JP2020070710A - Sanitary washing device - Google Patents

Abstract

To provide a sanitary washing device that can make the entire system compact while minimizing the decline in the efficiency of hot water boiling.SOLUTION: There is provided a sanitary washing device comprising a hot water storage tank with a space for storing hot water inside, a casing that houses the hot water storage tank, and a first axial branch provided in the casing and having a first axis of rotation that extends in the left and right directions so as to support one of the toilet seat and the toilet lid with respect to the casing, which can be rotated around the first axis of rotation. The hot water storage tank has a recessed part provided at the top of one end of the left and right directions and that is continuously recessed downward from the front end to the rear end, and at least a portion of the first axial branch is disposed in the recessed part.SELECTED DRAWING: Figure 7

Description

  Aspects of the present invention generally relate to sanitary washing devices.

  There is known a hot water storage type sanitary washing device that stores hot water for washing in a hot water storage tank (for example, Patent Document 1). In recent years, sanitary washing devices have tended to be emphasized not only in their performance but also in designability, and therefore there is a tendency for downsizing.

  In the hot water storage type sanitary washing device, the hot water storage tank occupies a relatively large volume, and it is necessary to devise the shape of the hot water storage tank in order to realize a compact overall device. However, if the hot water storage tank has a complicated shape for compactness, it becomes difficult for convection to occur in the hot water storage tank, and the boiling efficiency of hot water may decrease. In this way, there is still room for consideration in the shape of the hot water storage tank in order to realize compactness.

  Therefore, in the hot water storage type sanitary washing device, it is desired that the entire device can be made compact while suppressing a decrease in boiling efficiency of hot water.

JP, 2017-2700, A

  The present invention has been made based on the recognition of such a problem, and an object of the present invention is to provide a sanitary washing device that can make the entire device compact while suppressing a decrease in boiling efficiency of hot water.

  A first invention has a hot water storage tank having a space for storing hot water therein, a casing for housing the hot water storage tank, and a first rotating shaft provided in the casing and extending in the left-right direction, with respect to the casing. And a first shaft support portion that pivotally supports one of a toilet seat and a toilet lid so as to be rotatable about the first rotation shaft, and the hot water storage tank is provided at an upper portion on one end side in the left-right direction and The sanitary washing device is characterized in that it has a recessed portion that is recessed downward continuously from the end to the rear end, and at least a part of the first shaft support portion is disposed in the recessed portion.

  According to this sanitary washing device, the recess is provided in the upper part on the one end side in the left-right direction of the hot water storage tank, and at least a part of the first shaft support is disposed in the recess. As a result, the hot water storage tank and the first shaft support can be efficiently arranged in the casing, and the overall size of the device can be reduced. Further, since the concave portion is provided at the upper portion on the one end side in the left-right direction of the hot water storage tank, convection occurs along the concave portion, so that the water in the hot water storage tank can be heated more quickly. Therefore, it is possible to provide a sanitary washing device that can make the entire device compact while suppressing a decrease in boiling efficiency of hot water.

  2nd invention is provided with the heater which heats the water in the said hot water storage tank provided in the said space of the said hot water storage tank in 1st invention, Comprising: The said heater is the non-heat generation supported by the said hot water storage tank. And a heat generating portion arranged at a predetermined position inside the hot water storage tank by the non-heat generating portion, wherein the space has a first region overlapping with the concave portion in the vertical direction and the space in the vertical direction. A second region that does not overlap the recess and is adjacent to the first region in the left-right direction, the volume of the second region is larger than the volume of the first region, and at least the non-heating portion A part is located in the said 1st area | region, At least one part of the said heat generating part is a sanitary washing apparatus characterized by being located in the said 2nd area | region.

  According to this sanitary washing device, at least a part of the non-heat generating portion is located in the first region and at least a part of the heat generating portion is located in the second region, so that the inside of the hot water storage tank is located on the second region side having a large volume. The water can be heated more efficiently.

  A third invention is the sanitary washing device according to the second invention, wherein another part of the heat generating portion is located in the first region.

  According to this sanitary washing device, since the other part of the heat generating portion is located in the first area, the water flow heated and raised by the heat generating portion hits the concave portion located in the upper portion of the first area, and the water hit the concave portion. Flows along the inner wall surface of the hot water storage tank so as to spread over the entire hot water storage tank. Therefore, the convection in the horizontal direction in the hot water storage tank can be further promoted, and the water in the hot water storage tank can be heated more efficiently.

  4th invention is a 2nd or 3rd invention, Comprising: The said 2nd area | region has the 3rd area | region located ahead of the said heat generating part, and the 4th area located behind the said heat generating part. The sanitary washing device is characterized in that the volume of the third region is different from the volume of the fourth region.

  According to this sanitary washing device, since the volume of the third region is different from the volume of the fourth region, the convection in the front-rear direction in the hot water storage tank can be further promoted, and the water in the hot water storage tank can be more efficiently It can be heated.

  5th invention is any one invention of 1st-4th, Comprising: The liquid adhesion suppression part which suppresses that the liquid which invaded from the exterior of the said casing adheres to the said hot water storage tank, Comprising: The said liquid adhesion suppression The part has a water conduit provided in the recess, and the water conduit is provided so as to be able to conduct the liquid from below the first shaft support portion to a position not vertically overlapping the hot water storage tank. It is a sanitary washing device.

  According to this sanitary washing device, by providing the liquid adhesion suppressing portion having the water conduit, the liquid that has entered the inside of the casing from the vicinity of the first shaft supporting portion is prevented from adhering to the hot water storage tank, and the hot water storage tank is held in the vertical direction. Liquid can be conducted to a position where it does not overlap the tank. As a result, it is possible to prevent liquid from adhering to the hot water storage tank and deteriorating.

