JP6371614B2 - Rainwater penetration - Google Patents

Description

  The present invention relates to a rainwater infiltration maser that temporarily stores rainwater and permeates and discharges the stored rainwater into the ground.

Conventionally, rainwater permeating masu has been installed by embedding a bottomed cylindrical main body having through holes in the peripheral wall and bottom wall in the ground so as to be covered with crushed stone. Furthermore, as the rainwater permeation, the main body is covered with a water-permeable sheet made of a nonwoven fabric so that crushed stone is not required and easy construction is possible (for example, Patent Document 1 and Patent Document 2). ).
In addition, for the purpose of inspecting and cleaning the inside of the main body, the above-mentioned rainwater permeation is increasingly attached to the main body with a cover, a connection hole is provided in the cover, and a vertical pipe member is connected to the connection hole. Has been. The connection of the vertical pipe member to the connection hole is not particularly bonded, and the lower end portion of the vertical pipe member is inserted into the connection hole and formed on the inner peripheral surface of the connection hole. The structure which mounts on the step part and latches is employ | adopted.

JP 2007-32025 A JP 2009-24417 A

However, in the conventional rainwater infiltration method, since the standing pipe member is not bonded to the connection hole, the connection to the connection hole is unstable, and in particular, the rising length from the lid is long. It becomes easy to lose balance. In addition, there has been a problem in that the vertical pipe member may fall down and be detached from the main body or the lid body during the construction of the rainwater infiltration. In order to solve these problems, it has been proposed to increase the depth of the connection hole by increasing the thickness of the lid, or to insert the standpipe member further deeply into the main body from the connection hole. However, if the thickness of the lid is increased, the manufacturing cost increases, and the overall weight balance of the rainwater permeation becomes unstable due to the upper part, and the above-mentioned vertical pipe member is inserted deeply into the main body. And the capacity | capacitance which can store rainwater in the said main body will reduce, and the rainwater storage function will fall.
The present invention has been made paying attention to such problems existing in the prior art. The purpose of this is to provide a rainwater infiltration mast that can prevent the vertical pipe member from collapsing during construction.

In order to achieve the above-mentioned object, the rainwater infiltrating device according to claim 1 is embedded in the ground and has a bottomed cylindrical main body that temporarily stores rainwater in its interior space, A cover plate attached to the main body so as to close the upper surface opening, a connection hole formed so as to penetrate the cover plate, and a standing hole on the cover plate by being connected to the connection hole And a plate-like support seat placed on the upper surface of the lid plate, and a holding portion erected on the support seat, so that the standpipe member will fall down In this case, the holding member that suppresses the fall of the vertical tube member by bringing the holding portion into contact with the outer peripheral surface of the vertical tube member and supporting the support member with the support seat is provided on the upper surface of the lid plate. The gist is that it is installed at the periphery.
The invention described in claim 2 is the rainwater infiltration invention according to claim 1, wherein the cover plate is formed into a thin plate shape by being integrated with the main body by using a band-shaped binding material. The gist of the present invention is to extend the arm from the peripheral edge of the support seat in the lateral direction, and hang the binding material on the arm to fix the holding member to the lid plate.
The invention according to claim 3 is the rainwater infiltration invention according to claim 1 or claim 2, wherein a locking projection or a locking hole is provided on the lower surface of the support seat in the holding member, The gist is that a locking hole or a locking protrusion is provided on the upper surface of the lid plate so as to engage with the locking protrusion or the locking hole.

[Action]
The rainwater infiltrating masu of the present invention is provided with a holding member on the periphery of the connection hole on the upper surface of the cover plate that closes the upper surface opening of the main body. The holding member has a plate-like support seat placed on the upper surface of the lid plate, and a holding portion erected on the support seat. And when the said standpipe member is going to fall at the time of construction, the holding part of this holding member is contact | abutted to the outer peripheral surface of the said standpipe member, and the said standpipe member by the said support seat via this holding part It is possible to suppress the riser member from falling down by supporting the.
In addition, when rainwater infiltrates the cover plate with the main body using a band-shaped binding material, an arm is extended laterally from the periphery of the support seat of the holding member, and the binding material is attached to the arm. , The holding member is fixed to the lid plate.
Further, by providing a locking projection or a locking hole on the lower surface of the support seat, and providing a locking hole or a locking projection on the upper surface of the lid plate so as to engage with the locking projection or the locking hole, The holding portion of the holding member can be easily aligned with the periphery of the connection hole provided in the lid plate.

