WO2023176772A1

WO2023176772A1 - Toilet apparatus

Info

Publication number: WO2023176772A1
Application number: PCT/JP2023/009610
Authority: WO
Inventors: ひとみ松本; 弘明渡邊; 康裕白井; 道太郎牧; 真之楠目
Original assignee: 株式会社Lixil
Priority date: 2022-03-18
Filing date: 2023-03-13
Publication date: 2023-09-21
Also published as: JP2023137259A

Abstract

Provided is a toilet apparatus that is less uncomfortable for users to use.　A toilet apparatus (1) comprises: a toilet bowl (11); a conveying path (50) that is disposed downstream of the toilet bowl (11); a crusher (60) that is disposed downstream of the conveying path (50) and crushes waste; a tank (70) that is disposed downstream of the crusher (60) and stores sewage containing the waste crushed in the crusher (60); a circulation path (80) that connects the tank (70) and the conveying path (50); and a pump (90) that is disposed in the circulation path (80) and discharges the sewage stored in the tank (70) toward the conveying path (50).

Description

toilet equipment

The present disclosure relates to toilet devices.

Patent Document 1 discloses a conventional toilet device. This toilet device includes a toilet bowl, a crushing pump, and a circulation path. The crushing pump is provided in a recess formed in the rear bottom surface of the toilet bowl. The crushing pump has a crushing function and a pumping function. The crushing function is a function of crushing the filth sucked in from the suction port of the crushing pump together with cleaning water and the like. The pump function is a function that sucks in filth along with cleaning water etc. from the suction port and discharges wastewater containing crushed filth from the discharge port. The circulation path connects the discharge port of the crushing pump and the front part of the toilet bowl part. In this toilet device, sewage discharged from the discharge port of the crushing pump flows through the circulation path from the front to the rear on the bottom of the toilet bowl. This toilet device uses sewage that flows from the front to the rear of the bottom of the toilet bowl and flush water that is supplied to the toilet bowl separately from the sewage to move the filth in the toilet bowl to the suction port of the crushing pump. Transport towards. In this way, this toilet device can flush the toilet bowl with a small amount of flushing water by using the sewage water to transport the filth in the toilet bowl section.

Special Publication No. 2004-521202

In the toilet device disclosed in Patent Document 1, the user can visually check the dirty water flowing on the bottom surface of the toilet bowl, which may make the user feel uncomfortable.

The present disclosure has been made in view of the above-mentioned conventional situation, and the problem to be solved is to provide a toilet device that the user can use without feeling uncomfortable.

The toilet device of the present disclosure includes a toilet bowl portion, a conveyance path provided downstream of the toilet bowl portion, a crushing portion provided downstream of the conveyance path and configured to crush waste, and a crushing portion downstream of the crushing portion. a tank provided on the side for storing wastewater containing waste crushed in the crushing section; a circulation path connecting the tank and the conveyance path; and a circulation path provided in the circulation path for storing the wastewater stored in the tank. A pump for discharging toward the conveyance path is provided.

1 is a schematic diagram showing the configuration of a toilet device of Embodiment 1. FIG. 2 is a flowchart showing the operation of the on-off valve and pump of the water supply section in the toilet device of Embodiment 1.

Embodiment 1 that embodies the toilet device 1 of the present disclosure will be described with reference to the drawings. In the following description, the vertical direction refers to the vertical direction when the toilet bowl 10 is installed on a horizontal installation surface F. In the front-back direction, when the toilet bowl 10 is installed on a horizontal installation surface F, the direction in which the water supply pipe 21 is connected to the toilet bowl part 11 is the rear direction, and the opposite direction is the front direction. The left-right direction is the left-right direction when looking from the front of the toilet 10 to the rear of the toilet 10 in a state where the toilet 10 is installed on a horizontal installation surface F. In FIG. 1, the upward direction is the positive direction of the X-axis, the downward direction is the negative direction of the X-axis, the forward direction is the positive direction of the Y-axis, and the backward direction is the negative direction of the Y-axis.

