JP3417353B2 - dishwasher - Google Patents

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 spraying washing water from the washing nozzle onto the dishes.

[0002]

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

Conventionally, this type of dishwasher has been constructed as shown in FIG. The configuration will be described below.

As shown in FIG. 4, the outer box 1 has an opening at the front and supports a cleaning tank 3 via a rail 2 so as to be movable in the front-rear direction. A door 4 is provided in front of the cleaning tank 3.
Is attached to open and close the opening of the outer box 1. The cleaning tank 3 has an opening 5 on the upper side, a packing 6 is provided on the outer periphery of the opening 5, and a pressure pump 7 for sending air under pressure to the packing 6.

In the cleaning tank 3, a cleaning nozzle 8 for injecting cleaning water is rotatably provided, and a tableware basket 10 for storing a tableware 9 is arranged. The cleaning water in the cleaning tank 3 is warmed by the heater 11, sucked from the drain port 13 by the cleaning pump 12, and sent under pressure to the cleaning nozzle 8. The tableware 9 stored in the tableware basket 10 is cleaned by the cleaning water vigorously sprayed from the cleaning nozzle 8.

[0006]

In such a conventional dishwasher, the washing tub 3 is pulled out to the front so that the dishes 9
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 to the packing 6 from the pressurizing pump 7, the packing 6 expands, and the outer case 1
It is pressed against the inner surface of the container to close the opening 5 of the cleaning tank 3 to prevent leakage of cleaning water and steam during operation. After the operation is completed, the pressure pump 7 is stopped, the air in the packing 6 is released,
The cleaning tank 3 can be pulled out.

In the case of this construction, the packing 6 is required to have elasticity and durability to cope with expansion and contraction and airtightness to prevent air leakage. In addition, the pressurizing pump 7, a control means for controlling the pressurizing pump 7, and a mechanical means for sending air under pressure to the packing 6 are required, resulting in a complicated and expensive structure.

Further, since the packing 6 is mounted on the upper portion of the cleaning tank 3, dirt is easily collected around the packing 6 and the maintainability is poor.

The present invention solves the above-mentioned problems, and improves the maintainability and controls the positional relationship between the cleaning tank and the lid portion in the left-right direction by the operation of closing the door so that the cleaning tank and the lid portion are separated from each other. The purpose of the present invention is to provide a dishwasher that is easy to use and has high reliability by ensuring the blockage of the water, preventing the wash water and steam from leaking.

[0010]

SUMMARY OF THE INVENTION The present invention, in order to achieve the above object, the first record in the left and right outer surfaces have a opening upward
The cleaning tank equipped with a base is fixed to the inner surface on both the left and right sides of the outer box.
The second rail engages with the first rail to support the outer box so as to be movable in the front-rear direction, and the lid is attached to the outer box.
It is supported movably in the front and rear and up and down directions via links at the top, and packing is attached to the bottom of the lid to wash it.
When the tank is housed in the outer box, guide means for regulating the lateral position between the cleaning tank and the lid is provided .
Is equipped with a first guide wall in front of the washing tank and
A second guide wall is provided in front of the part, and the first guide wall and the second guide wall
One of the guide walls is one and the other is two
Insert the into the outer box, in the state before contacting the lid,
One guide wall is located between the other guide walls,
It is configured to be adjacent to each other .

As a result, the maintainability can be improved, and the closing action between the cleaning tank and the lid can be secured while the cleaning tank regulates the positional relationship between the cleaning tank and the lid in the left-right direction. It is possible to prevent leakage of cleaning water and steam, and to provide a highly reliable dishwasher that is easy to use.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention is a cleaning tank having an opening at the top, and left and right sides of the cleaning tank.
A first rail provided on both outer surfaces and the first rail
An outer box in which the second rail is fixed to the left and right inner surfaces movably supporting the cleaning tank in the longitudinal direction of engagement, on the outer box
And a packing attached to the lower side of the lid, the lid being movably supported in the front and rear and up and down directions via a link.
And a grayed, wherein when the cleaning tank is accommodated in the outer box, the cleaning tank, before to regulate the positions of the left and right direction between the lid mutual
The washing tank and the guide means provided on the lid section are used for the washing.
The horizontal position between the tank and lid is regulated,
When the storage of the cleaning tank is completed, the lid is lowered and the packing
The opening of the cleaning tank through
The means provides a first guide wall in front of the cleaning tank.
Secondly, a second guide wall is provided in front of the lid, and the first guide wall is provided.
One of the guide wall and the second guide wall, the other one
2 pieces, insert the cleaning tank into the outer box,
In the state before contact, the one guide wall is
Located between the guide walls of the
It is configured , and by providing packing on the lower side of the lid part, the maintainability can be improved, and the closing action of the door closes the cleaning tank and the lid part while controlling the positional relationship between the cleaning tank and the lid part in the left-right direction. Since it is possible to secure the performance and prevent leakage of cleaning water and steam, it is simple and inexpensive.
Often used without permission in adult, it is possible to provide a highly reliable dishwasher.

