JP4793992B2 - Sanitary washing toilet seat device and toilet device - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a sanitary washing toilet seat device and a toilet device, and more specifically to a sanitary washing toilet seat device for washing a user's “butt” or the like seated on a Western-style sitting toilet with water and a toilet device provided with the same.

  Since the sanitary washing toilet seat apparatus accommodates a washing nozzle for injecting washing water in its interior so as to be able to advance and retreat, a mainstream one is a type that is installed and used at the upper rear part of a seated toilet. And the size reduction is examined for the purpose of the improvement of the cleaning property of such a sanitary washing toilet seat apparatus. That is, if the depth dimension of the sanitary washing toilet seat device is reduced, the portion of the sitting toilet bowl covered by the bowl can be reduced, and the trouble of removing the dirt on the back surface of the sanitary washing toilet seat device covered by the bowl can be saved. In addition, if the height of the sanitary washing toilet seat device is reduced, the area to which dirt is attached can be reduced, and cleaning can be easily performed.

In order to reduce the size of the sanitary washing toilet seat device, it is necessary to reduce the size of the washing nozzle in the storage state. A multi-stage structure is conceivable as a structure that can reduce the size of the cleaning nozzle stored (for example, Patent Documents 1 to 3).
JP 2002-161568 A JP-A-61-290441 Japanese Utility Model Publication No. 61-32267

  By the way, in order to improve the cleanliness of the sanitary washing toilet seat device, it is desirable to provide a “nozzle body cleaning function” that removes dirt attached around the body of the cleaning nozzle. This “nozzle body cleaning function” can be realized by spraying water in a nozzle cleaning chamber provided in the main body of the sanitary cleaning toilet seat apparatus and cleaning the cleaning nozzle passing through the nozzle cleaning chamber.

  However, in the case of a multi-stage cleaning nozzle composed of a plurality of cylinder bodies, in order to clean all cylinder bodies uniformly, it is necessary to control so that all of these cylinder bodies pass through the nozzle cleaning chamber reliably. .

  The present invention has been made based on the recognition of such a problem, and a sanitary washing toilet seat device including a multi-stage washing nozzle that can reliably perform nozzle body washing after use, and a toilet device equipped with the same It is to provide.

According to one aspect of the invention,
A nozzle head having a spout;
A cylinder part capable of storing at least a part of the nozzle head;
A nozzle cleaning chamber capable of cleaning the nozzle head and the cylinder part;
Drive means for advancing and retreating the nozzle head and the cylinder part;
With
The cylinder portion penetrates the nozzle cleaning chamber in the advanced state,
The drive means is configured to further retract the nozzle head after retreating the nozzle head and the cylinder portion in conjunction with each other when the nozzle head and the cylinder portion are retracted from the advanced state. A sanitary washing toilet seat device is provided.

According to another aspect of the present invention,
A nozzle head having a spout;
A first cylinder part capable of storing at least a part of the nozzle head;
A second cylinder part capable of storing at least a part of the first cylinder part;
A nozzle cleaning chamber capable of cleaning the nozzle head and the first and second cylinder parts;
Drive means for advancing and retreating the nozzle head and the first and second cylinder parts;
With
The second cylinder portion is located on the advance side from the nozzle cleaning chamber or through the nozzle cleaning chamber in the advanced state,
The drive means is configured to retract the nozzle head and the first and second cylinder portions in conjunction with each other when the nozzle head and the first and second cylinder portions are retracted from the advanced state. There is provided a sanitary washing toilet seat device, wherein the nozzle head and the first cylinder part are retracted in conjunction with each other, and then the nozzle head is further retracted.

  ADVANTAGE OF THE INVENTION According to this invention, the sanitary washing toilet seat apparatus provided with the multistage type washing nozzle which made it possible to implement the nozzle body washing | cleaning after use reliably, and a toilet apparatus provided with the same can be provided.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic perspective view of a cleaning nozzle portion provided in a sanitary cleaning toilet seat device according to an embodiment of the present invention. That is, FIG. 7A shows a state in which the cleaning nozzle is housed, and FIG. 9B shows an extended state.
FIG. 2 is a schematic partial cross-sectional view showing the backward movement operation of the cleaning nozzle. 2A to 2D are schematic views of the cleaning nozzle as viewed from above.

This cleaning nozzle is a three-stage type, and has a nozzle head 100, a first cylinder part 200, a second cylinder part 300, and a third cylinder part 400. Although this specific example has a three-stage cleaning nozzle, that is, a cleaning nozzle having three movable parts, the present invention is not limited to this, and includes a multi-stage cleaning nozzle having four or more movable parts. .
One or a plurality of water outlets 150 are provided at the tip of the nozzle head 100, and as will be described in detail later, water can be sprayed toward a “butt” of a user sitting on a toilet seat (not shown). Has been. In the present specification, the term “water” includes not only cold water but also warm hot water.

  The nozzle head 100 is slidably provided with respect to the first cylinder part 200, and at least a part of the nozzle head 100 can be stored in the first cylinder part 200. The first cylinder part 200 is slidably provided with respect to the second cylinder part 300, and at least a part of the first cylinder part 200 can be stored in the second cylinder part 300. Similarly, the second cylinder part 300 is slidably provided with respect to the third cylinder part 400, and at least a part of the second cylinder part 300 can be stored in the third cylinder part 400. The third cylinder 400 is fixed with respect to the nozzle base 700. Note that the third cylinder portion 400 does not necessarily have to be a complete cylindrical body, and it is sufficient that the second cylinder portion 300 can be slidably held. The sliding operation of each of these elements is performed by the drive unit 600 as described in detail later with reference to a specific example.

  In addition, a nozzle cleaning chamber 500 is provided in the cleaning nozzle portion of the present embodiment. The nozzle cleaning chamber 500 is fixed with respect to the nozzle base 700, and the outer peripheral surface of the cleaning nozzle can be cleaned by spraying water from a water outlet provided in the nozzle base 700. As shown in FIG. 1A and FIG. 2D, the tip of the nozzle head 100 protrudes from the first cylinder portion 200 in a state where the cleaning nozzle is housed, and almost into the nozzle cleaning chamber 500. Contained. Further, as shown in FIGS. 1B and 2, the cleaning nozzle advances and retracts through the nozzle cleaning chamber 500.

  In this embodiment, when the cleaning nozzle is retracted, the cleaning nozzle sequentially retracts from the outer cylinder portion. That is, from the state where the cleaning nozzle is extended as shown in FIG. 2A, first, the second cylinder part 300 passes through the nozzle cleaning chamber 500 in conjunction with the nozzle head 100 and the first cylinder part 200. Then, the vehicle moves backward and is stored in the third cylinder portion 400 as shown in FIG. Next, the first cylinder part 200 moves backward while passing through the nozzle cleaning chamber 500 in conjunction with the nozzle head 100, and is stored in the second cylinder part 300 as shown in FIG. The Finally, the nozzle head 100 moves backward while passing through the nozzle cleaning chamber 500 and is stored in the first cylinder portion 200 as shown in FIG.

  In this way, by sequentially passing the nozzle cleaning chamber 500 from the outside of the movable portion of the cleaning nozzle during the backward movement of the cleaning nozzle, the entire outer peripheral surface of the movable portion of the nozzle can be uniformly cleaned in the nozzle cleaning chamber 500. That is, when using the sanitary washing toilet seat device, the user's “tail” or the like in a state where the washing nozzle is extended as shown in FIG. Inject water into By this cleaning operation, filth and the like can be dropped to clean the “butt” and the like. However, dirt or the like may adhere to the surface of the cleaning nozzle during this cleaning.

  For this reason, when the cleaning nozzle is moved backward, it is desirable to perform “nozzle body cleaning” for cleaning the outer peripheral surface of the cleaning nozzle by spraying cleaning water in the nozzle cleaning chamber 500. According to the present embodiment, the second cylinder part 300, the first cylinder part 200, and the nozzle head 100 can be passed through the nozzle cleaning chamber 500 in this order. That is, it becomes possible to clean all the outer peripheral surfaces of these movable parts exposed to the outside in the extended state. As a result, the washing nozzle can always be kept clean, and the sanitary washing toilet seat device can be kept hygienically desirable. In addition, it is possible to reduce the trouble of cleaning the cleaning nozzle, and to prevent a malfunction or failure of the cleaning nozzle due to adhesion of dirt.

  FIG. 3 is a schematic view illustrating the structure of the nozzle cleaning chamber. 1A is a longitudinal sectional view of the nozzle cleaning chamber 500 and its vicinity in a state where the cleaning nozzle is accommodated, and FIG. 1B is a sectional view taken along the line A-A in FIG. (C) is the front view seen from the B direction.

  The nozzle cleaning chamber 500 of this specific example is a bowl-shaped body that opens downward. A water passage 510 is connected to the nozzle cleaning chamber 500, and the cleaning water W can be injected into the nozzle cleaning chamber 500 from the water passage port 520. In addition, on the rear and front side surfaces of the nozzle cleaning chamber 500, through-holes 530 and 540 that are open at the bottom are provided, respectively. As described above with reference to FIG. 2, the cleaning nozzle is sequentially retracted through the through holes 530 and 540, and at that time, the outer peripheral surface is uniformly cleaned by the cleaning water W sprayed from the water flow port 520. . The washing water W that has washed the washing nozzle falls downward and is discharged to the bowl portion (not shown) of the toilet bowl.

  In the case of this specific example, as shown in FIGS. 2D and 3, in the state where the cleaning nozzle is housed, the tip of the second cylinder part 300 penetrates the rear through-hole 530 and is almost the same. It is in a closed state. As shown in FIGS. 2A to 2C, the through-hole 530 is always blocked by the second cylinder portion 300 even when the cleaning nozzle is advanced / retracted or extended. It is supposed to be in a state. Here, the gap between the through-hole 530 and the second cylinder part 300 can be made sufficiently narrow in consideration of the machining accuracy and assembly accuracy of parts, or a margin of looseness of operation.

  Thus, when “nozzle body cleaning” is performed in the nozzle cleaning chamber 500, the cleaning water W sprayed from the water discharge port 520 is prevented from being scattered in the direction of the base 700 through the through-hole 530. it can. As will be described in detail later, since various parts including electric parts are built in the main body of the sanitary washing toilet seat device, it is necessary to suppress the scattering of the washing water W as much as possible. On the other hand, in this specific example, the through-hole 530 at the rear of the nozzle cleaning chamber 500 is almost always closed by the second cylinder portion 300, so that the cleaning water W is scattered inside the main body of the sanitary cleaning toilet seat device. A highly-reliable sanitary washing toilet seat device can be realized as much as possible. Moreover, in this specific example, as illustrated in FIG. 3A, the cleaning water W can be jetted forward from the water outlet 520. As a result, it is possible to suppress the water flow toward the rear through-hole 530 and further suppress the scattering of the cleaning water W from the through-hole 530 to the apparatus main body.

4A and 4B show modified examples of the nozzle cleaning chamber 500, and both correspond to the cross-sectional view taken along the line AA in FIG.
In the case of the modification shown in FIG. 4A, two water discharge ports 522 and 524 are provided. In this way, by performing the “nozzle body cleaning” by injecting the cleaning water W to the cleaning nozzle from a plurality of directions, it becomes possible to remove dirt more evenly and reliably.

