JPH0433634A - Tableware washing machine - Google Patents

Abstract

PURPOSE:To sufficiently execute rinsing, and also, to eliminate water which remains behind in the rim of the bottom of Japanese-style tableware by injecting hot water (water) for pre-rinsing and hot water for regular rinsing to tableware, etc., and subsequently, injecting compressed air. CONSTITUTION:At the time water rinsing after regular washing for tableware, etc., a feed water pump 18 is operated, and also, hot water (water) is supplied to a rinsing nozzle 6, and injected from an injection port. In this case, the rinsing nozzle 6 is oscillate, rinsing hot water (water) is injected uniformly to the tableware, etc., and an adhering detergent is washed. Also, by a feed water pump 18, hot water in a rinsing boiler 21 is supplied to the rinsing nozzle 6, injected from the oscillating rinsing nozzle 6 in the same way as the case of water rinsing, and the tableware, etc., are rinsed by hot water, and become naturally to a state that they are dried more easily. Subsequently, a blower 28 is operated, compressed air is supplied to a water scattering nozzle 29 and injected downward, and also, a motor 30 is driven, and the water scattering nozzle 29 rotates in the horizontal plane. By injecting this air, moisture which remains behind in the tableware, etc., is blown off.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a device for cleaning tableware by spraying a cleaning liquid onto the tableware.

[Prior Art] As shown in, for example, Publication No. 35175/1983, a conventional dishwasher is provided with a cleaning nozzle inside a box body, and a cleaning liquid is applied from the cleaning nozzle to the dishes stored in the box body. After washing, tap water or lake water is sprayed from a separate rinsing nozzle to wash off the washing liquid adhering to the tableware.

[Problems to be Solved by the Invention] In the conventional dishwasher as described above, the washing liquid is sprayed onto the dishes, and then water or hot water is sprayed to wash off the washing liquid, so rinsing is insufficient. However, there is a problem that detergent and dirt may remain. Additionally, there is the problem that rinsing water remains in the thread bottoms (recesses on the outer bottom of the tableware) of Japanese tableware, especially tea bowls, soup bowls, hot water cups, etc., and even when dried, the hot water does not evaporate sufficiently, making it impossible to completely dry the tableware. There is.

This invention was made in order to solve the above-mentioned problems, and provides a dishwasher that can rinse thoroughly, remove moisture remaining on the thread bottoms of Japanese dishes, and speed up drying. The purpose is to provide.

[Means for Solving the Problems] The dishwasher according to the present invention supplies rinsing hot water (water) to the rinsing nozzle with the water supply pump, and then supplies rinsing hot water to the rinsing nozzle with the water supply pump, respectively. After that, the air forced from the blower is sprayed onto the tableware from a water spray nozzle.

[Function] In this invention, since the rinsing water (water) and the rinsing hot water are sprayed onto the tableware, the tableware is pre-rinsed with the rinsing water (water) and then rinsed with the hot water.

In addition, since the air forced from the blower is blown onto the tableware, any moisture remaining on the tableware is blown away.

[Embodiment] Fig. 1 and Fig. 2 are diagrams showing an embodiment of the present invention, in which Fig. 1 is an overall perspective view, and Fig. 2 is a piping diagram for explaining operation.

In Fig. 1, (1) is a box, which has an opening on the front, and a door (2) that opens and closes the opening is pivotally supported.

(3) is an upper basket that is stored in the box body (ll) and stores tableware to be washed; (4) is a lower basket that is also placed below the upper basket (3); (5) is a cleaning nozzle; (6)
The rinsing nozzles are two rinsing nozzles arranged in parallel with each other in the transverse direction, each having an upwardly opening injection port, and a total of four sets of rinsing nozzles are arranged below the upper basket (3) and the lower basket (4). (
7) is a gear fixed to one end of the cleaning nozzle (5) and the rinsing nozzle (6), (8) is an endless toothed belt wrapped around the four gears (7), and (9) is a crank. (10) is a rocking motor that reciprocates the toothed belt (8); is provided and communicates with a drain pipe (14) via a drain valve (13).(15) is a cleaning pump that communicates with the bottom of the cleaning tank (11) and sends out cleaning liquid; (16) is connected to the cleaning pump (15) and the heater (
16a) and a cleaning boiler that supplies hot water, (17
) is a water supply pipe connected to a water heater (not shown) or a water pipe, (18) is a water pump connected to the water supply pipe (17) and supplies rinsing hot water (water), and (19) is a water supply pump (
18) is a water stop valve connected to the water stop valve (20) is a water stop valve connected to the water stop valve (19)
(21) is a rinsing boiler connected to one outlet of the three-way valve (20) and has a built-in heater (21a) and supplies hot water for rinsing; (22) is a three-way valve (20) connected to the three-way valve (20);
) and the outlet side of the rinsing boiler (21).

