JP3211571B2 - Sanitary washing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sanitary washing apparatus for washing a human body part after stool, and more particularly to a washing apparatus capable of efficiently washing by changing a washing jet.

[0002]

2. Description of the Related Art A cleaning device of this type for cleaning a human body has a plurality of users. Therefore, the form of a comfortable cleaning jet differs depending on gender, age, individual difference, physical condition, etc. There is a desire to select a pattern. As a countermeasure for this, there has conventionally been a configuration in which the water level of the cleaning water can be adjusted in a plurality of stages. However, the pattern of the cleaning jet is the same, and it has not been possible to sufficiently cope with the needs of the user.

For this reason, in recent years, as shown in FIGS. 10 and 11, two or more types of cleaning nozzles having different cleaning jet patterns have been proposed (Japanese Patent Application Laid-Open No. Sho 62-111).
No. 038). In FIG. 1, reference numeral 1 denotes a first anal cleaning nozzle for cleaning with a jet that provides a relatively strong stimulus due to a steady flow, and 2 performs a softer and wider cleaning than the first anal cleaning nozzle 1. A second anal irrigation nozzle, which is capable of washing, and 3 is a bidet irrigation nozzle for performing local irrigation of women. 4 is an operation panel shown in FIG.
First, second, and third for activating the cleaning nozzles 1, 2, and 3, respectively.
It has washing switches 5, 6, and 7, a stop switch 8, and a water pressure adjusting switch 9, and the nozzle switching valve 10 is selected by selecting any of the first, second, and third washing switches 5, 6, and 7. The water in the tank 12 is switched by the pump 11 through the hose 13 and the hot water tank 1 is switched.
4 and is configured to be ejected from a selected cleaning nozzle.

According to this configuration, by selecting one of the first, second, and third cleaning switches 5, 6, and 7 according to the preference, a cleaning jet pattern according to the user's preference can be selected. In addition, by adjusting the water pressure adjustment switch 9, the pump 11 can be controlled to adjust the water pressure to be ejected as desired.

[0005]

However, in the conventional cleaning apparatus as described above, it is possible to select a jet pattern by a intensive steady flow and a soft and wide jet pattern, but it is necessary to switch a nozzle switching valve. It requires a certain amount of time to switch the jet pattern due to the configuration that drives another cleaning nozzle to advance, and realizes a cleaning jet pattern in which these jet patterns are selectively switched with a single cleaning nozzle or alternately repeated. Could not.
For this reason, the user may be given a monotonous feeling, and it has not been possible to improve the cleaning power by changing the cleaning jet.

Further, in the above-mentioned conventional cleaning apparatus, it is necessary to separately provide a cleaning nozzle and a nozzle switching means corresponding to the type of the cleaning jet, which leads to an increase in the complexity and size of the apparatus and an accompanying increase in price. I was

The present invention has been made to solve the above problems, and
There is no need to provide individual cleaning nozzles corresponding to the types of cleaning jets, and a simple configuration can provide a swinging jet that can provide a wide-ranging and air-mixed soft cleaning experience.
It is a primary object to provide a sanitary washing device.

In addition , the oscillating jet and the intensive
To provide a sanitary washing device capable of selectively switching a washing jet.
Is a second object.

It is a third object of the present invention to provide a sanitary washing device which can realize a washing jet which alternately repeats a swinging jet and a concentrated jet, can eliminate a monotonous feeling and has a high washing effect.
are doing.

A fourth object of the present invention is to provide a sanitary washing apparatus capable of further increasing the user's freedom of choice by enabling the ratio of the discharge time of the oscillating jet to the concentration jet to be adjusted arbitrarily. And

In addition, the total discharge time per repetition of the oscillating jet and the concentrated jet, that is, the oscillating / concentrating repetition cycle can be arbitrarily adjusted, so that the degree of freedom of choice of the user can be further increased. A fifth object is to provide a cleaning device.

In addition, a cleaning jet pattern for repeatedly ejecting the oscillating and concentrated jets by automatically and irregularly changing the ratio of the ejection time of the oscillating jet and the concentrated jet and the oscillation / concentration repetition cycle is realized. It is a sixth object of the present invention to provide a sanitary washing device capable of further reducing monotonous feeling.

[0013] In addition, at the start of cleaning, a soft jet mixed with air is automatically selected, so that
A seventh object of the present invention is to provide a sanitary washing device free from pain or anxiety at the start of washing.

An eighth aspect of the present invention is to provide a sanitary washing apparatus with good operability by automatically stopping the washing operation after alternately repeating the oscillating jet and the concentrated jet for a predetermined time. The purpose is.

