JP6463322B2 - Panel unit and curtain wall provided with the same - Google Patents

Description

  The present invention relates to a panel unit and a curtain wall including the panel unit.

  Patent Document 1 describes a curtain wall in which a window glass and a fireproof board are arranged in this order from the outdoor side in a lattice frame. The fireproof board is formed of a fiber mixed calcium silicate board or the like.

JP 2011-190614 A

  In the conventional curtain wall described above, since the fireproof board is formed of a fiber-mixed calcium silicate board or the like, moisture easily passes through the fireproof board. For this reason, the conventional curtain wall has a problem in that indoor moisture passes through the fireproof board and condensation is likely to occur on the window glass.

  In view of the above circumstances, when the present invention is used as a panel constituting the indoor side portion of a curtain wall, for example, the panel constituting the outdoor side portion of the curtain wall is unlikely to cause condensation and is easy to manufacture. And it aims at providing a curtain wall provided with the same.

  The panel unit of one mode concerning the present invention is provided with a plurality of heat insulation panels arranged up and down.

  Each of the plurality of heat insulation panels includes a first metal skin, a second metal skin located on the indoor side of the first metal skin, and a heat insulation located between the first metal skin and the second metal skin. A sandwich panel having a material.

  The first metal skin includes a first main body portion attached to the outdoor side surface of the heat insulating material, a first upper piece portion extending from the upper edge of the first main body portion to the indoor side, and the first main body portion. A first lower piece extending from the lower edge to the indoor side.

  The second metal skin includes a second main body portion attached to the indoor side surface of the heat insulating material, a second upper piece portion extending from the upper edge of the second main body portion to the outdoor side, and the second main body portion. A second lower piece extending from the lower edge to the outdoor side.

  Among the plurality of heat insulation panels, two heat insulation panels adjacent in the vertical direction are in a state where the first lower piece portion of the upper heat insulation panel and the first upper piece portion of the lower heat insulation panel have hit, A gap is formed between the second lower piece of the upper heat insulation panel and the second upper piece of the lower heat insulation panel.

  The curtain wall of 1 aspect which concerns on this invention is equipped with the said panel unit, the decorative panel located in the outdoor side of the said panel unit, and the frame which hold | maintains the said panel unit and the said decorative panel.

  In the present invention, for example, when used as a panel constituting the indoor side portion of the curtain wall, the panel constituting the outdoor side portion of the curtain wall is less likely to cause condensation, and the panel unit is easily manufactured. Curtain walls can be provided.

FIG. 1 is a perspective view showing a panel unit according to Embodiment 1 of the present invention. 2A is a cross-sectional view taken along line AA in FIG. 1, FIG. 2B is an enlarged view of a portion B in FIG. 2A, and FIG. 2C is a cross-sectional view taken along line CC in FIG. FIG. 3 is a side sectional view showing an example of a curtain wall mounting structure provided with the panel unit same as above. FIG. 4 is a plan sectional view showing the curtain wall mounting structure. FIG. 5A is a front view showing an example of a building in which the curtain wall is installed, and FIG. 5B is a cross-sectional view taken along the line DD in FIG. 5A.

(Panel unit)
1 and 2A to C show a panel unit 3 according to Embodiment 1 of the present invention. The panel unit 3 is used as a panel constituting a part of the curtain wall 1, for example, as shown in FIG. The curtain wall 1 is used as a wall that constitutes a part other than a window among the outer walls of a building or the like.

  In the following, based on the state in which the curtain wall 1 shown in FIG. 3 is attached to the housing 10 of the building, the side where the curtain wall 1 is located with respect to the housing 10 is the outdoor side, and the opposite side is the indoor side. Each configuration will be described with the direction orthogonal to the outdoor side and the indoor side as the left-right direction when viewed. In each figure, the direction indicated by arrow X is the outdoor side, the direction indicated by arrow Y is the right side, and the direction indicated by arrow Z is the upper side.

  First, each member constituting the panel unit 3 will be described in detail.

