JP2806095B2 - Toilet bowl and toilet seat device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flush toilet and a toilet seat device having at least a hot water flushing function, and more particularly to a surface treatment capable of easily cleaning the toilet bowl and the toilet seat device.

[0002]

2. Description of the Related Art In recent years, flush toilets have become popular,
Further, a toilet seat device equipped with various functions for adding comfort to a flush toilet has been proposed. For example, the heating function of the toilet seat, the hot water washing function to wash the buttocks after the stool,
It has a drying function and a deodorizing function.

[0003] In this type of toilet bowl and toilet seat apparatus, since some urine adheres and scatters during stool and remains after being washed with water to discard the urine, it is necessary to periodically clean dirty parts. In particular, pottery to which faeces easily adhere is mainly made of pottery from the viewpoint of ease of cleaning and hygiene, and a toilet seat device is mainly made of molded articles such as ABS resin.

[0004]

In such a conventional toilet, since the toilet is made of pottery, the feces adhere to the toilet, and if left unattended for a long time, the adhesion to the feces is improved, and dirt is removed when the toilet is cleaned. Hateful. It has been proposed to add a detergent to the water for washing in order to improve the washing power, but it has no effect on dirt remaining during washing.

Further, in the toilet seat device, since the water for washing does not come into contact, urine, especially in the case of boys, tends to be scattered and adhere to the surface, so that regular washing is indispensable. Further, since the ABS resin or the like is used in the cleaning operation as described above, a flaw is easily formed at the time of cleaning, and if a dirt component adheres to the flaw, the cleaning becomes more difficult. Further, it is necessary to use, for example, a neutral detergent or the like which does not deteriorate the ABS resin as a detergent used for washing. In addition, there has been a problem that the dirt component contributes to generation of odor.

[0006] The present invention is to solve the above problems,
A first object of the present invention is to provide a toilet which can be easily washed and has a dirt component which is not easily attached thereto and which can easily remove dirt.

[0007] The second object is that dirt components are hardly adhered,
Another object of the present invention is to provide a toilet seat device that can easily remove dirt and has excellent chemical resistance during washing.

[0008]

Means for Solving the Problems To achieve the first object, the toilet of the present invention comprises polytetrafluoroethylene and Ni on at least the surfaces of the toilet tub, the toilet seat, and the toilet lid which come into contact with water. And a water-repellent coating containing the same.

In order to achieve the second object, a toilet seat device according to the present invention comprises a toilet seat, a toilet lid, an equipment body containing at least a hot water washing unit, and an outer casing of the equipment body. A water-repellent coating containing polytetrafluoroethylene and Ni is formed on the outer casing or on one of the surfaces.

[0010]

The water-repellent coating containing polytetrafluoroethylene and Ni is excellent in water repellency, that is, water-repellent, and the contact angle, which is an index of the wettability of the material surface, that is, the angle at which the water droplet contacts the material surface is determined. It is close to 180 degrees and can almost completely repel water.

In the toilet of the present invention, the water-repellent coating formed on the portion in contact with water repels water-containing feces and makes it less likely to adhere to the toilet surface. In addition, even when the stool is left for a long time, the increase in the adhesion to the stool is reduced, and the stool can be easily dropped in the toilet cleaning operation. As a result, the washing operation is facilitated and the amount of water used for washing can be reduced.

Next, the operation of the configuration for achieving the second object of the present invention will be described. In the toilet seat device, periodic washing work is indispensable because water does not come into contact with the toilet during washing. In particular, urine is scattered and easily attached to the outer casing surface of the toilet seat device in a boy's urinal, but urine containing a large amount of water is repelled by the water-repellent coating and is less likely to adhere to the surface of the toilet seat device. Even if a trace amount remains, it can be easily washed. The water-repellent coating containing polytetrafluoroethylene and Ni has a high surface hardness,
In addition, since it has chemical resistance, it does not scratch the surfaces of the toilet seat, the outer casing, etc. in the cleaning operation, and the type of detergent used is not limited.

