JP2001040741A - Urinal with automatic washing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve assembly workability of a valve unit of an automatic washing device in a urinal integrally provided with the automatic washing device inside an upper cover on the upper side of a urinal body. SOLUTION: This urinal with an automatic washing device 22 is constituted by enclosing the automatic washing device 22 with a valve unit 28 inside an upper cover on the upper side of a urinal body. In fitting and fixing the valve unit 28 to the urinal body in the state of supporting at least two parts of the valve unit 28 by a mounting plate 47, one of two parts is screw-fixed to a first support part 60 of the mounting plate 47, and the other is fitted into a fit-in recessed part 66 provided at a second support part 62 of the mounting plate 47 and supported from the lower side by the second support part 62.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a urinal with an automatic cleaning device for automatically cleaning a urinal based on human body detection by a human body sensor, and more particularly, to a urinal integrated with the automatic cleaning device.

[0002]

2. Description of the Related Art Conventionally, an automatic cleaning device having a human body sensor, a valve unit including an electromagnetic valve, and a control unit for controlling the operation thereof is housed inside an upper cover of the urinal body, and the human body is detected by the human body sensor. 2. Description of the Related Art A urinal with an automatic flushing device that automatically opens a solenoid valve based on sensing and discharges flushing water from a water discharge section of a urinal body to automatically perform flushing is known.

FIGS. 8 to 10 show a conventional urinal having such an automatic cleaning device. In FIG. 8, reference numeral 200 denotes a ceramic urinal body provided with a bowl 202, and reference numeral 204 denotes an upper cover on the upper side thereof. An automatic cleaning device 206 is assembled on the upper surface of the urinal main body 200, and the automatic cleaning device 206 is housed inside the upper cover 204 and is in a concealed state. Reference numeral 208 denotes a hanging portion of the urinal main body 200, and reference numeral 210 denotes a sensor window provided on the upper cover 204.

The automatic cleaning device 206 has a photoelectric type human body sensor 212 and a valve unit 214 as shown in FIG. The human body sensor 212 is provided inside the sensor casing 216 at a position facing the sensor window 210. In addition, the sensor casing 2
A control unit for controlling the operation of an electromagnetic flash valve 238 described later is incorporated in the inside 16, and is electrically connected to the electromagnetic flash valve 238 and a generator 240 described later via a curl cord 246 extending from the sensor casing 216. Have been.

[0005] The valve unit 214 has a tubular body 217, one end of which in the axial direction is buried in a wall via a flexible internal water supply pipe 218 on the primary side. It is connected to the. In addition, the other end side is connected to the water discharge section 2 of the urinal body 200 via the internal water supply pipe 220 on the secondary side.
24.

As shown in FIG. 9B, the water discharge section 224 is made of ceramic and integrally formed with the urinal body 200, has a water supply chamber 226 therein, and has a valve unit 214 therein. The cleaning water supplied via the storage device is temporarily stored here.

The flush water stored in the water supply chamber 226 subsequently flows out to the water discharge chamber 230 through the rear communication hole 228, and is further continuously connected to the water discharge chamber 230 in the pot surface of the urinal body 200. Are sprayed downward from a large number of spray holes 232 formed along the surface, and the pot surface is cleaned.

The washing water in the water supply chamber 226 also flows out through the front communication hole 234 into the rim water channel inside the rim 236 shown in FIG. The water is sprayed, and the bottom of the bowl 202 is washed.

The valve unit 214 includes an electromagnetic flash valve 238 and a generator 240.
By opening and closing the electromagnetic flash valve 238, the supply and stop of the washing water to the water discharge section 224 is performed. In this example, the electromagnetic flash valve 238 comprises a main valve 242 and an electromagnetic pilot valve 244 for controlling the opening and closing of the main valve 242.

The generator 240 has an impeller which is located in a water passage inside the body 217 and is rotated by a water flow.
Electric power is generated by the rotation of the impeller. This generator 24
The power generated at 0 is stored in a storage battery not shown.

As shown in FIGS. 8 and 9, a metal mounting plate 248 is fixed to the upper surface of the urinal main body 200, and the valve unit 214 is connected to the urinal main body via the mounting plate 248. It is attached and fixed to the upper surface of 200.

