CN105135804A - Refrigerator - Google Patents
Refrigerator Download PDFInfo
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- CN105135804A CN105135804A CN201510067816.0A CN201510067816A CN105135804A CN 105135804 A CN105135804 A CN 105135804A CN 201510067816 A CN201510067816 A CN 201510067816A CN 105135804 A CN105135804 A CN 105135804A
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- heat insulating
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- refrigerator
- storeroom
- insulating box
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The present invention provides a refrigerator having thermal insulation walls, wherein, the thickness of each thermal insulation wall is corresponding to a storage temperature belt of a storage chamber, and the thermal insulation property is stable. The refrigerator is a thermal insulation box having a plurality of storage chambers with various storage temperature belts. The thermal insulation box is made of vacuum thermal insulation plates. The thickness of the thermal insulation wall corresponding to the storage chamber with higher storage temperature is different from the thickness of the thermal insulation wall corresponding to the storage chamber with lower storage temperature.
Description
Technical field
Present embodiment of the present invention relates to refrigerator.
Background technology
Such as domestic refrigerator, generally there is the storeroom of refrigerated storage temperature band and the storeroom of cryogenic temperature band.In addition, in the heat insulating box of refrigerator, the heat-barrier material as thermal wall uses the foam heat insulating material be made up of foamed polyurethane, the vacuum insulation panel that heat-proof quality is more excellent than this foam heat insulating material.
At first technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2014-6039 publication
Summary of the invention
In the thermal wall forming heat insulating box, as the rear wall of such as storeroom thickness substantially: the part that no matter corresponding with the storeroom of refrigerated storage temperature band part still corresponding with the storeroom of cryogenic temperature band is all identical.Therefore, exist and can not guarantee that heat-proof quality needed for thermal wall or thickness exceed the such problem of required thickness.
Therefore, the invention provides a kind of refrigerator, this refrigerator possesses heat insulating box, this heat insulating box has the different multiple storerooms of storage temperature band, and the heat-barrier material forming the thermal wall of this heat insulating box uses vacuum insulation panel, in the refrigerator formed like this, have the thermal wall of the thickness corresponding to the storage temperature band of storeroom, heat-proof quality is stablized.
The refrigerator of the 1st technical scheme of the present invention possesses heat insulating box, and this heat insulating box has the different multiple storerooms of storage temperature band, and the heat-barrier material forming the thermal wall of this heat insulating box uses vacuum insulation panel.The thickness of the thermal wall corresponding to storeroom that the thickness of the thermal wall corresponding to the storeroom that in storeroom, storage temperature band is high is low from storage temperature band is different.
According to above-mentioned formation, the thickness of the thermal wall corresponding to storeroom that the thickness of the thermal wall corresponding to the storeroom that storage temperature band in storeroom is high is low from storage temperature band is different, therefore, refrigerator of the present invention has the thermal wall of the thickness corresponding to the storage temperature band of storeroom, and heat-proof quality is stablized.
The refrigerator of the 2nd technical scheme of the present invention is on the basis of the refrigerator described in the 1st technical scheme, the heat-barrier material of above-mentioned thermal wall also uses foam heat insulating material, and the position having this foam heat insulating material is different from the thickness of the not above-mentioned thermal wall at the position of this foam heat insulating material.
The refrigerator of the 3rd technical scheme of the present invention is on the basis of the refrigerator described in the 2nd technical scheme, in above-mentioned thermal wall, heat-barrier material does not use foam heat insulating material or the few part of use amount, is only used to the thermal wall of the storeroom that storage temperature band is high in above-mentioned storeroom.
The refrigerator of the 4th technical scheme of the present invention is on the basis of the refrigerator described in the 2nd or the 3rd technical scheme, and in above-mentioned thermal wall, heat-barrier material does not use foam heat insulating material or the few part of use amount, is only used to the rear wall of above-mentioned storeroom.
On the basis of the refrigerator of refrigerator in the 1st to the 4th technical scheme described in any one technical scheme of the 5th technical scheme of the present invention, in above-mentioned thermal wall, do not use the part of foam heat insulating material, between the inner panel and above-mentioned vacuum insulation panel of above-mentioned storeroom side, be provided with thin plate.
On the basis of the refrigerator of refrigerator in the 1st to the 5th technical scheme described in any one technical scheme of the 6th technical scheme of the present invention, in above-mentioned heat insulating box, the inner panel being present in above-mentioned storeroom side is provided with the protuberance that the parts outstanding to above-mentioned storeroom side are installed.
On the basis of the refrigerator of refrigerator in the 2nd to the 6th technical scheme described in any one technical scheme of the 7th technical scheme of the present invention, in above-mentioned heat insulating box, the narrow and small position that above-mentioned foam heat insulating material on the inner panel being present in above-mentioned storeroom side enters and be the position becoming travel terminus, be provided with deflation hole, and with this deflation hole of thin plate shutoff.
On the basis of the refrigerator of refrigerator in the 1st to the 7th technical scheme described in any one technical scheme of the 8th technical scheme of the present invention, in above-mentioned heat insulating box, the inner panel being present in above-mentioned storeroom side is provided with to the outstanding protuberance in storeroom side, and raised part is positioned at around above-mentioned vacuum insulation panel.
On the basis of the refrigerator of refrigerator in the 1st to the 8th technical scheme described in any one technical scheme of the 9th technical scheme of the present invention, in above-mentioned heat insulating box, the inner panel being present in above-mentioned storeroom side is provided with to the outstanding protuberance in storeroom side, using the recess that surrounded by this protuberance as cold duct.
On the basis of the refrigerator of refrigerator in the 1st to the 9th technical scheme described in any one technical scheme of the 10th technical scheme of the present invention, the depth size of the storeroom that the depth size of the storeroom that in above-mentioned storeroom, storage temperature band is high is lower than storage temperature band is long.
On the basis of the refrigerator of refrigerator in the 1st to the 10th technical scheme described in any one technical scheme of the 11st technical scheme of the present invention, in the cold duct of inside being formed at above-mentioned heat insulating box, the cold air flow through in this cold duct does not flow to the position that there is not above-mentioned vacuum insulation panel.
On the basis of the refrigerator of refrigerator in the 2nd to the 11st technical scheme described in any one technical scheme of the 12nd technical scheme of the present invention, in above-mentioned heat insulating box, on the inner panel being present in above-mentioned storeroom side, the mode of the boundary member existed between the position of foam heat insulating material and the position not having foam heat insulating material in above-mentioned thermal wall is provided with rake.
On the basis of the refrigerator of refrigerator in the 2nd to the 12nd technical scheme described in any one technical scheme of the 13rd technical scheme of the present invention, at the boundary member existed between the position of foam heat insulating material and the position not having foam heat insulating material of the thermal wall of above-mentioned heat insulating box, and between the inner panel being present in above-mentioned storeroom side and above-mentioned vacuum insulation panel, be provided with the thin plate preventing foam heat insulating material from immersing.
On the basis of the refrigerator of refrigerator in the 1st to the 13rd technical scheme described in any one technical scheme of the 14th technical scheme of the present invention, in above-mentioned heat insulating box, the inner panel being present in above-mentioned storeroom side has reinforcement forming section.
The refrigerator of the 15th technical scheme of the present invention, on the basis of the refrigerator described in the 14th technical scheme, has the cover covering above-mentioned reinforcement forming section.
On the basis of the refrigerator of refrigerator in the 1st to the 15th technical scheme described in any one technical scheme of the 16th technical scheme of the present invention, in the thermal wall of above-mentioned heat insulating box, the inner panel and the above-mentioned vacuum insulation panel that are present in above-mentioned storeroom side are bonding by bonding agent.
On the basis of the refrigerator of refrigerator in the 1st to the 15th technical scheme described in any one technical scheme of the 17th technical scheme of the present invention, in the thermal wall of above-mentioned heat insulating box, be present in the inner panel of above-mentioned storeroom side and the position not using bonding agent bonding between above-mentioned vacuum insulation panel, from above-mentioned storeroom side, quilt cover covers.
On the basis of the refrigerator of refrigerator in the 2nd to the 17th technical scheme described in any one technical scheme of the 18th technical scheme of the present invention, foam heat insulating material exists in the mode of the surrounding surrounding above-mentioned vacuum insulation panel.
On the basis of the refrigerator of refrigerator in the 2nd to the 18th technical scheme described in any one technical scheme of the 19th technical scheme of the present invention, the foam heat insulating material in the bight of above-mentioned heat insulating box is thick.
