JP4452636B2 - Rainwater outflow suppression device and side plate member used in the rainwater outflow suppression device - Google Patents

Description

  The present invention is a rainwater outflow control device that reduces the load on rivers and sewerage facilities by temporarily storing rainwater and infiltrating or draining it when it rains. The present invention relates to a suppression device.

  2. Description of the Related Art Conventionally, a rainwater outflow suppression device is known in which a filling member 1 as shown in FIG. 22 is connected vertically and horizontally and forms a reservoir for temporarily storing rainwater or the like (see, for example, Patent Document 1). ).

  First, from the configuration, in this conventional rainwater outflow suppression device, the side wall surface and the bottom surface are surrounded by a covering sheet because the storage portion is dug down and the storage portion is recessedly formed and rainwater and the like are temporarily stored. Covered.

  And in this storage part, the filling member 1 ... as shown in FIG.

  This filling member 1 is integrally provided with a plurality of leg portions 1b below the flat plate-like upper surface portion 1a, and rainwater is provided between the upper surface portions 1a of the other filling members 1 disposed adjacent to each other in the vertical direction. It is comprised so that the space which can be stored is formed.

  Furthermore, in this conventional rainwater outflow suppression device, in order to counter the side earth pressure, earth and sand intrusion prevention plates 2 that cover the side surface of the filling member 1 are mounted.

  In this conventional rainwater outflow suppression device, engaged portions 1d and 1d are formed on the side surface of the upper edge portion 1c of the filling member 1, and the soil entry into the engaged portions 1d and 1d from above is prevented. Hooks 2b and 2b that are integrally projected from the upper edge of the frame 2a of the plate 2 are configured to be locked.

  Next, the operation of this conventional rainwater outflow suppression device will be described.

  In the conventional rainwater outflow suppression device configured as described above, when rainwater enters into a storage portion formed by the plurality of filling members 1 due to rain, the rainwater temporarily enters the storage space portion. stay.

  For this reason, even if a large amount of rain falls at a time, it is temporarily stored in the storage space of the rainwater outflow suppression device, and a sudden increase in water due to heavy rain in a river or a sewerage facility can be mitigated.

Moreover, the earth and sand intrusion prevention plates 2 mounted so as to cover the side surface of the filling member 1 receive the side earth pressure, and the earth and sand enter the space formed between the filling members 1 and 1 of the storage portion. Intrusion is prevented.
JP 2002-275952 A (paragraphs 0009 to 0041, FIG. 30, etc.)

  However, in such a conventional rainwater outflow suppression device, since the earth and sand intrusion prevention plate 2 is interposed between the side soil around the periphery of the storage portion formed in a recessed manner and the filling member 1, FIG. As shown in FIG. 2, the hooks 2b and 2b are engaged with the engaged portions 1d and 1d formed on the side surface of the upper edge 1c of the filling member 1 from above.

  Thus, since the hooks 2b and 2b are integrally projected from the upper edge of the frame 2a of the earth and sand intrusion prevention plate 2 to the side, as shown in FIG. Then, it becomes unstable.

  Further, it is conceivable that the hooks 2b and 2b are stacked so as not to overlap the frame body 2a, but in this case, the preservation is larger than the area up to the outer peripheral edge of the frame body 2a of the single earth and sand intrusion prevention plate 2. Space is needed. For this reason, a large mounting space is required when transporting by stacking for a certain period of time during storage in a stock yard such as a manufacturing factory, storage warehouse, or construction site, or during transport on a truck or the like. There was also a problem.

  Therefore, the present invention provides a rainwater outflow suppression device that has good pressure resistance to the earth, and does not increase the space required for storage when stacked and stored, and has good workability. It is an issue.

  In order to achieve the above-mentioned object, the invention described in claim 1 is provided with a side plate member that continuously connects a filling member vertically and horizontally in a storage part for temporarily storing rainwater and the like, and covers an outer surface part of the filling member. In the rainwater outflow suppression device that forms a storage space, a connecting leg member is interposed between the filling member and another filling member connected in the vertical direction, and a side surface portion of the connecting leg member The rainwater outflow suppression is provided with a side plate mounting portion having an engaged recess or engaged protrusion that supports the side plate member by engaging with an engaging protrusion or engagement recess provided on the side plate member. Features the device.

  Further, according to a second aspect of the present invention, there is provided a storage recess for receiving an engagement protrusion of another stacked side plate member on the back side of the engagement protrusion formation position. It features a side plate member used in an outflow suppression device.

