JPH11197084A - Dishwasher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance harmony with a kitchen,. simplify the shape of a single lid, and improve serviceability and ease of fabrication by covering openably the opening of a box-shaped cleaning tank having the opening in the front with a lid in the front and providing an upper operating unit where a control substrate is attached on the upper wall of the lid. SOLUTION: A cleaning tank 21 has a boxlike shape and has an opening in the front, and the opening is covered openably with a lid 22. An upper operating unit 25 furnished with a control substrate is provided on the upper wall 23 of the lid 22. The upper operating unit 25 has a control substrate fixed thereto and a display section guide and an operating button, etc. Decorative plates 31, 32 are attached to the front of a box 28 with sashes 29, 30, ensuring harmony with a kitchen where a dishwasher is built in. The upper operating section 33 of the upper operating unit 25 is structured so as to be covered with the forward portion 34 of the upper portion of the body when the lid 22 is closed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher built in a kitchen or the like for washing dishes.

[0002]

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

[0003] As shown in FIG. 9, a washing tank 1 is provided with tableware 2.
Is stored inside and the washing water is stored at the bottom, and the front surface is an opening. The washing nozzle 3 is rotatably supported in the washing tank 1, and ejects washing water toward the tableware 2. The washing water is sent from the washing pump 4. The motor 5 drives the cleaning pump 4. A heater 6 is provided at the bottom of the cleaning tank 1 to heat the cleaning water.

The cleaning tank 1 is supported by a pair of left and right support members 7 and rotatably holds a pair of left and right rotating members 8. A lid 9 is attached to the rotating member 8 to open and close the opening of the cleaning tank 1 and an urging spring 10 is attached to urge the lid 9 in the closing direction.

On the front of the lid 9, an operation display unit 11 for turning on / off the power, starting the operation, displaying the operation, setting and displaying the contents of the operation course, and the like is provided in a direction perpendicular to the floor surface. The plate 13 is attached.
Further, a decorative plate 16 is attached to a front surface of the box 14 fixed below the lid 9 by a sash 15.

The operation of the above configuration will be described. The user opens the lid 9 forward, places the dishes 2 in the basket 17, puts the detergent in the washing tank 1, closes the lid 9 after putting the detergent, turns on the power by the operation display unit 11, selects an operation course, and starts operation. I do. Then, first, a predetermined amount of tap water is supplied to the bottom of the washing tank 1, the motor 5 and the heater 6 are energized, and the washing water is spouted from the washing nozzle 3 toward the tableware 2 by the washing pump 4 while being heated. , Remove the dirt on the tableware 2.

[0007]

However, in the above-described conventional configuration, the operation display unit 1 located on the front surface of the lid 9 is not shown.
No. 1 has a problem that it becomes considerably large and conspicuous because power supply is turned off, operation start, operation display, operation course contents are set and displayed, and the like. Even if the decorative plates 13 and 16 are attached to the front of the lid 9 and the box 14 to enhance harmony with the kitchen in which the dishwasher is built-in, the operation display unit 11 is conspicuous, thereby lowering the quality of the entire kitchen. There is fear.

In addition, since buttons that are used less frequently, such as selecting a driving course, and buttons that must be operated every time, such as turning the power on and off, are similarly arranged on the front, the operation unit is complicated and difficult for the user to understand. There was a problem that it was difficult. Furthermore, the operation display unit 11 is vertically located at the waist level of the user, and has a problem that it is inconvenient, such as lacking in visibility and having to be squatted for operation because it looks down from above. Was.

The present invention solves the above-mentioned conventional problems. The operation display section on the front of the lid is eliminated or the display contents are minimized to make the display less noticeable, enhance harmony with the kitchen, and provide a single lid. The purpose is to simplify the shape and improve serviceability and assemblability.

[0010]

According to the present invention, in order to achieve the above object, an opening of a box-shaped washing tank having an opening at a front portion is openably and closably covered with a lid, and a control wall is provided on an upper wall of the lid. An upper operation unit to which a substrate is attached is provided.

