Curtain Wall Unit

Abstract

To secure a water tightness of a curtain wall unit having a panel body at a lumbar part without being affected by a configuration of a window unit provided at a window part of the curtain wall unit.SOLUTION: A curtain wall unit 2 comprises: a body frame 3 which is a base unit having a panel body 3C fixed thereto; a window unit 9 fitted to the body frame 3; and a barrier material arranged along an outer peripheral part of the body frame 3. The body frame 3 has upper and lower horizontal frame materials 4, 5, right and left vertical frame materials and an intermediate frame material 8 between the upper and lower horizontal frame materials 4, 5, and divides a window part 2A and a lumbar part 2B. The panel body 3C is fixed to the body frame 3 at the lumbar part 2B. The window unit 9 has a frame body 20 enclosing a window panel body 9A and fitted to the body frame 3, and is arranged at an outdoor side than the barrier material and at an outdoor side of the body frame 3 and is fitted to the body frame 3 at the window part 2A.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to a curtain wall unit that is attached to the skeleton of a building. [Background technology]

[0002] In a curtain wall comprising multiple curtain wall units, the curtain wall units are attached to the building's framework and installed side by side on the building's wall. An equal-pressure space that is equal to the outdoor pressure is formed between adjacent curtain wall units, ensuring watertightness. Conventionally, a curtain wall unit has been known that comprises a frame fixed to the building's framework and panel units attached to the frame (see Patent Document 1).

[0003] In the conventional curtain wall unit described in Patent Document 1, the panel unit is a window unit having glass held in a retaining frame. Furthermore, between adjacent curtain wall units, the interior side is sealed by a wind barrier, and the exterior side is sealed by a rain barrier. However, in conventional curtain wall units, to ensure watertightness, it is necessary to provide the rain barrier on the panel unit on the exterior side of the mating portion between adjacent curtain wall units. Therefore, there is a risk that the configuration of the panel unit may be limited to prevent any adverse effects on the watertightness of the curtain wall unit. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Patent No. 3078174 Summary of the Invention [Problem to be solved by the invention]

[0005] The present invention has been developed in consideration of the above-mentioned conventional problems, and its purpose is to ensure the watertightness of a curtain wall unit having a panel body at the waist, without being affected by the configuration of the window unit installed in the window section of the curtain wall unit. [Means for solving the problem]

[0006] The present invention provides a curtain wall unit that is attached to the skeleton of a building, a main body frame that is a base unit to which a panel body is fixed and which is fixed to the main body; a window unit attached to the main body frame; a barrier material disposed along the outer periphery of the main body frame, The main body frame has upper and lower horizontal frame members, left and right vertical frame members, and intermediate frame members extending along the left-right direction between the upper and lower horizontal frame members, and defines a window section and a waist section, The panel body is fixed to the main body frame at the waist portion, the window unit has a window panel body and a frame body that surrounds the window panel body and is attached to the main body frame, and is attached to the main body frame while being disposed on the outdoor side of the barrier material and the outdoor side of the main body frame in the window portion, The frame body has upper and lower horizontal frames and left and right vertical frames whose ends are connected to each other, The window panel body is attached to groove-shaped attachment portions on the exterior side of the upper and lower horizontal frames and the left and right vertical frames, and is fixed to the frame body. 、 The panel body is attached to the upper first horizontal frame member of the upper and lower horizontal frame members, the left and right vertical frame members, and the intermediate frame member, The window unit is disposed on the outdoor side of an opening formed by a second lower horizontal frame member of the upper and lower horizontal frame members, the left and right vertical frame members, and the intermediate frame member, and the frame body is attached to the respective mounting portions of the second horizontal frame member, the left and right vertical frame members, and the intermediate frame member, The second horizontal frame member and the intermediate frame member have an engaging portion and a receiving portion provided on each of the mounting portions and protruding to the outside of the room, The left and right vertical frame members have engagement portions provided on the respective mounting portions, The upper first horizontal frame of the upper and lower horizontal frames has a connecting portion that is hooked onto and engaged with the engaging portion of the intermediate frame member, and a placing portion that is placed from above on the receiving portion of the intermediate frame member, The lower second horizontal frame of the upper and lower horizontal frames has a connecting portion that is hooked onto and engaged with the engaging portion of the second horizontal frame member, and a placing portion that is placed from above on the receiving portion of the second horizontal frame member, The left and right vertical frames have connecting portions that protrude into the room and are hooked from above onto the engaging portions of the left and right vertical frame members to engage with each other. It is a curtain wall unit. [Effects of the Invention]

[0007] According to the present invention, the watertightness of a curtain wall unit having a panel body at its waist portion can be ensured without being affected by the configuration of the window unit installed in the window portion of the curtain wall unit. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a front view showing the curtain wall of this embodiment. [Figure 2] FIG. 2 is a vertical cross-sectional view showing the curtain wall of the present embodiment. [Figure 3] FIG. 2 is a cross-sectional view showing the curtain wall of the present embodiment. [Figure 4] 2 is a longitudinal cross-sectional view of the curtain wall unit of the present embodiment taken along line X1-X1 in FIG. 1. [Figure 5] 2 is a cross-sectional view of the curtain wall unit of the present embodiment taken along line X2-X2 in FIG. 1. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0009] An embodiment of the curtain wall unit of the present invention will be described with reference to the drawings. The curtain wall unit of this embodiment is used in the curtain wall of a building and is installed on the wall (exterior wall) of the building as part of the curtain wall. The curtain wall unit and the curtain wall are installed on the wall of the building between the interior (indoor) and exterior (outdoor) of the building.

