JP4941019B2 - Sanitary washing device - Google Patents

Description

  The present invention relates to a method for preventing water leakage of a sanitary washing device used in a toilet bowl.

  For example, as shown in FIG. 9, this type of sanitary washing apparatus includes a main body w having a toilet seat and a valve lid (not shown), and a hot water supply mechanism d for cleaning is provided in the main body w. In the hot water supply mechanism d, the water receiving part c in the main body w is connected to a water supply pipe g to a low tank for drainage (which may be a flush valve type or a toilet bowl integrated type) f by a connecting pipe b. A branch connection is made to a water supply part a having a built-in water stop valve h. The water stop valve h remains open during normal times other than connection work and connection release work, the low tank f is supplied with water based on the water level adjustment by the float valve f1, and the hot water supply mechanism d has a water stop solenoid valve s. Water is supplied in a timely manner by opening and closing according to the presence or absence of a water supply signal. The water receiving part c receives water through the strainer o and supplies it to the hot water supply mechanism d side through the check valve p. The water receiving part c includes a drain plug q for cleaning and the like. The warm water supply mechanism d heats the received water by the heater i to make warm water, supplies it to the cleaning nozzle by the pump j, and cleans the object to be cleaned. The cleaning is mainly a human buttocks and a bidet local cleaning, but in the illustrated example, in addition to the dedicated buttocks cleaning nozzle l, the bidet cleaning nozzle m or the common cleaning nozzle, cleaning for cleaning the buttocks cleaning nozzle l and the bidet cleaning nozzle m A nozzle n is provided and is used by switching according to an operation signal.

  In addition to the instantaneous heat exchange type shown in the figure, the hot water supply mechanism d includes a hot water storage type that supplies hot water to be generated while storing hot water. Especially in the instantaneous heat exchange type, the water received by the water receiving part c is passed through the heat exchange part with the heater i via the constant flow valve r, the water stop solenoid valve s and the flow sensor t, and the flow rate and the heater i are energized. It is used for washing while generating warm water at a temperature set in a precise relationship with the W number. Therefore, in the instantaneous water heater type, the water stop solenoid valve s described above is opened every time various cleaning signals are output, and the water stop solenoid valve s is closed by a cleaning end signal. Between the water stop solenoid valve s and the flow rate sensor t, an air release valve u that prevents the generation of negative pressure and an escape passage v that discharges excess water into the toilet bowl are provided.

On the other hand, for the water supply hose that connects the sanitary washing device to the tap at the end of the water pipe, the outermost surface is made of styrene-based elastomer or olefin-based elastomer. In addition, a technique for making it environmentally friendly during incineration is also known (see, for example, Patent Document 1).
JP 2001-200570 A

However, when installing the sanitary washing apparatus, it is necessary to perform a construction for connecting the water receiving part c of the hot water supply mechanism d and the water supply part a on the water pipe e side by the connecting pipe b. The connection between the connection pipe b and the water receiving part c is a straight connection, but the water supply part a is a branch connection part that connects the water supply pipe e to the water supply pipe g and the connection pipe b. If the toilet is installed, the cheese-type connector may be connected to the water supply part a, but in the case of retrofitting, the connection between the water supply part a and the water supply pipe g is removed and the cheese-type connector is used. It will take time and effort to rework. In any case, even if the sanitary washing device is functioning normally, if there is a deficiency in the water supply pipe connection, a problem of water leakage occurs. In addition, it is used for a long period of 10 years or more after construction, and there is a situation where the problem of water leakage cannot be solved, such as an unexpected force is applied to the pipe connection due to fluctuations in water pressure. Such water leakage occurs on the floor of a semi-residential space, such as a flooring of a toilet room, and also leaks in the primary side with respect to the water stop solenoid valve s, that is, in a range where water pressure from the water pipe e always works. This is a big problem because the floor surface is likely to be submerged, for example, because it does not stop and does not enter frequently, and the discovery tends to be delayed.

  In addition, although the position of the water supply port in the toilet room of the water supply pipe e is almost behind the installation position of the toilet bowl, the position of the water supply port is different from side to side and the distance is different. For this reason, it is usually a flexible hose. However, excessive bending, twisting, compression, and rubbing during routing and connection can cause fatigue and cause early water leakage.

  The present inventor has thought to detect and notify these water leaks and encourage the user to take measures. However, depending on the amount of water leaks, it may be unavoidable that the floor surface is flooded.

