JP2015059379A - Water stop device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water stop device with which establishment operation becomes easier.SOLUTION: An opening part 5 which opens in a vertical direction is formed with a wall 2 which is formed on a sidewalk 1 on the ground and has a c-shape in plane-view. A gateway 6 to an underground facility is arranged on a part where the wall 2 is not arranged in the opening part 5. A water stop plate 10 which stands on the gateway 6 and prevents infiltration of water from the gateway 6 into the underground facility in the case of emergency is arranged on inner side upper parts 3B of right and left side wall parts 3 extending from both right and left sides of the gateway 6 to the opposite side from the gateway 6 in the wall 2 in a normal case.

Description

  The present invention is to prevent intrusion of rainwater, flooded river water, seawater, etc. from the entrance to the underground facility formed on the ground in the event of a heavy rain or tsunami. The present invention relates to a water stop device, and can be used for, for example, an entrance to a subway, an entrance to an underground parking lot, an entrance to a basement of a building such as a building.

  Conventionally, at the entrance to the subway, as shown in Patent Document 1 below, rainwater, river water, seawater caused by tsunami, etc. due to heavy rain, tsunami, A water stop device equipped with a water stop plate is installed to prevent entry into subway stations or railway tracks, which are underground facilities.

  In the event of an emergency, the entrance to the subway where the waterstop is erected is generally the opening that is formed on the ground and is open in the vertical direction by the waist wall that is U-shaped in plan view. It is provided at a location where the waist wall is not provided, and a roof is installed above the opening.

  By the way, as a place for storing the water stop plate of the water stop device, the vicinity of the entrance to the subway is desirable, but since the entrance to this subway is located on the sidewalk, there is a storage place (in other words, a storage place). The current situation is that it is difficult to secure.

  For this reason, as a place to store the water stop plate of the water stop device, for example, the subway station premises away from the entrance to the subway can be considered, but it takes labor and time to carry the water stop plate, so in an emergency, There is a risk that a quick water stop operation cannot be started.

  In order to solve such a problem, for example, the water stop plate is stored in a roof installed above the opening, and in an emergency, the water stop plate is moved by a guide rail provided from the roof to the entrance and exit. The water stop device of the system as shown in the following patent documents 2 and patent documents 3 to make it stand is devised.

JP-A-7-247766 JP 2004-60412 A JP 2007-239205 A

  However, in the water stop device of the above method, the guide rail must be designed in accordance with the roof structure having various designs for each doorway, and when installed in the existing doorway, the roof structure However, it may not be able to withstand the weight of the water stop plate stored in the roof. In this case, the roof structure needs to be reinforced, and installation work (including construction work) of the water stop device is not easy.

  For this reason, the device of the water stop apparatus which can perform installation work more easily is calculated | required.

  An object of the present invention is to provide a water stop device that enables installation work to be performed more easily.

  In the water stop device according to the present invention, an opening that is open in the vertical direction is formed by a wall that is formed on the ground and is U-shaped in plan view, and the wall is provided in the opening. There is an entrance to the underground facility at a place not provided, and in an emergency, standing at or near the entrance and stopping water to prevent ingress of water from the entrance to the underground facility In the water stop device provided with a plate, the water stop plate is, at normal times, the upper part on the back side of the left and right side walls extending from the left and right sides of the entrance to the opposite side of the entrance. It is characterized by being arranged.

  In the present invention, in the event of an emergency, the water stop plate that is erected at or near the entrance to the underground facility and prevents water from entering the underground facility from the entrance and exit is normally viewed in plan view. Of the walls in the shape of a letter, the walls are arranged at the upper part on the back side of the left and right side walls extending from the left and right sides of the entrance to the opposite side of the entrance.

  That is, in the present invention, the water stop plate is not stored in the underground facility as usual, as described above, and is not stored on the roof installed above the entrance and exit. Of the walls that are U-shaped in plan view, they are arranged at the upper part on the back side of the left and right side wall portions.

  For this reason, according to the present invention, installation work (including construction work) of the water stop device can be performed more easily than in the past.

  In addition, according to the present invention, compared with the case where the water stop plate is stored in the underground facility at normal times, the work of storing the water stop plate (in other words, storage work) and the take-out operation are simplified. It will be possible to reduce the labor and time required.

  In the present invention, in the normal state, the “upper part” on the back side of the left and right side wall portions on which the water stop plates are arranged includes the upper side portion of the side wall portion and the side wall portion that is a portion below the upper surface portion. Side surfaces and the like.

  Further, in the present invention, the water stop plate is disposed at the upper part on the back side of the left and right side wall portions of the wall that is U-shaped in plan view. Of the U-shaped walls, they may be arranged over (in other words, straddling) the upper part of the rear wall part (in other words, the back wall part) that is the wall part facing the doorway. You do n’t have to.

  In the present invention, the height dimension of the U-shaped wall in plan view may be arbitrary, for example, it may be the same as or substantially the same as the height dimension of the human waist, It may be larger than the height dimension.

  In the present invention, the “U-shape” includes a substantially U-shape.

  In the present invention, the “entrance to the underground facility” may be an entrance that goes down to the basement by a staircase, an entrance that goes down to the basement by a slope, or an entrance that goes down to the basement by an escalator. But you can.

  In the present invention, the arrangement state of the water stop plate in a normal state may be arbitrary, and the water stop plate is a double-sided portion (in other words, a front surface portion and a back surface portion) in the thickness direction of the water stop plate in a normal state. ) May be in a horizontally placed state in which one surface portion is placed on the back side upper part of the left and right side wall portions, and is a direction orthogonal to the thickness direction of the water stop plate and the width direction of the water stop plate One of the upper and lower double-sided portions (in other words, the upper surface portion and the lower surface portion (in other words, the bottom surface portion)), which is the length direction that is orthogonal to each other, is placed on the upper back side of the left and right side wall portions. It is good also as a vertically installed state.

  In the present invention, the water stop plate may or may not be movable with respect to the left and right side wall portions.

  In the present invention, in the event of an emergency, in order to make the water stop plate stand up at or near the entrance / exit, the water stop plate disposed at the upper part of the left and right side walls is moved to the entrance / exit. However, by making the water stop plate movable with respect to the left and right side wall portions, the work of moving the water stop plate is facilitated.

  In addition, when moving the water stop plate that was erected at or near the entrance / exit in the event of an emergency to the upper part of the left and right side walls, which is the original placement location (normal storage location), By making it movable with respect to the side wall portion, the movement work of this water stop plate becomes easy.

  For this reason, it is preferable that the water stop plate is movable with respect to the left and right side wall portions.

  In the present invention, when the water stop plate is movable with respect to the left and right side wall portions, the left and right side wall portions may be provided with guide portions for guiding the water stop plate so as to be movable. May be.

  In the former case, the guide portion may or may not be provided over the entire length in the extending direction of the left and right side wall portions or substantially the entire length.

  The guide portion may be formed by a guide member that can be attached to and detached from the left and right side wall portions, or may be formed integrally with the left and right side wall portions.

  In addition, this guidance part may guide without a gradient in the moving direction of a water stop board, and may provide a gradient with the gradient in the movement direction of a water stop board.

  In the present invention, the guide portion may be one in which both end portions in the width direction of the water stop plate can roll with respect to the left and right side wall portions or can slide.

  In the former case, rolling members that roll at the guide portion when the water stop plate moves may be arranged at both ends in the width direction of the water stop plate.

  Here, the rolling member may be disposed on both side surface portions (in other words, left and right side surface portions) of the both ends in the width direction of the water stop plate, and among the both ends in the width direction of the water stop plate, You may arrange | position to one surface part (in other words, one surface part of a surface part and a back surface part) in the thickness direction of this water stop board.

  As described above, in the case where the guide portions for movably guiding the water stop plate are provided on the left and right side wall portions, the type and structure of the guide portions may be arbitrary.

  As described above, as a first example of the guide portion when the rolling members that roll at the guide portion when the water stop plate moves are arranged at both ends in the width direction of the water stop plate. An upwardly opened groove part into which the rolling member is inserted may be formed on the upper part of the left and right side wall parts over the entire length or substantially the entire length of the side wall parts in the extending direction. Further, as a second example of the guide portion, the groove portion opened in the lateral direction in which the rolling member is inserted (in other words, the opening portion side opened in the vertical direction by the U-shaped wall in plan view). May be formed on the inner side surface portions of the left and right side wall portions over the entire length in the extending direction of these side wall portions or substantially the entire length. Further, as a third example of the guide portion, by cutting out the opening side portions (in other words, the inner side surface portions) of the upper portions of the left and right side wall portions over the entire length in the extending direction of these side wall portions or substantially the entire length. The formed step portion can be exemplified.

