JP2014145183A - Tight frame and roof structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tight frame which can easily obtain a space for installing a heat insulation material between a beam and a folded plate.SOLUTION: In a tight frame 11 in which a plurality of folded plate support frames 12 of substantially-trapezoidal shapes are connected to one another, and the lower ends of the adjacent folded plate support frames 12 are connected to each other by beam fixing frames 13, a recess 20 in which a heat insulation material support member for supporting a heat insulation material laid between a folded plate and a beam 21 can be arranged is formed at each beam fixing frame 13.

Description

  The present invention relates to a tight frame fixed to a beam (including a purlin) as a base material for mounting when a roof deck or a folded plate is spread on a roof, and to a roof structure using the tight frame. is there.

  In general, in a roof structure in which a folded plate is spread on the roof, a mountain-shaped tight frame is fixed to the beam, and the folded plate is attached to the tight frame. The tight frame consists of a metal plate with a crest and a trough continuous. The trough is fixed to the beam by welding or bolts, and the folded plate placed on the crest is bolted to the top of the crest (patent) Reference 1).

  In this way, the roof structure in which the folded plate is attached to the tight frame allows the construction of the roof itself to be simple and requires a shorter construction period. There is a problem of being transmitted to. As a means for solving such a problem, for example, a method of wrapping the entire beam with a heat insulating material, a folded plate with a double structure, and sandwiching the heat insulating material between them can be considered. There are problems such as cumbersome work and cost.

  As means for solving such a problem, a roof structure in which a heat insulating material is laid in a gap between a beam to which a tight frame is fixed and a folded plate is known (see Patent Documents 2 and 3). In the roof structure disclosed in Patent Document 2, a support material is installed between base materials juxtaposed at intervals, a wire mesh is laid on the support material, and a heat insulating material is laid on the wire mesh. The folded plate is attached to a tight frame fixed to the base material so as to cover the upper surface of the material. Further, in the roof structure disclosed in Patent Document 3, a deck board is disposed instead of the wire mesh, and a heat insulating material is filled in a gap sandwiched between the deck board and the folded board.

Japanese Utility Model Publication No. 6-67649 JP 2000-204721 A Utility Model Registration No. 3172849

  However, in the roof structure disclosed in Patent Document 2, when the folded plate is attached to the tight frame, the height of the tight frame is set to the heat insulating material so that the folded plate does not interfere with the heat insulating material. Therefore, there is a problem that the shape of the tight frame and the shape of the folded plate must be changed accordingly.

  Further, in the roof structure disclosed in Patent Document 3, the tight frame is not formed in a mountain shape that supports the shape of the folded plate but in a single thin plate shape. Even if the thickness is increased by the thickness of the heat insulating material, it is not necessary to change the shape of the folded plate, but if the height of the tight frame is extended, the support strength of the folded plate will be lower than that of the mountain-shaped tight frame. There was a problem.

  Therefore, an object of the present invention is to provide a tight frame capable of easily obtaining a space for laying a heat insulating material between a beam and a folded plate, and also using the tight frame to simplify the heat insulating material. It is to provide a roof structure that can be laid.

  In order to solve the above problems, the tight frame of the present invention is a tight frame in which a plurality of folded plate support frames having a substantially trapezoidal cross section are connected, and the lower ends of adjacent folded plate support frames are connected by a beam fixing frame. The beam fixing frame is provided with a recess in which a heat insulating material supporting member for supporting a heat insulating material laid between the folded plate and the beam can be arranged.

  In the roof structure of the present invention, a heat insulating material support member for supporting the heat insulating material is disposed in the concave portion provided in the beam fixing frame, and the folded plate is attached when the folded plate is attached to the folded plate supporting frame. The lower part is arranged above the concave part.

  According to the tight frame of the present invention, it is constituted by the folded plate support frame and the beam fixing frame, and the concave portion in which the heat insulating material supporting member can be arranged is provided in the beam fixed frame. A space for arranging the heat insulating material can be effectively secured, and the heat insulating material can be easily laid.

  According to the roof structure of the present invention, since the lower part of the folded plate is placed on the concave portion of the beam fixing frame, it is possible to contact the heat insulating material arranged via the heat insulating material supporting member provided in the concave portion. The folded plate can be attached to the folded plate support frame.

