JP2014034770A - Cover filter, and pipe connection method for underground water storage facility - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cover filter which prevents water from leaking from a pipe connection part of an underground water storage facility where rain water and the like is stored or impregnated and prevents sediment from flowing into the inside of the facility, and a connection method using the cover filter.SOLUTION: A cover filter 10 covers a pipe connection part of a pipe 100 for flowing rain water and the like into or from an underground water storage facility 200 where rain water and the like is stored or impregnated and the underground water storage facility 200. The cover filter 10 has an adhesion part 11 adhered to the pipe connection part and a collar part 12 into which the pipe 100 is inserted. The cover filter 10 is inserted into and mounted to the pipe 100, the adhesion part 11 of the cover filter 10 is adhered to the pipe connection part where a connection hole 201 is formed, and the collar part 12 and an end part of the pipe 100 are bound together.

Description

  The present invention relates to a cover filter used in an underground water storage facility that stores or infiltrates rainwater or the like in a residential area, a park, a parking lot, a factory site, or the like, and a pipe connection method for an underground water storage facility using the cover filter.

  In recent years, underground water storage facilities that store or infiltrate rainwater and the like have been constructed in urban areas to prevent flooding of houses and rivers due to heavy rain. In urban areas where most of the ground surface is covered with impervious surfaces such as buildings and pavements, there is an increased risk that rainwater will not penetrate underground and flow into the lowlands, flooding houses and flooding rivers. . Also, the amount of water used is increasing year by year, and there is a risk of water shortage if the rainfall at the water source is small. Therefore, as a countermeasure against water, rainwater is stored for a certain period of time and then discharged sequentially into rivers, etc., and actively infiltrated underground, preventing flooding of rivers due to rainwater, etc. Storage and penetration facilities such as rainwater are being constructed to pump up and use temporarily stored rainwater.

  Examples of such underground water storage facilities such as rainwater are described in “Rainwater storage device” described in Japanese Patent Application Laid-Open No. 2000-160606 and “Underground storage and / or infiltration tank” described in Japanese Patent Application Laid-Open No. 2005-002620. There is. These facilities are formed, for example, by digging the ground to form a tank portion and filling the tank portion with a filling member.

JP 2000-160606 A JP-A-2005-002620

  In such underground water storage facilities that store or infiltrate rainwater, etc., pipes for inflow or outflow of rainwater, etc., and pipes for inspection of the inside of the facility are connected. In addition, there is a risk that sediment will flow into the facility.

  The present invention has been made in view of the present situation, and a cover filter that prevents leakage of water from a pipe connection part of an underground water storage facility that stores or infiltrates rainwater or the like, and prevents sediment from flowing into the facility, and The purpose is to provide a pipe connection method for underground water storage facilities.

  In order to solve the above-described problems and achieve the object, the present invention is configured as follows.

  Invention of Claim 1 is a cover filter which covers the pipe for inflow or outflow of rainwater etc. inside the underground water storage facility which stores or infiltrates rainwater etc., and the pipe connection part of the underground water storage facility, A cover filter having an adhesive portion bonded to a pipe connection portion and a flange portion into which the pipe is inserted.

  According to a second aspect of the present invention, the adhesive portion and the collar portion are separately formed of a non-woven fabric or a woven fabric, and an end portion of the collar portion is bonded around a through hole formed in the adhesive portion. The cover filter according to claim 1.

  The invention according to claim 3 is characterized in that the adhesion portion has an adhesion region surrounded by a circle having a diameter not less than the outer periphery of the pipe and not less than 1.5 times the diameter of the pipe. The cover filter according to claim 1 or claim 2.

  According to a fourth aspect of the present invention, in the cover filter according to the first or second aspect, the collar portion has a length equal to or longer than the diameter of the pipe.

  According to a fifth aspect of the present invention, a connection hole for connecting a pipe for inflow or outflow of rainwater or the like is formed in an underground water storage facility for storing or infiltrating rainwater or the like, and an end portion of the pipe is formed in the connection hole. Inserting and connecting to the underground water storage facility, inserting and fixing a wedge between the connection hole and the pipe, using the cover filter according to any one of claims 1 to 4, The cover filter is inserted into the pipe and assembled, and the adhesive part of the cover filter is bonded to the pipe connection part in which the connection hole is formed, and the collar part of the cover filter and the end part of the pipe are bound. This is a pipe connection method for underground water storage facilities.