  6th invention is set to the said 1st-5th invention, WHEREIN: It has the 2nd rotating shaft provided in the said casing and extended in the said left-right direction, Comprising: The said toilet seat and the said toilet lid with respect to the said casing. Further includes a second shaft support portion that rotatably supports the other of the first rotation shaft about the second rotation shaft, and the second rotation shaft is at a position different from the first rotation shaft in at least one of the front-rear direction and the vertical direction. In the sanitary washing device, at least a part of the second shaft support portion is set in the recess.

  According to this sanitary washing device, by disposing at least a part of the first shaft support part and at least a part of the second shaft support part in the recess, the hot water storage tank, the first shaft support part, and the second shaft support part are provided in the casing. On the other hand, they can be efficiently arranged, and the entire apparatus can be made more compact while suppressing a decrease in the boiling efficiency of the hot water storage tank.

  A seventh invention is characterized in that, in any one of the first to sixth inventions, the first shaft support portion is arranged so that an extension line of the first rotation shaft passes through the recess. It is a sanitary washing device.

  According to this sanitary washing device, the hot water storage tank and the first shaft support can be arranged in the casing more efficiently, and the entire device can be made more compact.

  According to the aspect of the present invention, there is provided a sanitary washing device capable of downsizing the entire device while suppressing a decrease in boiling efficiency of hot water.

It is a perspective view showing typically a toilet device provided with a sanitary washing device concerning an embodiment. It is a block diagram showing typically the important section composition of the sanitary washing device concerning an embodiment. Drawing 3 (a) and Drawing 3 (b) are perspective views showing the hot water storage type heat exchanger concerning an embodiment typically. Drawing 4 (a) and Drawing 4 (b) are the front views and sectional views which express typically the hot water storage type heat exchanger concerning an embodiment. It is a perspective view which expresses a part of sanitary washing device concerning an embodiment typically. It is a side view which expresses a part of sanitary washing device concerning an embodiment typically. 7 (a) and 7 (b) are a side view and a front view schematically showing the hot water storage tank and the first toilet seat pivot portion. FIG. 8A and FIG. 8B are side views schematically showing modified examples of the hot water storage tank, the first toilet seat shaft support, and the first toilet lid shaft support. FIG. 9 (a) and FIG. 9 (b) are a plan view and a sectional view schematically showing the hot water storage heat exchanger according to the embodiment. 10 (a) and 10 (b) are a plan view and a cross-sectional view schematically showing a hot water storage heat exchanger according to the embodiment. It is a perspective view showing typically the hot water storage type heat exchanger concerning an embodiment. It is a sectional view showing a part of sanitary washing device concerning an embodiment typically. It is a top view which expresses a part of sanitary washing device concerning an embodiment typically.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same components are designated by the same reference numerals, and detailed description thereof will be appropriately omitted.
FIG. 1 is a perspective view schematically showing a toilet device including a sanitary washing device according to an embodiment.
As shown in FIG. 1, the toilet device 2 includes a Western-style seating toilet (hereinafter simply referred to as “toilet” for convenience of description) 4 and a sanitary washing device 10 provided thereon. The sanitary washing device 10 includes a casing 12, a toilet seat 14, and a toilet lid 16. The toilet lid 16 is provided as needed and can be omitted. The sanitary washing device 10 may include at least the casing 12 and the toilet seat 14.

  The toilet seat 14 has a pair of hinge portions 14a and 14b provided at the left and right ends of the rear end, and is pivotally supported by the casing 12 to be openable and closable via the hinge portions 14a and 14b. Similarly, the toilet lid 16 has a pair of hinge portions 16a and 16b provided at the left and right ends of the rear end, and is pivotally supported by the casing 12 to be openable and closable via the hinge portions 16a and 16b.

  In the following description of the embodiments, “upward”, “downward”, “forward”, “rearward”, “rightward”, and “leftward” are used, but these directions are as shown in FIG. 1. This is the direction viewed from the user sitting on the toilet seat 14.

  The stool-type toilet 4 has a bowl 4a and a rim surface 4b. In other words, the rim surface 4b is the upper end surface of the toilet bowl 4. The bowl 4a is recessed downward from the rim surface 4b. The toilet bowl 4 receives the excrement of the seated user by the bowl 4a.

  The casing 12 is provided above the rim surface 4b of the seat-type toilet bowl 4. The casing 12 is detachably provided on the rim surface 4b, for example, in a portion behind the bowl 4a. The sanitary washing device 10 is a so-called sheet type sanitary washing device that is detachably attached to the toilet bowl 4. However, the sanitary washing device 10 is not limited to the sheet type, and may be an integrated sanitary washing device provided integrally with the toilet bowl 4.

  The casing 12 has a case plate 12a placed on the rear rim surface 4b of the toilet bowl 4 and a cover 12b covering the case plate 12a. In the example shown in FIG. 1, since the case plate 12a is covered and hidden by the cover 12b, the case plate 12a is shown by a broken line.

  Inside the casing 12, a body washing function unit and the like that realizes washing of the “butt” of the user sitting on the toilet seat 14 is built in. Further, for example, the casing 12 is provided with a seating detection sensor 20 (see FIG. 2) that detects that the user is sitting on the toilet seat 14. When the seating detection sensor 20 detects a user sitting on the toilet seat 14, when the user operates the operation unit 6 such as a remote controller, a cleaning nozzle (simply referred to as a “nozzle” hereinafter) 22 Can be advanced into the bowl 4a of the toilet bowl 4. In the sanitary washing device 10 shown in FIG. 1, the nozzle 22 has advanced into the bowl 4a.

