JPH11140948A - Siphon type stool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To discharge filth surely by a small quantity of flushing water without lowering the flaw speed of flushing water. SOLUTION: A flushing-water supply passage 1 consists of a linear section 3, a curved section 4 and a communicating section 5 communicating with these linear section 3 and curved section 4, and a water supply hole 6 connected to a flush valve and a tank is bored at the upstream end of the linear section 3. The curved section 4, into which flushing water from the linear section 3 is flowed through the communicating section 5 bypasses a drain inlet 10 opened to a bowl surface 9, and folded back in a front section from the drain inlet 10 and coupled with a jet spout 11. Structure, in which the bending angle of a flow path from the linear section 3 to the communicating section 5 reaches an obtuse angle and no large resistance is generated in the flow of flushing water, is formed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a siphon-type toilet in which washing water discharged from a jet discharge port is sent to a drainage inlet provided with a trap.

[0002]

2. Description of the Related Art FIG. 14 is a plan view of a conventional toilet, and FIG. 15 is a vertical sectional view of the conventional toilet shown in FIG. 102 are formed, and the washing water supply passage 101 is
03, a curved portion 104, and a communication hole 105 connecting the straight portion 103 and the curved portion 104.
02 has a trap portion 106 formed therein.

[0003] At the upstream end of the straight portion 103, a water supply hole 107 connected to a flush valve and a tank is opened.
The curved portion 104 has a drain port 109 opened to the ball portion 108.
Is turned around so that it goes around
As a result, an opening 111 is opened in the reservoir, and an entrance 111 of the drainage channel 102 is opened at a position facing the jet discharge port 110.

FIG. 16 is a plan view of another conventional toilet bowl, and FIG.
FIG. 17 is a longitudinal sectional view of the conventional toilet shown in FIG. 16. In this conventional example, communication holes 113 are formed on both sides of a rim water passage 112, and a water passage 114 is directed from the communication holes 113 toward the center of the toilet. A water discharge port 110 is formed at the junction of these water conduits 114.

[0005]

In the above-mentioned conventional siphon type toilet, the flow rate of the washing water is reduced because the shape of the washing water supply passage is such that the flow of the washing water is resistance. However, a small amount of washing water cannot reliably wash away dirt.

Specifically, in the conventional siphon type toilet shown in FIGS. 14 and 15, the inflow from the straight portion 103 to the curved portion 104 is turned 90 ° at the communication hole 105, In addition, it is about 180 ° just before the jet outlet 110.
Since the direction is changed, the flow rate of the washing water is greatly reduced.

Further, in the conventional siphon type toilet shown in FIGS. 16 and 17, when entering the rim water passage 112 from the straight portion 103, it collides with the wall surface at right angles, and furthermore, the rim water passage 112 When flowing into the water conduit 114 through the hole 103, the direction is turned downward by 90 °, and at the junction of the water conduit 114, the cleaning water collides from the left and right, so that the flow velocity of the cleaning water is significantly reduced. .

Further, in the conventional siphon type toilet, a part of the bottom surface of the straight portion 103 immediately below the water supply hole 107 is inclined backward, so that a part of the washing introduced from the water supply hole 107 is provided. Does not move forward, where the flow velocity is reduced.

[0009]

Means for Solving the Problems In order to solve the above-mentioned problems, a siphon-type toilet according to claim 1 has a structure in which washing water flowing into a drainage channel from a jet discharge port during washing does not flow back into a reservoir. With such a configuration, the flow of the washing water involved does not flow back to the reservoir, so that wastewater and waste can be discharged with a small amount of water.

Further, in the siphon type toilet according to the second aspect, the washing water discharged from the jet discharge port toward the drainage channel forms a swirling flow involving the suspended dirt. With such a configuration, the straight-moving force of the discharged water flow is not attenuated, and the suspended dirt is sucked and transported into the trap drainage channel is reliably performed.

