JPS6227220B2 - - Google Patents

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to the structure of the outer wall of a building, which is constructed by constructing a window unit and an exterior panel vertically along the outer surface of the building. It is characterized by its ability to provide good rain protection during construction.

[Prior art] Conventionally, the so-called equal pressure principle was used to develop the structure of the joint part of the outer wall, for example, in Japanese Patent Application Laid-Open No. 52-25418.
As disclosed in the above publication, it has been proposed to form a raindrop prevention piece in an equal pressure space into which outside air is introduced.

[Problems to be Solved by the Invention] However, with the above-mentioned configuration, rain protection at the joint part of the exterior panel, the joint part between the exterior panel and the window unit, and the glass attachment part of the window unit is not sufficient. was considered a problem.

[Means for Solving the Problems] This invention provides an exterior wall of a building having a window opening, an exterior panel on the outer surface of the exterior wall, and a window unit on the same plane as the exterior panel outside the window opening. At the same time, the side edges of each window unit and the exterior panel are held air and watertight through a tight material against a rail-like member that continues vertically on the outer surface of the exterior wall, and the exterior panel and the building A space is formed between the window unit and the exterior wall, an outside air inlet communicating with the space is formed between the upper part of the window unit and the exterior panel, and the space between the lower part of the window unit and the exterior panel is sealed. By proposing an outer wall structure of a building, in which the inside of the surrounding frame of the window constituting the window unit is communicated with the space, and the pressure of the space and the inside of the surrounding frame of the window is equal to the outside pressure. , which aims to solve the above problems.

[Operation] The present invention will be explained in detail below based on the accompanying drawings.

FIG. 1 is a schematic front view of a curtain wall having the structure of the present invention, in which 1 is a window unit, 2 is a window unit,
3 is an exterior panel, and 3 is a rail-like member, such as a gondola guide rail, which is disposed between the window units 1 and 1 and between the exterior panels 2 and 2 and continues in the vertical direction. Although not shown in the drawing, the window unit 1 and the exterior panel 2 are alternately formed on the same plane along the vertical direction.
As shown in FIG. 2, the window units 1 and exterior panels 2 in each row are arranged in a zigzag pattern having alternately inside corners and outside corners.

As shown in FIG. 3, the window unit 1 has an anchor bolt 6' inserted into an opening 5 provided in a frame 4.
A peripheral frame 9 of the window is attached to the outer surface of the opening 5 via a bracket 8 connected by a fastener 6 such as a bolt or a nut to a fastener 6 fixed by a fastener 6, and a window frame 9. The window frame 9 is formed with a glass 11 that is fitted into a mounting groove 9' formed on the inner periphery of the window frame with a sealing material 10 interposed therebetween, and a four-periphery space 12 that communicates with each other is formed in the window frame 9. A small space 14 is formed between the mounting groove 9' and the glass 11 and communicates with the four circumferential spaces 12 through a communication port 13 formed in the window frame 9. Note that a sealing material 15 is filled between the window frame 9 and the frame 4 to maintain watertightness of the opening 5. Moreover, A is a ceiling board.

On the other hand, the exterior panel 2
A bolt 1 is attached to the outer surface of the frame 4 at a position near the top of the
The lower end of the panel body 18 is held by a mounting bracket 17 fixed at 6, and one side end of the panel body 18 is held by another mounting bracket 17' fixed to the frame body 4. , caulking material 1 between the upper end of the panel body 18 and the lower end of the unit 1.
A space 20 is formed between the exterior panel 2 and the frame 4 with an interval between the upper part of the window unit 1 and the lower part of the exterior panel 2. It is communicated with the outside air through an outside air introduction port 21 formed between them. and,
This space 20 includes a communication port 22 provided at an appropriate position at the lower end of the window frame 9 constituting the window unit 1.
It is communicated with the four circumferential space 12 by.

In addition, in order to prevent raindrops or the like that have entered the space 20 from entering the indoor side from the fixed part of the mounting bracket 17 due to kinetic energy, the fixed part of the mounting bracket 17 is vertically installed from above this fixed part. It is protected by a flushing plate 23.

