JP2013002695A - Heat insulation wall body and heat insulation box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heat insulation wall body which includes a protruding member and is favorable in assembling performance.SOLUTION: The heat insulation wall body is a heat insulation wall body composed of an outer board, an inner board, and a vacuum heat insulation panel arranged between the outer board and inner board where the inner board is equipped with the protruding member, the protruding member has a protruding portion and a holding portion extending from the protruding portion, a hole is formed at the inner board, the protruding portion protrudes to the front side of the inner board from the hole in a configuration that the holding portion is adhered to the peripheral portion of the hole of the rear side of the inner board, the holding portion is sandwiched by the inner board and the vacuum heat insulation panel.

Description

  Embodiments described herein relate generally to a heat insulating wall and a heat insulating box.

  Some refrigerators include a heat insulating box having a configuration in which a vacuum heat insulating panel is disposed between an inner box and an outer box.

JP-A-4-260780 JP-A-6-147744

  In the above-described refrigerator, the size of the outer box and the inner box is large, and the production and assembly of the heat insulating box are large, and there is a problem of poor productivity. Therefore, it is considered to divide the heat insulating box into a plurality of heat insulating walls, and the divided heat insulating walls are combined to form the heat insulating box. Here, if the heat insulating wall is simply composed of only a vacuum heat insulating panel, the heat insulating wall is weak in strength. In order to improve this, a heat insulating wall having a structure in which the vacuum heat insulating panel is sandwiched between the outer plate and the inner plate is considered.

  By the way, it is necessary to provide a projecting member such as a support part for supporting a shelf or the like and a guide rail mounting part for supporting a pull-out container in the heat insulation box. When such a protruding member is provided on the heat insulating wall body, it is common to attach the protruding member to the inner plate using a fastening member such as a screw. However, the assembling property is poor, and the fastening member such as a screw is vacuum. There is a risk of breaking the insulation panel.

  Then, while providing a heat insulation wall body with a good assembly property while providing a protrusion member, the heat insulation box using this heat insulation wall body is provided.

  The heat insulating wall body of the embodiment is a heat insulating wall body including an outer plate, an inner plate, and a vacuum heat insulating panel disposed between the outer plate and the inner plate, and the inner plate includes a protruding member. The projecting member has a projecting portion and a sandwiching portion extending from the projecting portion. The inner plate has a hole, and the sandwiching portion is a hole peripheral portion on the back surface of the inner plate. The protruding portion protrudes from the hole portion to the inner plate front side, and the holding portion is held between the inner plate and the vacuum heat insulating panel.

The perspective view of the refrigerator by 1st Embodiment The perspective view which looked at the heat insulation box from the upper part Perspective view of the heat insulation box viewed from below Exploded perspective view of heat insulation box Exploded perspective view of left side wall insulation panel Front view of shelf receiving member part on inner plate Sectional drawing by cutting line X7-X7 of FIG. Sectional drawing by the cutting line X8-X8 of FIG. The perspective view of the shelf receiving member part in an inner board Sectional drawing by cutting line X10-X10 of FIG. The perspective view of the attachment member part for partition plates in an inner plate Front view of hole and slit part for inner plate partition plate mounting member Front view of inner plate partition plate mounting member The perspective view of the 1st rail attachment member part in an inner board Front view of first rail mounting member portion on inner plate Sectional drawing by cutting line X16-X16 of FIG. Longitudinal sectional view of first rail mounting member and rail portion in inner plate Perspective view of the partition wall mounting member portion of the inner plate Longitudinal sectional view of a state in which an insulating partition wall is arranged on the partition wall mounting member FIG. 5 equivalent diagram according to the second embodiment Transverse plan view of a connecting component part of the heat insulation panel for the rear wall and the heat insulation panel for the left wall according to the third embodiment. 21 is a longitudinal sectional view taken along the cutting line X22-X22 in FIG. A perspective view of a state in which the fixture is attached to the inner plate

