JP4246837B2 - Open joint structure of outer wall panel and outer wall panel - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an open joint structure for an outer wall panel and an outer wall panel.
[0002]
[Prior art]
In the construction of the outer wall panels, the joints between the outer wall panels may be made open joints in order to eliminate troublesome sealing work for the joints between the outer wall panels at the site.
[0003]
As an open joint structure in such a case, conventionally, for example, as shown in FIG. 4, in a joint 54 between outer wall panels 53, 53 formed by attaching a steel panel frame 52 to an exterior material 51, There is provided a structure for attaching open joint forming members 55, 55 made of an aluminum extruded shape extruded to a specific cross-sectional shape.
[0004]
The reason why aluminum extruded profiles are used for the open joint forming members 55, 55 is that the special cross-sectional shape necessary for forming the open joint can be obtained relatively easily, and it does not rust even if it is not painted. by.
[0005]
[Problems to be solved by the invention]
However, the use of the open joint forming members 55 and 55 made of an aluminum extrusion method has the advantages as described above, but the open joint forming members 55 and 55 are separately provided as components for realizing the open joint structure. Therefore, there is a problem that the number of members increases, leading to an increase in cost and a decrease in productivity.
[0006]
In view of the conventional problems as described above, it is an object of the present invention to provide an open joint structure of an outer wall panel and an outer wall panel that can reduce the number of members and realize cost reduction and improvement in productivity.
[0007]
[Means for Solving the Problems]
The above-described problem is that the panel frame of the outer wall panel formed by attaching the panel frame to the exterior material includes a frame member that also serves as an open joint forming member including the open joint forming portion, and the oven joint forming portion of the frame member The problem is solved by the open joint structure of the outer wall panel characterized in that the joint between the outer wall panels is open jointed.
[0008]
That is, in the open joint structure of the present invention, the panel frame of the outer wall panel includes a frame member that also serves as an open joint forming member including an open joint forming portion, and the panel frame member and the open joint forming member include It is configured as an integral part in terms of component configuration. Therefore, the number of members constituting the open joint structure of the outer wall panel can be reduced, and cost reduction and productivity improvement can be realized.
[0009]
In the above open joint structure, when the frame member that also serves as the open joint forming member is formed of a thin steel plate, the panel frame is made of steel advantageous in strength and the like, and the open joint forming portion is included. A panel frame member having a complicated and special cross-sectional shape can be easily formed with less difficulty in processing by subjecting it to processing such as bending and refraction using a thin steel plate.
[0010]
Further, when the thin steel plate is made of a rust-proof surface-treated steel plate, it is difficult to rust even if the open joint forming portion gets wet by rain or the like, and there is no need for coating for rust prevention.
[0011]
Furthermore, when the pair of upper and lower horizontal open joint forming members and frame members that open joint the horizontal joints between the upper and lower outer wall panels are composed of members having the same cross-sectional shape, and / or between the left and right outer wall panels. When the left and right pair of vertically open joint forming members and frame members that open joints are made of members having the same cross-sectional shape, the components can be shared, the number of types of members can be reduced, and further Cost reduction and productivity improvement can be realized.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings.
[0013]
In the outer wall structure shown in FIG. 3, 1 is an outer wall panel, 2 is a horizontal joint, 3 is a vertical joint, and both joints 2 and 3 are open joints.
[0014]
As shown in FIGS. 1 and 2, the outer wall panel 1 is configured by attaching a panel frame 5 to the back surface of the exterior material 4, and the panel frame 5 is attached to the upper and lower edges of the exterior material 4 sideways. Horizontal frame members 6, 6 and vertical frame members 7, 7 attached to the left and right edges of the exterior material 4 in a vertical direction. These vertical and horizontal frame members 6, 6, 7, and 7 are configured as open joint forming member frame members including the open joint forming portions 6b, 6b, 7b, and 7b.
[0015]
That is, in the horizontal frame members 6 and 6 shown in FIG. 1, 6a and 6a are U-shaped frame member body portions, 6b and 6b are open joint forming portions, and the horizontal frame members 6 and 6 are respectively It consists of a molded product of a thin-walled surface-treated steel sheet that has been subjected to surface treatment such as hot dip galvanization. It is formed on a frame member that also serves as an open joint forming member. The open joint forming portions 6b and 6b in the horizontal frame members 6 and 6 are formed into a specific cross-sectional shape that forms a constant pressure space portion 8 that makes it difficult to invade water by going up in a stepwise manner toward the rear. Has been. As shown in the figure, the horizontal frame members 6 and 6 facing each other in a pair in the vertical direction include the open joint forming portions 6b and 6b and are made of a common member having the same cross-sectional shape. By attaching the members 6 and 6 to the upper and lower exterior materials 4 and 4 so as to face each other upside down, the step-shaped isobaric space 8 as described above is formed between the open joint forming portions 6b and 6b. It is configured as follows. In addition, 9 is a rain barrier made of a material such as rubber, and 10 is a gasket.
[0016]
Moreover, in the vertical frame members 7 and 7 shown in FIG. 2, 7a and 7a are frame member main-body parts with a U-shaped cross section, and 7b and 7b are open joint formation parts. Each of the vertical frame members 7 and 7 is also formed of a thin surface-treated steel sheet that has been subjected to surface treatment such as hot dip galvanization, and the thin steel sheet is subjected to forming processing such as bending, refraction, bending, etc., and an open joint. It is formed on a frame member that also serves as an open joint forming member that integrally includes the forming portions 7b and 7b. The open joint forming portions 7b and 7b in the vertical frame members 7 and 7 are formed in such a manner that a constant pressure space portion 11 that meanders rearward and makes it difficult for water to enter is formed between them. . As shown in the figure, the vertical frame members 7 and 7 that are opposed to each other in a pair on the left and right sides include open joint forming portions 7b and 7b, and are made of a common member having the same cross-sectional shape. By attaching the members 7 and 7 to the left and right exterior members 4 and 4 so as to face each other in the opposite direction, the above-described meandering or more isobaric space portion 11 is formed between the open joint forming portions 7b and 7b. It is structured. In addition, 12 is a rain barrier and 13 is a gasket for a wind barrier.
[0017]
As shown in FIG. 2A, the ends of the vertical and horizontal frame members 6 and 7 are, for example, drawn on the end of either one (in the illustrated case, the horizontal frame member 6). The portion 14 may be connected to the other end (in the illustrated case, the vertical frame member 7) by being fitted and joined by joining means such as rivets 15.
[0018]
In the above open joint structure, the frame members 6, 6, 7, 7 constituting the panel frame 5 are integrated with the open joint forming portions 6 b, 6 b, 7 b, 7 b for forming the joints 2, 3 as a part. Since the frame members 6, 6, 7, and 7 are configured as frame members that also serve as open joint forming members, the number of members constituting the open joint structure of the outer wall panel 1 can be reduced, resulting in cost reduction and productivity. Improvements can be realized. Moreover, since the frame members 6, 6, 7, and 7 that are also used as open joint forming members are formed of thin steel plates, the panel frame 5 is made of steel that is advantageous in terms of strength and the like, and includes the open joint forming portion. Therefore, the panel frame members 6, 6, 7, and 7 having a special cross-sectional shape can be easily formed with little difficulty in processing. Moreover, since the thin steel plate is made of a surface-treated steel plate having a rust-proof surface treatment such as hot dip galvanization, the open joint forming portions 6b, 6b, 7b, 7b are not easily rusted even when wet due to rain, etc. There is no need for painting. Further, the horizontal frame members 6 and 6 are configured as a common member having the same cross-sectional shape regardless of whether the horizontal frame members 6 and 6 are attached to the upper edge or the lower edge of the exterior material 4. The vertical frame members 7 and 7 are also configured as a common member having the same cross-sectional shape regardless of whether the vertical frame members 7 and 7 are attached to the left edge or the right edge of the exterior material 4. Therefore, the number of types of components can be reduced, and further cost reduction and productivity improvement can be realized.
[0019]
【The invention's effect】
Depending on the above, the open joint structure of the outer wall panel and the outer wall panel of the present invention have the above-described configuration. Therefore, in realizing the open joint structure, the number of members can be reduced, and the cost can be reduced. It has various advantages such as being able to realize productivity improvement.
[Brief description of the drawings]
1A is a cross-sectional view taken along the line II of FIG. 3 showing an embodiment of an open joint structure in a horizontal joint, and FIG. 1B is a cross-sectional perspective view of a horizontal frame member.
2A is a cross-sectional view taken along the line II-II of FIG. 3 showing an embodiment of an open joint structure in a vertical joint, and FIG. 2B is a cross-sectional perspective view of a vertical frame member.
FIG. 3 is a front view of an outer wall.
FIG. 4 is a cross-sectional view showing a conventional open joint structure.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Outer wall panel 2 ... Horizontal joint 3 ... Vertical joint 4 ... Exterior material 5 ... Panel frame 6 ... Horizontal frame member 6b ... Open joint formation part 7 ... Vertical frame member 7b ... Open joint formation part

