JP3284982B2 - 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 in which a washing tank is drawn out of a dishwasher main body, and the dishes are stored in the washing tank to wash the 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 the figure, a dishwasher main body 1 is provided with a washing tank 2 having an opening at the front, an upper opening inside, and a drawer 2 which can be pulled out forward from the dishwasher body 1. A tableware basket 4 for storing the tableware 3 is provided. Cleaning tank 2
Is provided by the rails provided in the dishwasher body 1 and the washing tank 2,
It can be pulled out forward.

In the cleaning tank 2, a heater 5 is provided as a heating means for heating the cleaning water in the cleaning tank 2.
A cleaning pump 6 is provided on the lower surface of the table, and cleaning water is injected from a cleaning nozzle 7 to wash the tableware 3 stored in the tableware basket 4. The water supply valve 8 supplies tap water to the washing tank 2. The washing water in the washing tank 2 is drained by a drain pump (not shown).

The temperature sensor 9 is formed of a thermistor, and is attached to the lower surface of the cleaning tank 2 and input to the control device 10 to detect the temperature of the cleaning water in the cleaning tank 2 and control the temperature of the cleaning water by the control device 10. In addition, the temperature is controlled during the drying process. An inner lid 11 is fixedly provided on the dishwasher main body 1 on the upper surface of the washing tank 2.

[0006] The inner lid 11 is provided inside the dishwasher main body 1 and closes an upper opening of the washing tank 2 when the washing tank 2 is stored in the dishwasher main body 1.

[0007] As means for closing the opening above the washing tank 2, a compressor (not shown) is provided in the dishwasher main body 1, and air is injected into the sealing packing 12 to close the upper part of the washing tank 2. Inflate. Alternatively, the inner lid 11 may be made movable inside the dishwasher main body 1, and the inner lid 11 may be moved in conjunction with the movement of the washing tank 2 to cover the upper part of the washing tank 2.

The operation of the above configuration will be described. The user pulls out the washing tub 2 forward, places the tableware 3 in the dish basket 4, stores it in the washing tub 2, and puts the detergent therein.
Is stored in the main body 1 of the dishwasher, the operation is started by closing the upper opening of the washing tank 2 with the inner lid 11, and the control device 10 controls the heater 5, the washing pump 6, the water supply valve 8, and the drainage pump. And the like, and the tableware 3 stored in the tableware basket 4 is washed, rinsed and dried.

[0009]

A dishwasher of this type having a conventional structure, that is, a dishwasher in which the upper part of the washing tank 2 is opened and the washing tank 2 is pulled out from the dishwasher main body 1 and used. An inner lid 11 covering the upper opening of the dishwasher 2 is fixedly provided inside the dishwasher main body 1, and is provided with a washing tank 2.
Is closed in the dishwasher main body 1 when it is stored in the dishwasher main body 1, air is supplied into the sealing packing 12 in order to ensure watertightness of the inner lid 11 and the opening of the washing tank 2. A compressor is provided inside the dishwasher main body 1 for putting it in and inflating to make a seal, or the inner lid 11 is made movable inside the dishwasher main body 1 so that the inner lid 11 is moved in conjunction with the movement of the washing tank 2. Is configured to cover the opening of the cleaning tank 2, so that there is a problem that the cost increases.

When the washing tub 2 is pulled out of the dishwasher main body 1, the position of the washing tub 2 is detected to stop the load of the washing pump 6 or the like. There is a problem that the washing water discharged from the washing pump 6 jumps out of the dishwasher body 1 due to the timing of opening the sealing packing 12 and the timing of stopping the load of the washing pump 6 and the like.

[0011] The present invention solves the above-mentioned problems, and reduces the cost by opening and closing the inner lid by the user, and when the washing tank is pulled out from the dishwasher main body, the washing water is discharged from the dishwasher main body. The purpose is to prevent jumping out.

[0012]

According to the present invention, in order to achieve the above-mentioned object, a washing tank containing tableware and opening upward can be pulled out from the dishwasher main body in a substantially horizontal direction. The portion is covered with an inner lid, the washing tank is configured to be engaged with the main body of the dish washer by an engagement means, and the inner lid is arranged to be openable and closable with respect to the opening of the washing tank.