  According to a sixth aspect of the present invention, a connection hole for connecting a pipe for inflow or outflow of rainwater or the like is formed in an underground water storage facility for storing or infiltrating rainwater or the like, and an end of the pipe is formed in the connection hole. Inserted and connected to the underground water storage facility, and using the cover filter according to any one of claims 1 to 4, the cover filter was inserted into the pipe and assembled to form the connection hole. A pipe connection method for an underground water storage facility, wherein an adhesive portion of the cover filter is bonded to a pipe connection portion, and a collar portion of the cover filter and an end portion of the pipe are bound.

  According to a seventh aspect of the present invention, in the underground water storage facility for storing or infiltrating rainwater or the like, a connection hole for connecting a pipe for inflow or outflow of rainwater or the like is formed, and any one of the first to fourth aspects is formed. The cover filter according to claim 1, wherein an adhesive portion of the cover filter is bonded to a pipe connection portion in which the connection hole is formed, and an end portion of the pipe is inserted into a collar portion of the cover filter to A pipe connection method for an underground water storage facility, wherein the pipe is connected to a water storage facility, and the flange portion of the cover filter and the end portion of the pipe are bound.

  With the above configuration, the present invention has the following effects.

  In the invention according to any one of claims 1 to 7, a connection hole for connecting a pipe for inflow or outflow of rainwater or the like is formed in an underground water storage facility for storing or infiltrating rainwater or the like. By using the cover filter according to any one of 4 and bonding the adhesive part of the cover filter to the pipe connection part in which the connection hole is formed, and binding the collar part of the cover filter and the end part of the pipe, It is possible to prevent water from leaking from the pipe connection part and earth and sand from flowing into the facility.

It is a front view of a cover filter. It is a side view of a cover filter. It is a rear view of a cover filter. It is sectional drawing of a cover filter. It is sectional drawing of other embodiment of a cover filter. It is a figure explaining 1st Embodiment of the pipe connection construction method of an underground water storage facility. It is a figure explaining 2nd Embodiment of the pipe connection construction method of an underground water storage facility. It is a figure explaining 3rd Embodiment of the pipe connection construction method of an underground water storage facility. It is a figure explaining embodiment of a penetration facility. It is a figure explaining other embodiment of an infiltration facility. It is a figure explaining embodiment of a storage facility.

  Hereinafter, embodiments of the cover connection method and the pipe connection method for underground water storage facilities according to the present invention will be described. The embodiment of the present invention shows the most preferable mode of the present invention, and the present invention is not limited to this.

  The underground water storage facility according to this embodiment is a facility that stores or infiltrates rainwater or the like in a residential area, a park, a parking lot, a factory site, or the like.

(Cover filter)
The cover filter of this embodiment will be described with reference to FIGS. 1 is a front view of a cover filter, FIG. 2 is a side view of the cover filter, FIG. 3 is a rear view of the cover filter, FIG. 4 is a sectional view of the cover filter, and FIG. 5 is a sectional view of another embodiment of the cover filter. It is.

  The cover filter 10 covers a pipe 100 for flowing rainwater or the like into or out of an underground water storage facility that stores or infiltrates rainwater or the like, and a pipe connection part 110 of the underground water storage facility. It has the adhesion part 11 adhere | attached on 110, and the collar part 12 in which the pipe 100 is inserted.

  The adhesion part 11 and the collar part 12 are formed by separately forming a nonwoven fabric or a woven fabric, and the end part 12 a of the collar part 12 is adhered to the periphery of the through hole 11 a formed in the adhesion part 11. For the nonwoven fabric or woven fabric, a resin such as polypropylene (PP), polyethylene terephthalate (PET), or polyvinyl chloride (PVC) is used.

