JPH04108987A - Shutter curtain for building - Google Patents

Abstract

PURPOSE:To eliminate interlock linkage and provide a shutter of low noise by piling up connecting parts for integrated connection of each other of adjacent slats, and inclining the respective connecting parts so that outdoor side may become low and indoor side may become high. CONSTITUTION:A main slat 4 is formed into a roughly U shape, and both leg parts are turned up and bent to form hair pin groove-shaped engagement groove parts 4a, 4b. An inclined part is formed so that the indoor side of the engagement groove parts 4a, 4b may be made high and its outdoor side be made low, and at the outer side of the engagement groove parts 4a, 4b, an engagement hole 4c is drilled. A sub slat 5 is bent and also formed into a rough U-shape to form the engagement sides 5a, 5b into an inclined part, so that indoor side may be high and outdoor side be low in the same way as the above. Moreover, an engagement piece 5c is embossingly- formed so that its end may be on a fork part side and be protruded toward a side which faces both the engagement sides. The lower engagement side 5b is pressed into the upper engagement groove part 4a for engagement, and the upper engagement side 5a is pressed into the lower engagement groove part 4b for engagement and a serial of connection. As a result, a shutter curtain 1 formed in serial is wound around a winding drum 2 by elastically-deforming the sub slat 5 for curving.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a shutter curtain for buildings installed in buildings such as houses and buildings.

[Prior art and problems to be solved by the invention] Generally,
For example, shutter curtains for buildings of this type are wound around a winding drum placed above the opening, and are guided by guide rails formed on both the left and right sides of the opening to open and close in the vertical direction. It has become common to do so. By the way, the shutter curtain used for this purpose needs to be formed so that it can be curved because it is wound around a winding drum from a straight position along a guide rail, so conventionally it is formed by bending a band-shaped plate material. The slats were interlocked together to form a shutter curtain.

However, in this case, since there is inevitably a gap and play in the interlock joint, there is a problem that noise is generated when opening/closing or when exposed to wind during closing.

Therefore, attempts have been made to eliminate the gap in the interlock joint, but these methods have the problem of complicating the structure of the interlock joint, and are therefore impractical.

[Means for Solving the Problems] In view of the above-mentioned circumstances, the present invention was devised for the purpose of providing a building shutter curtain that can eliminate these drawbacks. In a building shutter curtain that opens and closes an opening in the vertical direction guided by a rail, the shutter curtain is made of a main slat 1 made of a rigid material.
and sub-slats made of an elastic material, connecting portions protruding toward the indoor side are formed on the upper and lower edges of each slat, and these connecting portions are overlapped to connect adjacent slats. In addition to integrally connecting the I/comrades, each of the connecting portions is characterized by being inclined so that the outdoor side is lower and the indoor side is higher.

With this configuration, the present invention eliminates the interlock coupling and makes it possible to obtain a low-noise shutter.

[Example] Next, an example of the present invention will be described based on the drawings. In the drawings, reference numeral 1 denotes a shutter curtain for a building shutter, which is wound around a winding drum 2 installed above an opening, and guides provided on the left and right sides of the opening. It is configured to open and close vertically while being guided by the rail 3.

The shutter curtain 1 has main slats 1 to 4 made of a rigid material such as a metal such as steel or aluminum, or a synthetic resin material used in existing shutter curtains, and a material such as spring steel or synthetic resin material. It is constructed by alternately connecting sub-slats 5 made of a material with elasticity.

In other words, in this embodiment, the main slat 4 is formed into a substantially U-shape facing indoors, and both legs are bent back toward the outdoors to form a hairpin groove shape with the outdoor side open. Fitting grooves 4a and 4b (For convenience, the upper one is called the upper fitting groove 4a, and the lower one is called the lower fitting groove 4b.
be distinguished as The fitting grooves 4a and 4b are higher on the indoor side, and
The outdoor side has a low slope. Engagement holes 4c are formed on the outer sides of the engagement grooves 4a, 4b with a pitch interval, and the length of the engagement holes 4c in the left-right direction (in the pitch A direction) length) is set to B.

On the other hand, the secondary slat 5 is bent into a substantially U-shape, and its fitting sides 5a and 5b (for convenience, the upper side is referred to as the upper fitting side 5a, and the lower side is referred to as the lower side). Fitting side 5b
be distinguished as Similar to the fitting groove portion of the main slat 4, the connecting portion (corresponding to the connecting portion of the present invention) is sloped so that it is higher on the indoor side and lower on the outdoor side. Furthermore, an engagement piece 5c is formed by stamping so that its tip is on the crotch side and protrudes toward the side opposite to the face-to-face contact side. This engagement piece 5C is
The pitch is set to be approximately half (B/2) of the length of the engagement hole 4c.

Then, the shutter curtain l connects the lower fitting side 5b of the sub slat 5 to the upper fitting groove 4a of the main slat 4 with the engaging piece 5.
c until it engages with the engagement hole 4c, and the upper fitting side 5a of the sub-slat 5 is similarly pushed and fitted into the lower fitting groove 4b to form a continuous shape. However, the shutter curtain 1 formed in a series in this way is wound around the winding drum 2 by elastically deforming the sub-slats 5 and curving them.

In the embodiment of the present invention configured as described above, the opening and closing of the opening is achieved by raising and lowering the shutter curtain 1 guided by the guide rail 3, but the shutter curtain 1 is moved by a conventional interlock connection. Unlike the case where rigid slats are connected together in a bendable manner, there is no gap between the slats, and as a result, there is no noise caused by the slats colliding with each other during opening/closing operations or when exposed to wind. The occurrence of noise can be reliably avoided, and a quiet, low-noise building shutter can be obtained. Since there is no gap between the connecting parts of the slats, it has the advantage of being excellent in fire prevention, smoke prevention, and sound insulation.

