JP7253793B2 - Roof hardware and its mounting method - Google Patents

Description

Application of Article 30, Paragraph 2 of the Patent Law (1) Publication date: October 10, 2018 (2) Publication location: East Japan Railway Company Kannai Station (1-chome, Minato-cho, Naka-ku, Yokohama-shi, Kanagawa) (3) Publication Author Ohno Sheet Metal Co., Ltd. (4) Contents of Disclosure Ohno Sheet Metal Co., Ltd. disclosed the roof hardware and its mounting method invented by Tokio Ohno.

TECHNICAL FIELD The present invention relates to a roof hardware used for attaching a roofing material to a frame and a method for attaching the same.

Conventionally, there has been known an exterior mounting member for mounting a folded plate roof on a roof using C-shaped channels as beam members. This mounting member for the exterior material includes a leg portion for supporting the folded plate roof, a main body provided at the lower end of the leg portion for allowing the landing portion to land on the beam member, and one end edge overlapping the landing portion. extends outside the beam, and a lower fixture holds the beam from below and extends one end edge outside the beam. The other ends of the upper and lower fixtures are bent over and hooked to the openings or corners of the C-channel. Then, by tightening each one end edge of the upper fixing device and the lower fixing device with bolts, the landing portion is pressed against the beam, and the mounting member for exterior material is thereby attached to the beam (Patent Document 1 reference).

JP 2010-90672 A

When a folded-plate roof is used for a building erected in a windy area or for a building without walls, the roof hardware is required to withstand a relatively large wind load. However, as described above, the configuration in which the other ends of the upper and lower fixtures are bent and hooked to the openings or corners of the C-shaped channel may not sufficiently withstand wind loads.

SUMMARY OF THE INVENTION The present invention has been made in view of these problems, and an object of the present invention is to provide a roof hardware that can be reliably fixed to beams while ensuring strength, and a method for attaching the same.

A roof hardware according to a first aspect of the present invention includes a first fixing member provided above a first beam and a plurality of second fixing members provided below and laterally of the beam, A second fixing member is fixed to the first fixing member while covering the lower side and sides of the beam.

Preferably, the roof hardware further comprises a plurality of roofing material supports projecting upwardly from the first fixing member, at least one of the roofing material supports being mounted above the second fixing member.

The roof hardware further comprises a plurality of roofing material supports protruding upwardly from the first fixing member, at least one of the roofing material supports extending longitudinally from the first fixing member to the second fixing member. may be installed in different positions.

The first fixing member includes a plate portion provided on the top surface of the beam member, and a bent portion protruding downward from the edge of the plate portion along the longitudinal direction of the first fixing member in the plate portion. may

The second fixing member is formed by bending a rectangular plate-shaped member along the shape of the beam material, and both ends of the second fixing member are formed so as to be in close contact with the bottom surface of the first fixing member. may

When the beam is viewed from above, portions of the first fixing member that protrude on both lateral sides of the beam constitute first and second protrusions, and the second fixing member is a rectangular plate. The second fixing member may be formed by bending a shaped member along the shape of the beam material, and both ends of the second fixing member may be formed so as to be in close contact with the first protrusion and the second protrusion.

When the beam is viewed from above, portions of the first fixing member that protrude on both sides of the beam constitute first and second protrusions. A through hole is formed in each of the first protrusion and the second protrusion, and the first fastening member is inserted into the through hole of one end of the second fixing member and the through hole of the first protrusion. Thus, one end of the second fixing member and the first protrusion are fixed, and the second fastening member is inserted into the through hole of the other end of the second fixing member and the through hole of the second protrusion. It may be inserted to fix the other end of the second fixing member and the second protrusion.

A method according to a second invention of the present application is a method of attaching the roof hardware to a beam member, the method comprising the steps of placing a first fixing member on the top surface of the beam member; and fixing the first fixing member and the second fixing member.

ADVANTAGE OF THE INVENTION According to this invention, the roof hardware which can be reliably fixed to a beam material, and its attachment method while ensuring intensity|strength are obtained.