On the basis of the refrigerator of refrigerator in the 2nd to the 19th technical scheme described in any one technical scheme of the 20th technical scheme of the present invention, the part that foam heat insulating material is thick in above-mentioned heat insulating box, this foam heat insulating material is overlapping with above-mentioned vacuum insulation panel.
On the basis of the refrigerator of refrigerator in the 1st to the 20th technical scheme described in any one technical scheme of the 21st technical scheme of the present invention, in the bight of above-mentioned heat insulating box, have the electric wiring receiver of storage electric wiring.
On the basis of the refrigerator of refrigerator in the 1st to the 21st technical scheme described in any one technical scheme of the 22nd technical scheme of the present invention, being formed at the end difference of above-mentioned vacuum insulation panel, be configured with radiating tube.
On the basis of the refrigerator of refrigerator in the 2nd to the 22nd technical scheme described in any one technical scheme of the 23rd technical scheme of the present invention, in above-mentioned heat insulating box, the inner panel being present in above-mentioned storeroom side is provided with chamfered section, and this stoste is directed to the sidewall of above-mentioned heat insulating box by this chamfered section when injecting the stoste of foam heat insulating material.
On the basis of the refrigerator of refrigerator in the 2nd to the 23rd technical scheme described in any one technical scheme of the 24th technical scheme of the present invention, in above-mentioned heat insulating box, in the injection target of the inlet of the stoste of injection foam heat insulating material, be provided with guide member, this guide member has the guide surface of the sidewall above-mentioned stoste being directed to above-mentioned heat insulating box.
On the basis of the refrigerator of refrigerator in the 1st to the 24th technical scheme described in any one technical scheme of the 25th technical scheme of the present invention, in the bight of above-mentioned heat insulating box, make the angle of the inner panel of above-mentioned storeroom side and different from the angle of the outside plate of above-mentioned storeroom opposition side.
The angle of above-mentioned inner panel, on the basis of the refrigerator described in the 25th technical scheme, in the bight of above-mentioned heat insulating box, is formed relax than the angle of above-mentioned outside plate by the refrigerator of the 26th technical scheme of the present invention.
The refrigerator of the 27th technical scheme of the present invention, on the basis of the refrigerator described in the 23rd or the 24th technical scheme, at the adjacent corner of the above-mentioned outside plate of above-mentioned heat insulating box, is formed with the inlet of the stoste injecting foam heat insulating material.
On the basis of the refrigerator of refrigerator in the 25th to the 27th technical scheme described in any one technical scheme of the 28th technical scheme of the present invention, the outside in the bight of the above-mentioned outside plate of above-mentioned heat insulating box is formed smooth, utilizes this par to fix to carry out bolt.
On the basis of the refrigerator of refrigerator in the 1st to the 28th technical scheme described in any one technical scheme of the 29th technical scheme of the present invention, the inner panel in the storeroom side of above-mentioned heat insulating box and the linking portion that the outside plate of storeroom opposition side links is provided with soft ribbons.
On the basis of the refrigerator of refrigerator in the 1st to the 29th technical scheme described in any one technical scheme of the 30th technical scheme of the present invention, on the metal base plate of the outside plate of the bottom of the above-mentioned heat insulating box of formation, be fixed with metal stiffener by spot welding.
On the basis of the refrigerator of refrigerator in the 1st to the 30th technical scheme described in any one technical scheme of the 31st technical scheme of the present invention, the adjutage of the stiffener that the rear portion possessing the low storeroom of storage temperature band in above-mentioned storeroom is arranged and the defrost water that receives cooler, is fastened on above-mentioned adjutage by above-mentioned stiffener.
On the basis of the refrigerator of refrigerator in the 1st to the 31st technical scheme described in any one technical scheme of the 32nd technical scheme of the present invention, possess the adjutage of the defrost water receiving cooler, this adjutage is fixed on by fixed part on the sidewall of the left and right of above-mentioned heat insulating box.
Accompanying drawing explanation
Fig. 1 is the longitudinal side view of deciding what is right and what is wrong of outline of the refrigerator of an embodiment.
Fig. 2 is the front view of heat insulating box.
Fig. 3 is the rearview of heat insulating box.
Fig. 4 is that the longitudinal direction of heat insulating box is decided what is right and what is wrong side view.
Fig. 5 is from the stereogram the state that the bottom surface side at back observes heat insulating box.
Fig. 6 to decide what is right and what is wrong top view along the transverse direction of the X6-X6 line of Fig. 2.
Fig. 7 to decide what is right and what is wrong top view along the transverse direction of the X7-X7 line of Fig. 2.
Fig. 8 to decide what is right and what is wrong top view along the transverse direction of the X8-X8 line of Fig. 2.
Fig. 9 is the horizontal top view of deciding what is right and what is wrong of amplification of refrigerating chamber part.
Figure 10 is the horizontal top view of deciding what is right and what is wrong of amplification of refrigerating chamber part.
Figure 11 is the amplification view of the Y11 part of Fig. 4.
Figure 12 is the stereogram of the vacuum insulation panel of rear wall.
Figure 13 is the amplification view of the Y13 part of Fig. 4.
Figure 14 is that transverse direction near electric wiring receiver is decided what is right and what is wrong top view.
Figure 15 is the stereogram observed from the face side of single electric wiring receiver.
Figure 16 is the stereogram of base plate and stiffener.
Figure 17 is the stereogram observed from the face side of interior case.
Figure 18 is the stereogram observed from the rear side of interior case.
Figure 19 is that the transverse direction of adjutage standing part is decided what is right and what is wrong top view.
Figure 20 is that the longitudinal direction of the mounting portion of the stiffener representing refrigerating chamber is decided what is right and what is wrong side view.
Figure 21 is that the longitudinal direction of the installation method of the stiffener representing refrigerating chamber is decided what is right and what is wrong side view.
Symbol description:
1-heat insulating box, 2-outer container (outside plate), case (inner panel) in 3-, 4-refrigerating chamber (storeroom of refrigerated storage temperature band), 5-vegetable compartment (storeroom of refrigerated storage temperature band), 6-ice-making compartment (storeroom of cryogenic temperature band), the little refrigerating chamber of 7-(storeroom of cryogenic temperature band), the main refrigerating chamber of 8-(storeroom of cryogenic temperature band), the heat insulation dividing wall of 15-, 20-refrigeration cooler, the freezing cooler of 21-, 26-cold duct, 32-pipeline cover (cover), 39-adjutage, 41-control device, 43-left side wall, 44-right side wall, 45-roof, 46-base wall, 47-rear wall, 47a-refrigerated storage temperature band rear wall, 47b-cryogenic temperature band rear wall, 50-bolt, 53-left plate, 54-right plate, 55-top board, 56-base plate, 57-backboard, 58-stiffener, 59-sidepiece stiffener, 60-inlet, 63-left plate, 64-right plate, 65-top board, 66-base plate, 67-backboard, 68-intermediate isolating portion, 70-vacuum insulation panel, 71-foam heat insulating material, 72, 73, 74, 75-vacuum insulation panel, 76, 76a-chamfered section, 77-guide member, 77a-guide surface, 78-bight, the protuberance that 79-parts are installed, 80-protuberance, 81-deflation hole, 82-thin plate, 83-reinforcement forming section, 84-thin plate, 85-rake, 86-thin plate, 87a-end difference, 87b-groove portion, 88-radiating tube, 89-groove portion, 90-tray support protuberance, 91-reinforcement forming section, 93-electric wiring receiver, 94-fixed part, 98-stiffener, 99-fixed part, 100-engagement pawl, 103-soft ribbons
Detailed description of the invention
Below, the refrigerator of an embodiment is described with reference to accompanying drawing.
First, as shown in Figure 1, the thermal wall that the heat insulating box 1 of refrigerator is provided with heat-barrier material by the spatial portion between the outer container 2 and plastic interior case 3 of steel plate is formed, and inside is provided with multiple storeroom, describes after forming in detail.As storeroom, specifically, be provided with refrigerating chamber 4, vegetable compartment 5 from upper strata, thereunder left and right has been arranged side by side ice-making compartment 6 and little refrigerating chamber 7 (with reference to Fig. 2), and their below is provided with main refrigerating chamber 8.Automatic ice-making plant 9 is provided with in ice-making compartment 6.