[0010] FIG. 1 is a front view showing the curtain wall 1 of this embodiment, showing the curtain wall 1 and curtain wall units 2 installed on a wall portion 11 of a building 10 as viewed from outside the room. In FIG. 1, one curtain wall unit 2 of the curtain wall 1 is shown surrounded by a two-dot chain line. FIG. 2 is a vertical cross-sectional view showing the curtain wall 1 of this embodiment, showing the curtain wall 1 and a part of the building 10. FIG. 3 is a horizontal cross-sectional view showing the curtain wall 1 of this embodiment.

[0011] As shown in the figure, when the curtain wall unit 2 (curtain wall 1) installed in the building 10 is viewed from the front (see FIG. 1), the up-down direction is the up-down direction, and the left-right direction is the left-right direction. In FIG. 1, the up-down direction is the vertical direction, and the left-right direction is the horizontal direction. The indoor / outdoor direction S (see FIGS. 2 and 3) is the indoor / outdoor direction (indoor / outdoor direction) in the curtain wall unit 2 installed in the building 10. In this way, the directions related to the curtain wall unit 2 are specified as the directions when installed in the building 10. Furthermore, the indoor side and the outdoor side of the curtain wall unit 2 are the indoor side and the outdoor side when installed in the building 10.

[0012] The curtain wall 1 comprises a plurality of curtain wall units 2 that are installed side by side on a wall portion 11 of a building 10. The curtain wall units 2 are panel units that make up the curtain wall 1, and are pre-assembled as units before being installed on the wall portion 11. The curtain wall 1 and the curtain wall units 2 are arranged on the outdoor side of a skeleton 12 (see Figure 2) of the building 10, and are attached to the skeleton 12 of the building 10, forming the wall surface of the wall portion 11 of the building 10. The plurality of curtain wall units 2 are arranged side by side in the vertical and horizontal directions, and adjacent curtain wall units 2 are combined with each other.

[0013] The curtain wall unit 2 comprises a main frame 3, and a window section 2A (vision section) and a waist section 2B (spandrel section) defined by the main frame 3. The window section 2A is the lower section of the curtain wall unit 2 and the main frame 3, and the waist section 2B is the upper section of the curtain wall unit 2 and the main frame 3. The window section 2A and the waist section 2B are formed side by side, one above the other. The main frame 3 is a rectangular opening frame that forms openings 3A and 3B (first opening 3A and second opening 3B), and is fixed to the skeleton 12 of the building 10. The main frame 3 of each of the multiple curtain wall units 2 is attached to the skeleton 12 of the building 10, and is combined with adjacent main frame 3s.

[0014] The main frame 3 has five frame members 4 to 8 (a pair of horizontal frame members 4, 5, a pair of vertical frame members 6, 7, and one intermediate frame member 8) that are combined with each other, and the frame members 4 to 8 form two openings 3A and 3B. The frame members 4 to 8 are made of shaped members formed, for example, by extrusion molding. The upper horizontal frame member (first horizontal frame member 4) is the upper frame member, and the lower horizontal frame member (second horizontal frame member 5) is the lower frame member. The pair of horizontal frame members 4, 5 extend in the left-right direction (horizontal direction) at the top and bottom of the main frame 3, and the pair of vertical frame members 6, 7 (first vertical frame member 6, second vertical frame member 7) extend in the up-down direction (vertical direction) at the left and right sides of the main frame 3.

[0015] The upper and lower horizontal frame members 4, 5 and the left and right vertical frame members 6, 7 form a framework, with the ends of the frame members 4 to 7 connected to each other. The intermediate frame member 8 is an interlocking frame member that extends in the left-right direction between the upper and lower horizontal frame members 4, 5, and together with the other frame members 4 to 7, forms openings 3A, 3B inside the main frame 3. The openings 3A, 3B are main openings in the main frame 3, and are divided into upper and lower sections by the intermediate frame member 8. The intermediate frame member 8 spans the left and right vertical frame members 6, 7, is connected to the vertical frame members 6, 7, and is located between the window section 2A and the waist section 2B.

[0016] The lower first opening 3A is an opening in the window section 2A, and is formed in the lower part of the main frame 3 by the second horizontal frame members 5, the vertical frame members 6 and 7, and the intermediate frame member 8. The upper second opening 3B is an opening in the waist section 2B, and is formed in the upper part of the main frame 3 by the first horizontal frame members 4, the vertical frame members 6 and 7, and the intermediate frame member 8. The curtain wall unit 2 comprises a window unit 9 provided in the window section 2A and a panel body 3C provided in the waist section 2B, and the structure of the window section 2A and the structure of the waist section 2B of the main frame 3 are different from each other.

[0017] Figure 4 is a longitudinal cross-sectional view of the curtain wall unit 2 of this embodiment taken along line X1-X1 in Figure 1, and Figure 5 is a transverse cross-sectional view of the curtain wall unit 2 of this embodiment taken along line X2-X2 in Figure 1. As shown in the figure, in the main body frames 3 of two curtain wall units 2 adjacent in the vertical direction (see Figure 4), the second horizontal frame member 5 of the upper main body frame 3 and the first horizontal frame member 4 of the lower main body frame 3 are arranged opposite each other in the vertical direction with a gap between them. Also, in the main body frames 3 of two curtain wall units 2 adjacent in the left-right direction (see Figure 5), the first vertical frame member 6 of one main body frame 3 and the second vertical frame member 7 of the other main body frame 3 are arranged opposite each other in the left-right direction with a gap between them.

[0018] The main body frame 3 has an exterior rain barrier 3D and an interior wind barrier 3E that are spaced apart in the indoor-outdoor direction S. The rain barrier 3D and wind barrier 3E are two rows of elastically deformable barrier materials that are attached to the main body frame 3. The rain barrier 3D and wind barrier 3E are also annularly arranged along the outer periphery of the main body frame 3 at the joints between adjacent main body frames 3. The rain barrier 3D and wind barrier 3E are attached to the frame members 4 to 7 at the positions between the horizontal frame members 4 and 5 and the positions between the vertical frame members 6 and 7, respectively. The rain barrier 3D is a fin-shaped first barrier material (outdoor barrier material) that is located on the outdoor side of the wind barrier 3E, and the wind barrier 3E is a hollow second barrier material (indoor barrier material) that is located on the indoor side of the rain barrier 3D.

