JP2000096689A - Flush toilet stool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the cleanability in a bowl section by providing a washing water discharge section having a washing water discharge port discharging the washing water along the inner face of the bowl section on the upper end section of the bowl section, and discharging the washing water flushing the washing water discharge section with the washing water discharge port itself. SOLUTION: This flush toilet stool 10 is provided with a bowl section 3 communicating with a drain port 2 via a trap 1 and a washing water discharge section 7 having a two-direction washing water discharge port toward the inner face of the bowl section 3 on the upper end section 4 of the bowl section 3 capable of mounting a toilet seat 5. One washing water discharge port discharges the washing water in the downward direction, and the other washing water discharge port discharges the washing water in the lateral direction. The washing water is fed to the washing water discharge section 7 from a feed water source, the washing water discharged from one washing water discharge port washes a bowl face directly below the washing water discharge section 7, the washing water discharged from the other discharge port washes most of the inner face of the bowl section 3, and part of the washing water is circulated along the upper edge section of the bowl section 3 to wash the outer surface of the washing water discharge section 7 itself.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flush toilet provided with a flush water discharge section (spreader) for discharging flush water along an inner surface of a bowl portion at an upper end portion of the bowl portion.

[0002]

2. Description of the Related Art A flush toilet disclosed in Japanese Unexamined Patent Publication No. Hei 9-165807 is a conventional flush toilet in which flush water is supplied to the inner surface of a bowl portion by a spreader. As shown in FIG. 7, the flush toilet is provided with a drain port 2 through a trap 1.
And a water supply receiving chamber 22 for receiving washing water for the bowl part 3 from a water supply pipe 21 on the outside of the toilet bowl on the wall surface of the bowl part 3, between the water supply receiving chamber 22 and the bowl part 3. An opening 23 is provided in the wall surface, and the washing water discharge section (spreader) 7 is attached to the opening 23.

[0003]

However, the conventional flush water discharge portion (spreader) of the flush toilet is not cleaned by the clean water discharge portion itself due to its own structure and installation conditions in the bowl portion. In addition, there is a problem that dust adheres and accumulates on a portion other than the portion where the cleaning water is discharged, and urine adheres, and bacteria, various bacteria and the like multiply and become dirty, and the cleaning water discharge portion itself becomes unsanitary.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and an object of the present invention is to wash the washing water discharge portion itself, thereby keeping it clean, and further improving the cleanability of the inside of the bowl portion. Aim.

[0005]

A flush toilet according to the present invention comprises: a flush water discharge section having a flush water discharge port for discharging flush water along an inner surface of a bowl portion at an upper end of the bowl portion; A discharge port for discharging the cleaning water for cleaning the cleaning water discharge section. According to the present invention, the cleaning water discharge unit itself is washed by the cleaning water discharged from the water discharge port in the bowl portion, and the cleaning water discharged from the cleaning water discharge port of the cleaning water discharge portion cleans the inner surface of the bowl portion. Therefore, dirt due to dust, urine, and the like that accumulates in the washing water discharge portion is washed, and the entire inner surface of the bowl portion can be kept clean.

Further, the water outlet is a washing water outlet of the washing water discharging part. The cleaning water discharged from the cleaning water discharge port is used to clean the inner surface of the bowl portion and to clean the cleaning water discharge portion itself. Therefore, there is no need to separately provide a water outlet for discharging the cleaning water for cleaning the cleaning water discharge portion, and it is possible to improve the productivity of the toilet and the cleaning stability. That is, the number of openings for discharging water can be reduced, and the dimensional tolerance of the openings can be manufactured by paying attention to only one location. If the number of openings is large, attention must be paid to secure a predetermined dimensional tolerance, and the production yield will be poor, but if the number of openings is small, products with stable opening positions and shapes will be produced. It can be manufactured well, and the washing water is stably discharged from the opening, so that the bowl portion can be reliably washed.

[0007] Further, the apparatus is characterized in that a plurality of the cleaning water discharge sections are provided, and the cleaning water discharge port of one of the cleaning water discharge sections is the water discharge port for cleaning another cleaning water discharge section. According to the present invention, the wash water discharge port of one wash water discharge section cleans the other wash water discharge section and simultaneously cleans the bowl surface. Therefore, it is not necessary to use a water discharge port to wash only the washing water discharge part, and the bowl washability is improved by using a plurality of wash water discharge parts.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention will be described below with reference to the drawings. 1 and 2 show a first embodiment of a flush toilet according to the present invention. FIG. 1 is a sectional view of a flush toilet, and FIG. 2 is a plan view. FIGS. 3 and 4 are enlarged views of a flush water discharge section (spreader) used in the flush toilet shown in FIG. Flush toilet 10
Has a bowl portion 3 communicating with a drain port 2 via a trap 1, a toilet seat 5 can be placed on the upper end portion 4 of the bowl portion, and the washing water is discharged onto the inner surface of the bowl portion 3 on the upper end portion 4 of the bowl portion. A cleaning water discharge section 7 having water discharge ports 6a and 6b is provided. The cleaning water discharge port 6a is a discharge port for discharging the cleaning water downward, and 6b is a discharge port for discharging the cleaning water in the horizontal direction. FIG. 3 shows that the shape of the cleaning water discharge port is 6a and 6b is rectangular.
Shows an example of a hook-like shape, and FIG. 4 shows an example of a shape of a washing water discharge port, and 6a and 6b of a rectangular shape.

