JP2009257042A - Drain pipe connecting structure for flush toilet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drain pipe connecting structure for a flush toilet which can connect a toilet drain hole of a flush toilet and an outside drain pipe with favorable workability. <P>SOLUTION: The drain pipe connecting structure A connects the toilet drain hole 41 of the flush toilet 4 and the outside drain pipe 5. The drain pipe connecting structure A comprises a floor flange 1 coming into contact with a floor face F, a connecting flange 2 connected to the toilet drain hole 41, and an adaptor 3 connecting the floor flange 1 and the connecting flange 2. A drop opening for toilet discharge water is formed at the upper surface of the floor flange 1. A vent space 11 accommodating the outside drain pipe 5 projecting from the floor face F of a toilet room is recessed in the lower surface of the floor flange. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a flush toilet apparatus, and more particularly to a drain pipe connection structure for connecting toilet drainage from a toilet to an end of an external drain pipe protruding from a floor surface.

  Conventionally, various techniques are known for the connection structure of the drainage pipe connecting the sewage drainage pipe of the flush toilet and the external drainage pipe disposed on the floor surface of the toilet room. For example, JP 2002-188206 A is known. The gazette discloses a structure in which an opening at a trap end of a sitting toilet body is connected to a floor flange disposed on the floor and communicated with an external drain pipe.

  That is, in the above publication, a trap end portion of a sitting toilet body provided with a buttock on the lower part of the toilet body substantially over the entire circumference, and an external drain pipe disposed on the floor inside the heel part. A structure for fixing a toilet bowl that is in communication with a floor flange and fixes a sitting toilet main body, wherein the trap end and / or the outer peripheral surface of the trap end and the floor flange are fixed with a sealing material, and the heel part A fixing structure for a seated toilet is described, in which a fixing member is disposed on the floor inside and the heel portion is fixed to the fixing member.

And as an effect, for example, because the position of the fixing bolt protruding from the floor flange and the fixing hole of the toilet bowl is located inside the toilet bowl, the position of the hole is difficult to see at the time of construction, and the toilet bowl and the floor flange are aligned. It describes the effect that it is possible to improve the manufacturability, appearance, cleanability, and workability of the toilet, while eliminating the drawback of being difficult to do.
JP 2002-188206 A

  However, the technique described in Patent Document 1 communicates the opening of the trap end of the stool body with the floor flange disposed on the floor inside the buttock and communicating with the external drain pipe, and Since the toilet main body is fixed, when the floor flange is positioned substantially in the same plane as the floor surface, it can be implemented as shown in FIG. When it protrudes and the flange is continuously provided in the upper end part of this external drain pipe, it cannot necessarily be said that it can implement suitably.

  The present invention has been made in view of the above-described background art, and its purpose is to provide a flush toilet and an external device when an external drainage pipe is provided so as to protrude from the floor surface when the floor surface of a toilet room is tiled. To prevent the floor flange for connecting the drainage pipe from hitting the protruding external drainage pipe and forming a gap between the floor surface and the toilet drainage port of the flush toilet and the external drainage pipe with good workability It is to provide a drain pipe connection structure of a flush toilet that can be connected.

  In order to solve the above-mentioned problem, a drainage pipe connection structure for a flush toilet according to the first aspect of the present invention is a drainage pipe connection structure for connecting a toilet drainage port of an flush toilet and an external drainage pipe, The pipe connection structure consists of a floor flange in contact with the floor, a connection flange connected to the toilet drain, and an adapter for connecting the floor flange and the connection flange. A mouth is drilled, and a relief space for accommodating an external drain pipe projecting from the floor surface of the toilet room is recessed in the lower surface.

  The invention according to claim 2 of the present application is characterized in that, in the drain pipe connection structure of the flush toilet according to claim 1, the floor surface of the toilet room is constructed by tiling.

  The invention according to claim 3 of the present application is characterized in that, in the drain pipe connection structure of a flush toilet according to claim 1, the drop port is a circular hole.

  The invention described in claim 4 of the present application is characterized in that, in the drainage pipe connection structure of a flush toilet according to claim 1, the drop port is formed of an inverted frustoconical sleeve.

  The invention according to claim 5 of the present application is characterized in that, in the drain pipe connection structure of a flush toilet according to claim 4, the inverted truncated cone sleeve is formed of an elastic material. Examples of the material having elasticity include synthetic resin, natural rubber, and synthetic rubber.

  In the drainage pipe connecting structure of a flush toilet according to the invention of claim 1 of the present application, a floor flange in contact with the floor, a connection flange connected to the toilet drain, an adapter for connecting the floor flange and the connection flange, A drainage outlet is formed in the upper surface of the floor flange, and a relief space for accommodating an external drain pipe projecting from the floor surface of the toilet room is recessed in the lower surface. It is possible to install the bottom surface of the floor flange and the floor surface on the same plane, such as when there is a gap between the floor flange connected to the external drain pipe and the floor surface. Become. The toilet drainage port and the external drainage pipe can be connected with good appearance and good workability.

