JP6376589B2 - Flush toilet - Google Patents

Description

  The present invention relates to a flush toilet.

  Patent Document 1 discloses a flush toilet that cleans the inside of a toilet bowl with cleaning water discharged from the rim spout to the rim water passage at the upper edge of the toilet bowl. In this flush toilet, as a means for improving the washing efficiency, a guide part is formed on the outer wall surface constituting the rim spout, and a part of the wash water discharged from the rim spout is sealed by this guide part. It is designed to turn to a downward flow toward the water.

JP 2013-170396 A

  In the flush toilet, the guide portion for turning the wash water to the sealing portion side is arranged at the rim water spouting port, and the diameter of the rim water spouting port is rapidly narrowed toward the downstream side (forward in the water discharging direction). In this way, it is inclined at an angle. For this reason, there is a risk that the flow rate of the cleaning water may be reduced or turbulent when passing through the rim spout. Since the decrease in flow rate and the disturbance of the flow cause the momentum of water discharged from the cleaning water to be attenuated, even if the cleaning water is guided to the sealed portion, the effect of improving the cleaning efficiency cannot be sufficiently expected.

  The present invention has been made in view of the above-described conventional situation, and an object to be solved is to improve the cleaning efficiency.

The flush toilet of the present invention is
Toilet bowl with rim water channel formed on the upper edge,
A rim spout formed at the upper edge of the toilet bowl and discharging wash water toward the rim water passage;
A sealing portion provided to communicate with the bottom of the toilet bowl,
A guide surface that is formed in the rim water passage and guides the wash water discharged from the rim water spouting port to flow down toward the sealing portion,
The guide surface is located behind the entrance of the sealed portion in the front-rear direction, and in the left-right direction, is disposed within the opening range of the entrance of the sealed portion ,
The cleaning water discharged from the rim water spouting port is guided by the guide surface toward the left rear portion of the inlet of the sealing portion .

  The guide surface is disposed downstream of the rim water spouting port in the flow direction of the cleaning water passing through the rim water spouting port. Therefore, the wash water that passes through the rim spout is discharged from the rim spout while maintaining a sufficient flow rate and momentum in a laminar flow without turbulent flow or a decrease in flow rate due to the guide surface. And guided to the sealed portion by the guide surface. Thus, according to the present invention, it is possible to improve the cleaning efficiency.

Plan sectional view of flush toilet of Example 1 Side sectional view of flush toilet Plan sectional view of flush toilet of Example 2 Side sectional view of flush toilet

  (1) In the flush toilet of the present invention, the center of the water storage part serving as the entrance to the sealed water part is disposed behind the center in the front-rear direction of the toilet bowl part in plan view, and the guide surface However, you may arrange | position behind the front-back direction center of the said toilet bowl part. According to this structure, since the guide surface is arrange | positioned in the position close | similar to a water storage part regarding the front-back direction, a wash water can be guide | induced to a sealing part effectively.

  (2) In the flush toilet according to the present invention, a second water discharge port that discharges wash water along the rim water passage is formed at the upper edge of the toilet bowl, and the second water discharge port. A part of the wash water discharged from the water may flow into the sealed portion while turning the inner surface of the toilet bowl. According to this configuration, since the function of cleaning the inner surface of the toilet bowl and the function of guiding the wash water swirling in the toilet bowl to the sealing part are shared by the second outlet and the rim outlet, Both functions can be exhibited at a high level.

  (3) In the flush toilet of the present invention, in (2), a part of the wash water discharged from the second water discharge port joins with the wash water discharged from the rim water discharge port, You may guide toward the said sealing part. According to this structure, the flow of the washing water toward the sealing portion can be enhanced by the guide surface.

<Example 1>
Embodiment 1 of the present invention will be described below with reference to FIGS. In the following description, regarding the front-rear direction, the lower side in FIG. 1 and the right side in FIG. 2 are defined as the front side. Moreover, regarding the left-right direction, the directions appearing in FIG. 1 are defined as the left side and the right side as they are.

  As shown in FIG. 2, the flush toilet A according to the first embodiment has a shape in which the upper surface is opened, and the inner surface is a substantially bowl-shaped bowl surface 11 for receiving filth (not shown). The toilet bowl part 10, the drainage channel 12, the sealing part 16, and the water supply part 17 are provided. The upper edge portion 23 of the toilet bowl 10 includes a first water outlet 31 (a rim water outlet described in claims), a second water outlet 32 (a second water outlet described in claims), and a rim passage. A water channel 33 and a guide surface 38 are formed.

