JP6792466B2 - Manufacturing method of shutter device and its guide rail - Google Patents

Description

The present invention relates to a shutter device that opens and closes openings such as doorways by moving the shutter curtain guided by a guide rail, and a method for manufacturing the guide rail, for example, opening and closing doorways in buildings, factories, warehouses, and the like. It can be used for various shutter devices such as entrance / exit shutter devices (in other words, management shutter devices), management and disaster prevention combined shutter devices, and garage shutter devices.

As shown in Patent Document 1 below, the shutter devices installed at the entrances and exits of buildings, factories, warehouses, etc. are shutter curtains that can be opened and closed in the vertical direction and the left and right directions of the shutter curtains. It is arranged on both sides in the width direction, and has an insertion part inside which the end portion in the width direction of the shutter curtain is slidably inserted, and includes a guide rail for guiding the opening / closing movement of the shutter curtain. The shutter curtain is composed of, and retaining members (windproof hook members) are arranged at both ends in the width direction of the shutter curtain.

In such a shutter device, when the shutter curtain is curved and deformed in the thickness direction of the shutter curtain due to wind pressure or the like, the above-mentioned retaining member is locked to a protrusion or the like provided at the insertion portion of the guide rail. Both ends in the width direction of the shutter curtain are prevented from coming out of the guide rail.

Japanese Unexamined Patent Publication No. 2016-121492

By the way, as shown in Patent Document 1 above, when the guide rail is made of aluminum or the like, the shutter curtain that is being opened / closed or stopped is pulled out when it moves in the width direction due to wind pressure or the like. When the stop member comes into contact with the insertion portion of the guide rail, this insertion portion may be damaged and the durability of the guide rail may be reduced.

When the shutter curtain is formed by connecting a plurality of slats in the vertical direction of the shutter curtain, the shutter curtain repeatedly opens and closes, causing the slats to shift. Even if the shutter curtain that is being opened / closed or stopped does not move in the width direction due to wind pressure or the like, the retaining members arranged at both ends of the offset slat in the width direction come into contact with the insertion portion of the guide rail. , This insertion part may be damaged and the durability of the guide rail may be reduced.

Therefore, there is a need for a device that can further improve the durability of the guide rail of the shutter device.

An object of the present invention is to provide a shutter device capable of further improving the durability of a guide rail and a method for manufacturing the guide rail.

The shutter device according to the present invention is arranged on both sides of a shutter curtain that can be opened and closed in the vertical direction and the width direction of the shutter curtain, and the end portion of the shutter curtain in the width direction is slidably inserted inside. It is configured to include an insertion portion to be inserted, and a guide rail for guiding the opening / closing movement of the shutter curtain, and both ends of the shutter curtain in the width direction are the guides. In a shutter device in which a retaining member for preventing slipping out of the rail is arranged, the guide rail is made of a material softer than the retaining member, and is deep inside the insertion portion of the guide rail. A receiving member for receiving the retaining member when the shutter curtain moves in the width direction is arranged in the portion, and the receiving member is made of a material harder than the guide rail. It is a feature.

In the shutter device according to the present invention, as described above, the guide rail is made of a material softer than the retaining member, but the shutter curtain is provided in the width direction (in other words, in other words) at the back of the insertion portion of the guide rail. A receiving member that receives the retaining member when it moves in the left-right direction) is arranged, and this receiving member is made of a material harder than the guide rail.

That is, in the shutter device according to the present invention, when the shutter curtain moves in the width direction, the retaining member comes into contact with the insertion portion of the guide rail made of a material softer than the retaining member (in other words, in other words. , But not in contact with the receiving member made of a material harder than this guide rail, which is arranged at the back of the insertion portion of the guide rail.

As a result, when the shutter curtain moves in the width direction (in other words, in the left-right direction), it is possible to prevent the guide rail from being damaged due to the retaining member coming into direct contact with the insertion portion of the guide rail.

As described above, according to the shutter device according to the present invention, the durability of the guide rail can be further improved as compared with the conventional one.

Here, the place where the receiving member is arranged is the inner part of the insertion portion of the guide rail, and is the area where the retaining member is expected to come into contact when the shutter curtain moves in the width direction. Therefore, the location where the receiving member is arranged differs depending on the shape and structure of the retaining member.

When the shutter curtain closes and moves (opens) from the fully open position (fully closed position) to the fully closed position (fully open position), the widthwise end of the shutter curtain is from the upper end of the guide rail insertion portion. It will pass between the lower end. For this reason, it is preferable that the portion in the vertical direction in which the receiving member is arranged is the inner portion of the insertion portion of the guide rail and extends over the entire length in the vertical direction or substantially the entire length of the guide rail.

In the shutter device according to the present invention, the type and structure of the receiving member may be arbitrary.

As described above, among the locations where the receiving member is arranged, the portion in the vertical direction is preferably the inner portion of the insertion portion of the guide rail, which extends over the entire length of the guide rail in the vertical direction or substantially the entire length. The receiving member preferably has a length in the vertical direction.

When the receiving member has a length in the vertical direction, the receiving member is one receiving member having a length in the vertical direction (in other words, one long (long dimension) receiving member. ), Or may be composed of a plurality of receiving members having a length in the vertical direction (in other words, a plurality of short (short dimension) receiving members).

In the shutter device according to the present invention, the method of arranging the receiving member in the inner part of the insertion portion of the guide rail (in other words, the mounting method) may be arbitrary.

For example, the receiving member may be attached to the inner portion of the insertion portion of the guide rail by welding, or may be attached to the inner portion of the insertion portion of the guide rail by adhesion.

Further, a groove portion in which the receiving member is inserted and arranged may be formed in the vertical direction in the inner portion of the insertion portion of the guide rail, and the receiving member may be inserted and arranged in the groove portion. In this case, the groove portion may or may not extend over the entire length of the guide rail in the vertical direction or substantially the entire length.

