JP2001204675A - Dish washer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dish washer which can exert enough washing performance by dissolving a detergent put into a detergent container rapidly without leaving behind an undissolved part. SOLUTION: The detergent container consists of a detergent housing section which is opened in an upper face and a plurality of through holes formed in the bottom of the detergent housing section. Each of the though holes is formed in a tapered shape with the diameter enlarged toward the lower part.

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 washing water is spouted from a washing nozzle toward tableware to remove dirt.

[0002]

2. Description of the Related Art FIG. 9 is a longitudinal sectional view showing a conventional dishwasher disclosed in, for example, JP-A-2-302241. In FIG. 9, reference numeral 1 denotes a dishwasher main body, which forms a washing tank 3 having an opening / closing door 2. Reference numeral 4 denotes a washing nozzle rotatably provided at the bottom of the washing tank 3 and reference numeral 5 denotes a circulation pump provided at the outer bottom of the washing tank 3. The suction side is connected to the bottom of the washing tank 3 and the discharge side is a washing nozzle. 4 is connected. Reference numeral 6 denotes a dish basket for holding tableware 7 such as a bowl, a dish, etc., which is disposed above the washing nozzle 4 in the washing tank 3 so as to be freely inserted and removed, and 8 is a detergent container attached to a side of the dish basket 6. Thus, the upper surface is inclined so that the front end faces downward in the cleaning tank 3. Reference numeral 9 denotes a heater for heating the cleaning water disposed at the bottom of the cleaning tank 3, reference numeral 10 denotes a residue filter detachably disposed on the suction side of the circulation pump 5, and reference numeral 11 denotes a water supply for supplying water or hot water for cleaning into the cleaning tank 3. It is a valve.

Next, the operation of the conventional device will be described. The tableware 7 is arranged in the tableware basket 6, the detergent is put in the detergent container 8, the opening / closing door 2 is closed, the water supply valve 11 is opened, and the washing tank 3 is supplied with a predetermined amount of washing water. Thereafter, when the cleaning water is water, the heater 9 is energized and heated, and when the temperature reaches a predetermined temperature, the circulation pump 5 is driven. When the circulation pump 5 is driven, the cleaning water is pressurized by the circulation pump 5 and spouts from the cleaning nozzle 4 into the cleaning tank 3. At the same time, the washing nozzle 4 is rotated by the recoil at the time of the ejection of the washing water, and the washing water uniformly falls toward the tableware 7 located above the washing nozzle.
Further, the washing water is also applied to the detergent container 8, and the powder detergent placed on the upper surface thereof is dissolved and flows into the washing water. After that,
Cleaning water containing detergent is continuously jetted from the cleaning nozzle 4 by the circulation pump 5, and the cleaning operation of the tableware 7 is performed for a predetermined time.

[0004]

As described above, according to the conventional dishwasher, the detergent in the detergent container is dissolved by flowing down the washing water jetted from the washing nozzle.
Normally, the detergent tank is located above the washing nozzle, so most of the washing water hits the bottom of the detergent tank from below and does not directly contact the detergent on the upper surface, resulting in sufficient detergent in the washing water. There is a problem that the washing performance is lowered without being dissolved. The present invention has been made to solve such a problem, and an object of the present invention is to provide a dishwasher capable of quickly dissolving a detergent without waste and exhibiting sufficient cleaning performance.

[0005]

DISCLOSURE OF THE INVENTION A dishwasher according to the present invention comprises a washing tank, a tableware provided freely in and out of the washing tank, and washing water directed toward the tableware arranged in the tableware basket. A washing nozzle that jets out and a detergent container that is provided at a position where the washing water in the washing tank falls and has a detergent storage portion that is open at least in the upper part, and the detergent container has a plurality of transparent containers on the bottom surface of the detergent storage portion. A hole is provided, and the peripheral surface of each through hole is formed in a tapered shape so that the hole diameter increases downward.

