JP2000282553A - Siphon type closet bowl - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a siphon type closet bowl in which siphon is induced at an early stage and the quantity of washing water is reduced. SOLUTION: In the siphon type closet bowl comprising a stool body 1 and a drain socket 3 to which a drain inlet 2 for the stool body 1 is fitted, the first shelf section 10, with which washing water overflowing a trap top section 8 collides, is installed in the outlet section 12 of the drain inlet 2, and the second shelf section 11, with which washing water colliding with the first shelf section 10 and being reflected collides, is set up into the drain socket 3 positioned in a section lower than the drain inlet 2.

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 having a toilet body and a drain socket into which a drain port of the toilet body fits.

[0002]

2. Description of the Related Art The structure of a drain portion of a conventional siphon-type toilet composed of a toilet body and a drain socket will be described with reference to FIG.
Connecting packing 34 for connecting 2 to drain socket 33
And a drain socket 33 having a connection packing fitting part 35 for connection with the connection packing 34 at the upper part, and a drain pipe fitting part 37 for a drain pipe 36 leading to sewage at the lower part. The principle that the siphon action is induced by the structure of the drainage part is based on the fact that the washing water 3 that has passed over the trap top 38 of the toilet body 31
9a collides with the first shelf 40 located upstream of the drain 32, and the reflected washing water 39b subsequently collides with the second shelf 41 located at the exit of the drain 32 and is further reflected. The washing water 39c flows downstream. The washing water is scattered by the two-stage shelves provided on the toilet body 31, so that a water film is easily formed in the drainage channel.

FIG. 7 is a view showing another example of the structure of the drain section of a conventional siphon type toilet. In this conventional example, flush water 59a that has passed over a trap top 58 is provided at a drain port 52 of a toilet body 51. No colliding shelves are formed, and the flush water 59a collides with the first shelf 56 facing the drain port 52 of the toilet body 51 of the drain socket 53, and the reflected flush water 59b is discharged from the drain socket 53. The washing water 59c that collides with the second shelf portion 57 provided at the outlet portion 54 and is further reflected flows downstream. The washing water is scattered by the two-stage shelf, so that a water film is easily formed in the drainage channel. Also, a throttle 55 is provided in a drainage channel upstream of the second shelf 57 provided at the outlet 54 of the drainage socket 53 to reduce the volume thereof and reduce the amount of water for obtaining a full state necessary for the siphon action to occur. I wake up the siphon earlier.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to provide a siphon-type toilet which induces a siphon action earlier than the above-mentioned conventional siphon-type toilet and enables washing with a smaller amount of washing water. And

[0005]

Means for Solving the Problems The present invention has been made to solve the above-mentioned problems, and for this purpose, a siphon type toilet according to claim 1 has a toilet body and a drain port of the toilet body. A siphon-type toilet comprising a fitted drainage socket, wherein a first shelf at which an outlet of the drainage collides with washing water that has passed over the top of the trap is provided, and further located below the drainage outlet. A second shelf on which the washing water colliding and reflected by the first shelf collides is provided inside the drain socket. By adopting such a structure, it is possible to form a water curtain at an optimum position in the drainage channel earlier and induce a siphon, compared to a conventional structure in which only one of the drain outlet and the drain socket has a shelf. It becomes possible.

According to a second aspect of the present invention, there is provided a siphon type toilet according to the first aspect, wherein the center of the opening of the first shelf and the center of the opening of the second shelf are different from each other. Have an eccentric positional relationship. With such a structure, it is possible to position the second shelf provided inside the drain socket at the drop position of the washing water that has collided with the first shelf provided at the outlet of the drain outlet. Become.

According to a third aspect of the present invention, there is provided a siphon type toilet according to the first or second aspect, wherein an opening area of the opening of the second shelf is equal to an opening area of the opening of the first shelf. It is characterized by being smaller than the area. By adopting such a structure, the flow path resistance of the drainage path can be increased, and a water film can be easily formed.

According to a fourth aspect of the present invention, there is provided a siphon-type toilet according to any one of the first to third aspects, wherein the first shelf and / or the second shelf is inclined downward. Features. By taking such a structure,
The direction of the washing water that has collided with each shelf can be given. In addition, the inclination of the shelves also serves to prevent dirt from being caught.

According to a fifth aspect of the present invention, there is provided a siphon-type toilet according to any one of the first to fourth aspects, wherein the first shelf is provided all around or partially around an outlet of the drain port. It is characterized by having. When the shelf is provided on the entire circumference, it is possible to collide with the shelf without escaping the washing water transmitted along the inner wall of the drainage path on the upstream side of the shelf, and if the shelf is partially provided, there is no shelf It is possible to make it easier for filth to slip down from the part.

