JP2000107114A - Dishwasher - Google Patents

Abstract

(57) [Summary] [Problem] To store tableware in a washing tank, and to wash the tableware,
In a dishwasher that performs rinsing and drying, the height of the product is kept low, the height inside the washing tank is secured, the tableware storage volume is expanded, and the shape of the washing tank is simplified to facilitate processing. . SOLUTION: Cleaning water is discharged into a cleaning tank 17 by a cleaning pump 18 and a cleaning tank 1 is discharged by a drain pump 19.
The washing water in the washing machine 7 is configured to be discharged outside the machine, and a washing pump 18 and a drainage pump 19 are arranged outside the horizontal projection plane of the washing tank 17.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher for storing dishes in a washing tank and washing, rinsing and drying 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.

As shown in the figure, a dishwasher main body 1 has a washing tank 2 provided therein, and a dish basket 4 for accommodating tableware 3 in the washing tank 2.

A heater 5 is provided in the cleaning tank 2 as 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. The blower fan 11 is operated in a drying process, sucks air through an intake hole 12 provided at a rear portion of the main body 1 of the washing machine, blows the sucked air into the cleaning tank 2 through a blow hole 13, and exhausts the air through an exhaust hole 14. Thereby, the tableware 3 in the washing tank 2 is dried. A door 15 is provided on the front surface of the cleaning tank 2 so as to be openable and closable.

The operation will be described in the above configuration. When the user opens the door 15 forward, places the tableware 3 in the tableware basket 4, stores it in the washing tank 2 and puts in the detergent, and starts operation, the control is started. The heater 10, the cleaning pump 6,
The operation of the water supply valve 8, the blower fan 11, the drainage pump, and the like is controlled, and the tableware 3 stored in the tableware basket 4 is washed, rinsed, and dried.

[0007]

In such a conventional construction, a cleaning pump 6 and a drainage pump are arranged on the lower surface of the cleaning tank 2, and the cleaning pump 6 and the drainage It is necessary to form the lower surface of the cleaning tank 2 according to the shape of the pump, and the lower surface of the cleaning tank 2 is complicated. When the cleaning tank 2 is formed of a stainless steel plate or the like, the drawing shape is complicated and required processing. There is a problem that it is necessary to increase the number of steps, which increases the cost.

Further, since the lower surface of the cleaning tank 2 has a complicated shape, there is a problem that the shape of components such as the heater 5 disposed in the cleaning tank 2 is restricted.

[0009] Further, the height of the product is increased in order to secure a space in the height direction in which the cleaning pump 6 and the drainage pump are arranged on the lower surface of the cleaning tank 2, so that when the product is installed, a sense of oppression is given, There is a problem that a sense of instability is given depending on the form. In addition, when the height of the product is configured to be low, the volume in the washing tank 2 is reduced in order to secure the pump height space, the tableware storage capacity is reduced, and a dish with a large outer diameter, a cooking utensil, and the like are used. There was a problem that storage was not possible.

[0010] The present invention solves the above-mentioned problems, and reduces the height of the product, secures the height of the inside of the washing tank, increases the tableware storage volume, and simplifies the shape of the washing tank. The purpose is to make it easier.

[0011]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is configured so that cleaning water is discharged into a cleaning tank by a cleaning pump and cleaning water in the cleaning tank is discharged outside the machine by a drain pump. The cleaning pump and the drainage pump are arranged outside the horizontal projection plane of the cleaning tank.

Thus, since the cleaning pump and the drainage pump are not disposed on the lower surface of the cleaning tank, there is no need to secure a space in the height direction of the pump on the lower surface of the cleaning tank, and the position of the lower surface of the cleaning tank can be lowered. This makes it possible to increase the tableware storage volume without increasing the height of the product, and in particular, it becomes possible to store dishes having a large outer diameter and cooking utensils. Further, since the lower surface of the cleaning tank has a planar shape without protrusion of the pump, restrictions on the shape of components such as the heater can be reduced, and the lower surface of the cleaning tank can be easily cleaned and processed.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS According to the first aspect of the present invention, there is provided a cleaning tank, a cleaning pump for discharging cleaning water into the cleaning tank, and discharging the cleaning water from the cleaning tank to the outside of the machine. A drain pump, wherein the cleaning pump and the drain pump are disposed outside the horizontal projection plane of the cleaning tank, and the cleaning pump and the drain pump are not disposed on the lower surface of the cleaning tank. There is no need to secure a space in the height direction of the pump on the lower surface, and it is possible to lower the position of the lower surface of the washing tank, and it is possible to increase the tableware storage volume without increasing the height of the product. Large dishes and cooking utensils can be stored. In addition, since the lower surface of the cleaning tank has a planar shape without protrusion of the cleaning pump, restrictions on the shape of components such as a heater can be reduced, and the lower surface of the cleaning tank can be easily cleaned.

