JPH0433635A - Tableware washing machine - Google Patents

Abstract

PURPOSE:To inject air from each side to water which remains behind in the rim of the bottom of tableware so that moisture in the rim of the bottom can be eliminated enough by providing a water scattering nozzle for injecting air compress fed from a blower to tableware, etc., and rotating or turning reciprocatingly it. CONSTITUTION:29 denotes a water scattering nozzle coupled to a shaft 30a of a motor 30 and rotated in the horizontal plane, and is coupled to the center part of the upper part in a box body 1. The water scattering nozzle 29 has an injection port 29a of air in the lower face, an air port 29b is provided on the upper face, and the nozzle is fitted so as to be rotatable into an air tube 41 connected to a blower 28, and the injection port 29a communicates with the air tube 41 through the air port 29b. 42 denotes tableware contained in the upper basket 3. In the case of executing air blowing after hot water rinsing, the blower 28 is operated, compressed air passes through the air tube 41, is supplied to the water scattering nozzle 29 from the air port 29b and injected downward, and also, the motor 30 is driven and the water scattering nozzle 29 rotates in the horizontal plane by the shaft 30a. By injecting this air, moisture which remains behind in the tableware 43, 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 cleaning, hot water or tap water is sprayed from a separate rinsing nozzle to wash off the cleaning liquid adhering to the tableware.

[Problems to be Solved by the Invention] In the conventional dishwashers as described above, the washing liquid is sprayed onto the tableware, and the washing liquid is washed off by reheating the tableware or spraying water. Especially bowls, soup bowls,
There is a problem in that rinsing water, etc. remains in the thread bottom (recess on the outer bottom of the tableware) of the hot water cup, etc., and even when drying, the hot water does not evaporate sufficiently and complete drying cannot be achieved.

This invention was made to solve the above-mentioned problems, and an object thereof is to provide a dishwasher that can sufficiently remove moisture remaining on the thread bottom of Japanese tableware and speed up drying.

[Means for Solving the Problems] A dishwasher according to the present invention is provided with a main scattering nozzle which is rotatably supported in a box body and sprays air forced from a blower onto tableware, and which is rotated by a drive mechanism. Or it can be rotated back and forth.

[Function] In this invention, since the water spray nozzle that sprays the air forced from the blower onto the tableware is rotated or reciprocated, the water remaining at the bottom of the tableware is sprayed with air from all directions. is injected.

[Example] Figures 1 to 4 are diagrams showing an example of the present invention.
2 is a longitudinal cross-sectional view of the water spray nozzle portion, FIG. 3 is an enlarged longitudinal cross-sectional view of the main part of FIG. 2, and FIG. 4 is a pipe diagram for explaining the operation.

In Fig. 1, (11) is a box body, which has an opening on the front side, and a door (2) for opening and closing the opening is pivotally supported.

(3) is an upper basket that is housed in the box (1) and stores tableware to be washed; (4) is a lower basket that is also placed below the upper basket (3); and (5) is a cleaning nozzle. , (6
) are rinsing nozzles, two of which are arranged in parallel with each other in the transverse direction, each having an injection port opening upward, and a total of four sets of rinsing nozzles are arranged below the upper basket (3) and the lower basket (4). (7
) is a washing nozzle (5)! 3 and rinse nozzle (6)
A gear (8) is fixed to one end of the gear (7).
(9) is a swing motor that reciprocates the toothed belt (8) via a crank (lO); (11) is the opening of the box (1); A washing tank is located below the washing tank, and a clothes removal filter (12) is provided on the bottom surface of the washing tank, and the washing tank is connected to a drain pipe (14) via a drain valve (I3). f15) is a cleaning pump that communicates with the bottom of the cleaning tank (11) and sends out cleaning liquid; (16) is a cleaning boiler that is connected to the cleaning pump (15) and has a built-in heater (16a) and 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 The water stop valve connected to (18), (20) is the water stop valve (
(19) is a three-way valve connected to (21) is a three-way valve (20)
The rinsing boiler (22) is connected to the other outlet of the three-way valve (20) and the outlet side of the rinsing boiler (21) and has a built-in heater (21a) and supplies hot water for rinsing. (23) is a three-way valve connected to the outlet side of the rinsing boiler (21), (24) is connected to one outlet of the three-way valve (23), and the cleaning tank (1
1) A water supply port that opens upward, (25) is a rinse tank that stores rinse to improve the drying finish after rinsing, and (26) is a water supply port that sucks a certain amount of rinse in the rinse tank (25) and connects it to three sides. A rinsing pump (27) supplies the other outlet side of the valve (23), a cleaning boiler f16), a three-way valve (
23), a distributor connected to the washing nozzle (5) and the rinsing nozzle (6), (28) is the box body (1)
A blower (29) is placed at the top of the box (1) and rotated in a horizontal plane by a motor (30), and is connected to the blower (28) to forcefully feed the air. A water spray nozzle that sprays air downward (31
) is a detergent container that is installed on the door [2] and stores detergent, (
32) is an exhaust fan attached to the door (2) to exhaust the steam inside the box (1), and (33) is an operation panel installed at the front of the upper part of the box (1), which is composed of a microcomputer. and a control device (not shown).

