JP2004068278A - Toilet bowl cleaning device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a toilet bowl cleaning device for cleaning a bowl without splashing washing liquid from the bowl and automatically washing the bowl only by operating a switch. <P>SOLUTION: This toilet bowl cleaning device is provided with a cover 13 for preventing liquid from splashing from the bowl 2 when washing is performed by a washing nozzle 7. The cover 13 is a sheet-like material made of a shape-memory high polymer, and a heater wire is buried in the cover. A storing part 14 for the cover 13 is provided between the front base of a toilet seat box 4 and the upper surface of a Western type toilet stool 1. The cover 13 is folded like a bellows at an ordinary temperature. When the toilet seat 5 and the toilet bowl lid 6 are opened and a bowl washing switch is turned on, an electric current is applied to the heater wire of the cover 13 so that the cover 13 is put on the bowl 2 brought into close contact therewith. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a toilet bowl cleaning device for cleaning a bowl surface of a toilet bowl, and more particularly to a toilet bowl cleaning device configured to cover a bowl portion and clean the bowl surface.
[0002]
[Prior art]
Japanese Patent Application Laid-Open No. H6-197850 describes an apparatus that blows off dirt adhering to a Western-style toilet bowl by spraying a cleaning solution and fresh water onto the Western-style toilet bowl.
[0003]
The toilet flushing device disclosed in Japanese Patent Application Laid-Open No. 6-197850 covers the entire Western-style toilet with a shutter-like cover, discharges a disinfectant-containing liquid from above the Western-style toilet to the Western-style toilet, and then cleans water. It is configured to squirt, finally blow dry with warm air, and then open the cover.
[0004]
[Problems to be solved by the invention]
The toilet apparatus disclosed in JP-A-6-197850 requires that the floor and walls around the toilet have a waterproof and waterproof structure, and the entire toilet has a special structure, and cannot be applied to ordinary toilets.
[0005]
An object of the present invention is to provide a toilet bowl cleaning device that can cover and wash only a bowl portion of a Western-style toilet bowl with a cover.
[0006]
[Means for Solving the Problems]
A toilet bowl cleaning device of the present invention is a toilet bowl cleaning device for cleaning a bowl portion of a Western-style toilet, comprising: a cover that covers an upper surface of the bowl portion and hermetically seals the inside of the bowl portion; and a cleaning unit that cleans the inner surface of the bowl portion. It is characterized by having.
[0007]
In such a toilet bowl cleaning device, the inner surface of the bowl is washed after the cover is placed on the upper surface of the bowl of the Western style toilet. Since the bowl is sealed with the cover, the liquid does not scatter outside the bowl during washing. Therefore, the floor and walls of the toilet room may be in the usual configuration. It should be noted that the Western-style toilet itself may have a normal configuration.
[0008]
In the present invention, a box provided on the rear upper surface of the Western-style toilet bowl is provided, and the cover is stored in a storage section provided in the box, and can be unfolded from the storage section to seal the inside of the bowl section. Is desirable. According to this configuration, the cover can be stored in the storage unit during non-washing, and can be drawn out of the storage unit and placed on the bowl during cleaning, which is extremely convenient.
[0009]
In this case, it is preferable that the storage section is arranged at the lower edge of the front part of the box, and that the cover can be pulled upward from the expanded state. By pulling up the expanded cover in this manner, the storage unit is exposed and the storage unit can be cleaned.
[0010]
In the present invention, the cleaning means preferably has a cleaning nozzle for applying a cleaning liquid to the inner surface of the bowl. In this case, in order to reduce the number of nozzles, it is preferable that the cleaning nozzle be capable of switching between the cleaning solution and the fresh water and ejecting the same.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments will be described with reference to the drawings. 1A is a longitudinal sectional view of a Western-style toilet provided with the toilet cleaning device according to the embodiment (the lower part of the Western-style toilet is a side view), FIG. 1B is an enlarged view of a part of FIG. 2 is a perspective view of the cover, FIG. 3 is a perspective view of the tip of the cleaning nozzle, FIG. 4 is a diagram of a liquid supply system to the cleaning nozzle, and FIG. 5 is a view of the same portion as FIG. It is sectional drawing.
