JP3589069B2 - Hot water washing device with heating function - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a hot water washing device with a heating function.
[0002]
[Prior art]
Conventionally, an air passage with one end serving as a suction port, the other end serving as a blowout port, and a heater inside is formed in an apparatus case of a hot water washing device attached to the rear upper surface of a toilet, and the other end of the air path is formed. Is known in which an air outlet is opened at a side surface of an apparatus case. Then, by driving the fan provided inside the device case and turning on the heater, the air is sucked into the air passage from the suction port to be heated by the air heater to generate warm air, and the air is blown out from the outlet to clean the inside of the toilet. I try to heat it.
[0003]
However, in the above-described conventional example, when hand washing water is scattered, water enters inside from the outlet to wet the heater, or when cleaning the device case by wiping it with water. Water enters the inside from the outlet and wets the heater, or water that enters from the outlet travels down the inside of the outlet to reach the heater and wets the heater.In this way, the heater gets wet with water. It was causing electrical trouble.
[0004]
In addition, it is conceivable to attach the filter detachably so that dust, debris such as small pieces of toilet paper, and insects are not sucked into the air passage. It is necessary to provide a filter insertion / removal part separately from the part where the air outlet is provided, and the appearance is poor, and the projection for picking out with the finger provided at the end of the filter protrudes from the outer surface of the device case. There is a problem in that the appearance is poor and that another object hits the projection that protrudes to the outside and is easily damaged.
[0005]
Conventionally, the suction port is formed so as to be largely open on the side surface of the device case, and there is a problem that the appearance is also poor in this respect.
[0006]
[Problems to be solved by the invention]
The present invention has been made in view of the above points, and can prevent the intrusion of water into the heater to cause an electrical trouble even if water intrudes from the outlet, and in mounting the filter so that it can be pulled out. It is another object of the present invention to provide a hot water washing apparatus with a heating function, in which a take-out projection is not conspicuous, is not damaged by hitting another object, and can easily draw out a filter.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, a hot water washing device with a heating function according to the present invention comprises a suction opening 50 at one end and an outlet 51 at the other end in a device case 3 of the hot water washing device attached to the rear upper surface of the toilet 1. And an air passage 52 in which a heater 53 is provided. The air outlet 52 at the other end of the air passage 52 is opened at the side surface of the device case 3. The heater 53 is positioned above the lower surface of the bent air passage 52a, and a filter 54 that can be inserted and removed across the air passage 52 is provided. A blowout frame 56 provided at the blowout opening 51 is mounted in the blowout frame mounting opening 55, and the outer surface of the blowout frame 56 is flush with the outer surface of the blowout frame mounting opening 55 of the device case 3. An opening 57 for extracting the filter that allows the filter 54 to be drawn out is provided at the lower part of the frame 56, and the end of the filter 54 is inserted in a state where the filter 54 inserted from the opening 57 for the filter drawing is inserted across the air passage 52. An outer end surface of the takeout projection 58 provided on the portion is flush with an outer surface of the blowout frame 56, and a finger hook recess 59 is formed in a part of a peripheral portion of the takeout projection 58. Things. With such a configuration, even if water is scattered from the outlet when hand washing water is splashed or when the apparatus case is wiped with water for cleaning, the outlet of the air passage 52 is opened. Due to the presence of the bent air passage 52a formed in a portion extending from the heater 51 to the heater 53, water scattered inside from the outlet 51 can be prevented from reaching the heater 53. Even if the entered water flows deep along the lower surface of the curved air passage 52a, the heater 53 is positioned above the lower surface of the curved air passage 52a, so that water can be prevented from entering the heater 53. Things. Further, the outer end surface of the take-out protrusion 58, which is an operation unit for pulling out the filter 54, is flush with the outer surface of the blowout frame 56, which is flush with the outer surface of the device case 3, thereby improving the appearance. At the same time, the removal projection 58 does not protrude to the outside and does not come into contact with other objects, and the removal projection 58 does not matter even though the outer end surface of the removal projection 58 is flush with the outer surface of the blowout frame 56. The filter 54 can be easily pulled out by hooking and pulling a finger on the finger-holding recess 59 because the finger-holding recess 59 is formed in a part of the peripheral portion of the filter frame. By providing the draw-out opening 57, there is no need to provide an opening for allowing the filter 54 to be separately inserted into and removed from the device case 3.
