JP2009174251A - Folded-plate roof, folded-plate roof cover, and tight frame - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a folded-plate roof capable of enhancing the mounting strength of a folded-plate roof cover against a negative pressure load while the processing is easy and cost can be suppressed. <P>SOLUTION: This folded-plate roof is formed by holding the folded-roof cover A by a tight frame B. The folded-plate roof cover A comprises diagonally upwardly projecting ridge part half bodies 2, 2 on both sides of a valley part 1. A fitting lock part 9 is formed at the generally center part of the valley part 1. The tight frame B comprises a fixed projecting part 6 of reverse U-shape in cross section and a fixed part 16 projecting to both sides of the fixed projecting part 6. The fixed part 16 comprises an upwardly projecting part to be locked and fitted 10. The fitting and locking part 9 of the folded-plate roof cover A is fitted while the adjacent parts to be fitted and locked 10, 10 of the tight frame B are positioned close to each other. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a folded plate roof constituting a roof of a house or a factory, a folded plate roof material used when forming the folded plate roof, and a tight frame.

Conventionally, a folded plate roof is formed by attaching a tight frame to the roof base and holding the folded plate roof material on the tight frame, and the folded plate roof material is formed in the valley portion. Has also been proposed to increase the mounting strength by fixing it to the roof base (for example, see Patent Document 1).
Japanese Patent Laid-Open No. 10-183848

  However, in the thing of the said patent document 1, since a pair of intermediate | middle fixing | fixed part is formed in the intermediate part of the fixing tool for attaching a metal forming board to a base member by bending etc., formation of an intermediate | middle fixing | fixed part is difficult. There was a problem.

  The present invention has been made in view of the above points, and a folded plate roof that can increase the mounting strength of the folded plate roof material against negative pressure load, despite being easy to process and reducing cost. And it aims at providing the folded-plate roof material and tight frame used for this.

  The folded plate roof according to claim 1 of the present invention is a folded plate roof formed by holding the folded plate roof material A by the tight frame B, and the folded plate roof material A is obliquely upward on both sides of the valley portion 1. And the fitting frame 9 at a substantially central portion of the valley 1, and the tight frame B has an inverted U-shaped fixed projection 6 and fixed projection 6. The fixing portion 16 has a fitting engagement portion 10 protruding upward, and the fitting engagement portions 10 and 10 of the adjacent tight frames B are brought close to each other. In this state, the fitting latching portion 9 of the folded plate roof material A is fitted.

  The folded-plate roof material A according to claim 2 of the present invention is a folded-plate roof material A held by a tight frame B, and forms mountain halves 2 and 2 projecting obliquely upward on both sides of the valley portion 1. The fitting locking portion 9 for fitting the fitting locking portions 10 and 10 provided in the fixing portions 16 and 16 of the adjacent tight frames B and B close to each other is provided at the approximate center of the valley portion 1. It is formed in a part.

  The tight frame B according to claim 3 of the present invention is a tight frame B for holding the folded-plate roof material A, and protrudes the fixing portions 16, 16 on both sides of the fixed protrusion 6 having an inverted U-shaped cross section. The fitting engagement portions 10 and 10 for fitting the engagement engagement portions 9 formed in the substantially central portion of the valley portion 1 of the folded plate roof material A are formed in the fixing portions 16 and 16. The fitted locking portions 10, 10 of the adjacent fixing portions 16, 16 are formed so as to be close to each other.

  According to the first aspect of the present invention, the valley portion 1 of the folded-plate roof material A is connected to the tight frame B by fitting the fitting engagement portion 9 to the engagement engagement portion 10 and elastically engaging the engagement engagement portion 9 with the fitted engagement portion 10. And the attachment strength of the folded-plate roof material A to the roof base can be increased. In addition, the tight frames B and B are divided into left and right at the approximate center of the valley portion 1 of the folded plate roof material A, and the fitted locking portions 10 and 10 are close to each other, for example, joined in a palm shape. When the negative pressure force is applied to the folded plate roof material A, the fitted locking portions 10 and 10 in the close state can compete with each other, and the mounting strength of the folded plate roof material A against the negative pressure load Can be increased. Further, since the fitted locking portions 10 and 10 of the tight frame B divided into the left and right are joined, there is no need to form a plurality of fitted locking portions 10 in the middle part of the tight frame B, and the tight frame The processing of B is easy and the cost can be reduced.

