JP2003172461A - Sanitary cleaning device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sanitary cleaning device capable of realizing the optimum cleaning characteristic at a small knob operating angle. <P>SOLUTION: The starting flow rate characteristic is improved by providing a space part in a secondary flow rate opening area S3 when a sealing part is closed between flow passages of a valve stem tip part 9a of a valve stem 9 and a flow rate regulating valve receiving part 6a of a flow rate regulating valve body 6. A primary flow rate regulating unit 13 and a secondary flow rate regulating unit 14 are provided between the flow passages of the valve stem tip part 9a of the valve stem 9 and the flow rate regulating valve receiving part 6a of the flow rate regulating valve body 6, and the cleaning characteristic optimum for the sanitary cleaning device is obtained by determining the area ratio and the number of screw parts of the valve stem 9. <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 satellite washing device provided with a fluid control means capable of switching a flow path and adjusting a flow rate, which is suitable for a sanitary washing device for washing a human body part after use. .

[0002]

2. Description of the Related Art Conventionally, as a satellite cleaning device of this type,
For example, FIG. 8 is a cross-sectional view of the conventional satellite cleaning device shown in FIG. 7, and FIG. 8 shows a state in which the flow control section of the conventional satellite cleaning device is opened. FIG. 9 shows an operation knob angle of a conventional satellite cleaning device and a flow rate characteristic diagram of water ejected from a nozzle.

In FIG. 7 or FIG. 8, 12 is a valve shaft portion, 2 is a valve bearing portion, 3 is a seal member, and 12
The valve shaft screw portion 12a is moved in the rotation axis direction so that the valve shaft opening portion 12b has an opening area.

[0004]

However, in FIG. 9, in the above-mentioned conventional configuration, twelve valve shaft openings 12b are provided.
And the still water part are at the same position, and the area change rate is constant,
In order to make the opening area large, there is a problem that it is not convenient to use unless the rotation angle of the operation knob unit 1 is increased to reach the optimum local cleaning flow rate, and the user is tired because the knob operation angle is large. Was there.

The present invention solves the above-mentioned conventional problems, and an object of the present invention is to use a sanitary washing device having a small operation knob angle with an optimum flow rate for local washing after defecation.

[0006]

In order to solve the above-mentioned conventional problems, the satellite cleaning apparatus of the present invention is provided with a plurality of flow rate adjusting portions in the valve shaft portion and the valve bearing portion, and changes the first flow rate adjusting area. The flow rate is adjusted by making the rate larger than the second flow rate adjustment area change rate.

As a result, it is possible to obtain an optimum flow rate characteristic for local cleaning when defecationing with a small operating knob rotation angle. The washing water comes out immediately, but a slight change in the required flow rate can be adjusted with a small knob angle without rotating the knob many times.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 comprises a main body mounted on a toilet bowl, a toilet bowl, a cleaning nozzle, and a flow control valve for adjusting the flow rate of cleaning water from the cleaning nozzle. The flow control valve includes a flow control valve body, a valve bearing portion and a valve shaft, and a tip end portion of the valve shaft has a step and projects with a small diameter so as to have a gap from the opening of the valve bearing portion. And the area change rate of the primary flow rate opening area formed by the valve bearing portion and the step between the valve shaft tip portion and the step difference between the valve bearing portion and the lower end portion of the valve shaft tip portion. By making it larger than the area change rate of the secondary flow rate opening area configured by, the flow rate characteristic optimal for local cleaning can be obtained at the time of defecation with a small operation knob rotation angle.

The invention as defined in claim 2 is particularly characterized by claim 1.
By changing the primary and secondary flow opening areas of the valve shaft described in (1) according to the axial movement distance, it is possible to obtain the optimum flow characteristics for local cleaning during defecation with a small operating knob rotation angle.

The invention as defined in claim 3 is particularly defined by claim 1.
Since the valve shaft described in (1) has a structure in which the primary flow control part also functions as a water stop part and a secondary flow control part, it is ideal for local cleaning during defecation due to water stoppage with a single shaft and a small operating knob rotation angle. Flow characteristics can be obtained.

The invention as defined in claim 4 is particularly characterized by claim 1.
By subtly changing the secondary opening area by inclining the inner wall of the valve bearing portion in the direction of the center, a delicate flow rate characteristic can be obtained.

The invention as defined in claim 5 is particularly characterized by claim 1.
The side wall of the described valve shaft tip portion is inclined at the same angle as the inclination of the inner wall surface of the valve bearing portion to make the tip thin, thereby gradually changing the secondary opening area, thereby obtaining a delicate flow rate characteristic. .

