JP2000160650A - Privates washing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To avoid the occurrence of leakage of water by a method wherein washing water is prevented from being kept jetting out of a nozzle when no person is present. SOLUTION: For a privates washing apparatus 18 which washes the privates of a human body with washing water jetted from a jet orifice 48 with a nozzle 20 thrust out from a nozzle cylinder 22 by supply water pressur, a stopper 72 which checks thrusting-out of the nozzle 20 out of the nozzle cylinder 22 when a main valve is opened without signal transmitted from a washing operation part for starting the operation is provided. By operation of the stopper 72, jetted washing water is butted against the nozzle cylinder 22 and allowed to fall into a toilet bowl.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a local cleaning apparatus for performing cleaning by injecting cleaning water from a nozzle to a human body.
More specifically, the present invention relates to an apparatus characterized by a means for preventing washing water from continuing to blow out from a nozzle in a state where no person is present.

[0002]

2. Description of the Related Art A nozzle is held in a nozzle cylinder so that it can be moved in and out, a water supply valve is opened based on an ON operation signal from a cleaning operation unit, cleaning water is guided to the nozzle, and the nozzle is moved from the nozzle cylinder by a water supply pressure. 2. Description of the Related Art A local cleaning device of a type that extrudes and injects cleaning water from an injection hole at a tip to clean a local part of a human body is conventionally known.

[0003]

However, in the case of this local cleaning device, the switching element in the drive circuit of the water supply valve may fail. In this case, the cleaning water continues to be sprayed from the nozzle for a long time and the area around the toilet bowl is disturbed. There is a problem that the floor gets wet, especially when the toilet is on the second floor and the floor of the toilet is not waterproof.
There was a risk that the ceiling of the floor would get wet.

[0004]

The local cleaning apparatus of the present invention has been devised to solve such a problem. According to the first aspect of the present invention, the nozzle is held in the nozzle cylinder so as to be able to move in and out, and a water supply valve is opened based on an ON operation signal from the cleaning operation unit, and the cleaning water is guided to the nozzle and the nozzle is opened. In a local cleaning device of a type in which cleaning water is pushed out from the nozzle cylinder by a water supply pressure and sprayed from an injection hole at a tip to clean a human body part, the water supply valve is opened without an ON operation signal from the cleaning operation unit. A stopper is provided to prevent the nozzle from pushing out of the nozzle cylinder when the nozzle is in the state, and the washing water from the injection hole is applied to the nozzle cylinder by the action of the stopper and dropped into the toilet bowl. It is characterized by doing so.

According to a second aspect of the present invention, the nozzle is held in the nozzle cylinder so as to be able to be moved in and out, a water supply valve is opened based on an ON operation signal from the cleaning operation unit, and the cleaning water is guided to the nozzle to open the nozzle. In a local cleaning device of a type in which the cleaning water is pushed out from the nozzle cylinder by a water supply pressure to inject the cleaning water from an injection hole at a distal end to wash a local part of a human body, the nozzle is moved under the ON operation signal from the cleaning operation unit. A rotating device is provided for performing wide cleaning by reciprocatingly rotating the nozzle together with the nozzle cylinder over a predetermined rotating range in a state where the nozzle is pushed out of the cylinder. The nozzle is rotated together with the nozzle cylinder until the nozzle is retracted into the nozzle cylinder and to a standby angle position outside the rotation range. None shall be, and positioned in front of the nozzle in the 該待 machine angular position, characterized in that a stopper for preventing the extrusion from the nozzle cylinder of the nozzle by the supply water pressure.

According to a third aspect of the present invention, in the local cleaning apparatus according to the second aspect, the rotating device includes a shaft that rotatably supports the nozzle cylinder and a rotating member that rotates integrally with the nozzle cylinder. And a drive motor for rotating the rotating member.

According to a fourth aspect of the present invention, the nozzle is held in the nozzle cylinder so as to be able to move in and out, and a water supply valve is opened based on an ON operation signal from the cleaning operation unit, and the cleaning water is guided to the nozzle to open the nozzle. In a local cleaning device of a type in which washing water is pushed out from the nozzle cylinder by a water supply pressure and sprays water from an injection hole at a tip to wash a local part of a human body, the nozzle cylinder is moved back and forth under an ON operation signal from the cleaning operation unit. The reciprocating movement of the nozzle moves the jetting position of the washing water from the nozzle pushed out of the nozzle cylinder back and forth,
Along with the reciprocating device for performing wide cleaning, the up and down movement in conjunction with the reciprocating motion of the nozzle cylinder by the reciprocating device,
A stopper is provided to be in an upright state when the nozzle is retracted and to prevent the nozzle from being pushed out of the nozzle cylinder by a water supply pressure of the nozzle.

