JP2000325287A - Tableware washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently execute washing by injecting the washing water meeting the kinds of tableware by washing nozzles which are arranged according to the kinds of the tableware, such as dishes and bowls, and are set with effective injection directions in a tableware washing machine which execute washing of the tableware. SOLUTION: A tableware cage 20 to be arranged with the tableware 19 is installed in a washing tank 18 for washing the tableware 19 and the plural washing nozzles 21 and 22 which rotate while injecting the washing water are disposed in the washing tank 18. The shaft parts 23 and 26 of the washing nozzles 21 and 22 are respectively pivotally supported in pivotal supporting parts 24 and 27 disposed in the washing tank 18. The washing nozzles 21 and 22 vary in the form of injection and the shaft parts 23 and 26 are so constituted as to be mountable only in the prescribed pivotal supporting parts 24 and 27.

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.

[0002]

2. Description of the Related Art Conventionally, this type of dishwasher has been configured as shown in FIGS. Hereinafter, the configuration will be described.

[0003] As shown in Figs. 3 and 4, the dishwasher body 1 has a long width and a short depth, and the bottom surface is formed in a rectangular shape to facilitate installation in a kitchen. In addition, the shape of the bottom surface may be a rectangle having a short width and a long depth. A washing tank 2 having a rectangular inner bottom surface is provided inside the dishwasher body 1,
Two cleaning nozzles 3 are rotatably provided at the inner bottom of the cleaning tank 2.

[0004] Water or hot water is supplied into the washing tank 2 by a water supply valve 4. At the time of driving, the cleaning water is attached to a pump chamber communicating with the other side of the drain hole 5 and is driven by the cleaning pump 7 driven by the motor 5.
Circulates inside the cleaning tank 2. That is, this circulation is performed by washing water being sucked into the washing pump 7 from the drain hole 5, supplied to the washing nozzle 3 from the washing pump 7, sprayed from the washing nozzle 3, washing the dishes, and then returning to the drain hole 5. It is done along the path of returning.

In this case, since the cleaning nozzle 3 rotates,
The length of the cleaning nozzle 73 is determined by the shorter dimension (in this case, the front-back direction) of the cleaning tank 2 having a rectangular inner bottom surface. Therefore, in order to wash every corner inside the washing tank 2 having a rectangular inner bottom surface, a plurality of washing nozzles 3 (here, two washing nozzles) are provided for a long width.

[0006] A heater 8 for heating cleaning water is provided between the cleaning nozzle 3 and the bottom of the cleaning tank 2. Further, the tableware 9 can be arranged neatly above the washing nozzle 3, and the tableware basket 1 configured so that the washing water is effectively sprayed on the tableware.
0 is set.

A door 11 which can be opened and closed is attached to the front of the cleaning tank 2. A plurality of moving rollers are arranged in the dish basket 10, and the upper part of the open door 11 can be pulled out to the front outside of the dishwasher main body 1. Also,
The drainage pump 12 discharges washing water to the outside through the drainage hose 13.

Here, the structure of the cleaning nozzle 3 will be described. As shown in FIG. 5, the cleaning nozzle 3 is provided with a shaft portion 14 for guiding cleaning water into the cleaning nozzle 3 at the rotation center thereof, and a cleaning tank. 2, a shaft support 15 for supporting the shaft 14 of the cleaning nozzle 3 is provided. The shaft 14 of the cleaning nozzle 3 is inserted into the shaft support 15 to rotatably support the cleaning nozzle 3. I have. Further, a claw portion 16 is provided near the shaft portion 14 of the cleaning nozzle 3 so that the claw portion 16 is not easily detached from the shaft support portion 15.

Further, the washing nozzle 3 is supplied with washing water from a washing pump 7 and sprays the washing water to wash the dishes 9. Further, the washing nozzle 3 is rotated around the shaft support 15 by injecting the washing water and the injection reaction force.

[0010]

In such a conventional configuration, when the tableware 9 is arranged inside the washing tank 2 having a rectangular inner bottom surface, it is more efficient to arrange tableware having a similar shape. Therefore, in order to perform the efficient arrangement, the dishes and the bowls are arranged to be offset.

