JP3448256B2 - Roof repair method, roof repair structure and roof repair clamp - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof repairing method, a roof repairing structure, and a roof repairing clamp metal fitting used therefor.

[0002]

2. Description of the Related Art For example, as shown in FIG. 9, an existing corrugated slate roof material 91, which has deteriorated and is deteriorated in a factory or the like, is not broken down and a metal plate roof material ( When a new installation (not shown) is carried out, the slate board roofing material 9 is utilized by using hook bolts 92.
Roof repair structure in which a metal plate roof material is fixed to the slate board roof material 91 via a clamp metal fitting 93 fixed to 1 (see Japanese Patent No. 2907422)
However, there were the following problems.

(1) With the clamp metal fitting 93 placed on the ridge portion 94, a round hole 97a in a notch 97 provided in the bottom portion of the clamp metal fitting 93 is formed between the nut washer 95 and the ridge portion 94. Since it fits into the position of the packing 96, if it is difficult to fit it, the clamp metal fitting 93 is forcibly slid in the direction of the mountain portion 94 of the slate plate roofing material 91 (direction shown by arrow A) by hitting with a hammer, etc. There is a possibility that the slate plate roofing material 91, which has become weakened against vibration by breaking down, may break.

(2) If a force acts on the metal sheet roofing material due to snowfall or the like, a force for expanding the bottom portion downwardly acts via the top end 93a of the clamp metal fitting 93, and the notch 97 may spread and the clamp metal fitting 93 may come off. is there.

(3) Even when a tensile force is generated at the time of negative pressure, the notch 97 may spread and the clamp fitting 93 may come off.

A similar problem also exists in the roof repair structure shown in FIG. 10 (see Japanese Utility Model Laid-Open No. 63-96127).

The present invention has been made in consideration of the above-mentioned matters, and an object thereof is a roof repairing method in which an existing aged corrugated slate roof material is not broken, and a clamp fitting is not removed, and While aiming to provide a roof repair structure, it is temporarily fitted into the gap around the hook bolt formed between the nut washer provided at the upper end of the existing hook bolt and the mountain portion of the slate plate roof material. It is intended to provide a roof repair clamp fitting that does not come off.

[0008]

In order to achieve the above object, the roof renovation method of the present invention uses an upper end of an existing hook bolt for penetrating an existing corrugated slate roof material and fixing it to a purlin. in the gap around the hook bolt is formed between the crests of the nut washer provided with the slates roofing, a top, a pair of opposing extended downward respectively from the widthwise opposite ends of the top portion a side of a pair of bottom from the lower end of the side portion becomes bent respectively in the lateral inward direction, the notch formed between the open ends of these bottom, formed in the bottom of the notch The first tongue piece
A first tongue of a clamp and a second tongue and
After the second tongue piece is fitted and the clamp metal fitting is placed and fixed on the mountain portion, the mountain portion of the metal plate roof material for covering the corrugated slate plate roof material is superposed on the top portion of the clamp metal member. A roof repairing method in which a mountain portion is screwed and fixed to the clamp metal fitting, and the clamp metal fitting is placed on the mountain portion of the slate plate roofing material from directly above the nut washer through the notch, and subsequently. , by pressing inwardly on each other the respective sides of the clamp fitting with fasteners, first
The tongue piece and the second tongue piece are fitted into the gap, and fitting claws formed on the bottom portions are fitted together.

