JP6350819B2 - urinal - Google Patents

Description

  The present invention relates to a urinal, and more particularly, to a urinal that discharges in response to urination.

Conventionally, as a urinal that receives and discharges urine, as described in Patent Document 1, for example, in a washing nozzle of a spreader that is a water discharge device that discharges washing water into the bowl portion of the urinal, to the side A plurality of discharge ports, that is, discharge ports downward and downward, are formed, and by switching the switching valve, the same flow rate [L / min] (hereinafter referred to as “instantaneous flow rate [L / It is known that the cleaning water of “min]”) is discharged.
Moreover, in patent document 2, in the washing nozzle of the spreader which is the water discharging apparatus which discharges washing water in the bowl part of a urinal, the 1st water discharge flow path and this 1st drainage channel are provided in the front-end | tip part by the side of the bowl part. A water discharge flow channel and a second water discharge flow channel having different water discharge ranges are formed, and wash water having the same instantaneous flow rate ([L / min]) is supplied to the first water discharge flow channel from one common supply flow channel. What is supplied to each of the second water discharge channels is also known.

JP 2004-150013 A JP-A-8-239889

However, in the conventional urinals described in Patent Documents 1 and 2 described above, if the urine scattered and adhered to the bowl surface of the bowl portion over a wide range is effectively washed, an excessive amount of washing water is used. Therefore, there is a problem that the washing water must be discharged at a higher instantaneous flow rate, and it is impossible to meet the recent demand for water saving of the washing water.
Also, in recent urinals, due to diversification of toilet body design, there are many forms in which a continuous smooth curved and aesthetic curved surface is adopted for the bowl part and side wall shape of the toilet body, When flush water is sprinkled onto a bowl surface having such a smooth curved surface of the bowl portion at a higher instantaneous flow rate, depending on the form of the bowl surface, part of the flushed wash water may be outside the bowl surface. There is also a problem that the cleaning performance of the urinal is impaired because it is easy to jump out.
Accordingly, there is a demand for how to provide a urinal that can clean a wide range of dirt due to urine adhering to the bowl surface of the bowl portion with a low amount of washing water.

  Accordingly, the present invention has been made to solve the above-described problems and problems of the prior art, and effectively removes dirt due to urine adhering to the bowl surface of the bowl portion over a wide range with a low amount of washing water. The object is to provide a urinal that can be cleaned.

In order to achieve the above object, the present invention is a urinal for receiving and discharging urine, which forms a bowl surface for receiving urine and forms a drain outlet at the bottom thereof, A water discharge device that is provided in an upper region and discharges cleaning water into the bowl portion; and a discharge portion that is provided downstream of the drain port of the bowl portion and forms sealed water therein, and The water spouting device includes a first water spouting portion that spouts the cleaning water toward a substantially central region of the bowl surface, and a water in the bowl portion so that the cleaning water is landed on a predetermined region of the bowl surface that is separated from the water spouting device. A second water discharge portion that discharges water horizontally and / or obliquely upward, and the instantaneous flow rate of the wash water discharged from the second water discharge portion is the wash water discharged from the first water discharge portion. It is set lower than the instantaneous flow rate of It is.
In the present invention configured as described above, when the bowl surface of the bowl portion of the urinal after use is washed, when water is discharged from the first water discharge portion of the water discharge device, a relatively high instantaneous flow rate is obtained. Wash water is discharged. Since the washing water at this time is discharged toward the substantially central region of the bowl surface of the bowl portion, the bowl surface is washed by flowing down to the drain outlet along the bowl surface without jumping out of the bowl portion. After that, it flows into the discharge part from the drain outlet at a relatively high instantaneous flow rate. As a result, the wash water that has flowed into the discharge unit can effectively discharge the urine in the discharge unit, and foreign matter such as pubic hair in the drainage unit (for example, drainage pipes) in the discharge unit or downstream thereof is also effective. Can be removed. On the other hand, when water is discharged from the second water discharger of the water discharger, the wash water is discharged at an instantaneous flow rate lower than the instantaneous flow rate of the wash water discharged from the first water discharger. In this case, the water discharged from the second water discharger is discharged horizontally and / or obliquely upward in the bowl so as to land on a predetermined region of the bowl surface separated from the water discharger. Until the water reaches a predetermined area of the bowl surface that is separated from the water, the bowl surface is hardly touched, and the momentary water flow rate at the time of water discharge from the second water discharge section is maintained as it is, leaving the water discharge device as it is. It is possible to land on a predetermined area in the bowl surface. In addition, the wash water that has landed on a predetermined area of the bowl surface flows so as to spread in the left-right direction along the bowl surface, and jumps out of the bowl portion while widening the range for washing the bowl surface in the left-right direction. Therefore, the bowl surface can be effectively cleaned over a wide range even with a relatively low instantaneous flow rate of water discharged from the second water discharger. As a result, dirt from urine adhering to the bowl surface of the bowl portion can be washed over a wide range with a low amount of washing water, and foreign matters such as pubic hair in the discharge portion can be efficiently removed. Thus, waste water containing urine in the discharge part can be efficiently replaced with washing water.

In the present invention, preferably, the second water discharge portion is provided in the tip portion of the bowl portion so as to cause the washing water to land on a predetermined region of the bowl surface that is separated from the second water discharge portion. The nozzle part which discharges water horizontally and / or diagonally upwards is provided.
In the present invention configured as described above, the instantaneous flow rate of the wash water discharged from the nozzle portion of the second water discharge unit of the water discharge device is lower than the instantaneous flow rate of the wash water discharged from the first water discharge unit. Thus, water is sprayed in a horizontal direction and / or obliquely upward in the bowl portion so as to land on a predetermined region of the bowl surface separated from the water discharging device, thereby landing on a predetermined region of the bowl surface separated from the water discharging device. Up to a predetermined area of the bowl surface that is separated from the second water discharge part while maintaining the momentum of the water discharge with the instantaneous flow rate at the time of water discharge of the nozzle part of the second water discharge part. Can land on. In addition, the wash water after landing on a predetermined area of the bowl surface flows so as to spread in the left-right direction along the bowl surface, so that the cleaning range of the bowl surface is widened in the left-right direction and the outside of the bowl portion. Since it flows to the drainage port without jumping out, the bowl surface can be effectively washed over a wide range with a relatively low instantaneous flow rate of washing water discharged from the nozzle part of the second water discharge part by a simple configuration by the nozzle part. Can do.

In the present invention, it is preferable that the tip of the nozzle portion of the second water discharger has a cleaning water landing on a predetermined region of the bowl surface spaced from the second water discharger. A water outlet having a single circular cross-sectional shape capable of discharging water horizontally and / or obliquely upward is formed.
In the present invention configured as described above, the cleaning water discharged from the single circular cross-section water discharge port of the nozzle portion of the second water discharge unit of the water discharge device is discharged from the first water discharge unit. The bowl surface separated from the second water discharge unit by discharging water horizontally and / or obliquely upward in the bowl unit so as to land on a predetermined region of the bowl surface at an instantaneous flow rate lower than the instantaneous flow rate of water Until the water reaches the specified area, the bowl surface is hardly contacted, and the momentum of the water discharge is maintained as it is at the instantaneous flow rate at the time of water discharge at the single circular cross-section water outlet of the nozzle part of the second water discharge part. In this state, it is possible to land on a predetermined area of the bowl surface that is separated from the second water discharger. In addition, the wash water after landing on a predetermined area of the bowl surface flows so as to spread in the left-right direction along the bowl surface, so that the cleaning range of the bowl surface is widened in the left-right direction and the outside of the bowl portion. Since it flows to the drainage port without jumping out, a relatively low instantaneous flow rate of water discharged from the nozzle part of the second water discharger can be obtained by a simple configuration of the nozzle part of the second water discharger having a single circular cross-sectional shape. The bowl surface can be effectively washed over a wide range with washing water.

In the present invention, it is preferable that the tip of the nozzle portion of the second water discharger has a cleaning water landing on a predetermined region of the bowl surface spaced from the second water discharger. A plurality of water spray holes that can discharge water horizontally and / or obliquely upward are formed.
In the present invention configured as described above, the wash water discharged from the plurality of water spray holes of the nozzle portion of the second water discharge unit of the water discharge device is based on the instantaneous flow rate of the wash water discharged from the first water discharge unit. With a low instantaneous flow rate, water is discharged in a shower-like manner horizontally and / or obliquely upward in the bowl so as to land on a predetermined area of the bowl surface. Until the water is flushed, the surface of the second spout is almost in contact with the second spout, while maintaining the momentum of the spout as it is at the momentary flow rate at the time of sprinkling at the plurality of sprinkling holes of the nozzle of the second spout. It is possible to land on a predetermined region of the separated bowl surface. In addition, the wash water after landing on a predetermined area of the bowl surface flows so as to spread in the left-right direction along the bowl surface, so that the cleaning range of the bowl surface is widened in the left-right direction and the outside of the bowl portion. Since it flows up to the drain port without jumping out, the bowl surface can be used even with a relatively low instantaneous flow rate of flushing water discharged from the nozzle part of the second water discharge part by a simple configuration with a plurality of water spray holes in the nozzle part of the second water discharge part. Can be effectively cleaned over a wide range.

