JP2003193535A - Body washing method and sanitary washing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a body washing method and a sanitary washing device for providing bodily sensable washing strength as desired without changing the flow rate of washing water. <P>SOLUTION: The sanitary washing device comprises water supply means 1, a washing nozzle 2 connected to the water supply means 1 for exhausting washing water, heating means 3 for heating the washing water, and washing area adjusting means 4 for continuously varying an area in which the washing water exhausted from the washing nozzle 2 has contact with a human body. The washing nozzle 2 has a first flow path 13 and a second flow path 14 communicating with a single exhaust port 12 and rotating flow generating means 75 for giving additional force of rotation around the direction of exhaustion from the single exhaustion port 12 to the washing water flowing through the first flow path 13. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for washing a human body and a sanitary washing device.

[0002]

2. Description of the Related Art A human body washing method used for sanitary washing toilet seats or the like is to wash the local area of the human body by jetting washing water from a washing nozzle, but the flow rate (speed) of jetting the washing water to the human body is It is desirable to set an appropriate flow rate or a desired flow rate because it is related to the cleaning feeling intensity.

However, since the strength of feeling of cleansing varies depending on sex, age, individual difference, physical condition, etc., the strength of feeling of cleansing is not always comfortable and suitable for all users of sanitary washing toilet seats.

[0004]

Therefore, it is possible to change the cleaning flow rate to make the cleaning feeling intensity variable.
However, since the water pressure for supplying water to the sanitary washing toilet seat of each house or building is not constant, it is difficult to uniformly set the upper and lower limits of the washing flow rate of the sanitary washing toilet seat, and it is difficult to deal with it.

In addition, there is a case where the desired comfortable cleaning mode is not always obtained by adjusting the water pressure in the same cleaning jet which is configured so that the water pressure can be changed. Particularly in the case of local washing of women, there is a difference in the form of washing required between normal washing and the purpose of maintaining hygiene during the period of menstruation, and improvement is desired.
In addition, cleaning with the same cleaning jet gives a user a monotonous feeling and lacks comfort.

On the other hand, there is one in which two kinds of washing areas can be selected together with the flow rate, and this also makes it possible to change the perceived strength. However, since the number of selections is small, each person can obtain the desired perceived feeling of washing. It was difficult to get.

Therefore, an object of the present invention is to provide a human body washing method and a sanitary washing device in which the feeling of washing feeling according to taste can be obtained without changing the washing flow rate and the washing flow rate adjusting means is unnecessary. is there.

[0008]

A method for cleaning a human body according to claim 1 is a method for cleaning a human body by spraying cleaning water onto a human body, wherein the cleaning flow rate is constant and the cleaning area is variable. It is characterized in that the sensible strength can be continuously changed.

According to the human body washing method of the first aspect, since the washing feeling intensity can be continuously changed by changing the washing area, it is possible to obtain the washing feeling intensity according to a person's preference and continuously. It is possible to obtain a massage effect by changing it, and the effect of promoting defecation can be expected. In addition, since the flow rate of washing is constant, damage to the flow path can be prevented, and the washing load value per unit area changes as the area changes for the same flow rate, so the feeling of washing is reduced when the area is large, and the concentration is high. When it comes to a jet, a strong sensation can be obtained. As a result, the feeling of cleaning can be adjusted with a small flow rate.

The method for cleaning a human body according to claim 2 is the method according to claim 1.
In the above, the cleaning water is mixed with the cleaning water that travels straight and the cleaning water to which a rotational force that rotates around the direction of travel is applied, and is jetted.

According to the human body washing method of the second aspect, in addition to the same effect as the first aspect, the rotating force can easily spread the jetted washing water radially to increase the washing area. The cleaning area can be changed by adjusting the force.

A method for cleaning a human body according to claim 3 is the method according to claim 2.
In the above, the cleaning water to which the rotational force is applied is mixed with the peripheral surface of the cleaning water that is traveling straight by applying the rotational force in the circumferential direction to the cleaning water that is traveling straight and is jetted.

According to the human body washing method of the third aspect, in addition to the same effects as in the second aspect, the straight traveling of the washing water is not significantly hindered and the rotation of the rotating washing water is not greatly hindered. Since they can be mixed, the rotational force is effectively applied and the cleaning area can be varied.

A method for cleaning a human body according to claim 4 is the method according to claim 2.
Alternatively, in claim 3, the cleaning area is variable by changing the flow rate ratio of the cleaning water traveling straight and the cleaning water rotating.

According to the human body washing method of the fourth aspect, in addition to the same effect as the second or third aspect, the larger the flow rate of the washing water going straight, the more the washing water is concentrated on the human body part.
The larger the flow ratio of the rotating cleaning water is, the more the cleaning water is dispersed around the local area. Therefore, the cleaning area can be continuously changed only by changing the flow ratio.

According to a fifth aspect of the present invention, there is provided a method for washing a human body according to the first, second, third or fourth aspect, wherein the washing flow rate is 430 ml / min or less.

According to the method for washing a human body of claim 5, in addition to the same effect as that of claim 1, claim 2, claim 3 or claim 4, the pain due to jetting of wash water is felt by limiting the maximum flow rate. It is possible to use the instantaneous heating means while suppressing the cleaning flow rate to a low level and reducing the cleaning flow rate. In addition, the minimum flow rate is 200 m
It is preferably about 1 / min.

