JP2001046306A - Tableware washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To assure the closability between a washing tank and a lid part and to prevent the leakage of washing water and steam by providing a tableware washing machine with the lid part disposed movably in a vertical direction relative to an outer box and a gasket mounted on the lower side of the lid part and providing the inner side of the gasket with a downwardly projecting waterproof wall on the lid part. SOLUTION: The washing tank 14 is provided with rails 15 on both right and left outside surface and rails 16 engaged with these rails 15 are fixed to the inside surface of the outer box 1 and are made movable relative to the outer box 1. The lid part 18 is mounted via four links 17 to the upper side of the outer box 1 and the gasket 19 is mounted at the lower side of the lid part 18. At this time, the lower side of the lid part 18 is provided with the waterproof wall 25 projecting downward along the inner peripheral surface of the gasket 19. When a washing nozzle 8 rotates while injecting washing water, this washing water flows along the under surface of the lid part 18 and the inside wall of the washing tank 14 to the closing surface of the washing tank 14 and the lid part 18 and at this time, the waterproof wall 25 changes the direction of its flow, thus preventing the washing water from arriving at the gasket 19.

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 from a washing nozzle toward the dishes.

[0002]

2. Description of the Related Art In recent years, a dishwasher for washing dishes stored in a dish basket with washing water sprayed from a washing nozzle rotating in a washing tank has become mainstream.

Conventionally, this type of dishwasher has been configured as shown in FIG. Hereinafter, the configuration will be described.

[0004] As shown in FIG. 4, the outer box 1 has an opening at the front and supports a washing tank 3 via a rail 2 so as to be operable in the front-rear direction. Door 4 in front of washing tank 3
Is attached, and opens and closes the opening of the outer box 1. The cleaning tank 3 has an opening 5 above, a packing 6 provided on the outer periphery of the opening 5, and a pressurizing pump 7 for sending air to the packing 6 by pressure.

In the washing tank 3, a washing nozzle 8 for spraying washing water is rotatably provided, and a dish basket 10 for accommodating a dish 9 is arranged. Wash water in the washing tank 3 is heated by a heater 11, sucked from a drain port 13 by a washing pump 12, and fed to a washing nozzle 8 by pressure. The tableware 9 stored in the tableware basket 10 is configured to be washed with washing water that is vigorously jetted from the washing nozzle 8.

[0006]

In such a conventional dishwasher, the washing tub 3 is pulled out forward, and the
Is set in the tableware basket 10, the washing tank 3 is pushed into the outer box 1, and the front opening of the outer box 1 is closed by the door 4.
Next, when the operation is started, air is pressure-fed from the pressure pump 7 to the packing 6, the packing 6 expands, and
To close the opening 5 of the washing tank 3 to prevent leakage of washing water and steam during operation. After the operation is completed, the pressurizing pump 7 stops, the air in the packing 6 escapes,
The washing tank 3 can be pulled out.

In the case of this configuration, the packing 6 is required to have elasticity and durability for responding to expansion and contraction and airtightness for preventing air from leaking. Further, a pressurizing pump 7, a control means for controlling the pressurizing pump 7, and a mechanical means for feeding air to the packing 6 are required, which results in a complicated and expensive structure. Further, since the packing 6 is mounted on the upper part of the cleaning tank 3, dirt easily accumulates around the packing 6, and the maintenance property is poor.

The present invention solves the above-mentioned problem, and secures the obstruction between the washing tank and the lid by closing the door, prevents the washing water and steam from leaking, and improves the maintainability. A first object is to provide a dishwasher that is easy to use and highly reliable.

It is another object of the present invention to provide a dishwasher which is easy to use and has high reliability, while preventing the obstruction between the washing tank and the lid from being lost due to the entry of large tableware and preventing the tableware from being damaged. This is the second purpose.

[0010]

According to the present invention, in order to attain the first object, a washing tank having an upper opening is supported on an outer box so as to be movable in the front-rear direction, and a lid is attached to the outer box. Is mounted so as to be movable at least in the vertical direction, and a packing is mounted below the lid, and the lid is provided with a waterproof wall protruding downward inside the packing.

[0011] Thus, the closing operation of the door can secure the obstruction between the cleaning tank and the lid, preventing the leakage of cleaning water and steam, improving the maintainability, and improving the usability and reliability. A highly efficient dishwasher can be provided.

In order to achieve the second object,
A washing tank having an opening at the top is movably supported on the outer box in the front-rear direction, and the lid is supported on the outer box movably at least in the vertical direction, and the lid protrudes downward at the front lower side. The tableware control wall was provided.

