JP2002276008A - Flush toilet bowl - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a flush toilet bowl for improving cleaning performance by increasing a degree of freedom of design for controlling a flow of wash water falling from a water feeding passage while holding cleaning performance of a toilet bowl. SOLUTION: This flush toilet bowl has a wash water feeding passage composed of a first water discharge part for discharging the wash water for cleaning a bowl part, a shelf part being a passage of the wash water from the first water discharge part, and arranged in an upper part of the bowl part, and a shelf part side part being a part of the bowl part, and existing above the shelf part. The wash water feeding passage is provided with a wash water flow regulating means for regulating a flow rate of the wash water proceeding in the bottom part direction of the bowl part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a first water discharging section for discharging cleaning water for cleaning a bowl section, and a shelf provided on an upper portion of the bowl section, which serves as a passage for the cleaning water from the first water discharging section. The present invention relates to a flush toilet provided with a flush water passage composed of a portion and a shelf side portion which is a part of the bowl portion and is higher than the shelf portion.

[0002]

2. Description of the Related Art The following is a detailed description of what has hitherto been found in JP-A-11-350575. FIG.
It is a perspective view which shows the conventional flush toilet. As shown in FIG. 10, the conventional flush toilet guides washing water from a water supply source (not shown) along the outer peripheral edge of the toilet bowl 5 and flows the washing water to the toilet bowl surface 5 </ b> A of the toilet bowl 5. A water passage 41 is formed. The water passage 41 has a horizontal wall portion 41A formed horizontally and annularly along the outer peripheral edge of the toilet bowl 5, and rises along an outer edge of the horizontal wall portion 41A opposite to the toilet bowl surface 5A. Rising wall portion 41B and the toilet bowl surface 5
The inner edge and the upper side adjacent to A are each opened. In addition, on the surface adjacent to the water supply channel 14, a spray hole 42 for directly injecting the wash water supplied to the water supply channel 14 to the toilet bowl surface 5 </ b> A of the toilet bowl 5 is formed.

Accordingly, the washing water supplied to the water supply channel 14 flows down to the toilet bowl surface 5A of the toilet bowl 5 while flowing around the outer periphery of the toilet bowl 5 along the horizontal wall 41A of the water passage 41, that is, Because it flows down from the entire circumference of the toilet bowl surface 5A,
Even with a small amount of washing water, the entire surface of the toilet bowl surface 5A can be effectively washed. Moreover, in the structure of the water passage 41, the horizontal wall portion 41A formed horizontally along the outer peripheral edge of the toilet bowl 5
And a rising wall portion 41B rising up along the outer edge of the horizontal wall portion 41A, and the inner edge and the upper portion of the horizontal wall portion 41A are opened, so that it is easy to clean.

[0004]

However, in the conventional flush toilet, only the horizontal wall portion 41A and the rising wall portion 41B can control the movement of the washing water passing through the water passage 41, so that the flush toilet surface 5A The degree of freedom in the design for optimizing the drop location and flow rate of the wash water was small, and it was very difficult to design the toilet bowl 5 and the like. The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to provide a design for controlling the flow rate of washing water falling from the water passage 41 while maintaining the cleanliness of the toilet bowl 5. To increase the degree of freedom and improve the cleaning performance.

[0005]

Means for Solving the Problems and Action / Effect To achieve the above object, a first water discharging section for discharging cleaning water for cleaning the bowl section, and a cleaning water from the first water discharging section. A flush toilet provided with a flush water passage composed of a shelf provided at an upper portion of the bowl portion and a shelf side portion being a part of the bowl portion and being higher than the shelf portion. , The flush water flow path is provided with flush water flow rate adjusting means for regulating the flow rate of flush water toward the bottom of the bowl portion. According to the present invention, the washing water flow rate adjusting means for adjusting the flow rate of the washing water flowing toward the bottom of the bowl portion is a shelf provided at an upper portion of the bowl portion, and a part of the bowl portion, A flush water passage comprising a shelf side portion above the shelf portion; Therefore, it becomes easier to direct the washing water from the washing water passage to the bottom of the bowl from a desired location. Therefore, the degree of freedom in designing the bowl portion is improved, and the cleaning performance can be naturally improved.