According to a third aspect of the present invention, there is provided a siphon-type toilet having a flush water supply passage, a straight portion having an upstream end connected to a water supply hole, a curved portion having a downstream end connected to a jet water outlet, and a curved portion formed by the straight portion. And a communication part that communicates with the part, and the shape of the communication part is a shape that does not reduce the flow rate of the washing water. With this configuration, wastewater and
Waste can be discharged.

Further, in the siphon-type toilet according to the fourth aspect, the shape immediately below the water supply hole of the straight portion constituting the flush water supply passage is an inclined surface facing the downstream side. With such a configuration, the resistance to the flow of the cleaning water is reduced.

According to a fifth aspect of the present invention, there is provided a siphon-type toilet according to the third or fourth aspect, wherein the connecting portion has a shape that bypasses a drain port on a ball surface in plan view. I made it. With such a configuration, the cleaning water smoothly reaches the jet water outlet.

According to a sixth aspect of the present invention, in the siphon type toilet according to the fifth aspect, the refraction angle of the flow path from the straight portion to the connecting portion is obtuse. With such a configuration, the resistance to the flow of the cleaning water is reduced as in the above case.

According to a seventh aspect of the present invention, in the siphon-type toilet according to the sixth aspect, the angle of refraction of the bypass portion of the bypass portion of the connecting portion is smaller than the angle of refraction of the inside of the passage. I made it. With such a configuration, the resistance to the flow of the cleaning water is reduced as in the above case.

The siphon-type toilet according to claim 8 is the siphon-type toilet according to claim 1 or 2, wherein the wash water discharged from the jet discharge port is radially discharged toward a drain. The structure is to be. With such a configuration, the washing water from the jet discharge port radially spreads and flows over the entire entrance of the drainage channel, so that the washing water caught in the drainage channel does not flow backward.

According to a ninth aspect of the present invention, there is provided a siphon-type toilet according to the first or second aspect, wherein the jet water outlet is provided in one of right and left directions with respect to a central axis of the toilet. Deviated. With such a configuration, when forming the cleaning water supply passage near the jet discharge port, the radius of curvature can be increased, the flow velocity of the cleaning water is hardly attenuated, and the uniform flow velocity is maintained quickly. Since the water is discharged from the jet outlet, the force for pushing the cleaning water into the trap is increased, and the cleaning effect is improved.

According to a tenth aspect of the present invention, in the siphon type toilet according to the first or second aspect, the flow direction of the water discharge is horizontal downward. Since the jet discharge from the jet, which is stronger than horizontal, is discharged toward the entrance of the drainage channel, an ejector effect is obtained.
Soil can be strongly suctioned.

[0019] In the siphon-type toilet according to the eleventh aspect, in the siphon-type toilet according to the tenth aspect, the water discharge flow is directed to a substantially central portion of the entrance of the drainage channel. With such a configuration, the ejector effect can be easily obtained as described above.

A siphon-type toilet according to a twelfth aspect of the present invention is the siphon-type toilet according to the tenth aspect, wherein a horizontal step portion is provided at a ball bottom formed continuously from an outlet of the jet water outlet. did. With such a configuration, the horizontally downward washing water from the jet discharge port collides with the horizontal step portion, is slightly decelerated, and is turned substantially in the horizontal direction. The washing water flows in a radial direction so as to substantially obstruct the water, so that the return of the waste and the wastewater at the entrance of the drainage channel (backflow to the reservoir) can be prevented. In addition, even after the occurrence of the siphon action, even when the water level in the ball drops, the jetted water jets block the entrance of the drainage channel, so that the intrusion of air from the entrance of the drainage channel is prevented, and the siphon action is maintained. Therefore, waste and wastewater can be completely discharged with a small amount of water washing, and the performance of discharging suspended waste and the like is improved.

According to a thirteenth aspect of the present invention, there is provided a siphon-type toilet according to any one of the first, second, and ninth to twelfth aspects, wherein the drainage passage below the water discharge flow. The bottom surface of the flow channel leading to the inlet was horizontal downward. With this configuration, the amount of retained sewage is reduced, and the flow rate of the discharged water at the trap entrance is not easily reduced, so that the sewage is reliably discharged.

