JPH04348731A - Tableware washing machine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher for washing dishes stored in a dish rack by spraying a cleaning liquid onto the dishes.

0002

2. Description of the Related Art A conventional dishwasher is disclosed, for example, in Japanese Patent Publication No. 1-45365. That is, as shown in FIG. 18, a washing chamber B with an open front is provided in the upper part of the casing A, and a leftover food chamber C with an open front like the washing chamber B is provided in the lower part. Furthermore, an upper drawer F that supports a rack E for storing tableware D and that opens and closes the front opening of the washing chamber B is provided in the upper part so as to be freely drawn out from the washing chamber B. The lower portion supports a leftover container G for receiving leftovers falling from the rack E, and has the leftovers compartment C.
The lower drawer H that opens and closes the front opening of the leftovers compartment C
It is provided so that it can be pulled out freely. With both drawers F and H drawn out, tableware D is placed on the rack E. At this time, the leftovers remaining on the tableware D are dropped from the rack E into the leftover container G. By pushing the lower drawer H into the leftovers compartment C, leftovers are stored in the leftovers compartment C before the tableware D is washed. In this way, the work of dumping leftovers into a separate leftover container or the like can be omitted. The tableware D on which leftover food has been dropped is washed by spraying the washing liquid pumped from the washing liquid pump K onto the washing liquid jetting body J.

0003

[Problems to be Solved by the Invention] In the conventional dishwasher shown in FIG.
is pulled out from washing chamber B and leftovers compartment C, tableware D is placed on rack E, and leftovers are transferred from rack E to leftovers container G.
let it fall. Therefore, each time washing is performed, it is necessary to pull out the upper and lower drawers F and H to drop the leftovers from the tableware D into the leftovers container G, resulting in poor work efficiency. Further, there is also the problem that the leftover food in the leftover food container G enters the field of view of the worker, causing an unpleasant feeling, and the bad odor from the leftover food container G emanates into the room, giving an unpleasant odor.

SUMMARY OF THE INVENTION An object of the present invention is to provide a dishwasher that can improve work efficiency and eliminate the problem of unpleasant sensations and unpleasant odors for workers.

[0005]

[Means for Solving the Problems] The present invention provides a casing having a washing chamber for accommodating a dish rack, a washing liquid tank provided below the washing chamber for storing a washing liquid, and a washing liquid tank in which the washing liquid in the washing liquid tank is used for cleaning the washing liquid. A nozzle means for ejecting water from above and below a position where dishes to be washed are placed in the room, a waste tank attached to a side of the washing liquid tank, and a space between the washing chamber and the washing liquid tank. a guiding means that is disposed between the washing chamber and the washing liquid tank and is capable of opening and closing the space between the washing chamber and the washing liquid tank, and guides leftovers falling from dishes stored in the tableware rack to the leftovers tank when closed; The dishwasher is characterized in that the guiding means is kept closed and water or a cleaning liquid is sprayed to collect the leftover food in the scrap tank, and then the guiding means is opened and the cleaning liquid is sprayed to wash the dishes. It is a dishwasher.

[0006] The present invention is also characterized in that it includes a pre-shower means for dropping leftover food from the dishes stored in the dish rack.

The present invention is also characterized in that the guiding means includes a plurality of dampers.

Further, the present invention is characterized in that the leftovers tank is provided with a lid that opens and closes the upper opening of the leftovers tank in reversibly interlocked with the opening/closing operation of the guiding means.

Further, the present invention provides a casing having a washing chamber, a washing liquid tank disposed below the washing chamber and storing a washing liquid, and a washing liquid tank disposed above the position where dishes to be washed in the washing chamber are disposed, an upper nozzle member having a nozzle hole facing the tableware; a lower nozzle member disposed below the position where the tableware to be washed in the washing chamber is placed and having a nozzle hole facing the tableware; and adjacent to the upper nozzle member. an upper rinsing water nozzle member disposed adjacent to the lower nozzle member and having a nozzle hole oriented toward the tableware; a lower rinsing water nozzle member disposed adjacent to the lower nozzle member and having a nozzle hole oriented toward the tableware;
A rinsing water tank is provided separately from the washing liquid tank and stores rinsing water, a leftover tank is provided on the side of the washing liquid tank and receives leftover food, and a leftover tank is arranged below the dishes and below the lower nozzle member. , a guiding means that can be opened and closed and guides the leftover food to the leftover tank in a closed state; a pump that pressure-feeds the cleaning liquid in the cleaning liquid tank to the upper nozzle member and the lower nozzle member; and a pump in the rinse water tank. The dishwasher is characterized in that it includes a pump that pumps rinse water to upper and lower rinse water nozzle members, respectively.

