JP3275885B2 - 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 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. 3, 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
To open and close 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 pressurizing 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 the closing operation of the door regulates the positional relationship between the cleaning tank and the lid in the left-right direction while securing the mutual obstruction so that the cleaning water or steam leaks. It is an object of the present invention to provide a dishwasher which is easy to use and has high reliability.

[0009]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a cleaning tank having an opening at an upper portion, which is opened forward.
Cleaning tank supported movably in the front and rear direction by an outer box having a part
A door that opens and closes the opening of the outer box is attached to the front of the box, and the lid is supported on the outer box so that it can move back and forth and up and down .
Equipped with packing mounted on the lower side, washing tank or outer box
When the washing tank is placed in the outer box
A guide means for regulating the position of the washing tank and the outer box in the left-right direction .
Gradually regulate the horizontal positional relationship between the washing tank and the outer box,
After regulating the positional relationship between the cleaning tank and the lid in the left-right direction,
The part closes the opening of the cleaning tank via the packing .

[0010] Thereby, it is possible to prevent the washing water and steam from leaking by securing the mutual obstruction while regulating the positional relationship between the washing tank and the lid in the left-right direction by the operation of closing the door. It is possible to provide a dishwasher that is easy to use and highly reliable.

[0011]

DETAILED DESCRIPTION OF THE INVENTION According to a first aspect of the present invention includes a cleaning tank having an opening upward, movably supporting the cleaning tank in the longitudinal direction, outside the closed openings in the front A box and an opening of the outer box attached to the front of the washing tank
A door for opening and closing the door, a lid supported on the outer box so as to be movable in the front-rear and up-down directions, and a lid mounted on a lower side of the lid.
And a substantially horizontal surface on the washing tank or the outer box.
When the cleaning tank is housed in the outer box
In the cleaning tank, a guide means for restricting the lateral position between the outer box cross provided, said guide means closing the door
The position of the washing tank and the outer box in the horizontal direction by operation
The relationship is gradually regulated, and the horizontal direction between the cleaning tank and the lid is
After restricting the positional relationship, the lid is inserted through the packing.
By closing the opening of the washing tank, by regulating the positional relationship between the washing tank and the outer box in the left-right direction,
The operation of closing the door can secure the obstruction between the cleaning tank and the lid while restricting the positional relationship between the cleaning tank and the lid in the left-right direction, and can prevent the leakage of cleaning water and steam, so that it is easy to use. A good and reliable dishwasher can be provided.

[0012]

An embodiment 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.

As shown in FIG. 1, the cleaning tank 14 has first rails 15 provided on both left and right outer surfaces thereof, and a second rail 16 engaged with the first rails 15 is provided on both left and right sides of the outer box 1. The cleaning tank 14 is fixed to the inner surface, and is movable in the front-rear direction with respect to the outer box 1. In the upper part of the outer box 1, four links 17 are provided.
The lid 18 is attached via the. 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.
The pressing portion 23 has a positional relationship that allows the pressing portion 23 to come into contact with a protruding portion 24 provided on the lower side behind the lid portion 18.

As shown in FIG. 2, on both outer sides in front of the cleaning tank 14, there is a substantially horizontal outwardly projecting part, and the rearward protrusion t1 is lower than the frontward protrusion t2. One guide 25 is provided, and two second guides 26 projecting inward in a substantially horizontal direction are provided on both inner sides near the opening of the outer box 1. The first guide portion 25 is in a positional relationship such that it can be immersed between the two second guide portions 26, and the first guide portion 25 and the second guide portion 26 Guide means for regulating the position in the left-right direction between each other is constituted. In addition,
The left side of the drawing is the front and the right side is the back.

The operation of the above construction will be described. When the cleaning tank 14 is accommodated in the outer box 1, the cleaning tank 14 moves rearward, and the first guide portion 25 eventually has two second guides. The guides are immersed between the parts 24, and the two guides are adjacent to each other in a substantially vertical direction. The cleaning tank 14 moves backward and gradually regulates the mutual position of the cleaning tank 14 and the outer box 1 in the left-right direction. be able to. Since the outer box 1 is connected to the lid 18 via the link 17, the mutual position of the cleaning tank 14 and the lid 18 in the left-right direction can be regulated as a result.