According to a fifth aspect of the present invention, there is provided the local cleaning apparatus according to the fourth aspect, wherein the advance / retreat device holds the nozzle cylinder and moves forward and backward, and a spring for urging the stopper in a downward direction. And a connecting member for connecting the base and the stopper, and a connecting member for raising the stopper against the urging force of the spring by a retreating movement of the base, having a stopper operating device. Features.

[0009]

As described above, in the case of the local cleaning device of the present invention, the nozzle is pushed out of the nozzle cylinder by the supply pressure of the cleaning water to the nozzle, and the cleaning water is injected from the injection hole at the tip of the nozzle. In this case, when the water supply valve is opened in a state where there is no ON operation signal from the cleaning operation unit, the local cleaning device according to claim 1 prevents the nozzle from being pushed out of the nozzle cylinder by the stopper, and the injection hole. In this local cleaning device, the switching element breaks down while the water supply valve is open, and the cleaning element is dropped from the nozzle. Even if the flush water continues to spray, the flush water splashes out of the toilet bowl and wets the floor. Can be prevented.

According to a second aspect of the present invention, there is provided a local cleaning apparatus provided with a rotary device for performing wide cleaning by reciprocatingly rotating a nozzle together with a nozzle cylinder over a predetermined rotary range. At the time of the non-cleaning operation, the nozzle is rotated to the standby angle position out of the rotation range under the state where the nozzle is drawn into the nozzle cylinder, and the nozzle from the nozzle cylinder is moved forward of the nozzle at the standby angle position. This local cleaning device is provided with a stopper that prevents extrusion by water supply pressure. In this local cleaning device, a rotating device for performing wide cleaning is effectively used to supply water pressure of a nozzle from a nozzle cylinder during a non-cleaning operation. Is prevented by the stopper. Therefore, during non-washing operation, the water supply valve remains open, and even if washing water continues to be sprayed from the injection hole at the tip of the nozzle, it can be dropped into the toilet bowl, and the injection to the outside of the toilet bowl is prevented well. can do.

Here, the rotating device may be configured to have a shaft that rotatably supports the nozzle cylinder, a rotating member that rotates integrally with the nozzle cylinder, and a drive motor that drives the rotating member. (Claim 3). With this configuration, the rotating device can be configured with a simple structure, and the nozzle can be satisfactorily reciprocated in the predetermined rotating range during the cleaning operation, and the nozzle can be moved during the non-cleaning operation. Can be rotated to the standby angle position, where it can be made to stand by.

According to a fourth aspect of the present invention, there is provided a local cleaning apparatus including an advance / retreat device for performing wide cleaning by moving a jet position back and forth by reciprocating a nozzle cylinder back and forth, and moving the nozzle cylinder forward and backward by the advance / retreat device. In the local cleaning device according to claim 4, a stopper is provided which rises and lowers in conjunction with the movement, becomes a standing state at the retreat position of the nozzle, and prevents the nozzle from being pushed out of the nozzle cylinder by the water supply pressure of the nozzle. Even during the non-washing operation, even if the water supply valve is kept open and the washing water continues to be sprayed from the injection hole, it can be dropped into the toilet bowl,
It is possible to satisfactorily prevent the washing water from being continuously sprayed to the outside of the toilet bowl.

[0013] Here, the reciprocating device is configured to connect the pedestal that holds and moves forward and backward by holding the nozzle cylinder, a spring that urges the stopper in the downward direction, the pedestal and the stopper, and moves the stopper by the retreating motion of the pedestal. And a connecting member that stands up against the urging force of the spring. In this way, the reciprocating device can be configured at a low cost with a simple structure, and the stopper can be effectively utilized by effectively using the reciprocating motion of the nozzle cylinder in the reciprocating device, specifically, the reciprocating motion of the base. It can be raised and lowered, and the washing water can be sprayed from the injection hole at the nozzle tip without any trouble during the washing operation, and the spray water from the injection hole falls into the toilet bowl during the non-washing operation, and the washing water is sprayed. Can be satisfactorily prevented from scattering outside the toilet bowl.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings. In FIG. 1, 10 is a toilet bowl, 12 is a toilet seat, 14
Reference numeral 16 denotes a toilet lid, and reference numeral 16 denotes a washing tank fixedly mounted on the rear upper surface of the toilet 10. Reference numeral 18 denotes a local cleaning device for spraying cleaning water from one of a pair of nozzles 20 to a local part of a human body, and has a main body box 24 in which various mechanisms of the local cleaning device 18 are incorporated. .

