JP7146569B2 - curtain wall - Google Patents

Description

The present invention relates to a curtain wall composed of a plurality of panel units.

2. Description of the Related Art Conventionally, there has been known a curtain wall in which panel units in which glass is fitted in a frame made of aluminum members are arranged vertically and horizontally (see, for example, Non-Patent Document 1). In such conventional curtain walls, it is necessary to cut out the ends of the vertical frames in a special shape, and the processing is time-consuming, so productivity cannot be improved.

Catalog "Curtain Wall Comprehensive Catalog" (Catalog No. STB0261I YP.15.07-030) published by Sankyo Aluminum Co., Ltd., Sankyo Tateyama Co., Ltd., July 2015, p. 76-77

SUMMARY OF THE INVENTION It is an object of the present invention to provide a curtain wall in which the processing of the ends of vertical frames is simple and productivity can be improved.

In order to achieve the above object, the curtain wall according to the first aspect of the invention comprises panel units arranged side by side in the vertical direction and the horizontal direction, and catch pans, and the panel units frame the upper and lower frames and the vertical frames. The vertical frame is cut straight at the top and bottom ends, the lower frame of the upper panel unit is engaged with the upper frame of the lower panel unit from above, and the catch pan is the lower panel unit. It straddles the upper end of the adjacent vertical frame, and the lower end of the adjacent vertical frame of the upper panel unit touches the upper surface of the catch pan, so that the upper end of the adjacent vertical frame of the lower panel unit and the upper end of the upper panel unit. It is characterized by being sandwiched between the lower ends of the adjacent vertical frames of the panel unit.

In the curtain wall according to the first aspect of the invention, the end portions of the vertical frames can be processed by simply cutting them straight, so the productivity is improved. In addition, the catch pan is simply sandwiched between the upper end of the adjacent vertical frame of the lower panel unit and the lower end of the adjacent vertical frame of the upper panel unit, so that workability is excellent.

FIG. 4 is a cross-sectional view taken along the line AA of FIG. 3; 4 is a cross-sectional view taken along the line BB of FIG. 3; FIG. (a) is an outdoor front view showing an embodiment of the curtain wall of the present invention, and (b) is a vertical sectional view of the same curtain wall. (a) is a plan view showing the connection between the panel unit and the catch pan, and (b) is a side view of the same. (a) is a plan view of the catch pan, (b) is a side view of the catch pan, and (c) is a front view of the catch pan on the outdoor side. It is a perspective view of a catch pan. (a) is a plan view showing the connection between the upper frame and the vertical frame, (b) is a front view of the same, and (c) is a side view of the same. (a) is a plan view showing the connection between the mulch and the vertical frame, (b) is a front view of the same, and (c) is a side view of the same. (a) is a plan view showing the connection between the lower frame and the vertical frame, (b) is a front view of the same, and (c) is a side view of the same. It is a perspective view which shows the construction procedure of the curtain wall of this invention. FIG. 10A is a perspective view showing the construction procedure (continuation of FIG. 10-1) of the curtain wall of the present invention;

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1-4 show one embodiment of a curtain wall according to the invention. This curtain wall forms the outer wall of a building, and as shown in FIG. 3(a), is constructed by arranging a plurality of panel units 1, 1, . Each panel unit 1 has an upper frame 3, a lower frame 4, and left and right vertical frames 6 and 7 made of an aluminum profile in a rectangular frame. It is constructed by constructing a vertically long rectangular Japanese letter-shaped frame by constructing a mulch 5 made of a material, and attaching glasses 8 and 9 to two openings of the frame, respectively. As shown in FIG. 3(b), one panel unit 1 has a height of one floor of a building and integrally includes a spandrel section 10 and a vision section 11. As shown in FIG. That is, the portion between the upper frame 3 and the blind 5 is the spandrel portion 10 , and the portion between the blind 5 and the lower frame 4 is the vision portion 11 . Each panel unit 1 is attached to a building frame 12 by fasteners (not shown).