Further, in a configuration in which the washing operation is automatically stopped after the oscillating jet and the concentrated jet are alternately repeated for a predetermined time, the washing end time can be set, thereby increasing the user's freedom of choice. A ninth object of the present invention is to provide a sanitary washing device capable of performing the above.

Further, by adopting a structure in which a soft jet containing air is automatically selected at the start of cleaning and at the end of cleaning, there is no feeling of pain or anxiety at the start of cleaning, and finish cleaning at the end of cleaning. A tenth object is to provide a sanitary washing device that can be performed.

It is an eleventh object to provide a sanitary washing apparatus which controls the water level at the start of washing and at the end of washing so that the waste to be washed is less scattered.

[0018]

In order to achieve the first object, a sanitary washing apparatus according to the present invention comprises a washing water supply means for supplying washing water, and a washing nozzle for jetting the washing water toward a human body part. Washing the washing water from the washing water supply means with the washing water
A washing water supply path for supplying to the cleaning nozzle, and the washing water supply path
Air washing means for forcibly mixing air into the washing nozzle , wherein the washing nozzle has a nozzle chamber communicating with the washing water supply path, a main ejection hole communicating with the nozzle chamber, and the main ejection hole as a center.
A predetermined distance on both sides of the human body in the front-rear direction
A pair of auxiliary nozzle holes are provided, and the auxiliary nozzle
Auxiliary jets are ejected vertically from the main orifices
At a predetermined angle with respect to the main jet to merge with the main jet
It is formed obliquely, and air is not mixed by the air mixing means.
In this way, the oscillating jet is ejected .

Further sanitary washing device of the present invention in order to achieve the second object, aeration from aeration means to wash water
And a jet selection switch for selecting the presence or absence of a jet.
Oscillating jet that mixes air by selecting a switch
And a concentrated jet without air mixing can be selected and discharged.
It is.

In order to achieve the third object, the sanitary washing device according to the present invention comprises a first washing pattern switch.
Oscillating jet and concentrated jet alternately and repeatedly
It is provided with a first jet control circuit.

In order to achieve the fourth object, the sanitary washing device of the present invention is characterized in that, when the oscillating jet discharge time is tw and the concentrated jet discharge time is ts, the ratio of the pulsating jet to the concentrated jet discharge time It is configured by providing a duty setting device capable of adjusting tw / ts.

In order to achieve the fifth object, the sanitary washing apparatus of the present invention sets a cleaning cycle Tc to the sum of the oscillating jet discharge time tw and the concentrated jet discharge time ts, and adjusts the cleaning cycle Tc. It is configured by providing a period setting device.

In order to achieve the sixth object, the sanitary washing apparatus of the present invention controls the air mixing means by turning on the second washing pattern switch, and controls the oscillating jet discharge time tw, the concentrated jet discharge time ts and A second jet control circuit is provided for automatically and irregularly changing the cleaning cycle Tc, which is the sum of the tw and ts, and for repeatedly ejecting the oscillating and concentrated jets.

In order to achieve the seventh object, a sanitary washing device according to the present invention comprises an oscillating jet priority circuit for starting washing from an oscillating jet immediately after the first or second cleaning pattern switch is turned on. Is provided.

In order to achieve the eighth object, the sanitary washing apparatus of the present invention controls the air mixing means by turning on a third washing pattern switch to alternately and repeatedly eject a oscillating jet and a concentrated jet. And an automatic stop circuit for automatically stopping the cleaning operation after a predetermined time has elapsed.

In order to achieve the ninth object, the sanitary washing apparatus according to the present invention is provided with a washing time setting means for setting a washing time in an automatic stop circuit for automatically stopping a washing operation after washing for a predetermined time. Is provided.

In order to further achieve the tenth object, the sanitary washing apparatus of the present invention is provided with an automatic stop circuit for automatically stopping the washing operation after washing for a predetermined time. The apparatus is provided with a jet setting means for discharging the oscillating jet.

In order to achieve the eleventh object, the sanitary washing apparatus of the present invention is provided with an automatic stop circuit for automatically stopping a washing operation after washing for a predetermined time. In addition, the water force gradually increases with the passage of time, and at the end of the washing, a pulsating jet is provided, and a water force adjusting means for gradually reducing the water force with the passage of time is provided.

