JP6226636B2 - Waterproof sheet, waterproof method using waterproof sheet and waterproof device for opening - Google Patents

Description

  The present invention relates to a waterproof sheet, a waterproof method using the waterproof sheet, and a waterproof device for an opening.

  2. Description of the Related Art Conventionally, a technique for suppressing flooding from an opening that is opened and closed by an opening / closing body has been proposed. For example, in Patent Document 1, a bendable waterproof sheet is provided on the back surface of a shutter as an opening / closing body, and a guide member that guides an end in the width direction of the shutter is opposed to the waterproof sheet. Thus, a technique of a shutter device provided with a seal member is disclosed. The shutter device disclosed in Patent Document 1 has a water infiltration preventing function in which a waterproof sheet is pressed against a seal member when water pressure such as flood water acts on the surface of the shutter.

Japanese Patent No. 4457740

  In the technique disclosed in Patent Document 1 described above, there is still room for improvement with respect to the ability to suppress flooding from the opening even when the waterproof sheet is installed in various openings. In the technique disclosed in Patent Document 1, in order to attach a waterproof sheet to the back surface of the shutter, it is necessary to form the waterproof sheet in an appropriate size in advance according to the width of the shutter, that is, the width of the opening. In addition, the number of man-hours required for mass production of the waterproof sheet increases, and there is a risk that the cost increases.

  An object of the present invention is to provide a waterproof sheet, a waterproof method using the waterproof sheet, and a waterproof device for the opening that can suppress water from the opening even when installed in various openings. is there.

The waterproof sheet of the present invention includes a predetermined portion on the lower end in the vertical direction of the opening / closing body that opens and closes an opening that communicates the indoor side and the outdoor side of the structure, and a portion of the structure that is adjacent to the predetermined portion. It is positioned more on the outdoor side than the opening / closing body so that the lower end in the vertical direction of the opening is closed by covering it integrally, and the lower end in the vertical direction extends toward the outdoor side along the floor surface. In the waterproof sheet in which the end in the width direction is held by the holding member, the sheet body in which both ends in the width direction are detachably held by the holding member, and the position to be folded when installed in the opening are shown. An indication portion provided along the vertical direction on the seat body, a first fixing member that is disposed in the vicinity of the indication portion of the seat body, and that fixes the seat body to the opening and closing body, is attached, Based on the instruction section And a fixing member mounting portion facing the shop outside when folded Te, part to be folded with the indication unit and the seat body is in a range covering the opening and closing member in the width direction of the seat body provided to said Rukoto.

Since the waterproof sheet is provided with an instruction portion that indicates a position to be folded on the sheet body in advance, for example, when the width is much larger than the opening, the waterproof sheet can always be folded at a fixed position. Moreover, the fixing member attaching part to which the fixing member facing the outdoor side is attached when being folded in the vicinity of the instruction part is provided. For this reason, when a waterproof sheet is folded based on an instruction | indication part, the fixing member attached to the fixing member attaching part will maintain the crease | fold of the location where it was folded. Therefore, when it is installed in the opening, it is possible to suppress displacement from the opening / closing body. Therefore, even when the waterproof sheet is installed in various openings, it is possible to suppress flooding from the openings and to cope with various widths of the openings, thereby suppressing an increase in cost. can do. Moreover, since the instruction part and the part to be folded are prevented from being located at or interfering with the boundary between the opening / closing body and the structure, the water stop performance is improved.
In the waterproof sheet, it is preferable that the indication unit is formed by overlapping a part of the sheet body in the width direction and bonding at least a part of the sheet bodies stacked on each other.
The said waterproof sheet WHEREIN: It is preferable that the said instruction | indication part is provided in the outdoor side from the said sheet | seat main body, and the said sheet | seat main body is folded in the outdoor side based on the said instruction | indication part.
In the said waterproof sheet, since the part which was folded up, overlapped, and bulged faces the outdoor side, it is possible to make the said waterproof sheet contact | adhere to an opening-closing body.
In the waterproof sheet, it is preferable that a portion of the pointing portion located at a boundary between the opening / closing body and the floor surface is configured by a bendable member.
In the said waterproof sheet, it is possible to bend an instruction | indication part at the boundary of an opening-closing body and a floor surface.
In the waterproof sheet, it is preferable that the sheet body is provided with a second fixing member that fixes the folded portion.
When the waterproof sheet is folded, the instruction unit can be fixed to the sheet body.
The waterproof sheet preferably further includes a pressing member that presses the sheet body toward the floor surface.
In the said waterproof sheet, since the sheet | seat main body is pressed toward the floor surface by the pressing member, even if it is a case of a low water level, the water immersion through the clearance gap between a sheet | seat lower part and a floor surface is suppressed. Further, the pressing member can suppress the lower part of the seat from being lifted by a water flow or the like.

  The said waterproof sheet WHEREIN: It is preferable that the said instruction | indication part is provided with the knob part provided in the said sheet | seat main body along the said perpendicular direction while standing upright from the said sheet | seat main body.

  In the said waterproof sheet, since the instruction | indication part is provided with the knob part erected on the outdoor side from the sheet | seat main body, it can be easily folded in a fixed position by pinching the knob part.

The waterproof method using the waterproof sheet of the present invention includes a predetermined portion on a lower end side in a vertical direction of an opening / closing body that opens and closes an opening that communicates an indoor side and an outdoor side of a structure, and the predetermined portion of the structure. By covering the adjacent portions together, the lower end side in the vertical direction of the opening is closed, and the lower end in the vertical direction extends toward the outdoor side along the floor surface. A seat body that is positioned on the outside and has an end in the width direction that is detachably held by a holding member; an indication unit that indicates a position to be folded when installed in the opening and is provided along the vertical direction; , partially disposed in the vicinity, and said first fixing member mounting the seat body to the opening and closing member is attached fixing member attachment portion, provided with a, to be folded with the indication unit and the sheet body of the indicator portion In the width direction of the seat body Face a waterproofing method, the both ends in the width direction of the waterproof sheet is held by the holding member, the fixing member attachment portion outdoor side using a waterproof sheet that provided within a range covering the opening and closing member Te As described above, the waterproof sheet is folded based on the instruction portion, and the first fixing member attached to the fixing member attaching portion is attached to the opening / closing body.

