JP4564575B1 - Folded plate roofing material and its mounting structure - Google Patents

Abstract

An object of the present invention is to provide a folded plate roofing material which can be easily constructed and can reduce the occurrence of distortion and deformation due to temperature changes.
A bottom portion 1 and a pair of side portions 2 projecting obliquely upward from both side end portions thereof. The present invention relates to a folded plate roof material A in which a locked portion 3 that is locked to a locking portion 4 that protrudes from a side surface of a tight frame B is formed on a side portion 2. The side portion 2 is bent to the back side between the upper portion and the locked portion 3 to form the reinforcing rib portion 5. The side portion 2 is easily deformed in the vertical direction with the reinforcing rib portion 5 as a fulcrum, and the side portion 2 can be easily elastically deformed when the locked portion 3 is locked to the locking portion 4. After being attached to the tight frame B, the side portion 2 can be reinforced with the reinforcing rib portion 5.
[Selection] Figure 1

Description

  The present invention relates to a folded plate roof material formed by bending a thin metal plate or the like and an attachment structure thereof.

  Conventionally, by connecting a plurality of folded-plate roof materials, it has been performed to form a roof in which peaks and valleys are alternately arranged. Usually, a folded-plate roof material is installed and attached to a tight frame. However, what is attached by engaging a folded-plate roof material with a tight frame is proposed (for example, refer patent document 1).

  In the case shown in FIG. 10 (a), the folded plate roofing material A ′ is formed of a bottom portion 1 ′ and a pair of side portions 2 ′, and each side portion 2 ′ is obliquely above the side end portion of the bottom portion 1 ′. It is formed by protruding. Further, a part of the side portion 2 ′ is bent stepwise to the surface side to form a locked portion 3 ′. On the other hand, a plurality of support ridges 12 'are formed on the tight frame B', and a locking portion 4 'is provided protruding from the outer surface of the support ridge 12'. Then, the folded plate roof material A ′ is brought close to the tight frame B ′ from above, and the side portion 2 ′ is elastically deformed and fitted between the adjacent support ridges 12 ′ and the locked portion 3 ′ is locked. By engaging the lower side of 4 ′, the folded roof material A ′ can be attached to the tight frame B ′ as shown in FIG. 10 (b).

JP 2001-132176 A

  However, in the conventional folded plate roof material A ′, when the locked portion 3 ′ climbs over the locking portion 4 ′ from the upper side to the lower side, the side portion 2 ′ must be greatly elastically deformed, There has been a problem that construction is difficult to perform because a large amount of labor is required to attach the plate roof material A ′ to the tight frame B ′. Further, the conventional folded plate roof material A ′ has a problem that the side portion 2 ′ is distorted or deformed due to a change in temperature.

  The present invention has been made in view of the above points, and it is an object of the present invention to provide a folded plate roofing material that can be easily constructed and can reduce the occurrence of distortion and deformation due to changes in temperature and its mounting structure. Is.

The folded plate roof material A according to claim 1 of the present invention includes a bottom portion 1 and a pair of side portions 2 projecting obliquely upward from both side end portions thereof, and is provided on the side portion 2 on the side surface of the tight frame B. A folded plate roofing material A in which a locked portion 3 to be locked to the locking portion 4 is formed, wherein the center portion of the bottom portion 1 is formed at a lower position than the side end portion, A base portion 2a that protrudes obliquely upward from the side end portion of the bottom portion 1; the locked portion 3 that protrudes from the upper end of the base portion 2a toward the surface side; and the locked portion. 3 of the tip and the spring piece portion 2b which is projected obliquely upward toward the outer side, bent inclined to become steeper angle to the horizontal than the spring piece portion 2b, the upper end of the spring piece portion 2b projecting obliquely upwards and the supporting portion 2c which is protruded obliquely upward toward the outer side, from the upper end of the support portion 2c toward the outer side from the And a top portion 2d, below the tip of one of the top 2d upwardly projecting from the cross-section substantially inverted L-shape, engaging from below in retaining clips 6 provided in the upper portion of the tight frame B goby An upper goby portion that is formed with a portion 2e and that protrudes upward from the tip of the other top portion 2d in a substantially inverted U shape in cross section and covers the suspension 6 provided on the upper portion of the tight frame B from above. 2f is formed, and the side part 2 is curved to the back side by the boundary part between the spring piece part 2b and the support part 2c between the upper part and the locked part 3 at the substantially vertical center part of the side part 2. The reinforcing rib portion 5 is formed.

