CN106196859B - Refrigerator - Google Patents

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Publication number
CN106196859B
CN106196859B CN201510434066.6A CN201510434066A CN106196859B CN 106196859 B CN106196859 B CN 106196859B CN 201510434066 A CN201510434066 A CN 201510434066A CN 106196859 B CN106196859 B CN 106196859B
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China
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thermal insulation
vacuum
storeroom
insulation board
heat insulating
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CN201510434066.6A
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CN106196859A (en
Inventor
住广胜志
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Toshiba Lifestyle Products and Services Corp
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Toshiba Lifestyle Products and Services Corp
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Publication of CN106196859A publication Critical patent/CN106196859A/en
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Abstract

Refrigerator of the invention can be improved heat-proof quality, have heat insulating box.The foot support member that heat insulating box includes bottom thermal insulation wall, is arranged to foot part outstanding downwards than bottom thermal insulation wall, is set to bottom thermal insulation wall and installs foot part.Bottom thermal insulation wall include interior case, the bottom outside for constituting heat insulating box bottom plate, be set between interior case and bottom plate bottom plate side the 1st bottom vacuum thermal insulation board, be set to the inner box side of the 1st bottom vacuum thermal insulation board between interior case and bottom plate and cover the 2nd bottom vacuum thermal insulation board of the 1st bottom vacuum thermal insulation board.Bottom plate include installation foot support member mounting portion, foot support member thickness direction in such a way that at least part is overlapped prominent downwards and formed and recess portion that store the 1st bottom vacuum thermal insulation board.2nd bottom vacuum thermal insulation board is formed as avoiding mounting portion.

Description

Refrigerator
Technical field
The present invention relates to refrigerators.
Background technique
In recent years, the heat-barrier material as the heat insulating box of refrigerator, such as replace the existing foam heat-insulatings such as foamed polyurethane Material and used vacuum insulation panel, or simultaneously use foam heat insulating material and vacuum insulation panel.Vacuum insulation panel is, for example, Laminated material to inorfils such as mineral wools is carried out core material obtained from compression solidification to be accommodated in gas barrier property The film of synthetic resin packaging bag such as polyethylene after, to inside be vacuum-evacuated and what reduced pressure sealing was constituted.
For vacuum insulation panel compared with the existing foam heat insulating material such as foamed polyurethane, heat-proof quality is excellent.Therefore, using true Empty thermal insulation board as heat-barrier material, with only with foamed polyurethane as heat-barrier material compared with, can be improved thermal wall every The thickness of hot property or thinned thermal wall.As a result, it is possible to help to reduce the power consumption of refrigerator, increase refrigerator internal volume.
Citation
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2011-89734 bulletin
Summary of the invention
But vacuum insulation panel is difficult to form complicated shape, therefore is generally created as plate.Thus, current refrigerator Each thermal wall of heat insulating box be merely to be constituted with 1 piece of plate-like vacuum thermal insulation board respectively.Therefore, for existing composition For heat insulating box, there are also room for improvement is subject to the composition of vacuum insulation panel, to improve its heat-proof quality.
Therefore, the present invention provides a kind of refrigerator that can be improved heat-proof quality.
Refrigerator of the invention has heat insulating box, which includes the storeroom for storing reserve and make The opening portion that the inside of the storeroom is connected to outside.The heat insulating box includes the bottom for constituting the bottom of the storeroom Portion's thermal wall, be set to the bottom thermal insulation wall the opening portion side two sides and be arranged to more downward than the bottom thermal insulation wall Side's foot part outstanding and the foot support member for being set to the bottom thermal insulation wall and the installation foot part.The bottom Thermal wall, which includes, constitutes the interior case of the inside of the heat insulating box, the bottom plate for the bottom outside for constituting the heat insulating box, in institute State the 1st bottom vacuum thermal insulation board that the bottom plate side is set between interior case and the bottom plate and the interior case with it is described The inner box side of the 1st bottom vacuum thermal insulation board is set between bottom plate and be disposed over the 1st bottom vacuum every 2nd bottom vacuum thermal insulation board of hot plate.The bottom plate includes the mounting portion for installing the foot support member and described The mode of thickness direction at least part overlapping of foot support member is formed as prominent downwards and storage the 1st bottom vacuum The recess portion of thermal insulation board.The 2nd bottom vacuum thermal insulation board is formed as avoiding the mounting portion.
According to the above configuration, even if bottom thermal insulation wall is provided with 2 pieces of vacuum insulation panels, also it is able to suppress bottom thermal insulation wall Thickness, as a result, it is possible to inhibit the compression of refrigerator internal volume.Refrigerator is able to maintain that refrigerator internal volume as a result, it is ensured that is set to bottom The safety of vacuum insulation panel in portion's thermal wall, and heat-proof quality is improved, and then can reduce power consumption.
In addition, refrigerator has heat insulating box, which includes the storeroom and cryogenic temperature band of refrigerating temperature zone Storeroom and the opening portion for being connected to the inside of the storeroom with outside.The heat insulating box, which has, constitutes the opening The back thermal wall of the wall portion of the opposite side in portion.The back thermal wall include the storeroom for covering the refrigerating temperature zone and The 1st back vacuum insulation panel of the storeroom both sides of the cryogenic temperature band and the storeroom of the covering cryogenic temperature band At least part of 2nd back vacuum insulation panel.
According to the above configuration, it can make back thermal wall that there is the heat-proof quality for adapting to each temperature band, as a result, it is possible to mention The heat-proof quality of high heat insulating box entirety, to reduce power consumption, and is able to suppress increased costs.
In addition, refrigerator, which includes, to be had for storing the storeroom of reserve and connecting the inside of the storeroom with outside The heat insulating box of logical opening portion and cooler for cooling down the storeroom.The heat insulating box also have relative to The opening portion constitutes the side thermal wall of side wall portion.The side thermal wall includes the side for covering the storeroom 2nd side of the 1st lateral vacuum thermal insulation board and smaller than the 1st lateral vacuum thermal insulation board and the covering cooler side Portion's vacuum insulation panel.
According to the above configuration, for the part for needing high heat-proof quality of left side thermal wall and right side thermal wall, make The heat-proof quality of the part locally increases.It can be improved the heat-proof quality of heat insulating box entirety, so that power consumption is reduced, and It is able to suppress increased costs.
In addition, refrigerator has heat insulating box, the heat insulating box is with the storeroom for storing reserve and makes the storage Hide the opening portion that the inside of room is connected to outside.The heat insulating box has the thermal wall for the wall portion for constituting the storeroom.Institute State thermal wall include constitute the interior case of the inside of the heat insulating box, the outside for constituting the heat insulating box outer container, be set to It the 1st vacuum insulation panel between the interior case and the outer container and is disposed between the interior case and the outer container 1st vacuum insulation panel of the 1st vacuum insulation panel.2nd vacuum insulation panel, which has, to be bent plate and is formed Bending section.1st vacuum insulation panel is configured at the position for avoiding the bending section.
According to the above configuration, for the 2nd bottom vacuum thermal insulation board, even if sacrificing heat-proof quality to improve bending Can, it can also ensure that enough heat-proof qualities as bottom thermal insulation wall.
Detailed description of the invention
Fig. 1 is the longitudinally cutting side view for indicating an example in the section of refrigerator of an embodiment.
Fig. 2 is the perspective view of heat insulating box.
Fig. 3 is the exploded perspective view of heat insulating box.
Fig. 4 is along the transverse cross sectional top view shown in the X4-X4 line of Fig. 1.
Fig. 5 is the perspective view for indicating the composition of floor peripheral.
Fig. 6 is the exploded perspective view for indicating the composition of floor peripheral.
Fig. 7 is the perspective view for indicating the composition on the 1st bottom vacuum thermal insulation board periphery.
Fig. 8 is the main view for indicating the composition on backboard periphery.
Fig. 9 is the longitudinally cutting side view for indicating the composition of lower portion of back thermal wall.
Figure 10 is the longitudinally cutting side view for indicating the periphery of bottom plate front part and constituting.
Figure 11 is the longitudinally cutting main view indicated along shown in the X11-X11 line of Figure 10.