In this invention, Preferably, the nozzle part of the said 2nd water discharging part is a some nozzle part arrange | positioned mutually symmetrically with respect to the said 1st water discharging part by front view.
In the present invention configured as described above, the wash water discharged from each of the plurality of nozzle portions of the second water discharge portion arranged symmetrically with respect to the first water discharge portion is the first water discharge portion. The water is discharged toward the horizontal and / or diagonally upward in the bowl so as to land on each predetermined area of the bowl surface separated from the water discharge device at an instantaneous flow rate lower than the instantaneous flow rate of the wash water discharged from the water discharge unit. As a result, there is almost no contact with the bowl surface until it reaches the respective predetermined areas of the bowl surface separated from the water discharging device, and the momentum of the discharged water with the instantaneous flow rate at the time of water discharge of the nozzle portion of the second water discharging unit In this state, water can land on a predetermined area of the bowl surface that is spaced from the second water discharger. In addition, the washing water after landing on each predetermined area of the bowl surface flows in a horizontal direction along the bowl surface, so that the cleaning range of the bowl surface is expanded in the horizontal direction while expanding the range of cleaning the bowl surface. The second water discharger has a simple configuration in which each of the plurality of nozzle portions of the second water discharger is arranged symmetrically with respect to the first water discharger, so that it flows to the drainage port without jumping out to the outside. The bowl surface can be effectively cleaned over a wider range even with relatively low instantaneous flow rate of cleaning water discharged from each of the plurality of nozzle portions.

In the present invention, the nozzle portion of the second water discharge portion includes a base end portion provided in the vicinity of the first water discharge portion, and from the base end portion toward one side of the first water discharge portion. A first nozzle portion formed to extend at a predetermined inclination angle, and a second nozzle portion formed to extend at a predetermined inclination angle from the base end portion toward the other side of the first water discharge portion. A nozzle portion.
In the present invention configured as described above, the nozzle portion of the second water discharge portion includes a base end portion provided in the vicinity of the first water discharge portion, and one of the first water discharge portion from the base end portion. A first nozzle portion formed to extend toward the side at a predetermined inclination angle, and a first nozzle portion formed to extend from the base end portion to the other side of the first water discharge portion at a predetermined inclination angle. The cleaning water discharged from each of the first nozzle portion and the second nozzle portion of the second water discharge portion has landed on each predetermined region of the bowl surface. After that, by flowing so as to expand in the left-right direction along the bowl surface, the range of cleaning the bowl surface is expanded in the left-right direction, and flows to the drain outlet without jumping out of the bowl portion. Each of the first nozzle part and the second nozzle part is a base end part. The relatively low water discharged from each of the first nozzle portion and the second nozzle portion of the second water discharge portion by a simple configuration extending at a predetermined inclination angle toward each side of the first water discharge portion. Even with the instantaneous flow rate of cleaning water, the bowl surface can be effectively cleaned over a wider range.

In the present invention, preferably, the water discharge device is further supplied from the main water supply channel connected to a main water supply channel to which cleaning water is supplied from a water supply source, and a branch portion on the downstream side of the main water supply channel. A first water supply channel that supplies cleaning water to the first water discharge unit, and a cleaning water that is connected to the branch portion of the main water supply channel and supplied from the main water supply channel is supplied to the second water discharge unit. A second water supply channel, a first flow rate adjusting means provided in the first water supply channel to adjust an instantaneous flow rate of the cleaning water in the first water supply channel, and a second water supply channel. And second flow rate adjusting means for adjusting the instantaneous flow rate of the cleaning water in the second water supply path to be lower than the instantaneous flow rate of the cleaning water in the first water supply channel.
In the present invention configured as described above, the water discharge device further includes a main water supply channel that supplies cleaning water from a water supply source, and a cleaning device that is connected to the branch portion of the main water supply channel and supplied from the main water supply channel. The 1st water supply path which supplies water to the 1st water discharge part, and the 2nd water supply path which is connected to the branch part of the main water supply path, and supplies the wash water supplied from the main water supply path to the 2nd water discharge part And a first flow rate adjusting means for adjusting the instantaneous flow rate of the cleaning water in the first water supply channel provided in the first water supply channel, and a cleaning water in the second water supply channel provided in the second water supply channel Each of the second flow rate adjusting means for adjusting the instantaneous flow rate to be lower than the instantaneous flow rate of the cleaning water in the first water supply channel, thereby ensuring the second water discharge with a relatively simple configuration. The instantaneous flow rate of the cleaning water discharged from the first portion is set lower than the instantaneous flow rate of the cleaning water discharged from the first water discharging portion. It can be. Therefore, the dispersion | variation in the water discharging performance in each of the 1st water discharging part and the 2nd water discharging part of a water discharging apparatus can be suppressed.

In the present invention, preferably, the water discharge device further discharges wash water from the second water discharge portion when the user uses a urinal, and the user uses the urinal. Separately, a control unit is provided that controls to discharge the wash water from the first water discharge unit every time a predetermined time elapses.
In the present invention configured as described above, when the user uses a urinal, the water discharge device discharges wash water from the second water discharge unit, and when the user uses the urinal Separately, when the user uses the urinal by providing a control unit that controls to discharge the wash water from the first water discharge unit every time a predetermined time elapses, water discharge from the second water discharge unit The washed water can effectively wash the bowl surface over a wide range with an instantaneous flow rate lower than the instantaneous flow rate of the cleaning water discharged from the first water discharger. Furthermore, apart from the case where the user uses the urinal, the wash water discharged from the first water discharge portion every time a predetermined time elapses is a substantially central region of the bowl surface of the bowl portion with a relatively high instantaneous flow rate. After washing the bowl surface by flowing down to the drainage outlet along the bowl surface without jumping out of the outside of the bowl part, the urine in the drainage part flows into the discharge part from the drain outlet at a relatively high instantaneous flow rate. While being able to discharge effectively, foreign substances such as pubic hair in the discharge portion can also be effectively removed, so that it is possible to perform cleaning that protects the drainage equipment in the discharge portion and its downstream side.

In this invention, Preferably, the said water discharging apparatus is further equipped with the electrolysis bactericidal water supply part which contains the electrolytic cell which produces | generates an electrolysis bactericidal water, and supplies the said electrolysis bactericidal water to a said 2nd water discharging part. Yes.
In this invention comprised in this way, the water discharging apparatus is further equipped with the electrolysis bactericidal water supply part which produces | generates an electrolysis bactericidal water and supplies this electrolysis bactericidal water to a 2nd water discharging part. When water is discharged from the second water discharger, the water discharged from the first water discharger is used for the wash water containing the electricity release fungus water supplied to the second water discharger from the electric discharge water supply unit. Since water is discharged at an instantaneous flow rate that is lower than the instantaneous flow rate of water, it is possible to suppress the load of the electrolyzed sterilized water supply unit from generating electrolyzed microbial water.

  According to the urinal of the present invention, dirt due to urine adhering to the bowl surface of the bowl portion can be effectively washed over a wide range with a low washing water amount.

1 is a schematic perspective view of a urinal according to a first embodiment of the present invention. It is a front view of the urinal by a 1st embodiment of the present invention. It is a side view of the urinal by a 1st embodiment of the present invention. It is a top view of the urinal by a 1st embodiment of the present invention. It is the schematic which shows the structure of the automatic washing unit of the urinal by 1st Embodiment of this invention. It is a disassembled perspective view of the spreader of the urinal according to the first embodiment of the present invention. It is a front view of the spreader of the urinal according to the first embodiment of the present invention. It is a side view of the spreader of the urinal according to the first embodiment of the present invention. It is side surface sectional drawing of the spreader of the urinal by 1st Embodiment of this invention. It is sectional drawing seen along the XX line of FIG. It is the elements on larger scale which expanded the front-end | tip part of the nozzle part of the spreader of the urinal by 1st Embodiment of this invention. It is a perspective view which shows the state which attached the spreader of the urinal by 1st Embodiment of this invention to the bowl surface, and is the figure which demonstrated schematically the flow of the wash water at the time of water discharge. It is the elements on larger scale which expanded the front-end | tip part of the nozzle part of the spreader of the urinal by 2nd Embodiment of this invention. It is the elements on larger scale which expanded the front-end | tip part of the nozzle part of the spreader of the urinal by 3rd Embodiment of this invention.