1 is a longitudinal sectional view of a roof structure provided with roof hardware according to a first embodiment of the invention; FIG. It is a front view of roof hardware. FIG. 2 is a right side view of the roof hardware taken along line II-II of FIG. 1; It is a top view of a roof hardware. It is a right view of the roof hardware by 2nd Embodiment.

A first roof hardware 100 according to a first embodiment of the present invention will be described below with reference to FIGS. FIG. 1 shows a first roof hardware 100 attached to a roof structure 10 . Hereinafter, in FIGS. 1 to 4, the Z-axis direction will be referred to as height.

The roof structure 10 mainly comprises a C-shaped channel 11 , a folded plate roof 12 and a first roof hardware 100 . The C-shaped channel 11 is a shaped steel having a C-shaped cross section perpendicular to its longitudinal direction, and is supported at a predetermined height from the ground or a floor slab by columns (not shown), and functions as a beam member.

The folded plate roof 12 mainly includes a seam type folded plate 13 and a hanger 14. - 特許庁The seam-type folded plate 13 is formed by bending a plate-like member made of galvalume steel plate into a wave shape, and includes peaks 13a and valleys 13b. The hanger 14 is formed by bending both ends of a plate member made of galvalume steel plate in opposite directions, and has a through hole in one of the bent portions.

The first roof hardware 100 includes a first upper fixing member (first fixing member) 110, a first lower fixing member (second fixing member) 140, and a first folded plate support portion (roof Material support portion) 170 is mainly provided.

The first upper fixing member 110 is formed by bending two parallel long edges of a thick rectangular flat plate (rectangular plate member) downward at right angles. The length of the first upper fixing member 110 in the longitudinal direction is sufficient to extend over the plurality of ridges 13 a of the folded-plate roof 12 . The bent portions are called a first bent portion 111 and a second bent portion 112 , and the portion sandwiched between the first bent portion 111 and the second bent portion 112 is called a first bottom portion 113 . Referring to FIG. 3, the lengths of the first bent portion 111 and the second bent portion 112 in the Z-axis direction are equal. The end of the first bottom portion 113 in the Y-axis direction, that is, the portion located in the positive direction of the Y-axis from the C-shaped channel 11 in FIG. form the second protrusion 118 . The first protruding portion 117 and the second protruding portion 118 are each provided with bolt holes (through holes) 114 and 115 penetrating in the thickness direction, ie, the Z-axis direction. The first bent portion 111 and/or the second bent portion 112 improve the resistance of the first upper fixing member 110 in the Z-axis direction.

The first lower fixing member 140 is formed by bending two mutually parallel short edges of a rectangular flat plate having a thickness once at a right angle in the same direction and once at a right angle in the opposite direction. It has a shape that That is, the first lower fixing member 140 is formed by bending along the shape of the C-shaped channel 11 . The bent portions are referred to as a first end portion 141 and a second end portion 142, and the portions adjacent to the first end portion 141 and the second end portion 142 are referred to as a first side portion 143 and a second end portion 143, respectively. A portion sandwiched between the first side portion 143 and the second side portion 144 is referred to as a second bottom portion 145 . The lengths of the first end portion 141 and the second end portion 142 in the Y-axis direction are equal. The lengths of the first side 143 and the second side 144 in the Z-axis direction are equal and equal to or slightly longer than the length of the C-shaped channel 11 in the Z-axis direction. Also, the distance between the first end 141 and the second end 142 in the Y-axis direction is equal to or slightly longer than the length of the C-shaped channel 11 in the Y-axis direction. Also, the length from the tip of the first end portion 141 to the tip of the second end portion 142 in the Y-axis direction is less than the distance from the first bent portion 111 to the second bent portion 112. . The first end portion 141 and the second end portion 142 are provided with bolt holes (through holes) 147 and 148 penetrating in the thickness direction, that is, the Z-axis direction. The bolt holes 147,148 have the same diameter as the bolt holes 114,115. Referring to FIG. 1 , three first lower fixing members 140 are provided at regular intervals along the longitudinal direction of the first upper fixing member 110 .