On the other hand, the washing water sprayed from the two washing nozzles 3 is sprayed in substantially the same direction regardless of the type of the tableware 9 arranged, and the washing water is efficiently cleaned according to the type of the tableware 9. Had the problem of not being able to.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, and provides a cleaning nozzle having a spraying mode in which an effective spraying direction is set for an arrangement corresponding to the type of tableware such as dishes and bowls. It is an object of the present invention to spray washing water according to the type of tableware so that washing can be performed efficiently.

[0013]

In order to achieve the above object, according to the present invention, a dish basket for placing dishes in a washing tank for washing dishes is installed, and the dish is rotated while spraying washing water into the washing tank. A plurality of cleaning nozzles are provided, and a shaft portion of the cleaning nozzle is configured to be supported by a shaft support provided in the cleaning tank. The plurality of cleaning nozzles have different spray forms, and the shaft portion has a predetermined shaft. It is configured so that it can be attached only to the branch.

[0014] With this arrangement, it is possible to dispose a cleaning nozzle having an ejection mode in which an effective ejection direction is set for an arrangement corresponding to the type of tableware such as dishes and bowls. Cleaning water can be sprayed, and cleaning can be performed efficiently.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a washing tank for washing dishes, a tableware in which the dishes are placed in the washing tank and the dishes are arranged, and the washing tank is arranged in the washing tank. A plurality of cleaning nozzles that rotate while spraying cleaning water, and a shaft support provided in the cleaning tank and supporting the shaft of the cleaning nozzle respectively, the plurality of cleaning nozzles have different spraying modes, and The shaft portion is configured to be attached only to a predetermined shaft support portion, and a cleaning nozzle of a spray mode in which an effective spray direction is set is arranged for an arrangement according to the type of tableware such as dishes and bowls. The washing water can be sprayed according to the type of tableware, and can be washed efficiently.

According to a second aspect of the present invention, in the first aspect of the present invention, the plurality of cleaning nozzles have different outer diameters of the shaft portions and form a predetermined jetting form. In some cases, a plurality of cleaning nozzles are arranged in reverse at the production stage or at the time of use by the user, thereby preventing a problem in cleaning.

[0017]

An embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, a dishwasher main body 17 is provided.
Is provided with a washing tank 18 inside, and this washing tank 18 is formed in a rectangular shape having a long inner bottom surface and a short depth, and a tableware basket 20 in which tableware 19 is arranged. Tableware basket 20
Is arranged such that the bowls 19a are arranged on the left side and the dishes 19b are arranged on the right side.

In the cleaning tank 17, two cleaning nozzles 21, 2
2 are arranged side by side so as to be freely rotatable, and the washing nozzle 21 on the left side is set to an ejection form mainly composed of spray water inclined so as to be suitable for washing the bowls 19a.
Numeral 2 is set to an injection form mainly composed of upward injection water so as to be suitable for washing the dishes 19b.

As shown in FIG. 2, the cleaning nozzle 21 is provided with a shaft 23 for guiding cleaning water into the cleaning nozzle 21 at the center of rotation, and a shaft 23 for the cleaning nozzle 21 at the bottom of the cleaning tank 18. A shaft support portion 24 is provided to support the cleaning nozzle 21 so that the cleaning nozzle 21 is rotatably supported by inserting the shaft portion 23 of the cleaning nozzle 21 into the shaft support portion 24. Also, a claw 25 is provided near the shaft 23 of the cleaning nozzle 21 so that the cleaning nozzle 21 does not easily come off the shaft support 24.

The washing nozzle 22 is provided with a shaft portion 26 for guiding washing water into the washing nozzle 22 at the center of rotation, and is provided at the bottom of the washing tank 18 so as to be wrapped around the shaft portion 26 of the washing nozzle 22. A shaft support 27 that supports the cleaning nozzle 22 is disposed, and the shaft 26 of the cleaning nozzle 22 is inserted into the shaft support 27 to rotatably support the cleaning nozzle 22. A claw 28 is provided near the shaft 26 of the cleaning nozzle 22 so that the cleaning nozzle 22 does not easily come off the shaft support 27.

Here, the outer diameter of the shaft portion 26 of the cleaning nozzle 22 is set to a dimension that cannot be inserted into the inner diameter of the shaft support portion 24 corresponding to the cleaning nozzle 21. Further, the outer diameter of the shaft portion 23 of the cleaning nozzle 21 is set to be small, and the claw portion 25 disposed in the vicinity of the shaft portion abuts on the shaft support portion 27 corresponding to the cleaning nozzle 22 and is set to a dimension that cannot be inserted. I have.

