KR20060002070A - A flow valve structure and flow changing method for a bidet - Google Patents

Abstract

The present invention relates to a bidet device, and more particularly, to a flow path switching device and a flow path switching method for selectively supplying and shutting off the washing water to a nozzle unit for cleaning the anus and the local part.

The flow path switching device for the wash water for bidet according to the present invention includes at least one inlet formed on one side of the outer circumferential surface, the inlet through which the washing water flows into the inlet, and the air inlet formed at the front end. Flow path switching valves; A valve housing accommodating the flow path switching valve and including an inlet pipe formed at a position corresponding to the inlet port and at least one nozzle connecting tube formed at a position corresponding to the outlet port; A motor mounted to a rear end of the flow path switching valve to rotate the flow path switching valve; And an air pump to allow air to enter the air inlet.

By reducing the number of parts of the flow path switching device by the flow path switching device and the flow path switching method of the bidet washing water according to the present invention having the above configuration, there is an effect that the manufacturing cost is significantly reduced.

Flow path switching valve, valve housing, motor, bidet nozzle, cleaning nozzle

Description

A flow valve structure and flow changing method for a bidet}

1 is a perspective view showing a bidet equipped with a flow path switching device according to the spirit of the present invention.

Figure 2 is an exploded perspective view of the flow path switching device according to the spirit of the present invention.

3 is a vertical sectional view of the valve body according to the invention cut along the line II ′ of FIG. 2;

Figure 4 is a side cross-sectional view of the flow path switching device according to the present invention showing a bidet cleaning step is performed.

FIG. 5 is a vertical sectional view of the flow path switching device along Π-Π 'of FIG.

Figure 6 is a flow chart showing the step of performing an anal cleansing process by the flow path switching device according to the spirit of the present invention.

7 is a flow chart showing a step of performing a bidet cleaning process by the flow channel switching apparatus according to the spirit of the present invention.

<Description of the symbols for the main parts of the drawings>

100: bidet 110: sheet 120: cover

130: total length 140: control panel 150: air pump

160 nozzle part 200 flow path switching device 210 valve housing

220: flow path switching valve 230: step motor 300: drive motor

The present invention relates to a bidet device, and more particularly, to a flow path switching device and a flow path switching method for selectively supplying and shutting off the washing water to a nozzle unit for cleaning the anus and the local part.

In general, a washing machine, commonly referred to as a bidet, is integrally installed on the seat of the toilet seat, and is used for washing the user's anus or female part with washing water sprayed from the washing nozzle without using a tissue after the user finishes the toilet. Device. The nozzle comprises a washing nozzle for washing the anus of the user, a bidet nozzle for washing the female part, and a washing nozzle for forcibly washing the washing nozzle and the bidet nozzle.

In addition, a flow path switching valve for switching a flow path so that the washing water selectively flows into the cleaning nozzle, the bidet nozzle and the cleaning nozzle is mounted inside the bidet. Therefore, the washing water is distributed and flows to the nozzle according to the operation of the flow path switching valve.

The conventional general flow path switching valve may be integrally mounted on the rear of the nozzle unit or may be mounted inside the bidet body separately from the nozzle unit.

In detail, a conventional flow path switching valve includes a body having an inflow pipe into which the washing water flows in and a washing water receiving space, a disk-shaped channel adjusting plate mounted on the front of the body, and having a washing water through groove formed therein, and the passage And a rotating member mounted to the front of the control plate to form a washing water discharge flow path, and inserted into the housing, and having an end coupled to a central portion of the flow control plate to rotate the flow control plate.

When the rotating member is rotated by the configuration as described above, the flow path adjusting plate rotates together, and the washing water through groove formed on one side of the flow path adjusting plate is matched with the washing water discharge hole of the housing. Then, the washing water is introduced through the washing water through groove and the washing water discharge hole to be finally moved to the washing nozzle or the bidet nozzle.

Details of the conventional flow path switching device having the above configuration are described in Korean Utility Model Publication No. '20 -0316309 '.

