JPH09324980A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator having independent drawer-type door and container, wherein an effective capacity of the container relative to the capacity of a storage chamber can be increased so as to increase a net storing amount of foods thus enhancing storage capacity of the refrigerator. SOLUTION: Recessed grooves 16 which extend in a depth direction are respectively formed on both inner side walls of a storing chamber 14. A container 17 which is supported on a drawer-type door has a duplicate wall construction made of resin and defining an air layer 18 therein. The container has both side thereof fitted into recessed grooves 16 formed on both side walls of a main body of the storing chamber 14, wherein an insulation thickness of the recessed groove 16 and an air insulation thickness of the air layer 18 of the container 17 provide a thickness which is close to a reference thickness of the main body of the storing chamber 14. Furthermore, since the inner width of the container 17 can be expanded while mounting drawer rails 19 on the bottom surface of the container 17, the effective capacity of the container 17 can be increased thus increasing a storing amount of foods.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator having a drawer type door and a container.

[0002]

2. Description of the Related Art In recent years, refrigerators equipped with drawer-type doors and containers such as a freezing room, an independent low temperature room, and a vegetable room have become mainstream. An example thereof is disclosed in Japanese Patent Laid-Open No. 3-110376, which will be described below with reference to FIGS. 11 and 12.

Reference numeral 1 is 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 provided with a drawer type door 6. It is a room.

Reference numeral 7 denotes a recessed groove formed on both side surfaces of the inner box 3 at left and right opposite positions along the depth direction, and 8 denotes the recessed groove 7.
A fixed rail having a U-shaped cross section is fitted to the fixed rail 8, and a fixed roller 9 is rotatably attached to the left and right inner box side walls near the front end of the fixed rail 8.

Reference numeral 10 denotes a frame to which the door 6 is fixed and which is slidably supported on the fixed roller 9 and which extends in the depth direction of the refrigerator. Reference numeral 11 denotes a moving roller rotatably attached to the rear end of the frame 10 so as to transfer inside the fixed rail 8. 12 is a container for storing foods, and a flange 1 around the upper opening.
It is configured to be placed on the frame 10 by 3 and to be integrally withdrawn and accommodated in accordance with the opening / closing operation of the door 6.

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 frame 10
The moving roller 11 at the rear end moves on the U-shaped inner surface of the fixed rail 8 and the container 12 placed on the frame 10.
Is pulled out.

[0007]

However, in the above structure, the fixed rail, the frame and the flange of the container are sequentially engaged from the both side surfaces of the inner-body box toward the inner side of the container. However, there is a problem in that the actual internal volume of the container cannot be made large and the effective internal volume becomes considerably smaller than the frontal volume of the storage chamber due to the large size.

An object of the present invention is to provide a construction of a drawer container having a high effective volume ratio with respect to the front volume of the storage chamber.

[0009]

In order to solve the above-mentioned problems, the refrigerator according to the present invention has a double-structured drawer container having air layers formed on both side surfaces thereof with concave grooves on both side surfaces of the inner box facing each other. It is configured to be fitted and pulled out.
Thereby, a drawer container having a width close to that of the frontage of the storage chamber can be obtained.

A heat insulating material is enclosed in the air layer of the container. As a result, the thickness of the air layer of the container can be reduced, and a drawer container having a wide inner dimension can be obtained.

Further, a cooling air ventilation 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.

Further, a ventilation duct for cold air 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. This further promotes cooling from the bottom surface of the container.

Further, the door and the drawer container have an integrated double structure in which a heat insulating material is enclosed. As a result, the ineffective volume of the connecting portion between the door and the drawer container is reduced, and a drawer container having a large effective volume is obtained.

Further, a pull-out rail is formed on the bottom surface of the outside of the container. As a result, a drawer container having a wide inner width can be obtained without impairing operability.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is to form a concave groove formed on both side surfaces of the main body inner box and an air layer having a predetermined thickness on at least both side surfaces fitted into the concave groove. The container having a double structure and a drawer door for supporting the container are provided. The air layers on both sides of the container serve as air heat insulation, and the total thickness of the heat insulation thickness of the concave groove portion and the air heat insulation thickness is the main body. The configuration is similar to the thickness on both sides.

According to a second aspect of the present invention, a heat insulating material is enclosed in the air layer of the container. Both sides of the container have a heat insulating structure, and the total thickness of the heat insulating thickness of the concave groove portion and the heat insulating thickness of the container is the main body. It is equivalent to the thickness of both sides.