As shown in FIG. 2, the left and right vertical frames 6 and 7 of the panel unit 1 are formed with a glass frontage 13 for holding the glasses 8 and 9 at the outdoor end. The side edges are held together by gaskets 14 and seals 15 . A projection wall 16 is provided on the indoor side of the glass frontage 13, and an indoor-side facing wall 17 is provided at the indoor-side end of the projection wall 16. - 特許庁The vertical frames 6 and 7 are formed in a crank shape so that the projection wall 18 on the outdoor side forming the bottom wall of the glass frontage 13 is located on the outer peripheral side of the projection wall 16 on the indoor side. The dimensions of 6 and 7 are reduced to improve the design.
Of the adjacent vertical frames 6 and 7, the vertical frame 6 on the left side as seen from the outdoor side has a male portion 20 consisting of a pair of ridges 19a and 19b on the outer peripheral side surface of the projection wall 16 on the indoor side. The vertical frame 7 on the right side as viewed from the outside has a female portion 22 consisting of a pair of ridges 21a and 21b on the outer peripheral side surface of the room-inside projection wall 16, and the male portion 20 is inserted into the female portion 22. As a result, the vertical frames 6, 7 of the panel units 1, 1 adjacent to each other on the left and right are fitted from the left and right. A rain barrier gasket 23 is attached to the outdoor-side ridge 21a of the female portion 22 along the longitudinal direction toward the indoor side. is in contact with A wind barrier gasket 24 is attached to the interior-side projection 21b of the female portion 22 along the longitudinal direction toward the exterior. is in contact with
In this manner, the present curtain wall has a male portion 20 and a female portion 22 that are fitted to the vertical frames 6 and 7 of the panel units 1 and 1 that are adjacent to each other on the left and right sides. By interposing the gaskets 24) double on the outdoor side and the indoor side, it is possible to prevent rainwater from entering between the vertical frames 6, 7 of the panel units 1, 1 adjacent to the left and right. In addition, protruding pieces 25a and 25b protruding toward the outer periphery are provided on the indoor side end of the glass frontage 13 of the left vertical frame 6 and the indoor side wall 17 of the right vertical frame 7. , the gap between the vertical frames 6 and 7 is hidden by the projecting pieces 25a and 25b.
As shown in FIG. 1, the left and right vertical frames 6 and 7 are cut straight at right angles to the longitudinal direction at the upper ends 26 and lower ends 27 .

As shown in FIG. 1, the upper frame 3 is divided into two parts: a glass frontage forming part 3a positioned on the outdoor side and constituting the glass frontage 28, and a body part 3b positioned on the indoor side. .
The glass frontage constituting portion 3 a has a hollow portion 29 on the indoor side of the glass frontage 28 , and has tapping holes 30 inside the upper wall and the lower wall of the hollow portion 29 . As shown in FIG. 7, the glass frontage constituting portion 3a has a longitudinal end portion 31a cut straight at right angles to the longitudinal direction, and the end portion 31a is attached to the projection wall 18 on the outdoor side of the vertical frames 6 and 7. They are fixed by screws (not shown) which abut on the inner peripheral side surfaces and are screwed into the tapping holes 30 from the outer peripheral side of the vertical frames 6 and 7 .
As shown in FIG. 1, the main body portion 3b has a male portion 34 consisting of a pair of ridges 32a, 32b and a connecting wall 33 at an intermediate portion in the indoor-outdoor direction. A groove portion 35 is provided to open upward. A plurality of tapping holes 30 are provided in the body portion 3b so as to be spaced apart in the indoor and outdoor directions. As shown in FIG. 7, the main body portion 3b has an end portion 31b in the longitudinal direction cut straight at a right angle to the longitudinal direction, and the end portion 31b is attached to the inner circumference of the projection wall 16 on the interior side of the vertical frames 6 and 7. It abuts on the side surface and is fixed by a screw (not shown) screwed into the tapping hole 30 from the outer peripheral side of the vertical frames 6 and 7 .
In the upper frame 3, as described above, the longitudinal ends 31a and 31b of the glass frontage-constituting portion 3a and the main body portion 3b are cut straight, respectively, and the glass frontage-constituting portion 3a is longer than the main body portion 3b. As shown in FIG. 1, a sealing material 37 is interposed between the joint surface 36 between the glass frontage-constituting portion 3a and the main body portion 3b. groove 39.
The upper frame 3 has an outdoor end at the same position as the outdoor ends of the vertical frames 6 and 7 in the direction of projection, and the indoor end is positioned further outside than the indoor ends of the vertical frames 6 and 7, The expected dimension is smaller than the vertical frames 6 and 7 by about 50 mm.

