KR19990056269A - Corner flange structure of the cabinet of the refrigerator - Google Patents

Abstract

The present invention provides a corner flange structure of a cabinet of a refrigerator that is easy to bend corners and assemble an inner box.

In the corner flange structure of the cabinet of the refrigerator, a pair of front flanges formed at the front corners of the first and second side parts 11 and 12, respectively, is bent vertically from the first and second side parts 11 and 12. Bent flanges 51, 51, overlapping flanges 52, 52 rolled from the folded flanges 51, 51 and overlapping the inner surface of the bent flanges 51, 51, and their overlapping flanges 52; And 52, which are bent from the gap maintenance flanges 53 and 53, which are bent from 52 and partially overlap the inner surfaces of the first and second side portions 11 and 12, and are overlapped with each other. Coupling flanges 54 and 54 to which the coupling curved portions 62 and 62 are coupled between the flanges 52 and 52, and ends bent from the coupling flanges 54 and 57 and joined to the heat insulating layer 10a. It is composed of a flange 55, characterized in that formed in the gap contacted so that the pair of front flanges do not overlap each other .

Description

Corner flange structure of the cabinet of the refrigerator

The present invention relates to a corner flange structure of a cabinet of a refrigerator, and more particularly, to a corner flange structure of a cabinet of a refrigerator, which can be manufactured simply and can be assembled easily.

Typically, the domestic refrigerator is largely divided into a freezer compartment 20, a refrigerating compartment 30, and the like, as shown in side cross-sectional view in FIG. 1, and a quick freezer compartment or a vegetable compartment is formed in the freezer compartment 20 and the refrigerating compartment 30. In some cases, shelves 32 and pockets 22 and 33 are installed in the inner space to accommodate the objects to be refrigerated. Such refrigerators are provided with coolant ducts 5 and recovery cold air passages 6 and 8 for circulating coolant circulating systems and cold air on the rear to lower sides of doors 21 and 31, and as compressor refrigerants ( 1), the condenser 2, the evaporator 3, and the like.

In the refrigerant circulation system, the gaseous refrigerant is compressed to high pressure and high temperature in the compressor (1), cooled in the condenser (2) to cause a phase change to a low temperature liquid refrigerant, and then, through a dryer, a capillary tube, After throttling at low pressure, it is flowed to the cooler 3 to generate heat exchange with the air in the refrigerator to form cold air inside the refrigerator, and is circulated through the cold air flow path by the fan 4 so that the desired refrigeration ( The effect is achieved. "9" is a defrost heater for removing the defrost generated in the evaporator 3 or the like.

Meanwhile, the structure of the main body 10 of the refrigerator is composed of a cabinet 10 'and an inner box 10 " and a urethane insulating layer 10a therebetween, and the cabinet 10' is manufactured as shown in FIG. For the sake of simplicity, it is formed by assembling the outer circumferential plate 11 and the thick plate 12 of the steel plate structure and the bottom plate 13 which is an injection molded product, and the foam plate 10b is installed on the bottom plate 13 so that the cabinet 10 'and In the state where the inner phase 10 "is assembled and hermetically sealed, urethane liquid is injected and foamed to form the urethane heat insulation layer 10a.

In addition, the lower plate 14 or the like is assembled at the bottom to form a machine room.

2 shows a flange structure of a cabinet of a conventional refrigerator in a plan view, FIG. 3 shows a structure of a side flange of the cabinet as a cross-sectional view taken along line 3-3 of FIG. 2, and FIG. 4 shows a structure of a flange of a corner portion of the cabinet. Is shown as cross-section 4-4 in FIG. 2.

2 and 3, the front and rear sides of the first and second side portions 11 and 12, that is, the upper side portion of the cabinet 10 ′, the first and second side portions 11 and 12 that are adjacent side portions of both side portions. The flanges are formed in each of them to be tightly coupled to the inner phase (10 ") to prevent leakage of the urethane liquid during urethane foaming so that the urethane is densely packed between the cabinet (10 ') and the inner phase (10"). It is possible to reduce post processing after foaming. In addition, the upper surface portion and both side portions of the cabinet 10 'is preferable to be manufactured by bending and processing with a single steel sheet, since it can reduce the manufacturing labor. The flanges of the cabinet 10 'of this structure are bent flanges 51 and 51, overlapping flanges 52 and 52, clearance maintaining flanges 53 and 53, and coupling flanges as shown in FIG. 54, 54, by the end flange 55 can be easily manufactured by bending or rolling from the first and second side portions (11, 12), further increasing the strength of the edge portion and the overlap flange Between 52 and 52 and the coupling flanges 54 and 54, it is firmly coupled to the coupling curved portions 62 and 62 of the inner phase 10 " to prevent leakage of urethane foam, and the end flange 55 In combination with the urethane forming the heat insulating layer (10a) to form a solid body, it is possible to remove acute angles in the exposed portion.