Symbol description
10 it is refrigerator, 11 be refrigerating chamber (storeroom), 12 be vegetable compartment (storeroom), 13 is ice-making compartment (storeroom), 14 It is refrigerated cooler (cooler) for freezing chamber (storeroom), 20,21 be freezing cooler (cooler), 40 is hot box Body, 401 be opening portion, 43 be foamed polyurethane (foam heat insulating material), 44 be left side thermal wall (side thermal wall), 45 be Right side thermal wall (side thermal wall), 47 be bottom thermal insulation wall, 48 be back thermal wall, 50 be interior case, 64 be bottom plate, 644 It is hole for recess portion, 647,649 be screw hole (mounting portion), 67 be foot support member, 68 be foot part, 71 is the 1st left side vacuum Thermal insulation board (the 1st lateral vacuum thermal insulation board), 72 be the 2nd left side vacuum insulation panel (the 2nd lateral vacuum thermal insulation board), 73 be the 1st Right side vacuum insulation panel (the 1st lateral vacuum thermal insulation board), 74 are that (the 2nd lateral vacuum is heat-insulated for the 2nd right side vacuum insulation panel Plate), 76 be the 1st bottom vacuum thermal insulation board, 77 be the 2nd bottom vacuum thermal insulation board, 774 be bending section, 78 be the 1st back vacuum every Hot plate, 79 be the 2nd back vacuum insulation panel, 80 be thin plate (guard block).
Specific embodiment
Hereinafter, being illustrated referring to refrigerator with heat insulating box of the attached drawing to an embodiment.
As shown in Figure 1, refrigerator 10 is configured in the heat insulating box 40 for the lengthwise rectangular box being open in front with multiple Storeroom.In the following description, in 401 side of opening portion of heat insulating box 40, i.e. Fig. 1 left side be refrigerator 10 front side, with Right side is the rear side of refrigerator 10 in 401 opposite side of opening portion, i.e. Fig. 1.Moreover, refrigerator 10 to be set in the posture of Fig. 1 Gravity direction that is, up and down direction when ground are the up and down direction of refrigerator 10.And when with from the refrigerator of front side Fig. 1 Left and right directions is the left and right directions of refrigerator 10.
As shown in Figure 1, refrigerator 10 is configured to based on heat insulating box 40.Heat insulating box 40 has multiple storages in inside Room.For refrigerator 10, as multiple storerooms for storing reserve, there is such as refrigerating chamber 11, vegetable compartment 12, system Icehouse 13, small freezing chamber (not shown) and freezing chamber 14.Opening portion 401 makes the inside of each storeroom 11,12,13,14 and outer Portion's connection is got up.Refrigerating chamber 11 is set to the top layer of heat insulating box 40.Vegetable compartment 12 is set to the lower section of refrigerating chamber 11.Ice making Room 13 and small freezing chamber (not shown) are located at the lower section of vegetable compartment 12, and left and right is arranged side by side.Freezing chamber 14 is set to ice-making compartment 13 and the lower section of small freezing chamber (not shown), i.e. refrigerator 10 lowest part.
Refrigerating chamber 11 and vegetable compartment 12 are all the storerooms of refrigerating temperature zone, are maintained at such as 1~4 DEG C of positive temperature band. About 15 dividing wall that resin is synthesized between refrigerating chamber 11 and vegetable compartment 12 is kept apart.Refrigerator 10 have refrigerating-chamber door 16 and Vegetable compartment door 17.Refrigerating-chamber door 16 has thermal insulation, is set to the front side of refrigerating chamber 11.Refrigerating-chamber door 16 is hinge open and close type Door, the opening and closing made above to refrigerating chamber 11.Vegetable compartment door 17 has thermal insulation, is set to the front side of vegetable compartment 12.Vegetable compartment Door 17 is the push-pull door for having linked container 171, the opening and closing made above to vegetable compartment 12.
Ice-making compartment 13, small freezing chamber (not shown) and freezing chamber 14 are all the storerooms of cryogenic temperature band, be maintained at for example- 10~-20 DEG C of negative temperature band.By on heat-insulated dividing wall 41 between vegetable compartment 12 and ice-making compartment 13 and small freezing chamber (not shown) Under keep apart.Heat-insulated dividing wall 41 is arranged integrally with heat insulating box 40.Refrigerator 10 has ice-making compartment door 18, (not shown) small cold Chilling chamber door and refrigerating chamber door 19.
Ice-making compartment door 18 has thermal insulation, is set to the front side of ice-making compartment 13.Ice-making compartment door 18 has linked container 181 Push-pull door, the opening and closing made above to ice-making compartment 13.Small refrigerating chamber door (not shown) has thermal insulation, is set to small freezing chamber Front side.Small refrigerating chamber door is the push-pull door for having linked container (not shown), to the made above of small freezing chamber (not shown) Opening and closing.Refrigerating chamber door 19 has thermal insulation, is set to the front side of freezing chamber 14.Refrigerating chamber door 19 is to have linked container 191,192 Push-pull door, the opening and closing made above to freezing chamber 14.
Refrigerator 10 has the refrigerating cycle circuit for cooling down each storeroom.Refrigerating cycle circuit is configured to including, for example, cold Hiding cooler 20, freezing cooler 21, compressor 22, condenser (not shown) etc..The generation of refrigerated cooler 20 is used for The refrigerating chamber 11 of the cooling storeroom as refrigerating temperature zone and the cold air of vegetable compartment 12.Freezing cooler 21 is generated for cold But the cold air as the ice-making compartment 13 of the storeroom of cryogenic temperature band, small freezing chamber (not shown) and freezing chamber 14.Compressor 22 It is set in the Machine Room 42 of the lower rearward side formation of heat insulating box 40.
Refrigerator 10 has refrigerator cooler room 23, cold duct 24 and refrigeration Air Blast fan 25.Refrigerated cooler Room 23 is set to the lower part rear of refrigerating chamber 11.Refrigerated cooler 20 and refrigeration Air Blast fan 25 are set to refrigeration cooling In device room 23.The side of refrigerator cooler room 23 is connected to via suction inlet 231 with vegetable compartment 12, the other side and cold duct 24 Connection.Cold duct 24 extends along the back side up side of refrigerating chamber 11, has the multiple ejiction openings being connected to refrigerating chamber 11 241.Refrigerating chamber 11 and vegetable compartment 12 are interconnected by communication port (not shown).
When driving refrigeration Air Blast fan 25, as direction of the arrows shown in fig, air in vegetable compartment 12 is from suction inlet 231 It is inhaled into refrigerator cooler room 23.The air being inhaled into is cooled when passing through refrigerated cooler 20.Then, cold Hiding with the cooling cold air of cooler 20 under the air-supply effect of refrigeration Air Blast fan 25, by cold duct 24 from multiple sprays It exports 241 and is ejected into refrigerating chamber 11.Refrigerating chamber 11 is cooled to the temperature of refrigerating temperature zone as a result,.Then, it is ejected into A part of cold air in refrigerating chamber 11 is also supplied in vegetable compartment 12.Vegetable compartment 12 is also cooled to refrigerated storage temperature as a result, The temperature of band.Next, cooling the air of refrigerating chamber 11 and vegetable compartment 12 is drawn into refrigeration with cold from suction inlet 231 again But device room 23.It is done by circulating cold air.
Refrigerator 10 has freezing cooler chamber 26 and freezing Air Blast fan 27.Freezing cooler chamber 26 is set to cold Freeze storeroom, the i.e. ice-making compartment 13 of temperature band, the rear of small freezing chamber (not shown) and freezing chamber 14.Freezing cooler 21 and Freezing Air Blast fan 27 is set in freezing cooler chamber 26.At this point, freezing cooler 21 is as shown in figure 4, freezing Left side is slightly offset with the center of left and right directions is disposed relative in cooler room 26.Freezing cooler chamber 26 such as Fig. 1 It is shown, there is suction inlet 261 and ejiction opening 262.Suction inlet 261 is set to the lower part of freezing cooler chamber 26, with freezing chamber 14 connections.Ejiction opening 262 is set to the top of suction inlet 261, connects with ice-making compartment 13, small freezing chamber (not shown) and freezing chamber 14 It is logical.
When driving freezing Air Blast fan 27, carry out following circulation: the cold air generated by freezing cooler 21 is from each Ejiction opening 262 is fed into ice-making compartment 13, small freezing chamber (not shown) and freezing chamber 14, then, is returned to from suction inlet 261 In freezing cooler chamber 26.Ice-making compartment 13, small freezing chamber (not shown) and freezing chamber 14 are cooled to cryogenic temperature band as a result, Temperature.
