JP2022028963A - Guide rail of shutter device for architecture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance strength of a guide rail 3 guiding lifting and lowering of a shutter curtain 2 which opens and closes an opening E as well as to enable it to be easily shaped.

SOLUTION: A guide rail 3 comprises a groove-bottom piece part 3a constituting a groove-back piece of a guide groove X, and a first and a second groove-side piece parts 3b, 3c in a front-back direction constituting a front-back groove-side piece of the guide groove X. The guide rail 3 is made of an extruded mold material where the groove-bottom piece part 3a, the first and the second groove-side piece parts 3b, 3c in the front-back direction, and corner parts 3i, 3j in the front-back direction to connect the groove-bottom piece part 3a and the first and the second groove-side piece parts 3b, 3c in the front-back direction are unified by extrusion molding of a steel material.

SELECTED DRAWING: Figure 6

COPYRIGHT: (C)2022,JPO&INPIT

Description

The present invention relates to the technical field of a guide rail in a building shutter device installed in an opening such as an entrance / exit of a building.

Today, it is widely adopted to install a building shutter device that opens and closes the opening by moving the shutter curtain up and down on the guide rails provided on both the left and right sides of the opening at the opening such as the entrance. Has been done. In general, when such a building shutter device is installed in an opening of a large building such as a building, the frontage of the opening is large (wide) in both left-right width and vertical height. A large and strong architectural shutter device (so-called heavy-duty shutter device) will be provided.
By the way, it is required that such a large-scale architectural shutter device be designed to withstand a large load such as 1000 to 2000 N / m ² on the assumption that it will be subject to strong winds when the weather deteriorates such as a typhoon. Will be done. In a building shutter device, when such a strong wind is received, the shutter curtain bends inward and outward, but when the amount of this bending becomes large, the left and right edge portions of the shutter curtain come off from the guide rail (get out). Therefore, windproof members (for example, windproof hooks) are provided on the left and right edges of the shutter curtain, and when the shutter curtain bends, the windproof member engages with the locking portion provided in the guide rail. It is configured to prevent the shutter curtain from being pulled out from the guide rail by stopping it (see, for example, Patent Document 1).
In this case, the guide rail is also subject to the load due to the bending of the shutter curtain, so it is necessary to configure it with sufficient strength, and in a building shutter device (for example, a lightweight shutter device) that does not require so much strength. It is said that it is difficult to use guide rails made of aluminum molds, such as guide rails made by bending steel plates (or stainless steel plates), which are insufficient in strength. There's a problem.

Japanese Unexamined Patent Publication No. 8-158765

Therefore, in the conventional one, two strong (thick) L-shaped or 凵 -shaped mold materials are integrally fixed by welding, etc., and the locking portion is welded in the rail groove to provide strength. I am trying to form a guide rail with a. In such a case, in order to install a building shutter device in an opening with a high frontage height (height of the opening), a long guide rail itself is required, and such a long guide rail is used. Even if two mold materials are connected and integrated by welding, etc., the two members are inevitably connected. Therefore, in order to secure the required strength, the welded parts should be continuous or the distance between the welded parts should be narrowed. Not only is it necessary to do this, but there is also the problem that welding work is time-consuming, and the welding strain that occurs also increases, so that the welding strain can be corrected (corrected) to make the guide rail straight. There is a problem that workability is inferior due to time and effort, and these are problems to be solved by the present invention.

The present invention has been created for the purpose of solving these problems in view of the above circumstances, and the invention of claim 1 is a shutter curtain that opens and closes an opening such as an entrance / exit, and the opening. In a building shutter device provided with a guide rail provided on both the left and right sides of the shutter curtain and having a guide groove for guiding the opening and closing of the shutter curtain, the guide rail is used as a groove forming a groove inner piece of the guide groove. When the bottom piece and the front and rear groove side pieces constituting the front and rear groove side pieces of the guide groove are provided, the guide rail is provided with the groove bottom piece, the front and rear groove side pieces, and the groove bottom piece. It is a guide rail in a building shutter device, characterized in that the front and rear corner portions connecting the front and rear groove side pieces are formed of an extruded mold material integrated by extruding a steel material.
According to the second aspect of the present invention, one groove-side piece is extruded with an extension piece extending toward the left-right intermediate portion of the other groove-side piece integrated by extrusion molding of the steel material. It is characterized in that it is formed as a mold material, and the tip edge portion of the extending piece portion is configured as a locking portion that locks to prevent the shutter curtain from coming off from the guide groove of the shutter curtain that has been bent due to strong wind. It is a guide rail in the building shutter device according to claim 1.
The invention of claim 3 is the guide rail in the architectural shutter device according to claim 2, wherein the locking portion is formed in a square shape of 90 degrees.

