Flushing toilet

Abstract

The present application provides a flushing toilet which can improve the handling and fireproofing of a flexible elongated member connecting a water or power supply source and a functional part, while improving the overall appearance design of the flushing toilet. The flushing toilet of the present application has a toilet body made of pottery, a functional part, a supply source capable of supplying water or power to the functional part, and a flexible elongated member connecting the supply source and the functional part. The toilet body further has a rear functional storage part capable of storing at least a part of the functional part. The rear functional storage part has an upper storage area, a lower area, and a lower communication area. The flexible elongated member extends from the upper connecting end to the lower connecting end. Therefore, after being inserted from the upper storage area into the lower communication area, the flexible elongated member does not extend from the lower communication area to the outside of the toilet body through the inside of the lower area.

Description

Technical Field

[0001] This invention relates to a flush toilet, and more particularly to a flush toilet that uses flushing water to clean and discharge waste. Background Technology

[0002] In the past, flush toilets that use washing water to clean and discharge waste, such as those described in Patent Documents 1 to 3, have been known to have a so-called "tube skirt type" or "skirt type" flush toilet, in which a skirt is formed on the outer side of the basin and drain bend of the ceramic toilet body, and is formed over the entire circumference of the toilet body.

[0003] In such existing "tube skirt type" or "pants skirt type" flush toilets, a functional unit is provided that controls the flow of flushing water toward the basin of the toilet body. This functional unit is housed in a storage area that is closer to the rear side than the basin of the toilet body.

[0004] Next, in the conventional flush toilet described in the aforementioned Patent Document 1, a water supply hose connected at one end to a functional part in the area behind the toilet body passes downward through an opening in the rear wall of the toilet body, and the other end of the water supply hose is connected to a stop valve installed on the floor.

[0005] Furthermore, in the conventional flush toilet described in Patent Document 2, a through hole is provided in the support wall portion, which is divided into regions closer to the rear than the basin portion of the toilet body. Components housed in the respective upper and lower regions of the support wall portion are connected via the through hole.

[0006] Furthermore, in the conventional flush toilet described in Patent Document 3, a sleeve is provided that functions as a water supply hose for supplying flushing water or a wiring hose for supplying electricity. One end of this sleeve is connected to a functional section in the area behind the toilet body, passes through the internal space of the double wall section of the side wall of the toilet body, and then extends outward from the lower space of the toilet body, where the drain bend is located. Regarding the other end of the sleeve, when the sleeve functions as a water supply hose, it is connected to an external water stop valve via the lower space of the toilet body; when the sleeve functions as a wiring hose, it is connected to an external power source via the lower space of the toilet body.

[0007] Patent documents

[0008] Patent Document 1: Japanese Patent Application Publication No. 2008-267026

[0009] Patent Document 2: Japanese Patent Application Publication No. 2014-114632

[0010] Patent Document 3: Japanese Patent Application Publication No. 2017-089282 Summary of the Invention

[0011] On the other hand, in recent years, with the diversification of flush toilet designs and the improvement of the appearance design of flush toilets, the issue of how to effectively utilize the area closer to the rear side of the toilet bowl as a storage area while miniaturizing (compacting) the overall size of the toilet bowl has become a required issue.

[0012] Furthermore, in existing flush toilets, although flexible, slender components are used as water supply hoses or wiring hoses connected to the functional parts, from a durability point of view, such flexible, slender components are made of relatively rigid and highly elastic materials. Therefore, when these flexible, slender components are placed within the narrow storage area of ​​the functional parts of the toilet body, they are prone to bending if subjected to sharp bending deformation, creating a problem of difficulty in handling the flexible, slender components within the storage area of ​​the functional parts.

[0013] Furthermore, in existing flush toilets, although the functional parts are located in the storage area at the rear of the toilet body, relatively close to the top, from the perspective of preventing unexpected dirt from entering the functional parts while maintaining the aesthetics of the flush toilet, it has become an issue to store the functional parts as much as possible within the storage area of ​​the toilet body, so that the functional parts are not easily visible from the exterior of the toilet body.

[0014] In addition, regarding the water supply hose or wiring hose connected to the functional part, the connection part to the functional part is located in the storage area of ​​the toilet body, closer to the upper side. At the same time, the upstream side of the water supply hose or the power supply side of the wiring hose is connected to a water or power supply source (such as a water stop valve or power source) located outside the toilet body.

[0015] Therefore, from the perspective of not reducing the aesthetics and other appearance design aspects of the flush toilet, how to hide the path of the water supply hose or wiring hose within the limited storage area of ​​the toilet body has become a research topic.

[0016] Furthermore, regarding the water supply hose or wiring hose, how to extend the water supply from the through hole at the bottom of the toilet body to the external supply source has become a problem. Even the size of the through hole at the bottom of the toilet body has become a problem, so that the internal functional parts cannot be observed.

[0017] In addition, from the perspective of fire resistance of functional parts and slender components, for example, when considering fires that may occur from the inside of the wall behind the toilet body or from the floor below the toilet body, it becomes an issue how to isolate the storage area of ​​the storage function from the area below that storage area (especially the area where the drain pipe is located and which is prone to combustion from the inside of the wall or the floor).

[0018] Therefore, the present invention was made to solve the problems of the prior art and the claimed subject matter. The technical problem to be solved is to provide a flushing toilet that can improve the handleability and fire resistance of the flexible slender member that connects the water or electricity supply source to the functional part, while improving the overall appearance design of the flushing toilet.

[0019] To address the aforementioned problems, the present invention provides a flush toilet that uses flushing water to clean and expel waste. It is characterized by comprising: a ceramic toilet body, having a basin for receiving waste, a drain bend including an inlet connected below the basin and an outlet for discharging waste from the basin, and a skirt formed outside the basin and the drain bend; a functional section located further rearward than the basin of the toilet body, having at least the function of controlling the flow of flushing water into the basin; a supply source located further downward than the functional section and outside the toilet body, capable of supplying water or electricity to the functional section; and a flexible, elongated member connecting the supply source and the functional section. The ceramic toilet body also includes a rear functional storage section for accommodating at least a portion of the functional section, the rear functional storage section comprising: a support wall that divides the area of ​​the toilet body further rearward than the basin into upper and lower sections. The toilet body comprises: an upper receiving area that supports the functional part; an upper receiving area formed closer to the upper side than the supporting wall portion, which receives at least a portion of the functional part; a lower receiving area formed closer to the lower side than the supporting wall portion, which is isolated from the upper receiving area, and which has the outlet portion of the drain bend; and a lower connecting area formed adjacent to and isolated from the lower receiving area, which does not connect to the interior of the lower receiving area, allowing the upper receiving area to communicate with the exterior of the toilet body. The flexible elongated member has an upper connecting end connected to the functional part and a lower connecting end connected to the supply source, and extends from the upper connecting end toward the lower connecting end. Therefore, after being inserted from the upper receiving area into the lower connecting area, it extends from the lower connecting area to the exterior of the toilet body without passing through the interior of the lower receiving area, and then the lower connecting end is connected to the supply source.

