JP2017002636A - Outer wall part heat insulation structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outer wall part heat insulation structure capable of using a space of the outer wall part inside for other uses, while securing heat insulation performance.SOLUTION: An outer wall part heat insulation structure comprises: an outer wall frame 22 provided between an outer column 16 and an outer column 16 of a building unit 10 and formed in a rectangular shape having a hollow non-heat insulation space 44 in a frame by an outer wall vertical frame 30 extended in the building vertical direction and an outer wall horizontal frame 32 extending in the horizontal direction; an inner wall frame 24 separately provided on the indoor side of the outer wall frame 22 and formed in a rectangular shape by inner wall vertical frames 74 and 76 extended in the building vertical direction and an inner wall horizontal frame 78 extended in the horizontal direction; and a heat insulation material 26 provided between the outer wall frame 22 and the inner wall frame 24, formed in a plate shape and sandwiched between the outer wall frame 22 and the inner wall frame 24.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an outer wall insulating structure.

  The following Patent Document 1 discloses a heat insulating structure for a unit type building. The outer wall of this unit type building is composed of an outer wall panel and an intermediate panel. Specifically, it is composed of an outer wall panel composed of an outer wall material and an outer wall frame, and an intermediate panel composed of a base surface material, an inner wall frame, and a heat insulating material, and is provided within the frame of the inner wall frame. The heat insulating performance of the outer wall is ensured by the heat insulating material made of glass wool.

JP2012-241341A

  By the way, in the heat insulation structure disclosed in Patent Document 1, the heat insulating material is made of glass wool. Generally, in the case of a heat insulating material composed of glass wool, the shape of the outer shape is indeterminate, so if a heat insulating material is provided so as to fill the space inside the inner wall frame in order to ensure heat insulating performance, It is assumed that the heat insulating material swells. Therefore, the space inside the inner wall frame is reduced, and it may be difficult to provide wiring or the like inside the inner wall frame.

  In view of the above problems, an object of the present invention is to obtain an outer wall insulating structure that can use the space inside the outer wall for other purposes while ensuring the heat insulating performance.

  The outer wall heat insulating structure according to the first aspect is provided between the pillars of the building unit, and includes an outer wall vertical frame extending in the vertical direction of the building and an outer wall horizontal frame extending in the horizontal direction. An outer wall frame formed in a rectangular shape having a hollow non-insulated space in the frame, and provided on the indoor side of the outer wall frame so as to be spaced apart from the inner wall vertical frame extending in the vertical direction of the building and extending in the horizontal direction. The inner wall frame is formed in a rectangular shape with the inner wall horizontal frame provided, and is provided between the outer wall frame and the inner wall frame, and is formed in a plate shape and is sandwiched between the outer wall frame and the inner wall frame. A heat insulating material.

  The heat insulation structure of the outer wall portion according to the second aspect is the heat insulation structure of the outer wall portion according to the first aspect, wherein the end in the width direction of the heat insulating material is opposed to the pillar with a predetermined gap. Has been.

  The outer wall heat insulating structure according to the third aspect is the outer wall heat insulating structure according to the second aspect, wherein the gap is provided with a pillar heat insulating material made of a material different from the heat insulating material.

  The outer wall portion heat insulating structure according to the fourth aspect is the outer wall portion heat insulating structure according to the third aspect, wherein the inner wall vertical frame of the inner wall frame is configured by overlapping a plurality of constituent members and adjacent to the pillar. Of the plurality of constituent members, the dimension in the wall thickness direction of the constituent member closer to the pillar is set shorter than the dimension in the wall thickness direction of the constituent member farther from the pillar, and thus closer to the pillar. The space between the other component and the outer wall surface material is expanded.

  The outer wall part heat insulation structure according to a fifth aspect is the outer wall part heat insulation structure according to any one of the first aspect to the fourth aspect, and is located on the indoor side of the heat insulating material and within the frame of the inner wall frame. An inner insulation is provided.

