JP2021025336A - Water cut-off device - Google Patents

Abstract

To provide a water cut-off device having a novel arrangement which improves the device by reducing inconvenience, e.g., by suppressing narrowing a building opening by a water cut-off plate.SOLUTION: A water cut-off device according to the present invention has a shutter curtain 3 provided so as to be brought into contact with a lower installation plane 110 of a building opening 101 for opening and closing the building opening 101 by upward and downward movement thereof, a drive device 6 having a drive mechanism 12 positioned at an upper portion of the building opening 101 for driving the shutter curtain 3, and a water cut-off plate 4 provided in alignment with the shutter curtain 3 on an outer or inner side of the building opening 101 so as to be brought into contact with the installation plane 110 and arranged such that it can be moved in both of upward and downward directions together with the shutter curtain 3.SELECTED DRAWING: Figure 3

Description

The present invention relates to a water stop device.

Conventionally, a shutter curtain that opens and closes a building opening, a winding device that is located above the building opening and has a winding shaft that winds the shutter curtain, and a winding device that is located below the shutter curtain and works in the vertical direction in conjunction with the shutter curtain. A water stop device including a water stop plate configured to be movable is known (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2013-159911

In this type of water stop device, the water stop plate cannot be wound around the take-up shaft of the take-up device. Therefore, for example, in the open state where the building opening is opened, the water stop plate may narrow the building opening. I got angry.

Therefore, one of the problems of the present invention is to obtain a water stop device having a novel configuration improved so as to reduce inconveniences such as suppressing the narrowing of the building opening by the water stop plate.

The water blocking device of the present invention is provided, for example, with a shutter curtain that is provided so as to come into contact with the installation surface below the building opening and opens and closes the building opening by moving in the vertical direction, and is located above the building opening. , A drive device having a drive mechanism for driving the shutter curtain, and the shutter curtain and the building opening are arranged side by side on the outdoor side or the indoor side and are provided so as to be in contact with the installation surface, and are interlocked with the shutter curtain. A water stop plate configured to be movable in the vertical direction is provided.

According to such a configuration, the water stop plate and the shutter curtain can be provided in parallel on the outdoor side or the indoor side of the building opening. Therefore, for example, in the open state where the building opening is opened, the building opening is a water stop plate. Can be suppressed from narrowing. Further, for example, in the closed state where the building opening is closed, rainwater or the like from the outdoor side to the indoor side can be double blocked by the water stop plate and the shutter curtain, so that inundation from the building opening is more likely to be suppressed.

Further, in the water stop device, for example, the water stop plate is positioned so as to be displaced toward the skeleton side to which the drive device is attached with respect to the shutter curtain. According to such a configuration, for example, the water stop plate can be stored in the space between the skeleton and the drive mechanism in the open state where the opening of the building is opened.

Further, in the water stop device, for example, the water stop plate is housed in the accommodating portion of the drive device together with the shutter curtain in an open state in which the building opening is opened. According to such a configuration, for example, it is possible to suppress the water stop plate from being exposed as much as possible from the accommodating portion in the open state, and it is possible to prevent the water stop plate from impairing the appearance or narrowing the opening of the building.

Further, in the water stop device, for example, the installation surface is provided with a horizontal surface with which the shutter curtain abuts and a stepped surface that intersects the horizontal surface and abuts with the water stop plate. According to such a configuration, for example, as compared with the case where the water stop plate is in contact with the horizontal surface together with the shutter curtain in the closed state, the intrusion route of rainwater or the like from the outdoor side to the indoor side is bent, so that the intrusion route from the building opening is bent. Inundation is more likely to be suppressed.

Further, in the water stop device, for example, the water stop plate is located on the outdoor side with respect to the shutter curtain, and an inclined surface that guides the water stop plate downward and toward the step surface on the indoor side. It is provided with a guide mechanism provided with. According to such a configuration, for example, the water stop plate can be guided toward the step surface by the inclined surface of the guide mechanism, and by extension, the adhesion (sealability) between the water stop plate and the step surface in the closed state. ) Is more likely to increase.

