JP2010070982A - Roofing structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce the number of laid roof members by increasing the holding force of the roof members on the support part of a roof support member and increasing the area of the main plate part thereof. <P>SOLUTION: The support part 21 of the roof support member 20 includes a pair of upper stage support parts 25c and a pair of lower stage support parts 23c which are formed at both side edges, respectively. A scooping side locking part 27 at one side edge of the roof member 22B icnludes a scooping side lower stage locking part 30 which is engaged with one side edge of the support part and elastically locked with a lower stage support part at one side edge of the support part, and a scooping side upper stage locking part 32 which is elastically locked with an upper stage support part at one side edge of the support part. A covering side locking part 28 at the other side edge of the roof member 22A includes a pair of covering side lower stage locking parts 33, 37 which are formed in a crown shape engaged with both side edges of the support part and elastically locked with the pair of lower stage support parts at both side edges of the support part, and a pair of covering side upper stage locking parts 34, 36 which are elastically locked to the pair of upper stage support parts at both side edges of the support part. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a roofing structure using a metal folded plate roofing material used for buildings such as factories and warehouses.

In recent years, roofing structures using a plurality of metal folded-plate roofing materials have been used for buildings having a large space with few columns and beams, such as factories and warehouses.
As a conventional roofing structure, for example, the roofing structure of Patent Document 1 is known.
As shown in FIG. 4, this roofing structure is composed of a bracket 2 fixed on the roof structural member 1 and a roof member 3 that engages the bracket 2 without using a connecting bolt. .

The bracket 2 is a substantially trapezoidal member that is symmetrical in side view when a single band plate is bent, and is formed on the top side portion 4, a pair of upper stage receiving portions 5, and the lower portion of these upper stage receiving portions 5. A pair of lower stage receiving parts 6 and leg parts 7 hanging from the lower edges of the pair of lower stage receiving parts 6 are provided.
The roof material 3 is a member having a uniform cross-section by bending a metal plate, and a main plate portion 8 formed at a central portion in the width direction and a crown-shaped portion 9A formed at one side edge of the main plate portion 8. And a coronal part 9B formed on the other side edge of the main plate part 8, with one coronal part 9A serving as a rake side and the other coronal part 9B serving as a covering side. Are stacked one after another.
The coronal portions 9A and 9B include inner locking portions 10A and 10B formed on the main plate portion 8 side, top surface portions 11A and 11B projecting substantially horizontally, and outer end locking portions 12A and 12B formed at the ends. I have.

As shown by a broken line in FIG. 4, the rake-side coronal portion 9A engages the inner locking portion 10A with one lower receiving portion 6 of the metal fitting 2 while being elastically deformed, and the outer end locking portion 12A. Is engaged with one upper receiving portion 5 of the receiving metal fitting 2 while being elastically deformed and covers the top side 4 of the receiving metal fitting 2. Further, the cover-side coronal portion 9B engages with the outer end locking portion 12B elastically deforming one lower receiving portion 6 of the metal fitting 2 via the inner locking portion 10A of the rake-side coronal portion 9A. Then, the inner locking portion 10B engages with the other lower receiving portion 6 of the metal fitting 2 while being elastically deformed, so that the top side portion 4 of the metal fitting 2 is covered via the rake-side crown 9A. Has been.
Japanese Patent No. 3426548 (FIG. 1)

By the way, the roofing structure of Patent Document 1 described above increases the holding power of the roof material 3 with respect to the bracket 2, so that the rake-side crown-shaped portion 9 </ b> A and the cover-side crown-shaped portion 9 </ b> B cover the top side 4 of the bracket 2. The roof material 3 requires a large area to form the crown-shaped portions 9A and 9B that cover the entire metal fitting 2 and the area of the main plate portion 8 becomes narrow. For this reason, there is a possibility that a roofing structure with an increased construction cost may be obtained by using a large number of roofing materials 3 having a small area of the main plate portion 8.
The present invention has been made in view of the above circumstances, and can increase the holding power of the roof material with respect to the receiving portion provided in the roof structure material, and has a large main plate area and a reduced number of laying sheets. It aims at providing the roofing structure which can aim at reduction of construction cost by using.