Referring to FIG. 2, the first folded plate support portion 170 consists of two plates 171 and 181 having different lengths in the Z-axis direction. The plate 171 has a base portion 172 extending in the Z-axis direction and end portions 173 and 174 projecting in the positive direction of the X-axis from both ends of the base portion 172, thereby forming a U-shaped cross section. The Z-axis length of the base 172 is longer than the X-axis length of the ends 173 and 174 (see FIG. 2). The plate 181 has a base portion 182 extending in the Z-axis direction and end portions 183 and 184 projecting from both ends of the base portion 182 in the negative direction of the X-axis, thereby forming a U-shaped cross section (see FIG. 2). The length of the base 182 in the Z-axis direction is longer than the length of the ends 183 and 184 in the X-axis direction, and is longer than the length of the base 172 in the Z-axis direction. The plate 171 and the plate 181 are joined by two pins (not shown) with the bases 172 and 182 in close contact with each other so that the ends 173, 174 and the ends 183, 184 protrude in opposite directions. A first folded plate support 170 is formed. The end portion 173 has a hole extending through its thickness. A bolt 176a is inserted into this hole from the base portion 172 side, and the head of the bolt 176a is welded to the end portion 173 and fixed. Edges parallel to the Y-axis direction at the ends 174 and 184 are welded to the top surface of the first bottom 113 , thereby fixing the first folded plate support 170 to the first upper fixing member 110 . be done. In this manner, the three first folded plate support portions 170 are provided at appropriate positions on the first upper fixing member 110 so as to match the positions of the peaks 13a of the folded plate roof 12. As shown in FIG.

Next, a procedure for attaching the folded plate roof 12 to the C-shaped channel 11 using the first roof hardware 100 will be described.

First, the procedure for attaching the first roof hardware 100 to the C-shaped channel 11 will be described. The first upper fixing member 110 is placed on the top surface 11 a of the C-shaped channel 11 so that the longitudinal direction of the first upper fixing member 110 is aligned with the longitudinal direction of the C-shaped channel 11 . A top surface 11a of the C-shaped channel 11 is the uppermost surface with respect to the Z-axis direction. At this time, the top surface 11a of the C-shaped channel 11 and the first bottom portion 113 of the first upper fixing member 110 come into contact with each other. Referring to FIG. 3, the first protrusion 117 and the second protrusion 118 protrude from the C-shaped channel 11 by the same length in the Y-axis direction. That is, the first projecting portion 117 and the second projecting portion 118 respectively project to both lateral sides of the C-shaped channel 11 when the C-shaped channel 11 is viewed from above, that is, from the Z-axis positive direction toward the negative direction. do. In this state, the first bent portion 111 and the second bent portion 112 extend parallel to the longitudinal direction of the first upper fixing member 110 and the C-shaped channel 11 . As a result, the first bent portion 111 and the second bent portion 112 do not come into contact with the C-shaped channel 11, and the bending strength of the first upper fixing member 110 can be increased.

Next, the first lower fixing member 140 is installed so as to cover the bottom surface 11d and both side surfaces 11b and 11c of the C-shaped channel 11 from the bottom surface 11d of the C-shaped channel 11, that is, the bottom surface in the Z-axis direction. be. As mentioned above, the length of the first side 143 and the second side 144 in the Z-axis direction is equal to or slightly longer than the length of the C-shaped channel 11 in the Z-axis direction and is equal to or slightly longer than the length of the C-shaped channel 11 in the Y-axis direction, so that the first side 143 of the C-shaped channel 11 , the second bottom portion 145 is in close contact with the bottom surface 11d of the C-shaped channel 11, and the second side portion 144 is in close contact with the side surface 11c of the C-shaped channel 11. As shown in FIG. As a result, the C-shaped channel 11 is housed on the inner peripheral side of the first lower fixing member 140 and held by the first lower fixing member 140 .