[0009]
Further, the case body 12 in which an upward concave portion 69 is formed on the lower surface of the device case 3, the suction port 50 is provided in a part of the upward concave portion 69, and the trap portion 16 is disposed in the storage space portion 11 provided in the toilet 1. It is preferable that the lower opening 69a of the upward concave portion 69 communicates with the opening 2 above the storage space portion 11, and the side opening 96b of the upward concave portion 69 communicates with the outside. With this configuration, the air in the storage space 11 in which the case body 2 is housed flows from the opening 2, the lower opening 69 a of the upward concave 69 into the upward concave 69, and the side opening 69 b Then, outside air flows into the upward concave portion 69, further flows into the air passage 52 from the suction port 50, is heated by the heater 53, and is blown out as warm air from the outlet 51 to heat the inside of the toilet. Even if the user accidentally closes the side opening 69b, the air in the storage space 11 in which the case body 12 is installed can be heated by suction, so that there is sufficient air for generating hot air. In addition, since air can be secured from both the lower opening 69a and the side opening 69b, the size of the side opening 69b is larger than when only the side opening 69b is provided. Together can be reduced, the lateral openings 69b so elongated is formed between the upper surface and the lower surface of the apparatus casing 3 of the toilet 1, in which appearance inconspicuous from the outside is improved.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.
[0011]
FIGS. 1 and 2 show a toilet 1. The bowl 1 is made of earthenware, and a bowl 21 having an opening 90 formed therein is formed in the toilet 1, and a storage space 11 is provided inside a rear portion of the toilet 1. The upper surface is open to form an opening 2, which is an opening above the storage space 11, and a case is inserted into the storage space 11 from the upper opening 2. A main body 12 is provided. A mounting hole 13 is provided in the front wall of the case main body 12, and a trap portion 16 that can be rotated and turned upside down is inserted and mounted in the mounting hole 13, and most of the trap portion 16 is inside the case main body 12. The connecting portion 14 at the front end of the trap portion 16 is arranged and protrudes from the case body 12 to the outside. The connection portion 14 of the trap portion 16 is fitted and connected to a bowl drain port 15 formed at the rear end of the bowl 21.
[0012]
The trap section 16 disposed in the case main body 12 is configured such that a rear end, which is a free end of the trap section 16, is rotatably turned upside down by a trap driving means. In the embodiment shown in the accompanying drawings, the trap portion 16 is formed of a soft material and has a bellows shape. A rotating body 17 rotatably attached to the case main body 12 is connected to a rear end of the trap portion 16. In addition, the rotating body 17 is connected so as to be rotated by a motor constituting trap driving means disposed outside the case body 12. Therefore, when the motor is rotated in one direction, the rear end, which is the free end of the trap portion 16, is rotated so as to face upward, and when the motor is rotated in the opposite direction, the rear end, which is the free end of the trap portion 16, is turned downward. It turns to become.
[0013]
A discharge hole 18 is provided in a lower portion of the case main body 12, and an external drain pipe 19 is connected to the discharge hole 18. Accordingly, a drain passage 20 extending from the bowl 21 is constituted by the bowl discharge port 20 of the bowl 21, the case body 12 of the trap portion 16, and the external drain pipe 19.
[0014]
A device case 3 in which various devices such as a hot water cleaning device and a hot air generating device 60 are installed is attached to the rear upper surface of the toilet 1. A water supply channel 22 for supplying water to the bowl 21 is disposed in the device case 3, and the water supply channel 22 has a distal end formed at an upper end opening edge of the bowl 21 of the toilet 1 for water flow. And the other end is connected to a water pipe. In the middle of the water supply passage 22, a water supply means 23 including a water supply electromagnetic valve for opening and closing the water supply passage 22 is provided.