  In the embodiment shown in FIGS. 1 to 4, the end portion 12a of the collar portion 12 is inserted into the through hole 11a formed in the adhesive portion 11, and the inserted end portion 12a is spread outward to form the through hole 11a. Adhering to the periphery. In the embodiment of FIG. 5, the end portion 12 a of the collar portion 12 is spread outward, and the widened end portion 12 a is bonded to the periphery of the through hole 11 a formed in the bonding portion 11. Alternatively, the periphery of the through hole 11 a formed in the bonding portion 11 may be raised outward and bonded to the end portion 12 a of the collar portion 12.

  The structure for adhering the end portion 12a of the collar portion 12 to the periphery of the through hole 11a formed in the adhesion portion 11 is not particularly limited, and as an adhesion method, an adhesive, fusion, sewing, or the like can be used. it can.

  The bonding portion 11 has a square outer shape, a sheet shape, and has an adhesion region E1 that is not less than the outer periphery of the pipe 100 and is surrounded by a circle having a diameter L2 that is 1.5 times the diameter L1 of the pipe 100. By having the adhesion region E1, the adhesion portion 11 can be reliably adhered to the pipe connection portion 110 of the underground water storage facility. Moreover, the collar part 12 is the length L3 more than the diameter L1 of the pipe 100. FIG. The brim portion 12 can ensure the binding length with the pipe 100 by having the length L3.

  Using the cover filter 10 of this embodiment, the adhesive portion 11 of the cover filter 10 is adhered to the pipe connection portion 110 of the underground water storage facility, and the collar portion 12 of the cover filter 10 and the end portion of the pipe 100 are bound. Thus, it is possible to prevent water leakage from the pipe connection portion 100 and earth and sand from flowing into the facility.

(Pipe connection method for underground water storage facilities)
[First embodiment]
A first embodiment of the pipe connection method for the underground water storage facility will be described with reference to FIG. In the pipe connection method of the underground water storage facility of this embodiment, the connection hole 201 for connecting the pipe 100 for inflow or outflow of rainwater or the like is formed in the underground water storage facility 200 such as rainwater (FIG. 6A). .

  The underground water storage facility 200 includes a permeation facility and a storage facility. In this embodiment, the permeation facility is shown. In the infiltration facility as the underground water storage facility 200, a protective sheet 211 is provided on the side plate 210, and a connection hole 201 for connecting the pipe 100 to the side plate 210 and the protective sheet 211 is formed. The connection hole 201 is formed by drawing out at the site where the underground water storage facility 200 is constructed.

  The end of the pipe 100 is inserted into the connection hole 201 to be connected to the underground water storage facility 200, and a wedge 900 is driven and inserted between the connection hole 201 and the pipe 100 to be fixed (FIG. 6B). There may be one place or a plurality of places where the wedge 90 is driven and inserted, but if there are three places at regular intervals, the wedge 90 can be easily and stably fixed. The wedge 90 can be formed of resin, wood, metal or the like.

  Using the cover filter 10 described above, the cover filter 10 is inserted and assembled into the pipe 100, and the adhesive portion 11 of the cover filter 10 is adhered to the protective sheet 211 of the pipe connection portion 110 in which the connection hole 201 is formed (FIG. 6). (C)). As the bonding method, an adhesive, fusion, double-sided adhesive tape, or the like can be used.

  Next, the flange portion 12 of the cover filter 10 and the end portion of the pipe 100 are bound (FIG. 6D). As this bundling method, a caulking process such as filling with an adhesive between the collar portion 12 of the cover filter 10 and the end portion of the pipe 100, and bundling using a bundling tool 13 such as a metal band, a resin band, a string or the like. To do.

  As described above, the connection hole 201 for connecting the pipe 100 for inflow or outflow of rainwater or the like is formed in the underground water storage facility 200 for storing or infiltrating rainwater or the like, and the connection hole 201 is formed using the cover filter 10. By adhering the adhesive part 11 of the cover filter 10 to the pipe connection part 110 and binding the flange part 12 of the cover filter 10 and the end part of the pipe 100, water leaks from the pipe connection part 110, or earth and sand. Can be prevented from flowing into the facility.

[Second Embodiment]
A second embodiment of the pipe connection method for the underground water storage facility will be described with reference to FIG. In the pipe connection method of the underground water storage facility of this embodiment, the connection hole 201 for connecting the pipe 100 for inflow or outflow of rainwater or the like is formed in the underground water storage facility 200 such as rainwater (FIG. 7A). .