Further, as shown in FIGS. 4 and 5, the gondola guide rail 3 has flanges on both sides of a gondola guide rail mounting bracket 25, which has a substantially hat-shaped cross section and is bolted to an anchor 24 buried in the frame 4. Bolts on parts 25' and 25', respectively.
Approximately T to which outward flanges 3a, 3a protruding from both sides are fixed with fixing tools 26 such as nuts.
It is formed of a shape member 3c having a character-shaped groove 3b, and forms a vertical space 27 between it and the frame 4. In this case, the vertical space 27 is formed by the tight members 28, 28 attached to both sides of the outer surface of the profile 3c.
Although the window frame 9 and the panel body 18 of the exterior panel 2 are in close contact with each other, it is cut off from the outside air.
communicates with the space 20 on the back surface of the exterior panel 2,
A communication port 22' provided on the side surface of the window frame 9
It communicates with the four-periphery space 12 of the window frame 9 via. Note that exterior profiles 3d and 3d for attaching the tight material 28 are attached to both sides of the outer surface of the profile 3c forming the gondola guide rail 3, and an auxiliary member is installed between the exterior profile 3d and the profile 3c. Vertical space 2
9 is formed, and this auxiliary vertical space 29 is formed by the exterior profile 3
It communicates with the outside air through an outside air introduction port 30 provided at d, and communicates with the vertical space 27 and space 20 through a communication port 31 provided at an appropriate location on the end locking portion of the shape member 3c. . Also, one side of the fixed part of the gondola guide rail 3 (see Figs. 4 and 5)
On the left side in the figure), a horizontal airflow blocking plate 34 is fixed by screws 33 to a bracket 32 fixed to the flange 25' of the gondola guide rail mounting fitting 25, and this airflow continuing in the vertical direction is The connecting space formed by the vertical space 27 and the space 20 is divided in the horizontal direction by the blocking plate 34, and this connecting space is made into a unit, so that the entire pressure is instantly equalized. It has been done.

[Effects of the Invention] In the building exterior wall structure of the present invention configured as described above, the space 20 formed between the rear surface of the exterior panel attached to the outer surface of the frame 4, that is, the space 20 formed between the frame 4 and the window unit 1 It communicates with the outside air only through the outside air inlet 21 formed between the upper part of the window and the lower part of the exterior panel 2, and through this space 20, the window frame that constitutes the window unit 1, that is, the space around the four circumferences of the window frame 9. 12 is made to have the same pressure as the outside pressure, so that the space 20 and the surrounding space 12, which are formed along with the installation of the window unit 1 and the exterior panel 2, can be made to have the same pressure as the outside pressure instantly. As a result, it is possible to improve rain control using the isobaric principle. Further, according to the structure of the present invention, it is not necessary to perform complicated processing on the constituent members of the curtain wall, and an equal pressure space can be easily and safely formed, so that the number of constituent members can be reduced. At the same time, excellent effects such as being able to facilitate on-site construction and shorten the construction period are obtained, and its utility value is remarkable.

In the above example, the present invention is applied to a curtain wall in which inner corners and outer corners are alternately formed between window units and exterior panels in the horizontal direction. The present invention is not limited to this, and similar effects can be obtained even in a structure having a normal planar arrangement.

[Brief explanation of the drawing]

FIG. 1 is a schematic front view showing the main parts of a curtain wall having the structure of the present invention, and FIG. 2 and FIG. be. In the figure, 1...window unit, 2...exterior panel, 3...rail-like member (gondola guide rail), 4...framework, 5...opening, 9...window frame (periphery frame of window), 12...four-periphery space, 13 ...Communication port, 14...
Small space, 15...Sealing material, 17...Mounting metal fittings,
18...Panel body, 20...Space, 21...Outside air introduction port, 22...Communication port, 27...Vertical space, 34...Horizontal direction airflow blocking plate.

Claims (1)

[Claims] 1. In an exterior wall of a building that has a window opening, an exterior panel is placed on the outside surface of the exterior wall, and a window unit is placed outside the window opening on the same plane as the exterior panel, and perpendicular to the outside surface of the exterior wall. The side edges of each window unit and the exterior panel are held air and watertight through a tight material against a rail-shaped member that continues in the direction, and a space is formed between the exterior panel and the building's outer wall, and the window A peripheral frame of a window forming the window unit, which forms an outside air inlet communicating with this space between the upper part of the unit and the exterior panel, and seals between the lower part of the window unit and the exterior panel. An external wall structure of a building, in which the inside is communicated with the space, and the space and the inside of the surrounding frame of the window are made to have an equal pressure with the outside air pressure.