CN217565980U - Water path system of dish washing machine and dish washing machine - Google Patents

Abstract

The utility model belongs to the technical field of dish washer, more specifically say, relate to a waterway system and dish washer of dish washer. Wherein, waterway system includes water softener, washing water route and steam water route, the water inlet and the delivery pipe intercommunication in washing water route, the delivery port is equipped with first shunt valve, first delivery port and the spray arm of first shunt valve of washing water route intercommunication, the steam water route includes the steam water tank, steam water pipe and steam generator, the second delivery port and the nozzle of the first shunt valve of steam water pipe intercommunication link to each other, steam water tank and steam generator all locate on the steam water pipe, steam generator is from the water intaking of steam water tank, thus, dishwasher's waterway system is equipped with independent washing water route and steam water route, steam water route and washing water route mutually noninterfere, can avoid water pollution to steam generator's influence, guarantee that steam generator can steady normal work all the time, steam generator fault rate reduces, dishwasher work is more stable, user experience is better.

Description

Water route system and dish washer of dish washer

Technical Field

The utility model belongs to the technical field of dish washer, more specifically say, relate to a waterway system and dish washer of dish washer.

Background

When the dish washer is used for washing dishes, washing water needs to be conveyed to each rotary spray arm through the washing pump, and the rotary spray arms rotate to spray washing water to wash the dishes. Generally, a dishwasher washing system increases the temperature of washing water by providing an electric heater, and when the tableware is washed by hot water, the hot water carries away contaminants while transferring heat to the tableware, thereby achieving high washing and drying rates in a short time. However, the energy consumption of the electric heater for heating the washing water is relatively high, the temperature of the washing water is generally not too high, the quantity of heat absorbed by the dishes is limited, and the drying effect is not good enough, so that the temperature is increased by using a steam generator to provide high-temperature steam into the washing cavity, so as to achieve the purposes of sterilizing and disinfecting and further increasing the drying rate of the dishes.

Among the correlation technique, steam generator and the washing system sharing water supply pipe of dish washer, steam generator also follows the drinking cup water intaking of dish washer promptly, and the sewage after the washing tableware is also discharged after the drinking cup is collected, and the drinking cup is used for a long time and can remain the pollutant and pollute the clean water that gets into the drinking cup, and contaminated water gets into steam generator and can influence steam generator's normal use, leads to steam generator life to shorten.

SUMMERY OF THE UTILITY MODEL

The utility model discloses main aim at provides a waterway system and dish washer of dish washer to the steam generator of dish washer is followed the drinking cup water intaking of dish washer among the solution prior art, and drinking cup quality of water is remained because of the pollutant and is polluted, influences steam generator normal use, leads to the technical problem that life shortens.

The utility model adopts the technical proposal that: provided is a waterway system of a dishwasher, including:

the water inlet of the water softener is communicated with an external water supply pipe, and the water outlet of the water softener is provided with a first water dividing valve;

a water inlet of the washing water path is connected with a first water outlet of the first water dividing valve, and a water outlet of the washing water path is used for being connected with a spray arm arranged in the inner container of the dish-washing machine;

the steam water route, including steam water tank, steam water pipe and steam generator, the water inlet of steam water pipe links to each other with the second delivery port of first shunt valve, and steam water pipe's delivery port is used for linking to each other with the nozzle of locating the inner bag, and steam water tank and steam generator all locate on the steam water pipe, and steam generator locates between steam water tank and the delivery port of steam water pipe.

In some embodiments, the steam water pipe includes a water tank supply pipe connecting the second water outlet and the water inlet of the steam water tank, a steam water supply pipe connecting the water outlet of the steam water tank and the water inlet of the steam generator, and a steam delivery pipe connecting the steam outlet of the steam generator and the spray nozzle.

In some embodiments, the steam water circuit further comprises a first water pump disposed on the steam water supply pipe.

In some embodiments, the steam waterway further comprises a booster valve disposed on the steam delivery pipe.

In some embodiments, the washing water path comprises a washing water inlet pipe, a water cup and a washing water outlet pipe, the water cup is used for being arranged on the inner container, the washing water inlet pipe is connected with the first water outlet and the water cup, the water inlet of the washing water outlet pipe is connected with the water cup, and the water outlet of the washing water outlet pipe is used for being connected with the spray arm.

In some embodiments, the washing water circuit further includes a second water pump provided on the washing water inlet pipe.

In some embodiments, the washing water circuit further comprises a third water pump, and the third water pump is arranged on the washing water outlet pipe.