According to the first aspect of the present invention, the groove bottom piece portion constituting the guide rail, the front and rear groove side pieces, and the front and rear corner portions connecting these are integrally extruded from the steel material and connected by welding or the like. It is possible to make the film thick and strong without a portion without the need for work to correct welding strain.
According to the second aspect of the present invention, even the locking portion that is locked to prevent the shutter curtain from coming off from the guide groove of the shutter curtain that has been bent due to the strong wind is integrally molded by extrusion molding the steel material. It can be made into a product with excellent strength and high wind resistance.
According to the third aspect of the present invention, the locking portion for preventing the shutter curtain from coming off is formed in a 90-degree square shape, so that the locking can be reliably performed.

It is a perspective view of the shutter device for architecture. It is a schematic vertical sectional view of a shutter device for a building. (A) and (B) are side views and front views of the guide rails shipped from the factory. It is a horizontal cross-sectional view which shows the state which the guide rail is attached and fixed to a support. It is a horizontal cross-sectional view of the guide rail assembled in the state of being shipped from the factory. It is a top view of a guide rail. (A), (B), (C), (D), and (E) are a front view, a side view, a rear view, a plan view, and a bottom view of the upper end portion of the guide rail. (A), (B) and (C) are a side view, a plan view, and a rear view of the first guide. (A), (B) and (C) are a side view, a plan view and a front view of the second guide. It is a horizontal sectional view of the guide rail part which shows the relationship between a shutter curtain and a guide rail in a normal state. It is a horizontal cross-sectional view of the guide rail part which shows the relationship between a shutter curtain and a guide rail in a state of bending by receiving a strong wind of positive pressure. It is a horizontal cross-sectional view of the guide rail part which shows the relationship between a shutter curtain and a guide rail in a state of bending by receiving a strong wind of a negative pressure.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawing, reference numeral 1 denotes a heavy-duty building shutter device installed in an opening E such as an entrance / exit of a building or the like, and the building shutter device 1 has a wall thickness of, for example, 1 mm or more. A shutter curtain 2 that is continuous (connected) in a flat plate shape using the slats 2a of the above, and a guide groove that is attached and fixed to the skeleton side while being located at both left and right ends of the opening E and guides the raising and lowering of the shutter curtain 2. The left and right guide rails 3 on which the X is formed, the take-up drum 4 housed above the ceiling surface H and the shutter curtain 2 are wound around, the opening / closing machine 5 for rotationally driving the take-up drum 4, and the like. It is configured by using various member devices, and the shutter curtain 2 is moved up and down based on the forward and reverse drive of the switch 5 based on the open / close control command input from the lift operation switch SW and the like. , The opening and closing control of the opening E is performed, and the like are all the same as before.
It should be noted that the left and right end edges of the shutter curtain 2 extend (project) outward in the left-right direction from the left and right end edges, and will be described later when the shutter curtain 2 is curved due to a strong wind. A windproof hook 2b for locking to the guide rail 3 side to prevent the shutter from being pulled out is provided with an appropriate interval in the vertical direction in a state of being bent toward the outdoor side.

The guide rail 3 employs a mold material integrally formed by extrusion molding (hot extrusion molding) of a steel material (steel), and the guide rail 3 has a groove bottom piece that is the inner end of the groove of the guide groove X. It is configured to include a portion 3a and a pair of first and second groove side piece portions 3b and 3c in the front-rear direction from the groove bottom piece portion 3a to the groove opening end portion of the guide groove.
The first groove side piece portion 3b is arranged on the indoor side in the present embodiment, and the thickness (for example, 8 mm) from the groove opening end portion Xa of the guide groove X to the groove bottom piece portion 3a is It is formed in a flat surface (flat plate surface) such as 10 mm.