As a result, the operation display section on the front face of the lid can be eliminated, and harmony with the kitchen can be enhanced. Further, since the operation section is directed in the direction of the eyes, the operation can be performed while standing and the usability is improved. can do. In addition, there is no need to form the complicated shape of the operation display unit on the lid itself, simplifying the shape of the lid alone, improving serviceability and assemblability, and changing the specifications of the operation unit partially with the same configuration by the manufacturer It is easy to respond to the development of a model that does

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention comprises a box-shaped washing tank having an opening at a front part, and a lid for opening and closing the opening. An upper operation unit in which a control board is attached to a wall is provided, and the operation display section on the front of the lid can be eliminated, so that harmony with the kitchen can be improved. In addition, since the operation unit is in the direction of the line of sight, the operation unit can be operated while standing, and usability can be improved. Furthermore, it is not necessary to form a complicated shape of the operation display unit on the lid itself, and the shape of the lid alone is simplified,
The serviceability and assemblability can be improved, and it is easy to cope with the development of a model in which the manufacturer only partially changes the specifications of the operation unit with the same configuration.

According to a second aspect of the present invention, in the first aspect of the present invention, the upper operating unit has an upper operating portion, and the upper operating portion is connected to the front portion of the upper portion of the main body with the lid closed. It is configured so as to cover unnecessary objects when the user does not use it, so that the design can be improved.

According to a third aspect of the present invention, in the first or second aspect of the present invention, a notch is provided in a part of the upper wall of the lid, and the upper operation unit is detachably attached to the notch. It is attached, so that the configuration of the upper wall of the lid can be simplified, and only the upper operation unit needs to be changed to its own specification when deploying the model, so that a common lid can be used. Further, since the lid and the first operation unit can be completely separated, assemblability and serviceability can be improved.

According to a fourth aspect of the present invention, in the third aspect of the present invention, the upper operation unit is detachably mounted by sliding from the rear of the lid, and the upper operation unit is operated from the upper wall of the lid. Modeling for fixing the unit can be eliminated, and the appearance can be improved. Furthermore, water can be prevented from entering the inside of the lid from the upper wall of the lid, and the waterproofness can be improved.

According to a fifth aspect of the present invention, in the fourth aspect of the present invention, a projection is provided on a side wall of the notch of the lid, and a groove on which the projection fits is provided on a side wall of the upper operation unit. Since it is formed, the workability of inserting the upper operation unit can be improved, the mechanical strength in the vertical direction of the upper wall after being inserted into the lid can be improved, and the waterproofness can be improved.

The invention described in claim 6 is the above-mentioned claim 1.
5. The invention according to 5, wherein a lid back plate attached to the back surface of the lid is provided, wherein the lid, the lid back plate, and the upper operation unit are fastened together by screws, thereby improving the mechanical strength of the lid. it can.

[0018] The invention described in claim 7 provides the above-mentioned claims 1 to
In the invention described in Item 6, a locking portion for temporarily fixing the upper operation unit is provided on the inner surface side of the lid, and it is possible to prevent the upper operation unit from dropping off after the upper operation unit is inserted into the lid during assembly. Performance can be improved.

The invention according to claim 8 is the invention according to claims 1 to 5.
In the invention described in Item 7, the upper operation unit is provided with a wall surrounding the control board, and the waterproofness of the control board when water invades from the upper wall of the lid can be improved.

According to a ninth aspect of the present invention, there is provided a box-shaped washing tank having an opening at a front portion, and a lid which covers the opening so as to be openable and closable. An operation unit is provided, and a front operation unit that holds the control board is provided on the back of this front operation unit.Therefore, there is no need to form a complicated shape of the operation display unit on the lid itself, simplifying the shape of the lid alone Serviceability and assemblability can be improved, and it is easy to respond to model development. Furthermore, usability can be improved by making it easy to see from above while standing.

The invention according to claim 10 is the invention according to claim 9.
In the invention described in (1), an eave portion is provided at the lower end portion of the front operation portion, and the upper end portion of the decorative board is inserted between the eave portion and the front operation unit or the lid, so that the number of parts can be reduced and the cost can be rationalized The assemblability can be improved.

According to the eleventh aspect of the present invention, there is provided the ninth aspect.
Alternatively, in the invention described in Item 10, the front operation unit is provided with an opening, and an operation piece having elasticity is formed integrally with the front operation unit so as to be located in the opening. The dimensional accuracy is improved, and a stable operating force can be obtained.

