JPH0563456U - Dishwasher - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a dishwasher capable of easily supplying detergent to a detergent tank. [Structure] On the upper part of the detergent tank 24, an opening 36 is formed in which a container 34 filled with a predetermined amount of detergent can be inserted into the detergent tank 24, while on the lower part of the detergent tank 24,
A protrusion 40 is formed below the opening 36 and is capable of cutting the lower portion of the container 34.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a commercial dishwasher, and more particularly to a dishwasher that can easily supply detergent to a detergent tank.

[0002]

[Prior Art]

 Conventionally, as a dishwasher for commercial use, dishes are stored in a washing tank, and the washing liquid held in the washing tank is circulated and sprayed to wash the dishes, and then a rinsing liquid is sprayed onto these dishes. Rinsing is widely used.

In this type of dishwasher, the concentration of the cleaning liquid in the cleaning tank is diluted when rinsing. Therefore, in order to compensate for this dilution, a detergent tank containing a detergent and the detergent tank are used. And a detergent supply pump provided in the tank for supplying the detergent in the detergent tank into the cleaning tank.

In the conventional dishwasher as described above, when the detergent tank is replenished with the detergent, (1) a large tank containing the detergent to be replenished to the detergent tank in the dishwasher. A worker can carry it and tilt this large tank to pour the detergent into the detergent tank, or (2) bring another detergent tank containing detergent to an empty detergent tank and empty it. The detergent tank was replaced with a detergent tank containing detergent, and at the same time, the detergent supply pump placed in the empty detergent tank was replaced with the detergent tank containing detergent.

[0005]

[Problems to be solved by the device]

 When the above method (1) is used to replenish the detergent, it is a heavy labor to carry a large tank containing the detergent to the detergent tank each time the detergent is replenished, and the detergent should be placed in the detergent tank. There was a problem that it was easy to spill around the detergent tank when putting it in, wasteful consumption of detergent and cleaning work were required.

In addition, when the method (2) is used, when the detergent supply pump is changed from an empty detergent tank to a detergent tank containing detergent, the tube connected to the pump may be bent. However, there was a problem that air could get into the tube, causing the pump to stop operating. The present invention aims to solve the above problems.

[0007]

[Means for Solving the Problems]

 The present invention cleans these dishes by spraying the dishes while containing the dishes and a washing tank in which the washing liquid is stored under the dishes and circulating the washing solution in the washing tank. A cleaning unit, a rinsing unit for spraying a rinsing liquid onto the dishes stored in the cleaning tank to rinse the dishes, a detergent tank containing a detergent, and a detergent tank provided in the detergent tank. In a dishwasher equipped with a detergent supply pump for supplying the detergent in the detergent tank, an opening into which a container filled with detergent can be inserted into the detergent tank is provided above the detergent tank. A portion is formed, and a protrusion that is located below the opening and is capable of cutting the lower portion of the container is formed in the lower portion of the detergent tank.

[0008]

[Action]

 In the dishwasher having the above structure, when a container filled with detergent is inserted downward from the opening formed in the upper part of the detergent tank, the lower part of the container becomes the lower part of the detergent tank. The protrusion in the container makes an incision, and the detergent in the container flows out into the detergent tank. Therefore, by inserting a container filled with a predetermined amount of detergent into the detergent tank a predetermined number of times, a desired amount of detergent can be easily and quickly replenished in the detergent tank.

[0009]

【Example】

 An embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 2 is a view showing an overall structure of a dishwasher according to an embodiment of the present invention, and FIG. 1 is an enlarged view showing an internal structure of a detergent tank in the dishwasher of FIG.

In FIG. 2, reference numeral 2 is a cleaning tank, a cleaning liquid 4 is stored in the lower portion thereof, and a main cleaning pump 6 is installed in the lower portion thereof. The main cleaning pump 6 is for guiding the cleaning liquid 4 in the cleaning tank 2 to the main cleaning shower 10 via a pipe line 8. The main cleaning pump 6, the pipeline 8 and the main cleaning shower 10 described above constitute a cleaning unit. The cleaning tank 2 is provided with an outlet 11 for keeping the liquid surface height of the cleaning liquid 4 constant and preventing overflow.

