JP4273405B2 - Waterproof door device - Google Patents

Description

  The present invention relates to a waterproof door device that prevents the inflow of water by closing a passage portion of a building, a parking lot, an underground mall, or the like in the case of heavy rain or flood.

Conventionally, as this type of waterproof door device, those described in Patent Documents 1 to 4 have been proposed. Patent Document 1 discloses an auxiliary door and an auxiliary lid that pivotally attaches a base portion of a waterproof door to an end portion of a housing recess body so that the base can be turned up and down, and closes a gap between the housing recess body and a base portion of the waterproof door. When the door body is moved from the tilted position to the standing position, the auxiliary door and the auxiliary lid are pushed up.
In the device described in Patent Document 2, the guide pin at the top of the fixed side plate is inserted into the bent guide groove of the movable side plate of the waterproof door, and the lower portion of the fixed side plate and the upper portion of the movable side plate are connected by a link. The hinge door is pivoted so that the base of the waterproof door can be raised and lowered with the hinge, and when the waterproof door stands up, the waterproof door is moved to the tip side and then moved to the waterproof door base. Thus, interference between the housing recess and the waterproof door is prevented.

  Patent Document 3 discloses a hinge device in which a guide rod of a movable base provided in a waterproof door is engaged with a guide hole provided in a fixed base and a lower portion of the fixed base and an upper portion of the movable base are connected by a link. The hinge device pivotally supports the base side of the waterproof door, and when the waterproof door stands, the waterproof door moves to the waterproof door base side and then moves to the waterproof door base side. The one described in Patent Document 4 includes a pivot support mechanism having a pivot link in which one end is pivotally attached to the protrusion of the waterproof door and the other end is pivotally attached to the housing recess, and the pivot support mechanism. The waterproof door is pivotally attached, and when the waterproof door is erected, the waterproof door is moved away from the storage recess body side wall and then brought close to the storage recess body side wall. Patent Document 5 describes a waterproof door pivotally supported by a link plate on a housing recess body so as to be swingable, and when the waterproof door stands up, the waterproof door is moved rearward and then moved forward, It is designed to prevent interference from the waterproof door.

JP 7-269242 A Japanese Examined Patent Publication No. 7-11210 Japanese Patent Laid-Open No. 10-18678 JP-A-11-256913 JP 2001-254563 A

The thing of patent document 1 provides a suitable clearance gap between the base part of a waterproof door, and the side wall of an accommodation recessed part, provides the auxiliary door and auxiliary lid which close the gap, and a waterproof door and an accommodation recessed part at the time of standing up of a waterproof door However, when the waterproof door stands up and the height of the waterproof door becomes higher than about 1 m, it is difficult for a person to get over the waterproof door, and the waterproof door is waterproofed. There is a problem that the inside person cannot pass through the waterproof door position to get home or evacuate to a safer place, and the outside person who is waterproofed by the waterproof door cannot evacuate inside the waterproof door is there.
Further, in each of Patent Documents 2 to 5, the waterproof door is temporarily moved rearward when the waterproof door stands by a hinge or a hinge device that pivotally supports the waterproof door and the storage recess, and the waterproof and the storage recess are waterproof. Although it is designed to prevent door interference, as in the case of Patent Document 1, when the waterproof door stands up and the height of the waterproof door becomes higher than, for example, about 1 m, a person gets over the waterproof door. The inside person who is waterproofed by the waterproof door cannot pass through the waterproof door position to get home or evacuate to a safer place, and the outside person who is waterproofed by the waterproof door is waterproof There is a problem that it is not possible to evacuate inside the door.
The problem to be solved by the present invention is that when the waterproof door is standing, even if the height of the waterproof door is, for example, about 1 m or more, a person can easily get over the waterproof door using a footrest member. An object of the present invention is to provide a waterproof door device in which the footrest member can be stored below the waterproof door and the upper surface of the waterproof door can be used safely when the door is in the lateral direction.

