Reinforcement device for shutter curtains in architectural shutter devices

Abstract

To provide a vertical posture reinforcing column movable left and right for reinforcing a shutter curtain that bends due to strong winds, which is capable of increasing the strength of the upper end of the reinforcing column where the upper roller is guided by the upper rail is provided.SOLUTION: An upper rail 9 has a guide part Y as a gap between front-rear running surfaces 9c on which an upper roller 15 runs. A reinforcing column 11 includes a support body 14 the upper-end part of which vertically penetrates the guide part Y, and an upper roller 15 is provided on both the front and rear sides of the penetrating upper end.SELECTED DRAWING: Figure 6

Description

[Technical field]

[0001] The present invention relates to the technical field of a reinforcing device for a shutter curtain in an architectural shutter device installed to open and close openings such as entrances and exits of structures such as buildings. [Background technology]

[0002] Nowadays, architectural shutter devices are sometimes installed at openings such as entrances and exits inside and outside buildings and other structures, which open and close the openings by guiding a shutter curtain up and down on guide rails arranged on the left and right. The shutter curtains installed in such architectural shutter devices are directly affected by weather fluctuations on the outdoor side, and such weather fluctuations include strong winds that occur during bad weather such as typhoons and torrential rain, and the shutter curtains are required to be able to withstand such strong winds. However, when a shutter curtain is hit by a strong wind, the central part of the shutter curtain bends (depresses) toward the indoor or outdoor side, causing the left and right edges to come out of the guide rail. To address this problem, wind-resistant hooks are provided on both the left and right ends of the shutter curtain, and when the shutter curtain is bent by a strong wind, these wind-resistant hooks are engaged with engaging portions provided within the guide rail to prevent the shutter curtain from bending, thereby preventing the shutter curtain from coming out of the guide rail and improving its wind resistance. Some of these shutters equipped with wind-resistant hooks have sufficient wind resistance, but there are some that do not have wind-resistant hooks, or that are installed at large openings, and the wind-resistant hooks alone do not provide the wind resistance to withstand the onset of large typhoons, etc. Therefore, in order to accommodate architectural shutter devices in such cases, it has been proposed that reinforcing posts be provided on at least one of the inside and outside of the shutter curtain when it is in the closed position, so that the reinforcing posts can abut and support the shutter curtain when it is bent by a strong wind, thereby providing the necessary wind resistance (see Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent No. 4697644 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the conventional system, the reinforcing post is a hanger-type upper rail system that is configured to be freely moved left and right in a vertical position, moving from a storage position to a reinforcement position, and the reinforcing post moved to the reinforcement position is configured to reinforce the closely opposing shutter curtain.However, the upper end of the reinforcing post is located below the upper rail, and an upper roller is provided above the upper end of the reinforcing post via a rod-shaped bracket, so the strength of the upper end of the reinforcing post in the fore-to-aft direction is essentially determined by the strength of the rod-shaped bracket, which means that it is inevitably weak, and this is the problem that the present invention aims to solve. [Means for solving the problem]

[0005] The present invention has been created in view of the above-mentioned circumstances and with the objective of solving these problems. The invention of claim 1 relates to a shutter curtain that opens and closes an opening such as an entrance to a building by being guided by left and right guide rails installed at the opening, using a reinforcing post installed in a vertical position at the reinforcing position in the middle of the left and right direction of the opening. Reinforced architectural In a reinforcing device for a shutter curtain in a shutter device, When an upper roller that runs on an upper rail provided above the opening is provided on the upper end of the reinforcing column, The upper rail is configured to include a running surface portion disposed at the front and rear with a gap therebetween so that the upper roller can run, and a guide portion which is the gap. The front and rear surfaces are formed in a square tube shape with a surface width in the left-right direction, and a guide portion is loosely inserted through the front and rear surfaces of the upper end portion so that the front and rear surfaces of the upper end portion of the square tube-shaped reinforcing support are opposed to the front and rear end edges constituting the guide portion of the upper rail over the entire left-right width of the front and rear surfaces, and an upper roller is attached to the front and rear surfaces of the upper end portion of the square tube-shaped reinforcing support having the through-hole configuration. The present invention relates to a reinforcing device for a shutter curtain in an architectural shutter device. It is. The invention of claim 2 is as follows: In a shutter curtain reinforcing device for an architectural shutter device, a shutter curtain that opens and closes the opening by being guided by left and right guide rails provided at an opening such as an entrance or exit of a building is reinforced by a reinforcing post installed in a vertical position at a reinforcing position in the middle of the left and right direction of the opening, an upper roller that runs on an upper rail provided above the opening is provided at the upper end of the reinforcing post, the upper rail is configured to include a running surface portion that is arranged at the front and rear with a gap for the upper roller to run on, and a guide portion that is the gap, the reinforcing post is configured to include a support body portion whose upper end portion passes through the guide portion in the vertical direction and has upper rollers provided on both the front and rear sides of the passed upper end,This is a reinforcement device for a shutter curtain in an architectural shutter device, characterized in that a bracket that is longer in the left-right direction than the pillar main body is attached to both the front and rear sides of the upper end portion that penetrates the guide portion of the pillar main body, and upper rollers are provided on both the left and right ends of the bracket. The invention of claim 3 is characterized in that a guide surface portion that is longer in the left-right direction than the support body portion is provided at the guide portion penetration portion of the support body portion and faces closely to the guide portion side end edge of the running surface portion. Claim 2 A reinforcing device for a shutter curtain in the described architectural shutter device. The invention of claim 4 is a reinforcing device for a shutter curtain in an architectural shutter device described in claim 3, characterized in that the portion of the reinforcing post located below the guide surface portion is wider than the main body portion of the post and faces the shutter curtain. The invention of claim 5 is a reinforcing device for a shutter curtain in an architectural shutter device described in claim 4, characterized in that the reinforcing support is composed of an upper support portion comprising a support main body portion, and a thick lower support portion provided with a lower roller that runs on the floor portion, and into which the support main body portion is fitted so as to be freely expandable and contractable in the vertical direction. The invention of claim 6 is a reinforcing device for a shutter curtain in an architectural shutter device described in any one of claims 1 to 5, characterized in that a reinforcing member is provided on the upper rail for reinforcing the reinforcement position area. Effect of the Invention