(First embodiment)
A first embodiment will be described with reference to FIGS. The external appearance of the refrigerator 1 of 1st Embodiment is shown by FIG. 1, and the external appearance of the heat insulation box 2 which comprises the cabinet of the refrigerator 1 is shown by FIG.2 and FIG.3. Inside the heat insulation box 2, a refrigerator compartment 3 and a vegetable compartment 4 are provided in order from the top, and an ice making room 5 and a small freezer compartment 6 are provided side by side below the vegetable compartment 4, with the main freezer at the bottom. A chamber 7 is provided. These refrigerator compartment 3, vegetable compartment 4, ice making compartment 5, small freezer compartment 6, and main freezer compartment 7 each form a storage compartment. Among these, the refrigerator compartment 3 and the vegetable compartment 4 are controlled by the refrigerator temperature whose chamber | room temperature is about 1 to 5 degreeC, for example. Thus, since both the refrigerator compartment 3 and the vegetable compartment 4 are storage compartments in a refrigerated temperature zone, they are partitioned by, for example, a synthetic resin partition plate 8 (corresponding to a partition portion). The ice making room 5, the small freezer room 6, and the main freezer room 7 are controlled to a freezing temperature of, for example, −18 ° C. or lower, and are storage rooms in a freezing temperature zone. The vegetable compartment 4 in the refrigerated temperature zone and the ice making chamber 5 and the small freezer compartment 6 in the freezing temperature zone are partitioned up and down by a heat insulating partition wall 9 (corresponding to a member crossing the inside of the heat insulating box) having heat insulating properties. ing.

  As shown in FIGS. 2 and 3, a front partition portion 10 is provided in the front portion of the heat insulating box 2 so as to be positioned in front of the partition plate 8 and extend in the lateral direction, and is positioned in front of the heat insulating partition wall 9. A front partition 11 extending in the horizontal direction is provided. Further, a front partitioning portion 12 is provided at the front portion of the heat insulating box 2 so as to be positioned between the ice making chamber 5 and the small freezer compartment 6 and extending in the vertical direction, and the ice making chamber 5, the small freezer compartment 6, and the main freezer compartment. 7 is provided between the front partitioning portion 13 and the front partitioning portion 13.

  The front of the refrigerator compartment 3 is opened and closed by two doors 15 and 16. The doors 15 and 16 are of a double door type that is rotated in the front-rear direction around hinges 17 and 18 provided at both left and right ends of the heat insulation box 2. The vegetable compartment 4 is opened and closed by a drawer type door 19 at the front. A vegetable storage container (not shown) is provided on the back side of the door 19. The ice making chamber 5 is opened and closed by a drawer type door 20 at the front. An ice making device (not shown) is provided in the ice making chamber 5, and an ice storage container (not shown) is provided on the back side of the door 20. The small freezer compartment 6 is opened and closed by a drawer type door 21 at the front. A storage container (not shown) is provided on the back side of the door 21. The main freezer compartment 7 is also opened and closed by a drawer-type door 22 at the front. A storage container (not shown) is provided on the back side of the door 22.

  As shown in FIG. 4, the heat insulating box 2 is equivalent to a heat insulating wall, and includes a rear wall heat insulating panel 25 that forms a rear wall, a left wall heat insulating panel 26 that forms a left wall, and a right side. A right side wall heat insulation panel 27 that forms a wall, a ceiling wall heat insulation panel 28 that forms a ceiling wall, and a bottom wall heat insulation panel 29 that forms a bottom wall are combined to form a box with an open front. Has been. The rear wall heat insulation panel 25 and the left wall heat insulation panel 26 are connected and fixed at a corner portion of the left rear portion by using a fixing tool 23 corresponding to a connection portion. Further, the rear wall heat insulation panel 25 and the right wall heat insulation panel 27 are connected and fixed at the corner portion of the right rear portion by using a fixing tool (not shown) similar to the fixing tool 23. The front portion of the left side wall heat insulation panel 26 and the front portion of the right side wall heat insulation panel 27 are connected by the front partition portions 10, 11, and 13. The heat insulation box 2 is reinforced by these front partition portions 10, 11, and 13.