On the other hand, the second groove side piece 3c is arranged on the outdoor side, and is the opening side piece 3d extending from the groove opening end Xa to the intermediate position in the groove depth direction, and the opening side piece. The groove bottom piece from the intermediate side extending piece portion 3e extending outward from the groove inner end of the portion 3d and the tip edge portion (front-back direction outer end edge portion) of the intermediate side extending piece portion 3e. By providing the groove back side piece 3f leading to the portion 3a, the guide groove X has the groove width of the groove back side piece 3f outward in the front-rear direction with respect to the groove width of the opening side side piece 3d. Expanded, in other words, the groove width of the guide groove X on the groove inner portion Xb side from the intermediate side extending piece portion 3e to the groove bottom piece portion 3a is outward in the front-rear direction from the groove width on the groove opening end Xa side. It has a wide rail shape (a wide dovetail groove shape on the back side of the groove).
Further, from the groove opening end Xa of the opening side piece 3d, the opening side extending piece extending outward in the front-rear direction with a gap Y in the left-right direction with respect to the groove back side piece 3f. Although the portion 3g is formed, the tip portion 3s of the opening side extending piece portion 3g is set to be substantially at the same position as the outer side (groove outer side) surface portion of the groove inner side piece portion 3f. There is.

Further, in this case, the guide rail 3 has a groove inner corner portion 3h between the intermediate side extending piece portion 3e and the groove inner side piece portion 3f, and a groove inner corner portion between the groove inner side piece portion 3f and the groove bottom piece portion 3a. The portion 3i and the groove inner corner portion 3j of the first groove side piece portion 3b and the groove bottom piece portion 3a are formed in an arc shape (R shape) having a larger wall thickness and a larger diameter than the flat surface portion. The groove outer corner 3k between the opening side piece 3d and the intermediate extending piece 3e, and the groove outer corner 3l between the opening side piece 3d and the opening side extending piece 3g are also thick circles. It is formed in an arc shape (R shape).
On the other hand, the groove inner corner portion 3m between the opening side piece portion 3d and the intermediate side extending piece portion 3e, and the groove inner side (groove opening end portion Xa) between the opening side side piece portion 3d and the opening side extending piece portion 3g. Side) Corner portion 3n, groove outer corner portion 3o between the groove inner side piece portion 3f and the groove bottom piece portion 3a, groove outer corner portion 3p between the first groove side piece portion 3b and the groove bottom piece portion 3a, and the intermediate side extension. The groove outer corner portion 3q of the one portion 3e and the groove inner side one portion 3f has a small-diameter arc shape (arc shape of about chamfering) and is set to have a square shape of almost 90 degrees.
Further, the edge portion (tip portion) 3r on the groove opening end portion Xa side of the first groove side piece portion 3b has a semi-circular shape, and the tip portion 3s of the opening side extending piece portion 3g has a small diameter at the left and right corners. It has a square shape of almost 90 degrees, which is an arc shape, and the end face is flat.

In the present embodiment, in the guide rail 3, the first groove side piece 3b faces the indoor side, the second groove side piece 3c faces the outdoor side, and the second groove side piece 3c faces the skeleton side. It is configured to be attached and fixed to the support column (frame side attachment member) 6 provided in the above, and this configuration will be described below.

As described above, the guide rail 3 uses a mold material integrally formed by extrusion molding a steel material, but the guide rail 3 is processed as follows and shipped from the factory. It is set to be carried to the construction site. In the present embodiment, in the guide rail 3, the first groove side piece 3b is located on the indoor side, the second groove side piece 3c is located on the outdoor side, and the second groove side piece 3c is located on the outdoor side. The structure is such that the groove bottom piece 3a is attached and fixed to the prospective surface portion 6a of the support column 6 and the groove bottom piece portion 3a is attached and fixed to the indoor side finding surface portion 6b of the support column 6, but the guide rail 3 of the present invention is limited to this. Instead, for example, on the contrary, the first groove side piece 3b can be mounted on the outdoor side and the second groove side piece 3c can be mounted on the indoor side. Needless to say, it can be carried out as appropriate.

Next, reference numeral 7 denotes a mounting material to be mounted and fixed to the guide rail 3 in order to mount and fix the guide rail 3 on the skeleton side, and the mounting material 7 is L having an upper piece 7a and a vertical piece 7b. It is made of a shaped steel material, and the vertical piece 7b is the tip of the groove outer surface portion (front-back direction outer side surface portion, outdoor side surface portion) and the opening side extension portion 3g of the groove inner side piece portion 3f. It is fixed (welded) by welding with a gap Y in the vertical direction with a gap Y between the portions 3s.

