JP4006901B2 - refrigerator - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a refrigerator that uses a reinforcing plate to fix a hinge that supports a door.
[0002]
[Prior art]
A conventional example of such a refrigerator is disclosed in Japanese Patent Laid-Open No. 2-242071. This is shown in FIGS.
Here, FIG. 6 is a perspective view showing the appearance of the refrigerator. FIG. 7 is a perspective view showing a main part of FIG. 8 and 9 are perspective views showing a part of FIG. 7 in more detail. 10 is a cross-sectional view of FIG.
6 to 10, reference numeral 1 denotes an outer box of the refrigerator. Reference numeral 2 denotes an inner box of the refrigerator. Reference numeral 3 denotes a partition, which has a role of dividing the inside of the refrigerator into a refrigerator compartment and a freezer compartment. 3a is a front surface of the partition 3 (not shown in FIG. 7). Reference numeral 4 denotes a double flange, which is formed by folding the peripheral edge of the outer box 1 inward so as to form a groove. That is, the double flange 4 is provided with a front flange 4a by bending the peripheral edge of the plate-like outer box 1 inward, and further provided with a back flange 4b, a groove bottom 4c, and a rear flange 4d continuously to the front flange 4a. Thus, the groove 4e is formed. The front flange 4a and the rear flange 4b are provided with flange screw holes 4f. Reference numeral 5 denotes a reinforcing plate joined to the double flange 4. The reinforcing plate 5 is formed in a substantially U shape.
[0003]
Reference numeral 5 a denotes a reinforcing plate screw hole provided in the reinforcing plate 5. Further, 5b is a projection called a so-called projection and is formed on the reinforcing plate 5. The reinforcing plate 5 is electrically welded to the back surface of the rear flange 4d by spot welding with the projection 5b as a reference. In addition, 4g and 5c are a notch part and a hollow part provided in the rear flange 4d and the reinforcing plate 5 in order to pass a heat-radiating pipe (not shown), respectively.
[0004]
6 is a flange formed by bending the peripheral edge of the inner box 2 outward in two stages. 6 a is a first bent portion of the flange 6, and 6 b is a second bent portion of the flange 6. The second bent portion 6 b is inserted into the groove portion 4 e of the double flange 4. Reference numeral 7 denotes a fixed plate. The fixing plate 7 has three portions, that is, a first piece 7a that comes into contact with the back surface of a partition plate 8 described later, a second piece 7b that is bent at an angle along the first bent portion 6a of the flange 6, and both It is comprised from the neck part 7c which connects. 7d is a first piece screw hole provided in the first piece 7a, and 7e is a second piece screw hole provided in the second piece 7b.
[0005]
The fixing plate 7 is screwed to the reinforcing plate 5 by the first screw 15a through the first bent portion 6a of the inner box 2.
This screwing is performed by the second piece screw hole 7e and the reinforcing plate screw hole 5a.
Further, the fixing plate 7 is in contact with the front surface 3 a of the partition 3 at the bottom-like portion on the flat plate.
Reference numeral 8 denotes a partition plate. The partition plate includes a front surface portion 8a and an end portion 8b. The front surface portion 8a is provided with a front surface screw hole 8c, and the end portion 8b is provided with an end screw hole 8d. This end portion 8 b is inserted into the groove portion 4 e of the double flange 4 of the outer box 1. Reference numeral 9 denotes a hinge that rotatably supports a refrigerator door (not shown). 9a and 9b are a hinge first screw hole and a hinge second screw hole provided in the hinge 9, respectively. The hinge 9 is screwed to the front flange 4a by a second screw 15b penetrating the hinge second screw hole 9b and the end screw hole 8d through the flange screw hole 4f. Furthermore, the hinge 9 is screwed to the partition plate 8 by the third screw 15c penetrating the hinge first screw hole 9a and the first piece screw hole 7d through the front surface screw hole 8c. Reference numeral 10 denotes a heat insulating material that is injected and fired between the inner box 2 and the outer box 1.
