JP2010031570A - Drainage connection structure of flush toilet bowl and washbasin - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drainage connection structure of a flush toilet bowl and a washbasin reducing a clearance between the flush toilet bowl and a rear wall. <P>SOLUTION: The drainage connection structure of the flush toilet bowl 1 and the washbasin comprises a flush toilet bowl body having a drain trap pipeline extending backward from the bottom part of a bowl section; a drain socket provided behind the flush toilet bowl body and connected to the drain trap pipeline; the washbasin having a drain port; and a washbasin drain pipe 24 connecting the drain port to the drain socket. The washbasin drain pipe 24 is led in from the side of the flush toilet bowl 1, behind the flush toilet bowl body, and connected to the drain socket. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a drainage connection structure for a flush toilet and a hand-washer.

    Japanese Patent Application Laid-Open No. 2008-115589 describes a drainage connection method for toilets and hand-washers. In this drainage connection method, a cabinet is provided behind the toilet bowl, and the drainage pipe of the toilet bowl and the drainage pipe of the hand-washer are connected via the drainage connection pipe in the cabinet.

    JP 2005-264469 A describes a flush toilet equipped with a water storage tank and a pump.

JP 2008-115589 A JP 2005-264469 A

    However, in the flush toilet described in Japanese Patent Application Laid-Open No. 2008-115589, there is a problem that the toilet space comes to the front of the rear wall by the space of the cabinet, and the toilet space becomes narrow.

  Therefore, the present invention is a drainage connection structure between a flush toilet and a handwasher, which has no cabinet, and further a drainage connection between the flush toilet and the handwasher that can reduce the gap between the flush toilet and the rear wall. Its purpose is to provide a structure.

The present invention for solving the above problems is as follows.
A drainage connection structure for flush toilets and handwashers,
A flush toilet body provided with a bowl portion and a drain trap pipe extending rearward from the bottom of the bowl portion;
A pressure pump disposed behind the bowl portion and pressurizing wash water for washing the bowl portion;
A water storage tank disposed behind the bowl portion and storing the wash water to be pressurized by the pressure pump; and connected to the pressure pump;
A flush toilet comprising the pressurizing pump and an attachment portion for supporting the water storage tank with respect to the flush toilet body,
A drainage socket connected to the drainage trap pipe and provided behind the flush toilet body,
A handwasher with a drain,
A drainage connection structure for a flush toilet and a hand-washer comprising a drain pipe of a hand-washer for connecting the drain port and the drain socket,
The drain pipe of the hand-washing device is introduced from the side of the flush toilet behind the flush toilet main body and is connected to the drain socket.

  According to the present invention, there is a drainage connection structure between a flush toilet and a hand-washer, and there is no cabinet, and the drainage connection between the flush toilet and the hand-washer that can reduce the gap between the flush toilet and the rear wall. Structure can be provided.

  Prior to describing the best mode for carrying out the present invention, the function and effect of the present invention will be described.

The drainage connection structure of the flush toilet and handwasher according to the present invention is as follows:
A flush toilet body provided with a bowl portion and a drain trap pipe extending rearward from the bottom of the bowl portion;
A pressure pump disposed behind the bowl portion and pressurizing wash water for washing the bowl portion;
A water storage tank disposed behind the bowl portion and storing the wash water to be pressurized by the pressure pump; and connected to the pressure pump;
A flush toilet comprising the pressurizing pump and an attachment portion for supporting the water storage tank with respect to the flush toilet body,
A drainage socket connected to the drainage trap pipe and provided behind the flush toilet body,
A handwasher with a drain,
A drain of a hand-washer connected to the drain;
A drainage connection structure for a flush toilet and a handwasher comprising a drainage elbow connecting the drainage socket and a drainpipe of the handwasher,
The drain pipe of the hand-washing device is introduced from the side of the flush toilet behind the flush toilet body and is connected to the drain elbow.

