JP2015086547A - Waterproof structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a new waterproof structure that allows a passerby to step over a water stop and continue walking, even when the water stop is in a standing state.SOLUTION: A new waterproof structure comprises: a water stop 1 that is rotated for operation around the fulcrum 1a positioned on the base end side throughout the process when the water stop rises from a lodged state; supporting plate parts 17 and 18 formed on the inner surface of the edge side of arm sections 31 and 32 on the left and right, respectively, which are formed on the left and right of the water stop 1, respectively, on the base end side and remain hanging while the water stop is in a lodged state; a tread board 21 located underneath the water stop while the water stop is in a lodged state, and are connected to the arm parts on the left and right of the water stop in a rotatable state, via a support shaft 47 on the left and right surfaces of the base end side; a placement piece 17 on which the tread board is placed while the water stop is in a lodged state; locking means 61 and 62 that keep the water stop in a standing state; and a concave part 10 that houses the water stop, arm parts on the left and right and others inside. Furthermore, by operating the water stop to rise from a lodging position and when it has been brought to a standing position, the upper surface of the tread board becomes aligned with the upper surface level of the water stop while it was in a lodged state.

Description

  The present invention relates to a waterproof structure for preventing inundation at the time of flooding, and a waterproof structure that is disposed at an entrance / exit of a building such as an entrance / exit of a building, an entrance / exit to a basement, and an entrance / exit to an underground parking lot.

  Conventionally, various waterproof structures have been proposed or implemented at entrances to buildings, entrances to underground, and the like in order to prevent rainwater accompanying a large amount of rainfall from entering the building. These waterproof structures are provided with a water stop plate (waterproof plate, water stop wall) that restricts the intrusion of rainwater into the building. The water stop plate is centered on the type that moves up and down and the shaft. Various types have been proposed, such as a rotating type. For example, the waterproof structure disclosed in Patent Document 1 is of a type in which a water stop plate positioned in a horizontal state rotates so as to stand up around a fulcrum by the buoyancy of water to be introduced. The waterproof structure disclosed in is a type in which a water stop plate in a lying state is erected by driving a motor.

JP 2012-62742 A JP 2004-353236 A

  However, in the waterproof structure disclosed in each of the above-mentioned patent documents, the upper part of the water stop plate in a normal state is a portion where customers, employees, or passers-by enters and exits in a normal state. The upper surface of the water stop plate is flush with the upper surface of the surrounding members of the water stop plate, but when the water stop plate is upright, When a recess having a depth of at least the thickness of the water plate is formed and the vehicle passes through the standing water stop plate, there is a high risk that a passerby may crawl or fit the recess or the step. In particular, in the structure in which the water stop plate is erected by using the driving force of a motor or the like, a deeper recess is formed to accommodate these motors and the like, resulting in an extremely dangerous state, and substantially the water stop plate A passer-by cannot be allowed to pass in

  Therefore, the present invention has been proposed to solve the problems of such a conventional waterproof structure, and not only can prevent rainwater from entering the interior of the building or the like by the water stop plate, It is an object of the present invention to provide a novel waterproof structure that allows a passer-by to pass across the water stop plate even when the water stop plate is upright.

  The present invention has been proposed in order to solve the above-mentioned problems. The first invention (the invention described in claim 1) is formed in a square shape and extends from a lying state to a standing state on the base end side. A water stop plate that is pivoted around a fulcrum that is positioned, and in this standing state, both sides of the water stop plate are in contact with left and right columns or wall surfaces arranged at the entrance of a store or subway or other building, and the water stop plate Left and right arm portions formed on the left and right sides of the base end side of the water stop plate, respectively, and the support plate portions formed on the inner sides of the distal ends of the left and right arm portions, respectively, In the lying state of the water stop plate, the foot plate is located below the water stop plate, and the left and right sides on the base end side are rotatably connected to the left and right arm parts via the support shafts; At least in the state of lodging of the waterstop A mounting piece on which the plate is mounted, a locking means for holding the water stop plate in an upright state, and a recess in which the water stop plate, the left and right arm portions, and the tread plate are housed. By raising the water stop plate in the state, the base end side of the foot plate gradually moves upward, and when the water stop plate is in the upright state, the water stop plate While being in the same position as the upper surface when in the lying state, the tread plate is supported by the load by the support piece.

  In the waterproof structure according to the first aspect of the present invention, when the water stop plate is erected, the upper surface of the foot plate is positioned at the position of the upper surface of the water stop plate that was in a lying state, The concave portion in which the water stop plate or the like is accommodated in the lying state is closed by the tread plate. Therefore, in the state where the water stop plate is erected and locked by the locking means, it is possible to effectively avoid the risk that a passerby who crosses the tread plate will crawl or be injured.

