JP2006291581A - Western style flush toilet bowl - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a western style flush toilet bowl capable of preventing stains from occurring at the outlet of a waste water hose and further preventing troubles from occurring by the falling sound and spattering of waste water. <P>SOLUTION: A rim water flow passage 23a is formed at the upper edge of a western style flush toilet bowl body 20. A toilet bowl flushing device is installed at the rear of the western style toilet bowl body 20, and its tip comprises a rim water supply pipe 88 extended to the rear of the water flow passage 23a. A private part flushing device comprises a flow control valve installed at the rear of the western style toilet bowl body 20 in a flow passage for a hot water tank 97, a nozzle 98, and a city water pipe 90 and discharging extra water as waste water during controlling while controlling the amount of water supplied to the hot water tank 97 to a proper amount and a waste water hose 96 connected to the flow control valve and guiding the waste water to the western style toilet bowl body 20. In this western style flush toilet bowl 1, a rim water guide chamber 10 jointed to the rim water flow passage 23a without clearance and to which the rim water supply pipe 88 is extended is formed at the rear of the western style toilet bowl body 20, and the outlet 26 of the waste water hose 96 is formed in the rim water guide chamber 10. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a Western style flush toilet.

  A general Western-style flush toilet includes a Western-style toilet body, a toilet cleaning device, and a local cleaning device.

  The western-style toilet bowl body includes a toilet bowl, a rim formed on the upper edge of the toilet bowl, and a rim passage for cleaning the bowl surface of the toilet bowl, and a trap connected to the lower end of the toilet bowl. Have.

  The toilet bowl cleaning device is provided at the rear part of the western style toilet bowl body, and discharges the cleaning water supplied from the water pipe through the rim water passage. A general toilet bowl cleaning device has a rim water supply pipe whose tip extends to the rear part of the rim water passage, and discharges wash water supplied from the water pipe through the rim water supply pipe.

  Normally, a toilet bowl cleaning apparatus having a toilet bowl cleaning tank is provided with a toilet bowl cleaning tank on a base plate fixed to a Western-style toilet bowl body, and a rim water supply pipe is connected to the toilet bowl cleaning tank via the base plate. Particularly, toilet cleaning devices in recent years have a rear base plate fixed to the Western-style toilet body, and a front base plate that can be raised and lowered with respect to the rear base plate, and the toilet cleaning tank is provided on the rear base plate. Yes.

  Moreover, the toilet bowl washing | cleaning apparatus which does not have a toilet bowl washing | cleaning tank has an on-off valve which connects a water pipe and a rim water supply pipe directly on the base plate fixed to a western-style toilet bowl main body. In particular, toilet cleaning devices in recent years have a rear base plate fixed to a Western-style toilet body, and a front base plate that can be raised and lowered with respect to the rear base plate, and an on-off valve is provided on the rear base plate. .

  The local cleaning device is provided at the rear part of the western-style toilet body, stores cleaning water supplied from a water pipe in a hot water tank, and discharges water to a local part of a human body by a nozzle.

  In recent Western-style flush toilets, a toilet cleaning device and a local cleaning device are assembled together. In the toilet cleaning device or the local cleaning device, for example, when a toilet cleaning device having a toilet cleaning tank is adopted, a water supply unit 92 is connected to a water pipe 90 by a flexible hose 91 as schematically shown in FIG. Has been.

  A general water supply unit 92 includes a branch part 93 for branching water into the toilet bowl cleaning tank 89 via a toilet flush tank hose 93a, and a flow rate adjustment that is integrated with the branch part 93 and is supplied with the remainder of the water. Part 94. The flow rate adjusting unit 94 incorporates a flow rate adjusting valve (not shown), and has two drain ports 94a and 94b. A hot water tank hose 95 is connected to one drain port 94a, and a waste water hose 96 is connected to the other drain port 94b. The hot water tank hose 95 is connected to the lower side of the hot water tank 97, and the upper side of the hot water tank 97 is connected to the nozzle 98. The outlet 96 a of the waste water hose 96 faces the sealed water 82 that passes through the base plate 99 and accumulates in the trap 81 of the western-style toilet body 80. In a Western style flush toilet having a front base plate that can be raised and lowered with respect to the rear base plate, the outlet of the waste water hose passes through the front base plate and faces the sealing water 82 of the western style toilet body 80.