According to a second aspect of the present invention, an opening is provided above.
A cleaning tank having the first cleaning tank, and a first cleaning tank provided on both outer surfaces of the cleaning tank.
Rail and a second rail engaging the first rail
Is fixed on both left and right inner surfaces, and the cleaning tank can be moved back and forth.
Noh to support the outer box and a link above the outer box
A lid that is supported so that it can move back and forth and up and down, and
And a packing attached to the underside of the lid,
When the cleaning tank is housed in the outer box, the cleaning tank and the lid
Installed on the cleaning tank and lid to regulate the position in the left-right direction.
By means of the scraped guide means, the cleaning tank and the lid are
The position in the left-right direction is regulated, and the storage of the cleaning tank is completed.
Then, the lid is lowered and the washing is performed through the packing.
Closing the opening of Kiyoshiso, said guide means provided with a first guide wall to the left and right ends near the front side of the washing tub, the second guide wall on the left and right ends near the front side of the lid portion Is provided, the cleaning tank is inserted into the outer box, and in a state before contacting the lid portion, one of the first guide wall and the second guide wall is located inside the other, It is configured to be adjacent to each other in a substantially horizontal direction, and the lower side of the lid part
Improves maintainability by providing packing on the
In addition , the closing action of the door allows the cleaning tank to be gradually closed in the process of being housed in the outer box, while the positional relationship in the left-right direction with the lid is gradually regulated. Since it can be prevented from leaking, it is possible to provide a dishwasher having a simple and inexpensive structure, which is more convenient to use and has high reliability.

[0014]

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

First Embodiment As shown in FIG. 1, the cleaning tank 14 is provided with first rails 15 on both left and right outer surfaces, and a second rail 16 engaging with the first rails 15 is provided on an outer box. It is fixed on both left and right inner surfaces of
The cleaning tank 14 is movable in the front-rear direction with respect to the outer box 1. A lid 18 is attached above the inside of the outer box 1 via four links 17. A packing 19 is attached to the lower side of the lid portion 18.

One link 17 is provided on each of the front, rear, left, and right sides, and a hole 20 on the rotation center axis side is slidably engaged with a shaft provided on the outer box 1, and a hole 21 on the rotation side is formed. A shaft provided on the lid 18 is slidably engaged with the shaft. 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.
The pressing portion 23 is in a positional relationship capable of abutting with the protruding portion 24 provided on the lower rear side of the lid portion 18.

Further, as shown in FIG. 2, a single first guide wall 25 is provided at the front of the cleaning tank 14 so as to project upward and have a thickness t1 on the rear side smaller than a thickness t2 on the front side. ,
Two second guide walls 26 projecting downward are provided in front of the lid portion 18, and the first guide wall 25 has a positional relationship such that the first guide wall 25 can be retracted between the two second guide walls 26. It is in. here,
With the first guide wall 25 and the second guide wall 26, the cleaning tank 14
A guide means for restricting the lateral position between the lid 18 and the lid portion 18 is configured. In addition, the left side of the drawing is the front,
The right side is the back.

The operation of the above structure will be described. When the cleaning tank 14 is housed in the outer box 1, the cleaning tank 14 moves rearward, and eventually the first guide wall 25 has two second guide walls. The first guide wall 25 and the second guide wall 26 are adjacent to each other in a substantially horizontal direction by immersing between them, and consequently regulate the mutual position of the cleaning tank 14 and the lid portion 18 in the left-right direction. be able to.

After that, the pressing portion 23 comes into contact with the protruding portion 24, and the pressing portion 23 pushes the protruding portion 24 rearward, whereby the lid portion 18 is pushed rearward. At this time, link 17
Rotates, and the lid portion 18 moves on the rotation locus of the link 17, so that the lid portion 18 moves downward while moving backward. When the cleaning tank 14 is further moved rearward, the lid 18 is lowered to the height of the opening 27 above the cleaning tank 14, and at the same time when the housing of the cleaning tank 14 is completed, the lid 18 is inserted through the packing 19 to wash the cleaning tank 14. The opening 27 is closed.

When the cleaning tank 14 is pulled out from the outer box 1, the lid 18 is lifted upward by the elastic body 22 and moved forward by the rotating action of the link 17. Therefore, by providing the packing 19 on the lower side of the lid portion 18, it is possible to improve the maintainability, and by the operation of closing the door 4, the washing tank 14 regulates the positional relationship between the washing tank 14 and the lid portion 18 in the left-right direction. Since it is possible to secure the blocking property between the tank 14 and the lid portion 18 and prevent leakage of cleaning water and steam, a simple and inexpensive structure provides a convenient and reliable dishwasher. can do.

In this embodiment, the combination of the first guide wall 25 and the second guide wall 26 is one set, but the same effect can be obtained by using a plurality of combinations.

(Embodiment 2) As shown in FIG. 3, the cleaning tank 14a is provided with first guide walls 28 projecting upward in the vicinity of both front ends thereof and projecting downward in the vicinity of both front ends of the lid portion 18a. A second guide wall 29 is provided. The inter-wall dimension of the first guide wall 28 becomes narrower toward the rear side, and the inter-wall dimension of the second guide wall 29 also becomes narrower toward the rear side.
It is located inside the guide wall 29 and is adjacent to each other in the substantially horizontal direction. The other structure is the same as that of the first embodiment. The left side of the drawing is the front and the right side is the rear.