Next, the cleaning operation will be described. Wash water is supplied from a water supply source (not shown) to the wash water discharge unit 7, and the wash water is discharged from the wash water discharge ports 6a and 6b. When the shape of the cleaning water discharge port is as shown in FIG. 3, the cleaning water discharged from the cleaning water discharge port 6a cleans the bowl surface immediately below the cleaning water discharge section 7. The cleaning water discharged from the cleaning water discharge port 6b cleans most of the inner surface of the bowl portion 3 and a part of the cleaning water circulates along the upper edge of the bowl portion 3 to form an outer surface of the cleaning water discharge portion 7 itself. Is washed. When the shape of the cleaning water discharge port is as shown in FIG. 4, the cleaning water discharged from the cleaning water discharge port 6a cleans the outer surface of the cleaning water discharge section 7 and the bowl surface immediately below the cleaning water discharge section 7, and the cleaning water discharge port. The cleaning water discharged from 6b cleans most of the inner surface of the bowl portion 3. As a result, dirt attached to the cleaning water discharge unit 7 due to dust and urine is washed away, and the cleaning water discharge unit 7 can be kept clean. Also, the cleaning water discharge port 6a
Alternatively, since 6b also serves as a water outlet for washing water for washing the washing water discharge part 7 itself, it is not necessary to separately provide a water outlet for washing water in the toilet body, and the number of openings provided in the toilet body is reduced. The toilet bowl manufacturing efficiency can be improved.

FIG. 5 shows a second embodiment. In this embodiment, the wash water discharge portions 7a and 7b are provided at two places on the upper end portion 4 of the bowl portion.
The flush water discharge section 7a is provided at the rear of the toilet, and the wash water discharge section 7b is provided at the front of the toilet. The washing water discharge sections 7a and 7b are the first
In the same manner as in the first embodiment, a cleaning water discharge port 6b for discharging cleaning water in the direction of the arrow in the horizontal direction and a cleaning water discharge port 6a for discharging cleaning water are provided below.

Next, the cleaning operation will be described when the cleaning water discharge ports 6a and 6b have the shapes shown in FIG. The cleaning water discharged from the cleaning water discharge port 6b of the cleaning water discharge part 7a goes around the semi-periphery along the upper edge of the bowl part 3, reaches the cleaning water discharge part 7b, and is discharged from the cleaning water discharge part 7b. Clean outer surfaces. On the other hand, the cleaning water discharged from the cleaning water discharge port 6b of the cleaning water discharge part 7b goes around the semi-periphery along the upper edge of the bowl part 3, reaches the cleaning water discharge part 7a, and reaches the cleaning water discharge part. The outer surface of 7a is cleaned. The cleaning water discharged from the cleaning water discharge ports 6a of the cleaning water discharge sections 7a and 7b cleans the bowl surfaces immediately below the cleaning water discharge sections 7a and 7b as in the first embodiment. As described above, the cleaning water discharge port of one of the cleaning water discharge portions cleans the other cleaning water discharge portion and also cleans the inner surface of the bowl portion 3. In this case, the circulation distance of the cleaning water is shorter than that of the first embodiment, and even if the discharge pressure of the cleaning water is low, the cleaning water can reach the other cleaning water discharge sections. Further, the cleaning water discharged from the cleaning water discharging portion on the side of the bowl portion having a large dry surface improves the bowl surface cleaning performance.

FIG. 6 shows a third embodiment. In this embodiment, the wash water discharge portions 7a, 7
b, 7c, 7d, a flush water discharge section 7a at the rear of the toilet, a flush water discharge section 7b at the front of the toilet, a flush water discharge section 7c between the flush water discharge sections 7a and 7b on the left and right sides of the toilet, 7d
Is provided. As in the first and second embodiments, the cleaning water discharge sections 7a, 7b, 7c, and 7d each have a cleaning water discharge port 6b that discharges cleaning water in the direction of an arrow in the horizontal direction and a discharge that discharges cleaning water downward. Cleaning water discharge port 6a. In this case, the circulation distance of the cleaning water is further reduced as compared with the second embodiment, and the cleaning area covered by one cleaning water discharge unit is reduced, so that the cleaning stability is improved.

In each of the above embodiments, the discharge direction of the washing water is a counterclockwise flow of water, but it may be clockwise. Also, the example of the flush water discharge section having the flush water discharge port having the downward direction and the horizontal direction has been described. The exit may be lateral only.

[Brief description of the drawings]

FIG. 1 is a sectional view of a first embodiment of a flush toilet according to the present invention.

FIG. 2 is a plan view of the first embodiment.

FIG. 3 is an enlarged view of a cleaning water discharge unit shown in FIG.

FIG. 4 is an enlarged view of another cleaning water discharge section shown in FIG.

FIG. 5 is a plan view of a flush toilet according to a second embodiment of the present invention.

FIG. 6 is a plan view of a third embodiment of the flush toilet according to the present invention.

FIG. 7 is a schematic sectional view of a toilet having a conventional flush water discharge section.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Trap 2 ... Drain port 3 ... Bowl part 4 ... Bowl part upper end part 5 ... Toilet seat 6a, 6b ... Wash water discharge port 7, 7a, 7b, 7c, 7d ... Wash water discharge part (spreader) 21 ... Water supply pipe 22 … Water supply receiving room 23… opening

Claims (3)

[Claims] 1. A cleaning water discharging portion having a cleaning water discharging port for discharging cleaning water along an inner surface of a bowl portion at an upper end portion of the bowl portion, and discharging cleaning water for cleaning the cleaning water discharging portion to the bowl portion. A flush toilet comprising a water outlet. 2. The flush toilet according to claim 1, wherein the water outlet is a wash water outlet of the wash water outlet. 3. The cleaning water discharging section according to claim 1, wherein a plurality of the cleaning water discharging sections are provided, and a cleaning water discharging port of one cleaning water discharging section is used as the water discharging port for cleaning another cleaning water discharging section. The flush toilet described.