  The nozzle 22 discharges water toward the human body part to wash the human body part. A bidet washing water outlet 22a and a buttocks washing water outlet 22b are provided at the tip of the nozzle 22. The nozzle 22 can inject water from a bidet cleaning spout 22a provided at the tip of the nozzle 22 to clean a female part of a woman sitting on the toilet seat 14. Alternatively, the nozzle 22 can wash the "butt" of the user sitting on the toilet seat 14 by injecting water from the buttocks wash spout 22b provided at the tip of the nozzle 22. In addition, in this specification, the term “water” includes not only cold water but also heated hot water.

  The modes for cleaning the "butt" include, for example, "bottom cleaning" and "soft cleaning" in which water is gently washed with a water stream softer than "butt cleaning". The nozzle 22 can execute, for example, "bidet washing", "butt washing", and "soft washing".

  In the nozzle 22 shown in FIG. 1, the bidet washing / spouting port 22a is provided closer to the tip side of the nozzle 22 than the buttocks washing / spouting port 22b. Is not limited to this. The bidet washing / spouting port 22a may be provided on the rear end side of the nozzle 22 with respect to the bottom washing / spouting port 22b. Further, although the nozzle 22 shown in FIG. 1 is provided with two water outlets, three or more water outlets may be provided.

FIG. 2 is a block diagram schematically showing the main configuration of the sanitary washing device according to the embodiment. FIG. 2 also shows the main configuration of the water channel system and the electrical system.
As shown in FIG. 2, the sanitary washing device 10 has a water guiding section 30. The water conduit 30 has a conduit 30 a extending from a water supply source WS such as a water supply or a water storage tank to the nozzle 22. The water guide unit 30 guides the water supplied from the water supply source WS to the nozzle 22 through the conduit 30a. The conduit 30a is formed by, for example, each part such as a solenoid valve 32, a hot water storage heat exchanger 40, and a flow path switching part 52 described below, and a plurality of pipes connecting these parts.

  An electromagnetic valve 32 is provided on the upstream side of the water conduit 30. The solenoid valve 32 is a solenoid valve that can be opened and closed, and controls the supply of water based on a command from the control unit 24 provided inside the casing 12. In other words, the solenoid valve 32 opens and closes the conduit 30a. By opening the solenoid valve 32, the water supplied from the water supply source WS flows into the conduit 30a.

  A pressure regulating valve 34 is provided downstream of the solenoid valve 32. The pressure regulating valve 34 regulates the pressure in the pipeline 30a to a predetermined pressure range when the water supply pressure is high. A check valve 36 is provided downstream of the pressure regulating valve 34. The check valve 36 suppresses the reverse flow of water to the upstream side of the check valve 36 when the pressure in the conduit 30a decreases.

  A hot water storage heat exchanger 40 is provided downstream of the check valve 36. The hot water storage heat exchanger 40 has a hot water storage tank and a heater, stores the water supplied from the water supply source WS in the hot water storage tank, and heats the water in the hot water storage tank by the heater to raise the temperature to a prescribed temperature, for example. Warm. That is, the hot water storage heat exchanger 40 produces hot water. The hot water storage heat exchanger 40 is housed in the casing 12. In other words, the casing 12 houses the hot water storage heat exchanger 40.

  The hot water storage heat exchanger 40 is connected to the control unit 24. The control unit 24 controls the hot water storage heat exchanger 40 according to the operation of the operation unit 6 by the user, for example, to raise the temperature of the water to the temperature set by the operation unit 6.

  An electrolytic cell unit 44 is provided downstream of the hot water storage heat exchanger 40. The electrolytic cell unit 44 produces a liquid (functional water) containing hypochlorous acid from the tap water by electrolyzing the tap water flowing inside. The electrolytic cell unit 44 is connected to the control unit 24. The electrolytic cell unit 44 generates functional water under the control of the control unit 24.

  The functional water generated in the electrolytic cell unit 44 may be, for example, a solution containing metal ions such as silver ions and copper ions. Alternatively, the functional water generated in the electrolytic cell unit 44 may be a solution containing electrolytic chlorine, ozone, or the like. Alternatively, the functional water generated in the electrolytic cell unit 44 may be acidic water or alkaline water.

  A vacuum breaker (VB) 46 is provided downstream of the electrolytic cell unit 44. The vacuum breaker 46 has, for example, a flow path for flowing water, an intake port for taking in air into the flow path, and a valve mechanism for opening and closing the intake port. The valve mechanism closes the intake port, for example, when water is flowing through the flow path, and opens the intake port when the flow of water is stopped to take in air into the flow path. That is, the vacuum breaker 46 takes in air into the conduit 30a when there is no flow of water in the water conduit 30. For the valve mechanism, for example, a float valve is used.

  The vacuum breaker 46 takes in air into the conduit 30a as described above, thereby promoting drainage of a portion of the conduit 30a downstream of the vacuum breaker 46, for example. The vacuum breaker 46 promotes drainage of the nozzle 22, for example.

  A flow rate adjusting unit 50 is provided downstream of the vacuum breaker 46. The flow rate adjusting unit 50 adjusts the water force (flow rate). A flow path switching unit 52 is provided downstream of the flow rate adjusting unit 50. The flow path switching unit 52 opens and closes and switches the water supply to the nozzle 22 and the nozzle cleaning chamber 54. The flow rate adjusting unit 50 and the flow path switching unit 52 may be provided as one unit. The flow rate adjusting unit 50 and the flow path switching unit 52 are connected to the control unit 24. The operations of the flow rate adjusting unit 50 and the flow path switching unit 52 are controlled by the control unit 24. The flow rate adjusting unit 50 and the flow path switching unit 52 may be integrated.