According to a fourteenth aspect of the present invention, there is provided the siphon type toilet according to the second aspect, wherein the swirling flow generating means for generating the swirling flow of the spouting water is provided upstream of the jet discharge port. Have been. When provided on the upstream side, it becomes easy to control the water discharge direction of the swirling flow.

According to a fifteenth aspect of the present invention, in the siphonic toilet according to the second aspect, a swirl flow generating means for generating a swirl flow of the water discharge flow is provided in the vicinity of the jet discharge port. With such a configuration, it is easy to arrange the swirling flow generating means, and the swirling flow can be generated without reducing the momentum.

A siphon-type toilet according to a sixteenth aspect is the siphon-type toilet according to the second aspect, wherein a water flow is generated from an upper layer to a lower layer immediately downstream of the swirling flow generating means. did. With such a configuration, a swirling flow can be easily generated.

In the siphon-type toilet according to the seventeenth aspect, in the siphon-type toilet according to the second aspect, a pressure difference is generated between an upper layer side and a lower layer side immediately downstream of the swirling flow generating means, The flow velocity distribution on the low pressure side or the hydrostatic pressure distribution on the high pressure side was biased in the left-right direction. With such a configuration, a swirling flow can be easily generated as described above.

The siphon-type toilet according to claim 18 is the siphon-type toilet according to claim 17, wherein the left-right direction in which the flow velocity on the low pressure side is large and the left-right direction in which the high hydrostatic pressure on the high side is high. It was in a different direction. With such a configuration, a swirling flow can be easily generated as described above.

[0027] Further, a siphon-type toilet according to a nineteenth aspect is configured such that in the siphon-type toilet according to any one of the fourteenth to eighteenth aspects, the swirling flow generating means is formed at one place. By forming the spout at one place, the pressure loss of the spout is reduced, the flow state of the spout is stabilized, and the momentum of the spout is hardly attenuated.

The siphon-type toilet according to claim 20 is the siphon-type toilet according to claim 15, wherein the jet water outlet of the jet water outlet provided with the swirl flow generating means has a lower sectional area than that of the upper side. The side is large, and the upper area is different from the lower area in the left-right direction. With such a configuration, a swirling flow can be easily generated as described above.

[0029] In the siphon-type toilet according to the twenty-first aspect, in the siphon-type toilet according to the twentieth aspect, the swirling flow generating means is provided in the vicinity including the upper corner of the jet discharge port. did. With such a configuration, a swirling flow can be easily generated as described above.

A siphon toilet according to a twenty-second aspect is characterized in that, in the siphon toilet according to any one of the fourteenth to twenty-first aspects, the swirling flow generating means is provided detachably. did. Such a configuration is convenient for repair or the like.

The siphon toilet according to the twenty-third aspect of the present invention is the siphon toilet according to the first or the second aspect, further comprising an auxiliary jet flow spouting means. With such a configuration, it is possible to reliably prevent the washing water from returning to the reservoir.

In the siphon type toilet according to the twenty-fourth aspect, in the siphon type toilet according to the twenty-third aspect, the auxiliary jet flow spouting means is provided at a position upstream of the jet spout from the washing water supply passage. It was made to be the auxiliary jet outlet. With such a configuration, it is not necessary to separately provide a washing water supply passage from the washing water supply source to the auxiliary jet outlet, so that the structure of the toilet is simplified.

The siphon-type toilet according to the twenty-fifth aspect is the siphon-type toilet according to the twenty-fourth aspect, wherein an auxiliary jet outlet for discharging water in the direction of the trap rising pipe is provided near the entrance of the drainage channel. With such a configuration, it is possible to reliably prevent the return of the washing water to the reservoir, as described above.

According to a siphon-type toilet according to a twenty-sixth aspect, in the siphon-type toilet according to the twenty-fourth aspect, the auxiliary jet outlet is deviated to one of left and right directions with respect to the central axis of the toilet. It was provided near the entrance of the drainage channel on the opposite side to the jet discharge port provided above. With such a configuration, it is possible to reliably prevent the return of the washing water to the reservoir, as described above.

