JPH0630883A - Automatic bathtub cleaning method and apparatus - Google Patents

Abstract

(57) [Summary] [Purpose] I would like to obtain a water-saving automatic cleaning method and device that can be installed without special piping work. [Structure] A spray nozzle 6 sprays a detergent all over the bath tub 1 to remove stains while decomposing the chemicals, and then rinses the detergent with water or hot water, and at the same time allows the casing 5 to be taken in and out of the bath. Incorporate all the cleaning functions. [Effects] Since chemicals can be used to decompose and remove dirt and wash it away, it saves water and power costs, and since all the functions are built into the casing 5, it can be put in the bathtub only during cleaning. It is convenient because it can be pulled up and used when taking a bath. Further, since it is simply combined with the bath water heater 22, no special work is required.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and a device for easily and automatically cleaning a bathtub.

[0002]

2. Description of the Related Art As an automatic washing device for a bathtub, a washing nozzle is attached to the bathtub, an automatic drain valve is attached to a drain pipe below a drain port, and a circulation pump with a circulation pump is provided between the automatic washer and the drain pipe. An automatic bathtub cleaning device is known which is connected by a line and controls prewashing, cleaning, rinsing, etc. by a controller incorporated in the automatic cleaning device (Japanese Patent Laid-Open No. 2-341).
069 gazette and the same 2-341070 gazette).

[0003]

However, the above-mentioned known example has the following problems.

A. Since it is necessary to install the cleaning nozzle to the bathtub and to install piping for the circulation line, it can be applied when a new bathtub is installed, but it is practically impossible to attach it to the existing bathtub afterwards. .

B. Since a circulation pump is incorporated in the automatic washing machine, and the pressure is squeezed by the circulation pump to inject from the washing nozzle, the apparatus becomes complicated and large, and power consumption is large.

It is an object of the present invention to provide an automatic bathtub cleaning apparatus which does not have the above problems a to b.

[0007]

The structure of the automatic bathtub cleaning method and apparatus according to the present invention is as follows.

1. Pre-washing process in which tap water or hot water is sprayed into the bath to pre-wash and moisten the inner wall of the bath. Detergent is sprayed all over the bath to attach the detergent to the bath. A method for automatically cleaning a bathtub, which comprises a stain disintegrating and cleaning step of decomposing stains by the chemical force of the detergent, and a rinsing step of spraying tap water or warm water over the entire area of the bathtub to wash off the detergent and the decomposed stains attached to the bathtub. .

2. A spray nozzle for spraying the detergent all over the bathtub, a spray pump for spraying the detergent in the cleaning tank from the spray nozzle, a drain valve opener for opening and closing the drain valve of the bath, and a bathtub A pre-washing rinsing nozzle for injecting tap water or hot water toward the entire area, and a. Drive the drain valve opener to open the drain valve to drain the remaining hot water, b. Rinse the drain valve and spray clean water or warm water from the nozzle to wash out large dust in the bath and moisten the inner surface of the bath. C. Drive the drain valve open / close to temporarily close the drain valve, and then drive the spray pump to spray and deposit the detergent in the detergent tank over the entire bath, and wait for a certain period of time to decompose stains due to the chemical force of the detergent. Yes, d. A controller that drives the drain valve opener to open the drain valve and sprays tap water or hot water from the rinse nozzle over the entire bath to wash away the attached detergent and decomposed dirt. Automatic bathtub cleaning device.

It should be noted that a foam nozzle is provided and a circulation port that opens into the bath is provided, the circulation port and the suction side of the spray pump are connected, and the foam nozzle and the discharge side of the spray nozzle are connected to each other to form the spray pump. It is also possible to incorporate a bubble nozzle generation system path into the casing, which drives the nozzle to suck the hot water in the bathtub from the circulation port and eject the sucked hot water from the foam nozzle in a foam shape.

Next, a spray nozzle and a rinsing nozzle are attached to a casing that can be freely taken in and out of the bath, and a detergent tank, a spray pump, a drain valve switch,
A controller may be incorporated to configure an automatic bathtub cleaning device, a casing may be installed in the bathtub only during cleaning, and the casing may be pulled up when bathing.

