JP2017008607A - Toilet bowl arrangement - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a toilet bowl arrangement capable of improving cleanliness of a rear face of a toilet seat.SOLUTION: A toilet bowl arrangement 1 includes: a sterilization light radiation part 20 that radiates a beam of sterilization light; a toilet seat 15 which is disposed to be placed on an upper plane of a rim part 11 which is disposed along a circumferential direction to guide washing water to the upper end of a bowl part 10; and a control unit 25 that controls the sterilization light radiation part to radiate the beam of sterilization light in a state that the toilet seat is horizontally positioned. The rim part is provided with a translucent part 12 so that the sterilization light transmits and is radiated to the rear face 15a of the toilet seat which faces downward when horizontally positioned.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a toilet device provided with a toilet seat placed on a rim portion at the upper end of a bowl portion.

2. Description of the Related Art Conventionally, a toilet device configured to irradiate sterilizing light on the inner surface of a bowl portion or the like is known.
For example, Patent Document 1 below discloses a Western-style sterilized toilet that is configured to diffusely reflect ultraviolet rays emitted from a sterilizing lamp provided on a toilet seat lid inside the toilet.

JP 2014-236948 A

  However, in the Western-style sterilization toilet described in Patent Document 1, the back surface of the toilet seat is blocked by the rim portion provided at the upper end of the bowl portion. Is desired.

  This invention is made | formed in view of the said situation, and it aims at providing the toilet device which can improve the cleanliness of the back surface of a toilet seat.

  In order to achieve the above object, a toilet device according to the present invention includes a sterilizing light irradiation unit that irradiates sterilizing light, and a rim portion that is provided along the circumferential direction so as to guide cleaning water to the upper end of the bowl unit. A toilet seat arranged so as to be placed on the upper surface, and a control unit that irradiates the sterilizing light irradiation unit with sterilizing light in a state in which the toilet seat is laid down. The translucent part is provided so that germicidal light may permeate | transmit and irradiate to the back surface of the said toilet seat which faces a lower side in the state.

  Since the toilet device according to the present invention is configured as described above, the cleanliness of the back surface of the toilet seat can be improved.

It is a partially broken schematic longitudinal cross-sectional view which shows typically an example of the toilet device which concerns on one Embodiment of this invention. (A) is a partially broken schematic enlarged longitudinal sectional view corresponding to the X1 part in FIG. 1, (b) is a partially broken schematic plan view omitting a part schematically showing an example of the toilet device. is there. It is a schematic time chart which shows typically an example of the basic operation performed in the toilet device. It is a partially broken schematic longitudinal cross-sectional view which shows typically an example of the toilet device which concerns on other embodiment of this invention. (A) is a partially broken schematic enlarged longitudinal sectional view corresponding to the X2 part in FIG. 4, (b) is a partially broken schematic plan view omitting a part schematically showing an example of the toilet device. is there. FIG. 6 is a partially broken schematic enlarged longitudinal sectional view schematically showing an example of a toilet device according to still another embodiment of the present invention and corresponding to FIG. 5 (a).

Embodiments of the present invention will be described below with reference to the drawings.
In the following embodiments, directions such as up and down directions will be described with reference to a state in which the toilet device is installed.

FIG.1 and FIG.2 is a figure which shows typically an example of the toilet device which concerns on 1st Embodiment.
As shown in FIG. 1, the toilet device 1 according to the present embodiment is a seated so-called Western-style toilet device installed on an installation surface such as a floor.
The toilet device 1 is provided with a bowl part (toilet bowl) 10 and a water supply / drainage mechanism connected to a water supply / drainage pipe. The toilet apparatus 1 is placed on the upper surface of a sterilizing light irradiating unit 20 that irradiates sterilizing light, and a rim unit 11 provided along the circumferential direction so as to guide cleaning water to the upper end of the bowl unit 10. And a toilet seat 15 arranged as described above. The toilet seat 15 can be raised and lowered with respect to the bowl portion 10. Further, the toilet device 1 is provided with a toilet lid 16 that can be opened and closed (raised and lowered) with respect to the bowl portion 10.

In addition, the toilet device 1 includes a deodorizing device, a heating device that warms the toilet seat 15 and local washing water, a detergent supply device that includes detergent in the cleaning water, a sterilizing component supply device that includes a sterilizing component in the cleaning water, and the like. It is good also as a structure which provided the functional apparatus and the functional member.
Further, the toilet device 1 may be provided with various sensors such as a human body detection sensor and a seating sensor, and a remote control device as an operation unit for operating the various functional devices described above, and transmission / reception of various signals of the remote control device are possible. It is good also as a structure which provided the transmission / reception apparatus etc. which become.