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show an embodiment of the present invention.
Is a toilet having a toilet tub 2 composed of pottery. Reference numeral 3 denotes a toilet seat device which is made of a resin molded product such as ABS and has a heating function, a toilet lid 5, and a hot water washing unit 6 for washing the hips with hot water after stool, a washing nozzle 7, a toilet seat 4, and hot water. The apparatus main body 9 includes a control circuit 8 for controlling the cleaning unit 6 and an outer casing 10 of the apparatus main body 9. When the toilet seat device 3 is not used, the toilet seat 4
The toilet 1 is configured by attaching the toilet lid 5.

As shown in FIG. 3, the inner surface of the toilet tub 2, that is, the surface 12 facing the retaining water 11, and the toilet seat 4 and the inclined surface 13 of the outer casing 10 as shown in FIG. A water-repellent coating 14 containing fluoroethylene and Ni is formed. The water-repellent coating 14 is basically formed by the same method as Ni plating. When using an inorganic material such as pottery and a resin as a base material, the following pretreatment is required.
That is, first, a member to be plated made of pottery or resin is molded of resin, and after the pottery is fired, the surface portion of the portion where the water-repellent coating tank 14 is formed is matted by a method such as shot blasting or etching. This is to improve the adhesion between the water-repellent coating tank 14 and the surface of the member to be plated. Next, a catalytic treatment is applied to the satin-like surface. That is, a noble metal element such as Pd is dispersed and supported on the satin-finished surface using Sn ions or the like. Further, the Sn ions are removed by an accelerator treatment, and the pretreatment is completed.
Next, a plating solution in which polytetrafluoroethylene having a particle diameter of about 4 μm is dispersed in a Ni plating solution is prepared, and the member to be plated which has been subjected to the pretreatment is immersed to perform electroless Ni plating. At this time, Pd dispersed and carried in the pretreatment serves as a nucleus for plating. In order to obtain a further film thickness, plating is thereafter performed by a normal electroplating method. Since the member to be plated is made of pottery or resin,
Only the pretreated portion is selectively plated.

Next, the operation and operation of the above configuration will be described. In the case of the toilet, a switch (not shown) is operated when the toilet seat is seated on the toilet seat for women's small and male and female toilets, and the toilet seat 4 is heated at a desired temperature. Since feces and urine excreted at the time of stool contain water, they are repelled by the water-repellent action of the water-repellent coating 14 and hardly adhere to the surface 14 of the toilet tub 2.
In particular, since small amounts of water contain a large amount of water, the contact angle between the attached urine droplet 15 and the water-repellent coating 14 is close to 180 degrees, as shown in FIG. As shown by the arrow in FIG.

When a switch (not shown) of the hot water washing unit 6 is turned on after stool, hot water of a desired temperature is spouted from the washing nozzle 7 to wash the buttocks. Although water flows from the surroundings, the toilet bowl surface 1 is washed. However, since feces hardly adhere and repel water at the time of washing, washing is performed almost completely by a synergistic action of these. As a result, the attached substance can be prevented from becoming an odor source, and the amount of water for washing can be reduced, thereby saving resources. In addition, when manure adheres to a portion where water does not come in contact with water during washing, it may remain. However, since the water-repellent coating 14 contains fluorine-based polytetrafluoroethylene, it remains even after being left for a long time. This has the effect of reducing the increase in the adhesion to the excreted manure, and can be easily washed with a washing brush or the like. Further, in the conventional cleaning operation, it is essential to use a chlorine-based detergent or the like, but in the present embodiment, the cleaning can be effectively performed without using a detergent.

Further, since the water-repellent coating 14 can be formed by the same method as Ni plating, the productivity is high and the cost is lower than that using only the fluorine resin, so that the low-cost toilet bowl 1 can be provided. .

Although the toilet tub 2 of this embodiment has been described as being made of pottery, the water-repellent coating 14 has a rust-preventive effect, and therefore, is made of a metal that can be plated with Ni, for example, an iron plate molded product. 2 may be configured. According to this configuration, the operation of molding the toilet tub 2 is facilitated, and the baking step can be omitted, so that the toilet bowl 1 at low cost can be provided.

Since the water-repellent coating 14 has a rust-preventing effect, the toilet tub 2 may be made of a resin molded product having high mechanical strength.