  Since the schematic configurations of these heat insulating panels 25 to 29 are the same, the left side heat insulating panel 26 will be described as a representative. As shown in FIG. 5, the left-side wall heat insulating panel 26 includes an outer plate 30 made of a metal plate for an outer box, an inner plate 31 made of, for example, a sheet member made of synthetic resin for the inner box, and these outer plates 30. And a panel-like vacuum heat insulating panel 32 as a heat insulating material disposed between the inner plate 31 and the inner plate 31.

  As shown in FIG. 5, the inner plate 31 includes a shelf receiving member 40 as a projecting member, a partition plate mounting member 41, a first rail mounting member 42, a partition wall mounting member 43, and a second rail. A mounting member 44 is attached, and is attached to the vacuum heat insulating panel 32 in a state in which these are integrally provided.

As shown in FIGS. 7 and 10, the vacuum heat insulating panel 32 is bonded and fixed to the back surface of the inner plate 31 with an adhesive 33 and the other surface opposite to the one surface is bonded to the inner surface of the outer plate 30. By being bonded and fixed by the agent 34, the state is sandwiched between the inner plate 31 and the outer plate 30.
As shown in FIG. 6, the vacuum heat insulation panel 32 includes a core material 35 such as glass wool and a packaging material 38 having gas barrier properties. The vacuum heat insulating panel 32 is manufactured in a panel shape (plate shape) by housing the core material 35 in the packaging material 38 and evacuating the packaging material 38 in this state.

  Although not shown, the shelf receiving member 40 of the left side wall heat insulation panel 26, the partition plate mounting member 41, and the inner plate 31 of the right side wall heat insulation panel 27 facing the left side wall heat insulation panel 26 are also shown. The shelf mounting member 40, the partition plate mounting member 41, the first rail mounting member 42, the partition wall mounting member 43, and the second rail mounting member 44 are opposed to the first rail mounting member 42, the partition rail mounting member 41, and the first rail mounting member 41. A rail mounting member 42, a partition wall mounting member 43, and a second rail mounting member 44 are provided.

  Hereinafter, the shelf receiving member 40, the partition plate mounting member 41, the first rail mounting member 42, the partition wall mounting member 43, and the second rail mounting member provided on the heat insulating panel 26 for the left side wall. The attachment member 44 will be described.

  As shown in FIGS. 6 to 9, the shelf receiving member 40 is formed of, for example, a metal plate, and includes a plurality of, for example, two upper and lower projecting portions 40 a and 40 b and a sandwiching portion 40 c. Yes. The upper protruding portion 40a includes a pair of left and right protruding piece portions 40a1 and 40a2 and an intermediate cut and raised side portion 40a3. The protruding piece portions 40a1 and 40a2 have a bowl shape. The lower projecting portion 40b has the same configuration as the projecting portion 40a, and has a pair of projecting piece portions 40b1 and 40b2 having a bowl shape, and an intermediate cut and raised side portion 40b3.

The sandwiching portion 40c extends in the vertical direction from one end (base end) of the projecting portions 40a and 40b, and the projecting portions 40a and 40b are integrally connected by the sandwiching portion 40c.
And the hole 31a, 31b is formed in the inner plate 31 apart from the upper and lower sides, and when the left side wall heat insulation panel 26 is assembled, the rear surface of the inner plate 31 (when the surface in the refrigerator compartment is the front surface) The protrusions 40a and 40b are inserted into the holes 31a and 31b from the rear surface of the inner plate 31 so as to protrude to the front side of the inner plate 31, and the clamping portion 40c is bonded to the peripheral portions of the holes 31a and 31b on the rear surface of the inner plate 31. . And the back surface of the integrated part (refer FIG. 5) of this clamping part 40c and the inner board 31 and the vacuum heat insulation panel 32 are adhere | attached. In the assembled state of the left-side wall heat insulating panel 26, the holding portion 40c is held between the inner plate 31 and the vacuum heat insulating panel 32 (see FIGS. 7 and 8).