Hereinafter, a urinal according to a first embodiment of the present invention will be described with reference to the accompanying drawings.
First, the basic structure of a urinal will be described with reference to FIGS.
FIG. 1 is a schematic perspective view of a urinal according to the first embodiment of the present invention, and FIG. 2 is a front view of the urinal according to the first embodiment of the present invention. 3 is a side view of the urinal according to the first embodiment of the present invention, and FIG. 4 is a plan view of the urinal according to the first embodiment of the present invention.

As shown in FIGS. 1-4, the code | symbol 1 shows the urinal by 1st Embodiment of this invention, This urinal 1 is for the toilet bowl body 2 made from earthenware, and this toilet bowl body 2 for washing | cleaning An automatic washing unit 4 which is a water discharging device for automatically discharging the washing water to the toilet body 2 is provided.
The urinal 1 of the present embodiment is a wall-mounted urinal in which the lowermost part of the toilet body 2 is located a predetermined distance above the floor and the back surface of the toilet body 2 is attached along the wall surface behind it. As will be described, the toilet body 2 may be a floor-mounted urinal arranged directly on the floor surface.

Next, as shown in FIGS. 1 to 4, a bowl portion 6 (details will be described later) for receiving urine is formed on the front side of the toilet body 2, and the toilet bowl on the back side of the bowl portion 6. A storage chamber 8 for storing the automatic cleaning unit 4 is formed in an upper region of the main body 2.
Further, a drain outlet 10 is formed at the bottom of the bowl portion 6 of the toilet body 2, and a top plate 12 is disposed above the drain outlet 10. The eye plate 12 has a plurality of communication holes (not shown) that communicate with the drain port 10 and gaps (not shown) between the drain port 10. To do.
Furthermore, on the downstream side of the drainage port 10 of the toilet body 2, a drainage trap pipe 14 is formed as a discharge part that forms sealed water therein, and on the downstream side of the drainage trap pipe 14, A drainage pipe (not shown) is connected via a drainage socket (not shown).

Next, FIG. 5 is a schematic view showing a configuration of an automatic cleaning unit for a urinal according to the first embodiment of the present invention.
As shown in FIGS. 1 to 5, the automatic cleaning unit 4 includes a main water supply pipe 16 that forms a main water supply path 16 a to which cleaning water is supplied from a water supply source (not shown) such as a water supply, and the main water supply pipe. A stop cock 18 that stops water 16 and a branching portion that is connected to the downstream end of the main water supply pipe 16 and branches the main water supply pipe 16 into a first water supply pipe 20 and a second water supply pipe 22. A pipe joint 24 is provided.
Further, the first water supply pipe 20 branched from the main water supply pipe 16 by the pipe joint 24 has a first instantaneous flow rate of the washing water passing through the inside water supply path (first water supply path 20a). There is provided a first constant flow valve 26 which is a first flow rate adjusting means for adjusting to a predetermined instantaneous flow rate Q1 [L / min].
Further, a first on-off valve 28 for opening and closing the first water supply passage 20 a is provided on the downstream side of the first constant flow valve 26. The spreader 30 (details will be described later) is provided at the downstream end of the first water supply passage 20a on the downstream side of the first opening / closing valve 28. The first water discharge portion 32 of the spreader 30 is connected to the downstream end portion of the first water supply channel 20a.
In the present embodiment, the first predetermined moment of the cleaning water adjusted by the first constant flow valve 26 when the cleaning water is supplied from the first water supply path 20a to the first water discharge portion 32 of the spreader 30. For example, the flow rate Q1 [L / min] is preferably set to 8 [L / min] to 17 [L / min], and is set to 8 [L / min] to 12 [L / min]. Is most preferred.

On the other hand, in the other second water supply pipe 22 branched from the main water supply pipe 16 by the pipe joint 24, the instantaneous flow rate of the washing water passing through the inside water supply path (second water supply path 22a) is described above. The second flow rate adjusting means adjusts the second predetermined instantaneous flow rate Q2 [L / min] lower than the first predetermined instantaneous flow rate Q1 [L / min] passing through the first water supply channel 20a. A second constant flow valve 34 is provided.
A second opening / closing valve 36 for opening and closing the second water supply passage 22a is provided on the downstream side of the second constant flow valve 34. A downstream end portion of the first water supply passage 20a on the downstream side of the second on-off valve 36 is connected to a second water discharge portion 38 of the spreader 30 described later in detail.
In the present embodiment, the second predetermined moment of the cleaning water adjusted by the second constant flow valve 34 when the cleaning water is supplied from the second water supply path 22a to the second water discharge portion 38 of the spreader 30. For example, the flow rate Q2 [L / min] is preferably set to 0.1 [L / min] to 0.6 [L / min], and is preferably 0.2 [L / min] to 0.5 [L / min]. L / min] is most preferable.

Next, on the downstream side of the second on-off valve 36, an electro-release bactericidal water unit 42 is provided via a check valve 40, and this electro-release bactericidal water unit 42 generates electro-release microbial water. An electrolyzer (not shown) is provided, and functions as an electrolyzed sterilizing water supply unit that supplies electrolyzed microbial water to the second water discharge unit 38.
The electrolyzed sterilized water is generated by electrolyzing chloride ions contained in tap water in an electrolyzer (not shown) of the electrolyzed sterilized water unit 42, and a sterilizing component (hypochlorous acid) is obtained. It is a functional water that contains mainly the effects of sterilization, oil decomposition, and bleaching, and returns to the original tap water components in a few hours.

In addition, the automatic washing unit 4 is provided in the spreader 30 to detect the presence or absence of a user standing on the front side of the toilet body 2 (see FIG. 1 and FIG. 2), and transmitted from the human body detection sensor 44. And a controller 46 that is a controller that controls the operations of the first on-off valve 28 and the second on-off valve 36 based on a predetermined control program and the like.
Further, the controller 46 detects the presence or absence of a user of the human body detection sensor 44, and controls the operations of the first on-off valve 28 and the second on-off valve 36, in addition to a predetermined time t1 set in advance. Every time (for example, t1 = 2 hours), an operation signal is transmitted from the controller 46 to the first on-off valve 28, and the first on-off valve 28 is opened by this operation signal, and the first water supply Washing water W1 is supplied from the path 20a to the first water discharger 32 of the spreader 30, and the bowl surface 48 of the bowl part 6 is washed.
Then, the wash water W1 that has washed the bowl surface 48 flows into the drain trap pipe 14 from the drain port 10 and thereby in the drain trap pipe 14 or a drain pipe (not shown) on the downstream side thereof. Since germs can be washed away downstream, the propagation of germs in these drain trap lines 14 and downstream drain pipes (not shown) is suppressed, and the drain trap pipe 14 and its downstream side. Cleaning for protecting drainage facilities such as drainage pipes (not shown) (hereinafter “equipment protection cleaning”) can be performed.
In addition, about the predetermined time t1 mentioned above, it is preferable to set to 1 hour-3 hours, and it is most preferable to set to 1.5 hours-2.5 hours.

In the present embodiment, the first counter flow valve is used as the flow rate adjusting means for adjusting the instantaneous flow rates Q1, Q2 of the wash water in the first water supply path 20a and the second water supply path 22a of the automatic cleaning unit 4. 26 and the second constant flow valve 34 will be described. However, the present invention is not limited to these forms. For example, in addition to the constant flow valve, the flow rate of the cleaning water is set to an appropriate flow rate using a flow sensor or the like. Other flow rate adjusting means to be adjusted may be adopted, and the operation of the other flow rate adjusting means may be controlled by the controller 46.
In the present embodiment, the first on-off valve 28 and the second on-off valve 36 that open and close each of the first water supply path 20a and the second water supply path 22a of the automatic cleaning unit 4 are provided with electromagnetic valves. Although the adopted form will be described, an opening / closing device other than the electromagnetic valve may be adopted.
Furthermore, in the present embodiment, a mode in which the controller 46 of the automatic cleaning unit 4 controls the operations of the first on-off valve 28 and the second on-off valve 36 will be described, but the present invention is not limited to such a mode. Instead of the first on-off valve 28 and the second on-off valve 36, a switching valve such as a three-way valve is provided in the pipe joint 24, and the switching operation of the switching valve is controlled by the controller 46, whereby the first You may make it control so that either one of the water supply path 20a or the 2nd water supply path 22a and the main water supply path 16a may be connected.
Moreover, in this embodiment, as a human body detection sensor 44, when a user exists ahead of the bowl part 6 of the toilet bowl body 2, the infrared type which detects the distance from this sensor 44 to a user using infrared rays. However, the present invention is not limited to such an infrared sensor, and a radio wave sensor (microwave sensor) that can be concealed inside the toilet body or the like may be employed.