[0013] Thus, it is possible to prevent the loss of obstruction between the washing tank and the lid due to the entry of large tableware, and to prevent the tableware from being damaged. Can be provided.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a cleaning tank having an upper opening, an outer box for supporting the cleaning tank so as to be movable in the front-rear direction, and at least A lid part movably supported in the vertical direction, and a packing mounted below the lid part, wherein the lid part has a waterproof wall protruding downward inside the packing, and a door. Closing operation between the cleaning tank and the lid can be ensured by the closing operation, preventing the leakage of cleaning water and steam, and by installing the packing under the lid, the maintainability is improved. By providing a waterproof wall protruding downward along the inner peripheral surface of the packing below the lid, washing water is prevented from directly reaching the packing along the side wall of the cleaning tank and the lower surface of the lid. Is easy to use It is possible to provide a reliable dishwasher.

According to a second aspect of the present invention, there is provided a cleaning tank having an opening at an upper portion, an outer box for supporting the cleaning tank so as to be movable in the front-rear direction, and a support for being at least vertically movable on the outer box. The lid is provided with a tableware regulating wall protruding downward at the front lower side, and the closing operation of the door can secure the obstruction between the washing tank and the lid. The washing water and steam can be prevented from leaking, and when the dishes set in the washing tank are larger than a predetermined size, the dishes come into contact with the dish control wall when the washing tank is started to be inserted into the outer box, and the washing is performed. In order to stop the movement of the tub, it is possible to prevent the loss of obstruction between the washing tub and the lid due to the entry of large dishes, and to prevent damage to the ware, which is convenient and reliable. A high dishwasher can be provided.

According to a third aspect of the present invention, the waterproof wall according to the first aspect and the tableware regulating wall according to the second aspect are integrally formed, and a packing is provided below the lid. As a result, the maintenance water is improved, and the washing water directly reaches the packing by integrally configuring the waterproof wall and the tableware regulating wall that protrude downward along the inner peripheral surface of the packing below the lid. It is possible to prevent loss of obstruction between the washing tank and the lid and damage to the tableware due to the large tableware entering, so that it is easy to use with a simple and inexpensive configuration, A highly reliable dishwasher can be provided.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. The same components as those in the conventional example are denoted by the same reference numerals, and description thereof is omitted.

(Embodiment 1) As shown in FIG.
4 is provided with a first rail 15 on both left and right outer surfaces thereof, and a second rail 16 engaged with the first rail 15 is attached to the outer box 1.
The cleaning tank 14 is movable in the front-rear direction with respect to the outer box 1. A cover 18 is attached to the upper part of the outer box 1 via four links 17. A packing 19 is mounted below the lid 18.

One link 17 is provided in each of the front, rear, left and right, and a hole 20 on the rotation center shaft side is slidably engaged with a shaft provided on the outer case 1. It is slidably engaged with a shaft provided on the lid 18. The lid 18 is connected to the outer box 1 by an elastic body 22 and is urged upward and forward.

The cleaning tank 14 has a pressing portion 23 at the rear center, and the pressing portion 23 is in a positional relationship capable of abutting on a protruding portion 24 provided on the lower side behind the lid 18. The left side of the drawing is the front and the right side is the back. As shown in FIG. 2, a waterproof wall 25 protruding downward along the inner circumference of the packing 19 is provided below the lid 18.

The operation of the above configuration will be described. When the cleaning tank 14 is accommodated in the outer box 1, the cleaning tank 14 moves rearward, and the pressing portion 23 comes into contact with the projecting portion 24, and the pressing portion 23 By pushing the protruding part 24 backward, the lid part 18 is pushed backward. At this time, the link 17 rotates, and the lid 18 moves on the rotation locus of the link 17, and thus moves downward while moving backward.

When the cleaning tank 14 is further moved backward, the lid 18 is lowered to the height of the opening 26 of the cleaning tank 14, and at the same time when the storage of the cleaning tank 14 is completed, the lid 18 is moved via the packing 19 to the cleaning tank. 14 are closed. When the cleaning tank 14 is pulled out of the outer box 1, the lid 18 is lifted upward by the elastic body 22, and also moves forward by the rotation of the link 17.

Next, when the washing nozzle 8 rotates while spraying the washing water after the start of the operation, the washing water is supplied to the lid 18.
The cleaning tank 14 and the lid 1 along the lower surface of the
8 flows in the direction of the arrow toward the closed surface. At this time,
The waterproof wall 25 changes the direction of the flow, and the washing water is supplied to the washing tank 1.
4 and the closing surface of the lid 18, that is, the packing 19 is prevented from reaching.