Further, in the water stop device, for example, the shutter curtain has a seat plate that can come into contact with the installation surface, and the water stop plate projects toward the shutter curtain side and is in the vertical direction with the seat plate. A hooked portion that works with the shutter curtain is provided by being hooked on the shutter curtain. According to such a configuration, for example, the water stop plate can be interlocked with the shutter curtain by a relatively simple configuration using the hook between the seat plate and the hooked portion.

Further, in the water stop device, for example, one of the seat plate and the hooked portion is provided with a protruding portion extending in the vertical direction, and the other has an opening into which the protruding portion is inserted. Provided. According to such a configuration, for example, the protrusion and the opening suppress the displacement of the water stop plate with respect to the shutter curtain in the crossing direction intersecting the vertical direction, and by extension, the seat plate and the hooked portion are caught. It is easier to obtain the interlocking state of the shutter curtain and the water stop plate more reliably.

According to the present invention, for example, it is possible to obtain a water stop device having a novel configuration improved so as to reduce inconvenience.

FIG. 1 is an exemplary and schematic front view of the water stop device of the embodiment, and is a view of a state in which the water stop plate is positioned at a closed position. FIG. 2 is a sectional view taken along line II-II of FIG. FIG. 3 is a cross-sectional view taken along the line II-II of FIG. 1 in a state where the water stop plate is positioned at the open position. FIG. 4 is an enlarged view of the vicinity of the water stop plate of FIG. FIG. 5 is a sectional view taken along line VV of FIG. FIG. 6 is an exemplary and schematic cross-sectional view of a part of the water blocking device of the first modification. FIG. 7 is an exemplary and schematic cross-sectional view of a part of the water blocking device of the second modification.

Hereinafter, exemplary embodiments and modifications of the present invention will be disclosed. The configurations of the embodiments and modifications shown below, and the actions and effects brought about by the configurations, are examples. The present invention can also be realized by configurations other than those disclosed in the following embodiments and modifications. Further, according to the present invention, it is possible to obtain at least one of various effects (including derivative effects) obtained by the configuration.

In addition, the embodiments and modifications disclosed below include similar components. Therefore, in the following, common reference numerals are given to these similar components, and duplicate explanations are omitted. In this specification, the ordinal number is used only for distinguishing parts, members, parts, positions, directions, etc., and does not indicate the order or priority.

[Embodiment]
FIG. 1 is a front view of the water stop device 1 of the embodiment, and is a view of a state in which the water stop plate 4 is positioned at the closed position P1. As shown in FIG. 1, the water stop device 1 includes, for example, a shutter curtain 3, a water stop plate 4, a guide rail 5, and a take-up device 6, and can open and close the building opening 101. Covering. The building 100 is, for example, a building structure such as a garage, a factory, a warehouse, a building, a store, or a house, and a vehicle such as an automobile, a human being, or the like can enter or exit the building 100 through the building opening 101. The water stop device 1 is also referred to as a shutter device with a water stop plate, an opening / closing device, or the like.

In the following description, for convenience, three directions orthogonal to each other are defined. The X direction is along the thickness direction of the water stop plate 4 and along the opening direction (front-back direction) of the building opening 101. The Y direction is along the width direction of the water stop plate 4 and along the width direction (left-right direction) of the building opening 101. The Z direction is along the vertical width direction of the water stop plate 4 and along the height direction (vertical direction) of the building opening 101.

Further, in the following description, for convenience, the X direction is also referred to as forward, the opposite direction of X direction is also referred to as rear, the Y direction is also referred to as left, the opposite direction of Y direction is also referred to as right, and the Z direction is upward and Z direction. The opposite direction of is sometimes referred to as downward. In the following description, the installation surface 110 is a convenient wording that means a surface adjacent to the lower side of the building opening 101, and includes a floor surface, a concrete surface, the ground, and the like.

