JP2020111921A - Wall-hanging toilet bowl - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wall-mounted toilet bowl capable of connecting a drain outlet of a toilet body and a drainage main even when a drain core is displaced, and flexibly responding to the displacement of the drain core while ensuring suitable drainage performance. To provide.
A vertical portion of a drainage flow path R that connects a drainage hole of a toilet body and a drainage main pipe connection portion 23 of an underfloor drainage structure is formed by a bellows pipe 51. Further, inside the bellows tube 51, there is provided a return section 54 which projects from the inner surface to the inside in the radial direction of the axis O1 center of the bellows tube 51 rather than the valley section 51a of the bellows tube 51 and hangs down.
[Selection diagram] Fig. 9

Description

The present invention relates to a wall-mounted toilet bowl.

BACKGROUND ART Conventionally, there is a wall-mounted toilet bowl (a wall-mounted toilet device) in which a rear end side is connected to a fixed frame installed on the wall side of a toilet room and a toilet body is provided in a cantilever state.

For wall-mounted toilets, for example, a low tank is supported by a fixed frame together with the toilet body, and a drain pipe is connected to the drain port (drain hole) provided on the rear end side of the toilet body to fix the fixed frame, low tank, and drainage. The pipes and the like are housed in a toilet cabinet that includes a counter panel (top plate) and a front panel.

As a result, only the toilet body is exposed in the toilet room in a cantilevered state, and it is possible to improve the design and the like in the toilet room compared to a normal floor-mounted toilet device. Since a space is formed between the surfaces, it becomes possible to improve maintainability such as cleaning.

Here, in the wall-mounted toilet bowl, a telescoping type drainage pipe that can be expanded and contracted is connected to the discharge hole of the toilet body at one end side, and the other end side is slidable in the vertical direction. Connection member) and is disposed (see, for example, Patent Document 1). In this wall-mounted toilet, for example, a telescoping type drain pipe and a drain main are placed inside a rubber bellows pipe, and the drain pipe connected slidably and the lower side of the drain main are arranged. The connection part is covered with a bellows tube and sealed.

This makes it possible to adjust the vertical position by expanding and contracting the drainage pipe, and at the time of expansion and contraction, the odor leaked from the connection between the slidably connected drainage pipe and the drainage main can be diffused into the toilet room. It can be prevented by a bellows tube.

JP, 2009-084889, A

On the other hand, there are cases in which the toilet drainage core is misaligned depending on the conditions and conditions of the site where the wall-mounted toilet is installed.

On the other hand, in the above-mentioned conventional wall-mounted toilet bowl, it is necessary to slidably connect the telescoping type drain pipe, which is expandable and contractible, to the drain main pipe (connection member on the drain main pipe side). If this happens, it becomes impossible to connect the drain pipe and the drain main. For this reason, there has been a strong demand for a wall-mounted toilet bowl that can flexibly cope with the displacement of the drainage core while ensuring the vertical position adjustment function.

The present invention is a wall-mounted toilet bowl that can connect the drain outlet of the toilet body and the drain main even if the drain core is displaced, and can ensure suitable drainage performance while flexibly responding to the displacement of the drain core. The purpose is to provide.

Means for connecting the drainage outlet of the toilet body and the drainage main pipe even if the drainage wick is misaligned and ensuring suitable drainage performance while flexibly responding to the misalignment of the drainage wick The present invention has been completed and the present invention has been completed.

(1) The present invention relates to a drainage hole (for example, a drainage hole 4b described later) of a toilet body (for example, a toilet body 4 described later) and a drainage main pipe connection portion of an underfloor drainage structure (for example, a drainage main pipe connection portion described below). 23), a vertical portion of a drainage flow path (for example, a drainage flow path R described later) is formed by a bellows tube (for example, a bellows tube 51 described below).

(2) The present invention according to the above (1), wherein the bellows tube has an axis (for example, described later) inside the bellows tube rather than a valley (for example, a valley 51a described below) of the bellows tube from an inner surface inside. A return portion (for example, a return portion 54 described later) may be provided so as to project radially inward of the center of the axis O1) and hang down.

(3) The present invention according to (1) or (2) above, wherein the bellows tube has an annular shape that is recessed upward, extends in the circumferential direction, and fits an upper end of the drainage mains connection section. A fitting groove portion (for example, a fitting groove portion 53 described later) may be provided.

