JP6577776B2 - Rainwater penetration - Google Patents

Description

  The present invention relates to a rainwater infiltration trough having a work space where an administrator can enter.

  On roads and parking lots paved with concrete, there are cases where rainwater seepage troughs are installed in communication with gutters etc. in order to allow rainwater to penetrate into the ground. The rainwater infiltration trough is buried in the ground, has a water collection part that is a space where rainwater flows in on the upstream side, and has a cylindrical infiltration part on the downstream side of the water collection part. Rainwater that has flowed into the water collection part flows into the infiltration part, and is infiltrated into the ground through a hole provided in the wall surface of the infiltration part. The holes provided in the wall of the infiltration section may cause clogging due to accumulation of dust such as fallen leaves, and the water may overflow from the rainwater infiltration basin. In general, a filter is provided in an opening communicating with the infiltration portion, and the filter is periodically cleaned. Among them, as in Patent Document 1, there is one in which a space between the upper lid and the bottom surface of the water collecting unit having a filter is formed large.

JP 2008-214859 A (6th page, FIG. 1)

  In a rainwater infiltration basin having a large space (collection unit) on such an infiltration part, an operator can enter this space and use this space as a work space for cleaning a filter or the like. There is something you can do. In this case, since the worker can stand on the bottom surface constituting the water collecting portion and perform maintenance such as cleaning and inspection of the filter attached to the bottom surface, it can perform reliable maintenance work in every detail. . However, since there is a work space for workers to enter, the rainwater penetrating bowl itself is large and heavy, and there is a problem that transportation and assembly during installation of the rainwater penetrating bowl are not easy.

  An object of the present invention is to provide a rainwater infiltration tub that can be easily transported and assembled.

In order to solve the above-mentioned problem,
A rainwater infiltration trough having a working space,
The rainwater permeation trough comprises a plurality of cylindrical divided bodies stacked one above the other and a plate-like body having an opening,
An infiltration portion having a plurality of holes is formed on the outer wall of the lower divided body, and an engagement groove that opens to the inside of the outer wall is formed at the lower end of the upper divided body and / or the upper end of the lower divided body. Is provided,
The plate-like body has a holding piece extending outward from an outer edge thereof, and the holding piece is fitted into the engagement groove, whereby a work space is formed above the plate-like body. and,
A thickness dimension of the holding piece is formed shorter than a depth dimension of the engaging groove so that an upper surface of the holding piece fitted into the engaging groove and a lower surface of the upper divided body are separated from each other. It is characterized by having.
According to this feature, the rainwater seepage rod has a work space by fitting a plurality of divided bodies and a plate-like body having an opening separate from these divided bodies into the engaging grooves at the ends of the divided bodies. Since it comprises, the conveyance of a division body and a plate-like body at the time of assembling a rainwater permeation basket, and lamination | stacking assembly work become easy. Further, the plate-like body is fitted in the engagement groove of the divided body, so that the movement in the horizontal direction is restricted. At the time of transportation, the plate-like body can be transported without fear of dropping off. In particular, when an engagement groove that opens to the inside of the outer wall is provided at the upper end of the lower divided body, the plate-shaped body is positioned in the engagement groove provided at the upper end of the lower divided body. Therefore, it is possible to carry and stack together with the lower divided body and to easily align the upper divided body during the stacked assembly. Further, the plate-like body is not only restricted in horizontal movement by fitting with the engaging groove, but also the lower end of the upper divided body stacked on the lower divided body on which the plate-like body is supported. Therefore, the upward movement of the holding piece of the plate-like body is restricted.

The plate-like body has a gradient adjusting means capable of adjusting the gradient of the plate-like body.
According to this feature, a water pool can be formed by giving a gradient to the plate-like body, and sand or mud can be precipitated in the water pool portion to reduce the frequency of cleaning below the opening.

