CN204027171U - Refrigerator - Google Patents

Abstract

The utility model provides a kind of refrigerator that can reduce costs and improve yield rate.Described refrigerator (1) has heat insulating box (2), this heat insulating box (2) there is the interior case (9) of peristome above and cover in be filled with foamed heat-insulating material (23) between the outer container (8) in case (9) outside, outer container (8) has the side panel (44) that forms side and the backplate (40) that forms the back side, backplate (40) is provided with and makes the forwards bend (50) of bending of both sides, and be provided with the maintaining part (52) of utilizing elasticity to keep bend (50) in the rearward end of side panel (44), bend (50) has the plastic deformation of utilizing and multiple juts (51) of forming.

Description

refrigerator

technical field

The utility model relates to a refrigerator with a heat-insulating box body.

Background technique

Patent Document 1 discloses a conventional refrigerator. The above-mentioned refrigerator has a heat insulating box filled with a foamed heat insulating material between an inner box of a resin molded product having an opening at the front and an outer box of a metal plate covering the outside of the inner box. The inner box is used to define the interior of the heat-insulated box and form multiple storage rooms.

The outer box is formed by a top panel, side panels, a back panel and a bottom panel. The top and side panels forming the top and side surfaces of the heat insulating box are formed by bending the same metal plate. The bottom plate forming the bottom surface of the heat insulation box is arranged on the support member installed at the lower part of the two side panels and erected between the two side panels.

In general, the back panel forming the back of the heat insulating box is formed in a U-shape having bent portions that bend the left and right ends forward, and the back panel is inserted into the fitting portion where the sides of the side panels are inserted. The rear end is bent into an S shape. The back panel is mounted by elastically clamping the bent part of the fitting part.

Patent Document 1: Japanese Patent Laid-Open Publication No. 2010-276309

According to the above-mentioned conventional refrigerator, when the metal plate forming the outer box is thinned for cost reduction, since both side panels are connected by the top plate, it is difficult to bend, and the flat state can be maintained. However, the back panel may be bent toward the front side in the height direction by bending the bent portion due to its own weight during transportation or the like in the manufacturing process. As a result, the yield of refrigerators deteriorates.

Utility model content

The purpose of the utility model is to provide a refrigerator which can reduce the cost and improve the yield.

In order to achieve the above object, the utility model provides a refrigerator, which has a heat-insulating box, and the heat-insulating box is filled with foam In the heat insulating material, the outer box has side panels forming side surfaces and a back panel forming a back surface, the back panel is provided with a curved portion that bends both sides forward, and the rear end of the side panel is provided with A holding portion elastically holds the bent portion having a plurality of protrusions formed by plastic deformation.

Moreover, in the refrigerator of the said structure of this invention, the said protrusion part extends along an up-down direction, and is juxtaposed in an up-down direction.

In addition, in the refrigerator with the above-mentioned structure of the present invention, the protrusions are arranged in multiple rows along the horizontal direction, and the protrusions of adjacent rows are offset in the vertical direction.

Moreover, in the refrigerator of the said structure of this invention, the said protrusion part extends along the front-back direction, and is juxtaposed in the up-down direction.

In addition, in the refrigerator with the above-mentioned structure of the present invention, the protrusions protrude inward and extend to the front end of the curved portion, and the front of the groove formed on the outer surface between the protrusions is open, and the front of the groove is opened. The rear end of the groove portion is disposed more rearward than the rear end of the side panel.

According to the present invention, the bent portions provided on both sides of the back panel of the outer box have a plurality of protrusions formed by plastic deformation. Thereby, the back panel can be reinforced, and even if the thickness of the outer case is reduced, the back panel can be prevented from warping. Therefore, it is possible to reduce the cost of the refrigerator and improve the yield. Moreover, the gas at the time of foaming of the foam heat insulating material is discharged through between the plurality of protrusions arranged in the bent portion in the holding portion. Therefore, there is no need to provide gas discharge holes on the back of the refrigerator, so that the refrigerator can be more beautiful.