The toilet device 1 is connected to a water supply pipe (water pipe) serving as a water supply source, and includes a cleaning water supply mechanism that supplies cleaning water to the bowl portion 10. Such a cleaning water supply mechanism may be configured to supply cleaning water along the rim portion 11 and clean the bowl portion 10. In the illustrated example, the toilet device 1 is a so-called tankless type that does not include a flush tank. The toilet device 1 may be a direct water pressure type. The water supply mechanism of the toilet device 1 is not limited to such a tankless type, and may be configured to include a flush tank.
Further, the toilet device 1 is provided with a cleaning operation unit that operates the cleaning water supply mechanism to supply the cleaning water to the bowl unit 10. Such a cleaning operation unit may be an operation lever, an operation button, or the like, and various sensors such as a human body detection sensor and a seating sensor are grasped as a cleaning operation unit, that is, as a mode for grasping detection as an operation. Also good.
If the cleaning operation of the cleaning water supply mechanism is performed, cleaning water is supplied along the rim portion 11 and the inner surface 10a of the bowl portion 10 is cleaned.

  Further, the toilet device 1 is provided with a trap portion 14 that communicates with an external drain pipe and constitutes a drainage mechanism. In the illustrated example, the trap portion 14 is connected to a drain pipe portion provided at one end at the lower portion of the bowl portion 10, and the drainage state at which the drain port at the other end faces the upper side so that water can be stored in the bowl portion 10. It is a so-called turn trap type that can be switched to a drained state facing downward. The trap unit 14 provided in the toilet device 1 is not limited to such a turn trap type, and other drainage mechanisms such as a siphon-zette type, a siphon type, a siphon vortex type, a neo-vortex type, and a wash-off type are adopted. You may do it.

Further, an upper case portion 17 provided with a mechanism portion and the like for holding the toilet seat 15 and the toilet lid 16 so as to be openable and closable is provided on the upper side of the bowl portion 10 of the toilet device 1 in the depth direction of the toilet bowl. .
In this embodiment, the toilet device 1 is provided with a toilet lid closing mechanism having a motor or the like for closing (falling down) the opened (standing) toilet lid 16. The toilet lid closing mechanism may be configured to be able to open the closed toilet lid 16, or may be configured to be able to open and close (raise and lower) the toilet seat 15.
The toilet device 1 is provided with a toilet lid sensor that detects opening and closing of the toilet lid 16. Such a toilet lid sensor may be a limit switch operated by raising or lowering the toilet lid 16, a rotation angle sensor for detecting the rotation angle of the pivot axis of the toilet lid 16, and various other sensors. In addition, it is good also as a structure which provided the toilet seat sensor which detects the raising / lowering of the toilet seat 15. FIG.

The bowl portion 10 has a mortar shape that opens upward.
In the present embodiment, the inner surface 10a of the bowl portion 10 is a highly reflective surface. The entire inner surface 10a of the bowl portion 10 including at least the vicinity of the rim portion 11 provided at the upper end of the bowl portion 10 may be a highly reflective surface.
The toilet seat 15 is placed on the rim portion 11 so that the back surface 15a faces the upper surface of the rim portion 11 in a lying state. In the illustrated example, the back surface 15a of the toilet seat 15 and the rim portion 11 are provided with a buffer portion made of rubber, soft resin or the like in contact with the upper surface of the rim portion 11 provided on the back surface 15a of the toilet seat 15 and the toilet seat 15 lying down. An example in which a gap is formed between the upper surface and the upper surface is shown.
The toilet lid 16 is closed (turned down) so as to cover the toilet seat 15.
In the present embodiment, the back surface 16a of the toilet lid 16 facing downward in the closed state is a highly reflective surface. The substantially entire back surface 16a of the toilet lid 16 may be a highly reflective surface. In addition to the back surface 16a facing downward when the toilet lid 16 is closed, the inner surface of the side peripheral portion provided on the peripheral portion of the toilet lid 16 so as to protrude downward in the closed state is a highly reflective surface. It is good.

The inner surface 10a of the bowl portion 10 and the back surface 16a of the toilet lid 16 may have a mirror shape that allows regular reflection (mirror reflection) of sterilizing light incident from one direction. Further, the inner surface 10a of the bowl portion 10 and the back surface 16a of the toilet lid 16 are assumed to have been subjected to a mirror finish (high gloss surface) by polishing or the like so as to be able to suppress diffusion reflection and absorption of germicidal light. Alternatively, a highly reflective layer may be provided. The high reflection layer may be provided by applying a heat-shielding paint, a highly glossy paint, or the like, or may be provided by sticking or vapor deposition.
In addition, the inner surface 10a of the bowl portion 10 and the back surface 16a of the toilet lid 16 that are mirror-finished or provided with a highly reflective layer as described above are configured to have a higher reflectance than the untreated one. Also good.

