WO2012172896A1 - 冷蔵庫 - Google Patents

冷蔵庫 Download PDF

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Publication number
WO2012172896A1
WO2012172896A1 PCT/JP2012/062166 JP2012062166W WO2012172896A1 WO 2012172896 A1 WO2012172896 A1 WO 2012172896A1 JP 2012062166 W JP2012062166 W JP 2012062166W WO 2012172896 A1 WO2012172896 A1 WO 2012172896A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat insulating
box
corner
fixture
insulating member
Prior art date
Application number
PCT/JP2012/062166
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
及川　誠
佐伯　友康
Original Assignee
株式会社 東芝
東芝コンシューマエレクトロニクス・ホールディングス株式会社
東芝ホームアプライアンス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社 東芝, 東芝コンシューマエレクトロニクス・ホールディングス株式会社, 東芝ホームアプライアンス株式会社 filed Critical 株式会社 東芝
Priority to CN201280037089.8A priority Critical patent/CN103733007B/zh
Priority to EP12799792.2A priority patent/EP2722624B1/en
Publication of WO2012172896A1 publication Critical patent/WO2012172896A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/062—Walls defining a cabinet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/062—Walls defining a cabinet
    • F25D23/063—Walls defining a cabinet formed by an assembly of panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/40—Refrigerating devices characterised by electrical wiring

Definitions

  • Embodiment of this invention is related with a refrigerator.
  • the pipes constituting the refrigeration cycle and the electric wires connected to the electrical components in the warehouse are embedded in the urethane foam inside the heat insulating wall. It was.
  • the vacuum heat insulation panel has a fixed shape, so if you try to place piping or wires inside the heat insulation wall avoiding the vacuum heat insulation panel, make the vacuum heat insulation panel thinner. Or the insulation wall itself needs to be thick. In this case, the former leads to a decrease in heat insulation performance, and the latter leads to a decrease in the interior space.
  • the refrigerator of the embodiment includes a heat insulating box and an electric wire or piping.
  • the said heat insulation box is formed in a box shape, and has a storage space inside the box shape.
  • the heat insulating wall constituting the heat insulating box is configured by sandwiching a first heat insulating member having a formability between the outer plate and the inner plate, or the first heat insulating member between the outer plate and the inner plate. It is configured by filling a second heat insulating member that can be filled while sandwiching the member.
  • the electric wire or the pipe is provided in the accommodation space.
  • Perspective view showing appearance of refrigerator The perspective view which shows the inside of the refrigerator seen from the front right
  • Vertical side view of heat insulation box Cross-sectional plan view schematically showing the refrigerator compartment inside the heat insulation box
  • Exploded perspective view of insulation wall Transverse plan view schematically showing the right part of the front side of the heat insulation box
  • Cross-sectional plan view schematically showing the left corner of the heat insulation box The perspective view which shows the attachment state of the fixing tool provided in the corner part of the left back side of a heat insulation box.
  • Transverse plan view showing the mounting state of the fixture provided at the corner on the left back side of the heat insulation box (part 1)
  • Transverse plan view (part 2) showing the mounting state of the fixture provided at the left back corner of the heat insulation box
  • Cross-sectional plan view schematically showing the corner on the right back side of the heat insulation box
  • the perspective view which shows the attachment state of the fixing tool provided in the corner part of the right back side of a heat insulation box.
  • the perspective view which shows the state before a fixture is attached to the corner part of the right back side of a heat insulation box.
  • FIG. 9 equivalent view showing the fixture of the second embodiment.
  • FIG. 22 equivalent view showing the heat insulating member of the third embodiment.
  • the refrigerator 11 includes a heat insulating box 12 shown in FIG. 2 and a refrigeration cycle (not shown) for cooling the heat insulating box 12.
  • the heat insulating box 12 is formed in a box shape with one surface opened.
  • the opening side of the heat insulation box 12 be the front side of the refrigerator 11, and let the left-right direction of the paper surface of FIG.
  • the heat insulating box 12 is configured as a box having an outer box 13, an inner box 14, and a first heat insulating member 15 by combining a plurality of heat insulating walls 31. As shown in FIG. 5, the first heat insulating member 15 is provided between the outer box 13 and the inner box 14.
  • the first heat insulating member 15 is a plate-shaped heat insulating member and has a fixed shape. That is, the 1st heat insulation member 15 is comprised so that a deformation
  • the outer box 13 is made of steel, for example, and is configured in a box shape with an open front surface.
  • the outer box 13 constitutes the outer surface of the heat insulating box 12.
  • the outer box 13 is configured by combining a plurality of divided outer plates.
  • the outer box 13 includes an upper outer plate 16, a bottom outer plate 17, a right outer plate 18, a left outer plate 19, and a back outer plate 20.
  • the upper outer plate 16 constitutes the upper outer surface of the heat insulating box 12.
  • the upper outer plate 16 is formed in a step shape in which the rear portion is positioned below the front portion.
  • the bottom outer plate 17 forms the bottom outer surface of the heat insulating box 12 and is formed in a substantially flat plate shape parallel to the upper outer plate 16.
  • the right outer plate 18 and the left outer plate 19 are formed in a substantially flat plate shape and constitute the left and right outer surfaces of the heat insulating box 12.
  • the right outer plate 18 and the left outer plate 19 are configured symmetrically.
  • the back outer plate 20 is formed in a substantially flat plate shape and is provided on the back portion of the heat insulating box 12.
  • the back outer plate 20 constitutes the back outer surface of the heat insulating box 12.
  • a machine room 21 is formed on the upper rear portion of the upper outer plate 16.
  • the machine room 21 is provided with a compressor constituting a refrigeration cycle (not shown).
  • an upper separating portion 211 is formed at a position corresponding to the bottom surface of the machine room 21.
  • the upper separation portion 211 is an opening formed by providing a gap between the adjacent first heat insulating members 15.
  • the upper separating portion 211 is formed by disposing the first heat insulating member 15 located on the upper side of the heat insulating box 12 and the first heat insulating member 15 located on the back side away from each other. .
  • a second heat insulating member 151 is provided in the upper separating portion 211.
  • the second heat insulating member 151 is a foam heat insulating material other than a vacuum heat insulating panel such as, for example, urethane foam.
  • the second heat insulating member 151 has fluidity when the heat insulating wall 31 is manufactured, and can be filled in the heat insulating wall 31. And if the 2nd heat insulation member 151 is filled inside the heat insulation wall 31, it will exhibit heat insulation performance, after foaming and hardening.
  • the upper separating portion 211 has a communication hole 211a extending in the vertical direction.
  • the communication hole 211a is formed through the second heat insulating member 151 and the upper inner plate 22 in the vertical direction.
  • the communication hole 211a may be a slit.
  • a parts accommodating chamber 212 is formed on the lower rear side of the heat insulating box 12.
  • the component storage chamber 212 stores, for example, a condenser for a refrigeration cycle, components used for refrigeration and freezing control, and the like.
  • a lower spacing portion 213 is formed at a position corresponding to the component storage chamber 212.
  • the lower separating portion 213 is formed by disposing the first heat insulating member 15 located on the bottom side of the heat insulating box 12 and the first heat insulating member 15 located on the back side away from each other.
  • a second heat insulating member 151 that can be filled is also provided in the lower separation portion 213.
  • the lower spacing portion 213 has a communication hole extending in the vertical direction. This through hole is formed through the second heat insulating member 151 and the bottom inner plate 23 in the vertical direction.
  • the communication hole may be a slit.
  • the inner box 14 is made of resin and is formed in a box shape with an opening on the front side.
  • the inner box 14 is provided inside the outer box 13 and constitutes the inner surface of the heat insulating box 12.
  • the inner box 14 is configured by combining a plurality of divided inner plates.
  • the inner box 14 includes an upper inner plate 22, a bottom inner plate 23, a right inner plate 24, a left inner plate 25, and a back inner plate 26.
  • the upper inner plate 22 constitutes the upper inner surface of the heat insulating box 12. Similar to the upper outer plate 16, the upper inner plate 22 is formed in a step shape in which the rear portion is positioned below the front portion.
  • the bottom inner plate 23 constitutes the bottom inner surface of the heat insulating box 12 and is formed as a substantially flat plate parallel to the upper inner plate 22.
  • the right inner plate 24 and the left inner plate 25 are formed in a substantially flat plate shape and constitute the left and right inner surfaces of the heat insulating box 12. In this case, the right inner plate 24 and the left inner plate 25 are configured symmetrically.
  • the back inner plate 26 is formed in a substantially flat plate shape and is provided on the back portion of the heat insulating box 12. The back inner plate 26 constitutes the back inner surface of the heat insulating box 12.
  • the right inner plate 24, the left inner plate 25, and the back inner plate 26 are provided with a plurality of support members 27, respectively.
  • the plurality of support members 27 are on the right inner plate 24, the left inner plate 25, and the back inner plate 26, and are arranged in the vertical direction.
  • the support member 27 is made of, for example, a resin, and as shown in FIGS. 20 and 21, is mainly composed of a rectangular parallelepiped block.
  • the support member 27 has a screw hole 271 and a flange portion 272.
  • the support member 27 is passed through an opening 28 formed in the inner plates 24, 25, and 26 and protrudes toward the storage chamber.
  • the screw hole 271 is formed from the storage chamber side toward the inner plates 24, 25 and 26.
  • a female screw is formed inside the screw hole 271.
  • the flange portion 272 is formed in a plate shape larger than the main body of the support member 27, and is provided on the side opposite to the storage chamber with respect to the inner plates 24, 25, and 26.
  • the flange portion 272 serving as the base end portion of the support member 27 is fixed by being bonded to the first heat insulating member 15 and is sandwiched and fixed between the first heat insulating member 15 and the inner plates 24, 25, and 26. ing.
  • the collar portion 272 functions as a retaining member that suppresses the support member 27 from falling off from the opening 28 toward the storage chamber.
  • the support member 27 may be configured integrally with the inner plates 24, 25, and 26. Further, the support member 27 may have a configuration in which the base end portion of the support member 27 is bonded to the first heat insulating member 15 without having the flange portion 272.
  • the upper outer plate 16 and the upper inner plate 22, the bottom outer plate 17 and the bottom inner plate 23, the right outer plate 18 and the right inner plate 24, the left outer plate 19 and the left inner plate. 25 and the back outer plate 20 and the back inner plate 26 are opposed to each other with the first heat insulating member 15 interposed therebetween. That is, between the outer box 13 and the inner box 14, the 1st heat insulation member 15 is provided corresponding to each wall surface.
