JPH0742219A - Connecting adapter for toilet drainage pipe - Google Patents

Abstract

PURPOSE:To provide a connecting adapter which can correspond to several kinds of drainage pipes having different inner diameters and facilitates management of parts and increases productivity and further, reduces failure in orders during construction. CONSTITUTION:An inner peripheral connection part 4 in which a vertical connection cylinder 3 vertically put in from a floor flange 2 for a toilet seat is inserted and fitted, is provided in the inner periphery of a cylindrical body 1. And also a larger diametral drainage pipe connection part 6 and a smaller diametral drainage pipe connection part 7 at which the upper end of a drainage pipe 5a having two larger and smaller kinds can be fitted, are provided at the outer periphery of the cylindrical body 1. In this case, the larger diametral drainage pipe connection part 6 and the smaller diametral drainage pipe connection part 7 are arranged stepwise at the upper and lower positions of the outer periphery of cylindrical body 1. The upper end of drainage pipe 5a having different inner diameters is selectively fitted to cover one of the larger connection part 6 or the smaller connection part 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toilet drainage pipe connection adapter used for connecting a floor flange for a toilet provided under a flush toilet and a drainage pipe piped under the floor.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 23, a vertical connecting cylinder portion (b) vertically extending from a floor flange (a) for a toilet and a drain pipe (d) piped below a floor surface (c). There is known a tubular toilet drain pipe connection adapter (e) used for connecting to the upper end of the. The toilet drainage pipe connection adapter (e) is fitted and fitted to the outer periphery of the vertical connection tube portion (b) vertically hung from the toilet floor flange (a), and is fitted into the upper end opening of the drainage pipe (d). Inserted and fitted, the vertical connection tube (B)
The upper end of the drainage pipe (d) is to be connected without any rattling.

[0003]

However, in the above conventional technique, the drain pipe (d) is the VU100,
There are cases where different types of pipes such as VP100, VU75, VP75 are used and the inner diameter of the drain pipe (d) is different, and in order to accommodate this, several types of toilet drain pipe connections with different outer diameters and wall thicknesses are connected. We have a full lineup of adapters (e) for that reason, so the number of product numbers has increased, parts management has become difficult, production efficiency has deteriorated, and there were frequent order errors during construction.

The present invention has been invented in order to solve the above-mentioned problems in the prior art. That is, the problem is that a single article can deal with several types of drainage pipes having different inner diameters, and parts management becomes easy. It is to provide an adapter for connecting a toilet drain pipe that improves production efficiency and reduces ordering mistakes during construction.

[0005]

According to the first aspect of the present invention, in the toilet drainage pipe connection adapter, a vertical connection cylinder portion which is hung from a floor flange for a toilet is inserted into and fitted to the inner periphery of the cylindrical body. An inner peripheral connection part is provided, and a large diameter drainage pipe connection part and a small diameter drainage pipe connection part on which the upper ends of two types of drainage pipes, large and small, can be fitted and fitted on the outer periphery of the cylindrical body, The above problem is solved by this configuration.

According to a second aspect of the present invention, in the toilet drainage pipe connecting adapter, the large diameter drainage pipe connecting portion and the small diameter drainage pipe connecting portion are located above and below the outer periphery of the tubular body. It is arranged in a staircase.

According to a third aspect of the present invention, in the toilet drainage pipe connecting adapter, the tubular body is formed in a double tubular shape with an outer tubular portion and an inner tubular portion, The outer circumference of the outer cylinder becomes the large-diameter drain pipe connection part, and the outer circumference of the inner cylinder part becomes the small-diameter drain pipe connection part, with a flange piece that can cut between the upper end edges of the outer cylinder part and the inner cylinder part. It is a combined one.

According to a fourth aspect of the present invention, there is provided an toilet drainage pipe connecting adapter according to the third aspect, wherein the outer cylinder portion has an outer peripheral diameter at the upper end edge of the outer cylinder portion. The auxiliary cylinder portion having the same inner diameter is erected through the cuttable rib piece portion.