〔effect〕
When the rainwater penetration of the present invention is used, it is possible to prevent the vertical pipe member from falling during construction.

(A) which shows the rainwater penetration masu of 1st Embodiment is a front view, (b) is a top view. (A) is a partial expanded sectional view which shows the state before attaching a standing pipe member, (b) is the partial enlarged sectional view which shows the state after attaching a standing pipe member (A) which shows the holding member of embodiment is a top view, (b) is a front view. (A) of embodiment is a bottom view which shows a holding member, (b) is a top view which shows a cover plate. The front view which shows the rainwater penetration masu of 2nd Embodiment. (A) of another form is a top view which shows a holding member, (b) is a top view which shows a cover plate. The front view which shows the holding member of another form.

[First Embodiment]
Hereinafter, a first embodiment of the present invention embodying a rainwater permeating apparatus will be described.
As shown in FIGS. 1 (a) and 1 (b), the rainwater infiltration mast 10 is provided with a main body 11 buried in the ground. The main body 11 is formed in a bottomed rectangular tube shape by a bottom plate and a plurality of side walls erected on the periphery of the bottom plate. A rainwater inlet 11A is formed through a part of the side wall of the main body 11, and rainwater flows into the main body 11 from a rainwater inflow pipe (not shown) connected to the rainwater inlet 11A. Stored. A plurality of water-permeable holes 11B are formed through the side wall and bottom plate of the main body 11 so as to discharge rainwater stored in the main body 11 into the ground.
The main body 11 is covered with a water-permeable sheet 12 so that pebbles, earth and sand, etc. do not enter the main body 11 from the plurality of water-permeable holes 11B. The water-permeable sheet 12 is made of a water-permeable material such as a nonwoven fabric, a water-permeable film, a woven fabric, a knitted fabric, etc., and allows rainwater to be discharged from the inside of the main body 11 to the outside through the water-permeable holes 11B. In addition, pebbles, earth and sand, etc. will be restricted from entering the inside of the main body 11 from the outside.

A lid plate 13 is attached to the main body 11 so as to close the upper surface opening of the main body 11. The lid plate 13 is formed in a square shape in plan view, and a connection hole 14 is formed through the center of the lid plate 13. The lower end portion of the standing tube member 15 is inserted into the connection hole 14 of the lid plate 13.
As shown in FIG. 2 (a), a fitting groove 13A is recessed in the peripheral edge portion of the lower surface of the lid plate 13, and the water-permeable sheet folded back at the upper end of the side wall in the fitting groove 13A. 12, the upper end of the side wall is inserted.
As shown in FIG. 2B, a locking step 14A is provided on the inner peripheral surface of the connection hole 14 by projecting the lower portion to the inside of the connection hole 14, The lower end of the vertical tube member 15 is supported by the locking step 14A.
The vertical tube member 15 has a cylindrical shape, and the length is appropriately adjusted in accordance with the height from the upper surface of the cover plate 13 to the ground surface. As shown in FIGS. 1 (a) and 1 (b), the upper end of the riser member 15 is closed by a lid 15A, and the lid 15A is opened during maintenance or the like. The internal state can be confirmed.
Further, the cover plate 13 is bundled with the main body 11 by a pair of right and left belt-like binding materials 16 and is prevented from coming off from the main body 11.

A holding member 20 is installed on the upper surface of the lid plate 13. As shown in FIGS. 3A and 3B, the holding member 20 includes an annular plate-like support seat 21 and a cylindrical holding portion 22 erected from the inner peripheral edge of the support seat 21. ,have.
A thin plate-like arm 23 extends in the lateral direction from the peripheral edge of the support seat 21. The holding member 20 is fixed to the cover plate 13 that is bundled with the main body 11 by the binding material 16 being hung on the arm (see FIG. 1B).
Further, a convex portion 23A is provided at the tip of the arm, and the binding material 16 hung on the arm is prevented from coming off from the arm by hitting the convex portion 23A. .

