JP2020172811A - Water stop and shutter with water stop - Google Patents

Abstract

To provide a water stop and a shutter with water stop having a novel configuration which is improved by eliminating inconveniences capable of improving the sealing performance by a sealing member.SOLUTION: Disclosed water stop is installed on an installation surface, for example, facing upward and extending in the width direction of the building opening so as to separate the outdoor side and the indoor side at least on the bottom. The water stop includes: a hollow panel that has a front wall that has a front plane extending vertically and in a width direction at the indoor side and a first inner plane facing the inner room behind the front plane, in which an interior room capable of accommodating water from the outdoor side is formed inside, and a bottom surface extending in the width direction facing the installation surface; and a seal member arranged on the bottom face, which extends in the width direction while at least partially separating from the first inner plane to the outdoor side, and seals between the bottom surface and the installation surface.SELECTED DRAWING: Figure 4

Description

The present disclosure relates to a water stop plate and a shutter with a water stop plate.

Conventionally, a water stop plate provided with a plate-shaped member covering a building opening and a sealing member extending along the lower end portion of the plate-shaped member and sealing between the lower end portion and a stepped surface provided on the floor surface. , Known (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2013-159911

It would be beneficial for this type of water stop plate to have a new configuration that has been improved to reduce inconvenience, for example, to further enhance the sealing performance of the sealing member.

Therefore, one of the problems of the present disclosure is, for example, to obtain a water stop plate and a shutter with a water stop plate having a new structure improved so as to reduce inconvenience.

The water stop plate of the present disclosure is, for example, a water stop plate installed on an installation surface facing upward and extending in the width direction of the building opening so as to separate the outdoor side and the indoor side at least at the lower part of the building opening. An inner chamber capable of accommodating water from the outdoor side is provided inside, and the front surface extending in the vertical direction and the width direction on the indoor side and the first inner surface facing the inner chamber on the back side of the front surface are provided. A hollow plate having a front wall having a front wall, a bottom surface facing the installation surface and extending in the width direction, and a hollow plate provided on the bottom surface, extending in the width direction, and at least partially from the first inner surface. It is provided with a sealing member that is separated from the outside and seals between the bottom surface and the installation surface. According to such a configuration, for example, the pressing force from above on the seal member increases by the weight of the water existing on the indoor side of the seal member among the water in the inner room, so that the seal member can be used for sealing. It is easy to obtain the required required surface pressure. Therefore, the sealing performance can be improved.

Further, the water blocking plate includes, for example, a rear wall having a rear surface facing the outdoor side and extending in the vertical direction and the width direction, and a second inner surface facing the inner chamber on the back side of the rear surface, and the above. A bottom wall having a bottom surface and a third inner surface facing the inner chamber on the back side of the bottom surface is provided, and the bottom wall penetrates the bottom wall between the sealing member and the second inner surface. A through hole opened in the bottom surface is provided. According to such a configuration, for example, the through hole and the sealing member can be arranged on the bottom surface at a position where the respective actions and effects can be obtained without interfering with each other.

Further, in the water stop plate, for example, each of the end portions in the width direction of the front surface is supported by a support surface facing the indoor side of the end portion, and is an inclined surface installed in the building opening. A guided portion is provided to be guided by an inclined surface that guides the water stop plate downward and indoors, and a cover member that partially covers the through hole is provided. That is, in the water stop plate, the cover member functions as a cover for the guided portion and the through hole. According to such a configuration, for example, the number of parts can be reduced as compared with the case where the guided portion and the cover of the through hole are made of different parts, and the labor and cost of manufacturing can be reduced. Can be done.

Further, in the water stop plate, for example, the cover member covers a corner portion between the bottom surface, the rear surface, and the end surface of the water stop plate in the width direction. That is, in the water stop plate, the cover member also functions as a guard at the corner. According to such a configuration, the number of parts is further reduced as compared with the case where the guard at the corner is composed of parts other than the guided part, the cover of the through hole, or the support member of the roller, for example. This makes it possible to further reduce the labor and cost of manufacturing.