The attachment structure of the folded-plate roof material which concerns on Claim 2 of this invention consists of the folded-plate roof material A and the tight frame B, and the folded-plate roof material A protrudes diagonally upward from the bottom part 1 and its both ends. The side part 2 protrudes obliquely upward from the side end part of the bottom part 1 toward the outer side, and protrudes from the upper end of the base part 2a toward the surface side. The locked portion 3, the spring piece portion 2b projecting obliquely upward from the tip of the locked portion 3, and inclined so as to be at a steep angle with respect to the horizontal than the spring piece portion 2b. A support portion 2c that is bent and protrudes obliquely upward from the upper end of the spring piece 2b, and a top portion 2d that protrudes obliquely upward from the upper end of the support portion 2c; the provided, projecting from the cross-section substantially inverted L-shape upward from the tip of one of the top 2d, Taitofure A lower goby portion 2e to be locked from the lower side is formed on the hanging member 6 provided on the upper side of B, and the upper end of the other top portion 2d protrudes upward in a substantially inverted U shape in cross section, An upper goby portion 2f that covers the suspension 6 provided on the upper portion of the tight frame B from the upper side is formed , and between the upper portion of the side portion 2 and the locked portion 3 at a substantially central portion in the vertical direction of the side portion 2. Reinforcing ribs 5 that are curved to the back side are formed by the boundary between the spring piece 2b and the support 2c, and the tight frame B is configured so that a plurality of support peaks 12 and valleys 13 are alternately repeated. is formed, the support ridges 12 is constituted by a leg portion 12b which is inclined obliquely downward of the outer side from both ends of the tight frame top portion 12a and the tight frame top 12a, the side surface of the leg portion 12b of the tight frame B The locking member 11 is provided on the outer surface of the leg 12b. On the fixed piece 11a and a lower fixing piece 11b and the engaging portion 4 formed substantially V-shaped cross section of an upper engaging portion 4a and the lower engaging portion 4b provided in the locking member 11 by being mounted in the goby but is projected, the retaining clips 6 lower goby portion 2e and the upper goby portion 2f is provided in an upper portion of the support ridges 12 of the tight frame B provided at the upper end of the side portion 2 of the folding plate roofing material a The folded plate roof material A is mounted on the tight frame B by being fastened, and the locked portion 3 is locked to the locking portion 4.

  According to the first aspect of the present invention, the side portion 2 is easily deformed in the vertical direction with the reinforcing rib portion 5 as a fulcrum, and the side portion 2 is easily elastic when locking the locked portion 3 to the locking portion 4. It can be deformed, and a large amount of labor is not required for attachment to the tight frame B, so that construction can be performed easily. Moreover, after attaching to the tight frame B, the side part 2 can be reinforced with the reinforcement rib part 5, and it can prevent that the side part 2 is distorted or deform | transformed by the temperature change.

In addition , rainwater can easily collect at the center of the bottom 1 and the drainage can be improved.

In the invention of claim 2 , the side portion 2 is easily elastically deformed in the vertical direction with the reinforcing rib portion 5 as a fulcrum, and when the locked portion 3 is locked to the locking portion 4, the side portion 2 is It can be easily elastically deformed, and a large amount of labor is not required for attachment to the tight frame B, so that construction can be performed easily. Moreover, after attaching to the tight frame B, the side part 2 can be reinforced with the reinforcement rib part 5, and it can prevent that the side part 2 is distorted or deform | transformed by the temperature change.