  The nozzle 22, the nozzle cleaning chamber 54, and the spray nozzle 56 are provided downstream of the flow path switching unit 52. The nozzle 22 receives the driving force from the nozzle motor 58 and moves into or out of the bowl 4 a of the toilet bowl 4. That is, the nozzle motor 58 moves the nozzle 22 back and forth based on a command from the control unit 24.

  The nozzle cleaning chamber 54 cleans the outer peripheral surface (body) of the nozzle 22 by spraying functional water or water from a water discharge portion provided inside. The spray nozzle 56 makes cleaning water and functional water into a mist and sprays them onto the bowl 4a. In this example, a spray nozzle 56 is provided separately from the nozzle 22 for cleaning the human body. The present invention is not limited to this, and the nozzle 22 may be provided with a spout for spraying the mist-like liquid onto the bowl 4a.

  Further, a posterior washing flow passage 61, a soft washing flow passage 62, and a bidet washing flow passage 63 are provided downstream of the flow passage switching unit 52. The bottom washing flow path 61 and the soft washing flow path 62 guide the water supplied from the water supply source WS via the water guiding unit 30 and the functional water generated in the electrolytic cell unit 44 to the bottom washing water discharge port 22b. The bidet cleaning flow passage 63 guides the water supplied from the water supply source WS via the water guiding part 30 and the functional water generated in the electrolytic cell unit 44 to the bidet cleaning spout 22a.

  Further, a surface cleaning flow channel 64 and a spraying flow channel 65 are provided downstream of the flow channel switching unit 52. The surface cleaning flow path 64 guides water supplied from the water supply source WS via the water guiding part 30 and functional water generated in the electrolytic cell unit 44 to the water discharge part of the nozzle cleaning chamber 54. The spray passage 65 guides the water supplied from the water supply source WS via the water conduit 30 or the functional water generated in the electrolytic cell unit 44 to the spray nozzle 56.

  The control section 24 controls the flow path switching section 52 to control each of the posterior cleaning flow path 61, the soft cleaning flow path 62, the bidet cleaning flow path 63, the surface cleaning flow path 64, and the spray flow path 65. Switch between open and close. In this way, the flow path switching unit 52 is in a state in which the bidet cleaning spout 22a, the buttocks cleaning spout 22b, the nozzle cleaning chamber 54, and the plurality of spouts such as the spray nozzle 56 are in communication with the conduit 30a. And a state in which the pipe 30a is not communicated.

  The control unit 24 is supplied with power from the power supply circuit 70, and based on signals from the human body detection sensor 72, the seating detection sensor 20, the operation unit 6, etc., the solenoid valve 32, the hot water storage heat exchanger 40, The operation of the electrolytic cell unit 44, the flow rate adjusting unit 50, the flow path switching unit 52, the nozzle motor 58, etc. is controlled.

  The human body detection sensor 72 is provided in the casing 12 and detects a user (human body) approaching the toilet seat 14. The human body detection sensor 72 is configured to be able to detect the presence of the user even when the toilet lid 16 is closed. The control unit 24 automatically opens the toilet lid 16 in response to the detection of the user by the human body detection sensor 72, for example.

  In addition, the casing 12 has various types such as a "warm air drying function" for blowing hot air toward the "buttock" of the user sitting on the toilet seat 14 to dry it, a "deodorizing unit", and an "indoor heating unit". A mechanism may be appropriately provided. At this time, the side surface of the casing 12 is appropriately provided with an exhaust port from the deodorizing unit and an exhaust port from the indoor heating unit. However, the sanitary washing device 10 may have at least a sanitary washing function unit.

Drawing 3 (a) and Drawing 3 (b) are perspective views showing the hot water storage type heat exchanger concerning an embodiment typically.
Drawing 4 (a) and Drawing 4 (b) are the front views and sectional views which express typically the hot water storage type heat exchanger concerning an embodiment.
FIG. 3A is a perspective view of the hot water storage heat exchanger 40 as seen obliquely from the front, and FIG. 3B is a perspective view of the hot water storage heat exchanger 40 as seen from the oblique rear. FIG. 4B schematically shows a cross section taken along the line A1-A2 of FIG.

  As shown in FIGS. 3A, 3B, 4A, and 4B, the hot water storage heat exchanger 40 includes a hot water storage tank 100 and a heater 102. The hot water storage tank 100 has a space SP for storing hot water therein. The heater 102 is provided in the space SP of the hot water storage tank 100 and heats the water in the hot water storage tank 100. As described above, the hot water storage heat exchanger 40 is housed in the casing 12. That is, hot water storage tank 100 is housed in casing 12. In other words, the casing 12 houses the hot water storage tank 100.

  The hot water storage tank 100 has a recess 110. The recess 110 is provided at an upper portion on one end side in the left-right direction of the hot water storage tank 100 and is recessed downward continuously from the front end to the rear end. In other words, the recess 110 is a part that is recessed downward at the upper end on the one end side in the left-right direction when viewed from the front or the rear. As a result, the hot water storage tank 100 forms a space 112 in the recess 110 that communicates with the front and rear. In other words, the space 112 is a space inside the recess 110. The space 112 is, for example, a space surrounded by an extension line of the outer edge of the hot water storage tank 100.

  The hot water storage tank 100 has, for example, a first portion 121 and a second portion 122 that is adjacent to the first portion 121 in the left-right direction and that projects above the first portion 121, and the second portion 122 side. On the other hand, it can be said that the space 112 communicating with the front and rear is formed in the portion above the first portion 121.