Further, 8 is a rail-side first decorative plate, 9 is a rail-side second decorative plate, and these decorative plates 8 and 9 are surface portions that can be seen from the outside of the guide rail when the guide rail 3 is attached and fixed to the skeleton side. That is, it is attached to cover (cover) the exposed surface portion.
One of the rail-side first decorative plates 8 covers the exposed surface portion on the first groove side piece portion 3b side, and the edge portion 3r of the first groove side piece portion 3b is widened to the indoor side (first). The prospective surface portion 8a covered with the groove side piece 3b located outside (indoor side) from the groove outer surface (indoor side surface) position, and the prospective surface portion 8a facing outward in the left-right direction from the indoor side end portion. The first groove side piece 3b is bent toward the outdoor side from the finding surface portion 8b that covers the first groove side piece 3b with a gap, and the left-right outer end portion of the finding surface portion 8b. The support surface portion 8c that is abutted and supported by the L-shaped mounting bracket 10 provided on the outer surface portion on the groove inner side of the groove side piece portion 3b, and the outdoor side edge portion of the support surface portion 8c are directed outward in the left-right direction. It is configured to be provided with a mounting surface portion 8d which is bent and fixed to the first decorative plate 16 on the skeleton side, which will be described later, via a screw 11.
Further, the rail-side first decorative plate 8 is directed outward from the outdoor side edge portion of the prospective surface portion 8a (the groove inner side of the guide groove X) so as to be along the groove inner side surface of the first groove side piece portion 3b. The groove inner side surface portion 8e is provided, and the groove inner side surface portion 8e is bent in an obtuse angle so that the groove inner side surface portion 8e reaches the groove inner portion Xb and avoids the corner portion 3j with the groove bottom piece portion 3a. A groove bottom portion 8g is formed so as to extend outward in the front-rear direction and reach the groove bottom piece portion 3a in a state of passing through the curved curved surface portion 8f.
With this configuration, the rail-side first decorative plate 8 is not only on the exposed surface on the outdoor side of the first groove-side piece 3b, but also in the guide groove X that is visually recognized when looking into the guide groove X. It covers the inner side surface of the groove and the bottom surface portion 3a of the groove of the first groove side surface portion 3b.
Incidentally, the rail-side first decorative plate 8 is configured to penetrate into the guide groove X, and in this case, it is configured to be wide from the groove inner side surface portion 8e to the groove bottom surface portion 8g. Of course, it is not limited to the above, and it is sufficient if it covers the surface exposed to the indoor side (the surface exposed to the outside and visible), but the curved surface portion 8f or more is sufficient. It is also possible that there is no such thing, that is, only the inner side surface portion 8e in the groove. In this case, if the left-right width of the groove inner side surface portion 8e is set to the width to the tip portion fitted into the guide groove X of the shutter curtain 2, the groove width of the guide groove X becomes narrow and the shutter curtain 2 In addition to ensuring that the windproof hook 2b is locked in place when it bends due to strong wind, the surface of the shutter curtain 2 does not come into direct contact (sliding contact) with the inner surface of the groove of the guide rail 3. It is possible to prevent the surface of the shutter curtain 2 from being damaged or, if the shutter curtain 2 is painted, to prevent the painted (coating film) surface from peeling off at an early stage, and to reduce the sliding resistance. It will be possible to exert the effects such as being able to do it. The same applies to the rail-side second decorative plate 9 described later.

On the other hand, the other rail-side second decorative plate 9 covers the exposed surface portion on the second groove side piece portion 3c side, and the opening side extending piece portion from the groove opening end portion of the opening side side piece portion 3d. A prospective surface portion 9a that reaches the exposed surface (inner side surface of the opening) of 3 g and further covers the exposed surface (inner side surface of the opening portion) of the mounting material 7, and the prospective surface portion 9a from the outdoor side end portion toward the outside in the left-right direction. It is bent and is bent toward the indoor side from the finding surface portion 9b that covers the inner portion of the opening of the indoor side finding surface of the mounting material 7 and the left-right outer end portion of the finding surface portion 9b, which will be described later. It is configured to include a mounting surface portion 9c that is mounted and fixed to the second decorative plate 17 on the skeleton side via a screw 11.
Further, the rail-side second decorative plate 9 is folded from the indoor end edge of the prospective surface portion 9a toward the lateral side (the groove inner side of the guide groove X) along the groove inner side surface of the opening side side piece 3d. A curved groove inner side surface portion 9d is provided, and the groove inner side surface portion 9d is bent at the groove inner corner portion 3m with the intermediate side extension portion 3e so as to be along the groove inner surface of the intermediate side extension portion 3e. A folded curved surface portion 9e is provided.
Incidentally, the mounting of the first and second decorative plates 8 and 9 on the rail side to the guide rail 3 side is an appropriate mounting member such as a double-sided adhesive tape or an adhesive on the contact surface (contact surface) with the guide rail 3. It can be attached using.