The main body box 24 has a sleeve portion 26 protruding to the side of the toilet 10, and an operation portion 28 is provided on an upper surface thereof. Here, the operation unit 28 includes a cleaning key 30 for injecting cleaning water from one of the pair of nozzles 20 as shown in FIG. 4 and a cleaning key 30 for injecting cleaning water over a wide range to perform wide cleaning. It has a wide cleaning key 32 and a stop key 33 for stopping them.

Reference numeral 34 denotes a water tap provided on the wall W of the toilet room. A branch tap 36 for branching a water supply passage is connected to the water tap 34. A pair of water supply pipes 38 and 40 extend from the branch tap 36, and are connected to the cleaning tank 16 and the main body of the local cleaning device 18, respectively.

As shown in FIG. 2, the water supplied from the water supply pipe 40 first flows into the hot water tank 42 through a water supply passage inside the main body box 24 of the local cleaning device 18, thereby pushing out the hot water inside the hot water tank 42. Then, it is sent out to one of the pair of nozzles 20 via the vacuum breaker 44 and the switching valve 46.

The nozzle 20 is normally drawn into the nozzle cylinder 22 when it is supplied with the cleaning water. When the cleaning water is supplied, the nozzle 20 is pushed out of the nozzle cylinder 22 by the water supply pressure, and the cleaning water is discharged from the injection hole 48 at the tip. Inject water upward.

One of the pair of nozzles 20 is for cleaning the anus, and the other is for cleaning the local part of a woman. The switching valve 46 switches the supply of the cleaning water from one nozzle 20 to the other nozzle 20 or vice versa.

A main valve (water supply valve) 50 for opening and closing the water supply passage is provided on the water supply passage inside the main body box 24, specifically, at an upstream portion of the hot water tank 42. The injection and stop of the washing water from the nozzle 20 are performed by opening and closing the main valve 50.

As shown in FIG. 3B, the nozzle 20 is held so as to be able to enter and exit inside the nozzle cylinder 22, and is normally pulled into the nozzle cylinder 22 by the urging action of the return spring 52. Held in state. At this time, the injection hole 48 at the tip of the nozzle 20 is located inside the nozzle cylinder 22. Thus, when the cleaning water is supplied, the nozzle 20 is pushed out of the nozzle cylinder 22 against the urging force of the return spring 52 by the water supply pressure, and injects the cleaning water from the injection hole 48 at the tip.

As shown in FIG. 3A, a base plate 54 of the main body box 24 is provided with a support arm 56 which stands upright. The support arm 56 allows the nozzle cylinder 22 to rotate the shaft 58. It is rotatably supported through.

Reference numeral 60 denotes a gear (rotating member) that rotates integrally with the nozzle cylinder 22, and is operatively connected to a drive motor 64 via another gear 62 that meshes with the gear.

In this embodiment, the shaft 58, the gear 60,
62, the drive motor 64 rotates the nozzle 20 together with the nozzle cylinder 22 over a predetermined rotation range, whereby the cleaning water from the injection hole 48 is sprayed over a wide range to the human body local area to perform wide cleaning. The driving device 66 is constituted.

Here, the rotating device 66 reciprocates the nozzle 20, specifically the nozzle cylinder 22, over a predetermined rotating range α when performing wide cleaning. On the other hand, during the non-cleaning operation, the rotation device 66 rotates the nozzle cylinder 22 to the standby angle position deviating from the rotation range α to the lower side in the drawing in the retracted state of the nozzle 20, and moves them to the standby angle position. Wait. The operation of the drive motor 64 is so controlled by the controller 68 of FIG.

The tip of the base plate 54 is shown in FIG.
As shown in FIG. 3B, a bent portion 70 having a V-shaped cross section is formed, and a portion inclined obliquely upward from the bottom of the bent portion 70 to the left in the figure is a stopper 72. Thus, the nozzle 20 that has been drawn into the nozzle cylinder 22 is prevented from being pushed out of the nozzle cylinder 22 by the water supply pressure.
At the bottom of the bent portion 70, a drain hole 76 for draining water in the recess 74 downward is formed.

In the case of the local cleaning device 18 of this embodiment, when the wide cleaning key 32 is selected and operated, the rotating device 66 causes the nozzle 2
FIG. 3 in a state where 0 is pushed out from the nozzle cylinder 22.
The nozzle 20 is reciprocatingly rotated within the rotation range α of (A), and the cleaning water from the injection holes 48 is sprayed over a wide range to perform wide cleaning.

On the other hand, when the stop key 33 is operated, the water supply is stopped by closing the valve of the main bubble 50, so that the nozzle 20 is drawn into the nozzle cylinder 22 and
The rotation device 66 controls the nozzle cylinder 22 and the nozzle 2
0 is rotated downward in FIG. 3A to the standby angle position.