[0020] In this invention, although the flexible elongated member extends from the upper connecting end of the functional part connected to the upper storage area of ​​the rear functional storage part toward the lower connecting end, the flexible elongated member can also be inserted into the lower connecting area from the upper storage area of ​​the rear functional storage part without passing through the interior of the lower area and without bending or abruptly bending.

[0021] Subsequently, the slender member inserted into the lower connecting area can smoothly extend from the lower connecting area to the outside of the toilet body without passing through the interior of the lower area of ​​the rear functional storage section, and the lower connecting end of the slender member can be connected to the supply source.

[0022] Therefore, the flexible, slender member connecting the functional part and the supply source can hide most of its path in the upper storage area or lower connecting area of ​​the rear functional storage part, thus improving the appearance design of the flushing toilet.

[0023] Furthermore, by extending the flexible, slender member from the upper storage area into the lower connecting area without passing through the interior of the lower area, deformation load on the path of the slender member between the functional section and the supply source can be suppressed, while the maneuverability of the slender member within the limited space of the functional storage section at the rear of the toilet body can be improved. Therefore, regarding the flexible, slender member, permanent deformation and damage due to bending, for example, can also be suppressed.

[0024] Furthermore, by improving the maneuverability of the flexible, slender components, the rear functional storage section of the toilet body can be miniaturized, thus improving the aesthetic design while miniaturizing the entire flushing toilet.

[0025] In addition, from a fire prevention point of view, for example, in the event of a fire on the inner side of the wall behind the toilet body or on the periphery of the floor below the toilet body, even if the fire spreads from the inner side of the wall or the floor to the combustible space in the lower area of ​​the functional storage section behind the toilet body or the downstream side of the outlet of the drain bend, the upper storage area and the lower connecting area are respectively isolated in the lower area.

[0026] Therefore, it is possible to suppress the risk of fire in the lower area to the functional parts in the upper storage area and the slender members in the lower connecting area, and to ensure the fire resistance of the functional parts and slender members.

[0027] Preferably, in this invention, the skirt portion has a rear wall portion and a side wall portion forming its back and side respectively. At least a portion of the side wall portion or the rear wall portion of the skirt portion forms a double wall portion. The double wall portion has an outer wall portion forming the outer side of the skirt portion and an inner wall portion disposed on the inner side of the outer wall portion. At least a portion of the double wall portion forms a double wall chamber in the lower communicating region of the rear functional storage portion between the outer wall portion and the inner wall portion. In the inner wall portion of the double wall portion forming the double wall chamber, an inner side is formed that can communicate through the interior of the upper storage region and the interior of the double wall chamber. A connecting hole is formed on the outer wall of the double wall portion forming the double wall chamber, allowing communication between the interior of the double wall chamber and the exterior of the toilet body. The flexible elongated member extends from the upper connecting end of the upper receiving area toward the lower connecting end, thereby being inserted from the upper receiving area into the double wall chamber through the inner connecting hole of the double wall portion, and then extending from the double wall chamber to the exterior of the toilet body through the outer connecting hole of the double wall portion without passing through the interior of the lower area. The lower connecting end is then connected to the supply source.

[0028] In this invention, although the flexible elongated member extends from the upper connecting end of the functional part connected to the upper storage area of ​​the rear functional storage part toward the lower connecting end, the flexible elongated member can also be inserted into the double-wall chamber through the inner connecting hole of the double-wall part without bending or abruptly bending from the upper storage area of ​​the rear functional storage part.

[0029] Subsequently, regarding this slender member, it can smoothly extend from the double-walled chamber through the outer connecting hole of the double-walled section to the outside of the toilet body without passing through the lower area of ​​the rear functional storage section, and the lower connecting end of the slender member can be connected to the supply source.

[0030] Therefore, the flexible, slender member connecting the functional part and the supply source can hide most of its path in the upper storage area of ​​the rear functional storage part or in the double-walled chamber, thus improving the appearance and design of the flushing toilet.

[0031] Furthermore, by extending the flexible, slender member from the upper storage area into the double-walled chamber without passing through the lower area (double-walled chamber), deformation load on the path of the slender member between the functional section and the supply source can be suppressed, while the maneuverability of the slender member within the limited space of the functional storage section at the rear of the toilet body can be improved. Therefore, regarding the flexible, slender member, permanent deformation and damage due to bending, for example, can also be suppressed.

[0032] Furthermore, from a fire prevention perspective, for example, in the event of a fire on the inner wall behind the toilet body or on the periphery of the floor below the toilet body, even if the fire spreads from the inner wall or the floor to the combustible space in the lower area of ​​the functional storage section behind the toilet body or the downstream side of the outlet of the drain bend, the upper storage area and the lower connecting area (double wall chambers) are respectively isolated in the lower area.

[0033] Therefore, it is possible to suppress the risk of fire in the lower area to the functional parts of the upper storage area and the slender components in the double-walled chamber, and to ensure the fire resistance of the functional parts of the upper storage area and the slender components in the double-walled chamber.

[0034] Furthermore, even if foreign objects from outside the toilet body enter the lower connecting area (double-walled chamber) through the outer connecting hole, the lower connecting area (double-walled chamber) and the upper storage area are separated outside the inner connecting hole, thus preventing foreign objects from outside the toilet body from reaching the upper storage area through the outer connecting hole.

[0035] Preferably, in this invention, the inner wall portion of the double wall portion forming the double wall chamber has a horizontal wall portion forming a generally horizontal wall surface, and the inner connecting hole is formed to pass through the generally horizontal wall surface of the horizontal wall portion; the outer wall portion of the double wall portion forming the double wall chamber has a longitudinal wall portion forming a longitudinal wall surface extending in the vertical direction, and the outer connecting hole is formed to pass through the longitudinal wall surface of the longitudinal wall portion.

[0036] In this invention, the inner connecting hole that can connect the interior of the upper storage area and the inner wall of the double-walled chamber can be formed as a generally horizontal wall surface that connects the horizontal wall of the inner wall of the double-walled chamber. Meanwhile, the outer connecting hole that can connect the interior of the double-walled chamber and the outer wall of the toilet body can be formed as a longitudinal wall surface that connects the longitudinal wall of the outer wall of the double-walled chamber.

[0037] Therefore, when the slender member passes through the inner connecting hole from the inside of the upper storage area and extends from the outer connecting hole from the inside of the double-walled chamber to the outside of the toilet body, it does not need to be bent much, and can pass through smoothly.

[0038] Therefore, for flexible slender components, it is possible to effectively suppress permanent deformation and damage caused by bending, etc.

[0039] In this invention, it is preferred that the central axis of the inner connecting hole is positioned further back than the center of the horizontal wall portion in the front-rear direction, and the outer connecting hole is formed on the outer wall portion of the double wall portion in the rear wall portion of the skirt portion.