Then, the left and right edge portions of the shutter curtain 2 are fitted in the guide rail 3 configured in this way in a loose-fitting manner, and the shutter curtain 2 is moved up and down to open and close the opening E. A windproof hook (an example of a windproof member) 2b is provided at both left and right edge portions with a gap in the vertical direction (a state in which the slats 2a are attached in the vertical direction), and the windproof hook 2b is wide. In the groove inner portion Xb of the guide groove X, the tip portion protruding from the slat 2a is bent in a dogleg shape toward the outdoor side, that is, the groove inner side side piece portion 3f side.
When the shutter curtain 2 is in a normal state (flat state) without bending in the closed posture, the left and right edge portions of the shutter curtain 2 are located closer to the groove depth side than the intermediate side extending piece portion 3e and are windproof hooks. 2b is in a loose fitting posture that does not contact (interfere with) the guide rail 3, and is set so as not to affect the vertical movement of the shutter curtain 2.

On the other hand, when the shutter curtain 2 in the closed posture is bent in the front-rear direction (inward / outward direction) due to a strong wind due to the influence of a typhoon or the like, the windproof hook 2b is attached to the opening side piece of the intermediate side extending piece portion 3e. The shutter curtain 2 is set to be locked from the guide groove X of the shutter curtain 2 by being locked to the end portion on the groove inner corner portion 3m side with the portion 3d.
Specifically, when the shutter curtain 2 receives a strong wind from the outdoor side and bends to the indoor side (when the shutter curtain 2 receives a strong wind from the outside and the pressure is positive), the indoor side surface of the shutter curtain 2 is first. The end edge portion 3r of the groove side piece portion 3a is in contact with the groove inner end edge, and the outdoor side end edge is in contact with (or close to) the opening side side piece portion 3d. The stop hook 2b is engaged with the groove inner corner portion 3m side end portion of the intermediate side extending piece portion 3e, so that the shutter curtain 2 is released.

On the other hand, when a strong wind is pulled and the outdoor side becomes a negative pressure with respect to the indoor side and the shutter curtain 2 bends to the outdoor side (when pulled by a strong wind, when the pressure is negative). In the shutter curtain 2, the outdoor side surface abuts on the groove inner side (groove opening end Xa side) corner portion 3n between the opening side groove side piece portion 3d and the opening side extending piece portion 3g, and the indoor side edge is on the first side. An inclined state is reached in contact with (or close to) the groove inner surface 3t of the single portion 3b, and the locking hook 2b is locked to the groove inner corner portion 3m side end portion of the intermediate side extending piece portion 3e due to this inclined state. The shutter curtain 2 will be removed.
In the case where the present invention is carried out in this way, the windproof hook 2b is engaged with the intermediate side extending portion 3e integrally formed by extrusion molding, so that the shutter curtain 2 is pulled out from the guide groove X. However, in the present embodiment, since the folded curved surface portion 9e of the rail side second decorative plate 9 is provided up to the intermediate side extending piece portion 3e, the folded curved surface portion 9e is provided. The windproof hook 2b is engaged, and the load at this time acts on the intermediate side bent piece portion 3e.

Further, an upper guide for guiding the shutter curtain unwound from the take-up drum 4 to the guide rail 3 is provided at the upper end of the guide rail 3, and the upper guides are the first guide 12 and the second guide. It is configured as a two-divided type using 13 and.

The first guide 12 is provided at the upper ends of the first groove side piece 3b, the groove bottom piece 3a, and the groove back side piece 3f, and the first, second, and third guide pieces 12a, 12b, 12c are provided. It is bent into a U-shape (7-shape) in a plan view so that the lower end edge of the first guide piece 12a is welded (welded) to the upper end edge of the first groove side piece 3b. The lower end edge of the second guide piece 12b is welded to the upper end edge of the groove bottom piece 3a, and the lower end edge of the third guide piece 12c is welded to the upper end edge of the groove back side piece 3f. The first guide 12 is attached and fixed to the guide rail 3 by welding, and the upper half of the first, second, and third guide pieces 12a, 12b, and 12c are outward in the front-rear direction or the left-right direction. The lower half of the film is bent in a curved shape and has a flat plate shape to swallow the shutter curtain 2 and guide it to the guide rail 3. However, in the present embodiment, the first The flat plate-shaped lower half portion 12d of the guide piece portion 12a is set so as to be retracted outward in the front-rear direction from the groove inner surface 3t of the first groove side piece portion 3b. The flat plate-shaped lower half portions 12e and 12f of the guide pieces 12b and 12c are set so as to be substantially flush with the groove inner surfaces 3u and 3v of the groove bottom piece 3a and the groove inner side piece 3f.