(4) The present invention according to any one of (1) to (3) above, wherein the bellows pipe and an upper pipe (for example, an elbow pipe 50 described later) and/or a lower pipe serving as the drainage main pipe connection portion. Locking portions (for example, a locking portion 55 described below) and locking receiving portions (for example, a locking portion 55, which are fitted and connected to each other and are locked in a vertical direction (for example, a vertical direction T3 described below). A lock receiving portion 56) described later may be provided.

(5) In the present invention according to any one of (1) to (4) above, an inner diameter (for example, an inner diameter d1 described later) of a crest portion (for example, a mountain portion 51b described later) of the bellows tube is the bellows tube. The inner diameter of the upper pipe (for example, an elbow pipe 50 described later) connected to the upper end of the pipe and the lower pipe (for example, a drainage main pipe connection portion 23 described later) connected to the lower end of the bellows pipe (for example, the below described May be larger than the inner diameters d2 and d3.

(6) The present invention according to any one of (1) to (5) above, in which an inner diameter of a valley portion of the bellows tube (for example, an inner diameter d4 described later) and an upper pipe connected to an upper end portion of the bellows tube are connected. And the inner diameter of the lower pipe connected to the lower end of the bellows pipe, the inner diameter of the upper pipe connected to the upper end of the bellows pipe>the inner diameter of the valley of the bellows pipe>the lower end of the bellows pipe It may be configured to have the inner diameter of the lower pipe connected to the section.

ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to flexibly respond|correspond flexibly and it can exhibit drainage performance suitably, even when a misalignment of a drainage core arises.

It is a front view showing a toilet room and a wall-mounted toilet according to one embodiment of the present invention. It is a top view which shows the wall-mounted toilet bowl which concerns on one Embodiment of this invention. It is a side view which shows the wall-mounted toilet bowl which concerns on one Embodiment of this invention. It is a perspective view showing a wall-mounted toilet bowl concerning one embodiment of the present invention. It is a perspective view showing a fixed frame of a wall-mounted toilet according to one embodiment of the present invention. It is a perspective view which shows the drainage part of the wall-mounted toilet bowl which concerns on one Embodiment of this invention. It is a side view which shows the drainage part of the wall-mounted toilet bowl which concerns on one Embodiment of this invention. It is a perspective view showing the state where the upper piping and the lower piping of the drainage part of the wall-mounted toilet according to one embodiment of the present invention were connected by a bellows tube. It is sectional drawing which shows the connection part of piping above and the piping below and the bellows pipe of the drainage part of the wall-mounted toilet which concerns on one Embodiment of this invention.

Hereinafter, a wall-mounted toilet device (a wall-mounted toilet device) according to an embodiment of the present invention will be described with reference to FIGS. 1 to 9.

Here, FIG. 1 is a view showing the inside of a toilet room 100 in which the wall-mounted toilet 2 of the present embodiment is installed. The toilet room 100 of the present embodiment is a substantially rectangular space and the longitudinal direction is the toilet room. It is along a front-rear direction T1 that connects an entrance (not shown) on the front side of 100 and a rear wall 101 on the back side facing the entrance.

The toilet room 100 includes a rear wall 101 on the back side, a pair of side walls 102 on one side and the other side in the width direction T2 of the rear wall 101, a front wall (not shown) provided with an entrance door, and a floor structure 103. And is configured.

Further, as shown in FIG. 2, the toilet room 100 is configured by providing a corner post 104 of a pillar material of a building member at each corner, and on the back wall of the rear wall 101 provided at both corners in the width direction T2. A reinforcing base (reinforcing tree) 105 is arranged so as to bridge the pair of left and right corner posts 104. Further, a pillar side receiving tree 106 is attached to each corner pillar 104. The pillar side receiving tree 106 is extended along the up-down direction.

In the present embodiment, the vertical direction T3 is the vertical direction, and the width direction T2 means the lateral direction connecting the left and right from the entrance side of the toilet room 100 toward the rear wall 101.