In some embodiments, the washing water circuit further comprises a second water dividing valve, a water inlet of the second water dividing valve is connected with a water outlet of the third water pump, and water outlets of the second water dividing valve are respectively connected with the spray arms in the inner container.

In some embodiments, the waterway system of the dishwasher further includes a metering device, an outlet of the metering device is communicated with an inlet of the water softening device, and an inlet of the metering device is used for being connected with the water supply pipe.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the waterway system of dish washer have one of following technological effect at least: the utility model provides a waterway system is equipped with solitary washing water route and steam water route, wherein, the steam water route is equipped with the steam water tank, water softener independently supplies water to washing water route and steam water tank respectively through first shunt valve, the water that outside delivery pipe supplied with gets into the steam water tank after water softener softens, the steam water route is from steam water tank water intaking again, steam water route and washing water route mutually noninterfere, make the water that gets into steam generator not have contaminated risk, thereby can avoid the influence of water pollution to steam generator, and, set up the steam water tank and supply water, the steam water tank can be used for continuously storing the water of certain volume, thereby can satisfy the requirement of steam generator work to supplying the water supply volume, guarantee that steam generator can steady normal work all the time, thereby prolong steam generator's life.

The utility model discloses another technical scheme is: the utility model provides a dish washing machine, including the inner bag, be equipped with spray arm and nozzle in the inner bag, dish washing machine still includes foretell dish washing machine's waterway system, and the delivery port in washing waterway links to each other with the water inlet of spray arm, and the delivery port of steam water pipe links to each other with the water inlet of nozzle.

The embodiment of the utility model provides a dish washer's beneficial effect lies in: the application discloses a dish washing machine supplies water through using foretell waterway system, and wherein, the delivery port in washing water route links to each other with the spray arm, will carry to the spray arm through the water after water softener softens for spray and wash the tableware, the steam water route then passes through steam water pipe intercommunication steam water tank and nozzle, steam generator locates and produces steam on the steam water route, steam rethread steam water route carries to the nozzle blowout, is used for improving the temperature in the inner bag. Steam water route and washing water route mutually noninterfere in the dish washer can avoid water pollution to steam generator's influence, guarantees that steam generator can steady normal work all the time, and steam generator fault rate reduces to can effectually avoid influencing the normal work of dish washer because of steam generator trouble, dish washer work is more stable, and the user uses and experiences better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a block diagram illustrating a waterway system of a dishwasher according to an embodiment of the present invention in fig. 1;

fig. 2 is a schematic structural diagram of a waterway system of a dishwasher according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a waterway system of a dishwasher according to another embodiment of the present invention.

In the figures, the various figures are mainly marked:

10. a waterway system;

11. a water softening device; 111. a first shunt valve;

12. a washing water path; 121. a washing water inlet pipe; 122. a water cup; 123. a washing water outlet pipe; 124. a second water pump; 125. a third water pump; 126. a second water diversion valve;

13. a steam waterway; 131. a steam water tank; 132. a steam water pipe; 1321. a water tank supply pipe; 1322. a steam water supply pipe; 1323. a steam delivery pipe; 133. a steam generator; 134. a first water pump;

14. a metering device;

15. a drain pipe; 151. draining pump;

100. an inner container; 101. a spray arm; 102. a nozzle;

200. a water supply pipe; 201. a water inlet valve.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to fig. 1 and 3 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. The features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Reference throughout the specification to "one embodiment," "some embodiments," or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the invention. The appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like in various places in the specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Among the correlation technique, dish washer has the inner bag, is equipped with the bowl basket in the inner bag and is used for placing the tableware of treating the washing, is equipped with rotatable spray arm in the inner bag, spray arm or be located the top of bowl basket, or be located the below of bowl basket, spray arm and dish washer's the delivery port intercommunication in the washing water route, and the washing water route carries the water to spray arm, and the rotatory water blowout of rethread spray arm washes the tableware. Meanwhile, in order to increase the temperature in the inner container, accelerate the drying of the tableware, sterilize the tableware, etc., a nozzle is usually arranged on the inner container, and a steam generator is arranged to be connected with the nozzle, and the nozzle sprays high-temperature steam generated by the steam generator into the inner container, thereby increasing the temperature in the inner container.