As shown in FIG. 4A, in the holding member 20, the length of the arm 23 is set such that the tip (convex portion 23 </ b> A) of the arm 23 does not protrude outward from the peripheral edge of the lid plate 13. It is set to be.
In the holding member 20, a plurality of locking protrusions 24 are provided on the lower surface of the support seat 21. The plurality of locking projections 24 are arranged at intervals of 90 degrees with respect to the center of the pitch circle P1 so that the centers thereof are located on the circumference of the pitch circle P1 indicated by a one-dot chain line in the drawing. In total, four are provided. Two of the four locking projections 24 are arranged such that a line Q1 connecting the centers indicated by a two-dot chain line in the drawing is in the same direction as the direction in which the arm 23 extends.
As shown in FIG. 4B, a plurality of locking holes 25 are provided on the upper surface of the lid plate 13 so as to be in positions corresponding to the locking protrusions 24. That is, the locking holes 25 are arranged at the centers of the pitch circles P2 so that the centers of the pitch circles P2 have the same diameter as that of the pitch circle P1 (shown by a dashed line in the drawing). Are arranged at intervals of 90 degrees with reference to, so that a total of four are provided. In addition, the four locking holes 25 have a line Q2 (indicated by a two-dot chain line in the figure) connecting a pair of opposite centers with respect to the center of the pitch circle P2 as one of the peripheral edges of the lid plate 13. It arrange | positions so that it may become parallel with the sides 13B and 13C.

When the locking projection 24 and the locking hole 25 are engaged with each other, the holding member 20 is positioned and arranged on the periphery of the connection hole 14 on the upper surface of the lid plate 13, and the connection The positional deviation from the periphery of the hole 14 is suppressed.
Further, a line Q1 connecting the centers of the two locking projections 24 is the same direction as the extending direction of the arm 23, and a line Q2 connecting the centers of the pair of opposing locking holes 25 is the peripheral edge of the lid plate 13. By being parallel to any of the sides 13B and 13C, the extending direction of the arm 23 is parallel to any of the sides 13B and 13C of the peripheral edge of the lid plate 13.
That is, no matter what orientation the holding member 20 is attached to the lid plate 13, as long as the engagement protrusion 24 and the engagement hole 25 are engaged with each other, the direction in which the arm 23 extends is It is parallel to any side 13B, 13C of the cover plate 13. Since the binding material 16 is hung so as to cross between the sides 13B, 13B or the sides 13C, 13C of the lid plate 13, the binding material 16 can be reliably hung on the arm 23, and the holding The member 20 can be firmly attached to the lid plate 13.

In the rainwater infiltration tank 10, the vertical pipe member 15 is attached to the connection hole 14 in a state where the holding member 20 is installed on the lid plate 13. For this reason, the lower end portion of the vertical tube member is inserted inside the holding portion 22 and the connection hole 14 of the holding member 20.
In the holding member 20, the inner diameters of the support seat 21 and the holding portion 22 are set to be substantially equal to the diameter of the connection hole 14. Accordingly, when the vertical tube member 15 is about to fall down, the holding portion 22 is brought into contact with the outer peripheral surface of the vertical tube member 15, and the support seat 21 is supported through the holding portion 22. The fall of the vertical pipe member 15 is prevented.
The rainwater permeating mast 10 provided with the holding member 20 can be realized by slightly changing the design of the lid plate 13 as compared with the existing rainwater permeating mast, and the manufacturing cost can be reduced. In addition, since the holding member 20 is a separate member from the lid plate 13, there is no need to dispose of the existing rainwater infiltrating tank that does not have the holding member 20. It is also possible to add.

[Second Embodiment]
Hereinafter, a second embodiment of the present invention embodying a rainwater infiltration mask will be described. In the following embodiments, differences from the first embodiment will be mainly described.
As shown in FIG. 5, in the rainwater infiltration mast 10 of this embodiment, the main body 11 is configured by omitting the rainwater inlet 11A. Further, the standing pipe member 15 is constituted by a lower portion water conduit connecting cylinder 15B and an upper portion adjuster 15C, and an upper end opening of the adjuster 15C is closed by a lid 15A.
A water conduit (not shown) for collecting rain water is connected to the water conduit connection cylinder 15B, and the rain water is further fed into the main body 11 through the water conduit connection cylinder 15B. And stored. Further, a basket (not shown) for trapping and removing mud and dust in rainwater is interposed between the water conduit connecting cylinder 15B and the connection hole 14.
The adjuster 15C has a cylindrical shape, and the length is appropriately adjusted according to the height from the upper surface of the cover plate 13 to the ground surface. Then, at the time of maintenance or the like, the lid 15A is opened, and mud and dust accumulated in the basket (not shown) can be removed.
As in the case of the rainwater penetration mast 10, the pipe member 15 having the conduit pipe connection tube 15B is heavy at the top and easily loses balance. Therefore, the conduit tube connection tube 15B is easily detached from the cover plate 13 in the conventional case. However, if it is a thing of this embodiment, since the water conduit connecting cylinder 15B can be supported suitably with the said holding member 20, it suppresses that the water conduit connecting cylinder 15B which is the standing pipe member 15 falls down at the time of construction. Can do.