FIG. 5 is a perspective view schematically showing a part of the sanitary washing device according to the embodiment.
FIG. 6 is a side view schematically showing a part of the sanitary washing device according to the embodiment.
As shown in FIGS. 5 and 6, the hot water storage tank 100 is arranged close to one end side of the case plate 12a in the left-right direction. The recess 110 of the hot water storage tank 100 is provided on the side of the left and right direction that is arranged closer to the case plate 12a of the hot water storage tank 100. In this example, the hot water storage tank 100 is arranged closer to the right side than the case plate 12a. Therefore, the recess 110 is also provided on the upper right side of the hot water storage tank 100. On the contrary, the hot water storage tank 100 may be arranged closer to the left side with respect to the case plate 12a, and the recess 110 may be provided on the upper left side of the hot water storage tank 100.

  The nozzle 22 is provided at the center of the case plate 12a. The nozzle 22 is arranged in the center of the inside of the casing 12 so that the longitudinal direction is the front-rear direction when viewed from above, and advances toward the bowl 4a of the toilet bowl 4.

  The sanitary washing device 10 further includes a first toilet seat shaft support portion 141 (first shaft support portion), a second toilet seat shaft support portion 142, a first toilet lid shaft support portion 151, and a second toilet lid shaft support portion 152.

  The first toilet seat shaft support portion 141 and the second toilet seat shaft support portion 142 are provided in the casing 12, have a rotation axis RA1 (first rotation shaft) extending in the left-right direction, and rotate the toilet seat 14 with respect to the casing 12 as the rotation axis RA1. Is rotatably supported around.

  Specifically, the first toilet seat pivotal support portion 141 pivotally supports one hinge portion 14a of the toilet seat 14, and the second toilet seat pivotal support portion 142 pivots the other hinge portion 14b of the toilet seat 14. To support.

  Accordingly, the toilet seat 14 is rotatably supported by the first toilet seat shaft support portion 141 and the second toilet seat shaft support portion 142. The first toilet seat shaft support portion 141 and the second toilet seat shaft support portion 142 are located on the rim surface 4b of the toilet bowl 4 and are in a closed position that allows seating, and an open position that is separated upward from the rim surface 4b of the toilet bowl 4. , The toilet seat 14 is moved to.

  The first toilet lid shaft supporting portion 151 and the second toilet lid shaft supporting portion 152 are provided inside the casing 12 and have a rotation axis RA2 extending in the left-right direction, and the toilet lid 16 is centered on the rotation axis RA2 with respect to the casing 12. It is pivotally supported. The rotation axis RA2 is set at a position different from the rotation axis RA1 in at least one of the front-rear direction and the vertical direction. The rotation axis RA2 is set, for example, behind and above the rotation axis RA1.

  The first toilet lid shaft support 151 rotatably supports one hinge portion 16a of the toilet lid 16, and the second toilet lid shaft support 152 allows the other hinge portion 16b of the toilet lid 16 to rotate. Pivot.

  As a result, the toilet lid 16 is rotatably supported by the first toilet lid pivotal support portion 151 and the second toilet lid pivotal support portion 152. The first toilet lid shaft supporting portion 151 and the second toilet lid shaft supporting portion 152 expose the bowl 4a and the toilet seat 14 of the toilet bowl 4 and the closed position that covers the bowl 4a and the toilet seat 14 of the toilet bowl 4 so that the toilet device 2 can be used. The toilet lid 16 is moved to the open position.

  The second toilet seat shaft support 142 has a drive unit such as a motor, supports the seat 14 rotatably, and automatically opens and closes the seat 14 by the drive force of the drive unit. The second toilet seat shaft support 142 has an elastic body such as a spring, and restrains the toilet seat 14 from moving rapidly to the closed position by the urging force of the elastic body. In other words, the second toilet seat shaft support 142 performs a soft closure that slowly moves the toilet seat 14 to the closed position. The second toilet seat shaft support 142 is a so-called electric opening / closing mechanism.

  The second toilet lid shaft support 152, like the second toilet seat shaft support 142, is an electric opening / closing mechanism that automatically opens and closes and softly closes the toilet lid 16. The second toilet seat shaft support 142 and the second toilet lid shaft support 152 may be, for example, a soft closing mechanism that only softly closes the seat 14 and the toilet lid 16. The second toilet seat pivot portion 142 and the second toilet lid pivot portion 152 may be, for example, bearings that only support the toilet seat 14 or the toilet lid 16.

  The sanitary washing device 10 includes a support 160 for supporting the toilet seat 14 and the toilet lid 16. The first toilet seat pivot support 141 and the first toilet lid pivot support 151 are provided on the support 160. However, the first toilet seat shaft support portion 141 and the first toilet lid shaft support portion 151 may be individually provided in the casing 12.

  The first toilet lid shaft support 151 is, for example, a bearing integrally provided on the support 160. However, the first toilet lid shaft support 151 may be an electric opening / closing mechanism or a soft closing mechanism.

7 (a) and 7 (b) are a side view and a front view schematically showing the hot water storage tank and the first toilet seat pivot portion.
As shown in FIGS. 7A and 7B, the first toilet seat pivot support 141 has a main body 141a and a movable portion 141b. Note that, in FIG. 7, the movable portion 141b is thinly painted to simplify the illustration.