On the other hand, in the case of the specific example shown in FIG. 4B, a water discharge port 526 that is expanded in a flat shape toward the outer peripheral direction of the cleaning nozzle is provided. By performing the “nozzle body cleaning” by injecting the cleaning water W from the expanded water discharge port 526, it is possible to clean the wide range of the cleaning nozzle evenly.
In addition, this invention is not limited to these specific examples and modification examples, These may be combined and what added the further deformation | transformation about the number, shape, arrangement | positioning, etc. of a water outlet is also included. Also, the shape of the nozzle cleaning chamber 500 includes, for example, those in which the entire lower part is not opened and at least a part thereof is opened, and those in which no opening is provided below.

  As shown in FIG. 1 and FIGS. 3B and 3C, in the specific example in which the rear through-hole of the nozzle cleaning chamber 500 is opened downward, the lower portion of the through-hole and the second cylinder portion. It is preferable to block the gap formed between 300 by the base 700 to suppress the scattering of the cleaning water W.

Hereinafter, the cleaning nozzle portion provided in the sanitary washing toilet seat device of the present embodiment will be described in more detail with reference to specific examples.
FIG. 5 is a partially cut perspective view illustrating the structure of the drive unit 600 of the cleaning nozzle unit according to the specific example of the invention.
In this specific example, the cleaning nozzle is advanced and retracted using a flexible rack 610. The flexible rack 610 is formed of a material such as a resin having flexibility, and at least one side surface thereof is provided with unevenness that engages with a gear. In addition, when a reinforcing wire made of metal or the like is embedded in the flexible rack 610, buckling against compression in the longitudinal direction can be suppressed and strength against tension can be increased. As such a reinforcing wire, for example, a cable in which a plurality of metal wires are combined can be used.

  The flexible rack 610 is supported so as to be slidable in the longitudinal direction in the sanitary washing toilet seat device 800 along the guide portion 612 provided in the base portion 700, and the tip thereof is fixed to the nozzle head 100. In addition, the base 700 is provided with a drive unit 620, and the drive output of the motor 622 can be appropriately decelerated and output to the gear 624. The flexible rack 610 is engaged with the gear 624 and converts the rotational driving force of the gear 624 into a linear driving force to move the nozzle head 100.

Further, an engagement release portion 630 is provided near the base of the cleaning nozzle.
6A and 6B are schematic views illustrating the arrangement relationship between the disengagement unit 630 and the flexible rack 610. FIG. 6A is a partial plan view viewed from above, and FIG. It is the side view seen from A direction.
As can be seen from these drawings, the disengaging part 630 can be a pair of wedge-shaped members provided on both sides of the flexible rack 610. The disengagement part 630 is fixed to the base 700, and the flexible rack 610 is slidable in the direction of arrow B by the driving force from the gear 624.

FIG. 7 is a schematic cross-sectional view showing a state in which the cleaning nozzle is housed in this specific example.
FIG. 8 is a schematic partial sectional view showing a state in which the cleaning nozzle is extended. 7 and 8 are schematic partial cross-sectional views of the cleaning nozzle as viewed from above.

  The flexible rack 610 is fixed to the proximal end portion of the nozzle head 100. Further, a stopper 120 protruding in the circumferential direction is provided at the base end portion of the nozzle head 100. On the other hand, a slider 210 is provided inside the distal end portion of the first cylinder portion 200, and a stopper 220 protruding in the circumferential direction is provided at the proximal end portion. The nozzle head 100 abuts on the inner peripheral surface of the slider 210 and is slidably supported. When the nozzle head 100 advances, the stopper 120 comes into contact with the slider 210 of the first cylinder part 200, and the stroke end is determined.

  Further, a slider 310 is also provided inside the distal end portion of the second cylinder portion 300, and a stopper 320 protruding in the circumferential direction is provided at the proximal end portion. The first cylinder 200 is in contact with the inner peripheral surface of the slider 310 and is slidably supported. When the first cylinder part 200 advances, the stopper 220 comes into contact with the slider 310 of the second cylinder part 300, and the stroke end is determined.

  Further, a slider 410 is provided inside the tip of the third cylinder part 400, and supports the second cylinder part 300 slidably. When the second cylinder 300 is advanced, the stopper 320 comes into contact with the slider 410 of the third cylinder 400, and the stroke end is determined. The base 700 itself may be configured to slidably support the second cylinder 300 without providing the third cylinder 400.

  As will be described in detail later, the casings of the nozzle head 100 and the first and second cylinder portions 200 and 300 are formed of a metal such as stainless steel or aluminum, and the sliders 210, 310, and 410 are made of PET (polyethylene terephthalate) or the like. By forming with resin, smooth sliding is possible while blocking the entry of water from the outside. Further, the casing of the nozzle head 100 may be formed of, for example, resin.

On the other hand, engagement mechanisms 230 and 330 that engage with the flexible rack 610 are provided at the base end portions of the first and second cylinder portions 200 and 300, respectively.
9A and 9B are schematic views illustrating the structure of the engaging mechanism 330. FIG. 9A is a front view as viewed from the nozzle tip side, and FIG. 9B is a cross-sectional view taken along line AA in FIG. (C) is the BB sectional drawing of the figure (a).

  The engagement mechanism 330 includes a resin frame 331, for example. The frame 331 may be formed integrally with the stopper 320 or may be provided as a separate body. The frame 331 is provided with a first through hole 332 and a second through hole 334. The first through-hole 332 can be used as a path through which the water supply tube 180 and the electric wire harness 190 are passed. The tube 180 supplies the cleaning water W to the nozzle head 100. Further, the electric wire harness 190 supplies the nozzle head 100 with a drive signal for switching the water channel or adjusting the water flow. The structure of the nozzle head 100 will be described in detail later with reference to a specific example.

On the other hand, the second through hole 334 is provided with a latch 350 supported by a coil spring 340. The latch 350 is urged in the direction of the arrow S in FIG. 9B and has a role of engaging a concave and convex recess provided in the flexible rack 610 and transmitting the driving force to the second cylinder portion 300. . The latch 350 is separated from the flexible rack 610 by the action of the disengagement unit 630 and the engagement is released.
The engagement mechanism 230 provided in the first cylinder part 200 also has a similar structure.

  The frictional force acting between the latch 250 and the disengagement part 630 of the engagement mechanism 230 is set to be larger than the frictional force generated between the first cylinder part 200 and the second cylinder part 300. . Further, the frictional force acting between the latch 350 and the disengagement part 630 of the engagement mechanism 330 is based on the frictional force generated between the second cylinder part 200 and the third cylinder part 400 (or the base part 700). Is set to be larger.

  Further, the engagement force between the latch 250 of the engagement mechanism 230 and the flexible rack 610 is such that the nozzle head 100 and the first cylinder part 200, the first cylinder part 200 and the second cylinder part 300, and the second cylinder part. The frictional force between 300 and the third cylinder 400 (or base 700) is set to be larger than the frictional force.

By setting the relationship between the engagement force of the engagement mechanisms 230 and 330 and the frictional force of the cleaning nozzle in this manner, the nozzle head 100 advances in order when the cleaning nozzle advances. Further, when the cleaning nozzle is retracted, the nozzle head 100, the first cylinder part 200, and the second cylinder part 300 are integrally interlocked until the latches 250 and 350 and the flexible rack 610 are disengaged. Therefore, it retreats in order from the outer cylinder part (second cylinder part 300).

  6 and 9, if the disengagement part 630 does not protrude outward from the flexible rack 610, the disengagement part 630 contacts the frame 331 and advances. -The problem of obstructing the backward movement can be avoided.

Next, the advance and retreat operations of the cleaning nozzle of this specific example will be described.
10 and 11 are schematic diagrams for explaining the advance operation of the cleaning nozzle of this example. FIG. 10A shows a state where the cleaning nozzle is completely accommodated. In this state, the nozzle head 100, the first cylinder part 200, and the second cylinder part 300 are retracted in the direction of the base end part, and the stoppers 120, 220, and 320 are in contact with each other. Further, in this state, the latches 250 and 350 of the first and second cylinder parts are on the disengagement part 630 and are separated from the flexible rack 610 and disengaged.

  At this time, the tip of the nozzle head 100 protrudes from the first cylinder 200 and is housed in the nozzle cleaning chamber 500.

  When the user operates the cleaning switch provided on the sanitary cleaning toilet seat device or the remote controller for operating the cleaning nozzle in the state where the cleaning nozzle is housed in this manner, an operation for cleaning the “wet” and the like is started. The

At this time, first, “nozzle pre-cleaning” in which water is discharged from the water outlet 150 of the nozzle head can be performed while the cleaning nozzle is housed as shown in FIG. This is because cold water accumulated in the water flow path from the hot water supply source provided in the sanitary washing toilet seat device to the nozzle head 100 is discharged in advance, and water at an appropriate temperature can be immediately sprayed to the user's “buttock” or the like. Process. Moreover, clogging of the water outlet 150 of the nozzle head 100 can be prevented by injecting water in advance. When the nozzle head 100 is provided with a plurality of water outlets 150, water may be discharged from all the water outlets.
Note that such “nozzle pre-cleaning” is performed in the nozzle cleaning chamber 500, so that the water discharged does not scatter outside, and the water sprayed from the water outlet 150 is located below the nozzle cleaning chamber 500. It flows out from the opening and is discharged to the bowl part of the toilet bowl.

When the “nozzle pre-cleaning” is completed, the cleaning nozzle is advanced while performing “nozzle body cleaning”. That is, the cleaning water W is sprayed from the water outlet 420 provided in the nozzle cleaning chamber 500 (see FIG. 3).
Then, the flexible rack 610 is pushed out in the direction of arrow F in order to advance the cleaning nozzle. Then, first, as shown in FIG. 10B, the nozzle head 100 advances. At this time, by appropriately adjusting the magnitude relationship of the frictional force acting between the nozzle head 100 and the first to third cylinder parts 200, 300, 400, only the nozzle head 100 advances, and the first and second The cylinder part can be prevented from moving. That is, the frictional force acting between the first cylinder part 200 and the nozzle head 100 is smaller than the frictional force acting between the first to third cylinder parts 200, 300, 400. do it.

  In this manner, first, only the nozzle head 100 is advanced, so that the entire outer peripheral surface can be uniformly cleaned in the nozzle cleaning chamber 500.

  As shown in FIG. 10B, when the nozzle head 100 advances to the stroke end and the stopper 120 contacts the slider 210, the driving force of the flexible rack 610 is also transmitted to the first cylinder unit 200. The first cylinder unit 200 starts to advance. Also at this time, by appropriately adjusting the magnitude relationship of the frictional force acting between the first to third cylinder parts 200, 300, and 400, only the first cylinder part 200 advances, and the second cylinder part Can be fixed. That is, the friction force acting between the first cylinder portion 200 and the second cylinder portion 300 is smaller than the friction force acting between the second cylinder portion 300 and the third cylinder portion 400. What is necessary is just to comprise.

  Then, when the first cylinder portion 200 advances to the position shown in FIG. 10C, the latch 250 is disengaged from the disengagement portion 630 and is engaged with the flexible rack 610 by the urging force of the coil spring 240.

