CN103975211B

CN103975211B - Refrigerator

Info

Publication number: CN103975211B
Application number: CN201280060200.5A
Authority: CN
Inventors: 及川诚; 佐伯友康; 河田良
Original assignee: Toshiba Corp; Toshiba Consumer Electronics Holdings Corp; Toshiba Home Appliances Corp
Current assignee: Toshiba Corp; Toshiba Lifestyle Products and Services Corp
Priority date: 2011-12-07
Filing date: 2012-11-08
Publication date: 2016-06-22
Anticipated expiration: 2032-11-08
Also published as: TW201335557A; WO2013084656A1; EP2789952A4; EP2789952A1; EP2789952B1; JP2013119999A; CN103975211A; JP5868152B2; TWI512256B

Abstract

The refrigerator of present embodiment possesses heat insulating box and coating member。Heat insulating box is arranged as refrigerator main body, obtains by being combined in the multiple thermal wall portions being provided with thermal insulation board between shell and inner shell。Coating member is arranged on the required bound fraction in the bound fraction in multiple thermal wall portion, is sealed by this bound fraction。

Description

Refrigerator

Technical field

The present invention relates to refrigerator。

Background technology

Such as home-use refrigerator has the tendency that internal volume increases。Wish that the lower thickness increasing the perisporium by making heat insulating box making the internal volume of refrigerator realizes, rather than realized by the maximization of the heat insulating box as refrigerator main body。In this situation, even if thinning being also required to of perisporium guarantees enough heat-proof qualities。Therefore, except, except the perisporium filling-foam heat-barrier material of heat insulating box, also using vacuum insulation panel。And then, it is also contemplated that the perisporium of heat insulating box is only filled with vacuum insulation panel。It addition, vacuum insulation panel is the thermal insulation board that heat-proof quality is higher compared with foaminess thermal insulation board, in other words, it is the less thermal insulation board of pyroconductivity。

The plate that closure of openings is obtained after being such as make sack at the laminated film by being made up of aluminium foil and synthetic resin and putting into the nuclear component glass cotton of the cotton as thin glass fibre being made cushion and obtain and be vacuum state by exhaust gas inside in gas barrier property (gasbarrier) container that obtains by vacuum insulation panel。Thus, vacuum insulation panel becomes the plate that internal tank remains vacuum decompression state。Even if vacuum insulation panel is relatively thin also has low-thermal conductivity, in other words there is high thermal insulation。Thus, by using vacuum insulation panel, it is possible to make the perisporium of heat insulating box have high thermal insulation。

Prior art literature

Patent documentation

Patent documentation 1: No. 2728318 publications of Japanese Patent No.

Patent documentation 2: Japanese Unexamined Patent Publication 6-147744 publication

Summary of the invention

The problem that invention to solve

Employ the heat insulating box of vacuum insulation panel by casing being divided into multiple thermal wall portion, by being combined and combine and constitute in the plurality of thermal wall portion。In the heat insulating box so combination of multiple thermal wall portions constituted, extraneous gas invades from the bound fraction in thermal wall portion, or, the cold air in heat insulating box is invaded out from the bound fraction in thermal wall portion。Thus, there is, in the inner side of the bound fraction of heat insulating box or outside, such problem that condenses in generation。

Therefore, the present invention provides a kind of refrigerator that can be sealed by the bound fraction in multiple thermal wall portions。

For solving the means of problem

The refrigerator of present embodiment possesses heat insulating box and coating member。Heat insulating box is arranged as refrigerator main body, by being combined in the multiple thermal wall portions being provided with thermal insulation board between shell and inner shell。Coating member is arranged on the required bound fraction among the bound fraction in multiple thermal wall portion, is sealed by this bound fraction。

Accompanying drawing explanation

Fig. 1 indicates that the partial cross-sectional view of the heat insulating box of an embodiment。

Fig. 2 is the partial cross axonometric chart of heat insulating box。

Fig. 3 is the axonometric chart obtained from front side by heat insulating box。

Fig. 4 is the axonometric chart observed from rear side by heat insulating box and obtain。

Fig. 5 is the exploded perspective view of heat insulating box。

Fig. 6 (a) is the exploded perspective view of vacuum insulation panel, and Fig. 6 (b) is the profile of vacuum insulation panel。

Detailed description of the invention

Hereinafter, with reference to the accompanying drawings of an embodiment。It addition, the door side of refrigerator is set to " front side ", right side when relatively observing refrigerator with door is set to " right side " illustrates。