  The main body portion 141a supports the movable portion 141b so as to be vertically movable. The movable portion 141b has a bearing portion 141c for rotatably supporting the hinge portion 14a of the toilet seat 14. The first toilet seat shaft support portion 141 is held by the support body 160 with the bearing portion 141c facing the opening 160a provided in the support body 160. The first toilet seat shaft support 141 rotatably supports the hinge portion 14a of the toilet seat 14 via the opening 160a of the support body 160 and the bearing portion 141c.

  The main body portion 141a has an elastic body such as a spring, and urges the movable portion 141b upward by the urging force of the elastic body. Then, when the user sits on the toilet seat 14, the main body portion 141a moves the movable portion 141b downward by the load on the toilet seat 14.

  The first toilet seat pivot portion 141 has a detection unit (not shown), and detects the downward movement of the movable portion 141b by the detection unit. The first toilet seat pivot support 141 is a seating detection mechanism that pivotally supports the toilet seat 14 and detects seating of the user on the toilet seat 14.

  However, the first toilet seat pivot portion 141 is not limited to the seating detection mechanism, and may be an electric opening / closing mechanism, a soft closing mechanism, or a bearing that only pivotally supports the toilet seat 14. The first toilet seat pivotal support portion 141, the second toilet seat pivotal support portion 142, the first toilet lid pivotal support portion 151, and the second toilet lid pivotal support portion 152 may be any mechanism capable of supporting at least the toilet seat 14 and the toilet lid 16. ..

  As shown in FIGS. 7A and 7B, at least a part of the first toilet seat pivotal support portion 141 is arranged in the recess 110 of the hot water storage tank 100. In other words, at least a part of the first toilet seat shaft support 141 is arranged in the space 112 communicating with the front and rear of the hot water storage tank 100.

  Further, as hung down in FIGS. 6 and 7 (a), the first toilet seat shaft support 141 is arranged so that the extension line of the rotation axis RA1 passes through the recess 110. In other words, the extension line of the rotation axis RA1 passes through the space 112.

  As described above, in the sanitary washing device 10 according to the present embodiment, the recess 110 is provided in the upper part on one end side in the left-right direction of the hot water storage tank 100, and at least a part of the first toilet seat shaft support 141 is disposed in the recess 110. is doing. As a result, the hot water storage tank 100 and the first toilet seat shaft support 141 can be efficiently arranged in the casing 12, and the overall size of the device can be made compact. Further, since concave portion 110 is provided at the upper part on one end side in the left-right direction of hot water storage tank 100, convection occurs along concave portion 110, and water in hot water storage tank 100 can be warmed more quickly. Therefore, it is possible to provide the sanitary washing device 10 that can make the entire device compact while suppressing a decrease in boiling efficiency of hot water.

  In the above embodiment, an example is shown in which the first toilet seat shaft support 141, which is a seating detection mechanism, is arranged in the recess 110. The first toilet seat shaft support portion 141 arranged in the recess 110 is not limited to the seating detection mechanism, and may be an electric opening / closing mechanism such as the second toilet seat shaft support portion 142, or a soft closing mechanism or a bearing.

  Further, in the sanitary washing device 10, the first toilet seat shaft support portion 141 is arranged so that the extension line of the rotation axis RA1 passes through the recess 110. As a result, the hot water storage tank 100 and the first toilet seat shaft support 141 can be arranged more efficiently with respect to the casing 12, and the entire apparatus can be made more compact.

FIG. 8A and FIG. 8B are side views schematically showing modified examples of the hot water storage tank, the first toilet seat shaft support, and the first toilet lid shaft support.
In the above-described embodiment, at least a part of the first toilet seat shaft support 141 is arranged in the recess 110, while the first toilet lid shaft support 151 is not arranged in the recess 110 (see FIG. 6).

  As shown in FIG. 8A, contrary to the above embodiment, at least a part of the first toilet lid shaft support 151 is arranged in the recess 110, and the first toilet seat shaft support 141 is placed outside the recess 110. It may be arranged. As described above, the shaft supporting portion arranged in the recess 110 may be a shaft supporting portion that supports one of the toilet seat 14 and the toilet lid 16.

  Further, as shown in FIG. 8B, at least a part of the first toilet seat shaft support 141 (first shaft support) and at least a part of the first toilet lid shaft support 151 (second shaft support), May be arranged in the recess 110. Thereby, the hot water storage tank 100, the first toilet seat shaft support 141, and the first toilet lid shaft support 151 can be efficiently arranged with respect to the casing 12, while suppressing a decrease in the boiling efficiency of the hot water storage tank 100. Therefore, the entire device can be made more compact.

  When at least a part of the first toilet seat shaft support 141 and at least a part of the first toilet lid shaft support 151 are arranged in the recess 110, the extension line of the rotation axis RA1 (first rotation shaft) defines the recess 110. The first toilet seat shaft support 141 is arranged so as to pass therethrough, and the first toilet lid shaft support 151 is arranged so that the extension line of the rotation axis RA2 (second rotation shaft) passes through the recess 110. As a result, the hot water storage tank 100, the first toilet seat shaft support 141, and the first toilet lid shaft support 151 can be arranged in the casing 12 more efficiently, and the entire apparatus can be made more compact.

FIG. 9 (a) and FIG. 9 (b) are a plan view and a sectional view schematically showing the hot water storage heat exchanger according to the embodiment.
FIG. 9B schematically shows a cross section taken along line B1-B2 of FIG.
As shown in FIGS. 9A and 9B, the space SP of the hot water storage tank 100 has a first region SP1 and a second region SP2. The first region SP1 is a region that overlaps the recess 110 in the vertical direction. In other words, the first region SP1 is a region where the recess 110 is formed. The second region SP2 is a region that does not overlap the recess 110 in the vertical direction and is adjacent to the first region SP1 in the horizontal direction. The volume of the second area SP2 is larger than the volume of the first area SP1.