  The underground water storage facility 200 includes an infiltration facility and a storage facility. In this embodiment, the infiltration facility is shown as in the first embodiment, and the connection hole 201 connecting the pipe 100 to the side plate 210 and the protective sheet 211 is provided. Form.

  The end of the pipe 100 is inserted into the connection hole 201 and connected to the underground water storage facility 200, and unlike the first embodiment, it is fixed without driving a wedge between the connection hole 201 and the pipe 100 (FIG. 6). (B)).

  Using the cover filter 10 described above, the cover filter 10 is inserted and assembled into the pipe 100, and the adhesive portion 11 of the cover filter 10 is adhered to the protective sheet 211 of the pipe connection portion 110 in which the connection hole 201 is formed (FIG. 6). (C)), the flange portion 12 of the cover filter 10 and the end portion of the pipe 100 are bound (FIG. 6D). This bonding and binding method is the same as that in the first embodiment.

  As described above, the connection hole 201 for connecting the pipe 100 for inflow or outflow of rainwater or the like is formed in the underground water storage facility 200 for storing or infiltrating rainwater or the like, and the connection hole 201 is formed using the cover filter 10. By adhering the adhesive part 11 of the cover filter 10 to the pipe connection part 110 and binding the flange part 12 of the cover filter 10 and the end part of the pipe 100, water leaks from the pipe connection part 110, or earth and sand. Can be prevented from flowing into the facility.

[Third embodiment]
A third embodiment of the pipe connection method for the underground water storage facility will be described with reference to FIG. In the pipe connection method of the underground water storage facility of this embodiment, the connection hole 201 for connecting the pipe 100 for inflow or outflow of rainwater or the like is formed in the underground water storage facility 200 such as rainwater (FIG. 8A). .

  The underground water storage facility 200 includes an infiltration facility and a storage facility. In this embodiment, the infiltration facility is shown as in the first embodiment, and the connection hole 201 connecting the pipe 100 to the side plate 210 and the protective sheet 211 is provided. Form.

  Using the cover filter 10 described above, the adhesive portion 11 of the cover filter 10 is adhered to the protective sheet 211 of the pipe connection portion 110 in which the connection hole 201 is formed (FIG. 8B), and the collar portion 12 of the cover filter 10 is adhered. Then, the end of the pipe 100 is inserted and connected to the infiltration facility as the underground water storage facility 200 (FIG. 6C), and the flange 12 of the cover filter 10 and the end of the pipe 100 are bound (FIG. 6 ( d)). This bonding and binding method is the same as that in the first embodiment.

  As described above, the connection hole 201 for connecting the pipe 100 for inflow or outflow of rainwater or the like is formed in the underground water storage facility 200 for storing or infiltrating rainwater or the like, and the connection hole 201 is formed using the cover filter 10. The adhesive part 11 of the cover filter 10 is adhered to the pipe connecting part 110, the end part of the pipe 100 is inserted into the collar part 12 of the cover filter 10 and connected to the underground water storage facility 200, and the collar part 12 of the cover filter 10 is connected. By binding the end of the pipe 100 and the end of the pipe 100, it is possible to prevent water leakage from the pipe connection section 110 and prevent the earth and sand from flowing into the facility.

(Form of underground water storage facility)
Next, the form of the underground water storage facility will be described with reference to FIGS. FIG. 9 is a diagram illustrating an embodiment of an infiltration facility, FIG. 10 is a diagram illustrating another embodiment of an infiltration facility, and FIG. 11 is a diagram illustrating an embodiment of a storage facility.

  In the embodiment of the infiltration facility of FIG. 9, the water permeable sheet 301 is provided so as to cover the side portion and the upper portion from the bottom of the infiltration facility 300. The inspection pipe 120 is connected to the upper plate 302 of the infiltration facility 300 using the cover filter 10 at the construction site. The inflow pipe 130 is connected to the flat plate 303 on the side of the infiltration facility 300 using the cover filter 10 at the construction site.