  According to the drainage connection structure according to the present invention, the drainage pipe of the handwasher is introduced from the side of the flush toilet to the back of the flush toilet body, and merges with the toilet drainage via the drainage elbow at the rear of the flush toilet body. To do. Therefore, it is not necessary to circulate the drain pipe of the hand-washer avoiding the flush toilet, so the drain pipe of the hand-washer is concealed in a cabinet or the hand-wash drain pipe is placed between the flush toilet and the wall surface. There is no need to provide a possible gap.

  The water storage tank has a structure in which a side close to the flush toilet body is locally deep and a side far from the flush toilet body is locally shallow.

  According to the drainage connection structure according to the present invention, a water supply pipe and a drain pipe of a toilet bowl and a hand-washer can be disposed below a locally shallow portion of the water storage tank, and either the right or left side of the flush toilet bowl. It becomes possible to manage it. Therefore, it becomes possible to respond flexibly to various sites where flush toilets are installed.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, a preferred embodiment of a drainage connection structure for a flush toilet and a hand-washer of the present invention will be described with reference to the accompanying drawings. In order to facilitate the understanding of the description, the same components are denoted by the same reference numerals as much as possible in the drawings, and redundant descriptions are omitted.

  FIG. 1 is a rear perspective view showing a drainage connection structure between a flush toilet and a handwasher according to the first embodiment of the present invention, and FIG. 2 shows a drainage connection structure between the flush toilet and the handwasher according to the first embodiment of the present invention. FIG. 3 is a side sectional view showing a drainage connection structure for a flush toilet and a hand-washer according to the first embodiment of the present invention. FIG. 4 is a perspective view of the toilet space when the drainage connection structure of the flush toilet and the hand-washer according to the first embodiment of the present invention is used. FIG. 5 is a perspective view showing the shape of the drainage elbow according to the first embodiment of the present invention, and FIG. 6 is a perspective view showing the functional part and the tank of the flush toilet according to the first embodiment of the present invention.

  In the drainage connection structure according to the first embodiment of the present invention, the flush toilet 1 is disposed so as to cover the flush toilet body 2, the toilet seat (not shown) disposed on the upper surface of the flush toilet body 2, and the toilet seat. And a local washing device 8 disposed at the upper rear part of the flush toilet main body. A functional unit 10 is disposed behind the flush toilet main body 2, and the functional unit 10 is covered with the side panel 6.

  The flush toilet body 2 is made of earthenware, and includes a bowl portion 12 for receiving filth, a drain trap pipe 14 extending from the bottom of the bowl portion 12, a jet water outlet 16 for jet water discharge, and a rim discharge for rim water discharge. A water port 18 is formed. The drain trap pipe 14 extends rearward and obliquely upward from the bottom of the bowl portion 12, and then extends downward to be connected to the drain socket 20. The jet spout 16 is formed at the bottom of the bowl portion 12 and is configured to discharge cleaning water toward the inlet of the drain trap conduit 14. The rim water spouting port 18 is formed at the upper left rear of the bowl portion 12 and is configured to discharge cleaning water along the edge of the bowl portion 12.

  A drain elbow 22 is further connected to the drain socket 20 and is connected to a drain pipe (not shown) provided on the wall surface. As shown in FIG. 5, the drainage elbow 22 having a substantially right-angled flow channel is provided with a handwasher drain piping port 23 into which drainage from the handwasher 30 flows, and the handwasher drain piping port 23 has a handwasher drain pipe. 24 is connected. Further, the drain elbow 22 and the toilet drain pipe 26 are connected via a connection adapter 28. The drain socket 20 and the drain elbow 22 are arranged below the function unit 10 and in a space between the function unit 10 and the floor surface, and are concealed in appearance by the side panel 6.

  In the first embodiment, one of the left and right side panels 6 has a cut-out shape, and the hand-washer drain pipe 24 and the toilet drain pipe 26 penetrate the cut-out portion in the same direction. Has been placed.

  The flush toilet 1 and the hand-washing machine 40 are connected to the faucet 30 through the toilet-water supply pipe 34 and the hand-washer water supply pipe 32 so that water is supplied. The hand-washer drain pipe 24 and the hand-washer water supply pipe 32 are concealed between the hand-washer pipe cover 44 and the wall.