  As shown in FIG. 1 and FIGS. 2A to 2C, the panel unit 3 includes a plurality of (three in this embodiment) heat insulation panels 2 arranged in the vertical direction. The plurality of heat insulating panels 2 have the same structure.

  Each of the plurality of heat insulation panels 2 is positioned between the first metal skin 6, the second metal skin 7 located on the indoor side of the first metal skin 6, and the first metal skin 6 and the second metal skin 7. It is a sandwich panel which has the heat insulating material 8 to do.

  The metal shells 6 and 7 are provided by processing a metal plate by roll forming or the like. As the metal plate, galvanized steel plate, Galvalume steel plate (registered trademark), SGL (registered trademark) steel plate, painted steel plate, or the like is used. The plate | board thickness of the metal outer skins 6 and 7 is mutually the same, for example, is 0.3-1.5 mm.

  The first metal shell 6 is a rectangular box shape that opens toward the indoor side. Specifically, the first metal skin 6 includes a first main body portion 60 attached to the surface of the heat insulating material 8 on the outdoor side, a first upper piece portion 61 extending from the upper edge of the first main body portion 60 to the indoor side, The first lower piece 62 extends from the lower edge of the main body 60 toward the indoor side. The first metal shell 6 further includes a first side piece 63 extending from the left and right edges of the first main body 60 to the indoor side. With respect to the first main body 60, each of the first upper piece 61, the first lower piece 62, and the pair of first side pieces 63 is substantially perpendicular.

  The second metal skin 7 is a rectangular box shape that opens toward the outdoor side. Specifically, the second metal skin 7 includes a second main body portion 70 attached to the indoor side surface of the heat insulating material 8, a second upper piece portion 71 extending from the upper edge of the second main body portion 70 to the outdoor side, The second main body portion 70 has a second lower piece portion 72 extending from the lower edge to the outdoor side. The second metal shell 7 further has a second side piece portion 73 extending from the left and right edges of the second main body portion 70 to the outdoor side. With respect to the second main body portion 70, each of the second upper piece portion 71, the second lower piece portion 72, and the pair of second side piece portions 73 is substantially perpendicular.

  As shown in FIG. 2B, of the plurality of heat insulation panels 2, two heat insulation panels 2 adjacent in the vertical direction are the first lower piece 62 of the upper heat insulation panel 2 and the first upper part of the lower heat insulation panel 2. A configuration in which a gap 9 is formed between the second lower piece 72 of the upper heat insulation panel 2 and the second upper piece 71 of the lower heat insulation panel 2 in a state where the piece 61 is in contact with it. Has been.

  In the present embodiment, each heat insulating panel 2 has a vertical distance L1 between the upper surface of the first upper piece portion 61 and the lower surface of the first lower piece portion 62 of the first metal skin 6 so that the second metal skin 7 It is longer than the vertical distance L2 between the upper surface of the second upper piece 71 and the lower surface of the second lower piece 72. The difference between the distance L1 and the distance L2 is, for example, 3.0 mm.

  In each heat insulating panel 2, the vertical distance L3 between the upper surface of the first upper piece portion 61 of the first metal skin 6 and the upper surface of the second upper piece portion 71 of the second metal skin 7, and the first metal skin 6 The distance L4 in the vertical direction between the lower surface of the first lower piece portion 62 and the lower surface of the second lower piece portion 72 of the second metal shell 7 is the same length. The upper surface of the first upper piece portion 61 is located above the upper surface of the second upper piece portion 71, and the lower surface of the first lower piece portion 62 is located below the lower surface of the second lower piece portion 72. The distances L3 and L4 may be different from each other.

  In the present embodiment, the first metal skin 6 is attached to the heat insulating material 8 so that the vertical and horizontal centers of the first main body 60 overlap the vertical and horizontal centers of the outdoor side surface of the heat insulating material 8. It is attached. The second metal skin 7 is attached to the heat insulating material 8 so that the vertical and horizontal centers of the second main body 70 overlap the vertical and horizontal centers of the indoor side surface of the heat insulating material 8.