[0006]
[Problems to be solved by the invention]
In the conventional refrigerator, it is necessary to screw the fixing plate 7 to the reinforcing plate 5 welded to the outer box 1 from the inner box 2 side. For this reason, there is a problem that it is difficult to match the reinforcing plate screw hole 5a and the second piece screw hole 7e, and the assembly workability is poor.
The present invention has been made to solve such a problem. The assembly of the hinge 9 is facilitated by fixing the hinge 9 only on the inner box 2 side without performing the welding operation to the outer box 1. The purpose is to improve workability.
[0007]
[Means for Solving the Problems]
A door, a hinge supporting the door, an inner box, an outer box covering the inner box, a partition having ribs and separating the inner box, and a partition to reinforce the fixing to the hinge partition A first reinforcing plate disposed at the corner; and a second reinforcing plate disposed at a position engaging with the rib via the inner box in order to reinforce the fixation of the first reinforcing plate to the inner box.
[0008]
In addition, the first reinforcing plate is configured in a substantially L shape having a front side piece that reinforces the fixing of the hinge to the partition and a side wall side piece that is reinforced to be fixed to the inner box by the second reinforcing plate. Is done.
[0009]
Furthermore, in the refrigerator according to the present invention, the inner partition and the first reinforcing plate are formed by fitting the partition provided with the first reinforcing plate to a mold for forming the inner box and vacuum forming the inner box. Are in close contact with each other.
[0010]
Still further, the first reinforcing plate of the refrigerator according to the present invention has a first rib that is coupled to the inner box when the inner box is vacuum-formed.
[0011]
Still further, the first reinforcing plate of the refrigerator according to the present invention has a first reinforcing plate screw hole, the second reinforcing plate has a second reinforcing plate screw hole, and is formed on the first reinforcing plate screw hole by vacuum forming. The first reinforcing plate and the second reinforcing plate are fixed by screwing the first reinforcing plate screw hole and the second reinforcing plate screw hole through the recess formed in the inner box. is there.
[0012]
Moreover, the 2nd reinforcement board of the refrigerator which concerns on this invention is an anchor shape.
[0013]
Furthermore, in the refrigerator according to the present invention, the first reinforcing plate is fitted into a partition groove portion provided in the partition.
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1
An embodiment of the present invention will be described with reference to FIG.
In FIG. 1, reference numeral 11 denotes an intermediate partition groove portion, which is provided in the vicinity of a corner near the position where the entire front surface of the intermediate partition 3 and a hinge 6 (not shown) are installed. Reference numeral 12 denotes a first reinforcing plate which is formed in a substantially L shape. The first reinforcing plate 12 is fitted into a corner of the partition groove 11. 12 a is a front side piece and is located on the front surface of the first reinforcing plate 12. 12c is a front side piece screw hole, and is provided in the front side piece 12a. Reference numeral 12 b denotes a side wall side piece, which is located on a side surface of the first reinforcing plate 12. 12d is a 1st reinforcement board screw hole, and is provided in the side piece 12b. 12e is a convex portion provided around the front side piece screw hole 12c and improves the strength of the front side piece screw hole 12c. Reference numeral 13 denotes an inner partition insertion groove, which is provided in the inner box 2 for inserting and fixing the inner partition 3. 13a is a through hole and is provided in the side surface of the partition insertion groove 13 near the position where the hinge 6 (not shown) is installed. Reference numeral 14 denotes a second reinforcing plate. The second reinforcing plate 14 is embedded with a heat insulating material 10 (not shown). For this reason, the 2nd reinforcement board 14 is comprised by the anchor shape. Here, the anchor shape is a shape having a plate-like portion for suppressing the movement of the second reinforcing plate 2 in the heat insulating material 10 and a bent portion for biting the heat insulating material in some cases. Say. As an example, in the present embodiment, a base portion and two blade-like plates are used, and the end portions thereof are bent. Reference numeral 14 a denotes a second reinforcing plate screw hole, which is provided at the base of the second reinforcing plate 14. The second reinforcing plate 14 and the first reinforcing plate 12 are screwed by the second reinforcing plate screw hole 14a and the fourth screw 15d penetrating the first reinforcing plate screw hole 12d through the through hole 13a.
