JP2020029764A - Sanitary washing device - Google Patents

Abstract

To provide a sanitary washing device capable of suppressing accumulation of dirt in a rear part of a casing and suppressing the diffusion of dirt by tubes when a nozzle with an upwardly convex curved shape is provided.SOLUTION: There is provided a sanitary washing device comprising a nozzle for cleaning the human body private parts, a tube for supplying water to the nozzle, a water inlet connection connected to the upstream of the tube to supply water to the tube, a casing containing the nozzle, the tube, and the water inlet connection, and a nozzle cleaning unit for cleaning the nozzle. The nozzle is curved so that it is convex upward, and moves back and forth along an arcuate virtual trajectory. The nozzle has a first area located ahead of the nozzle cleaning unit with the nozzle advanced, and the rear end of the first area is located at the vertex of the virtual trajectory or ahead of the vertex when the nozzle is stored inside the casing. The water inlet connection is provided below the nozzle.SELECTED DRAWING: Figure 8

Description

  Aspects of the present invention generally relate to sanitary washing devices.

  In recent years, sanitary washing devices have been required to have a lower silhouette design than ever before. In such a situation, the height of the sanitary washing device is limited by a nozzle unit having a local washing nozzle (hereinafter, also simply referred to as “nozzle”) for washing a human body part.

  As a method of lowering the height of the sanitary washing device, it is conceivable that the toilet and the sanitary washing device are integrated by going behind the stool (hereinafter simply referred to as “toilet”). However, according to this method, the sanitary washing device can be attached only with a dedicated toilet. Therefore, a sheet-type sanitary washing device installed on the upper surface of the toilet, which can attach the sanitary washing device to any toilet, is preferable. With the nozzle unit installed in such a sheet-type sanitary washing device, the silhouette has been reduced while maintaining the conventional washing point, washing angle, nozzle orbit that does not interfere with the ass, nozzle extension point that does not submerge when flushing the toilet, etc. As a corresponding means, it is conceivable that the nozzle has an upwardly convex curved shape.

Japanese Patent No. 5257859

  However, if the nozzle has a curved shape that is upwardly convex, there is a possibility that sewage or dirt adhering to the nozzle during local cleaning may flow along the outer surface of the nozzle after the storage of the nozzle and flow backward of the nozzle. As a result, for example, sewage or the like may drop onto the inner part of the casing that houses the nozzle (the part behind the nozzle), and dirt may accumulate around the functional unit and the like provided in the inner part.

  The tube for supplying water to the nozzle is connected to the nozzle, and moves with the operation of the nozzle. Therefore, if sewage or the like adheres to the tube, depending on the arrangement of the tube, there is a possibility that when the tube moves, the dirt may be diffused to peripheral members and the inner part of the casing.

  The present invention has been made based on the recognition of such a problem, and when a local cleaning nozzle having an upwardly convex curved shape is provided, it is possible to suppress accumulation of dirt in the inner part of the casing, and to provide a tube. It is an object of the present invention to provide a sanitary washing device capable of suppressing the spread of dirt.

  The first invention is a local washing nozzle for washing a human body local part, a tube for supplying water to the local washing nozzle, an inlet connection part connected to an upstream side of the tube and supplying water to the tube, A local cleaning nozzle, the tube, and a casing accommodating the water inlet connection unit, and a nozzle cleaning unit for cleaning the local cleaning nozzle, the local cleaning nozzle is curved so as to be convex upward. And moving back and forth along an arcuate virtual trajectory, wherein the local cleaning nozzle has a first region located ahead of the nozzle cleaning unit when the local cleaning nozzle is advanced, and the local cleaning nozzle In the stored state where is housed inside the casing, the rear end of the first region is located at the vertex of the virtual track or ahead of the vertex, and the water inlet connection portion is It is a sanitary washing device, characterized in that provided below the serial local cleaning nozzle.

  According to this sanitary washing device, the local washing nozzle has a curved shape so as to be convex upward, so that the nozzle unit can be downsized in the vertical direction. Thereby, the casing can be downsized in the vertical direction. Further, according to the sanitary washing device, the rear end of the first region to which sewage or the like may adhere during local washing is positioned such that the rear end of the first region is located at the top of the virtual trajectory or in front of the top in the stored state. By doing so, in the storage state, it is possible to prevent sewage and the like from flowing backward from the rear end of the first region. Accordingly, it is possible to prevent sewage or the like from dropping into the inner part of the casing, and to prevent dirt from accumulating in the inner part of the casing. Further, according to this sanitary washing device, the tube can be routed below the local washing nozzle by providing the water inlet connection portion below the local washing nozzle. Thereby, the space below the local cleaning nozzle can be effectively used as the movable range of the tube, and the casing can be downsized. Further, even when sewage or the like adheres to the tube, the movable range of the tube is the space below the local washing nozzle, so that the movement of the tube can suppress the diffusion of dirt to peripheral members and the inner part of the casing. .

  According to a second aspect, in the first aspect, in the storage state, a rear end of the local cleaning nozzle is located at a vertex of the virtual trajectory or ahead of the vertex. It is.

  According to this sanitary washing device, the rear end of the local cleaning nozzle is located at the top of the virtual trajectory or in front of the apex in the storage state, so that sewage and the like can be removed in the storage state. Can be suppressed from flowing backward from the rear end. Accordingly, it is possible to further suppress dripping of sewage or the like into the inner part of the casing, and further suppress accumulation of dirt in the inner part of the casing.

  A third invention is the sanitary washing device according to the first or second invention, wherein the water inlet connection portion is provided to be substantially horizontal or to be inclined upward from upstream to downstream. is there.

  According to this sanitary washing device, the tube can be prevented from interfering with the bottom plate of the casing by providing the water inlet connection portion so as to be substantially horizontal or to be inclined upward from upstream to downstream. Thus, it is possible to prevent the tube from interfering with the bottom plate of the casing and causing friction when the local cleaning nozzle moves forward and backward, thereby reducing the load on the nozzle drive unit (motor).

  A fourth invention is the sanitary washing device according to the third invention, wherein a rear end of the water inlet connection portion is located forward of a vertex of the virtual track.

  According to this sanitary washing device, the length of the tube can be ensured and the bending of the tube is suppressed by positioning the rear end of the water inlet connection portion ahead of the vertex of the virtual track. be able to.

  According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the local cleaning nozzle includes a first cylindrical portion that extends from the casing, a second cylindrical portion that extends from the first cylindrical portion, Wherein the second cylindrical portion has a water outlet, and in the storage state, the water outlet is housed inside the first cylindrical portion.

