JP6871101B2 - Drainage container for portable toilet, drainage container set for portable toilet and portable toilet system - Google Patents

Description

The present invention relates to a drainage container for a portable toilet, a drainage container set for a portable toilet, and a portable toilet system.

For example, Patent Document 1 discloses a negative pressure suction type toilet. In this negative pressure suction type toilet, one end of a drainage pipe is connected to a bottomed toilet body having a drainage port at the bottom. A negative pressure tank, which is an example of a vacuum tank, is connected to the other end of the drainage pipe. The negative pressure tank is a container having a required pressure resistance, and a vacuum pump is attached to the negative pressure tank. In the negative pressure suction type toilet disclosed in Patent Document 1, the negative pressure tank is put into a predetermined vacuum state and the negative pressure tank and the drainage pipe are opened, so that the drainage accumulated in the toilet bowl is discharged through the drainage pipe. It can be pulled into a negative pressure tank.

Japanese Unexamined Patent Publication No. 2014-125719

By the way, in the negative pressure suction type toilet, when the negative pressure tank and the vacuum pump are arranged indoors, the negative pressure tank is connected to the drainage container via, for example, another drainage pipe, and the drainage container is a negative pressure tank. Placed below. The drainage collected in the negative pressure tank flows to the drainage container through other drainage pipes by natural flow.

The drainage collected in the drainage container is regularly discarded. Here, in order to facilitate the disposal of the drainage collected in the drainage container, the drainage container is detachably connected to another drainage pipe line connected to the negative pressure tank. Therefore, it is preferable that the drainage container has a structure that is easily attached to and detached from other drainage pipes.

The present invention has been made in view of this point, and an object of the present invention is a drainage container for a portable toilet connected to a vacuum tank connected to a portable toilet via a drainage pipe, and is attached to and detached from the drainage pipe. To provide easy-to-use portable toilet drainage containers, portable toilet drainage container sets and portable toilet systems.

The drainage container for a portable toilet according to the present invention is a drainage container for a portable toilet which is connected to a vacuum tank connected to the portable toilet via a drainage pipe and stores the drainage discharged from the portable toilet. The portable toilet drainage container includes a container body having a space inside and a lid body attached to the upper end of the container body. The lid body is provided with a connecting portion that projects upward and is connected to a connector provided in the drainage pipe line. An inclined surface inclined downward from one to the other is formed on the upper part of the connecting portion. A drainage hole through which drainage discharged from the drainage pipe flows flows is formed on the inclined surface.

According to the above-mentioned drainage container for portable toilets, when the drainage container for portable toilets is connected to the drainage pipe line via a connector, for example, while sliding the drainage container for portable toilets toward the other side of the inclined surface. , Close to the connector. At this time, the connector is contacted from a portion that is lowered below the inclined surface, and the connecting portion is arranged below the connector while the inclined surface is gradually pushed toward the connector side. Then, when the connection portion is arranged below the connector, the drainage pipe line and the drainage container for the portable toilet are in a state of communicating with each other. When removing the drainage container for the portable toilet from the connector, the drainage container for the portable toilet is slid and moved toward one side of the inclined surface. At this time, the connecting portion is removed from the connector while the pushing force on the connector side by the inclined surface is weakened. Therefore, by sliding the drainage container for the portable toilet, the drainage pipe and the drainage container for the portable toilet can be attached and detached.

According to a preferred aspect of the present invention, the connection portion is provided with a tapered surface that extends downward from the peripheral edge of the drainage hole and is inclined toward the center of the drainage hole from the upper end to the lower end. ing.

According to the above aspect, the drainage that has passed through the drainage hole flows into the container body along the tapered surface. Therefore, it is possible to make it difficult for the drainage that has flowed into the drainage container for the portable toilet to scatter. In addition, it is possible to make it difficult for drainage to stay on the lid.

According to another preferred aspect of the present invention, an air hole through which the odor in the container body is discharged is formed at a portion of the lid body on the edge side of the lid body with respect to the drain hole.

According to the above aspect, the air hole is a hole through which air such as odor passes, and it is preferable that drainage does not pass through. Here, an air hole is formed at a portion on the edge side of the lid with respect to the drain hole, and the drainage that passes through the drain hole and flows through the tapered surface flows away from the air hole in a plan view. Therefore, it is possible to make it difficult for the drainage that has reached the bottom surface of the container body and scattered to pass through the air holes.

According to another preferred aspect of the present invention, when the lid body is attached to the container body, a portion of the bottom surface of the container body located below the drain hole protrudes toward the lid body. A convex portion is provided.

According to the above aspect, the drainage that has passed through the drainage hole reaches the convex portion in the container body. Here, when the lid is attached to the container body, the distance from the drain hole to the convex portion can be shorter than the distance from the drain hole to the bottom surface portion of the container body where the convex portion is not provided. .. Therefore, it is possible to make it difficult for the drainage that has passed through the drainage hole to scatter inside the container body.

According to another preferred embodiment of the present invention, the angle of the inclined surface with respect to the horizontal plane is 5 to 30 degrees.

From the viewpoint of making the drainage container for the portable toilet compact, the height of the drainage container for the portable toilet is preferably low. In order to make the drainage container for a portable toilet compact, it is preferable that the angle of the inclined surface with respect to the horizontal plane is small. Further, when the connection portion of the drainage container for a portable toilet and the connector are connected, it is preferable to secure the sealing property between the connector and the inclined surface in order to prevent drainage from leaking from between the connector and the inclined surface. As the angle of the inclined surface with respect to the horizontal plane is increased, the connector and the inclined surface are crimped to each other, so that the sealing property is ensured. Therefore, it is preferable that the angle of the inclined surface with respect to the horizontal plane is large. Therefore, the applicant of the present application examined the angle of the inclined surface that can obtain both the compactness of the drainage container for the portable toilet to some extent and the sealing property between the connector and the inclined surface. As a result, by setting the angle of the inclined surface with respect to the horizontal plane to 5 to 30 degrees, the drainage container for the portable toilet can be made compact to some extent, and the sealing property between the connector and the inclined surface can be ensured. I found it. According to the above aspect, by setting the angle of the inclined surface with respect to the horizontal plane to 5 to 30 degrees, it is compact and drainage can be suitably prevented from leaking from between the connector and the inclined surface for a portable toilet. A drainage container can be provided.

The portable toilet drainage container set according to the present invention comprises any of the above-mentioned portable toilet drainage containers and a connector provided in the drainage pipeline and connected to the connection portion of the portable toilet drainage container. I have. The inclined surface is a surface inclined downward from the front end to the rear end of the connecting portion. The connector is formed with a connector inclined surface that is located above the inclined surface and is inclined downward from the front end to the rear end of the connector when the connector is connected to the connecting portion.

According to the portable toilet drainage container set, when connecting the portable toilet drainage container to the drainage pipe line via a connector, for example, the portable toilet drainage container is slid and moved toward the rear side of the inclined surface. While, bring it closer to the connector. At this time, the connector is contacted from a portion that is lowered below the inclined surface, and the connecting portion is arranged below the connector while the inclined surface is gradually pushed toward the connector side. When the connecting portion is arranged below the connector, the inclined surface and the inclined surface of the connector become substantially parallel, and the sealing property between the inclined surface and the inclined surface of the connector can be further ensured. Therefore, it is possible to prevent drainage from leaking from between the connector and the connection portion.