According to another aspect of the sanitary washing device of the present invention, there are provided a water supply means, a cleaning nozzle connected to the water supply means for ejecting cleaning water, a heating means for heating the cleaning water, and the cleaning water ejected from the cleaning nozzle. And a cleaning area adjusting means for continuously varying the area in contact with the human body.

According to the sanitary washing device of the sixth aspect, the washing water of, for example, about 40 ° C. can be locally supplied by the heating means, the warm water can make the experience more suitable, and the washing area adjusting means can make the washing strength stronger. The same effect as in claim 1 can be obtained by adjusting the cleaning area according to the cleaning area.

A sanitary washing device according to a seventh aspect is the sixth aspect.
In the first cleaning nozzle, the cleaning nozzle communicates with the single ejection hole.
And a second flow path, and the cleaning water flowing through either the first flow path or the second flow path is spouted from a single spout hole to rotate around the spouting direction. It is provided with a rotational flow generating means for applying a rotational force to

According to the sanitary washing device of the seventh aspect, in addition to the same effects as those of the second and sixth aspects, the washing area can be continuously changed by applying the rotational force.

The sanitary washing device according to the eighth aspect is the seventh aspect.
In the above, the cleaning area adjusting means is composed of a flow rate control means for controlling the flow rate ratio of the cleaning water supplied to the first flow path and the second flow path of the cleaning nozzle.

According to the sanitary washing device of the eighth aspect, in addition to the same effects as those of the fourth and seventh aspects, it is possible to easily control the flow rate ratio of the first flow passage and the second flow passage. Continuous area variable is possible.

The sanitary washing device according to a ninth aspect is the seventh aspect.
Alternatively, in claim 8, the rotational flow generating means includes a cylindrical first or second flow path provided coaxially with the ejection hole,
This flow path is composed of a supply port for supplying cleaning water from the outer peripheral tangential direction.

According to the sanitary washing device of claim 9, in addition to the same effects as in claim 3 and claim 7 or claim 8, the rotational force can be effectively imparted by the centrifugal force in the cylindrical passage. .

According to a tenth aspect of the sanitary washing device of the seventh aspect or the eighth aspect, the rotating flow generating means includes a first vortex chamber and a second vortex chamber which are provided coaxially with the ejection hole, and The first swirl chamber and the second swirl chamber are constituted by a first supply port and a second supply port for supplying the cleaning water from the outer peripheral tangential direction, respectively.

According to the sanitary washing device of claim 10,
A stronger rotational force than that of the ninth aspect is applied, and stable area change is possible.

According to the eleventh aspect of the sanitary washing device, in the sixth, seventh, eighth, ninth or tenth aspect, the washing nozzle is advanced by hydraulic pressure.

According to the sanitary washing device of claim 11,
In addition to the same effect as in claim 6, claim 7, claim 8, claim 9, or claim 10, the cleaning nozzle can be automatically moved when the cleaning water is ejected from the cleaning nozzle, and a motor or the like can be driven. Since no means is required, the structure can be simplified and the cost can be reduced.

According to a twelfth aspect of the sanitary washing device, in the sixth, seventh, eighth, ninth or tenth aspect, the washing nozzle has a driving means driven by a motor. .

According to the sanitary washing device of claim 12,
In addition to the same effects as those of claim 6, claim 7, claim 8, claim 9, or claim 10, the cleaning nozzle can be moved regardless of when the cleaning water is ejected, and not only the forward / backward movement is performed. Multi-functionalization such as back and forth movement cleaning and position adjustment can be achieved.

A sanitary washing device according to a thirteenth aspect is the sanitary washing device according to the eleventh aspect or the twelfth aspect, wherein either one of the first passage and the second passage of the washing nozzle supplies washing water at a washing position. It is configured to be.

According to the sanitary washing device of claim 13,
In addition to the same effect as the eleventh or twelfth aspect, since the area is changed after the nozzle reaches the cleaning position, the soft start of the cleaning strength can be performed.

A sanitary washing device according to a fourteenth aspect is the one according to the seventh aspect, the eighth aspect, the ninth aspect or the tenth aspect, wherein the nozzle cylinder is provided movably in the nozzle cylinder. And a movable nozzle having a first passage and a second passage communicating with the second passage and the nozzle cylinder, the nozzle cylinder has two step portions in the moving direction of the movable nozzle, and water is supplied between the step portions. The movable nozzle has a pair of seal portions that move to a predetermined position in the nozzle cylinder and come into close contact with each of the stepped portions, and the movable nozzle has a first passage or a first passage that can communicate with the water supply portion between the pair of seal portions. The end portions of the two passages are opened so that the movable nozzle can supply water to the first passage or the second passage at a predetermined position of the nozzle cylinder.

According to the sanitary washing device of claim 14,
In addition to the same effect as claim 7, claim 8, claim 9 or claim 10, the amount of cleaning water can be controlled independently,
A reliable flow ratio control can be realized.

A sanitary washing device according to a fifteenth aspect is the sanitary washing device according to the sixth aspect, the seventh aspect, the eighth aspect, the ninth aspect or the tenth aspect, in which the first passage and the second passage of the washing nozzle are washed. The water supply means for supplying water is a positive displacement pump capable of intermittent pressure discharge.

According to the sanitary washing device of claim 15,
In addition to the same effects as those of claim 6, claim 7, claim 8, claim 9 or claim 10, the jet speed of cleaning water is increased,
Equivalent cleaning feeling can be obtained with a small amount of water.