  According to this sanitary washing device, the local washing nozzle is a so-called multi-stage nozzle having a first tubular portion that extends out of the casing and a second tubular portion that extends out of the first tubular portion. Can be downsized. Thus, the casing can be downsized in the front-rear direction. Further, according to this sanitary washing device, in the storage state, the water outlet of the second cylindrical portion is housed inside the first cylindrical portion, so that the sewage and the like adhering around the water outlet can be stored at the time of storage. The clogging can be achieved by one cylinder. Accordingly, it is possible to further suppress dripping of sewage or the like into the inner part of the casing, and further suppress accumulation of dirt in the inner part of the casing.

  A sixth invention is the sanitary washing device according to any one of the first to fifth inventions, wherein the water inlet connection portion is rotatable in accordance with an advance / retreat operation of the local washing nozzle. .

  According to this sanitary washing device, even when the tube located outside the local washing nozzle is shortened by the water inlet connecting portion rotating in accordance with the reciprocating operation of the local washing nozzle, the local washing nozzle advances, The bending of the tube can be suppressed.

  A seventh invention according to any one of the first to sixth inventions, further comprising a cable rack for moving the local cleaning nozzle forward and backward, wherein the cable rack curves in the same direction as the virtual trajectory in a side view. It is a sanitary washing device characterized by performing.

  According to this sanitary washing device, the local cleaning nozzle can be advanced while maintaining the curvature of the cable rack by making the cable rack bend in the same direction as the virtual track in a side view. Thereby, twisting of the cable rack when moving the local cleaning nozzle can be suppressed, and the moving operation of the local cleaning nozzle can be stabilized.

  According to the aspect of the present invention, when the local cleaning nozzle having the upwardly convex curved shape is provided, it is possible to suppress accumulation of dirt in the inner part of the casing and to prevent the dirt from being diffused by the tube. A cleaning device is provided.

It is a perspective view showing typically the toilet apparatus provided with the sanitary washing device concerning an embodiment. It is a block diagram showing typically the important section composition of the sanitary washing device concerning an embodiment. FIGS. 3A and 3B are perspective views schematically illustrating the vicinity of a local cleaning nozzle of the sanitary cleaning device according to the embodiment. FIG. 4A and FIG. 4B are exploded perspective views schematically illustrating respective parts of a local cleaning nozzle of the sanitary washing device according to the embodiment. It is a side view which represents typically the local cleaning nozzle periphery of the sanitary washing device which concerns on embodiment. It is a side view which represents typically the local cleaning nozzle periphery of the sanitary washing device which concerns on embodiment. It is a side view which represents typically the local cleaning nozzle periphery of the sanitary washing device which concerns on embodiment. It is a side view which represents typically the local cleaning nozzle periphery of the sanitary washing device which concerns on embodiment. FIGS. 9A and 9B are side views schematically illustrating the vicinity of a local cleaning nozzle of a modified example of the sanitary washing device according to the embodiment. It is a side view which represents typically the local cleaning nozzle periphery of the sanitary washing device which concerns on embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In each of the drawings, similar components are denoted by the same reference numerals, and detailed description will be omitted as appropriate.
FIG. 1 is a perspective view schematically illustrating a toilet device provided with the sanitary washing device according to the embodiment.
As shown in FIG. 1, the toilet device includes a large stool (toilet) 800 and a sanitary washing device 100 installed thereon. The sanitary washing device 100 includes a casing 400, a toilet seat 200, and a toilet lid 300. The toilet seat 200 and the toilet lid 300 are pivotally supported on the casing 400 so as to be freely opened and closed.

  Inside the casing 400, a local cleaning function unit for realizing cleaning of a local portion such as a “buttock” of a user sitting on the toilet seat 200 is incorporated. The local cleaning function unit includes, for example, a nozzle unit. Further, for example, the casing 400 is provided with a seating detection sensor 404 that detects the user's seating on the toilet seat 200. When the user operates the operation unit 500 (see FIG. 2) such as a remote controller while the seating detection sensor 404 detects the user sitting on the toilet seat 200, the local cleaning nozzle (nozzle) 473 is moved to the toilet 800. It can be advanced into the bowl 801 or retracted from the bowl 801. In the sanitary washing device 100 shown in FIG. 1, a state in which the nozzle 473 has advanced into the bowl 801 is shown.

  The nozzle 473 discharges water (cleaning water) toward the human body part to clean the human body part. The tip end of the nozzle 473 is provided with a posterior washing spout 474a, a soft washing spout 474b, and a bidet washing spout 474c. The nozzle 473 can wash water from the posterior washing faucet 474a or the soft flush faucet 474b provided at the tip of the nozzle 473 to wash the "buttock" of the user sitting on the toilet seat 200. Alternatively, the nozzle 473 can wash the female local part of the woman sitting on the toilet seat 200 by spraying water from a bidet cleaning spout 474c provided at the tip thereof. In the specification of the present application, "water" includes not only cold water but also heated hot water.

  Examples of the mode for washing the "butt" include "butt washing" and "soft washing" for gentle washing with a softer stream than "butt washing". The nozzle 473 can execute, for example, “butt cleaning”, “soft cleaning”, and “bidet cleaning”.

  In the nozzle 473 shown in FIG. 1, the bidet cleaning water outlet 474c is provided on the tip side of the nozzle 473 more than the soft cleaning water outlet 474b, and the soft cleaning water outlet 474b is more nozzle than the posterior cleaning water outlet 474a. However, the installation positions of the posterior cleaning spout 474a, the soft cleaning spout 474b, and the bidet cleaning spout 474c are not limited to this. Although three nozzles are provided in the nozzle 473 shown in FIG. 1, for example, the soft cleaning nozzle 474 b may be omitted, or four or more nozzles may be provided. Good.

  In the embodiment, for example, the water discharging angle of the posterior cleaning water discharging port 474a, the water discharging angle of the soft cleaning water discharging port 474b, and the water discharging angle of the bidet cleaning water discharging port 474c are different from each other. The water discharge angle is, for example, an angle (sub-angle) between the upper surface of the toilet 800 and the discharged water. The water discharge angle of the posterior washing water discharge port 474a is, for example, about 43 degrees. The water discharge angle of the soft cleaning water discharge port 474b is, for example, about 43 degrees. The water discharge angle of the bidet cleaning water discharge port 474c is, for example, about 47 degrees.