Claims (4)

An open joint structure of an outer wall panel in which a horizontal joint between the upper and lower outer wall panels is formed as an open joint, and each of the panel frames of the upper and lower outer wall panels includes a frame member that also serves as an open joint forming member including an open joint forming portion. The open joint forming member combined frame member is an integrally molded product of thin steel plates, and is directed rearward between the open joint forming member combined frame member of the upper and lower outer wall panels between them. equal pressure space portion is formed, open joint structure of the outer wall panel, characterized in that open joint the horizontal joint between the upper and lower outer side wall panels to easily enter the water up to the stepped Te. An open joint structure of an outer wall panel in which a vertical joint between the left and right outer wall panels is formed as an open joint, and each of the panel frames of the left and right outer wall panels includes a frame member that also serves as an open joint forming member including an open joint forming portion. The open joint forming member combined frame member is an integrally formed product of thin-walled steel plates, and is directed rearward between the open joint forming member combined frame member of the left and right outer wall panels. The open joint structure of the outer wall panel is characterized by forming an isobaric space portion that meanders and makes it difficult for water to enter, and the vertical joint between the left and right outer wall panels is open jointed. The open joint structure of an outer wall panel according to claim 1 or 2, wherein the thin steel plate is a rust-proof surface-treated steel plate. The open joint structure of the outer wall panel according to any one of claims 1 to 3, wherein both open joint forming member / frame members forming the isobaric space portion are members having the same cross-sectional shape .

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