JP7101010B2 - Toilet seat unit and toilet device - Google Patents

Description

The present invention relates to a toilet seat unit and a toilet device using the same.

Patent Document 1 describes a toilet device capable of cleaning the back surface of a toilet seat by discharging a cleaning liquid from a discharge unit (water discharge means) onto the back surface of the toilet seat.

Japanese Unexamined Patent Publication No. 2002-54216

In the toilet device of Patent Document 1, a discharge portion is provided on the back surface of the toilet seat. Therefore, when moving the toilet seat, it is necessary to move the discharge part together. Therefore, when the cleaning liquid remains inside the discharge portion, the load to be applied to move the toilet seat may increase by the weight of the cleaning liquid. Along with this, the usability of the toilet seat is impaired. This is a common problem not only when cleaning the back surface of the toilet seat but also when discharging the cleaning water for cleaning the inner surface of the toilet bowl portion of the toilet bowl body from the discharge portion, and improvement thereof is desired.

Further, even when the toilet seat is detachably attached to the functional device, the same problem occurs when the toilet seat separated from the functional device is moved, and improvement thereof is desired.

A certain aspect of the present invention has been made in view of such a problem, and one of the objects thereof is a technique capable of maintaining the usability of the toilet seat in realizing cleaning of the back surface of the toilet seat and the inner surface of the toilet bowl portion of the toilet bowl body. To provide.

The first aspect of the present invention for solving the above-mentioned problems is a toilet seat unit. The toilet seat unit of the first aspect cleans the functional device installed on the toilet bowl body, the toilet seat movablely or detachably attached to the functional device, and the back surface of the toilet seat or the inner surface of the toilet bowl portion of the toilet bowl body. A discharge unit capable of discharging a cleaning liquid for the purpose is provided, and the discharge unit is provided in the functional device.

According to the first aspect, even if the cleaning liquid remains inside the discharge portion, the weight of the cleaning liquid is not applied to the toilet seat, and the case where the load to be applied to move the toilet seat increases can be avoided. Therefore, the usability of the toilet seat can be maintained in order to clean the back surface of the toilet seat and the inner surface of the toilet bowl portion of the toilet bowl body.

It is a side view of the toilet bowl apparatus of 1st Embodiment. It is a side sectional view of a part of the toilet bowl apparatus of 1st Embodiment. It is the figure which looked at the toilet seat unit of 1st Embodiment from the lower side. It is a figure which shows the positional relationship between the toilet seat unit and the toilet body body of 1st Embodiment. It is a top view of a part of the toilet bowl apparatus of 1st Embodiment. It is a figure which shows the range which the cleaning liquid discharged by the 1st discharge part of 1st Embodiment travels through the 1st pot facing surface of a toilet seat. It is a figure which shows the range which the cleaning liquid discharged by the 2nd discharge part of 1st Embodiment travels through the 1st pot facing surface of a toilet seat. FIG. 2 is a cross-sectional view taken along the line AA of FIG. 9 (a) is an explanatory diagram showing a first specific region, and FIG. 9 (b) is an explanatory diagram showing a second specific region. It is a figure which shows the positional relationship between the inner peripheral side convex part of the toilet seat of 1st Embodiment, and the accumulated water. It is a side sectional view of the 1st discharge part of 1st Embodiment. 12 (a) is a sectional view taken along line BB of FIG. 11, and FIG. 12 (b) is a view of FIG. 12 (a) as viewed from the arrow C. It is explanatory drawing which shows the gradient of the 1st bowl facing surface of the toilet seat of 1st Embodiment. FIG. 13 is a sectional view taken along line DD of FIG. FIG. 15 (a) is a diagram schematically showing the back surface of the toilet seat of the first modification, and FIG. 15 (b) is a diagram schematically showing the back surface of the toilet seat of the first embodiment. (C) is an enlarged view of a part of the back surface of the toilet seat of FIG. 15 (b). It is a front view which looked at the 2nd casing of FIG. 2 from the front. It is a side sectional view of the 2nd casing passing through the 1st discharge part of FIG. It is a figure which shows the other state of the 2nd casing of FIG. It is a perspective view which looked at the structure around the 1st discharge part of FIG. 18 from the lower side. It is a block diagram which shows a part of the function of the toilet bowl apparatus of 1st Embodiment. 21 (a) is a diagram showing a state in which the first discharge operation and the second discharge operation are being executed at the same time, and FIG. 21 (b) is a diagram showing a state in which only the first discharge operation is being executed. 21 (c) is a diagram showing a state in which only the second discharge operation is being executed. FIG. 22A is a diagram showing operating states of the first shutter and the second shutter, and FIG. 22B is a diagram showing other operating states. FIG. 23 (a) is an explanatory diagram showing the back flow of the first seat, and FIG. 23 (b) is an explanatory diagram showing the flow in the first pot. FIG. 24 (a) is an explanatory diagram showing the back flow of the second seat, and FIG. 24 (b) is an explanatory diagram showing the flow in the second pot. It is a figure which shows a part of the EE line cross section of FIG. It is sectional drawing which shows the internal structure of the 3rd discharge part of FIG. It is explanatory drawing which shows the flow in the 3rd pot. It is explanatory drawing which shows the 2nd pot flow and the 3rd pot flow. It is a side sectional view of the 2nd casing passing through the nozzle of 1st Embodiment. FIG. 30 (a) is a diagram schematically showing the cleaning liquid discharged by the first discharge unit of the first embodiment, and FIG. 30 (b) shows the cleaning liquid discharged by the first discharge unit of the second modification. It is a figure which shows schematically. It is an enlarged side view of a part of the toilet seat unit of 1st Embodiment. It is a figure which shows the positional relationship between the toilet seat of 1st Embodiment, and 2nd casing. It is a perspective view of FIG. 32 (b). It is a perspective view of FIG. 32 (c). It is a figure seen from the arrow view F of FIG. It is sectional drawing which shows the part of FIG. 35 enlarged. FIG. 6 is a sectional view taken along line GG of FIG. 36. It is a perspective view of the functional apparatus of 1st Embodiment. It is a figure which shows a part of the toilet bowl apparatus of 2nd Embodiment. It is a figure which shows a part of the toilet seat of the 3rd Embodiment schematically. It is a figure which shows a part of the toilet bowl apparatus of 4th Embodiment schematically. It is a figure which shows a part of the toilet bowl apparatus of 5th Embodiment schematically. It is a side sectional view schematically showing the toilet bowl apparatus of 6th Embodiment. It is another side sectional view schematically showing the toilet bowl apparatus of 6th Embodiment.

Hereinafter, in the embodiments and modifications, the same components are designated by the same reference numerals, and duplicate description will be omitted. Further, in each drawing, for convenience of explanation, some of the constituent elements are appropriately omitted, and the dimensions of the constituent elements are appropriately enlarged or reduced.

(First Embodiment)
(1) The toilet bowl device 10 of the first embodiment will be described. First, the first device of the toilet bowl device 10 will be described. FIG. 1 is a side view of the toilet bowl device 10, and FIG. 2 is a side sectional view of a part thereof.

The toilet device 10 includes a toilet body 14 having a toilet bowl portion 12 at the front portion, and a toilet seat unit 16 attached to the toilet body body 14. In addition to the toilet bowl portion 12, the toilet bowl main body 14 has a rim portion 18 forming a peripheral edge portion of the upper end opening of the toilet bowl portion 12. The toilet seat unit 16 mainly includes a functional device 20 and a toilet seat 22. Hereinafter, the positional relationship of the components of the toilet bowl device 10 will be described using three directions orthogonal to each other. This direction is the front-back direction X, the left-right direction Y, and the up-down direction Z of the toilet bowl main body 14. The front-rear direction X and the left-right direction Y are horizontal directions, and correspond to the front-back and left-right of the seated person sitting on the toilet seat 22 in a normal posture. The vertical direction Z is the vertical direction.

The functional device 20 has a first casing 24 installed at the rear of the toilet bowl main body 14 and a second casing 26 arranged in front of the first casing. FIG. 2 shows only the outline of the cross section of the first casing 24 and the second casing 26.

FIG. 3 is a view of the toilet seat unit 16 as viewed from below. The toilet seat 22 is provided in the central portion of the toilet seat 22 and has a central opening 32 for passing the filth excreted by the seated person. In the present specification, when the toilet seat 22 is viewed from the vertical direction Z, the circumferential direction around the center Cp of the central opening 32 is simply referred to as "circumferential direction", and the radial direction centered on the center Cp is simply "diametrical direction". ". Hereinafter, the central Cp of the central opening 32 of the toilet seat 22 is also simply referred to as “the central Cp of the toilet seat 22”. The central Cp here means the geometric center of gravity of the central opening 32 of the toilet seat 22 when the toilet seat 22 is viewed from the vertical direction Z.

FIG. 4 is a diagram showing the positional relationship between the toilet seat unit 16 and the toilet bowl main body 14. The portion overlapping the inner surface of the toilet bowl portion 12 of the toilet bowl body 14 in the vertical direction Z is indicated by a solid line, and the other portions are indicated by a two-dot chain line. On the back surface, which is the outer surface of the toilet seat 22, a first bowl facing surface 34 facing the inner surface of the toilet bowl portion 12 in the vertical direction Z is provided. The first bowl facing surface 34 is exposed in the internal space of the toilet bowl portion 12, and is easily contaminated by the droplets of dirt received by the toilet bowl portion 12 and the like. The first pot facing surface 34 of the present embodiment exhibits a continuous annular shape in the circumferential direction.

The first pot facing surface 34 is a right half region 38R (first half region) constituting a half of the right side (left side of the paper surface in the drawing) on one side of the first pot facing surface 34 in the left-right direction Y. And the left half region 38L (second half region) constituting the left half on the other side. In the back view of the toilet seat 22, the left-right center line along the front-rear direction X that bisects the external dimensions of the first bowl facing surface 34 in the left-right direction Y is defined as Ca. At this time, the right half region 38R refers to a region located on the right side of the left and right center line Ca among the regions constituting the first pot facing surface 34, and the left half region 38L is the left and right center line Ca. On the other hand, it refers to the area located on the left side. The back view here means to view the toilet seat 22 from the lower side in the vertical direction when the toilet seat 22 is in the inverted position (described later). Hereinafter, the circumferential end portion 38Ra on the front side of the right half region 38R and the circumferential end portion 38La on the front side of the left half region 38L are collectively referred to as a front end region 39.

FIG. 5 is a top view of a part of the toilet bowl device 10. As shown in FIGS. 4 and 5, the toilet bowl device 10 includes a plurality of discharge units 50A to 50C capable of discharging the cleaning liquid supplied from a liquid supply source such as a tank. The main component of the cleaning liquid of the present embodiment is washing water of water, but alcohol or the like other than water may be the main component.

The discharge portions 50A to 50C of the present embodiment include seat back discharge portions 50A and 50B for cleaning the back surface of the toilet seat 22. The seat back discharge portions 50A and 50B include a first discharge portion 50A and a second discharge portion 50B. The first discharge portion 50A is arranged on the upper side of the right half portion of the toilet bowl main body 14. The second discharge portion 50B is arranged on the upper side of the left half portion of the toilet bowl main body 14. In the present embodiment, the first discharge portion 50A is arranged above the rear end portion of the right half portion of the toilet bowl portion 12, and the second discharge portion 50B is the rear end portion of the left half portion of the toilet bowl portion 12. Placed on the upper side.

FIG. 6 is a diagram showing a range Sa in which the cleaning liquid discharged by the first discharge unit 50A is transmitted through the first bowl facing surface 34 of the toilet seat 22. The first discharge unit 50A discharges the cleaning liquid so as to travel forward along the right half region 38R of the first pot facing surface 34. It is also considered that the first discharge portion 50A discharges the cleaning liquid so as to travel along the first bowl facing surface 34 toward one side Pa in the circumferential direction of the toilet seat 22.

FIG. 7 is a diagram showing a range Sb in which the cleaning liquid discharged by the second discharge unit 50B is transmitted through the first bowl facing surface 34 of the toilet seat 22. The second discharge portion 50B discharges the cleaning liquid so as to travel forward along the left half region 38L of the first pot facing surface 34. It is also considered that the second discharge portion 50B discharges the cleaning liquid so as to travel along the first pot facing surface 34 toward the other side Pb in the circumferential direction of the toilet seat 22.

As shown in FIG. 4, in the back view of the toilet seat 22, the bisector that bisects the first bowl facing surface 34 on the virtual half-line La extending from the center Cp of the toilet seat 22 is defined as Lb. The first bowl facing surface 34 has an inner peripheral side portion 52 on the inner peripheral side of the bisector Lb and an outer peripheral side portion 54 on the outer peripheral side of the bisector Lb.

FIG. 8 is a cross-sectional view taken along the line AA of FIG. This figure is also a vertical cross section passing through the center Cp of the toilet seat 22. As shown in FIGS. 4 and 8, the toilet seat 22 is formed from the inner peripheral side convex portion 56 protruding downward from the inner peripheral side portion 52 of the first bowl facing surface 34 and the outer peripheral side portion 54 of the first bowl facing surface 34. It has an outer peripheral side convex portion 58 protruding downward. The inner peripheral side convex portion 56 is provided in a range extending from the inner peripheral edge portion of the first pot facing surface 34 to an intermediate position in the radial direction. The inner peripheral side convex portion 56 is considered to form at least the inner peripheral edge portion of the first bowl facing surface 34. The outer peripheral side convex portion 58 is provided in a range extending from the outer peripheral edge portion of the first pot facing surface 34 to an intermediate position in the radial direction. The outer peripheral side convex portion 58 is considered to constitute at least the outer peripheral edge portion of the first pot facing surface 34.

(A-1) The outer peripheral surface 56a of the inner peripheral side convex portion 56 is formed so as to extend downward as it goes inward in the radial direction. As a shape satisfying this condition, the outer peripheral surface 56a of the inner peripheral side convex portion 56 of the present embodiment has a concave curved surface shape in a vertical cross section passing through the center Cp of the toilet seat 22.

The central opening 32 of the toilet seat 22 is formed with a flat surface 60 extending from the front surface to the back surface of the toilet seat 22 in a vertical cross section passing through the central Cp of the toilet seat 22. The inner peripheral surface 56b of the inner peripheral side convex portion 56 of the present embodiment constitutes a part of the flat surface 60.

(A-2) The inner peripheral surface 58a of the outer peripheral side convex portion 58 is formed so as to extend downward as it goes outward in the radial direction. As a shape satisfying this condition, the inner peripheral surface 58a of the outer peripheral side convex portion 58 of the present embodiment has a concave curved surface shape in a vertical cross section passing through the center Cp of the toilet seat 22.

The outer peripheral surface 58b of the outer peripheral side convex portion 58 of the present embodiment is formed to have an outer shape that matches the outer shape of the inner peripheral surface of the upper end edge portion 12a of the toilet bowl portion 12, and is arranged along the inner peripheral surface thereof. The inner peripheral surface of the upper end edge portion 12a of the toilet bowl portion 12 has a concave curved surface shape, and the outer peripheral surface 58b of the outer peripheral side convex portion 58 is equivalent to the concave curved surface formed by the inner peripheral surface of the upper end edge portion 12a. It has a convex curved surface with a radius of curvature.

In the present embodiment, the outer peripheral surface 56a of the inner peripheral side convex portion 56 and the inner peripheral surface 58a of the outer peripheral side convex portion 58 form a part of a concave curved surface 62 that is smoothly connected. Further, the outer peripheral surface 56a of the inner peripheral side convex portion 56 and the inner peripheral surface 58a of the outer peripheral side convex portion 58 form a part of a groove portion continuous in the circumferential direction.

See FIG. The inner peripheral side convex portion 56 is a ridge continuous in the circumferential direction on the first bowl facing surface 34. The inner peripheral side convex portion 56 of the present embodiment ranges from the central portion 38Rb in the front-rear direction Y of the right half region 38R of the first bowl facing surface 34 to the circumferential end portion 38Ra on the front side of the right half region 38R. It has a first guide portion 40 provided so as to be continuous in the circumferential direction. The central portion 38Rb of the right half region 38R means a portion that overlaps with the front-rear center line Cb of the first pot facing surface 34 and a portion including a peripheral portion. The front-rear center line Cb is a line along the left-right direction Y that bisects the dimension of the front-rear direction X of the first bowl facing surface 34 in the back view of the toilet seat 22. It can be said that the first guide portion 40 is provided so as to be continuous in the circumferential direction in the range from the portion overlapping the front-rear center line Cb of the right half region 38R to the circumferential end 38Ra of the right half region 38R.

