JP4653349B2 - Dishwasher - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a dishwasher for automatically washing dishes and the like by supplying washing water to a washing nozzle disposed in a washing chamber.
[0002]
[Prior art]
A dishwasher that automatically cleans dishes such as dishes, teacups, cups and the like that have been used for eating and drinking has been installed in a kitchen such as a coffee shop or a restaurant, or a general household, and is preferably used. This dishwasher basically comprises a washing room for washing dishes and a machine room in which various devices such as a pump are arranged. A cleaning tank is disposed in the cleaning chamber, and a pair of cleaning nozzles are disposed in the cleaning tank so as to be horizontally rotatable with a posture in which the spray holes are vertically opposed to each other. The cleaning is performed by spraying cleaning water from the spray holes onto the tableware or the like. The two cleaning nozzles are connected to each other by a pipeline system, and the cleaning water stored in the cleaning tank is supplied to both nozzles via the pipeline system by a pump.
[0003]
[Problems to be solved by the invention]
The cleaning water sprayed from the cleaning nozzle is often used by mixing a cleaning agent in order to improve the cleaning power against oil stains. Accordingly, a container (detergent tank) storing a cleaning agent is installed near the dishwasher so as to supply the cleaning agent. However, when a dishwasher is used in a kitchen such as a restaurant, a large amount of cleaning agent is used, so that the detergent tank becomes large. Therefore, this detergent tank occupies a lot of installation space and has a drawback that the use efficiency of the space in a narrow kitchen is lowered. Further, when the detergent tank is stored in the machine room, since various devices are arranged in the machine room, there has been a problem that work such as replacement of the detergent tank becomes very complicated. When the space that can be used for storing the detergent tank is limited, a detergent tank having a small volume is used, but at this time, there is a problem that the frequency of replacement of the detergent tank or replenishment of the cleaning agent increases. Furthermore, when the detergent tank is installed directly on the floor surface, the detergent tank becomes dirty and unsanitary, and when the detergent tank is damaged, the stored cleaning agent leaks to the floor surface. There is also a fear of dirtying the environment.
[0004]
OBJECT OF THE INVENTION
The present invention has been proposed in view of the above-mentioned problems inherent in the prior art and preferably solves this problem, and a storage section is provided in the main body so that a detergent tank can be stored. Thus, an object of the present invention is to provide a dishwasher that can effectively use a space and can easily replace a detergent tank.
[0005]
[Means for Solving the Problems]
In order to overcome the above problems and achieve the intended purpose, a dishwasher according to the present invention comprises:
A machine room in which a device such as a pump is housed is provided below a washing room for washing tableware, etc., and the washing water stored in the washing tank is supplied to a washing nozzle disposed in the washing room. In dishwashers that perform cleaning, etc.
A storage part that can store a detergent tank storing a cleaning agent is defined below the bottom of the machine room .
The cleaning agent stored in the detergent tank stored in the storage unit is configured to be automatically supplied to the cleaning water tank or the cleaning water supply path using a supply unit.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Next, a preferred embodiment of the dishwasher according to the present invention will be described in detail with reference to the accompanying drawings. As shown in FIG. 1, the main body 11 of the dishwasher 10 of this embodiment includes a washing room 12 for washing dishes and the like, a machine room 25 housing various devices such as pumps, and a detergent tank 34 for storing a cleaning agent. It is fundamentally comprised from the accommodating part 31 which can accommodate.
[0007]
As shown in FIG. 1 or FIG. 2, a cleaning tank 13 is disposed inside the cleaning chamber 12, and a pair of cleaning nozzles that rotate horizontally due to the reaction force of the cleaning water are provided in the cleaning tank 13. 14 and 15 and the rinsing nozzles 17 and 18 are arranged to be opposed to each other in the vertical direction. The upper cleaning nozzle 14 and the upper rinsing nozzle 17 disposed on the upper side are pivotally supported by an upper holder (not shown) disposed on the top plate 13a of the cleaning tank 13 so as to be horizontally rotatable, and are disposed on the lower side. The lower cleaning nozzle 15 and the lower rinsing nozzle 18 are pivotally supported by a lower holder (not shown) disposed on the bottom plate 13b of the cleaning tank 13 so as to be horizontally rotatable. A cleaning door 16 capable of opening and closing the front opening of the cleaning tank 13 is disposed at the front of the cleaning chamber 12, and the tableware is moved up and down through a front opening (not shown) opened by the cleaning door 16. The cleaning nozzles 14 and 15 and the rinsing nozzles 17 and 18 are accommodated.