  According to the first aspect, the plate-like heat insulating material is held between the outer wall frame and the inner wall frame. In other words, since the heat insulating material is formed in a plate shape, the shape of the outer shape is constant, so by sandwiching this heat insulating material between the outer wall frame and the inner wall frame, the frame of the outer wall frame and the frame of the inner wall frame The respective ranges of the inside and the heat insulating material are clearly divided. Therefore, since the non-insulated space in the frame of the outer wall frame is ensured, the non-insulated space can be used as a space for passing wiring.

  According to the 2nd aspect, since the edge part of the width direction of a heat insulating material is arrange | positioned facing a predetermined clearance gap between pillars, the heat conduction between a heat insulating material and a pillar is a clearance gap. Is suppressed by. Therefore, it is possible to further improve the heat insulation performance.

  According to the 3rd aspect, the pillar part heat insulating material is provided in the clearance gap formed between the pillar and the width direction edge part of the heat insulating material. This pillar heat insulating material is made of a material different from the heat insulating material sandwiched between the outer wall frame and the inner wall frame. That is, the thermal conductivity is different between the heat insulating material and the pillar heat insulating material. For this reason, while heat conduction between a heat insulating material and a pillar part heat insulating material is suppressed, it becomes possible to further improve heat insulation performance because a pillar heat insulating material is provided in a crevice.

  According to the fourth aspect, since the space between the component member closer to the column and the outer wall surface material is expanded, more column part heat insulating material can be provided in the expanded space. Insulation performance can be further improved.

  According to the fifth aspect, since the inner heat insulating material is provided in the frame of the inner wall frame, the heat insulating material is provided on the outer wall portion in addition to the heat insulating material sandwiched between the outer wall frame and the inner wall frame. Therefore, the heat insulation performance can be further improved.

  As described above, the outer wall heat insulating structure according to the present invention has an excellent effect that the space inside the outer wall can be used for other applications while ensuring heat insulating performance.

It is a perspective view which shows the building unit which has the outer wall part heat insulation structure which concerns on 1st Embodiment. It is an expanded sectional view which shows the state which cut | disconnected the outer wall part of the building comprised with the building unit which has the outer wall part heat insulation structure which concerns on 1st Embodiment in the horizontal direction. It is an expanded sectional view which shows the state which cut | disconnected the outer wall part of the building comprised with the building unit which has the outer wall part heat insulation structure which concerns on 1st Embodiment in the building up-down direction. It is an expanded sectional view which shows the state which cut | disconnected the outer wall part of the building comprised with the building unit which has the outer wall part heat insulation structure which concerns on a comparison along a horizontal direction. It is an expanded sectional view which shows the state which cut | disconnected the outer wall part of the building comprised with the building unit which has the outer wall part heat insulation structure which concerns on 2nd Embodiment along the horizontal direction.

(First embodiment)
Hereinafter, 1st Embodiment of the outer wall part heat insulation structure which concerns on this invention is described using FIGS. 1-3.

  As shown in FIG. 1, the building unit 10 that forms a building by being mounted on a foundation (not shown) has a rectangular parallelepiped shape. In FIG. 1, the outer wall surface material 14 (see FIG. 2) provided on the outer wall portion 12 is omitted for easy understanding of the configuration of the present embodiment. At the four corners of the building unit 10, outer pillars 16 are arranged as pillars. The outer column 16 is formed of square steel having a square cylindrical shape in plan view. The upper ends of the outer pillars 16 of the building unit 10 are connected to each other by four ceiling beams 18. Further, the lower ends of the outer pillars 16 are connected to each other by four floor beams 20. Moreover, the ceiling beam 18 and the floor beam 20 are formed of grooved steel having a U-shaped cross-section when cut along the height direction of the building (see FIG. 3).

  An outer wall portion 12 is provided between one outer pillar 16 and the other outer pillar 16. As shown in FIG. 2, the outer wall portion 12 includes an outer wall surface material 14, an outer wall frame 22, an inner wall frame 24, a heat insulating material 26, and an inner wall surface material 28.