In order to solve the above-mentioned problem, the invention of claim 1 of the present application is to provide a waterproof door device that can easily and safely get over a standing waterproof door. A storage recess is provided on the lower surface of the passage section where water can enter, and a waterproof door in a tilted position in a sideways state that covers the opening of the recess is provided in the storage recess so as to be able to stand upright in a vertical position. In a waterproof door device designed to prevent water intrusion from the passage section, a waterproof door is provided by storing a plurality of bending prevention ribs vertically and horizontally at predetermined intervals on the lower surface of the flat waterproof plate. A support wall that supports each rib in the sideways state of the waterproof door is provided in the recess, and leg members positioned at the middle of the door height are respectively provided on both sides of the waterproof door in the standing state of the waterproof door so that the waterproof door stands upright. A person puts his foot on the footrest Only to allow over the waterproof door, characterized in that the can be stored in member housing recess formed with leg rest member supporting the wall of the housing recess in the horizontal state of the waterproof doors.
According to a second aspect of the present invention, in the first aspect of the invention, the footrest member according to the first aspect of the present invention is provided with a footrest member formed by fixing a foot board on the tip side of the pair of support arms on the back side of the waterproof door which is the lower side in the lateral state of the waterproof door Pivotally pivoted between the state along the back surface and the state protruding from the back surface of the waterproof door, and a footboard is fixed to the front side of the pair of support arms on the front side of the waterproof door, which is the upper side in the lateral state of the waterproof door. At the lower end of the fixture that hooks and fixes the footrest member that is standing on the upper end of the waterproof door in the standing state, the pivot is pivotally attached to the state along the surface of the waterproof door and the state protruding from the surface of the waterproof door and, characterized in that provided to be housed the leg rest member and fixture member housing recess formed in the support wall of the housing recess in the horizontal state of the waterproof doors.

According to a third aspect of the present invention, in the first or second aspect of the present invention, in the vicinity of the position where the footrest member is provided, the waterproof door is provided with a detachable handle member that rises upward, and the handle member is accommodated in the sideways state of the waterproof door. It is provided so as to be housed in a member housing recess formed in the support wall of the recess .
According to a fourth aspect of the present invention, in the first aspect, in the standing state of the waterproof door, the leg feet fixed by standing on the waterproof door on both sides of the waterproof door are connected by a plurality of leg bars that can be separated by insertion and removal. A footrest member is constituted by the extendable ladder, and the footrest member is provided so as to be housed in a member housing recess formed in a support wall of the housing recess in a lateral state of the waterproof door.

In the invention of claim 1 of the present application, a plurality of bending prevention ribs are fixed vertically and horizontally at predetermined intervals on the lower surface of the flat waterproof plate, respectively, and a waterproof door is provided. Support walls that support the ribs are provided, and when the waterproof door is in the standing state, leg members positioned at the middle of the door height are projected on both sides of the waterproof door, so that the person can put their feet on the leg member in the standing state of the waterproof door. It is possible to get over the waterproof door, and the footrest member can be stored in the member storage recess formed on the support wall of the storage recess in the lateral state of the waterproof door, so that the height of the waterproof door can be increased with the waterproof door standing upright. For example, even if it is higher than about 1 m, a person can easily and safely get over the waterproof door and evacuate quickly by putting his / her feet on the footrest members provided on both sides of the waterproof door. The footrest member of the waterproof door Sure that you received in the receiving recess of the square can prevent the dissipation, moreover, people such as the top of the waterproof door and there is a safe passage can be effectively.
According to the second aspect of the present invention, there is provided a state in which a footrest member formed by fixing a foot board to the tip side of the pair of support arms on the back side of the waterproof door which is the lower side in the lateral state of the waterproof door is along the back surface of the waterproof door and the waterproof door The footrest member, which is pivotably pivoted to the state of projecting from the back surface of the waterproof door, is a standing state in which a foot plate is fixed to the front side of the pair of support arms on the front side of the waterproof door which is the upper side in the lateral state of the waterproof door of the lower end portion of the fitting hooked fixed to the upper portion of the waterproof door, pivotally attached to be rotatable from the surface state and the waterproof door along the surface of the waterproof door and state overhangs, the leg rest member and the mounting Since the device is storable in the member storage recess formed on the support wall of the storage recess in the sideways state of the waterproof door, even if the depth of the storage recess is reduced and the device is downsized, the extension amount of the footrest member can be reduced. It can be enlarged, and you can safely put your feet on the footrests on both sides of the waterproof door Bets can be, moreover, in the horizontally oriented state of the waterproof door, it is possible to eliminate the foot hold member from the upper surface of the waterproof doors, there is a safety can be ensured effects of traffic with the upper surface of the waterproof doors can maintain aesthetic and flat.