[0008]
As shown in FIG. 1 or FIG. 2, a machine room 25 is defined below the cleaning room 12, and a hot water storage tank 20 for storing a predetermined amount of rinse water is disposed in the machine room 25. Rinsing water is supplied through a water supply pipe 47 communicating with the hot water storage tank 20. The rinse water stored in the hot water storage tank 20 is kept at a predetermined temperature by a heater. The rinsing water stored in the hot water storage tank 20 is supplied to the upper rinsing nozzle 17 and the lower rinsing nozzle 18 via the rinsing pump 21 and the rinsing water supply path 22 during the preliminary process and the rinsing process in the initial operation of the dishwasher 10. To be pumped and supplied. Then, rinsing water is sprayed into the cleaning tank 13 from the injection holes (not shown) formed in the two rinsing nozzles 17 and 18, thereby rinsing the dishes. The rinse water provided for the preliminary process and the rinse process is collected in a washing water tank 26, which will be described later, and can be reused as washing water for washing dishes. In FIG. 2, the storage tank 20 and the rinsing pump 21 are shown on the back side of the cleaning tank 13 for convenience.
The machine room 25 is provided with various devices such as a washing water tank 26 and a washing pump 27 that communicate with the inside of the washing tank 13 and store washing water. A possible middle front cover 29 is mounted. Then, the cleaning water stored in the cleaning water tank 26 is pumped and supplied to the upper and lower cleaning nozzles 14 and 15 via the cleaning water supply path 28 by the cleaning pump 27, and the cleaning nozzles 14, 15 are supplied. It is comprised so that it may inject toward the tableware from the injection hole of 15 not shown. Further, the wash water used for washing is collected in the washing water tank 26 and is recirculated. Note that the wash water stored in the wash water tank 26 is kept at a predetermined temperature by a heater, and is configured so that the dishes can be washed efficiently. Further, when rinsing water is collected in the washing tank 26 at the initial stage of the operation and in the rinsing process, if the washing water stored in the washing tank 26 exceeds a predetermined amount, the washing tank 26 is communicated. Excess washing water is discharged to the outside through the drain pipe 48.
[0010]
Further, as shown in FIG. 1 or FIG. 3, a storage portion 31 is defined below the machine room 25, and on the front surface of the storage portion 31, a plurality of cleaning agent remaining amounts can be confirmed. A lower front cover 32 provided with a confirmation window 32a is detachably attached. A tank case 36 and a guide rail 41, which will be described later, are disposed in the storage unit 31, and a plurality of detergent tanks 34 storing a cleaning agent mixed in the cleaning water are placed in the tank case 36. It has become so. A cleaning agent supply pipe 34a detachably attached to the detergent tank 34 placed on the tank case 36 communicates with the cleaning tank 26, and the cleaning agent stored in the detergent tank 34 is arbitrarily selected. The cleaning tank 26 is automatically supplied using a controlled pump or other appropriate supply means. The length of the cleaning agent supply pipe 34a is set to a dimension that allows the detergent tank 34 to move to the outside. As shown in FIG. 1 or FIG. 4, the storage portion 31 is provided with a water supply port 50 and a drain port 51 so as to be exposed to the outside from the bottom surface 31 a, and is led out from the bottom surface of the machine room 25. The water supply pipe 47 and the drain pipe 48 are connected to the corresponding water supply port 50 and the drain port 51 through the inside of the storage part 31. The water supply port 50 is arranged to be positioned in front of the drain port 51, and a filter such as a metal net is detachably inserted from the front into the water supply port 50 and supplied to the hot water storage tank 20. It is designed to remove dust mixed in the rinse water before rinsing.
[0011]
As shown in FIG. 5A, the tank case 36 disposed in the storage portion 31 has a bottom surface formed in a substantially rectangular shape and extends upward over the entire length of the outer peripheral edge portion. The tray 37 is provided with a partition wall 37, and a plurality of the detergent tanks 34 can be stored and placed in a storage space 36 a defined by the partition wall 37 in the front-rear relationship. Further, the partition walls 37 provided on both sides of the tank case 36 are respectively formed with guide members 38 protruding outward and bent in an L shape over the required length in the front-rear direction. As shown in FIG. 5B, the guide members 38 and 38 are slidably disposed on guide rails 41 and 41, which will be described later, so that the tank case 36 is externally (frontward) from the storage portion 31. ) Can be moved back and forth so that it can be pulled out. As shown in FIGS. 5B and 5C, a flange-shaped first locking member 39 is formed in the vicinity of the rear end of each guide member 38, and the tank case 36 is pulled out forward. When the first locking member 39 comes into contact with a locking piece 42 (described later) formed on the guide rail 41, the forward movement is restricted, so that the tank case 36 is moved to the storage portion 31. Configured to prevent falling off. The internal dimensions of the storage space 36a in the tank case 36 are appropriately set according to the size (full size, half size, etc.) of the detergent tank 34 to be stored.