  In the conventional Western-style flush toilet having such a configuration, when the toilet flushing device has the toilet flushing tank 89, the flush water supplied from the water pipe 90 is temporarily stored in the toilet flushing tank 89. And the bowl surface 84a of the toilet bowl 84 in the western style toilet bowl main body 80 can be wash | cleaned by discharging the washing water into the rim water passage 83a by the rim water supply pipe 88. When the cleaning of the pot surface 84a is completed, new cleaning water is supplied into the toilet bowl cleaning tank 89 via the branch portion 93 of the water supply unit 92. Further, when the toilet bowl cleaning device does not have the toilet bowl cleaning tank 89, the bowl surface 84a is cleaned by discharging the cleaning water supplied from the water pipe 90 into the rim water passage 83a directly by the rim water supply pipe 88. be able to.

  Further, in this Western style flush toilet, the wash water supplied from the water pipe 90 is stored in the hot water tank 97 as a hot water having an appropriate temperature by the local washing device. Then, by supplying the cleaning water whose flow rate is adjusted by the flow rate adjusting unit 94 to the hot water tank 97, the hot water in the hot water tank 97 is discharged from the nozzle 98 to the local part of the human body, and the local part of the user is washed. it can. At this time, the flow rate adjustment valve of the flow rate adjustment unit 94 in the water supply unit 92 adjusts the amount of water supplied to the hot water tank 97 by the hot water tank hose 95 to an appropriate amount, thereby suppressing the increase in the internal pressure of the hot water tank 97. 97 breakage is prevented. Then, surplus water at the time of adjustment is guided to the discarded water hose 96 and discharged as discarded water into the sealing water 82 of the western-style toilet body 80.

  However, in the above-mentioned general Western style flush toilet, the outlet 96a of the waste water hose 96 faces the sealing water 82 of the western style toilet body 80, so that the waste water falls directly on the sealing water 82 and splashes the human buttock. There is a problem that the battery gets wet or generates abnormal noise.

  For this reason, Western-style flush toilets disclosed in Patent Documents 1 and 2 have also been proposed.

  In the Western style flush toilet of Patent Document 1, the outlet of the waste water hose is arranged above the rear part of the western style toilet body. In this Western style flush toilet, the waste water discharged from the outlet of the waste water hose does not fall directly into the sealed water, thus alleviating the above problems.

  Moreover, the western style flush toilet of patent document 2 arrange | positions the exit of a wastewater hose so that the bowl surface of the rear part of a western style toilet body may be followed. In this Western style flush toilet, the waste water discharged from the outlet of the waste water hose flows so as to lick the bowl surface, and the above-mentioned trouble is alleviated.

JP 2004-108076 A Japanese Patent Laid-Open No. 7-259161

  However, in the Western-style flush toilet of Patent Document 1, since the discarded water falls on the bowl surface, there is a possibility that a falling sound or splash water may be generated at that time, and the above-mentioned problems cannot be solved.

  Moreover, in the Western-style flush toilet of patent document 1, in order to guide waste water from a flow volume adjustment part to the rear part of a western-style toilet body, a waste water hose is lengthened and this is used so that the clearance gap between components may be wiped out. Must be placed. For this reason, an increase in manufacturing cost is caused by the material cost of the waste water hose and the complicated work of installing the waste water hose. The same applies to the Western-style flush toilet disclosed in Patent Document 2.

  Furthermore, in the Western-style flush toilet of Patent Document 2, the outlet of the discarded water hose is likely to be exposed on the pot surface, and there are things that are not satisfactory in terms of design, and sewage adheres to the outlet of the discarded water hose. As a result, dirt is likely to occur.

  The present invention has been made in view of the above-described conventional circumstances, achieves a reduction in manufacturing cost, is excellent in design, does not cause dirt at the outlet of the waste water hose, and has a falling sound of waste water. In addition, it is an object to be solved to provide a Western-style flush toilet that can further prevent problems caused by splashing water.

  The Western-style flush toilet of the present invention includes a toilet bowl, a rim formed on the upper edge of the toilet bowl, and a rim passage for cleaning the bowl surface of the toilet bowl, and a lower end of the toilet bowl. A Western-style toilet body having a trap connected to the

  A toilet cleaning device provided at a rear portion of the western-style toilet body, for discharging the cleaning water supplied from the water pipe by the rim water supply pipe;

  Provided at the rear part of the Western-style toilet body, the washing water supplied from the water pipe is stored in a hot water tank, and a local washing device for discharging water to a local part of a human body by a nozzle,

  The toilet cleaning device or the local cleaning device is provided in the middle of the flow path with the water pipe, and adjusts the amount of water supplied to the hot water tank to an appropriate amount and discharges excess water at the time of adjustment as waste water. In a Western style flush toilet having a regulating valve and a waste water hose connected to the flow regulating valve and guiding the discarded water to the western style toilet body,

  A rim water conveyance chamber connected to the rim water passage without being separated from the rim water passage is formed at a rear portion of the western style toilet body, and an outlet of the waste water hose is provided in the rim water conveyance chamber.