[0019] The rain barriers 3D and wind barriers 3E extend along the longitudinal direction of each of the frame members 4 to 7 and are provided in parallel on each of the frame members 4 to 7. The rain barriers 3D and wind barriers 3E are provided on the outer periphery of the main frame 3 (frame members 4 to 7) and are spaced apart to form an isobaric space 3F between them. The isobaric space 3F is a space at the same pressure as the outside (outside air), and is formed between adjacent main frames 3 by the rain barriers 3D and wind barriers 3E, and communicates with the outside. The outside is the space outside the curtain wall unit 2, and the outside air is the outdoor air. The isobaric space 3F is a space at an air pressure (isobaric) equal to the air pressure outside (outside air pressure), and is formed on the outer periphery of the main frame 3 between the rain barrier 3D and wind barrier 3E.

[0020] Where the horizontal frame members 4, 5 of two main frames 3 are adjacent in the vertical direction, the rain barriers 3D of the upper and lower horizontal frame members 4, 5 abut against each other, and the wind barriers 3E of the upper and lower horizontal frame members 4, 5 abut against each other. Also, where the vertical frame members 6, 7 of two main frames 3 are adjacent in the left-right direction, the rain barriers 3D of the left and right vertical frame members 6, 7 abut against each other, and the wind barriers 3E of the left and right vertical frame members 6, 7 abut against each other. An equal-pressure space 3F is formed between the adjacent horizontal frame members 4, 5 and between the adjacent vertical frame members 6, 7 by the rain barriers 3D and wind barriers 3E.

[0021] The main frame 3 is a base frame (base unit) that constitutes part of the curtain wall unit 2, and the frame members 4 to 8 of the main frame 3 are formed hollow. The panel body 3C of the lower part 2B is a rectangular panel-like member that is disposed in the second opening 3B of the main frame 3 and attached to the main frame 3. The panel body 3C is also a glass panel that is attached to the first horizontal frame member 4, vertical frame members 6 and 7, and intermediate frame member 8 of the main frame 3, and is fixed to the main frame 3 at the lower part 2B. The window unit 9 is disposed below the panel body 3C and attached to the main frame 3.

[0022] The window unit 9 of the window section 2A is a window unit that constitutes part of the curtain wall unit 2, and is positioned on the outdoor side of the first opening 3A of the main frame 3. The window unit 9 is attached to the second horizontal frame members 5, vertical frame members 6 and 7, and intermediate frame members 8 of the main frame 3, and is fixed to the main frame 3 at the window section 2A, and is provided in a wall section 11 of the building 10. In the window section 2A of the curtain wall unit 2, the main frame 3 is an indoor side portion located on the indoor side of the window unit 9, and the window unit 9 is an outdoor side portion located on the outdoor side of the main frame 3. The window unit 9 is held by the main frame 3, and blocks the second opening 3A of the main frame 3 on the outdoor side.

[0023] The first horizontal frame member 4 of the main frame 3 has an outer peripheral portion 4A located on the outer peripheral side of the main frame 3, an inner peripheral portion 4B located on the inner peripheral side (the second opening 3B side) of the main frame 3, and a groove-shaped mounting portion 4C to which the panel body 3C is attached. The rain barrier 3D and wind barrier 3E are attached to the outer peripheral portion 4A. The inner peripheral portion 4B is located inside the room relative to the panel body 3C and the mounting portion 4C. The mounting portion 4C is the outdoor portion (outdoor portion) of the first horizontal frame member 4. The panel body 3C and the mounting portion 4C are located outside the room relative to the rain barrier 3D, wind barrier 3E, equalizing space 3F, and inner peripheral portion 4B.

[0024] The second horizontal frame member 5 of the main body frame 3 has an outer peripheral portion 5A located on the outer peripheral side of the main body frame 3, an inner peripheral portion 5B located on the inner peripheral side (first opening 3A side) of the main body frame 3, a main body visible surface 5C formed on the inner peripheral portion 5B, a mounting portion 5D to which the window unit 9 is attached, and an engaging portion 5E and a receiving portion 5F provided on the mounting portion 5D. The rain barrier 3D and wind barrier 3E are attached to the outer peripheral portion 5A. The inner peripheral portion 5B is the visible portion of the second horizontal frame member 5 on the first opening 3A side.

[0025] The main body visible surface 5C is the surface (opening side) on the first opening 3A side provided on the second horizontal frame member 5 (inner periphery 5B), and is formed along the visible direction (indoor-outdoor direction S) of the second horizontal frame member 5, and extends in the longitudinal direction (left-right direction) of the second horizontal frame member 5. The mounting portion 5D is the mounting wall on the outdoor side of the second horizontal frame member 5, and is arranged facing the outdoor side, facing the window unit 9. The engagement portion 5E is an upward hook portion that protrudes to the outdoor side, and engages with the window unit 9. The receiving portion 5F is a protruding piece that protrudes to the outdoor side, and is formed on the underside of the engagement portion 5E, and receives the window unit 9.

[0026] The intermediate frame member 8 of the main frame 3 has a first recessed portion 8A located on the first opening 3A side of the main frame 3, a second recessed portion 8B located on the second opening 3B side of the main frame 3, a main body recessed surface 8C formed in the first recessed portion 8A, a mounting portion 8D to which the window unit 9 is attached, an engagement portion 8E and a receiving portion 8F provided on the mounting portion 8D, and a groove-shaped mounting portion 8G to which the panel body 3C is attached. The first recessed portion 8A and the second recessed portion 8B are intermediate recessed portions located on both sides of the intermediate frame member 8 in the viewing direction (up-down direction). The main body recessed surface 8C is the surface (opening side) on the first opening 3A side provided on the intermediate frame member 8 (first recessed portion 8A), and is formed along the viewing direction (indoor-outdoor direction S) of the intermediate frame member 8 and extends in the longitudinal direction (left-right direction) of the intermediate frame member 8.

