JPH0449935A - Dish washer - Google Patents

Abstract

PURPOSE:To make hot water or water collide with dishes or the like with sufficient power and to uniformly spray in a box member by rotating rod-like nozzles in reciprocation in a plane and arranging spray ports of the rod-like nozzles in parallel and at constant angle. CONSTITUTION:Two washing nozzles 5 and two rinsing nozzles are arranged respectively horizontally in a side-by-side relationship and have respectively spray ports opened upward which are arranged in parallel at constant angle thetawith respect to the longitudinal direction of the nozzle. On gears 7 fixed to the ends of the washing nozzles 5 and the rinsing nozzles 6 is wound an endless type toothed belt 8. An oscillating motor 9 reciprocates and rotates the toothed belt 8 through a crank 10. When a washing pump 15 is driven, the oscillating motor 9 is driven so that the toothed belt 8 is reciprocated through the crank 10 and the movement is transmitted to the washing nozzles 5 to oscillate them. Hot water (water) sprayed from the washing nozzles 5 are diffused in square forms so that dishes in an upper basket 3 and a lower basket 4 are uniformly sprayed with the hot water and washed. At this time, since the spray ports 5a are arranged in parallel at constant angle theta, the sprayed hot water (water) do not interfere mutually.

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] Fig. 6 and Fig. 7 are diagrams showing a conventional dishwasher disclosed in, for example, Japanese Patent Publication No. 54-4553, in which Fig. 6 is a vertical sectional view of the main part, and Fig. 7 is a washing FIG. 3 is an enlarged plan view of the nozzle.

In the figure, (51 (6) is a bar-shaped cleaning nozzle and a rinsing nozzle arranged horizontally at different heights, and the cleaning nozzle (5) has a plurality of slit-shaped injection ports ( 5a), but the rinse nozzle (6) also has an injection port (6).
a) are each open upward.

In addition, on the side of the cleaning nozzle (5), there is a slit-shaped injection port (5).
b) is open. (Same for rinse nozzle (6))
f51) is a cleaning pipe that rotatably supports the cleaning nozzle (5), and communicates with the inside of the cleaning nozzle (5) through a hole (51al). (61) rotatably supports the rinse nozzle (6). A supporting rinsing tube communicates with the interior of the rinsing nozzle (6) via a hole f61a). Note that a basket (not shown) containing tableware is placed above the device shown in FIG. 6, and further above that, a device similar to the device shown in FIG. 6 is installed in the opposite direction.

A conventional dishwasher is configured as described above, and has a washing pipe (5
The cleaning liquid is introduced from 1), enters the cleaning nozzle (5) through the hole (51a), is sprayed onto the tableware from the spray port (5a), and is sprayed from a separately provided spray port (5b). This causes the cleaning nozzle (5) to rotate in a horizontal plane. The dishes are now washed. After this cleaning, hot water or tap water is introduced from the rinse pipe (61) and the hole (61
a) into the rinsing nozzle (6) and into the spray nozzle (6a
) is sprayed onto the tableware, and the rinsing nozzle (6) rotates as described above to wash off the cleaning liquid adhering to the tableware.

[Problem to be solved by the invention] In the conventional dishwasher as described above, the washing nozzle (5)
Since the rinsing nozzle (6) is rotated in a horizontal plane, the cleaning liquid and rinsing water are also sprayed in a circular manner, resulting in the problem that the four corners of the box become blind spots for cleaning.

This invention was made in order to solve the above-mentioned problems, and an object of the present invention is to provide a dishwasher in which hot water or water collides with tableware with sufficient force and can be sprayed uniformly inside the box. shall be.

[Means for Solving the Problems 1] A dishwasher according to the present invention uses a rod-shaped nozzle, rotates the rod-shaped nozzle reciprocally in a plane that crosses the rod-shaped nozzle, and directs the injection port of the rod-shaped nozzle to the rod-shaped nozzle. They are arranged in parallel at a constant angle to the longitudinal direction, or arranged in a staggered manner along the longitudinal direction.

[Function] In this invention, since the rod-shaped nozzle is oscillated, hot water or water is sprayed in a rectangular shape. Further, since the injection ports are arranged in parallel or in a staggered manner along the longitudinal direction, hot water or water is ejected without mutual interference.

