JP7252706B2 - Plumbing material for temporary toilets - Google Patents

Description

TECHNICAL FIELD The present invention relates to a plumbing member for temporary toilets used in the event of a disaster.

In recent years, a plumbing structure for temporary toilets has been proposed that allows multiple temporary toilets to be installed in evacuation areas such as schools and disaster prevention parks in the event of a disaster such as an earthquake (see, for example, Patent Document 1). In this temporary toilet piping structure, a horizontal drainage pipe is buried in the ground and extends in the horizontal direction, and the horizontal drainage pipe is connected to the horizontal drainage pipe with a space therebetween and has an upper end that opens to the ground surface. It has a plurality of vertical pipes in which a . It also has a manhole to which one end of a horizontal drainage pipe is connected, and an outflow pipe that connects the manhole and an existing sewage pipe and discharges the filth and fluid in the manhole to the sewage pipe. Furthermore, a water storage gate (valve device) is provided for opening and closing the opening at one end of the horizontal drainage pipe protruding into the manhole.

Japanese Patent No. 4104197

By the way, in the above-mentioned temporary toilet piping structure, the outflow pipe is connected through the manhole connected to the horizontal drainage pipe, which makes the structure large and difficult to make compact. In addition, when installing in disaster prevention parks, etc., the distance from the installation location to the sewage pipe may be long, so it is difficult to secure the pipe gradient at the current burial depth, so shallow burial is recommended. become necessary.

SUMMARY OF THE INVENTION An object of the present invention is to provide a plumbing member for a temporary toilet that can be made compact and buried in a shallow layer.

In the temporary toilet piping member of the present invention, a horizontal drainage pipe connecting portion to which a downstream end of a horizontal drainage pipe buried in the ground in a horizontal direction is connected, and an outflow pipe connected to a sewage pipe are connected, It is characterized by comprising an outflow pipe connecting portion that is installed in the horizontal drainage pipe connecting portion, and a valve opening/closing mechanism that is provided at an upstream end portion of the outflow pipe connecting portion.

Further, the piping member for a temporary toilet of the present invention is characterized in that the upstream end portion of the outflow pipe connecting portion has an oblique shape in which the upper portion is positioned downstream with respect to the lower portion.

Moreover, the piping member for temporary toilets of this invention is characterized by equipping the inner peripheral surface of the upstream side of the said outflow pipe connection part with a water stop structure of a lower side.

Moreover, the piping member for temporary toilets of this invention is characterized by equipping the periphery of the upstream end part of the said outflow pipe connection part with a baffle plate.

ADVANTAGE OF THE INVENTION According to this invention, the plumbing member for temporary toilets which can be made compact and can be embedded shallowly can be provided.

It is a longitudinal section of the plumbing structure for temporary toilets concerning a 1st embodiment. It is a figure which shows the riser pipe|tube and vertical pipe|tube of the plumbing structure for temporary toilets which concerns on 1st Embodiment. It is a longitudinal cross-sectional view of the plumbing structure for temporary toilets which concerns on 2nd Embodiment. It is a vertical cross-sectional view of the plumbing structure for temporary toilets which concerns on 3rd Embodiment. It is a longitudinal cross-sectional view of the plumbing structure for temporary toilets which concerns on 4th Embodiment. It is a figure which shows the water stop structure which the outflow pipe of the piping structure for temporary toilets which concerns on 4th Embodiment has. It is a figure which shows the baffle plate provided in the piping structure for temporary toilets which concerns on 5th Embodiment. It is a figure which shows the baffle plate provided in the plumbing structure for temporary toilets which concerns on 6th Embodiment. It is a longitudinal cross-sectional view of the plumbing structure for temporary toilets provided with the plumbing member for temporary toilets which concerns on 7th Embodiment. It is a longitudinal cross-sectional view of the plumbing member for temporary toilets which concerns on 7th Embodiment.

Hereinafter, a temporary toilet piping structure according to an embodiment will be described with reference to the drawings. FIG. 1 is a vertical cross-sectional view of a temporary toilet piping structure according to a first embodiment. As shown in FIG. 1, the temporary toilet piping structure 2 includes a horizontal drainage pipe 4 buried in the ground along the horizontal direction, that is, along the ground surface 3, and a horizontal drainage pipe 4 along its longitudinal direction. A plurality of vertical pipes 5 connected to each other at intervals and extending in the vertical direction, a riser pipe 6 connected to the downstream end of the horizontal drainage pipe 4 and extending in the vertical direction, and a vertical drainage pipe 4. and a valve opening/closing mechanism 8 provided at the upstream end of the outflow pipe 7 .

