JP2896639B2 - Fixed-size horizontal roof structure and construction method - 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 having a three-dimensional curved surface,
Also, the present invention relates to a fixed-size horizontal roofing structure that is effective when a fixed-size horizontal roof is roofed on a roof under a specific environment, and a construction method thereof.

[0002]

2. Description of the Related Art In recent years, with the diversification of architectural designs, the number of cases in which a roof surface is formed by a three-dimensional curved surface or is constituted by a complex polyhedron is increasing.

[0003] The fixed-length horizontal roofing material is more applicable to the diversified roof surface than the long vertical roofing material.
Side-roofed roofing materials are basically roofed orthogonally to the flow direction of the roof. Especially for fixed-length materials, connecting parts are provided at appropriate intervals in the left and right longitudinal directions to connect adjacent fixed-size materials. Is what you do.

[0004]

However, when the fixed-size horizontal roofing material is made to correspond to the diversified roof surface, as a result, the connection portion does not coincide (parallel) with the flow direction of the roof. There was a problem that the rain was weakened and it was easy to cause a water leak accident. More specifically, as a configuration of a connection portion (joint portion) of a fixed-length horizontal roof,
A connecting device described in Japanese Patent No. 5951 is known. As shown in FIG. 1, right and left edges of a roofing material 1 'are provided with bent portions 5', 5 'which are turned back to the back side, and left and right edges of a joiner 7'. Are provided on the front surface side, and the bent portions 5 ', 5' of the adjacent roof materials 1 ', 1' are engaged with the folded portions 71 ', 71' of the joiner 7 '. When the connection part does not coincide (parallel) with the flow direction of the roof as described above, the joiner 7 'is formed.
Is inclined to the left or right, so that the infiltrated rainwater (shown by oblique lines in FIG. 1) acts on only one side of the joiner 7 ', which is on the lower side. In addition, the amount of rainwater that has entered the joiner 7 'also increases as compared with the rainfall in a windless state. Therefore, it is presumed that at least twice as much rainwater acts on the connection part of the fixed-size horizontal roof that is installed on the roof surface such that the connection part is inclined, as compared with the connection part of a general roof surface. You. Furthermore, when the location condition of the building is limited to a specific wind direction due to the topography, such as a coastal area or a mountainous area, even if the general roof surface, as shown in FIG. The same condition as in the inclined state may occur.

[0005] As shown in Fig. 3, when a roof material such as a tile or a flat roof, in which a connecting portion in the left-right direction is overlapped on one side, is applied to the most common gable-shaped roof, Assuming a roof with a high frequency of wind and rain (indicated by an arrow in the figure) from the surface, one roof surface A has one edge of the roof material on the windward side upward with respect to the direction of the wind and rain, and a roof on the leeward side. Although the other end of the material is located below and there is no problem with the rain, the other roof surface B is located exactly opposite and is vulnerable to the rain.

[0006]

DISCLOSURE OF THE INVENTION The present invention has been proposed in view of the above, and has a substantially flat central surface portion at the center thereof, and a lower edge of a working width direction of the substantially flat portion is engaged with the eaves side. Using a fixed-length side-roofed roofing material provided with a ridge-side engaging portion at the upper edge, and a ridge-side engaging portion of an upper-level roof material engaged with a ridge-side engaging portion of a lower-level roofing material In the structure, two or more types of the fixed-size roofing materials are used, and at least two types of the roof materials are one of the left and right edges that are the connecting portions in the left and right direction, which are on the water side or on the windward side. On the edge, the lower overlapping portion located below the other edge, on the other edge to be on the leeward side or on the leeward side, the upper overlapping portion located above the lower overlapping portion is formed, respectively, Or, a fixed size characterized by being formed by superimposing an upper superposed portion of a roof material on the waterside or a windward side on a lower superposed portion of a roof material on the leeward side. Roofing relates roof structure and construction method.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the embodiments shown in the drawings. The fixed-size horizontal roofing material 1 used in the present invention is made of a known metal material such as aluminum, a stainless steel alloy, or a steel plate, and has a substantially flat central surface portion 2 at the center as shown in FIG. The eave-side engaging portion 3 is formed on the lower edge in the working width direction, and the ridge-side engaging portion 4 is formed on the upper edge. In the illustrated embodiment, the eave-side engaging portion 3 includes a substantially vertical vertical piece 31 formed by bending the edge of the eave of the central surface portion 2 downward, and a lower end of the vertical piece 31 to the central surface portion 2.
And a horizontal piece 32 folded substantially in parallel with the horizontal piece 32.
Is provided with a stepped portion, and its tip is bent back. Further, the ridge side engaging portion 4 has a shape in which a step portion is provided at the ridge end edge of the central surface portion 2, and further bent upward and folded back toward the eaves side to form an inclined piece 41. The tip of the inclined piece 41 is bent downward on the eaves side.