FIG. 10 shows the structure for fixing the valve unit 214 to the mounting plate 248 in detail. As shown in FIG. 10, the mounting plate 248 has a first support 250 and a second support
52 and the valve unit 21
4 is screwed at two places.

That is, the valve unit 214 is provided with a flange portion 254 and a male screw portion 256 for connecting a water supply pipe at the shaft end, and the male screw portion 256 is inserted into the insertion hole 258 of the first support portion 250. State there tightening nut 26
0 are screwed into the nut 260 and the flange 2
One of the shaft ends of the valve unit 214 is screwed to the first support portion 250 in a state where the first support portion 250 is sandwiched in the axial direction with the first support portion 250. A cap nut 262 is further screwed into the male screw portion 256 inserted through the insertion hole 258, so that the valve unit 214 and the primary internal water supply pipe 218 are connected.

The valve unit 214 is also integrally formed with a tongue-shaped fixed portion 264 at another fixing point, where the valve unit 214 is connected to the bolt 2.
66 is screwed to the second support portion 252.

[0015]

However, in the case of these conventional urinals with an automatic washing device shown in FIGS.
When mounting and fixing the valve unit 214 to the urinal body 200 via the mounting plate 248, a tongue-shaped fixed portion 264 is formed in the valve unit 214 in advance, and each of the two locations is screwed. The formation of the tongue-shaped fixed portion 264 complicates the structure of the valve unit 214, increases the weight and costs, and tightens the screws at each of the two locations. Has to be carried out and the fixing work has to be performed, so that there is a problem that the assembling takes time.

[0016]

The urinal with an automatic cleaning device according to the present invention has been devised to solve such a problem. According to the first aspect, a human body sensor is provided.
An automatic cleaning device having a valve unit including an electromagnetic valve and a control unit for controlling the operation thereof is housed inside an upper cover above the urinal body, and the electromagnetic valve is opened based on a human body detection by the human body sensor. A urinal having an automatic cleaning device for automatically flushing a toilet by discharging flush water from a water discharge section of the urinal body, wherein the mounting plate is provided with at least two portions of the valve unit supported by the mounting plate. And fixedly attached to the urinal body or the upper cover via a screw, one of the two places is screwed to the first support of the mounting plate, and the other is fixed to the second support of the mounting plate. The fitting portion is fitted into the opening-shaped fitting concave portion provided through the opening portion, and is supported from below by the second supporting portion.

According to a second aspect of the present invention, in the urinal according to the first aspect, an elastic member having a shape corresponding to the fitting concave portion is attached to the second support portion, and the valve unit is connected to the elastic member. The elastic member is fitted into the fitting concave portion with the elastic member being elastically compressed via the member.

According to a third aspect of the present invention, there is provided the urinal according to any one of the first and second aspects, wherein the valve unit has a flange at an axial end thereof and a male thread for connecting a water supply pipe following the flange. And the nut is screw-fixed so that the first support portion is sandwiched in the axial direction by the nut screwed to the male screw portion and the flange portion.

According to a fourth aspect of the present invention, in the urinal according to the third aspect, the first support portion is provided with an open fitting recess, and the valve unit is opened in the fitting recess. The valve unit is screwed to the first support portion by the male screw portion and the nut after being fitted through the portion.

According to a fifth aspect of the present invention, in the urinal according to the fourth aspect, the first support portion is provided with a locking claw projecting along a pipe axis direction of the valve unit. The nail is hooked on the outer surface of the valve unit.

[0021]

As described above, according to the first aspect of the present invention, two portions of the valve unit are supported by the mounting plate, and one of the valve units is screwed to the first support portion of the mounting plate, and the other is fixed. In the urinal of claim 1, only one screw is screwed when the valve unit is assembled. It is only necessary to fix it, and other parts only need to be fitted into the second support part, so that the assembling work is reduced and the assemblability is improved, and the valve unit is simply provided on the second support part side. Need only be fitted into the fitting recess, there is no need to provide a tongue-shaped fixed portion as in the prior art and screw the fixed portion to the second support portion. Tongue piece Of it it is not necessary to be formed integrally with the fixed portion, to simplify the structure of the valve unit, also the advantage is obtained that can lighten the weight thereof.

In this case, the fitting recess may be a substantially U-shaped or semicircular fitting recess which is open upward. With this configuration, the valve unit may be simply pushed downward from above, and the valve unit can be easily supported by the second support portion.