A second aspect of the present invention provides a flush toilet characterized in that the flush water flow rate adjusting means is a standing wall provided on the shelf. According to the present invention, the standing wall provided on the shelf adjusts the flow rate of the washing water passing through the shelf. Therefore, it becomes easier to direct the washing water from the washing water passage to the bottom of the bowl from a desired location. Therefore, the degree of freedom in design is improved, and the cleaning performance can be naturally improved.

Further, the present invention provides a flush toilet characterized in that the flush water flow rate adjusting means is a horizontal wall provided on the side of the shelf. According to the present invention, the lateral wall provided on the side of the shelf adjusts the flow rate of the washing water passing through the side of the shelf. Therefore, it becomes easier to direct the washing water to the bottom of the bowl portion than desired from the desired location, more than the effect of the standing wall.
Therefore, the degree of freedom in design is improved, and the cleaning performance can be naturally improved.

Further, the present invention provides a flush toilet characterized in that the flush water flow rate adjusting means is separate from the flush water passage. According to the present invention, the washing water flow rate adjusting means is provided separately from the washing water passage. Therefore, it is possible to adjust to a desired drop point and flow rate of the washing water by attaching a separate washing water flow rate adjusting means after construction of the flush toilet. Therefore, the present invention is particularly effective in the case where the pressure of the washing water fluctuates depending on the mounting state of the flush toilet, for example, when the water supply source for washing is the tap water pressure.

[0009] The fifth aspect of the present invention provides a flush toilet characterized in that the standing wall includes a guide portion for guiding wash water toward the bottom of the bowl portion. According to the present invention, the standing wall is provided with the guiding portion for guiding the bowl portion toward the bottom.
Therefore, the guide portion allows the washing water to be more positively directed toward the bottom of the bowl portion, thereby further increasing the degree of freedom in design.

According to a sixth aspect of the present invention, the upright wall is provided at an end of the shelf, and a plurality of notches are provided, and the opening area of each notch is smaller toward the upstream side in the washing water flow direction. A flush toilet is provided. ADVANTAGE OF THE INVENTION According to this invention, the stand wall provided with the notch part which has a notch part which has an opening area smaller toward the upstream of the wash water flow direction is provided in the edge part of a shelf. Therefore, after the water is discharged, the washing water flows down from the narrow notch to the bottom of the bowl on the upstream side where the pressure is high, and flows down to the bottom of the bowl from the wide notch on the downstream side where the pressure is low. Optimal cleaning is performed. In addition, since a sufficient amount of washing water is secured at the tip portion, washing can be performed with a small amount of washing water as a whole.

In a preferred embodiment of the present invention, the first water discharge section is located on the right or left side behind the bowl section, and the upright wall is located at an end of the shelf at a tip end of the bowl section.
A flush toilet characterized by a tip standing wall for reducing the amount of water heading toward the bottom of the bowl portion. According to the present invention, the first water discharge section is located on the right or left side behind the bowl section, and the tip standing wall for reducing the amount of water flowing toward the bottom of the bowl section is provided at the shelf at the tip section of the bowl section. At the end of the part. Therefore, the washing water is swirled toward the rear of the bowl portion on the opposite side of the first water discharge portion while the optimal amount is held on the shelf portion at the tip end portion, so that the entire circumference of the bowl portion can be reliably washed. . Further, since it is not necessary to increase the pressure of the cleaning water unnecessarily, splashing of water during cleaning can be reduced.

Further, the present invention provides a flush toilet characterized by comprising a plurality of the flush water flow rate adjusting means.
According to the present invention, a plurality of cleaning water flow rate adjusting means are provided.
Therefore, the flow rate of the washing water falling from the washing water passage can be adjusted by various washing water flow rate adjusting means, and the behavior of the washing water can be more easily adjusted.

[0013] A ninth aspect of the present invention provides a flush toilet characterized in that the first spouting section directly receives the pressure of a predetermined external pressurized water supply source. According to the present invention, there is provided the first water discharge section which directly receives the pressure of the predetermined external pressurized water supply source. Therefore, the effect of adjusting the flow rate of the cleaning water by the cleaning water flow rate adjusting means is particularly exhibited.