As shown in FIG. 1, the mesh 5 is divided into two parts: a glass frontage forming part 5a positioned on the outdoor side and a body part 5b positioned on the indoor side. Glass frontages 40a and 40b with different widths are formed on the upper surface side and the lower surface side of the glass frontage constituting portion 5a. It is held through a gasket 41, and the upper end portion of the glass (multi-layered glass) 9 of the vision portion 11 is held through a gasket 14 and a sealing material 15 in the glass frontage 40b on the lower surface side. A plurality of tapping holes 30 are provided in each of the glass frontage forming portion 5a and the body portion 5b.
As shown in FIG. 8, the glass frontage forming portion 5a has a longitudinal end portion 42a cut straight at right angles to the longitudinal direction, and the end portion 42a is attached to the projection wall 18 on the outdoor side of the vertical frames 6 and 7. They are fixed by screws (not shown) which abut on the inner peripheral side surfaces and are screwed into the tapping holes 30 from the outer peripheral side of the vertical frames 6 and 7 . The main body portion 5b also has a longitudinal end portion 42b cut straight perpendicular to the longitudinal direction. 6 and 7 are fixed by screws (not shown) screwed into tapping holes 30 from the outer peripheral side.
In the mesh 5, as described above, the longitudinal ends 42a and 42b of the glass frontage-constituting portion 5a and the main body portion 5b are cut straight, respectively, and the glass frontage-constituting portion 5a is longer than the main body portion 5b. As shown in FIG. 1, a sealing material 44 is interposed between the joint surface 43 between the glass frontage-constituting portion 5a and the main body portion 5b. The lower part of the interior side wall of the is engaged.

As shown in FIG. 1, the lower frame 4 is integrally formed with a glass frontage 46 on the outdoor side (however, the outdoor side wall of the glass frontage 46 is a detachable rim 47). A lower end portion of the glass 9 of the vision portion 11 is held at 46 via a gasket 14 and a sealing material 15 . The lower frame 4 has tapping holes 30 formed in the upper and lower parts of the glass frontage 46 on the indoor side, the middle part in the indoor-outdoor direction, and the end part on the indoor side. As shown in FIG. 9, the lower frame 4 has a longitudinal end portion 48 cut straight at right angles to the longitudinal direction, and the end portion 48 is attached to the inner circumference of the projection wall 16 on the interior side of the vertical frames 6 and 7 . It abuts on the side surface and is fixed by a screw (not shown) screwed into the tapping hole 30 from the outer peripheral side of the vertical frames 6 and 7 . The lower frame 4 has an outdoor end at the same position as the outdoor ends of the vertical frames 6 and 7 in the direction of projection, and the indoor end is located on the outdoor side of the indoor ends of the vertical frames 6 and 7, The expected dimension is smaller than the vertical frames 6 and 7 by about 50 mm.
As shown in FIG. 1, a female portion 50 consisting of a pair of hanging walls 49a and 49b is formed on the indoor side portion of the lower frame 4. The female portion 50 is a male portion of the upper frame 3 of the lower panel unit 1. It is engaged with the portion 34 from above, thereby connecting the upper frame 3 of the lower panel unit 1 and the lower frame 4 of the upper panel unit 1 . A rain barrier gasket 51 is attached along the longitudinal direction to the indoor side hanging wall 49 a of the female portion 50 of the lower frame 4 . It is in contact with the outdoor side surface of the outer protrusion 32a. A wind barrier gasket 52 is attached to the room-side hanging wall 49 b of the female part 50 of the lower frame 4 along the longitudinal direction toward the room side. It is in contact with the inner side surface of the inner protrusion 32b.
In this manner, the present curtain wall has a male portion 34 and a female portion 50 that are fitted to the upper frame 3 and the lower frame 4 of the panel units 1, 1 that are vertically adjacent to each other, and a gasket (rain barrier gasket 51, By interposing the wind barrier gasket 52) doubly on the outdoor side and the indoor side, it is possible to prevent rainwater from entering from between the lower frame 4 and the upper frame 3 of the vertically adjacent panel units 1, 1. . In addition, rainwater that tries to enter from between the lower frame 4 and the upper frame 3 is dammed by the hanging wall 49a on the outdoor side of the female portion 50 of the lower frame 4, and flows into the groove portion 35 of the upper frame 3 located below. Rainwater falling and entering the groove 35 is drained between the vertical frames 6 and 7 through drain holes 53 formed in the vertical frames 6 and 7. - 特許庁

