JPH0280751A - Joint structure of roof board of horizontally covered roof - Google Patents

Abstract

PURPOSE:To obtain an excellent and effective roof-board joint structure by fixing the engaging section of a horizontally covered roof by the nose engaging section of a hanger member on the roof foundation side and integrally seam-welding a ridge-side extending section on the lower step side and an eave-side extending section on the upper step side. CONSTITUTION:A horizontally covered roof board 10 is installed which is composed of a face board section 11, an eave-side extending section 21 formed to one side section of the face board section 11, a ridge-side extending section 31 shaped by erecting the other side section of the face board section 11 and inward bending the other side section, an erecting section 44 in the other side section of the face board section 11 and an engaging section formed by folding back the proper position of the ridge-side extending section 31. A nose engaging section 42 in a hanger member 41 set up on the roof foundation side is fastened to the engaging section in the roof board 10 on the lower step side, and the roof board 10 on the lower step side is anchored and fixed. Side sections which is further forward than the engaging section are seam-welded A integrally under the state in which the eave-side extending section 21 in the roof board 10 on the upper step side is superposed onto the ridge- side extending section 31. Accordingly, the horizontally covered roof having tough structure brought to a watertight state can be covered.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a roof plate joining structure for a horizontal roof, and more specifically, a predetermined cross-sectional shape for connection is formed on both sides of a face plate portion with a predetermined width. In addition to providing a horizontal roofing board with nine eave-side extensions formed, the engaging part of the horizontal roofing board is held and fixed by the end locking part of a hanger member attached to the roof base side. Horizontal roofing in which the ridge side extension of the lower horizontal roofing board and the eave side extension of the upper horizontal roofing board are seam-welded to each other in the opposite direction and then raised. This relates to the roof plate joint structure of the roof.

[Conventional technology]

Conventionally, in this type of horizontal roof structure, generally both sides of the face plate, which is the main part of the roof,
Horizontal roofing on one building side of the eave side, in order to enable mutual full engagement connection with the adjacent lower and upper tier sides, each of the engaging parts on the nine eaves sides are molded on each side. Roof plates are the mainstream, and many different types and configurations have been proposed for the structure of each engaging part on the two eave sides that are engaged and connected to each other, and among them, long metal thin Horizontal roof panels using steel plates are mainly used for rain protection.

That is, there is active development of a combination engagement part shape intended to prevent rainwater from entering from each engagement part on the nine eaves sides that are engaged and connected to each other.

However, in the case of horizontal roofing that uses such long metal thin steel sheets, normally, the baking for rust prevention is done using a long metal thin steel sheet of a predetermined width that has been painted, etc. as the roofing material. A steel plate is formed using a roll forming machine, etc., leaving the main face plate part in the center along the longitudinal direction, and continuously forming an eave side forming part on the negative side and a line side forming part on the other side. The material is formed into a shape and then cut into predetermined unit lengths for use.

In this S, in the roof plate joint structure of a horizontal roof made of long metal thin steel plates having each engaging part on the eave side and one building side configured as described above, for example, the inventor of the present application first We have proposed and implemented it under the product name "Dan Cuff Roof".
As seen in horizontal roof structures, this type of roof structure must meet various conditions, namely, it must be able to withstand intense wind and rain pressure applied from the outside, as well as changes in temperature and temperature. It is possible to achieve various points such as being able to effectively prevent rainwater and foreign objects from entering the interior from the inside, and also has a relatively simple structure and good appearance.
It also satisfies the requirements of easy construction.

[Problem that the invention seeks to solve]

However, in the conventional roof board joint structure for a horizontal roof in which each of the nine eave-side engaging portions is formed as described above, the roof surface to which it is applied generally has an inclination of more than the normal level, that is, Because it is assumed that the roof has a suitable slope, it cannot be used on roof surfaces with a gentle slope, such as near the top of a circular or semicircular roof surface of a large building such as a gymnasium. Unlike vertical roof structures, which are relatively unrestricted by roof slopes, it is not always possible to effectively adapt to roof surfaces that are nearly flat for various reasons. there were.

Therefore, an object of the present invention is to make it suitable and effective to apply not only to roof surfaces with a normal slope but also to roof surfaces with a gentle slope. The object of the present invention is to provide a roof plate joining structure for a horizontally-tiled roof of this type.