According to a sixteenth aspect of the sanitary washing device of the fifteenth aspect, the discharge pressure fluctuation frequency is set to 1 to 60 Hz.

According to the sanitary washing device of claim 16,
In addition to the same effect as the fifteenth aspect, it is within a range that can be recognized by a person, a pressure fluctuation is felt as a bodily sensation, a comfortable stimulating sensation can be provided, and a feeling of washing is improved.

A sanitary washing device according to a seventeenth aspect is the sanitary washing device according to the sixth, seventh, eighth, ninth or tenth aspect, wherein the heating means for heating the washing water is energized to the heater only when in use. It is a momentary expression.

According to the sanitary washing device of claim 17,
In addition to the same effects as those of claim 6, claim 7, claim 8, claim 9 or claim 10, a hot water storage tank is not required and the size can be reduced, energy can be saved, and hot water does not run out.

[0042]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of the present invention will be described with reference to FIGS. That is, FIG. 1 shows an overall view of the sanitary washing device. This sanitary washing device mainly has a water supply means 1 and a washing nozzle 2, and further has a heating means 3 and a washing area adjusting means 4. Explaining in detail along the flow of cleaning water, the water supply source valve 5, the relief valve 6, the flow rate sensor 7, the heating means 3, the water supply means 1, the cleaning area adjusting means 4,
The cleaning nozzles 2 are sequentially connected. The water supply source valve 5, the flow rate sensor 7, the heating means 3, the water supply means 1, and the cleaning area adjusting means 4 are controlled by the control circuit 8, which is operated by the operating means 9.

The water supply means 1 is, for example, a pump, and in the embodiment, a positive displacement pump capable of intermittent pressurizing discharge described later is used.

The cleaning nozzle 2 is connected to the water supply means 1 and ejects cleaning water. The cleaning nozzle 2 of the embodiment is a nozzle cylinder 10 and the nozzle cylinder 10.
A movable nozzle 11 having a rear end portion movably provided therein. The nozzle cylinder 10 is provided with a first water supply port 17 at its rear end and a second water supply port 18 at its side part, and the tip side of the movable nozzle 11 is projected from the tip part. The movable nozzle 11 has a first flow path 13 and a second flow path 14 which are continuous with the ejection port 12 at the tip, and the first flow path 13 and the second flow path 14 are provided on the rear end side of the movable nozzle 11. Has a first passage 15 and a second passage 16 communicating with the. First channel 1
3, second flow passage 14, first passage 15 and second passage 16
Is integrally formed with the movable nozzle 11. In the state of FIG. 1, the first water supply port 17 and the end portion 15a of the first passage 15 communicate with each other, the second water supply port 18 and the end portion 16a of the second passage 16 communicate with each other, and washing water is discharged from the jet port 12. It's gushing.

The heating means 3 heats the wash water on the upstream side of the water supply means 1. In the embodiment, the instantaneous type in which the heater is energized only during use is used. That is, the flow rate sensor 7
When water is detected by the heater, the heater is energized to heat the water instantaneously.

The cleaning area adjusting means 4 continuously changes the area where the cleaning water ejected from the cleaning nozzle 2 comes into contact with the human body. In the embodiment, the control circuit 8 controls the first passage 15 and the first passage 15 as described below. The flow rate control valve also serves as a switching valve that switches the second passage 16.

The relief valve 6 discharges water other than the water discharged from the cleaning nozzle 2 to the outside of the water supply channel, and the flow rate sensor 7 detects the water entering and the amount of cleaning water to control the heating means 3. Is.

Therefore, when the cleaning request signal is detected by operating the operating means 9, the water source valve 5 is opened by the control circuit 8 to energize the heating means 3 and the water supplying means 1 operates. Then, the wash water is introduced into the heating means 3 and heated, and is pressure-fed by the water supply means 1, and is passed through the flow rate control valve, which is the wash area adjusting means 4, as will be described later.
5 and the second passage 16 are selectively or arbitrarily supplied with water. The water supply nozzle 2 ejects cleaning water from the ejection port 12 via the first flow path 13 and the second flow path 14 to clean a predetermined part of a human body, for example.

FIG. 2 is a detailed view of the water supply nozzle. The nozzle cylinder 10 has a step portion 2 in the moving direction of the movable nozzle 11.
There are two stages 0 and 21, and the second water supply port 18 is provided between the stages 20 and 21. The movable nozzle 11 has a pair of seal parts 22 and 23 that move to a predetermined position in the nozzle cylinder 10 and come into close contact with the step parts 20 and 21, respectively.
Second passage 1 that can communicate with the second water supply port 18 between 2 and 23
The end 16a of 6 is open. Further, the first passage 15 has an opening formed at the rear end 15a of the movable nozzle 11 so as to communicate with the first water supply port 17 formed at the end of the nozzle cylinder 10 through the inside of the nozzle cylinder 10. In addition, the movable nozzle protruding side end portion in the nozzle cylinder 10 and the movable nozzle 1
The movable nozzle 11 is urged in a direction approaching the first water supply port 17 which is the retracted position by interposing the elastic member 24 using a coil spring fitted on the movable nozzle 11 between the rear end portions of the first nozzle. .