In the shutter device according to the present invention, the shutter curtain moves to one side in the width direction (left-right direction) and is arranged at the end of the one side of both ends in the width direction of the shutter curtain. When the retaining member comes into contact with the receiving member arranged at the back of the insertion portion of the guide rail arranged on one side, the other side of both ends in the width direction of the shutter curtain It is preferable that the retaining member arranged at the end of the guide rail does not come into contact with the portion of the insertion portion of the guide rail arranged on the other side opposite to the inner portion in the width direction.

According to this, the shutter curtain moves to one side in the width direction, and the retaining member arranged at the end of the one side of both ends in the width direction of the shutter curtain is the one. When it comes into contact with the receiving member arranged at the back of the insertion portion of the guide rail arranged on the side, it is arranged at the end on the other side of both ends in the width direction of the shutter curtain. The retaining member is a portion of the insertion portion of the guide rail arranged on the other side opposite to the inner portion in the width direction, that is, a portion where the receiving member is not arranged (a material softer than the retaining member). Since it does not come into contact with the portion formed by the above, it is possible to prevent the guide rail arranged on the other side from being damaged.

In the shutter device according to the present invention, the guide rail made of a material softer than the retaining member may be, for example, an extruded product, a draw-molded product, or a bent sheet metal product. And so on.

When the guide rail is an extruded product, the guide rail may be, for example, an extruded product of aluminum or an aluminum alloy, or an extruded product of resin.

In the shutter device according to the present invention, since the guide rail is made of a material softer than the retaining member, the weight of the guide rail can be reduced.

In the shutter device according to the present invention, the guide rail made of a material softer than the retaining member may or may not be provided with a hollow portion.

According to the former case, the weight of the guide rail can be further reduced. The shape and structure of the hollow portion may be arbitrary, and the number of hollow portions may be one or a plurality.

In the shutter device according to the present invention, the guide rail may or may not be covered with a frame member made of a material harder than the guide rail.

According to the former case, it is possible to prevent the guide rail, which is made of a material softer than the retaining member, from being deformed by the heat caused by the occurrence of a fire.

The frame member covering the guide rail may or may not be formed by bending the plate material.

In the present invention, the method of fixing the retaining member to the end of the shutter curtain in the width direction may be, for example, welding or fastening with a fastener such as a screw.

In the above shutter device according to the present invention, the type and structure of the shutter curtain may be arbitrary. In other words, the shutter curtain may be composed of any curtain constituent member.

Here, the curtain constituent member may be formed by, for example, connecting a plurality of slats whose width direction is the length direction in the vertical direction (in other words, the moving direction) of the shutter curtain. It may be formed of a sheet, a panel, a net, or a rod-shaped member such as a plurality of pipes connected by a link, and these curtain configurations may be used. Among the members, at least two types of curtain constituent members may be combined.

When at least a part of the shutter curtain is formed by connecting a plurality of slats whose width direction is the length direction in the vertical direction of the shutter curtain as described above, each slats is formed. May or may not be slidable in the width direction with respect to other adjacent slats. In this case, the retaining members may or may not be arranged at both ends in the width direction of at least a part of the plurality of slats.

The method for manufacturing a guide rail for a shutter device according to the present invention is arranged on both sides in the width direction (in other words, both left and right sides) of a shutter curtain that can be opened and closed in the vertical direction, and inside the shutter curtain in the width direction. A method of manufacturing a guide rail of a shutter device for guiding the opening / closing movement of the shutter curtain, wherein the end portion of the shutter curtain has an insertion portion that is slidably inserted, and both ends of the shutter curtain in the width direction. A retaining member for preventing both ends from coming out of the guide rail is arranged in the portion, and the guide rail made of a material softer than the retaining member is made of aluminum or an aluminum alloy. The first step of forming by extrusion molding, and the receiving member which is arranged in the inner part of the insertion portion and receives the retaining member of the shutter curtain when the shutter curtain moves in the width direction, is the retaining member. It is characterized by including a second step of forming the material from a harder material and a third step of arranging the receiving member in the inner portion of the insertion portion.

Here, the first step and the second step may be carried out at the same time, the first step may be carried out before the second step, and the second step may be carried out before the first step. It may be one. That is, the order in which the first step and the second step are carried out may be arbitrary. On the other hand, the third step is carried out after the first step and the second step are carried out.

In the first step, a guide rail made of a material softer than the retaining member may be formed by extrusion molding of a resin.

Further, in the method for manufacturing a guide rail of a shutter device according to the present invention, the receiving member has a length in the vertical direction, and in the third step, the receiving member is inserted at the back of the insertion portion of the guide rail. The work of inserting and arranging the groove portion formed in the vertical direction may be performed.

In the third step, the work of welding the receiving member to the inner part of the insertion portion of the guide rail may be performed, and the work of adhering the receiving member to the inner part of the insertion portion of the guide rail may be performed. It may be implemented.

Further, in the method for manufacturing a guide rail of a shutter device according to the present invention, a fourth step of forming a frame member for covering the guide rail by bending a plate material made of a material harder than the guide rail may be included. Good.

The fourth step may be carried out after the second step and the third step are carried out as long as the first step is carried out, and the second step and the third step are carried out. It may be implemented before.

The present invention described above can be applied to any shutter device, for example, a shutter device for entrance / exit (in other words, a shutter device for management) for opening / closing the entrance / exit of a building, a factory, a warehouse, etc., and management and It can be applied to various shutter devices such as shutter devices for disaster prevention and shutter devices for warehouses.

According to the present invention, it is possible to obtain an effect that the durability of the guide rail of the shutter device can be further improved.