  The outer wall frame 22 is formed in a substantially rectangular shape by an outer wall vertical frame 30 extending in the vertical direction of the building and an outer wall horizontal frame 32 (see FIG. 1) extending in the horizontal direction. The outer wall vertical frame 30 is configured by two outer wall frame members 34 made of steel. The outer wall frame constituting member 34 includes an outdoor side wall portion 36, an indoor side wall portion 38 that faces the outdoor side wall portion 36, one end portion of the outdoor side wall portion 36, and one end portion of the indoor side wall portion 38 that opposes the outer wall portion. The bottom wall portion 40 connected in the 12 wall thickness direction is formed in a substantially U-shaped cross section in the horizontal direction. The outdoor side wall part 36 and the indoor side wall part 38 are extended along the longitudinal direction of the ceiling girder 18 (floor girder 20). And the outer wall vertical frame 30 is comprised by joining the outer surface in the bottom wall part 40 of one outer wall frame structural member 34, and the outer surface in the bottom wall part 40 of the other outer wall frame structural member 34. As shown in FIG. The outdoor side wall portion 36 is formed with a fastening hole (not shown) penetrating in the plate thickness direction.

  A plurality of outer wall vertical frames 30 are provided at intervals along the longitudinal direction of the ceiling beam 18 (floor beam 20). And the outer wall horizontal frame 32 is couple | bonded with the edge part 42 of the both sides of the building up-down direction of each outer wall vertical frame 30. As shown in FIG. The outer wall horizontal frame 32 extends from one outer column 16 in the building unit 10 to the other outer column 16 opposite to the outer column 16 and has a substantially L-shaped cross section perpendicular to the longitudinal direction. Has been.

  A hollow non-insulating space 44 is formed in the frame of the outer wall frame 22. The non-insulating space 44 is a space surrounded by the outer wall vertical frame 30, the outer wall horizontal frame 32, the outer wall surface material 14, and the heat insulating material 26.

  An outer wall surface material 14 is provided on the outdoor side of the outer wall frame 22. As an example, the outer wall surface material 14 has a configuration in which a plurality of siding materials formed in a substantially rectangular plate shape are provided, and the indoor side surface 46 of the outer wall surface material 14 is in the outdoor side wall portion 36 of the outer wall vertical frame 30. It is in contact with the outdoor side. A through hole (not shown) penetrating in the plate thickness direction is formed at a position corresponding to the fastening hole of the outdoor side wall portion 36 in the outer wall surface material 14, and the through hole and the fastening hole of the outdoor side wall portion 36 are formed in the through hole. The outer wall surface material 14 is attached to the outer wall frame 22 by inserting and fastening the fastener 48. In addition, while the edge parts which the adjacent outer wall surface material 14 opposes are spaced apart, the sealing material 50 is provided between one edge part and the other edge part.

  An outdoor outlet 52 is attached to the outer wall surface material 14. A through hole (not shown) is formed in the thickness direction in the outer wall surface material 14 to which the outdoor outlet 52 is attached, and the wiring 54 from the outdoor outlet 52 passes through the through hole in the non-insulated space 44. Have been arranged.

  A first holding bracket 58 is coupled to the side surface 56 of the outer column 16. The first holding bracket 58 is formed in a substantially crank shape in the plan view of the building by the column mounting wall portion 60, the extending wall portion 62, and the connecting wall portion 64. Specifically, the column attachment wall portion 60 extends along the side surface 56 of the outer column 16, and the extension wall portion 62 extends in parallel to and away from the column attachment wall portion 60 to the outdoor side. It is extended. Further, the connecting wall portion 64 connects the end portion on the outdoor side of the column mounting wall portion 60 and the end portion on the indoor side of the extending wall portion 62 in the thickness direction of the column mounting wall portion 60.