Next, with reference to FIGS. 1-4, the detail of the bowl part in the toilet bowl main body of the urinal of this embodiment is demonstrated.
As shown in FIGS. 1 to 4, in the bowl portion 6 in the toilet body 2 of the urinal 1 of the present embodiment, the bowl surface 48 that forms the surface of the bowl portion 6 is generally J in the side view shown in FIG. 3. It forms a letter shape.
That is, as shown in FIG. 3, the bowl surface 48 having a substantially J shape in the side view is formed in the center of the bowl portion 6 from the vicinity of the upper portion of the bowl surface 48 formed in front of the storage chamber 8 to the lower portion. After forming a gently curved surface F1 obliquely rearward to near the height, a curved surface F2 curved obliquely forward toward the lower drainage port 10 is formed, and then obliquely forward from the vicinity of the drainage port 10 A curved surface F3 is formed.

Further, as shown in FIGS. 1 and 4, in the upper region of the bowl surface 48 where the spreader 30 is provided, a curved surface curved so that the central portion projects in an arc shape rearward in a plan view of FIG. F4 is formed.
In addition, as shown in FIGS. 1 to 4, the left and right sides of the bowl portion 6 are formed on the bowl surface 48 so that the front edge 6 a of the bowl portion 6 is positioned forward of the front end of the spreader 30 over the entire circumference. From the vicinity of the left and right side portions 48a, 48b of the curved surface F4 in the upper region to the lower front edge lower end portion 6b, a side wall portion 6c is formed that gradually protrudes forward and is connected by the front edge lower end portion 6b. ing.
As a result, the bowl surface 48 formed in the bowl portion 6 is discharged from each of the water discharge portions 32 and 38 of the spreader 30, and the washing water flows down along the bowl surface 48. It is formed in a shape that can be collected at the drain port 10.

Next, the details of the spreader in the automatic cleaning unit of the urinal of this embodiment will be described with reference to FIGS.
First, FIG. 6 is an exploded perspective view of the urinal spreader according to the first embodiment of the present invention, and FIG. 7 is a front view of the urinal spreader according to the first embodiment of the present invention. FIG. 8 is a side view of the urinal spreader according to the first embodiment of the present invention, and FIG. 9 is a side sectional view of the urinal spreader according to the first embodiment of the present invention. 10 is a cross-sectional view taken along line XX of FIG. 8, and FIG. 11 is a partially enlarged view of the front end portion of the nozzle portion of the urinal spreader according to the first embodiment of the present invention. It is a perspective view. Furthermore, FIG. 12 is a perspective view showing a state in which the spreader of the urinal according to the first embodiment of the present invention is attached to the bowl surface, and is a diagram schematically illustrating the flow of washing water at the time of water discharge.

First, as shown in FIGS. 2 and 4, the spreader 30 is provided at the center in the left-right direction on the curved surface F <b> 4 above the bowl surface 48, and on the front side of the spreader 30 and the human body detection sensor 44. An exterior cover 50 is attached.
The spreader 30 shown in FIGS. 6 to 10 and 12 shows a state in which the exterior cover 50 attached to the front side of the spreader 30 shown in FIGS. 2 and 4 is removed, and is provided in the spreader 30. Related parts such as the human body detection sensor 44 are omitted.

Next, as shown in FIGS. 6 to 10 and 12, the spreader 30 includes a spreader main body 52 fixedly attached to the center in the left-right direction of the curved surface F <b> 4 above the bowl surface 48, and the spreader. A nozzle member 54 is provided that is inserted and attached to an attachment hole 52a formed along the central axis C1 from the front side of the main body 52.
Further, the spreader main body 52 is a mounting hole formed in the central portion in the left-right direction on the curved surface F4 in the upper region of the bowl surface 48 shown in FIG. 12 so as to penetrate the bowl portion 6 and the storage chamber 8 on the back side thereof. After being inserted into 48 c, it is connected to each of the first water supply pipe 20 and the second water supply pipe 22 in the storage chamber 8.

Next, as shown in FIG. 9, the spreader body 52 is communicated with the first water supply path 20 a of the first water supply pipe 20 and the second water supply path 22 a of the second water supply pipe 22. A first water passage 56 and a second water passage 58 are formed.
Further, as shown in FIGS. 9, 10, and 12, a first water discharge port 60 that is a part of the first water discharge unit 32 is provided at the downstream side end on the front side of the first water passage 56. Is formed.
More specifically, as shown in FIGS. 9 and 10, the first water passage 56 of the spreader main body 52 includes an upstream water passage 56a formed so as to extend in the front-rear direction, and the upstream side. The downstream side passage formed in a generally fan shape in front view of FIG. 10 so that the flow path expands from the downstream front end portion of the water passage 56a toward each of the two first water outlets 60 below. A water channel 56b is provided. Further, as shown in FIG. 9, the downstream water passage 56 b is formed so that the first water outlet 60 is directed slightly rearward.
As a result, the wash water supplied from the first water supply path 20a of the first water supply pipe 20 into the upstream water flow path 56a of the spreader main body 52 passes through the downstream water flow path 56b, and the first water outlet. Water is discharged as cleaning water W1 having a first predetermined instantaneous flow rate Q1 [L / min] from 60 to a substantially central region R1 of the bowl surface 48 (see FIG. 2).

Next, as shown in FIGS. 6 to 12, the nozzle member 54 includes an attachment portion 62 that is inserted into the attachment hole 52 a of the spreader body portion 52 and attached.
In addition, the nozzle member 54 includes a first nozzle portion 64 and a second nozzle portion 66 that are integrally provided at the front end portion of the attachment portion 62 as a part of the second water discharge portion 38.
Furthermore, the first nozzle portion 64 and the second nozzle portion 66 are formed so as to extend laterally symmetrically with respect to the central axis C1 of the spreader main body 52, and are viewed from the front shown in FIG. The first water discharger 32 is arranged symmetrically.

Further, a water passage 68 communicating with the second water passage 58 of the spreader main body 52 is formed inside the mounting portion 62 of the nozzle member 54.
Further, the nozzle portions 64 and 66 of the nozzle member 54 are located in the vicinity of the first water discharge portion 32 and the front end portion of the mounting portion 62 of the nozzle member 54 is a common base end portion 70, and this base end portion Water passages 72 and 74 that branch from the water passage 68 inside the mounting portion 62 of the nozzle member 54 to the base end portion 70 are formed in the interior from the tip 70 to the respective distal ends.

  Further, the second water discharge ports 76 and 78 having a single circular cross-sectional shape as the second water discharge portion 38 corresponding to the downstream end portion of each water flow path 72 and 74 are provided at the tip portions of the nozzle portions 64 and 66, respectively. Are formed respectively. The cleaning water supplied from the second water supply path 22 a of the second water supply pipe 22 into the second water supply path 58 of the spreader main body 52 passes through the water supply paths 68 of the nozzle member 54, and the nozzle parts 64, 66. The first predetermined instantaneous flow rate from each of the second water discharge ports 76, 78 toward a predetermined landing region R2 (see FIGS. 2 and 12) of the bowl surface 48 obliquely rearward and obliquely above. Water is discharged as a second predetermined instantaneous flow rate Q2 [L / min] washing water W2 lower than Q1 [L / min].

Further, as shown in FIGS. 6 and 7, the first nozzle portion 64 of the second water discharge portion 38 is connected to the first water discharge portion 32 from a base end portion 70 provided in the vicinity of the first water discharge portion 32. It extends toward the second water discharge port 76 at the tip located on one side (the left side of the first water discharge unit 32 shown in FIG. 6).
Further, the first nozzle portion 64 extends in a rearward direction by a predetermined inclination angle α [°] from the base end portion 70 toward the second water discharge port 76 at the distal end portion in a plan view in FIG. 6. 7 so as to extend upwardly by a predetermined inclination angle β [°] from the base end portion 70 toward the second water discharge port 76 at the front end portion in front view in FIG.
Similarly, the 2nd nozzle part 66 of the 2nd water discharging part 38 is the other side (shown in FIG. 6) of the 1st water discharging part 32 from the base end part 70 provided in the vicinity of the 1st water discharging part 32. It extends toward the second water discharge port 78 at the tip located on the right side of the first water discharge unit 32.
In addition, the second nozzle portion 66 of the second water discharge portion 38 has a predetermined inclination angle α [°] from the base end portion 70 toward the second water discharge port 78 at the distal end portion in plan view in FIG. Inclined and extended to the rear side, and extended upwardly by a predetermined inclination angle β [°] from the base end portion 70 toward the second water outlet 78 at the distal end portion in front view in FIG. Is formed.
That is, as shown in FIGS. 6 and 7, the central axes C2 and C3 of the nozzle portions 64 and 66 of the nozzle member 54 are respectively center axes C1 extending in the front-rear direction of the spreader main body 52 and the nozzle member 54. 6 is inclined backward by a predetermined inclination angle α [°] in a plan view in FIG. 6 and upward by a predetermined inclination angle β [°] in a front view in FIG. It is inclined.
As a result, the second water discharge ports 76 and 78 of the nozzle portions 64 and 66 of the nozzle member 54 are arranged in a predetermined landing area R2 on the bowl surface 48 that is spaced apart by a predetermined distance obliquely rearward and diagonally upward. (See FIGS. 2 and 12), the washing water W2 spouted from the second spouts 76, 78 jumps over the bowl surface 48 and reaches a predetermined landing area R2. Until the water lands, the momentum of the water discharge at the second predetermined instantaneous flow rate Q2 [L / min] at the time of water discharge from each of the second water discharge ports 76 and 78 is maintained as it is without contacting the bowl surface 48. It has become so.