In the invention of claim 3, a handle member that rises upward is provided on the waterproof door in the vicinity of the position where the footrest member is provided, and the handle member is a member formed on the support wall of the storage recess in the lateral state of the waterproof door. since provided to be housed in the housing recess, in an upright state of the waterproof door, it can be overcome if a person climbs over the waterproof door over the foot to the leg rest member, easily and safely waterproof door with the handle member .
In the invention of claim 4 , by the extendable ladder constructed by connecting the leg feet which are respectively stood and fixed to the waterproof door on both sides of the waterproof door in the standing state of the waterproof door by a plurality of leg bars separable by insertion and removal . Since the footrest members are configured so that they can be stored in the member storage recesses formed on the support walls of the storage recesses in the sideways state of the waterproof door, the waterproof doors are stored in the storage recesses in the standing state. If the ladder is extended and installed on both sides of the waterproof door, people can easily get over the waterproof door using the ladder, and when the waterproof door is tilted, the ladder is reduced and the waterproof door It can be easily stored in the lower storage recess, prevents the ladder from being lost, and can be stored for a long time.

  A storage recess is provided on the lower surface of the passage that allows water to enter the underground space, etc., and a waterproof door in a lateral position that closes the recess opening is provided in the storage recess so as to be able to stand in a vertical position. To prevent water intrusion from the part. In the state where the waterproof door is erected, the footrest members located in the middle of the door height are projected on both sides of the waterproof door, respectively, and the waterproof door with the person standing on the footrest member in the standing state of the waterproof door Can be overcome. In the state where the waterproof door is stored sideways, the footrest member can be stored in the storage recess below the waterproof door. On the back side of the waterproof door, a footrest member is pivotally pivoted between a state along the back surface of the waterproof door and a state protruding from the back surface of the waterproof door, and the footrest member is attached to the waterproof door on the front side of the waterproof door. The footrest member is housed in the housing recess below the waterproof door when the waterproof door is in the lateral direction. A waterproof door has a large load on the waterproof door when a plurality of ribs for bending prevention are fixed vertically and horizontally on the lower surface of the flat waterproof plate at predetermined intervals, and a support wall that supports each rib is provided in the storage recess. It is preferable because the waterproof door can be prevented from bending when acting. Both footrest members may be provided so that at least a part thereof is accommodated in a space surrounded by vertical and horizontal ribs. The footrest member on the front side of the waterproof door can be easily attached to and detached from the waterproof door by providing it on the fixture that is hooked and fixed to the upper end of the waterproof door in the standing state so as to protrude from the surface of the waterproof door. . In the waterproof door, a handle member that rises upward is provided in the vicinity of the position where the footrest member is provided, and when the handle member is provided so as to be stored in a storage recess below the waterproof door in the lateral state of the waterproof door, It is preferable that the waterproof door can be safely climbed using.

A first embodiment will be described with reference to the drawings. The waterproof door apparatus 1 shown in FIGS. 1-9 is equipped with the storage recessed part 2 formed in the floor surface (lower surface) F of the entrance / exit passage parts, such as a building, a parking lot, and an underground mall. The storage recess 2 is a rectangular shallow recess having a width substantially equal to or greater than the width of the passage portion, and is made of concrete, a metal frame, or the like. An edge frame 2a is provided at the inner peripheral edge of the storage recess 2, and a support frame 2b is provided at a position for supporting a closing plate described later. The storage recess 2 may be constituted by a box-shaped storage recess that is embedded in a recess formed on the floor surface. A drain pipe (not shown) is connected to the storage recess 2 so that water that has entered the storage recess 2 is discharged from the drain pipe later.
On the floor surface (lower surface) F of the entrance / exit passage portion, waterproof column frames 5 rising upward are respectively installed in the vicinity of both end portions on one side (left side in FIG. 2) of the storage recess 2. A packing member 6 is attached to one side wall of the waterproof column frame 5 and the housing recess 2 so as to continue in a U-shape.