Further, as shown in FIG. 5 (and FIG. 7), the left and right edges of the fixed-length roofing material 1 serving as the connecting portions in the left-right direction are provided with one edge (the right side in FIG. 5) at the lower side. The overlapping portion 5 is provided with an upper overlapping portion 6 on the other edge (the left side in FIG. 5). In the illustrated embodiment, the lower overlapping portion 5 is provided slightly below the central surface portion 2 by providing a step portion at the side edge of the central surface portion 2, and is provided in the middle of a substantially horizontal horizontal piece 51. In this configuration, water return protrusions 52, 52 protruding toward the front side are provided, and the front ends thereof are gently bent toward the front side. The horizontal piece 51
The drainage portion 5 extends from the base end (step portion) to the water return convex portion 52.
It becomes 3. The upper overlapping portion 6 has a shape in which a side edge of the center surface portion 2 is folded back to the back side to provide a folded portion 61 substantially equal in depth to the drain portion 53. Further, a heat insulating material 21 is provided on the back surface of the central surface portion 2.
The above-mentioned fixed-size horizontal roofing material 1 may be produced in a factory, or in particular, the upper and lower superposed sections may be processed on site.

[0009] Incidentally, the roofing material 1 ₂ Blank horizontal roofing shown in Figure 6,
The configuration is exactly the same except that the lower overlapping section 5 and the upper overlapping section 6 are provided left and right reversed, and the same reference numerals are given in the drawings and description thereof will be omitted.

[0010] Next, FIG 5 shows a procedure of applying the roof of Figure 3 with a standard dimension transverse roofing material 1,1 ₂ of two shown in FIG. This roof is a general gabled roof as described above, and has a high frequency of wind and rain (indicated by an arrow in the figure) from one of the wives, and is composed of roofs A and B. Is done.

First, in the construction of the roof surface A, the roof material 1 having the structure shown in FIG.
However, the roof material 1 having the configuration in which the upper overlapping portion 6 is provided on the left is used, and the ridge-side engaging portion 4 is disposed on the ridge side and the eave-side engaging portion 3 is disposed on the eave side. Then, the ridge-side engaging portion 4 of the roof material 1 on the eave side adjacent to the eave-side direction is engaged with the eave-side engaging portion 3 of the roof material 1 on the ridge side, and the roofing is performed. At that time, in each roofing material 1, the lower overlap portion 5 is located on the right and the upper overlap portion 6 is located on the left. However, on the roof surface A, the wind is blown from the upper right to the lower left, so that it is adjacent in the left and right direction. If the upper overlapping portion 6 (located on the left side) of the right roofing material 1 is superimposed on the lower overlapping portion 5 (located on the right side) of the left roofing material 1, the connection portion is as described above. With the structure shown in FIG. 7A, no problem is caused in the rain ending. That is, since the upper polymerization section 6 arranged on the water side is polymerized on the lower polymerization section 5 arranged on the lower side of the water, the water flowing down the upper polymerization section 6 flows on the lower polymerization section 5. It is surely guided. Particularly, in this embodiment, since the space is formed by the water return convex portion 52 and the folded portion 61, it is possible to prevent rainwater from entering due to the capillary phenomenon. As for the construction of the roof B, roofing material 1 _second configuration, i.e. the upper overlapping portion 6 to the right, the roofing material 1 _second configuration in which the lower overlapping portion 5 provided on the left with that shown in FIG. 6 The ridge side engaging portion 4 is disposed on the ridge side, and the eave side engaging portion 3 is disposed on the eave side. Then, wipe engaged roofing 1 ₂ ridge-side engaging portion 4 of the eaves side adjacent to Tonoki direction eaves side engaging portion 3 of the ridge-side roof member 1 _2. At that time, the lower the polymerization unit 5 to the left in the roofing material 1 ₂
But although the upper overlapping portion 6 is positioned to the right, so blown wind toward the lower right from the upper left in the roof plane B, (located on the right side) left roofing 1 ₂ adjacent to the left-right direction
The upper overlapping portion 6, if dandruff and its (on the left side) of the roofing material 1 ₂ to the right is polymerized on the lower overlapping portion 5, the connection portion becomes the structure shown in FIG. 7 (b), rain There is no problem in closing.