In the waterproof method using the waterproof sheet, the sheet main body is folded based on the instruction portion, and therefore, for example, when the width is much larger than the opening, the sheet can be always folded at a certain position. In addition, since the seat body is folded so that the fixing member attaching portion in the vicinity of the instruction portion faces the outdoor side, the fixing member attached to the fixing member attaching portion maintains the fold of the folded portion. Become. Therefore, when the waterproof sheet is installed in the opening, it is suppressed that the waterproof sheet is displaced from the opening / closing body. Therefore, even when the waterproof sheet is installed in various openings, it is possible to suppress water from the opening, and to cope with the width of various openings, so that the cost of the waterproof sheet increases. Can be suppressed. Further, since the seat body can be folded so that the instruction part and the part to be folded are not located at or interfere with the boundary between the opening / closing body and the structure, the water stop performance is improved.
In the waterproofing method using the waterproof sheet, the instruction unit is provided on the outdoor side from the seat body, and when the waterproof sheet is folded based on the instruction unit, the sheet body is based on the instruction unit. And it is preferable to fold it outdoors.
In the waterproofing method using the waterproof sheet, since the portion that is folded and overlapped and bulges faces the outdoor side, the waterproof sheet can be adhered to the opening / closing body.
Preferably, the waterproof method using the waterproof sheet further includes fixing the folded portion of the sheet main body with a second fixing member.
In the waterproofing method using the waterproof sheet, the instruction unit can be fixed to the sheet body when folded.
Preferably, the waterproof method using the waterproof sheet further includes pressing the sheet body toward the floor surface by a pressing member.
In the waterproofing method using the above waterproof sheet, the sheet body is pressed toward the floor surface by the pressing member, so that even if the water level is low, the infiltration through the gap between the lower part of the sheet and the floor surface is suppressed. Is done. Moreover, it is possible to suppress the lower part of the seat from being lifted by a water flow or the like.

The waterproof device for an opening of the present invention includes a waterproof sheet installed in an opening that communicates an indoor side and an outdoor side of a structure and is opened and closed by an opening and closing body, and the waterproof sheet is in a vertical direction of the opening and closing body. The lower end side predetermined portion and the portion of the structure adjacent to the predetermined portion are integrally covered to block the lower end in the vertical direction of the opening, and the vertical lower end portion of the waterproof sheet is the floor surface A holding member that detachably holds the end in the width direction of the waterproof sheet so that the waterproof sheet is positioned on the outdoor side of the opening and closing body so as to extend toward the outdoor side along The waterproof sheet has a sheet main body whose both ends in the width direction are held by the holding member, and indicates a position where the waterproof sheet is folded when installed in the opening, and is provided on the sheet main body along the vertical direction. And the finger of the seat body Disposed in the vicinity of the part, and with a first fixing member for mounting the seat body to the opening and closing member is mounted, the fixing member mounting portion facing the shop outside when folded on the basis of the instruction unit the provided, the portion folded with the indication unit and the seat body is characterized that you have provided within a range that covers the opening and closing member in the width direction of the seat body.

In the waterproof device of the opening portion, since an instruction portion indicating a position to be folded on the waterproof sheet is provided in advance, for example, when the width is much larger than the opening portion, the waterproof sheet is always folded at a certain position. Can do. Moreover, the fixing member attaching part to which the fixing member which faces the outdoor side is attached when it folds in the vicinity of the instruction | indication part of a waterproof sheet is provided. For this reason, when a waterproof sheet is folded based on an instruction | indication part, the fixing member attached to the fixing member attaching part will maintain the crease | fold of the folded part. Therefore, when the waterproof sheet is installed in the opening, it is suppressed that the waterproof sheet is displaced from the opening / closing body. Therefore, the waterproof device for the opening can suppress water from the opening even when installed in the various openings, and the waterproof sheet can cope with the width of the various openings. , Soaring costs can be suppressed. Moreover, since the instruction part and the part to be folded are prevented from being located at or interfering with the boundary between the opening / closing body and the structure, the water stop performance is improved.
In the waterproof device for the opening, it is preferable that the indication unit is formed by overlapping a part of the sheet body in the width direction and bonding at least a part of the sheet bodies stacked on each other. .
In the waterproof device for the opening, it is preferable that the indicator is provided on the outdoor side from the seat body, and the seat body is folded on the outdoor side based on the indicator.
In the waterproof device of the opening, since the portion that is folded and overlapped and bulges faces the outdoor side, the waterproof sheet can be adhered to the opening / closing body.
In the waterproof device for the opening, it is preferable that a portion of the indication unit located at a boundary between the opening / closing body and the floor is formed of a foldable member.
In the waterproof device for the opening, the indicating unit can be bent at the boundary between the opening / closing body and the floor surface.
In the waterproof device for the opening, it is preferable that the seat body is provided with a second fixing member for fixing the folded portion.
In the waterproof device of the opening, the indicator can be fixed to the seat body when folded.
In the waterproof device for the opening, it is preferable that the waterproof device further includes a pressing member that presses the sheet main body toward the floor surface.
In the waterproof device of the opening, the sheet main body is pressed toward the floor surface by the pressing member, so that water infiltration through the gap between the lower portion of the sheet and the floor surface is suppressed even in the case of a low water level. . Further, the pressing member can suppress the lower part of the seat from being lifted by a water flow or the like.

  In the waterproof device for the opening, it is preferable that the instruction unit is provided with a knob portion that is provided on the seat body along the vertical direction while standing on the outdoor side from the seat body.

  In the waterproof device for the opening, since the indicating portion includes a knob portion erected on the outdoor side from the seat body, it can be easily folded at a certain position by pinching the knob portion.

  The waterproof sheet, the waterproof method using the waterproof sheet, and the waterproof device for the opening according to the present invention have an effect of preventing water from entering the opening even when installed in various openings.

FIG. 1 is a perspective view showing a waterproof device for an opening according to Embodiment 1 of the present invention. FIG. 2 is a plan view seen from the outdoor side of the waterproof sheet of the waterproof device for an opening according to the first embodiment of the present invention. FIG. 3 is a perspective view of the main part of the waterproof sheet of the waterproof device for an opening according to Embodiment 1 of the present invention. FIG. 4 is a horizontal cross-sectional view of the main part of the waterproof sheet installed in the opening of the waterproof device for an opening according to Embodiment 1 of the present invention. FIG. 5 is a horizontal cross-sectional view of a main part of a waterproof sheet installed in another opening of the waterproof device for an opening according to Embodiment 1 of the present invention. FIG. 6 is a perspective view showing a waterproof device for an opening according to Embodiment 2 of the present invention. FIG. 7: is a perspective view of the principal part of the waterproof sheet of the waterproof device of the opening part concerning Embodiment 2 of this invention. FIG. 8: is a top view of the principal part of the waterproof sheet of the waterproof device of the opening part which concerns on the modification of Embodiment 1 of this invention. FIG. 9 is a perspective view of a main part of a waterproof sheet of a waterproof device for an opening according to a modification of Embodiment 1 of the present invention.