According to a sixth aspect of the present invention, in the siphon type toilet according to any one of the first to fifth aspects, the second shelf is provided all around or partially inside the drainage socket. It is characterized by. When the shelf is provided on the entire circumference, it is possible to collide with the shelf without escaping the washing water transmitted along the inner wall of the drainage path on the upstream side of the shelf, and if the shelf is partially provided, there is no shelf It is possible to make it easier for filth to slip down from the part.

According to a seventh aspect of the present invention, there is provided a siphon-type toilet according to any one of the first to fourth aspects, wherein the toilet body has a trap at a rear side of the toilet body, and Is provided on the rear side of the toilet body, and the second shelf is provided on the front side of the toilet body.
By adopting such a structure, the flushing water that has passed over the top of the trap is directed to the first shelf, and the flushing water that collides with and reflects on the first shelf is directed to the second shelf. A water film is easily formed in the drain passage by colliding with a shelf provided on the facing surface.

The siphon type toilet according to claim 8 is the siphon type toilet according to any one of claims 1 to 7, wherein the opening of the first shelf and the second shelf has an elliptical shape. It is characterized by the following. By adopting such a structure, it is possible to partially increase the area of the surface of the shelf where the washing water collides.

According to a ninth aspect of the present invention, there is provided a siphon-type toilet according to any one of the first to eighth aspects, wherein the drain socket is provided with a second outlet upstream of the second shelf.
A throttle unit is provided which forms a drainage channel having an opening area smaller than the area of the opening of the shelf. By taking such a structure, it is possible to reduce the volume of the drainage channel by the constricted portion, to reduce the amount of water for obtaining the full state necessary for the siphon action to occur, and to cause the siphon earlier by that much. .

Further, the siphon type toilet according to claim 10 is
The siphon-type toilet according to any one of claims 1 to 9, wherein the drainage socket is located downstream of the second shelf.
Further, one or a plurality of shelves are provided, in which the washing water colliding with and reflected by the second shelves is provided. With such a structure, it is possible to more reliably form a water film in the drainage path.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a partial cross-sectional view of a siphon type toilet according to an embodiment of the present invention.
A packing 4 for connecting the drain port 2 and the drain socket 3 of the toilet body 1; a packing fitting portion 5 for connecting the connection packing 4 to an upper portion;
And a drain socket 3 having a drain pipe fitting portion 7.

The washing water 9a that has passed over the trap top 8 of the toilet body 1 collides with a first shelf 10 provided at the outlet of the drain port 2 of the toilet body 1, and the reflected washing water 9b is discharged to a drain socket. The washing water 9c that has collided with the second shelf 11 provided in 3 and reflected and flows downstream. The washing water is scattered by the two-stage shelf, so that a water film is easily formed in the drainage channel.

Further, a chamfered portion 15 is provided at a corner of the drainage socket 3 facing the drainage port 2 of the toilet body 1 and a drainage channel facing downward from the surface 14 to make it easier for dirt to slip. .

FIG. 2 is a sectional view taken along line AA of the drain port 2 of the toilet body 1 in FIG. 1 and a plan view of the drain socket 3. The cross section (opening) of the drainage channel of the first shelf 10 has an elliptical shape 16, and its center line c 1 is the drain socket 3.
The eccentric amount 17 is deviated to the front side of the toilet body 1 from the center line c2 of the drainage channel (opening) of the second shelf 11 provided at the rear of the toilet body 1 where the washing water 9a falls. The area of the first shelf 10 on the side is partially widened.

The cross section of the drainage channel of the second shelf 11 provided in the drainage socket 3 has a perfect circular shape 18, and the cleaning water 9
b is provided partially on the front side of the toilet body 1 where it falls.

The area of the drainage channel (opening) of the second shelf 11 is smaller than the area of the drainage channel (opening) of the first shelf 10 so that the drainage channel has a flow path resistance. .

FIG. 3 shows an example in which the first shelf 10 of the toilet body 1 is provided to be inclined downward. The washing water 9a that has passed over the trap top 8 collides with the inclined first shelf 10, and the reflected washing water 9b collides with the second shelf 11 provided on the drain socket 3. By inclining the first shelf 10,
The direction of the reflected washing water 9b can be given, and it is possible to collide with the second shelf 11 efficiently.