In this case, a shelf (not shown) is placed on the bowl-shaped protrusions 40 a and 40 b of the shelf receiving member 40.
As shown in FIGS. 2 and 3, the partition plate mounting member 41 is positioned at a portion corresponding to the partition plate 8 that partitions the refrigerator compartment 3 and the vegetable compartment 4, and one for the front portion and the rear portion. It is provided one by one. The partition plate mounting member 41 will be described with reference to FIGS. The partition plate mounting member 41 is made of a synthetic resin, and includes a projecting portion 41a and a sandwiching portion 41b extending vertically from one end of the projecting portion 41a. And the groove part 41c of the front-back width substantially the same as the plate | board thickness of the inner board 31 is formed in the end of the protrusion part 41a.

  Further, a hole 31c is formed in the inner plate 31, and a slit 31d that is long in the up and down direction is formed on the right side of the hole 31c. The edge part of this slit 31d can be elastically deformed because the inner plate 31 is made of a sheet member that is relatively easy to bend.

  For attaching the partition plate mounting member 41 to the inner plate 31, before assembling the left side wall heat insulation panel 26, the partition plate mounting member 41 is positioned above and below the partition plate mounting member 41 with respect to the slit 31d at the front side of the inner plate 31. The clamping part 41b is inserted in the left direction from the left end. At this time, the edge part of the slit 31d is elastically deformed, so that the clamping part 41b can be inserted from the slit 31d to the back side of the inner plate 31. In this case, the grooves 41c and 41c of the partition plate mounting member 41 are fitted to the upper and lower edges of the hole 31c. Further, in this case, by applying an adhesive to the back surface of the inner plate 31 in advance, the clamping portion 41b is bonded to the peripheral portion of the partition plate mounting member hole portion 31c of the inner plate 31. Thus, by inserting the partition plate mounting member 41 into the slit 31d from the front side of the inner plate 31, the protruding portion 41a protrudes from the partition plate mounting member hole portion 31c. In this case, the groove 41c, 41c of the protrusion 41a is fitted into the partition plate mounting member hole 31c, so that the partition plate mounting member 41 does not come out backward.

  And the back surface of the integral part of this clamping part 41b and the inner board 31 and the vacuum heat insulation panel 32 are adhere | attached. In the assembled state of the left-side wall heat insulating panel 26, the holding portion 41 b is held between the inner plate 31 and the vacuum heat insulating panel 32.

  The first rail mounting member 42 is provided at the front portion and the rear portion at a position corresponding to the vegetable compartment 4. The first rail mounting member 42 will be described with reference to FIGS. The first rail mounting member 42 is made of, for example, a metal plate, and has a substantially cylindrical (cylindrical shape close to a collar) protrusion 42a and a sandwiching part 42b extending from one end of the protrusion 42a to the periphery. It is. Furthermore, an engaging portion 42c having an L-shape is formed upward at one location in the upper center of the clamping portion 42b, and engaging portions 42d that protrude into the storage are formed at two locations on the left and right sides of the lower portion. The protruding portion 42a has a screw hole 42e that is a hole.

The inner plate 31 is formed with a hole 31e for inserting and projecting the protrusion 42a, and an engagement hole 31f is formed at one place above the hole 31e, and at two places below. An engagement hole 31g is formed.
The first rail attachment member 42 is attached to the inner plate 31 by inserting the protruding portion 42a into the hole 31e from the back surface of the inner plate 31 before the left side wall heat insulation panel 26 is assembled. The upper engagement portion 42c is inserted into and engaged with the upper engagement hole portion 31f, and the lower engagement portion 42d is inserted into and engaged with the lower engagement hole portion 31g. The part 42b is bonded to the back surface of the inner plate 31. In the assembled state of the left side wall heat insulating panel 26, the holding portion 42 b is held between the inner plate 31 and the vacuum heat insulating panel 32.