According to a preferred aspect of the present invention, the drainage hole is an elongated hole long in the front-rear direction.

According to the above aspect, even if there is a slight deviation in the front-rear direction between the connection portion and the connector, since the drainage hole is a long hole, the drainage hole and the portable toilet are provided. It can be in a state of communicating with the drainage container. Therefore, even if there is a slight deviation between the connection portion and the connector in the front-rear direction, the drainage flowing from the drainage pipe can flow to the drainage container for the portable toilet through the drainage hole.

According to another preferred aspect of the present invention, the packing provided between the connector inclined surface of the connector and the inclined surface of the connecting portion is provided.

According to the above aspect, the sealing property between the inclined surface of the connector can be further ensured by the packing. Therefore, it is possible to make it more difficult for drainage to leak from between the inclined surface of the connector.

According to another preferred embodiment of the present invention, the packing is supported by the connector.

According to the above aspect, when the connection portion is removed from the connector, the packing is supported by the connector. When connecting the connection to the connector, the connection is connected to the connector with the packing supported by the connector. Therefore, the connection portion can be attached to and detached from the connector without worrying about the packing.

The portable toilet system according to the present invention includes the portable toilet, a vacuum tank connected to the portable toilet, a vacuum pump connected to the vacuum tank, and a drainage pipe having one end connected to the vacuum tank. It includes any of the above-mentioned drainage container sets for portable toilets, and a cabinet in which the vacuum tank, the vacuum pump, the drainage pipe line, and the drainage container for portable toilets are housed.

According to the portable toilet system, it is possible to provide a portable toilet system including any of the above-mentioned portable toilet drainage container sets.

According to a preferred aspect of the present invention, the cabinet is in front of the mounting plate on which the portable toilet drainage container is placed and the portion of the above-mentioned mounting plate on which the portable toilet drainage container is placed. It is provided with a locking projection that protrudes upward.

Since both the inclined surface and the inclined surface of the connector are inclined, when the connection part is connected to the connector, the position of the connection part with respect to the connector shifts, so that the position of the drainage container for the portable toilet with respect to the connector gradually moves forward. There is a risk of misalignment. However, according to the above aspect, since the locking projection is provided in the portion of the mounting plate in front of the portion on which the portable toilet drainage container is placed, the locking projection causes the portable toilet drainage container. Movement to the front is restricted. Therefore, the position of the connection portion with respect to the connector can be made difficult to shift.

According to another preferred embodiment of the present invention, when the portable toilet drainage container is arranged on the above-mentioned mounting plate, the cabinet is a portion of the above-mentioned mounting plate on both left and right sides of the portable toilet drainage container. It has a guide plate that extends upward from.

According to the above aspect, when the portable toilet drainage container is arranged on the mounting plate, the portable toilet drainage container is slid and moved along the guide plate. This makes it easy to place the drainage container for the portable toilet at an appropriate position on the mounting plate.

According to the present invention, a drainage container for a portable toilet is connected to a vacuum tank connected to a portable toilet via a drainage pipe, and the drainage container for the portable toilet and the drainage for the portable toilet are easily attached to and detached from the drainage pipe. Container sets and portable toilet systems can be provided.

It is a side view which shows typically the portable toilet system which concerns on embodiment. It is a front view of a cabinet. It is a front view of a cabinet, and is the figure which shows the state which the lower door is opened. It is a front view of the cabinet, and is the figure which shows the state which the upper door and the lower door are opened. It is a right side sectional view of the cabinet in the VV cross section of FIG. FIG. 5 is a view corresponding to FIG. 5 showing a state in which the drainage container is taken out and the slide shelf is slid forward. It is a perspective view which shows the drainage container and the connector of a drainage container set. It is a side sectional view of the drainage container and the connector in the VIII-VIII cross section of FIG. It is a top view of the drainage container. It is sectional drawing of the drainage container in the XX cross section of FIG. It is a perspective view which shows the connector. It is a top view of the packing. It is a block diagram of the drainage mechanism.

Hereinafter, a portable toilet system including a drainage container for a portable toilet (hereinafter, referred to as a drainage container) according to the embodiment of the present invention will be described with reference to the drawings. It should be noted that the embodiments described here are merely embodiments of the present invention, and of course are not intended to limit the present invention.

FIG. 1 is a side view schematically showing a portable toilet system 100 according to the present embodiment. As shown in FIG. 1, the portable toilet system 100 is a vacuum type toilet system. In the present embodiment, the portable toilet system 100 is a negative pressure suction type toilet system. However, the portable toilet system 100 may be a pressurized toilet system. The portable toilet system 100 according to the present embodiment includes a portable toilet 10 and a drainage mechanism 20.

The portable toilet 10 is a toilet mainly used by so-called persons requiring long-term care such as the elderly and persons with disabilities, and is a toilet preferably used for long-term care. Further, the portable toilet 10 is not a toilet fixed to the floor, but a movable toilet. The specific configuration of the portable toilet 10 is not particularly limited. Although a specific description of the configuration of the portable toilet 10 is omitted here, for example, the portable toilet 10 includes a toilet bowl 11 having a bottomed container for discharging wastewater containing excrement such as stool, and a user. It is equipped with a toilet seat 12, a backrest 13, an armrest 14, and the like. Further, in the portable toilet 10, a drain hole 16 is formed at the bottom of the toilet bowl 11.

The drainage mechanism 20 is a mechanism for draining the drainage including the excrement discharged to the toilet bowl 11 of the portable toilet 10 from the toilet bowl 11. In the present embodiment, the drainage mechanism 20 is a vacuum type mechanism, and drainage is discharged from the toilet bowl 11 by making the vacuum tank 24 described later a negative pressure. That is, here, the drainage mechanism 20 is a negative pressure suction type mechanism. The specific configuration of the drainage mechanism 20 is not particularly limited. In the present embodiment, the drainage mechanism 20 includes a water supply tank 21, a water supply pump 22, a vacuum tank 24, a vacuum pump 26, a first drainage pipe 31, a second drainage pipe 32, a cabinet 70, and the like. It includes a drainage container set 40A and a control device 110 (see FIG. 4).

The water supply tank 21 and the water supply pump 22 supply water to the toilet bowl 11 of the portable toilet 10. Water is stored in the water supply tank 21, and the water supply tank 21 is connected to the toilet bowl 11 via a water supply pipeline (not shown). A water supply pump 22 is connected to the water supply tank 21. Although detailed description will be omitted, when the water supply pump 22 is driven, the water stored in the water supply tank 21 flows to the toilet bowl 11 through the water supply pipeline.

The vacuum tank 24 is a container having a suction hole 24a, and is preferably having a pressure resistance that can withstand a predetermined negative pressure and a predetermined corrosion resistance for temporarily accommodating wastewater. The suction hole 24a is a hole through which drainage enters the vacuum tank 24. In the present embodiment, a drain hole 24d is formed at the bottom of the vacuum tank 24. The vacuum pump 26 is a pump that brings the vacuum tank 24 into a predetermined vacuum state. The vacuum pump 26 is connected to the vacuum tank 24. Although not shown, the vacuum pump 26 may be provided with, for example, a pressure gauge, and a predetermined negative pressure based on the measured value of the pressure gauge may be formed in the vacuum tank 24.