Further, in the water stop plate, for example, the cover member further supports a roller that can roll along the guide rail of the water stop plate. That is, in the water stop plate, the cover member also functions as a support member for the roller. According to such a configuration, the number of parts is further reduced as compared with the case where the support member of the roller is composed of parts other than the guided portion, the cover of the through hole, or the guard at the corner, for example. This makes it possible to further reduce the labor and cost of manufacturing.

Further, the water stop plate includes, for example, a shutter curtain in which a plurality of slats extending in the width direction are connected side by side in the vertical direction, and the water stop plate attached to the lower end of the shutter curtain. .. According to such a configuration, for example, in a shutter with a water stop plate, the effect of the water stop plate can be obtained.

According to the present disclosure, for example, it is possible to obtain a water stop plate having a novel structure improved so as to reduce inconvenience, such that the sealing performance of the sealing member can be further improved.

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 shutter is positioned in the closed position. FIG. 2 is an exemplary and schematic side view of the water stop device of the embodiment, and is a view of a state in which the shutter is positioned in the closed position. FIG. 3 is an exemplary and schematic side view of the water stop device of the embodiment, and is a view of a state in which the shutter is positioned in the open position. FIG. 4 is an exemplary and schematic cross-sectional view seen from the width direction of the building opening below the water stop plate of the embodiment. FIG. 5 is an exemplary and schematic perspective view of the widthwise end of the water stop plate of the embodiment as viewed from the indoor side and below. FIG. 6 is an exemplary and schematic plan view of the water stop plate of the embodiment as viewed from below the widthwise end of the building opening. FIG. 7 is an exemplary and schematic side view of the guide mechanism of the water stop plate of the modified example of the embodiment.

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 results (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.

Similar components are included in the following embodiments and variations. Therefore, in the following, a common reference numeral may be given to similar components, and duplicate explanations may be omitted. Further, in the present specification, the ordinal numbers are given for convenience in order to distinguish parts, parts, etc., and do not indicate the priority order or the order.

Further, in each drawing, the width direction of the building opening 1 is referred to as Dw, the upper portion is referred to as Du, and the lower portion is indicated as Dl. Further, the direction orthogonal to the width direction Dw and the upper Du and facing the indoor side is referred to as the indoor direction and is referred to as Di, and the direction orthogonal to the width direction Dw and the upper Du and facing the outdoor side is referred to as the outdoor direction and is referred to as Do. Further, in the following, unless otherwise specified, the width direction of the building opening 1 is simply referred to as the width direction. In the following, for convenience, the indoor side is referred to as the front and the outdoor side is referred to as the rear.

[Embodiment]
FIG. 1 is a front view of the water stop device 10 and shows a state in which the shutter 100 is positioned at the closed position Pc. FIG. 2 is a side view (partial cross-sectional view) of the water stop device 10 and shows a state in which the shutter 100 is positioned at the closed position Pc. Further, FIG. 3 is a side view (partial cross-sectional view) of the water stop device 10 and shows a state in which the shutter 100 is positioned at the open position Po. Further, FIG. 4 is a cross-sectional view of the lower portion of the water stop plate 120 as viewed in the width direction.

As shown in FIGS. 1 to 3, the water stop device 10 includes a shutter 100 that moves in the vertical direction to open and close the building opening 1. The shutter 100 may also be referred to as a vertical opening / closing shutter. A building 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 leave the building through the building opening 1.

The water stop device 10 includes a guide rail 210, a take-up device 220, and a guide mechanism 230 (see FIG. 4) as equipment installed in the building.

The guide rail 210 supports both ends of the shutter 100 in the width direction so as to be movable in the vertical direction. The shutter 100, which is supported by the guide rail 210 so as to be vertically movable, can be moved between the closed position Pc shown in FIGS. 1 and 2 and the open position Po shown in FIG.

Further, the guide rail 210 functions as a support member for supporting both ends in the width direction of the shutter 100 located at the closed position Pc. When water pressure acts on the shutter 100 from the outdoor side due to a flood or the like while the guide rail 210 is located at the closed position Pc, the guide rail 210 supports the shutter 100 at both ends in the width direction. The water stop plate 120 may be supported by a member different from the guide rail 210.