[0012]
Next, as shown in FIG. 1 or FIG. 6A, a pair of guide rails 41, 41 formed in an L shape are provided on the bottom surface 31 a of the storage portion 31 on the left and right sides of the tank case 36. It is fixed with bolts or other fixing means so as to be positioned. The distance between the guide rails 41 and 41 disposed on the left and right is set to be slightly larger than the lateral width of the tank case 36 so that the rising portion 41a of each guide rail 41 regulates the lateral movement of the tank case 36. It has become. In addition, an L-shaped locking piece 42 is provided on the upper end of the rising portion 41a so as to protrude inward (tank case side), and each guide member is moved forward and backward when the tank case 36 moves back and forth. 38 slides on the lower surface of the locking piece 42 so that upward movement is restricted. Further, as shown in FIG. 6B, the locking piece 42 extends a required length from the front end of the rising portion 41a toward the rear side, and when the tank case 36 is pulled forward, the guide member 38 is pulled out. The forward movement of the tank case 36 is restricted by the first locking member 39 projecting from the contact with the locking piece 42. The rear end 41b of the guide rail 41 is formed with a second locking member 43 that protrudes inward. When the tank case 36 is moved backward and stored in the storage unit 31, When the rear portion of the tank case 36 comes into contact with the second locking member 43 of the guide rail 41, the rearward movement of the tank case is restricted and stored in a predetermined position. The length of the locking piece 42 with respect to the guide rail 41 is set in a range that does not overlap the guide member 38 when the tank case 36 is moved to the rearmost position and stored.
[0013]
As shown in FIG. 1 or FIG. 6A, between the tank case 36 and the bottom surface 31a of the storage portion 31, for example, a fluorine resin having a small frictional resistance and excellent chemical resistance is formed into a flat plate shape. The resin rail 45 formed in the above is disposed so that the tank case 36 can be pulled out smoothly.
[0014]
[Effect of the embodiment]
Next, the operation of the dishwasher according to the embodiment will be described. When the operation of the dishwasher 10 is started, first, rinse water stored in the hot water storage tank 20 and kept at a predetermined temperature is supplied to the cleaning tank 26. That is, the rinsing water in the hot water storage tank 20 shown in FIG. 2 is supplied to the rinsing nozzles 14 and 15 via the rinsing pump 21 and the rinsing water supply passage 22 and injected into the cleaning tank 13, and this is supplied to the cleaning tank 26. Store. Next, the cleaning agent stored in the detergent tank 34 disposed in the storage unit 31 shown in FIG. 1 is automatically sucked by using an appropriate supply means such as a pump, and is passed through the cleaning agent supply pipe 34a. And supplied to the cleaning tank 26. Then, the cleaning water is supplied to the cleaning nozzles 17 and 18 by the cleaning pump 27 through the cleaning water supply passage 28 and is sprayed into the cleaning tank 13 to perform dish cleaning. Thereafter, rinsing water is again sprayed from the rinsing nozzles 14 and 15 to rinse the dishes.
[0015]
In the embodiment, since the detergent tank 34 is stored in the storage portion 31 provided in the main body 11, it is not necessary to secure a space for installing the detergent tank 34 outside, and the side and back spaces of the main body 11 are efficiently used. It is possible to use it in a space-saving manner. Further, as shown in FIG. 3, by placing the detergent tank 34 stored in the storage unit 31 in a tank case 36 that can be pulled out, the tank case 36 is pulled out of the storage unit 31. The replacement of the detergent tank 34 and the replenishment of the cleaning agent can be easily performed. At this time, the cleaning agent supply pipe 34a attached to the detergent tank 34 has a sufficient length, so that when the tank case 36 is pulled out, no catching or tearing occurs. Furthermore, since a plurality of detergent tanks 34 can be accommodated in the accommodating portion 31, it is possible to reduce the frequency of replacement of the detergent tank 34 and replenishment of the cleaning agent. In addition, by providing the detergent tank 34 in the storage portion 31, the outer surface and the inside of the tank case 36 can be kept clean. The plurality of confirmation windows 32a formed on the lower front cover 32 disposed on the front surface of the storage unit 31 can easily check the replacement of the cleaning tank 34 or the replenishment time of the cleaning agent.