The storage recess 2 is provided with a waterproof door 8 that closes most of the recess opening in the horizontal state and three closing plates 9, 10, 11 that close other portions of the recess opening in the horizontal state. The waterproof door 8 can be pivoted upright via a pair of left and right pivot members 13 fixed to the bottom of the storage recess 2, and the base of the waterproof door 8 is temporarily attached when the waterproof door 8 starts to stand up. Therefore, the waterproof door 8 is provided so that the edge of the housing recess 2 and the waterproof door 8 do not interfere with each other by being moved toward the tip of the waterproof door 8. For example, the pivot member 13 is constituted by a swing frame 16 having both ends fixed to the base frame 15 fixed to the bottom of the storage recess 2 and the base portion of the waterproof door 8, and the swing link. 16 is temporarily moved toward the distal end of the waterproof door 3 at the start of standing of the waterproof door 8 by using a rotating cam or the like provided on the rotary shaft 23 described later so that the housing recess 2 and the waterproof door 8 do not interfere with each other. . The waterproof door 8 is configured by fixing a plurality of bending-preventing ribs 8b and 8c to a lower surface of a flat waterproof plate 8a vertically and horizontally at predetermined intervals. The interval between the vertical ribs 8b is set to 60 cm, for example, and the interval between the horizontal ribs 8c is set to 40 cm, for example, but can be arbitrarily changed depending on the thickness and material of the waterproof plate 8a. The three closing plates 9, 10, and 11 are for inspecting, repairing, and manually operating the raising / lowering device 20 described later, and are pivotally attached to each other via a pivot member (not shown). Is locked so that it cannot be opened by mischief.
The pivot member 13 is composed of other hinge members described in Patent Documents 2 to 5 and the like, and the base of the waterproof door 8 is temporarily moved toward the distal end of the waterproof door 8 by using the rotation of the waterproof door 8. It may be made to move, or it is constituted by a fixed hinge described in Patent Document 1, and a gap that prevents interference between the edge on one side of the storage recess 2 and the base of the waterproof door 8 May be provided.

The waterproof door 8 is provided so as to be able to rise and fall in a tilted position (FIG. 3) in a horizontal state and a vertical position (FIG. 4) in a standing state by a tilting device 20 installed in the storage recess 2. The raising / lowering device 20 includes, for example, a rotating shaft 23 rotatably supported by a bearing 22 provided on a base frame 15 fixed to the bottom of the housing recess 2, and an electric motor 24 that rotates the rotating shaft 23 forward and backward. And two support arms 26 that are rotatably fitted to both ends of the rotary shaft 23, and a tip end portion of the support arm 26 that is rotatably provided via an intermediate shaft 27. A rotary arm 30 provided with a long hole 29 connected to the pin 28 at the tip of the waterproof door 8, a driven wheel 31 fixed to the rotary arm 30 concentrically with the intermediate shaft 27, and a drive fixed to the rotary shaft 23. The wheel 32, the driven wheel 31, and the endless chain 33 suspended around the drive wheel 32, are rotated via the endless chain 33 and the driven wheel 31 when the drive wheel 32 is rotated by the normal rotation of the rotating shaft 23. arm 0, the tip of the waterproof door 3 is swung upward by the tip of the rotary arm 30, the support arm 26 is pulled up, and the tip of the waterproof door 8 is moved downward by the reverse rotation of the rotary shaft 23. It is designed to swing.
In addition, a pair of urging devices 34 that urge the spring force in the direction to erect the waterproof door 8 are installed at the bottom of the housing recess 2, and the initial force for erecting the waterproof door 8 by the elevating device 20 is small. It has been done so. In addition, the raising / lowering device 20 may be configured by an actuator using an actuator whose screw shaft expands and contracts by an electric motor, a cylinder operated by an air pressure source, or a bag expanded by a gas body. Alternatively, the electric motor 24 may be omitted, and the rotating shaft 23 may be rotated forward and backward by a manual handle (not shown) fitted to the input shaft 35.
A support wall for supporting the ribs 8a and 8b of the waterproof door 8 leaving a minimum installation space 37 for installing the pivot member 13, the raising and lowering device 20 and the urging device 34 in the storage recess 2. 38 is provided by mortar.