The take-up device 220 is provided adjacent to the upper part of the building opening 1. The take-up device 220 has a motor and a take-up shaft (not shown). The winding state and the feeding state of the shutter 100 on the winding shaft are switched according to the rotation of the shaft of the motor controlled by the control device (not shown). The winding state may also be referred to as a stowed state, and the unwinding state may also be referred to as a sending state. The shutter 100 opens the building opening 1 by being wound around the winding shaft. Further, the shutter 100 closes the building opening 1 by being drawn out from the winding shaft.

The guide mechanism 230 shown in FIG. 4 guides the widthwise end of the water stop plate 120 downward and indoors when the shutter 100 is closed. The operation of the guide mechanism 230 will be described later.

As shown in FIGS. 1 to 3, the shutter 100 includes a shutter curtain 110 and a water stop plate 120. The water stop plate 120 is connected to the tip of the shutter curtain 110 in the longitudinal direction, that is, in the feeding direction, and in a state where the shutter 100 is located at the closed position Pc as shown in FIGS. 120 is adjacent below the shutter curtain 110. That is, the water stop plate 120 constitutes the end portion of the shutter 100 in the longitudinal direction. The shutter 100 is an example of a shutter with a water stop plate.

As shown in FIG. 1, the shutter curtain 110 has a plurality of slats 111. Each slat 111 has a strip-shaped and plate-shaped shape, has a constant width in the longitudinal direction of the shutter 100, and extends in the width direction of the shutter 100. A plurality of slats 111 are arranged in the width direction of the slats 111, that is, in the longitudinal direction of the shutter 100, and the widthwise ends of the slats 111 adjacent to each other are rotatably connected to each other, thereby forming the shutter curtain 110. ing. The shutter curtain 110 is made of a metal material such as an iron-based material or an aluminum alloy.

The water stop plate 120 is connected to the longitudinal end of the shutter curtain 110, in other words, the end of the shutter curtain 110 in the feeding direction, and has a rectangular and plate-like shape, in other words, a flat rectangular parallelepiped shape. have. The water stop plate 120 is short in the longitudinal direction of the shutter 100, long in the width direction of the shutter 100, and thin in the thickness direction of the shutter 100. As shown in FIGS. 1 and 2, at the closed position Pc, the width direction of the water stop plate 120 is along the vertical direction, the longitudinal direction of the water stop plate 120 is along the width direction of the building opening 1, and the water stop plate 120 The thickness direction is along the indoor direction (outdoor direction).

FIG. 5 is a perspective view of the water stop plate 120 in the width direction and at the lower end of the water stop plate 120 as viewed from below on the indoor side. As shown in FIG. 5, the water stop plate 120 has an elongated sealing member 122. The sealing member 122 is made of an elastomer such as synthetic rubber.

The seal member 122 has a first section D1, a second section D2, and a third section D3. The first section D1, the second section D2, and the third section D3 are continuous. The first section D1 extends in the width direction on the bottom surface 120c of the water stop plate 120. The third section D3 extends vertically along the side of the front surface 120a at the widthwise end 120a1 of the front surface 120a on the indoor side of the water stop plate 120. The second section D2 extends along the indoor direction (outdoor direction) on the bottom surface 120c. Further, the outdoor end of the second section D2 is in contact with the widthwise end of the first section D1, and the indoor end of the second section D2 is in contact with the lower end of the third section D3. .. As shown in FIGS. 2 and 4, in the closed position Pc, the first section D1 and the second section D2 are sandwiched between the bottom surface 120c and the installation surface 1a of the building opening 1, and the third section D3 is the front surface. It is sandwiched between 120a and the support surface 210a located on the indoor side thereof. Therefore, the downward force acting on the water stop plate 120 elastically compresses the first section D1 and the second section D2 between the bottom surface 120c and the installation surface 1a, and a required sealing surface pressure is obtained. At the same time, the force acting on the water stop plate 120 in the indoor direction elastically compresses the third section D3 between the front surface 120a and the support surface 210a, and a required sealing surface pressure is obtained. The support surface 210a may be a part of the guide rail 210, or may be provided on a member different from the guide rail 210 such as a support column.