Further, reference numeral 12 is a water source such as a water tap, and the water supplied from the water source 12 is heated by the water heater 14 to become hot water of about 60 ° C. and reaches the booster 16, It is further heated by the booster 16 to about 90 ° C. The hot water having the high temperature is guided by the rinse pump 18 to the shower 22 via the pipe 20. The water source 12, the water heater 14, the booster 16, the rinsing pump 18, the pipe line 20 and the shower 22 constitute a rinsing unit.

On the other hand, on the side of the cleaning tank 2, a detergent tank 24 is fixedly attached to a pedestal portion (not shown). A detergent 26 for replenishing the cleaning tank 2 is injected into the detergent tank 24, and the cleaning tank is supplied to one end side by using the pressure supplied from the piping system of the rinse pump 18. A detergent supply pump 28 for supplying the detergent 26 in 24 to the cleaning tank 2 is arranged.

Further, through holes 30a and 32a through which the hoses 30 and 32 connected to the detergent supply pump 28 can be inserted are formed in the upper portion of the detergent tank 24, and the side where the detergent supply pump 28 is not present is formed. A large hole (corresponding to an opening) 36 into which a container 34 (see FIG. 1) filled with detergent described later can be inserted is formed at the position. At the bottom of the detergent tank 24, a guide portion 38 having a cylindrical shape into which the container 34 can be inserted and having a large number of through holes 38a formed sideways is provided upright, and the inside of the guide portion 38 is also provided. In addition, a substantially mountain-shaped protrusion 40 having four ridges 40a in a cross shape in plan view is formed. Each ridge 40a of the protrusion 40 is formed into a sharp blade shape.

As shown in FIG. 1, the container 34 has a pack portion 34a having a substantially cylindrical shape, a bottom surface formed to be substantially flat, and an upper end portion having a reduced diameter, and a pack portion 34a mounted on the upper end of the pack portion 34a. It is composed of a cap 34b put on. The pack portion 34a is made of a material such as polyethylene or polypropylene, and is formed to have a thin and uniform thickness. The cap 34b is attached to the pack portion 34a in a state where the detergent is filled without any gaps. Has been done. This container 34 is filled with detergent at a low cost by a known liquid filling device in the same manner as a commercially available kitchen detergent or the like. One example of a size that is easy for a worker to carry is a packing of about 1.8 liters.

The detergent supply pump 28 has a substantially cylindrical outer container 44 supported by a support base 42, and a bellows 46 that is provided inside the outer container 44 and is expandable and contractible at the base end side. Then, the inner side of the inner container 48, the diameter of which is reduced at the front end side and in close contact with the inner diameter of the outer container 42, the space 52 communicating with the inside of the inner container 48, the cleaning agent suction port 54 communicating with the space 52, and the detergent. The discharge port 56 is formed, and the tip end member 50 is attached in a state where the tip end side reduced diameter portion 50a is brought into close contact with the tip end portion of the inner container 48. Then, one end of the hose 32 communicates with the inner portion of the outer container 44 via the nozzle 58, while the other end of the hose 32 branches off at the middle portion of the conduit 20 from the rinse pump 18 to the shower 22. In addition, one end of the hose 30 is connected to the detergent discharge port 56 via a nozzle 60, and the other end of the hose 30 is guided to the inner peripheral edge of the cleaning tank 2.

Further, the tip member 50 is provided with a steel ball 62 for preventing the backflow of the detergent and a bolt 64 for suppressing the movable range of the steel ball 62. An adjusting screw 66 for adjusting the expansion / contraction range of the inner container 48 is provided on the upper lid portion 44a of the outer container 44, and an O-shaped screw is provided at the joint between the lower end portion of the outer container 44 and the support 42. The ring 68 is fitted.

The dishwashing process of the dishwasher having the above configuration is performed as follows. First, a dish-washing basket (not shown) containing dishes is installed on the top of the washing tank 2, and then the main washing pump 6 is driven to direct the washing liquid 4 in the washing tank 2 from the shower 10 to the dishes. Eject for a predetermined time. Next, the rinsing pump 18 is driven to jet hot water (rinsing liquid) supplied from the water source 12 through the water heater 14 and the booster 16 toward the dishes from the shower 22 for a predetermined time. The spouting of the cleaning liquid and the spouting of the rinsing liquid are repeated a predetermined number of times by a method such as timer control, whereby the dishes are automatically washed.