<Embodiment 1>
As shown in FIG. 1, the toilet device 1 of the first embodiment includes a toilet bowl 10, a water supply section 20, a connecting pipe 30, a flapper valve 40, a conveyance path 50, a crushing device 60, a tank 70, a circulation path 80, and a pump 90. It is equipped with The toilet bowl 10 has a toilet bowl portion 11, an upper surface portion 13, a peripheral wall portion 15, and a water conduit 17. The toilet bowl part 11 is provided on the front side of the toilet bowl 10. The toilet bowl portion 11 has a bowl shape that opens upward. The toilet bowl portion 11 has a discharge port 11A opened in the vertical direction formed at the lower end thereof. The discharge port 11A extends in a cylindrical shape in the vertical direction at the lower end of the toilet bowl portion 11. A cylindrical packing 19 is attached to the lower end of the discharge port 11A. The central axis of the discharge port 11A and the central axis of the packing 19 extend on the same straight line. The inner diameter of the discharge port 11A and the inner diameter of the packing 19 are approximately the same. The toilet bowl portion 11 is formed with a water spout 11B. The spout 11B opens in the upper rear side of the toilet bowl portion 11 in the front-rear direction. The spout 11B spouts cleaning water for cleaning the toilet bowl portion 11. The wash water spouted from the water spout 11B flows toward the discharge port 11A while swirling along the toilet bowl portion 11.

The upper surface portion 13 extends horizontally further back than the toilet bowl portion 11. The peripheral wall portion 15 extends downward from the upper end edge of the toilet bowl portion 11 and both left and right ends of the upper surface portion 13 and is formed to surround the toilet bowl portion 11 . The lower end surface of the peripheral wall portion 15 comes into contact with the installation surface F when the toilet bowl 10 is installed. The toilet bowl 10 forms an internal space S surrounded by a peripheral wall part 15 below the toilet bowl part 11.

The water conduit 17 is formed below the upper surface portion 13 of the toilet bowl 10. The upstream end of the water conduit 17 rises upward above the rear end of the toilet bowl 10 . The inlet formed at the upstream end of the water conduit 17 is open in the vertical direction. The downstream end of the water conduit 17 is continuous with the rear part of the toilet bowl part 11. The water conduit 17 communicates with a spout 11B formed in the toilet bowl portion 11.

The water supply unit 20 supplies flush water to the water conduit 17 formed in the toilet bowl 10. The water supply section 20 has a water supply pipe 21, an on-off valve 23, a control section 25, and an operation section 27. The upstream end of the water supply pipe 21 is connected to a water supply source such as a washing tank (not shown). A downstream end of the water supply pipe 21 is connected to an inlet of a water conduit 17 formed in the toilet bowl 10 . The on-off valve 23 is provided in the water supply pipe 21. The on-off valve 23 opens upon receiving the valve opening signal transmitted from the control unit 25 . The on-off valve 23 closes upon receiving the valve-closing signal transmitted from the control unit 25 .

The operating section 27 has a cleaning button 29. The operation unit 27 transmits an operation signal to the control unit 25 when the cleaning button 29 is pressed. Upon receiving the operation signal, the control unit 25 transmits a valve opening signal to the on-off valve 23, and transmits a valve closing signal to the on-off valve 23 after a first predetermined time has elapsed. The amount of cleaning water that the water supply unit 20 supplies to the water conduit 17 is determined by the length of the first predetermined time period, which is the time period during which the on-off valve 23 is open. The amount of flushing water that the water supply section 20 supplies to the water conduit 17 is equal to the amount of flushing water that is discharged from the spout 11B to the toilet bowl section 11. When the cleaning button 29 of the operation unit 27 is pressed, the water supply unit 20 discharges a predetermined amount of cleaning water from the spout 11B to the toilet bowl unit 11.