[0006] By adopting the invention of claim 1, the reinforcing post is provided with a post main body portion that penetrates into the guide portion of the upper rail, so that when the reinforcing post receives the load of a bent shutter curtain, the load is received by the main post portion of the reinforcing post that penetrates into the upper rail abutting against the upper rail, thereby providing strong reinforcement. By adopting the invention of claim 2, the upper rollers are provided on both the left and right ends of a long bracket attached to both the front and rear sides of the upper end portion that penetrates the guide portion of the pillar main body, and the upper rollers themselves are attached to the reinforcing pillar with increased strength. By adopting the invention of claim 3, the guide portion penetration portion of the pillar main body portion is provided with a guide surface portion that is longer in the left-right direction than the pillar main body portion and is closely opposed to the guide portion side edge of the running surface portion, so that this portion can also be further reinforced by the guide surface portion. By adopting the invention of claim 4, the portion of the reinforcing post located below the guide surface portion faces the shutter curtain in a wider state than the main body portion of the post. As a result, the shutter curtain that has been bent due to strong winds can be reinforced in a wider state than the main body portion of the post supported by the upper rail, thereby providing high reinforcing strength. By making use of the invention of claim 5, the reinforcing support is composed of an upper support portion constituted by a support main body portion, and a thick lower support portion having a lower roller that runs on the floor portion and into which the support main body portion is fitted so as to be able to expand and contract in the vertical direction.The reinforcing support can be constructed by connecting the upper support portion that penetrates the upper rail and the lower support portion that can reinforce the shutter curtain in its thick width state so that they can be expanded and contracted in the vertical direction, thereby simplifying the structure. By adopting the invention of claim 6, the upper rail is provided with a reinforcing member for reinforcing the reinforcement position, so that the reinforcing strength of the reinforcing pillar located at the reinforcement position can be easily increased. [Brief description of the drawings]

[0007] [Figure 1] 1 is a front view of an architectural shutter device with the reinforcing column positioned in the storage position. FIG. [Diagram 2] 1 is a front view of an architectural shutter device with a reinforcing post positioned in a reinforcing position. FIG. [Diagram 3] FIG. 2 is a side view of an architectural shutter device. [Figure 4]A side view of the upper end portion of the architectural shutter device. [Diagram 5] A side view of the lower end portion of the architectural shutter device. [Figure 6] FIG. 2 is a side view of an upper end portion at a reinforcement position of the reinforcement device. [Figure 7] FIG. 4 is a front view of the upper end portion of the reinforcement device. [Figure 8] 7A and 7B are cross-sectional views taken along line II and II-II in FIG. [Figure 9] 8(A) and 8(B) are cross-sectional views taken along lines III-III and IV-IV in FIG. [Figure 10] 7(A) and (B) are cross-sectional views taken along line VV and VI-VI in FIG. [Figure 11] 13 is a front view of the upper end portion of the reinforcement device with the reinforcement pillar positioned in the storage position. FIG. [Figure 12] 1 is a front view of an upper end portion of a reinforcement device with a reinforcement strut positioned at a reinforcement position. FIG. [Figure 13] 13A and 13B are a plan view and a side view of the upper end portion of the reinforcement device when the reinforcement pillar is positioned at the reinforcement position. [Figure 14] A plan cross-sectional view showing the state in which the reinforcing column located in the storage position is engaged with the main body. [Figure 15] 1A, 1B, 1C, and 1D are a plan view, a front view, a side view, and a sectional front view showing the recess with the lid open. [Figure 16] 13(A) and (B) are schematic explanatory views showing the assembly procedure for the first half of the reinforcement device. [Figure 17] 13(A) and (B) are schematic explanatory views showing the latter half of the assembly procedure of the reinforcement device. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the drawings, reference numeral 1 denotes an architectural shutter device that is installed at an opening E such as an entrance or exit of a building or other structure, and the shutter device 1 is configured using various members and devices, such as guide rails 2 provided on the left and right sides of the opening E, a shutter curtain 3 that opens and closes the opening E by being guided up and down by the guide rails 2, a take-up body (take-up wheel) 4 provided in the ceiling space H of the opening E and on which the shutter curtain 3 is wound, an opening / closing device 5 that is electrically driven to rotate the take-up body 4 forward and backward to wind the shutter curtain 3, and a shutter case 6 provided in the upper space H on the indoor side of the opening E to house the take-up body 4, all of which are conventional.