  Hereinafter, a waterproof device for an opening according to an embodiment of the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to these embodiments. In addition, constituent elements in the following embodiments include those that can be easily assumed by those skilled in the art or those that are substantially the same.

[Embodiment 1]
The first embodiment will be described with reference to FIGS. 1 to 5. Embodiment 1 relates to a waterproof device for an opening that waterproofs an opening of a structure. FIG. 1 is a perspective view showing a waterproof device for an opening according to Embodiment 1 of the present invention, and FIG. 2 is a plan view seen from the outdoor side of the waterproof sheet of the waterproof device for an opening according to Embodiment 1 of the present invention. FIG. 3 is a perspective view of the main part of the waterproof sheet of the waterproof device for an opening according to Embodiment 1 of the present invention.

  In many cases, a shutter or an opening / closing door as an opening / closing body is attached to an external opening of a structure such as a building. For example, shutters and doors are often attached to the entrances of underground parking lots that are likely to be flooded during floods and the like, and the entrances of stores that are prone to damage to goods when flooded. Since the shutter has a structure with many gaps, there is a possibility that these facilities will be damaged by inundation through the gaps of the shutter during heavy rain and flooding. In addition, since there are gaps between the doors and between the doors and the openings in the open / close doors, there is a possibility that facilities such as stores may be damaged due to flooding through the gaps during guerrilla heavy rain or flood.

  As a countermeasure against flooding, a method of changing the shutter and the lower part of the door to a waterproof board (panel) is conceivable. However, since it is generally easy to be expensive, it may be difficult for the user to accept.

  The waterproof device 1 for an opening according to the first embodiment can install a waterproof sheet in front of a shutter or an opening / closing door as an opening / closing body, and can stop water easily and inexpensively. The waterproof sheet integrally covers the opening / closing body and the surrounding structure, thereby closing the gap between the opening / closing body and the structure and appropriately stopping water. Therefore, according to the waterproof device 1 for an opening according to the first embodiment, damage inside the building due to water damage can be reduced.

  The opening waterproofing device 1 shown in FIG. 1 blocks the opening O (shown in FIG. 1) of the structure S and suppresses the intrusion of water from the outdoor side to the indoor side. The structure S is a building structure such as a factory, a warehouse, a garage, a store, and a house, and has an opening O. The opening O is formed in the wall 3 or the like of the structure S and communicates the outdoor side and the indoor side of the structure S. In the present embodiment, the opening O is surrounded by the wall 3 or the like.

  The indoor side and the outdoor side are expressions for convenience of explanation, and the outdoor side is the upstream side when water intrudes, and the indoor side is water from the upstream side. In the present invention, it is a side that wants to prevent or suppress the ingress of water. In places where there is no concept of houses, rooms, etc., such as opening and closing doors and walls, as well as the waterproof device 1 of the opening as a simple waterproof partition for roads, or attaching it to places such as gates in external spaces It may be provided. Moreover, the opening part O shall communicate the above-mentioned outdoor side and indoor side. The opening O of the present embodiment is formed in the wall 3 that forms the outer shell of the structure S, and communicates between the outside and the inside of the structure S through the wall 3. However, the present invention is not limited thereto, and the opening O may be formed in a wall that partitions the inside of the structure S.

  The opening O described above is provided with a shutter 4 as an opening / closing body that opens and closes the opening O. That is, the opening O is opened and closed by the shutter 4. The shutter 4 moves in the opening / closing direction, in the present embodiment, in the vertical up / down direction. As shown in FIG. 1, the shutter 4 is a slat connecting body formed by connecting a plurality of slats 4a made of metal in the opening / closing direction, that is, the vertical direction. In the present embodiment, the opening direction is the upward direction, and the closing direction is the downward direction.

  As shown in FIG. 1, the shutter 4 is held at both ends in the width direction by guide rails 5 to guide the movement in the vertical direction. The guide rails 5 are respectively provided at the edges of the wall 3 and face each other in the width direction. Both ends of the shutter 4 in the width direction are inserted into the groove portions 5a of the guide rail 5, respectively. The groove 5a extends in the opening / closing direction, that is, the vertical direction, and guides the shutter 4 to be movable in the opening / closing direction, that is, the vertical direction. The wall 3 and the guide rail 5 constitute a wall portion that surrounds the opening O.

  In addition, the shutter 4 can be wound around a foil cage (not shown) provided at the upper end of the opening O. The shutter 4 can release the opening O by being wound around the foil cage, and can close the opening O by being drawn out from the foil cage. The rolling-out of the shutter 4 may be performed manually or by a driving device such as a motor. The shutter device of the present embodiment includes a shutter 4, a guide rail 5, and a wheel cage.

  Returning to FIG. 1, a waterproof device 1 (hereinafter referred to as a waterproof device) 1 having an opening includes a waterproof sheet 10, a pair of holding members 20, a pressing member 30, and the like. The waterproof sheet 10 is installed in the opening O, and has a width and a length capable of closing the region on the lower end side in the vertical direction of the opening O. The shape of the waterproof sheet 10 is, for example, a rectangle as shown in FIG. The waterproof sheet 10 has water shielding properties and can function as a waterproof sheet for the opening O. Moreover, the waterproof sheet 10 has flexibility and may be stretchable. The material of the waterproof sheet 10 can be, for example, resin, rubber, or a cloth whose surface is coated with resin. The waterproof sheet 10 is preferably made of a material that can be deformed following water pressure.

  The width of the waterproof sheet 10 is larger than the width of the shutter 4. The width of the waterproof sheet 10 is preferably larger than the width W of the opening O (see FIG. 1). The length of the waterproof sheet 10 in the vertical direction is determined based on the water depth to be handled. That is, the total length of the waterproof sheet 10 is determined based on which range is covered with the waterproof sheet 10 from the lower end of the shutter 4 toward the upper side in the vertical direction. In the following description, a portion to be covered with the waterproof sheet 10 in the shutter 4 is referred to as a “predetermined portion” (see reference numeral 41 in FIG. 1). The predetermined portion 41 is a portion on the lower end side in the vertical direction of the shutter 4. In the present invention, the vertical direction of the waterproof sheet 10 indicates the vertical direction when the waterproof sheet 10 is installed in the opening O, and the width direction of the waterproof sheet 10 is the opening of the waterproof sheet 10. The left-right direction when installed in O is shown, and the outdoor side of the waterproof sheet 10 indicates the outdoor side when the waterproof sheet 10 is installed in the opening O.

  As shown in FIG. 2, the waterproof sheet 10 includes a sheet main body 11 having the above-described water shielding and flexibility, a core material 14 provided at both ends in the width direction of the sheet main body 11, an instruction unit 15, and a fixing member. And an attachment portion 12. In the sheet main body 11, both ends in the width direction are held by the holding member 20 by holding the core material 14 by the holding member 20.