[Means for solving problems]

In order to achieve the above object, the roof plate joining structure for a horizontal roof according to the present invention includes nine face plate parts as main bodies extending in the longitudinal direction; The ridge side extension part is formed by raising the other side of the part and bending it inward.The ridge side extension part is formed by folding the raised part on the other side of the nine-face plate part or by folding back the ridge side extension part at an appropriate place. A horizontal roofing board consisting of an engaging part is provided, and the engaging part of the horizontal roofing board on the lower tier side is engaged with the end latching part of a hanger member attached to the roof base side. At the same time, the eave side extension of the upper horizontal roof board is superimposed on the ridge side extension of the horizontal roof board, and in this state, these superimposed The ridge side extension part and the eaves side extension part are characterized by integrally seam welding at least the parts closer to the tip than the engaging part.

The tip of the eave side extension is folded back downward, and the tip of the eave side extension is held by the folded tip. It is characterized in that it is folded back downward, and the tip end of the ridge side extension is held by this tip end portion, and the tip portion is seam-welded including the tip end portion.

Furthermore, the tip locking portion of the hanger member is formed by folding back, and the folded tip locking portion is locked to the engaging portion, and the tip locking portion of the hanger member is formed by folding back. It is characterized in that it is formed by being folded back, and the folded end locking part is locked in an engaging part formed parallel or parallel to the face plate part.

Furthermore, after the overlapping ridge side extension, end locking part, and eave side extension are integrally seam welded, this welded joint is bent downward at an appropriate angle. It is characterized by:

[For production]

That is, in the roof board joining structure for a horizontally roofed roof according to the present invention, the end locking part of the hanger member attached to the roof base side is engaged with the engaging part of the horizontally roofed roof board on the lower level side. Then, the lower horizontal roofing board is fastened and fixed, and the eave side extension of the upper horizontal roofing board is superimposed on the ridge extension, and in this state, these The overlapping ridge side extension and eave side extension are integrally seam-welded at least at the tip end side of the engaging part, so that the lower eave side extension Both the projecting part and the upper ridge side extension part can be reliably joined, thereby making it possible to construct a completely watertight horizontal roof with a strong structure. By folding the tip of the protrusion downward and having the folded tip hold the tip of the ridge side extension, it is possible to protect the overlapping portion and improve the external appearance. By seam welding the overlapping part including the holding part by the folded tip part, the strength of the joint can be further improved. By forming the folded end locking part into the engaging part,
To ensure that each horizontal roof board is held in place on the roof base side, the tip locking portion of the hanger member is folded back, and the folded tip locking portion is parallel to the face plate portion. Alternatively, by locking to the engaging portions formed in parallel with each other, in addition to securing and locking each horizontal roofing board to the roof base side, the horizontal roofing boards on the lower and upper sides can be locked. It can effectively absorb expansion and contraction due to temperature differences, and furthermore,
After the overlapping ridge side extension, tip locking part, and eave side extension are integrally seam-welded to each other, this welded joint is bent downward at an appropriate angle. This makes it possible to improve the appearance of the welded joint, and at the same time, the surface can be effectively used as a part of the roof design.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a roof plate joining structure for a horizontal roof according to the present invention will be described in detail with reference to FIGS. 1 to 4.

FIG. 1(a) is a cross-sectional view showing the details of the joint structure at each extension part on the eave side single line side of the horizontal roof board according to the first embodiment of the present invention, and FIG. FIG. 2 is a cross-sectional view of the same as the above, showing the form of fitting after welding and joining, and FIG.

That is, in the configuration of the first embodiment shown in FIGS. 1 and 2, the horizontal roof plate (10) has a face plate portion (11) of a predetermined width as a main body in the central portion along the elongated direction. The eave side extension part (21) is left on the negative side, and the ridge side extension part (31) is placed on the other side. A long metal thin steel plate is used as a material, and it is continuously shaped by roll forming or the like, and then cut into a predetermined unit length. For attachment, a hanger member (41) having a predetermined width to be fastened is made of a thicker metal steel material and is formed by press molding or the like.