As shown in FIG. 4, the water stop plate 120 has a front surface 120a, a rear surface 120b, a bottom surface 120c, and two side surfaces 120d in the width direction (see FIG. 2).

The front surface 120a is located at the end of the water stop plate 120 in the indoor direction, has a rectangular shape, faces the indoor direction, and extends in the vertical direction and the width direction. In other words, the front surface 120a has a constant width in the vertical direction and extends in the width direction.

The rear surface 120b is located at the end of the water stop plate 120 in the outdoor direction, has a rectangular shape, faces the outdoor direction, and extends in the vertical direction and the width direction. In other words, the rear surface 120b has a constant width in the vertical direction and extends in the width direction.

The bottom surface 120c is located at the lower end of the water stop plate 120, has a rectangular shape, faces downward, and extends in the indoor (outdoor) and width directions. In other words, the bottom surface 120c has a constant width in the indoor direction (outdoor direction) and extends in the width direction.

The side surface 120d (see FIG. 2) is located at the end of the water stop plate 120 in the width direction, has a rectangular shape, faces the width direction, and extends in the indoor direction (outdoor direction) and the vertical direction. In other words, the side surface 120d extends in the vertical direction with a constant width in the indoor direction (outdoor direction). The side surface 120d is an example of an end surface.

The water stop plate 120 has a hollow plate 121, a seal member 122, and a cover member 123.

The hollow plate 121 has a front wall 121a, a rear wall 121b, a bottom wall 121c, a top wall (not shown), and two side walls 121d (see FIG. 2). The hollow plate 121 is made of, for example, an iron-based material or a metal material such as an aluminum alloy.

The front wall 121a is located at the end of the water stop plate 120 in the indoor direction, has a rectangular and plate-like shape, and extends in the vertical direction and the width direction. The front wall 121a has a front surface 120a on the indoor side and a first inner surface 120e1 on the outdoor side opposite to the front surface 120a. The first inner surface 120e1 has a rectangular shape, faces the outdoor direction, and extends in the vertical direction and the width direction. In other words, the first inner surface 120e1 has a constant width in the vertical direction and extends in the width direction.

The rear wall 121b is located at the end of the water stop plate 120 in the outdoor direction, has a rectangular and plate-like shape, and extends in the vertical direction and the width direction. The rear wall 121b has a rear surface 120b on the outdoor side and a second inner surface 120e2 on the indoor side opposite to the rear surface 120b. The second inner surface 120e2 has a rectangular shape, faces indoors, and extends in the vertical and horizontal directions. In other words, the second inner surface 120e2 has a constant width in the vertical direction and extends in the width direction.

The bottom wall 121c is located at the lower end of the water stop plate 120, has a rectangular and plate-like shape, and extends in the indoor direction (outdoor direction) and the width direction. The bottom wall 121c has a lower bottom surface 120c and a third inner surface 120e3 on the opposite side to the bottom surface 120c. The third inner surface 120e3 has a rectangular shape, faces upward, and extends in the indoor direction (outdoor direction) and the width direction. In other words, the third inner surface 120e3 has a constant width in the indoor direction (outdoor direction) and extends in the width direction.

The side wall 121d (see FIG. 2) is located at the widthwise end of the water stop plate 120, has a rectangular and plate-like shape, and extends in the indoor direction (outdoor direction) and the vertical direction.

Further, the top wall (not shown) is located at the upper end of the water stop plate 120, has a rectangular and plate-like shape, and extends in the indoor direction (outdoor direction) and the width direction.

Further, the hollow plate 121 has a partition wall (not shown) passed between the front wall 121a and the rear wall 121b. The partition wall has a rectangular and plate-like shape, and extends in the indoor direction (outdoor direction) and the width direction.