FIG. 2 is a block diagram schematically illustrating a main configuration of the sanitary washing device according to the embodiment.
FIG. 2 also shows the main components of the waterway system and the electric system.
As shown in FIG. 2, the sanitary washing device 100 has a water guide 20. The water guide unit 20 has a pipe line 20a from the water supply source 10 such as a water supply or a water storage tank to the nozzle 473. The water guide unit 20 guides the water supplied from the water supply source 10 to the nozzle 473 through the conduit 20a. The pipeline 20a is formed by, for example, components such as an electromagnetic valve 431, a heat exchanger unit 440, and a flow path switching unit 472 described below, and a plurality of pipes connecting these components.

  An electromagnetic valve 431 is provided on the upstream side of the water guide 20. The electromagnetic valve 431 is an electromagnetic valve that can be opened and closed, and controls the supply of water based on a command from a control unit 405 provided inside the casing 400. In other words, the solenoid valve 431 opens and closes the pipeline 20a. By opening the solenoid valve 431, the water supplied from the water supply source 10 flows to the pipeline 20a.

  A pressure regulating valve 432 is provided downstream of the electromagnetic valve 431. The pressure regulating valve 432 adjusts the pressure in the pipeline 20a to a predetermined pressure range when the supply water pressure is high. A check valve 433 is provided downstream of the pressure regulating valve 432. The check valve 433 suppresses the backflow of water upstream of the check valve 433, for example, when the pressure in the pipeline 20a decreases.

  Downstream of the check valve 433, a heat exchanger unit 440 (heating unit) is provided. The heat exchanger unit 440 has a heater, heats the water supplied from the water supply source 10, and raises the temperature to, for example, a specified temperature. That is, the heat exchanger unit 440 generates hot water.

  The heat exchanger unit 440 is an instantaneous heating (instantaneous) heat exchanger using, for example, a ceramic heater or the like. The instantaneous heating type heat exchanger can raise the temperature of water to a specified temperature in a short time as compared with a hot water storage type heat exchanger using a hot water storage tank. The heat exchanger unit 440 is not limited to the instantaneous heating type heat exchanger, and may be a hot water storage type heat exchanger. Further, the heating unit is not limited to the heat exchanger, and may be a unit using another heating method such as a unit using microwave heating.

  The heat exchanger unit 440 is connected to the control unit 405. The control unit 405 raises the temperature of the water to the temperature set by the operation unit 500, for example, by controlling the heat exchanger unit 440 according to the operation of the operation unit 500 by the user.

  Downstream of the heat exchanger unit 440, a flow sensor 442 is provided. The flow sensor 442 detects the flow rate of the water discharged from the heat exchanger unit 440. That is, the flow sensor 442 detects the flow rate of water flowing in the pipeline 20a. The flow sensor 442 is connected to the control unit 405. The flow rate sensor 442 inputs the detection result of the flow rate to the control unit 405.

  An electrolytic cell unit 450 is provided downstream of the flow sensor 442. The electrolytic cell unit 450 generates a liquid (functional water) containing hypochlorous acid from tap water by electrolyzing tap water flowing inside. The electrolytic cell unit 450 is connected to the control unit 405. The electrolytic cell unit 450 generates functional water based on control by the control unit 405.

  The functional water generated in the electrolytic cell unit 450 may be, for example, a solution containing metal ions such as silver ions and copper ions. Alternatively, the functional water generated in the electrolytic cell unit 450 may be a solution containing electrolytic chlorine, ozone, or the like. Alternatively, the functional water generated in the electrolytic cell unit 450 may be acidic water or alkaline water.

  Downstream of the electrolytic cell unit 450, a vacuum breaker (VB) 452 is provided. The vacuum breaker 452 has, for example, a flow path for flowing water, an intake port for taking in air into the flow path, and a valve mechanism for opening and closing the intake port. The valve mechanism, for example, closes the intake port when water is flowing in the flow path, opens the intake port when the flow of water stops, and takes in air into the flow path. That is, the vacuum breaker 452 takes in air into the pipeline 20a when there is no flow of water in the water guide unit 20. As the valve mechanism, for example, a float valve is used.

  The vacuum breaker 452 takes in air into the pipeline 20a as described above, for example, to promote drainage of a portion of the pipeline 20a downstream of the vacuum breaker 452. Vacuum breaker 452 facilitates, for example, draining of nozzle 473. As described above, the vacuum breaker 452 drains the water in the nozzle 473 and takes in the air into the nozzle 473, so that, for example, the washing water in the nozzle 473 or the sewage collected in the bowl 801 can be supplied to the water supply source 10 ( Suppress backflow to the (water) side.

  Downstream of the vacuum breaker 452, a pressure modulator 454 is provided. The pressure modulating unit 454 pulsates or accelerates the flow of water in the conduit 20a of the water guide unit 20, and the bottom washing outlet 474a, the soft washing outlet 474b of the nozzle 473, the bidet washing outlet 474c, and the nozzle washing unit. The water spouted from the spout 478 is pulsated. That is, the pressure modulation unit 454 changes the flow state of the water flowing in the pipeline 20a. The pressure modulation section 454 is connected to the control section 405. The pressure modulation unit 454 changes the flow state of water based on the control by the control unit 405. The pressure modulation unit 454 changes the pressure of water in the pipe line 20a.

  Downstream of the pressure modulation section 454, a flow rate adjustment section 471 is provided. The flow rate adjustment unit 471 adjusts the water force (flow rate). A flow path switching unit 472 is provided downstream of the flow rate adjusting unit 471. The flow path switching unit 472 performs opening / closing and switching of water supply to the nozzle 473 and the nozzle cleaning unit 478. The flow rate adjusting unit 471 and the flow path switching unit 472 may be provided as one unit. The flow rate adjustment unit 471 and the flow path switching unit 472 are connected to the control unit 405. The operations of the flow rate adjustment unit 471 and the flow path switching unit 472 are controlled by the control unit 405.

  Downstream of the flow path switching unit 472, a nozzle 473, a nozzle cleaning unit 478, and a spray nozzle 479 are provided. The nozzle 473 receives the driving force from the nozzle driving unit 476 and advances into the bowl 801 of the toilet 800 or retreats from the bowl 801.

  The nozzle cleaning unit 478 cleans the outer peripheral surface (body) of the nozzle 473 by, for example, spraying functional water or water from a water discharging unit. The spray nozzle 479 sprays washing water or functional water into a mist in the bowl 801. In this example, a spray nozzle 479 is provided separately from the nozzle 473 for cleaning the human body. Without being limited to this, the nozzle 473 may be provided with a water outlet for spraying the mist-like liquid onto the bowl 801.