  Further, by inserting anchor bolts into the bolt holes provided in the floor flange and tightening with nuts, the drain pipe connection structure according to the present invention can be firmly fixed to the floor surface, and the flush toilet itself is also floor. It can be installed on the surface with good workability.

  In the drainage pipe connection structure of the flush toilet according to the invention of claim 2 of the present application, particularly when the floor surface of the toilet room is constructed by tiling, the floor surface of the external drainage pipe is adapted to the construction thickness of the tile. The cut-out dimensions are adjusted, the protruding end, the mortar placed around it, and various water-proofing materials such as caulking materials are housed in the escape space. A drain pipe can be connected.

  In the drainage pipe connecting structure of a flush toilet according to the invention of claim 3 of the present application, in particular, the toilet drainage is made from the circular hole portion drilled in the upper surface of the floor flange by making the drop port a circular hole portion. It can flow down and drain smoothly into the external drain.

  In the drainage pipe connecting structure of a flush toilet according to the invention of claim 4 of the present application, in particular, the drop port is an inverted frustoconical sleeve, and the tapered lower part of the inverted frustoconical sleeve is fitted into the external drainage pipe. As a result, the toilet drainage can flow down from the sleeve and smoothly drain into the external drainage pipe.

In the drainage pipe connection structure of the flush toilet according to the invention of claim 5 of the present application,
By forming the sleeve having the inverted truncated cone shape from an elastic material, when the tapered lower portion of the sleeve is fitted into the external drainage pipe, it elastically contacts the inner wall of the external drainage pipe. Leakage can be prevented and the toilet drainage can be securely connected to the external drainage pipe.

  Hereinafter, the drain pipe connection structure of a flush toilet according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a cross-sectional view showing a drainage pipe connection structure A of a flush toilet according to the first embodiment of the present invention, wherein the toilet drainage port 41 and the external drainage pipe 5 of the flush toilet 4 are connected by the drainage pipe connection structure A. Connected.

  As shown in FIG. 1, the drain pipe connection structure A includes a floor flange 1 in contact with a floor surface F, a connection flange 2 connected to a toilet drain 41 of a flush toilet 4 partially shown in cross section, and the floor flange 1. And the adapter 3 that connects the connecting flange 2 and the toilet drain port 41 of the flush toilet 4 is fitted into the connecting flange 2.

  On the other hand, an external drain pipe 5 is provided on the floor surface F so as to protrude, and in accordance with the construction shape of the floor surface F, for example, in the case of tile attachment, the tile application thickness is adjusted so that the tile attachment operation can be performed efficiently. It is cut by adjusting the output dimension at the work site. At this time, as shown in FIG. 1, the periphery of the protruding portion of the external drain pipe 5 is sealed with a water-stopping material 6 such as mortar and putty, and water-stopping treatment is performed so that water leakage does not occur.

  Further, as shown in FIG. 1, a circular hole portion 7 is formed on the upper surface of the floor flange 1 as a pit for the toilet drainage from the flush toilet 4 to flow in, and the lower surface protrudes from the floor surface F. A relief space 11 for accommodating the end 51 of the external drain pipe 5 and the construction portion of the water blocking material 6 is recessed. Furthermore, bolt holes 12 through which anchor bolts (not shown) embedded in the floor are inserted are provided at several locations along the circumferential portion of the floor flange 1. With this configuration, the floor flange 1 can be fixed with anchor bolts and nuts, and the lower surface and the floor surface F can be fixed on substantially the same plane, and the toilet drain 41 and the external drain pipe 5 can be operated. Connect well.

  FIG. 2 is a partial cross-sectional explanatory view showing a state in which the toilet drain port 41 of the flush toilet 4 and the external drain pipe 5 are connected using the drain pipe connection structure A of the flush toilet according to the first embodiment. As shown in FIG. 2, the toilet drainage 41 of the flush toilet 4 is fitted into the connection flange 2, and the toilet drainage is drilled on the upper surface of the floor flange 1 of the drainage pipe connection structure A. The water is drained to the external drain pipe 5 through the circular hole portion 7 as a pit.

  Here, the end 51 of the external drain pipe 5 is sealed by the ceiling surface of the escape space 11, but it is preferable to interpose a surface sealing material between the end 51 and the ceiling surface of the escape space 11. By comprising in this way, the toilet drainage which flows down from the adapter 3 is smoothly drained by the external drain pipe 5 without leaking.