Refrigerator 10 has control device 31.Control device 31 passes through control compressor 22, Air Blast fan 25 is used in refrigeration and cold Freeze the driving with Air Blast fan 27 etc., controls the overall operation of refrigerator.At this point, control device 31 is set to 11 top of refrigerating chamber Top section.In addition, refrigerator 10 has adjutage 28, drainpipe 29 and evaporating pan 30.Adjutage 28 is set to freezing cooling The lower section of device 21, the defrosted water generated when defrosting for receiving to freezing cooler 21.Evaporating pan 30 is set in Machine Room 42 It is placed in the top of compressor 22.Drainpipe 29 connects adjutage 28 and evaporating pan 30.What freezing cooler 21 generated Defrosted water drops onto adjutage 28, is directed to evaporating pan 30 by drainpipe 29.Then, it is directed into the defrosted water of evaporating pan 30 It is heated and evaporates by the heat etc. that compressor 22 generates again.
Next, being illustrated to the specific composition of heat insulating box 40.Heat insulating box 40 as shown in Figures 2 and 3, has and closes At the interior case 50 of resin, metal outer container 60.Interior case 50 constitutes the inside of heat insulating box 40.Outer container 60 constitutes heat insulating box 40 outside.Interior case 50 is formed as the box-like for forming opening portion 401 in front, is formed on the inside of the box-like as each storeroom 11~14 space.
Outer container 60 combines the metal outside plate of muti-piece and constitutes, at this time as shown in figure 3, being combination left plate 61, right panel 62, top plate 63, bottom plate 64 and backboard 65 and constitute.It is formed with gap between interior case 50 and outer container 60, is arranged in the gap There are the heat-barrier materials such as foam heat insulating material 43, vacuum insulation panel.Foam heat insulating material 43 is such as foamed polyurethane, when filling It is the liquid with mobility, forms foam after filling and solidify.In addition, vacuum insulation panel is the basic plate for not having flexibility Shape component.
Specifically, as shown in figure 3, the left outside side of the composition heat insulating box 40 of left plate 61, is installed on the left side of interior case 50 Face.In addition, being provided with the 1st left side vacuum insulation panel the 71, the 2nd between left plate 61 and interior case 50 as shown in Fig. 1 and Fig. 4 Left side vacuum insulation panel 72 and foamed polyurethane 43 constitute left side thermal wall 44 as a result,.1st left side vacuum insulation panel 71 are formed as covering the size of the entire left side in the case of heat insulating box 40.
1st left side vacuum insulation panel 71 is adhered to left plate 61 for example, by double faced adhesive tape or hot melt adhesive etc..2nd left side Portion's vacuum insulation panel 72 is adhered on the inside of the case of the 1st left side vacuum insulation panel 71 for example, by double faced adhesive tape or hot melt adhesive etc. Face, i.e. the face with 61 opposite side of left plate.At this point, the 1st left side vacuum insulation panel 71 and the 2nd left side vacuum insulation panel 72 Material and manufacturing method may be the same or different.For example, being leaned on about being configured at than the 1st left side vacuum insulation panel 71 2nd left side vacuum insulation panel 72 of the position of case 50, makes packaging bag used in the 2nd left side vacuum insulation panel 72 in close The intensity of material be higher than or thickness is thicker than packaging bag used in the 1st left side vacuum insulation panel 71.In this way, can also make 1st left side vacuum insulation panel 71 is different from the intensity of the 2nd left side vacuum insulation panel 72.
2nd left side vacuum insulation panel 72 forms smaller than the 1st left side vacuum insulation panel 71.At this point, the 2nd left side is true Empty thermal insulation board 72 is formed as the big of the left side equation degree for covering freezing cooler 21 as shown in figure 4, in upper and lower and front-rear direction It is small.I.e., in left side thermal wall 44, part corresponding with the left side side of freezing cooler 21 become be provided with 2 pieces of vacuum every The duplex of hot plate 71,72.Therefore, in left side thermal wall 44, part corresponding with the left side side of freezing cooler 21, I.e. with the part of the overlapping of freezing cooler 21 compared with other parts, heat-proof quality is improved.
Here, when foamed polyurethane 43 is filled in left side thermal wall 44, liquid foamed polyurethane 43 from left side every The rear side of hot wall 44 is injected to front side.At this point, as shown in figure 4, the distance between the 2nd left side vacuum insulation panel 72 and interior case 50 Be equal to or greater than not set 2nd left side vacuum insulation panel 72 part the 1st left side vacuum insulation panel 71 with The distance between interior case 50.Therefore, even the 2nd left side vacuum insulation panel 72 is set to the 1st left side vacuum insulation panel 71 composition is also able to suppress the flowing that the 2nd left side vacuum insulation panel 72 interferes liquid foamed polyurethane 43, can be efficiently Filled and process polyurethane 43.
1st left side vacuum insulation panel 71 has multiple left groove portions 711 in 61 side of left plate.Left groove portion 711 is on the such as the 1st left side The front and rear portion of lateral vacuum thermal insulation board 71 are provided with 2, are formed as vertically extending.Moreover, constituting refrigerating cycle The heat-dissipating pipe 32 of a part in circuit is accommodated in the space formed between left groove portion 711 and left plate 61.
At this point, the 2nd left side vacuum insulation panel 72 is disposed over passes through the heat-dissipating pipe of front and back 2 in left groove portion 711 The right side side of the heat-dissipating pipe 32 of rear side in 32.I.e., the 2nd left side vacuum insulation panel 72 is disposed in left groove portion 711 In the multiple heat-dissipating pipes 32 passed through on the inside of the case of the heat-dissipating pipe 32 of freezing cooler 21.I.e., in left side thermal wall 44, Part corresponding with the close heat-dissipating pipe 32 of freezing cooler 21, which becomes, is provided with the dual of 2 pieces of vacuum insulation panels 71,72 Construction.I.e., between heat-dissipating pipe 32 and freezing cooler 21,2 pieces of vacuum insulation panels 71,72 are provided with.Therefore, in left side Thermal wall 44, with the corresponding part of heat-dissipating pipe 32 close to freezing cooler 21 compared with other parts, heat-proof quality is mentioned It is high.Therefore, freezing cooler 21 is more difficult to influence brought by the heat dissipation by heat-dissipating pipe 32.
Right panel 62 constitutes the right lateral surface of heat insulating box 40, as shown in figure 3, being installed on the right side face of interior case 50.Moreover, Between right panel 62 and interior case 50, it is provided with the 1st right side vacuum insulation panel 73, the 2nd right side vacuum insulation panel 74 and foam Polyurethane 43 constitutes right side thermal wall 45 as a result,.44 bilateral symmetry of right side thermal wall 45 and left side thermal wall.I.e., 1 right side vacuum insulation panel 73 is formed as covering the size of entire right side in the case of heat insulating box 40.
1st right side vacuum insulation panel 73 is adhered to right panel 62 for example, by double adhesive tape or hot melt adhesive etc..2nd right side Vacuum insulation panel 74 is adhered on the inside of the case of the 1st right side vacuum insulation panel 73 for example, by double adhesive tape or hot melt adhesive etc. Face, the i.e. face with 62 opposite side of right panel.At this point, the 1st right side vacuum insulation panel 73 and the 2nd right side vacuum insulation panel 74 Material and manufacturing method may be the same or different.For example, more close than the 1st right side vacuum insulation panel 73 about being configured at 2nd right side vacuum insulation panel 74 of the position of interior case 50, makes packaging bag used in the 2nd right side vacuum insulation panel 74 The intensity of material is higher than or thickness is thicker than packaging bag used in the 1st right side vacuum insulation panel 73.In this way, being also possible to make 1st right side vacuum insulation panel 73 is different from the intensity of the 2nd right side vacuum insulation panel 74.
2nd right side vacuum insulation panel 74 forms smaller than the 1st right side vacuum insulation panel 73.At this point, the 2nd right side is true Empty thermal insulation board 74 is formed as the big of the right side equation degree for covering freezing cooler 21 as shown in figure 4, in upper and lower and front-rear direction It is small.I.e., in right side thermal wall 45, part corresponding with the right side side of freezing cooler 21, which becomes, is provided with 2 pieces of vacuum The duplex of thermal insulation board 73,74.Therefore, corresponding with the right side side of freezing cooler 21 in right side thermal wall 45 Partially, i.e. with the part of the overlapping of freezing cooler 21 compared with other parts, heat-proof quality is improved.Therefore, freezing cooling Device 21 is difficult to influence brought by the heat dissipation by heat-dissipating pipe 32.
