JP2001152532A - Drainage system for flush toilet stool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drainage system for a flush toilet stool having a high- flexibility drain socket facilitating the connecting work between the discharge port of a toilet stool main body and a drain pipe. SOLUTION: This drainage system for a flush toilet stool 10 is provided with the drain socket 20 having an inflow port 21a connected to the discharge port 16 of the toilet stool main body 11 and an outflow port 24a communicated with the drain pipe P connected to a sewer pipe. The drain socket 20 is provided with a first seal means 26 and a second seal means 27 fitted to surround the outer periphery of the outflow port 24a, connecting the outflow port 24a to the drain pipe P when pressed to the upper end of the drain pipe P, and sealing the drain pipe P against the outside.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flush toilet drain device provided between a discharge port of a toilet body and a drain pipe connected to a sewer pipe.

[0002]

2. Description of the Related Art Conventionally, as this kind of drainage socket, one described in Japanese Patent Application Laid-Open No. 7-34517 is known. This drain socket connects the outlet of the toilet body of the flush toilet to the drain pipe arranged on the floor surface, that is, is connected to the inflow port and the drain pipe connected to the outlet of the toilet body. A connection pipe for connecting to the outlet is provided.
The connecting pipe is fitted into the drain pipe and connected to the drain pipe via an adhesive.

[0003]

However, the conventional drain socket has a problem that the operation of applying an adhesive between the connecting pipe and the drain pipe is troublesome. In addition, in order to connect to drain pipes having different thicknesses and diameters, drain sockets corresponding to the standard must be used, and there is a problem that versatility is low. Furthermore, when the toilet body is removed, the connection pipe and the drain pipe are adhered to each other and must be cut between them, and there is a problem that the construction work such as replacement of the toilet body is troublesome.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and provides a drainage device for a flush toilet having a highly versatile drainage socket, which facilitates connection work between a discharge port of a toilet body and a drainage pipe. The purpose is to do.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. The present invention is directed to an inflow port connected to a discharge port of a toilet body, and a flow communicating with a drain pipe connected to a sewer pipe. A drain device for a flush toilet having a drain socket having an outlet, wherein the outlet is mounted integrally with the drain socket and so as to surround an outer periphery of the outlet, and is pressed against an upper end of the drain pipe. And a drain for connecting the drain pipe and the drain pipe to the outside.

In the flush toilet drain device according to the present invention,
The flush water discharged from the toilet body flows from the inlet of the drain socket through the outlet to the drain pipe. The outlet of the drain socket is connected to the upper end of the drain pipe in a sealed state via sealing means. That is, the sealing means seals the drainage pipe to the outside by being pressed against the upper end of the drainage pipe, and connects the outlet to the drainage pipe. When the drain socket is placed on the upper end of the drain pipe as described above, the drain socket is connected to the drain pipe via the sealing means, and thus the work of bonding with an adhesive as described in the related art. Is unnecessary, and the construction work becomes easy. Furthermore, since no adhesive is used, the operation of removing the toilet body is easy.

[0007] As a preferred mode of the sealing means according to the present invention, a sealing groove formed so as to surround the outlet at the lower surface of the drainage socket and opened downward, And a seal member that is elastically deformed when pressed at the upper end of the tube. According to this configuration, since the seal member is housed in the seal groove, the elastically deformable seal member is not erroneously damaged when the drainage socket is carried or the work is performed.

Further, as a preferable mode of the sealing member, a structure having a sealing fold for sealing by pressing against the inner and outer wall ends of the drainage pipe can be adopted. Since the sealing folds are easily elastically deformed, excellent sealing properties can be exhibited.

Further, the sealing means can be formed as a sealing groove and a sealing fold capable of sealing the upper ends of the drain pipes having different wall thicknesses. Thereby, drain pipes of different standards can be handled by one drain socket, and the construction work is excellent.

[0010] The sealing means may be provided with an adhesive which is accommodated in the sealing groove and sticks when pressed at the upper end of the drain pipe, whereby the sealing property can be further enhanced.