[0009] Furthermore, the shutter case 6 is provided with left and right brackets 6a whose outdoor end is supported and fixed to the hanging wall W arranged on the outdoor side of the guide rail 2 and above the opening E, and the left and right end edges of the winding body 4 are supported by the left and right brackets 6a, but the shutter case 6 is further reinforced by various reinforcing members such as a U-shaped reinforcing frame 6b whose upper outdoor end is supported by the ceiling wall W, a reinforcing cross bar 6c supported between the left and right brackets 6a, and a stud frame 6d provided at the stud where the shutter curtain 3 is unrolled from the shutter case 6. The shutter case 6 is also box-shaped due to the presence of an upper panel, side panels, and lower panel 6e, and the case lower panel 6e is fixed to the lower side of the reinforcing frame 6b and the stud frame 6d. On the other hand, a U-shaped frame (three-sided frame) is provided on the underside of the hanging wall W, including both the left and right side portions of the opening E, and the upper frame 7 of the frame is provided so as to be flush with the case lower plate 6e. In this embodiment, a pair of reinforcing devices 8 for reinforcing the shutter curtain 3 is provided symmetrically, indoors and outdoors, with the shutter core X, along which the shutter curtain 3 opens and closes, as the symmetrical core.

[0010] In this manner, in this embodiment, a pair of inner and outer reinforcing devices 8 are provided. However, since the pair of reinforcing devices 8 are symmetrical indoors and outdoors (front and back) with the shutter core X as the symmetrical center, hereinafter, the indoor reinforcing device 8 will be described in detail, and a description of the outdoor reinforcing device 8 will be omitted unless specifically required. By installing the reinforcing device 8 both indoors and outdoors in this manner, the reinforcing effect can be made even greater; however, it goes without saying that in implementing the present invention, the reinforcing device 8 may be installed either indoors or outdoors, and whether the reinforcing device 8 is installed on both indoors and outdoors or on only one of them can be selected as appropriate according to need.

[0011] Furthermore, two sets of reinforcing devices 8 may be provided on both the left and right sides of the opening E, and two locations in the middle of the left and right direction of the shutter curtain 3 may be reinforced with reinforcing posts 11, which will be described later (it is not necessary to reinforce the shutter curtain 3 at equally spaced positions, each of which is 1 / 3 in the left and right directions). The present invention can also be implemented by providing a plurality of reinforcing posts 11, such as two, on one set of reinforcing devices 8 to reinforce the shutter curtain 3 at appropriate intervals in the left and right directions. In this case, the upper rail 9, which will be described later, may be made to have a maximum width that spans the entire left and right width of the opening E, and in this case, the reinforcing posts 11 may be configured to be stored in a state where they are separated on the left and right.

[0012] The reinforcing device 8 is configured with an upper rail 9 provided on the case bottom plate 6e, and the upper rail 9 is C-shaped and includes an upper piece 9a serving as a straddling portion, side pieces 9b bent downward so as to hang down from the front and rear end edges of the upper piece 9a, and a pair of front and rear lower pieces 9c bent in the front-rear direction from the lower end edges of the side pieces 9b so as to face each other. The upper piece 9a of the upper rail 9 is fixed to the case bottom plate 6e via a fixing member such as a screw (not shown), and this fixing position is preferably the position of a reinforcing member such as the left and right brackets 6a or the reinforcing frame 6b of the shutter case 6, but it may be directly fixed to the case bottom plate 6e as long as the case bottom plate 6e has the necessary strength.

[0013] The upper rail 9 has a pair of lower pieces 9c which serve as running surfaces 9c for the upper rollers 15 described later, and a gap Y formed between the opposing running surfaces 9c in the front-to-rear direction constitutes a guide portion (penetrating portion) Y for guiding the pillar main body portion 14 described later in a penetrating state from side to side. The upper rail 9 is further reinforced by the incorporation of an L-shaped auxiliary member 10, with the vertical piece 10a of the auxiliary member 10 being in contact with the side piece 9b in an overlapping (laminated) state. When the upper rail 9 is attached in this manner, a running space is formed between the running surface 9c and the lower piece 10b of the auxiliary member 10 in which the upper roller 15 runs; however, this running space allows the upper roller 15 to move upward slightly; in other words, there is a slight gap between the upper roller 15 running on the running surface 9c and the lower piece 10b of the auxiliary member, and is set so that the upper roller 15 is prevented from rising up more than necessary from the running surface 9c, thereby preventing (preventing) the reinforcing pillar 11, which moves left and right, from tilting in the left and right direction.

[0014] The upper rail 9 configured in this manner has one end which serves as a storage position for the reinforcing post 11 adjacent to either the left or right guide rail 2, and the other end which serves as a reinforcing position for the shutter curtain 3 by the reinforcing post 11 at the left-right middle position of the opening (for example, the central part in the left-right direction). The other edge of the upper rail 9 is an open opening edge 9e, and an inverted L-shaped mounting bracket 9f is provided on the upper piece 9a of the opening edge 9e portion, so that with a blocking plate 9g placed against the opening edge 9e, the opening edge 9e can be blocked off detachably by screwing a screw 9h from the blocking plate 9g into the mounting bracket 9f.