The first drainage pipe 31 connects the toilet bowl 11 of the portable toilet 10 and the vacuum tank 24. In the present embodiment, one end of the first drainage pipe 31 is connected to the drainage hole 16 formed in the toilet bowl 11. The other end of the first drainage pipe 31 is connected to the suction hole 24a of the vacuum tank 24. A part of the first drainage pipe 31 may be curved.

The second drainage pipe line 32 connects the vacuum tank 24 and the drainage container 40 described later in the drainage container set 40A. In the present embodiment, the second drainage pipe 32 is a pipe extending in the vertical direction. One end of the second drainage pipe line 32 is connected to a drainage hole 24d formed at the bottom of the vacuum tank 24. The other end of the second drainage pipe line 32 is connected to the drainage container 40. In the present embodiment, the second drainage pipe 32 is an example of the "drainage pipe" of the present invention.

In the present embodiment, the drainage mechanism 20 may include a valve 35a, an open valve 35b, a valve 35c, and a valve 35d. The valve 35a is for opening and closing the suction hole 24a of the vacuum tank 24, and is provided in, for example, the suction hole 24a. However, the valve 35a may be provided in the first drainage pipe 31 connected to the suction hole 24a. The release valve 35b is a valve for releasing the air in the vacuum tank 24, and is provided in the vacuum tank 24. The valve 35c is for opening and closing the drain hole 24d of the vacuum tank 24, and is provided in, for example, the drain hole 24d. However, the valve 35c may be provided in the second drainage pipe 32 connected to the drainage hole 24d. The valve 35d is provided between the vacuum tank 24 and the vacuum pump 26. In the present embodiment, the valve 35a, the open valve 35b, the valve 35c, and the valve 35d are solenoid valves, respectively.

In the present embodiment, when the vacuum pump 26 operates, the valve 35a provided in the suction hole 24a of the vacuum tank 24, the open valve 35b, and the valve 35c provided in the drain hole 24d are closed, respectively. The valve 35d provided between the vacuum pump 26 and the vacuum tank 24 is opened when the vacuum pump 26 sucks the air in the vacuum tank 24 and forms a negative pressure. In this state, air is sucked out from the vacuum tank 24 by the vacuum pump 26, and the pressure is reduced to a predetermined pressure (for example, about 0.08 MPa or less in absolute pressure). The valve 35d is depressurized to a predetermined pressure and is closed when the vacuum tank 24 draws in drainage.

When the valve 35a provided in the suction hole 24a of the vacuum tank 24 reduced to a predetermined pressure is opened, the drainage collected in the toilet bowl 11 is drawn into the vacuum tank 24 through the first drainage pipe 31. Here, when the drainage is drawn into the vacuum tank 24, the valve 35d provided in the vacuum pump 26 is closed, so that the drainage is prevented from entering the vacuum pump 26. In the present embodiment, when the valve 35c provided in the drain hole 24d of the vacuum tank 24 is opened, the drainage collected in the vacuum tank 24 flows to the drainage container 40 through the second drainage pipe line 32. Further, when the valve 35c provided in the drain hole 24d of the vacuum tank 24 is opened, the open valve 35b of the vacuum tank 24 is opened. This makes it easier for the drainage collected in the vacuum tank 24 to flow into the drainage container 40.

In the present embodiment, the drainage mechanism 20 may include a water level sensor 37. The water level sensor 37 is a sensor that detects the water level of the drainage in the drainage container 40. For example, the water level sensor 37 is provided on any of the partition members 79a and 79b (see FIG. 3), which will be described later. However, the position of the water level sensor 37 is not particularly limited. The type of the water level sensor 37 is not particularly limited, but for example, the water level sensor 37 is a non-contact type sensor and is configured to detect the water level of the drainage in the drainage container 40 without contacting the drainage. You may.

Next, the cabinet 70 will be described. FIG. 2 is a front view of the cabinet 70. FIG. 3 is a front view of the cabinet 70 showing a state in which the lower door 76 is opened. FIG. 4 is a front view of the cabinet 70 showing a state in which the upper door 75 and the lower door 76 are opened. FIG. 5 is a cross-sectional view of the right side of the cabinet 70 in the VV cross section of FIG. 4, showing a state in which the slide shelf 73 is housed in the outer frame 71. FIG. 6 is a view corresponding to FIG. 5 showing a state in which the drainage container 40 is taken out and the slide shelf 73 is slid forward. In the present embodiment, the reference numeral F in the drawing indicates the front, and the reference numeral Rr indicates the back. In the following description, the left, right, top, and bottom when the cabinet 70 is viewed from the direction of reference numeral F mean the left, right, top, and bottom of the cabinet 70, respectively. The symbols L, R, U and D in the drawings shall mean left, right, top and bottom, respectively. However, these directions are merely the directions defined for convenience of explanation, and do not limit the installation mode of the cabinet 70 at all.

As shown in FIG. 5, the cabinet 70 houses a part of the components constituting the drainage mechanism 20 and the drainage container set 40A. In the present embodiment, the cabinet 70 houses the vacuum tank 24, the vacuum pump 26, a part of the first drainage pipe 31 (not shown), the second drainage pipe 32, and the drainage container set 40A. The cabinet 70 is formed in a box shape and has an open front portion. In this embodiment, as shown in FIG. 3, the cabinet 70 has an outer frame 71, a slide shelf 73 (see FIG. 4), an upper door 75, and a lower door 76.

As shown in FIG. 4, the outer frame 71 has a rectangular bottom plate 72a, a left plate 72b, a right plate 72c, a rear plate 72d, and a top plate 72e. Here, the bottom plate 72a is an example of the "mounting plate" of the present invention. The left plate 72b extends upward from the left end of the bottom plate 72a. The right plate 72c faces the left plate 72b in the left-right direction, and extends upward from the right end of the bottom plate 72a. As shown in FIG. 5, the rear plate 72d extends upward from the rear end of the bottom plate 72a. The left end of the rear plate 72d is connected to the rear end of the left plate 72b, and the right end of the rear plate 72d is connected to the rear end of the right plate 72c. The top plate 72e is arranged above the bottom plate 72a and is connected to the upper ends of the left plate 72b, the right plate 72c, and the rear plate 72d, respectively. In the present embodiment, the space surrounded by the outer frame 71 is the accommodation space 78. In this embodiment, casters 79 may be rotatably provided at the four corners of the lower surface of the cabinet 70 (here, the lower surface of the bottom plate 72a).

As shown in FIGS. 5 and 6, the slide shelf 73 is slidable in the front-rear direction with respect to the outer frame 71. In the present embodiment, for example, the vacuum tank 24, the vacuum pump 26, and the control device 110 are placed on the slide shelf 73. Here, the control device 110 is arranged at the front part of the slide shelf 73, and the vacuum tank 24 and the vacuum pump 26 are arranged at the rear part of the slide shelf 73. The slide shelf 73 is a rectangular and plate-shaped shelf, and divides the accommodation space 78 into two spaces in the vertical direction. Here, as shown in FIG. 4, the accommodation space 78 is divided into an upper space 78a located above the slide shelf 73 and a lower space 78b located below the slide shelf 73 by the slide shelf 73.