The horizontal drain pipe 4 is formed of a synthetic resin pipe, and its upstream end is closed with a pipe end adhesive water stop cap 4a. Six vertically extending vertical pipes 5 are connected to the upper portion of the horizontal drainage pipe 4 at intervals along the longitudinal direction of the horizontal drainage pipe 4 .

FIG. 2 shows the vertical pipe 5 (the other vertical pipes 5 have the same configuration) and the riser pipe 6 located on the most downstream side of the horizontal drain pipe 4 . As shown in this figure, the vertical pipe 5 is connected to the horizontal drainage pipe 4 via a universal socket saddle 10, the interior of the vertical pipe 5 communicates with the interior of the horizontal drainage pipe 4, and is provided with an inner lid 5a made of synthetic resin for opening and closing the upper opening of the vertical tube 5. As shown in FIG. A protective cover 11 made of cast iron and positioned on the ground surface 3 is provided above the vertical pipe 5 . When a disaster occurs, the inner lid 5a and the outer lid 11 of each vertical pipe 5 are removed to install a temporary toilet.

The downstream end of the horizontal drainage pipe 4 is closed by a pipe end bonded water stop cap 4b. The upper end of the riser pipe 6 provided near the downstream end of the horizontal drainage pipe 4 is positioned on the ground surface 3 and closed with a lid 6a. In the horizontal drainage pipe 4 at the lower portion of the riser pipe 6, the upstream end of the outflow pipe 7 is positioned inside the horizontal drainage pipe 4 via the pipe end bonded water stop cap 4b. The downstream end of the outflow pipe 7 is connected to a sewage main (not shown).

A valve opening/closing mechanism 8 is provided at the upstream end of the outflow pipe 7 . The valve opening/closing mechanism 8 includes a gate type valve 8a that closes the upstream end of the outflow pipe 7 and a valve opening/closing handle 8b that vertically slides the gate type valve 8a. Since the valve opening/closing handle 8b is arranged inside the riser pipe 6, the valve 8a can be opened and closed by removing the cover 6a at the upper end of the riser pipe 6 and operating the valve opening/closing handle 8b. Since the overflow pipe 9 is connected to the outflow pipe 7 in the vicinity of the valve opening/closing mechanism 8, the water level in the horizontal drainage pipe 4 can be kept constant.

According to the temporary toilet piping structure 2 according to the present embodiment, since the outflow pipe 7 is protruded into the horizontal drainage pipe 4 from the downstream end of the horizontal drainage pipe 4, the drainage gradient of the horizontal drainage pipe 4 is It is possible to make the plumbing structure for a temporary toilet compact while ensuring As a result, the depth of burying the horizontal drainage pipe 4 can be made shallow. In addition, since the valve opening/closing mechanism 8 is provided at the upstream end of the outflow pipe 7, it is possible to prevent contaminants contained in the sewage from being caught in the water stop surface of the valve 8a, and the upstream end of the outflow pipe 4 is completely closed. water can be stopped. Further, since the valve 8a has a structure to stop water on the opposite side receiving the water pressure, it is possible to obtain a higher water stoppage.

Next, a plumbing structure for a temporary toilet according to a second embodiment will be described with reference to FIG. FIG. 3 is a longitudinal sectional view of a temporary toilet piping structure according to a second embodiment. In the description of the temporary toilet piping structure according to the second embodiment, the same configuration as the temporary toilet piping structure 2 according to the first embodiment is used in the first embodiment. The description will be given with the same reference numerals as in .

The temporary toilet piping structure 20 according to the second embodiment is installed in the downstream end of the horizontal drainage pipe 4 and the horizontal drainage pipe 4 of the temporary toilet piping structure 2 according to the first embodiment. A manhole housing an upstream end of the outflow pipe 7, a valve opening/closing mechanism 8 provided at the upstream end of the outflow pipe 7, and an overflow pipe 9 connected near the upstream end of the outflow pipe 7. 22. The upper portion of the manhole 22 is closed by a lid 22a, and the valve opening/closing handle 8b of the valve opening/closing mechanism 8 can be operated by removing the lid 22a.

According to the temporary toilet piping structure 20 according to the present embodiment, since the outflow pipe 7 is protruded into the horizontal drainage pipe 4 from the downstream end of the horizontal drainage pipe 4 in the manhole 22, the horizontal drainage pipe Maintainability after installation can be improved while ensuring the drainage slope of 4.