[0013] This allows the user to open and close the inner lid to reduce the cost and prevent the washing water from jumping out of the dishwasher body when the washing tank is pulled out from the dishwasher body.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a dishwasher main body, a washing tank which stores tableware and is opened upward and can be pulled out from the dishwasher main body in a substantially horizontal direction. An inner lid that covers an opening of the washing tank, and an engagement unit that engages the washing tank with the dishwasher main body. The inner lid has a top, and the washing tank has the inner lid. Received the top
The lid portion is disposed so as to be openable and closable with respect to the opening of the cleaning tank, and the user opens and closes the inner lid, thereby providing a compressor that expands the seal packing, This eliminates the need for a structure to make the inner lid movable inside the dishwasher main body, which can reduce costs, and when the washing tank is pulled out of the dishwasher main body, the upper opening of the washing tank is an inner lid. Since the washing water can be covered, the washing water can be prevented from jumping out of the dishwasher main body.

[0015] The invention described in claim 2 is the invention according to the claim 1, the inner lid, before in a state of Tsu covering the opening of the cleaning tank when pulling the cleaning tank from the dishwasher main body
Drawn with serial cleaning tank, it is in a pulled-out state that the user of the opening of the washing <br/> Kiyoshiso is openable, after the cleaning tank is pulled out from the dishwasher main body, the inner the user By opening the lid, it is possible to reliably prevent the washing water from jumping out.

[0016] invention as set forth in claim 3, in the invention described in the claim 2, the inner lid, when the cleaning tank housed in the dishwasher body with opened opening of the cleaning tank,
Is obtained by so as to cover the opening of the cleaning tank, a washing tank drawer from the dishwasher main body, after and retrieving accommodating the dishes to open the inner lid, when housed in the dishwasher main body, the inner The lid can cover the opening of the cleaning tank, and the usability can be improved.

According to a fourth aspect of the present invention, in the first aspect of the present invention, the inner lid is a movable contact portion provided on the inner lid when the washing tank is pulled out of the dishwasher main body.
When the material hits the fixed contact member provided in the main body,
Rest at least partially on the dishwasher body, when it is slid out of the washing <br/> Kiyoshiso, user disconnect per above,
Are those pull out the inner lid to allow sealing the opening of the cleaning tank, when loading dishes, it is not necessary to perform opening and closing operation of the inner lid, it is possible to improve the usability, user inner surely The opening of the washing tank can be sealed by the lid, so that water leakage from above the washing tank during operation can be prevented.

The invention described in claim 5 is the invention described in claim 1, the inner lid, before in a state of Tsu covering the opening of the cleaning tank when pulling the cleaning tank from the dishwasher main body
Serial drawn with cleaning tank, together with the user the opening of the washing <br/> Kiyoshiso is openable by pull-out state, which has a sealable, when pulling out the cleaning tank from the dishwasher main body By covering the opening of the cleaning tank with the inner lid, the discharge water from the cleaning pump when opening the inner lid can be reliably prevented, and the user can reliably seal the opening of the cleaning tank with the inner lid. It is possible to prevent water leakage from above the washing tank during operation.

The invention described in claim 6 is the above-mentioned claim 1-
In the invention described in 5, the engaging means has a detecting device for detecting that the washing tank and the dishwasher main body are locked, and the detecting device detects the engaging device at the same time when the user releases the engaging device. The load of the washing pump or the like can be stopped, and the splash of washing water out of the machine can be reliably prevented.

[0020] The invention described in claim 7 is the above-mentioned claim 1-
5. The invention according to 5, wherein an inner lid position detecting device for detecting the position of the inner lid is provided when the washing tank is closed by the inner lid, and the user does not sufficiently seal the inner lid. Even when the operation is started, malfunction such as water leakage can be prevented beforehand by detecting that the position of the inner lid is irregular and not operating.

