JPH0647862B2 - Roof board joint structure of a thatched roof - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a roof board joining structure for a thatched roof, and more specifically, a predetermined cross-sectional shape for connection is provided on both sides of a face plate section having a predetermined width. A state in which a side-roofing roof plate with eaves side and ridge-side extensions is provided, and the engaging part of the side-roofing roof plate is pressed and held by the tip locking part of the suspension member attached to the roof base side Then, the ridge-side extension of the lower thatched roof board and the eaves-side extension of the upper thatched roof board are integrally seam welded together to raise the thatched roof. It relates to a roof plate joint structure.

[Conventional technology]

Regarding the roof structure of this kind of side-roofing type, the eaves side ridge side and the ridge side are formed with the eaves side and the ridge side of the face plate part that is mainly the roof, and the roof surface is formed by engaging them. Roofing roof plates occupy the mainstream, and various types and forms of the engaging portions have been proposed in the past. Above all, in the thatched roofing board using a long thin metal steel plate, a combination engagement part shape mainly intended to prevent intrusion of rainwater etc. from the eaves side and the ridge side engaging parts which are mutually engaged and connected. Development is active.

Such a roofing roofing board using a long thin metal steel sheet is usually formed by using a long thin metal steel sheet having a predetermined width, which has been baked for rust prevention, as a roof material, and roll-forming this thin metal steel sheet. Machine, etc., leaving the face plate part that is the main part in the central part along the longitudinal direction, forming the eaves side molding part on one side side and the ridge side molding part on the other side side continuously. Is cut into a predetermined unit length for use.

[Problems to be solved by the invention]

However, the roof board joint structure of the conventional thatched roof by forming the eaves-side and ridge-side engagement portions as described above is based on the premise that the roof surface has an appropriate roof slope for the applicable roof surface. Therefore, unlike the case of a thatched roof structure that is relatively unconstrained by the roof slope, the slope is gentle, such as the round roof of a large building such as a gymnasium or the top of the roof of a semi-cylindrical roof. For a roof surface, a roof surface that is almost flat, etc., it cannot be effectively applied for various reasons.

Accordingly, the present invention provides a roof board joint structure for a thatched roof that can be applied satisfactorily and effectively not only to a normal roof surface having a corresponding slope but also to a roof surface having a gentle slope. It is intended to be provided.

[Means for Solving the Problems] In order to achieve the above-mentioned object, a roof board joint structure for a thatched roof according to the present invention has a face plate part and an eaves side extension part formed on one side part of the face plate part. And a ridge-side extending portion formed on the other side of the face plate portion, and a part of the ridge-side extending portion is raised to form a rising portion, and the rising portion or the ridge is further formed. A lateral thatched roof plate having an engaging portion formed by folding back the side extending portion at an appropriate position is provided, and the leading end locking portion of the suspension member attached to the roof base side is provided at the engaging portion of the lateral thatched roof plate on the lower stage side. To lock the lower roof side roofing roof plate against the base, and then stack the eaves side extension of the upper terrace side roofing roof plate on the ridge side extension. The ridge-side extension and the eaves-side extension that are overlapped are integrally seam-welded.

Further, the point end of the eaves-side extension is folded back to form a folded-back portion, and the tip of the ridge-side extension is held by the folded-back portion, and the eaves-side extension is The tip end portion is folded back, the tip end portion of the ridge-side extending portion is held by the tip end folded portion, and the tip end folded portion is seam welded.

Further, the front end portion of the suspension member is folded back to form a front end locking portion, and the front end locking portion is locked to the engagement portion of the side thatched roof plate. Characterized in that the front end is folded back to form a front end locking part, and the front end locking part is locked to an engaging part formed in parallel or substantially parallel to the face plate part of the roofing roofing plate. Is.

Furthermore, the ridge-side extending portion, the tip locking portion, which are overlapped,
And the eaves side extension part are integrally seam welded to each other, and then this welding joint part is bent downward at an appropriate angle.

[Action]

That is, in the roofing board joining structure for a horizontal thatched roof according to the present invention, the lower end of the lower roofing roofing board is engaged with the engaging portion of the lower thatching roofing board, and the lower end of the suspension member attached to the roof base side is locked. Side roofing roof board is pressed and held to the foundation, and the eaves side extension of the upper side roofing roof board is overlapped on the ridge side extension, and in this state, these overlapped ridge sides Since the eaves-side extension part and the eaves-side tip side part of the eaves-side extension part are integrally seam welded, the eaves-side extension part on the lower tier and the ridge-side extension on the upper tier It is possible to reliably join both parts and parts, and it is possible to raise a completely watertight tough roof with a tough structure.

Also, by folding back the tip of the eaves-side extension and holding the tip of the ridge-side extension by the tip-folding portion, it is possible to protect the overlapping portion and improve the appearance. In addition, by seam-welding the overlapping portion including the holding portion formed by the folded-back end portion, the toughness of the joint portion can be further improved.