FIG. 1 is an overall front view showing a shutter device according to an embodiment of the present invention as viewed from the outdoor side. FIG. 2 is a cross-sectional view taken along the line S2-S2 of FIG. FIG. 3 is a cross-sectional view taken along the line S3-S3 of FIG. FIG. 4 is a front view of the retaining member and one end of the slat of the shutter curtain on which the retaining member is arranged in the width direction. FIG. 5 is a side view of the slats shown in FIG. FIG. 6 shows a right end portion which is an end portion of one side of the width direction of the shutter curtain when the shutter curtain shown in FIG. 1 is moved to the right side which is one side of the width direction. It is the same view as FIG. 2 which shows the sectional view of the guide rail. FIG. 7 shows a left end portion which is an end portion of the other side of the width direction of the shutter curtain when the shutter curtain shown in FIG. 1 is moved to the right side which is one side of the width direction. It is the same view as FIG. 3 which shows the sectional view of the guide rail.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. The shutter device according to the present embodiment is a management shutter in which the shutter curtain opens / closes, moves, and stops in order to open / close openings such as entrances / exits of buildings, factories, warehouses, etc., which are structures such as buildings, by operating the operation device. It is a device.

FIG. 1 shows an overall front view of the shutter device according to the embodiment of the present invention as viewed from the outdoor side (in other words, the outdoor side). This shutter device has a shutter curtain 1 that opens and closes in a vertical direction and closes and moves downward, and the shutter curtain 1 opens and closes an entrance 2 that is an opening of a warehouse that is a building. .. FIG. 1 shows a case where the shutter curtain 1 that closes and moves downward is in a semi-closed state that is half closed.

A shutter case (in other words, a shutter box) 5 is attached to the building frame such as the upper wall of the doorway 2, and inside the shutter case 5, a pair of left and right winding shafts 6 are horizontally stored and arranged. The upper end of the shutter curtain 1 which is rotatably supported by the bracket 7 of the shutter case 5 and reaches the inside of the shutter case 5 through a slit formed in the lower surface 5A of the shutter case 5 on the take-up shaft 6. Is connected, the shutter curtain 1 is wound and unwound by the winding shaft 6 which can rotate in the forward and reverse directions.

In the present embodiment, the shutter curtain 1 occupies most of the area of the shutter curtain 1, and is provided at the curtain main body 1A whose upper end is connected to the winding shaft 6 and the lower end portion of the curtain main body 1A. It has a seat plate 1B which is an end member. The curtain body 1A of the present embodiment is formed by connecting a large number of slats whose width direction is the length direction of the shutter curtain 1 in the vertical direction of the shutter curtain 1.

Both ends in the width direction of the curtain body 1A of the shutter curtain 1 are inserted into the guide rails 4 attached to the building frame 3 such as the walls on both the left and right sides of the doorway 2, and these ends are inserted. Guided by the guide rail 4, the shutter curtain 1 opens and closes up and down.

When the shutter curtain 1 reaches the fully open position, that is, when the shutter curtain 1 is fully opened, the seat plate 1B reaches the lower surface 5A of the shutter case 5, and when the shutter curtain 1 reaches the fully closed position, that is, the shutter curtain 1 When fully closed, the seat plate 1B reaches the floor 2A of the doorway 2.

In the present embodiment, the length in the width direction of the shutter curtain 1 with respect to the seat plate 1B constituting the lowermost end portion of the shutter curtain 1 is the same as or within the inner width dimension of the pair of left and right guide rails 4. Since it is smaller than the width dimension, both ends in the length direction, which is the width direction of the seat plate 1B, are not inserted into the guide rail 4.

Further, in the present embodiment, as shown in FIG. 1, in order to prevent the both end portions 1C and 1D of the curtain body 1A of the shutter curtain 1 in the width direction from coming out of the pair of left and right guide rails 4A and 4B. Retaining members 15 whose specific shape and structure will be described later are arranged at both ends in the width direction of some of the large number of slats forming the curtain body 1A.

As shown in FIG. 1, a switch 8 is connected to one end of the take-up shaft 6 via a driving force transmitting means 9 by a sprocket wheel and a roller chain. The switch 8 which is a drive device for driving the take-up shaft 6 includes an electric motor device and a brake device, and the rotational force of the drive shaft of the electric motor device is the drive shaft. The driving force transmitting means 9 by the driving sprocket wheel attached to the winding shaft 6, the driven sprocket wheel attached to the one end of the take-up shaft 6, and the endless roller chain bridged between these sprocket wheels. Then, it is transmitted to the take-up shaft 6.

Of the left and right building skeletons 3 shown in FIG. 1, one of the building skeletons 3B has a shutter curtain 1 that is opened and moved upward with respect to the doorway 2, closed and moved downward, and stopped. The operation device 10 for performing the above is attached. The operating device 10 is provided with an "open" button, a "close" button, and a "stop" button. By operating these buttons, a shutter curtain is generated by the driving force of the electric motor device of the switch 8. The opening / closing movement of 1 and the opening / closing movement of the shutter curtain 1 are stopped by the operation of the brake device of the switch 8.

Next, the specific shape and structure of the pair of left and right guide rails 4 for guiding the opening / closing movement of the shutter curtain 1 will be described with reference to FIGS. 2 and 3.

FIG. 2 is a cross-sectional view taken along the line S2-S2 of FIG. 1, and of the pair of left and right guide rails 4A and 4B shown in FIG. 1, one of both ends of the shutter curtain 1 in the width direction inside. It is sectional drawing of the right side guide rail 4B into which a right end part 1D which is a side end part is slidably inserted. Further, FIG. 3 is a cross-sectional view taken along the line S3-S3 of FIG. 1, and of the pair of left and right guide rails 4A and 4B shown in FIG. 1, both ends of the curtain body 1A of the shutter curtain 1 in the width direction are inside. It is sectional drawing of the left guide rail 4B in which the left end part 1C which is the other end part of the part is slidably inserted.