Between the lower ends 27 of the adjacent vertical frames 6, 7 of the upper left and right panel units 1, 1 and the upper ends 26 of the adjacent vertical frames 6, 7 of the lower left and right panel units 1, 1, there is a 1, one catch pan 2 is provided. 5 and 6, the catch pan 2 has a flat upper surface 54 and a flat lower surface 55. The lower surface 55 has a columnar projection with a substantially rectangular cross section. It has a portion 56 . A concave portion 57 is formed in the upper surface 54 above the protrusion 56, and the bottom surface of the concave portion 57 slopes downward toward the outside of the room. A groove portion 58 is formed on the outdoor side of the concave portion 57, and the bottom surface of the groove portion 58 is continuous with the bottom surface of the concave portion 57 and slopes downward toward the outdoor side. A hanging wall 59 is provided at the outdoor end of the groove 58 .

As shown in FIG. 4, the catch pan 2 has a projecting portion 56 inside a fitting portion formed by the male portion 20 and the female portion 22 of the vertical frames 6 and 7 of the panel units 1 and 1 adjacent to the left and right of the lower stage. The lower ends 27 of the vertical frames 6, 7 of the panel units 1, 1 adjacent to the left and right of the upper stage are pressed against the upper surface 54 of the catch pan 2, and are fitted to the lower surface 55 of the catch pan 2. The upper ends 26 of the vertical frames 6, 7 of the panel units 1, 1 adjacent to the upper panel units 1, 1 are pressed against each other, and the catch pan 2 is crushed by about 6 mm in the vertical direction. 7 and the upper ends 26 of the vertical frames 6, 7 of the panel units 1, 1 in the lower stage. In addition, the lower end of the wind barrier gasket 24 provided between the vertical frames 6 and 7 of the upper left and right panel units 1, 1 abuts the upper surface 54 of the catch pan 2, and the lower end of the rain barrier gasket 23 is on the upper surface of the catch pan 2. It faces the groove portion 58 . Also, the upper ends of the rain barrier gasket 23 and the wind barrier gasket 24 provided between the vertical frames 6 and 7 of the left and right panel units 1 and 1 in the lower stage are in contact with the lower surface 55 of the catch pan 2 . Also, the hanging wall 59 of the catch pan 2 hangs down in the gap between the vertical frames 6, 7 of the left and right panel units 1, 1 in the lower stage.
On the left and right side surfaces 60, 60 of the catch pan 2, the left and right end surfaces of the female portion 50 of the lower frame 4 of the upper panel units 1, 1 and the left and right end surfaces of the male portion 34 of the upper frame 3 of the lower panel units 1, 1 are mounted. abuts. Furthermore, the left and right ends of the rain barrier gasket 51 and the wind barrier gasket 52 provided on the female portion 50 of the lower frame 4 of the upper panel units 1 , 1 are in contact with the side surfaces 60 of the catch pan 2 . That is, the mating portion 62 formed by the upper frame 3 of the lower panel units 1, 1 and the male portion 34 and the female portion 50 of the lower frame 4 of the upper panel units 1, 1 is substantially within the range of the height dimension of the catch pan 2. The part where the airtight material (the rain barrier gasket 51 and the wind barrier gasket 52) is attached is within the range of the height dimension of the catch pan 2.