Fig. 3 and Fig. 4 illustrates the heat insulating box 1 constituting refrigerator main body。The lengthwise box like of the overall cuboid in front openings of heat insulating box 1。The inner space of heat insulating box 1 becomes accommodation space 2。As shown in Figure 5, in heat insulating box 1, as perisporium, make respectively top wall portion 1a, bottom wall part 1b, left side wall 1c, right side wall portions 1d and in side of sidewall portion 1e, by by the plurality of wall portion 1a～1e, constitute heat insulating box 1 in other words as thermal wall portion 1a～1e combination。In this situation, the quantity in wall portion is 5。Bottom wall part 1b except top wall portion 1a, left side wall 1c, right side wall portions 1d and in side of sidewall portion 1e be the tabular of rectangle。Top wall portion 1a is the less level shape in rear portion。Owing to this top wall portion 1a is level shape, when combining multiple wall portion 1a～1e and constitute heat insulating box 1, in the formation Machine Room, rear portion 3 on the top of this heat insulating box 1。In this Machine Room 3, configure the compressor etc. of not shown kind of refrigeration cycle。

Here, the structure of above-mentioned each wall portion 1a～1e is described。First, the heat insulating function of each wall portion 1a～1e is obtained by insulator such as vacuum insulation panel 4。As shown in Fig. 6 (a), the plate that closure of openings is obtained after being such as make sack at the laminated film by being made up of aluminium foil and synthetic resin and putting into the nuclear component 5 glass cotton of the cotton as thin glass fibre being made cushion and obtain and be vacuum state by its exhaust gas inside in the gas-barrier container 6 that obtains by this vacuum insulation panel 4。Thus, vacuum insulation panel 4 becomes the plate that the inside of gas-barrier container 6 remains vacuum decompression state。

As shown in Fig. 6 (a), Fig. 6 (b), each wall portion 1a～1e adopts in the metal shells 7 such as such as steel plate and the structure being such as filled with vacuum insulation panel 4 between plastic inner shell 8。Shell 7 and vacuum insulation panel 4 are fixedly connected with each other by bonding etc. and be integrated。Additionally, vacuum insulation panel 4 and inner shell 8 are fixedly connected with each other by bonding etc. and be integrated。Thus, vacuum insulation panel 4, shell 7 and inner shell 8 are integrated。It addition, flat wall portion shown in Fig. 6。But, top wall portion 1a is level shape。

In each wall portion 1a～1e, inner shell 8 is compared with shell 7, and linear foot cun and horizontal stroke are smaller。Further, vacuum insulation panel 4 is compared with inner shell 8, and linear foot cun and horizontal stroke are smaller。Thus, four limits of vacuum insulation panel 4 i.e. four ends do not arrive four limits i.e. four ends of shell 7, and, do not arrive four limits i.e. four end of inner shell 8。That is, four limits of vacuum insulation panel 4 are positioned at position, portion in inner side compared to four limits of shell 7 and four limits of inner shell 8。Additionally, the limit of the regulation among four limits of the shell 7 of each wall portion 1a～1e is formed with the connecting piece 9 being bent into right angle。The connecting piece 9 formed at required limit place of each wall portion 1a～1e for by screw etc. by connected to each other for the shell 7 in the wall portion adjoined each other。

Before the heat insulating box 1 constituted in Jiang Gebi portion 1a～1e combination, it is provided with in the vertical direction by this horizontal frame 10～12 of 3 above separated。Additionally, between the horizontal frame 11 and the horizontal frame 12 of lower floor in the middle level of heat insulating box 1, be provided with vertical frame 13。Further, although not shown, but at the rear side of the rear side of horizontal frame 10～12 and vertical frame 13, be provided with thermal wall or demarcation strip。By this thermal wall and demarcation strip, in accommodation space 2, it is divided into cold room 2a, vegetable compartment 2b, ice-making compartment 2c and specification switching chamber 2d, refrigerating chamber 2e by order from top to bottom。It addition, ice-making compartment 2c and specification switching chamber 2d arranges in the horizontal。Further, before heat insulating box 1, it is separately installed with for the not shown door by the front opening of each storeroom 2a～2e。

Refrigerator possesses cold preservation and uses and freezing 2 vaporizers (evaporator), as cooler。The cooling room that the vaporizer of cold preservation is configured in cold room 2a portion and is formed。The cooling room that freezing vaporizer is configured in refrigerating chamber 2e portion and is formed。Further, the cold air being undertaken cooling down by 2 vaporizers to cold room 2a, vegetable compartment 2b, ice-making compartment 2c and specification switching chamber 2d, refrigerating chamber 2e conveying by fan and obtain。Thus, cold room is cooled to refrigerated storage temperature, and refrigerating chamber is cooled to cryogenic temperature。