At this time, the stopper 72 provided on the base plate 54 is located in front of the nozzle 20. Therefore, even if the main valve 50 is opened in this state and the water supply pressure acts on the nozzle 20, Nozzle 20
The nozzle cylinder 22
The washing water guided by the nozzle 20 and jetted from the jetting hole 48 at the tip does not fall out into the toilet bowl and does not scatter outside the toilet bowl.

As described above, in the local cleaning device 18 of this example, the switching element may fail while the main valve 50 is open, and the cleaning water may continue to be sprayed from the nozzle 20. In addition, it is possible to prevent that the jet flush water scatters outside the toilet bowl and wets the floor, and furthermore, the subsequent jet water causes a water leakage accident from the toilet room.

Further, the local cleaning device 18 of the present embodiment effectively utilizes the rotating device 66 for performing wide cleaning, and rotates the nozzle cylinder 22 together with the nozzle 20 to the standby angle position during the non-cleaning operation. Therefore, it is not necessary to separately provide a device for rotating them to the standby angle position during the non-cleaning operation, and the device can be configured at low cost.

In the local cleaning device 18 of this example, the main valve 50 is actively opened while the nozzle 20 is located at the standby angle position, and the cleaning water is injected into the injection hole 4 of the nozzle 20.
It can also be made to inject from 8. By doing so, the dirt on the injection hole 48 can be washed with the rebound water of the injection water from the injection hole 48.

Next, FIG. 5 shows another embodiment of the present invention. In this example, by repeatedly performing the forward and backward movements of the nozzle cylinder 22 together with the nozzle 20, the cleaning water from the injection hole 48 at the tip of the nozzle 20 is jetted over a wide range to the human body part to perform wide cleaning. It is an example.

In this example, the reciprocating device 78 has a base 80 for holding the nozzle cylinder 22 and a drive motor 82, and a pinion gear 84 on the drive motor 82 side.
And the rack gear 86 on the base portion 80 side,
The rotation of the drive motor 82 causes the base 80 to move forward and backward in the left-right direction in FIG.

The reciprocating device 78 performs wide cleaning by moving the base portion 80 forward and backward while the nozzle 20 is pushed out of the nozzle cylinder 22 during the cleaning operation.

Reference numeral 88 denotes a stopper for preventing the nozzle 20 from being pushed out. The stopper 88 is rotatably provided around a shaft 90 and is always urged in a downward direction by a torsion coil spring 92. Reference numeral 94 denotes a connecting member for connecting the stopper 88 and the base 80, and one end of the connecting member 94 has a long hole 9 of the base 80.
It is hung on 6.

In the advancing / retracting device 78 of this example, when the pedestal 80 moves forward, the stopper 88 is turned down by the urging action of the torsion coil spring 92, and the advancing movement of the nozzle cylinder 22 by the pedestal 80 is allowed ( FIG. The pedestal portion 80 moves forward and backward under the state where the stopper 88 is turned down (downside down), and jets the cleaning water from the nozzle 20 in a wide range.

On the other hand, at the time of non-washing, the base 80 is retracted rightward in FIG. 5, and at this time, the stopper 88 rises obliquely against the urging force of the torsion coil spring 92 due to the retreating movement of the base 80. State (see FIG. 1I).
Therefore, even if the feed water pressure is guided to the nozzle 20 in this state, the nozzle 20 is stopped by the stopper 88 to prevent the nozzle cylinder 2 from moving.
You will not be pushed out of 2.

Therefore, in this state, the washing water guided to the nozzle 20 is jetted into the nozzle cylinder 22 from the jetting hole 48 at the tip similarly to the embodiment shown in FIG. 3 and scatters outside the toilet bowl as it is. Without falling into the toilet bowl. In this example, the base portion 80, the torsion coil spring 92, and the connecting member 94 constitute an operating device of the stopper 88.

Also in this embodiment, even when the main valve 50 is kept open during the non-washing operation and the washing water continues to be jetted from the injection hole 48, the washing water can be dropped into the toilet bowl, It is possible to satisfactorily prevent the washing water from being continuously sprayed to the outside.

An advance / retreat device 78 for performing wide cleaning.
Since the stopper 88 is operated by effectively utilizing the structure, the apparatus can be configured with a simple structure at a low cost. In this example, the nozzle 20 is also connected to the nozzle cylinder 2
2. Main valve 50
By opening the nozzle 20, the injection hole 48 at the tip of the nozzle 20 can be cleaned.