Next, the waterproof door 8 is located on both sides of the waterproof door 8, the back side of the waterproof door 8 that is the lower side in the horizontal state of the waterproof door 8 and the front side of the waterproof door 8 that is the upper side in the horizontal state of the waterproof door 8. The footrest members 40 and 41 positioned in the middle portion of the door height are provided so as to be able to extend in the standing state of the door, and the person climbs over the footrest members 40 and 41 in the standing state of the waterproof door 8 and gets over the waterproof door 8 The footrest members 40 and 41 can be stored below the waterproof door 8 in a state where the waterproof door 8 is in the lateral direction.
That is, on the back side of the waterproof door 8, the support arm 43 of the footrest member 40 formed by fixing the foot plate 44 to the tip side of the pair of support arms 43 is along the back surface of the waterproof door 8 via the pivot support 45. And pivotally mounted in a state of extending substantially perpendicularly from the back surface of the waterproof door 8. The footrest member 40 fixes the pivot support 45 to the lower end portion of the space m surrounded by the vertical and horizontal ribs 8b, 8c on the back side of the waterproof door 8, and the width dimension of the footrest member 40 is approximately 60 cm or less. A part of the footrest member 40 in the thickness direction is accommodated in the space m by being provided within approximately 40 cm and rotating and folding the support arm 43 of the footrest member 40 along the back surface of the waterproof door 8. It has become. The portion where the footrest member 40 protrudes from the space m in the folded state is accommodated in the member accommodating recess 47 formed in the supporting wall 38 in the accommodating recess 2 so as not to interfere with the supporting wall 38.
The footrest member 40 in the folded state is locked at the center of the edge of the foot board 44 by a locking tool 48 provided on the back side of the waterproof door 8, so that the footrest member 40 is fixed to the back side of the waterproof door 8. It is supposed to be retained. The locking tool 48 is configured, for example, by loosely fitting a central hole of an elongated locking piece 48b to a screw shaft 48a fixed to the back side of the waterproof door 8, and screwing a wing nut 48c to the screw shaft 48a. While the stop piece 48b is locked to the foot plate 44, the wing nut 48c is manually tightened to press the lock piece 48b against the foot plate 44.

Next, a footrest member 41 is provided on the front side of the waterproof door 8 so as to be detachable from the waterproof door 8. The footrest member 41 is attached to the lower end portion of the fixture 50 that is hooked and fixed to the upper end portion of the standing waterproof door 8, along the surface of the waterproof door 8 via the pivotal support 52, and the surface of the waterproof door 8. It is pivotally attached to a state of projecting at a substantially right angle from. The fixture 50 is configured by combining a pair of support frames 54 whose upper end portions are integrally connected by a connection frame 53 and a pair of support frames 56 whose lower end portions are integrally connected by a connection frame 55 so as to be extendable and contractable. The pair of support frames 54 is provided with a hook portion 58 that can be locked to the upper end portion of the waterproof door 8, and the pair of support frames 54 is provided with a pair of guide pins 60 having a hook 59. ing. A fixing wing screw 61 is screwed to the collar portion 58. Guide long holes 62 are formed in the upper end portions of the pair of support frames 56, and these guide long holes 62 are fitted into the pair of guide pins 60 and are prevented from being removed by the flange 59. The pair of support frames 54 and the pair of support frames 56 can be expanded and contracted by 60. The support frame 54 and the support frame 56 are provided with bending prevention ribs 54a and 56a. Similarly to the footrest member 40, the footrest member 41 is configured by fixing a foot board 65 to the distal ends of the pair of support arms 64, and the base portions of the pair of support arms 64 pivot to the lower ends of the pair of support frames 56. It is pivotally attached to the folded state along the surface of the waterproof door 8 via the support member 52 and the use state of extending from the surface of the waterproof door 8 at a substantially right angle.
The footrest member 41 and the fixture 50 are provided in a contracted state with a width dimension within approximately 40 cm and a length dimension within approximately 60 cm, and are horizontally oriented in a space n surrounded by vertical and horizontal ribs 8 b and 8 c on the back side of the waterproof door 8. A part of the footrest member 41 in the thickness direction is stored in the space n in a folded state. The portion where the footrest member 41 protrudes from the space n in the folded state is accommodated in a member accommodating recess 68 formed in the support wall 38 so as not to interfere with the support wall 38 at the lateral position of the waterproof door.