Further, the tip end portion of the suspension member is folded back to form a tip end locking portion, and the tip end engaging portion is locked to the engaging portion, so that each lateral thatched roof plate is pressed and held to the roof substrate side. It can be done reliably.

In addition, the tip end portion of the suspension member is folded back to form the tip end locking portion, and the tip end locking portion is locked to the engaging portion formed in parallel with or substantially in parallel with the face plate portion. It is possible to effectively absorb the expansion and contraction due to the difference in temperature between the lower and upper side roofing roof plates in addition to pressing and holding the side thatched roof plates against the roof base side.

In addition, after the seam welding of the ridge-side extending portion, the tip locking portion, and the eaves-side extending portion that have been overlapped is performed integrally by seam welding, by bending this welding joint portion downward at an appropriate angle. , The appearance of the welded joint is improved, and the surface can be effectively used as a part of the design on the roof surface.

〔Example〕

Hereinafter, a first embodiment of a roof board joint structure for a thatched 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 of the eaves side and the ridge side extensions of the horizontal thatched roof board according to the first embodiment of the present invention, and FIG. 1 (b) is made as necessary. FIG. 2 is a sectional perspective view showing a housed state after welding and joining, and FIG. 2 is a sectional perspective view showing the roofing roof plate and the suspension member individually taken out.

In FIGS. 1 and 2, a lateral thatched roof plate (10) has a face plate portion (11) of a predetermined width as a main body in a central portion along the longitudinal direction.
The eaves side extension part (21) on one side and the eaves side extension part (31) on the other side, and a long metal of a predetermined width that has been baked for rust prevention, etc. A thin steel plate is used as a material, is continuously formed by roll forming, and is cut into a predetermined unit length for use. Further, the suspension member (41) having a predetermined width for attaching and fixing the side roofing roof plate (10) to the roof substrate side is formed by press molding with a metal steel plate thicker than the roofing plate (10). To use.

As shown in FIG. 2, the eaves side extending part (21) has the face plate part.
A part corresponding to a predetermined width (d1) of a part of the extended one side end of (11) is allocated to this, and this eave side extension (2
In 1), substantially the entire width (d1) acts only as a joining margin.

The ridge-side extending portion (31), from the other side of the face plate portion (11),
While raising only the height (h1) corresponding to the thickness (t) of the base material (51) described later to bend and form the rising portion (12),
Fold down to the ridge side, leaving only the width (d2) corresponding to the width (d1) of the eaves side extension (21) on the ridge side, and further parallel or nearly parallel to the face plate portion (11). Further, a substantially S-shaped engaging portion (32) that opens toward the eaves is formed by folding back.

As will be described later, the ridge-side extension portion (31) acts only as a joint portion, that is, as a joint margin, the entire width (d2) of which corresponds to the eaves-side extension portion (21).

Furthermore, the suspension member (41) is, as will be described later, a ridge of the eaves-side extending portion (21) of the adjacent lower roof side roofing plate (10) and the upper side roofing roof plate (10). It has a tip locking portion (42) that presses and holds an engaging portion (32) formed between the side extending portion (31).

This suspension member (41) includes a mounting portion (43) for mounting the side thatched roof plate (10) on the base side, and a mounting portion (43) having a height corresponding to the thickness (t) of the base material (51). The rising part (44) that has been raised by the amount of (h2), the bent part (45) in which the tip part of this rising part (44) is bent toward the eaves, and the tip part of this bent part (45). It comprises a tip locking portion (42) for folding back to the ridge side and engaging with the engaging portion (32).

Then, the tip end locking portion (42) is locked to the engaging portion (32) of the lateral thatched roof plate (10), whereby the lateral thatched roof plate (10) is pressed and held on the base.

In addition, the base material (51) is fixed to a main building material, rafters, or the like.

Hereinafter, a procedure for assembling and assembling the respective thatched roof shingles (10) of the first embodiment configuration to the roof structure will be described.

As shown in FIG. 1 (a), the eaves side, that is, the lower roof side roofing board (10) is attached on the base material (51), and the side of the roofing roofing board (10) extends to the ridge side. On the part (31), bend the suspension member (41).
(45) along with the engagement part (32) with the tip locking part (4
2) is locked to fix the suspension member (41) to the base material (51).

Next, on the ridge-side extension (31) including the bent portion (45), the ridge-side, that is, the eaves-side extension (21) of the horizontal thatched roof panel (10), which is the upper side, is overlaid. In this state, the ridge-side extension portion (31) and the eaves-side extension portion (21), which are superposed on each other, are connected to each other by a well-known resistance welding means so that the pair of rollable Counter electrode (52), (5
By 2), electricity is applied while sandwiching and pressing from the front and back, and seam welding (A) is performed to integrally join.

