JP2003190042A - Toilet seat device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve operability of a toilet seat device using a tank for flashing water. <P>SOLUTION: The toilet seat device is constructed having a toilet seat having an annular portion formed in a substantially annular shape, an opening portion formed therewithin and a toilet seat having a sitting surface for mounting buttoks on it's upper side, the tank for storing the flushing water in communication with a water supplying source through a supplying conduit, a nozzle including a spraying orifice for spraying the flushing water into the opening portion being in communication with the tank, wherein the annular portion of the toilet seat is hollow, and the tank is arranged within the annular portion of the toilet seat. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a toilet seat device. In particular, it relates to a toilet seat device having a cleaning function.

[0002]

2. Description of the Related Art A toilet seat device having a cleaning function is a device for spraying cleaning water from a nozzle to clean the buttocks and the like.

When the toilet seat device of this type is used by heating the wash water, there are two methods for heating the wash water: the hot water storage method and the instantaneous boiling method. In the instantaneous boiling system, the heater is heated to a temperature suitable for cleaning immediately before using the cleaning water.

On the other hand, the hot water storage method stores preheated and warmed washing water in a tank. However, as compared with the instant hot water heating method, a heater having a smaller calorific value can be used, so that the price is low. The device can be configured with. Further, since warmed wash water is stored in the tank, it is possible to supply a sufficient amount of wash water to the user during washing.

Further, Japanese Patent Laid-Open Nos. 3-141915 and 9-
-262192 discloses a toilet seat device having a structure in which heated toilet water is circulated in the toilet seat to heat the toilet seat to improve efficiency of heating the toilet water and the toilet seat.

[0006]

However, in the instant boiling method, since the washing water needs to be warmed in a short time, it is necessary to use a heater having a large heating value, and the toilet seat device becomes expensive. Further, when the toilet seat device is configured with a heater having a small heat generation amount, it becomes difficult to warm a large amount of cleaning water at one time, and the user may feel that the amount of cleaning water is insufficient during cleaning.

On the other hand, the hot water storage method requires a tank in addition to the toilet seat, so that it is difficult to reduce the size, and there are problems that the space required for installation becomes large and the appearance is impaired. . Further, in order to keep the wash water in the tank warm, it is necessary to constantly energize the heater, and a large amount of electric power is used for keeping warm.

Further, Japanese Patent Laid-Open Nos. 3-141915 and 9-
In -262192, the inside of the toilet seat is used as a circulation path for heating the toilet seat, through which warmed wash water passes, and a circulation device such as a tank or a pump is required outside the toilet seat.

The present invention has been made in view of the above circumstances, and an object of the present invention is to improve the usability of a toilet seat device using a tank for cleaning water.

[0010]

The invention according to claim 1 is
A toilet seat that has an annular portion that has a generally annular shape and an opening inwardly, and the upper side is a seat surface portion on which the buttocks are placed, a tank that communicates with a water supply source via a water supply pipe, and a tank that stores wash water, and a tank. In a toilet seat device having a nozzle provided with a nozzle for injecting cleaning water into the opening in communication with the toilet seat, the annular portion of the toilet seat is hollow, and the tank is provided in the annular portion of the toilet seat. .

According to a second aspect of the present invention, in the structure according to the first aspect, the tank is formed so as to occupy the entire space within the annular portion of the toilet seat.

The invention according to claim 3 is characterized in that, in the structure according to claims 1 and 2, the tank is provided with a heater.

According to a fourth aspect of the present invention, in the structure according to the third aspect, the tank is arranged in contact with the inner portion of the seat surface portion of the toilet seat.

The invention according to a fifth aspect is characterized in that, in the structure according to the fourth aspect, the heater is arranged in the vicinity of the inner portion of the seat surface portion of the toilet seat.

The invention according to claim 6 is characterized in that, in the structure according to any one of claims 1 to 5, a heater for heating is provided in the annular portion of the toilet seat.

The invention according to claim 7 is characterized in that, in the structure according to any one of claims 1 to 6, the seat surface portion of the toilet seat is made of a soft material.