  Downstream of the flow path switching unit 472, the water supplied from the water supply source 10 via the water guide unit 20 and the functional water generated in the electrolytic cell unit 450 are supplied to the nozzle washing flow path 21 which supplies the nozzle 473. , A soft cleaning channel 22 and a bidet cleaning channel 23 are provided. The posterior washing channel 21 connects the channel switching unit 472 and the posterior washing spout 474a. The soft washing channel 22 connects the channel switching unit 472 and the soft washing spout 474b. The bidet cleaning channel 23 connects the channel switching unit 472 and the bidet cleaning spout 474c.

  Further, downstream of the flow path switching unit 472, the surface cleaning flow path 24 and the spray flow path 25 are provided. The surface cleaning flow channel 24 guides the water supplied from the water supply source 10 via the water guiding unit 20 and the functional water generated in the electrolytic tank unit 450 to the water discharging unit of the nozzle cleaning unit 478. The spray channel 25 guides water supplied from the water supply source 10 via the water guide unit 20 and functional water generated in the electrolytic cell unit 450 to the spray nozzle 479.

  The control unit 405 controls the flow path switching unit 472 to control each of the posterior cleaning flow path 21, the soft cleaning flow path 22, the bidet cleaning flow path 23, the surface cleaning flow path 24, and the spray flow path 25. Toggle open / close. As described above, the flow path switching unit 472 includes a plurality of water outlets such as the posterior cleaning water outlet 474a, the soft water cleaning outlet 474b, the bidet cleaning water outlet 474c, the nozzle cleaning unit 478, and the spray nozzle 479. The state of communication with the pipe 20a and the state of non-communication with the pipeline 20a are switched.

  The control unit 405 is supplied with electric power from the power supply circuit 401, and based on signals from the human body detection sensor 403, the seating detection sensor 404, the flow sensor 442, the operation unit 500, and the like, the electromagnetic valve 431, the heat exchanger, and the like. The operation of the unit 440, the electrolytic cell unit 450, the pressure modulation unit 454, the flow rate adjustment unit 471, the flow path switching unit 472, the nozzle driving unit 476, and the like is controlled.

  As shown in FIG. 1, the human body detection sensor 403 is provided so as to be embedded in a concave portion 409 formed on the upper surface of the casing 400 and detects a user (human body) approaching the toilet seat 200. In other words, the human body detection sensor 403 detects a user near the sanitary washing device 100. Further, a transmission window 310 is provided at the rear of the toilet lid 300. Therefore, when the toilet lid 300 is closed, the human body detection sensor 403 can detect the presence of the user through the transmission window 310. The control unit 405 automatically opens the toilet lid 300, for example, in response to the detection of the user by the human body detection sensor 403.

  In addition, the casing 400 has various types of “hot air drying function” for drying by blowing warm air toward a “buttock” of a user sitting on the toilet seat 200, a “deodorizing unit”, and an “indoor heating unit”. A mechanism may be appropriately provided. At this time, an exhaust port 407 from the deodorizing unit and an exhaust port 408 from the indoor heating unit are appropriately provided on the side surface of the casing 400. However, in the present invention, the sanitary washing function unit and other additional function units do not necessarily have to be provided.

FIGS. 3A and 3B are perspective views schematically illustrating the vicinity of a local cleaning nozzle of the sanitary cleaning device according to the embodiment.
As shown in FIGS. 3A and 3B, the nozzle 473 has, for example, a first tubular portion 473a and a second tubular portion 473b. The first cylindrical portion 473a extends from the casing 400. The second cylindrical portion 473b advances from the first cylindrical portion 473a. In this example, the second tubular portion 473b is housed inside the first tubular portion 473a. The nozzle 473 is, for example, a so-called multi-stage nozzle. Thus, by using the nozzle 473 as a multi-stage nozzle, the size of the nozzle unit can be reduced in the front-rear direction. Thereby, the casing 400 can be downsized in the front-rear direction.

  The nozzle 473 is curved so as to be convex upward. In this way, by forming the nozzle 473 into a curved shape so as to be convex upward, the size of the nozzle unit can be reduced in the vertical direction. Thereby, the casing 400 can be downsized in the vertical direction.

  The nozzle 473 is supported by a nozzle support 480 provided below the nozzle 473. The nozzle 473 advances and retreats (retreats) while moving (sliding) along the inclination of the upper surface of the nozzle support 480. In other words, the inclination of the upper surface of the nozzle support portion 480 follows the path of the nozzle 473 moving forward and backward (virtual path VO described later). In this example, the upper surface of the nozzle support portion 480 is inclined downward from the rear toward the front. The nozzle support 480 may be, for example, a cylindrical member that houses the nozzle 473.

  At least a part of the nozzle driving unit 476 for moving the nozzle 473 forward and backward is provided below the nozzle 473, for example. In this example, at least a part of the nozzle driving unit 476 is provided inside the nozzle support unit 480. By providing at least a part of the nozzle driving unit 476 below the nozzle 473 in this manner, the space below the nozzle 473 can be effectively used as a movable range of the nozzle driving unit 476, and the casing 400 can be downsized. be able to. The nozzle driving unit 476 will be described later.

  A tube 475 for supplying water to the nozzle 473 is connected to the nozzle 473. The tube 475 constitutes, for example, at least a part of the posterior washing channel 21, the soft washing channel 22, and the bidet washing channel 23. One end (downstream side) of the tube 475 is connected to the nozzle 473, and the other end (upstream side) of the tube 475 is connected to a water inlet 477 that supplies water to the tube 475. For example, a portion of the tube 475 is located inside the nozzle 473, and another portion of the tube 475 is located outside the nozzle 473.

FIG. 4A and FIG. 4B are exploded perspective views schematically illustrating respective parts of a local cleaning nozzle of the sanitary washing device according to the embodiment.
FIG. 4A is an exploded perspective view schematically illustrating the first cylindrical portion 473a.
FIG. 4B is an exploded perspective view schematically illustrating the second cylindrical portion 473b.

  As shown in FIG. 4A, the first cylindrical portion 473a has a first body portion 491 and a guide portion 492. The first body portion 491 has a hollow cylindrical shape communicating in the front-rear direction, and can accommodate the second cylindrical portion 473b in an internal space. The cross section of the first body portion 491 in the reciprocating direction is, for example, substantially a perfect circle. The guide portion 492 has a hollow cylindrical shape communicating with the front-rear direction, and is connected to the rear end of the first body portion 491. The guide unit 492 guides the cable rack of the nozzle driving unit 476 such that the cable rack does not contact the tube 475.