According to a second aspect of the present invention, in the first aspect of the present invention, a washing tank made of stainless steel plate is provided, and a washing pump and a drain pump are arranged outside the back of the washing tank. By arranging the washing pump and the drain pump outside the back of the washing tank, the depth dimension, which has relatively few dimensional restrictions, can be increased, so that the width dimension of the product can be increased without increasing the product height. The internal volume of the cleaning tank can be increased without increasing the height. In addition, the washing pump and the drainage pump can be arranged in the vicinity of the back plate that forms the back shell of the product, and maintenance such as pump replacement work can be easily performed simply by removing the back plate. it can.

According to a third aspect of the present invention, in the first or second aspect of the present invention, a control unit for controlling a cleaning pump, a drain pump, and the like is provided. It is provided at least in the vicinity of one of them, so that the wiring between the control unit and the pump can be shortened, and the cost can be reduced.

The invention described in claim 4 is the above-mentioned claim 1 to claim 1.
In the invention described in Item 3, the control unit is disposed on a back plate that forms a back shell of the dishwasher main body. When the back plate is detached from the dishwasher main body, the control unit, the cleaning pump, and the drainage are disposed. The pump can be easily checked, the maintenance workability can be improved, and the wiring can be shortened and the cost can be further reduced by consolidating the electrical components.

[0017] The invention described in claim 5 is the above-mentioned claim 1-
4. The invention according to claim 4, further comprising a substantially rectangular parallelepiped outer box and a cleaning tank, wherein the cleaning pump and the drain pump are disposed on one of the short sides of the substantially rectangular parallelepiped. In a dishwasher with a shape, for example, by arranging large-capacity pumps on the back of the dishwasher main body, the gap between the washing tank and the outer box in the width and height directions can be made as small as possible. The width of the washing tank is small, the height can be suppressed, and the internal volume of the washing tank can be secured.

[0018]

An embodiment of the present invention will be described below with reference to the drawings. The same components as those in the conventional example are denoted by the same reference numerals, and description thereof is omitted.

As shown in FIG. 1 and FIG. 2, the dishwasher main body 16 is formed in a substantially rectangular parallelepiped, and a washing tank 17 formed in a substantially rectangular parallelepiped by a stainless steel plate is provided therein. Is provided with a tableware basket 4 for storing.
A recess 17a is provided on the lower surface of the cleaning tank 17, and the recess 17a
The connection between the cleaning pump 18 and the drainage pump 19 is provided.

The washing pump 18 and the drainage pump 19 are provided on one of the short sides of the dishwasher main body 16 formed in a substantially rectangular parallelepiped.
The cleaning tank 17 is arranged outside the rear surface of the cleaning tank 17 outside the horizontal projection plane. The recess 17a provided on the lower surface of the cleaning tank 17 and the cleaning pump 18 are connected by a pump suction pipe 20, and the cleaning pump 18 and the cleaning nozzle 7 are also connected by a discharge pipe 21 similarly to the suction pipe 20. ing. The suction pipe 22 of the drainage pump 19 is the suction pipe 2 of the cleaning pump 18.
0, and the discharge pipe 23 is configured to drain water outside the machine.

The control unit 24 controls the washing pump 18, the drain pump 19, and the like. The control unit 24 includes an operation display control unit 25 and a load control unit 26, which are operated by the user. Is provided at the lower part of the front surface of the dishwasher main body 16, the load control unit 26 is disposed on the back plate 27 which constitutes the back shell of the dishwasher main body 16, and the load control unit 26 is provided with the cleaning pump 18 and the drainage pump 19. It is provided in the vicinity.

The temperature sensor 9 is composed of a thermistor, is attached to the lower surface of the cleaning tank 17 and is input to the load control unit 26. The temperature sensor 9 detects the temperature of the cleaning water in the cleaning tank 17 and detects the temperature of the cleaning water by the load control unit 26. Is controlling. Other configurations are the same as the conventional example.

The operation will be described in the above configuration. When the user opens the door 15 forward, places the tableware 3 in the tableware basket 4, stores it in the washing tank 17 and puts in the detergent, and starts operation, the control is started. The heater 24, the cleaning pump 6,
The operation of the water supply valve 8, the blower fan 11, the drainage pump and the like is controlled, and the tableware 3 arranged in the tableware basket 4 is washed, rinsed and dried.

Since the cleaning pump 18 and the drain pump 19 are arranged outside the horizontal projection plane of the cleaning tank 17, the cleaning tank 1
The height dimension of 7 is such that the cleaning pump 18
There is no need to secure a space in the height direction of the drainage pump 19, the lower surface position of the washing tank 17 can be lowered, and the dishwasher main body 16 can be configured as large as possible.
Without increasing the height of the dishwasher main body 16, the volume in the washing tank 17, particularly the dimension in the height direction, can be increased, and a dish with a large outer diameter, cooking utensils, and the like can be stored.

