JP3162920B2 - 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 capable of suitably preventing small pieces from entering a drain for draining a washing liquid.

[0002]

2. Description of the Related Art An example of a conventional dishwasher will be described with reference to FIGS. 3, 4 and 5. FIG. As shown in FIG. 3, the dishwasher 100 has a casing 101, and a washing chamber 102 in which a dish rack 103 containing tableware is set is provided above the casing 101. Cleaning room 10
2 is provided with a washing shower 104 for spraying washing water toward the dish rack 103 and a rinsing shower 105 for spraying rinsing water.
That is, below the cleaning chamber 102, a cleaning tank 106 for collecting and storing the cleaning water injected by the cleaning shower 104 and the rinsing water injected by the rinsing shower 105 is provided. The cleaning tank 106 has a cylindrical filtration part 107 forming a filtration space S1 at the bottom thereof. The filtration part 107 is provided with a drain port 108 at the center of the bottom and a pump at the side part. An inlet 109 is provided. A drain valve 110 is connected to the drain port 108, and a cleaning liquid stored in the cleaning bath 106 is supplied to the pump suction port 109 by the cleaning shower 104.
Is provided with a cleaning pump 111 for pressure feeding.

As shown in FIG. 4, a strainer 112 for filtering the washing liquid flowing into the pump suction port 109 is provided in the filtration unit 107.
2 has a cylindrical body 112a provided with a large number of holes. The upper opening end of the cylindrical body 112a is enlarged in a trumpet shape, and the upper opening end is fitted to the upper opening end of the filtration unit 107. The lower opening end of the cylindrical body 112a is in contact with the bottom surface of the filtration unit 107.
2c, as shown in FIG.
And is provided so as to have a donut-shaped gap with the inner wall of the cylindrical body 112a.

[0004]

However, in the conventional dishwashing machine 100, pieces of tableware or small pieces of small tableware such as chopstick rests fall into the washing tank 106 by any chance and are filtered.
7, the small piece falls to the bottom of the filtration unit 107 through the gap between the baffle plate 112c of the strainer 112 and the cylindrical body 112a, and then the baffle plate is opened by the water flow when the drain valve 110 is opened. There is a disadvantage that the water enters the drain 108 through a gap between the bottom 112c and the bottom 112c and causes a failure of the drain valve 110 provided in the drain 108.

[0005] In view of the above circumstances, it is an object of the present invention to provide a dishwasher capable of suitably preventing small pieces from entering a drain port for draining a washing liquid.

[0006]

According to a first aspect of the present invention, there is provided a dishwasher, comprising: a washing room in which a dish rack accommodating dishes is set; a washing shower for jetting washing water toward the dish rack; A rinsing shower that sprays rinsing water toward the rack, and a cleaning tank that is provided below the cleaning chamber and collects and stores the cleaning water injected by the cleaning shower and the rinsing water injected by the rinsing shower. A filtration unit provided at the bottom of the washing tank to form a filtration space; a drain valve connected to a drain provided at the bottom of the filtration unit; and a pump suction port provided at the filtration unit. A cleaning pump for pumping the cleaning water stored in the cleaning tank to the cleaning shower; and a cage provided in the filtration unit for filtering the cleaning water flowing into the pump suction port. Tableware A purification apparatus, the Kagotai has a number of pores, the Kagotai is and attachable to said filter unit so as to isolate the pump inlet side of the filtration unit and the cleaning tank side A hole is provided at the bottom of the basket so as to communicate with a drain port provided at the bottom of the filter, and a vertical slit is formed around the hole.
The formed substantially cylindrical edge plate is erected, and a baffle plate is provided at a position in the basket facing the hole.

[0007]

According to the dishwasher according to the first aspect, if a piece of tableware or a small piece of small tableware such as a chopstick rest falls into the washing tank and enters the filtering section, it should be removed. The small pieces enter the inside of the strainer basket mounted in the filtration unit. When the small piece falls toward the hole provided at the bottom of the basket of the strainer, the small piece can be prevented from entering the hole by the baffle plate. Also, when a small piece that has fallen to the bottom of the strainer attempts to enter the hole from the gap between the baffle plate and the bottom due to water flow such as when the drain valve is opened, the edge plate set up around the hole The intrusion can be prevented.

[0008] Further, since the strainer is detachable from the filtering section, small pieces entering the strainer can be easily removed by removing the strainer from the filtering section.

[0009]

An embodiment of the present invention will be described below with reference to the drawings. The same parts as those of the conventional dishwasher shown in FIG. 3 are denoted by the same reference numerals, and description thereof will be omitted. As shown in FIG. 1, a strainer 50 for filtering the cleaning liquid flowing into the pump suction port 109 is provided in the filtration unit 107 so as to isolate the pump suction port 109 side of the filtration unit 107 from the cleaning tank 106 side. That is, the strainer 5
0 has a cage 10 with a number of pores.

The cage body 10 has a cylindrical upper end tube 1 whose diameter is increased in a trumpet shape upward, a central tube 2 connected to the lower end of the upper end tube 1 and formed with a large number of pores, A bottom plate 3 is provided so as to close a lower opening end of the tube 2, and the upper tube 1 is detachably fitted to an upper opening end of the filtration unit 107. A gripping rod 4 is horizontally installed in the upper end cylinder 1, and a hole 3 a penetrating in the vertical direction is formed in the center of the bottom plate 3.
Is in contact with the bottom of the filtration unit 107 so as to communicate with the drain port 108 of the filtration unit 107.