[0009]

In the toilet drainage pipe connection adapter of the present invention, an inner peripheral connection portion is provided on the inner periphery of the cylindrical body into which the vertical connection cylindrical portion that is hung from the floor flange for the toilet is inserted and fitted. Therefore, the vertical connection tubular portion vertically hung from the floor flange for the toilet is inserted and connected in the inner peripheral connection portion, and the upper end portions of two types of drain pipes, large and small, are covered on the outer periphery of the tubular body. Since a large diameter drain pipe connection part and a small diameter drain pipe connection part that can be mounted and fitted are provided, two types of drain pipes with different inner diameters are selected for the same large diameter drain pipe connection part or small diameter drain pipe connection part. They can be fitted and fitted to each other and connected correspondingly.

In the toilet drainage pipe connection adapter according to claim 2) of the present invention, the large diameter drainage pipe connecting portion and the small diameter drainage pipe connecting portion are arranged in a step shape above and below the outer periphery of the cylindrical body. Therefore, it can be connected to drain pipes having different diameters corresponding to the difference in the insertion depth of the tubular body into the drain pipe.

Further, in the toilet drainage pipe connecting adapter according to claim 3) of the present invention, the tubular body is formed in a double tubular shape of an outer tubular portion and an inner tubular portion, and the outer periphery of the outer tubular portion is Since it becomes a large diameter drain pipe connection part and the outer circumference of the inner cylinder part becomes a small diameter drain pipe connection part, since the upper end edge of the outer cylinder part and the inner cylinder part are connected by a flange piece that can be cut, In its original form, the upper end of the drainage pipe is fitted and fitted to the large-diameter drainage pipe connecting portion on the outer circumference of the outer cylinder part to be connected to the drainage pipe having a large inner diameter. The tubular part is cut and removed at the flange part, and the upper end part of the drain pipe is fitted and fitted to the small diameter drain pipe connecting part on the outer periphery of the inner tubular part so that it can be connected correspondingly to the drain pipe having a small inner diameter. is there.

Further, in the toilet drainage pipe connection adapter according to claim 4) of the present invention, the auxiliary cylinder portion whose outer peripheral diameter and the inner peripheral diameter of the outer cylindrical portion match the upper end edge of the outer cylindrical portion is cut. Since it is erected via possible rib pieces, similarly to the toilet drainage pipe connection adapter according to claim 3), the auxiliary pipe portion is connected to two types of drainage pipes of large and small diameters. By cutting at the rib piece and fittingly fitting the auxiliary cylinder to the outer circumference of the outer cylinder, a drain pipe having a larger inner diameter is fitted and fitted to the outer circumference of the auxiliary cylinder. It can be connected correspondingly.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The toilet drainage pipe connection adapter shown in FIGS. 1, 2 and 6 is an embodiment of the present invention and is an embodiment described in claims 1) and 2).

That is, the toilet drainage pipe connection adapter of this embodiment has an inner peripheral connecting portion into which a vertical connecting cylinder portion 3 vertically extending from a floor flange 2 for a toilet is inserted and fitted on the inner peripheral portion of a cylindrical body 1. 4 is provided, and two types of drain pipes 5a of large and small are provided on the outer periphery of the tubular body 1,
The upper end portion of 5b is provided with a large diameter drain pipe connecting portion 6 and a small diameter drain pipe connecting portion 7 which can be fitted and fitted. In this case, the large diameter drain pipe connecting portion 6 and the small diameter drain pipe connecting portion 7 are provided. And are arranged in steps above and below the outer periphery of the tubular body 1.

