JPS6016175Y2 - curved architectural board - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention is capable of extremely orderly and reliably curving a long metal construction board with a cross-sectional shape to an appropriate curvature in the longitudinal direction. The present invention also relates to a curved building board that can increase the bending strength of the curved portion and has good rain protection at the overlapped portion when roofed.

[Conventional technology and its problems, etc.]

Recently, various architectural boards with curved eaves tips have been used on the roofs of station platforms, gymnasiums, factories, etc.

Among them, there is a long metal construction board (commonly known as a single-fold board) with a cross-sectional shape of a cross section, which has sloped parts on both sides of the bottom and a mountain-like part at the top of each board. Research and development are actively being carried out on curving methods for curving the longitudinal direction to appropriate curvatures when viewed from the side, curving forming devices, and curving boards for use in curved construction.

To curve it, the ribs are bent into a bent shape using a pressing technique, and depending on the height and depth of the cross section, different amounts of shrinkage are applied in the longitudinal direction, giving the bottom shape the desired curvature. .

However, the ribs are perpendicular or substantially perpendicular to the longitudinal direction and are only used to form a curved portion, and it has not been possible to increase the bending strength of the curved portion by forming the ribs. However, this rib had the disadvantage that rainwater easily entered the overlapped portion when the patient was fasting.

[Means for solving problems]

Therefore, as a result of intensive research to solve the above-mentioned problems, the inventor developed the present invention by forming an inclined part outwardly upward from both sides of the bottom part, and forming the top surface outward from this upper end. In addition, a sloped edge is provided outwardly and downwardly from this outer end, and at the bottom thereof, a large protrusion spanning the width of this bottom part is bent to the upper surface side or lower surface side, and the sloped part and sloped edge are The inclined protrusion, which gradually becomes smaller as it goes upward, is bent to the inner or outer side.The extending direction of the inclined protrusion is inclined at an appropriate angle with respect to the direction perpendicular to the longitudinal direction, and the end of the large protrusion is inclined. The base of the protrusion is formed continuously, the large protrusion and the inclined protrusion are provided continuously or at appropriate intervals in the longitudinal direction, and the longitudinal direction is curved to an appropriate curvature, so that the protrusion has an appropriate length in the longitudinal direction. The amount of shrinkage is given according to the height and depth), etc., and the longitudinal direction can be curved to the desired curvature extremely orderly and reliably when viewed from the side.
It is possible to increase the bending strength of the curved part, and when roofing is done, the overlapping part can be well protected from rain, eliminating the above-mentioned drawbacks.Furthermore, by making the curved part strong, it can be improved. The thickness of the construction board can be made relatively thin, and the curved construction board can be provided at a relatively low cost.

〔Example〕

Embodiments of the present invention will be described below with reference to FIGS. 1 to 15.

A is a long metal construction board, which is used as a roof board or wall board of a steel frame or reinforced concrete structure.

Reference numeral 1 designates the bottom of the architectural board A, which has a substantially flat cross-section, and has sloped parts 2, 2 which extend outward and upward from both sides of the bottom 1 and are relatively high in height.

The angle of inclination of this inclined portion 2 is approximately 45° to approximately 70° (approximately 600° in the drawing), and the height may be changed as appropriate within a relatively high range.

Approximately horizontal top surfaces 3, 3 having appropriate widths are formed from the upper ends of the inclined portions 2, 2, respectively.

From the outer ends of the top surfaces 3, 3, inclined edges 4, 4 extending outward and downward are formed in series.

The lower end of the inclined edge 4 on one side (the right side in FIG. 6) is bent inward.

In addition, the chevron formed by the upper part of the slope part 2 on one side (the right side in FIG. 6) and the top surface 3 and the slope edge 4 on the other side (the right side in FIG.
It is formed to be larger by the plate thickness t than the chevron formed by the upper part of the sloped part 2 and the top 3 and the sloped edge 4 on the left side in FIG. The chevron portion is configured to overlap the chevron portion on the other side of the adjacent architectural board A in an orderly and reliable manner (see the right side portion of FIG. 6).

The architectural board A, which is formed by the bottom part 1 sloped parts 2, 2 top surfaces 3, 3 sloped edges 4, 4, is a single long metal plate that is integrally formed by a multistage upper and lower roll forming machine. It is molded into
The large protrusions 5 and the inclined protrusions 6, 6', which will be described later, are not bent but are formed linearly in the longitudinal direction.

Further, each corner of the architectural board A is almost always square, but in some cases it may be formed into an arc with a relatively small radius.

The bottom part 1 of the architectural board A has a large shape in a 7-shape (see Figures 1 and 2), an arc shape (see Figure 11), or a zigzag shape (see Figure 12) when viewed from above. The protrusion 5 is formed in a bent manner.

Further, the large protrusion 5 may be formed in a straight line orthogonal to the longitudinal direction of the architectural board A (Figs. 8 and 13).
(see figure).

