JPH0367174B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for installing a curtain wall using mullions.

[Conventional technology]

The conventional construction method for curtain walls using mullions is the knock-down method, which uses mullions and blinds.

This construction method involves assembling mullions and grids into a grid, attaching them to a structural frame, and using this as a tension frame for a curtain wall unit.

[Problem to be solved by the invention]

However, the conventional knock-down construction method had the following problems.

(1) The above-mentioned tension frame must be precisely assembled with mullions and blinds according to the size of the curtain wall unit to be fitted into it, so the assembly work is troublesome and time-consuming.

Also, even if the tension frame is assembled with precision,
Since it is carried out on-site, it is inevitable that some errors will occur, making it difficult to fit the curtain wall unit into the tension frame.
In most cases, it was necessary to move the curtain wall unit up and down and from side to side, and in some cases, it was necessary to fit it into place while applying unreasonable force.

(2) Curtain wall units are fixed to the tension frame with screws, so the screwed parts can be damaged by wind pressure or negative pressure and easily come off from the tension frame.

The present invention was made to solve these conventional problems, and an object of the present invention is to provide a curtain wall that can be installed easily, efficiently, and firmly.

[Means to solve the problem]

The method for installing a curtain wall provided by this invention consists of a plurality of mullions H attached to the frame at regular intervals, fixed brackets b ₂ attached to both left and right sides of each mullion H, and fixed brackets B2 attached to both left and right sides of each mullion H. A movable bracket b ₃ is attached to the bracket B ₂ fixed to the left and right sides of each mullion H and the frame at a position above b ₂ using bolts and nuts in vertically long bolt holes, and a fixed bracket This is a method for installing a curtain wall consisting of a curtain wall unit attached to a movable bracket _b2 and a movable bracket _b3 , and includes the following steps (a) to (e).

(a) The process of raising the movable bracket B ₃ upward in advance (b) The process of carrying the curtain wall unit between the fixed bracket B ₂ and the movable bracket B ₃ (c) The process of lowering the curtain wall unit downward,
The lower groove 12 of the lower opening provided in the lower frame is
Step (d) of fitting into the fitting piece t ₂ provided on the fixed bracket b ₂ and protruding inward in the direction of the frontage (d) Lowering the movable bracket b ₃ that has been raised upwards, and protruding inward in the direction of the width provided thereon. Step (e) of fitting the fitted fitting piece _t3 into the upper groove ₁₃ of the upper opening provided in the upper frame of the curtain wall unit.
( ₁ ) In this invention, the curtain wall unit is fixed to the fixed bracket _b2 and the movable bracket b3 _.
The curtain wall unit can be easily and efficiently installed on the mullion H by loading the curtain wall unit into the mullion, lowering it downward, and lowering the movable bracket _B3 that had been raised in advance. can.

Therefore, unlike the conventional method, there is no need for the labor-intensive work of fitting the curtain wall unit between the mullions and the mullions.

(2) In the curtain wall unit according to the present invention, the lower groove 12 is fitted into the fitting piece t2 of the fixed bracket _b2 , and _the fitting piece _t3 of the movable bracket b3 is fitted into the upper groove ₁₃ . By combining
Since it is installed on the mullion H, the curtain wall unit is protected against both brackets by wind pressure or negative pressure.
There is no risk of deviation from b ₂ and b ₃ .

〔Example〕

Embodiments of the present invention will be described below with reference to the drawings.

1 to 13 show a curtain wall stretched by a tensioning method according to an embodiment of the present invention. FIG. 1 is a partial front view of the curtain wall, and FIG. 2 is a schematic longitudinal cross-sectional view of the curtain wall, which is common to multiple mullioned sections. 3 to 6 show cross sections of the main parts of FIG. 2. 7, 8, and 9 are enlarged detailed views of the _Y1 , _Y3, and _Y2 portions in FIG. 2, respectively.
10-13 are enlarged detailed views of FIGS. 3-6, respectively.

