JP2755899B2 - Mounting structure of protruding bar in unit type curtain wall - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure of a projecting rod provided to penetrate a unit-type curtain wall constituting a wall surface of a building in the indoor and outdoor directions.

[0002]

BACKGROUND ART Conventionally, as wall surfaces of buildings such as buildings,
2. Description of the Related Art A unit-type curtain wall in which a curtain wall unit such as a glass panel is mounted side by side on a skeleton is widely used. In such a unit-type curtain wall, in order to support a curtain wall unit such as a glass panel constituting a wall surface of the curtain wall, or to use as a support material for attaching an eave or a catwalk to the curtain wall, a projection is provided on a frame. In some cases, a protruding bar is provided to penetrate the curtain wall.

[0003] In this case, generally, Japanese Patent Laid-Open No. 5-17973 is used.
As described in Japanese Patent Application Publication No. 9, the projecting rod projecting from the skeleton is provided so as to penetrate a hole formed in the curtain wall unit.

[0004]

However, in such a method, a through-hole must be formed in the curtain wall unit, and the production is complicated, and a gap between the through-hole and the projecting rod is required. There was a problem that it was necessary to perform a closing seal.

[0005] In particular, when sealing is performed, when a curtain wall unit is attached to a skeleton at a construction site, a projecting rod fixed to the skeleton must be inserted into a through hole of the unit. In such a case, it is difficult to provide a dry sealing material on the protruding rod, and it is necessary to perform wet sealing after inserting the protruding rod into the hole. However, it is difficult to ensure watertightness over a long period of time with wet seals, and when used as a sealing material for wind barriers, which require high watertightness, it must be repaired periodically. was there. In addition, there is a problem that the wet seal has many operation steps on site and the operation is complicated.

SUMMARY OF THE INVENTION It is an object of the present invention to eliminate the need to form a through-hole in a curtain wall unit, to facilitate the production of the unit, and to easily and reliably seal a projecting rod. The object of the present invention is to provide a mounting structure of the protruding rod in the above.

[0007]

SUMMARY OF THE INVENTION The present invention relates to a unit-type curtain wall comprising a plurality of curtain wall units arranged side by side. At the intersection of the vertically and horizontally adjacent curtain wall units, that is, at the intersection of the vertical joint and the horizontal joint between the units, a projecting bar is arranged, and a sealing material is provided on the outer periphery of each of the curtain wall units. Are attached continuously four times, and the outer peripheral shape of a portion located at the intersection of the sealing material is formed in accordance with the outer peripheral shape of the protruding rod.

In this case, the sealing material is composed of a corner piece material arranged at the intersection and having an outer peripheral shape corresponding to the outer peripheral shape of the protruding rod, and a straight material arranged at the outer peripheral linear portion of the curtain wall unit. Preferably, it is configured.

[0009]

In the present invention, since the projecting bar is disposed at the intersection of the curtain wall unit, it is not necessary to form a through hole in the curtain wall unit. In addition, since the sealing material attached to the outer periphery of the curtain wall unit has an outer shape conforming to the outer shape of the projecting bar at the intersection, the sealing material and the projecting bar are in close contact with each other and have sufficient watertightness. Since the sealability is secured and the sealing material is attached to the curtain wall unit in advance, workability at the construction site is improved as compared with the case where wet sealing is performed.

[0010]

An embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the projecting bar 1 of the present embodiment is arranged at an intersection of a curtain wall unit 3 made of a glass panel constituting a unit type curtain wall 2.

As shown in FIGS. 2 and 3, the curtain wall unit 3 is attached to a pillar 4 which is a frame made of H-shaped steel via a connecting bracket 5 and a retaining bracket 6 having a U-shaped cross section. The connecting bracket 5 has a vertical surface portion 11 welded to the column 4, and a long hole 13 elongated in the indoor and outdoor directions is formed in each of the horizontal surface portions 12 continuous above and below the vertical surface portion 11. In addition, each horizontal surface portion 1 above and below the locking bracket 6
5, a long hole 16 elongated in the left-right direction, which is a horizontal direction orthogonal to the indoor and outdoor directions, is formed. The locking bracket 6 is attached to the connecting bracket 5 so as to be position-adjustable in the indoor / outdoor direction and the left / right direction by the bolt 17 and the nut 18 screwed through the respective elongated holes 13 and 16.

A notch 2 is formed at the center in the left-right direction of the horizontal surface portion 15 and the vertical surface portion 19 on the lower side of the locking bracket 6.
0 is formed. The projecting rod 1 whose end is welded to the vertical surface 11 of the connecting bracket 5 extends to the outside of the room through the notch 20 of the locking bracket 6.