According to the third aspect of the present invention, the inside of the air layer of the container is a ventilation duct for cold air, and the food in the container is indirectly cooled to increase the humidity in the storage chamber.

According to a fourth aspect of the present invention, in which the inside of the air layer of the container is a ventilation duct for cold air, the inner bottom surface of the container is constituted by a cooling auxiliary plate such as a metal plate or a cold storage plate. Food is indirectly cooled to increase the humidity in the storage room, while cooling by the auxiliary cooling plate is promoted.

According to a fifth aspect of the present invention, concave grooves formed on both side surfaces of the inner box of the main body, a container and a drawer door integrally formed with a double structure having an air layer inside, and at least both sides of the container. A heat insulating material is enclosed in the air layer of the surface and the door, and both side surfaces of the container are fitted in the recessed groove, so that the structure for connecting the door and the drawer container and the space are not required.

According to the sixth aspect of the present invention, the drawer rail is engaged with the outer bottom surface of the container, and the rail structure is not required on both side surfaces of the main body, so that the both side surfaces of the container are close to the main body.

Embodiments of the present invention will be described below with reference to FIGS. 1 to 10. (Embodiment 1) In FIGS. 1 to 4, reference numeral 14 denotes a storage chamber provided with a drawer type door 15, and recessed grooves 16 extend in the depth direction at corresponding positions on both side walls of the chamber.
Reference numeral 17 denotes a container for storing food, which is supported by the drawer type door 15 and has a double structure made of resin such as blow molding, and air layers 18 having a predetermined thickness are formed on both side surfaces.
Both sides of the container 17 are fitted into the recessed grooves 16 formed in both side walls of the main body, and the heat insulating thickness of the main body recessed groove 16 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 certain thickness. Reference numeral 19 denotes a drawer rail provided in the depth direction so as to engage between the outer bottom surface of the container 17 and the bottom surface of the storage chamber 14, and is composed of a frame 19a, a rail 19b, and a bearing 19c.

In such a structure, the air layers 18 on both side surfaces of the container act as air insulation, and the corresponding main body concave groove 16 is formed.
This will compensate for the local thinness of the insulation thickness of the part. In addition, the drawer rails 19 provided at the bottom can reduce the dead space on both side surfaces of the container, so that the width between the inner side walls of the container 17 is expanded to a size close to the width of the front of the storage chamber 14. The effective volume of the food will increase and the amount of food stored will increase.

(Embodiment 2) In FIG. 5, numeral 20 is a heat insulating material enclosed in air layers 18 on both sides of a double-structured container 17.

In such a structure, the air layers 18 on both side surfaces of the container are further enhanced in heat insulating effect by enclosing the heat insulating material 20, and even if the thickness of both side walls of the container 17 is smaller, the corresponding heat insulating thickness of the concave portion 16 of the main body concave portion. To compensate for the local thinness of. Therefore, the width between the inner side walls of the container 17 is further expanded to a size equivalent to the front width of the storage chamber 14, the effective volume of the container 17 is further increased, and the storage amount of food is further increased.

(Third Embodiment) In FIGS. 6 and 7, 2
Reference numeral 1 denotes, for example, a double structure made of resin such as blow molding, in which a cooling air ventilation duct 2 is provided in an air layer formed to have a predetermined thickness.
2 are configured. Reference numeral 23 denotes a cold air inlet provided on the back surface of the container 21 for introducing cool air into the ventilation duct 22, and 24 is provided on the bottom surface of the container to provide the ventilation duct 2
It is a cool air discharge port for discharging the cool air circulated in the inside 2.

In this structure, the cool air introduced from the cool air inlet 23 passes through the ventilation duct 22 formed in the air layer of the double structure and is discharged from the cool air outlet 24 while the cool air is discharged from the inner surface of the container 21. Indirect cooling. Therefore, unlike the conventional case, it is not necessary to separately secure a ventilation circulation space for cool air in the storage chamber 14, and the effective volume of the container 21 is further increased, so that the amount of food stored is further increased. Further, since the cool air is not directly ventilated into the container 21, the moisture of the food itself is appropriately maintained, and the stored food is prevented from being dried.

(Fourth Embodiment) In FIGS. 8 and 9, 2
Reference numeral 5 denotes a double structure made of resin such as blow molding, the bottom surface of the inner surface side of which is open. Reference numeral 26 denotes a cooling auxiliary plate such as a metal plate having good thermal conductivity such as aluminum or a cool storage plate, which is placed at the opening of the bottom of the container. Reference numeral 27 is a cooling air ventilation duct formed around the container 25 to have a predetermined thickness by using a double-layered air layer. Reference numeral 28 denotes a cold air inlet provided on the back surface of the container 25 for introducing cold air into the ventilation duct 27, and 29 denotes a cold air outlet provided on the bottom surface of the container for discharging the cold air circulating in the ventilation duct 27. is there.