The large protrusion 5 extends across the width of the bottom part 1 and is bent toward the top or bottom side of the bottom part 1, and the cross section of the large protrusion 5 is formed into a wave shape when it is continuous, or approximately into a wave shape when it is continuous. It is shaped like a saw blade (see drawing).

In reality, it is often made into a wave shape.

The amount of contraction in the longitudinal direction due to the formation of the large protrusion 5 is configured to be the same amount everywhere on the bottom portion 1.

Reference numerals 6 and 6' denote inclined protrusions, which are bent on the inner or outer side of the inclined portions 2 and 2 and the inclined edges 4 and 4', and the direction in which the inclined protrusions 6 and 6' extend corresponds to the architectural direction. An appropriate angle θ(
For example, it is formed at an angle of about 20° to 50°.

(See Figures 2, 7, and 8).

The inclined protrusions 6° 6' are designed to gradually become smaller as they move upward.

The cross sections of the inclined protrusions 6, 6' are formed into a wave shape when continuous, or are formed into a substantially sawtooth shape when continuous (see the drawing).

In reality, the cross sections of the inclined protrusions 6, 6' are often wave-shaped.

Furthermore, when viewed from the perpendicular direction to each of the surfaces of the inclined portion 2 on which the inclined protrusions 6 are formed or the four surfaces of the inclined edges on which the inclined protrusions 6' are formed, the width thereof gradually becomes narrower as it goes upward. (See Figures 1, 2, 7, and 8), but by making the inclined protrusions 6, 6' violent,
If the length of the inclined portion 2 and the inclined edge 4 is required to be reduced in length in the longitudinal direction as it goes upward, it may be formed so that its width gradually increases as it goes upward.

Its inclined ridges 6,6' generally have inclined parts 2, 2 inclined edges 4
, 4 from the lower end to the upper end (first
2, 7, 8, 12, and 13).

If the height of the inclined part 2 is high, the neutral axis is in a relatively lower position, and the material has a little good ductility, the inclined protrusions 6, 6' are formed at the inclined ends of the inclined parts 2, 2. The edges 4, 4 may be provided from the lower end to near the upper end (see Fig. 11).

In either case, the base portions (lower end positions of the slopes) of the inclined protrusions 6, 6' are formed continuously with the ends of the large protrusions 5 of the bottom portion 1.

These large ridges 5 and slanted ridges 6, 6' are formed by press processing after forming the longitudinally straight architectural board A, and only after they are bent into a desired curvature in the longitudinal direction. It can be curved to

The large ridges 5 and the inclined ridges 6, 6' are formed continuously in the longitudinal direction of the building board A, or are formed at appropriate intervals.

Even when they are formed continuously, curved portions with appropriate curvatures may be provided at the end portions (e.g., at the eaves) of the straight architectural board A (see Figure 1), or at appropriate intervals. Even when it is provided, it may be provided over the entire longitudinal direction of the architectural board A and formed into an arch shape with a large curvature.

When the bottom 1 is wide, one or more (one peak in FIG. 13) bulges 7 having a trapezoidal mountain cross section are formed in the middle thereof.

The sloped surfaces on both sides of this bulging portion 7 have the same height and the same slope angle as the sloped portion 2, and the sloped surfaces also have the same height and slope as the sloped portion 2.
An inclined protrusion 6 is formed.

Further, although not shown, a heat insulating material such as foamed synthetic resin may be attached to the back surface of the architectural board A.

In addition, when constructing a roof or wall using the curved construction board, it is necessary to install the curved construction board on the other side (the left side in Fig. The mountain-like part on one side (the right side in Fig. 6) of the adjacent curved construction board is placed on the upper part of the board (consisting of the top part 3 and the sloped edge 4). 3. Fix each other with bolts etc. and install.

Furthermore, the construction board A that is straight in the longitudinal direction is also constructed in the same manner as described above.

[Effect of idea]

In the present invention, inclined parts 2, 2 are formed outwardly and upwardly from both sides of the bottom part 1, and top surfaces 3, 3 are formed outwardly from this upper end.
is formed, and sloped edges 4, 4 are provided outwardly and downwardly from this outer end, and the bottom part 1 is provided with a large protrusion 5 spanning the width of this bottom part 1.
is bent toward the upper surface side or lower surface side, and the inclined portions 2, 2 and the inclined edge 4.4 are provided with inclined protrusions 6, 6' that gradually become smaller toward the inner surface or outer surface. , and the extending direction of the inclined protrusion 6 is inclined at an appropriate angle with respect to the direction perpendicular to the longitudinal direction, so that the end of the large protrusion 5 and the base of the inclined protrusion 6 are continuous, and the large protrusion 5 is inclined. Projection 6
, 6' are provided continuously or at appropriate intervals in the longitudinal direction, and by curving the longitudinal direction to an appropriate curvature, firstly, the inclined protrusions 6 are formed on the waist leather 2, which allows the architectural board A to be curved in an extremely orderly manner. The presence of .6' makes it possible to bend, increase the section modulus in the longitudinal direction and make it stronger, and thirdly, it can be manufactured at low cost.