  The heater 102 is provided in the space SP of the hot water storage tank 100. As shown in FIG. 9A, the heater 102 is provided obliquely in a top view, for example. In other words, the heater 102 is provided so as to cross the front-rear direction and the left-right direction, for example.

  The heater 102 has a non-heat generating portion 102a and a heat generating portion 102b. The non-heat generating portion 102a is supported by the hot water storage tank 100. The heat generating part 102b is arranged at a predetermined position inside the hot water storage tank 100 by the non-heat generating part 102a.

  In this example, the non-heating portion 102a is provided at each end of the heater 102, and the heating portion 102b is provided between the two non-heating portions 102a. The heat generating portion 102b is a portion having a heater element that emits heat, and the non-heat generating portion 102a is a portion having no heater element. The heater element is, for example, a heater wire such as a nichrome wire. The non-heat generating portion 102a has, for example, a terminal pin connected to the heater element. For example, the connecting portion between the terminal pin and the heater element can be regarded as the boundary between the non-heat generating portion 102a and the heat generating portion 102b.

  At least a part of the non-heat generating portion 102a is located in the first region SP1. Further, at least a part of the heat generating portion 102b is located in the second region SP2. As described above, since at least a part of the non-heat generating portion 102a is located in the first region SP1 and at least a part of the heat generating portion 102b is located in the second region SP2, the hot water storage tank is located on the side of the second region SP2 having a large volume. The water in 100 can be heated more efficiently. In addition, another part (for example, both ends) of the non-heat generating portion 102a may be located outside the hot water storage tank 100 (space SP).

  In addition, in this example, another part of the heat generating portion 102b is located in the first region SP1. In other words, the boundary between the non-heat generating portion 102a and the heat generating portion 102b is located in the first region SP1. In this way, since another part of the heat generating portion 102b is located in the first region SP1, the water flow heated by the heat generating portion 102b and rising as shown in FIG. 9B is above the first region SP1. Upon hitting the recess 110 located at, the water hitting the recess 110 flows along the inner wall surface of the hot water storage tank 100 so as to spread over the entire hot water storage tank 100. Therefore, convection in the horizontal direction in hot water storage tank 100 can be further promoted, and water in hot water storage tank 100 can be heated more efficiently.

10 (a) and 10 (b) are a plan view and a cross-sectional view schematically showing a hot water storage heat exchanger according to the embodiment.
FIG. 10B schematically shows a cross section taken along line C1-C2 of FIG.
As shown in FIGS. 10A and 10B, the second region SP2 has a third region SP3 and a fourth region SP4. The third region SP3 is a region that does not overlap the recess 110 in the vertical direction and is located in front of the heat generating unit 102b. The fourth region SP4 is a region which does not overlap the recess 110 in the vertical direction and is located behind the heat generating portion 102b.

  The volume of the third region SP3 is different from the volume of the fourth region SP4. In this example, the volume of the third region SP3 is larger than the volume of the fourth region SP4. In this way, the volume of the third region SP3 is different from the volume of the fourth region SP4, so that the convection in the front-rear direction in the hot water storage tank 100 can be further promoted, as shown in FIG. The water in the hot water storage tank 100 can be heated more efficiently. The volume of the third region SP3 may be smaller than the volume of the fourth region SP4.

FIG. 11 is a perspective view schematically showing the hot water storage heat exchanger according to the embodiment.
FIG. 12 is a cross-sectional view schematically showing a part of the sanitary washing device according to the embodiment.
FIG. 13 is a plan view schematically showing a part of the sanitary washing device according to the embodiment.
FIG. 13 is a plan view of the casing 12 with the cover 12b removed.
As shown in FIGS. 11 to 13, the hot water storage heat exchanger 40 may further include a liquid adhesion suppressing unit 180. The liquid adhesion suppressing unit 180 suppresses the liquid that has entered from the outside of the casing 12 (for example, the first shaft support) from adhering to the hot water storage tank 100.

  The liquid adhesion suppressing unit 180 has a water conduit 182. The water conduit 182 is provided in the recess 110. The water conduit 182 is provided below the first toilet seat shaft support 141 (first shaft support) and extends to a position not overlapping the hot water storage tank 100 in the vertical direction. Further, the water conduit 182 is inclined downward as it goes from below the first toilet seat shaft support 141 (first shaft support) to a position not overlapping the hot water storage tank 100 in the vertical direction. As a result, the water conduit 182 is provided so that the liquid can be guided (discharged) from below the first toilet seat shaft support 141 (first shaft support) to a position not vertically overlapping the hot water storage tank 100.

  In this example, the water conduit 182 extends from below the first toilet seat shaft support 141 (first shaft support) to the front, and is capable of guiding water to the front. The water conduit 182 may extend rearward or laterally from below the first toilet seat pivot portion 141 (first pivotal portion), and may be capable of conducting liquid to the rear or side.

  In addition, in this example, the liquid adhesion suppressing portion 180 (the water conduit 182) is provided separately from the casing 12. The liquid adhesion suppressing portion 180 (water conduit 182) may be provided integrally with the casing 12. In other words, the liquid adhesion suppressing portion 180 (water conduit 182) may be formed by part of the case plate 12a and the cover 12b.

  The liquid that has entered from the outside of the casing 12 is discharged to the outside of the casing 12 by flowing in a direction indicated by an arrow in FIGS. 12 and 13, for example. The liquid that has entered the inside of the casing 12 from the periphery of the first shaft supporting portion (first toilet seat shaft supporting portion 141) falls into the water conduit 182. The liquid that has dropped into the water conduit 182 flows forward along the water conduit 182 and drops from the front end of the water conduit 182 to the case plate 12a. The liquid that has dropped onto the case plate 12a flows along the case plate 12a to the nozzle 22 side, and is discharged into the bowl 4a from the hole 12c provided in the case plate 12a.

