JP5439084B2 - Fixing structure of bay window and its construction method - Google Patents

Description

  The present invention relates to a bay window fixing structure and a construction method thereof, and more particularly, to a bay window fixing structure provided on a side surface of a building unit constituting a unit type building and a construction method thereof.

  In a unit type building configured by arranging a plurality of building units, a bay window may be provided on the outer wall surface of a predetermined building unit (see, for example, Patent Document 1). This bay window is composed of a bay window body consisting of a window sash and an upper member fixed to the upper part. By attaching such a bay window from the outside of the building unit, the outer wall surface of the building unit and the upper member are continuous. The outer wall around the bay window can be easily processed.

Japanese Patent Laid-Open No. 11-62398

  By the way, the building unit is assembled at the factory and is transported to the site with the outer wall material and the like pre-fitted, but since it is subject to transport restrictions when transporting with a truck or the like, the outer wall surface of the building unit ( In particular, the bay window protruding on the side of the long side is fixed by retrofitting at the site. Therefore, the bay window is assembled separately from the building unit, transported separately from the building unit, and lifted by a crane or the like separately from the building unit at the site and attached to the building unit. Therefore, not only the transportation cost and transportation labor required for the conveyance of the bay window, but also the labor for lifting at the site is excessive, so the cost and construction labor are increased.

  The objective of this invention is providing the fixing structure of the bay window which can reduce a transportation cost and a transportation effort, and can also reduce the construction effort and construction cost in the field, and its construction method.

In order to achieve this object, the bay window fixing structure of the present invention has the following configuration.
That is, with reference to the drawings, it is a fixing structure of the bay window 5 provided on the side surface of the building unit 10 having the box-shaped skeleton 12, and the skeleton 12 includes a support portion 151 that supports the bay window 5. The bay window 5 includes at least a bay window frame 51 supported by the support portion 151 and a window sash 52 supported by the bay window frame 51, and the bay window frame 51 includes the bay window frame 51. A bracket 514 that can be fixed to the support 151 at at least two positions, that is, an immersion position where the bay window frame 51 is immersed in the indoor direction and a protruding position where the bay window frame protrudes in the outdoor direction and extends from the bay window frame 51 in the indoor direction. provided, the bay window frame 51, especially that it has a reinforcing frame 511 abuts against the outside side surface of the building unit 10 in the retracted position To.

  According to the present invention as described above, by temporarily fixing the bay window frame at the immersive position immersed in the indoor direction, the width dimension of the building unit to which the bay window frame is fixed is kept within a predetermined width dimension that is not subject to conveyance restrictions. Therefore, the bay window frame and the window sash can be transported in a state of being pre-equipped on the building unit at the factory, and the transportation cost and labor can be reduced. Furthermore, since the bay window frame and window sash are temporarily fixed to the building unit in advance, it is only necessary to release the temporary fixing at the site and then fix it at the protruding position. Since there is no need for installation, it is possible to reduce construction labor and construction costs on site.

At this time, in the bay window fixing structure of the present invention, the bay window 5 is configured to have outer wall members 53, 54, and 55 fixed to the bay window frame 51 along the outer edge of the window sash 52. Is preferred.
According to this configuration, the outer wall material (ALC plate or the like) is supported by the bay window frame fixed to the framework via the support portion, so that the outer wall material can be reliably supported at the predetermined mounting position, and the bay window The appearance can be improved.

Further, in the fixing structure of the bay window of the present invention, the supporting portion 151, pillars of the framework 12, and the upper and lower studs 15 which are bridged Harima framework 12, provided on at least one of, the bracket 514 It is preferable that bolt insertion holes 514A and 514B are provided in at least two locations separated in the indoor / outdoor direction, and the bracket 514 is fixed to the support portion 151 via bolts 152 inserted through these bolt insertion holes. .
According to this configuration, since the support portion and the bracket are fixed by the bolts, the temporary fixing of the bay window frame, the temporary fixing can be easily released, and the main fixing operation can be easily performed. can do.