  According to the second aspect of the present invention, the trough portion 1 can be connected and held to the tight frame B by fitting the fitting locking portion 9 to the fitted locking portion 10 and elastically locking them. It is possible to increase the attachment strength to the roof base. Moreover, since the tight frames B and B are divided into the right and left at the substantially central portion of the valley portion 1 and the mating engagement portions 10 and 10 are close to each other by joining in a palm shape, the negative pressure force is When it acts, the to-be-fitted latching | locking parts 10 and 10 of the state which adjoined can mutually compete, and the attachment intensity | strength with respect to a negative pressure load can be raised.

  The invention of claim 3 connects and holds the trough portion 1 of the folded-plate roof material A by fitting the fitting locking portion 9 to the fitted locking portion 10 and elastically locking them. It is possible to increase the attachment strength of the folded roof material A to the roof base. In addition, the folded plate roofing material A is divided into the left and right at the substantially central portion of the valley portion 1 of the folded plate roofing material A, and the fitted locking portions 10 and 10 are adjacent to each other, for example, joined to a palm shape. When the force of negative pressure is applied to the fitting engagement portions 10 and 10 in the close state, they can compete with each other, and the attachment strength of the folded roof material A against negative pressure load can be increased. It is. In addition, since the fitted locking portions 10 and 10 divided into the left and right are joined, it is not necessary to form a plurality of fitted locking portions 10 in the intermediate portion, and the processing is simple and the cost can be reduced. Is.

  Hereinafter, the best mode for carrying out the present invention will be described.

  The folded plate roof of the present invention is formed by holding the folded plate roof material A by the tight frame B.

  As shown in FIG. 2, the folded plate roof material A of the present invention is formed by bending a metal plate such as a coated steel plate or a galvanized steel plate, and is long in the inclination direction (flow direction) of the roof. Is formed. Moreover, the folded-plate roof material A is formed in the cross-sectional substantially U shape, and is provided with the trough part 1 and the peak part half bodies 2 and 2 which protrude toward diagonally upward from the both side edge parts. Has been. A fitting locking portion 9 is provided over substantially the entire length in the longitudinal direction of the folded-plate roof material A at a substantially central portion in the width direction of the valley portion 1 (a direction orthogonal to the longitudinal direction of the folded-plate roof material A). . The fitting locking portion 9 is formed by bending so as to protrude toward the front surface side (upper side), and is formed in a substantially inverted U-shaped cross section with the lower surface opened. Moreover, the lower surface opening of the fitting locking part 9 is narrowed so that the width dimension thereof is slightly narrowed, and the lower surface opening edge is formed as locking parts 9a and 9a. The above-mentioned one peak half body 2 a is formed from an inclined portion 3 that protrudes obliquely upward from one side end of the valley portion 1 toward the outer side (the opposite side to the valley portion 1), and an upper end of the inclined portion 3. The top part 23 protrudes substantially horizontally toward the outer side (the side opposite to the valley part 1), and the fitting part 24 having a substantially inverted U-shaped cross section that protrudes upward from the end of the top part 23. ing. In addition, the other peak half body 2b is formed from an inclined portion 3 that protrudes obliquely upward from one side end of the valley portion 1 (on the opposite side to the valley portion 1), and an upper end of the inclined portion 3. Consists of a top portion 23 that protrudes substantially horizontally toward the outer side (opposite to the trough portion 1), and a fitted portion 25 having a substantially inverted L-shaped cross section that protrudes upward from the end portion of the top portion 23. Has been.

  As shown in FIG. 3, the tight frame B of the present invention is formed by bending a metal plate such as a rectangular (band-shaped) steel plate, and includes a fixed protrusion 6 having an inverted U-shaped cross section, Flat fixed portions 16 and 16 projecting outward (side) from both lower ends of the fixed projecting portions 6, and fitted engagement portions 10 projecting upward from the end portions of the respective fixed portions 16. And is formed. The fixed projection 6 includes a substantially horizontal plate-like top 8 and leg portions 32 and 32 projecting obliquely downward from the opposite ends of the top 8 to the outer side (opposite to the top 8). The fixed portion 16 extends from the lower end of the leg portion 32. Further, the fitted locking portion 10 includes a protruding piece 11 extending from the end of the fixed portion 16 toward the upper side, and a locked portion 12 extending to the end (upper end) of the protruding piece 11. It is formed with. The locked portion 12 is formed in a substantially cross-sectional or reverse-shaped cross section in which a substantially central portion in the vertical direction protrudes toward the fixed protrusion 6.

