Waste processing apparatus

The excrement treatment device addresses the challenges of installing flush toilets in care settings by using a vacuum suction system that eliminates the need for underfloor piping, ensuring efficient and hygienic excrement processing.

JP2025077810APending Publication Date: 2025-05-19三兴建设株式会社
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Patent Information

Application Number
JP2023190286
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-11-07
Publication Date
2025-05-19

AI Technical Summary

Technical Problem

Installing a flush toilet indoors in care settings is hindered by the need for costly underfloor piping and the uncertainty of future care requirements, while moving existing care toilets burdens both the recipient and facilities.

Method used

An excrement treatment device comprising a sewage receiver connected to the flush toilet and a vacuum suction device, which receives sewage and discharges it via suction, eliminating the need for new underfloor piping by using an outdoor vacuum suction device connected to an indoor bucket.

Benefits of technology

This solution allows for the smooth processing of excrement without requiring new underfloor piping, reducing installation costs and care burdens, while maintaining hygiene and preventing odor backflow.

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Abstract

To provide a waste processing apparatus capable of smoothly processing waste without requiring new underfloor plumbing work when installing a flush toilet indoors.SOLUTION: A waste processing apparatus 100 that receives wastewater discharged from a flush toilet 1 with a wastewater receiver 10 and discharges the received wastewater from the wastewater receiver 10 by suction of a vacuum suction device 2, comprises the wastewater receiver 10 connected to the flush toilet 1 and the vacuum suction device 2 connected to the wastewater receiver 10, wherein the wastewater receiver 10 has an inlet with a check valve connected to the flush toilet 1, an outlet connected to the vacuum suction device 2, and an intake that takes in air during suction by the vacuum suction device 2, and the check valve is in a closed state during suction by the vacuum suction device 2.SELECTED DRAWING: Figure 1
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Description

Technical Field

[0001] The present invention relates to an excrement treatment device for a flush toilet.

Background Art

[0002] Conventionally, in private homes and care facilities, when it is difficult for care recipients such as the elderly to move to an existing toilet on their own, a care toilet is installed in the care recipient's room for use indoors.

[0003] When the care toilet is not a flush type, it is necessary to regularly collect the accumulated excrement, and considering the care burden, it is preferable to use a flush toilet. When installing a flush toilet indoors, piping for draining the discharged sewage is required.

[0004] For example, Patent Document 1 describes an invention related to a flush toilet for a bedroom of a building with underfloor piping type. By laying a drain pipe and a water supply pipe in the bedroom in advance during new construction or renovation, it is proposed to connect to an excrement treatment bed so that excrement can be smoothly discharged.

[0005] Also, Patent Document 2 describes an invention in which a care toilet 50 is moved to a place where an external drain port 1 is installed, and the drain port of the toilet bowl part 40 and the external drain port 1 are connected via a main body drain pipe 20 and a connection drain pipe 22, so that excrement is discarded into a sewer pipe or the like.

Prior Art Documents

Patent Documents

[0006]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0007] However, as in the invention described in Patent Document 1, installing pipes under the floor in advance during new construction or renovation is a significant cost burden, and since it is not known what kind of care will be required until that time, it is difficult to prepare in advance. On the other hand, just because it becomes necessary to install a flush toilet indoors at that time, it is not practical to newly carry out pipe work under the floor.

[0008] Also, as in the invention described in Patent Document 2, if the toilet for care is to be moved, existing piping facilities can be used, but there is a burden of moving the care recipient.

[0009] The present invention solves the above conventional problems, and when installing a flush toilet indoors, provides a excrement treatment device that does not require new pipe work under the floor and can smoothly process excrement.

Means for Solving the Problems

[0010] To solve the above problems, the excrement treatment device of the present invention comprises a sewage receiver connected to a flush toilet and a vacuum suction device connected to the sewage receiver, and receives the sewage discharged from the flush toilet with the sewage receiver, and discharges the received sewage from the sewage receiver by the suction of the vacuum suction device. The sewage receiver has an inlet with a check valve connected to the flush toilet, an outlet connected to the vacuum suction device, and an inhaler that takes in air during suction by the vacuum suction device, and is characterized in that the check valve is in a closed state during suction by the vacuum suction device.