Further, in the following description, when there is a possibility that water such as rainwater may enter the space from the front (X direction) to the rear (opposite direction to the X direction) through the building opening 101, the rear is the indoor side. It is defined and the front is defined as the outdoor side. That is, the indoor side is the side where it is desired to prevent (prevent, suppress) the ingress of water by the water blocking plate 4, and the outdoor side is the side where water that may infiltrate flows.

FIG. 2 is a sectional view taken along line II-II of FIG. As shown in FIG. 2, the shutter curtain 3 has, for example, a plurality of slats 31 and a seat plate 32. The lower end of the slat 31 is connected (fixed) to the seat plate 32, and the upper end of the slat 31 is connected (fixed) to the winding shaft 12 of the winding device 6.

As shown in FIG. 1, each of the plurality of slats 31 has a strip-shaped and plate-shaped shape, has a constant width in the Z direction, and extends in the Y direction. The plurality of slats 31 are arranged in the Z direction, and the ends of the slats 31 adjacent to each other are rotatably connected to each other. The shutter curtain 3 is made of, for example, an iron-based material or a metal material such as an aluminum alloy.

As shown in FIG. 2, the seat plate 32 is located at the lower end of the shutter curtain 3 and is provided so as to be in contact with the installation surface 110. In the present embodiment, the shutter curtain 3 and the water stop plate 4 are configured to be movable in the Z direction by being hooked on the hooked portion 44 of the water stop plate 4, which will be described later, in the Z direction. There is.

The water stop plate 4 is positioned so as to be displaced in the X direction (outdoor side) with respect to the shutter curtain 3, for example. As shown in FIG. 1, the water blocking plate 4 has a rectangular and plate-like shape, in other words, a rectangular parallelepiped shape flat in the X direction. The water stop plate 4 is made of, for example, aluminum, stainless steel, a synthetic resin material, or the like.

The guide rails 5 are located at both ends of the shutter curtain 3 and the water stop plate 4 in the Y direction. As shown in FIG. 2, the guide rail 5 is provided with, for example, a groove 5a that supports both ends of the water stop plate 4 in the Y direction, a groove 5c that supports both ends of the shutter curtain 3 in the Y direction, and the like. Has been done.

The groove portions 5a and 5c are opened toward the central portion in the Y direction, and extend linearly in the Z direction between the installation surface 110 and the winding device 6. The guide rail 5 slidably supports the shutter curtain 3 and the water stop plate 4 along the Z direction.

The winding device 6 is provided above the shutter curtain 3 and the water stop plate 4. As shown in FIG. 2, the winding device 6 includes, for example, a shutter case 11, a winding shaft 12, a switch 13, a power transmission mechanism 15, and the like. The take-up device 6 is an example of a drive device.

The take-up device 6 is attached to, for example, a space on the indoor side of the skeleton 103 in the building 100. The skeleton 103 is also referred to as a falling wall member, a ceiling member, or the like. In FIG. 1, for convenience, the skeleton 103 is not shown.

The shutter case 11 is, for example, configured in a rectangular parallelepiped box shape that is horizontally long in the Y direction. The upper end of the guide rail 5, the take-up shaft 12, the switch 13, the power transmission mechanism 15, and the like are provided in the shutter case 11.

Further, in the present embodiment, the shutter case 11 is configured to accommodate the shutter curtain 3 and the water stop plate 4. For example, the water stop plate 4 is housed in the space in the X direction between the winding shaft 12 and the skeleton 103 in a state where the shutter curtain 3 and the shutter curtain 3 are lined up in the X direction. The shutter case 11 is an example of a housing unit.

Further, the shutter case 11 is provided with an opening through which the shutter curtain 3 and the water stop plate 4 enter and exit. The opening is an elongated hole that penetrates the bottom wall 11a of the shutter case 11 in the Z direction and extends in the Y direction along the shutter curtain 3 and the water stop plate 4.