Next, after the rinsing process is completed, an automatic water filling control circuit for driving the drain valve opening and closing the drain valve and sending a hot water supply start signal to the automatic bath water heater to perform automatic water filling is provided. It may be incorporated in the controller.

[0013]

When the operation switch in the cleaning mode is turned on, the controller drives the drain valve opening / closing device to open the drain valve and drain the remaining hot water. Next, for example, through an automatic bath water heater, tap water is sprayed from the rinsing nozzle over the entire area of the bath to wash out large dust, and at the same time, pre-washing is performed to moisten the inner surface of the bath. Next, the drain valve is closed, the spray pump is driven to spray the detergent in the detergent tank from the spray nozzle to the entire area of the bath, and the detergent is allowed to adhere to the entire area of the bath for a certain period of time. Disassemble. Next, the drain valve is opened, and tap water or hot water is sprayed from the rinsing nozzle to the entire area of the bathtub through, for example, an automatic bath water heater to wash away the detergent and decomposed dirt. This completes the cleaning, after which the drain valve is closed and an operation signal is sent to the automatic bath water heater to perform automatic filling.

It should be noted that the controller can also have a mode in which prewashing is omitted. Next, when enjoying the bubble blow, when the bubble blow mode is selected, the hot water in the bathtub flows from the circulation port to the spray pump to the bubble nozzle, and the bubbles blow out from the bubble nozzle.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, 1 is a bath, 2 is a drain port, 3 is a drain valve, and 4 is an automatic washing machine, which can be installed in the bath 1. A casing 5 is provided with a spray nozzle 6, a bubble nozzle 7, a rinsing nozzle 8 and a circulation port 9. 10 is a detergent tank, 11 is a detergent supply pipe connected from the detergent tank 10 to the spray nozzle 6,
13 is a spray pump, 14 is a foam nozzle pipe that branches from the cleaning agent supply pipe 11 via a three-way valve 15 and reaches the foam nozzle 7,
Reference numeral 16 denotes a circulation pipe which connects the circulation port 9 to the detergent supply pipe 11 via a three-way valve 12, and the control valve 1
7 is attached. In the circulation pipe 16, 18 is a suction pipe connected to the downstream side of the control valve 17, 19 is a discharge pipe connected to the rinsing nozzle 8, 20 is a drain valve opening / closing device, 2
Reference numeral 1 is a connecting body connected to the drain valve 3. 22 is a bath water heater with an automatic hot water refilling function.

Reference numeral 23 is a controller for performing the following control.

When the operation switch in the cleaning mode is turned on, the controller 23 first drives the drain valve opening / closing device 20 to open the drain valve 3 and drain the remaining hot water. Next, with the drain valve 3 open, the bath water heater 22 → the discharge pipe 19 → the rinse nozzle 8 and tap water or hot water are supplied, and the rinse nozzle 6 sprays the entire area of the bath 1 to prewash. Wet dust and the inner surface of the bath. Next, the drain valve opening / closing device 20 is driven to close the drain valve 3, and the spray pump 13 is driven to drive the detergent from the spray nozzle 6 to the bath via the detergent tank 10 → three-way valve 12 → spray pump 13 → three-way valve 15. 1 is sprayed over the entire area, the detergent is applied over the entire area within the bath 1, and a certain period of time is waited for. During this time, stains are decomposed by chemical force. Next, the drain valve 3 is opened, and tap water or warm water is sprayed from the rinsing nozzle 8 into the bathtub 1 via the bath water heater 22 to wash away the detergent adhering to the bathtub and decomposed dirt. This completes the cleaning, after which the drain valve 3 is closed, an operation signal is sent to the bath water heater 22 via the signal line 24, and automatic filling is performed.

Next, in the case of enjoying the bubble blow, when the bubble blow mode is selected, the three-way valves 12 and 15 are switched, the control valve 17 is opened, and the hot water in the bathtub 1 is circulated from the circulation port 9 to the circulation pipe 16. → Control valve 17 → three-way valve 12 → spray pump 13 → three-way valve 15 → foam nozzle 7 to flow and eject as foam.