  The core material 14 is formed of a lightweight and flexible material such as a resin material. The core material 14 is disposed at a position corresponding to the lower end of the predetermined portion 41 from the upper end of both ends in the width direction of the sheet main body 11, that is, a position excluding a later-described sheet lower portion 13 at both ends in the width direction of the sheet main body 11. The core material 14 extends in the length direction (vertical direction) of the seat body 11. The core material 14 is formed in a cylindrical shape and is attached to both ends of the sheet main body 11.

  The instruction unit 15 indicates a position where the sheet body 11, that is, the waterproof sheet 10 is folded when the waterproof sheet 10 is installed in the opening O. The instruction unit 15 is provided at the center of the sheet body 11 in the width direction, and is provided linearly along the vertical direction. The instruction unit 15 is provided over the entire length of the seat body 11 in the vertical direction. As shown in FIG. 3, the instruction unit 15 is formed such that a part of the center part in the width direction of the sheet main body 11 is overlapped, and a part of the base part of the center part of the sheet main body 11 is mutually bonded. And a knob portion 16. The adhesion part 15a adhere | attaches these by welding some base parts of the center part of the sheet | seat main body 11 piled up mutually. Further, the adhesive portion 15 a of the instruction portion 15 is formed to be harder than the other portions of the sheet main body 11. Thus, in the present invention, it is desirable that the instruction unit 15 includes a portion that is formed to be harder than the other portions of the seat body 11. The instruction unit 15 may be provided not only in the vertical direction but also to the lower end in the vertical direction along the floor surface 7 (a sheet lower portion 13 to be described later) extending from here. However, in this case, since the indicator 15 is bent at the boundary between the opening and closing body and the floor surface 7, at least the indicator 15 at that position is configured by a foldable member having a certain degree of flexibility. To do. Moreover, since the instruction | indication part 15 is located on the floor surface 7 and may have thickness rather than the other waterproof sheet 10 on the floor surface 7, it does not have a bad influence on the water stop performance in use. Can be used in some cases. From such a viewpoint, it is preferable that the instruction unit 15 is provided only on all or part of the vertical direction and not on the lower end portion in the vertical direction. The indication unit 15 is not limited to the center in the width direction of the seat body 11 and is arbitrary. However, from the viewpoint of water stopping performance, the indication unit 15 and the folded portion are formed of an opening / closing body and a structure (guide rail). It is preferable that it is near the center in the width direction of the sheet main body 11 so that it is located at the boundary with the boundary of

  The knob portion 16 is connected to the bonding portion 15a and is erected on the outdoor side from the sheet main body 11, and is provided on the sheet main body 11 linearly along the vertical direction. The knob portion 16 is provided over the entire length of the sheet body 11 in the vertical direction. As shown in FIG. 3, the knob portion 16 is configured by a part of the central portion of the sheet main body 11 that is overlapped with each other and the base portions are fixed by the adhesive portion 15 a. In the knob part 16, some of the central parts of the sheet main bodies 11 that are stacked on each other are not bonded to each other. As described above, the knob portion 16 is constituted by a part of the central portion of the sheet body 11 that is overlapped with each other, so that the knob portion 16 is connected to the adhesive portion 15a.

  The fixing member mounting portion 12 is provided at a position adjacent to the instruction portion 15 in the width direction, and is disposed in the vicinity of the instruction portion 15. The fixing member attachment portion 12 faces the outdoor side when the seat body 11 is folded based on the instruction portion 15. The fixing member attaching portion 12 is formed in a pocket shape by being attached to the seat body 11 such that a sheet-like member is overlaid on the surface of the seat body 11 on the outdoor side and only the upper side is opened. The fixing member mounting portion 12 is provided at the upper end portion of the seat body 11 in the vertical direction. The fixing member attaching portion 12 receives the magnet 42 (shown in FIG. 1) as a fixing member for fixing the sheet main body 11 to the shutter 4 so that the magnet 42 is attached. The magnet 42 is attracted to the shutter 4 via the sheet body 11 to fix the upper end portion of the sheet body 11 to the shutter 4. In addition, since it is preferable that the seat body 11 is in close contact with the opening / closing body as much as possible, the folded portion is overlapped and overlapped so that the bulged portion faces the outdoor side. It is general from the viewpoint (however, if there is no problem in the ease of folding and water-stopping performance, the bulging portion that is the reverse folding may be on the indoor side).

  Further, as shown in FIG. 1, a suction cup 43 that is attracted to the shutter 4 is attached to the upper end portion of the waterproof sheet 10. The suction cups 43 are attached to both ends in the width direction of the sheet body 11 of the waterproof sheet 10. Further, a knob portion side fixing member 17 is provided on one side of the central portion of the sheet main body 11 that is overlapped with the knob portion 16 on the side away from the fixing member mounting portion 12. A main body side fixing member 18 is provided on the surface on the outdoor side. The knob portion side fixing member 17 is provided at the upper end portion of the knob portion 16. The main body side fixing member 18 is disposed at the upper end portion of the sheet main body 11 and at a position where the instruction portion 15 is sandwiched between the fixing member mounting portion 12 and the main body side fixing member 18. The knob part side fixing member 17 and the main body side fixing member 18 are constituted by members that are detachable from each other such as a hook-and-loop fastener. The main body side fixing member 18 extends linearly in the width direction of the sheet main body 11.

  The holding member 20 positions the waterproof sheet 10 on the outdoor side of the shutter 4 and holds it on the structure S. More specifically, the holding member 20 is waterproof so as to close the lower end in the vertical direction of the opening O by integrally covering the predetermined portion 41 of the shutter 4 and a portion of the structure S adjacent to the predetermined portion 41. The core material 14 of the sheet 10 is held. The holding member 20 holds the core material 14 at both ends in the width direction of the waterproof sheet 10 so that the lower end in the vertical direction of the waterproof sheet 10 extends toward the outdoor side along the floor surface 7. Thereby, the waterproof sheet 10 can block the gap between the shutter 4 and the gap between the shutter 4 and the guide rail 5 and the structure S, and can prevent water from entering the indoor side. In the present specification, the lower end of the waterproof sheet 10 in the vertical direction and extending along the floor surface 7 in a state where the waterproof sheet 10 is held by the holding member 20 is hereinafter referred to as “sheet lower portion 13”. It describes. In addition, the floor surface as used in the field of this invention is expression for the sake of convenience in explanation, and it is not only the normal floor surface 7 but also a surface located below the opening O such as a concrete surface or the ground. Collectively.

