JP2001275921A - Dishwasher and its washing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dishwasher wherein a washing can be performed with a clean washing water from the beginning of the washing process, and also, slag is prevented from sticking again to washed tableware. SOLUTION: On the upper side wall of a washing tank 2, a mist-spraying water supply nozzle 10 which is directly connected to a water supply tap is provided, and a water supply is performed. In this case, washing water is sprinkled on tableware 11 in the washing tank 2 from the mist-spraying water supply nozzle 10 while the washing water is spray-supplied, and the removal of contamination in the washing process after that becomes more favorable. After the completion of the next rinsing process, water is spray-supplied by the mist- spraying water supply nozzle 10, and the water is drained by a water draining pump 18. By this constitution, slag which has stuck again to the tableware during the rinsing process can be washed off to ensure the washing effect.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher for washing dishes by injecting washing water and a washing method therefor.

[0002]

2. Description of the Related Art FIG.
FIG. 1 is a longitudinal sectional view showing a conventional dishwasher disclosed in Japanese Patent Publication No. In the figure, 31 is a dishwasher main body, 32 is a washing tank provided in the dishwasher main body 31, 33 is a washing tank 32
A water supply port 34 provided at an upper portion of a first drainage reservoir (hereinafter, referred to as a first drainage reservoir) formed at the bottom of the cleaning tank 32 and storing cleaning water.
35) is a water supply port for circulating the cleaning water provided in the first reservoir 34, 36 is a drainage port provided in the first reservoir 34 for draining the cleaning water, and 37 is a water supply port 35.
A filter for cleaning disposed between the filter and the drain 36;
Is a water supply hose having one end connected to the water supply port 33 and the other end extended to the outside of the main body 31 and connected to a water tap, etc., 39 is an electromagnetic valve arranged in the middle of the water supply hose 38, and 40 is a water supply port 35 The cleaning pump 41 is connected to the water supply pipe 41, one end of which is connected to the discharge side of the cleaning pump 40, and the injection nozzle 42 is rotatably supported in a horizontal plane. Connected to the other end. Reference numeral 43 denotes a plurality of injection ports provided in the injection nozzle 42, reference numeral 44 denotes a basket for storing tableware 45, reference numeral 46 denotes a rail for guiding the movement of the basket 44 provided in the washing tank 32, and reference numeral 47 denotes the main body 31.
, A door 48 for opening and closing an opening 47 pivotally attached to the main body 31, and an opening 49 at one end thereof.
A drain pipe 50 connected to the drain port 36 of the second drain pool (hereinafter, referred to as a second drain pool) provided outside the main body 31 and having an upper part opened.
Reference numeral 51 denotes an inlet of the second pool 50, and a drain pipe 49 is inserted into the inlet 51.
Reference numeral 52 denotes a drain filter disposed in the second reservoir 50, which is connected to the inlet 51 to which the drain pipe 49 is connected. 53 is a drain provided in the second sump 50, 54 is a drain pipe connected at one end to the drain 53 of the second sump 50 and drawn out of the main body 31, and 55 is disposed in the middle of the drain 54. It is a drainage pump for drainage.

The operation of such a conventional dishwasher will be described with reference to the operation process diagram of FIG. First, the solenoid valve 39 is released, and the water supply port 33 is connected via the water supply hose 38.
Then, a predetermined amount of washing water is supplied into the washing tank 32 (step 41). The cleaning water stored in the first reservoir 34 is guided by a cleaning pump 40 from a water supply port 35 to a spray nozzle 42 via a water supply pipe 41. The injection nozzle 42 is for the cleaning pump 4
With the water supply from 0, the washing water is spouted from the jet orifice 43 to the dishes 45 in the basket 44 while rotating to wash it (step 42). During this time, the residue contained in the cleaning water adheres to the cleaning filter 37. After a predetermined time,
The cleaning pump 40 is stopped, the drainage pump 55 is operated, and the cleaning water including the residue in the first reservoir 34 is discharged to the drainage pipe 49 and the second
Through the pool 50, the drain filter 52 and the drain pipe 54,
The water is drained out of the main body 31 (step 43). Next, fresh cleaning water is supplied (step 44), and the cleaning pump 40 is driven to perform rinsing (step 45) and drain the cleaning water (step 46). And step 4
A predetermined number of rinsing steps such as 4 to 46 (here, 2
Times) (steps 47 to 52), and the cleaning of the tableware 45 ends (step 53). Also, as in step 54 shown by the dotted line, the final rinsing step (step 50)
To 52), a drying process using a heater (not shown) may be provided. In the case where such a drying process is provided, the washing and drying of the dishes 45 can be performed.