According to a twelfth aspect of the present invention, there is provided a box-shaped cleaning tank having an opening at a front portion, and a lid for opening and closing the opening, wherein a first control board is provided on an upper wall of the lid. Is provided, an upper operation unit is formed substantially flush with an upper wall surface of the lid, and a second operation unit is provided on the upper front surface of the lid to form a front operation unit. The second operation unit is provided with a second control board.
The complicated modeling of the operation display unit can be completely separated from the lid alone, which can simplify the lid shape, improve serviceability and assemblability, and facilitates the development of models. Items that need to be operated each time are left in the front operation unit and those that are used less frequently are moved to the upper operation unit, thereby minimizing the contents of the front operation unit to make it less noticeable and improving harmony with the kitchen. At the same time, usability can be improved.

According to the thirteenth aspect of the present invention, there is provided the first aspect of the present invention.
2. In the invention described in 2, the first operation unit is provided with a wall surrounding the first control board, and the waterproofness of the first control board when water enters from the upper wall of the lid is improved. be able to.

The invention according to claim 14 is the first invention.
In the invention described in Item 2, an extension portion is provided on the side of the lid back plate of the first operation unit so as to cover the second control board, and the second portion when water invades from the upper wall of the lid. Of the control board can be improved.

[0026]

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

(Embodiment 1) As shown in FIG. 1 and FIG. 2, the cleaning tank 21 is box-shaped and has an opening at the front, and the opening is covered with a lid 22 so as to be openable and closable. Upper wall 2 of this lid 22
3 is an upper operation unit 25 to which a control board 24 is attached.
Is provided. The control board 24 has functions necessary for the user to operate such as turning on / off the power, starting operation, displaying operation, and setting / displaying the contents of an operation course, and the microcomputer need not necessarily be mounted.

The upper operation unit 25 fixes the control board 24 and has a guide 26 of a display unit, operation buttons 27 and the like. A decorative board 31 and a decorative board 32 are attached to the front surface of the lid 22 and the box body 28 by a sash 29 and a sash 30, so that harmony with a kitchen in which a dishwasher is built-in is achieved.

Further, the upper operation unit 33 of the upper operation unit 25 holds the front part 3 of the upper part of the main body with the lid 22 closed.
4. Further, a notch 35 is provided in a part of the upper wall 23 of the lid 22, the upper operation unit 25 is detachably attached to the notch 35, and the upper operation unit 25 is inserted into the notch 35 from above. , And is fixed by the mounting portion 36.

The operation of the above configuration will be described. In order to harmonize with the kitchen in which the dishwasher is built in, decorative plates 31 and 32 are attached to the front surfaces of the lid 22 and the box 28 by sashes 29 and 30. Upper operation unit 25
By providing, the range that cannot be covered by the decorative board can be minimized, and the design can be improved.

When the user performs an operation, the upper operation unit 25 is in the direction of the line of sight, so that the operation can be performed while standing, and the usability can be improved. Further, it is not necessary to form a complicated shape of the operation display unit on the lid 22 itself, so that the shape of the lid 22 can be simplified, and only the control board 24 and the upper operation unit 25 are dedicated when the model is developed. 22 can be shared.

The control board 24 and the upper operation unit 2
5 can be treated as one unit, so that serviceability and assemblability can be improved.

Further, with the lid 22 closed, the upper operation unit 33 of the upper operation unit 25 moves the front part 3 of the upper part of the main body.
4, the upper operation unit 33 does not have an external appearance when the lid 22 is closed, and can hide unnecessary parts when the user does not use it, thereby improving design. Can be improved.

Further, a notch 35 is provided in a part of the upper wall 23 of the lid 22, and the upper operating unit 2 is provided in the notch 35.
5 is detachably attached, the upper operation unit 25 is inserted into the notch 35 from above, and then fixed by the attachment portion 36, so that the configuration of the upper wall 23 can be simplified. Only the unique specifications need be changed, and the common lid 22 can be used. Further, since the lid 22 and the upper operation unit 25 can be completely separated, assemblability and serviceability can be improved.

In this embodiment, the control board 24 has functions necessary for the user to operate such as turning on / off the power, starting the operation, displaying the operation, and setting and displaying the contents of the operation course. May be provided at other locations.