Moreover, the toilet device 1 is provided with the nozzle 18 for the local washing | cleaning made free to advance and retract, as shown in FIG.
The nozzle 18 has a substantially cylindrical shape, and is capable of moving back and forth between a storage position and a cleaning position along its longitudinal direction. The nozzle 18 is advanced so as to protrude toward the center in the bowl portion 10 on the front side in the toilet depth direction through an opening provided on the inner side in the toilet depth direction on the inner wall of the upper end portion of the bowl portion 10. . Further, the nozzle 18 is configured to advance obliquely downward. In the illustrated example, a nozzle lid that opens and closes the opening is provided.
In addition, a water supply channel for supplying cleaning water (local cleaning water) to the nozzle 18 and a heater for heating the cleaning water are provided at appropriate positions. Further, the nozzle 18 is provided with a nozzle hole for discharging cleaning water (local cleaning water) toward the local portion at the cleaning position. The nozzle 18 may be configured to be compatible with, for example, a collar portion and a bidet. Further, an appropriate drive mechanism may be employed as the mechanism for moving the nozzle 18 back and forth. The nozzle 18 may be formed of an appropriate metal material or a hard synthetic resin material from the viewpoint of durability, cleanliness, etc., and preferably a metal having a rust prevention property such as stainless steel. It may be formed from a system material.

The nozzle 18 is operated by a remote control device of the toilet device 1 or a local cleaning operation unit 19 (see FIG. 3) provided at a side portion of the toilet seat 15 or the like.
When the operation (start (ON) operation) of the local cleaning operation unit 19 is performed, the nozzle 18 advances to the cleaning position, and cleaning water is discharged from the nozzle hole. The local cleaning operation unit 19 may be configured to allow local cleaning start (ON) operation and stop (OFF) operation, or as a mode in which a separate stop operation unit is provided. Also good. Furthermore, after the operation (start operation) of the local cleaning operation unit 19, the local cleaning may be stopped when a predetermined time elapses.
In addition, as described above, when the nozzle 18 can be used for the buttock and the bidet, a local cleaning operation unit 19 for the buttock and a local cleaning operation unit 19 for the bidet may be provided. Good. Moreover, it is good also as an aspect which provided the mechanism, the operation part, etc. which enable adjustment of the water flow of washing water and temperature adjustment of washing water in an appropriate place.

  The sterilizing light irradiation unit 20 is configured to irradiate sterilizing light having a sterilizing action. Such a sterilizing light irradiation unit 20 may be configured to irradiate invisible light in the ultraviolet region, and may be configured to irradiate visible light instead of or in addition to invisible light. Also good. The sterilizing light irradiation unit 20 may include a xenon lamp, a mercury lamp such as a high-pressure mercury lamp or a low-pressure mercury lamp, a sterilizing light source such as an LED, and other various sterilizing light sources. It is good.

In the present embodiment, the sterilizing light irradiation unit 20 is configured to irradiate the sterilizing light toward the inner surface 10 a of the bowl unit 10. Moreover, it is set as the structure which can irradiate the sterilization light with respect to the nozzle 18 made into the advance state.
In the present embodiment, the sterilizing light irradiation unit 20 is provided on the back surface 16 a of the toilet lid 16. The sterilizing light irradiation unit 20 is positioned so as to overlap with the opening of the toilet seat 15 in plan view with the toilet lid 16 closed so that the sterilizing light is not blocked by the toilet seat 15 in the lying state. It may be provided.
The disposing position of the sterilizing light irradiation unit 20 may be an appropriate position so that the inner surface 10a of the bowl unit 10 and the nozzle 18 in the advanced state can be effectively irradiated. In the illustrated example, the sterilizing light irradiation unit 20 is provided so as to be located on the deeper side in the toilet depth direction than the central portion of the bowl portion 10 in the toilet depth direction with the toilet lid 16 closed. Moreover, it is good also as a structure which provided the sterilization light irradiation part 20 so that it might be located in the toilet bowl width direction substantially center site | part.

The sterilizing light irradiation unit 20 is not limited to the sterilizing light source itself provided on the back surface 16a of the toilet lid 16. For example, a sterilizing light source is provided in the upper case portion 17 and the sterilizing light from the sterilizing light source is emitted. The light may be guided by an appropriate light guide and irradiated from the back surface 16a of the toilet lid 16.
Further, the sterilizing light irradiation unit 20 is not limited to the one provided on the back surface 16 a of the toilet lid 16, and may be provided at an appropriate place in the bowl unit 10. In addition, the sterilizing light irradiation unit 20 is not limited to the structure configured to continuously irradiate sterilizing light when activated (ON), and is configured to irradiate in a pulsed manner (intermittently). Also good. As the sterilizing light irradiation unit 20, various other modifications can be made.