[0021] The invention described in claim 8 is the above-mentioned claim 1-
In the invention described in 5, the washing tank storage detecting device for detecting that the washing tank is completely housed in the dishwasher main body is provided, and the washing tank is pulled out from the dishwasher main body. Driving can be prevented, and water leakage or the like can be prevented by adopting a configuration that can be operated only in the dishwasher main body.

[0022]

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 FIGS. 1 and 2, the dishwasher body 13 is
Opening the front, opening the upper inside, the dishwasher body 1
A washing tank 14 which can be pulled out from the front of the washing tank 3 is provided, and a dish basket 4 for storing the tableware 3 is provided in the washing tank 14. The washing tank 14 can be pulled out substantially horizontally forward by a dishwasher body 13 and rails 15 provided on the washing tank 14.

An inner lid 16 is provided on the upper surface of the cleaning tank 14. The inner lid 16 has a top 17 and covers the opening above the cleaning tank 14 so as to be openable and closable. The cleaning tank 14 is provided with a flange portion 18 for receiving the top 17 of the inner lid 16.
When the cleaning tank 14 comes to the position for sealing the cleaning tank 14,
A concave portion 19 is provided so as to close the opening above.

A door 20 is provided on the front surface of the washing tank 14, and the door 20 is provided with an engaging means 21 for engaging the door 20 with the dishwasher main body 13.

The operation of the above configuration will be described. A user pulls out the washing tub 14 forward and removes the tableware 3 from the tableware basket 4.
After the washing tank 14 is stored in the washing tank 14 and the detergent is put therein, the washing tank 14 is housed in the dishwasher main body 13 and the opening above the washing tank 14 is closed by the inner lid 16 to start the operation. Then, the operation of the heater 5, the cleaning pump 6, the water supply valve 8, the drainage pump, and the like is controlled by the control device 10, and the tableware 3 stored in the tableware basket 4 is washed, rinsed, and dried.

Here, when the user stores or removes the tableware 3, the engaging means 21 is released and the washing tank 14 is removed.
Is pulled out from the dishwasher main body 13, the top 17 of the inner lid 16 is fitted into the concave portion 19 of the flange portion 18 provided in the cleaning tank 14. Is drawn out together with the washing tank 14 in a state in which is covered.

By opening the inner lid 16 in this pulled-out state, the upper opening of the washing tank 14 can be opened, the tableware 3 can be stored and taken out, and the washing pump 6 and the like are stopped. Since the inner lid 16 can be opened after a sufficient time has been secured, the washing water from the washing pump 6 can be prevented from jumping out of the dishwasher main body 13.

The frame 17 of the inner lid 14 is provided in the washing tank 14.
A flange portion 18 is provided to receive the cleaning tank 14.
Since the recess 19 is provided so as to close the upper opening of the cleaning tank 14 when the position of the cleaning tank 14 is closed, the inner lid 14 is lowered by the depth of the recess 19, so that the upper surface of the cleaning tank 14 Can be closed. In addition, since the user can open and close the inner lid 16, the inner lid 16 is simply provided with the top 17 and the cost can be reduced.

Further, the top 17 of the inner lid 14 is placed on the flange 18 provided in the
Is stored in the dishwasher main body 13, the top 17 of the inner lid 16 is fitted into the recess 19 of the flange portion 18 provided in the cleaning tank 14, whereby the cleaning tank 14 is automatically sealed by the inner lid 16. And the usability can be improved.

In this embodiment, the inner lid 16 is
And the upper opening of the cleaning tank 14 is openably and closably covered. However, the same operation and effect can be obtained even if the upper side of the cleaning tank 14 is configured to be openable and closable using one side as a fulcrum.

Further, the inner lid 16 can be pressed against the upper surface of the cleaning tank 14 in conjunction with the movement of the engaging means 21 to improve the sealing performance.

(Embodiment 2) As shown in FIG. 3, the dishwasher main body 22 is provided with a washing tank 23 which is open at the front, has an upper opening inside, and can be pulled out forward from the dishwasher main body 22. A dish basket 4 for accommodating the dishes 3 is provided in the washing tank 23. Cleaning tank 2
3 is a rail provided on the dishwasher body 22 and the washing tank 23.
4 allows it to be pulled out substantially horizontally forward.