[0029]

In the sanitary washing device according to the present invention, the washing nozzle is
A nozzle chamber communicating with the washing water supply path, a main ejection hole communicating with the nozzle chamber, and a human body centered on the main ejection hole.
At predetermined intervals on both sides in the front-rear direction, two pairs of auxiliary
In addition to providing a spill hole group, the
The main jet, where the auxiliary jet is jetted vertically from the main jet,
Formed at a predetermined angle with respect to the main outlet so that they merge
And air is mixed by the air mixing means.
Since the oscillating jet is ejected more , when air is mixed in, the gas-liquid two-layer flow containing bubbles is intermittently ejected from the main ejection holes and the group of auxiliary nozzle holes and merges at a predetermined position. At this time, if the jet vector of the auxiliary jet from the group of auxiliary nozzles is decomposed into a horizontal component and a vertical component with respect to the main jet from the main jet, the vertical component intermittently acts on the main jet, and as a result A dynamic jet is obtained. By providing a pair of auxiliary nozzle holes on both sides of the human body in the front-rear direction when the toilet seat is attached / detached, the oscillating jet becomes a long elliptical jet in the front-rear direction of the human body. Is obtained.

[0030] The sanitary washing apparatus according to the present invention, the air mixed
Jet selection to select whether or not air is mixed into the washing water from the inlet
And a selection switch.
Oscillating jets for aerating and concentrated jets without aeration
Since the flow is configured to be selectively dischargeable, it is possible to selectively discharge the concentrated jet and the oscillating jet with a single cleaning nozzle.

Further, since the sanitary washing device according to the present invention is provided with the first jet control circuit, the air supply means is intermittently driven and controlled. As a result, the oscillating jet and the concentrated jet are alternately and repeatedly discharged. As a result, the cleaning effect is improved due to the concentrated dispersion of the cleaning area and the change in the cleaning sensation, and the monotonous feeling during cleaning is alleviated.

Further, the sanitary washing device according to the present invention is provided with a duty setting device capable of adjusting the ratio tw / ts of the discharge time of the oscillating jet and the concentrated jet, so that the oscillating and concentrated jet can be arbitrarily discharged. You can set the time as you like.
As a result, the degree of freedom in selecting cleaning conditions for each user can be further expanded.

Further, the sanitary washing device according to the present invention is provided with a washing cycle setting device capable of adjusting the total discharge time per repetition of the swing and the concentrated jet, that is, the swing / concentrated repetition cycle. The length of the repetition period can be set arbitrarily. This makes it possible to set more suitable cleaning conditions for each user.

Further, in the sanitary washing device according to the present invention, the air mixing means is controlled by turning on the second washing pattern switch, and the washing which is the oscillating jet discharge time tw, the concentrated jet discharge time ts, and the sum of tw and ts. Since the second jet control circuit for automatically and irregularly changing the cycle Tc to repeatedly eject the oscillating and concentrated jets is provided, the ratio of the ejection time between the oscillating jet and the concentrated jet and the oscillation / concentration repetition cycle Can be realized automatically and irregularly. This makes it possible to further reduce the monotonous feeling at the time of cleaning.

Further, the sanitary washing apparatus according to the present invention is provided with a swing jet priority circuit for starting washing from the swing jet at the start of washing, so that a soft jet mixed with air is automatically selected at the start of washing. . This can reduce pain or anxiety at the start of cleaning. This is particularly suitable for hemorrhoids.

Further, the sanitary washing device according to the present invention is provided with an automatic stop circuit for alternately and repeatedly discharging the oscillating jet and the concentrated jet, and automatically stopping the washing operation after a predetermined time has elapsed. After alternately repeating the concentrated jet for a predetermined time, the cleaning operation is automatically stopped. This eliminates the need to perform the stop operation again, and improves operability.

Further, in the sanitary washing apparatus according to the present invention, the washing time for setting the washing time is provided by providing an automatic stop circuit for automatically stopping the washing operation after alternately repeating the oscillating jet and the concentrated jet for a predetermined time. Since the setting means is provided, the length of the cleaning time can be arbitrarily set according to the user's preference. This makes it possible to set more suitable cleaning conditions for each user.

Further, the sanitary washing apparatus of the present invention has an automatic stop circuit for automatically stopping the washing operation after alternately repeating the oscillating jet and the concentrated jet for a predetermined period of time. Is provided with a jet setting means for discharging the oscillating jet, so that a soft jet into which air is automatically jetted at the start of washing and at the end of washing. Thus, there is no feeling of pain or anxiety at the start of cleaning, and finish cleaning is performed at the end of cleaning. That is, since cleaning is performed over a wide area by a soft jet, the cleaning feeling at the end of cleaning is improved.