Fig. 1 is the drawing in side sectional elevation of the faceted portions extended up and down at the rear portion, right side of heat insulating box 1。Fig. 2 is the cross-section axonometric chart of the faceted portions extended up and down at the rear portion, right side of heat insulating box 1。In this Fig. 1 and Fig. 2, it is shown that the structure of the bound fraction between inner side of sidewall portion 1e and right side wall portions 1d。It addition, in Fig. 1 and Fig. 2, the composition vacuum insulation panel 4 of right side wall portions 1d, shell 7, inner shell 8 are added character " d "。On the other hand, the vacuum insulation panel 4 of side of sidewall portion 1e, shell 7, inner shell 8 in constituting are added character " e "。Thus, the vacuum insulation panel 4e of side of sidewall portion 1e, shell 7e, inner shell 8e in composition are distinguished expression with the composition vacuum insulation panel 4d of right side wall portions 1d, shell 7d, inner shell 8d。

In Fig. 1 and Fig. 2, it is provided with connecting piece 9 in the rear end of the shell 7d of right side wall portions 1d。This connecting piece 9 is from the right part of the shell 7e of side of sidewall portion 1e interior side contacts。Further, this connecting piece 9 screws tight the right part of the shell 7e in inner side of sidewall portion 1e as described later。Additionally, in the surface of rearward end of inner shell 8d of right-hand member contact right side wall portions 1d of inner shell 8e of side of sidewall portion 1e。

As described above, in each wall portion 1a～1e, the end of vacuum insulation panel 4 does not arrive the end of shell 7 and is formed slightly shorter。Therefore, by interconnected right side wall portions 1d and in the vacuum insulation panel 4d and vacuum insulation panel 4e of inside of side of sidewall portion 1e be separated from each other, there is clearance G between which。Further, in this clearance G, the heat-barrier material 14 of filling sponge shape when right side wall portions 1d and inner side of sidewall portion 1e is combined。

Between the inner shell 8d and the inner shell 8e of inner side of sidewall portion 1e of the right side wall portions 1d being concatenated or between the right part of the shell 7e of the connecting piece 9 of the shell 7d of right side wall portions 1d and inner side of sidewall portion 1e, it is impossible to avoid producing a little gap。Therefore, by this gap, cold air likely spills from the inside of accommodation space 2 to the outside of heat insulating box 1, or, the air of the outside of heat insulating box 1 likely invades to the inside of accommodation space 2。Therefore, the faceted portions extended up and down at the rear portion, right side of heat insulating box 1 is provided with coating member 15 longer in the vertical direction。Bound fraction between right side wall portions 1d and inner side of sidewall portion 1e is sealed by this coating member 15。In this situation, coating member 15 is mounted from the outside of faceted portions。

Coating member 15 is such as made of plastics, as shown in Figure 1 and Figure 2, in section L-shaped。Further, the 2 mutually orthogonal limits of coating member 15 have the portion of being adjacent to。In this situation, coating member 15 has the portion that is adjacent to 16 being close to right side wall portions 1d and is close to the portion that is adjacent to 17 of inner side of sidewall portion 1e。The width (being the length of fore-and-aft direction in this situation) being adjacent to portion 16 is sized to, make when making coating member 15 against the faceted portions at the rear portion, right side of heat insulating box 1, for the shell 7d of right side wall portions 1d, it is adjacent to portion 16 and exceedes the filling part of heat-barrier material 14 and extend to the filling part of vacuum insulation panel 4。In addition, the width (being the length of left and right directions in this situation) being adjacent to portion 17 is sized to, make when making coating member 15 against the faceted portions at the rear portion, right side of heat insulating box 1, for the shell 7e of inner side of sidewall portion 1e, it is adjacent to portion 17 and exceedes the filling part of heat-barrier material 14 and extend to the filling part of vacuum insulation panel 4e。