Further , the folded plate roofing material A can be held on the tight frame B by the locking by the locking portion 4 and the locked portion 3 and the coupling by the hanging element 6, and the attachment strength of the folded plate roofing material A is increased. Is something that can be done.

It is sectional drawing which shows the attachment structure of the folded-plate roof material of this invention. It is a partial perspective view which shows the folded-plate roof material of this invention. The folded-plate roof material of this invention is shown, (a) is a front view, (b) is a top view, (c) is a bottom view, (d) is a right side view, (e) is a left side view. The tight frame used by this invention is shown, (a) is a front view, (b) is a top view, (c) is a bottom view, (d) is a right side view, (e) is a left side view. The locking member used by this invention is shown, (a) is a front view, (b) is a top view, (c) is a bottom view, (d) is a right view, (e) is a left view. The hanging element used by this invention is shown, (a) is a front view, (b) is a top view, (c) is a bottom view, (d) is a right side view, (e) is a left side view. It is sectional drawing which shows the attachment process of the folded-plate roof material in this invention. In this invention, it is sectional drawing which shows the state which attached the folded-plate roof material to the tight frame. The existing roof changing process is shown, and (a) to (d) are cross-sectional views. A prior art example is shown, (a) is a perspective view of a part of a folded-plate roof material, and (b) is a sectional view showing a construction state.

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

  The folded plate roofing material A is formed to be long by bending a thin metal plate or the like. As the metal plate, a galvanized steel plate, a coated steel plate, a Galvalume steel plate (registered trademark) or the like may be used. The thickness of the metal plate can be 0.5 to 1.2 mm, but is not limited thereto.

  As shown in FIG. 2 and FIGS. 3A to 3E, the folded plate roof material A has a substantially U-shaped cross section with a bottom portion 1 and a pair of side portions 2 provided at both end portions of the bottom portion 1. Is formed. The bottom portion 1 is formed by a central plane portion 1a, bottom rib portions 1b provided on both sides thereof, and a side plane portion 1c extending to the side of the bottom rib portion 1b. The bottom rib portion 1b protrudes obliquely upward from the side end portion of the central flat portion 1a toward the outside, and the side flat portion 1c protrudes outward from the tip of the bottom rib portion 1b. ing. Accordingly, the central plane portion 1a is formed at a lower position (back side) than the side plane portion 1c, and rainwater is likely to flow through the bottom rib portion 1b from the side plane portion 1c toward the center plane portion 1a. The drainage can be improved by preventing the rainwater retroactive phenomenon. Moreover, the bottom rib part 1b is formed over the full length of the folded-plate roof material A, acts also as reinforcement of the bottom part 1, and prevents that a distortion | strain and a deformation | transformation arise in the bottom part 1 by a temperature change. It is something that can be done. In addition, although each width dimension (dimension of the direction orthogonal to the longitudinal direction of the folded-plate roof material A) of the bottom rib part 1b and the side plane part 1c is not specifically limited, the width dimension of one bottom rib part 1b is the bottom part 1. The width dimension of one side plane part 1c can be 15 to 25% of the width dimension of the bottom part 1.

  The side part 2 protrudes obliquely upward from the side end part of the side flat part 1c of the bottom part 1 toward the outer side, and protrudes from the upper end of the base part 2a toward the surface side of the side part 2. To be engaged, a spring piece 2b projecting obliquely upward from the tip of the latched portion 3, and obliquely upward from the upper end of the spring piece 2b outward. The support portion 2c is provided to protrude, and the top portion 2d is provided to protrude obliquely upward from the upper end of the support portion 2c outward. In addition, a lower gob portion 2e having a substantially inverted L-shaped cross section projects upward from the tip end of the top portion 2d on one side portion 2, and the other side portion 2 extends upward from the tip end of the top portion 2d. An upper goby portion 2f having a substantially inverted U-shaped cross section is provided so as to project toward the end. The upper goby portion 2f and the lower goby portion 2e can be formed in any shape such as a square goby or a round goby.