The pressurized water supply source referred to here is a general term for a water supply pressure (original pressure) which cannot be obtained with a flush water storage tank mounted on a toilet having a head pressure of about 250 mm. Therefore, the pressurized water supply source of the present invention has not only a pressurized pump but also a pressurized water supply pipe such as a water pipe, as well as a large head pressure as compared to a toilet mounted type such as a house roof or a building roof. Includes water that can be supplied with washing water.

A tenth aspect of the present invention provides a flush toilet characterized by having a plurality of the first water discharging sections. According to the present invention, a plurality of first water discharging units are provided. Therefore, by combining the arrangement state of the washing water amount adjusting means located in the washing water passage and the number of the first water discharge sections, it becomes easier to further adjust the behavior of the washing water, so that further washing efficiency is achieved, and thus water saving is achieved. Also leads to.

[0016] In the eleventh aspect, the washing water flow rate adjusting means is provided in a thin plate-shaped splashing prevention portion which is located above the washing water passage and prevents splashing. Provide a toilet bowl. According to the present invention, the washing water flow rate adjusting means is provided in the thin plate-like water splash preventing portion at the upper part of the washing water passage. Therefore, the manufacture of the washing water flow rate adjusting means is simplified and the dimensional accuracy is improved. Further, the splash of water at the time of washing the washing water is reduced by the splash preventing portion.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention will be described below with reference to the drawings. FIG. 1 is a schematic view of a flush toilet showing a first embodiment according to the present invention. 2 (a) and 2 (b) are enlarged views of the cleaning water flow rate adjusting means in FIG. 1, respectively. This first
The flush toilet 10 according to the embodiment includes two first water discharge units 40 and a water supply passage from an external pressurized water supply source on an upper part of a toilet body 20 having a bowl unit 11 and a drainage unit (not shown). A certain water supply channel 100 is provided via a valve 110, and the toilet body 2
The water supply source relay unit 70 which is detachable from the water supply source 70 is mounted. In addition, a shelf portion 50 which is a passage of the pressurized cleaning water RS discharged from the first water discharging portion 40 is provided substantially all around the upper portion of the bowl portion, that is, the lower portion of the upper end portion 21 of the bowl portion. A plurality of standing walls 120 are formed on the shelf 50 and formed integrally with the shelf 50. Further, the lateral wall 140 is disposed on the shelf side portion 130 which is a part of the bowl portion upstream of the vicinity where the curvature of the bowl portion at the distal end portion 22 becomes large. In addition, as shown in FIG. 2A, the standing wall 120 has a bent portion 150 as a guiding portion so that the washing water can easily flow toward the bottom of the bowl portion. Further, as shown in FIG.
And a suction cup 142, and can be disposed on the shelf side portion 130 so as to be in a desired cleaning state after construction of the toilet.

The water supply source relay section 70 is attached to the rear of the bowl section 11 of the toilet body 20 by an attachment section (not shown). First water discharging sections 40, 40 of water supply source relay section 70
Has a function of cleaning the bowl portion 11 with the pressurized cleaning water RS, and communicates with a water supply passage in the water supply source relay portion 70 via a valve 110. The first water discharge units 40 and 40 are disposed on the right and left sides of the water supply source relay unit 70 so as to protrude into the bowl unit 11.

Next, the cleaning operation of the flush toilet 10 in the first embodiment will be described. When the cleaning operation unit (not shown) is operated, the pressurized cleaning water RS from the external pressurized water supply source passes through the water supply path of the water supply source relay unit 70 via the valve 110,
Water is discharged from the first water discharging unit 40 on the right side. After the water is spouted, the right side of the bowl portion 11 is washed while flowing an appropriate amount of the pressurized washing water RS by a standing wall 120 having a bent portion 150 disposed on the shelf 50 in a direction indicated by an arrow in the figure. When the washing proceeds and the washing water comes near the front end portion 22, the washing water is positively directed to the bottom of the bowl portion by the horizontal wall 140 provided on the shelf side portion 130. Further, like the first water discharging section 40 on the right side, water discharging is started from the first water discharging section 40 on the left side, and the water is efficiently washed by a standing wall (not shown) with a small amount of water as in the right side of the bowl section. After the respective pressurized washing waters RS merge at the tip end portion 22, the pressurized washing water RS flows down toward the inlet 250 of the drainage section toward the bottom of the bowl section, and a siphon is generated in the drainage section. By this siphon, the wastewater RW and the pressurized cleaning water RS in the bowl portion 11 and the waste are discharged to the outside.