[0011] Preferably, the sewage receiver has a groove portion inclined downward toward the outlet on the inner bottom surface.

[0012] Preferably, the sewage receiver has an inclined surface inclined downward toward the groove on the inner bottom surface.

[0013] Also preferably, the sewage receiver has a cleaning port with a lid.

[0014] Also preferably, the sewage receiver has a partition plate above the interior.

[0015] Also preferably, the switch of the vacuum suction device is interlocked with the flushing lever of the flush toilet.

[0016] Also preferably, the valve of the pipe between the sewage receiver and the vacuum suction device is interlocked with the flushing lever of the flush toilet.

Advantages of the Invention

[0017] The excrement treatment device of the present invention comprises a sewage receiver connected to a flush toilet and a vacuum suction device connected to the sewage receiver. It receives the sewage discharged from the flush toilet with the sewage receiver and discharges the received sewage from the sewage receiver by the suction of the vacuum suction device. And the sewage receiver has an inlet with a check valve connected to the flush toilet, an outlet connected to the vacuum suction device, and an inhaler for taking in air during suction by the vacuum suction device. During suction by the vacuum suction device, the check valve is in a closed state. Therefore, during suction by the vacuum suction device, sewage does not flow back from the sewage receiver towards the flush toilet, which is hygienic. Also, the check valve can prevent odors from wafting towards the flush toilet side.

[0018] Also, since the vacuum suction device can be installed outdoors instead of indoors and connected to the indoor septic tank, there is no need to provide a pipe from the indoor flush toilet to the vacuum suction device under the floor. Also, the vacuum suction device can absorb odors.

[0019] Also, since the sewage receiver has a groove portion inclined downward towards the outlet on the inner bottom surface, the sewage in the sewage receiver flows through the groove towards the outlet, so that the sewage can be easily discharged from the outlet.

[0020] In addition, since the sewage receiver has an inclined surface that slopes downward toward the groove on the inner bottom surface, the sewage in the sewage receiver gathers in the groove, making it easier to discharge the sewage from the discharge port.

[0021] In addition, since the sewage receiver has a cleaning port with a lid, it is easy to open the lid and clean the inside.

[0022] In addition, since the sewage receiver has a partition plate above the inside, it is possible to prevent the sewage in the sewage receiving part from splashing inside.

[0023] In addition, by linking the switch of the vacuum suction device to the flushing lever of the flush toilet, it is possible to operate the vacuum suction device to discharge the sewage toward the vacuum suction device by simply moving the flushing lever after excretion.

[0024] In addition, by linking the valve of the pipe between the sewage receiver and the vacuum suction device to the flushing lever of the flush toilet, it is possible to open the valve and discharge the sewage toward the vacuum suction device by simply moving the flushing lever after excretion.

[0025] Thus, according to the present invention, when installing a flush toilet indoors, it is possible to provide an excrement treatment device that does not require new underfloor piping work and can smoothly process excrement.

Brief Description of the Drawings

[0026]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Mode for Carrying Out the Invention

[0027] Next, with reference to FIGS. 1 to 8, an excrement treatment device according to an embodiment of the present invention will be described. The excrement treatment device according to the present embodiment is for discharging excrement discharged from a flush toilet installed indoors via an indoor bucket without performing new underfloor piping work.

[0028] FIGS. 1 and 2 are configuration diagrams of the excrement treatment device according to Embodiment 1 of the present invention. The excrement treatment device 100 according to Embodiment 1 is composed of a sewage receiver 10 connected to a flush toilet 1 and a vacuum suction device 2 connected to the sewage receiver 10. The flush toilet 1 is placed on a raised platform 8, and its height is adjusted with respect to the sewage receiver 10.

[0029] The sewage discharged from the flush toilet 1 is received by the sewage receiver 10 by the water flow from the tank 9. The sewage received by the sewage receiver 10 is discharged from the sewage receiver 10 by the suction of the vacuum suction device 2. Then, the sewage is finally discharged to the existing indoor bucket 3 via the vacuum suction device 2.

[0030] The sewage receiver 10 is installed adjacent to the flush toilet 1 installed indoors. On the other hand, the vacuum suction device 2 is installed outdoors. The pipe connecting the sewage receiver 10 and the vacuum suction device 2 does not need to be provided under the floor and can be arranged directly from indoors to outdoors.