[0012]
As shown in FIG. 1, the Western-style toilet 1 has a pot portion 2 at a front portion, and a rim 3 is provided on an upper inner periphery of the pot portion 2. A toilet seat box 4 is installed on the rear upper surface of the Western-style toilet 1, and a toilet seat 5 and a toilet lid 6 are attached to the toilet seat box 4 so as to be able to turn up and down.
[0013]
In the toilet seat box 4, a cleaning nozzle 7 for cleaning the bowl 2 is attached and installed by a bracket 11. The cleaning nozzle 7 has a cylinder 8, a piston-shaped nozzle body 9 that can extend from the cylinder 8, and a plurality of ejection holes 10 provided at the tip of the nozzle body 9. When the liquid is supplied into the cylinder 8, the nozzle body 9 is pushed by this liquid supply pressure and moves forward as shown by a two-dot chain line 9 'in FIG.
[0014]
In this embodiment, the tip of the nozzle body 9 has an enlarged spherical shape, and a large number of jet holes 10 are provided so as to be able to jet liquid in almost all directions (360 °) in a substantially horizontal plane as shown in FIG. ing.
[0015]
An opening 12 through which the nozzle body 9 of the cleaning nozzle 7 passes when the toilet seat box 4 advances is provided on the lower surface of the front part of the toilet seat box 4.
[0016]
A cover 13 is provided to prevent the liquid from scattering from the bowl 2 during the cleaning operation by the cleaning nozzle 7. The cover 13 is a sheet made of a shape memory polymer material, and has a heater wire (not shown) embedded therein.
[0017]
As shown in FIG. 2, bolts 13 a functioning as a fixture for attaching the cover 13 to the toilet seat box 4 and also functioning as a current supply terminal to the heater wire are provided at a rear portion of the cover 13. The front bottom surface of the toilet seat box 4 is separated from the upper surface of the Western style toilet 1 by a predetermined distance, and a storage portion 14 of the cover 13 is provided between the front bottom surface of the toilet seat box 4 and the upper surface of the Western style toilet 1. .
[0018]
The cover 13 is attached to the ceiling portion at the back of the storage section 14 by bolts 13a.
[0019]
The cover 13 has a bellows-like shape at normal temperature as shown in FIG. When the heater 13 in the cover 13 is energized to raise the temperature of the cover 13, the cover 13 has a flat shape as shown in FIG. The cover 13 is large enough to cover the entire circumference of the bowl 2 of the Western-style toilet bowl 1, and the cover 13 extending flat is in close contact with the entire upper surface of the rim 3.
[0020]
As shown in FIG. 2, the cover 13 is provided with a hole 13b through which the nozzle body 9 passes. The inside diameter (diameter) of the hole 13b is equal to the diameter of the nozzle body 9 other than the tip. A plurality of slits extend in the radial direction from the hole 13b, and the tip of the nozzle body 9 having a diameter larger than that of the hole 13b can pass therethrough.
[0021]
As shown in FIG. 4, a cleaning chemical tank 16, a pump 17, and fresh water (tap water) piping 18 are connected to the rear end of the cylinder 8 of the cleaning nozzle 7 via a three-way valve 15.
[0022]
In the toilet bowl cleaning device thus configured, when the toilet seat 5 and the toilet lid 6 are opened and a pot cleaning switch (not shown) is turned ON, first, the heater wire of the cover 13 is energized, and the cover 13 is moved forward. , And closely adhere to the upper surface of the pot portion 2 as shown in FIG.
[0023]
Next, the cleaning nozzle 7 and the cleaning solution tank 16 are communicated by the three-way valve 15, and the pump 17 is operated. As a result, the nozzle body 9 moves forward through the hole 13b of the cover 13, the tip is disposed in the bowl 2, and the cleaning liquid is ejected from the ejection hole 10. The cleaning solution is poured over the inner peripheral surface 3a of the rim 3 and the entire inner surface 2a of the bowl 2.