It is a partial cross section front view which shows the rainwater penetration penetrating in Example 1. FIG. It is a perspective view which shows a 1st division body. It is a perspective view which shows a plate-shaped body and a filter. It is a figure which shows the state which installed the bottom member. It is a figure which shows the state which installed the 1st division body. It is a figure which shows the state which installed the 2nd division body. It is a figure which shows the state which installed the plate-shaped object. It is a figure which shows the state which installed the 3rd division body, the cover member, and the manhole. It is a figure which shows the junction part of the 2nd division body in a modification, a plate-shaped body, and a 3rd division body. It is a figure which shows the gradient adjustment means of the rainwater penetration penetrant in Example 2. FIG.

  EMBODIMENT OF THE INVENTION The form for implementing the rainwater penetration dredging which concerns on this invention is demonstrated below based on an Example.

  The rainwater permeation dredge according to the first embodiment will be described with reference to FIGS. As shown in FIG. 1, the rainwater penetrating trough 1 is mainly configured by stacking a plurality of divided bodies embedded in the ground. And it has the water collection part 2 into which rainwater flows in to an upstream side (screen upper side), and has the osmosis | permeation part 3 in the downstream (screen lower side) of the water collection part 2. FIG. In the rainwater infiltration trough 1 in the present embodiment, the water collecting part 2 is connected to a pipe (not shown), and rainwater or the like flows into the water collecting part 2 from a pipe or a hole (not shown) of the manhole 10. It has become. The water collecting unit 2 functions as a work space S in which a space from the bottom surface 8a to the ceiling surface 9a can be entered by an operator.

  The rainwater infiltrating rod 1 is dug in the ground, and is buried in the hole through gravel. The rainwater infiltration trough 1 has a bottom member 7 that constitutes the bottom of the infiltration portion 3 of the rainwater infiltration trough 1 at the bottom, and the first divided body 4 and the first divided body 4 that also constitute the infiltration portion 3 on the bottom member 7. The second divided body 4 ′ is laminated, the third divided body 6 constituting the water collecting portion 2 is laminated on the second divided body 4 ′, and the lid member 9 is laminated on the third divided body 6. It is configured.

  As shown in FIG. 4, the bottom member 7 is a plate-like member in which an opening 7a is formed, and rainwater that has flowed to the bottom member 7 flows out into the ground. On the upper end surface 7b of the bottom member 7, a concave strip 7c is formed in the vicinity of its outer edge. The concave strip 7c is a convex strip formed on the lower end surface of the first divided body 4 to be described in detail later. The groove is fitted into 4a, and the lateral displacement between the bottom member 7 and the first divided body 4 is prevented.

  As shown in FIGS. 1, 2, and 5, the first divided body 4 is a concrete cylindrical body having a substantially rectangular shape when viewed from above, and allows rainwater to penetrate into the ground from the cylindrical body into the ground. A large number of lead-out holes 40 are formed. Since the first divided body 4 and the second divided body 4 'are structurally identical, the description of the configuration of the second divided body 4' is omitted here. The protrusion 4a described above is formed on the lower end surface of the first divided body 4, and the groove 4c is formed on the upper end surface. The groove 4c on the upper end surface is a protrusion on the lower end surface of the second divided body 4 '. 4a 'or the groove 6a can be fitted into the ridge 6a formed on the lower end surface of the third divided body.

  Further, an engagement groove 15 (locking portion) is formed on the inner surface of the upper end portion of the outer wall constituting the first divided body 4. The engagement grooves 15 are formed by cutting out on the inner surfaces of the four outer walls of the first divided body 4 so as to open upward and inward, respectively.

  As shown in FIGS. 3 and 6, the plate-like body 8 has a rectangular shape along the inner surface of the upper end portion of the second divided body 4 ′, and each of the four sides of the second divided body 4 ′ is described above. , Holding pieces (locking portions) 8b, 8b,... That engage with the engaging grooves 15, 15,. The holding pieces 8b, 8b,... Are projected from the central portion of the side surface 8c of the plate-like body 8, and the thickness thereof is formed slightly thinner than the depth dimension of the engaging grooves 15, 15,. (See FIG. 7). An opening 20 is formed in the plate-like body 8, and a filter 25 is installed in the opening 20.

  As FIG.1 and FIG.8 shows, since the 3rd division body 6 is a member which comprises the water collection part 2 which has a role which once collects the rainwater which flowed from the piping and the manhole 10, and it flows into the infiltration part 3 Unlike the first divided body 4 and the second divided body 4 ′, the outer wall 6b has no lead-out hole.