The inner peripheral side convex portion 56 is formed in the circumferential direction in the range from the central portion 38Lb in the front-rear direction Y of the left half region 38L of the first bowl facing surface 34 to the circumferential end portion 38La on the front side of the left half region 38L. It has a second guide portion 42 provided so as to be continuous. The central portion 38Lb of the left half region 38L means a portion overlapping the front-rear center line Cb of the first pot facing surface 34 and a portion including a peripheral portion. It can be said that the second guide portion 42 is provided so as to be continuous in the circumferential direction in the range from the portion overlapping the front-rear center line Cb of the left half region 38L to the circumferential end La of the left half region 38L.

The inner peripheral side convex portion 56 of the present embodiment is continuous in the circumferential direction from the rear end portion of the right half region 38R to the rear end portion of the left half region 38L via the front end region 39. It is provided in. The outer peripheral side convex portion 58 has the same configuration. The groove portion formed by the inner peripheral side convex portion 56 and the outer peripheral side convex portion 58 has the same configuration.

See FIG. The inner peripheral side convex portion 56 and the outer peripheral side convex portion 58 are provided so as to be located below the upper surface 18a of the rim portion 18 of the toilet bowl main body 14. The lower end portion of the inner peripheral side convex portion 56 of the present embodiment is provided so as to be located below the lower end portion of the outer peripheral side convex portion 58.

The toilet device 10 includes a flow regulation structure 64 for restricting the flow of the cleaning liquid that tends to go radially outward through between the rim portion 18 of the toilet body 14 and the toilet seat 22. The flow regulation structure 64 of the present embodiment is the upper end edge portion 12a of the toilet bowl portion 12 of the toilet bowl main body 14.

The operation of the above toilet bowl device 10 will be described. Although the details of the toilet device 10 of the present embodiment will be described later, the toilet device 10 is configured to start the operation of discharging the cleaning liquid from the second discharge unit 50B after the operation of discharging the cleaning liquid from the first discharge unit 50A is completed. Toilet.

As shown in FIG. 6, the cleaning liquid discharged from the first discharge portion 50A hits the rear portion of the right half region 38R of the first bowl facing surface 34 of the toilet seat 22, and spreads from the hit portion Spa in the discharge direction Pc. , A first seat backflow Fa that propagates through the first bowl facing surface 34 is formed. The discharge direction Pc here means a direction along the central axis of the cleaning liquid outlet 76 (described later) of the discharge portion referred to. A part of the first seat backflow Fa is changed so that the flow direction bends inward in the radial direction by hitting the above-mentioned flow regulation structure 64 or the outer peripheral side convex portion 58 of the toilet seat 22, and mainly the first bowl. The outer peripheral side portion 54 of the facing surface 34 is guided so as to be transmitted to one side Pa in the circumferential direction (see direction Da).

In the back view of the toilet seat 22, the outer peripheral surface 56a of the inner peripheral side convex portion 56, specifically, the outer peripheral surface of the first guide portion 40 is within the range Sc where the cleaning liquid can travel straight from the first discharge portion 50A in the discharge direction Pc. positioned. As a result, a part of the cleaning liquid discharged from the first discharge portion 50A flows along the outer peripheral surface 56a of the inner peripheral side convex portion 56 in the circumferential direction. The first discharge portion 50A discharges the cleaning liquid so as to propagate in the circumferential direction on the outer peripheral surface 56a (first guide portion 40) of the inner peripheral side convex portion 56.

A part of the cleaning liquid discharged from the first discharge portion 50A is radially propagating in the flow direction due to the Coanda effect in the process of propagating in the circumferential direction on the outer peripheral surface 56a (first guide portion 40) of the inner peripheral side convex portion 56. While bending inward, it tries to flow along its outer peripheral surface 56a (see direction Db). A part of the cleaning liquid is guided so as to travel along the inner peripheral side portion 52 of the first pot facing surface 34 to one side Pa in the circumferential direction while the flow direction is changed so as to bend inward in the radial direction. In this way, the first guide portion 40 of the inner peripheral side convex portion 56 bends the flow direction of a part of the cleaning liquid discharged from the first discharge portion 50A inward in the radial direction, and is inside the first pot facing surface 34. A part of the cleaning liquid can be guided along the peripheral portion 52.

As shown in FIG. 7, the cleaning liquid discharged from the second discharge portion 50B hits the rear portion of the left half region 38L of the first pot facing surface 34, and spreads from the hit portion Spb in the discharge direction Pc to the first. A second seat backflow Fb is formed so as to propagate through the pot facing surface 34. Similar to the first seat backflow Fa, a part of the second seat backflow Fb is also changed so that its flow direction bends inward in the radial direction by hitting the flow regulation structure 64 and the outer peripheral side convex portion 58 of the toilet seat 22. , Mainly, the outer peripheral side portion 54 of the first pot facing surface 34 is guided to be transmitted to the other side Pb in the circumferential direction (see direction Dc).

In the back view of the toilet seat 22, the outer peripheral surface 56a of the inner peripheral side convex portion 56, specifically, the outer peripheral surface of the second guide portion 42 is within the range Sd where the cleaning liquid can travel straight from the second discharge portion 50B in the discharge direction Pc. positioned. As a result, a part of the cleaning liquid discharged from the second discharge portion 50B also flows along the outer peripheral surface 56a (second guide portion 42) of the inner peripheral side convex portion 56 in the circumferential direction.

A part of the cleaning liquid discharged from the second discharge portion 50B also flows in the radial direction due to the Coanda effect in the process of propagating in the circumferential direction on the outer peripheral surface 56a (second guide portion 42) of the inner peripheral side convex portion 56. While bending inward, it tries to flow along its outer peripheral surface 56a (see direction Dd). A part of the cleaning liquid is guided so as to propagate the inner peripheral side portion 52 of the first pot facing surface 34 to the other side Pb in the circumferential direction while the flow direction is changed so as to bend inward in the radial direction. In this way, the second guide portion 42 of the inner peripheral side convex portion 56 bends the flow direction of a part of the cleaning liquid discharged from the second discharge portion 50B inward in the radial direction, and is inside the first pot facing surface 34. A part of the cleaning liquid can be guided along the peripheral portion 52.

With the above configuration, the first seat backflow Fa goes around the first bowl facing surface 34 so as to pass through the central portion 38Rb in the front-rear direction Y of the right half region 38R of the toilet seat 22 and the circumferential end portion 38Ra. It is transmitted to one side Pa. Further, the second seat backflow Fb passes through the central portion 38Lb in the front-rear direction Y of the left half region 38L of the toilet seat 22 and the circumferential end portion 38La, and the first bowl facing surface 34 is on the other side in the circumferential direction. It is transmitted to Pb. The first seat backflow Fa and the second seat backflow Fb flow along the front end region 39 of the first pot facing surface 34 as a region partially overlapping each other.

The effect of the above toilet bowl device 10 will be described. The toilet device 10 includes guidance portions 40 and 42 (inner peripheral side convex portions 56) capable of guiding a part of the cleaning liquid along the inner peripheral side portion 52 of the first bowl facing surface 34 of the toilet seat 22. Therefore, the inner peripheral side of the first pot facing surface 34 outside the region where the cleaning liquid can travel straight from the places where the cleaning liquid starts to travel straight from the places where the first pot facing surface 34 starts to travel, at the places away from the places where the first pot facing surface 34 starts to travel. The cleaning liquid can be easily transmitted to the portion 52. This means that, for example, the cleaning liquid can be easily transmitted to the regions 88A and 88B (see FIG. 9) described later. Therefore, the cleaning liquid can be delivered to a wide range of the first pot facing surface 34, and the unwashed residue on the first pot facing surface 34 can be suppressed.

9 (a) is an explanatory diagram showing the first specific region 66A, and FIG. 9 (b) is an explanatory diagram showing the second specific region 66B. In the back view of the toilet seat 22, circumscribed lines LcA and LcB are virtual lines extending from the seat back discharge portions 50A and 50B in the cleaning liquid discharge direction Pc and circumscribing the contour of the central opening 32 of the toilet seat 22. .. The circumscribed lines LcA and LcB extend from the center position of the cleaning liquid outlets 76 of the seat back discharge portions 50A and 50B in the back view of the toilet seat 22. The circumscribed lines LcA and LcB include a first circumscribed line LcA corresponding to the first discharge portion 50A and a second circumscribed line LcB corresponding to the second discharge portion 50B.

On the first bowl facing surface 34 of the toilet seat 22, it is a region closer to the center Cp of the toilet seat 22 than the first circumscribed line LcA, and is located at the discharge direction Pc of the first discharge portion 50A from the circumscribed point of the first circumscribed line LcA. The area is referred to as a first specific area 66A. On the first bowl facing surface 34 of the toilet seat 22, it is a region closer to the center Cp of the toilet seat 22 than the second circumscribed line LcB, and is located at the discharge direction Pc of the second discharge portion 50B from the circumscribed point of the second circumscribed line LcB. The area is referred to as a second specific area 66B. The first specific area 66A is an area where the cleaning liquid discharged by the first discharge unit 50A is difficult to reach, and the second specific area 66B is an area where the cleaning liquid discharged by the second discharge unit 50B is difficult to reach.

At this time, the first guide portion 40 travels along a part of the portion of the inner peripheral side portion 52 of the first bowl facing surface 34 that overlaps with the first specific region 66A (double hatching region 88A in FIG. 9A). It is possible to induce a part of the cleaning solution. Further, the second guide portion 42 is transmitted along a part of the portion of the inner peripheral side portion 52 of the first bowl facing surface 34 that overlaps with the second specific region 66B (double hatching region 88B in FIG. 9B). Part of the cleaning solution can be induced. This makes it easier for the cleaning liquid discharged from the discharge units 50A and 50B to reach a place where it is difficult to reach.

The circumferential end 38Ra on the front side of the half region 38R is a portion where the cleaning liquid is difficult to reach when the cleaning liquid is discharged from the discharge portion 50A so as to travel forward along the half region 38R. The first guide portion 40 of the inner peripheral side convex portion 56 is provided so as to be continuous in the circumferential direction within a range including at least from the central portion 38Rb in the front-rear direction Y of the half region 38R to the front peripheral end portion 38Ra. As a result, when the cleaning liquid is discharged so as to travel forward along the half region 38R, the cleaning liquid can easily reach the peripheral end portion 38Ra on the front side of the half region 38R, which is difficult for the cleaning liquid to reach.

The seat back discharge portions 50A and 50B discharge the cleaning liquid so as to propagate in the circumferential direction on the outer peripheral surface 56a of the inner peripheral side convex portion 56. Therefore, as described above, the Coanda effect can be used to guide the cleaning liquid over a wide range of the inner peripheral side portion 52 of the first pot facing surface 34. Further, outside the region where the cleaning liquid can travel straight from the locations Spa and Spb where the cleaning liquid has begun to travel, the cleaning liquid cannot be directly applied to the outer peripheral surface 56a of the inner peripheral side convex portion 56, and it is difficult to reach the cleaning liquid. According to the present embodiment, the cleaning liquid can be delivered to a part of the outer peripheral surface 56a of the inner peripheral side convex portion 56 in such a place where the cleaning liquid is difficult to reach by using the Coanda effect. Has the advantage of being able to clean effectively.

As shown in FIG. 8, the outer peripheral surface 56a of the inner peripheral side convex portion 56 is formed so as to extend downward as it goes inward in the radial direction. Therefore, when a part of the cleaning liquid tries to propagate inward in the radial direction on the outer peripheral surface 56a of the inner peripheral side convex portion 56, the cleaning liquid easily propagates to the lower end portion of the inner peripheral side convex portion 56 without losing its momentum. (See Direction De). Therefore, it becomes easy to clean the outer peripheral surface 56a of the inner peripheral side convex portion 56 by utilizing the momentum of the cleaning liquid toward the inner side in the radial direction.

The inner peripheral surface 58a of the outer peripheral side convex portion 58 is formed so as to extend downward as it goes outward in the radial direction. Therefore, when a part of the cleaning liquid tries to propagate outward in the radial direction on the inner peripheral surface 58a of the outer peripheral side convex portion 58, the cleaning liquid easily propagates to the lower end portion of the outer peripheral side convex portion 58 without losing its momentum. See direction Df). Therefore, it becomes easy to clean the inner peripheral surface 58a of the outer peripheral side convex portion 58 by utilizing the momentum of the cleaning liquid toward the outer side in the radial direction.

Other features of the toilet bowl device 10 will be described. As shown in FIG. 2, the toilet bowl body 14 has a trap portion 70 connected to the bottom of the toilet bowl portion 12. The trap portion 70 constitutes a part of a discharge passage portion for discharging the washing water and filth in the toilet bowl portion 12 to the sewage side water channel. The internal space of the trap portion 70 communicates with the internal space of the toilet bowl portion 12 through the inlet 70a formed at the bottom of the toilet bowl portion 12. The trap portion 70 of the present embodiment is provided on the front side of the bottom portion of the toilet bowl portion 12. The trap portion 70 has an ascending water channel portion 70b and a descending water channel portion 70c in this order from the upstream side to the downstream side. The rising water channel portion 70b is provided so as to rise toward the downstream side of the trap portion 70. The lower precipitation path portion 70c is provided so as to descend toward the downstream side of the trap portion 70.

Reservoir 72 is stored in the bottom of the toilet bowl portion 12 and the rising water channel portion 70b of the trap portion 70. The pooled water 72 functions as a sealing water that blocks the flow of air in the water flow direction in the rising water channel portion 70b of the trap portion 70, and prevents the backflow of odor from the sewage side channel.

FIG. 10 is a plan view of the toilet bowl main body 14 showing the positional relationship between the inner peripheral side convex portion 56 of the toilet seat 22 and the pooled water 72. The inner peripheral side convex portion 56 is positioned so as to overlap the toilet bowl portion 12 in the vertical direction Z at a position avoiding the accumulated water 72 in the range Se in which the cleaning liquid discharged from the seat back discharge portions 50A and 50B is transmitted in a plan view. Placed in. The inner peripheral side convex portion 56 is provided at a position that does not overlap with the pooled water 72 in the vertical direction Z in the range Se in which the cleaning liquid discharged from the seat back discharge portions 50A and 50B is transmitted. In the present embodiment, the range Se in which the cleaning liquid is transmitted here is the entire range from the rear portion of the left half region 38L and the right half region 38R of the first pot facing surface 34 to the front peripheral end portions 38La and 38Ra. To say. As a result, even if a part of the cleaning liquid drips from the inner peripheral side convex portion 56 after cleaning the toilet seat 22 with the cleaning liquid, it becomes difficult for the cleaning liquid to fall directly into the pooled water 72, and the generation of abnormal noise can be suppressed.

FIG. 11 is a side sectional view of the first discharge portion 50A. 12 (a) is a sectional view taken along line BB of FIG. 11, and FIG. 12 (b) is a view of FIG. 12 (a) as viewed from the arrow C. Since most of the configurations of the first discharge unit 50A and the second discharge unit 50B are common, the common configuration will be described with reference to the drawings showing the first discharge unit 50A. Discharge holes 74 for discharging the cleaning liquid are formed in the seat back discharge portions 50A and 50B. The discharge hole 74 has a first portion 74a on the upstream side and a second portion 74b that is connected to the downstream side of the first portion 74a and has a cleaning liquid outlet 76 formed at its own downstream end.

The first portion 74a is formed so that the passage cross-sectional area becomes the same size toward the downstream side of the discharge hole 74. The first portion 74a of the present embodiment is formed so as to extend linearly toward the downstream side of the discharge hole 74.

The second portion 74b is formed so that the inner width in the horizontal direction Pd continuously expands as it approaches the cleaning liquid outlet 76 in the back view of the toilet seat 22. The horizontal direction Pd here means a direction orthogonal to the discharge direction Pc of the seat back discharge portions 50A and 50B mentioned in the back view of the toilet seat 22. The second portion 74b is formed so that the passage cross-sectional area continuously increases toward the downstream side of the discharge hole 74. The cross-sectional shape of the second portion 74b of the present embodiment has an elliptical shape with the horizontal direction Pd as the major axis direction, and the major axis, which is the length in the major axis direction, becomes larger as it approaches the cleaning liquid outlet 76. It is formed. The second portion 74b is formed so that the inner widths of the second portion 74b in the direction Pe orthogonal to the discharge direction Pc and the horizontal direction Pd toward the cleaning liquid outlet 76 are the same.

