JP3095002B2 - 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 extracting a washing tank from a washing machine body, storing dishes in the washing tank, and washing the dishes.

[0002]

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

[0003] As shown in the figure, a main body 1 of the cleaning machine is opened at the front, an upper side thereof is opened, and a cleaning tank 2 which can be pulled out in a substantially horizontal direction in front of the main body 1 of the cleaning machine is provided. A tableware basket 4 for storing tableware 3 is provided therein. The cleaning tank 2 is provided by a main body of the cleaning machine 1 and a rail provided in the cleaning 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 main body 1 of the washing machine on the upper surface of the washing tank 2. The inner lid 11 is located inside the main body 1 of the washing machine, and closes the upper part of the washing tank 2 when the washing tank 2 is stored in the main body 1 of the washing machine.

[0006] As means for closing the upper part of the washing tank 2, a compressor (not shown) is provided in the main body 1 of the washing machine. In order to close the upper part of the washing tank 2, air is supplied to the seal packing 12 to expand the seal packing 12. Further, the inner lid 11 may be made movable within the main body 1 of the washing machine, and the inner lid 11 may be moved in conjunction with the movement of the cleaning tank 2 to cover the upper part of the cleaning tank 2.

The operation will be described in the above configuration. When 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 in the detergent, and starts operation, The controller 10 controls the operation of the heater 5, the cleaning pump 6, the water supply valve 8, the drainage pump, and the like, and performs cleaning, rinsing, and drying of the tableware 3 stored in the tableware basket 4.

[0008]

In such a conventional dishwasher, that is, a dishwasher in which the upper portion of the washing tank 2 is opened and the washing tank 2 is pulled out from the washing machine main body 1 and used, the washing tank 2 is provided. The inner lid 11 that covers the upper opening of the washing machine main body 1 is provided inside the washing machine main body 1, and when the washing tank 2 is housed in the washing machine main body 1, the upper part of the washing tank 2 is closed. As shown in FIG. 6, when the cleaning tank 2 is pulled out forward, the cleaning water adhered to the inner lid 11 is dropped on the inside of the bottom surface of the main body 1 of the washing machine to wash the water. When the cleaning machine main body 1 is made of a steel plate, there is a problem that the steel plate rusts.

Further, when the washing tank 2 is pulled out after the drying process, there is a problem that washing water attached to the inner lid 11 drops on the tableware 3 and wets the tableware 3.

The present invention solves the above-mentioned problem. When the washing tank is pulled out during the operation, washing water attached to the inner lid drops into the inside of the bottom of the washing machine main body and leaks to the outside of the washing machine main body. It is intended to prevent the steel plate from rusting when the cleaning machine body is made of a steel plate.

[0011]

According to the present invention, in order to achieve the above-mentioned object, an inner lid covers an opening of a washing tank which is opened upward to store dishes and can be pulled out from the washing machine body in a substantially horizontal direction. The inner lid and the opening of the cleaning tank are hermetically sealed by a sealing member, and a water drop removing means for removing water droplets on the inner surface side of the inner lid when the cleaning tank is pulled out is provided.

Thus, when the washing tank is pulled out during the operation, the washing water attached to the inner lid drops into the bottom surface of the washing machine main body and leaks to the outside of the washing machine main body. Can be prevented from being rusted when is formed of a steel plate.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a washing machine main body, a washing tank which is opened upward to store tableware and can be pulled out from the washing machine main body in a substantially horizontal direction. An inner lid that covers an opening of the cleaning tank; and a seal member that seals the inner lid and the opening of the cleaning tank, and a water droplet that removes a water droplet on an inner surface side of the inner lid when the cleaning tank is pulled out. It is provided with a removing means, and when the washing tank is pulled forward during the operation, washing water attached to the inner lid drops into the bottom of the washing machine main body and leaks to the outside of the washing machine main body, When the main body of the washing machine is made of a steel plate, the steel plate can be prevented from being rusted.

According to a second aspect of the present invention, there is provided a cleaning machine body,
A washing tank that is open at the top to store tableware and can be pulled out from the washing machine main body in a substantially horizontal direction, a lid configured by a top surface of the washing machine main body, and covering an opening of the washing tank; A sealing member for sealing the opening of the cleaning tank, and a water drop removing means for removing water droplets on the inner surface side of the lid when the cleaning tank is pulled out. When the washing machine is made of steel sheet, the washing water adhered to the lid may drop onto the inside of the bottom of the washing machine body and leak out of the washing machine body. Rust can be prevented.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the water droplet removing means is provided at an upper portion of the back of the cleaning tank, and a driving means for the water droplet removing means is required. In addition, the water drop removing means can be driven in conjunction with the movement of the washing tank when the user pulls out the washing tank, thereby reducing the cost and cleaning water removed by the water drop removing means on the rear wall of the washing tank. To be transmitted back to the washing tank.