FIG. 12 is a partially enlarged cross-sectional view illustrating the change in the engagement state accompanying the movement of the first cylinder unit 200.
As shown in FIG. 12A, in the state where the first cylinder part 200 is stored, the latch 250 of the engagement mechanism 230 is in a state of riding on the engagement release part 630 and is flexible. The engagement is released away from the rack 610.
When the first cylinder part 200 advances, the latch 250 descends the wedge-shaped inclined surface of the disengagement part 630 and engages with the concave part of the flexible rack 610 as shown in FIG. Then, after that, both the driving force via the nozzle head 100 and the driving force via the latch 250 are applied to the first cylinder part 200 as shown in FIG. Continue to advance into.
As described above, by moving the first cylinder portion 200 next to the nozzle head 100, the entire outer peripheral surface of the first cylinder portion 200 can be evenly cleaned in the nozzle cleaning chamber 500.

When the first cylinder part 200 advances to the stroke end as shown in FIG. 11A, the stopper 220 comes into contact with the slider 310 and the driving force of the flexible rack 610 is transmitted to the second cylinder part 300 as well. Then, the second cylinder unit 300 starts to advance. Then, when the second cylinder portion 300 advances to the position shown in FIG. 11B, the latch 350 provided in the engagement mechanism 330 engages with the flexible rack 610. Further, it advances by the driving force of the flexible rack 610 and extends to the state shown in FIG. After that, by spraying water from the water outlet 150 of the nozzle head 100, it is possible to wash the “wet” and the like.
As described above, the outer peripheral surface of the second cylinder unit 300 can be evenly cleaned in the nozzle cleaning chamber 500 by advancing the second cylinder unit 300 next to the first cylinder unit 200.

  The state shown in FIG. 11C is, for example, a state where the cleaning nozzle has been advanced to the normal position for cleaning the “wet”, for example, the stroke end as shown in FIG. It is slightly shorter than when it was advanced to. In this specific example, while the “nozzle body cleaning” is performed in this way, the cleaning nozzle may be advanced to the normal position for cleaning such as “wet”, and then the “wet” and other cleaning may be started immediately. Alternatively, while performing “nozzle body cleaning”, the cleaning nozzle is advanced to the maximum stroke end (for example, the state shown in FIG. 2A) to clean the whole, and then the normal position (for example, FIG. It may be moved back to the state c) and cleaning such as “wetting” may be started.

  As described above, in this specific example, the cleaning nozzle can be advanced by applying the driving force of the flexible rack 610 to the nozzle head 100 and transmitting it to each cylinder portion via the stoppers 120 and 220. . In addition, since the flexible rack 610 has a structure in which a metal cable is covered with a resin, it is possible to prevent the flexible rack 610 from being bent or buckled. As a result, the advance amount of the cleaning nozzle can be precisely controlled even with a multi-stage nozzle.

  A thick wire may be used if the flexible rack 610 only advances and retreats in the straight direction. However, since the depth of the sanitary washing apparatus body 800 is shorter than the advance length of the multistage washing nozzle, the washing nozzle is moved forward and backward. The flexible rack 610 needs to be bent by the guide portion 612 and stored in the sanitary washing toilet seat apparatus body 800. Therefore, it is preferable to use a cable that is resistant to bending as in this specific example.

  Further, the engagement mechanisms 230 and 330 are provided at the base end portions of the first and second cylinder portions 200 and 300, and the flexible rack 610 is advanced in a state where the latches 250 and 350 are engaged. Deflection and buckling of the rack 610 can be almost completely prevented. That is, if no guide or support is provided in the path from the guide portion 612 (see FIG. 5) to the fixed portion of the nozzle head 100, the flexible rack 610 may be bent when it is pushed out. There is a risk of buckling. On the other hand, in this specific example, the engagement mechanisms 230 and 330 are provided, and the flexible rack 610 can be pushed out with the latches 250 and 350 engaged with the flexible rack 610. As a result, the deflection and buckling of the flexible rack 610 are almost completely suppressed, and the advancement amount of the cleaning nozzle can be more precisely controlled by the rotation amount of the gear 624 (see FIG. 5).

  Further, the flexible rack 610 has a small diameter and is supported so as to be slidable in the longitudinal direction in the sanitary washing toilet seat device 800. Therefore, the space for housing the washing nozzle advance / retreat drive mechanism in the sanitary washing device 800 is small. can do.

  Further, according to this specific example, when the cleaning nozzle is advanced, the nozzle head 100, the first cylinder part 200, and the second cylinder part 300 are advanced in this order, so that all the outer peripheries of these movable parts can be obtained. The nozzle cleaning chamber 500 can be cleaned evenly. As a result, it is possible to wash “wet” and the like in a clean and sanitary state. Also, by pre-wetting the outer peripheral surface of the cleaning nozzle, it is possible to obtain an effect of suppressing adhesion of filth and the like scattered when cleaning “wet” and the like.

Next, the operation of retreating the cleaning nozzle in this specific example will be described.
13 and 14 are schematic diagrams for explaining the backward movement of the cleaning nozzle of this example. FIG. 13A shows a state where the cleaning nozzle is completely extended.
In this state, the nozzle head 100, the first cylinder portion 200, and the second cylinder portion 300 advance toward the tip, and the stoppers 120, 220, and 320 are in contact with the sliders 210, 310, and 410, respectively. . In this state, the engagement mechanisms 230 and 330 of the first and second cylinder portions are engaged with the flexible rack 610. In addition, instead of the state of having completely advanced as described above, as described above with reference to FIG.

  In this state, when the user has finished cleaning such as “wet” and operated a stop switch provided on the remote controller, for example, the water discharge from the water outlet 150 of the nozzle head 100 is stopped. Then, while performing “nozzle body cleaning”, the backward movement of the cleaning nozzle is started.

That is, first, the cleaning water W is sprayed from the water outlet 420 provided in the nozzle cleaning chamber 500 (see FIG. 3).
Then, the flexible rack 610 is pulled back in the direction of the arrow F in order to start the retreat of the cleaning nozzle. Then, as shown in FIG. 13B, the second cylinder unit 300 starts to move backward together with the nozzle head 100 and the first cylinder unit 200 and is stored in the third cylinder unit 400. At this time, the second cylinder part 300 is cleaned while passing through the nozzle cleaning chamber 500. That is, the entire outer peripheral surface of the second cylinder part 300 can be cleaned evenly in the nozzle cleaning chamber 500.

As shown in FIG. 13B, when the second cylinder part 300 is retracted to the vicinity of its stroke end and the latch 350 of the engagement mechanism 330 comes into contact with the engagement release part 630, the flexible rack 610 and Is disengaged.
FIG. 15 is a partially enlarged cross-sectional view illustrating a change in the state of the engagement mechanism 330 accompanying the movement of the second cylinder unit 300.
As shown in FIG. 15A, first, the second cylinder part 300 is retracted in a state where the latch 350 of the engagement mechanism 330 is engaged with the flexible rack 610. Then, as shown in FIG. 15B, when the latch 350 abuts against the wedge-shaped inclined surface of the disengagement portion 630, an acting force that lifts the latch 350 upward against the urging force of the coil spring 340 is generated. . As a result, the latch 350 and the flexible rack 610 are disengaged, and the second cylinder unit 300 stops moving backward.
Thereafter, the flexible rack 610 continues to be pulled back in the direction of the arrow F. At that time, the latch 350 idles on the uneven surface of the flexible rack 610 according to an antagonistic state between the urging force of the coil spring 340 and the acting force applied by the disengaging part 630. By appropriately setting the biasing force of the coil spring 340, the inclined shape of the disengagement portion 630, and the shape of the contact surface of the latch 350, the latch 350 is smoothly idled in this state, and the flexible rack 610 is excessively moved. The braking force can be prevented from being applied.

  As described above, when the engagement of the engagement mechanism 330 is released, the second cylinder unit 300 stops, and the first cylinder unit 200 continues to move backward together with the nozzle head 100. At this time, the first cylinder part 200 passes through the nozzle cleaning chamber 500, and the entire outer peripheral surface thereof can be cleaned uniformly in the nozzle cleaning chamber 500.

  When the first cylinder part 200 moves backward, as shown in FIG. 13C, the stopper 220 (or engagement mechanism 230) of the first cylinder part 200 is replaced with the stopper 320 (or engagement mechanism) of the second cylinder part 300. 330), and further retracts, the latch 350 of the engagement mechanism 330 of the second cylinder part 300 is pushed up onto the disengagement part 630. 14A, when the latch 250 of the first cylinder part 200 comes into contact with the wedge-shaped inclined surface of the disengagement part 630, as described above with reference to FIG. And the first cylinder part 200 stops. Thereafter, the flexible rack 610 is pulled back in the direction of arrow F, and the latch 250 idles on the uneven surface of the flexible rack 610.

Even when the nozzle head 100 is retracted after the first cylinder part 200 is retracted, the entire outer peripheral surface thereof can be cleaned evenly in the nozzle cleaning chamber 500. 14B, the stopper 120 of the nozzle head 100 abuts on the stopper 220 (or the engagement mechanism 230) of the first cylinder part 200, and further retracts to engage the latch 250. Push up on the mating release 630. In this manner, as shown in FIG. 14C, the cleaning nozzle is completely housed when it is retracted to the stroke end.
Thereafter, “after-nozzle cleaning” may be performed by appropriately ejecting water from the water outlet 150 at the tip of the nozzle head 100 housed in the nozzle cleaning chamber 500. As a result, it is possible to prevent clogging of the water discharge port 150, and to obtain an effect of carefully cleaning the tip of the nozzle head 100 and the inside of the nozzle cleaning chamber 500. In the case where the nozzle head 100 is provided with a plurality of water outlets 150, it is preferable that water is jetted from all of the water outlets 150 even during “after-nozzle cleaning”.

  As described above, in this specific example, when the cleaning nozzle is moved backward by providing the engagement mechanisms 230 and 330 and the engagement release unit 630, the second cylinder unit 300 and the first cylinder unit are provided. 200 and the nozzle head 100 can be moved backward in this order. In this way, the entire outer periphery of these movable parts can be cleaned uniformly in the nozzle cleaning chamber 500. That is, “nozzle body cleaning” can be effectively and reliably performed when the multistage cleaning nozzle is moved backward. As a result, even a multi-stage cleaning nozzle can maintain a clean and hygienic state, save the trouble of cleaning, and prevent malfunctions and failures due to the attachment of dirt.

  FIG. 16 is a schematic cross-sectional view showing the backward movement operation of the cleaning nozzle according to the modified example of the present embodiment. In this modification, the disengagement part 630 is not provided. Even without the disengagement portion 630, the second cylinder portion 300, the first cylinder portion 200, and the nozzle head 100 can be retracted in this order during the retracting operation.

That is, as shown in FIG. 16A, the latches of the engagement mechanisms 230 and 330 are engaged with the recesses of the flexible rack 610 in a state where the cleaning nozzle is extended. Accordingly, when the flexible rack 610 is pulled back in the direction of the arrow A from this state, all of the nozzle head 100, the first cylinder part 200, and the second cylinder part 300 start to retract.
Then, as shown in FIG. 16B, when the second cylinder portion 300 is completely retracted and abuts against a stopper (not shown), the latch of the engagement mechanism 330 is the unevenness of the flexible rack 610. Start idling on the surface. On the other hand, the nozzle head 100 and the first cylinder part 200 continue to move backward.

  Then, as shown in FIG. 16C, when the first cylinder part 200 is completely retracted and comes into contact with the engagement mechanism 330 (or the stopper 320) of the second cylinder part 300, the engagement mechanism The latch 230 starts idling on the uneven surface of the flexible rack 610.