In the folded footrest member 41, the connecting frames 53 and 55 of the fixture 50 are locked by a pair of locking tools 70 provided on the back side of the waterproof door 8, and the footrest member 41 is against the back side of the waterproof door 8. To be held fixed. In the same manner as the locking tool 48, the locking tool 70 loosely fits the central hole of the elongated locking piece 70b on the screw shaft 70a fixed to the back side of the waterproof door 8, and the wing nut 70c is screwed onto the screw shaft 70a. The wing nut 70c is manually tightened in a state where the locking piece 70b is locked to the connection frames 53, 55, and the locking piece 70b is pressed against the connection frames 53, 55.
The member storage recesses 47 and 68 can be omitted by reducing the bulkiness of the folded footrest members 40 and 41 or increasing the heights of the ribs 8b and 8c. Further, the footrest members 40 and 41 may be stored using another margin space of the storage recess 2.

  Further, the standing waterproof door 8 is detachably provided with a handle member 72 that rises upward from the upper end of the waterproof door 8 in the vicinity of the position where the footrest members 40 and 41 are provided. The handle member 72 has a fitting member 75 fixed to the lower end portion of a support column 74 having a horizontal handle 73 at the upper end portion, and the fitting member 75 can be fitted to the upper end portion of the waterproof door 8 in a standing state. A groove 76 a is provided, and a support portion 76 that extends laterally is provided. A butterfly bolt 77 is screwed into the bolt hole 76 a of the support portion 76, and can be locked to the rib 8 c of the waterproof door 8 at the tip of the butterfly bolt 77. The center portion of the elongated locking piece 78 is configured to be rotatably held. The grip member 72 engages the fitting groove 75a of the fitting member 75 with the upper end portion of the waterproof door 8 and fastens the butterfly bolt 77 after the locking piece 78 is locked to the rib 8c. It can fix to the upper end part of. The handle member 72 is provided so as to be housed in the housing recess 2 below the waterproof door 8 when the waterproof door 8 is in the lateral direction. For example, the length of the handle member 72 is approximately 40 cm or less and the lateral width is approximately 8 cm so that the handle member 72 can be stored in the space m surrounded by the ribs 8 b and 8 c on the back side of the waterproof door 8 storing the footrest member 40. The handle member 72 is detachably held by a locking member 80 made of a spring plate fixed to the back side of the waterproof door 8.

Next, the operation of the waterproof door device 1 configured as described above will be described. The waterproof door device 1 normally has the waterproof door 8 in a tilted position in a sideways state that closes the opening of the housing recess 2 (state shown in FIG. 3), and in this state, the upper surface of the waterproof door 8 is used as a passage surface. In this case, since the base of the waterproof door 8 is close to the opening edge of the storage recess 2 and closes the opening of the storage recess 2 with almost no gap, the upper surface of the waterproof door 8 can be used safely as a passage surface. Further, since the waterproof door 8 is supported by the support wall 38 provided in the storage recess 2, a plurality of vertical and horizontal ribs 8 b and 8 c fixed to the lower surface of the waterproof plate 8 a are supported. It is possible to prevent the waterproof plate 8a of the waterproof door 8 from being bent even when a heavy object such as an automobile passes through.
Next, when there is a risk of inundation from the entrance / exit of buildings, parking lots, underground malls, etc. due to heavy rain, tsunami, etc., the electric motor 24 of the tilting device 20 is activated to change the waterproof door 8 from the sideways state to the standing state. The base 8b of the waterproof door 8 is temporarily moved away from the opening edge to prevent interference with the opening edge in the initial stage of standing up, and the waterproof door 8 is attached to the packing 6 in the standing state. Water contact is prevented to prevent water from entering the passage.