Furthermore, the present invention is characterized in that the cleaning liquid is injected from the upper and lower rinsing water nozzle members while the guiding means remains open, and then the rinsing water is injected from the upper and lower nozzle members.

[0011]

[Operation] According to the present invention, the tableware 3 is stored in the tableware rack 3a and placed in the washing chamber 2 of the casing 1. A cleaning liquid tank 5 for storing cleaning liquid is provided below the cleaning chamber 2. The cleaning liquid in the cleaning liquid tank is injected into the cleaning chamber 2 by the nozzle means 19. A leftover vegetable tank 6 is provided on the side of the cleaning liquid tank 5. A guiding means 15 is provided between the washing chamber 2 and the washing liquid tank 5, which can be opened and closed between the washing chamber 2 and the washing liquid tank 5, and guides leftovers that fall from the tableware 3 to the leftovers tank 6 when the washing chamber 2 and the washing liquid tank 5 are closed. will be placed. By spraying water or a cleaning liquid while the guiding means 15 is kept closed to collect the leftovers in the scrap tank 6, and then opening the guiding means 15 and spraying the cleaning liquid to wash the dishes 3. , the waste collection process and washing of the tableware 3 can be performed continuously. Therefore, work efficiency is improved and problems of discomfort and unpleasant odor do not occur.

Furthermore, according to the present invention, the leftover food can be dropped from the dishes 3 stored in the tableware rack 3a by the pre-shower means 16, so that the collection of leftover food can be easily carried out.

Further, according to the present invention, since the guiding means 15 includes a plurality of dampers 14, the height of the guiding means 15 can be reduced, and the space required for opening and closing can be reduced.
The casing 1 can be downsized.

Further, according to the present invention, since the lid 12 is provided to open and close the upper opening of the leftover food tank 6, unpleasant odors from the leftover food tank 6 will not leak into the washing chamber 2 while the dishes 3 are being washed. Furthermore, the cleaning liquid is prevented from entering the leftover food tank 6.

Further, according to the present invention, a cleaning liquid tank 5 for storing cleaning liquid is arranged below the cleaning chamber 2 of the casing 1. An upper nozzle member 7 and a lower nozzle member 9 each having a nozzle hole 91 facing the tableware 3 are arranged above and below the position where the tableware 3 to be washed in the washing chamber 2 is arranged. A leftovers tank 6 for receiving leftovers is provided on the side of the cleaning liquid tank 5. Below the tableware 3 and below the lower nozzle member 9, there is an opening that can be opened and closed.
A guide means 15 is provided for guiding the leftover food from the leftover food to the leftover food tank 6. The cleaning liquid in the cleaning liquid tank 5 is pumped to the upper nozzle member 7 and the lower nozzle member 9 by the pump P1, and is sprayed onto the tableware 3 from the nozzle holes 91 and 92. Therefore, by spraying the cleaning liquid onto the tableware 3 with the guiding means 15 closed, the leftovers are removed from the tableware 3 into the leftovers processing tank 6.
After that, by opening the guiding means 15, the tableware 3 can be washed by the upper and lower nozzle members 7, 9. In this way, the collection process of leftover food and the cleaning can be performed continuously, so that work efficiency is improved and problems of discomfort and unpleasant odor do not occur.

Further according to the invention, the guiding means 15
While it is open, spray the cleaning liquid through the upper and lower nozzle members 7 and 9.
Since the rinsing water in the rinsing water tank T2 is then injected from the upper and lower rinsing water nozzle members 10 and 11, even if the cleaning liquid in the cleaning liquid tank 5 is used up for collection of leftover food, the rinsing water can be rinsed. Can be refilled with water. This makes it possible to reduce contamination of the cleaning liquid in the cleaning liquid tank 5.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 and 2 show the construction of a dishwasher according to an embodiment of the present invention. FIG. 1 is a schematic cross-sectional view, and FIG. 2 is a partially cutaway and partially omitted perspective view.