One surface of the first end 141 is in close contact with the first projection 117, one surface of the second end 142 is in close contact with the second projection 118, the bolt hole 147 overlaps the bolt hole 114, and the bolt hole 148 coaxially overlaps the bolt hole 115 . Then, a bolt 151a is inserted from the bolt hole 147 into the bolt hole 114, and a double nut 151b is screwed into the bolt 151a protruding from the bolt hole 114 for fastening. Also, a bolt 152a is inserted from the bolt hole 148 into the bolt hole 115, and a double nut 152b is screwed into the bolt 152a protruding from the bolt hole 115 for fastening. Thereby, the first lower fixing member 140 is fixed to the first protrusion 117 and the second protrusion 118 while covering the lower side and side of the C-shaped channel 11, and the first roof hardware 100 is fixed to the C-shaped channel 11. It is fixed to the mold channel 11 .

Next, a procedure for attaching the folded plate roof 12 to the first roof hardware 100 will be described. First, the hanger 14 is placed on the top surface of the end portion 173 so that the bolt 176 a penetrates the through hole of the hanger 14 . Then, a nut and a washer 176b are screwed into the bolt 176a protruding from the through hole to fasten. Thereby, the hanger 14 is fixed to the first roof hardware 100 . Then, the seam-type folded plate 13 is attached so as to cover the hanger 14 from above, and the seam-type folded plate 13 is pressed against the hanger 14 with a predetermined pressure. As a result, the seam-type folded plate 13 is fitted with the hanger 14 and the folded plate roof 12 is attached to the first roof hardware 100 . In this state, since the first bent portion 111 and the second bent portion 112 protrude downward, they do not come into contact with the valley portion 13 b of the seam type bent plate 13 . That is, the first bent portion 111 and the second bent portion 112 can increase the bending strength of the first upper fixing member 110 without contacting the valley portion 13b of the seam type bent plate 13 .

In general, folded-plate roofs used for buildings erected in windy areas or buildings without walls are subjected to a force that separates the folded-plate roof from beam members. Therefore, roof hardware used in such buildings is required to withstand a large load. The first roof hardware 100 according to the present embodiment is provided with a plurality of first lower fixing members 140 on a first upper fixing member 110 attached to the C-shaped channel 11 across a plurality of peaks 13a. . Therefore, the contact area between the C-shaped channel 11 and the first upper fixing member 110 is larger than that of the upper fixing member attached to the C-channel 11 across only one peak 13a. can withstand greater loads. In addition, since the first bent portion 111 and the second bent portion 112 protrude downward from the first bottom portion 113, the first upper fixing member 110 can resist the moment force around the Y axis. , which makes it difficult to bend around the Y-axis.

The beam material to which the first roof hardware 100 is attached is not limited to the C-shaped channel 11, and may be an angle material or other steel material that can be used as a beam material. In this case, the shape of the first lower fixing member 140 can be appropriately changed according to the shape of the beam. Further, the folded plate attached to the first roof hardware 100 is not limited to the seam type folded plate 13, and may be a fitting type folded plate, a stacking type folded plate, or other folded plate type roof. In this case, the shape of the first folded plate support portion 170 can be changed as appropriate according to the attachment means of the folded plate.

Also, the first upper fixing member 110 and the first folded plate support portion 170 may be connected by means other than welding, such as an adhesive, bolts and nuts. The bolt 176a may not be welded to the first folded plate support portion 170. As shown in FIG.

Next, a second roof hardware 200 according to the second embodiment will be described with reference to FIG. Configurations similar to those of the first embodiment are denoted by the same reference numerals, and descriptions thereof are omitted. Hereinafter, in FIG. 5, the Z-axis direction will be referred to as height.

The second roof hardware 200 mainly includes a first upper fixing member 110 , a second lower fixing member 240 and a first folded plate support portion 170 . Since the shapes of the first upper fixing member 110 and the first folded plate support portion 170 are the same as those of the first embodiment, description thereof will be omitted.