Here, when foamed polyurethane 43 is filled in right side thermal wall 45, liquid foamed polyurethane 43 is from right side The rear side of thermal wall 45 is injected to front side.At this point, as shown in figure 4, between the 2nd right side vacuum insulation panel 74 and interior case 50 away from 1st right side vacuum insulation panel 73 of the part from being set equal to or greater than not set 2nd right side vacuum insulation panel 74 The distance between interior case 50.Therefore, even the 2nd right side vacuum insulation panel 74 is set to the 1st right side vacuum heat-insulation The composition of plate 73 is also able to suppress the flowing that the 2nd right side vacuum insulation panel 74 interferes liquid foamed polyurethane 43, can be efficient Ground filled and process polyurethane 43.
In addition, the 1st right side vacuum insulation panel 73 has multiple right groove portions 731 in 62 side of right panel.Right groove portion 731 is for example The front and rear portion of 1st right side vacuum insulation panel 73 are provided with 2, are formed as vertically extending.Moreover, constituting freezing The heat-dissipating pipe 32 of a part of circulation loop is accommodated in the space formed between right groove portion 731 and right panel 62.
At this point, the 2nd right side vacuum insulation panel 74 is disposed over passes through the heat-dissipating pipe of front and back 2 in right groove portion 731 The left side side of the heat-dissipating pipe 32 of rear side in 32.I.e., the 2nd right side vacuum insulation panel 74 is disposed over wears in right groove portion 731 In the multiple heat-dissipating pipes 32 crossed on the inside of the case of the heat-dissipating pipe 32 of freezing cooler 21.I.e., in right side thermal wall 45, with Become the dual structure for being provided with 2 pieces of vacuum insulation panels 73,74 close to the corresponding part of heat-dissipating pipe 32 of freezing cooler 21 It makes.I.e., 2 pieces of vacuum insulation panels 73,74 are provided between heat-dissipating pipe 32 and freezing cooler 21.Therefore, right side every Hot wall 45, with the corresponding part of heat-dissipating pipe 32 close to freezing cooler 21 compared with other parts, heat-proof quality is improved.
Top plate 63 constitutes the superolateral surface of heat insulating box 40, as shown in figure 3, being installed on the top part of interior case 50.Moreover, such as Shown in Fig. 1, between top plate 63 and interior case 50, it is provided with top side vacuum insulation panel 75 and foamed polyurethane 43, is constituted as a result, Top thermal wall 46.Top side vacuum insulation panel 75 is formed as covering the size of the entire top surface in the case of heat insulating box 40.Top Portion side vacuum insulation panel 75 is adhered to top or the top plate 63 of interior case 50 for example, by double faced adhesive tape or hot melt adhesive etc..
Bottom plate 64 constitutes the inferolateral surface of heat insulating box 40, as shown in figure 3, being installed on the bottom surface sections of interior case 50.Also, such as Shown in Fig. 1 and Fig. 6, the 1st bottom vacuum thermal insulation board 76, the 2nd bottom vacuum thermal insulation board are provided between bottom plate 64 and interior case 50 77 and foamed polyurethane 43.Bottom thermal insulation wall 47 is constituted as a result,.At this point, the 1st bottom vacuum thermal insulation board 76 and the 2nd bottom vacuum The material and manufacturing method of thermal insulation board 77 may be the same or different.Bottom plate 64 is as shown in fig. 6, be provided integrally with big bottom surface Portion 641, small bottom surface sections 642 and interconnecting piece 643.These big bottom surface sections 641, small bottom surface sections 642 and interconnecting pieces 643 are by for example 1 block of metal plate carries out bending process and is formed as one.
Big bottom surface sections 641 constitute the bottom for being set to the storeroom of lowest part of heat insulating box 40.At this point, big bottom surface sections 641 become the bottom of freezing chamber 14.Small bottom surface sections 642 are arranged against the top than big bottom surface sections 641, constitute freezing cooler chamber 26 bottom.The area of the small bottom surface sections 642 of area ratio of big bottom surface sections 641 is big.Interconnecting piece 643 is by the rear end of big bottom surface sections 641 Portion and the front end of small bottom surface sections 642 connect.I.e., interconnecting piece 643 is arranged to from the rear end of big bottom surface sections 641 upwards It erects, also, falls down downwards from the front end of small bottom surface sections 642.
In addition, big bottom surface sections 641 have recess portion 644 and peripheral part 645.Recess portion 644 so that big bottom surface sections 641 central portion The rectangular mode that is recessed downwards is divided to be formed.I.e., recess portion 644 to approach the center side of the left and right directions of bottom thermal insulation wall 47 and The mode for avoiding aftermentioned screw hole 649 is protrudedly formed downwards.Peripheral part 645 is in the top of recess portion 644, and is formed as wrapping Enclose the periphery of recess portion 644.At this point, the front side edge edge 646 of peripheral part 645 is formed as more slightly lower than the other parts of peripheral part 645.
As shown in Figure 1, the 1st bottom vacuum thermal insulation board 76 case on the inside of that is, the height and position on the surface of 14 side of freezing chamber with The height and position on the surface of 14 side of freezing chamber of peripheral part 645 is roughly the same or the surface one of the 1st bottom vacuum thermal insulation board 76 General plan is high.I.e., the height of the thickness of the 1st bottom vacuum thermal insulation board 76 and the step formed by recess portion 644 and peripheral part 645 Size is identical or one side of thickness of the 1st bottom vacuum thermal insulation board 76 is larger.
1st bottom vacuum thermal insulation board 76 is formed as rectangle, is accommodated in the inside of recess portion 644.1st bottom vacuum thermal insulation board 76 The upper surface of recess portion 644 that is, the face of 11 side of refrigerating chamber are adhered to for example, by double faced adhesive tape or hot melt adhesive etc..1st bottom is true The shape of empty thermal insulation board 76 forms smaller than recess portion 644.Therefore, in the peripheral side of the 1st bottom vacuum thermal insulation board 76 and recess portion 644 Peripheral side between, i.e., between recess portion 644 and the boundary part and the 1st bottom vacuum thermal insulation board 76 of peripheral part 645, be formed with Gap 471.Foamed polyurethane is filled in the gap 471 of the 1st bottom vacuum thermal insulation board 76 and the peripheral side of recess portion 644 43。
As shown in fig. 7, at the rear portion of recess portion 644, in the part of not set 1st bottom vacuum thermal insulation board 76, i.e., peripheral part Part between 645 and the 1st bottom vacuum thermal insulation board 76 is formed with multiple small holes 647.Recess portion is run through in multiple holes 647 644, the inside of bottom thermal insulation wall 47 is connected to outside.The size in the hole 647 is set as follows.I.e., hole 647 is big It is small to be configured to: so that being filled in the liquid foamed polyurethane 43 of the inside of bottom thermal insulation wall 47 because its surface tension is without letting out The outside of heat insulating box 40 is drained to, also, the gas that when foamed polyurethane 43 solidifies generates is discharged to the outer of heat insulating box 40 Portion.
Heat insulating box 40 is for example filled foamed polyurethane 43 as follows.Although heat insulating box 40 does not illustrate in detail, But there is the inlet for foamed polyurethane 43 to be injected into the inside of each wall.The inlet is set to heat insulating box 40 Rear portion.Heat insulating box 40 is when by injection foamed polyurethane, downward and inlet court (not shown) with the opening portion 401 of front On mode be configured on operation post (not shown).Then, the liquid foamed polyurethane 43 before forming foam is from note (not shown) Entrance is injected on the inside of the wall portion of heat insulating box 40.
Liquid foamed polyurethane 43 is from below that is, 401 side of opening portion is gradually accumulated, and forms foam in the inside of wall portion.This When, it will gas is generated because foamed polyurethane 43 foams.If gas accumulation is in wall portion, in the pressure in wall portion It rises, it is therefore desirable to be discharged to outside.In the present embodiment, the gas generated in filled and process polyurethane 43 is from hot box Hole 647 that the rear portion of body 40 is formed, i.e. from by filled and process polyurethane 43 when it is superposed in a manner of the hole 647 that is formed to outside Discharge.
