JP2021067051A - Fixing structure of outdoor fin - Google Patents

Abstract

To provide a fixing structure of an outdoor fin capable of improving fixing strength of the outdoor fin.SOLUTION: An outdoor fin 30 has a fin body 31, a first engaging piece part 32, and a second engaging piece part 33. A fixing bracket 40 has a bracket base part 41, a first fixing piece part 42, and a second fixing piece part 43. The first and second engaging piece parts 32, 33 are overlapped and engaged with the first and second fixing piece parts 42, 43. A shaft part 52 of a countersunk bolt 50 penetrates the first engaging piece part 32 and the first fixing piece part 42, and the first engaging piece part 32 is fixed to the first fixing piece part 42. The tip end of the shaft part 52 is arranged opposite to the second engaging piece part 33, and the space between them is smaller than an engaging margin of the second engaging piece part 33 and the second fixing piece part 43.SELECTED DRAWING: Figure 3

Description

The present invention relates to a fixed structure of outdoor fins attached to a building.

Conventionally, eaves attached to an entrance / exit such as a self-propelled building or an upper part of a window on the outdoor side have been known (see Patent Document 1). On the back side (building side) of this eaves, upper and lower hanging claws whose tips are bent downward are formed. Further, a mounting bracket is fixed to the outer wall surface of the building, and the mounting bracket is formed with upper and lower receiving claws whose tips are bent upward. The eaves are temporarily placed on the mounting bracket by hooking the upper and lower hanging claws on the upper and lower receiving claws, and then are finally fixed to the mounting bracket with screws.

Japanese Unexamined Patent Publication No. 2004-270199

By the way, since the eaves described in Patent Document 1 are installed at the door of the building as described above, it is sufficient that the eaves have a load capacity setting corresponding to the installation location, and the eaves can be hung on the lower side. The claw and the receiving claw are fastened with screws, but the upper hanging claw is only hooked on the receiving claw.
Here, for example, when an outdoor fin such as an eave is installed on an outer wall surface formed of a curtain wall or the like in a building, an external force such as a wind pressure larger than the wind pressure received by the building's own opening is applied. The installation must be load-bearing. However, the eaves described in Patent Document 1 do not assume such a load-bearing setting, and it is difficult to improve the fixing strength of the eaves. The same applies to the case where the outdoor fins are installed horizontally as well as the case where the outdoor fins are installed vertically.

An object of the present invention is to provide a fixing structure of an outdoor fin capable of improving the fixing strength of the outdoor fin.

The fixing structure of the outdoor fins of the present invention is a fixing structure of the outdoor fins for fixing the outdoor fins arranged so as to extend from the outer wall surface of the building toward the outdoor side to the building by a fixing bracket, and is the outdoor fins. The fin has a long fin main body portion arranged along the outer wall surface, and a first engaging piece portion and a second engaging piece portion extending from the fin main body portion to the outer wall surface side. The fixing bracket has a bracket base portion fixed to the outer wall surface, a first fixing piece portion and a second fixing piece portion extending to the outdoor side from the bracket base portion, and the first engaging piece portion. Overlaps the first fixed piece portion and engages in the protruding width direction, the second engaging piece portion overlaps the second fixed piece portion and engages in the protruding width direction, and the first engaging piece portion The first engaging piece is fixed to the first fixing piece by a fixture having a shaft portion penetrating the first fixing piece, and the tip of the shaft is attached to the second engaging piece. The second engaging piece portion and the second engaging piece portion in a thickness direction intersecting the length direction and the protruding width direction of the outdoor fin are arranged so as to face each other between the tip of the shaft portion and the second engaging piece portion. It is characterized in that it is smaller than the engagement allowance of the second fixed piece portion.

According to the present invention, it is possible to provide a fixing structure of an outdoor fin capable of improving the fixing strength of the outdoor fin.