  Therefore, it is required to take measures to minimize the occurrence of damage caused by inadequate piping connections or inadequate handling of connecting pipes.

  The purpose of the present invention is to prevent water leakage even if there is water leakage in the connecting pipe where water pressure is applied in the connecting range of the water supply part on the water pipe side and the water receiving part on the main body side, and notify if necessary An object of the present invention is to provide a sanitary washing device that can be used.

  In order to solve the above-described conventional problems, a sanitary washing device of the present invention includes a main body installed on a toilet, a water supply unit for supplying water from a water supply source to the main body, and water passing from the water supply unit to the main body. A connecting pipe that covers the outer periphery of the connecting pipe, and a connecting rib that holds a gap between the connecting pipe and the cover pipe is provided, and water leaked from the connecting pipe is received by the cover pipe and drained into the toilet. It was set as the structure to do.

  As a result, water leakage from the connecting pipe can be received by the cover pipe, and can be reliably guided into the main body through the gap and drained into the toilet. Therefore, a safe and comfortable sanitary washing device can be provided.

  The present sanitary washing device can be used safely even if water leaks from the connecting pipe.

  According to a first aspect of the present invention, there is provided a main body installed on a toilet bowl, a water supply section for supplying water from a water supply source to the main body, a connection pipe for passing water from the water supply section to the main body, and the connection pipe. A cover tube that covers an outer periphery, a connection rib that holds a gap between the connection tube and the cover tube is provided in at least one of the connection tube and the cover tube, and at least leakage from the connection tube Even if the pipe is broken due to water pressure, material deterioration, etc. due to water pressure and material deterioration by leaking into the toilet body through the gap and guided into the main body through the gap, the drainage path provided in the main body, The water received in the cover tube is surely guided into the main body through the gap and drained into the toilet bowl, so it does not get wet in the toilet where the sanitary washing device is installed or in the sanitary washing device main body, so it is safe and comfortable Cleaning equipment It can be provided.

  In the second invention, in particular, in the first invention, the connecting rib is formed on the cover tube, and the connecting rib is configured to be in close contact with the outer surface of the connecting tube, so that the connecting tube and the cover tube can be easily manufactured. Thus, it is possible to provide an inexpensive configuration with good performance against water leakage. In addition, since the cover pipe can be configured after confirming the water pressure resistance of the connecting pipe and water leakage, the performance is ensured and the reliability is improved.

  In the third aspect of the invention, in particular, in the first or second aspect of the invention, the cover tube is made of a transparent material, so that the user can visually detect the leakage of the connecting tube.

  In the fourth aspect of the invention, in particular, in the third aspect of the invention, by applying a coating that changes color when water adheres to the inner surface of the cover tube, it is possible to visually notify water leakage by a change in the color of the cover tube. Therefore, safety and maintainability can be improved.

  In the fifth invention, in particular, in any one of the first to fourth inventions, the connecting pipe and the cover pipe are formed of a flexible material, so that the pipe processing can be easily performed even in a narrow toilet space.

  The sixth aspect of the present invention is the cover pipe of any one of the first to fifth aspects of the invention, and the cover pipe is formed of a material having elasticity, so that it can be attached to the outer shell of the pipe later on an existing product. Since it becomes possible to cover the connection part of a main body and the connection part of a water supply part by this, the leak of a piping part and a connection part can be prevented.

  In the seventh aspect of the invention, in particular, in any one of the first to sixth aspects of the invention, the water leakage detection means is arranged in the gap, so that water leakage can be reliably detected and water leakage to the outside causes expansion damage Can be prevented.

  In the eighth aspect of the invention, in particular, in the seventh aspect of the invention, the notification means for notifying the result detected by the water leakage detection means is arranged, so that visual or auditory notification can be given to the user. You can notify early and minimize damage.