  In addition, when the rolling member that rolls at the guide portion when the water stop plate moves is not disposed at both ends in the width direction of the water stop plate, that is, the water stop plate is slid against the left and right side wall portions. The first example of the guide unit in the case of being movable is the stepped portion which is the third example of the guide unit described above. Further, the second example of the guide portion is a rising portion that rises from an end portion on the opposite side to the opening side of both end portions in the thickness direction of the side wall portions on the upper surface portions of the left and right side wall portions (in other words, , A plate-like wall portion) is formed over the entire length or substantially the entire length in the extending direction of these side wall portions. Furthermore, the third example of the guide portion is disposed on the upper surface portion of the left and right side wall portions, and the length dimension of the side wall portions in the extending direction or substantially the entire length (in other words, the length of these side wall portions). A frame-like member (in other words, a channel member) having a vertical cross-sectional shape opened to the opening side and having a U-shape is provided.

  In the present invention, when the water stop plate is movable with respect to the left and right side wall portions, the water stop plate arranged at the upper part on the back side of the left and right side wall portions is moved further to the back side in normal times. The stop portion for preventing falling from the rear wall portion is the rear wall portion or the rear end portions of the left and right side wall portions (in other words, the rear end portions of the left and right side wall portions in the extending direction). You may provide in the edge part of a wall part side, and it is not necessary to provide.

  In the present invention, at least one of the both surface portions (in other words, the front surface portion and the back surface portion) in the thickness direction of the water stop plate, the water stop plate erected at the entrance or the vicinity thereof in an emergency. A watertight member for closing the gap between the left and right side walls may or may not be disposed.

  In addition, since it is “at least one surface portion of both surface portions in the thickness direction of the water stop plate”, the watertight member may be disposed on both surface portions in the thickness direction of the water stop plate.

  In the present invention, the watertight member is disposed at least on the left and right edges (in other words, both edges in the left-right direction that is the width direction) or in the vicinity thereof on the one surface portion of the waterstop plate in the standing state. Is preferred. That is, it is preferable that the watertight member is disposed in a portion facing (facing) at least the left and right side wall portions in the one surface portion of the water blocking plate in the standing state.

  In addition, when the height position of the uppermost step of the stairs from the entrance to the underground facility is higher than the height position on the ground, the edge below the water stop plate in the standing state ( In other words, if the upper edge of the vertical direction (the lower edge of the length direction) faces the uppermost step of the staircase, a watertight member is also placed on the lower edge of the waterstop You may make it do.

  The watertight member is also disposed on the end surface (in other words, the bottom surface portion (in other words, the bottom surface portion)) of the bottom ends of the both ends in the vertical direction, which is the length direction of the water blocking plate in the standing state. May be. That is, the watertight member may be disposed on the bottom surface portion that is a portion facing the ground surface of the waterstop plate in the standing state.

  In the present invention, when there is a possibility that the water stop plate cannot be maintained upright at or near the entrance / exit in an emergency, the water stop plate is installed upright at or near the entrance / exit It is preferable to provide a water stop plate standing state maintaining means for maintaining

  The form, structure, etc. of the water stop plate standing state maintaining means may be arbitrary as long as the water stop plate can maintain the state of standing at the entrance or the vicinity thereof.

  As a first example of the water stop plate standing state maintaining means, a concave portion provided over one of the left and right side walls and the water stop plate over the entire length in the vertical direction, and the other over the entire length in the vertical direction. And a convex portion that can be fitted into the concave portion. In this first example, the water stop plate includes a watertight member disposed on the water stop plate. That is, when the watertight member is disposed on the water stop plate, it means that the watertight member may be provided with convex portions or concave portions that can be fitted to the concave portions or convex portions provided on the left and right side wall portions.

  In addition, as a second example of the water stop plate standing state maintaining means, a magnetic member formed of a magnetic material such as metal disposed on the front surface of the left and right side walls, and a water stop plate in the standing state Among them, there may be mentioned a magnet that is configured to include magnets arranged inside portions that are opposed to the left and right side wall portions (in other words, left and right edge portions that are both end portions in the width direction). As described above, when a watertight member is disposed on the water stop plate, a magnet may be disposed inside the watertight member. In the second example, the front portions of the left and right side wall portions may be formed of a magnetic material.

  Furthermore, as a third example of the water stop plate standing state maintaining means, a string-like member provided on either one of the left and right side wall portions and the water stop plate, and the string-like member provided on the other side The thing comprised including the connection part which a member can connect can be mentioned.

  Moreover, the 4th example of a water stop plate standing state maintenance means is the metal fitting (in other words, fixing means) which fastens a water stop plate and the left and right side wall parts. As a specific example of this, it is attached to one of the side surfaces of the both sides of the water stop plate in a state of standing at the doorway, and one of the outer surfaces of the side wall disposed on the side of the side, A handle member that is rotatable about an axis, and a rear end portion of the handle member at a rear portion of the shaft at both ends in the width direction are locked, and the handle member rotates about the rear end portion. Of the ring-shaped hanging metal fittings in plan view, the one side surface portion of the both side surface portions of the water stop plate, and the outer side surface portion of the side wall portion disposed on the side surface portion side. The handle member is pivoted to the other side and the latch of the handle member is pivoted to the other side, whereby the tip of the latch can be locked. A receiving bracket having a groove, and In those constituted (such as, for example, mechanisms for tightening with a toggle action of one member disclosed in JP-A-2000-352255 to the other member) may be mentioned.

  In this example, after the hook of the handle member is locked in the groove of the catch, the handle member is rotated to the one side to maintain the standing state of the water stop plate. (The state where the water stop plate is fixed to the side wall portion (locked state)). On the other hand, by turning the handle member to the other side while the standing state of the water stop plate is maintained, the hook of the handle member that has been locked in the groove portion of the metal fitting is It becomes possible to remove the metal fittings, thereby releasing the state where the standing state of the water stop plate is maintained (releasing the state where the water stop plate is fixed to the side wall portion (unlocked state) )).

  The water stop plate standing state maintaining means in this example is preferably at least one on each side surface portion in the width direction of the water stop plate and the outer surface portion of the left and right side wall portions (that is, one on each side), preferably Are provided in the left and right vertical directions.

  Furthermore, the 5th example of a water stop plate standing state maintenance means is the metal fitting (in other words, pressure contact means) for press-contacting a water stop plate and the left and right side wall parts. As a specific example, both ends of the water stop plate in the width direction in a state of standing at the door, and the surface portion disposed outside the door of the both sides in the thickness direction of the water stop plate The first handle member is disposed, and the second handle member is disposed on the surface portion disposed on the inner side of the entrance / exit, and these handle members are coupled to both end portions of the shaft passing through the thickness direction of the water stop plate. The center of the second handle member protrudes in the diameter direction of the center axis of rotation, and the tip of the second handle member A projecting portion having a rotating member rotatable around an axis is provided, and the rotating member of the projecting portion of the second handle member rotated to the side wall portion side is provided on the inner side surface portion of the side wall portion. It can be inserted and tapers upward or downward A metal fitting having a concave portion with a super-shape is embedded (for example, provided on the handle member by rotating a handle member disposed on one member disclosed in JP 2007-56602 A). And the like, such as a locking mechanism using the fact that the rotating member is pressed against a receiving metal member disposed on the other member.

  In this example, after the water blocking plate is erected, the rotating member of the protruding portion of the second handle member is rotated by the second handle member to the side wall portion side. The standing state of the water stop plate is maintained by being in pressure contact with the inner side surface portion and in contact with the upper surface portion of the metal fitting (the state in which the water stop plate and the side wall portion are in pressure contact (locked state)). )become. On the other hand, in a state where the standing state of the water stop plate is maintained, the state where the standing state of the water stop plate is maintained by rotating the handle member to the side opposite to the side wall portion side. It is possible to release (release the state where the water stop plate and the side wall portion are in pressure contact with each other (to make the unlocked state)). In this example, the distal end portion of the protruding portion of the second handle member is not provided with the rotating member, and the distal end portion of the protruding portion of the second handle member is inserted into the recess of the receiving metal fitting. It may be done.

  The water stop plate standing state maintaining means in this example is preferably at least one (that is, one each on the left and right) at both ends in the width direction of the water stop plate and the inner side surface of the left and right side walls. Are provided in the left and right vertical directions.

  In the present invention, in order to maintain the state in which the water stop plate is erected at or near the entrance / exit without using the water stop plate standing state maintaining means, for example, a water stop plate is used. Further, it may have a shape and a structure that is inclined to the left and right side wall portions (entrance / exit side) when it is erected, that is, a forward inclined posture. In this case, when a watertight member is disposed on the waterstop plate, the watertight member has a shape and a structure that are in close contact with the front portions of the left and right side walls when the waterstop plate is erected. Preferably.

  In this invention, you may make it provide the water stop board standing guide part for guiding that a water stop board is made to stand in the entrance / exit or the vicinity in an emergency in the left and right side wall part.

  The form, structure, etc. of the water stop plate standing guide part may be arbitrary, and this water stop plate standing guide part may be integrated with the left and right side wall parts, and is a separate body. It may be a thing.

  As an example of the former case, the opening side portion (in other words, the inner side surface portion) of the end portion on the entrance / exit side of the left and right side wall portions or the vicinity thereof (in other words, the vicinity of the front surface portion) is cut out in the vertical direction. The hollow part which is formed by this and into which a water stop board is slidably inserted can be mentioned. In this example, the recessed portion can be used as a water stop plate standing state maintaining means. That is, in this example, the dent portion serves as both the water stop plate standing guide portion and the water stop plate standing state maintaining means.

