JP2001275913A - Dish washer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure the blockage between a cleaning tank and lid body and to improve reliability by stably moving the lid body in a backward and lower direction when housing the cleaning tank of a dishwasher to clean tableware by jetting cleaning water from a cleaning nozzle toward the tableware. SOLUTION: The cleaning tank 3 with an opening part 5 at its upper part is supported in an outer box 1 in such a way as to be moved forward and backward, and the cleaning tank 3 is held in a state pressed and housed in the outer box 1 by a fastening mechanism 12. The opening part 5 of the cleaning tank 3 is blocked by the lid body 21, and the lid body 21 is biased in a forward and upward direction by an elastic body 11. The cleaning tank 3 is provided with an inner wall surface 23 and pressing part 3 which constitute pressing parts at different distances from the.fastening mechanism 12, and the lid body 21 is provided with a first protruded part 22 and second protruded part 24. The protruded part 22 and second protruded part 24 are each pressed backward by the inner wall surface 23 and pressing part 13 when housing the cleaning tank 3 to move the lid body 21 against the biasing force of the elastic body 11 and to block the opening part 5 of the cleaning tank 3.

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 arranged in a dish basket with washing water jetted from a washing nozzle rotating in a washing tank has become mainstream.

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

As shown in FIG. 2, the outer box 1 has an opening in the front and a first rail 2 is fixed to both left and right inner surfaces. The cleaning tank 3 has second rails 4 on its left and right outer surfaces.
The second rail 4 is movably connected to the first rail 2 so that the washing tank 3 can be moved in the front-rear direction with respect to the outer box 1. The cleaning tank 3 has an opening 5 at the top and a door 6 at the front to open and close the opening of the outer box 1.

A lid 8 is supported above the inside of the outer box 1 via four links 7 so as to be movable in the front-rear and up-down directions, and the opening of the washing tank 3 is opened via a packing 9 attached to the lid 8. The portion 5 is configured to be closed. One link 7 is provided in each of the front, rear, left and right, and a hole 10 on the rotation center axis side is provided.
a is slidably engaged with a shaft provided on the outer box 1, and a rotation side hole 10 b is slidably engaged with a shaft provided on the lid 8.
The lid 8 is connected to the outer box 1 by an elastic body 11 and is urged upward and forward.

The washing tank 3 has a locking mechanism 12 at the front, and can be locked to the outer box 1 in a state where the washing tank 3 is completely housed in the outer box 1. Further, the cleaning tank 3 is provided with the pressing portion 1
3 and the lid 8 has a downwardly projecting portion 14 at the rear. The left side of the drawing is the front and the right side is the back.

In the washing tank 3, a washing nozzle 15 for jetting washing water is rotatably provided, and a dish basket 17 in which a dish 16 is arranged is accommodated. The cleaning water in the cleaning tank 3 is heated by a heater 18, sucked from a drain port 20 by a cleaning pump 19, and fed to a cleaning nozzle 15 by pressure. The tableware 16 disposed in the tableware basket 17 is configured to be washed with washing water that is vigorously jetted from the washing nozzle 15.

The operation of the above configuration will be described. The washing tub 3 is pulled out forward, the tableware 16 is placed in the dish basket 17, the washing tub 3 is pushed into the outer box 1, and in the state where the storage in the outer box 1 is completed, the front opening of the outer box 1 is opened by the door 6. Close
The cleaning tank 3 is locked and fixed to the outer box 1 by the locking mechanism 12. At this time, when the pressing portion 13 pushes the protruding portion 14 backward, the lid 8 moves backward and downward as shown by a dashed line, and closes the opening 5 of the cleaning tank 3 via the packing 9 to operate the device. Prevent leakage of washing water and steam inside.

[0009]

In such a conventional dishwasher, the locking mechanism 12, the pressing portion 13 and the protruding portion 14 regulate the position of the lid 8 in the front-rear direction. When the projections 14 are damaged or deformed, the movement of the lid 8 changes, and in some cases, the amount of movement of the lid 8 rearward and downward is reduced, so that the cleaning tank 3 and the lid 8 are closed. However, there is a problem that the property is reduced.

[0010] The present invention solves the above-mentioned problems, and ensures that the lid is moved rearward and downward when the cleaning tank is housed, so that the closure between the cleaning tank and the lid is ensured, and the reliability is improved. It aims to provide a high dishwasher.

[0011]

According to the present invention, in order to achieve the above object, a cleaning tank having an upper opening is supported in an outer box so as to be movable in the front-rear direction, and the cleaning tank is externally moved by a locking mechanism. The washing tank is held in a housed state by being pushed into the box, the opening of the washing tank is closed by a lid, and the lid is urged forward and upward by an elastic body. A plurality of pressing portions are provided at different positions, and a plurality of protruding portions are provided on the lid body at positions that can contact the pressing portions, and the pressing portions rearward the protruding portions at a plurality of positions when the cleaning tank is housed. By pressing, the lid is moved against the urging force of the elastic body, and the opening of the cleaning tank is closed.