  Hereinafter, the sanitary washing apparatus of the present invention will be described with reference to FIGS. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
As shown in FIG. 1, the sanitary washing device 10 of the present embodiment has a main body 2 installed on the rear part of the toilet 1, and the toilet seat 3 stands on the main body 2 from the mounting position on the toilet 1. In addition to the basic structure that supports each so that the toilet lid 4 can be pivoted to the raised position and the toilet lid 4 can be opened and closed on the toilet seat 3 placed in the toilet bowl 1, a virtual line in FIG. The warm water supply mechanism 5 as described above is incorporated. The hot water supply mechanism 5 is connected by a connecting pipe 9 and a water supply part 8 of a water pipe 7 protruding on the wall surface 6 of the rear part of the toilet 1 shown in FIG. 1 as in the examples shown in FIGS. A water receiving part 11 for receiving water, making the received water warm water, and washing operation from the operation part 13 provided on the side wall 12 of the toilet bowl 1 or the main body 2 as shown in FIG. In accordance with the cleaning end operation, as described above, it is supplied to the cleaning nozzle 14 or the like for cleaning, or the supply is stopped. The water receiving part 11 has the same function as that described above, including the drain plug 11a.

  The connection between the water supply unit 8 and the water receiving unit 11 by the connecting pipe 9 is indispensable, and the installation work is left to the contractor or user, so that the sanitary washing device 10 is functioning normally as described above. However, if there is a deficiency in the connection of the water supply pipe, there is a problem of water leakage in the water supply pipe where water pressure is constantly applied. In addition, since PVC and other known flexible hoses are used for free routing of the connecting pipe 9, fatigue and early fatigue due to excessive bending, twisting, compression, and rubbing during routing and connection. It may cause water leakage.

In order to avoid such water leakage from flooding the floor where flooring of the toilet room is performed, in the present embodiment, examples of FIGS. 1 to 6A, FIGS. 6B and 7 are used. As shown in the example, when there is water leakage in the connection range connected by the connecting pipe 9 from the water supply part 8 to be located outside the main body 2 to the water receiving part 11 of the hot water supply mechanism 5 in the main body 2, This water leakage is received in the cover tube 15 covering the outer periphery of the connection range and guided into the main body 2, and a predetermined drainage path 17 as shown in FIGS. 2, 5, 6 (a) and 6 (b) in the main body 2. A water leakage treatment method of draining into the toilet bowl 1a of the toilet bowl 1 is adopted. Thereby, even if there is water leakage due to poor connection or poor connection pipe in the connection range of the water supply part 8 outside the main body 2 and the water receiving part 11 inside the main body 2, the water leaks around the outside of the connection range. It will be received by the covering cover tube 15 and will not leak to the outside. The cover tube 15 guides the received water leakage into the main body 2, and the toilet bowl 1 in which the sanitary washing device 10 is installed in a predetermined drainage path 17 in the main body 2 to avoid the control board electrical equipment in the main body 2. The waste water in the toilet bowl 1a can be discharged. The cover tube 15 is also flexible like the connection tube 9 so that it can be freely routed when the connection tube is connected.

  As described above, even if water leaks due to poor connection or poor connection pipe in the connection range of the water supply part 8 outside the main body 2 and the water receiving part 11 in the main body 2 due to poor connection or poor connection pipe, the leakage is connected to the connection pipe 9. Since it drains into the toilet bowl 1a through a predetermined drainage path 17 that is confined in the outer cover tube 15 and guided into the main body 2 to avoid electrical equipment in the main body 2, the surrounding floor surface is submerged by water leakage. It can be avoided that the electric equipment in the main body 2 is affected.

  In order to realize such a method, the sanitary washing device 10 of the present embodiment is configured such that the water receiving portion 11 is connected to the cleaning nozzle 14 described above in the main body 2 and the external water supply portion 8 by the connecting pipe 9. It has a hot water supply mechanism 5 that supplies the washed water as warm water to the cleaning nozzle 14, and if there is water leakage in the connection range from the water supply unit 8 to the water receiving unit 11 in the main body 2, this water leakage is guided into the main body 2. A cover pipe 15 covering the outer periphery of the connection range as described above, and a drainage path 17 for draining the water leaked by the cover pipe 15 to the inside of the main body 2 into the toilet bowl 1a of the toilet bowl 1 through a predetermined path in the main body 2. More specifically, the end portion of the cover pipe 15 on the water supply portion 8 side is hermetically covered around the outside of the connection range, and the end of the cover tube 15 on the water receiving portion 11 side is covered. The part is provided so as to surround the outer circumference of the water receiving part 11 slightly larger. Connection pipe 9 is connected together fitted with a retaining flange portion 15a on the inner periphery of the opening 23a which penetrates the inlet chamber 23.