A rail 45 extending in the front-rear direction is screwed into the screw hole 42e of the protrusion 42a of the two first rail mounting members 42. The rail 45 guides the movement in the front-rear direction of a support frame (not shown) attached to the back side of the door 19 of the vegetable compartment 4.
The partition wall mounting member 43 is provided in a form extending in the front-rear direction, positioned at a portion where the heat insulating partition wall 9 is provided. The partition wall mounting member 43 will be described with reference to FIGS. 18 and 19. The partition wall mounting member 43 is formed in a long shape extending, for example, in the front-rear direction as a whole from a metal plate, and a projecting portion 43a as a projecting portion, and a sandwiching portion extending downward from the projecting portion 43a. 43c, and further includes an engaging portion 43b at the lower end of the clamping portion 43c.

A plurality of slit portions 43d are formed in the protruding portion 43a along the longitudinal direction (extending in the front-rear direction).
The inner plate 31 has a slit-shaped hole 31h for inserting the protruding portion 43a from the back side of the inner plate 31, and a slit-shaped hole for inserting the engaging portion 43b from the back side of the inner plate 31. A portion 31i is formed.

  The projection member 43a and the engaging portion 43b of the partition wall mounting member 43 are inserted from the back side into the hole portions 31h and 31i of the inner plate 31 before the left side wall heat insulation panel 26 is assembled, and are projected to the front side. The clamping portion 43c is bonded to the back surface of the inner plate 31. In the assembled state of the left side wall heat insulating panel 26, the holding portion 43 c is held between the inner plate 31 and the vacuum heat insulating panel 32. The attachment strength is improved by the engagement between the engagement portion 43b and the hole portion 31i.

And as shown in FIG. 19, the insertion part 9a (only one side is shown) of the both ends of the said heat insulation partition wall 9 (member crossing the inside of a heat insulation box) is the heat insulation panel 26 for left side walls, and the heat insulation panel for right side walls. 27 are inserted into and engaged with the slits 43 d of the partition wall mounting members 43 respectively attached to the wall 27. Thereby, the heat insulation partition wall 9 is arrange | positioned so that the inside may be crossed in the heat insulation box 2. As shown in FIG.
The second rail mounting member 44 is provided at a front portion and a rear portion so as to be located at a portion corresponding to the main freezer compartment 7. The second rail attachment member 44 has the same configuration as the first rail attachment member 42 and is attached to the inner plate 31 in the same manner.

  As described above, in this embodiment, for example, the heat insulation panel 26 for the left side wall and the heat insulation panel 27 for the right side wall as the heat insulation walls are respectively the outer plate 30, the inner plate 31, and the outer plate and the inner plate. It is comprised from the vacuum heat insulation panel 32 arrange | positioned. Further, the inner plate 31 includes a shelf receiving member 40, a partition plate mounting member 41, a first rail mounting member 42, a partition wall mounting member 43, and a second rail mounting member 44 as protruding members. ing.

  The shelf receiving member 40 has projecting portions 40a and 40b and a clamping portion 40c extending from one end of the projecting portions 40a and 40b, and the inner plate 31 is formed with hole portions 31a and 31b. The projecting portions 40a and 40b project from the holes 31a and 31b to the front side of the inner plate 31 in a form in which the sandwiching portion 40c is bonded to the peripheral portions of the holes 31a and 31b on the back surface of the inner plate 31. Reference numeral 40 c denotes a structure sandwiched between the inner plate 31 and the vacuum heat insulating panel 32.

  In this case, the partition plate mounting member 41, the first rail mounting member 42, the partition wall mounting member 43, and the second rail mounting member 44, which are other projecting members, similarly have a projecting portion and a clamping portion. From basically, it is attached in the same way.

  According to this embodiment, the shelf receiving member 40, the partition plate mounting member 41, the first rail mounting member 42, the partition wall mounting member 43, and the second rail mounting member 44 are mounted on the inner plate 31. Since the inner plate 31 can be bonded to the vacuum heat insulation panel 32 in the form, the assembly of the left wall heat insulation panel 26 and the right wall heat insulation panel 27 is good. Moreover, since the clamping part of each said members 40-44 is clamped with an inner board and a vacuum heat insulation panel, the attachment intensity | strength of each member 40-41 is high.