  In the side part 2 described above, the spring piece part 2b and the support part 2c have slightly different inclination angles, and the support part 2c is formed at a steeper angle with respect to the horizontal than the spring piece part 2b. Therefore, at the substantially central portion in the vertical direction of the side portion 2, the boundary portion between the spring piece portion 2 b and the support portion 2 c is curved toward the back side (outside), and this portion is formed as the reinforcing rib portion 5. Has been. And the spring piece part 2b will be located in the surface side of the side part 2 a little rather than the support part 2c, and compared with the case where the spring piece part 2b is formed on the support part 2c and a straight line, the reinforcement rib part 5 is provided. As a fulcrum, it is easily elastically deformed in the vertical direction. Further, the reinforcing rib portion 5 is formed over the entire length in the longitudinal direction of the folded plate roof material A, and also acts as a reinforcement of the side portion 2. It can be prevented. Further, the bent portion of the reinforcing rib portion 5 is formed at the substantially central portion of the side portion 2 in the vertical direction, and the design can be improved.

  Note that a resin foam such as urethane foam or an inorganic fiber material such as glass wool may be provided as a heat insulating material on the entire back surface of the folded plate roof material A in order to improve heat insulation.

  The folded plate roof material A is constructed using a tight frame B, and the tight frame B is provided with a locking member 11 and a suspension 6.

  As shown in FIGS. 4A to 4E, the tight frame B is conventionally used in the construction of folded plate roofing material, and is made of metal such as steel and has a thickness of 2 to 5 mm. A plurality of support ridges 12 and troughs 13 are alternately formed by bending a belt material of a certain degree. The support mountain portion 12 is composed of a top portion 12a and a leg portion 12b that is inclined obliquely outwardly from both ends of the top portion 12a, and substantially half of the top portion 12a is formed as a recess 14 and a leg portion. A rib 15 protrudes from the surface of 12b. A hanging fixture 16 such as a bolt is provided on the bottom surface of the recess 14.

  As shown in FIGS. 5A to 5E, the locking member 11 is formed by bending a band material having a thickness of about 2 to 5 mm made of metal such as steel. A locking portion 4 having a substantially V-shaped cross section from the upper locking portion 4a and the lower locking portion 4b, an upper fixing piece 11a protruding upward from the upper locking portion 4a, And a lower fixing piece 11b protruding downward from the locking portion 4b. A fixing hole 17 is formed in the upper fixing piece 11a and the lower fixing piece 11b.

  As shown in FIGS. 6 (a) to 6 (e), the suspension 6 is formed by including a suspension body 6 a and a pressing member 6 b. The hanging body 6a is formed by bending a steel plate made of metal such as steel and having a thickness of about 2 to 5 mm. A raised piece 19 is provided at one end of the fixing piece 18. In addition, an engaging piece 20 having a substantially inverted L-shaped cross section is provided at the upper end of the rising piece 19 so as to protrude to the opposite side of the fixing piece 18, and a sandwiching piece 21 protrudes upward at the other end of the fixing piece 18. Is formed. Further, the pressing member 6b is formed by bending a band material having a thickness of about 2 to 5 mm made of metal such as steel, and the support portions 23 protrude upward on both ends of the substrate portion 22. Is formed. The presser 6b is mounted between the rising piece 19 and the sandwiching piece 21 on the upper side of the fixing piece 18 and is integrally attached to the hanging body 6a. In addition, a mounting hole 24 penetrating the fixing piece 18 and the substrate portion 22 is provided.

  Then, the locking member 11 and the hanging member 6 are attached to the tight frame B. The locking member 11 can be attached and fixed to the outer surface of the leg 12b of the tight frame B. In this case, a fixing tool 25 such as a screw is inserted from the fixing hole 17 and screwed to the leg portion 12b, and the upper fixing piece 11a and the lower fixing piece 11b are welded to the leg portion 12b to thereby connect the upper fixing piece 11a. And the lower fixing piece 11b are fixed to the leg portion 12b. In this way, the locking portion 4 is projected from the outer surface of the leg portion 12b of the tight frame B. Further, the suspension 6 is attached to the recess 14. In this case, after inserting the suspension fixture 16 into the mounting hole 24 of the suspension 6 from the lower side, the fastener 26 such as a nut is screwed onto the suspension fixture 16, whereby the base plate portion 22 and the fixing piece 18. Are fixed to the bottom surface of the recess 14. The hanging piece 6 is attached so that the rising piece 19 is positioned at the approximate center in the width direction of the top portion 12a. When the hanging element 6 is attached to the tight frame B, the longitudinal direction of the engaging piece 20 is in a state orthogonal to the longitudinal direction of the tight frame B.