The number of sealing means is not particularly limited as long as it can be formed in the drain socket. For example, a plurality of drain pipes having different diameters may be provided so as to be connectable. Can be connected to a tube.
By arranging the sealing means substantially concentrically around the outlet, the symmetry of the drainage socket is increased, and the production can be facilitated.

Further, as another mode of the drainage socket, it is possible to adopt a configuration having a fixing portion for fixing to the floor surface, whereby the positioning of the sealing means can be surely performed.

Further, the drain socket is arranged eccentrically with the inlet and the outlet, so that it can be adapted to drain pipes at different rough-in positions, and the washing water flowing in the drain socket is easily retained. Thus, a configuration that facilitates siphon generation can be achieved.

By disposing the sealing means in the vicinity of the inlet of the drain socket, it is possible to cope with various arrangements of the drain pipe, such that the height of the drain pipe from the floor surface can be reduced. it can.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to further clarify the configuration and operation of the present invention described above, a preferred embodiment of the present invention will be described below.

FIG. 1 is a sectional view showing a peripheral portion of a flush toilet 10 using a drain socket 20 according to an embodiment of the present invention. The flush toilet 10 is a ceramic toilet body 1 in which a ball portion 11a and a trap drain pipe 11b are integrally formed.
1, a drain socket 20 made of resin, a washing water tank, and the like. The drain socket 20 connects the outlet 16 of the toilet body 11 to a drain pipe P projecting from the floor surface FL.

As shown in FIG. 2, the drain pipe P is formed on the floor surface FL of the toilet room according to four standards in which two types of outer diameters D1 and D2 and two types of thicknesses t1 and t2 are different from each other. I have. That is, the drain pipe PA has an outer diameter D1 and a thickness t1, the drain pipe PB has an outer diameter D1 and a thickness t2, the drain pipe PC has an outer diameter D2 and a thickness t1, and the drain pipe PD Is
The outer diameter is D2 and the thickness is t2. Here, the outer diameter and the thickness are D1 <D2 and t1 <t2. FIG. 3 is an explanatory diagram illustrating a state in which a drain pipe P is provided on the floor surface FL of the toilet room. In FIG. 3, the drain pipe P (PA) is not located at the same distance from the front wall WF of the toilet room, but is disposed at a position different from the distances L1 (120 mm) and L2 (200 mm) depending on conditions such as a building. The drain socket 20 accommodates all four different drain pipes P and all two rough-in dimensions. Hereinafter, the drain socket 20 will be described in detail.

FIG. 4 is a sectional view showing the drain socket 20 of FIG. 1, and FIG. 5 is a sectional view of the drain socket 20 cut in a direction perpendicular to the longitudinal direction of the toilet body 11. 4 and 5, the drain socket 20 includes a toilet connection part 21, a connection pipe part 23, a drain pipe connection part 24, and a socket fixing part 28.
(Refer to FIG. 8) and the toilet fixing part 29 (FIG. 5) are integrally formed of resin.

The above-mentioned toilet connecting section 21 is provided with the trap drain pipe 1.
1b is provided with a seal member 22 for sealing between the outlet side and the outlet side. The outlet side of the trap drain pipe 11b is inserted into the opening 22a of the sealing member 22 to seal the gap therebetween, and the outlet 1 of the trap drain pipe 11b is sealed.
6 is connected to the inlet 21a.

Further, the toilet connecting section 21 and the connecting pipe section 23
Has a socket channel 23a for connecting the inflow port 21a and the outflow port 24a eccentrically. The eccentric distance La of the connecting pipe portion 23 is formed such that La = (L2−L1) / 2. A step 23b is formed between the connecting tube 23 and the toilet connecting portion 21 and above the connecting tube 23. The socket flow path 23a generates a turbulent flow when the washing water hits the step 23b,
The shape is such that washing water stays.