  As shown in FIG. 2C, in each heat insulation panel 2, the right side first piece 63 and the right side second piece 73 have the same left-right position, and the left first side piece 63 and The left and right positions of the second side piece 73 on the left are the same.

  The overall shape of the heat insulating material 8 is a rectangular plate shape. In the present embodiment, the heat insulating material 8 is formed by arranging a plurality of block bodies formed by solidifying fibrous inorganic materials such as rock wool and glass wool with a binder or the like in a single plate shape. The vertical length of the heat insulating material 8 is the same as or slightly shorter than the vertical length of the second main body portion 70 of the second metal shell 7.

  The first body 60 of the first metal shell 6 is attached to the surface facing the outdoor side of the heat insulating material 8 via an adhesive, and the second metal is bonded to the surface facing the indoor side of the heat insulating material 8 via an adhesive. A second main body portion 70 of the outer skin 7 is attached.

  In the panel unit 3, the first lower piece 62 of the uppermost thermal insulation panel 2 and the first upper piece 61 of the second thermal insulation panel 2 from the top are in contact, and the second of the uppermost thermal insulation panel 2. A gap 9 is formed between the lower piece 72 and the second upper piece 71 of the second heat insulation panel 2 from the top. Moreover, in the panel unit 3, the 1st lower piece part 62 of the 2nd heat insulation panel 2 from the top and the 1st upper piece 61 of the lowest heat insulation panel 2 contact | win, and the 2nd heat insulation panel 2 from the top A gap 9 is formed between the second lower piece 72 and the second upper piece 71 of the lowermost heat insulating panel 2.

  The panel unit 3 further includes a contact plate 13 attached so as to cover the second main body portion 70 of the upper heat insulating panel 2 and the second main body portion 70 of the lower heat insulating panel 2. The contact plate 13 is a member for closing the gap 9. In the present embodiment, the panel unit 3 includes two contact plates 13. The two contact plates 13 have the same shape and dimensions.

  The contact plate 13 is provided by processing a metal plate by roll forming or the like. As the metal plate, galvanized steel plate, Galvalume steel plate (registered trademark), SGL (registered trademark) steel plate, painted steel plate, or the like is used. The plate thickness of the contact plate 13 is, for example, 0.8 mm.

  The overall shape of the backing plate 13 is substantially rectangular, and the left and right lengths of the backing plate 13 are slightly shorter than the left and right lengths of the heat insulating panel 2. The backing plate 13 includes a rectangular plate-shaped main body 130, an upper folded piece 131 that is folded back from the upper edge of the main body 130 along the outdoor side surface of the upper half of the main body 130, and the main body 130. A lower folded piece 132 folded from the lower edge along the outdoor side surface of the lower half of the main body 130. The lower end of the upper folded piece 131 and the upper end of the lower folded piece 132 are separated in the vertical direction.

  In the abutting plate 13, the portion where the main body 130 and the upper folded piece 131 overlap is a fixture 15 such as a screw, and the lower end of the second main body 70 of the upper heat insulating panel 2 and the heat insulating material 8 on the outdoor side thereof. Fixed. Here, the contact plate 13 is fixed to the remaining portion of the second main body portion 70 of the upper heat insulating panel 2 except for the left and right end portions in the left-right direction.

  Further, in the abutting plate 13, the portion where the main body 130 and the piece 131 folded back are overlapped with a fixing tool 15 such as a screw, and the upper end of the second main body 70 of the lower heat insulating panel 2 and the heat insulation on the outdoor side thereof. It is fixed to the material 8. Here, the contact plate 13 is fixed to the remaining portion of the second main body portion 70 of the lower heat insulating panel 2 except for the left and right end portions in the left-right direction. The backing plate 13 connects the two heat insulating panels 2 arranged vertically.

  The panel unit 3 further includes a plate-like seal member 14 disposed so as to extend over the second main body portion 70 of the upper heat insulating panel 2 and the second main body portion 70 of the lower heat insulating panel 2. The left and right length of the seal member 14 is substantially the same as the left and right length of the backing plate 13. The seal member 14 is a central portion in the vertical direction of the outdoor side surface of the main body 130 of the backing plate 13 (that is, a portion between the upper folded piece 131 and the lower folded piece 132 in the outdoor side surface of the main body 130. ) And used. The seal member 14 is made of, for example, ethylene propylene diene rubber (EPDM).