On the other hand, the construction method of the bay window of the present invention is a construction method of the bay window 5 provided on the side surface of the building unit 10 having the box-shaped framework 12, and the framework 12 includes a support portion that supports the bay window 5. 151, and the bay window 5 includes at least a bay window frame 51 supported by the support portion 151 and a window sash 52 supported by the bay window frame 51. The bay window frame 51 includes: A bracket 514 that can be fixed to the support 151 at at least two positions of an immersion position where the bay window frame 51 is immersed in the indoor direction and a protruding position that protrudes in the outdoor direction and extends from the bay window frame 51 in the indoor direction. The bay window frame 51 has a reinforcing frame 511 that abuts against the outdoor side surface of the building unit 10 at the immersive position. In a state where the reinforcing frame 511 is in contact with the side surface of the outdoor side of the building unit 10, the bracket 514 is temporarily fixed to the support portion 151, after the field conveying the temporary fixed bay windows 5, releases the temporary fixing together, characterized in that the fixing of the bracket 514 to the support portion 151 in front Ki突 unloading position.
According to the present invention, similarly to the above-described fixing structure of the bay window, it is possible to reduce transportation costs and labor, and also reduce construction labor and construction costs on site.

Moreover, in the construction method of the bay window of this invention, it is preferable to attach the outer wall materials 53, 54, and 55 along the outer edge of the window sash 52 to the said fixed bay window frame 51.
According to this configuration, by attaching the outer wall material after fixing the bay window frame, the outer wall material can be prevented from being restricted in transportation, and the bay window frame before the outer wall material is attached can be moved from the immersion position to the protruding position. By fixing the main wall, the outer wall material is lightened as much as there is no weight, so that the main fixing operation can be easily performed, and workability can be improved.

It is a perspective view which shows the unit type building which concerns on embodiment of this invention. It is a longitudinal cross-sectional view of the bay window provided in the said unit type building. It is a perspective view which shows the bay window frame which comprises the said bay window. It is a cross-sectional view showing a state where the bay window frame is temporarily fixed. It is a cross-sectional view showing a state in which the bay window frame is permanently fixed. It is a longitudinal cross-sectional view which shows the bay window which concerns on the modification of this invention. It is a cross-sectional view which shows the bay window of the said modification.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the unit type building 1 of this embodiment is composed of a foundation 2 and a plurality of building units 10 placed on the foundation 2 and arranged side by side in the front, rear, left, and right, and provided in two upper and lower stages. A building body 3 and a roof 4 provided on the building body 3 are provided. As shown in FIG. 2, the building unit 10 has a substantially rectangular parallelepiped box-shaped frame 12 including columns at four corners, an upper beam 11 that connects the upper ends of the columns, and a lower beam that connects the lower ends of the columns. The frame 12 is preliminarily equipped with a floor material, a ceiling material 13, an ALC plate 14 as an outer wall material, and the like. Further, one of the building units 10 is provided with a bay window 5 protruding from the side surface of the long side.

  As shown in FIG. 2, the bay window 5 includes a bay window frame 51, a window sash 52 supported inside the bay window frame 51, and ALC plates 53 and 54 as outer wall materials supported on the outdoor side of the bay window frame 51. , 55. The bay window frame 51 is fixed to a stud 15 that is installed on the upper beam 11 and the lower beam in the framework 12 of the building unit 10, and is provided so as to protrude outward from the outer surface of the ALC plate 14 that is the outer wall surface of the building unit 10. Yes. The window sash 52 includes a window frame 521 that is fixed to the inner peripheral portion of the bay window frame 51, inner and outer shojis 522 and 523 that are supported on the inner side of the window frame 521, and a screen door 524. ing. Further, an inner wall material 16 is provided on the indoor side of the building unit 10 so as to face the ALC plate 14, and on the indoor side of the bay window 5, the inner wall material 16 provided with an opening and the window frame 521 are connected. The window base 17 and the frames 18 and 19 are provided in a quadrilateral frame shape.