<Drainage channel 12 and sealing portion 16>
The drainage channel 12 discharges the filth in the toilet bowl 10 together with the washing water (not shown), and the ascending path 14 connected to the water storage unit 13 that constitutes the lower end of the toilet bowl 10 and the rising A rearward flow path 15 connected to the downstream end (upper end) of the path 14 is provided. The backward flow path 15 is connected to a drain pipe (not shown) provided on the wall surface of the toilet. The sealed water part 16 is constituted by the ascending path 14 and the water storage part 13. The water reservoir 13 serves as an inlet of the water seal 16.

  The drainage channel 12 and the sealed water portion 16 are symmetrical, and are disposed in the center of the toilet bowl 10 in the left-right direction (width direction). Further, the inlet (water reservoir 13) of the sealed water portion 16 is disposed at a position biased rearward from the center of the toilet bowl portion 10 in the front-rear direction. In the state where the sealed water portion 16 is sealed, the wash water is stored in the stored water portion 13 and the ascending path 14 as the stored water. The filth received by the bowl surface 11 is discharged through the sealing portion 16 and the drainage channel 12 together with the washing water swirling or flowing down along the bowl surface 11.

<Water supply unit 17>
The water supply part 17 is for supplying washing water to the toilet bowl part 10, and is arranged adjacent to the rear of the upper surface part of the toilet bowl part 10. As shown in FIG. 1, the water supply portion 17 includes a rear space 18 formed so as to communicate with a water supply port (not shown), and a first water supply passage 19 </ b> R formed so as to extend obliquely right forward from the rear space 18. And a second water supply channel 19 </ b> L formed so as to extend obliquely left frontward from the rear space 18.

  The water supply unit 17 is provided with a distributor 20. The distributor 20 includes a base end portion 21, a first hose 22 </ b> R extending from the base end portion 21 obliquely to the right front in a cantilever manner, and a second hose extending from the base end portion 21 obliquely to the left front in a cantilever manner. The hose 22L is provided. The base end portion 21 is accommodated in the rear space 18 and connected to a water supply port provided above the rear space 18. The first hose 22R is accommodated in the first water supply channel 19R, and the second hose 22L is accommodated in the second water supply channel 19L. The washing water supplied from the water supply port to the base end portion 21 is branched into the first hose 22R and the second hose 22L and flows downstream (forward).

<Upper edge 23 of toilet bowl 10>
As shown in FIG. 1, the planar shape of the opening on the upper surface of the toilet bowl 10 is substantially oval with the long axis in the front-rear direction. The upper edge portion 23 (opening edge portion of the upper surface) of the toilet bowl portion 10 having a substantially oval shape includes a front edge portion 24 having a substantially semicircular arc shape, and a right edge portion extending rearward from the right end of the front edge portion 24. 25R and a left edge 25L extending rearward from the left end of the front edge 24. The upper edge 23 of the toilet bowl 10 is further positioned on the inner side of the right inner wall 26R extending in an arc from the rear end of the right edge 25R to the left rear and the rear end of the left edge 25L (rightward). A left inner wall portion 26L extending in an arc shape obliquely to the right and rear, and a rear inner wall portion 27 extending rightward from the rear end (right end) of the left inner wall portion 26L. The right end side portion of the rear inner wall portion 27 is disposed so as to face the rear end portion of the right inner wall portion 26R with a space from the rear.

<First spout 31>
In the right rear region of the upper edge 23 of the toilet bowl 10, a first water discharge channel 28R defined by the right edge 25R, the right inner wall 26R, and the right end portion of the rear inner wall 27 is formed. Yes. The planar shape of the first water discharge passage 28 </ b> R has a triangular shape that is pointed obliquely right forward. The right side portion at the rear end of the first water discharge path 28R is the upstream end of the first water discharge path 28R and is connected to the downstream end of the first water supply path 19R.

  The downstream end of the first hose 22R of the distributor 20 faces in the first water discharge path 28R. The left end portion at the rear end portion of the first water discharge passage 28R is a downstream end of the first water discharge passage 28R and serves as a first water discharge port 31 that opens toward the left (counterclockwise direction in plan view). Yes. The wash water supplied into the first water discharge passage 28R through the first hose 22R is discharged from the first water discharge port 31 to the left (the rim water passage 33).