As a result, the cleaning liquid flows through the second portion 74b of the discharge hole 74 while spreading in the direction Pd, and the cleaning liquid having a velocity component in the direction Pd can be discharged from the cleaning liquid outlet 76 of the discharge hole 74. Therefore, in the process of transmitting the cleaning liquid to the first pot facing surface 34 of the toilet seat 22 in the discharge direction Pc, the cleaning liquid tends to spread in the direction Pd (see also FIGS. 6 and 7), and the cleaning liquid reaches a wide range of the first pot facing surface 34. It will be easier. In particular, there is an advantage that the cleaning liquid can be easily delivered to the outside of the region where the cleaning liquid can travel straight from the locations Spa and Spb where the cleaning liquid starts to propagate on the facing surface 34 of the first pot. This means that, for example, the cleaning liquid can be easily transmitted to the regions 88A and 88B in FIG. 9 described above.

Other features of the toilet bowl device 10 will be described. FIG. 13 is an explanatory view showing the slope of the first bowl facing surface 34 of the toilet seat 22. In this figure, the direction in which the gradient goes from the high position to the low position is indicated by an arrow.

As shown in FIGS. 6 and 13, the first pot facing surface 34 has a first gradient toward one side Pa in the circumferential direction in at least a part of the range in which the cleaning liquid discharged from the first discharge portion 50A is transmitted. A first inclined surface 82 having a downward slope at 80 is provided. The first inclined surface 82 of the present embodiment includes at least from the central portion 38Rb in the front-rear direction Y of the right half region 38R of the first bowl facing surface 34 to the circumferential end portion 38Ra on the front side of the right half region 38R. Provided within the range. The first inclined surface 82 of the present embodiment is provided in a range from the rear end portion of the right half region 38R to the front end portion 38Ra in the circumferential direction.

As shown in FIGS. 7 and 13, the first pot facing surface 34 has a second gradient toward the other side Pb in the circumferential direction in at least a part of the range in which the cleaning liquid discharged from the second discharge portion 50B is transmitted. A second inclined surface 86 having a downward slope at 84 is provided. The second inclined surface 86 of the present embodiment includes at least from the central portion 38Lb in the front-rear direction Y of the left half region 38L of the first bowl facing surface 34 to the front peripheral end portion 38La of the left half region 38L. It is provided in the range. The second inclined surface 86 of the present embodiment is provided in a range from the rear end portion of the left half region 38L to the front end portion 38La in the circumferential direction.

FIG. 14 is a sectional view taken along line DD of FIG. The first bowl facing surface 34 of the toilet seat 22 is provided with a mountain portion 88 formed by a lower end portion of the first inclined surface 82 and a lower end portion of the second inclined surface 86. The mountain portion 88 is provided on the first bowl facing surface 34 of the toilet seat 22 so as to form a downward convex shape. The mountain portion 88 of the present embodiment is provided so that the lower end portion of the first inclined surface 82 and the lower end portion of the second inclined surface 86 form a corner portion that points downward.

The first inclined surface 82 and the second inclined surface 86 are provided with a third gradient 90 which is a downward gradient from an intermediate position in the radial direction of the first bowl facing surface 34 toward the inner peripheral edge portion of the first bowl facing surface 34. Be done. The third gradient 90 is provided on the outer peripheral surface 56a of the inner peripheral side convex portion 56. The first inclined surface 82 and the second inclined surface 86 are provided with a fourth gradient 92 that is a downward gradient from an intermediate position in the radial direction of the first bowl facing surface 34 toward the outer peripheral edge portion of the first bowl facing surface 34. Be done. The fourth gradient 92 is provided on the inner peripheral surface 58a of the outer peripheral side convex portion 58.

The effects of the above features will be described. FIG. 15A is a diagram schematically showing the back surface of the toilet seat 22 of the first modification, and FIG. 15B is a diagram schematically showing the back surface of the toilet seat 22 of the first embodiment. The first inclined surface 82 is not provided on the back surface of the toilet seat 22 of the first modification. As shown in FIGS. 15A and 15B, when the inclined surface 82 is provided on the back surface of the toilet seat 22, the cleaning liquid 94 discharged from the first discharge portion 50A is easily transmitted to the back surface of the toilet seat 22. The reason for this will be explained.

15 (c) is an enlarged view of a part of the back surface of the toilet seat 22 of FIG. 15 (b). The gravity applied to the cleaning liquid 94 due to its own weight is defined as Fg, and this gravity Fg is defined as a force component Fg1 in the normal direction of the first inclined surface 82 and a force component Fg2 in a downward gradient parallel to the first inclined surface 82. Disassemble into. At this time, a force component Fg2 having a magnitude obtained by multiplying the sine value (sinθ) of the angle θ formed by the first inclined surface 82 with respect to the horizontal plane and the gravity Fg acts on the cleaning liquid transmitted through the first inclined surface 82. There is. This is because the cleaning liquid is transmitted to the first inclined surface 82 of the toilet seat 22 in the direction in which the first inclined surface 82 becomes a downward slope (direction of the force component Fg2) by using the gravity due to the weight of the cleaning liquid. It means that it will be easier to make. Therefore, according to the present embodiment, it becomes easier to reach the cleaning liquid over a wide range on the back surface of the toilet seat 22 as compared with the case where the toilet seat 22 does not have the first inclined surface 82.

Further, when the cleaning liquid is transmitted to the second inclined surface 86 of the toilet seat 22, the gravity due to the weight of the cleaning liquid is used to facilitate the transmission of the cleaning liquid in the direction in which the second inclined surface 86 has a downward slope. Therefore, as compared with the case where the toilet seat 22 does not have the second inclined surface 86, it is possible to easily reach the cleaning liquid over a wide range on the back surface of the toilet seat 22.

From the viewpoint of obtaining these effects, the angle θ formed by the first inclined surface 82 with respect to the horizontal plane is preferably set within the range of 1 ° to 15 °. When the angle θ is less than 1 °, the force component Fg2 in the direction in which the first inclined surface 82 becomes the downward slope becomes insufficient, and it becomes difficult to transmit the cleaning liquid in the direction in which the first inclined surface 82 becomes the downward slope. When the first gradient exceeds 15 °, the dimension of the toilet seat 22 in the vertical direction Z becomes too large, which causes the toilet seat 22 to become large. From this point of view, the angle θ is more preferably set within the range of 3 ° to 8 °. For the same reason as the angle θ of the first inclined surface 82 with respect to the horizontal plane, the angle formed by the second inclined surface 86 with respect to the horizontal plane is preferably set within the range of 1 ° to 15 °, and more preferably 3. It is set within the range of ° to 8 °.

As shown in FIG. 14, a mountain portion 88 is provided on the back surface of the toilet seat 22 so that the lower end portion of the first inclined surface 82 and the lower end portion of the second inclined surface 86 form at least a part thereof. Therefore, it becomes easy to drain the cleaning liquid that travels in the direction in which the first inclined surface 82 has a downward slope and the cleaning liquid that travels in the direction in which the second inclined surface 86 has a downward slope at the mountain portion 88. Therefore, it becomes easy to control so that a part of the cleaning liquid propagating through the first inclined surface 82 and the second inclined surface 86 falls into the toilet bowl portion 12 of the toilet bowl main body 14 below the vicinity of the mountain portion 88. Along with this, it becomes easier to control the liquid landing portion where the cleaning liquid adheres to the toilet bowl portion 12, and it becomes easy to clean the inside of the toilet bowl portion 12 with the cleaning liquid within the range including the liquid landing portion.

The first inclined surface 82 of the present embodiment is provided in a range including at least from the central portion Rb in the front-rear direction Y of the right half region 38R of the toilet seat 22 to the front peripheral end portion 38Ra. Therefore, by using such a first inclined surface 82, the cleaning liquid is delivered to the peripheral end portion 38Ra on the front side of the right half region 38R, which is a portion where the cleaning liquid discharged from the first discharging portion 50A is difficult to reach. It will be easier to make it.

Further, the second inclined surface 86 is provided in a range including at least from the central portion Lb in the front-rear direction Y of the left half region 38L of the toilet seat 22 to the peripheral end portion 38La on the front side. Therefore, by using such a second inclined surface 86, the cleaning liquid is delivered to the front peripheral end portion 38La of the left half region 38L, which is a portion where the cleaning liquid discharged from the second discharge portion 50B is difficult to reach. It will be easier to make it.

(2) The second device of the toilet bowl device 10 will be described. As shown in FIG. 2, the first casing 24 is arranged behind the toilet bowl portion 12 so as to avoid a position where it overlaps the inner surface of the toilet bowl portion 12 in the vertical direction Z. A part of the second casing 26 is arranged at a position overlapping the inner surface of the toilet bowl portion 12 in the vertical direction.

FIG. 16 is a front view of the second casing 26 of FIG. 2 as viewed from the front. FIG. 17 is a side sectional view of the second casing 26 passing through the first discharge portion 50A of FIG. The second casing 26 functions as an accommodating member for accommodating the functional parts inside. The functional component here is for exerting a predetermined function attached to the toilet bowl device 10. The functional parts include the above-mentioned discharge portions for back seat 50A and 50B, and the on-off valves 126A, 126B and 126D described later.

The second casing 26 has a protruding portion 26a that protrudes above the inner surface of the toilet bowl portion 12 from the upper end opening 12b of the toilet bowl portion 12. The protruding portion 26a is provided with a protruding portion 26b that protrudes downward from the protruding portion 26a. The protruding portion 26b is arranged below the upper end opening 12b of the toilet bowl portion 12. The rear surface portion of the protruding portion 26b is formed to have an outer shape that matches the outer shape of the inner peripheral surface of the upper end edge portion 12a of the toilet bowl portion 12, and is arranged along the inner peripheral surface thereof. The protruding portion 26b is fitted inside the rear portion of the upper end edge portion 12a of the toilet bowl portion 12. A slope portion 26c is formed on the front surface portion of the protrusion 26b so as to face diagonally downward toward the front.

FIG. 18 is a diagram showing another state of the second casing 26 of FIG. FIG. 11 is also a side sectional view of the second casing 26 passing through the first discharge portion 50A of FIG. FIG. 19 is a perspective view of the configuration around the first discharge portion 50A of FIG. 18 as viewed from below. Hereinafter, mainly, FIGS. 11 and 16 to 19 will be referred to.

Openings 102A and 102B are formed on the lower surface of the second casing 26. The openings 102A and 102B are formed on the slope portion 26c of the second casing 26. The openings 102A and 102B include a first opening 102A corresponding to the first ejection portion 50A and a second opening 102B corresponding to the second ejection portion 50B. The first opening 102A is provided on the upper side of the right half of the toilet body 14, and the second opening 102B is provided on the upper side of the left half of the toilet body 14.

The toilet device 10 includes shutters 104A and 104B that can open and close the openings 102A and 102B of the second casing 26. The shutters 104A and 104B include a first shutter 104A corresponding to the first ejection unit 50A and a second shutter 104B corresponding to the second ejection unit 50B. The first shutter 104A can open and close the first opening 102A, and the second shutter 104B can open and close the second opening 102B. Since most of the configurations of the first shutter 104A and the first opening 102A and the second shutter 104B and the second opening 102B are common, the common configurations will be described with reference to the drawings showing the former.

As shown in FIGS. 11 and 17, the shutters 104A and 104B are attached to the second casing 26 so that the openings 102A and 102B of the second casing 26 can be opened and closed. The shutters 104A and 104B have a main body portion 104a capable of opening and closing the openings 102A and 102B, and a plurality of shaft fixing portions 104b protruding from the back surface of the main body portion 104a. In this figure, only a single shaft fixing portion 104b is shown.

The main body portion 104a has a long plate shape in the left-right direction Y. A rotating shaft 106 penetrating the shaft fixing portion 104b is fixed to the tip portions of the plurality of shaft fixing portions 104b. The rotation shaft 106 is rotatably supported by a shaft support portion 26d provided inside the second casing 26. The shutters 104A and 104B of the present embodiment are rotatably attached to the second casing 26 (accommodating member) around the rotation shaft 106 via the rotation shaft 106. The rotation shaft 106 of the present embodiment extends along the horizontal direction. The shutters 104A and 104B open the openings 102A and 102B by rotating in one direction Pg1 around the rotation shaft 106, and close the openings 102A and 102B by rotating in the opposite direction Pg2.

The shutters 104A and 104B have a concealed position Pf1 (see FIGS. 16 and 17) that conceals the discharge holes 74 of their corresponding discharge portions 50A and 50B from the outside, and an exposed position Pf2 that exposes the discharge holes 74 to the outside (FIG. 16 and 17). 11. It is possible to move between (see FIG. 18). The shutters 104A and 104B of the present embodiment close the openings 102A and 102B of the second casing 26 that they open and close when they are in the concealed position Pf1, and close the openings 102A and 102B to externally open the discharge holes 74. Hide from. When the shutters 104A and 104B of the present embodiment are at the exposure position Pf2, the openings 102A and 102B are open, and the discharge holes 74 are exposed to the outside by opening the openings 102A and 102B. When the shutters 104A and 104B are at the exposed position Pf2, the cleaning liquid discharged from the discharge holes 74 of the discharge portions 50A and 50B corresponding to the shutters 104A and 104B can be applied to the back surface of the toilet seat 22.

As shown in FIG. 17, when the shutters 104A and 104B are in the concealed position Pf1, the shutters 104A and 104B restrict the entry of droplets from the outside into the discharge holes 74 of the corresponding discharge portions 50A and 50B. When the shutters 104A and 104B of the present embodiment are in the concealment position Pf1, the shutters 102A and 102B that open and close themselves are closed to restrict the entry of external droplets into the openings 102A and 102B.

The shutters 104A and 104B of the present embodiment are restricted in their movable range by hitting the upper edges of the openings 102A and 102B that are part of the openings 102A and 102B that are opened and closed by themselves, and close the openings 102A and 102B. It is held in the closed position. As shown in FIG. 11, the shutters 104A and 104B of the present embodiment are restricted in their movable range by hitting the lower edges of the openings 102A and 102B which are a part of the openings 102A and 102B which are opened and closed by themselves. 1 The opening 102A is held in the open position.

As shown in FIG. 5, the toilet bowl device 10 includes drive mechanisms 108A and 108B that can be driven to move the shutters 104A and 104B between the concealed position Pf1 and the exposed position Pf2. The drive mechanisms 108A and 108B include a first drive mechanism 108A corresponding to the first shutter 104A and a second drive mechanism 108B corresponding to the second shutter 104B. The drive mechanisms 108A and 108B are configured by using a drive source such as a motor, for example. The drive mechanisms 108A and 108B of this embodiment are arranged in the second casing 26. The drive mechanisms 108A and 108B of the present embodiment drive the shutters 104A and 104B by rotating the shutters 104A and 104B around the rotation shaft 106 integrally with the rotation shaft 106.

As shown in FIGS. 11 and 17, the discharge portions 50A and 50B of the present embodiment are integrated with the shutters 104A and 104B corresponding to the discharge portions 50A and 50B. "Integration" as used herein means that the two elements mentioned are movable in one piece, regardless of whether the two elements are part of the same member or not. .. The discharge portions 50A and 50B of the present embodiment are configured as a part of the same members as the shutters 104A and 104B corresponding to themselves. As a result, the number of parts can be reduced by using the discharge portions 50A and 50B and the shutters 104A and 104B as separate members, and the product cost can be reduced by reducing the assembly man-hours.

The discharge portions 50A and 50B are rotatably attached to the second casing 26 via the shutters 104A and 104B and the rotation shaft 106. The discharge portions 50A and 50B can move forward and backward with respect to the openings 102A and 102B corresponding to the discharge portions 50A and 50B by rotating around the rotation shaft 106. Specifically, the discharge portions 50A and 50B move from the openings 102A and 102B to the advance position Ph1 that advances to the outside by rotating in one direction Pg1 around the rotation shaft 106. Further, the discharge portions 50A and 50B move to the retracted position Ph2 retracted inward from the openings 102A and 102B by rotating in the other direction Pg2 around the rotation shaft 106.

As shown in FIGS. 11 and 19, the discharge portions 50A and 50B correspond to the hole forming portion 110 in which the discharge holes 74 for discharging the cleaning liquid are formed and the discharge portions 50A and 50B at the advance position Ph1. It has a closing portion 112 that closes the openings 102A and 102B.

The hole forming portion 110 is an outlet side portion 110a in which the cleaning liquid outlet 76 from which the cleaning liquid flows out is formed at the downstream end portion, and an inlet side portion 110b for guiding the cleaning liquid supplied from the upstream side to the outlet side portion 110a on the downstream side. And have. The outlet side portion 110a and the inlet side portion 110b have a cylindrical shape. The outlet side portion 110a and the inlet side portion 110b of the present embodiment are connected via the bent portion 110c and extend linearly. The outlet side portion 110a extends in the in-plane direction of the plate-shaped shutters 104A and 104B. The inlet side portion 110b extends from the bent portion 110c in a direction away from the shutters 104A and 104B.