The lower half portion 12d of the first guide piece portion 12a is provided with a spacer 14 so as to be flush with the groove inner surface 3t of the first groove side piece portion 3b or slightly projecting from the groove inner surface 3t. In the present embodiment, the spacer 14 has a groove opening slightly larger than the range from the groove opening end portion Xa to the groove inner portion Xb of the guide groove X, that is, the groove inner surface 3w position of the intermediate side extending portion 3e. It is provided up to the range up to the end side (substantially the range of raising and lowering the left and right end edges of the guide rail 3).
On the other hand, a guide plate 15 curved in an arc shape so as to project outward in the front-rear direction while being located above the spacer 14 is attached and fixed to the upper half portion 12g of the first guide piece portion 12a. However, the guide plate 15 is formed of a resin material (for example, a resin material selected when necessary such as a high-density polyethylene resin material, a fluorine-based resin material, a silicone-based resin material, etc.), whereby the shutter curtain 2 is formed. When the curtain surface is in sliding contact, it is possible to prevent the coating film (painting) on the shutter surface from peeling off or being damaged, and consideration is given to improving slipperiness and reducing sliding resistance. However, the guide surface 15a on the guide groove X side is located inside the groove with respect to the groove inner surface 3t of the first groove side piece portion 3b, with respect to the groove inner side surface portion 8e of the rail side first decorative plate 8. The indoor side surface of the shutter curtain 2 unwound from the take-up drum 4 is set to be flush with the surface or slightly protrude inside the groove, so that the first groove side piece 3b (or the rail side first decorative plate) The shutter curtain 2 is guided in a state where it is not caught (contacted) with the upper end edge of the groove inner side surface portion 8e) of 8.

Further, the second guide 13 is provided at the upper end portion of the opening side piece portion 3d, and is configured to include the guide piece portion 13a extending upward from the upper end edge portion of the opening side groove side piece portion 3d. The lower half portion 13b of the guide piece portion 13a is provided with the same spacer 14, and the upper half portion 13c of the spacer 14 is similarly the same as described above. The shutter curtain is set so as to be flush with the groove inner side surface portion 9d of the rail-side second decorative plate 9 and slightly project to the inside of the groove, whereby the shutter curtain is unwound from the take-up drum 4. Guide the shutter curtain 2 in a state where the outdoor side surface of 2 is not caught (contacted) with the upper end edge of the opening side side piece 3d (or the groove inner side surface part 9d of the rail side second decorative plate 9). It has become.
Moreover, the second guide 13 is provided in a state of being separated from the first guide portion 12, so that the lower half portion 13b and the upper half portion 13c of the second guide 13 are divided into the third guide piece portion 12c. On the other hand, the first and second guides 12 and 13 are provided with a gap in the front-rear direction, that is, the first and second guides 12 and 13 correspond to the guide piece portion provided at the upper end edge portion of the intermediate side extension piece portion 3e. As described above, when the shutter curtain 2 is lowered, the windproof hook 2b is the upper end edge portion of the intermediate side extending piece portion 3e (or the folded curved surface portion 9e of the rail side second decorative plate 9). In order to avoid this, the groove back end edge portion 13d of the second guide 13 has a groove inner surface 3w (or a folded curved surface of the rail side second decorative plate 9) of the intermediate extending piece portion 3e. It is set to project flush with the portion 9e) or slightly inward of the groove.

In the present embodiment, the guide rail 3 has a mounting material 7, a rail-side first, second decorative plate 8, 9, mounting bracket 10, and a first guide 12 and a second guide 13 attached (guide). It is assembled at the factory as a rail assembly (rail assembly, guide rail assembly), and this product is carried (transported) to the site.
Needless to say, assuming that the guide rail 3 is factory-assembled in this way, a member such as a guide roller for guiding the shutter curtain 2 can be attached as necessary.

Next, a configuration will be described in which the conveyed guide rail 3 is assembled and fixed to the support column 6 which is a member on the skeleton side. In the present embodiment, the guide rail 3 is assembled and fixed to the prospective surface portion 6a of the support column 6 and the finding surface portion 6b on the indoor side, but the guide rail 3 is attached to the skeleton side of the opening E. The skeleton-side first decorative plate 16 provided on the skeleton side in a state of being continuous to the outside in the left-right direction, and the skeleton-side second decorative plate 17 forming a prospective surface on the outdoor side of the guide rail 3 portion of the opening E. It is provided.
The skeleton-side first decorative plate 16 has a prospective piece portion 16a fixed to the indoor side finding surface portion 6b of the support column 6 via a mounting bracket 16c, and a screw 11 on the mounting surface portion 8d of the rail-side first decorative plate 8. It has an L-shape in a plan view including a finding surface portion 16b on which a mounting surface portion 16d to be mounted and fixed via the mounting surface portion 16d is formed.
Further, the skeleton-side second decorative plate 17 has a mounting surface portion 17b formed on the mounting surface portion 9c of the rail-side second decorative plate 9 via a screw 11 and is expected to form a prospective surface of the opening E. It is configured to include a face portion 17a.