  Then, an example of the manufacturing method of the panel unit 3 is demonstrated in detail.

  The panel unit 3 is manufactured in a lying posture in which its thickness direction is parallel to the vertical direction. Below, it demonstrates on the basis of the direction of a lying posture. In the lying down panel unit 3, the first metal shell 6 is positioned below the second metal shell 7, and the three heat insulating panels 2 are positioned side by side in the front-rear direction. Below, the three heat insulation panels 2 are demonstrated as the 1st panel P1, the 2nd panel P2, and the 3rd panel P3 in order from the one located in an upper side in a standing posture.

  First, the third panel P3 is arranged in a lying posture, and the second panel P2 is arranged in a lying posture in front of the third panel P3. The second panel P2 is arranged so that the first lower piece 62 of the second panel P2 is in contact (surface contact) with the first upper piece 61 of the third panel P3 (that is, adjacent ends of the panels P2 and P3). Butt parts together). At this time, a gap 9 is formed between the second upper piece 71 of the third panel P3 and the second lower piece 72 of the second panel P2.

  Next, the first panel P1 is placed in a lying posture in front of the second panel P2. The first panel P1 is arranged so that the first lower piece 62 of the first panel P1 is in contact (surface contact) with the first upper piece 61 of the second panel P2 (that is, adjacent ends of the panels P1 and P2). Butt parts together). At this time, a gap 9 is formed between the second upper piece 71 of the second panel P2 and the second lower piece 72 of the first panel P1.

  Next, the contact plate 13 with the seal member 14 is disposed so as to extend over the front end portion of the upper surface of the second main body portion 70 of the third panel P3 and the rear end portion of the upper surface of the second main body portion 70 of the second panel P2. To do.

  Next, the fixture 15 is screwed into the rear end portion (the portion where the main body portion 130 and the lower folded piece 132 overlap) of the contact plate 13 from above, and the rear end portion of the contact plate 13 is connected to the third panel P3. The two main body portions 70 are fixed. At this time, the fixture 15 is screwed into the heat insulating material 8.

  Next, the fixture 15 is screwed into the front end portion (the portion where the main body portion 130 and the upper folded piece 131 overlap) of the backing plate 13 from above, and the front end portion of the backing plate 13 is used as the second main body of the second panel P2. It fixes to the part 70. At this time, the fixture 15 is screwed into the heat insulating material 8. Thereby, the panels P2 and P3 are integrally connected via the contact plate 13.

  In a state where the panels P2 and P3 are connected, the seal member 14 is in close contact with the main body 130 of the backing plate 13 and the second main body 70 of the panels P2 and P3, and the gap 9 is in contact with the seal member 14. Blocked by the plate 13. The lower surfaces of the first main body portions 60 of the panels P2 and P3 are substantially flush with each other, and the upper surfaces of the second main body portions 70 of the panels P2 and P3 are substantially flush with each other.

  Next, the panels P1 and P2 are connected in the same manner as the connection of the panels P2 and P3 described above. In addition, the description about the connection method of panel P1, P2 is abbreviate | omitted.

  In a state where the panels P1 and P2 are connected, the seal member 14 is in close contact with the main body 130 of the backing plate 13 and the second main body 70 of the panels P1 and P2, and the gap 9 is in contact with the seal member 14. Blocked by the plate 13. The lower surfaces of the first body portions 60 of the panels P1 and P2 are substantially flush with each other, and the upper surfaces of the second body portions 70 of the panels P1 and P2 are substantially flush with each other.

  As described above, the panels P1, P2, and P3 are integrally connected through the contact plate 13, whereby the panel unit 3 shown in FIG. 1 is manufactured.