  The holding member 20 is made of an aluminum alloy or the like, and integrally includes an attachment portion 21 attached to the guide rail 5 and a sheet holding portion 22 provided on the attachment portion 21 as shown in FIG.

  The attachment portion 21 is formed in a flat plate shape. The sheet holding part 22 is formed in a C-shaped cross section and is provided on the surface of the attachment part 21. The sheet holding part 22 has a slit 22a formed on the surface where the pair of holding members 20 face each other. The sheet holding unit 22 holds the end in the width direction of the waterproof sheet 10 by inserting the core material 14 provided at the end in the width direction of the waterproof sheet 10 into the slit 22a. When the attachment portion 21 is attached to the guide rail 5, the holding member 20 extends in the vertical direction and is disposed in a range corresponding to the predetermined portion 41 of the shutter 4. That is, the holding member 20 is arranged corresponding to the range from the lower end of the shutter 4 to the upper end of the predetermined portion 41. In the present invention, the holding member 20 may correspond to the predetermined portion 41 of the shutter 4 in a substantial sense so that there is no problem in use such as waterproof performance of the waterproof device 1. The upper end of 20 does not necessarily coincide with the upper end of the predetermined portion 41 and may be located slightly below. The material constituting the holding member 20 is arbitrary as long as the waterproof sheet 10 can be held. For example, a hard resin may be used instead of the aluminum alloy.

  Further, since the width of the slit 22a of the sheet holding portion 22 of the holding member 20 is smaller than the thickness of the core material 14, the core material 14 is restricted from coming out of the sheet holding portion 22 through the slit 22a. In addition, the core material 14 is not limited to a cylindrical thing, For example, polygonal flat plate shape, such as a rectangle, may be sufficient as a cross section.

  Further, at both ends in the width direction of the sheet body 11 of the waterproof sheet 10, as shown in FIGS. 1 and 2, a plate-like waterproof rubber 19 that stops water between the guide rail 5 and the floor surface 7 is provided. Is provided. The waterproof rubber 19 extends linearly in the vertical direction from the upper end of the sheet main body 11 to the vertical center of the sheet lower portion 13 at both ends in the width direction of the sheet main body 11.

  The pressing member 30 is disposed on the sheet lower portion 13 of the waterproof sheet 10 and presses the waterproof sheet 10 toward the floor surface 7, for example, presses the waterproof sheet 10 toward the floor surface 7 and the shutter 4. . As shown in FIG. 1, the pressing member 30 is continuously arranged along the width direction of the opening O on the sheet lower portion 13. The pressing member 30 may be arranged without a gap, or may be arranged with a predetermined gap between adjacent pressing members 30. The pressing member 30 is preferably rod-shaped or plate-shaped. The pressing member 30 according to the present embodiment is a plate-like flat bar. The pressing member 30 is made of metal, for example, and has a mass and density that can press the sheet lower portion 13 of the waterproof sheet 10 against the floor surface 7 against buoyancy. The pressing member 30 is installed on the seat lower portion 13 after the seat lower portion 13 is disposed along the floor surface 7. Thereby, the pressing member 30 can keep the waterproof sheet 10 in close contact with the floor surface 7 in the vicinity of the lower end portion of the shutter 4. The pressing member 30 may be a single member, or may be arranged continuously along the width direction of the opening O as a result even if it is divided into a plurality of members. In addition, as long as the water stop purpose in use can be achieved, there may be a portion that is not continuous and is somewhat interrupted. In addition, when the instruction | indication part 15 and a folding part exist also in the sheet | seat lower part 13, it is preferable to install the pressing member 30 on this (the pressing member 30 is the whole width direction of the opening part O on the sheet | seat lower part 13). If it is continuously arranged over the range, as a result, the pressing member 30 is also installed on the instruction unit 15).

  A method of installing the waterproof sheet 10 in the opening O, that is, a method of assembling the waterproof device 1 will be described with reference to the drawings. 4 is a horizontal cross-sectional view of the main part of the waterproof sheet installed in the opening of the waterproof device for an opening according to Embodiment 1 of the present invention, and FIG. 5 is waterproofing of the opening according to Embodiment 1 of the present invention. It is a horizontal sectional view of the important section of a waterproof sheet installed in the other opening of the device.

  When installing the waterproof sheet 10 in the opening O, that is, assembling the waterproof device 1, first, both ends in the width direction of the waterproof sheet 10 and the core material 14 are inserted into the sheet holding part 22 from the upper end of the holding member 20, The both ends of the core 10 and the core material 14 are moved in the sheet holding portion 22 toward the lower end of the holding member 20. Then, both ends of the waterproof sheet 10 and the core material 14 are sandwiched between the sheet holding portions 22 of the holding member 20, and the sheet lower portion 13 where the core material 14 of the waterproof sheet 10 is not provided passes through the gap provided at the lower end of the holding member 20. Then, it is pulled out on the floor surface 7 and extended toward the outdoor side along the floor surface 7.

  Then, the width | variety of the waterproof sheet 10 is larger than the width W (refer FIG. 1) of the opening part O, and is set to the width as shown below. That is, the waterproof sheet 10 has a slack in a state where both ends of the waterproof sheet 10 are held by the holding member 20. That is, the holding member 20 holds the waterproof sheet 10 in a state where the waterproof sheet 10 has a slack, and allows the waterproof sheet 10 to bend toward the shutter 4 side with respect to the holding member 20 and contact the predetermined portion 41. To do. Therefore, it is possible to install the waterproof sheet 10 along the shutter 4 with the waterproof sheet 10 held by the holding member 20. In addition, it is preferable that the waterproof sheet 10 has a slack that can be in close contact with the shutter 4 without generating wrinkles as much as possible before being held by the holding member 20 and before water pressure is applied.

  Further, the vertical length of the waterproof sheet 10 is longer than the vertical length of the predetermined portion 41 of the shutter 4 and is set to a length as shown below. That is, in a state where the waterproof sheet 10 is held by the holding member 20, it is possible to hang the sheet lower portion 13 on the floor surface 7 and to follow the floor surface 7. The waterproof sheet 10 is installed in a state in which the sheet lower portion 13 is extended toward the outdoor side along the floor surface 7. In other words, the waterproof sheet 10 is disposed so as to face the floor surface 7 provided in the sheet lower part 13 and to be separated from the shutter 4 as the sheet lower part 13 moves toward the front end side.