  • the first heat insulating member 15 is composed of a member having a low thermal conductivity and excellent heat insulating performance, for example, a flat vacuum heat insulating panel, such as urethane heat insulating material such as urethane or soft tape.
  • the first heat insulating member 15 has a core material and an outer bag body that accommodates the core material.
  • the core material is formed by compressing and curing a highly heat-insulating material, for example, a laminate of inorganic fibers such as glass wool in a synthetic resin film inner bag such as polyethylene, and then compressing and curing it into a rectangular plate shape.
  • the core material may be formed by, for example, a paper making method or a heat compression method.
  • the outer bag body is formed in a bag shape by a film in which, for example, a polyethylene terephthalate film, a high density polyethylene film, an aluminum vapor deposition film, an aluminum foil sheet, and the like are appropriately combined and laminated.
  • This outer bag body has a gas barrier property.
  • the first heat insulating member 15 is configured by reducing the pressure inside the outer bag while the core material is accommodated in the outer bag, and sealing the opening of the outer bag by heat welding or the like while maintaining the reduced pressure. Yes.
  • the first heat insulating member 15 has one surface bonded to the inner box 14, that is, the outer surface of the outer plate, and the other surface bonded to the outer box 13, that is, the inner surface of the inner plate.
  • the first heat insulating member 15 provided inside the wall constituting the heat insulating box 12 is in contact with the outer plates 16 to 20 and the inner plates 22 to 26, respectively.
  • the first heat insulating member 15 is sandwiched between the left outer plate 19 and the left inner plate 25 facing the left outer plate 19. ing.
  • the first heat insulating member 15 and the left outer plate 19 are bonded with an adhesive 29.
  • first heat insulating member 15 and the left inner plate 25 are bonded by an adhesive 30.
  • the adhesives 29 and 30 are, for example, liquid adhesives or double-sided tapes.
  • the support member 27 is bonded to the first heat insulating member 15 with an adhesive 30.
  • the plurality of heat insulating walls 31 include the outer plates 16 to 20, the inner plates 22 to 26 facing the outer plates 16 to 20, the first corresponding to the outer plates 16 to 20 and the inner plates 22 to 26.
  • the heat insulating member 15 is used.
  • the heat insulation box 12 is comprised by combining this some heat insulation wall 31.
  • the heat insulating wall 31 may be referred to as a divided heat insulating panel.
  • the heat insulating wall 31 includes five heat insulating walls 31 including an upper heat insulating wall 311, a bottom heat insulating wall 312, a right heat insulating wall 313, a left heat insulating wall 314, and a back heat insulating wall 315.
  • the upper heat insulation wall 311 constitutes the upper wall of the heat insulation box 12
  • the bottom heat insulation wall 312 constitutes the bottom wall of the heat insulation box 12
  • the right heat insulation wall 313 constitutes the right wall of the heat insulation box 12.
  • the left heat insulating wall 314 forms the left wall of the heat insulating box 12
  • the back heat insulating wall 315 forms the back wall of the heat insulating box 12.
  • the right heat insulating wall 313 and the left heat insulating wall 314 have a symmetrical shape and are disposed to face each other.
  • the front end portions of the right heat insulating wall 313 and the left heat insulating wall 314 forming the left and right walls of the heat insulating box 12 will be described with reference to FIGS. 3, 4, and 8.
  • the right heat insulating wall 313 and the left heat insulating wall 314 are configured symmetrically. Therefore, the description of the left heat insulating wall 314 is omitted by the description of the right heat insulating wall 313.
  • the right heat insulating wall 313 has bent portions 32 at two locations near the front end and in the vicinity of the center in the vertical direction and the lower portion.
  • the two bending parts 32 are the same structures, the bending part 32 provided in the center part of the up-down direction of the front-end part of the right side heat insulation wall 313 is demonstrated.
  • the bent portion 32 bends to the left at the front end portion of the right outer plate 18, and then folded to the right outer side of the outer case 13 in front of the right inner plate 24 of the inner case 14. It is formed into a shape.
  • the bent portion 32 has two flat portions 321 extending in the left-right direction and a curved portion 322 connecting the two flat portions 321.
  • the two flat portions 321 are substantially opposed to each other and are positioned in front of the first heat insulating member 15.
  • the curved portion 322 is bent by approximately 180 ° so as to be folded back, and is formed in a U-shape that is open to the right outside of the outer box 13 when viewed from above.
  • the curved portion 322 is provided in front of the right inner plate 24 and at a position that substantially overlaps the right inner plate 24 in the left-right direction. In this case, the front end portion of the flat portion 321 is bent so as not to be located outside the heat insulating box 12.
  • An opening 33 is formed between the curved portion 322 and the front end portion of the right inner plate 24. Further, an end insertion chamber 34 is formed between the bent portion 32 and the front end portion of the first heat insulating member 15.
  • the opening 33 is formed by separating the front end portion of the right inner plate 24 and the bent portion 32 of the right outer plate 18 and functions as an inlet of the end insertion chamber 34.
  • the end insertion chamber 34 is a space formed by separating the bent portion 32 of the right outer plate 18 and the first heat insulating member 15. Further, the two flat portions 321 are formed with through holes 35 penetrating in the plate thickness direction.
  • the heat insulation box 12 has a first partition member 37 and a second partition member 38 inside the inner box 14.
  • the first partition member 37 is provided at the center portion in the vertical direction inside the inner box 14.
  • the second partition member 38 is provided below the first partition member 37.
  • the first partition member 37 and the second partition member 38 partition the inner box 14 in the vertical direction. Thereby, the storage chamber formed inside the inner box 14 is divided into a plurality of chambers to form a plurality of chambers.
  • the refrigerator 11 includes a refrigerator room 39, a vegetable room 40, an ice making room 41, a first freezing room 42, and a second freezing room 43 as storage rooms.
  • the refrigerator compartment 39 is provided in a space surrounded by the inner box 14 and the first partition member 37.
  • the vegetable compartment 40 is provided in a space surrounded by the inner box 14, the first partition member 37, and the second partition member 38.
  • the ice making chamber 41, the first freezing chamber 42, and the second freezing chamber 43 are provided in a space below the inner box 14 surrounded by the inner box 14 and the second partition member 38.
  • the ice making chamber 41 is provided on the lower left side of the second partition member 38
  • the second freezing chamber 43 is provided on the right side of the ice making chamber 41.
  • the first freezing chamber 42 is provided below the ice making chamber 41 and the second freezing chamber 43.
  • the refrigerator 11 includes a refrigerator compartment door 391, a vegetable compartment door 401, an ice making compartment door 411, a first freezer compartment door 421, and a second freezer compartment door 431, as shown in FIG.
  • the refrigerator compartment door 391 is a rotary type and is provided at the front opening of the refrigerator compartment 39.
  • the vegetable compartment door 401 is a drawer type and is provided at the front opening of the vegetable compartment 40.
  • the ice making room door 411, the first freezing room door 421, and the second freezing room door 431 are of a drawer type, and are front openings of the ice making room 41, the first freezing room 42, and the second freezing room 43, respectively.
  • first partition member 37 and the second partition member 38 will be described. Since the first partition member 37 and the second partition member 38 have substantially the same configuration in appearance, the first partition member 37 will be described as a representative with reference to FIG. Moreover, since the 1st partition member 37 is a left-right symmetric shape, the structure of the right side is demonstrated.
  • the first partition member 37 includes a front partition portion 44 and a surface partition portion 45.
  • the front partition 44 is provided on the opening side of the front surface of the heat insulating box 12 and is configured in a rectangular parallelepiped shape extending in the left-right direction.
  • the front partition 44 includes a partition plate 441, a partition reinforcing plate 442, a partition cover 443, and a partition heat insulating member 444.
  • the partition plate 441 is a metal plate member and constitutes a front wall of the front partition portion 44.
  • the left and right ends of the partition plate 441 are bent slightly rearward.
  • the left and right ends of the partition plate 441 are inserted into the end insertion chamber 34 through the openings 33 formed at the front ends of the left and right heat insulating walls 313 and 314, respectively.
  • Three through holes 445 are formed at the right end of the front partition 44.
  • the partition reinforcement plate 442 is a metal plate and is formed in a plate shape along the rear surface of the partition plate 441.
  • the partition reinforcing plate 442 is set such that the vertical dimension is equal to or shorter than the vertical dimension of the partition plate 441. Further, the partition reinforcing plate 442 is set so that the dimension in the left-right direction is longer than the dimension in the left-right direction of the partition plate 441.
  • the partition reinforcing plate 442 has a thickness equal to or thicker than that of the partition plate 441.
  • the partition reinforcement plate 442 is provided in contact with the rear surface of the partition plate 441, that is, the back surface, with both left and right ends bent to the rear side. The partition reinforcing plate 442 is provided when the partition plate 441 has a low tensile strength.
  • the right end portion of the partition plate 441 is sandwiched between the right end portion of the partition reinforcing plate 442 and the bent portion 32 of the right outer plate 18 in the end insertion chamber 34 of the right heat insulating wall 313. The same applies to the left end portion of the partition plate 441.
  • the front surface of the partition plate 441 is flush with the front surface of the bent portion 32.
  • the right end portion of the partition reinforcing plate 442 is bent in an L-shaped cross section at a position on the right side of the partition plate 441. That is, the right end portion of the partition plate 441 is bent rearward along the corner shape of the right front portion of the right outer plate 18. The same applies to the left end portion of the partition plate 441.
  • the partition reinforcing plate 442 has three screw holes 446 at the right end. A female screw is formed inside the screw hole 446. The three screw holes 446 correspond to the respective through holes 445 formed in the partition plate 441. A screw 46 is provided in the screw hole 446 located on the rightmost side among the three locations. The screw 46 is passed through the through hole 35 of the right outer plate 18 and the through hole 445 of the partition plate 441.
  • Screws 47 are provided in the remaining two screw holes 446 of the partition reinforcing plate 442.
  • the screw 47 is passed through the through hole 445 of the partition plate 441. Accordingly, the right end portion of the partition plate 441 and the right end portion of the partition reinforcing plate 442 are connected and fixed to the bent portion 32 of the right outer plate 18.
  • the left end portion of the partition plate 441 and the left end portion of the partition reinforcing plate 442 are configured in the same manner as the right end portion described above. That is, the left end portion of the partition plate 441 and the left end portion of the partition reinforcing plate 442 are connected and fixed to the left heat insulating wall 314, that is, the bent portion (not shown) of the left outer plate 19.