The toilet drainage pipe connection adapter is integrally molded in a cylindrical shape from synthetic resin, and the inner peripheral connection portion 4 is a small diameter drainage pipe connection portion 7 provided at the lower portion of the tubular body 1. It is formed inside with a hollow gap.
In addition, the toilet drainage pipe connection adapter includes a vertical connection tube portion 3 vertically extending from the toilet floor flange 2 to the inner peripheral connection portion 4.
1 is inserted and fitted, and the drain pipe has a large inner diameter as shown in Fig. 1.
5a, the large diameter drain pipe connecting portion 6 is fitted to the inner circumference of the drain pipe 5a, or, as shown in FIG. 6, the drain pipe 5b is inserted into the drain pipe 5b having a small inner diameter. The small-diameter drainage pipe connecting portion 7 is fitted to the inner circumference of the, and selectively connected. Then, the toilet floor flange 2 is fixed to the floor surface 8.

The floor flange 2 for the toilet bowl, as shown in FIG.
It is composed of a cylindrical hanging connection tube portion 3 and a flange portion 9 protruding outward at the upper end edge of the hanging connection tube portion 3, and is integrally molded of synthetic resin. In the flange portion 9,
A fixing hole 10 is formed in the square portion, and a circumferential opening groove 12 is formed in a pair at the opposing position.

As shown in FIG. 3, the toilet floor flange 2 has a drain pipe 5a connected to the lower portion thereof via a toilet drain pipe connecting adapter, and a flush toilet 14 installed and fixed on the upper portion thereof. At that time, the flange portion 9 of the toilet floor flange 2 is fixed to the floor surface 8 by the fixing screw 11 inserted into the fixing hole 10.
The fixing screw 13 fixed to the opening groove 12 of the flange portion 9 is inserted into the fixing main hole 15 formed in the side portion of the flush toilet 14 and fixed to the fixing screw 13. The nut 16 is screwed and tightened. In this case, fix the fixing screw 13 to the opening groove 12
By sliding along the fixed screw
The position of 13 and the main fixing hole 15 can be easily adjusted. Further, a fixing auxiliary hole 19 is formed in a side portion of the flush toilet 14, and a fixing auxiliary screw 20 which is inserted into the fixing auxiliary hole 19 is screwed into the floor surface 8 so that the flush toilet bowl is 14 is securely installed and fixed so that it does not move. or,
A washer 17 is attached to the fixing screw 13 and the fixing auxiliary screw 20.
The upper end portions of the fixing screw 13 and the fixing auxiliary screw 20 are fitted with a cap body 18 and are covered.

The flush toilet 14 and the floor flange 2 for the toilet
In order to ensure that the flush toilet 14 is stably installed and fixed, and that the waterproof property is secured, the packing ring 21
Is intervened. In this case, as shown in FIG. 5, the packing ring 21 is fitted on the outer periphery of the waste water discharge pipe portion 22 which is vertically installed integrally with the flush toilet 14, and in this state, the waste water discharge pipe portion 22 is attached to the floor flange 2 for the toilet bowl. The packing ring 21 is inserted into the vertical connection tubular portion 3 of FIG.
The packing ring 21 is a hollow soft resin molded product, a foamed rubber molded product, or the like.

Therefore, in the toilet drainage pipe connection adapter of this embodiment, a large-diameter drainage pipe connection portion to which the upper ends of two types of drainage pipes 5a and 5b of large and small can be fitted and fitted on the outer periphery of the tubular body 1. 6 and the small diameter drainage pipe connecting portion 7 are provided,
The drain pipes 5a and 5b having different inner diameters of two kinds, large and small, are provided in the large-diameter drain pipe connecting portion 6 or the small-diameter drain pipe connecting portion 7 as shown in FIG.
As shown in Fig. 5, it is possible to selectively fit and connect correspondingly, and it is possible to support two types of drainage pipes 5a, 5b with a single article, easy parts management, improved production efficiency, construction Order mistakes at the time are also reduced.

Further, in the toilet drainage pipe connecting adapter of the embodiment, particularly, the large diameter drainage pipe connecting portion 6 and the small diameter drainage pipe connecting portion 7 are arranged in a step-like manner above and below the outer periphery of the tubular body 1. Therefore, depending on the insertion depth of the tubular body 1 into the drain pipes 5a, 5b, it can be connected to the drain pipes 5a, 5b having different diameters.