The take-up shaft 12 is rotatably supported by the shutter case 11 around the center of rotation Ax1 along the Y direction. The upper end of the shutter curtain 3 is connected to the take-up shaft 12. By rotating the winding shaft 12 around the center of rotation Ax1, the shutter curtain 3 is wound and stored in the shutter case 11 and the shutter curtain 3 is extended out of the shutter case 11.

The switch 13 has, for example, a motor as a drive source, a brake mechanism for braking the rotation of the take-up shaft 12, a control unit for controlling the motor and the brake mechanism, and the like. The switch 13 is connected to the take-up shaft 12 via a power transmission mechanism 15 including a chain, a sprocket, and the like. As a result, the driving force is transmitted from the switch 13 to the take-up shaft 12. The take-up shaft 12, the switch 13, and the power transmission mechanism 15 are examples of the drive mechanism.

FIG. 3 is a sectional view taken along line II-II of FIG. 1, which is a state in which the water blocking plate 4 is located at the open position P2. As shown in FIGS. 2 and 3, the shutter curtain 3 and the water stop plate 4 have a closed position P1 (see FIG. 2) for closing the building opening 101 and an open position P2 (see FIG. 3) for opening the building opening 101. It is configured to be movable along the Z direction between the two.

The opening direction of the shutter curtain 3 and the water blocking plate 4 is the upper direction (Z direction) of FIGS. 1 to 3, that is, the direction away from the installation surface 110, and the closing direction is the lower direction of FIGS. 1 to 3, that is, the installation surface 110. The direction is approaching. In the present embodiment, the water stop plate 4 moves in the opening direction by the hooked portion 44 as the shutter curtain 3 rises, while moves in the closing direction by its own weight as the shutter curtain 3 descends.

In the state where the water stop plate 4 is positioned at the closed position P1, the water stop rubber 42 (see FIG. 4), which will be described later, comes into contact with the stepped surface 111 of the installation surface 110, and the building opening 101 is closed together with the shutter curtain 3. As a result, the space between the water stop plate 4 and the installation surface 110 is sealed, and the ingress of water such as rainwater into the indoor side through the building opening 101 is prevented (prevented or suppressed).

Further, in the state where the water stop plate 4 is located at the open position P2 (see FIG. 3), the water stop plate 4 is separated from the installation surface 110 together with the shutter curtain 3 in the Z direction, and the building opening 101 is opened. Here, in the present embodiment, at the open position P2, the water stop plate 4 is housed in the shutter case 11 together with the shutter curtain 3. As a result, it is suppressed that the appearance is spoiled by the water blocking plate 4 and the building opening 101 is narrowed, and thus interference (contact) between the vehicle such as an automobile passing through the building opening 101 and the water blocking plate 4 is suppressed. be able to.

FIG. 4 is an enlarged view of the vicinity of the water stop plate 4 of FIG. 2, and FIG. 5 is a VV cross-sectional view of FIG. As shown in FIGS. 4 and 5, the water stop plate 4 includes, for example, a panel portion 41, water stop rubbers 42 and 43, a hooked portion 44, sliders 45 and 46, and a cover portion 47. doing. The panel portion 41 is also referred to as a water stop plate main body or the like.

Both ends of the panel portion 41 in the Y direction are movably supported along the Z direction between the closed position P1 and the open position P2 described above by the groove portion 5a (see FIG. 5) of the guide rail 5. The panel portion 41 has rigidity that can withstand the water pressure at the time of flooding. The panel portion 41 is configured by, for example, filling the inside of a frame of a lightweight metal plate containing aluminum and having rust prevention properties with a filler.

The water blocking rubber 42 (see FIG. 4) is provided, for example, on the rear surface of the panel portion 41 on the indoor side and covers the lower end portion of the rear surface. The waterproof rubber 42 has a predetermined width in the Z direction, and is formed in a strip shape extending in the Y direction. The waterproof rubber 42 is made of, for example, an elastomer such as synthetic rubber. The water stop rubber 42 is also referred to as a bottom water stop rubber, a first seal member, a first section, or the like.