Here, in the conventional flow path switching device having the above configuration, the flow path control plate, the housing in which the washing water through groove is formed, and the rotating member for rotating the flow path control plate are essential components. In addition, in order to closely contact the flow path adjusting plate and the housing, a spring must be mounted on the rear surface of the flow path adjusting plate.

As described above, the conventional flow path switching device has a disadvantage in that a large number of parts required to configure one flow path switching device are required.

Therefore, the manufacturing cost for manufacturing the flow path switching device increases, and there is a problem that the assembly process becomes complicated because of the large number of parts.

In addition, since there is no means for increasing the pressure of the washing water flowing in the flow path switching device there is a disadvantage that the function of the nozzle portion is not effectively exhibited in the region of low water pressure.

In addition, there is a disadvantage in that it takes a long time after the anal cleansing step or the bidet cleansing step is finished and converted to a forced cleansing step.

The present invention has been proposed in order to solve the above problems, and reduces the manufacturing cost by reducing the number of parts included in the configuration of the flow path switching device, the flow path switching of the wash water for bidet for the manufacturing process is simplified by simplifying the assembly process An object of the present invention is to provide an apparatus and a channel switching method.

It is also an object of the present invention to provide a bidet washing water flow path switching device and a flow path switching method capable of increasing a water pressure of the washing water passing through the flow path switching device and forming a soft water stream by adding an air mixing function.

In addition, an object of the present invention is to provide a flow path switching device and a flow path switching method for the bidet washing water which minimizes the time taken to switch from the bidet washing to the forced washing or the anal washing to the forced washing step.

In order to achieve the object as described above, the bidet for cleaning water flow path switching device according to the present invention is formed on one side of the outer circumferential surface, at least one inlet through which the washing water flows in, the outlet through which the washing water flowing into the water inlet, and the front surface, A flow path switching valve including an air inlet formed at an end; A valve housing accommodating the flow path switching valve and including an inlet pipe formed at a position coinciding with the inlet port and at least one nozzle connecting tube formed at a position coinciding with the outlet port; A motor mounted to a rear end of the flow path switching valve to rotate the flow path switching valve; And an air pump to allow air to enter the air inlet.

In addition, the method for switching the flow path of the wash water for bidet according to the present invention comprises a first step of the outlet is located in the initial position; A second step in which the outlet port rotates at a predetermined angle to coincide with the cleaning nozzle connector to clean the cleaning nozzle; A third step in which the outlet port rotates in a reverse direction to coincide with the cleaning nozzle connector to perform anal cleaning; A fourth step in which the outlet is rotated again at a predetermined angle to coincide with the washing nozzle connector to wash the washing nozzle; And a fifth step of returning the outlet to the initial position.

In addition, in another aspect, the method for switching the flow path of the wash water for bidet according to the present invention includes a first step in which the outlet port is located at an initial position; A second step in which the outlet port is rotated at a predetermined angle to coincide with the washing nozzle connector to wash the bidet nozzle; A third step in which the outlet port is further rotated at a predetermined angle to coincide with the bidet nozzle connector to perform local cleaning; A fourth step in which the outlet is rotated in a reverse direction to coincide with the washing nozzle connector to wash the bidet nozzle; And a fifth step of returning the outlet to the initial position.

With the above configuration, the number of parts of the flow path switching device is reduced, the manufacturing cost is reduced, and the assembly process is simplified.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the spirit of the present invention is not limited to the embodiments presented, and other embodiments included within the scope of other inventive inventions or the scope of the present invention can be easily made by adding, changing, or deleting other elements. I can suggest.

1 is a perspective view showing a bidet equipped with a flow path switching device according to the spirit of the present invention.

Referring to FIG. 1, a bidet 100 having a flow path switching device according to the present invention includes a seat 110 on which a user sits, a cover 120 for opening and closing an opening formed at a center of the seat 110, and The seat 110 and the cover 120 are mounted, and the electronic device 130 includes various components mounted therein. In detail, the electric part 130 includes a nozzle unit 160 through which the washing water is sprayed, and a driving motor 300 allowing the nozzles of the nozzle unit 160 to reciprocate back and forth. In detail, the drive motor 300 is preferably a motor capable of forward and reverse rotation.