[0014]
In FIG. 1, parts that are the same as or correspond to those in the prior art shown in FIGS. 6 to 10 are given the same reference numerals, and descriptions thereof are omitted, and parts that are different from FIGS. In the present embodiment, the case where the first reinforcing plate 12 is fitted in the partition groove 11 has been described. However, the present invention is not limited to this, and it can be simply arranged on the partition 3. Further, in the present embodiment, the case of screw fixing with the first screw 15a, the second screw 15b, the third screw 15c, the fourth screw 15d, and the like has been described. However, the present invention is not limited to this, and anything such as screw fixing may be used as long as it has the same strength.
[0015]
In this embodiment, since the second reinforcing plate is screwed to the inner box 2 side, it is not necessary to electrically weld the reinforcing plate 5 to the outer box 1 side by spot welding as in the conventional example. For this reason, the hinge 7 can be fixed only on the inner box 2 side, the assembly can be facilitated, and workability can be improved. In addition, no dedicated equipment for spot welding is required, and costs can be reduced. Furthermore, since the first reinforcing plate 12 and the second reinforcing plate 14 are only screwed to the inner box 2 side, the positions of the outer box 1 and the inner box 2 are not reliably determined. 5a and the second piece screw hole 7e do not match, and there is no problem that the mounting strength of the hinge 7 sufficient to support the door of the refrigerator cannot be obtained due to variations during assembly. In addition, since the second reinforcing plate 14 is configured by using an anchor embedded in the heat insulating material 10, the strength does not deteriorate even if the reinforcing plate 5 is not welded to the outer box 1 side. In the present embodiment, since the first reinforcing plate is fitted into the inner partition groove portion 11, the first reinforcing plate can be easily fixed, the assembly work efficiency can be improved, and the portion that rises when the inner box 2 is vacuum formed. There is an effect such as disappearing.
[0016]
Embodiment 2
Next, another embodiment of the present invention will be described with reference to FIGS. In FIG. 2, the inner partition groove 11 is provided over the entire front and side surfaces of the inner partition 3. Reference numeral 16 denotes a fixed bridge, which is provided on a corner side surface in the vicinity of the first partition plate 11 in the vicinity of the first partition plate in order to fix the first partition plate 12 to the partition wall groove 11. The first reinforcing plate 12 passes under the fixed bridge 12 and is fitted into the corner of the partition groove 11. By doing so, the first reinforcement provided on the side wall side piece 12b because the front side piece 12a of the substantially L-shaped first reinforcing plate 12 abuts against the front side of the partition 3 as apparent from FIG. Since the position in the front-rear direction on the side surface of the inner partition 3 of the plate screw hole 12d is determined and the first reinforcing plate 12 is fitted into the inner partition groove portion 11, the first reinforcing plate screw hole provided in the side wall side piece 12b The position in the vertical direction on the side surface of the inner partition 3 of 12d is determined. That is, the position of the first reinforcing plate screw hole 12 d provided in the side wall side piece 12 b of the first reinforcing plate 12 is specified with respect to the partition 3. Reference numeral 12f denotes a first rib. As an example, a first biting L-shaped rib having an L shape provided on the side wall side piece 12b of the first reinforcing plate is used. Reference numeral 17 denotes a second rib. Here, for example, a second biting L-shaped rib having an L shape is provided on the side wall side edge of the partition groove 11. As clearly shown in FIG. 2, the hinge 9 has a third screw 15 c as a hinge first screw hole 9 a, a front screw hole 8 c provided in the partition plate 8, and a front side piece provided in the first reinforcing plate 12. It is inserted into the screw hole 12 c and fixed to the partition 3.
[0017]
Next, how the inner box 2 is molded will be described with reference to FIG. The inner box 2 is formed by vacuum forming. In FIG. 3, 18 is a mold for forming an inner box. Further, 18a is the freezer compartment side of the mold 18, and 18b is the refrigerator compartment side. Further, reference numeral 18c denotes a mold groove portion into which a partition 3 for partitioning the inner box 2 into a refrigerator compartment and a freezer compartment during vacuum forming. Reference numeral 19 denotes an inner box sheet.