The water stop rubber 42 is interposed between the step surface 111 provided on the installation surface 110 and the panel portion 41 in a state where the water stop plate 4 is located at the closed position P1. The waterproof rubber 42 is elastically compressed by being sandwiched between the stepped surface 111 and the panel portion 41 to generate surface pressure. Due to this surface pressure, water is suppressed from entering the indoor side from between the stepped surface 111 and the panel portion 41.

The waterproof rubber 42 is not limited to this example, and may be provided on the stepped surface 111 side, for example. The step surface 111 intersects (orthogonally) the horizontal plane 112 with which the shutter curtain 3 abuts on the installation surface 110, and is lowered one step forward (outdoor side) from the horizontal plane 112. The stepped surface 111 may also be referred to as a vertical surface or the like.

The waterproof rubber 43 is provided on the rear surface of the panel portion 41, for example, and covers both ends of the rear surface in the Y direction. As shown in FIG. 5, the water blocking rubber 43 has a predetermined width in the Y direction, and is formed in a strip shape extending in the Z direction. The waterproof rubber 43 is made of, for example, an elastomer such as synthetic rubber. The water stop rubber 43 is also referred to as a side water stop rubber, a second seal member, a second section, or the like.

The water stop rubber 43 is interposed between the indoor side surface of the groove portion 5a and the panel portion 41 in a state where the water stop plate 4 is located at the closed position P1. The waterproof rubber 43 is elastically compressed by being sandwiched between the side surface of the groove portion 5a and the panel portion 41 to generate surface pressure. Due to this surface pressure, water is prevented from entering the indoor side from between the side surface of the groove portion 5a and the panel portion 41. The water blocking rubber 43 is not limited to this example, and may be provided on the groove 5a side, for example.

The hooked portion 44 is provided on the rear surface of the panel portion 41, for example. The hooked portion 44 projects from the panel portion 41 toward the shutter curtain 3, that is, rearward (in the opposite direction to the X direction), and extends in the Y direction. The hooked portion 44 is positioned so as to overlap the seat plate 32 in the Z direction. The hooked portion 44 is also referred to as a hooking plate or the like.

As shown in FIG. 4, the hooked portion 44 faces the seat plate 32 at a distance in the Z direction when the water stop plate 4 is located at the closed position P1. In the present embodiment, for example, the amount of overlap of the hooked portion 44 and the seat plate 32 in the X direction is set to be larger than the width of the inclined surface 5b1 (see FIG. 3) of the guide rail 5 along the X direction. ing.

As a result, for example, even when the water stop plate 4 is guided downward and indoors by the inclined surface 5b1, the shutter curtain 3 and the water stop plate 4 are interlocked by being caught by the seat plate 32 and the hooked portion 44 in the Z direction. The release of the state is suppressed.

In this embodiment, an elastic member 33 made of, for example, a foamable synthetic resin material or rubber is provided on the upper surface of the seat plate 32. The elastic member 33 is interposed between the seat plate 32 and the hooked portion 44 to suppress the buffering between the seat plate 32 and the hooked portion 44. The elastic member 33 is also referred to as a cushioning material, a cushioning material, or the like.

Sliders 46 (see FIG. 5) are provided, for example, on both end faces of the panel portion 41 in the Y direction. The slider 46 is movably supported along the Z direction by the groove portion 5b provided at the bottom of the groove portion 5a. The slider 46 is, for example, a side surface of the groove 5b, a roller capable of rolling the inclined surface 5b1 (see FIG. 3) described above, or the like. As a result, the water stop plate 4 can move smoothly along the guide rail 5.

Sliders 45 (see FIG. 2) are provided, for example, at both ends in the Y direction on the front surface of the panel portion 41 on the outdoor side. The slider 45 is, for example, a roller capable of rolling the inclined surface 52a of the guide mechanism 52. The slider 45 is not limited to this example, and may be provided so as not to rotate with respect to the panel portion 41.