If necessary, as shown in FIG. 1 (b), the welded joint between the ridge-side extension (31) and the eave-side extension (21) that are overlapped and seam welded (A). The entire part of (B) can be bent downward at an appropriate angle.

In this way, this operation is sequentially raised from the eaves side to the ridge side to form the desired side-roof roof structure.

In the seam welding (A), when it is difficult to set the opposing electrodes (52) and (52) to the corresponding welding portion due to spatial dimensions, it is possible to use As shown by the chain double-dashed line in b), the ridge-side extension (31) and the eaves-side extension (21) are positioned in advance diagonally upward, and after the welding is completed, the same figure (a)
Alternatively, the state shown in (b) may be set.

In the roof board joint structure of such a thatched roof, the eave side extension (21) of the upper side roofing roof board (10) and the lower side roofing roof board (10) that are adjacent to each other Ridge side extension (3
1) and, with the tip locking portion (42) of the suspension member (41) being pressed and held at appropriate positions of the engaging portion (32) on the ridge-side extending portion (31). Seam welding (A) of all parts (21) and (31)
Because of this, it is possible to sufficiently prevent rainwater and the like from entering from the overlapping portions of the respective portions (21) and (31).

At the same time, it is possible to construct a thatched roof with a strong structure that is completely sealed from the outside, and when the thatched roof itself has a normal roof slope, even when it has a gentle slope, It is possible to provide a lateral thatched roof structure that does not cause water leakage or the like.

If necessary, the ridge-side extension (31) and the eaves-side extension (2
After seam welding (A) of 1) to each other integrally, then by bending this welding joint (B) downward at an appropriate angle to finish, the same welding joint (B) to the roof structure
It is possible to improve the settlement and appearance cohesion. Therefore, it is possible to give an accent to the roof surface, which has a relatively single welded portion and is too flat to be flat, and to effectively utilize it as a reflecting surface or the like in terms of design.

FIG. 3 is a sectional view showing the details of the joint structure of the eaves-side extending portion (21) and the ridge-side extending portion (31) in the lateral thatched roof panel according to the second embodiment of the present invention. In the second embodiment, the front end of the eaves-side extending portion (21) is folded back from the lower side toward the ridge side, and the front-end portion of the ridge-side extending portion (31) is held by the front end folding portion (22). It was made to let. And seam welding
(A) The point is that the tip folded-back portion (22) of the eave-side extending portion (21) is formed in advance before joining, and at the time of joining, the tip folded portion
After holding the tip of the ridge-side extension (31) with (22),
The seam welding (A) may be performed on a portion other than the holding portion.

FIG. 4 shows the third embodiment, in which seam welding is performed.
(A) shows each part including the holding part by the folded-back part (22) at the tip.

Therefore, in each of the configurations of the second and third embodiments, in addition to the operation and effect of the configuration of the first embodiment, there is an advantage that the overlapping end portion can be protected from the outside and the appearance appearance thereof can be adjusted. .

Furthermore, the roof structure can be temporarily raised by hugging the tip of the ridge-side extension (31) by the folded-back portion (22) of the eaves-side extension (21). If rainfall is encountered during work, seam welding (A) can be performed at a later date to improve workability.

In addition to the above, the structure of the third embodiment can further improve the watertightness of the seam welding (A) portion, and further improve the overall welding strength and structural rigidity.

And in the said 1st thru | or 3rd Example structure, since the engaging part (32) on the ridge side extension part (31) is formed so as to be parallel or substantially parallel to the face plate part (11), The engaging portion (32)
The eaves side extending part (21) and the ridge side extending part (31), and further the face plate by pressing and holding the tip locking part (42) folded back from the bent part (45) of the suspension member (41) against the It acts so as to press the part (11) against the lower roof substrate side. Therefore, the fine movement in the locking direction of the distal end locking portion (42) in the engagement portion (32) is ensured, and the expansion and contraction of the face plate portion (11) due to the difference in temperature and the like is effectively absorbed. be able to.

In the configuration of the fourth embodiment shown in FIG. 5, the pressing and holding of the tip locking portion (42) against the engaging portion (32) is performed by a part of the rising portion (12) in parallel with the face plate portion (11). It is designed to be performed almost in parallel.

Also in the structure of the fourth embodiment, the same operation and effect as in the structure of the first embodiment and the formation of the engaging portion (32) of the ridge-side extending portion (31) can be obtained.

The configuration of the fifth embodiment shown in FIG. 6 is a case where the engaging portion (32) of the ridge-side extending portion (31) is made to be orthogonal to the face plate portion (11) or substantially orthogonal thereto. .