Therefore, the washing water can be appropriately directed to the bottom of the bowl portion by the standing wall 120 of the shelf 50 substantially all around. In particular, in the case of an upright wall having a bent portion serving as a guiding portion as in this embodiment, it is possible to more effectively adjust the flow rate of the washing water toward the bottom of the bowl portion. Further, in the present embodiment, the horizontal wall is separate, but the vertical wall may be separate from the washing water passage.
In addition, since the washing water is positively directed to the bottom of the bowl portion more than the vertical wall by the horizontal wall, it is more effective to dispose the cleaning water at a location facing the entrance 250 of the drainage portion as in this embodiment. Further, in the present embodiment, the upright wall and the side wall are arranged so that the movement of the washing water is optimal, and a preferred example using a plurality of washing water flow rate adjusting means is shown.
In this embodiment, the water supply source uses the direct pressure of tap water, but a pump or the like may be used, and in any case, the pressure of the water supply source can be effectively used for cleaning, and the cleaning efficiency can be improved. Contributes to

Next, a second embodiment will be described. FIG. 3 is a schematic perspective view of a flush toilet according to a second embodiment in which a rear portion is omitted. Components that are the same as or correspond to those of the flush toilet according to the first embodiment are denoted by the same reference numerals, and detailed description is omitted. Second
The flush toilet 10 of the embodiment is provided at an upper rear portion of the bowl portion 11.
One first water discharging section 40 is formed integrally with the bowl section 11. In addition, a shelf portion 50 which is a passage of the pressurized cleaning water RS discharged from the first water discharge portion 40 is provided substantially all around the upper portion of the bowl portion 11, that is, the lower portion of the upper end portion 21 of the bowl portion. At the end of the shelf 50, a notch 200
(A, B, C), and the opening area of each notch 200 is smaller at the upstream side in the washing water flow direction.
Are integrally formed and arranged. That is, in the present embodiment, the area of the notch decreases in the order of C, B, and A.

The first water discharging section 40 has a function of cleaning the bowl section 11 with the pressurized cleaning water RS, and communicates with an external water supply source (not shown). The first water spouting section 40 includes the bowl section 11
It is arranged on the right side of the rear part so as to protrude into the bowl part 11.

Next, the cleaning operation of the flush toilet 10 in the second embodiment will be described. When a cleaning operation unit (not shown) is operated, pressurized cleaning water RS from an external pressurized water supply source is discharged from the first water discharging unit 40 on the right rear side of the bowl unit 11. The pressurized cleaning water RS after the water discharge proceeds on the shelf 50 in the direction indicated by the arrow in the figure. While proceeding, the right side of the bowl portion 11 is washed while appropriately flowing an appropriate amount of the washing water in each of the notches A, B, and C. After that, the washing water advances along the shelf 50 while turning clockwise, and cleans the bowl while applying a clockwise turning force to the accumulated water RW stored in the bowl 11.

Therefore, it is possible to appropriately direct the washing water toward the bottom of the bowl portion by the cutout portion 200 of the upright wall 120 of the shelf 50 substantially all around. Particularly, as in the present embodiment, the structure is more difficult to drop to the bottom of the bowl portion on the upstream side where the washing water pressure is higher, so that the washing water is held up to the tip of the bowl portion, which leads to water saving. In this embodiment, the water supply source uses the direct pressure of tap water. However, a pump or the like may be used, and in any case, the pressure of the water supply source can be effectively used for cleaning, and the cleaning efficiency can be improved. Contributes to