  A second holding bracket 66 is attached to the extending wall portion 62 of the first holding bracket 58. The second holding bracket 66 is formed in an approximately L shape in a plan view of the building, and one side wall portion 68 is coupled to the outside of the extending wall portion 62 of the first holding bracket 58. The other side wall 70 is in contact with the indoor side surface 46 of the outer wall surface material 14. The other side wall portion 70 is formed with a fastening hole (not shown) penetrating in the thickness direction. A through hole (not shown) penetrating in the plate thickness direction is formed at a position corresponding to the fastening hole of the side wall portion 70 in the outer wall surface material 14, and a fastener is attached to the through hole and the fastening hole of the side wall portion 70. The outer wall surface material 14 is fixed to the outer pillar 16 by inserting and fastening 48.

  On the indoor side of the outer wall frame 22, an inner wall frame 24 is provided apart from the outer wall frame 22. The inner wall frame 24 is formed in a substantially rectangular shape by inner wall vertical frames 74 and 76 extending in the vertical direction of the building and an inner wall horizontal frame 78 (see FIG. 3) extending in the horizontal direction. The inner wall vertical frame 74 is formed by stacking two wooden inner wall frame constituent members 80 as constituent members. Specifically, the inner wall frame constituting member 80 is a rectangular member having a rectangular shape whose longitudinal direction is the wall thickness direction of the outer wall portion 12 in a plan view of the building and extending in the vertical direction of the building. The inner wall vertical frame 74 is configured by joining the side surface 82 of one inner wall frame constituting member 80 and the side surface 82 of the other inner wall frame constituting member 80.

  The inner wall vertical frame 76 disposed at the end in the width direction of the inner wall frame 24 includes an inner wall frame constituent member 80 and an inner wall frame constituent member 86 as a constituent member closer to the outer pillar 16. The inner wall frame constituting member 86 is a square member having a substantially rectangular shape in a plan view of the building and extending in the vertical direction of the building. Then, the side surface 82 of the inner wall frame component member 80 and the inner wall frame component member in a state where the indoor side surface 88 of the inner wall frame component member 80 and the indoor side surface 90 of the inner wall frame component member 86 are arranged on substantially the same plane. The inner wall vertical frame 76 is configured by joining the side surfaces 92 of the 86. That is, since the dimension in the wall thickness direction of the inner wall frame constituting member 86 is set to be shorter than the dimension in the wall thickness direction of the inner wall frame constituting member 80, the space between the inner wall frame constituting member 86 and the outer wall surface material 14 is set. Has been extended. In other words, the outdoor side surface 89 of the inner wall frame constituting member 86 is provided on the indoor side with respect to the outdoor side surface 98 of the inner wall frame constituting member 80.

  A plurality of inner wall vertical frames 74 and 76 are provided at intervals along the longitudinal direction of the ceiling beam 18 (floor beam 20). The inner wall vertical frame 74 is arranged at a position facing the outer wall vertical frame 30. And the inner wall horizontal frame 78 shown by FIG. 3 is couple | bonded with the edge part of the both sides of the building up-down direction of each inner wall vertical frame 74,76. The inner wall lateral frame 78 extends from one outer column 16 in the building unit 10 to the other outer column 16 facing the outer column 16, and a cross section perpendicular to the longitudinal direction is formed in a rectangular shape. Yes.

  An inner wall surface material 28 is attached to the indoor side of the inner wall frame 24. The inner wall surface material 28 is constituted by a gypsum board or the like as an example, and is attached to the inner wall frame 24 by a fastener (not shown).

  A heat insulating material 26 is provided between the outer wall frame 22 and the inner wall frame 24. The heat insulating material 26 is a plate-shaped resin heat insulating material, and is sandwiched between the outer wall frame 22 and the inner wall frame 24. Specifically, it is sandwiched between the indoor side wall portion 38 of the outer wall vertical frame 30, the outdoor side surface 98 of the inner wall vertical frame 74, and the outdoor side surface 89 of the inner wall vertical frame 76. The heat insulating material 26 is disposed at a position where the width direction end portion 100 is opposed to the outer column 16 with a predetermined gap. In addition, a width direction end portion (not shown) opposite to the width direction end portion 100 has the same configuration as the width direction end portion 100.