[0004]

In such a conventional dishwasher, the washing water circulated in the washing tank 32 is circulated for washing, and the residue attached to the dishes 45 is washed. To remove from water, the first sump 3
A cleaning filter 37 is provided at the water supply port 35 of the water supply pipe 41 for supplying the cleaning water in 4. However, there is a problem that fine and light residues among the residues caught on the cleaning filter 37 are scattered by the injection pressure of the cleaning water injected from the injection nozzle 42 and re-attached to the tableware 45. there were.

Since the water supply port 33 connected to the tap water via the water supply hose 38 is located above the washing tank 32, the supplied washing water flows from the water supply port 33 into the washing tank 32. Is supplied while hanging on the tableware 45 stored in the table. Therefore, the washing water supplied from the water supply port 33 and stored in the first pool 34 includes a part of the residue attached to the tableware 45 and oil stains. Therefore, before the cleaning water is sprayed from the spray nozzle 42 toward the dishes 45, large residues contained in the cleaning water can be removed by the cleaning filter 37, but pass through the oil stains and the cleaning filter 37. The fine residue and the like that are sprayed together with the washing water are sprayed from the spray nozzle 42 toward the dishes 45, and the dishes 45 are washed with the dirty washing water, resulting in poor cleaning efficiency. There was a point.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a dishwasher having high cleaning efficiency by preventing re-adhesion of residues to tableware.

[0007]

In a dishwasher according to the present invention, a washing tank for storing and washing dishes and a water supply port provided above or on a side wall of the washing tank communicate with the washing tank. A water supply valve for controlling water supply to the tank, and control means for controlling the operation of the water supply valve, and a water supply nozzle for diffusing and supplying cleaning water into the cleaning tank is directly connected to the water supply port; It is connected to the faucet of the house with a water supply hose.

Further, the water supply nozzle has a structure in which when the water supply valve is opened by the control means, diffusion water supply is performed by tap water pressure.

A washing tank for storing and washing tableware;
It communicates with a water supply port provided on the side wall or upper wall of this washing tank,
A water supply valve for controlling water supply to the washing tank, a washing nozzle connected to a washing pump for injecting washing water in the washing tank into the washing tank to wash the dishes, the water supply valve and the washing pump A dishwasher in which a water supply nozzle for diffusing and supplying washing water into the washing tank is directly connected to the water supply port, and the water supply valve and a faucet of the house are connected by a water supply hose. The control means opens the water supply valve at the time of water supply in both or one of the washing step and the rinsing step, and performs diffusion water supply by the water supply nozzle.

A washing tank for storing and washing tableware,
It communicates with a water supply port provided on the side wall or upper wall of this washing tank,
A water supply valve for controlling water supply to the washing tank, a washing nozzle connected to a washing pump for injecting washing water in the washing tank into the washing tank to wash the dishes, the water supply valve and the washing pump A dishwasher in which a water supply nozzle for diffusing and supplying washing water into the washing tank is directly connected to the water supply port, and the water supply valve and a faucet of the house are connected by a water supply hose. After the rinsing step, the control means opens the water supply valve and performs diffusion water supply by the water supply nozzle.

A washing tank for storing and washing tableware,
It communicates with a water supply port provided on the side wall or upper wall of this washing tank,
A water supply valve for controlling water supply to the washing tank, a washing nozzle connected to a washing pump for injecting washing water in the washing tank into the washing tank to wash the dishes, and washing in the washing tank A drain pump for draining water out of the machine, and control means for controlling the water supply valve, the cleaning pump, and the drain pump are provided, and a water supply nozzle for diffusing and supplying cleaning water into the cleaning tank is directly connected to the water supply port. In a dishwasher in which the water supply valve and a faucet of a house are connected by a water supply hose, the control unit opens the water supply valve immediately before both or both of the washing step and the rinsing step. After the diffusion water supply is performed by the water supply nozzle, and then the cleaning water is drained by the drain pump, the respective steps are started.