2nd bottom vacuum thermal insulation board 77 is set to the upper surface of the 1st bottom vacuum thermal insulation board 76.I.e., the 2nd bottom vacuum every Hot plate 77 is set to the face in the face of the storeroom side of the 1st bottom vacuum thermal insulation board 76 that is, 14 side of freezing chamber.2nd bottom vacuum every Hot plate 77 is as shown in figure 5, be provided integrally with bottom 771 and rising portions 772.2nd bottom vacuum thermal insulation board 77 is with for example following Mode is formed.I.e., for example by mold compresses in 1 piece of vacuum insulation panel, the boundary portion as bottom 771 and rising portions 772 is formed The slot divided.Then, the vacuum insulation panel for foring slot is bent along the slot, thus forms bending on plate-like vacuum thermal insulation board Part, that is, the bending section 774 as bottom 771 and the boundary part of rising portions 772.2nd bottom vacuum thermal insulation board 77 as a result, Bottom 771 and rising portions 772 is integrally formed by bending section 774.
The 1 bottom vacuum thermal insulation board 76 of bottom 771 to the is big, covers the entire top of the 1st bottom vacuum thermal insulation board 76.This When, bottom 771 is placed in the part other than front side edge edge 646 of the 1st bottom vacuum thermal insulation board 76 and peripheral part 645.And And the face of opposite side of the lower surface of bottom 771, i.e. refrigerating chamber 11 is adhered to the 1st bottom by double faced adhesive tape or hot melt adhesive etc. At least any one party of the part other than front side edge edge 646 of the upper surface and peripheral part 645 of portion's vacuum insulation panel 76.This Sample, the bottom of heat insulating box 40, i.e. freezing chamber 14 bottom be provided with 2 pieces of vacuum insulation panels 76,77, heat-proof quality improves.
Rising portions 772 are arranged to erect upwards from the rear portion of bottom 771.Rising portions 772 are as shown in figure 5, covering bottom plate The front of 64 interconnecting piece 643.I.e., rising portions 772 cover before Machine Room 42, i.e. 14 side of freezing chamber.
It is provided with multiple resin foams on bottom plate 64, is at this time the 1st resin foam 661 and the 2nd resin foam 662.Resin foam 661,662 is the excellent foamed plastics of such as thermal insulation and flexibility, referred to as so-called flexible glue band.This When, the 1st resin foam 661 is as shown in fig. 7, the front part in recess portion 644 is provided with 2.When assembling heat insulating box 40, Operator makes the front edge portion of the 1st bottom vacuum thermal insulation board 76 and the back contacts of the 1st resin foam 661, and the 1st bottom is true Empty thermal insulation board 76 is configured at recess portion 644.It is sufficiently used for filling in the outer peripheral portion formation of the 1st bottom vacuum thermal insulation board 76 as a result, The gap 471 of foamed polyurethane 43.
I.e., operator while contacting the 1st bottom vacuum thermal insulation board 76 with the 1st resin foam 66 by being matched It is placed in recess portion 644, it is possible to easily determine position of the 1st bottom vacuum thermal insulation board 76 in recess portion 644.Therefore, by setting The 1st resin foam 661 is set, is easy to carry out positioning operation of the 1st bottom vacuum thermal insulation board 76 relative to recess portion 644.In addition, the 2 resin foams 662 are respectively arranged with multiple in peripheral part 645 and interconnecting piece 643.At this point, the 2nd resin foam 662 is arranged Between the 2nd bottom vacuum thermal insulation board 77 and bottom plate 64.
As shown in Figures 5 and 6, the 2nd bottom vacuum thermal insulation board 77 is provided with multiple 3rd resin foams 663.3rd tree Rouge foams 663 also as above-mentioned resin foam 661,662, are made of such as flexible glue band etc..3rd resin foam 663 It is configured between the bottom surface sections and the 2nd bottom vacuum thermal insulation board 77 of interior case 50.It is heat-insulated in interior case 50 and the 2nd bottom vacuum as a result, Between plate 77, as shown in Figure 1, forming the gap 648 for being sufficiently used for filled and process polyurethane 43.Moreover, by interior case 50 with 3rd resin foam 663 is set between the 2nd bottom vacuum thermal insulation board 77, and the 2nd bottom vacuum thermal insulation board 77 is difficult to and interior case 50 Bottom contact.Thereby, it is possible to inhibit the 2nd bottom vacuum thermal insulation board 77 to contact with interior case 50, to inhibit the 2nd bottom vacuum heat-insulated Plate 77 is damaged.
Refrigerator 10 has foot support member 67 and foot part 68 as shown in Fig. 1, Fig. 5 and Fig. 6.Foot support member 67 and foot Component 68 is each side arranged 2 in the front of the bottom surface of heat insulating box 40 respectively.Foot part 68 is to bend such as made of metal Plate and formed.It is arranged to protrude downwards from the bottom of heat insulating box 40, is configured to adjust its length outstanding.Ice The user of case 10 adjusts the prominent of the foot part 68 being set at left and right sides of front according to the state in the setting face of setting refrigerator 10 Length out, thus, it is possible to adjust refrigerator 10 to tilt to the left and right and in the front-back direction.
Specifically, foot support member 67 is as shown in Fig. 6, Figure 10 and Figure 11, by bending to such as sheet metal It processes and constitutes the shape that front-rear direction is long on the whole.Foot part 68 is installed in foot support member 67 and supports foot part 68.Foot Support member 67 has 2 through-hole sections, 671,1 screw hole portions 672.Through-hole section 671 be set to foot support member 67 central portion and Rear portion is formed as in above-below direction through foot support member 67.Screw hole portion 672 is formed in front, the i.e. ratio 2 of foot support member 67 A through-hole section 671 leans on front side.Screw hole portion 672 is the screw hole for running through foot support member 67 along the vertical direction.I.e., in screw hole portion 672 Inside be formed with internal screw thread.
In addition, being respectively formed with 2 screw holes 649 in the left and right sides on bottom plate 64.The screw hole 649 is for supporting foot Component 67 is installed on the mounting portion of bottom plate 64.Screw hole 649 is the peripheral part 645 for running through big bottom surface sections 641 along up and down direction The screw hole of front.I.e., internal screw thread is formed in the inside of screw hole 649.It is formed in the bottom 771 of the 2nd bottom vacuum thermal insulation board 77 There is corner portion 773.Corner portion 773 is formed as cutting away in the left and right sides corner of 771 front of bottom, to avoid screw hole 649.It is logical The corner portion 773 is crossed, the 2nd bottom vacuum thermal insulation board 77 forms to approach the center side of bottom thermal insulation wall 47 and avoid screw hole 649.
As shown in fig. 6, bolt 69 passes through through-hole section 671 from the lower section of foot support member 67, the screw hole of bottom plate 64 is screwed in 649.As a result, foot support member 67 protrudes downwards from the following table of bottom plate 64, it is installed on the bottom of heat insulating box 40.This Outside, the through-hole that the not formed internal screw thread of screw hole 649 can also be made, using bolt 69 and nut (not shown) come by foot support member 67 are installed on the bottom of heat insulating box 40.As shown in Figure 1, the recess portion 644 and foot support member 67 of bottom plate 64 are in recess portion 644 and foot The projected direction of support member 67, i.e. recess portion 644 and the thickness direction of foot support member 67, at least part are overlapped, at this time greatly Cause all overlappings.At this point, the size of the thickness direction of foot support member 67 refers to foot part as shown in the symbol L of Fig. 1 and Figure 10 68 be installed on the direction of foot support member 67, i.e. foot support member 67 up and down direction size.
Foot part 68 is as shown in fig. 6, have foot part 681 and bolt portion 682.Foot part 681 be, for example, cylinder, be with The part of the setting face contact of refrigerator 10.Bolt portion 682 be extend upward from the center portion of foot part 681 it is rodlike, The rodlike peripheral part is formed with external screw thread.Foot part 68 is by making bolt portion 682 screw in the screw hole portion 672 of foot support member 67 And it is installed on foot support member 67.User is increased and decreased by the screw-in amount for screwing in screw hole portion 672 to bolt portion 682, is adjusted The overhang of foot part 68, thereby, it is possible to adjust refrigerator 10 in the inclination of front-rear direction and left and right directions.At this point, bottom plate 64 The lower surface of recess portion 644, the i.e. height and position of outer surface are set as identical as the lower surface height and position of foot support member 67.
