JPH08831U - Panel shutter - Google Patents

Abstract

(57) [Abstract] [Purpose] For component placement that does not require a special space area to suspend a panel link chain that links multiple panels and meshes with a panel drive sprocket in the panel storage direction. At the same time, the transition operation of each panel can be performed smoothly at all times. [Structure] A hanging roller 25 is arranged further outside of a panel connecting chain 3 arranged outside the left and right side end surfaces of the panel 2, and pins 21 are projectingly provided on both upper sides of each panel 2. Bush 24 for connecting chain 3
And the pin 21 is inserted into and engaged with the bush 24 so as to be rotatable and movable in the thrust direction.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a panel shutter that opens and closes an opening of a building by a shutter curtain configured by connecting a plurality of panels in series with a roller chain.

[0002]

[Prior art]

 A conventional panel shutter is provided with a pair of left and right guide rails standing upright on both sides of the opening for opening and closing the shutter, and a storage box arranged above these guide rails. The upper and lower panels are connected in series by roller chains on the left and right sides respectively, and the roller chains are meshed with the panel drive sprockets in the storage box. By the feed operation of the roller chain by the rotation drive, the panel is continuously transported along the guide rail in the vertical posture in the series posture and in the storage box in the horizontal posture in the parallel posture along the storage rail. It is supposed to do. In the panel side-by-side posture, the suspension rollers pivotally supported on the left and right sides of each panel are rotatably supported on the storage rails so that the panels can be suspended and stored.

[0003]

[Problems to be solved by the device]

 In such a conventional panel shutter, the layout relationship and support structure of the roller chains and hanging rollers provided on both the left and right sides of the panel are complicated, and the panel drive sprockets and storage rails that mesh the roller chains are There was a problem that when the panels were transferred between the two, the transfer operation might not be performed smoothly. Also, when the panels are stored in a parallel position along the storage rails, the roller chain hangs between the panels.In this case, the storage rails must be placed so that they do not interfere with the roller chains. In particular, it is necessary to secure a special space area for hanging the roller chain without any hindrance, and if such a space area is specially secured, the storage box becomes large and a compact storage structure cannot be achieved. There was a problem.

As a conventional shutter device of this type, for example, there is one disclosed in West German Patent Publication No. 270 3512, and in this shutter device, each of a plurality of panels (also referred to as slats) is disclosed. By connecting the lower end of the eye plate member to the left and right end faces with a pin, rotatably supporting the hanging roller on the upper end of the eye plate member, and connecting the roller chain to the roller shaft. However, since the panels are connected in series on both the left and right sides, there is a problem that the connection structure of the panels becomes very complicated.

Further, as described above, the hanging roller pivotally supported on the upper end portion of the eye plate member is provided inside the roller chain (coupling with the panel driving sprocket and connected to the panel driving sprocket). Since it is located between the roller chain), the storage rails must be arranged so that they do not interfere with the roller chain that hangs down when the panel is stored. It is necessary to secure a special space area for hanging the roller chain between them, which complicates the structure and makes the storage box large, making it impossible to make a compact storage structure. was there.

The present invention has been made in order to solve the above-mentioned problems, and a component arrangement that does not require a special space area for suspending a roller chain in a panel parallel posture is required. It is an object of the present invention to provide a panel shutter that can perform the transition operation of each panel smoothly at all times.

[0007]

[Means for Solving the Problems]

 A panel shutter according to the present invention includes a pair of left and right guide rails disposed on both sides of a shutter opening / closing opening and having a storage box at an upper portion, a plurality of panels for moving up and down between the guide rails, and left and right of each of the panels. A suspension roller pivotally supported on both sides, a panel connecting chain that connects the panels to each other on the left and right sides in series, and these panel connecting chains are individually meshed and rotated in the storage box. The panel drive sprocket includes a driven sprocket to be driven and a storage rail that rotatably supports a panel hanging sprocket that has passed through the panel drive sprocket toward the panel storage direction. By the feed operation of the panel connecting chain by the In the panel shutter that continuously transfers the horizontal movement along the storage rail in a parallel posture, the panel connecting chains are arranged outside the left and right end faces of the panel, and the pins are provided on both upper sides of each panel. In addition to projecting, a bush is penetrated through the panel connecting chain, and the pin is inserted into the panel connecting chain through the bush so as to be rotatable and movable in the thrust direction. .