  The functional unit 10 is provided to control the supply of wash water to the flush toilet body, and includes a valve unit 10a connected to the toilet water supply pipe 34 and a water storage tank for storing wash water supplied to the jet spout 16 10b and a pump 10c for supplying the cleaning water stored in the water storage tank to the jet water outlet 16, and the valve unit 10a and the rim water outlet 18 are a first water conduit (not shown), a valve unit and a water storage tank. Are connected to each other through a second water conduit (not shown), and a water storage tank and a jet water outlet are connected through a third water conduit (not shown). Moreover, the function part 10 is connected with the flush toilet main body 2 via the attaching part 10c.

  The valve unit includes a constant flow regulating valve (not shown) attached to the water supply pipe, an open / close valve (not shown) and a flow path switching valve (not shown) sequentially arranged on the downstream side of the constant flow regulating valve. It is configured. And the 1st water conduit and the 2nd water conduit are connected to the water supply pipe through the flow control switching valve. By controlling the on-off valve and the flow path switching valve, the flow path between the first water conduit and the second water conduit can be switched.

  The flush toilet in this embodiment includes a water supply control means for supplying water to the rim water spouting port and the jet water spouting port at a predetermined timing so that the user can smoothly clean the toilet bowl. This water supply control means, after supplying water to the rim spout, switches the flow path from the first water conduit to the second water conduit and drives the pump to supply water from the water storage tank to the jet water outlet to discharge filth, After that, the flow path is switched to the first water conduit, the rim spout is filled with water, the inside of the flush toilet body is sealed, and then the flow channel is switched to the second water conduit again to replenish the water storage tank to a predetermined amount. The water supply is controlled. Therefore, it is possible to smoothly and promptly perform the filth discharge from the cleaning inside the flush toilet body and the subsequent sealing operation within the flush toilet body.

  That is, the water from the water supply pipe can be selectively supplied to the rim spout and the water storage tank formed at the upper opening periphery of the toilet body. When water is supplied to the jet spout, the water is supplied from the water faucet. The water stored in the water storage tank is forcibly pumped by a pump. With such a configuration, even if the water supply pressure is low, a sufficient amount of washing water can be secured and filth can be reliably discharged. The water supplied from the water source to the water pipe is not limited to tap water but may be middle water.

  Further, the water storage tank 10b has a substantially L-shaped structure, and is designed to have a deep shape near the flush toilet and a shallow shape far from the flush toilet. The drainage pipe of the hand-washing device is disposed in a space below the water storage tank and below a portion designed in a shallow shape, particularly on the side far from the flush toilet body.

  With such a configuration, the handwasher drain pipe can be introduced from the side of the flush toilet, so there is no need to install a cabinet for concealing the handwash drain pipe between the flush toilet and the back wall. . Moreover, it is not necessary to provide a gap for introducing the hand-washer drain pipe between the flush toilet and the back wall.

  Furthermore, by providing a locally shallow portion of the water storage tank over the entire length in the width direction of the flush toilet, it is possible to route the hand-washer drain pipe in either the left or right direction of the flush toilet. It becomes possible to correspond to the toilet space of various layouts with the flush toilet of the composition. For example, in a toilet space where a drain pipe stands on the horizontal wall, it is possible to install a hand-washer on the same side as the wall drain pipe or a hand-washer on the opposite side. Moreover, it is possible to install a hand-washing machine in an appropriate place also in the toilet space where the existing drain pipe stands on the back wall.

  A part of the handwasher drain pipe can be constituted by a flexible bellows pipe. When connecting the drain port of the hand-washer and the hand-washer drain pipe port with the hand-washer drain pipe, the hand-washer drain pipe is usually connected to the floor surface from the height of the hand-washer drain port to the height of the hand-washer drain pipe port. It descends substantially vertically and is arranged in a substantially horizontal L-shape while maintaining a positive gradient with respect to the floor surface. At this time, the L-shaped corner is composed of a flexible bellows tube, and by gently bending it, it is possible to suppress the impact of handwash drainage against the handwasher drainpipe. Buzzing sounds caused by the self-siphon phenomenon when flowing can be prevented.