  In the panel unit 3 of the present embodiment described above, each of the plurality of heat insulating panels 2 arranged vertically is a sandwich panel having the metal skins 6 and 7 and the heat insulating material 8 positioned therebetween, so that moisture is difficult to pass through. . Therefore, when the panel unit 3 of the present embodiment is used as a panel constituting the indoor side portion of the curtain wall 1, dew condensation hardly occurs on the panel constituting the outdoor side portion of the curtain wall 1.

  Moreover, when the panel unit 3 of this embodiment butt | matches the adjacent edge parts of the some heat insulation panel 2, the clearance gap which opens toward the outdoor side is not formed in any butt | matching place, but every butt | matching place Since the joints formed in the top and bottom have the same vertical width, the appearance is uniform and looks good. Therefore, the panel unit 3 of the present embodiment is a panel having joints with the same vertical width and high design properties.

  Temporarily, two heat insulation panels 2 adjacent to the upper and lower sides contact the first lower piece 62 of the upper heat insulation panel 2 and the first upper piece 61 of the lower heat insulation panel 2 and the upper heat insulation panel 2. When the second lower piece 72 and the second upper piece 71 of the lower heat insulation panel 2 are in contact with each other, manufacturing errors of the metal outer skins 6 and 7 and the attachment of the metal outer skins 6 and 7 to the heat insulating material 8 are performed. Due to misalignment, etc., gaps that open toward the outdoor side are easily formed at the abutting locations of the heat insulating panels 2, the vertical widths of the joints formed at each abutting location are different from each other, and the appearance is uneven and looks good Tends to get worse.

  Moreover, in the panel unit 3 of this embodiment, since the vertical width of the joint formed for every butt | matching location can be made the same mutually only by abutting the adjacent edge parts of the some heat insulation panel 2, each, Assembling is easy because there is no need to separately perform construction for adjusting the vertical width of the joint.

  Moreover, in the panel unit 3 of this embodiment, since the gap 9 that opens toward the indoor side is closed by the contact plate 13, it is possible to suppress a decrease in the heat insulating properties of the butted portions of the heat insulating panels 2.

  Moreover, in the panel unit 3 of this embodiment, since the contact plate 13 connects the upper and lower heat insulation panels 2, the first lower piece 62 of the upper heat insulation panel 2 and the first upper piece of the lower heat insulation panel 2. It is easy to maintain a form in which no gap is formed between the two.

  Moreover, since the panel unit 3 of this embodiment is comprised by the combination of the some heat insulation panel 2, it can be manufactured by the dimension larger than the manufacture largest dimension of the sheet | seat insulation panel 2, and curtain wall of various sizes 1 can be supported.

(curtain wall)
Then, the curtain wall 1 provided with the panel unit 3 mentioned above is demonstrated in detail.

  As shown in FIGS. 3 and 4, the curtain wall 1 includes a panel unit 3, a decorative panel 4 positioned on the outdoor side of the panel unit 3, and a frame 5 that holds the panel unit 3 and the decorative panel 4.

  The curtain wall 1 is a substantially rectangular plate-like wall material whose overall shape is long in the vertical direction (see FIGS. 5A and 5B). The vertical length of the curtain wall 1 is substantially the same as the floor height of the building (the height from the floor surface of the installation destination floor to the floor surface of the floor above it). The decorative panel 4 is a transparent glass plate. The frame 5 is made of aluminum, for example.

  The frame 5 includes a pair of left and right vertical frame members (standing) 52 and a pair of upper and lower horizontal frame members (unfinished) 53. The pair of left and right vertical frame members 52 and the pair of upper and lower horizontal frame members 53 are integrally provided so as to form a substantially rectangular frame shape.

  The frame 5 further includes a pair of left and right vertical guide frames 54 attached to each vertical frame member 52 and a pair of upper and lower horizontal guide frames 55 attached to each horizontal frame member 53.