[0015] On the other hand, the reinforcing column 11 is configured as a continuous column in the vertical direction using an upper column portion 12 and a lower column portion 13 . The upper support 12 is configured using a support body 14 having a rectangular tubular shape, and the lower end edge of the support body 14 is short and reaches the upper portion of the reinforcing support 11. Upper end part The front and rear surface portions 14a pass through the guide portion Y of the upper rail 9 in a loose fit state. As a result of this configuration, as is clear from Figures 6, 7 and 8, the reinforcing column 11 has a rectangular tubular shape with the front and rear surface portions 14a having a width in the left and right direction, and the front and rear surface portions 14a at the upper end portion of the column body portion 14 face the front and rear end edges constituting the guide portion Y of the upper rail 9 over the entire left and right width of the front and rear surface portions 14a. Brackets 14b are provided at the upper ends of the front and rear surface portions 14a of the penetrated pillar main body portion 14, positioned above the running surface portion 9c, and are set longer in the left-right direction than the pillar main body portion 14 (so as to protrude in the left-right direction relative to the pillar main body portion 14), and upper rollers 15 that run on the running surface portion 9c as described above are provided at both the left and right ends of the brackets 14b. With this configuration, the left and right upper rollers 15 are provided in a wide state protruding in the left-right direction relative to the reinforcing pillar 11, preventing the reinforcing pillar 11 from tilting in the left-right direction. Furthermore, on both the front and rear surfaces 14a of the pillar main body 14, a guide surface portion 16 is provided adjacent to the underside of the bracket 14b and set longer in the left-right direction than the pillar main body 14, in a state where it is close to the inner end edges of the running surface portion 9c that face each other in the front-to-rear direction (loosely fitted into guide portion Y).Thus, the reinforcing pillar 11 is set so that it can be moved and guided in the left-right direction while the guide surface portion 16 that is long in the left-right direction and provided on the pillar main body 14 is guided in a state where it is close to and faces the tip edge portion of the running surface portion 9c.

[0016] Furthermore, the guide surface portion 16 is secured to the pillar main body portion 14 by a fixing means such as welding at both left and right piece portions 17b of a reinforcing member (first reinforcing member) 17, the straddling portion 17a of which is fixed to the left and right surface portions 14c of the pillar main body portion 14, thereby reinforcing the guide surface portion 16 against the pillar main body portion 14. In this embodiment, the bracket 14b has its upper and lower edge portions welded to the front and rear surface portions 14a of the pillar main body portion 14. For this reason, the guide surface portion 16 has a cutout portion 16a formed in a portion corresponding to the pillar main body portion 14, so that the lower edge portion of the bracket 14b can be welded even after the guide surface portion 16 is attached to the pillar main body portion 14.

[0017] Furthermore, a wide outer casing 18 is provided on the pillar main body 14 and is positioned below the guide surface 16, but the lower edge of the outer casing 18 is shorter than the pillar main body 14.As a result, although the pillar main body 14 is short and reaches the upper part of the reinforcing pillar 11 as described above, its lower end extends (protrudes) downwardly beyond the outer casing 18. The outer shell 18 has a rectangular cylindrical shape that fits loosely around the pillar main body 14, with the areas corresponding to the front and rear face sections 14a and the left and right face sections 14b of the pillar main body 14 forming groove sections 18a, the bottom of which abuts against the front and rear face sections 14a and the left and right face sections 14b and is integrated by a fixing means such as welding. By configuring it in this manner, the corner sections 18b of the outer shell 18 are wide sections spaced apart from the pillar main body 14. In this embodiment, the outer shell 18 has a structure in which a hat-shaped cross-sectional plate material 18c in which the groove portion 18a is formed and an L-shaped plate material 18d are integrated together by a fixing means such as welding.

[0018] On the other hand, the lower support portion 13 has a rectangular cylindrical shape and is wider than the outer casing portion 18, and the support main body portion 14 and outer casing portion 18 of the upper support portion 13 are loosely fitted into the upper end portion of the lower support portion 13 so as to be freely expandable and contractable in the vertical direction (freely insertable and removable, freely moving in and out, and freely appearing and disappearing). Of the left and right surface portions 14c of the pillar main body portion 14, extension portion 14d, which extends downward below the lower edge of the outer shell portion 18, has a sphere 14e arranged in close proximity to (or in contact with) the inner surface of the left and right surface portions 13a of the lower pillar portion 13, and the sphere 14e is supported so as to be freely rotatable in all directions via brackets 14f provided on the left and right surface portions 14c of the pillar main body portion. Furthermore, when the lower support 13 is tilted relatively in the left-right direction with respect to the upper support portion 12, the sphere 14e constitutes abutment member that is abutted against the inner surface of the left and right surface portions 13a of the lower support portion 13 to regulate the left-right tilt between the upper support portion 12 and the lower support portion 13. However, as long as it regulates the tilt, a fixed protrusion or a roller body (rotating body) instead of a sphere may of course be used. In this embodiment, such abutment members are provided on both the left and right surfaces 14b of the support body 14, but they may also be provided on both the front and rear surfaces 14a if necessary.