Next, a piping structure for a temporary toilet according to a third embodiment will be described with reference to FIG. FIG. 4 is a longitudinal sectional view of a temporary toilet piping structure according to a third embodiment. In the description of the temporary toilet piping structure according to the third embodiment, the same configuration as the temporary toilet piping structure 2 according to the first embodiment is used in the first embodiment. The description will be given with the same reference numerals as in .

In the temporary toilet piping structure 24 according to the third embodiment, the valve 8a constituting the valve opening/closing mechanism 8 of the temporary toilet piping structure 2 according to the first embodiment The valve 8c is installed at the upstream end of the outflow pipe 7 having an oblique shape with the upper part located on the downstream side, and the overflow pipe 9 connected to the outflow pipe 7 is changed to an L-shaped overflow pipe 12. It is what I did.

According to the temporary toilet piping structure 24 according to the present embodiment, even when the valve opening/closing mechanism 8 is provided in the horizontal drainage pipe 4, the lower part of the upstream end face of the outflow pipe 4 located in the horizontal drainage pipe 4 It is possible to suppress the accumulation of contaminants and the like in the valve, and to ensure the water shutoff of the valve.

Next, a plumbing structure for a temporary toilet according to a fourth embodiment will be described with reference to FIGS. 5 and 6. FIG. FIG. 5 is a longitudinal sectional view of a temporary toilet piping structure according to a fourth embodiment. In the description of the temporary toilet piping structure according to the fourth embodiment, the same configuration as the temporary toilet piping structure 2 according to the first embodiment is used in the first embodiment. The description will be given with the same reference numerals as in .

The temporary toilet piping structure 26 according to the fourth embodiment is upstream of the outflow pipe 7 whose water is stopped by the valve 8a that constitutes the valve opening/closing mechanism 8 of the temporary toilet piping structure 2 according to the first embodiment. The structure of the side end portion 7a is changed to a structure capable of suppressing the volume of contaminants. That is, as shown in FIG. 6, the substantially upper half of the upstream end portion 7a of the outflow pipe 7 is provided with a water stop structure 7b such as a packing on the upstream end surface of the outflow pipe 7, so that the upstream end portion 7a of the outflow pipe 7 is The substantially lower half has a waterproof structure 7c such as a packing on the inner peripheral surface of the outflow pipe 7 .

According to the temporary toilet piping structure 26 according to the present embodiment, the water cutoff portion at the bottom of the outflow pipe 7 has a smooth inner surface of the pipe, thereby suppressing the accumulation of contaminants and ensuring water cutoff.

Next, a plumbing structure for a temporary toilet according to a fifth embodiment will be described with reference to FIG. FIG. 7 is a longitudinal sectional view of a temporary toilet piping structure according to a fifth embodiment. In the description of the temporary toilet piping structure according to the fifth embodiment, the same configuration as the temporary toilet piping structure 24 according to the third embodiment is used in the third embodiment. Description will be given with the same reference numerals as those used previously.

In the temporary toilet piping structure according to the fifth embodiment, the upper end of the overflow pipe 9 is provided around the valve 8c obliquely arranged at the upstream end of the outflow pipe 7 installed in the horizontal drainage pipe 4. A baffle plate (or member) 30 is arranged up to the height. By adopting such a configuration, it is possible to prevent contaminants from accumulating around the upstream end of the outflow pipe 7 protruding into the horizontal drainage pipe 4 .

Next, a plumbing structure for a temporary toilet according to a sixth embodiment will be described with reference to FIG. FIG. 8 is a longitudinal sectional view of a temporary toilet piping structure according to a sixth embodiment. In the description of the temporary toilet piping structure according to the sixth embodiment, the same configuration as the temporary toilet piping structure 24 according to the third embodiment is used in the third embodiment. Description will be given with the same reference numerals as those used previously.

The plumbing structure for a temporary toilet according to the sixth embodiment has an intermediate height of the outflow pipe 7 around the valve 8c obliquely arranged at the upstream end of the outflow pipe 7 installed in the horizontal drainage pipe 4. The baffle plate (or member) 32 is arranged up to . By adopting such a configuration, it is possible to prevent contaminants from accumulating around the upstream end of the outflow pipe 7 protruding into the horizontal drainage pipe 4 .