The operation of the above structure will be described. When the cleaning tank 14a is housed in the outer case 1, the cleaning tank 14a moves rearward, and eventually the first guide wall 28 is placed between the second guide walls 29. Then, the two guide walls become adjacent to each other in a substantially horizontal direction, and while the cleaning tank 14a moves rearward, the mutual position of the cleaning tank 14a and the lid portion 18a in the horizontal direction can be gradually regulated.

Thereafter, the pressing portion 23a pushes the protruding portion 24a rearward, whereby the lid portion 18a moves downward and descends, and at the same time when the housing of the cleaning tank 14a is completed, the lid portion 18a is cleaned via the packing 19a. The opening of the tank 14a is closed.

Therefore, by providing the packing 19a on the lower side of the lid portion 18a, the maintainability is improved, and the operation of closing the door 4 causes the cleaning tank 14a to have a lateral positional relationship with the lid portion 18a. After gradually regulating the movement of the cleaning tank 14a, the lid portion 18a descends,
Since the blocking property with the cleaning tank 14a can be secured and the cleaning water and steam can be prevented from leaking, it is possible to provide a dishwasher with a simple and inexpensive structure, which is more convenient to use and has high reliability.

In the present embodiment, the first guide wall 28 is located inside the second guide wall 29, but the first guide wall 28 is located outside the second guide wall 29. Even if
The same effect can be obtained.

[0027]

As described above, according to the invention described in claim 1 of the present invention, by providing the packing on the lower side of the lid portion, the maintainability can be improved, and the cleaning tank can be closed by the operation of closing the door. The lid and the lid can regulate the positional relationship in the left-right direction with respect to each other to ensure the blocking property and prevent the leakage of washing water and steam, so that the configuration is simple and inexpensive , and easy to use. A highly reliable dishwasher can be provided.

According to the invention of claim 2 , the lid is
By providing packing on the lower side of the
It is possible to improve the security and close the door,
When the cleaning tank is housed in the outer box, the blocking property can be secured while gradually controlling the positional relationship with the lid in the left-right direction, and the cleaning water and steam can be prevented from leaking, which is simple and inexpensive. It is possible to provide a highly reliable dishwasher that is easy to use with a simple configuration.

[Brief description of drawings]

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

[Fig. 2] Cross-sectional view of the dishwasher

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

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

[Explanation of symbols]

1 outer box 14 Cleaning tank 18 Lid 25 First guide wall (guide means) 26 Second guide wall (guide means) 27 openings

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshikazu Haruchi, 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Hiroyuki Nakano, 1006 Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. In-house (56) Bibliography Hei 6-84940 (JP, U) Hei 63-140229 (JP, U) Hei 63-38834 (JP, U) Registered utility model 3031809 (JP, U) United States Patent 2668091 (US, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) A47L 15/42

Claims (2)

(57) [Claims] 1. A washing tank having an opening at the top, and the washing
The first rails provided on the left and right outer surfaces of the cleaning tank and the first rail
A second rail, which engages with the rail, is fixed to both left and right inner surfaces.
And an outer box for movably supporting the washing tub in the front-rear direction, front
A lid which is movably supported in the longitudinal and vertical direction above the serial outer box through a link, mounted on the underside of the lid portion
And a packing, and the cleaning tank is housed in an outer box.
At this time, a guide means provided on the cleaning tank and the lid is used to regulate the lateral position between the cleaning tank and the lid .
The horizontal position between the cleaning tank and the lid is restricted.
When the storage of the cleaning tank is completed, the lid is lowered.
Closing the opening of the cleaning tank through the packing,
The guide means has a first guide wall in front of the cleaning tank.
And a second guide wall in front of the lid.
Either one of the first guide wall and the second guide wall
Insert the cleaning tank into the outer box with one and the other two
In the state before contacting the lid, the one
Guide wall is located between the other guide walls and
A dishwasher configured to be next to each other . 2. A washing tank having an opening at the top, and the washing
The first rails provided on the left and right outer surfaces of the cleaning tank and the first rail
A second rail, which engages with the rail, is fixed to both left and right inner surfaces.
An outer box that supports the cleaning tank so that it can move in the front-rear direction, and
It can be moved back and forth and up and down via links above the box.
A lid that is movably supported and that is attached to the lower side of the lid.
And a packing, and the cleaning tank is housed in an outer box.
At this time, the horizontal position between the cleaning tank and the lid is regulated.
In order to ensure that the cleaning tank and the guide means provided on the lid
The horizontal position between the cleaning tank and the lid is restricted.
When the storage of the cleaning tank is completed, the lid is lowered.
Closing the opening of the cleaning tank through the packing,
Said guide means, the left and right ends near the front side of the washing tub
Provided with a first guide wall, a second guide wall provided in the left and right ends near the front side of the lid, inserting said cleaning tank into said outer box, in a state before the contact with the lid, It said first guide wall, either one of the second guide wall is located inside the other, constituting <br/> the tableware washing machine as phase adjacent in a substantially horizontal direction.