In the figure, S is a slab, G is a beam that supports this slab S, and both S and G constitute the frame of the building. H connects beam G via bracket B ₁
It is a mullion attached to the. Bracket B ₁ here refers to plate bracket 2 attached to mullion H with bolt 1 and beam G, as shown in Fig. 7.
The fastener 3 is welded to the fastener 3, and the fastener 4 is used to connect both 2 and 3 with bolts 4a and 4b.

b ₁ , b ₁ are a pair of fixed brackets attached to the left and right sides of the mullion H at positions corresponding to the slab S (the lower end of the upper waist wall part K ₁ to be described later);
b ₂ , b ₂ are a pair of fixing brackets that are similarly attached to both left and right side surfaces of the mullion H at positions corresponding to the upper end portions of the upper waist wall portion K ₁ to be described later.
The fixing brackets b ₂ and b ₂ are attached with bolts 5, as shown in FIGS. 9 and 13. Fixed brackets b ₁ and b ₁ are also attached in the same way.

b ₃ and b ₃ are a pair of movable brackets attached to the left and right sides of the mullion H at positions corresponding to the lower ends of the lower waist wall portion K ₃ to be described later, that is, to the ceiling 6. The mullion H is attached to the beam G by a bracket B ₂ and a fastener 7. The bracket _B2 and the fastener 7 are joined by welding and bolts 7a, and the fastener 7 is attached to the beam G by welding.

As shown in FIG. 8, the movable brackets b ₃ and b ₃ have bolts and nuts 9,
9, it is attached so that it can be moved up and down and positioned. In addition, as shown in FIG. 8, the movable brackets b ₃ and b ₃ are vertically moved and positioned by bolts and nuts 11 on the bracket B ₂ in a second vertically long bolt hole 10 provided therein. Possibly installed. Therefore, bolt 9
When the bolts 9 are loosened, the movable brackets b ₃ and b ₃ can be moved up and down within the range of the first bolt holes 8 and 8 relative to the mullion H, and when the bolts 9 are tightened, they can be fixed at the desired position. . In addition, when the bolt/nut 11 is loosened, the movable brackets b ₃ and b ₃ can be moved up and down within the range of the second bolt hole 10 relative to the bracket B ₂ , and when tightened, they are fixed at the desired position. can. However, when moving the movable brackets _b3 and _b3 , the bolts and nuts 9 must be loosened at the same time since the mullions H are fixed to the frame in advance.

In this embodiment, both the first bolt holes 8, 8 and the second bolt hole 10 are connected to movable brackets _b3 ,
b ₃ , but the former 8 and 8 are in mullion H, and the latter 1
0 may be provided in bracket _B2 .

In the following explanation, as shown in FIG. 2, the space between the fixed brackets b ₁ , b ₁ and the fixed brackets b ₂ , b ₂ is referred to as the upper waist wall part K ₁ , and the space between the fixed brackets b ₂ , b ₂ and the movable bracket b The space between the movable brackets _{b3 and b3} and _{the fixed} brackets _b1 and _b1 is defined as an opening _K2 .

F is the fixed bracket as shown in Figure 7.
This is a horizontal frame attached to b ₁ and b ₁ between mullions H with screws n via angle pieces p, and is used to attach a glass wall frame Ug and a panel wall Up, which will be described later. That is, this horizontal frame F has the seventh
As shown in the figure, a fitting groove 14 into which the lower fitting piece 15 of the glass wall frame Ug is fitted and a fitting groove 16 into which the upper fitting piece 17 of the panel wall Up is fitted are provided.

Um is the opening frame installed in the opening K ₂ , Ug is the glass wall frame installed in the waist wall part K ₁ , Up is the attic area K ₃
This is a panel wall erected on the wall.

The opening frame Um is a curtain wall unit according to the present invention, and is a rectangular frame consisting of upper and lower frames and left and right frames. In this example, the frame Um contains
A revolving glass door h is installed.