  • the partition plate 441 functions as a connecting member that connects and fixes the right heat insulating wall 313 and the left heat insulating wall 314 on the opening side of the front surface of the heat insulating box 12.
  • the bent portion 32 functions as a connected member.
  • the partition cover 443 is made of metal and is formed in a horizontally long box shape with an opening on the front side.
  • the partition cover 443 constitutes a rectangular parallelepiped outer wall of the front partition portion 44 together with the partition plate 441.
  • the partition cover 443 is supported by the support member 27.
  • the partition cover 443 has a mounting portion (not shown) at the lower portion, and the mounting portion is fixed to the support member 27 by screws (not shown).
  • a partition heat insulating member 444 is provided in a rectangular parallelepiped space formed by the partition cover 443 and the partition plate 441.
  • the partition heat insulation member 444 is comprised by heat insulation members, such as a polystyrene foam and urethane, and is formed in the rectangular parallelepiped shape.
  • the surface partition portion 45 is formed in a rectangular plate shape as a whole by a resin member.
  • the surface partition portion 45 of the second partition member 38 has a heat insulating member such as a vacuum heat insulating panel inside.
  • the surface partition part 45 of the 2nd partition member 38 has heat insulation.
  • the surface partition 45 is placed and held on the support member 27. Further, the surface partition 45 is provided such that the front end is in contact with the back surface of the front partition 44 and the left and right ends are in contact with the right inner plate 24 and the left inner plate 25.
  • the first partition member 37 is provided with a gap between the rear end portion of the surface partition portion 45 and the back inner plate 26. Thereby, the refrigerator compartment 39 and the vegetable compartment 40 are connected.
  • the second partition member 38 is provided in contact with the rear end portion of the surface partition portion 45 and the back inner plate 26. Thereby, the refrigerator compartment 39 and the vegetable compartment 40 are insulated from the ice making room 41, the first freezing room 42, and the second freezing room 43.
  • the heat insulating wall 31 is connected and fixed to another adjacent heat insulating wall 31 via a fixture 51.
  • the fixture 51 is in the inner box 14 and is formed with a corner portion formed by the upper inner plate 22 and the right inner plate 24, a corner portion formed by the upper inner plate 22 and the left inner plate 25, and an upper portion.
  • the fixing tool 51 is fixed at a position facing the two first heat insulating members 15 that are adjacent and spaced apart.
  • an electric wire 52 is arranged at one corner portion at the rear of the inner box 14, for example, the corner portion on the back left side formed by the left inner plate 25 and the back inner plate 26. ing.
  • the electric wire 52 extends along the corner portion.
  • the electric wire 52 is a power supply and signal electric wire for connecting the blower fan, various sensors, and the control device.
  • the electric wire 52 is arranged by bundling a plurality of electric wires.
  • the drawing shows an electric wire 52 in which a plurality of electric wires are bundled to have a circular cross section.
  • a pipe 53 is arranged.
  • the pipe 53 extends along the corner portion.
  • the pipe 53 is a suction pipe or the like that connects an evaporator (not shown) for refrigeration and freezing and a compressor.
  • two pipes 53 are provided side by side, a refrigerant used for refrigeration flows through one pipe 53, and a refrigerant used for freezing flows through the other pipe 53.
  • the pipe 53 is connected to a refrigerator for refrigeration and freezing.
  • the electric wire 52 is connected to a blower fan (not shown).
  • This blower fan circulates by supplying the cool air generated by the evaporator to the storage chamber.
  • This blower fan is preferably disposed between the left and right fixtures 51 in the storage chamber.
  • a duct for circulating cold air is provided between the left and right fixtures 51, although details are not shown.
  • This duct is preferably equal to the thickness of the fixture 51 in the front-rear direction or thinner than the fixture 51.
  • the fixtures 51 provided at each corner portion of the inner box 14 have a similar configuration, hereinafter, the fixtures 511 provided at the corner portion formed by the left inner plate 25 and the back inner plate 26.
  • the fixing tool 512 provided in the corner portion formed by the right inner plate 24 and the back inner plate 26 will be described. In the description of the fixture 512, the description of the parts common to the fixture 511 is omitted.
  • the fixture 511 will be described with reference to FIGS. 1 and 9 to 21.
  • the fixture 511 has a column shape that is long in the vertical direction as a whole, and has a horizontal section, that is, a cross section in the lateral direction, formed in a right triangle shape.
  • the fixture 511 extends in the vertical direction along a corner portion formed by the left inner plate 25 and the back inner plate 26.
  • the fixture 511 includes a fixed cover 54, a reinforcing member 55, and a corner heat insulating member 56.
  • the fixing tool 511 is formed in a cylindrical shape having a right-angled triangular cross section by the fixing cover 54 and the reinforcing member 55.
  • the corner heat insulating member 56 is disposed inside a cylindrical shape formed by the fixed cover 54 and the reinforcing member 55.
  • the fixed cover 54 is formed in a substantially rectangular plate shape that is long in the vertical direction by a resin member.
  • the fixed cover 54 forms an inclined surface among the three surfaces forming the right triangle cross section of the fixture 511.
  • the fixed cover 54 has a plurality of through holes 58 and openings 59 and 60.
  • the through holes 58 are provided at both ends in the width direction orthogonal to the longitudinal direction of the fixed cover 54.
  • the through holes 58 at both ends are formed through the fixed cover 54 toward the left heat insulating wall 314 or the back heat insulating wall 315, respectively.
  • the through hole 58 is arranged so as to be as far away as possible from the through hole 58 at the other end. That is, the through hole 58 is arranged so as to be shifted from the through hole 58 positioned at the other end so that the vertical direction is alternate. In this case, as shown in FIG. 13, for example, the through holes 58 are arranged in a so-called zigzag shape along the longitudinal direction of the fixed cover 54.
  • a screw 57 is passed through the through hole 58.
  • the insertion direction of the screw 57 with respect to the through hole 58 on the left heat insulating wall 314 side is orthogonal to the inner side surface of the left heat insulating wall 314, that is, the surface of the left inner plate 25, as shown in FIG.
  • the insertion direction of the screw 27 with respect to the through hole 58 on the back heat insulating wall 315 side is orthogonal to the inner side surface of the back heat insulating wall 315, that is, the surface of the back inner plate 26, as shown in FIG.
  • the opening 59 is provided in the longitudinal direction of the fixed cover 54, that is, closer to the upper part in the vertical direction.
  • the opening 60 is provided closer to the lower portion of the fixed cover 54 in the vertical direction.
  • the openings 59 and 60 communicate with the cylindrical inner side of the fixture 511.
  • the reinforcing member 55 is made of a resin member. As shown in FIG. 14, the reinforcing member 55 has a so-called L-shaped cross section in which the longitudinal sides of two rectangular plates that are long in the vertical direction are abutted at right angles to each other. The reinforcing member 55 constitutes two surfaces other than the slope among the three surfaces constituting the right triangle cross section of the fixture 511. The reinforcing member 55 reinforces the fixed cover 54 and improves the strength of the fixture 511.
  • the reinforcing member 55 has a length in the longitudinal direction substantially the same as a length in the longitudinal direction of the fixed cover 54.
  • the reinforcing member 55 is arranged such that one surface faces the left inner plate 25, that is, the left heat insulating wall 314, and the other surface faces the back inner plate 26, that is, the back heat insulating wall 315.
  • the reinforcement member 55 is arrange
  • the first heat insulating member 15 is not provided at the corner portion where the adjacent heat insulating walls 31 are abutted, the heat insulating performance is lower than the other portions of the heat insulating wall 31.
  • the fixture 511 is disposed in a portion where the heat insulating performance of the heat insulating wall 31 is low.
  • the reinforcing member 55 has a plurality of screw holes 61 and a plurality of through holes 62 as shown in FIGS. 14, 16 and 17.
  • the screw hole 61 and the through hole 62 are provided at both ends in the width direction orthogonal to the longitudinal direction of the reinforcing member 55.
  • the screw hole 61 and the through hole 62 correspond to the through hole 58 of the fixed cover 54 and are arranged in a so-called zigzag shape along the longitudinal direction of the reinforcing member 55.
  • the screw hole 61 is configured to have a female screw inside the cylinder that protrudes toward the fixed cover 54 in the reinforcing member 55.
  • the axial direction of the screw hole 61 coincides with the axial direction of the through hole 58 of the fixed cover 54 in a form in which the fixed cover 54 is attached to the reinforcing member 55.
  • a screw 57 is provided in the screw hole 61.
  • the through-hole 62 is formed by penetrating the bulging portion 63 provided in the reinforcing member 55 toward the left inner plate 25 or the back inner plate 26 side.
  • the bulging portion 63 is formed such that both end portions in the short direction of the reinforcing member 55 bulge toward the fixed cover 54 side.
  • the bulging portion 63 is also arranged in a so-called zigzag shape along the longitudinal direction of the reinforcing member 55.
  • a screw 57 is passed through the through hole 62.
  • the corner heat insulating member 56 is disposed so as to cover the abutting portion of the adjacent heat insulating walls 31.
  • the corner heat insulating member 56 is formed of a heat insulating member such as polystyrene foam formed in a substantially triangular prism that is long in the vertical direction.
  • the corner heat insulating member 56 includes a plurality of notches 64, two openings 65 and 66, and a housing 67.
  • the notch 64 is formed by cutting out both ends in the width direction orthogonal to the longitudinal direction of the corner heat insulating member 56 into a rectangle.
  • the notch portion 64 is a so-called zigzag along the longitudinal direction of the corner heat insulating member 56 so as not to interfere with the through hole 58 of the fixed cover 54, the screw hole 61 of the reinforcing member 55, and the screw 57 provided in the through hole 62. Arranged in a shape.
  • the openings 65 and 66 are formed by cutting out both ends in the width direction perpendicular to the longitudinal direction of the corner heat insulating member 56 into a rectangle.
  • the opening 65 corresponds to the opening 59 of the fixed cover 54
  • the opening 66 corresponds to the opening 60 of the fixed cover 54.
  • the accommodating portion 67 is formed in a groove shape extending in the longitudinal direction in a right-angle portion in a cross section orthogonal to the longitudinal direction of the corner heat insulating member 56, that is, in a portion close to the corner of the corner portion of the inner box 14.
  • the electric wire 52 is accommodated inside the accommodating portion 67. That is, the fixture 511 accommodates the electric wire 52 in a cylindrical shape.
  • the electric wire 52 is held so as not to be displaced from a predetermined position by the inner surface of the housing portion 67 serving as a holding portion.