  As an example of the latter case, a frame-shaped member (in other words, a channel material) that is disposed on the front surface portion of the left and right side wall portions and that is open to the opening side (in other words, the horizontal cross-sectional shape) is a U-shape. Can be mentioned. Also in this example, the frame-shaped member can be used as the water stop plate standing state maintaining means.

  In addition, the recessed part provided in any one of the left-and-right side wall part and water stop board which are the structure parts of the 1st example of the water stop board standing state maintenance means mentioned above over the up-down direction full length. Can also be a water stop plate standing guide.

  In the fourth and fifth examples of the water stop plate standing state maintaining means described above, the water stop plate standing guide portion is unnecessary.

  In the present invention described above, the water stop plate may or may not be provided with a gripping portion.

  According to the former case, the work of moving the water stop plate to the upper back side of the left and right side wall portions in normal times, or the water stop plate arranged at the upper back side of the left and right side wall portions in an emergency, or the entrance The operation of moving to the vicinity can be easily performed as compared with the latter case.

  The shape, structure, etc. of the gripping part may be arbitrary. For example, it may be an inverted U shape, may be an inverted L shape, or may be a rod shape such as a cylinder or a prism. In addition, the hollow part formed in the surface of the water stop board is contained in the holding part.

  The place where the gripping part is provided on the water stop plate is the upper part of the water stop plate when moving the water stop plate to the upper part of the left and right side wall parts in normal times or in the emergency. When moving the water stop plate arranged in the doorway to the entrance or the vicinity thereof, it is arbitrary as long as it does not interfere with the wall or the ground. For example, in a normal state, when the water stop plate is placed horizontally on the back side upper part of the left and right side wall portions, the gripping portion of the water stop plate placed horizontally is placed. It is also possible to provide it on the end surface of the end portion on the entrance / exit side, which is one end portion of both the end portions in the length direction of the waterstop plate placed in the horizontal direction, and the top surface portion at both ends in the width direction. Good.

  Note that the number of gripping portions provided on the water stop plate is arbitrary.

  In the present invention, the water stop plate may be moved manually by human power, or automatically by the driving force of the driving device or the driving force using its own weight.

  The present invention is to prevent intrusion of rainwater, flooded river water, seawater, etc. from the entrance to the underground facility formed on the ground in the event of a heavy rain or tsunami. For example, the present invention can be applied to a water stop device installed at an entrance to a subway, an entrance to an underground parking lot, an entrance to a basement of a building or the like.

  According to the present invention, it is possible to obtain an effect that the installation work of the water stop device can be performed more easily.

FIG. 1 is a perspective view showing the entirety of a water stop device according to a first embodiment of the present invention installed at an entrance of a subway, and a water stop plate is arranged at the upper part of the left and right side walls. FIG. FIG. 2 is a perspective view excluding the general road, guide rails, roof, and pillars shown in FIG. 1 and is a view showing a state in which the water stop plate is moved to the vicinity of the doorway. FIG. 3 is a view similar to FIG. 2 showing when the water stop plate is erected at the doorway. FIG. 4 is a view similar to FIG. 2 showing a state in which the water stop plate is erected at the doorway. FIG. 5 is a front view of the doorway as seen from the arrow S5 in FIG. 6 is a cross-sectional view taken along line S6-S6 of FIG. FIG. 7 is a perspective view of the water stop plate shown in FIGS. 1 to 6, and shows a surface on the side where the watertight member is arranged. FIG. 8 is a plan view of FIG. 4 and is a view of the entrance / exit where the water stop plate is erected as seen from above. 9 is a cross-sectional view taken along line S9-S9 in FIG. FIG. 10 is a view similar to FIG. 2 showing the entire water stop device according to the second embodiment. 11 is a cross-sectional view taken along line S11-S11 in FIG. FIG. 12 is a perspective view of the water stop plate shown in FIGS. 10 and 11 and shows a surface on the side where the watertight member is arranged. FIG. 13 is a plan view of the doorway when the water stop plate shown in FIG. 12 is erected. FIG. 14 is a view similar to FIG. 2 illustrating the entire water stop device according to the third embodiment. 15 is a cross-sectional view taken along line S15-S15 in FIG. FIG. 16 is a view similar to FIG. 12 showing the water stop plate shown in FIGS. 14 and 15. FIG. 17 is a plan view of the doorway when the water stop plate shown in FIG. 16 is erected. FIG. 18 is a view similar to FIG. 2 illustrating the entire water stop device according to the fourth embodiment. 19 is a cross-sectional view taken along line S19-S19 in FIG. 20 is a view similar to FIG. 12 showing the water stop plate shown in FIGS. 18 and 19. FIG. 21 is a plan view of the doorway when the water stop plate shown in FIG. 20 is erected. FIG. 22 is a plan view of the water stop device according to the fifth embodiment, and is a view of the water stop plate and an entrance before the water stop plate is erected from above. FIG. 23 is a diagram showing a state in which a water stop plate is erected at the doorway in FIG. FIG. 24 is a plan view of the water stop device according to the sixth embodiment, and is the same view as FIG. 23 when the entrance / exit where the water stop plate is erected is seen from above. FIG. 25 is a view similar to FIG. 9 showing the water stop device according to the seventh embodiment. FIG. 26 is a partially enlarged view of the lower part of the water stop plate shown in FIG. 25. FIG. 27 is a view showing the water stop device according to the eighth embodiment, and is a view of the water stop plate seen from above, and a view showing a horizontal sectional view of the doorway before the water stop plate is erected. It is. FIG. 28 is a view similar to FIG. 23 when the entrance / exit where the water stop plate shown in FIG. 27 is erected is seen from above.

  EMBODIMENT OF THE INVENTION Below, the form for implementing this invention is demonstrated based on drawing. The water stop device according to the present embodiment is installed at an entrance to a subway that is an underground facility, and FIG. 1 is a perspective view showing the entire water stop device.

  As shown in FIG. 1, a side wall 1 that is partitioned by a general road 17 on the ground and a guard rail 18 is formed with a wall 2 that is U-shaped in plan view. An opening 5 that is open in the vertical direction is formed. And in this opening part 5, the entrance / exit 6 to a subway is provided in the location in which the wall 2 is not provided. Further, a roof 8 supported by four pillars 9 erected on the sidewalk 1 is installed above the opening 5 and the entrance 6.

  The water stop device according to the present embodiment, whose specific structure will be described later, includes a water stop plate 10 that is erected at the entrance 6 and prevents water from entering the subway from the entrance 6 in an emergency. FIG. 1 is a diagram showing a water stop device in a normal state, that is, a diagram showing a normal state in which a water stop plate 10 provided in the water stop device is in a stored state (storage state).

  FIG. 2 is a perspective view showing the general road 17, the guard rail 18, the roof 8 and the pillar 9 shown in FIG. Moreover, this FIG. 2 is a figure which shows when the water stop board 10 which was in the accommodation state was moved to the entrance / exit 6 vicinity.

  As shown in FIG. 2, the wall 2 (in other words, the waist wall) 2 forming the opening 5 in a plan view is opposite to the entrance 6 from the left and right sides of the entrance 6. After connecting the left and right side wall portions 3 extending to and the rear end portions of these side wall portions 3 (in other words, the end portion on the opposite side of the entrance / exit 6 of both end portions in the length direction) It is composed of a wall portion (in other words, a back wall portion) 4.

  FIG. 3 is a diagram showing a state in which the water stop plate 10 moved to the vicinity of the entrance / exit 6 is erected on the entrance / exit 6, and FIG. 4 is a diagram showing a case in which the water stop plate 10 is erected on the entrance / exit 6. FIG. 5 is a view taken in the direction of arrow S5 in FIG. 1 and is a front view of the entrance / exit 6. FIG. 6 is a sectional view taken along line S6-S6 in FIG. Further, FIG. 7 is a perspective view of the water stop plate 10 shown in FIGS. 1 to 6, and the side where the watertight member 14 is disposed in the both sides of the water stop plate 10 in the thickness direction. It is a figure which shows 10B (back surface part which is a surface on the opposite side to 10 A of surface parts shown by FIGS. 1-4).

  As shown in FIG. 7, the width dimension of the water stop plate 10, which is a rectangular plate formed of a waterproof hard material (the width direction (left-right direction) shown in FIG. 2 and FIG. 7). The dimension in the X direction) is larger than the dimension between the inner side surfaces of the left and right side wall parts 3 and smaller than the dimension between the outer side surface parts of the left and right side wall parts 3. On the other hand, the length dimension of the water stop plate 10 (the dimension in the Y direction which is the length direction (vertical direction) shown in FIG. 2 and FIG. 7) is larger than the height dimension of the left and right side wall portions 3. ing.

  Moreover, as can be seen from FIG. 3 and FIGS. 5 to 7, the both sides (upper end and lower end) in the length direction of the water stop plate 10 on both side surface portions 10 </ b> G and 10 </ b> H in the width direction of the water stop plate 10. These four rollers 11 are rotatable around a shaft 12 shown in FIGS. 5 and 6 coupled to both side surface portions 10G and 10H of the water blocking plate 10. It has become.