  The folded roof material A is constructed as follows. First, the tight frame B provided with the locking member 11 and the suspension 6 is fixed to the roof base 30 such as a beam or a purlin by welding or the like. In this case, the tight frame B is attached so that the longitudinal direction (the direction in which the plurality of support mountain portions 12 are arranged) is orthogonal to the inclination direction of the roof. Further, the plurality of tight frames B are mounted side by side in a direction parallel to the inclination direction of the roof. Next, as shown in FIG. 7, the folded plate roof material A is attached to the tight frame B from above. In this case, the folded-plate roof material A is arranged so that the longitudinal direction of the folded-plate roof material A is parallel to the inclined direction of the roof, and the folded-plate roof material A is bridged over a plurality of tight frames B arranged in the inclined direction of the roof. Moreover, after arrange | positioning the folded-plate roof material A between the support mountain parts 12 and 12 adjacent in the direction orthogonal to the inclination direction of a roof, it steps down the bottom part 1 etc., and presses it downwards, A reinforcement rib When the spring piece 2b is elastically deformed upward with the portion 5 as a fulcrum, and the bottom 1 is pressed downward, the locked portion 3 gets over the tip of the locking portion 4 from top to bottom. Become. As a result, the spring piece 2b is restored by the elastic force, and the locked portion 3 is elastically locked to the lower side of the lower locking portion 4b of the locking portion 4 as shown in FIG. become. Further, the lower goby portion 2e of one side portion 2 is fitted and locked to the lower side of the engaging piece 20 of the hanging member 6 provided on the one support mountain portion 12, and the upper goby of the other side portion 2 is secured. The portion 2 f is placed on the upper side of the engaging piece 20 of the hanging member 6 provided on the other support mountain portion 12.

  After the plurality of folded-plate roof materials A are arranged so as to be orthogonal to the inclination direction of the roof in this way, the upper goby portion 2f and the lower gozel portion 2e of the adjacent folded-plate roof materials A, A are made into a goby such as a seamer machine. Join by fastening with a tightening machine. In this case, in the state where the upper goby portion 2f of one folded plate roofing material A is put on the lower gozed portion 2e of the other folded plate roofing material A, the front end of the upper gozel portion 2f and the engaging piece of the suspension 6 20 is bent upward, whereby the upper goby portion 2f, the lower gouge portion 2e, and the engaging piece 20 are fastened and joined over the entire length in the longitudinal direction of the folded plate roofing material A. In addition, before the gouge fastening by the gouge fastening machine, the folded roof material A may be temporarily tightened with a pliers-type manual tool (commonly called “hand gacha”). By connecting a plurality of folded plate roof materials A in this way, a roof as shown in FIG. 1 can be formed. In this roof, a mountain portion formed by connecting the side portions 2 and 2 and a trough portion composed of the bottom portion 1 are alternately connected.

  And when the folded-plate roof material A is attached as mentioned above, the side part 2 can hold | maintain the folded-plate roof material A firmly by the latching | locking by the latching | locking part 4, and the coupling | bonding by the hanger 6. Excellent roof strength against load, especially load weight.

  The present invention can also be used for roof replacement. That is, the existing folded plate roof material 31 is peeled off and removed from the roof as shown in FIG. 9A, and the existing tight frame B is exposed as shown in FIG. 9B. Since the existing hanging element 6 is provided in the tight frame B, the locking member 11 is attached to the outer surface of the leg portion 12 of the tight frame B as shown in FIG. Thereafter, as described above, by attaching the folded roof material A of the present invention to the tight frame B, a new roof can be formed as shown in FIG. 9 (d). Thus, in the present invention, the roof can be repaired easily.