[0040] In this invention, the central axis of the inner connecting hole is positioned closer to the rear than the center of the horizontal wall portion in the front-rear direction, while the outer connecting hole is formed on the outer wall portion of the double wall portion in the rear wall portion of the skirt portion. Therefore, compared to positioning the central axis of the inner connecting hole at a position equal to or in front of the center of the horizontal wall portion in the front-rear direction, the inner connecting hole of the horizontal wall portion can be positioned on the rear wall portion side of the skirt portion.

[0041] Therefore, since the distance between the inner and outer connecting holes can be reduced, when a slender member is passed through both the inner and outer connecting holes, it can be easily guided into their respective connecting holes. Thus, flexible slender members do not require sharp bending or folding.

[0042] In addition, the central axis of the inner connecting hole is positioned closer to the rear than the center of the horizontal wall in the front-rear direction. Therefore, when the slender member is inserted through the inner and outer connecting holes and the upper connecting end of the slender member is connected to the functional part, it is not necessary to make the flexible slender member bend or deformed in order to prevent it from interfering with the front side of the functional part.

[0043] As a result, for flexible slender members, permanent deformation and damage caused by bending and other factors can be further effectively suppressed.

[0044] Furthermore, by reducing the distance between the inner and outer connecting holes, the thickness of the double wall portion of the double chamber between the inner and outer connecting holes through which the slender member passes can be suppressed, thus enabling the overall miniaturization of the toilet body.

[0045] Preferably, in this invention, the double-walled chamber is formed below the upper storage area, and the elongated member passes through the inner connecting hole from inside the upper storage area into the double-walled chamber.

[0046] In this invention, the elongated member can be smoothly processed by passing through the double-walled chamber formed below the upper storage area.

[0047] In addition, compared with the double wall chamber formed on the side of the upper storage area, the thickness of the side wall of the skirt and the width of the toilet body in the left and right horizontal direction can be suppressed, so that the overall size of the flush toilet can be reduced.

[0048] Preferably, in this invention, the upper connecting portion of the elongated member is connected to the front or side of the functional part. Once it extends to the front or side-sloping lower side, it is then guided to the outside of the toilet body through the inner connecting hole facing the rear-sloping lower side, without passing through the interior of the lower region, through the inner connecting hole and the interior of the double wall chamber.

[0049] In this invention, with such a configuration, the elongated member, since its upper connecting portion is connected to the front or side of the functional portion, once it extends to the frontal or sideal obliquely downward side, and then is directed toward the rear obliquely downward side of the inner connecting hole, it can efficiently pass through the outer connecting hole from the inner connecting hole through the double wall chamber without passing through the interior of the lower region, and can be efficiently guided to the outside of the toilet body.

[0050] Furthermore, regarding the flexible, slender member, by allowing it to pass through the double-walled chamber from the interior of the upper storage area without passing through the interior of the lower area, deformation load on the path of the slender member between the functional section and the supply source is suppressed, while the handleability of the slender member within the limited space of the functional storage section at the rear of the toilet body is further improved. Therefore, the flexible, slender member can also effectively suppress permanent deformation and damage caused by bending, for example.

[0051] The flushing toilet according to the present invention improves the handleability and fire resistance of the flexible, slender member that connects the water or electricity supply source to the functional part, while also improving the overall appearance design of the flushing toilet. Attached Figure Description

[0052] Figure 1 This is an overall structural diagram of the flush toilet according to the first embodiment of the present invention.

[0053] Figure 2 This is an exploded perspective view of the flushing toilet according to the first embodiment of the present invention, viewed from the rear and obliquely above.

[0054] Figure 3 This is a top view of the flush toilet according to the first embodiment of the present invention.

[0055] Figure 4 This is a rear view of the flush toilet according to the first embodiment of the present invention.

[0056] Figure 5 It is along the direction Figure 4 A cross-sectional view of the VV line.

[0057] Figure 6 It is along the direction Figure 3 A sectional view along line VI-VI.

[0058] Figure 7 It is along the direction Figure 3 A sectional view along line VII-VII.

[0059] Figure 8 The flushing toilet according to the second embodiment of the present invention is similar to... Figure 7 Same sectional view.

[0060] Symbol Explanation

[0061] 1- A flushing toilet (mixed flushing toilet) according to the first embodiment of the present invention; 2- Main water supply circuit; 2a- Inner edge side water supply circuit; 2b- Jet side water supply circuit; 2c- Tank side water supply circuit; 2d- Pump water supply circuit; 4- Toilet body; 6- Cleaning water supply device (functional part); 8- Basin; 10- Inner edge; 12- Drainage bend; 12a- Inlet of drainage bend; 12b- Riser of drainage bend; 12c- Downsink of drainage bend; 12d- Top of drainage bend; 12e- Outlet of drainage bend; 14- Inner edge water guide circuit; 14a-Inner edge water outlet; 16-Jet guide channel; 16a-Jet outlet; 18-Switching valve; 20-Water storage tank; 22-Boosting pump; 24-Water stop valve (supply source); 26-Branch connector (supply source); 28-Valve unit; 28a-Water supply pipe elbow; 30-Flow control valve; 32-Diaphragm main valve; 34-Solenoid valve; 36-Controller; 38-Upper float switch; 40-Lower float switch; 42-Skirt; 42a-Rear wall of skirt; 42b-Side wall of skirt; 42c-Outer wall of skirt; 42d-Inner wall of skirt; 42 e - Longitudinal wall portion; 44 - Connecting opening portion; 46 - Drain pipe sleeve receiving portion; 46a - Side wall surface (first side wall surface) of the drain pipe sleeve receiving portion; 46b - Top surface of the drain pipe sleeve receiving portion; 48 - Supporting wall portion; 48a - Joint portion; 48b - Main wall portion; 48c - Auxiliary wall portion; 48d - Horizontal wall portion; 50 - Inner connecting hole; 52 - Outer connecting hole; 54 - Water supply hose (flexible slender member); 54a - Lower connecting portion; 54b - Upper connecting portion; 100 - Flushing toilet according to the second embodiment of the present invention; 104 - Toilet body; 142 - Skirt; 142a - Outer wall of skirt; 148 - Supporting wall; 148a - Auxiliary wall; 148b - Longitudinal wall; 150 - Inner connecting hole; 152 - Outer connecting hole; A1 - Central axis of inner connecting hole; A2 - Center of horizontal plane in front-back direction of horizontal wall; B - Branch; D - Drain pipe; E - Double wall; F - Floor; I - Internal space (double wall chamber); S - Drain pipe sleeve; T - Water tank device; V0 - Rear functional storage section; V1 - Upper storage area; V2 - Lower area; V3 - Lower connecting area; W0 - Main water supply source. Detailed Implementation

[0062] Hereinafter, the flush toilet according to the first embodiment of the present invention will be described with reference to the accompanying drawings.