[0024]
After the jetting of the cleaning chemical, the three-way valve 15 communicates the cleaning nozzle 7 with the pipe 18, the fresh water is jetted from the jet hole 10 of the nozzle body 9, and the rim inner peripheral surface 3a and the pot inner surface 2a are rinsed.
[0025]
By the cleaning with the cleaning solution and the rinsing with clear water, the inner surface 2a of the bowl and the inner peripheral surface 3a of the rim become clean. At the time of this washing, the cover 13 covers the pot portion 2 and is in close contact therewith, so that the liquid does not scatter outside.
[0026]
After the cleaning is completed, the power supply to the heater wire of the cover 13 is stopped. As a result, the temperature of the cover 13 decreases, and the cover 13 assumes a bellows shape and is drawn into the storage portion 14.
[0027]
When the cover 13 is extended flat as shown in FIG. 1A and the front end of the cover 13 is picked up and the cover 13 is lifted upward as shown in FIG. Will do. 5, the bottom surface of the toilet seat box 4 facing the storage unit 14 and the rear upper surface of the Western-style toilet 1 can be carefully cleaned (for example, wiped). By sufficiently cleaning the front portion of the toilet seat box 4 and the upper surface of the Western-style toilet 1 in this way, it is possible to prevent odor caused by urine or the like entering this portion.
[0028]
Although not shown, a hot water washing nozzle for jetting hot water toward the buttocks of the human body is installed in the toilet seat box 4. The hot water washing nozzle can also extend into the bowl 2 through the opening 12.
[0029]
In the above embodiment, the cleaning chemical is also ejected from the cleaning nozzle 7. However, the cleaning chemical is poured directly from the commercially available container onto the inner surface 2a of the pot, and only the rinse with fresh water is performed by the cleaning nozzle 7. Good.
[0030]
The above embodiment is an example of the present invention, and the present invention can take forms other than those illustrated. For example, the Western-style toilet 1 may be provided with a low tank. Further, a heater or a hot water tank for heating the above-mentioned fresh water may be provided. The cleaning means may be a cleaning brush device or the like. The cover 13 may be moved in and out manually or electrically. In this case, the cover 13 may be made of various materials such as resin and rubber.
[0031]
【The invention's effect】
As described above, according to the present invention, the pot portion can be cleaned without scattering the cleaning liquid from the pot portion. According to the present invention, it is also possible to configure so that the pot portion cleaning is automatically performed only by the switch operation.
[Brief description of the drawings]
FIG. 1A is a longitudinal sectional view of a Western style toilet provided with a toilet bowl cleaning device according to an embodiment, and FIG. 1B is an enlarged view of a part of FIG.
FIG. 2 is a perspective view of a cover.
FIG. 3 is a perspective view of a tip portion of a cleaning nozzle.
FIG. 4 is a diagram of a liquid supply system to a cleaning nozzle.
FIG. 5 is a cross-sectional view of the same portion as FIG. 1B when the storage unit is cleaned.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Western-style toilet 2 Pot part 2a Pot part inner surface 3 Rim 3a Rim inner peripheral surface 4 Toilet seat box 7 Washing nozzle 10 Spout hole 13 Cover 14 Storage part

Claims (5)

In a toilet cleaning device for cleaning the bowl of a Western-style toilet,
A cover that covers the upper surface of the pot portion and seals the inside of the pot portion,
Cleaning means for cleaning the inner surface of the bowl;
A toilet bowl cleaning device comprising: 2. The toilet cleaning apparatus according to claim 1, wherein the cleaning means has a cleaning nozzle for applying a cleaning liquid to the inner surface of the bowl. 3. The toilet cleaning apparatus according to claim 2, wherein the cleaning nozzle is capable of switching between a cleaning liquid and fresh water to be jetted. The box according to any one of claims 1 to 3, further comprising a box installed on a rear upper surface of the Western-style toilet bowl,
The toilet cleaning device, wherein the cover can be stored in a storage portion provided in the box, and can be unfolded from the storage portion to seal the inside of the bowl portion. 5. The toilet bowl cleaning apparatus according to claim 4, wherein the storage section is disposed at a lower edge of a front portion of the box, and the cover is capable of being pulled upward from an expanded state.

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