<Second spout 32>
In the left rear region of the upper edge 23 of the toilet bowl 10, a second water discharge channel 28L defined by the rear end of the left edge 25L and the front end of the left inner wall 26L is formed. In plan view, the second water discharge passage 28L extends in the longitudinal direction. The rear end of the second water discharge passage 28L is an upstream end of the second water discharge passage 28L, and is connected to the downstream end of the second water supply passage 19L. In the second water discharge path 28L, the downstream end of the second hose 22L of the distributor 20 faces.

  The front end portion of the second water discharge path 28L is a downstream end of the second water discharge path 28L, and opens to the front (counterclockwise in the same plan view as the first water discharge port 31). It has become. The washing water supplied forward to the second water discharge passage 28L through the second hose 22L is discharged from the second water discharge port 32 to the front (rim water passage 33).

<Rim waterway 33>
A rim water passage 33 is formed on the upper edge portion 23 of the toilet bowl 10 so as to extend over the entire circumference. The rim water passage 33 includes a front edge channel 34 along the inner circumference of the front edge 24, a right edge channel 35R along the inner circumference of a region in front of the right inner wall 26R of the right edge 25R, The left edge flow path 35L along the inner periphery of the area in front of the left inner wall part 26L of the left edge 25L, the right rear edge flow path 36R along the inner periphery of the right inner wall part 26R, and the left inner wall part The left rear edge flow path 36L along the inner periphery of 26L, and the rear flow path 37 along the inner periphery of the left inner region 26R of the rear inner wall portion 27.

  A part of the washing water discharged from the first water discharge port 31 is a rear flow channel 37, a left rear edge flow channel 36L, a left edge flow channel 35L, a front edge flow channel 34, a right edge flow channel 35R, a right rear edge flow. The path sequentially passes through the path 36R, and turns in the counterclockwise direction in plan view. The washing water discharged from the second water discharge port 32 passes through the left edge flow path 35L, the front edge flow path 34, the right edge flow path 35R, the right rear edge flow path 36R, the rear flow path 37, and the left rear edge flow path 36L. The path passes in order and turns in a counterclockwise direction in the plan view (the same direction as the washing water discharged from the first water discharge port 31). Further, part of the cleaning water discharged from the second water discharge port 32 merges with the cleaning water discharged from the first water discharge port 31 and guided downward by a guide surface 38 described later.

<Guide surface 38>
Further, most of the washing water discharged from the first water discharge port 31 is guided to forcibly flow down toward the sealing portion 16. A guide surface 38 is formed in the rim water passage 33 as a means for guiding the cleaning water toward the sealing portion 16. The guide surface 38 is disposed so as to connect the rear end (right end) of the left inner wall portion 26 </ b> L and the left end of the rear inner wall portion 27. That is, the guide surface 38 is the first water outlet 31 in the flow direction of the cleaning water in the rim water passage 33 (that is, the downstream direction in the swirling direction of the cleaning water in the bowl surface 11 and the counterclockwise direction in plan view). It is arranged at a position relatively close to. In other words, the guide surface 38 is disposed at a position downstream of the first water discharge port 31 and upstream of the second water discharge port 32.

  In the plan view, the guide surface 38 is disposed at the center of the toilet bowl 10 in the left-right direction (width direction). Further, the guide surface 38 is arranged at a position deviated rearward from the rear end of the toilet bowl 10, that is, the center of the toilet bowl 10 in the front-rear direction. Further, in plan view, the guide surface 38 is connected to the rear inner wall portion 27 constituting the rim water passage 33 at an obtuse angle, and is also obtuse to the left inner wall portion 26L constituting the rim water passage 33. It is connected to. That is, the left end portion of the rear inner wall portion 27, the guide surface 38, and the rear end portion of the left inner wall portion 26L are connected in a step shape in plan view.

  This guide surface 38 faces diagonally right front rather than facing the first water outlet 31 from the front. In other words, the guide surface 38 is directed obliquely with respect to the direction in which the cleaning water is discharged from the first water outlet 31 in plan view. Moreover, the guide surface 38 is with respect to the front-rear direction line passing through the center of the toilet bowl 10 in the width direction (the straight line in the front-rear direction connecting the center of the toilet bowl 10 and the sealing portion 16 and the center of the guide surface 38). Also facing diagonally. This orientation setting is performed by setting a virtual ejection direction line (not shown) from the first water outlet 31 toward the center of the guide surface 38 in plan view, and the virtual ejection direction line is reflected by the guide surface 38. It means to go to the left rear part of the sealing part 16. That is, it means that when the cleaning water discharged from the first water discharge port 31 collides with the guide surface 38, the colliding cleaning water is guided toward the sealing portion 16.