It is a perspective view of the tight frame concerning the present invention. It is sectional drawing which shows the attachment order of the heat insulating material with respect to the said tight frame fixed to the beam, and a folded plate. It is a principal part perspective view of the roof structure comprised using the said tight frame. It is sectional drawing of the said roof structure. It is a perspective view which shows the 1st heat insulating material support member used for the said roof structure. It is a perspective view which shows the state which laid the heat insulating material on the said 1st heat insulating material support member. In the said roof structure, it is a perspective view which shows the state which attaches a folded plate to a tight frame. It is a perspective view of the roof structure comprised using the 2nd heat insulating material support member. It is a perspective view which shows the example of construction of the said 2nd heat insulating material support member. It is sectional drawing of the roof structure using the said 2nd heat insulating material support member.

  1 and 2 show an embodiment of a tight frame according to the present invention. Here, FIG. 1 is a perspective view when the tight frame 11 is arranged on the beam 21, and FIG. 2 is an exploded sectional view of the roof structure including the tight frame 11, the heat insulating material 32, and the folded plate 22. .

  The tight frame 11 is formed by bending a single band-shaped metal plate, and includes a plurality of folded plate support frames 12 that support a metal folded plate 22 that constitutes a roof, and left and right folded plate supports. The frame 12 includes a plurality of beam fixing frames 13 which are connected to a beam (including a purlin) 21 by connecting the lower ends of the frames 12. Here, as an example, a basic configuration is shown in which three folded plate support frames 12 having a substantially trapezoidal cross section and two beam fixing frames 13 connecting the folded plate support frames 12 are integrally formed. By arranging a plurality of tight frames 11 having this basic configuration on the upper surface of the beam 21, the folded plate 22 as a roofing material can be supported. Note that the number of the folded plate support frames 12 and the beam fixing frames 13 as the constituent units is arbitrary, and it is sufficient that there is at least two folded plate support frames 12 and one beam fixing frame 13 connecting between them.

  The folded plate support frame 12 is formed in a substantially trapezoidal shape by a horizontal plate-like top portion 14 and a pair of inclined portions 15 that are inclined downwardly from both ends of the top portion 14 into an eight-letter shape. The top portion 14 is provided with a bolt hole 18 for fixing the top portion 22 a of the folded plate 22 with a bolt 24. The pair of inclined portions 15 correspond to the lengths and inclination angles of the inclined surfaces 22b and 22c of the folded plate 22, and the inclined surfaces 22b and 22c are covered along the inclined portion 15 when the folded plate 22 is attached. It is done. Each inclined portion 15 is provided with a rib 15a along the longitudinal direction thereof to prevent deformation of the folded plate support frame 12 and increase the support strength. In this embodiment, the rib 15 a is provided over the entire length of the inclined portion 15, but it may be a case where a rib is provided on a part of the inclined portion 15. In addition, the length and the inclination angle of the inclined portion 15 of the folded plate support frame 12 can be changed according to the type of the folded plate 22 that is used as the roofing material.

  The beam fixing frame 13 connecting the lower ends of the left and right folded plate support frames 12 has a function of securing the folded plate support frame 12 at a predetermined height position from the upper surface 21 a of the beam 21. The beam fixing frame 13 is formed integrally with the folded plate support frame 12, and a pair of vertical walls 17 that are bent vertically from the lower end of the folded plate support frame 12, and is bent horizontally from the lower ends of the pair of vertical walls 17, and the beam 21. A recess 20 having a predetermined depth h is formed by the bottom wall 16 fixed to the upper surface 21a. The bottom wall 16 is provided with a bolt hole 19 for fixing to the beam 21. In addition, when the beam 21 is comprised with steel materials like this embodiment, the bottom wall 16 can be fixed by welding. The pair of vertical walls 17 extend integrally so as to be connected to the lower ends of the inclined portions 15 of the adjacent folded plate support frames 12 and support the lower ends of the folded plate support frames 12. In addition, the connecting piece 23 of the shape which divided the said recessed part 20 in half is provided in the both ends of the tight frame 11, and the recessed part similar to the above is formed integrally with the connecting piece of an adjacent tight frame.