[0016]
Further, as shown in FIG. 4, the water supply pipe 47 that supplies rinse water and the drain pipe 48 that discharges excess cleaning water are connected to a water supply port 50 and a water discharge port that are exposed to the outside from the bottom surface 31 a of the storage unit 31. 51, the water supply port 50 and the drain port 51 do not protrude from the side surface or the back surface of the main body 11, and the space can be effectively used. Further, since the water supply port 50 is disposed in front of the drain port 51, the filter attached to the water supply port 50 can be easily cleaned and replaced.
[0017]
5 (a) to 5 (c), guide members 38, 38 are formed in the tank case 36, and guide rails 41, 41 corresponding to the guide members 38, 38 are arranged in the storage section 31. By being provided, the tank case can slide along the guide rails 41 and 41 without moving laterally and move back and forth, and can be reliably and stably pulled out of the storage unit 31. Further, the first locking member 39 formed on the guide member 38 comes into contact with the locking piece 42 of the guide rail 41 shown in FIGS. 6A and 6B, so that the tank case 36 moves forward. The tank case 36 can be smoothly put in and out without falling off the storage portion 31. When the tank case 36 is moved backward and stored, the tank case 36 is brought into contact with the second locking member 43 formed at the rear end 41b of the guide rail 41 and the rear part of the tank case 36. It is positioned and securely stored in a predetermined position.
[0018]
Further, as shown in FIG. 5A, since the tank case 36 is provided with a partition wall 37 on the outer peripheral edge thereof, when the detergent tank 34 is damaged due to deterioration or the like and the cleaning agent leaks, Since the leaked cleaning agent is retained in the storage space 36a of the tank case 36, the inside of the storage portion 31 can be kept clean and the surroundings are not soiled. Further, since the tank case 36 is configured to be removable from the storage chamber 31, when the cleaning agent leaks out or during periodic maintenance, the tank case 36 is easily removed and cleaned outside. Work can be done. The procedure for removing the tank case 36 from the guide rail 41 is as shown in FIG. 7 (a). First, the tank case 36 is first pulled out and the detergent tank 34 is taken out. Storing up to At this time, as shown in FIG. 7B, there is no overlap between the guide member 38 of the tank case 36 and the locking piece 42 of the guide rail 41. Therefore, in this state, the tank case 36 is lifted upward. Thereafter, the tank case 36 can be easily removed by taking it out of the machine (FIG. 7C). Further, when the tank case 36 is attached to the guide rail 41, the attaching operation can be easily completed by performing a procedure opposite to the above-described removing procedure.
[0019]
In this embodiment, a plurality of detergent tanks 34 including spare detergent tanks are accommodated in the accommodating portion 31. However, for example, the detergent tank 34 is accommodated and mixed with rinse water, etc. It is also possible to store a rinse tank storing a rinse agent that prevents spots and the like from being generated. Furthermore, although the example which accommodates the some detergent tank 34 in the said storage part 31 in the front-back positional relationship was shown, as shown in FIG. 8, you may make it accommodate the detergent tank 34 in the left-right positional relationship. In this case, the confirmation window 32a is provided at a position where the remaining amount of each detergent tank 34 of the lower front cover 32 attached to the front surface of the storage unit 31 can be confirmed. Although the cleaning agent stored in the detergent tank 34 is supplied to the cleaning tank 26, the cleaning agent can also be supplied to the cleaning water supply path 28 that supplies the cleaning water to the cleaning nozzle. Similarly, when the rinse tank is stored in the storage portion 31, the rinse agent can be supplied to the hot water storage tank 20 or the rinse water supply path 22.
[0020]
Further, the shape of the tank case 36 is not limited to the shape of the embodiment, and may be an arbitrary shape. Further, the shape of the guide member 38 formed on the tank case 36 and the locking piece 42 formed on the guide rail 41 allows the tank case 36 to be smoothly drawn out of the storage portion 31 and from the storage portion 31 to the tank. What is necessary is just to make it the shape which can prevent that case 36 falls off. In addition, the resin rail 45 having a low sliding resistance is disposed between the tank case 36 and the housing bottom surface 31a so that the tank case 36 can be pulled out smoothly. For example, by arranging a roller or the like, Smooth withdrawal becomes possible.
