JPH0533669Y2 - - Google Patents

Description

[Detailed explanation of the invention] a. Purpose of the invention (industrial application field) The device for attaching a sash frame to the opening of a building wall made of concrete panels according to this invention is applicable to lightweight aerated concrete panels (ALC boards) and other It is used to attach metal sash frames to openings in building walls made of precast concrete panels (PC boards) without using welding methods.

(Conventional technology) In recent years, lightweight aerated concrete panels, which have excellent fire resistance and heat insulation properties, have come to be used not only for buildings but also for general housing. It became necessary to install an aluminum sash frame inside the opening in the concrete panel building wall.

For this reason, sash frames have conventionally been attached to the inside of openings in concrete panel building walls using various means and structures.

Three examples are shown in Figures 7 to 9. First, in the first example shown in Figure 7, the corners of the concrete panel 1 are completely removed to prevent them from being damaged. An angle member 3 with an L-shaped cross section is welded and fixed in advance to the reinforcing bars 2 of the concrete panel 1 so as to cover the circumference, and a sash frame 4 (Figures 7 to 9 show the lower frame, but the upper frame , the same applies to the case of a vertical frame.) A bracket 5 fitted to the concrete panel 1 is welded, and a sash frame 4 is attached to the reinforcing bar 2 of the concrete panel 1 via the angle material 3 and the bracket 5.

In addition, in the second example shown in FIG. 8, a bracket 5 is welded directly to the end of the reinforcing bar 2 exposed on the end face of the concrete panel 1, and the bracket 5 is attached to the reinforcing bar 2.
The sash frame 4 is attached via the sash frame 4.

Furthermore, if the reinforcing bars 2 to which the brackets 4 are to be welded are not exposed on the end face of the concrete panel 1, as in the third example shown in FIG. The sash frame 4 is attached to the concrete panel 1 by fixing a steel plate 7 and welding a connecting piece 8 fixed to the sash frame 4 to the steel plate 7.

(Problem that the invention aims to solve) However, the above-mentioned conventional methods and structures for attaching sash frames to openings in building walls made of concrete panels require welding work at the construction site. Become.

In the structure shown in Fig. 7, the work of welding the angle members 3 to the reinforcing bars 2 is not a particular problem because it is performed at the factory where the concrete panel 1 is manufactured. The work of welding and welding the connecting piece 8 to the steel plate 7 must be performed on site, and is a work that is disliked by workers. In other words, even in buildings using concrete panels, the steel frames are assembled on site by simply tightening bolts, and almost no welding is required. It is difficult to expect high-quality welding because it is a work that is difficult to perform.

The device of the present invention for attaching a sash frame to an opening in the wall of a building made of concrete panels eliminates the above-mentioned inconveniences and allows the sash frame to be attached to the opening without using welding means. be.

b. Structure of the invention (Means for solving the problem) The device of the invention for attaching a sash frame to an opening in a wall of a building made of concrete panels has a bracket that can be attached to the outer periphery of the sash frame, and a corner of the concrete panel. and a support that can be freely fixed to the angle member by sandwiching both ends of the angle member fixed to the angle member, and the bracket can be screwed to this support member.

Of the above-mentioned bracket and support, the bracket is provided with a connecting plate portion that projects toward the outer circumference of the sash frame when it is attached to the sash frame.

One of the supports includes a substantially L-shaped support piece with a locking part formed at one end that can be freely locked on one edge of the angle member, and the other end of this support piece that can be fixed with a screw. It consists of a claw plate that engages with the other end edge and cooperates with the locking portion to fix the support piece to the angle member. Among these, an elastically extensible spring part is provided in the middle of the support piece, and when this support piece and the claw plate that engages with the other edge of the angle member are screwed together, this spring part becomes elastic. The locking portion at one end of the support piece is elastically and firmly engaged with one end edge of the angle member. Furthermore, the connecting plate portion of the bracket is
It can be fixed to the claw piece with screws.

(Function) When attaching a sash frame to the inside of an opening using the device configured as described above for attaching a sash frame to an opening in a concrete panel building wall of the present invention, first attach the nail plate of the support. Fix it with screws to the connecting plate of the bracket attached to the outer periphery of the sash frame.