Here, the predetermined inclination angle α [°] inclined obliquely rearward of the nozzle portions 64 and 66 of the nozzle member 54 described above is preferably set to 1 ° to 20 °, for example, 12 ° to Most preferably, it is set to 17 °.
Further, the predetermined inclination angle β [°] inclined obliquely upward of the nozzle portions 64 and 66 is preferably set to 1 ° to 10 °, for example, and most preferably set to 1 ° to 5 °. preferable.
However, with respect to these predetermined inclination angles α and β [°], the cleaning water W2 jumps out of the bowl surface 48 according to the bending state of the curved surface F4 of the bowl surface 48 on which the spreader 30 is provided. For example, when the predetermined inclination angles α and β [°] are set to 0 ° and the wash water is discharged in the horizontal direction from the second water discharge ports 76 and 78, for example. However, it suffices if the bowl surface 48 can be washed extensively without the washing water jumping out of the bowl surface 48.
In other words, in the present embodiment, the second spout 76 and 78 of each nozzle section 64 and 66 has the bowl surface 48 spread over a wide range without the spouted wash water W2 jumping out of the bowl surface 48, respectively. If washing can be performed, water is discharged simultaneously in the horizontal direction and obliquely upward in the bowl portion 6 so as to land on a predetermined water landing region R2 of the bowl surface 48 separated from the spreader 30. It may be.

Next, the operation (action) of the urinal according to the first embodiment of the present invention will be described with reference to FIGS.
First, the operation (action) of normal toilet cleaning in the urinal 1 according to the first embodiment of the present invention will be described.
In normal toilet cleaning in the urinal 1, when the user stands in front of the bowl portion 6 of the toilet body 2 of the urinal 1, the human body detection sensor 44 enters a detection state in which the presence of the user is detected. A signal is sent to the controller 46, which recognizes the presence of the user.
When the user finishes urinating the bowl surface 48 of the urinal 1 and the user who has finished urination leaves from the front of the toilet body 2 of the urinal 1, the human body detection sensor 44 detects the presence of the user. The controller 46 determines that the user has left the urinal 1, and the controller 46 starts the normal toilet cleaning operation of the urinal 1.

In the normal toilet flushing operation, the controller 46 first transmits a control signal to the second on-off valve 36 to close the first on-off valve 28 and open the second on-off valve 36. . Then, the cleaning water in the main water supply path 16 a of the main water supply pipe 16 flows only through the pipe joint 24 to the second water supply path 22 a of the second water supply pipe 22.
Next, the wash water W2 that has flowed into the second water supply path 22a passes through the second constant flow valve 34 to be adjusted to a relatively low second predetermined instantaneous flow rate Q2 [L / min], Thereafter, it passes through the second on-off valve 36, passes through the check valve 40, and flows into the second water passage 58 of the spreader main body 52 of the spreader 30. Then, the cleaning water W2 passes through the water passage 68 inside the nozzle member 54 of the spreader 30, and then flows into the water passages 72 and 74 of the first nozzle portion 64 and the second nozzle portion 66 of the nozzle member 54, respectively. Supplied.

Further, the washing water W2 that has passed through the water passages 72 and 74 of the nozzle member 54 has a predetermined landing on the bowl surface 48 positioned obliquely rearward and obliquely upward from the second water discharge ports 76 and 78, respectively. Water is discharged at a second predetermined instantaneous flow rate Q2 [L / min] toward the water region R2 (see FIGS. 2 and 12). Then, the washing water W2 is hardly in contact with the bowl surface 48 until it reaches the predetermined landing region R2 of the bowl surface 48 separated from the spreader 30, and when the second water outlets 76 and 78 are discharged. In the state where the momentum of the water discharge is maintained as it is at the second predetermined instantaneous flow rate Q2 [L / min], the water reaches the predetermined landing region R2 of the bowl surface 48.
Further, the wash water W2 after having landed on the predetermined water landing region R2 of the bowl surface 48 flows so as to spread in the left-right direction along the bowl surface 48, so that the range for cleaning the bowl surface 48 is set in the left-right direction. While spreading, it flows to the drain port 10 without jumping out of the bowl portion 6.

Thereafter, the washing water W2 flows into the drain trap pipe 14 from the drain port 10 and then flows toward the drain pipe (not shown) on the downstream side of the drain trap pipe 14, whereby the drain trap pipe 14 and foreign matter such as urine and pubic hair in a drainage pipe (not shown) are discharged downstream.
Then, the cleaning water W2 is supplied from each of the second water outlets 76 and 78 of the spreader 30 to a second predetermined instantaneous flow rate Q2 [L / min] (for example, 0.2 [L / min] to 0.5 [ L / min]) is continuously discharged for a predetermined time t2 (for example, t2 = 1 [min]), and the cleaning water W2 has a low amount of cleaning water (for example, 0.2 [L] to 0.5 [L]). Thus, after the bowl surface 48 is cleaned over a wide range, the controller 46 closes the second on-off valve 36, stops the water discharge operation by the spreader 30, and ends the normal toilet cleaning operation.

Next, an operation (action) of equipment protection cleaning performed separately from normal toilet cleaning in the urinal 1 according to the first embodiment of the present invention will be described.
In addition to confirming that a predetermined time t1 (for example, t1 = 2 hours) has elapsed since the last equipment protection cleaning, the controller 46 uses the urinal 1 for a certain period of time. When the usage conditions such as reaching the number of times are satisfied, the equipment protection cleaning operation is started.
Then, when the user uses the urinal 1, the automatic cleaning unit 4 discharges the cleaning water W <b> 2 from each of the second water discharge ports 76 and 78 of the second water discharge unit 36 of the spreader 30. In addition to the case where the person uses the urinal 1, the control is performed so that the washing water W <b> 1 is discharged from the first water outlet 60 of the first water discharger 32 every time a predetermined time t <b> 1 elapses.

Specifically, when starting the operation of equipment protection cleaning, the controller 46 opens the first on-off valve 28 and closes the second on-off valve 36. Then, the cleaning water in the main water supply path 16 a of the main water supply pipe 16 flows only through the pipe joint 24 to the first water supply path 20 a of the first water supply pipe 20.
Next, the wash water W1 that has flowed into the first water supply channel 20a is adjusted to a relatively low first predetermined instantaneous flow rate Q1 [L / min] by passing through the first constant flow valve 26, Thereafter, it passes through the first on-off valve 28 and flows into the first water passage 56 of the spreader main body 52 of the spreader 30. Then, the cleaning water W1 is supplied to the first water outlet 60 of the first water discharger 32 through the upstream water passage 56a and the downstream water passage 56b of the spreader main body 52 of the spreader 30.

Next, the wash water W1 discharged from the first water discharge port 60 is discharged toward the substantially central region R1 of the bowl surface 48 of the bowl portion 6 at a relatively high instantaneous flow rate Q1 and jumps out of the bowl portion 6. Instead, the bowl surface 48 is washed by flowing down to the drain outlet 10 along the bowl surface 48.
Thereafter, the wash water W1 flows from the drain port 10 into the drain trap pipe 14 at a relatively high instantaneous flow rate and then flows toward the drain pipe (not shown) on the downstream side of the drain trap pipe 14. Then, foreign matter such as urine and pubic hair in the drain trap pipe 14 is discharged downstream.
When the wash water W1 is continuously discharged from the first water discharge port 60 of the spreader 30 at a first predetermined instantaneous flow rate Q1 [L / min] for a certain period of time, the controller 46 causes the first on-off valve 28 to be discharged. Is closed, the water discharging operation by the spreader 30 is stopped, and the operation of the equipment protection cleaning is ended.

  In particular, the cleaning water W1 having a relatively high first predetermined instantaneous flow rate Q1 [L / min] discharged from the first water outlet 60 of the spreader 30 passes through the drain trap pipe 14 from the water outlet 10. Since the washing water W1 whose water volume has risen by flowing toward the drain pipe (not shown) on the downstream side flows while washing the drain trap pipe 14 and the drain pipe (not shown), these The urine in the duct can be effectively discharged and foreign substances such as pubic hair can be effectively removed. Furthermore, since urine stones and foreign substances can be washed out in the drain trap pipe 14 and the drain pipe (not shown) every predetermined time t1, the growth of bacteria is suppressed and the adhesion and generation of urine stones are suppressed. Can do.