L-shaped engaging projections 21 for supporting the lower end of the curtain wall unit 3 are formed at the left and right ends of the vertical surface portion 19 of the locking bracket 6, and the left and right ends of the lower horizontal surface 15 are formed. The L-shaped engaging projection 22 for supporting the upper end side of the curtain wall unit 3
Is screwed.

The curtain wall unit 3 comprises a glass plate 30, an upper frame 32 and a lower frame 33 having concave grooves 31 for holding both upper and lower ends of the glass plate 30, as shown in FIG.
As shown in FIG. 3, the glass plate 30 includes left and right vertical frames 34 that are adhered to the left and right rear surfaces of the glass plate 30 to support the glass plate 30. As shown in FIG. 2, the notch grooves 3 are formed in the lower frame 32 and the upper frame 33 at positions corresponding to the engagement protrusions 21 and the engagement protrusions 22 of the locking bracket 6.
2A and 33A are formed, and the notched grooves 32A and 33A are formed.
By inserting the engaging protrusion 21 and the engaging protrusion 22 into the frames 32 and 33 and screwing the engaging protrusion 21 to the lower frame 32, the curtain wall unit 3 is attached to the locking bracket 6. Installed. Also, the upper frame 32,
At the corner where the lower frame 33 and the vertical frame 34 are connected, FIG.
As shown in (1), a corner block 35 for reinforcement is embedded and fixed by screws.

On the outer peripheral surfaces of the upper frame 32, the lower frame 33, and the vertical frame 34, a sealing material 37 for a wind barrier provided on the inside of the room and continuously attached to each of the frames 32 to 34 four times,
Rain barrier sealing material 3 attached to the outside of the room
8, 39, and 40 are provided.

The sealing material 37 for the wind barrier is shown in FIG.
As shown in FIG. 3, the corner piece 41 is formed of a corner piece, and a straight member 42 is disposed on the outer peripheral straight portion of each of the frames 32 to 34. The corner piece material 41 has a 1/4 arc-shaped outer peripheral surface 41A.
By arranging the two corner piece members 41 adjacent to each other, a circular contact surface conforming to the outer peripheral shape of the protruding rod 1 is formed. In addition, the straight member 42 is
34, a hard fitting member 44 made of silicon, which is fitted into the concave groove 43 formed on the outer peripheral surface of the fitting member 44, and a soft annular gasket 45 made of silicon, which is integrally formed with the fitting member 44. ing.

The rain barrier sealing material 38 attached to the vertical frame 34 is provided with two fins 46 separated in the indoor and outdoor directions.
And is closely attached to the sealing material 38 of another curtain wall unit 3 adjacent to the left and right in the indoor and outdoor directions, and forms a rain barrier at a vertical joint between the units 3. The seal member 39 attached to the lower frame 33 of the curtain wall 3 and the seal member 40 attached to the upper frame 32 are provided at positions overlapping in the indoor and outdoor directions. Is composed.

Each of the sealing materials 38 to 38 for the rain barrier
Numeral 40 is arranged except for the intersection of the unit 3 where the projecting bar 1 is arranged. Further, each space between the seal material 37 for the wind barrier and the seal materials 38 and 40 for the rain barrier, the space between the seal materials 38 for the rain barrier arranged in the indoor and outdoor directions, and the space between the seal materials 39 and 40. Is communicated with the outside air through a gap between the sealing members 39 and 40, and is maintained at the same pressure as the outside air.

Next, a procedure for constructing the curtain wall 2 in this embodiment will be described. First, the curtain wall unit 3 is manufactured in a factory. The curtain wall unit 3 is manufactured by a glass plate 30
Is supported by an upper frame 32, a lower frame 33, and a vertical frame 34, and a seal material 37 for a wind barrier and seal materials 38 to 40 for a rain barrier are attached to the outer peripheral surfaces thereof. Then, the curtain wall unit 3 produced at the factory is transported to the construction site.

On the other hand, at the construction site, the retaining bracket 6 is attached to the pillar 4 as a frame via the connecting bracket 5, and the protruding rod 1 is welded to the connecting bracket 5. Next, each curtain wall unit 3 is connected to the locking bracket 6.
To form a unit type curtain wall 2. At this time, the protruding rod 1 welded to the connection bracket 5 is disposed so as to extend to the outdoor side through the intersection of each curtain wall unit 3. Further, in the seal material 37 for the wind barrier, the outer peripheral surface 41A of the corner piece material 41 closely adheres to the protruding rod 1 without any gap, and water tightness is secured.

Then, if necessary, the projecting rod 1 and each frame 32
A sealant is filled by filling a caulking agent in a gap between the sealing member and the cover ring, and a cover ring 48 covering the sealed portion is attached. With the above operations, the unit-type curtain wall 2 is configured.