[0008]

[Action]

 In the panel shutter in this invention, the hanging rollers are arranged further outside the panel connecting chain which is arranged outside the left and right end surfaces of each panel and which connects the panels in series. The chain connecting the panels can be hung inside the storage rail that rotatably supports the hanging rollers, so that the storage rails on both sides of the storage box must not interfere with the hanging of the chain connecting the panels. It can be mounted and arranged directly inside the bracket. For this reason, it is not necessary to separately secure a dedicated space area for suspending the panel connecting chain in the moving area of the panel parallel posture as in the conventional case, and accordingly, the storage box can be downsized and a compact delivery can be achieved. Can be structured. Also, pins protruding from both upper sides of each panel are inserted into and engaged with a panel connecting chain via a bush penetrating the panel connecting chain so as to be rotatable and movable in the thrust direction. Therefore, during the panel lifting operation, when the upper end of the panel passes through the panel driving sprocket in the panel storage direction or the panel feeding direction, for example, each panel always hangs down with its own pin as a spindle for the panel connecting chain. It will move smoothly while being maintained. Therefore, the raising / lowering operation and the feeding operation of the panel are always performed reliably and smoothly, and the performance of the panel shutter is improved.

[0009]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. 1 is a vertical sectional view showing a storage box portion of a panel shutter according to an embodiment of the present invention, and FIG. 2 is a schematic perspective view of the panel drive system of FIG. In the figure, 1 is a pair of left and right guide rails, and these guide rails 1 are composed of vertical guide rails standing upright on both sides of a so-called shutter opening / closing opening such as an entrance / exit of a building or a window.

Reference numeral 2 denotes a panel having a plurality of upper and lower stages for opening and closing between the guide rails 1, and these panels 2 are suitable for a rectangular frame 2a as shown in FIGS. 2 and 4 and 5. The face plate 2b is attached.

As shown in FIGS. 3 and 4, pins (support shafts) 21 projecting outward from both end surfaces of the panel 2 are provided on both upper sides of the panel 2. Each panel 2 is connected on both sides by a panel connecting chain 3 composed of roller chains, and a bush 24 that also serves as the link bush is provided at the bent portion of the chain link of the panel connecting chain 3. The pin 21 is inserted through and connected to the bush 24 so as to be rotatable and movable in the thrust direction.

More specifically, as shown in FIGS. 3 and 4, pin brackets 26 are provided on both end surfaces of the upper portion of the panel 2, and the pins 21 are movably inserted in the thrust direction into the pin brackets 26. Therefore, the pin 21 is fixed by the screw 27 at the movement adjusting position in the thrust direction.

In this way, the plurality of panels 2 that move up and down between the two guide rails 1 are connected to each other by the pin 21 and the panel connecting chain 3 in series outside the both end surfaces of each panel 2. It is connected.

A hanging roller 25, which is located further outside the panel connecting chain 3, is rotatably attached to the pin 21 of each panel 2. Further, panel rollers 22 are rotatably supported on both sides of the lower part of each panel 2.

A storage box 5 is arranged above the guide rails 1. The storage box 5 is provided with vertical brackets 5a on both left and right sides, and is located above the guide rails 1 inside the brackets 5a. A pair of left and right panel driving sprockets 8 are pivotally supported, and the panel connecting chain 3 is meshed with these panel driving sprockets 8.