In these figures, a cleaning chamber 2 is formed within an internal housing 1a constituting the inner wall of a casing 1. As shown in FIG. Inside the washing chamber 2, a tableware rack 3a on which tableware 3 is mounted can be accommodated. A door 4 is provided at the front opening of the cleaning chamber 2 so as to be openable and closable. With the door 4 open, the tableware rack 3a is loaded/unloaded, and with the door 4 closed, leftovers from the tableware 3 are collected and the tableware 3 is washed.

A cleaning liquid tank 5 is provided below the cleaning chamber 2, and a leftover food tank 6 is provided on the side of the cleaning liquid tank 5. The water level in the cleaning liquid tank 5 is detected by a float switch 5a. A drainer container 6a formed of a perforated plate such as punched metal is removably housed in the leftovers tank 6. This drainer container 6a receives leftovers and allows moisture to pass through. When the leftovers collected in this way are collected, the colander container 6a is taken out from the leftovers tank 6 and disposed of in an external trash box or the like.

An overflow pipe 8 is provided in the cleaning liquid tank 5 below the cleaning chamber 2 to limit the water level of the cleaning liquid tank 5. Above the cleaning liquid tank 5 and below the cleaning chamber 2 is a lower nozzle hole 9.
A lower nozzle member 9 having 2 is provided. An upper nozzle member 7 having an upper nozzle hole 91 is provided above the cleaning chamber 2 . An upper rinse water nozzle member 10 is provided adjacent to the upper nozzle member 7. Below the washing chamber 2, adjacent to the lower nozzle member 9, a lower rinsing water nozzle member 11 is provided. These rinse water nozzle members 10 and 11 have nozzle holes 20. The nozzle members 7, 9, 10, 11 are rotated by spraying the liquid toward the tableware 3 from the nozzle holes 91, 92, 20, and can evenly spray the liquid onto the tableware 3 placed on the tableware rack 3a. . A lid 12 is provided at the upper opening of the leftover food tank 6. When the lid 12 is closed,
The liquid sprayed from the upper and lower nozzle members 7, 9; 10, 11 can be prevented from entering the leftovers tank 6.

Below the tableware rack 3a, the nozzle member 9,
A guiding means 15 including a plurality of dampers 14 that can be angularly displaced about the rotating shaft 13 is provided below the damper 11 . The damper 14 can open and close the space between the upper nozzle members 9 and 11 and the cleaning liquid tank 5. The lid 12 of the leftover food tank 6 is opened and closed reversibly in conjunction with the opening and closing of the damper 14, opens when the damper 14 is closed, and closes when the damper 14 opens. When the damper 14 closes, the leftover food falling from the tableware 3 onto the damper 14 is guided on the damper 14 and collected in the draining container 6a in the leftover food tank 6. After this residual food collection process, the damper 14 is opened and the tableware 3 is washed by the upper and lower nozzle members 7 and 9 with the lid 12 closed.

The collection of leftover food is carried out by spraying water or cleaning liquid from a spray nozzle or the like which is a pre-shower means 16 provided above the cleaning chamber 2. Although the waste collection process can be performed by spraying cleaning liquid from the upper nozzle member 7 and the lower nozzle member 9, by providing the pre-shower means 16, water or The cleaning liquid can be sprayed onto the tableware 3, and cleaning efficiency can be improved.

When the washing of the tableware 3 is completed, rinsing water is sprayed from the upper and lower rinsing water nozzle members 10 and 11. The rinsing water washes away the cleaning liquid adhering to tableware 3.
Clean tableware 3. Such rinsing water is stored in a cleaning liquid tank 5, and its water level is limited by an overflow pipe 8. Liquid exceeding this water level is drained via an external drain pipe 17 connected to the overflow pipe 8. A drain pipe 18 from the leftovers tank 6 is also connected to the external drain pipe 17.
The water that has passed through the drainer container 6a is drained. The cleaning liquid in the cleaning liquid tank 5 is circulated through the circulation pipe 9a by the cleaning pump P1.
Upper and lower nozzle members 7 and 9, which are nozzle means 19,
and is injected from nozzle holes 91 and 92. Inside the casing 1 and outside the inner housing 1a, a pre-shower liquid tank T1 and a rinse water tank T2 are provided. Pre-shower liquid is stored in the pre-shower liquid tank T1, and is force-fed to the pre-shower means 16 via the pre-shower liquid piping 16a by the pre-shower pump P3. The pre-shower liquid is replenished via the water supply pipe 21,
The water level in the pre-shower liquid tank T1 is controlled by a float switch T1a. Rinse water from the rinse water tank T2 is pumped by a rinse pump P2 to the upper and lower rinse water nozzle members 10 and 11 via the rinse water pipe 10a. Rinse water is supplied to the rinse water tank T2 via a water supply pipe 22, and the water level is controlled by a float switch T2a. The rinse water in the rinse water tank T2 is heated to about 80° C. by the heater T2b. Water can also be directly supplied into the cleaning chamber 2 via the water supply pipe 23. These water supply pipes 21, 22, 23
Solenoid valves SV1, SV2, and SV4 are respectively interposed therein.