In the state of FIG. 2, the first water supply port 17 and the second water supply port 17
When water is supplied into the nozzle cylinder 10 from the water supply port 18, the water pressure is low while flowing out from the jet port 12 through the first passage 15, the second passage 16, the first flow passage 13 and the second flow passage 14. At this time, water flows out as shown by arrows through the clearances 25 and 26 formed between the outer peripheral surface of the movable nozzle 11 and the inner peripheral surface of the nozzle cylinder 10, and flows to the tip along the peripheral surface of the movable nozzle 11. As a result, the tip of the movable nozzle 11 is cleaned. When the water supply pressure sent from the water supply means 1 becomes high, the water pressure at the rear end of the movable nozzle 11 in the nozzle cylinder 10 becomes larger than the elasticity of the elastic member 24, and the water pressure causes the movable nozzle 11 to move to the elastic member 24.
1, the movable nozzle 11 is pushed out from the nozzle cylinder 10, the seal portion 22 is in close contact with the step portion 20, and the seal portion 23 is in close contact with the step portion 21, resulting in the state of FIG. As a result, the seal portion 22 prevents the first water supply port 17 from flowing toward the clearance 26 side, and the seal portion 23 prevents the second water supply port 18 from flowing toward the clearance 26 side. Therefore, the first passage 1
It will be jetted only from the jet outlet 12 through the No. 5 and the second passage 16. In this way, the movable nozzle 11 is configured to advance from the retracted position to the cleaning position by the water pressure. The second flow path 14 of the cleaning nozzle 2 is configured to be supplied with cleaning water by sealing the step portions 20 and 21 by the seal portions 22 and 23 at the cleaning position.

The first passage 15 and the first passage 13
Instead of the second passage 16 and the second flow passage 14, the second passage 16 and the second water passage 18 may be communicated with each other, and the cleaning water may be supplied at the cleaning position.

FIG. 3 is a vertical cross-sectional view of the jet outlet 12 in which the first flow passage 13 and the second flow passage 14 communicate with each other, and FIG. 4 is a cross-sectional view thereof. The cleaning nozzle 2 has a first flow path 13 and a second flow path 14 that communicate with a single ejection port 12, but the ejection direction in which the cleaning water flowing through the first flow channel 13 is ejected from the ejection port 12. It is provided with a rotational flow generating means 75 that applies a rotational force that rotates around the. The rotary flow generating means 75 is provided with a cylindrical second flow passage 14 provided coaxially with the ejection port 12, and a supply port 28 for supplying the cleaning water into the second flow passage 14 in the outer peripheral tangential direction. The first flow path 13 communicates with the supply port 28. As a result, cleaning water is supplied to the first flow path 13 at a flow rate Q1, for example, and cleaning water is supplied to the second flow path 14 at a flow rate Q2 for mixing in the second flow path 14, which will be described later. A fountain whose outer peripheral surface rotates around the axis is obtained. In this way, the cleaning water is mixed with the cleaning water that travels straight and the cleaning water that is rotated around the direction in which the cleaning water is applied is jetted, and the cleaning water that is further rotated is the cleaning water that travels straight. On the other hand, it will be mixed and ejected to the peripheral surface.

The tip portion of the movable nozzle 11 has an upper cap 31 provided with the ejection port 12, the first flow path 13, the second flow path 14, and a rotational flow generation because of the ease of the manufacturing process, especially the injection molding. Means 75, for the first channel 13 or the second
A part of the flow path 14 of the nozzle main body 32 that is open to the side opposite to the upper cap 31 and a part of the first flow path 13 or the second flow path 14 of the nozzle main body 32 that is hermetically sealed by the nozzle main body 32. It is composed of a lower cap 33 for sealing the opened portion. Instead of the first flow path 13, the cleaning water from the second flow path 14 may be supplied to the rotary flow generating means 75.

FIG. 5 is a sectional view of a flow path for explaining the principle of rotational flow generation, and FIG. 6 is a sectional view taken along the line AA. First,
The cleaning water is directly ejected from the ejection port 12 through the second flow path 14. The cleaning water that has entered the second flow path 14 from the supply port 28 through the first flow path 13 flows into the second flow path 14 in one circumferential direction along the inner peripheral surface, so that the second flow While ejecting from the ejection port 12 while rotating along the inner peripheral surface of the channel 14, the pressure in the second channel 14 is released.
As described above, the centrifugal force acts on the outside of 2 by the rotational force to spread the wash water radially.

In this case, when the flow rate Q1 is large and the flow rate Q2 is small, the rotation of the wash water is strong and the angle of radial expansion is large. On the contrary, when the flow rate Q1 is small and the flow rate Q2 is large, the angle of radial expansion is small and the vehicle goes straight. Become stronger. Therefore, if the overall flow rate is kept constant and the flow rate ratio is continuously changed, the angle of radial expansion changes, and the area of the jetted surface changes. In the case of the human body, this change in the washing area results in a change in the perceived strength.

Especially, when the flow rate ratio is continuously changed, for example, in an inversely proportional relationship, it is possible to continuously change from the strongest straightening wash water having the smallest washing area to the weakest rotating washing water having the largest washing area. When the washing water is applied to the human body, the perceived strength can be continuously changed.

It should be noted that the supply port 28 may be inclined in the tangential direction and the axial injection direction, in which case the ejection speed can be increased.