Further, the rim portion 11 of the bowl portion 10 is provided with a translucent portion 12 so that sterilizing light is transmitted through and irradiated on the back surface 15a of the toilet seat 15 facing downward in a lying state.
In the present embodiment, the rim portion 11 is a so-called open rim provided with a groove 13 so as to open to the center side of the bowl portion 10 in a plan view that is substantially horizontal and to extend in the circumferential direction. Cleaning water is supplied from the cleaning water supply port of the above-described cleaning water supply mechanism so as to be along the concave groove 13.
The concave groove 13 constitutes an inner surface of the groove on one side in the groove width direction of the concave groove 13, constitutes a back surface 13 a facing downward and a groove bottom surface of the concave groove 13, and is centered on the bowl 10 in plan view. And an inner peripheral surface 13b facing the side. In the example shown in the drawing, the back surface 13a has a concave curved surface shape as a whole in the longitudinal direction of the groove. In the example shown in the figure, the inner peripheral surface 13b is slightly inclined upward as viewed in the longitudinal direction of the groove. Further, the groove inner surface on the other side in the groove width direction of the groove 13 is provided so as to face obliquely upward when viewed in the groove longitudinal direction, and is provided in a series on the inner surface 10a of the bowl portion 10. . The shape of the concave groove 13 viewed in the longitudinal direction of the groove is not limited to the shape as shown in the figure, and is not limited to a shape that is uniform over the entire length of the concave groove 13, and an appropriate shape. It is good also as what was made. For example, the groove inner surface on the other side in the groove width direction of the concave groove 13 is substantially flush with the inner peripheral surface 13b, that is, there is no surface that divides the other side of the groove 13 in the groove width direction. It is good also as such.

Further, the rim portion 11 protrudes from the upper edge of the bowl portion 10 toward the center of the bowl portion 10 in plan view so that an overhang-like (saddle-like) scattering prevention wall is formed at the upper end of the bowl portion 10. It is provided to do.
In this embodiment, as shown in FIG. 1 and FIG. 2A, the protruding portion provided to protrude toward the center side of the bowl portion 10 from the inner peripheral surface 13 b of the rim portion 11 is made transparent. This is part 12. That is, the rear surface 13 a that constitutes the inner surface of the rim portion 11 is constituted by the light transmitting portion 12.
In this embodiment, the translucent part 12 is irradiated from the sterilizing light irradiating part 20 toward the inner surface 10a of the bowl part 10, and transmits the reflected light reflected on the inner surface 10a to irradiate the rear face 15a of the toilet seat 15. It is said that. Moreover, the surface side part (outer peripheral part) of the rim | limb part 11 connected to the skirt part which comprises the outline of a toilet bowl main body is made into the non-light-transmitting part, and the inner peripheral side part rather than this non-light-transmitting part is made into the light-transmitting part 12. . That is, it is set as the structure which provided the translucent part 12 so that it might not be exposed to the outer peripheral surface side of a toilet bowl main body. In the example shown in the figure, the outer peripheral surface side portion in addition to the entire protruding portion of the rim portion 11 is also a translucent portion 12, but it faces the back surface 15 a of the toilet seat 15 at the protruding portion of the rim portion 11. It is good also considering the most part as the translucent part 12. FIG.

The width dimension of the translucent part 12 (dimension generally along the protruding direction of the rim part 11) may be an appropriate dimension so that the back surface 15a of the toilet seat 15 is effectively irradiated with sterilizing light. In the illustrated example, the width dimension of the translucent part 12 is shown as an example in which the upper surface of the translucent part 12 is opposed to the back surface 15a of the toilet seat 15 over the most part.
Moreover, in this embodiment, as shown in FIG.2 (b), the protrusion part of the rim | limb part 11 ranging from the toilet width direction one side site | part in the toilet bowl depth direction back side site | part of the bowl part 10 to the toilet bowl width direction other side site | part. It is set as the structure which provided the translucent part 12 so that it might comprise. In the example of the figure, an example in which the translucent portion 12 is provided in a substantially U shape in plan view is shown. Instead of such a mode, the translucent part 12 may be provided over the entire periphery of the upper edge of the bowl part 10.

Further, the translucent part 12 may be configured to transmit the incident germicidal light substantially in the same direction as the incident direction, or configured to transmit the light so as to be diffused or converged. It is good.
Moreover, the translucent part 12 is good also as what was formed from translucent or transparent resin-type materials, such as an acrylic resin and a polycarbonate resin, a tempered glass. Further, the translucent part 12 may be formed integrally with other parts of the rim part 11 or the toilet body by two-color molding (different material molding) or the like. It may be provided by bonding with an adhesive or the like.
Further, the inner surface 13b of the rim portion 11 constituting the concave groove 13 excluding the light transmitting portion 12 may be a highly reflective surface similar to the inner surface 10a of the bowl portion 10.

Moreover, the toilet device 1 is provided with the control part 25 which controls each above-mentioned part.
The control unit 25 may be provided at an appropriate position of the toilet device 1 or may be provided in a remote control device provided in the toilet device 1 installed on a wall surface or the like.
Further, the control unit 25 is provided with, for example, a control circuit such as a CPU, a memory, and the like, and a storage unit that stores various operation programs including a basic operation example described later.
The controller 25 executes basic operations described later.
In this embodiment, this control part 25 is set as the structure which controls the germicidal light irradiation part 20 so that germicidal light may be irradiated in the state in which the toilet seat 15 was laid down. Moreover, the control part 25 is set as the structure which controls the germicidal light irradiation part 20 so that germicidal light may be irradiated in the state which closed the toilet lid 16. FIG. Moreover, the control part 25 is set as the structure which controls the sterilization light irradiation part 20 so that sterilization light may be irradiated in the state which advanced the nozzle 18. As shown in FIG.
Hereinafter, an example of the basic operation executed in the toilet device 1 according to the present embodiment will be described with reference to FIG.