Next, a third embodiment will be described. FIG. 4 is a perspective view of the flush toilet of the third embodiment, and FIG. 5 is a schematic longitudinal sectional view at the tip end in FIG. Components that are the same as or correspond to those of the flush toilet according to the first embodiment are denoted by the same reference numerals, and detailed description is omitted. The flush toilet 10 of this embodiment has a bowl 11
And a toilet seat detachable from the toilet body 20 including a toilet seat body 31, a first water discharge section 40, and a toilet seat base 32 having a local cleaning nozzle 33 on an upper portion of the toilet body 20 having a drainage section (not shown in detail). 30 is mounted. In addition, a shelf portion 50 is provided below the upper end portion 21 of the bowl portion at the tip end portion 22 and serves as a passage for the pressurized cleaning water RS discharged from the first water discharge portion 40. The shelf portion 50 is provided at an end of the shelf portion 50,
A tip standing wall 300 for reducing the flow toward the bottom of the bowl portion 11 is integrally formed.

The toilet seat body 31 is formed in an annular shape having substantially the same shape as the bowl portion upper end portion 21.
Is placed on the upper end 21 of the bowl portion. The upper edge portion of the toilet seat body 31 is a seating portion on which a user sits. The back portion of the toilet seat body 31 is rotatably held by a holding portion (not shown) provided on the toilet seat base 32, and the toilet seat body 3
1 can be turned upside down by rotating with this holding portion. The toilet seat base 32 contains a water supply path (not shown), a first water discharge section 40, a local cleaning nozzle 33 for cleaning a local part of a human body, and a water supply path communicating therewith. The first water discharging section 40 has a function of cleaning the bowl section 11 with the pressurized cleaning water RS, and communicates with a water supply passage in the toilet seat base 32. The first water discharging section 40 is disposed on the right side of the toilet seat base 32 below the center of rotation of the toilet seat body 31 so as to protrude into the bowl section 11. The local cleaning nozzle 33 has a function of cleaning a local part of the human body with cleaning water, and is communicated with a water supply passage in the toilet seat base 32. The local cleaning nozzle 33
Is disposed so as to be able to enter and exit the bowl portion 11.

Next, the cleaning operation of the flush toilet 10 in the third embodiment will be described. When a cleaning operation unit (not shown) is operated, pressurized cleaning water RS from an external pressurized water supply source is discharged from the first water discharging unit 40 through a water supply passage in the toilet seat base 32. The pressurized cleaning water RS after the water discharge cleans the bowl portion 11 in a direction indicated by a white arrow in the figure, and cleans the lower portion of the bowl portion 11 while appropriately falling in a substantially vertical direction. Tip 2
In No. 2, the passage of the pressurized washing water RS becomes curved and the traveling direction changes greatly, but the optimal amount is maintained by the tip standing wall 300. In addition, the function of the tip standing wall 300 in the present embodiment ensures that the flow rate of the washing water toward the bottom of the bowl portion at the tip portion is reduced, so that the washing on the left side of the bowl portion 11 can be optimally performed. Therefore, the wastewater is effectively discharged to the outside together with the stored water RW stored in the bowl portion 11.

With such a configuration, it is possible to ease the condition of water discharge from the first water discharge section 40 by the effect of the front end wall 300 provided at the front end portion 22, and the pressurized cleaning water RS
Can be lowered. It also has the effect of rectifying the washing water that travels on the left shelf (not shown), and the washing ability is improved based on those effects.

If a shelf having a vertical wall is provided on the side of the bowl 11, further adjustment of the washing water becomes possible, leading to water saving.

Next, a fourth embodiment will be described. FIG. 6 is a top view of the flush toilet of the fourth embodiment, and FIG. 7 is an enlarged perspective view of the standing wall in FIG. Components that are the same as or correspond to those of the flush toilet according to the first embodiment are denoted by the same reference numerals, and detailed description is omitted. The flush toilet 10 of the fourth embodiment has a toilet body 20 provided with a bowl portion 11 and a drain portion (not shown).
The first water discharge sections 40, 40 and a water supply path 100, which is a water supply path from an external pressurized water supply source, are provided via a valve 110. Note that the pressurized washing water R spouted from the first spouting portions 40, 40 over substantially the entire periphery of the upper portion of the bowl portion 11
A shelf 50 serving as a passage for S is provided. The shelf 50 has standing walls 120, 1 having stepped guiding portions K1, K2.
20 are located on the left and right sides of the shelf 50, respectively. As shown in FIG. 7, the upright wall 120 has a stepped guiding portion K.
1 and K2 are provided at two locations, and the width of the shelf is reduced at each location. The structure has a function of adjusting the flow rate of the washing water passing therethrough. Therefore, the washing water can be more positively directed toward the bottom of the bowl portion 11, and the degree of design freedom is increased.