[0015]
A toilet seat 24 and a toilet lid 25 are rotatably mounted on the device case 3, and the device case 3 has a hot water cleaning device therein, and is provided with a bottom cleaning nozzle and a bidet cleaning nozzle. Washing and bidet washing are available. Further, the device case 3 is provided with a hot air generator 60 described later in more detail, and the air sucked from inside the toilet 1 or from outside the toilet 1 is heated by a heater and provided in the device case 3 as warm air. In addition, the toilet room can be heated by blowing out from the air outlet 26 to the outside.
[0016]
The device case 3 includes a case bottom plate 3a made of synthetic resin and a cover body 3b made of synthetic resin attached to the case bottom plate 3a. FIGS. 8 to 10 show a case bottom plate 3a, and a locking portion 4 is provided protruding from a rear portion of a lower surface portion of the case bottom plate 3a. Then, the locking portion 4 at the rear of the lower surface of the device case 3 is engaged with the rear edge of the opening 2 provided on the rear upper surface of the toilet 1, and both sides of the front of the device case 3 are positioned at the upper surface of the rear of the toilet 1. The device case 3 is attached to the upper surface of the rear portion of the toilet 1 by being fixed to a connection fitting attached near both sides of the front end edge of the opening 2 provided at the upper surface of the toilet 1, and formed in the rear portion of the toilet 1 by the device case 3. The opening 2 above the storage space 11 is hidden so that it cannot be seen from the outside.
[0017]
A hot water washing device (not shown) and a hot air generator 60 are provided on the upper surface side of the case bottom plate 3a. The provision of the hot air generator 60 on the case bottom plate 3a will be described in detail below. The case bottom plate 3a is provided with a rising cylindrical portion 61 integrally with the case bottom plate 3a, and a suction port 50 is formed on a lower surface portion of the rising cylindrical portion 61. A fan 79 is provided inside the rising cylinder 61, and the upper end of the rising cylinder 61 is closed by a closing plate. An opening is formed in an upper portion of one side wall (a rear wall in the embodiment) of the rising cylinder 61, and one end of a duct 62 is fitted into this opening and connected to communicate therewith. The air path 52 of the hot air generator 60 is configured. The duct 62 is fixed to the case bottom plate 3a by a fixing tool.
[0018]
As shown in FIG. 12, one end of the duct 62 serves as a heater housing 63 for housing the heater 53, and the other end serves as the outlet 51. The portion from the outlet 51 to the heater housing 63 is bent. This is a bent air passage 52a. In the embodiment shown in FIG. 12, three bent corners 64 are formed in the bent flow channel 52a at substantially right angles. However, the number of the corner portions 64 of the bent flow channel 52a is limited to that of the embodiment shown in FIG. What is important is that the heater 53 in the heater accommodating portion 63 should not be wet when the scattered water enters the inside from the outlet 51, and therefore, the inside was viewed from the outlet 51. In this case, the portion from the outlet 51 to the heater housing 63 only needs to be bent so that the heater 53 cannot be seen. In this way, even if the scattered water enters the inside from the outlet 51, the heater 53 is not heated. Is not directly related to.
[0019]
The lower surface A of the heater housing 63 is located higher than the lower surface B of the bent channel 52a as shown in FIG. 16, and water that has entered the inside from the outlet 51 flows into the lower surface of the bent air passage 52a. Even if the water flows downstream, water is prevented from entering the heater 53 provided inside the heater storage section 63 located above the lower surface of the bent air passage 52a.
[0020]
An outlet frame 56 is attached to the outlet 51 of the air passage 52. As shown in FIGS. 5 and 11, a plurality of louver pieces 56a are formed in the blowing frame 56. The blowing frame 56 has a hot air blowing frame portion 56b on one side in the width direction and the other half on the width direction. Is a frame portion 56c for blowing out deodorized air, a fitting frame portion 56d is formed around the rear portion of the frame portion 56b for blowing out hot air, and a filter for drawing out a filter is provided below the frame portion 56b for blowing out hot air. An opening 57 is formed. A fixing piece 56e projects rearward from a side end of the blowing frame 56 on the side of the frame 56b for blowing hot air, and a U-shaped groove 56f is formed in the fixing piece 56e. At the side end of the blowing frame 56 on the side of the deodorizing air blowing frame 56c, a contact piece 56g is provided to project rearward. An outer peripheral flange portion 56h is provided around the outer peripheral surface of the blowing frame 56 so as to be shifted rearward from the outer surface by the same dimension as the thickness of the side piece of the cover body 3b.