The invention described in claim 4 is the above-mentioned claim 1 to claim 1.
3. In the invention described in 3, the receiving portion of the washing water removed by the water droplet removing device is provided in at least one of the water droplet removing device and the cleaning tank, and the receiving portion of the washing water removed by the water droplet removing device. Is provided, when the washing tank is pulled out from the washing machine main body after the drying process, it is possible to prevent the washing water from splashing on the dishes.

[0017] The invention described in claim 5 is the above-mentioned claim 1-
4. The invention according to 4, wherein a guide portion is provided for returning the washing water removed by the water droplet removing means to the inside of the washing tank, and when the washing tank is pulled out from the washing machine main body after the end of the drying process,
The washing water can be returned to the inside of the washing tank, and the washing water can be reliably prevented from splashing on the dishes.

[0018] The invention described in claim 6 is the above-mentioned claim 1-
In the invention described in 5, the convex portion for removing the cleaning water attached to the seal member is provided on the upper rear surface of the cleaning tank, and the cleaning water attached to the seal member can also be removed. It is possible to prevent water from leaking to the outside of the main body of the washing machine by dripping inside the bottom surface of the main body of the machine.

The invention described in claim 7 is the above-mentioned claim 1-
6. In the invention described in 6, the water level detecting means is provided at the bottom of the main body of the washing machine, and the washing water dropped from at least one of the lid member and the seal member can be detected,
By detecting that the washing water has dropped on the inside of the bottom surface of the main body of the washing machine, it is possible to find out, for example, an abnormality of the water drop removing means, and to prevent water leakage outside the main body of the washing machine.

According to an eighth aspect of the present invention, in the first or second aspect of the present invention, the water droplet removing means is constituted by a wiper blade which moves while being pressed against the surface where the water droplets are attached, and the cleaning tank is a cleaning machine main body. A concave portion is provided so that the wiper blade does not press against the surface where the water droplets are adhered in a state where the wiper blade is housed in the cleaning tank. Since the wiper blade is not pressed against the surface where the water droplets adhere due to the recess,
Water droplet removal performance can be maintained without causing permanent deformation.

[0021]

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 cleaning machine body 13 has a front opening, an upper opening inside, and a washing machine which can be pulled out substantially in a horizontal direction forward from the cleaning machine body 13. A tank 14 is provided, and a dish basket 4 for storing the tableware 3 is provided in the washing tank 14. The cleaning tank 14 can be pulled out forward by a rail 15 provided in the cleaning machine body 13 and the cleaning tank 14.

An inner lid 16 is provided on the upper surface of the cleaning tank 14. When the cleaning tank 14 is housed in the main body 13 of the cleaning machine, the inner lid 16 covers the opening of the upper surface of the cleaning tank 14 in conjunction with the movement of the cleaning tank 14, and a seal packing (seal member) 1.
The opening of the cleaning tank 14 is hermetically sealed through the opening 7. A rubber wiper blade 18 having elasticity and flexibility is provided on the upper part of the back surface of the cleaning tank 14 as a water droplet removing means for removing water droplets on the inner surface of the inner lid 16.

Further, an inner lid 16 is provided on the bottom of the main body 13 of the washing machine.
A water level detecting means 19 for detecting the washing water dropped from the like is provided.

The operation of the above construction will be described. The user pulls out the washing tub 14 and moves the tableware 3 to the tableware basket 4.
After the cleaning tank 14 is stored in the cleaning tank 14 by pushing the cleaning tank 14 into the cleaning machine main body 13, the cleaning tank 14 is moved by the inner lid 16.
, And the opening of the cleaning tank 14 is sealed via a seal packing 17. Thereafter, when the operation is started, the controller 10 controls the operations of the heater 5, the cleaning pump 6, the water supply valve 8, the drainage pump, and the like, and performs cleaning, rinsing, and drying of the tableware 3 stored in the tableware basket 4.