The connecting pipe 30 has a cylindrical shape. The connecting pipe 30 is connected to the lower part of the toilet bowl portion 11 with its central axis extending in the vertical direction. The central axis of the connecting pipe 30 extends on the same straight line as the central axis of the discharge port 11A of the toilet bowl portion 11. The inner diameter of the connecting pipe 30 is larger than the outer diameter of the packing 19 attached to the outlet 11A of the toilet bowl portion 11. The upper end edge of the connecting pipe 30 is connected around the outlet 11A of the toilet bowl part 11. The connecting pipe 30 is accommodated in the internal space S of the toilet bowl 10.

The flapper valve 40 is installed inside the connecting pipe 30. The flapper valve 40 opens and closes a discharge port 11A formed at the bottom of the toilet bowl portion 11. The flapper valve 40 includes a flapper valve main body 41, a support member 43, and a tension coil spring 45. The flapper valve main body 41 is disc-shaped. The outer diameter of the flapper valve main body 41 is larger than the outer diameter of the packing 19 attached to the discharge port 11A of the toilet bowl portion 11, and smaller than the inner diameter of the connecting pipe 30. When the flapper valve 40 closes the outlet 11A of the toilet bowl 11, the flapper valve body 41 is in a horizontal position and its upper surface is in contact with the lower edge of the packing 19 attached to the outlet 11A of the toilet bowl 11. The situation is as follows.

The support member 43 has a first support part 43A and a second support part 43B. The first support portion 43A and the second support portion 43B are rod-shaped. One end of the first support portion 43A is connected to a central portion of the lower surface of the flapper valve main body 41. The first support portion 43A extends along the lower surface of the flapper valve main body 41. The other end of the first support portion 43A extends further outward than the outer edge of the flapper valve main body 41. One end of the second support part 43B is continuous with the other end of the first support part 43A. The second support portion 43B extends in a direction perpendicular to the first support portion 43A from one end to the other end when the flapper valve 40 closes the discharge port 11A of the toilet bowl portion 11. It extends downward. The length of the second support portion 43B is shorter than the length of the first support portion 43A. The support member 43 is rotatably supported. The rotation axis of the support member 43 is a portion where the first support portion 43A and the second support portion 43B are continuous. The rotation axis of the support member 43 is located behind the discharge port 11A of the toilet bowl portion 11 and extends in the left and right horizontal directions slightly below. The flapper valve main body 41 has two positions: the top surface contacts the lower edge of the packing 19 attached to the discharge port 11A of the toilet bowl portion 11, closing the discharge port 11A, and the top surface separates from the discharge port 11A and faces forward. It rotates between a state in which the discharge port 11A is tilted downward and opened.

One end of the tension coil spring 45 is connected to the other end of the second support portion 43B, and the other end is connected to the side surface of the connecting pipe 30. The tensile force of the tension coil spring 45 acts in a direction to close the flapper valve body 41. The flapper valve 40 closes the discharge port 11A of the toilet bowl portion 11 by the tensile force of the tension coil spring 45 when there is no dirt, washing water, etc. on the upper surface of the flapper valve main body 41. In the flapper valve 40, when dirt, washing water, etc. are placed on the upper surface of the flapper valve main body 41 and the weight becomes heavier than a predetermined weight, the flapper valve main body 41 rotates downward and drains the toilet bowl portion 11. The outlet 11A is opened, and dirt, washing water, etc. fall downward from the flapper valve body 41. In the flapper valve 40, when dirt, washing water, etc. fall from above the flapper valve main body 41, the flapper valve main body 41 rotates upward due to the tensile force of the tension coil spring 45, thereby closing the discharge port 11A of the toilet bowl portion 11.