  According to the first aspect of the present invention configured as described above, the engagement protrusion or the engagement recess of the side plate member is formed on the side surface of the connecting leg member in advance so as to be positioned on the side surface of the storage portion. And the engaged recess or engaged protrusion of the side plate mounting portion are engaged to mount the side plate member, and the connecting leg member is disposed between the filling member and the filling member in the vertical direction. To be installed.

  In the installed state, the side plate member is interposed between the side soil around the periphery of the storage portion and the filling member, and the outer surface portion of the filling member is covered. For this reason, a side earth pressure is received by this side board member, and infiltration of the earth and sand to the space inside formed between the filling members of the storage part is prevented.

  According to a second aspect of the present invention, the engaging protrusions of the other side plate members stacked are accommodated by the accommodating recess formed on the back side of the engaging protrusion forming position.

  For this reason, a plurality of side plate members can be stably stacked, and the mounting space may be substantially the same as the area up to the outer periphery of the side plate member, and the space efficiency can be improved.

  Next, a rainwater outflow suppression device according to the best mode for carrying out the present invention will be described with reference to the drawings.

  In addition, the same code | symbol is attached | subjected and demonstrated about the same or equivalent part as the said prior art example.

  FIG. 1 thru | or FIG. 21 demonstrates the side-plate member used for the rainwater outflow suppression facility of this Embodiment and this rainwater outflow suppression facility.

  First, the configuration will be described. As shown in FIG. 3, the rainwater outflow suppression apparatus 10 according to the embodiment of the present invention temporarily stores rainwater and the like by digging down the ground G of a site where a building is provided, such as a house. The storage part F to be formed is provided so as to be recessed.

  In the storage part F of these rainwater outflow suppression devices 10, in order to temporarily store rainwater and the like, the outer peripheral surface is covered with a cover sheet (not shown) over the bottom surface part and the side wall surface part, and the storage part F A plurality of filling members 11... And 111 are connected in series vertically and horizontally and vertically to form a fixed capacity space.

  In the rainwater outflow suppression device 10, the filling member 11 is made of a synthetic resin material such as polypropylene as shown in FIGS. 1 and 10 to 11, and has a fixed inclination angle ( In this embodiment, the inclined plate portion 11a as a water surface having a substantially square shape when viewed from above is inclined at about 5 degrees), and is integrally formed at the four corners of the inclined plate portion 11a and connected to the upper portion. Four pieces that support the upper loading load from the other filling members 11 or the connecting leg members 12 and 12 described later and the earth pressure from above transmitted through the filling members 11 or the connecting leg members 12 and the like. .. And a backflow prevention wall 11c, 11d, 11d, and 11e for preventing backflow are integrally formed on the periphery of the inclined plate portion 11a.

  The filling member 111 shown in FIG. 8 and FIG. 9 is provided in the approximate center directly below the inspection port 10a as shown in FIG. Since the inclination directions of 111a and 111a are substantially the same as those of the filling member 11 except that the inclination direction is inclined inward at a constant angle, the same reference numerals as those of the filling member 11 are given below and description thereof is omitted.

  Of these, the backflow prevention walls 11c, 11d, and 11d are connected between the upper edges of the four support leg portions 11b and 11b integrally formed at the four corners, as shown in FIGS. It extends over the entire length of each side.

  The backflow prevention wall 11e is provided between a pair of support leg columns 11b, 11b located on the downstream side of the inclined plate portion 11a, and is continuously provided between the lower edges of the support leg columns 11b, 11b. It is so extended.

  The support leg portions 11b of this embodiment each have a substantially right-angled isosceles triangle shape, and a concave connection receiving portion 11f is formed in the lower portion and a convex connection portion 11g on the upper surface side in the upper portion. Are mainly configured by protruding.

  Further, connecting leg members 12 are respectively interposed between the support leg portions 11b, 11b arranged in the vertical direction in this embodiment.

  As shown in FIGS. 12 to 16, each of the connecting leg members 12... Has a substantially right-angled isosceles triangle shape, and the lower part of the supporting leg column part 11 b of the filling member 11 located below is provided at each lower part. A concave connection receiving portion 12a that is fitted and connected to the upper convex connection portion 11g is formed, and a concave connection on the lower side of the support leg column portion 11b of the filling member 11 located above is formed on the upper portion. A projecting connecting portion 12b that is fitted and connected to the receiving portion 11f is projected.

  Then, the backflow prevention provided continuously to the filling member 11 in a state in which the convex connection portion 11g protruding from the upper surface side of the filling member 11 is inserted and connected into the concave connection receiving portion 12a. The walls 11c, 11d, and 11d are extended so that the convex connection portions 11g and 11g on the upper surface side are connected to each other so that the concave connection receiving portion 12a is formed by a two-dot chain line in FIGS. As shown in Fig. 5, even if the sheet is expanded by a load such as earth pressure from above, the peripheral edge of the concave connection receiving portion 12a and a part 11h of the backflow prevention walls 11c, 11d, 11d intersect with each other. It is comprised so that it may touch.