FIG. 3 shows the solenoid valves SV1, SV2, SV4,
3 is a time chart for explaining the operating states of pumps P1, P2, P3, lid 12, and damper 14. FIG. For initial water supply, open the damper 14 and turn on the solenoid valve SV4.
Water is supplied from the water supply pipe 23 to the cleaning liquid tank 5. Heated rinse water is also supplied by the rinse pump P2. In the pre-shower, the lid 12 is opened, the damper 14 is closed, and the pre-shower liquid is pumped from the pre-shower liquid tank T1 by the pre-shower pump P3 to the pre-shower means 16.
Inject from. At this time, the pre-shower liquid tank T1 is supplied with water via the water supply pipe 21 by turning on the solenoid valve SV1. When the pre-shower is finished, the lid 12 is closed, the damper 14 is opened, and the cleaning pump P1 is operated to perform cleaning by circulating the cleaning liquid in the cleaning liquid tank 5. When cleaning is completed, the rinse water in the rinse water tank T2 is pumped through the upper and lower rinse water nozzle members 1 by the rinse pump P2.
Rinsing is performed by spraying from 0 and 11. During the standby period for taking out the dishes 3 that have been washed in this way and loading the dishes 3 to be newly washed on the dish rack 3a, the solenoid valve SV2 is turned on and the water is supplied through the water supply pipe 22. and replenish the rinse water tank T2 with rinse water. below,
Next, the above-mentioned pre-shower and subsequent operations are performed on the tableware 3 to be washed.

FIGS. 4 and 5 show the construction of a dishwasher according to another embodiment of the invention. FIG. 4 is a schematic cross-sectional view, and FIG. 5 is a schematic block diagram. Parts corresponding to the embodiments shown in FIGS. 1 and 2 are given the same reference numerals. What should be noted is that the pre-shower is performed by the upper nozzle member 7 and the lower nozzle member 9 and the cleaning pump MP1.

A motor MD capable of forward and reverse rotation is provided below the cleaning chamber 2. A pulley 24 is fixed to the shaft of the motor MD, and a belt 25 is wound around the pulley 24. The belt 25 is wound around a pulley 26 fixed to one of the rotation shafts 13 of the damper 14 and a pulley 28 fixed to the rotation shaft 27 of the lid 12. In this way, according to the rotational drive of the motor MD, the damper 14 and the lid 12 are reversibly interlocked to perform opening and closing operations.

When the front opening of the cleaning chamber 2 is closed by the door 4, this is detected by a door switch 29 such as a microswitch. A cleaning liquid tank 5 and a rinsing water tank 30 are provided below the cleaning chamber 2. The water level in these tanks is
The water level is detected by cleaning liquid tank water level detection means 31 and rinsing water tank water level detection means 32, which detect the water surface position based on a change in electrical resistance. These water level detection means 31,
Of course, 32 may be a float switch or the like. The cleaning liquid in the cleaning liquid tank 5 is detected by the cleaning liquid tank temperature detection means 3.
3, the temperature is detected by the cleaning liquid heater 34, and the temperature is adjusted to about 60°C. The temperature of the rinsing water in the rinsing tank 30 is detected by the rinsing tank temperature detection means 35, and is heated by the rinsing water heater 36 and maintained at about 80°C. The rinsing water tank 30 is supplied with rinsing water via a water supply pipe 38 provided with a solenoid valve 37.

The control of each section described above is performed by a control circuit 39. The control circuit 39 includes a microcomputer, a memory, etc., and controls each part according to a preset program. A timer 40 is provided for time control.