  And when forming the folded-plate roof of this invention, it can construct as follows. First, a plurality of tight frames B, B... Are fixed on a roof base such as a purlin of a building. At this time, the tight frame B can be fixed to the roof base by placing the fixing portion 16 of the tight frame B on the roof base and joining the fixing portion 16 to the roof base by welding or the like. A plurality of the tight frames B can be mounted side by side in the longitudinal direction of the roof base, whereby the tight frames B can be arranged in parallel over almost the entire length of the roof base in the longitudinal direction (direction perpendicular to the roof inclination direction). . In this case, the width direction of the top portion 8 of the fixed protrusion 6 coincides with the longitudinal direction of the roof base. And the to-be-fitted latching | locking parts 10 and 10 provided in the edge part of adjacent tight frame B and B are joined. Thus, when joining the adjacent to-be-fitted latching | locking parts 10 and 10, while making the outer surfaces of the protrusion pieces 11 and 11 contact, the front-end | tips (upper end) of the to-be-latched parts 12 and 12 are made to contact. With this, it is possible to join and approach adjacent fitting engagement portions 10 and 10 in a state of being held together.

  Next, one folded plate roof material A is constructed on a plurality of roof bases arranged side by side in the inclination direction of the roof. At this time, the folded plate roof material A is placed on the tight frame B attached to the roof base so that the folded plate roof material A is covered from the upper side, and the folding is between the adjacent fixed protrusions 6 and 6 of the tight frame B attached to the roof base. The trough portion 1 of the plate roof material A is positioned and placed on the fixing portion 16 of the tight frame B. At this time, as shown in FIG. 4 (a), the engagement locking portions 9 formed on the valley portion 1 of the folded roof material A are placed on the engagement engagement portions 10 and 10 in the state of being joined and close to each other. The engagement portion 9a of the engagement engagement portion 9 is engaged with the engagement engagement portion 9 below the engagement portion 12 of the engagement engagement portion 10. In this way, the folded plate roof material A is connected and attached to the tight frame B at the valley 1 portion. Further, the top portion 23 of the mountain portion half body 2 b on which the fitted portion 25 of the folded plate roof material A is provided is arranged above the top portion 8 of the fixed protrusion 6.

  Next, another folded plate roof material A different from the above is constructed on a plurality of roof bases arranged in parallel in the inclination direction of the roof. Here, the newly-folded folded-plate roof material A is disposed adjacent to the existing folded-plate roof material A, so that one of the fixed protrusions 6 and 6 is folded. The plate roof materials A and A are in a state adjacent to each other. Also, the folded roof material A to be newly installed is arranged so as to cover the tight frame B attached to the roof base from the upper side, and the fixed protrusions 6 adjacent to the tight frame B attached to the roof base are the same as described above. , 6, the trough portion 1 is positioned, and the fitting locking portion 9 and the fitting locking portion 10 are fitted and elastically locked in the same manner as described above. Further, the fitting portion 24 of the mountain half 2a closer to the existing folded plate roof A of the newly installed folded plate roof A is replaced with the above-mentioned mountain half 2b of the existing folded plate roof A. It fits into the fitted part 25 from above. Thereby, the to-be-fitted part 25 of the existing folded-plate roof material A is located inside the fitting part 24 of the newly-folded folded-plate roof material A. The fitting portion 24 is bent and locked to the lower side of the fitted portion 25 of the existing folded-plate roof material A. In this way, the adjacent mountain half halves 2a and 2b are connected to each other by joining the mountain half halves 2a and 2b of the adjacent folded-plate roofing materials A and A by brazing (clamping). A mountain portion 22 is formed. In addition, you may employ | adopt connection methods, such as bolt fastening, instead of screw fastening. Further, a hanging member may be projected from the top portion 8 of the tight frame B, and this hanging member may also be fastened. Then, by laying the plurality of folded-plate roof materials A, A... Sequentially connected in this way, as shown in FIG. A folded plate roof of the present invention can be formed.