The specific configuration for sliding the slide shelf 73 in the front-rear direction is not particularly limited. In this embodiment, as shown in FIG. 4, the cabinet 70 includes a slide mechanism 80. The slide mechanism 80 is a mechanism that slides the slide shelf 73 in the front-rear direction with respect to the outer frame 71. In the present embodiment, the slide mechanism 80 includes a pair of guide rails 81a and 81b and sliding members 82a and 82b. The pair of guide rails 81a and 81b guide the slide of the slide shelf 73. The pair of guide rails 81a and 81b are members extending in the front-rear direction, respectively. Here, the left guide rail 81a is provided on the inner surface (here, the right surface) of the left plate 72b. The right guide rail 81b is provided on the inner surface (here, the left surface) of the right plate 72c so as to face the left guide rail 81a in the left-right direction. The sliding members 82a and 82b are slidable on the pair of guide rails 81a and 81b. Here, the sliding members 82a and 82b are elongated in the front-rear direction, respectively. Specifically, the left sliding member 82a is provided at the left end of the slide shelf 73, and is slidably engaged with the left guide rail 81a. The right side sliding member 82b is provided at the right end of the slide shelf 73, and is slidably engaged with the right side guide rail 81b. In the present embodiment, the sliding members 82a and 82b are slidably moved with respect to the pair of guide rails 81a and 81b, so that the slide shelf 73 can be moved in the front-rear direction.

In the present embodiment, as shown in FIG. 6, the cabinet 70 may be provided with a slide lock mechanism 83 that locks the slide shelf 73 when the slide shelf 73 moves to the front. The specific mechanism of the slide lock mechanism 83 is not particularly limited, and may be, for example, a conventionally known mechanism.

As shown in FIG. 2, the upper door 75 is a door provided at the front portion and the upper portion of the outer frame 71. Specifically, as shown in FIG. 5, the upper door 75 opens and closes the opening portion of the upper space 78a and the upper opening portion of the lower space 78b among the openings in the front portion of the cabinet 70. In the present embodiment, as shown in FIG. 2, the upper door 75 has a rectangular plate shape, and the outer surface (front surface in the present embodiment) is a flat surface. Here, the outer surface of the upper door 75 is not formed with a handle or the like on which the user's hand is gripped, or a dent on which the user hooks the hand.

The upper door 75 is detachably provided at the front end of the outer frame 71. In the present embodiment, the upper door 75 is configured to be removable with respect to the outer frame 71 in a state where the lower door 76 opens the lower space 78b. Here, as shown in FIG. 4, the cabinet 70 includes a removal mechanism 44. The upper door 75 is detachably provided on the outer frame 71 by the removal mechanism 44. The specific configuration of the removal mechanism 44 is not particularly limited.

As shown in FIG. 2, the lower door 76 is a door provided at the front portion and the lower portion of the outer frame 71. Specifically, the lower door 76 opens and closes an opening portion of the front portion of the cabinet 70 other than the upper portion of the lower space 78b (see FIG. 4). The lower door 76 is arranged below the upper door 75. In the present embodiment, the lower door 76 has a rectangular plate shape, and the outer surface (front surface in the present embodiment) is a flat surface. Here, similarly to the upper door 75, the outer surface of the lower door 76 is not formed with anything for the user's hand to be gripped or a dent for the user to catch the hand. In the present embodiment, as shown in FIGS. 2 and 3, the lower door 76 is attached to one end of the outer frame 71, and at least a part of the lower space 78b is provided around one end of the outer frame 71 as an axis. It rotates so that it can be opened and closed. Here, the right end of the lower door 76 is fixed to the front end of the right plate 72c of the outer frame 71 via the hinge 76a.

In this embodiment, as shown in FIG. 3, the cabinet 70 includes a door lock mechanism 87 that locks the opening and closing of the lower door 76. The door lock mechanism 87 locks the rotation of the lower door 76 in a state where the lower door 76 closes the lower space 78b, that is, in a state where the lower door 76 is in contact with the front end of the outer frame 71. The specific configuration of the door lock mechanism 87 is not particularly limited. Here, the door lock mechanism 87 is a so-called latch type lock mechanism.

In this embodiment, the cabinet 70 is made of wood. That is, the outer frame 71, the slide shelf 73, the upper door 75, and the lower door 76 are made of wood. However, the material forming the cabinet 70 is not particularly limited. For example, a part or all of the outer frame 71, the slide shelf 73, the upper door 75 and the lower door 76 constituting the cabinet 70 may be made of plastic or metal.

In the present embodiment, as shown in FIG. 3, partition members 79a and 79b are provided on the bottom surface of the outer frame 71 (here, the upper surface of the bottom plate 72a). The partition members 79a and 79b are plates for preventing the drainage container 40 from interfering with other members when the drainage container 40 is housed in the cabinet 70. Further, in the present embodiment, the drainage container 40 is housed in the cabinet 70 while sliding in the front-rear direction. Therefore, the partition members 79a and 79b play a role of guiding when the drainage container 40 is slid. Here, the partition members 79a and 79b extend upward from the bottom plate 72a. Specifically, the left partition member 79a extends obliquely upward to the left from the left portion of the bottom plate 72a. The right partition member 79b extends obliquely upward to the right from the right portion of the bottom plate 72a. The distance between the lower end of the left partition member 79a and the lower end of the right partition member 79b in the left-right direction is slightly longer than the length in the left-right direction of the drainage container 40. Here, the drainage container 40 is arranged in the space between the left partition member 79a and the right partition member 79b. In the present embodiment, the partition members 79a and 79b are examples of the "guide plate" of the present invention.

In this embodiment, the cabinet 70 is provided with a reset button 101. Here, the control device 110 counts the number of times of drainage, which is the number of times the drainage accumulated in the toilet bowl 11 of the portable toilet 10 is discharged by the drainage mechanism 20, and the counted number of times is stored in the storage unit 114 of the control device 110. It is assigned to the drainage count variable. The reset button 101 is a button for resetting the number of times of drainage. Here, when the user presses the reset button 101, the number of times of drainage is reset. The arrangement position of the reset button 101 is not particularly limited. In this embodiment, the reset button 101 is arranged on the bottom plate 72a of the cabinet 70. Specifically, the reset button 101 is arranged at a portion on the left front side of the bottom plate 72a with respect to the left partition member 79a. However, the reset button 101 may be arranged at a portion on the right front side of the bottom plate 72a, for example, on the right side of the right partition member 79b.

Next, the drainage container set 40A according to the present embodiment will be described. FIG. 7 is a perspective view of the drainage container 40 and the connector 90 of the drainage container set 40A. FIG. 8 is a side sectional view of the drainage container 40 and the connector 90 in the VIII-VIII cross section of FIG. In the following description of the drainage container 40 and the connector 90 of the drainage container set 40A, the front, rear, left, right, top, and bottom of the drainage container 40 and the connector 90 mean that the drainage container 40 and the connector 90 are arranged in the cabinet 70. It means the front, the back, the left, the right, the top, and the bottom of the drainage container 40 and the connector 90 at the time of The drainage container set 40A is an example of the "drainage container set for a portable toilet" of the present invention. The drainage container set 40A is a set of containers in which the drainage discharged from the portable toilet 10 is stored. In the present embodiment, as shown in FIG. 7, the drainage container set 40A includes a drainage container 40 and a connector 90.