Thereafter, the pressing portion 23 comes into contact with the projecting portion 24, and the pressing portion 23 pushes the projecting portion 24 rearward, whereby the lid portion 18 is pushed rearward. At this time, link 17
Is rotated, and the lid 18 moves on the rotation trajectory of the link 17 and thus 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 storage of the cleaning tank 14 is completed, the lid 18 is moved via the packing 19 to the cleaning tank 14. Is 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 moves forward by the rotation of the link 17. For this reason, by providing the packing 19 below the lid portion 18, the maintainability is improved, and by the operation of closing the door 4, the cleaning tank 14 regulates the positional relationship in the left-right direction with the outer box 1. , Washing tank 14 and lid 18
After restricting the positional relationship between the cleaning tank 14 and the lid 18 in the left-right direction, it is possible to secure the obstruction between the cleaning tank 14 and the lid portion 18 and prevent leakage of cleaning water and steam, thereby being simple and inexpensive. It is possible to provide a highly reliable dishwasher with a simple configuration and high usability.

In this embodiment, the first guide portion 25 is provided in the cleaning tank 14 and the second guide portion 26 is provided in the outer box 1. However, the first guide portion 25 is provided in the outer box 1. Provided, washing tank 14
The same effect can be obtained even if the second guide portion 26 is provided. Similar effects can be obtained even if the second guide portion 26 is formed in a groove shape.

[0020]

As described above, according to the first aspect of the present invention, a cleaning tank having an upper opening, the cleaning tank is supported so as to be movable in the front- rear direction, and the opening is provided forward. and an outer box for chromatic <br/>, said outer box attached to a front of the washing tub
A door that opens and closes an opening of the door, a lid that is movably supported in the outer box in the front-rear and up-and-down directions, and attached to a lower side of the lid.
The washing tank or the outer box
And the cleaning tank is housed in the outer box.
The Rutoki, the cleaning tank, a guide means for restricting the lateral position between the outer box mutually provided, said guide means the door
Closing action between the washing tank and the outer box
Of the washing tank and the lid
After regulating the positional relationship in the direction, the lid is
Since the opening of the cleaning tank is closed through the opening , it is possible to secure the mutual closing property while regulating the positional relationship between the cleaning tank and the lid in the left-right direction by the operation of closing the door,
Since washing water and steam can be prevented from leaking, it is possible to provide a dishwasher 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 an embodiment of the present invention.

FIG. 2 is a partially cutaway cross-sectional view of the dishwasher.

FIG. 3 is a longitudinal sectional view of a conventional dishwasher.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer box 14 Cleaning tank 18 Lid 25 First guide part (guide means) 26 Second guide part (guide means) 27 Opening

──────────────────────────────────────────────────の Continued on the front page (72) Inventor Hiroyuki Nakano 1006 Kazuma Kadoma, Kadoma City, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. In-company (56) References JP-A-6-169821 (JP, A) JP-A-4-76082 (JP, U) JP-A-7-502183 (JP, A) US Patent 2,669,091 (US, A) US Patent 2661750 (US, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) A47L 15/00-15/42 A47B 77/08

Claims (1)

(57) [Claims] A cleaning tank according to claim 1, having an opening upward, and the outer box this cleaning tank movably supported in the front-to chromatic <br/> an opening in the front, mounted to the front of the washing tub The outer box
A door that opens and closes an opening of the door, a lid that is movably supported in the outer box in the front-rear and up-and-down directions, and attached to a lower side of the lid.
The washing tank or the outer box
And the cleaning tank is housed in the outer box.
The Rutoki, the cleaning tank, a guide means for restricting the lateral position between the outer box mutually provided, said guide means the door
Closing action between the washing tank and the outer box
Of the washing tank and the lid
After regulating the positional relationship in the direction, the lid is
A dishwasher for closing an opening of the washing tub via a plug .