  In the Western-style flush toilet of the present invention having such a configuration, the waste water discharged from the outlet of the waste water hose passes through the rim water passage from the rim water conveyance chamber, passes along the pot surface, and seals the western style toilet body. To flow down. For this reason, in this Western style flush toilet, the waste water does not fall directly into the sealed water or drop into the bowl surface, preventing the problem that the human buttocks get wet or abnormal noise is generated by splashing. it can.

  Further, in this Western style flush toilet, the outlet of the waste water hose is provided in the rim water guide chamber, so that the waste water hose can be shorter than the conventional one, and the gap between the components is covered. The need for placement is reduced. For this reason, it is possible to reduce the manufacturing cost by reducing the material cost of the waste water hose and facilitating the installation work of the waste water hose.

  Further, in this Western style flush toilet, the outlet of the waste water hose is not exposed on the pot surface, so that the design is not deteriorated and sewage does not adhere to the outlet of the waste water hose. For this reason, in this Western style flush toilet, no dirt is generated at the outlet of the waste water hose.

  Therefore, the Western-style flush toilet of the present invention realizes a reduction in manufacturing cost, is excellent in design, does not cause dirt at the outlet of the waste water hose, and has more problems due to the falling sound and splash water of the waste water. This can be further prevented.

  The toilet bowl cleaning device may have a rim water supply pipe whose tip extends to the rear part of the rim water passage, and discharge the cleaning water supplied from the water pipe through the rim water supply pipe. In this case, a rim water supply pipe can be extended in the rim water guiding chamber.

  The toilet bowl cleaning device may include a toilet bowl cleaning tank that is provided on a base plate fixed to a western style toilet bowl body and to which a rim water supply pipe is connected. In this case, the outlet of the waste water hose can be provided in the rim water guide chamber through the base plate located on the back surface of the toilet bowl cleaning tank.

  In the Western-style flush toilet of the present invention, the toilet cleaning device has a toilet cleaning tank. In this case, since the outlet of the waste water hose penetrates the base plate, the length of the waste water hose can be further shortened, and the necessity of disposing the gap between the constituent members further decreases. For this reason, this Western style flush toilet bowl can show the effect of the present invention reliably. In addition, this Western style flush toilet has a structure in which a fixing portion at the outlet of the waste water hose is integrally provided in the through hole formed in the base plate, so that the assembly workability can be improved.

  The toilet bowl cleaning device is provided on a rear base plate fixed to the western-style toilet body, and has a toilet bowl cleaning tank to which a rim water supply pipe is connected. The local cleaning device has a front base plate that can be raised and lowered with respect to the rear base plate. Can do. In this case, the outlet of the waste water hose can be provided in the rim water guide chamber through the rear base plate located on the back surface of the toilet bowl cleaning tank.

  In such a configuration, the Western-style flush toilet of the present invention can easily perform cleaning between the upper surface of the toilet bowl main body and the front base plate by raising the front base plate. And since the outlet of the waste water hose is penetrated by the rear base plate, the rising amount of the front base plate is not limited by the length of the waste water hose, and a high degree of freedom can be realized. It is no longer necessary to provide a surplus corresponding to the amount of increase, and the manufacturing cost can be reliably reduced.

  The western-style toilet body has a wall surface that conceals the rim water conveyance chamber, and the toilet bowl cleaning device may be provided on a base plate fixed to the wall surface, and may have an on-off valve that directly connects the water pipe and the rim water supply pipe. In this case, the outlet of the waste water hose can be provided in the rim water guide chamber through the base plate and the wall surface.

  In the Western-style flush toilet of the present invention, the toilet cleaning device does not have a toilet cleaning tank. Also in this case, since the outlet of the waste water hose penetrates the base plate and the wall surface and is provided in the rim water guide chamber, the length of the waste water hose can be further shortened, and the gap between the constituent members is sealed. The need to place it further decreases. For this reason, this Western style flush toilet bowl can show the effect of the present invention reliably.