  Each vertical guide frame 54 is a portion that holds the panel unit 3, and is attached to a portion of each vertical frame member 52 facing the inside of the frame on the indoor side with a fixing tool such as a screw. Each vertical guide frame 54 is a member having a half-angled cylindrical shape (a U-shaped cross section) that is long in the vertical direction. Each vertical guide frame 54 includes a bottom wall 540 that is fixed to the vertical frame member 52, and a support wall 541 that protrudes substantially vertically from each of an end portion on the outdoor side and an end portion on the indoor side of the bottom wall 540.

  Each horizontal guide frame 55 is a portion that holds the panel unit 3, and is attached to a portion of each horizontal frame member 53 that faces the inside of the frame on the indoor side. Each horizontal guide frame 55 is a half-square cylindrical member (plane cross-sectional U shape) that is long in the left-right direction. Each lateral guide frame 55 has a bottom wall 550 fixed to the lateral frame member 53, and a support wall 551 that protrudes substantially perpendicularly from each of an outdoor side end portion and an indoor side end portion of the bottom wall 550.

  The peripheral edge of the decorative panel 4 is held by a portion on the outdoor side of the frame 5 via the gasket 40, and the peripheral edge of the panel unit 3 is interposed via a pair of left and right vertical guide frames 54 and a pair of upper and lower horizontal guide frames 55. It is held on the indoor side of the frame 5. The left and right ends of the panel unit 3 are sandwiched and held by a pair of support walls 541 of each vertical guide frame 54 so that a gap is formed between the bottom wall 540 of each vertical guide frame 54. The upper and lower ends of the panel unit 3 are sandwiched and held by a pair of support walls 551 of each lateral guide frame 55 so that a gap is formed between the bottom wall 550 of each lateral guide frame 55. Thereby, the panel unit 3 can swing when an interlayer displacement occurs due to an earthquake or the like, and is not easily damaged.

  Then, an example of the attachment structure of the curtain wall 1 is demonstrated.

  The mounting bracket 16 is fixed to each upper end portion of the pair of left and right vertical frame members 52 of the curtain wall 1 with a fixing tool such as a bolt. A mounting bracket 17 having an L shape in a side view is fixed to the building frame 10 (the beam in the present embodiment) with a fixing tool such as a bolt. The mounting bracket 16 fixed to the curtain wall 1 is fixed to the mounting bracket 17 with a fixing tool 18 such as a bolt while being hooked on the mounting bracket 17 fixed to the housing 10. Thereby, the curtain wall 1 is attached to the housing 10. Each of the mounting brackets 16 and 17 is made of steel, for example.

  The curtain wall 1 of the present embodiment described above uses the panel unit 3 formed of a sandwich panel in which a core material is sandwiched between metal outer skins as a panel disposed on the indoor side of the decorative panel 4. Therefore, in the curtain wall 1 of the present embodiment, moisture is less likely to pass through the indoor panel, and condensation is unlikely to occur on the decorative panel 4.

  Further, the curtain wall 1 of the present embodiment has a good appearance because the appearance of the panel unit 3 seen through the decorative panel 4 is uniform.

  Moreover, in the curtain wall 1 of this embodiment, since the gap 9 formed at the abutting portion between the plurality of heat insulating panels 2 constituting the panel unit 3 is closed by the contact plate 13, rainwater and the like are thermally insulated through the gap 9. Intrusion into the panel 2 can be prevented.

  Then, an example of the building 100 provided with the curtain wall 1 of this embodiment shown to FIG. 5A and B is demonstrated.

  The building 100 includes a glass curtain wall 101 in addition to the curtain wall 1 of the present embodiment. The glass curtain wall 101 has a structure similar to that of the curtain wall 1 and includes a glass panel instead of the panel unit 3. Each of the curtain wall 1 and the glass curtain wall 101 may have a ventilation opening 102 in a part in the vertical direction, as shown in FIGS. 5A and 5B.

  Each of the curtain wall 1 and the glass curtain wall 101 is fixed to the housing 10 of the building 100 via, for example, mounting brackets 16 and 17 shown in FIGS.

  In the building 100, a plurality of curtain walls 1 and a plurality of glass curtain walls 101 are installed so as to be arranged vertically and horizontally in accordance with the application. Each glass curtain wall 101 is used as an outer wall constituting a window portion, and each curtain wall 1 is used as an outer wall of an unnecessary section of a window such as a toilet room.