  The first water discharge port 31 is opened in such a direction that the cleaning water collides toward the guide surface 38. Specifically, the left end portion of the rear inner wall portion 27 that constitutes the outer peripheral wall surface of the first water discharge port 31 is directly connected to the guide surface 38 at an obtuse angle, and therefore, along the rear inner wall portion 27. The cleaning water discharged in this manner reliably collides with the guide surface 38. Further, the left end portion (rear end portion) of the right inner wall portion 26 </ b> R constituting the inner peripheral wall surface of the first water discharge port 31 is oriented such that its extension line (tangent line) faces the guide surface 38. The cleaning water discharged along the right inner wall portion 26R also reliably collides with the guide surface 38.

<Operation and Effect of Example 1>
When washing the toilet bowl 10, a small amount of the washing water discharged from the first water outlet 31 and most of the washing water discharged from the second water outlet 32 toward the rim water passage 33. However, dirt is removed while turning in the bowl surface 11. Then, the swirling washing water passes through the sealing part 16 and the drainage channel 12 together with the removed filth, and is discharged out of the toilet bowl part 10.

  Further, most of the washing water discharged from the first water discharge port 31 to the rim water passage 33 immediately collides with the guide surface 38 and is guided to turn downward by the inclination of the guide surface 38, so that the sealing portion 16 The downward flow toward Further, a part of the cleaning water discharged from the second water discharge port 32 and swirling on the bowl surface 11 is joined with the cleaning water discharged from the first water discharge port 31 and guided downward by the guide surface 38. , The flow will be downward. Due to the downward washing water generated by the guide surface 38, the washing water and the filth swirling along the bowl surface 11 are forcibly guided into the sealed portion 16.

  As described above, the flush toilet A according to the first embodiment is a problem to be solved by improving the washing efficiency, and the toilet bowl portion in which the rim water passage 33 is formed in the upper edge portion 23. 10, a first water outlet 31 that is formed in the upper edge portion 23 of the toilet bowl 10 and discharges washing water toward the rim water passage 33, and a seal provided so as to communicate with the bottom of the toilet bowl 10. The water portion 16 and a guide surface 38 that is formed in the rim water passage 33 and guides the wash water discharged from the first water discharge port 31 to flow toward the sealing portion 16 are configured.

  The guide surface 38 is disposed on the downstream side of the first water discharge port 31 in the flow direction of the washing water passing through the first water discharge port 31. Therefore, the cleaning water passing through the first water discharge port 31 does not become turbulent or decrease in flow rate due to the guide surface 38, and remains in a laminar flow while maintaining a sufficient flow rate and momentum. The water is discharged from the water discharge port 31 and guided to the sealing portion 16 by the guide surface 38. Thus, according to the first embodiment, it is possible to improve the cleaning efficiency.

  Further, in the flush toilet A, the center of the water reservoir 13 serving as the entrance to the sealed portion 16 is disposed behind the center of the toilet bowl 10 in the front-rear direction in plan view. Therefore, the guide surface 38 is also arranged behind the center of the toilet bowl 10 in the front-rear direction, similarly to the entrance of the sealing part 16. According to this configuration, since the guide surface 38 is disposed at a position near the entrance of the sealed portion 16 with respect to the front-rear direction, the cleaning water can be effectively guided to the sealed portion 16.

  Further, in the flush toilet A, a second water discharge port 32 that discharges wash water along the rim water passage 33 is formed in the upper edge portion 23 of the toilet bowl 10. A part of the washing water discharged from the second water discharge port 32 flows into the sealed portion 16 while turning the inner surface of the toilet bowl 10. According to this structure, the function which wash | cleans the inner surface of the toilet bowl part 10, and the function which guides the wash water which turns in the toilet bowl part 10 to the sealing part 16 are the 2nd water discharge port 32 and the 1st water discharge port. Therefore, both functions can be exhibited at a high level.

  Further, the flush toilet A is configured such that a part of the wash water discharged from the second water discharge port 32 is discharged from the first water discharge port 31 and guided downward by the guide surface 38 and the bowl surface 11. In this case, the water is guided downward toward the sealing portion 16. Therefore, compared with the case where the wash water discharged from the second water discharge port 32 does not merge with the wash water discharged from the first water discharge port 31, the flow of the wash water toward the sealing portion 16 by the guide surface 38 is enhanced. Is done.