  Thus, the water leakage received by the cover tube 15 is guided into the introduction chamber 23 by natural flow or overflow without being affected by the height relationship between the water supply unit 8 and the water receiving unit 11. As shown in FIGS. 5 and 6A, the predetermined drainage path 17 is a closed path connected to the introduction chamber 11b partitioned and formed in the main body 2 itself by a matching structure of the bottom plate 21 and the cover plate 22 of the main body 2. As shown in FIG. 6B and FIG. 7, it can be provided as a pipe line by a tube connected to the introduction chamber 23. In any case, the drainage path 17 is a closed path, so that the leaked water guided to the introduction chamber 23 in the main body 2 by the cover tube 15 does not touch the electrical equipment, and from the heat exchange section, hot water storage section, etc. It is possible to prevent the steam generated by heat and the like from reaching the electric equipment and to treat the waste water into the toilet bowl 1a of the toilet bowl 1.

  Further, when the drainage path 17 is a pipe, it is closed as it is, and there is an advantage that a special molding path is not required in the main body 2. Further, in the illustrated example, the drainage channel 17 shares a return port 24 that overflows excess water in the middle of the water supply route from the water receiving unit 11 to the hot water supply mechanism 5 and returns it to the toilet bowl 1a as described above. In addition, when the overflow water is dropped on the remaining water surface 1b to return it into the toilet bowl 1a, it will bounce off or fall off and become uncomfortable for the user in use. Therefore, as shown in FIG. It falls on the inclined surface 1c and is transferred down to the remaining water surface 1b to prevent rebound and noise. Therefore, the same effect can be obtained when draining the leaked water into the toilet bowl 1a.

However, the drainage into the toilet bowl 1a of the leaked water can be announced on the remaining water surface 1b by making a noise by making a sound. In this case, when the drainage path 17 is a pipe, the pipe can be protruded from the return port 24, so that handling different from the return of the overflow water can be easily performed.

  Further, when there is water leakage, the water leakage sensor 31 detects it and makes a visual or audible notification. In this way, the leakage sensor 31 detects the leakage and notifies the user that there is leakage, making it easier to notice early. In the visual notification, a lighting display with characters on the operation unit 13 or the like can be performed, and the content of the notification or the content of the measure can also be clearly indicated. The auditory notification has an advantage that it can be notified to the user outside the toilet room, and if the voice is used, the content of the notification and the content of the measure can be recognized. For this purpose, there are a water leakage sensor 31 for detecting the water leakage that the cover tube 15 leads into the receiving body 2, and a water leakage notification means 33 for visually and / or auditory notification when there is an electrical water leakage detection signal by the water leakage sensor 31. The water leakage notification means 33 may operate the display unit 13a, the buzzer 13b, a speaker, or the like using the liquid crystal or lamp of the operation unit 13 according to the notification format.

  As shown in FIG. 1, the water leakage sensor 31 is located in the cover tube 15 in front of the connection portion with the water receiving portion 11 in the main body 2 or in the vicinity of the connection portion with the water supply portion 8 or the water supply portion 8. If it is provided at the position of the sealed airtight side, the water leakage sensor 31 is located near both ends of the cover tube 15 that are easy to install, and installation is not troublesome. There is an advantage that it is easy to detect at an early stage, even if water leakage that occurs easily on either side occurs. However, since the water leakage is always guided into the main body 2, the water leakage can be reliably detected if it is on the connection portion side with the water receiving portion 11.

  As shown in FIG. 1, the connection pipe 9 is connected to the water supply section 8 by one or more of the cheese 25 connecting the water stop valve 8 a of the water supply section 8 and the water supply pipe 19 to the low tank 18. As shown in FIGS. 3 (a), 3 (b), and 8 (a) to 8 (e), it is elastically fitted to the branch connection port 25a having a strip. Connection with the water receiving part 11 is performed by elastically fitting to the connection port 11b having a plurality of retaining seal ridges of the water receiving part 11 as shown in FIGS. However, it is not limited to this.

  On the other hand, as shown in FIGS. 2, 3 (a), 3 (b), and 8 (a) to 8 (e), the sealed state by sealing the cover tube 15 on the water supply unit 8 side is cheese. 25 at the fitting part around the base portion of the branch connection port 25a, and the cover tube 15 covers the connection boundary portion 26 shown in FIGS. 3 (a) to 3 (c) between the connecting pipe 9 and the water supply part 8 and from there. If there is any water leakage, it is received in the cover tube 15.