As shown in FIGS. 1 to 3, the toilet room 100 is provided with a wall-mounted toilet 2 including a toilet cabinet 3 and a toilet body 4, and the toilet cabinet is integrated with the rear wall 101 on the back side. 3 is provided so that the toilet body 4 cantilevers from the front panel 3a of the toilet cabinet 3 in a cantilevered manner.

Specifically, the wall-mounted toilet 2 of the present embodiment includes a toilet body 4, a toilet seat 5 and a toilet lid 6, a fixed frame 8 that supports the toilet body 4 and a raw tank 7, and a low tank 7 that supplies water to the toilet body 4. And a water supply unit 10 including a water supply pipe 9, a drainage unit 12 for discharging drainage from the toilet body 4 to the drainage main pipe 11, a fixed frame 8, a water supply unit 10, a toilet cabinet 3 for accommodating the drainage unit 12, etc. And is configured.

As shown in FIG. 4, the toilet body 4 is a container such as a pottery having a concave bowl portion 4a with an open top, and has a drain hole (drainage port) 4b at the bottom of the bowl portion 4a for discharging dirt and the like. Is formed. Further, the toilet body 4 is provided with a trap portion 4c, and a drain hole 4b is formed on the rear end side (back surface side) of the toilet body 4 through the trap portion 4c.

As shown in FIGS. 1 to 4, the toilet seat 5 is a member that is disposed on the toilet body 4 and is seated by the user, and the toilet lid 6 covers the upper opening of the bowl portion 4 a of the toilet body 4. The lid members are connected to each other by a hinge portion arranged on the rear side of the toilet body 4, and are rotatable around a rotation axis along the width direction T2 of the hinge portion, and by extension, open and close the bowl portion 4a of the toilet body 4. It is possible.

As shown in FIGS. 4 and 5 (FIGS. 1 to 3 ), the fixed frame 8 connects the rear end side of the toilet body 4 to support the toilet body 4 in a cantilevered state and the low tank 7 (the water supply portion 10). ) Is supported, and a connection support portion 16 for connecting and supporting the frame body portion 15 to a building member such as a corner pillar 104, a reinforcing base 105, and a pillar side receiving tree 106. ing.

The frame main body portion 15 is connected to a pair of vertical members (vertical bars) 17 and 18 which are erected at a predetermined interval in the width direction T2 and upper end portions of the pair of vertical members 17 and 18, and is connected to the width direction T2. The horizontal member (upper bar) 19 extended to the lower member and the horizontal member 19 are disposed below the horizontal member 19. One end is connected to one vertical member 17 and the other end is connected to the other vertical member 18, and the width direction T2. And a connecting horizontal member (lower crosspiece) 20 installed along the above.

The frame main body 15 is formed by using, for example, the vertical members 17 and 18 of square steel pipes, the horizontal member 19 of an L-shaped angle, and the connecting horizontal member 20 of a U-shaped sheet metal. The horizontal member 19 does not necessarily have to be an L-shaped angle, and may be, for example, an angle other than an L-shaped (other shaped steel material: need not be limited to steel material).

The frame main body portion 15 of the present embodiment is arranged such that one side of the L-shaped angle piece 19a of the horizontal member 19 faces the plate surface in the front-rear direction T1 and is in surface contact with the front surfaces of the pair of vertical members 17, 18. The other piece 19b is arranged such that its plate surface is directed in the vertical direction T3 so as to come into contact with the upper ends of the pair of vertical members 17, 18, while using a suitable means such as welding or bolt joining, the pair of vertical members 17b. , 18 are integrally connected and fixed.

In the frame main body portion 15, the horizontal members 19 are formed with a width dimension (length) larger than the distance between the pair of vertical members 17, 18, and one end portion side of the horizontal members 19 is outside the one vertical member 17 in the width direction T2. Further, the other end side of the horizontal member 19 is formed so as to extend outward of the other vertical member 18 in the width direction T2. As a result, the frame body portion 15 is formed to have a substantially torii shape.

Further, the frame main body portion 15 is attached with a toilet fixing bolt 21 projecting forward at a predetermined height position of each of the pair of vertical members 17, 18. As a result, the frame main body portion 15 is disposed on the front side of the frame main body portion 15 by inserting the toilet fixing bolt 21 into the bolt insertion hole provided on the rear end side of the toilet main body 4 and fastening the nut. The main body 4 is configured to be connected and supported in a cantilever state.