Further, in this embodiment, as shown in FIGS. 8 and 9, a large diameter fitting portion 24 and a small diameter fitting portion 24 are fitted on the outer periphery of the hanging connection tubular portion 3 of the floor flange 2 for the toilet in a stepwise manner in the vertical direction. Since the joint portion 25 is provided, the inner diameter can be further increased directly to the large-diameter fitting portion 24 or the small-diameter fitting portion 25 of the toilet floor flange 2 without intervening connection of the toilet drain pipe connecting adapter. Two types of small-diameter drain pipes 5c and 5d can be connected to each other.

Further, the toilet drainage pipe connecting adapter shown in FIGS. 9, 10, 11, and 13 is an embodiment of the present invention, and is an embodiment described in claims 1) and 3). is there.

That is, the toilet drainage pipe connection adapter of this embodiment has an inner peripheral connecting portion into which the vertical connecting cylinder portion 3 vertically extending from the floor flange 2 for the toilet is inserted and fitted on the inner peripheral portion of the tubular body 1. 4 is provided, and two types of drain pipes 5a of large and small are provided on the outer periphery of the tubular body 1,
The upper end of 5c is provided with a large-diameter drain pipe connecting portion 6 and a small-diameter drain pipe connecting portion 7 which can be fitted and fitted. In this case, the tubular body 1 includes an outer tubular portion 26 and an inner tubular portion 27. And the outer cylinder portion 26 has a large-diameter drain pipe connection portion 6 and the inner cylinder portion 27 has a small-diameter drain pipe connection portion 7.
The upper end edges of the inner cylinder portion 27 and the inner cylinder portion 27 are joined by a brim piece portion 28 that can be cut.

In the toilet drainage pipe connection adapter, the entire inner circumference of the inner tubular portion 27 serves as the inner circumferential connecting portion 4, and a plurality of cutout openings 29 are formed in the lower edge portion of the inner tubular portion 27. Further, the flange piece 28 is formed with a circumferentially intermittent cut groove 30, and the flange piece 28 can be easily cut along the cut groove 30.

Further, in the toilet drainage pipe connecting adapter, the vertical connecting cylinder portion 3 vertically extending from the toilet floor flange 2 is inserted and fitted into the inner peripheral connecting portion 4, and as shown in FIG. It is inserted into the large drainage pipe 5a, and the large diameter drainage pipe connecting portion 6 on the outer circumference of the outer tubular portion 26 is fitted to the inner periphery of the drainage pipe 5a.
As shown in 13, the outer tubular portion 26 is cut and removed in the collar piece portion 28, only the inner tubular portion 27 is inserted into the drain pipe 5c having a small inner diameter, and the inner tubular portion 27 is provided on the inner periphery of the drain pipe 5c. The small-diameter drainage pipe connecting portion 7 on the outer periphery is fitted, and the connection is selectively performed. Also, in this case, the flange portion 9 of the toilet floor flange 2
A concave groove portion 31 is formed on the inner peripheral back side of the container, and the flange piece 28 of the toilet drainage pipe connecting adapter is accommodated in the concave groove portion 31.

Further, in the above-mentioned embodiment, the large diameter fitting portion 24 and the small diameter fitting portion 25 are provided stepwise in the vertical direction on the outer circumference of the hanging connection tubular portion 3 of the toilet floor flange 2. However, in the toilet floor flange 2 of the embodiment, as shown in FIG. 12, the outer periphery of the drooping connection tubular portion 3 is formed into a single upright surface.

