JPH029351Y2 - - Google Patents

Description

[Detailed description of the invention] a. Industrial application field The present invention relates to the inner box of a refrigerator, etc., and is particularly aimed at preventing foaming liquid filled between the inner box and the outer box from leaking into the inner box after the inner box is assembled. It relates to new improvements for the purpose of

b. Prior Art Various structures have been adopted for this type of inner box that have been used in the past, but a typical structure is one with a top plate 1 as shown in Figure 4.
A punch hole 1b is formed in each of the joint parts 1a and 2a of the right side plate 2, and a rivet 1c is provided through each of the punch holes 1b. A configuration was adopted in which they were integrated using spot welding.

Furthermore, in order to prevent the foaming liquid from leaking into the inner box, which is the inside of the refrigerator, a pasting member 3 made of paper, tape, etc. was provided at each joint 1a, 2a.

Furthermore, a method has already been proposed in which the joints are clamped using clip-like holding members instead of rivets or stud welding (see Japanese Utility Model Application Publication No. 161485/1985).

c Problems to be solved by the invention However, in the conventional structure as described above, in order to form the left and right side plates, top plate, bottom plate, etc. into a box shape, the process of integrating each joint with a large number of rivets, or , spot welding was required at multiple locations, requiring a large amount of assembly time and process.

Furthermore, after assembling the inner box, pasting of paper and tape is required as part of the assembly process, resulting in a significant increase in costs. Furthermore, in the case of clip-shaped holding members, even if sealing work after assembly is not necessary, it is necessary to prevent misalignment of members such as left and right side plates, top plate, rear plate, bottom plate, etc. during and after assembly. Therefore, various assembly jigs are required, and as expected,
A considerable amount of assembly work was required, and the cost reduction was not sufficient.

d. Means for solving the problems The purpose of the present invention is to provide an extremely suitable means for quickly eliminating the above-mentioned drawbacks, and this invention has been developed to achieve this purpose. The gist of this is that joints are formed at the ends of the right side plate, left side plate, bottom plate, rear plate, and bottom plate of the inner box whose outer surface is filled with foaming liquid, and the corresponding joints are joined together. In the inner box of a refrigerator, etc.
A holding member having a substantially U-shaped cross section fitted to at least one pair of the joined parts, and at least one of the fitted parts of the holding member.
a protrusion that passes through a punch hole formed at a position corresponding to the punch hole of the joint portion corresponding to the joint portion where the punch hole is formed, and the holding member The first tongue piece is formed in a curved shape, and the engaging part is formed continuously with the first tongue piece. By engaging with the protrusion,
The present invention is an inner box for a refrigerator, etc., characterized in that the holding member holds each joint.

e Effect During assembly, by passing the protrusion into the hole, it is possible to easily accurately position each joint, and there is no misalignment between the joints after positioning, making assembly work easier. can be done extremely easily. Further, the first tongue piece is joined to one surface of the joint part, and the engaging part is engaged with the protrusion part, so that the holding member holds each joint part, and each joint part is tightly connected to each other. This makes it possible to reliably prevent foaming liquid from leaking into the inner box from the joint surfaces of each joint.

f. Embodiments Hereinafter, preferred embodiments of the inner box for a refrigerator or the like according to the present invention will be described in detail with reference to the drawings. In addition, the same reference numerals are attached to the same or equivalent parts as in the conventional example in the explanation.

FIG. 3 is a perspective view showing the inner box, and the first joint 1a formed at both ends of the top plate 1 is joined to the second and third joints 2a and 4a of the right side plate 2 and left side plate 4. A sixth joint portion 5a formed at both ends of the bottom plate 5 is joined to the fourth and fifth joint portions 2b and 4b formed at the lower ends of the right side plate 2 and the left side plate 4.

Furthermore, a seventh joint 1 formed on the top plate 1
d, an eighth joint 6 formed at the upper end of the rear plate 6
The ninth joint part 6b formed at both ends of the rear plate 6 is joined to the tenth joint part 2c and the eleventh joint part 4 formed at the rear ends of the right side plate 2 and left side plate 4.
It is joined to c.

Furthermore, the twelfth joint portion 6c formed at the lower end of the rear plate 6 is connected to the thirteenth joint portion 6c formed at the rear end of the bottom plate 5.
It is joined to the joint portion 5b.

Each of the joint parts 1a, 2a, 4a, 2b, 4b,
5a, 1d, 6a, 6b, 2c, 4c, 6c and 5b are all joined by the structure shown in FIG.

That is, the configuration of FIG. 1 is an enlarged cross-sectional view of the portion indicated by the dotted chain circular portion A in FIG.
2c, 4c, and 6c are all the first
Similar to the joint part 1a, it is arranged on the upper side, and the punch hole 1b
are formed at predetermined intervals.

Moreover, each of the joint parts 2a, 4a, 5a, 6a, 6
b and 5b are both disposed on the lower side similarly to the second joint 2a shown in FIG. 1, and protrusions 1c are formed at regular intervals at positions corresponding to the respective punch holes 1b. .

Furthermore, a holding member 3 having a substantially U-shaped cross section and made of a molded product such as synthetic resin is inserted into the outer surfaces of the first joint part 1a and the second joint part 2a from the direction of arrow C and fitted. The first tongue piece 3a formed on the upper first piece 3b of the holding member 3 is in contact with the first joint part 1a, and is continuously connected to the first tongue piece 3a. The formed inclined engagement part 3e is provided so as to be able to engage with the corner of the protruding part 1c, and is configured so that the holding member 3 does not easily come off after insertion.