Next, a procedure for constructing the roof shown in FIG. 8 will be described.
This roof has a curved surface shape shown in FIGS. (B) and (c), and the arrows in FIG.
The direction of the water flow that is high in frequency is set in consideration of the roof slope shape at k.

First, in the construction of the roof portion f, the roof material 1 having the structure shown in FIG.
However, the roof material 1 having the configuration in which the upper overlapping portion 6 is provided on the left is used, and the ridge-side engaging portion 4 is disposed above the eave-side engaging portion 3. Then, the ridge-side engaging portion 4 of the roof material 1 on the eave side adjacent to the eave-side direction (vertical direction in FIG. 1A) is engaged with the eave-side engaging portion 3 of the roof material 1 on the ridge side. That roof. In addition, since water flows from the upper right to the lower left in FIG. 3A in the roof portion f, the upper overlapping portion 6 (located on the left side) of the right roof material 1 adjacent in the left-right direction is moved to the left side. If the roofing material 1 is superimposed on the lower superimposed portion 5 (located on the right side), the connection portion has the structure shown in FIG. 7A, and there is no problem in raining. Also,
In the construction of the roof part h, the roofing material 1 ₂ having the configuration shown in FIG.
With roofing material 1 _second configuration provided is, the ridge side engaging portion 4 is eaves side engaging portion 3 upward disposed so as to be positioned below.
Then, Tonoki direction [FIG. (A) In the vertical direction] roof eaves side adjacent to the material 1 ₂ ridge-side engaging portion 4 a ridge-side of the roofing material 1 ₂
And the roof is engaged with the eaves side engaging portion 3. Further, since the water flows toward the upper left to the lower right in In the roof h Fig (a), the left side of the roofing material 1 ₂ which are adjacent in the lateral direction (on the right side) the upper overlapping portion 6, the if dandruff and right (on the left side) of the roofing material 1 ₂ is polymerized on the lower overlapping portion 5, the connecting portion is a structure shown in FIG. 7 (b), can result a problem weathering Absent. Further, in the construction of the roof g, so it positioned on the center line which is not also inclined right or left, the upper overlapping portion 6, 6 are provided in the configuration of the roofing material 1 _3, namely the left and right edges as shown in FIG. 9 the roofing material 1 ₃ configuration used was, the ridge side engaging portion 4 eaves side engaging portion 3 to the top is arranged so as to be positioned below. Then, Tonoki direction roofing eaves side adjacent to the [Fig (a) in the vertical direction] 1 ₃ of ridge-side engaging portion 4 a ridge-side roof member 1 ₃ eaves-side engaging part 3
And thatch. On the roof portion f located on the left side of the roof portion g, the roofing material 1 having the configuration in which the lower overlap portion 5 is provided on the right side as described above is laid, so that the roofing material 1 is located on the right side. if dandruff by polymerizing the roofing material 1 ₃ of the upper overlapping portion 6 of the left on the lower overlapping portion 5, the connecting portion is a structure shown in FIG. 7 (a), it can result a problem weathering Absent. Further, since the laying roofing material 1 ₂ configuration the lower overlapping portion 5 provided on the left as above the roof h located on the right side of the roof g, of the roofing material 1 ₂ (left position) if dandruff by polymerizing the right upper overlapping portion 6 of the roofing material 1 ₃ on the lower side superimposed portion 5 in, the connection portion becomes the structure shown in FIG. 7 (b), problems weathering Does not occur. The construction of the roof part i is the same as the construction of the roof part f, the construction of the roof part j is the same as the construction of the roof part g, and the construction of the roof part k is the construction of the roof part h. Can be performed in the same manner as the construction of