  • the electric wire 52 is also held by a hook or the like (not shown). In this case, a portion of the electric wire 52 that is provided inside the cylindrical shape of the fixture 511 is not visible from the opening side of the refrigerator 11.
  • the fixture 511 is configured by connecting a part that is divided in two at the height position of the second partition member 38 in the longitudinal direction, that is, the vertical direction, in this case, an upper fixture 511 and a lower fixture 511 are connected. ing. Therefore, as shown in FIGS. 1, 12, 13, and 14, the fixed cover 54 has two parts divided in the longitudinal direction of the fixed cover 54, in this case, the upper fixed cover 541 and the lower fixed cover 542. It is composed of With this configuration, the fixed cover 54 can be easily handled, and deformation such as twisting is less likely to occur. In this case, the opening 59 is provided in the upper fixed cover 541, and the opening 60 is provided in the lower fixed cover 542.
  • the reinforcing member 55 includes two parts divided in the longitudinal direction of the reinforcing member 55, in this case, an upper reinforcing member 551 and a lower reinforcing member 552.
  • the corner heat insulating member 56 is also composed of two parts divided in the longitudinal direction of the corner heat insulating member 56, in this case, an upper corner heat insulating member 561 and a lower corner heat insulating member 562.
  • the opening 65 is provided in the upper corner heat insulating member 561, and the opening 66 is provided in the lower corner heat insulating member 562.
  • the upper fixing cover 541, the upper reinforcing member 551, and the upper corner heat insulating member 561 constitute an upper fixing member 511.
  • the lower fixing cover 542, the lower reinforcing member 552, and the lower corner heat insulating member 562 constitute a lower fixing tool 511.
  • the upper fixture 511 is arranged on the refrigerator compartment 39 and vegetable compartment 40 side
  • the lower fixture 512 is arranged on the ice making chamber 41 and first freezer compartment 42 side. ing.
  • Two screw holes 48 are provided at the lower end of the upper reinforcing member 551. Then, two through holes 49 are provided at positions corresponding to the screw holes 48 at the upper end of the lower reinforcing member 552. The upper reinforcing member 551 and the lower reinforcing member 552 are fixed by screwing the screw 50 passed through the through hole 49 into the screw hole 48.
  • the fixture 511 as a whole is configured to be split into two in the direction extending along the corner portion, that is, in the longitudinal direction.
  • the lower end portion of the upper corner heat insulating member 561 is in contact with the upper end portion of the lower corner heat insulating member 562.
  • the lower end portion of the upper fixed cover 541 is separated from the upper end portion of the lower fixed cover 542.
  • the electric wire 52 extends from the machine room 21 through the upper separating portion 211 to the refrigerator compartment 39 side, and enters the accommodating portion 67 of the corner heat insulating member 56 from the upper end portion of the fixture 511.
  • the electric wire 52 branches in two directions within the housing portion 67.
  • One of the electric wires 52 passes through the opening 65 of the upper corner heat insulating member 561 and extends from the opening 59 of the upper fixing cover 541 to the refrigerator compartment 39 side.
  • the other of the electric wires 52 passes through the opening 66 of the lower corner heat insulating member 562 and extends from the opening 60 of the lower fixing cover 542 to the first freezer compartment 42 side.
  • the openings 59 and 60 are for guiding a part of the electric wire 52 accommodated in the fixture 511 to the storage chamber side.
  • a part of the electric wire 52 may be guided from the lower end surface of the fixture 511 to the component housing chamber 212 through the lower spacing portion 213.
  • the electric wire 52 has the connection part 68 in each edge part, as shown in FIG.13 and FIG.14. These connection portions 68 are made of resin and are configured in a plug shape.
  • the connecting portion 68 is connected to an electric wire (not shown) outside the fixture 511, and is connected to an electrical component such as a control device or a blower fan via the electric wire.
  • the first seal member 71 is a sheet-like member that extends long along the longitudinal direction of the fixed cover 54 and the reinforcing member 55, and is made of, for example, a soft tape.
  • the first seal member 71 seals between the fixed cover 54 and the reinforcing member 55. That is, the first seal member 71 increases the airtightness between the fixed cover 54 and the reinforcing member 55.
  • a second seal member 72 is provided between the reinforcing member 55 and the left heat insulating wall 314 and between the reinforcing member 55 and the back heat insulating wall 315.
  • the second seal member 72 is a sheet-like member extending long along the longitudinal direction of the fixed cover 54 and the reinforcing member 55, and is made of, for example, a soft tape.
  • the second seal member 72 seals between the reinforcing member 55 and the left heat insulating wall 314 and between the reinforcing member 55 and the back heat insulating wall 315. That is, the second seal member 72 enhances the airtightness between the reinforcing member 55 and the left inner plate 25 and between the reinforcing member 55 and the back inner plate 26.
  • a third seal member 73 is provided at an end of the heat insulating wall 31, for example, a portion where the left heat insulating wall 314 and the back heat insulating wall 315 are abutted.
  • the third seal member 73 is a quadrangular columnar member extending in parallel with the longitudinal direction of the fixed cover 54 and the reinforcing member 55, and is made of, for example, a soft tape.
  • the third seal member 73 assists heat insulation in the space formed at the abutting portion between the left heat insulating wall 314 and the back heat insulating wall 315 and suppresses the entry of air containing moisture into the space. 20 and 21, the illustration of the third seal member is omitted.
  • the fixture 511 is configured such that the fixing cover 54 and the reinforcing member 55 sandwich the corner heat insulating member 56.
  • the corner heat insulating member 56 accommodates the electric wire 52 in the accommodating portion 67.
  • a screw 57 is passed through the through hole 58 in a state where the end in the width direction is aligned with the end in the width direction of the reinforcing member 55.
  • the screw 57 passed through the through hole 58 is screwed into the screw hole 61 of the reinforcing member 55.
  • the fixed cover 54 is fixed to the reinforcing member 55.
  • the fixing cover 54 is fixed to the reinforcing member 55, whereby the corner heat insulating member 56 and the electric wire 52 are also fixed inside the fixture 511.
  • the fixed cover 54, the reinforcing member 55, the corner heat insulating member 56, and the electric wire 52 are integrated.
  • the left rear end portion of the second partition member 38 enters between the upper fixed cover 541 and the lower fixed cover 542 and comes into contact with a connection portion between the upper corner heat insulating member 561 and the lower corner heat insulating member 562. Yes.
  • the divided portion of the fixture 511 is covered with the left rear end portion of the second partition member 38.
  • the left heat insulating wall 314 and the back heat insulating wall 315 are opposed to the reinforcing member 55 with the second seal member 72 interposed therebetween. Accordingly, the adjacent left heat insulating wall 314 and the back heat insulating wall 315 are connected and fixed by the fixture 511, and the angle formed by the left heat insulating wall 314 and the back heat insulating wall 315 is a right angle of the reinforcing member 55. It is held at 90 ° corresponding to the part. That is, the reinforcing member 55 functions as an angle holding portion that holds the angle between the adjacent left heat insulating wall 314 and the back heat insulating wall 315 at 90 °.
  • the fixture 512 has a column shape that is long in the vertical direction as a whole, and has a horizontal section, that is, a cross section in the short direction, formed into a right triangle. As shown in FIG. 23, the fixture 512 extends in the vertical direction along a corner portion formed by the right inner plate 24 and the back inner plate 26.
  • the fixing tool 512 includes a fixing cover 81, a reinforcing member 82, and a corner heat insulating member 83, as shown in FIGS.
  • the fixing member 512 is formed in a cylindrical shape having a right-angled triangular cross section by the fixing cover 81 and the reinforcing member 82.
  • the corner heat insulating member 83 is disposed inside the cylindrical shape formed by the fixed cover 81 and the reinforcing member 82.
  • the fixed cover 81 is configured in substantially the same manner as the fixed cover 54. Specifically, the fixed cover 81 is formed in a substantially rectangular plate shape that is long in the vertical direction by a resin member. The fixed cover 81 forms an inclined surface among the three surfaces forming the right triangle cross section of the fixture 512. As shown in FIG. 27, the fixed cover 81 has a plurality of through holes 84.
  • the through hole 84 is configured similarly to the through hole 58 of the fixed cover 54. That is, the through holes 84 are provided at both ends in the width direction orthogonal to the longitudinal direction of the fixed cover 81.
  • the through holes 84 at both ends are formed through the fixed cover 81 toward the right heat insulating wall 313 or the back heat insulating wall 315 side.
  • the through-hole 84 is arranged so as to be shifted from the through-hole 84 positioned at the other end so that the vertical direction is staggered.
  • the through holes 84 are arranged in a so-called zigzag shape along the longitudinal direction of the fixed cover 81 as shown in FIG. 27, for example.
  • a screw 57 is passed through the through hole 84.
  • the insertion direction of the screw 27 with respect to the through hole 84 on the back heat insulating wall 315 side is orthogonal to the inner side surface of the back heat insulating wall 315, that is, the surface of the back inner plate 26, as shown in FIG.
  • the insertion direction of the screw 27 with respect to the through hole 84 on the right heat insulating wall 313 side is orthogonal to the inner side surface of the right heat insulating wall 313, that is, the surface of the right inner plate 24, as shown in FIG.
  • the fixed cover 81 has the 1st protrusion part 85, the opening part 86, the 2nd protrusion part 87, and the opening part 88, as shown to FIG.
  • the first projecting portion 85 is located near the upper portion in the longitudinal direction of the fixed cover 81 and projects outward. That is, the first protrusion 85 extends in the horizontal direction from the surface of the fixed cover 81 along the back inner plate 26.
  • the 1st protrusion part 85 is formed in the rectangular container shape which the back part inner board 26 side opened.
  • the opening 86 is provided at the tip of the first protrusion 85 and communicates the inside and the outside of the first protrusion 85.
  • the second protrusion 87 is provided near the lower part of the fixed cover 81 in the longitudinal direction. Similarly to the first protrusion 85, the second protrusion 87 protrudes outward. That is, the second projecting portion 87 extends in the horizontal direction along the back inner plate 26 from the surface of the fixed cover 81.
  • the 2nd protrusion part 87 is also formed in the rectangular container shape which the back part inner board 26 side opened.
  • the opening 88 is provided at the tip of the second protrusion 87 and communicates the inside and the outside of the second protrusion 87.
  • the reinforcing member 82 is configured in substantially the same manner as the reinforcing member 55. That is, the reinforcing member 82 is configured by a resin member.