  That is, in the first invention, when the water stop plate is in a lying state, a passerby or the like is stepped on when passing the store or the subway entrance while stepping on the water stop plate. Then, when it is expected that rainwater will flow into the building due to torrential rain, etc., hold the tip side of the water stop plate so that the water stop plate in the lying state stands up, with the fulcrum as the center. Rotate (lift). Then, the left and right arms are also rotated at the same angle as the rotation angle of the water stop plate. Since the left and right arms hang down when the waterstop is in a lying state, the left and right arms gradually move upward. On the other hand, when the water stop plate is in a lying state, the tread plate is positioned below the tread plate, and the load is supported by the above-described mounting piece. As described above, when the water stop plate is operated upright and the left and right arms rotate, the tread plate is connected to the left and right arms via the support shaft, so that the base end side of the tread plate is upward. When the entire tread plate is raised while being supported by the support plate portions formed on the left and right arms, and the water stop plate is completely upright and locked by the locking means, the support plate is While being supported by the plate portion, the upper surface of the tread plate is set at the same position as the upper surface when the water stop plate is in a lying state (in a lying state). Therefore, a passerby who goes over the standing water stop plate can safely pass through the entrance of the building while stepping on the tread plate.

  In addition, since the said water stop board blocks | prevents that rainwater flows in into a building, the right and left both sides of this water stop board are the side surfaces of the right and left support | pillar and wall which were arrange | positioned at the entrance / exit of a building It is preferable to apply a sponge, a rubber plate or the like so that rainwater does not flow into the gap. Further, the floor member in which the water stop plate, the left and right arm portions, and the recess for accommodating the tread plate are formed is made of a metal such as concrete, stainless steel, or iron at least in the first aspect of the invention. It may be a thing, and the recessed part which can accommodate the water stop board etc. in the said lying state should just be formed. Alternatively, as will be described later, the plate that closes the tank disposed on the building side slightly from the water stop plate when the water stop plate is raised may be the floor member, and the recess is It may be a space formed in the tank (see the second invention). Further, the placing piece on which the tread plate is placed in the lying state of the water stop plate may be formed on the upper end of the standing piece that stands up from the bottom surface of the recess, or the left and right arm portions It may be a position that does not interfere with the movement trajectory and protrudes horizontally from the wall surface of the recess.

  According to a second invention (invention of claim 2), in the first invention, the tread has a plurality of through holes through which rainwater passes from above to below, and the base end of the water stop plate Is located inside the entrance of the building, and a water storage tank is formed below the inside of the entrance of the building. At least the inside of the entrance / exit of the formed opening is closed by the water stop plate when the water stop plate is in a lying state, and is blocked by the tread plate when the water stop plate is in an upright state, The recess for accommodating the water stop plate, the left and right arm portions, and the tread plate is a water storage space formed in the water storage tank.

  In the waterproof structure according to the second aspect of the present invention, a water storage tank is disposed below the inside of the entrance / exit of the building, and at least the inside of the entrance / exit of the opening formed in the water storage tank is in a lying state. If it is in the area, it is blocked by a water stop plate. That is, in a normal time when there is no risk that rainwater flows into the building from the entrance of the building, the building enters and exits while stepping on the water stop plate. On the other hand, when there is a risk that rainwater flows into the building from the entrance of the building due to concentrated heavy rain, etc., and the water stop plate is operated to stand up, the foot plate is replaced with the water stop plate. Close the water tank opening. The tread board is formed with a plurality of through holes that allow rainwater to pass from above to below, so that rainwater that has dripped from raindroppers or from rain gear such as umbrellas held by the passersby Then, it passes through the plurality of through holes and falls into the water storage tank.

  Therefore, according to the waterproof structure according to the second aspect of the present invention, even if rainwater flows into the inside of the building from the entrance of the building due to heavy rain, etc., it falls into the water storage tank. It is possible to prevent rainwater from entering the inside (the inside of the building and further inside the position where the footboard is disposed).

The third invention (the invention according to claim 3) is the above-mentioned second invention,
A drainage pump that discharges rainwater that has flowed into the water storage tank is disposed in the water storage tank, and a base end of a drainage pipe is connected to the drainage pump. It is characterized by being piped so as to be located outside the building.

  In the drainage structure according to the third aspect of the present invention, not only rain water dripped from raindrops or from rain equipment such as umbrellas possessed by the passers, but also when rainwater flows from the entrance of a building, for example. Even so, the rainwater in the water storage tank can be forcibly discharged to the outside of the building via the drainage pump and drainage pipe. Therefore, according to this 3rd invention, the inside of a building can be prevented from being flooded by rainwater.

  According to a fourth invention (invention of claim 4), in the second invention, the opening formed in the water storage tank is formed on the water stop plate or the foot plate and on the tip side of the water stop plate or the foot plate. It is blocked by the disposed blocking plate, and either the tip of the water stop plate and the tread plate or the end surface of the block plate has a lock member and the lock member on the end surface side of the block plate or the water stop plate or the tread plate. An elastic member that is biased so as to protrude toward the distal end side, and an unlocking operation portion that moves the lock member against the elastic force of the elastic member are disposed, and the end surface of the blocking plate or the water stop plate Alternatively, the front end surface of the tread plate is formed with an engagement hole into which the front end side of each of the lock members is inserted and engaged with the lock member.

