thickness on both side surfaces of a resin double structure such as blow molding. Further, both side surfaces of the container 17 are fitted into the recessed grooves 16 formed on both side walls of the main body, and the heat insulating thickness of the main body recessed groove 16 part and the thickness of the air layer 18 of the container 17 are combined to approximate the reference thickness of the main body. It is configured to have a thickness. Reference numeral 19 denotes a pull-out rail provided in the depth direction so as to be engaged between the outer bottom surface of the container 17 and the bottom surface of the storage chamber 14, and includes a frame 19a, a rail 19b, and a bearing 19c.
[0022]
In such a configuration, the air layer 18 on both side surfaces of the container performs an air insulation function, and compensates for the local thinness of the insulation thickness of the corresponding main body recessed groove 16 part. In addition, the ineffective space on both sides of the container can be reduced by the pull-out rails 19 provided at the bottom. For this reason, the width between the inner side walls of the container 17 is expanded to a size approximate to the opening width of the storage chamber 14. The effective volume of the food becomes larger and the amount of food stored increases.
[0023]
(Embodiment 2)
In FIG. 5, reference numeral 20 denotes a heat insulating material sealed in the air layer 18 on both sides of the double-structured container 17.
[0024]
In such a configuration, the air layer 18 on both side surfaces of the container is further improved in heat insulating effect by enclosing the heat insulating material 20, and the heat insulating thickness of the corresponding main body recessed groove 16 part is locally increased even if the both side walls of the container 17 are thinner. To compensate for the thinness. For this reason, the width between the inner walls of the container 17 is further expanded to a size equivalent to the opening width of the storage chamber 14, and the effective volume of the container 17 is further increased, so that the amount of food stored is further increased.
[0025]
(Embodiment 3)
6 and 7, reference numeral 21 denotes, for example, a resin double structure such as blow molding, and a cooling duct for cooling air is formed in an air layer formed to have a predetermined thickness. Reference numeral 23 denotes a cold air inlet provided on the back surface of the container 21 for introducing cold air into the ventilation duct 22, and reference numeral 24 denotes a cold air outlet provided on the bottom face of the container for discharging the cold air circulated in the ventilation duct 22. is there.
[0026]
In this configuration, the cold air introduced from the cold air inlet 23 passes through the ventilation duct 22 formed in the double-layered air layer and indirectly cools the inner surface of the container 21 while being discharged from the cold air outlet 24. . For this reason, it is not necessary to separately secure a cool air circulation space in the storage chamber 14 as in the prior art, and the effective volume of the container 21 is further increased, and the amount of food stored is further increased. Further, since the cool air is not directly ventilated in the container 21, the humidity is appropriately maintained by the moisture of the food itself, and drying of the stored food is suppressed.
[0027]
(Embodiment 4)
8 and 9, reference numeral 25 denotes a resin double structure such as blow molding, and the bottom surface on the inner surface side is opened. Reference numeral 26 denotes a cooling auxiliary plate such as a metal plate having good thermal conductivity, such as aluminum, or a cold storage plate, and is placed on the opening on the bottom surface of the container. Reference numeral 27 denotes a cooling air ventilation duct formed in a predetermined thickness around the container 25 by using a double-layered air layer. A cold air inlet 28 is provided on the back surface of the container 25 for introducing cold air into the ventilation duct 27, and 29 is a cold air outlet provided on the bottom surface of the container for discharging the cold air circulated in the ventilation duct 27. is there.
[0028]
In this configuration, the cold air introduced from the cold air inlet 28 passes through the ventilation duct 27 formed in the double-layered air layer, and indirectly cools the inner surface of the container 25 while being discharged from the cold air outlet 29. . At this time, the cool air passing through the bottom surface of the container cools the cooling auxiliary plate 26 provided in heat exchange with the ventilation duct 27 to promote the cooling of the food stored in the container. For this reason, it is not necessary to separately secure a cool air circulation space in the storage chamber 14 as in the prior art, and the effective volume of the container 21 is further increased, and the amount of food stored is further increased. Moreover, even if it does not ventilate the inside of the container 21 directly, humidity is kept moderate by the water | moisture content of food itself, ensuring sufficient cooling capacity with the cooling auxiliary plate 26, and drying of stored foodstuff is suppressed.
[0029]
(Embodiment 5)
In FIG. 10, 30 is a resin double structure such as blow molding, for example, and is a container in which air layers 18 having a predetermined thickness are formed on both side surfaces, and 31 is a drawer type that is double molded integrally with the container. The door. Reference numeral 32 denotes a heat insulating material sealed in the air layer of the container 30 and the door 31.
[0030]
In such a configuration, since the container 30 and the door 31 are integrally formed, there is no need for a connecting structure or space at the connecting portion between them, and the ineffective space in the storage chamber 14 is further reduced, and the effective volume of the container is further increased. The amount of storage increases. Moreover, it can have the effect that manufacturing cost and manufacturing man-hour can be reduced by integrating the container and the door.
[0031]
【The invention's effect】
As described above, according to the refrigerator of the present invention, the effective volume in the container of the storage room provided with the drawer-type door can be greatly increased, and in particular, the inner dimension in the width direction of the container is almost equal to the opening of the storage room. By being able to expand, the storage property when the container is pulled out is enhanced, and a wide feeling is obtained and the visual commercial value is increased.
[0032]
Further, by adding a cooling duct function to the double-structured container, it is possible to increase the effective volume of the container by further reducing the invalid space and to prevent drying by indirectly cooling the food. Furthermore, by making the container and the door an integral structure of the double structure, the invalid space can be further reduced, the effective volume of the container can be increased, and at the same time, the manufacturing cost and the number of manufacturing steps can be reduced.
[Brief description of the drawings]
1 is a perspective view of a main part of a refrigerator according to a first embodiment of the present invention. FIG. 2 is a side cross-sectional view of FIG. 1. FIG. 3 is a front cross-sectional view of FIG. FIG. 5 is a side cross-sectional view of the main part of the refrigerator according to the second embodiment of the present invention. FIG. 6 is a side cross-sectional view of the main part of the refrigerator according to the third embodiment of the present invention. FIG. 8 is a side sectional view of a main part of a refrigerator according to a fourth embodiment of the present invention. FIG. 9 is a front sectional view of a refrigerator according to a fifth embodiment of the present invention. 11 is a cross-sectional side view of a main part of a conventional refrigerator. FIG. 12 is an enlarged view of a front cross-section of the main part of FIG.
14 Storage room 15, 31 Door 16 Recessed groove 17, 21, 25, 30 Container 18 Air layer 19 Drawer rail 20, 32 Heat insulating material 22, 27 Ventilation duct 26 Cooling auxiliary plate

Claims (6)

Provided with recessed grooves formed on both side surfaces of the body box, a double-structured container in which an air layer of a predetermined thickness is formed on at least both side surfaces that fit into the recessed grooves, and a drawer door that supports the container refrigerator. The refrigerator of Claim 1 which enclosed the heat insulating material in the air layer of a container. The refrigerator according to claim 1, wherein the inside of the air layer of the container is a cool air duct. The refrigerator according to claim 3, wherein the inner bottom surface of the container is constituted by a cooling auxiliary plate such as a metal plate or a cold storage plate. Concave grooves formed on both side surfaces of the body box, a container and drawer door formed integrally with a double structure with an air layer inside, and at least the both sides of the container and the air layer of the door with heat insulation And the refrigerator which fitted the container both sides | surfaces to the said recessed groove. 6. The refrigerator according to claim 1, 2, 3, 4, or 5, wherein a drawer rail is engaged with an outer bottom surface of the container.

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