According to the embodiment having such a configuration, the following effects can be obtained. That is, the seal material 37 for the wind barrier is formed by the corner piece material 41 and the straight material 42.
Since the outer peripheral surface 41A of the shape conforming to the outer peripheral shape of the protruding rod 1 is formed on the corner piece material 41, the protruding rod 1 arranged at the intersection of the curtain wall unit 3 is formed.
The sealing member 37 of each unit 3 can be brought into close contact with no gap. For this reason, it is possible to prevent rainwater or the like from entering between the projecting bar 1 and the sealing material 37, and the curtain wall 2 having high watertightness can be obtained even if the projecting bar 1 penetrating the unit type curtain wall 2 is provided.

Further, the sealing material 37 is used for the corner piece material 4.
1 and the straight material 42, the provisional rod 1
In the case where the shape is different, only the corner piece material 41 has to be formed correspondingly, and the straight material 42 can be used in common. Therefore, the production cost can be reduced and it can be easily handled.

Further, by using the above-mentioned sealing material 37, the projecting rod 1 is provided at the intersection between the curtain wall units 3.
Since there is no need to form a through hole in the glass plate or the like of the curtain wall unit 3 and penetrate the projecting rod 1 as in the conventional case, the design of the curtain wall unit 3 is not reduced. And a glass plate 30
Since there is no need for processing, production costs can be reduced.

The present invention is not limited to the above-described embodiment, but includes modifications and improvements as long as the object of the present invention can be achieved. For example, the seal material 37 for the wind barrier is not limited to the one in the above-described embodiment, and as shown in FIG. 5, a corner piece material 51 arranged diagonally and a straight material extended to one protruding rod 1 portion. 52. Further, in the above-described embodiment, the seal member 37 is composed of the corner piece member 41 and the straight member 42. However, these are integrated, and the seal member 37 is used for the curtain wall unit 3 including the corner portion for four continuous rounds. Is also good. However,
The configuration using the corner piece material 41 and the straight material 42 as in the above embodiment has an advantage that it can easily cope with various projecting rods 1 having different shapes and sizes. In short, the sealing material of the present invention only needs to have an outer peripheral shape capable of closely adhering to the protruding rod 1 disposed at the intersection of the curtain wall unit 3 without any gap, and the specific structure, material, etc. May be appropriately set for implementation.

In the above-described embodiment, the present invention is applied to the unit type curtain wall 2 composed of the curtain wall unit 3 attached to the pillar 4 via the connecting bracket 5 and the locking bracket 6, but the present invention is applied to, for example, a floor. The present invention is also applicable to a unit-type curtain wall configured by a curtain wall unit 3 attached to a slab via a fastener or attached to a slab. Further, the curtain wall unit 3 is not limited to the one made of a glass panel as in the above embodiment, but may be a honeycomb panel formed by attaching a plate having a honeycomb core between a front plate and a back plate to a frame, or an aluminum single plate Various panels can be used, such as an aluminum veneer panel in which is attached to a frame, a stone panel in which a stone is attached to a frame, and these may be appropriately selected in consideration of designability and the like.

[0027]

According to the present invention, it is not necessary to form a through hole in the curtain wall unit, the production of the unit can be facilitated, and the sticking of the projecting rod can be performed simply and reliably. There is an effect that can be. In addition, if the sealing material is formed of a corner piece material and a straight material, there is an effect that various types of projecting rods having different outer shapes and sizes can be easily handled.

[Brief description of the drawings]

FIG. 1 is a front view showing a main part of an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view showing a main part of the embodiment.

FIG. 3 is a plan sectional view showing a main part of the embodiment.

FIG. 4 is an exploded perspective view showing a main part of the embodiment.

FIG. 5 is a front view showing a modification of the present invention.

[Explanation of symbols]

 1 Projecting rod 2 Curtain wall 3 Curtain wall unit 4 Pillar 37, 38, 39, 40 Sealing material 41, 51 Corner piece material 42, 52 Straight material

Claims (2)

(57) [Claims] A unit-type curtain wall (2) constructed by arranging a plurality of curtain wall units (3) in parallel, a mounting structure of a protruding rod (1) provided to penetrate the wall surface in the indoor and outdoor directions. A projection bar (1) is arranged at the intersection of the vertically and horizontally adjacent curtain wall units (3), and a sealing material (37) is wound around the outer periphery of each curtain wall unit (3) for four rounds. The projecting rod of the unit-type curtain wall, wherein the projecting rod in the unit type curtain wall is attached continuously, and the outer peripheral shape of a portion located at the intersection of the sealing material (37) is formed according to the outer peripheral shape of the projecting rod (1). Mounting structure. 2. The mounting structure of a projecting bar in a unit type curtain wall according to claim 1, wherein the sealing material is provided.
(37) is a corner piece material (41), (51) which is disposed at the intersection and has an outer peripheral shape adapted to the outer peripheral shape of the protruding rod.
And a straight member (42), (52) disposed on a straight outer peripheral portion of the curtain wall unit (3).