  In order to solve the above-mentioned problem, the roofing structure according to claim 1 of the present invention is a rake formed by bending at one side edge of a receiving plate provided on a roof support material and a main plate portion of a roof material made of a metal plate. A side locking portion and a cover side locking portion bent at the other side edge of the main plate portion, and the rake side locking portion of the pair of roofing materials disposed adjacent to the receiving portion, and In the roofing structure in which the roofing material is spread by covering and locking the covering side locking portion, the receiving portion is formed with a pair of upper and lower receiving portions on both side edges in the roofing direction of the roofing material. The rake side locking portion is engaged with one side edge of the receiving portion, and the rake side lower locking portion is elastically locked to the lower receiving portion of the one side edge of the receiving portion. And a rake side upper locking portion that elastically locks to the upper receiving portion of one side edge of the receiving portion The cover side locking portion has a crown shape that engages with both side edges of the receiving portion, and a pair of cover side elastically locking with the pair of lower stage receiving portions on both side edges of the receiving portion A lower locking portion and a pair of cover-side upper locking portions that elastically lock to the pair of upper receiving portions on both side edges of the receiving portion.

  According to a second aspect of the present invention, in the roofing structure according to the first aspect, the covering side lower locking portion engaged with the one side edge of the receiving portion is the rake side lower locking portion. The cover-side upper stage locking part that is elastically locked to the lower stage receiving part of the receiving part via the one side edge of the receiving part is the rake side upper stage locking part It is elastically locked to the step receiving portion of the receiving portion via the.

  Furthermore, the invention according to claim 3 is the roofing structure according to claim 1 or 2, wherein the receiving part is a first trapezoidal receiving part and a top part fixed to the top part of the first receiving part. The first receiving portion is formed by bending a pair of oblique sides protruding outward and obliquely downward from both side edges of the top side portion, and the lower edges of these oblique sides inwardly. A pair of lower receiving portions, wherein the second receiving portion includes a contact plate portion contacting the top side portion and a pair of engagement members extending upward from both side edges of the contact plate portion. It is a member having a substantially U-shaped cross section provided with a plywood portion, and the pair of upper receiving portions are formed by bending the ends of the pair of engaging plate portions outward.

According to the roofing structure according to the present invention, the crown-shaped locking portions are not formed on both side edges of the roof material as in the conventional structure, and one side edge of the roof material is one of the receiving portions of the structural material. By forming the rake side locking portion that engages with the side edge, the area of the main plate portion is increased. For this reason, by using a roofing material having a large area of the main plate portion, the number of roofing materials to be laid down is reduced, and the construction cost can be reduced.
In addition, the cover side locking portion formed on the other edge of the roof material has a crown shape that engages with both side edges of the receiving portion, and elastically locks with a pair of lower receiving portions on both side edges of the receiving portion. A pair of cover side lower stage locking parts and a pair of cover side upper stage locking parts elastically locked to a pair of upper stage receiving parts on both side edges of the receiving part. Holding power can be increased.

The roofing structure according to the present invention will be described below with reference to the drawings.
The roofing structure of the present embodiment, as shown in FIG. 1, is a receiver formed at a predetermined interval on a roof support member 20 that is fixed on a roof structure member such as a beam or a purlin and extends in the direction of the beam. It is the structure provided with the part 21 and several roof material 22A, 22B latched by covering a predetermined | prescribed receiving part 21 with a side edge.
The rake side locking portion 27 of the roof material 22B is engaged with the receiving portion 21, and the cover side locking portion 28 of the roof material 22A is engaged with the receiving portion 21, so that the roof material is interposed via the receiving portion 21. The side edges of 22A and 22B are connected to each other.