An inner chamber 120e is provided inside the hollow plate 121. The inner chamber 120e is surrounded by a front wall 121a, a rear wall 121b, a bottom wall 121c, two side walls 121d, and a partition wall (not shown). When the partition wall is provided with an opening penetrating the partition wall, the inner chamber 120e is surrounded by the front wall 121a, the rear wall 121b, the bottom wall 121c, the two side walls 121d, and the top wall. The first inner surface 120e1, the second inner surface 120e2, and the third inner surface 120e3 face the inner chamber 120e.

The first section D1 and the second section D2 of the seal member 122 are attached to the bottom wall 121c. The bottom surface 120c is provided with a recess (not shown) that is recessed upward from the bottom surface 120c, and by inserting the protrusion provided in the seal member 122 into the recess, the first section D1 of the seal member 122 and The second section D2 is attached to the bottom wall 121c. The mounting means for the first section D1 and the second section D2 of the seal member 122 is not limited to this. At the closed position Pc, the first section D1 and the second section D2 of the seal member 122 are in close contact with both the bottom surface 120c and the installation surface 1a, and are elastically compressed by the bottom surface 120c and the installation surface 1a, whereby the bottom surface 120c. And the installation surface 1a are sealed.

Further, the third section D3 of the seal member 122 is attached to the front wall 121a. The front surface 120a is also provided with a recess (not shown) recessed from the front surface 120a in the outdoor direction, and the protrusion provided on the seal member 122 is inserted into the recess to insert the protrusion provided in the seal member 122 into the recess so that the third section D3 of the seal member 122 Is attached to the bottom wall 121c. The mounting means of the third section D3 of the seal member 122 is not limited to this. At the closed position Pc, the third section D3 of the seal member 122 is in close contact with both the front surface 120a and the support surface 210a (see FIG. 2) and is elastically compressed by the front surface 120a and the support surface 210a, whereby the front surface 120a And the support surface 210a are sealed.

As shown in FIG. 4, the first section D1 of the seal member 122 is separated from the first inner surface 120e1 of the front wall 121a by a distance d1 in the outdoor direction, and is separated from the second inner surface 120e2 of the rear wall 121b in the indoor direction. Are provided at a distance d2.

Further, the bottom wall 121c is provided with a through hole 121f between the seal member 122 and the second inner surface 120e2 of the rear wall 121b. The through hole 121f connects the inside of the inner chamber 120e and the outside of the water stop plate 120. The through hole 121f functions as a water guide port for introducing water from the outdoor side into the inner chamber 120e, and also functions as a drainage port for discharging water from the inner chamber 120e to the outdoor side. In addition, in order to make the water conduction and drainage in the through hole 121f function more reliably, the inner chamber 120e and the outside of the water stop plate 120 are provided in the hollow plate 121 at a position above the through hole 121f of the rear wall 121b, for example. An air hole (not shown) for connecting may be provided.

FIG. 6 is a plan view of the water stop plate 120 as viewed from below at the end in the width direction. As shown in FIG. 6, the water stop plate 120 is provided with a cover member 123 so as to cover the corner portion 121g which is the end portion in the outdoor direction and the width direction below the hollow plate 121. As shown in FIGS. 4 and 6, the cover member 123 has a corner portion 123a, a rear wall 123b, a bottom wall 123c, and a side wall 123d. The corner portion 123a covers the corner portion 121g of the hollow plate 121. That is, the cover member 123 functions as a corner guard of the hollow plate 121. Thereby, the protection property of the corner portion 121g of the hollow plate 121 can be enhanced.

Further, the bottom wall 123c partially covers the through hole 121f from below. In the present embodiment, the bottom wall 123c is provided with a notch 123c1 and a protrusion 123c2, and the protrusion 123c2 overlaps the through hole 121f in the vertical direction. With such a configuration, the opening width of the through hole 121f is reduced, and it is possible to prevent the fingers and the like of the operator from entering the through hole 121f. Further, it becomes difficult to see the inside of the hollow plate 121 from the through hole 121f. The configuration that partially covers the through hole 121f is not limited to this, and for example, a slit or an elongated hole-shaped opening (through hole) may be provided in place of the notch 123c1 and the protrusion 123c2.