Refrigerating chamber 4 and vegetable compartment 5 are all the storerooms of refrigerated storage temperature band (the positive temperature band of such as 1 ~ 4 DEG C), be synthesized resinous dividing wall about 10 and isolate between them.Be provided with the insulated door 4a of hinge open and close type in the mode that can rotate in the longitudinal direction at the front surface of refrigerating chamber 4.The back part of this insulated door 4a is provided with door compartment 4b.The front surface of vegetable compartment 5 is provided with plug-type insulated door 5a.The lower case 11 forming tank is linked with in the back part of this insulated door 5a.The upper body 12 that shape is less than lower case 11 is provided with on the top of lower case 11.Foot (top of dividing wall 10) in refrigerating chamber 4 is provided with provision ice chamber 13.In this provision ice chamber 13, the mode that can pull out and push is provided with refrigerated enclosure 14.
Ice-making compartment 6, little refrigerating chamber 7 and main refrigerating chamber 8 are all the storerooms of cryogenic temperature band (the negative temperature bands of such as-10 ~-20 DEG C).Isolated by heat insulation dividing wall about 15 between the vegetable compartment 5 of refrigerated storage temperature band and the ice-making compartment 6 of cryogenic temperature band and little refrigerating chamber 7.This heat insulation dividing wall 15 is arranged to one with heat insulating box 1.Therefore, the storeroom (refrigerating chamber 4, vegetable compartment 5) of refrigerated storage temperature band is different with the storage temperature band of the storeroom (ice-making compartment 6, little refrigerating chamber 7, main refrigerating chamber 8) of cryogenic temperature band, is isolated between them by heat insulation dividing wall about 15.The front surface of ice-making compartment 6 is provided with plug-type insulated door 6a, is linked with ice container 16 in the back part of this insulated door 6a.Although not shown at the front surface of little refrigerating chamber 7, be also provided with the plug-type insulated door linking tank.Also be provided with plug-type insulated door 8a at the front surface of main refrigerating chamber 8, be linked with the bottom container 17 and upper container 18 that form tank in the back part of this insulated door 8a.
The refrigeration cycle for cooling above-mentioned each storeroom is assembled with in heat insulating box 1.This refrigeration cycle is configured to comprise: cool as the refrigerating chamber 4 of the storeroom of refrigerated storage temperature band and vegetable compartment 5 refrigeration cooler 20, cool freezing cooler 21 as the ice-making compartment 6 of the storeroom of cryogenic temperature band, little refrigerating chamber 7 and main refrigerating chamber 8.The bottom rear side of heat insulating box 1 is provided with Machine Room 22.Be provided with in this Machine Room 22 and form the compressor 23 of refrigeration cycle, condenser (not shown), cooling fan (it is also not shown), Defrost water evaporating dish 24 etc. that they are cooled.
The inboard of the storeroom (refrigerating chamber 4, vegetable compartment 5) of the refrigerated storage temperature band in heat insulating box 1, be provided with refrigeration cooler 20 as described as follows, the cold duct 26 be supplied to for the cold air that this refrigeration cooler 20 is generated in refrigerating chamber 4 (with vegetable compartment 5), for making the refrigeration Lateral supply fan 27 etc. of circulating cold air.Double cooler room, refrigeration side 28 of doing air supply duct is configured to be positioned at the rear of the undermost provision ice chamber 13 of refrigerating chamber 4, in this cooler room, refrigeration side 28, be provided with refrigeration cooler 20.At the lower front of refrigeration cooler room, side 28, be provided with the air suction inlet 29 sucked in vegetable compartment 5.In the bottom of the rear portion side of refrigeration cooler room, side 28, be provided with the refrigeration side water acceptance division 30 of the defrost water receiving refrigeration cooler 20.The water that refrigeration side water acceptance division 30 receives is exported to the Defrost water evaporating dish 24 in above-mentioned Machine Room 22 via scupper hose 30a (with reference to Figure 18) and is evaporated.
Be provided with refrigeration Lateral supply fan 27 at the rear of provision ice chamber 13, and be provided with air supply duct 31.The bottom of air supply duct 31 is communicated with the top of cooler room, above-mentioned refrigeration side 28, and the upper end of air supply duct 31 is communicated with the bottom of above-mentioned cold duct 26.Cold duct 26 extends upward along the back side of refrigerating chamber 4, is covered from the front side by pipeline cover 32.Pipeline cover 32 is provided with: for the cold air flow through in cold duct 26 being provided to the multiple cold air ejiction openings 33 in refrigerating chamber 4 and refrigerating chamber 13.In addition, although not shown, in the bight, left and right at the rear portion of the dividing wall 10 of the base plate of formation refrigerating chamber 4, be formed with the connected entrance that refrigerating chamber 4 is communicated with vegetable compartment 5.
In this formation, when refrigerating Lateral supply fan 27 by driving, as direction of the arrows shown in fig, the air in vegetable compartment 5 is inhaled in refrigeration cooler room, side 28 from suction inlet 29, and this air be inhaled into is blown out to air supply duct 31 side.The air being blown out to air supply duct 31 side is blown out in refrigerating chamber 4 and in provision ice chamber 13 from multiple cold air ejiction opening 33 via cold duct 26.The part being blown out to the cold air in refrigerating chamber 4 is provided to again in vegetable compartment 5.Then, be finally inhaled in air supply duct 31 via refrigeration cooler room, side 28, circulate so in this wise.In this process, the air flow through in refrigeration cooler room, side 28 is refrigerated to be cooled with cooler 20 and becomes cold air, and this Quilt with air conditioning is supplied to refrigerating chamber 4 and vegetable compartment 5, and thus, refrigerating chamber 4 and vegetable compartment 5 are cooled to the temperature of refrigerated storage temperature band.
The inboard of the storeroom (ice-making compartment 6, little refrigerating chamber 7, main refrigerating chamber 8) of the cryogenic temperature band in heat insulating box 1, is provided with double cooler room, freezing side 35 of doing air supply duct.Freezing cooler 21 and defrosting electric heater (not shown) are configured to the bottom being positioned at this cooler room, freezing side 35.Freezing Lateral supply fan 36 is configured in the top of cooler room, freezing side 35.In the front-surface side of cooler room, freezing side 35, be provided with cold air ejiction opening 37 accordingly with each storeroom (ice-making compartment 6, little refrigerating chamber 7, main refrigerating chamber 8), be provided with suction inlet 38 in bottom.
The adjutage 39 receiving defrost water when freezing cooler 21 defrosts is configured to the below being positioned at freezing cooler 21.This adjutage 39 via run through heat insulating box 1 bottom thermal insulation wall drainpipe 40 and be communicated with the above-mentioned Defrost water evaporating dish 24 in Machine Room 22.Thus, the defrost water that adjutage 39 receives also is exported to Defrost water evaporating dish 24 via drainpipe 40, is evaporated at this Defrost water evaporating dish 24.
In this formation, when freezing Lateral supply fan 36 is by driving, the cold air that freezing cooler 21 generates carries out following circulation: be provided in ice-making compartment 6, little refrigerating chamber 7, main refrigerating chamber 8 from each cold air ejiction opening 37, afterwards, turns back in cooler room, freezing side 35 from suction inlet 38.Thus, these ice-making compartments 6, little refrigerating chamber 7, main refrigerating chamber 8 are cooled to the temperature of cryogenic temperature band.In addition, in the upper surface side of the thermal wall at the top of heat insulating box 1, the control device 41 of the action controlling this refrigerator is provided with.
Next, be also described with reference to the concrete formation of Fig. 2 ~ Figure 21 to heat insulating box 1.Heat insulating box 1 has left side wall 43, right side wall 44, roof 45, base wall 46, rear wall 47 and above-mentioned heat insulation dividing wall 15, and front surface is formed with opening.These walls 43 ~ 47 and heat insulation dividing wall 15 form the thermal wall of heat insulating box 1.
The outer container 2 forming the outside plate of heat insulating box 1 is steel plate systems, has left plate 53, right plate 54, top board 55, base plate 56 and backboard 57, front surface opening.Now, an elongate steel plate is bent into roughly U-shaped and being formed by left plate 53, right plate 54 and top board 55.Base plate 56 is formed with the bend 56 of the bent axle shape for the formation of Machine Room 22 in the mode of bending.On this base plate 56 as shown in figure 16, the left and right sides of the fore left and right sides and upper back, is fixed with the stiffener 58 of metallic plate, thus is reinforced by spot welding.In addition, remain in the left and right sides of this base plate 56 and be fixed with metal sidepiece stiffener 59 (with reference to Fig. 5) by spot welding, thus be reinforced.