FIG. 6 is a flow chart for explaining the operation of the control circuit 39 in the embodiment shown in FIGS. 4 and 5. When the tableware 3 is placed on the tableware rack 3a and stored in the washing chamber 2 and the door 4 is closed, the door switch 29 is activated. As a result, the operation starts from step s1. At this time, it is assumed that the motor MD is driven, the damper 14 is closed, and the lid 12 is open.

Next, in step s2, the cleaning pump MP1 is turned to O.
N, and the cleaning liquid is sprayed from the upper and lower nozzle members 7 and 9. Washing liquid is sprayed onto the tableware 3 from the upper and lower nozzle members 7 and 9. The leftover food adhering to the tableware 3 is quickly washed away by this cleaning liquid, guided over the damper 14, and collected in the draining container 6a in the leftover food tank 6. Such a collection process of leftover food is carried out at step s3 at t.
Lasts for 1 second. This pre-shower time t1 is, for example, 3 to 4 seconds. After this time t1 has elapsed, the cleaning pump MP1 is turned off in step s4. In this way, the pre-shower ends. The cleaning liquid used to wash the leftover food passes through the colander 6a and is discharged to the external drain pipe 17 via the drain pipe 18.

Next, in step s5, the motor MD is reversed, the damper 14 is opened, and the lid 12 is closed. Next, in step s6, the washing pump MP1 is turned on, and the dishes 3 are washed by spraying the washing liquid from the upper and lower nozzle members 7 and 9. This cleaning liquid is stored in the cleaning liquid tank 5 and is used in circulation. In step s7, t2
It is determined whether the cleaning time of seconds has elapsed. This cleaning time t2 is, for example, 90 seconds. This cleaning time t2
has passed, in step s8 the cleaning pump MP1
is turned off. Next, in step s9, the process waits for t3 seconds. This time t3 is, for example, 3 seconds, and is provided to allow the cleaning liquid to drip sufficiently from the tableware 3. In this way, the dishes 3 are washed.

Next, in step s10, the rinse pump MP2 is turned on, and the upper and lower rinse water nozzle members 10,
Rinsing water is sprayed onto the tableware 3 from 11. This rinsing is performed for t4 seconds in step s11. This time t4 is, for example, 17 seconds. Next step s12
At this point, the rinse pump MP2 is turned off. When rinsing is completed, the motor MD is driven in step s13, the damper 14 is closed, and the lid 12 is opened. Rinsing is performed in this manner, and the clean tableware 3 can be taken out by opening the door 4. Furthermore, the tableware 3 to be washed next is prepared, and the operations from step s2 onwards are performed continuously.

FIG. 7 is a sectional view showing a partial structure related to the damper 14 and the lid 12 in the embodiment shown in FIGS. 4 and 5. FIG. The rotating shafts 13 of the four dampers 14 in the closed state are connected to a frame 4 provided at the top of the cleaning liquid tank 5.
1, 42 so as to be rotatable. Frame 41, 4
2 is divided into two parts: a fixed frame 41 on the right side in FIG. 7 and an open/close frame 42 on the left side. The fixed frame 41 and the opening/closing frame 42 each have two dampers 1.
4 is installed. Each damper 14 has movable pieces 43 to 4.
8 is fixed. The connecting pieces 4 are connected between the movable pieces 43 to 48.
Connected by 9-51. The connection points between the movable pieces 43 to 48 and the connecting pieces 49 to 51 are angularly displaceable. Such movable pieces 43 to 48 and connecting pieces 49 to 51 constitute a link 52. The opening/closing frame 42 can be opened upward in FIG. 7 around the hinge 53 by removing the connecting piece 50. An idler 54 is provided between the pulleys 26 and 28 for applying tension to the belt 25.

FIG. 8 shows a configuration for detecting the open/closed state of the damper 14. A detection piece 55 is attached to the rotating shaft 13 to which the pulley 26 is fixed. The detection piece 55 is
When the rotary shaft 13 is angularly displaced to close the damper 14 as shown in FIG. 8(1), the microswitch 56 is activated. When the rotary shaft 13 is angularly displaced to open the damper 14 as shown in FIG. 8(2), the detection piece 55 activates the microswitch 57. Micro switch 5 like this
6 and 57, the open/closed state of the damper 14 is detected. The lid 12 closes when the rotary shaft 27 is rotationally driven by the belt 25 and the pulley 28 and the damper 14 opens.
It opens when the damper 14 closes. Micro switch 56
, 57 are attached to the upper part of the cleaning liquid tank 5 via the attachment member 93.