  • the main part of the reinforcing member 82 is formed in a so-called L-shaped cross section in which the longitudinal sides of two rectangular plates that are long in the vertical direction are abutted at right angles to each other.
  • the reinforcing member 82 constitutes two surfaces other than the slope among the surfaces constituting the cross section of the right triangle of the fixture 512.
  • the reinforcing member 82 reinforces the fixed cover 81 and improves the strength of the fixture 512.
  • the reinforcing member 55 has a length in the longitudinal direction substantially the same as a length in the longitudinal direction of the fixed cover 54.
  • the reinforcing member 82 has a first reinforcing protrusion 91 and a second reinforcing protrusion 92.
  • the first reinforcing protrusion 91 and the second reinforcing protrusion 92 are each plate-shaped and are provided at positions corresponding to the first protrusion 85 and the second protrusion 87 of the fixed cover 81.
  • the first reinforcing protrusion 91 and the second reinforcing protrusion 92 are formed integrally with the main portion of the reinforcing member 82.
  • the 1st protrusion part 85 and the 1st reinforcement protrusion part 91, and the 2nd protrusion part 87 and the 2nd reinforcement protrusion part 92 each form the cylinder shape.
  • the reinforcing member 82 is disposed such that one surface faces the right inner plate 24, that is, the right heat insulating wall 313, and the other surface faces the back inner plate 26, that is, the back heat insulating wall 315. Accordingly, the reinforcing member 82 is disposed between the end portions of the adjacent heat insulating walls 31, in this case, straddling the end portion of the right heat insulating wall 313 and the end portion of the back side heat insulating wall 315.
  • the first heat insulating member 15 is not provided at the corner portion where the adjacent heat insulating walls 31 are abutted, the heat insulating performance is lower than the other portions of the heat insulating wall 31.
  • the fixture 512 is disposed in a portion where the heat insulating performance of the heat insulating wall 31 is low.
  • the reinforcing member 82 has a plurality of screw holes 89 and a plurality of through holes 90 as shown in FIG.
  • the screw hole 89 and the through hole 90 are configured similarly to the screw hole 61 and the through hole 62 of the reinforcing member 55. That is, the screw hole 89 and the through hole 90 are provided at both ends in the width direction orthogonal to the longitudinal direction of the reinforcing member 82.
  • the screw hole 89 and the through hole 90 correspond to the through hole 84 of the fixed cover 81 and are arranged in a so-called zigzag shape along the longitudinal direction of the reinforcing member 82.
  • the screw hole 89 is configured to have a female screw inside the cylinder that protrudes toward the fixed cover 81 in the reinforcing member 82.
  • the axial direction of the screw hole 89 coincides with the axial direction of the through hole 84 of the fixed cover 81 in the form in which the fixed cover 81 is attached to the reinforcing member 82.
  • a screw 57 is provided in the screw hole 89.
  • the through hole 90 is formed by penetrating the bulging portion 77 provided in the reinforcing member 82 toward the right inner plate 24 or the back inner plate 26 side.
  • the bulging portion 77 is formed such that both ends of the reinforcing member 82 in the short direction bulge toward the fixed cover 81.
  • the bulging portion 77 is also arranged in a so-called zigzag shape along the longitudinal direction of the reinforcing member 82.
  • a screw 57 is passed through the through hole 90.
  • the heat insulating member for corner 83 is configured in substantially the same manner as the heat insulating member for corner 56. That is, the corner heat insulating member 83 is also arranged so as to cover the abutting portion of the adjacent heat insulating walls 31. As shown in FIG. 27, the corner heat insulating member 83 is formed of a heat insulating member such as a polystyrene foam formed in a substantially triangular prism that is long in the vertical direction.
  • the corner heat insulating member 83 includes a plurality of notches 93, a first heat insulating protrusion 94, an opening 95, a second heat insulating protrusion 96, an opening 97, and a housing part 98.
  • the notch 93 is formed by cutting out both ends in the width direction orthogonal to the longitudinal direction of the corner heat insulating member 83 into a rectangle.
  • the notch 93 is a so-called zigzag along the longitudinal direction of the corner heat insulating member 83 so as not to interfere with the through hole 84 of the fixed cover 81, the screw hole 89 of the reinforcing member 82, and the screw 57 provided in the through hole 90. Arranged in a shape.
  • the accommodating part 98 is comprised similarly to the accommodating part 67 of the heat insulation member 56 for corners. That is, the accommodating portion 98 is formed in a groove shape extending in the longitudinal direction in a right-angle portion in a cross section orthogonal to the longitudinal direction of the corner heat insulating member 83, that is, in a portion close to the corner of the corner portion of the inner box 14. Yes.
  • the first heat-insulating protrusion 94 is located near the top of the corner heat-insulating member 83, that is, at a position corresponding to the first protrusion 85, and protrudes outward. That is, the first heat insulating protrusion 94 extends in the horizontal direction along the back inner plate 26 from the main portion of the corner heat insulating member 83.
  • the first heat-insulating protrusion 94 is formed in a quadrangular prism shape.
  • the opening 95 is provided at the distal end portion of the first heat-insulating protrusion 94 and communicates with the inside of the accommodating portion 98.
  • the first heat-insulating protrusion 94 is accommodated inside a cylindrical shape composed of the first protrusion 85 and the first reinforcing protrusion 91.
  • the second heat insulating protrusion 96 is located near the lower portion of the corner heat insulating member 83, that is, at a position corresponding to the second protrusion 87, and protrudes outward. That is, the second heat insulating protrusion 96 extends in the horizontal direction along the back inner plate 26 from the main portion of the corner heat insulating member 83.
  • the second heat insulating projection 96 is also formed in a quadrangular prism shape.
  • the opening 97 is provided at the tip of the second heat insulating projection 96 and communicates with the inside of the housing 98.
  • the second heat-insulating protrusion 96 is accommodated inside a cylindrical shape constituted by the second protrusion 87 and the second reinforcing protrusion 92.
  • the piping 53 is accommodated inside the accommodating portion 98.
  • the fixture 512 accommodates the pipe 53 inside a cylindrical shape.
  • the piping 53 is held so as not to be displaced from a predetermined position by the inner side surface of the accommodating portion 98 serving as a holding portion.
  • the pipe 53 is also held by a hook or the like (not shown). In this case, a portion of the pipe 53 provided on the cylindrical inner side of the fixture 512 is not visible from the opening side of the refrigerator 11.
  • a plurality of pipes 53 are accommodated depending on the part of the corner portion.
  • the fixture 512 is configured by connecting a part divided into two at the height position of the second partition member 38 in the longitudinal direction, that is, the vertical direction, in this case, an upper fixture 512 and a lower fixture 512 are connected.
  • the fixed cover 81 includes two parts divided in the longitudinal direction of the fixed cover 81, in this case, an upper fixed cover 811 and a lower fixed cover 812. With this configuration, the fixed cover 81 can be easily handled, and deformation such as twisting is less likely to occur.
  • the first protrusion 85 and the opening 86 are provided in the upper fixed cover 811
  • the second protrusion 87 and the opening 88 are provided in the lower fixed cover 812.
  • the reinforcing member 82 includes two parts divided in the longitudinal direction of the reinforcing member 82, in this case, an upper reinforcing member 821 and a lower reinforcing member 822.
  • the corner heat insulating member 83 is also composed of two parts divided in the longitudinal direction of the corner heat insulating member 83, in this case, an upper corner heat insulating member 831 and a lower corner heat insulating member 832.
  • the first heat insulating protrusion 94 and the opening 95 are provided in the upper corner heat insulating member 831, and the second heat insulating protrusion 96 and the opening 97 are provided in the lower corner heat insulating member 832.
  • the upper fixing cover 811, the upper reinforcing member 821, and the upper corner heat insulating member 931 constitute an upper fixture 512.
  • the lower fixing cover 812, the lower reinforcing member 822, and the lower corner heat insulating member 932 constitute a lower fixing tool 512.
  • the upper fixture 512 is disposed on the refrigerator compartment 39 and vegetable compartment 40 side, and the lower fixture 512 is on the second freezer compartment 43 and first freezer compartment 42 side. Has been placed.
  • Two screw holes 74 are provided at the lower end of the upper reinforcing member 821. Then, at the upper end portion of the lower reinforcing member 822, two through holes 75 are provided at positions corresponding to the screw holes 74. The upper reinforcing member 821 and the lower reinforcing member 822 are fixed by screwing the screw 76 passed through the through hole 75 into the screw hole 74.
  • the fixture 512 is configured to be divided into two parts in the direction extending along the corner portion, that is, the longitudinal direction, as a whole.
  • the lower end portion of the upper corner heat insulating member 831 is in contact with the upper end portion of the lower corner heat insulating member 832.
  • the lower end portion of the upper fixed cover 811 is separated from the upper end portion of the lower fixed cover 812.
  • the pipe 53 is composed of two bent pipes.
  • the two pipes 53 each have a bypass 531 as shown in FIGS. 5 and 25 to 27.
  • the bypass 531 is near the upper part of the pipe 53 and is formed by being bent a plurality of times in the horizontal direction.
  • the piping 53 can secure a long distance by the bypass 531, and thus heat exchange of the refrigerant passing through the piping 53 can be improved.
  • Each pipe 53 has one end connected to a compressor provided in the machine room 21 and the other end connected to a cooler. Specifically, each pipe 53 extends from the machine room 21 side to the refrigerating room 39 side through the communication hole 211a of the upper separation portion 211. In this case, the communication hole 211 a is preferably formed on the upper surface of the fixture 512. Thereafter, each pipe 53 enters the accommodating portion 98 of the heat insulating member 83 for the corner from the upper end portion of the fixture 512 via the bypass 531. In this case, as shown in FIG. 5, the bypass 531 is accommodated in the second heat insulating member 151 of the separation portion 211.
  • One of the two pipes 53 passes through the inside of the first heat insulating protrusion 94 provided in the upper corner heat insulating member 831 and passes from the opening 95 and the opening 86 to the refrigerator compartment 39 side. It extends.
  • the pipes 53 coming out of the openings 95 and 86 are connected to a refrigerator for refrigeration, although details are not shown.
  • the other pipe 53 passes through the inside of the second heat insulating protrusion 96 provided in the lower corner heat insulating member 832 and extends from the opening 97 and the opening 88 to the first freezer compartment 42 side.
  • the pipes 53 exiting from the openings 97 and 88 are connected to a refrigeration cooler.