Be formed with outstanding to the inside connecting piece 53a, 54a (with reference to Fig. 6 ~ Fig. 8) at left plate 53 and the respective leading section of right plate 54, be formed with the connecting piece 53b, the 54b that point to front in respective rearward end.Connecting piece 53b, the 54b the connecting piece of engaging that insert above-mentioned left plate 53 and right plate 54 is formed at the both ends, left and right of backboard 57.As shown in Figure 3 and Figure 5, in the upper and lower in the left and right sides portion of backboard 57, be formed with the inlet 60 of the stoste for injecting foam heat insulating material described later.Inlet 60 is formed at 4 positions.In addition, backboard 57 is provided with many reinforcement forming sections 61 extended along the vertical direction.
The interior case 3 forming the inner panel of heat insulating box 1 is plastic, utilizes vacuum former carry out integrally formed and obtain.This interior case 3 has the left plate 63 corresponding with the left plate 53 of outer container 2, right plate 54, top board 55, base plate 56 and backboard 57, right plate 64, top board 65, base plate 66 and backboard 67, and there is the intermediate isolating portion 68 of the shell forming above-mentioned heat insulation dividing wall 15, front surface opening.The flange part stretched out to side is formed in the circumference of front surface opening portion.Base plate 66 is formed with the bend 66a for the formation of Machine Room 22 accordingly with the bend 56a of the base plate 56 of outer container 2.The flange part of left plate 63 and right plate 64 inserts the left plate 53 of outer container 2 and connecting piece 53a, the 54a of right plate 54 and engages.
As shown in Figure 6 to 8, in the inside of left side wall 43, the foam heat insulating material 71 heat-barrier material is provided with vacuum insulation panel 70, being made up of foamed polyurethane.Vacuum insulation panel 70 extends in the vertical direction along left side wall 43, and is adhered to the inner surface of the left plate 53 of outer container 2 by bonding agent.Between the left plate 63 that foam heat insulating material 71 is arranged at vacuum insulation panel 70 and interior case 3 and vacuum insulation panel 70 around.
In the inside of right side wall 44, the same with left side wall 43, be also provided with vacuum insulation panel 72 and foam heat insulating material 71 as heat-barrier material.Vacuum insulation panel 72 extends in the vertical direction along right side wall 44, and utilizes bonding agent to be adhered to the inner surface of the right plate 54 of outer container 2.Between the right plate 64 that foam heat insulating material 71 is arranged at vacuum insulation panel 72 and interior case 3 and vacuum insulation panel 72 around.
As shown in Figure 1 and Figure 4, in the inside of roof 45, be also provided with vacuum insulation panel 73 and foam heat insulating material 71 as heat-barrier material.A part for vacuum insulation panel 73 utilizes bonding agent to be adhered to the top board 65 of interior case 3.Between the top board 55 that foam heat insulating material 71 is arranged at vacuum insulation panel 73 and outer container 2, between vacuum insulation panel 73 and the top board 65 of interior case 3 and vacuum insulation panel 73 around.
In the inside of base wall 46, be also provided with vacuum insulation panel 74 and foam heat insulating material 71 as heat-barrier material.Vacuum insulation panel 74 is observed from the side in L-shaped, utilizes bonding agent to be adhered to the upper surface of the base plate 56 of outer container 2.Between the base plate 66 that foam heat insulating material 71 is arranged at vacuum insulation panel 74 and interior case 3, between vacuum insulation panel 74 and the base plate 56 of outer container 2 and vacuum insulation panel 74 around.
In the inside of rear wall 47, heat-barrier material is provided with vacuum insulation panel 75, foam heat insulating material 71.Vacuum insulation panel 75 extends in the vertical direction along rear wall 47.For this rear wall 47, different from the thickness of the refrigerating chamber 4 of the storeroom as refrigerated storage temperature band and refrigerated storage temperature band rear wall 47a corresponding to vegetable compartment 5 and the cryogenic temperature band rear wall 47b corresponding with the ice-making compartment 6 of the storeroom as cryogenic temperature band, little refrigerating chamber 7 and main refrigerating chamber 8.For refrigerated storage temperature band rear wall 47a, as the heat-barrier material between the backboard 57 of outer container 2 and the backboard 67 of interior case 3, be vacuum insulation panel 75 substantially, a part adds foam heat insulating material 71 as described later.For cryogenic temperature band rear wall 47b, substantially be and used vacuum insulation panel 75 and foam heat insulating material 71 as the heat-barrier material between the backboard 57 of outer container 2 and the backboard 67 of interior case 3, between the backboard 67 that foam heat insulating material 71 is arranged at interior case 3 and vacuum insulation panel 75.
Like this, for rear wall 47, due to cryogenic temperature band rear wall 47b heat-barrier material and used vacuum insulation panel 75 and foam heat insulating material 71, therefore substantially, the thickness of heat-barrier material is formed as thicker than only using the refrigerated storage temperature band rear wall 47a of vacuum insulation panel 75.Accompany therewith, as shown in Figure 4, the depth size L2 large (L1 > L2) than the ice-making compartment 6 of the storeroom as cryogenic temperature band, little refrigerating chamber 7 and main refrigerating chamber 8 is set as the refrigerating chamber 4 of the storeroom of refrigerated storage temperature band and the depth size L1 of vegetable compartment 5.For heat insulation dividing wall 15, in the inside in the intermediate isolating portion 68 of interior case 3, be filled with foam heat insulating material 71 as heat-barrier material.
At this, the fill method of each thermal wall foam heat insulating material 71 being filled in heat insulating box 1 is briefly described.While combination outer container 2 and interior case 3, configure the vacuum insulation panel 70,72,73,74,75 corresponding with each thermal wall.Then, under the state making the opening portion of heat insulating box 1 downward, from the inlet 60 at 4 positions of backboard 57 being formed at the outer container 2 becoming upper surface, inject the stoste of foam heat insulating material.The stoste injected flows down from the space in the sidewall 43,44 of left and right, arrives the linking part of the linking part of left plate 53 and the front portion of left plate 63 and right plate 54 and the front portion of right plate 64, from forming foam here and expanding to the space of surrounding.Foam heat insulating material 71 after expansion also expand to the space of sidewall 43,44 of left and right, the space of roof 45, the space of base wall 46 and heat insulation dividing wall 15 space fill, the space finally also expanding to rear wall 47 is filled.
Now, in the bight at the rear portion of the left and right of heat insulating box 1, be formed with the chamfered section 76 (with reference to Fig. 6, Fig. 9) of the angle mitigation than 90 degree in the mode in the bight being positioned at case 3.Also the different chamfered section 76a of angle is provided with in the bight of interior case 3.Therefore, the stoste of the foam heat insulating material injected from inlet 60 is easily directed to the space of left side wall 43 and right side wall 44 along this chamfered section 76,76a.In addition, in the bight of heat insulating box 1, the inside of the injection front end of the inlet 60 in the bottom near this heat insulating box 1, as shown in Figure 8, is configured with the guide member 77 with skewed guide surface 77a.By arranging this guide member 77, the same with chamfered section 76,76a, the stoste of the foam heat insulating material injected from inlet 60 is easily directed into the space of left side wall 43 and right side wall 44.
In the bight at the rear portion of the left and right of heat insulating box 1, the bight 78 at the both ends, left and right of the backboard 57 of outer container 2 is bent into roughly 90 degree.Therefore, in the bight at the rear portion of the left and right of heat insulating box 1, become the chamfered section 76 in the bight of interior case 3,76a is different with the angle of bend in the bight 78 of the backboard 57 of outer container 2, the interior chamfered section 76 of case 3, the angle of 76a are formed as relaxing than the angle in the bight 78 of outer container 2.In the bight at the left and right of heat insulating box 1 and upper and lower rear portion, there is not vacuum insulation panel, the thickness of foam heat insulating material 71 is thickening.In addition, in the king-sized part of the thickness of foam heat insulating material 71, as shown in figs, vacuum insulation panel 75 and foam heat insulating material 71 overlap.
Be formed with par in the bottom of the left and right sides of backboard 57 in the mode in the outside being positioned at bight 78, the bottom of backboard 57 utilizes this par and is fixed on sidepiece stiffener 59 by bolt 50 (with reference to Fig. 5, Fig. 8).