When the flexible rack 610 is further pulled back in the direction of arrow A, both the latch of the engagement mechanism 230 of the first cylinder portion 200 and the latch of the engagement mechanism 330 of the second cylinder 300 remain idle. The nozzle head 100 moves backward, and the cleaning nozzle is completely accommodated as shown in FIG.
As described above, even when the disengagement unit 630 is not provided, the second cylinder unit 300, the first cylinder unit 200, and the nozzle head 100 are sequentially cleaned by the action of the latches of the engagement mechanisms 230 and 330. It can be retracted while passing through the chamber 500.

  In this modified example, when the cleaning nozzle is advanced, first, the second cylinder 300 is advanced together with the first cylinder 200 and the nozzle head 100, and then the engagement mechanism 330 can be latched. The first cylinder portion 200 advances together with the nozzle head 100 while idling on the uneven surface of the flexible rack 610, and then the latches of the engagement mechanisms 230 and 330 idle on the uneven surface of the flexible rack 610, respectively. The nozzle head 100 advances in the state.

  Even when the cleaning nozzle advances in this way, when the nozzle is retracted, if the nozzle is retracted in the order illustrated in FIG. 16 and sufficiently cleaned in the nozzle cleaning chamber 500, the cleaning nozzle is maintained clean. Is possible.

Next, a further modification of this embodiment will be described.
FIG. 17 is a schematic cross-sectional view showing a cleaning nozzle according to a further modification of the present embodiment.

In this modified example, the order of advance / retreat of the cleaning nozzle is controlled using a magnet and a magnetic material instead of the engagement mechanism. That is, the magnet 662 is provided near the base end of the nozzle head 100. Similarly, magnets 664 and 666 are also provided in the vicinity of the base end portions of the first cylinder portion 200 and the second cylinder portion 300.
On the other hand, a magnetic body 652 is provided near the tip of the first cylinder part 200. Similarly, a magnetic body 654 is provided near the tip of the second cylinder part 300. Further, a magnetic body 656 is provided in the vicinity of the proximal end portion of the third cylinder portion 400. These magnetic bodies 652, 654, and 656 can be made of a ferromagnetic body such as cobalt or nickel so as to be attracted to the magnets 662, 664, and 666, for example. In FIG. 17, the sliders 210, 310, and 410 are omitted for convenience, but these sliders can be provided alternately with or adjacent to the magnetic bodies 652, 654, and 656, for example.

  And the order of advance / retreat of the cleaning nozzle can be controlled by adjusting the relationship between attractive force and repulsive force acting between these magnets and magnetic bodies. For example, in the state where the cleaning nozzle is housed as shown in FIG. 17A, a repulsive force acts between the magnet 662 and the magnet 664, and a relatively weak attractive force between the magnet 664 and the magnet 666. When a relatively strong attractive force acts between the magnet 666 and the magnetic body 656, the order of advancement of the cleaning nozzles can be made favorable.

FIG. 18 is a schematic cross-sectional view for explaining the advancing operation of the cleaning nozzle of this modification.
That is, in the state shown in FIG. 18A, a repulsive force acts between the magnet 662 and the magnet 664, a weak attractive force acts between the magnet 664 and the magnet 666, and the magnet 666 and the magnetic body 656. A strong attractive force acts between them. Therefore, when the flexible rack 610 is drawn out in the direction of the arrow F, the nozzle head 100 first starts to advance by the repulsive force acting between the magnet 662 and the magnet 664.

  As shown in FIG. 18B, when the nozzle head 100 is completely advanced, the stopper 120 comes into contact with the first cylinder portion 200 to transmit the driving force. At this time, since the attractive force acting between the magnet 664 and the magnet 666 is weaker than the attractive force acting between the magnet 666 and the magnetic body 656, the second cylinder portion 300 maintains the state of being retracted. Only the first cylinder part 200 starts to advance.

  Then, as shown in FIG. 18C, when the first cylinder part 200 is completely advanced, the stopper 220 comes into contact with the second cylinder part 300, and the driving force is transmitted. Then, the second cylinder portion 300 overcomes the attractive force acting between the magnet 666 and the magnetic body 652 and starts to advance. In this way, the cleaning nozzle extends as shown in FIG.

  On the other hand, when the relationship between the attractive force acting between the magnet 662 and the magnetic body 652 and the attractive force acting between the magnet 664 and the magnetic body 654 is adjusted with the cleaning nozzle extended in this manner, It is possible to favor the order of nozzle retraction.

FIG. 19 is a schematic cross-sectional view for explaining the backward movement operation of the cleaning nozzle according to this modification.
That is, as shown in FIG. 19A, in the state where the cleaning nozzle is extended, the attractive force acting between the magnet 662 and the magnetic body 652 becomes relatively large, and the gap between the magnet 664 and the magnetic body 654 is relatively large. It adjusts so that the attractive force which acts on becomes relatively small. At this time, since the magnet 666 is far from both the magnet 664 and the magnetic body 656, almost no attractive force or repulsive force acts.

In this state, when the flexible rack 610 is pulled back in the direction of arrow A, the attractive force acting between the magnet 662 and the magnetic body 652 and the attractive force acting between the magnet 664 and the magnetic body 654 are: The first cylinder part 200 and the second cylinder part 300 together with the nozzle head 100 start to retract.
Then, as shown in FIG. 19B, the second cylinder part 300 comes into contact with a stopper (not shown) of the third cylinder part 400. At this time, since the attractive force acting between the magnet 662 and the magnetic body 652 is relatively large, the attractive force acting between the magnet 664 and the magnetic body 654 is overcome and separated, and the first cylinder portion 200 is separated. Start retreating.

  Then, as shown in FIG. 19C, when the first cylinder part 200 is retracted to the rear end, the nozzle head 100 starts to retract by overcoming the attractive force acting between the magnet 662 and the magnetic body 652. To do. In this way, the cleaning nozzle is completely accommodated as shown in FIG.

  As described above, by appropriately arranging magnets and magnetic bodies in the nozzle head 100 and the first to third cylinder portions 200, 300, and 400, the cleaning nozzle can be advanced and retracted in a predetermined order. it can.

  In addition, the arrangement relationship of the magnets and the magnetic bodies and the relationship between the attractive force and the repulsive force acting between them are only examples. That is, in order to advance the cleaning nozzle in order from the inner element, the action of maintaining the outer element in the stored state in the state in which the cleaning nozzle is stored may be relatively increased. For example, in the case of this modified example, in the state in which the cleaning nozzle is stored, the force for maintaining the second cylinder unit 300 in the stored state is the largest, and the first cylinder unit 200 is maintained in the stored state. The force to be applied is smaller than that, and the force to keep the nozzle head 100 in the retracted state is the smallest, or conversely, the force to advance the nozzle head 100 may be applied. .

  On the other hand, when the cleaning nozzle moves backward from the extended state, the action of maintaining the inner element in the extended state may be relatively increased in order to move backward from the outer element in order. For example, in the case of this modified example, the force for maintaining the nozzle head 100 in the extended state is greatest when the cleaning nozzle is extended, and the force for maintaining the first cylinder portion 200 in the extended state. Is smaller than that, and the force for maintaining the second cylinder portion 300 in the extended state may be the smallest or the force for retracting the second cylinder portion 300 may be applied.

  As described above, the cleaning nozzle can be advanced and retracted in a predetermined order by appropriately adjusting the attractive force / repulsive force using a magnet and a magnetic material.

Next, cylinder portions, sliders, stoppers, and the like that can be provided in the present embodiment will be described in more detail with reference to specific examples.
FIG. 20 is a schematic view illustrating the cross-sectional structure of the cleaning nozzle in the housed state.
FIG. 21 is a partial sectional view of the vicinity of the tip of the cleaning nozzle.
FIG. 22 is a partial cross-sectional view of the vicinity of the base end of the cleaning nozzle.

  In this specific example, the nozzle head 100 and the first to third cylinder portions 200, 300, and 400 are made of a metal cylindrical body. However, the nozzle head 100 is not necessarily made of metal, and may be formed of, for example, a resin.

  When the nozzle head 100 and the first to third cylinder portions 200, 300, and 400 are formed of metal, sufficient mechanical strength can be obtained even if the wall thickness is reduced. Therefore, a multistage nozzle is formed. In addition, an increase in the thickness of the nozzle portion can be suppressed. In addition, scratches and deformation are unlikely to occur on the surface, and a smooth slide operation can be maintained even if the advancement / retraction operation is repeated for a long period of time. As the metal material, for example, stainless steel or aluminum whose surface is anodized is advantageous as a material for a cleaning nozzle of a sanitary cleaning toilet seat device in that rust is hardly generated and cleanliness can be maintained for a long time.

  In addition, you may coat a film, a coating layer, etc. on the surface of the nozzle head 100 or the 1st thru | or 2nd cylinder parts 200 and 300. FIG. For example, if a film made of resin or the like is coated, it is difficult to get dirt, rust is hardly generated, and a sliding operation can be performed smoothly. The same effect can be expected even when a coating layer containing ceramics is coated.

  On the other hand, also in this specific example, the nozzle head 100 and the first to third cylinder portions 200, 300, and 400 are not in direct contact with each other, and are substantially ring-shaped sliders 210, 310, and 410 made of resin or the like. And it is slidable in a state of being supported by the stoppers 120, 220, and 320. That is, the sliders 210, 310, and 410 are provided inside the vicinity of the tips of the first to third cylinder portions 200, 300, and 400, respectively. Further, the stoppers 120, 220, and 320 are provided so as to protrude in the circumferential direction at the base end portions of the nozzle head 100 and the first and second cylinder portions 200 and 300, respectively. Therefore, for example, the nozzle head 100 is slidably supported while being in contact with the stopper 120 and the slider 210, and does not directly contact the first cylinder portion 200. Similarly, the first cylinder portion 200 is slidably supported while being in contact with the stopper 220 and the slider 310, and does not directly contact the second cylinder portion 300. The second cylinder part 300 is also slidably supported in contact with the stopper 320 and the slider 410 without contacting the third cylinder part 400 directly.

  When the nozzle head 100 and the first to third cylinder portions 200, 300, and 400 are made of metal, sliding resistance increases when these members are slid in a state of being in direct contact with each other, and scratches or abnormal noises are generated. Etc. are also likely to occur. Further, if the gap between the members is too large to prevent this, water or the like easily enters from the outside.

  On the other hand, in this specific example, these metallic members are not brought into direct contact with each other, but are slidably supported by the sliders 210, 310, 410 made of resin and the stoppers 120, 220, 320, Sliding resistance can be reduced, scratches and the like can be prevented, and entry of water and the like from the outside can be suppressed.

The sliders 210, 310, 410 and the stoppers 120, 220, 320 also have a role of determining the stroke ends of the nozzle head 100 and the first and second cylinder parts 200, 300. That is, in the stored state, as shown in FIG. 4, the stoppers are in contact with each other. That is, the retreat limit of the nozzle head 100 and the first and second cylinder parts 200 and 300 is regulated by these stoppers 120, 220 and 320.
Further, as will be described below with reference to FIG. 8 and the like, when the nozzle head 100 and the first and second cylinder parts 200 and 300 advance, the sliders 210, 310, and 410 and the stoppers 120, 220, and 320 Abut. That is, the advance limit is regulated by the sliders 210, 310, 410 and the stoppers 120, 220, 320.

  On the other hand, in this specific example, a narrowed portion T having a substantially tapered outer diameter is provided in the vicinity of the tips of the first to third cylinder portions 200, 300, and 400. A fold-in part C that is bent toward is provided.