A washing nozzle connected to a washing pump for washing the dishes by injecting washing water in the washing tank into the washing tank, and a detergent container case to be put into the washing nozzle; Disposed on the bottom of the washing tank, the detergent case, a main body having a detergent storage portion, an openable and closable upper lid provided on the upper surface of the main body, and a water introduction hole formed in the lower surface of the main body and communicating with the storage portion. , And a return port that communicates with the storage section, and is located below the water supply nozzle and above the washing nozzle.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a sectional view showing a dishwasher according to a first embodiment of the present invention, in which 1 is a dishwasher main body, 2 is a dishwasher main body 1.
A cleaning tank 3 provided therein is provided with a water supply port provided at an upper portion of the cleaning tank 2, 4 is formed at a bottom of the cleaning tank 2, and a storage section for storing cleaning water, and 5 is provided in the storage section 4. A water supply port, 6 is a drain port for draining washing water provided in the storage unit 4,
Reference numeral 7 denotes a residue filter disposed between the water supply port 5 and the drain port 6 for filtering the washing water. Reference numeral 8 denotes a water supply hose having one end connected to the water supply port 3 and the other end connected to a tap for water supply. Hose 8
The water supply valve 10 provided between the water supply port 3 and the water supply port 3 is directly connected to the water supply port 3, and the cleaning water supplied from the water supply hose 8 is sprayed in a mist state to supply water while spraying the dishes 11. Injection water supply nozzle (water supply nozzle in claims),
Reference numeral 12 denotes a cleaning pump connected to the water supply port 5, reference numeral 13 denotes a water supply pipe having one end connected to the discharge side of the cleaning pump 12, reference numeral 14 denotes a cleaning nozzle rotatably provided at the bottom of the cleaning tank 2, and reference numeral 14 denotes a cleaning nozzle. It is connected to the other end of the water pipe 13. Reference numeral 15 denotes two injection ports provided in the washing nozzle 14, reference numeral 16 denotes a tableware basket for storing the tableware 11, and reference numeral 17 denotes drainage which is connected to the drainage port 6 of the storage unit 4 at one end and drawn out of the main body 1. tube,
Reference numeral 18 is a drainage pump for drainage provided in the middle of the drain pipe 17.

Reference numeral 19 denotes a box-shaped detergent case attached to the tableware basket 16, and as shown in FIGS. 2 and 3, a detergent case main body 21 forming a detergent storage portion 20 into which the detergent A is introduced.
And an openable and closable upper lid 2 provided on the upper surface of the detergent container body 21.
2, the washing water injected from the washing nozzle 14 enters the lower surface of the detergent case main body 21, and the water introduction port 23 communicating with the detergent accommodating section 20, and the washing water entered by communicating with the detergent accommodating section 20 to the detergent. And a return port 24 that flows out of the container body 21.

Here, the structure of the water spray nozzle 10 will be described in detail with reference to FIGS. FIG. 4 is a vertical sectional view of the state of attachment of the water supply port 3 and the mist injection water supply nozzle 10 and the mist injection nozzle 10, and FIG. 5 is a front view of the mist injection water supply nozzle 10. Reference numeral 25 denotes an injection port for spraying mist-like cleaning water from the mist injection water supply nozzle 10 (here, a hollow cone type is used); 26, a hole communicating the inside of the mist injection water supply nozzle 10 with the water supply port 3; Part 26 and water inlet 3
And an introduction pipe that communicates the

The operation of the dishwasher constructed as described above will be described with reference to the operation process chart of FIG. When the tableware 11 is set in the tableware basket 16 and stored in the washing tank 2 and the operation is started, first, the washing process is started.
Since the water supply valve 9 is directly connected to a faucet (not shown) via a water supply hose 8, tap water pressure is always applied to the water supply valve 9. When the water supply valve 9 is opened by this tap water pressure, mist-like cleaning water is injected and supplied into the cleaning tank 2 from the mist injection water supply nozzle 10 (step 1). At this time, the washing water is sprayed and supplied to the tableware 11 by the mist spray water supply nozzle 10.