  However, the outer periphery of the water stopcock 8a and the water supply pipe 7 and the water supply so as to cover the whole connection part at the three places by the cheese 25 or the whole including the water stopcock 8a as shown in FIG. It can also be set in a sealed state at the fitting portion with the outer periphery of the pipe 19, and can cope with water leakage after the water pipe 7.

  In particular, in the example shown in FIGS. 3A to 3C, the water stop electromagnetic valve 16 originally installed in the main body 2 is moved to the water supply unit 8 side in the connection range, and the main unit 2 side or the operation unit 13 is moved. Remote control is performed from the side by wireless or wired. Thereby, the piping after the water stop solenoid valve 16 becomes a secondary side, and the primary pressure which is a water supply pressure is not always applied, and there is an advantage that water leakage into the cover tube 15 itself can be suppressed. In this sense, if the water stop solenoid valve 16 is provided on the water supply unit 8 side, the primary pressure is not always applied to the connection part between the water supply unit 8 and the connecting pipe 9. Since the primary pressure is not always applied to the connecting portion of the portion 8 itself, it is more suitable for suppressing water leakage including reducing fatigue of the seal packing provided at the connecting portion.

However, if the remote operation is wireless, the communication mechanism causes an increase in cost, and if it is wired, the external wiring is deteriorated in appearance and may be damaged, so that a waterproof structure is provided between the connecting tube 9 and the cover tube 15. This leads to the wiring of the conducting wires, which is troublesome and increases costs. From this point of view, it is advantageous in terms of cost to provide the water stop solenoid valve 16 in the main body 2. In addition, when providing the conducting wire for the wired remote operation between the connection pipe 9 and the cover pipe 15, it is suitable to wire to the connection pipe 9 side with high support stability.

  The introduction chamber 23 shown in FIGS. 4, 5, and 6 (a) is formed in a state of being connected to each other together with the drainage path 17 described above between the mating portions of the bottom plate 21 and the cover plate 22 of the main body 2. The opening 23a is also formed in a two-ply structure with the bottom plate 21 and the cover plate 22, and fitting with the end portion of the cover tube 15 having the retaining flange portion 15a is performed by clamping pressure by the opening 23a.

  The introduction chamber 23 in the example shown in FIGS. 6B and 7 is formed independently from the bottom plate 21 and the cover plate 22 and has an end portion having a retaining flange portion 15a of the cover tube 15 as shown in FIG. In addition to the opening 23a for elastic fitting, the connection port 11b has a seal structure by the O-ring 27 extending from the water receiving portion 11 and is sealed by the O-ring 28 on the outer periphery of the base connection port 11c. It has a structure and has an opening 23b to be fitted outside, and also has a connection hole 23c for connecting the base portion of the drainage passage 17 by a tube by press fitting or bonding as shown in FIG. 6B. .

  Since the cover tube 15 only accepts water leakage and guides it into the main body 2, the water pressure does not work unless the connection tube 9 is ruptured. Therefore, the pressure resistance is low and the connection tube 9 is more flexible and flexible. Can be made of a high material. As a result, the connecting tube 9 and the cover tube 15 can be easily routed when the sanitary washing device 10 is installed, and the user may touch the exposed cover tube 15 after installation to exert an external force. However, since the cover tube 15 has flexibility and flexibility, the external force can be buffered and is not easily damaged.

  In addition, the cover tube 15 does not need to be sealed so much for sealing on the water supply unit 8 side or for connection with the water receiving unit 11, but it is sufficient to prevent secondary leakage from the cover tube 15. It is preferable to ensure the state. Therefore, in the example shown in FIG. 3A, the elastic ring 34 provided integrally with the end of the cover tube 15 is elastically fitted to the outer periphery of the base of the branch connection port 25 a of the cheese 25. However, other seal structures can be employed as required.

  In the example shown in FIG. 3B, the initial double structure of the connecting pipe 9 and the cover pipe 15 and the initial connection structure of these and the branch connection port 25a are particularly inconvenient in handling. Since there is an advantage that it can be handled as one part which is not bulky, the metal ring 35 is fitted on the outermost circumference of the fitting portion of the connecting pipe 9 and the cover pipe 15 to the outer circumference of the branch connection port 25a and caulking is performed. The assembly is compressed and integrated by the portion 35a. However, the integration is not limited to this, and various methods such as adhesion, welding, and resin winding by insert molding can be used.