In addition, the flow path switching device 200 for distributing the wash water to the bidet nozzle or the cleaning nozzle of the nozzle unit 160 and connected to the flow path switching device 200 to inject air into the flow path switching device 160 An air pump 150 is included.

On the other hand, the control panel 140, which is mounted on one side of the electronic device 130, the operation button for controlling the operation of the bidet 100 is further included.

Hereinafter, the function of the bidet 100 will be described.

First, the user allows the cover 120 to be lifted upward. The seat 110 is seated on the seat 110 to view the toilet, and then the anal cleansing button mounted on the control panel 140 is pressed. Then, the water is drawn out from the nozzle unit 160 to the front of the cleaning nozzle, and the washing water is injected through the injection hole formed at the end of the cleaning nozzle. When the cleaning is completed, the cleaning nozzle is returned to the original position.

On the other hand, when the user presses the local cleaning button, the bidet nozzle (to be described later) is withdrawn from the nozzle unit 160, the washing water is injected through the injection hole formed at the end of the bidet nozzle. Then, when the local cleaning operation is completed, the bidet nozzle is returned to the original position.

Here, the flow path switching device 200 may control the selective supply of the washing water to the washing nozzle or the bidet nozzle of the nozzle unit 160.

A more detailed description of the flow path switching device 200 will be described later with reference to the accompanying drawings.

2 is an exploded perspective view of a flow path switching device according to the spirit of the present invention.

2, the flow path switching device 200 according to the present invention includes a flow path switching valve 220, a valve housing 210 in which the flow path switching valve 220 is accommodated, and the flow path switching valve 220. It is coupled to the rear end includes a step motor 230 for rotating the flow path switching valve 220.

In detail, the flow path switching valve 220 includes a cylindrical rotating body 221 having a predetermined diameter and height, and a rotating key 222 protruding from one side of the rotating body 221.

In addition, the valve body 228 is formed to have a predetermined length and diameter from the upper surface of the rotating body 221, and has a predetermined diameter on one side of the outer peripheral surface of the valve body 228, the hollow portion is formed therein The first inlet 223 is formed, and the second inlet 224 and the first inlet 223 to form a predetermined angle around the rotation axis, and formed on the same circumference as the first inlet 223 and the A third inlet 225 (refer to FIG. 3) is formed to be spaced apart from the first inlet 223 by a predetermined angle in a direction opposite to the second inlet 224.

In addition, the outlet port 226 is formed on the outer peripheral surface of the position spaced apart from the end of the valve body 228, the flow path formed in the end of the valve body 228 is formed in the valve body 228 And a through air inlet 227 is further included.

On the other hand, a strip-shaped sealing member seating groove 225 is formed in the lower and / or upper side of the inlet 223, 224 and the outlet 226 at a predetermined interval and depth. Therefore, the sealing member is inserted into the sealing member seating groove 229, so that a part of the washing water flowing into the water inlets 223 and 224 does not leak to the outer peripheral surface of the valve body 228. In addition, the washing water discharged from the water outlet 226 is prevented from leaking to the outer circumferential surface of the valve body 228.

Meanwhile, the valve housing 210 in which the flow path switching valve 220 is accommodated includes a rotation key accommodating part that forms a space in which the rotation body 221 and the rotation key 222 of the flow path switching valve 220 rotate. 211 and a housing body 211 extending from the lower side of the rotary key receiving portion 211 to a predetermined length.

In addition, the inlet pipe 212 extending from the outer circumferential surface of the housing main body 211 to a predetermined length vertically, the cleaning nozzle connecting pipe 213 formed at a predetermined distance away from the inlet pipe 212. ), And a washing nozzle connection formed at a predetermined angle spaced in the circumferential direction opposite to the bidet nozzle connecting pipe 214 and a bidet nozzle connecting tube formed at a predetermined circumferential distance from the cleaning nozzle connection 213. A tube 215 is included.

In addition, an air inlet 216 is formed at the end of the housing main body 211 and has a diameter smaller than the diameter of the housing main body 211 and extends to a predetermined length.