  Note that the normal toilet cleaning operation and the equipment protection cleaning operation by the urinal 1 of the present embodiment described above are merely examples. For example, when performing normal toilet cleaning, the first on-off valve 28 and the second By opening both of the two on-off valves 36, the water discharge operation of the wash water W1 by the first water discharge port 60 of the spreader 30, and the water discharge operation of the wash water W2 by the second water discharge ports 76 and 78, respectively. May be performed simultaneously.

According to the urinal 1 according to the first embodiment of the present invention described above, when the bowl surface 48 of the bowl portion 6 in the urinal body 2 of the urinal 1 after use is cleaned, the spreader 30 of the automatic cleaning unit 4 is used. When water is discharged from one water outlet 60, the wash water W1 is discharged at a relatively high first predetermined instantaneous flow rate Q1 [L / min]. Since the washing water W1 at this time is discharged toward the substantially central region R1 of the bowl surface 48 of the bowl portion 6, it flows down to the drain port 10 along the bowl surface 48 without jumping out of the bowl portion 6. Thus, after the bowl surface 48 is washed, it flows into the drain trap pipe 14 from the drain port 10 at a relatively high instantaneous flow rate. Thereby, the wash water that has flowed into the drain trap pipe 14 can effectively drain the urine in the drain trap pipe 14, and drainage equipment in the drain trap pipe 14 or downstream thereof (for example, Foreign substances such as pubic hair in drain sockets (not shown) and drain pipes (not shown) can also be effectively removed.
On the other hand, when water is discharged from each of the second water outlets 76 and 78 of the nozzle portions 64 and 66 of the nozzle member 54 in the spreader 30 of the automatic cleaning unit 4, the water discharged from the first water outlet 60 is washed. The wash water W2 is discharged at a second predetermined instantaneous flow rate Q2 [L / min] lower than the first predetermined instantaneous flow rate Q1 [L / min] of the water W1. In this case, the washing water W2 of the second water outlets 76 and 78 is discharged from the second water outlets 76 and 78 so as to land on a predetermined water landing region R2 of the bowl surface 48 separated from the spreader 30. Water is discharged toward a predetermined water landing region R2 (see FIGS. 2 and 12) on each obliquely rear side and obliquely upper bowl surface 48. Accordingly, the cleaning water W2 discharged from the second water discharge ports 76 and 78 hardly contacts the bowl surface 48 until it reaches the predetermined landing region R2 of the bowl surface 48 separated from the spreader 30. In the state where the momentum of the water discharge is maintained as it is at the second predetermined instantaneous flow rate Q2 [L / min] at the time of water discharge from the second water discharge ports 76 and 78, the water reaches the predetermined water landing region R2 of the bowl surface 48. can do.
In addition, the wash water W2 after having landed on a predetermined water landing region R2 of the bowl surface 48 flows so as to spread in the left-right direction along the bowl surface 48, so that the range for cleaning the bowl surface 48 is set in the left-right direction. Since the water flows to the drain port 10 without spreading out to the outside of the bowl portion 6 while being spread, the bowl surface 48 is effective over a wide range even with the relatively low instantaneous flow rate of the wash water discharged from the second water discharge ports 76 and 78. Can be washed. As a result, the bowl surface 48 of the bowl portion 6 is washed by the wash water W2 discharged from each of the second water outlets 76 and 78 of the nozzle portions 64 and 66 of the nozzle member 54 of the spreader 30 having a simple configuration. Stain due to adhering urine can be washed over a wide range with a low amount of washing water (for example, 0.2 [L] to 0.5 [L]), and the pubic hair in the drain trap pipe 14 can be washed. Foreign matters can be efficiently removed, and waste water containing urine in the drain trap pipe 14 can be efficiently replaced with washing water.

  Furthermore, according to the urinal 1 according to the present embodiment, each of the second water discharge ports 76 and 78 formed at the tip portions of the nozzle portions 64 and 66 of the nozzle member 54 of the spreader 30 has a single circular shape. Each of the bowls functions as a water outlet having a cross-sectional shape until the washing water W2 discharged from the second water outlets 76 and 78 reaches a predetermined water landing region R2 of the bowl surface 48 separated from the spreader 30. The surface of the bowl 48 is kept in contact with the second predetermined spout Q2 [L / min] at the time of water discharge from the second water discharge ports 76 and 78 while maintaining the momentum of the water discharge as it is. It is possible to land on a predetermined landing region R2. Therefore, the cleaning water W2 discharged from each of the second water discharge ports 76 and 78 having a simple configuration removes dirt due to urine adhering to the bowl surface 48 of the bowl portion 6 with a low amount of cleaning water (for example, 0. 0. 2 [L] to 0.5 [L]) can be washed over a wide range, and foreign substances such as pubic hair in the drain trap conduit 14 can be efficiently removed, and the drain trap conduit 14 Waste water containing urine can be efficiently replaced with washing water.

  Further, according to the urinal 1 according to the present embodiment, the nozzle portions 64 and 66 of the nozzle member 54 of the spreader 30 are formed so as to extend outwardly symmetrically with respect to the central axis C1 of the spreader main body 52. In the front view shown in FIG. 7, the washings discharged from the second water discharge ports 76 and 78 of the nozzle portions 64 and 66 are arranged symmetrically with respect to the first water discharge portion 38. The water W2 is a second predetermined instantaneous flow rate Q2 [L / min] lower than a predetermined instantaneous flow rate Q1 [L / min] of the cleaning water W1 discharged from the first water outlet 60 of the first water discharger 38. ], Water is discharged horizontally and / or obliquely upward in the bowl portion 6 so as to land on a predetermined water landing region R2 of the bowl surface 48 separated from the spreader 30. Thus, the cleaning water W2 hardly comes into contact with the bowl surface 48 until it reaches the predetermined landing region R2 of the bowl surface 48 separated from the spreader 30, and the second water outlets 76 and 78 are brought into contact with each other. It is possible to land on a predetermined landing region R2 of the bowl surface 48 while maintaining the momentum of the water discharge as it is at the second predetermined instantaneous flow rate Q2 [L / min] at the time of water discharge. Further, the wash water W2 after having landed on the predetermined water landing region R2 of the bowl surface 48 flows so as to spread in the left-right direction along the bowl surface 48, so that the range for cleaning the bowl surface 48 is set in the left-right direction. Since each of the plurality of nozzle parts 64 and 66 of the second water discharge part 38 is arranged symmetrically with respect to the first water discharge part 32 because it flows to the drain port 10 without spreading out to the outside of the bowl part 6 while spreading. Even with the relatively low instantaneous flow rate of the wash water W2 discharged from each of the second water discharge ports 76 and 78 of the plurality of nozzle portions 64 and 66 of the second water discharge unit 38, the bowl surface can be obtained. 48 can be effectively cleaned over a wider area.

  Furthermore, according to the urinal 1 according to the present embodiment, the first nozzle portion 64 of the second water discharge portion 38 is moved from the base end portion 70 provided in the vicinity of the first water discharge portion 32 to the first water discharge portion. 6 toward the second water outlet 76 at the distal end located on one side (the left side of the first water outlet 32 shown in FIG. 6) by a predetermined inclination angle α [°] in plan view in FIG. It is inclined to the rear side, and is formed to incline upward by a predetermined inclination angle β [°] when viewed from the front in FIG. Similarly, the second nozzle portion 66 of the second water discharge portion 38 is connected to the other side of the first water discharge portion 32 from the base end portion 70 provided in the vicinity of the first water discharge portion 32 (shown in FIG. 6). 7 is inclined rearward by a predetermined inclination angle α [°] in plan view in FIG. 6 toward the second water discharge port 78 at the distal end located on the right side of the first water discharge unit 32. Is formed so as to extend obliquely upward by a predetermined inclination angle β [°] when viewed from the front. Accordingly, the cleaning water W2 discharged from each of the second water discharge ports 76 and 78 of the nozzle portions 64 and 66 of the second water discharge unit 38 has landed on a predetermined water landing region R2 of the bowl surface 48. Thereafter, by flowing so as to expand in the left-right direction along the bowl surface 48, the range in which the bowl surface 48 is washed can be expanded in the left-right direction, and can flow to the drain port 10 without jumping out of the bowl portion 6. Therefore, each of the nozzle parts 64 and 66 of the second water discharge part 38 is simply extended from the base end part 70 to each side of the first water discharge part 32 at a predetermined inclination angle α, β [°]. Depending on the configuration, even with the relatively low instantaneous flow rate of the wash water W2 discharged from each of the second water discharge ports 76 and 78 of the nozzle portions 64 and 66 of the second water discharge portion 38, the bowl surface 48 can be further improved. It is possible to clean effectively over a wide range.

