JP2983447B2 - Refrigerator drawer structure - Google Patents

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 door.

[0002]

2. Description of the Related Art A drawer door of a conventional refrigerator is shown in FIG.
This will be described with reference to FIGS. In FIG. 9, reference numeral 101 denotes a refrigerator main body.
5, vegetable compartment 107, and doors 109, 111a, 111b, and 113 for opening and closing the storage compartments are provided on the front surface. This is to draw out the storage container 115 in conjunction with the doors 111a and 111b and arrange the freezer compartment 5 in the middle section so as to make the stored items easy to see and take out. The substantial internal volume of the storage room having such a drawer door is the same as the storage container 115.
It is left to the volume of.

[0003] Reference numeral 117 denotes a movable rail which is attached to the back surface of the door 111b and which allows the door to be freely pulled out. The door 111b and the movable rail 117 are fixed to the upper portion of the back of the door via a steel plate embedded in a heat insulating material inside the door by bending an end of the movable rail 117 and an inner plate in the door.

In FIGS. 10A, 10B and 11, reference numeral 119 denotes a movable pulley provided at the rear end of the movable rail 117. Reference numeral 121 denotes a fixed rail serving as a sliding portion of the movable pulley 119.
It is attached to the center of the three side walls in the depth direction.

A pair of fixed pulleys 124 are provided on the left and right sides of the inner wall front portion of the freezer compartment 105 and are slidably supported by engaging with recesses 117b formed in the movable rail 117.

The storage container 115 comprises a storage part 125 and a flange 127 formed on the periphery of the upper surface opening, and the flange 127 has a flat part 127a extending outward.
And a hanging part 127b. The storage unit 12
5 and the flange portion 127, a plurality of reinforcing ribs 12
9 and the reinforcing container 129 is formed by the reinforcing ribs 129.
Are mounted on the upper surface 117a of the left and right movable rails.

When taking out the storage container 115,
Handle 1 formed on flange 127 after door is pulled out
31. However, in the refrigerator having the conventional drawer door as described above, since the storage container is supported on the movable rail at a relatively high position of the storage container, the bottom portion is smaller than the upper opening portion due to the draft angle. In the case of a molded storage container, there is a problem that there is much dead space and volume efficiency is deteriorated.

Further, the ribs of the storage container are placed and supported on the upper surface of the movable rail, and the flange hanging portion has to be made large to secure a supporting force. The middle a ′) and the width of the lower part (b ′ in FIG. 11) became large, and the volumetric efficiency was worse. Furthermore, in the flange portion, there was conventionally no clearance between the hanging portion and the movable rail, so that there was a problem that it was difficult to remove the storage container.

[0009]

As described above, in the conventional refrigerator, when a storage container is attached to the back surface of the door to be a drawer type, a dead space is increased due to a rail engaging structure in which the storage container can be pulled out. For this reason, there has been a drawback that the volume efficiency is deteriorated and the molding of the storage container is complicated. Therefore, an object of the present invention is to eliminate the above-mentioned disadvantages, improve the volumetric efficiency, and simplify the molding.

In order to achieve the above object, a drawer structure of a refrigerator according to the present invention comprises a heat insulating box which fills a heat insulating material between an outer box and an inner box to form a storage room, and a front opening of the storage room. A pair of movable rails extending into the storage chamber from both left and right lower portions of the back surface of the door and having pulleys at the rear to allow the door to be pulled out, and both sides of the storage chamber
A fixed pulley which slides supporting the movable rails provided on the wall bottom, a fixed rail pulley of the movable rail is provided in the storage compartment side walls lower sliding, the door drawer supports the lower portion in the movable rail A storage container having an upper surface opening portion width sometimes larger than a lower portion width pulled out from the storage chamber.

[0011] Further, a heat insulating box which forms a storage room by filling a heat insulating material between the outer case and the inner case; a door which opens and closes a front opening of the storage room; A pair of movable rails extending from the storage chamber to the storage chamber and having a pulley at the rear and allowing the door to be freely drawn out; a fixed pulley slidably supporting a movable rail provided on the storage chamber wall; A fixed rail provided on the storage room wall on which the pulley slides, and a storage container having a lower portion supported by the movable rail and having a top opening width larger than a lower portion width drawn out of the storage room when the door is pulled out. Is provided.