FIG. 9 is an exploded perspective view showing the structure related to the damper 14. The damper 14 is formed of a rectangular metal plate and is fixed to the rotating shaft 13. The edges of this metal plate parallel to the axis of rotation 13 are bent to increase rigidity. Also, by bending it in this way, the periphery becomes circular, making it difficult for leftovers to get caught. Movable piece 4
3 to 48 and the connecting pieces 49 to 51 are rotatably connected by fixing the pin member 58 with a fixing nut 60 via a washer 59. The rotating shaft 13 is connected to the holder 6
1 to the frames 41 and 42, and the rotating shaft 13
is fixed to the damper 14 with bolts 62.

FIG. 10 is an exploded perspective view showing a configuration for attaching the frames 41 and 42 to which the damper 14 is attached to the upper part of the cleaning liquid tank 5. As shown in FIG. The fixed frame 41 is fixed to the frame receiver 63 at the upper part of the cleaning liquid tank 5 with bolts 64 . The opening/closing frame 42 is held by a support member 65. The opening/closing frame 42 is provided with a guide hole 66, and a bolt 67 protruding from the support member 65 is inserted into the guide hole 6.
6, positioning is performed.

A lid 12 is attached to the side of the opening/closing frame 42. The rotation shaft 27 of the lid 12 is fixed above the leftover food tank 6 by a mounting member 68. The mounting member 68 is attached to the holding member 7 by bolts 70 together with the cover member 69.
Fixed to 1.

FIG. 11 is a perspective view showing the structure of a hinge 53 for connecting the fixed frame 41 and the opening/closing frame 42. As shown in FIG. The hinge 53 includes a fixed arm 72 fixed to the fixed frame 41, an opening/closing arm 73 fixed to the opening/closing frame 42, a pin member 74 connecting these arms 72 and 73, and a retainer for preventing the pin member 74 from slipping out. It is composed of an E-ring 75 for. The opening/closing frame 42 can be opened by angularly displacing the connection point between the fixed arm 72 and the opening/closing arm 73.

The operation of the guiding means 15 is shown in FIGS. 12 and 1.
This will be explained by 3. FIG. 12 shows a state in which the damper 14 is open and the lid 12 is closed. Each damper 14 is approximately vertical, and when the cleaning liquid sprayed from the upper and lower nozzle members 7 and 9 reaches the tableware 3 placed on the tableware rack 3a, it falls between the dampers 14 and is stored in the cleaning liquid tank 5. be done. Pump M
P1 directs the cleaning liquid in the cleaning liquid tank 5 to the upper and lower nozzle members 7 and 9.
and then inject it again. That is, when the damper 14 is open, the dishes 3 are cleaned by circulating the cleaning liquid. FIG. 13 shows a state in which the opening/closing frame 42 to which the damper 14 is attached is opened upward. At this time, the connecting point between the connecting piece 50 in the center and the connecting piece 46 on the opening/closing frame 42 side is removed. By removing one part of the link 52 in this way, the opening/closing frame 42 can be attached to the hinge 5.
It can be opened by making an angular displacement about 3. In the cleaning liquid tank 5 below the opening/closing frame 42, as shown in FIG. is provided. Opening/closing frame 42
By opening it, maintenance work such as cleaning the strainer pan 76 and pump suction port filter 77 can be performed. In addition, the drain plug 8 at the bottom of the overflow pipe 8
The cleaning liquid in the cleaning liquid tank 5 can also be drained by removing a.

FIGS. 15, 16 and 17 are cross-sectional views showing a schematic structure of the guiding means 15 in still another embodiment of the present invention. Portions corresponding to the configuration shown in FIG. 7 are given the same reference numerals. 15 shows a state in which the tamper 14 is closed, and in FIG. 16, the broken line shows a state in which the damper 14 is opened. What should be noted is that the movable pieces 78 to 81 have two connecting pieces 82,
83, and the connecting piece 82 and the connecting piece 83
The damper 14 on the connecting piece 83 side can be opened around the connection point with the connecting piece 83 without disconnecting these links 84. At this time, as shown in FIG. 17, the connection point between the movable piece 80, the connecting piece 82, and the connecting piece 83 becomes the center of angular displacement.