FIG. 7 shows the flow rate ratio of the washing water supplied to the first passage 15 (first passage 13) and the second passage 16 (second passage 14) of the washing nozzle 2 as the washing area adjusting means 4. 4 is a cross-sectional view of a control valve that is a flow rate control unit that controls the flow rate. Three
Reference numeral 5 is a cylindrical housing, 36 is a front end portion of the housing 35, and a connection port to the water supply side, that is, the heating means 3 is provided.
7 is a connection port for connecting to the first passage 15 formed on the peripheral surface of the housing 35, 38 is a connection port for connecting to the second passage 16 also formed on the peripheral surface of the housing 35, and 39 is the same. It is a connection port for connecting to a flow path of a bidet cleaning nozzle (not shown) formed on the peripheral surface of the housing 35. Reference numeral 40 denotes a columnar valve body that is rotatably fitted to the inner peripheral surface of the housing 35.
An elastic seal member 41 is provided between 38 and at the position of the base end of the valve element 40. Reference numeral 42 denotes a recess formed at the end of the valve body 40, which opens at the tip so as to communicate with the water supply side connection port 36. Reference numeral 43 designates the recess 42 and the bidet connection port
9, 44 is a hole that connects the first passage 15 and the second passage 16, and the holes 43 and 44 are provided shifted in the rotational direction and the axial direction. Reference numeral 45 denotes a drive unit using a motor or the like, which is attached to an end portion of the housing 35, and a connecting shaft 45a is connected to a base end portion of the valve body 40 to rotate the valve body 40. The base end portion of the valve body 40 is brought into contact with one end surface (not shown) of the housing 35 so that the valve body 40
There is also a protrusion 46 for setting the origin position of the. The drive unit 45 is controlled by the control circuit 9. FIG. 7 shows a state in which the bidet connection port 39 and the hole 43 are in communication with each other. When the valve body 40 is rotated by a predetermined amount by the operation of the drive unit 45 and the hole 43 and the connection port 39 are not in communication, the water supply to the bidet nozzle is stopped. It

FIG. 8 is a cross sectional view for controlling the first passage 15 and the second passage 16. That is, the hole 44 and the first
The passage 15 and the second passage 16 communicate with each other through a substantially partial spiral groove 49 formed on the outer peripheral surface of the valve body 40. This groove shape is formed so that the following operation is performed. That is, FIG. 8A shows the case where the valve shaft rotation angle of the valve body 40 with respect to the connection port 37 of the hole 44 is θ1, and the connection port 37 and the hole 44 communicate with each other through the groove 49 to connect the second passage 16. The mouth 38 and the hole 44 are in a non-communication state. Therefore, the wash water is supplied to the first passage 15. FIG. 8B shows the valve body 4.
0 is rotated and the angle becomes θ2, the connection port 37 of the first passage 15 is closed to about half, and the second passage 16 is closed.
The connection port 38 of is open. Therefore, the supply of the wash water to the first passage 15 is halved and the water is supplied to the second passage 16. FIG. 8C shows the case where the valve body 40 is further rotated to reach the angle θ3.
The connection port 37 of 3 is completely closed. Therefore, the second passage 1
Wash water is supplied to 6.

FIG. 9 shows the flow rate ratio Q with respect to the valve shaft rotation angle θ of the valve element 40. As is clear from FIG. 9, the first
Flow rate Q1 to the flow path 13 and flow rate Q2 to the second flow path 14
It can be seen that the flow rate ratio of is almost inversely proportional. As a result, it can be seen that when the flow rate ratio is continuously changed, the spread angle of the cleaning water radially ejected from the ejection port 12 is changed as described above, and thus the cleaning area is continuously changed.

FIG. 10 is a graph of the perceived strength of the sensation of cleaning with respect to the cleaning area at a constant cleaning flow rate. As is clear from this figure, the cleaning feeling intensity and the cleaning area are inversely proportional. Therefore, from the relationship with FIG. 9, by continuously changing the flow rate ratio, the cleaning sensation intensity continuously changes.

FIG. 11 shows a positive displacement pump capable of intermittent pressure discharge as the water supply means 1 for supplying the cleaning water to the cleaning nozzle 2. The water supply means 1 includes a gear 56 of the motor 55.
The gear 57 is configured to be meshed with and rotated, a link mechanism 60 connected to the gear 57 and provided in the cylinder 58 for converting a piston 59 into a reciprocating motion, and a pair of check valves 61. When the motor 55 rotates, the piston 59 reciprocates through the gear 57 and the link mechanism 60, and the check water is intermittently pressurized and discharged by the check valve 61.

FIG. 12 shows a graph of pump discharge pressure against time. Due to the action of the check valve 61, the piston 5
When 9 moves forward, it is pressurized and discharged (Pm), and when it moves backward, water is absorbed in the cylinder 58. By making the water supply means 1 capable of intermittently pressurizing and discharging, the cleaning water in the intermittently pressurized state is supplied to the cleaning nozzle 2, so that the jetting speed of the cleaning water can be further increased, and the same amount can be obtained with a smaller amount of water. A feeling of cleaning is obtained.

FIG. 13 shows details of the fountain from the jet nozzle 12 of the cleaning nozzle 2 when the water supply means 1 intermittently pressurizes and discharges as shown in FIG. 12, and FIG. Along with this, the change in the nozzle internal pressure with time is shown, and the fountain is intermittently ejected at the position where the water pressure is maximum.
The flow velocity v of the fountain increases due to intermittent pressurization and discharge of the cleaning water, and the water mass is deformed due to air resistance in the process of ejection, and the water mass ejected at the diameter dn of the ejection port 12 is to be cleaned. In the portion 70, the diameter dw is larger than that. As a result, it is possible to improve the feeling of cleaning because it is possible to realize a cleaning jet that gives a thick body feeling despite a small amount of cleaning water.