Further, the present invention is characterized in that the fixed rail is formed integrally with a bottom plate of a partition plate for partitioning between storage rooms. Furthermore, a receiving portion is provided on the movable rail, and the bottom surface of the storage container is placed on the receiving portion and pulled out.

[0013] Furthermore, a rib is formed in the lower part of the storage container, and is mounted on a movable rail and pulled out. 4. The drawer structure for a refrigerator according to claim 1, further comprising a stepped portion formed on the lower side of the storage container and protruding toward the side wall of the storage compartment, mounted on a movable rail and pulled out.

[0014]

In the above-mentioned structure, a dead space is inevitably formed due to the draft angle, and the movable rail is disposed outside the bottom of the storage container. Therefore, the internal volume of the storage container can be increased.

Further, since the bottom of the container is received by the movable rail, the strength of the peripheral edge of the upper opening of the container is not necessary as in the conventional case, and the flange can be made smaller. Can be simplified, and the appearance can be improved.

Further, since the fixed rail and the partition plate are integrally formed, the number of screws and the number of manufacturing steps can be reduced, so that the cost can be reduced and manufacturing variations can be prevented.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to FIGS. In FIG. 1 and FIG.
Is a method in which a box body 9 in which a heat insulating material 7 such as polyurethane foam is filled between an outer box 3 and an inner box 5 is partitioned by partitioning plates 11 and 13 filled with the heat insulating material 7, and the refrigerator compartments 15 and
The freezer compartment 17 and the vegetable compartment 19 are arranged in this order. Each storage room is provided with a door 21, 23 a, 23 b, 25 that can be freely opened and closed. The storage rooms (freezing room 17 and vegetable room 19 in the embodiment) below the central portion will be described later. It is a drawer door. A gasket 27 having a magnet inside is provided at the rear edge of each door. For the refrigerator compartment 15, the magnet is made of an iron plate, and the upper part 3a and the side part 3b of the front of the outer box and the front part 11 of the partition plate are provided.
a for the vegetable compartment 19,
b and the bottom 3c and the front face 13a of the partition plate to prevent leakage of cold air when the door is closed. Also, regarding the freezer compartment 17,
In the case where two chambers are formed like 17a and 17b of the present embodiment, a partition 29 is formed between the two chambers 17a and 17b, and for the first freezing chamber 17a, the partition plate front face 11a, the middle partition 29 and the outer box The second freezing compartment 17b is in close contact with the inner partition 29, the partition plate front 13a, and the outer box front side 3b for the second freezer compartment 17b to prevent leakage of cold air as in the refrigerating compartment.

Reference numeral 31 denotes a storage container, which is a second freezer compartment 17b.
When the door is pulled toward the door 23b, the gasket 27, the partition 29, and the front face 13a of the partition plate are separated, and the door 23b
When the container is pulled out, the opening 31a on the upper surface of the storage container is opened, so that foods and the like can be taken in and out.

The function of the cool air in each storage room is that the cool air generated by the cooler 39 attached to the back of the freezer compartment 17 is blown out of the freezer compartment discharge port 35 by the rotation of the fan 33 to cool the inside of the freezer compartment 17. Thereafter, a circulation is formed in which the return to the cooler 39 is performed via a return duct 37 formed in the partition plate 13. Further, the cold air is discharged from the plurality of cool air discharge ports 43 formed between the mounting shelves 42 in the duct 41 provided on the back of the refrigerator compartment 15. Cold air inflow rate is 15
The temperature in the refrigerator compartment 15 is adjusted by controlling the opening and closing of the damper device 45 attached to the lower rear portion. And
The cool air that has cooled the inside of the refrigerator compartment 15 is guided to the vegetable compartment 19 through a duct through a suction port (not shown). And vegetable room 19
The cool air that has cooled the
Come back to.

