JP2000166849A - Tableware washing and drying machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To save washing water and rinsing water without limiting the sizes of tableware, when a small amount of tableware are washed. SOLUTION: A partition plate 12 which can partition a washing tank 1 into upper and lower chambers at an arbitrary height and a cylindrical nozzle 8 equipped with a nozzle height regulating means 9 which can regulate the height are provided. The height of the partition plate 12 is regulated in a manner so as to adjust to the height when tableware which become washing objectives are set in the lower chamber of the washing tank 1, and the height of the cylindrical nozzle 8 is regulated in a manner so as to make it lower in the height than that of the partition plate 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a dishwasher and dryer.

[0002]

2. Description of the Related Art Conventionally, this type of dishwasher / dryer is disclosed in
No.-329 was generally used. In this apparatus, as shown in FIG. 8, the cleaning tank is divided into two upper and lower chambers, a cleaning water blowing section 50 is provided in each of the upper and lower chambers, and a boundary 53 between the upper and lower chambers 51 and 52 is partitioned to form a cleaning object. When there are few dishes, the upper and lower rooms 51
It has been known that only one of the chambers 52 and 52 can be used so that washing and rinsing water can be saved.

[0003]

However, in the above-mentioned conventional dishwasher / dryer, since the height of the boundary between the upper and lower compartments is constant, large dishes may not enter any of the upper and lower compartments. Also, there is a problem that the usability is poor such that washing water and rinsing water are not saved much when small dishes are set.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a partition plate capable of partitioning a washing tank into upper and lower chambers at an arbitrary height, and a cylindrical nozzle whose height can be adjusted. It was decided that.

According to the present invention, the height of the partition plate is adjusted according to the height of the tableware to be washed in the lower chamber of the washing tank, and the height of the partition plate becomes lower than the height of the partition plate. By adjusting the height of the cylindrical nozzle at the same time, dishwashing can be efficiently rinsed and rinsed according to the size of the tableware to be washed, so that washing water and rinse water can be saved without extra waste. .

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention can be embodied in the configurations and embodiments described in the respective claims. The following mainly describes the functions of the configurations in the respective claims.

The invention according to claim 1 has a partition plate which can divide a washing tank into upper and lower two chambers at an arbitrary height, and a cylindrical nozzle whose height can be adjusted. By adjusting the height of the partition plate according to the height when it is set in the lower chamber of the washing tank, and adjusting the height of the cylindrical nozzle so that it is lower than the height of the partition plate,
In dishwashing, washing and rinsing can be efficiently performed according to the size of the dish, and it is not necessary to select a dish of the same size from the dishes to be washed, and washing water and rinsing water can be saved.

According to a second aspect of the present invention, when the cylindrical nozzle is erected at the center of the rotary arm nozzle, and the tip is fixed to the lower surface of the partition plate, the cylindrical nozzle and the rotating nozzle are fixed. The rotation operation of the arm nozzle is stopped, and the rotation operation of the cylindrical nozzle and the rotation nozzle can be performed when the nozzle fixing portion is not fixed.

Therefore, the rotation of the rotary arm nozzle is stopped by fixing the tip of the cylindrical nozzle to the lower surface of the partition plate, the spray direction of the washing water is limited, and a small amount of tableware is set at that position. Washing water and rinsing water can be saved.

In the case where only the tableware set at a low position in the washing tank is washed by the nozzle fixing portion closing the fountain opening at the tip of the cylindrical nozzle as in the invention according to claim 3 of the present invention. In addition, the fountain port at the tip of the cylindrical nozzle for washing tableware set at a high position in the washing tank is closed, so that useless washing water can be eliminated and efficient washing can be performed.

According to a fourth aspect of the present invention, the rotary arm nozzle is provided with a rotatable second arm nozzle at an end of the first arm nozzle, so that the tip of the cylindrical nozzle is formed. When the rotation is stopped by being fixed on the lower surface of the partition plate, the rotation of the first arm nozzle fixed at the center to the cylindrical nozzle is also stopped, but the second arm nozzle is rotatably attached to the end. Since there is nothing to restrict the movement, the washing water is rotated at that position, and the washing water is jetted uniformly within the range while limiting the jetting direction of the washing water, so that a small amount of tableware can be washed clean with a small amount of washing water.

Further, by providing the inlets for the drying air above and below the washing tank as in the fifth aspect of the present invention, while the tableware is being washed in the lower chamber of the washing tank, another in the upper chamber. Tableware can be dried and time can be used effectively.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific examples of the above embodiment will be described below in detail with reference to the drawings.