Therefore, for the eave side extension part (21), a predetermined width (dl) of the - section at the extended one end of the face plate part (11) is allocated for this, and will be described later. As you do,
This eave side extension (21) has substantially its entire width (dl)
The portion acts only as a joint, that is, only as a joint allowance.

Further, regarding the ridge side extension part (31), from the other side part of the face plate part (II), the height (hl) corresponds to the thickness (1) of the roof base material (51), which will be described later. Rising part (
12) to stand up, and also bend it inward by a width (dl) corresponding to the width (dl) of the eave side extension (2I), and form this ridge side extension. It is on the plate surface of the protruding part (31) and is formed by folding back the engaging part (32) that opens toward the tip so that it is parallel or wide parallel to the face plate part (11). As will be described later, substantially the entire width (dl) of this ridge side extension (31) acts only as a joint, that is, only as a joint allowance.

Furthermore, as will be described later, the hanger member (41) is attached to the eave side extension portion (21) of the horizontal roof board (10) on the lower level side and the horizontal side roof plate on the upper level side, which are adjacent to each other. For example, the engaging portions (32) formed on the ridge side extensions (31) at appropriate locations at predetermined intervals in the longitudinal direction between the ridge side extensions (31) of the roof shingles (10). ), an arbitrary tip locking part that locks it so as to hold it in place.In this 1, the tip locking part (42
), and this horizontal roofing board (10) can be attached to the roof base side. In this case,
The attachment to the roof substrate side through the roof substrate (51) is section (43), and similarly to the above, this attachment is section (4).
3) is raised up by a height (h2) corresponding to the thickness (1) of the roof base material (51), and this rising part (44) is connected to the ridge side extension part (31). ) width (d
It consists of a bent part (45) formed by bending a width (d3) corresponding to 1), and a tip locking part (42) which is folded back.

In this case, the roof underlayment material (51) marked @ is not shown in the illustration, but as is well known, it is fixed to the purlin material that makes up the roof frame, or to the rafters. The roof structure according to the example is the same roof base material (51
) The installation shall be fixed on these roof frames with or without.

In the case of the configuration of this first embodiment, in order to join and assemble each horizontal roof board (lO) to the roof structure, in this case, as shown in FIG. (5
1) Attach the part (43) to the roof base side as appropriate on the ridge side extension part (31) of the horizontal roof board (10), which is on the eave side and the lower tier side in the case of a roof. The bent part (45) of the hanger member (41) attached to the ridge side extension part (31) is aligned with the bent part (45) at the selected appropriate position of the engaging part (32) on the ridge side extension part (31). The folded end locking part (42) of 45) is locked and held, and the ridge side, in this case the upper stage, is placed on the ridge side extension part (31) including this folded part (45). The eave side extensions (31) of the side horizontal roof sheets (lO) are overlapped, and in this state, the eave side extensions (31) and eave side extensions are overlapped. The distal end portion of the engaging portion (32) in which at least the distal end locking portion (42) is engaged with the protruding portion (21) is transferred using, for example, known resistance welding means. Possible pair of opposing electrodes (52)
(52), electricity is applied while sandwiching and pressing from the front and back, and seam welding (A) is performed to join them in one direction. The welded joint (
B) is finished by bending the entire part downward at an appropriate angle, and then repeating this operation from the eave side to the line side, that is, from the bottom to the top, to create the desired horizontal roof structure. It constitutes.

Furthermore, during the seam welding (A), due to spatial dimensions, the counter electrode (52)
, If it is difficult to make the insertion settings in (52),
If it is difficult to carry out the welding work itself, as shown by the two-dot chain line in Fig. 1(b), the line-side extensions (31), which are overlapped with each other to form the welded joint, and the tip locking part ( 42) and the eave side extension (21) are positioned in advance in the diagonal F direction, and after the welding is completed, they will be in the state shown in the same figure (a) or (b). good.