Therefore, in the toilet drainage pipe connection adapter of this embodiment, in particular, the tubular body 1 is formed in a double tubular shape with the outer tubular portion 26 and the inner tubular portion 27, and the outer periphery of the outer tubular portion 26 is The outer diameter of the inner cylinder portion 27 becomes the small diameter drainage pipe connection portion 7 as well as the large diameter drainage pipe connection portion 6, and a flange piece portion 28 capable of cutting the upper end edge between the outer cylinder portion 26 and the inner cylinder portion 27. As shown in FIG. 9, the upper end of the drainage pipe 5a is fitted and fitted to the large diameter drainage pipe connecting portion 6 on the outer periphery of the outer tubular portion 26 as it is as shown in FIG. Which is correspondingly connected to the certain drain pipe 5a,
Further, as shown in FIG. 13, the outer tubular portion 26 is cut and removed at the collar piece portion 28, and the upper end portion of the drain pipe 5c is fitted and fitted to the small diameter drain pipe connecting portion 7 on the outer periphery of the inner tubular portion 27, It can be correspondingly connected to the drain pipe 5c having a small inner diameter.

Further, in this embodiment, as shown in FIG. 15, a cylindrical auxiliary adapter 32 having the same inner diameter as the small diameter drain pipe connecting portion 7 of the toilet drain pipe connecting adapter and a constant wall thickness is prepared. Then, as shown in FIG. 14, the auxiliary adapter 32 has a small diameter drainage pipe connecting portion 7 on the outer periphery of the inner cylinder portion 27 of the toilet drainage pipe connecting adapter in which the outer cylinder portion 26 is cut and removed.
To the outer periphery of the auxiliary adapter 32, the upper end of a drain pipe 5b having an inner diameter smaller than the drain pipe 5a and larger than the drain pipe 5c is fitted and fitted to the drain pipe 5b having a different inner diameter. Corresponding can be connected. In addition, as shown in FIG. 16, the floor flange 2 for the toilet without connecting the toilet drain pipe connection adapter
The drain pipe 5d having a smaller inner diameter can be directly connected to the outer periphery of the drooping connection tubular portion 3.

Further, the toilet drainage pipe connecting adapter shown in FIGS. 17, 18, 19, 20, and 21 is an embodiment of the present invention, and is defined in claims 1), 3), and 4). It is an example of the description.

That is, the toilet drainage pipe connection adapter of this embodiment has an inner peripheral connecting portion into which the vertical connecting cylinder portion 3 vertically extending from the floor flange 2 for the toilet is inserted and fitted to the inner peripheral portion of the cylindrical body 1. 4 is provided, and two types of drain pipes 5a of large and small are provided on the outer periphery of the tubular body 1,
The upper end of 5c is provided with a large-diameter drain pipe connecting portion 6 and a small-diameter drain pipe connecting portion 7 which can be fitted and fitted. In this case, the tubular body 1 includes an outer tubular portion 26 and an inner tubular portion 27. And the outer cylinder portion 26 has a large-diameter drain pipe connection portion 6 and the inner cylinder portion 27 has a small-diameter drain pipe connection portion 7.
The upper end edge of the outer tubular portion 26 is connected to the upper end edge of the inner tubular portion 27 by a severable collar piece portion 28. A matching auxiliary cylinder portion 33 is erected upright through a severable rib piece portion 34.

The toilet drainage pipe connecting adapter is of the same construction as the toilet drainage pipe connecting adapter of the above-mentioned embodiment, in which an auxiliary cylinder portion 33 is erected through a rib piece portion 34. A plurality of slits 35 are formed between the rib pieces 34 so that they can be easily cut.

Therefore, particularly in the toilet drainage pipe connection adapter of the embodiment, the auxiliary cylindrical portion 33 whose outer peripheral diameter of the outer cylindrical portion 26 and its inner peripheral diameter match the upper end edge of the outer cylindrical portion 26 can be cut. Since it is erected via the rib portion 34, the same as the toilet drainage pipe connection adapter of the above-described embodiment, FIG.
As shown in FIG. 20, in addition to being connected to two types of drain pipes 5b and 5c of large and small diameters, as shown in FIG.
By cutting at 34 and fittingly fitting the auxiliary tubular portion 33 to the outer circumference of the outer tubular portion 26, the drain pipe 5a having a larger inner diameter is fitted and fitted to the outer circumference of the auxiliary tubular portion 33. Correspondingly connected.