The first piece 3b is disposed so as to straddle the protruding part 1c, is configured to be in a non-contact state with the protruding part 1c, and has sufficient springiness so that the first tongue piece 3
a is joined to the first joint portion 1a by applying a pressure contact force.

Furthermore, a second portion 3c on the lower side of the holding member 3
At the tip of the curved second tongue piece 3f forming a mountain shape,
is formed, and this second tongue piece 3f is connected to the second tongue piece 3f.
The first piece 3b and the second piece 3c are connected to the joint part 2a, and the first piece 3b and the second piece 3c are integrally connected by a connecting piece 3d. Therefore, the first joint part 1a and the second joint part 2a are firmly held between the first and second tongue pieces 3a and 3f of the holding member 3, and the foaming liquid is formed between each joint part 1a and 2a. A tight state is maintained without forming any gaps that would cause leakage.
Further, since the protruding portion 1c passes through the hole 1b, the respective joint portions 1a and 2a can be accurately positioned.

The connection structure of the holding member 3 provided at the first joint part 1a and the second joint part 2a is described for the part shown by the circular part A in FIG. , 2b, 4b, 5a, 1
d, 6a, 6d, 2c, 4c, 6c and 5b are
In each case, the first, second, joint parts 1a and 2a
They are joined using exactly the same configuration.

Furthermore, when an outer box (not shown) is provided in the inner box 10 having the above-described structure, and the foaming liquid is injected into a gap (not shown) formed between the inner box 10 and the outer box, a second As shown in the figure, the foaming liquid is applied from both sides of the holding member 3 in the direction of arrow F,
The respective tongues 3a and 3f are in a state of sandwiching the respective joint portions 1a and 2a, and the tightness of the respective joint portions 1a and 2a becomes more reliable. Also, the inner box 1
All other joints 4a, 2b, 4b, 5 of 0
a, 1d, 6a, 6b, 2c, 4c, 6c and 5
Also in case b, close contact is ensured in the same way as described above.

The holding member 3 is formed so that the second tongue piece 3f protrudes longer than the first tongue piece 3a, so that when the holding member 3 is inserted in the direction of arrow C, it can be easily inserted. and is configured so that they can be fitted together.

In addition, the protrusion 1c and the hole 1 in this embodiment
b can be formed on either the upper or lower joint; in this case, by aligning the vertical direction of the holding member 3 according to the protruding direction of the protruding part,
The same effect can be easily achieved.

g. Effects of the invention Since the inner box for a refrigerator, etc. according to the invention has the above-described structure and function, it is easy to accurately position each joint by passing the protrusion into the hole. Since there is no misalignment between the joints after positioning, assembly is extremely easy and assembly time can be reduced.On the other hand, the approximately U-shaped holding member allows each joint to be It is possible to prevent foam leakage from.

Moreover, since the first locking part of the holding member engages with the protruding part, after the holding member is fitted, the holding member does not easily separate from each joint, and is stable and stable. It is possible to perform reliable assembly and obtain a significant improvement in quality.

[Brief explanation of the drawing]

Figures 1 to 3 are for showing the inner box of a refrigerator, etc. according to the present invention. Figure 1 is a sectional view showing the main part of Figure 3, and Figure 2 is a holding member of Figure 1. FIG. 3 is a perspective view showing the entire inner box, and FIG. 4 is a perspective view of main parts showing a conventional configuration. 1 is the top plate, 1a is the first joint, 1b is the punch hole,
1c is a protrusion, 2 is a right side plate, 2a is a second joint,
3 is a holding member, 3a is a first tongue piece, 3b is a first piece, 3c is a second piece, 3d is a connecting part, 3e is an engaging part, 3f is a second tongue piece, 4 is a left side plate, 4a is the third joint, 2b is the fourth joint, 4b is the fifth joint, 5
is the bottom plate, 5a is the sixth joint, 1d is the seventh joint,
6 is the rear plate, 6a is the 8th joint, 6b is the 9th joint, 2c is the 10th joint, 4c is the 11th joint, 6c
is the 12th joint, 5b is the 13th joint, and 10 is the inner box.

Claims (1)

[Claims for Utility Model Registration] (1) Joints 1a and 2a at the ends of the right side plate 2, left side plate 4, top plate 1, rear plate 6, and bottom plate 5 of the inner box whose outer surface is filled with foaming liquid. , 4a, 2b, 4b, 5
a, 1d, 6a, 6b, 2c, 4c, 6c, 5
In an inner box for a refrigerator, etc., formed by forming a shape b and joining corresponding joint parts, the cross section fitted to at least one pair of the joint parts formed by the joints has a substantially U-shape. a holding member 3, a punching hole 1b formed in at least one fitted joint of the holding member 3, and a punching hole 1b formed in the fitting portion of the holding member 3;
a protrusion 1c that passes through the punch hole 1b formed at a position corresponding to the punch hole 1b of the joint portion corresponding to the joint portion where b is formed; and a first bent portion formed in the holding member 3; Tongue piece 3a,
The first tongue piece 3a is connected to one surface of the joint part 1a, and the engaging part 3e is connected to the protrusion part 1c. An inner box for a refrigerator or the like, characterized in that the holding member 3 clamps the joint parts 1a and 2a by fitting them together. (2) A bent second tongue piece 3f is formed on the holding member 3, and each joint portion 1a, 2a is held between the first and second tongue pieces 3a, 3f. An inner box for a refrigerator, etc. as set forth in claim 1 of the utility model registration claim. (3) Utility model registration claim 1 or 2, characterized in that the first piece 3b formed on the holding member 3 is held in a non-contact state with the protrusion 1c. The inner box of the refrigerator, etc. mentioned. (4) The inner box of the refrigerator according to claim 1, 2, or 3, wherein the engaging portion 3e is formed to be inclined.