The drainage container 40 stores the drainage discharged from the vacuum tank 24 (see FIG. 5). The drainage container 40 is an example of the "drainage container for a portable toilet" of the present invention. In the present embodiment, as shown in FIG. 4, the drainage container 40 is arranged on the bottom plate 72a of the cabinet 70 and below the vacuum tank 24. The other end of the second drainage pipe line 32 is detachably connected to the drainage container 40. Here, the drainage container 40 is slid from the front to the back along the bottom plate 72a, and as shown in FIG. 5, when the drainage container 40 is located below the vacuum tank 24, the second drainage pipe line It is configured to be connected to 32. Here, the drainage in the vacuum tank 24 flows into the drainage container 40 by natural flow. In the present embodiment, as shown in FIG. 7, the drainage container 40 includes a container body 41 and a lid 42.

As shown in FIG. 8, the container body 41 is a bottomed one in which a predetermined space is formed. In the present embodiment, a convex portion 45 projecting upward is formed on the bottom surface of the rear portion of the container body 41. That is, the bottom surface of the rear portion of the container body 41 rises upward toward the rear, and a step is formed by the convex portion 45. As shown in FIG. 7, the convex portion 45 is curved so as to be convex forward in the left-right direction toward the center in the left-right direction. Further, as shown in FIG. 8, the convex portion 45 is curved so as to be convex upward on the side surface. Here, for example, the distance from the upper end of the container body 41 to the convex portion 45 is shorter than the distance from the upper end of the container body 41 to the bottom surface of the front portion of the container body 41.

FIG. 9 is a plan view of the drainage container 40. In the present embodiment, as shown in FIG. 9, a handle 46 for the user to grip may be provided at the upper end portion of the container body 41. The handle 46 is pivotally attached to the container body 41 so as to bridge the upper parts of the left and right side surfaces of the container body 41. The handle 46 has a substantially U-shaped shape.

Next, the lid body 42 will be described. As shown in FIG. 8, the lid 42 is provided at the upper end of the container body 41 and is arranged so as to cover the space inside the container body 41. In the present embodiment, the lid body 42 is provided with a connecting portion 50. The connecting portion 50 is a portion connected to the other end of the second drainage pipe line 32 via the connector 90. Here, the connecting portion 50 is a central portion of the rear portion of the lid body 42, and is formed at a portion of the lid body 42 above the convex portion 45 in a state where the lid body 42 is arranged on the container body 41. The connecting portion 50 projects upward from the central portion of the rear portion of the lid body 42.

In the present embodiment, an inclined surface 51 inclined downward from the front end to the rear end of the connecting portion 50 is formed on the upper portion of the connecting portion 50. The inclined surface 51 is a flat surface, which is a surface that comes into contact with the packing 97, which will be described later, when the drainage container 40 is connected to the second drainage pipe line 32 via the connector 90. Here, the angle R1 of the inclined surface 51 with respect to the horizontal plane is 5 degrees to 30 degrees, preferably 5 degrees to 15 degrees. For example, the angle R1 is 10 degrees. Here, the horizontal plane is a plane parallel to the ground plane when the drainage container 40 is housed in the cabinet 70.

A drain hole 52 and an air hole 53 are formed on the inclined surface 51 of the connecting portion 50. The drainage hole 52 is a hole through which the drainage discharged from the portable toilet 10 passes, and is a hole for communicating the second drainage pipe line 32 and the space inside the container main body 41. In the present embodiment, the drain hole 52 is formed in the front portion of the inclined surface 51. Specifically, in a state where the lid 42 is arranged on the container body 41, the drain hole 52 is formed at a portion of the inclined surface 51 above the convex portion 45 of the container body 41. Here, as shown in FIG. 9, the drainage hole 52 is an elongated hole long in the front-rear direction. That is, the length L11 in the front-rear direction of the drain hole 52 is longer than the length L12 in the left-right direction of the drain hole 52.

In the present embodiment, as shown in FIG. 8, a tapered surface 55 is formed on the connecting portion 50. The tapered surface 55 is a surface extending downward from the peripheral edge of the drain hole 52. Here, the tapered surface 55 is inclined toward the center of the drainage hole 52 as it goes downward from the drainage hole 52. Therefore, the hole 56 formed at the lower end of the tapered surface 55 is smaller than the drain hole 52. In other words, the area of the hole 56 is smaller than the area of the drain hole 52.

The air hole 53 is a hole for letting out the air containing odor in the drainage container 40 to the outside. When the lid 42 is arranged in the container body 41, the air holes 53 communicate with the space inside the container body 41. In the present embodiment, the air hole 53 is formed at the rear portion of the inclined surface 51 and at the portion of the inclined surface 51 located behind the drain hole 52. However, the position of the air hole 53 is not particularly limited. For example, the air hole 53 may be located in front of the drain hole 52. Further, the air hole 53 may be formed in a portion other than the connecting portion 50 of the lid body 42. Here, as shown in FIG. 9, the shape of the air hole 53 is a rectangular shape at the front portion and a circular shape at the rear portion, but the air hole 53 may have an elongated hole shape as in the drainage hole 52. Good. Further, here, the air hole 53 is a hole smaller than the drain hole 52. In other words, the area of the air hole 53 is smaller than the area of the drain hole 52. However, the air hole 53 may be larger than the drain hole 52 or may be the same size as the drain hole 52.

In the present embodiment, as shown in FIG. 7, a handle 58 may be formed on the lid body 42. The handle 58 is provided at a central portion of the lid body 42 and at a portion of the lid body 42 located in front of the connecting portion 50. Here, the handle 58 projects upward from the central portion of the lid 42, and the handle 58 is formed with a handle hole 58a penetrating in the left-right direction. The user can hold the lid 42 by inserting his / her hand into the handle hole 58a and grasping the handle 58.

In this embodiment, as shown in FIG. 9, the drainage container 40 includes a container lock member 65. The container lock member 65 locks the lid 42 with respect to the container body 41. Here, one container lock member 65 is provided on each of the left and right sides of the lid body 42. FIG. 10 is a cross-sectional view of the drainage container 40 in the XX cross section of FIG. In the present embodiment, as shown in FIG. 10, a U-shaped cross-section side bent portion 61 having a U-shaped cross section is formed on the peripheral edge of the upper end of the container main body 41. A U-shaped lid-side bent portion 62 having a U-shaped cross section is formed on the peripheral edge of the lid body 42. When the lid 42 is arranged on the container main body 41, the lid side bent portion 62 is arranged on the main body side bent portion 61 so as to cover the main body side bent portion 61. Here, lock member mounting portions 63 projecting outward are formed on both left and right sides of the outer circumference of the lid-side bent portion 62. The container lock member 65 is rotatably provided on the lock member mounting portion 63.

In the present embodiment, the container lock member 65 is provided on the plate-shaped handle portion 66, the bearing portion 67 provided at one end of the handle portion 66 and formed with the rotating shaft 67a extending in the front-rear direction, and the bearing portion 67. The hook portion 68 is provided. The rotary shaft 67a is rotatably supported by the lock member mounting portion 63, and the container lock member 65 rotates as the rotary shaft 67a rotates. The hook portion 68 has a U-shaped cross section and is fitted into the main body side bent portion 61 and the lid side bent portion 62 from below. In the present embodiment, in a state where the lid-side bent portion 62 is arranged on the main body-side bent portion 61, the tip of the handle portion 66 is rotated about the rotation shaft 67a as an axis so that the tip of the handle portion 66 faces downward. At this time, the hook portion 68 of the container lock member 65 is fitted into the main body side bent portion 61 and the lid side bent portion 62 from below. As a result, the lid 42 is locked with respect to the container body 41.