FIG. 3 is an enlarged perspective view of the second freezer compartment with the storage container 31 removed. In this figure, in order to show the relationship between the movable rail and the pulley in detail, a contact member is not shown. A pair of left and right movable rails 47 extend in the pull-out direction on the back surface of the door 23b. 49 is a pair of right and left fixed pulleys provided at the lower front part of the side wall of the inner box 5 below the freezing compartment 17;
It is placed in a recess 47a formed in the movable rail 47, and regulates the direction in which the door is pulled out. Reference numeral 51 denotes a movable pulley provided at the rear end 47b of the movable rail, which slides in a U-shaped fixed rail 53 attached to a lower portion of the inner box side wall .

At this time, the storage container 31 is stored in a space formed by the door 23b, the left and right movable rails 47, and the abutment member 61 (shown in FIG. 4B) connected to the left and right movable rails rear end 47b. The bottom surface of the storage container 31 is placed on an L-shaped receiving portion 59 protruding toward the space, and the storage container 31 and the door 23b are integrally pulled out.

4 (A), 4 (B) and 5, the storage container 31 is made of plastic from the viewpoint of weight reduction and design, and comprises a storage portion 55 and a flange portion 57. Further, it is detachable from the movable rail 47 to improve the cleaning performance. In addition, due to the draft angle at the time of molding, the upper surface opening 31a of the storage portion 55 is larger than the bottom portion 31b, and the upper surface opening portion 3 is larger than the bottom portion 31b.
1a has an inclined portion 63.

The inclined portion 6 of the storage container 31 described above.
3, the movable rail 47 is mounted near the lower left and right corners of the freezer compartment 17 on the back of the door, and the fixed rail 53 is located on the inner box 5 at a position corresponding to the movable pulley 51. Are provided in a left and right pair.

Next, the operation of the present invention will be described. When the door 23b is pulled out, the concave portion 47a of the movable rail slides on the fixed pulley 49, and the movable pulley 51 slides in the fixed rail 53, so that the door 23b and the movable rail 51 are pulled out integrally.

When the door 23b is pulled out, it is cooled (frozen in this embodiment) by storing foods and the like from the upper opening 31a of the storage container.
This is the volume of the storage container.

In the present invention, since the bottom surface of the container becomes wider from the bottom portion 31b to the upper surface opening portion 31a, the container is pulled out. Of the lower portion can be moved toward the freezer compartment side wall to reduce the width of the lower portion (b in FIG. 5), so that the volume can be increased.

Further, by supporting the bottom surface of the storage container 31 with the movable rail 47, it is not necessary to maintain the strength of the flange portion 57, and the dimension of the flat portion 57a and the hanging portion 57b of the flange portion can be shortened. Since the width dimension of the portion (a in FIG. 5) can be shortened, the volume of the storage container can be increased, and the molding can be simplified.

Further, the storage container 31 is detachable to improve the cleaning property. To remove the storage container 31, the door is pulled out and lifted until the movable pulley 51 contacts the stopper 65. At this time, since the movable rail 47 receives the bottom surface of the storage container 31, the storage container 31 can be easily attached and detached. Furthermore, by making the hanging portion 57b horizontal from the front end to the rear end, the appearance can be improved.

Reference numeral 67 denotes a rib projecting into a space between a pair of left and right receiving portions 59 formed on the movable rail 47 on the back side of the bottom surface of the storage container 31. The positioning is performed by the receiving portion 59 and the rib 67. Can also be reinforced.

When the partition plate 13 is provided at the lower part like the second freezing room 17b shown in this embodiment, after the box 9 is formed, the inner plate 13b, the front surface 13a of the partition plate, and the vegetable room top plate (not shown) are insulated. When the partition plate 13 formed by filling the material 7 is attached as a separate body, as shown in FIG.
(In this embodiment, the freezer compartment bottom plate) and the fixed rail 13c can be integrally formed.

With this configuration, it is possible to reduce the number of screws and the number of manufacturing steps, thereby reducing costs and preventing manufacturing variations. In the present embodiment, the description has been made with the second freezing room. However, the application target may be a vegetable room or a single freezing room.