[0031] In Embodiment 1, the switch 5 of the vacuum suction device 2 is interlocked with the flush lever 4 of the flush toilet 1. Thereby, by simply moving the flush lever 4 after excretion, the vacuum suction device 2 can be operated to discharge the sewage toward the vacuum suction device 2.

[0032] Next, with reference to FIGS. 3 to 7, the sewage receiver 10 will be described in detail. FIGS. 3 to 5 are a front view, a right side view, and a plan view showing the sewage receiver 10. FIG. 6 is an end view taken along line A-A of FIG. 3, and FIG. 7 is an end view taken along line B-B of FIG. 4. The sewage receiver 10 is a substantially rectangular parallelepiped box with a hollow interior.

[0033] On the front of the sewage receiver 10, an inlet 11 with a check valve 11a connected to the flush toilet 10 is provided. The inlet 11 is slightly inclined upward toward the flush toilet 1, facilitating the reception of sewage from the flush toilet. The check valve 11a is configured to rotate about a hinge portion as shown by a broken line in FIG. 6 to open and close the inlet 11. Sewage from the flush toilet 1 pushes open the check valve 11a by the water flow from the tank 9 and flows into the interior of the sewage receiver 10.

[0034] On the right side of the sewage receiver 10, an outlet 12 connected to the vacuum suction device 2 is provided. Further, an upstream port 13 is provided on the left side, but it is covered with a cap and closed. The upstream port 13 can be used to remove the cap and pour water when cleaning the interior.

[0035] On the upper surface of the sewage receiver 10, an inhaler 14 and lids 15, 15 are provided. The inhaler 14 takes in air during suction by the vacuum suction device 2 and serves as a silencer, with a suction port 14a formed at the center. Also, by adjusting the suction force of the vacuum suction device 2 and the intake condition of air from the inhaler 1, the check valve 11a is in a closed state during suction by the vacuum suction device 2.

[0036] When the lid 15 is removed, cleaning ports 16, 16 shown in FIG. 7 appear, enabling the interior to be cleaned.

[0037] On the inner bottom surface of the sewage receiver 10, a groove portion 17 is provided which slopes downward toward the discharge port 12. The groove 17 slopes downward from the upstream port 13 toward the discharge port 12. Also, inclined surfaces 18, 18 are provided which slope downward toward the groove 17. The inclined surfaces 18, 18 slope downward from both sides toward the center in the front-rear direction.

[0038] Above the inside of the sewage receiver 10, partition plates 19, 19 are provided. The partition plates 19, 19 partition the inside of the sewage receiver 10 in the left-right direction.

[0039] The excrement treatment device 100 according to Embodiment 1 comprises a sewage receiver 10 connected to the flush toilet 1 and a vacuum suction device 2 connected to the sewage receiver 10. It receives the sewage discharged from the flush toilet 1 with the sewage receiver 10 and discharges the received sewage from the sewage receiver 10 by the suction of the vacuum suction device 2. And the sewage receiver 10 has an inlet 11 with a check valve 11a connected to the flush toilet 1, a discharge port 12 connected to the vacuum suction device 2, and an inhaler 14 for taking in air during the suction by the vacuum suction device 2. During the suction by the vacuum suction device 2, the check valve 11a is in a closed state. Therefore, during the suction by the vacuum suction device 2, the sewage does not flow backward from the sewage receiver 10 toward the flush toilet 1, which is hygienic. Also, the check valve can prevent the odor from wafting to the flush toilet side.

[0040] Also, since the vacuum suction device 2 may be installed outdoors instead of indoors and connected to the indoor bucket 3, it is not necessary to provide the pipe from the indoor flush toilet 1 to the vacuum suction device 2 under the floor. Also, the vacuum suction device 2 can also suck in the odor.

[0041] Also, since the sewage receiver 10 has the groove portion 17 on the inner bottom surface which slopes downward toward the discharge port 12, the sewage in the sewage receiver 10 flows through the groove 17 toward the discharge port 12, so that the sewage is easily discharged from the discharge port 12.

[0042] Further, since the sewage receiver 10 has inclined surfaces 18, 18 that are inclined downward toward the groove 17 on the inner bottom surface, the sewage in the sewage receiver 10 gathers in the groove 17, making it easier to discharge the sewage from the discharge port 12.