As shown in FIG. 8, the connector 90 is a member for connecting the second drainage pipe line 32 and the drainage container 40. In the present embodiment, the connector 90 is provided at the other end of the second drainage pipe line 32, and when the drainage container 40 slides from the front to the rear and is located below the connector 90, the connector 90 and the connector 90 are provided. The connection portion 50 of the drainage container 40 is connected. FIG. 11 is a perspective view of the connector 90. In the present embodiment, as shown in FIG. 11, the connector 90 includes a connector inclined surface 91 and a connector side surface 92. As shown in FIG. 8, the connector inclined surface 91 is a surface facing the inclined surface 51 of the drainage container 40 when the drainage container 40 is connected to the connector 90. The connector inclined surface 91 is inclined downward from the front end to the rear end. The connector inclined surface 91 is a flat surface. The angle R2 of the connector inclined surface 91 with respect to the horizontal plane is substantially the same as the angle R1 of the inclined surface 51 with respect to the horizontal plane. Here, the angle R2 is 5 to 30 degrees, preferably 5 to 15 degrees. For example, the angle R2 is 10 degrees. In the present embodiment, the connector inclined surface 91 has the same shape as the inclined surface 51.

In the present embodiment, the connector drain hole 93 and the connector air hole 94 are formed on the connector inclined surface 91. The connector drain hole 93 is a hole through which the drainage discharged from the portable toilet 10 passes, and is a hole for communicating the second drainage pipe line 32 and the drainage hole 52 of the drainage container 40. In the present embodiment, the connector drain hole 93 is formed in the front portion of the connector inclined surface 91. Specifically, the connector drain hole 93 is formed at a portion of the connector inclined surface 91 located above the drain hole 52 in a state where the connector 90 and the drain container 40 are connected. In the present embodiment, the shape of the connector drain hole 93 is a perfect circle, but it may be an elongated hole like the drain hole 52. Here, the connector drain hole 93 is smaller than the drain hole 52. That is, the area of the connector drain hole 93 is smaller than the area of the drain hole 52.

In this embodiment, a drainage side connection cylinder 95 extending upward is provided on the peripheral edge of the connector drainage hole 93 of the connector 90. The other end of the second drainage pipe line 32 is connected to the drainage side connection cylinder 95. Here, a thread groove is formed on the outer peripheral surface of the drainage side connection cylinder 95 and the inner peripheral surface of the other end of the second drainage pipe 32. Therefore, the connector 90 is fixed to the second drainage pipe 32 by inserting the drainage side connection pipe 95 into the other end of the second drainage pipe 32.

The connector air hole 94 is a hole for letting air containing odor in the drainage container 40 escape to the outside. When the drainage container 40 is connected to the connector 90, the connector air hole 94 and the air hole 53 of the drainage container 40 communicate with each other. In the present embodiment, the connector air hole 94 is formed at the rear portion of the connector inclined surface 91 and at the portion of the connector inclined surface 91 located behind the connector drain hole 93. Specifically, the connector air hole 94 is formed at a portion of the connector inclined surface 91 located above the air hole 53 of the drainage container 40 in a state where the connector 90 and the drainage container 40 are connected. Here, the shape of the connector air hole 94 is a perfect circular shape, but it may be an elongated hole shape. The connector air hole 94 is smaller than the connector drain hole 93 and the air hole 53. That is, the area of the connector air hole 94 is smaller than the area of the connector drain hole 93 and smaller than the area of the air hole 53. However, the connector air hole 94 may be the same size as the connector drain hole 93, or may be larger than the connector drain hole 93. Further, the connector air hole 94 may have the same size as the air hole 53 or may be larger than the air hole 53.

In the present embodiment, an air-side connecting cylinder 96 extending upward is provided on the peripheral edge of the connector air hole 94. A pipe line (not shown) such as a tube through which air passes is connected to the air side connection cylinder 96. Here, thread grooves are formed on the outer peripheral surface of the air-side connecting cylinder 96 and the inner peripheral surface of the pipeline. Therefore, by inserting the air side connection cylinder 96 into the pipeline, the pipeline is fixed to the connector 90.

As shown in FIG. 11, the connector side surface 92 extends downward from the peripheral edge of the connector inclined surface 91. A space is formed so as to be surrounded by the side surface 92 of the connector, and a part of the connection portion 50 of the drainage container 40 is fitted in the space.

In the present liquid, as shown in FIG. 8, a plate-shaped packing 97 is provided between the connector 90 and the connection portion 50 of the drainage container 40. The packing 97 is made of a porous material, such as a sponge. In the present embodiment, the packing 97 is arranged so as to be surrounded by the connector side surface 92 of the connector 90. FIG. 12 is a plan view of the packing 97. As shown in FIG. 12, the packing 97 includes a packing main body 97a and a support portion 97b. The packing body 97a has the same shape as the connector inclined surface 91. Here, the packing body 97a has a circular shape at the rear and a rectangular shape at the front.

In the present embodiment, the packing main body 97a is formed with a packing drain hole 98a and a packing air hole 98b. The packing drain hole 98a is formed in the front portion of the packing main body 97a. Here, as shown in FIG. 8, when the packing 97 is attached to the connector 90, the packing drain hole 98a is formed at a portion of the packing main body 97a located below the connector drain hole 93. In the present embodiment, the packing drain hole 98a is smaller than the drain hole 52 and slightly larger than the connector drain hole 93. That is, the area of the packing drain hole 98a is smaller than the area of the drain hole 52 and slightly larger than the area of the connector drain hole 93. The packing air hole 98b is formed at the rear portion of the packing main body 97a. Here, in a state where the packing 97 is attached to the connector 90, the packing air hole 98b is formed at a portion of the packing main body 97a located below the connector air hole 94. In this embodiment, the packing air hole 98b is smaller than the air hole 53 and larger than the connector air hole 94. That is, the area of the packing air hole 98b is smaller than the area of the air hole 53 and larger than the area of the connector air hole 94.

As shown in FIG. 12, two support portions 97b are provided on each of the left and right sides of the packing main body 97a. Specifically, the two support portions 97b on the left side are provided on the front portion and the rear portion of the left end of the packing main body 97a, and project to the left. The two support portions 97b on the right side are provided on the front portion and the rear portion of the right end of the packing main body 97a, and project to the right. The shape of the four support portions 97b is a prismatic shape. In the present embodiment, as shown in FIG. 11, two support holes 92a are formed on the left and right side surfaces of the connector side surface 92 of the connector 90. By inserting the support portion 97b of the packing 97 into each of the support holes 92a, the packing 97 is in a state of being supported by the connector 90.