An inner lid 25 is provided on the upper surface of the cleaning tank 23. The inner lid 25 has a top 26 and covers an opening above the cleaning tank 23. The cleaning tank 23 is provided with a flange portion 27 for receiving the top 26 of the inner lid 25, and a recess 28 is provided so as to close the opening above the cleaning tank 23 when the inner lid 25 comes to a position for sealing the cleaning tank 23. ing.

A door 29 is provided on the front of the washing tank 23, and the door 29 is provided with an engaging means 30 for engaging the door 29 with the dishwasher main body 22. In addition, a contact member is provided on the upper surface of the inner lid 25 and the lower surface of the dishwasher main body 22.

That is, as shown in FIG. 4, a movable knob 31 for opening and closing the inner cover 25 is provided on the inner cover 25, and a contact member 33 is provided via a stay 32. The movable knob 31 is urged by an urging spring 34 in the direction of arrow a. A movable contact member 35 is provided, and is urged by an urging spring 36 in the direction of arrow b.

The dishwasher main body 22 is provided with a movable contact member 37 and a fixed contact member 38. The movable contact member 37 is urged by an urging spring 39 in the direction of arrow c. The urging spring 39 includes the urging spring 34.
It is composed of a weaker force.

The engaging means 30 is connected to the dishwasher main body 22.
When engaged, the movable contact member 35 provided on the inner lid 25 is configured to be moved in the direction of arrow d. The substantially triangular claw portion 40 provided on the stay 32 has a configuration for engaging with the movable contact member 35.

The operation of the above arrangement will be described. When the user stores or removes the tableware 3, the engaging means 30 is used.
Is opened and the door 29 and the washing tub 23 are pulled out from the dishwasher main body 22, and the top 26 of the inner lid 25 is fitted into the concave portion 28 of the flange portion 27 provided in the washing tub 23. Is drawn out together with the washing tank 23, but as shown by the two-dot chain line in FIG. 4, when the contact portion 33 provided on the inner lid 25 hits the contact portion 38 of the dishwasher main body 22,
In this state, only the washing tank 23 is pulled out while the inner lid 25 is left in the dishwasher main body 22. After pulling out the washing tank 23, the user stores and removes the tableware 3.

When the user moves the movable knob 31 provided on the inner lid 25 in the anti-a direction in order to cover the upper opening of the washing tank 23, the contact member 33 becomes a fixed contact member 38.
The inner lid 25 comes out to a position where the upper surface of the cleaning tank 23 can be closed. After closing the upper surface of the washing tank 25 with the inner lid 25, storing the washing tank 23 in the dishwasher body 22, and closing the engaging means 30 in the closing direction, the contact member 35
Moves in the direction d, and the knob 31 returns to the original position by the biasing spring 34.

When the engaging means 30 is not engaged with the dishwasher main body, the substantially triangular claw 40 provided on the stay 32 hits the contact member 35 and does not return to the original position.
For example, when a switch or the like for detecting the position of the contact member 33 is provided, it is possible to detect that the drawer is incompletely housed, and it is possible to prevent the load of the cleaning pump 6 or the like from operating.

(Embodiment 3) As shown in FIG. 5, the engaging means 21 locks the washing tank 14 and the dishwasher main body 13 by locking the door 20 and the dishwasher main body 13. A lock device 41 for preventing the washing tank 14 from being pulled out of the dishwasher main body 13 and an operation unit 42 of the lock device 41 are provided on the door 20.

The detecting device 43 is constituted by a micro switch, and is configured to be driven by the lock device 41 to detect that the washing tank 14 and the dishwasher main body 13 are locked, and the detecting device 43 operates. This enables the operation of the dishwasher. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. When the dishwasher is operated by the operation of the detection device 43, and the tableware is taken in and out during the washing operation, as shown in FIG. As shown in FIG.
1 can be detected by the detection device 43 at the same time as the release of 1, and the operation of the cleaning pump 6 can be quickly stopped by the detection device 43, so that it is possible to reliably prevent the washing water from splashing out of the machine.