Further, in this embodiment, the auxiliary cylinder portion 33 is unnecessary except for the connection form shown in FIG. 21, so that the auxiliary cylinder portion 33 is cut and removed alone or together with the outer cylinder portion 26. Or, the adapter for connecting the drainage pipe of the toilet is used. Also, as shown in FIG. 22, the drain pipe 5d having a smaller inner diameter can be directly attached to the outer circumference of the hanging connection tube portion 3 of the floor flange 2 for the toilet without connecting the toilet drain pipe connection adapter. Can be connected.

The types of pipes used in each of the above embodiments are as follows: drain pipe 5a is VU100, drain pipe 5b is VP.
100, the drain pipe 5c is VU75, and the drain pipe 5d is VP75. In this case, the outer diameter of VU100 and VP100 is 1
It is the same size as 14mm, but the inner diameter is 107m because the wall thickness is different.
Different from m and 100 mm, and also VU75 and VP75
Means that the outer diameter is the same as 89 mm, but the inner diameter is 83 mm and 77 mm because the wall thickness is different.

[0035]

As described above, in the toilet drainage pipe connection adapter of the present invention, a large diameter drainage pipe connection portion and a small diameter drainage pipe connection portion to which the upper ends of two types of drainage pipes, large and small, can be fitted and fitted on the outer periphery of the tubular body. Since the drainage pipe connection portion is provided, two types of drainage pipes having different inner diameters, large and small, can be selectively fitted and fitted to the same large diameter drainage pipe connection portion or the small diameter drainage pipe connection portion to be connected accordingly. Therefore, it is possible to handle two types of drainage pipes with a single article, facilitate parts management, improve production efficiency, and reduce order mistakes during construction.

Further, in the toilet drainage pipe connecting adapter according to claim 2) of the present invention, in particular, the large diameter drainage pipe connecting portion and the small diameter drainage pipe connecting portion are arranged in a step shape above and below the outer periphery of the cylindrical body. Since it is provided, it can be connected to drain pipes having different diameters depending on the insertion depth of the tubular body into the drain pipe.

Further, in the toilet drainage pipe connection adapter according to claim 3) of the present invention, in particular, the tubular body is formed in a double tubular shape including an outer tubular portion and an inner tubular portion, and the outer periphery of the outer tubular portion. Is a large-diameter drain pipe connection part, and the outer circumference of the inner cylinder part is a small-diameter drain pipe connection part, and the outer cylinder part and the inner cylinder part are connected by a flange piece that can be cut. , The upper end portion of the drainage pipe is fitted and fitted to the large-diameter drainage pipe connecting portion on the outer periphery of the outer cylinder part as it is, and is connected correspondingly to the drainage pipe having the large inner diameter. One in which the outer cylinder part is cut and removed at the flange part and the upper end part of the drainage pipe is fitted and fitted to the small diameter drainage pipe connection part on the outer circumference of the inner cylinder part so that it can be connected correspondingly to the drainage pipe having a small inner diameter. Is.

Further, in the toilet drainage pipe connecting adapter according to claim 4) of the present invention, in particular, an auxiliary cylinder portion having an outer peripheral diameter of the outer cylindrical portion and an inner peripheral diameter thereof matches the upper end edge of the outer cylindrical portion. Since it is erected via a severable rib piece, like the adapter for connecting a drainage pipe of the above-mentioned claim 3), in addition to correspondingly connecting to two types of drain pipes of large and small diameters, an auxiliary cylinder By cutting the portion at the rib piece and fittingly fitting the auxiliary cylinder to the outer circumference of the outer cylinder, the drain pipe having a larger inner diameter is fitted and fitted to the outer circumference of the auxiliary cylinder. Correspondingly connected.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a connected state of a toilet drain pipe connection adapter that is an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing the toilet drainage pipe connection adapter.

FIG. 3 is an exploded perspective view showing a construction form of the toilet drainage pipe connection adapter.

FIG. 4 is a plan view showing a floor flange for a toilet in the same embodiment.