  As shown in FIG. 2, when the tight frame 11 is fixed to the upper surface 21 a of the beam 21, a gap 25 corresponding to the depth dimension h of the recess 20 is ensured between the beam 21 and the folded plate support frame 12. The heat insulating material 32 can be laid in accordance with the gap 25. That is, the folded plate 22 is attached to the folded plate support frame 12 of the tight frame 11 at a height position corresponding to the depth dimension h of the recess 20 from the upper surface 21a of the beam 21. 32 does not interfere. Further, by adjusting the width dimension w and the depth dimension h of the recess 20, the height position and the arrangement interval of the folded plate support frame 12 can be adjusted while keeping the shape and size of the folded plate support frame 12 constant. Can be set. For this reason, the space | gap 25 for arrange | positioning a heat insulating material, a soundproofing material, etc. between the folded plate 22 and the beam 21 can be arbitrarily set, without affecting the part which supports the folded plate 22 directly. In addition, as for the depth dimension h of the recessed part 20, as an example, it is desirable to ensure 50 mm or more so that it can respond to the general thickness of this kind of heat insulating material.

  Furthermore, a heat insulating material support member such as a rod-shaped hard material or wire can be disposed in the concave portion 20 of the beam fixing frame 13, and a heat insulating material, a soundproof material or the like is easily laid on the heat insulating material support member. be able to.

  3 to 7 show the roof structure 30 using the tight frame 11 having the above-described configuration. The roof structure 30 includes a tight frame 11 fixed to the upper surfaces 21a of a plurality of beams 21 assembled in parallel with an upper portion of a building frame (not shown), and a recess 20 of the beam fixing frame 13 of each tight frame 11. A first heat insulating material support member 31 formed between the adjacent beams 21 by assembling the linear members 34 and 35 arranged in a grid in a lattice shape, and laid on the heat insulating material support member 31. A heat insulating material 32 and a folded plate 33 disposed above the concave portion 20.

  As shown in FIG. 5, the heat insulating material support member 31 is formed in a net shape by assembling linear materials such as reinforcing bars and wires stretched between adjacent beams 21 in a lattice shape. Specifically, a first linear member 34 disposed in the recess 20 of each beam fixing frame 13 of the tight frame 11 fixed to the upper surface 21a of each beam 21 and stretched between the adjacent beams 21; The net as the heat insulating material support member 31 is formed between adjacent beams by assembling the second linear material 35 stretched in a direction orthogonal to the first linear material 34 in a lattice shape. It is formed.

  On the heat insulating material support member 31, for example, as shown in FIG. 6, a plurality of heat insulating materials 32 formed in a block shape are spread without gaps. The heat insulating material 32 is formed, for example, by packing glass wool into a bag-shaped aluminum sheet so as to have a predetermined thickness, and the thickness substantially corresponds to the depth dimension h of the concave portion 20 of the beam fixing frame 13. In one example, it is 50 mm.

  In the roof structure 30 of this embodiment, as shown in FIGS. 3 and 4, the heat insulating material 31 has a thickness that substantially corresponds to the depth dimension h of the recess 20 provided in the beam fixing frame 13 of the tight frame 11. So that it is laid. Thus, when the folded plate 33 is fixed to the folded plate support frame 12, the trough (lower portion) 37 of the folded plate 33 is disposed on the upper portion of the recess 20 corresponding to the thickness of the heat insulating material 32. Further, as shown in FIG. 6, the depth of the recess 20 is between the heat insulating material support member 31 spanned between the beam fixing frames 13 and the folded plate 22 attached to the folded plate supporting frame 12. A gap 25 having a height corresponding to the height is provided. For this reason, the heat insulation piece 32 can be laid in the space 25.

  The folded plate 33 is placed along the respective inclined portions 15 from the top portion 14 of the folded plate support frame 12, and by the bolts 24 protruding from the bolt holes 18 provided in the top portion 14 of the folded plate support frame 12. Fixed.

  Next, based on FIG. 5 thru | or FIG. 7, the construction method of the roof using the tight frame 11 of this invention is demonstrated. As for the tight frame 11 to be used, the folded plate support frame 12 is set according to the length and the inclination angle of the upper portion 36 and the lower portion 37 of the folded plate 33 to be installed, and the folding structure which becomes a basic configuration according to the size of the roofing material to be laid. The number of plate support frames 12 is determined. The beam fixing frame 13 has a width of the bottom wall 16 that forms the recess 20 according to the thickness of the first linear member 34 made of a reinforcing bar, a wire, or the like disposed in the recess 20, the thickness of the heat insulating material 32, and the like. The height of the vertical wall 17 is set.

  As shown in FIG. 5, a plurality of tight frames 11 formed according to the above specifications are arranged along the longitudinal direction of the beams 21 assembled on a building frame (not shown). The tight frame 11 is directly welded to the beam 21 on the bottom wall 16 of the beam fixing frame 13, or is fixed by a bolt or the like through a bolt hole 19 provided in the bottom wall.