In the corner portion, as shown in FIG. 4, the bent flanges 51 and 51, the overlapping flanges 52 and 52, and the gap maintaining flanges 53 and 53 are provided at the first and second side surfaces 11 and 12. It is formed in the same manner as in the part, but the vertical overlapping portions 51 'and 52' and the horizontal overlapping portion 51 overlap the flanges of the first and second side portions 11 and 12 so as to maintain the airtightness of the corner portions. ", 52") is formed.

However, in the flange structure of the corner portion configured as described above, the vertical overlapping portions 51 ', 52' and the horizontal overlapping portions 51 ", 52" after the two bent flanges 51, 51 are shown in FIG. It is very difficult to bend and assemble the bending portions B0 so as to overlap each other, and it is very difficult to match the surfaces of the two bending flanges 51 and 51, and it is easy to deform even if they are matched, and thus the assembly labor is broken. It takes a lot, and there is a problem that the bending flanges 51 and 51 cannot be completely matched even after assembly.

Accordingly, an object of the present invention is to provide a corner flange structure of a cabinet of a refrigerator, which can be manufactured inexpensively and simply as a simple structure and which can be easily assembled as a simple structure. .

1 is a vertical cross-sectional view showing the structure of a conventional refrigerator,

2 is a plan view showing a flange structure of a cabinet of a conventional refrigerator,

3 is a cross-sectional view taken along line 3-3 of FIG. 2 showing the structure of the flange of the side of the cabinet;

4 is a cross-sectional view taken along line 4-4 of FIG. 2 showing the structure of a corner flange of the cabinet;

5 is a plan view showing a front corner flange structure of a cabinet of a refrigerator according to an embodiment of the present invention with a sectional view;

6 is an exploded view of FIG. 5;

7 is a plan view illustrating a rear corner flange structure of a cabinet of a refrigerator according to another embodiment of the present invention;

8 is an exploded view of FIG. 7;

* Explanation of symbols on the main parts of the drawing *

1: compressor 2: condenser

3: evaporator 4: fan

5: cold duct 6,8: cold air recovery flow path

7: Cold air supply 9: Defrost heater

10: main body 10 ': cabinet

10 ": inner phase 10a: urethane insulation layer

10b: foam cap 11: outer board

12: thick plate 13: bottom plate

14: lower plate 20: cold room

21,31: door 22,33: pocket

30: freezer 32: shelf

11,12: 1st and 2nd side part (or upper surface part)

51,56: bending flange 51 ', 52': vertical overlap

51 ", 52": Horizontal overlap 52: Overlap flange

53: crevice holding flange 54,57: coupling flange

55: end flange 61: inner flange

62: coupling curved portion B1 to B4: first to fourth bending portion

R, R1, R2: Rolling parts L1 to L5: Corner end lines

Corner flange structure of the cabinet of the refrigerator according to an embodiment of the present invention for achieving the above-described object is bent by the first and second side portions adjacent to form both sides and the upper surface to form a corner In the corner flange structure of the cabinet of the body of the refrigerator consisting of a cabinet and a rear plate coupled to the cabinet and provided with a heat insulating layer therebetween: a pair of front flanges respectively formed at the front corners of the first and second side portions; (B) a bending flange formed vertically bent from the first and second side portions, an overlapping flange rolled from the bending flange and overlapping the inner surface of the bending flange, and bent from the overlapping flange and bent from the first and second flanges; A crevice holding flange partially overlapping the inner surface of the side portion, and bent from the crevice holding flange and formed with the overlapping flange The coupling is a curved surface portion consists of end flanges engaged with the engaging flange is formed is bent from the coupling flange insulation layer is coupled, it characterized in that the pair of the front flange is formed of a gap in contact so as not to be superposed on each other.

In addition, a pair of rear flanges formed at the rear corners of the first and second side portions, respectively, is a bending flange formed by bending vertically from the first and second side portions, and the rolled flange is rolled from the bending flange of the bending flange It is composed of a coupling flange overlapping with a gap between the inner surface, the pair of rear flanges may be formed as a gap in contact so as not to overlap each other.

Hereinafter, with reference to the accompanying drawings will be described the integrated structure of the rear plate and the bottom plate of the refrigerator according to an embodiment of the present invention.

5 shows a front corner flange structure of a cabinet of a refrigerator according to an embodiment of the present invention as a plan view with a cross-sectional view, and FIG. 6 shows a developed view of FIG. 5.

In FIG. 5, the front flanges of the first and second side portions 11 and 12, which are adjacent side portions of the upper surface portion and both side portions of the cabinet 10 ′, are identically formed at the sides or the corner portions thereof. It is characterized in that the flanges of the first and second side portions 11 and 12 are formed in contact with each other so as not to overlap each other. That is, the front flange of the corner portion is composed of bending flanges 51 and 51, overlapping flanges 52 and 52, gap holding flanges 53 and 53, coupling flanges 54 and 54, and end flanges 55, respectively. It is formed in the same manner as in the side portion.