[0027] The mounting portion 8D is a mounting wall of the intermediate frame member 8, and is arranged facing the exterior side, facing the window unit 9. The engagement portion 8E is an upward hook portion that protrudes to the exterior side and engages with the window unit 9. The receiving portion 8F is a protrusion that protrudes to the exterior side and is formed on the underside of the engagement portion 8E to receive the window unit 9. The portions 8A to 8F of the intermediate frame member 8 are located on the interior side of the room relative to the panel body 3C and the mounting portion 8G. The mounting portion 8G is the exterior side portion of the intermediate frame member 8. The panel body 3C and the mounting portion 8G are arranged on the exterior side of the room relative to the rain barrier 3D, wind barrier 3E, pressure equalizing space 3F, and the portions 8A to 8F of the intermediate frame member 8.

[0028] The vertical frame members 6, 7 of the main body frame 3 have outer peripheral portions 6A, 7A located on the outer peripheral side of the main body frame 3, inner peripheral portions 6B, 7B located on the inner peripheral side (first opening 3A side) of the main body frame 3, main body visible surfaces 6C, 7C formed on the inner peripheral portions 6B, 7B, mounting portions 6D, 7D to which the window unit 9 is attached, and engagement portions 6E, 7E provided on the mounting portions 6D, 7D. The rain barrier 3D and wind barrier 3E are attached to the outer peripheral portions 6A, 7A. The inner peripheral portions 6B, 7B are visible portions of the vertical frame members 6, 7 on the first opening 3A side.

[0029] The main body visible surfaces 6C, 7C are surfaces (opening side surfaces) on the first opening 3A side provided in the vertical frame members 6, 7 (inner peripheral portions 6B, 7B), and are formed along the visible direction (indoor-outdoor direction S) of the vertical frame members 6, 7, and extend in the longitudinal direction (up and down direction) of the vertical frame members 6, 7. The mounting portions 6D, 7D are mounting walls on the outdoor side of the vertical frame members 6, 7, and are arranged facing the outdoor side, facing the window unit 9. The engaging portions 6E, 7E are hook portions formed on the mounting portions 6D, 7D, and engage with the window unit 9.

[0030] The main body frame 3 has main body visible surfaces 5C-8C, mounting portions 5D-8D, and engaging portions 5E-8E provided on four frame members 5-8, and receiving portions 5F, 8F provided on two frame members 5, 8. The main body visible surfaces 5C-8C are visible surfaces (frame visible surfaces) of the main body frame 3 and are opening-side visible surfaces (inner visible surfaces) located on the first opening 3A side (inner side) of the main body frame 3. The mounting portions 5D-8D, engaging portions 5E-8E, and receiving portions 5F, 8F are located on the outdoor side of the rain barrier 3D, wind barrier 3E, and equalizing space 3F. In the window section 2A of the curtain wall unit 2, the window unit 9 is disposed on the outdoor side of the rain barrier 3D, wind barrier 3E, and equalizing space 3F, and is detachably attached to the main body frame 3. The window unit 9 is disposed on the outdoor side of the mounting portions 5D to 8D of the main body frame 3 and is attached to the mounting portions 5D to 8D.

[0031] The window unit 9 includes a panel body 9A, a frame body 20 surrounding the panel body 9A, and a fin-shaped splash barrier 9B attached to the frame body 20. The panel body 9A is a rectangular panel-like member (window panel body) and is arranged below the panel body 3C of the lower portion 2B. The panel body 9A is arranged inside the frame body 20 (opening 21) and attached to the frame body 20. The frame body 20 is a rectangular opening frame (window frame body) that forms the opening 21 (window opening), and is attached to mounting portions 5D to 8D of the main frame 3. The frame body 20 also includes four frames 30, 40, 50, 60 (a pair of horizontal frames 30, 40 and a pair of vertical frames 50, 60) that are combined with each other to form the opening 21. The frames 30, 40, 50, 60 are made of extrusion-molded shaped members, for example.

[0032] The upper horizontal frame (first horizontal frame 30) is the upper frame, and the lower horizontal frame (second horizontal frame 40) is the lower frame. The pair of horizontal frames 30, 40 extend in the left-right direction (horizontal direction) at the top and bottom of the frame body 20, and the pair of vertical frames 50, 60 (first vertical frame 50, second vertical frame 60) extend in the up-down direction (vertical direction) at the left and right sides of the frame body 20. The upper and lower horizontal frames 30, 40 and the left and right vertical frames 50, 60 form a frame, and the ends of the frames 30, 40, 50, 60 are connected to each other.

[0033] The panel body 9A is a glass panel body, and is attached to the frames 30, 40, 50, and 60 of the frame body 20 and fixed to the frame body 20. The splash barrier 9B is arranged on the indoor side of the panel body 9A. The splash barrier 9B is an elastically deformable barrier material, and is arranged on the outdoor side of the rain barrier 3D, the wind barrier 3E, and the equal-pressure space 3F. The splash barrier 9B is attached to the frames 30, 40, 50, and 60, and extends along the longitudinal direction of each of the frames 30, 40, 50, and 60. The splash barrier 9B is provided on the outer periphery of the frame body 20 and is arranged along the outer periphery of the frame body 20.

[0034] In the window section 2A of the curtain wall unit 2, the frame body 20 and frames 30, 40, 50, 60 are arranged on the outdoor side of the frame members 5 to 8 of the main frame 3. The first horizontal frame 30 is arranged below the mounting portion 8G of the intermediate frame member 8, on the outdoor side of the mounting portion 8D of the intermediate frame member 8. The second horizontal frame 40 is arranged on the outdoor side of the mounting portion 5D of the second horizontal frame member 5, and the vertical frames 50, 60 are arranged on the outdoor side of the mounting portions 6D, 7D of the vertical frame members 6, 7.