  And even if it makes it closely_contact | adhere to the surface of the shutter 4 when installing in the opening part O, the width | variety of the waterproof sheet 10 is larger than the width W of the opening part O like the case where many wrinkles generate | occur | produce in the waterproof sheet 10 If it is much larger, the waterproof sheet 10 is folded on the basis of the instruction unit 15 so that the waterproof sheet 10 has a slack enough to be in close contact with the shutter 4 without generating wrinkles as much as possible. At this time, as shown in FIG. 5, the sheet body 11 of the waterproof sheet 10 is folded at the center so that the tip of the knob portion 16 is at the top and the fixing member mounting portion 12 is overlapped facing the outdoor side. At this time, the central portion of the sheet body 11 of the waterproof sheet 10 is folded over the entire length in the vertical direction so that the waterproof sheet 10 can be in close contact with the shutter 4 without generating wrinkles as much as possible.

  Then, the magnet 42 is attracted to the shutter 4 via the folded part of the sheet body 11 of the waterproof sheet 10, and the folded part of the sheet body 11 of the waterproof sheet 10 is fixed to the shutter 4. Further, the knob portion side fixing member 17 and the main body side fixing member 18 are fixed to each other, and the knob portion 16 is fixed to the sheet main body 11. As described above, in the first embodiment, the sheet body 11 of the waterproof sheet 10 is folded so that the knob portion 16 is at the head and the fixing member mounting portion 12 faces the outdoor side. Is folded based on the instruction unit 15. Thus, in the present embodiment, both ends in the width direction of the sheet body 11 of the waterproof sheet 10 are held by the holding member 20 and folded based on the instruction unit 15 so that the fixing member mounting portion 12 faces the outdoor side, The magnet 42 attached to the fixing member attaching portion 12 is attached to the shutter 4 through the folded portion of the sheet body 11 of the waterproof sheet 10.

  In addition, when the waterproof sheet 10 has the core 14 at both ends held by the holding member 20 and is closely attached to the shutter 4 when installed in the opening O, the waterproof sheet 10 hardly generates wrinkles. The both ends of the sheet body 11 in the width direction of the waterproof sheet 10 are held by the holding members 20, and the sheet lower portion 13 is extended toward the outdoor side along the floor surface 7, and then, as shown in FIG. The part side fixing member 17 and the main body side fixing member 18 are fixed to each other.

  Then, the pressing member 30 is disposed on the sheet lower portion 13. In this manner, the waterproof sheet 10 integrally covers the predetermined portion 41 and the portion adjacent to the predetermined portion 41 of the wall 3, and the pressing member 30 in a state where the sheet lower portion 13 extends toward the outdoor side along the floor surface 7. Thus, the waterproof sheet 10 is pressed toward the floor surface 7 and the shutter 4. Further, the suction cup 43 is attracted to the surface of the shutter 4. Thus, the waterproof device 1 is assembled.

  Further, in the waterproof device 1, the waterproof sheet 10 is attached to the shutter 4 by the magnet 42 and the suction cup 43 that fix the upper end of the waterproof sheet 10 to the shutter 4, and the waterproof sheet 10 is prevented from hanging down. Thereby, it can hold | maintain above the position of the water level which aims at the upper end part of the waterproof sheet 10. FIG. In place of the magnet 42 and the suction cup 43, an adhesive tape, a hook-and-loop fastener, or the like can be used as a fixing member that fixes the upper end portion of the waterproof sheet 10 to the shutter 4.

  In the waterproof device 1 according to the first embodiment, when the outdoor water volume increases due to flooding, guerrilla heavy rain, or the like, the seat lower portion 13 first comes into contact with water. The seat lower portion 13 is pressed toward the floor surface 7 by the water pressure, and the seat lower portion 13 comes into close contact with the floor surface 7. Thereby, it is suppressed that water permeates from between the seat lower portion 13 and the floor surface 7. In addition, since the lower sheet portion 13 is pressed toward the floor surface 7 by the pressing member 30, water infiltration through the gap between the lower sheet sheet 13 and the floor surface 7 is more reliably suppressed even in the case of a low water level. Is done. Further, the pressing member 30 can suppress the sheet lower portion 13 from being lifted by a water flow or the like. The waterproof sheet 10 can integrally cover the predetermined portion 41 and the floor surface 7 adjacent to the predetermined portion 41 by water pressure.

  Further, the portion of the waterproof sheet 10 covering the shutter 4 is pressed toward the shutter 4 by water pressure. Thereby, the waterproof sheet 10 can integrally cover the predetermined portion 41 of the shutter 4 and the guide rail 5 adjacent to the predetermined portion 41. When the waterproof sheet 10 is pressed by water pressure, the waterproof sheet 10 is in close contact with the guide rail 5 and the shutter 4, and water can be prevented from entering between the waterproof sheet 10, the guide rail 5 and the shutter 4. .

  Moreover, the waterproof sheet 10 can suppress water intrusion to the indoor side through these gaps by closing the gap between the shutter 4 and the gap between the shutter 4 and the guide rail 5 with water pressure. The waterproof sheet 10 closes the gap between the predetermined portion 41 of the shutter 4 and the floor surface 7 adjacent to the predetermined portion 41 by water pressure, thereby preventing water from entering the indoor side through the gap between the shutter 4 and the floor surface 7. Can be suppressed.

  Since the waterproof sheet 10 is pressed against the guide rail 5 and the shutter 4 by the water pressure, as the water level increases, the adhesiveness to the guide rail 5 and the shutter 4 increases, and the blocking property for closing each gap increases. Therefore, the waterproof sheet 10 has improved water shielding performance according to the water level, and can appropriately prevent water from entering the indoor side.

  Moreover, since the waterproof sheet 10 is held by the holding member 20 in a state having a slack beforehand, the waterproof sheet 10 can be brought into close contact with the guide rail 5 and the shutter 4 quickly by water pressure as the water level increases. In addition, since it has slack, it is appropriately deformed and bent corresponding to the shape of the gap of each part such as the gap between the shutter 4 and the guide rail 5, and each gap is closed quickly and appropriately. Can do.

  According to the waterproof device 1 of the first embodiment, since the instruction unit 15 indicating the position to be folded on the waterproof sheet 10 is provided in advance, for example, when the width of the waterproof sheet 10 is much larger than the opening O, it is always The waterproof sheet 10 can be folded at a certain position. Moreover, the fixing member attaching part 12 which faces the outdoor side and to which the magnet 42 is attached when the sheet is folded in the vicinity of the instruction part 15 of the waterproof sheet 10 is provided. For this reason, when the waterproof sheet 10 is folded based on the instruction part 15, the magnet 42 attached to the fixing member attaching part 12 moves the shutter 4 to the place where the sheet body 11 of the waterproof sheet 10 is folded. To keep the crease at the folded point. Therefore, when the waterproof device 1 is installed in the opening O, the waterproof sheet 10 can be prevented from being displaced from the shutter 4. Therefore, when the waterproof device 1 is installed in various openings O, the waterproof sheet 10 can suppress water from the openings O, and the waterproof sheet 10 can cope with various widths of the openings O. It is possible to suppress an increase in cost.