  The toilet bowl cleaning device is provided on a rear base plate fixed to the Western-style toilet body, and has an opening / closing valve that directly connects the water pipe and the rim water supply pipe, and the local cleaning apparatus is a front base plate that can be raised and lowered with respect to the rear base plate. Can have. In this case, the outlet of the waste water hose can be provided in the rim water guide chamber through the rear base plate and the wall surface.

  Even in such a configuration, the Western-style flush toilet of the present invention can easily perform cleaning between the upper surface of the toilet bowl body and the front base plate by raising the front base plate. And since the outlet of the waste water hose is penetrated by the rear base plate and the wall surface, the rising amount of the front base plate is not limited by the length of the waste water hose, and a high degree of freedom can be realized. It is no longer necessary to provide a surplus corresponding to the amount of increase, and the manufacturing cost can be reliably reduced.

  In the present invention, the rim water guiding chamber is connected to the rim water passage without being separated. Here, it is preferable that the lower surface constituting the rim water guiding chamber is smoothly connected to the rim water passage. Moreover, it is preferable that this lower surface is descend | falling toward the rim water passage from the rim water guide chamber. In this case, waste water hardly remains in the rim water guide chamber, and moisture and soot can be prevented.

  Embodiments 1 and 2 embodying the present invention will be described below with reference to the drawings.

  As shown in FIGS. 1 to 3, the western style flush toilet 1 of the first embodiment includes a western style toilet body 20. The Western-style flush toilet 1 also includes a toilet cleaning device and a local cleaning device described later.

  The western-style toilet body 20 includes a toilet bowl 24, a rim 23 formed on the upper edge of the toilet bowl 24, and an inner side serving as a rim water passage 23 a for washing the bowl surface 24 a of the toilet bowl 24, And a trap 21 connected to the lower end.

  A rim water guide chamber 10 is formed at the rear part of the western-style toilet body 20 and is open upward and is connected to the rim water passage 23a without being separated. And the lower surface 10a which comprises the rim water conveyance chamber 10 has gone down from the rim water conveyance chamber 10 toward the rim water passage 23a.

  In addition, a rim water supply pipe 88 having one end extending to the rear portion of the rim water passage 23 a and the other end extending to the rim water guide chamber 10 is provided at the rear portion of the western-style toilet body 20.

  Further, a rear base plate 29 a is fixed to the upper surface of the rear portion of the western-style toilet body 20 so as to cover the rim water guide chamber 10. A toilet flush tank 89 is provided on the rear base plate 29a, and the rim water supply pipe 88 is connected to the toilet flush tank 89 via the rear base plate 29a. Further, a hot water tank 97 described later is placed on the rear base plate 29a. A front base plate 29b that can be raised and lowered with respect to the rear base plate 29a is provided in front of the rear base plate 29a.

  A nozzle 98 described later is placed on the front base plate 29b. In addition, a tank cover 77 that covers the washing tank 89, the hot water tank 97, the nozzle 98, and the like is fixed to the front base plate 29b so that the toilet seat 78 and the toilet lid 79 can be opened and closed. For this reason, if the front base plate 29b is raised with respect to the rear base plate 29a, the tank cover 77, the toilet seat 78 and the toilet lid 79 also rise together, so that the upper surface of the toilet bowl main body 20 and the front base plate 29b It is easy to clean between.

  On the other hand, a water supply unit 92 is connected to the water pipe 90 by a flexible hose 91. 1 and 2, the water supply unit 92 is schematically illustrated at a position away from the western-style toilet body 20, but is actually fixed to the rear base plate 29a in the tank cover 77.

  The water supply unit 92 includes a branch part 93 that branches water into the toilet bowl cleaning tank 89 via a toilet flush tank hose 93a, and a flow rate adjusting unit 94 that is integrated with the branch part 93 and that is supplied with the remaining water. Consists of. The flow rate adjusting unit 94 incorporates a flow rate adjusting valve (not shown) and has two drain ports 94a and 94b. A hot water tank hose 95 is connected to one drain port 94a, and a waste water hose 96 is connected to the other drain port 94b. The hot water tank hose 95 is connected to the lower side of the hot water tank 97, and the upper side of the hot water tank 97 is connected to the nozzle 98. The outlet 26 of the waste water hose 96 is provided in the rim water guiding chamber 10 of the Western-style toilet body 20 through the rear base plate 29a through the through hole 29c. Since both the drain outlet 94b of the water supply unit 92 and the outlet 26 of the waste water hose 96 are located on the rear base plate 29a side, the waste water hose 96 has a relatively short length and is disposed so as to cover the gap between the components. It is not necessary.