The invention according to claim 8 is characterized in that, in the structure according to any one of claims 1 to 7, a heat insulating member is disposed between the seat surface portion of the toilet seat and the tank.

According to a ninth aspect of the invention, in the structure according to the eighth aspect, the heat insulating member has elasticity.

The invention according to claim 10 is any of claims 3 to 9.
In the configuration described in (1), a lid that covers the seat surface portion of the toilet seat is provided.

The invention according to claim 11 is characterized in that, in the structure according to claim 10, the lid is made of a heat insulating material.

According to a twelfth aspect of the present invention, in the structure according to the tenth to eleventh aspects, the lid has a storage groove for storing the toilet seat.

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION (First Embodiment) Next, a first embodiment of the present invention will be described with reference to FIG.

The toilet seat device of the first embodiment has a toilet seat 1, a tank 2 and a nozzle 4 as main constituent members.

The toilet seat 1 is made of synthetic resin or the like, and has a generally annular portion 1a, an opening 1b formed inside thereof, and a seat surface portion 1c on which the buttocks are placed. Formed. The annular portion 1a is formed in a hollow shape, and can be formed of a plurality of members or can be formed by integral molding. The annular portion 1a has a wall thickness of about several millimeters and is configured to withstand the weight of the user. In addition, if there is a location where the load is locally applied, by reinforcing the location from the inside with ribs,
The strength can be improved. The roughly circular shape may be an angular shape or an incomplete annular shape with a notch in a part thereof, and includes a horseshoe shape and the like.

The seating surface portion 1c has a smooth shape in order to improve the sitting comfort, and the seating surface portion 1c is formed into the opening portion 1.
By inclining downward toward b, even if the cleaning water or the like adheres to the seat surface portion 1c, it is guided to the opening portion 1b.

The toilet seat 1 is fixed to a toilet bowl (not shown) so as to be rotatable about a toilet seat rotation shaft 6, and the toilet seat is rotated during small use to a position where the user does not feel inconvenient. It can be moved.

The tank 2 is made of synthetic resin or the like, is disposed on the lower surface of the annular portion 1a of the toilet seat 1 on the side of the toilet seat rotating shaft, and has a capacity of about 50% of the volume of the annular portion 1a. It has the cleaning water 5 stored therein. Here, the volume of the annular portion 1a is about 1 liter, and the volume of the tank 2 is about 0.
It is about 5 liters. Since washing water of about 0.5 liters per minute is required for washing the buttocks and the like, when the tank 2 is full, washing can be performed for about 1 minute. The tank 2 has a wall thickness of about several millimeters,
It has a structure that can withstand the water pressure of the wash water 5 and does not leak. The tank 2 is connected to a water supply source (not shown) by a water supply pipe 3 and is connected to the nozzle 4.

The tank 2 may be arranged at any position in the annular portion 1a, and may be arranged at any position in the cross section of the toilet seat 1. Further, the volume of the tank 2 can be freely adjusted within the range of the volume in the annular portion 1a, and if the volume of the tank 2 is further required, the shape of the annular portion 1a may be changed. Further, if the tank 2 is shaped so as to incline downward toward the nozzle 4, even if the amount of the cleaning water 5 stored in the tank 2 is small, the supply of cleaning water to the nozzle 4 will be smooth. It can be configured as follows. If the tank 2 is made of a soft material, it can be easily stored in the annular portion 1a.

The water supply pipe 3 is made of synthetic resin, metal or the like, and if it has flexibility, it can be easily attached to a water supply source or the like. Further, by providing the valve in the water supply pipe 3, it is possible to prevent the wash water 5 from flowing backward from the tank 2 even when the water pressure of the water supply source is reduced.

The nozzle 4 is a pipe made of synthetic resin or the like, which is connected to the tank and has an injection port for injecting washing water into the opening 1b of the toilet seat 1. Nozzle 4 is the injection port for the washing water.
It is opened by adjusting the area of the washing part such as the buttocks and the water pressure in the vicinity of the tip of the, and there may be one or a plurality of cases. Further, the nozzle position can be changed between cleaning and non-cleaning. When non-cleaning, the nozzle moves from the inside of the opening 1b to the annular portion 1a side as shown by the dotted line in FIG. It is retracted to a position where it can be avoided.