Backboard 65 constitutes the rear lateral surface of heat insulating box 40, as shown in figure 3, being installed on the back part of interior case 50.Also, such as Shown in Fig. 1 and Fig. 4 etc., between backboard 65 and interior case 50, it is provided with the 1st back vacuum insulation panel 78, the 2nd back vacuum heat-insulation Plate 79 and foamed polyurethane 43 constitute back thermal wall 48 as a result,.Backboard 65 is integrally formed as plate.Moreover, such as Fig. 1 and Shown in Fig. 4, the edge around backboard 65 is connect with left plate 61, right panel 62, top plate 63, the respective rear edge portion of bottom plate 64.
As shown in figure 8, the 1st back vacuum insulation panel 78 is than the circle of backboard 65 small one and up and down direction is in one piece of long side Rectangular plate-like is formed as the substantially whole size for covering the back side in the case of heat insulating box 40.1st back vacuum insulation panel 78 is logical Cross the medial surface that double faced adhesive tape or hot melt adhesive etc. are adhered to backboard 65, the i.e. face of storeroom side.
In addition, the 1st back vacuum insulation panel 78 is as shown in figure 4, have back-trough 781 in 65 side of backboard.Back-trough 781 for example exists The left and right sides of 1st back vacuum insulation panel 78 is provided with 2, is formed as extending along up and down direction.It is followed moreover, constituting freezing The heat-dissipating pipe 32 of a part of loop back path is accommodated in the space formed between back-trough 781 and backboard 65.I.e., it is freezing with cold But between device 21 and heat-dissipating pipe 32,2 pieces of vacuum insulation panels 78,79 are provided with.Therefore, freezing cooler 21 is difficult to be radiated It is influenced brought by the heat dissipation of pipe 32.
2nd back vacuum insulation panel, 79 to the 1 back vacuum insulation panel 78 is small, moreover, formed than the 1st back vacuum every Hot plate 78 is thin.2nd back vacuum insulation panel 79 is adhered to the 1st back vacuum insulation panel 78 by double faced adhesive tape or hot melt adhesive etc. Case on the inside of face.At this point, the material of the 1st back vacuum insulation panel 78 and the 2nd back vacuum insulation panel 79, manufacturing method can be with It is identical, it can also be different.
2nd back vacuum insulation panel 79 is disposed over the storeroom of cryogenic temperature band, i.e. ice-making compartment 13, (not shown) small The a part at the rear of freezing chamber and freezing chamber 14.At this point, the 2nd back vacuum insulation panel 79 is as shown in figure 8, be formed as upper and lower The size in direction and the entire rear of left and right directions covering freezing cooler 21.I.e., the 2nd back vacuum insulation panel 79 is located at cold Freeze the rear for using cooler room 26, covers the entire rear of freezing cooler 21.Moreover, the 2nd back vacuum insulation panel 79 It can not be configured across each storeroom of cryogenic temperature band, can also only cover a part etc. at 14 rear of freezing chamber.
In the present embodiment, freezing cooler 21 is configured to the side close to left and right directions, at this point, from refrigerator 10 Front side keeps left.Therefore, the 2nd back vacuum insulation panel 79 is also configured to together close to a side with freezing cooler 21, this When keep left.In this way, part corresponding with the rear of freezing cooler 21, which becomes, is provided with 2 pieces very in back thermal wall 48 The duplex of empty thermal insulation board 78,79.Therefore, in back thermal wall 48, portion corresponding with the rear of freezing cooler 21 Divide, i.e. with the part of the overlapping of freezing cooler 21 compared with other parts, heat-proof quality improves.Therefore, freezing cooler 21 are more difficult to the influence by the heat come from behind.
In addition, as shown in Fig. 4 and Fig. 9, on the inside of the case of the 2nd back vacuum insulation panel 79, i.e., the face setting of interior 50 side of case There is thin plate 80.Thin plate 80 prevents the 2nd back vacuum insulation panel 79 from directly contacting interior case 50, is played as a result, for preventing the 2nd back The damaged effect of vacuum insulation panel 79.I.e., thin plate 80 be set to the 2nd back vacuum insulation panel 79 have foamed polyurethane 43 flowing The face of side.Thin plate 80 is, for example, foamed polyethylene system, can be slightly distorted under the action of from external load Plate.Thin plate 80 can absorb the impact for example, by the deformation when being impacted from outside to a certain extent.Thin plate 80 is logical It crosses and is adhered to the 2nd back vacuum insulation panel 79 such as double faced adhesive tape.The size of thin plate 80 and 79 phase of the 2nd back vacuum insulation panel Together, the face on the inside of the case of the 2nd back vacuum insulation panel 79, i.e., the substantially entire surface of interior 50 side of case are covered.Moreover, thin plate 80 can also Interior 50 side of case is adhered to be not adhere to the 2nd back vacuum insulation panel 79.
For back thermal wall 48, due to forming the duplex of back vacuum insulation panel 78,79, thus the 2nd back Portion's vacuum insulation panel 79 shortens at a distance from interior case 50.In this way, the 2nd back vacuum insulation panel 79 is in contact with interior case 50, thus 2nd back vacuum insulation panel 79 is likely to occur breakage.Therefore, by between interior 50 and the 2nd back vacuum insulation panel 79 of case Thin plate 80 is set, can prevent the 2nd back vacuum insulation panel 79 from contacting with interior case 50 and breakage occurs.
In the refrigerator 10 of above embodiment, heat insulating box 40 includes the bottom thermal insulation wall for constituting the bottom of storeroom 47, positioned at 401 side of the opening portion of bottom thermal insulation wall 47 two sides and be arranged to from bottom thermal insulation wall 47 downwards that is, storeroom Opposite side foot part 68 outstanding, be set to bottom thermal insulation wall 47 and install foot part 68 foot support member 67.Bottom every The bottom plate 64, inside that hot wall 47 includes and constitutes the interior case 50 of the inside of heat insulating box 40, constitutes the bottom outside of heat insulating box 40 It is set to the 1st bottom vacuum thermal insulation board 76 of 64 side of bottom plate between case 50 and bottom plate 64, is arranged between interior case 50 and bottom plate 64 In 50 side of interior case of the 1st bottom vacuum thermal insulation board 76 and the 2nd bottom vacuum thermal insulation board of the 1st bottom vacuum thermal insulation board 76 of covering 77.Bottom plate 64 includes the mounting portion of installation foot support member 67 that is, screw hole 649 and recess portion 644, recess portion 644 form The center side of nearly bottom thermal insulation wall 47 and avoid screw hole 649, and protrude downwards, make in the thickness direction of foot support member 67 It obtains at least part to be overlapped, and stores the 1st bottom vacuum thermal insulation board 76.In addition, the 2nd bottom vacuum thermal insulation board 77 is formed as avoiding Screw hole 649, at this point, forming to approach the center side of bottom thermal insulation wall 47.
Here, being used for the bolt 69 of installation foot support member 67 from the mounting portion that is, screw hole of installation foot support member 67 649 highlight.At this point, vacuum insulation panel is likely to occur breakage if vacuum insulation panel is in contact with bolt 69.Cause This, the vacuum insulation panel being set in bottom thermal insulation wall 47 is needed to be fabricated to and be avoided in order to avoid interfering with mounting portion 649 The shape of mounting portion 649.At this point, if being configured to the top for making the vacuum insulation panel be located at mounting portion 649 and avoiding mounting portion 649, then the thickness of bottom thermal insulation wall 47 increases, and can compress the refrigerator internal volume of refrigerator 10.On the other hand, if being configured to make this Vacuum insulation panel is located at the inside of mounting portion 649 that is, is located at the center direction of bottom thermal insulation wall 47 and avoids mounting portion 649, then Vacuum insulation panel becomes smaller, as a result, heat-proof quality is caused to reduce.
Therefore, in the present embodiment, recess portion 644 is formed in bottom plate 64.The recess portion 644 is formed in approach bottom thermal insulation The center side of wall 47 protrudes downwards to avoid screw hole 649 in the thickness direction of foot support member 67, so that at least one Divide overlapping.Moreover, the 1st bottom vacuum thermal insulation board 76 is incorporated in the recess portion 644, the 2nd bottom vacuum thermal insulation board 77 is formed It approaches the center side of bottom thermal insulation wall 47 and avoids screw hole 649, and cover the storeroom side of the 1st bottom vacuum thermal insulation board 76.