Further, the side wall 123d is provided with a roller 123e that can roll along the side surface of the guide rail 210. The roller 123e can rotate around the rotation center Ax along the width direction. When the water stop plate 120 moves in the vertical direction, the roller 123e can abut on the indoor side or the outdoor side side surface of the guide rail 210 and roll. As a result, the water stop plate 120 can move smoothly.

Further, as shown in FIG. 4, the convex curved surface 123f1 (outer surface) of the bent portion 123f extending in the width direction between the bottom wall 123c and the rear wall 123b has the water stop plate 120 of the shutter 100 at the closed position Pc. When heading, it slides downward and forward along the inclined surface 230a, and the cover member 123, and thus the water stop plate 120, moves downward and forward. As a result, the first section D1 and the second section D2 of the seal member 122 are elastically compressed in the vertical direction by the bottom surface 120c and the installation surface 1a, and the third section D3 of the seal member 122 is moved to the front surface 120a. And the support surface 210a are elastically compressed in the indoor direction (outdoor direction). The bent portion 123f is an example of a guided portion.

As described above, in the present embodiment, the first section D1 of the seal member 122 is separated from the first inner surface 120e1 of the front wall 121a of the hollow plate 121 in the outdoor direction, and is between the bottom surface 120c and the installation surface 1a. To seal. According to such a configuration, for example, as compared with a configuration in which the sealing member 122 is provided closer to the front wall 121a or below the front wall 121a, the water in the inner chamber 120e is more than the first section D1. Since the pressing force from above on the sealing member 122 increases by the weight of the water existing on the indoor side (region W in FIG. 4), it is easy to obtain the required surface pressure required for sealing by the sealing member 122. As a result, the sealing performance of the sealing member 122 can be improved.

Further, in the present embodiment, the bottom wall 121c of the hollow plate 121 is provided with a through hole 121f that penetrates the bottom wall 121c between the seal member 122 and the second inner surface 120e2 and is opened in the bottom surface 120c. According to such a configuration, for example, on the bottom surface 120c, the through hole 121f and the seal member 122 can be arranged at positions where their respective actions and effects can be obtained without interfering with each other.

Further, in the present embodiment, the cover member 123 has a bent portion 123f (guided portion) guided by the inclined surface 230a and functions as a cover for the through hole 121f. According to such a configuration, the number of parts can be reduced as compared with the case where, for example, the bent portion 123f and the cover of the through hole 121f are made of different parts, and the labor and cost of manufacturing can be reduced. be able to.

Further, in the present embodiment, the cover member 123 covers the corner portion 120f between the bottom surface 120c, the rear surface 120b, and the side surface 120d (end surface). That is, the cover member 123 also functions as a guard for the corner portion 120f of the water stop plate 120. According to such a configuration, for example, the number of parts is further increased as compared with the case where the guard of the corner portion 120f is composed of parts other than the bent portion 123f, the cover of the through hole 121f, or the support member of the roller 123e. It is possible to further reduce the labor and cost of manufacturing.

Further, in the present embodiment, the cover member 123 also functions as a holding member for the roller 123e guided by the guide rail 210. According to such a configuration, for example, the number of parts is further increased as compared with the case where the support member of the roller 123e is composed of parts other than the bent portion 123f, the cover of the through hole 121f, or the guard of the corner portion 120f. It is possible to further reduce the labor and cost of manufacturing.

Further, in the present embodiment, the shutter 100 (shutter with a water stop plate) includes, for example, a shutter curtain 110 and a water stop plate 120 attached to the lower end 110a thereof. According to such a configuration, for example, in the shutter 100, the effect of the water stop plate 120 can be obtained. Further, since the pressing force from above on the sealing member 122 increases by the weight of the shutter curtain 110 downward on the water blocking plate 120, the required surface pressure required for sealing by the sealing member 122 can be obtained. This makes it easier, and by extension, the sealing performance of the sealing member 122 can be improved.