The bent flanges 51 and 51 are bent vertically from the first and second side portions 11 and 12 at the first bent portion B1 in FIGS. 5 and 6, and the overlapping flanges 52, 52 is rolled from the bent flanges 51 and 51 at the rolling portion R1 to overlap the inner surfaces of the bent flanges 51 and 51. The clearance maintaining flanges 53 and 53 are bent from the overlapping flanges 52 and 52 at the second bending portion B2 to partially overlap the inner surfaces of the first and second side portions 11 and 12. Coupling flanges 54 and 54 are third bending portions from the gap holding flanges 53 and 53 such that coupling surfaces 62 and 62 of the inner box 10 " are coupled between the overlapping flanges 52 and 52. Further, the end flanges 55 and 55 are bent at the fourth bending part B4 to be coupled to the heat insulating layer 10a to form free ends in the heat insulating layer 10a.

The pair of front flanges of the corner portion configured as described above, the bending flanges (51, 51), overlapping flanges 52, as in the developed view of Figure 6 to form a gap in contact with each other so as not to overlap at the corner end 52, the gap holding flanges 53 and 53, and the coupling flanges 54 and 54 and the end flange 55 are cut at the corner end lines L1 to L4, respectively.

In this way, the first and second side parts 11 and 12 can be easily manufactured by bending or rolling from the first and second side parts 11 and 12. Furthermore, the first and second side parts 11 and 12 are bent at the bending part B0. Since there is no need to overlap when bending, it can be easily assembled, and the outer surfaces of both bending flanges 51 and 51 are matched without being deformed.

In addition, the rear flange can be configured more simply. That is, in Figs. 7 and 8, the rear flanges of the corner portions are formed in the same manner as the edge portions, and the bending flanges 56 and 56 are formed by bending vertically from the first and second side portions 11 and 12. ) And coupling flanges 57 and 57 which are rolled from the bending flanges 56 and 56 and overlap each other with a gap between the inner surfaces of the bending flanges 56 and 56, and the pair of rear flanges do not overlap each other. It is formed with a gap so as not to contact. As such, the bending flanges 56 and 56 may be manufactured by bending at the first bending part B1 and rolling at the rolling part R2, and the first and second side parts 11 and 12 at the bending part B0. As shown in FIG. 8, the bending flanges 56 and 56 and the coupling flanges 57 and 57 are cut at the corner end lines L1 and L5, respectively, so as to form a gap in contact with each other when bent. Thus, the rear flange of the corner portion can be configured more simply because it is combined with the rear plate.

As described above, according to the configuration and function of the corner flange structure of the cabinet of the refrigerator according to an embodiment of the present invention, the flanges of the first and second side portions at the corners are configured to be in contact with each other so that they do not overlap. It can be easily processed during the bending of the first and second side portions, can be easily assembled with the inner wound, and the bending flanges appearing outside can not be completely matched, so that the appearance is also good. . Although the present invention has been described and illustrated through one embodiment, it will be apparent to those skilled in the art that various changes and applications can be made within the scope of the present invention.

Claims (2)

The cabinet 10 ', which is bent into adjacent first and second side portions 11 and 12 to form corners to form both side portions and an upper surface portion, is coupled to the cabinet 10' and a heat insulating layer 10a therebetween. In the corner flange structure of the cabinet of the main body of the refrigerator which consists of this inner box 10 "and a thick plate which are provided: A pair of front flanges formed at the front corners of the first and second side portions 11 and 12, respectively, are bent flanges 51 and 51 vertically bent from the first and second side portions 11 and 12. ), Overlapping flanges 52 and 52 which are rolled from the bent flanges 51 and 51 and overlap the inner surfaces of the bent flanges 51 and 51, and are bent from the overlapping flanges 52 and 52, respectively. And gap clearance flanges 53 and 53 partially overlapping the inner surfaces of the second side portions 11 and 12, and bent from the gap maintenance flanges 53 and 53, and between the overlap flanges 52 and 52, respectively. The coupling flanges 54 and 54 to which the coupling curved portions 62 and 62 are coupled, and end flanges 55 which are bent from the coupling flanges 54 and 57 and are coupled to the heat insulating layer 10a. Corner flange structure of the cabinet of the refrigerator, characterized in that formed in the gap contacting the pair of front flanges so as not to overlap each other . 2. The pair of rear flanges formed in the rear corners of the first and second side portions 11 and 12, respectively, are bent vertically from the first and second side portions 11 and 12. A pair of bending flanges 56 and 56 and coupling flanges 57 and 57 which are rolled from the bending flanges 56 and 56 and overlap the inner surface of the bending flanges 56 and 56 with a gap therebetween. Corner flange structure of the cabinet of the refrigerator, characterized in that the rear flanges are formed in contact with each other so as not to overlap each other.