Although the embodiment of the present invention has been described in detail, this is merely an example, and the present invention can be configured in variously modified forms without departing from the gist thereof.

[Brief description of the drawings]

FIG. 1 is a diagram showing a local cleaning device according to an embodiment of the present invention together with a toilet bowl.

FIG. 2 is an enlarged view showing a main part of the local cleaning device of the same embodiment.

FIG. 3 is an enlarged view showing another main part of the local cleaning device of the same embodiment.

FIG. 4 is a block diagram showing a control system of the local cleaning device of the same embodiment.

FIG. 5 is a diagram showing a main part of another embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 18 Local cleaning device 20 Nozzle 22 Nozzle cylinder 28 Operation unit 48 Injection hole 50 Main valve (water supply valve) 58 Shaft 60 Gear (rotary member) 64 Drive motor 66 Rotating device 72, 88 Stopper 78 Advance / retreat device 80 Base 92 Torsion coil Spring 94 Connecting member α Rotation range

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Nobuyuki Tanaka 5-1-1 Koie Honcho, Tokoname, Aichi Prefecture Inside Inax Co., Ltd. (72) Eiji Saito 5-1-1 Koie Honcho, Tokoname, Aichi Prefecture Inax Co., Ltd. (72) Inventor Motohiro Nishiuchi 5-1-1 Koie Honcho, Tokoname City, Aichi Prefecture Inax Corporation (72) Inventor Naoto Yamada 5-1-1 Koie Honmachi, Tokoname City, Aichi Prefecture Inax Corporation (72) Invention Person Masato Takeda 5-1-1 Koiehoncho, Tokoname-shi, Aichi F-term in Inax Co., Ltd. (Reference) 2D038 JA05 JA07

Claims (5)

[Claims] A nozzle is held in a nozzle cylinder so as to be able to be moved in and out, a water supply valve is opened based on an ON operation signal from a cleaning operation unit, cleaning water is guided to the nozzle, and the nozzle is driven by the water supply pressure. In a local cleaning device of a type in which cleaning water is ejected from the injection hole at the tip by pushing out of the cylinder to wash a human body part, when the water supply valve is opened without an ON operation signal from the cleaning operation unit. A stopper for preventing the nozzle from pushing out of the nozzle cylinder,
The local cleaning device, wherein the cleaning water sprayed from the injection hole is applied to the nozzle cylinder and dropped into the toilet bowl by the action of the stopper. 2. A nozzle is held in a nozzle cylinder so as to be able to move in and out, and a water supply valve is opened based on an ON operation signal from a cleaning operation unit, cleaning water is guided to the nozzle, and the nozzle is driven by the water supply pressure. In a local cleaning device of a type in which cleaning water is ejected from a cylinder and ejected from a jet hole at a tip to wash a human body part, a state in which the nozzle is pushed out of the nozzle cylinder under an ON operation signal from the washing operation unit. A rotating device for performing wide cleaning by reciprocating the nozzle together with the nozzle cylinder over a predetermined rotating range is provided under the rotating device. The nozzle is rotated together with the nozzle cylinder to a standby angle position out of the rotation range under the state of being drawn into the nozzle cylinder. And local cleaning apparatus characterized in that a stopper for preventing the extrusion from the nozzle cylinder of the nozzle by the feeding pressure located in front of the nozzle in the 該待 machine angular position. 3. The local cleaning device according to claim 2, wherein the rotation device includes a shaft that rotatably supports the nozzle cylinder, a rotation member that rotates integrally with the nozzle cylinder, and the rotation member. And a drive motor for driving the rotary cleaner. 4. A nozzle is held in a nozzle cylinder so as to be able to be moved in and out, a water supply valve is opened based on an ON operation signal from a cleaning operation unit, cleaning water is guided to the nozzle, and the nozzle is driven by the water supply pressure. In a local cleaning device of a type in which the cleaning water is ejected from a cylinder and ejected from an injection hole at a tip to wash a human body part, the nozzle cylinder is reciprocated back and forth under an ON operation signal from the cleaning operation unit. The jetting position of the washing water from the nozzle pushed out from the nozzle cylinder is moved back and forth, and an advancing / retracting device for performing wide cleaning is provided. It is characterized in that a stopper is provided to be in an upright state when retracted and to prevent the nozzle from being pushed out of the nozzle cylinder by a water supply pressure of the nozzle. To the local cleaning device. 5. The local cleaning device according to claim 4, wherein the advance / retreat device holds the nozzle cylinder and moves forward / backward, a spring for urging the stopper in a downward direction, and the bases. And a stopper that connects the stopper and the base, and the connecting member raises the stopper against the urging force of the spring by the retreating movement of the base. apparatus.