[Example of change]
The rainwater penetration mast 10 of the present invention is not limited to the above-described configuration, and may be modified as follows.
As shown in FIG. 6 (a), four ribs 22A may be provided on the inner peripheral surface of the holding portion 22 of the holding member 20, or in the lid plate 13 as shown in FIG. 6 (b). Four ribs 14 </ b> B may be provided on the inner peripheral surface of the connection hole 14. By providing such ribs 14B and 22A, when the vertical tube member 15 is slightly deformed, the inner surface of the holding portion 22 of the holding member 20 is formed on the outer peripheral surface of the deformed vertical tube member 15. Since the peripheral surface or the inner peripheral surface of the connection hole 14 of the lid plate 13 can be reliably brought into contact with the ribs 14B and 22A, the vertical tube member 15 can be brought into contact with the holding member 20 or the lid plate 13. The connection hole 14 can be firmly held. It is desirable that three or more ribs 14B and 22A be provided from the viewpoint of reliably contacting the outer peripheral surface of the riser member 15, and the riser member 15 with respect to the holding member 20 and the connection hole 14 is provided. It is desirable to provide it so as to extend in the vertical direction along the insertion direction.
The holding portion 22 of the holding member 20 is not necessarily formed in a cylindrical shape, and as shown in FIG. 7, the holding portion 22 is configured by a plurality of holding pieces 22 </ b> B erected from the upper surface of the support seat 21. May be.
A locking hole 25 may be provided in the support seat 21 of the holding member 20, and a locking projection 24 may be provided on the upper surface of the lid plate 13.
In the holding member 20 and the lid plate 13, the locking projections 24 and the locking holes 25 are omitted, and the support seat 21 of the holding member 20 is bonded to the peripheral edge of the connection hole 14 of the lid plate 13, welded, etc. You may join by the method of.
The arm 23 may be omitted from the holding member 20.
The main body 11 is not necessarily limited to a bottomed rectangular tube shape, and may be a bottomed cylindrical shape or a bottomed triangular tube shape as long as it has a bottomed cylindrical shape capable of storing rainwater therein. Also, it may be a bottomed polygonal cylinder such as a pentagonal cylinder or a hexagonal cylinder. For example, when the main body 11 has a bottomed cylindrical shape, it is desirable that the cover plate 13 has a shape corresponding to the main body 11, such as a disc shape.

DESCRIPTION OF SYMBOLS 10 Rainwater penetration 11 Mass body 13 Cover plate 14 Connection hole 15 Standing pipe member 16 Bundling material 20 Holding member 21 Support seat 22 Holding part 23 Arm 24 Locking protrusion 25 Locking hole

Claims (2)

A bottomed cylindrical main body that is buried in the ground and temporarily stores rainwater in its interior space, a cover plate attached to the main body so as to close the upper surface opening of the main body, the cover plate A connecting hole formed so as to penetrate the connecting hole, and a standing tube member erected on the lid plate by being connected to the connecting hole,
A plate-like support seat placed on the upper surface of the lid plate, and a holding portion erected on the support seat, and when the stand-up member is about to fall down, A holding member that suppresses the fall of the vertical tube member by bringing the holding portion into contact with an outer peripheral surface and supporting it with the support seat is installed on the periphery of the connection hole on the upper surface of the lid plate,
The lid plate is bundled with the main body by using a band-shaped binding material,
A thin plate-like arm extends laterally from the peripheral edge of the support seat, and the holding member is fixed to the lid plate by hanging the binding material on the arm to infiltrate rainwater. A locking projection or a locking hole is provided on the lower surface of the support seat in the holding member, and a locking hole or a locking hole is formed on the upper surface of the lid so as to engage with the locking projection or the locking hole. The rainwater infiltration according to claim 1, wherein the locking projection is provided.

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