Below, the receiving part 21 and roof material 22A, 22B which comprise the roofing structure of this embodiment are demonstrated in detail.
As shown in FIG. 2, the receiving portion 21 includes a first receiving portion 23 formed in a substantially trapezoidal shape, and a second receiving portion fixed to the top side portion 23 a of the first receiving portion 23 via a fixing screw 24. Part 25.
The first receiving portion 23 is formed of a pair of oblique sides 23b that protrude outwardly and obliquely downward from both side edges of the top portion 23a, and a pair of bent sides formed by bending the lower edges of the pair of oblique sides 23b inward. And a lower receiving portion 23c.

The second receiving portion 25 includes a contact plate portion 25a that contacts the top side portion 23a of the first receiving portion 23 and a pair of engaging plate portions 25b that extend upward from both side edges of the contact plate portion 25a. A member having a substantially U-shaped cross section. A pair of upper receiving portions 25c are formed at the upper ends of the pair of engaging plate portions 25b by bending outward from each other.
On the other hand, as shown in FIG. 3, the roofing materials 22 </ b> A and 22 </ b> B are members formed by bending a rectangular metal plate, and a rake side locking portion 27 formed on one side edge in the longitudinal direction of the main plate portion 26. And a covering side locking portion 28 formed on the other side edge in the longitudinal direction of the main plate portion 26, and a covering side locking portion 28 and a ridge 29 formed in the middle of the main plate portion 26.

  That is, as shown in FIG. 3, the rake side locking portion 27 rises obliquely upward outward from one side of the main plate portion 26 and protrudes outward with respect to the main plate portion 26. And a receiving portion contact portion 31 that rises obliquely upward outward from the rake side lower locking portion 30 and is bent outward with respect to the main plate portion 26, and outward obliquely upward from the receiving portion contact portion 31. The rake side upper stage latching | locking part 32 of standing | starting-up and the front-end | tip part turned back to the main-plate part 26 side and the substantially V shape is comprised.

  Further, as shown in FIG. 3, the cover side locking portion 28 has a crown shape, rises obliquely upward outward from the other side of the main plate portion 26, and protrudes outward with respect to the main plate portion 26. A locking portion 33, a covering-side upper locking portion 34 that rises obliquely upward and outward from the covering-side lower locking portion 33 and protrudes outward with respect to the main plate portion 26, and the covering-side upper locking portion The top plate portion 35 extending outwardly from the main plate portion 26 so as to be substantially parallel to the main plate portion 26, and the main plate portion 26 descends obliquely downward outward from the top plate portion 35 with respect to the main plate portion 26. A cover-side upper stage locking portion 36 that protrudes inwardly from the cover side, and the cover-side upper stage locking portion 36 descends obliquely outward and downward with respect to the main plate portion 26, and protrudes inward with respect to the main plate portion 26. From the covering side lower stage locking part 37 and the covering side lower stage locking part 37 Down outwardly obliquely downward with respect to the plate portion 26, the tip portion is constituted by the main plate engaging portion 38 of the substantially V-shaped folded back to the main plate 26 side.

Further, the cover side locking portion 28 formed in the middle of the main plate portion 26 includes a cover side locking portion 28 formed on the other side edge in the longitudinal direction of the main plate portion 26 and a main plate locking portion as shown in FIG. It is formed in the same shape as the structure excluding the portion 38.
And as shown in FIG. 2, the rake side latching | locking part 27 formed in the one side edge of the longitudinal direction of the main board part 26 of the roofing material 22B is the rake side lower stage latching | locking part 30 on one side of the receiving part 21. The lip side upper stage locking part 32 is elastically locked to the lower stage receiving part 23c of the edge, the rake side upper stage locking part 32 is elastically locked to the upper stage receiving part 25c of one side edge of the receiving part 21, and the receiving part contact part 31 is It is engaged with one side edge of the receiving part 21 in a state extending so as to be in contact with the top side 23 a of the receiving part 21.