Further, the two different side surface portions 12c and 12c of the connecting leg member 12 are engaged with the engagement protrusions 13a or the engagement recesses 13b having a cracked shape provided on the side plate member 13 covering the outer side surface portion of the filling member 11. In addition, a side plate mounting portion 12d having an engaged recess 12e for supporting the side plate member 13 and an engagement protrusion 12f having a cracked shape is provided.

  As shown in FIGS. 17 to 21, a plurality of reinforcing rib portions 13d, 13e,... Are integrally formed on the side plate member 13 in the longitudinal direction on the back surface side of the flat plate surface portion 13c. The engaging projections 13a formed so as to project from the left and right pairs and the engaging recesses 13b formed to be opened are separated and provided integrally.

Among them, on the side opposite to the protruding direction is a back side of the engaging projection 13a is accommodating recess 13 h as engagement projections 13a projecting from the other side plate member 13 stacked is accommodated A recess is formed.

  Further, the side plate member 13 of this embodiment is integrally formed with an outer peripheral rib portion 13f along the outer peripheral edge, and a pair of positioning protrusions on a substantially diagonal line so as to be integrated with the outer peripheral rib portion 13f. Portions 13g and 13g are provided.

Further, on the opposite side protruding direction is a back side of the positioning projections 13g, accommodation recess 13 i so as to protrude from the other side plate member 13 stacked the positioning projections 13g are accommodated concave Is formed.

  And in the rainwater outflow suppression apparatus 10 of this embodiment, as shown in FIG. 1, the four support leg part 21b, 21b ... provided in the four corners of the bottom face member 21 located in the lowest part, and next Between the four supporting leg columns 11b, 11b,... Of the loading member 11 to be placed, connecting members 31 provided with a pair of convex connecting portions 31d, 31d are respectively interposed and connected. Yes.

  Further, in the rainwater outflow suppression device 10 of this embodiment, a substantially flat top plate member is interposed above the filling member 11 positioned at the uppermost position with connecting leg members 12 provided at the four corners. .. Are provided so as to cover the upper surface of the rainwater outflow suppression device 10.

  Next, the effect | action of the side plate member used for the rainwater outflow suppression apparatus of this embodiment and this rainwater outflow suppression apparatus is demonstrated.

  First, the construction sequence of the rainwater outflow suppression device 10 will be described. When the rainwater outflow suppression device 10 is constructed, a water shielding sheet or the like is laid after excavating the storage portion F on the ground G. In the form, as shown in FIG. 3, the bottom surface members 21 are installed on the bottom surface of the storage portion F, and the filling members 11 and the connecting leg members 12 are alternately disposed above the bottom surface member 21. Connected and stacked.

  In this embodiment, since the bottom member 21 is connected to the filling member 11 in the vertical direction via connecting members 31 as shown in FIG. 1, it has substantially the same shape as the concave connection receiving portion 12a. A member having substantially the same shape as the filling member 11 having the connecting portion can be used as the bottom member 21.

  For this reason, the filling member 11 can be used as the bottom member 21 in the inverted direction, and the number of components can be reduced to reduce the manufacturing cost.

  When the connecting leg members 12 and 12 are mounted, the engaging projections 13a and the engaging recesses 13b of the side plate member 13 and the engaged side of the side plate mounting portions 12d formed on the connecting leg members 12 and 12, respectively. If the recess 12e or the engaged protrusion 12f is engaged and the side plate member 13 is mounted, the storage portion formed to be recessed can be formed simply by mounting the connecting leg members 12 and 12 from above. The side plate member 13 can be easily interposed between the side soil around the F edge and the filling member 11.

In this way, while the side plate member 13 is interposed, as shown in FIG. 1, the filling members 11 and the connecting leg members 12 are sequentially connected to each other, and the top plate member 40 is disposed at the uppermost position. Is installed.

  Then, the upper portion is covered with a waterproof sheet (not shown) and the upper openings of the inspection ports 10a and 10a are partially exposed to the ground surface and backfilled in the ground G as shown in FIG. Construction is complete.

In the rainwater outflow suppression device 10 of this embodiment constructed in this way, rainwater falls into the storage space formed as a gap by the filling members 11 and 11 in the storage portion F due to rain, and the houses and the like. When entering from the premises, these rainwaters temporarily stay in this storage space.