  In the waterproof structure according to the fourth aspect of the invention, when the water stop plate is in a lying state, the water stop plate and the closing plate are locked by the lock member, and the water stop plate is in an upright state. In this case, the tread plate and the closing plate are locked by the lock member. Therefore, when the water stop plate is in a lying state or when the opening of the tank is blocked by a foot plate, the water stop plate or the front end side of the foot plate is inadvertently moved upward, and the building It is possible to effectively prevent the danger of a passerby passing through the entrance / exit of the doorway.

  In the waterproof structure according to the first invention (invention of claim 1), when the water stop plate is erected, the upper surface of the foot plate is positioned at the position of the upper surface of the water stop plate in a lying state. Therefore, the concave portion in which the water stop plate or the like is accommodated in the lying state is closed by the tread plate. Therefore, in the state where the water stop plate is erected and locked by the locking means, it is possible to effectively avoid the risk that a passerby who crosses the tread plate will crawl or be injured.

  Further, according to the waterproof structure of the second invention (the invention described in claim 2), even if rainwater flows into the building from the entrance of the building due to a heavy rain or the like, it enters the water storage tank. Since it falls, it becomes possible to prevent rainwater from entering the inside of the building (the inside of the building and further inside the position where the footboard is disposed).

  Further, in the waterproof structure according to the third invention (the invention described in claim 3), not only rain water dripped from rain-passed persons or rain gear such as umbrellas possessed by the passers-by, for example, architecture Even if rainwater flows in from the entrance of an object, the rainwater in the water storage tank can be forcibly discharged to the outside of the building via the drainage pump and drainage pipe. The inside of an object can be prevented from being flooded by rainwater.

  In the waterproof structure according to the fourth invention (invention of claim 4), when the water stop plate is in a lying state, the water stop plate and the closing plate are locked by the lock member, and When the water stop plate is standing, the tread plate and the closing plate are locked by the lock member. Therefore, when the water stop plate is in a lying state or the tread plate closes the opening of the tank. In such a case, the tip side of the water stop plate or the tread plate is inadvertently moved upward, and it is possible to effectively prevent a danger that a passerby who passes through the entrance / exit of the building travels.

It is a waterproof structure which concerns on embodiment of this invention, and is a top view which shows typically the state in which the water stop board stood up. It is a top view which expands and shows the structure of the standing water stop board vicinity shown in FIG. It is a front view which shows typically the state in which the water stop board stood up. It is a side view which shows typically the state in which the water stop board stood up. It is a side view which shows typically the state in which the water stop board laid down. FIG. 6 is a side view schematically showing a state after the water stop plate is rotated about 45 degrees from the state shown in FIG. 5. It is a side view which shows typically the state after raising a water stop board from the state shown in FIG. It is a disassembled perspective view which shows the supporting member which supports the rotating shaft of a water stop plate so that rotation is possible. It is a perspective view which shows typically the arrangement | positioning state of the water storage tank arrange | positioned in the shop, the left waterproof board, and the right waterproof board with the existing structure of a shop. It is a perspective view which shows typically the arrangement | positioning state of the water storage tank arrange | positioned in the shop, the left waterproof board, and the right waterproof board.

  Hereinafter, a waterproof structure according to the best mode for carrying out the present invention will be described in detail with reference to the drawings.

  The waterproof structure according to the first embodiment of the present invention is an application of the present invention to a store such as a convenience store. As shown in FIG. 1 schematically depicting this waterproof structure, The water stop board 1 which stood up inside the left-right automatic door D1, D2 arrange | positioned at the entrance / exit (inside of a shop) is provided. In this store, the left and right automatic doors D1 and D2 are close to each other and, as shown in FIG. 2, FIG. 3, or FIG. When the left and right doors are opened and the left automatic door D1 moves to the left, the left automatic door D1 is formed with a left fix F1 with the back facing the front (outside of the store) of the left automatic door D1. On the right side of D2, there is formed a right fix F2 whose left and right entrances are opened and the right automatic door D2 moves to the right side, and the back surface faces the front (outside of the store) of the right automatic door D2. . The left fix F1 is composed of one left column L1 and one right column L2 erected from the foundation, and a glass plate fixed between the one left column L1 and one right column L2 (not shown). ). Further, the right fix F2 is a glass plate (reference numeral omitted) between the other left strut R1 and the other right strut R2 standing up from the foundation and the other left strut R1 and the other right strut R2. ). The left waterproof support 2 is fixed to the back of the one left support L1 constituting the left fix F1 in a standing state from the floor of the store. One right prevention column 3 is fixed to the inside of the store from the movement range of the left automatic door D1 in a state of standing from the floor of the store. In addition, the other right waterproof column 4 is fixed to the back of the other right column R2 constituting the right fix F2 in a standing state from the floor of the store, and is behind the other left column R1 and the above The other left prevention column 5 is fixed to the inside of the store from the movement range of the right automatic door D2 while standing from the floor of the store.