[Example] Figures 1 to 4 are diagrams showing an example of the present invention.
The figure is an overall perspective view, Figure 2 is an enlarged plan view of the cleaning nozzle, Figure 3 is an explanatory diagram of the operation of the cleaning nozzle, and Figure 4 is a duct diagram for explaining the operation. Portions similar to those of the conventional device have the same reference numerals. Indicated by

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

(3) is an upper basket that is stored inside the box (1) and holds 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) is a rinsing nozzle, two of which are arranged horizontally side by side,
Each has an injection port opening upward, and a total of four sets are arranged below the upper basket (3) and the lower basket (4). Note that, as shown in FIG. 2, the injection ports (5a) are arranged in parallel at a constant angle θ with respect to the longitudinal direction of the cleaning nozzle (5), and the same is true for the rinsing nozzle (6). (7) is a gear fixed to one end of the cleaning nozzle (5) and the rinse nozzle (6), (8) is an endless toothed belt wrapped around the four gears (7), and (9) is Crank (lO
) is a cleaning tank disposed below the opening of the box body (1), and a dust removal filter (1) is installed on the bottom of the cleaning tank.
2), which communicates with a drain pipe (14) via a drain valve (13). (15) is the cleaning tank (11
) a cleaning pump that communicates with the bottom of the housing and delivers cleaning liquid;
6) is connected to the cleaning pump (15) and the heater (16a)
(17) is a water heater (not shown) or a water supply pipe connected to a water pipe;
18) is a water supply pump connected to the water supply pipe (17) and supplies rinsing water (water), (19) is a water stop valve connected to the water supply pump (18), and (20) is a water stop valve (19) (21) is connected to one outlet of the three-way valve (20), and a rinsing boiler that has a built-in heater (f21a) and supplies hot water for rinsing; (22) is the other of the three-way valve (20); The bypass pipe (23) is connected to the outlet of the rinsing boiler (2) and the outlet g11 of the rinsing boiler (2).
The three-way valve (24) is connected to the outlet side of the three-way valve (23
) is connected to one outlet of the cleaning tank (11) and opens above the water supply port, (25) is a rinse tank in which rinse is stored to improve the drying finish after rinsing, (26)
is a rinse pump that sucks a certain amount of rinse in the rinse tank (25) 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), the cleaning nozzle (5) and the rinsing nozzle (6)
(28) is a blower that sucks the air inside the box (11) and pumps it; (29) is the box (1) connected to the distributor;
A water spray nozzle (31) is arranged at the top of the door (28) and is rotated in a horizontal plane by a motor (30), and is connected to a blower (28) and sprays the air under pressure downward.
) is a detergent container that stores detergent, (32) is an exhaust fan that is attached to the door (2) and exhausts the steam inside the box (1), and (33) is a detergent container that is installed on the front of the upper part of the box (fl). The installed operation panel is connected to a control device (not shown) configured with a microcomputer.

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 (20). , from one outlet of the two-way valve (23) through the water supply port (24) and into the cleaning tank (11). 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 amount 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 (101). This movement is caused by the gear (7) to move the cleaning nozzle (
5) (and the rinse nozzle (6)) and causes it to swing. As a result, the hot water (water) sprayed from the cleaning nozzle (5) is spread into a rectangular shape, and is uniformly sprayed onto the tableware in the upper basket (3) and lower basket (4) to wash them. .

At this time, since the injection ports (5a) are arranged in parallel at a constant angle θ, the injection hot water (water) does not interfere with each other. That is, as shown in Figure 3, the IP injection port (5a) is -
If they are arranged in rows, as shown in Figure 3 (bl), the jetted hot water (water) will interfere with each other and the jetting force will be weakened at part A, but there is no risk of this in the example. 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 time.At this time, the hot water (water) that has fallen into the washing tank [111] is repeated. ) is circulated through the dust removal filter (12), so there is little dirt in the cleaning liquid.

On the other hand, the heater f21ai 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 water stop valve (19) is closed. At this point, open the door (2) and remove the detergent in the detergent container (31) from the hot water (water) in the washing tank (11).
supplied to Boiling water in the rinsing boiler (21) continues.