  Further, as shown in FIG. 7, a back surface portion 10 </ b> B which is one surface portion of both surface portions 10 </ b> A and 10 </ b> B in the thickness direction of the water stop plate 10, and in the width direction of the water stop plate 10. A left edge 10C and a right edge 10D (the right edge 10C and the left edge 10D when viewed from the surface portion 10A shown in FIG. 3), which are both edges in the left-right direction, and the length direction A watertight member 14 is disposed on the lower edge portion 10F, which is one edge portion of the two vertical edge portions 10E and 10F. The watertight member 14 formed of an elastic soft material includes a base portion 14A disposed on the lower edge portion 10F of the back surface portion 10B of the water blocking plate 10 and upper ends from both end portions in the width direction of the base portion 14A. It is composed of left and right extending portions 14B extending upward (vertical direction) to the front, and is U-shaped in plan view.

  Moreover, as FIG.3 and FIG.4 shows, in the vicinity of the both ends of the width direction of this water stop board 10 in the upper edge part 10E of the surface part 10A of the water stop board 10 in the standing-up state, A U-shaped (in other words, gate-shaped) gripping portion 13 for gripping the waterstop plate 10 when the waterstop plate 10 is moved is attached.

As shown in FIGS. 1 to 6 and FIG. 8, which is a plan view of FIG. 4, and is a view of the entrance / exit 6 where the water blocking plate 10 is erected, as viewed from above, The upper surface portion 3A has the same or substantially the same length as the side wall portions 3, and the frame-like member 15 has a substantially C-shaped vertical sectional shape except for the rear end portion 15B. Is mounted and fixed.
As can be seen from FIGS. 1 and 2, a slit 15C is formed from the front end portion 15A to the front end portion 15B of the inner side surface portion 15E of the left and right frame-like members 15, and the slit 15C The shaft 12 has a width dimension (vertical dimension) that can be inserted. Moreover, as shown in FIG.5 and FIG.6, interior 15D of the left-right frame-shaped member 15 has the space where the roller 11 of the water stop plate 10 can roll.

  For this reason, in this embodiment, the water stop plate 10 is rollable (movable) with respect to the left and right side wall portions 3 by the four rollers 11 disposed on the water stop plate 10. These four rollers 11 are rolling members that roll in the interior 15D of the frame-like member 15 when the water stop plate 10 moves.

  And the frame-shaped member 15 is provided over the extending direction (arrow B direction shown in FIG. 1) of the left and right side wall portions 3 to form a guide portion for guiding the water stop plate 10 movably. It is supposed to be.

  As shown in FIGS. 1 to 6, the sidewalk 1 in front of the front surface portion 3 </ b> C of the left and right side wall portions 3 has a U-shaped horizontal cross section, and is a frame-shaped member (channel material). 16 is erected. The left and right frame-like members 16 that open to the inner side in the width direction of the entrance / exit 6 have the same or substantially the same length as the height of the left and right side walls 3, and the roller 11 of the water stop plate 10 is accommodated. It has possible opening width dimensions.

  As shown in FIG. 8, the left and right frame-shaped members 16 include a base portion 16 </ b> B extending in the extending direction of the left and right side wall portions 3, and left and right side walls from one end of both end portions in the width direction of the base portion 16 </ b> B. The extending portion 16C extending in the thickness direction of the portion 3 and fixed to the front surface portion 3C of the left and right side wall portions 3, and the left and right side wall portions 3 from the other end portion of both end portions in the width direction of the base portion 16B. The extending portion 16D extends in the thickness direction.

  As shown in FIG. 3, in an emergency, the left and right two rollers 11 are inserted into the inner side 16 </ b> A of the left and right frame-like members 16 and the water stop plate 10 lifted in a vertically oriented state. The roller 11 is erected while rolling inside the left and right frame members 16. When the bottom surface portion 10J releases the hand from the water stop plate 10 that has landed on the sidewalk 1, the water stop plate 10 is supported by the left and right frame members 16 and the standing state is maintained. That is, as shown in FIG. 8, when the left and right rollers 11 below the water stop plate 10 inserted into the interior 16A of the frame-like member 16 are in pressure contact with the inner side surface of the extension portion 16D, The state where the water plate 10 is erected at the entrance / exit 6 is maintained.

  For this reason, in the present embodiment, the frame-shaped member 16 serves as a water stop plate standing guide for guiding the water stop plate 10 to be erected at the entrance / exit 6 in an emergency. It also serves as a water stop plate standing state maintaining means for maintaining the state where the plate 10 is erected at the doorway 6.

  First, the water stop plate 10 is stored in the horizontal direction with the surface portion 10A to which the grip portion 13 is attached facing upward, and the length direction of the water stop plate 10 (vertical direction). 3) which is one of the side surfaces of the upper surface portion 10I) is lifted up to the height of the frame member 15 in a state where the upper surface portion 10I shown in FIG. Preferably, it is performed by at least two workers. That is, the work of lifting the water stop plate 10 is performed until the height position of the shaft 12 of the roller 11 of the water stop plate 10 is the same as or substantially the same as the height position of the slit 15C of the frame-like member 15.

  Thereafter, the shafts 12 of the left and right rollers 11 of the lifted water stop plate 10 are inserted into the slits 15 </ b> C of the left and right frame members 15, and the lifted water stop plate 10 is inserted into the interior 15 </ b> D of the left and right frame members 15. The left and right rollers 11 are inserted, and the water stop plate 10 is moved in the direction opposite to the arrow A direction shown in FIG. The work of moving while rolling in the inside 15D of the shaped member 15 is performed. At this time, the water stop plate 10 may be moved by being held by the grip portion 13 of the water stop plate 10. This moving operation is performed until the shafts 12 of the left and right rollers 11 on the back side come into contact with the rear end portion 15B of the frame-like member 15 shown in FIGS.

  As described above, the rear end portion 15B of the inner side surface portion 15E of the frame-shaped member 15 in which the slit 15C is not formed has the water stop plate 10 that has moved to the back side of the left and right side wall portions 3 further moved to the rear wall. It is a stop part for preventing falling from the part 4.

  As described above, the water stop plate 10 is formed on the back side upper portion 3B of the left and right side wall portions 3 extending from the left and right sides of the entrance / exit 6 to the opposite side of the entrance / exit 6 in the wall 2 in a normal state. Will be placed (stored). The water stop plate 10 is a surface portion (the water stop plate 10 is erected at the entrance / exit 6) which is one of the both surface portions 10A and 10B in the thickness direction of the water stop plate 10 in a normal state. 10 </ b> A on the opposite side to the entrance / exit 6 side) is placed in a horizontally placed state placed on the back side upper part 3 </ b> B of the left and right side wall parts 3.

  Next, a description will be given of an operation of standing the waterstop plate 10 disposed on the back side upper portion 3B of the left and right side wall portions 3 at the entrance / exit 6 in an emergency.

  First, one worker or preferably a plurality of workers puts the water stop plate 10 in the direction of arrow A shown in FIG. The work of moving while rolling in the inside 15D of 15 is performed. At this time, the water stop plate 10 may be moved by being held by the grip portion 13 of the water stop plate 10.

  As shown in FIG. 2, when more than half of the water stop plate 10 being moved passes through the position of the entrance / exit 6, the water stop plate 10 is preferably framed while supporting the water stop plate 10 by a plurality of workers. While removing from the member 15, this water stop board 10 is moved to the arrow C direction, and the work which makes the bottom face part 10J landed on the sidewalk 1 is carried out.

  Thereafter, while gripping the grip portion 13 of the water stop plate 10, an operation of lifting the water stop plate 10 in the vertical direction to just above the frame-shaped member 16 as shown in FIG. 3 is performed.

  Then, the operation of inserting the left and right rollers 11 on the lower side of the water stop plate 10 into the interior 15D of the frame-like member 16 while slowly lowering the water stop plate 10 as shown in FIG. This is performed until the bottom surface portion 10J of the board 10 reaches the sidewalk 1. As a result, as shown in FIG. 8, the outer peripheral surfaces of the lower left and right rollers 11 are in contact with the inner peripheral surface of the frame-like member 16, and the water stop plate 10 is erected at the entrance / exit 6. It becomes.

  8 is a plan view of FIG. 4 as seen from above, and is a view of the entrance / exit 6 where the water blocking plate 10 is erected, as viewed from above, and FIG. 9 is a sectional view taken along line S9-S9 of FIG. It is.

  As can be seen from FIGS. 8 and 9, the base portion 14 </ b> A of the watertight member 14 disposed on the back surface portion 10 </ b> B of the water stop plate 10 standing at the entrance / exit 6 is the front surface portion of the uppermost step portion 7 </ b> A of the staircase 7. 7B and the left and right extending portions 14B of the watertight member 14 are in close contact with the front surface portion 3C of the left and right side wall portions 3. This prevents water from entering the subway from the entrance 6.

