JPS6332206Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a hot water generating tank for private parts cleaning for generating hot water for cleaning to be supplied to a private parts cleaning nozzle for cleaning the anus and the like.

Conventionally, as shown in FIG. 1, a hot water generating tank 1 for private washing is attached to the side of a toilet bowl 2, and has a cold water inlet 1a and a hot water outlet (not shown) opened in the inner peripheral surface 1b of the tank. In addition, an electric heater 3 and a temperature sensor 4 are provided inside the tank. The cold water piping to the hot water generation tank 1 for private washing is such that the discharge port of a submersible pump (not shown) submerged in the water tank 5 and the check valve 6 attached to the cold water inlet 1a of the tank 1 are connected to the piping 7. Although not shown, it may be connected to the water pipe and the inlet 1 of the tank 1.
A is connected via a cold water operation valve. Furthermore, hot water piping from the tank 1 is connected to a hot water outlet (not shown) of the tank 1 and an inlet 8 of the cleaning nozzle 8.
a is connected by a pipe 9 with or without an anal cleaning/bidet cleaning switching valve (not shown). Hot water generation tank 1 for private cleaning configured in this way
is the cold water supplied into the tank 1 via the check valve 6 by the operation of the submersible pump or the cold water operation valve,
The water is heated to a predetermined temperature by an electric heater 3 controlled by a temperature sensor 4 and stored in advance as hot water. Then, the hot water stored in the tank 1 is pushed out from the hot water outlet by the cold water supplied to the lower part of the tank 1 by the operation of the submersible pump or the cold water operation valve in accordance with the user's operation. It is supplied to the cleaning nozzle 8.

By the way, after long-term use of the hot water tank 1 for private cleaning, water scale, rust on the water pipes, etc. adhere to the inner peripheral surface 1b of the tank, the electric heater 3, and the temperature sensor 4, and the hot water supplied to the cleaning nozzle 8 becomes dirty. This causes an undesirable situation when using hot water for cleaning. However, in the conventional hot water tank 1 for private cleaning, when removing water scale etc. adhering to the inner circumferential surface 1b of the tank, the inside of the tank must be manually cleaned after disassembling the tank. There is a risk of causing damage to the 3rd class etc. Therefore, the cleaning work of the tank 1 has the disadvantage that it requires a high level of skill and a lot of effort.

In order to solve the above-mentioned drawbacks, the present invention aims to provide a hot water generation tank for private cleaning that can clean the inside of the tank easily and quickly without disassembling the tank, and that can maintain the inside of the tank clean. shall be.

The present invention will be explained below based on the embodiment shown in FIG. The main improvement of the hot water generation tank for local cleaning (hereinafter referred to as the tank of the present invention) 11 according to the present invention is that the nozzle pipe is inserted into the tank from the inner peripheral surface 12c of the tank body 12 so as not to interfere with the electric heater 3 and the temperature sensor 4. 16 is provided protrudingly.
The tank body 12 is made of synthetic resin, metal, ceramics, etc., has a lower bowl part 12a and an upper lid part 12b watertightly joined via a packing 15, and has a predetermined internal capacity (for example, 2.2 liters). It is made up of size. The inner circumferential surface 12c of the tank body 12 has a cold water inlet 13a of a water supply hole 13 formed at the bottom of the lower bowl part 12a, and a cold water inlet 13a formed at the bottom plate part 12b' of the upper lid part 12b. A hot water outlet 14a of the discharge hole 14 is open. A check valve 6 connected to a cold water pipe 7 is connected to the water supply hole 13 . In addition, the lower bowl part 12
Although not shown, a drain hole may be provided at the bottom of b', and a blind plug may be removably screwed into the drain hole.

Inside the tank body 12, an upper lid portion 12 is provided.
An electric heater 3 and a temperature sensor 4 are hung down from the bottom plate part 12b' of b, and a nozzle pipe 16 inserted from the outside of the tank into the side wall insertion hole 12d of the lower bowl part 12a connects the electric heater 3 and temperature sensor 4. It is installed protrudingly so as not to interfere. The nozzle pipe 16 is an elongated pipe 16a made of metal or synthetic resin (for example, inner diameter d=13 mmφ, outer diameter=16 mm).
φ) to the nozzle hole 16b (for example, hole diameter = 1.5 mmφ)
A large number of holes are drilled with the center line of the nozzle hole oriented in an appropriate direction. The elongated tube 16 is formed into a straight tube shape or a curved tube shape with an appropriate curvature (not shown). A flange portion 16c formed on the outside of the nozzle pipe 16 is connected and fixed to the outer surface of the tank body 12 through a packing 17 in a watertight manner. The nozzle pipe 16
A nozzle pipe water supply channel 16e is formed in the flange portion 16c extending from the elongated pipe 16a to the external piping connection portion 16d. The nozzle pipe water supply pipe 16
A is the main tank 1 equipped with a water stop valve 18.
1 is configured to prevent hot water from flowing back into the nozzle pipe 16 when it is used as a hot water generation tank. A cold water pipe 7 is connected to the external pipe connection portion 16d. Note that although the water stop valve 18 is not provided on the flange portion 16c and is not shown in the drawings, the external piping connection portion 16d and the external piping 7 are configured to be detachable, and detachable water stop caps are provided at both connection ends. Of course, it is also possible to provide an appropriate water stop means in the nozzle pipe supply channel between the external piping connection part 16d and the external piping 7 by attaching the water stop means or the like.