The drain pipe connecting portion 24 has an outflow tube portion 25 having an outlet 24a. Outflow cylinder 25
Is inserted into the drain pipe P connected to the sewer pipe to prevent the washing water from leaking to the outside. Further, a throttle portion 24b is formed in the middle of the outflow tube portion 25. The flow path of the throttle section 24b is formed so as to have a concentrically narrow flow area with the socket flow path 23a of the outflow cylinder section 25, and the flow area of the outflow cylinder section 25 is rapidly reduced. The siphon is generated quickly, and is formed integrally with the outflow cylinder 25 by injection molding.

The drain connection 24 has an outlet 24.
A first sealing means 26 and a second sealing means 27 are provided concentrically with a. FIG. 6 is an enlarged sectional view showing the vicinity of the drain pipe connection part 24. In FIG. 6, the first sealing means 26 and the second sealing means 27 have different outer diameters D.
This is a portion for alternatively connecting to the drain pipes P (see FIG. 2) of D1 and D2. FIG. 7 is a cross-sectional view in which the vicinity of the first sealing means 26 and the second sealing means 27 is further enlarged. In FIG. 7, the first sealing means 26 includes a first sealing groove 26a and a first sealing groove 26a held in the first sealing groove 26a.
And a sealing member 26b. First seal groove 26a
Is formed in an annular shape concentric with the outlet 24a (see FIG. 9) and opens downward. The first sealing member 26b has a U-shaped cross section, and has an annular first rubber body 26c with a lower opening directed downward, and first sealing folds projecting from inner and outer wall surfaces of the first rubber body 26c. 26d is integrally formed. The first sealing fold 26d protrudes in a horizontal disk shape from the inner wall and the outer wall of the first rubber main body 26c so as to face each other. Therefore, when the upper end of the drain pipe P is press-fitted from the lower opening of the first seal groove 26a, the first sealing fold 26d is formed so as to tightly seal the inner and outer walls of the drain pipe P. The first sealing fold 26d has a thickness t1, t.
Two different types of drain pipes P are provided so as to sandwich and bend in the horizontal direction so as to bend.

The second sealing means 27 is substantially the same as the first sealing means 26 except that the second sealing means 27 is concentric with the first sealing means 26 and has a larger radius so as to correspond to the drain pipe P having an outer diameter D2. That is, in the second seal groove 27a,
Second sealing fold 2 projecting from second rubber body 27c
The second seal member 27b having 7d is mounted.

FIG. 8 is a side view of the drain socket 20 and FIG. 9 is a bottom view of the drain socket 20. As shown in FIGS. 8 and 9, a socket fixing portion 28 is integrally formed at the bottom of the drain socket 20. The socket fixing portion 28 is a portion for fixing the drain socket 20 to the floor surface FL, and has a socket fixing leg 28d on the outer peripheral side of the second sealing means 27, and is substantially rectangular in the horizontal direction from the socket fixing leg 28d. And the drain socket 20 is screwed with screws 28c through four screw holes 28b of the flat plate portion 28a, so that the drain socket 20 is connected to the floor surface F.
Fixed to L.

Returning to FIG. 5, on the side of the drain socket 20, toilet fixing portions 29, 29 are formed. The toilet fixing parts 29, 29 are located above the drain socket 20, and
1 and is provided with screw fixing portions 29a, 29a on the upper surface thereof. Screw fixing part 29
a, 29a are formed bilaterally symmetric with respect to the longitudinal direction of the toilet body 11, and bilaterally symmetric with respect to the direction perpendicular to the longitudinal direction. In other words, the screw fixing portions 29a, 29a allow the toilet body 11
Is formed so as to be arranged at the same position as the socket-side fixing portion 11d.

Next, the operation of installing the flush toilet 10 will be described. First, the drain pipe PA shown in FIG.
An operation of installing the toilet body 11 using the drain socket 20 when the toilet body 11 is installed at a distance L1 (120 mm) as shown in FIG.