  In the folded-plate roof of this invention, the fitting latching | locking part 9 is provided in the trough part 1 of the folded-plate roof material A, and the to-be-fitted latching | locking part 10 is provided in the fixing | fixed part 16 of the tight frame B, 9, the folded plate roof material A and the tight frame B are connected by fitting and locking the fitted locking portion 10, so that the upper portion 22 of the folded plate roof material A is fixed. In addition to (tightening or bolting), fixing at the bottom valley 1 of the folded plate roofing material A can be combined, and the strength of the folded plate roofing material A attached to the tight frame B and the roof base is increased. Can do. Therefore, in the case of the conventional example shown in FIG. 5, negative pressure is applied to the folded-plate roof material A after construction, and there is a possibility that the trough 1 may be lifted as shown by the wavy line. 1 can be prevented from floating due to negative pressure. Further, the tight frames B and B are divided into left and right, and the fitted locking portions 10 and 10 are close to each other by joining them in a palm-like shape. 10 and 10 can compete with each other, and the attachment strength of the folded-plate roof material A against negative pressure can be increased. Further, since the fitted locking portions 10 and 10 of the tight frame B divided into the left and right are joined, there is no need to form a plurality of fitted locking portions 10 in the middle part of the tight frame B, and the tight frame The processing of B is easy and the cost can be reduced.

  In addition, the shape of the to-be-fitted latching | locking part 10 is not specifically limited, What is necessary is just to be able to fit and latch to the fitting latching | locking part 9, For example, in what is shown in FIG.4 (b), The mating / locking portion 10 includes a protruding piece 11 extending upward from the end of the fixed portion 16 and a locked portion 12 extending to the end (upper end) of the protruding piece 11. However, the locked portion 12 is formed so as to protrude obliquely downward from the upper end of the protruding piece 11 on the fixed protruding portion 6 side. In this case, the adjacent engaged locking portions 10 and 10 are joined to each other by bringing the outer surfaces of the protruding pieces 11 and 11 into contact with each other. By locking the locking portion 9a to the (lower end), the fitting locking portion 9 and the fitted locking portion 10 are fitted and locked, and the folded roof material A and the tight frame B are Can be linked.

It is a partial sectional view showing an example of an embodiment of a folded-plate roof of the present invention. It is a perspective view which shows an example of embodiment of the folded-plate roof material same as the above. It is a perspective view which shows an example of embodiment of a tight frame same as the above. (A) and (b) are some enlarged views which show an example of embodiment of the folded-plate roof of this invention. It is a partial sectional view showing a conventional example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Valley part 2 Mountain part half body 6 Fixed protrusion 9 Fitting latching part 10 Fitting latching part 16 Fixed part A Folding plate roof material B Tight frame

Claims (3)

  A folded-plate roof formed by holding a folded-plate roof material with a tight frame, and the folded-plate roof material has a mountain half that protrudes obliquely upward on both sides of the valley and at the substantially central portion of the valley The tight frame has a fixed protrusion having an inverted U-shaped cross section and a fixed part protruding on both sides of the fixed protrusion, and the fixed part has a fitted lock part protruding upward. A folded-plate roof comprising a fitted-and-fitted portion of a folded-plate roof material in a state where the fitted-and-fitted portions of adjacent tight frames are brought close to each other.   Folded plate roofing material held by a tight frame, forming a mountain half that protrudes diagonally upward on both sides of the valley, close to the mating locking part provided on the fixed part of the adjacent tight frame A folded plate roofing material comprising a fitting locking portion for fitting in a state at a substantially central portion of a valley portion. A tight frame for holding a folded plate roof material, which is formed by protruding fixed portions on both sides of an inverted U-shaped fixed projection portion, and formed at a substantially central portion of a valley portion of the folded plate roof material. A tight fitting characterized in that a fitted locking portion for fitting a mating locking portion is formed in a fixed portion, and the fitted locking portions of adjacent fixed portions are formed so as to be close to each other. flame.

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