  In the embodiment of the infiltration facility of FIG. 10, a water permeable sheet 301 is provided so as to cover the side portion and the upper portion from the bottom of the infiltration facility 300. The inflow pipe 140 is connected to the flat plate 304 on one side of the infiltration facility 300 using the cover filter 10 at the construction site, and the outflow pipe 150 is connected to the flat plate 305 on the other side using the cover filter 10 at the construction site. , And the water overflows from the outflow pipe 150.

  In the embodiment of the storage facility of FIG. 11, a water-impervious sheet 401 is provided so as to cover the side from the bottom of the storage facility 400, and further the water-permeable sheet 401 on the side from the bottom and the water-permeable sheet 402 so as to cover the top. Is provided. The inflow pipe 160 is connected to the flat plate 403 on one side of the storage facility 400 using the cover filter 10 at the construction site, and the outflow pipe 170 is connected to the flat plate 404 on the other side using the cover filter 10 at the construction site. And water is discharged from the outflow pipe 170.

  The present invention can be applied to a cover filter used in an underground water storage facility that stores or infiltrates rainwater in residential areas, parks, parking lots, factory sites, etc., and a pipe connection method of an underground water storage facility using the cover filter. This prevents water leakage from the pipe connection of underground water storage facilities that store or infiltrate etc., and earth and sand from flowing into the facilities.

DESCRIPTION OF SYMBOLS 10 Cover filter 11 Adhesion part 11a Through-hole 12 formed in adhesion part 11 Collar part 12a End part 13 of brim part 12 Bundling tool 90 Wedge 100 Pipe 110 Pipe connection part 200 Connection for connecting pipe 100 to underground water storage facilities 201 such as rainwater Hole 210 Side plate 211 Protective sheet

Claims (7)

A pipe for inflowing or outflowing rainwater into an underground water storage facility for storing or penetrating rainwater and the like, and a cover filter covering a pipe connection portion of the underground water storage facility,
An adhesive portion bonded to the pipe connection portion;
A collar portion into which the pipe is inserted;
A cover filter comprising: The adhesive portion and the collar portion are separately formed of a nonwoven fabric or a woven fabric,
The cover filter according to claim 1, wherein an end portion of the collar portion is bonded around a through-hole formed in the bonding portion.   3. The cover according to claim 1, wherein the adhesive portion has an adhesive region that is not less than an outer periphery of the pipe and is surrounded by a circle having a diameter of 1.5 times or more the diameter of the pipe. filter.   The cover filter according to claim 1, wherein the collar portion has a length equal to or greater than a diameter of the pipe. In the underground water storage facility that stores or infiltrates rainwater, etc., a connection hole that connects a pipe for inflow or outflow of rainwater, etc. is formed,
Insert the end of the pipe into the connection hole and connect to the underground water storage facility,
Insert and fix a wedge between the connection hole and the pipe,
Using the cover filter according to any one of claims 1 to 4,
Insert the cover filter into the pipe and assemble it,
Adhering the adhesive part of the cover filter to the pipe connection part in which the connection hole is formed,
A pipe connection method for an underground water storage facility, wherein a flange portion of the cover filter and an end portion of the pipe are bound. In the underground water storage facility that stores or infiltrates rainwater, etc., a connection hole that connects a pipe for inflow or outflow of rainwater, etc. is formed,
Insert the end of the pipe into the connection hole and connect to the underground water storage facility,
Using the cover filter according to any one of claims 1 to 4,
Insert the cover filter into the pipe and assemble it,
Adhering the adhesive part of the cover filter to the pipe connection part in which the connection hole is formed,
A pipe connection method for an underground water storage facility, wherein a flange portion of the cover filter and an end portion of the pipe are bound. In the underground water storage facility that stores or infiltrates rainwater, etc., a connection hole that connects a pipe for inflow or outflow of rainwater, etc. is formed,
Using the cover filter according to any one of claims 1 to 4,
Adhering the adhesive part of the cover filter to the pipe connection part in which the connection hole is formed,
Inserting the end of the pipe into the collar of the cover filter and connecting it to the underground water storage facility,
A pipe connection method for an underground water storage facility, wherein a flange portion of the cover filter and an end portion of the pipe are bound.