Next, the operation of the toilet seat device will be described.
When the user is not using the toilet seat device, wash water 5
Is stored from the water supply source through the water supply pipe 3 until the tank 2 is full, and the nozzle is retracted to the above-mentioned non-cleaning position.

When the user uses the toilet seat device, when the user turns on the washing switch (not shown), the water pressure in the tank 2 is increased by the pump (not shown) and the washing position is set. The cleaning water is sprayed from the moved nozzle 4,
The buttocks etc. can be washed.

As described above, in the first embodiment, the size of the toilet seat device can be reduced by providing the tank 2 inside the annular portion 1a of the toilet seat 1 rather than outside the toilet seat 1. Furthermore, construction is possible even in a narrow space. Further, since an external tank is unnecessary, the appearance of the toilet seat device is improved.

(Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIG. This is the first
Of the second embodiment, only the shape of the tank 2 is different, and the others are the first.
The configuration is the same as that of the above embodiment. This tank 2
It is formed so as to occupy the entire space within the annular portion of the toilet seat 1. That is, the outer surface of the tank 2 is in contact with the annular portion of the toilet seat 1. This makes the toilet seat 1
The area of the tank 2 can be maximized inside, and a sufficient amount of water can be secured during cleaning. In addition, it is also possible to use the outer shell of the toilet seat 1 and the tank 2 as both.

(Third Embodiment) Next, a third embodiment of the present invention will be described with reference to FIG. This is the first
The heater 7 is provided in the tank 2 of the embodiment of
The other configurations are the same as those of the first embodiment. The heater 7 is formed of a nichrome wire or the like, and is covered with a synthetic resin or the like in order to prevent deterioration by the cleaning water 5. The number of heaters 7 is three in FIG. 3, but one or a plurality of heaters 7 may be arranged linearly or in a meandering manner, and are appropriately provided in order to provide a heat quantity for heating the cleaning water. The general configuration of 1 may be adopted. By disposing the heater 7 near the center between the upper surface and the lower surface of the tank 2, the width of the temperature distribution of the cleaning water 5 can be reduced. Further, for the tank 2, it is preferable to use a material having low thermal conductivity such as a synthetic resin in order to suppress the heat radiation loss of the cleaning water 5.

When the user is not using the toilet seat device, the cleaning water 5 in the tank 2 is heated by the heater 7. Further, the cleaning water 5 is kept at a temperature suitable for cleaning by switching on / off the heater 7 by a temperature sensor (not shown) for detecting temperature inside the tank and a temperature control circuit (not shown) inside the tank. There is.

When the user uses the toilet seat device, when the user turns on the washing switch (not shown), the washing water 5 in the tank 2 is sprayed through the nozzle 4.
As a result, the cleaning water in the tank 2 is reduced, and the cleaning water having a temperature lower than that of the cleaning water in the tank is replenished from the water supply source through the water supply pipe 3, so that the cleaning water temperature in the tank 2 may decrease. . Also in this case, the temperature sensor for detecting the temperature in the tank detects the temperature change, and the temperature control circuit in the tank turns on the heater 7, so that the temperature of the cleaning water is increased to bring the cleaning water 5 to a suitable temperature. Can be kept.

As described above, in the third embodiment,
Since the washing water is heated by the heater to a temperature suitable for washing, the user can comfortably wash the buttocks and the like.