Description of drawings

Fig. 1 is a side sectional view showing a refrigerator according to a first embodiment of the present invention.

Fig. 2 is a perspective view showing a heat insulating box of the refrigerator according to the first embodiment of the present invention.

Fig. 3 is a perspective view showing a rear panel of the refrigerator according to the first embodiment of the present invention.

Fig. 4 is an enlarged front view of part A of Fig. 3 .

Fig. 5 is a top sectional view taken along line B-B of Fig. 2 .

Fig. 6 is a perspective view showing a rear panel of a refrigerator according to a second embodiment of the present invention.

Fig. 7 is an enlarged front view of part C in Fig. 6 .

Fig. 8 is a side sectional view taken along line D-D of Fig. 7 .

Fig. 9 is a perspective view showing main parts of a side panel of a refrigerator according to a third embodiment of the present invention.

Fig. 10 is a top sectional view taken along line E-E of Fig. 9 .

Explanation of reference signs

1 refrigerator

2 Insulated box

3 cold rooms

3a Opening

4 Freezers

4a Opening

5 vegetable room

5a opening

6, 7 partition

8 outer boxes

9 inner box

10 storage containers

12 storage containers

14 fans

15 cooler

16 Mechanical Room

17 compressor

18 injection port

19 injection port

20 air-conditioning channels

21 cold air channel

22 cold air channel

23 foam insulation material

40 back panel

41 top plate

42 bottom plate

44 side panels

44a Backend

45 injection port

46 Support members

50 bends

51 protrusion

52 Keeping Department

52a Vent

52b side wall

53, 54, 55 Clearance

56 Groove

56a front

56b backend

Detailed ways

<First Embodiment>

Hereinafter, embodiments of the present utility model will be described with reference to the accompanying drawings. Fig. 1 is a side sectional view showing a refrigerator 1 according to a first embodiment. Refrigerator 1 has heat insulation box 2 filled with foam heat insulation material 23 such as polyurethane foam between outer box 8 and inner box 9 .

The heat insulation box body 2 is provided with a refrigerator compartment 3, a freezer compartment 4 and a vegetable compartment 5 sequentially from above. The refrigerator compartment 3 and the freezer compartment 4 are separated by a partition 6 formed in advance and assembled in the inner case 9, and the freezer compartment 4 is partitioned by another partition 7 formed in advance and assembled in the inner case 9. and vegetable room 5. The partitions 6 and 7 are filled with heat insulating materials such as expanded polystyrene.

The refrigerating room 3 refrigerates storage, and opens and closes the front opening 3a with a swing-type door 3b. The freezer compartment 4 freezes stored items, and opens and closes the front opening 4a with a pull-out door 4b integrally formed with a storage container 12 for storing the stored items.

The vegetable compartment 5 refrigerates stored items at a refrigerated temperature higher than that of the refrigerated compartment 3, and accommodates vegetables, fruits, and the like. The opening part 5a of the front of the vegetable compartment 5 is opened and closed by the drawer type door 5b integrally formed with the storage container 10. As shown in FIG.

A machine compartment 16 is provided on the rear side of the vegetable compartment 5 . A compressor 17 for operating the refrigeration cycle is arranged in the machine room 16 . The back of the machine room 16 is closed by a machine room cover (not shown).

A cold air passage 21 through which cold air circulates is provided at the back of the freezer compartment 4 . A discharge port 21a and a return port 21b facing the inside of the freezer compartment 4 are opened in the cool air duct 21 . A cooler 15 serving as a low-temperature portion of the refrigeration cycle is arranged in the cold air passage 21 . A fan 14 is arranged above the cooler 15 .

A cold air passage 22 communicating with the cold air passage 21 is provided at the back of the refrigerating chamber 3 through a baffle (not shown). In the cold air passage 22, a discharge port 22a facing the inside of the refrigerator compartment 3 is opened. The cool air drawn out from the communication passage (not shown) communicating with the vegetable compartment 5 in the refrigerator compartment 3 and flowing out from the refrigerator compartment 3 is ejected into the vegetable compartment 5 through the communication duct.