  In this way, by providing the liquid adhesion suppressing portion 180 having the water conduit 182, it is possible to prevent liquid that has entered the inside of the casing 12 from the periphery of the first shaft supporting portion (first toilet seat shaft supporting portion 141) from adhering to the hot water storage tank 100. While suppressing, the liquid can be introduced to a position where it does not overlap the hot water storage tank 100 in the vertical direction. As a result, it is possible to prevent the liquid from adhering to the hot water storage tank 100 and deteriorating.

  In addition, in the said embodiment, although the structure provided with the 1st toilet lid axial support part 151, the 2nd toilet lid axial support part 152, and the toilet lid 16 was shown, the 1st toilet seat axial support part 141 and the 2nd toilet seat axial support part 142, the toilet seat 14 are shown. May be provided at least.

  Further, the first toilet lid shaft supporting portion 151 and the first toilet seat shaft supporting portion 141, or the second toilet lid shaft supporting portion 152 and the second toilet seat shaft supporting portion 142 are described as separate shafts, but they may be coaxial. Good.

The embodiments of the present invention have been described above. However, the present invention is not limited to these descriptions. A person skilled in the art appropriately modified the above-described embodiment is also included in the scope of the present invention as long as it has the features of the present invention. For example, the shape, size, material, arrangement, etc. of each element included in the sanitary washing device 10, the hot-water storage heat exchanger 40, the hot-water storage tank 100, and the like are not limited to those illustrated and can be appropriately changed. .
Further, the respective elements included in the above-described embodiment can be combined as long as technically possible, and a combination of these is also included in the scope of the present invention as long as it includes the features of the present invention.

  2 toilet devices, 4 toilets, 6 operation parts, 10 sanitary washing devices, 12 casings, 14 toilet seats, 16 toilet lids, 20 seating detection sensors, 22 nozzles, 24 control parts, 30 water guiding parts, 32 solenoid valves, 34 pressure regulating valves, 36 check valve, 40 hot water storage heat exchanger, 44 electrolytic cell unit, 46 vacuum breaker, 50 flow rate adjusting section, 52 flow path switching section, 54 nozzle cleaning chamber, 56 spray nozzle, 58 nozzle motor, 61 buttocks cleaning flow path , 62 soft cleaning flow channel, 63 bidet cleaning flow channel, 64 surface cleaning flow channel, 65 spraying flow channel, 70 power supply circuit, 72 human body detection sensor, 100 hot water storage tank, 102 heater, 102a non-heating part, 102b heating part, 110 concave part, 112 space, 121 first part, 122 second part, 141 first toilet seat shaft Support part, 142 2nd toilet seat shaft support part, 151 1st toilet cover shaft support part, 152 2nd toilet cover shaft support part, 160 support body, 180 liquid adhesion control part, 182 water conduit, RA1, RA2 rotating shaft, SP space, SP1- SP4 1st-4th area, WS Water supply source

Claims (7)

A hot water storage tank that has a space for storing hot water inside,
A casing for housing the hot water storage tank,
A first shaft support portion provided in the casing, having a first rotation shaft extending in the left-right direction, and rotatably supporting one of a toilet seat and a toilet lid with respect to the casing about the first rotation shaft. When,
Equipped with
The hot water storage tank is provided at an upper portion on one end side in the left-right direction, and has a recessed portion that is continuously recessed downward from a front end to a rear end,
The sanitary washing device, wherein at least a part of the first shaft support portion is arranged in the recess. Further comprising a heater that is provided in the space of the hot water storage tank and heats water in the hot water storage tank,
The heater has a non-heat generating part supported by the hot water storage tank, and a heat generating part arranged at a predetermined position inside the hot water storage tank by the non-heat generating part,
The space has a first region that overlaps the recess in the vertical direction, and a second region that does not overlap the recess in the vertical direction and that is adjacent to the first region in the horizontal direction,
The volume of the second region is larger than the volume of the first region,
At least a part of the non-heating portion is located in the first region,
The sanitary washing device according to claim 1, wherein at least a part of the heat generating portion is located in the second region.   The sanitary washing device according to claim 2, wherein another part of the heat generating portion is located in the first region. The second region has a third region located in front of the heat generating part and a fourth region located in back of the heat generating part,
The sanitary washing device according to claim 2 or 3, wherein the volume of the third region is different from the volume of the fourth region. Further comprising a liquid adhesion suppressing section that suppresses the liquid that has entered from the outside of the casing from adhering to the hot water storage tank,
The liquid adhesion suppressing portion has a water conduit provided in the recess,
The said water guide path is provided so that the said liquid can be guided to the position which does not overlap with the said hot water storage tank in the up-down direction from the lower part of the said 1st axial support part, It is characterized by the above-mentioned. Sanitary washing device. A second rotary shaft provided in the casing, the second rotary shaft extending in the left-right direction, and pivotally supporting the other of the toilet seat and the toilet lid with respect to the casing about the second rotary shaft. Further equipped with a two-axis support,
The second rotation shaft is set at a position different from the first rotation shaft in at least one of the front-rear direction and the vertical direction,
The sanitary washing device according to claim 1, wherein at least a part of the second shaft support portion is arranged in the recess.   The sanitary washing device according to any one of claims 1 to 6, wherein the first shaft support portion is arranged so that an extension line of the first rotation shaft passes through the recess.

Images