(Embodiment 4) As shown in FIG. 6, the inner lid position detecting device 44 is constituted by a micro switch, and when the cleaning tank 14 is closed by the inner lid 45, the convex provided on the inner lid 45 is provided. The position of the inner lid 45 is detected by being turned on by the section 46, and the dishwasher can be operated by operating the inner lid position detecting device 44. Other configurations are the same as those in the first embodiment.

The operation will be described in the above configuration. By operating the inner lid position detecting device 44 to enable the operation of the dishwasher, the operation is started in a state where the user does not sufficiently seal the inner lid 45. Even in this case, malfunction such as water leakage can be prevented beforehand by detecting that the position of the inner lid 45 is irregular and not driving.

(Embodiment 5) As shown in FIG. 7, the washing tank storage detecting device 47 is constituted by a micro switch, and is driven by a door 48 provided on the front surface of the washing tank 14, so that the washing tank 14 is Body 13
It is configured to detect that the dishwasher is completely housed in the dishwasher, and the dishwasher can be operated by operating the washing tank storage detecting device 47. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. The operation of the washing tub storage detecting device 47 enables the operation of the dish washer, thereby enabling the washing tub 14 and the dishwasher main body 13 in contact with the washing tub 14 to be operated. It is possible to prevent the washing tub 14 from being operated in a state where the washing tub 14 is pulled out from the dishwasher main body 13 when the foreign matter or the like is caught between the dishwasher main body, and to be operated only in the dishwasher main body 13. This can prevent water leakage and the like.

[0049]

As described above, according to the first aspect of the present invention, the dishwasher main body, the tableware can be housed, the upper portion is opened, and the dishwasher main body can be pulled out substantially horizontally. and Do cleaning tank, a lid inner covering the opening of the cleaning tank, the cleaning tank and a engagement means for engaging the dishwasher main body, wherein the lid has a frame, into the washing tub Is the inner lid
Since a flange portion for receiving a frame is provided, and the lid portion is arranged to be openable and closable with respect to the opening of the cleaning tank, a user can reduce the cost by opening and closing the inner lid,
When the washing tank is pulled out of the dishwasher main body, the opening above the washing tank can be covered with the inner lid, so that the washing water can be prevented from jumping out of the dishwasher main body.

In addition, according to the invention of claim 2, the inner lid in a state of Tsu covering the opening of the cleaning tank when pulling the cleaning tank from the dishwasher main body pull out together with the washing tub
It is, from the user the opening of the washing tub in a state the drawer has is possible <br/> opened, after the cleaning tank is pulled out from the dishwasher main body, by opening the inner lid by the user, washed It is possible to reliably prevent water from jumping out.

Further, according to the invention described in claim 3, the inner lid, when the cleaning tank housed in the dishwasher body with opened opening of the cleaning tank, the opening of the washing tub Because it was made to cover, the washing tub was pulled out from the dishwasher body, the inner lid was opened, and the dishes were stored and removed .
After that , when stored in the dishwasher main body, the opening of the washing tank can be covered by the inner lid, and the usability can be improved.

Further, according to the invention of claim 4, the inner lid, when pulling out the cleaning tank from the dishwasher main body, wherein
Fixed type with movable contact member provided on the inner lid provided on the body
By striking the member per, remains in at least a part of the diet <br/> instrument washer body, in a state of pulling out the cleaning tank, the user remove the per above, pull out the inner lid
Since the opening of the washing tank can be sealed, there is no need to open and close the inner lid when setting the tableware, and the usability can be improved, and the user can reliably open the opening of the washing tank with the inner lid. It can be sealed and can prevent water leakage from above the washing tank during operation.

[0053] According to the invention of claim 5, the inner lid in a state of Tsu covering the opening of the cleaning tank when pulling the cleaning tank from the dishwasher main body pull out together with the washing tub
In the state where the washing tank is pulled out, the opening of the washing tank can be opened and closed by the user. When the washing tank is pulled out from the dishwasher main body, the opening of the washing tank is closed. By covering with the lid, the discharge water from the cleaning pump when opening the inner lid can be reliably prevented, and the opening of the cleaning tank can be securely sealed by the user with the inner lid. Leakage of water from above the tank can be prevented.