On the other hand, the flow path switching valve 220 is inserted into the valve housing 210, the inlet 223, 224 and the inlet pipe 212 formed in the flow path switching valve 220 is formed on the same circumference And communicate with each other.

In addition, the cleaning nozzle connecting pipe 213, the bidet nozzle connecting pipe 214 and the cleaning nozzle connecting pipe 215 are formed on the same circumference as the outlet 226 formed on the flow path switching valve 220. And communicate with each other.

In addition, the air inlet 216 communicates with the air inlet 227 formed at the end of the flow path switching valve 220.

In addition, the step motor 230 is mounted to the rear surface of the rotary key receiving portion 211 of the valve housing 210 by a fastening member. In detail, the front part of the step motor 230 is formed at a predetermined distance away from the center point, and includes a rotation key insertion unit which rotates together as the step motor 230 rotates. In addition, the rotation key insertion unit 233 is inserted into the rotation key 222 protruding from the outer circumferential surface of the rotation body 221 of the flow path switching valve 220 is inserted and rotated.

In more detail, when the rotary key 222 is rotated according to the rotation of the step motor 230, the first inlet 223 or the second inlet 224 or the third inlet 225 is the inlet pipe ( And optionally in communication with 212). As the rotary key 222 rotates, the cleaning key 222 selectively communicates with any one of the cleaning nozzle connector 213, the bidet nozzle connector 214, and the cleaning nozzle connector 215.

3 is a vertical cross-sectional view of the valve body according to the present invention cut along the line II ′ of FIG. 2.

3, at least one inlet is formed on the same circumference of the valve body 228 according to the present invention. The outer circumferential surface on which the water inlet is formed is slightly recessed in a predetermined circumference.

In detail, an inlet formed on the outer circumferential surface of the valve body 228 is formed at a position such that the outlet port 226 is located in the cleaning nozzle connecting pipe 213 and the inlet port coincides with the inlet pipe 212 in the anal cleaning step. The first inlet 223 is included. In the bidet cleaning step, the outlet 226 is positioned in the bidet nozzle connecting pipe 213 and includes a second inlet 224 formed at a position such that the inlet is aligned with the inlet pipe 212. In addition, in the forced washing step, the outlet 226 is positioned in the washing nozzle connecting pipe 215, and includes a third inlet 225 formed at a position such that the inlet is aligned with the inlet pipe 212.

In more detail, as shown in FIG. 3, the angle φ1 from the center of the first inlet 223 to the center of the second inlet 224 is from the center of the cleaning nozzle connecting pipe 213. The angle to reach the center of the washing nozzle connecting pipe 215 is the same. The angle φ 2 from the center of the first inlet 223 to the center of the third inlet 225 is from the center of the cleaning nozzle connector 213 to the center of the bidet nozzle connector 214. It is equal to the angle to reach.

For example, in the anal cleansing step, the inlet pipe 212 communicates with the first inlet 223, and the outlet port 226 coincides with the cleaning nozzle connecting pipe 213. Thus, the washing water flowing through the inlet pipe 212 flows along the passage inside the valve body 228 through the first inlet 213, and the outlet 226 and the bidet nozzle connecting pipe 214. Sprayed to the bidet nozzle through. In the forced washing step, the step motor 230 is rotated so that the inlet pipe 212 coincides with the third inlet 225. In the bidet cleaning step, the second inlet 224 is coincided with the inlet pipe 212.

Figure 4 is a side cross-sectional view of the flow path switching device according to the present invention showing a state in which the bidet cleaning step is performed.

Referring to FIG. 4, the following process is performed to supply the washing water to the bidet nozzle by the flow path switching device 200 according to the present invention.

First, the step motor 230 is rotated so that the second inlet 224 formed on the outer circumferential surface of the flow path switching valve 220 communicates with the inlet pipe 212 protruding from the surface of the valve housing 210. do. On the other hand, when the second inlet 224 is matched with the inlet pipe 212, the outlet 226 is automatically matched with the bidet nozzle connecting pipe 214.