Further, the toilet seat 4 needs to be kept clean because an unspecified person can use it by directly touching the skin. In this embodiment, since the water-repellent coating 14 is provided on the surface of the toilet seat 4, it is difficult for dirt components to adhere, and even if it adheres, it can be easily wiped without using a detergent or the like. Further, the water repellent coating 14 has good thermal conductivity as compared with ABS resin or the like due to the main component of Ni plating. As a result, the temperature rising time of the toilet seat 4 having a heating function can be shortened and the temperature can be equalized. .

Next, the operation and operation when the child is a small child will be described. In the case of men's urine, the toilet seat is used in a state where urine does not fall on the toilet seat 4 as shown in FIG. At this time, since the urine contains a large amount of water, the contact angle between the attached urine droplet 15 and the water-repellent coating 14 on the inner surface of the toilet tub 2 is close to 180 degrees as described with reference to FIG. It is repelled and flows toward the remaining water 11 as shown by the arrow. However, in the case of a small boy, it easily scatters and adheres to the outer casing 10 of the toilet seat device 3, particularly the inclined portion 13 provided at the urination position. This is especially true in families with younger children. In the present embodiment, since the water-repellent coating 14 is provided on the inclined portion 13 of the outer casing 10, the urine droplets 15 are repelled and move toward the toilet tub 2 as shown in FIG. As a result, it is possible to prevent the urine droplets 15 from adhering to the surface of the inclined portion 13 and to easily clean even if a small amount adheres. The water-repellent coating 14 has chemical resistance, so it can be washed,
When cleaning, not only neutral detergents but also various detergents can be used. Further, since the urine droplets 15 are hard to adhere, it is possible to reduce an ammonia smell or the like due to propagation of various bacteria.

[0023]

As described above, according to the present invention, the following effects can be obtained.

(1) Since the water-repellent coating is provided on the surface of the toilet tank where water comes in contact, the adhesion of feces is suppressed, and the toilet can be easily washed without using a detergent in regular toilet cleaning.

(2) Since feces are hard to adhere and the water-repellent coating repels water almost completely, the amount of washing water used for washing after stool can be reduced, thereby saving resources. This is suitable for toilets in areas where water is scarce.

(3) Since a water-repellent coating is provided on the surface of the toilet seat, the water-repellent coating makes it difficult for dirt to adhere and can be easily cleaned, and in the case of a toilet seat having a heating function, the water-repellent coating shortens the time required for heating and equalizes the temperature of the toilet seat. Can be achieved.

(4) Since the water-repellent coating is provided on the outer casing of the toilet seat device, it is possible to prevent dirt on the outer casing in the case of small boys and to reduce the generation of odor due to the propagation of various bacteria on the urine-adhered portion. In addition, even if it adheres, it can be easily washed and the type of detergent is not limited. Further, since the surface of the coating film has high hardness, even if it is cleaned, the surface is not scratched.

[Brief description of the drawings]

FIG. 1 is a sectional view of a toilet and a toilet seat device according to an embodiment of the present invention.

FIG. 2 is an external perspective view of the same.

FIG. 3 is an enlarged sectional view of the stool tank.

FIG. 4 is an enlarged sectional view of a main part of the toilet seat device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Toilet bowl 2 Toilet tub 3 Toilet seat device 4 Toilet seat 5 Toilet lid 6 Hot water washing unit 7 Washing nozzle 8 Control circuit 9 Equipment body 10 Outer casing 14 Water-repellent coating

Claims (3)

(57) [Claims] 1. A toilet having a water-repellent coating containing polytetrafluoroethylene and Ni formed on at least the surfaces of a toilet tub, a toilet seat, and a toilet lid in contact with water. 2. The toilet according to claim 1, wherein the toilet tub is made of a metal material capable of Ni plating or a resin. 3. A toilet seat, a toilet lid, at least an equipment main body containing a hot water washing unit, and an outer casing of the equipment main body, wherein the toilet seat and the outer casing or at least one of the surfaces has polytetrafluoroethylene. A toilet seat device formed with a water-repellent coating containing Ni.