The discharge frequency range, that is, the discharge pressure fluctuation frequency is preferably set to a range suitable for the user's experience. The lower the discharge frequency is, the easier it is to perceive it, and the higher the discharge frequency, the closer to a continuous flow. According to the experience experiment, the ejection frequency is in the range of 1 to 60 Hz, preferably 20 to 50 Hz. Since it is possible to obtain the same cleaning feeling as in the case of continuous water supply with a smaller amount of cleaning water, it is convenient when the heating means 3 is of the instantaneous type as described above.

Although the piston pump has been described as the water supply means 1 in this embodiment, any pump capable of intermittently pressurizing and discharging may be used.

FIG. 15 is a time chart showing the motor pulse number, the pump rotation number, and the operation of the water supply source valve 5 by the control circuit. First, when the motor pulse number ST1 is given, the pulse motor, which is the drive unit 45 of the flow control hand, rotates to stop the valve element 40 at the nozzle cleaning position (nozzle cleaning configuration is not shown), and the main valve 5 When the pump 1 is opened and the water supply means operates, the forced nozzle cleaning of the cleaning nozzle 2 is performed from t1 to t2. Next, when the main valve 5 and the pump 1 are stopped for a predetermined time and the motor pulse number is given up to ST2, the valve body 40 is further rotated and stopped at the position shown in FIG. Water will pass. When the main valve 5 is opened in this state and the pump 1 is operated, washing water is supplied into the nozzle cylinder 10, and the movable nozzle 11 advances due to the water supply pressure against the spring force of the elastic member 24 and stops at the washing position. Then, it is ejected from the first passage 15 through the first flow path 13 as a dispersed jet to which a rotational force is applied from the ejection holes 12 (t4). When the dispersed jet is selected by the user, the cleaning is continued in this state. On the other hand, if the concentrated jet is selected, set the motor pulse number to ST
Give up to 3, stop at the position shown in Figure 8 (c) (t5),
The cleaning water is ejected from the ejection hole 12 through the second passage 16 and the second flow path 14. At this time, since the washing water is not supplied from the first flow path 13, it is jetted as a concentrated jet having a strong feeling of washing. The cleaning area can be continuously adjusted by adjusting the motor pulse number from ST2 to ST3 between t4 and t5. Further, by giving priority to the first flow path 13 when pushing out the movable nozzle 11, the cleaning start is started from the dispersed flow, and the soft start can be realized. When the cleaning stop switch (not shown) is turned on (t6), the main valve 5 and the pump 1 are stopped, and from the time t7 to t8, the forced nozzle cleaning is performed and the cleaning operation is completed as at the start of cleaning. To do.

Although the cleaning nozzle 2 is of a water pressure drive type, its drive means may be a motor drive type including a motor and a conversion means for converting the rotational movement of the motor into a linear movement. According to this method, not only the forward / backward movement of the cleaning nozzle but also a cleaning mode in which the cleaning nozzle is moved in small increments in the front-rear direction to perform cleaning in a wide range in the front-rear direction, and the like, can be made multifunctional.

Next, the cleaning method of the present invention will be described. That is, this human body washing method is a human body washing method in which washing water is jetted to the human body for washing, and the washing feeling is continuously variable by varying the washing area with a constant washing flow rate. Is. In this case, the cleaning water is jetted by mixing the cleaning water that travels straight and the cleaning water to which a rotational force that rotates around the direction of travel is applied. Further, the cleaning water to which the rotational force is applied is mixed with the peripheral surface of the cleaning water that is traveling straight by applying rotational force in the circumferential direction to the cleaning water that is traveling straight, and is ejected. Then, the cleaning area is made variable by changing the flow rate ratio of the cleaning water traveling straight and the cleaning water rotating. The cleaning flow rate is 430 ml / min or less, and the lower limit is 20
It is about 0 ml / min. This is an appropriate range for the perceived strength, and when it exceeds 430 ml / min, the pain is felt, and when it is less than 200 ml / min, the perceived feeling is not felt.

A second embodiment of the present invention is shown in FIGS. 16 and 17. That is, in the first embodiment, the rotating flow generating means 75 of the cleaning nozzle is provided with the first vortex chamber 27 and the second vortex chamber 27a which are provided coaxially with the ejection port 12.
And a first supply port 28a for supplying cleaning water to the first vortex chamber 27 and the second vortex chamber 27a from the outer peripheral tangential direction, respectively.
And the second supply port 28. In the embodiment, the second vortex chamber 27a is the first vortex chamber 27a.
Concentric circles are provided on the outer periphery of the first water supply port 28a, and the first water supply port 28a has a plurality of passages that communicate between the vortex chambers 27, 27a.

With this structure, the second vortex chamber 27a
It is possible to increase the rotation of the wash water in the first vortex chamber 27 by the rotational force generated in 1.

The first vortex chamber 27 and the second vortex chamber 27a
May be arranged in the axial direction.

FIG. 18 shows a third embodiment of the present invention. That is, in the first embodiment, the bidet washing nozzle 80 is added to the washing nozzle 2 and is connected to the bidet connection port 38 of the control valve of the washing area adjusting means 4. That is, a plurality of cleaning nozzles are provided, a nozzle switching valve for switching the supply of cleaning water to each cleaning nozzle is provided, and the flow ratio control means is built in the nozzle switching valve.
In the embodiment, the nozzle switching valve is also used by the cleaning area adjusting means 4.