(Embodiment 1) FIG. 1 is a longitudinal sectional view of a dishwasher / dryer according to Embodiment 1 of the present invention.

In the figure, a pump 3 for discharging cleaning water through a water suction pipe 2 is provided at the bottom of the cleaning tank 1.
A water supply pipe 4 communicating with the pump 3 is provided upright in the washing tank 1, and a rotary arm nozzle 5 is rotatably attached to the water supply pipe 4. The rotary arm nozzle 5 has a large number of fountain ports 6 only at the upper part of the arm, and rotates by the jet reaction force while jetting the washing water supplied from the pump 3 through the water supply pipe 4 upward from the fountain port 6. It is supposed to be. Just above the rotary arm nozzle 5, the tableware basket 7 is accommodated so as to be taken out.

The cylindrical nozzle 8 erected from the center of the rotary arm nozzle 5 has a nozzle height adjusting means 9 capable of adjusting the height thereof, and is housed at the tip of the nozzle so as to be able to be taken out above the washing tank 1. A fountain port 11 for injecting washing water toward the arranged tableware basket 10 is provided. Reference numeral 12 denotes a partition plate for partitioning the washing tank 1 into upper and lower portions, which can be installed at any height from the plurality of partition plate receiving portions 13 so as to be removable therefrom.

FIG. 2 shows a connecting portion of the nozzle height adjusting means 9 of the cylindrical nozzle 8. The upper water supply pipe 14 has a smaller diameter than the lower water supply pipe 15 and is inserted into the lower water supply pipe 15 so as to be able to move up and down. The lower water supply pipe 15 has a male screw 16 on the outer circumference.
Is engraved.

The nozzle height adjusting means 9 is provided with a friction ring 17 made of a high friction member such as rubber inserted inside the upper end of the lower water supply pipe 15 and screwed onto the male screw 16 by covering the friction ring 17 from above. And a tightening ring 19 engraved on the inner periphery of the inner water supply pipe 18. After the upper water supply pipe 14 is raised and lowered to a desired height position, the tightening ring 19 is rotated to operate the female screw 18 and the male screw 1.
The position of the cylindrical nozzle 8 can be adjusted up and down by deepening the screwing with the nozzle 6.

Next, the operation and operation will be described. When only the relatively small dishes 20 to be washed as shown in FIG. 1 are to be washed, the height of the cylindrical nozzle 8 is reduced by adjusting the nozzle height adjusting means 9 so that the partition plate 13 is partitioned at a lower position. The plate 12 is set and washed.

As shown in FIG. 3, when cleaning the relatively large tableware 15, the nozzle height adjusting means 9 is adjusted to increase the height of the cylindrical nozzle 8, and the partition plate receiving portion is provided. The partition plate 12 is set at a high position of 13 and washed.

If there are many dishes to be washed, the partition plate 12 is removed from the washing tank 1, the dishes to be washed are set in both the dish basket 7 and the dish basket 10, and the nozzle height adjusting means 9 is adjusted. The cylindrical nozzle 8 is extended to a position immediately below the tableware basket 10 for cleaning.

As described above, in the configuration of this embodiment, when the number of dishes to be washed is small, the height of the cylindrical nozzle 8 and the position at which the partition plate 12 is set are adjusted according to the size of the dishes to be washed. Therefore, efficient cleaning can be performed with a small amount of cleaning water.

(Embodiment 2) FIG. 4 is a sectional view of a principal part of a fixed portion of a cylindrical nozzle and a partition plate of a dishwasher according to a second embodiment of the present invention. 22 is male screw 2
3 is a cylindrical nozzle having a fountain port 24. The cleaning tank 1 is divided into upper and lower chambers.
2 is a partition plate having a nozzle fixing portion 26 for fixing the nozzle 2. The nozzle fixing portion 26 has a female screw 27 on the inner periphery thereof, which is screwed with the male screw 23 of the cylindrical nozzle 22 to stop the rotation operation of the rotary arm nozzle (not shown).

Next, the operation and operation will be described. When the male screw 23 of the cylindrical nozzle 22 and the female screw 27 of the nozzle fixing portion 26 are screwed together, the rotation of the rotary arm nozzle fixedly attached to the cylindrical nozzle 22 stops. . When the rotary arm nozzle stops, the position of the fountain port (not shown) of the rotary arm nozzle is also fixed, so that a relatively small tableware to be washed can be set in a dish basket so as to be directly above the fountain port of the rotary arm nozzle. In addition, washing water is not sprayed to places where tableware is not set, and efficient washing can be performed with less washing liquid.