  The adapter 3 is preferably made of a flexible pipe such as a bellows-structured plastic pipe reinforced with a metal wire such as a stainless steel wire or a synthetic rubber pipe. By doing in this way, even if the position of the toilet drain 41 and the position of the external drain pipe 5 are slightly deviated from front to back and left and right, the adapter 3 can follow freely. Therefore, the drain pipe connection structure A is used. The toilet drain 41 and the external drain pipe 5 can be connected with good workability.

  FIG. 3 is a cross-sectional view showing a drainage pipe connection structure B of a flush toilet according to a second embodiment of the present invention, and the toilet drain 41 and the external drainage pipe 5 of the flush toilet 4 are similar to the first embodiment. They are connected by the drain pipe connection structure B. As shown in FIG. 3, in the second embodiment, an inverted frustoconical sleeve 8 is provided on the upper surface of the floor flange 1 as a drop port. Here, as the sleeve 8, an elastic material, for example, a material made of soft plastic, natural rubber, synthetic rubber or the like is used.

  FIG. 4 is a partial cross-sectional explanatory view showing a state in which the toilet drain port 41 of the flush toilet 4 and the external drain pipe 5 are connected using the drain pipe connection structure B of the flush toilet according to the second embodiment. As shown in FIG. 4, since the tapered lower part of the sleeve 8 made of an elastic material is firmly elastically contacted with the end 51 of the external drain pipe 5, the toilet drain from the toilet drain 41 is related to the second embodiment. It drains to the external drain pipe 5 without leaking through the drain pipe connecting structure B.

  By constructing as described above, as in the drainage pipe connection structure A of the flush toilet according to the first embodiment, when the floor surface of the toilet room is constructed by, for example, tiling, the exterior protruding from the floor surface F The end 51 of the drain pipe 5 and the construction part of the water blocking material 6 are accommodated in the escape space 11 provided in the lower surface of the floor flange 1 and can be constructed with good workability.

  FIG. 5 is a partially cutaway side view showing the flush toilet 4 according to the present invention in which the toilet drain port 41 and the external drain pipe 5 are connected by the flush toilet drain pipe connection structure A according to the first embodiment. As shown in FIG. 5, the toilet drainage flows as shown by an arrow in FIG. 5, and is drained from the round hole portion 7 which is a drop port to the external drain pipe 5. In addition, in FIG. 5, the code | symbol 9 shows a toilet lid.

  In the first embodiment and the second embodiment described above, the case where the floor surface of the toilet room is constructed by tiling has been described. However, the present invention can be applied not only to tiling but also to simple mortar construction. Thus, the design of the present invention is freely changeable and belongs to the technical scope of the present invention unless departing from the scope of the claims.

Sectional drawing which shows the drain pipe connection structure of the flush toilet which concerns on 1st Embodiment of this invention. Partial cross-section explanatory drawing which shows the state which connected the toilet drain port of the flush toilet and the external drain pipe using the drain pipe connection structure of the flush toilet which concerns on the said 1st Embodiment. Sectional drawing which shows the drain pipe connection structure of the flush toilet which concerns on 2nd Embodiment of this invention. Partial cross-section explanatory drawing which shows the state which connected the toilet drain port of the flush toilet and the external drain pipe using the drain pipe connection structure of the flush toilet which concerns on the said 2nd Embodiment. The partially broken side view which shows the flush toilet concerning this invention which connected the toilet drain port and the external drain pipe by the drain pipe connection structure of the flush toilet concerning the said 1st Embodiment.

Explanation of symbols

A Drainage pipe connection structure of flush toilet according to the first embodiment B Drainage pipe connection structure of flush toilet according to the second embodiment F Floor surface 1 Floor flange 11 Relief space 12 Bolt hole 2 Connection flange 3 Adapter 4 Flush toilet 41 Toilet bowl Drain port 5 External drain pipe 51 End 6 Water stop material 7 Round hole 8 Sleeve 9 Toilet lid

Claims (5)

  A drain pipe connection structure for connecting a toilet drain of a flush toilet and an external drain pipe, the drain pipe connection structure including a floor flange in contact with a floor surface, a connection flange connected to the toilet drain, and the floor flange And an adapter that connects the connecting flange to the top of the floor flange. A drainage pipe connection structure for flush toilets.   The drain pipe connection structure of a flush toilet according to claim 1, wherein the floor surface of the toilet room is constructed by tiling.   The drain pipe connection structure of a flush toilet according to claim 1, wherein the drop port is a circular hole.   The drain pipe connection structure for a flush toilet according to claim 1, wherein the drop port comprises an inverted frustoconical sleeve.   The drain pipe connection structure for a flush toilet according to claim 4, wherein the inverted frustoconical sleeve is formed of an elastic material.

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