The first portion 74a and the second portion 74b described above are formed on the outlet side portion 110a (see FIG. 12). The outlet side portion 110a penetrates the front wall portion 112a (described later) of the closing portion 112, and is provided so as to protrude from the front wall portion 112a. A hose 114, in which a part of a liquid supply passage (described later) is formed inside, is connected to the inlet side portion 110b. The hose 114 is flexible and is housed inside the second casing 26.

When the discharge portions 50A and 50B are at the advance position Ph1, the closing portion 112 covers the entire openings 102A and 102B so that droplets do not enter the openings 102A and 102B corresponding to the discharge portions 50A and 50B from the outside. It's blocking. The closing portion 112 is opposite to the front wall portion 112a extending along the axial direction (horizontal direction Y) of the rotation shaft 106 and the discharge directions Pc of the discharge portions 50A and 50B from the axial end portion of the front wall portion 112a. It has a side wall portion 112b extending toward the side.

The front wall portion 112a is positioned so as to face the vertical edge portion (upper edge portion in this example) of the openings 102A and 102B in the vertical direction Z when the discharge portions 50A and 50B advance and retreat from the openings 102A and 102B. It is provided to pass through. The side wall portion 112b faces the edge portion of the openings 102A and 102B in the left-right direction Y and the axial direction (left-right direction Y) of the above-mentioned rotation shaft 106 when the discharge portions 50A and 50B move forward and backward through the openings 102A and 102B. It is provided so as to pass through the position where it is to be used.

The effect of the second device will be explained. According to the above-mentioned toilet device 10, by concealing the discharge holes 74 of the discharge portions 50A and 50B by the shutters 104A and 104B located at the concealment position Pf1, it is possible to prevent the droplets from entering the discharge holes 74, which is good. Hygiene can be obtained.

The shutters 104A and 104B close the openings 102A and 102B of the second casing 26 when they are in the concealment position Pf1. Therefore, the shutters 104A and 104B can prevent the droplets from entering the second casing 26, and better hygiene can be obtained.

The discharge portions 50A and 50B can move forward and backward with respect to the openings 102A and 102B of the second casing 26 by rotating around the rotation shaft 106. Therefore, rather than having a structure (see FIG. 39) in which the openings 102A and 102B of the second casing 26 can be advanced and retreated by the discharge portions 50A and 50B traveling straight, the dimensions of the discharge portions 50A and 50B in the advancing and retreating directions Pm. It can be miniaturized. Along with this, the space required for accommodating the discharge portions 50A and 50B in the second casing 26 (accommodation member) can be reduced.

The discharge portions 50A and 50B have a closing portion 112 that closes the openings 102A and 102B corresponding to the discharge portions 50A and 50B when the discharge portions 50A and 50B are at the advance position Ph1. Therefore, even when the discharge portions 50A and 50B are at the advance position Ph1, it is possible to prevent the droplets from entering the openings 102A and 102B of the second casing 26, and better hygiene can be obtained.

(3) The third device of the toilet bowl device 10 will be described. FIG. 20 is a block diagram showing a part of the functions of the toilet bowl device 10. The toilet device 10 (toilet seat unit 16) of the present embodiment further includes a liquid supply passage 120, a switching mechanism 122, and a control unit 124.

As shown in FIGS. 5 and 20, the liquid supply passage 120 serves as a passage for the cleaning liquid supplied to the discharge portions 50A and 50B from a liquid supply source (not shown) such as a tank. The liquid supply passage 120 is composed of a liquid passage forming member such as a hose. The liquid supply passage 120 has a first liquid passage 120a for supplying the cleaning liquid to the first discharge portion 50A and a second liquid passage 120b for supplying the cleaning liquid to the second discharge portion 50B. The liquid supply passage 120 of the present embodiment has a common liquid passage 120c to which the cleaning liquid is supplied from the upstream side, and the first liquid passage 120a and the second liquid passage 120b branch from the common liquid passage 120c.

The switching mechanism 122 can switch whether or not the cleaning liquid supplied through the liquid supply passage 120 is supplied to the plurality of discharge units 50A and 50B. The switching mechanism 122 of the present embodiment is provided in the first on-off valve 126A provided in the middle of the first liquid passage 120a, the second on-off valve 126B provided in the middle of the second liquid passage 120b, and the common liquid passage 120c. It has a common on-off valve 126C. The first on-off valve 126A and the second on-off valve 126B are housed in the second casing 26.

The common on-off valve 126C is arranged outside the second casing 26. Although not shown, the common on-off valve 126C of the present embodiment is housed inside the toilet bowl body 14. When the common on-off valve 126C closes the common liquid passage 120c, the supply pressure applied to the cleaning liquid does not act on the first on-off valve 126A and the second on-off valve 126B. Along with this, the on-off valves 126A and 126B can be miniaturized, and the second casing 26 for accommodating them can be miniaturized.

By switching the open / closed state of the plurality of on-off valves 126A to 126C, the switching mechanism 122 can be used for the next supply stop state, the first supply state, or the second supply state to supply the cleaning liquid to the plurality of discharge portions 50A and 50B. The supply status can be switched. When in the first supply state, the cleaning liquid supplied to the first discharge unit 50A is discharged from the first discharge unit 50A. When in the second supply state, the cleaning liquid supplied to the second discharge unit 50B is discharged from the second discharge unit 50B.
(Supply stop state) The supply of the cleaning liquid is stopped.
(First supply state) The cleaning liquid is supplied to the first discharge unit 50A through the first liquid passage 120a of the liquid supply passage 120.
(Second supply state) The cleaning liquid is supplied to the second discharge unit 50B through the second liquid passage 120b of the liquid supply passage 120.

In the switching mechanism 122 of the present embodiment, the common on-off valve 126C closes the common liquid passage 120c of the liquid supply passage 120 when the supply is stopped. When in the first supply state, the common on-off valve 126C opens the common liquid passage 120c, the first on-off valve 126A opens the first liquid passage 120a, and the second on-off valve 126B closes the second liquid passage 120b. There is. When in the second supply state, the common on-off valve 126C opens the common liquid passage 120c, the second on-off valve 126B opens the second liquid passage 120b, and the first on-off valve 126A closes the first liquid passage 120a. There is.

The control unit 124 can control some components of the toilet bowl device 10. The control unit 124 of the present embodiment can control the switching mechanism 122. The control unit 124 is a one-chip microcomputer or the like, and is configured by combining a CPU, RAM, ROM, and the like. The control unit 124 of the present embodiment is arranged outside the second casing 26.

When the predetermined cleaning start condition is satisfied, the control unit 124 controls the switching mechanism 122 to execute a cleaning operation for cleaning the back surface of the toilet seat 22. The cleaning start condition includes, for example, receiving a cleaning start command through an operation of an operating member such as a lever or an electric device such as a remote controller or a smartphone.

The control unit 124 executes one cleaning operation by controlling the switching mechanism 122 so as to go through the next series of operations. In this series of operations, the cleaning liquid is held in the first supply state in which the cleaning liquid is supplied to the first discharge unit 50A for a predetermined first supply time, and then the second discharge is performed for a predetermined second supply time. It is to keep the part 50B in the second supply state in which the cleaning liquid is supplied. The operation in which the first discharge unit 50A discharges the cleaning liquid along the back surface of the toilet seat 22 is referred to as the first discharge operation, and the operation in which the second discharge unit 50B discharges the cleaning liquid along the back surface thereof is referred to as the second discharge operation. At this time, the control unit 124 of the present embodiment does not execute the second discharge operation while executing the first discharge operation in one cleaning operation, and executes the second discharge operation. During that time, the switching mechanism 122 is controlled so that the first discharge operation is not executed. Here, the "operation in which the discharge units 50A and 50B discharge the cleaning liquid so as to travel along the back surface of the toilet seat 22" includes an operation in which the discharge units 50A and 50B discharge the cleaning liquid that flows down without traveling along the back surface of the toilet seat 22. do not have.

The control unit 124 sets the switching mechanism 122 so as to start the second supply state in which the cleaning liquid is supplied to the second discharge unit 50B after the first supply state in which the cleaning liquid is supplied to the first discharge unit 50A is terminated. It will be controlled. The toilet device 10 (toilet seat unit 16) is configured to start the second discharge operation after finishing the first discharge operation.

At this time, the control unit 124 controls the switching mechanism 122 so as to start the second supply state after the elapse of a predetermined standby time after the end of the first supply state. The control unit 124 controls the switching mechanism 122 so as to start the second discharge operation after the lapse of the standby time after the above-mentioned first discharge operation is completed. This waiting time is set on the back surface of the toilet seat 22 in order to avoid a collision between the cleaning liquid discharged by the first discharge unit 50A and the cleaning liquid discharged by the second discharge unit 50B. This waiting time is set to, for example, 0.5 seconds or more and 3.0 seconds or less, preferably 1.0 seconds or more and 2.0 seconds or less.

The effect of the third device will be explained. FIG. 21A is a diagram showing a state in which the first discharge operation and the second discharge operation are being executed at the same time. In this case, the first seat backflow Fa formed by the cleaning liquid discharged by the first discharge portion 50A and the second seat backflow Fb formed by the cleaning liquid discharged by the second discharge portion 50B collide with each other on the back surface of the toilet seat 22. there is a possibility. In this embodiment, there is a possibility of collision mainly in the front end region 39 on the back surface of the toilet seat 22.

On the other hand, the toilet seat unit 16 is configured to start the second discharge operation as shown in FIG. 21 (c) after the first discharge operation as shown in FIG. 21 (b) is completed. .. As a result, even if the cleaning liquid discharged by the first discharge unit 50A collides with the cleaning liquid discharged by the second discharge unit 50B, the collision time can be shortened. Therefore, it is possible to suppress the generation of droplets due to the collision of the cleaning liquids discharged by the plurality of discharge units 50A and 50B.

The plurality of discharge units 50A and 50B include a first discharge unit 50A and a second discharge unit 50B that discharge the cleaning liquid so as to propagate on the back surface of the toilet seat 22 in opposite directions in the circumferential direction. Therefore, there is an advantage that the first seat backflow Fa and the second seat backflow Fb can be formed on the back surface of the toilet seat 22 so as to propagate through the regions partially overlapping each other, and the regions can be effectively washed.

Other features related to the third device will be described. As described above, in the toilet device 10 (toilet seat unit 16), as shown in FIGS. 5 and 20, the first shutter 104A corresponding to the first discharge unit 50A and the second shutter 104B corresponding to the second discharge unit 50B are provided. And prepare. The toilet device 10 includes a first drive mechanism 108A corresponding to the first shutter 104A and a second drive mechanism 108B corresponding to the second shutter 104B. The drive mechanisms 108A and 108B can drive the shutters 104A and 104B corresponding to themselves. The above-mentioned control unit 124 can also control the first drive mechanism 108A and the second drive mechanism 108B.

22 (a) shows the operating states of the first shutter 104A and the second shutter 104B, and FIG. 22 (b) shows other operating states. As shown in FIG. 22A, the control unit 124 controls the second drive mechanism 108B so as to move the second shutter 104B to the concealment position Pf1 when the first discharge unit 50A discharges the cleaning liquid. .. At this time, the control unit 124 controls the first drive mechanism 108A so as to move the first shutter 104A to the exposure position Pf2.

Further, as shown in FIG. 22B, the control unit 124 sets the first drive mechanism 108A so as to move the first shutter 104A to the concealment position Pf1 when the second discharge unit 50B discharges the cleaning liquid. Control. At this time, the control unit 124 controls the second drive mechanism 108B so as to move the second shutter 104B to the exposure position Pf2.

As a result, when one of the discharge units 50A and 50B of the first discharge unit 50A and the second discharge unit 50B is discharging the cleaning liquid, the splash of the cleaning liquid is inside the discharge holes 74 of the other discharge units 50A and 50B. It becomes difficult to enter and good hygiene can be obtained.

The control unit 124 starts the switching mechanism 122 so as to start the first supply state in which the cleaning liquid is discharged from the first discharge unit 50A after the movement of the first shutter 104A from the concealed position Pf1 to the exposed position Pf2 is completed. May be controlled. Further, the control unit 124 starts the switching mechanism 122 so as to start the first supply state in which the cleaning liquid is discharged from the first discharge unit 50A after the movement of the second shutter 104B from the exposed position Pf2 to the concealment position Pf1 is completed. May be controlled.

(4) The fourth device of the toilet bowl device 10 will be described. FIG. 23 (a) is an explanatory diagram showing the first seat backflow Fa, and FIG. 23 (b) is an explanatory diagram showing the first in-pot flow Fc. FIG. 24B is an explanatory diagram showing the second seat backflow Fb, and FIG. 24 is an explanatory diagram showing the second in-pot flow Fd. 23 (a) and 24 (a) are plan views of the toilet seat 22 and the toilet body 14, and FIGS. 24 (b) and 24 (b) are plan views of the toilet body 14.

The toilet device 10 (toilet seat unit 16) is configured to satisfy the following condition (a). This condition (a) satisfies the following condition (a1) and condition (a2). The condition (a1) is that, as shown in FIGS. 6 and 23 (a), the cleaning liquid discharged by the first discharge unit 50A forms the first seat backflow Fa transmitted to one side Pa in the circumferential direction on the back surface of the toilet seat 22. It is to be. As the condition (a2), as shown in FIG. 23 (b), the cleaning liquid forming the first seat backflow Fa is used to swirl in the toilet bowl portion 12 of the toilet bowl body 14 to one side Pa in the circumferential direction. 1 To form an in-pot flow Fc. In this figure, the main range Sf through which the cleaning liquid forming the first seat backflow Fa is transmitted in the toilet bowl portion 12 is shown.

Further, the toilet device 10 (toilet seat unit 16) is configured to satisfy the following condition (b). This condition (b) satisfies the following condition (b1) and condition (b2). The condition (b1) is that, as shown in FIGS. 7 and 24 (a), the cleaning liquid discharged by the second discharge unit 50B forms the second seat backflow Fb transmitted to the other side Pb in the circumferential direction on the back surface of the toilet seat 22. It is to be. The condition (b2) is, as shown in FIG. 24 (b), swirling toward the other side Pb in the circumferential direction in the toilet bowl portion 12 of the toilet bowl body 14 using the cleaning liquid forming the second seat backflow Fb. It is to form the second in-pot flow Fd. In this figure, the main range Sg through which the cleaning liquid forming the second seat backflow Fb is transmitted in the toilet bowl portion 12 is shown.

The first seat backflow Fa of the present embodiment is formed in a range including the rear portion of the right half region 38R on the back surface of the toilet seat 22 to the circumferential end portion 38Ra on the front side (see FIG. 6). The second seat backflow Fb of the present embodiment is formed in a range including the rear portion of the left half region 38L on the back surface of the toilet seat 22 to the circumferential end portion 38La on the front side. Most of the cleaning liquid forming the first seat backflow Fa and the second seat backflow Fb drips on the back surface of the toilet seat 22 with a horizontal velocity component. As described above, most of the cleaning liquid of the present embodiment drips from the mountain portion 88 provided on the back surface of the toilet seat 22 and the vicinity of the mountain portion 88.

The cleaning liquid forming the back-seat flow Fa and Fb drips from the back surface of the toilet seat 22, hits the inner surface of the toilet bowl portion 12, and then flows while maintaining the momentum of the speed component in the horizontal direction. , Fd is formed. In a plan view, the center Cq of the upper end opening of the toilet bowl portion 12 is defined as the center Cq of the toilet bowl portion 12. The flow Fc in the first pot of the present embodiment passes from the front region on the front side of the center Cq of the toilet bowl portion 12 to the left half region on the left side of the center Cq of the toilet bowl portion 12, and of the toilet bowl portion 12. It is formed so as to flow into the bottom (see FIG. 23 (b)). The second in-pot flow Fd of the present embodiment flows from the front region of the toilet bowl portion 12 to the bottom of the toilet bowl portion 12 while passing through the right half region on the right side of the center Cq of the toilet bowl portion 12. It is formed (see FIG. 24 (b)).

In order to satisfy the condition (a), the cleaning liquid discharged from the first discharge unit 50A is transmitted to one side Pa in the circumferential direction on the back surface of the toilet seat 22 with respect to the discharge direction of the cleaning liquid of the first discharge unit 50A and the toilet seat 22. At least the relative position of the first discharge portion 50A is set. In order to satisfy the condition (b), the cleaning liquid discharged from the second discharge unit 50B is transmitted to the other side Pb in the circumferential direction of the back surface of the toilet seat 22 with respect to the discharge direction of the cleaning liquid of the second discharge unit 50B and the toilet seat 22. At least the relative position of the second discharge portion 50B is set. If the seat back flow Fa and Fb can be formed by this, the cleaning liquid forming the seat back flow Fa and Fb drips from the back surface of the toilet seat 22, and the dripping cleaning liquid flows in the toilet bowl portion 12 to flow in the pot. Fc and Fd can be formed.