The conveyance path 50 is provided downstream of the toilet bowl portion 11 and the flapper valve 40. The conveyance path 50 has an upstream section 51, an intermediate section 53, and a downstream section 55. The upper end of the upstream portion 51 forms an insertion port 51A that opens upward. The insertion port 51A has a cylindrical shape. The inner diameter of the insertion port 51A is larger than the outer diameter of the connecting pipe 30. A cylindrical packing 57 is attached to the insertion port 51A. The packing 57 is in contact with the inner peripheral surface of the insertion port 51A. The lower end of the connecting pipe 30 is inserted into the insertion port 51A. The outer circumferential surface of the lower end of the connecting tube 30 is in contact with the inner circumferential surface of a packing 57 attached to the insertion port 51A. The upstream portion 51 is accommodated in the internal space S of the toilet bowl 10. The upstream portion 51 temporarily stores dirt, washing water, etc. that have fallen from the flapper valve main body 41. The upstream portion 51 has an outlet 81 formed at the downstream end of the circulation path 80 opening at the lower end. The outlet 81 of the circulation path 80 is open in the direction in which the wastewater discharged from the outlet 81 flows along the intermediate portion 53 toward the downstream of the intermediate portion 53 .

The intermediate portion 53 of the conveyance path 50 is cylindrical. The upstream end of the intermediate part 53 is connected to the lower end of the upstream part 51 along an opening formed at the rear of the lower part of the upstream part 51 . The intermediate section 53 communicates with the upstream section 51 . The intermediate portion 53 extends diagonally upward from the lower end of the upstream portion 51 toward the rear. That is, the intermediate portion 53 is inclined upwardly toward the downstream side of the outlet 81 of the circulation path 80 . The intermediate portion 53 is accommodated in the internal space S of the toilet bowl 10.

The downstream portion 55 of the conveyance path 50 is cylindrical. The downstream section 55 is connected to the downstream end of the intermediate section 53. The downstream section 55 communicates with the intermediate section 53 . The diameter of the downstream portion 55 and the diameter of the intermediate portion 53 are the same. The downstream portion 55 extends substantially horizontally from the rear of the toilet bowl 10 toward the rear. The downstream portion 55 extends rearward from the rear end of the toilet bowl 10. A downstream end of the downstream section 55 is connected to an inflow section 61 of the crushing device 60 .

The crushing device 60 has a crushing section and a pump section (not shown). The crushing device 60 is installed behind the toilet bowl 10. The crushing device 60 is installed on the same installation surface F as the toilet bowl 10. The crushing device 60 has an inflow portion 61 at the upper front surface. The inflow section 61 of the crushing device 60 is connected to the downstream end of the downstream section 55 of the conveyance path 50 . The pulverizer 60 receives dirt and washing water from an inlet 61 . The crushing section crushes solid matter such as filth (feces and toilet paper) that has flowed in from the inflow section 61, and mixes it with wash water, etc. that has flowed in from the inflow section 61, thereby turning it into highly fluid wastewater. The crushing device 60 has an outflow pipe 63 extending outward from the rear portion of the top surface. The pump section sends out wastewater containing the filth crushed in the crushing section to the outflow pipe 63.

The crushing device 60 has a water level sensor (not shown). The water level sensor can detect a predetermined water level. In the crushing device 60, when the dirt, etc. and washing water that have flowed into the inside reach a predetermined water level or higher, the crushing section and the pump section are activated. When the crushing section and the pump section are driven, the crushing section crushes waste and the like into highly fluid sewage, and the pump section sends out the sewage to the outflow pipe 63. The crushing device 60 stops driving the crushing section and the pump section when the internal wastewater falls below a predetermined water level.

The tank 70 has a first inflow part 71 and a second inflow part 72 on the upper surface. The first inflow section 71 of the tank 70 is connected to the downstream end of the outflow pipe 63 of the crushing device 60 . The second inflow part 72 of the tank 70 is connected to the downstream end of a drain pipe 100 through which rainwater and miscellaneous wastewater such as hand washing water flows. Then, rainwater flowing through the drain pipe 100 and gray water such as hand washing water are stored. The tank 70 has an overflow part (not shown), and when the amount of sewage stored therein exceeds a predetermined amount, the sewage is drained from the overflow part into a sub-tank, a sewer, or the like.