[0035] Where the horizontal frame members 4, 5 of two main frames 3 are adjacent in the vertical direction, the window unit 9 is positioned above the first horizontal frame member 4 of the main frame 3, and the upper second horizontal frame 40 and the lower first horizontal frame member 4 are positioned facing each other in the vertical direction with a gap between them. Where the vertical frame members 6, 7 of two main frames 3 are adjacent in the left-right direction, the frame bodies 20 of the two window units 9 are adjacent in the left-right direction, and the first vertical frame 50 of one frame body 20 and the second vertical frame 60 of the other frame body 20 are positioned facing each other in the left-right direction with a gap between them.

[0036] The horizontal frames 30, 40 of the frame body 20 have outer peripheral portions 31, 41 located on the outer peripheral side of the frame body 20, inner peripheral portions 32, 42 located on the inner peripheral side (opening 21 side) of the frame body 20, window visibility surfaces 33, 43 formed on the inner peripheral portions 32, 42, opposing portions 34, 44 facing the main frame 3, connecting portions 35, 45 connecting to the main frame 3, mounting portions 36, 46 supported by the main frame 3, and groove-shaped mounting portions 37, 47 to which the panel body 9A is attached. The splash barrier 9B is attached to the outer peripheral portions 31, 41. The inner peripheral portions 32, 42 are visibility portions on the opening 21 side of the horizontal frames 30, 40.

[0037] The window-facing surfaces 33, 43 are surfaces (opening side surfaces) on the opening 21 side of the horizontal frames 30, 40 (inner peripheries 32, 42) and are formed along the projection direction (indoor-outdoor direction S) of the horizontal frames 30, 40, extending in the longitudinal direction (left-right direction) of the horizontal frames 30, 40. The facing portions 34, 44 are indoor-side wall portions (facing wall portions) of the horizontal frames 30, 40 and are arranged facing the indoor side. The facing portion 34 of the first horizontal frame 30 is arranged on the outdoor side of the mounting portion 8D of the intermediate frame member 8 and faces the mounting portion 8D in the indoor-outdoor direction S. The facing portion 44 of the second horizontal frame 40 is arranged on the outdoor side of the mounting portion 5D of the second horizontal frame member 5 and faces the mounting portion 5D in the indoor-outdoor direction S.

[0038] The connecting portions 35, 45 are downward-facing hook-shaped engaged portions, and the placing portions 36, 46 are protrusions formed on the underside of the connecting portions 35, 45. The connecting portions 35 and placing portions 36 of the first horizontal frame 30 protrude from the opposing portions 34 toward the interior of the room and abut against the mounting portions 8D of the intermediate frame member 8. The connecting portions 45 and placing portions 46 of the second horizontal frame 40 protrude from the opposing portions 44 toward the interior of the room and abut against the mounting portions 5D of the second horizontal frame member 5. The engaging portions 8E, 5E of the mounting portions 8D, 5D are engaging receiving portions that receive the connecting portions 35, 45. The connecting portions 35, 45 are hooked onto the engaging portions 8E, 5E from above and engage with the engaging portions 8E, 5E. In this state, the placing portions 36, 46 are placed from above on the receiving portions 8F, 5F of the attachment portions 8D, 5D, and the receiving portions 8F, 5F receive the placing portions 36, 46.

[0039] The connecting portions 35 of the first horizontal frame 30 are connected to the mounting portions 8D of the intermediate frame member 8 via the engagement portions 8E, and the first horizontal frame 30 is attached to the mounting portions 8D of the intermediate frame member 8. The connecting portions 45 of the second horizontal frame 40 are connected to the mounting portions 5D of the second horizontal frame member 5 via the engagement portions 5E, and the second horizontal frame 40 is attached to the mounting portions 5D of the second horizontal frame member 5. The mounting portions 37, 47 are the outdoor-side portions of the horizontal frames 30, 40. The portions 32-36, 42-46 of the horizontal frames 30, 40 are located closer to the interior of the room than the panel body 9A and the mounting portions 37, 47.

[0040] The splash barrier 9B of the first horizontal frame 30 protrudes upward from the first horizontal frame 30 and abuts against the intermediate frame member 8 located above the first horizontal frame 30. Here, a splash barrier 3G is attached to the intermediate frame member 8, and the splash barrier 9B of the first horizontal frame 30 abuts against the splash barrier 3G of the intermediate frame member 8. The splash barrier 9B of the second horizontal frame 40 protrudes downward from the second horizontal frame 40 and abuts against the first horizontal frame member 4 located below the second horizontal frame 40. Note that the splash barrier 9B of the first horizontal frame 30 may be positioned with a gap between it and the splash barrier 3G of the intermediate frame member 8, rather than abutting against it. Furthermore, the splash barrier 9B of the second horizontal frame 40 may be positioned with a gap between it and the first horizontal frame member 4, rather than abutting against it.

[0041] The vertical frames 50, 60 of the frame body 20 have outer peripheral portions 51, 61 located on the outer peripheral side of the frame body 20, inner peripheral portions 52, 62 located on the inner peripheral side (opening 21 side) of the frame body 20, window visibility surfaces 53, 63 formed on the inner peripheral portions 52, 62, opposing portions 54, 64 facing the main frame 3, connecting portions 55, 65 connecting to the main frame 3, and groove-shaped mounting portions 57, 67 to which the panel body 9A is attached. The splash barrier 9B is attached to the outer peripheral portions 51, 61. The inner peripheral portions 52, 62 are visibility portions on the opening 21 side of the vertical frames 50, 60.