Next, the cleaning operation of the flush toilet 10 in the fourth embodiment will be described. When a cleaning operation unit (not shown) is operated, pressurized cleaning water RS from an external pressurized water supply source is discharged from two left and right first water discharge units 40 through a water supply passage 100 and a valve 110. Is done. The pressurized washing water RS after the water spouting flows in the right and left directions of the bowl portion 11 while appropriately flowing an appropriate amount by the standing wall 120 having the stepped guiding portions K1 and K2 arranged on the shelf 50 in the direction indicated by the arrow in the figure. The sides are cleaned and merged at the tip 22. Each pressurized washing water R
After the S has merged at the tip 22, the entrance 250 of the drainage section
, The pressurized washing water RS flows down toward the bottom of the bowl, and a siphon is generated in the drain. With this siphon, the stored water RW, the pressurized cleaning water RS in the bowl portion 11,
At the same time, waste is discharged outside.

Therefore, the washing water can be appropriately directed to the bottom of the bowl portion by the standing wall 120 of the shelf 50 substantially all around. Particularly in the case of a standing wall provided with a step-like guiding portion having a function as a guiding portion as in this embodiment,
Further, the flow rate of the washing water toward the bottom of the bowl portion can be adjusted more effectively. In addition, since the washing water has a structure that is more likely to be directed toward the bottom of the bowl portion toward the tip portion of the bowl portion after water is spouted, a design in which a sufficient amount of washing water remains at the tip portion can be easily achieved. In this embodiment, the water supply source uses the direct pressure of tap water, but a pump or the like may be used.
In any case, the pressure of the water supply source can be effectively used for cleaning, which contributes to more efficient cleaning.

Next, a fifth embodiment will be described. FIG. 8 is a schematic cross-sectional view of the flush toilet of the fifth embodiment, and FIG. 9 is a perspective view of the separate splash preventing portion in FIG. Components that are the same as or correspond to those of the flush toilet according to the first embodiment are denoted by the same reference numerals, and detailed description is omitted. The flush toilet 10 of the fifth embodiment includes a first water discharging section 40 disposed vertically on the back of the bowl section 11.
a and 40b. The first water discharging sections 40a, 40b
Is a valve 110 and a first water discharge section water supply pipe 72a, respectively.
72b. The first water discharging section 40
Reference numerals a and 40b are formed integrally with the inner wall behind the bowl portion 11. Also, in preparation for jetting of washing water from the first water discharging units 40a and 40b, the shelf unit 50 is wide,
It is formed integrally with the lower peripheral edge of the bowl portion upper end portion 21 except for the rear portion of the bowl portion 11. And the valve 110 is
Valve control is performed so that the flush water is simultaneously ejected from the respective first water discharge units 40a and 40b. In this way, the swirling flow of the cleaning water in a wide state occurs, and the number of opportunities for the swirling flow to contact the inner surface of the bowl portion 11 increases, so that high cleaning performance can be exhibited.

At that time, in order to prevent the pressurized washing water RS from passing through the shelf 50 from splashing, the bowl upper end 21 is provided with a separate splash preventing body from the toilet body 20 shown in FIG. Part 80
Is placed. At the end of the splash prevention portion, there are provided a plurality of standing walls 120 for adjusting the flow rate of the washing water passing through the shelf 50 toward the bottom of the bowl portion 11. Therefore, the standing wall 120 can be made of an easily processable material such as a resin because the standing wall 120 is provided in the water splash preventing portion 80 which is separate from the toilet body 20, so that the desired shape can be obtained. It is easy to make, and it is easy to adjust the flow rate of the washing water toward the bottom of the bowl. In the present embodiment, the splash preventing portion 80 is formed in a shape continuous in the circumferential direction similarly to the circumferential shape of the upper end portion 21 of the bowl portion except for the rear portion of the bowl portion 11. Therefore, the attachment / detachment to / from the toilet main body 20 is extremely simple, and the use of the toilet seat placed thereon is not affected at all.