  The heights of the one left waterproof column 2 and one right prevention column 3 and the other right waterproof column 4 and the other left prevention column 5 are the same as each other. The height position of the water blocking plate 1 in the standing state is slightly lower than the height positions of the one left waterproof column 2 and the one right prevention column 3. Yes. The one left waterproof column 2 and the other right waterproof column 4 are formed in a symmetrical shape as shown in an enlarged view in FIG. Fixed plate portions 2a and 4a fixed to the back surface of the right support column R2, opposed plate portions 2b and 4b which are bent in an L shape from the fixed plate portions 2a and 4a, respectively, and face each other, and the opposed plate portions 2b, 4b is formed of bent plate portions 2c, 4c that are bent in an L shape so as to approach each other, and each has a substantially crank shape. Further, the one right prevention column 3 and the other left prevention column 5 are formed in a symmetrical shape as shown in FIG. 1, and are opposed to the left fix F1 or the right fix F2. The plate portions 3a, 5a, the bent plate portions 3b, 5b bent in an L shape from the right end or the left end of the counter plate portions 3a, 5a to the inside of the store, and the left end of the counter plate portions 3a, 5a or A first intermediate bent plate portion 3c, 5c which is bent in an L shape from the right end to the inside of the store and faces the bent plate portion 3b, 5b, and the first intermediate bent plate portion 3c, 5c. Second bent plate portions 3d and 5d which are bent in an L shape in a direction away from each other and face the left fix F1 or the right fix F2, and the second bent plate portions 3d, From the side plate portions 3e and 5e which are bent in an L shape inside the store from the end of 5d and face each other It has been made.

  And the 1st intermediate | middle bending which comprises said one right prevention support | pillar 3 from the site | part formed in the L shape by the said opposing board part 2b and the bending board part 2c which comprise said one left waterproofing support | pillar 2 The left waterproof structure formed in a square shape using vinyl chloride as a material and facing the left fix F1 in a portion formed in an L shape by the plate portion 3c and the second bent plate portion 3d. A plate 6 is fixed, and the first left prevention strut 5 constituting the other left prevention strut 5 is formed from an L-shaped portion formed by the opposing plate portion 4b and the bent plate portion 4c constituting the other right waterproof strut 4. The intermediate bent plate portion 5c and the second bent plate portion 5d are formed in a L-shape at a portion formed into a square shape using vinyl chloride as a raw material and face-to-face with the right fix F2. The right waterproof board 7 is fixed. The left waterproof plate 6 is fixed and arranged for the purpose of preventing rainwater from entering the store from between the left automatic door D1 and the left fix F1. The waterproof plate 7 is fixed and arranged for the purpose of preventing rainwater from entering the store from between the right automatic door D2 and the right fix F2.

  In the waterproof structure according to this embodiment, a water storage tank 10 is arranged as shown in FIG. The water storage tank 10 is arranged below a floor plate of a store (not shown), and as shown in FIGS. 1 and 3, the entire shape is formed in a rectangular parallelepiped shape. A water storage space for storing rainwater is formed, and a rectangular opening is formed at the top. This water storage tank 10 is made of stainless steel, and as shown in FIG. 3, a bottom plate portion 10a formed into a square shape, a front side plate portion 10b formed on the front side, and this front side plate portion. As shown in FIG. 1, a rear side plate portion 10c facing the surface 10b, a left side plate portion 10d and a right side plate portion 10e, and the water storage space are partitioned, and the front side plate portion 10b is face-facing. 1 partition plate portion 10f and a second partition plate portion 10g that further partitions the inside of the first partition plate portion 10f. A drainage pump 12 is disposed in a space partitioned by the left side plate portion 10d and the first and second partition plate portions 10f and 10g.

  And the front side board part 10b which comprises the said water storage tank 10 is located slightly inside the store rather than the arrangement position of the said left and right automatic doors D1 and D2. As shown in FIG. 4, the water tank 10 is closed at the back side of the store by the first closing lid 13 with the first partition plate 10 f as a boundary, and a part of the store entrance / exit side is It is closed by a second closing lid 14 (a closing plate constituting the present invention). The first closing plate 13 is placed in the middle of the upper end side inside the back plate portion 10c, the left side plate portion 10d, the right side plate portion 10e and the first partition plate portion 10f constituting the water storage tank 10. A placement plate portion (reference numeral is omitted) to be placed is formed. In addition, a mounting plate portion (reference numeral is omitted) on which the second closing lid 14 is mounted is formed in the upper end side middle portion of the left side plate portion 10d and the right side plate portion 10e. The first and second closing lids 13 and 14 are both made of stainless steel, and are not particularly formed with openings. Further, the second closing lid 14 closes about half of the opening from the first partition plate 10f to the front side plate portion 10b, and the center of the front of the second closing lid 14 is used as a boundary. A first engagement recess 14a is formed on the left side, and a second engagement recess 14b is formed on the right side (see FIG. 1). The first engagement recess 14a and the second engagement recess 14b are engagement holes that constitute the present invention. Further, as shown in FIG. 1, the base end of the left mounting piece 17 is welded to the inner side surface of the left side plate portion 10d constituting the water storage tank 10, and the right side plate 10e is welded to the inner side surface of the right side plate portion 10e. The base end of the placing piece 18 is welded. The left placement piece 17 and the right placement piece 18 are support pieces constituting the present invention, and members on which a later-described stepping plate 21 is placed and supported when the waterstop plate 1 is brought into a lying state, respectively. And each is located in a horizontal state.