[0042] The window visible surfaces 53, 63 are surfaces (opening side surfaces) on the opening 21 side provided in the vertical frames 50, 60 (inner peripheries 52, 62), are formed along the visible direction (indoor-outdoor direction S) of the vertical frames 50, 60, and extend in the longitudinal direction (up and down direction) of the vertical frames 50, 60. The facing portions 54, 64 are indoor-side wall portions (facing wall portions) of the vertical frames 50, 60, and are arranged facing the indoor side. The facing portions 54, 64 are arranged on the outdoor side of the mounting portions 6D, 7D of the vertical frame members 6, 7, and face the mounting portions 6D, 7D in the indoor-outdoor direction S.

[0043] The connecting portions 55, 65 are engaged portions that protrude toward the interior of the room and are fixed to the outer periphery portions 51, 61, and are positioned further inside the room than the opposing portions 54, 64 and the mounting portions 6D, 7D. The engaging portions 6E, 7E of the mounting portions 6D, 7D are engaging receiving portions that receive the connecting portions 55, 65. The connecting portions 55, 65 are hooked onto the engaging portions 6E, 7E from above and engage with the engaging portions 6E, 7E. In this state, the opposing portions 54, 64 abut against the mounting portions 6D, 7D. The engaging portions 6E, 7E connect the connecting portions 55, 65 of the vertical frames 50, 60 to the mounting portions 6D, 7D of the vertical frame members 6, 7, and the vertical frames 50, 60 are attached to the mounting portions 6D, 7D of the vertical frame members 6, 7.

[0044] The mounting portions 57, 67 are the outdoor-side portions (outdoor portions) of the vertical frames 50, 60. Each portion 52-55, 62-65 of the vertical frames 50, 60 is located indoors relative to the panel body 9A and the mounting portions 57, 67. Where the vertical frame members 6, 7 of the two main frames 3 are adjacent in the left-right direction, the vertical frames 50, 60 of the two frame bodies 20 are adjacent in the left-right direction. In addition, the splash barriers 9B of the left and right vertical frames 50, 60 protrude in the left-right direction and abut against each other. Note that the splash barriers 9B of the left and right vertical frames 50, 60 may be arranged with a gap between them rather than abutting against each other.

[0045] The window unit 9 has window-facing surfaces 33, 43, 53, 63 provided on frames 30, 40, 50, 60 of the frame body 20, opposing portions 34, 44, 54, 64, and connecting portions 35, 45, 55, 65. The opposing portions 34, 44, 54, 64 and the connecting portions 35, 45, 55, 65 are located closer to the interior of the room than the splash barrier 9B. The connecting portions 35, 45, 55, 65 engage with engaging portions 5E to 8E provided on the main body frame 3, and are connected to the main body frame 3, attaching the frame body 20 and the window unit 9 to mounting portions 5D to 8D of the main body frame 3. The frame body 20 is fixed to the main body frame 3 with bolts (not shown).

[0046] The window front surfaces 33, 43, 53, 63 are front surfaces (unit front surfaces) of the frame body 20 of the window unit 9, and are opening-side front surfaces (inner front surfaces) located on the opening 21 side (inside) of the frame body 20. The frame body 20 forms the opening 21 on the inside of the frame body 20 with the window front surfaces 33, 43, 53, 63. The main body front surfaces 5C to 8C of the main frame 3 are positioned closer to the interior of the room than the window front surfaces 33, 43, 53, 63, and are positioned at a distance from the window front surfaces 33, 43, 53, 63 to the interior of the room.

[0047] The curtain wall unit 2 comprises sealing materials 70-73 provided between the main frame 3 and the frame body 20 of the window unit 9, and four covers 80-83 (a pair of horizontal covers 80, 81 and a pair of vertical covers 82, 83) attached to the main frame 3. Recesses 74-77 are formed between the main frame 3 and the frame body 20. The recesses 74-77 are groove-shaped voids formed on the indoor side of the opposing parts 34, 44, 54, 64 of the frame body 20 and open towards the first opening 3A of the main frame 3.

[0048] The seal materials 70-73 are filled in the recesses 74-77 and provided in the areas (recesses 74-77) between the main body frame 3 and the frame body 20. In the recesses 74-77, the seal materials 70-73 come into contact with the main body frame 3 and the frame body 20 (opposing portions 34, 44, 54, 64) and seal the areas between the main body frame 3 and the frame body 20. When the covers 80-83 are not attached to the main body frame 3, the seal materials 70-73 are exposed on the side of the first opening 3A of the main body frame 3.

[0049] The upper and lower horizontal covers 80, 81 extend in the left-right direction (horizontal direction), while the left and right vertical covers 82, 83 extend in the up-down direction (vertical direction). The upper horizontal cover (first horizontal cover 80) is an upper cover attached to the intermediate frame member 8 and arranged along the main body visible surface 8C. The lower horizontal cover (second horizontal cover 81) is a lower cover attached to the second horizontal frame member 5 and arranged along the main body visible surface 5C. The vertical covers 82, 83 (first vertical cover 82, second vertical cover 83) are attached to the vertical frame members 6, 7 and arranged along the main body visible surfaces 6C, 7C. The covers 80-83 are arranged on the first opening 3A side of the main body frame 3 with respect to the main body visible surfaces 5C-8C of the main body frame 3, and cover the main body visible surfaces 5C-8C and the areas (recesses 74-77) between the main body frame 3 and the frame body 20.

[0050] The covers 80-83 come into contact with the frame 20 (opposing portions 34, 44, 54, 64) and cover the entire main body visible surfaces 5C-8C and the entire recesses 74-77 on the first opening 3A side of the main body frame 3. The covers 80-83 are also arranged on the first opening 3A side of the main body frame 3 with respect to the sealants 70-73 in the recesses 74-77, and cover the entire sealants 70-73 from the first opening 3A side. The covers 80-83 shield the sealants 70-73 to prevent them from being exposed on the first opening 3A side.