Further, the sanitary washing apparatus of the present invention is provided with an automatic stop circuit for automatically stopping the washing operation after washing for a predetermined time, wherein the washing is started with a pulsating jet and gradually with the passage of time. The water force is increased, and at the end of the washing, a pulsating jet is provided, and a water force adjusting means for gradually lowering the water force with the passage of time is provided. In addition, the cleaning is performed by the jet whose water level is adjusted. For this reason, the washing sensation is further improved, and the water force is adjusted, so that the washing dirt is washed off in advance with a weak water flow, and thereafter, the operation shifts to full-scale washing, and the scattering of the washing dirt can be reduced.

[0040]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram of a sanitary washing apparatus according to an embodiment of the present invention, wherein reference numeral 15 denotes washing water supply means 18 comprising a water pump 16 and a motor 17 as its driving means.
Reference numeral denotes a hot water tank for storing hot water heated by the electric heater 19, and reference numeral 20 denotes a cleaning water supply path for supplying cleaning water. Reference numeral 21 denotes a washing nozzle unit, which is a nozzle cylinder 2 having a water supply port 22 communicating with a washing water supply path 20.
3. Moveable to supply the washing water that is located inside the nozzle cylinder 23 and receives the water pressure of the washing water, stops at the position of the human body, and enters the water supply passage 24 to the washing nozzle 25 provided at the tip end. An elastic member 27 is provided to move the movable water supply 26 to the retracted position when the supply of cleaning water is stopped by stopping the water supply 26 and the cleaning water supply means 15. Numeral 28 denotes an air mixing means composed of an air pump 29 and a motor 30 as a driving means thereof. Air is supplied to the cleaning water from the upstream side of the cleaning nozzle unit 21 via a check valve 31 for preventing a back flow of the cleaning water. Forcibly mixed.

FIGS. 2 and 3 are an enlarged sectional view and a top view of the cleaning nozzle 25, respectively. A nozzle chamber 32 communicating with the water supply passage 24, a single main ejection hole 33 communicating with the nozzle chamber 32, and a predetermined diameter in the front-rear direction of the human body when seated on the toilet seat with the main ejection hole 33 as a center and smaller in diameter than the main ejection hole 33; Interval P
n, a pair of auxiliary nozzle holes 34 is provided, and the auxiliary nozzle holes 34 are provided. The axis of the jet flow from the auxiliary nozzle holes 34 is the cleaning line between the portion to be cleaned and the cleaning nozzle 25. It is provided at a predetermined angle θn so as to intersect near the nozzle.

By adopting such a configuration, it is possible to select between a oscillating jet for performing a relatively wide range of cleaning as shown in FIG. 1 and a concentrated jet for locally cleaning, depending on the presence or absence of air in the cleaning water. Discharge becomes possible. This point will be described in detail with reference to the swing principle diagrams shown in FIGS. In the figure, (a) shows a state in which no bubbles are mixed, and (b) shows a state in which bubbles are mixed. Here, the ejection power of the washing water from the main ejection hole 33 is Vm, the ejection power from the auxiliary nozzle hole group 34 is Va and Vb, and the ejection power from the auxiliary nozzle hole group 34 is When the horizontal components Va1 and Vb1 and the vertical components Va2 and Vb2 are decomposed, when the air bubbles are not mixed, the vertical component Va is used.
2 and Vb2 are balanced and stabilized, resulting in an intensive jet as shown in FIG. At this time, the auxiliary nozzle hole group 34
The water flow has the function of suppressing the turbulence of the jet from the main jet hole 33, and the concentration is improved. On the other hand, if air bubbles are mixed, the washing water ejected from the main ejection holes 33 and the auxiliary nozzle hole group 34 becomes an irregular intermittent flow, so that the balance between Va2 and Vb2 is lost as shown in FIG. The jet oscillates as shown in FIG. 2 on each side of the human body
By providing the pair of auxiliary nozzle hole groups 34, the oscillating jet becomes an elliptical jet that is long in the front-rear direction of the human body, and a jet suitable for the local part of the human body is obtained. That is, unnecessary portions do not wet during cleaning. As a result, swinging or concentrated jet can be selectively discharged by controlling the presence or absence of air mixing.

Numeral 35 denotes a water supply control circuit for driving the cleaning water supply means 15 and the air mixing means 28. When the jet selection switch 36 is turned on, air mixing is performed via the cleaning water supply means 15 and the air pump driving circuit 37. The means 28 is driven to supply the gas-liquid two-layer flow in which air is mixed at a predetermined ratio to the cleaning nozzle 25, and the oscillating jet is discharged from the cleaning nozzle 25. When the jet selection switch 36 is turned on again, the aeration means 28 is stopped and the cleaning water supply means 15 is turned off.
Only the cleaning water is supplied to the cleaning nozzle 25, and a concentrated jet is discharged. That is, the jet selection switch 3
The swing or the concentrated jet is selectable by 6.