  And the space between the said 2nd obstruction | occlusion lid 14 and the front board part 10b which comprises the said water storage tank 10 is the above-mentioned water stop board 1 which comprises this invention, in a lying state, as shown in FIG. Is closed by the water stop plate 1 and, as shown in FIG. 7, the water stop plate 1 is closed by the tread plate 21 when the water stop plate 1 is standing. The water stop plate 1 is a plate body formed in a substantially rectangular shape, and its lower end (front end in the lying state) in a standing state is curved in an arc shape as shown in FIG. Rotating shafts 1a project from the lower end sides of the left and right end faces, and rings 1b are fixed to the tips of the (respective) rotating shafts 1a. Further, as shown in FIG. 4, on the inner side (left and right) of the upper end side of the front plate portion 10b constituting the water storage tank 10, (respectively) a rotation support that rotatably supports the rotation shaft 1a. The member 22 is fixed. The rotation support member 22 has a base plate 24 whose base end is welded to the inside of the front plate portion 10b of the water storage tank 10, and supports the base plate 24 from below, and has a base end on the front plate portion 10b. A support plate member 25 that is welded and formed into a triangular shape, a lower rotating support member 26 that is fixed to the upper surface of the pedestal plate 24 and has a semicircular groove portion 26a formed on the upper surface, and the lower portion An upper rotation support member 27 is provided which supports the rotation shaft 1a in cooperation with the rotation support member 26 and has a semicircular groove 27a formed on the lower surface. In addition, screw holes 26b and 26c each having a screw threaded on the inner periphery are formed on both sides of the upper surface of the lower rotation support member 26 with the groove 26a therebetween, and the upper rotation support member Bolt insertion holes 27b and 27c are formed on both sides of the lower surface of 27 and the groove 27a therebetween. The lower rotation support member 26 and the upper rotation support member 27 are fixed by bolts 28 and 29 that are inserted into the bolt insertion holes 27b and 27c and screwed into the screw holes 26b and 27c. Yes. Therefore, the water stop plate 1 is centered on the respective rotation shafts 1a supported by the respective rotation support members 22 (as fulcrums) from the lying state shown in FIG. 5 to the standing state shown in FIG. And can be rotated freely.

  Further, the water stop plate 1 is suspended from the left and right sides of the base end side when the water stop plate 1 is lying down, and the water stop plate 1 is in an upright state as shown in FIG. In this case, as shown in FIG. 4 or FIG. 7, the arm portions 31 and 32 that are in a horizontal state are formed on the left and right sides, respectively. Then, between the left arm portion 31 and the right arm portion 32, as shown in FIG. 1, when the water stop plate 1 is in an upright state, the opening of the water storage tank 10 is closed. A tread board 21 that is stepped on by a passerby who passes through the entrance / exit of the store across the water stop board 1 is disposed. As shown in FIG. 1, the tread plate 21 has a large number of elongated openings 21 a, and rainwater falls into the water storage tank 10 from the openings 21 a. That is, the tread plate 21 is configured by grating. Further, on the left side of the back surface of the tread plate 21 (the lower end surface in the case of hanging), a first lock member receiving recess (reference numeral is omitted) having an opening in the direction of the second closing lid 14. Is formed, and on the right side, a second lock member receiving recess (reference numeral is omitted) having an opening in the direction of the second closing lid 14 is formed.

  As shown in FIG. 5, the first lock member receiving recess includes a first lock member 34 whose front end is inserted into a recess 14 a formed on the front surface of the second closing lid 14. A first elastic member 35 that constantly urges the first lock member 34 in the direction of the recess 14a is accommodated. The distal end of the first advance / retreat shaft 36 is fixed to the proximal end of the first lock member 34, and the first elastic member 35 is disposed in the middle of the first advance / retreat shaft 36. ing. Further, in the second lock member housing recess, a second lock member (reference numeral is omitted) whose distal end side is inserted into a recess 14b formed in front of the second closing lid 14; A second elastic member (reference numeral is omitted) that urges the second lock member in the direction of the concave portion 14b is accommodated. And the front-end | tip of the 2nd advance / retreat axis | shaft (code | symbol is abbreviate | omitted) is fixed to the base end of the said 2nd lock member, and the said 2nd elastic member is located in the middle part of this 2nd advance / retreat axis | shaft. Is arranged. The first and second lock member receiving recesses are formed with insertion holes (reference numerals are omitted) through which the middle part of the first or second advance / retreat shaft 36 is inserted. In the middle of the second advance / retreat shaft 36 and outside the first or second lock member receiving recess, the first or second advance / retreat shaft 36 is formed in the first or second lock member receiving recess. A restricting portion 36a that restricts movement of a predetermined length or more is formed. As shown in FIG. 1, a second lock release lever 40 is disposed at the center of the tread plate 21. The second unlocking lever is an unlocking operation unit constituting the present invention, and is disposed in the central recess 39 shown in FIG. 5, and the upper surface is located slightly below the upper surface of the tread plate 21. In this case, the operator 40a has a release / feed operation and an inclined portion 40b extending obliquely downward from the tip of the operation portion 40a. The second unlocking lever has a rotating shaft (reference numeral omitted) between the operating portion 40a and the inclined portion 40b. The left and right ends of the rotating shaft are located at the center. The second lock release lever is supported by the tread plate 21 forming the recess 39 so as to be able to rotate. Further, the base ends of the connecting shafts 44, 44 are connected to the left and right sides of the tip of the inclined portion 40b constituting the second lock release lever, and the tips of the connecting shafts 44, 44 are connected to the first end. Alternatively, the second advancing / retreating shaft 36 is rotatably connected via a rotation shaft (reference numeral is omitted) in the middle portion on the proximal end side. That is, in the waterproof structure according to this embodiment, the connecting shaft is operated by rotating the tip of the operation portion 40a constituting the second unlocking lever so that the tip side is positioned above the upper surface of the tread plate 21. 44 and 44 move, and thereby, the first and second lock members 34 are moved from the inside of the recesses 14a and 14b against the elastic force of the elastic members 35. . In addition, when the front end surfaces of the first and second lock members 34 are moved from below the second closing lid 14 by an operation described later, they are slidably contacted below the end surface of the closing lid 14. It is formed in an arc shape so as to automatically retract into the first or second lock member receiving recess against the elastic force of the elastic member 35.