  As shown in FIG. 4B, the second cylindrical portion 473b has a second body portion 493, a nozzle head 494, and a drive connection portion 495. The second body portion 493 is a hollow cylindrical shape having an opening at a rear end, and can accommodate the nozzle head 494 in an internal space. The cross section of the second body portion 493 in the advance / retreat direction is, for example, a substantially perfect circle. On the upper surface of the front part of the second body part 493, a posterior washing water outlet 474a, a soft cleaning water outlet 474b, and a bidet cleaning water outlet 474c are provided. The nozzle head 494 is provided inside the second body portion 493, below the posterior washing water spout 474a, the soft cleaning water spout 474b, and the bidet cleaning water spout 474c. The nozzle head 494 is connected to the tube 475, and discharges the water supplied from the tube 475 from the posterior cleaning spout 474a, the soft cleaning spout 474b, or the bidet cleaning spout 474c. The tube 475 connected to the nozzle head 494 extends behind the nozzle 473 through the space inside the drive connection 495. The drive connection portion 495 is a hollow cylindrical shape communicating in the front-rear direction, and is connected to the rear end of the second body portion 493. The drive connection unit 495 is connected to the cable rack of the nozzle drive unit 476.

  As described above, the nozzle 473 is curved so as to be convex upward. In other words, the first tubular portion 473a and the second tubular portion 473b are curved so as to protrude upward. More specifically, for example, the first body part 491 and the guide part 492 of the first cylinder part 473a, and the second body part 493 and the drive connection part 495 of the second cylinder part 473b are convex upward. It is curved.

  The axis of the first cylindrical portion 473a and the axis of the second cylindrical portion 473b are, for example, along the orbit (virtual orbit VO described later) of the nozzle 473. The axis of the first cylindrical portion 473a and the axis of the second cylindrical portion 473b are, for example, arcs having the same radius of curvature (first radius of curvature CR1 described later) as the advancing or retreating trajectory of the nozzle 473. Alternatively, in the housed state, the axis of the portion where the first cylindrical portion 473a and the second cylindrical portion 473b overlap, for example, follows the path of the nozzle 473 moving forward and backward. In the housed state, the axis of the portion where the first cylindrical portion 473a and the second cylindrical portion 473b overlap is, for example, an arc having the same radius of curvature as the path of the nozzle 473 moving forward and backward.

  For example, in the stored state, the water outlets (the posterior washing water outlet 474a, the soft washing water outlet 474b, and the bidet water outlet 474c) provided in the second cylindrical portion 473b are housed inside the first cylindrical portion 473a. . In this manner, in the storage state, the water outlet of the second cylindrical portion 473b is stored inside the first cylindrical portion 473a, so that the waste water and the like adhering to the periphery of the water outlet are blocked by the first cylindrical portion 473a at the time of storage. be able to. Thereby, it is possible to suppress the sewage or the like from dropping to the inner part of the casing 400, and to prevent the dirt from collecting in the inner part of the casing 400.

5 to 7 are side views schematically illustrating the vicinity of a local cleaning nozzle of the sanitary cleaning device according to the embodiment.
As shown in FIGS. 5 to 7, the sanitary washing device 100 (casing 400) is installed on a toilet 800. The nozzle 473, the tube 475, the water inlet connection 477, the flow path switching unit 472, the nozzle support 480, the nozzle cleaning unit 478, and the nozzle driving unit 476 are housed inside the casing 400. The nozzle 473 can advance outside the casing 400.

  A nozzle lid 600 is provided in front of the nozzle 473. The nozzle lid 600 is provided to be able to open and close with respect to an opening provided in front of the nozzle 473. The nozzle lid 600 is rotatably supported on the front surface of the casing 400. As shown in FIG. 5, the nozzle lid 600 is in a closed state in which the opening is closed when the nozzle 473 is housed inside the casing 400, and as shown in FIGS. In the advanced state advanced from 400, the opening is opened.

  The nozzle cleaning section 478 is attached to the front end of the nozzle support section 480. The nozzle cleaning unit 478 includes a member (water discharging unit) 478a having a water discharging hole for discharging the cleaning water, and a support 478b. The nozzle cleaning unit 478 cleans the outer peripheral surface (body) of the nozzle 473 by, for example, injecting functional water or water from the water discharging unit 478a when the nozzle 473 moves forward and backward. In this example, the nozzle cleaning unit 478 is configured separately from the nozzle support unit 480, but the nozzle cleaning unit 478 may be configured integrally with the nozzle support unit 480.

  The water inlet connection part 477 is connected to the flow path switching part 472. In other words, one end (downstream side) of the water inlet connection section 477 is connected to the upstream side of the tube 475, and the other end (upstream side) of the water inlet connection section 477 is connected to the flow path switching section 472. In this example, the rear end of the water inlet connection 477 is connected to the upstream side of the tube 475, and the front end of the water inlet connection 477 is connected to the flow path switching unit 472.

  The water inlet connection section 477 and the flow path switching section 472 are provided below the nozzle 473. In this example, the water inlet connection part 477 and the flow path switching part 472 are provided inside the nozzle support part 480. The tube 475 is routed below the nozzle 473. In other words, the tube 475 extends rearward from the nozzle 473, curves downward, further curves forward, and is connected to the water inlet connection portion 477 provided below the nozzle 473.

  In the specification of the present application, “below the nozzle 473” is a position below the virtual trajectory VO in a side view and not overlapping with the nozzle 473 in a side view.

  Thus, by providing the water inlet connection portion 477 below the nozzle 473, the tube 475 can be routed below the nozzle 473. Thus, the space below the nozzle 473 can be effectively used as the movable range of the tube 475, and the casing 400 can be reduced in size. In addition, even when sewage or the like adheres to the tube 475, the movable range of the tube 475 is the space below the nozzle 473, so that the movement of the tube 475 causes the dirt to diffuse to peripheral members and the inner part of the casing 400. Can be suppressed.

  Further, in this example, the water inlet connection section 477 and the flow path switching section 472 are provided immediately below the nozzle 473. In other words, the water inlet connection part 477 and the flow path switching part 472 are provided below the nozzle 473 and at a position overlapping the nozzle 473 in a top view. In this way, by providing the water inlet connection portion 477 directly below the nozzle 473, the torsion of the tube 475 when the nozzle 473 moves forward and backward can be suppressed. Thereby, the nozzle 473 and the tube 475 can be operated more stably. The water inlet connection part 477 and the flow path switching part 472 may be provided, for example, below the nozzle 473 and at a position that does not overlap with the nozzle 473 in a top view.