[0018]
The inner box 2 is molded by vacuum forming by inserting the partition 3 having the first reinforcing plate 12 disposed in the mold groove 18 c and then covering the mold 18 with the inner box sheet 19.
[0019]
At this time, the inner box sheet 19 is in close contact with the side wall side piece 12b of the first reinforcing plate 12 described in FIG. 2, and the first L-shaped biting rib 12f and the second L-shaped biting rib. 17, the inner box 2 and the first reinforcing plate 12 and the partition 3 are firmly fixed to each other. Moreover, when the inner box sheet | seat 19 closely_contact | adheres to the 1st reinforcement board screw hole 12d, the recessed part is made in the part. This recess serves as a mark when the through hole 13b is opened in the inner box 2. For this reason, the through-hole 13b can be provided easily.
[0020]
Next, fixation of the second reinforcing plate 14 to the inner box 2 will be described with reference to FIGS. 4 and 5. In both figures, 14b is a fitting part. In this embodiment, a cut-and-raised piece provided in the vicinity of the rising of the second reinforcing plate 14 from the base part to the wing part is used as an example. The cut-and-raised piece 14b is the one in the vicinity of the first reinforcing plate screw hole 12d (especially 17a and the like) in the second biting L-shaped rib 17 (the inner box 2 is in close contact by vacuum forming). The second reinforcing plate screw hole 14a and the first reinforcing plate screw hole 12d are provided at positions where they can be matched with each other. In the present embodiment, the case where a cut and raised piece is used as the fitting portion 14b has been described. However, the present invention is not limited to this, and anything may be used as long as the second reinforcing plate screw hole 14a and the first reinforcing plate screw hole 12d can be exactly matched by fitting.
2 to 5, the same or corresponding parts as those of the first embodiment shown in FIG. 1 are denoted by the same reference numerals and omitted, and the parts different from FIG. 1 have been described.
[0021]
In the present embodiment, the second reinforcing plate screw hole 14a and the first reinforcing plate screw hole 12d are just matched by the cut-and-raised piece 14b mating with the second biting L-shaped rib 17a. Therefore, in addition to the effects in the first embodiment, the matching positions of the first reinforcing plate screw hole 12d, the through hole 13b, and the second reinforcing plate screw hole 14a can be easily determined. For this reason, the 1st reinforcement board 12 and the 2nd reinforcement board 14 can be fixed easily and firmly with the 4th screw 15d via the inner box 2, and the dispersion | variation at the time of an assembly can be eliminated. it can.
[0022]
【The invention's effect】
The refrigerator according to the present invention includes a door, a hinge that supports the door, an inner box, an outer box that covers the inner box, a rib that has a rib and divides the inner box, and is fixed to the hinge divider. A first reinforcing plate disposed at a corner of the partition for reinforcement and a first reinforcing plate disposed at a position engaged with the rib via the inner box to reinforce the fixing of the first reinforcing plate to the inner box. 2 The reinforcing plate is provided, and it is not necessary to electrically weld the reinforcing plate to the outer box by spot welding. For this reason, by fixing the hinge 7 only on the inner box 2 side, the assembly can be facilitated and the workability can be improved, and the first reinforcing plate and the second reinforcing plate can be easily fixed. be able to.
[0023]
Moreover, the 1st reinforcement board of the refrigerator which concerns on this invention has a front side piece which reinforces fixation to the said partition of a hinge, and a side wall side piece reinforced fixation to an inner box by a 2nd reinforcement board. The inner box and the first reinforcing plate are firmly and firmly fixed to each other.
[0024]
Still further, the first reinforcing plate of the refrigerator according to the present invention has a first reinforcing plate screw hole, the second reinforcing plate has a second reinforcing plate screw hole, and is formed on the first reinforcing plate screw hole by vacuum forming. The first reinforcing plate and the second reinforcing plate are fixed by screwing the first reinforcing plate screw hole and the second reinforcing plate screw hole through the recess formed in the inner box. Yes, the inner box can be easily provided with a through hole.
[0025]
Further, the second reinforcing plate of the refrigerator according to the present invention has an anchor shape, and the strength is not inferior without welding the reinforcing plate to the outer box side.