  • the openings 86 and 88 are for guiding a part of the pipe 53 accommodated in the fixture 512 to the storage chamber side.
  • a part of the pipe 53 may be guided from the lower end surface of the fixture 512 to the component housing chamber 212 through a communication hole (not shown) of the lower separation portion 213.
  • Each pipe 53 has welded portions 99 at both ends as shown in FIGS.
  • the welded portion 99 is formed so that the diameter of the pipe 53 is larger than that of other pipes, so that it can be welded to the welded parts of the other pipes.
  • Each piping 53 is welded and connected to other piping outside the fixture 512.
  • the other piping refers to piping connected to, for example, a refrigeration evaporator, a refrigeration evaporator, and a compressor.
  • a first seal member 101 is provided between the fixed cover 81 and the reinforcing member 82, specifically, between the widthwise end of the fixed cover 81 and the widthwise end of the reinforcing member 82, as shown in FIGS.
  • the first seal member 101 is configured in the same manner as the first seal member 71 provided on the fixture 511.
  • a second seal member 102 is provided between the reinforcing member 82 and the right heat insulating wall 313 and between the reinforcing member 82 and the back heat insulating wall 315.
  • the second seal member 102 is configured in the same manner as the second seal member 72 provided on the fixture 511 side.
  • a third seal member 103 is provided at a portion where the right heat insulating wall 313 and the back heat insulating wall 315 are abutted.
  • the third seal member 103 is configured in the same manner as the third seal member 73 provided at the abutting portion between the right heat insulating wall 313 and the back heat insulating wall 315.
  • the fixture 512 is configured such that the fixing cover 81 and the reinforcing member 82 sandwich the corner heat insulating member 83.
  • the corner heat insulating member 83 accommodates the pipe 53 in the accommodating portion 98.
  • the screw 57 is passed through the through hole 84 in a state where the end in the width direction is aligned with the end in the width direction of the reinforcing member 82.
  • the screw 57 passed through the through hole 84 is screwed into the screw hole 61 of the reinforcing member 82.
  • the fixed cover 81 is fixed to the reinforcing member 82.
  • the fixing cover 81 is fixed to the reinforcing member 82, whereby the corner heat insulating member 83 and the pipe 53 are also fixed inside the fixture 51.
  • the fixed cover 81, the reinforcing member 82, the corner heat insulating member 83, and the pipe 53 are integrated.
  • the right rear end portion of the second partition member 38 enters between the upper fixed cover 811 and the lower fixed cover 812 and comes into contact with the connection portion between the upper corner heat insulating member 831 and the lower corner heat insulating member 832. Yes.
  • the divided portion of the fixture 512 is covered with the right rear end portion of the second partition member 38.
  • the right heat insulating wall 313 and the back heat insulating wall 315 are opposed to the reinforcing member 82 with the second seal member 102 interposed therebetween.
  • the adjacent right heat insulating wall 313 and the back heat insulating wall 315 are connected and fixed by the fixture 512, and the angle formed by the right heat insulating wall 313 and the back heat insulating wall 315 is a right angle of the reinforcing member 82. It is held at 90 ° corresponding to the part. That is, the reinforcing member 82 functions as an angle holding portion that holds the angle between the adjacent right heat insulating wall 313 and the back heat insulating wall 315 at 90 °.
  • the pipe 53 may pass between the right end edge of the second partition member 38 and the right inner plate 24 as shown in FIG.
  • a heat insulating member 105 for the partition portion is provided between the surface partition portion 45 of the second partition member 38 and the right inner plate 24 of the inner box 14 inside the inner box 14.
  • the partition heat insulating member 105 is made of, for example, expanded polystyrene and functions as a heat insulating member.
  • the partition heat insulating member 105 is formed in a rectangular column shape that is long in the front-rear direction along the right edge of the second partition member 38.
  • the partition heat insulating member 105 has a recess 106.
  • the concave portion 106 is formed in a concave shape in which the right inner plate 24 side of the partition heat insulating member 105 is opened.
  • a part of the pipe 53 is provided inside the recessed portion 106 of the partition heat insulating member 105.
  • the piping 53 may be arranged as follows.
  • the two pipes 53 respectively enter the accommodating portion 98 of the upper corner heat insulating member 831 from the upper end portion of the fixture 512 and extend downward. Thereafter, the pipes 53 exit from the connecting portions of the upper corner heat insulating member 831 and the lower corner heat insulating member 832 to the outside front of the housing portion 98, respectively.
  • the pipes 53 respectively pass through the inside of the recess 106 of the partition heat insulating member 105 and extend forward along the right end edge of the second partition member 38. Thereafter, the pipes 53 are folded back to the rear side at the front end portion of the second partition member 38 and extend rearward along the right end edge portion of the second partition member 38 again inside the recess 106.
  • the pipes 53 enter the insides of the accommodating portions 98 of the lower corner heat insulating member 832 from the connection portions of the upper corner heat insulating member 831 and the lower corner heat insulating member 832, respectively. Thereafter, the pipe 53 exits from the openings 86 and 88 and is connected to the refrigeration cooler and the refrigeration cooler, respectively.
  • a configuration similar to that of the partition heat insulating member 105 is also provided between the surface partition portion 45 of the second partition member 38 and the left inner plate 25 of the inner box 14.
  • a member may be provided, and the electric wire 52 may be disposed along the left edge portion of the second partition member 38 in the same manner as the pipe 53 described above.
  • the heat insulating wall 31 and the fixture 51 shown in FIG. 1 are respectively manufactured.
  • a fixing tool 511 is attached to one of the two adjacent heat insulating walls 31, for example, the left heat insulating wall 314 with a screw 57.
  • the back heat insulating wall 315 is attached to the left heat insulating wall 314 and the fixture 511 integrated.
  • the adjacent heat insulation wall 31, in this case, the left heat insulation wall 314 and the back heat insulation wall 315 are connected and fixed, and a corner portion on the right back side of the inner box 14 is formed.
  • the angle of the adjacent walls formed by the left heat insulating wall 314 and the back heat insulating wall 315 is maintained at 90 ° corresponding to the right angle portion of the reinforcing member 55.
  • the other corner portion of the inner box 14 is also formed by connecting and fixing the heat insulating wall 31 and the fixture 51. Thereby, the inner box 14 whose angle of the adjacent heat insulation wall 31 is 90 degrees is formed, and the rectangular parallelepiped heat insulation box 12 is formed.
  • the fixture 51 regulates the angle of the adjacent heat insulating walls 31 to a predetermined value, for example, 90 °.
  • a predetermined value for example, 90 °.
  • the angle of the adjacent heat insulating wall 31 is set to 90 °, but in this case, the angle of the adjacent heat insulating wall 31 is adjusted to approximately 90 °, and each corner portion of the heat insulating box 12 becomes approximately 90 °. It only has to be. That is, the angle defined by the fixture 51 does not need to be exact and is allowed within a range of general errors that occur in the manufacturing process.
  • the first partition member 37 and the second partition member 38 are attached to the heat insulation box 12 assembled in this way at predetermined positions. Thereby, the refrigerator compartment 39, the vegetable compartment 40, the ice making room 41, the 1st freezer compartment 42, and the 2nd freezer compartment 43 are formed inside the heat insulation box 12.
  • FIG. The front end portions of the right heat insulating wall 313 and the left heat insulating wall 314 are connected and fixed by the first partition member 37 and the second partition member 38.
  • the electric wires 52 and the pipes 53 are provided in the accommodation space of the heat insulating box 12. That is, the electric wire 52 and the pipe 53 are not provided inside the heat insulating wall 31. Therefore, it is not necessary to consider securing a space for accommodating the electric wire 52 and the pipe 53 inside the heat insulating wall 31.
  • the heat insulation wall 31 can make the thickness of the 1st heat insulation member 15 excellent in heat insulation performance rather than the 2nd heat insulation member 151 as much as possible.
  • the refrigerator is excellent in heat insulation performance and can secure a sufficient space in the cabinet.
  • the electric wire 52 and the pipe 53 are provided at the rear part of the inner box 14, in this case, the corner part on the rear rear side of the heat insulating box 12. For this reason, the electric wire 52 and the piping 53 do not easily become a hindrance when food is stored in the cabinet.
  • An upper separating portion 211 connected to the machine room 21 is provided immediately above the fixture 51. Further, a lower separating portion 213 connected to the component housing chamber 212 is provided immediately below the fixture 51. For this reason, the electric wire 52 and the pipe 53 that pass through the fixture 51 can be easily guided to the machine room 21 and the component storage room 212 through the upper and lower separation parts 211 and 213. Thereby, the electric wire 52 and the piping 53 can be easily connected to other electric wires and piping in the machine room 21 and the component storage chamber 212.
  • a communication hole 211 a that passes through the second heat insulating member 151 of the separation portion 211 and communicates with the machine chamber 21 is provided above the fixture 51. Therefore, the electric wire 52 and the pipe 53 can be extended in the vertical direction. As a result, the arrangement of the electric wires 52 and the pipes 53 is facilitated.
  • the second heat insulating member 151 is configured to be filled. For this reason, the communication hole 211a can be formed easily. Further, the bypass circuit 531 of the pipe 53 can be easily covered with the second heat insulating member 151.
  • the electric wire 52 and the pipe 53 provided at the corner portion of the inner box 14 are covered with fixing covers 54 and 81 of the fixing tool 51. Therefore, it can prevent as much as possible that the foodstuff in a storage chamber contacts the electric wire 52 and the piping 53. FIG. Furthermore, since the electric wire 52 and the piping 53 are not visually recognized by the user, the design of the interior of the storage chamber can be improved.
  • the heat insulation box 12 of the refrigerator 11 is configured by combining and fixing two adjacent heat insulation walls 31 with a fixture 51 by combining a plurality of heat insulation walls 31. According to this, the assembly work of the refrigerator 11 becomes easier than the structure which provides a heat insulation member in advance in a three-dimensional inner box like the past.
  • the heat insulating member 15 is composed of a vacuum heat insulating panel. Therefore, the high heat insulation effect by a vacuum heat insulation panel is acquired, and the heat insulation wall 31 which comprises the heat insulation box 12 can be made thin, As a result, the in-compartment space can be made large.
  • the reinforcing members 55 and 82 of the fixture 51 function as an angle holding unit that holds the adjacent heat insulating walls 31 at 90 °.
  • the inner box 14 can be formed in a rectangular parallelepiped.