  Further, the water inlet connection portion 477 is provided, for example, so as to be substantially horizontal or to be inclined upward from the upstream to the downstream (from the channel switching portion 472 side to the tube 475 side). In this manner, by providing the water inlet connection portion 477 so as to be substantially horizontal or to be inclined upward from upstream to downstream, it is possible to suppress the tube 475 from interfering with the bottom plate of the casing 400. Accordingly, it is possible to prevent the tube 475 from interfering with the bottom plate of the casing 400 when the nozzle 473 advances and retreats and to generate friction, thereby reducing the load on the nozzle driving unit 476 (motor).

Hereinafter, the operation of the nozzle will be described.
As shown in FIG. 5, when the nozzle is not used, the entire nozzle 473 is housed inside the casing 400. When local cleaning is performed by the nozzle 473, first, as shown in FIG. 6, the second cylindrical portion 473b advances forward and downward from the first cylindrical portion 473a. At this time, the second cylindrical portion 473b moves along the virtual trajectory VO. When the second cylindrical portion 473b moves forward and downward, the second cylindrical portion 473b comes into contact with the nozzle cleaning portion 478, and the water discharge portion 478a and the nozzle lid 600 of the nozzle cleaning portion 478 are pushed upward. For example, the second cylindrical portion 473b is washed by the water discharged from the water discharging portion 478a until the second cylindrical portion 473b reaches a predetermined position.

  When the second cylindrical portion 473b reaches a predetermined position, the first cylindrical portion 473a moves forward and downward along the nozzle support portion 480 as shown in FIG. At this time, the first tubular portion 473a moves along the virtual trajectory VO together with the second tubular portion 473b in a state where the second tubular portion 473b extends forward from the first tubular portion 473a. For example, before the first cylindrical portion 473a reaches a predetermined position, the first cylindrical portion 473a and the second cylindrical portion 473b are washed by the water discharged from the water discharging portion 478a.

  As shown in FIG. 7, when the first cylindrical portion 473a reaches a predetermined position, water is discharged from the posterior washing spout 474a, the soft washing spout 474b, or the bidet washing spout 474c toward the user's local area. Then, cleaning is performed.

  When the local cleaning is completed, the nozzle 473 moves rearward and upward toward the inside of the casing 400. When the nozzle 473 retreats, first, as shown in FIG. 6, the first cylindrical portion 473a retreats to a predetermined position. At this time, the first tubular portion 473a moves along the virtual trajectory VO together with the second tubular portion 473b in a state where the second tubular portion 473b extends forward from the first tubular portion 473a. For example, before the first cylindrical portion 473a reaches a predetermined position, the first cylindrical portion 473a and the second cylindrical portion 473b are washed by the water discharged from the water discharging portion 478a.

  When the first cylindrical portion 473a reaches a predetermined position, as shown in FIG. 5, the second cylindrical portion 473b retreats rearward and upward, and is stored in the first cylindrical portion 473a. At this time, the second cylindrical portion 473b moves along the virtual trajectory VO. When the second cylindrical portion 473b is stored in the first cylindrical portion 473a, the entire nozzle 473 is stored inside the casing 400. For example, the second cylindrical portion 473b is washed by the water discharged from the water discharging portion 478a until the second cylindrical portion 473b reaches a predetermined position.

  By discharging water from the nozzle cleaning unit 478 when the nozzle 473 is housed inside the casing 400 in this manner, the dirty water and the like attached to the nozzle 473 are washed away, and then the nozzle 473 is housed inside the casing 400. be able to. Thereby, it is possible to suppress the sewage or the like from dropping to the inner part of the casing 400, and to prevent the dirt from collecting in the inner part of the casing 400. In addition, since the nozzle 473 slides better due to the water discharged from the nozzle cleaning unit 478, the sliding resistance when the nozzle 473 is stored can be further reduced.

  In addition, in a state where the second cylindrical portion 473b is housed in the first cylindrical portion 473a, water is discharged from the posterior cleaning spout 474a, the soft cleaning spout 474b, or the bidet cleaning spout 474c. The surface and the inside of the first cylindrical portion 473a may be cleaned (self-cleaning).

  As illustrated in FIG. 7, the nozzle 473 is located forward of the nozzle cleaning unit 478 in a state where the nozzle 473 has advanced (for example, a state where the first cylindrical portion 473a and the second cylindrical portion 473b have advanced). It has one region R1. The first region R1 includes, for example, a first body portion 491 of the first tube portion 473a and a second body portion 493 of the second tube portion 473b. At least a part of the first region R1 is exposed outside the casing 400. That is, the first region R1 is a region where sewage or the like may adhere during local cleaning.

FIG. 8 is a side view schematically illustrating the vicinity of a local cleaning nozzle of the sanitary cleaning device according to the embodiment.
As illustrated in FIG. 8, in the housed state in which the nozzle 473 is housed inside the casing 400, the rear end of the first region R1 is located at the vertex VT of the virtual trajectory VO or ahead of the vertex VT. In other words, in the housed state, the rear end of the first region R1 does not exceed the vertex VT of the virtual trajectory VO in the front-back direction. The vertex VT is located immediately above the center of curvature CT of the virtual trajectory VO.

  The virtual trajectory VO is a trajectory of the nozzle 473 moving forward and backward. The axis of the nozzle 473 follows the virtual trajectory VO. The virtual trajectory VO is, for example, an arc having a first radius of curvature CR1. The first radius of curvature CR1 is, for example, not less than 100 mm and not more than 800 mm, and preferably about 500 mm.

  For example, when the rear end of the first region R1 to which sewage or the like may adhere during local cleaning is located behind the vertex VT of the virtual trajectory VO in the housed state, the sewage or the like attached to the first region R1 may be removed. , Flows downstream of the rear end of the first region R1 via the nozzle 473. Then, sewage or the like drops on the inner part of the casing 400, and dirt accumulates on the inner part of the casing 400.

  On the other hand, according to the embodiment, the rear end of the first region R1 is located at the vertex VT of the virtual trajectory VO or in front of the vertex VT in the stored state. Thereby, it is possible to suppress the sewage or the like adhering to the first region R1 from flowing downstream of the rear end of the first region R1 via the nozzle 473. Therefore, it is possible to prevent sewage and the like from dropping into the inner part of the casing 400, and to prevent dirt from accumulating in the inner part of the casing 400.