By providing the catch pan 2 in this manner, it is possible to reliably prevent rainwater from entering through the joints of the upper, lower, left, and right panel units 1, 1, 1, 1. - 特許庁Moreover, even if rainwater enters the fitting portion between the vertical frames 6, 7 of the panel units 1, 1 adjacent to each other on the left and right sides, as indicated by an arrow 61 in FIG. Water can be drained to the outside through the inclined bottom surface of the groove 58 and the hanging wall 59 . Since the lower end of the wind barrier gasket 24 provided between the vertical frames 6, 7 of the upper panel units 1, 1 is in contact with the upper surface 54 of the catch pan 2, the airtight line is continuous, and the airtight performance is easily improved. can be secured.

Next, the construction procedure of this curtain wall will be explained. First, each panel unit 1 is assembled in advance. Next, the assembled panel unit 1 is carried into the building. Next, the panel units 1 are lifted one by one using a forklift or the like from the inside of the building, arranged at predetermined positions, and attached to the frame 12 one by one with fasteners. Mounting of the panel unit 1 is performed from one side in the left-right direction of the lower stage. After holding the panel unit 1 to be mounted at a predetermined height, slide it sideways to the side of the previously mounted panel unit 1, and As shown in (a), the male portions 20 and female portions 22 of the vertical frames 6 and 7 are fitted. After that, as shown in FIG. 10-1(b), the catch pan 2 is attached from above by fitting the projecting portion 56 into the fitting portion between the male portion 20 and the female portion 22 of the vertical frames 6 and 7 . After that, as shown in FIG. 10-2(c), the female part 50 of the lower frame 4 of the upper panel unit 1 is fitted to the male part 34 of the upper frame 3 of the lower panel unit 1 from above. to install. After that, as shown in FIG. 10-2(d), the other panel unit 1 on the upper side is fitted with the previously mounted panel unit 1 and the vertical frames 6 and 7 at the male part 20 and the female part 22. Meanwhile, the female portion 50 of the lower frame 4 is fitted to the male portion 34 of the upper frame 3 of the lower panel unit 1 from above. When the upper panel units 1, 1 are attached, the catch pan 2 is sandwiched from above and below between the vertical frames 6, 7 of the upper and lower panel units 1, 1, 1, 1, and is crushed in the vertical direction. 1, 1, 1, 1 closes the gap between the vertical frames 6, 7.