In the present embodiment, as shown in FIG. 3, the bottom plate 72a of the cabinet 70 is provided with a locking projection 99. The locking projection 99 is for suppressing the drainage container 40 from being disengaged from the connector 90 by sliding the drainage container 40 when the drainage container 40 is connected to the connector 90 on the bottom plate 72a. As shown in FIG. 5, the locking projection 99 is formed at a portion of the bottom plate 72a located in front of the drainage container 40 in a state where the drainage container 40 is connected to the connector 90. The locking projection 99 is arranged immediately in front of the drainage container 40. Here, the locking projection 99 slightly protrudes upward from the bottom plate 72a. The shape and material of the locking projection 99 are not particularly limited. In the present embodiment, the locking projection 99 has a rectangular shape in a plan view and is made of metal.

Next, the control device 110 will be described. FIG. 13 is a block diagram of the drainage mechanism 20. The control device 110 controls the discharge of wastewater containing excrement in the toilet bowl 11 of the portable toilet 10. The control device 110 includes a microcomputer. The control device 110 includes a central processing unit (CPU), a ROM in which a program executed by the CPU and the like are stored, a RAM, and the like. Here, the program stored in the microcomputer is used to control the discharge of excrement. The program referred to here is so-called firmware.

In this embodiment, as shown in FIG. 4, the control device 110 is housed in the cabinet 70. Specifically, the control device 110 is housed in a metal control case 111. As shown in FIG. 13, the control device 110 is connected to the water supply pump 22, the vacuum pump 26, the valve 35a, the open valve 35b, the valve 35c, the valve 35d, the water level sensor 37, and the reset button 101. It controls the vacuum pump 26, the valve 35a, the open valve 35b, the valve 35c, the valve 35d, the water level sensor 37, and the reset button 101. The control device 110 is connected to the water supply pump 22, the vacuum pump 26, the valve 35a, the open valve 35b, the valve 35c, the valve 35d, the water level sensor 37, the reset button 101, and the like via wiring 112 such as a conducting wire. There is. Here, as shown in FIG. 4, a part of the wiring 112 is housed in a portion of the bottom plate 72a of the cabinet 70 on the right side of the right partition member 79b. A part of a pipeline such as a tube may be housed in a portion of the bottom plate 72a to the right of the right partition member 79b.

Here, the portable toilet 10 is controlled by controlling the water supply pump 22, the vacuum pump 26, the valve 35a, the open valve 35b, the valve 35c, the valve 35d, the water level sensor 37, and the reset button 101 according to the above program. The drainage collected in the toilet bowl 11 is discharged. In the present embodiment, as shown in FIG. 13, the control device 110 includes a storage unit 114, a counting unit 115, a warning unit 116, and a reset unit 117. In the storage unit 114, for example, a discharge number variable to which the discharge number, which is the number of times the wastewater is discharged from the toilet bowl 11 of the portable toilet 10, is substituted, is stored. The counting unit 115 is configured to count the number of times of drainage, which is the number of times of drainage. Here, when the wastewater is discharged from the toilet bowl 11 of the portable toilet 10, the counting unit 115 adds 1 to the discharge number variable. When the number of times of drainage exceeds a predetermined number of times, the warning unit 116 is configured to issue a warning that drainage has accumulated in the drainage container 40 by using, for example, a speaker (not shown). .. Further, the warning unit 116 is configured to issue a warning when the water level of the drainage in the drainage container 40 detected by the water level sensor 37 is equal to or higher than a predetermined water level. For example, when the reset button 101 is pressed, a reset signal is transmitted from the reset button 101 to the control device 110. Then, after receiving the reset signal, the reset unit 117 is configured to reset the number of times of drainage by substituting 0 for the number of times of drainage variable.

As described above, in the present embodiment, as shown in FIG. 8, when the drainage container 40 is connected to the second drainage pipe line 32 via the connector 90, for example, the direction of the other side of the inclined surface 51 of the drainage container 40 (here). Then, while sliding the drainage container 40 toward the rear), the drainage container 40 is brought closer to the connector 90. At this time, the connector 90 is brought into contact with the portion that is lowered below the inclined surface 51, and the connecting portion 50 is arranged below the connector 90 while the inclined surface 51 is gradually pushed toward the connector 90. Then, when the connecting portion 50 is arranged below the connector 90, the second drainage pipe line 32 and the drainage container 40 are in a state of communicating with each other. When the connecting portion 50 is arranged below the connector 90, the inclined surface 51 and the connector inclined surface 91 become substantially parallel, and the sealing property between the inclined surface 51 and the connector inclined surface 91 can be further ensured. .. Therefore, it is possible to prevent drainage from leaking between the connector 90 and the connection portion 50.

Further, in the present embodiment, when the drainage container 40 is removed from the connector 90, the drainage container 40 is slid and moved toward one side (here, forward) of the inclined surface 51. At this time, the connecting portion 50 is removed from the connector 90 while the pushing force of the inclined surface 51 toward the connector 90 side is weakened. Therefore, by sliding the drainage container 40, the second drainage pipe line 32 and the drainage container 40 can be attached and detached.

In the present embodiment, the connecting portion 50 is provided with a tapered surface 55 extending downward from the peripheral edge of the drain hole 52 and inclined toward the center of the drain hole 52 from the upper end to the lower end. As a result, the drainage that has passed through the drainage hole 52 flows into the container body 41 along the tapered surface 55. Therefore, it is possible to make it difficult for the drainage that has flowed into the drainage container 40 to scatter. In addition, it is possible to make it difficult for drainage to stay in the lid 42.

In the present embodiment, the odor in the container body 41 is discharged to the portion of the lid 42 on the edge side of the lid 42 from the drain hole 52 (here, the portion of the lid 42 behind the drain hole 52). Air holes 53 are formed. The air hole 53 is a hole through which air such as odor passes, and preferably does not allow drainage to pass through. Here, an air hole 53 is formed at a portion on the edge side of the lid 42 with respect to the drain hole 52, so that the drainage that passes through the drain hole 52 and flows through the tapered surface 55 is separated from the air hole 53 in a plan view. Flow to. Therefore, it is possible to make it difficult for the drainage that has reached the bottom surface of the container body 41 and scattered to pass through the air hole 53.

In the present embodiment, when the lid 42 is attached to the container body 41, a convex portion 45 protruding toward the lid 42 is provided on the bottom surface of the container body 41 located below the drain hole 52. ing. As a result, the drainage that has passed through the drainage hole 52 reaches the convex portion 45 in the container main body 41. Here, when the lid 42 is attached to the container body 41, the distance from the drain hole 52 to the convex portion 45 is larger than the distance from the drain hole to the bottom surface of the container body in the container body having no convex portion. Can be shortened. Therefore, it is possible to prevent the drainage that has passed through the drainage hole 52 from scattering in the container body 41.