  The water supply unit 92, the toilet cleaning tank hose 93a, the toilet cleaning tank 89, and the rim water supply pipe 88 constitute a toilet cleaning device. This toilet bowl cleaning device discharges the cleaning water supplied from the water pipe 90 through the rim water supply pipe 88.

  The water supply unit 92, the hot water tank hose 95, the hot water tank 97, the nozzle 98, and the waste water hose 96 constitute a local cleaning device. This local cleaning apparatus stores cleaning water supplied from a water pipe 90 in a hot water tank 97 and discharges water to a local part of a human body by a nozzle 98.

  In the Western style flush toilet 1 of the first embodiment having such a configuration, the wash water supplied from the water pipe 90 is temporarily stored in the toilet flush tank 89. The wash water is discharged into the rim water passage 23a by the rim water supply pipe 88, whereby the bowl surface 24a of the toilet bowl 24 in the western style toilet body 20 can be washed. When the cleaning of the pot surface 24a is completed, new cleaning water is supplied into the toilet bowl cleaning tank 89 via the branch portion 93 of the water supply unit 92 and the toilet bowl cleaning tank hose 93a.

  Moreover, in this Western style flush toilet 1, the wash water supplied from the water pipe 90 is stored in the hot water tank 97 as hot water having an appropriate temperature by the local washing device. Then, by supplying the cleaning water whose flow rate is adjusted by the flow rate adjusting unit 94 to the hot water tank 97, the hot water in the hot water tank 97 is discharged from the nozzle 98 to the local part of the human body, and the local part of the user is washed. It is possible. At this time, the flow rate adjustment valve of the flow rate adjustment unit 94 in the water supply unit 92 adjusts the amount of water supplied to the hot water tank 97 by the hot water tank hose 95 to an appropriate amount, thereby suppressing the increase in the internal pressure of the hot water tank 97. 97 breakage is prevented. Then, surplus water at the time of adjustment is guided to the waste water hose 96 and discharged as waste water from the outlet 26 of the waste water hose 96 provided in the rim water guiding chamber 10 of the western-style toilet body 20.

  Furthermore, the Western style flush toilet 1 can easily perform cleaning between the upper surface of the toilet bowl body 20 and the front base plate 29b by raising the front base plate 29b.

  Here, in the western style flush toilet 1, a rim water guiding chamber 10 is formed at the rear of the western style toilet body 20 without being connected to the rim water passage 23a and the rim water supply pipe 88 is extended. The outlet 26 is provided in the rim water guide chamber 10.

  For this reason, the waste water discharged from the outlet 26 of the waste water hose 96 flows down from the rim water guide chamber 10 through the rim water passage 23a to the sealed water 82 of the western style toilet body 20 through the pot surface 24a. For this reason, in this Western-style flush toilet 1, the waste water does not fall directly on the sealing water 82 or falls on the bowl surface 24 a, and the human buttocks are wetted by the splash or abnormal noise is generated. The trouble can be prevented.

  Further, in this Western style flush toilet 1, the outlet 26 of the waste water hose 96 penetrates the rear base plate 29a through the through hole 29c and is provided in the rim water guide chamber 10, so that the waste water hose 96 is a conventional one. Therefore, the necessity to dispose the gaps between the constituent members is reduced. For this reason, a reduction in the manufacturing cost can be realized by reducing the material cost of the waste water hose 96 and facilitating the installation work of the waste water hose 96.

  Furthermore, in this Western style flush toilet 1, the outlet 26 of the waste water hose 96 is not exposed on the pot surface 24a, so that the design is not deteriorated, and sewage adheres to the outlet 26 of the waste water hose 96. There is nothing. For this reason, in this Western style flush toilet 1, the outlet 26 of the waste water hose 96 is not soiled.

  Therefore, the Western-style flush toilet 1 of the first embodiment realizes a reduction in manufacturing cost, is excellent in design, and does not cause the outlet 26 of the waste water hose 96 to become dirty. It is possible to further prevent problems caused by.

  Moreover, in this Western style flush toilet 1, the lower surface 10a which comprises the rim water conveyance chamber 10 has gone down from the rim water conveyance chamber 10 toward the rim water passage 23a. For this reason, it is difficult for the waste water to remain in the rim water guiding chamber 10, and moisture and soot can be prevented.