A tank support member 22 that supports the raw tank 7 is detachably attached to the frame body portion 15.

The tank support member 22 is formed on the rear side of the frame main body 15 so as to support the low tank 7 by mounting it on the mounting table 22a. For example, the tank support member 22 is formed in a pair of vertical members 17 and 18, respectively. It is disposed on the rear side of the frame main body 15 by, for example, bolting to the bolt insertion hole.

In the present embodiment, each of the pair of vertical members 17 and 18 is provided with a plurality of bolt insertion holes at predetermined intervals in the vertical direction T3, and bolts are joined by using any bolt insertion holes, so that the tank The height position of the mounting table 22a of the support member 22 and thus the installation position of the raw tank 7 can be arbitrarily adjusted.

The connection support portion 16 for connecting and supporting the frame body portion 15 to the building members such as the corner pillar 104, the reinforcing base 105, and the pillar side receiving tree 106 is shown in FIGS. ), a lower connecting portion 30 for connecting the lower end portions of the pair of vertical members 17, 18 of the frame main body portion 15 to the floor structure 103 of the toilet room 100, and a horizontal member (upper portion of the frame main body portion 15). The crosspiece 19 is connected to the rear wall-side building member (104, 105, 106).
In addition, the "reinforcing tree", "reinforcing base", and "column-side receiving tree" in the present embodiment are not necessarily wood and wood materials, and are "reinforcing material", "reinforcing base material", and "column side", respectively. Means "receiving material".

The lower connection part 30 includes a mounting plate 30a mounted on the lower ends of the vertical members 17, 18 by welding or the like, and is screwed to the floor structure 103 through a through hole formed through the mounting plate 30a, for example. Then, the frame main body portion 15 is supported in a vertically erected state.

In the case of a wooden house, for example, in the case of a wooden house, the floor structure 103 of the present embodiment that connects the lower connecting portion 30 and supports the frame main body portion 15 has two parallel pulls and a predetermined interval above the pull. A plurality of joists that are opened and integrally arranged and arranged side by side at right angles to the pulling, water-resistant plywood that is installed and laid on these joists, and a veneer that is attached to the entire upper surface of the water-resistant plywood. And is configured.
Further, the floor structure 103 is provided with a drain pipe insertion hole 32 penetrating from the upper surface to the lower surface at a predetermined position.

The upper connection portion 31 is provided with a reinforcing tree 35 that is disposed on the rear wall side with a space from the frame body 15 to the rear side, and a connecting member 36 that connects the reinforcing tree 35 and the cross member 19 of the frame body 15. And for fixing the reinforcing tree 35 by connecting both ends of the reinforcing tree 35 extending horizontally in the width direction T2 and the building members (104, 105, 106) on the rear wall side. And a fixture 37.

The reinforcing tree 35 is formed, for example, in the shape of a rectangular flat plate, and the rear surface of the reinforcing tree 35 is in surface contact with the wall material of the rear wall 101 of the toilet room 100, and the longitudinal direction of the width direction T2 is arranged horizontally. The reinforcing tree 35 is arranged at a height position facing the cross member 19 of the frame body 15. The reinforcing tree 35 is used by adjusting it to a length suitable for the site by cutting or the like according to the width dimension of the wall material of the rear wall 101 constituting the toilet room 100 and the interval between the pair of left and right corner posts 104. ..

The connecting member 36 is, for example, a full threaded bolt (a threaded bolt partially provided with a threaded portion may be used), and is attached to the nut with plate 38 fixed to the front surface of the reinforcing tree 35 with a screw or the like. One end is screwed, and the other end is inserted through a bolt insertion hole formed through one piece 19a of the horizontal member 19 of the frame main body 15 facing the front-rear direction T1 and the nut is screwed. Further, in the present embodiment, the bolt insertion holes are formed through both end portions (each extension portion 19c) of the horizontal member 19 of the frame main body portion 15 extending outward in the width direction T2 with respect to the vertical members 17 and 18. A nut 38 with a plate is arranged at a position of the reinforcing tree 35 facing each other in the front-rear direction T1 in each bolt insertion hole.