The cover portion 47 (see FIG. 4) is provided, for example, at the lower two corner portions on the front surface of the panel portion 41 on the outdoor side. The cover portion 47 has, for example, a front wall 47a, a lower wall 47b, a bent portion 47c, and the like, and covers the corner portion of the panel portion 41. That is, the cover portion 47 functions as a corner guard of the panel portion 41. Thereby, the protection property of the corner portion of the panel portion 41 can be enhanced.

Further, the bent portion 47c is slidably supported by the inclined surface 51a of the guide mechanism 51. As shown in FIGS. 2 and 3, in the present embodiment, when the water stop plate 4 is directed to the closed position P1, the bent portions 47c and the sliders 45 and 46 are inclined surfaces 51a, 52a and 5b1 of the guide mechanisms 51 and 52. The water stop plate 4 slides downward and indoors along the above, and the water stop plate 4 moves downwards and indoors. As a result, the waterproof rubber 42 is elastically compressed in the X direction by the panel portion 41 and the stepped surface 111, and the waterproof rubber 43 is elastic in the X direction by the panel portion 41 and the indoor side surface of the groove portion 5a. A compressed state is obtained.

As described above, in the present embodiment, for example, the water stop device 1 is provided so as to be in contact with the installation surface 110 below the building opening 101, and a shutter curtain that opens and closes the building opening 101 by moving in the vertical direction. A winding device 6 (driving device) having a winding shaft 12 (driving mechanism) for winding and driving the shutter curtain 3 and the shutter curtain 3 and the X of the building opening 101, which are located above the building opening 101. It is provided with a water stop plate 4 which is arranged in the direction (outdoor side) and is provided so as to be in contact with the installation surface 110 so as to be movable in the vertical direction in conjunction with the shutter curtain 3.

According to such a configuration, the water stop plate 4 and the shutter curtain 3 can be provided in parallel in the X direction (outdoor side) of the building opening 101. Therefore, for example, the open position P2 (open) for opening the building opening 101. In the state), it is possible to prevent the building opening 101 from being narrowed by the water stop plate 4. Further, for example, in the closed position P1 (closed state) in which the building opening 101 is closed, rainwater or the like from the outdoor side to the indoor side can be double blocked by the water stop plate 4 and the shutter curtain 3, so that the building opening 101 can be double-blocked. Inundation from the water is more likely to be suppressed.

Further, in the present embodiment, for example, the water stop plate 4 is positioned so as to be offset from the shutter curtain 3 toward the skeleton 103 to which the winding device 6 is attached. According to such a configuration, for example, in the open position P2 (open state) in which the building opening 101 is opened, the water stop plate 4 is housed (wound) in the skeleton 103 and the winding shaft 12. It can be stored in the space between and in the X direction.

Further, in the present embodiment, for example, the water stop plate 4 is housed in the shutter case 11 (accommodation portion) of the winding device 6 together with the shutter curtain 3 at the open position P2 (open state) in which the building opening 101 is opened. To. According to such a configuration, for example, the water stop plate 4 is suppressed from being exposed as much as possible from the shutter case 11 at the open position P2, and the appearance is impaired by the water stop plate 4 or the building opening 101 is narrowed. Can be suppressed.

Further, in the present embodiment, the installation surface 110 is provided with a horizontal surface 112 with which the shutter curtain 3 abuts and a stepped surface 111 that intersects the horizontal surface 112 and abuts with the water blocking plate 4. According to such a configuration, for example, as compared with the case where the water stop plate 4 comes into contact with the horizontal surface 112 together with the shutter curtain 3 at the closed position P1, the intrusion route of rainwater or the like from the outdoor side to the indoor side is bent. Inundation from the building opening 101 is more likely to be suppressed.

Further, in the present embodiment, for example, the water stop plate 4 is located in the X direction (outdoor side) with respect to the shutter curtain 3, and is inclined to guide the water stop plate 4 downward and toward the step surface 111 on the indoor side. A guide mechanism 51 provided with a surface 51a is provided. According to such a configuration, for example, the water stop plate 4 can be guided toward the step surface 111 by the inclined surface 51a of the guide mechanism 51, and by extension, with the step surface 111 at the closed position P1 of the water stop plate 4. Adhesion between them (sealability) is likely to increase.