Generally, a water cup is arranged at the bottom of the inner container and used for storing washing water for washing tableware, a washing water path is arranged for pumping water from the water cup through a water pump and conveying the water to a spray arm and a steam generator, and the water cup is also used for collecting sewage generated after the tableware is washed, and the sewage is discharged through a drainage pipeline after being collected by the water cup. So, when washing the tableware, the drinking cup both need the clean washing water of temporary storage, the sewage after the washing tableware again, and dish washer uses for a long time, and the washing water that gets into in the drinking cup exists the risk of being polluted by sewage, and to the water that the tableware was washed in the circulation, because the pollutant is by the dilution that bulky washing water is incessant, consequently, can not influence the normal washing of tableware, also can not influence the cleanliness after the tableware washs. However, for the steam generator, because it has a very high requirement on water quality, even if there is slight pollution in the water body, such as increased hardness or oil contamination, it will affect the normal use of the steam generator, and if so, it will result in that the steam generator cannot generate steam at a specified temperature, and if so, it will directly result in that the steam generator is burned out, thus shortening the service life of the steam generator.

Based on this, the utility model discloses an embodiment has carried out optimal design to the waterway system of dish washer, has adjusted steam generator's water supply water route to avoid the harmful effects that water body that pollutes in the drinking cup produced steam generator, for steam generator's normal steady operation provides the guarantee, it is right to combine specific embodiment below the utility model discloses a waterway system of dish washer carries out detailed explanation.

Referring to fig. 1 and fig. 2, wherein fig. 1 is a block diagram illustrating a waterway system of a dishwasher according to an embodiment of the present invention, and fig. 2 is a schematic diagram illustrating a waterway system of a dishwasher according to an embodiment of the present invention, in which arrows are marked on pipelines to indicate a flow direction of water flow, so as to more clearly show a flow path of water flow.

As shown in fig. 1 and 2, an embodiment of the present invention provides a waterway system 10 of a dishwasher, which includes a water softener 11 and a washing waterway 12, a water inlet of the water softener 11 is used for being communicated with an external water supply pipe 200, the external water supply pipe 200 conveys water into the water softener 11, the water softener 11 softens the water, a water outlet of the water softener 11 is provided with a first water distribution valve 111, the first water distribution valve 111 is at least provided with a first water outlet and a second water outlet, the first water outlet and the second water outlet are used for being connected with other water utilization pipelines independently, so as to output the water softened by the water softener 11 independently. The water inlet of the washing water path 12 is connected to the first water outlet of the first water diversion valve 111, the water of the water softening device 11 is conveyed to the washing water path 12, the water outlet of the washing water path 12 is used for being connected to the spray arm 101 arranged in the dishwasher liner 100, and the spray arm 101 sprays out the water conveyed from the washing water path 12 to wash the tableware.

Further, as shown in fig. 1 and 2, the water path system 10 further includes a steam water path 13, the steam water path 13 includes a steam water tank 131, a steam water pipe 132 and a steam generator 133, a second water outlet of the first water dividing valve 111 of the water softening device 11 is connected to a water inlet of the steam water pipe 132, the softened water passing through the water softening device 11 is conveyed into the steam water pipe 132, the steam water tank 131 and the steam generator 133 are both disposed on the steam water pipe 132, the steam generator 133 is disposed between the water outlets of the steam water tank 131 and the steam water pipe 132, and a water outlet of the steam water pipe 132 is used for being connected to the nozzle 102 disposed on the inner container 100. In this way, the steam water tank 131 is used to store softened water output from the water softening device 11, the steam generator 133 takes water from the steam water tank 131, and the generated steam is delivered to the nozzle 102 through the steam water path 13 and sprayed into the inner tub 100 of the dishwasher through the nozzle 102.

The embodiment of the utility model provides a waterway system 10 of dish washer, it is equipped with solitary washing water route 12 and steam water route 13, wherein, steam water route 13 is equipped with steam water tank 131, water softener 11 independently supplies water to washing water route 12 and steam water tank 131 through first shunt valve 111, the water that outside delivery pipe 200 supplied gets into steam water tank 131 after water softener 11 softens, steam water route 13 is from steam water tank 131 water intaking again, steam water route 13 and washing water route 12 mutually noninterfere, there is not contaminated risk in the water that gets into steam generator 133, thereby can avoid the influence of water pollution to steam generator 133, and, set up steam water tank 131 to supply water, steam water tank 131 can be used for continuously storing the water of certain volume, thereby can satisfy the requirement of steam generator 133 work to supplying water quantity, guarantee that steam generator 133 can steady normal work all the time, thereby prolong steam generator 133's life.

Referring to fig. 2 and fig. 3, fig. 3 is a schematic structural diagram of a waterway system of a dishwasher according to another embodiment of the present invention.