In the construction of the roof shown in FIG.
Although the direction of the water flow that is high in frequency was set in consideration of the roof inclination shape, not only the roof inclination shape but also the surrounding environment and the topography were considered in consideration of the direction of the blowing wind in the construction of the roof in FIG. Set the direction of wind and rain frequently, taking into account the location conditions of the building. In addition, the roof surface in FIG. 8 is mountain-shaped, and a roof portion g located on a center line that is not inclined to the left or right has upper roof portions 6 and 6 formed on both left and right side edges. It was used timber 1 _3, for example in such roof is not shown that there is a valley-shaped right and left side edges roofing material the lower overlapping portion 5,5 are formed both on the (not shown)
May be used.

Further, as shown in FIGS. 10 and 11, a discarding member 7 may be provided below the connecting portion in the left-right direction. The discard plate member 7 in the illustrated embodiment has a configuration in which folded portions 71, 71 that are folded back to the front side are provided on the left and right side edges. When the discarded member 7 is attached in this manner, for example, as shown in the figure, only the horizontal piece 51 in which the lower overlapping portion 5 is provided with a stepped portion at the side edge of the central surface portion 2 and provided slightly below the central surface portion 2 is provided. However, no problem occurs in the end of the rain.

Further, as shown in FIG.
May be provided with an engagement piece 8 for engaging the folded portion 61 of the upper overlapped portion 6 in the drainage portion 53 of the upper portion. The engaging piece 8 of the illustrated embodiment has a configuration in which a locking piece extends at the tip of a fixed piece via a stepped portion, and does not necessarily need to have a length corresponding to the width of the connecting portion. But it is good. When the folded portion 61 is engaged with the locking piece in a state where the engaging piece 8 is attached to the drain portion 53 (horizontal piece 51) of the lower overlapping section 5, the upper overlapping section 6 and the lower overlapping section 5 Is added.

Further, as shown in FIG. 13, an engaging piece 8 for engaging the edge of the horizontal piece 51 of the lower overlapping portion 5 and the folded portion 61 of the upper overlapping portion 6 near the center of the discarded member 7. May be provided, and in this case, an action of integrating the upper overlap portion 6, the lower overlap portion 5, and the discarded member 7 is added.

Further, as shown in FIG. 14A, the upper overlapping portion 6 and the lower overlapping portion 5 may be provided not in parallel to the working width direction of the central surface portion 2 but obliquely. In the figure,
9 is a suspension bar. For example, as shown in FIG. 14 (b), when the roof material has to be laid diagonally with respect to the flow direction of the water indicated by the arrow, as described above, the upper overlapping portion 6 and the lower overlapping portion 5 are inclined. When provided, the connection portion is orthogonal to the flow direction of water, so that higher rain performance is exhibited.

Although the present invention has been described with reference to the embodiment shown in the drawings, the present invention is not limited to the above-described embodiment, and can be implemented in any manner unless the structure described in the claims is changed. be able to. For example, a known waterproof means such as a waterproof rubber or a packing may be added to the overlapping portion of the roofing material and the discarded member as needed. Also,
Each engaging part in the ridge eaves direction, each overlapping part in the left and right direction, discarded members,
The engagement piece and the like are not particularly limited to the above-described configuration, and may be designed in any shape.