FIG. 3 is an external view showing a curtain wall having a fixed structure of outdoor fins according to an embodiment of the present invention. The vertical sectional view which shows the curtain wall shown in FIG. FIG. 3 is a cross-sectional view taken along the line III-III shown in FIG. FIG. 2 is a cross-sectional view taken along the line IV-IV shown in FIG.

[Structure of the present embodiment]
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
In FIGS. 1 and 2, the outdoor fin fixing structure 10 (hereinafter, abbreviated as fixed structure) according to the present embodiment is configured on a curtain wall 1 constituting an outer wall surface 3 of a building 2 such as a building. The building 2 includes a beam 4 and a floor slab 5 supported by the beam 4. A suspended ceiling 6 is installed below the floor slab 5. The curtain wall 1 is composed of a plurality of curtain wall units 1A suspended and connected to the floor slab 5 arranged side by side in the vertical and horizontal directions, and partitions the interior and exterior of the building 2.
In the following description, the left-right direction of the curtain wall 1 is the X-axis direction, the vertical direction of the curtain wall 1 is the Y-axis direction, and the indoor / outdoor direction (expected direction) of the curtain wall 1 is the Z-axis direction. Further, for convenience of explanation, with respect to the outdoor fin 30 described later, the length direction thereof is the X-axis direction, the protrusion width direction to the outdoor side is the Z-axis direction, and the thickness thereof is based on the fixed state to the outer wall surface 3. The vertical direction is the Y-axis direction. The X, Y, and Z axis directions are orthogonal to each other.

The curtain wall unit 1A includes a frame body 20 having an upper frame 21, a lower frame 22, a transom 23 and left and right vertical frames 24 formed of an extruded aluminum profile, and an upper frame 21, a transom 23 and the left and right vertical frames. A panel 26 arranged in the upper opening 7 formed by the frame 24 and a panel 27 arranged in the lower opening 8 formed by the lower frame 22, the transom 23 and the left and right vertical frames 24 are provided. There is. In the present embodiment, the panel 26 is composed of a single-layer glass panel, and the panel 27 is composed of a double-glazed glass panel.

[Fixed structure of outdoor fins]
As shown in FIGS. 3 and 4, a steel fixing bracket 40 having a substantially U-shaped cross section is fixed to the outdoor finding surface portion 241 of the left and right vertical frames 24, and an aluminum outdoor fin is fixed to the fixing bracket 40. 30 is fixed. The outdoor fins 30 are arranged along the outdoor finding surface of the transom 23 (which constitutes a part of the outer wall surface 3 of the building 2), and the fixing brackets 40 are arranged at both ends of the outdoor fins 30 in the X-axis direction. Has been done. Since the outdoor fins 30 are arranged along the transom 23 of the adjacent curtain wall unit 1A, a plurality of outdoor fins 30 are arranged side by side in the X-axis direction. In FIG. 4, the panel 26 is not shown.