[0063] First, through Figures 1-3 The overall structure of the flush toilet according to the first embodiment of the present invention is described in summary.

[0064] Figure 1 This is an overall structural diagram of the flushing toilet according to the first embodiment of the present invention. Additionally, Figure 2 This is an exploded perspective view of the flushing toilet according to the first embodiment of the present invention, viewed from the rear and obliquely above. Furthermore, Figure 3 This is a top view of the flush toilet according to the first embodiment of the present invention.

[0065] like Figures 1-3 As shown, the flush toilet 1 according to the first embodiment of the present invention includes: a water supply path (main water supply path 2) through which cleaning water supplied from a main water source W0 such as a tap water pipe passes; a toilet body 4 made of ceramic; and a cleaning water supply device 6.

[0066] Next, as Figures 1-3 As shown, the toilet body 4 includes: a basin 8 for receiving waste; an inner edge 10 formed on the upper edge of the basin 8; and a drain bend 12 extending from the bottom of the basin 8.

[0067] In addition, such as Figures 1-3 As shown, although described in detail later, the flushing water supply device 6 is a functional unit located closer to the rear side than the basin 8 of the toilet body 4, capable of supplying flushing water supplied from the main water supply line 2 to the toilet body 4. More specifically, this functional unit operates electrically and includes a function to control the flow of flushing water to the basin 8 of the toilet body 4.

[0068] Next, as Figure 3 As shown, on the left and right sides of the toilet body 4 (when viewed from the front) Figure 3 An inner edge water guide passage 14 is formed inside the inner edge portion 10 of the toilet body 4 (on the right side).

[0069] On the left and right sides of the toilet body 4 (when viewed from the front) Figure 3 The inner edge 10 (right side of the toilet body 4) has an inner water guide 14 that extends from the rear side of the toilet body 4 toward the front and then bends toward the rear, forming a so-called folded shape.

[0070] In addition, an inner edge water outlet 14a is provided at the downstream end (downstream rear end) of the inner edge water guide 14.

[0071] Furthermore, an inner edge water supply passage 2a of a cleaning water supply device 6 is connected to the upstream side of the inner edge water guide passage 14 of the toilet body 4. The cleaning water supplied from the inner edge water supply passage 2a to the inner edge spout 14a is ejected from the inner edge spout 14a backward into the basin 8, thereby realizing inner edge water discharge.

[0072] Next, as Figure 1 and Figure 3 As shown, a jet water guide path 16 is formed across the span from the outer side of the basin 8 of the toilet body 4 to the bottom. The downstream side of the jet water guide path 16 faces the inlet 12a of the drain bend 12 at the bottom of the basin 8, and a jet nozzle 16a is provided at the downstream end of the jet water guide path 16.

[0073] Additionally, upstream of the jet water guide path 16 of the toilet body 4, a jet-side water supply path 2b of the cleaning water supply device 6 (described in detail later) is provided. The cleaning water supplied from this jet-side water supply path 2b to the jet water guide path 16 of the toilet body 4 is ejected from the jet nozzle 16a to the inlet 12a of the drain bend 12, thereby achieving jet water ejection.

[0074] Here, as Figure 1 As shown, the upstream side of the inner edge water supply path 2a of the cleaning water supply device 6 is connected to the switching valve 18 of the branch section B of the main water supply path 2.

[0075] On the other hand, such as Figure 1 As shown, the upstream side of the spray side water supply path 2b of the cleaning water supply device 6 is connected to the booster pump 22 of the cleaning water supply device 6, which is located downstream of the water storage tank 20 of the cleaning water supply device 6.

[0076] Next, the drain bend section 12 of the toilet body 4 is composed of an inlet section 12a provided at the bottom of the basin section 8, an ascending pipe 12b rising from the inlet section 12a, and a descending pipe 12c descending from the ascending pipe 12b, with the top 12d between the ascending pipe 12b and the descending pipe 12c.

[0077] In addition, such as Figure 1 As shown, the outlet 12e of the downpipe 12c of the drain bend 12 is connected to the inlet of the drain sleeve S located behind and below the toilet body 4.

[0078] Moreover, such as Figure 1 As shown, the outlet of the drain sleeve S on the rear side is connected to the inlet of the drain pipe D extending from the wall (not shown) side behind the toilet body 4. Thus, the drainage discharged from the outlet 12e of the drain bend 12 of the toilet body 4 is discharged from the drain sleeve S to the wall-side drain pipe D, which is called "wall-side drainage".

[0079] Furthermore, the flush toilet 1 of this embodiment is not limited to such a "wall-side drainage" drainage method, but can also be applied to a so-called "floor-side drainage" drainage method in which the drainage discharged from the outlet 12e of the drain bend 12 of the toilet body 4 is discharged from the drain pipe sleeve S to the drain pipe below the mounting surface (floor surface F) of the bottom surface of the toilet body 4.

[0080] Next, through Figure 1 The structure of the flushing water supply device 6 of the flushing toilet 1 according to this embodiment is described in summary.

[0081] First, such as Figure 1 As shown, the cleaning water supply device 6 has a water stop valve 24, a branch joint 26, a valve unit 28 and a switching valve 18 respectively from the upstream side of the main water supply line 2 to the downstream side.

[0082] Next, the valve unit 28 includes a water supply pipe elbow 28a, a constant flow valve 30, a diaphragm main valve 32, and a solenoid valve 34.

[0083] In addition, the cleaning water supply device 6 is equipped with a controller 36. This controller 36 functions as a control unit that controls the opening and closing operation of the valve (solenoid valve 34) of the valve unit 28, the switching operation of the switching valve 18, and the speed or working time of the booster pump 22.

[0084] Furthermore, regarding the cleaning water from the stop valve 24 on the main water supply line 2 through the branch joint 26, the constant flow valve 30 of the valve unit 28 is used to throttle it to a specified flow rate.

[0085] Incidentally, in a flush toilet 1 where a local hygiene cleaning device (not shown) is provided, the branch connector 26 may also be connected to a water supply pipe (not shown) for supplying cleaning water to the local hygiene cleaning device (not shown).

[0086] Furthermore, when the local hygiene cleaning device (not shown) is omitted, the branch connector 26 can also be omitted.

[0087] Furthermore, in valve unit 28, when the solenoid valve 34 is opened under the control of controller 36, the main valve 32 is opened, and the cleaning water flowing from the constant flow valve 30 through the main valve 32 is supplied to the switching valve 18 of the branch section B downstream of the main water supply line 2.

[0088] Here, the switching valve 18 can simultaneously supply cleaning water from the main water supply line 2 to both the inner edge water supply line 2a and the water tank side water supply line 2c, and can arbitrarily change the ratio of the water supplied to the inner edge side and the water tank side.

[0089] Next, the cleaning water supply device 6 includes a water tank device T capable of supplying cleaning water from the main water supply line 2 to the toilet body 4. The water tank device T includes: a water storage tank 20 connected to the rear of the toilet body 4 to store the cleaning water supplied from the main water supply line 2; and a pump (boost pump 22) to pressurize and deliver the cleaning water in the water storage tank 20 to the toilet body 4.