  Further, since the waterproof device 1 includes the knob portion 16 in which the instruction portion 15 is erected on the outdoor side from the seat body 11, the seat body of the waterproof sheet 10 can be easily held at a certain position by pinching the knob portion 16. 11 can be folded.

[Embodiment 2]
A waterproof device 1 according to Embodiment 2 will be described. 6 is a perspective view showing a waterproof device for an opening according to Embodiment 2 of the present invention, and FIG. 7 is a perspective view of a main part of a waterproof sheet of the waterproof device for an opening according to Embodiment 2 of the present invention. . 6 and 7, the same parts as those of the first embodiment are denoted by the same reference numerals and the description thereof is omitted.

  In the waterproof sheet 10 of the waterproof device 1 according to the second embodiment, as shown in FIGS. 6 and 7, the suction cup 45 is used as the fixing member, and the fixing member mounting portion 12 to which the suction cup 45 is attached is the upper end portion of the knob portion 16. Is provided. In the waterproof sheet 10 of the waterproof device 1 according to the second embodiment, the fixing member attaching portion 12 is a hole provided in the upper end portion of the knob portion 16 so that the fixing member attaching portion 12 is disposed in the vicinity of the indicating portion 15. ing. The knob portion 16 faces the outdoor side when the sheet main body 11 of the waterproof sheet 10 is folded based on the instruction portion 15.

  The waterproof device 1 according to the second embodiment in which the waterproof sheet 10 is installed in the opening O is assembled in the same manner as in the first embodiment. First, similarly to the first embodiment, the waterproof device 1 according to the second embodiment holds both ends in the width direction of the waterproof sheet 10 by the holding members 20, and the sheet lower portion 13 faces the outdoor side along the floor surface 7. Extend. If a large number of wrinkles are generated on the waterproof sheet 10 even if it is brought into close contact with the surface of the shutter 4 when installed in the opening O, the waterproof sheet 10 is placed on the instruction unit 15 as in the first embodiment. Fold based. At this time, the front end of the knob portion 16 is placed at the top and the fixing member mounting portion 12, that is, the knob portion 16 is overlapped facing the outdoor side, and the waterproof sheet 10 can be in close contact with the shutter 4 as much as possible without generating wrinkles. The sheet body 11 of the waterproof sheet 10 is folded at the center. Then, the suction cup 45 is attracted to the surface of the shutter 4, and the folded portion of the sheet body 11 of the waterproof sheet 10 is fixed to the shutter 4. Further, the knob portion side fixing member 17 and the main body side fixing member 18 are fixed to each other, and the knob portion 16 is fixed to the sheet main body 11.

  Thus, in the second embodiment, both ends of the waterproof sheet 10 in the width direction of the sheet body 11 are held by the holding member 20 and folded based on the instruction unit 15 so that the fixing member mounting portion 12 faces the outdoor side. The suction cup 45 attached to the fixing member attaching portion 12 is attached to the shutter 4. Then, the pressing member 30 is disposed on the sheet lower portion 13, and the suction cup 43 is attracted to the surface of the shutter 4. Thus, the waterproof device 1 is assembled. In addition, when the instruction | indication part 15 and a folding part exist also in the sheet | seat lower part 13, it is preferable to install the pressing member 30 on this (the pressing member 30 is the whole width direction of the opening part O on the sheet | seat lower part 13). If it is continuously arranged over the range, as a result, the pressing member 30 is also installed on the instruction unit 15).

  According to the waterproof sheet 10 of the waterproof device 1 according to the second embodiment, as in the first embodiment described above, water intrusion from the opening O can be suppressed even when installed in various openings O. And the waterproof sheet 10 can respond also to the width | variety of the various opening part O, and can suppress the rise in cost.

  In Embodiments 1 and 2, the knob portion 16 is provided. However, in the present invention, the knob portion 16 may not be provided in the waterproof sheet 10 as in the modified examples shown in FIGS. 8 and 9. . FIG. 8 is a plan view of the main part of the waterproof sheet of the waterproof device for an opening according to the modification of the first embodiment of the present invention, and FIG. 9 is the waterproof device for the opening according to a modification of the first embodiment of the present invention. It is a perspective view of the principal part of the waterproof sheet. In FIG. 8 and FIG. 9, the same parts as those of the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  In the modification shown in FIG.8 and FIG.9, the instruction | indication part 15 was provided in the center part of the width direction of the sheet | seat main body 11 of the waterproof sheet 10, and was provided linearly over the full length of the sheet | seat main body 11 in the perpendicular direction. Mark. In the vicinity of the instruction portion 15, a fixing member attaching portion 12 and a sheet fixing member 46 constituted by a magic table or the like are provided. The fixing member attaching portion 12 and the sheet fixing member 46 are arranged at positions where the indicating portion 15 is sandwiched between them.

  In the modification, when the sheet body 11 is folded when the waterproof sheet 10 is installed in the opening O, as shown in FIG. 9, the instruction unit 15 is placed at the head, and the fixing member mounting unit 12 faces the outdoor side. The seat body 11 is folded so as to do this. And while fixing the upper end part of the sheet | seat main body 11 of the waterproof sheet 10 to the shutter 4 with the magnet 42, the fixing member 46 for sheets is attached, and the location where the sheet | seat main body 11 of the waterproof sheet 10 was folded is maintained. As described above, in the modification, the sheet body 11 of the waterproof sheet 10 is folded so that the instruction unit 15 is at the head and the fixing member mounting portion 12 faces the outdoor side. It is said to fold based on the instruction unit 15. In the modification, a suction cup 45 may be used instead of the magnet 42 as a fixing member. In this case, it is desirable to provide the fixing member attaching portion 12 in the indicating portion 15. Moreover, in this invention, the instruction | indication part 15 may be comprised only by the adhesion part 15a.

  In the first embodiment, the second embodiment, and the modification, the shutter is shown as the opening / closing body. However, in the present invention, as the opening / closing body, for example, a pair of doors move in the opening / closing direction such as the left / right horizontal direction. An opening / closing door that opens and closes the opening O may be used. In this case, it is desirable to use only the suction cups 43 and 45 as a fixing member for attaching the upper end of the waterproof sheet 10 to the opening / closing body. Moreover, in Embodiment 1 and Embodiment 2 mentioned above, the knob part 16 was integrally provided in the waterproof sheet 10, However, In this invention, it is not limited to this, The knob part 16 is separated from the waterproof sheet 10. It may be provided. Further, in the present invention, the order of folding and the order in which both ends of the sheet body 11 in the width direction are held by the holding member 20 are arbitrary. It is preferable to support the first holding member 20 and then support the other end portion to the other holding member 20 and then fold it at a position close to the other holding member 20 (in such a position). For example, the instruction unit 15 is arranged so that the instruction unit 15 is present at a position that is not in the center in the width direction of the sheet main body 11 but is located near the center, but is somewhat deviated in either width direction. Preferably).