The siphon-type toilet according to any one of claims 1 to 26, wherein the height of the drain outlet core from the floor surface is 120 mm or more and the total flow rate of washing water is 8 liters or the height. It is conceivable to have a washing capacity of 155 mm or more and a total flow rate of washing water of 10 liters.

The total flow rate of the flush water of the toilet is, for example, 155 m above the floor of the core of the drain port with respect to the total flow rate of the wash water of 120 mm from the floor surface of the drain port.
m so that the ratio of the total flow rate of the washing water is 125%.

[0037]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a plan view of a siphon-type toilet according to the present invention, and FIG. 2 is a longitudinal sectional view of the toilet shown in FIG. 1. In this embodiment, like the conventional siphon-type toilet, the toilet is cleaned. A water supply passage 1 and a drain passage 2 are formed.

The washing water supply passage 1 has a straight portion 3
It comprises a curved portion 4 and a connecting portion 5 for connecting the straight portion 3 and the curved portion 4. A water supply hole 6 connected to a flash valve and a tank is opened at an upstream end of the straight portion 3. The bottom surface 3a of the straight portion 3 immediately below the water supply hole 6 is an inclined surface facing forward, so that the washing water introduced from the water supply hole 6 easily flows to the connecting portion 5 along the straight portion 3. Has become.

Further, a rim water passage 7 is formed at the upper peripheral edge of the toilet bowl, and flush water flows down from the water discharge hole 8 formed in the rim water passage 7 toward the ball surface 9. In the toilet according to the present embodiment, the washing water from the water discharge hole 8 has a structure in which a swirling flow is generated in the reservoir and the dirt floating near the center of the reservoir is collected. I have.

The curved portion 4 into which the washing water flows from the straight portion 3 through the connecting portion 5 bypasses the drain port 10 opened on the ball surface 9 and is folded back at a portion forward of the drain port 10. It is connected to Z water outlet 11. Here, the refraction angle of the flow path from the linear portion 3 to the connecting portion 5 is an obtuse angle, so that there is no large resistance to the flow of the washing water.

The jet water outlet 11 is opened in the water reservoir of the toilet, and a drain passage inlet 12 is opened at a position facing the water jet port 11. This drainage entrance 1
2 is opened at a position lower than the jet discharge port 11, a trap 13 is formed in the drainage channel 2 following the drainage channel inlet 12, and a drainage downcomer 14 is provided downstream of the trap 13. .

A shelf 15 and a throttle unit 16 are provided in the middle of the drainage downcomer 14, and another shelf 17 and a throttle unit 18 are further provided downstream thereof. And when draining,
The washing water overflowing from the weir of the trap 13 is supplied to the shelf 15,
At 17, a water seal is formed in the space formed by the constricted portions 16 and 18 to induce a siphon action. By this siphon action, the dirt in the reservoir is discharged without fail.

FIG. 3 is a plan view of a siphon-type toilet according to another embodiment. In this embodiment, a connecting portion 5 is formed by expanding a partition 3b constituting a straight portion 3 forward.
And is continuous without any step. With such a configuration, the speed of the washing water is not reduced, and the inside of the drainage channel 2 is quickly filled with the washing water from the jet discharge port 11, so that the start of the siphon action can be hastened.

FIG. 4 is a plan view of a siphon-type toilet according to another embodiment, and FIG. 5 is a longitudinal sectional view of the siphon-type toilet shown in FIG. 4. The same reference numerals are used for the same parts as in the previous embodiment. The description is omitted here.

The siphon toilet according to this embodiment is of a floor drainage type, and this type of toilet has a small siphon power and therefore a small force to suck dirt into the drain 13. The water outlet 11 is directed downward toward the drainage inlet 12 and the bottom surface from the jet water outlet 11 to the drainage inlet 12 is formed as a continuous inclined surface. The washing water flows in smoothly, and the waste can be pushed into the drainage channel 13 and discharged by the strong jet water discharge.
In addition, it is needless to say that the above configuration can be applied to siphon toilets other than the floor drain type.