In addition, the roof repair structure of the present invention includes an existing corrugated slate board roof material, an existing hook bolt for penetrating the corrugated slate board roof material and fixing it to the purlin, and the hook bolt With a nut washer provided at the upper end,
Clamp fittings that are fitted and fixed in the clearances around the hook bolts formed between the slate plate roof material and the ridges of the roof material, and the slate through the fixed clamp fittings. In a roof renovation structure including a metal plate roofing material installed so as to cover the plate roofing material, the clamp metal fitting is provided with a top portion formed in a shape along a mountain portion of the metal plate roofing material, and a short length of the top portion. Between a pair of opposing side parts extending downward from both ends in the hand direction, a pair of bottom parts bent inward in the lateral direction from the lower ends of these side parts, and between the open end face parts of these bottom parts. The notch formed and the first tongue formed at the bottom of the notch
Thereby composed of a piece and a second tongue, of the pair of bottom, one of the bottom, while having the longitudinal ends first, respectively the side fitting claws of the open end face portion, the other of the bottom Also has second fitting claws that fit into the first fitting claws on both ends in the longitudinal direction of the open end face portion thereof, and the clamp metal fitting is provided from directly above the nut washer through the notch. Are placed on the ridges of the slate roofing material, and then the side portions of the clamp fittings are pressed inwardly with each other by using a fastener so that the first tongue piece and the second tongue piece are pressed.
A piece is fitted in the gap, and the first fitting claws and the second fitting claws are fitted together.

Further, the roof repair clamp metal fitting of the present invention has a nut washer provided on the upper end of an existing hook bolt for penetrating an existing corrugated slate plate roof material and fixing it to a purlin, and the slate plate roof. A roof used to install a metal plate roof material that covers the slate plate roof material in a state that it is fitted into a gap around the hook bolt formed between the mountain and the mountain portion and is fixedly mounted on the mountain portion. in renovation clamp fitting, a top part formed in a shape along the ridges of the metal plate roofing, and a pair of opposing sides extending downward respectively from the widthwise opposite ends of the top, these side A pair of bottom portions each bent inward in the lateral direction from the lower end of the , notches formed between the open end face portions of these bottom portions, and a first portion formed at the bottom portion inside the notches.
While being composed of a tongue piece and a second tongue piece , one bottom portion of the pair of bottom portions has first fitting claws at both ends in the longitudinal direction of the open end face portion thereof, respectively.
The other bottom portion also has second fitting pawls fitted to the first fitting pawls on both ends in the longitudinal direction of the open end face portion thereof, and from above the nut washer through the notch. is placed on the crest of the slate plate roofing, subsequently, to press inside each other the respective sides with fasteners
The first tongue and the second tongue are fitted into the gap.
In addition, the first fitting claw and the second fitting claw can be fitted to each other.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

1 to 6 show an embodiment of the present invention. FIG. 1 shows a clamp metal fitting 10 used for mounting a metal plate roof material 11 covering an existing corrugated slate plate roof material 1.
When viewed from the front, the clamp metal fitting 10 is installed in the longitudinal direction along the flow direction of the slate plate roofing material 1, and is attached to the right bottom portion 15 of the clamp metal fitting 10 in the front-back direction (longitudinal direction: shown in FIG. 5). Of the pair of first fitting claws 18 and 19 provided in the direction indicated by arrow B), the first fitting claw 19 located on the front side and the left at a position corresponding to the first fitting claw 19 The state after setting in which the second fitting claw 21 of the bottom portion 16 is fitted is shown.

FIG. 2 shows a state in which the metal plate roof material 11 is installed so as to cover the corrugated slate board roof material 1 via the clamp fitting 10.

FIG. 3 shows a central vertical cross section of the clamp metal fitting 10 in the state after the setting. The first fitting claw 18 located on the rear side of the right bottom portion 15 and the pair of front and rear parts provided on the left bottom portion 16 are shown. The second fitting claws 20 and 21 of the second fitting claw 20 located on the rear side are shown in a fitted state.

FIG. 4 shows the clamp fitting 1 before being set.
0 right bottom part 15 and left bottom part 16 and both bottom parts 15,
The notch 17 formed between 16 is shown.

In FIG. 5, the upper stage shows the state before the setting of the clamp fitting 10, and the lower stage shows the state after the setting.