The outdoor fin 30 has a long fin main body 31 arranged along the left-right direction (X-axis direction) of the outer wall surface 3 and a first engaging piece portion extending from the fin main body 31 to the outer wall surface 3 side. It has 32 and a second engaging piece 33.
As shown in FIG. 3, the fin body portion 31 has a tip piece portion 313 that is continuous with the tips of the first prospective piece portion 311 and the second prospective piece portion 312, and the first prospective piece portion 311 and the second prospective piece portion 312. And the base end piece 314 which is continuous with the base end of the first prospective piece 311 and the second prospective piece 312, and the intermediate part of the first prospective piece 311 and the second prospective piece 312 in the Z-axis direction. It has an intermediate piece portion 315 and the like. The first prospective piece 311 is inclined with respect to the Z-axis direction so as to be obliquely downward from the base piece 314 toward the tip piece 313. The second prospective piece 312 is arranged horizontally along the Z-axis direction. Side plates 34 shown in FIG. 4 are attached to both ends of the fin main body 31 in the X-axis direction. Further, the lower piece portion 316 extends from the continuous portion of the second prospective piece portion 312 and the base end piece portion 314 toward the outer wall surface 3, and the lower piece portion 316 extends the exposed portion of the second fixed piece portion 43 described later. Has been reduced.
The first engaging piece portion 32 extends from the continuous portion of the first prospective piece portion 311 and the base end piece portion 314 toward the outer wall surface 3 in the Z-axis direction, and the tip portion of the first engaging piece portion 32 protrudes downward. An engaging convex portion 321 as a joint portion is formed. Further, the first engaging piece portion 32 extends in the X-axis direction like the fin main body portion 31, and bolts as fixtures are provided at both ends of the first engaging piece portion 32 in the X-axis direction. In the form, a circular hole 322 through which the countersunk bolt 50 is passed is formed. Here, the countersunk bolt 50 has a countersunk head 51 and a shaft portion 52 having a male screw threaded on the peripheral surface, and the hole 322 has a tapered shape in which the head 51 is accommodated. ..
The second engaging piece portion 33 is located at a position spaced apart from the first engaging piece portion 32 in the Y-axis direction (here, downward) in the Z-axis direction from the base end piece portion 314 toward the outer wall surface 3 side. It extends to. The second engaging piece portion 33 has an engaging recess 331 as an engaging portion recessed upward, and the tip and Y of the shaft portion 52 of the countersunk bolt 50 located on the outer wall surface 3 side of the engaging recess 331. A shaft facing portion 332 facing in the axial direction and a positioning protrusion 333 located on the outer wall surface 3 side of the shaft facing portion 332 and projecting upward toward the first engaging piece portion 32 are formed. .. The engaging recess 331 is arranged at the base end of the second engaging piece 33, the positioning protrusion 333 is arranged at the tip of the second engaging piece 33, and the shaft facing portion 332 is the second engaging piece 33. It is arranged in the middle portion between the base end portion and the tip end portion of 33. Further, the second engaging piece portion 33 extends in the X-axis direction like the fin main body portion 31.

The fixing bracket 40 is a piece material arranged at both ends of the outdoor fin 30 as described above, and the bracket base 41 fixed to the outer wall surface 3 along the Y-axis direction and the bracket base 41 toward the outdoor side. It has a first fixed piece portion 42 and a second fixed piece portion 43 extending in the Z-axis direction. The bracket base 41 is screwed to the outdoor finding surface portion 241 of the left and right vertical frames 24 with screws 9.
The first fixed piece portion 42 extends in the Z-axis direction from one edge portion of the bracket base portion 41 along the X-axis direction, that is, the upper edge portion in the present embodiment toward the outdoor side. An engaging shoulder portion 421 as an engaging portion is formed at the base end portion of the first fixed piece portion 42 by a side surface along the Y-axis direction and a bottom surface along the Z-axis direction. A circular hole 422 is formed on one end side of the first fixed piece portion 42 in the X-axis direction in the same manner as the hole 322 of the first engaging piece portion 32, and the other side of the first fixed piece portion 42 in the X-axis direction. An elongated hole 423 extending in the X-axis direction is formed on the side (see FIG. 4). A slide groove 424 is formed on the surface of the first fixed piece portion 42 located on the side of the second fixed piece portion 43, and a rectangular plate-shaped fixing plate 45 as a fixing member is formed in the slide groove 424 in the X-axis direction. It is held so that it can be slidable. The fixing plate 45 is formed with a fixing hole 451 in which a female screw into which the shaft portion 52 of the countersunk bolt 50 is screwed is formed.
The second fixed piece portion 43 extends in the Z-axis direction from the other edge portion of the bracket base portion 41 along the X-axis direction, that is, the lower edge portion in the present embodiment toward the outdoor side, and the first fixed piece portion 43. It is arranged at a position spaced apart from the 42 in the Y-axis direction (here, downward). At the tip of the second fixed piece portion 43, an engaging convex portion 431 as an engaging portion protruding upward toward the first fixed piece portion 42 side is formed.