[0021]
A blowout frame fixing portion 65 is provided near the duct 62 on the upper surface of the case bottom plate 3a. The fitting frame portion 56d of the blowout frame 56 is fitted into the blowout port 51 at the distal end of the duct 62, and the fixing piece 56e is fixed to the blowout frame. A screw 66 is inserted from the U-shaped groove 56f while being mounted on the portion 65, and is fixed to the blowout frame fixing portion 65 (see FIG. 12). As described above, the cover body 3b is mounted on the case bottom plate 3a with the one side of the blowout frame fixing part 65 fixed by the screw 66, and the side face of the cover body 3b is formed. A portion of the outer surface of the blowing frame 56 projecting forward from the outer peripheral flange 56h is fitted into the blowing frame mounting opening 55, and the outer surface of the blowing frame 56 is substantially flush with the side surface of the cover body 3b. . Here, an abutting piece 56g provided at a side end of the blowing frame 56 on the side of the deodorized air blowing frame 56c hits a contact portion 78 in the apparatus case 3 and is positioned.
[0022]
Although not shown in the figure, the device case 3 has one end opening toward the bowl 21 of the toilet bowl 1 and the other end provided with a deodorizing passage corresponding to the deodorizing air blowing frame 56c. A fan and a deodorant are provided in the road, and the odor in the bowl 21 is sucked, deodorized by the deodorant, and the deodorized air is discharged out of the device case 3 from the deodorized air blowing frame 56c. ing.
[0023]
A filter support portion 67 is provided on the inner surface of the suction port 50 provided on the lower surface portion of the rising cylindrical portion 61. Further, a filter frame 56 attached to the blowout port 51 from the filter support portion 67 provided on the suction port 50 is provided. A filter guide 68 is provided on the lower surface of the duct 62 and the upper surface of the case bottom plate 3a so as to reach the filter drawing opening 57 provided in the lower part. A take-out protrusion 58 is provided at an end of the filter 54, and a finger hook recess 59 is formed in a part of the periphery of the take-out protrusion 58. Then, the end filter 54 is inserted from the filter extraction opening 57, reaches the filter support 67 while being guided by the filter guide 68, and is supported by the filter support 67. It can be mounted so as to cross the suction port 50. As described above, in a state where the filter 54 inserted from the filter extraction opening 57 is inserted across the air passage 52, as shown in FIG. The outer end surface is set so as to be flush with the outer surface of the blowing frame 56. As described above, by making the outer end surface of the take-out protrusion 58 provided at the end of the filter 54 flush with the outer surface of the blowout frame 56 flush with the outer surface of the device case 3, the appearance is improved, and In addition, the projection 58 does not protrude to the outside and is not hit by another object, so that the projection 58 is not damaged. In addition, despite the fact that the outer end surface of the take-out protrusion 58 is flush with the outer surface of the blow-out frame 56 as described above, a finger hook recess 59 is formed in a part of the periphery of the take-out protrusion 58. The filter 54 can be easily pulled out by hooking a finger on the finger hooking recess 59 and pulling it.
[0024]
The lower surface of the case bottom plate 3a constituting the lower surface of the device case 3 is provided with an upward concave portion 69 which opens downward and laterally as shown in FIGS. Is communicated with a suction port 50 provided on the lower surface of the. When the device case 3 is mounted on the rear upper surface of the toilet 1, a gap is formed between the toilet 1 and the lower surface of the device case 3 by the upward concave portion 69. At the side end, and between the lower surface of the device case 3 and the upper surface of the toilet 1 to the outside of the device case 3. That is, a part of the lower opening 69a of the upward concave portion 69 for forming the gap communicates with the opening 2 above the storage space portion 11 in which the case main body 12 is housed. The one opening 69b communicates with the outside.