  Next, in the standing state of the waterproof door 8, the wing nut 48 c of the locking tool 48 provided on the back side of the waterproof door 8 is directly loosened by hand to release the locking of the footrest member 40 by the locking piece 48 b, The footrest member 40 held in the folded state is turned to the overhanging state. Further, by directly loosening the wing nut 70c of the locking tool 70 provided on the back side of the waterproof door 8 manually, the locking of the footrest member 41 by the locking piece 70b is released, and the footrest member 41 held in the folded state is released. The fitting 50 is taken out from the space n, the collar portion 58 of the fitting 50 is locked to the upper end of the waterproof door 8, the support frame 54 and the support frame 56 of the fixture 50 are extended, and the footrest member 41 is Turn to the overhanging state. As a result, in the standing state (waterproofable state) of the waterproof door 8, the footrest members 40, 41 are held in a state of protruding substantially horizontally at the middle position of the door height on both sides of the waterproof door 8. Further, after fitting the fitting groove 75a of the handle member 72 to the upper end portion of the waterproof door 8, the butterfly bolt 77 is tightened to fix the locking piece 78 to the rib 8c, and the handle member 72 is fixed to the upper end portion of the waterproof door 8. To be fixedly installed.

  In this state, for example, when water is immersed in the left passage portion of the waterproof door 8 in FIGS. 4 and 9, the waterproof door 8 prevents water from entering the right side of the waterproof door 8. Many people can evacuate safely to buildings and parking lots. In this case, a person on the right side of the waterproof door 8 waterproofed by the waterproof door 8 gets over the waterproof door 8 and evacuates to the house, evacuates to another place, or remains on the left side of the flooded waterproof door 8. It is convenient that the person who has been able to get over the waterproof door 8 and evacuate to the right side of the waterproof door 8. In that case, in the waterproof door device 1, the footrest members 40, 41 are held on both sides of the standing waterproof door 8 so as to extend substantially horizontally, so that a person puts his / her feet on the footrest members 40, 41. Thus, the waterproof door 8 can be easily and safely overcome. Moreover, even if it is a woman and a girl, the waterproof door 8 can be climbed safely and easily by using the handle member 72 rising from the upper end of the waterproof door 8.

  Next, when the fear of flooding is resolved and the waterproof door 8 is brought into a normal lateral state, the footrest member 40 on the back side of the waterproof door 8 is turned into a folded state, The wing nut 48c is directly tightened manually to lock the locking piece 48b to the footrest member 40, and the footrest member 40 is held in a folded state. Further, the fixture 50 is removed from the upper end portion of the waterproof door 8 and the support frame 54 and the support frame 56 of the fixture 50 are contracted, and the footrest member 41 on the front side of the waterproof door 8 is rotated to be folded and folded. In a state where the member 41 and the fixture 50 are positioned in the space n on the back side of the waterproof door 8, the wing nut 70c of the latch 70 is directly tightened manually to latch the latch piece 70b to the fixture 50, The member 41 and the fixture 50 are held in a folded state. Further, the handle member 72 is removed from the upper end of the waterproof door 8 and is held by the locking tool 80 in the space n on the back side of the waterproof door 8. Thereafter, by rotating the waterproof door 8 to the tilted state in the lateral position, the footrest members 40 and 41 and the handle member 72 are stored in the storage space 2 below the waterproof door 8, and dissipation is prevented. Installation and storage of the footrest members 40 and 41 can be performed simply and quickly by operating the locking tool 48, the locking tool 70, etc. by hand.