In some embodiments of the present invention, as shown in fig. 2, the steam water pipe 132 includes a water tank water supply pipe 1321, the water tank water supply pipe 1321 connects the second water outlet of the second shunt valve 126 and the water inlet of the water tank, the water softened by the water softening device 11 enters the steam water tank 131 through the water tank water supply pipe 1321, generally, when the pressure of the water flowing out from the second shunt valve 126 is large enough, the water can directly flow into the steam water tank 131 through the water tank water supply pipe 1321, and when the water pressure is relatively small, a water pump can be arranged on the water tank water supply pipe 1321, and the water is pumped into the steam water tank 131 through the water pump.

Further, as shown in fig. 2, the steam water pipe 132 further includes a steam water supply pipe 1322 and a steam delivery pipe 1323, wherein the steam water supply pipe 1322 connects the water outlet of the steam water tank 131 and the water inlet of the steam generator 133, and the steam delivery pipe 1323 connects the steam outlet of the steam generator 133 and the nozzle 102. Thus, the steam water tank 131 supplies water to the steam generator 133 through the steam water supply pipe 1322, and the high-temperature steam generated by the steam generator 133 is supplied to the nozzle 102 through the steam supply pipe 1323, so that the pipeline is clear and independent and is not affected by other factors.

In some embodiments, as shown in fig. 2, the steam water circuit 13 further includes a first water pump 134, the first water pump 134 is disposed on the steam water supply pipe 1322, and the first water pump 134 is used for pumping water from the steam water tank 131 to the steam generator 133. Through the volume of drawing water and the pressure of drawing water that sets up first water pump 134, first water pump 134 can be stable draws water from steam water tank 131 to can realize guaranteeing to water yield such as steam generator 133, wait the water pressure to supply water in succession, avoid carrying the water yield and the water pressure of the water body of steam generator 133 to receive the influence of the water yield change in steam water tank 131, further provide the guarantee for steam generator 133's stable work.

In an exemplary embodiment, the first water pump 134 may be independent of an independent water pump outside the steam generator 133, and the first water pump 134 is separately installed, separately repaired and maintained. Of course, in another embodiment, as shown in fig. 2, the first water pump 134 may also be a water pump integrated with the steam generator 133, that is, the steam generator 133 itself is integrated with a pump, and the first water pump 134 and the steam generator 133 form an integrated steam generating component, and are integrally mounted and dismounted.

In other embodiments of the present invention, as shown in fig. 3, the steam water path 13 may further include a pressure increasing valve (not shown), the pressure increasing valve is disposed on the steam delivery pipe 1323, the pressure increasing valve is used to increase the pressure of the high-temperature steam sprayed from the steam generator 133, so that the high-temperature steam can reach the nozzle 102 quickly, and the high-temperature steam is sprayed from the nozzle 102 to fill the whole inner container 100 quickly after being sprayed from the nozzle 102, so that the temperature in the inner container 100 is raised uniformly, and the low-temperature dead angle in the inner container 100 is avoided.

It is understood that in other embodiments, as shown in fig. 2, if the steam pressure sprayed from the steam generator 133 is large enough, or the nozzle 102 has a pressurization function, the above-mentioned pressurization valve may not be provided on the steam delivery pipe 1323, but the steam pressure sprayed from the steam generator 133 may be used, or the pressurization function of the nozzle 102 may be used to realize the rapid spraying of the steam.

In other embodiments of the present invention, as shown in fig. 2, the washing water path 12 includes a washing water inlet pipe 121, a water cup 122 and a washing water outlet pipe 123, the water cup 122 is configured to be disposed in the inner container 100, specifically, the water cup 122 is configured to be installed at a bottom center position of the inner container 100 of the dishwasher, the water cup 122 is configured to temporarily store washing water, a water inlet of the washing water inlet pipe 121 is connected to a first water outlet of the first water distribution valve 111, a water outlet of the washing water inlet pipe 121 is connected to the water cup 122, water in the water softening device 11 is firstly conveyed to the water cup 122 through the washing water inlet pipe 121 for temporary storage, a water inlet of the washing water outlet pipe 123 is connected to the water cup 122, a water outlet of the washing water outlet pipe 123 is configured to be connected to the spray arm 101, and water in the water cup 122 is conveyed to the spray arm 101 disposed in the inner container 100 of the dishwasher through the washing water outlet pipe 123.

In this way, the washing water path 12 takes water from the water softening device 11 through the washing water inlet pipe 121, and then is transferred to the spray arm 101 through the washing water outlet pipe 123 after being stored by the cup 122.