A storage rail 4 is arranged inside the bracket 5 a, and the storage rail 4 is located above the horizontal line passing through the axis of the panel driving sprocket 8 and between the bracket 5 a and the panel driving sprocket 8. From the side toward the panel storage direction. In the example shown in the figure, the panel storage direction side is gradually and downwardly inclined to hang down the panel 2 that has passed the panel drive sprocket 8 toward the panel storage direction. The roller 25 is rotatably supported.

Therefore, the front end side of the storage rail 4 is interposed between the bracket 5a and the panel driving sprocket 8 and overlaps with a cylindrical region having a cross section of the circular rotation locus of the panel driving sprocket 8. are doing.

The storage rail 4 has a mounting surface for the bracket 5a and a rolling surface of the hanging roller 25, and is arranged such that a space is formed below the rolling surface. Is separated from the rotary shaft 20 of the sprocket 8 for driving, and the outer periphery around the shaft center of the sprocket 8 for driving the panel corresponding to the movement locus of the roller 25 for hanging according to the chain feeding direction of the sprocket 8 for driving the panel. In the region, the upper end of the guide rail 1 and the front end of the storage rail 4 are separated from each other to form a railless space region.

Further, the descending terminal end portion of the storage rail 4 arranged aslant as described above is interrupted at a front position which is separated from the depth end in the storage box 5 by a distance corresponding to the installation space of the switch 13. A stopper 4a (see FIG. 1) is provided at the lower end of the storage rail 4 to prevent the hanging roller 25 rolling on the storage rail 4 from falling off.

In the above, the series of panels 2 is vertically moved in a straight line along the guide rails 1 by the feeding operation of the panel connecting chain 3 by the forward and reverse rotations of the panel driving sprockets 8 and the storage rails 4. It is designed to be continuously transferred along with the lateral movement in a parallel posture. In the parallel posture of the panels 2, the panel connecting chain 3 between the panels 2 hangs down inside the storage rail 4.

In such a panel shutter, the abnormal refraction of the panel connecting chain 3 located near the lower portion of the panel driving sprocket 8 is provided on the side portion near the upper end portion of the guide rail 1 extending into the storage box 5. A chain slack detecting device 7 for electrically detecting (slack) is provided.

In the vicinity of the panel drive sprocket 8 in the storage box 5, the panel connecting chain 3 is brought into contact with the panel drive sprocket 8 in an appropriate meshing direction or a meshing disengagement direction in the movement process of the panel 2. Chain guide members 9 and 10 for guiding are arranged.

In these chain guiding members 9 and 10, the panel housing side chain guiding member 9 arranged on the housing rail 4 side near the panel driving sprocket 8 projects from the inside of the bracket 5 a of the housing box 5. It has an upper edge 9b and a side edge 9a that wrap around the side of the panel driving sprocket 8.

More specifically, the upper edge 9b of the panel accommodating side chain guide member 9 is an inner member 9c located inside the addendum circle of the panel drive sprocket 8 and is located outside the addendum circle. It has an outer member 9d located in the movement path of the panel connecting chain 3 that goes in and out of the box 5.

Further, the side edge 9a of the panel accommodating side chain guide member 9 is downwardly positioned on the accommodating rail 4 side of the panel driving sprocket 8 in a state of being spaced apart from and facing the tooth tip of the panel driving sprocket 8. It extends so as to prevent the hanging portion of the panel connecting chain 3 from being entangled and meshed with the panel driving sprocket 8.

The panel accommodating side chain guiding member 9 is formed so as to contact the panel linking chain 3 so that the panel linking chain 3 can be guided in the meshing direction with respect to the panel driving sprocket 8, the meshing releasing direction, and the guide rail 1 direction. Has been done.

On the other hand, the panel inlet / outlet side chain guide member 10 arranged on the guide rail 1 side in the vicinity of the upper end side of the guide rail 1 includes an inner member 10 a located inside the tip circle of the panel driving sprocket 8. , An outer member 10b located outside the tip circle and in the movement path of the panel connecting chain 3, and comes into contact with the panel connecting chain 3 to disengage the panel connecting chain 3 in the meshing direction. Direction and the guide rail 1 direction, the contact guide is formed.