When the user pulls out the cleaning tank 14 during the cleaning operation as shown in FIG. 2, the wiper blade 18 provided on the upper rear surface of the cleaning tank 14 is pressed against the inner surface of the inner lid 16 to slide. The wiper blade 18 removes the water droplets A due to the cleaning water attached to the inner surface of the inner lid 16 and removes them. As a result, with the cleaning tank 14 pulled out,
Since no cleaning water adheres to the inner surface of cleaning tank 14, cleaning tank 14
Can be prevented from dropping on the bottom surface of the washing machine main body 13 after being pulled out.

Further, since the water level detecting means 19 for detecting the washing water is provided on the bottom of the washing machine main body 13, the washing water attached to the inner surface of the inner lid 16 can be removed by the wiper blade 18 due to some abnormality. No, cleaning machine body 13
Can be detected even when it is dropped on the main body, and it is possible to prevent water from leaking out of the main body 13 of the washing machine.

In this embodiment, a rubber wiper blade 18 having elasticity and flexibility is provided as a water droplet removing means for removing water droplets on the inner surface of the inner lid 16 so that water droplets are mechanically removed. Although it is configured, heat may be applied to evaporate it, or hot or cold air may be added to evaporate or dissipate.

(Embodiment 2) As shown in FIG. 3, the main body 20 of the cleaning machine is opened at the front, the upper part is opened inside, and the cleaning tank 2 can be pulled out substantially in the horizontal direction forward from the main body 20 of the cleaning machine.
1 and a dish basket 4 for accommodating the dishes 3 in the washing tank 21. The cleaning tank 21 can be pulled out forward by a rail 15 provided on the cleaning machine body 20 and the cleaning tank 21.

A lid 22 is formed on the top surface of the main body 20 of the washing machine. When the washing tank 21 is housed in the main body 20 of the washing machine, the lid 22 covers the opening of the upper surface of the washing tank 21 and a seal packing 23. The upper part of the washing tank 2 is closed by inflating the tank with air. A rubber wiper blade 24 having elasticity and flexibility is provided at an upper portion of the back surface of the cleaning tank 21 as a water droplet removing means for removing water droplets on the inner surface of the lid portion 22. Other configurations are the same as those of the first embodiment.
Is the same as

The operation of the above configuration will be described. The user pulls out the washing tub 21 forward and removes the tableware 3 from the tableware basket 4.
After the washing tank 21 is put into the washing tank 21 and the detergent is put therein, the washing tank 21 is pushed into the washing machine main body 20 to be housed. When the lid 22 covers the upper opening of the washing tank 21, the seal packing 23 The upper part of the cleaning tank 2 is closed by inflating with air. Thereafter, when the operation is started, the control device 10 causes the heater 5, the cleaning pump 6, the water supply valve 8,
The operation of the drainage pump and the like is controlled, and the tableware 3 stored in the tableware basket 4 is washed, rinsed, and dried.

When the user pulls out the cleaning tank 21 during the cleaning operation, the wiper blade 24 provided on the upper rear surface of the cleaning tank 21 is pressed against the inner surface of the lid 22 and slides. The water droplet A due to the attached washing water is scraped off by the wiper blade 24 and removed. As a result, cleaning tank 2
Since the washing water does not adhere to the inner surface of the lid portion 22 in the state where 1 is pulled out, it is possible to prevent the washing tank 21 from dropping onto the bottom surface of the washer body 20 after the washing tank 21 is drawn out.

(Embodiment 3) As shown in FIG.
Wiper blade (water droplet removing means) 26
The wiper blade 26 is provided with a concave receiving portion 27 for storing the cleaning water removed by the wiper blade 26, and a hole 28 is provided at a substantially central portion of the receiving portion 27. The hole 28 is connected to a guide portion 29 communicating with the inner surface of the cleaning tank 25 so that the cleaning water removed by the wiper blade 26 is returned to the inside of the cleaning tank 25.

A seal packing (seal member) 30 is provided around the inner lid 31, the cleaning tank 25 is housed in a main body of the cleaning machine (not shown), and the upper opening of the cleaning tank 25 is covered with the inner lid 31. In this state, the space between the cleaning tank 25 and the inner lid 31 is sealed. A convex portion 32 is provided on the back surface of the cleaning tank 25 to remove cleaning water attached to the lower surface of the seal packing 30.