According to the second aspect, an elastic member having a corresponding shape is mounted along the fitting concave portion of the second support portion, and the valve unit is fitted into the fitting concave portion while the elastic member is elastically compressed. In the case of this claim 2, even in the case where the valve unit is fitted into the rigid second support portion, the valve unit is closed without any gap based on the elastic compression of the elastic member. In addition, the valve unit can be fitted and supported in the fitting concave portion while being tightened by the elastic member, so that the valve unit can be supported by the second support portion without play.

According to a third aspect of the present invention, a nut is screwed into a male thread portion for connecting a water supply pipe provided at the shaft end of the valve unit.
The nut and the flange portion of the valve unit are screw-fixed so that the first support portion is sandwiched in the axial direction. By doing so, one end of the valve unit can be firmly fixed. Accordingly, the valve unit can be firmly fixed to the mounting plate by simply supporting the other portion from below by the second support portion.

According to a fourth aspect of the present invention, a fitting concave portion is provided in the first support portion, the valve unit is fitted therein, and the valve unit is screw-fixed to the first support portion by a male screw portion and a nut. In this way, if it is done in this way, it is troublesome to provide an insertion hole in the first support part, insert the male screw part of the valve unit there, and then tighten the nut as in the past. This need not be performed, and the valve unit can be fixed to the fitting concave portion of the first support portion in the direction perpendicular to the axis by screwing. Therefore, the fixing operation is easy. In some cases, the nut is fitted to the valve unit in advance. In this state, the valve unit is fitted into the fitting concave portion of the first support portion, and then the nut is tightened, so that the screw can be fixed to the first support portion of the valve unit. It can be carried out more easily.

According to a fifth aspect of the present invention, the first supporting portion is provided with a locking claw projecting along the pipe axis direction of the valve unit, and the locking claw is locked on the outer surface of the valve unit. In this way, even if the nut is slightly loosened at the screw fixing portion of the valve unit with respect to the first support portion, the valve claw acts on the first support portion by the locking action of the locking claw. Detachment from the fitting recess can be prevented. That is, even when the valve unit is fitted and fixed in the fitting concave portion of the first support portion, it is ensured that the valve unit comes out of the opening portion of the fitting concave portion due to slight loosening of the nut. Can be reliably prevented.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings. In FIGS. 1 and 2, reference numeral 10 denotes a ceramic urinal body having a bowl 12 and a hanging part 14, and a spreader (water discharge part) 16 is provided at an upper part of the bowl surface, and washing water is directed downward from the spreader 16. And radially. In this example, the urinal body 10
Is not provided with a conventional vertical rim and a rim water passage therein as shown in FIG.

An upper cover 18 has a sensor window 20 on the front. An automatic cleaning device 22 is housed inside the upper cover 18 as shown in FIG. In FIG. 2, reference numeral 24 denotes a fixing block for fixing the urinal main body 10 to the rear wall surface.

In this example, the urinal body 10 has its upper portion fixed to the rear wall surface by a mounting plate 47 and a fixing block 24, which will be described later, and its lower end portion is simply placed on the floor. In particular, it is not fixed to the floor with fixtures.

The automatic cleaning device 22 has a sensor casing 26 and a valve unit 28 as shown in FIG. Inside the sensor casing 26, a photoelectric type human body detection sensor 30 (see FIG. 4) for detecting the presence or absence of a toilet user through the sensor window 20 is accommodated.

A control section for controlling the operation of an electromagnetic flash valve 42, which will be described later, is provided inside the sensor casing 26. The electromagnetic flash valve 42 and a control section, which will be described later, are provided through a curl cord 32 extending from the sensor casing 26. It is electrically connected to the generator 44 and the like.

In this embodiment, the valve unit 28 has a substantially linear shape and is disposed obliquely inside the upper cover 18. That is, the end (left end in the figure) on the side where the washing water flows is located at the front, and the opposite end (the right end in the figure) is located at the back so as to be oblique to the wall surface. It is arranged in a state.

One end of the tubular body 34, more specifically, one end of a tubular body 34, is connected to a flexible internal water supply pipe 36 on the primary side.
The other end is connected to the spreader 16 via a secondary internal water supply pipe 38 shown in FIG. 4. The secondary internal water supply pipe 38 extends downward on the rear side of the bowl 12 in the urinal body 10 and has its tip connected to the spreader 16 attached to the bowl surface.