In this embodiment, the shelf receiving member 40 has a plurality of projecting portions 40a and 40b, and the projecting portions 40a and 40b are integrally connected by the clamping portion 40c. The inner plate 31 is provided with holes 31a and 31b through which the protruding portions 40a and 40b are inserted and protruded.
According to this embodiment, since the some protrusion part 40a, 40b is integrated in the clamping part 40c, the intensity | strength of the shelf receiving member 40 can be strengthened.
Further, since the protruding portions 40a and 40b of the shelf receiving member 40 have a bowl shape, they can be supported simply by placing a shelf (not shown).

  In addition, the first rail mounting member 42 and the second rail mounting member 44 according to this embodiment have a plurality of engaging portions 42c, 42d, and 42d that engage with the inner plate 31 around the protruding portion 42a. . According to this, since the engaging portions 42c, 42d, and 42d can contribute to the improvement of the attachment strength with the inner plate 31 in addition to the clamping portion 42b, the attachment strength can be further increased.

In this embodiment, the inner plate 31 is formed with a slit 31d that is continuous with the hole 31c for projecting the projecting portion 41a of the partition plate mounting member 41, and the edge of the slit 31d in the inner plate 31 is formed. Since it is elastically deformable, the partition plate mounting member 41 can be assembled to the inner plate 31 from the front side, and the assembly workability is further improved.
Moreover, the heat insulation box 2 by this embodiment is comprised using the heat insulation panels 25-29 which are heat insulation walls, and is comprised by connecting these some heat insulation panels 25-29 with the fixing tool 23 which is a connection part. did. According to this, the heat insulation box 2 can be assembled easily.

  In the heat insulation box 2 according to this embodiment, the partition wall mounting member 43 has a shape extending in the front-rear direction, and has a slit portion 43 d extending in the front-rear direction, and each left side constituting the left and right side walls. Provided in the heat insulation panel 26 for the wall and the heat insulation panel 27 for the right side wall, both ends of the heat insulation partition wall 9, which is a member crossing the inside of the heat insulation box 2, are engaged with the slit portion 43 d of the partition wall attachment member 43. The composition was combined.

According to this, it can support by only mounting the heat insulation partition wall 9 on the attachment member 43 for both partition walls.
Further, since the protruding portion 42a of the first rail mounting member 42 according to this embodiment is formed in a substantially cylindrical shape, the strength of the protruding portion 42a and the strength of the first rail mounting member 42 are improved. Further, the second rail mounting member 44 has the same effect. Since the first rail mounting member 42 and the second rail mounting member 44 are loaded with the pull-out type doors 19 and 22, the storage containers provided therein, and further the load to be stored, the protruding portion 42 a. The improvement of strength is extremely effective.

Further, in this embodiment, the first rail mounting members 42 and 44 have screw holes 42e which are holes, and the screw holes 42e are provided only in the protruding portion 42a. That is, the clamping part 42b has no hole. The partition wall mounting member 43 has a slit 43d, which is also a hole, in the protrusion 43a. The slit 43d is only in the protrusion 43a. That is, there is no hole in the clamping part 43c.
According to this, since the sandwiching part (the above-described 42b and 43c) which is a reinforcing plate has no notch such as a hole in the bonding surface with the vacuum heat insulating panel 32, the stress is dispersed throughout the sandwiching part, so a thin film The packaging material 38 is not broken.

(Second Embodiment)
FIG. 20 shows a second embodiment, which differs from the first embodiment in the following points. The shelf receiving member 50 as the second projecting member has the same configuration as the above-described shelf receiving member 40 (the same part is given the same subscript), but is bonded to the vacuum heat insulating panel 32 in advance. The inner plate 31 is formed with second holes 31r and 31s. The second holes 31r and 31s have the same shape at the same positions as the holes 31a and 31b. And the vacuum heat insulation panel 32 which integrated this shelf receiving member 50 is adhere | attached on the inner board 31. FIG. In this case, the protrusions 50a and 50b are inserted and protruded from the back surface of the inner plate 31 into the second holes 31r and 31s.