  As shown in FIG. 8, for example, in the housed state, the rear end of the nozzle 473 is located at the vertex VT of the virtual trajectory VO or at the front of the vertex VT. In other words, in the stored state, the rear end of the nozzle 473 does not exceed the vertex VT of the virtual trajectory VO in the front-back direction. The rear end of the nozzle 473 is, for example, the rear end of the first cylindrical portion 473a. The rear end of the nozzle 473 is, for example, the rear end of the guide portion 492 of the first cylindrical portion 473a. The rear end of the nozzle 473 may be, for example, the rear end of the first body portion 491 of the first cylindrical portion 473a.

  In this manner, by positioning the rear end of the nozzle 473 in the storage state in front of the vertex VT of the virtual trajectory VO or in front of the vertex VT, in the storage state, the rear end of the nozzle 473 can be contaminated. It can be suppressed from flowing backward. Therefore, it is possible to further suppress dripping of sewage and the like into the inner part of the casing 400, and it is possible to further suppress accumulation of dirt in the inner part of the casing 400.

  Also, as shown in FIG. 8, for example, in the housed state, the rear end of the tube 475 is located at the vertex VT of the virtual trajectory VO or at the front of the vertex VT. In other words, for example, in the housed state, the rear end of the tube 475 does not exceed the vertex VT of the virtual trajectory VO in the front-back direction. Thereby, it is possible to more reliably suppress sewage and the like from dropping into the inner part of the casing 400.

  In addition, as shown in FIG. 8, for example, the rear end of the casing 400 is located at the vertex VT of the virtual orbit VO or at the front of the vertex VT. In other words, for example, the rear end of the casing 400 does not exceed the vertex VT of the virtual trajectory VO in the front-rear direction. Thereby, it is possible to further reliably prevent sewage and the like from dropping into the inner part of the casing 400.

  In addition, as shown in FIG. 8, for example, the rear end of the water inlet connection portion 477 is located ahead of the vertex VT of the virtual trajectory VO. In this way, by positioning the rear end of the water inlet connection portion 477 in front of the apex VT of the virtual track VO, the length of the tube 475 can be secured and the bending of the tube 475 can be suppressed. can do.

  In addition, as shown in FIG. 8, for example, the rear end of the water inlet connection portion 477 is located ahead of the rear end of the nozzle 473. In this way, by arranging the rear end of the water inlet connection portion 477 in front of the rear end of the nozzle 473, the length of the tube 475 can be more reliably ensured, and the tube 475 is bent. Can be further suppressed.

  Further, as shown in FIG. 8, in the stored state, the front end of the nozzle 473 is located above the upper surface of the toilet 800. The upper surface of the toilet 800 is, for example, a surface in contact with the toilet seat 200. The upper surface of the toilet 800 is, for example, the upper surface of a rim provided on the toilet 800. As described above, in the housed state, by positioning the front end of the nozzle 473 above the upper surface of the toilet 800, the front end of the nozzle 473 can be kept as far away from the toilet 800 as possible. Thus, it is possible to further suppress dripping of sewage and the like into the inner part of the casing 400, and further suppress accumulation of dirt in the inner part of the casing 400.

FIGS. 9A and 9B are side views schematically illustrating the vicinity of a local cleaning nozzle of a modified example of the sanitary washing device according to the embodiment.
As shown in FIG. 9A, in a state where the nozzle 473 is housed inside the casing 400, the water inlet connection portion 477 is connected to the tube 475 extending from the rear to the front, and the flow path switching is performed. The part 472 is located in front of the water inlet connection part 477.

  On the other hand, as shown in FIG. 9B, when the nozzle 473 advances, the flow path switching unit 472 and the water inlet connection unit 477 rotate about 90 degrees in the counterclockwise direction in FIG. 9A. In this state, the water inlet connection portion 477 is connected to the tube 475 extending downward from above, and the flow path switching portion 472 is located below the water inlet connection portion 477. When the nozzle 473 is retracted from the state shown in FIG. 9B, the flow path switching unit 472 and the water inlet connection unit 477 rotate about 90 degrees clockwise in FIG. Return to the state shown in (). Note that the rotation angle of the flow path switching unit 472 and the water inlet connection unit 477 can be set to any angle, but is preferably set so that the force applied to the tube 475 becomes small.

  Thus, in this example, the flow path switching unit 472 and the water inlet connection unit 477 are provided rotatably in accordance with the advance / retreat operation of the nozzle 473. When the flow path switching unit 472 and the water inlet connection unit 477 rotate in accordance with the advance / retreat operation of the nozzle 473, even when the nozzle 473 advances and the tube 475 located outside the nozzle 473 is shortened, the tube 475 is Bending can be suppressed.

FIG. 10 is a side view schematically illustrating the vicinity of a local cleaning nozzle of the sanitary washing device according to the embodiment.
As illustrated in FIG. 10, the nozzle driving unit 476 includes, for example, a motor (not shown), a gear 476a, and a cable rack (flexible rack gear) 476b. The nozzle driving unit 476 causes the nozzle 473 connected to the cable rack 476b to advance and retreat, for example, by rotating the gear 476a by a motor and moving the cable rack 476b.

  In this example, the cable rack 476b is curved in the same direction as the virtual trajectory VO in a side view. In this manner, by bending the cable rack 476b in the same direction as the virtual trajectory VO in a side view, the nozzle 473 can advance while maintaining the curvature of the cable rack 476b. Thereby, twisting of the cable rack 476b at the time of moving the nozzle 473 forward and backward can be suppressed, and the forward and backward operation of the nozzle 473 can be stabilized.

  In this example, the cable rack 476b is provided below the nozzle 473. In other words, the cable rack 476b is provided so as to extend rearward from the nozzle 473, curve downward, and further curve forward. For example, when the nozzle 473 is housed inside the casing 400, the end of the cable rack 476b on the side not connected to the nozzle 473 is located below the nozzle 473.

  In this example, the cable rack 476 b is provided along the tube 475 in the housed state where the nozzle 473 is housed inside the casing 400. In other words, the curvature of the cable rack 476b follows the curvature of the tube 475.

  As described above, according to the embodiment, when the nozzle 473 having the upwardly convex curved shape is provided, it is possible to suppress the accumulation of dirt in the inner part of the casing 400 and to diffuse the dirt by the tube 475. Can be suppressed.