  Moreover, according to the urinal 1 by this embodiment, the automatic washing unit 4 branches the main water supply path 16a of the main water supply pipe | tube 16 which supplies the wash water from a water supply source (not shown), and the main water supply pipe | tube 16. The first water supply path 20a of the first water supply pipe 20 that supplies the wash water W1 supplied from the main water supply path 16a to the first water discharge section 32, and the main water supply pipe 16 A second water supply path 22a of the second water supply pipe 22 for supplying the wash water W2 supplied from the main water supply path 16a to the second water discharge section 38. The first constant flow valve 26 is provided in the second water supply path 20a and adjusts the instantaneous flow rate of the cleaning water W1 to the first predetermined instantaneous flow rate Q1 [L / min], and the second water supply path 22a. The instantaneous flow rate of the cleaning water W2 is set to the first predetermined value of the cleaning water W1 in the first water supply channel 20a. Since each of the second constant flow valves 34 for adjusting the second predetermined instantaneous flow rate Q2 [L / min] lower than the instantaneous flow rate Q1 [L / min] is provided, it is ensured with a relatively simple configuration. Second, the instantaneous flow rate of the cleaning water W2 discharged from the second water discharge unit 38 is lower than the first predetermined instantaneous flow rate Q1 [L / min] of the cleaning water W1 discharged from the first water discharge unit 32. The predetermined instantaneous flow rate Q2 can be set to [L / min]. Therefore, the dispersion | variation in the water discharging performance in each of the 1st water discharging part 32 and the 2nd water discharging part 38 of the spreader 30 of the automatic washing unit 4 can be suppressed.

Furthermore, according to the urinal 1 according to the present embodiment, when the user uses the urinal 1, the automatic cleaning unit 4 has the second water discharge ports 76 and 78 of the second water discharge unit 36 of the spreader 30. From the first water outlet 60 of the first water discharge part 32, the washing water W2 is discharged from the first water discharge unit 32 and the user uses the urinal 1 each time a predetermined time t1 elapses. By providing the controller 46 that controls the flush water W1 to be discharged, each of the second water discharge ports 76 and 78 of the second water discharge portion 38 of the spreader 30 when the user uses the urinal 1 is provided. The cleaning water W2 discharged from the first predetermined instantaneous flow rate Q2 lower than the first predetermined instantaneous flow rate Q1 [L / min] of the cleaning water W1 discharged from the first water discharging unit 32 of the spreader 30. [L / min] bowl surface 8 It can be effectively cleaned over a wide range.
In addition to the case where the user uses the urinal 1, the wash water discharged from the first water outlet 60 of the first water discharge portion 32 of the spreader 30 every time a preset predetermined time t <b> 1 elapses. W1 flows from the substantially central region R1 of the bowl surface 48 of the bowl portion 6 to the drain port 10 along the bowl surface 48 without flowing out of the bowl portion 6 at a relatively high instantaneous flow rate Q1. 48 can be washed. Thereafter, the wash water W1 flows from the drain port 10 into the drain trap pipe 14 at a relatively high instantaneous flow rate, and the urine in the drain trap pipe 14 can be effectively discharged, and the drain trap pipe 14 Since foreign substances such as pubic hairs in the drainage pipe (not shown) inside and downstream thereof can also be effectively removed, the drainage trap pipe 14 and the drainage pipe (not shown) downstream thereof, etc. Cleaning can be performed to protect the drainage equipment.

  Moreover, according to the urinal 1 by this embodiment, the automatic washing | cleaning unit 4 produces | generates an electric cancellation | release bacteria water, and supplies this electric cancellation | release bacteria water to the 2nd water discharging part 38 of the spreader 30. 42 is provided, so that when water is discharged from the second water discharge unit 38, the washing water W2 containing the electro-release bacterial water supplied from the electro-release bactericidal water unit 42 to the second water discharge unit 38 In order to discharge water at a second predetermined instantaneous flow rate Q2 [L / min] lower than the first predetermined instantaneous flow rate Q1 [L / min] of the wash water W1 discharged from the first water discharger 32, The electrolytic cell (not shown) of the release sterilization water unit 42 can suppress the load that generates the electricity release sterilization water.

Next, a urinal according to a second embodiment of the present invention will be described with reference to FIG.
FIG. 13 is a partially enlarged perspective view in which the tip portion of the nozzle portion of the spreader of the urinal according to the second embodiment of the present invention is enlarged.
In the urinal 100 according to the second embodiment of the present invention shown in FIG. 13, the same parts as those of the urinal 1 according to the first embodiment of the present invention described above are denoted by the same reference numerals, and description thereof will be given. Is omitted.

First, as shown in FIG. 13, in the urinal 100 according to the second embodiment of the present invention, the spreader main body 52 of the spreader 130 is the spreader main body of the spreader 30 of the urinal 1 according to the first embodiment of the present invention. 52.
On the other hand, in the urinal 100 according to the second embodiment of the present invention, the first nozzle portion 164 and the second nozzle portion 166 of the nozzle member 154 have hemispheres as the second water discharge portion 138 of the spreader 130. The planar surfaces 164a and 166a are formed, and a plurality of water spray holes 176 and 178 that can discharge water in a shower-like manner are formed in each of the hemispherical surfaces 164a and 166a, respectively. The spreader 30 in the urinal 1 of the embodiment is different from the second spouts 76 and 78 having a single circular cross-sectional shape.

  According to the urinal 100 according to the second embodiment of the present invention described above, the wash water W2 discharged from each of the plurality of water spray holes 176 and 178 of the nozzle portions 164 and 166 of the second water discharge portion 138 of the spreader 130. Is a second predetermined instantaneous flow rate Q2 [L / min] lower than the first predetermined instantaneous flow rate Q1 [L / min] of the wash water W1 discharged from the first water outlet 60 of the spreader 130, Water is discharged in the form of a shower in the horizontal direction or obliquely upward in the bowl portion 6 so as to land on a predetermined landing region R2 of the bowl surface 48 separated from the spreader 130. Thus, the cleaning water W2 hardly comes into contact with the bowl surface 48 until it reaches each predetermined landing region R2 of the bowl surface 48 separated from the spreader 130, and when the water spray holes 176, 178 are discharged. In the state where the momentum of the water discharge is maintained as it is at the second predetermined instantaneous flow rate Q2 [L / min], the water can be landed while spreading in a shower shape in the predetermined water landing region R2 of the bowl surface 48. Further, the wash water W2 after having landed on the predetermined water landing region R2 of the bowl surface 48 flows so as to spread in the left-right direction along the bowl surface 48, so that the range for cleaning the bowl surface 48 is set in the left-right direction. Since it flows to the drain port 10 without jumping out of the outside of the bowl portion 6 while spreading, the plurality of water sprays of the second water discharge portion 138 can be obtained by a simple configuration in which the second water discharge portion 138 is formed with a plurality of water spray holes 176 and 178. The bowl surface 48 can be effectively cleaned over a wider range even with the relatively low instantaneous flow rate of the cleaning water W2 discharged from each of the holes 176 and 178 in a shower shape.

Next, a urinal according to a third embodiment of the present invention will be described with reference to FIG.
FIG. 14 is a partially enlarged perspective view in which the tip portion of the nozzle portion of the spreader of the urinal according to the third embodiment of the present invention is enlarged.
In the urinal 200 according to the third embodiment of the present invention shown in FIG. 14, the same reference numerals are used for the same parts as those of the urinals 1 and 100 according to the first and second embodiments of the present invention described above. These descriptions are omitted.

First, as shown in FIG. 14, the spreader 230 of the urinal 200 according to the third embodiment of the present invention is similar to the spreader 130 of the urinal 100 according to the second embodiment of the present invention described above. The above-described book in that a plurality of water sprinkling holes 276 and 278 are respectively formed in the vicinity of the respective distal end portions of the first nozzle portion 264 and the second nozzle portion 266 of the nozzle member 254 as the water discharge portion 238 of the nozzle member 254. It is common with the watering holes 176 and 178 of the nozzle portions 164 and 166 in the spreader 130 of the urinal 100 according to the second embodiment of the invention.
However, the plurality of water spray holes 276 and 278 which are the second water discharge portions 238 of the spreader 230 of the urinal 200 according to the third embodiment of the present invention are the upper surfaces 264a of the tip portions of the nozzle portions 264 and 266 of the nozzle member 254. , 266a is formed on the hemispherical surfaces 164a, 166a of the respective tip portions of the nozzle portions 164, 166 of the spreader 130 of the urinal 100 according to the second embodiment of the present invention described above. Different from the plurality of watering holes 176, 178.