<Example 2>
Next, a second embodiment of the present invention will be described with reference to FIGS. In the flush toilet B of the second embodiment, the drainage channel 40 and the guide surface 47 are configured differently from the first embodiment. Since the other configuration is the same as that of the first embodiment, the same reference numeral is given to the same configuration, and the description of the structure, operation, and effect is omitted.

  As shown in FIG. 4, the drainage channel 40 according to the second embodiment includes an ascending channel 42 that is continuous with the water storage unit 41 that constitutes the lower end of the toilet bowl 10, and a descent that is connected with the downstream end (upper end) of the ascending channel 42. And a path 43. The descending path 43 is connected to a drain pipe (not shown) provided on the floor of the toilet.

  As shown in FIG. 3, the position of the rear end (left end) of the right inner wall portion 44 </ b> R is set to the right (front) position relative to the left end (rear end) of the right inner wall portion 36 </ b> R of the first embodiment. Therefore, the first water outlet 45 (the rim water outlet described in the claims) disposed at the left end of the right inner wall portion 44R is disposed at a position shifted to the right from the first water outlet 31 of the first embodiment. Yes.

  The position of the rear end (right end) of the left inner wall portion 44L is set to a position ahead (leftward) from the rear end (right end) of the left inner wall portion 26L of the first embodiment. The position of the left end of the rear inner wall portion 46 is set to a position to the left of the left end of the rear inner wall portion 27 of the first embodiment. Therefore, the guide surface 47 arranged so as to connect the rear end (right end) of the left inner wall portion 44L and the left end of the rear inner wall portion 46 is a central portion in the left-right direction (width direction) of the toilet bowl 10 in a plan view. It is arrange | positioned in the position which deviated to the left (direction which leaves | separates from the 1st water discharge port 45) from. In other words, the guide surface 47 is disposed at a position offset from the central portion in the left-right direction of the toilet bowl 10 toward the downstream side in the swirling direction of the wash water (forward in the wash water discharge direction from the first water discharge port 45). .

  In plan view, the guide surface 47 is connected to the rim water passage 33 at a substantially right angle with respect to the rear inner wall portion 46 constituting the upstream region in the turning direction with respect to the guide surface 47. In plan view, the guide surface 47 is connected with an obtuse angle with respect to the rear end portion of the left inner wall portion 44 </ b> L that configures the downstream side region in the turning direction of the rim water passage 33 relative to the guide surface 47. That is, in the plan view, the guide surface 47 is oriented so as to be substantially parallel to the front-rear direction line passing through the center of the toilet bowl 10 in the width direction. The setting of this direction is such that the guide surface 47 is oriented substantially perpendicular to the discharge direction of the cleaning water from the first water discharge port 45, and at the same time, the center of the inlet (water storage part 41) of the sealed water part 16 And a straight line (not shown) connecting the guide surface 47 and the center of the guide surface 47 is oblique.

  The flush toilet B of the second embodiment is formed in the toilet bowl 10 having the rim water passage 33 formed on the upper edge and the upper edge 23 of the toilet bowl 10 and is washed toward the rim water passage. Wash water discharged from the first water outlet 45, formed in the first water outlet 45 for discharging water, the sealing part 16 provided to communicate with the bottom of the toilet bowl 10, and the rim water passage 33. And a guide surface 47 that guides the water to flow toward the sealed water portion 16.