Reference numeral 18 is a first connecting material, and the first connecting material 18 is made of an L-shaped steel material in a plan view, and a piece 18a is welded to the indoor side finding surface portion 6b of the support column 6.
The guide rail 3 brought into the site is attached and fixed by welding the other piece 18b of the first connecting member 18 and the groove bottom piece portion 3a of the guide rail 3, and is attached and fixed to the upper piece 7a of the attachment member 7. It is attached and fixed to the prospective surface portion 6a of the support column 6 via a second connecting member 19, and further, the rail side first decorative plate 8 and the skeleton side first decorative plate 16 are connected by screws 11 to the rail side. By connecting the second decorative plate 9 and the second decorative plate 17 on the skeleton side via the screw 11, the second decorative plate 9 can be attached to the skeleton side.

In the present embodiment configured as described above, a guide groove X is formed to guide the shutter curtain 2 for opening and closing the opening / closing opening E such as the entrance / exit of the skeleton and the shutter curtain 2 for partitioning the indoor and outdoor areas. The guide rail 3 is a mold material integrally formed by extrusion-molding a steel material, and the integrally formed guide rail 3 has a groove bottom piece portion 3a which is the inner end of the groove of the guide groove X and the groove. A pair of front and rear first and second groove side pieces 3b and 3c extending from the bottom piece 3a to the groove opening end Xa on the left side of the guide groove are formed, and in this case, the first groove side piece. The portion 3b is formed in a planar shape from the groove opening end portion Xa to the groove bottom piece portion 3a, and the second groove side piece portion 3b is the opening side side extending from the opening end of the guide groove X to the intermediate position in the groove depth direction. One part 3d, an intermediate side extension piece part 3e extending from the groove inner end of the opening side side piece 3d toward the outdoor side (outward in the front-rear direction), and the intermediate side extension piece part 3e. It is formed as having a groove back side piece portion 3f extending from the tip edge portion (outdoor side end edge portion) to the groove bottom piece portion 3a.

By forming the guide rail 3 in this way, the groove width of the guide groove X on the groove inner side from the intermediate side extending piece portion 3e to the groove bottom piece portion 3a is wider in the front-rear direction and outward than on the groove opening side. In other words, it has a dovetail groove-shaped rail shape with a wide groove on the back side, so that when the shutter curtain 2 bends due to a strong wind, the shutter is applied to the intermediate side extension piece 3e. The windproof hooks 2b provided on the left and right edge portions of the curtain 2 are locked, so that the shutter curtain 2 is pulled out from the guide groove X.
In this case, the guide rail 3 itself is an integral piece obtained by extruding a steel material and is thick and strong without a connecting portion by welding or the like to correct welding strain. In particular, the guide rail 3 can be provided so that the groove width of the guide groove X on the inner side of the groove from the intermediate side extending piece 3e to the groove bottom piece 3a is outward in the front-rear direction from the groove opening side. The rail shape is widened, and the intermediate side extension piece portion 3e is a locking portion in which the windproof hook 2b is locked to increase the strength for retaining the shutter curtain 2. The wind resistance of the shutter curtain 2 can be improved.

Further, in this case, the guide rail 3 has a groove inner corner portion 3h between the intermediate side extending piece portion 3e and the groove inner side piece portion 3f, and a groove inner corner portion between the groove inner side piece portion 3f and the groove bottom piece portion 3a. The 3i and the groove inner corner portion 3j of the first groove side piece portion 3b and the groove bottom piece portion 3a are both formed in an arc shape in a thicker state than the flat portion provided on the first groove side piece portion 3b or the like. By doing so, while the strength of the guide rail 3 itself can be reliably measured, the groove inner corner portion 3m between the opening side piece portion 3d to which the windproof hook 2b is locked and the intermediate side extending piece portion 3e is 90 degrees. Since the square shape can be formed, the windproof hook 2b is securely locked and the windproof performance is improved.