Hereinafter, fixing of the outdoor fin 30 will be described. The bracket base 41 of the fixing bracket 40 is screwed to the outdoor finding surface portion 241 of the left and right vertical frames 24 in advance.
First, while overlapping the second engaging piece 33 of the outdoor fin 30 on the second fixing piece 43 of the fixing bracket 40, the engaging concave portion 331 is placed in the Z-axis direction (protruding width direction) with respect to the engaging convex portion 431. Engage in. At the same time, while overlapping the first engaging piece 32 of the outdoor fin 30 on the first fixing piece 42 of the fixing bracket 40, the engaging convex portion 321 is placed in the Z-axis direction (protruding width) with respect to the engaging shoulder portion 421. Orientation). By engaging in this way, the outdoor fin 30 is temporarily fixed to the fixing bracket 40. The ends of the outdoor fins 30 arranged side by side in the X-axis direction are temporarily fixed to the fixing brackets 40. In the present embodiment, a slight gap C shown in FIG. 3 is formed between the shaft facing portion 332 of the second engaging piece portion 33 and the second fixed piece portion 43. This gap C is configured as a gap that allows elastic deformation of the second engaging piece 33 pressed against the tip of the shaft 52.
Next, the shaft portion 52 of the countersunk bolt 50 is inserted into the hole 322 in the first engaging piece portion 32 of one of the outdoor fins 30 and the hole 422 on one end side of the first fixing piece portion 42, and the slide groove is inserted. The shaft portion 52 is screwed into the fixing hole 451 of the fixing plate 45 held in the 424, and then the countersunk bolt 50 is screwed in to fit the head portion 51 into the tapered hole 322. Further, the shaft portion 52 of the countersunk bolt 50 is inserted into the hole 322 in the first engaging piece portion 32 of the other outdoor fin 30 and the elongated hole 423 on the other end side of the first fixed piece portion 42, and slides. The shaft portion is screwed into the fixing hole 451 of the fixing plate 45 held in the groove 424, and then the countersunk bolt 50 is screwed in to fit the head 51 into the tapered hole 322. In this way, the first engaging piece portion of the outdoor fins 30 arranged side by side in the X-axis direction is fastened to the first fixing piece portion of the common fixing bracket 40 by screwing. The positions of the first engaging piece portion 32 and the first fixed piece portion 42 of one outdoor fin 30 in the X-axis direction are fixed, but the first engaging piece portion 32 and the first engaging piece portion 32 of the other outdoor fin 30 are fixed. The position of the fixed piece portion 42 in the X-axis direction can be adjusted according to the length of the elongated hole 423, and the fixing plate 45 slides along the slide groove 424 according to the position adjustment.
In the state where the first engaging piece portion 32 is fixed to the first fixing piece portion 42 by the countersunk bolt 50 in this way, the tip of the shaft portion 52 is the second engaging piece portion 33 in a state where elastic deformation does not occur. It is arranged at a position closer to the second fixed piece portion 43 than the upper surface. Therefore, the tip of the shaft portion 52 hits the upper surface of the second engaging piece portion 33, and the second engaging piece portion 33 is pressed downward toward the second fixed piece portion 43 to be arranged. The second engaging piece 33 to be pressed is in a state of being elastically deformed by the above-mentioned gap C. As a result, an elastic reaction force upward from the second engaging piece 33 is applied to the shaft portion 52, so that the countersunk bolt 50 can be prevented from loosening with respect to the fixing plate 45.
Further, the positioning protrusion 333 of the second engaging piece portion 33 is located so as to face the shaft portion 52 from the outer wall surface 3 side in the Z-axis direction, and is in contact with the shaft portion 52 in the present embodiment. There is. Therefore, even if there is play in the Z-axis direction between the engaging concave portion 331 of the second engaging piece portion 33 and the engaging convex portion 431 of the second fixed piece portion 43, the positioning protrusion 333 is provided on the shaft portion 52. The second engaging piece 33 is positioned in the Z-axis direction by abutting. By pressing the shaft portion 52 against the second engaging piece portion 33 in this way, the fixing strength of the second engaging piece portion 33 and the second fixing piece portion 43 can be increased without fixing them with separate bolts or the like. Can be improved.
In this way, since the outdoor fin 30 is fixed to the outer wall surface 3 of the building 2 by the fixing bracket 40, the load capacity setting assuming that the outdoor fin 30 is mounted on the curtain wall 1 and the outdoor fin 30 receive the load capacity. It is possible to configure the fixed structure 10 corresponding to the load capacity setting assuming the wind pressure in the vertical direction.