Next, the washing water stored in the storage section 4 is injected from the washing nozzle 14 toward the dishes 11 in the tableware basket 16 by the washing pump 12 by the injection water supply by the mist injection water supply nozzle 10. At this time, the washing water from the washing nozzle 14 is supplied to the detergent case 19 attached to the tableware basket 16 located above.
The detergent A enters the detergent case 19 through the water inlet 21 on the lower surface and dilutes the detergent A in the detergent case 19 (hereinafter, referred to as detergent water). The detergent water diluted with the wash water is supplied to the return port 22.
The detergent water flows out of the storage tank 4 at the lower part of the washing tank 2 and the detergent water is stored in the storage part 4. That is, this detergent case 19
When water is supplied from the water supply port 3, the detergent does not flow out, and the detergent flows out by the cleaning water injected from the cleaning nozzle 14.

In this way, the detergent water containing the detergent is sprayed from the washing nozzle 14 toward the dishes 11 to clean the dishes 11 (step 2). At this time, the mist spray water supply nozzle 1
Since the spray water is sprayed and supplied by spraying the mist-like cleaning water according to 0, the attached matter (residue and the like) is spread and easily peeled. Therefore, the deposits (residues and the like) on the tableware 11 can be easily washed off with the detergent water jetted from the washing nozzle 14. When the washing is completed, the detergent water in the washing tank 2 is drained by the drain pump 18 (step 3).

When the cleaning step is completed, the rinsing step is started. Also in this rinsing step, mist-like cleaning water is injected and supplied into the cleaning tank 2 by the mist injection water supply nozzle 10 in the same manner as the water supply in the above-mentioned cleaning step (step 4). At this time, since the mist-like washing water is sprayed and sprayed on the tableware 11 while being supplied, the water supply is performed while washing away a part of the detergent water or foam attached to the tableware 11. The cleaning water stored in the storage unit 4 by the water supply is jetted from the cleaning nozzle 14 toward the tableware 11 by the cleaning pump 12 to perform rinsing (Step 5). In the rinsing in step 5, since the washing water is sprayed and supplied to the tableware 11 at the time of water supply in step 4, a part of the detergent water and foam attached to the tableware 11 is washed away. The rinsing time is short. Then, the detergent water, the washing water contaminated with the residue, the foam, and the like stored in the storage unit 4 by the drain pump 18 is drained out of the machine (step 6). This step 4 ~
The rinsing process as in Step 6 is performed a predetermined number of times (here, 2
Times) repetition (step 7 to step 9), and the rinsing step is completed (rinse step).

Next, after the final rinsing step (here, the rinsing step) is completed, the spray water is supplied from the mist water supply nozzle 10 toward the tableware 11 for a predetermined time (steps 10 and 11). This is because fine residue and oil etc. that pass through the filtration filter 7 remain attached to the tableware 15 during the rinsing step, or the filter water is injected into the filtration filter 7 by the injection water pressure of the cleaning nozzle 14 during the rinsing step. The clogged residue splatters and the dishes 15
In this case, the attached substances (residues, etc.) reattached to the tableware 15 are washed down by the injection water supply of tap water from the mist injection water supply nozzle 10.
As described above, by performing the spray water supply by the mist injection water supply nozzle 10 after the rinsing step, the cleaning effect is ensured. Then, the washing water in the storage unit 4 is drained by the drain pump 18 (Step 12), and the entire process is completed (Step 13).

The spray water supply by the mist injection water supply nozzle 10 performed after such a rinsing step is performed by performing the spray water supply by the mist injection water supply nozzle 10 for a predetermined time in steps 10 to 13 in FIG. However, as shown in steps 14 to 16 in FIG.
Spray water supply by mist spray water supply nozzle 10 and drain pump 18
May be repeated for a predetermined time, and the same effect can be obtained.