Next, a temporary toilet piping member according to a seventh embodiment will be described with reference to FIGS. 9 and 10. FIG. FIG. 9 is a longitudinal sectional view of a temporary toilet piping structure provided with a temporary toilet piping member according to a seventh embodiment, and FIG. 10 is a longitudinal sectional view of the temporary toilet piping member according to the embodiment. In the description of the temporary toilet piping member according to the seventh embodiment, the same configuration as the temporary toilet piping structure 2 according to the first embodiment is the same as that used in the first embodiment. Description will be given with the same reference numerals as those used previously.

The temporary toilet piping member 28 shown in FIGS. 9 and 10 has a horizontal drainage pipe connection portion 28a to which the downstream end of the horizontal drainage pipe 4 is internally connected and connected, and an outflow pipe 7 connected to the sewage pipe. The outflow pipe connection portion 28b which is connected to the horizontal drainage pipe connection portion 28a, the riser pipe portion 28c formed at the downstream end of the horizontal drainage pipe connection portion 28a, and the upper opening of the riser pipe portion 28c. and a closing lid 28d. The temporary toilet piping member 28 includes a valve opening/closing mechanism 8 provided at the upstream end of the outflow pipe connection portion 28b, and an overflow pipe 9 provided near the upstream end of the outflow pipe connection portion 28b. there is

According to the temporary toilet piping member according to the present embodiment, the portion where the outflow pipe connection portion 28b is installed in the drainage horizontal pipe connection portion 28a and the valve opening and closing mechanism 8 is provided is a separate member, so that the member can be stored. , transport and carry-in are easy, and on-site construction is also simple.

Also in the temporary toilet piping member 28, the valve 8a constituting the valve opening/closing mechanism 8 installed at the upstream end of the outflow pipe connecting portion 28b of the temporary toilet piping member 28 is the same as that of the third embodiment. Similarly, the valve 8c may be changed to a valve 8c installed at the upstream end of the outflow pipe connecting portion 28b having an oblique shape in which the upper portion is positioned downstream with respect to the lower portion of the upstream end.

Further, the upstream end portion of the outflow pipe connection portion 28b of the temporary toilet pipe member 28 has a water cutoff structure similar to that of the fourth embodiment. A water stop structure 7b such as a packing is provided on the upstream end surface, and a water stop structure 7c such as a packing is provided on the inner peripheral surface of the outflow pipe connection portion 28b in substantially the lower half of the upstream end portion 7a of the outflow pipe connection portion 28b. You may do so.

Furthermore, as in the fifth and sixth embodiments, the upper end of the overflow pipe 9 is placed around the valve 8c obliquely arranged at the upstream end of the outflow pipe connection portion 28b which is installed in the horizontal drainage pipe connection portion 28a. The baffle plate (or member) may be arranged up to the height of the outflow pipe connection portion 28b or up to the middle height of the outflow pipe connection portion 28b.

The temporary toilet piping structure according to the above-described embodiment includes a valve opening/closing mechanism having a gate-type valve, but the valve system is not limited to a gate-type valve, and may be a ball valve or the like. A valve of the type may be used.

Also, for the riser pipe 6 on which the valve opening/closing handle 8b is located, it is desirable to use a riser pipe having an inner diameter larger than the outer dimension of the valve, considering maintenance such as replacement of the valve.

2, 22, 24, 26... Piping structure for temporary toilet, 3... Ground surface, 4... Horizontal drainage pipe, 5... Vertical pipe, 6... Rise pipe, 7... Outflow pipe, 8... Valve opening/closing mechanism, 9... Overflow pipe , 10... universal receptacle saddle, 11... protective cover, 22... manhole, 28... plumbing member for temporary toilet, 28a... horizontal drainage pipe connection, 28b... outflow pipe connection

Claims (4)

a horizontal drainage pipe connecting portion to which a downstream end of a horizontal drainage pipe buried in the ground is connected;
an outflow pipe connecting portion, to which an outflow pipe connected to a sewage pipe is connected, and which is installed in the horizontal drainage pipe connecting portion;
a valve opening/closing mechanism provided at the upstream end of the outflow pipe connection;
A plumbing member for a temporary toilet, comprising: 2. The plumbing member for a temporary toilet according to claim 1 , wherein the upstream end portion of the outflow pipe connecting portion has an oblique shape in which the upper portion is positioned downstream with respect to the lower portion. 3. The plumbing member for a temporary toilet according to claim 2 , wherein the upstream side of the outflow pipe connecting portion is provided with a water stop structure on the inner peripheral surface of the lower side. The plumbing member for a temporary toilet according to any one of claims 1 to 3, wherein a baffle plate is provided around the upstream end of the outflow pipe connecting portion.

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