A switching valve 19 for switching between anal cleaning and bidet cleaning is provided in the upper lid portion 12b of the tank body 12 as necessary so as to communicate with the discharge hole 14. An outlet (not shown) of the switching valve 19 is piped to the cleaning nozzle 8 (see FIG. 1). In the figure, 20 is a cover, and 21 is a water stop valve provided as necessary.

Next, the effects of the tank 11 of the present invention will be explained.
When the tank 11 of the present invention is used as a hot water generating tank for cleaning, the water stop valve 18 is closed and cold water is supplied into the tank body 12 via the piping 7 and the check valve 6. The cold water supplied into the tank body 12 is heated by an electric heater 3 controlled by a temperature sensor 4.
The water is heated to a predetermined temperature (for example, around 40 degrees Celsius). Hot water is supplied to the cleaning nozzle 8 (see FIG. 1) via the discharge hole 14 and the switching valve 19. Next, when cleaning water scale etc. that has adhered inside the tank body 12, after removing the check valve 6, close the water stop valve 21 or remove the check valve 6.
Attach a water stop cap (not shown) to the
Open the check valve 18 and connect the nozzle pipe 1 through the external pipe 7.
Supply tank cleaning water to 6. The tank cleaning water is
The total pressure inside the elongated tube 16a of the nozzle tube 16 is
It is supplied for 1 to 2 minutes at a total discharge rate of 2 to 3 liters/minute at a pressure of 1.0 to 1.5 Kgf/cm ² gauge. The tank cleaning water supplied to the nozzle pipe 16 is ejected from the nozzle holes 16b, 16, . Water scale and the like adhering to the surface of the pipe 16 are washed directly with the washing water coming out from the nozzle hole 16b or indirectly with the washing water bouncing back from the tank inner circumferential surface 12c and the like. The cleaned wastewater is discharged from the water supply hole 13 to the outside. After cleaning the inside of the tank body 12, close the water stop valve 18.
is closed, the check valve 6 is connected to the water supply hole 13, and the water stop valve 21 is opened to complete tank cleaning.
Note that when the tank body 12 has a drain hole (not shown), the blind plug screwed into the drain hole is removed and the water stop valve 21 is closed, and then the inside of the tank body 12 is cleaned in the same manner as described above. In addition, the water supply hole 13
In order to remove water scale and the like that have accumulated near the cold water inlet 13a, the water stop valve 21 is opened just before finishing cleaning the inside of the tank, and the water scale and the like that have accumulated in the cold water inlet 13a are flushed out to the drain hole. Once cleaning is complete, turn off the water stop valve 18.
and screw the blind plug into the water supply hole, and open the water stop valve 21 to complete tank cleaning.

As detailed above, the hot water generation tank for private cleaning according to the present invention can clean the inside of the tank body easily and quickly without disassembling the tank body, so the inside of the tank body can always be kept clean. This has the practical effect of making it possible.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of a main part of a toilet bowl equipped with a conventional hot water generating tank for private parts washing, and FIG. 2 is a sectional view of main parts showing an embodiment of a hot water generating tank for private parts washing according to the present invention. 3...Electric heater, 4...Temperature sensor, 1
1... Hot water generation tank for private cleaning, 12... Tank body, 12c... Inner peripheral surface, 13a... Cold water inlet, 14a... Hot water outlet, 16... Nozzle pipe,
16b... Nozzle hole.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. In a hot water generation tank for private cleaning, in which a cold water inlet and a hot water outlet are opened on the inner peripheral surface of the tank body, and an electric heater and a temperature sensor are provided inside the tank body. , a local cleaning characterized in that a nozzle pipe for tank cleaning having a large number of nozzle holes protrudes from the inner peripheral surface of the tank body into the inside of the tank body so as not to interfere with the electric heater and the temperature sensor. hot water generation tank. 2. Utility model registration claim 1, characterized in that a drain hole is bored in the bottom wall of the tank body, and a blind plug is removably screwed into the drain hole. A hot water generating tank for local cleaning.