Reference numeral 38 denotes a first jet control circuit for controlling the air mixing means 28 via an air pump drive circuit 37.
By turning on the first cleaning pattern switch 39, the oscillating jet and the concentrated jet are alternately repeated as shown in the time chart of the cleaning jet in FIG. 5, that is, the operation and stop of the air mixing means 28 are controlled. The first jet control circuit 38 includes a duty setting device 40 that allows a user to set a ratio tw / ts between the oscillating jet discharge time tw and the concentrated jet discharge time ts in FIG. 5, and the length of the oscillating jet discharge time. t
w and the length ts of the concentrated jet discharge time, that is, the swing /
Assuming that the cleaning time per one repetition cycle of concentration is the cleaning cycle Tc, the cleaning cycle Tc is set by the cleaning cycle setting unit 41 which allows the user to set the cleaning cycle Tc and the first cleaning pattern switch 39 as shown in FIG. Immediately after the injection, a swing jet priority circuit 42 which always starts from swing cleaning in which air is mixed is constituted.

Reference numeral 43 denotes a stop switch. When this switch is selected, all the cleaning operations are stopped.

Next, the operation of this embodiment will be described.
The operation will be described. When the jet selection switch 36 is turned on, the water supply control circuit 35 controls the motors 17 and 3.
0 rotates, and the washing water is supplied into the nozzle cylinder 23 through the hot water tank 18 and the washing water supply path 20 by the water pump 16, and the pressure of the washing water is generated on the end face of the movable water supply body 26 to form the elastic member 27. When the cleaning nozzle 25 reaches the position of the human body, the cleaning nozzle 25 stops moving and the cleaning water is supplied to the nozzle chamber 32. On the other hand, the air pump 29 also operates at the same time as the operation of the water pump 16, and air is forcibly mixed into the washing water at a predetermined ratio via the check valve 31, forming a gas-liquid two-layer flow, and the main ejection of the washing nozzle 25. The liquid is simultaneously ejected from the holes 33 and the group of auxiliary nozzle holes 34 to form a pulsating jet capable of performing a relatively wide-range cleaning as shown in FIG. 1 and providing a soft cleaning feeling as shown in FIG. Local cleaning is performed. When the jet selection switch 36 is turned on again, the operation of the air pump 29 is stopped by the water supply control circuit 35, and only the washing water is supplied to the washing nozzle 25, and the local strong washing as shown in FIG. A concentrated jet that gives a feeling is obtained. That is, the swing or concentrated jet can be arbitrarily selected by the jet selection switch 36.

Next, when the first cleaning pattern switch 39 is selected and turned on, the air supply means 28 is controlled by the first jet control circuit 38, and the oscillating jet and the concentrated jet are alternately repeated as shown in FIG. A cleaning pattern is executed.
Thereby, the movement of the washing water in the part to be washed becomes active,
That is, the intensity of the cleaning jet changes and the concentration of the cleaning area is dispersed, so that the monotonous feeling at the time of cleaning is reduced and the cleaning power is improved. If the stop switch 43 is selectively turned on, all the cleaning operations are stopped.

Since the duty setting unit 40 and the cleaning cycle setting unit 41 are provided, the time ratio tw / ts of the swing / concentrated jet and the length of the repetition cycle Tc can be arbitrarily set according to the user's preference. This makes it possible to set more suitable cleaning conditions for each user.

Further, since the oscillating jet priority circuit 42 for starting cleaning from the oscillating jet at the start of cleaning is provided, a soft jet mixed with air is automatically selected at the start of cleaning. This can reduce pain or anxiety at the start of cleaning.

As described above, according to the present embodiment, it is not necessary to provide a separate cleaning nozzle corresponding to the type of the cleaning jet, and by operating the jet selection switch 36, the oscillating jet and the concentrated jet can be selected as desired. Arbitrary selective ejection becomes possible.

By turning on the first cleaning pattern switch 39, it is possible to realize a jet pattern in which an oscillating jet and a intensive cleaning jet by a steady flow are alternately repeated. Since the intensity of the cleaning jet and the concentration and dispersion of the cleaning area occur in the portion to be cleaned, the monotonous feeling at the time of cleaning is reduced and the cleaning power is improved.

Further, since the duty setting unit 40 and the cleaning cycle setting unit 41 are provided, the time ratio tw / ts of the swing / concentrated jet and the length of the repetition cycle Tc can be arbitrarily set according to the user's preference. This makes it possible to set more suitable cleaning conditions for each user.