The circulation path 80 connects the tank 70 and the upstream portion 51 of the conveyance path 50. The upstream end of the circulation path 80 is connected to the lower end of the tank 70. The downstream end of the circulation path 80 is connected to the upstream portion 51 of the conveyance path 50 . The outlet 81 formed at the downstream end of the circulation path 80 opens into the upstream portion 51 of the conveyance path 50, as described above.

The pump 90 is provided in the circulation path 80. When the pump 90 receives the activation signal transmitted from the control unit 25, it starts. After transmitting a valve closing signal to the on-off valve 23 of the water supply section 20, the control section 25 transmits a start signal to the pump 90 after a second predetermined period of time has elapsed. During the second predetermined time period, the on-off valve 23 of the water supply section 20 opens and closes to supply a predetermined amount of wash water to the water conduit 17, and then the flapper valve 40 opens the discharge port 11A of the toilet bowl section 11 to remove waste and wash water. This time is longer than the time required for water etc. to fall into the upstream section 51 of the conveyance path 50 and for the flapper valve 40 to close the discharge port 11A of the toilet bowl section 11. In this way, the pump 90 is driven with the flapper valve 40 closing the discharge port 11A of the toilet bowl portion 11.

When the pump 90 is driven, the wastewater stored in the tank 70 flows through the circulation path 80 and is discharged from the outlet 81 at the downstream end of the circulation path 80 into the upstream portion 51 of the conveyance path 50. The wastewater discharged from the outlet 81 of the circulation path 80 into the upstream portion 51 of the conveyance path 50 flows toward the downstream of the intermediate portion 53 of the conveyance path 50 along the intermediate portion 53, so that the force of the flow of the wastewater causes The waste temporarily stored in the upstream section 51 of the conveying path 50 is conveyed to the downstream side of the intermediate section 53, and is conveyed to the crushing device 60 via the downstream section 55.

When the pump 90 receives the stop signal sent from the control unit 25, it stops. After transmitting the start signal to the pump 90, the control unit 25 transmits a stop signal to the pump 90 after a third predetermined time has elapsed. During the third predetermined time period, most of the waste temporarily stored in the upstream section 51 of the conveyance path 50 is conveyed to the downstream side of the intermediate section 53 by the wastewater discharged from the outlet 81 of the circulation path 80. , the time required to be transported to the crushing device 60 via the downstream section 55.

Next, the toilet bowl cleaning of this toilet device 1 will be explained. As shown in FIG. 2, in this toilet device 1, when the user presses the flush button 29 of the operation section 27 after defecating (step S1), the on-off valve 23 of the water supply section 20 opens (step S2), Washing water is spouted from the spout 11B of the toilet bowl part 11 to the toilet bowl part 11. The on-off valve 23 closes (step S4) after a first predetermined time has elapsed (step S3) since it was opened. In this manner, when the user presses the flush button 29, this toilet device 1 discharges a predetermined amount of flush water into the toilet bowl portion 11.

In this toilet device 1, by discharging flushing water into the toilet bowl portion 11, filth, flushing water, etc. are placed on the upper surface of the flapper valve body 41 of the flapper valve 40, and the flapper valve body 41 rotates downward, causing the toilet bowl to flow. The discharge port 11A of the section 11 is opened, and dirt, washing water, etc. fall downward from the flapper valve body 41. The flapper valve 40 closes the discharge port 11A of the toilet bowl portion 11 when dirt, washing water, etc. fall from above the flapper valve main body 41 into the upstream portion 51 of the conveyance path 50. Dirt, washing water, etc. are temporarily stored in the upstream section 51 of the conveyance path 50.