(Example of change)
Then, the example of a change of the panel unit 3 and curtain wall 1 of Embodiment 1 mentioned above is demonstrated.

  The panel unit 3 may include two or four or more heat insulating panels 2 arranged vertically.

  Among the plurality of heat insulating panels 2 constituting the panel unit 3, the upper and lower positions of the first upper piece 61 and the second upper piece 71 may be the same in the uppermost heat insulating panel 2, The two upper piece portions 71 may be positioned above the first upper piece portion 61. Moreover, in the lowest heat insulation panel 2, the vertical position of the 1st lower piece part 62 and the 2nd lower piece part 72 may mutually be the same, and the 2nd lower piece part 72 is the 1st lower piece part 62. It may be located below.

  As for each heat insulation panel 2, the left-right position of the 1st side piece part 63 and the 2nd side piece part 73 may mutually differ.

  The heat insulating material 8 may be a plate-like member formed of a resin foam material such as urethane foam or phenol foam.

  The panel unit 3 does not need to include the backing plate 13, and the first lower piece 62 of the upper heat insulation panel 2 and the first upper piece 61 of the lower heat insulation panel 2 are in contact with each other by other methods. May be maintained.

  The panel unit 3 may be configured such that all of the plurality of gaps 9 are covered by a single backing plate 13.

  The decorative panel 4 may be a translucent or opaque glass plate, and is not limited to a glass plate, but may be a resin panel, a metal panel, a concrete panel, or the like. The material and shape of the panel used as the decorative panel 4 can be selected as appropriate based on the design of the building.

  The vertical length of the curtain wall 1 may be shorter than the floor height.

  The panel unit 3 is not limited to use as a panel constituting the indoor side portion of the curtain wall 1 but may be used as a panel that requires other heat insulation properties. For example, the panel unit 3 may be used as an interior panel.

(effect)
The panel unit 3 of the 1st aspect which concerns on this invention is equipped with the following 1st structure like the panel unit 3 of Embodiment 1 mentioned above, It is characterized by the above-mentioned.

  That is, the panel unit 3 of the first aspect includes a plurality of heat insulating panels 2 arranged vertically.

  Each of the plurality of heat insulation panels 2 is positioned between the first metal skin 6, the second metal skin 7 located on the indoor side of the first metal skin 6, and the first metal skin 6 and the second metal skin 7. It is a sandwich panel which has the heat insulating material 8 to do.

  The first metal skin 6 includes a first main body portion 60 attached to the surface of the heat insulating material 8 on the outdoor side, a first upper piece portion 61 extending from the upper edge of the first main body portion 60 to the indoor side, and a first main body portion. 60, and a first lower piece 62 extending from the lower edge to the indoor side.

  The second metal skin 7 includes a second main body portion 70 attached to the indoor side surface of the heat insulating material 8, a second upper piece portion 71 extending from the upper edge of the second main body portion 70 to the outdoor side, and a second main body portion. 70 and a second lower piece 72 extending from the lower edge to the outdoor side.

  Of the plurality of heat insulation panels 2, the two heat insulation panels 2 adjacent to each other hit the first lower piece 62 of the upper heat insulation panel 2 and the first upper piece 61 of the lower heat insulation panel 2. In this state, a gap 9 is formed between the second lower piece 72 of the upper heat insulation panel 2 and the second upper piece 71 of the lower heat insulation panel 2.

  As in the first configuration described above, in the panel unit 3 according to the first aspect, each of the plurality of heat insulating panels 2 arranged in the vertical direction has the metal skins 6 and 7 and the heat insulating material 8 positioned therebetween. It is. Therefore, in the panel unit 3 of the first aspect, for example, when used as a panel constituting the indoor side portion of the curtain wall 1, moisture does not easily pass through, and the panel constituting the outdoor side portion of the curtain wall 1 (makeup) Condensation hardly occurs on panel 4).