  The ALC plates 53, 54, and 55 as outer wall materials are a vertical ALC plate 53 (see FIG. 5) having a substantially U-shaped cross section along the left and right sides of the window sash 52, and an upper ALC plate 54 along the upper side of the window sash 52. And a lower ALC plate 55 along the lower side of the window sash 52. An appropriate heat insulating material or base material 56 is provided between the upper ALC plate 54 and the ALC plate 14 of the building unit 10, and a draining material that covers the upper ALC plate 54 across the ALC plates 14 and 54. 57 is installed. In addition, a closing plate 58 is installed between the lower ALC plate 55 and the ALC plate 14 of the building unit 10 via an appropriate heat insulating material or base material. Further, as shown in FIG. 5, there is a water stoppage between the vertical ALC plate 53 and the ALC plate 14 of the building unit 10, and between the vertical ALC plate 53 and the upper ALC plate 54 and the lower ALC plate 55. A sealing material 59 is inserted.

  As shown in FIG. 3, the bay window frame 51 of the bay window 5 has a substantially L-shaped cross-section reinforcing frame 511 provided in a pair of left and right at a predetermined interval, and a substantially U-shaped cross section constructed between the upper ends of the reinforcing frame 511. The upper frame 512 and the lower frame 513 having a substantially U-shaped cross section provided between the lower ends of the reinforcing frame 511 are formed in a substantially rectangular frame shape. In addition, brackets 514 serving as fixed portions projecting indoors are provided on the left and right ends of the upper frame 512 and the lower frame 513, and the vertical ALC plates 53 are fixed to the upper and lower ends of the reinforcing frame 511, respectively. A first outer wall material fixing bracket 515 and a second outer wall material fixing bracket 516 are provided. The upper frame 512 is provided with a plurality of elongated holes 512A for fixing the upper ALC plate 54, and a third outer wall material for fixing the lower ALC plate 55 in the vicinity of both left and right ends of the lower frame 513. A fixing bracket 517 and a long hole 513A are provided.

  As shown in FIG. 5, the vertical ALC plate 53 is engaged with the first outer wall material fixing bracket 515 and the second outer wall material with respect to the above bay window frame 51 as shown in FIG. 5. The fixing metal fitting 516 and the cap nut embedded in the vertical ALC plate 53 are fixed by joining with a bolt. Further, the upper ALC plate 54 is fixed to the bay window frame 51 by screwing a bolt 541 inserted through the long hole 512 </ b> A of the upper frame 512 into a cap nut 542 embedded in the upper ALC plate 54. Further, as shown in FIG. 2, the lower ALC plate 55 is a bag in which bolts 551 inserted into the long holes 513A of the lower frame 513 and the insertion holes of the third outer wall material fixing bracket 517 are embedded in the lower ALC plate 55. It is fixed to the bay window frame 51 by being screwed into the nut 552.

  Further, the bracket 514 of the bay window frame 51 is made of a metal plate material and is welded to the upper frame 512 and the lower frame 513, respectively. The bracket 514 is provided at two positions above and below the upper frame 512 or the lower frame 513. A first insertion hole 514A is formed, and a second insertion hole 514B is formed at two positions on the top end side of the bracket 514, that is, closer to the indoor side. On the other hand, as shown in FIGS. 4 and 5, a support plate 151 as a support portion is fixed to the intermediate column 15 of the building unit 10 at a height position corresponding to each bracket 514, and a bolt is attached to the support plate 151. The bracket 514 is fixed via the 152. Specifically, as shown in FIG. 4, the bay window frame 51 is installed in the building unit 10 at the immersive position where the bolt 152 inserted through the first insertion hole 514 </ b> A is screwed into the support plate 151 and is immersed in the indoor direction. Fixed to. On the other hand, as shown in FIG. 5, the bay window frame 51 is fixed to the building unit 10 at the protruding position protruding in the outdoor direction by screwing the bolt 152 inserted into the second insertion hole 514 </ b> B into the support plate 151. The