  The contents disclosed in the above embodiments and modifications can be implemented in appropriate combination.

1 Opening waterproof device 4 Shutter (opening / closing body)
7 Floor surface 10 Waterproof sheet 11 Sheet body 12 Fixing member attaching part 13 Lower part of sheet (vertical lower end part)
DESCRIPTION OF SYMBOLS 15 Instruction part 16 Knob part 20 Holding member 41 Predetermined part 42 Magnet (fixing member)
45 Suction cup (fixing member)
O opening S structure

Claims (18)

The opening is provided by integrally covering a predetermined portion on the lower end side in the vertical direction of the opening / closing body that opens and closes an opening communicating the indoor side and the outdoor side of the structure, and a portion adjacent to the predetermined portion of the structure. It is positioned on the outdoor side with respect to the opening / closing body so that the vertical lower end side is closed toward the outdoor side along the floor surface, and the end in the width direction is held In a waterproof sheet that is detachably held by a member,
A sheet body in which both ends in the width direction are held by the holding member;
An indication unit provided along the vertical direction in the seat body and showing a position to be folded when installed in the opening,
A first fixing member that is disposed in the vicinity of the indicating portion of the seat main body and fixes the seat main body to the opening / closing body is attached, and when the folding is performed based on the indicating portion, A fixing member mounting portion facing ,
Waterproof sheet, wherein the instruction unit and part to be folded with the seat body is that provided in a range covering the opening and closing member in the width direction of the seat body.   The instruction unit is formed by overlapping a part of the sheet body in the width direction and bonding at least a part of the sheet body stacked on each other.
  The waterproof sheet according to claim 1.   The instruction unit is provided on the outdoor side from the seat body,
  The seat body is folded to the outdoor side based on the indicator.
  The waterproof sheet according to claim 1 or 2, wherein   The portion located at the boundary between the opening and closing body and the floor surface of the instruction unit is configured by a foldable member.
  The waterproof sheet according to any one of claims 1 to 3, wherein:   The seat body is provided with a second fixing member for fixing the folded portion.
  The waterproof sheet according to any one of claims 1 to 4, wherein the waterproof sheet is provided.   A pressing member that presses the seat body toward the floor surface is further provided.
  The waterproof sheet according to any one of claims 1 to 5, wherein: The instruction unit according to any one of claims 1 to 6, characterized in that it comprises a knob portion provided on the seat body along the vertical direction while standing on the weather side of the seat body Tarpaulin. The opening is provided by integrally covering a predetermined portion on the lower end side in the vertical direction of the opening / closing body that opens and closes an opening communicating the indoor side and the outdoor side of the structure, and a portion adjacent to the predetermined portion of the structure. It is positioned on the outdoor side with respect to the opening / closing body so that the vertical lower end side is closed toward the outdoor side along the floor surface, and the end in the width direction is held A seat body detachably held by a member; a position indicating a folding position when installed in the opening; and an indicator provided along a vertical direction; and disposed in the vicinity of the indicator; and A fixing member attaching portion to which a first fixing member for attaching the seat main body to the opening / closing body is attached, and the folding portion of the instruction portion and the seat main body is connected to the opening / closing body in the width direction of the seat main body. Provided in the covered area A waterproof method using a waterproof sheet that,
Both ends of the waterproof sheet in the width direction are held by the holding member, and the waterproof sheet is folded based on the instruction portion so that the fixing member mounting portion faces the outdoor side, and is attached to the fixing member mounting portion. The waterproof method using a waterproof sheet, wherein the first fixing member is attached to the opening / closing body.   The instruction unit is provided on the outdoor side from the seat body,
  When the waterproof sheet is folded based on the instruction unit, the sheet body is folded to the outdoor side based on the instruction unit.
  The waterproofing method according to claim 8.   Further, the folded portion of the seat body is fixed by the second fixing member.
  The waterproofing method according to claim 8 or 9, further comprising:   Further, the sheet body is pressed toward the floor surface by a pressing member.
  The waterproofing method according to any one of claims 8 to 10, further comprising: A waterproof sheet that communicates the indoor side and the outdoor side of the structure, and is installed in an opening that is opened and closed by an opening and closing body;
The waterproof sheet integrally covers a predetermined portion on the lower end side in the vertical direction of the opening and closing body and a portion adjacent to the predetermined portion of the structure, and closes the lower end side in the vertical direction of the opening, and Position the waterproof sheet on the outdoor side of the opening / closing body so that the vertical lower end of the waterproof sheet extends along the floor surface toward the outdoor side, and the end of the waterproof sheet in the width direction can be removed and a holding member for holding the,
The waterproof sheet is
A sheet body in which both ends in the width direction are held by the holding member;
An indication unit provided along the vertical direction in the seat body and showing a position to be folded when installed in the opening,
A first fixing member that is disposed in the vicinity of the instruction portion of the seat main body and that attaches the seat main body to the opening / closing body is attached and faces the outdoor side when folded based on the instruction portion. comprising a fixing member mounting portion for the,
Waterproof device opening, characterized in that the portion to be folded of the indication unit and the sheet body that provided within a range covering the opening and closing member in the width direction of the seat body.   The instruction unit is formed by overlapping a part of the sheet body in the width direction and bonding at least a part of the sheet body stacked on each other.
  The waterproof device for an opening according to claim 12.   The instruction unit is provided on the outdoor side from the seat body,
  The seat body is folded to the outdoor side based on the indicator.
  The waterproof device for an opening according to claim 12 or 13,   The portion of the indicating unit located at the boundary between the opening / closing body and the floor is formed of a foldable member.
  The opening waterproofing device according to any one of claims 12 to 14, wherein the opening waterproofing device is provided.   The seat body is provided with a second fixing member for fixing the folded portion.
  The opening waterproofing device according to any one of claims 12 to 15, wherein the opening waterproofing device is provided.   A pressing member that presses the seat body toward the floor surface is further provided.
  The waterproof device for an opening according to any one of claims 12 to 16, wherein the waterproof device is an opening. The instruction unit according to any one of claims 12 to 17, characterized in that it comprises a knob portion provided on the seat body along the vertical direction while standing on the weather side of the seat body Opening waterproof device.

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