  Then, on both the left and right sides of the tread plate 21 thus configured, a rotation shaft 47 as a support shaft constituting the present invention is formed, and the left and right arm portions 31 and 32 are interposed via these rotation shafts 47. It is connected so that it can rotate freely inside. That is, when the water stop plate 1 is in a lying state, as shown in FIG. 5, the base end side of the tread plate 21 is connected to the base ends of the left and right arm portions 31 and 32 via the rotation shaft 47. It is supported by the middle part on the side, and the middle part on the front end side of the tread plate 21 is supported by the left placing piece 17 and the right placing piece 18 fixed to the water storage tank 10.

  Further, when the water blocking plate 1 is in a lying state, a central concave portion 51 is formed on the upper surface thereof as shown in FIG. 5, and the central concave portion 51 has the same configuration as the second unlocking lever. The first lock release lever 52 is disposed, and on the left side of the water blocking plate 1 is a first lock member housing recess (reference numeral is omitted) having an opening in the direction of the second closing lid 14. On the right side, a second lock member housing recess (reference numeral is omitted) having an opening in the direction of the second closing lid 14 is formed.

  Then, in the first lock member housing recess, as shown in FIG. 5, a first lock member 53 whose front end is inserted into a recess 14a formed in front of the second closing lid 14 and A first elastic member 54 that constantly urges the first lock member 53 in the direction of the recess 14a is accommodated. The distal end of the first advance / retreat shaft 55 is fixed to the proximal end of the first lock member 53, and the first elastic member 54 is disposed in the middle of the first advance / retreat shaft 55. ing. Further, in the second lock member housing recess, a second lock member (reference numeral is omitted) whose distal end side is inserted into a recess 14b formed in front of the second closing lid 14; A second elastic member (reference numeral is omitted) that urges the second lock member in the direction of the concave portion 14b is accommodated. And the front-end | tip of the 2nd advance / retreat axis | shaft (code | symbol is abbreviate | omitted) is fixed to the base end of the said 2nd lock member, and the said 2nd elastic member is located in the middle part of this 2nd advance / retreat axis | shaft. Is arranged. The first and second lock member housing recesses are formed with insertion holes (reference numerals are omitted) through which the middle portion of the first or second advance / retreat shaft 55 is inserted. In the middle of the second advance / retreat shaft 55 and outside the first or second lock member accommodation recess, the first or second advance / retreat shaft 55 is provided in the first or second lock member accommodation recess. A restricting portion 55a that restricts movement of a predetermined length or more is formed. A first unlocking lever having the same configuration as that of the second unlocking lever 40 is disposed in the center of the water stop plate 1, and the first unlocking lever has a central recess shown in FIG. 5. The other components are the same as those constituting the tread plate 21, and the operation unit constituting the first unlocking lever 52 (reference numerals are omitted). The connecting shaft (reference numeral is omitted) is moved by turning so that the front end side of the sealing member is positioned above the upper surface of the water blocking plate 1, thereby resisting the elastic force of each elastic member 54. Thus, the first and second lock members 54 are configured to move outward from the respective recesses 14a and 14b.