  Moreover, in the panel unit 3 of the first aspect, in a state where the adjacent end portions of the plurality of heat insulating panels 2 are abutted with each other, a gap that opens toward the outdoor side is not formed at any of the abutting portions, and is uniform. Easy to manufacture with a good appearance.

  Moreover, in the panel unit 3 of the 2nd aspect which concerns on this invention, it is provided with the following 2nd structure in addition to said 1st structure like the panel unit 3 of Embodiment 1 mentioned above. And

  That is, the panel unit 3 according to the second aspect further includes a contact plate 13 attached so as to extend over the second main body portion 70 of the upper heat insulating panel 2 and the second main body portion 70 of the lower heat insulating panel 2. The contact plate 13 closes the gap 9.

  By providing said 2nd structure, in the panel unit 3 of a 2nd aspect, between the 2nd lower piece part 72 of the upper heat insulation panel 2, and the 2nd upper piece part 71 of the lower heat insulation panel 2 By closing the gap 9 formed in the plate with the contact plate 13, it is possible to suppress a decrease in heat insulation.

  Moreover, the curtain wall 1 of the 1st aspect which concerns on this invention is equipped with the following 3rd structure like the curtain wall 1 of Embodiment 1 mentioned above, It is characterized by the above-mentioned.

  That is, the curtain wall 1 according to the first aspect includes the panel unit 3 according to the first or second aspect, the decorative panel 4 positioned on the outdoor side of the panel unit 3, and the frame that holds the panel unit 3 and the decorative panel 4. 5.

  By providing the third configuration described above, in the curtain wall 1 of the first aspect, moisture does not easily pass through the panel unit 3 constituting the indoor side portion of the curtain wall 1, and the outdoor side portion of the curtain wall 1 Condensation is unlikely to occur on the decorative panel 4 constituting the.

  Moreover, in the curtain wall 1 of the first aspect, when a transparent panel such as a glass plate is used as the decorative panel 4, the appearance of the panel unit 3 that can be seen through the decorative panel 4 is uniform. .

  Although the present invention has been described based on the embodiments shown in the accompanying drawings, the present invention is not limited to the above-described embodiments, and appropriate design changes can be made within the intended scope of the present invention. It is.

DESCRIPTION OF SYMBOLS 1 Curtain wall 2 Thermal insulation panel 3 Panel unit 4 Decorative panel 5 Frame 6 1st metal shell 60 1st main body part 61 1st upper piece part 62 1st lower piece part 7 2nd metal skin 70 2nd main body part 71 2nd upper Piece 72 second lower piece 8 heat insulating material 9 gap 13 contact plate

Claims (3)

It has a plurality of heat insulation panels lined up and down,
Each of the plurality of heat insulation panels includes a first metal skin, a second metal skin located on the indoor side of the first metal skin, and a heat insulation located between the first metal skin and the second metal skin. A sandwich panel having a material,
The first metal skin includes a first main body portion attached to the outdoor side surface of the heat insulating material, a first upper piece portion extending from the upper edge of the first main body portion to the indoor side, and the first main body portion. A first lower piece extending from the lower edge to the indoor side,
The second metal skin includes a second main body portion attached to the indoor side surface of the heat insulating material, a second upper piece portion extending from the upper edge of the second main body portion to the outdoor side, and the second main body portion. A second lower piece extending from the lower edge to the outdoor side,
Among the plurality of heat insulation panels, two heat insulation panels adjacent in the vertical direction are
In a state where the first lower piece portion of the upper heat insulation panel and the first upper piece portion of the lower heat insulation panel have hit, the second lower piece portion of the upper heat insulation panel, and the lower A panel unit, characterized in that a gap is formed between the second upper piece of the heat insulating panel. A pad that is attached so as to span the second main body portion of the upper heat insulation panel and the second main body portion of the lower heat insulation panel;
The panel unit according to claim 1, wherein the contact plate closes the gap. The panel unit according to claim 1 or 2,
A decorative panel located on the outdoor side of the panel unit;
A curtain wall comprising the panel unit and a frame for holding the decorative panel.

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