[0017] FIG 6 (A) is, D along the cut portions 26,2 3 in FIG. 4 of the clamp fitting 10 before the set
FIG. That is, the state of the right bottom portion 15 and the left bottom portion 16 and the notch 17 of the clamp metal fitting 10 in the upper part of FIGS. 6 (A) and 5 is shown in FIG. FIG. 6B shows the first fitting claw 18 and the second fitting claw 20.
Also, the side portions 1 of the clamp metal fitting 10 for fitting the first fitting claw 19 and the second fitting claw 21 respectively.
The state where 3, 14 are pressed against each other is shown. From this pressed state, the fitting state shown in FIG. 3 is reached.

1 to 6, reference numeral 1 denotes an existing corrugated slate board roof member, which is fixed to an existing U-shaped cross section purlin 3 by an existing hook bolt 2. That is, the hook bolt 2 penetrates the corrugated slate board roofing material 1, and the hook portion 4 at the lower end is locked to the edge of the purlin 3. Further, the threaded portion 5 at the upper end of the hook bolt 2 is a packing 7 having a circular shape in plan view, which is sequentially provided on the mountain portion 6 of the slate plate roofing material 1.
And it is fastened with a nut 9 via a nut washer 8 which is circular in a plan view.

Reference numeral 10 denotes a clamp fitting used to fix the newly installed metal plate roofing material 11 above the slate board roofing material 1 so as to cover the slate board roofing material 1, and is a mountain portion of the slate board roofing material 1. 6 and the nut washer 8, the first tongue piece 22 and the second tongue piece 25, which will be described later, are attached to the packing 7
The first fitting claw 18 and the second fitting claw 20 which will be described later, and the first fitting claw 19 and the second fitting claw 21 respectively of the tongue piece 22 and the tongue piece 25, respectively. The slate board roofing material 1 is mounted and fixed on the ridges 6 along the flow direction of the slate board roofing material 1 in a fitted state on the outer side.

The clamp metal fitting 10, which is a characteristic configuration of the present invention, will be described below.

The clamp metal fitting 10 is a metal plate roof material 1
Right side 13 of the top part 12 formed in a shape along a first crest portion 11a (e.g., a flat surface shape), opposed extended downward respectively from the lateral direction (the direction indicated by the arrow C) opposite ends of the top portion 12 And the left side portion 14 and these side portions 13, 14
Right bottom 15 and left bottom 16 which are respectively bent inward from the lower ends 13a and 14a in the lateral direction (direction indicated by arrow C), and open end face portions m and n of these bottoms 15 and 16 (see FIG. 5). ) And the notch 17 formed between them. The size of the notch 17 is as shown in FIGS.
In the state of (A) and FIG. 5, it is larger than the size of the nut washer 8 which is circular in plan view.

Further, as shown in FIG. 5, the right bottom portion 15 is
While having the first fitting claws 18 and 19 on both ends in the longitudinal direction of the open end face portion m, the left bottom portion 16 also has the first fittings on both ends in the longitudinal direction of the open end face portion n. A second fitting claw 20, which is fitted to the claws 18 and 19,
21.

Further, as shown in FIG. 5, the inclination angle of the peak portion 6 of the slate plate roofing material 1, the peak portion 6 and the nut washer 8 are provided between the first fitting claws 18 and 19. And a gap M around the hook bolt 2 formed between
The first tongue piece 22 is configured to be deformable in the upward direction (a direction) or the downward direction (b direction) [see FIG. 6 (A)] according to the size of the. That is, in FIG. 4 and FIG.
Reference numerals 3 and 24 denote notches formed on the right bottom portion 15, whereby the first tongue piece 22 is moved from a fixed position (position shown by a solid line) by a tool (not shown) as shown in FIG. 6 (A). a
Direction or b direction, respectively, can be vertically deformed as indicated by a chain double-dashed line.