As can be seen from FIGS. 2 and 3, since the left and right guide rails 4A and 4B have a symmetrical shape and structure, the shape and structure of the right guide rail 4B will be described. In the present embodiment, the left and right guide rails 4A and 4B whose vertical direction is the length direction are extruded or drawn products of aluminum or aluminum alloy cut to a predetermined length. Therefore, the left and right guide rails 4A and 4B have the same cross-sectional shape (that is, horizontal cross-sectional shape) at locations orthogonal to the length direction of the guide rails 4A and 4B. It is continuous in the length direction of 4B, and this cross-sectional shape is from one end (in other words, the upper end) of the guide rails 4A and 4B in the length direction to the other end (in other words, the lower end). It is continuous up to the part).

As shown in FIG. 2, in the right guide rail 4B, the right end 1D of the curtain body 1A of the shutter curtain 1, in other words, the right end 1D of the slat 11 forming the curtain body 1A is slidably inserted. The insertion portion 20 is formed. That is, the guide rail 4B on the right side has an insertion portion 20 into which the right end portion 1D of the curtain body 1A of the shutter curtain 1 is slidably inserted.

The insertion portion 20 is formed on the first space portion 21 formed on the entrance / exit 2 side and the back side on the skeleton 3B side of the first space portion 21, and the shutter curtain 1 is formed on the back side of the first space portion 21. It is composed of a second space portion 22 having a large dimension in the front-rear direction, which is the thickness direction of the. In other words, in the present embodiment, the entrance / exit 2 side is the entrance (in other words, the entrance / exit 2 side is open) inside the guide rail 4B from the first space portion 21 and the first space portion 21. Is also formed on the back side, and a second space portion 22 having a larger dimension in the thickness direction of the shutter curtain 1 than the first space portion 21 is formed.

Further, as shown in FIG. 2, a plurality of (six in this embodiment) hollow portions 4C are provided in the portion of the guide rail 4B excluding the insertion portion 20 (in other words, six). , Is formed).

As described above, since the guide rail 4B is made by cutting an extruded product or a draw-molded product of aluminum or an aluminum alloy to a predetermined length dimension, these hollow portions 4C are formed in the length direction of the guide rail 4B. The cross-sectional shape at the point orthogonal to is the same shape and is continuous in the length direction of the guide rail 4B, and this cross-sectional shape is from one end of the guide rail 4B in the length direction to the other. It is continuous to the end.

The cross-sectional shape of these hollow portions 4C may be arbitrary and is not limited to the cross-sectional shape shown in FIG.

As shown in FIG. 2, the guide rail 4B is a frame member (in other words, a frame member) formed by bending a plate material made of steel or stainless steel, which is a material harder than the guide rail 4B. It is covered with a covering member) 40.

The frame member 40 is composed of five frame members 41 to 45. The first frame member 41 is bent vertically from the flat surface portion 41A covering the front surface portion 25 of the guide rail 4B on the outdoor space S1 side and the tip end portion of the flat surface portion 41A on the skeleton 3B side toward the indoor space S2 side. The second frame member 42 is composed of a bent portion 41B that covers a part of the right side surface portion 27, and the second frame member 42 is a flat surface portion 42A that covers the back surface portion 26 that is a surface portion on the indoor space S2 side of the guide rail 4B, and this flat surface portion. It is composed of a bent portion 42B that bends vertically from the tip end portion on the skeleton 3B side of the 42A toward the outdoor space S1 side and covers the bent portion 41B of the right side surface portion 27 and the first frame member 41. Further, the third frame member 43 includes a flat surface portion 43A covering the opening edge portion (opening end portion) 28 on the outdoor space S1 side of the insertion portion 20 of the guide rail 4B, and a tip portion of the flat surface portion 43A on the outdoor space S1 side. The fourth frame member 44 is composed of a bent portion 43B that is bent vertically to the skeleton 3B side and a bent portion 43C that is bent vertically from the tip portion of the bent portion 43B on the skeleton 3B side to the outdoor space S1 side. , The flat surface portion 44A covering the opening edge portion (opening end portion) 29 on the indoor space S2 side of the insertion portion 20 of the guide rail 4B, and the tip portion of the flat surface portion 44A on the outdoor space S1 side are bent vertically toward the skeleton 3B side. The bent portion 44B bent vertically from the tip portion on the indoor space S2 side of the flat surface portion 44A to the skeleton 3B side, and the bent portion 44C bent vertically from the tip portion on the skeleton 3B side of the bent portion 44C to the indoor space S2 side. It is composed of a bent portion 44D. Further, the fifth frame member 45 includes a flat surface portion 45A that covers the flat surface portion 43A of the third frame member 43, and a bent portion 45B that is vertically bent from the tip end portion of the flat surface portion 45A on the outdoor space S1 side to the skeleton 3B side. The flat surface portion 45A is composed of a bent portion 45C that is vertically bent from the tip portion on the indoor space S2 side to the skeleton 3B side.

The opening edge 28 on the outdoor space S1 side of the insertion portion 20 of the guide rail 4B is the two left side surface portions that are the surface portions on the entrance / exit 2 side of the guide rail 4B, and is the surface portion on the outdoor space S1 side. 1 Left side surface portion 28, and the opening edge portion 29 on the indoor space S2 side in the insertion portion 20 of the guide rail 4B is two left side surface portions that are surface portions on the entrance / exit 2 side of the guide rail 4B, and is an indoor space. It is the second left side surface portion 29, which is the surface portion on the S2 side.

In addition, between the front portion 41A of the first frame member 41 covering the front portion 25 of the guide rail 4B and the skeleton 3B, two brackets 61 and 62 for fixing the guide rail 4B to the skeleton 3B Is placed. Of these brackets 61 and 62, the bracket 61 arranged on the guide rail 4B side is a horizontal portion 61A and a rising portion (in other words, a guide rail 4B) that rises from an end portion of the horizontal portion 61A on the guide rail 4B side. It is composed of a vertical extension portion) 61B extending vertically upward from the side end portion, and this rising portion 61B, together with the flat portion 41A of the first frame member 41, has a screw 66 on the front portion 25 of the guide rail 4B. It is fastened with a fastener such as (see FIG. 3). On the other hand, the bracket 62 arranged on the skeleton 3B side extends vertically upward from the horizontal portion 62A and the rising portion (in other words, the end portion on the skeleton 3B side) rising from the end portion of the horizontal portion 62A on the skeleton 3B side. (Vertical extension portion) 62B, and the rising portion 62B is fixed to the skeleton 3B by an anchor member 65 (see FIG. 3). The horizontal portion 61A of the bracket 61 on the guide rail 4B side and the horizontal portion 62A of the bracket 62 on the skeleton 3B side are joined to each other by welding, adhesion, or the like.