[0019] Furthermore, the upper support portion 12 is provided with a cover portion 19 for covering the upper end portion of the lower support portion 13. The cover portion 19 has a top surface portion 19a that is wider in the front-to-back and left-to-right directions than the lower support portion 13 so as to cover the upper part of the upper end of the lower support portion 13, and side surfaces 19b that hang down from the peripheral portion of the top surface portion 19a and cover the outer periphery of the front-to-back and left-to-right surfaces 13a and 13b of the lower support portion 13 in a loose fit manner, and is configured to prevent rainwater, etc. from entering through the upper end of the lower support portion 13. Incidentally, in the present embodiment, the cover portion 19a is formed at the edge portion facing the front and rear surface portions 14a of the pillar main body portion 14 of the top surface portion 19a with a protrusion 19c for welding the cover portion 19 to the pillar main body portion 14 so as to protrude upward from the top surface portion 19a.

[0020] Further, a lower roller 20 that runs on the floor (floor surface) F is disposed on the lower surface 13c provided at the lower end of the lower support 13, and the lower roller 20 is provided on a bracket 20a attached to the lower surface 13c in a state in which it is impossible to change direction around the vertical axis, and is movable in the left-right direction, and in this embodiment, the lower rollers 20 are provided on the lower surface 13c as a pair, misaligned in the front-rear and left-right directions. 20b is an operating lever for locking the running (rolling) of the lower roller 20, and although the operating lever 20b is provided on only one of the lower rollers 20 in this embodiment, it is also possible to provide it on both if necessary. Furthermore, in this embodiment, a reinforcing vertical member 13d is provided on the front and rear surface portions 13b of the lower support portion 13 facing the shutter curtain 3 so as to closely face the shutter curtain 3, thereby reinforcing the reinforcing support portion 11 and also directly contacting and supporting the shutter curtain 3 when it is bent by strong winds. The reinforcing pillar 11, which connects the upper support portion 12 and the lower support portion 13 in this manner so that it can freely expand and contract in the vertical direction, is configured so that the upper rollers 15 provided on the upper support portion 12 run and guide the upper rail 9 in the horizontal direction, and the lower rollers 20 provided on the lower support portion 13 run in a straight line in the horizontal direction on the surface (floor surface) of the floor portion F, allowing it to move horizontally between a storage position adjacent to the guide rail 2 on one end of the opening and a reinforcement position midway in the horizontal direction.

[0021] Furthermore, the upper rail 9 is provided with a reinforcing member (second reinforcing member) 21 at a position corresponding to the reinforcing position of the reinforcing column 11. The reinforcing member 21 is provided on one side piece 9b of the upper rail 9 in the front-rear direction (opposite the side where the shutter curtain 3 is arranged (the shutter core X side)), but it can also be provided on the other side piece 9b (the shutter curtain 3 side) or on both side pieces 9b. The reinforcing member 21 is an inverted L-shaped plate material with a vertical piece 21a welded to the side piece 9b of the upper rail 9 and an upper piece 21b fixed to the case lower panel 6e via a screw (not shown), and the reinforcing member 21 further has a reinforcing piece 21c welded to the vertical piece 21a and the upper piece 21b, which is provided at an interval in the left-right direction. In this device, an L-shaped bracket 22a is fixed to the vertical piece 21a, and a hanging fitting 22 having an arc-shaped (can be made into a hook-like or other suitable shape) engaging portion is provided on the bracket 22a so as to be freely attached and detached.

[0022] Furthermore, the reinforcing pillar 11 is provided with support members 23, 24 on both the upper and lower sides to position and support both the upper and lower ends when in the reinforcing position, and both of these support members 23, 24 are provided on the lower pillar portion 13. In this embodiment, the upper support member 23 is provided on the surface (indoor side surface) of the front and rear surface parts 13b of the lower support part 13 opposite to the surface facing the shutter curtain 3, but can be provided on any surface selected from the left and right and front and rear surface parts 13a, 13b of the lower support part 13. A plurality of cylindrical support fittings 23a constituting the upper support member 23 are attached to one of the left and right surface parts 13a on the indoor side of the lower support part 13 (the guide rail 3 side in this embodiment) via brackets 23b, and a linear rod-shaped body 23c penetrates the support fitting 23a so as to be movable in the vertical direction. Below the lowest support fitting 23a among the support fittings 23a, a pair of upper and lower holding fittings 23d, 23e are attached to the front and rear surface parts 13b to hold the rod-shaped body 23c in the vertical position. The lower retaining bracket 23e is flat to receive and support the lower edge portion of the rod-shaped body 23c, but in this embodiment it is magnetized (the lower retaining bracket 23e may be directly magnetized, or may be magnetized by attaching a magnet, etc.) and is configured to magnetically hold the lower edge portion of the rod-shaped body 23c.

[0023] A flange portion 23f extending in the horizontal direction is provided at the lower end edge of the rod-shaped body 23c, while a through groove 23g is formed in the upper holding metal fitting 23d so that when the flange portion 23f is rotated in the front-rear direction while the rod-shaped body 23c is in a penetrated state in which it is free to move up and down, the flange portion 23f can be penetrated in the up-down direction, but when the flange portion 23f is rotated in the left-right direction, the flange portion 23f is locked and cannot be penetrated. Incidentally, the upper holding metal fitting 23d can also be magnetized, so that the flange portion 23f does not fall off the upper holding metal fitting 23d inadvertently. When the reinforcing pillar 11 is positioned in the reinforcement position and the flange portion 23f is held by the lower retaining bracket 23e, the rod-shaped body 23c is in a non-positioning position in which the upper edge portion 23h is located below the upper rail 9. However, by holding the flange portion 23f by the upper retaining bracket 23e, the rod-shaped body 23c is in a positioning position in which the upper edge portion 23h is closely opposed to the stopper piece 9i provided on the upper rail 9, and when in this positioning position, the upper edge portion of the reinforcing pillar 11, which is positioned in the reinforcement position, is prevented from moving toward the storage position. In this embodiment, a second stopper piece 9j is provided on the upper rail 9 to restrict the reinforcing column 11 from moving toward the reinforcing position when the column 11 is in the stored position.