In order to make the cabinet 70 compact, for example, the drainage container 40 may be made compact. Therefore, from the viewpoint of making the drainage container 40 compact, the height of the drainage container 40 is preferably low. In order to make the drainage container 40 compact, it is preferable that the angle R1 of the inclined surface 51 with respect to the horizontal plane is small. Further, when the connecting portion 50 of the drainage container 40 and the connector 90 are connected, the sealing property between the connector 90 and the inclined surface 51 is ensured in order to prevent drainage from leaking between the connector 90 and the inclined surface 51. Is preferable. As the angle R1 of the inclined surface 51 with respect to the horizontal plane is increased, the connector 90 and the inclined surface 51 are crimped to each other, so that the sealing property is ensured. Therefore, it is preferable that the angle R1 of the inclined surface 51 with respect to the horizontal plane is large. Therefore, the applicant of the present application examined the angle R1 of the inclined surface 51 which can obtain both the compactness of the drainage container 40 to some extent and the sealing property between the connector 90 and the inclined surface 51. As a result, by setting the angle of the inclined surface 51 with respect to the horizontal plane to 5 to 30 degrees, the drainage container 40 can be made compact to some extent, and the sealing property between the connector 90 and the inclined surface 51 can be ensured. I found it. According to the present embodiment, the cabinet 70 can be made compact by setting the angle R1 of the inclined surface 51 with respect to the horizontal plane to 5 to 30 degrees, and drainage can be drained from between the connector 90 and the inclined surface 51. It is possible to provide a drainage container 40 that can suitably prevent leakage.

In the present embodiment, as shown in FIG. 9, the drainage hole 52 is an elongated hole long in the front-rear direction. As a result, even if there is a slight deviation in the front-rear direction between the connection portion 50 and the connector 90, since the drainage hole 52 is a long hole, the drainage hole 52 provides a second drainage pipeline. It is possible to make the 32 and the drainage container 40 communicate with each other. Therefore, even if the connection portion 50 and the connector 90 are slightly displaced in the front-rear direction, the drainage flowing from the second drainage pipe line 32 can flow to the drainage container 40 through the drainage hole 52.

In the present embodiment, as shown in FIG. 8, a packing 97 is provided between the connector inclined surface 91 of the connector 90 and the inclined surface 51 of the connecting portion 50. As a result, the packing 97 can further secure the sealing property between the connector inclined surface 91 and the inclined surface 51. Therefore, drainage can be made less likely to leak from between the connector inclined surface 91 and the inclined surface 51.

In this embodiment, the packing 97 is supported by the connector 90. As a result, when the connecting portion 50 is removed from the connector 90, the packing 97 is supported by the connector 90. When connecting the connecting portion 50 to the connector 90, the connecting portion 50 is connected to the connector 90 with the packing 97 supported by the connector 90. Therefore, the connection portion 50 can be attached to and detached from the connector 90 without worrying about the packing 97.

In the present embodiment, as shown in FIG. 5, the cabinet 70 is provided at a portion in front of the bottom plate 72a on which the drainage container 40 is placed and the portion of the bottom plate 72a on which the drainage container 40 is placed, and is above the bottom plate 72a. It is provided with a locking projection 99 that protrudes from the surface. Since both the inclined surface 51 and the connector inclined surface 91 are inclined, when the connection portion 50 is connected to the connector 90, the drainage container 40 slides and the position of the connection portion 50 with respect to the connector 90 shifts, so that the connector The position of the drainage container 40 with respect to 90 may gradually shift forward. In particular, when the drainage container 40 does not contain drainage, the position of the drainage container 40 tends to shift forward. However, according to the present embodiment, since the locking projection 99 is provided in the portion of the bottom plate 72a in front of the portion on which the drainage container 40 is placed, the locking projection 99 causes the drainage container 40 to move forward. Movement is restricted. Therefore, the position of the connection portion 50 with respect to the connector 90 can be made difficult to shift.

In the present embodiment, as shown in FIG. 3, when the drainage container 40 is arranged on the bottom plate 72a, the cabinet 70 has partition members 79a and 79b extending upward from the portions of the bottom plate 72a on both the left and right sides of the drainage container 40. It has. As a result, when the drainage container 40 is arranged on the bottom plate 72a, the drainage container 40 is slid and moved along the partition members 79a and 79b. This makes it easy to arrange the drainage container 40 at an appropriate position on the bottom plate 72a.

When the drainage container 40 is connected to the second drainage pipe line 32, the drainage container 40 is opened to either the other end of the second drainage pipe line 32 or the connection portion 50 of the drainage container 40, and the drainage container 40 is opened. An opening / closing mechanism such as a shutter that closes when the second drainage pipe 32 is removed may be provided.

10 Portable toilet 24 Vacuum tank 40 Drainage container (Drainage container for portable toilet)
40A drainage container set (drainage container set for portable toilets)
41 Container body 42 Lid 45 Convex 50 Connection 51 Inclined surface 52 Drain hole 53 Air hole 55 Tapered surface 90 Connector 97 Packing 99 Locking protrusion 100 Portable toilet system

Claims (12)

A drainage container for a portable toilet that is connected to a vacuum tank connected to the portable toilet via a drainage pipe and stores the drainage discharged from the portable toilet.
The container body with space inside and
A lid attached to the upper end of the container body and
With
The lid is provided with a connecting portion that projects upward and is connected to a connector provided in the drainage pipe.
An inclined surface inclined downward from one to the other is formed on the upper part of the connecting portion.
A drainage container for a portable toilet in which a drainage hole through which drainage discharged from the drainage pipe flows flows is formed on the inclined surface. The first aspect of the present invention, wherein the connection portion is provided with a tapered surface extending downward from the peripheral edge of the drain hole and sloping toward the center of the drain hole from the upper end to the lower end. Drainage container for portable toilets. The drainage container for a portable toilet according to claim 2, wherein an air hole for discharging odor in the container body is formed at a portion of the lid body on the edge side of the lid body with respect to the drainage hole. Claim 1 in which, when the lid body is attached to the container body, a convex portion protruding toward the lid body is provided at a portion of the bottom surface of the container body located below the drain hole. A drainage container for a portable toilet according to any one of 1 to 3. The drainage container for a portable toilet according to any one of claims 1 to 4, wherein the angle of the inclined surface with respect to the horizontal plane is 5 to 30 degrees. The drainage container for a portable toilet according to any one of claims 1 to 5.
A connector provided in the drainage pipe and connected to the connection portion of the drainage container for a portable toilet.
With
The inclined surface is a surface inclined downward from the front end to the rear end of the connection portion.
When the connector is connected to the connection portion, the connector is formed with a connector inclined surface that is located above the inclined surface and is inclined downward from the front end to the rear end of the connector. Drainage container set for portable toilets. The drainage container set for a portable toilet according to claim 6, wherein the drainage hole is a long hole long in the front-rear direction. The drainage container set for a portable toilet according to claim 6 or 7, further comprising a packing provided between the inclined surface of the connector of the connector and the inclined surface of the connection portion. The portable toilet drainage container set according to claim 8, wherein the packing is supported by the connector. With the portable toilet
A vacuum tank connected to the portable toilet and
With the vacuum pump connected to the vacuum tank,
A drainage pipe with one end connected to the vacuum tank,
The drainage container set for a portable toilet according to any one of claims 6 to 9,
A cabinet in which the vacuum tank, the vacuum pump, the drainage pipe, and the drainage container for a portable toilet are housed,
A portable toilet system equipped with. The cabinet
A mounting plate on which the drainage container for a portable toilet is placed,
A locking projection provided in a portion of the above-mentioned mounting plate in front of the portion on which the portable toilet drainage container is placed and protruding upward,
10. The portable toilet system according to claim 10. The cabinet is provided with a guide plate extending upward from the portion of the previously described plate on both the left and right sides of the portable toilet drain container when the portable toilet drain container is arranged on the previously described plate. Item 11. The portable toilet system according to item 11.

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