[0043] Also, since the sewage receiver 10 has cleaning ports 16, 16 with lids 15, 15, it is easy to open the lids 15, 15 and clean the inside.

[0044] Also, since the sewage receiver 10 has partition plates 19, 19 inside and above, it is possible to prevent the sewage in the sewage receiving part 10 from splashing inside.

[0045] Also, by linking the switch of the vacuum suction device 2 to the flushing lever 4 of the flush toilet 1, it is possible to operate the vacuum suction device 2 and discharge the sewage toward the vacuum suction device 2 simply by moving the flushing lever 4 after excretion.

[0046] FIG. 8 is a configuration diagram of the excrement treatment device according to Embodiment 2 of the present invention. The same components as those of the excrement treatment device 100 according to Embodiment 1 are denoted by the same reference numerals, and the description thereof is omitted. The excrement treatment device 200 according to Embodiment 2 is assumed to be installed in each room of a nursing facility or the like with a plurality of flush toilets 1, 1, 1.

[0047] Sewage receivers 10, 10, 10 are connected to each of the plurality of flush toilets 1, 1, 1. And each of the plurality of sewage receivers 10, 10, 10 is connected to a connecting pipe 7, and further the connecting pipe 7 is connected to the vacuum suction device 2. That is, the plurality of sewage receivers 10 are connected to the vacuum suction device 2 via the connecting pipe 7. As a result, the sewage of the plurality of flush toilets 1, 1, 1 can be intensively treated.

[0048] Also, the valves 6, 6, 6 of the pipes between each sewage receiver 10, 10, 10 and the vacuum suction device 2 (connection pipe 7) are interlocked with the flushing levers 4, 4, 4 of the flush toilets 1, 1, 1. Thus, by simply moving the flushing lever 4 after excretion, the valve 6 can be opened to discharge the sewage toward the vacuum suction device 2.

[0049] As described above, according to the excrement treatment device according to this embodiment, when installing a flush toilet indoors, there is no need to perform new underfloor piping work, and excrement can be smoothly treated.

[0050] As described above, the excrement treatment device according to the embodiment of the present invention has been described. However, the present invention is not limited to the above-described embodiment, and various other modifications are possible.

Explanation of Reference Numerals

[0051] 1 Flush toilet 2 Vacuum suction device 3 Indoor tub 4 Flushing lever 5 Switch 6 Valve 7 Connection pipe 8 Raised platform 9 Tank 10 Sewage receiver 11 Inlet 12 Outlet 13 Upstream port 14 Suction device 15 Lid 16 Cleaning port 17 Groove 18 Inclined surface 19 Partition plate 100 Excrement treatment device 200 Excrement treatment device

Claims

1. An excrement treatment device comprising a wastewater receiver connected to a flush toilet and a vacuum suction device connected to the wastewater receiver, the wastewater discharged from the flush toilet being received in the wastewater receiver and the received wastewater being discharged from the wastewater receiver by suction with the vacuum suction device, The wastewater receiver has an inlet with a check valve connected to the flush toilet, an outlet connected to the vacuum suction device, and a suction device that takes in air when suctioned by the vacuum suction device, The excrement treatment device according to claim 1, wherein the check valve is in a closed state during suction by the vacuum suction device.

2. 2. The excrement treatment device according to claim 1, wherein the wastewater receptacle has a groove on its inner bottom surface that is inclined downward toward the discharge port.

3. 3. The excrement treatment device according to claim 2, wherein the wastewater receptacle has an inclined surface on its inner bottom surface that is inclined downward toward the groove.

4. 2. The waste disposal device according to claim 1, wherein the wastewater receptacle has a cleaning port with a lid.

5. 2. The waste disposal device according to claim 1, wherein the wastewater receptacle has a partition plate at an upper portion inside the receptacle.

6. 2. The excrement treatment device according to claim 1, wherein a switch of the vacuum suction device is linked to a flush lever of the flush toilet.

7. 2. The excrement treatment device according to claim 1, wherein a valve in a pipe between the wastewater receiver and the vacuum suction device is linked to a flush lever of the flush toilet.

Citation Information

Patent Citations

  • Under-floor piping type flush toilet for bedroom of building

    JP2004000386A

  • Toilet for elderly care

    JP3141726U