[0051] The opening side surfaces 84-87 of the covers 80-83 are exposed surfaces of the covers 80-83 located on the first opening 3A side of the main frame 3, and are exposed on the first opening 3A side. The covers 80-83 and the opening side surfaces 84-87 are positioned on the interior side of the window facing surfaces 33, 43, 53, and 63 of the frame body 20. In the second horizontal frame member 5 and the second horizontal frame 40, the sealing material 71 is provided in the area (recess 75) between the second horizontal frame member 5 and the second horizontal frame 40. The second horizontal cover 81 covers the main body facing surface 5C of the second horizontal frame member 5, the area between the second horizontal frame member 5 and the second horizontal frame 40, and the sealing material 71. The opening side surface 85 of the second horizontal cover 81 is positioned above the window facing surface 43 of the second horizontal frame 40. A step is provided between the opening side surface 85 and the window facing surface 43.

[0052] Between the intermediate frame member 8 and the first horizontal frame 30, the sealing material 70 is provided in the area (recess 74) between the intermediate frame member 8 and the first horizontal frame 30. The first horizontal cover 80 covers the main body facing surface 8C of the intermediate frame member 8, the area between the intermediate frame member 8 and the first horizontal frame 30, and the sealing material 70. The opening side surface 84 of the first horizontal cover 80 and the window facing surface 33 of the first horizontal frame 30 are positioned so that they are aligned with each other in the vertical direction. The opening side surface 84 of the first horizontal cover 80 is positioned flush with the window facing surface 33 of the first horizontal frame 30 in the indoor-outdoor direction S.

[0053] In the vertical frame members 6, 7 and the vertical frames 50, 60, the sealing materials 72, 73 are provided in the areas (recesses 76, 77) between the vertical frame members 6, 7 and the vertical frames 50, 60. The vertical covers 82, 83 cover the main body facing surfaces 6C, 7C of the vertical frame members 6, 7, the areas between the vertical frame members 6, 7 and the vertical frames 50, 60, and the sealing materials 72, 73. The opening side surfaces 86, 87 of the vertical covers 82, 83 and the window facing surfaces 53, 63 of the vertical frames 50, 60 are aligned with each other in the left-right direction. The opening side surfaces 86, 87 of the vertical covers 82, 83 are aligned flush with the window facing surfaces 53, 63 of the vertical frames 50, 60 in the indoor-outdoor direction S.

[0054] In the curtain wall unit 2 described above, the rain barrier 3D and wind barrier 3E that form the equal-pressure space 3F are provided on the main body frame 3, ensuring watertightness in the main body frame 3. Therefore, the watertightness of the curtain wall unit 2 can be ensured without being affected by the configuration of the window unit 9. Furthermore, even if various window units 9 are provided in the curtain wall unit 2, the appearance of the curtain wall unit 2 can be unified. By engaging the connecting parts 35, 45, 55, 65 of the window unit 9 with the engaging parts 5E to 8E of the main body frame 3, the window unit 9 can be easily held in the main body frame 3.

[0055] The splash barrier 9B prevents water from flowing toward the main frame 3 on the outdoor side of the rain barrier 3D, improving the watertightness of the curtain wall unit 2. The covers 80-83 shield the main frame visible surfaces 5C-8C and the area between the main frame 3 and the frame body 20, improving the design of the curtain wall unit 2 when viewed from the indoor side. The sealants 70-73 ensure watertightness between the main frame 3 and the frame body 20, while the covers 80-83 prevent the sealants 70-73 from being exposed. By arranging the opening side surfaces 86, 87 of the vertical covers 82, 83 flush with the window visible surfaces 53, 63 of the vertical frames 50, 60, a step is prevented from occurring between the opening side surfaces 86, 87 and the window visible surfaces 53, 63, improving the design of the curtain wall unit 2 when viewed from the indoor side.

[0056] The curtain wall unit 2 can be provided with various window units (for example, casement windows, fixed windows, sashes, fire prevention equipment (fire windows), smoke exhaust windows, natural ventilation windows, alternative entrances) as the window units 9. Depending on the type of window unit 9, the main frame 3 may not be provided with the engagement portions 5E to 8E, and the window units 9 may not be provided with the connecting portions 35, 45, 55, 65. The main frame 3 may be a frame that does not have an intermediate frame member 8. The splash barriers 9B of the window units 9 may abut against adjacent members (for example, the splash barrier of the main frame 3, the splash barrier 9B of another window unit 9, the main frame 3, another window unit 9), or may be arranged with a gap between them.

[0057] As mentioned above, curtain wall units are: A curtain wall unit attached to the skeleton of a building, a main body frame fixed to the body; a window unit held by the main body frame; the main body frame has an exterior rain barrier and an interior wind barrier that are provided on the outer periphery of the main body frame and are spaced apart to form an equal-pressure space therebetween, The window unit is a curtain wall unit that is positioned on the outdoor side of the rain barrier and attached to the main frame. Therefore, the watertightness of the curtain wall unit can be ensured without being affected by the configuration of the window units installed in the curtain wall unit.

[0058] The window unit has a connecting portion that engages with an engaging portion provided on the main body frame to connect it to the main body frame. By engaging the connecting portion of the window unit with the engaging portion of the main body frame, the window unit can be easily held on the main body frame.

[0059] The window unit has a splash barrier that is provided on the outer periphery of the window unit and positioned on the outdoor side of the rain barrier. The splash barrier can stop water from flowing toward the main frame on the outside of the rain barrier, improving the watertightness of the curtain wall unit.

[0060] The window unit has a frame body that forms an opening with a window projection surface, The main body frame has a main body visible surface located on the opening side of the main body frame. The curtain wall unit is positioned on the opening side of the main frame relative to the main body visible surface, and is provided with a cover that covers the main body visible surface and the area between the main body frame and the frame body. The cover shields the visible surface of the main body and the area between the main body frame and the frame body, improving the design of the curtain wall unit when viewed from inside the room.