Further, since the oscillating jet priority circuit 42 is provided,
At the start of cleaning, a soft jet mixed with air is automatically selected and discharged. This can reduce pain or anxiety at the start of cleaning. This is particularly suitable for hemorrhoids.

FIG. 6 shows a configuration diagram of a sanitary washing apparatus according to another embodiment of the present invention. In the figure, reference numeral 44 denotes a second jet control circuit. When a second cleaning pattern switch 45 is turned on, as shown in the time chart of the cleaning jet in FIG. An air pump drive circuit which automatically and irregularly changes the discharge time ts and the sum of tw and ts, that is, the cleaning cycle Tc per one repetition cycle of oscillating and concentrating, so as to repeatedly oscillate and concentrate jets. 37 is controlled.

The second jet control circuit 44 calculates the ratio t between the oscillating jet discharge time tw and the concentrated jet discharge time ts in FIG.
a duty control circuit 46 for changing w / ts irregularly every cycle, and a length tw of the oscillating jet discharge time.
And the length ts of the concentrated jet discharge time, that is, the length Tc of the cleaning time per one repetition cycle of rocking / concentration.
Immediately after the cleaning cycle control circuit 47 and the second cleaning pattern switch 45 for automatically and irregularly changing each cycle are turned on, the oscillating jet priority circuit 42 for starting the oscillating cleaning always containing air. It is composed of Other configurations are the same as those of the embodiment of FIG. 1, and the same reference numerals are given and the detailed description is omitted.

In the above configuration, the operation of this embodiment will be described next.
The operation will be described. By selectively turning on the jet selection switch 36, an oscillating jet and a concentrated jet can be arbitrarily selected in the same manner as in the embodiment shown in FIG. On the other hand, when the second cleaning pattern switch 46 is selectively turned on, the duty control circuit 4
6 and the cleaning cycle control circuit 47, the air pump driving circuit 37 is controlled, and as shown in FIG. 7, the duty ratio tw / ts of the oscillating and concentrated jets and the cleaning cycle Tc are automatically and irregularly repeated every cycle. Is executed. As a result, the washing water in the part to be washed changes irregularly, that is, the intensity of the washing jet changes, the frequency of concentrated dispersion of the washing area becomes irregular, and the monotonous feeling at the time of washing is further alleviated. The detergency will be improved.

FIG. 8 is a block diagram showing a sanitary washing apparatus according to still another embodiment of the present invention. In the same figure, reference numeral 48 denotes an automatic stop circuit. When a third cleaning pattern switch 49 is turned on, the oscillating jet and the concentrated jet alternate according to a predetermined mode as shown in the time chart of the cleaning jet in FIG. And the water supply control circuit 35 and the air pump drive circuit 37 are automatically stopped after a predetermined time Ta has elapsed to stop the cleaning operation. The automatic stop circuit 48 includes a timer circuit 51 for driving the water supply control circuit 35 and the air pump drive circuit 37 for a predetermined time based on a signal from the cleaning time setting means 50 for setting the cleaning continuation time Ta, as shown in FIG. At the start of washing and at the end of washing, the jet setting means 52 for automatically ejecting the oscillating jet and at the start of washing, the water force gradually increases from Fa to Fb as time elapses, and reverse at the end of washing. And a water pressure adjusting means 53 for gradually lowering the water pressure with the passage of time. Other configurations are shown in FIG.
Is the same as that of the embodiment shown in FIG.

Next, the operation of this embodiment will be described. By selecting and turning on the jet selection switch 36,
As in the embodiment shown in FIG. 1, the oscillating jet and the concentrated jet can be arbitrarily selected. On the other hand, the third cleaning pattern switch 49
Is selected, the jet setting means 52 and the water force adjusting means 53 cause the aeration means 28 to be inserted as shown in FIG.
In addition, the washing water supply means 15 is controlled, the oscillating jet and the water force gradually increase from Fa to Fb, and after a predetermined time tw has elapsed, the convergence jet is shifted. Repeated. Thereafter, when the washing is completed, the jet setting means 52 and the water force adjusting means 53 are again provided.
Operates, the oscillating jet and the water force are gradually reduced, and the time Ta set by the user by the cleaning time setting means 50 is set.
When the time elapses, the cleaning operation is automatically stopped by the timer circuit 51. As a result, when the third cleaning pattern switch 49 is turned on, the cleaning is automatically advanced and stopped, so that it is not necessary to perform the stop operation again, and the operability is improved. Further, since the cleaning time setting means 50 is provided, the length of the cleaning time can be arbitrarily set according to the user's preference. This makes it possible to set more suitable cleaning conditions for each user.