Therefore, by providing the packing 19 below the lid 18, maintenance is improved, and the waterproof wall 25 protruding downward along the inner peripheral surface of the packing 19 below the lid 18. By providing
Since the washing water can be prevented from directly reaching the packing 19, it is possible to provide a dishwasher that is easy to use and highly reliable.

(Embodiment 2) As shown in FIG.
a is provided with a waterproof wall 25a projecting downward along the inner periphery of the packing 19a on the lower side thereof, and a tableware regulating wall 27 having a large downward projecting dimension is integrally formed on the front side thereof. ing. The height h1 of the lower end of the tableware regulating wall 27 when the lid 18 is located at the uppermost position is set to be equal to or less than the height h2 of the lower surface of the lid 18 when the lid 18 is located at the lowermost position. are doing. Other configurations are the same as those in the first embodiment.

The operation of the above construction will be described. When the washing tank 14 is housed in the outer box 1 and the uppermost position of the tableware 9 set in the washing tank 14 is higher than a predetermined height h,
The tableware 9 comes into contact with the tableware control wall 27, and the washing tank 14
Cannot be accommodated inside. Therefore, since the tableware 9 cannot be operated with the tableware 9 larger than a predetermined set, the lid 18 can be surely lowered to a predetermined position, and the obstruction with the washing tank 14 can be ensured. Can prevent damage.

The tableware restricting wall 27 is a waterproof wall 25a.
The cleaning water is formed integrally with the packing 19a.
Therefore, it is possible to provide a dishwasher that is simple and inexpensive, easy to use, and highly reliable.

In this embodiment, the tableware control wall 27 is formed integrally with the front side of the waterproof wall 25a. However, the tableware control wall 27 may be provided separately from the waterproof wall 25a. , The tableware 9 larger than a predetermined size cannot be operated while being set, and the lid 18a and the washing tank 1
4 can be secured, and the tableware 9
Can prevent damage.

[0029]

As described above, according to the first aspect of the present invention, a cleaning tank having an upper opening, an outer box that supports the cleaning tank so as to be movable in the front-rear direction, and A lid portion movably supported in the outer box at least in the vertical direction, and a packing attached to the lower side of the lid portion, the lid portion provided with a waterproof wall protruding downward inside the packing, By closing the door, it is possible to secure the obstruction between the washing tank and the lid, prevent the washing water and steam from leaking, improve the maintainability, and wash the washing water on the side wall and lid of the washing tank. Because it can be prevented from directly reaching the packing along the lower surface, it is easy to use,
A highly reliable dishwasher can be provided.

According to the second aspect of the present invention, a cleaning tank having an upper opening, an outer box supporting the cleaning tank so as to be movable in the front-rear direction, and being movable at least vertically in the outer box. Since the lid is provided with a tableware regulating wall protruding downward at the front lower side, it is possible to secure the obstruction between the washing tank and the lid by closing the door, It is possible to prevent washing water and steam from leaking, and to prevent the loss of obstruction between the washing tank and the lid by entering large dishes, and also to prevent the tableware from being damaged. A highly reliable dishwasher can be provided.

According to the invention described in claim 3, according to claim 1
And the tableware regulating wall according to claim 2 are integrally formed, so that the washing water can be prevented from directly reaching the packing, and the washing tank and the lid due to the large tableware entering can be prevented. Since it is possible to prevent loss of obstruction to the part and damage to tableware, it is possible to provide a dishwasher with a simple and inexpensive configuration that is easy to use and highly reliable.

[Brief description of the drawings]

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

FIG. 2 is an enlarged sectional view of a main part of the dishwasher.

FIG. 3 is a longitudinal sectional view of a dishwasher according to a second embodiment of the present invention in a state where a washing tank is drawn out.

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

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer box 14 Cleaning tank 18 Lid 19 Packing 25 Waterproof wall 26 Opening

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Kyosuke Kimura 1006 Kazuma Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. F term (reference) 3B082 BB02

Claims (3)

[Claims] 1. A cleaning tank having an upper opening, an outer box movably supporting the cleaning tank in the front-rear direction, a lid supported at least vertically in the outer box, and a lid A dishwasher provided with a packing attached to a lower side of the packing, wherein the lid is provided with a waterproof wall protruding downward inside the packing. 2. A cleaning tank having an upper opening, an outer box movably supporting the cleaning tank in a front-rear direction, and a lid supported on the outer box movably at least in a vertical direction, A dishwasher in which the lid is provided with a dish control wall protruding downward at a lower front side. 3. A dishwasher in which the waterproof wall according to claim 1 and the dish control wall according to claim 2 are integrally formed.