On the backboard 67 of interior case 3, and at the position corresponding with refrigerating chamber 4, as shown in Figure 2, be provided with the protuberance 79 of parts installation in the mode of superposed left and right, and be provided with the protuberance 80 extended be connected with this protuberance 79 downwards.These protuberances 79 and 80 are forwards given prominence to, and are filled with foam heat insulating material 71 at the spatial portion of inside.Protuberance 79 and 80 about these is on the whole in L-shaped, and left and right is in form toward each other.Using by about these protuberance 79,80 surround recess as above-mentioned cold duct 26.The protuberance 79 that parts in left and right are installed is formed with the installing hole 79a that parts are installed, utilizes this installing hole 79a that above-mentioned pipeline cover 32 is installed.
The protuberance 79,80 of left and right is for being positioned at the form of the surrounding of the vacuum insulation panel 75 of rear wall 47.Multiple deflation hole 81 is formed at the front surface of these protuberances 79,80.The effect in deflation hole is played in this deflation hole 81 when carrying out foam heat insulating material 71 foam-filled.The position being formed with this deflation hole 81 is the narrow and small position that when carrying out foam heat insulating material 71 foam-filled, this foam heat insulating material 71 enters, and is the position becoming travel terminus.This deflation hole 81 before filled and process heat-barrier material 71, as shown in figure 18, with thin plate 82 shutoff.Although this thin plate 82 is breathed freely, there is the function stoping foam heat insulating material 71 to leak.In addition, paste thin plate 82 by the rear side at protuberance 80, there is following functions: even if there is the burr produced when forming protuberance 80 and deflation hole 81, also can prevent this burr from damaging vacuum insulation panel 75.
In addition, on the backboard 67 of interior case 3, and at the position that the protuberance 79,80 by left and right clamps, 2 reinforcement forming sections 83 extended along the vertical direction are provided with.The outstanding size forwards of this reinforcement forming section 83 is little, and foam heat insulating material 71 does not enter rear side, thus forms spatial portion.Further, under the state that the raised part 79 that parts are installed has installed above-mentioned pipeline cover 32, the protuberance 79,80 of left and right and reinforcement forming section 83 are covered by this pipeline cover 32 and can't see from front.Now, protuberance 79,80 also plays the effect of reinforcement forming section.In addition, about the refrigerated storage temperature band rear wall 47a of rear wall 47, the backboard 67 of interior case 3 is not bonding by bonding agent with between vacuum insulation panel 75, and this is not covered from front by pipeline cover 32 by the backboard 67 of bonding part.
At the back side of the backboard 67 of interior case 3, as shown in figure 18, be stuck from the position surrounded by protuberance 79,80 to downside thin plate 84.This thin plate 84 also has the function of the burr damage vacuum insulation panel 75 of the shaping preventing backboard 67 side.
For rear wall 47, in the coupling part be connected with heat insulation dividing wall 15, as shown in Fig. 1, Fig. 4, Figure 13, and on the backboard 67 of interior case 3, be provided with the rake 85 being inclined to low early and high after state, foam heat insulating material 71 enters the back side of this rake 85, wherein the boundary member of this heat insulation dividing wall 15 cryogenic temperature band rear wall 47b that is the refrigerated storage temperature band rear wall 47a and foam heat insulating material 71 that do not have foam heat insulating material 71.As shown in figure 18, at the back side of the backboard 57 of interior case 3, the position from the upper end of rake 85 to top is pasted with thin plate 86.When this thin plate 86 is for preventing from carrying out foam heat insulating material 71 foam-filled, foam heat insulating material 71 immerses between backboard 57 and vacuum insulation panel 75.
On the vacuum insulation panel 75 of rear wall 47, as shown in Fig. 1, Fig. 4, Figure 11, Figure 12, the upper end of side and bottom are formed with the end difference 87a extended in the width direction overleaf, and be formed extend along the vertical direction and 2 the groove portion 87b be communicated with these end differences 87a, be configured with radiating tube 88 at this end difference 87a and groove portion 87b.By such formation, the recess for arranging radiating tube 88 need not be formed in backboard 57 side of outer container 3.Now, upper and lower end difference 87a is formed by the core material rejecting vacuum insulation panel 75 at intervals, and 2 groove portion 87b are formed as concavity by utilizing the pressing of pressure roller.In addition, in the outside of the vacuum insulation panel 70 of left side wall 43 and the vacuum insulation panel 72 of right side wall 44, be also formed with 2 the groove portions 89 extended along the vertical direction, in these groove portions 89, be also configured with radiating tube 88 (with reference to Fig. 6 ~ Figure 10).
For left side wall 43 and right side wall 44, on the left plate 63 and right plate 64 of interior case 3, the mode being positioned at the position corresponding with refrigerating chamber 4 is provided with multiple tray support protuberance 90.These tray support protuberance 90 extends along fore-and-aft direction, and upper and lower configuring multi-layer.In addition, on the left plate 63 and right plate 64 of interior case 3, the reinforcement forming section 91 extended along above-below direction is provided with in the mode of the front portion being positioned at the position corresponding with refrigerating chamber 4.At the spatial portion of tray support with the back side of protuberance 90 and reinforcement forming section 91, be also filled with foam heat insulating material 71.
As shown in Figure 2, in the bight in the left back portion of heat insulating box 1, the mode of the inboard, bottom being positioned at refrigerating chamber 4 is provided with electric wiring receiver 93.This electric wiring receiver 93 carry out foam heat insulating material 71 foam-filled before be installed on interior case 3, foam heat insulating material 71 foam-filled after, as shown in figure 14, the back side of electric wiring receiver 93 becomes the state covered by foam heat insulating material 71.The electric wiring of not shown electric component is accommodated with in this electric wiring receiver 93.
In Fig. 1, Fig. 2, in the inboard of main refrigerating chamber 8, be configured with above-mentioned adjutage 39 in the mode of the top being positioned at above-mentioned Machine Room 22.This adjutage 39 is such as made up of synthetic resin, the rectangle long in left and right directions container-like, as shown in figure 19, has the pin-shaped fixed part 94 outstanding to side in the both sides of left and right.On the left plate 63 and right plate 64 of interior case 3, be provided with to the outstanding protuberance 95 in adjutage 39 side in the mode being positioned at the position corresponding with adjutage 39, the surface of adjutage 39 side of these protuberances 95 is formed with installing hole 96.Adjutage 39 carry out foam heat insulating material 71 foam-filled before, the fixed part 94 of left and right is inserted the installing hole 96 of interior case 3 side.Now, carry out foam heat insulating material 71 foam-filled before state under, interior case 3 fully can carry out elastic deformation, therefore, it is possible to these fixed parts 94 are easily inserted in installing hole 96.Then, under the state that adjutage 39 is installed on interior case 3, make foam heat insulating material 71 foam-filled in each thermal wall of heat insulating box 1, thus, adjutage 39 is arranged between the left side wall 43 of heat insulating box 1 and right side wall 44 with stationary state by fixed part 94.
In addition, above the adjutage 39 of interior case 3, be provided with plastic stiffener 98.This stiffener 98 is such as synthetic resin systems, as shown in Figure 20, Figure 21, is provided with pin-shaped fixed part 99 outstanding upward, portion integral is provided with such as 2 engagement pawls 100 on top.This stiffener 98 is installed as follows.
Namely, before foam-filled foam heat insulating material 71, as shown in figure 21, the leading section of 2 of stiffener 98 engagement pawls 100 is inserted in the gap between the rear wall 39a of adjutage 39 and the backboard 67 of interior case 3, and be hooked in the flange part 39b (with reference to Figure 20) of the upper end of rear wall 39a, with the part of this hook for fulcrum, the top of stiffener 98 is rearward rotated as shown in the arrow of Figure 21.Then, the fixed part 99 on top is inserted into: in the installing hole 101 that the lower surface in the intermediate isolating portion 68 of case 3 is formed in the shell forming heat insulation dividing wall 15, be temporarily fixed thus.Now, under the state also before foam-filled foam heat insulating material 71, because interior case 3 can easily elastic deformation, therefore, it is possible to easily fixed part 99 is inserted in installing hole 101.By making foam heat insulating material 71 foam-filled in heat insulating box 1 in this condition, stiffener 98 can be installed in interior case 3 securely.
Therefore, stiffener 98 is mounted by being fastened on adjutage 39.Now, about installation stiffener 98, need to arrange installing hole 101 in the intermediate isolating portion 68 of interior case 3, but installing hole need not be set on backboard 67.