FIGS. 10 and 11 are explanatory views for explaining the operation of installing the drain socket 20. FIG. First, drain pipe P
Is cut from the floor at a predetermined height (for example, 100 mm). Thereafter, the front and rear of the drain socket 20 is checked, and the center line of the drain socket 20 and the center line of the toilet body 11 are aligned, and the first sealing means 26 of the drain socket 20 is aligned.
Of the drain pipe P into the first seal member 26b. At this time, the drainage socket 20 is arranged so that the toilet connection portion 21 faces forward. Then, the socket fixing part 2
Using a screw hole 28b of No. 8 (see FIGS. 8 and 9), a pilot hole is made in the floor surface FL. In this state, the socket fixing part 2
8 by screwing into the four screw holes 28b,
The drain socket 20 is fixed to the floor FL.

Subsequently, as shown in FIG. 5, the toilet body 11 is inserted into the inflow port 21a of the toilet connection portion 21 of the drain socket 20.
Of the toilet body 11 with the floor surface F
Installed on L As a result, the outlet 16 is connected to the toilet connecting portion 21.
And is sealed by a seal member 22. Then, screws 29 are attached to the socket side fixing portion 11d and the toilet fixing portions 29, 29 of the toilet body 11.
b and 29b are respectively inserted. Thereby, the toilet body 11 is connected to the drain pipe P via the drain socket 20 and is fixed to the floor surface FL.

Next, as shown in FIG.
The operation of connecting the drain socket 20 when A is disposed at a distance L2 (200 mm) from the front wall WF of the toilet room will be described. This work is performed on drain socket 2
The operation is the same as the above-described operation except that the direction in which 0 is set is different between the front and rear. That is, as shown in FIG. 12, the drain socket 20 is arranged so that the toilet connection portion 21 faces the front wall WF. Thus, even if the position of the drain pipe P is different, the distance from the front wall WF to the inflow port 21a can be changed to (L1 + L) only by changing the position of the drain socket 20.
The toilet body 11 can be installed at the same position represented by 2) / 2.

Therefore, according to the above-described embodiment, even if the drain pipes P are arranged at different positions, the direction in which the drain socket 20 is attached is changed so that the drain sockets 20 are located at the same position in the toilet room. The toilet body 11 can be installed. Therefore, according to the arrangement position of the drain pipe P,
There is no need to use a different drain socket 20.

Next, the operation of installing the toilet body 11 when the outer diameter of the drain pipe P is made different is performed as follows. That is, as shown in FIGS. 2C and 2D, when a drain pipe PC or a drain pipe PD having an outer diameter D2 is used, the second sealing means 27 of the drain socket 20 shown in FIG. The same operation as described above is performed except for press-fitting the upper end of the drain pipe P. That is, the drainage socket 20 is the same, and may be changed to the second sealing means 27 according to the outer diameter of the drainage pipes PC and PD. As shown in FIG. 7, the first seal member and the second seal member can also be press-fitted to the drain pipe PB and the drain pipe PD having a large thickness t2, so that they can be connected by the same drain socket 20.

Therefore, the direction of the drain socket 20 and the direction of the first sealing means 26 and the second sealing means 2
7 can be applied to various drainage pipes P shown in FIGS. 2 and 3 having different outer diameters, wall thicknesses, and arrangement positions under the same construction conditions except for the same construction conditions. ing.

Further, the drain socket 20 is configured such that the upper end of the drain pipe P is connected to the first seal member 26b or the second seal member 27b.
It can be connected to a drain pipe simply by press-fitting it into the pipe, and does not require any troublesome work of applying an adhesive or the like and fitting and connecting the drain pipe. Furthermore, as described in the related art, the screw 28c of the socket fixing portion 28 is different from the case where the connection is performed using an adhesive.
Can be removed, the drainage socket 20 can be removed from the drainage pipe P, so that the construction work such as removing the drainage socket 20 and the toilet body 11 is also easy.

The drain pipes 20b and 27b are formed of rubber and have a permissible width by the first sealing fold 26d and the second sealing fold 27d.
Because it can be connected to the construction, it has excellent workability.

The drainage socket 20 has the following configuration in order to quickly generate a siphon.