[0061] The frame body has a vertical frame on which the window surface is provided, The main body frame has a vertical frame member on which the main body visible surface is provided, The cover covers the main body visible surface of the vertical frame material and the area between the vertical frame material and the vertical frame, The opening side of the cover, which is located on the opening side of the main frame, is positioned flush with the window-facing surface of the vertical frame. This prevents a step from occurring between the opening side of the cover and the window surface of the vertical frame, improving the design of the curtain wall unit when viewed from inside the room.

[0062] The curtain wall unit includes a sealing material provided between the main frame and the frame body. The sealant ensures watertightness between the main frame and the frame body, while the cover prevents the sealant from being exposed. [Explanation of symbols]

[0063] 1···Curtain wall, 2···Curtain wall unit, 2A···Window section, 2B···Waist section, 3···Main frame, 3A···First opening, 3B···Second opening, 3C···Panel body, 3D···Rain barrier, 3E···Wind barrier, 3F···Pressure equalizing space, 3G···Splash barrier, 4···First horizontal frame member, 4A···Outer periphery, 4B···Inner periphery, 4C···Attachment section, 5···Second horizontal frame member, 5A···Outer periphery, 5B···Inner periphery, 5C···Main body visible surface, 5D···Mounting section, 5E···Engagement section, 5F··· Receiving portion, 6···First vertical frame member, 6A···Outer peripheral portion, 6B···Inner peripheral portion, 6C···Main body projection surface, 6D···Mounting portion, 6E···Engagement portion, 7···Second vertical frame member, 7A···Outer peripheral portion, 7B···Inner peripheral portion, 7C···Main body projection surface, 7D···Mounting portion, 7E···Engagement portion, 8···Intermediate frame member, 8A···First projection portion, 8B···Second projection portion, 8C···Main body projection surface, 8D···Mounting portion, 8E···Engagement portion, 8F···Receiving portion, 8G···Mounting portion, 9···Window unit, 9A···Panel body, 9B···Splash barrier, 1 0 Building, 11 Wall, 12 Building frame, 20 Frame, 21 Opening, 30 First horizontal frame, 31 Outer periphery, 32 Inner periphery, 33 Window projection surface, 34 Opposing portion, 35 Connecting portion, 36 Base portion, 37 Mounting portion, 40 Second horizontal frame, 41 Outer periphery, 42 Inner periphery, 43 Window projection surface, 44 Opposing portion, 45 Connecting portion, 46 Base portion, 47 Mounting portion, 50 First vertical frame, 51 Outer periphery, 52 Inner periphery, 53 Window projection surface, 54 Opposing portion, 55 Connecting portion , 57···Mounting portion, 60···Second vertical frame, 61···Outer periphery, 62···Inner periphery, 63···Window surface, 64···Facing portion, 65···Connecting portion, 67···Mounting portion, 70···Sealing material, 71···Sealing material, 72···Sealing material, 73···Sealing material, 74···Recess, 75···Recess, 76···Recess, 77···Recess, 80···First horizontal cover, 81···Second horizontal cover, 82···First vertical cover, 83···Second vertical cover, 84···Opening side, 85···Opening side, 86···Opening side, 87···Opening side, S···Indoor / outdoor direction.

Claims

1. A curtain wall unit attached to the skeleton of a building, a main body frame that is a base unit to which a panel body is fixed and which is fixed to the main body; a window unit attached to the main body frame; a barrier material disposed along the outer periphery of the main body frame, The main body frame has upper and lower horizontal frame members, left and right vertical frame members, and intermediate frame members extending along the left-right direction between the upper and lower horizontal frame members, and defines a window section and a waist section, The panel body is fixed to the main body frame at the waist portion, the window unit has a window panel body and a frame body that surrounds the window panel body and is attached to the main body frame, and is attached to the main body frame while being disposed on the outdoor side of the barrier material and the outdoor side of the main body frame in the window portion, The frame body has upper and lower horizontal frames and left and right vertical frames whose ends are connected to each other, The window panel body is attached to the groove-shaped attachment portions on the exterior side of the upper and lower horizontal frames and the left and right vertical frames, and fixed to the frame body, The panel body is attached to the upper first horizontal frame member of the upper and lower horizontal frame members, the left and right vertical frame members, and the intermediate frame member, The window unit is disposed on the outdoor side of an opening formed by a second lower horizontal frame member of the upper and lower horizontal frame members, the left and right vertical frame members, and the intermediate frame member, and the frame body is attached to the respective mounting portions of the second horizontal frame member, the left and right vertical frame members, and the intermediate frame member, The second horizontal frame member and the intermediate frame member have an engaging portion and a receiving portion provided on each of the mounting portions and protruding to the outside of the room, The left and right vertical frame members have engagement portions provided on the respective mounting portions, The upper first horizontal frame of the upper and lower horizontal frames has a connecting portion that is hooked onto and engaged with the engaging portion of the intermediate frame member, and a placing portion that is placed from above on the receiving portion of the intermediate frame member, The lower second horizontal frame of the upper and lower horizontal frames has a connecting portion that is hooked onto and engaged with the engaging portion of the second horizontal frame member, and a placing portion that is placed from above on the receiving portion of the second horizontal frame member, The left and right vertical frames are curtain wall units that protrude into the room and have connecting portions that are hooked from above onto the engaging portions of the left and right vertical frame members.

2. 2. The curtain wall unit according to claim 1, the intermediate frame member has a mounting portion to which the panel body is mounted, The mounting portion of the intermediate frame member is a curtain wall unit located on the indoor side of the panel body.

3. The curtain wall unit according to claim 1 or 2, The barrier material is a curtain wall unit that consists of an outdoor rain barrier and an indoor wind barrier that are attached to the main frame and spaced apart to form an equal-pressure space between them.

Images