  • the heat insulation box 12 is the structure by which the corner
  • the fixing tool 51 is fixed at a position facing the two first heat insulating members 15 that are adjacent to each other and spaced apart from each other. For this reason, the first heat insulating member 15 can be fixed on the basis of the fixing tool 51. As a result, it is easy to keep the angle between adjacent heat insulating walls 31 at 90 °.
  • the right heat insulating wall 313 and the left heat insulating wall 314 are connected and fixed by a first partition member 37 and a second partition member 38 at a portion near the center in the vertical direction. Therefore, the front end portion of the right heat insulating wall 313 and the front end portion of the left heat insulating wall 314 are firmly fixed. Thereby, it can suppress that the front side opening part of the inner case 14 opens in the left-right direction. Furthermore, the twist of the inner box 14 can be suppressed, and the inner box 14 and the heat insulating box 12 can be maintained in a rectangular parallelepiped.
  • corner heat insulating members 56 and 83 are provided in the corner portion of the inner box 14. Thereby, the heat insulation effect in a corner part can be heightened. Moreover, since the heat insulating members 56 and 83 for corners are covered with the fixing tool 51, the design property inside a store room can be made favorable like the above.
  • the heat insulating members for corners 56 and 83 are arranged so as to cover the butted portions of the adjacent heat insulating walls 31. That is, the heat insulating performance is supplemented by the corner heat insulating members 56 and 83 at the abutting portions of the two heat insulating walls 31 where the heat insulating performance tends to be relatively low. Thereby, the heat insulation performance of the whole heat insulation box 12 is improved.
  • the fixture 51 is formed in a cylindrical shape, and the electric wire 52 or the pipe 53 and the heat insulating members for corners 56 and 83 are accommodated inside the cylindrical shape. Thereby, since the electric wire 52, the piping 53, and the heat insulation members 56 and 83 for corners are not visually recognized by a user, the design property inside a store room can be made still more favorable.
  • the fixture 51 has reinforcing members 55 and 82 having a L-shaped cross section. Thereby, the strength of the fixture 51 against deformation such as twisting and bending can be improved. Moreover, since the fixing tool 51 has a configuration in which the fixing covers 54 and 81 are provided on the reinforcing members 55 and 82 having an L-shaped cross section, it can be easily formed in a cylindrical shape.
  • the electric wires 52 and the pipes 53 are held by the accommodating portions 67 and 98 of the corner heat insulating members 56 and 83, the electric wires 52 and the pipes 53 can be prevented from being displaced from predetermined positions.
  • the fixing cover 54 of the fixing tool 511 has openings 59 and 60.
  • the electric wire 52 passed through the fixture 511 is guided to the storage chamber side through the openings 59 and 60. Thereby, the electric wire 52 can go out from the opening parts 59 and 60 to the storage chamber side, and can be connected with the electric wire which exists in the outer side of the fixing tool 511, ie, the storage chamber side.
  • the electric wire 52 has a connection portion 68 for connecting to another electric wire at an end portion that protrudes from the openings 59 and 60 of the fixture 511. Thereby, the electric wire 52 can be easily connected to another electric wire outside the fixture 511.
  • the fixing cover 81 of the fixing tool 512 has openings 86 and 88.
  • the pipe 53 passed through the fixture 512 is guided to the storage chamber side through the openings 86 and 88.
  • the piping 53 can come out from the opening parts 86 and 88 to the storage chamber side, and can be connected with the piping in the storage chamber side.
  • the pipe 53 has a welded portion 99 for welding with other pipes at an end portion that protrudes from the openings 86 and 88 of the fixture 512.
  • the piping 53 can be easily welded and connected to other piping outside the fixture 512.
  • the electric wire 52 is integrated with the fixture 511, and the pipe 53 is integrated with the fixture 512.
  • the electric wire 52 and the pipe 53 are also provided at a predetermined corner portion of the heat insulating wall 31. Thereby, the assembly work of the electric wire 52 and the piping 53 can be simplified.
  • the electric wire 52 is provided at a corner portion on the left back side of the inner box 14 and is covered with a fixture 511.
  • the pipe 53 is provided at a corner portion on the right back side of the inner box 14 and is covered with a fixture 512. Thereby, the electric wire 52 can reduce being cooled by the pipe 53.
  • the pipe 53 when a part of the pipe 53 is arranged along the right edge portion of the second partition member 38, the pipe 53 can be lengthened without enlarging the fixture 51. Thereby, when the piping 53 is a suction pipe, the length of the piping 53 can be secured and the efficiency of heat exchange can be improved while sufficiently securing the storage space of the storage chamber.
  • First seal members 71 and 101 are provided between the fixing covers 54 and 81 and the reinforcing members 55 and 82, respectively.
  • the first seal members 71 and 101 suppress the cold air from flowing into the fixtures 511 and 512. Thereby, it can suppress that dew condensation arises in the components inside the fixture 51, for example, the electric wire 52 grade
  • the 2nd seal members 72 and 102 are provided between the heat insulation wall 31 and the fixture 51.
  • the second seal members 72 and 102 seal between the reinforcing members 55 and 82 and the heat insulating wall 31, respectively. That is, the second seal members 72 and 102 enhance the airtightness between the reinforcing members 55 and 82 and the heat insulating wall 31, respectively. This suppresses air from entering and exiting the inside of the heat insulating box 12, that is, the storage chamber, through the abutting portions of the two adjacent heat insulating walls 31. Therefore, it is possible to reduce leakage of cool air in the storage chamber to the outside of the heat insulation box 12, and it is possible to reduce warm air outside the heat insulation box 12 from flowing into the storage chamber.
  • Third sealing members 73, 103 are disposed between butted portions of two adjacent heat insulating walls 31, for example, between the right heat insulating wall 313 and the back heat insulating wall 315 and between the left heat insulating wall 314 and the back heat insulating wall 315. Is provided. Thereby, the inside and the outside of the heat insulation box 12 can be sufficiently insulated, and as a result, the inside of the heat insulation box 12 can be efficiently cooled.
  • the fixing tool 51 is divided into two in this case in the direction extending along the corner portion. For this reason, handling of the fixture 51 becomes easy.
  • a second partition member 38 is disposed in the divided portion of the fixture 51. Thereby, it can suppress that the cold in a storage chamber enters the inside of the fixing tool 51 from the division part of the 2nd partition member 38.
  • the heat insulating wall 31 is configured by sandwiching the first heat insulating member 15 between the outer plates 16 to 20 and the inner plates 22 to 26.
  • the 1st heat insulation member 15 is comprised with the vacuum heat insulation panel which is excellent in the heat insulation performance thinly. For this reason, the heat insulation wall 31 can obtain a high heat insulation performance by the vacuum heat insulation panel and can reduce the thickness thereof. For this reason, if the external dimensions are the same compared with what used heat insulating materials, such as urethane, for example, the heat insulation box 12 can be made into a thing with a large internal volume.
  • the space 211 is filled with a second heat insulating member 151. For this reason, the strength of the heat insulating wall 31 can be increased.
  • the heat insulating box is not divided, for example, the inner box or the outer box is assembled in a box shape and then combined, so that the assembly is large and large.
  • the heat insulating box 12 is configured by combining a plurality of divided heat insulating walls 31, the assembly can be reduced in size.
  • the fixture 111 of the second embodiment does not have a reinforcing member.
  • the fixture 111 is a plate member having substantially the same shape as the fixed cover 54 of the first embodiment, and is formed so as to extend along the corner portion of the inner box 14.
  • two adjacent heat insulating walls 31, in this case, the left heat insulating wall 314 and the back heat insulating wall 315 are fixed to the fixture 111 by screws (not shown). That is, two adjacent heat insulating walls 31 are connected and fixed by the fixture 111.
  • the fixture 111 has two extending portions 112 and 113.
  • the extending portions 112 and 113 are provided at both ends of the fixing device 111 in the short direction, that is, in the width direction, respectively.
  • the extending portions 112 and 113 are formed to extend so as to face the adjacent inner plates 22 to 26, in this case, the left inner plate 25 of the left heat insulating wall 314 and the back inner plate 26 of the back heat insulating wall 315. Yes. That is, the extension part 112 extends toward the front side of the heat insulating box 12 along the left inner plate 25.
  • the extending portion 113 extends toward the right side of the heat insulating box 12 along the back inner plate 26.
  • a surface obtained by extending the surface on the left inner plate 25 side of the extending portion 112 toward the back heat insulating wall 315 side is a surface obtained by extending the surface on the back inner plate 26 side of the extending portion 113 toward the left heat insulating wall 314 side. Is orthogonal to. Therefore, when the adjacent left heat insulating wall 314 and the back heat insulating wall 315 are connected and fixed by the fixture 111, the angle of the adjacent wall formed by the left heat insulating wall 314 and the back heat insulating wall 315 is 90 °. It is prescribed. In this case, the extension parts 112 and 113 of the fixture 111 function as an angle holding part.
  • a fourth seal member 114 is provided between the extending portions 112 and 113 and the inner plates 25 and 26 adjacent to the inner box 14.
  • the fourth seal member 114 is configured in the same manner as the second seal members 72 and 112.
  • a triangular prism-shaped space formed by the corner portion of the inner box 14 and the fixture 111 in this case, the horizontal cross section formed by the left inner plate 25, the back inner plate 26, and the fixture 111 has a triangular shape.
  • a second corner heat insulating member 115 is provided in the shaped space. In this case, in the fixture 111, the second corner heat insulating member 115 is covered with the fixture 111.
  • the second corner heat insulating member 115 is formed of a heat insulating member such as polystyrene foam and is formed in a triangular prism shape.
  • the second corner heat insulating member 115 has an accommodating portion 116.
  • the accommodating part 116 is formed by recessing the second corner heat insulating member 115 in a concave shape from the left inner plate 25 side.
  • the accommodating portion 116 extends in the longitudinal direction of the second corner heat insulating member 115.
  • the electric wire 52 is provided inside the housing portion 116 and is held in the housing portion 116. In this case, the accommodating portion 116 functions as a holding portion that holds the electric wire 52.
  • the two adjacent heat insulation walls 31 can be connected and fixed also by using the fixing tool 111 of a structure which does not have a reinforcement member.
  • the fixture 111 has extending portions 112 and 113 whose extending surfaces are orthogonal to each other. For this reason, the angle of the adjacent inner plate of the inner box 14 is maintained at 90 °.
  • the inner box 14, ie, the heat insulation box 12 can be formed in a rectangular parallelepiped.
  • a fourth seal member 114 is provided between the extending portions 112 and 113 and the heat insulating wall 31. For this reason, it can suppress that the cool air in a storage chamber leaks outside the heat insulation box 12, and can suppress that the warm air outside the heat insulation box 12 flows into a storage chamber.