  Furthermore, since the western style flush toilet 1 has the outlet 26 of the waste water hose 96 penetrated by the rear base plate 29a, the rising amount of the front base plate 29b is not limited by the length of the waste water hose 96, and has high freedom. On the contrary, it is no longer necessary to provide the surplus water hose 96 with a surplus corresponding to the increased amount, and the manufacturing cost can be further reduced.

  As shown in FIG. 4, the Western-style flush toilet 2 according to the second embodiment does not have the toilet bowl cleaning tank 89 as compared with the western-style flush toilet 1 according to the first embodiment. The main difference is that the cleaning water supplied from 90 is discharged directly by the rim water supply pipe 88a.

  The western-style toilet body 30 is formed with a toilet bowl 34, a rim 33 formed on the upper edge of the toilet bowl 34, and a rim water passage 33 a for cleaning the bowl surface 34 a of the toilet bowl 34, and the toilet bowl 34. And a trap 31 connected to the lower end.

  Further, since the western-style toilet body 30 does not have the toilet bowl cleaning tank 89, the rear portion of the western-style toilet body 30 is made smaller than the western-style toilet body 20 of the first embodiment. Specifically, a rim water guide chamber 11 connected to the rim water passage 33a without being separated from the rim water passage 33a is formed at the rear portion of the western-style toilet body 30, and has a wall surface 35 that conceals the upper and rear sides of the rim water guide chamber. And the lower surface 11a which comprises the rim water guide chamber 11 has gone down from the rim water guide chamber 11 toward the rim water passage 33a.

  A rim water supply pipe 88 a having one end extending to the rear part of the rim water passage 33 a and the other end extending to the rim water guiding chamber 11 is provided at the rear part of the western-style toilet body 30. Further, one end of a jet washing tube 88 b is provided below the rear part of the western-style toilet body 30, and the other end of the jet washing tube 88 b extends to be connected to the lower end of the toilet bowl 34 and is fixed to the trap 31. Connected to the nozzle 88c.

  Further, a rear base plate 39 a is fixed to the rear upper surface of the western-style toilet body 30. On the rear base plate 39a, on-off valves 37a and 37b described later are provided. In FIG. 4, the on-off valves 37a and 37b are schematically illustrated at positions away from the western-style toilet body 30, but are actually fixed to the rear base plate 39a in the cover 77a. The rim water supply pipe 88a is connected to the open / close valve 37a via the rear base plate 39a, and one end of the jet cleaning pipe 88b is connected to the open / close valve 37b via the rear base plate 39a. A hot water tank 97 described later is also placed on the rear base plate 39a. A front base plate 39b that can be raised and lowered with respect to the rear base plate 39a is provided in front of the rear base plate 39a.

  A nozzle 98 is placed on the front base plate 39b. Further, a cover 77a that covers the hot water tank 97, the nozzle 98, and the like is fixed to the front base plate 39b while supporting the toilet seat 78 and the toilet lid 79 so that they can be opened and closed. For this reason, if the front base plate 39b is raised with respect to the rear base plate 39a, the cover 77a, the toilet seat 78, and the toilet lid 79 are also raised together, so that the upper surface of the toilet bowl body 30 and the front base plate 39b It is easy to clean between.

  On the other hand, a water supply unit 92 is connected to the water pipe 90 by a flexible hose 91. In FIG. 4, the water supply unit 92 is schematically illustrated at a position away from the western-style toilet body 30, but is actually fixed to the rear base plate 39a in the cover 77a.

  The water supply unit 92 includes a branch portion 931 connected to the on-off valves 37a and 37b via a toilet flush hose 93b, and a flow rate adjusting portion 94 that is integrated with the branch portion 931 and supplied with the remaining water. . The flow rate adjusting unit 94 incorporates a flow rate adjusting valve (not shown), and has two drain ports 94a and 94b. A hot water tank hose 95 is connected to one drain port 94a, and a waste water hose 96 is connected to the other drain port 94b. The hot water tank hose 95 is connected to the lower side of the hot water tank 97, and the upper side of the hot water tank 97 is connected to the nozzle 98. The outlet 36 of the waste water hose 96 is provided in the rim water guiding chamber 11 of the western toilet body 30 through the rear base plate 39a and the wall surface 35 on the back side of the western toilet body 30 through the through holes 39c and 39d. Since both the drain outlet 94b of the water supply unit 92 and the outlet 36 of the waste water hose 96 are located near the rear part of the western-style toilet body 30, the waste water hose 96 has a relatively short length and covers the gap between the components. It is not necessary to place in.