Once the claw plate is screwed and fixed to the connecting plate part of the bracket in this way, the claw plate is engaged with the other edge of the angle member exposed at the periphery of the opening in the concrete panel building wall, and the angle member is The locking piece, which has a locking portion engaged with one end edge of the locking piece, and the claw piece are fixed by screwing. By fixing with this screw, the locking part provided at one end of the locking piece strongly engages with one end edge of the angle material, and as a reaction, the claw plate fixed to the other end of the locking part engages with the edge of the angle member. As a result of the locking part and the claw plate strongly engaging with the edges of the angle member, the locking piece is fixed to the angle member, and the locking piece is fixed to the angle member through the claw piece and the bracket. The sash frame connected with the sash frame is attached to the angle member.

(Example) Next, the present invention will be explained in more detail by explaining the illustrated embodiment.

Figures 1 to 6 show an embodiment of the device of the present invention for attaching a sash frame to an opening in a building wall made of concrete panels, and Figure 1 is a side view showing the state in which the sash frame is attached, and Figure 2 3 is an exploded perspective view of the support, FIG. 3 is a sectional view taken along line A-A in FIG. 1, FIG. 4 is a perspective view of the bracket, FIG. 5 is a plan view thereof, and FIG. 6 is a side view thereof.

Of these, bracket 9 shown in Figures 4 to 6
This bracket is similar to the bracket that has traditionally been used to attach sash frames to reinforced concrete buildings.
It is disclosed in Publication No. 14540 and others. Therefore,
A brief explanation of this bracket 9 is as follows.
A notch is made in the middle of the short side of a long rectangular metal plate with arcuate edges 10, 10 on half of the short sides, and of the sections 11, 12 on both sides of this notch, the section 12 on the opposite side to the arcuate edge 10, 12, fold both sections 11,
12, the bent edges 13, 13 formed on the outer periphery of the sash frame 4 are held between them, so that the bracket 9 can be freely attached to the outer periphery of the sash frame 4.
A connecting plate portion 14 is formed by folding up the metal plate constituting this bracket 9, and this connecting plate portion 1
4, screws 15a and 15b for connecting the bracket 9 to the support piece and claw plate of the support tool, which will be described later.
(Fig. 1) can be inserted freely in the vertical direction (the vertical direction is the first
By illustration. ) are formed with two long elongated holes 16a and 16b.

One of the supports 17, as shown in FIG. 2, consists of a support piece 18 and a claw plate 19, each of which is formed by bending a metal plate having sufficient rigidity. Among these, the first support piece 18 is formed into a substantially L-shape as a whole, and has a locking portion 20 at one end.
, and a mounting plate portion 21 is formed at the other end. The above-mentioned locking part 20 is connected to the angle member 3 (first
This is to lock the angle material 3
In order to be able to engage freely with the edge of the support piece 18, the end of the support piece 18 is bent into a hook shape as shown in FIGS.
Alternatively, the end portion of the support piece 18 may be folded back into a U shape. Further, the other end of this support piece 18 is bent in the opposite direction to the above-mentioned locking part 20, that is, when it is attached to the angle member 3, at a substantially right angle in the opposite direction to the angle member 3, and is bent as a mounting plate part 21. There is. A circular hole 22 is formed in the center of this mounting plate portion 21, into which the aforementioned screw 15a can be freely inserted. Further, in a portion of the support piece 18 that is slightly closer to the center than the mounting plate portion 21, this support piece 18 is provided.
A spring portion 2 formed by curving a metal plate constituting the metal plate into an arc shape so as to protrude in the opposite direction to the angle member 3.
3 is formed.

The claw plate 19, which constitutes the support 17 together with the support piece 18 described above, can be engaged with the other edge of the angle member 3 by slightly bending its upper end toward the support piece 18. Furthermore, the lower part of the claw plate 19 is aligned with the two elongated holes 16a, 16b of the connecting plate portion 14 of the bracket 9, and is fitted with the screw 1 described above.
5a, 15b can be freely screwed into screw holes 24a, 24b
is formed.

The sash frame 4 is mounted on the angle member 3 fixed to the concrete panel 1 using the sash frame mounting device of the present invention, which is composed of the above-mentioned parts, as follows.