The leading section of the width being adjacent to portion 16,17 bends to the inside respectively。Owing to there is this dististyle portion 16a, 17a bent, the inner side being adjacent to portion 16,17 respectively becomes concavity。Further, form the concave inner side being adjacent to portion 16,17 at these, be separately filled with foaminess heat-barrier material 18,19 as thermal insulation layer。At least one party in the two foaminess heat-barrier material 18,19 is formed groove。In this situation, for instance on the surface with the foaminess heat-barrier material 19 in the shell 7e of the inner side of sidewall portion 1e portion that is adjacent to 17 contacted, be formed with groove 20。This groove 20 is positioned at the front of the width in the portion of being adjacent to 17, extends in the vertical direction。

It is adjacent to the foaminess heat-barrier material 18 in portion 16 and the foaminess heat-barrier material 19 that is adjacent in portion 17 is upwardly extending with decussate side mutually。Further, the surface of foaminess heat-barrier material 18 connects with the shell 7d of right side wall portions 1d, and the surface of foaminess heat-barrier material 19 connects with the shell 7e of inner side of sidewall portion 1e。In this situation, the shell 7d of right side wall portions 1d makes the center side outside this peripheral part of removing be formed as concavity to strengthen its peripheral part。Therefore, it is matched with this concave part, is close to the dististyle portion 16a in the portion that is adjacent to 16 of right side wall portions 1d compared to the dististyle portion 17a of inner side of sidewall portion 1e side, highlights to the inside longerly。Additionally, the part of the front connected with the concave part of shell 7d among the surface of the foaminess heat-barrier material 18 being adjacent in portion 16 highlights to the inside higher compared with the part of base end side。

Further, as described above, it is adjacent to portion 16 and exceedes the separate section between vacuum insulation panel 4d and vacuum insulation panel 4e and clearance G, and extend to the filling part of vacuum insulation panel 4d。Thus, the end of vacuum insulation panel 4d from outer side covers, and then is also covered by foaminess heat-barrier material 18 by the separate section between vacuum insulation panel 4d and vacuum insulation panel 4e and clearance G。Additionally, be adjacent to portion 17 to exceed the separate section between vacuum insulation panel 4d and vacuum insulation panel 4e and clearance G, and extend to the filling part of vacuum insulation panel 4e。Thus, the end of vacuum insulation panel 4e from outer side covers, and then is also covered by foaminess heat-barrier material 19 by the separate section between vacuum insulation panel 4d and vacuum insulation panel 4e and clearance G。

Coating member 15 there is the bottom surface 3a (the low aspect at the rear portion of top wall portion 1a) started to Machine Room 3 with the lower end from heat insulating box 1 the equal length of length。Further, it is adjacent to portion 16,17 and is intermittently formed with multiple rib 16b, the 17b for being strengthened the mounting portion being installed on thermal wall portion respectively in the vertical direction。This rib 16b, 17b are also as the function in the mounting portion being installed on thermal wall portion own。This rib 16b, 17b are formed from the surface being adjacent to portion 16,17 towards inner side respectively, such as cylindric prominent in tubular with the end。The overhang of rib 16b, 17b is set to the degree equal with forming the concave degree of depth being adjacent to portion 16,17。The surface co-planar of the outer bottom of this rib 16b, 17b and foaminess heat-barrier material 18,19。

In the bottom of rib 16b, 17b of being adjacent to portion 16,17, it is respectively formed with through hole 22。In these through holes 22, break-through is for being fixed on right side wall portions 1d by being adjacent to portion 16 or will be adjacent to portion 17 and be fixed on the tapping screw 21 of inner side of sidewall portion 1e respectively。Further, at the shell 7d of right side wall portions 1d, it is formed with flange (burring) the hole portion 23 being screwed into by tapping screw 21。Additionally, at the shell 7e of inner side of sidewall portion 1e, be formed with the through hole 24 for making tapping screw 21 break-through。Additionally, in the connecting piece 9 with this shell 7e right side wall portions 1d contacted, be formed with the flanging bore portion 25 being screwed into by tapping screw 21。

When coating member 15 is installed on the faceted portions at rear portion, right side of heat insulating box 1, by pipe arrangement, such as suction catheter (suctionpipe) 26 insert foaminess heat-barrier material 19 groove 20 in after, coating member 15 is arranged in the faceted portions at the rear portion, right side of heat insulating box 1。Further, make the portion that is adjacent to 16 contact with the shell 7d of right side wall portions 1d, and make the portion that is adjacent to 17 contact with the shell 7e of inner side of sidewall portion 1e。Under this state, make tapping screw 21 break-through in being adjacent to the through hole 22 of rib 16b in portion 16, and then be screwed in the flanging bore portion 23 of shell 7d of right side wall portions 1d。Thus, it is adjacent to portion 16 and is fixed in right side wall portions 1d。Additionally, make tapping screw 21 be adjacent to the through hole 22 of rib 17b in portion 17 and in side of sidewall portion 1e shell 7e through hole 24 in break-through successively, and then be screwed in the flanging bore portion 25 of connecting piece 9 of right side wall portions 1d。Thus, it is adjacent to portion 17 and is fixed in inner side of sidewall portion 1e。