Embodiment 2 FIG. FIG. 8 is an operation process diagram showing Embodiment 2 of the present invention. That is, before the cleaning process (steps 1 to 3), spray water is supplied by the mist injection water supply nozzle 10, and the cleaning water accumulated in the water storage unit 4 is drained by the drain pump 18 (step 0).
The cleaning step (steps 1 to 13) and subsequent steps as described in the first embodiment are performed. This is because the tableware 1 before the washing process is started by the mist injection water supply nozzle 10.
By spraying and supplying the washing water to 1 and spraying water, it plays a role of removing a part of the deposits (residues, etc.) and spreading the deposits (residues, etc.) so that the subsequent cleaning process can be performed efficiently. It does not require any special process such as conventional pre-washing, and does not use a washing pump 12 so that tableware 11
Since the water can be sprayed while spraying and supplying the cleaning water, the cleaning efficiency can be improved with a simple configuration and without using electric power. Further, since the cleaning pump 12 is not used, there is no noise.

Embodiment 3 FIG. In the first embodiment, the number of the injection ports 25 of the mist injection water supply nozzle 10 is two.
A single or two or more such as shown in FIG. 9 or FIG. 10 and FIG. 11 may be provided. Further, a structure in which the main body of the mist injection water supply nozzle 10 is rotatably rotated by reaction force of mist injection at the time of water supply by tap water pressure In this case, the washing operation allows the washing water sprayed and supplied from the injection port 25 to further spread throughout the washing tank 2, and the washing water is evenly sprayed on the tableware 11 without using electric power such as the washing pump 12. be able to. In addition, the installation position of the mist injection water supply nozzle 10 is as follows.
As shown in FIG. 12, instead of being attached to the side wall surface of the cleaning tank 2, it may be attached to the top surface of the cleaning tank 2, and the same effect can be obtained.

The washing water supplied from the water supply port 3 is as follows:
As shown in FIG. 12, a heater 28 is provided at the bottom of the cleaning tank 2 and hot water is jetted from the cleaning nozzle 14 to supply hot water from the hot water heater or the like.
As shown in the operation process diagram, a heating and rinsing may be performed (Steps 30 to 32), or a drying process (Step 35) may be provided at the end of all the processes. Steps 21 to 30, and steps 33 to 34 in FIG. 13 correspond to steps 1 to 9, FIG.
This is the same operation as step 16.

[0025]

Since the present invention is configured as described above, it has the following effects.

A washing tank for storing and washing dishes, a water supply valve communicating with a water supply port provided above or on a side wall of the washing tank to control water supply to the washing tank, and an operation of the water supply valve; Control means for controlling the water supply nozzle for directly diffusing and supplying the washing water into the washing tank is directly connected to the water supply port, and the water supply valve and the faucet of the house are connected by a water supply hose,
Diffusion water supply to tableware can be performed without taking up space, and a compact and high-efficiency dishwasher can be obtained.

The water supply nozzle has a structure in which when the water supply valve is opened by the control means, diffusion water supply is performed by tap water pressure.
Because diffusion water supply can be performed by tap water pressure,
By this diffusion water supply, it is possible to improve the washing efficiency of dishes and to obtain an energy-saving and low-noise dishwasher.

A washing tank for storing and washing tableware, a water supply valve communicating with a water supply port provided on a side wall or an upper wall of the washing tank, and controlling water supply to the washing tank; A washing nozzle connected to a washing pump for washing the dishes by injecting water into the washing tank; and control means for controlling the water supply valve and the washing pump, and the washing water is diffused into the washing tank. In a dishwasher in which a water supply nozzle to be supplied with water is directly connected to the water supply port and the water supply valve and a faucet of a house are connected by a water supply hose, the control means may include both a washing step and a rinsing step or any one of the steps. The water supply valve is opened at the time of water supply in the above, so that diffusion water supply is performed by the water supply nozzle. Therefore, the dirt (e.g., residue) of the tableware is spread by the diffusion water supply, and then the tableware is washed or rinsed. Kiyoshi effect can be increased, it can be shortened cleaning time.