As shown in Figure 17 and Figure 18, at the flange part of the circumference, opening portion of interior case 3, and at multiple positions such as the positions corresponding with the isolation part of storeroom, soft ribbons (softtape) 103 is installed.This soft ribbons 103, under the state flange part of interior case 3 being linked to the above-mentioned connecting piece 53a of outer container 2,54a, prevents foam heat insulating material 71 from leaking into outside.At the place such as bight at the rear portion, left and right of heat insulating box 1, be configured with the refrigerant pipes 104 such as the suction pipe of refrigeration cycle.
When stating the refrigerator of formation on the packaging, although not shown, preferably in packing case, at the upper surface configuration padded coaming of the control device 41 of the roof 45 of heat insulating box 1.
According to above-mentioned embodiment, following such action effect can be obtained.
Possessing the heat insulating box 1 with the different multiple storerooms of storage temperature band and the heat-barrier material forming the thermal wall of this heat insulating box 1 employs in the refrigerator of the formation of vacuum insulation panel, the thickness of the thermal wall corresponding to storeroom that the thickness of the thermal wall corresponding to the storeroom that in storeroom, storage temperature band is high is low from storage temperature band is different.Specifically, for the rear wall 47 of heat insulating box 1, as the refrigerated storage temperature band of the high storeroom of storage temperature band storeroom (refrigerating chamber 4, vegetable compartment 5) corresponding to the thickness of refrigerated storage temperature band rear wall 47a be formed as thinner than the thickness of the cryogenic temperature band rear wall 47b corresponding to the storeroom (ice-making compartment 6, little refrigerating chamber 7, main refrigerating chamber 8) of the cryogenic temperature band as the low storeroom of storage temperature band.Now, as the heat-barrier material of refrigerated storage temperature band with rear wall 47a, substantially only just heat-proof quality can be guaranteed with vacuum insulation panel 75, so can be formed thinner by thickness.As the heat-barrier material of cryogenic temperature band with rear wall 47b, and use vacuum insulation panel 75 and foam heat insulating material 71, guarantee heat-proof quality by vacuum insulation panel 75 and foam heat insulating material 71.Therefore, it is possible to provide the thermal wall that possesses the thickness corresponding with the storage temperature band of storeroom and the stable refrigerator of heat-proof quality.
In the thermal wall of heat insulating box 1, heat-barrier material does not use foam heat insulating material 71 or the few part of use amount, is only used in the refrigerated storage temperature band rear wall 47a of the rear wall of the storeroom becoming the high refrigerated storage temperature band of storage temperature band.Refrigerated storage temperature band rear wall 47a only just can guarantee heat-proof quality with vacuum insulation panel 75 substantially.
About the refrigerated storage temperature band rear wall 47a not using foam heat insulating material 71 in thermal wall, between the backboard 67 and vacuum insulation panel 75 of interior case 3, be provided with thin plate 84.The backboard 67 of interior case 3 is provided with protuberance 79 etc. that parts are installed mostly, during shaping, easily produces burr etc.When this backboard 67 directly contacts with vacuum insulation panel 75, this burr etc. likely can damage vacuum insulation panel 75, but, by arranging thin plate 84 between which, can prevent from damaging vacuum insulation panel 75.
In the inner panel becoming rear wall 47 case 3 backboard 67 on be provided with parts install protuberance 79.This protuberance 79 pipe laying cover 32 can be utilized.
On the backboard 67 of inner panel becoming rear wall 47, at the narrow and small position that foam heat insulating material 71 enters and be that the position becoming travel terminus is provided with deflation hole 81, the thin plate 82 with aeration is utilized to come this deflation hole 81 of shutoff.Thus, gas easily can be made to run out of from deflation hole 81 when carrying out foam heat insulating material 71 foam-filled, the foam-filled of foam heat insulating material 71 can be carried out well.In addition, the burr damage vacuum insulation panel 75 produced when can prevent from forming deflation hole 81.
In the inner panel becoming rear wall 47 case 3 backboard 67 on be provided with the protuberance 79,80 outstanding to storeroom side, these protuberances 79,80 are positioned at vacuum insulation panel 75 around.Foam heat insulating material 71 enters into the back side of protuberance 79,80, can form the form being encased vacuum insulation panel 75 by this foam heat insulating material 71.
In the inner panel becoming rear wall 47 case 3 backboard 67 on, be provided with the protuberance 79,80 outstanding to storeroom side, using the recess that surrounded by these protuberances 79,80 as cold duct 26.Cold duct 26 can be formed well thus.
The depth size L1 of the storeroom (refrigerating chamber 4, vegetable compartment 5) that storage temperature band is high is set as that the depth size L2 of the storeroom (ice-making compartment 6, little refrigerating chamber 7, main refrigerating chamber 8) lower than storage temperature band is long.Thereby, it is possible to guarantee effective case internal volume of the storeroom that larger storage temperature band is high.
About the cold duct 26 of inside being formed at heat insulating box 1, the cold air flowing through this cold duct 26 is not made to flow to the position that there is not vacuum insulation panel 75.Thus, there is the advantage of the thermal losses that can reduce the cold air flowing through cold duct 26.
In the inner panel becoming rear wall 47 case 3 backboard 67 on, the mode of the boundary member between the cryogenic temperature band rear wall 47b having foam heat insulating material 71 and the refrigerated storage temperature band rear wall 47a not having foam heat insulating material 71 of rear wall 47 is provided with rake 85.Thus, foam heat insulating material 71 easily enters into the back side of rake 85, in addition, this foam heat insulating material 71 can be utilized vacuum insulation panel 75 and backboard 67 to be coupled together securely.And then, pass through during case 3 using above-mentioned boundary member as rake 85 in being formed, and make this place be compared with the situation in the bight that roughly 90 spend, formability can be made good.In addition, easily overlapping during case 3 in overlap is stacked, can also treatability be improved.
Boundary member between the cryogenic temperature band rear wall 47b having foam heat insulating material 71 and the refrigerated storage temperature band rear wall 47a not having foam heat insulating material 71 of rear wall 47, and between the backboard 67 and vacuum insulation panel 75 of interior case 3, be provided with the thin plate 86 preventing foam heat insulating material 71 from immersing.Thereby, it is possible to prevent foam heat insulating material 71 from immersing and causing backboard 67 to deform.
The backboard 67 of interior case 3 is provided with reinforcement forming section 83, in addition, left plate 63 and right plate 64 is also provided with reinforcement forming section 91.Thus, by arranging reinforcement forming section 83,91, the intensity of plastic backboard 67, left plate 63 and right plate 64 can be improved.On backboard 67, as the cover covering above-mentioned reinforcement forming section 83 from front, be provided with pipeline cover 32, therefore, it is possible to make outward appearance become good-looking.
Roof 45 in the thermal wall of heat insulating box 1, its become the top board 65 of inner panel and vacuum insulation panel 73 bonding by bonding agent.Thereby, it is possible to prevent the stripping of top board 65 and vacuum insulation panel 73.About the thermal wall of heat insulating box 1, interior case 3 and the refrigerated storage temperature band rear wall 47a not using bonding agent bonding between vacuum insulation panel 75, adopt and utilize pipeline cover 32 to carry out the formation covered from storeroom side.Thus, pipeline cover 32 can make outward appearance become good-looking.
In each thermal wall of heat insulating box 1, have foam heat insulating material 71 in the mode of the surrounding of wrapped vacuum thermal insulation board 70,72,73,74,75.Thereby, it is possible to utilize foam heat insulating material 71 to protect these vacuum insulation panels 70,72,73,74,75.
The foam heat insulating material 71 in the bight of heat insulating box 1 is thicker (with reference to Fig. 6 ~ Figure 10).Owing to being difficult to configure vacuum insulation panel, therefore, as heat-barrier material, preferably based on foam heat insulating material 71 in the bight of heat insulating box 1.In addition, about thermal wall, in heat-barrier material, there is not the position of vacuum insulation panel based on foam heat insulating material 71, foam heat insulating material 71 is thickening.In heat insulating box 1, in the part that foam heat insulating material 71 is thick, this foam heat insulating material 71 overlaps with vacuum insulation panel (with reference to Figure 10).Thus, the heat-proof quality of overlapping part improves further.
Electric wiring receiver 93 is had in the bight of heat insulating box 1.Thereby, it is possible to effectively utilize bight.Namely, due to wiring etc. is configured at the space being filled foam heat insulating material 71, therefore, can prevent from wiring from waiting contacting with vacuum insulation panel etc. and damage vacuum insulation panel, and bight can be utilized to carry out wiring along the vertical direction point-blank process, therefore manufacturing is good.