  For this reason, even if a large amount of rain falls at a time, it is temporarily stored in the storage part F formed in the rainwater outflow suppression device 10 until it exceeds a certain capacity, and sudden water increase due to heavy rain such as rivers and sewer facilities Can be relaxed.

  And the rain water which flows down from the other filling member 11 arrange | positioned adjacently by the fixed inclination angle provided in the inclination board 11a of each said filling member 11 is collected in the direction of a drain outlet with sand gravel. At this time, the backflow prevention walls 11c, 11d, 11d and 11e integrally formed on the peripheral edge of the inclined plate 11a which is the flowing water surface of the filling member 11 are naturally moved downward from the lower edge of the inclined plate 11a of the adjacent filling member 11. Backflow caused by rebounding rainwater flowing down is prevented.

  For this reason, water collection efficiency can be further improved, and by making the direction of rainwater flow constant, the accumulation efficiency of gravel mixed in rainwater can be improved, and maintenance is also good. It can be.

Further, as shown in FIGS. 10 and 11, the periphery of the concave connection receiving portion 12a of the connection leg member 12 is brought into contact with the portions 11h and 11h of the backflow prevention walls 11c and 11d. Therefore, even if the peripheral edge of the concave connection receiving portion 12a is externally fitted and connected to the convex connection portion 11g on the upper surface side of the filling member 11, it is prevented from expanding and falling outside.

  For this reason, the anti-earth pressure performance with respect to the earth pressure from above can be made favorable.

  In addition, in this embodiment, the engagement protrusions 13a and the engagement recesses of the side plate member 13 are formed on the side surface portions 12c and 12c of the connecting leg members 12 and 12 in advance so as to be positioned on the side surface portion of the storage portion F. 13b is engaged with the engaged recess 12e and the engaged protrusion 12f of the side plate mounting portion 12d, and the side plate member 13 is mounted, and the connecting leg members 12, 12 are moved in the vertical direction. It is connected between the filling member 11 and the filling member 11.

  Therefore, in the installed state, these side plate members 13 are positioned between the side soil around the periphery of the storage portion F and the filling members 11, 11 so that the outer surface portion of the filling member 11 is covered. Is called. For this reason, the side earth pressure is received by these side plate members 13..., And the pair of left and right support leg pillar portions 11 b and 11 b of the filling member 11 or the pair of left and right connecting leg members 12 and 12. Intrusion of earth and sand into the space formed between the filling members 11 of the reservoir F is prevented from the opening formed therebetween.

  Further, in this embodiment, as shown in FIG. 16, in the vertical column portion where the four connecting leg members 12 lie close to each other, the other connecting leg members 12 arranged adjacent to each other and the side plate member 13 are supported. Since the engaged recesses 12e and the engaged protrusions 12f of the used side plate mounting portion 12d are also used to connect the filling members 11 and 11 arranged adjacent to each other in the horizontal direction, only in the vertical direction. In the vertical and horizontal directions, the upper load such as earth pressure is dispersed and transmitted to the lower filling members 11.

  For this reason, the local upper load load is also distributed in four directions from the vertical column portion and is received in a wide area near the substantially entire surface of the bottom surface portion 2a of the storage portion F. On the other hand, sufficient support rigidity is obtained, and sinking of the ground surface can be prevented.

  Furthermore, in this embodiment, as shown in FIGS. 19 and 20, the other side plate member 13 stacked by the accommodating recess 13h formed on the back surface side of the position where the engagement protrusion 13a is formed is provided. The engaging protrusion 13a is accommodated as shown in FIG.

  Therefore, the plurality of side plate members 13 can be stably stacked in a mounting space substantially equal to the area of the plate surface portion 13c.

  Furthermore, in this embodiment, an outer peripheral rib portion 13f is integrally formed on the side plate member 13 along the outer peripheral edge, and a pair of positioning protrusions are formed on a substantially diagonal line so as to be integrated with the outer peripheral rib portion 13f. Portions 13g and 13g are provided.

  Then, on the opposite side to the projecting direction, which is the back surface side of the positioning projection 13g, positioning projections 13g projecting from the other stacked side plate members 13 are accommodated and positioned, and each side plate member 13 is positioned. The outer peripheral edge position of... Matches up and down without any deviation.

  In this way, the mounting space may be approximately the same as the area up to the outer peripheral edge of these side plate members 13, so when storing in a manufacturing factory, a storage warehouse, or a stockyard such as a construction site, or in a truck or the like It is possible to improve the space efficiency when transporting by laminating for a certain period during the transport of the film.