In Figures 2 and 3, (29) is a water spray nozzle connected to the shaft (30a) of the motor (3o), and in Figure 1, the shaft (30a) is shown connected to the end. Although,
In FIG. 2, it is shown as being joined at the center.

The water spray nozzle (29) has an air injection port (29a) on the bottom surface.
It has an air port (29BL) on the top surface, and a blower (29BL).
28), and the injection port (29a) is connected to the air pipe (41) via the air port (29b). (42) is the upper basket (
3) is the tableware stored in.

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

When washing tableware (42), put 5 tableware (42) in the upper basket (3) and lower basket (4), open the door (2) and store them in the box (rl), and then open the door (2). ) close. Then, when a switch on the operation panel (33) is operated, a cleaning operation is started as follows according to a command from the control device.

■ The first water supply pump (I8) operates, and hot water (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 (20). , and falls into the cleaning tank filj 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. The 5 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. Thereby, the hot water (water) injected from the cleaning nozzle (5) is uniformly injected onto the tableware (42) in the upper basket (3) and the lower basket (4), thereby washing the same. The washed hot water (water) falls into the washing tank [111] 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 has fallen into the cleaning tank (111) is circulated through the dust removal filter (12), so there is little dirt on 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).

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

■ The second water supply pump (18) operates and the three-way valve (20)
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 (11) via the water supply port (24). At this time, the drain valve (13) is closed, and hot water (water) is supplied to the cleaning tank (11) and the cleaning boiler (16), as in the case of the first water supply.
), the water supply pump (18) is stopped, and the stop valve (19) is closed. Here, the door (2) is opened and the detergent in the detergent container (31) is supplied to the hot water (water) in the washing tank (11,). Boiling water in the rinsing boiler (21) continues.

■ The heater (16al) of the main washing boiler (I6) is energized and the hot water (water) in the washing boiler (16) is heated.The washing pump (15) is then driven and the water containing the detergent is heated. As in the case of pre-washing, water is ejected from the washing nozzle (5) to wash the dishes (42). When this washing operation is waited for a predetermined time, the washing pump (15) stops and the heater (16
a) is de-energized. Boiling water in the rinsing boiler (21) continues.

■ Drainage The drain valve (!3) opens and the water is drained in the same way as ■Drainage. Boiling water in the rinsing boiler (21) continues.

■ The 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 the tableware (42) to wash off the detergent that has adhered to it. The hot water (water) that has completed rinsing falls into the washing tank [11], but at this time the drain valve (13) is open and the hot water (water) that has completed rinsing 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.

■ Fever? The easy rinsing three-way valve (20) [23] is switched, and hot water (water) is forced into the rinsing boiler (21) from one outlet of the three-way valve (20) by the water supply pump (18). The hot water in (21) 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.
Tableware (42) is rinsed with hot water. At this time,
The rinse pump (26) is operated and the rinse tank (25
) and mix it into the hot water. with this,
The tableware (42) is thoroughly rinsed, detergent and dirt are removed, and the dish is clean and has a good finish. In addition, tableware (42) is heated with boiling water, so
Naturally, it becomes more prone to dryness. 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 to the air pipe (41).
The water passes through the air port f29b) and is supplied to the water spray nozzle (29), where it is sprayed downward. Also, the motor (30) is driven, and the water spray nozzle (29) is driven by the shaft (30al).
) rotates in the horizontal plane. Moisture remaining on the tableware (42) is blown away by this air jet. In this way, it is possible to sufficiently blow away the rinsing water remaining in the recesses of the tableware (42), especially 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 outside the box (1). At this time, the box body (1
Steam is generated inside the box (1) due to the evaporation of residual moisture, and this is discharged to the outside of the box (1) by the air flow, and the tableware (
42) The drying of the species is accelerated. 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.