The first water discharging sections 40a, 4a
Since 0b is formed integrally with the toilet body 20, it is very simple and does not require any labor during construction, and is unlikely to cause troubles during transportation and the like.

[Brief description of the drawings]

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

FIG. 2 is an enlarged view of each cleaning water flow rate adjusting means in FIG.

FIG. 3 is a schematic perspective view of a flush toilet without a rear portion according to a second embodiment of the present invention.

FIG. 4 is a perspective view of a flush toilet according to a third embodiment of the present invention. Is shown. It is.

FIG. 5 is a schematic vertical cross-sectional view at the tip end in FIG.

FIG. 6 is a top view of a flush toilet according to a fourth embodiment of the present invention.

FIG. 7 is an enlarged perspective view of the standing wall in FIG. 6;

FIG. 8 is a schematic cross-sectional view of a flush toilet according to a fifth embodiment of the present invention.

FIG. 9 is a perspective view of a separate splash prevention unit in FIG. 8;

FIG. 10 is a perspective view showing a conventional flush toilet.

[Explanation of symbols]

 5 ... toilet bowl 5A ... toilet bowl surface 10 ... flush toilet 11 ... bowl part 14 ... water supply channel 20 ... toilet body 21 ... bowl part upper end part 22 ... tip part 30 ... toilet seat 31 ... toilet seat body 32 ... toilet seat base 33 ... local washing Nozzle 34 Back surface 40, 40a, 40b First water discharge part 41 Water passage 41A Horizontal wall 41B Rise wall 42 Water spray hole 50 Shelf 70 Water supply source relay part 72a, 72b First water discharge Part water supply pipe 80 ... water splash prevention part 100 ... water supply channel 110 ... valve 120 ... standing wall 130 ... shelf side part 140 ... side wall 141 ... side wall itself 142 ... sucker part 150 ... bending part 200 ... notch part 250 ... entrance 300: Tip wall A, B, C ... Notch K1, K2 ... Guide RW ... Reservoir RS ... Pressurized washing water

Claims (11)

[Claims] A first water discharging portion for discharging cleaning water for cleaning the bowl portion; a shelf provided on an upper portion of the bowl portion serving as a passage of the cleaning water from the first water discharging portion; and the bowl portion. And a shelf side portion above the shelf portion,
A flush toilet provided with a flush water passage comprising: a flush water flow adjusting means for adjusting a flow rate of flush water toward a bottom portion of the bowl portion in the flush water passage. 2. The flush toilet according to claim 1, wherein the flush water flow rate adjusting means is a vertical wall provided on the shelf. 3. The washing water flow rate adjusting means is a lateral wall provided on the side of the shelf.
The flush toilet described. 4. The flush toilet according to claim 1, wherein the flush water flow rate adjusting means is separate from the flush water passage. 5. The flush toilet according to claim 2, wherein the standing wall includes a guiding portion for guiding washing water toward a bottom portion of the bowl portion. 6. The upright wall is provided at an end of the shelf, provided with a plurality of notches, and the opening area of each notch is smaller on the upstream side in the washing water flow direction. 2
Or the flush toilet according to 4. 7. The bowl according to claim 1, wherein the first water discharge section is located on the right or left side behind the bowl section, the upright wall is at an end of the shelf section at a tip end of the bowl section, and a bottom section of the bowl section. The flush toilet according to claim 2 or 4, wherein the flush toilet is a tip standing wall for reducing an amount of water flowing toward the toilet. 8. The flush toilet according to claim 1, comprising a plurality of the flush water flow rate adjusting means. 9. The flush toilet according to claim 1, wherein the first water discharge section directly receives the pressure of a predetermined external pressurized water supply source. 10. The flush toilet according to claim 1, wherein there are a plurality of the first water spouting sections. 11. The washing water flow rate adjusting means is provided in a thin plate-like water splash preventing portion which is located above the washing water passage and prevents water splash. The flush toilet according to any one of to 4 to 10.