  By providing such a throttle portion T and a folding portion C, it is possible to suppress intrusion of water, foreign matter, and the like from the tips of the cylinder portions 200, 300, and 400. Further, even if a foreign substance or the like adheres to the outer wall of the cylinder portion, it can be easily removed along with the sliding operation. Furthermore, when wiping and cleaning the cleaning nozzle, a dust cloth or the like can be smoothly wiped without being caught on the tip of the cylinder portion, and there is no fear of injury to the hand or the like.

  FIG. 23 is a schematic perspective view showing an example of a slider provided in this example. That is, this figure is a perspective view of the sliders 210, 310, 410 as viewed from the front end side of the cleaning nozzle.

  FIG. 24 is a schematic perspective view of a stopper provided in this example. This figure is also a perspective view of the stoppers 120, 220, and 320 as viewed from the front end side of the cleaning nozzle.

  The sliders 210, 310, and 410 have their inner peripheral wall surfaces 210S, 310S, and 410S slidably in contact with the nozzle head 100 or the cylinder units 200 and 300 provided on the inner side thereof. If the inner peripheral wall surfaces 210S, 310S, and 410S are partially inflated inward and the apexes of the inner peripheral wall surfaces 210S, 310S, and 410S are slidably brought into contact with the nozzle head 100 or the cylinder portions 200 and 300, the chlorinated components of the washing water are solidified. Thus, the problem of sticking of the sliders 210, 310, 410 and the nozzle head 100 or the cylinder parts 200, 300 can be suppressed.

  On the other hand, the stoppers 120, 220, and 320 have extended portions 121, 221, and 321 that protrude in the circumferential direction on the base end side. The outer peripheral wall surfaces 121S, 221S, and 321S of the extended portions 121, 221 and 321 are slidably brought into contact with the cylinder portions 200, 300 and 400 provided on the outer sides thereof.

  As a material of the sliders 210, 310, and 410, for example, PET (polyethylene terephthalate) can be used. Further, as a material of the stoppers 120, 220, and 320, for example, POM (polyoxymethylene / polyacetal resin) can be used. By using these materials, for example, it becomes easy to slidably contact and support the nozzle head 100 made of stainless steel, the cylinder portions 200 and 300, and the like.

  Further, the sliders 210, 310, 410 are provided with recesses 212, 312, 412 that open toward the base end side of the cleaning nozzle. On the other hand, the stoppers 120, 220, and 320 are provided with protruding portions 122, 222, and 322 in which the extended portions 121, 221, and 321 protrude toward the tip of the cleaning nozzle. In the state where the cleaning nozzle is extended, the recesses 212, 312 and 412 of the slider and the protrusions 122, 222 and 322 of the stopper engage with each other, so that the nozzle head 100 and the cylinders 200, 300 and 400 rotate. Can be prevented.

  On the other hand, the extended portions 121, 221, 321 of the stoppers 120, 220, 320 are provided with recesses 124, 224, 324. As will be described in detail below, the recesses 124, 224, and 324 engage with an engagement strip formed on a cylinder portion provided on the outside thereof, and the rotation of the cleaning nozzle in the retracted state and the advance / retreat operation. Has a role to prevent.

FIG. 25 is a partially transparent perspective view showing the positional relationship between the first and second cylinder portions 200 and 300 in the housed state. That is, this figure is a perspective view of these cylinder portions as viewed from the base end side.
A stopper 220 is provided on the first cylinder portion 200 disposed on the inner side. In addition, a slider 310 is provided in the second cylinder part 300 disposed on the outside. The first cylinder part 200 is slidably supported while being in contact with the slider 310 and the stopper 220.

  Further, the second cylinder portion 300 is provided with an engaging strip 304 in parallel with the sliding direction. The engaging strip 304 protrudes in the direction of the central axis of the cylinder 300 and engages with a recess 224 provided in the stopper 220. A similar engagement strip is also provided in the first cylinder 200, but is not shown in FIG. 25 for simplification.

  The second cylinder portion 300 slides with the engagement strip 304 and the recess 224 engaged. Thus, by engaging the engaging strip 304 provided in the second cylinder 300 with the recess 224 provided in the stopper 220 inside thereof, the cylinder 300 in the retracted state and in the advance / retreat operation. Can be prevented. As a result, it is possible to prevent displacement in the water discharge direction from the water discharge port 150 provided in the nozzle head 100, and to always discharge water in a certain direction.

FIG. 26 is a partially transparent perspective view showing the positional relationship between the first and second cylinder portions 200 and 300 in the extended state.
FIG. 27 is a partially enlarged view of FIG. These drawings are perspective views of the cylinder portion viewed from the base end side.
Even in the state where the first cylinder part 200 has advanced to the stroke end, the engaging strip 304 provided in the second cylinder part 300 and the recess 224 provided in the stopper 220 are in an engaged state. Further, the recess 312 provided in the slider 310 and the protrusion 222 provided in the stopper 220 are engaged. As a result, the relative rotation of the cylinder portions 200 and 300 is further prevented.

  In this way, in the state where the cleaning nozzle is extended, the rotation can be prevented more firmly, for example, when the cleaning nozzle is cleaned, the rotation can be prevented. That is, when cleaning the cleaning nozzle, it may be wiped with a rag or the like in a state where it has advanced to the stroke end. At this time, a force may act on the cleaning nozzle in the rotational direction. On the other hand, in this specific example, the engagement nozzle 304 and the recess 224 are engaged, and further, the recess 312 and the protrusion 222 are engaged, thereby firmly preventing rotation of the cleaning nozzle. be able to. As a result, even if the cleaning nozzle is cleaned, it is possible to prevent deviation in the water discharge direction, and water can always be discharged in a certain direction.

Next, the water discharge mechanism of the nozzle head 100 in this specific example will be described.
28A and 28B are schematic cross-sectional views illustrating two specific examples of the internal structure of the nozzle head 100 of this specific example.
In the vicinity of the tip of the nozzle head 100, for example, a first water outlet 150A, a second water outlet 150B, and a third water outlet 150C are provided. These spouts can be appropriately used for various purposes such as normal “wet cleaning”, “soft mode” “wet cleaning”, and “bide cleaning”. That is, by appropriately adjusting the structures, opening diameters, water discharge directions, and the like of the water discharge ports 150A to 150C, various water flows according to the user's preference and application can be used properly.

These water outlets 150A to 150C are connected to the switching mechanism 160 through a water passage. The switching mechanism 160 has a stator 162 and a rotor 164. The stator 162 is provided with a plurality of water outlets corresponding to the number of water outlets, and supplies water to the water outlet 150A via the water passage 152, for example. In FIG. 28, only the water flow path 152 connected to the water discharge port 150A is shown, but water flow paths 154 and 156 reaching the water discharge ports 150B and 150C are also provided in the stator 162 through a path not shown. It communicates with each water outlet.
On the other hand, on the upstream side of the stator 162, a rotor 164 is provided adjacent thereto. The rotor 164 is provided with a single water inlet 166. The rotor 164 is connected to the output shaft 172 of the motor 170 and rotates, and has a role of supplying water from a water flow port 166 provided in the rotor 164 to any of a plurality of water flow ports provided in the stator 162. Water supplied from the water supply tube 180 (see FIG. 9) is supplied to the distribution chamber 184 through the water passage 182. The water introduced into the distribution chamber 184 is guided to one of the first to third water outlets 150A to 150C through the water outlet of the stator 162 selected by the rotation of the rotor 164, and discharged. In addition, by adjusting the rotation angle of the rotor 164, the opening of the water passage opening of the stator 162 can be changed to control the amount of water.

  On the other hand, a partition plate 174 is provided between the distribution chamber 184 and the motor 170, and a waterproof structure is formed by the Y packing 176. That is, when viewed from the partition plate 174, the motor 170 side is in an air atmosphere, and water leakage to the motor 170 can be reliably prevented.

According to this specific example, by appropriately rotating the rotor 164, one of the first to third water outlets 150A to 150C is selected and discharged, and the water pressure (or water amount) is set to a desired level. Can be adjusted to.
According to this specific example, by incorporating the switching mechanism 160 and the motor 170 in the nozzle head 100, the number of water supply tubes 180 connected to the nozzle head 100 can be reduced to one. That is, only one water supply tube 180 can be provided in the cleaning nozzle. As a result, the multistage cleaning nozzle can be smoothly advanced and retracted without being interfered with the water supply tube.

Here, when the two specific examples shown in FIGS. 28A and 28B are compared, in the case of the specific example shown in FIG. 28A, the water passage 182 is provided at the upper part of the nozzle head 100. In the case of the specific example shown in b), the water passage 182 is provided below the nozzle head 100.
Here, the flow path of water in the nozzle head 100 will be described. In the case of the specific example shown in FIG. 28, the water supplied via the water passage 182 flows into the distribution chamber 184 downward. Then, the water passes through the water flow port 166 of the rotor and the water flow port of the stator 162, flows further downward in the water flow path 152, flows upward, and is discharged from the water discharge port 150 </ b> A.

  Here, the reason why the water flow path 152 is formed downward at one end is to control the water flow, the discharge angle, and the like of water discharged from the water outlet 150A. That is, in order to control the water flow and the angle of the water discharged from the water outlet 150A, the water flow path 152 is directed downward at one end, and a water channel using the thickness in the height direction of the nozzle head 100 as much as possible is formed. Is desirable. On the other hand, it is difficult to form all of the plurality of water holes provided in the stator 162 at the lower end of the nozzle head 100. Therefore, it is necessary to provide a downward flow path in each water flow path from the water flow opening provided in the stator 162 to the water discharge openings 150A to 150C.

  In the case of the specific example shown in FIG. 28B, the water supplied via the water passage 182 flows into the distribution chamber 184 upward. Then, after passing through the water flow port 166 of the rotor and the water flow port of the stator 162, in the water flow path 152, on the contrary, after flowing downward, it flows upward and is discharged from the water discharge port 150 </ b> A. That is, since it flows upward from one end of the water passage 182 and then flows downward in the water passage 152, the direction of the water flow changes up and down in a crank shape. However, when the direction of water flow changes in a crank shape in this way, the pressure loss increases, and the water discharge pressure from the water discharge port 150A tends to decrease.

  On the other hand, in the specific example of FIG. 28A, the water supplied through the water passage 182 flows downward into the distribution chamber 184. Then, the water passes through the water flow port 166 of the rotor and the water flow port of the stator 162, flows further downward in the water flow path 152, flows upward, and is discharged from the water discharge port 150 </ b> A. That is, the water flow from the water passage 182 to the lowest point of the water passage 156 is substantially downward, and the direction of the water flow does not change in a crank shape. For this reason, compared with the specific example shown in FIG. 28B, the pressure loss is reduced, and the water discharge pressure from the water discharge port 150A can be increased.

  As described above, when the pressure loss due to the direction of water flow is taken into consideration, as illustrated in FIG. 28B, the water passage 182 is illustrated in FIG. 28A rather than disposed below the nozzle head 100. As described above, it is advantageous to dispose the water passage 182 above the nozzle head 100. For this reason, it is more advantageous to arrange the water supply tube 180 disposed inside the cleaning nozzle above the cleaning nozzle as illustrated in FIG. In other words, in the cleaning nozzle, if the flexible rack 610 is provided below and the water supply tube 180 is provided above, the effect of reducing the pressure loss of the water flow in the nozzle head 100 can be obtained.