As shown in FIG. 2, in this toilet device 1, the pump 90 is started after the second predetermined time has elapsed (step S5) after the on-off valve 23 of the water supply section 20 is closed (step S4) (step S6). ). The flapper valve 40 closes the discharge port 11A of the toilet bowl portion 11 when the pump 90 is activated. In this toilet device 1, when the pump 90 is driven, the dirty water stored in the tank 70 flows through the circulation path 80 and is discharged from the outlet 81 opened in the upstream section 51 of the conveyance path 50. In this toilet device 1, the waste temporarily stored in the upstream section 51 of the conveyance path 50 is conveyed to the downstream side of the intermediate section 53 by the force of the sewage discharged from the outlet 81 of the circulation path 80, and It is conveyed to the crushing device 60 via the section 55. The pump 90 stops driving (step S8) after a third predetermined time has elapsed (step S7) since it was started.

The pulverizer 60 pulverizes the transported filth in a pulverizer, mixes it with wash water and sewage, turns it into highly fluid sewage, and sends it out to the outflow pipe 63. The wastewater sent out to the outflow pipe 63 is stored in a tank 70. In this way, this toilet device 1 completes toilet flushing.

As described above, the toilet device 1 of Embodiment 1 includes the toilet bowl section 11, the conveyance path 50 provided downstream of the toilet bowl section 11, and the conveyance path 50 provided downstream of the conveyance path 50 to crush waste. A pulverizer 60 is connected to the pulverizer 60 , a tank 70 is provided on the downstream side of the pulverizer 60 and stores wastewater containing filth crushed in the pulverizer section of the pulverizer 60 , and the tank 70 is connected to the upstream portion 51 of the conveyance path 50 . A pump 90 is provided in the circulation path 80 and discharges the wastewater stored in the tank 70 toward the conveyance path 50.

This toilet device 1 can transport waste in the transport path 50 to the crushing device 60 by flowing the wastewater stored in the tank 70 from the circulation path 80 to the transport path 50 provided on the downstream side of the toilet bowl part 11. can. Therefore, this toilet device 1 makes it difficult for the user to visually recognize the circulating wastewater, so the user can use the toilet device 1 without feeling uncomfortable. Moreover, this toilet device 1 can save water for flushing.

The toilet device 1 of the first embodiment includes a flapper valve 40 that opens and closes an outlet 11A formed at the lower part of the toilet bowl portion 11, and the conveyance path 50 is provided downstream of the flapper valve 40. . In this toilet device 1, when the flapper valve 40 closes the discharge port 11A of the toilet bowl part 11, the user cannot visually check the downstream side of the flapper valve 40, and the user cannot see the downstream side of the flapper valve 40. It is possible to prevent odor from flowing into the toilet room.

The pump 90 of the toilet device 1 of the first embodiment is driven with the flapper valve 40 closing the discharge port 11A formed in the toilet bowl portion 11. In this toilet device 1, when the flapper valve 40 closes the discharge port 11A of the toilet bowl section 11, the pump 90 is driven, and sewage flows from the circulation path 80 to a conveyance path 50 provided on the downstream side of the toilet bowl section 11. Flows through the system, making it impossible for the user to see the circulating wastewater, making it possible for the user to use the system without feeling uncomfortable.

In the toilet device 1 of the first embodiment, by driving the pump 90, the wastewater stored in the tank 70 flows into the conveyance path 50 via the circulation path 80, and the waste in the conveyance path 50 is sent to the crushing device 60. transport. This toilet device 1 can transport the filth in the transport path 50 to the crushing device 60 using sewage water, so it can flush the toilet bowl with less flushing water.

The conveyance path 50 of the toilet device 1 of Embodiment 1 is inclined upward toward the downstream side. In this toilet device 1, the crushing device 60 can be installed on the same installation surface F as the toilet bowl 10 by providing the downstream end of the conveyance path 50 at a high position. In this way, this toilet device 1 can suppress the increase in dimensions in the height direction and can be easily installed. This toilet device 1 can have a low floor when mounted on a vehicle.