Further, since the cleaning pump 18 and the drainage pump 19 are arranged outside the horizontal projection plane of the cleaning tank 17, the lower surface of the cleaning tank 17 can be configured to be substantially flat, and the cleaning tank 17 can be made of stainless steel plate or the like. In the case of forming the cleaning tank 17, the shape is simple, the processing steps can be shortened, and the cleaning of the lower surface of the cleaning tank 17 can be easily performed.

A load controller 26 for controlling the cleaning pump 18 and the drain pump 19 is disposed near the cleaning pump 18 and the drain pump 19, and the load controller 26 is disposed on the back plate 27. Therefore, it is possible to shorten the wiring connecting the loads such as the washing pump 18 and the drainage pump 19 and the load control unit 26, to reduce the cost, and to remove the back plate 27 from the dishwasher main body 16. ,
The cleaning pump 18 and the drainage pump 19 can be easily checked together with the load control unit 26, and maintenance work can be improved.

The dishwasher body 16 and the washing tank 17 are formed in a substantially rectangular parallelepiped, and the washing pump 18 and the drainage pump 19 having a large capacity are formed in a substantially rectangular parallelepiped. By arranging the dishwasher main body 16 and the washing tank 1 in the width direction and the height direction by disposing them outside the back of the tank 17.
7 can be made as small as possible, and the width and height of the dishwasher body 16 can be reduced,
In addition, the internal volume of the cleaning tank 17 can be secured.

[0028]

As described above, according to the first aspect of the present invention, the cleaning tank, the cleaning pump for discharging the cleaning water into the cleaning tank, and the cleaning water in the cleaning tank are provided. A drain pump for discharging to the outside, and since the cleaning pump and the drain pump are disposed outside the horizontal projection plane of the cleaning tank, the cleaning pump and the drain pump are not disposed on the lower surface of the cleaning tank.
There is no need to secure space in the height direction of the pump on the lower surface of the cleaning tank, and the lower position of the cleaning tank can be lowered.
The tableware storage volume can be increased without increasing the height of the product, and in particular, large-diameter dishes and cooking utensils can be stored. In addition, since the lower surface of the cleaning tank has a planar shape without protrusion of the cleaning pump, restrictions on the shape of components such as a heater can be reduced, and the lower surface of the cleaning tank can be easily cleaned.

According to the second aspect of the present invention, since the washing tank made of stainless steel plate is provided, and the washing pump and the drain pump are arranged outside the back of the washing tank, the washing pump and the drain pump are connected. By placing it outside the back of the washing tank,
By increasing the depth dimension, which has relatively few dimensional restrictions, the inner volume of the washing tank can be increased without increasing the width of the product and without increasing the height of the product.

According to the third aspect of the present invention, there is provided a control unit for controlling a cleaning pump, a drain pump, and the like, and the control unit is provided near at least one of the cleaning pump and the drain pump. Therefore, the wiring between the control unit and the pump can be shortened, and the cost can be reduced.

According to the fourth aspect of the present invention, since the control unit is disposed on the back plate forming the back outer shell of the dishwasher main body, when the back plate is removed from the dishwasher main unit, the control unit is controlled. Parts, cleaning pumps and drainage pumps can be easily checked, maintenance workability can be improved, and wiring can be shortened by consolidating electrical components, further reducing costs. it can.

According to the fifth aspect of the present invention, there is provided an outer box having a substantially rectangular parallelepiped shape and a cleaning tank, and the cleaning pump and the drain pump are disposed on one of the short sides of the substantially rectangular parallelepiped shape. As a result, the gap between the washing tank and the outer box in the width and height directions was minimized by arranging large-capacity pumps on the back of the dishwasher body, using a vertically elongated dishwasher. The width of the product can be reduced, the height can be reduced, and the inner volume of the cleaning tank can be secured.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing an arrangement of a pump and the like of a dishwasher according to one embodiment of the present invention.

FIG. 2 is a vertical sectional view of the dishwasher.

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

[Explanation of symbols]

 17 Cleaning tank 18 Cleaning pump 19 Drain pump

Claims (5)

[Claims] 1. A cleaning tank, comprising: a cleaning pump for discharging cleaning water into the cleaning tank; and a drain pump for discharging the cleaning water from the cleaning tank to the outside of the machine. A dishwasher disposed outside the horizontal projection plane of the washing tank. 2. The dishwasher according to claim 1, further comprising a washing tank made of a stainless steel plate, wherein a washing pump and a drainage pump are arranged outside the back of the washing tank. 3. A control unit for controlling a cleaning pump, a drain pump, and the like, wherein the control unit is provided near at least one of the cleaning pump and the drain pump.
Or the dishwasher according to 2. 4. The dishwasher according to claim 1, wherein the control unit is disposed on a back plate forming a back shell of the dishwasher main body. 5. A cuboid outer box and a washing tank,
The dishwasher according to any one of claims 1 to 4, wherein the washing pump and the drainage pump are disposed on one of the short sides of the substantially rectangular parallelepiped.