  Next, the whole structure of the sanitary washing toilet seat apparatus of this embodiment is demonstrated.

FIG. 29 is a schematic view of the sanitary washing toilet seat device according to the first specific example of the present invention as viewed from above.
That is, this sanitary washing toilet seat device has a sanitary washing toilet seat device main body 800 installed on a flat surface 900F on the upper rear side of the sitting toilet 900. The sanitary washing toilet seat main body 800 is provided with a toilet seat 810 and a toilet lid 820. In addition, a seating sensor 830 that detects the presence of a user sitting on the toilet seat 810 is appropriately provided.

FIG. 30 is a schematic perspective view showing a state in which the toilet seat 810 and the toilet lid 820 of the sanitary washing toilet seat device of this example are removed.
The sanitary washing toilet seat device body 800 of this specific example is a device that allows a user to wash water while spraying water while sitting on the toilet seat 810, and is widely used as a trade name “Washlet”. It has the same function as that. The sanitary washing toilet seat device main body 800 also includes, for example, a “warm air drying function” for drying a wet “buttock”, a “toilet seat heating function” for warming the toilet seat 810, and a “deodorizing function for removing odors in the sitting toilet” Or the like. It is also possible to provide an “automatic opening / closing function” that automatically opens the toilet lid 820 upon detection of the approach of the user and automatically closes the toilet lid 820 when the user disappears. These functions can be executed and set by appropriately operating an operation unit (not shown) provided in the sanitary washing toilet seat main body 800, and a remote control (not shown) installed on the wall surface of the toilet or the like can be used. It is also possible to execute it by operating.

  Furthermore, an “automatic water washing function” that allows washing water to flow to the sitting toilet 900 by a remote control operation or the like may be added to the sanitary washing toilet seat apparatus body 800. This is a function of providing a drive mechanism for operating the drainage mechanism of the low tank 920 and the flush valve, outputting a signal for operating the drive mechanism from the sanitary washing toilet seat apparatus body 800, and automatically flowing the washing water to the sitting toilet 900. It is.

  In this specific example, the sanitary washing toilet seat device body 800 is installed on the flat surface 900F at the upper rear of the flush toilet seat 900, and its front surface 805 is curved along the shape of the opening of the bowl 910 of the seat toilet 900. Yes. Here, “rear” means a side on which a normal low tank 920, a flash valve, and the like are installed, as shown in FIG. 29, and means a side far from the user in a normal use mode. And the extension part 800P extended toward the front is provided in the left and right of this curved front surface 805. In addition, the curved front surface 805 is provided with an opening 807 for taking in and out a cleaning nozzle for cleaning “wet”. A closing plate 825 is provided in the opening 807, and the cleaning nozzle is accommodated on the back side of the closing plate 825.

FIG. 31 is a schematic diagram showing a sanitary washing toilet seat device according to a second specific example of the present invention.
That is, in this specific example, the front end of the sanitary washing toilet seat apparatus body 800 is linear, and extends over the bowl 910 of the seat stool 900 so as to cover a part thereof as indicated by the broken line A. Is provided. When the sanitary washing toilet seat main body 800 extends to the bowl 910 in this way, the back side is easily soiled by “bounce” from the accumulated water, etc. It becomes easy to splash small water on.

  On the other hand, in the first specific example, as shown in FIGS. 29 and 30, the sanitary washing toilet seat device body 800 slightly extends to the bowl 910. As a result, it is difficult to get dirty, and it is difficult for small water to be applied to men's small use. Further, it is possible to save the trouble of removing the sanitary washing toilet seat apparatus main body 800 from the sitting toilet 900 at the time of cleaning, and cleaning becomes extremely easy. In addition, the toilet device can be provided with a comfortable and comfortable feeling to use, giving the user a feeling of cleanliness and hygiene with a clean appearance and good appearance.

FIG. 32 is a perspective view illustrating the internal configuration of the sanitary washing toilet seat device body 800 of the first specific example.
That is, the cleaning nozzle described above with reference to FIGS. 1 to 28 is provided near the center of the sanitary cleaning toilet seat apparatus body 800. A storage pipe 612 for storing the flexible rack 610 is provided behind the cleaning nozzle. Further, on the right side of the cleaning nozzle, a hot air drying device 870 is provided, and hot air can be blown to a user's “buttock” or the like through a closing plate 804 that is openable and closable. Furthermore, a deodorizing device 850 is provided on the right side. In the case of this specific example, a part of the deodorizing device 850 protrudes and is accommodated in the right extension 800P.

  On the other hand, on the left side of the cleaning nozzle, a water channel system 860 for supplying hot water to the cleaning nozzle is provided. The water channel system 860 includes, for example, a valve unit 862, a heat exchange unit 863, a flow control unit 864, and the like. A control board 880 is built in front of these water channel systems 860. The control board 880 has an electric circuit for controlling each part of the sanitary washing toilet seat device. By providing the control board 880 on the water channel system 860, it is possible to prevent a short circuit or an electric leakage even in the event of condensation or a leak. And the limited accommodation space can be utilized effectively by projecting the control board 880 to the extension part 800P on the left side.

  The cleaning nozzle described above with reference to FIGS. 1 to 28 is built behind the closing plate 825 in the housed state. The closing plate 825 is normally biased to a position where the opening 807 is closed by a spring (not shown) or the like. When the cleaning nozzle advances, the cleaning nozzle is pushed by the cleaning nozzle and opens against the urging force. Alternatively, the closing plate 825 may be opened and closed using an actuator or the like.

  According to this specific example, by making the cleaning nozzle multi-stage, in the storage state, it can be stored compactly in the sanitary cleaning toilet seat device body 800, while the user's “tail” and the like are cleaned, The surface of the nozzle head 100 and the cylinder parts 200 and 300 can be cleaned evenly. In particular, in this specific example, the front surface of the sanitary washing toilet seat apparatus main body 800 does not cover the bowl 910 and recedes substantially continuously with the curved side wall surface of the opening of the bowl 910 or backward (in a direction away from the bowl 910). Provided. Therefore, it is necessary to shorten the depth of the sanitary washing toilet seat device body 800. On the other hand, the cleaning nozzle of this example can be stored compactly by adopting, for example, a three-stage structure, and is built in the sanitary cleaning toilet seat main body 800 with a limited depth. Is possible. Further, by adopting a three-stage cleaning nozzle, the spout at the tip of the cleaning nozzle can be advanced sufficiently far from the front surface 805 of the sanitary cleaning toilet seat apparatus body 800, and the cleaning water can be reliably sprayed on the “buttock” or the like. it can.

  And after use, the body of the washing nozzle can be washed uniformly without sacrificing, and it is possible to provide a sanitary washing toilet seat device that is always clean, saves the trouble of cleaning, and is less prone to malfunction and failure.

In the above, an example of the whole structure of the sanitary washing apparatus of this embodiment was demonstrated.
Next, further modifications of the cleaning nozzle that can be used in this embodiment will be described. In this modification, the water supply tube connected to the nozzle head 100 is bent and brought into pressure contact with the cylinder inner wall or the stopper, thereby generating a frictional force. By doing so, it is possible to apply a driving force for retreating to the cylinder, and to retreat each cylinder portion in a predetermined order.

  FIG. 33 is a schematic cross-sectional view for conceptually explaining the operation of the cleaning nozzle of this modification. In this modification, one end of a water supply tube 180 is connected to the nozzle head 100. Water supplied through the water supply tube 180 is discharged from a water outlet 150 provided in the nozzle head 100. The water supply tube 180 is drawn backward from the second cylinder part 300 through the through holes 225 and 325 of the stoppers 220 and 320 provided in the first and second cylinder parts, respectively, and forward (nozzle head 100). ) And is connected to a water supply end 186 fixed adjacent to the base 700. The water supply tube 180 is formed of a material such as resin having both flexibility and elasticity such as nylon.

  In this modified example, the third cylinder portion 400 described above with reference to FIG. 1 and the like is not provided, but a recess (not shown) provided in the stopper 320 of the second cylinder portion 300 and the base portion 700 are provided. The second cylinder portion 300 is slidably supported with respect to the base portion 700 by fitting with the provided rail portion (not shown).

  When the flexible rack 610 is pulled back in the direction of arrow A from the state where the cleaning nozzle is extended as shown in FIG. 33A, the nozzle head 100 and the water supply tube 180 connected thereto start to move backward. . At this time, since the water supply tube 180 is folded back behind the nozzle, a force is exerted on the bent portion 180R to swell greatly outward. For this reason, the water supply tube 180 is pressed against the inner wall of the through hole 325 of the stopper 320 in the direction of arrow S, and a relatively large frictional force is generated between the water supply tube 180 and the stopper 320. Due to this frictional force, a driving force for retreating can be applied from the water supply tube 180 to the stopper 320. When this frictional force is larger than the frictional force generated between the second cylinder part 300 and the base part 700, the second cylinder part 300 also starts to retract in conjunction with the backward movement of the water supply tube 180. To do. As will be described later, according to the results of the inventor's trial production, the friction force between the water supply tube 180 and the stopper 320 is increased by bending the water supply tube 180 as shown in FIG. It was easy to make it larger than the friction force between the second cylinder part 300 and the base part 700.

  Thus, the driving force for retreating to the second cylinder part 300 is applied using the frictional force generated between the water supply tube 180 and the stopper 320, and the second cylinder part 300 reaches the stroke end. When the vehicle moves backward, the state shown in FIG. At this time, the water supply tube 180 is still bent, and a force is exerted to swell greatly outward. For this reason, the water supply tube 180 is pressed against not only the stopper 320 but also the inner wall of the through-hole 225 of the stopper 220 in the direction of the arrow S.

  When the flexible rack 610 is further pulled back in this state, the second cylinder portion 300 is regulated at the stroke end, so that the water supply tube 180 moves backward while sliding on the inner wall of the through hole 325 of the stopper 320. The friction force generated between the water supply tube 180 and the inner wall of the through-hole 225 of the stopper 220 gives a driving force for moving back to the stopper 220, and this friction force is applied to the first cylinder 200 and the second cylinder 200. When the frictional force generated between the first cylinder portion 300 and the cylinder portion 300 is larger than the first cylinder portion 200, the first cylinder portion 200 also moves backward. Also in this case, according to the result of trial production by the present inventor, the friction force generated between the water supply tube 180 and the stopper 220 by bending the water supply tube 180 is reduced to the first cylinder portion 200 and the second cylinder. It was easy to make it larger than the frictional force generated between the part 300 and the part 300.

  When the first cylinder part 200 moves back to the stroke end and enters the state shown in FIG. 33C, the water supply tube 180 slides on the inner wall of the through hole 225 of the stopper 220 and the through hole 325 of the stopper 320, respectively. As shown in FIG. 33D, the nozzle head 100 moves backward and the cleaning nozzle is completely accommodated.

  As described above, according to this modification, the water supply tube 180 penetrating through the cleaning nozzle is bent to generate a frictional force between the water supply tube 180 and the stoppers 320 and 220, and the second The cylinder part 300, the first cylinder part 200, and the nozzle head 100 can be moved backward in this order. Therefore, the entire outer periphery of these movable parts can be cleaned uniformly in the nozzle cleaning chamber 500.