As shown in FIG. 3, in this operation example, if the toilet lid 16 is closed after the local cleaning is performed, the sterilization mode in which the sterilization light is irradiated is executed.
That is, if the local cleaning operation unit 19 is turned on, the nozzle 18 is advanced toward the cleaning position, and if it is in the cleaning position, the local cleaning water is discharged from the nozzle hole of the nozzle 18. When the local cleaning operation unit 19 is turned off, the supply of the local cleaning water is stopped and the nozzle 18 is retracted toward the storage position.
If the toilet lid 16 is closed after the nozzle 18 is placed in the storage position, the nozzle 18 is advanced and the germicidal light irradiation unit 20 is activated (set to ON). In the illustrated example, the toilet lid 16 is closed, the nozzle 18 starts to advance, and the sterilizing light irradiation unit 20 is activated at the same time. However, an appropriate delay time or the like may be provided.
The toilet lid 16 may be closed by the toilet lid closing mechanism or the user's operation if the seating sensor or the human body detection sensor detects the absence of the human body. Good.

  When the nozzle 18 reaches the cleaning position, the advancement of the nozzle 18 is stopped. If the inner surfaces 13a and 13b of the rim portion 11, the back surface 15a of the toilet seat 15, the inner surface 10a of the bowl portion 10, the outer peripheral surface of the nozzle 18 and the like are sterilized, the nozzle 18 is set to the storage position and the sterilizing light The irradiation unit 20 is turned off. You may make it perform this ON state of this germicidal light irradiation part 20, ie, germicidal mode, until predetermined time passes. In the illustrated example, the storage of the nozzle 18 and the sterilization light irradiation unit 20 are turned off at the same time, but an appropriate delay time or the like may be provided.

The above basic operation is merely an example, and various modifications can be made.
In the above-described example, the example in which the sterilizing light is irradiated when the nozzle 18 is advanced and retracted is shown. However, the sterilizing light may be irradiated only in any one of the cases. Or it is good also as an aspect which irradiates germicidal light only in the state made into the washing | cleaning position.
Further, in this operation example, an example in which the sterilization mode is executed with the local cleaning is shown. However, instead of or in addition to such an embodiment, the sterilization mode is performed regardless of whether or not the local cleaning is performed. It is good also as a structure which can perform. In this case, the toilet device 1 may be provided with a sterilization operation unit or the like for executing the sterilization mode. Further, for example, the sterilization mode may be executed after the cleaning by the cleaning water supply mechanism.
Further, in the illustrated example, since the sterilization mode is executed in accordance with the local cleaning, the toilet seat 15 is in the lying state, and the determination whether the toilet seat 15 is in the lying state is omitted. It is good also as an aspect which discriminate | determines whether it is a lying state and irradiates germicidal light. That is, it is good also as an aspect which irradiates germicidal light in the state in which the toilet seat 15 was laid down and the toilet lid 16 was closed.

The toilet device 1 according to the present embodiment can improve the cleanliness of the back surface 15a of the toilet seat 15 by adopting the above-described configuration.
That is, in the state where the toilet seat 15 is lying down, the sterilizing light irradiation unit 20 is configured to include the control unit 25 that irradiates the sterilizing light, and the sterilizing light is transmitted through the back surface 15a of the toilet seat 15 facing downward in the lying state. A translucent part 12 is provided in the rim part 11 so as to be irradiated. Accordingly, the sterilizing light transmitted through the light transmitting portion 12 of the rim portion 11 can be applied to the back surface 15a of the toilet seat 15, and the cleanliness of the back surface 15a of the toilet seat 15 can be improved. Moreover, the cleanliness of the translucent part 12 which comprises the upper surface of the rim | limb part 11, the back surface 13a, etc. can be improved.
Moreover, in this embodiment, since the germicidal light irradiation part 20 is set as the structure which irradiates germicidal light toward the inner surface 10a of the bowl part 10, the cleanliness | purity of the inner surface 10a of the bowl part 10 can be improved.

  Moreover, in this embodiment, the inner surface 10a of the bowl part 10 is made into the highly reflective surface. Therefore, the sterilizing light irradiated to the inner surface 10a of the bowl part 10 can be effectively reflected, and the reflected light of the sterilizing light can be irradiated over a wide range of the inner surface 10a of the bowl part 10. Thereby, the cleanliness of the inner surface 10a of the bowl portion 10, the inner surfaces 13a and 13b of the rim portion 11, the back surface 15a of the toilet seat 15, and the like can be improved more effectively.

  Moreover, in this embodiment, the control part 25 is set as the structure which irradiates germicidal light to the germicidal light irradiation part 20 in the state which closed the toilet lid 16. FIG. Therefore, the bactericidal light reflected on the inner surface 10a of the bowl portion 10 can be irradiated to the back surface 16a of the toilet lid 16 facing downward in the closed state, and the cleanliness of the back surface 16a of the toilet lid 16 can be improved. it can. Further, since the sterilization light is irradiated with the toilet lid 16 closed, the influence of the sterilization light on the human body can be suppressed.