In this state, the washing water sent from the washing water reservoir is introduced into the flow path switching valve 220 through the inlet pipe 212, and the washing water is discharged to the outlet 226 and the bidet nozzle connecting pipe 224. It is discharged. Here, the air pumped by the air pump 150 is introduced into the flow path switching valve 220 through the air inlet 216. In detail, the air flowing into the air inlet 216 and the washing water flowing from the inlet pipe 212 collide with each other, so that the pressure of the washing water discharged to the outlet 226 increases. Therefore, even if the flow path switching device is used in a region where the water pressure is low, it is possible to maintain a constant water pressure without a change in the pressure of the sprayed washing water.

FIG. 5 is a vertical sectional view of the flow path switching device along Π-Π 'of FIG. 2.

Referring to FIG. 5, in the flow path switching device 200 according to the present invention, the valve housing 210 includes the cleaning nozzle connector 213, the bidet nozzle connector 214, and the cleaning nozzle connector as described above. 215 is formed.

In detail, the outlet 226 formed on the outer circumferential surface of the flow path switching valve 220 is matched with one of the respective connecting pipe when each step is performed. However, the wash water should not be sprayed through the outlet 226 for a time until the bidet device is not operated or until one process is finished and the next process is performed.

In other words, the washing water must not be ejected during the time interval in which the cleaning nozzle is returned to its original position in order for the anal cleaning step to be completed and the forced cleaning step of the cleaning nozzle is performed. Therefore, when the washing water is not injected as described above, the outlet port 226 is positioned in the clogging section between the respective connecting pipes.

For example, in the state where the bidet device 100 is not operated, the outlet 226 sets the blocked section between the cleaning nozzle connecting pipe 213 and the cleaning nozzle connecting pipe 215 as the initial position 217. Then, the outlet 226 is blocked between the bidet nozzle connector 214 and the cleaning nozzle connector 215 during the moment until the bidet cleaning step is finished and the forced cleaning step of the bidet nozzle is started. It is located in the section 218.

 Hereinafter, for example, where the outlet is located when each process is performed to be described in detail.

6 is a flowchart showing a step of performing an anal cleansing process by the flow path switching device according to the spirit of the present invention.

Here, the anal cleansing process will be described with reference to a cross-sectional view of the valve housing shown in FIG. 5.

Referring to FIG. 6, in the anal cleaning process by the flow channel switching device 200 according to the present invention, the outlet 226 is located at the initial position 217, and the washing nozzle is forcedly washed (ST120). ) And the water outlet 226 is returned to the initial position 217 again (ST130).

In addition, the step of performing anal cleansing (ST140), after the anal cleansing is completed, the step of placing the outlet 226 in the initial position (ST150), the step of washing the cleaning nozzle (ST160) and The outlet 226 is returned to the initial position (ST170) is included.

In detail, the outlet 226 is located at an initial position 217 between the cleaning nozzle connector 213 and the cleaning nozzle connector 215 before the anal cleansing process starts (ST110). Then, when the user presses the anal cleansing button, the step motor 230 rotates by a clock-wise (CW) angle so that the outlet port 226 coincides with the washing nozzle connecting pipe 215. (ST120). When the cleaning process ST120 of the cleaning nozzle is completed, the step motor 230 is rotated by a counterclockwise (CCW: counter-clock-wise) by a predetermined angle, and the outlet 226 again returns to the initial position ( 170) (ST130). In addition, the step motor 230 further rotates the counterclockwise by a predetermined angle so that the outlet port 226 coincides with the cleaning nozzle connecting pipe 213 (ST140).

In addition, when the anal cleansing process ST140 is finished, the step motor 230 is rotated clockwise again. In detail, the water outlet 226 is brought to the initial position 217 by the rotation of the step motor 230 (ST150), and the cleaning nozzle is returned to the original position. When the cleaning nozzle returns to its original position, the outlet 226 is further rotated clockwise to coincide with the cleaning nozzle connecting pipe 215 (ST160). Then, the nozzle cap is washed by the washing water sprayed from the washing nozzle connecting pipe 215. When the washing process ST160 is completed, the step motor 230 rotates again in a counterclockwise direction at a predetermined angle so that the water outlet 226 returns to the initial position 217 (ST 170).