  Further, as shown in FIG. 2, the counter plate portion 3 a constituting the one right prevention column 3 and the back surface of the upper half of the counter plate portion 3 a, 5 a constituting the other left prevention column 5 are as shown in FIG. 2. Rotating lock members 61 and 62 are disposed as locking means used to hold the left and right sides of the water blocking plate 1 after each of the standing plates 1 is operated so as to be in the standing state. Since these rotation lock members 61 and 62 have the same configuration, the rotation lock member 61 disposed on the left side will be described. As shown in FIG. 2, the rotation lock member 61 is between support plates 64 and 65 fixed to the left and right of the back surface of the opposing plate portion 3a constituting the one right prevention column 3 and is supported by the support plate 64 and 65. A locking member that is pivotally disposed around a pivot shaft 67 (see FIG. 5) whose both ends are fixed to the plates 64 and 65, and that engages with the tip of the waterstop plate 1 in an upright state. A main body 61a and an operation lever 61b for fixing the base end to the lock member main body 61a and gripping the waterstop plate 1 with fingers and releasing the locked state are configured. In addition, on the back surface of the opposing plate portion 3a constituting the one right prevention column 3 (and the opposite plate portion 5a constituting the other left prevention column 5), the front surface of the water stop plate 1 in an upright state is provided. A water leakage prevention material 71 made of rubber or soft resin that prevents rainwater from entering through the gap is disposed.

  Therefore, as shown in FIG. 5, when the water stop plate 1 is in a lying state and closes the opening of the water storage tank 10 along with the second closing lid 14, the water stop plate 1 The front end sides of the first lock member 53 and the second lock member provided in the first and second lock members are inserted into the recesses 14a and 14b formed in the second closing lid 14 so as not to stand up carelessly. In addition, a part of the load of the water blocking plate 1 is supported by the second closing lid 14 via the first lock member 53 and the second lock member. Further, the other load of the water stop plate 1 is such that the arm portions 31 and 32 formed on the left and right sides of the water stop plate 1 are in contact with the front side plate 10b constituting the water storage tank 10, so that the arm Supported by the portions 31 and 32. Further, when the water stop plate 1 is in a lying state, the upper surface of the second closing lid 14 and the upper surface of the water stop plate 1 are flush with each other, and the left and right automatic doors D1, D2 opens, and a passerby entering and exiting from the entrance of this store passes on the water stop plate 1. Further, when the water stop plate 1 is in the fallen state as described above, the tread plate 21 is located below the fallen water stop plate 1, and the base end side thereof is interposed through the left and right rotating shafts 47. Are supported by the arm members 31 and 32, and the front end sides thereof are supported by the left mounting piece 17 and the right mounting piece 18, respectively.

  And, for example, when rainwater is expected to enter the store due to heavy rain, etc., the operator can operate the operation unit constituting the first unlocking lever 52 provided on the water stop plate 1. When rotating upward, the first locking member 53 and the second locking member that have been inserted into the recesses 14a and 14b formed in the second closing lid 14 until then are elastic forces of the elastic member 54, respectively. Against this, it moves to the base end side of the water blocking plate 1 and the engagement (locked state) with the second closing lid 14 is released. When the water stop plate 1 is gradually raised from the left and right rotation shafts 1a as fulcrums (centers), the left and right arm members 31 and 32 are also gradually rotated clockwise in FIG. As shown in FIG. 6, the base end side of the tread plate 21 gradually moves upward and is slightly inclined. Further, the water stopping plate 1 is further rotated, and the water leakage preventing material fixed to the back surface of the opposing plate portion 3 a constituting the one right prevention column 3 and the opposing plate portion 5 a constituting the other left prevention column 5. In the process of abutting 71 (standing up), the tip of the tread plate 21 that has been tilted so far gradually approaches the second closing lid 14, and eventually the first tread plate 21 provided on the tread plate 21. The distal ends of the lock member 34 and the second lock member are in contact with the corners at the lower end of the end face of the second closing lid 14 and gradually resist the elastic force of the elastic member 35 to the proximal end side of the tread plate 21. And then the tips of the first lock member 34 and the second lock member are formed on the second closing lid 14 by the elastic force of the elastic members 35. It is inserted into the recesses 14a and 14b. By such an operation, the tread plate 21 is engaged and locked with respect to the second closing lid 14, and the upper surface of the tread plate 21 is set to the same position as the upper surface when the waterstop plate 1 is in the lying down state. Further, by locking the left and right sides of the upper end of the standing water stop plate 1 with the respective rotation lock members 61 and 62 as shown in FIG. 7, the water stop plate 1 is fixed in an upright state. The

  As described above, according to the waterproof structure according to this embodiment, when the water blocking plate 1 is locked in the standing state by the rotation lock members 61 and 62, the automatic doors D1 and D2 are opened. Even so, rainwater is prevented from entering the store. In addition, when the water stop plate 1 is locked in a standing state, when a passer-by from outside enters the store across the water stop plate 1, the visitor (passer-by) must be in the above-mentioned step board. The rain water that has fallen on the umbrella or clothes of the visitor passes through a number of openings 21 a formed in the tread plate 21 and is stored in the water storage tank 10. Further, in the drainage structure according to this embodiment, the one left waterproof support column 2 and the other right waterproof support column 4, the one right prevention column 3 and the other left prevention column 5 are arranged, and the one A first intermediate bent plate portion 3c forming the one right prevention column 3 from a portion formed in an L shape by the opposed plate portion 2b and the bent plate portion 2c forming the left waterproof column 2; A left waterproof plate 6 is fixed to a portion formed in an L shape by the second bent plate portion 3d, and the opposing plate portion 4b and the bent plate portion 4c constituting the other right waterproof support column 4 are provided. The portion formed in the L shape by the first intermediate bent plate portion 5c and the second bent plate portion 5d constituting the other left prevention column 5 from the portion formed in the L shape by the The right waterproofing board 7 is fixed, and the left waterproofing board 6 and the right waterproofing board 7 allow the left automatic door D Rainwater from the gap between the gap and the right automatic door D2 and right fixes D2 between the left fixed F1 is also prevented from entering into the store and. Therefore, according to the waterproof structure according to this embodiment, it is possible to further prevent rainwater due to heavy rain or the like from entering the store.