As shown in Fig. 9, the opening frame Um has a lower groove 12 of the lower opening provided in its lower frame with a fixing bracket.
Fit the fitting pieces t ₂ of b ₂ and b ₂ , and then lower the movable brackets b ₃ and b ₃ , which had been raised upward in advance, into the upper groove 13 of the upper opening provided in the upper frame. Then, the fitting pieces _t3 are fitted, and then the bolts and nuts 9 are tightened to be attached to the mullion H. The fitting piece t ₂ and the fitting piece t ₃ mentioned here are both provided to protrude inward in the frontage direction, as shown in FIGS. 9 and 11, respectively.

The glass wall frame Ug is carried between the opening frame Um and the horizontal frame F, lowered downward, and its upper hook-shaped locking piece 18
As shown in FIG.
5 into the fitting groove 14 of the horizontal frame F, and then attach it to the mullion H by fixing the mounting piece 15b to the horizontal frame F with the screw 15a. be.

The panel wall Up is carried between the opening frame Um and the horizontal frame F, and then raised upwards, and its upper fitting piece 17 is fitted into the fitting groove 16 of the engagement receiving frame F, and its lower mounting piece 20 is It is attached to the mullion H by fixing it to the projecting piece 21 of the upper frame of the opening frame Um with a bolt 22.

Note that c is a sealant and d is a curtain box. In addition, the lower groove 12 and the upper groove 13
And the horizontal frame F has the same length in the left and right (width) direction as the internal dimension of the mullion H.
Since it interferes with b ₁ , b ₂ , and b ₃ and cannot be attached thereto, the length in the above direction is shortened to the extent that it does not interfere.

Next, the method for installing the curtain wall will be explained step by step.

(1) Attach multiple mullions H to the beam G, which is the frame, via brackets _B1 . The spacing between the mullions H at this time is equivalent to the width of the opening frame Um. (2) Beam G
Both left and right sides of each mullion H attached to the
A pair of fixed brackets b ₁ , b ₁ are placed at a position corresponding to the slab S (the lower end of the upper waist wall part K ₁ ), and a pair of fixed brackets b 1 , b 1 are placed at positions corresponding to the upper end of the upper waist wall part K ₁ on both left and right sides. Attach a pair of fixing brackets b ₂ and b ₂ to respectively. (3) Similarly, a pair of movable brackets b ₃ and b ₃ are attached to the left and right sides of each mullion H at positions corresponding to the ceiling 6 so that they can be moved up and down and positioned using bolts 9, and both movable brackets b ₃ and b ₃ are attached to a bracket B ₂ attached to a beam G, which is a frame, via a fastener 7, so that they can be moved up and down and positioned using bolts 11. (4) Carrying the opening frame Um between the fixed brackets b ₂ , b ₂ and the movable brackets b ₃ , b ₃ that have been moved upward in advance and temporarily fastened with bolts 9, and lowering them downward; Fix the lower groove 12 with the bracket b ₂ ,
The movable brackets b ₃ and b 3 that have been raised upward are fitted into the fitting piece t 2 of b ₂ , and then the movable brackets b ₃ and b ₃ that have been raised upward are lowered, and the fitting piece t ₃ is inserted into the upper groove 13 of the opening frame Um. Fits in. Then, the movable brackets b ₃ , b ₃ are fixed to the mullion H with bolts 9 , 9 , and the movable brackets b ₃ , b ₃ and bracket B ₂ are fixed with bolts 11 . (5) Lower fitting piece 15 of the glass wall frame Ug installed on the waist wall part _K1
The horizontal frame F, which has a fitting groove 14 into which the panel wall Up is fitted and a fitting groove 16 into which the upper fitting piece 17 of the panel wall Up extending in the attic space is fitted, is attached to the fixed brackets b ₁ and b ₁ . (6) Hook the upper hook-shaped hanging piece 18 of the glass wall frame Ug disposed on the waist wall part K ₁ to the lower hanging groove 19 of the opening frame Um, and hold the lower fitting piece 15 horizontally. It is attached to the mullion H by fitting it into the fitting groove 14 of the frame F. (7) Bring the panel wall Up between the opening frame Um and the horizontal frame F, raise it upward, fit the upper fitting piece 17 into the fitting groove 16 of the horizontal frame F, and then fit the mounting piece 2
0 to the bolt 22 on the protrusion 21 of the upper frame of the opening frame Um.
Attach to mullion H by fixing with.