[Modification example]
In the above embodiment, the second engaging piece 33 is pressed by the tip of the shaft 52, but the second engaging piece 33 may be pressed without pressing, and the tip of the shaft 52 and the second engaging piece may be pressed. There may be a gap between the portion 33 and the portion 33. This gap may be smaller than the engagement allowance in the Y-axis direction between the engaging recess 331 of the second engaging piece 33 and the engaging convex 431 of the second fixed piece 43, and there is such a gap. Even if the shaft portion 52 is engaged, the disengagement of the second engaging piece portion 33 can be suppressed.
In the above embodiment, the shaft portion 52 is pressed between the second engaging piece portion 33 and the second fixed piece portion 43 to the second fixed piece portion 43 side of the second engaging piece portion 33. Although a gap C capable of allowing elastic deformation is formed, the gap C may not be formed. Even in this case, the tip of the shaft portion 52 is arranged at a position slightly closer to the second fixed piece portion 43 than the upper surface of the second engaging piece portion 33 in a state where elastic deformation has not occurred. The second engaging piece 33 and the second fixed piece 43 are slightly elastically deformed so as to be upward from the second fixed piece 43 and the second engaging piece 33 with respect to the shaft portion 52. An elastic reaction force can be applied toward the surface to prevent the countersunk bolt 50 from loosening against the fixing plate 45.
In the above embodiment, the engaging convex portion 321 is formed on the first engaging piece portion 32, but an engaging concave portion may be formed instead of the engaging convex portion 321. In this case, the first fixed piece portion 42 is engaged. An engaging convex portion that can be engaged is formed not on the shoulder portion 421 but on the engaging concave portion. Further, although the engaging concave portion 331 is formed in the second engaging piece portion 33, an engaging convex portion may be formed instead of the engaging concave portion 331. In this case, the engaging convex portion 43 is formed in the second fixed piece portion 43. It forms an engaging recess instead of 431.
In the above embodiment, the first engaging piece portion 32 and the first fixing piece portion 42 are formed with an engaging convex portion 321 and an engaging shoulder portion 421 located on the outer wall surface 3 side with respect to the countersunk bolt 50. However, the present invention is not limited to this, and the first engaging piece portion 32 and the first fixing piece portion 42 may be formed with engaging portions that engage with each other at positions on the outdoor side with respect to the countersunk bolt 50. Further, the second engaging piece portion 33 and the second fixing piece portion 43 are formed with an engaging concave portion 331 and an engaging convex portion 431 located on the outdoor side with respect to the countersunk bolt 50, but the present invention is not limited to this. , The second engaging piece portion 33 and the second fixing piece portion 43 may be formed with engaging portions that engage with each other at positions on the outer wall surface 3 side with respect to the countersunk bolt 50.
In the above embodiment, the positioning protrusion 333 is formed on the second engaging piece 33, but the case where the outdoor fin 30 can be sufficiently positioned in the Z-axis direction by engaging the engaging concave portion 331 and the engaging convex portion 431. The configuration of the positioning protrusion 333 may be omitted.
In the above embodiment, the first fixing piece portion 42 is formed with a slide groove 424 for holding the fixing plate 45 in a slidable manner and an elongated hole 423 through which the countersunk bolt 50 is passed. If the dimensional error or construction error is small enough that the position adjustment in the X-axis direction with respect to the first fixed piece portion 42 of 32 is not necessary, the configuration of the slide groove 424 is omitted and the same as the hole 422 instead of the elongated hole 423. Circular holes may be formed. In this case, the fixing plate 45 may be fixed to the first fixing piece portion 42 with a screw or the like, or the configuration of the fixing plate 45 may be omitted and a female screw may be formed in the hole of the first fixing piece portion 42. Good.
In the above embodiment, the expected position of the countersunk bolt 50 in the Z-axis direction is the central position of the first engaging piece 32 in the Z-axis direction, but the present invention is not limited to this, and the outer wall surface 3 is closer to the central position. Alternatively, the position may be closer to the outdoors.
In the above embodiment, the countersunk bolt 50 is used as a fixture, but in addition, various bolts such as hexagon bolts and various screws may be used.
In the above embodiment, the first engaging piece portion 32 is overlapped and engaged on the first fixed piece portion 42, but the present invention is not limited to this, and the first engaging piece portion 32 is the first fixed piece portion 42. It may be stacked and engaged underneath. In this case, the fixing plate 45 is attached to the first engaging piece 32 instead of the first fixing piece 42, or the fixing plate 45 is omitted to form a female screw in the hole 322 of the first engaging piece 32. To do.
In the above embodiment, the outdoor fin 30 is installed as a so-called horizontal fin along the transom 23 to form the eaves of the curtain wall 1, but is also installed as a so-called vertical fin along the vertical frame 24. May be good.
In the above embodiment, the outdoor fin 30 is installed on the curtain wall 1, but it may also be installed at an entrance / exit such as a doorway of a building, and in this case as well, the necessary and sufficient load capacity can be set.