[0020]

As described above, according to the present invention, two or more types of fixed-length roofing roofing materials are used, and the connecting portions in the left-right direction of the roofing materials are always arranged such that the roofing material on the waterward side or the windward side is always on the upper side. Since it is superposed so that it is positioned, even a roof having a special shape or a roof having special location conditions can exhibit the same high rain performance as a general roof.

In the lower overlapped portion, a drainage portion is formed at a position one step lower than the center surface portion, and one or more water return protrusions are formed outside the drainage portion. In the case where the folded portion having substantially the same depth as the drain portion is formed, a space is formed by the convex portion and the folded portion, so that it is possible to prevent rainwater from entering due to a capillary phenomenon.

Further, in the case where a discarded plate member is attached to the lower side of the connection portion, it is possible to expect a higher performance of rain.

Also, a roof material having an upper overlapping portion formed on one of the left and right side edges and a lower overlapping portion formed on the other side, and a lower overlapping portion formed on one of the left and right side edges and an upper overlapping portion on the other side. In the case of using two types of fixed-length side-roofed roofing materials, for example, in the construction of the most common gable-shaped roof, where the frequency of wind and rain from one of the wives is high, two roofs are used. If the surfaces are constructed using different roofing materials, each roof surface will exhibit high rain performance.

Further, a roof material having an upper overlapping portion formed on one of the left and right side edges and a lower overlapping portion formed on the other side, and a lower overlapping portion formed on one of the left and right side edges and an upper overlapping portion on the other side. In the case of using three types of fixed-size horizontal roofing roofing materials, that is, a roofing material formed with a three-dimensional curved surface, for example, a roofing material having an upper overlapping portion or a lower overlapping portion formed on both the left and right side edges, In the construction of the surface, the former two types of roofing materials are laid on the part where the water flow direction is inclined to the left or right,
If the water flow direction is not inclined to the left or right, the latter roofing material, that is, a roofing material with an upper overlapping portion or a lower overlapping portion formed on both the left and right side edges, is laid on the entire roof surface It will exhibit high rain performance throughout.

[0025] In addition, in the case of using a fixed-length roofing material in which the upper overlapping portion and the lower overlapping portion are provided obliquely in the working width direction of the central surface portion, the roof material is oblique to the water flow direction. Even when the roof has to be roofed, the connecting portion can be made orthogonal to the flow direction of the water, so that higher rain performance can be exhibited.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a structure of a connecting portion in a left-right direction of a conventional fixed-size horizontally-roofed roof laid on a diversified roof surface.

FIG. 2 is a cross-sectional view showing a structure of a connecting portion in a left-right direction of a conventional fixed-size thatched roof in a state where the wind direction is limited to a specific wind direction depending on a location condition of a building .

FIG. 3 is a perspective view showing a state in which the frequency of wind and rain from one wife surface is high in a general gable roof.

FIG. 4 is a perspective view of the fixed-size horizontal roofing material of one embodiment, with left and right edges cut off.

FIG. 5 is a partially omitted plan view showing a fixed-size horizontal roofing material according to an embodiment.

FIG. 6 is a partially omitted plan view showing a fixed-size horizontal roofing material of another embodiment.

FIG. 7 is a cross-sectional view showing a structure of a connecting portion in the left-right direction using the fixed-length horizontal roofing material of FIG. 5 or FIG.

8A is a plan view showing an example of a diversified roof, and FIG. 8B is a perspective view of a part thereof.

FIG. 9 is a partially omitted plan view showing a fixed-size horizontal roofing material according to another embodiment.

FIG. 10 is a cross-sectional view showing the structure of a connecting portion in the left-right direction using a fixed-size horizontal roofing material and a discarded member according to one embodiment.

FIG. 11 is a cross-sectional view showing a structure of a connecting portion in the left-right direction using a fixed-length side-roofed roofing material and a discarded member according to one embodiment in a state where the wind direction is limited to a specific wind direction according to a location condition of a building . FIG.

FIG. 12 is a cross-sectional view showing the structure of a connecting portion in the left-right direction using a fixed-length horizontal roofing material and an engaging piece according to one embodiment.