First, of the locking tool 18 and the claw piece 19 that make up the support 17, the claw piece 19 is inserted into the long hole 16b of the connecting plate part 14 of the bracket 9 fixed to the outer periphery of the sash frame 4. screw 15b,
It is screwed into the screw hole 15b of the claw piece 19 and fixed by tightening. The bent portion of the upper end of the nail plate 19 fixed to the bracket 9 in this manner was engaged with the other edge of the angle member 3 exposed at the periphery of the opening in the concrete panel building wall, as shown in FIG. If so, insert the circular hole 22 of the mounting plate part 21 of the locking piece 18 with the locking part 20 engaged with one end edge of this angle member 3, and the elongated hole 16a formed in the connecting plate part 14 of the bracket 9. Screw the screw 15a into the claw piece 19
The support piece 18 and the claw plate 19 are connected by screwing into the screw hole 24a and tightening.

The support piece 18 is tightened with such a screw 15a.
By the work of connecting the support piece 18 with the claw plate 19, the spring portion 23 provided in the middle of the support piece 18 is slightly expanded. Therefore, the upper part of the claw plate 19 and the locking part 13 of the support piece 18
is strongly engaged with both ends of the angle member 3 due to the elasticity of the spring portion 23, and the support 17 is firmly fixed to the angle member 3.

Therefore, the sash frame 4 with the bracket 9 attached to its outer periphery is attached to the concrete panel 1 via the angle member 3, the support 17, and the bracket 9.

Since the bracket 9 is attached to multiple locations on the outer periphery of the sash frame 4, the bracket 9 is attached to the sash frame 4 at each location.
By connecting the angle member 3 and the support member 17 via the support 17 and the bracket 9, the sash frame 4 is firmly fixed inside the opening of the concrete panel 1. The structure at each location is exactly the same in the case of the lower frame or the vertical frame, except for the upper, lower, left, and right directions that are different from that of the illustrated upper frame.

Note that the bracket 9 is not limited to the structure shown in FIGS. 4 to 6 as long as it can be easily fixed to the outer peripheral portion of the sash frame 4.
It may have a shape as shown in FIGS. 7 and 8, or it may have another shape.

c. Effects of the invention The device of the invention for attaching a sash frame to an opening in the wall of a building made of concrete panels is constructed and functions as described above, but since there is no need to perform welding work on site, construction work can be done easily. can be done easily and quickly, and workers at the site will not dislike it.

[Brief explanation of the drawing]

Figures 1 to 6 show an embodiment of the device of the present invention for attaching a sash frame to an opening in a building wall made of concrete panels, and Figure 1 is a side view showing the state in which the sash frame is attached, and Figure 2 3 is an exploded perspective view of the support, FIG. 3 is a sectional view taken along line A-A in FIG. 1, FIG. 4 is a perspective view of the bracket, FIG. 5 is a plan view, FIG. 6 is a side view, and FIG. FIG. 9 is a vertical sectional view showing three examples of conventional mounting structures. 1... Concrete panel, 2... Rebar, 3...
... Angle material, 4 ... Sash frame, 5 ... Bracket, 6 ... Anchor, 7 ... Steel plate, 8 ... Connection piece,
9... Bracket, 10... Arc edge, 11, 12
... section, 13 ... bent edge, 14 ... connecting plate section,
15a, 15b...Screw, 16a, 16b...Elongated hole, 17...Support, 18...Support piece, 19...
Claw plate, 20... Locking part, 21... Mounting plate part, 22
...Round hole, 23...Spring part, 24a, 24b...
screw hole.

Claims (1)

[Scope of utility model registration request] It consists of a bracket that can be attached to the outer periphery of the sash frame, and a support that can be fixed to the angle material by sandwiching both ends of the angle material fixed to the corner of the concrete panel. This is a device for attaching a sash frame to an opening in a wall of a building made of concrete panels, which can be freely screwed to the sash frame, and of the bracket and support, the bracket is attached to the sash frame in the direction of the outer circumference of the sash frame. The support includes a substantially L-shaped support piece having a locking part that can be freely locked to one end edge of the angle material at one end, and the other end of this support piece. It consists of a claw plate that can be fixed by screws to the angle member, engages with the other end edge of the angle member during fixation, and works in cooperation with the locking part to fix the support piece to the angle member. is provided with an elastically extensible spring part, and the connecting plate part of the bracket can be freely screwed to the nail plate.