  Moreover, in this embodiment, the back surface 16a of the toilet lid 16 that faces downward in the closed state is a highly reflective surface. Accordingly, the sterilizing light irradiated on the back surface 16a of the toilet lid 16 can be reflected, and the surface of the toilet seat 15 facing upward in the lying state and the inner surface 10a of the bowl portion 10 are more effectively irradiated with the sterilizing light. These cleanliness can be effectively improved.

  Further, in the present embodiment, the control unit 25 is configured to irradiate the sterilizing light irradiation unit 20 with the sterilizing light in a state in which the local cleaning nozzle 18 which is allowed to advance and retreat is advanced. Therefore, the sterilizing light reflected on the inner surface 10a of the bowl portion 10 can be irradiated to the outer peripheral surface of the nozzle 18, and the cleanliness of the nozzle 18 can be improved. In particular, in the present embodiment, the outer peripheral surface of the nozzle 18 can be irradiated with the sterilizing light reflected on the inner surface 10a of the bowl portion 10 and the rear surface 16a of the toilet lid 16, so that the outer peripheral surface of the nozzle 18 is almost entirely covered. Thus, the germicidal light can be effectively irradiated. In addition, it is good also as an aspect etc. which enabled execution of the sterilization mode which irradiates the sterilization light irradiation part 20 in the state which made the nozzle 18 the accommodation position instead of or in addition to such an aspect.

  In the present embodiment, the entire protruding portion of the rim portion 11 is the light transmitting portion 12. Therefore, most of the upper surface of the rim portion 11 and the front end surface and the back surface 13a of the protruding portion are constituted by the light transmitting portion 12, and the cleanliness thereof can be improved. Instead of such a mode, the tip of the protruding portion of the rim portion 11 may be a non-translucent portion, or the outer peripheral side portion of the rim portion 11 may be a translucent portion. Deformation is possible.

Next, another embodiment according to the present invention will be described with reference to the drawings.
FIG.4 and FIG.5 is a figure which shows typically the toilet device which concerns on 2nd Embodiment.
Note that differences from the first embodiment will be mainly described, and the same components will be denoted by the same reference numerals, and description thereof will be omitted or briefly described.

As shown in FIGS. 4 and 5, the toilet device 1 </ b> A according to the present embodiment is mainly different from the first embodiment in the configuration of the rim portion 11 </ b> A and the germicidal light irradiation unit 20 </ b> A.
In the present embodiment, the sterilizing light irradiation unit 20A has a configuration in which a light guide unit 22 that guides sterilizing light from the sterilizing light source 21 is provided along the rim portion 11A. Moreover, as shown in FIG.4 and FIG.5 (b), it is set as the structure which provided the sterilization light source 21 outside the bowl part 10. FIG. In the example of the figure, an example is shown in which the bowl portion 10 is provided in the toilet main body on the depth side in the toilet depth direction.

The light guide portion 22 has a long shape along the rim portion 11A.
The light guide unit 22 is configured to emit light from an exit surface 24 on its side peripheral surface (outer peripheral surface) while guiding germicidal light incident from an incident surface 23 provided at an end in the longitudinal direction. Yes. In the present embodiment, the single light guide portion 22 is provided so as to be along the rim portion 11 </ b> A from the toilet width direction one side portion to the toilet width direction other side portion of the bowl portion 10 in the toilet depth direction rear side portion. The incident surfaces 23 are provided at both ends in the longitudinal direction. In the illustrated example, an example is shown in which a single light guide portion 22 is provided in a substantially U shape in plan view so as to be along the rim portion 11A. Further, the sterilization light sources 21 and 21 are arranged to face each of the incident surfaces 23 and 23, respectively. These incident surfaces 23 and 23 may be appropriately shaped so that the sterilizing light from the sterilizing light sources 21 and 21 is effectively incident.

In the present embodiment, the light guide portion 22 is provided on the lower surface side of the light transmitting portion 12A of the rim portion 11A. In other words, the bactericidal light emitted from the emission surface 24 on the upper surface side of the light guide unit 22 is configured to be applied to the back surface 15a of the toilet seat 15 through the light transmitting unit 12A.
Moreover, in this embodiment, this light guide part 22 is provided so that a part of inner surface of rim | limb part 11A may be comprised.
In the present embodiment, a notch-shaped recess that opens toward the center side and the lower side of the bowl portion 10 in plan view and that receives the light guide portion 22 is provided on the lower surface side of the light transmitting portion 12A. The light guide 22 is formed so as to accommodate a substantially rectangular shape when viewed in the longitudinal direction. Further, the light exit surface 24 on the upper surface side of the light guide portion 22 is brought into contact with the lower surface of the recess, and the outer peripheral surface of the light guide portion 22 (the surface facing the outer side of the bowl portion 10 in plan view) is recessed. It is set as the structure contact | abutted to the surface which faces the bowl part 10 center side in planar view. Further, the light guide portion 22 is provided so that the back surface 13Aa constituting the inner surface of the rim portion 11A and the emission surface 24 on the lower surface side of the light guide portion 22 are substantially flush. Further, the light guide unit 22 is provided so that the front end surface of the light transmitting unit 12A in the protruding direction and the inner peripheral surface of the light guide unit 22 (surface facing the center side of the bowl unit 10 in plan view) are substantially flush with each other. ing.