(Embodiment 2) As shown in FIG.
Is provided with a notch 39 in a part of the upper wall 38, and the upper operation unit 4 in which the control board 24 is attached to the notch 39.
0 is detachably attached. A protrusion 42 is provided on a side wall 41 of the notch 39, a groove 44 in which the protrusion 42 fits is formed on a side wall 43 of the upper operation unit 40, and the upper operation unit 40 is slid from behind the lid 37 to be detached. It can be freely attached.

The cover back plate 45 is a stainless steel diaphragm plate that is attached to the back surface of the cover 37 and seals the opening of the washing tank 21 with water when the cover 37 is closed. The plate 45 and the upper operation unit 40 are fastened together. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. The upper operation unit 40 is slidably mounted from the rear of the lid 37 so as to be detachably attached to the upper operation unit 40. It can be eliminated, and the appearance can be improved. Further upper wall 38
It is possible to make it difficult for water to enter the inside of the lid 37 from above, and it is possible to improve waterproofness.

Further, when the upper operation unit 40 is inserted into the lid 37, the projections 42 serve as guides to improve the workability. After the insertion into the lid 37, an external force is applied to the upper wall 38 in the vertical direction. Even if it works, the protrusion 42 and the groove 44
So that the mechanical strength can be improved,
The mating portion forms a labyrinth with respect to the intrusion of water from the upper wall 38, and the waterproofness can be improved.

[0040] Further, the upper wall 38 of the lid 37 is just intensity because of the notch 39 for inserting the upper operating unit 40 is lowered, Futauraban 45 is attached to the rear surface of the cover 37, separately Because of the strength, the fastening part 4
6, the mechanical strength of the lid 37 can be improved, and the upper operation unit 40 is fixed to the notch 39.
A gap, a step, and the like in a divided portion between 7 and the upper operation unit 40 hardly occur, which is advantageous in appearance.

(Embodiment 3) As shown in FIG. 4, on the inner surface side of the lid 37, a locking portion 4 for temporarily fixing the upper operation unit 40 is provided.
7 so as to be able to engage with an engaging portion 48 provided on the upper operation unit 40. The upper operation unit 40 is provided with a wall 49 surrounding the control board 24. Other configurations are the same as those of the second embodiment.

The operation of the above configuration will be described. With the upper operation unit 40 inserted into the notch 39, the locking portion 47 is engaged with the engaging portion 48 and is temporarily fixed to the lid 37. Thereby, it is possible to prevent the upper operation unit 40 from dropping after being inserted into the lid 37 at the time of assembling without adding screws, thereby improving workability.

In FIG. 4, the locking portion 47 is provided on a component separate from the lid 37. However, when the upper operation unit 40 is inserted, the locking portion 47 is engaged with the engaging portion 48. If so, it may be provided on the lid 37 itself.

Further, the control board 2 is
4 is provided so that the user may accidentally
7 when water is spilled on the upper wall 38 of the upper operation unit 4
Even if water intrudes into the inside of the lid 37 from the gap between the cover 37 and the lid back plate 45, since the periphery of the control board 24 is covered by the wall 49, the control board 24 is not splashed with water, Waterproofness can be improved.

(Embodiment 4) As shown in FIGS. 5 and 6, the cleaning tank 21 is box-shaped and has an opening at the front, and the opening is openably and closably covered with a lid 50. A front operation unit 51 inclined upward is provided on the upper front surface of the lid 50, and a front operation unit 53 for holding a control board 52 is provided on the back surface of the front operation unit 51. The control board 52 is used for setting the power on / off, operation start, operation display, and operation course contents.
It has functions necessary for the user to operate such as display, and the microcomputer need not necessarily be mounted.

The front operation unit 53 is welded and fixed to the back side of the lid 50, and the control board 52 is fixed to the front operation unit 53 by the boss 54. Also, the front operation unit 51
An eave portion 55 is provided at a lower end portion of the decorative panel 31, and an upper end portion of the decorative board 31 is inserted between the eave portion 55 and a lower portion 56 of the front operation unit 53. Further, an opening 57 is provided in the front operation unit 51, and an elastic operation piece 58 is formed integrally with the front operation unit 53 so as to be located in the opening 57. Other configurations are the same as those of the first to third embodiments.