The second lower fixing member 240 consists of a rectangular plate having a thickness and is bent at a 45 degree angle at a predetermined position on this plate so that the two short edges parallel to each other are coplanar. are formed by bending each The tip portions of the folded edges are referred to as a 21st end portion 241 and a 22nd end portion 242 , and the portions adjacent to the 21st end portion 241 and the 22nd end portion 242 are referred to as a 21st side portion 243 . and a twenty-second side 244 . The 21st end 241 and the 22nd end 242 have the same length in the Y-axis direction, and the 21st side 243 and the 22nd side 244 have the same length in the Z-axis direction. In addition, the distance between the 21st end 241 and the 22nd end 242 in the Y-axis direction is equal to or slightly smaller than the length of the angle member 21 in the Y-axis direction, that is, the length of one side of the angle member 21. to long. The 21st end portion 241 and the 22nd end portion 242 are provided with bolt holes 247 and 248 penetrating in the thickness direction, that is, the Z-axis direction. The bolt holes 247,248 have the same diameter as the bolt holes 114,115. Three second lower fixing members 240 are equally spaced along the length of the first upper fixing member 110 .

Next, a procedure for attaching the folded plate roof 22 to the angle member 21 using the second roof hardware 200 will be described.

First, the procedure for attaching the second roof hardware 200 to the angle member 21 will be described. The first upper fixing member 110 is placed on the top surface 21a of the angle member 21, that is, the uppermost surface with respect to the Z-axis direction. Referring to FIG. 4, at this time, the first projecting portion 117 and the second projecting portion 118 project from the angle member 21 by the same length in the Y-axis direction. Next, the second lower fixing member 240 is installed so as to cover the side surface 21b from the tip of the side surface 21b of the angle member 21, that is, from the bottom in the Z-axis direction. At this time, one surface of the 21st end 241 is in close contact with the first projection 117 , one surface of the 22nd end 242 is in close contact with the second projection 118 , and the bolt hole 247 overlaps with the bolt hole 114 . , the bolt holes 248 overlap the bolt holes 115 . Then, the bolt 151a is inserted from the bolt hole 247 into the bolt hole 114, and the double nut 151b is screwed into the bolt 151a protruding from the bolt hole 114 to fasten. Also, a bolt 152a is inserted from the bolt hole 248 into the bolt hole 115, and a double nut 152b is screwed into the bolt 152a protruding from the bolt hole 115 for fastening. As a result, the angle member 21 is housed on the inner peripheral side of the second lower fixing member 240 and is held by the second lower fixing member 240, so that the second roof hardware 200 is fixed to the angle member 21. . The procedure for attaching the folded-plate roof 12 to the second roof hardware 200 is the same as in the first embodiment, so the description is omitted.

As in the first embodiment, when the second roof hardware 200 according to the present embodiment is attached to the angle member 21, the first upper fixing member 210 and the second lower fixing member 240 are The angle material 21 is held over the entire circumference. Therefore, even if a force is applied to separate the folded-plate roof 22 from the angle member 21, the 21st end 241 and the first projecting portion 117 are in close contact, and are tightly fixed by the bolt 151a and the double nut 151b. and the 22nd end portion 242 and the second projecting portion 118 are in close contact with each other, and are fixed in close contact with the bolt 152a and the double nut 152b, so that the first upper fixing member 110 and the second It becomes difficult to separate from the lower fixing member 240 and can withstand a large force.

Also, the first upper fixing member 110 and the second folded plate support portion 270 may be connected by means other than welding, such as an adhesive, bolts and nuts.

In any embodiment, the number of the first and second lower fixing members 140, 240 is not limited to three, and the position and number are determined according to the required load capacity. Also, the first folded plate support portion 170 may not be provided above the first and second lower fixing members 140 and 240 in the Z-axis direction or above the gravity direction. The positional relationship between the first folded plate support portion 170 and the first and second lower fixing members 140, 240 with respect to the longitudinal direction of the first upper fixing member 110 is determined according to the required load capacity.

In any embodiment, the beam material to which the first and second roof hardware 100, 200 are attached may be a C-channel, an angle material, or a steel material that can be used as another beam material. A first lower securing member 140 may be used as the lower securing member, for example, if the roof hardware is attached to a C-channel, and a second lower securing member 140 may be used as the lower securing member, for example, if the roof hardware is attached to an angle member. A securing member 240 may be used.