On the other hand, in the second frame member 42, the bent portion 42B of the second frame member 42, together with the bent portion 41B of the first frame member 41, stops a screw 66 (see FIG. 3) or the like on the right side surface portion 27 of the guide rail 4B. By being fastened with a fitting, it is fixed to the right side surface portion 27 of the guide rail 4B.

Further, in the third frame member 43, the bent portion 43B of the third frame member 43, together with the flat portion 41A of the first frame member 41, stops the screw 68 (see FIG. 3) or the like on the front portion 25 of the guide rail 4B. By being fastened with a fitting, it is fixed to the front portion 25 of the guide rail 4B, and in the fourth frame member 44, the bent portion 44C of the fourth frame member 44 is the second frame member. Along with the flat surface portion 42A of the 42, the guide rail 4B is fixed to the back surface portion 26 of the guide rail 4B by being fastened to the back surface portion 26 of the guide rail 4B with a fastener such as a screw 68 (see FIG. 3). There is.

Further, in the fifth frame member 45, the flat surface portion 45A of the fifth frame member 45 has the base portion 71B of the airtight member (in other words, the smoke shield member) 71 having the tongue piece portion 71A having smoke shielding performance, and the fifth frame member 45. Along with the flat surface portion 43A of the three-frame member 43, a screw 70 (see FIG. 3) or the like is attached to the opening edge portion (in other words, the first left side surface portion of the guide rail 4) 28 on the outdoor space S1 side in the insertion portion 20 of the guide rail 4. It is fixed to the opening edge 28 of the guide rail 4B by being fastened by the fastener of. As a result, the base portion 71B of the airtight member 71 is sandwiched between the flat portion 45A of the fifth frame member 45 and the flat portion 43A of the third frame member 43.

A guide rail 4B and a first cover member 51 for covering a portion of the covering member 40 on the outdoor space S1 side are arranged on the outdoor space S1 side, and a guide rail 4 and a cover are arranged on the indoor space S2 side. A second cover member 52 for covering a portion of the member 40 on the indoor space S2 side is arranged.

The first cover member 51 includes a first frame member 53 and a second frame member 54 formed by bending a plate material. The first frame member 53 is formed from a flat surface portion 53A anchored to a bent portion 43C of a third frame member 43 constituting a covering member 40 covering the guide rail 4B, and a tip portion of the flat surface portion 53A on the outdoor space S1 side. A bent portion 53B bent vertically to the doorway 2 side, a bent portion 53C bent vertically from the tip end portion of the bent portion 53B on the doorway 2 side to the outdoor space S1, and a tip end portion of the bent portion 53C on the outdoor space S1 side. A bent portion 53D that is bent vertically from the portion to the skeleton 3B side, a bent portion 53E that is bent vertically from the tip portion of the bent portion 53D on the skeleton 3B side to the indoor space S2 side, and an indoor space S2 side of the bent portion 53E. It is composed of a bent portion 53F that is bent vertically from the tip end portion to the skeleton 3B side. The second frame member 54 includes a flat surface portion 54A anchored to the bent portion 53F of the first frame member 53, and a bent portion 54B bent vertically from the tip end portion of the flat surface portion 54A on the skeleton 3 side toward the interior space S2 side. It consists of. The first frame member 53 has a screw 67 (see FIG. 3) on the bent portion 43C of the third frame member 43 in which the flat surface portion 53A of the first frame member 53 constitutes the covering member 40 that covers the guide rail 4B. By being fastened with a fastener such as, etc., it is fixed to the bent portion 43C of the third frame member 43. Further, in the first frame member 53, the bent portion 53F of the first frame member 53 is fastened to the flat surface portion 54A of the second frame member 54 with a fastener such as a screw 67 (see FIG. 3). As a result, it is fixed to the flat surface portion 54A of the second frame member 54.

In addition, fastening of a screw 67 (see FIG. 3) or the like for fixing the flat surface portion 53A of the first frame member 53 constituting the cover member 51 to the bent portion 43C of the third frame member 43 constituting the cover member 40. As shown in FIG. 2, the tool is hidden by a caulking material 72 filled on the outside of the flat surface portion 53A of the first frame member 53.

The second cover member 52 includes a first frame member 55 and a second frame member 56. The first frame member 55 is formed from a flat surface portion 55A anchored to a bent portion 44D of a fourth frame member 44 constituting a covering member 40 covering the guide rail 4B, and a tip portion of the flat surface portion 55A on the indoor space S2 side. A bent portion 55B that is bent vertically to the doorway 2 side, a bent portion 55C that is bent vertically from the tip of the bent portion 55B on the doorway 2 side to the interior space S2 side, and a tip of the bent portion 55C on the indoor space S2 side. A bent portion 55D that is bent vertically from the portion to the skeleton 3B side, a bent portion 55E that is bent vertically from the tip portion of the bent portion 55D on the skeleton 3B side to the outdoor space S1 side, and an outdoor space S1 side of the bent portion 55E. It is composed of a bent portion 55F that is bent vertically from the tip end portion to the skeleton 3B side. The first frame member 55 has a screw 67 (see FIG. 3) on the bent portion 44D of the fourth frame member 44 in which the flat surface portion 55A of the first frame member 55 constitutes the covering member 40 that covers the guide rail 4B. By being fastened with a fastener such as, etc., it is fixed to the bent portion 44D of the fourth frame member 44. Further, in the first frame member 55, the bent portion 55F of the first frame member 55 is fastened to the flat surface portion 56A of the second frame member 56 with a fastener such as a screw 67 (see FIG. 3). As a result, it is fixed to the flat surface portion 56A of the second frame member 56. The second frame member 56 includes a flat surface portion 56A anchored to the bent portion 55F of the first frame member 55, and a bent portion 56B bent vertically from the tip end portion of the flat surface portion 56A on the skeleton 3 side toward the outdoor space S1 side. It consists of.