A concave portion 33 is provided on the inner surface side of the inner lid 31, and the concave portion 33 does not press the wiper blade 26 against the inner surface side (water droplet adhesion surface) of the inner lid 31 in a state where the cleaning tank 25 is stored in the main body of the cleaning machine. Like that. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. When the user stores or removes the tableware 3, the cleaning tank 25 is pulled out from the main body of the cleaning machine. At this time, the inner lid 31 remains in the main body of the washing machine, and the wiper blade 26 attached to the cleaning tank 25 scrapes and removes water droplets A due to the cleaning water attached to the inner surface side of the inner lid 31. The removed cleaning water is stored in a concave receiving portion 27 provided on the wiper blade 26, and the stored cleaning water is returned to the cleaning tank 25 through the hole 28 by the guide portion 29, and is dropped inside the main body of the cleaning machine. Or sticking to tableware can be reliably prevented.

Further, since the convex portion 32 is provided on the back surface of the cleaning tank 25 to remove the cleaning water adhered to the lower surface of the seal packing 30, the cleaning water adhered to the seal packing 30 can also be removed. It is possible to prevent the washing water from dropping inside the bottom surface of the washing machine body and leaking to the outside of the washing machine body.

Further, a concave portion 33 is provided on the inner surface side of the inner lid 31, and the concave portion 33 is provided with the wiper blade 26 on the inner surface side (water droplet adhesion surface) of the inner lid 31 in a state where the cleaning tank 25 is housed in the main body of the cleaning machine. Cleaning tank 2
5 by pulling out the inner lid 3 with the wiper blade 26.
1 can reliably remove water droplets adhering to the inner surface side, and in a state where the cleaning tank 25 is housed in the main body of the cleaning machine, the wiper blade 26 is not pressed against the inner surface side of the inner lid 31 by the concave portion 33, so that permanent deformation is caused. It is possible to maintain the performance of removing water droplets without causing the occurrence.

In this embodiment, the wiper blade 2
Although the receiving portion 27 for storing the cleaning water removed in Step 6 is provided on the wiper blade 26, the same effect can be obtained by providing the receiving portion 27 in the cleaning tank 25.

Further, the wiper blade 26 is pressed against the inner surface side (water droplet adhering surface) of the inner lid 31 and a concave portion 33 is provided on the inner surface side of the inner lid 31 so that the cleaning tank 25 is housed in the main body of the cleaning machine. Although the wiper blade 26 is prevented from pressing against the inner surface of the inner lid 31, as shown in the second embodiment, a concave portion is provided in the lid formed on the top surface of the main body of the cleaning machine, so that the cleaning tank is cleaned. Even when the wiper blade is not pressed against the lid in the state of being housed in the main body, the same effect can be obtained.

[0041]

As described above, according to the first aspect of the present invention, the washing machine main body, and the washing which can be pulled out in the substantially horizontal direction from the washing machine main body by opening the upper part to store the tableware. A tub, an inner lid for covering the opening of the cleaning tub, and a sealing member for sealing the inner lid and the opening of the cleaning tub, and when the cleaning tub is pulled out, water droplets on the inner surface side of the inner lid are provided. When the washing tank is pulled out during operation, the washing water attached to the inner lid drops into the bottom of the washing machine body and leaks to the outside of the washing machine body when the washing tank is pulled out during operation. Further, it is possible to prevent the steel plate from being rusted when the cleaning machine body is made of a steel plate.

According to the second aspect of the present invention, a washing machine main body, a washing tank which is opened upward to store tableware and can be pulled out from the washing machine main body in a substantially horizontal direction, A lid configured with a top surface and covering the opening of the cleaning tank,
The lid and the sealing member for sealing the opening of the washing tank are provided. When the washing tank is pulled out, a water drop removing means for removing water drops on the inner surface side of the lid is provided. When the tank is pulled out, the washing water attached to the lid drops inside the bottom of the washing machine and leaks to the outside of the washing machine, or when the washing machine is made of steel, Can be prevented from rusting.

According to the third aspect of the present invention, since the water drop removing means is provided on the upper rear surface of the washing tank, no driving means for the water drop removing means is required, and the user can pull out the washing tank. The water droplet removing means can be driven in conjunction with the movement of the cleaning tank to reduce the cost, and the cleaning water removed by the water droplet removing means can be transmitted to the back wall of the cleaning tank and returned into the cleaning tank. Can be.

According to the fourth aspect of the present invention, the receiving portion of the washing water removed by the water droplet removing means is provided in at least one of the water droplet removing means and the cleaning tank.
By providing the receiving portion of the washing water removed by the water droplet removing means, it is possible to prevent the washing water from splashing on the dishes when the washing tank is pulled out of the washing machine body after the drying process.