Groove 20 is formed in the front being adjacent to portion 17。Therefore, when being secured by coating member 15, suction catheter 26 is arranged in the outside with the vacuum insulation panel 4e part connected of corresponding for the vacuum insulation panel 4e part with inner side of sidewall portion 1e, i.e. shell 7e。It addition, cold preservation is used by suction catheter 26 and the suction inlet of freezing 2 vaporizers and compressor connects。This suction catheter 26 flows through the liquid coolant of low temperature。

According to present embodiment, in the faceted portions at the rear portion, right side of heat insulating box 1, coating member 15 is installed。Therefore, from outside, capped parts 15 seal the bound fraction between right side wall portions 1d and inner side of sidewall portion 1e。Thus, even if the bound fraction between right side wall portions 1d and inner side of sidewall portion 1e exists a little gap, it is also possible to prevent the cold air in accommodation space 2 from spilling to outside, or extraneous gas invades in accommodation space 2。Thus, it is possible to prevent shell 7d, 7e and inner shell 8d, 8e from condensing, and the cooling effectiveness of accommodation space 2 can be improved。

Particularly, according to present embodiment, coating member 15 is provided with foaminess heat-barrier material 18,19。This foaminess heat-barrier material 18,19 deformed by natural resiliency and with the shell 7e close proximity of the shell 7d of right side wall portions 1d and inner side of sidewall portion 1e。Therefore, sealing effectiveness is particularly excellent。

And, according to present embodiment, the shell 7d of the right side wall portions 1d connecting piece 9 possessed is made to contact from the shell 7e of inner side with inner side of sidewall portion 1e, the rib 17b that the portion that is adjacent to 17 of coating member 15 possesses is made to contact from the shell 7e in outside with inner side of sidewall portion 1e, further, by tapping screw 21, rib 17b is fastened and fixed the flanging bore portion 23 in connecting piece 9。Thus, the connecting piece 9 of the shell 7d of right side wall portions 1d and the shell 7e of inner side of sidewall portion 1e are mutually fastened strongly, produce gap between the two and reduce。Thus, it is possible to improve sealing further。

Further, foaminess heat-barrier material 18,19 is present in the part corresponding with clearance G part。And then, according to present embodiment, foaminess heat-barrier material 18,19 is not only present in the part corresponding with clearance G, also the part corresponding with clearance G is covered and extended to the part at vacuum insulation panel 4d, 4e place。Therefore, even if heat-barrier material 14 thermal insulation compared with vacuum insulation panel 4d, 4e filled in clearance G is poor, it is also possible to compensated the heat insulation deficiency of this heat-barrier material 14 by foaminess heat-barrier material 18,19。Thus, it is possible to the heat-proof quality of the bound fraction improved between right side wall portions 1d and inner side of sidewall portion 1e。

According to present embodiment, suction catheter 26 the being foamed property heat-barrier material 19 of the coolant flowing through low temperature covers。Thereby, it is possible to prevent suction catheter 26 from condensing。

In addition, such as when suction catheter 26 is configured in the position corresponding with clearance G, when shell 7e be attracted pipe 26 cool down time, the refrigerated storage temperature band in this chilled part contact clearance G is (such as, 2～3 DEG C) air, occur condense such problem。According to present embodiment, suction catheter 26 is configured in the position corresponding with vacuum insulation panel 4e。Therefore, even if shell 7e is attracted pipe 26 and cools down, this chilled part is without the air of the refrigerated storage temperature band in contact gap G。Thus, it is possible to prevent being attracted the chilled part of pipe 26 such problem that condenses occurs。

Additionally, coating member 15 is arranged rib 16b, 17b, by tapping screw 21, this rib 16b, 17b it is fixed on right side wall portions 1d, inner side of sidewall portion 1e。Thereby, it is possible to improve the intensity of the fastening force to tapping screw 21。That is, if being not provided with rib 16b, 17b, then coating member 15 can be subject to the fastening force of tapping screw 21 and bends and the problem of accumulating the intensity aspect of internal stress etc.。But, according to present embodiment, it is possible to prevent the generation of such problem。