  FIG. 7 is a rear view showing a drainage connection structure for a flush toilet and a hand-washer according to a second embodiment of the present invention. In FIG. 7, the same parts as those in the drain connection structure of the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. Moreover, in 1st Embodiment and 2nd Embodiment, the shape of the flush toilet is the same.

  In the second embodiment, the left and right side panels 106 have a shape in which both of them are cut out, and the hand-washer drain pipe 124 and the toilet drain pipe 126 pass through the cut-out portions in different directions. Has been placed.

  By adopting such a configuration, even if the position of the handwasher and the position of the drain pipe provided on the side wall face each other across the flush toilet, a cabinet can be installed, or the toilet and back wall The flush toilet and the hand-washer can be arranged without providing a gap between the toilet bowl and the hand-washer.

  FIG. 8 is a rear view showing a drainage connection structure for a flush toilet and a hand-washer according to a third embodiment of the present invention. FIG. 9 is a perspective view showing the shape of the drainage elbow in the third embodiment of the present invention. 8 and 9, the same parts as those of the drainage connection structure of the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. Moreover, in 1st Embodiment and 3rd Embodiment, the shape of the flush toilet is the same.

  In the third embodiment, one of the left and right side panels 206 has a partially cut shape, and a hand-washer drain pipe 224 is disposed through the cut-out portion. The toilet drain pipe 226 is connected to a drain pipe provided on the back wall.

By setting it as such a structure, the toilet drainage pipe can be connected with the drainage pipe provided in the back wall, without exposing in appearance. In addition, the drainage pipe of the hand-washer is introduced from either the left or right side of the flush toilet and is connected to the drainage elbow in the space inside the flush toilet behind the flush toilet. There is no need to provide a gap between them. Moreover, the hand-washer drain pipe is covered with a hand-washer pipe cover, so that the appearance is good.

It is a back perspective view which shows the drainage connection structure of the flush toilet and hand-washing machine of 1st Embodiment of this invention. It is a rear view which shows the drainage connection structure of the flush toilet and hand-washing machine of 1st Embodiment of this invention. It is side sectional drawing which shows the drainage connection structure of the flush toilet and hand-washing machine of 1st Embodiment of this invention. It is a perspective view of the toilet space at the time of using the drainage connection structure of the flush toilet and hand-washing machine of 1st Embodiment of this invention. It is a perspective view which shows the shape of the drain elbow in 1st Embodiment of this invention. It is a perspective view which shows the function part and tank of the flush toilet in 1st Embodiment of this invention. It is a rear view which shows the drainage connection structure of the flush toilet and hand-washing machine of 2nd Embodiment of this invention. It is a rear view which shows the drainage connection structure of the flush toilet and hand-washing machine of 3rd Embodiment of this invention. It is a perspective view which shows the shape of the drain elbow in 3rd Embodiment of this invention.

Claims (2)

A drainage connection structure for flush toilets and handwashers,
A flush toilet body provided with a bowl portion and a drain trap pipe extending rearward from the bottom of the bowl portion;
A pressure pump disposed behind the bowl portion and pressurizing wash water for washing the bowl portion;
A water storage tank disposed behind the bowl portion and storing the wash water to be pressurized by the pressure pump; and connected to the pressure pump;
A flush toilet comprising the pressurizing pump and an attachment portion for supporting the water storage tank with respect to the flush toilet body,
A drainage socket connected to the drainage trap pipe and provided behind the flush toilet body,
A handwasher with a drain,
A drain of a hand-washer connected to the drain;
A drainage connection structure for a flush toilet and a handwasher comprising a drainage elbow connecting the drainage socket and a drainpipe of the handwasher,
The drainage pipe of the flush toilet is connected to the drainage elbow at the rear of the flush toilet body and introduced from the side of the flush toilet, and connected to the drainage elbow. Construction.
The drainage connection structure for flush toilets according to claim 1, wherein the water storage tank has a structure in which a side close to the flush toilet body is locally deep and a side far from the flush toilet body is locally shallow. .

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