In the roof board joint structure of the horizontally ruled roof that has been raised in this way, the lower horizontally ruled roofboards that are adjacent to each other (
10) eave side extension part (21) and the upper side horizontally ruled roof board (
10) and the line side extension product (31).
1) At each appropriate position of the engaging portion (32) on the
) with the tip locking part (42) locked and held,
Since these parts (21) and (31) are seam-welded (A) in one direction, the same parts (21) and (31
) This will completely eliminate the infiltration of rainwater etc. from the overlapping parts, and here it is possible to construct a horizontal roof with a strong structure that is completely sealed from the outside. , In this case 2 For example, the constructed horizontal roof itself is
Not only when the roof slope is normal, but even when the slope is gentle, it can be fully utilized as a horizontal roof structure without the risk of water leakage.

In addition, if necessary, the overlapping line side extension products (
31), the tip locking part (42), and the eave side extension part (21)
) are integrally seam welded (A), and then this welded joint (B) is bent downward at an appropriate angle to finish. (b), and by extension, improve the appearance, and at the same time, make the surface relatively single and flat by making it a part of the design on the roof surface, for example, by making the curved surface. It can be used effectively as a reflective surface in a sense, giving an accent to roof surfaces that tend to be too dark.

Next, FIG. 3 is a cross-sectional view showing the details of the joint structure at each extension part on the eave side 9 line side in a horizontal roof board according to a second embodiment of the present invention. The tip of the eave side extension (21) is folded back downward, and the tip of the line side extension (31) is held by the tip folded portion (22). In the case of the configuration of the second embodiment, the tip end part (21) of one eave side extension (
Regarding 22), this is formed in advance before joining,
At the time of joining, the tip of the line side extension product (31) is held by this tip bent part (22), and the desired seam welding (A) is performed in the part that avoids this holding part. Alternatively, as shown in the configuration of the third embodiment shown in FIG.
Each part including the holding part according to 2) may be seam welded (A) as expected.

Therefore, the configurations of the second and third embodiments have the same effect as the configuration of the first embodiment.

In addition to this effect, it has the advantage of protecting the overlapped end from the outside and improving its appearance.
By holding the tips of 31), it is possible to raise the roof structure to a certain extent, so if rain occurs during the roofing work, seam welding (8) should be performed later. In addition, in the configuration of the third embodiment, the watertightness at the seam weld (A) part is further improved, and the overall weld strength and structural strength are improved. This makes it possible to further improve rigidity.

In the configurations of the first to third embodiments, the engaging portion (32) on the line side extension (31) is formed so as to be parallel or substantially parallel to the face plate portion (11). Therefore, the retaining lock of the end locking part (42) folded back from the bent part (45) of the hanger member (old) to the engaging part (32) is not fixed to the eave side extension. Debe (21)
This is done by pressing the line side extension product (31) and eventually the face plate part (11) against the lower roof base side. This ensures slight movement of the end locking portion (42) in the locking direction, thereby effectively absorbing expansion and contraction of the face plate portion (11) due to temperature differences.

Next, the configuration of the fourth embodiment shown in FIG. 5 has the following features:
A part of the rising part (12), parallel to the face plate part (11),
Or, in the fourth embodiment, the engaging portion (31) of the line side extension (31) is the same as in the first embodiment described above. Similar effect to the formation of 32).

Furthermore, the configuration of the fifth embodiment shown in FIG. In this fifth embodiment, the tip locking portion (42) is connected to the engaging portion (32).
The locking and locking can be performed both in the parallel direction and in the orthogonal direction, and by appropriately selecting each of these embodiments as necessary, a wide variety of applications are possible.

〔Effect of the invention〕

As described in detail above, according to the present invention, the face plate part as the main body extending in the longitudinal direction, the eave side extension part formed on the side part of the face plate part, and the other side part of the face plate part standing up; In addition, a horizontal roof board is provided, which consists of a raised part on the other side of the line-side extension part formed by bending it inward or an engaging part formed by folding back the line-side extension part at an appropriate position. , The end locking part of the hanger member attached to the roof base side is engaged with the engaging part of the horizontal roof board on the lower stage side, and the horizontal roof board on the lower stage side is held and fixed. At the same time, the eave side extension of the upper horizontal roof board is superimposed on the ridge side extension, and in this state, the line side extension and the eave side extension are overlapped. At least the tip end portions of the engaging portions are integrally seam-welded to each other, so that the lower eave side extension and the upper line side extension, and by extension, the horizontal roof panels. After independently securing and attaching itself to the roof base,
It is possible to reliably join the same surname listings on the lower eave side and the upper ridge side, and as a result, it is possible to raise a horizontal roof with a completely watertight and strong structure. Of course, when the horizontal roof itself has a normal roof slope, even when the slope is gentle,
There is no risk of water leakage.