  The embodiment of the present invention has been described in detail above with reference to the drawings. However, the specific configuration is not limited to this embodiment, and design changes that do not depart from the gist of the present invention are not limited to this embodiment. Included in the invention.

  That is, in the said embodiment, although the said filling member 11 and the side-plate member 13 are comprised by synthetic resin materials, such as a polypropylene, it is not restricted to this in particular, For example, polyethylene, vinyl chloride, a polyethylene terephthalate, etc. Even if it is made of a synthetic resin material, if it is attached to the side surface portions 12c, 12c of the connecting leg members 12, 12 that are interposed and connected to the filling members 11, 11 in the vertical direction, the shape, The quantity and material are not particularly limited.

It is a disassembled perspective view explaining the structure of the storage part by which a filling member and a connection leg member are connected by the rainwater outflow suppression apparatus of this invention's best embodiment. It is a stormwater outflow suppression apparatus of embodiment, and is a top view which shows the rainwater flow down direction in a stormwater outflow suppression apparatus with a white triangle mark. It is sectional drawing in the position along the AA line in FIG. 2 with the rainwater outflow suppression apparatus of embodiment. It is a right view in the state where the side plate member was removed in the rainwater outflow suppression device of an embodiment. It is a top view in the state which mounted | wore with the top plate member in the rainwater outflow suppression apparatus of embodiment. It is a side view in the state where the side plate member was mounted in the rainwater outflow suppression device of the embodiment. It is a right view in the state in which the side plate member was mounted | worn with the rainwater outflow suppression apparatus of embodiment. It is a bottom view of the filling member used for the rainwater outflow suppression device of the embodiment. It is the arrow line view which looked at the filling member used for the rainwater outflow suppression apparatus of embodiment from the white arrow direction in FIG. It is a top view of the filling member used for the rainwater outflow suppression device of the embodiment. It is a side view of the filling member used for the rainwater outflow suppression apparatus of embodiment. It is one side view of the connection leg member used for the rainwater outflow suppression apparatus of embodiment. It is the other side view of the connection leg member used for the rainwater outflow suppression apparatus of embodiment. It is a bottom view of the connecting leg member used for the rainwater outflow suppression device of the embodiment. It is a top view of the connection leg member used for the rainwater outflow suppression apparatus of embodiment. It is a perspective view explaining a mode that the vertical column part of the rainwater outflow control device of an embodiment is constituted by connecting four connecting leg members. It is the top view which looked at the side-plate member used for the rainwater outflow suppression apparatus of embodiment from the back side. It is a side plate member used for the rainwater outflow suppression apparatus of embodiment, and is sectional drawing in the position along the BB line in FIG. It is a side board member used for the rainwater outflow suppression apparatus of embodiment, and is sectional drawing in the position along CC line in FIG. It is a side plate member used for the rainwater outflow suppression device of the embodiment, and is a cross-sectional view at a position along the line DD in FIG. It is sectional drawing in the part equivalent to FIG. 20 which shows a mode that the side-plate member used for the rainwater outflow suppression facility of embodiment was laminated | stacked and mounted. It is a disassembled perspective view explaining the attachment structure of the filling member used for the rainwater outflow suppression apparatus of a prior art example, and a sediment intrusion prevention board. It is a side view which shows an example of a mode that the sediment intrusion prevention board used for the rainwater outflow suppression apparatus of a prior art example is laminated | stacked and stocked.

DESCRIPTION OF SYMBOLS 10 Rainwater outflow suppression apparatus 11 Filling member 11a Inclined board part (flow water surface)
11c, 11d, 11e
Backflow prevention wall 11f Concave connection receiving part 11g Convex connection part 12 Connection leg member 12a Concave connection reception part 12b Convex connection reception part 12c Side face part 12d Side plate mounting part 12e Engagement concave part 12f Engagement projection part 13 Side plate member 13a Engagement protrusion 13b Engagement recess 13h Storage recess G Ground F Storage part

Claims (2)

In the rainwater outflow suppression device in which the filling member is continuously arranged vertically and horizontally and vertically in the storage portion that temporarily stores rainwater and the like, and the side plate member that covers the outer surface portion of the filling member is provided to form a storage space.
A connecting leg member is interposed between the filling member and another filling member connected in the vertical direction, and an engaging protrusion provided on the side plate member or a side surface of the connecting leg member A rainwater outflow suppression device, characterized in that a side plate mounting portion having an engaged recess or engaged protrusion for supporting the side plate member by engaging with the engaging recess is provided.   The side plate member used for the rainwater outflow suppression device according to claim 1, wherein an accommodation recess for accommodating the engagement projections of the other stacked side plate members is formed on the back side of the engagement projection formation position. .

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