In the above, at least one of the panel storage side chain guiding member 9 and the panel entrance / exit side chain guiding member 10 constitutes a chain / sprocket guiding device.

In the vicinity of the panel entrance / exit of the storage box 5, a panel guide 11 is provided for smoothly guiding the panel rollers 22 at the bottom of each panel 2 in the panel storage direction and the panel feeding direction.

Further, an opening / closing device 13 is arranged in the depth space portion inside the storage box 5. Here, in the storage box 5, the descending end of the storage rail 4 is interrupted at a front position separated from the depth end of the storage box 5 by a distance corresponding to the installation space of the switch 13, so that the storage rail 4 is stopped. The opening / closing device 13 is arranged by utilizing a depth space region in the storage box 5 in which the storage box 5 does not extend.

As shown in FIG. 1, the opening / closing machine 13 integrally has a mounting base 13a, and on the upper and lower portions on both sides of the mounting base 13a, long slots 13b for mounting which are long in the vertical direction are provided. .

Then, in the inner space area of the storage box 5, the opening / closing device 13 is attached to the bracket 5a on one side thereof. At the time of attachment, the opening / closing device 13 is attached to the long hole 13b of the attachment base 13a of the opening / closing device 13. The mounting base 13a is fixed to the bracket 5a by inserting the bolt 28 and screwing and tightening the nut 29 on the bolt 28. Therefore, by loosening the nut 29, the mounting position of the switch 13 can be adjusted in the vertical direction by an amount corresponding to the length of the elongated hole 13b.

The switch 13 has an output sprocket 130 as shown in FIG. 1, and an interlocking sprocket 14 is interlocked with the output sprocket 130 via an interlocking chain 15.

The interlocking sprocket 14 has a first transmission sprocket 17 coaxially and is rotatably attached to the bracket 5 a via a bearing 30. Here, as shown in FIG. 1, the bearing 30 is fitted and mounted so that its position can be adjusted with respect to the notch 5b provided in the bracket 5a. Therefore, the drive-side rotary shaft 16 connecting the interlocking sprocket 14 and the first transmission sprocket 17 can be adjusted in space between the panel drive sprocket 8.

Both ends of the drive side rotary shaft 16 project to the outside of the left and right brackets 5 a via the bearing body 30, and the first transmission sprocket 17 is fitted to the outer projecting ends.

On the other hand, as shown in FIG. 2, the driven side rotary shaft (sprocket shaft) 20 of the panel driving sprocket 8 pivotally supported above the guide rails 1 on the left and right brackets 5a as described above, as shown in FIG. The bearings 31 are projected to the outside of the left and right brackets 5a, and the second transmission sprocket 18 is fitted to the outer protruding ends thereof.

An endless transmission chain 19 is meshed and wound around the first transmission sprocket 17 and the second transmission sprocket 18, whereby the rotational output of the opening / closing machine 13 is left and right. And the panel driving sprocket 8 is rotatably driven.

Therefore, the panel driving sprocket 8 and the interlocking sprocket 14 are arranged inside the bracket 5a, and the first transmission sprocket 17, the second transmission sprocket 18 and the transmission chain 19 are arranged outside the bracket 5a.

In the above description, since the side piece portion 5c is formed along the guide rail 1 on one side (left side in FIGS. 1 and 2) of the bracket 5a, this side piece portion 5c is formed. It can be used as a bracket mounting support for mounting and fixing to a building or the like.

As described above, by using the side piece 5c of the bracket 5a as the bracket mounting support 5c, the driven side rotating shaft 20 supporting the panel weight which is a dynamic load when the panel is lifted is mounted on the bracket mounting support 5c. Can be placed at the closest position. Accordingly, the storage rail 4 supporting the panel load, which is a static load in the panel storage state, can be arranged at a position farther from the bracket mounting support portion 5c than the driven side rotating shaft 20.