FIG. 13 is a cross-sectional view showing a structure of a connecting portion in a left-right direction using a fixed-size horizontal roofing material , a discarded member, and an engagement piece according to one embodiment.

FIG. 14 is a view showing one example in which the upper overlapped portion and the lower overlapped portion are provided obliquely with respect to the working width direction of the central surface portion (a).
It is a top view of a roofing material , (b) and a top view showing the construction state.

[Explanation of symbols]

1,1 ₂ , 1 ₃ Standard-size side-roofed roofing material 2 Central surface section 3 House side engaging section 4 Building side engaging section 5 Lower overlapping section 6 Upper overlapping section 7 Discard plate member 8 Engagement piece

Claims (7)

(57) [Claims] 1. A fixed length having a substantially flat central surface portion at the center, an eaves-side engaging portion at a lower edge in a working width direction of the substantially flat portion, and a ridge-side engaging portion at an upper edge. In a roof structure in which a horizontal roofing material is used and an eaves-side engaging portion of an upper roofing material is engaged with a ridge-side engaging portion of a lower roofing material, two or more types of the fixed-size horizontal roofing materials are used. Using at least two types of roofing materials, of the left and right edges serving as the connecting portion in the left-right direction, one edge on the waterside or windward side, a lower overlapping portion located below the other edge, On the other edge to be on the leeward side or on the leeward side, the upper polymerization portion located above the lower polymerization portion,
A fixed-size horizontal-roofed roof, which is formed by forming an upper overlap portion of a roof material to be on the waterside or an leeward on a lower overlap portion of a roof material to be on the leeward or leeward side, respectively. Construction. 2. A lower overlapping portion is provided with a drain portion at a position one step lower than the central surface portion and one or more water return convex portions outside the drain portion, and an upper overlapping portion has a back surface side. 2. A fold-back portion formed substantially by a turn-up portion having a depth substantially equal to the depth of the drainage portion.
The fixed-size horizontal roof structure described. 3. The fixed-size horizontal-roofed roof structure according to claim 1, wherein a discarded plate member is attached to a lower side of the connection portion. 4. An upper overlapping portion is formed on a left side edge and a right side portion is formed.
Used a roofing material forming the lower overlapping portion at a side edge, a roofing material forming the upper overlapping portion on the right edge to form a lower overlapping portion at the left edge, the two standard dimension transverse roofing materials The fixed-size side-roofed roof structure according to claim 1, 2 or 3, wherein: 5. An upper overlapping portion is formed on a left side edge and a right side portion is formed.
A roofing material forming the lower overlapping portion at a side edge, a roofing material forming the upper overlapping portion on the right edge to form a lower overlapping portion at the left edge, to form the upper overlapping portion on both right and left side edges Roofing material
Or roof with lower overlap on both left and right edges
Blank horizontal roofing structure according to claim 1 or 2 or 3, characterized by using wood, three kinds of fixed-length lateral roofing materials. 6. The roofing material according to claim 1, wherein the upper overlapping portion and the lower overlapping portion are made of a fixed-size roofing material which is provided obliquely in the working width direction of the central surface portion. Fixed-size horizontal roof structure. 7. A fixed length having a substantially flat central surface portion at the center, an eaves-side engaging portion at a lower edge in a working width direction of the substantially flat portion, and a ridge-side engaging portion at an upper edge. A method of constructing a roof by using a horizontal roofing material and engaging an eaves-side engaging portion of an upper roofing material with a ridge-side engaging portion of a lower roofing material, wherein the fixed-size horizontal roofing material is used. At least two types of roofing materials are used, and at least two types of roofing materials are provided on one side on the water side or on the windward side, and on the lower side located below the other edge, of the left and right edges serving as connection parts in the left and right direction. The polymerization portion, on the other edge to be on the leeward or leeward side, the upper polymerization portion located above the lower polymerization portion,
It is characterized in that the roof surface is roofed by superposing the upper superposed part of the roof material on the water side or the windward side on the lower superposed part of the roof material on the leeward side or the leeward side. Construction method of shaku thatched roof.