  Also in the flush toilet B of the second embodiment, the guide surface 47 is arranged downstream of the first water outlet 45 in the flow direction of the washing water passing through the first water outlet 45 as in the first embodiment. Has been. Therefore, the cleaning water passing through the first water discharge port 45 does not become turbulent or decrease in flow rate due to the guide surface 47, and remains in a laminar flow with the sufficient flow rate and momentum maintained in the first state. The water is discharged from the water discharge port 45 and guided to the sealing portion 16 by the guide surface 47. Thus, according to the second embodiment, it is possible to improve the cleaning efficiency.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the first embodiment, in the plan view, the guide surface and the wall surface constituting the rim water passage are connected in an obtuse angle, but the wall surface constituting the guide surface and the rim water passage is a curved surface. It may be continuously smooth or may be continuous at a substantially right angle.
(2) In the second embodiment, the guide surface and the wall surface constituting the upstream region of the rim water passage in the plan view are configured to be connected at substantially right angles, but the guide surface and the rim The wall surface constituting the upstream region of the water passage in the water passage may be smoothly continuous in a curved surface shape, or may be connected in an obtuse angle shape.
(3) In the second embodiment, the guide surface and the wall surface constituting the downstream region of the rim water passage in the plan view are formed in an obtuse shape, but the guide surface and the rim The wall surface constituting the downstream area of the guide channel in the water passage may be smoothly continuous in a curved surface shape, or may be continuous at a substantially right angle.
(4) In the first and second embodiments, the guide surface is inclined with respect to a straight line connecting the center of the sealed portion and the center of the guide surface in plan view. It may be directed substantially parallel to a straight line connecting the center and the center of the guide surface.
(5) In the first embodiment, in the plan view, the guide surface is inclined with respect to the front-rear direction line passing through the center of the toilet bowl in the width direction. It may be directed substantially parallel to the front-rear direction line.
(6) In the second embodiment, the guide surface is oriented substantially parallel to the front-rear direction line passing through the center of the toilet bowl in the width direction in plan view. It may be directed obliquely with respect to the front-rear direction line.
(7) In Example 1 described above, the guide surface is arranged at the center in the width direction of the toilet bowl, but the guide surface is leftward from the center in the width direction of the toilet bowl (in the direction away from the rim spout). ) Or right side (direction approaching the rim spout) may be arranged at a position offset.
(8) In Example 2 described above, the guide surface is arranged at a position offset from the center in the width direction of the toilet bowl to the left (in the direction away from the rim water spouting port). You may arrange | position to the position which shifted | deviated from the center part in the width direction to the right (direction approaching a rim spout), and may arrange | position to the center part in the width direction of a toilet bowl part.
(9) In the first and second embodiments, a part of the wash water discharged from the second water discharge port (second water discharge port) is washed with the wash water and the bowl discharged from the rim water discharge port (first water discharge port). Although it was made to merge on a surface, the whole wash water discharged from the 2nd water discharge port (2nd water discharge port) does not merge with the wash water discharged from the rim water discharge port (1st water discharge port) Alternatively, it may flow out to the sealed water portion.
(10) In the first and second embodiments, in addition to the rim spout (first spout), a second spout (second second) for discharging wash water that is washed while turning the inner surface of the toilet bowl. The water outlet) is provided, but only one water outlet is provided, and the wash water discharged from this water outlet is largely divided into two, and one flow is washed while swirling the inner surface of the toilet bowl, The other flow may contact the guide surface and be guided toward the sealed portion.
(11) In the first and second embodiments, the number of rim spouts (first spouts) for discharging the cleaning water toward the guide surface is one, but a plurality of rim spouts are provided, and each rim spout is provided. A plurality of guide surfaces may be provided so as to correspond to the above.
(12) In the first and second embodiments, the number of the second water outlets (second water outlets) is one, but a plurality of second water outlets may be provided.

A ... Flush toilet B ... Flush toilet 10 ... Toilet bowl 13 ... Reservoir (entrance of sealed water)
16 ... Sealing part 23 ... Upper edge part of toilet bowl part 31 ... 1st water outlet (rim water outlet)
32 ... 2nd water outlet (2nd water outlet)
33 ... Rim passage 38 ... Guide surface 41 ... Water storage part (entrance of sealed part)
45 ... 1st water outlet (rim water outlet)
47 ... Guide surface

Claims (4)

Toilet bowl with rim water channel formed on the upper edge,
A rim spout formed at the upper edge of the toilet bowl and discharging wash water toward the rim water passage;
A sealing portion provided to communicate with the bottom of the toilet bowl,
A guide surface that is formed in the rim water passage and guides the wash water discharged from the rim water spouting port to flow down toward the sealing portion,
The guide surface is located behind the entrance of the sealed portion in the front-rear direction, and in the left-right direction, is disposed within the opening range of the entrance of the sealed portion ,
The flush toilet according to claim 1, wherein the flush water discharged from the rim water spouting port is guided toward the left rear portion of the entrance of the sealing portion by the guide surface . In plan view, the center of the water storage part that serves as the entrance of the sealed water part is disposed behind the center of the toilet bowl in the front-rear direction,
The flush toilet according to claim 1, wherein the guide surface is arranged behind the center of the toilet bowl in the front-rear direction. A second spout is formed at the upper edge of the toilet bowl to discharge the wash water along the rim water passage,
The part of the wash water discharged from the second water outlet is configured to flow into the sealed portion while turning the inner surface of the toilet bowl. 2. A flush toilet according to 2.   A part of the wash water discharged from the second water discharge port is guided toward the sealing portion by joining with the wash water discharged from the rim water discharge port. The flush toilet according to claim 3 characterized by the above-mentioned.

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