As described above, the driven side rotary shaft 20 that supports the dynamic load when the panel is lifted is arranged at the position closest to the bracket mounting support portion 5c, and the storage rail 4 that supports the static load when the panel is stored is provided. By arranging the bracket 5a at a position farther from the bracket mounting support portion 5c, it is advantageous in strength performance of the entire storage box 5 including the bracket 5a.

Further, in the storage box 5, the guide rail 1 is a panel elevating part, the storage rail 4 is a panel storage part, and the system of the opening / closing machine 13 and the drive side rotary shaft 16 is a drive mechanism part. The panel elevating part and the panel storing part are arranged in a space sandwiched by a mechanism part and the bracket mounting support part 5c.

In the drive mechanism section (the inner space area of the storage box 5), the main drive side rotating shaft 16 and the interlocking sprocket 14 are located above the opening / closing machine 13, and the opening / closing machine 13 and the main drive side are located. The rotary shaft 16 and the interlocking sprocket 14 are arranged in a direction substantially parallel to the panel 2 at the storage position suspended by the storage rail 4.

With such an arrangement, the installation space of the switch 13 and the power transmission sprocket (the interlocking sprocket 14 and the first transmission sprocket 17) of the drive side rotary shaft 16 system in the storage box 5 can be minimized. You can Therefore, it is not necessary to make the installation space particularly large, and the installation space of the storage box 5 is reduced as compared with the case where the switch 13 is externally attached to the storage box 5, and the restrictions on the installation work. Can be greatly eased.

A chain tip guide rod 6 parallel to the storage rail 4 is arranged at a position above the storage rail 4 in the storage box 5 so as to be separated therefrom. The chain tip guide rod 6 is arranged by effectively utilizing the upper space between the both end surfaces of the panel 2 suspended by the storage rail 4 and the bracket 5a.

A free end portion (end side link portion) 3a of a panel connecting chain 3 that meshes with a panel driving sprocket 8 and extends in the panel storage direction is movably moored to the chain tip guide rod 6. There is.

As a result, when the panel 2 is moved up and down, the free end portion 3a of the panel connecting chain 3 moves along the chain tip guide rod 6, so that it first moves onto the storage rail 4 during the panel storage operation. The length from the pin 21 of the panel 2 to the free end 3a of the panel connecting chain 3 can be shortened.

Therefore, the free end side of the panel connecting chain 3 does not greatly loosen particularly when the panel is housed, and the entanglement of the panel connecting chain 3 during the panel lifting operation can be reliably prevented.

Further, as described above, since the free end 3a of the panel connecting chain 3 is always moored to the chain tip guide rod 6, the panel connecting chain 3 is detached from the panel driving sprocket 8 when the panel is extended. Nonetheless, safety and reliability will be greatly improved.

Further, as described above, the chain tip guide rod 6 arranged above the storage rail 4 is connected to the panel connecting chain 3 that connects the panels 2 in the parallel posture hung on the storage rail 4 in a U-shape. Since it does not hinder the bending and hanging in a letter shape, there is no need to provide a special space for arranging the chain tip guide rod 6 in the storage box 5, and thus a compact and compact structure can be achieved.

Next, the operation will be described. When the switch 13 is activated in the shutter opening direction, the rotational driving force from the output sprocket 130 via the interlocking chain 15 is the interlocking sprocket 14 → first transmission sprocket 17 → transmission chain 19 → second transmission sprocket 18 → By being transmitted to the panel drive sprocket 8, the panel drive sprocket 8 is rotationally driven in the clockwise direction in FIG.

As a result, the panel 2 between the guide rails 1 is pulled up via the panel connecting chain 3 meshing with the panel driving sprocket 8. When the upper end of the panel 2 reaches the panel drive sprocket 8 due to the pulling up, the upper end of the panel 2 circularly moves along with the panel connecting chain 3 along the pitch circumference of the panel drive sprocket 8 and the storage rail 4 moves. It is guided and moved in the direction.