(Embodiment 3) FIG. 5 is a sectional view of a principal part of a fixed portion of a cylindrical nozzle and a partition plate of a dishwasher in a third embodiment according to the present invention. The difference from the second embodiment is that the nozzle fixing portion 28 blocks the fountain port 30 of the cylindrical nozzle 29.

Next, the operation and operation will be described. The fountain port 30 of the cylindrical nozzle 29 is for injecting washing water toward a tableware basket removably housed and arranged above the washing tank. A small amount of tableware is put in a basket set in the lower chamber of the washing tank for washing. If no tableware is put in the table basket set in the upper chamber of the washing tank, washing water fountain from the fountain port 30 is wasted. Would. Therefore, nozzle fixing part 2
8 closes the fountain port 30 of the cylindrical nozzle 29, so that unnecessary washing water can be eliminated. Note that in FIG.
Reference numeral 1 denotes a partition plate, 32 denotes a male screw, and 33 denotes a female screw, and has the same operation as the partition plate 25, the male screw 23, and the female screw 27 in the second embodiment.

(Embodiment 4) FIG. 6 is a longitudinal sectional view of a dishwasher / dryer according to Embodiment 4 of the present invention.
The difference from the second embodiment is that the second arm nozzle 35 is rotatably attached to the end of the first arm nozzle 34.

The same components as those in the first embodiment are denoted by the same reference numerals, and detailed description is omitted.

Operation of the dishwasher and dryer in the fourth embodiment,
The operation will be described. When the tip of the cylindrical nozzle 8 is fixed by the nozzle fixing portion 36 and the rotation is stopped, the rotation of the first arm nozzle 34 fixed to the center and fixed to the cylindrical nozzle is also stopped. However, since the second arm nozzle 35 rotatably disposed at the end thereof has no restriction on its movement, the second arm nozzle 35 rotates by the jet reaction force, and the rotation locus of the fountain port 37 disposed above the second arm nozzle 35 Is uniformly washed. While limiting the ejection range of the fountain port 37, a small amount of dishwashing in the ejection range can be reliably performed without washing.

(Embodiment 5) FIG. 7 is a longitudinal sectional view of a dishwasher in a fifth embodiment of the present invention.
The same components as those in the first embodiment are denoted by the same reference numerals, and detailed description is omitted.

In FIG. 7, reference numeral 38 designates an intake fan for introducing air for drying dishes, and 39 designates an intake filter for removing dust and dirt contained in the intake air. Is an intake pipe through which air introduced by the intake fan 38 passes, and 41 is an intake pipe 40
This is an air supply port for introducing air from the washing tank 1 into the washing tank 1, and is provided in the upper chamber and the lower chamber of the washing tank 1 defined by the partition plate 12. Reference numeral 42 denotes an exhaust port for discharging moisture-containing air in the cleaning tank 1;
Is an exhaust pipe for exhausting exhaust gas from the exhaust port 42 to the outside of the dishwasher main body. By operating the intake fan 38, air is introduced into the washing tank 1, and the air in the washing tank 1 containing moisture is discharged to the outside of the washing tank 1, whereby the washed dishes can be dried.

Next, the operation and operation will be described. The supply port 41 and the exhaust port 42 are provided with the partition plate 12 in the lower chamber 44 of the cleaning tank and the upper chamber 45 of the cleaning tank, respectively.
If the intake fan 38 is operated while the dishes are being washed in the lower chamber 44, the upper chamber 45 can be used as a drying chamber. Since the washing and drying of the dishes can be performed at the same time, the time can be effectively used, and the usability is further improved.

[0033]

As described above, according to the first aspect of the present invention, the washing tank is provided with a partition plate capable of vertically dividing the washing tank at an arbitrary height and a cylindrical nozzle capable of freely adjusting the height. Therefore, adjust the height of the partition plate according to the height when the tableware to be washed is set in the lower chamber of the washing tank, and adjust the height of the cylindrical nozzle so that it is lower than the height of the partition plate. The adjustment has the advantageous effect that washing water and rinsing water can be saved when only a small amount of dishes of various sizes are washed.