That is, the light guide section 22 is provided such that the light exit surface 24 on the lower surface side of the light guide section 22 forms the back surface 13Aa of the rim section 11A. The sterilizing light emitted from the emission surface 24 on the lower surface side of the light guide portion 22 is the upper end portion of the inner surface 10a of the bowl portion 10, the back surface 13Aa of the rim portion 11A, the inner peripheral surface 13b, and the groove width of the groove 13. Irradiated to the inner surface of the groove on the other side in the direction.
In the example shown in the drawing, the light exit surface 24 on the lower surface side of the light guide 22 is shown as a flat surface facing downward, but it is obliquely downward as viewed in the longitudinal direction of the light guide 22. It is good also as a convex-curved surface shape, a concave-curved surface shape, etc., without making it into the inclined surface which turns to a flat surface shape. Further, the light guide section 22 may be configured such that, in addition to the emission surfaces 24 and 24 on the upper surface side and the lower surface side, an inner peripheral surface that is a surface facing the center side of the bowl portion 10 in a plan view is an emission surface. . In this case, the inner peripheral surface may be an inclined surface or the like that faces obliquely downward when viewed in the longitudinal direction of the light guide unit 22. The outer peripheral surface of the light guide unit 22 may be a reflective surface. Moreover, the light guide part 22 is good also as what was formed from translucent or transparent resin-type materials, such as an acrylic resin and a polycarbonate resin, and materials with high refractive indexes, such as glass.

In the toilet apparatus 1A according to the present embodiment, the same basic operation as described above can be performed, and effects similar to those of the first embodiment described above can be achieved.
In the present embodiment, the sterilization light from the sterilization light source 21 is guided and irradiated by the light guide portion 22 provided so as to be along the rim portion 11A. Therefore, as compared with the first embodiment, the sterilizing light emitted from the emission surface 24 on the upper surface side of the light guide portion 22 is transmitted through the light transmitting portion 12A of the rim portion 11A more effectively. The back surface 15a of the toilet seat 15 can be irradiated.
In the present embodiment, since the lower surface side of the light guide portion 22 is also the emission surface 24, the sterilizing light emitted from the emission surface 24 on the lower surface side is used as the inner surface 10a of the bowl portion 10 and the inner surface of the rim portion 11A. 13Aa, 13b, etc. can be irradiated more effectively. In addition, it may replace with such an aspect and may make the lower surface of the light guide part 22 into a reflective surface.

In the present embodiment, the light guide portion 22 is provided so as to constitute a part of the back surface 13Aa of the rim portion 11A. However, instead of or in addition to such a mode, the rim portion You may provide so that at least one part of the inner peripheral surface 13b of 11A and the surface which faces the groove width direction other side may be comprised.
Moreover, in addition to the aspect which provided the light guide part 22 in the rim | limb part 11A, it is good also as an aspect provided in the rim | limb part 11A (translucent part 12A) by embedding. Furthermore, without providing such a light guide unit 22, the sterilization light source 21 is grasped as a sterilization light irradiation unit, and the light transmitting unit 12A transmits the sterilization light from the sterilization light source while transmitting the toilet seat 15. You may make it grasp | ascertain as a light guide part irradiated to the back surface 15a.

Next, still another embodiment according to the present invention will be described with reference to the drawings.
FIG. 6 is a diagram schematically illustrating a toilet apparatus according to the third embodiment.
Note that differences from the above embodiments are mainly described, and the same components are denoted by the same reference numerals, and description thereof is omitted or simplified.

As shown in FIG. 6, the toilet apparatus 1B according to the present embodiment is mainly different from the second embodiment in that the light guide portion 22A is provided apart from the inner surfaces 13a and 13b of the rim portion 11A.
In the present embodiment, the light guide portion 22A is provided so that the emission surface 24A faces the inner surfaces 13a and 13b of the open rim-type rim portion 11 similar to the first embodiment.

The light guide portion 22A is provided along the rim portion 11 so that an appropriate gap is formed between the inner surfaces 13a and 13b of the rim portion 11. The gap between the light guide portion 22A and the inner surfaces 13a and 13b of the rim portion 11 may be substantially uniform along the longitudinal direction of the light guide portion 22A.
In the present embodiment, the light guide portion 22A is provided so as to be positioned in the concave groove 13 so as not to be exposed to the center side of the bowl portion 10 in plan view. That is, the light guide portion 22A is provided so as to be covered with the light transmitting portion 12 as a protruding portion of the rim portion 11 in a plan view with the toilet lid 16 and the toilet seat 15 opened (standing).
In the present embodiment, the light guide portion 22A has a substantially circular shape when viewed in the longitudinal direction, and the substantially entire outer peripheral surface is the exit surface 24A.