Similarly, also between the second fitting claws 20 and 21, the inclination angle of the peak portion 6 of the slate roofing material 1 and the gap between the peak portion 6 and the nut washer 8 are formed. Depending on the size of the gap M around the hook bolt 2 to be formed, the upward direction (a direction) or the downward direction (b direction) [FIG.
(See (A)] has a second tongue piece 25 configured to be deformable. That is, in FIG. 4, reference numerals 26 and 27 are notches formed in the left bottom portion 16, whereby the second tongue piece 25 is fixed at a fixed position (not shown) by a tool (not shown) as shown in FIG. 6 (A). From the position indicated by the solid line) to the a direction or the b direction, it can be vertically deformed as shown by the two-dot chain line.
Therefore, the first tongue piece 22 and the second tongue piece 25 can be vertically deformed from the fixed position other than the fixed position, so that the clamp metal fitting 10 can be stably placed and fixed on the mountain portion 6. In this embodiment, the tip surface 22a of the first tongue piece 22 and the second tongue piece 22 are
The front end surface 25a of the tongue piece 25 is a flat surface.

Further, the tip portion 3 of the second fitting claws 20 and 21.
0 is bent and formed so as to surely mesh with the tip end portions 31 of the first fitting claws 18 and 19 without slipping.

As shown in FIG. 2, a large number of fixed clamp fittings 10 are mounted by placing a new metal plate roofing material 11 such that the peaks 11a thereof overlap the tops 12 of the clamp fittings 10. To do.

Then, at each overlapping portion, the drill tapping screw 35 is screwed onto the metal plate roofing material 11 with the washer 36 and the packing 37 interposed between the screw head and the metal plate roofing material 11. Then, the metal plate roof material 11 is fixed to the slate plate roof material 1.

Thus, in order to fit the clamp metal fitting 10 between the mountain portion 6 of the slate plate roofing material 1 and the nut washer 8, as shown in FIGS. 5 and 6 (A), the clamp metal fitting 10 is attached to the nut. The washer 8 is placed on the mountain portion 6 from directly above the washer 8 through the notch 17.

In this state, as shown in FIG. 6B, the side portions 13 and 14 of the clamp fitting are pressed inward from each other by using fasteners (not shown) from the directions indicated by E and F. To do. In this case, the tip portions 22a and 25a of the first tongue piece 22 and the second tongue piece 25 bite into the packing 7 and deform the packing 7.

By this pressing, finally the first tongue piece 22 is
And the second tongue piece 25 is the lower peripheral portion 8a of the nut washer 8.
The first fitting claws 18 and 19 and the second fitting claws 20 and 21 are fitted to each other in a state of being in contact with (see FIGS. 3 and 1). In this case, the tip portions 30 of the second fitting claws 20 and 21.
Is bent, the first fitting claws 18, 1
It will surely mesh with the tip portion 31 of 9. Further, minimum gaps N and M are formed between the threaded portion 5 at the upper end of the hook bolt 2 and the tip portions 22a and 25a of the first tongue piece 22 and the second tongue piece 25, respectively.

In this way, the mountain portion 6 of the slate plate roofing material 1
Since the clamp metal fitting 10 is fitted from above between the nut washer 8 and the nut washer 8, the slate board roofing material 1 is not likely to be cracked.

Further, since the first fitting claws 18 and 19 and the second fitting claws 20 and 21 are fitted to each other, when a pulling force is generated at the time of negative pressure, the notch 17 expands and the clamp metal fitting is formed. 1
There is no possibility that 0 will come off.

Further, even if a force acts on the metal plate roofing material 11 due to snow or the like, the bottom portions 15 and 16 of the clamp metal fitting 10 do not spread, and therefore the clamp metal fitting 10 is not likely to come off.

In the present invention, as shown in FIG. 7A, the tip surface 22b of the first tongue piece 22 and the second tongue piece 25 are formed.
The tip surfaces 25b of the first tongue piece 22 and the tip end surface of the second tongue piece 25 may be formed in a chevron shape when viewed from the notches 17 side, respectively, as shown in FIG. 7 (B). Surface 25
Each of the c may be formed in an arc shape when viewed from the notch 17 side.