Further, in the present embodiment, for example, the shutter curtain 3 has a seat plate 32 that can come into contact with the installation surface 110, and the water stop plate 4 projects toward the shutter curtain 3 side and vertically with the seat plate 32. A hooked portion 44 that works with the shutter curtain 3 by being hooked is provided. According to such a configuration, for example, the water stop plate 4 can be interlocked with the shutter curtain 3 by a relatively simple configuration using the hooking of the seat plate 32 and the hooked portion 44.

[First modification]
FIG. 6 is a cross-sectional view of a part of the water stop device 1A of the first modification. The water stop device 1A has the same configuration as the water stop device 1 of the above embodiment. Therefore, the water stop device 1A can obtain the same operation and effect as the above-described embodiment based on the same configuration.

However, this modification is different from the above embodiment in that the seat plate 32 is provided with a protruding portion 32a protruding in the Z direction, as shown in FIG. The protruding portion 32a is located at a substantially central portion of the seat plate 32 in the Y direction, and extends in the Y direction along the hooked portion 44, for example. The protruding portion 32a is not limited to this example, and for example, a plurality of protruding portions 32a may be provided intermittently in the Y direction.

Further, the hooked portion 44 is provided with an opening 44a through which the protruding portion 32a penetrates in the Z direction. In the present embodiment, for example, the contact between the edge of the opening 44a and the protrusion 32a limits the movement of the water stop plate 4 to the shutter curtain 3 in the XY plane. That is, the edge portion of the protrusion 32a and the opening 44a is an example of the positioning portion.

As described above, according to the present modification, for example, the protrusion 32a and the opening 44a suppress the displacement of the water blocking plate 4 with respect to the shutter curtain 3 in the intersecting direction (XY plane) intersecting the Z direction. As a result, it is easier to more reliably obtain the interlocking state of the shutter curtain 3 and the water stop plate 4 due to the hooking of the seat plate 32 and the hooked portion 44.

In this modification, the case where the seat plate 32 is provided with the protruding portion 32a and the hooked portion 44 is provided with the opening 44a is exemplified, but the present invention is not limited to this example, and for example, the hooked portion is provided. A protrusion may be provided on the 44 and an opening may be provided on the seat plate 32.

[Second modification]
FIG. 7 is a cross-sectional view of a part of the water stop device 1B of the second modification. The water stop device 1B has the same configuration as the water stop device 1A of the first modification. Therefore, the water stop device 1B can obtain the same action and effect as the first modification based on the same configuration.

However, this modification is different from the first modification in that the seat plate 32 is provided with a loop-shaped protrusion 32b as shown in FIG. 7. The protruding portion 32b is located at a substantially central portion of the seat plate 32 in the Y direction, and extends in the Y direction along the hooked portion 44, for example. The protrusion 32b is provided with an opening 32c that penetrates in the Y direction. The protruding portion 32b is not limited to this example, and for example, a plurality of protruding portions 32b may be provided intermittently in the Y direction.

Further, the hooked portion 44 is formed in a substantially L shape, for example, protruding from the panel portion 41 in the opposite direction in the X direction and extending in the Y direction. The hooked portion 44 is also referred to as a hook portion or the like. In the present embodiment, for example, the hooked portion 44 and the protruding portion 32b are engaged with each other by inserting the tip of the hooked portion 44 into the opening 32c. As a result, the movement of the water stop plate 4 with respect to the shutter curtain 3 in the X direction, the Y direction, and the Z direction is restricted, and by extension, the interlocking state of the shutter curtain 3 and the water stop plate 4 can be more reliably obtained. In particular, the upper wall of the protruding portion 32b pushes the hooked portion 44 downward as the shutter curtain 3 descends, so that the water stop plate 4 can move more reliably from the open position P2 to the closed position P1.