[0074]

According to the method for washing a human body according to claim 1,
By varying the washing area, the feeling of washing can be changed continuously, so you can get the feeling of washing that suits your taste, and you can continuously change the feeling of massage to get a massage effect. You can expect an effect. In addition, since the flow rate of washing is constant, damage to the flow path can be prevented, and the washing load value per unit area changes as the area changes for the same flow rate, so the feeling of washing is reduced when the area is large, and the concentration is high. When it comes to a jet, a strong sensation can be obtained. As a result, the feeling of cleaning can be adjusted with a small flow rate.

According to the human body washing method of the second aspect, in addition to the same effect as that of the first aspect, the rotating force can easily spread the jetted washing water radially to increase the washing area. The cleaning area can be changed by adjusting the force.

According to the human body washing method of the third aspect, in addition to the same effect as that of the second aspect, the straight traveling of the washing water is not significantly hindered and the rotation of the rotating washing water is not greatly hindered. Since they can be mixed, the rotational force is effectively applied and the cleaning area can be varied.

According to the human body washing method of the fourth aspect, in addition to the same effect as that of the second or third aspect, the larger the flow rate of the washing water going straight, the more the washing water is concentrated on the human body local part.
The larger the flow ratio of the rotating cleaning water is, the more the cleaning water is dispersed around the local area. Therefore, the cleaning area can be continuously changed only by changing the flow ratio.

According to the method of cleaning a human body of claim 5, in addition to the same effect as in claim 1, claim 2, claim 3 or claim 4, the pain due to the jet of cleaning water is felt due to the limitation of the maximum flow rate. It is possible to use the instantaneous heating means while suppressing the cleaning flow rate to a low level and reducing the cleaning flow rate. In addition, the minimum flow rate is 200 m
It is preferably about 1 / min.

According to the sanitary washing device of the sixth aspect, it is possible to locally supply the wash water of, for example, about 40 ° C. by the heating means, the warm water can make the experience more suitable, and the washing area adjusting means can provide the washing strength. The same effect as in claim 1 can be obtained by adjusting the cleaning area according to the cleaning area.

According to the sanitary washing device of the seventh aspect, in addition to the same effects as those of the second and sixth aspects, the washing area can be continuously changed by applying the rotational force.

According to the sanitary washing device of the eighth aspect, in addition to the same effects as those of the fourth and seventh aspects, the flow rate ratio of the first flow passage and the second flow passage can be easily controlled. Continuous area variable is possible.

According to the sanitary washing device of claim 9, in addition to the same effects as in claim 3 and claim 7 or claim 8, the rotational force can be effectively imparted by the centrifugal force in the cylindrical flow path. .

According to the sanitary washing device of claim 10,
A stronger rotational force than that of the ninth aspect is applied, and stable area change is possible.

According to the sanitary washing device of claim 11,
In addition to the same effect as in claim 6, claim 7, claim 8, claim 9, or claim 10, the cleaning nozzle can be automatically moved when the cleaning water is ejected from the cleaning nozzle, and a motor or the like can be driven. Since no means is required, the structure can be simplified and the cost can be reduced.

According to the sanitary washing device of claim 12,
In addition to the same effects as those of claim 6, claim 7, claim 8, claim 9, or claim 10, the cleaning nozzle can be moved regardless of when the cleaning water is ejected, and not only the forward / backward movement is performed. Multi-functionalization such as back and forth movement cleaning and position adjustment can be achieved.

According to the sanitary washing device of claim 13,
In addition to the same effect as the eleventh or twelfth aspect, since the area is changed after the nozzle reaches the cleaning position, the soft start of the cleaning strength can be performed.

According to the sanitary washing device of claim 14,
In addition to the same effect as claim 7, claim 8, claim 9 or claim 10, the amount of cleaning water can be controlled independently,
A reliable flow ratio control can be realized.

According to the sanitary washing device of claim 15,
In addition to the same effects as those of claim 6, claim 7, claim 8, claim 9 or claim 10, the jet speed of cleaning water is increased,
Equivalent cleaning feeling can be obtained with a small amount of water.

According to the sanitary washing device of claim 16,
In addition to the same effect as the fifteenth aspect, it is within a range that can be recognized by a person, a pressure fluctuation is felt as a bodily sensation, a comfortable stimulating sensation can be provided, and a feeling of washing is improved.

According to the sanitary washing device of claim 17,
In addition to the same effects as those of claim 6, claim 7, claim 8, claim 9 or claim 10, a hot water storage tank is not required and the size can be reduced, energy can be saved, and hot water does not run out.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an entire first embodiment of the present invention.

FIG. 2 is a cross-sectional view of a state in which a movable nozzle of the cleaning nozzle is retracted.

FIG. 3 is a partial cross-sectional view of the tip of the cleaning nozzle.

FIG. 4 is a transverse sectional view thereof.

FIG. 5 is a cross-sectional view illustrating the operating principle of the rotational flow generating means.

FIG. 6 is a sectional view taken along the line AA.

FIG. 7 is a sectional view of a flow rate control means.

FIG. 8 is an explanatory diagram of the operation.

FIG. 9 is a relationship diagram of a flow rate ratio with respect to a valve shaft rotation angle.

FIG. 10 is a graph showing the relationship between the cleaning area and the feeling of cleaning sensation.