In addition, fastening of a screw 67 (see FIG. 3) or the like for fixing the flat surface portion 55A of the first frame member 55 constituting the cover member 52 to the bent portion 44D of the fourth frame member 44 constituting the cover member 40. As shown in FIG. 2, the tool is hidden by a caulking material 72 filled on the outside of the flat surface portion 55A of the first frame member 55.

As shown in FIG. 2, a retaining member (windproof hook member) is attached to the right end portion 1D, which is one end portion of both end portions 1C and 1D in the width direction of the curtain body 1A of the shutter curtain 1. ) 15 are arranged. The retaining member 15 is made of a material harder than the guide rail 4B. In other words, the guide rail 4B is made of a material softer than the retaining member 15.

FIG. 4 shows one of the widthwise both ends 1C and 1D of the retaining member 15 shown in FIG. 2 and the slat 11 forming the curtain body 1A of the shutter curtain 1 on which the retaining member 15 is arranged. It is a front view of the end 1D on the side of. Further, FIG. 5 is a side view of the slat 11 shown in FIG.

As can be seen from FIGS. 2, 4 and 5, the retaining member 15 is fastened to the flat portion between the upper curl portion 12 and the lower curl portion 13 in the slats 11 with a fastener such as a screw 69. It has a base portion 16 to be formed and a bent portion 17 that is obliquely bent from the tip portion of the base portion 16 on the skeleton 3B side toward the indoor / outdoor space S1 side, and the bent portion 17 has a tapered shape. ing. The base portion 16 of the retaining member 15 may be fixed to the flat portion between the upper curl portion 12 and the lower curl portion 13 of the slats 11 by welding.

In the present embodiment, when the shutter curtain 1 is curved and deformed in the thickness direction of the shutter curtain 1 due to wind pressure or the like, the bent portion 17 of the retaining member 15 arranged on the slat 11 is inserted into the guide rail 4B. By locking to the stepped portion 4D shown in FIG. 2, both ends 1C and 1D of the shutter curtain 1 in the width direction are prevented from coming out of the guide rails 4A and 4B.

As shown in FIG. 2, the back portion 23 of the second space portion 22 of the insertion portion 20 of the guide rail 4B, in other words, the step portion 4D formed in the insertion portion 20 of the guide rail 4B is the shutter curtain 1 A groove 24 is formed in a portion 23 on the opposite side in the width direction of the above.

The groove portion 24 is formed by having two L-shaped hook portions 24A and 24B facing each other in the thickness direction of the shutter curtain 1. Therefore, the groove portion 24 has two L-shaped hook portions 24A and 24B. The space between the character-shaped hook portions 24A and 24B is open to the retaining member 15 side. Further, the dimension between the two L-shaped hook portions 24A and 24B of the groove portion 24, that is, the dimension of the opening width of the groove portion 24 is the width dimension inside the groove portion 24 (in FIG. 2, the thickness of the shutter curtain 1). It is smaller than the vertical dimension).

The groove portion 24 has the same cross-sectional shape (that is, horizontal cross-sectional shape) at a portion orthogonal to the length direction of the guide rails 4B and is continuous in the length direction of these guide rails 4B. , This cross-sectional shape is continuous from one end (in other words, the upper end) of the guide rail 4B in the length direction to the other end (in other words, the lower end).

Further, as shown in FIG. 2, a flat bar 32 having a length in the vertical direction is inserted and arranged in the groove portion 24. The flat bar 32 is made of steel or stainless steel, which is a material harder than the guide rail 4B, and is formed from one end (in other words, the upper end) in the length direction of the guide rail 4B to the other. It has a length dimension up to the end (in other words, the lower end).

As described above, in the present embodiment, the flat bar 32 has a length in the vertical direction, and the flat bar 32 is inserted and arranged in the inner portion 23 of the insertion portion 20 of the guide rail 4B. The groove portion 24 is formed in the vertical direction.

The width dimension of the flat bar 32 (in FIG. 2, the dimension in the thickness direction of the shutter curtain 1) is the same as or smaller than the width dimension inside the groove portion 24, and the two groove portions 24. It is larger than the dimension between the L-shaped hook portions 24A and 24B, that is, the dimension of the opening width of the groove portion 24.

By the way, during the opening / closing movement of the shutter curtain 1, the shutter curtain 1 may move in the left-right direction, which is the width direction, due to wind pressure or some other reason. If the shutter curtain 1 moves significantly in the left-right direction, the shutter curtain 1 may move. The tip of the bent portion 17 of the retaining member 15 arranged at both end portions 1C and 1D in the width direction of 1 may come into contact with the inner portion 23 of the insertion portion 20 of the guide rails 4A and 4B. As a result, the insertion portion 20 may be damaged and the durability of the guide rails 4A and 4B may decrease.

FIG. 6 is an end portion on one side of the width direction of the shutter curtain 1 when the shutter curtain 1 shown in FIG. 1 is largely moved to the right side, which is one side in the width direction. It is the same view as FIG. 2 which shows the cross-sectional view of the right end portion 1D and the guide rail 4B. Further, FIG. 7 shows an end portion of the shutter curtain 1 shown in FIG. 1 on the other side in the width direction when the shutter curtain 1 is largely moved to the right side, which is one side in the width direction. It is the same view as FIG. 3 which shows the cross-sectional view of the left end portion 1C and the guide rail 4A. That is, FIGS. 6 and 7 are views showing when the shutter curtain 1 shown in FIGS. 2 and 3 is largely moved to the right side, which is one side in the left-right direction, during the opening / closing movement.