Note that the numbers for each of the steps above do not indicate the order of the steps. For example, before attaching the mullion H to the frame, attach the fixing brackets to it in advance.
b ₁ , b ₁ and fixing brackets b ₂ , b ₂ may be attached. This is because the positional relationship between the two brackets b ₁ and b ₁ in the mullion H is uniquely determined by the interval between the slabs S and the height of the waist wall portion K ₁ . Further, the horizontal frame F may be attached to the fixed brackets b ₁ and b ₁ before the opening frame Um is attached. opening frame
This is because Um and the horizontal frame F can be attached independently of each other.

〔Effect of the invention〕

As explained above, according to the present invention, the curtain wall unit is attached to the mullion H by vertically moving the movable bracket _b3 and the curtain wall unit, so that the curtain wall unit can be attached to the mullion H easily and efficiently. Can be installed.

Further, according to the present invention, when the curtain wall unit is attached to the mullion H, the lower groove 12 is fitted into the fitting piece _t2 of the fixed bracket _b2 ,
The movable bracket b ₃ fits into the upper groove 13 t ₃
Once fitted, there is no risk of the curtain wall unit coming off from both brackets _b2 and _b3 .

[Brief explanation of drawings]

Figure 1 is a front view of the curtain wall, Figure 2 is a schematic cross-section of Figure 1, and Figure 3 is a front view of the curtain wall.
Figures 4, 5 and 6 are -, -, - and - sectional views of Fig. 2, respectively, and Figs. 7, 8, and 9 are Y ₁ of Fig. 2, respectively. ₁₀ , ₁₁ , 12 and 13.
The figures are enlarged details of FIGS. 3, 4, 5 and 6, respectively. S...Slab, G...Beam, H...Mulled, b ₁ ,
b ₂ ... Fixed bracket, b ₃ ... Movable bracket,
B ₁ , B ₂ ... Bracket, Um ... Opening frame, Ug
...Glass wall frame, Up...Panel wall, F...Horizontal frame.

Claims (1)

[Claims] 1. A plurality of mullions H attached to the building frame at regular intervals, fixed brackets _b2 attached to both left and right sides of each mullion H, and a position above the fixed brackets _b2 . A movable bracket b3, a fixed bracket _b2 , and a movable bracket b are attached to the left and right sides of each mullion _H and the bracket _B2 fixed to the building frame using bolts and nuts in vertically long bolt holes. _3. A method for installing a curtain wall comprising a curtain wall unit attached to a curtain wall, the method comprising the following steps (a) to (e). (a) The process of raising the movable bracket B ₃ upward in advance (b) The process of carrying the curtain wall unit between the fixed bracket B ₂ and the movable bracket B ₃ (c) The process of lowering the curtain wall unit downward,
The lower groove 12 of the lower opening provided in the lower frame is
Step (d) of fitting into the fitting piece t ₂ provided on the fixed bracket b ₂ and protruding inward in the direction of the frontage (d) Lowering the movable bracket b ₃ that has been raised upwards, and protruding inward in the direction of the width provided thereon. Step (e) of fitting the fitted fitting piece _t3 into the upper groove ₁₃ of the upper opening provided in the upper frame of the curtain wall unit.
The process of fixing with bolts and nuts to B ₂