At the start of washing and at the end of washing, the jet setting means 52 for discharging the oscillating jet is provided, so that at the start of washing and at the end of washing, a soft jet containing air is automatically ejected. Accordingly, there is no feeling of pain or anxiety at the start of the cleaning, and since the cleaning is performed over a wide area by the soft jet at the end of the cleaning, the cleaning feeling at the end of the cleaning is improved.

Further, at the start of washing, the water force gradually increases with the passage of time, and at the end of washing, there is provided a water force adjusting means 53 for gradually decreasing the water force. Washing will be performed by the regulated jet. For this reason, the cleaning experience is further improved,
The water force is adjusted so that the dirt to be cleaned is washed off in advance with a weak current, and then the cleaning is shifted to a full-scale cleaning, whereby scattering of dirt to be cleaned to unnecessary parts can be reduced.

With the configuration described in the present embodiment, the following
The effect can be obtained.

(1) By selecting and turning on the jet selection switch
Provides a wide-area, air-filled soft cleaning experience
Oscillating jet and intensive washing jet with a single washing nozzle
Selective discharge allows separate cleaning nozzles corresponding to the type of jet.
There is no need to provide a nozzle, which simplifies the configuration and reduces
Can be implemented. The two pair to the cleaning nozzle auxiliary Nozzle
Holes to reduce turbulence in the jet from the main outlet
And concentration is improved. In addition, before and after the human body when attaching and detaching the toilet seat
By providing a pair of auxiliary nozzle holes in the direction,
The oscillating jet is an elliptical jet that is long in the front-back direction of the human body.
An oscillating jet suitable for the body part is obtained.

(2) Turning on the first cleaning pattern switch
Oscillating jet and concentrated jet are alternately and repeatedly discharged
Cleaning due to the concentrated dispersion of the cleaning area and the change in cleaning experience.
Improves the cleaning effect and reduces the monotonous feeling during cleaning
You.

(3) Duty setting device and cleaning cycle setting
Oscillating / arbitrary according to user's preference
Concentrated jet time ratio tw / ts and repetition period Tc
Length can be set. This will make it easier for each user
Suitable cleaning conditions can be set.

(4) Turning on the second cleaning pattern switch
Automatically and irregularly on every cycle
Duty ratio tw / ts of dynamic and concentrated jets and cleaning cycle Tc
Is changed, the cleaning pattern is changed.
Washing water changes irregularly, changes in washing jet strength, washing
Since the frequency of area concentration and dispersion is irregular,
The feeling of feeling is alleviated and the detergency is improved.

(5) Since the oscillating jet priority circuit is provided,
At the start of cleaning, a soft jet mixed with air is automatically selected.
Selective discharge, reducing pain or anxiety at the start of cleaning
I can do it. This is particularly suitable for hemorrhoids.

(6) Turn on the third cleaning pattern switch
Oscillating and concentrated jets are automatically repeated
Cleaning mode progresses and stops automatically after a predetermined time
This eliminates the need to perform a stop operation again, improving operability.
I do.

(7) In the configuration for performing the automatic stop operation,
A washing time setting means is provided to meet user preferences.
The length of the washing time can be set arbitrarily. This allows each use
More suitable washing conditions can be set for the user.

(8) In the configuration for performing the automatic stop operation,
A jet setting means is provided so that cleaning can be started and finished.
Sometimes a soft jet with air is automatically ejected
You. This eliminates any pain or anxiety at the start of cleaning.
In addition, at the end of cleaning, a wide area is provided by a soft jet.
Since the washing is performed, the washing feeling at the end of the washing is improved.

(9) In the configuration for performing the automatic stop operation,
Water level adjustment means is provided so that cleaning can be started and stopped
Sometimes washing is performed by a jet with controlled water pressure.
You. As a result, the cleaning experience is further improved and the
After washing the waste to be cleaned in advance with a weak current
To full-scale cleaning, and remove unnecessary parts of
Scattering can be reduced.

[0072]

As described in detail above, the sanitary washing device of the present invention
According to the configuration, the concentrated jet or the oscillating jet can be
Can be provided and comfortable cleaning can be realized.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a sanitary washing device showing one embodiment of the present invention.

FIG. 2 is a cross-sectional view of the cleaning nozzle.

FIG. 3 is a top view of the cleaning nozzle.

FIG. 4 is an operation principle diagram of the cleaning nozzle.