[0024] On the other hand, in this embodiment, the lower support member 24 is provided on the surface opposite the shutter curtain 3 (shutter core X) (the surface on the outer side in the left-right direction) of the front and rear surface portions 13b of the lower support portion 13, but similarly to the upper support member 23, it can be provided on any surface selected from the left-right front and rear surface portions 13a, 13b of the lower support portion 13. The lower support member 24 is constituted by a support bracket 24a having a square cylindrical shape with a top, which is attached to one of the faces 13b in the front-to-rear direction of the lower support portion 13. A rod-shaped body (actuating body) 24b having a square cylindrical shape with a top is fitted into the support bracket 24a so as to be able to move freely in the vertical direction.

[0025] A long hole 24d is formed in one side surface 24c in the left-right direction of the support fitting 24a, and an operating body 24e is provided on the rod-shaped body 24b in a state of penetrating the long hole 24d, and an operating screw 24g is further provided on the indoor side surface 24f of the support fitting 24a. When the operating screw 24g is tightened in a state in which the rod-shaped body 24b has been moved upward above the floor part F, the tip of the operating screw 24g comes into contact with the rod-shaped body 24b in a pressing manner, thereby restricting the rod-shaped body 24b from moving up and down, and when the operating screw 24g is loosened, the rod-shaped body 24b is allowed to move up and down, including by its own weight, and the rod-shaped body 24b that has been lowered by its own weight can be lifted up along the long hole 24d by grasping the operating body 24e. When the rod-shaped body 24b is lowered under its own weight with the reinforcing column 11 in the reinforcing position, the rod-shaped body 24b fits into the drop-in portion 25 described below, assuming a positioning posture that supports and positions the lower end of the reinforcing column 11, thereby restricting movement toward the storage position. However, the upper edge of the rod-shaped body 24b in the lowered state under its own weight is set to be positioned below the operating screw 24g. Therefore, when the rod-shaped body 24b is in the positioning posture in which it has been lowered under its own weight, the operating screw 24g is screwed deep into the support bracket 24a to overlap (position) the tip of the screw above the rod-shaped body 24b, thereby restricting the rod-shaped body 24b from moving upward out of the drop-in portion 25, thereby preventing the rod-shaped body 24b from coming out of the drop-in portion 25 and being released from its position.

[0026] Meanwhile, the recess 25 is formed so as to be embedded in a mounting hole Z drilled in a portion of the floor F corresponding to the reinforcement position, and the recess 25 is composed of a main body 25a, a lid 25b, and a flange 25c. The main body 25a has a bottomed rectangular cylindrical shape, and protruding surface portions 25e are further formed on the left and right outer sides of both the left and right side portions 25d. On the other hand, the flange portion 25c is assembled to the upper edge of the main body portion 25a, and an opening 25f is formed so that the cover portion 25b can be attached and detached freely. One edge portion 25g of the opening 25f in the left-right direction extends to the protruding surface portion 25e, while the other edge portion 25h extends to the other side surface portion 25d. The lid 25b is set to close (cover) the opening 25f by fitting into the opening 25f and being flush with the flange 25c, and an auxiliary plate 25i is provided adjacent to the lower side of the lid 25b. The auxiliary plate 25i is configured to support the lid 25b against the main body 25a, with both left and right edge portions placed on the notches 25j formed in the left and right side portions 25d of the main body when the opening 25f is closed by the lid 25b.

[0027] Furthermore, cover portion 25b is provided on its upper surface with an operating portion 25k having a recessed groove formed therein into which a screwdriver or the periphery of a coin (e.g., a 10-yen coin) can be inserted to rotate the operating portion 25k, and a locking piece 25l is provided at the lower end of operating portion 25k. By rotating operating portion 25k, locking piece 25l fits into locking hole 25m formed in one of main body side surface portions 25d, and thus can be operated from a locked position where it is locked so as not to come off, to an unlocked position where it comes out of locking hole 25m to be in an unlocked state and cover portion 25b can be removed. In this embodiment, when the lid portion 25b is removed while being unlocked by operating the operating portion 25k, the lid portion 25b can be temporarily held in place by inserting the tip portions of the lid portion 25b and the auxiliary plate 25i between one of the main body side portions 25d and the protruding surface portion 25e.

[0028] The reinforcement device 8 of the shutter curtain 3, including the reinforcing pillar 11 embodying the present invention, can be installed at the same time as a newly installed shutter device 1 is set up in the opening E, but it can also be easily installed as an add-on to an existing shutter device 1, and the assembly procedure (method) is described below. When assembling to an existing shutter device 1, the components that need to be transported to site and prepared are the reinforcing posts 11, the upper rail 9, and the drop-in portion 25. Of these components transported to site, the first step is the rail installation process, in which the upper rail 9 is attached to the top of the opening E. Next, a post installation process is carried out to install the reinforcing post 11 into the upper rail 9, but if the upper rail 9 installed in the rail installation process was transported to the site with its opening edge 9e on the reinforcing position side blocked by a blocking plate 9g, the blocking plate 9g is removed to open the opening edge 9e, and the upper roller 15 provided at the upper end of the reinforcing post 11 is inserted and installed through this opening edge 9e, thereby carrying out the post installation process of the reinforcing post 11 to the upper rail 9. The execution of the post installation process of the reinforcing post 11 to the upper rail 9 also includes the step of opening and closing the opening edge 9e via the blocking plate 9g.