FIG. 2 shows a perspective view viewed from the rear of the heat insulating box 2 . The inner case 9 is formed of a resin molded product, and the outer case 8 is formed of a metal plate such as a steel plate. The outer case 8 is arranged outside the inner case 9 at a predetermined distance from the inner case 9 , and a foam heat insulating material 23 is filled therebetween.

The outer case 8 is formed of a top panel 41 , side panels 44 , a rear panel 40 and a bottom panel 42 . The top plate 41 and the side plates 44 forming the top surface and side surfaces of the heat insulating box 2 are formed by bending the same metal plate.

The bottom plate 42 forming the bottom surface of the heat insulating box 2 is provided on a support member 46 mounted on the lower part of the side panels 44 and bridged between the side panels 44 . The side panel 44 is provided with an injection port 45 for injecting the stock solution of the heat insulating foam material 23 . Moreover, the heat insulation box 2 is arrange|positioned so that the back panel 40 may face upward, and the undilute|stock solution of the foam heat insulation material 23 is inject|poured from the injection port 45. As shown in FIG.

FIG. 3 is a perspective view showing the rear panel 40 , and FIG. 4 is an enlarged front view showing a portion A of FIG. 3 . The back panel 40 has a curved portion 50 formed in a substantially U-shape, and formed by bending both side portions forward.

A plurality of protrusions 51 are provided on the bent portion 50 . The protruding portion 51 is formed by plastic deformation at the same time when the bent portion 50 is formed by pressing the rear panel 40 . The plurality of protrusions 51 extend in the vertical direction and are arranged vertically with gaps 53 therebetween.

In addition, a plurality of protrusions 51 are arranged horizontally across gaps 54 , and protrusions 51 in adjacent rows are arranged offset vertically. In addition, although the protrusion part 51 is provided in two rows in the said figure, it may arrange in three or more rows.

Fig. 5 is a plan sectional view taken along line B-B in Fig. 2 . The side panel 44 has the holding|maintenance part 52 which folded back the rear end 44a of both sides, and was bent in U shape. The holding part 52 holds the bending part 50 with elasticity. At this time, the front end of the protruding portion 51 abuts against the side wall 52 b of the holding portion 52 . Moreover, the holding|maintenance part 52 is formed with the vent hole 52a, and this vent hole 52a is formed in the magnitude|size (for example, diameter 1mm) of the extent (for example, diameter 1mm) of the extent which the foam heat insulating material 23 does not leak.

In the refrigerator 1 having the above structure, when the stock solution of the foamed heat insulating material 23 is filled from the inlet 45 , the gas generated by foaming enters the exhaust hole 52 a of the holding portion 52 . Then, the gas is discharged to the outside of the refrigerator 1 through the gaps 53 and 54 formed between the protrusions 51 .

According to the present embodiment, the curved portion 50 provided on both sides of the rear panel 40 of the outer case 8 has a plurality of protrusions 51 formed by plastic deformation. Thereby, the back panel 40 can be reinforced, and even if the thickness of the outer case 9 is reduced, the back panel 40 can be prevented from bending. Therefore, the cost of the refrigerator 1 can be reduced and the yield can be improved. In addition, the gas at the time of foaming of the heat insulating foam material 23 is discharged through between the plurality of protrusions 51 of the curved portion 50 arranged in the holding portion 52 . Therefore, there is no need to provide exhaust holes on the back of the refrigerator 1, and the appearance of the refrigerator 1 can be improved.

Moreover, since the protrusion part 51 is extended in the up-down direction, and is provided in the up-down direction via the gap 53, the gas which generate|occur|produces when filling the heat insulating foam material 23 can be easily exhausted.

In addition, since a plurality of rows of protrusions 51 are provided in the horizontal direction, and adjacent rows of protrusions 51 are offset vertically, the rear panel 40 can be further strengthened and foreign matter can be prevented from entering the holding portion 52 through the gap 53 .

In addition, in this embodiment, a through-hole communicating the inner surface side and the outer surface side of the bent portion 50 may be provided. Thereby, the gas entering the holding portion 52 can be guided to the outer surface side of the bent portion 50 through the through hole, and the gas can be easily discharged.