  Next, the first linear material 34 is stretched between the tight frames 11 fixed to the beams 21. The first linear member 34 is fitted into the concave portion 20 of the beam fixing frame 13 from above and placed on the bottom wall 16 so as to be sandwiched between the pair of vertical walls 17. A lattice-like heat insulating material is supported by a plurality of first linear members 34 stretched between the opposing tight frames 11 and a plurality of second linear members 35 stretched in a direction orthogonal to the plurality of first linear members 34. A member (net) 31 is formed. Thereby, as shown in FIG. 2, a gap 25 for arranging the heat insulating material 32 is formed between the beam 21 and the folded plate 33.

  Next, as shown in FIG. 6, a block-shaped heat insulating material 32 is laid on the heat insulating material supporting member 31. Further, the end portion of the heat insulating material 32 is also placed on the upper surface 21a of the beam 21 on which the beam fixing frame 13 is placed, the upper surface 21a of the beam 21 is covered with the heat insulating material 32, and the concave portion of the beam fixing frame 13 is also provided. The heat insulating effect can be further enhanced by packing the heat insulating pieces 32a into the inside 20.

  After laying the heat insulating material 32 on the heat insulating material supporting member 31, as shown in FIG. 7, the folded plate 33 is placed so as to cover the tight frame 11, and the folded plate is placed on the top portion 14 of the folded plate supporting frame 12. 33 is bolted. As a result, as shown in FIG. 2, a folded plate roof in which the heat insulating material 32 is laid in the gap 25 between the beam 21 and the folded plate 33 is completed.

  In FIG. 8, a second heat insulating material support member 41 is spanned between the tight frames 11 arranged on the upper surface of the adjacent beams 21, and the heat insulating material is utilized using the second heat insulating material support member 4. A roof structure 40 in which 42 is laid is shown. As shown in FIG. 9, the heat insulating material support member 41 according to this embodiment has a cross section of a horizontal wall 44 extending between adjacent tight frames 11 and a partition wall 45 extending so as to bisect the width direction of the horizontal wall 44. It is formed in an inverted T shape. The width of the horizontal wall 44 is substantially the same as the width of the bottom wall 16 of the beam fixing frame 13, and the length is set according to the distance of the beams 21 facing each other. Further, as shown in FIG. 10, the partition wall 45 is erected from the horizontal wall 44 so as to partition the left and right heat insulating materials 42 placed on the horizontal wall 44, and the height of the partition wall 45 is a folded plate. When the folded plate 43 is placed on the support frame 12, the height is set so as not to contact the lower portion 43 a of the folded plate 43. The heat insulating material support member 41 is formed of a hard material such as a steel material or a steel frame, and is stretched straight between the beam fixing frames 13 facing each other as shown in FIG. Moreover, it arrange | positions in the recessed part 20 of the beam fixing frame 13 which opposes, and the horizontal wall 44 is fixed to the bottom wall 16 of the recessed part 20 by screwing (not shown) etc.

  By disposing the heat insulating material support member 41 in the recess 20 of each tight frame 11 disposed on the upper surface of the beam 21, a space 26 for disposing the heat insulating material 42 is formed between the pair of beams 21. That is, as shown in FIGS. 8 to 10, each heat insulating material support member 41 is disposed in parallel between the adjacent beams 21, so that the heat insulating material 42 is interposed between the pair of left and right heat insulating material support members 41. A space 26 having a constant width is formed, and a heat insulating material 42 is disposed in the space 26. The heat insulating material 42 is placed on each horizontal wall 44 of the pair of left and right heat insulating material support members 41, and is separated from the heat insulating material 42 arranged adjacent thereto by a partition wall 45 of the heat insulating material support member 41. A plurality of heat insulating materials 42 are arranged on all the heat insulating material supporting members 41 arranged in this way without creating a gap. Next, the folded plate 43 is placed so as to cover the tight frame 11, and the folded plate 43 is bolted to the top portion 14 of the folded plate support frame 12 to insulate the gap 25 between the beam 21 and the folded plate 43. The folded plate roof laid with the material 42 is completed (FIG. 10).

  Since the heat insulating material support member 41 is disposed between the opposing tight frames 11 just by dropping into the concave portion 20 of the beam fixing frame 13, a space 26 for laying the heat insulating material 42 can be easily provided. Further, since the heat insulating material 42 is supported by the horizontal wall 44 and the adjacent heat insulating materials 42 can be partitioned by the partition walls 45, the laying work of the heat insulating material 42 becomes extremely easy. Moreover, since the heat insulating material support member 41 is formed of a hard material, a plurality of heat insulating materials 42 can be spanned between a pair of opposed beams 21 in a stable state.