[0090] Furthermore, on the downstream side of the branch B on the downstream side of the main water supply line 2, there are respectively: an inner edge water supply line 2a, which is connected to the inner edge water guide line 14 of the toilet body 4; and a water tank side water supply line 2c, which is connected to the water storage tank 20.

[0091] Thus, the cleaning water supplied from the main water source W0 to the branch B of the main water supply line 2 is used as water for supplying water to the inner edge of the inner edge water supply line 2a and water to the water tank of the water tank side water supply line 2c.

[0092] In addition, the cleaning water supply device 6 is equipped with: a pump water supply line 2d, which extends from the downstream side of the water tank side water supply line 2c to the booster pump 22; and a jet side water supply line 2b, which extends from the booster pump 22 to the downstream side.

[0093] Therefore, in the flush toilet 1 of this embodiment, the flushing water supplied directly from the tap water pipe from the main water supply line 2 is supplied from the inner edge water supply line 2a of the flushing water supply device 6 after flowing through the inner edge guide water line 14 of the toilet body 4 to the inner edge water outlet 14a, and can become the water from the inner edge water outlet 14a (the so-called "inner edge water outlet").

[0094] Furthermore, the cleaning water supplied from the main water supply line 2 to the cleaning water supply device 6 flows through the water tank side water supply line 2c, the water storage tank 20, the pump water supply line 2d and the booster pump 22 of the cleaning water supply device 6, and then flows from the jet side water supply line 2b through the jet guide water line 16 of the toilet body 4 to the jet outlet 16a, which can become the water from the jet outlet 16a (the so-called "jet water discharge").

[0095] That is, the flush toilet 1 of this embodiment functions as a so-called hybrid flush toilet 1, which can use the inner edge flushing water supplied directly from the tap water pipe supplied from the main water supply line 2 and the jet flushing water pressurized by the pressurized pump 22 from the water storage tank 20.

[0096] Next, inside the water storage tank 20, an upper float switch 38 and a lower float switch 40 are respectively installed. The water level in the water storage tank 20 can be detected by these float switches 38 and 40.

[0097] For example, when the water level in the water tank 20 reaches the specified water level, the upper float switch 38 switches to the on position, and the controller 36 detects the on position of the upper float switch 38 and closes the solenoid valve 34.

[0098] On the other hand, in the lower float switch 40, when the water level in the water storage tank 20 drops to a specified water level that is lower than the specified water level detected by the upper float switch 38, it switches to the on state, and the controller 36 detects the on state of the lower float switch 40 and stops the pressurizing pump 22.

[0099] In addition, the pressurizing pump 22 draws the cleaning water stored in the water storage tank 20 to the pump water supply line 2d, and pressurizes the cleaning water from the pump water supply line 2d to the jet side water supply line 2b, thereby discharging it from the jet outlet 16a.

[0100] Through these structures, during normal toilet cleaning, the controller 36 detects the user's operation of the toilet cleaning switch (not shown), etc., and causes the solenoid valve 34, the switching valve 18, and the pressure pump 22 to work in sequence.

[0101] Thus, water is discharged sequentially from the inner edge water outlet 14a and the jet water outlet 16a, and the cleaning water that cleans the inside of the basin 8 is discharged from the drain bend 12 along with the dirt in the basin 8.

[0102] Moreover, after the cleaning is completed, the controller 36 opens the solenoid valve 34, and the switching valve 18 switches to the water supply line 2c side of the water tank side, so that the cleaning water in the main water supply line 2 is replenished to the water storage tank 20.

[0103] Afterwards, the water level in the water storage tank 20 rises. When the upper float switch 38 detects the specified water storage volume, the controller 36 closes the solenoid valve 34, thereby closing the main water supply circuit 2 by the main valve 32 and stopping the water supply.

[0104] In addition, each of these water supply devices 6 (functional units) is housed in a rear functional storage section V0, which is located in an area closer to the rear side than the basin 8 of the toilet body 4 (described in detail later).

[0105] Next, refer to Figures 2-7 The rear functional storage section V0, in which the cleaning water supply device 6 (functional part) in the toilet body 4 of the flush toilet 1 according to this embodiment is housed, and the surrounding structure of the rear functional storage section V0 will be specifically described.

[0106] first, Figure 4 This is a rear view of the flushing toilet according to the first embodiment of the present invention. Next, Figure 5 It is along the direction Figure 4 A cross-sectional view of the VV line. Additionally... Figure 6It is along the direction Figure 3 A sectional view along line VI-VI. Furthermore, Figure 7 It is along the direction Figure 3 A sectional view along line VII-VII.

[0107] Here, in Figures 5-7 In the flush toilet 1 of this embodiment shown, the illustration of the flushing water supply device 6 is omitted.

[0108] First, such as Figures 2-7 As shown, the toilet body 4 has a skirt 42, which is formed on the outer side compared to the respective sides of the basin 8 and the drain bend 12.

[0109] In addition, the rear functional storage section V0 of the toilet body 4 is located in a region that is closer to the rear side than the basin 8 of the toilet body 4, and is closer to the bottom than the upper end of the skirt 42 and closer to the inside than the skirt 42.

[0110] The rear functional storage section V0 includes: a storage area, namely an upper storage area V1, which can store at least a portion of the cleaning water supply device 6 (functional section); a lower area V2, which is configured to be lower and isolated from the upper storage area V1; and a lower connecting area V3, which is adjacent to and isolated from the lower area V2, and can be connected to the lower side of the upper storage area V1.

[0111] That is, since the lower connected region V3 is isolated from the lower connected region V2, it is not connected to the lower connected region V2.

[0112] On the other hand, the lower connecting area V3 becomes a region that allows the upper storage area V1 to connect with the outside of the toilet body 4.

[0113] Next, as Figures 2-7 As shown, the skirt 42 includes: a rear wall portion 42a, which is provided on the back of the toilet body 4; and a side wall portion 42b, which is provided on the left and right sides when the toilet body 4 is viewed from the front.

[0114] Additionally, in the lower part of the left and right center when viewed from the front, a connecting opening 44 for connecting the drain pipe D is formed in a manner that passes through in the front-back direction.

[0115] Moreover, such as Figure 5 As shown, a drain pipe sleeve storage section 46 is formed in front of the connection opening 44 in the lower region V2 of the functional storage section V0 at the rear of the toilet body 4. This drain pipe sleeve storage section 46 functions as a storage area for a drain pipe sleeve S, which is connected to the outlet 12e of the downpipe 12c of the drain bend section 12.

[0116] That is, the outlet 12e of the downpipe 12c of the drain bend section 12 and the drain pipe sleeve S are disposed in the lower area V2 of the functional storage section V0 behind the toilet body 4.