Further, in this embodiment, a throttle portion 20 is formed in the rim water passage 7. By forming the throttle portion 20, the amount of wash water flowing down from the water outlet hole 8 of the rim water passage 7 toward the ball surface 9 is limited, and instead, the amount of water discharged from the jet water outlet 11 increases, Waste can be discharged with a small amount of water as a whole.

FIG. 6 is a plan view of a siphon type toilet according to another embodiment, FIG. 7 is a longitudinal sectional view of the toilet shown in FIG. 6, and FIG.
9 is an enlarged view of a main part of the toilet shown in FIG. 9, and FIG. 9 is a view showing a shape of a jet outlet of the toilet shown in FIG.

In this embodiment, the jet water outlet 11
Is offset to the left or right with respect to the center line of the toilet, and the curved portion 4 is arranged on the side opposite to the offset side. With such a configuration, the bending portion 4
Can be increased, and a decrease in the flow rate of the cleaning water in the curved portion 4 can be suppressed.

In particular, in this embodiment, as shown in FIG. 9, a part of the upper half of the jet water outlet 11 from the center line of the toilet is covered with a wall 21. With such a configuration, the lower half 1 of the jet water outlet 11 is formed.
Although the cleaning water discharged from 1a tends to be discharged straight as shown by the arrow a in FIG. 8, the cleaning water discharged from the upper half portion 11b of the jet water outlet 11 collides with the inside of the wall 21. The direction can be changed as shown by the arrow b of 8,
The whole washing water flows into the drainage inlet 12 while rolling in the traveling direction.

FIG. 10 shows a toilet bowl according to a comparative example.
FIG. 11 is a view similar to FIG. 9 of a toilet according to a comparative example, and this comparative example is also included in the scope of the present invention, but the structure in which the wall 21 is not provided in the jet water outlet 11 It is. In the toilet bowls shown in FIGS. 10 and 11, since the discharge speed from the jet water outlet 11 is higher than before, the siphon effect can be expected, but as described above, the discharge flow from the jet water outlet 11 is straight. Because it ’s just something
There is a disadvantage that a dead space is easily formed. Therefore, it can be said that the embodiment shown in FIGS. 6 to 9 which has an advantage of not forming a dead space is more advantageous.

It should be noted that the jet water outlet 11 is
If it is detachable including 1, it is convenient for replacement and cleaning. Further, a structure for obtaining an optimal swirling flow for each toilet can be realized.

FIG. 12 is a view similar to FIG. 8 showing another embodiment. In this embodiment, the washing water is discharged toward the inside of the rising pipe of the drainage channel 2 upstream of the jet water outlet 11. An auxiliary jet outlet 22 is provided. With such a configuration, the dead space is forcibly removed from the drainage channel 2.
Of the washing water can be reliably prevented from returning to the reservoir.

FIG. 13 is a longitudinal sectional view of a siphon type toilet showing another embodiment, and in this embodiment, FIGS.
Similarly to the embodiment shown in FIG. 0, the position of the jet water outlet 11 is offset to the left or right with respect to the center line of the toilet, and the bottom of the ball surface 9 continuously formed from the outlet of the water jet outlet 11. A horizontal step portion 9a is formed in the horizontal step portion 9a.
And a slight deceleration upon collision.

In such a configuration, the washing water is turned in the horizontal direction, and is directed in the direction of the drainage channel. The washing water spreads in the left-right direction so as to substantially block the drainage channel inlet and flows radially into the drainage channel. Return of sewage and sewage (backflow to the ponds) can be prevented, and even when the water level in the ball drops after the siphon action has occurred, the water discharged from the Zet blocks the entrance of the drainage channel Intrusion of air from the road entrance is prevented, and the siphon action is maintained. Therefore, waste and wastewater can be completely discharged with a small amount of water washing,
The discharge performance of suspended dirt and the like is improved.

[0055]

As described above, according to the siphon type toilet according to the present invention, the shape of the flush water supply passage formed in the toilet is such that the resistance to the flow of flush water is minimized. And the washing effect can be obtained with a small amount of water. Further, according to the siphon toilet of the present invention, since the flush water does not flow back to the reservoir, waste water and waste can be discharged with a small amount of water, and a high water saving effect can be expected. Further, according to the siphon-type toilet of the present invention, the rectilinear force of the discharged water flow flowing into the trap while generating a swirling flow is not attenuated, and the floating waste around the discharged water flow is sucked and transported into the trap drain passage. It is done reliably.