In such a structure, the cold air introduced from the cold air inlet 28 passes through the ventilation duct 27 formed in the air layer of the double structure and is discharged from the cold air outlet 29 while the inner surface of the container 25 is discharged. Indirect cooling. At this time, the cool air passing through the bottom surface of the container cools the cooling ducts 27 and the cooling auxiliary plate 26 that is provided in heat exchange with each other to accelerate the cooling of the food contained in the container. Therefore, unlike the conventional case, it is not necessary to separately secure a ventilation circulation space for cool air in the storage chamber 14, and the container 2
The effective volume of 1 is further increased, and the storage amount of food is further increased. Further, even if the cool air is not directly blown into the container 21, the cooling auxiliary plate 26 ensures a sufficient cooling capacity, the moisture of the food itself maintains an appropriate humidity, and the drying of the stored food is suppressed.

(Embodiment 5) In FIG. 10, reference numeral 30 denotes a container having a double structure made of resin such as blow molding, in which an air layer 18 having a predetermined thickness is formed on both side surfaces, and 31 is the container. It is a drawer type door that is double-molded in one piece. Reference numeral 32 is a heat insulating material enclosed in the air layers of the container 30 and the door 31.

In such a structure, since the container 30 and the door 31 are integrally molded, a connecting structure and a space are not required 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 larger. As a result, the amount of food that can be stored increases. Further, by integrating the container and the door, the manufacturing cost and the manufacturing man-hour can be reduced.

[0031]

As described above, according to the refrigerator of the present invention,
It is possible to greatly increase the effective volume inside the container of the storage room equipped with a drawer-type door, and especially to expand the inner dimension in the width direction of the container to be approximately the same as the frontage of the storage room, so that the storage space when the container is pulled out. In addition to increasing the quality, a wide feeling is obtained and the visual product value is increased.

Further, by adding a cooling duct function to the double-structured container, the effective volume of the container is increased by further reduction of the ineffective space and the effect of preventing drying by indirect cooling of the food is obtained. Further, by forming the container and the door into a double structure as an integrated structure, it is possible to further reduce the ineffective space and increase the effective volume of the container, and at the same time, the manufacturing cost and the manufacturing man-hour can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view of essential parts of a refrigerator according to a first embodiment of the present invention.

FIG. 2 is a side sectional view of FIG. 1;

FIG. 3 is a front sectional view of FIG.

FIG. 4 is an enlarged view of a main part of the drawer rail shown in FIG.

FIG. 5 is a side sectional view of a main part of a refrigerator according to a second embodiment of the present invention.

FIG. 6 is a side sectional view of essential parts of a refrigerator according to a third embodiment of the present invention.

FIG. 7 is a front sectional view of FIG.

FIG. 8 is a side sectional view of a main part of a refrigerator according to a fourth embodiment of the present invention.

9 is a front sectional view of FIG. 8;

FIG. 10 is a side sectional view of essential parts of a refrigerator according to a fifth embodiment of the present invention.

FIG. 11 is a side sectional 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.

[Explanation of symbols]

 14 Storage Room 15,31 Door 16 Recessed Groove 17,21,25,30 Container 18 Air Layer 19 Drawer Rail 20,32 Insulation Material 22,27 Ventilation Duct 26 Cooling Auxiliary Plate

Claims (6)

[Claims] 1. A recessed groove formed on both sides of the body box,
A refrigerator provided with a double-structured container in which an air layer having a predetermined thickness is formed on at least both side surfaces that fit into the recessed groove, and a drawer door that supports the container. 2. The refrigerator according to claim 1, wherein a heat insulating material is enclosed in the air layer of the container. 3. The refrigerator according to claim 1, wherein the inside of the air layer of the container is a ventilation duct for cold air. 4. 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. 5. A concave groove formed on both sides of the body box,
A container and drawer door integrally formed with an air layer in a double structure, a heat insulating material is enclosed in at least both side surfaces of the container and the air layer of the door, and both side surfaces of the container are fitted into the recessed groove. refrigerator. 6. The refrigerator according to claim 1, claim 2, claim 3, claim 4, or claim 5, wherein a drawer rail is engaged with the outer bottom surface of the container.