  A recess 6 c is formed on the upper end surface of the third divided body 6, so that the groove can be fitted to the protrusion 9 b formed on the lower end surface of the lid member 9 laminated on the third divided body 6. ing. The lid member 9 is formed with a lid member opening 9c, and a manhole 10 is attached so as to be openable and closable so as to close the lid member opening 9c.

  As shown in FIGS. 4 to 8, the rainwater penetrating rod 1 includes the bottom member 7, the first divided body 4, the second divided body 4 ′, the plate-like body 8, the third divided body 6, and the lid member 9. It is transported to the ground by heavy machinery etc. and assembled by stacking in order.

  As shown in FIG. 8, after the plate-like body 8 is fitted and installed in the engagement grooves 15, 15,... Of the embedded second divided body 4 ′, the third divided body 4 ′ is divided into the third divided body 4 ′. The body 6 is laminated. According to this, the lower surface 6d of the third divided body 6 stacked thereon is positioned above the engaging pieces 8b, 8b,... Of the plate-like body 8, so that the holding pieces 8b, 8b,. The plate-like body 8 is prevented from coming off upward. Further, the plate-like body 8 is restricted from moving in the horizontal direction by fitting with the engaging grooves 15, 15,.

  The space above the plate-like body 8 is partitioned as the work space S by the plate-like body 8 thus installed. The plate-like body 8 is made of concrete so that an operator can open the manhole 10 and enter the work space S and perform maintenance such as cleaning the filter 25 while standing on the plate-like body 8. It has become.

  In addition, since the rainwater infiltrating rod 1 is buried in the ground, it is necessary to have strength against the earth pressure, and the first divided body 4, the second divided body 4 ', and the third divided body 6 are made of thick concrete. Although it is formed of a cylindrical body having an outer wall, the plate-like body 8 is configured to be supported by engagement grooves 15, 15,... Formed inside the outer wall 4b ′ of the second divided body 4 ′. Therefore, since the plate-like body 8 is not exposed to the outside and does not directly receive the earth pressure, it is sufficient that it has at least strength sufficient to support the weight of the operator, and is formed to be relatively light. Can be transported easily and at a low cost.

  Further, as shown in FIG. 3, the opening 20 for installing the filter 25 in the plate-like body 8 is arranged so as to be shifted from the center of the plate-like body 8 in a plan view, thereby securing a worker's scaffolding area. It has become easier. The opening 20 may be provided by being cut out at the center of the plate-like body 8 or at the edge of the plate-like body 8.

  Further, since the four sides of the plate-like body 8 are fitted and supported in the engagement grooves 15, 15,..., The weight of the operator is dispersed and supported, and the durability is increased. Yes.

  Although not described in detail here, the engagement grooves 15, 15,... Of the first divided body 4 and the second divided body 4 ′ are inside the upper ends of the first divided body 4 and the second divided body 4 ′. Since it is formed in a substantially L shape in cross-section when viewed from above and inside, the engagement grooves 15, 15,... Are formed at the ends of the die that forms the first divided body 4 and the second divided body 4 ′. It can be formed simply by adding protrusions, and can be used together with a conventional die for forming a divided body that does not include the engaging grooves 15, 15,.

  Further, the thickness dimension of the holding pieces 8b, 8b,... Of the plate-like body 8 may be substantially the same as the depth dimension of the engagement grooves 15, 15,. When the holding pieces 8b, 8b,... Are fitted in the engaging grooves 15, 15,..., The upper surfaces of the holding pieces 8b, 8b,. The holding pieces 8b, 8b,... Are sandwiched between the second divided body 4 ′ and the third divided body 6 by the own weight of the third divided body 6 so that the vertical movement is strongly regulated.

  In addition, the engagement grooves 15, 15,... Are not limited to the configuration formed at the upper end of the second divided body 4 ′ as in the above-described embodiment, but, for example, as in the modification shown in FIG. , 8b,... Are between the engaging grooves 150A, 150A,... Formed at the upper end of the second divided body 4 'and the engaging grooves 150B, 150B,. It may be configured to be positioned.