  Further, the cover side locking portion 28 formed on the other side edge in the longitudinal direction of the main plate portion 26 of the roof material 22A has a roof material 22B on one side edge of the receiving portion 21 as shown in FIG. In a state where the rake side locking portion 27 is engaged, the cover side lower step locking portion 33 is elastically locked to the lower step receiving portion 23c of the other side edge of the receiving portion 21, and the cover side upper step locking portion 34 is engaged. Is elastically locked to the upper receiving portion 25c of the other side edge of the receiving portion 21, and the covering side upper step locking portion 36 is connected to the one side edge of the receiving portion 21 via the rake side upper step locking portion 32. The upper side receiving part 25c is elastically locked, and the cover side lower stage locking part 37 is elastically locked to the lower stage receiving part 23c on one side edge of the receiving part 21 via the rake side lower stage locking part 30. In this state, it is engaged with both side edges of the receiving portion 21 so as to cover the entire receiving portion 21.

  Further, the covering side locking portion 28 formed in the middle of the main plate portion 26 of the roofing material 22 </ b> A has a covering side lower level locking portion 33, which is a lower level receiving on the other side edge of the receiving portion 21, as shown in FIG. 1. The cover side upper stage locking part 34 is elastically locked to the upper stage receiving part 25 c of the other side edge of the receiving part 21, and the covering side upper stage locking part 36 is received by the receiving part 21. The upper side receiving portion 25c of one side edge of the receiving portion is elastically locked, and the lower side locking portion 37 of the covering side is elastically locked to the lower side receiving portion 23c of one side edge of the receiving portion 21. It is engaged with both side edges of the portion 21 so as to cover the entire receiving portion 21.

Next, the effect of the roofing structure of the said structure is demonstrated.
In the roofing material 22A (22B) constituting the roofing structure of the present embodiment, a rake side locking portion 27 that is engaged with only one side edge of the receiving portion 21 is formed on one side edge in the longitudinal direction. In order to cover the whole receiving bracket, the other side edge in the longitudinal direction is formed with a covering side locking portion 28 that engages with both side edges of the receiving portion 21 and covers the entire receiving portion 21. Compared to a conventional roof material in which crown portions are formed on both side edges, the area for forming the rake side locking portion 27 and the covering side locking portion 28 can be reduced, and the area of the main plate portion 26 can be increased. it can. For this reason, by using the roofing material 22A (22B) having a large area of the main plate portion 26, the number of roofing materials 22A (22B) to be laid can be reduced and the construction cost can be reduced.

  Further, in the covering side locking portion 28 of the roofing material 22 </ b> A (22 </ b> B) of the present embodiment, the pair of covering side lower locking portions 33 and 37 are elastic to the lower receiving portions 23 c and 23 c on both side edges of the receiving portion 21. A pair of cover-side upper stage locking parts 34, 36 are elastically locked to the upper stage receiving parts 25c, 25c on both side edges of the receiving part 21, compared with the conventional roofing structure, Since the number of portions that are elastically locked to the receiving portion 21 is increased, the holding force of the other side edge in the longitudinal direction of the roof material 22A (22B) with respect to the roof support material 20 (receiving portion 21) is increased. Further, the cover side upper stage locking part 36 is elastically locked to the upper stage receiving part 25c of one side edge of the receiving part 21 via the rake side upper stage locking part 32, and the cover side lower stage locking part 37 is Since it is elastically locked to the lower step receiving portion 23c of one side edge of the receiving portion 21 via the rake side lower step engaging portion 30, the roof material 22A (22B) with respect to the roof support member 20 (receiving portion 21) ) Also increases the holding force of one side edge in the longitudinal direction.