[Summary of the present invention]
The fixing structure of the outdoor fins of the present invention is a fixing structure of the outdoor fins for fixing the outdoor fins arranged so as to extend from the outer wall surface of the building toward the outdoor side to the building by a fixing bracket, and is the outdoor fins. The fin has a long fin main body portion arranged along the outer wall surface, and a first engaging piece portion and a second engaging piece portion extending from the fin main body portion to the outer wall surface side. The fixing bracket has a bracket base portion fixed to the outer wall surface, a first fixing piece portion and a second fixing piece portion extending to the outdoor side from the bracket base portion, and the first engaging piece portion. Overlaps the first fixed piece portion and engages in the protruding width direction, the second engaging piece portion overlaps the second fixed piece portion and engages in the protruding width direction, and the first engaging piece portion The first engaging piece is fixed to the first fixing piece by a fixture having a shaft portion penetrating the first fixing piece, and the tip of the shaft is attached to the second engaging piece. The second engaging piece portion and the second engaging piece portion in a thickness direction intersecting the length direction and the protruding width direction of the outdoor fin are arranged so as to face each other between the tip of the shaft portion and the second engaging piece portion. It is characterized in that it is smaller than the engagement allowance of the second fixed piece portion.
According to the fixing structure of the outdoor fin of the present invention, the first engaging piece portion is engaged with the first fixing piece portion and fixed by the fixing tool, and the tip of the shaft portion of the fixing tool is fixed to the second engaging piece portion. By making the space between them smaller than the engagement allowance of the second engaging piece and the second fixing piece, the fixture can be fixed only to the first engaging piece and the first fixing piece. Instead, the disengagement of the second engaging piece portion and the second fixing piece portion can be suppressed, and the fixing strength of the outdoor fin can be improved. For this reason, it can be used with a load-bearing setting corresponding to installation not only on the entrance and exit of a building, but also on the outer wall surface of a building to which a large external force is applied.
A gap smaller than the engagement allowance may be formed between the tip of the shaft portion of the fixture and the second engaging piece portion, and the shaft of the fixture is not formed with such a gap. The tip of the portion may be brought into contact with the second engaging piece portion.