[Modification example of guidance mechanism]
FIG. 7 is a side view showing a modified example of the guide mechanism 230A. The guide mechanism 230A can be applied in place of the guide mechanism 230 of the above embodiment. The guide mechanism 230A has a swing arm 230b that rotates around a swing center C extending in the width direction. At the tip of the swing arm 230b, a receiving portion 230c for receiving the corner portion 120f of the water blocking plate 120 is provided, and the receiving portion 230c presses the corner portion 120f and the rear surface 120b of the water blocking plate 120 inward. A pressing piece 230d (pressing portion) is provided. Further, although not shown, the guide mechanism 230A has an urging member such as a torsion spring that urges the swing arm 230b upward, and the initial position of the receiving portion 230c of the swing arm 230b (2). The dotted line) is above the pressed position (solid line) and away from the outside.

According to such a guide mechanism 230A, when the water stop plate 120 moves downward toward the closed position Pc, it is held by the receiving portion 230c and follows the rotation locus (swing locus) of the swing arm 230b. It moves downward and indoors, and is pressed indoors by the pressing piece 230d. Even with the guide mechanism 230A having such a configuration, the third section D3 of the seal member 122 can be elastically compressed by the front surface 120a and the support surface 210a in the indoor direction (outdoor direction) by a larger pressing force. ..

Although the embodiments of the present invention have been exemplified above, the above-described embodiment is an example and is not intended to limit the scope of the invention. The above-described embodiment 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, in the above embodiment, the configuration in which the shutter has a water stop plate is disclosed, but the present invention is not limited to this, and the present invention can be applied to a water stop plate that cannot be attached to the shutter.

1 ... Building opening, 1a ... Installation surface, 100 ... Shutter (shutter with water stop plate), 110 shutter curtain, 110a ... Lower end, 120 ... Water stop plate, 120a ... Front, 120a 1 ... End (edge in width direction of front) Part), 120b ... Rear surface, 120c ... Bottom surface, 120d ... Side surface (end surface), 120e ... Inner chamber, 120e1 ... First inner surface, 120e2 ... Second inner surface, 120e3 ... Third inner surface, 120f ... Corner part, 121 ... Hollow plate , 121a ... front wall, 121b ... rear wall, 121c ... bottom wall, 121f ... through hole, 122 ... seal member, 123 ... cover member, 123e ... roller, 123f ... bent part (guided part), 210 ... guide rail, 210a ... Support surface, 230a ... Inclined surface.

Claims (6)

A water stop plate installed on an installation surface that faces upward and extends in the width direction of the building opening so as to separate the outdoor side and the indoor side at least at the lower part of the building opening.
An inner chamber capable of accommodating water from the outdoor side is provided inside, and a front wall having a front surface extending in the vertical direction and the width direction on the indoor side and a first inner surface facing the inner chamber on the back side of the front surface. And a hollow plate having a bottom surface facing the installation surface and extending in the width direction.
A sealing member provided on the bottom surface, extending in the width direction, at least partially separated from the first inner surface on the outdoor side, and sealing between the bottom surface and the installation surface.
With a water stop plate. A rear wall having a rear surface facing the outdoor side and extending in the vertical direction and the width direction and a second inner surface facing the inner chamber on the back side of the rear surface.
A bottom wall having the bottom surface and a third inner surface facing the inner chamber on the back side of the bottom surface,
With
The water stop plate according to claim 1, wherein the bottom wall is provided with a through hole that penetrates the bottom wall between the seal member and the second inner surface and is opened in the bottom surface. Each of the widthwise ends of the front surface is supported by a support surface facing the indoor side of the end.
A guided portion that is an inclined surface installed in the opening of the building and is guided by the inclined surface that guides the water stop plate downward and indoors is provided, and a cover member that partially covers the through hole is provided. The water stop plate according to claim 2. The water stop plate according to claim 3, wherein the cover member further covers a corner portion between the bottom surface, the rear surface, and the end surface of the water stop plate in the width direction. The water stop plate according to claim 3 or 4, wherein the cover member further supports a roller that can roll along the guide rail of the water stop plate. A shutter curtain in which a plurality of slats extending in the width direction are connected side by side in the vertical direction,
The water stop plate according to any one of claims 1 to 5 attached to the lower end of the shutter curtain.
Shutter with water stop plate.

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