In the configuration of the fifth embodiment, the distal end locking portion (42) can be pressed and held against the engaging portion (32) in the orthogonal direction. By appropriately selecting each of these embodiments as needed, a wide variety of applications are possible.

〔The invention's effect〕

As described in detail above, according to the present invention, the end locking portion of the suspension member attached to the roof base side is locked to the engaging portion of the lower side thatched roof plate so that the lower side side thatch. While keeping the roof plate pressed against the base, the eaves side extension of the upper thatched roofing roof is overlaid on the ridge side extension, and in this state,
Since at least the eaves-side extension portion and the eaves-side extension portion at least the eaves-side tip end portion of the eaves-side extension portion are seam-welded together, the eaves-side extension portion and the upper-stage portion on the lower stage side are integrally welded. It is possible to reliably join both the ridge and the ridge-side extension, and it is possible to raise a completely watertight side-roof roof with a tough structure.

Also, by folding back the tip of the eaves-side extension and holding the tip of the ridge-side extension by the tip-folding portion, it is possible to protect the overlapping portion and improve the appearance. In addition, by seam-welding the overlapping portion including the holding portion formed by the folded-back end portion, the toughness of the joint portion can be further improved.

Further, the tip end portion of the suspension member is folded back to form a tip end locking portion, and the tip end engaging portion is locked to the engaging portion, so that each lateral thatched roof plate is pressed and held to the roof substrate side. It can be done reliably.

In addition, the tip end portion of the suspension member is folded back to form the tip end locking portion, and the tip end locking portion is locked to the engaging portion formed in parallel with or substantially in parallel with the face plate portion. It is possible to effectively absorb the expansion and contraction due to the difference in temperature between the lower and upper side roofing roof plates in addition to pressing and holding the side thatched roof plates against the roof base side.

In addition, after the seam welding of the ridge-side extending portion, the tip locking portion, and the eaves-side extending portion that have been overlapped is performed integrally by seam welding, by bending this welding joint portion downward at an appropriate angle. In addition, it has many features such as improving the appearance of the welded joint and effectively utilizing the surface as a part of the design on the roof surface.

[Brief description of drawings]

FIG. 1 (a) is a cross-sectional view showing the details of the joint structure at the eaves side and the ridge side extensions of the lateral thatched roof plate to which the first embodiment of the present invention is applied, and FIG. 1 (b) is necessary. FIG. 2 is a cross-sectional view showing a housed state after welding and welding according to the same, FIG. 2 is a cross-sectional perspective view showing the roofing roof plate and the suspension member individually taken out, and FIGS. It is sectional drawing which shows the detail of the joining structure by 2 thru | or 5th Example. (10) …… Side-roof roof (11) …… Face plate (12) …… Rise (21) …… Eaves side extension (22) …… Folding part (31) …… Building side extension (32) …… Engagement part (41) …… Suspension member (42) …… Tip locking part (43) …… Mounting part (44) …… Rise part (45) …… Bent part (51) …… Base materials (52), (52) …… A pair of opposing electrodes (A) …… Seam welding (B) …… Welding joint

Claims (6)

[Claims] 1. A ridge-side extension portion which comprises a face plate portion, an eaves-side extension portion formed on one side portion of the face plate portion, and a ridge-side extension portion formed on the other side portion of the face plate portion. A part of the roof is formed to form a rising part, and a lateral thatched roof plate having an engaging part formed by folding back this rising part or an appropriate portion of the ridge-side extending part is provided. The tip locking part of the suspension member attached to the roof base side is locked to the engaging part of the roof plate to press and hold the lower thatched roof plate against the base, and the extension part on the ridge side In this state, the eaves-side extension of the upper roof side thatched roof plate is overlapped, and in this state, the overlapping ridge-side extension and eaves-side extension are integrally seam welded. A roof board joint structure for a thatched roof. 2. The eaves-side extending portion is folded back to form a folded-back portion, and the folding-side portion holds the tip of the ridge-side extending portion. Roof board joint structure for the thatched roof. 3. The eaves-side extending portion is folded back to form a folded-back portion, the folding-back portion holds the tip of the ridge-side extending portion, and seam welding is performed including the folding-back portion. The roof board joining structure for a thatched roof according to claim 1, wherein 4. The front end portion of the suspension member is folded back to form a front end locking portion, and the front end locking portion is locked to an engaging portion of a side thatched roof plate. Roof board joint structure for the thatched roof. 5. A front end portion of a suspension member is folded back to form a front end locking portion, and the front end locking portion is engaged with an engaging portion formed in parallel or substantially parallel to a face plate portion of a side thatched roof. The roof board joining structure for a thatched roof according to claim 1, which is stopped. 6. The ridge-side extension and the eaves-side extension that are superposed are integrally seam-welded together, and then the welded joint is bent downward at an appropriate angle. The roof board joining structure for a thatched roof according to any one of claims 1 to 5.