  According to the second embodiment, the protrusions 50 a and 50 b of the shelf receiving member 50 bonded to the vacuum heat insulation panel 32 are inserted into the holes 31 r and 31 s of the inner plate 31 so that the inner plate 31 and the vacuum heat insulation panel are inserted. 32, and the assembling property of the heat insulating panel 26 for the left side wall and the heat insulating panel 27 for the right side wall, which are heat insulating wall bodies, is good.

(Third embodiment)
21 to 22 show a third embodiment. FIG. 21 shows a connection configuration of a rear wall heat insulation panel 25 that forms the rear wall and a left wall heat insulation panel 26 that forms the left wall (for the rear wall). The connection configuration of the heat insulation panel 25 and the right side wall heat insulation panel 27 is basically the same). A fixture 61 as a connecting part connects the heat insulation panel 25 for the rear wall and the heat insulation panel 26 for the left wall. In this case, the fixture 61 has a shape that is long in the vertical direction, like the fixture 23. The fixture 61 is connected to the rear wall heat insulation panel 25 and the left wall heat insulation panel 26 by a fixture 62 as a protruding member. A plurality of the fixtures 62 are previously attached to the inner plate 31 of the heat insulating panel 25 for the rear wall and the inner plate 31 of the heat insulating panel 26 for the left side wall in advance in the vertical direction. A configuration for attaching the fixture 62 to the inner plate 31 will be described.

  The fixture 62 is made of synthetic resin, and has a projecting portion 62a having a slightly vertically long rectangular shape and a sandwiching portion 62b projecting from one end thereof in the vertical direction. Further, the fixture 62 is formed with a screw hole 62c from the other end surface toward one end.

  The inner plate 31 is formed with holes 31u at a plurality of locations (only one is shown) in the vertical direction. Prior to assembling the left-side wall heat insulating panel 26, the fitting 62 is inserted into the hole 31u from the back side of the inner plate 31 and protrudes to the front side, and the clamping portion 62b is bonded to the back surface of the inner plate 31. Has been. In the assembled state of the left-side wall heat insulating panel 26, the holding part 62 b is held between the vacuum heat insulating panel 32 and the inner plate 31.

  In this way, both the panels 26 and 25 are connected by fixing the fixture 61 to the screw hole 62c of the fixture 62 attached to the left side wall thermal insulation panel 26 and the rear wall thermal insulation panel 25. . In addition, the fixture 61, the fixture 62, and those connection structures in the heat insulation panel 25 for rear walls and the heat insulation panel 27 for right side walls are the same as the above (left-right symmetry).

  In the third embodiment, the inner plate 31 has a shelf receiving member 40, a partition plate mounting member 41, a first rail mounting member 42, a partition wall mounting member 43, and a second rail mounting member 44. Since the inner plate 31 can be bonded to the vacuum heat insulation panel 32 with the attachment 62 attached, the left wall heat insulation panel 26, the right wall heat insulation panel 27, and the rear wall heat insulation panel 25 can be assembled. good. Moreover, since the clamping part 62b of the said fixture 62 is clamped by the inner board 31 and the vacuum heat insulation panel 32, the attachment strength of this fixture 62 is also high.

In addition, what is necessary is just to comprise a heat insulation box with at least 2 or more heat insulation wall bodies.
As the heat insulation wall, a vacuum heat insulation panel is arranged between the inner plate and the outer plate, the inner plate and one surface of the vacuum heat insulation panel are bonded, and the other surface of the vacuum heat insulation panel and the outer plate are bonded. It is good also as a structure, and it is good also as a structure which adhere | attached the inner board and one surface of the vacuum heat insulation panel, and interposed heat insulating materials, such as urethane foam, between the other surface of a vacuum heat insulation panel and an outer board.

In addition to the heat insulating partition wall 9, there are other partition members and shelves as members that cross the heat insulating box.
In addition to the shelf, another member may be attached to the shelf receiving member 40. For example, you may attach the support member which is a rectangular parallelepiped made from a synthetic resin, and has the hole which engages the protrusion part 40a1, 40a2 and the cut-and-raised side part 40a3. In that case, the shelf may be placed on the support member. Further, if a screw hole or the like is provided in the support member, other parts in the warehouse can be screwed, and the support member can be reinforced by the shelf receiving member 40 which is a reinforcing means.