Accordingly, the 1st bottom vacuum thermal insulation board 76 and the 2nd bottom vacuum thermal insulation board 77 are formed as avoiding screw hole 649.Therefore, It is damaged that bottom vacuum thermal insulation board 76,77 occurs for the bolt etc. that can prevent screw hole 649 from highlighting.In addition, bottom thermal insulation Wall 47, which becomes, is provided with the duplex of the 1st bottom vacuum thermal insulation board 76 and the 2nd bottom vacuum thermal insulation board 77, therefore, and with 1 piece The case where vacuum insulation panel is constituted is compared, and can be improved heat-proof quality.Moreover, the recess portion of the 1st bottom vacuum thermal insulation board 76 of storage 644 are protrudedly formed downwards, so that thickness direction at least part in foot support member 67 is overlapped.Therefore, even if bottom Thermal wall 47 is provided with 2 pieces of vacuum insulation panels 76,77, is also able to suppress the thickness of bottom thermal insulation wall 47, as a result, it is possible to inhibit The compression of refrigerator internal volume.Refrigerator 10 is able to maintain that refrigerator internal volume as a result, it is ensured that the vacuum being set in bottom thermal insulation wall 47 The safety of thermal insulation board 76,77, and heat-proof quality is improved, and then can reduce power consumption.
In recess portion 644, foam heat insulating material 43 is filled in the peripheral part of the 1st bottom vacuum thermal insulation board 76.Accordingly, The outer peripheral portion of 1 bottom vacuum thermal insulation board 76 is buried by the foam heat insulating material 43 with thermal insulation.Therefore, it can further mention The heat-proof quality of high bottom thermal insulation wall 47.
2nd bottom vacuum thermal insulation board 77 be set to it is thicker than the 1st bottom vacuum thermal insulation board 76, i.e., heat-proof quality be set to compared with It is high.Hereby it is possible to further increase the heat-proof quality of entire bottom thermal insulation wall 47.
The hole 647 for being connected to the inner and outer of bottom thermal insulation wall 47 is formed on bottom plate 64.Accordingly, it is injected into bottom Liquid foamed polyurethane 43 in thermal wall 47 forms foam and the gas generated when solidifying can be discharged to outside from the hole 647 Portion.The internal pressure in bottom thermal insulation wall 47 increases because of the gas as a result, can prevent bottom thermal insulation wall 47 from deforming.
Moreover, the hole 647 is set to and 401 opposite side of opening portion and be to be set to not set 1st bottom in recess portion 644 The part of portion's vacuum insulation panel 76 is set to 648 part of gap at rear portion.As a result, by foamed polyurethane 43 be filled in every When hot tank body 40, heat insulating box 40 configures in such a way that downside is in opening portion 401, therefore hole 647 can be made to be located at upside.This When, it is injected into phase of the liquid foamed polyurethane 43 of heat insulating box 40 from 401 side of opening portion that is, downside, i.e., from hole 647 It has tossed about and has started to accumulate.Therefore, until the final stage of injection foamed polyurethane 43, hole 647 can be prevented poly- because of the foam Urethane 43 and be blocked.The gas generated when as a result, it is possible to which filled and process polyurethane 43 is efficiently discharged.
In addition, as the storeroom of refrigerating temperature zone, there is refrigerating chamber 11 and vegetable compartment 12, make for refrigerator 10 For the storeroom of cryogenic temperature band, there is ice-making compartment 13, small freezing chamber (not shown) and freezing chamber 14.At this point, refrigerating temperature zone Storeroom and refrigerating temperature zone storeroom due to temperature band difference, it is corresponding with the storeroom in back thermal wall 48 Part required by heat-proof quality it is also different.I.e., in back thermal wall 48, with the storeroom 11,12 for forming refrigerating temperature zone Part compare, form the higher heat-proof quality of means suitable of the storeroom 13,14 of cryogenic temperature band.At this point, if making to carry on the back The heat-proof quality of portion's thermal wall 48 adapts to heat-proof quality required by the storeroom 11,12 of refrigerating temperature zone, then cryogenic temperature band Storeroom 13,14 required by heat-proof quality be unable to satisfy.On the other hand, if keeping the heat-proof quality of back thermal wall 48 suitable Heat-proof quality required by the storeroom 13,14 of cryogenic temperature band is answered, then will lead to surplus, and then lead to increased costs.
Therefore, in the heat insulating box 40 of the refrigerator of present embodiment 10, back thermal wall 48 includes covering refrigerated storage temperature The storeroom (being at this time refrigerating chamber 11 and vegetable compartment 12) of band and the storeroom of cryogenic temperature band (are at this time ice-making compartment 13, do not scheme The small freezing chamber and freezing chamber 14 shown) both the 1st back vacuum insulation panel 78 and cover cryogenic temperature band storeroom At least part of 2nd back vacuum insulation panel 79 of (be at this time ice-making compartment 13, small freezing chamber (not shown) and freezing chamber 14). Accordingly, in back thermal wall 48, make and the storeroom 13 for the cryogenic temperature band for requiring higher heat-proof quality, 14 corresponding portions Divide and heat-proof quality is improved using the duplex of vacuum insulation panel 78,79.On the other hand, in back thermal wall 48, and not The storeroom 11 that is required the refrigerating temperature zone of heat-proof quality high in this way, 12 corresponding parts are with 1 piece of vacuum insulation panel 78 To constitute.The heat-proof quality for adapting to each temperature band thereby, it is possible to have back thermal wall 48, it is heat-insulated as a result, it is possible to improve The whole heat-proof quality of cabinet 40, to reduce power consumption, and is able to suppress increased costs.
1st back vacuum insulation panel 78 be set to it is thicker than the 2nd back vacuum insulation panel 79, i.e., heat-proof quality be set to compared with It is high.Hereby it is possible to make the heat-proof quality of back thermal wall 48 higher on the whole.
2nd back vacuum insulation panel 79 cover freezing cooler 21 with 401 opposite side of opening portion that is, rear.According to This can make after being cooled to more low temperature and the freezing cooler 21 of the high heat-proof quality of needs in back thermal wall 48 Fang Chengwei is provided with the duplex of 2 pieces of vacuum insulation panels 78,79, and keeps heat-proof quality higher than other parts.In this way, for back The part of the high heat-proof quality of needs of portion's thermal wall 48, increases the heat-proof quality of the part locally.It is heat-insulated thereby, it is possible to improve The whole heat-proof quality of cabinet 40, to reduce power consumption, and is able to suppress increased costs.
50 side of interior case of 2nd back vacuum insulation panel 79 is provided with thin plate 80.Thin plate 80, which plays, prevents the 2nd back vacuum The effect for the guard block that thermal insulation board 79 is directly contacted with interior case 50.Hereby it is possible to prevent the 2nd back vacuum insulation panel 79 with it is interior Case 50 contacts and occurs damaged.
In addition, the heat insulating box 40 of refrigerator 10 has the left side for constituting the wall portion of left and right sides relative to opening portion 401 Thermal wall 44 and right side thermal wall 45.Left side thermal wall 44 include covering storeroom left side the 1st left side vacuum every The 2nd left side vacuum in hot plate 71 and left side that is smaller than the 1st left side vacuum insulation panel 71 and covering freezing cooler 21 Thermal insulation board 72.Right side thermal wall 45 includes the 1st right side vacuum insulation panel 73 and ratio the 1st on the right side of covering storeroom Right side vacuum insulation panel 73 is small and covers the 2nd right side vacuum insulation panel 74 on the right side of freezing cooler 21.
Accordingly, for left side thermal wall 44, make to be cooled to more low temperature and the freezing of high heat-proof quality is needed to use The left side of cooler 21 becomes the duplex for being provided with 2 pieces of vacuum insulation panels 71,72, can improve thermal insulation than other parts Energy.Equally, for right side thermal wall 45, make to be cooled to more low temperature and need the freezing cooler of high heat-proof quality 21 right side becomes the duplex for being provided with 2 pieces of vacuum insulation panels 73,74, can improve heat-proof quality than other parts.This Sample makes the thermal insulation of the part for the part of the high heat-proof quality of needs of left side thermal wall 44 and right side thermal wall 45 Can locally it increase.It can be improved the whole heat-proof quality of heat insulating box 40, to reduce power consumption, and be able to suppress cost Increase.
1st left side vacuum insulation panel 71 is set to thicker than the 2nd left side vacuum insulation panel 72, i.e. heat-proof quality is set to It is higher.Equally, the 1st right side vacuum insulation panel 73 is set to thicker than the 2nd right side vacuum insulation panel 74, i.e., heat-proof quality is set It obtains higher.Hereby it is possible to further increase the heat-proof quality of left side thermal wall 44 and right side thermal wall 45 on the whole.