[0029] Furthermore, this requires a recess forming process for forming recess 25 in floor section F. If the position for forming recess 25 can be accurately determined on-site based on the design dimensions of floor section F, then the recess forming process can be carried out regardless of whether the rail mounting process or the pillar assembly process is carried out first or after. In this case, however, accurate measurement work is required to determine the recess position. In contrast, if the support installation process has already been performed, the reinforcing support 11 incorporated in the upper rail 6 can be moved to the reinforcing position and the rod-shaped body 24b provided on the lower support member 24 can be lowered by its own weight as described above, thereby identifying the descent location of the rod-shaped body 24b. By drilling the floor portion F of this identified descent location to provide a drop-in portion 25, the simple work of forming the drop-in portion 25 can be performed accurately without the need for troublesome measuring work.

[0030] In this way, the reinforcing device 8 for reinforcing the shutter curtain 3 can be installed, and furthermore, the reinforcing post 11 can be installed into the upper rail 6 by utilizing the upper rail 6. As described above, the upper rail 6 attached to the upper part of the opening is provided with a reinforcing member 21 at a position corresponding to the reinforcing position, and a hoisting fitting 22 is detachably attached to the reinforcing member 21. A simple lifting machine such as an electric hoist 26 (or a manual hoist is of course acceptable) is hooked to the hoisting fitting 22. A locking hook 26b attached to an operating chain 26a suspended from the hoist 26 is locked to a hoisting fitting 27 detachably attached via a bracket 27a to the upper part of the lower support part 13 of the reinforcing support 11. By driving the hoist 26 in this locked state to lift the locking hook 26b, the upper end of the reinforcing column 11 is lifted at the portion corresponding to the reinforcement position, thereby making it easy to install the reinforcing column 11 into the upper rail 6 at the reinforcement position.

[0031] In the reinforcing column 11 according to the present invention, both upper and lower end edges are positioned and held by the upper and lower support members 23, 24 in the reinforcing position, while the reinforcing column 11 can be positioned and held in the stored position by a similar configuration, but as a simple means for holding the reinforcing column 11 in the stored position, the present embodiment can hold the reinforcing column 11 in the stored position by detachably connecting a bracket 28a fixed to the lower holding portion 23e provided on the lower column portion 13 with an engaging portion 28b provided on a body side member such as the guide rail 2 via a connecting member such as a chain 28 or wire. Of course, a means for holding the reinforcing column 11 in the stored position may be magnetic, fastened with a string, or the like.

[0032] In the present embodiment configured as described above, when the shutter curtain 3 that opens and closes the opening E is reinforced using a reinforcing post 11 installed in a vertical position at the reinforcement position of the opening E, the reinforcing post 11 moves between the stored position and the reinforcement position by the upper roller 15 running on the upper rail 9 provided above the opening E. The upper rail 9 is configured with a running surface portion 9c arranged with a guide portion Y that is a gap at the front and rear, and the reinforcing post 11 is configured with a post main body portion 14 that penetrates the guide portion Y from the top to the bottom and has upper rollers on both the front and rear sides of the penetrated upper end. As a result, when the reinforcing post 11 receives the load of the shutter curtain 3 that has been bent by a strong wind, the load is received by the main body support portion 14 itself, which penetrates the upper rail 9 of the reinforcing post 11, abutting the edge portion of the guide portion Y of the upper rail running surface portion 9c, thereby providing strong reinforcement.

[0033] Moreover, in this case, brackets 14b longer in the left-right direction than the pillar main body 14 are attached to the front and rear surface portions 14a of the upper end portion penetrating the guide portion Y of the pillar main body 14, and upper rollers 15 are provided on both the left and right ends of the brackets 14b, respectively, so that the upper rollers 15 themselves are attached to the pillar main body 14 constituting the reinforcing pillar 11 in a state of increased strength. Moreover, the left and right upper rollers 15 are arranged in a left-right wide state, provided on both left and right end edges of the brackets 14b whose left-right spacing is longer than that of the pillar main body 14, so that the reinforcing pillar 11 can move left and right while preventing tilt in the left and right direction as it moves left and right as much as possible.

[0034] In addition, a guide surface portion 16 that is longer in the left-right direction than the pillar main body portion 14 is provided at the portion that penetrates the guide portion Y of the pillar main body portion 14, and is closely opposed to the edge portion on the guide portion Y side of the running surface portion 9c.As a result, the portion that penetrates the guide portion Y of the pillar main body portion 14 is further reinforced by the guide surface portion 16, not only can the reinforcing pillar 11 be reinforced even more effectively, but it is also possible to avoid undesirable deformation of the pillar main body portion 14, such as shifting in position in the front-to-back direction or twisting, when the reinforcing pillar 11 moves left and right, and thus it is possible to guide smooth left and right movement.