Radiating tube 88 (with reference to Figure 11) is configured with at the end difference 87a of the vacuum insulation panel 75 being formed at rear wall 47.Thus, for configuration radiating tube 88, the recess formed in backboard 57 side of outer container 2 for arranging pipe can not be needed.
The bight of case 3 in heat insulating box 1, is provided with the left side wall 43, the chamfered section 76 of right side wall 44, the 76a (with reference to Fig. 6) that when injecting the stoste of foam heat insulating material 71, this stoste are directed to heat insulating box 1.Thereby, it is possible to the stoste of foam heat insulating material 71 to be directed to well the sidewall 43,44 of left and right, the foam-filled operation of foam heat insulating material 71 can be carried out well.In addition, in the bight of heat insulating box 1, in the injection target of the inlet 60 of the stoste of injection foam heat insulating material 71, be provided with the guide member 77 (with reference to Fig. 8) having and above-mentioned stoste is directed to the left side wall 43 of heat insulating box 1, the guide surface 77a of right side wall 44.Thus, also the stoste of foam heat insulating material 71 can be directed to well the sidewall 43,44 of left and right, the foam-filled operation of foam heat insulating material 71 can be carried out well.
In the bight of heat insulating box 1, by becoming the chamfered section 76 in the bight of interior case 3, the angle of 76a is formed as relaxing than the angle in the bight 78 in the bight becoming outer container 2, thus makes angle different.Thereby, it is possible to the width dimensions of the left and right directions of the vacuum insulation panel 75 of rear wall 47 is set large as far as possible.
Near the bight 78 of the backboard 57 of heat insulating box 1, be formed with the inlet 60 of the stoste injecting foam heat insulating material 71.Thereby, it is possible to easily the stoste of foam heat insulating material 71 to be injected the sidewall 43,44 of left and right.The outside in the bight 78 of the backboard 57 of heat insulating box 1 is formed as smooth, utilizes this par to be fixed by bolt 50.Thereby, it is possible to firmly fix backboard 57.In heat insulating box 1, the flange part of case 3 and the linking portion of outer container 2 are provided with soft ribbons 103.Thus, can prevent foam heat insulating material 71 from leaking into outside when carrying out foam heat insulating material 71 foam-filled.
On the metal base plate 56 of the outside plate of the bottom of formation heat insulating box 1, be fixed with metal stiffener 58 and sidepiece stiffener 59 respectively by spot welding.Thereby, it is possible to strengthen base plate 56, in addition, easily this fixed operation can be carried out.
Be configured to have the stiffener 98 at the rear portion of the storeroom being arranged at cryogenic temperature band, receive the adjutage 39 of the defrost water of freezing cooler 21, make the engagement pawl 100 of stiffener 98 be fastened on the end of the rear wall 39a of adjutage 39.Thus, even if installing hole not to be arranged at the backboard 67 of interior case 3, also stiffener 98 can be installed on backboard 67.Adjutage 39 is configured to: the fixed part 94 in left and right sides portion with convex, is fixed on the sidewall 43 and 44 of left and right, therefore, it is possible to adjutage 39 is installed on heat insulating box 1 securely via this fixed part 94.
Other embodiment
In the above-described embodiment, about the rear wall 47 in the thermal wall of heat insulating box 1, have employed following formation: make refrigerated storage temperature band rear wall 47a different from the thickness of cryogenic temperature band rear wall 47b, but, be not limited thereto, the thickness of such as left side wall 43, right side wall 44 also can be made different.
In addition, although have employed following formation for rear wall 47: used the thickness of the cryogenic temperature band rear wall 47b of vacuum insulation panel 75 and foam heat insulating material 71 different using the refrigerated storage temperature band rear wall 47a of vacuum insulation panel 75 from as heat-barrier material as heat-barrier material, but, refrigerated storage temperature band rear wall 47a also can be made different with the thickness of the vacuum insulation panel 75 of cryogenic temperature band rear wall 47b.
In the above-described embodiment, give the example possessing refrigeration cooler 20 and freezing cooler 21 two coolers, but, be not limited thereto, also can be 1 as cooler.
As described above, refrigerator according to the present embodiment, following refrigerator can be provided: possessing the heat insulating box with the different multiple storerooms of storage temperature band, the heat-barrier material forming the thermal wall of this heat insulating box employs in the refrigerator of the formation of vacuum insulation panel, have the thermal wall of the thickness corresponding with the storage temperature band of storeroom, heat-proof quality is stablized.
Although the description of several embodiment of the present invention, but these embodiments provide as an example, are not to limit scope of invention.These new embodiments can be implemented in other various mode, in the scope of purport not departing from invention, can carry out various omission, replacement, change.These embodiments and distortion thereof are also contained in scope of invention and purport, and in the invention be also contained in described in claims and equivalent scope thereof.
Claims (32)
1. a refrigerator, this refrigerator is configured to possess heat insulating box, and this heat insulating box has the different multiple storerooms of storage temperature band, and the heat-barrier material forming the thermal wall of this heat insulating box employs vacuum insulation panel,
The thickness of the thermal wall corresponding to storeroom that the thickness of the thermal wall corresponding to the storeroom that in above-mentioned storeroom, storage temperature band is high is low from storage temperature band is different.
2. refrigerator according to claim 1, is characterized in that:
The heat-barrier material of above-mentioned thermal wall also uses foam heat insulating material, and the position having this foam heat insulating material is different from the thickness of the not above-mentioned thermal wall at the position of this foam heat insulating material.
3. refrigerator according to claim 2, is characterized in that:
In above-mentioned thermal wall, heat-barrier material does not use foam heat insulating material or the few part of use amount, is only used to the thermal wall of the storeroom that storage temperature band is high in above-mentioned storeroom.
4. the refrigerator according to claim 2 or 3, is characterized in that:
In above-mentioned thermal wall, heat-barrier material does not use foam heat insulating material or the few part of use amount, is only used to the rear wall of above-mentioned storeroom.
5., according to the refrigerator in claims 1 to 3 described in any one, it is characterized in that:
In above-mentioned thermal wall, do not use the part of foam heat insulating material, between the inner panel and above-mentioned vacuum insulation panel of above-mentioned storeroom side, be provided with thin plate.
6., according to the refrigerator in claims 1 to 3 described in any one, it is characterized in that:
In above-mentioned heat insulating box, the inner panel being present in above-mentioned storeroom side is provided with the protuberance that the parts outstanding to above-mentioned storeroom side are installed.
7. the refrigerator according to claim 2 or 3, is characterized in that:
In above-mentioned heat insulating box, the narrow and small position that the above-mentioned foam heat insulating material on the inner panel being present in above-mentioned storeroom side enters and be the position becoming travel terminus, is provided with deflation hole, and with this deflation hole of thin plate shutoff.
8., according to the refrigerator in claims 1 to 3 described in any one, it is characterized in that:
In above-mentioned heat insulating box, the inner panel being present in above-mentioned storeroom side is provided with to the outstanding protuberance in storeroom side, and raised part is positioned at around above-mentioned vacuum insulation panel.
9., according to the refrigerator in claims 1 to 3 described in any one, it is characterized in that:
In above-mentioned heat insulating box, the inner panel being present in above-mentioned storeroom side is provided with to the outstanding protuberance in storeroom side, using the recess that surrounded by this protuberance as cold duct.
10., according to the refrigerator in claims 1 to 3 described in any one, it is characterized in that:
The depth size of the storeroom that the depth size of the storeroom that in above-mentioned storeroom, storage temperature band is high is lower than storage temperature band is long.
11., according to the refrigerator in claims 1 to 3 described in any one, is characterized in that:
In the cold duct of inside being formed at above-mentioned heat insulating box, the cold air flow through in this cold duct does not flow to the position that there is not above-mentioned vacuum insulation panel.
12. refrigerators according to claim 2 or 3, is characterized in that:
In above-mentioned heat insulating box, on the inner panel being present in above-mentioned storeroom side, the mode of the boundary member existed between the position of foam heat insulating material and the position not having foam heat insulating material in above-mentioned thermal wall is provided with rake.
13. refrigerators according to claim 2 or 3, is characterized in that:
At the boundary member existed between the position of foam heat insulating material and the position not having foam heat insulating material of the thermal wall of above-mentioned heat insulating box, and between the inner panel being present in above-mentioned storeroom side and above-mentioned vacuum insulation panel, be provided with the thin plate preventing foam heat insulating material from immersing.