[0117] Next, as Figure 6 and Figure 7 As shown, the rear functional storage section V0 has a support wall 48 that supports the water supply device 6 (functional section). The support wall 48 is divided into an upper storage area V1 and a lower storage area V2, which are located closer to the rear side than the basin 8 of the toilet body 4.

[0118] In addition, the upper storage area V1 of the rear functional storage section V0 is an area that can store at least a part of the cleaning water supply device 6 (functional section).

[0119] Furthermore, the lower region V2 of the rear functional storage section V0 includes the respective opening regions of the connecting opening 44 and the drain pipe sleeve storage section 46.

[0120] Next, as Figure 5 and Figure 6 As shown, the rear wall portion 42a and the side wall portion 42b of the skirt portion 42 form a double wall portion E, which includes: an outer wall portion 42c forming the outer side of the skirt portion 42; and an inner wall portion 42d disposed on the inner side relative to the outer wall portion 42c.

[0121] In addition, the double-walled portion E forms an internal space (double-walled chamber I) between the outer wall portion 42c and the inner wall portion 42d.

[0122] Next, as Figure 6 and Figure 7 As shown, the support wall 48 of the rear functional storage section V0 of the toilet body 4 has a main wall 48b, which divides the area closer to the rear side than the basin 8 into an upper storage area V1 and a lower storage area V2.

[0123] Additionally, the supporting wall portion 48 includes an auxiliary wall portion 48c disposed outside its main wall portion 48b. This auxiliary wall portion 48c includes an inner wall portion 42d of the skirt portion 42 that divides the internal space (double wall chamber I) of the double wall portion E of the upper storage area V1 and the skirt portion 42.

[0124] Moreover, such as Figure 3 , Figure 6 and Figure 7 As shown, the bottom surface on the left and right sides of the auxiliary wall portion 48c (when viewed from the rear side) Figure 6 On the bottom right side of the auxiliary wall portion 48c shown, an inner connecting hole 50 is formed to connect the upper storage area V1 with the lower connecting area V3 (the double wall chamber I of the double wall portion E of the skirt portion 42).

[0125] In addition, such as Figure 2 , Figure 4 and Figure 7 As shown, in the rear wall portion 42a of the skirt portion 42, in the outer wall portion 42c that forms the double wall chamber I corresponding to the lower connecting region V3, an outer connecting hole 52 is formed to connect the lower connecting region V3 with the outside of the toilet body 4.

[0126] Through these inner connecting holes 50 and outer connecting holes 52, the upper storage area V1 of the rear functional storage section V0 can be connected to the outside of the toilet body 4 via the lower connecting area V3, instead of being connected via the lower area V2 of the rear functional storage section V0.

[0127] Next, as Figure 6 and Figure 7 As shown, the auxiliary wall portion 48c having the inner connecting hole 50 includes a horizontal wall portion 48d forming a generally horizontal wall surface. Thus, the inner connecting hole 50 is formed to pass through the generally horizontal wall surface of the horizontal wall portion 48d in the vertical direction.

[0128] In addition, such as Figure 2 , Figure 4 and Figure 7 As shown, the outer wall portion 42c of the lower connecting region V3 (double-walled chamber I) having the outer connecting hole 52 has a longitudinal wall portion 42e, which forms a longitudinal wall surface extending in the vertical direction. Thus, the outer connecting hole 52 is formed to pass through the longitudinal wall surface of the longitudinal wall portion 42e in the front-back direction.

[0129] Moreover, such as Figure 7 As shown, the central axis A1 of the inner connecting hole 50 is positioned closer to the rear than the position of the center A2 in the front-rear direction of the horizontal wall portion 48d, and the outer connecting hole 52 is formed in the outer wall portion 42c of the double wall portion E in the rear wall portion 42a of the skirt portion 42.

[0130] Next, as Figures 2-4 , Figure 6 and Figure 7 As shown, the flush toilet 1 of this embodiment has a flexible, slender member, namely a water supply hose 54. The water supply hose 54 connects a branch joint 26 on the downstream side of the stop valve 24 to a part of the valve unit 28 (water supply pipe elbow 28a) of the flushing water supply device 6.

[0131] Incidentally, the aforementioned inner connecting hole 50 and outer connecting hole 52 also function as holes through which the water supply hose 54 can pass.

[0132] In addition, such as Figures 2-4 , Figure 6 and Figure 7 As shown, the water supply hose 54 includes: a lower connecting end 54a, which is connected to a branch connector 26 disposed on the side of the water supply source for cleaning; and an upper connecting end 54b, which is connected to a part of the valve unit 28 (water supply pipe elbow 28a) of the water supply device 6.

[0133] That is, since the water supply hose 54 extends from its upper connecting end 54b toward its lower connecting end 54a, it is inserted from the upper receiving area V1 into the lower connecting area V3 (double wall chamber I) through the inner connecting hole 50. Then, the water supply hose 54 extends from the lower connecting area V3 through the outer connecting hole 52 to the outside of the toilet body 4 without passing through the inside of the lower area V2, and then the lower connecting end 54a is connected to the water supply source (branch connector 26) near the floor surface F.

[0134] Furthermore, although this embodiment describes the method of connecting the upstream side (lower connecting end 54a) of the water supply hose 54 to the branch connector 26, when the branch connector 26 is omitted due to reasons such as omitting the local cleaning device (not shown), the upstream side (lower connecting end 54a) of the water supply hose 54 can also be directly connected to the stop valve 24.

[0135] In addition, such as Figure 7 As shown, more specifically, the upper connecting end 54b of the water supply hose 54 is connected to the water supply pipe elbow 28a of the valve unit 28 of the cleaning water supply device 6, which extends obliquely forward and downward from the side.

[0136] Subsequently, once the upper connecting end 54b of the water supply hose 54 extends forward or side-sloping downward, it is then connected to the inner connecting hole 50 facing backward.

[0137] Subsequently, the water supply hose 54 passes through the inner connecting hole 50 through the inner connecting hole 52 via the inner connecting hole 50 through the inner connecting hole 52 of the inner connecting hole 50, instead of passing through the inner connecting hole 50 of the lower connecting area V2.

[0138] Next, refer to Figures 1 to 8 The function of the flush toilet 1 according to the first embodiment of the present invention described above will be explained.

[0139] First, according to the first embodiment of the flush toilet 1 of the present invention, a flexible elongated member, namely a water supply hose 54, extends from the upper connecting end 54b toward the lower connecting end 54a. The upper connecting end 54b is connected to a part of the valve unit 28 (water supply pipe elbow 28a) of the cleaning water supply device 6 in the upper storage area V1 of the rear functional storage section V0.

[0140] At this time, the water supply hose 54 can be inserted from the upper storage area V1 without bending or sharp bending into the lower communication area V3 (double wall chamber I) through the inner communication hole 50 of the double wall part E.

[0141] Subsequently, the water supply hose 54 can smoothly extend from the lower connecting region V3 (double wall chamber I) through the outer connecting hole 52 of the double wall portion E to the outside of the toilet body 4 without passing through the interior of the lower region V2.