The invention according to claim 6 is particularly characterized by claim 1.
Alternatively, the usability is improved by rotating the knob for changing the flow rate of the washing water by rotating the valve shaft described in 5 to one rotation or less.

The invention as defined in claim 7 is particularly defined by claim 1.
Alternatively, the flow control valve described in 6 has different flow control characteristics by providing a valve shaft, a valve bearing, and a cleaning nozzle with a plurality of bottoms and bidets, so that optimum cleaning characteristics can be obtained for each, and it is easy to use. Is improved.

According to the eighth aspect of the present invention, in particular, the flow control valve according to the first or seventh aspect allows the user to have different flow rate characteristics by changing the number of threaded portions of the valve shaft. Optimal cleaning characteristics can be obtained.

The invention as defined in claim 9 is particularly characterized by claim 1.
Alternatively, by arranging the flow control valve described in 8 on the side surface of the sleeve of the main body, the user's use operation becomes natural and the usability is improved.

[0017]

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

FIG. 1 is a perspective view of the sanitary washing device of the embodiment of the present invention set in a toilet bowl, and FIG. 2 is a cross-sectional view of a flow control valve of the sanitary washing device. FIG. 3 is a cross-sectional view of the flow regulating portion of the same-flow regulating valve in a fully closed state, and FIG. 4 is a cross-sectional view of the flow regulating portion of the same-flow regulating valve in the open state. FIG. 5 shows the flow rate characteristic of the flow rate adjusting section of the same flow control valve. FIG. 6 shows a flow rate characteristic of a flow rate adjusting section of the valve by varying the number of threads of the valve shaft of the same flow regulating valve.

1 to 6, the main body 1 described in the toilet 2 and the rim surface 2a of the toilet 2 are installed at the rear portion. Further, the operation knob 4 of the flow regulating valve 5 is arranged on the side surface sleeve portion 1 a of the main body 1. Further, the flow control valve body 6 of the flow control valve 5 that adjusts the flow rate of the cleaning water from the cleaning nozzle 3 includes an operation knob 4, a tightening member 7, a tightening member hidden lid 8, a valve shaft 9, a sealing member 10, and a water stop. It is arranged on the member 11. The flow control valve 5 is composed of a flow control valve body 6, a valve bearing portion 6a and a valve shaft 9, and the valve shaft tip portion 9a has a step so as to have a gap 6b from the opening of the valve bearing portion 6a. It is formed to project with a small diameter.

In the sanitary washing device configured as described above, when the rotation angle of the valve shaft 9 and the flow rate characteristic of the water flowing through the washing nozzle 3 are initially raised, the valve shaft tip 9a and the valve bearing 6a are opened. Since the gap 6b is provided, the primary flow passage area S1 rises to the primary flow opening area S2 and the initial secondary flow opening area S3 'up to the minimum flow area required for cleaning performance (transient period). From the initial secondary flow rate opening area S3 'in the maximum flow rate range to the stable period secondary flow rate opening area S3
Up to 3 ″, the flow rate characteristics are optimally stable for local cleaning during defecation with a small rotation angle of the valve operation knob 4 because the secondary flow rate opening area S4 is saturated and the saturation state is reached.

Further, in the embodiment, the flow opening area of the primary S1 and the secondary S2 is changed according to the moving distance of the valve shaft 9 in the axial direction. Optimal flow characteristics for cleaning can be obtained.

Further, in the embodiment, the valve shaft 9 has the structure in which the primary flow control portion 13 serves as the water stop portion and the secondary flow control portion 14, so that the water is uniaxial and the small operation knob 4 is provided. With the rotation angle of, it is possible to obtain the optimum flow rate characteristics for local cleaning during defecation.

Further, in the embodiment, the inner wall of the valve bearing portion 6a is inclined toward the center, so that the secondary opening area S2 is formed.
By subtly changing, a subtle flow characteristic can be obtained.

Further, in the embodiment, the side wall of the valve shaft tip portion 9a is inclined at the same angle as the inclination of the inner wall surface of the valve bearing portion 6a to make the tip thin, thereby gradually changing the secondary opening area S2. By doing so, a delicate flow rate characteristic can be obtained.

Further, in the embodiment, the usability is improved by rotating the operation knob 4 for changing the flow rate of the washing water by rotating the valve shaft 9 to one rotation or less.

Further, in the embodiment, since the valve shaft 9, the valve bearing portion 6a of the flow control valve 5 and the cleaning nozzle 3 are provided with a plurality of hips and bidets, different flow control characteristics are provided. Optimal cleaning characteristics are obtained and usability is improved.