[0006] Further, a washing tank, a tableware provided so as to be able to be taken in and out of the washing tank, a washing nozzle for jetting washing water toward the dishes arranged in the tableware basket, and a washing water in the washing tank. And a detergent container having a detergent storage portion which is installed at a position where the washing machine is lowered and has at least an upper portion opened. The detergent container has a plurality of slit-shaped through holes on a bottom surface of the detergent storage portion, and a side surface of each of the through holes. Are formed in a tapered shape so that the width of the hole increases toward the bottom.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 is a perspective view of a dishwasher according to a first embodiment of the present invention, FIG. 2 is a vertical sectional view of the dishwasher, FIG. 3 is a sectional view of a main part of the dishwasher, and FIG. 5 is a plan view of the same detergent container, and FIG. 6 is a cross-sectional view taken along the line AA of FIG. In FIG. 1, a dishwasher main body 1 is integrally incorporated in a sink unit 2, and an operation unit 3 is arranged on a front surface.
The cleaning tank 4 has an upper surface opened and a rear part covered with a lid 5 hingedly connected so as to be freely opened and closed. As shown in FIG. 2, two cleaning nozzles 6 each having a disk shape are disposed on the inner bottom and one on the side of the cleaning tank 4, and each of the cleaning nozzles 6 is connected to the discharge side of the circulation pump 7. The water supply pipe 8 is disposed in parallel with the bottom of the cleaning tank 4 and the water supply pipe 9 is disposed in parallel with the outside of the side wall of the cleaning tank 4 so as to be connected to and freely rotatable.

On the other hand, the suction side of the circulation pump 7 is communicated with the bottom of the washing tank 4 to suck the washing water at the bottom of the washing tank, and through the water pipes 8 and 9 upward from the washing nozzle 6 at the inner bottom. , And vigorously blows laterally from the cleaning nozzle 6 on the side. At this time, each of the cleaning nozzles 6 rotates in reaction to the ejection of the cleaning water. In the washing tank 4, a tableware basket 11 on which a tableware 10 is placed is positioned above the inner bottom washing nozzle 6 and beside the side washing nozzle 6 so as to be freely put in and out. The end of a water supply pipe 12 connected to a water pipe or a water heater (not shown) is opened at one end of the side wall of the cleaning tank 4, and the cleaning water is supplied into the cleaning tank 4 by opening and closing a water supply valve 13. Further, a detergent container 14 for accommodating a powdered detergent is provided at the tip of the water supply pipe 12 in a detachable manner. The detergent container 14 includes a detergent accommodating portion 14a and a tubular portion 14b for attachment to the water supply pipe 12, and a pair of edges 14c formed in the tubular portion 14b by cutting out in a U-shape. The bottom surface 14e of the detergent accommodating portion 14a whose periphery is surrounded by the edge 14d is inclined forward, backward, left and right toward the inside of the washing tank 4.

Further, a bottom surface portion 14e of the detergent accommodating portion 14a.
Both ends of the edge of the lowest slope portion are partially notched, and a large number of through holes 15 are formed in the bottom surface portion 14e. The through hole 15 is formed in a trumpet shape (B <A) such that the peripheral surface expands in a tapered shape downward.
When the detergent container 14 is attached to the water supply pipe 12, the cylindrical portion 14 b covers the opening of the distal end of the water supply pipe 12, and has a function of flowing water along the wall surface of the washing tank 4. A heater 16 for heating the washing water and a residue filter 17 are provided at the bottom of the washing tank 4.
A drain pipe 19 having 8 is connected to the bottom of the washing tank 4.

Next, the operation of the first embodiment will be described. Lid 5
Is opened, the tableware 10 is arranged in the tableware basket 11, and a predetermined amount of powdered detergent is put into the detergent storage portion 14a of the detergent container 14,
Close the lid 5. In this state, when the washing course is selected by the operation unit 3 and the start button is pressed, the water supply valve 13 is opened and the washing tank 4 is opened.
A predetermined amount of washing water is supplied into the inside. The cleaning water collected at the bottom of the cleaning tank 4 is heated by energizing the heater 16 and when a predetermined temperature is reached, the circulation pump 7 starts operating. Through the nozzles 6, they are ejected upward and fall on the tableware 10.
The washing water simultaneously falls on the detergent container 14 from above and dissolves the detergent placed in the detergent accommodating portion 14a. In addition, a part of the washing water flows through a through hole 15 formed in the bottom of the detergent accommodating portion 14a.
Is guided by the tapered surface of the peripheral surface and passes therethrough, so that the detergent is also dissolved from below. On the other hand, the dissolved detergent flows on the inclined bottom surface of the detergent accommodating portion or flows out of the through hole 15 and flows into the washing water.

In this manner, the washing water in which the detergent is sufficiently dissolved is jetted from each nozzle 6 to wash the tableware 10. After a lapse of a predetermined time, the circulation pump 7 stops, and the drain valve 18 opens to drain the washing water through the drain pipe 19.
Thereafter, when the water supply valve 13 is opened again and new washing water is supplied into the washing tank 4, the circulating pump 7 is driven to perform a rinsing operation to drop the detergent attached to the dishes. After performing this rinsing operation several times, all the washing water is discharged, and the heater 16
To dry the dishes.

