JPH1194448A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the descending phenomenon of a door from its set position due to the deformation of hinge units, partitioning plate and the like, which support the door, by the weight of the door, in a refrigerator having a horizontally opened and closed type door. SOLUTION: U-shaped inner box reinforcing fittings 26, 27, which are formed of thin sheet metal and the like, are attached to both of left and right side surfaces of an inner box 2, formed of a resin material, with screws 28. A partitioning plate reinforcing metal fitting 25 is attached to the rear surface of the partitioning plate 11 with screws 24 together with a hinge 15, supporting the door through a bearing. The inner box reinforcing metal fittings 26, 27 are fixed to the partitioning plate reinforcing metal fitting 25 with the screws 28 so as to pinch the inner box 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a refrigerator,
More specifically, the present invention relates to a support structure for a front door.

[0002]

2. Description of the Related Art Generally, as shown in FIG. 1, a multi-stage refrigerator has an AB inside an outer box 1 having a front opening made of a thin steel plate or the like.
An inner box 2 made of a resin material such as S and having an open front surface is disposed via a heat insulating material 3 such as urethane foam. The inside of the inner box 2 is vertically divided by heat insulating partitions 4, 5, and 6, and a plurality of storage rooms, for example, a refrigerator room 7 at the top, a freezer room 8 and 9 at the center in two stages, and a bottom room. The vegetable room 10 is arranged. Partition plates 11, 12, and 13 made of a steel plate are mounted on the front surfaces of the heat-insulating partition members 4, 5, and 6, respectively. A plurality of shelves 7a are disposed vertically in the refrigerator compartment 7, and a door 14 that can be opened and closed in the right direction is provided on the front surface of the refrigerator compartment 7 with the outer box 1 and the partition plate 11.
Are pivotally supported by a pair of upper and lower hinges 15 and 16 attached thereto to be able to open and close freely. Front and rear drawer-type trays 19 with doors 17 and 18 are provided at the front of the freezing compartments at the central two stages 8 and 9.
20 is arranged, and a vegetable tray 22 having a door 21 on the front surface is similarly arranged in the lowermost vegetable compartment 10.

As shown in FIG. 5, the heat insulating partition 4 has an integral structure in which a heat insulating material 4c is interposed between an upper plate 4a and a lower plate 4b. Fitting groove 4
The rib 4d provided with e is provided upright, and the rib 4f provided with the fitting groove 4g at the tip is similarly provided upright on the upper surface of the lower plate 4b. The partition plate 11 has upper and lower ends bent backward to provide upper and lower flanges 11a and 11b to be fitted into the fitting grooves 4e and 4g, and corresponds to the screw insertion hole 15b of the hinge 15 at the right center. A recess 11c having a screw hole 11d is provided, and the upper surface flange 11a is provided.
The lower surface flange 11b is fitted in the fitting grooves 4e and 4g of the ribs 4d and 4f of the heat insulating partition 4 and both ends are screwed to the flange 1a of the outer box 1 with screws 23 to thereby form the heat insulating partition 4. Mounted on the front of

The hinge 15 is formed in a substantially L-shape made of a steel plate. A cylindrical pin 15a is erected on the upper surface, and two screw insertion holes 15b corresponding to the screw holes 11d of the partition plate 11 are formed on the side surface. The partition plates 11 are provided side by side, and are screwed to the partition plate 11 by screws 24. The door 14 that covers the front surface of the refrigerator compartment 7 is provided with a support hole 14a provided on the lower surface by the pin 15a.
, And the upper surface is supported by a hinge 16 fixed to the upper surface of the outer box, thereby being pivotally supported so as to be freely opened and closed.

In recent years, as the size of the refrigerator increases, the weight of the door 14 also increases, and as shown in FIG. 6, the stress applied to the hinge portion 15 also spreads to the partition plate 11, and the partition plate 11
Of the door 12 may be tilted, and this may cause the door 12 to drop below the set height of the door 12.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and the weight of a door is applied to a partition plate via a hinge, and the partition plate is deformed or tilted. Is intended to prevent the so-called door drop phenomenon.

[0007]

In order to solve the above-mentioned problems, the present invention is characterized in that a bent piece having a screw hole formed in the back surface of the partition plate to be in contact with the inner wall of the inner box is provided at both ends. A partition plate reinforcing bracket having a screw hole corresponding to a screw to be fixed is provided, and a screw insertion hole corresponding to a screw hole of a bent piece of the partition plate is formed on both side surfaces of the inner box. An inner box reinforcing metal having a screw insertion hole corresponding to the screw hole of the bent piece is provided on the outer wall of the box so as to be orthogonal to the partition plate reinforcing metal, and screws are provided for the inner box reinforcing metal and the inner box. The partition plate reinforcing bracket is screwed to the screw hole of the bent piece of the partition plate reinforcing bracket through the screw insertion hole to fasten the partition plate reinforcing bracket to the inner box reinforcing bracket. Further, the inner box reinforcement is formed in a U-shape made of a thin steel plate.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS With the above construction, the rigidity of the inner box and the partition plate is improved, and the partition plate is prevented from being deformed due to the weight of the door. .

