JPS6022164Y2 - Architectural thin plate member with uneven cross section - Google Patents

Description

[Detailed description of the invention] This invention is used for roofing members of large structures such as gymnasiums, factories, etc. or general houses, or for buildings with uneven cross-sections such as keystone plates or deck plates as base members for concrete. Regarding the thin plate member for construction, the purpose is to provide a thin plate member for construction that has good strength and rain protection.

Conventionally, in the case of a so-called side plate used as a roof member, a thin plate member for construction having an uneven cross-sectional shape is formed by bending the bottom part 31 of the member (as shown in a partial cross-sectional view in FIG. 3) to form an inclined part 33.
The other end of the inclined part 33 is further bent to be parallel to the bottom part 31 to form the top part 32, and the inclined part 34 and the bottom part 35 are sequentially formed so that this convex part is continuous.

Here, the uneven portion is provided to improve the strength against loads related to the roof, such as snowfall.

That is, when comparing a flat plate such as a steel plate and a flat plate formed into an uneven shape as a roofing material with the same thickness, for example, 0.6 rrrrt+, the latter has far superior strength.

However, when it rains after being used as a roofing member, rainwater tends to bounce back onto the top 32 of the member, and although this member is normally engaged with the roof base material at the top, corrosion tends to invade at this location, so-called rainwater retention is poor. However, during normal snowfall, it is possible to prevent the destruction of these irregularities, that is, the phenomenon of sagging of the mountain, but there are actual cases where the phenomenon of sagging could not be completely prevented during heavy snowfall that occurs once every few years, so it is still not strong enough. It's not enough either.

On the other hand, Japanese Utility Model Application Publication No. 50-158338 discloses a ceiling hanging device for a single-fold roof, in which a folded roof for hooking a ceiling fan is formed on an inclined part of the fold-plate roof.

However, in this disclosed technology, the first folded end does not come into close contact with the inclined part, but rather, since the hook is a part, it is separated from the inclined part in order to create a locking space, and furthermore, since the hook is a part, Only one hook is required on the slope, and since there is a space in the folded part, it is weak against the torsional stress of the folding plate, and it is more susceptible to the torsional stress of the folding plate than the conventional one without folded parts. The drawback was that it was weaker than a folded version.

In view of the above-mentioned circumstances, the inventor of this invention has arrived at this invention as a result of intensive research for many years regarding the improvement of architectural thin plate members having an uneven cross-sectional shape, and will be explained below based on the drawings.

FIG. 1 shows a perspective view of an embodiment of a building member according to this invention, and FIG. 2 shows a partial sectional view of FIG. 1.
In Fig. 1, 1 is a bottom portion forming an uneven concave portion, 2
4 is an inclined portion having a folded portion 3, and 4 is a top portion forming an uneven convex portion.

In this embodiment, two folded parts 3 are provided on the inclined part 2, but the required number of folded parts 3 may be normally provided at predetermined intervals depending on the required length of the inclined part 2. As shown in the partial sectional view, the folded portion 3 is provided so that the thickness of the base material 5 becomes three times as thick at the folded portion 3 when the inclined portion 2 is formed.

That is, in this embodiment, the thin plate member 6 for construction having an uneven cross-section has a bottom portion 1, an inclined portion 2, a top portion 4, and an inclined portion 2 as one unit, and these units are continuous, and the inclined portion 2 has a bent portion. a and 7b are provided in two places to form a folded part 3 in which the thin plate-like member 5 has three layers, and the three layers of the thin plate-shaped member 5 are parallel to and in close contact with each other, and the folded part 3 is formed into one inclined part. 2, and furthermore, the bent portion 7a located on the outside of the thin plate-like member 6 for construction having an uneven cross-section is located closer to the bottom portion 1 than the bent portion 7b located on the inside.

In order to manufacture this irregularly shaped architectural plate, in the factory,
The sloped part 2 is shaped by a conventional method such as pressing material so that the bottom part 1 and the top part 3 are parallel, and the required number of folded parts 3 are provided on this sloped part 2 at the same time as the formation of this sloped part 2. The process may be continuously repeated for a predetermined length of the thin plate member 5.

Specific examples of the thin plate member 5 used in this invention include steel plates such as steel plates, tin plates, and galvanized steel plates, copper plates, brass plates, lead plates, zinc plates, phosphor bronze plates, nickel silver plates, aluminum plates, and stainless steel plates. Examples include nonferrous metal plates such as, clad plates made of various combinations of the plate bodies described above, such as a laminated plate of a steel plate and a copper plate, and vinyl steel plates made of a galvanized steel plate coated with vinyl. Examples include those whose surfaces are coated to improve their aesthetic appearance.

As described in detail above, since the thin plate member 6 for construction with an uneven cross section according to the present invention has at least two folded portions 3 on the inclined portion 2, it has a smaller thickness than the conventional plate member for construction with an uneven shape. ITrF! Even if the base material 5 is thinner than IL, it can be used as a base material for concrete that is thinner and stronger than conventional keystone plates or deck plates, and if used as a roof material, the folded portion 3 Since the rainwater bounces around the bent part 7a of the roof and flows along the bottom part 1, corrosion of the top part 4 due to rainwater can be prevented, so-called rainwater is prevented, and the strength of both the base member and the roof member is improved. The required spacing between fixing parts such as bolts required for locking with the roof base material or base base material can be made larger than in the past.

[Brief explanation of drawings]

Fig. 1 is a perspective view of an embodiment of an architectural thin plate member with an uneven cross section according to this invention, Fig. 2 is a partial sectional view thereof, and Fig. 3
The figure is a partial sectional view of a conventional example. In the figure, the meanings of the main symbols are as follows. 1...bottom, 2...slanted part, 3...
...Folded part, 4...Top part.

Claims (1)

[Scope of utility model registration request] A thin plate-like member for construction with an uneven cross-section in which the bottom, slope, top, and slope are continuous as one unit, and the slope is provided with two bent parts so that the thin plate-like member is folded into three layers. The three layers of the thin plate member are parallel to each other and in close contact with each other, and the folded portion is provided at two or more places on the inclined part of the first part, and the bent part is located outside of the thin plate member for construction having an uneven cross section. 1. A thin plate-like member for construction having an uneven cross-section, characterized in that the bent portion is located closer to the bottom than the bent portion located inward.