  Next, a rainwater permeation kite according to Example 2 will be described with reference to FIG. The description of the same configuration as that of the above embodiment is omitted.

  As shown in FIG. 10, a notch 61 is formed in the lower end surface of the third divided body 60, and in the vicinity of the holding pieces 8b, 8b,. 70 is screwed, and this screw 70 penetrates the plate-like body 8 in the up-down direction, and its tip end portion 70b can come into contact with the engaging groove 15 of the second divided body 4 ′. Therefore, when the screw head 70a protruding above the plate-like body 8 is tightened by a tool, the tip end portion 70b is pressed in the direction of the engagement groove 15 of the second divided body 4 ′, and the reaction force causes the plate-like shape. The body 8 is lifted away from the engagement groove 15 (gradient adjusting means). A part of the holding piece 8 b lifted at this time enters a notch 61 formed in the lower end surface of the third divided body 60.

  According to this, the plate 70 can be given a gradient in a desired direction by appropriately selecting the screw 70 screwed in the vicinity of the holding piece 8b and tightening it appropriately. For example, when the plate-like body 8 is inclined so that the opening 20 side of the plate-like body 8 is lowered, the water can easily flow toward the opening 20 and the plate-like body 8 is raised so that the opening 20 side is raised. When a slope is provided, a water pool is formed on the opposite side of the opening 20, and sand, mud, or the like is precipitated in the water pool portion, so that the frequency of cleaning the filter 25 (see FIG. 3) can be reduced. Note that the slope adjustment can be appropriately performed after the construction, and can be freely adjusted according to the situation such as the inflow amount of sand and mud.

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is.

  For example, in the above-described embodiment, the holding pieces 8b, 8b,... Are formed on the four sides of the plate-like body 8. However, the present invention is not limited thereto, and for example, holding pieces are formed at the four corners of the plate-like body. It is good also as a structure, and the engagement groove | channel in 2nd division body 4 'is good also as a structure formed in the four corners of an inner periphery according to this. Further, a configuration in which a holding piece is provided so as to protrude to the inner periphery of the second divided body 4 ′ and a groove is formed in the plate-like body may be employed.

  Further, the engaging grooves 15, 15,... May be formed at the lower end of the third divided body 6 instead of being formed at the upper end of the second divided body 4 '.

  The plate-like body 8 is not limited to being formed of concrete, but may be formed of metal, synthetic resin, or a combination thereof.

DESCRIPTION OF SYMBOLS 1 Rainwater infiltration trough 2 Water collecting part 3 Infiltration part 4 1st division body 4b 1st division body outer wall 4 '2nd division body 4b' 2nd division body outer wall 6 3rd division body 6d 3rd division body lower surface 7 Bottom member 8 Plate body 8a Plate body bottom surface 8b Holding piece 8c Plate body side surface 9 Lid member 9a Ceiling surface 9b Projection strip 9c Lid member opening 10 Manhole 15 Engaging groove (locking portion)
20 Opening 25 Filter 40 Lead-out hole 150A Engaging groove (locking part)
150B engagement groove (locking part)
S workspace

Claims (2)

A rainwater infiltration trough having a working space,
The rainwater permeation trough comprises a plurality of cylindrical divided bodies stacked one above the other and a plate-like body having an opening,
An infiltration portion having a plurality of holes is formed on the outer wall of the lower divided body, and an engagement groove that opens to the inside of the outer wall is formed at the lower end of the upper divided body and / or the upper end of the lower divided body. Is provided,
The plate-like body has a holding piece extending outward from an outer edge thereof, and the holding piece is fitted into the engagement groove, whereby a work space is formed above the plate-like body. and,
A thickness dimension of the holding piece is formed shorter than a depth dimension of the engaging groove so that an upper surface of the holding piece fitted into the engaging groove and a lower surface of the upper divided body are separated from each other. rainwater percolating box, characterized in that is. The rainwater infiltration trough according to claim 1, wherein the plate-like body has a slope adjusting means capable of adjusting a slope of the plate-like body.

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