[0021]
Furthermore, in this embodiment, the storage unit 31 is provided in the main body 11 to store the detergent tank 34. For example, a main body composed of a cleaning chamber and a machine room is provided with a box having a storage unit separately prepared. and placed on the stage of, the detergent tank to the housing part, ing as can easily perform the replacement of the detergent tank with even by disposing the tank case and the guide rails or the like can be effectively utilizing the space .
[0022]
【The invention's effect】
As described above, according to the dishwasher according to the present invention, since the detergent tank can be stored in the storage portion provided in the main body, it is not necessary to install the detergent tank outside the cleaning machine, and the efficiency Space utilization is possible. Furthermore, since the detergent tank is placed on a tank case that can be pulled out from the storage unit, the detergent tank can be easily replaced or the cleaning agent can be replenished by pulling out the tank case. In addition, the water supply port and the drain port are arranged so as to be exposed to the outside from the bottom surface of the storage unit, and the water suction pipe and the drain pipe led out from the bottom surface of the machine room are connected to the water supply port and the drain port through the storage unit. The projecting of the piping is eliminated from the side and back of the main body, and the space is further saved. Further, by providing a partition extending upward at the outer peripheral edge of the tank case, when the cleaning agent leaks from the detergent tank, the leaked cleaning agent can be stored in the tank case. , Can prevent the surroundings from getting dirty. Moreover, since the tank case can be removed from the storage unit and cleaned, the hygiene in the storage unit can be maintained.
[Brief description of the drawings]
FIG. 1 is a front view showing a state where a lower front cover of a dishwasher according to an embodiment of the present invention is removed.
FIG. 2 is a schematic configuration diagram showing a washing room and a machine room of the dishwasher according to the embodiment.
FIG. 3 is a perspective view showing a state in which the detergent tank is pulled out from the storage portion of the dishwasher according to the embodiment.
FIG. 4 is a side view showing a part of the dishwasher according to the embodiment in a cutaway state.
FIGS. 5A and 5B show a tank case according to an embodiment, wherein FIG. 5A is a plan view, FIG. 5B is a side view, and FIG. 5C is a front view.
FIGS. 6A and 6B show guide rails according to the embodiment, where FIG. 6A is a front view and FIG. 6B is a side view.
FIG. 7 is a process diagram illustrating a process of removing the tank case according to the embodiment from the storage unit.
FIG. 8 is a perspective view showing a dishwasher according to another embodiment of the present invention.
[Explanation of symbols]
12 Cleaning chamber 14 Upper cleaning nozzle (cleaning nozzle)
15 Lower cleaning nozzle (cleaning nozzle)
25 Machine room 26 Washing tank 28 Washing water supply path 31 Storage part 31a Bottom surface 34 Detergent tank 36 Tank case 37 Bulkhead 47 Water supply pipe 48 Drainage pipe 50 Water supply port 51 Drainage port

Claims (5)

A machine room (25) in which a device such as a pump is housed is provided below a washing room (12) for washing dishes and the like, and a washing nozzle (14, 15) disposed in the washing room (12) is provided. In a dishwasher that supplies washing water stored in a washing tank (26) to wash dishes, etc.
A storage part (31) capable of storing a detergent tank (34) in which a cleaning agent is stored is defined below the bottom of the machine room (25) .
The cleaning agent stored in the detergent tank (34) stored in the storage unit (31) is automatically supplied to the cleaning water tank (26) or the cleaning water supply path (28) using a supply means. A dishwasher characterized by that. A water supply port (50) and a water discharge port (51) are provided so as to be exposed to the outside from the bottom surface (31a) of the storage part (31), and the water supply pipe (47) and the water drain led out from the bottom surface of the machine room (25) 2. The dishwasher according to claim 1, wherein the pipe (48) is connected to the corresponding water supply port (50) and drainage port (51) through the storage portion (31). The dishwasher according to claim 1 or 2, wherein the detergent tank (34) is placed in a tank case (36) which is disposed in the storage part (31) and can be pulled out from the storage part (31). Machine. The dishwasher according to claim 3, wherein a partition wall (37) extending upward is provided at an outer peripheral edge of the tank case (36). The dishwasher according to claim 3 or 4, wherein the tank case (36) is detachably disposed with respect to the storage portion (31).

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