FIG. 11 is a configuration diagram of water supply means.

FIG. 12 is a relationship diagram of pump discharge pressure with respect to time.

FIG. 13 is a detailed explanatory diagram of a discharge state of cleaning water.

FIG. 14 is a relationship diagram of the internal pressure of the cleaning nozzle with respect to time.

FIG. 15 is a time chart of motor pulses, pump rotation, and a main valve.

FIG. 16 is a cross-sectional view of the tip of the cleaning nozzle according to the second embodiment.

FIG. 17 is a cross sectional view thereof.

FIG. 18 is a configuration diagram of a third embodiment.

[Explanation of symbols]

1 Water supply means 2 cleaning nozzle 3 heating means 4 Cleaning area adjustment means 5 Water source valve 10 nozzle cylinder 11 Movable nozzle 12 spout 13 First flow path 14 Second channel 15 First passage 16 Second passage 20, 21 steps 22, 23 Seal part 27 First Vortex Chamber 27a Second vortex chamber 28 First supply port 28a Second supply port 75 rotating flow generating means

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Norio Toge             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. (72) Inventor Shigeru Shirai             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. F-term (reference) 2D038 JA02 JA05 JB04 JB05 JF00                       JH00                 4C094 AA09 BB17 DD12 DD14 EE08                       GG07

Claims (17)

[Claims] 1. A human body cleaning method for spraying cleaning water onto a human body for cleaning, wherein the cleaning flow rate is constant and the cleaning area can be varied to continuously change the cleaning feeling intensity. How to wash your body. 2. The method for cleaning a human body according to claim 1, wherein the cleaning water is mixed with the cleaning water that travels straight and the cleaning water to which a rotational force that rotates in the direction of the straight travel is applied, and is jetted. 3. The human body according to claim 2, wherein the cleaning water to which the rotational force is applied is mixed with the peripheral surface of the cleaning water which is traveling straight by applying the rotational force to the cleaning water which is traveling straight, and is jetted out. Cleaning method. 4. The human body cleaning method according to claim 2, wherein the cleaning area is changed by changing a flow rate ratio of the cleaning water that travels straight and the cleaning water that rotates. 5. The method for cleaning a human body according to claim 1, claim 2, claim 3 or claim 4, wherein the cleaning flow rate is 430 ml / min or less. 6. A water supply means, a cleaning nozzle connected to the water supply means for ejecting cleaning water, a heating means for heating the cleaning water, and an area where the cleaning water ejected from the cleaning nozzle comes into contact with a human body. A sanitary washing device provided with a washing area adjusting means for continuously varying. 7. The cleaning nozzle has a first flow path and a second flow path communicating with a single ejection hole, and either one of the first flow path and the second flow path is provided. 7. The rotation flow generating means for applying a rotational force to the cleaning water flowing in the flow path, the rotational force rotating around the ejection direction ejected from the single ejection hole.
The sanitary washing device described. 8. The cleaning area adjusting means is the first cleaning nozzle.
The sanitary washing device according to claim 7, comprising flow rate control means for controlling a flow rate ratio of wash water to be supplied to the flow path and the second flow path. 9. The rotary flow generating means comprises a cylindrical first or second flow path provided coaxially with the ejection hole, and a supply port for supplying the cleaning water from the outer peripheral tangential direction to the cylindrical flow path. The sanitary washing device according to claim 7 or claim 8, which is configured by: 10. The rotating flow generating means cleans the first vortex chamber and the second vortex chamber coaxially with the ejection hole, and the first vortex chamber and the second vortex chamber from the outer peripheral tangential direction. The sanitary washing device according to claim 7 or claim 8, wherein the sanitary washing device comprises a first supply port and a second supply port for respectively supplying water. 11. The sanitary washing device according to claim 6, claim 7, claim 8, claim 9 or claim 10, wherein the cleaning nozzle is advanced by water pressure. 12. The cleaning nozzle has a driving means driven by a motor, claim 6, claim 7, claim 8, claim 9.
Alternatively, the sanitary washing device according to claim 10. 13. The sanitary washing device according to claim 11, wherein either one of the first passage and the second passage of the washing nozzle is configured to be supplied with washing water at a washing position. . 14. A nozzle cylinder, and a movable nozzle movably provided in the nozzle cylinder and having a first passage and a second passage communicating with the first flow passage and the second flow passage of the cleaning nozzle. The nozzle cylinder has two step portions in the moving direction of the movable nozzle, and a water supply portion between the step portions, and the movable nozzle moves to a predetermined position in the nozzle cylinder to move to the step. A pair of seal portions that are in close contact with each of the portions, and an end portion of the first passage or the second passage that can communicate with the water supply portion is opened between the pair of seal portions, and the movable nozzle of the nozzle cylinder The sanitary washing device according to claim 7, claim 8, claim 9, or claim 10, which enables water to be supplied to the first passage or the second passage at the predetermined position. 15. The method according to claim 6, wherein the water supply means for supplying the cleaning water to the first flow path and the second flow path of the cleaning nozzle is a positive displacement pump capable of intermittent pressure discharge. 8,
The sanitary washing device according to claim 9 or 10. 16. The sanitary washing device according to claim 15, wherein the discharge pressure fluctuation frequency is 1 to 60 Hz. 17. The sanitary washing device according to claim 6, claim 7, claim 8, claim 9 or claim 10, wherein the heating means for heating the washing water is of an instantaneous type in which the heater is energized only when in use. .