Additionally, right side wall portions 1d is fixed in the portion that is adjacent to 16 of coating member 15, it is adjacent to portion 17 and is fixed on inner side of sidewall portion 1e。Such coating member 15, owing to upwardly extending in the side being adjacent to portion 16 be adjacent to portion 17 mutually orthogonal, so have with 90 degree in conjunction with angle to keep right side wall portions 1d and the function of inner side of sidewall portion 1e, namely have by right side wall portions 1d and in the intersecting angle of side of sidewall portion 1e remain the function at right angle。Further, it is adjacent to portion 16 and is formed with rib 16b, be adjacent to portion 17 and be formed with rib 17b。Intensity accordingly, as coating member 15 improves, it is possible to strengthen with 90 degree keep right side wall portions 1d and the function of inner side of sidewall portion 1e in conjunction with angle。

It addition, above-mentioned embodiment is pointed out as an example, it is not intended to limit scope of invention。This new embodiment can be implemented with other various forms, within a range not departing from the gist of the invention, it is possible to carry out various omission, replacement, change。These embodiments and deformation thereof are included in scope of invention and purport, and are included in invention and the equivalency range thereof of claim record。

For example, it is also possible to be, will be full of with vacuum insulation panel 4 and the foamed heat-insulating material filled in the inner side of this vacuum insulation panel 4 or outside between the shell 7 of wall portion 1a～1e and inner shell 8。

Heat insulating box 1 is not limited to be made up of 5 wall portion 1a～1e。Such as, the parts that heat insulating box 1 can also obtain making 2 wall portions such as left side wall 1c and inner side of sidewall portion 1e, bottom wall part 1b and inner side of sidewall portion 1e be integrally formed are as 1 wall portion。

The pipe arrangement covered by foaminess heat-barrier material can also be the pipe beyond suction catheter。

Rib can also be, forms through hole at the surface element being adjacent to portion 16,17, is formed around tubular at this through hole。

Rib 16b, 17b are not limited to tubular。

Coating member can also cover from the inner side of accommodation space 2 by the bound fraction in multiple thermal wall portions, the corner that is such as made up of the inner shell 8e of the inner shell 8d of right side wall portions 1d and inner side of sidewall portion 1e。

Coating member is arranged on the required bound fraction in the bound fraction of wall portion 1a～1e。Thus, coating member can not be particularly provided at and can carry out, by applying such as sealant, the such part sealed。

Vacuum insulation panel 4 can also be replaced to use other insulator, for instance foaming heat insulation plate。

Claims

1. a refrigerator, possesses:

Heat insulating box, is arranged as refrigerator main body, and by being combined in multiple thermal wall portions, above-mentioned thermal wall portion is provided with thermal insulation board to form between shell and inner shell；And

Coating member, is arranged on the required bound fraction in the bound fraction in multiple above-mentioned thermal wall portion, is sealed by this bound fraction,

In 2 above-mentioned thermal wall portions that above-mentioned bound fraction is sealed by above-mentioned coating member, the thermal insulation board in the thermal insulation board in a thermal wall portion and another thermal wall portion is separated from each other,

Above-mentioned coating member is separately filled with foaminess heat-barrier material and as thermal insulation layer between 2 above-mentioned thermal wall portions,

Above-mentioned thermal insulation layer at least covers the separate section between the thermal insulation board in a thermal wall portion and the thermal insulation board in another thermal wall portion。

2. such as the refrigerator that claim 1 is recorded,

It is provided with pipe arrangement in the inner side of above-mentioned coating member。

3. such as the refrigerator that claim 2 is recorded,

Above-mentioned pipe arrangement is suction catheter vaporizer and compressor connected,

Above-mentioned suction catheter is corresponding with the part being provided with above-mentioned thermal insulation board。

4. such as the refrigerator that claim 1 is recorded,

Above-mentioned coating member has rib, and this rib will be installed on the part reinforcement of the above-mentioned coating member in above-mentioned thermal wall portion。

5. such as the refrigerator that claim 4 is recorded,

Above-mentioned rib becomes tubular with the end,

This has the rib of bottom tube-like to be fastened onto above-mentioned thermal wall portion when making to abut with above-mentioned thermal wall portion bottom it by screw。

6. such as the refrigerator that any one in claim 1 to 5 is recorded,

Above-mentioned coating member is fixed in the way of the corners of above-mentioned heat insulating box being covered from outside, and the intersecting angle in combine in this corners 2 above-mentioned thermal wall portions is remained right angle。