Next, FIGS. 12 and 13 show different embodiments of the footrest member. The footrest members 40B and 41B are stood and fixed to the waterproof door 8 on both sides of the waterproof door 8 in the standing state of the waterproof door 8, respectively. It is configured by an extendable ladder 87. These footrest members 40 </ b> B and 41 </ b> B are provided in the storage recess 2 below the waterproof door 8 so that the footrest members 40 </ b> B and 41 </ b> B can be stored in the stored state. In this case, the ladder 87 is engaged with the upper end portion of the waterproof door 8 with the leg foot 89 extended, and the lower end portion is placed on the support wall 38 of the storage recess 2 or the floor surface F of the passage portion. To do. As a result, the ladder 87 can be disposed obliquely on both sides of the waterproof door 8, and the waterproof door 8 can be easily climbed by putting a foot on the tread 88 provided on the leg foot 89 of the ladder 87. The ladder 87 is configured by connecting leg legs 89 by a plurality of leg bars 89a that can be separated by inserting and removing, and when the waterproof door 8 is in the lateral direction, the leg bars 89a of the leg legs 89 can be separated and contracted shortly. It can be easily stored in the storage recess 2 in a shortened state. The footrest members 40B and 41B are integrally provided in the figure, but may be separately provided. Further, an integral ladder that does not contract may be used as long as it can be stored in the storage recess 2.

It is a top view of the waterproof door device of the present invention. It is a top view of the waterproof door apparatus which abbreviate | omits and shows the waterproof door of FIG. FIG. 3 is an enlarged cross-sectional view taken along line AA in which a part of FIG. 2 is omitted. It is sectional drawing which made the waterproof door of FIG. 3 the standing state. It is an enlarged view of the arrow B of FIG. FIG. 6 is an enlarged sectional view taken along the line CC of FIG. 5. It is a side view which shows the use condition of the footrest member provided in the front side of a waterproof door. It is a front view of the footrest member of FIG. It is sectional drawing which shows the use condition of the footrest member provided in the both sides of the waterproof door. It is sectional drawing which shows a handle member. It is a front view which shows a handle member. It is sectional drawing which shows embodiment from which a legrest member differs. It is sectional drawing which shows the accommodation state of the legrest member of FIG .

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Waterproof door apparatus 2 Storage recessed part 8 Waterproof door 8a Waterproof board 8b Rib 8c Rib 40 Footrest member 41 Footrest member n Space m Space 38 Support wall 50 Mounting tool 72 Handle member 85 Footrest 87 Ladder

Claims (4)

A storage recess is provided on the lower surface of the passage that allows water to enter the underground space, etc., and a waterproof door in a tilted position in a sideways direction that closes the recess opening is provided in the storage recess so that it can stand upright in a vertical position. In a waterproof door device in which water is prevented from entering from the passage portion by standing up and down , a plurality of ribs for preventing bending are fixed to the lower surface of the flat waterproof plate vertically and horizontally at predetermined intervals, respectively. A support wall that supports each rib in the sideways state of the waterproof door is provided in the storage recess, and leg members positioned at intermediate portions of the door height are provided on both sides of the waterproof door in the standing state of the waterproof door, respectively. A waterproof door that allows a person to step on the footrest member when the waterproof door is standing up and get over the waterproof door, and that the footrest member can be stored in the member storage recess formed in the support wall of the storage recess in the sideways state of the waterproof door apparatus. A state in which a footrest member formed by fixing a foot board on the tip side of a pair of support arms on the back side of the waterproof door which is the lower side in the state where the waterproof door is in the lateral direction extends along the back surface of the waterproof door and the state where it projects from the back surface of the waterproof door A footrest member is fixed to the upper end of the waterproof door in the standing state. the lower end of the fixture for fixing hooked, horizontally oriented state of pivotally attached rotatably from the surface state and the waterproof door along the surface of the waterproof door and state overhangs, the leg rest member and fitting waterproof door The waterproof door device according to claim 1, wherein the waterproof door device can be stored in a member storage recess formed in a support wall of the storage recess . In the vicinity of the position where the footrest member is provided, a handle member that rises upward is detachably provided on the waterproof door, and the handle member is provided so that it can be stored in the member storage recess formed on the support wall of the storage recess in the lateral direction of the waterproof door. The waterproof door device according to claim 1 or 2. In the standing state of the waterproof door, the leg members configured by the extendable ladder constructed by connecting the leg feet to be fixed by standing on the waterproof door on both sides of the waterproof door are connected by a plurality of leg bars that can be separated by inserting and removing them. waterproof door device according to claim 1, wherein the leg rest member is provided so as to be accommodated in the member housing recess formed in the support wall of the housing recess in the horizontal state of the waterproof doors.

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