That is, as shown in FIG. 4, the drainage socket 20 is provided with a step 23b between the toilet connector 21 and the connecting pipe 23, and the direction in which the washing water flows and flows in the step 23b. Changes, a water film is formed,
A delay effect of the washing water is obtained, and siphon generation is induced. The stepped portion 23b is formed so that the socket flow path 23a
1a and the outlet 24a are formed by eccentricity.

At the outlet 24a of the drain socket 20, a throttle portion 24b is formed. The throttle portion 24b increases the delay effect of the washing water near the outlet 24a.
Such a constricted portion 24b can more quickly and reliably generate a siphon due to a synergistic effect with the step portion 23b.

Since the constricted portion 24b is formed integrally with the drain socket 20 by injection molding with resin,
It is not necessary to assemble to the drain pipe P, and it is excellent in installation workability,
In addition, there is no possibility that a shift due to water pressure at the time of drainage will impair the action of generating a siphon.

In the above-described embodiment, the following other functions and effects can be obtained.

(1) Since the drain socket 20 is screwed to the floor surface FL at the socket fixing portion 28, the drain pipe P and the drain socket 20 are securely connected, and the first sealing means 26 or the second sealing means It is possible to prevent a decrease in sealing performance caused by a displacement between the means 27 and the drain pipe P.

(2) The toilet body 11 is provided with a toilet fixing portion 29.
Are screwed and fixed at the portion, so that both can be securely fixed, and since the fixed position behind the toilet body 11 is located above the floor surface FL, cleaning can be easily performed. Become.

(3) On the innermost peripheral side of the drain socket 20,
Since the outflow cylinder portion 25 is provided, the washing water is surely guided to the drain pipe P, so that no water leaks from the connection portion between the drain pipe P and the first sealing means 26 or the second sealing means 27. .

FIG. 13 is a sectional view showing the periphery of a sealing means according to another embodiment. In FIG. 13, a first sealing means 26B and a second sealing means 27B are formed on the bottom surface of the drain socket 20B. Since the first sealing means 26B and the second sealing means 27B have the same configuration except for the outer diameter, the first sealing means 26B will be described. The first sealing means 26B has a rubber body 26Bc having a U-shaped cross section mounted in the first sealing groove 26Ba. An adhesive 26B is provided on the lower surface of the rubber body 26Bc.
f is applied. When transporting the drainage socket 20B, a release paper (not shown) for a cover is attached to the adhesive 26Bf. Therefore, the drain socket 20
At the time of B, if the release paper is peeled off and adhered to the adhesive 26Bf at the end of the drain pipe P, the drain pipe P can be connected with high sealing properties through the drain socket 20B. .

The present invention is not limited to the above-described embodiment, but can be implemented in various modes without departing from the gist thereof. For example, the following modifications are possible.

(1) A mounting mark may be provided at a position easily visible from the outside such as the outer wall of the drain socket as a mark indicating the front and rear of the drain socket when the drain socket is assembled. Since the drainage socket is securely mounted by the mounting mark, the throttle portion can be accurately mounted to the toilet body.

(2) The outflow cylinder portion 25 of the toilet connection portion 21,
Even if the first sealing means 26 and the second sealing means 27 are not coaxial, they may be decentered and promptly induce the siphon, in consideration of elements that do not clog up with dirt.

(3) In the above embodiment, the drain pipe P
Has been described for the case of application to PVC pipes, but is not limited to this.
A configuration applicable to a lead pipe may be adopted.

[Brief description of the drawings]

FIG. 1 shows a drainage socket 2 according to an embodiment of the present invention.
It is sectional drawing which shows the peripheral part of the flush toilet 10 using 0.

FIG. 2 is an explanatory view showing four types of drainage pipes P connected to a drainage socket.

FIG. 3 is an explanatory diagram illustrating a state where a drain pipe P is constructed on a floor surface FL of a toilet room.

FIG. 4 is a sectional view showing the drain socket 20 of FIG.