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a refrigerator according to the present invention will be described in detail with reference to the drawings. In the drawings, the same reference numerals are used for the same reference numerals as those in the conventional example. FIG. 2 is an exploded perspective view of a main part showing the mounting structure of the inner box 2, the partition plate 11, the partition plate reinforcing bracket 25, the partition plates 12, 13 and the inner box reinforcing plates 26, 27 of the refrigerator according to the present invention. The inner box 2 is formed of a resin material such as ABS, and is formed in a rectangular shape with an open front. In the inner box 2, a heat insulating partition 4 for partitioning the refrigerator compartment 7 and the freezer compartment 8, a heat insulating partition 5 for partitioning the freezer compartment 8 and the freezer compartment 9, and a heat insulating partition for partitioning the freezer compartment 9 and the vegetable compartment 10. A partition body 6 is provided, a partition plate 11 is mounted on the front surface of the heat insulating partition member 4, a partition plate 12 is mounted on the front surface of the heat insulating partition member 5, and a partition plate 13 is mounted on the front surface of the heat insulating partition member 6, respectively. .

[0010] As shown in FIG.
a, lower plate 4b, and heat insulating material 4c interposed between these two plates
Mounting ribs 4d, 4f are formed on the lower surface of the upper plate 4a and the upper surface of the lower plate 4b, and fitting grooves 4e, 4f into which the flanges 11a, 11b are fitted are formed at the tips of the ribs 4d, 4f.
g is provided.

On the other hand, the partition plate 11 is formed in a U-shaped cross section, and has upper and lower flanges 11a and 1b at upper and lower ends.
On the other hand, a step portion 11e is formed on both sides of the outer box 1 where a screw hole 11f corresponding to the screw insertion hole 1b of the flange 1a is formed, and a hinge 22 is provided on the right side. A concave portion 11c for fixing is formed, and two screw insertion holes 11d are provided in parallel in the concave portion 11c. The hinge 15 attached to the partition plate 11 is substantially L
A pin hole 14a of the door 14 is formed in the upper surface portion.
A cylindrical pin 15a to be inserted into the partition plate 11 is erected, and a screw insertion hole 15b corresponding to the screw insertion hole 11d of the partition plate 11 is formed in a side surface portion.

On the back surface of the partition plate 11, a substantially U-shape made of a thin steel plate or the like is formed, and a screw hole 25c corresponding to the screw insertion hole 15b of the hinge 15 is provided on the right side, and screw holes 25b are formed at both ends. A partition plate reinforcing bracket 25 having the provided bent pieces 25a is provided. The bent piece 25a is attached to the inner box 2
The upper and lower dimensions are set smaller than the height dimension of the heat insulating partition 24. Further, screw insertion holes 2b corresponding to the screw holes 25b of the partition plate reinforcing bracket 25 are formed on both left and right sides of the inner box 2.

The left and right outer walls of the inner box 2 are formed in a substantially U-shape made of a thin steel plate or the like, and a screw insertion hole 19a corresponding to the screw hole 21 of the partition plate reinforcing metal fitting 21 is provided at a substantially central portion.
The inner box reinforcements 19 and 20 having the perforations 20a are disposed so as to be orthogonal to the bent pieces 21a of the partition plate reinforcement 21.

Next, a description will be given of a procedure for attaching the above-described structure. First, the heat insulating partitions 4, 5, 6 are placed in the inner box 2.
Are mounted, and then the inner box reinforcing brackets 26 and 27 are fixed to the left and right outer walls of the inner box 2 with the flanges 26b and 27b facing outward. The partition plate reinforcing bracket 25
Is adhered to the back surface of the partition plate 11, and the flange portion 1
1a, 11b are fitted and fixed in the fitting grooves 4e, 4g of the mounting ribs of the heat insulating partition 4, and the screws 23 are inserted through the screw insertion holes 11f formed in the step portions 11e at both ends. The screw 28 is screwed into the screw insertion hole 26a, 27a of the inner box reinforcing metal fittings 26, 27 while being screwed into the screw hole 1b of the flange portion 1a. The inner box reinforcing metal fitting 2 is inserted through the screw insertion hole 2b formed in the inner box 2.
5 is screwed into the screw hole 25b provided in the bent portion 25a in contact with the inner wall of the inner box 2, and fixed.