14., according to the refrigerator in claims 1 to 3 described in any one, is characterized in that:
In above-mentioned heat insulating box, the inner panel being present in above-mentioned storeroom side has reinforcement forming section.
15. refrigerators according to claim 14, is characterized in that:
There is the cover covering above-mentioned reinforcement forming section.
16., according to the refrigerator in claims 1 to 3 described in any one, is characterized in that:
In the thermal wall of above-mentioned heat insulating box, the inner panel and the above-mentioned vacuum insulation panel that are present in above-mentioned storeroom side are bonding by bonding agent.
17., according to the refrigerator in claims 1 to 3 described in any one, is characterized in that:
In the thermal wall of above-mentioned heat insulating box, be present in the inner panel of above-mentioned storeroom side and the position not using bonding agent bonding between above-mentioned vacuum insulation panel, from above-mentioned storeroom side, quilt cover covers.
18. refrigerators according to claim 2 or 3, is characterized in that:
Foam heat insulating material exists in the mode of the surrounding surrounding above-mentioned vacuum insulation panel.
19. refrigerators according to claim 2 or 3, is characterized in that:
The foam heat insulating material in the bight of above-mentioned heat insulating box is thick.
20. refrigerators according to claim 2 or 3, is characterized in that:
The part that foam heat insulating material is thick in above-mentioned heat insulating box, this foam heat insulating material is overlapping with above-mentioned vacuum insulation panel.
21., according to the refrigerator in claims 1 to 3 described in any one, is characterized in that:
In the bight of above-mentioned heat insulating box, have the electric wiring receiver of storage electric wiring.
22., according to the refrigerator in claims 1 to 3 described in any one, is characterized in that:
Being formed at the end difference of above-mentioned vacuum insulation panel, be configured with radiating tube.
23. refrigerators according to claim 2 or 3, is characterized in that:
In above-mentioned heat insulating box, the inner panel being present in above-mentioned storeroom side is provided with chamfered section, this stoste is directed to the sidewall of above-mentioned heat insulating box by this chamfered section when injecting the stoste of foam heat insulating material.
24. refrigerators according to claim 2 or 3, is characterized in that:
In above-mentioned heat insulating box, in the injection target of the inlet of the stoste of injection foam heat insulating material, be provided with guide member, this guide member has the guide surface of the sidewall above-mentioned stoste being directed to above-mentioned heat insulating box.
25., according to the refrigerator in claims 1 to 3 described in any one, is characterized in that:
In the bight of above-mentioned heat insulating box, make the angle of the inner panel of above-mentioned storeroom side and different from the angle of the outside plate of above-mentioned storeroom opposition side.
26. refrigerators according to claim 25, is characterized in that:
In the bight of above-mentioned heat insulating box, the angle of above-mentioned inner panel is formed relax than the angle of above-mentioned outside plate.
27. refrigerators according to claim 23, is characterized in that:
At the adjacent corner of the above-mentioned outside plate of above-mentioned heat insulating box, be formed with the inlet of the stoste injecting foam heat insulating material.
28. refrigerators according to claim 25, is characterized in that:
The outside in the bight of the above-mentioned outside plate of above-mentioned heat insulating box is formed smooth, utilizes this par to fix to carry out bolt.
29., according to the refrigerator in claims 1 to 3 described in any one, is characterized in that:
Inner panel in the storeroom side of above-mentioned heat insulating box and the linking portion that the outside plate of storeroom opposition side links is provided with soft ribbons.
30., according to the refrigerator in claims 1 to 3 described in any one, is characterized in that:
On the metal base plate of the outside plate of the bottom of the above-mentioned heat insulating box of formation, be fixed with metal stiffener by spot welding.
31., according to the refrigerator in claims 1 to 3 described in any one, is characterized in that:
The adjutage of the stiffener that the rear portion possessing the low storeroom of storage temperature band in above-mentioned storeroom is arranged and the defrost water that receives cooler, is fastened on above-mentioned adjutage by above-mentioned stiffener.
32., according to the refrigerator in claims 1 to 3 described in any one, is characterized in that:
Possess the adjutage of the defrost water receiving cooler, this adjutage is fixed on by fixed part on the sidewall of the left and right of above-mentioned heat insulating box.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010034503.6A CN111219928A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010034556.8A CN111219930A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN201811000412.XA CN109186171A (en) | 2014-06-02 | 2015-02-09 | Refrigerator |
| CN202010050605.7A CN111219932A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010034507.4A CN111189277A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010034542.6A CN111219929A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010034595.8A CN111219931A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
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| JP2014114201A JP6655277B2 (en) | 2014-06-02 | 2014-06-02 | refrigerator |
| JP2014-114201 | 2014-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010050605.7A Division CN111219932A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN201811000412.XA Division CN109186171A (en) | 2014-06-02 | 2015-02-09 | Refrigerator |
| CN202010034503.6A Division CN111219928A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010034507.4A Division CN111189277A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010034556.8A Division CN111219930A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010034542.6A Division CN111219929A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010034595.8A Division CN111219931A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
Publications (1)
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|---|---|
| CN105135804A true CN105135804A (en) | 2015-12-09 |
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| CN202010034595.8A Pending CN111219931A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010050605.7A Pending CN111219932A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010034507.4A Pending CN111189277A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010034556.8A Pending CN111219930A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN201811000412.XA Pending CN109186171A (en) | 2014-06-02 | 2015-02-09 | Refrigerator |
| CN202010034503.6A Pending CN111219928A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010034542.6A Pending CN111219929A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN201510067816.0A Pending CN105135804A (en) | 2014-06-02 | 2015-02-09 | Refrigerator |
Family Applications Before (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010034595.8A Pending CN111219931A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010050605.7A Pending CN111219932A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010034507.4A Pending CN111189277A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010034556.8A Pending CN111219930A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN201811000412.XA Pending CN109186171A (en) | 2014-06-02 | 2015-02-09 | Refrigerator |
| CN202010034503.6A Pending CN111219928A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
| CN202010034542.6A Pending CN111219929A (en) | 2014-06-02 | 2015-02-09 | Refrigerator with a door |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6655277B2 (en) |
| CN (8) | CN111219931A (en) |
Cited By (3)
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| CN106871540A (en) * | 2017-02-14 | 2017-06-20 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN112212573A (en) * | 2019-07-12 | 2021-01-12 | Lg电子株式会社 | Refrigerator with a door |
| CN113686079A (en) * | 2020-05-18 | 2021-11-23 | 东芝生活电器株式会社 | Refrigerator with a door |
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| WO2018030227A1 (en) * | 2016-08-10 | 2018-02-15 | パナソニックＩｐマネジメント株式会社 | Refrigerator |
| JP2018025349A (en) * | 2016-08-10 | 2018-02-15 | パナソニックＩｐマネジメント株式会社 | refrigerator |
| DE102020212816A1 (en) * | 2020-10-09 | 2022-04-14 | BSH Hausgeräte GmbH | Household refrigeration device |
| JP7460563B2 (en) * | 2021-02-15 | 2024-04-02 | 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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- 2015-02-09 CN CN202010050605.7A patent/CN111219932A/en active Pending
- 2015-02-09 CN CN202010034507.4A patent/CN111189277A/en active Pending
- 2015-02-09 CN CN202010034556.8A patent/CN111219930A/en active Pending
- 2015-02-09 CN CN201811000412.XA patent/CN109186171A/en active Pending
- 2015-02-09 CN CN202010034503.6A patent/CN111219928A/en active Pending
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| CN112212573B (en) * | 2019-07-12 | 2022-06-24 | Lg电子株式会社 | Refrigerator with a door |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111219928A (en) | 2020-06-02 |
| CN111219929A (en) | 2020-06-02 |
| JP6655277B2 (en) | 2020-02-26 |
| CN111189277A (en) | 2020-05-22 |
| JP2015227762A (en) | 2015-12-17 |
| CN111219931A (en) | 2020-06-02 |
| CN111219932A (en) | 2020-06-02 |
| CN109186171A (en) | 2019-01-11 |
| CN111219930A (en) | 2020-06-02 |
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Effective date of registration: 20160718 Address after: Tokyo, Japan Applicant after: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATION Address before: Tokyo, Japan Applicant before: Toshiba Corp Applicant before: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATION |
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