According to the fifth aspect of the present invention, since the guide for returning the washing water removed by the water droplet removing means to the inside of the washing tank is provided, the washing tank is drawn out of the washing machine main body after the drying process. In addition, the washing water can be returned to the inside of the washing tank, and the washing water can be reliably prevented from splashing on the dishes.

According to the sixth aspect of the present invention, since the convex portion for removing the cleaning water adhered to the seal member is provided on the upper rear surface of the cleaning tank, the cleaning water adhered to the seal member can also be removed. Thus, it is possible to prevent the washing water from dropping inside the bottom surface of the washing machine main body and leaking to the outside of the washing machine main body.

According to the seventh aspect of the present invention, the water level detecting means is provided at the bottom of the main body of the washing machine, and the washing water dropped from at least one of the lid member and the seal member can be detected. By detecting that the washing water has dropped on the inside of the bottom surface of the main body of the washing machine, it is possible to find out, for example, an abnormality of the water drop removing means, and to prevent water leakage outside the main body of the washing machine.

According to the eighth aspect of the present invention, the water droplet removing means is constituted by a wiper blade which moves while being pressed against the surface where the water droplets adhere, and the wiper is stored in a state where the cleaning tank is housed in the main body of the cleaning machine. The recess is provided so that the blade does not press against the surface where the water droplets are attached.By pulling out the cleaning tank, the water droplets adhering to the surface where the water droplets are adhered can be reliably removed by the water wiper blade. In addition, since the wiper blade is not pressed against the water droplet adhering surface by the concave portion, permanent deformation does not occur, and the water droplet removing performance can be maintained.

[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 longitudinal sectional view of the dishwasher when a washing tank is opened.

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

FIG. 4A is a longitudinal sectional view of a main part of a dishwasher according to a third embodiment of the present invention, and FIG. 4B is a longitudinal sectional view of a main part of the dishwasher when a washing tank is opened.

FIG. 5 is a longitudinal sectional view of a conventional dishwasher.

FIG. 6 is a longitudinal sectional view of the dishwasher when a washing tank is opened.

[Explanation of symbols]

 3 Tableware 13 Cleaning Machine Body 14 Cleaning Tank 16 Inner Lid 17 Seal Packing (Seal Member) 18 Wiper Blade (Water Drop Removing Means)

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Atsuhiro Tanaka 1006 Kadoma Kadoma, Osaka Pref. Matsushita Electric Industrial Co., Ltd. (56) References JP-A-11-346975 (JP, A) JP-A-61-213031 (JP, A) JP-A-6-13759 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A47L 15/42

Claims (8)

(57) [Claims] 1. A washing machine main body, a washing tank which is opened upward to store tableware and can be pulled out from the washing machine body in a substantially horizontal direction, an inner lid for covering an opening of the washing tank, and an inner lid for the washing tank And a sealing member for sealing an opening of the washing tank, and a dishwasher provided with a water drop removing means for removing water drops on the inner surface side of the inner lid when the washing tank is pulled out. 2. A washing tank main body, a washing tank which is opened upward to store dishes and can be pulled out from the washing machine main body in a substantially horizontal direction, and a top surface portion of the washing machine main body, the opening of the washing tank. And a sealing member for sealing the lid and the opening of the cleaning tank, and provided with water droplet removing means for removing water droplets on the inner surface side of the lid when the cleaning tank is pulled out. Dishwasher. 3. The dishwasher according to claim 1, wherein the water droplet removing means is provided on an upper portion of a back surface of the washing tank. 4. The dishwasher according to claim 1, wherein a receiving portion of the washing water removed by the waterdrop removing means is provided in at least one of the waterdrop removing means and the cleaning tank. 5. The dishwasher according to claim 1, further comprising a guide for returning the washing water removed by the water drop removing means to the inside of the washing tank. 6. The dishwasher according to claim 1, wherein a convex portion for removing washing water attached to the seal member is provided on an upper portion of a back surface of the washing tank. 7. The cleaning device according to claim 1, wherein a water level detecting means is provided at a bottom portion of the main body of the cleaning machine so that cleaning water dropped from at least one of the lid member and the sealing member can be detected. Dishwasher. 8. The water droplet removing means is constituted by a wiper blade which moves while being pressed against a water droplet adhering surface, and has a concave portion so that the wiper blade is not pressed against the water droplet adhering surface when the cleaning tank is housed in the main body of the washer. The dishwasher according to claim 1 or 2, wherein the dishwasher is provided.