The valve unit 28 includes a water stopcock 4.
0, an electromagnetic flash valve (electromagnetic valve) 42, and a generator 44 are integrally incorporated. Here, the electromagnetic flash valve 42 includes a main valve 45 that opens and closes the main water passage, and a main valve 4 that opens and closes the main water passage.
And an electromagnetic pilot valve 46 for opening and closing the valve 5.

The generator 44 rotates the impeller with the force of the water flow in the water channel to generate electric power. The generated power is stored in a storage battery not shown. The automatic cleaning device 22 of this embodiment can operate using the storage battery as a power source. However, it can be operated using a 100 V commercial power supply as a power supply. In the latter case, the generator 44 is used as a water amount sensor for detecting the flow rate of water by the rotation of the impeller.

As shown in FIGS. 2 and 3, a metal mounting plate 47 is fixed on the upper surface of the urinal body 10, and the valve unit 28 is connected to the urinal via the mounting plate 47. It is attached and fixed to the upper surface of the main body 10.

As shown in FIGS. 5 and 6, the mounting plate 47 has cover fixing pieces 50 which stand upright at both left and right ends of the base 48. The upper cover 18 has a pair of left and right side walls formed with bolts 52 shown in FIG.
The cover 54 is fixed to the cover fixing piece 50 by the holding member 54 and is fixed to the urinal body 10 via the mounting plate 47.

As shown in FIGS. 5 and 6, the mounting plate 47 is integrally provided with a holding portion 56 for holding the valve unit 28. This holding section 56
The first support portion 60 is configured to stand upright at a position separated by a predetermined distance in the pipe axis direction of the valve unit 28,
It has second support portions 62, each of which has a fitting recess 6
4, 66 are formed.

Here, the fitting concave portion 64 on the first support portion 60 side is used.
Has a substantially rectangular shape that is open (opened) upward, and the fitting recess 66 on the second support portion 62 side has a substantially U-shape that is open (open) upward. . The first support portion 60 has a valve unit 28 at its upper end.
Are formed in the pipe axis direction.

On the other hand, on one end side of the valve unit 28, more specifically, on one end side of the body 34, a flange portion 70 and a male screw tube portion (male screw portion) 72 having a circular cross section are provided following the flange portion 70. The tightening nut 73 is screwed. The flange portion 70 and the tightening nut 73 fasten the first support portion 60 in the tube axis direction, whereby one end of the valve unit 28 is screwed to the first support portion 60.

More specifically, the male screw tube portion 72 is fitted into the fitting recess 64.
The fitting nut 7 is attached to the male screw on the outer peripheral surface of the male screw tube part 72 protruding from the first support part 60.
3 is screwed into the valve unit 2 by the tightening force.
One end of 8 is screwed to the first support portion 60.

Note that a pair of locking claws 6 are provided from the first support portion 60.
8 protrudes along the pipe axis direction of the valve unit 28, and when the male screw pipe part 72 is fitted downward into the fitting concave part 64, the flange part 70 does not interfere with the locking claw 68, and Fit into the fitting recess 64. Thereafter, the valve unit 28 is slightly pushed into the first support portion 60 to bring the flange portion 70 into contact with the first support portion 60, and the tightening nut 73 is screwed into the male screw tube portion 72.

At this time, as shown in FIG. 3 (B), the locking claws 68 are locked on the outer surface of the flange portion 70. Therefore, even if the tightening nut 73 is loosened, the valve unit 28 is not locked. Does not escape upward from the fitting recess 64. That is, the locking claw 68 is
Of the valve unit 28 to prevent the valve unit 28 from falling out of the fitting recess 64 at one end.

After the male threaded tube portion 72 is fitted into the fitting recess 64, the tightening nut 73 is screwed in, and the flange portion 70 is drawn toward the first support portion 60 by the tightening force, so that the flange portion 70 is moved. You may make it contact the 1st support part 60. Alternatively, the tightening nut 73 is previously connected to the male thread tube portion 72.
After loosely fitting the male thread tube portion 72 into the fitting recess 64 in this state, the tightening nut 73 is screwed firmly to fix one end of the valve unit 28 to the first support portion 60. May be.