A washing tank for storing and washing tableware, a water supply valve communicating with a water supply port provided on a side wall or an upper wall of the washing tank, and controlling water supply to the washing tank; A washing nozzle connected to a washing pump for washing the dishes by injecting water into the washing tank; and control means for controlling the water supply valve and the washing pump, and the washing water is diffused into the washing tank. In a dishwasher in which a water supply nozzle for supplying water is directly connected to the water supply port and the water supply valve and a faucet of a house are connected by a water supply hose, the control means opens the water supply valve after the rinsing step, and By performing the diffusion water supply by the water supply nozzle, it is possible to wash off residues and the like re-adhered to the tableware during the rinsing step by the diffusion water supply to the tableware after the rinsing step, so that the cleaning time can be reduced, And tableware It can be obtained good dishwasher of ear rising state.

A washing tank for storing and washing tableware,
It communicates with a water supply port provided on the side wall or upper wall of this washing tank,
A water supply valve for controlling water supply to the washing tank, a washing nozzle connected to a washing pump for injecting washing water in the washing tank into the washing tank to wash the dishes, and washing in the washing tank A drain pump for draining water out of the machine, and control means for controlling the water supply valve, the cleaning pump, and the drain pump are provided, and a water supply nozzle for diffusing and supplying cleaning water into the cleaning tank is directly connected to the water supply port. In a dishwasher in which the water supply valve and a faucet of a house are connected by a water supply hose, the control unit opens the water supply valve immediately before both or both of the washing step and the rinsing step. By performing the diffusion water supply by the water supply nozzle and then draining the washing water by the drain pump, the respective steps are started, so that the diffusion water supply spreads dirt (residues and the like) of tableware. Or Part of the dishes (residues, etc.) can be washed away, and the washing process and the rinsing process are started after draining the washing water, so that the washing effect or the washing effect of the rinsing can be improved, and the washing time can be increased. Can be shortened.

A washing nozzle connected to a washing pump for washing the dishes by injecting washing water in the washing tank into the washing tank; and a detergent container case to be put into the washing nozzle. Disposed on the bottom of the washing tank, the detergent case, a main body having a detergent storage portion, an openable and closable upper lid provided on the upper surface of the main body, and a water introduction hole formed in the lower surface of the main body and communicating with the storage portion. , And a return port communicating with the storage section, and positioned below the water supply nozzle and above the cleaning nozzle, the detergent does not flow out with the cleaning water from the water supply nozzle, and the cleaning from the cleaning nozzle. Since the detergent is made to flow out by water, even if the washing water is drained after the water supply in the washing process, it is possible to prevent the detergent from being discharged outside the machine, and to obtain a user-friendly dishwasher. It is possible .

[Brief description of the drawings]

FIG. 1 is a sectional view of a dishwasher according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a main part of the dishwasher according to the first embodiment of the present invention.

FIG. 3 is a cross-sectional view of a main part of the dishwasher according to the first embodiment of the present invention.

FIG. 4 is a sectional view of a main part of the dishwasher according to the first embodiment of the present invention.

FIG. 5 is a front view of a main part of the dishwasher according to the first embodiment of the present invention.

FIG. 6 is an operation process diagram of the dishwasher according to the first embodiment of the present invention.

FIG. 7 is an operation process diagram of the dishwasher according to the first embodiment of the present invention.

FIG. 8 is an operation process diagram of the dishwasher according to the second embodiment of the present invention.

FIG. 9 is a sectional view of a main part of a dishwasher according to a third embodiment of the present invention.

FIG. 10 is a perspective view of a main part of a dishwasher according to a third embodiment of the present invention.

FIG. 11 is a perspective view of a main part of a dishwasher according to a third embodiment of the present invention.

FIG. 12 is a sectional view of a dishwasher according to a third embodiment of the present invention.

FIG. 13 is an operation process diagram of the dishwasher showing Embodiment 3 of the present invention.

FIG. 14 is a sectional view showing a conventional dishwasher.

FIG. 15 is an operation process diagram showing a conventional dishwasher.