[Brief description of the drawings]

FIG. 1 is a plan view of a siphon type toilet according to the present invention.

FIG. 2 is a longitudinal sectional view of the toilet shown in FIG.

FIG. 3 is a plan view of a siphon type toilet according to another embodiment.

FIG. 4 is a plan view of a siphon type toilet according to another embodiment.

5 is a longitudinal sectional view of the siphon type toilet shown in FIG.

FIG. 6 is a plan view of a siphon type toilet according to another embodiment.

FIG. 7 is a longitudinal sectional view of the toilet shown in FIG. 6;

FIG. 8 is an enlarged view of a main part of the toilet shown in FIG. 6;

FIG. 9 is a view showing a shape of a jet water outlet of the toilet shown in FIG. 6;

FIG. 10 is a view similar to FIG. 8, showing a toilet according to a comparative example.

FIG. 11 is a view similar to FIG. 9 of a toilet according to a comparative example.

FIG. 12 is a view similar to FIG. 8, showing another embodiment.

FIG. 13 is a longitudinal sectional view showing another embodiment.

FIG. 14 is a plan view of a conventional toilet bowl.

15 is a longitudinal sectional view of the conventional toilet shown in FIG.

FIG. 16 is a plan view of a conventional toilet bowl.

17 is a longitudinal sectional view of the conventional toilet shown in FIG. 16;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Washing water supply passage, 2 ... Drainage passage, 3 ... Line portion of washing water supply passage, 3a ... Bottom of straight line portion, 3b, 5a ... Partition wall, 4
... A curved portion of the cleaning water supply passage, 5 a communication portion of the cleaning water supply passage, 6 a water supply hole, 7 a rim water passage, 8 a rim water outlet hole,
9: ball surface, 9a: horizontal step portion, 10: drain port, 11 ...
Z water outlet, 12 ... entrance of drainage channel, 13 ... trap, 1
4: drainage downcomer, 15, 17: shelf, 16, 18: throttle, 20: throttle, 21: wall, 22: auxiliary jet outlet.

Claims (28)