As shown in FIG. 6, when the shutter curtain 1 moves significantly to the movement limit position on the right side, which is one side of the left-right direction in the width direction, during the opening / closing movement, the curtain body 1A of the shutter curtain 1 The tip of the bent portion 17 of the retaining member 15 arranged at the right end portion 1D of the slat 11 forming the guide rail 4B is inserted and arranged in the groove portion 24 formed in the inner portion 23 of the insertion portion 20 of the guide rail 4B. It comes into contact with the flat bar 32.

That is, in the present embodiment, when the shutter curtain 1 is largely moved to the right movement limit position on one side in the left-right direction during the opening / closing movement, the tip of the bent portion 17 of the retaining member 15 is pulled out. It does not come into contact with the inner portion 23 of the insertion portion 20 of the guide rail 4B made of a material softer than the stopping member 15, and is inserted into the groove portion 24 formed in the inner portion 23 of the insertion portion 20 of the guide rail 4B. It is arranged so as to come into contact with the flat bar 32 made of a material harder than the guide rail 4B. Therefore, the flat bar 32 is a receiving member that receives the retaining member 15 when the shutter curtain 1 moves in the width direction.

As can be seen from FIG. 7, as shown in FIG. 6, the shutter curtain 1 moves greatly to the movement limit position on the right side, and the tip of the bent portion 17 of the retaining member 15 arranged at the right end portion 1D of the slats 11 When the portion abuts on the flat bar 32, the bent portion 17 of the retaining member 15 arranged at the left end portion 1C of the slat 11 shown in FIG. 7 is at the back of the insertion portion 20 of the guide rail 4A. The portion 23 does not come into contact with the step portion 4D, which is a portion on the opposite side of the shutter curtain 1 in the width direction.

As described above, in the present embodiment, the shutter curtain 1 moves to one side of the width direction of the shutter curtain 1 and reaches the end of the one side of both ends of the shutter curtain 1 in the width direction. When the arranged retaining member 15 comes into contact with the flat bar 32, which is a receiving member arranged in the inner portion 23 of the insertion portion 20 of the guide rail 4 arranged on one side, the shutter The retaining member 15 arranged at the other end of both ends of the curtain 1 in the width direction is different from the inner portion 23 of the insertion portion 20 of the guide rail 4 arranged on the other side. It is designed so that it does not come into contact with the portion of the shutter curtain 1 on the opposite side in the width direction.

As described above, according to the present embodiment, even if the shutter curtain 1 moves in the width direction, it is possible to prevent the retaining member 15 from directly contacting the guide rail 4 and damaging the guide rail 4.

That is, according to the present embodiment, the durability of the guide rail 1 can be further improved as compared with the conventional case.

The state of the shutter curtain 1 shown in FIGS. 6 and 7 is not limited to the case where the shutter curtain 1 during opening / closing movement moves in the width direction due to wind pressure or some other reason.

As described above, in the present embodiment, in the curtain body 1A of the shutter curtain 1, a large number of slats 11 in which the width direction of the shutter curtain 1 is the length direction are continuously provided in the vertical direction of the shutter curtain 1. Each slat 11 is slidable in the width direction of the shutter curtain 1 with respect to the other adjacent slat 11.

Therefore, as the opening and closing movement of the shutter curtain 1 is repeated, an event occurs in which at least a part of the slat 11s of the large number of slat 11s is offset to one side in the width direction of the shutter curtain 1. obtain.

Therefore, when the shutter curtain 1 opens and closes while at least a part of the slat 11 is offset to one side in the width direction of the shutter curtain 1, it is shown in FIG. As shown above, the bent portion 17 of the retaining member 15 arranged at the end portion in the width direction of the slats 11 in the offset state may come into contact with the inner portion 23 of the insertion portion 20 of the guide rail 4. ..

However, according to the present embodiment, the presence of the flat bar 32 makes it possible to prevent the retaining member 15 from directly contacting the guide rail 4 and damaging the guide rail 4.

As described above, according to the present embodiment, the shutter curtain 1 moves to open and close while at least a part of the slat 11s 11 is offset to one side in the width direction of the shutter curtain 1. Even so, it is possible to prevent the guide rail 4 from being damaged by the retaining member 15 coming into direct contact with the guide rail 4.

In the present embodiment, the guide rail 4 which is an extruded product or a draw-molded product of aluminum or an aluminum alloy is provided with a plurality of hollow portions 4C (in other words, is formed), so that the guide rail is formed. Since the weight of the guide rail 4 can be reduced and the amount of aluminum or aluminum alloy used can be reduced accordingly, the manufacturing cost of the guide rail 4 can be reduced.

Further, in the present embodiment, the guide rail 4 is covered with a frame member 40 made of a material harder than the guide rail 4.

Therefore, according to the present embodiment, the guide rail 4 which is an extruded product or a draw-molded product of aluminum or an aluminum alloy can be prevented from being deformed by heat caused by a fire. Further, even if the guide rail 4 is melted by the heat generated by the fire and loses its shape, the frame member 40 remains and the shutter curtain 1 can be maintained in a fully closed state, and the shutter device according to the present embodiment can be used. Guarantee that it functions as a shutter device for disaster prevention.

The shapes and structures of the guide rail 4, the frame member 40 as the covering member for covering the guide rail 4, the cover members 51 and 52, and the retaining member 15 are the same as the shape and structure shown in the present embodiment. It is not limited, and may be arbitrary.

The place where the flat bar 32 is arranged is the inner portion 23 of the insertion portion 20 of the guide rail 4, and when the shutter curtain 1 moves in the width direction, the bent portion 17 of the retaining member 15 comes into contact (in other words). , Contact). Therefore, the location where the flat bar 32 is arranged differs depending on the shape and structure of the retaining member 15.