FIG. 4 shows the second shelf 11 in the drain socket 3.
FIG. 4 is a cross-sectional view of a drainage socket having a throttle unit 13 having an opening area smaller than the opening area of the second shelf 11 on the upstream side of the second shelf 11. In this case, since the volume of the drainage channel is reduced by the throttle unit 13, it is possible to obtain a full state required for generating a siphon with a small amount of the washing water 9b.

FIG. 5 shows a second embodiment provided on the drain socket 3.
A sectional view of a drain socket provided with a third shelf portion 20 on the downstream side of the shelf portion 11 where the washing water 9c colliding with and reflecting on the second shelf portion 11 is shown. The washing water collides with the shelves to increase the reflection behavior, and the scattering of the washing water further facilitates formation of a water film in the drainage channel.

[0024]

As described above, the siphon type toilet according to the present invention can form a water film in the drainage channel and cause siphons earlier, and can reduce the amount of washing water. it can.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a siphon type toilet according to one embodiment of the present invention.

FIG. 2 is a view of A- of a toilet drain port 2 of the siphon type toilet of FIG. 1;
2A is a sectional view and a plan view of a drain socket 3. FIG.

FIG. 3 is a cross-sectional view showing an example in which a first shelf provided on a toilet body is inclined.

FIG. 4 is a cross-sectional view showing an example in which a throttle portion is provided upstream of a first shelf provided in a drain socket.

FIG. 5 shows a downstream side of a first shelf provided in a drain socket;
It is sectional drawing which shows the example which provided the 2nd shelf part further.

FIG. 6 is a sectional view of a conventional siphon-type toilet.

FIG. 7 is a cross-sectional view of another conventional siphon-type toilet.

[Explanation of symbols]

1, 31, 51 ... toilet body 2, 32, 52 ... toilet drain port 3, 33, 53 ... drain socket 4, 34, 60 ... connection packing 5, 35 ... connection packing fitting part 6, 36 ... drainage Pipes 7, 37: drain pipe fittings 8, 38, 58: trap tops 9a, 39a, 59a: washing water before colliding with the first shelf 9b, 39b, 59b: before colliding with the second shelf Cleaning water 9c, 39c, 59c: Cleaning water after colliding with the second shelf 9d: Cleaning water after colliding with the third shelf 10, 40, 56 ... First shelf 11, 41, 57 ... Second Shelves 12, 54: Drain socket outlet 13, 55: Restrictor 14: Surface of drain socket facing drain port of toilet body 15: Chamfer 16: Elliptical opening 17 of first shelf of toilet body 17 ... Eccentricity 18 ... A perfect circular opening in the second shelf of the drain socket 0 ... third ledge c1 ... toilet first ledge of the elliptical shape of the center line of the opening 16 c2 ... second ledge true circular opening 18 of the drainage socket body
Center line of

Claims (10)

[Claims] 1. A siphon-type toilet having a toilet body and a drain socket into which a drain port of the toilet body fits, wherein washing water that has passed over the top of the trap collides with an outlet of the drain port. A siphon, wherein a first shelf is provided, and a second shelf is provided inside the drain socket located below the drain port, the washing water colliding with the first shelf and being reflected by the washing water. Type toilet. 2. The siphon toilet according to claim 1, wherein the center of the opening of the first shelf and the center of the opening of the second shelf are eccentric. 3. The siphon toilet according to claim 1, wherein the opening area of the opening of the second shelf is smaller than the opening area of the opening of the first shelf. 4. The siphon type toilet according to claim 1, wherein the first shelf and / or the second shelf is inclined downward. 5. The siphon toilet according to claim 1, wherein the first shelf is provided all around or partially around an outlet of the drain port. 6. The siphon type toilet according to claim 1, wherein the second shelf is provided entirely or partially inside the drain socket. 7. The toilet bowl, wherein the trap is provided on the rear side of the toilet body, the first shelf is provided on the rear side of the toilet body, and the second shelf is provided on the front side of the toilet body. 1
A siphon-type toilet according to any one of claims 4 to 4. 8. The siphon type toilet according to claim 1, wherein the openings of the first shelf and the second shelf have an elliptical shape. 9. The drainage socket according to claim 1, further comprising a throttle formed upstream of the second shelf to form a drainage passage having an opening area smaller than the area of the opening of the second shelf. Siphon toilet bowl. 10. The drain socket further comprises one or more shelves downstream of the second shelves and one or more shelves against which the washing water collides and reflects with the second shelves.
A siphon type toilet bowl according to any of the above.