According to the invention described in claim 6, the engaging means has a detecting device for detecting that the washing tank and the dishwasher main body are locked, so that the user can use the engaging means. Simultaneously with the release, the detection can be performed by the detecting device, the load of the cleaning pump or the like can be stopped, and the splash of the cleaning water out of the machine can be reliably prevented.

Further, according to the invention of claim 7, when a sealed cleaning chamber by the inner lid, because provided a lid position detector among which detects a position of the inner lid, the user inner lid Even if the operation is started in a state where the
By detecting that the position of the inner lid is irregular and not driving the vehicle, problems such as water leakage can be prevented beforehand.

According to the eighth aspect of the present invention, since the washing tank storage detecting device for detecting that the washing tank is completely housed in the dishwasher main body is provided, the washing tank is provided in the dishwasher main body. It can be prevented from operating in the state of being pulled out of the dishwasher, and by having a configuration that can be operated only in the dishwasher main body, water leakage and the like can be prevented.

[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 a perspective view of the dishwasher.

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

FIG. 4 is an enlarged plan view of a main part of the dishwasher, partially cut away.

FIG. 5 (a) is a sectional view of a main part of a dishwasher according to a third embodiment of the present invention in an engaged state by an engaging means. (B) is a sectional view of a main part of the dishwasher in a disengaged state.

FIG. 6 is a longitudinal sectional view of a dishwasher according to a fourth embodiment of the present invention.

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

FIG. 8 is a longitudinal sectional view of a conventional dishwasher.

[Explanation of symbols]

 3 tableware 13 tableware washing machine main body 14 washing tank 16 inner lid 21 engaging means

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Atsuhiro Tanaka 1006 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP-A-63-161913 (JP, A) JP-A-6-13759 (JP, U) US Patent 2,836,186 (US, A) US Patent 2,661,750 (US, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) A47L 15/00-15/42 A47B 77/08

Claims (8)

(57) [Claims] 1. A dishwasher main body, a washing tank which stores tableware, is opened upward and can be pulled out substantially horizontally from the dishwasher main body, an inner lid which covers an opening of the washing tank, Engaging means for engaging a washing tank with the main body of the dish washer, wherein the inner lid has a top, and the inner lid is provided in the washing tank.
A flange portion for receiving the frame is provided, wherein the lid is dishwasher that is openably disposed with respect to the opening of the cleaning tank. Wherein the lid, the washing cleaning tank in a state of Tsu covering the opening of the cleaning tank when pulling from the dishwasher main body
2. The dishwasher according to claim 1, wherein the dishwasher is drawn out together with the tank, and the opening of the washing tank can be opened by a user when the dishwasher is pulled out. Wherein the lid is, when the cleaning tank housed in the dishwasher body with opened opening of the cleaning tank, the claims and to cover the opening of the washing <br/> Kiyoshiso 2. The dishwasher according to 2. 4. The inner lid is provided with a movable contact member provided on the inner lid when the washing tank is pulled out from the dishwasher main body.
By striking the member per stationary provided in the body, remain at least partially the dishwasher body, when it is slid out of the cleaning tank, the user remove the contact said, the pull said inner lid The dishwasher according to claim 1, wherein an opening of the washing tank can be sealed. Wherein the lid, the washing cleaning tank in a state of Tsu covering the opening of the cleaning tank when pulling from the dishwasher main body
2. The dishwasher according to claim 1, wherein the dishwasher is drawn out together with the tank, and the opening of the washing tank can be opened and closed by a user in a state of being pulled out. 6. The engaging means has a detecting device for detecting that the washing tank and the dishwasher main body are locked.
The dishwasher according to any one of claims 5 to 10. 7. The dishwasher according to claim 1, further comprising an inner lid position detecting device for detecting a position of the inner lid when the washing tank is closed by the inner lid. 8. The dishwasher according to claim 1, further comprising a washing tank storage detecting device for detecting that the washing tank is completely housed in the dishwasher main body.