(Fourth Embodiment) Next, a fourth embodiment of the present invention will be described with reference to FIG. This is the third
The tank 2 of this embodiment is disposed in contact with the inner portion of the seat surface portion 1c of the toilet seat 1, and the other configurations are the same as those of the third embodiment. The tank 2 is heated by the cleaning water 5 warmed by the heater 7 in the tank 2. Since the tank 2 is disposed in contact with the inner portion of the seat surface portion 1c of the toilet seat 1, the heat of the tank 2 is conducted to the seat surface portion 1c, and the seat surface portion 1c is heated and kept warm. You can The tank 2 is preferably made of a material having a low thermal conductivity such as a synthetic resin in order to suppress heat radiation from the cleaning water 5, but the heat of the portion contacting the inner portion of the seat surface portion 1c of the tank 2 is preferably used. By changing the conductivity, the seat surface 1c
The amount of heat conducted to can be controlled. For example, the heat of the cleaning water 5 is applied to the seat surface portion 1 by making the material of the portion in contact with the inner portion of the seat surface portion 1c of the tank 2 copper or the like.
A large amount can be transmitted to c, and the amount of heat for heating the seat surface portion 1c can be increased.

As described above, in the fourth embodiment, the tank 2 is disposed in contact with the inner portion of the seat surface portion 1c, so that the seat surface portion 1c is heated, and the user can use it in winter or the like. Even when the temperature is low, the user can comfortably use the buttock without feeling a cold sensation.

(Fifth Embodiment) Next, a fifth embodiment of the present invention will be described with reference to FIG. This is the 4th
The heater 7 in the tank 2 of this embodiment is provided in contact with the upper surface of the tank 2 in the vicinity of the seat surface portion 1c, and the other configurations are the same as those of the fourth embodiment. As a result, the temperature distribution of the wash water 5 in the tank 2 becomes higher on the seat surface 1c side, and heat transfer to the seat surface 1c can be improved. The limit near here is the tank 2 on the side of the seat surface 1c.
It is a surface and is a range in which the amount of heat necessary for heating the seat surface portion 1c can be transmitted.

As described above, according to the fifth embodiment, by providing the heater 7 in the vicinity of the seat surface portion 1c, the seat surface portion 1c
The amount of heat of heating c can be increased.

(Sixth Embodiment) Next, a sixth embodiment of the present invention will be described with reference to FIG. This is the third
The heater 8 for heating the toilet seat is provided in the annular portion of the toilet seat 1 of the above embodiment, and the other configurations are the same as those of the third embodiment. The toilet seat heater 8 is made of nichrome wire or the like and is wired inside the seat surface portion 1c. In FIG. 6, as the wiring method, the heating wire may be made to meander so as to cover the seat surface portion with one heater heating wire, or a plurality of heating wires may be used.

Further, by surrounding the heater 8 for heating the toilet seat with a sheet-shaped heat transfer sheet 9 having a large thermal conductivity, such as an aluminum foil, the heater 8 for heating the toilet seat is made uniform in temperature distribution on the seat surface portion 1c. It is possible to improve the comfort when using the toilet seat device.

The heater 8 for heating the toilet seat heats the seat surface portion 1c through the heat transfer sheet 9 regardless of whether or not the user places the buttocks on the toilet seat device and controls the temperature of the seat surface portion 1c. It is rising. When the seat surface temperature is judged to be overheated by a temperature sensor (not shown) capable of detecting the seat surface temperature, the seat surface temperature control circuit (not shown) turns off the toilet seat heating heater 8 to turn off the seat surface part. The temperature is kept within a range that the user feels comfortable.

As described above, in the sixth embodiment, by providing the heater 8 for heating the toilet seat, it is possible to apply a sufficient amount of heat to the seat surface portion 1c without lowering the temperature of the wash water 5. It is possible to raise the seat surface temperature.

(Seventh Embodiment) Next, a seventh embodiment of the present invention will be described with reference to FIG. This is the third
The toilet seat 1 of the above embodiment is provided with a seat surface portion 10 of a soft material such as vinyl, and the other configurations are the same as those of the third embodiment. By providing the seat portion 10 of the soft material, when the user's buttocks are placed on the seat surface portion 10 of the soft material, the shape of the seat surface portion 10 of the soft material is deformed, and the seat surface portion 10 of the soft material and the soft material. The air between the seat surface portion 10 and the tank 2 allows the seat surface portion of the toilet seat 1 to have elasticity.