In addition , when not using the latching member 11, it can construct by the hanging element 6 similarly to a general folded-plate roof material. Although formed a tight frame B and retaining clips 6 in the above in separate members it is not limited to this and can squirrel Rukoto formed integrally with tight frame B and retaining clips 6.

A Folded plate roof material B Tight frame 1 Bottom 2 Side 2a Base 2b Spring piece 2c Support
2d top
2e Lower goby
2f Upper seam 3 Locked part 4 Locking part
4a Upper locking part
4b Lower locking part 5 Reinforcement rib part 6 Hanging element
11 Locking member
11a Upper fixed piece
11b Lower fixed piece
12 Support mountain
12a Tight frame top
12b Leg
13 Tanibe

Claims (2)

A folded plate having a bottom portion and a pair of side portions projecting obliquely upward from both side end portions thereof, and a locked portion that is locked to a locking portion protruding from a side surface of the tight frame is formed on the side portion. It is a roofing material, the center part of the bottom part is formed at a lower position than the side end part, and the side part protrudes obliquely upward from the side end part of the bottom part outward, and the upper end of the base part The locked portion protruding from the front side toward the surface side, a spring piece protruding obliquely upward from the tip of the locked portion toward the outer side, and more horizontally than the spring piece portion The support part is inclined and bent so as to form a steep angle , and protrudes obliquely upward from the upper end of the spring piece part, and protrudes obliquely upward from the upper end of the support part outward. It is the a top, projecting from the cross-section substantially inverted L-shape upward from the tip of one of the top, tight frame A lower goby portion that locks from below is formed on the suspension provided at the upper portion, and the upper end of the other top portion protrudes upward in a substantially inverted U shape in cross section, and on the top of the tight frame An upper goby portion is formed to cover the provided suspension from above, and the boundary portion between the spring piece portion and the support portion is formed between the upper portion and the locked portion at the substantially central portion in the vertical direction of the side portion. A folded plate roofing material, comprising a reinforcing rib portion convexly curved on the back side. It consists of a folded-plate roof material and a tight frame, and the folded-plate roof material consists of a bottom part and a pair of side parts that project obliquely upward from both side edge parts, and the side part faces outward from the side edge part of the bottom part. A base projecting diagonally upward, a locked part projecting from the upper end of the base toward the surface, and a spring projecting diagonally upward from the tip of the locked part outward A support part that is inclined and bent so as to have a steep angle with respect to the horizontal than the spring piece part, and protrudes obliquely upward from the upper end of the spring piece part to the outside ; A top portion that protrudes obliquely upward from the upper end toward the outer side, and protrudes upward from the tip of one of the top portions in a substantially inverted L-shaped cross section, and is provided on the upper portion of the tight frame. A lower goby portion is formed on the child to be locked from below, and the tip of the other top portion is directed upward. What projecting from the cross-section substantially inverted U-shape, goby portion upper covering from the upper side is formed on the retaining clips provided in the upper portion of the tight frame, at a substantially central portion of the vertical side, the upper side Reinforcing ribs that are curved to the back side are formed by the boundary between the spring piece and the support part between the locked parts, and the tight frame repeats a plurality of support peaks and valleys alternately. is formed on, from both ends of the support crest is tight frame top and tight frame top is composed of a leg portion inclined obliquely downward of the outer side, the side surface of the leg portion of the tight frame, the leg A latch formed in a substantially V-shaped cross section from an upper latching portion and a lower latching portion provided on the latching member by attaching a latching member to the outer side surface by an upper fixing piece and a lower fixing piece. part is projected, lower goby portion and provided at the upper end of the side of the folding plate roofing The locked portion is engaged with the engaging portion together with the goby unit is placed is folded plate roofing material are joined by goby clamping tight frame retaining clips provided on the upper portion of the support ridges of the tight frame A structure for mounting a folded-plate roof material.

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