Although the bottom surface of the storage container is received by the movable rail, a step forming portion 71 may be formed as shown in FIG. 7 and mounted on the upper surface of the movable rail. In this case, the storage volume can be further increased. Alternatively, a rib may be formed on the lower side surface of the storage container shown in FIG.

[0033]

As described above, according to the present invention, since the movable rail is arranged in the depth direction at the lower corner of the freezer compartment side wall and the storage container is supported at the bottom, the width of the entire storage container can be enlarged. The effect of being able to increase the storage internal volume, simplifying the molding, and improving the appearance can be obtained.
Further, by integrally molding the fixed rail portion and the bottom plate, it is possible to reduce costs, reduce the number of screws and manufacturing steps, and prevent manufacturing variations.

[Brief description of the drawings]

FIG. 1 is a perspective view of the entire refrigerator of the present invention.

FIG. 2 is a vertical sectional side view of the entire refrigerator of the present invention.

FIG. 3 is an enlarged perspective view of a refrigerator drawer door of the present invention.

FIG. 4 is a front sectional view and a side sectional view according to an embodiment of the present invention.

FIG. 5 is an enlarged sectional view of a main part of the refrigerator of the present invention.

FIG. 6A is a top view of a partition inner plate according to another embodiment of the present invention. (B) It is a front view of the partition board inner plate which concerns on another Example of this invention. (C) It is a side view of the partition board inner plate which concerns on another Example of this invention. (D) It is sectional drawing of the partition plate inner plate which concerns on another Example of this invention.

FIG. 7 is a sectional view of a main part according to another embodiment of the present invention.

FIG. 8 is a sectional view of a main part according to still another embodiment of the present invention.

FIG. 9 is a perspective view of the entire conventional refrigerator.

FIG. 10 is a front sectional view and a side sectional view of a conventional refrigerator.

FIG. 11 is an enlarged sectional view of a main part of a conventional refrigerator.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Refrigerator main body, 13 ... Partition board, 29 ... Center partition, 31 ...
Storage container, 47: movable rail, 53: fixed rail, 55
... storage part, 57 ... flange part, 59 ... receiving part.

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁶ , DB name) F25D 25/00

Claims (5)

(57) [Claims] 1. A heat insulating box which fills a heat insulating material between an outer box and an inner box to form a storage room, a door which opens and closes a front opening of the storage room, and lower left and right portions on the back surface of the door. A movable rail comprising a pair of vertical portions and a container receiving portion extending from the storage chamber into the storage chamber and having a pulley on the rear storage chamber wall side so that the door can be pulled out; and a pair of movable rails. Between the vertical part of the rail and the container receiver
A movable rail that supports the upper portion and has a width of an upper surface opening portion larger than a width of a lower portion that is pulled out of the storage chamber when the door is pulled out.
A storage container detachable from a portion, and a storage container provided at a lower portion of both side walls of the storage room for slidingly supporting the movable rail.
And a fixed pulley consists of a said storage compartment fixed rails provided on both side wall lower the pulley of the movable rail slides, the movable rail and fixed pulleys, slip of the fixed rail and the movable rail
Move the car vertically with the movable rail on the lower side of the storage container.
A drawer structure for a refrigerator, wherein the drawer structure is arranged above and below the outside space . 2. The drawer structure for a refrigerator according to claim 1, wherein the fixed rail is formed integrally with a bottom plate of a partition plate for partitioning the storage compartments. 3. The movable rail is provided between a vertical portion and a horizontal container receiving portion.
The horizontal container receiving portion is formed in a substantially L-shaped cross section.
The bottom part of the storage container is supported by the (1).
Or the drawer structure of the refrigerator according to claim 2. 4. A receiving member formed by forming a rib on a lower side surface of the storage container.
3. The drawer structure for a refrigerator according to claim 1 , wherein the receiving portion is placed on a movable rail and pulled out. 5. The storage device according to claim 1, wherein a stepped portion projecting toward the side wall of the storage chamber is formed at a lower portion of the storage container, and the stepped portion is mounted on a movable rail and pulled out. Refrigerator drawer structure.