  As described above, in the present embodiment, the water stop plate 10 is not stored in a subway station or the like, which is an underground facility, and is installed above the entrance / exit 6 in a normal state. The wall 8 is not housed in the roof 8 and is arranged in the upper part 3 </ b> B on the back side of the left and right side walls 3 of the wall 2 that is U-shaped in plan view.

  For this reason, according to this embodiment, installation work (including construction work) of the water stop device can be performed more easily than in the past.

  In addition, according to the present embodiment, the work for storing the water stop plate 10 (in other words, storage work) and the standing work are easier than the case where the water stop plate 10 is stored in a subway station or the like in normal times. Thus, the labor and time required for these operations can be reduced.

  In addition, the procedure and method of the standing work and storage work of a water stop board are not limited to what was demonstrated above.

  FIGS. 10-13 is a figure which shows 2nd Embodiment which is another embodiment of the water stop apparatus which concerns on embodiment (henceforth 1st Embodiment) shown by FIGS. 1-9 demonstrated above. 10 is a view similar to FIG. 2 showing the entire water stop device according to the present embodiment, FIG. 11 is a cross-sectional view taken along line S11-S11 of FIG. 10, and FIG. 11 is a perspective view of the water stop plate 110 according to the present embodiment shown in FIG. 11, and of the both sides in the thickness direction of the water stop plate 110 on the side where the watertight member 14 is disposed. It is a figure which shows the back surface part 110B which is a surface. FIG. 13 is a plan view (viewed from above) of the entrance / exit 6 where the water stop plate 110 is erected. In each embodiment described below, the same members as those used in the first embodiment are denoted by the same reference numerals as those used in the first embodiment, and the description thereof is omitted. . Moreover, in each embodiment demonstrated below, a water stop board is arrange | positioned in the horizontal state in the back | inner side upper part 3B of the left-and-right side wall part 3 in normal time similarly to 1st Embodiment.

  As can be seen from FIGS. 10 to 12, the water stop plate 110 according to the present embodiment does not have rolling members like the left and right rollers 11 of the water stop plate 10 according to the first embodiment. For this reason, the water stop plate 110 is not rollable with respect to the left and right side wall portions 3, but is movable with respect to the left and right side wall portions 3 (more specifically, the upper surface portion 3A of the left and right side wall portions 3). Is slidable with respect to).

  As shown in FIGS. 10 and 11, the opening 5 side portion of the upper surface portion 3A of the left and right side wall portions 3 is a notched step portion 3D. The formation location is from the front surface portion 3 </ b> C of the left and right side wall portions 3 to the front of the rear wall portion 4.

  As can be seen from FIG. 11, the dimension in the width direction of the water stop plate 110 does not have the rolling member as in the first embodiment, and therefore the width direction of the water stop plate 10 in the first embodiment. It is larger than the dimensions (see FIGS. 5 and 6). That is, the water stop plate 110 has a width dimension in which both end portions 110 </ b> C and 110 </ b> C in the width direction of the water stop plate 110 can be placed on the upper surface portion 3 </ b> A of the left and right side wall portions 3.

  On the upper surface portion 3A of the left and right side wall portions 3, a frame-shaped member 115 having a substantially L-shaped vertical cross section is disposed. Each frame member 115 is placed on and fixed to the upper surface portion 3A of the left and right side wall portions 3, and a base portion 115A opposite to the opening portion 5 side of both end portions in the width direction of the base portion 115A. As shown in FIG. 11, both end portions 110C and 110D in the width direction of the water stop plate 110 are formed on the base portions 115A of the left and right frame members 115, as shown in FIG. The upper surface is moved (slid). As shown in FIG. 11, the step between the base portion 115A of the frame-like member 115 on the upper surface portion 3A of the left and right side wall portions 3 and the step portion 3D is disposed on the back surface portion 110B of the water stop plate 110. The dimension is such that the left and right extending portions 14B of the watertight member 14 are not in contact with each other.

  In the present embodiment, the left and right frame members 115 are provided over the entire length of the left and right side wall portions 3 in the extending direction (the direction of arrow B shown in FIG. 1), and can freely move (slide) the water stop plate 110. The guide part for guiding to is formed.

  Moreover, in this embodiment, the movement to the back | inner side which is the opposite side to the entrance / exit 6 from the front surface part 3C of the right-and-left side wall part 3 of the water stop board 110 was arrange | positioned at this water stop board 110 at the back surface part 110B. The front end portion 14E (see FIG. 12) of the left and right extending portions 14B of the watertight member 14 is stopped by coming into contact with the rear wall portion 4.

  Thus, the rear wall portion 415 forming the wall 2 is a stop for preventing the water stop plate 110 moved to the back side of the left and right side wall portions 3 from further moving and dropping from the rear wall portion 4. Has become a department.

  As shown in FIGS. 10 and 13, in this embodiment, the left and right frame-like members 116 erected on the front surface portion 3 </ b> C of the left and right side wall portions 3 are the left and right frames of the first embodiment. As in the case of the member 16, a water stop plate standing guide portion is provided for guiding that the water stop plate 110 is erected at the entrance / exit 6 in an emergency, and the water stop plate 110 stands at the entrance / exit 6. It is also a water stop plate standing state maintaining means for maintaining the installed state.

  As shown in FIG. 13, the left and right frame-shaped members 116 include a base portion 116 </ b> B extending in the extending direction of the left and right side wall portions 3, and left and right side walls from one end of both end portions in the width direction of the base portion 116 </ b> B. Extending in the thickness direction of the portion 3 and extending to the front surface portion 3C of the left and right side wall portions 3, the left and right side wall portions 3 from the other end of the widthwise ends of the base portion 116B. Of the both ends 110C and 110D in the width direction of the water stop plate 110 inserted into the interior 116A of the frame-shaped member 116. The state in which the water stop plate 110 is erected at the entrance / exit 6 is maintained by being pressed against the inner side surface portion of the extension portion 116D.

  In the present embodiment, rollers as rolling members are arranged at both end portions 110C and 110D in the width direction of the back surface portion 110B of the water stop plate 110, and the water stop plate 110 rolls with respect to the left and right side wall portions 3. It may be made freely.

  Note that the work of standing the water stop plate 110 at the entrance / exit 6 in the present embodiment is moved from the back side upper part 3B of the left and right side walls 3 as shown in FIG. When more than half of the water stop plate 110 passed through the position of the entrance / exit 6, the water stop plate 110 is detached from the frame-shaped member 115 while preferably supporting the water stop plate 110 by a plurality of workers. Work to move the water stop plate 110 in the direction of arrow C so that the bottom surface portion 110J is placed on the sidewalk 1, and then lift the water stop plate 110 and insert it into the interior 116A of the frame member 116. I do.

  14-17 is a figure which shows the water stop apparatus which concerns on 3rd Embodiment which is another another embodiment of 1st Embodiment mentioned above, FIG. 14: is the water stop apparatus which concerns on this embodiment. FIG. 15 is a cross-sectional view taken along the line S15-S15 in FIG. 14, and FIG. 16 is a water stop plate according to the present embodiment shown in FIGS. It is a perspective view of 210, It is a figure which shows the back surface part 210B which is the surface by which the water-tight member 14 is arrange | positioned among the double-sided parts of the thickness direction of this water stop plate 210. FIG. 17 is a plan view (viewed from above) of the entrance / exit 6 where the water stop plate 210 is erected.

  The water stop plate 210 according to the present embodiment excludes the roller 11 and the shaft 12 from the water stop plate 10 according to the first embodiment. That is, the water stop plate 210 is different from the water stop plate 10 only in that it does not have the roller 11 and the shaft 12, and the water stop plate 210 has the same or substantially the same shape as the main body of the water stop plate 10, Have dimensions.

  As shown in FIGS. 14 and 15, the portion on the opening 5 side in the upper surface portion 3A of the left and right side wall portions 3 is the step portion 3D of the second embodiment shown in FIGS. 10 and 11. In the same manner as above, the step portion 3E is formed, and the left and right step portions 3E are formed from the front surface portion 3C of the left and right side wall portions 3 to the front of the rear wall portion 4.

  As shown in FIG. 15, the step between the upper surface portion 3 </ b> A of the left and right side wall portions 3 and the left and right step portions 3 </ b> E is the sum of the thickness dimension of the water stop plate 210 and the thickness dimension of the watertight member 14. When the water stop plate 210 is placed on the left and right side wall portions 3, the upper surface portion 3A of the left and right side wall portions 3 and the surface portion 10A of the water stop plate 210 are It is in a flush or substantially flush state.

  In the present embodiment, the left and right extending portions 14B of the watertight member 14 arranged on the back surface portion 210B of the water blocking plate 210 move (slide) the step portions 3E of the left and right side wall portions 3. Yes.

  In this embodiment, the step portions 3E of the left and right side wall portions 3 are provided over substantially the entire length in the extending direction of the left and right side wall portions 3, and guide portions for guiding the water stop plate 210 in a movable manner. To form.