Moreover, in this case, when winding on the winding drum 2,
Since the elastic and flexible sub-slats 5 are curved instead of the rigid main slats 4, winding can be carried out in a spiral shape without any problem, similar to the conventional interlock connection.

Furthermore, in this case, the connecting ends of the 4.5 comrades to each slat 1 are not exposed outdoors, which not only improves the appearance, but also has the advantage of being highly convenient for crime prevention and rust prevention. Yes. Moreover, in this one, Fig. 4 Y, Z
As shown in the figure, since it can be bent to accommodate both forward and reverse winding methods, it can be handled in the same way as an interlocking type shutter curtain, and there is no problem.

Moreover, the fitting connections of the fitting sides 5a, 5b to the fitting grooves 4a, 4b are sloped such that the indoor side is higher and the outdoor side is lower. There is no problem of water infiltrating into the fitting connection part, and the rain can be effectively shut off.

In addition, in this case, the engagement piece 5c is fitted into the engagement hole 4c, and displacement in the left and right direction is restricted, so the slats do not shift in the left and right directions unlike in the conventional interlock connection. There is also the advantage that there is no need to attach end fittings.

It should be noted that the present invention is of course not limited to the above-mentioned embodiment, and as in the second example I11 shown in FIG. They may face each other and be connected by using appropriate fastening means such as rivets. In this case, the connecting side 6
If a and 7a are made in an inclined shape such that the indoor side is higher and the outdoor side is lower, it is possible to reliably prevent water from entering indoors.

Furthermore, patterns such as those shown in FIG. 7 (where solid lines represent main slats and broken lines represent sub-slats) may also be used. In other words, the slat surface of the main slat 4 has a substantially semicircular arc shape (Fig. 7A), and the slat surface has a substantially corrugated plate shape (Fig. 7A).
Various patterns can be applied to the slat surface, such as slat surfaces with approximately zigzag shapes (FIG. 7 C), and slat surfaces with approximately uneven surfaces (FIG. 7 D). Furthermore, those in which these patterns are applied to the side of the sub-slat 5, and those in which these various main and sub-slats are combined,
Furthermore, a sub-slat 5 is interposed between a plurality of main slats 4 (three in the drawing) connected to each other (Fig. 7E), and conversely, a sub-slat 5 is interposed between a plurality of main slats 4 connected together (three in the drawing), and conversely, a plurality of sub-slats 5 are connected together. Main slats connected (Fig. 7F), and
The @ (width in the guide rail direction, not in the direction between opposing guide rails) of each of the main and sub slats can be set arbitrarily if necessary, and the sub slat 5 is wider than the main slat 4. Various types can be adopted, including one with a wider width (Fig. 7G).

Furthermore, as shown in the pattern diagram in FIG. 8, the storage of the shutter curtain is not limited to winding the shutter curtain in a spiral shape around the winding drum as in the first embodiment described above, but instead using a spiral storage rail 8. Something that can be stored (Fig. 8A),
It can be implemented in various ways, such as one that is stored in a horizontal storage rail 9 via a curved rail from the guide rail 3 (FIG. 8B).

[Operations and Effects] In summary, since the present invention is constructed as described above, the shutter curtain has main slats made of a rigid material and sub-slats made of an elastic material. By integrally connecting the slats, it is possible to eliminate the interlocking joints that were previously required.Therefore, there is no gap between adjacent slats, and the slats do not touch each other when opening/closing or when exposed to wind. It is possible to avoid the generation of unpleasant noise caused by rubbing or collision, and the noise can be significantly reduced, making it quieter. Furthermore, since there is no gap between adjacent slats, it can greatly contribute to improving fire prevention, smoke prevention, and sound insulation.

Moreover, since the connection between adjacent slats is achieved by overlapping the connection parts that are formed to protrude toward the indoor side, the connection ends are not exposed outdoors, which is of course desirable in terms of appearance. However, it has the advantage of being very convenient for security and rust prevention, and can be bent to accommodate both forward and reverse winding methods, so it is suitable for interlocking type shutter curtains. 1゜In addition, the joints that connect adjacent slats are sloped high on the indoor side and low on the outdoor side, making it difficult to close the shutter curtain during rain, etc. The problem of water adhering to the outdoor side surface and flowing down infiltrating into the connecting part is reliably avoided, resulting in excellent rain control.

[Brief explanation of drawings]

The drawings show an embodiment of the building shutter curtain according to the present invention, in which Fig. 1 is a schematic front view of the building shutter, Fig. 2 X and Y are cross-sectional views and plan views of the main slats, Figure 3
Figures x, y, and z are side views showing the shutter curtain in a linear state, a forward winding state, and a reverse winding state, respectively, Figure 5 is an enlarged sectional view of the connecting part, and Figure 6 is a shutter curtain showing the second embodiment. The sectional views and FIGS. 7A to 7G are pattern diagrams of shutter curtains showing other embodiments, respectively, and FIGS. 8A and 8B are pattern diagrams showing the storage state of other embodiments of the shutter curtain. In the figure, 1 is a shutter curtain, 2 is a winding drum, 3
4 is a guide rail, 4 is a fitting groove for the main slats 1-14a and 4b, 5 is for the sub-slat 1, and 5a and 5b are fitting sides.

Claims (1)

[Claims] In a shutter curtain for a building that opens and closes an opening in the vertical direction guided by a vertical guide rail, the shutter curtain is made of a main slat made of a rigid material and an elastic material. connecting portions protruding toward the indoor side are formed on the upper and lower edges of each of the slats, and these connecting portions are overlapped to integrally connect adjacent slats, Furthermore, the shutter curtain for a building is characterized in that each of the connecting parts is inclined so that the outdoor side is lower and the indoor side is higher.