  An inner heat insulating material 102 is provided on the indoor side of the heat insulating material 26 and inside the inner wall frame 24. The inner heat insulating material 102 is formed in a plate shape, and is disposed so that the outdoor side surface 103 contacts the indoor side surface 27 of the heat insulating material 26. The inner heat insulating material 102 adjacent to the outer column 16 has one width direction end 104 abutting against the side surface 82 of the inner wall vertical frame 74, and the width direction end 104 opposite to the width direction end 104 is the inner wall. The inner wall vertical frame 76 facing the vertical frame 76 is in contact with the side surface 82.

  In the gap between the width direction end portion 100 of the heat insulating material 26 and the outer column 16, a column heat insulating material 106 is provided. The pillar heat insulating material 106 is a fiber heat insulating material, and is formed between the outer pillar 16 and the width direction end portion 100 of the heat insulating material 26 and the inner wall vertical frame 76 of the inner wall frame 24 (the inner wall frame constituting member 86 and the outer It is packed in a space formed between the wall surface material 14). Similarly, the space formed between the outer pillar 16 and the adjacent outer pillar 16 is also packed with the column heat insulating material 107 which is a fiber heat insulating material. In addition, between the outer pillar 16 and the outer wall surface material 14, the pillar part outer side heat insulating material 109 formed in plate shape is provided. Further, between the outer column 16 and the inner wall surface material 28, a columnar inner heat insulating material 111 formed in a plate shape is provided.

  As shown in FIG. 3, a large beam heat insulating material 108 made of a fiber heat insulating material is provided inside the ceiling large beam 18. In addition, a large beam outer heat insulating material 110 having a two-layer structure is provided on the outdoor side of the ceiling beam 18. The large beam outer heat insulating material 110 is provided in contact with the outdoor side surface 19 of the ceiling large beam 18. In the same manner, the floor girder 20 is also provided with a girder heat insulating material 108 and a girder outer heat insulating material 110 in the same manner as the ceiling girder 18.

  A sealing material 84 is attached to the outdoor side surface of the upper end portion 29 of the heat insulating material 26. The sealing material 84 is configured to be in close contact with the indoor side surface at the building inner end portion 113 of the large beam outer heat insulating material 110. Note that a sealing material 84 having the same configuration as that of the sealing material 84 attached to the upper end portion 29 is also attached to a lower end portion (not shown) of the heat insulating material 26.

  A base material 112 is provided under the building of the ceiling beam 18. A ceiling surface material 114 is provided between the base material 112 and the inner wall horizontal frame 78. The ceiling wall material 114 is held between the base material 112 and the inner wall horizontal frame 78 by fixing the inner wall horizontal frame 78 to the base material 112 with a nail or the like (not shown). At the same time, the inner wall frame 24 is fixed to the building unit 10.

(Operation and effect of the first embodiment)
Next, the operation and effect of this embodiment will be described.

  Here, the operation and effect of the present embodiment will be described using the proportionality shown in FIG. In addition, about the same component as this embodiment, the same number is attached | subjected and the description is abbreviate | omitted.

  As shown in FIG. 5, the outer wall panel 200 includes an outer wall surface material 14, an outer wall frame 22, an inner wall frame 24, heat insulating materials 202 and 203, and an inner wall surface material 28.

  A heat insulating material 202 is provided in the frame of the inner wall frame 24. The heat insulating material 202 is a fiber heat insulating material made of glass wool. Further, between the outer wall frame 22 and the inner wall frame 24 facing the outer wall frame 22, a heat insulating material 203 made of a fiber heat insulating material is provided similarly to the heat insulating material 202. Thereby, the heat insulation performance of the outer wall panel 200 is ensured.