The sterilizing light emitted from the emission surface 24A of the light guide portion 22A is applied to the back surface 15a of the toilet seat 15 via the light transmitting portion 12. Further, the bactericidal light emitted from the light exit surface 24A of the light guide portion 22A is the upper end side portion of the inner surface 10a of the bowl portion 10, the back surface 13a of the rim portion 11, the inner peripheral surface 13b, and the groove width direction of the concave groove 13. Irradiation is also applied to the inner surface of the groove on the other side, the back surface 16a of the closed toilet lid 16, and the like.
In the example shown in the drawing, the light guide portion 22A is arranged such that the axial center thereof and the boundary portion between the back surface 13a and the inner peripheral surface 13b of the rim portion 11 have substantially the same height. It is not limited to such an aspect. Moreover, it is good also as a structure which provided the holding | maintenance part which hold | maintains the suitable place of the longitudinal direction of 22 A of light guides in the hanging shape in the suitable place of the rim | limb part 11. FIG.

In the toilet apparatus 1B according to the present embodiment, the same basic operation as described above can be performed, and effects similar to those of the second embodiment described above can be achieved.
Further, in the present embodiment, the light guide portion 22A is provided so that the substantially entire outer peripheral surface of the light guide portion 22A is the emission surface 24A, and the emission surface 24A faces the inner surfaces 13a and 13b of the rim portion 11. Therefore, it is possible to irradiate the sterilizing light over a wider range as compared with the second embodiment.

In the second embodiment and the third embodiment, the light guide portions 22 and 22A are irradiated with sterilizing light on the inner surface 10a of the bowl portion 10 and the inner surfaces 13a, 13Aa and 13b of the rim portions 11 and 11A. Although an example in which the configuration is provided is shown, the present invention is not limited to such an embodiment.
Moreover, in the said 2nd Embodiment and 3rd Embodiment, the single light guide part 22 and 22A are provided over the whole circumferential direction of the rim | limb parts 11 and 11A, and it sterilizes in each of a longitudinal direction both ends. Although an example in which the incident surfaces 23 and 23 in which the light sources 21 and 21 are opposed to each other is provided is shown, the present invention is not limited to such an embodiment. For example, a single light guide portion 22, 22 </ b> A is provided over substantially the entire circumferential direction of the rim portion 11, 11 </ b> A. It is good also as an aspect. In addition, as an aspect in which an incident surface 23 in which a sterilization light source 21 is disposed oppositely is provided at one or both ends in the longitudinal direction of a plurality of light guide portions 22 and 22A provided at intervals in the circumferential direction of the rim portions 11 and 11A Also good.

In the above embodiments, the rim portions 11 and 11A are open rims. However, the present invention is not limited to such an embodiment, and the rim portions 11 and 11A are provided with a large number of rim holes provided on the lower surface. It is good also as what was made into the hollow cylinder shape which divides a water channel. In this case, when the light guide portions 22 and 22A as in the second embodiment and the third embodiment are provided, they may be provided in the hollow portion.
Moreover, in each said embodiment, although the inner surface 10a of the bowl part 10 and the back surface 16a of the toilet lid 16 were shown as the highly reflective surface, both or one side is not made into the above highly reflective surfaces. It may be an untreated surface.
In the above operation example, the sterilization light irradiation units 20 and 20A are irradiated with sterilization light while the toilet lid 16 is closed. It is good also as an aspect etc. which irradiate germicidal light in the state which opened the lid | cover 16 and the toilet seat 15 laid down.

1,1A, 1B Toilet bowl device 10 Bowl part 10a Inner surface (highly reflective surface)
11, 11A Rim part 12, 12A Translucent part 15 Toilet seat 15a Back surface 16 Toilet lid 16a Back surface (highly reflective surface)
18 Nozzle 20, 20A Sterilization light irradiation unit 25 Control unit

Claims (5)

A sterilizing light irradiating unit for irradiating sterilizing light, a toilet seat disposed so as to be placed on the upper surface of a rim provided along the circumferential direction so as to guide cleaning water to the upper end of the bowl part, A control unit that irradiates the sterilizing light irradiation unit with sterilizing light in a state where the toilet seat is laid down,
The rim portion is provided with a translucent portion so that germicidal light is transmitted through and irradiated on the back surface of the toilet seat facing downward in a lying state. In claim 1,
A toilet device, wherein an inner surface of the bowl portion is a highly reflective surface. In claim 1 or 2,
A toilet lid that is closed so as to cover the toilet seat;
The said control part makes the said germicidal light irradiation part irradiate germicidal light in the state which closed the said toilet lid, The toilet device characterized by the above-mentioned. In claim 3,
A toilet device characterized in that the back surface of the toilet lid facing downward in a closed state is a highly reflective surface. In any one of Claims 1 thru | or 4,
It has a nozzle for local cleaning that can be moved forward and backward.
The said control part makes the said germicidal light irradiation part irradiate germicidal light in the state which advanced the said nozzle, The toilet device characterized by the above-mentioned.

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