Next, the attachment procedure as a construction method of the bay window 5 will be described.
First, in the factory, after assembling the framework 12 of the building unit 10, the pillars 15 are installed over the upper and lower beams, the flooring, the ceiling material 13, the ALC plate 14 and the like are installed, and the support plates for the pillars 15 are provided. 151, the bracket 514 of the bay window frame 51 is temporarily fixed. As this temporary fixing, the bay window frame 51 is supported by the building unit 10 at the immersive position by screwing the bolt 152 inserted through the first insertion hole 514A into the support plate 151 so as to be removable. It has become. Furthermore, after attaching the window sash 52 to the inside of the bay window frame 51, the building unit 10 is transported from the factory to the site together with the bay window frame 51 and the window sash 52.

  Next, at the site, the bolt 152 was once removed from the support plate 151 for the building unit 10 to which the bay window frame 51 was temporarily fixed, and then the bay window frame 51 was moved in the outdoor direction and inserted into the second insertion hole 514B. The bolt 152 is screwed onto the support plate 151. Thereby, the bay window frame 51 is permanently fixed to the building unit 10 at the protruding position. Then, the vertical ALC plate 53, the upper ALC plate 54, and the lower ALC plate 55 are sequentially fixed to the bay window frame 51 fixed at the projecting position, thereby completing the bay window 5, and then the building having the bay window 5 The unit 10 is lifted with a crane or the like, and placed and fixed on the foundation or another building unit 10 to complete the installation of the building unit 10. Thereafter, by installing interior finishing materials such as the inner wall material 16, the window base 17, and the frames 18 and 19 on the indoor side of the bay window 5, the construction around the bay window 5 is completed.

According to the above embodiment, the following effects can be obtained.
That is, when the bay window frame 51 and the window sash 52 are separately transported by transporting the building unit 10 while the bay window frame 51 is temporarily fixed to the building unit 10 at the immersive position immersed in the indoor direction. , Transportation costs and labor can be reduced. Further, since the bay window frame 51 and the window sash 52 are temporarily fixed to the building unit 10 in advance, it is only necessary to release the temporary fixing at the site and then fix the bay window frame 51 and the like at the protruding position. Therefore, it is not necessary to lift and set up with the like, so that it is possible to reduce on-site construction labor and construction cost.

In addition, the bay window frame 51 is fixed to the frame 12 of the building unit 10 via the support plate 151 of the spacer 15, and the ALC plates 53, 54, 55 are supported on the bay window frame 51, so that the ALC plates 53, 54, 55 can be reliably supported at a predetermined mounting position, and the appearance of the bay window 5 can be improved.
Furthermore, since the support plate 151 of the stud 15 and the bracket 514 of the bay window frame 51 are temporarily fixed or permanently fixed by the bolts 152, the temporary fixing of the bay window frame 51, the temporary fixing release, and the main fixing operation are easily performed. Each work can be carried out efficiently. Therefore, construction labor on site can be further reduced.

In addition, this invention is not limited to the said embodiment, Including other structures etc. which can achieve the objective of this invention, the deformation | transformation etc. which are shown below are also contained in this invention.
For example, in the above-described embodiment, the two-story unit type building 1 is described, and the case where the bay window 5 is installed in the building unit 10 on the second floor part is illustrated. Arrangement of units, installation position of bay window, etc. can be arbitrarily set.
Furthermore, in the said embodiment, although the bay window 5 protruded from the long side surface of the building unit 10 was provided, the bay window protruded from the short side surface of the building unit 10 may be sufficient.