As a result, while cleaning the back surface of the toilet seat 22 with the first seat back flow Fa, it is possible to form a first pot in-pot flow Fc that cleans a wide range in the toilet bowl portion 12 with a small amount of cleaning liquid, and the back surface of the toilet seat 22 and the toilet bowl can be formed. The part 12 can be effectively washed.

Further, while cleaning the back surface of the toilet seat 22 with the second seat back flow Fb, it is possible to form a second bowl inner flow Fd that cleans a wide range in the toilet bowl portion 12 with a small amount of cleaning liquid, and the back surface of the toilet seat 22 and the toilet bowl portion can be formed. 12 can be effectively washed. In particular, the area that cannot be washed with the first seat backflow Fa can be washed with the second seat backflow Fb, while the area that cannot be washed with the first pot inner flow Fc can be washed with the second pot inner flow Fd. There are advantages.

FIG. 25 is a diagram showing a part of the cross section taken along the line EE of FIG. As shown in FIGS. 11 and 25, a second bowl facing surface 130 facing the inner surface of the toilet bowl portion 12 of the toilet bowl body 14 in the vertical direction Z is provided on the lower surface portion of the functional device 20. The second pot facing surface 130 is provided on the lower surface portion of the protruding portion 26b of the second casing 26. The second pot facing surface 130 is exposed in the internal space of the stool pot portion 12, and is easily contaminated by the droplets of filth received by the stool bowl portion 12 and the like.

As shown in FIGS. 3 and 25, the discharge portions 50A to 50C of the toilet device 10 include a third discharge portion 50C capable of discharging the cleaning liquid from the plurality of discharge holes 132A, 132B, 132C. The third discharge portion 50C of the present embodiment is provided on the lower surface portion of the functional device 20, more specifically, on the lower surface portion of the protruding portion 26b of the second casing 26. The third discharge portion 50C of the present embodiment is provided so as to protrude downward from the lower surface portion of the second casing 26. The third discharge portion 50C of the present embodiment is provided with an arc-shaped outer peripheral surface portion 134. The outer peripheral surface portion 134 of the present embodiment has an arc shape extending along the front-rear direction X. The cleaning liquid outlets of the discharge holes 132A to 132C through which the cleaning liquid flows out are opened in the outer peripheral surface portion 134.

The third discharge portion 50C of the present embodiment is arranged on the upper side of the right half portion of the toilet bowl main body 14. Specifically, the third discharge portion 50C is arranged on the upper side of the right half portion of the toilet bowl main body 14 located on the side (right side) opposite to the side (left side) where the second discharge portion B is located in the left-right direction Y. The third discharge unit 50C of the present embodiment is arranged behind the first discharge unit 50A and the second discharge unit 50B.

FIG. 26 is a cross-sectional view showing the internal structure of the third ejection portion 50C of FIG. 25. As shown in FIGS. 3, 25, and 26, the plurality of discharge holes 132A, 132B, and 132C have the discharge holes 132A for pots, which can discharge the cleaning liquid downward into the toilet bowl portion 12 of the toilet bowl body 14. Includes 132B and a third discharge hole 132C capable of discharging the cleaning liquid in a direction different from the discharge direction of the cleaning liquid of the pot discharge holes 132A and 132B.

The pot discharge holes 132A and 132B include a plurality of first discharge holes 132A and a plurality of second discharge holes 132B. The plurality of first discharge holes 132A are provided so as to be arranged in a row in the front-rear direction X. The same applies to the plurality of second discharge holes 132B and the plurality of third discharge holes 132C.

As shown in FIGS. 25 and 26, the first discharge hole 132A of the present embodiment can discharge a cleaning liquid having a downward velocity component in the vertical direction in the direction Pk1. The second discharge hole 132B of the present embodiment can discharge a cleaning liquid having a horizontal velocity component and a downward velocity component in the direction Pk2.

FIG. 27 is an explanatory diagram showing the flow in the third pot Fe1 to Fe3. FIG. 27 shows the main range Sh through which the cleaning liquid discharged by the third discharge unit 50C is transmitted.

The cleaning liquid discharged from the first discharge hole 132A hits the inner peripheral surface of the toilet bowl portion 12 below the first discharge hole 132A, and is guided to flow from there to the other side Pb in the circumferential direction. A third in-pot flow Fe1 that swirls in the same direction is formed. The cleaning liquid discharged from the first discharge hole 132A hits the inner peripheral surface of the toilet bowl portion 12 behind and to the right of the center Cq of the toilet bowl portion 12.

The cleaning liquid discharged from the second discharge hole 132B hits the inner peripheral surface of the toilet bowl portion 12 and then flows while maintaining the momentum of the horizontal velocity component, so that the cleaning liquid swirls to the other side Pa in the circumferential direction. 3 In-pot flow Fe2 is formed.

The third discharge hole 132C of the present embodiment can discharge the cleaning liquid along the second pot facing surface 130 of the functional device 20. The third discharge hole 132C can discharge a cleaning liquid having an upward velocity component. The third discharge hole 132C of the present embodiment discharges a cleaning liquid having an upward velocity component and a horizontal velocity component.

The third discharge hole 132C discharges the cleaning liquid so as to propagate from the right side to the left side (from the left side to the right side of the paper surface of FIG. 25) of the second bowl facing surface 130 of the functional device 20. As a result, the cleaning liquid discharged from the third discharge hole 132C forms a back surface flow Fg that propagates from the right side to the left side of the second pot facing surface 130 of the functional device 20. FIG. 7 shows the range Si through which the cleaning liquid forming the back surface flow Fg is transmitted. Most of the cleaning liquid forming the back surface flow Fg drips on the left half portion of the second pot facing surface 130 of the functional device 20 while having a horizontal velocity component. The cleaning liquid dripping from the second pot facing surface 130 of the functional device 20 hits the inner peripheral surface of the toilet bowl portion 12, and then swirls to the other side Pa in the circumferential direction while maintaining the momentum of the horizontal velocity component. 3 In-pot flow Fe3 is formed.

The third in-pot flow Fe1 to Fe3 flow toward the bottom of the toilet bowl portion 12 while swirling the rear portion of the toilet bowl portion 12 around the center Cq behind the center Cq of the toilet bowl portion 12. The swirling direction of the third in-pot flow Fe1 to Fe3 is the other side Pb in the circumferential direction, and the second in-pot flow Fd formed in the toilet bowl portion 12 by the cleaning liquid discharged by the second discharge portion 50B ( The direction is the same as the turning direction (see FIG. 24).

20 and 26 are referenced. The cleaning liquid is supplied to the plurality of discharge holes 132A to 132C of the third discharge unit 50C through the third liquid passage 120d branched from the first liquid passage 120a. The switching mechanism 122 described above has a third on-off valve 126D provided in the middle of the third liquid passage 120d. When the second discharge unit 50B executes the discharge operation of discharging the cleaning liquid, the control unit 124 opens the third liquid passage 120d by the third on-off valve 126D, so that the third discharge unit 50C also discharges the cleaning liquid. The switching mechanism 122 is controlled so as to execute.

FIG. 28 is an explanatory diagram showing the second pot flow Fd and the third pot flow Fe1 to Fe3. By the above-mentioned control, when the third discharge portion 50C discharges the cleaning liquid in the third pot to form Fe1 to Fe3 in the toilet bowl portion 12, the cleaning liquid discharged by the second discharge portion 50B causes the flow in the second pot. Fd is also formed in the toilet bowl portion 12. The third in-pot flow Fe1 to Fe3 swirl in the same circumferential direction as the first in-pot flow Fc, and join at the bottom of the toilet bowl portion 12. As a result, a swirling flow Fh having a large peripheral velocity component is formed at the bottom of the toilet bowl portion 12, and the cleaning ability of the bottom portion of the toilet bowl portion 12 is improved. Further, when the filth in the toilet bowl portion 12 is discharged through the trap portion 70 by utilizing the siphon action, the siphon is formed by forming such a swirling flow Fh having a large peripheral velocity component in the toilet bowl portion 12. There is also the advantage that the action can be obtained effectively.

The third pot flow Fe1 to Fe3 flow with a downward velocity component larger than the downward velocity component of the second pot flow Fd. The second in-pot flow Fd joins the third in-pot flows Fe1 to Fe3 above the bottom of the stool bowl portion 12, so that the inside of the stool bowl portion 12 does not flow into the bottom of the stool bowl portion 12. It is possible to avoid the situation of continuing to turn, and it becomes easier to discharge filth at an early stage.

The above-mentioned first pot flow Fc, second pot flow Fd, and third pot flow Fe1 to Fe3 flow in the entire inner peripheral surface of the toilet bowl portion 12 as a whole, and flow in the toilet bowl portion 12. The entire area is washed with the washing liquid.

(5) The fifth device of the toilet bowl device 10 will be described. As described above, the discharge portions 50A to 50C are provided in the second casing 26 of the functional device 20 as shown in FIG. 5 and the like. The discharge portions 50A and 50B are provided at different locations from the toilet seat 22 of the toilet bowl device 10. As the above-mentioned functional component, the second casing 26 accommodates a local cleaning device 140 for cleaning the local area of the seated person seated on the toilet seat 22. The local cleaning device 140 has a local cleaning nozzle 142 (hereinafter, simply referred to as a nozzle 142) for discharging cleaning water for locally cleaning the seated person.

FIG. 29 is a side sectional view of the second casing 26 passing through the nozzle 142. A nozzle opening 144 is formed in the second casing 26. The nozzle opening 144 of the present embodiment is formed on the slope portion 26c of the second casing 26. A nozzle shutter 146 capable of opening and closing the nozzle opening 144 is attached to the second casing 26. The nozzle shutter 146 of the present embodiment has a long plate shape in the left-right direction Y. The nozzle shutter 146 of the present embodiment is rotatably attached to the second casing 26 via a rotation shaft 148. The rotation shaft 148 of the present embodiment extends along the horizontal direction. The nozzle shutter 146 opens the nozzle opening 144 by rotating in one direction Pj1 around the rotation shaft 148, and closes the nozzle opening 144 by rotating in the opposite direction Pj2.

The nozzle 142 is provided so as to incline downward toward the front. The tip of the nozzle 142 is located below the nozzle 142, and a nozzle hole 142a for discharging cleaning water is formed at the tip of the nozzle 142. The nozzle 142 is driven by a nozzle drive mechanism (not shown) using a motor or the like so as to be able to move forward and backward with respect to the nozzle opening 144 with the opening and closing of the nozzle shutter 146. The nozzle 142 is provided so as to be able to advance and retreat with respect to the nozzle opening 144.

As shown in FIG. 3, the discharge portions 50A to 50C and the nozzle 142 are provided behind the center Cp of the toilet seat 22. These are provided behind the rear end 32a of the central opening 32 of the toilet seat 22 in the present embodiment. Further, in the present embodiment, these are housed in a series of internal spaces formed in the second casing 26.

As shown in FIG. 5, the first ejection portion 50A is provided on the right side, which is one side of the left-right direction Y with respect to the nozzle 142. The second discharge portion 50B is provided on the left side, which is the other side in the left-right direction Y with respect to the nozzle 142. The first discharge unit 50A and the second discharge unit 50B are arranged at positions where they overlap the nozzle 142 in the left-right direction Y in a plan view.

The discharge portions 50A to 50C are provided behind the front end portion 20a of the functional device 20. The discharge units 50A and 50B of the present embodiment are provided so as to satisfy this condition when the shutters 104A and 104B are located at the above-mentioned concealment position Pf1. The front end portion 20a of the functional device 20 is provided behind the center Cp of the toilet seat 22 (see FIG. 3). The front end portion 20a of the functional device 20 is provided behind the rear end portion 32a of the central opening 32 of the toilet seat 22. The front end portion 20a of the functional device 20 here means the front end portion of the second casing 26. The discharge portions 50A to 50C are provided at positions concealed by the functional device 20 in a plan view.

(E) The effect of the fifth device will be described. The discharge portions 50A to 50C are provided not in the toilet seat 22 but in the second casing 26 of the functional device 20. Therefore, even if the cleaning liquid remains inside the discharge portions 50A and 50B, the weight of the cleaning liquid is not applied to the toilet seat 22, and the case where the load to be applied to move the toilet seat 22 increases can be avoided. This refers to a case where the load to be applied in order to rotate the toilet seat 22 to the upright position increases in the present embodiment. It is possible to avoid an increase in the load to be applied in order to rotate to the upright position. Therefore, in realizing the cleaning of the back surface of the toilet seat 22, the usability of the toilet seat 22 can be maintained.

Further, the discharge portions 50A and 50B are provided behind the center Cp of the toilet seat 22 and on the left side or the right side with respect to the nozzle 142. Therefore, as compared with the case where the discharge portions 50A and 50B are provided in front of the center Cp of the toilet seat 22, the discharge portions 50A and 50B and the nozzle 142 can be provided in a cohesive place of the functional device 20, and the functional device 20 can be made compact. Can be planned.

The discharge portions 50A and 50B have a first discharge portion 50A capable of discharging cleaning liquid along the back surface of the toilet seat 22 toward one side Pa in the circumferential direction, and a back surface of the toilet seat 22 toward the other side Pb in the circumferential direction. A second discharge unit 50B capable of discharging the cleaning liquid is included. Therefore, as described above, in a part of the region (front end region 39) of the first bowl facing surface 34 of the toilet seat 22, the first seat backflow Fa transmitted to one side Pa in the circumferential direction and the other side Pb in the circumferential direction. The second seat backflow Fb transmitted to the toilet can be formed, and the area can be effectively washed.

In particular, the front end region 39 of the first bowl facing surface 34 of the toilet seat 22 is easily hit by urine droplets received by the toilet bowl portion 12 of the toilet bowl body 14, and is easily soiled. The first seat backflow Fa and the second seat backflow Fb can be formed in such a region, and there is an advantage in that the dirt can be easily washed off.

The discharge portions 50A to 50C are provided behind the front end portion 20a of the functional device 20. Therefore, when the inside of the toilet bowl portion 12 of the toilet bowl main body 14 is viewed from above, the discharge portions 50A to 50C are hidden by the functional device 20 and are difficult to see, and good design can be obtained.

Other features of the toilet bowl device 10 will be described. See FIG. A recess 150 that is recessed upward is formed in the lower surface portion of the rear portion of the toilet seat 22. The recess 150 is arranged at a position overlapping a part of the upper surface portion of the functional device 20 in the vertical direction Z. The recess 150 is formed in an outer shape that matches the outer shape of a part of the upper surface portion of the functional device 20, and is arranged along the upper surface portion thereof. As shown in FIG. 11, the discharge portions 50A to 50C are arranged at positions overlapping the recess 150 of the toilet seat 22 in the vertical direction Z.

The seat back discharge portions 50A and 50B are provided at positions away from the back surface of the toilet seat 22, and discharge the cleaning liquid in the discharge direction Pc so as to hit the back surface of the toilet seat 22 from that position. The seat back discharge portions 50A and 50B can discharge the cleaning liquid having an upward velocity component from the cleaning liquid outlet 76. The seat back discharge portions 50A and 50B can discharge the cleaning liquid so as to have an upward velocity component at least when the cleaning liquid outlet 76 flows out. It can be said that the discharge directions Pc of the seat back discharge portions 50A and 50B are set upward. The seat back discharge portions 50A and 50B of the present embodiment discharge a cleaning liquid having an upward velocity component in the vertical direction and a velocity component in the horizontal direction. The back seat discharge portions 50A and 50B of the present embodiment discharge a cleaning liquid having a larger horizontal velocity component than an upward velocity component.

FIG. 30A is a diagram schematically showing a cleaning liquid discharged by the first discharge unit 50A. The cleaning liquid discharged from the seat back discharge portions 50A and 50B tends to approach zero in the vertical direction due to the influence of gravity, but hits the back surface of the toilet seat 22 before the velocity component becomes zero. The cleaning liquid discharged from the seat back discharge portions 50A and 50B hits the back surface of the toilet seat 22 with an upward velocity component. It can be said that the toilet device 10 (toilet seat unit 16) is configured to satisfy this condition. In order to satisfy this condition, in addition to the discharge direction Pc of the cleaning liquid of the seat back discharge portions 50A and 50B, the distance from the place where the cleaning liquid hits the back surface of the toilet seat 22 to the discharge portions 50A and 50B, and the discharge portions 50A and 50B. The supply pressure and the like applied to the supplied cleaning liquid are set. The smaller the distance and the higher the supply pressure of the cleaning liquid, the easier it is to satisfy the above-mentioned conditions.