(23) is a three-way valve connected to the outlet side of the rinsing boiler (21); (24) is a water supply port that is connected to one outlet of the three-way valve (23) and opens above the cleaning tank (11);
(25) is a rinse tank in which rinse is stored to improve the drying finish after rinsing, and (26) is a rinse tank (2
5) A rinse pump that sucks a certain amount of rinse inside and supplies it to the other outlet side of the three-way valve (23), (27) is the cleaning boiler (16), the other outlet of the three-way valve (23), and the cleaning nozzle. (5) and a distributor connected to the rinsing nozzle (6), (28) a blower that sucks the air inside the box (1) and pumps it, (29) the upper part inside the box (1). A water spray nozzle (31) is located on the door (2) and rotates in a horizontal plane by a motor (30), and is connected to a blower (28) and sprays compressed air downward. The detergent container (32) is attached to the door (2) and the detergent container (32) is
An exhaust fan (33) is an operation panel installed at the front of the upper part of the box (1), which is a control device (not shown) configured by a microcomputer.
It is connected to the.

Next, the operation of this embodiment will be explained with reference to FIG.

When washing dishes, the dishes are stored in the upper basket (3) and the lower basket (4), the door (2) is opened and the dishes are stored in the box (11), and then the door (2) is closed. Operation panel (33)
When the upper switch is operated, the cleaning operation is started as follows according to the command from the control device.

■ The first water supply pump (18) operates, hot water is supplied from the water heater or the water supply pipe (17), and enters the rinsing boiler (21) from one outlet of the three-way valve (2o). , and falls into the cleaning tank (11) from one outlet of the three-way valve (23) through the water supply port (24). At this time, drain valve (13)
Since the tank is closed, the hot water (water) that has fallen into the cleaning tank (11) also flows into the cleaning boiler (16) via the cleaning pump (15). If this continues for a certain period of time,
The water supply pump (18) is stopped and the water stop valve (19) is closed. Hot water (water) is now stored in the cleaning tank (11) and the cleaning boiler (16).

■ The pre-wash cleaning pump (15) is driven, and the hot water (water) in the cleaning tank (11) and cleaning boiler (16) is transferred to the distributor (27).
) is supplied to the cleaning nozzle (5) and is sprayed upward from the injection port. At this time, the swing motor (9) is driven, and the toothed belt (8) reciprocates via the crank (10). This movement is controlled by the gear (7) to the cleaning nozzle (
5) (and the rinse nozzle (6)) and causes it to swing. As a result, the hot water (water) injected from the washing nozzle (5) is evenly injected onto the tableware in the upper basket (3) and the lower basket (4) to wash them. The washed hot water (water) falls into the washing tank (11) and is again supplied to the washing nozzle (5), and the above operation is repeated for a predetermined period of time. At this time, the hot water (water) that fell into the cleaning tank fIll
Since the cleaning liquid is circulated through the dust removal filter (12), there is little dirt in the cleaning liquid.

On the other hand, the heater (21al) of the rinsing boiler (21) is energized to heat the hot water (water) in the rinsing boiler (21).

■ The drain valve (13) is opened, and the hot water in the cleaning tank (11,) and cleaning boiler (16) is drained into the drain pipe (14).
drained from the water. Boiling water in the rinsing boiler (21) continues.

■ The second water supply pump (18) operates and the three-way valve (2o)
is switched, and hot water (water) is supplied from the other outlet of the three-way valve (20) through the bypass pipe (22) and into the cleaning tank (1) via the water supply port (24). At this time, the drain valve (
13) is blocked, and as with the first water supply,
Water) is the cleaning tank (11) and cleaning boiler (16)
water is stored in the tank, the water supply pump (18) stops, and the water stop valve (
19) is blocked. Now, open the door (2) and the detergent in the detergent container (3) will be supplied to the hot water (water) in the cleaning tank (1).The rinsing boiler (21) will continue to boil water. Washing' The heater (16a) of the washing boiler (1) is energized and the hot water (water) in the washing boiler (16) is heated.Here, the washing boiler (15) is heated. is activated, and hot water containing detergent is ejected from the washing nozzle (5) to wash the tableware, as in the case of (pre-washing).When this washing operation is waited for a predetermined time, the washing pump (15) is stopped, and the heater (16a) is cut off.The rinsing boiler (21) continues to boil water.