7 is a flowchart illustrating a process of performing a bidet cleaning process by the flow path switching device according to the spirit of the present invention.

Here, the bidet cleaning process will be described with reference to a cross-sectional view of the valve housing shown in FIG. 5.

Referring to FIG. 7, the bidet cleaning process by the flow channel switching apparatus 200 according to the present invention includes steps ST210 at which the outlet port is located at the initial position 217, step ST220 at which the bidet nozzle is forcibly washed, The forced washing step (ST220) is completed, the step (230) where the water outlet 226 is located in the blockage section 218, and the water outlet is matched with the bidet nozzle connecting pipe 214 to perform the bidet cleaning (ST240) Is performed.

In addition, when the bidet cleaning step (ST240) is finished, the step (ST250) is located in the clogging section 218 again, the forced washing is performed (ST260) and the outlet 226 is the initial position The step ST270 located at 217 is performed.

In more detail, the water outlet 226 is in the initial position 217 before the user presses the bidet cleaning button (ST210). Then, when the user presses the bidet cleaning button, the step motor 230 is rotated in the clockwise direction so that the outlet port 226 coincides with the washing nozzle connecting pipe 215 (ST220). Thus, the nozzle cap of the bidet nozzle is forcedly washed prior to the bidet cleaning.

On the other hand, when the forced washing step (ST220) is finished, the bidet nozzle is withdrawn to the front, the step motor 230 is rotated by a predetermined angle clockwise. In addition, the outlet 226 is positioned in the blockage section 218 between the washing nozzle connecting pipe 215 and the bidet nozzle connecting pipe 214 (ST230). When the bidet nozzle is completely drawn out, the outlet port 226 also matches the bidet nozzle connecting pipe 214 by the rotation of the step motor 230 (ST240). Then, the user's local parts are cleaned by the washing water sprayed through the bidet nozzle connecting pipe 214.

In addition, when the bidet cleaning process (ST240) is finished, the step motor 230 is rotated by a predetermined angle in the counterclockwise direction, so that the outlet port 226 is located in the clogging section 218 again (ST250) . The bidet nozzle then returns to its original position. And, when the bidet nozzle is returned to the original position, the water outlet 226 is matched to the washing nozzle connecting pipe 215 by the clockwise rotation of the step motor 230. The bidet nozzle cap is forcedly washed (ST260).

Finally, when the washing of the bidet nozzle cap is finished, the step motor 230 is rotated a predetermined angle in the counterclockwise direction, so that the outlet port 226 is located in the initial position (217) (ST270), the bidet cleaning process This ends.

By the flow channel switching device having the above configuration, the time from the washing process to the forced washing process, or the time from the bidet process to the forced washing process is much shorter than the conventional bidet apparatus. This is because clogging sections 217 and 218 are formed between the nozzles and the nozzles, thereby preventing the washing water from being sprayed when each step is completed and entering the next step, and also shortening the time for entering the next step. Will be.

By reducing the number of parts of the flow path switching device by the flow path switching device and the flow path switching method of the bidet washing water according to the present invention having the above configuration, there is an effect that the manufacturing cost is significantly reduced.

In addition, since the number of parts of the flow path switching device is reduced, there is an effect that the assembling process becomes very simple.

In addition, it is possible to form a plurality of flow paths, such as cleaning, bidet, forced washing, and the like, by allowing air to flow into the flow path switching device, there is an effect that a soft water flow is formed.

In addition, when forming each flow path, it is possible to realize the rapid control by minimizing the time it takes to switch from the cleaning step to the cleaning step, or from the bidet step to the cleaning step by using the clogging section.