This advantage will be explained. FIG. 30B is a diagram schematically showing the cleaning liquid discharged by the first discharge unit 50A of the second modification. The first discharge unit 50A of this example discharges a cleaning liquid having only a velocity component in the horizontal direction. The first discharge unit 50A of this example discharges a cleaning liquid having no upward velocity component. In this case, a part of the cleaning liquid flowing out from the cleaning liquid outlet 76 of the first discharge portion 50A is affected by gravity and easily flows downward without hitting the back surface of the toilet seat 22. In particular, the tendency becomes stronger as the part of the cleaning liquid flowing out from the position near the lower end edge of the cleaning liquid outlet 76 becomes stronger.

On the other hand, according to the present embodiment, as shown in FIG. 30 (a), even if it is affected by gravity, it is easy to design so that most of it is applied to the back surface of the toilet seat 22. Therefore, as compared with the example of FIG. 30B, the amount of the cleaning liquid flowing down the back surface of the toilet seat 22 is increased by reducing the amount of the cleaning liquid flowing down from the back seat discharge portions 50A and 50B without hitting the back surface of the toilet seat 22. This facilitates the cleaning of the back surface of the toilet seat 22 effectively.

(6) The sixth device of the toilet bowl device 10 will be described. FIG. 31 is an enlarged side view of a part of the toilet seat unit 16. As described above, the functional device 20 includes a first casing 24 and a second casing 26. The first casing 24 has a base plate 160 installed on the upper surface of the rear part of the toilet body 14, and a case cover 162 attached to the base plate 160 so as to cover the base plate 160 from above. In this figure, a part of the case cover 162 is omitted.

FIG. 32 is a diagram schematically showing the positional relationship between the toilet seat 22 and the second casing 26. 33 is a perspective view of FIG. 32 (b), and FIG. 34 is a perspective view of FIG. 32 (c). The toilet seat 22 is rotatably attached to the first casing 24 via the first hinge mechanism 164. The toilet seat 22 has a lying position (see FIG. 32 (a)) that has fallen on the toilet body 14 due to its own rotation, and an upright position (FIG. 32 (b), (c)) that stands up against the toilet body 14. ) And can be moved to. In this specification, unless otherwise specified, the positional relationship of the toilet seat 22 will be described with reference to the case where the toilet seat 22 is in the inverted position.

The second casing 26 is movably attached to the base plate 160 of the first casing 24. The second casing 26 of the present embodiment is rotatably attached to the first casing 24 via the second hinge mechanism 166. The second casing 26 has a first position (see FIGS. 32 (a) and 32 (b)) placed on the upper surface of the toilet bowl body 14, and at least the front portion of the second casing 26 is positioned above the first position. It is possible to move to the second position (see FIG. 32 (c)). The second casing 26 of the present embodiment has a lying position as a first position to lie down on the toilet bowl body 14 by rotating itself, and a standing position as a second position to stand up with respect to the toilet bowl main body 14. It is possible to move between. In the present specification, unless otherwise specified, the positional relationship of the second casing 26 will be described with reference to the case where the second casing 26 is in the first position.

As shown in FIG. 31, the second casing 26 is provided separately from the toilet seat 22, and is rotatably attached to the toilet body 14 via the first casing 24. The second casing 26 has a main body portion 26e provided with the first discharge portions 50A to 50C. The main body portion 26e is provided so that at least a part thereof is located in front of the second hinge shaft 166a of the second hinge mechanism 166, which is the center of rotation of the second casing 26. The second hinge shaft 166a is provided so as to be located behind the toilet bowl portion 12 of the toilet bowl body 14 and above the upper surface portion of the toilet bowl body 14. The main body portion 26e of the second casing 26 of the present embodiment is provided so as to be entirely located in front of the second hinge shaft 166a. Further, the main body portion 26e of the second casing 26 is provided so that at least a part thereof is located at a position overlapping with the toilet bowl portion 12 of the toilet bowl main body 14 in the vertical direction.

As shown in FIG. 32 (c), the main body portion 26e of the second casing 26 is provided so as to be located above the second hinge shaft 166a when the second casing 26 is in the second position. Although not shown, the main body portion 26e of the present embodiment is provided so as to be located above the first casing 24 when the second casing 26 is in the second position.

33 and 34 will be referred to. When the second casing 26 is in the first position, the second casing 26 is provided so as to cover the upper surface portion of the rear portion of the rim portion 18 of the toilet bowl portion 12 from above. In FIG. 33, the range Sj in which the rim portion 18 is covered by the second casing 26 is shown with hatching. At this time, the second casing 26 is provided so as to cover the rear end 12c of the upper end opening 12b of the toilet bowl portion 12 so as to cover the range Sj straddling the front-rear direction X.

When the second casing 26 is in the second position, the upper surface portion of the rim portion 18 of the toilet bowl portion 12 is provided so as to be exposed in a continuous range in an annular shape. At this time, the upper surface portion of the rim portion 18 of the toilet bowl portion 14 is provided so that the range Sj straddling the rear end 12c of the upper end opening 12b of the toilet bowl portion 12 in the front-rear direction X is exposed.

The toilet seat unit 16 can expose a part of the upper surface portion of the toilet bowl main body 14 by rotating the second casing 26 instead of simply moving the second casing 26 upward. Therefore, when the second casing 26 is moved to the second position to expose a part of the upper surface portion of the toilet bowl main body 14, most of the second casing 26 is not located above the exposed portion. Along with this, the visibility of the exposed portion on the upper surface of the toilet bowl main body 14 becomes good, and the cleanability of the exposed portion becomes good.

Further, when the second casing 26 is moved from the first position to the second position, the discharge portions 50A to 50C provided in the main body portion 26e of the second casing 26 can be moved upward. Therefore, when the second casing 26 is in the second position, a wide range of the upper surface portion of the toilet bowl body 14 is around the space occupied by the discharge portions 50A and 50B when the second casing 26 is in the first position. Sj can be exposed. Therefore, while incorporating the discharge portions 50A to 50C into the second casing 26, the cleanability of the upper surface portion of the toilet bowl main body 14 is improved.

Further, since the discharge portions 50A to 50C are provided not in the toilet seat 22 but in the second casing 26, the above-mentioned effect (E) can be obtained.

Other features related to the sixth device will be described. FIG. 35 is a view seen from the arrow F of FIG. 31. FIG. 36 is an enlarged cross-sectional view showing a part of FIG. 35. FIG. 37 is a sectional view taken along line GG of FIG. 36. The second casing 26 is rotatably attached to the toilet body 14 via the first casing 24 by using the second hinge mechanism 166. The second hinge mechanism 166 has a second hinge shaft 166a, a second hinge base portion 166b provided on the first casing 24, and a second hinge portion 166c provided on the second casing 26. The second hinge shaft 166a rotatably connects the second hinge portion 166c to the second hinge base portion 166b. The second casing 26 is rotatably connected to the toilet bowl body 14 around the second hinge shaft 166a via the second hinge shaft 166a.

The second hinge shaft 166a is rotatably provided integrally with the second hinge portion 166c. The second hinge shaft 166a of the present embodiment constitutes a part of the same member as the second hinge portion 166c, and is provided so as to protrude outward in the left-right direction Y of the second hinge portion 166c.

The second hinge base portion 166b is concealed from the outside by the case cover 162 of the first casing 24 (see FIG. 31). The second hinge base portion 166b of the present embodiment is provided so as to protrude upward from the base plate 160 of the first casing 24. A shaft support hole 166d is formed in the second hinge base portion 166b of the present embodiment through which the second hinge shaft 166a is inserted and which rotatably supports the second hinge shaft 166a. The shaft support hole 166d of the present embodiment is provided so as to open toward the inside of the second hinge base portion 166b in the left-right direction Y.

FIG. 38 is a perspective view of the functional device 20. The second hinge portion 166c is provided so as to protrude rearward from the main body portion 26e of the second casing 26 when the second casing 26 is in the first position (downside position). A plurality (two) of the second hinge portions 166c are provided on the first casing 24 at intervals in the left-right direction Y.

A hinge accommodating portion 24a for accommodating the second hinge portion 166c is provided on the front portion of the first casing 24. The hinge accommodating portion 24a is individually provided corresponding to each of the plurality of second hinge portions 166c. The hinge accommodating portion 24a is provided so as to be recessed rearward from the front surface portion of the first casing 24. The hinge accommodating portion 24a of the present embodiment is formed with an opening 24b so as to open forward and upward. The second hinge portion 166c is accommodated so as to be fitted into the hinge accommodating portion 24a when the second casing 26 is in the first position. At this time, the upper surface portion of the second hinge portion 166c of the second casing 26 is provided so as to be flush with the upper surface portion of the first casing 24. In the present embodiment, the upper surface portion of the main body portion 26e of the second casing 26 is also provided so as to be flush with the upper surface portion of the first casing 24.

As shown in FIG. 5, inside the second hinge mechanism 166, the above-mentioned liquid supply passage 120 for supplying the cleaning liquid from the outside of the second casing 26 to the inside is provided. Inside one of the two second hinge mechanisms 166, the second hinge mechanism 166, a part of the first liquid passage 120a of the liquid supply passage 120 for supplying the cleaning liquid to the first discharge portion 50A is provided. .. Inside the other second hinge mechanism 166, a part of the second liquid passage 120b of the liquid supply passage 120 for supplying the cleaning liquid to the second discharge portion 50B is provided.

36 and 37. A part of such a liquid supply passage 120 is formed in each of the second hinge shaft 166a, the second hinge base portion 166b, and the second hinge portion 166c, which are components of the second hinge mechanism 166. A part of the liquid supply passage 120 is that the hose is not formed in the present embodiment.

The second hinge shaft 166a is provided with a first liquid passage forming surface 172A extending along the axial direction of the second hinge shaft 166a. The first liquid passage forming surface 172A opens toward the side (left side on the paper in FIG. 36) where the second hinge base portion 166b is located in the axial direction of the second hinge shaft 166a, and is opposite to the side in the axial direction. It constitutes a bottomed hole that closes toward (on the right side of the paper in FIG. 36).

The second hinge base portion 166b is provided with a second liquid passage forming surface 172B that forms an internal space connected to the internal space of the first liquid passage forming surface 172A of the second hinge shaft 166a. The second liquid passage forming surface 172B has an upstream side portion 172Ba extending radially outward of the second hinge shaft 166a and a downstream side portion 172Bb extending along the axial direction of the second hinge shaft 166a. The downstream portion 172Bb of the second liquid passage forming surface 172B is formed on the inner side of the shaft support hole 166d.

The second hinge portion 166c is provided with a second liquid passage forming surface 172C that forms an internal space connected to the internal space of the first liquid passage forming surface 172A of the second hinge shaft 166a. The second liquid passage forming surface 172C extends radially outward of the second hinge shaft 166a, and a liquid passage forming member such as a hose is connected to the end portion thereof.

Since the liquid supply passage 120 is provided inside the second hinge mechanism 166 of the present embodiment, the cleaning liquid is supplied into the second casing 26 by utilizing the space occupied by the components of the second hinge mechanism 166. become able to.

In particular, in the present embodiment, the component of the second hinge mechanism 166 is provided with the liquid passage forming surfaces 172A to 172C forming a part of the liquid supply passage 120. When a hose is inserted into the inside of the second hinge mechanism 166 and the liquid supply passage 120 is provided in the hose, the hose is twisted due to the rotation of the second casing 26, so that a countermeasure is required. In this respect, according to the present embodiment, there is an advantage that a part of the liquid supply passage 120 can be provided inside the second hinge mechanism 166 without taking measures against the twist of the hose.

Other features of the toilet seat unit 16 will be described. As shown in FIGS. 31 and 36, the toilet seat unit 16 includes a cable 174 that is routed so as to pass through the inside of the first casing 24 and the second casing 26. The cable 174 connects the on-off valve 126A, which is a functional component inside the second casing 26, and the control unit 124, which is an electronic component arranged outside the second casing 26. The control unit 124 supplies a control signal and electric power to the on-off valve 126A through the cable 174.

A cable insertion hole 166e for inserting the cable 174 is formed in the second hinge portion 166c of the second hinge mechanism 166. The cable insertion hole 166e of the present embodiment is formed so as to extend in the same direction as the extension direction of the second liquid passage forming surface 172C of the second hinge portion 166c.

As shown in FIG. 31, the toilet seat 22 is rotatably attached to the toilet body 14 via the base plate 160 of the first casing 24 by using the first hinge mechanism 164. The first hinge mechanism 164 is provided on the first hinge shaft 164a rotatably provided with the toilet seat 22 and the base plate 160 of the first casing 24, and rotatably supports the first hinge shaft 164a. It has one hinge base portion 164b. The toilet seat 22 is rotatably connected to the toilet body 14 via the first hinge shaft 164a around the first hinge shaft 164a.

As shown in FIG. 38, the first hinge base portion 164b is exposed without being concealed by the case cover 162 of the first casing 24. The first hinge base portion 164b of the present embodiment is provided so as to protrude upward from the upper surface portion of the first casing 24 and has a cylindrical shape extending in the left-right direction Y.

As shown in FIG. 32, the second hinge shaft 166a is arranged in front of the first hinge shaft 164a. As a result, as shown in FIG. 32 (c), when the toilet seat 22 is in the upright position and the second casing 26 is in the second position (upright position), the positions of the toilet seat 22 and the second casing 26 are set to X in the front-rear direction. It can be shifted to make it easier to design to avoid interference between the two. The second hinge shaft 166a of the present embodiment is arranged below the first hinge shaft 164a.

As shown in FIGS. 2 and 38, the first casing 24 is formed with a relief portion 24c for avoiding interference with the rear end portion of the toilet seat 22 when the toilet seat 22 is rotated to an upright position. The relief portion 24c of the present embodiment is a concave portion provided on the upper surface portion of the first casing 24 and is recessed downward. Further, the toilet lid 176 is rotatably attached to the toilet body 14 via the first hinge shaft 164a common to the toilet seat 22 on the first casing 24.

Other features of the toilet bowl device 10 will be described. As described above, the toilet seat unit 16 has a first discharge unit 50A, a second discharge unit 50B, and a third discharge unit 50C capable of discharging the cleaning liquid. The first discharge unit 50A to the third discharge unit 50C clean the inside of the toilet bowl portion 12 of the toilet bowl body 14 by forming the in-pot flow Fc, Fd, and Fe1 to Fe3 with the cleaning liquid discharged from the first discharge portion 50A to the third discharge portion 50C. It can be said that the first discharge unit 50A to the third discharge unit 50C can discharge the cleaning liquid for cleaning the toilet bowl portion 12.

As shown in FIG. 2, the upper part of the toilet bowl portion 12 is not provided with a discharge portion capable of discharging the cleaning liquid for cleaning the toilet bowl portion 12. In the present embodiment, the toilet bowl portion 12 is not provided with the discharge portion, but the toilet bowl portion 12 is cleaned by using the discharge portions 50A, 50B, and 50C provided in the toilet seat unit 16. The upper portion of the toilet bowl portion 12 of the present embodiment is continuous in the circumferential direction around the vertical line passing through the center Cq (see FIG. 23) of the upper end opening 12b of the toilet bowl portion 12. Further, in the present embodiment, the lower portion of the toilet bowl portion 12 is not provided with a discharge portion capable of discharging the cleaning liquid.

(F1) As a result, since there is no discharge portion on the upper part of the toilet bowl portion 12, it becomes easier to wipe and clean the inner peripheral surface of the upper portion of the toilet bowl portion 12 in the circumferential direction, and the cleanability of the toilet bowl portion 12 is good. Will be. Further, since there is no discharge portion on the upper portion of the toilet bowl portion 12, the inner peripheral surface of the upper portion of the toilet bowl portion 12 has a neat structure, and good design can be obtained.

The entrance 70a of the trap portion 70 of the toilet bowl body 14 described above is open to the inner wall surface on the front side of the toilet bowl portion 12. In addition to the entrance 70a of the trap portion 70, no other opening is opened on the inner wall surface on the rear side of the toilet bowl portion 12. As a result, when the inside of the toilet bowl portion 12 of the toilet bowl main body 14 is viewed from the front side, it becomes difficult to visually recognize the entrance 70a of the trap portion 70. Therefore, when the inside of the toilet bowl portion 12 is viewed from the front side, the bottom portion of the toilet bowl portion 12 as well as the upper portion of the toilet bowl portion 12 has a neat structure, and good design can be obtained.