[0142] Therefore, regarding the water supply hose 54, most of its path can be hidden in the upper storage area V1 or the lower connecting area V3 (double wall chamber I), thus improving the appearance and design of the flush toilet 1.

[0143] Furthermore, by extending the flexible water supply hose 54 from the upper storage area V1 without passing through the lower area V2 into the lower connecting area V3 (double-walled chamber I), deformation stress on the path of the water supply hose 54 between a portion of the valve unit 28 of the cleaning water supply device 6 (water supply pipe elbow 28a) and the source of the cleaning water (branch joint 26 or stop valve 24) can be suppressed. Simultaneously, the manageability of the water supply hose 54 within the limited space of the rear functional storage section V0 of the toilet body 4 can be improved. Therefore, the flexible water supply hose 54 can also suppress permanent deformation and damage caused by bending, for example.

[0144] Furthermore, from a fire prevention perspective, even if a fire occurs on the inner wall behind the toilet body 4 or on the periphery of the floor below the toilet body 4, and the fire spreads from the inner wall or the floor to the combustible space in the lower area V2 of the rear functional storage section V0 of the toilet body 4 or the downstream side of the outlet 12e of the drain bend 12, the upper storage area V1 and the lower connecting area V3 (double wall chamber I) of the rear functional storage section V0 of the toilet body 4 are respectively isolated in the lower area V2.

[0145] Therefore, the risk of fire in the lower region V2 to the cleaning water supply device 6 in the upper storage region V1 and the water supply hose 54 in the lower connecting region V3 (double wall chamber I) can be suppressed, and the fire resistance of the cleaning water supply device 6 and the water supply hose 54 can be ensured.

[0146] Furthermore, even if foreign objects from outside the toilet body 4 enter the lower connecting area V3 (double wall chamber I) through the outer connecting hole 52, the lower connecting area V3 (double wall chamber I) and the upper storage area V1 are separated in a part other than the inner connecting hole 50. Therefore, the cleaning water supply device 6 can be prevented from reaching the upper storage area V1 from the outer connecting hole 52.

[0147] Furthermore, according to the flush toilet 1 of this embodiment, the inner connecting hole 50, which connects the inner wall portion 42d of the upper storage area V1 and the lower connecting area V3 (double wall chamber I), can be formed as a generally horizontal wall surface that connects the horizontal wall portion 48d of the inner wall portion 42d in the double wall portion E. At the same time, the outer connecting hole 52, which connects the inner wall portion 42c of the lower connecting area V3 (double wall chamber I) and the outside of the toilet body 4, can be formed as a longitudinal wall surface that connects the longitudinal wall portion 42e of the outer wall portion 42c in the double wall portion E.

[0148] Therefore, when the water supply hose 54 passes through the inner connecting hole 50 from the inside of the upper storage area V1 and extends from the outer connecting hole 52 from the inside of the lower connecting area V3 (double wall chamber I) to the outside of the toilet body 4, it is not necessary to bend the water supply hose 54 much, and it can pass through smoothly.

[0149] Therefore, the flexible water supply hose 54 can effectively suppress permanent deformation and damage caused by bending, etc.

[0150] Furthermore, according to the flush toilet 1 of this embodiment, the central axis A1 of the inner connecting hole 50 is positioned further rearward than the center A2 in the front-rear direction of the horizontal wall portion 48d, while the outer connecting hole 52 is formed on the outer wall portion 42c of the double wall portion E in the rear wall portion 42a of the skirt portion 42. Therefore, compared to positioning the central axis A1 of the inner connecting hole 50 at a position equal to or in front of the center A2 in the front-rear direction of the horizontal wall portion 48d, the inner connecting hole 50 of the horizontal wall portion 48d can be positioned on the rear wall portion 42a side of the skirt portion 42.

[0151] Therefore, since the distance between the inner connecting hole 50 and the outer connecting hole 52 can be reduced, the water supply hose 54 can be easily guided into its respective connecting holes 50 and 52 when it is passed through the inner connecting hole 50 and the outer connecting hole 52.

[0152] Therefore, the flexible water supply hose 54 does not require sharp bending or folding.

[0153] Furthermore, since the central axis A1 of the inner connecting hole 50 is positioned further back than the center A2 in the front-rear direction of the horizontal wall portion 48d, when the water supply hose 54 is passed through the inner connecting hole 50 and the outer connecting hole 52, it is not necessary to cause large bending deformation of the flexible water supply hose 54 in order to prevent it from interfering with the front side of the cleaning water supply device 6.

[0154] As a result, the flexible water supply hose 54 can be further and more effectively suppressed from permanent deformation and damage caused by bending, etc.

[0155] Furthermore, by reducing the distance between the inner connecting hole 50 and the outer connecting hole 52, the thickness of the double wall portion E of the lower connecting region V3 (double wall chamber I) through which the water supply hose 54 passes can be suppressed, thus enabling the toilet body 4 to be miniaturized as a whole.

[0156] Furthermore, according to the flush toilet 1 of this embodiment, the water supply hose 54 can be smoothly processed by passing through the lower connecting area V3 (double wall chamber I) formed below the upper receiving area V1.

[0157] Furthermore, compared to when the double wall chamber I is formed through the upper storage area V1, the thickness of the side wall portion 42b of the skirt portion 42 and the width of the toilet body 4 in the left and right horizontal direction can be suppressed, thus enabling the overall miniaturization (compacting) of the flushing toilet 1.

[0158] Furthermore, regarding the flush toilet 1 according to this embodiment, since the upper connecting end 54b of the water supply hose is connected to the front or side of the flushing water supply device 6, once it extends to the front or side-downward side, and then through the inner connecting hole to the rear-downward side, it can efficiently pass through the outer connecting hole 52 from the inner connecting hole 50 through the lower connecting region V3 (double wall chamber I) without passing through the interior of the lower region V2, and can be efficiently guided to the outside of the toilet body 4.

[0159] Furthermore, regarding the flexible water supply hose 54, by allowing it to pass through the lower connecting area V3 (double-walled chamber I) from inside the upper storage area V1 without passing through the lower area V2, deformation burden on the path of the water supply hose 54 between a part of the valve unit 28 of the cleaning water supply device 6 (water supply pipe elbow 28a) and the source of the cleaning water supply (branch joint 26 or stop valve 24) can be further improved, while the handleability of the water supply hose 54 in the limited space of the rear functional storage section V0 of the toilet body 4 can be further improved.

[0160] Therefore, the flexible water supply hose 54 can also effectively suppress permanent deformation and damage caused by bending, etc.

[0161] Next, refer to Figure 8 The flush toilet 100 according to the second embodiment of the present invention will be described.