To explain these effects in detail, firstly, when the bottom part 1 is bent, compressive bending stress is generated to a large extent.
And on the inclined edges 4, 4 (the virtual neutral plane when curving is near the top surface 3), there are large protrusions 5, inclined protrusions 6, 6.
By forming ', it is possible to actively provide an appropriate amount of shrinkage in the longitudinal direction according to the height and depth.

Therefore, it is possible to prevent any compressive bending stress from occurring on the bottom portion 1 inclined portions 2, 2 inclined edges 4, 4, and distortion due to this does not occur. It is possible to form a curve to a desired curvature extremely orderly and reliably.

In addition, in the present invention, the direction in which the inclined protrusions 6, 6' extend is inclined at an appropriate angle in the direction perpendicular to the longitudinal direction,
By forming the inclined portions 2, 2 and the inclined edges 4, 4 into a bent shape, the bending strength of the curved portion formed therein can be increased.

To explain this effect in detail, if ribs b extending in the X direction are arranged in a complicated manner in the y direction on the flat plate a in FIG.
The cross section in the direction becomes continuously larger (the section modulus increases), and the bending strength in the X direction can be significantly increased.

On the other hand, the bending strength in the y direction hardly changes due to the presence of the rib b.

On the other hand, if a plurality of ribs b' extending at an appropriate angle θ' with respect to the X axis are provided in parallel in the y direction as shown in FIG. 14, the cross sections in both the , it is possible to significantly increase not only the bending strength in the X direction but also the bending strength in the Y direction.

Therefore, the present invention applies this theory to the inclined protrusion 6.
．． By slanting the direction in which the ridges 6' extend at an appropriate angle in the direction perpendicular to the longitudinal direction, the cross sections of the slanted protrusions 6, 6' are substantially continuous and large in the longitudinal direction of the building board A. In other words, the section modulus can be increased.

The bending strength of the curved portions of the sloped portions 2, 2 and sloped edges 4, 4 formed in this manner can be increased.

Therefore, the inclined protrusions 6, 6' can be curved to a desired curvature by combining the conditions of giving the amount of shrinkage in the longitudinal direction for curving and the conditions of increasing the section modulus in the longitudinal direction. At the same time, it is possible to form an ideal bend that can increase strength by bending.

In this way, the curved construction board can be made strong against bending, so even if the construction board A is formed with a slightly thinner material, sufficient bending strength can be obtained and material costs can be saved. Therefore, curved construction boards can be provided at relatively low cost.

Furthermore, if this curved construction board is used at the eaves of a roof, and the lower ends of the slanted protrusions 6, 6' are placed in front of the eaves than the upper ends (see Figure 1), rainwater will drain away. It becomes easier to flow downward along the inclined protrusions 6, 6', and it becomes extremely difficult for the water to penetrate into the overlapping parts connecting adjacent parts, so that the overlapping parts can be protected from rain extremely well.

In addition, if the large protrusion 5 is formed in a V-shape, an arc shape, or a zigzag shape when viewed in plan, the section modulus of the bottom portion 1 increases, and the bending strength of the curved construction board can be further strengthened.

By making the curved portion strong, the thickness of the construction board can be made relatively thin, and this has the effect of providing a relatively inexpensive curved construction board.

[Brief Description of the Drawings] Fig. 1 is a perspective view of the present invention, Fig. 2 is a partially enlarged perspective view of Fig. 1, Fig. 3 is an end view taken along arrow II in Fig. 2, and Fig. 4 is an end view as viewed from the ■-■ arrow in FIG. 2, FIG. 5 is an end view as viewed from the ■-■ arrow in FIG. The figures are a vertical sectional side view of FIG. 6, FIG. 8 is a partially enlarged perspective view of the second embodiment of the present invention, FIG. 9 is an end view of the second embodiment of the present invention, and FIG. FIGS. 11 to 13 are perspective views of another embodiment of the present invention, and FIGS. 14 and 15 are perspective views of a flat plate with ribs formed thereon. 1...bottom, 2...slanted part, 3...
...Top surface, 4...Slanted edge, 5...
Large ridge, 6,6'...slanted ridge.

Claims (1)

[Scope of utility model registration request] A sloped portion 2°2 is formed outwardly and upwardly from both sides of the bottom portion 1, a top surface 3, 3 is formed outwardly from this upper end, and inclined edges 4, 4 are provided outwardly and downwardly from this outer end. , on the bottom 1, a large protrusion 5 extending across the width of the bottom 1 is bent upward or downward, and on the sloped parts 2, 2 and the sloped edges 4, 4, the groove gradually becomes smaller as it goes upward. Slanted protrusions 6, 6
' is bent on the inner or outer side, and the inclined protrusion 6
The extending direction of the large protrusion 5 is inclined at an appropriate angle with respect to the direction perpendicular to the longitudinal direction, and the ends of the large protrusions 5 and the bases of the inclined protrusions 6 are continuous, and the large protrusions 5 and the inclined protrusions 6.6' 1. A curved construction board characterized in that the boards are provided continuously or at appropriate intervals in the longitudinal direction, and the longitudinal direction is curved to an appropriate curvature.