  • the electric wire 52 is accommodated in the accommodating portion 116 of the second corner heat insulating member 115. Therefore, it can prevent as much as possible that the electric wire 52 shifts
  • the heat insulating member 120 includes a first heat insulating member 121 and a second heat insulating member 122.
  • the first heat insulating member 121 is configured by a vacuum heat insulating panel.
  • the first heat insulating member 121 is disposed by being adhered to the outer surface side of the inner plates 22 to 26 of the inner box 14.
  • the second heat insulating member 122 is composed of a member having a higher thermal conductivity than the first heat insulating member 121, in other words, a member having a heat insulating performance lower than that of the first heat insulating member 121.
  • the second heat insulating member 122 is a foam heat insulating material such as soft tape or urethane.
  • the second heat insulating member 122 is between the outer box 13 and the inner box 14 and covers the periphery of the first heat insulating member 121.
  • the second heat insulating member 122 is disposed in a space other than the space where the first heat insulating member 121 is disposed in the space in which the heat insulating member 120 is accommodated. That is, the 2nd heat insulation member 122 is provided also in the location equivalent to the corner part of the heat insulation box 12, ie, the 3rd seal member 73 in 1st embodiment.
  • the first heat insulating member 121 occupies 50% or more, more preferably 80% or more, of the total volume of the space in which the heat insulating member 120 is accommodated.
  • the volume of the second heat insulating member 122 is set smaller than the volume of the first heat insulating member 121. Further, as shown in FIG. 35, when the thickness of the first insulating member 121 and T 1, the thickness of the second insulating member 122 and T 2, the outer diameter of the pipe 53 and T 3, T 1> T 3 > T 2 is set.
  • the plate thickness referred to here is the thickness in the cross-sectional direction of the outer box 13 and the inner box 14 in the horizontal cross section of the heat insulating wall 31.
  • the plate thickness of the second heat insulating member 122 indicates the distance between the first heat insulating member 121 and the inner side surface of the outer box 13 facing the first heat insulating member 121, for example, the right outer plate 18 in FIG. Moreover, in a foam heat insulating material, it is the thickness after solidification.
  • a refrigerator using both the heat insulating members 121 and 122 can be obtained. Also in this case, the electric wires 52 and the pipes 53 are provided at the back corners of the accommodation space of the heat insulating box 12. And the volume of the 1st heat insulation member 121 which is more excellent in the heat insulation effect than the 2nd heat insulation member 122 is enlarged. Thereby, high heat insulation performance can be obtained while making the wall of the heat insulation box 12 thin, and as a result, sufficient storage space can be secured.
  • the pipe 53 is accommodated in the rear part inside the storage chamber, in this case, the corner part on the right back side of the inner box 14.
  • the insulating box body 12 there is no need to reduce the plate thickness T 1 of the first heat insulating member 121, it is possible to obtain a good thermal insulation performance. Furthermore, the insulating box body 12, there is no need to increase the plate thickness T 2 of the second heat insulating member 122, it is possible to secure a sufficient housing space without increasing the thickness of the heat insulating wall 31.
  • the outer diameter T 3 of the pipe 53 is larger than the plate thickness T 2 of the second heat insulating member 122, the pipe 53 is inside the heat insulating wall 31, particularly the first heat insulating member 121. And the outer box 13 cannot be accommodated.
  • the thickness T 1 of the first insulating member 121 can be made larger than the thickness T 2 of the second heat insulating member 122, heat insulation box 12 The heat insulation performance can be improved.
  • the second heat insulating member 122 By using a foam heat insulating material, in this case urethane, as the second heat insulating member 122, between the first heat insulating members 121, between the first heat insulating member 121 and the outer box 13, and between the first heat insulating member 121 and the inner box 14. Can be filled between. Thereby, the heat insulation effect of the heat insulation box 12 whole can be made favorable.
  • the outer diameter of the pipe 53 as T 3 at the corner portion of the left rear side of the inner box 14, the outer diameter of the wire 52 i.e. a bundle of a plurality of electric wires may be T 3.
  • the electric wire 52 and the pipe 53 are provided at the corner portion of the inner box.
  • the present invention is not limited to this.
  • a part other than the electric wire 52 and the pipe 53 such as a hose may be provided and covered with the fixture 51. .
  • the fixture 51 is configured to be divided into a plurality of parts in the longitudinal direction.
  • the fixing tool 51 does not have to be divided into a plurality of parts in the longitudinal direction when it is provided at, for example, a corner portion having no partition member or a short corner portion.
  • the fixture 51 of the first embodiment may have the extending portions 112 and 113 of the fixture 111 of the second embodiment.
  • a fourth seal member 114 may be provided between the fixture 51 and the inner box 14 instead of the second seal member 72.
  • a part of the electric wire 52 and a part of the pipe 53 may be arranged in the left-right direction along the rear edge of the second partition member 38 between the second partition member 38 and the back inner plate 26. . Further, a part of the electric wire 52 and a part of the pipe 53 may be arranged so as to extend in the front-rear direction or the left-right direction along the edge of the first partition member 37.
  • the surface partition portion 45 can use a vacuum heat insulating panel, urethane, polystyrene foam or the like. Moreover, the surface partition part 45 can be set as the structure which pinches
  • the partition reinforcing plate 442 may be omitted as long as the partition plate 441 has sufficient strength.
  • Two adjacent heat insulating walls 31 may be coupled and fixed by screws or the like in addition to the coupling and fixing by the fixtures 51 and 111 in the above embodiments.
  • the above-described assembly procedure of the heat insulation box 12 is merely an example, and may be changed as follows.
  • the fixtures 51 and 111 are attached to the back heat insulation wall 315, and then the right heat insulation wall 313 or the left heat insulation wall 314 is attached to the fixtures 51 and 111.
  • Each seal member 71, 72, 73, 101, 102, 114 is not limited to a soft tape, and a silicon sealer or the like may be used. It is good also as a structure which provides the heat insulation member 115 for 2nd corners in the corner part of the inner right side of the inner box 14, and accommodates the piping 53 in the accommodating part 116 of the heat insulation member 115 for 2nd corners.
  • the refrigerator 11 may be provided with a mist discharge means.
  • the mist discharging means jets mist generated by electrostatic atomization into the storage chamber.
  • the diameter of the mist is preferably 1 to 1000 nm. In this case, it is possible to prevent mist from being released from between the adjacent heat insulating walls 31 by providing the fixtures 51 and 111 at the corner portion formed by the two adjacent heat insulating walls 31. it can.
  • the fixtures 51 and 111 may be formed integrally with one inner plate of the inner box 14.
  • the heat insulating wall 31 may be formed in an L shape or a U shape when viewed from the side surface or the upper surface. That is, the fixtures 51 and 111 not only connect and fix the plate-like heat insulating walls 31 but also connect and fix the heat insulating walls other than the plate shape, and the plate-like heat insulating wall and the heat insulating wall other than the plate shape. It is good.
  • the first heat insulating member 15 of the heat insulating wall 31, that is, the vacuum heat insulating panel, is not necessarily provided integrally with the inner plate of the inner box 14, and may be provided integrally with the outer plate of the outer box 13. That is, the first heat insulating member 15 only needs to be provided in contact with either the inner plate of the inner box 14 or the outer plate of the outer box 13.
  • the heat insulation box 12 may be assembled as follows, for example. First, the inner plates 22 to 26 are connected and fixed by the fixture 51 to form the box-shaped inner box 14. Separately from the inner box 14, a first heat insulating member 15 is attached to the outer box 13. And the heat insulation box 12 is formed by attaching the inner box 14 to what the outer box 13 and the 1st heat insulation member 15 were integrated.
  • the inner plate constituting the inner box 14 is not limited to a flat plate shape, and may be, for example, an L shape when viewed from the upper surface.
  • the communication hole 211a is preferably a slit opened on the rear end side of the upper heat insulating wall 311. According to this, the electric wire 52 and the piping 53 can be arrange
  • the right heat insulating wall 313, the left heat insulating wall 314, and the back heat insulating wall 315 are fixed by the fixture 51, and then the electric wire 52 and the pipe 53 are inserted into the communication hole 211a and the upper heat insulating wall 311 is attached.
  • the communication hole 211a functions as a positioning portion that determines the position of the upper heat insulating wall 311 with respect to the right heat insulating wall 313, the left heat insulating wall 314, and the back heat insulating wall 315 integrated by the fixture 51. . Thereby, the assembly of the heat insulation box 12 becomes easy. The same applies to the bottom heat insulating wall 312.
  • the communication hole 211a may not be located right above the fixture 51, for example, may be located on the heat insulation member 15 of the back side heat insulation wall 315. According to this, the slit shape of the communication hole 211a can be shortened, and leakage of the foamed urethane from the communication hole 211a can be reduced when the foamed urethane is filled.
  • the upper end portion of the back heat insulating wall 315 specifically, the space between the heat insulating member 15 of the back heat insulating wall 315 and the upper outer plate 16 of the upper heat insulating wall 311 is the separation portion 211, and the electric wires 52 and The pipe 53 is refracted from the fixture 51 toward the back outer plate 20 side of the back heat insulating wall 315 and passed through the separation portion 211. Thereby, the electric wire 52 and the piping 53 can be inserted into the communication hole 211a of the heat insulating member 15 of the back heat insulating wall 315. Note that the bypass 531 of the pipe 53 may be accommodated in the machine room 21.
  • the electric wire and piping are provided in the accommodation space of the heat insulation box, and are not provided in the inside of the heat insulation wall. Therefore, it is not necessary to consider securing a space for accommodating the electric wires and the piping inside the heat insulating wall.
  • the heat insulation wall can make the thickness of the 1st heat insulation member excellent in heat insulation performance more than the 2nd heat insulation member as much as possible.
  • the refrigerator is excellent in heat insulation performance and can secure a sufficient space in the cabinet.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
PCT/JP2012/062166 2011-06-14 2012-05-11 冷蔵庫 WO2012172896A1 (ja)

Priority Applications (2)

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CN201280037089.8A CN103733007B (zh) 2011-06-14 2012-05-11 冰箱
EP12799792.2A EP2722624B1 (en) 2011-06-14 2012-05-11 Refrigerator

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JP2011132219A JP5755040B2 (ja) 2011-06-14 2011-06-14 冷蔵庫
JP2011-132219 2011-06-14

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TW (1) TWI477728B (zh)
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