[0162] Figure 8The flushing toilet according to the second embodiment of the present invention is similar to... Figure 7 The same sectional view. Here, in Figure 8 In the flush toilet 100 according to the second embodiment of the present invention shown, for the use of... Figure 7 The parts that are the same as those in the flush toilet 1 according to the first embodiment of the present invention are marked with the same symbols and the description of these is omitted. Only the different structural parts are described.

[0163] First, such as Figure 8 As shown, in the toilet body 104 of the flush toilet 100 according to the second embodiment of the present invention, the auxiliary wall portion 148a of the support wall portion 148 with the inner connecting hole 150 has a longitudinal wall portion 148b, which forms a longitudinal wall surface extending in the vertical direction. Thus, the inner connecting hole 150 is formed to pass through the longitudinal wall surface of the longitudinal wall portion 148b in the front-back direction.

[0164] In addition, such as Figure 8 As shown, an outer connecting hole 152 is formed on the outer wall portion 142a of the skirt portion 142 that forms the lower connecting region V103 (double wall chamber I).

[0165] According to the second embodiment of the present invention described above, the flush toilet 100 allows the water supply hose 54 to pass through the inner connecting hole 150 from the upper storage area V101 and extend from the lower connecting area V103 (double wall chamber I) outward from the outer connecting hole 152 to the outside of the toilet body 4 without requiring significant bending, thus enabling it to pass through smoothly.

[0166] In addition, since the distance between the inner connecting hole 150 and the outer connecting hole 152 in the front-back direction can be reduced, the toilet body 104 can be miniaturized as a whole while ensuring the upper storage area V101.

[0167] Furthermore, by reducing the distance between the inner connecting hole 150 and the outer connecting hole 152 in the front-back direction, when the water supply hose 54 is passed through the inner connecting hole 150 and the outer connecting hole 152, it can be easily guided into the respective connecting holes 150 and 152. Therefore, the flexible water supply hose 54 does not need to be bent or subjected to sharp bending.

[0168] Therefore, the flexible water supply hose 54 can effectively suppress permanent deformation and damage caused by bending, etc.

[0169] In the flush toilets 1 and 100 according to the first and second embodiments of the present invention described above, although the water supply hose 54 is used as a flexible and slender member, it is not limited to this method, but can also be applied in other ways.

[0170] For example, as another flexible slender member, it is possible to use two water supply hoses: a toilet cleaning hose 54 for supplying cleaning water to the cleaning water supply device 6 and a local cleaning hose for supplying cleaning water to the local cleaning device (not shown), such that these two water supply hoses pass through the inner connecting holes 50 and 150 and the outer connecting holes 52 and 152, respectively.

[0171] Alternatively, as another flexible elongated member, it can be a flexible wiring hose that passes through multiple power supply wires for supplying power to the flushing water supply device 6, the partial washing device (not shown), and the heater device (not shown) for cold regions, etc., which are disposed in the toilet body 4, 104, respectively, so that the flexible wiring hose passes through the inner connecting holes 50, 150 and the outer connecting holes 52, 152.

Claims

1. A flushing toilet that uses flushing water to clean and dispose of waste, characterized in that, It has: a pottery toilet body, a basin for receiving waste, a drain bend including an inlet connected to the bottom of the basin and an outlet for discharging waste from the basin, and a skirt formed on the outside of the basin and the drain bend. The functional part is located closer to the rear side than the basin of the toilet body, and has at least the function of controlling the discharge and stopping of the washing water to the basin. The power supply source is located at a position closer to the bottom than the functional part and outside the toilet body, and is capable of supplying water or electricity to the functional part. And a flexible, slender member connecting the supply source and the functional part. The earthenware toilet body also has a rear functional storage section that can accommodate at least a portion of the functional parts. The rear functional storage section includes: a support wall portion that divides the area of ​​the toilet body closer to the rear than the basin portion into upper and lower regions, while supporting the functional section; an upper storage region formed in the area closer to the upper portion than the support wall portion, which stores at least a portion of the functional section; a lower region formed in the area closer to the lower portion than the support wall portion, isolated from the upper storage region, and having an outlet portion of the drain bend; and a lower connecting region formed adjacent to but isolated from the lower region, which does not connect to the interior of the lower region, and allows the upper storage region to connect to the exterior of the toilet body via an outer connecting hole formed outside the skirt portion. The flexible, elongated member has an upper connecting end connected to the functional part and a lower connecting end connected to the supply source. It extends from the upper connecting end toward the lower connecting end, so that after being inserted from the upper receiving area into the lower communicating area, it extends from the lower communicating area through the outer communicating hole to the outside of the toilet body without passing through the interior of the lower area, and then the lower connecting end is connected to the supply source.

2. The flushing toilet according to claim 1, characterized in that, The skirt portion has a rear wall portion and a side wall portion forming its back and side respectively. At least a portion of the side wall portion or the rear wall portion of the skirt portion forms a double wall portion. The double wall portion has an outer wall portion forming the outer side of the skirt portion and an inner wall portion disposed on the inner side of the outer wall portion. At least a portion of the double wall portion forms a double wall chamber between the outer wall portion and the inner wall portion in the lower communicating region of the rear functional storage portion. An inner wall portion forming the double-walled chamber has an inner communication hole that allows communication between the interior of the upper storage area and the interior of the double-walled chamber. An outer wall portion forming the double-walled chamber has an outer communication hole that allows communication between the interior of the double-walled chamber and the exterior of the toilet body. The flexible, elongated member extends from the upper connecting end of the upper storage area toward the lower connecting end, thereby being inserted from the upper storage area into the double wall chamber via the inner communicating hole of the double wall portion, and then extending from the double wall chamber to the outside of the toilet body via the outer communicating hole of the double wall portion without passing through the interior of the lower area, after which the lower connecting end is connected to the supply source.

3. The flushing toilet according to claim 2, characterized in that, The inner wall portion of the double-walled chamber includes a horizontal wall portion forming a generally horizontal wall surface, and the inner connecting hole is formed to penetrate the generally horizontal wall surface of the horizontal wall portion. The outer wall portion of the double wall portion forming the double wall chamber has a longitudinal wall portion forming a longitudinal wall surface extending in the vertical direction, and the outer connecting hole is formed to penetrate the longitudinal wall surface of the longitudinal wall portion.

4. The flushing toilet according to claim 3, characterized in that, The central axis of the inner connecting hole is positioned further back than the center of the horizontal wall portion in the front-rear direction, and the outer connecting hole is formed on the outer wall portion of the double wall portion in the rear wall portion of the skirt portion.

5. The flushing toilet according to any one of claims 2 to 4, characterized in that, The double-walled chamber is formed below the upper storage area, and the elongated member passes through the inner connecting hole from inside the upper storage area into the double-walled chamber.

6. The flushing toilet according to any one of claims 2 to 4, characterized in that, The upper connecting portion of the elongated member is connected to the front or side of the functional part. Once it extends to the front or side-downward side, it is then guided to the outside of the toilet body through the inner connecting hole facing the rear-downward side, without passing through the interior of the lower region, through the outer connecting hole via the double wall chamber.

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