By the way, the first fitting claws 18, 19 and the second
When the fitting claws 20 and 21 of the above are fitted together, as described above, the threaded portion 5 at the upper end of the hook bolt 2 and the first tongue piece 2
2 and the tip portions 22b, 22c, 25 of the second tongue piece 25.
Although the clearances b and 25c are similar to the minimum clearances N and M shown in FIG. 3, the clamp metal fitting 10 flows in the flow direction (direction B) due to external force applied to the metal plate roof material 11. Even if the tip surfaces 22b and 25b are formed in a chevron shape even when trying to move along the
5b engages with the threaded portion 5 at the upper end of the hook bolt 2 to prevent movement.

Similarly, since the tip surfaces 22c and 25c are formed in an arc shape, the tip end surfaces 22c and 25c are
25c engages with the threaded portion 5 at the upper end of the hook bolt 2 to prevent movement.

In the above embodiment, the first tongue piece 22 is used.
The notches 23 and 24 are provided at both ends of the second tongue piece 25.
Although the notches 26 and 27 are provided at both ends of the above, the present invention can also be applied to the clamp fitting 10 having the first tongues 22 and 25 having no notches as shown in FIG.

[0038]

As described above, according to the present invention, the clamp metal fitting is placed on the mountain portion of the existing corrugated slate roof material from directly above the nut washer through the notch of the clamp metal fitting,
Since the fitting claws formed on the bottoms can be securely fitted by pressing the respective side parts of the clamp fittings inwardly, the aging slate board roof material may be broken or the clamp fittings may come off. It is possible to provide a roof renovation method and a roof renovation structure that do not exist, and once in the gap around the hook bolt that is formed between the nut washer provided on the upper end of the existing hook bolt and the ridge of the slate roof material. There is an effect that it is possible to provide a roof repair clamp fitting that does not come off when fitted.

[Brief description of drawings]

FIG. 1 is a structural explanatory view showing a state after setting a clamp fitting in an embodiment of the present invention.

FIG. 2 is an overall configuration explanatory diagram showing an installed state of a metal plate roofing material in the above embodiment.

FIG. 3 is a structural explanatory view showing a state after setting the clamp fittings in the embodiment.

FIG. 4 is a structural explanatory view showing a state before setting the bottom portion of the clamp fitting in the embodiment.

FIG. 5 is a perspective view showing a state before and after setting the clamp fitting in the embodiment.

FIG. 6A is a structural explanatory view showing a state before setting the clamp fittings in the embodiment. (B) is
It is a structure explanatory view showing the state in which the clamp metal fittings in the above-mentioned embodiment are being set.

FIG. 7A is a structural explanatory view showing a modification of the clamp fitting in the embodiment. (B) is a configuration explanatory view showing another modification of the clamp fitting in the above embodiment.

FIG. 8 is a structural explanatory view showing a state after setting the clamp fittings in another embodiment of the present invention.

FIG. 9 is an exploded perspective view showing an installed state of a conventional clamp fitting.

FIG. 10 is an exploded perspective view showing an installed state of another clamp fitting of the conventional example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Corrugated slate board roofing material, 2 ... Hook bolt, 3 ... Purlin, 6 ... Mountain part, 8 ... Nut washer, 9 ... Nut, 10 ... Clamp metal fittings, 13, 14 ... Side part, 15, 16 ... Bottom part, 1
7 ... Notch, 18, 19 ... 1st fitting nail, 20, 21 ...
2nd fitting nail, 22, 25 ... Tongue piece, 23, 24, 26,
27 ... Notch.