  The water storage tank 10 is formed with an opening for inserting a drain pipe (reference numeral is omitted). Moreover, the drain pump 12 arrange | positioned in the said water storage tank 10 fixes the base end of the drain pipe 74, and this drain pipe 74 is shown in FIG. 9 or FIG. Standing on the ceiling side from a store pillar or wall (not shown), piped to the outside of the store through an insertion hole formed in the wall of the store (not shown), and the tip is constructed to be located near the ground surface outside the store ing.

  Therefore, according to this waterproof structure, even if a large amount of rainwater enters the store and the water storage tank 10 becomes full, the water storage tank 10 or the tread plate 21 is disposed more than the position. Furthermore, it is possible to prevent rainwater from entering the store.

  In addition, the waterproof structure according to the above embodiment is applied to a store such as a convenience store as described at the beginning, and is applied to a store where automatic doors D1 and D2 are arranged at the entrance and exit. However, the present invention may be applied to a store in which the automatic doors D1 and D2 are not disposed, but a door that is opened and closed by a turning operation with a hinge or the like is disposed. In a store where such a door is disposed, it is not necessary to dispose the left waterproof plate 6 or the right waterproof plate 7. In addition, the present invention may be applied to, for example, a subway entrance and exit instead of the above-mentioned store, and by applying to such a place, rainwater can be prevented from entering the basement.

DESCRIPTION OF SYMBOLS 1 Water stop plate 3 One right prevention support | pillar 5 The other left waterproof support | pillar 10 Water storage tank 12 Drain pump 14 2nd obstruction | occlusion lid 14a, 14b Recess 17 Left mounting piece 18 Right mounting piece 21 Tread 21a Opening 31, 32 Left and right First lock member 35 Elastic member 40 Second lock release lever 47 Rotating shaft 52 First lock release lever 53 First lock member 54 Elastic members 61 and 62 Rotation lock member 74 Drain pipe

Claims (4)

The left and right pillars, which are formed in a square shape and are rotated around a fulcrum located on the base end side from the lying state to the standing state, and in this standing state, are arranged at the entrance of a store or a subway or other building Or a water stop plate whose both ends abut against the wall surface;
Left and right arm parts formed respectively on the left and right sides of the base end side of the water stop plate and hanging down in the lying state of the water stop plate,
A support plate part formed on the inner side of the tip side of each of the left and right arm parts,
A tread plate that is positioned below the water stop plate in the lying state of the water stop plate, and that both the left and right sides on the base end side are rotatably connected to the left and right arm portions via a support shaft; ,
A placing piece on which the tread plate is placed at least in a state where the water stop plate is lying down;
A lock means for holding the water stop plate in an upright state, and a recess that the water stop plate, the left and right arm portions, and the tread plate house therein,
By erecting the water stop plate in the lying state, the base end side of the tread plate is gradually moved upward,
When the water stop plate is in an upright state, the upper surface of the tread plate is positioned at the same position as the upper surface when the water stop plate is in a lying state, and the load is supported by the support piece. Waterproof structure characterized by The tread board is formed with a plurality of through holes for allowing rainwater to pass from the upper side to the lower side, and the base end of the water stop plate is located inside the entrance of the building, and below the inside of the entrance of the building. Has a water storage tank with an opening at the top and a water storage space inside.
At least the inside of the entrance / exit of the opening formed in the water storage tank is blocked by the water stop plate when the water stop plate is in a lying state, and is blocked by the tread plate when the water stop plate is in an upright state. The waterproof structure according to claim 1, wherein the water retaining plate, the left and right arm portions, and the concave portion that accommodates the tread plate are water storage spaces formed in the water storage tank.   A drainage pump that discharges rainwater that has flowed into the water storage tank is disposed in the water storage tank, and a base end of a drainage pipe is connected to the drainage pump. The waterproof structure according to claim 2, wherein the waterproof structure is piped so as to be located outside the building. The opening formed in the water storage tank is closed by the water stop plate or the foot plate and the closing plate disposed on the front end side of the water stop plate or the foot plate,
Either the tip of the water stop plate and the tread plate or the end surface of the blocking plate is urged so as to project the lock member to the end surface side of the blocking plate or the tip side of the water stop plate or tread plate. And an unlocking operation part that moves the lock member against the elastic force of the elastic member.
3. An end face of the blocking plate or a front end surface of the water stop plate or the tread plate is formed with an engagement hole into which the front end side of each of the lock members is inserted and engaged with the lock member. The waterproof structure described.