At this time, the panel roller 22 at the lower part of the panel 2 is guided obliquely upward by the inclined guide portion 11 a of the panel guide 11 and advances in the storage box 5 in the depth direction (panel storage direction).

In this way, the upper end of the panel 2 that has moved upward between the guide rails 1 makes an arc along the tooth tip of the panel drive sprocket 8 toward the storage rail 4 (panel storage direction side). At this time, the panel roller 22 is guided obliquely upward by the panel guide 11, so that the panel 2 is maintained in the vertical posture in the lateral shake prevention state when the panel drive sprocket 8 is passed through in the panel storage direction. Moving.

Then, in the panel 2 that has passed through the panel driving sprocket 8 in the panel storage direction, the hanging rollers 25 on both upper sides of the panel 2 move onto the storage rail 4. At this time, the suspending roller 25 rolls on the storage rail 4 by its inclination, so that the panel 2 automatically descends along the storage rail 4 in the suspended state in the parallel posture by its descending inclination. Move in.

Then, when the suspension roller 25 of the panel 2 that first migrates onto the storage rail 4 reaches the sloped descending end portion of the storage rail 4, the suspension roller 25 is suspended from the storage rail 4. It comes into contact with a stopper 4a provided at the descending end portion and is prevented from falling off from the storage rail 4.

In this way, after the first panel 2 reaches the descending end portion of the storage rail 4, the subsequent panels 2 are sequentially fed, so that the panels 2 sequentially moved to the storage rail 4 are adjacent to each other. It is suspended and stored in a hanging state in parallel.

In the above, when the panel 2 is transferred from the vertical movement of the serial posture along the guide rail 1 to the horizontal movement of the parallel posture along the storage rail 4, the sprocket 8 for driving the panel is connected to the chain 3 for linking the panels. Since the panel inlet / outlet side chain guide member 10 extending so as to be able to guide the engagement direction is arranged on the panel inlet / outlet side that first meshes with the panel inlet / outlet side, the panel drive side of the panel inlet / outlet side chain guide member 10 The panel connecting chain includes an inner member 10a located inside the addendum circle of the sprocket 8 and an outer member 10b located outside the addendum circle and within the movement path of the panel connecting chain 3. 3 is surely guided in a predetermined direction with respect to the sprocket 8 for driving the panel.

Further, even if the panel connecting chain 3 and the panel driving sprocket 8 are abnormally engaged with each other due to some unexpected action, the panel accommodation side chain guide is provided on the panel accommodation side where the engagement is completed. Since the member 9 is arranged, the panel accommodating side chain guiding member 9 has the inside of the tip circle of the panel driving sprocket 8 and the upper side of the horizontal line passing through the axis of the panel driving sprocket 8. The positioned inner member 9c and the inner axis of the panel driving sprocket 8 are located in the movement path of the panel connecting chain 3 that moves in and out of the storage box 5 outside the addendum circle of the panel driving sprocket 8. With the outer member 9d positioned above the horizontal line passing through, the panel connecting chain 3 is properly engaged with the sprocket 8 for driving the panel. Since the guide is brought into contact with the disengagement direction and the guide rail 1 direction, the panel connecting chain 3 is reliably disengaged from the panel driving sprocket 8 and the panel 2 is smoothly stored.

Here, the functions and effects of the inner member 9c and the outer member 9d will be described in more detail. Since the panel connecting chain 3 comes into contact with each other at two portions, the inner member 9c located inside the addendum circle of the panel driving sprocket 8 and the outer member 9d located outside the addendum circle. The contact area is greatly expanded, and the disengagement is performed with certainty and efficiency, and the panel connecting chain 3 and the panel storage side chain guiding member 10 concentrate unreasonable force generated at the time of disengagement. Since it does not occur, unnecessary damage is unlikely to occur and its life is extremely long. In particular, since the contact between the two always occurs at the time of the above reverse activation, such an effect is extremely important.