Also, the folded plate attached to the roof hardware may be a fitting-type folded plate, a seam-type folded plate, a stacking-type folded plate, or any other folded-plate type roof. For example, when the roof hardware is attached to the C-shaped channel, the first folded plate support part 170 may be used as the folded plate support part, and for example, when the roof hardware is attached to the seam type folded plate, the second folded plate support part The folded plate support portion 270 may be used, and, for example, when the roof hardware is attached to the overlapping folded plate, the third folded plate support portion 370 may be used as the folded plate support portion.

Instead of the first lower fixing member 140 and the second lower fixing member 240, a member formed by bending a round bar or square bar may be used as the lower fixing member. In this case, male threads are cut at both ends of the round bar or square bar, which are passed through the bolt holes of the upper fixing member and fixed to the upper fixing member using nuts.

The size of each member shown in this specification and drawings is an example, and the size is not limited to these sizes. In addition, the materials of each member are examples and are not limited to these materials. Although embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art will appreciate that changes may be made in the structure and relationship of parts without departing from the scope and spirit of the invention as described. is self-evident for

10 Roof structure 11 C-shaped channel 12 Folded plate roof 13 Seam type folded plate 14 Suspension member 100 First roof hardware 110 First upper fixing member 111 First bent portion 112 Second bent portion 113 First Bottom 117 First Projection 118 Second Projection 114 Bolt Hole 115 Bolt Hole 140 First Lower Fixing Member 141 First End 142 Second End 143 First Side 144 Second Side Section 145 Second Bottom Section 147 Bolt Hole 148 Bolt Hole

Claims (8)

a first fixing member provided above the beam;
A plurality of second fixing members provided below and on the side of the beam,
A plurality of the second fixing members are fixed to the first fixing member while covering the lower side and side of the beam,
When the beam is viewed from above, portions of the first fixing member that project to both lateral sides of the beam constitute first and second projections,
The tip of the first protrusion is provided with a first bent portion that protrudes downward and extends along the side of the beam member, and the tip of the second protrusion is downwardly bent. A second bent portion is provided that protrudes toward and extends along the side of the beam,
The second fixing member is formed by bending a rectangular plate member along the shape of the beam member, and both ends of the second fixing member are formed by the first protrusion and the second protrusion. Each is formed so as to be in close contact with the part,
The lengths of both ends of the second fixing member in the direction in which the first protrusion and the second protrusion protrude are equal, and the distance between the tips of the both ends of the second fixing member is A roof hardware that is less than the distance from the first bent portion to the second bent portion. further comprising a plurality of roof material support portions protruding upward from the first fixing member;
2. The roof hardware of claim 1, wherein at least one of said roof material supports is mounted above said second fixing member. further comprising a plurality of roof material support portions protruding upward from the first fixing member;
3. The roof hardware according to claim 1, wherein at least one of said roof material support portions is attached at a position different from said second fixing member in the longitudinal direction of said first fixing member. The first fixing member includes a plate portion provided on the top surface of the beam member, and the plate portion protruding downward from the edge of the plate portion along the longitudinal direction of the first fixing member . 4. The roof hardware according to any one of claims 1 to 3 , comprising a first bent portion and said second bent portion . The second fixing member is formed by bending a rectangular plate-like member along the shape of the beam member, and both ends of the second fixing member are arranged so as to be in close contact with the bottom surface of the first fixing member. The roof hardware according to any one of claims 1 to 4, wherein the bottom surface of said first fixing member is said first projection and said second projection. The roof hardware according to any one of claims 1 to 5, wherein the plurality of second fixing members are arranged along the longitudinal direction of the first fixing member. Through holes are formed in both ends of the second fixing member, the first protrusion, and the second protrusion. A first fastening member is inserted into the through hole of the protruding portion to fix one end of the second fixing member and the first protruding portion, and the other end of the second fixing member penetrates. 7. A second fastening member is inserted into the hole and the through hole of the second protrusion to fix the other end of the second fixing member and the second protrusion. Roof hardware according to any one of A method for attaching the roof hardware according to any one of claims 1 to 7 to a beam material,
The method includes
placing the first securing member on the top surface of the beam;
a step of causing the second fixing member to hold the beam member from below the beam member;
securing said first securing member and said second securing member.

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