The male screw tube portion 72 protruding from the first support portion 60 further includes a constant flow valve 74 and a nut 7 with a male screw tube.
6, the primary internal water supply pipe 36 is connected to the cap nut 78.
The water from the water supply source pipe is connected by the valve unit 2
8.

The mounting plate 47 has a toilet bowl fixing piece 58.
Are integrally provided, and the toilet fixing piece 58 is fixed to the fixing block 24 (see FIG. 2). That is, it is fixed to the rear wall surface via the fixing block 24.

The valve unit 28, specifically, its body 34, comprises an electromagnetic flash valve 42 and a generator 44.
The portion (fitting portion) is downwardly inserted into the fitting recess 66 of the second support portion 62 via an elastic member (made of rubber in this example) 80. It is fitted and supported by the second support portion 62 from below. Here, the elastic member 80 has a U-shape corresponding to the fitting recess 66.

The elastic member 80 has a groove 82 along the outer peripheral edge as shown in detail in FIG.
The groove 82 is fitted in the second support portion 62 in a fitted state. A guide portion 84 is provided at the end of the groove 82 so as to open in a C-shape, and the elastic member 80 can be easily fitted into the second support portion 62 by the guide action of the guide portion 84. It has become. Further, ribs 86 are formed integrally with the elastic member 80 at appropriate intervals so as to restrict the guide portion 84 in an open shape in a C shape.

As described above, in this embodiment, the U-shaped elastic member 80 is attached to the second support portion 62 along the fitting concave portion 66, and the valve unit 2 is connected via the elastic member 80.
8 is fitted into the fitting recess 66. At this time, the elastic member 80 is elastically compressed and tightens the fitting portion of the body 34, so that the fitting portion of the body 34 is supported by the second support portion 62 without rattling.

As described above, the automatic cleaning device 22 of this embodiment
Can operate using a storage battery as a power source and a commercial power source as a power source. However, when a commercial power supply of 100 V is used as the power supply, the sensor casing 26 is connected to the power supply via an adapter for reducing the voltage. Therefore, a space for accommodating the adapter is secured inside the sensor casing 26.

That is, in this embodiment, the common sensor casing 26 can cope with the case where the storage battery is used as the power supply or the case where the commercial power supply is used as the power supply. Conventionally, separate sensor casings are used, but in the present embodiment, the same sensor casing 26 can be used.

Further, since a space for accommodating the adapter is secured inside the sensor casing 26, even when it is necessary to use an adapter when a commercial power supply is used as a power supply, the space for installing the adapter is reduced. There is an advantage that it is not necessary to secure it outside the H.26.

In FIG. 7, reference numerals 90 and 92 denote lead wires for connection to the generator 44 and to the electromagnetic flash valve 42, respectively, and reference numeral 94 denotes a lead wire for connection to a commercial power supply. When a 100 V commercial power supply is used, the conductor 94 is connected to the commercial power supply via the connector 88 and the curl cord 32. At this time, the generator 44 is used as a water amount sensor.

When the storage battery is used as a power source, the conductor 94
Is not connected to a commercial power supply, and the generator 44 is used as an original generator for storing power in a storage battery. Note that the curl cord 32 connected to the conductors 90 and 92 via the connector 88 is configured to be common to the conductors 90 and 92 in this example.

In the case of the urinal of this embodiment, the valve unit 28
At the time of assembling, only one place needs to be fixed with screws.
Therefore, the assembling work is reduced, and the assembling property is improved.
8 only needs to be fitted into the fitting recess 66, so that there is no need to provide a tongue-shaped fixed portion as in the prior art and fix the fixed portion to the second support portion with a screw. This has the advantage of simplifying the structure of the device 28 and reducing its weight.

In this embodiment, the fitting recess 6 of the second support 62 is
Since the valve unit 28 is fitted into the fitting recess 66 in a state where the elastic member 80 is mounted on the elastic member 80 and the elastic member 80 is elastically compressed, the rigid second support portion 62 is provided.
When the valve unit 28 is fitted into the fitting unit 66, the valve unit 28 can be fitted and supported in the fitting recess 66 in a state where the valve unit 28 is tightened with no gap based on the elastic compression of the elastic member 80, The valve unit 28 can be supported by the second support portion 62 without rattling.