  The movement of the water stop plate 210 inserted from the front end, which is the end of the step 3E of the left and right side wall portions 3 on the door 6 side, to the back side opposite to the door 6 is the length of the water stop plate 210. An upper side surface portion (in other words, an upper surface portion) 210I (see FIG. 16) which is one of the side surface portions 210I and 210J in the vertical direction, and a watertight member disposed on the back surface portion 210B of the water blocking plate 210. The end surfaces of the distal end portions 14E (see FIG. 16) of the 14 left and right extending portions 14B come into contact with the rear wall portion 4 to stop.

  As described above, the rear wall portion 415 forming the wall 2 is a stop for preventing the water stop plate 210 moved to the back side of the left and right side wall portions 3 from further moving and dropping from the rear wall portion 4. Has become a department.

  As shown in FIGS. 14 and 17, in this embodiment, the left and right frame members 216 erected on the front surface portion 3 </ b> C of the left and right side wall portions 3 are the left and right frames of the first embodiment. As in the case of the shaped member 16, it is a water stop plate standing guide portion for guiding the water stop plate 210 to be erected at the entrance / exit 6 in an emergency, and the water stop plate 210 is erected at the entrance / exit 6. It is also a water stop plate standing state maintaining means for maintaining the installed state.

  As shown in FIG. 17, the left and right frame-shaped members 216 include a base portion 216B extending in the extending direction of the left and right side wall portions 3, and left and right side walls from one end of both end portions in the width direction of the base portion 216B. Extending in the thickness direction of the portion 3 and extending to the front surface portion 3C of the left and right side wall portions 3, the left and right side wall portions 3 from the other end of the widthwise ends of the base portion 216B. 210C extending in the thickness direction and having an extension amount 216D larger than the extension portion 216C, and both end portions 210C in the width direction of the water stop plate 210 inserted into the interior 216A of the frame-like member 216. , 210D of the surface portion 210A side is in pressure contact with the inner side surface portion of the extension portion 216D, so that the water stop plate 210 is erected on the entrance 6.

  Note that the work of standing the water stop plate 210 at the entrance / exit 6 in the present embodiment is also moved from the back upper part 3B of the left and right side walls 3 as shown in FIG. When more than half of the water stop plate 210 passes through the position of the entrance / exit 6, preferably the water stop plate 210 is supported by the plurality of workers while the water stop plate 210 is supported from the step portions 3E of the left and right side wall portions 3. At the same time, the water stop plate 210 is moved in the direction of arrow C so that the bottom surface portion 210J is placed on the sidewalk 1, and then the water stop plate 210 is lifted and the inside of the frame-shaped member 216 is moved. Work to insert into 216A.

  FIGS. 18-21 is a figure which shows the water stop apparatus which concerns on 4th Embodiment which is another further embodiment of 1st Embodiment mentioned above, FIG. 18 is the water stop apparatus which concerns on this embodiment. FIG. 19 is a cross-sectional view taken along line S19-S19 in FIG. 18, and FIG. 20 is a water stop according to the present embodiment shown in FIG. 18 and FIG. It is a perspective view of the board 310, Comprising: It is a figure which shows the back surface part 310B which is a surface by which the water-tight member 314 is arrange | positioned among the double-sided parts of the thickness direction of this water stop board 310. FIG. FIG. 21 is a plan view (viewed from above) of the entrance / exit 6 where the water stop plate 310 is erected.

  As shown in FIGS. 18 and 19, the watertight member 314 according to the present embodiment includes a base portion 314 </ b> A and both ends of the base portion 314 </ b> A in the width direction, similarly to the watertight member 14 according to each of the embodiments described above. It consists of the extension part 314B extended in an orthogonal direction from a part.

  In the present embodiment, the water stop plate 310 that does not have the roller 11 as in the second and third embodiments is different from the first to third embodiments described above in that the watertight member 314 is disposed. It is arranged in a horizontally placed state on the back side upper part 3B of the left and right side wall parts 3 with the back surface part 310B facing up.

  For this reason, in this embodiment, the portion (in other words, the lower surface portion (bottom surface portion)) of the both ends 310C and 310D in the width direction of the water blocking plate 310 is the left and right frame-shaped members described later. The upper surface portion 3 </ b> A of the left and right side wall portions 3 is moved (slid) through 315.

  As shown in FIGS. 18 and 19, the upper surface portion 3A of the left and right side wall portions 3 has the same or substantially the same length as the lengths of these side wall portions 3, except for the rear end portion 315B. A frame-shaped member 315 having a U-shaped vertical cross section opened to the opening 5 side is placed and fixed, and the width direction of the water stop plate 310 is placed inside 315D of the left and right frame-shaped members 315. Both end portions 310C and 310D of the watertight member 314 and left and right extending portions 314B of the watertight member 314 can be inserted.

  For this reason, in this embodiment, the left and right frame-shaped members 315 are provided over substantially the entire length in the extending direction of the left and right side wall portions 3 to form a guide portion for guiding the water stop plate 310 movably. It is supposed to be.

  The movement of the water stop plate 310 inserted from the front end portion (end portion on the entrance / exit 6 side) of the left and right frame members 315 to the back side opposite to the entrance / exit 6 is the water stop plate 310. Of the lower side surface portion (in other words, the lower surface portion (bottom surface portion)) 310J (see FIG. 20) in the width direction of the water stop plate 310, which is one of the side surfaces 310I and 310J in the longitudinal direction Both ends of the water stop plate 310 in the width direction among the portions of both ends and the lower side surface (in other words, the lower surface (bottom surface)) 314C (see FIG. 20) of the left and right extending portions 314B of the watertight member 314 And the left and right frame-shaped members 315 come into contact with the rear end portions 315B shown in FIG.

  As described above, among the left and right frame-shaped members 315, the rear end portion 315 </ b> B whose vertical cross-sectional shape is not U-shaped further moves the water stop plate 310 moved to the back side of the left and right side wall portions 3. Thus, it serves as a stop portion for preventing the rear wall portion 4 from falling.

  In the present embodiment, the place where the grip portion 13 is provided differs from the first to third embodiments described above in that one of the side surfaces 310I and 310J in the length direction of the water stop plate 310. The upper side surface portion (in other words, the upper surface portion) 310I is the side surface portion.

  As shown in FIGS. 18 and 21, in the present embodiment, the left and right frame-like members 316 erected on the front surface portion 3 </ b> C of the left and right side wall portions 3 are the left and right frames of the first embodiment. As in the case of the member 16, a water stop plate standing guide portion is provided for guiding that the water stop plate 310 is erected at the entrance / exit 6 in an emergency, and the water stop plate 310 stands at the entrance / exit 6. It is also a water stop plate standing state maintaining means for maintaining the installed state.

  As shown in FIGS. 18 and 21, the left and right frame members 316 having an L-shaped horizontal cross section extend in the extending direction of the side wall 3, and the outer side surface 3 </ b> H of the side wall 3 (see FIG. 18). And a second extension portion extending in the thickness direction of the side wall portion 3 from the end portion on the inlet / outlet 6 side of both end portions in the width direction of the first extension portion 316B. 21, of both widthwise end portions 310 </ b> C and 310 </ b> D of the water stop plate 310 inserted in the space 316 </ b> A inserted by the frame-shaped member 316 and the front surface portion 3 </ b> C of the side wall portion 3, as shown in FIG. 21. The portion on the surface portion 310A side is in pressure contact with the inner side surface portion of the second extending portion 316C, so that the state where the water stop plate 310 is erected at the entrance / exit 6 is maintained.

  Note that the work of standing the water stop plate 310 at the entrance / exit 6 in the present embodiment is also moved from the back side upper part 3B of the left and right side walls 3 as shown in FIG. 18 as in the first embodiment. When more than half of the stopped water plate 310 passes the position of the entrance / exit 6, the water stop plate 310 is detached from the left and right frame members 315 while preferably supporting the water stop plate 310 by a plurality of workers. Then, the water stop plate 310 is placed in a vertical state in which the bottom surface portion 310J (see FIG. 20) of the water stop plate 310 is landed on the sidewalk 1, and then the water stop plate 310 is lifted to form a frame-shaped member. The work of inserting into a space 316A (see FIG. 21) surrounded by 316 and the front surface portion 3C of the side wall portion 3 is performed.

  22 and 23 are views showing a water stop device according to a fifth embodiment which is a first modification of the first embodiment described above.

  In the present embodiment, as in the first to fourth embodiments described above, in order to guide the front surface portion 3C of the left and right side wall portions 3 to erect the water stop plate at the doorway 6 in an emergency. The frame-shaped member that is also a waterstop plate standing state maintaining means for maintaining the state where the waterstop plate is erected at the entrance / exit 6 is erected. Absent.

  As shown in FIG. 22, which is a plan view of the entrance / exit 6 and the water stop plate 10 before standing at the entrance / exit 6, in this embodiment, the watertight member 414 arranged on the water stop plate 10 is As in the case of the watertight member 14 described above, the base portion 414A and the left and right extending portions 414B are formed, and the horizontal cross-sectional shape is substantially T-shaped on the surfaces of the left and right extending portions 414B. The convex portion (projecting portion) 414C is provided (formed) over the entire length of the extending portion 414B (in other words, the vertical direction). On the other hand, the front surface portion 3C of the left and right side wall portions 3 is provided with a concave portion 3F into which the convex portions 414C provided on the left and right extending portions 414B of the watertight member 414 can be fitted. Is provided (formed) over the entire length direction (in other words, the vertical direction).