  However, the heat insulating material 202 is composed of a fiber heat insulating material. In general, in the case of a heat insulating material made of glass wool, since the outer shape is indefinite, the heat insulating material 202 is embedded inside the inner wall frame 24 so as to fill the space inside the inner wall frame 24 in order to ensure heat insulating performance. It is assumed that the heat insulating material 202 swells inside the inner wall frame 24. Therefore, the heat insulating material 202 may enter the non-insulated space 44 inside the outer wall frame 22. In this case, the non-insulated space 44 may be narrowed and it may be difficult to provide wiring or the like in the non-insulated space 44.

  On the other hand, according to the present embodiment, as shown in FIG. 2, the plate-like heat insulating material 26 is held between the outer wall frame 22 and the inner wall frame 24. That is, since the heat insulating material 26 is formed in a plate shape and the outer shape is constant, the heat insulating material 26 is sandwiched between the outer wall frame 22 and the inner wall frame 24 so that the inside of the outer wall frame 22 The ranges of the inner wall frame 24 and the heat insulating material 26 are clearly separated. Accordingly, since the non-insulated space 44 in the frame of the outer wall frame 22 and the space in the frame of the inner wall frame 24 are secured, the non-insulated space 44 and the space 105 in the frame of the inner wall frame 24 are used as spaces for passing wiring. Can be utilized. Thereby, the space inside the outer wall part 12 can be used for other applications while ensuring the heat insulating performance.

  Further, the end portion 100 in the width direction of the heat insulating material 26 is disposed opposite to the outer column 16 with a predetermined gap therebetween, and the column heat insulating material 106 is provided in this gap. The column portion heat insulating material 106 is made of a material different from the heat insulating material 26 sandwiched between the outer wall frame 22 and the inner wall frame 24. That is, the heat conductivity is different between the heat insulating material 26 and the columnar heat insulating material 106. Therefore, heat conduction between the heat insulating material 26 and the column heat insulating material 106 is suppressed, and the heat insulating performance can be further improved by providing the column heat insulating material 106 in the gap.

  Furthermore, since the space between the inner wall frame constituting member 86 closer to the outer pillar 16 and the outer wall surface member 14 is expanded, a larger amount of the column heat insulating material 106 can be provided in the expanded space. Therefore, the heat insulation performance can be further improved.

  Furthermore, since the inner heat insulating material 102 is provided in the frame of the inner wall frame 24, a heat insulating material is provided on the outer wall portion 12 in addition to the heat insulating material 26 sandwiched between the outer wall frame 22 and the inner wall frame 24. . Therefore, the heat insulation performance can be further improved.

(Second Embodiment)
Next, 2nd Embodiment of the outer wall part heat insulation structure which concerns on this invention is described using FIG. In addition, about the same component as 1st Embodiment mentioned above, the same number is attached | subjected and the description is abbreviate | omitted.

  The outer wall heat insulating structure according to the second embodiment is characterized in that the basic configuration is the same as that of the first embodiment, and the inner heat insulating material 116 is a fiber heat insulating material.

  That is, as shown in FIG. 4, the inner heat insulating material 116 is provided on the indoor side of the heat insulating material 26 and in the frame of the inner wall frame 24. The inner heat insulating material 116 is a fiber heat insulating material such as glass wool, and is disposed so that the outdoor side surface 117 contacts the indoor side surface 27 of the heat insulating material 26. Further, the inner heat insulating material 116 has one width direction end portion 118 in contact with the side surface 82 of one inner wall vertical frame 74 (76), and also has a width direction end portion 118 opposite to the one width direction end portion 118. The inner wall vertical frame 74 (76) is opposed to the side wall 82 of the inner wall vertical frame 74 (76).

(Operation and effect of the second embodiment)
Next, the operation and effect of this embodiment will be described.