As a result, the left and right connecting members 36, which are a pair of all-screw bolts, are arranged in parallel at the same height position, and have a predetermined gap larger than the gap between the pair of vertical members 17, 18 of the frame body 15. The reinforcing tree 35, which is provided separately and is in surface contact with a predetermined position of the wall material of the rear wall 101, connects the horizontal member 19 of the frame main body portion 15 (the upper end portion side of the frame main body portion 15).

The distance between the pair of left and right connecting members 36 in the width direction T2 and the distance between the frame body 15 and the rear wall 101 in the front-rear direction T1 are set such that the low tank 7 is slanted through the pair of left and right connecting members 36. It is sized so that it can be put in and taken out up and down without.

Further, since the connecting member 36 is a full-screw bolt, it is possible to freely adjust the distance between the reinforcing member 35 and the frame body 15 in the front-rear direction T1. As a result, it becomes possible to freely adjust the installation position of the frame body portion 15 and thus the installation position of the toilet body 4. Further, when the rear wall 101 is uneven or the like, by adjusting the lengths of the pair of connecting members 36, the reinforcing member 35 and the frame main body portion 15 can be preferably positioned and arranged. .. That is, it is possible to arrange the fixed frame 8, the frame main body 15, the toilet main body 4, etc. flexibly in accordance with the situation and conditions of the site.

On the other hand, in the frame body portion 15, as shown in FIGS. 5 and 6 (FIGS. 3 and 4), the drainage hole 4b of the toilet body 4 and the drainage main pipe connecting portion (lower pipe ) 23 is attached to the drain pipe connecting member 24.

The drainage pipe connecting member 24 is provided with a fixing plate portion 25 which is connected between the pair of vertical members 17 and 18 at both side ends thereof and is installed between the pair of vertical members 17 and 18. Further, the drainage pipe connecting member 24 is formed in a substantially cylindrical shape, is integrally provided so as to penetrate through the center of the fixing plate portion 25, and is a toilet drainage hole connecting portion that is arranged so as to project to the front side of the frame main body portion 15. 26 is fitted and fixed to the drainage hole 4b of the toilet body 4, and the pipe 28 is fitted and fixed to the pipe connecting portion 27 that is arranged so as to project to the rear side of the frame body portion 15. The hole 4b and the drainage main pipe 11 are connected and communicated with each other.

In the wall-mounted toilet 2 of this embodiment, as shown in FIG. 7 to FIG. 9 (FIG. 6), the elbow pipe 50 of the pipe 28 connected to the drain hole 4b of the toilet body 4 and the drain main connection part 23 of the underfloor drainage structure. The vertical portion of the drainage flow path connecting with and is formed by the bellows tube 51.

That is, the toilet drain hole connecting portion 26 of the drain pipe connecting member 24 is connected to the drain hole 4b of the toilet body 4, the elbow pipe 50 is connected to the pipe connecting portion 27 of the drain pipe connecting member 24, and the lower end portion of the elbow pipe 50 is connected. The bellows pipe 51 is arranged by connecting the upper end portion side to the side and the lower end portion side to the upper end portion side of the drainage main pipe connecting portion 23, respectively. Thereby, in the wall-mounted toilet 2 of this embodiment, the inside of the bellows tube 51 serves as the drainage flow path R.

Further, the bellows pipe 51 is connected to the lower end side of the elbow pipe 50 (upper pipe 28) and the upper end side of the drainage main pipe connecting portion (lower pipe) 23, respectively, using, for example, a hose band 52 or the like. There is.

As shown in FIG. 9, on the lower end side of the bellows tube 51, an annular fitting groove portion 53 is provided which is recessed upward from the lower end and extends in the circumferential direction. A portion of the bellows tube 51 that forms the fitting groove portion 53 and projects downward inward in the radial direction about the axis O1 of the bellows tube 51 is referred to as a return section 54. The return section 54 projects radially inward of the valley section 51a of the bellows tube 51. , Is formed to extend.

The bellows tube 51 is connected to the drain main connecting section 23 by fitting the upper end of the drain main connecting section 23 into the fitting groove section 53 on the lower end side and tightening the hose band 52.

Next, the upper end side of the bellows tube and the lower end side of the elbow pipe 50, which is the upper pipe 28, are engaged with each other and connected to each other, and an engaging portion 55 is engaged in the up-down direction T3, and an engaging portion 55 is engaged. A receiving portion 56 is provided.