When the automatic cleaning is completed, a signal is sent from the controller 23 to the bath water heater 22 via the signal line 24 to perform automatic filling. The reheating performed by the bath water heater 22 is performed by the circulation port 9 → the control valve 17 → the circulation pipe 16 → the bath water heater 22 → the discharge pipe 19 → the rinse nozzle 8.

[0020]

The effects of the present invention are as follows.

A. Since the method of spraying the detergent all over the bathtub and decomposing and dropping the dirt by this chemical force, the operating cost is lower than the method of circulating the wash water.

B. The amount of water or hot water used is minimal, which is effective in saving water.

C. The device can be set by simply connecting the drain valve in the bathtub by combining it with a bath water heater with an automatic hot water reheating function, so the equipment work can be minimized, and it can be easily installed especially in an existing bathtub. Can be used.

D. Since all the functions are built into the casing that can be put in and taken out of the bathtub, it is convenient to install it in the bathtub only when cleaning and then pull it up so that it does not interfere with bathing. .

E. Enjoy the bubble bro.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of an embodiment of the present invention.

[Explanation of symbols]

 1 Bathtub 2 Drain Port 3 Drain Valve 4 Automatic Washer 5 Casing 6 Spray Nozzle 7 Foam Nozzle 8 Rinse Nozzle 9 Circulation Port 10 Detergent Tank 11 Detergent Supply Pipe 12 3-Way Valve 13 Spray Pump 20 Drain Valve Opener 22 Automatic Hot Water Reheating Functional bath water heater 23 Controller 24 Signal line

Claims (5)

[Claims] 1. A pre-washing process for injecting tap water or hot water into the bath to pre-wash and moisten the inner wall of the bath, spraying the detergent all over the bath to attach the detergent to the bath. , A stain disintegration and cleaning process that decomposes stains by the chemical force of the attached detergent, and a rinsing process in which tap water or warm water is sprayed over the entire bath to wash away the detergent attached to the bath and the decomposed stains. Automatic bathtub cleaning method. 2. A spray nozzle for spraying the detergent all over the bath, a spray pump for spraying the detergent in the cleaning tank from the spray nozzle, and a drain valve for opening and closing the drain valve of the bath. A switch and a rinsing nozzle for pre-washing to inject tap water or hot water into the entire bathtub; a. Drive the drain valve opener to open the drain valve to drain the remaining hot water, b. Rinse the drain valve and spray clean water or warm water from the nozzle to wash out large dust in the bath and moisten the inner surface of the bath. C. Drive the drain valve open / close to temporarily close the drain valve, and then drive the spray pump to spray and deposit the detergent in the detergent tank over the entire bath, and wait for a certain period of time to decompose stains due to the chemical force of the detergent. Yes, d. A controller that drives the drain valve opener to open the drain valve and sprays tap water or hot water from the rinsing nozzle over the entire bath to wash away the attached detergent and decomposed dirt. Automatic bathtub cleaning device. 3. A spray pump provided with a foam nozzle and a circulation port opening in the bathtub, the circulation port and a suction side of the spray pump are connected, and the foam nozzle and a discharge side of the spray nozzle are connected to each other. 3. The automatic bathtub cleaning apparatus according to claim 2, further comprising a bubble nozzle generating system path for driving the nozzle to suck the hot water in the bathtub from the circulation port and ejecting the sucked hot water from the bubble nozzle in a foam shape. 4. The automatic bathtub according to claim 2, wherein a spray nozzle and a rinsing nozzle are attached to a casing that can be freely taken in and out of the bath, and a detergent tank, a spray pump, a drain valve opener and a controller are incorporated in this casing. Cleaning device. 5. After completion of the rinsing process, the drain valve opening / closing device is driven to close the drain valve, and a hot water supply start signal is sent to the automatic bath water heater to control an automatic water filling control circuit. Claims 1, 2, 3, 4 incorporated in a container
A method and apparatus for automatically cleaning a bathtub described in the above.