[0035] Furthermore, the reinforcing pillar 11 has a portion located below the portion where the guide surface portion 16, which penetrates the guide portion Y of the upper rail 9 of the pillar main body portion 14, is provided, which is wider than the pillar main body portion 14 and faces the shutter curtain 3.As a result, the reinforcing pillar 11 can receive the reinforcement of the shutter curtain 3 that has been bent by strong winds by being in a wider state than the pillar main body portion 14, which is supported by and penetrates the upper rail 9, and can thereby exhibit high reinforcing strength.

[0036] Moreover, the reinforcing column 11 comprises an upper column part 12 comprising a column body part 14, and a lower column part 13 provided with a lower roller 20 that runs on the floor part F, and the lower column part 12 is wider so that the lower column part 13 fits inside it so that it can expand and contract in the vertical direction, so that the reinforcing column 11 reinforces the shutter curtain 3 with the lower column part 13 which is wider than the wide column body part 14 that penetrates the upper rail 9, further improving the reinforcing strength, while the load of the wide lower column part 13 is supported on the floor part F side via the lower roller 20. As a result, the upper rail 9 only needs to support the load of the upper column part 12, reducing the burden and achieving a lightweight and compact design. In this case, the upper rail 9 is provided with a reinforcing member 21 for reinforcing the reinforcement position, so that the reinforcing strength of the reinforcing pillar 11 located at the reinforcement position can be easily increased. [Industrial Applicability]

[0037] The present invention can be used as a reinforcing device for a shutter curtain in an architectural shutter device that is installed to open and close openings such as entrances and exits of structures such as buildings. [Explanation of symbols]

[0038] 1 Shutter device 2 Guide rails 3. Shutter Curtain 8 Reinforcement Device 9 Top Rail 9e Opening edge 9g Closing plate 11 Reinforcement pillar 12 Upper support column 13 Lower support section 14 Pillar body 14a Front and rear both sides 14b Bracket 14c Left and right side 14d Extension 14e sphere 15 Upper roller 16 Guide surface 18 Outer Wall 20 Lower Roller 21 Reinforcement members 22 Hanging bracket 23 Upper support member 23c Rod 24 Lower support member 24b Rod 25 Drop-in section 26 Hoist 27 Hanging bracket F Floor X Shutter Core Y Information Department Z Mounting Hole

Claims

1. In a shutter curtain reinforcing device for an architectural shutter device, a shutter curtain that opens and closes an opening such as an entrance of a building is reinforced by a reinforcing post that is installed vertically at a reinforcing position in the middle of the opening in the left-right direction, When an upper roller that runs on an upper rail provided above the opening is provided on the upper end of the reinforcing column, The upper rail is configured to include a running surface portion disposed at the front and rear with a gap therebetween so that the upper roller can run, and a guide portion which is the gap; The reinforcing column is formed into a rectangular tube shape with a width in the left-right direction on both front and rear sides, and the guide portion is inserted into the front and rear sides of the upper end portion in a loose fit manner. The reinforcing column having a rectangular tube shape is configured so that the front and rear surfaces of the upper end portion face the front and rear end edges constituting the guide portion of the upper rail over the entire width of the front and rear surfaces, A reinforcing device for a shutter curtain in an architectural shutter device, characterized in that upper rollers are attached to both the front and rear sides of the upper end of the reinforcing support post having a penetrating rectangular cylindrical shape.

2. A shutter curtain reinforcing device for an architectural shutter device, in which a shutter curtain that opens and closes an opening such as an entrance to a building is guided by left and right guide rails provided at the opening and is reinforced by a reinforcing post that is installed in a vertical position at the middle of the left and right direction of the opening, When an upper roller that runs on an upper rail provided above the opening is provided on the upper end of the reinforcing column, The upper rail is configured to include a running surface portion disposed at the front and rear with a gap therebetween so that the upper roller can run, and a guide portion which is the gap; The reinforcing column is configured to include a column body having an upper end portion that passes through the guide portion in the vertical direction and has upper rollers provided on both front and rear sides of the passed upper end portion, A reinforcement device for a shutter curtain in an architectural shutter device, characterized in that a bracket that is longer in the left-right direction than the pillar main body is attached to both the front and rear sides of the upper end portion that penetrates the guide portion of the pillar main body, and upper rollers are provided on both the left and right ends of the bracket.

3. A reinforcement device for a shutter curtain in an architectural shutter device as described in claim 2, characterized in that a guide surface portion that is longer in the left-right direction than the pillar main body portion is provided at the guide portion penetration portion of the pillar main body portion and is closely opposed to the guide portion side end edge of the running surface portion.

4. A reinforcing device for a shutter curtain in an architectural shutter device as described in claim 3, characterized in that the portion of the reinforcing support located below the guide surface portion is wider than the main body portion of the support and faces the shutter curtain.

5. A reinforcing device for a shutter curtain in an architectural shutter device as described in claim 4, characterized in that the reinforcing support is composed of an upper support portion having a support main body portion, and a thick lower support portion having a lower roller that runs on the floor portion and into which the support main body portion is fitted so as to be freely expandable and contractable in the vertical direction.

6. 6. A reinforcing device for a shutter curtain in an architectural shutter device according to claim 1, wherein a reinforcing member is provided on the upper rail for reinforcing a portion of the upper rail that is to be reinforced.

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