In this modification, the water supply tube 180 is brought into sliding contact with the inner walls of the through holes 325 and 225 of the stoppers 320 and 220. Instead, the water supply tube 180 is connected to the first and second cylinder portions 200 and 300. You may make it slidably contact with an inner wall.
Further, in this modified example, the water supply tube 180 is bent, but instead, a linear body having both flexibility and elasticity is connected to the nozzle head 100, penetrated through the cleaning nozzle and bent outside. Also good. Such a linear body has the same effect as the water supply tube 180 described with reference to FIG. 33, and slides on the inner walls of the stoppers 220 and 320 or the first and second cylinder portions 200 and 300 to provide a suitable frictional force. Can be generated. As a result, the second cylinder part 300, the first cylinder part 200, and the nozzle head 100 can be moved backward in this order.

  Furthermore, only one water supply tube or linear body that generates the frictional force in this way may be provided, or a plurality of water supply tubes or linear bodies may be provided. As will be described below with specific examples, providing a plurality of water supply tubes or linear bodies is advantageous in that a larger frictional force can be easily obtained.

Next, a specific example of the cleaning nozzle shown in FIG. 33 will be described.
34 and 35 are assembly diagrams of the cleaning nozzle of this example. 34 shows a state before the cleaning nozzle is attached to the base 700, and FIG. 35 shows a state where the cleaning nozzle is attached to the base 700.

  A flow control unit 864 is provided adjacent to the base 700 of the cleaning nozzle. The flow control unit 864 includes a switching valve for switching the water supply path to the nozzle head 100 and the water supply path to the nozzle cleaning chamber 500 and adjusting the water flow, and a flow path for switching the mode of water discharge from the water outlet of the nozzle head 100. A switching valve is built-in. Further, a pulsation generator that pulsates the water flow discharged from the nozzle head 100 may be incorporated. In the case of the specific example shown in FIG. 34, the flow adjustment unit is provided with three water supply ends 186A, 186B, and 186C, to which water supply tubes 180A, 180B, and 180C are connected, respectively. The water supply end 186 </ b> A supplies normal “wet-wash” water discharge. The water supply end 186 </ b> B supplies water for “bidet cleaning”. The water supply end 186 </ b> C supplies “swivel cleaning” water discharge. The “swirl cleaning” is a cleaning mode in which a swirling flow is formed in a cavity formed in the nozzle head 100 and discharged water is spirally discharged from the tip of a rotating body that is rotated by the swirling flow. Further, when the pulsation generating device is also incorporated in the flow adjustment unit 864, vibration is generated. Therefore, when the base 700 and the flow adjustment unit 864 are attached to the inside of the sanitary washing device main body 800, it is preferable to attach them through vibration-proof rubber or the like. .

  On the other hand, rails 710 are provided on both upper sides of the base 700. As will be described in detail later, these rails 710 are fitted into recesses of a stopper 320 provided in the second cylinder part 300, and support the second cylinder part 300 slidably.

  In this specific example, the three water supply tubes 180A, 180B, and 180C are bent and introduced into the cleaning nozzle. By bringing these three water supply tubes into sliding contact with the stoppers of the cleaning nozzles, the backward movement as described above with reference to FIG. 33 can be executed reliably.

36 and 37 are schematic views showing a cross-sectional structure of the cleaning nozzle of this example. That is, FIG. 36 shows a state in which the cleaning nozzle is housed, and FIG. 37 shows a state in which the cleaning nozzle has advanced.
In the second cylinder part 300, the first cylinder part 200 and the nozzle head 100 are accommodated in this order. In a state where the cleaning nozzle is completely accommodated, the tip of the nozzle head 100 is substantially accommodated in the nozzle cleaning chamber 500. A stopper 220 is provided at the rear end of the first cylinder part 200, and a stopper 320 is provided at the rear end of the second cylinder part 300.

FIG. 38 is a schematic view of the rear end of the nozzle head 100 as viewed.
At the rear end of the nozzle head 100, water inlet ends 130A, 130B, and 130C for connecting the water supply tubes 180A, 180B, and 180C are provided, respectively. A water supply tube 180A is connected to the water inlet end portion 130A, and cleaning water for normal “wet cleaning” is supplied. A water supply tube 180B is connected to the water inlet end portion 130B, and cleaning water for “bidet cleaning” is supplied. A water supply tube 180C is connected to the water inlet end portion 130C, and cleaning water for “swivel cleaning” is supplied.

FIGS. 39A and 39B are perspective views of the stopper 220 of the first cylinder part 200 as viewed from two directions.
The stopper 220 is provided with four through holes 225A, 225B, 225C, and 225D. A water supply tube 180A is inserted through the through hole 225A. Further, the water supply tube 180B is inserted through the through-hole 225B, and the water supply tube 180C is inserted through the through-hole 225C. A flexible rack 610 is inserted through the through-hole 225D.

  When the water supply tubes 180A to 180C are in sliding contact with the inner walls of the through holes 225A to 225C, the frictional force as described above with reference to FIG. 33 is generated, and the first cylinder portion is interlocked with the retreat of the water supply tubes 180A to 180C. 200 can be retracted.

FIGS. 40A and 40B are perspective views of the stopper 320 of the second cylinder unit 300 as viewed from two directions.
At the rear end of the second cylinder portion 300, a notch 300S that opens in a direction in which the water supply tubes 180A to 180C are bent is provided. A stopper 320 is provided around the notch 300S. The stopper 320 has a single through hole 325. All of the three water supply tubes 180 </ b> A to 180 </ b> C and the flexible rack 610 are inserted through the through-hole 325 as appropriate. Of the three bent water supply tubes 180A to 180C, in particular, the water supply tubes 180A and 180B are in sliding contact with the inner wall of the through-hole 325, so that the frictional force described above with reference to FIG. The second cylinder part 300 can be retracted in conjunction with the retreat of 180A and 180B.

  A pair of opposing recesses 326 are provided below the stopper 320. These recesses 326 are fitted to rails 710 (see FIG. 34) provided in the base 700, and support the second cylinder 300 slidably.

FIG. 41 is a schematic view of the nozzle cleaning chamber 500 viewed from the front.
FIG. 42 is a schematic view of the nozzle cleaning chamber 500 as viewed obliquely from above.

  The nozzle cleaning chamber 500 in this specific example is the same as that shown in FIGS. 1, 3, and 4 in that the lower portion is opened, but the front surface surrounds the entire circumference of the cleaning nozzle. 1, 3 and 4 are different. Furthermore, near the tip of the nozzle cleaning chamber 500, support bodies 550 are provided on both the left and right sides.

FIG. 43 is a perspective view of the support 550.
These supports 550 can be attached to both sides of the nozzle cleaning chamber 500 by, for example, snap fitting. And these support bodies 550 have the effect | action which supports the 2nd cylinder part 300 from both sides in the state which the washing nozzle extended, and prevents the blurring of the left-right direction. For example, when pulsating water is discharged from the nozzle head 100, the cleaning nozzle may vibrate. In such a case, when the support body 550 is formed of an elastic body such as rubber, vibration is absorbed and a vibration isolation effect is obtained.

  On the other hand, in this specific example, a prevention wall 720 extending forward from the base 700 is provided. The prevention wall 720 closes the rear of the lower opening of the nozzle cleaning chamber 500, and has a role of preventing the cleaning water discharged in the nozzle cleaning chamber 500 from splashing inside the sanitary cleaning device body 800. Further, for example, when small water or the like enters from the front of the nozzle cleaning chamber 500, the prevention wall 720 can prevent the small water or the like from entering the rear side of the sanitary washing apparatus body 800. .

44 to 47 are schematic views showing the backward movement of the cleaning nozzle of this example.
FIG. 44 shows a state in which the cleaning nozzle attached to the case plate 801 of the sanitary cleaning device main body 800 is completely extended. In this state, the three water supply tubes 180A to 180C connected to the three water supply end portions 186A to 186C are bent greatly and drawn into the second cylinder portion 300. Of these three water supply tubes, particularly, the water supply tubes 180A and 180B located outside the bent portion are strongly pressed against the inner wall of the through-hole 325 of the stopper 320 of the second cylinder portion 300 to generate a large frictional force. . Therefore, when the flexible rack 610 is pulled back for the backward movement, the second cylinder part 300 also starts to move in conjunction with the backward movement of the water supply tubes 180A and 180B.

  In addition, as the 1st cylinder part 300 reverse | retreats, the contact state of the inner wall of the through-hole 325 of the stopper 320 and the water supply tubes 180A and 180B changes little by little. For example, as shown in FIG. 45, in the state where the first cylinder part 300 is retracted to the stroke end, the water supply tubes 180A and 180B can be made to hardly contact the inner wall of the through hole 325 of the stopper 320. . In such a case, almost no frictional force is generated between the water supply tubes 180A and 180B and the stopper 320. However, at this time, a frictional force is generated between the water supply tubes 180 </ b> A to 180 </ b> B and the stopper 220 of the first cylinder part 200, and a driving force that moves backward with respect to the first cylinder part 200 is transmitted. Thus, when the 1st cylinder part 200 reverse | retreats, rather than the frictional force between the 1st cylinder part 200 and the 2nd cylinder part 300, it is between the 2nd cylinder part 300 and the base 700. If the frictional force is smaller, the second cylinder part 300 also moves backward in conjunction.

  Then, as shown in FIG. 45, when the second cylinder part 300 is retracted to the stroke end, the water supply tubes 180 </ b> A and 180 </ b> B continue to retract further while sliding on the inner wall of the through-hole 325 of the stopper 320. Also at that time, since the water supply tubes 180A to 180C are largely bent, a force to swell outward acts, and each of the through holes 220A to 220C (see FIG. 39) of the stopper 220 of the first cylinder part 200 is applied. The water supply tubes 180A to 180C are in pressure contact with the inner wall to generate a frictional force. In the case of the stopper 220, a frictional force is generated in each of the three through holes 220A to 220C. Therefore, a force for retracting the first cylinder unit 200 from the three water supply tubes 180A to 180C is strongly applied. Can do.

  As shown in FIG. 46, when the first cylinder part 200 moves back to the stroke end, the water supply tubes 180A to 180C continue to move back while sliding on the inner walls of the through holes of the stoppers 320 and 220, as shown in FIG. Then, the nozzle head 100 moves backward, and the cleaning nozzle is completely accommodated.

As described above, the water supply tubes 180 </ b> A to 180 </ b> C are bent and brought into sliding contact with the stopper, whereby the second cylinder portion 300, the first cylinder portion 200, and the nozzle head 100 can be moved backward in this order.
For example, even when the frictional force between the water supply tubes 180A to 180C and the stopper 320 is somewhat small, the frictional force between the nozzle head 100 and the first cylinder part 200, the first cylinder part 200, and the first cylinder part 200 If the friction force between the second cylinder portion 300 and the second cylinder portion 300 is larger than the friction force between the second cylinder portion 300 and the base portion 700, the first cylinder portion 200 and The second cylinder part 300 can be retracted. That is, in this specific example, it is also possible to use such a magnitude relationship of the frictional force between the elements.

  For example, the frictional force between the nozzle head 100 and the first cylinder part 200 and the frictional force between the first cylinder part 200 and the second cylinder part 300 are such that the cleaning nozzle is fully extended. It is easy to strengthen. For example, as described above with reference to FIGS. 26 and 27, a stronger frictional force can be obtained by engaging the concave portion of the slider and the convex portion of the stopper in the extended state. That is, when the cleaning nozzle is retracted from the fully extended state as described above, it is easier to sequentially retract from the second cylinder portion 300. Therefore, for example, when the cleaning nozzle is retracted, once it is completely extended and then retracted, it is easier to retract the second cylinder part 300, the first cylinder part 200, and the nozzle head 100 in this order. It may become.