  8A to 8E show various non-integrated sealing structures. In any case, unlike the cases of FIGS. 3A to 3C, the branch connection port 25a of the cheese 25 has a plurality of retaining seal ridges by being internally fitted through an O-ring 36. The connection port 37 is provided, and the end of the cover tube 15 is fitted and sealed to the outer periphery of the branch connection port 25a of the cheese 25 exposed thereby.

  In the example of FIG. 8A, the reduced diameter portion 15b formed at the end of the cover tube 15 is elastically fitted to the outer periphery of the base of the branch connection port 25a.

On the other hand, in the example of FIG. 8 (e), the slightly reduced diameter portion 15c of the cover tube 15 is elastically fitted to the entire outer periphery of the branch connection port 25a having the retaining seal protrusions, and FIG. In the example of (d), the reduced diameter portion 15 having a plurality of chevron thickening ridges on the outer periphery of the cover tube 15 and increasing the elastic force.
d is elastically fitted.

  In the example of FIG. 8 (b), an inwardly folded portion 15e formed at the end of the cover tube 15 is fitted to the outer periphery of the branch connection port 25a, and the folded portion 15e is provided on the outer periphery of the branch connection port 25a. 25b is elastically fitted and sealed and prevented from coming off, and even if an internal pressure is applied, the folded portion 15e is pressed against the outer periphery of the branch connection port 25a by the internal pressure, so that it is easy to prevent water leakage. is doing.

  In the example of FIG. 8C, a metal screw ring 15f that is integrated by insert molding or the like is provided at the end of the cover tube 15, and the outer periphery of the branch connection port 25a has a seal structure with an O-ring 38. The fitted screw ring 39 has a seal structure with an O-ring 40 so that the screw ring 15f is screw-fitted. However, the O-ring 40 can be omitted if the screw fitting portion 41 is a fine screw with good sealing properties.

  In this embodiment, a water leakage sensor that detects electrically is adopted as the water leakage detection means. However, the above method requires a plurality of parts for the water leakage sensor and the water leakage notification means, which may lead to an increase in cost. Therefore, it is conceivable that the cover tube 15 is formed of a transparent material as a simple water leakage detection means. When water leaks by this, it can recognize directly visually.

  In addition, by applying a paint that changes color when water adheres to the inner surface of the cover tube 15 made of a transparent material, it becomes possible to recognize water leakage more reliably. The water leakage detection means can be realized at low cost at a low cost.

(Embodiment 2)
FIG. 9A to FIG. 9C show specific configurations of the connecting pipe and the cover pipe in the second embodiment. The present embodiment is different from the first embodiment in that a plurality of connection ribs 42 are disposed in the gap between the connecting tube 9 and the cover tube 15 and between the connecting tube 9 and the cover tube 15. Thus, the gap is surely secured, and water leakage can be more reliably guided by the cover tube 15 and drained to the toilet 1.

  As a method of concretely implementing the above configuration, as shown in FIGS. 9A and 9B, the connection rib 42 is formed integrally with the connecting tube 9 and the cover tube 15, and FIG. 9C. As shown in FIG. 4, there is a method in which the connecting pipe 9 is formed separately and only the connecting rib 42 and the cover pipe 15 are formed integrally.

  As shown in FIGS. 9A and 9B, when the connecting rib 42 is formed integrally with the connecting tube 9 and the cover tube 15, the same molding process is performed by extrusion molding of a resin having flexibility. Since it can be processed, it can be provided at a low cost. However, since the connecting rib 42, the connecting tube 9 and the cover tube 15 use the same material, it is not possible to select an optimal material for each part. There is also a problem.

  On the other hand, as shown in FIG. 9C, when the connecting pipe 9 is formed separately and the cover pipe 15 formed integrally with the connecting rib 42 is covered with the connecting pipe 9, the connecting pipe 9 and the cover pipe 15 are Since a different material can be selected, a resin material may be used as the material of the connecting tube. For example, the connecting tube 9 is a metal material having flexibility mainly composed of copper or aluminum. The cover tube 15 may be formed of a transparent resin having flexibility, and the connecting tube 9 may be inserted into the cover tube 15. By using a metal material, pressure resistance and durability can be improved.

  Further, when the connecting rib 42 is not integrally formed with the connecting pipe 9 but only with the cover pipe 15, the connecting pipe 9 side of the connecting rib 42 is wider than the rib width on the cover pipe 15 side. By improving the adhesion or by improving the adhesion as a shape that closely resembles the outer shape of the connecting pipe 9, it is possible to prevent water from entering the adjacent gaps and to easily prevent water leakage to the outside.