The bellows pipe 51 has its upper end side fitted to the lower end side of the elbow pipe 50, and has the lock receiving portion 56 (or the lock portion 55) fitted to the lock portion 55 (or the lock receiving portion 56) of the elbow pipe 50. ) And are locked to each other in the vertical direction T3, they are fastened with the hose band 52 and connected to the elbow pipe 50. In addition, in the present embodiment, the locking receiving portion 56 of the bellows tube 51 is formed by the inner recess of the mountain portion 51b of the bellows tube.

In the wall-mounted toilet 2 of the present embodiment, the inner diameter d1 of the mountain portion 51b of the bellows tube 51 is the inner diameter d2 of the upper pipe 28 (elbow tube 50 in the present embodiment) connected to the upper end of the bellows tube 51, and the bellows. The diameter is set to be larger than the inner diameter d3 of the lower pipe (in the present embodiment, the drainage main pipe connecting portion 23) connected to the lower end of the pipe 51.

In this embodiment, the inner diameter d4 of the valley portion 51a of the bellows pipe 51, the inner diameter d2 of the upper pipe 28 connected to the upper end of the bellows pipe 51, and the lower pipe (23) connected to the lower end of the bellows pipe 51. Inner diameter d3 of the upper pipe 28 connected to the upper end of the bellows pipe 51>the inner diameter d4 of the valley 51a of the bellows pipe 51>the lower pipe (23) connected to the lower end of the bellows pipe 51. It is configured to have an inner diameter d3.

In the wall-mounted toilet 2 of the present embodiment having the above-described configuration, the upper pipe 28 (elbow pipe 50) connected to the drain hole 4b of the toilet body 4 and the drain main connecting portion 23 (lower bottom) of the underfloor drainage structure. Even if the drain core (axis) of the pipe 28 and the drain main connecting portion 23 is misaligned because the vertical portion of the drain flow path connecting the pipe and the drain main is formed by the bellows pipe 51. The deviation can be absorbed by the bellows tube 51.

As a result, even if the drainage core is misaligned, the drainage performance can be flexibly dealt with and the drainage performance can be suitably exhibited.

Further, in particular, when the position of the frame main body portion 15 is configured to be adjustable by the all-screw bolts of the connecting member 36 so as to flexibly respond to the situation and conditions of the site as in the present embodiment, the adjustment can be performed by this adjustment. Although the relative positions of the drainage pipe insertion hole 32 of the floor structure 103 and the drainage main pipe connection portion 23 are changed, the bellows pipe 51 causes the upper pipe 28 (elbow pipe 50) and the drainage pipe below the underfloor drainage structure. The pipe connection portion 23 (the lower pipe, the drainage main pipe) can be reliably and appropriately connected.

In the wall-mounted toilet 2 of the present embodiment, a return portion 54 is provided inside the bellows tube 51 so as to protrude from the inner surface to a radial inner side of the axis O1 center of the bellows tube 51 rather than the valley portion 51a of the bellows tube 51. Therefore, even when the drainage flow path R is formed by the bellows pipe 51 having a plurality of peaks 51b and valleys 51a, the drainage (dirt) is smoothly circulated to the drainage main side and discharged. It will be possible. In addition, by allowing the drainage (dirt) to flow smoothly in this way, it is possible to prevent accumulation of residue such as dirt inside the bellows tube 51 (inner surface), and to prevent water from flowing around the water stop portion. Can be

In the wall-mounted toilet 2 of the present embodiment, an annular fitting groove 53 is provided at the lower end of the bellows tube 51 so as to be recessed upward and extend in the circumferential direction to fit the upper end of the drainage main pipe connection portion 23. By doing so, the lower end side of the bellows tube 51 is positioned by the fitting groove portion 53, and it is possible to prevent the lower end side of the bellows tube 51 from deeply fitting to the lower side of the drainage main pipe connecting portion 23. The lower end portion of 51 and the drainage main pipe connection portion 23 can be suitably connected. As a result, for example, when there is an uneven marking on the outer peripheral surface of the drainage pipe connecting portion 23, the lower end portion side of the bellows pipe 51 is deeply fitted and the uneven marking portion is waterproof. It can also be prevented from being installed in the section.