Next, an embodiment of a method for manufacturing the guide rail 4 will be described.

In the method for manufacturing the guide rail 4 according to the present embodiment, first, in the factory, the guide rail 4 formed of a material softer than the retaining member 15 is formed by extrusion molding or pultrusion molding of aluminum or an aluminum alloy. Carry out the process. At the same time as this first step, or before and after this first step, it is arranged in the inner portion 23 of the insertion portion 20 of the guide rail 4, and when the shutter curtain 1 moves in the width direction, the shutter curtain 1 retaining member A second step is carried out in which the flat bar 32, which is a receiving member for receiving 15, is formed of a material harder than the retaining member 15.

After performing the first step and the second step described above, the flat bar 32 manufactured in the second step is formed in the vertical direction in the inner portion 23 of the insertion portion 20 of the guide rail 4 manufactured in the first step. The third step of inserting and arranging the groove portion 24 is carried out.

At the same time as these steps or before and after these steps, the frame member 40, which is a covering member for covering the guide rail 4, is formed by bending a plate material made of a material harder than the guide rail 4. Carry out 4 steps.

After that, the fifth step of fixing the frame member 40 manufactured in the fourth step to the guide rail 4 with a fastener such as a screw is carried out. At this time, the work of attaching the airtight member 71 to the guide rail 4 is also carried out.

This completes the manufacturing work of the guide rail 4.

In the method for manufacturing the guide rail 4 according to the present embodiment, in the work of arranging the flat bar 32 on the guide rail 4, the flat bar 32 is vertically formed in the inner portion 23 of the insertion portion 20 of the guide rail 4. Since it is only necessary to insert and arrange the groove portion 24, the arrangement work can be easily performed accordingly. In other words, the placement work can be simplified.

The present invention applies to various shutter devices such as doorway shutter devices (in other words, management shutter devices) for opening and closing doorways of buildings, factories, warehouses, etc., management and disaster prevention combined shutter devices, and garage shutter devices. Available.

1 Shutter curtain 1C, 1D Width end of shutter curtain 11 Slats 4, 4A, 4B Guide rail 4C Hollow part 4D Opposite part of shutter curtain width direction from the back of the insertion part 15 Insertion member 20 Part 23 The inner part of the insertion part 24 Groove part 32 Flat bar that is a receiving member 40 Frame member that covers the guide rail

Claims (11)

It has a shutter curtain that can be opened and closed in the vertical direction, and an insertion portion that is arranged on both sides of the shutter curtain in the width direction and in which the end portion of the shutter curtain in the width direction is slidably inserted. A guide rail for guiding the opening / closing movement of the shutter curtain is included, and both ends of the shutter curtain in the width direction are prevented from coming out of the guide rail. In the shutter device where the retaining member is arranged,
The guide rail is made of a material softer than the retaining member, and the retaining member is provided at the back of the insertion portion of the guide rail when the shutter curtain moves in the width direction. A shutter device in which a receiving member is arranged, and the receiving member is made of a material harder than the guide rail. In the shutter device according to claim 1, the receiving member has a length in the vertical direction, and the receiving member is inserted and arranged in the inner portion of the insertion portion of the guide rail. A shutter device characterized in that the groove portion is formed in the vertical direction. In the shutter device according to claim 1 or 2, the shutter curtain moves to one side in the width direction, and the end portion of the shutter curtain on the one side of both ends in the width direction. When the retaining member arranged in the shutter curtain comes into contact with the receiving member arranged in the inner portion of the insertion portion of the guide rail arranged on one side of the shutter curtain. The retaining member arranged at the other end of the both ends in the width direction is the inner part of the insertion portion of the guide rail arranged on the other side. A shutter device characterized in that it does not come into contact with a portion on the opposite side in the width direction. The shutter device according to any one of claims 1 to 3, wherein the guide rail is an extruded product of aluminum or an aluminum alloy. The shutter device according to any one of claims 1 to 4, wherein the guide rail is provided with a hollow portion. The shutter device according to any one of claims 1 to 5, wherein the guide rail is covered with a frame member made of a material harder than the guide rail. The shutter device according to claim 6, wherein the frame member is formed by bending a plate material. In the shutter device according to any one of claims 1 to 7, at least a part of the shutter curtain has a plurality of slats whose width direction is the length direction are continuously provided in the vertical direction of the shutter curtain. Each slat is slidable in the width direction with respect to other adjacent slat, and the retaining member is the width direction of at least a part of the slat among the plurality of slat. A shutter device characterized by being arranged at both ends of the. The shutter curtain is arranged on both sides in the width direction of the shutter curtain which can be opened and closed in the vertical direction, and has an insertion portion inside which the end portion of the shutter curtain in the width direction is slidably inserted. It is a method of manufacturing a guide rail of a shutter device for guiding the opening and closing movement of
At both ends of the shutter curtain in the width direction, retaining members are arranged to prevent the both ends from coming out of the guide rail.
The first step of forming the guide rail made of a material softer than the retaining member by extrusion molding of aluminum or an aluminum alloy.
A second member which is arranged in the inner part of the insertion portion and receives the retaining member of the shutter curtain when the shutter curtain moves in the width direction is made of a material harder than the retaining member. Process and
A third step of arranging the receiving member in the inner portion of the insertion portion, and
A method of manufacturing a guide rail of a shutter device, which comprises. In the method for manufacturing a guide rail of a shutter device according to claim 9, the receiving member has a length in the vertical direction, and in the third step, the receiving member is inserted into the insertion portion. A method for manufacturing a guide rail of a shutter device, characterized in that an operation of inserting and arranging the guide rail in a groove formed in the vertical direction in the inner portion is performed. In the method for manufacturing a guide rail of a shutter device according to claim 9 or 10, a fourth step of forming a frame member for covering the guide rail by bending a plate material made of a material harder than the guide rail. A method of manufacturing a guide rail of a shutter device, which comprises.

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