FIG. 5 is a cross-sectional view of essential parts showing a state in which the flush toilet of the same embodiment is installed.

FIG. 6 is a cross-sectional view showing another connection state of the toilet drainage pipe connection adapter.

FIG. 7 is a cross-sectional view showing still another connection state of the toilet drainage pipe connection adapter.

FIG. 8 is a cross-sectional view showing still another connection state of the toilet drainage pipe connection adapter.

FIG. 9 is a cross-sectional view showing a connected state of a toilet drainage pipe connection adapter which is another embodiment of the present invention.

FIG. 10 is a perspective view showing the adapter for connecting the drainage pipe of the toilet.

FIG. 11 is a cross-sectional view showing the toilet drainage pipe connection adapter.

FIG. 12 is a sectional view showing a floor flange for a toilet in the same embodiment.

FIG. 13 is a cross-sectional view showing another connection state of the toilet drainage pipe connection adapter.

FIG. 14 is a cross-sectional view showing still another connection state of the toilet drainage pipe connection adapter.

FIG. 15 is a perspective view showing an auxiliary adapter used in the same connected state.

FIG. 16 is a cross-sectional view showing still another connection state of the toilet drainage pipe connection adapter.

FIG. 17 is a cross-sectional view showing a connected state of a toilet drainage pipe connection adapter which is still another embodiment of the present invention.

FIG. 18 is a perspective view showing the adapter for connecting the drainage pipe of the toilet.

FIG. 19 is a cross-sectional view showing the toilet drainage pipe connection adapter.

FIG. 20 is a cross-sectional view showing another connection state of the toilet drainage pipe connection adapter.

FIG. 21 is a cross-sectional view showing still another connection state of the toilet drainage pipe connection adapter.

FIG. 22 is a cross-sectional view showing still another connection state of the toilet drainage pipe connection adapter.

[Fig. 23] Fig. 23 is a cross-sectional view showing a connected state of a toilet drainage pipe connection adapter that is a conventional example of the present invention.

[Explanation of symbols]

 1 Tubular body 2 Toilet floor flange 3 Hanging connection tubular part 4 Inner peripheral connection part 5a Drain pipe 5b Drain pipe 5c Drain pipe 5d Drain pipe 6 Large diameter drain pipe connection 7 Small diameter drain pipe connection 26 Outer cylinder part 27 In Cylindrical section 28 Collar piece section 33 Auxiliary cylinder section 34 Rib piece section

Claims (4)

[Claims] 1. An inner peripheral connecting portion, into which a vertical connecting cylindrical portion vertically extending from a floor flange for a toilet is inserted and fitted, is provided on the inner peripheral surface of the cylindrical body, and two types of drainage, large and small, are provided on the outer periphery of the cylindrical body. A toilet drainage pipe connection adapter having a large diameter drainage pipe connection part into which the upper end of the pipe can be fitted and fitted, and a small diameter drainage pipe connection part. 2. The toilet drainage pipe connection adapter according to claim 1, wherein the large-diameter drainage pipe connection portion and the small-diameter drainage pipe connection portion are arranged stepwise above and below the outer periphery of the tubular body. An adapter for connecting the toilet drain pipe. 3. The toilet drainage pipe connecting adapter according to claim 1), wherein the tubular body is formed into a double tubular shape including an outer tubular portion and an inner tubular portion, and the outer circumference of the outer tubular portion is a large diameter drainpipe. Toilet drainage characterized by forming a connecting portion and forming a small-diameter drain pipe connecting portion on the outer periphery of the inner tubular portion, and connecting the outer tubular portion and the inner tubular portion with a flange piece that can be cut off. Adapter for pipe connection. 4. The toilet drainage pipe connecting adapter according to claim 3), wherein a rib piece capable of cutting an auxiliary cylinder portion whose outer peripheral diameter and inner diameter match the upper end edge of the outer cylindrical portion. An adapter for connecting a toilet drainage pipe, which is characterized by being installed upright through a section.