From the above, in the seventh embodiment, since the seat surface portion of the toilet seat 1 can be made to have elasticity, the comfort when using the toilet seat device can be improved.

(Eighth Embodiment) Next, an eighth embodiment of the present invention will be described with reference to FIG. This is the 7th
A heat insulating member 11 such as styrofoam is provided between the tank 2 of the above embodiment and the seat surface portion 10 of the soft material, and the other configurations are the same as those of the seventh embodiment.

When the cleaning water in the tank 2 is used for cleaning, the cleaning water having a temperature lower than that of the cleaning water 5 in the tank 2 is replenished in the tank 2 from the water supply source through the water supply pipe 3, and the temperature of the cleaning water rapidly increases. The temperature of the tank 2 may decrease. As a result, the change in temperature is caused by the seat surface portion 10 of the soft material.
There is a risk that the temperature will be rapidly changed to the seat surface portion 10 of the soft material. The heat insulating member 11 suppresses heat transfer between the tank 2 and the seat surface portion 10 of the soft material, and prevents the temperature change of the tank 2 from being transmitted to the seat surface portion, so that the temperature change of the seat surface portion becomes small.

As described above, in the eighth embodiment, by providing the heat insulating member 11 between the tank 2 and the seat surface portion 1c, the temperature change of the seat surface portion 1 is reduced, and the comfort when using the toilet seat device is reduced. Can be improved.

(Ninth Embodiment) Next, a ninth embodiment of the present invention will be described with reference to FIG. This is the 8th
The heat insulating member 11 in the embodiment is provided with the heat insulating member 12 having elasticity, and the other configurations are the same as those in the eighth embodiment. Since the heat insulating member 12 having elasticity is used between the seat surface portion 10 of the soft material and the tank 2, when the user places the buttocks on the seat surface portion 10 of the soft material, the elasticity with the seat surface portion 10 of the soft material is provided. Since the heat insulating member 12 included therein is also deformed, the elasticity of the seat surface portion can be improved as compared with the eighth embodiment.

Therefore, according to the ninth embodiment, since the heat insulating member 12 having elasticity is used, the temperature change of the seat surface portion 10 of the soft material due to the temperature change of the tank 2 is reduced and the seat surface portion of the soft material is reduced. Since the elasticity of 10 can be improved, the comfort when using the toilet seat device can be improved.

(Tenth Embodiment) Next, the first embodiment of the present invention will be described.
The No. 0 embodiment will be described with reference to FIG. This one is provided with a lid 13 made of a synthetic resin or the like for covering the seat surface portion 1c, and is attached rotatably to the toilet seat 1 by a lid rotation shaft 14. Further, the tank is formed so as to occupy the entire space in the annular portion of the toilet seat 1 as in the second embodiment, and the heater is arranged as in the third embodiment. The lid 13 covers the seat surface portion 1c and the side surface of the toilet seat 1 in a closed state. The lid 13 has a heat insulating effect by covering the seat surface portion 1c and the side surface portion of the toilet seat 1 when the toilet seat device is not used, and can reduce heat dissipation loss from the toilet seat 1.

As described above, according to the tenth embodiment, the lid 13 covering the seat surface portion 1c suppresses the radiation of heat from the toilet seat 1, so that the heat radiation loss can be suppressed and the inside of the toilet seat 1 can be suppressed. The efficiency of heating the wash water and the seat surface can be improved.

(Eleventh Embodiment) Next, the first embodiment of the present invention
One embodiment will be described with reference to FIG. This has a lid 15 made of a heat insulating material in place of the lid 13 in the tenth embodiment, and has the same configuration as the tenth embodiment. Lid 1 made of heat insulating material
By providing 5, the heat insulating effect is enhanced as compared with the lid 13 of the tenth embodiment, the effect of suppressing the radiation of heat from the toilet seat 1 is enhanced, and the heat radiation loss can be further reduced. The lid 15 made of a heat insulating material does not have to be made entirely of a heat insulating material, and only the portion facing the toilet seat 1 when it is closed may be made of a heat insulating material, and the rest may be made of a synthetic resin or the like.