■ Drainage: ``The drain valve (13) is opened and released, and the water is drained in the same manner as ■ Drainage. The second rinsing boiler (21) continues to boil water.

■ The water rinse water supply pump (18) operates and the three-way valve (23)
The hot water (water) passes through the bypass pipe (22), as in the case of the second water supply, but from the other outlet of the three-way valve (23) through the distributor (27) and the rinse nozzle (6). )
and is injected from the injection port. At this time, the rinsing nozzle (6) is swung as described above, and the rinsing water (water) is
is evenly sprayed onto tableware to wash away detergent that has adhered to it. The hot water after rinsing is transferred to the washing tank (11
However, at this time, the drain valve (13) is open and the rinsing hot water (water) is drained. The rinsing boiler (21) continues to boil water, and when the water temperature reaches a predetermined temperature, the heater (21al) is turned off.

■ Hot water rinsing three-way valves f201 and f231 are switched, hot water is forced into the rinsing boiler (21) from one outlet of the three-way valve (2o) by the water supply pump (18), and the rinsing boiler (2I) The hot water inside is supplied to the rinsing nozzle (6) from the other outlet of the three-way valve (23), and is injected from the oscillating rinsing nozzle (6) in the same way as in the case of water rinsing.
Dishes are rinsed and washed in boiling water. At this time, the rinse pump (26) is operated to suck the rinse in the rinse tank (25) and mix it into the hot water.

The tableware is now thoroughly rinsed, free of detergent and dirt, clean, and has a good finish. In addition, since tableware is heated with boiling water, it naturally
It becomes more prone to drying. The hot water after rinsing is drained by a drain valve (13). When these operations continue for a predetermined period of time, the water supply pump (18) is stopped and the water stop valve (19) is closed.

■ For air blowing, the blower (28) is operated, and the compressed air is sent through the water spray nozzle (
29) and is injected downward. In addition, the motor (
30) is driven, and the water spray nozzle (29) rotates in a horizontal plane. This jet of air blows away moisture remaining on the tableware. In this way, the recess of the tableware,
In particular, it is possible to sufficiently blow away the rinsing water remaining in the deep threaded bottoms peculiar to Japanese tableware. Note that the scattered water is drained from the drain valve (13).

[Phase] The drying exhaust fan (32) is operated to form an air flow from inside the box (1) to the outside of the box (11).
) is generated due to the evaporation of residual moisture, and the steam is discharged outside the box fl) by the airflow, promoting the drying of the tableware. Note that the drain valve (13) is open during this time.

■ Completion All equipment returns to its initial state and the series of processes ends.

[Effects of the Invention] As explained above, in this invention, the rinsing water (water) and the rinsing hot water are sprayed onto the tableware, so the tableware is pre-rinsed with the rinsing water (water) and then rinsed with the hot water. It is effective in thoroughly cleaning detergent and dirt remaining on tableware after rinsing. In addition, since air is forced from the blower and is sprayed onto the tableware, the moisture remaining on the tableware is blown away, and the moisture remaining at the bottom of the tableware can also be sufficiently removed, making it suitable for Japanese tableware. There is an effect that can be done.

[Brief explanation of drawings]

FIG. 1 is an overall perspective view showing an embodiment of a dishwasher according to the present invention, and FIG. 2 is a piping diagram for explaining the operation. In the figure, ill is a box, (5) is a cleaning nozzle, (6
) is the rinse nozzle, '(18) is the water supply pump, (2
]) is a rinsing hot water supply device (rinsing boiler), (
221 is the rinse water supply bag @ (bypass pipe), (28
) is a blower, and (29) is a water spray nozzle. Note that the same reference numerals in the figures indicate the same parts. 1st Figure 29 Attack aK) Person 1

Claims (1)

[Claims] A rinsing nozzle is arranged for spraying hot water or water supplied from a water supply pump onto tableware stored in a box and onto which a cleaning liquid containing detergent has been sprayed to rinse off the cleaning liquid adhering to the tableware, a rinsing water supply device that supplies rinsing hot water or water to the rinsing nozzle with the water supply pump; a rinsing hot water supply device that supplies rinsing hot water to the rinsing nozzle with the water supply pump after operation of the rinsing water supply device; A dishwasher comprising: a blower that pumps water; and a water spray nozzle that sprays air forced from the blower onto the tableware after the rinsing hot water supply device operates.