The operation of the above configuration will be described. The bowls 19a are arranged on the left side of the tableware basket 20, and the dishes 19b are arranged on the right side.
When the operation is started, the cleaning water is supplied to the cleaning nozzles 21 and 22 by the cleaning pump driven by the motor.
And the washing nozzles 21 and 22 rotate while spraying the washing water to wash the tableware 19.

At this time, as shown by the arrow in FIG. 1, the washing nozzle 21 injects washing water at an angle so as to be suitable for washing the bowls 19a, and can efficiently wash the bowls 19a. Further, the washing nozzle 22 jets the washing water upward so as to be suitable for washing the dishes 19b, and can efficiently wash the dishes 19b.

As described above, the two cleaning nozzles 21 and 22 have mutually different spraying modes, and cover respective cleaning portions in the cleaning tank 18. Therefore, the cleaning nozzle 2
Naturally, the dishes 1 and 22 cannot be sufficiently washed if the dishes 19 are arranged in reverse.

For this reason, the cleaning nozzles 21 and 22 are in their normal positions both in the production process and when used by the user (for example, when the cleaning nozzles 21 and 22 are removed for cleaning and then mounted again). Must be attached to

In the present invention, the outer diameter of the shaft portion 26 of the cleaning nozzle 22 is set to a dimension that cannot be inserted with respect to the inner diameter of the shaft support portion 24 corresponding to the cleaning nozzle 21. Since the outer diameter of the nozzle 23 is set to be small and the claw portion 25 arranged in the vicinity thereof is set to a dimension that cannot be inserted by contacting the shaft support portion 27 corresponding to the cleaning nozzle 22, the cleaning nozzles 21 and 22 are set. When setting, the user can be fully aware of the case where the user attempts to insert the table by mistake, and can surely set the table at a predetermined position corresponding to the tableware to be washed.

[0028]

As described above, according to the first aspect of the present invention, a washing tub for washing dishes, a tableware set in the washing tub and the dishes arranged therein, and the inside of the washing tub. A plurality of cleaning nozzles arranged and rotated while spraying cleaning water, and a shaft support provided in the cleaning tank and supporting the shaft of the cleaning nozzle respectively, the plurality of cleaning nozzles,
Since the injection mode is different, and the shaft is configured to be attached only to the predetermined shaft support, for the arrangement according to the type of tableware such as dishes, bowls, etc., the injection mode in which the effective injection direction is set A washing nozzle can be provided, and washing water according to the type of tableware can be jetted, so that washing can be performed efficiently.

According to the second aspect of the present invention, since the plurality of cleaning nozzles have different outer diameters of the shaft portions and are configured to form a predetermined jetting form, the plurality of cleaning nozzles can be used at the production stage or by the user. At this time, a plurality of cleaning nozzles are erroneously arranged, and it is possible to prevent a problem in cleaning.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view of a dishwasher according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a main part of the dishwasher.

FIG. 3 is a perspective view of a conventional dishwasher with a door opened.

FIG. 4 is a longitudinal sectional view of the dishwasher.

FIG. 5 is an enlarged sectional view of a main part of the dishwasher.

[Explanation of symbols]

 Reference Signs List 18 Washing tank 19 Tableware 20 Tableware basket 21 Washing nozzle 22 Washing nozzle 23 Shaft 24 Shaft 26 Shaft 27 Shaft

Continued on the front page (72) Inventor Kiyoyasu Shinkai 1006 Kazuma Kadoma, Kadoma-shi, Osaka Matsushita Electric Industrial Co., Ltd. F-term (reference) 3B082 BL02 BL05

Claims (2)

[Claims] 1. A washing tank for washing dishes, a tableware in which the dishes are placed in the washing tank, and a plurality of washing nozzles arranged in the washing tank and rotated while spraying washing water, A shaft support provided in the cleaning tank and supporting the shaft of the cleaning nozzle, wherein the plurality of cleaning nozzles are
A dishwasher having a different spraying mode and configured so that a shaft portion can be mounted only on a predetermined shaft support portion. 2. The dishwasher according to claim 1, wherein each of the plurality of washing nozzles has a different outer diameter of a shaft portion and is configured to form a predetermined jetting form.