FIG. 5 is a sectional view of the drain socket 20 cut in a direction perpendicular to the longitudinal direction of the toilet body 11;

FIG. 6 is an enlarged sectional view showing the vicinity of a drain pipe connection part 24;

FIG. 7 is an enlarged sectional view of the vicinity of the first sealing means 26 and the second sealing means 27 of the drain pipe connecting portion 24.

FIG. 8 is a side view of the drain socket 20;

9 is a bottom view of the drain socket 20. FIG.

FIG. 10 is an explanatory diagram illustrating an operation of installing a drain socket 20.

FIG. 11 is an explanatory diagram illustrating a construction operation of a flush toilet using a drain socket 20.

FIG. 12 is an explanatory diagram illustrating a construction operation of a flush toilet using a drain socket for a drain pipe constructed at a position different from that of FIG. 11;

FIG. 13 shows a drainage socket 20B according to another embodiment.
It is sectional drawing which shows the principal part of.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Flush toilet 11 ... Toilet main body 11a ... Ball part 11b ... Trap drain pipe 11d ... Socket side fixed part 16 ... Outlet 20 ... Drain socket 20B ... Drain socket 21 ... Toilet connection part 21a ... Inlet 22 ... Seal member 22a ... Opening 23 ... Connecting pipe 23a ... Socket flow path 23b ... Step 24 ... Drain pipe connection 24a ... Outlet 24b ... Throttle 25 ... Outflow cylinder 26 ... First seal 26a ... First seal groove 26b ... First 1 seal member 26c first rubber body 26d first fold 26B for first seal 26Ba first seal groove 26Bc rubber body 26Bf adhesive 27 second seal means 27B second seal means 27a ... Second seal groove 27b ... Second seal member 27c ... Second rubber body 27d ... Second sealing fold 28a ... Flat plate 28b ... Screw hole 8c ... screw 28d ... socket retaining leg 28 ... socket retaining portion 29 ... toilet fixing portion 29a ... screw fixing portion 29 b ... screw FL ... floor P ... drainpipe WF ... front wall

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takayuki Otani 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu-city, Fukuoka Prefecture Totoki Equipment Co., Ltd. 2-1-1 Nakajima F-term in To-Toki Co., Ltd. (Reference) 2D039 CA04 CB02

Claims (10)

[Claims] A drain device for a flush toilet having a drain socket having an inlet connected to a drain of a toilet body and an outlet communicating with a drain pipe connected to a sewer pipe, wherein the drain socket is integral with the drain socket. A sealing means for connecting the outlet and the drainage pipe and for sealing the drainage pipe to the outside by being attached so as to surround the outer periphery of the outlet and being pressed by the upper end of the drainage pipe. A drain device for a flush toilet. 2. The sealing device according to claim 1, wherein the sealing means is formed so as to surround the outflow port on the lower surface of the drain socket, and is opened in a downward direction; A seal member that elastically deforms when pressed at an upper end of a pipe; 3. The flush toilet drain device according to claim 2, wherein the sealing member has a sealing fold portion for sealing by pressing against inner and outer wall ends of the drain pipe. 4. The flush toilet drain device according to claim 3, wherein the seal groove and the sealing fold are configured to be able to seal the upper ends of drain pipes having different wall thicknesses. 5. The drain device for a flush toilet according to claim 1, wherein the sealing means is housed in a sealing groove and has an adhesive which sticks when pressed at an upper end of the drain pipe. 6. The sealing device according to claim 1, wherein the sealing means is capable of connecting drain pipes having different diameters.
A plurality of flush toilet drainage devices. 7. The drain device for a flush toilet according to claim 6, wherein the sealing means is disposed substantially concentrically around the outlet. 8. The flush toilet drain device according to claim 1, wherein the drain socket includes a fixing portion fixed to a floor surface. 9. The flush toilet drain device according to claim 1, wherein the inflow port and the outflow port are eccentrically arranged. 10. The flush toilet drain device according to claim 1, wherein the sealing means is disposed near the inlet.