(4) Main washing The heater f16al of the cleaning boiler (16) is energized, and the hot water (water) in the cleaning boiler (16) is heated. Here, the washing pump (15) is driven, and hot water containing detergent is ejected from the washing nozzle (5) to wash the tableware, as in the case of (2) pre-washing. When this cleaning operation continues for a predetermined period of time, the cleaning pump (15) is stopped and the heater (16al) is cut off. The rinsing boiler (21) continues to boil water.

■ Drainage The drain valve (13) opens, and water is drained in the same manner as in ■Drainage. Boiling water in the rinsing boiler (21) continues.

■ 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. After rinsing, the hot water (water) is transferred to the washing tank (1,
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 (21a) is turned off.

■ The hot water rinse three-way valve (201 (23) is switched and the water supply pump (
18), the hot water (water) is forced into the rinsing boiler (21) from one outlet of the three-way valve (20), and the hot water in the rinsing boiler (21) is forced into the other outlet of the three-way valve (23). It is supplied from the outlet to the rinsing nozzle (6), and is sprayed from the oscillating rinsing nozzle (6) in the same way as in the case of water rinsing, and the tableware is rinsed with hot 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 to the air pipe (41).
The water is supplied to the water spray nozzle (29) from the air port [29bl] and is sprayed downward. Further, the motor (30) is driven, and the shaft (30a) causes the water spray nozzle (29) to
rotates in the horizontal plane. This jet of air blows away moisture remaining on the tableware. In this way, it is possible to sufficiently blow away the rinsing water remaining in the recesses of the tableware, 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 [11]. At this time, the box body (1
Steam is generated inside 1 due to the evaporation of residual moisture, and this is discharged to the outside of the box (11) by the air flow, accelerating the drying of the tableware.During this time, the drain valve (13) is opened. has been done.

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

FIG. 5 is an enlarged plan view of a cleaning nozzle showing another embodiment of the hair matrix according to the present invention, in which the injection port (5a) is aligned in the longitudinal direction;
Moreover, the hot water (water) jetted from the jetting ports (5a) does not interfere with each other.

[Effects of the Invention] As explained above, in this invention, the rod-shaped nozzle is reciprocated in a plane that crosses it, so hot water is sprayed in a rectangular shape and is sprayed onto the pieces inside the box. It has the effect of cleaning tableware evenly. In addition, since the injection ports are arranged in parallel or in a staggered manner along the above-mentioned longitudinal direction, the hot water (water) is sprayed without interfering with each other and hits each tableware with sufficient force to clean it. There is an effect that can be done.

[Brief explanation of the drawing]

Figures 1 to 4 are views showing an embodiment of the dishwasher according to the present invention, in which Figure 1 is an overall perspective view, Figure 2 is an enlarged plan view of the cleaning nozzle, and Figure 3 is the operation of the cleaning nozzle. Explanatory diagram, 4th
FIG. 5 is an enlarged plan view of a cleaning nozzle showing another embodiment of the present invention, FIGS. 6 and 7 are views showing a conventional dishwasher, and FIG. is a vertical sectional view of the main part,
FIG. 7 is an enlarged plan view of the cleaning nozzle. In the figure, (1) is a box, (5) is a rod-shaped nozzle (cleaning nozzle), (F+a) is an injection port, (6) is a rod-shaped nozzle (rinsing nozzle), and (7) is a swing mechanism (tooth type). ,
(8) is a swinging mechanism (toothed belt), (9) is a swinging mechanism (swinging morph), and (101 is a swinging mechanism (crank). In addition, the same reference numerals in the figures indicate the same or equivalent parts. Fig. Fig. Fig.

Claims (1)

[Claims] A rod-shaped nozzle having a plurality of slit-shaped injection ports that sprays hot water or water onto tableware stored in a box body is arranged, and the rod-shaped nozzle is arranged in a plane that crosses the rod-shaped nozzle. A dishwasher characterized in that a swinging mechanism for reciprocating rotation is provided, and the injection ports are arranged in parallel at a constant angle with respect to the longitudinal direction of the rod-shaped nozzle, or arranged in a staggered manner along the longitudinal direction. .