According to the second aspect of the present invention, the rotation of the rotary arm nozzle is stopped by fixing the tip of the cylindrical nozzle to the lower surface of the partition plate, and the spray direction of the washing water is limited. Setting a small amount of tableware at a position directly above has an advantageous effect that washing water and rinsing water can be more saved.

Further, according to the third aspect of the present invention, the nozzle fixing portion is configured to close the fountain port at the tip of the cylindrical nozzle, so that only the tableware set at a low position in the washing tank is washed. By closing the fountain port at the tip of the cylindrical nozzle for washing tableware set at a high position in the tank, there is an advantageous effect that wasteful use of washing water can be eliminated and efficient washing can be performed.

According to the fourth aspect of the present invention, since the rotatable second arm nozzle is disposed at the end of the first arm nozzle, the tip of the cylindrical nozzle is partitioned. Even if the rotation of the first arm nozzle is stopped by being fixed on the lower surface of the plate, the second arm nozzle rotates and sprays the wash water uniformly within the range while limiting the spray direction of the wash water, This has an advantageous effect that a small amount of tableware can be washed cleanly with a small amount of washing water without leaving any residue.

According to the fifth aspect of the present invention, the inlets for the drying air are provided above and below the washing tank, respectively, and while the dishes are being washed in the lower chamber of the washing tank, another dish is set in the upper chamber. Has an advantageous effect that it can be dried and the time can be effectively utilized.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a dishwasher and dryer in a first embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of an essential part showing a coupling portion of a height adjusting means of a cylindrical nozzle.

FIG. 3 is a vertical sectional view of the dishwasher in the large dishwashing state.

FIG. 4 is an enlarged cross-sectional view of an essential part of a fixed portion between a cylindrical nozzle and a partition plate according to a second embodiment of the present invention.

FIG. 5 is an enlarged cross-sectional view of an essential part of a fixed portion between a cylindrical nozzle and a partition plate according to a third embodiment of the present invention.

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 and dryer.

[Explanation of symbols]

 Reference Signs List 8 cylindrical nozzle 9 nozzle height adjusting means 12 partition plate 13 partition plate receiving part 14 upper water supply pipe 15 lower water supply pipe 16, 23, 32 male screw 17 friction ring 18, 27, 33 female screw 19 tightening ring 22, 29 cylinder Nozzle 25, 31 Partition plate 26, 28, 36 Nozzle fixing part 24, 30, 37 Fountain port 34 First arm nozzle 35 Second arm nozzle 39 Intake filter 38 Intake fan 40 Intake pipe 41 Intake port 42 Exhaust port 43 Exhaust pipe 44 Lower chamber 45 Upper chamber

Claims (5)

[Claims] 1. A plurality of tableware baskets for placing dishes to be washed at predetermined positions in a washing tank, a cylindrical nozzle for spraying a washing liquid onto the dishes to be washed, a pump for supplying a washing liquid to the cylindrical nozzle, and a washing machine. In a dishwasher provided with a partition plate for partitioning the inside of a tank into a plurality of upper and lower chambers, the partition plate can partition the height of each of the upper and lower chambers formed by partitioning into an arbitrary height, and a washing tank. The cylindrical nozzle has a fountain port, can move up and down freely, and has a dish height adjusting means capable of freely adjusting its height. Machine. The cylindrical nozzle is vertically erected at the center of a rotary arm nozzle disposed below the washing tank, and is attached to and detached from the tip of the cylindrical nozzle on the lower surface of the partition plate. A free nozzle fixing portion is provided, when the tip of the cylindrical nozzle is fixed by the nozzle fixing portion, the rotary arm nozzle is fixed, and when the nozzle fixing portion does not fix the tip of the cylindrical nozzle. The dishwasher / dryer according to claim 1, wherein the rotary arm nozzle is configured to rotate. 3. The dishwashing and drying apparatus according to claim 2, wherein the nozzle fixing portion closes a fountain port provided at the tip of the cylindrical nozzle when the nozzle fixing portion fixes the tip of the cylindrical nozzle. Machine. 4. A second rotating arm nozzle rotatably disposed at an end of the first rotating arm nozzle and an end of the first rotating arm nozzle irrespective of movement of the first rotating arm nozzle. The dishwasher / dryer according to claim 2, further comprising an arm nozzle. 5. The dishwasher / dryer according to claim 1, wherein when the washing tank is partitioned into a plurality of upper and lower chambers by a partition plate, inlets through which drying air flows into the upper chamber and the lower chamber are provided.