  The embodiments of the present invention have been described above with reference to specific examples. However, the present invention is not limited to these specific examples. For example, even if the shape, structure, number, arrangement relationship and the like of the nozzle head and cylinder portion are changed, they are included in the scope of the present invention as long as the gist of the present invention is provided. For example, the third cylinder part 400 may be slid with respect to the base part 700 so that the second cylinder part 300 is completely exposed from the nozzle cleaning chamber 500 in the advance direction when the cleaning nozzle advances.

  Further, the features described above with reference to FIGS. 1 to 32 can be combined in any technically possible range, and the sanitary washing toilet seat device and the toilet device obtained by these combinations are also included in the present invention. Insofar as the gist is included, it is included in the scope of the present invention.

  Moreover, those skilled in the art will appropriately change the design of each element such as a deodorizing device, a warm air drying device, a seating sensor, a housing, a remote controller, a sitting toilet, and a low tank included in the sanitary washing toilet seat device and toilet device of the present invention. As long as the present invention can be implemented in the same manner and the same effects can be obtained, the scope of the present invention is also included as long as the gist of the present invention is included.

  In addition, based on the sanitary washing toilet seat device and toilet device described above as an embodiment of the present invention, all sanitary washing toilet seat devices and toilet devices that can be implemented by those skilled in the art with appropriate design changes are similarly included in the scope of the present invention. Belonging to.

It is a model perspective view of the washing nozzle part provided in the sanitary washing toilet seat device of an embodiment of the invention. FIG. 6 is a schematic partial cross-sectional view illustrating a backward movement operation of a cleaning nozzle. It is a schematic diagram which illustrates the structure of a nozzle cleaning chamber. (A) And (b) represents the modification of the nozzle washing room 500, and all correspond to the AA line sectional view of Drawing 3 (a). It is a partially cut perspective view which illustrates the structure of the drive part 600 of the washing nozzle part of the specific example of this invention. It is a schematic diagram which illustrates the arrangement | positioning relationship between the disengagement part 630 and the flexible rack 610, The figure (a) is the fragmentary top view seen from the top, The figure (b) is the A direction of the figure (a). It is the side view seen from. It is a schematic cross section showing the state where the washing nozzle was stored in this example. It is a typical fragmentary sectional view showing the state where the washing nozzle extended. It is the model which illustrates the structure of the engagement mechanism 330, The figure (a) is the front view seen from the nozzle front end side, (b) is the sectional view on the AA line of the figure (a), (c). These are sectional views taken along the line BB of FIG. It is a schematic diagram for demonstrating the advance operation | movement of the washing nozzle of this example. It is a schematic diagram for demonstrating the advance operation | movement of the washing nozzle of this example. FIG. 6 is a partially enlarged cross-sectional view illustrating a change in an engagement state accompanying the movement of the first cylinder part 200. It is a schematic diagram for demonstrating the backward movement operation | movement of the washing nozzle of this example. It is a schematic diagram for demonstrating the backward movement operation | movement of the washing nozzle of this example. 4 is a partially enlarged cross-sectional view illustrating a change in the state of the engagement mechanism 330 accompanying the movement of the second cylinder unit 300. FIG. It is a schematic cross section showing retreat operation of the washing nozzle concerning the modification of this embodiment. It is a schematic cross section showing the washing nozzle concerning the further modification of this embodiment. It is a schematic cross section for demonstrating the advance operation | movement of the washing nozzle of a 2nd modification. It is a schematic cross section for demonstrating receding operation of the washing nozzle of the 2nd modification. It is a schematic diagram which illustrates the cross-section of the washing nozzle in the storage state. It is a fragmentary sectional view near the front-end | tip of a washing nozzle. It is a fragmentary sectional view near the base end of the cleaning nozzle. It is a model perspective view of the slider provided in this example. It is the perspective view which looked at slider 210,310,410 from the front end side of the washing nozzle. It is a schematic diagram showing the arrangement | positioning relationship of the 1st and 2nd cylinder parts 200 and 300 in the accommodation state. It is a partially transparent perspective view showing the arrangement relation of the 1st and 2nd cylinder parts 200 and 300 in an extended state. FIG. 27 is a partially enlarged view of FIG. 26. (A) And (b) is a schematic cross section which illustrates two specific examples of the internal structure of the nozzle head 100 of this specific example. It is the schematic diagram which looked at the sanitary washing toilet seat apparatus concerning embodiment of this invention from upper direction. It is a model perspective view showing the state which removed the toilet seat 810 and the toilet lid 820 of the sanitary washing toilet seat apparatus of this example. It is a schematic diagram showing the sanitary washing toilet seat apparatus of the 2nd example. 5 is a perspective view illustrating an internal configuration of a sanitary washing toilet seat apparatus body 800. FIG. It is a schematic cross section for explaining conceptually the operation of the washing nozzle of this modification. It is an assembly drawing of the washing nozzle of this example. It is an assembly drawing of the washing nozzle of this example. It is a schematic diagram showing the cross-sectional structure of the washing nozzle of this example. It is a schematic diagram showing the cross-sectional structure of the washing nozzle of this example. FIG. 3 is a schematic view of the rear end of the nozzle head 100 as viewed. It is the perspective view which looked at the stopper 220 of the 1st cylinder part 200 from 2 directions. It is the perspective view which looked at the stopper 320 of the 2nd cylinder part 300 from 2 directions. It is the schematic diagram which looked at the nozzle washing room 500 from the front. It is the schematic diagram which looked at the nozzle washing room 500 from diagonally upward. It is a perspective view of the support body 550. FIG. It is a schematic diagram showing the backward movement operation | movement of the washing nozzle of this example. It is a schematic diagram showing the backward movement operation | movement of the washing nozzle of this example. It is a schematic diagram showing the backward movement operation | movement of the washing nozzle of this example. It is a schematic diagram showing the backward movement operation | movement of the washing nozzle of this example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Nozzle head, 120 Stopper, 121 Expansion part, 121S Outer peripheral wall surface, 122 Protrusion part, 124 Recessed part, 150, 150A-150C Water outlet, 152, 154, 156 Water flow path, 160 Switching mechanism, 162 Stator, 164 Rotor, 166 Water outlet, 170 Motor, 172 Output shaft, 174 Partition plate, 176 Packing, 180, 180A, 180B, 180C Water supply tube, 182 Water passage, 184 Distribution chamber, 186, 186A, 186B, 186C Water supply end, 190 Electric wire harness, 200, 300, 400 Cylinder, 210, 310, 410 Slider, 210S Inner peripheral wall surface, 212, 312 Recess, 220, 320 Stopper, 222, 322 Projection, 224 Recess, 225, 225A, 225B, 225C, 225D Through-hole 230 30 Engagement mechanism, 240, 340 Coil spring, 250, 350 Latch, 300S Notch, 304 Engagement ridge, 325 Through port, 326 Recess, 331 Frame, 332, 334 Through port, 500 Nozzle cleaning chamber, 510 Water passage 520, 522, 526 Water outlet, 530 Through-hole, 550 Support, 600 Drive unit, 610 Flexible rack, 612 Guide unit, 620 Drive unit, 622 Motor, 624 Gear, 630 Disengagement unit, 700 Base, 710 Rail, 720 prevention wall, 800 sanitary washing toilet seat device body, 800P extension, 805 front, 810 toilet seat, 820 toilet lid, 825 closing plate, 830 seating sensor, 850 deodorizing device, 860 water system, 862 valve unit, 863 heat Exchange unit, 864 Flow control unit, 870 Hot air dryer, 88 Control board, 900 rinsing the toilet bowl

Claims (9)

A nozzle head having a spout;
A cylinder part capable of storing at least a part of the nozzle head;
A nozzle cleaning chamber capable of cleaning the nozzle head and the cylinder part;
Drive means for advancing and retreating the nozzle head and the cylinder part;
With
The cylinder portion penetrates the nozzle cleaning chamber in the advanced state,
The drive means is configured to further retract the nozzle head after retreating the nozzle head and the cylinder portion in conjunction with each other when the nozzle head and the cylinder portion are retracted from the advanced state. Sanitary washing toilet seat device. A nozzle head having a spout;
A first cylinder part capable of storing at least a part of the nozzle head;
A second cylinder part capable of storing at least a part of the first cylinder part;
A nozzle cleaning chamber capable of cleaning the nozzle head and the first and second cylinder parts;
Drive means for advancing and retreating the nozzle head and the first and second cylinder parts;
With
The second cylinder portion is located on the advance side from the nozzle cleaning chamber or through the nozzle cleaning chamber in the advanced state,
The drive means is configured to retract the nozzle head and the first and second cylinder portions in conjunction with each other when the nozzle head and the first and second cylinder portions are retracted from the advanced state. A sanitary washing toilet seat device, wherein the nozzle head and the first cylinder part are moved backward together, and then the nozzle head is further moved backward. The driving means includes
A transmission member connected to the nozzle head and transmitting a driving force for moving the nozzle head forward and backward;
First control means for controlling an engagement state between the first cylinder part and the transmission member;
Second control means for controlling the engagement state between the second cylinder part and the transmission member;
Have
When the nozzle head and the first and second cylinder parts are retracted from the advanced state, the first control means maintains the engagement between the first cylinder part and the transmission member, and the second After the control means retracts the nozzle head and the first and second cylinder parts while maintaining the engagement between the second cylinder part and the transmission member, the first control means performs the first operation. The nozzle head and the first cylinder part are maintained in a state in which the engagement between the cylinder part and the transmission member is maintained and the second control means releases the engagement between the second cylinder part and the transmission member. 3. The sanitary washing toilet seat according to claim 2, wherein the sanitary washing toilet seat is further retracted, and then the first control means further retracts the nozzle head in a state where the engagement between the first cylinder portion and the transmission member is released. apparatus.   The first control means includes an engagement member biased with respect to the transmission member, and an engagement release member that exerts an acting force on the engagement member in a direction away from the transmission member. The sanitary washing toilet seat device according to claim 3.   The sanitary washing toilet seat device according to claim 3 or 4, wherein the transmission member is a rack having flexibility.   In a state where the nozzle head and the first and second cylinder parts are retracted, a tip part of the nozzle head protrudes from the first cylinder part and is stored in the nozzle cleaning chamber. The sanitary washing toilet seat device according to any one of claims 2 to 5. A bent water supply tube for supplying water to the nozzle head;
One end of the water supply tube is connected to a water supply end provided outside the cylinder part,
The other end of the water supply tube is connected to the nozzle head through the cylinder part,
2. The sanitary device according to claim 1, wherein the water supply tube slides against the cylinder part to provide the cylinder part with at least a part of a driving force that interlocks the nozzle head and the cylinder part. Cleaning device. A bent water supply tube for supplying water to the nozzle head;
One end of the water supply tube is connected to a water supply end provided outside the first and second cylinder parts,
The other end of the water supply tube is connected to the nozzle head through the first and second cylinder parts,
When the water supply tube is in sliding contact with the second cylinder portion, the second cylinder portion is provided with at least a part of a driving force for retreating the nozzle head and the first and second cylinder portions in conjunction with each other. The sanitary washing device according to claim 2. A sitting toilet,
The sanitary washing toilet seat device according to any one of claims 1 to 8,
A toilet apparatus characterized by comprising:

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