<Second Embodiment>

Next, refrigerator 1 according to the second embodiment will be described. This embodiment is different from the first embodiment in the shape of the protrusion 51 . Other parts are the same as the first embodiment. 6 is a perspective view showing the rear panel 40 according to this embodiment, FIG. 7 is an enlarged front view of part C in FIG. 6 , and FIG. 8 is a side sectional view taken along line D-D in FIG. 7 . For convenience of description, the same reference numerals are used for the same parts as those of the first embodiment.

A plurality of protrusions 51 extending in the horizontal direction are arranged on the curved portion 50 of the rear panel 40 . The protrusions 51 are formed by plastic deformation by press working on the back panel 40 , and the protrusions 51 extend horizontally and have gaps 55 vertically from the upper portion to the lower portion of the bent portion 50 . In addition, a plurality of protrusions 51 may be provided along the horizontal direction.

According to this embodiment, the same effect as that of the first embodiment can be obtained.

<Third Embodiment>

Next, refrigerator 1 according to the third embodiment will be described. This embodiment is different from the first embodiment in the shape of the protrusion 51 . Other parts are the same as the first embodiment. FIG. 9 is a perspective view showing the main part of the rear panel 40 according to this embodiment, and FIG. 10 is a plan sectional view taken along line E-E of FIG. 9 . For convenience of description, the same reference numerals are used for the same parts as those of the first embodiment.

A plurality of protrusions 51 extending in the horizontal direction are provided on the curved portion 50 of the rear panel 40 . The protrusions 51 are formed by plastic deformation by press working of the rear panel 40 . The protruding portion 51 protrudes inward (opposite to the side of the bent portion 50 ), and extends to the front end of the bent portion 50 .

Moreover, the groove part 56 formed in the outer surface side of the protrusion part 51 opens the front surface 56a, and the rear end 56b is arrange|positioned behind rather than the rear end 44a of the side panel 44. As shown in FIG. As a result, the gas that has entered into the holding portion 52 when the heat insulating foam material 23 is foamed is discharged through the groove portion 56 .

According to this embodiment, since the protrusions 51 extend in the front-rear direction and are arranged side by side in the up-down direction, the same effect as that of the first embodiment can be obtained.

Moreover, the front surface 56a of the groove part 56 formed in the outer surface side of the protrusion part 51 is open, and the rear end 56b is arrange|positioned behind rather than the rear end 44a of the side panel 44. As shown in FIG. Therefore, the gas during foaming of the heat insulating foam material 23 can be discharged through the groove portion 56 . Since the groove part 56 is arrange|positioned in the holding|maintenance part 52 invisible from the outside, it can prevent that the beauty of the refrigerator 1 is spoiled.

Industrial Applicability

The utility model can be applied to refrigerators with heat-insulating boxes.

Claims (5)

1. a refrigerator, it has heat insulating box, and described heat insulating box has the interior case of peristome and covers between the outer container in described interior case outside and is filled with foamed heat-insulating material above,

Described refrigerator is characterised in that,

Described outer container has the side panel that forms side and the backplate that forms the back side, described backplate is provided with and makes the forwards bend of bending of both sides, and be provided with the maintaining part of utilizing elasticity to keep described bend in the rearward end of described side panel, described bend has the plastic deformation of utilizing and multiple juts of forming.

2. refrigerator according to claim 1, is characterized in that, described jut extends along the vertical direction, and is set up in parallel on above-below direction.

3. refrigerator according to claim 2, is characterized in that, described jut along continuous straight runs is provided with multiple row, described jut offset configuration on above-below direction of adjacent columns.

4. refrigerator according to claim 1, is characterized in that, described jut extends along fore-and-aft direction, and is set up in parallel on above-below direction.

5. refrigerator according to claim 4, is characterized in that,

The front end of described bend is given prominence to and extended to described jut to the inside,

Be formed on the open-front of the slot part on the outer surface between described jut, and the backend arrangement of described slot part becomes to rely on rear than the rear end of described side panel.