2nd bottom vacuum thermal insulation board 77 (the 2nd vacuum insulation panel), which has, to be bent plate-like vacuum thermal insulation board and is formed Bending section 774.Here, in order to improve the bending when manufacture of the 2nd bottom vacuum thermal insulation board 77, it may be considered that the 2nd bottom is thinned Portion's vacuum insulation panel 77.At this point, improving the cost of bending, the 2nd bottom vacuum as the 2nd bottom vacuum thermal insulation board 77 is thinned The heat-proof quality of thermal insulation board 77 can sacrifice part amount corresponding with its Reducing thickness.Therefore, in the present embodiment, the 1st bottom Portion's vacuum insulation panel 76 (the 1st vacuum insulation panel) is configured in the position for avoiding bending section 774.Accordingly, for the 2nd bottom vacuum For thermal insulation board 77, even if sacrificing heat-proof quality to improve bending performance, it can also ensure that as bottom thermal insulation wall 47 enough Heat-proof quality.
In addition, in the above-described embodiment, the different side of heat-proof quality as 2 pieces of vacuum insulation panels for making duplex Method, be not limited to increase vacuum insulation panel thickness method, can also using by organic material be used in core material method, Change the method etc. for being used in the fibrous material diameter of core material.
Foot support member 67 is not limited by the composition that bolt 69 is installed on bottom plate 64.Such as following structure can also be used At: foot support member 67 is installed on bottom plate by the lockings such as a part of foot support member 67 and the hole for being formed in bottom plate 64 64。
Foam heat insulating material 43 is not limited to foamed polyurethane, be also possible to same as foamed polyurethane performance every Hot material.
Guard block is not limited to thin plate 80, such as be also possible to so-called flexible glue band etc..
The quantity of each storeroom and configuration are not limited to above embodiment.Such as following composition can also be used: in refrigerator Vegetable compartment that is, refrigeration is arranged in the lowest part of refrigerator 10 in 10 topmost setting refrigerating chamber that is, the storeroom of refrigerating temperature zone The storeroom of cryogenic temperature band is arranged in the storeroom of temperature band between these refrigerating chambers and vegetable compartment.
The refrigerator 10 of above embodiment include the storeroom for cooling down refrigerating temperature zone refrigerated cooler 20, For cooling down this 2 coolers of the freezing cooler 21 of storeroom of cryogenic temperature band, it is however not limited to this composition.For example, Following composition can also be used: cool down the storeroom of refrigerating temperature zone and the storeroom of cryogenic temperature band using 1 cooler.
Although outer container 60 be made up of combination left plate 61, right panel 62, top plate 63 and bottom plate 64, it is however not limited to this. For example, it is also possible to which multiple plates are integrally formed by being bent to 1 block of plate.
About each thermal wall, although being illustrated by taking the duplex with 2 vacuum insulation panels as an example, very The block number of empty thermal insulation board is not limited to 2 pieces, can also overlap 3 pieces or more of multiple vacuum insulation panels to constitute thermal wall.
One embodiment of the present invention is explained above, still, what which provided only as example, and unexpectedly Figure limits invention scope.The new embodiment can use various other ways to implement, in the range for not departing from inventive concept It is interior to carry out various omissions, displacement, change.This embodiment and its modifications are also contained within invention scope and purport, and And it is contained in invention and its equivalent range documented by claims.

Claims (13)

1. a kind of refrigerator, has heat insulating box, which includes the storeroom for storing reserve and makes described The opening portion that the inside of storeroom is connected to outside,
The heat insulating box also includes
The bottom thermal insulation wall of the bottom of the storeroom is constituted,
Positioned at the two sides of the opening portion side of the bottom thermal insulation wall, and it is arranged to protrude downwards than the bottom thermal insulation wall Foot part, and
It is set to the bottom thermal insulation wall, and the foot support member of the foot part is installed;
The bottom thermal insulation wall includes
The interior case of the inside of the heat insulating box is constituted,
The bottom plate of the bottom outside of the heat insulating box is constituted,
The 1st bottom vacuum thermal insulation board being set between the interior case and the bottom plate, and
It is located at the inner box side of the 1st bottom vacuum thermal insulation board between the interior case and the bottom plate, and is arranged to cover Cover the 2nd bottom vacuum thermal insulation board of the 1st bottom vacuum thermal insulation board;
The bottom plate includes the mounting portion and recess portion for installing the foot support member, which is formed as in the foot branch The mode that thickness direction at least part of support part part is Chong Die with the foot support member protrudes downwards, and stores the described 1st Bottom vacuum thermal insulation board.
2. refrigerator according to claim 1, it is characterised in that:
Within the recess, foam heat insulating material is filled in the peripheral part of the 1st bottom vacuum thermal insulation board.
3. refrigerator according to claim 1 or 2, it is characterised in that:
The heat-proof quality of the 2nd bottom vacuum thermal insulation board is higher than the 1st bottom vacuum thermal insulation board.
4. refrigerator according to claim 1 or 2, it is characterised in that:
On the bottom plate, it is located at and the opening portion opposite side and not set 1st bottom vacuum within the recess The part of thermal insulation board is formed with the hole for being connected to the inner and outer of the bottom thermal insulation wall portion.
5. refrigerator according to claim 3, it is characterised in that:
On the bottom plate, it is located at and the opening portion opposite side and not set 1st bottom vacuum within the recess The part of thermal insulation board is formed with the hole for being connected to the inner and outer of the bottom thermal insulation wall portion.
6. a kind of refrigerator, has heat insulating box, which includes the storeroom of refrigerating temperature zone and the storage of cryogenic temperature band Hiding room and the opening portion for being connected to the inside of the storeroom with outside,
The heat insulating box also has the back thermal wall constituted with the wall portion of the opening portion opposite side,
The back thermal wall includes
Cover the 1st back vacuum heat-insulation of both the storeroom of the refrigerating temperature zone and the storeroom of the cryogenic temperature band Plate, and
Cover at least part of 2nd back vacuum insulation panel of the storeroom of the cryogenic temperature band.
7. refrigerator according to claim 6, it is characterised in that:
The heat-proof quality of the 1st back vacuum insulation panel is higher than the 2nd back vacuum insulation panel.
8. refrigerator according to claim 6 or 7, it is characterised in that:
Cooler with the storeroom for cooling down the cryogenic temperature band,
The 2nd back vacuum insulation panel is covering the cooler with the opening portion opposite side.
9. refrigerator according to claim 6 or 7, it is characterised in that:
Being provided in the inner box side of the 2nd back vacuum insulation panel prevents the 2nd back vacuum insulation panel and the interior case The guard block directly contacted.
10. refrigerator according to claim 8, it is characterised in that:
Being provided in the inner box side of the 2nd back vacuum insulation panel prevents the 2nd back vacuum insulation panel and the interior case The guard block directly contacted.
11. a kind of refrigerator, has heat insulating box and the cooler for cooling down storeroom, which is included for storing The storeroom of reserve and the opening portion for being connected to the inside of the storeroom with outside,
The heat insulating box also has the side thermal wall for the wall portion for constituting side relative to the opening portion,
The side thermal wall includes
The 1st lateral vacuum thermal insulation board of the side of the storeroom is covered, and
2nd lateral vacuum thermal insulation board of smaller than the 1st lateral vacuum thermal insulation board and the covering cooler side.
12. refrigerator according to claim 11, it is characterised in that:
The heat-proof quality of the 1st lateral vacuum thermal insulation board is higher than the 2nd lateral vacuum thermal insulation board.
13. a kind of refrigerator, has heat insulating box, which includes the storeroom for storing reserve and makes described The opening portion that the inside of storeroom is connected to outside,
The heat insulating box also has the thermal wall for the wall portion for constituting the storeroom,
The thermal wall includes
The interior case of the inside of the heat insulating box is constituted,
The outer container in the outside of the heat insulating box is constituted,
The 1st vacuum insulation panel being set between the interior case and the outer container, and
It is arranged to cover the 2nd vacuum insulation panel of the 1st vacuum insulation panel between the interior case and the outer container;
2nd vacuum insulation panel has the bending section for being bent and being formed to plate,
1st vacuum insulation panel is configured at the position for avoiding the bending section.
CN201510434066.6A 2014-10-30 2015-07-22 Refrigerator Active CN106196859B (en)

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JP7456958B2 (en) * 2021-02-19 2024-03-27 日立グローバルライフソリューションズ株式会社 refrigerator
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