[Claims] 1. A siphon-type toilet in which a drainage channel inlet and a jet water outlet for discharging washing water toward the drainage channel opening are opposed to each other in a reservoir, and the siphonic toilet is set at the time of cleaning. A siphon-type toilet having a structure in which flush water flowing into a drainage channel from a spout does not flow back into a reservoir. 2. A siphon type toilet in which a drainage channel inlet and a jet water outlet for discharging washing water toward the drainage channel opening are opposed to each other in the reservoir, and wherein the jet water outlet is connected to the jet water outlet. The washing water discharged toward the siphon forms a swirling flow involving floating dirt. 3. A siphon-type toilet having a drainage channel inlet and a jet water outlet for discharging cleaning water toward the drainage channel opening facing each other in the reservoir, wherein the cleaning water supply for the siphonic toilet is performed. The passage is composed of a straight portion having an upstream end connected to the water supply hole, a curved portion having a downstream end connected to the jet outlet, and a communication portion connecting the straight portion and the curved portion. A siphon-type toilet characterized by a shape that does not reduce the flow rate of water. 4. A siphon-type toilet in which a drainage channel inlet and a jet water outlet for discharging cleaning water toward the drainage channel opening are opposed to each other and open in the reservoir section. A siphon-type toilet, wherein the passage has a straight portion having an upstream end connected to the water supply hole, and a shape of the straight portion immediately below the water supply hole is an inclined surface facing downstream. 5. The siphon-type toilet according to claim 3, wherein the connecting portion has a shape that bypasses a drain port on a ball surface in plan view. 6. The siphon-type toilet according to claim 5, wherein the flow path from the straight portion to the connecting portion is bent and the refraction angle is obtuse. 7. The siphon-type toilet according to claim 6, wherein a refraction angle of a detour portion of the connecting portion outside the passage is smaller than a refraction angle of the inside of the passage. 8. The siphon-type toilet according to claim 1, wherein the flush water discharged from the jet outlet is radially discharged toward a drainage channel. A siphon type toilet. 9. The siphon-type toilet according to claim 1, wherein the jet outlet is provided so as to be deviated in one of left and right directions with respect to a central axis of the toilet. And a siphon-type toilet. 10. The siphon-type toilet according to claim 1, wherein a flow direction of the washing water is horizontally downward toward an inlet of a drain at an upstream side of the jet outlet of the jet. A siphon type toilet. 11. The siphon-type toilet according to claim 10, wherein the water discharge is directed to a substantially central portion of a drainage entrance. 12. The siphon type toilet according to claim 10, wherein a horizontal step portion is provided at a ball bottom portion formed continuously from an outlet of the jet discharge port. 13. A siphon-type toilet according to claim 1, wherein
A siphon-type toilet, wherein a bottom surface of a flow path reaching a drainage inlet below the water discharge flow is horizontally downward. 14. The siphon type toilet according to claim 2, wherein the swirling flow generating means for generating the swirling flow of the water discharge flow is provided upstream of the jet discharge port. . 15. The siphon type toilet according to claim 2, wherein the swirl flow generating means for generating the swirl flow of the water discharge flow is provided near the jet water outlet. 16. The siphon-type toilet according to claim 2, wherein a water flow is generated from an upper layer to a lower layer immediately downstream of the swirling flow generating means. 17. The siphon-type toilet according to claim 2, wherein a pressure difference is generated between an upper layer side and a lower layer side immediately downstream of the swirling flow generating means, and a flow velocity distribution on a low pressure side or a high flow side. A siphon-type toilet characterized by the fact that the hydrostatic pressure distribution is biased left and right. 18. The siphon type toilet according to claim 17, wherein the flow rate on the low pressure side is large in the left-right direction;
A siphon-type toilet characterized by different left and right directions where the high hydrostatic pressure is high. 19. The siphon-type toilet according to claim 14, wherein said swirling flow generating means is formed at one place. 20. The siphon-type toilet according to claim 15, wherein a lower cross-sectional area of the jet water outlet of the jet water outlet provided with the swirling flow generating means is larger than an upper area, and an area of the upper area is a lower area. A siphon-type toilet characterized by being different in the left-right direction compared to. 21. The siphon-type toilet according to claim 20, wherein the swirling flow generating means is provided in a vicinity including an upper corner of the jet water outlet. 22. A siphon-type toilet according to claim 14, wherein said swirling flow generating means is detachably provided separately from a toilet body. Toilet bowl. 23. The siphon-type toilet according to claim 1 or 2, wherein the siphon-type toilet is provided with an auxiliary jet flow spouting means. 24. The siphon-type toilet according to claim 23, wherein the auxiliary jet flow spouting means is an auxiliary jet spout provided at a position upstream of the jet spout and branched from a washing water supply passage. And a siphon-type toilet. 25. The siphon type toilet according to claim 24, wherein an auxiliary jet outlet for discharging water in the direction of a trap rising pipe is provided near the entrance of the drainage channel. 26. The siphon-type toilet according to claim 24, wherein the auxiliary jet outlet is opposite to the jet outlet provided so as to be deviated in one of left and right directions with respect to the central axis of the toilet. A siphon-type toilet provided near the entrance of the drainage channel on the side. 27. The siphon-type toilet according to any one of claims 1 to 26, wherein the height of the core of the drain port from the floor surface is 120 mm or more, the total flow rate of washing water is 8 liters, Alternatively, a siphon-type toilet having a height of 155 mm or more and a total cleaning water flow rate of 10 liters. 28. The siphon-type toilet according to any one of claims 1 to 26, wherein the total flow rate of the flush water in the toilet is 120 mm in height from the floor of the core of the drain port. 155 from the floor of the drain core
A siphon-type toilet characterized in that the ratio of the total flow rate of wash water in mm is 125%.