The water stop plate 4 is not limited to this example, and for example, the upper wall of the protruding portion 32b lowers the hooked portion 44 in a state where the seat plate 32 is slightly upwardly separated from the horizontal plane 112 at the closed position P1. The waterproof rubber 42 may be brought into close contact with the stepped surface 111 by pushing it down. Further, the hooked portion 44 is not limited to this example, and may be coupled (fixed) to, for example, the protruding portion 32b.

Although the embodiments and modifications of the present invention have been illustrated above, the above-described embodiments and modifications are examples, and the scope of the invention is not intended to be limited. The above-described embodiment and modification can be implemented in various other forms, and various omissions, replacements, combinations, and changes can be made without departing from the gist of the invention. In addition, specifications such as each configuration and shape (structure, type, direction, type, size, length, width, thickness, height, number, arrangement, position, material, etc.) are changed as appropriate. Can be carried out.

For example, the drive device is not limited to a take-up device having a take-up shaft or the like for taking up and driving the shutter curtain, and for example, a folding device having a drive mechanism for folding and driving, or a drive mechanism for separating and polymerizing the shutter curtain. The drive device according to the drive type of the shutter curtain, such as the separation polymerization device provided and the feed device having a drive mechanism for feed drive, can be variously changed. In addition, the inside of the accommodating portion includes the inside of the shutter case installed so as to surround the entire or part of the shutter curtain and the driving device, and the inside of the space portion in which the shutter curtain is accommodating when the shutter curtain is simply opened without the shutter case. Including. Further, the shutter curtain may be, for example, one composed of a plurality of panels or pipes, or the like, in addition to the one composed of a plurality of slats.

1,1A, 1B ... Water stop device, 3 ... Shutter curtain, 4 ... Water stop plate, 6 ... Winding device (drive device), 11 ... Shutter case (accommodation part), 12 ... Winding shaft (drive mechanism), 32 ... Seat plate, 32a ... Protruding part, 44 ... Hooked part, 44a ... Opening, 51, 52 ... Guide mechanism, 5b1, 51a, 52a ... Inclined surface, 101 ... Building opening, 103 ... Frame, 110 ... Installation surface , 111 ... Step surface, 112 ... Horizontal plane, P1 ... Closed position (closed state), P2 ... Open position (open state), Z ... Vertical direction.

Claims (7)

A shutter curtain that is provided so as to come into contact with the installation surface below the building opening and opens and closes the building opening by moving in the vertical direction.
A drive device located above the building opening and having a drive mechanism for driving the shutter curtain.
A water stop plate which is arranged alongside the shutter curtain and the outdoor side or the indoor side of the building opening and is provided so as to be in contact with the installation surface and is movable in the vertical direction in conjunction with the shutter curtain.
Equipped with a water stop device. The water stop device according to claim 1, wherein the water stop plate is positioned so as to be offset from the shutter curtain toward the skeleton side to which the drive device is attached. The water stop device according to claim 1 or 2, wherein the water stop plate is housed in an accommodating portion of the drive device together with the shutter curtain in an open state in which the opening of the building is opened. The aspect according to any one of claims 1 to 3, wherein the installation surface is provided with a horizontal surface with which the shutter curtain abuts and a stepped surface that intersects the horizontal surface and abuts with the water stop plate. Water stop device. The water stop plate is located on the outdoor side with respect to the shutter curtain.
The water stop device according to claim 4, further comprising a guide mechanism provided with an inclined surface that guides the water stop plate downward and toward the stepped surface on the indoor side. The shutter curtain has a seat plate that can come into contact with the installation surface.
Any one of claims 1 to 5, wherein the water stop plate is provided with a hooked portion that projects toward the shutter curtain side and is hooked on the seat plate in the vertical direction to interlock with the shutter curtain. The water stop device described in. The sixth aspect of claim 6, wherein one of the seat plate and the hooked portion is provided with a protrusion extending in the vertical direction, and the other is provided with an opening into which the protrusion is inserted. Water stop device.

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