Further, in this case, the opening side extending piece portion 3g extending outward (outdoor side) in the front-rear direction is further integrally formed at the groove opening end portion Xa of the second groove side piece portion 3c. However, the tip portion 3s of the opening side extending piece portion 3g and the outer side surface portion of the groove inner side piece portion 3f are attached and fixed to the support column 6 which is a skeleton side member with the attachment member 7 interposed therebetween. Therefore, when the guide rail 3 is for attaching and fixing the groove back side piece 3f to the support column 6, the groove back side piece 3f is not only the groove back side piece 3f. The opening side extending piece portion 3g on the groove opening side is also attached and fixed to the support column 6, so that the attachment strength to the skeleton side can be improved.
Moreover, in this case, since the structure is such that a gap Y is provided between the groove back side piece 3f and the opening side extension piece 3g, the mounting material 7 is the groove back side piece. Since the 3f and the opening side extending piece portion 3g are provided in a crosslinked shape, the weight of the guide rail 3 can be reduced, and the mounting strength of the mounting material 7 to the guide rail 3 is not impaired.

Moreover, since the tip portion 3s of the opening side extending piece portion 3g extends to substantially the same position as the outer side surface portion of the groove inner side piece portion 3f, the guide rail 3 is opened when it is attached and fixed to the support column 6. Workability is improved because the tip portion 3s of the side extending piece portion 3g and the outer side surface portion of the groove inner side piece portion 3f can be mounted in a flush state (flat state).

Further, even if the guide rail 3 is a mold material formed by extrusion molding a steel material as described above, the outer surface of the guide rail 3 exposed in a state of being attached to the skeleton side is the first and second decorative plates 8 on the rail side. Since it is covered with 9 and 9, the appearance is not impaired.

It should be noted that the present invention is not limited to the above-described embodiment, and in the present embodiment, the second groove side piece portion 3c is attached and fixed to the skeleton side, but conversely, the second It can also be carried out by attaching and fixing the one-groove side piece 3b to the skeleton side. Further, although the first and second decorative plates 8 and 9 on the rail side are configured to slide and guide the shutter curtain 2 so as to enter the guide groove X, the configuration may not enter the guide groove X. can.

INDUSTRIAL APPLICABILITY The present invention can be used as a building shutter device installed in an opening such as an entrance / exit of a building or the like.

1 Architectural shutter device 2 Shutter curtain 2b Windproof hook 3 Guide rail 3a Groove bottom piece 3b First groove side piece 3c Second groove side piece 3d Open side side piece 3e Intermediate side extension piece 3f Groove back side One side 3g Opening side extension piece 3h Groove inner corner 3i between the middle side extension piece 3e and the groove back side piece 3f Groove inner corner part 3i between the groove back side piece 3f and the groove bottom piece 3a 3j Groove inner corner between the first groove side piece 3b and the groove bottom piece 3a 3s Tip of the extension piece on the opening side 6 Strut 6a Expected surface part 6b Indoor side finding surface part 7 Mounting material 8 Rail side first decorative plate 9 Rail side second decorative plate 12 1st guide 12a 1st guide piece 12b 2nd guide piece 12c 3rd guide piece 13 2nd guide 14 Spacer 15 Guide plate 16 Frame side 1st decorative plate 17 Frame side 2nd decorative Plate E Opening X Guide groove Xa Groove opening end Y Gap

Claims (3)

In an architectural shutter device provided with a shutter curtain that opens and closes an opening such as an entrance and exit, and a guide rail provided on both the left and right sides of the opening and formed with a guide groove for guiding the opening and closing of the shutter curtain.
The guide rail is configured to include a groove bottom piece portion constituting the groove inner piece of the guide groove and a front and rear groove side piece portion constituting the front and rear groove side pieces of the guide groove.
The guide rail is formed of an extruded mold material in which the groove bottom piece, the front and rear groove side pieces, and the front and rear corners connecting the groove bottom piece and the front and rear groove side pieces are integrated by extrusion molding of steel material. A guide rail in a building shutter device characterized by being In one groove-side piece, an extension piece extending toward the middle portion in the left-right direction of the other groove-side piece is formed as an integrated extruded mold material by extrusion molding of the steel material, and the extension is formed. The architectural use according to claim 1, wherein the tip edge portion of the protruding piece portion is configured as a locking portion that locks the shutter curtain bent in response to a strong wind to prevent it from coming off from the guide groove. Guide rail in the shutter device. The guide rail in the architectural shutter device according to claim 2, wherein the locking portion is formed in a 90-degree square shape.

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