In the detergent supply pump 28 according to the present embodiment, the pressure of the hot water flowing through the pipe 20 is transmitted to the detergent supply pump 28 via the hose 32 in the process of ejecting the rinse liquid, and the internal container 48 is discharged. Is pressed downward from the outside to compress the inner container 48. At this time, among the detergents in the detergent tank 24, the detergent that has flowed into the space portion 52 side from the detergent inlet 54 enters the cleaning tank 2 through the detergent outlet 56 and the hose 30 due to the pressure in the internal container 48. It is adjusted so that the concentration of the cleaning liquid 4 flowing into the cleaning tank 2 is kept constant.

While the dishes are continuously washed, the amount of the detergent 26 in the detergent tank 24 decreases, so that it is necessary to replenish the detergent 26. However, in the dishwasher of this embodiment, the following simple The detergent tank 24 can be replenished with detergent only by performing work.

That is, the operator only has to bring the container 34 filled with the detergent into the vicinity of the detergent tank 24 and insert the container 34 downward from the large hole 36. The container 34 inserted from the large hole 36 is guided by the guide portion 38 and moves to the lower side of the detergent tank 24. At this time, the bottom portion of the container 34 is incised by the protrusion 40, and the internal detergent is removed. It flows out around the guide portion 38 through the through hole 38a. The empty container 34 whose bottom is cut out and the detergent has flown out is pulled out upward from the large hole 36, and the next container 34 is inserted in the same manner as described above. Repeat this procedure until the detergent is replenished.

Since the amount of detergent in the container 34 is constant as described above, by inserting the container 34 into the detergent tank 28 a predetermined number of times (predetermined number of times), a desired amount of detergent can be stored in the detergent tank 24. Detergent is easily and quickly replenished.

Therefore, according to the dishwasher of the above-described embodiment, a predetermined amount of detergent can be easily stored in the detergent tank 24 by only inserting the container 34 filled with the detergent into the detergent tank 24. Therefore, unlike the conventional dishwasher, the detergent is not scattered around the detergent tank 24 when the detergent is replenished. Further, since the work of changing the detergent supply pump 28 is not required, the detergent supply pump 28 is not damaged at all, and the detergent supply pump 28 does not become inoperable due to air mixing when the pump is changed. The used container 34 can be disposed of as general waste, and there is no problem in disposing after use.

Although the guide portion 38 is provided inside the plastic tank 24 in the above embodiment, the guide portion 38 may not be provided.

Further, the detergent supply pump is not limited to that of the above embodiment, and may have a structure in which a drive source such as a motor is provided in the pump.

[0025]

[Effect of the device]

 As described above, according to the dishwasher according to the present invention, a predetermined amount of detergent can be easily supplied into the detergent tank simply by inserting the container filled with the detergent into the detergent tank. Therefore, the detergent is not scattered around the detergent tank when the detergent is replenished, and the detergent supply pump is not damaged at all.

[Brief description of drawings]

1 is an enlarged view showing the internal structure of a detergent tank in the dishwasher of FIG.

FIG. 2 is a view showing the overall structure of a dishwasher according to an embodiment of the present invention.

[Explanation of symbols]

 2 Cleaning tank 4 Cleaning liquid 6 Main cleaning pump 10 Shower 18 Rinse pump 22 Shower 24 Detergent tank 28 Detergent supply pump 36 Opening 40 Protrusion

Claims (1)

[Scope of utility model registration request] 1. A washing tank in which dishes are accommodated and a washing liquid is accommodated below these dishes, and a washing in which the dishes are sprayed while circulating the washing liquid in the washing tank to wash the dishes. A unit, a rinsing unit for spraying a rinsing liquid onto the dishes stored in the cleaning tank to rinse the dishes, a detergent tank containing a detergent, and a detergent tank provided in the detergent tank. In the dishwasher equipped with a detergent supply pump for supplying the detergent into the cleaning tank, an opening is formed at an upper portion of the detergent tank into which a container filled with detergent can be inserted into the detergent tank. The dishwasher is formed at a lower portion of the detergent tank, the protrusion being located below the opening and capable of cutting the lower portion of the container.