  According to the urinal 200 according to the third embodiment of the present invention described above, the wash water W2 discharged from each of the plurality of water spray holes 276 and 278 of the nozzle portions 264 and 266 of the second water discharge portion 238 of the spreader 230 is provided. Is a second predetermined instantaneous flow rate Q2 [L / min] lower than the first predetermined instantaneous flow rate Q1 [L / min] of the wash water W1 discharged from the first water outlet 60 of the spreader 230, Water is discharged in the form of a shower toward the diagonally upper portion in the bowl portion 6 so as to land on a predetermined water landing region R2 of the bowl surface 48 separated from the spreader 230. Accordingly, the cleaning water W2 hardly comes into contact with the bowl surface 48 until it reaches each predetermined landing region R2 of the bowl surface 48 separated from the spreader 230, and the water spray holes 276 and 278 are discharged. In the state where the momentum of the water discharge is maintained as it is at the second predetermined instantaneous flow rate Q2 [L / min], the water can be landed while spreading in a shower shape in the predetermined water landing region R2 of the bowl surface 48. Further, the wash water W2 after having landed on the predetermined water landing region R2 of the bowl surface 48 flows so as to spread in the left-right direction along the bowl surface 48, so that the range for cleaning the bowl surface 48 is set in the left-right direction. Since it flows to the drain port 10 without spreading out to the outside of the bowl portion 6 while spreading, a plurality of water sprays of the second water spout unit 238 can be obtained by a simple configuration in which the second water spout unit 238 is formed with a plurality of water spray holes 276 and 278. The bowl surface 48 can be effectively cleaned over a wider range even with the relatively low instantaneous flow rate of the cleaning water W2 discharged from each of the holes 276 and 278 in a shower shape.

  In addition, about each 2nd water discharging part 38,138,238 of each spreader 30,130,230 in the urinal 1,100,200 of 1st Embodiment-3rd Embodiment of this invention mentioned above, some As an example, a description has been given of a mode in which each of the second water discharge ports 76 and 78 having a single circular cross-sectional shape, a plurality of water spray holes 176 and 178, and a plurality of water spray holes 276 and 278 are employed. However, other forms may be used. In short, with respect to the second water discharger, the wash water W2 discharged at the second predetermined instantaneous flow rate Q2 [L / min] can be landed on the predetermined water landing region R2 of the bowl surface 48, and this The flushing water W <b> 2 after landing has flowed so as to spread in the left-right direction along the bowl surface 48, thereby expanding the range in which the bowl surface 48 is washed in the left-right direction and without jumping out of the bowl portion 6. Any other form may be used as long as it is capable of flowing to the bowl surface 48 and effectively cleaning the dirt due to urine adhering to the bowl surface 48 over a wide range with a low amount of washing water.

1,100,200 Urinal 2 Toilet body 4 Automatic cleaning unit (water discharge device)
6 Bowl part 6a Front edge of bowl part 6b Lower end part of front edge of bowl part 6c Side wall part of bowl part 8 Storage chamber 10 Drain outlet 12 Eye plate 14 Drain trap pipe (discharge part)
16 main water supply pipe 16a main water supply path 18 stop cock 20 first water supply pipe 20a first water supply path 22 second water supply pipe 22a second water supply path 24 pipe joint (branch part)
26 First constant flow valve (first flow rate adjusting means)
28 First open / close valve 30, 130, 230 Spreader (water discharge device)
32 1st water discharging part 34 2nd constant flow valve 36 2nd on-off valve 38,138,238 2nd water discharging part 40 Check valve 42 Electrolytic release bactericidal water unit (electrically released bacterial water supply part)
44 Human body detection sensor 46 Controller (control unit)
48 Bowl surface 48a Bowl surface side 48b Bowl surface side 48c Mounting hole 50 Exterior cover 52 Spreader main body 52a Mounting hole 54,154,254 Nozzle member (nozzle part)
56 1st water flow path 56a Upstream water flow path 56b Downstream water flow path 58 2nd water flow path 60 1st water outlet (1st water discharge part)
62 Nozzle member mounting portion 64,164,264 First nozzle portion of nozzle member (nozzle portion of second water discharge portion)
66, 166, 266 Second nozzle portion of nozzle member (nozzle portion of second water discharge portion)
68 Water passage of nozzle member 70 Base end portion of first nozzle portion and second nozzle portion 72 Water passage of nozzle member 74 Water passage of nozzle member 76 Second water outlet (second water outlet)
78 2nd water outlet (2nd water discharging part)
164a A hemispherical surface at the tip of the first nozzle portion of the nozzle member 166a A hemispherical surface at the tip of the second nozzle portion of the nozzle member 176,276 Watering holes 178,278 Watering holes 264a of the nozzle member Upper surface 266a of the front end of the first nozzle portion 266a Upper surface of the front end of the second nozzle portion of the nozzle member C1 Center axis of the spreader body portion, center axis in the front-rear direction of the nozzle member C2 of the first nozzle portion of the nozzle member Center axis C3 Center axis of the second nozzle part of the nozzle member F1 Curved surface F2 Curved surface F3 Curved surface F4 Curved surface Q1 First predetermined instantaneous flow rate [L / min]
Q2 Second predetermined instantaneous flow rate [L / min]
R1 Center area of the bowl surface R2 Water landing area of the bowl surface W1 Flow of cleaning water W2 Flow of cleaning water α Inclination angle of the nozzle part of the nozzle member β Inclination angle of the nozzle part of the nozzle member

Claims (9)

A urinal that urinates and discharges,
Forming a bowl surface for receiving urination, and forming a drain port at the bottom thereof;
A water discharge device that is provided in an upper region in the bowl portion and discharges cleaning water into the bowl portion;
A drain part that is provided on the downstream side of the drain port of the bowl part and forms a sealed water therein,
The water discharge device includes a first water discharge portion that discharges the cleaning water toward a substantially central region of the bowl surface, and the water inside the bowl portion so that the wash water is landed on a predetermined region of the bowl surface that is separated from the water discharge device. A second water discharge portion that discharges water horizontally and / or obliquely upward, and the instantaneous flow rate of the wash water discharged from the second water discharge portion is the wash discharged from the first water discharge portion. A urinal characterized by being set lower than the instantaneous flow rate of water.   The second water discharger is provided at the tip of the bowl and horizontally and / or obliquely upward in the bowl so as to allow the washing water to land on a predetermined region of the bowl surface spaced from the second water discharger. The urinal according to claim 1, further comprising a nozzle portion that discharges water.   The tip of the nozzle part of the second water spouting part is horizontally and / or obliquely upward in the bowl part so that the washing water is deposited on a predetermined region of the bowl surface separated from the second water spouting part. The urinal according to claim 2, wherein a water outlet having a single circular cross-sectional shape capable of water discharge is formed.   The tip of the nozzle part of the second water spouting part is horizontally and / or obliquely upward in the bowl part so that the washing water is deposited on a predetermined region of the bowl surface separated from the second water spouting part. The urinal according to claim 2, wherein a plurality of sprinkling holes that can be discharged in a shower shape are formed.   The nozzle part of the said 2nd water discharging part is a some nozzle part arrange | positioned with respect to the said 1st water discharging part symmetrically with respect to the said 1st water discharging part by front view, The any one of Claim 2 thru | or 4 urinal.   The nozzle portion of the second water discharger includes a base end provided in the vicinity of the first water discharger and a predetermined inclination angle from the base end toward one side of the first water discharger. A first nozzle part formed so as to extend at a distance, and a second nozzle part formed so as to extend from the base end part toward the other side of the first water discharge part at a predetermined inclination angle, A urinal according to any one of claims 2 to 5, comprising:   The water discharge device is further connected to a main water supply channel to which cleaning water is supplied from a water supply source, and a branch portion on the downstream side of the main water supply channel, and the cleaning water supplied from the main water supply channel is supplied to the first water supply device. A first water supply path that supplies water to the water discharge section; a second water supply path that is connected to the branch section of the main water supply path and supplies wash water supplied from the main water supply path to the second water discharge section; A first flow rate adjusting means for adjusting the instantaneous flow rate of the cleaning water in the first water supply channel provided in the first water supply channel; and the second water supply channel provided in the second water supply channel. And a second flow rate adjusting means for adjusting the instantaneous flow rate of the cleaning water to be lower than the instantaneous flow rate of the cleaning water in the first water supply channel. The urinal described.   The water discharge device further discharges wash water from the second water discharge unit when the user uses a urinal, and a predetermined time elapses separately from when the user uses the urinal. The urinal according to any one of claims 1 to 7, further comprising a control unit that controls to discharge the wash water from the first water discharge unit each time the operation is performed.   9. The water discharge device according to claim 1, further comprising an electrolysis microbial water supply unit that includes an electrolyzer that generates the electrolysis sterilization water and supplies the electrolysis sterilization water to the second water discharge unit. The urinal according to any one of the above.

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