Next, the partition plates 12 and 13 are mounted on the heat-insulating partition members 5 and 6, respectively, and both right and left ends are screwed to the flange portion 1a of the outer box 1. The screw 24 is inserted through the screw insertion hole 15b of the hinge 15 and the screw hole 2 of the partition plate reinforcing bracket 25 is inserted through the screw insertion hole 11d of the partition plate 11.
The hinge 15 is fixed by screwing it to 5c. The pin 1 of the hinge 15 is inserted into a support hole 14a provided on the lower surface of the door 14.
By inserting 5a and supporting the upper surface with the hinge 16, the door 14 is supported to be able to open and close.

The rigidity of the inner box 2 is improved by the inner box reinforcing members 26 and 27, and the strength of the partition plate 11 is improved by the partition plate reinforcing member 25. When the box reinforcing brackets 26 and 27 are connected and fastened together, the stress caused by the weight of the door 14 applied to the partition plate 11 via the hinge 15 is used to reinforce the inner box via the partition plate reinforcing bracket 11. It is dispersed to the metal fittings 26 and 27, and the overall strength of the refrigerator housing is improved, and the weight of the door 14 can be sufficiently supported.

[0017]

As described above, the refrigerator can maintain its rigidity even when the refrigerator is enlarged and the weight of the opening / closing door is increased due to the structure of the reinforcing box for the refrigerator inner box and the partition plate according to the present invention. Can be prevented, and it is possible to prevent a door falling phenomenon or the like due to insufficient rigidity. In addition, the rigidity of the partition plate is greatly improved by fixing the partition plate reinforcing brackets on both sides of the inner box, and the rigidity of the partition plate and the inner box reinforcing bracket can be efficiently increased by a structure capable of screwing the partition plate reinforcing bracket and the inner box reinforcing bracket. In addition, the number of steps can be reduced.

[Brief description of the drawings]

FIG. 1 is an overall side sectional view showing a basic structure of a refrigerator to which the present invention is applied.

FIG. 2 is an exploded perspective view showing a main part of the refrigerator according to the present invention.

FIG. 3 is a plan sectional view showing a main part of the refrigerator according to the present invention.

FIG. 4 is a side sectional view showing a main part of the refrigerator according to the present invention.

FIG. 5 is a side sectional view showing a conventional refrigerator door mounting structure.

FIG. 6 is a side cross-sectional view showing a phenomenon of a door falling in a conventional refrigerator.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer box 1a Outer box flange 1b Screw insertion hole 2 Inner box 2a Inner box flange 2b Screw insertion hole 3 Heat insulating material 4 Heat insulating partition 5 Heat insulating partition 6 Heat insulating partition 7 Refrigerator room 8 Freezer room 9 Freezer room 10 Vegetable room 11 Partition plate 12 Partition plate 13 Partition plate 14 Door 15 Hinge 16 Hinge 17 Door 18 Door 19 Tray 20 Tray 21 Door 22 Vegetable tray 23 Screw 24 Screw 25 Partition plate reinforcing bracket 25a Bent portion 25b Screw hole 25c Screw hole 26 Inner box reinforcement Metal fitting 26a Flange 26a Screw insertion hole 27 Inner box reinforcement metal fitting 27a Flange 27b Screw insertion hole 28 Screw

Claims (2)

[Claims] 1. An inner box having a flange formed on the front opening edge and fitted to the flange at the front opening edge is mounted in an outer box having a flange formed by folding the front opening edge inward. The inside of the box is vertically divided into a plurality of storage rooms by at least one heat insulating partition, and a partition plate having both ends fixed to the outer box flange by screws at the front of the heat insulating partition is provided, and the partition plate is provided. In a refrigerator in which a pair of hinges are fixed to the upper part of the outer box with screws and a door covering the front surface of the storage room is pivotally supported by the hinges so as to be openable and closable, the back surface of the partition plate and the inner wall of the inner box. Bending pieces provided with screw holes in contact with each other are provided at both ends, and a partition plate reinforcing bracket provided with screw holes corresponding to the screws for fixing the hinges is provided, while the partition plate is provided on both side surfaces of the inner box. Drill a screw insertion hole corresponding to the screw hole of the bent piece. An inner box reinforcing metal having a screw insertion hole corresponding to the screw hole of the bent piece is provided on the outer wall of the inner box so as to be orthogonal to the partition plate reinforcing metal. A refrigerator characterized in that the partition plate reinforcing bracket is fastened to the inner box reinforcing bracket by screwing into the screw hole of the bent piece of the partition plate reinforcing bracket through the screw insertion hole of the inner box. 2. The refrigerator according to claim 1, wherein the inner box reinforcing bracket is formed in a U-shape made of a thin steel plate.