  Moreover, in the said embodiment, the support plate 151 which is a support part is provided in the stud 15 erected by the upper and lower beams of the building unit 10, and the bay window frame 51 is temporarily fixed or permanently fixed to this support plate 151. However, the support portion is not limited to that provided on the stud 15. That is, a pair of support portions may be provided on adjacent pillars of the building unit 10, one support portion may be provided on the pillar of the building unit, and the other support portion may be provided on the inter-column. Furthermore, support portions may be provided on the upper and lower beams of the building unit, the intermediate beam, or the like.

  As shown in FIGS. 6 and 7, as a specific mode in which the support unit is provided on the beam of the building unit, the support unit is supported by a support bracket 111 having a substantially T-shaped or L-shaped cross section fixed to the upper beam 11 of the building unit 10. A structure in which the bracket 514 of the bay window frame 51 is fixed to the support bracket 111 with a bolt 112 and a nut can be exemplified. By fixing the bracket 514 of the bay window frame 51 to the support bracket 111 of the upper beam 11 in this way, the height dimension of the window sash 52 can be increased, and the bay window 5 having an opening to the ceiling can be configured.

  Moreover, although the said embodiment demonstrated the procedure which fixes ALC plate 53,54,55 as an outer wall material to the bay window frame 51 after transporting to the spot with the building unit 10, the bay window is provided on the short side surface of the building unit 10. If there is no restriction on transportation, such as when 5 is installed, the ALC plates 53, 54, and 55 may be fixed at the factory before transportation to the site.

5 bay window 10 building unit 12 skeleton 15 studs 51 bay window frame 52 window sash 53, 54, 55 ALC version (outer wall material)
111 Support bracket (support part)
151 Support plate (support part)
152 bolt 514 bracket (fixed part)
514A 1st insertion hole 514B 2nd insertion hole

Claims (5)

A bay window fixing structure provided on a side surface of a building unit having a box-shaped frame
The framework is provided with a support portion for supporting the bay window,
The bay window has at least a bay window frame supported by the support portion and a window sash supported by the bay window frame.
The bay window frame can be fixed to the support portion at at least two positions, that is, an immersive position where the bay window frame immerses in the indoor direction and a protruding position where the bay window frame protrudes in the outdoor direction, and extends in the indoor direction from the bay window frame. Brackets are provided ,
The fixed structure of the bay window, wherein the bay window frame has a reinforcing frame that abuts the side surface of the building unit on the outdoor side at the immersive position . In the fixing structure of the bay window according to claim 1,
The bay window fixing structure, wherein the bay window includes an outer wall member fixed to the bay window frame along an outer edge of the window sash. In the fixing structure of the bay window according to claim 1 or 2,
The support portion is provided on at least one of the pillars of the frame and the intermediate pillars constructed between the upper and lower beams of the frame,
The bracket is provided with bolt insertion holes in at least two locations separated in an indoor / outdoor direction, and the bracket is fixed to the support portion via bolts inserted through the bolt insertion holes. Fixed structure of the bay window. A method for constructing a bay window provided on a side surface of a building unit having a box-shaped framework,
The framework is provided with a support portion for supporting the bay window,
The bay window has at least a bay window frame supported by the support portion and a window sash supported by the bay window frame.
The bay window frame can be fixed to the support portion at at least two positions, that is, an immersive position where the bay window frame immerses in the indoor direction and a protruding position where the bay window frame protrudes in the outdoor direction, and extends in the indoor direction from the bay window frame. Brackets are provided,
The bay window frame has a reinforcing frame that abuts on the outdoor side surface of the building unit at the immersive position,
In the state where the reinforcing frame is in contact with the outdoor side surface of the building unit at the immersion position, the bracket is temporarily fixed to the support portion ,
The rear-site transport of provisionally fixed bay windows, said while releasing the temporary fixing, the construction method of the bay window, characterized in that in front Ki突 unloading position to the fixing of the bracket to the support portion. In the construction method of the bay window of Claim 4,
A method for constructing a bay window, wherein an outer wall material is attached to the permanently fixed bay window frame along an outer edge of the window sash.

Images