The embodiment of the invention has been described. However, the invention is not limited to these descriptions. With respect to the above-described embodiments, those to which a person skilled in the art has appropriately changed the design are also included in the scope of the present invention as long as they have the features of the present invention. For example, the shape, size, material, arrangement, installation form, and the like of each element included in the sanitary washing device 100 and the like are not limited to those illustrated, and can be appropriately changed.
In addition, each element included in each of the embodiments described above can be combined as far as technically possible, and a combination of these elements is also included in the scope of the present invention as long as it includes the features of the present invention.

  DESCRIPTION OF SYMBOLS 10 Water supply source, 20 water-guiding part, 21 buttocks washing channel, 22 soft washing channel, 23 bidet washing channel, 24 surface washing channel, 25 spray channel, 100 sanitary washing device, 200 toilet seat, 300 toilet lid, 310 transmission window, 400 casing, 401 power supply circuit, 403 human body detection sensor, 404 seat detection sensor, 405 control section, 407 exhaust port, 408 exhaust port, 409 recessed section, 431 solenoid valve, 432 pressure regulating valve, 433 check valve , 440 heat exchanger unit, 442 flow sensor, 450 electrolytic cell unit, 452 vacuum breaker, 454 pressure modulation unit, 471 flow rate adjustment unit, 472 flow path switching unit, 473 nozzle, 473a first cylinder unit, 473b second cylinder unit 474a Butt washing spout, 474b Soft washing spout 474c bidet cleaning water spout, 475 tube, 476 nozzle driving part, 477 water inlet connection part, 478 nozzle cleaning part, 478a water discharging part, 478b support, 479 spray nozzle, 480 nozzle support part, 491 first body part, 492 guide part 493 second body part, 494 nozzle head, 495 drive connection part, 500 operation part, 600 nozzle lid, 800 toilet bowl, 801 bowl, CT center of curvature, CR1 first radius of curvature, R1 first area, VO virtual orbit, VT vertex

The first invention is a local washing nozzle for washing a human body local part, a tube for supplying water to the local washing nozzle, an inlet connection part connected to an upstream side of the tube and supplying water to the tube, A local cleaning nozzle, the tube, and a casing accommodating the water inlet connection unit, and a nozzle cleaning unit for cleaning the local cleaning nozzle, the local cleaning nozzle is curved so as to be convex upward. And moving back and forth along an arcuate virtual trajectory, wherein the local cleaning nozzle has a first region located ahead of the nozzle cleaning unit when the local cleaning nozzle is advanced, and the local cleaning nozzle before the but housed state housed inside of said casing, said rear end of the first region, a vertex located just above the arc of curvature of the center of the virtual track, or than the apex Located in, the entering-water connection portion is provided below the part washing nozzle is rotatable in accordance with the forward and backward movement of the local cleaning nozzle, the entering-water connection portion, the first rotation in the accommodated state From the position, it is rotatable to a second rotation position in accordance with the advance of the local washing nozzle, and a connection portion between the water inlet connection portion and the tube is located at a rear side of the water inlet connection portion in the first rotation position. And the sanitary washing device is located above the water inlet connection portion at the second rotation position .

According to this sanitary washing device, the local washing nozzle has a curved shape so as to be convex upward, so that the nozzle unit can be downsized in the vertical direction. Thereby, the casing can be downsized in the vertical direction. Further, according to the sanitary washing device, the rear end of the first region to which sewage or the like may adhere during local washing is positioned such that the rear end of the first region is located at the top of the virtual trajectory or in front of the top in the stored state. By doing so, in the storage state, it is possible to prevent sewage and the like from flowing backward from the rear end of the first region. Accordingly, it is possible to prevent sewage or the like from dropping into the inner part of the casing, and to prevent dirt from accumulating in the inner part of the casing. Further, according to this sanitary washing device, the tube can be routed below the local washing nozzle by providing the water inlet connection portion below the local washing nozzle. Thereby, the space below the local cleaning nozzle can be effectively used as the movable range of the tube, and the casing can be downsized. Further, even when sewage or the like adheres to the tube, the movable range of the tube is the space below the local washing nozzle, so that the movement of the tube can suppress the diffusion of dirt to peripheral members and the inner part of the casing. . In addition, according to this sanitary washing device, when the water inlet connection portion rotates in accordance with the advance / retreat operation of the local washing nozzle, the local washing nozzle advances and the tube located outside the local washing nozzle becomes shorter. In addition, the bending of the tube can be suppressed.

A sixth invention according to any one of the first to fifth inventions, further comprising a cable rack for moving the local cleaning nozzle forward and backward, wherein the cable rack curves in the same direction as the virtual trajectory in a side view. It is a sanitary washing device characterized by performing.

Claims (7)

A local cleaning nozzle for cleaning a human body part,
A tube for supplying water to the local cleaning nozzle,
An inlet connection connected to the upstream side of the tube and supplying water to the tube;
A casing that houses the local cleaning nozzle, the tube, and the water inlet connection;
A nozzle cleaning unit for cleaning the local cleaning nozzle,
With
The local cleaning nozzle is curved so as to be convex upward, and advances and retreats along an arc-shaped virtual trajectory,
The local cleaning nozzle has a first region located in front of the nozzle cleaning unit in a state where the local cleaning nozzle has advanced,
In the housed state in which the local cleaning nozzle is housed inside the casing, the rear end of the first region is located at the top of the virtual track, or at the front of the top,
The said water inlet connection part is provided below the said local washing | cleaning nozzle, The sanitary washing device characterized by the above-mentioned.   2. The sanitary washing device according to claim 1, wherein in the stored state, a rear end of the local cleaning nozzle is located at a vertex of the virtual trajectory or ahead of the vertex. 3.   The sanitary washing device according to claim 1, wherein the water inlet connection portion is provided to be substantially horizontal or to be inclined upward from upstream to downstream.   The sanitary washing device according to claim 3, wherein a rear end of the water inlet connection part is located forward of a vertex of the virtual track. The local cleaning nozzle has a first cylindrical portion that extends from the casing, and a second cylindrical portion that extends from the first cylindrical portion,
The second cylindrical portion has a water outlet,
The sanitary washing device according to any one of claims 1 to 4, wherein in the storage state, the water outlet is stored inside the first cylindrical portion.   The sanitary washing device according to any one of claims 1 to 5, wherein the water inlet connection portion is rotatable in accordance with the forward / backward movement of the local washing nozzle. Further comprising a cable rack for moving the local cleaning nozzle forward and backward,
The sanitary washing device according to any one of claims 1 to 6, wherein the cable rack curves in the same direction as the virtual track in a side view.

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