In this embodiment, the first supporting portion 60 is fitted into the concave portion 6.
4, the valve unit 28 is fitted in the valve unit 28, and the valve unit 28 is screw-fixed to the first support portion 60 by the male thread tube portion 72 and the tightening nut 73. It is not necessary to perform a troublesome operation such as providing an insertion hole in the first support portion and inserting a male screw portion of the valve unit into the first support portion, and then tightening the nut. Can be fixed.

Although the embodiments of the present invention have been described in detail, this is only an example. For example, in the above embodiment, the first support portion 60 and the second support portion 62 are provided on the single mounting plate 47, but the first support portion 60 and the second support portion 62 are formed on separate mounting plates. It is also possible to do.

Further, in the present invention, the valve unit 28 and the mounting plate 47 may be
The present invention can be configured in a form in which various modifications are made without departing from the gist of the present invention, for example, it is possible to attach to the side.

[Brief description of the drawings]

FIG. 1 is a view showing a urinal with an automatic cleaning device according to an embodiment of the present invention in an external appearance state.

FIG. 2 is a view showing the urinal of FIG. 1 with an upper cover removed.

FIG. 3 is a view showing a main part of a fixing portion of the automatic cleaning device and the valve unit inside the upper cover 18 of the urinal of FIG. 1;

FIG. 4 is a cross-sectional view illustrating a main part of the urinal of FIG.

5 is a perspective view showing the valve unit of FIG. 3 and its mounting plate.

FIG. 6 is a view showing the valve unit of FIG. 3 and its mounting plate in a separated state.

FIG. 7 is a diagram showing electric wiring of the automatic cleaning device of FIG. 3;

FIG. 8 is a view showing a conventional urinal with an automatic cleaning device with an upper cover removed.

9 is a plan view of the automatic cleaning apparatus of FIG. 8 and a partially cutaway view of the upper part of the urinal.

FIG. 10 is a view showing a fixing structure of a valve unit in the automatic cleaning device of FIG. 8;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Urinal body 16 Spreader (water discharge part) 18 Top cover 22 Automatic washing device 28 Valve unit 30 Human body sensor 36 Internal water supply pipe 42 Electromagnetic flash valve (electromagnetic valve) 47 Mounting plate 60 First support part 62 Second support part 64 , 66 Fitting recess 68 Locking claw 70 Flange 72 Male thread tube (male thread) 73 Tightening nut 80 Elastic member

Claims (5)

[Claims] An automatic cleaning apparatus having a human body sensor, a valve unit including an electromagnetic valve, and a control unit for controlling the operation thereof is housed inside an upper cover on the upper surface of the urinal body, and the human body is detected by the human body sensor. The urinal with an automatic cleaning device that opens the electromagnetic valve based on the sensing and discharges flush water from a water discharge portion of the urinal body to automatically perform toilet flushing. At least two locations of the valve unit are attached. In the state supported by the plate, the urinal body or the upper cover is attached and fixed to the urinal body or the upper cover via the attachment plate, and one of the two places is screw-fixed to the first support portion of the attachment plate. Is fitted through the open portion into an open fitting recess provided in the second support portion of the mounting plate, and is supported from below by the second support portion. Urinal with an automatic cleaning device, characterized and. 2. The urinal according to claim 1, wherein an elastic member having a shape corresponding to the fitting recess is attached to the second support portion, and the valve unit is connected to the second support portion via the elastic member. A urinal with an automatic cleaning device, wherein the elastic member is elastically compressed and fitted into the fitting concave portion. 3. The urinal according to claim 1, wherein the valve unit is provided with a flange portion at a shaft end and a male screw portion for connecting a water supply pipe following the flange portion. A urinal with an automatic cleaning device, wherein the first support portion is screw-fixed so as to sandwich the first support portion in the axial direction between a nut screwed into a male screw portion and the flange portion. 4. The urinal according to claim 3, wherein the first support portion is provided with an open fitting recess, and the valve unit is fitted into the fitting recess through the opening portion. A urinal with an automatic cleaning device, wherein the valve unit is screw-fixed to the first support portion by the male screw portion and the nut. 5. The urinal according to claim 4, wherein the first supporting portion is provided with a locking claw protruding along a pipe axis direction of the valve unit, and the locking claw is attached to the valve unit. A urinal with an automatic cleaning device, wherein the urinal is hooked on an outer surface of the urinal.