In the embodiment, the flow control valve 5 has different flow rate characteristics by changing the number of threads 9b of the valve shaft 9, so that the user can obtain the optimum cleaning characteristic.

Further, in the embodiment, the operation knob 4 of the flow control valve 5 is arranged on the side surface of the sleeve of the main body, so that the user can use the operation naturally and the usability is improved.

Further, in the embodiment, the same flow rate characteristic can be obtained by changing the flow of water from the primary side to the secondary side by the structure of the flow control valve 5.

[0030]

As described above, according to the present invention, it is possible to obtain the optimum flow rate characteristic for local cleaning during defecation with a small rotation angle of the operating knob as a sanitary washing toilet seat.

[Brief description of drawings]

FIG. 1 is a perspective view of a sanitary washing device according to an embodiment of the present invention set in a toilet bowl.

FIG. 2 is a cross-sectional view of a flow control valve of the sanitary washing device.

FIG. 3 is a lateral main cross-sectional view of a partially closed state of a flow rate control unit of the same flow control valve

FIG. 4 is a lateral main cross-sectional view of the open state of the flow rate adjusting portion of the same flow regulating valve.

FIG. 5 is a flow rate characteristic diagram of a flow rate control unit of the same flow control valve.

FIG. 6 is a flow rate characteristic diagram of a flow rate adjusting section of the flow control valve due to a change in the number of threads of the valve shaft of the same flow control valve.

FIG. 7 is a cross-sectional view of a main part of a conventional sanitary washing toilet seat in which the flow control valve has a flow control valve in a fully closed state.

FIG. 8 is a lateral main cross-sectional view of a fully open state of a flow rate adjusting portion of a flow control valve of a conventional sanitary washing toilet seat.

FIG. 9 is a flow rate characteristic diagram of a flow rate control unit of a flow control valve of a conventional sanitary washing toilet seat.

[Explanation of symbols]

1 body 1a Body side sleeve 2 toilet bowl 3 cleaning nozzle 4 Operation knob 5 flow regulating valve 6 Flow valve body 6a Flow adjustment valve receiving part 6b gap 9 valve shaft 9a Valve shaft tip 9b Valve shaft thread S1 Primary side flow path area S2 Primary side flow rate opening area S3 Secondary side flow rate opening area S3a Valve shaft tip area S3b Flow control valve receiving area S4 Secondary side flow path area 13 1st flow adjustment section 14 Second Flow Control Section

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Shinjiro Miyahara             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. (72) Inventor Keisuke Tachikawa             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. F term (reference) 2D038 JB00 JB05 JF00 JH12                 3H052 AA01 BA03 BA25 BA35 CA02                       CD01 DA01 EA02

Claims (9)

[Claims] 1. A main body mounted on a toilet bowl, a cleaning nozzle, and a flow control valve for adjusting the flow rate of cleaning water from the cleaning nozzle, wherein the flow control valve includes a flow control valve main body. A valve bearing portion and a valve shaft, and the valve shaft tip portion is formed with a step so as to protrude from the opening of the valve bearing portion with a diameter having a gap, and the valve bearing portion and the valve shaft are provided. The area change rate of the primary flow opening area formed by the step of the tip portion is the area change of the secondary flow opening area formed by the inner wall of the valve bearing portion and the lower end portion of the valve shaft tip portion. A sanitary washing device with a higher rate. 2. The flow control valve changes the primary and secondary flow opening areas according to the axial movement distance of the valve shaft.
The sanitary washing device described. 3. The sanitary washing device according to claim 1, wherein the flow control valve has a structure in which the primary flow control part of the valve shaft is provided with a water stop part. 4. The sanitary washing device according to claim 1, wherein the inner wall of the valve bearing portion is inclined toward the center to gradually change the secondary opening area. 5. The sanitary washing device according to claim 1, wherein the side wall of the valve shaft tip portion is inclined at the same angle as the inclination of the inner wall surface of the valve bearing portion to make the tip thin. 6. The sanitary washing device according to any one of claims 1 to 5, wherein the flow control valve has a knob for changing the flow rate of the washing water by rotating a valve shaft, the rotation of which is one rotation or less. 7. The hygiene according to claim 1, wherein the flow control valve has different flow control characteristics by providing a plurality of valve shafts, valve bearings and washing nozzles on the bottom and bidet. Cleaning device. 8. The sanitary washing device according to claim 1, wherein the flow control valve has different flow rate characteristics by changing the number of threaded portions of the valve shaft. 9. The sanitary washing device according to claim 1, wherein the flow control valve is arranged on a side surface of the sleeve of the main body.