Accordingly, a roofing structure is provided in which the holding force of the roof material 22A (22B) against the roof support material 20 (receiving portion 21) is sufficiently increased even when wind pressure that pushes up the roof material 22A (22B) acts during a storm. can do.
Moreover, the receiving part 21 is comprised by the 1st receiving part 23 formed in the substantially trapezoid shape, and the 2nd receiving part 25 fixed to the top side part 23a of this 1st receiving part 23, and is a roof support material. Since the pair of lower stage receiving portions 23c and the pair of upper stage receiving portions 25c can be formed without giving a complicated shape to 20, the manufacturing cost of the roof support member 20 can be reduced.
Although the receiving part 21 (the first receiving part 23 and the second receiving part 25) is not necessarily symmetrical, it is possible to configure the roofing structure. In particular, the receiving part 21 is symmetrical. By adopting the shape, when the roofing material 22A (22B) is locked to the receiving portion 21, the work can be efficiently performed without worrying about the directionality of the receiving portion 21.

It is the figure which showed the roofing structure which concerns on this invention from the eaves-ridge direction. It is a figure which shows the state which the edge parts of the roofing material arrange | positioned adjacent to the receiving part provided in the structural material in the roofing structure which concerns on this invention have latched. It is a side view which shows the roof material which comprises the roofing structure which concerns on this invention. It is a figure which shows the structure of the conventional roofing structure.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 20 ... Roof support material, 21 ... Receiving part, 22A, 22B ... Roof material, 23 ... 1st receiving part, 23a ... Top side part, 23b ... Oblique side part, 23c ... Lower stage receiving part, 24 ... Fixed screw, 25 ... 1st 2 receiving portions, 25a ... abutting plate portion, 25b ... engaging plate portion, 25c ... upper receiving portion, 26 ... main plate portion, 27 ... rake side locking portion, 28 ... cover side locking portion, 29 ... ridge, 30 ... rake side lower stage locking part, 31 ... receiving part contact part, 32 ... rake side upper stage locking part, 33, 37 ... cover side lower stage locking part, 34, 36 ... cover side upper stage locking part, 35 ... top Plate part, 38 ... main plate locking part

Claims (3)

A receiving portion provided on the roof support material, a rake side locking portion formed on one side edge of the main plate portion of the roof material made of a metal plate, and a cover formed on the other side edge of the main plate portion. A roof that covers the roof material by covering the receiving portion with the rake side locking portion and the covering side locking portion of a pair of roofing materials arranged adjacent to each other. In that structure,
The receiving portion is formed with a pair of an upper receiving portion and a lower receiving portion on both side edges of the roofing direction of the roof material,
The rake side locking portion engages at one side edge of the receiving portion, and the rake side lower locking portion that elastically locks to the lower receiving portion of one side edge of the receiving portion; A rake side upper stage locking portion that elastically locks to the upper stage receiving part on one side edge of the receiving part,
The covering side locking portion has a crown shape that engages with both side edges of the receiving portion, and a pair of covering side lower locking portions that elastically lock to the pair of lower receiving portions on both side edges of the receiving portion. And a pair of cover-side upper stage locking parts that elastically lock to the pair of upper stage receiving parts on both side edges of the receiving part.   The covering side lower stage locking part engaged with the one side edge of the receiving part is elastically locked to the lower stage receiving part of the receiving part via the rake side lower stage locking part. The cover-side upper stage locking portion that engages with the one side edge of the receiving portion is elastically locked to the step receiving portion of the receiving portion via the rake side upper stage locking portion. The roofing structure according to claim 1, wherein: The receiving portion is composed of a substantially trapezoidal first receiving portion and a second receiving portion fixed to the top side portion of the first receiving portion,
The first receiving portion includes a pair of oblique sides protruding outward and obliquely downward from both side edges of the top side portion, and the pair of lower stage receiving portions formed by bending the lower edges of the oblique sides inward. And
The second receiving portion has a substantially U-shaped cross section including a contact plate portion that contacts the top side portion and a pair of engagement plate portions that extend upward from both side edges of the contact plate portion. The roofing structure according to claim 1, wherein the pair of upper receiving portions are formed by bending the end portions of the pair of engaging plate portions outward.

Images