  On the other hand, according to the present embodiment, as shown in FIG. 2, the plate-like heat insulating material 26 is held between the outer wall frame 22 and the inner wall frame 24. That is, since the heat insulating material 26 is formed in a plate shape and the outer shape is constant, the heat insulating material 26 is sandwiched between the outer wall frame 22 and the inner wall frame 24 so that the inside of the outer wall frame 22 The ranges of the inner wall frame 24 and the heat insulating material 26 are clearly separated. Therefore, since the non-insulating space 44 in the frame of the outer wall frame 22 is ensured, the non-insulating space 44 can be used as a space for passing wiring. Thereby, the space inside the outer wall part 12 can be used for other applications while ensuring the heat insulating performance.

  Further, the end portion 100 in the width direction of the heat insulating material 26 is disposed opposite to the outer column 16 with a predetermined gap therebetween, and the column heat insulating material 106 is provided in this gap. The column portion heat insulating material 106 is made of a material different from the heat insulating material 26 sandwiched between the outer wall frame 22 and the inner wall frame 24. That is, the heat conductivity is different between the heat insulating material 26 and the columnar heat insulating material 106. Therefore, heat conduction between the heat insulating material 26 and the column heat insulating material 106 is suppressed, and the heat insulating performance can be further improved by providing the column heat insulating material 106 in the gap.

  Furthermore, since the space between the inner wall frame constituting member 86 closer to the outer pillar 16 and the outer wall surface member 14 is expanded, a larger amount of the column heat insulating material 106 can be provided in the expanded space. Therefore, the heat insulation performance can be further improved.

  Furthermore, since the inner heat insulating material 116 is provided in the frame of the inner wall frame 24, the heat insulating material is provided on the outer wall portion 12 in addition to the heat insulating material 26 sandwiched between the outer wall frame 22 and the inner wall frame 24. . Therefore, the heat insulation performance can be further improved.

  In the first embodiment and the second embodiment described above, the heat insulating material 26 is a resin heat insulating material. However, the present invention is not limited to this, and other materials such as a fiber heat insulating material may be used as long as they are formed in a plate shape. It may be comprised.

  The embodiment of the present invention has been described above, but the present invention is not limited to the above, and various modifications other than those described above can be implemented without departing from the spirit of the present invention. Of course.

10 Building unit 16 Outer pillar (pillar)
22 outer wall frame 24 inner wall frame 26 heat insulating material 30 outer wall vertical frame 32 outer wall horizontal frame 44 non-insulating space 74 inner wall vertical frame 76 inner wall vertical frame 78 inner wall horizontal frame 80 inner wall frame component (component of inner wall vertical frame)
86 Inner wall frame component (component of inner wall vertical frame)
100 End 102 in the width direction Inner heat insulating material 116 Inner heat insulating material

Claims (5)

A rectangular shape that is provided between the pillars of the building unit and has a hollow non-insulated space in the frame with a vertical frame of the outer wall extending in the vertical direction of the building and a horizontal frame of the outer wall extending in the horizontal direction. An outer wall frame formed on,
An inner wall frame formed in a rectangular shape with an inner wall vertical frame extending in the vertical direction of the building and an inner wall horizontal frame extending in the horizontal direction while being spaced apart on the indoor side of the outer wall frame,
A heat insulating material provided between the outer wall frame and the inner wall frame, formed in a plate shape, and sandwiched between the outer wall frame and the inner wall frame;
An outer wall heat insulating structure having The end in the width direction of the heat insulating material is disposed to face each other with a predetermined gap between the pillars,
The outer wall insulating structure according to claim 1. The gap is provided with a column heat insulating material made of a material different from the heat insulating material,
The outer wall insulating structure according to claim 2. The inner wall vertical frame of the inner wall frame is configured by stacking a plurality of constituent members, and the dimension in the wall thickness direction of the constituent member closer to the pillar among the plurality of constituent members adjacent to the pillar is the By setting it shorter than the dimension in the wall thickness direction of the component member farther from the column, the space between the component member closer to the column and the outer wall surface material is expanded.
The outer wall insulating structure according to claim 3. Inside the heat insulating material and inside the frame of the inner wall frame, an inner heat insulating material is provided,
The outer wall part heat insulation structure as described in any one of Claims 1-4.

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