The operation of the above configuration will be described. When the user performs an operation, since the front operation unit 51 is inclined upward, the front operation unit 53 is in the direction of the line of sight, so that the operation can be performed while standing and the usability can be improved. Further, it is not necessary to form a complicated shape of the operation display unit on the lid 50, and the shape of the lid 50 can be simplified.
2 and the front operation unit 53 only.
Can be shared.

It should be noted that inclining the front operation portion 51 upward means that the boss 54 and the like also need to be inclined, and if this shaping is performed with the lid 50, the direction in which the molding die is pulled out must be changed, and the shape must be changed. It becomes very complicated.

Therefore, by separating the front operation unit 53 from the lid 50, it is not necessary to form a complicated shape of the operation display unit on the lid 50 itself, and the shape of the lid 50 can be simplified, and serviceability can be improved. The assemblability can be improved. When the model is deployed, the front operation unit 5
Only 3 needs to be changed to its own specification, and it is possible to cope with a common lid.

An eave portion 55 is provided at the lower end of the front operation portion 51, and the eave portion 55 and the front operation unit 53 are provided.
By inserting the upper end of the decorative board 31 between the lower end 56 and the lower end 56, the decorative board 31 is held at the left and right ends and the lower end by the lid 50 with the sash 29, but the upper end is held by the front operation unit. By also using 53, the number of parts can be reduced, and cost rationalization and assemblability can be improved.

By providing the eaves 55 on the lid 50, a cutout hole 59 is formed in the lid 50 itself over the entire width. However, the welding part 60 and 61 above and below the hole 59 cover the entire width of the lid 50 and the front operation unit 53. Is welded, so that the strength of the lid 50 can be sufficiently ensured.

Further, an opening 57 is provided in the front operation unit 51, and the elastic operation piece 58 is formed integrally with the front operation unit 53 so as to be located in the opening 57, so that the user can turn on the power. When the front operation unit 51 is pressed when turning off or setting a driving course, the operation piece 58 is bent, the switch 62 of the control board 52 is operated, and predetermined control is performed.

At this time, if the positions of the operation piece 58 and the switch 62 do not conform to the predetermined dimensions, the operation will not be performed unless they are strongly pressed, or the operation will be performed with a slight force. Therefore, by integrally forming the operation piece 58 with the front operation unit 53 for fixing the control board 52, the dimensional accuracy is improved and a stable operation force can be obtained.

(Embodiment 5) As shown in FIG. 7, a first operation unit 66 having a first control board 65 attached to an upper wall 64 of a lid 63 is provided, and is substantially flush with the upper wall 64 of the lid. And a second operation unit 7 for holding a second control board 69 on the back surface of the front operation unit 68.
0 is provided. The second control board 69 is used to set the power on / off, operation start, operation display, and operation course contents.
It has functions necessary for the user to operate, such as display, and does not necessarily have to include a microcomputer.

That is, FIG. 8A
As shown in FIG. 8, the power button 70, the start button 71, the operation display lamp 72, and the like are required to be operated each time, and the contents to be viewed from the front during driving are arranged. As shown, the driving course setting button 7
3. Infrequently used contents such as a drying time setting button 74 and a display lamp 75 are arranged.

The first operation unit 66 is provided with a wall 49 surrounding the first control board 65. Further, an extension 77 is provided on the lid back plate 45 side of the first operation unit 66 so as to cover the second control board 69. Other configurations are the same as those in the first to fourth embodiments.

The operation of the above construction will be described.
3, a first operation unit 6
It is only necessary to make the shape for attaching the sixth and second operation units 70, and the complicated modeling of the operation display unit can be completely separated from the lid 63, the shape of the lid 63 can be simplified, and the serviceability can be improved. In addition, the assemblability can be improved, and it is easy to respond to the development of models.

Further, as shown in FIG.
A power button 70, a start button 71, an operation display lamp 72, etc., which are required to be operated each time, and contents to be viewed from the front even during operation are arranged, and an operation course setting button 73, a drying time setting button 74, Indicator lamp 75
By arranging infrequently used contents such as, etc., the contents of the front operation unit 68 are suppressed to the minimum necessary and become inconspicuous,
The harmony with the kitchen can be improved and the usability can be improved. Here, since the front operation section 68 is inclined upward, the user can stand up from the direction of the line of sight when performing an operation, so that usability can be improved.