In the fixing structure of the outdoor fin of the present invention, the fixture fixes the first engaging piece portion to the first fixing piece portion by screwing, and the tip of the shaft portion is the second engaging piece portion. May be arranged to press the second fixed piece side.
According to such a configuration, the reaction force applied to the fixture from the second engaging piece pressed against the tip of the shaft portion of the fixture is screwed into the first engaging piece and the first fixing piece. Can be used to prevent loosening.

In the fixing structure of the outdoor fin of the present invention, the fixture is formed by a bolt whose shaft portion is threaded, and a hole through which the shaft portion is penetrated is formed in the first engaging piece portion. In the first fixing piece portion, an elongated hole through which the shaft portion is penetrated is formed so as to extend in the length direction of the outdoor fin, and a fixing member screwed with the shaft portion can be slidable in the length direction. A slide groove for holding may be formed.
According to such a configuration, the position of the first engaging piece portion in the length direction of the outdoor fin with respect to the second fixed piece portion can be adjusted.

In the fixing structure of the outdoor fin of the present invention, elastic deformation of the second engaging piece portion pressed against the tip of the shaft portion is allowed between the second engaging piece portion and the second fixing piece portion. A gap may be formed.
According to such a configuration, the second engaging piece portion pressed against the tip of the shaft portion of the fixture can be elastically deformed to some extent, and therefore, an elastic reaction force from the second engaging piece portion to the fixture can be obtained. This can more preferably prevent the first engaging piece and the first fixing piece from loosening.

In the fixing structure of the outdoor fin of the present invention, the second engaging piece portion is located on the outer wall surface side of the engaging portion and the engaging portion that engages with the second fixing piece portion, and is fixed. The positioning protrusion has a shaft facing portion facing the tip of the shaft portion of the tool and a positioning protrusion located on the outer wall surface side of the shaft facing portion and protruding toward the first engaging piece portion. May be arranged so as to face the shaft portion of the fixture in the protruding width direction.
According to such a configuration, for example, even if there is some play in the protruding width direction in the engagement of the second engaging piece portion and the second fixing piece portion, when the shaft portion of the fixture is arranged at a predetermined position, The position can be adjusted by hitting the positioning protrusions facing the shaft in the protruding width direction, and the outdoor fins can be easily positioned.

In the fixed structure of the outdoor fins of the present invention, the outdoor fins are arranged along the left-right direction of the outer wall surface, and the first engaging piece portion is arranged so as to be overlapped upward with respect to the first fixed piece portion. The second engaging piece portion is arranged so as to overlap the second fixing piece portion upward, and the shaft portion of the fixture is arranged from above with respect to the first engaging piece portion and the first fixing piece portion. It may be penetrated and the tip of the shaft portion may be arranged so as to face the upper surface of the second engaging piece portion.
According to such a configuration, the eaves can be constructed by outdoor fins arranged along the left-right direction of the outer wall surface of the building. Since the eaves configured in this way are fixed to the building by the fixing structure described above, the fixing strength can be improved as compared with the case where the eaves are only engaged with the building side by a hanging claw or the like. Therefore, for example, it is possible to make a configuration corresponding to a load-bearing setting assuming the vertical wind pressure received by the eaves installed on the outer wall surface of a building, or a load-bearing setting assuming a foothold on the eaves.