Claims (17)

A flow path switching valve formed at one side of an outer circumference thereof and including at least one inlet for washing water flowing in, a outlet for washing water flowing into the inlet, and an air inlet formed at the front end; A valve housing accommodating the flow path switching valve and including an inlet pipe formed at a position corresponding to the inlet port and at least one nozzle connecting tube formed at a position corresponding to the outlet port; A motor mounted to a rear end of the flow path switching valve to rotate the flow path switching valve; And And an air pump for allowing air to enter the air inlet. 2. 2. The flow path switching device for bidet washing water according to claim 1, wherein the motor is a step motor capable of forward and reverse rotation. The method of claim 1, The air pump is a flow path switching device for bidet washing water, characterized in that when the nozzle connecting pipe and the outlet port is matched, the air of a predetermined pressure is introduced into the air inlet. The method of claim 1, The inlet is a first inlet coincides with the inlet tube during anal cleansing; A second inlet coinciding with the inlet pipe during the bidet cleaning; A device for converting the flow path of the wash water for bidet including a third inlet coinciding with the inlet pipe during forced washing. The method of claim 1, The nozzle connector is a cleaning nozzle connector connected to the cleaning nozzle for anal cleansing; A bidet nozzle connector connected to the bidet nozzle for local cleaning, A device for converting a flow path for wash water for a bidet including a washing nozzle connector connected to the washing nozzle for forced washing. The method of claim 1, A rear body formed at a rear end of the flow path switching valve and having a predetermined diameter and length; A device for converting a flow path for washing water for a bidet including a rotating key projecting to a predetermined size on an outer circumferential surface of the rotating body. The method of claim 1, At least one depression recessed in an outer circumferential surface of the flow path switching valve at a predetermined width and depth; Bidet flow path switching device comprising a sealing member inserted and seated in the recess. The method of claim 7, wherein The depression portion is formed in the front or rear side of the water inlet and / or the outlet port flow path switching device for the bidet. The method of claim 1, The valve housing is a flow path switching device for bidet washing water including a rotary key receiving portion is formed at a rear end having a predetermined diameter. The method of claim 1, The valve housing is a flow path switching device for the wash water for bidet that includes an air inlet formed in the front end having a predetermined length and diameter. A flow path switching valve formed at one side of an outer circumference thereof and including at least one inlet through which washing water flows in and a outlet through which washing water introduced into the inlet flows out; An inflow pipe accommodating the flow path switching valve and formed at a position coinciding with the water inlet; A washing nozzle connecting pipe formed at a position corresponding to the outlet, A bidet nozzle connector formed at a predetermined distance from the cleaning nozzle connector; A valve housing formed on the opposite side of the bidet nozzle connecting tube, the valve housing including a washing nozzle connecting tube formed at a predetermined distance from the cleaning nozzle connecting tube; And And a motor mounted to a rear end of the flow path switching valve to rotate the flow path switching valve. A first step in which the outlet port is located at an initial position; A second step in which the outlet port rotates at a predetermined angle to coincide with the cleaning nozzle connector to clean the cleaning nozzle; A third step in which the outlet port rotates in a reverse direction to coincide with the cleaning nozzle connector to perform anal cleaning; A fourth step in which the outlet is rotated again at a predetermined angle to coincide with the washing nozzle connector to wash the washing nozzle; And And a fifth step of returning the outlet to the initial position. The method of claim 12, Before the third step is performed, the step of placing the water outlet in the initial position, in order to prevent the washing water is sprayed during the time that the cleaning nozzle is drawn out further comprising the flow path for the wash water for bidet. The method of claim 12, Before the fourth step is performed, further comprising the step of placing the outlet at the initial position to prevent the washing water from being sprayed during the time when the cleaning nozzle is returned to the original position. A first step in which the outlet port is located at an initial position; A second step in which the outlet port is rotated at a predetermined angle to coincide with the washing nozzle connector to wash the bidet nozzle; A third step in which the outlet port is further rotated at a predetermined angle to coincide with the bidet nozzle connector to perform local cleaning; A fourth step in which the outlet is rotated in a reverse direction to coincide with the washing nozzle connector to wash the bidet nozzle; And And a fifth step of returning the outlet to the initial position. The method of claim 15, Before the third step is performed, in order to prevent the washing water is injected during the time that the bidet nozzle is drawn out, the water outlet is further located in the clogging section, the method for switching the flow path of the wash water for bidet. The method of claim 15, Before the fourth step is performed, in order to prevent the washing water from being sprayed during the time that the bidet nozzle is returned to its original position, the water outlet is further located in the clogging section.

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