As described above, according to the eleventh embodiment, by providing the lid 15 made of a heat insulating material, the effect of suppressing the heat radiation loss is enhanced, and the washing water and the seat surface portion in the toilet seat 1 are heated. Efficiency can be improved.

(Twelfth Embodiment) Next, the first embodiment of the present invention will be described.
2nd Embodiment is described based on FIG. This is the same as the storage groove 13a of the toilet seat 1 in the lid 13 of the tenth embodiment.
Are provided, and the other parts have the same configuration as the tenth embodiment. When the lid 13 is closed as shown in FIG. 12B, the opening 1 of the toilet seat 1 is different from that of the tenth embodiment.
More parts, such as the side surface in b, can be covered and heat insulation improves.

As described above, according to the eleventh embodiment, since the storage groove 13a is provided in the lid 13, the heat radiation loss can be reduced and the efficiency of heating the wash water 5 and the seat surface portion in the toilet seat 1 can be improved. Can be achieved.

It should be noted that if the tank 2 is provided in the toilet seat 1 and washing water is added to the tank 2, the weight of the toilet seat increases, so that the torque required to open and close the toilet seat 1 may increase.
By providing the tank 2 whose volume increases toward the toilet seat rotation shaft 6, the weight decreases as the distance from the toilet seat rotation shaft 6 increases, so that the torque required when opening and closing the toilet seat 1 can be reduced.

[0061]

According to the first aspect of the present invention, a toilet seat having an annular portion having a substantially annular shape, an opening formed inside thereof, and a seat surface portion on which the buttocks are placed on the upper side, and a water supply source. In a toilet seat device having a tank that communicates via a pipe to store cleaning water, and a nozzle that communicates with the tank and that has a nozzle that sprays cleaning water into the opening, the annular portion of the toilet seat is hollow. Since the tank is provided in the annular portion of the toilet seat, the tank that is conventionally provided outside the toilet seat is not required, and the size of the toilet seat device can be reduced. This facilitates installation and construction even in a narrow space, for example.

According to the invention of claim 2, since the tank is formed so as to occupy the entire space in the annular portion of the toilet seat, it is possible to store the maximum amount of water in the tank in the toilet seat, and at the time of cleaning. This has the effect of ensuring a sufficient amount of water.

According to the third aspect of the present invention, since the tank is provided with the heater, it is possible to heat the wash water to a temperature suitable for the wash, and it is possible to comfortably wash the buttocks and the like. .

According to the fourth aspect of the present invention, since the tank is disposed in contact with the inner portion of the seat surface portion of the toilet seat, the wash water is heated to a temperature suitable for cleaning and the seat surface portion is The effect of being able to heat and keep warm is exhibited.

According to the invention of claim 5, since the heater is arranged in the vicinity of the inner portion of the seat surface portion of the toilet seat,
There is an effect that heat transfer from the heater to the seat surface portion is increased and the amount of heat for heating the seat surface portion can be increased.

According to the invention of claim 6, since the heater for heating is provided in the annular portion of the toilet seat, it is possible to give a sufficient amount of heat to the seat surface portion without lowering the temperature of the washing water in the tank. The seat surface portion can be heated and kept warm.

According to the invention of claim 7, since the seat surface portion of the toilet seat is made of a soft material, when the user places the buttocks, the seat surface portion is deformed to have elasticity. The effect of improving comfort when using the toilet seat device is achieved.

According to the invention of claim 8, since the heat insulating member is arranged between the seat surface portion of the toilet seat and the tank, the temperature change of the seat surface portion is reduced even if the tank temperature is drastically lowered, and the toilet seat An effect that the comfort when using the device can be improved.

According to the invention of claim 9, since the heat insulating member has elasticity, the temperature change of the seat surface portion is reduced, the elasticity of the seat surface portion is improved, and the comfort when using the toilet seat device is improved. There is an effect that can be made.

According to the tenth aspect of the invention, since the lid for covering the seat surface portion of the toilet seat is provided, it is possible to suppress the heat radiation loss from the seat surface portion when the toilet seat device is not used, and to wash the wash water and the seat surface portion. This has the effect of improving the efficiency of.