Thus, even if a part of the pressing portion or the protruding portion is damaged or deformed, the lid can be reliably moved backward and downward when the cleaning tank is accommodated, and the cleaning tank and the lid can be moved. Of the dishwasher can be secured, and a highly reliable dishwasher can be provided.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to a first aspect of the present invention is directed to 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 A locking mechanism for pushing and holding the housing in a state of being housed therein; a lid for closing an opening of the washing tank; and an elastic body for urging the lid forward and upward. A plurality of pressing portions are provided at positions different in distance from the locking mechanism, and a plurality of protrusions are provided on the lid at positions capable of contacting the pressing portion. The pressing portion pushes the protruding portion backward, thereby moving the lid against the urging force of the elastic body, and closing the opening of the cleaning tank. The projecting part of the lid can be pushed backward at multiple positions by the pressing part, Even if a part is damaged or deformed, the normal relationship between the pressing part and the protruding part can be maintained, and the lid can be reliably moved rearward and downward, so that the cleaning tank and the lid can be separated. Obstructiveness can be ensured, and a highly reliable dishwasher can be provided.

[0014]

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 lid 21 has a first protruding portion (protruding portion) 22 on the lower front side, and the first protruding portion 22 of the cleaning tank 3 constituting a pressing portion. Front inner wall 23
It is in a positional relationship that can abut. Further, the lid 21 has a second protruding portion (protruding portion) 24 on the lower side of the rear, and the second protruding portion 24 can be brought into contact with the pressing portion 13 provided behind the cleaning tank 3. In a relationship.

That is, the inner wall surface 23 and the pressing portion 13 on the front side of the cleaning tank 3 constituting the pressing portion are provided at positions different in distance from the locking mechanism 12. First protruding portion 22 and pressing portion 13 that can contact wall surface 23
When the cleaning tank 3 is accommodated in the outer box 1, the lid 21 is pushed backward at a plurality of positions to close the opening 5 of the cleaning tank 3 when the cleaning tank 3 is accommodated in the outer box 1. Configuration. Other configurations are the same as the conventional example.

The operation of the above configuration will be described. When the cleaning tank 3 is accommodated in the outer box 1, the cleaning tank 3 moves backward, and the inner wall surface 23 of the cleaning tank 3 is eventually moved to the first projecting portion 22.
, And the pressing portion 13 comes into contact with the second projecting portion 24.
Thereafter, the inner wall surface 23 and the pressing portion 13 push the first protruding portion 22 and the second protruding portion 24 rearward, respectively.
The lid 21 is pushed backward.

At this time, the link 7 rotates, and the lid 21 moves on the rotation locus of the link 7, so that it moves downward while moving backward. When the cleaning tank 3 is further moved backward, the lid 21 is lowered to the height of the opening 5 of the cleaning tank 3, and at the same time when the storage of the cleaning tank 3 is completed, the lid 21 is moved as indicated by a dashed line. Packing 9 of opening 5
Close through. By operating the locking mechanism 12 in this state, the cleaning tank 3 is locked in the outer box 1.

For this reason, the position of the lid 21 with respect to the cleaning tank 3 is determined by the contact between the inner wall surface 23 and the first protruding portion 22 and the contact between the pressing portion 13 and the second protruding portion 24. For example, even if the first protruding portion 22 is damaged by contact with tableware or the like and cannot contact the inner wall surface 23, the pressing portion 13 and the second Since the contact relationship with the protruding portion 24 can be maintained, the lid 21 can be reliably moved backward and downward, so that the obstruction between the washing tank 3 and the lid 21 can be ensured, and dishwashing with high reliability can be achieved. Machine can be provided.

[0020]

As described above, according to the first aspect of the present invention, there is provided 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 A locking mechanism that pushes the cleaning tank into the outer box and holds the cleaning tank in a housed state, a lid that closes an opening of the cleaning tank, and an elastic body that urges the lid forward and upward, The cleaning tank is provided with a plurality of pressing portions at positions different in distance from the locking mechanism, and the lid is provided with a plurality of protrusions at positions capable of contacting the pressing portion, and when the cleaning tank is housed. By pressing the protruding portion rearward at a plurality of positions, the lid is moved against the urging force of the elastic body,
Since the opening of the washing tank is closed, the lid can be reliably moved downward and downward, and the obstruction between the washing tank and the lid can be ensured. Can be provided.

[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 longitudinal sectional view of a conventional dishwasher.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer box 3 Cleaning tank 5 Opening 11 Elastic body 12 Locking mechanism 13 Pressing part 21 Lid 22 First protrusion (protruding part) 23 Inner wall surface (pressing part) 24 Second protrusion (protruding part)

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Keiji Tsukuya 1006 Kadoma Kadoma, Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (72) Tetsuya Nakayama 1-1-400 Umeda, Kita-ku, Osaka-shi F-term in Excel Techno Co., Ltd. (reference) 3B082 BB01 BB02 BB04 BB06

Claims (1)

[Claims] 1. 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 a locking mechanism for pushing the cleaning tank into the outer box and holding the same. A lid for closing the opening of the cleaning tank, and an elastic body for urging the lid forward and upward, wherein the cleaning tank has a plurality of presses at different positions from the locking mechanism. Part, the lid body is provided with a plurality of protrusions at positions capable of contacting the pressing part, and when the cleaning tank is accommodated, the pressing part pushes the protrusion backward at a plurality of positions. Moving the lid against the biasing force of the elastic body;
A dishwasher configured to close the opening of the washing tank.