In addition, the tip of the eave side extension of the lower horizontal roof board is folded downward, and this folded tip allows the line side extension of the upper horizontal roof board to be folded downward. By holding the tip, it is possible to protect the overlapped end from the outside, improve its appearance, and also prevent the overlap from being seamed, including the holding part by the folded end. By welding, the welding strength of the entire joint can be increased and the structural rigidity can be further improved.

Furthermore, by folding back the tip locking portion of the hanger member and locking the folded tip locking portion to the engaging portion, the roof base side of each horizontal roof board can be This locking lock is ensured, and the folded end locking portion is locked to the engaging portion formed parallel to or parallel to the face plate portion. In addition to this, it is possible to effectively absorb the expansion and contraction of the horizontal roof panels on the lower and upper levels due to differences in temperature, thereby preventing the roof panels themselves from deforming due to expansion and contraction.

Furthermore, in accordance with each of these configurations, the overlapping line side extensions and eave side extensions are integrally seam welded, and then this welded joint is turned downward at an appropriate angle. By bending the welded joint, the appearance of the welded joint is improved, and the surface can be effectively used as part of the roof design, and it is also extremely simple and simple in terms of structure. It has excellent features such as being easy and inexpensive to implement.

[Brief explanation of the drawing]

FIG. 1(a) is a cross-sectional view showing the details of the joint structure at each extension on the nine-line side of the eaves in a horizontal roof plate to which the first embodiment of the present invention is applied, and FIG. FIG. 2 is a cross-sectional perspective view showing the horizontally ruled roof board and the hanger member taken out individually, and FIGS. FIG. 6 is a sectional view showing the details of the joining structure according to the second to fifth embodiments. (10)...Horizontal roof board (11)...Face plate part, (12)...Standing edge part, (21)...Eave side extension part, (22)...・Tip portion, (31)
... Line side extension product, (32) ... Engagement part, (41
)... Hanging member, (42)... Folded end locking part, (43)... Mounting part, (44)...
・Rising part, (45)...Bending part, (51)...
...Roof base material, (52), (52)...Pair of opposing electrodes, (A)...Seam welding, (B)...
・Welded joints. Patent applicant Funaki Shoji Co., Ltd.

Claims (6)

[Claims] (1) The face plate as the main body extending in the longitudinal direction, the eave side extension formed on one side of the face plate, and the other side of the face plate raised and bent inward. A horizontal roof board is provided, which consists of a ridge extension, a raised part on the other side of the face plate, or an engaging part formed by folding back the ridge extension at a suitable location, and a horizontal roof board on the lower tier side. The end locking part of the hanger member attached to the roof base side is locked to the engaging part of the lower horizontal roof board, and the ridge side extension part is held in place. On top of this, the eave side extension of the upper horizontal roof board is overlapped, and in this state, the overlapping ridge side extension and eave side extension are integrally seam welded. A roof plate joint structure for a horizontal roof. (2) The side surface according to claim 1, characterized in that the tip end of the eaves side extension part is folded back downward, and the tip end of the ridge side extension part is held by the tip end folded part. Roof plate joint structure for thatched roof. (3) Fold back the tip of the eave side extension downward, and let the tip of the eave side extension hold the tip of the ridge extension, and weld the seam including this tip of the turn. The roof plate joint structure for a horizontal roof as claimed in claim 1, characterized in that: (4) Fold back and form the end locking part of the hanger member,
2. The roof plate joining structure for a horizontal roof as claimed in claim 1, wherein the folded end locking portion is locked to an engaging portion. (5) forming the end locking part of the hanger member by folding it back;
2. The roof plate joining structure for a horizontal roof as set forth in claim 1, wherein the folded end locking portion is locked to an engaging portion formed parallel or substantially parallel to the face plate portion. . (6) The overlapping ridge side extension and eaves side extension are integrally seam welded, and then this welded joint is bent downward at an appropriate angle. Claim 1
6. The roof plate joint structure of a horizontally-roofed roof according to any one of items 5 to 5.