1 ... Curtain wall, 10 ... Fixed structure, 1A ... Curtain wall unit, 2 ... Building, 20 ... Frame, 23 ... No eyes, 24 ... Vertical frame, 241 ... Outdoor finding surface, 3 ... Outer wall surface, 30 ... Outdoor fins , 31 ... Fin body part, 314 ... Base end piece part, 32 ... First engaging piece part, 321,431 ... Engaging convex part, 322,422 ... Hole, 33 ... Second engaging piece part, 331 ... Joint recess 332 ... Axis facing part, 333 ... Positioning protrusion, 4 ... Beam, 40 ... Fixed bracket, 41 ... Bracket base, 42 ... First fixing piece, 421 ... Engaging shoulder, 423 ... Long hole, 424 ... slide groove, 43 ... second fixing piece, 45 ... fixing plate, 451 ... fixing hole, 5 ... floor slab, 50 ... countersunk bolt, 51 ... head, 52 ... shaft, 6 ... suspended ceiling, 7, 8 ... opening, 9 ... screw, C ... gap.

Claims (6)

It is a fixed structure of outdoor fins that fixes the outdoor fins that extend from the outer wall surface of the building toward the outdoor side in the protruding width direction to the building with fixing brackets.
The outdoor fin includes a long fin main body portion arranged along the outer wall surface, and a first engaging piece portion and a second engaging piece portion extending from the fin main body portion toward the outer wall surface side. Have and
The fixing bracket has a bracket base portion fixed to the outer wall surface, and a first fixing piece portion and a second fixing piece portion extending outward from the bracket base portion.
The first engaging piece portion overlaps with the first fixed piece portion and engages in the protruding width direction.
The second engaging piece portion overlaps with the second fixed piece portion and engages in the protruding width direction.
The first engaging piece portion is fixed to the first fixing piece portion by a fixture having a shaft portion penetrating the first engaging piece portion and the first fixing piece portion.
The tip of the shaft portion is arranged so as to face the second engaging piece portion.
Between the tip of the shaft portion and the second engaging piece portion, the second engaging piece portion and the second fixed piece portion in the thickness direction intersecting the length direction and the protruding width direction of the outdoor fin. An outdoor fin fixing structure characterized by being smaller than the engagement allowance. In the fixed structure of the outdoor fin according to claim 1,
The fixture fixes the first engaging piece portion to the first fixing piece portion by screwing.
An outdoor fin fixing structure characterized in that the tip of the shaft portion is arranged to press the second engaging piece portion toward the second fixing piece portion side. In the fixed structure of the outdoor fin according to claim 2,
The fixture is formed by bolts with threaded shafts.
A hole through which the shaft portion is passed is formed in the first engaging piece portion.
An elongated hole through which the shaft portion is penetrated is formed in the first fixing piece portion so as to extend in the length direction of the outdoor fin, and a fixing member screwed with the shaft portion can be slid in the length direction. A fixed structure of outdoor fins, characterized in that a slide groove is formed to hold on. In the fixed structure of the outdoor fin according to claim 2 or 3.
A gap is formed between the second engaging piece portion and the second fixed piece portion to allow elastic deformation of the second engaging piece portion pressed against the tip of the shaft portion. Fixed structure of outdoor fins. In the fixing structure of the outdoor fin according to any one of claims 1 to 4.
The second engaging piece portion is a shaft that engages with the second fixing piece portion and is located on the outer wall surface side of the engaging portion and faces the tip of the shaft portion of the fixture. It has a facing portion and a positioning protrusion located on the outer wall surface side of the shaft facing portion and projecting toward the first engaging piece portion.
The outdoor fin fixing structure, wherein the positioning protrusion is arranged so as to face the shaft portion of the fixture in the protruding width direction. In the fixing structure of the outdoor fin according to any one of claims 1 to 5.
The outdoor fins are arranged along the left-right direction of the outer wall surface.
The first engaging piece portion is arranged so as to overlap the first fixed piece portion upward.
The second engaging piece portion is arranged so as to overlap the second fixed piece portion upward.
The shaft portion of the fixture is penetrated from above with respect to the first engaging piece portion and the first fixing piece portion.
A fixing structure for outdoor fins, wherein the tip of the shaft portion is arranged so as to face the upper surface of the second engaging piece portion.

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