As shown in FIG. 2, around the hole 3a of the bottom plate 3 of the strainer 50, six arc-shaped curved edge plates 3b are provided in a cylindrical shape so as to face upward, and are adjacent to each other. A slit is formed between the edge plates 3b. The edge plate 3b is formed by bending an edge of the bottom plate 3 on the hole 3a side upward.

Since the strainer 50 and the like have the above-described configuration, first, as shown in FIG. 1, the cleaning liquid stored in the cleaning tank 106 is applied to a large number of the central cylinder 2 of the strainer 50 provided in the filtration unit 107. Since the cleaning liquid flows into the pump suction port 109 through the fine holes, the cleaning liquid can be suitably filtered. Then, the filtered washing liquid can be reused.

Next, pieces of tableware or small pieces of tableware such as chopstick rests fall into the washing tank 106 by any chance and are filtered.
07, since the upper end cylinder 1 of the strainer 50 provided in the filtration unit 107 is fitted to the upper open end of the filtration unit 107, the small piece is
0 enters the inside of the cage 10. When the small piece falls toward the hole 3a provided in the bottom plate 3 of the basket 10 of the strainer 50, the baffle plate 1 is placed above the hole 3a.
Since the holes 2 are provided so as to cover the holes 3a, entry of small pieces into the holes 3a can be prevented by the baffle plate 12.

Further, when small pieces falling on the bottom plate 3 of the basket body 10 of the strainer 50 flow toward the hole 3a from the gap between the baffle plate 12 and the bottom plate 3 due to a water flow such as when the drain valve 110 is opened. Is an edge plate 3b erected around the hole 3a.
Thereby, intrusion into the hole 3a can be prevented.

Accordingly, if a piece of tableware or a small piece of small tableware such as a chopstick rest falls into the washing tank 106 and enters the filtration unit 107, the small piece is removed from the strainer 50.
The strainer 50 can prevent small pieces from escaping from the holes 3a of the bottom plate 3 of the strainer 50 by the baffle plate 12 and the edge plate 3b. Therefore, the filtration unit 10 communicating with the hole 3a of the strainer 50
7 can be suitably prevented from entering the discharge port 108. Therefore, it is possible to prevent breakdown due to small pieces entering the drain valve 110 from the drain port 108.

The strainer 50 has its bottom plate 3 in contact with the bottom of the filter 107 and its upper end tube 1 is removably fitted to the upper open end of the filter 107, whereby the inside of the filter 107 is removed. , Can be easily removed from the filter 107 by grasping the grasping rod 4 provided on the upper end cylinder 1 and pulling it upward. Therefore, the small pieces that have entered the strainer 50 can be easily removed by removing the strainer 50 from the filtration unit 107.

[0017]

According to the dishwasher according to the first aspect of the present invention, pieces of tableware or small pieces of small tableware such as chopstick rests,
When it falls into the washing tank and enters the filtration section, the small pieces can be caught in the strainer.
The baffle and edge plate prevent the small pieces from escaping through the hole at the bottom of the strainer. Therefore, it is possible to preferably prevent small pieces from entering the discharge port of the filtration unit communicating with the hole of the strainer.

Further, since the strainer is detachable from the filtration unit, small pieces entering the strainer can be easily removed by removing the strainer from the filtration unit.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing an embodiment of a strainer of a dishwasher according to the present invention.

FIG. 2 is a plan view showing the strainer of FIG.

FIG. 3 is a diagram showing an example of a conventional dishwasher.

FIG. 4 is a side sectional view showing an example of a strainer of a conventional dishwasher.

FIG. 5 is a plan view showing the strainer of FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 3 ... Bottom plate (bottom part) 3a ... Hole 3b ... Edge plate 10 ... Cage body 12 ... Baffle plate 50 ... Strainer 100 ... Dishwasher 102 ... Washing room 103 ... Dishware rack 104 ... Washing shower 105 ... Rinsing shower 106 ... Washing tank 107 ... Filtration unit 108 ... Drain port 109 ... Pump suction port 110 ... Drain valve 111 ... Washing pump 112 ... Strainer S1 ... Filtration space

Claims (1)

(57) [Claims] A washing room in which a dish rack containing tableware is set; a washing shower for spraying washing water toward the dish rack; a rinsing shower for spraying rinsing water toward the dish rack; A washing tank provided below the washing chamber for collecting and storing the washing water jetted by the washing shower and the rinsing water jetted by the rinsing shower; and a washing space provided at the bottom of the washing tank to form a filtration space. A filtration unit, a drain valve connected to a drain port provided at the bottom of the filtration unit, and a pump suction port provided at the filtration unit, for cleaning the hot water stored in the cleaning tank. a washing pump for pumping the shower, provided in the filtration portion, a dishwasher and a Kagotai for filtering wash water flowing into the pump inlet, the Kagotai may have a large number of pores And before The basket body is provided in the filtration unit so as to be separated from the pump suction port side of the filtration unit side and the washing tank side and detachable from the filtration unit. A hole communicating with a drain port provided at the bottom of the portion is provided, and a substantially vertical slit having a vertical slit formed around the hole.
A dishwasher, wherein a baffle plate is provided at a position facing the hole in the basket body, wherein an edge plate having a rectangular shape is provided upright.