Further, since the inner member 9c comes into contact with the root portion of the meshing position of the panel connecting chain 3 meshing with the panel driving sprocket 8 and releases the mesh, the mesh releasing effect is extremely high. It is remarkable.

Further, both the inner member 9c and the outer member 9d are located above the horizontal line passing through the axis of the panel driving sprocket 8, so that the panel driving sprocket 8 of the panel connecting chain 3 is removed. The disengagement can be performed extremely efficiently and effectively. However, since the inner member 9c and the outer member 9d are located near the starting end of the storage rail 4 when viewed from the side as shown in FIG. 1, it is extremely effective timing for releasing the meshing of the panel connecting chain 3. It can be carried out.

When the panel is stored, the panel-linking chain 3 moves into the storage box 5 together with the first panel 2 without being entangled by the chain tip guide rod 6, and when the panel 2 is folded and stored, the chain shown in FIG. As shown by the chain double-dashed line (a), the panel 2 is regularly suspended in a U-shape along the side surface of each panel 2.

In this way, when each panel 2 changes its direction from the upward vertical movement in the series posture along the guide rail 1 to the lateral movement in the parallel posture along the storage rail 4, the initial horizontal movement in the parallel posture is performed. In the above, the panel connecting chain 3 connecting the preceding panel 2 and the following panel 2 hangs down, but since this hanging down part is guided downward along the side edge 9a of the panel storage side chain guiding member 9, It is possible to reliably prevent the hanging portion of the panel connecting chain 3 from being entangled with and interlocking with the sprocket 8 for driving the panel, so that the storage rail 4 is not damaged and the vertical movement of the panel 2 is not hindered. This series of operations is repeated each time the subsequent panel 2 reaches the vicinity of the storage rail 4.

Next, when the opening / closing device 13 is started in the reverse rotation from the above-mentioned panel housed state, the rotation output thereof drives the panel drive sprocket 8 to rotate counterclockwise in FIG. The panel 2 on the storage rail 4 is sequentially pulled out in the feeding direction via the panel connecting chain 3 meshed with the sprocket 8 for use.

At this time, in the vicinity of the panel driving sprocket 8, first, the panel connecting chain 3 is moved to a predetermined meshing position of the panel driving sprocket 8 by the side edge 9a and the upper edge 9b of the panel accommodation side chain guiding member 9. Be sure to be guided. Further, the panel connecting chain 3 is smoothly separated from the panel drive sprocket 8 by the other panel entrance / exit side chain guide member 10.

That is, the panel connecting chain 3 is composed of two parts, an inner member 10a located inside the addendum circle of the panel driving sprocket 8 and an outer member 10b located outside the addendum circle. Since they come into contact with each other, the contact area is greatly expanded, and the disengagement is extremely surely and efficiently performed, and the panel connecting chain 3 and the panel inlet / outlet side chain guiding member 10 are forced to exert an unreasonable force at the time of disengagement. Since it is not concentrated in one place, unnecessary damage is unlikely to occur and its life is extremely long. In particular, the contact between the two always occurs at the time of the reverse activation, so such an effect is extremely important.

Further, since the inner member 10a comes into contact with the root portion of the meshing position of the panel connecting chain 3 meshing with the panel driving sprocket 8 to release the mesh, the mesh releasing effect is extremely remarkable. is there.

In the process of raising and lowering the panel 2 as described above, if the panels 2 are folded or clogged in the guide rail 1 by any chance, the panel 2 becomes an unusable situation and cannot be left as it is. It causes a big accident.

However, in this case, abnormal refraction occurs in the panel connecting chain 3, and the chain slack sensing device 7 senses the extraordinary refraction, which causes a large amount of folding or clogging between the panels 2. It can respond immediately to scandals such as accidents.