  In addition, as shown in FIG. 10, the entire roof can be formed without creating a gap between the heat insulating material 42 by packing the heat insulating pieces 42 a into the recess 20 in which one end of the heat insulating material supporting member 41 is supported. The heat insulation effect can be further enhanced.

  As described above, the tight frame of the present invention includes the folded plate support frame that supports the folded plate, and the beam fixing frame that holds the folded plate support frame with a predetermined height from above the beam. Therefore, it is possible to lay a heat insulating material having a thickness corresponding to the depth of the concave portion of the beam fixing frame.

  In the roof structure using the tight frame, a heat insulating material supporting member in which linear materials such as reinforcing bars and wires are combined in a lattice shape, or a heat insulating material supporting member having an inverted T-shaped cross section spanned between the opposing beams. By using this, a heat insulating material can be easily laid in the gap between the beam and the folded plate, and a roof structure having high heat insulating properties and soundproofing properties can be constructed at a low cost and with a short delivery time.

  In addition, it is also possible to lay a soundproof material on the heat insulating material support member instead of the heat insulating material or together with the heat insulating material. It is also possible to suspend a lighting fixture or to provide a suspended ceiling using a linear material stretched between the beams or a hard material having an inverted T-shaped cross section.

DESCRIPTION OF SYMBOLS 11 Tight frame 12 Folding plate support frame 13 Beam fixed frame 14 Top part 15 Inclination part 15a Rib 16 Bottom wall 17 Vertical wall 18 Bolt hole 19 Bolt hole 20 Recessed part 21 Beam 22 Folding plate 22a Top part 22b, 22c Inclined surface 23 Connection piece 24 Bolt 25 gap 26 space 30 roof structure 31 heat insulating material support member 32 heat insulating material 32a heat insulating piece 33 folded plate 34 first linear material 35 second linear material 36 upper portion 37 lower portion 40 roof structure 41 heat insulating material support member 42 heat insulating material 42a Heat insulation piece 43 Folded plate 43a Lower part 44 Horizontal wall 45 Bulkhead

Claims (8)

In a tight frame in which a plurality of folded plate support frames having a substantially trapezoidal cross section are connected and the lower ends of adjacent folded plate support frames are connected by a beam fixing frame,
A tight frame, wherein the beam fixing frame is provided with a recess in which a heat insulating material support member for supporting a heat insulating material laid between the folded plate and the beam can be arranged.   The tight frame according to claim 1, wherein the concave portion provided in the beam fixing frame has a depth substantially corresponding to a thickness of a heat insulating material laid between the folded plate and the beam.   The beam fixing frame is formed integrally with the folded plate support frame, and a recess is formed by a pair of vertical walls bent vertically from the lower end of the folded plate support frame and a bottom wall bent horizontally from the lower end of the vertical wall. Item 3. The tight frame according to Item 1 or 2. In the roof structure in which the folded plate is attached to the tight frame according to any one of claims 1 to 3 disposed on the upper surface of the beam,
A heat insulating material supporting member for supporting the heat insulating material is disposed in the concave portion provided in the beam fixing frame, and when the folded plate is attached to the folded plate supporting frame, the lower portion of the folded plate is placed on the upper portion of the concave portion. A roof structure characterized by being arranged.   The heat insulating material support member disposed in the concave portion of the beam fixing frame is spanned between another tight frame disposed on the upper surface of the adjacent beam, and the heat insulating material is placed on the heat insulating material support member that is spanned. The roof structure according to claim 4 to be placed.   A gap having a height corresponding to the depth of the recess provided in the tight frame is provided between the heat insulating material support member spanned between the other tight frames and the folded plate attached to the tight frame. The roof structure according to claim 4 or 5, wherein a heat insulating material is laid in the gap.   The heat insulating material support member is made of a hard material having a reverse T-shaped cross section including a horizontal wall on which the heat insulating material is placed and a partition wall that partitions the adjacent heat insulating material, and is spanned in a rod shape with another tight frame. The roof structure according to any one of claims 4 to 6.   The roof structure according to any one of claims 4 to 6, wherein the heat insulating material support member is formed of a net that is formed by assembling a linear material in a lattice shape and spans between other tight frames.

Images