As described above, in the present curtain wall, the end portions of the vertical frames 6 and 7 need only be cut straight, so the productivity is improved. Also, the catch pan 2 is sandwiched between the upper ends 26 of the adjacent vertical frames 6 and 7 of the lower panel units 1 and 1 and the lower ends 27 of the adjacent vertical frames 6 and 7 of the upper panel units 1 and 1. Excellent workability because it only needs to be done.
In addition, the curtain wall is airtight because the lower end of the airtight material (wind barrier gasket) 24 provided between the vertical frames 6 and 7 of the upper panel units 1 and 1 is in contact with the upper surface 54 of the catch pan 2. Since the line is continuous, airtight performance can be easily secured.
In the panel unit 1, the ends of the upper and lower frames 3 and 4 are brought into contact with the inner peripheral side surfaces of the vertical frames 6 and 7, and fixed by screws that are screwed into the tapping holes 30 of the upper and lower frames 3 and 4. The fitting portion 62 between the upper frame 3 of the unit 1 and the lower frame 4 of the upper panel unit 1 is substantially within the range of the height dimension of the catch pan 2, and airtight materials (rain barrier gasket 51 and wind barrier gasket 52) are provided. is within the range of the height dimension of the catch pan 2, deformation of the vertical frames 6 and 7 can be suppressed even if pressure is generated on the curtain wall due to wind pressure or the like, and the catch pan 2 Since the airtight line continues through the , airtight performance can be easily ensured.
Further, in this curtain wall, a drainage groove 35 is provided on the upper surface of the upper frame 3 on the outdoor side from the fitting portion 62 between the upper frame 3 of the lower panel unit 1 and the lower frame 4 of the upper panel unit 1. Since the water in the groove portion 35 is drained between the vertical frames 6 and 7, the water that has entered the upper surface of the upper frame 3 can be drained from the groove portion 35 between the vertical frames 6 and 7. - 特許庁

In addition, the curtain wall is divided into parts 3a and 5a where the horizontal frames (upper frame 3 and blind 5) form the glass frontage and main body parts 3b and 5b other than these. The vertical frames 6 and 7 can be easily framed simply by cutting the ends 31a, 31b, 42a and 42b straight, thereby improving productivity. In addition, the estimated dimensions of the main body portions 3b and 5b of the divided horizontal frames can be freely set. For example, by suppressing the estimated dimensions, the overall weight of the curtain wall can be reduced, which contributes to the reduction of raw material costs and the improvement of workability. do. In the curtain wall of this embodiment, the estimated dimensions of the upper frame 3 and the lower frame 4 are made approximately 50 mm smaller than the estimated dimensions of the vertical frames 6 and 7, so that the weight can be significantly reduced compared to the conventional unit type curtain wall.
In this curtain wall, since the portions 3a and 5a forming the glass frontage of the horizontal frames are engaged with the main portions 3b and 5b of the horizontal frames, the portions 3a and 5a forming the glass frontage of the horizontal frames and the main portion 3b , 5b can be prevented from coming off.
The vertical frames 6 and 7 are formed in a crank shape so that the projection surface (projection wall 18) constituting the glass frontage 13 is located on the outer peripheral side than the other portions, and the horizontal frames 3 and 5 are formed by glass. Since the parts 3a and 5a constituting the frontage are longer than the main body parts 3b and 5b, the vertical frames 6 and 7 can be reduced in size and the design is excellent. Further, the vertical frames 6 and 7 can be easily framed simply by making the portions 3a and 5a constituting the glass frontage of the horizontal frames 3 and 5 longer than the main body portions 3b and 5b.

The invention is not limited to the embodiments described above. The structure of the frame, the type of glass fitted in the frame, etc. are not limited. The cross-sectional shapes of the vertical frame and the horizontal frame can be changed as appropriate. The airtight material provided at the fitting portion between the upper frame of the lower panel unit and the lower frame of the upper panel unit may be provided on the frame member of either the upper or lower panel unit. The shape and material of the catch pan can be changed as appropriate.

1 panel unit 2 catch pan 3 upper frame (horizontal frame)
3a Glass frontage constituent part (part constituting the glass frontage)
3b Body portion 4 Lower frame (horizontal frame)
5 No mesh 5a Glass frontage constituent part (part constituting the glass frontage)
5b body part 6, 7 vertical frame

Claims (1)

A panel unit and a catch pan are arranged side by side in the vertical and horizontal directions. The lower frame of the upper panel unit is engaged with the upper frame of the panel unit from above, the catch pan straddles the upper edge of the adjacent vertical frame of the lower panel unit, The lower end of the frame abuts across the upper surface of the catch pan, so that it is sandwiched between the upper end of the adjacent vertical frame of the lower panel unit and the lower end of the adjacent vertical frame of the upper panel unit. Characteristic curtain wall.

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