  In this embodiment, the work of standing the water stop plate 10 at the entrance / exit 6 is performed by lifting the water stop plate 10 to the height of the upper surface portion 3A of the left and right side wall portions 3 and then extending the left and right extending portions 414B of the watertight member 414. The bottom surface portion 10J of the water stop plate 10 is the sidewalk 1 while the lower end of the convex portion 414C is inserted and fitted into the upper end of the recess portion 3F of the front surface portion 3C of the left and right side wall portions 3 while being fitted. Do until you land.

  FIG. 23 is a plan view of the entrance / exit 6 where the water blocking plate 10 is erected. As can be seen from FIG. 23, the water blocking plate 10 has a convex portion 414 </ b> C provided on the left and right extending portions 414 </ b> B of the watertight member 414 disposed on the water blocking plate 10. Since it fits in the recessed part 3F provided in 3C, the state by which the water stop plate 10 stood at the entrance / exit 6 is maintained.

  For this reason, in this embodiment, the convex part 414C provided in the right-and-left extension part 414B of the watertight member 414 arrange | positioned at the water stop board 10, and the recessed part 3F provided in the front surface part 3C of the right-and-left side wall part 3 are provided. Thus, in an emergency, water stop plate standing state maintaining means for maintaining the state where the water stop plate 10 is set up at the entrance / exit 6 is configured. Moreover, the recessed part 3F provided in the front surface part 3C of the left and right side wall parts 3 serves as a water stop plate standing guide part for guiding the water stop plate 10 to be erected at the doorway 6 in an emergency. Yes.

  Thus, in this embodiment, since the frame-like member erected on the front surface portion 3C of the left and right side wall portions 3 as in the first to fourth embodiments described above is not necessary, the components of the water stop device The number of points can be reduced, and the structure of the water stop device can be simplified.

  When the convex portions 414C of the left and right extending portions 414B of the watertight member 414 are formed of a soft material, the work of standing the waterstop plate 10 at the entrance / exit 6 lifts the waterstop plate 10 as described above. There is no need. That is, the standing of the water stop plate 10 at the entrance / exit 6 allows the water stop plate 10 placed vertically to approach the front surface portion 3C of the left and right side wall portions 3 by parallel movement, and the left and right extending portions 414B of the watertight member 414. This convex portion 414C can be pushed into the concave portion 3F of the front surface portion 3C of the left and right side wall portions 3 and fitted.

  FIG. 24 is a view showing the water stop device according to the sixth embodiment which is the second modification of the first embodiment described above, and is a plan view of the entrance / exit 6 where the water stop plate 10 is erected. .

  Similar to the fifth embodiment described above, in the present embodiment, as in the first to fourth embodiments described above, a water stop plate is provided on the front surface portion 3C of the left and right side wall portions 3 in an emergency. The waterstop plate standing state maintaining means for maintaining the state where the waterstop plate is erected at the entrance / exit 6 while being a waterstop plate standing guide portion for guiding the standing at the entrance / exit 6 Also, the frame-like member is not erected.

  As shown in FIG. 24, in the present embodiment, magnets 520 are disposed inside the left and right extending portions 14 </ b> B of the watertight member 14 disposed on the water blocking plate 10, and the front surfaces of the left and right side wall portions 3. The portion 3C is made of a magnetic material. For this reason, the left and right extending portions 14B of the watertight member 14 can be attracted to the front surface portion 3C of the left and right side wall portions 3 by the magnetic force of the internal magnet 520, whereby the water stop plate 10 is erected at the entrance / exit 6 Can be maintained.

  For this reason, in this embodiment, the front part formed with the magnet 520 arrange | positioned inside the right-and-left extension part 414B of the watertight member 414 arrange | positioned at the water stop board 10, and the magnetic body of the right-and-left side wall part 3. 3C constitutes a water stop plate standing state maintaining means for maintaining the state in which the water stop plate 10 is erected at the entrance / exit 6 in an emergency.

  For this reason, the work of standing the water stop plate 10 at the entrance / exit 6 does not require lifting the water stop plate 10 as in the first to fifth embodiments described above. That is, the standing of the water stop plate 10 at the entrance / exit 6 allows the water stop plate 10 placed vertically to approach the front surface portion 3C of the left and right side wall portions 3 by parallel movement, and the left and right extending portions 414B of the watertight member 414. This is possible by adsorbing the magnet 520 inside the front side 3C of the left and right side walls 3 to each other.

  As described above, also in the present embodiment, the frame-like member standing on the front surface portion 3C of the left and right side wall portions 3 as in the first to fourth embodiments described above becomes unnecessary. The number of parts can be reduced, and the structure of the water stop device can be simplified.

  The shape and structure of the magnet 520 disposed inside the left and right extending portions 14B of the watertight member 14 may be arbitrary, and the magnet 520 is, for example, in the length direction of the extending portion 14B of the watertight member 14. A rod-like magnet having a length of (in other words, a long magnet) may be used, and a plurality of small pieces of magnets (in other words, short magnets) are arranged in the length direction of the extending portion 14B. It may be a thing.

  In the present embodiment, the magnet 520 may also be disposed inside the base portion 14 </ b> A of the watertight member 14. In this case, the front surface portion 7B (see FIG. 9) of the uppermost step portion 7A of the staircase 7 that faces the base portion 14A of the watertight member 14 when the water stop plate 10 is erected at the entrance / exit 6 is made magnetic. Form with the body.

  FIG. 25 is a view showing a water stop device according to a seventh embodiment which is a third modification of the first embodiment described above, and a water stop plate 610 according to this embodiment is erected at the entrance / exit 6. It is a figure similar to FIG. 9 which shows time.

  Similar to the fifth and sixth embodiments described above, in this embodiment, the front surface portion 3C of the left and right side wall portions 3 is guided to guide the standing of the water stop plate at the doorway 6 in an emergency. The frame-shaped member that is also a waterstop plate standing state maintaining means for maintaining the state where the waterstop plate is erected at the entrance / exit 6 is erected. Absent.

  As can be seen from FIG. 25, in this embodiment, when the water stop plate 610 is erected at the entrance / exit 6, the water stop plate 610 is inclined forward toward the entrance / exit 6 and is disposed on the water stop plate 610. The base portion 614A of the watertight member 614 is in close contact with the front surface portion 7B of the uppermost end portion 7A of the staircase 7, and the left and right extending portions 614B of the watertight member 614 are in close contact with the front surface portion 3C of the left and right side wall portions 3. ing.

  Thereby, the frame-shaped member used as the water stop plate standing state maintenance means for maintaining the state in which the water stop plate 610 stood at the entrance / exit 6 becomes unnecessary.

  Hereinafter, the shape and structure of the water stop plate 610 and the watertight member 614 will be described. The water stop plate 610 and the watertight member 614 indicated by the two-dot chain line in FIG. 25 show a state before the forward tilt posture, and FIG. 26 shows the water stop plate 610 and the water tightness before the forward tilt posture. The enlarged view of the lower part of the member 614 is shown with the continuous line.

  As shown in FIG. 26, the bottom surface portion 610J of the water stop plate 610 is an inclined portion inclined upward by an angle θ, and the base portion 614A of the watertight member 614 arranged on the water stop plate 610 is formed. The bottom surface portion (lower surface portion) 614D is also an inclined portion inclined upward by an angle θ. For this reason, the bottom surface portion 610J of the water blocking plate 610 and the bottom surface portion 614D of the base portion 614A of the watertight member 614 are in a flush state and are inclined portions inclined as a whole by an angle θ.

  Further, as shown in FIG. 26, the surface portion 614C, which is the surface portion on the opposite side to the water stop plate 610 side, of the both surface portions in the thickness direction of the base portion 614A of the watertight member 614 is the entrance / exit 6 side. The surface portion 614E that is the surface portion on the opposite side of the water stop plate 610 side among the both-side portions in the thickness direction of the left and right extending portions 614B of the watertight member 614 The inclined portion is inclined at an angle θ toward the doorway 6 side. For this reason, the surface portion 614C of the base portion 614A of the watertight member 614 and the surface portion 614E of the left and right extending portions 614B are in a flush state and are inclined portions inclined as a whole by the angle θ toward the entrance / exit 6 side. .

  Accordingly, as described above, when the water stop plate 610 is erected at the entrance / exit 6, the water stop plate 610 is inclined forward toward the entrance / exit 6 (in other words, the left and right side wall portions 3), and the water stop plate 610. The base portion 614A of the watertight member 614 arranged in the contact with the front surface portion 7B of the uppermost end portion 7A of the staircase 7 and the left and right extension portions 614B of the watertight member 614 closely contact with the front surface portion 3C of the left and right side wall portions 3. Will do.

  Thus, in this embodiment, the water stop plate standing state maintaining means for maintaining the state in which the water stop plate 610 is erected at the entrance / exit 6 is the shape and structure of the water stop plate 610 and the watertight member 614 itself. It has become.