According to the eleventh aspect of the present invention, since the lid is made of a heat insulating material, the heat insulating property of the lid is greatly improved, the effect of suppressing heat radiation loss is enhanced, and the cleaning water and the seat surface are heated. This has the effect of improving the efficiency of.

According to the twelfth aspect of the present invention, since the lid has the storage groove for storing the toilet seat, the heat insulating property of the lid is improved and the heat radiation loss is reduced. There is an effect that the efficiency of heating can be improved.

[Brief description of drawings]

1A and 1B show a first embodiment, wherein FIG. 1A is a perspective view and FIG. 1B is a sectional view taken along the line AA of a toilet seat.

2A and 2B show a second embodiment, wherein FIG. 2A is a perspective view and FIG. 2B is a sectional view taken along the line AA of the toilet seat.

FIG. 3 is a sectional view of a toilet seat according to a third embodiment.

FIG. 4 is a sectional view of a toilet seat according to a fourth embodiment.

FIG. 5 is a sectional view of a toilet seat according to a fifth embodiment.

FIG. 6 is a sectional view of a toilet seat according to a sixth embodiment.

FIG. 7 is a sectional view of a toilet seat according to a seventh embodiment.

FIG. 8 is a sectional view of a toilet seat according to an eighth embodiment.

FIG. 9 is a sectional view of a toilet seat according to a ninth embodiment.

FIG. 10 is a perspective view of a tenth embodiment.

FIG. 11 is a perspective view of an eleventh embodiment.

12A and 12B show a twelfth embodiment, wherein FIG. 12A is a perspective view and FIG. 12B is a sectional view taken along the line AA when the lid is closed.

[Explanation of symbols]

1 toilet seat 1a annular part 1b opening 1c Seat surface 2 tanks 3 water supply pipe 4 nozzles 5 wash water 6 Toilet seat rotation axis 7 heater 8 Toilet seat heating heater 9 heat transfer sheet 10 Soft material seat surface 11 Thermal insulation member 12 Elastic heat insulating member 13 lid 13a storage groove 14 Lid rotation shaft 15 Lid made of heat insulating material

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 2D037 AA02 AA11 AA13 AD01 AD03                       AD04 AD14                 2D038 JB01 JB03 JC11 JF00 JH02

Claims (12)

[Claims] 1. A toilet seat having an annular portion having a substantially annular shape, an opening formed inward of the annular portion, and a seat surface portion on which a buttocks is placed, and a flush water communicating with a water supply source through a water supply pipe. In a toilet seat device having a tank for storing the tank, and a nozzle communicating with the tank and having an injection port for injecting washing water into the opening, the annular portion of the toilet seat is hollow, and the tank is provided in the annular portion of the toilet seat. A toilet seat device characterized in that 2. The tank is formed so as to occupy the entire space in the annular portion of the toilet seat.
The toilet seat device described. 3. The toilet seat device according to claim 1, wherein the tank is provided with a heater. 4. The toilet seat device according to claim 3, wherein the tank is disposed in contact with an inner portion of a seat surface portion of the toilet seat. 5. The toilet seat device according to claim 4, wherein the heater is disposed in the vicinity of an inner portion of the seat surface portion of the toilet seat. 6. The toilet seat device according to claim 1, wherein a heater for heating is provided in the annular portion of the toilet seat. 7. The toilet seat device according to claim 1, wherein the seat surface portion of the toilet seat is made of a soft material. 8. The toilet seat device according to claim 1, wherein a heat insulating member is disposed between the seat surface portion of the toilet seat and the tank. 9. The toilet seat device according to claim 8, wherein the heat insulating member has elasticity. 10. The toilet seat device according to claim 3, further comprising a lid that covers a seat surface portion of the toilet seat. 11. The toilet seat device according to claim 10, wherein the lid is made of a heat insulating material. 12. The toilet seat device according to claim 10, wherein the lid has a storage groove for storing the toilet seat.