In the above embodiment, the water spray nozzle (29) was rotated by the motor (30), but the motor (30)
It is also possible to control the water spray nozzle (29) to reciprocate at an arbitrary angle.

FIGS. 5 and 6 are views showing other embodiments of the present invention, in which FIG. 5 is a longitudinal sectional view of the water-splashing nozzle portion, and FIG. 6 is an enlarged longitudinal sectional view of the main part of the giant diagram.

In this embodiment, a motor (30) is not used as the drive mechanism for the water spray nozzle (29), and the water spray nozzle (29) is driven by a shaft (
45) is supported at the tip of the air pipe (41), and jet ports (29c) are provided at both ends of the water spray nozzle (29) to open on opposite sides, and this serves as a driving mechanism. be.

That is, the air forced from the air pipe (41) is injected laterally from the injection port (29c). The water spray nozzle (29) is given rotational force by the pressure of this injected air and rotates.

7 and 8 are also views showing other embodiments of the present invention, FIG. 7 is a cross-sectional view of the water spray nozzle portion, and FIG.
FIG. 2 is an enlarged vertical cross-sectional view of the main part of the figure.

In this embodiment, a twist spring (47) is coupled to the shaft (45) shown in FIGS. 5 and 6, and this is used as a part of the drive mechanism.

That is, when the water spray nozzle (29) is in the position shown in FIG. 7 and air is injected as described above, the water spray nozzle (29) resists the force of the twist spring (47) and moves in the position shown in FIG. rotates clockwise and stops when it comes into contact with the side wall of the box (11).Here, when the blower (28) stops pumping the air, the water spray nozzle (29) twists into the spring (47). It rotates counterclockwise with the force of , and stops when it comes into contact with the opposite side wall.This is repeated, and the water spray nozzle (29)
rotates back and forth as shown by the arrow. This embodiment is suitable for a box (1) whose size makes it impossible for the water spray nozzle (29) to rotate.

[Effects of the Invention] As explained above, in this invention, a water spray nozzle that is rotatably supported in a box body and sprays air forced from a blower onto tableware is provided, and this is rotated or reciprocated by a drive mechanism. As a result, air is blown from all directions against the water remaining on the thread bottom of tableware, and the water on the thread bottom can be sufficiently removed, making it possible to realize a dishwasher suitable for Japanese tableware.

[Brief explanation of the drawing]

1 to 4 are views showing one embodiment of the dishwasher according to the present invention, in which FIG. 1 is a perspective view of the overall configuration, FIG. 2 is an enlarged vertical sectional view of the main part, FIG. 4 is a pipe diagram for explaining the operation, and FIGS. 5 to 8 are views showing other embodiments of the present invention. FIG. A vertical cross-sectional view, Figure 6 is an enlarged vertical cross-sectional view of the main part of Figure 5,
FIG. 7 is a cross-sectional view of the water spray nozzle portion, and FIG. 8 is an enlarged vertical cross-sectional view of the main part of FIG. 7. In the figure, (1) is the box body, (5) is the cleaning nozzle, (6
) is the rinse nozzle, (18) is the water pump, f28
1 is a blower, (29) is a water spray nozzle, (29a
) is the injection port, (29c) is the drive mechanism (injection port), f
301 is a drive mechanism (motor), (471 is a drive mechanism (hinetsu spring). The same reference numerals in the figures indicate the same parts. Fig. 1 Fig. 3 Fig. 4 Fig. 5 Fig. 29c Figure 6 Figure 8

Claims (1)

[Claims] In an apparatus for rinsing off the washing liquid adhering to the tableware by spraying hot water or hot water supplied from a water supply pump onto the tableware stored in a box and onto which the washing liquid has been sprayed,
a blower for forcefully feeding air; a water splashing nozzle that is rotatably supported within the box body and connected to the blower and spraying the forced air onto the tableware; and rotating or reciprocating the water splashing nozzle. A dishwasher characterized by being equipped with a drive mechanism.