[0071]

[Effect of device]

 As described above, according to the present invention, the hanging roller is arranged further outside the panel connecting chain that is arranged outside the left and right end surfaces of each panel and connects the panels to each other. When the panel is in the parallel position, the hanging rollers are rotatably supported. The panel connecting chain can be hung inside the storage rail. Therefore, the storage rail is stored so as not to interfere with the hanging of the panel connecting chain. It can be mounted and placed directly inside the brackets on both sides of the box.

Therefore, in the moving area of the panel parallel posture, it is not necessary to specially secure a dedicated space area for suspending the panel connecting chain as in the conventional case, and accordingly, the storage box can be downsized and the storage space can be reduced. The effect is that it can be made into a structure.

Further, pins protruding from both sides of the upper part of each panel are inserted into and engaged with the panel connecting chain so as to be rotatable and movable in the thrust direction via bushes penetrating the panel connecting chain. Therefore, when the panel is moved up and down, for example, when the upper end of the panel passes through the panel drive sprocket in the panel storing direction or the panel extending direction, each panel always hangs down with its own pin as a spindle to the panel connecting chain. It will move smoothly with the posture maintained. Therefore, the lifting / lowering operation and the feeding operation of the panel are always performed reliably and smoothly, and the performance of the panel shutter is improved.

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing a storage box portion of a shutter device according to an embodiment of the present invention.

FIG. 2 is a schematic exploded perspective view of a panel drive system in FIG.

FIG. 3 is a partially enlarged vertical sectional view showing a meshing state of a panel driving sprocket and a panel connecting chain.

FIG. 4 is a partial vertical sectional view of a panel.

5 is a vertical cross-sectional view taken along the line AA of FIG.

FIG. 6 is a partial front view showing a partial cross section of a connecting portion between a panel and a panel connecting chain.

[Explanation of symbols]

 1 Guide Rail 2 Panel 3 Panel Connecting Chain 4 Storage Rail 5a Bracket 8 Panel Drive Sprocket 21 Pin 24 Bush 25 Hanging Roller

Claims (2)

[Scope of utility model registration request] 1. A pair of left and right guide rails disposed on both sides of a shutter opening / closing opening and having a storage box in the upper portion, a plurality of panels for vertically moving between the guide rails, and pivotally supported on both sides of the panel. A hanging roller,
A panel connecting chain that connects the panels in series, a panel driving sprocket that meshes the panel connecting chain in the storage box, and a panel that passes through the panel driving sprocket in the panel storage direction. A storage rail that rotatably supports the hanging roller is provided, and the series of panels are moved in series along the guide rail by the feeding operation of the panel connecting chain by the forward and reverse rotations of the panel driving sprocket. A panel shutter that carries out vertical movement and lateral movement in a parallel posture along the storage rail. 2. A pair of left and right guide rails arranged on both sides of the shutter opening / closing opening and having a storage box in the upper part, a plurality of panels for moving up and down between the guide rails, and left and right side portions of each of the panels. A panel drive that is rotatably driven by a hanging roller that is axially supported, a panel link chain that links the panels in series on the left and right sides, and a panel link chain that individually meshes these panel link chains in the storage box. Sprocket and a storage rail that rotatably supports a panel hanging roller that has passed through the panel drive sprocket in the panel storage direction, and the panel connecting chain is formed by forward and reverse rotation of the panel drive sprocket. By the feeding operation, the series of panels are vertically moved in a series posture along the guide rails and along the storage rails. In a panel shutter that is continuously transported to a horizontal movement in a parallel posture, the panel connecting chain is arranged outside the left and right end surfaces of the panel, and the hanging roller is further outside the panel connecting chain. The panel connecting chain is provided with a pin projecting from both sides of the upper portion of the panel, and a bush is provided through the panel connecting chain. The pin is rotatable and thrust in the thrust direction through the bush. A panel shutter characterized by being movably inserted and engaged.