In each of the embodiments described above, the guiding means 15 and the lid 12 are connected by the belt 25 for angular displacement, but it goes without saying that other power transmission mechanisms such as gears may be used. .

[0042]

As described above, according to the present invention, the tableware 3 with leftover food still attached is placed on the tableware rack 3a and stored in the washing chamber 2, and the door 4 is closed to capture the leftover food. Collection processing and tableware 3
washing can be performed continuously. by this,
It improves work efficiency and eliminates the problem of discomfort and unpleasant odors. Further, the leftover food is guided by the guiding means 15 and collected in the leftover food tank 6, and does not mix into the cleaning liquid tank 5. Therefore, the cleaning liquid in the cleaning liquid tank 5 is injected from the nozzle means 19 and circulated for use. However, clogging of the nozzle means 19 can be prevented.

According to the invention, the pre-shower means 1
6, the leftover food attached to the tableware 3 can be sufficiently dropped.

Further, according to the present invention, since the guiding means 15 includes a plurality of dampers 14, the height of the guiding means 15 can be reduced, and an increase in the volume of the casing 1 can be reduced.

According to the present invention, the upper opening of the leftover food tank 6 is provided with a lid 12 that opens and closes reversibly in conjunction with the opening and closing operation of the guiding means 15, so that the dishes 3 can be washed easily. When cleaning, the lid 12 can be closed to prevent the cleaning liquid from leaking into the leftovers tank 6, and also to prevent unpleasant odors generated in the leftovers tank 6 from leaking into the cleaning chamber 2. can.

Furthermore, according to the present invention, the leftover food adhering to the tableware 3 is removed from the tableware 3 by the cleaning liquid sprayed from the upper and lower nozzle members 7 and 9 with the guiding means 15 closed. The leftover food is guided and collected by the leftover tank 6. For the tableware 3 that has been subjected to the waste collection process, the guiding means 15 is opened and the upper and lower nozzle members 7 and 9
Cleaning is performed by spraying cleaning liquid from the The cleaning liquid sprayed onto the tableware 3 is stored in a cleaning liquid tank 5 provided below the cleaning chamber 2, and is circulated and used. Such collection processing and cleaning of leftover food means that the cleaning liquid in the cleaning liquid tank 5 is pumped into the cleaning pump P1.
Since this is carried out by force-feeding the leftover food to the upper and lower nozzle members 7 and 9, a powerful pump can be used as the cleaning pump MP1 to efficiently collect and clean the leftovers.

Furthermore, according to the invention, the guiding means 15
While it is open, spray the cleaning liquid through the upper and lower nozzle members 7 and 9.
Since the rinse water is then jetted from the upper and lower rinse water nozzle members 10 and 11, it is possible to replenish the cleaning liquid consumed from the cleaning liquid tank 5 by the leftover food collection process. Furthermore, since the rinsing water has less dirt than the cleaning liquid, it is possible to prevent the cleaning liquid stored in the cleaning liquid tank 5 from increasing its stains due to cyclic use.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing a schematic configuration of a dishwasher according to an embodiment of the present invention.

FIG. 2 is a partially cutaway perspective view of the dishwasher shown in FIG. 1;

FIG. 3 is a time chart for explaining the operation of the embodiment shown in FIG. 1;

FIG. 4 is a sectional view showing a schematic configuration of a dishwasher according to another embodiment of the present invention.

FIG. 5 is a block diagram showing a schematic electrical configuration of the embodiment shown in FIG. 4;

FIG. 6 is a flowchart for explaining the operation of the dishwasher of the embodiment shown in FIG. 4;

7 is a cross-sectional view showing a configuration related to the guiding means 15 in the embodiment shown in FIG. 1 or FIG. 4. FIG.

FIG. 8 is a sectional view for explaining the functions of the damper 14 and frames 41 and 42.

9 is an exploded perspective view showing how the damper 14 is attached to the fixed frame 41 and the opening/closing frame 42. FIG.

10 is an exploded perspective view for explaining how the fixed frame 41 and the opening/closing frame 42 are attached to the casing 1. FIG.

FIG. 11 is an exploded perspective view for explaining the configuration related to the hinge 53.

FIG. 12 is a sectional view for explaining a state when the damper 14 is open.