(Second Embodiment)
FIG. 39 is a diagram showing a part of the toilet bowl device 10 of the second embodiment. In FIG. 39 (a), the shutter 104A is in the concealed position Pf1, and in FIG. 39 (b), the shutter 104A is in the exposed position Pf2. This embodiment is mainly related to the second device.

The discharge unit 50A of the present embodiment is provided separately from the shutter 104A. Further, the discharge portion 50A of the present embodiment has a long shape as a whole, and is supported by the second casing 26 so as to be linearly movable in the advancing / retreating direction Pm. The cleaning liquid outlet 76 of the discharge hole 74 is opened on the outer peripheral surface of the discharge portion 50A.

The drive mechanism 108A (not shown) of the present embodiment moves the discharge unit 50A between the advance position Ph1 and the retracted position Ph2 by driving the discharge unit 50A in the advancing / retreating direction Pm, and moves the shutter 104A to the concealed position Pf1. And the exposure position Pf2.

Specifically, as shown in FIG. 39B, when the discharge unit 50A is driven to one side (left side in the figure) of the advancing / retreating direction Pm by the drive mechanism 108A, a pressing force is applied to the shutter 104A. As a result, the discharge unit 50A moves the shutter 104A in the direction of opening the opening 102A with the rotation of the shutter 104A. As a result, the discharge portion 50A is moved from the opening 102A in which the shutter 104A is opened to the advance position Ph1 that advances to the outside. Further, the shutter 104A is moved to the exposure position Pf2 that exposes the discharge hole 74 of the discharge portion 50A to the outside. At this time, by applying the cleaning liquid discharged from the discharge hole 74 of the discharge unit 50A to the back surface of the toilet seat 22 in the discharge direction Pc, the cleaning liquid can be transmitted to the back surface of the toilet seat 22.

The shutter 104A is provided with an urging force toward closing the opening 102A of the second casing 26 by an urging member (not shown). When the discharge portion 50A is driven to the other side (right side in the figure) of the advancing / retreating direction Pm by the drive mechanism 108A, the discharge portion 50A is moved to the retracted position Ph2 retracted inward from the opening 102A as shown in FIG. 39 (a). Be done. Along with this, the shutter 104A is moved in the direction of closing the opening 102A with its own rotation by the urging force of the urging member. As a result, the shutter 104A is moved to the concealment position Pf1 that conceals the discharge hole 74 of the discharge unit 50A from the outside.

As described above, the specific structure thereof is not particularly limited in providing the discharge portion 50A so as to be able to advance and retreat with respect to the opening 102A of the second casing 26.

(Third Embodiment)
FIG. 40 is a diagram schematically showing a part of the toilet seat 22 of the third embodiment. This embodiment is mainly related to the second device. The discharge portion 50A of the present embodiment is provided on the back surface of the toilet seat 22 instead of the second casing 26 of the functional device 20.

The shutter 104A of the present embodiment can open and close the discharge hole 74 of the discharge portion 50A instead of the opening 102A of the second casing 26. The shutter 104A of the present embodiment can open and close the discharge hole 74 of the discharge unit 50A corresponding to the shutter 104A by rotating around the rotation shaft 106. The shutter 104A closes the discharge hole 74 when it is in the concealment position Pf1 that hides the discharge hole 74 from the outside. The shutter 104A opens the discharge hole 74 when it is at the exposure position Pf2 that exposes the discharge hole 74 to the outside. At this time, by discharging the cleaning liquid from the discharge hole 74 of the discharge portion 50A in the discharge direction Pc, the cleaning liquid can be transmitted to the back surface of the toilet seat 22.

In this way, the shutter 104A may conceal the discharge hole 74 by closing the discharge hole 74, or may conceal the discharge hole 74 by closing the opening 102A of the accommodating member.

(Fourth Embodiment)
FIG. 41 is a diagram schematically showing a part of the toilet bowl device 10 of the fourth embodiment. FIG. 41A shows an example in which the toilet seat 22 is in the inverted position and the second casing 26 is in the first position. FIG. 41B shows an example in which the toilet seat 22 is in the upright position and the second casing 26 is in the first position. FIG. 41 (c) shows an example in which the toilet seat 22 is in the upright position and the second casing 26 is in the second position.

This embodiment is mainly related to the fifth device. In providing the discharge portion 50A in the second casing 26 of the functional device 20, the example in which the second casing 26 is rotatably attached to the toilet bowl main body 14 via the first casing 24 has been described.

In addition to this, the second casing 26 may be attached to the toilet bowl body 14 so as to be movable in the vertical direction. Specifically, the second casing 26 can move between the first position mounted on the upper surface portion of the toilet bowl main body 14 and the second position separated upward from the upper surface portion of the toilet bowl main body 14. Even in this case, the effect described in (E) can be obtained.

(Fifth Embodiment)
FIG. 42 is a diagram schematically showing a part of the toilet bowl device 10 of the fifth embodiment. FIG. 42A shows an example in which the toilet seat 22 is in the inverted position and the first casing 24 is in the first position. FIG. 42B shows an example in which the toilet seat 22 is in the inverted position and the first casing 24 is in the second position. FIG. 42C shows an example in which the toilet seat 22 is in the upright position and the first casing 24 is in the second position.

This embodiment is mainly related to the fifth device. In providing the discharge unit 50A in the functional device 20, the discharge unit 50A may be provided in the first casing 24 of the functional device 20, and the second casing 26 may be omitted.

The first casing 24 is attached to the toilet bowl body 14 so as to be movable in the vertical direction. Specifically, the first casing 24 can move between the first position mounted on the upper surface portion of the toilet bowl main body 14 and the second position separated upward from the upper surface portion of the toilet bowl main body 14. Even in this case, the effect described in (E) can be obtained.

(Sixth Embodiment)
43 and 44 are side sectional views schematically showing a part of the toilet bowl device 10 of the sixth embodiment. FIG. 43 shows the toilet seat 22 in the inverted position, and FIG. 44 shows the state in which the toilet seat 22 is in the upright position. As described above, the discharge unit 50A is rotatably attached to the second casing 26 of the functional device 20 via the rotation shaft 106.

The angle formed by the discharge direction Pc of the discharge unit 50A with respect to the horizontal plane is defined as the discharge angle θ. As shown in FIG. 43, the discharge angle θ when the discharge direction Pc is upward is a negative angle, and as shown in FIG. 44, the discharge angle θ when the discharge direction Pc is downward is a positive angle. .. At this time, the discharge unit 50A can change the discharge angle θ within a range of −90 ° or more and 90 ° or less by rotating around the rotation shaft 106.

The toilet device 10 of the present embodiment includes a changing mechanism 180 capable of changing the discharge direction Pc in which the discharge unit 50A discharges the cleaning liquid according to the rotation position which is the position in the rotation range of the toilet seat 22. The changing mechanism 180 of the present embodiment includes a toilet seat sensor 182 capable of detecting the rotation position of the toilet seat 22, a drive mechanism 108A capable of driving the discharge unit 50A, and a control unit 124 capable of controlling the drive mechanism 108A. ..

The toilet seat sensor 182 is, for example, a combination of a Hall IC and a magnet, a micro switch, or the like. The toilet seat sensor 182 of the present embodiment can detect that the toilet seat 22 is in the inverted position and can detect that the toilet seat 22 is in the upright position. When the toilet seat sensor 182 detects the rotation position of the toilet seat 22, it outputs a position signal indicating the rotation position to the control unit 124.

The drive mechanism 108A is configured by using a motor or the like. The drive mechanism 108A of the present embodiment is connected to the rotation shaft 106, and by rotating the discharge portion 50A around the rotation shaft 106 integrally with the rotation shaft 106, the discharge direction Pc of the discharge portion 50A is moved up and down. It can be changed. The drive mechanism 108A can drive the shutter 104A together with the discharge unit 50A as in the first embodiment, but it is sufficient that only the discharge unit 50A can be driven regardless of the shutter 104A.

The control unit 124 can change the discharge direction Pc of the discharge unit 50A by driving the discharge unit 50A through control to the drive mechanism 108A. The control unit 124 of the present embodiment can change the discharge direction Pc of the discharge unit 50A up and down by changing the rotation position of the discharge unit 50A through control with respect to the drive mechanism 108A.

As shown in FIG. 43, when the control unit 124 receives a position signal indicating that the toilet seat 22 is in the inverted position from the toilet seat sensor 182, the control unit 124 changes the discharge direction Pc of the discharge unit 50A so that the cleaning liquid is discharged upward. do. The changing mechanism 180 sets the discharge direction Pc of the discharge portion 50A so that the cleaning liquid is discharged upward when the toilet seat 22 is in the inverted position. At this time, the change mechanism 180 changes the discharge direction Pc of the discharge portion 50A so that the cleaning liquid hits the back surface of the toilet seat 22. The changing mechanism 180 changes the discharge angle θ to a range of −90 ° or more and less than 0 ° when the toilet seat 22 is in the inverted position. The cleaning liquid discharged from the discharge unit 50A in this state hits the back surface of the toilet seat 22 and then is transmitted to the back surface.

As shown in FIG. 44, when the control unit 124 receives a position signal indicating that the toilet seat 22 is in the upright position from the toilet seat sensor 182, the control unit 124 changes the discharge direction Pc of the discharge unit 50A so that the cleaning liquid is discharged downward. do. The changing mechanism 180 sets the discharge direction Pc of the discharge unit 50A so that the cleaning liquid is discharged downward when the toilet seat 22 is in the upright position. The changing mechanism 180 changes the discharge angle θ to a range of more than 0 ° and 90 ° or less when the toilet seat 22 is in the upright position. The cleaning liquid discharged from the discharge portion 50A in this state is applied to the inner surface of the toilet bowl portion 12 of the toilet bowl main body 14 without hitting the back surface of the toilet seat 22.

According to the above-mentioned toilet device 10, by using the changing mechanism 180, it is possible to design the discharge direction Pc of the discharge portion 50A to be a desired condition according to the rotation position of the toilet seat 22, and the degree of freedom in design is increased. It can be enhanced.

Further, when the toilet seat 22 is in the inverted position, the back surface of the toilet seat 22 can be cleaned with the cleaning liquid by changing the discharge direction Pc of the discharge unit 50A so that the cleaning liquid is discharged upward. Further, by changing the discharge direction Pc of the discharge portion 50A so that the cleaning liquid is discharged downward when the toilet seat 22 is in the upright position, it is possible to prevent the cleaning liquid from scattering to the outside of the toilet bowl portion 12. Therefore, while the back surface of the toilet seat 22 can be cleaned, it is possible to prevent the cleaning liquid from being scattered around when the toilet seat 22 is in the upright position, and good usability can be obtained.

The control unit 124 of the present embodiment changes the discharge direction Pc of the discharge unit 50A according to the position signal when the position signal is received from the toilet seat sensor 182. In addition to this, when the control unit 124 receives the above-mentioned cleaning start command, the control unit 124 changes the discharge direction Pc of the discharge unit 50A according to the position signal based on the position signal output from the toilet seat sensor 182 at that time. You may.

The change mechanism 180 of the present embodiment has described an example in which the discharge direction Pc of the discharge unit 50A can be changed under the control of the control unit 124. The change mechanism 180 may change the discharge direction Pc of the discharge unit 50A according to the rotation position of the toilet seat 22, and the control by the control unit 124 is not essential.

For example, the changing mechanism 180 may have a transmission mechanism that mechanically transmits the rotation operation of the toilet seat 22 as the rotation operation of the discharge unit 50A. The transmission mechanism is configured by using, for example, gears, links, belts, and the like. The transmission mechanism changes the discharge direction Pc of the discharge portion 50A upward when the toilet seat 22 is in the inverted position. Further, the transmission mechanism changes the discharge direction Pc of the discharge portion 50A downward when the toilet seat 22 is in the upright position.

Further, the change mechanism 180 may be capable of changing the discharge range instead of the discharge direction Pc of the discharge unit 50A. In order to realize this, the changing mechanism 180 has, for example, a limiting member for limiting the discharge range of the discharge unit 50A. The discharge unit 50A has a wide-angle discharge range so that at least a part of the cleaning liquid is discharged upward. The limiting member is arranged inside the discharge hole 74 or outside the discharge hole 74 of the discharge portion 50A, and can operate according to the rotation position of the toilet seat 22 by the above-mentioned drive mechanism or transmission mechanism.

In such an operation mode, the limiting member is moved to a position that does not limit the discharging range of the discharging portion 50A when the toilet seat 22 is in the inverted position. As a result, the changing mechanism 180 sets the discharge range in the vertical direction of the discharge unit 50A so that at least a part of the cleaning liquid is discharged upward. At this time, the discharge unit 50A discharges the cleaning liquid both upward and downward.

Further, as the above-mentioned operation mode, the limiting member is moved to a position that limits the discharging range of the discharging portion 50A when the toilet seat 22 is in the upright position. At this time, the limiting member limits the discharge range of the discharge unit 50A so that the cleaning liquid is discharged downward. As a result, the changing mechanism 180 sets the discharge range in the vertical direction of the discharge unit 50A so that the cleaning liquid is discharged downward. The changing mechanism 180 expands the discharge range in the vertical direction of the discharge portion 50A when the toilet seat 22 is in the inverted position, and reduces the discharge range when the toilet seat 22 is in the upright position. As a result, it is possible to prevent the cleaning liquid from being scattered around when the toilet seat 22 is in the upright position while realizing the cleaning of the back surface of the toilet seat 22, and good usability can be obtained.

Further, by using the changing mechanism 180, it is possible to design the discharge range of the discharge portion 50A to be a desired condition according to the rotation position of the toilet seat 22, and the degree of freedom in design is increased.

The present invention has been described above based on the embodiments. Next, a modification of each component will be described.

Although the example in which the toilet seat 22 is rotatably attached to the toilet body 14 via the functional device 20 has been described, the toilet seat 22 may be directly rotatably attached to the toilet body 14. In this case, the toilet seat unit 16 does not have to be provided with the functional device 20.

The discharge portions 50A and 50B may discharge the cleaning liquid along the portion other than the first bowl facing surface 34 of the toilet seat 22 in addition to the first bowl facing surface 34.

(Regarding the first device)
Although the example in which the guide portions 40 and 42 are provided on the toilet seat 22 has been described, the present invention is not limited thereto. For example, in addition to the toilet seat 22, it may be provided on the toilet body 14. Although the example in which the first guide portion 40 and the second guide portion 42 are formed by different portions of the same inner peripheral side convex portion 56 has been described, different portions separated from each other may be formed.

The inner peripheral side convex portion 56 utilizes the Coanda effect to change the flow direction of the cleaning liquid propagating in the circumferential direction on the outer peripheral surface 56a so as to bend inward in the radial direction, thereby forming the first bowl facing surface 34 of the toilet seat 22. An example of inducing the cleaning liquid along the inner peripheral side portion was explained. In addition to this, the first pot facing surface is changed so that the flow direction of the cleaning liquid transmitted in the circumferential direction is bent inward in the radial direction without utilizing the Coanda effect. The cleaning liquid may be guided along the inner peripheral side portion of 34.

The shape of the inner peripheral side convex portion 56 is not particularly limited as long as it protrudes downward from the inner peripheral side portion of the first bowl facing surface 34 of the toilet seat 22. The outer peripheral side convex portion 58 may also protrude downward from the outer peripheral side portion of the first bowl facing surface 34, and its shape is not particularly limited. Both the inner peripheral side convex portion 56 and the outer peripheral side convex portion 58 are not continuous protrusions in the circumferential direction, but may be simple protrusions. Further, the inner peripheral side convex portion 56 and the outer peripheral side convex portion 58 may be arranged at arbitrary positions in relation to the pooled water 72 of the toilet bowl main body 14.

The shape that satisfies the conditions described in (A-1) and (A-2) above is not particularly limited. As a shape satisfying this condition, the outer peripheral surface 56a of the inner peripheral side convex portion 56 may have a planar shape, a convex curved surface shape, or the like in a vertical cross section passing through the center Cp of the toilet seat 22. Similarly, the inner peripheral surface 58a of the outer peripheral side convex portion 58 may also have a planar shape, a convex curved surface shape, or the like in the same vertical cross section.

The specific shape of the discharge hole 74 is not particularly limited. The discharge hole 74 may be formed so as to have the same size without widening the inner width toward the cleaning liquid outlet 76, for example.

The flow control structure 64 is not limited to the upper end edge of the toilet bowl portion 12. The flow regulation structure 64 may be, for example, a seal member sandwiched between the toilet bowl main body 14 and the toilet seat 22.