In the wall-mounted toilet 2 of the present embodiment, the bellows pipe 51 and the upper pipe 28 (and/or the lower pipe that serves as the drainage main pipe connecting portion 23) are connected to each other by fitting them in the vertical direction. A locking portion 55 and a locking receiving portion 56 that are locked to T3 are provided.
As a result, the upper pipe 28 (or the lower pipe) and the bellows pipe 51 can be firmly connected, and the bellows pipe 51 can be reliably prevented from being pulled out.

In the wall-mounted toilet 2 of the present embodiment, the inner diameter d1 of the mountain portion 51b of the bellows pipe 51 is larger than the inner diameters d2 and d3 of the upper pipe 28 and the lower pipe (drain main connection 23). Even when the drainage channel R is formed by the bellows pipe 51 having a plurality of peaks 51b and valleys 51a, drainage (dirt) should be more reliably and smoothly circulated to the drainage main side and discharged. Will be possible. Further, it is possible to more reliably suppress the accumulation of residues such as dirt inside the bellows tube 51.

In the wall-mounted toilet 2 of the present embodiment, the inner diameter d2 of the upper pipe 28>the inner diameter d4 of the valley portion 51a of the bellows pipe 51>the inner diameter d3 of the lower pipe (23), so that drainage (dirt ) Can be more reliably and smoothly circulated to the drain main side and discharged. Further, it is possible to more reliably prevent the residue such as dirt from accumulating inside the bellows tube 51.

Although one embodiment of the wall-mounted toilet according to the present invention has been described above, the present invention is not limited to the above-mentioned one embodiment and can be appropriately modified within the scope of the invention.

2 Wall-mounted toilet device (wall-mounted toilet)
4 Toilet body 8 Fixed frame 15 Frame body 16 Connection support 23 Drain main connection (downward piping)
28 Piping 30 Lower Connection Part 31 Upper Connection Part 36 Connecting Member 50 Elbow Pipe (Upper Pipe)
51 bellows pipe 51a valley part 51b mountain part 53 fitting groove part 54 return part 55 locking part 56 locking receiving part 100 toilet room 101 rear wall (wall material, building member)
102 Side wall 103 Floor structure 104 Corner column (column material, building member)
105 Reinforcement base (reinforcement receiving tree, building material)
106 Pillar side tree (tree, building material)
d1 inner diameter of crest of bellows pipe d2 inner diameter of upper pipe d3 inner diameter of lower pipe d4 inner diameter of valley of bellows pipe O1 axis (drain core)
R drainage channel T1 front-back direction T2 width direction T3 vertical direction

Claims (6)

A wall-mounted toilet bowl in which the vertical portion of the drainage flow path connecting the drainage hole of the toilet body and the drainage main connection portion of the underfloor drainage structure is formed by a bellows tube. 2. The wall-mounted toilet bowl according to claim 1, wherein the bellows tube is internally provided with a bent back portion which projects from an inner surface to a radial inner side of an axis center of the bellows tube rather than a valley portion of the bellows tube. .. The ring-shaped fitting groove portion that is recessed upward and extends in the circumferential direction and that fits the upper end of the drainage main pipe connection portion is provided at the lower end portion of the bellows pipe. The wall-mounted toilet bowl described. An engaging portion and an engaging receiving portion that are fitted and connected to each other at a connecting portion of the bellows pipe and an upper pipe and/or a lower pipe serving as the drainage main pipe connecting portion and are vertically locked. The wall-mounted toilet bowl according to any one of claims 1 to 3, further comprising: The inner diameter of the peak portion of the bellows tube is larger than the inner diameters of an upper pipe connected to an upper end portion of the bellows tube and a lower pipe connected to a lower end portion of the bellows tube. The wall-mounted toilet according to any one of 4 above. The inner diameter of the valley of the bellows tube, the inner diameter of the upper pipe connected to the upper end of the bellows tube, and the inner diameter of the lower pipe connected to the lower end of the bellows tube, the upper end of the bellows tube. The inner diameter of the upper pipe to be connected>the inner diameter of the valley portion of the bellows pipe>the inner diameter of the lower pipe to be connected to the lower end of the bellows pipe, according to any one of claims 1 to 5. The wall-mounted toilet according to paragraph 1.

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