As described above, according to the first embodiment, the detergent put in the detergent container can be dissolved quickly and without waste by supplying the washing water from above and below, and the detergent can be contained in the washing water. Can be significantly improved.

Embodiment 2 FIG. FIG. 7 is a plan view of the detergent container according to Embodiment 2, and FIG. 8 is a cross-sectional view taken along the line BB of FIG. The basic configuration of the detergent container is the same as that of the first embodiment. However, in the second embodiment, a plurality of slit-shaped through holes 21 are formed in parallel on the bottom surface of the detergent storage portion 14a of the detergent container 14. At least the side surface of the through hole 21 is formed in a tapered shape such that the hole width at the lower end is larger than the hole width at the upper end.

As described above, according to the second embodiment,
When the washing water is ejected from the washing nozzle 6 by the driving of the circulation pump 7, the washing water falls on the powdered detergent put in the detergent container 14 from above, and at the same time, passes through the slit-shaped through hole guided by the tapered side surface. The washing water is applied to the detergent and dissolves the detergent from underneath. Therefore, the detergent placed in the detergent accommodating portion 14a of the detergent container 14 can be quickly dissolved without waste and included in the washing water, and the washing performance is improved.

[0015]

As described above, according to the present invention, a plurality of through-holes are provided in the detergent accommodating portion of the detergent container, and the peripheral surface of the through-hole is tapered so that the hole diameter increases downward. Since it is formed, the detergent put into the detergent container can be dissolved by the washing water falling from above the detergent storage part and the washing water guided through the tapered surface of the peripheral surface and passing through the through hole, so that the detergent is not wasted. It dissolves quickly and can improve the cleaning performance.

Further, a plurality of slit-shaped through-holes are provided in the detergent accommodating portion of the detergent container, and the side surfaces of the through-holes are formed in a tapered shape so that the width of the hole increases downward. The detergent put into the detergent container can be dissolved by the washing water that falls from above the detergent storage part and the washing water that is guided by the tapered surface and passes through the through-hole, and the detergent dissolves quickly without waste, improving the cleaning performance. You can do it.

[Brief description of the drawings]

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

FIG. 2 is a longitudinal sectional view of the dishwasher according to the first embodiment of the present invention.

FIG. 3 is a cross-sectional view of a main part of the dishwasher according to the first embodiment of the present invention.

FIG. 4 is a side view of the detergent container according to the first embodiment of the present invention.

FIG. 5 is a plan view of the detergent container according to the first embodiment of the present invention.

FIG. 6 is a sectional view taken along line AA of FIG. 5;

FIG. 7 is a side view of a detergent container according to the second embodiment of the present invention.

FIG. 8 is a sectional view taken along line BB of FIG. 7;

FIG. 9 is a longitudinal sectional view showing a conventional dishwasher.

[Explanation of symbols]

1 body, 2 sink unit, 3 operation unit, 4
Cleaning tank, 5 lid, 6 cleaning nozzle, 7 circulation pump, 8 water pipe, 9 water pipe, 10 dishes, 11
Tableware basket, 12 water supply pipe, 13 water supply valve, 14
Detergent container, 14a Detergent storage, 14b cylinder,
14c edge, 14d edge, 14e bottom part, 1
5 through holes, 16 heaters, 17 residue filter,
18 drain valve, 19 drain pipe, 21 through-hole

Claims (2)

[Claims] 1. A washing tank, a tableware provided so as to be able to be taken in and out of the washing tank, a washing nozzle for jetting washing water toward dishes arranged in the tableware basket, and a washing water in the washing tank And a detergent container having a detergent storage portion which is installed at a position where the container is lowered and has at least an upper portion opened.The detergent container is provided with a plurality of through-holes on a bottom surface of the detergent storage portion, and a peripheral surface of each of the through-holes is provided. A dishwasher characterized by being formed in a tapered shape so that a hole diameter increases downward. 2. A washing tank, a tableware provided so as to be able to be taken in and out of the washing tank, a washing nozzle for jetting washing water toward the dishes arranged in the tableware basket, and a washing water in the washing tank. And a detergent container having a detergent storage portion which is installed at a position where the washing machine is lowered and has at least an upper portion opened. The detergent container has a plurality of slit-shaped through holes on a bottom surface of the detergent storage portion, and a side surface of each of the through holes. The dishwasher is formed in a tapered shape so that the hole width increases toward the bottom.