The example in which the first inclined surface 82 is provided in the range from the rear end portion of the right half region 38R to the front end portion 38Ra in the circumferential direction has been described. The first inclined surface 82 may be provided at least in a part of the range in which the cleaning liquid discharged from the first discharge portion 50A is transmitted. For example, the first inclined surface 82 has a range in which the cleaning liquid discharged from the first discharge portion 50A travels from the central portion 38Rb in the front-rear direction Y of the right half region 38R to the front peripheral end portion 38Ra. It may be provided in the whole of, or may be provided only in a part of the range.

When there is no second discharge portion 50B, only the first inclined surface 82 corresponding to the first discharge portion 50A may be provided without providing the second inclined surface 86 corresponding to the second discharge portion 50B. In this case, when the cleaning liquid discharged from the first discharge portion 50A is transmitted to the range from the right half region 38R to the left half region 38L, the first inclined surface 82 is provided in the entire range. You may.

The mountain portion 88 may be formed by at least a part of the lower end portion of the first inclined surface 82 and the lower end portion of the second inclined surface 86. For example, the mountain portion 88 may be composed of a lower end portion of the first inclined surface 82 and a lower end portion of the second inclined surface 86, as well as a flat surface connected to these.

(Regarding the second device)
In the first to third embodiments, the discharge units 50A and 50B discharge the cleaning liquid for cleaning the back surface of the toilet seat 22 from the discharge hole 74, and the shutters 104A and 104B conceal the discharge hole 74. An example of exposure was explained. In addition to this, the discharge portions 50A and 50B discharge the cleaning liquid for cleaning the inner surface of the toilet bowl portion 12 of the toilet body 14 from the discharge holes 74, and the shutters 104A and 104B conceal the discharge holes 74. It may be exposed.

The second casing 26 has been described as an example of an accommodating member that internally accommodates the discharge portions 50A and 50B. The accommodating member is not limited to the second casing 26, and may be configured by, for example, the toilet seat 22. In this case, the shutters 104A and 104B are attached to the accommodating member separate from the toilet bowl main body 14. Further, the accommodating member may be composed of the toilet bowl main body 14.

Although the example in which the discharge portions 50A and 50B and the shutters 104A and 104B are configured as a part of the same member has been described, they may be configured separately. Further, although the discharge portions 50A and 50B have described an example in which the discharge portions 50A and 50B have a closing portion 112 that closes the opening portions 102A and 102B of the accommodating member when the discharge portions 50A and 50B are at the advance position Ph1, the closing portion 112 may not be provided. ..

(Regarding the 3rd and 4th ingenuity)
The toilet device 10 (toilet seat unit 16) has a switching mechanism 122 in which the second discharge unit 50B is configured to start the second discharge operation after the first discharge unit 50A finishes the first discharge operation. An example of using the control unit 124 to control has been described. The specific means for satisfying this condition is not particularly limited. For example, it may be realized by changing the path lengths of the first liquid passage 120a and the second liquid passage 120b of the liquid supply passage 120 in the flow direction.

The toilet device 10 (toilet seat unit 16) uses the cleaning liquid that forms the first seat backflow Fa to form the first in-pot flow Fc, and uses the cleaning liquid that forms the second seat backflow Fb to form the second. An example of forming the in-pot flow Fd has been described. The specific mode of the flow formed in the toilet bowl portion 12 of the toilet bowl body 14 is not particularly limited. For example, the back seat flow Fa and Fb may be used to form a flow in the toilet bowl portion 12 that flows into the bottom portion of the toilet bowl portion 12 without swirling in the toilet bowl portion 12.

An example in which the switching mechanism 122 is composed of a plurality of on-off valves 126A to 126D has been described, but the specific example thereof is not particularly limited. For example, the switching mechanism 122 may be composed of a single switching valve. Further, the common on-off valve 126C of the embodiment may not be present.

Although the example in which the third discharge portion 50C is provided on the lower surface portion of the functional device 20 has been described, the position thereof is not particularly limited. For example, the third discharge portion 50C may be provided on the back surface of the toilet seat 22. Further, the third discharge portion 50C may be provided with only the pot discharge holes 132A and 132B, or may be provided with only the third discharge hole 132C. Further, the third discharge unit 50C may not be provided.

(Regarding the fifth device)
The seat back discharge portions 50A and 50B have described an example in which the cleaning liquid for cleaning the back surface of the toilet seat 22 is discharged from the discharge hole 74. In addition to this, the discharge portions 50A and 50B may discharge the cleaning liquid for cleaning the inner surface of the toilet bowl portion 12 of the toilet bowl main body 14. In either case, from the viewpoint of obtaining the above-mentioned effect (E), it is premised that the seat back discharge portions 50A and 50B are provided in the functional device 20.

An example in which the toilet seat 22 is rotatably attached to the functional device 20 has been described. From the viewpoint of obtaining the above-mentioned effect (E), the toilet seat 22 may be movably attached to the functional device 20 regardless of its movement mode. Further, from the viewpoint of obtaining the above-mentioned effect (E), the toilet seat 22 may be detachably attached to the functional device 20 even when it is immovably attached to the functional device 20. As a result, when the toilet seat 22 separated from the functional device 20 for the purpose of maintenance or the like is moved, the weight of the cleaning liquid inside the discharge portions 50A and 50B is not applied to the toilet seat 22, and the toilet seat 22 is moved. It is possible to avoid the case where the load to be applied to the toilet increases. The toilet seat 22 may be removably and detachably attached to the toilet body 14.

Although the example in which the back-of-seat discharge portions 50A and 50B can discharge the cleaning liquid having an upward velocity component has been described, the cleaning liquid having only the horizontal velocity component may be able to be discharged. Further, it may be possible to discharge a cleaning liquid having only an upward velocity component. In this case, a structure for guiding the flow of the cleaning liquid may be provided on the back surface of the toilet seat so that the cleaning liquid is transmitted to the back surface of the toilet seat 22 with a speed component in the horizontal direction.

Although the example in which the discharge portions 50A, 50B, and 50C are provided behind the front end portion 20a of the functional device 20 has been described, they may be provided in front of the front end portion 20a. Although the example in which the discharge portions 50A, 50B, and 50C are provided in the left-right direction Y with respect to the nozzle 142 has been described, they may be provided at positions unrelated to the nozzle 142.

An example has been described in which each of the first discharge unit 50A and the second discharge unit 50B discharges the cleaning liquid so as to form the back seat flow Fa and Fb which are transmitted in opposite directions on the back surface of the toilet seat 22. The region where the back seat flow Fa and Fb transmitted in opposite directions are formed is not limited to the front end region 39 of the toilet seat 22. For example, the central portion 38Rb in the front-rear direction Y of the right half region 38R of the toilet seat 22 may be used.

(Regarding the sixth device)
Although the example in which the second casing 26 of the functional device 20 is rotatably attached to the toilet bowl main body 14 via the first casing 24 has been described, it may be directly and rotatably attached to the toilet bowl main body 14. In order to rotatably attach the second casing 26 to the toilet body 14, the toilet seat unit 16 does not have to include the discharge portions 50A and 50B. Further, in order to rotatably attach the second casing 26 to the toilet body 14, the discharge portions 50A and 50B may be provided on the toilet seat 22 instead of the second casing 26.

An example was described in which a part of the liquid supply passage 120 inside the second hinge mechanism 166 is configured by the liquid passage forming surfaces 172A to 172C of the components of the second hinge mechanism 166. Not limited to this, a hose inserted inside the second hinge mechanism 166 may be configured.

The positional relationship between the second hinge shaft 166a that rotatably connects the second casing 26 to the toilet body 14 and the first hinge shaft 164a that rotatably connects the toilet seat 22 to the toilet body 14 is not particularly limited. For example, the second hinge shaft 166a may be arranged at the same position as the first hinge shaft 164a in the front-rear direction X, or may be arranged behind the first hinge shaft 164a. Further, although the example in which the first hinge shaft 164a and the second hinge shaft 166a are separate bodies has been described, the same member may be used.

An example has been described in which a discharge portion capable of discharging a cleaning liquid for cleaning the inside of the toilet bowl portion 12 is not provided on the upper portion of the toilet bowl portion 12 of the toilet bowl main body 14, but such a discharge portion is provided. You may.

In order to obtain the effect of (F1), the bottom of the toilet bowl portion 12 is provided with a discharge portion for discharging the cleaning liquid toward the trap portion 70 so as to form a flow for promoting the discharge of filth. You may.

The example in which the inlet 70a of the trap portion 70 is open to the inner wall surface on the front side of the toilet bowl portion 12 has been described, but the position thereof is not particularly limited. For example, it may be opened on the inner wall surface on the rear side of the toilet bowl portion 12.

The embodiments and modifications of the present invention have been described in detail above. The above-mentioned embodiments and modifications are merely specific examples for carrying out the present invention. The contents of the embodiments and modifications do not limit the technical scope of the present invention, and many components such as changes, additions, and deletions are made without departing from the ideas of the invention defined in the claims. The design can be changed. In the above-mentioned embodiment, the contents that can be changed in such a design are emphasized by adding notations such as "in the embodiment" and "in the embodiment", but the design is made even if the contents do not have such a notation. Changes are allowed. Any combination of the above components is also effective as an aspect of the present invention. The hatching attached to the cross section of the drawing does not limit the material of the object to which the hatching is attached.

(others)
Further, when the inventions embodied by the above embodiments and modifications are generalized, it can be said that the inventions described in the following items are included.

(1st item)
Equipped with a discharge section that can discharge cleaning liquid along the back of the toilet seat
The discharge portion is a toilet seat unit having a discharge hole formed so that the inner width continuously expands as it approaches the cleaning liquid outlet in the back view of the toilet seat.

(Second item)
A discharge part that can discharge the cleaning liquid along the back of the toilet seat,
A toilet seat unit including a changing mechanism capable of changing the discharge direction or the discharge range in which the discharge unit discharges the cleaning liquid according to the rotation position of the toilet seat.

By generalizing the invention embodied by the above embodiments and modifications, the following technical ideas are derived. Hereinafter, the aspects described in the problem to be solved by the invention will be described.

In the first aspect, the toilet seat unit of the second aspect may be capable of discharging the cleaning liquid along the back surface of the toilet seat and may be capable of discharging the cleaning liquid having an upward velocity component. ..
According to this aspect, it becomes easier to design so that most of the cleaning liquid discharged by the discharge unit is applied to the back surface of the toilet seat, as compared with the case where the discharge unit discharges the cleaning liquid having no upward velocity component. Therefore, it becomes easy to increase the amount of the cleaning liquid flowing on the back surface of the toilet seat, and the back surface of the toilet seat can be effectively cleaned.

In the first or second aspect, the toilet seat unit of the third aspect is a local part provided behind the center of the central opening of the toilet seat and movably provided with respect to the nozzle opening formed in the functional device. A cleaning nozzle may be provided, and the discharge portion may be provided behind the center and in the left-right direction with respect to the local cleaning nozzle.
According to this aspect, as compared with the case where the discharge portion is provided in front of the center of the central opening of the toilet seat, the local cleaning nozzle and the discharge portion can be provided in a cohesive place of the functional device, and the functional device can be made compact. I can plan.

In any one of the first to third aspects, the toilet seat unit of the fourth aspect can discharge the cleaning liquid to the discharge portion so as to run along the back surface of the toilet seat toward one side in the circumferential direction of the toilet seat. 1 Discharge unit and a second discharge unit capable of discharging the cleaning liquid so as to run along the back surface of the toilet seat toward the other side in the circumferential direction of the toilet seat may be included.
According to this aspect, in a part of the area on the back surface of the toilet seat, a flow transmitted to one side in the circumferential direction and a flow transmitted to the other side in the circumferential direction can be formed, and the area can be effectively washed.

In any one of the first to fourth aspects, the toilet seat unit of the fifth aspect may be provided with the discharge portion behind the front end portion of the functional device.
According to this aspect, when the inside of the toilet bowl portion of the toilet bowl body is viewed from above, the discharge portion is hidden by the functional device and becomes difficult to see, and good design can be obtained.

In any one of the first to fifth aspects, the toilet seat unit of the sixth aspect is rotatably attached to the functional device, and the discharge portion discharges the cleaning liquid according to the rotation position of the toilet seat. It may be provided with a changing mechanism capable of changing the discharge direction or the discharge range.
According to this aspect, by using the changing mechanism, the discharge direction or the discharge range of the discharge portion can be designed to be a desired condition according to the rotation position of the toilet seat, and the degree of freedom in design is increased.

In the sixth aspect, the toilet device of the seventh aspect sets the discharge direction or the discharge range so that at least a part of the cleaning liquid is discharged upward when the toilet seat is in the inverted position. Then, when the toilet seat is in the upright position, the discharge direction or the discharge range may be set so that the cleaning liquid is discharged downward.
According to this aspect, when the toilet seat is in the inverted position, the back surface of the toilet seat can be washed with the washing liquid. Further, when the toilet seat is in the upright position, it is possible to prevent the cleaning liquid from scattering to the outside of the toilet bowl portion.

The eighth aspect is a toilet bowl device, which includes a toilet bowl body having a toilet bowl portion and a toilet seat unit according to any one of the first to seventh aspects.

In the eighth aspect of the toilet device according to the ninth aspect, the upper portion of the toilet bowl portion may not be provided with a discharge portion capable of discharging the cleaning liquid for cleaning the inner surface of the toilet bowl portion.
According to this aspect, since there is no discharge portion in the upper part of the toilet bowl portion, it is easy to wipe and clean the inner peripheral surface of the upper portion of the toilet bowl portion in the circumferential direction without sticking, and the cleanability of the toilet bowl portion is improved.

In the ninth aspect of the toilet device of the tenth aspect, the toilet body has a trap portion connected to the bottom of the toilet bowl portion, and the entrance of the trap portion is an inner wall surface on the front side of the toilet bowl portion. It may be open to the toilet.
According to this aspect, when the inside of the toilet bowl portion of the toilet bowl body is viewed from the front side, the bottom portion of the toilet bowl portion as well as the upper portion of the toilet bowl portion has a neat structure, and good design can be obtained.

10 ... Toilet bowl device, 12 ... Toilet bowl part, 14 ... Toilet bowl body, 16 ... Toilet seat unit, 20 ... Functional device, 20a ... Front end, 22 ... Toilet seat, 24b ... Opening, 32 ... Central opening, 50A ... First discharge Part, 50B ... Second discharge part, 70 ... Trap part, 70a ... Inlet, 102A ... Opening, 142 ... Local cleaning nozzle, 144 ... Nozzle opening, 180 ... Direction changing mechanism.

Claims (9)

Functional devices installed on the toilet bowl and
A toilet seat that can be moved or detached from the functional device,
A discharge portion capable of discharging a cleaning liquid for cleaning the back surface of the toilet seat or the inner surface of the toilet bowl portion of the toilet body is provided.
The discharge portion is provided in the functional device, and the discharge portion is provided in the functional device.
The toilet seat is rotatably attached to the functional device and
A toilet seat unit including a changing mechanism capable of changing the discharge direction or the discharge range in which the discharge unit discharges the cleaning liquid according to the rotation position of the toilet seat. The toilet seat unit according to claim 1, wherein the discharge unit can discharge the cleaning liquid along the back surface of the toilet seat and can discharge the cleaning liquid having an upward velocity component. A local cleaning nozzle provided behind the center of the central opening of the toilet seat and capable of advancing and retreating with respect to the nozzle opening formed in the functional device is provided.
The toilet seat unit according to claim 1 or 2, wherein the discharge unit is behind the center and is provided in the left-right direction with respect to the local cleaning nozzle. In the discharge part
A first discharge portion capable of discharging the cleaning liquid so as to run along the back surface of the toilet seat toward one side in the circumferential direction of the toilet seat.
The toilet seat unit according to any one of claims 1 to 3, further comprising a second discharge portion capable of discharging a cleaning liquid so as to travel along the back surface of the toilet seat toward the other side in the circumferential direction of the toilet seat. The toilet seat unit according to any one of claims 1 to 4, wherein the discharge portion is provided behind the front end portion of the functional device. The change mechanism is
When the toilet seat is in the inverted position, the discharge direction or the discharge range is set so that at least a part of the cleaning liquid is discharged upward.
The toilet seat unit according to any one of claims 1 to 5, which sets the discharge direction or the discharge range so that the cleaning liquid is discharged downward when the toilet seat is in the upright position. Toilet bowl body with toilet bowl and
A toilet device comprising the toilet seat unit according to any one of claims 1 to 6 . The toilet bowl device according to claim 7 , wherein the upper part of the toilet bowl portion is not provided with a discharge portion capable of discharging a cleaning liquid for cleaning the inner surface of the toilet bowl portion. The toilet body has a trap portion connected to the bottom of the toilet bowl portion.
The toilet device according to claim 8 , wherein the entrance of the trap portion is open to the inner wall surface on the front side of the toilet bowl portion.

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