FIG. 5 is a time chart of the cleaning jet.

FIG. 6 is a configuration diagram of a sanitary washing device showing another embodiment of the present invention.

FIG. 7 is a time chart of the cleaning jet.

FIG. 8 is a configuration diagram of a sanitary washing device showing still another embodiment of the present invention.

FIG. 9 is a time chart of the cleaning jet.

FIG. 10 is a configuration diagram of a conventional sanitary washing device.

FIG. 11 is a configuration diagram of the operation panel.

[Explanation of symbols]

 Reference Signs List 15 cleaning water supply means 20 cleaning water supply path 25 cleaning nozzle 32 nozzle chamber 33 main ejection hole 34 auxiliary nozzle hole group 36 jet selection switch 38 first jet control circuit 39 first cleaning pattern switch 40 duty setting device 41 cleaning cycle Setter 42 Oscillating jet priority circuit 44 Second jet control circuit 45 Second cleaning pattern switch 48 Automatic stop circuit 49 Third cleaning pattern switch 50 Cleaning time setting means 52 Jet setting means 53 Water force adjusting means

────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Motoko Toshima 1006 Oaza Kadoma, Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (56) References JP-A-6-146374 (JP, A) JP-A-6-146 17473 (JP, A) JP-A-2-80725 (JP, A) JP-A-58-29932 (JP, A) JP-A-7-71066 (JP, A) JP-A-60-159081 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) E03D 9/08

Claims (11)

(57) [Claims] A cleaning water supply means for supplying 1. A cleaning water, a cleaning nozzle for spouting cleansing water on the human private, the washing
Supplying cleaning water from the purified water supply means to the cleaning nozzle;
Forcibly mixing air into the washing water supply path and the washing water supply path
The washing nozzle includes a nozzle chamber communicating with the washing water supply path, a main ejection hole communicating with the nozzle chamber, and a front-rear direction of the human body with the main ejection hole as a center.
A pair of auxiliary nozzle holes at predetermined intervals on both sides of the
And an auxiliary jet from the auxiliary nozzle hole group.
Merges with the main jet ejected vertically from the main jet
Is formed at a predetermined angle with respect to the main ejection port.
Oscillation caused by aeration by aeration means
A sanitary washing device that jets a jet . 2. The method according to claim 1, further comprising the step of:
A jet selection switch for selecting the presence or absence of the
By selecting the switch, the oscillating jet that mixes air
Claims that can selectively discharge a concentrated jet without air mixing
Item 6. The sanitary washing device according to Item 1 . 3. When the first cleaning pattern switch is turned on.
The first method that alternately and repeatedly discharges a swirling jet and a concentrated jet
The sanitary washing device according to claim 2, further comprising a jet control circuit. 4. An oscillating jet discharge time is tw, a concentrated jet discharge.
When the time is ts, the discharge time of the oscillating jet and the concentrated jet
A duty setting device that can adjust the ratio tw / ts
The sanitary washing device according to claim 3 . 5. An oscillating jet discharge time tw and a concentrated jet discharge
The sum of the intervals ts is defined as a cleaning cycle Tc, and this cleaning cycle Tc is adjusted.
The sanitary washing device according to claim 3, further comprising a settable washing cycle setting device. 6. When the second cleaning pattern switch is turned on.
Control the air mixing means to collect the oscillating jet discharge time tw
Washing time, which is the medium jet discharge time ts and the sum of tw and ts
Oscillating or concentrated jets with irregularly changing cleaning cycle Tc
A second jet flow control circuit for repeatedly discharging is provided.
3. The sanitary washing device according to 3 . 7. A first or second cleaning pattern switch.
Immediately after the switch is inserted, start washing from the oscillating jet.
7. The sanitary washing device according to claim 6, further comprising a swing jet priority circuit . 8. A switch for turning on a third cleaning pattern switch.
Control the air mixing means to alternate between the oscillating jet and the concentrated jet.
, And automatically after a predetermined time
4. An automatic stop circuit for stopping a cleaning operation in the apparatus.
The sanitary washing device according to any one of claims 1 to 7 . 9. A cleaning time for setting a duration of a cleaning operation.
9. The sanitary washing device according to claim 8, further comprising setting means . 10. Swinging at the start of washing and at the end of washing
A jet setting means for discharging a jet is provided.
10. The sanitary washing device according to any one of 9 above . 11. The cleaning jet is an oscillating jet at the start of cleaning and passes over time.
The water gradually increases with excess water, and at the end of cleaning, a oscillating jet
Water force that gradually decreases over time
The sanitary washing device according to claim 10, further comprising an adjusting means .