Further, the user mistakenly mistakes the upper wall 64 of the lid 63.
When water is spilled on the first operation unit 66 and the lid 63
Even if water enters the inside of the lid 63 from the gap of the lid back plate 45, the first operation unit 66 is provided with the wall 76 surrounding the first control substrate 65. Is not splashed, and the extension 77 covers the upper part of the second control board 69, so that the second control board 69 is not splashed with water and the waterproof property can be improved.

[0060]

As described above, according to the first aspect of the present invention, there is provided a box-shaped washing tank having an opening at the front,
A lid is provided to cover the opening so that it can be opened and closed, and an upper operation unit with a control board attached to the upper wall of the lid eliminates the operation display section on the front of the lid, allowing harmony with the kitchen. Can be enhanced. In addition, since the operation unit is in the direction of the line of sight, the operation unit can be operated while standing, and usability can be improved. In addition, there is no need to form the complicated shape of the operation display unit on the lid itself, simplifying the shape of the lid alone, improving serviceability and assemblability, and changing the specifications of the operation unit partially with the same configuration by the manufacturer It is easy to respond to the development of a model that does

According to the second aspect of the present invention, the upper operating unit has the upper operating portion, and the upper operating portion is covered by the front portion of the upper portion of the main body when the lid is closed. Therefore, unnecessary items can be hidden when not used by the user, and the design can be improved.

According to the third aspect of the present invention, a notch is provided in a part of the upper wall of the lid, and the upper operation unit is detachably attached to the notch. The configuration can be simplified, and only the upper operation unit needs to be changed to a unique specification when the model is deployed, so that a common lid can be used. Further, since the lid and the first operation unit can be completely separated, assemblability and serviceability can be improved.

According to the fourth aspect of the present invention, since the upper operation unit is slidably attached to the rear side of the lid, the molding for fixing the upper operation unit from the upper wall of the lid is eliminated. And appearance can be improved. Furthermore, water can be prevented from entering the inside of the lid from the upper wall of the lid, and the waterproofness can be improved.

According to the fifth aspect of the present invention, the protrusion is provided on the side wall of the notch portion of the lid, and the groove in which the protrusion fits is formed on the side wall of the upper operation unit. The workability of inserting the unit can be improved, the mechanical strength in the vertical direction of the upper wall after being inserted into the lid can be improved, and the waterproofness can be improved.

According to the invention described in claim 6, since the cover back plate attached to the back surface of the cover is provided, and the cover, the cover back plate, and the upper operation unit are jointly fastened with the screw, the cover mechanical device is provided. Target strength can be improved.

According to the seventh aspect of the present invention, since the locking portion for temporarily fixing the upper operation unit is provided on the inner surface side of the lid, it is possible to prevent the upper operation unit from falling off after being inserted into the lid during assembly. And workability can be improved.

According to the invention described in claim 8, since the upper operation unit is provided with the wall surrounding the control board, it is possible to improve the waterproofness of the control board when water enters from the upper wall of the lid. it can.

According to the ninth aspect of the present invention, there is provided a box-shaped washing tank having an opening at a front portion, and a lid which covers the opening so as to be freely opened and closed. The front operation unit is provided at an angle, and the front operation unit for holding the control board is provided on the back surface of the front operation unit. Therefore, it is not necessary to form a complicated shape of the operation display unit on the lid itself,
The shape of the lid alone can be simplified, serviceability and assemblability can be improved, and it is easy to respond to model development. Furthermore, usability can be improved by making it easy to see from above while standing.

According to the tenth aspect of the present invention,
An eaves section is provided at the lower end of the front operation section, and the upper end of the decorative board is inserted between the eaves section and the front operation unit or the lid, so that the number of parts can be reduced, cost can be reduced, and assemblability can be improved. it can.

According to the eleventh aspect of the present invention,
An opening is provided in the front operation unit, and the elastic operation piece is formed integrally with the front operation unit so as to be located in the opening, so that the dimensional accuracy of the control board and the operation piece is improved, and a stable operation force is provided. Can be obtained.