[0026]
Furthermore, in the refrigerator according to the present invention, the first reinforcing plate is fitted into a partition groove provided in the partition, so that the first reinforcing plate can be easily fixed and the assembly work efficiency can be improved. Can do.
[Brief description of the drawings]
FIG. 1 is a perspective view of a refrigerator showing Embodiment 1 of the present invention.
FIG. 2 is a perspective view of essential parts of a refrigerator showing Embodiment 2 of the present invention.
FIG. 3 is a diagram showing a state of formation of an inner box 2 of a refrigerator showing a second embodiment of the present invention.
FIG. 4 is a perspective view showing fixation of the second reinforcing plate 14 to the inner box 2;
FIG. 5 is a cross-sectional view showing fixation of the second reinforcing plate 14 to the inner box 2;
FIG. 6 is a perspective view showing an external appearance of a conventional refrigerator.
7 is a perspective view showing a main part of FIG. 6. FIG.
FIG. 8 is a perspective view showing a part of FIG. 7 in more detail.
FIG. 9 is a perspective view showing a part of FIG. 7 in more detail.
10 is a cross-sectional view of FIG.
[Explanation of symbols]
1 outer box, 2 inner box, 3 partition, 4 double flange, 4a front flange, 4b back flange, 4c groove bottom, 4d rear flange, 4e groove, 4f flange screw hole, 4g notch, 5 reinforcing plate, 5a Reinforcement plate screw hole, 5b Projection, 5c Recessed portion, 6 Flange, 6a First bent portion, 6b Second bent portion, 7 Fixing plate, 7a First piece, 7b Second piece, 7c Neck, 7d First piece screw Hole, 7e second piece screw hole, 8 partition plate, 8a front part, 8b end, 8c front part screw hole, 8d end screw hole, 9 hinge, 9a hinge first screw hole, 9b hinge second screw hole, DESCRIPTION OF SYMBOLS 10 Heat insulating material, 11 Middle partition groove part, 12 1st reinforcement board, 12a Front side piece, 12b Side wall piece, 12c Front side piece screw hole, 12d 1st reinforcement board screw hole, 12e Convex part, 13 Partition insertion groove, 13a penetration , 14 2nd reinforcing plate, 14a 2nd reinforcing plate screw hole, 15a 1st screw, 15b 2nd screw, 15c 3rd screw, 15d 4th screw, 16 fixed bridge, 17 2nd rib, 18 Mold, 18a freezer compartment side, 18b refrigerator compartment side, 18c mold groove, 19 inner box sheet.

Claims (7)

Door,
A hinge supporting the door;
An inner box,
An outer box covering the inner box;
A partition having ribs and separating the inner box;
A first reinforcing plate disposed at a corner of the partition to reinforce the fixing of the hinge to the partition;
A refrigerator comprising: a second reinforcing plate disposed at a position engaged with the rib via the inner box in order to reinforce fixing of the first reinforcing plate to the inner box. The first reinforcing plate is
A front side piece that reinforces fixing of the hinge to the partition;
2. The refrigerator according to claim 1, wherein the refrigerator has a substantially L shape having a side wall piece that is reinforced by the second reinforcing plate to be fixed to the inner box. The inner partition on which the first reinforcing plate is disposed is fitted into a mold for forming an inner box, and the inner box and the first reinforcing plate are brought into close contact with each other by vacuum forming the inner box. The refrigerator according to claim 1 or 2, characterized in that. The refrigerator according to claim 3, wherein the first reinforcing plate has a first rib that is coupled to the inner box when the inner box is vacuum-formed. The first reinforcing plate has a first reinforcing plate screw hole, the second reinforcing plate has a second reinforcing plate screw hole, and is formed in the inner box on the first reinforcing plate screw hole by vacuum forming. The first reinforcing plate and the second reinforcing plate are fixed by screwing the first reinforcing plate screw hole and the second reinforcing plate screw hole through the recess. The refrigerator according to claim 3. The refrigerator according to claim 1, wherein the second reinforcing plate has an anchor shape. The refrigerator according to claim 1, wherein the first reinforcing plate is fitted into a partition groove provided in the partition.

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