  Further, as shown in FIG. 9B, the number of connection ribs 42 can be increased to four, and by increasing the number of connection ribs 42, the gap between the connecting tube 9 and the cover tube 15 can be stabilized more stably. In addition, it is possible to reduce the possibility that the connection pipe breaks due to water pressure and the cover pipe breaks due to external stress, and it is easy to prevent water leakage to the outside.

  In any of the above-described configurations, the connecting rib 42 and the connecting pipe 9 are in close contact with each other, and are arranged so that water does not enter the adjacent gap across the connecting rib 42. Therefore, when installing a water leakage sensor, it is necessary to arrange | position for every gap | interval isolate | separated by the connection rib 42. FIG. For this reason, providing a large number of connection ribs 42 requires a large number of water leakage sensors as water leakage detection means, so the number of connection ribs 42 is preferably about 2 to 4.

  Since the present invention can perform water leakage treatment of the connecting pipe between the water supply section and the water receiving section, it can be applied to other water supply application equipment that is used by connecting to a water pipe.

The perspective view which shows the installation state of the sanitary washing apparatus in Embodiment 1 of this invention. The top view which match | combined the partial cross section of the water supply part and water receiving part of the sanitary washing apparatus of FIG. 1, and the baseplate part of the main body. (A) Rear view of the connection range of FIG. 2 partially viewed from the water supply section side (b) Partial sectional view of another example of the connection range (c) Part of another example of the connection range Cross section The side view which looked at a part of the main body by sectioning the connection part of the water receiving part and the connecting pipe in the main body shown in FIG. 2 and FIG. Sectional view of the connection position between the introduction chamber of the main body and the drainage channel for draining the water leaked to the introduction chamber in a vertical plane including part of the toilet bowl (A) Cross-sectional view of the bottom plate portion showing the connection position between the introduction chamber of the main body and the drainage channel for draining the water leaked to the introduction chamber into the toilet bowl (b) Crossing of another example of the bottom plate portion Area The side view which looked at the connection part of the introduction chamber with respect to the water-receiving part in the main body corresponding to FIG.6 (b), the connection part of a connection ring, and the leak in a cover tube and a main body. (A)-(e) Sectional drawing which each shows the example of a further different combination with the connection structure of the branch connection port of cheese and a connection pipe, and the sealing structure of the cover pipe around a branch connection port (A) Cross-sectional perspective view showing the configuration of the connecting pipe and the cover pipe in Embodiment 2 of the present invention (b) Cross-sectional perspective view showing another example of the connecting pipe and the cover pipe (c) The connecting pipe Sectional perspective view showing another example of a cover tube Schematic diagram showing a conventional sanitary washing device

Explanation of symbols

1 Toilet bowl 2 Body 7 Water supply pipe (water supply source)
8 Water supply section 9 Connecting pipe 10 Sanitary washing device 15 Cover pipe 17 Drainage path 31 Water leakage sensor (water leakage detection means)
33 Water leakage notification means (notification means)
42 Connecting rib

Claims (8)

A main body installed on the toilet, a water supply section for supplying water from a water supply source to the main body, a connection pipe for passing water from the water supply section to the main body, and a cover pipe for covering an outer periphery of the connection pipe A connecting rib for holding a gap between the connecting pipe and the cover pipe is provided in at least one of the connecting pipe and the cover pipe, and at least water leakage from the connecting pipe is received in the cover pipe to receive the gap. A sanitary washing device, wherein the sanitary washing device is guided into the main body through and drained into the toilet through a drainage path provided in the main body. The sanitary washing device according to claim 1, wherein the connecting rib is formed on the cover pipe, and the connecting rib is configured to be in close contact with the outer surface of the connecting pipe. The sanitary washing device according to claim 1 or 2, wherein the cover tube is formed of a transparent material. The sanitary washing device according to claim 3, wherein the inner surface of the cover tube is painted to discolor when water adheres thereto. The sanitary washing apparatus according to any one of claims 1 to 4, wherein the connecting pipe and the cover pipe are formed of a flexible material. The sanitary washing device according to any one of claims 1 to 5, wherein the cover tube is formed of an elastic material. The sanitary washing device according to any one of claims 1 to 6, wherein a water leakage detection means is arranged in the gap. The sanitary washing device according to claim 7, comprising a notifying means for notifying a result detected by the water leakage detecting means.

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