According to the twelfth aspect of the present invention,
A box-shaped cleaning tank having an opening at the front, and a lid that covers the opening so that it can be opened and closed, and a first operation unit having a first control board attached to the upper wall of the lid is provided. An upper operation unit is formed substantially flush with the upper wall surface of the lid, and a second operation unit is provided on the upper front surface of the lid to form a front operation unit. The second operation unit includes a second control board. Since it is attached, the complicated shape of the operation display unit can be completely separated from the lid alone, simplifying the shape of the lid alone, improving serviceability and assemblability, and easily responding to model development Become. Items that need to be operated each time are left in the front operation unit and those that are used less frequently are moved to the upper operation unit, thereby minimizing the contents of the front operation unit to make it less noticeable and improving harmony with the kitchen. At the same time, usability can be improved.

According to the thirteenth aspect of the present invention,
Since the wall surrounding the first control board is provided in the first operation unit, it is possible to improve the waterproofness of the first control board when water enters from the upper wall of the lid.

According to the fourteenth aspect of the present invention,
An extension is provided on the back side of the lid of the first operation unit so as to cover the second control board, so that the waterproofness of the second control board when water invades from the upper wall of the lid is improved. Can be.

[Brief description of the drawings]

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

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

FIG. 3 is an exploded perspective view of a main part of a dishwasher according to a second embodiment of the present invention.

FIG. 4 is an exploded perspective view of a main part of a dishwasher according to a third embodiment of the present invention.

FIG. 5 is a perspective view of a dishwasher according to a fourth embodiment of the present invention.

FIG. 6 is an enlarged sectional view of a main part of the dishwasher.

FIG. 7 is a sectional view of a main part of a dishwasher according to a fifth embodiment of the present invention.

Fig. 8 (a) Front view of the front operation unit of the dishwasher (b) Front view of the upper operation unit of the dishwasher

FIG. 9 is a partially cutaway side view of a conventional dishwasher.

[Explanation of symbols]

 Reference Signs List 21 Cleaning tank 22 Lid 23 Upper wall 24 Control board 25 Upper operation unit

Claims (14)

[Claims] 1. A box-shaped washing tank having an opening in a front part,
A dishwasher comprising: a lid that covers the opening so as to be openable and closable; and an upper operation unit having a control board attached to an upper wall of the lid. 2. The upper operation unit has an upper operation unit,
2. The dishwasher according to claim 1, wherein the upper operation portion is covered by a front portion of an upper portion of the main body when the lid is closed. 3. The dishwasher according to claim 1, wherein a notch is provided in a part of an upper wall of the lid, and an upper operation unit is detachably attached to the notch. 4. The dishwasher according to claim 3, wherein the upper operation unit is detachably mounted by sliding from the rear of the lid. 5. The dishwasher according to claim 4, wherein a projection is provided on a side wall of the notch portion of the lid, and a groove is formed on a side wall of the upper operation unit to allow the projection to fit. 6. The dishwasher according to claim 1, further comprising a lid back plate attached to a back surface of the lid, wherein the lid, the lid back plate, and the upper operation unit are fastened together by screws. 7. The dishwasher according to claim 1, wherein a locking portion for temporarily fixing the upper operation unit is provided on an inner surface side of the lid. 8. The dishwasher according to claim 1, wherein a wall surrounding the control board is provided in the upper operation unit. 9. A box-shaped washing tank having an opening in a front part,
A dishwasher comprising: a lid that covers the opening so as to be openable and closable; a front operation unit that is inclined upward at an upper part of the front surface of the lid; and a front operation unit that holds a control board on the back surface of the front operation unit. 10. The dishwasher according to claim 9, wherein an eave portion is provided at a lower end portion of the front operation portion, and an upper end portion of the decorative board is inserted between the eave portion and the front operation unit or the lid. 11. The dishwasher according to claim 9, wherein an opening is provided in the front operation unit, and an elastic operation piece is formed integrally with the front operation unit so as to be located in the opening. 12. A first operation in which a box-shaped washing tank having an opening in a front portion and a lid for opening and closing the opening are provided, and a first control board is attached to an upper wall of the lid. A second operation unit is provided so as to constitute a front operation unit at an upper portion of a front surface of the lid, and a second operation unit is provided at an upper portion of a front surface of the lid. Dishwasher with 2 control boards. 13. The dishwasher according to claim 12, wherein a wall surrounding the first control board is provided in the first operation unit. 14. The dishwasher according to claim 12, wherein an extension is provided on the side of the lid back plate of the first operation unit so as to cover the second control board.