  As described above, the heat insulating wall body of the embodiment is a heat insulating wall body including an outer plate, an inner plate, and a vacuum heat insulating panel disposed between the outer plate and the inner plate. The projecting member includes a projecting portion and a sandwiching portion extending from the projecting portion. The inner plate has a hole, and the sandwiching portion is formed on the back surface of the inner plate. The protruding portion protrudes from the hole portion toward the inner plate front side in a form bonded to the peripheral portion of the hole portion, and the holding portion is held between the inner plate and the vacuum heat insulating panel. According to this, the assemblability can be improved.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

  In the drawings, 1 is a refrigerator, 2 is a heat insulating box, 3 is a refrigerator compartment (storage room), 4 is a vegetable room (storage room), 5 is an ice making room (storage room), 6 is a small freezer room (storage room), 7 is a main freezer compartment (storage room), 8 is a partition plate (partition part), 9 is a heat insulating partition wall (member crossing the inside of the heat insulating box), 23 is a fixture (connecting part), and 26 is a heat insulating panel for the left side wall. (Heat insulation wall body, side wall), 27 is a heat insulation panel for right side wall (heat insulation wall body, side wall), 30 is an outer plate, 31 is an inner plate, 32 is a vacuum heat insulation panel, 40 is a shelf support member (protruding member), 41 Is a partition plate mounting member (projecting member), 42 is a first rail mounting member (projecting member), 43 is a partition wall mounting member (projecting member), and 44 is a second rail mounting member (projecting member). , 50 is a second projecting member, 61 is a fixture (connecting portion), and 62 is a fixture (projecting member).

Claims (10)

A heat insulating wall body composed of an outer plate, an inner plate, and a vacuum heat insulating panel disposed between the outer plate and the inner plate,
The inner plate includes a protruding member,
The projecting member has a projecting portion and a sandwiching portion extending from the projecting portion,
A hole is formed in the inner plate,
The protruding portion protrudes from the hole portion toward the inner plate front side in a form in which the holding portion is bonded to the peripheral portion of the hole portion on the back surface of the inner plate, and the holding portion is held between the inner plate and the vacuum heat insulating panel. A heat insulating wall characterized by having a configuration. The inner plate has a plurality of holes,
2. The heat insulating wall according to claim 1, wherein the projecting member has a plurality of projecting portions projecting from the respective hole portions, and the plurality of projecting portions are integrally connected to each other by the clamping portion. body.   The heat insulating wall body according to claim 1, wherein the protruding member has a plurality of engaging portions that engage with the inner plate around the protruding portion.   The heat insulating wall body according to any one of claims 1 to 3, wherein a slit that is continuous with the hole is formed in the inner plate, and a slit edge portion of the inner plate is elastically deformable.   The second projecting member is further provided, and the second projecting member is bonded to the vacuum heat insulating panel and projects into the chamber from the second hole formed in the inner plate. The heat insulation wall body as described in any one of these.   The heat insulating wall body according to any one of claims 1 to 5, wherein the protruding member has a hole, and the hole is provided only in the protruding portion.   It is a heat insulation box comprised using the heat insulation wall body of any one of the said Claims 1-6, Comprising: These heat insulation wall bodies were connected and comprised by the connection part, It was characterized by the above-mentioned. Insulated box. The left and right side walls in the heat insulation box are each composed of the heat insulation wall,
The projecting member has a form extending in the front-rear direction, has a slit portion extending in the front-rear direction, and is provided in each heat insulating wall body that constitutes the left and right side walls,
The heat insulating box according to claim 7, wherein both ends of a member that traverses the inside of the heat insulating box are engaged with the slit portions of both protruding members.   The heat insulating box according to claim 7, wherein the protruding portion of the protruding member has a bowl shape.   The heat insulating box according to claim 7, wherein the protruding portion of the protruding member has a substantially cylindrical shape.

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