  As described above, also in the present embodiment, the frame-like member standing on the front surface portion 3C of the left and right side wall portions 3 as in the first to fourth embodiments described above becomes unnecessary. The number of parts can be reduced, and the structure of the water stop device can be simplified.

  FIG.27 and FIG.28 is a figure which shows the water stop apparatus which concerns on 9th Embodiment which is a modification of 3rd Embodiment mentioned above.

  Also in the present embodiment, as in the first to fourth embodiments described above, the front surface portion 3C of the left and right side wall portions 3 is guided to erect the water stop plate at the entrance / exit 6 in an emergency. And a frame-like member that also serves as a water stop plate standing state maintaining means for maintaining the water stop plate standing at the entrance 6. Not.

  FIG. 27 is a plan view of the entrance / exit 6 and the water stop plate 210 before being erected at the entrance / exit 6, and only the left and right side wall portions 3 are shown in a horizontal sectional view in FIG. 27. In the embodiment, the widthwise end portions 210 </ b> C and 210 </ b> D of the water stop plate 210 and the water stop plate 210 are disposed on the inner side surface portion in the vicinity of the end on the doorway 6 side of the left and right side wall portions 3. A recessed portion 3G having a length in the vertical direction in which the right and left extending portions 14B of the watertight member 14 can be inserted is formed from the upper surface portion 3A of the left and right side wall portions 3 to the height position of the uppermost step portion 7A of the staircase 7. The water stop plate 210 can be slidably inserted into the recess 3G.

  FIG. 28 is a diagram showing a plan view of the entrance / exit 6 where the water stop plate 210 is erected. As can be seen from FIG. 28, in the event of an emergency, the water stop plates 210 are lifted up to the height position of the upper surface portion 3A of the left and right side wall portions 3 and are disposed at both ends 210C and 210D in the width direction and the water stop plates 210. The left and right extending portions 14 </ b> B of the watertight member 14 are inserted into the recessed portions 3 </ b> G formed in the left and right side wall portions 3. Accordingly, the water stop plate 210 is supported by the inner side surfaces of the recessed portions 3G of the left and right side wall portions 3 and maintained in a state where it is erected at the entrance / exit 6.

  For this reason, in this embodiment, the recessed portions 3G of the left and right side wall portions 3 serve as water stop plate standing guide portions for guiding the water stop plate 210 to stand at the doorway 6 in an emergency. In addition, the water stop plate 210 also serves as a water stop plate standing state maintaining means for maintaining the state where the water stop plate 210 is standing at the entrance 6.

  As described above, also in the present embodiment, the frame-like member standing on the front surface portion 3C of the left and right side wall portions 3 as in the first to fourth embodiments described above becomes unnecessary. The number of parts can be reduced, and the structure of the water stop device can be simplified.

  In each of the embodiments described above, the standing work and the storing work of the water stop plate are manually performed by the operator's human power, but these work are automatically performed by the driving force of the driving device. It may be performed.

  In each of the embodiments described above, the height position of the uppermost step portion 7A of the staircase 7 is higher than the height position of the sidewalk 1, and has a step, however, according to each embodiment described above. When there are no steps, such as when the height of the top 7A of the staircase 7 is the same as the height of the sidewalk 1 or the slope is from the top 7A to the sidewalk 1 It can also be applied to.

  In each of the embodiments described above, two or more water stop plates having a smaller length in the direction of the arrow Y (see FIGS. 2 and 7) than the illustrated one are stored and installed in a series. Also good. That is, when the water stop plate is of a type that can be divided into upper and lower parts and stored and installed, the water stop plate is divided into two or more pieces, and the two or more water stop plates are the length of the water stop plate. They may be stored and installed side by side in the direction.

  In addition, the water stop plate of each embodiment described above may be one in which the dimension in the arrow Y direction is smaller than the height of the side wall (for example, one having a water stop height of about below the knee (about 30 cm)). . In this case, after standing the water stop plate, another water stop plate (not shown) brought from another storage location (thickness and width dimensions similar to the water stop plate (arrow X direction (FIG. 2 and Those having dimensions (refer to FIG. 7) may be added in a stacked manner. In other words, the water stop plate may be of a type that can be divided into upper and lower parts, and only one or two water stop plates for urgent installation may be stored on the rear wall side on the left and right side wall portions.

  In each of the embodiments described above, the water stop plate housed in the upper part on the far side of the left and right side wall portions is a locking means for preventing movement due to wind, vibration, earthquake, mischief, collision, etc. Water plate movement prevention means) may be provided. For example, the locking means can be attached to the left and right side walls and the rear wall with metal fittings, wires, dial locks, etc., and the guide unit can be a roller wheel stopper or a latch as required. It is provided so that it can be released.

  In addition, you may make it add the water-tight member of each embodiment demonstrated above to the part which produces a clearance gap according to the required water stop performance, or may be omitted conversely.

  INDUSTRIAL APPLICABILITY The present invention can be used for, for example, a water stop device installed at an entrance to a subway, an entrance to an underground parking lot, an entrance to a basement of a building or the like.

DESCRIPTION OF SYMBOLS 1 Sidewalk which is the ground 2 Wall 3 Left and right side wall part 3B Back side upper part of left and right side wall part 3C Front part of left and right side wall part formed with magnetic body constituting standing structure maintaining means Steps on the upper surface portion of the left and right side wall portions that form a guide portion for movably guiding the guide 3F Recessed portion formed on the front surface portion of the left and right side wall portions that form the standing guide portion for the water stop plate 3G Water stop plate Recessed portion formed on the inner side surface portion of the left and right side wall portions that form a standing guide portion and also serve as a water blocking plate standing state maintaining means 5 Opening portion 6 Entrance / exit 10, 110, 210, 310, 610 Plates 10B, 110B, 210B, 610B Back surface portion 10C, 10D, width direction of water blocking plate, which is one surface portion of both sides in thickness direction of water blocking plate placed on the upper side of left and right side wall portions End portion 11 Roller that is a rolling member 13 Grip portion 14, 314 414, 614 Water-tight member 15, 115, 315 A frame-like member that forms a guide part for guiding the water stop plate movably 16, 116, 216, 316 A water stop plate standing guide part is formed, and the water stop plate A frame-like member 310A that also serves as a standing state maintaining means A surface portion 414C that is one surface portion of both sides in the thickness direction of the water stop plate placed on the back side upper portion of the left and right side wall portions 414C Protrusions provided at the left and right extending portions of the watertight member constituting the plate standing state maintaining means 520 Magnets disposed at the left and right extending portions of the watertight member constituting the waterstop plate standing state maintaining means

Claims (11)

An opening that opens in the vertical direction is formed by a wall that is formed on the ground and is U-shaped in plan view, and a portion of the opening where the wall is not provided is an underground facility. In an emergency, a water stop device provided with a water stop plate standing in the vicinity of the doorway or in the vicinity thereof and preventing water from entering the underground facility from the doorway,
The water stop plate is arranged in the upper part on the back side of the left and right side walls extending from the left and right sides of the entrance to the opposite side of the entrance in the normal state. A water stop device.   2. The water stop device according to claim 1, wherein the water stop plate is, at the normal time, one surface portion of the both surface portions in the thickness direction of the water stop plate is the upper portion on the back side of the left and right side wall portions. A water stop device, characterized in that it is placed in a horizontal state.   The water stop device according to claim 1 or 2, wherein the water stop plate is movable with respect to the left and right side wall portions.   The water stop device according to claim 3, wherein a guide portion for movably guiding the water stop plate is provided on the left and right side wall portions over the entire length or substantially the entire length of the left and right side wall portions. The water stop device characterized by being provided.   5. The water stop device according to claim 4, wherein rolling members that roll at the guide portion when the water stop plate moves are disposed at both ends in the width direction of the water stop plate. A water stop device.   The water stop device according to any one of claims 1 to 5, wherein at least one of the two surface portions in the thickness direction of the water stop plate is erected at or near the entrance / exit in the emergency. A water stop device, wherein a watertight member for closing a gap between the water stop plate and the left and right side wall portions is disposed.   The water stop device according to claim 6, wherein the watertight member is disposed at least on the left and right edges of the one surface portion of the water stop plate in a standing state or in the vicinity thereof. Water stop device.   The water stop device according to any one of claims 1 to 7, wherein the water stop plate standing state maintaining means for maintaining the state where the water stop plate is erected at or near the entrance / exit in the emergency. A water stop device, comprising:   9. The water stop device according to claim 8, wherein the water stop plate standing state maintaining means is a recess provided in one of the left and right side walls and the water stop plate over the entire length in the vertical direction. And a convex portion that is provided on the other side over the entire length in the vertical direction and that can be fitted into the concave portion.   The water stop device according to claim 8, wherein the left and right side wall portions are provided with a water stop plate standing guide for guiding the water stop plate to stand at or near the entrance / exit in the emergency. The water stop device is characterized in that the water stop plate standing guide portion also serves as the water stop plate standing state maintaining means.   The water stop device according to any one of claims 1 to 10, wherein a grip portion is provided on the water stop plate.

Images