  The toilet bowl cleaning device is configured by the water supply unit 92, the toilet bowl cleaning hose 93b, the on-off valves 37a and 37b, the rim water supply pipe 88a, and the jet cleaning pipe 88b. This toilet bowl cleaning device is provided on the rear base plate 39a, and discharges the cleaning water supplied from the water pipe 90 through the on-off valves 37a and 37b, the rim water supply pipe 88a, and the jet cleaning pipe 88b.

  The water supply unit 92, the hot water tank hose 95, the hot water tank 97, the nozzle 98, and the waste water hose 96 constitute a local cleaning device. This local cleaning apparatus stores cleaning water supplied from a water pipe 90 in a hot water tank 97 and discharges water to a local part of a human body by a nozzle 98.

  In the Western-style flush toilet 2 of Example 2 having such a configuration, the wash water supplied from the water pipe 90 is discharged into the rim water passage 33a by the on-off valves 37a and 37b, the rim water supply pipe 88a and the jet wash pipe 88b. This makes it possible to clean the bowl surface 34a of the toilet bowl 34 in the western-style toilet body 30.

  Further, in this Western style flush toilet 2, the wash water supplied from the water pipe 90 is stored in the hot water tank 97 as a hot water having an appropriate temperature by the local washing device. Then, by supplying the cleaning water whose flow rate is adjusted by the flow rate adjusting unit 94 to the hot water tank 97, the hot water in the hot water tank 97 is discharged from the nozzle 98 to the local part of the human body, and the local part of the user is washed. It is possible. At this time, the flow rate adjustment valve of the flow rate adjustment unit 94 in the water supply unit 92 adjusts the amount of water supplied to the hot water tank 97 by the hot water tank hose 95 to an appropriate amount, thereby suppressing the increase in the internal pressure of the hot water tank 97. 97 breakage is prevented. Then, surplus water at the time of adjustment is guided to the waste water hose 96 and discharged as waste water from the outlet 36 of the waste water hose 96 provided in the rim water guiding chamber 11 of the western-style toilet body 30.

  Here, in this Western style flush toilet 2, the Western style toilet body 30 has a wall surface 35 that conceals the rim water conveyance chamber 11, and the toilet bowl cleaning device is provided on a rear base plate 39a fixed to the Western style toilet body 30. The on-off valves 37a and 37b directly connect the water pipe 90 and the rim water supply pipe 88a. The outlet 36 of the waste water hose 96 is provided in the rim water guide chamber 11 through the rear base plate 39a and the wall surface 35 through the through holes 39c and 39d.

  For this reason, the waste water discharged from the outlet 36 of the waste water hose 96 flows down from the rim water guide chamber 11 through the rim water passage 33a to the sealed water 82 of the western-style toilet body 30 through the pot surface 34a. For this reason, even in this Western style flush toilet 2, the waste water does not fall directly on the sealing water 82 or falls on the bowl surface 34 a, and the human buttocks are wetted by the splash or abnormal noise is generated. The trouble can be prevented.

  Further, in this Western style flush toilet 2, the outlet 36 of the waste water hose 96 is provided in the rim water guide chamber 11 through the rear base plate 39a and the wall surface 35 through the through holes 39c and 39d. 96 can be made shorter than the conventional one, and the necessity of disposing the gaps between the constituent members is reduced. For this reason, a reduction in the manufacturing cost can be realized by reducing the material cost of the waste water hose 96 and facilitating the installation work of the waste water hose 96.

  Furthermore, also in this Western style flush toilet 2, the outlet 36 of the waste water hose 96 is not exposed on the bowl surface 34a, so that the design is not deteriorated and sewage adheres to the outlet 36 of the waste water hose 96. There is nothing. For this reason, even in this Western-style flush toilet 2, the dirt at the outlet 36 of the waste water hose 96 does not occur.

  Therefore, the Western-style flush toilet 2 of Example 2 also realizes a reduction in manufacturing cost, is excellent in design, does not cause dirt at the outlet 36 of the waste water hose 96, and has a falling sound and splash water. The failure due to can be further prevented.

  In the above, the present invention has been described with reference to the first and second embodiments. However, the present invention is not limited to the first and second embodiments, and can be appropriately modified and applied without departing from the spirit of the present invention. Needless to say.

  The present invention can be used for a Western style flush toilet.