The conveyance path 50 of the toilet device 1 of the first embodiment has an upstream section 51 in which an outflow port 81 of a circulation path 80 is opened at the bottom end thereof, and is connected to the lower end of the upstream section 51, and is connected to the downstream side of the outflow port 81 on the downstream side. It has an intermediate part 53 that slopes upward toward the middle part 53 and a downstream part 55 that is connected to the downstream part of the intermediate part 53. The upstream part 51 and the intermediate part 53 are formed below the toilet bowl part 11. It is housed in an internal space S. This toilet device 1 suppresses dimensional expansion in the height direction and the front-back direction by accommodating the upstream portion 51 of the conveyance path 50 and the intermediate portion 53 tilted upward toward the downstream side in the internal space S. be able to.

The tank 70 of the toilet device 1 of the first embodiment has a second inflow portion 72 into which rainwater and gray water such as hand washing water flow. This toilet device 1 can supplement the sewage circulating through the circulation path 80 with rainwater and gray water such as hand washing water.

The present disclosure is not limited to the first embodiment described above and illustrated in the drawings, but includes, for example, the following embodiments within its technical scope.
(1) The toilet device may be a portable toilet such as a car-mounted toilet or a temporary toilet.
(2) Although the toilet device of Embodiment 1 was equipped with a flapper valve, it may not be equipped with a flapper valve.
(3) Although the toilet device of Embodiment 1 controls the activation of the pump over time, it may include a detection unit that detects the opening and closing of the flapper valve, and the pump may be activated by detecting that the flapper valve is closed.
(4) Although the flapper valve of the toilet device of Embodiment 1 is mechanical, it may be electrically operated.
(5) In the toilet device of Embodiment 1, the filth in the inlet of the conveyance path is conveyed by the force of the sewage discharged from the outlet of the circulation path, but the filth is conveyed by creating a siphon effect in the conveyance path. You may also do so.
(6) The tank of the toilet device of Embodiment 1 has an inlet into which rainwater and gray water such as hand washing water flow, but only one of the rainwater and gray water such as hand washing water flows into the tank. It is also possible to have an inlet where rainwater and miscellaneous water such as hand washing water flow.
(7) Although the tank of Embodiment 1 had an overflow part, it may not have an overflow part. In this case, the toilet device may become unusable when the tank is full.
(8) If wastewater is not stored in the tank, a small amount of water may be stored to transport the waste.

DESCRIPTION OF SYMBOLS 1... Toilet device, 11... Toilet bowl part, 11A... Outlet, 40... Flapper valve, 50... Conveyance path, 60... Grinding device (pulverizing part), 70... Tank, 72... Second inflow part (inflow part), 80...Circulation path, 90...Pump

Claims

A toilet bowl part,
a conveyance path provided on the downstream side of the toilet bowl portion;
a crushing section that is provided on the downstream side of the conveyance path and crushes waste;
a tank provided downstream of the crushing section and storing wastewater containing filth crushed in the crushing section;
a circulation path connecting the tank and the conveyance path;
a pump provided in the circulation path and discharging the wastewater stored in the tank toward the conveyance path;
Toilet equipment equipped with.
It is equipped with a flapper valve that opens and closes a discharge port formed in the lower part of the toilet bowl part,
The toilet device according to claim 1, wherein the conveyance path is provided downstream of the flapper valve.
The toilet device according to claim 2, wherein the pump is driven when the flapper valve closes the discharge port.
By driving the pump, sewage stored in the tank flows into the conveyance path via the circulation path, and the waste in the conveyance path is conveyed to the crushing section. The toilet device according to any one of the preceding items.
The toilet device according to any one of claims 1 to 4, wherein the conveyance path slopes upward toward the downstream side.
The conveyance path is
an upstream portion in which an outlet of the circulation path is opened at a lower end;
an intermediate portion connected to a lower end portion of the upstream portion and inclined upward toward the downstream side from the outlet;
a downstream part connected to a downstream part of the intermediate part;
It has
The toilet device according to any one of claims 1 to 5, wherein the upstream part and the intermediate part are accommodated in an internal space formed below the toilet bowl part.
The toilet device according to any one of claims 1 to 6, wherein the tank has an inlet into which at least one of rainwater and gray water such as hand washing water flows.