[0025]
When the fan 79 is operated and the heater 53 is energized, the air in the storage space 11 that houses the case main body 12 causes the air in the opening 2 and the upward recess 69 as shown by arrows in FIGS. While flowing from the lower opening 69a into the upward recess 69, external air flows from the side opening 69b into the upward recess 69, further flows into the air passage 52 from the suction port 50, and is heated by the heater 53 to generate warm air. The air is blown out from the air outlet 51 to heat the inside of the toilet. Here, even if the user accidentally closes the side opening 69b, since the air in the storage space portion 11 in which the case body 12 is installed can be sucked and heated, it is sufficient to generate hot air. A large amount of air can be secured. In addition, since air is sucked from both the lower opening 69a and the side opening 69b, the size of the side opening 69b can be reduced as compared with the case where only the side opening is provided, and the side opening 69b is connected to the upper surface of the toilet 1. Since it is formed to be slender between the lower surface of the device case 3, it is hardly noticeable from the outside and the appearance is improved.
[0026]
Next, an operation in using the toilet 1 of the present invention will be described. In the initial state, the rear end of the trap portion 16 faces upward as shown in FIG. 2 and the water 45 accumulates in the bowl 21 and the trap portion 16. Then, after the stool is completed, the warm water cleaning device provided in the device case 3 is operated to clean the local part of the human body. After washing the local part of the human body with the hot water washing device in this way, a washing switch (not shown) is operated. When the cleaning switch is operated and an ON signal of the cleaning switch is input to the control unit (not shown), the water supply means (not shown) is opened, and water is supplied from the water supply passage 22 through the rim unit as shown in FIG. Is supplied to the bowl 21 as indicated by the arrow. A few seconds (for example, about 6 to 8 seconds) after the water supply means 23 is turned on, the trap driving means is driven to reversely drive the trap section 16 so that the rear end faces downward (FIG. 3 → FIG. 4). In this manner, the inversion drive is performed so that the rear end of the trap section 16 faces downward, and the state where the rear end of the trap section 16 remains downward is maintained for several seconds (for example, about 3 seconds) as shown in FIG. Drain. When the drainage is completed, the trap driving means is driven in the opposite direction to drive the trap unit 16 so that the rear end thereof is directed upward. Thereafter, water supply is continued until a predetermined amount of water is accumulated in the bowl 21 and the trap unit 16. When a predetermined amount of water is accumulated, the water supply means 23 is turned off.
[0027]
【The invention's effect】
As described above, according to the first aspect of the present invention, one end serves as a suction port and the other end serves as a blowout port, and a heater is provided inside the apparatus case of the hot water washing device attached to the rear upper surface of the toilet. Is formed, an outlet at the other end of the air passage is opened to the side of the device case, and a portion from the outlet of the air passage to the heater is bent to form a bent air passage. Because it is located above the lower surface of the bent air path, even if hand washing water splatters or even if water splatters from the outlet when cleaning the device case with water, By the bent air passage, water scattered inside from the outlet is prevented from entering the heater.Also, even if water entered from the outlet flows down along the lower surface of the bent air passage, Position the heater above the lower surface of the curved air path By are brought, the heater without infiltration water, as a result, the heater is not wetted by water entering from the outlet, in which the heater can prevent electrical troubles caused by wetted by water. In addition, a filter that can be inserted and removed freely across the air path is provided, and the blowout frame provided at the blowout port is mounted on the blowout frame mounting opening on the side of the device case, and the outer surface of the blowout frame is mounted on the device case for the blowout frame An opening for filter extraction is provided at the lower part of the blowout frame to make the filter freely extractable, and the filter inserted from the filter extraction opening is inserted so as to cross the air path. Since the outer end surface of the take-out projection provided at the end is flush with the outer surface of the blowout frame, and a finger-holding recess is formed in a part of the periphery of the take-out projection, the filter is drawn out. The outer end surface of the take-out projection, which is the operation portion of the blowout frame, is flush with the outer surface of the blowout frame, which is flush with the outer surface of the device case. There is no danger that the projection will be damaged due to other objects hitting it without discharging to the outside, and even though the outer end surface of the projection is flush with the outer surface of the blowout frame, Since the finger hook recess is formed in a part of the periphery of the projection, the filter can be easily pulled out by hooking a finger on the finger hook recess and pulling it. Since the draw-out opening is provided, it is not necessary to provide an opening for allowing a filter to be freely put in and taken out of the apparatus case, so that the external appearance is improved.