1 is a schematic diagram of a Western style flush toilet of Example 1. FIG. It is a principal part expansion schematic diagram of the Western-style flush toilet of Example 1. FIG. 1. It is AA sectional drawing of FIG. 1 regarding the western-style flush toilet of Example 1. FIG. It is a schematic diagram of the Western-style flush toilet of Example 2. It is a schematic diagram of a conventional Western style flush toilet.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10, 11 ... Rim water conveyance chamber 10a, 11a ... Lower surface which comprises a rim water conveyance chamber 20, 30 ... Western-style toilet body 21, 31 ... Trap 23, 33 ... Rim 23a, 33a ... Rim waterway 24, 34 ... Toilet bowl 24a, 34a ... Pot surface 29a, 39a ... Rear base plate 29b, 39b ... Front base plate 35 ... Wall surface 37a, 37b ... Open / close valve 88, 88a ... Rim water supply pipe 89 ... Toilet washing tank 90 ... Water pipe 94 ... Flow rate adjustment part 88, 88a 89, 92, 93a, 93b, 37a ... toilet flushing device (88, 88a ... rim water supply pipe, 89 ... toilet bowl washing tank, 92 ... water supply unit, 93a ... toilet bowl washing tank hose, 93b ... toilet bowl washing hose, 37a ... on-off valve)
92, 95, 96, 97, 98, 37b ... Local cleaning device (92 ... Water supply unit, 95 ... Hot water tank hose, 96 ... Waste water hose, 97 ... Hot water tank, 98 ... Nozzle, 37b ... Open / close valve)

Claims (7)

A western style comprising a stool, a rim formed on the upper edge of the stool, the inside of which is a rim water passage for washing the stool surface of the stool, and a trap connected to the lower end of the stool The toilet body,
A toilet cleaning device provided at a rear portion of the western-style toilet body, for discharging the cleaning water supplied from the water pipe through the rim water passage;
Provided at the rear part of the Western-style toilet body, the washing water supplied from the water pipe is stored in a hot water tank, and a local washing device for discharging water to a local part of a human body by a nozzle,
The toilet cleaning device or the local cleaning device is provided in the middle of the flow path with the water pipe, and adjusts the amount of water supplied to the hot water tank to an appropriate amount and discharges excess water at the time of adjustment as waste water. In a Western style flush toilet having a regulating valve and a waste water hose connected to the flow regulating valve and guiding the discarded water to the western style toilet body,
A rim flush toilet that is connected to the rim water passage without being separated from the rim water passage is formed at a rear portion of the western toilet body, and an outlet of the waste water hose is provided in the rim water flush chamber. The toilet flushing device has a rim water supply pipe whose tip extends to the rear part of the rim water passage, and discharges the wash water supplied from the water pipe through the rim water supply pipe,
The Western-style flush toilet according to claim 1, wherein the rim water supply pipe extends in the rim water conveyance chamber.   The toilet flushing device has a toilet flushing tank provided on a base plate fixed to the Western style toilet bowl main body, to which the rim water supply pipe is connected, and the outlet of the waste water hose is on the back surface of the toilet flushing tank The Western-style flush toilet according to claim 2, wherein the toilet plate is provided in the rim water guide chamber so as to penetrate through the base plate positioned.   The toilet bowl cleaning device is provided on a rear base plate fixed to the Western-style toilet body, and has a toilet bowl cleaning tank to which the rim water supply pipe is connected, and the local cleaning device can be moved up and down with respect to the rear base plate. The outlet of the said waste water hose which has a front part base plate, penetrates this rear base plate located in the back surface of this toilet bowl washing tank, and is provided in the said rim water guide chamber of Claim 3 characterized by the above-mentioned. Western style flush toilet.   The Western-style toilet body has a wall surface that conceals the rim water conveyance chamber, and the toilet bowl cleaning device is provided on a base plate fixed to the wall surface, and has an on-off valve that directly connects the water pipe and the rim water supply pipe. The western style flush toilet according to claim 2, wherein an outlet of the waste water hose is provided in the rim water guide chamber through the base plate and the wall surface.   The toilet bowl cleaning device is provided on a rear base plate fixed to the Western-style toilet body, and has an on-off valve that directly connects the water pipe and the rim water supply pipe, and the local cleaning apparatus is connected to the rear base plate. 6. A Western style flushing system according to claim 5, further comprising a front base plate that can be moved up and down, wherein an outlet of the waste water hose is provided in the rim water guide chamber through the rear base plate and the wall surface. Toilet bowl.   The Western style flush toilet according to any one of claims 1 to 6, wherein a lower surface constituting the rim water conveyance chamber is lowered from the rim water conveyance chamber toward the rim water passage.

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