FIG. 13 is a sectional view for explaining a state in which the opening/closing frame 42 is opened.

FIG. 14 is a sectional view showing the configuration inside the cleaning liquid tank 5. FIG.

FIG. 15 is a sectional view showing another schematic configuration of the guiding means 15.

16 is a sectional view for explaining the operation of the configuration shown in FIG. 15. FIG.

17 is a sectional view for explaining the operation of the configuration shown in FIG. 15. FIG.

FIG. 18 is a sectional view for explaining a conventional dishwasher.

[Explanation of symbols]

1 Casing 1a Internal housing 2　Cleaning room 3 Tableware 3a Tableware rack 4 Door 5 Cleaning liquid tank 5a Float switch 6 Leftover tank 6a Drainer container 7 Upper nozzle member 9 Lower nozzle member 10 Top rinse water nozzle member 11 Rinse water nozzle member 12 Lid 14 Damper 15 Guidance means 16 Pre-shower means 19 Nozzle means 20, 91, 92 nozzle hole 39 Control circuit MP1, P1 Washing pump MP2, P2 Rinse pump T2 Rinse water tank

Claims (6)

[Claims] 1. A casing 1 having a washing chamber 2 for accommodating a tableware rack 3a, a washing liquid tank 5 provided below the washing chamber 2 and storing a washing liquid, and a washing liquid tank 5 for storing a washing liquid. Nozzle means 1 injecting water from above and below the position where the tableware 3 to be washed is placed
9, and a leftovers tank 6 attached to the side of the cleaning liquid tank 5;
Disposed between the washing chamber 2 and the washing liquid tank 5, the space between the washing chamber 2 and the washing liquid tank 5 can be opened and closed, and when the washing chamber 2 and the washing liquid tank 5 are closed, the tableware 3 that is stored in the tableware rack 3a falls. a guiding means 15 for guiding the leftover food to the leftover food tank 6, and performing a process of collecting the leftover food in the leftover food tank 6 by spraying water or a cleaning liquid while the guiding means 15 is kept closed;
After that, the guiding means 15 is opened to spray the cleaning liquid to the tableware 3.
A dishwasher characterized by washing. 2. The dishwasher according to claim 1, further comprising a pre-shower means 16 for dropping leftover food from the dishes 3 stored in the dish rack 3a. 3. The dishwasher according to claim 1, wherein the guiding means 15 includes a plurality of dampers 14. 4. The tableware according to claim 1, wherein the leftovers tank 6 is provided with a lid 12 that opens and closes an upper opening of the leftovers tank 6 in reversible conjunction with the opening/closing operation of the guiding means 15. washing machine. 5. A casing 1 having a cleaning chamber 2, and a cleaning liquid tank 5 disposed below the cleaning chamber 2 and storing cleaning liquid.
, an upper nozzle member 7 having a nozzle hole 91 directed toward the tableware 3 and arranged above the position where the tableware 3 to be washed in the washing chamber 2 is arranged; A lower nozzle member 9 having a nozzle hole 92 disposed below the position where it is arranged and directed toward the tableware 3; and an upper rinse water having a nozzle hole 20 disposed adjacent to the upper nozzle member 7 and directed toward the tableware 3. The nozzle member 10, the lower rinsing water nozzle member 11 which is arranged adjacent to the lower nozzle member 9 and has a nozzle hole 20 directed toward the tableware 3, and the washing liquid tank 5 are provided separately and are used to store rinsing water. A water tank T2, a leftovers tank 6 provided on the side of the cleaning liquid tank 5 to receive leftovers, and a leftovers tank 6 located below the tableware 3 and below the lower nozzle member 9, which can be opened and closed, and when closed. A guiding means 15 that guides the leftover food to the leftover food tank 6, a pump P1 that pressure-feeds the cleaning liquid in the cleaning liquid tank 5 to the upper nozzle member 7 and the lower nozzle member 9, and a rinse water tank T.
2 The rinsing water inside the upper and lower rinsing water nozzle members 10, 1
A dishwasher characterized in that it includes a pump P2 that pumps pressure into the first and second pumps, respectively. [Claim 6] While the guiding means 15 remains open,
6. The dishwasher according to claim 5, wherein the washing liquid is sprayed from the upper and lower nozzle members 7, 9, and then the rinse water is sprayed from the upper and lower rinse water nozzle members 10, 11.