[Explanation of symbols]

1 dishwasher main body, 2 washing tank, 3 water supply port, 4 storage section, 5 water supply port, 6 drainage port, 7 residue filter, 8
Water supply hose, 9 water supply valve, 10 mist injection water supply nozzle,
11 tableware, 12 washing pump, 13 water pipe, 14
Cleaning nozzle, 15 injection port, 16 tableware basket, 17
Drainpipe, 18 drainage pump, 19 detergent case, 20
Detergent storage unit, 21 Detergent case body, 22 Top lid, 23
Water introduction port, 24 return port, 25 injection port, 26 hole,
27 Introductory tube.

 ────────────────────────────────────────────────── ─── Continued from the front page (72) Inventor Katsuhiko Ishii 1728-1 Komaeda, Hanazono-cho, Osato-gun, Saitama F-term in Mitsubishi Electric Home Equipment Co., Ltd. 3B082 BD01 DC01 DC02

Claims (6)

[Claims] 1. A washing tank for storing and washing dishes and communicating with a water supply port provided above or on a side wall of the washing tank.
A water supply valve for controlling water supply to the cleaning tank, and control means for controlling the operation of the water supply valve; a water supply nozzle for diffusing and supplying cleaning water into the cleaning tank is directly connected to the water supply port;
A dishwasher, wherein the water supply valve and a faucet of a house are connected by a water supply hose. 2. The dishwasher according to claim 1, wherein the water supply nozzle is configured to perform diffusion water supply by tap water pressure when the water supply valve is opened by the control means. 3. A washing tank for storing and washing tableware, a water supply valve communicating with a water supply port provided on a side wall or an upper wall of the washing tank, and controlling water supply to the washing tank. A washing nozzle connected to a washing pump for washing the dishes by injecting the washing water into the washing tank; and control means for controlling the water supply valve and the washing pump, and the washing water in the washing tank. A water supply nozzle for diffusing water supply is directly connected to the water supply port,
In a dishwasher in which the water supply valve and a faucet of a house are connected by a water supply hose, the control means opens the water supply valve at the time of water supply in both or one of a washing step and a rinsing step, and A washing method for a dishwasher, wherein diffusion water is supplied by a nozzle. 4. A washing tank for storing and washing tableware, a water supply valve communicating with a water supply port provided on a side wall or an upper wall of the washing tank, and controlling water supply to the washing tank. A washing nozzle connected to a washing pump for washing the dishes by injecting the washing water into the washing tank; and control means for controlling the water supply valve and the washing pump, and the washing water in the washing tank. A water supply nozzle for diffusing water supply is directly connected to the water supply port,
In the dishwasher in which the water supply valve and the faucet of the house are connected by a water supply hose, the control unit may be configured such that after the rinsing step,
A method for cleaning a dishwasher, wherein the water supply valve is opened and diffusion water is supplied by the water supply nozzle. 5. A washing tank for storing and washing tableware, a water supply valve communicating with a water supply port provided on a side wall or an upper wall of the washing tank, and controlling water supply to the washing tank. A washing nozzle connected to a washing pump for washing the dishes by injecting washing water into the washing tank, a drain pump for draining washing water in the washing tank to outside the machine, the water supply valve and the washing pump And a control means for controlling the drainage pump, a water supply nozzle for diffusing and supplying cleaning water into the cleaning tank, the water supply nozzle is directly connected to the water supply port, and the water supply valve and a faucet of a house are connected by a water supply hose. In the washing machine, the control unit opens the water supply valve and performs diffusion water supply by the water supply nozzle immediately before both or either of the cleaning step and the rinsing step, and then performs cleaning water by the drainage pump. Before draining A method for cleaning a dishwasher, wherein each step is started. 6. A cleaning nozzle provided with a cleaning nozzle connected to a cleaning pump for cleaning the dishes by injecting cleaning water in the cleaning tank into the cleaning tank, and a detergent container case to be charged therein. Disposed on the bottom of the washing tank, the detergent case, a main body having a detergent storage portion, an openable and closable upper lid provided on the upper surface of the main body, and a water introduction hole formed in the lower surface of the main body and communicating with the storage portion. 2. The dishwasher according to claim 1, wherein the dishwasher comprises a return port communicating with the storage portion, and is located below the water supply nozzle and above the washing nozzle.