Claims (5)

(57) [Claims] 1. A nut washer provided at an upper end of an existing hook bolt for penetrating an existing corrugated slate board roofing material and fixing it to a purlin, and is formed between a mountain portion of the slate board roofing material. In the gap around the hook bolt, the top portion, a pair of opposite side portions extending downward from both ends in the short side direction of the top portion, and bending from the lower ends of these side portions inward in the short side direction, respectively. a pair of bottom is made, when the notch formed between the open ends of these bottom switching
The first and second tongue pieces of the clamp fitting having the first tongue piece and the second tongue piece formed on the bottom portion in the notch are fitted by fitting the first tongue piece and the second tongue piece. After mounting and fixing the clamp metal fittings on the ridges, the tops of the clamp metal fittings are overlapped with the ridges of the metal plate roof material covering the corrugated slate plate roofing material, and the ridges are screwed and fixed to the clamp metal fittings. In the roof repairing method, the clamp metal fitting is placed on the mountain portion of the slate plate roofing material from directly above the nut washer through the notch, and then the clamp metal fitting is tightened using fasteners. The first tongue piece and the first
A roof repairing method, characterized in that the second tongue piece is fitted into the gap, and the fitting claws formed on the respective bottom parts are fitted together. 2. An existing corrugated slate board roofing material, an existing hook bolt for penetrating the corrugated slate board roofing material and fixing it to a purlin, and a nut washer provided on an upper end of the hook bolt. Clamp fittings that are fitted and fixed in the clearances around the hook bolts formed between the slate plate roof material and the ridges of the roof material, and the slate through the fixed clamp fittings. In a roof refurbishment structure including a metal plate roofing material installed so as to cover the plate roofing material, the clamp metal fittings are formed in a shape along a mountain portion of the metal plate roofing material, and
A pair of opposing side parts extending downward from both ends in the short side direction, a pair of bottom parts bent inward in the short side direction from the lower ends of these side parts, and each open end face part of these bottom parts. Notch formed on the bottom and the bottom of the notch
A first tongue piece and a second tongue piece formed on the first tongue piece, and one bottom portion of the pair of bottom portions is first fitted to both ends in the longitudinal direction of the open end face portion. While having the claws, the other bottom part also has second fitting claws that fit into the first fitting claws on both ends in the longitudinal direction of the open end face portion thereof, and the second fitting claws are provided through the notches. The clamp metal fitting is placed on the mountain portion of the slate plate roofing material from immediately above the nut washer, and subsequently, the respective side portions of the clamp metal fitting are pressed inward with each other using a fastener ,
The first tongue piece and the second tongue piece are fitted into the gap, and
A roof repair structure characterized in that the first fitting claws and the second fitting claws are configured to be fitted to each other. 3. On both ends of the first tongue and on both ends of the second tongue
By providing the notch, the first tongue piece and the second tongue piece are provided.
Roof renovation structure according to Tei Ru claim 2 tongues is deformably configured vertically. 4. A nut washer provided on an upper end of an existing hook bolt for penetrating an existing corrugated slate board roofing material and fixing it to a purlin and a mountain portion of the slate board roofing material. A roof repair clamp fitting used to install a metal plate roof material that covers the slate plate roof material in a state of being fitted into a gap around the hook bolt and fixedly mounted on the mountain portion. Tops formed in a shape along the peaks of the material, a pair of opposing side portions extending downward from both ends in the short side direction of the top portions, and inward in the short side direction from the lower ends of these side portions, respectively. a pair of bottom bent made, when the notch formed between the open end face portion of the bottom, is formed at the bottom of the notch
The first tongue piece and the second tongue piece are formed, and one bottom portion of the pair of bottom portions has first fitting claws at both ends in the longitudinal direction of the open end face portion thereof. On the other hand, the other bottom portion also has second fitting pawls fitted to the first fitting pawls on both ends in the longitudinal direction of the open end face portion thereof, and the nut washer is provided via the notch. Is placed on the mountain portion of the slate roofing material from immediately above, and then the first tongue piece and the second tongue piece are pressed by pressing the respective side parts inward with each other using a fastener. The above
A roof repairing clamp fitting, characterized in that the clamp fitting is fitted in a gap, and the first fitting claw and the second fitting claw can be fitted together. 5. Both ends of the first tongue and both ends of the second tongue
By providing the notch , the first tongue piece and the second tongue piece are provided.
Roof renovation clamp fitting according to claim 4 tongue Ru Tei is deformable constructed vertically.