[0028]
According to the invention of claim 2, in addition to the effect of the invention of claim 1 , an upward concave portion is formed on the lower surface of the device case, and a suction port is provided in a part of the upward concave portion, The case body in which the trap portion is disposed in the storage space portion provided in the interior, the lower opening of the upward concave portion communicates with the upper opening portion of the storage space portion, and the side opening of the upward concave portion is outside. Preferably, they are in communication. With such a configuration, the air in the storage space that houses the case body flows into the upward recess from the opening, the lower opening of the upward recess, and external air flows from the side opening into the upward recess. The air further flows into the air passage from the suction port, is heated by the heater, and is blown out as warm air from the outlet to heat the inside of the toilet. Even so, since the air inside the storage space inside the case body can be sucked and heated, sufficient air volume can be secured when hot air is generated. Since the air is sucked from both sides, the size of the side opening can be reduced as compared with the case where only the side opening is provided, and the side opening is formed to be elongated between the upper surface of the toilet and the lower surface of the device case. In, in which appearance less noticeable from the outside can be improved.
[Brief description of the drawings]
FIG. 1 is a perspective view of the present invention.
FIG. 2 is a sectional view of the same.
FIG. 3 is a cross-sectional view showing a cleaning operation of the above and showing a state in which water is supplied in a state in which a rear end of a trap portion faces upward.
FIG. 4 is a cross-sectional view showing a cleaning operation of the above, in a state where waste and sewage are discharged with the rear end of the trap portion facing downward.
FIG. 5 is a side view of the same device case.
FIG. 6 is a plan view of the same device case.
FIG. 7 is a rear view of the same device case.
FIG. 8 is a plan view of the same case bottom plate.
FIG. 9 is a side view of the same case bottom plate.
FIG. 10 is a front view of the case bottom plate of the above.
FIG. 11 is a side view showing a state where the hot air generator is attached to the case main body.
FIG. 12 is a cross-sectional view showing an air passage of the hot air generator of the above.
FIG. 13 is an explanatory diagram showing a flow at the time of sucking air in the upward concave portion as viewed from the lower surface.
FIG. 14 is an explanatory view showing a flow when air is sucked into the upward recessed portion as viewed from the side.
FIG. 15 is an enlarged cross-sectional view showing attachment of the above filter.
FIG. 16 is an end view for explaining the relationship between the level of the lower surface of the heater accommodating portion and the level of the lower surface of the bent air passage;
[Explanation of symbols]
Reference Signs List 1 toilet bowl 3 device case 50 suction port 51 blow-out port 52 air path 52a bent air path 53 heater 54 filter 55 blow-out frame mounting opening 56 blow-out frame 57 filter drawing-out opening 58 take-out protrusion 59 finger-holding recess

Claims (2)

One end in the device case of the hot water washing device attached to the rear upper surface of the toilet is a suction port, the other end is a blowout port, and forms an air passage inside which a heater is provided, and a blowout port at the other end of the air passage. Is opened to the side of the device case, the portion from the outlet of the air path to the heater is bent to form a bent air path, and the heater is positioned above the lower surface of the bent air path and inserted and removed across the air path. Provide a flexible filter, attach the blowout frame provided at the blowout opening to the blowout frame mounting opening on the side surface of the device case, and make the outer surface of the blowout frame flush with the outer surface of the blowout frame mounting opening of the device case. An opening for extracting the filter is provided at the lower part of the frame so that the filter inserted through the opening for extracting the filter is inserted across the air passage. With the outer surface flush with the outer end face balloon frame extraction projections provided, and, heating function with heated washing, characterized in that by forming a finger hanging recess to a portion of the peripheral portion of the take-out projection apparatus. An upward concave portion is formed on the lower surface of the device case, a suction port is provided in a part of the upward concave portion, and a case main body in which a trap portion is disposed in a storage space portion provided in the toilet is provided, and a lower opening of the upward concave portion is provided. 2. The hot water washing apparatus with a heating function according to claim 1 , wherein the upper opening of the storage space communicates with the opening, and the side opening of the upward recess communicates with the outside .

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