In an embodiment, as shown in fig. 3, the washing water circuit 12 may further include a second water pump 124, the second water pump 124 is disposed on the washing water inlet pipe 121, and the second water pump 124 is configured to pump the water output from the water softening device 11 into the water cup 122 by increasing the water flow pressure, so as to improve the water delivery efficiency.

Of course, in other embodiments, when the pressure of the water flowing out from the second water outlet of the first water dividing valve 111 of the water softening device 11 is large enough to ensure that the water can directly enter the water cup 122, the second water pump 124 may not be needed to supply water under pressure, and the water can be supplied to the water cup 122 by using the residual pressure of the water flowing out from the second water outlet, as shown in fig. 2.

In some embodiments, as shown in fig. 2, the washing water path 12 further includes a third water pump 125, and the third water pump 125 is disposed on the washing water outlet pipe 123 for pumping water in the water cup 122 into the spray arm 101.

In some embodiments, as shown in fig. 2, since a plurality of spray arms 101 are generally disposed in the inner container 100 of the dishwasher, the washing water circuit 12 further includes a second shunt valve 126, an inlet of the second shunt valve 126 is connected to an outlet of the third water pump 125, and each outlet of the second shunt valve 126 is used for being connected to each spray arm 101 in the inner container 100. In this way, the second water dividing valve 126 is arranged to disperse and convey water in the water cup 122 to each spray arm 101, so that each spray arm 101 can independently supply water and independently operate to wash tableware in all directions.

In a specific embodiment, the number of the water outlets of the second water distribution valve 126 is the same as that of the spray arms 101, and one water outlet is correspondingly connected with one spray arm 101. Of course, it is also possible to provide a greater number of spray arms 101 than the number of outlets of the second tapping valve 126, with two or more spray arms 101 sharing a single outlet.

In some embodiments, as shown in fig. 2 and 3, the washing water path 12 further includes a drain pipe 15 and a drain pump 151, wherein an inlet of the drain pipe 15 is connected to an outlet of the water cup 122, an outlet of the drain pipe 15 is used for connecting to an external drain such as a floor drain, and the drain pipe 15 is used for draining the washing sewage collected by the water cup 122 after washing dishes. The drain pump 151 is disposed on the drain pipe to draw the sewage from the cup 122, thereby ensuring that the sewage of the cup 122 can be completely drained without being deposited in the cup 122.

In other embodiments of the present invention, as shown in fig. 1 to 3, the waterway system 10 of the dishwasher further includes a metering device 14, a water outlet of the metering device 14 is communicated with a water inlet of the water softening device 11, a water inlet of the metering device 14 is connected to the water supply pipe 200, after the water enters the metering device 14 from the external water supply pipe 200, the water is treated and softened in the water softening device 11, and the metering device 14 is used for metering the total water consumption of the waterway system 10.

Further, as shown in fig. 2 and 3, an inlet valve 201 is further provided on the water supply pipe 200 for controlling the on/off of the water supply pipe 200, thereby controlling the opening and closing of the waterway system 10.

The utility model discloses the waterway system of dish washer that above-mentioned each embodiment provided, its steam water route and washing water route mutually noninterfere, there is not contaminated risk in the water that gets into steam generator to can avoid the influence of water pollution to steam generator, and, set up the steam water tank and supply water, the water that has certain volume has been deposited always in the steam water tank, can satisfy the requirement of steam generator work to supplying the water yield, guarantee that steam generator can steady normal work all the time, thereby extension steam generator's life.

The utility model discloses another embodiment still provides a dish washer, as shown in fig. 2 and 3, waterway system 10 including inner bag 100 and the aforesaid dish washer, wherein, be equipped with spray arm 101 and nozzle 102 in the inner bag 100, the delivery port in washing water route 12 links to each other with the water inlet of spray arm 101, spray arm 101 sprays out the water that washing water route 12 carried, thereby wash the tableware in inner bag 100, the delivery port of steam water pipe 132 links to each other with the water inlet of nozzle 102, steam water light carries the steam that steam generator 133 produced to nozzle 102, steam is followed nozzle 102 blowout and is got into inner bag 100, thereby can improve the temperature in inner bag 100, improve the tableware temperature, reach disinfection and sterilization and the dry purpose of tableware with higher speed.

The embodiment of the utility model provides a dishwasher, water supply through the waterway system 10 that uses each above-mentioned embodiment to provide, wherein, the delivery port of washing water route 12 links to each other with spray arm 101, will transport to spray arm 101 through the water after water softener 11 softens, be used for spraying and wash the tableware, steam water route 13 then leads to steam water pipe 132 intercommunication steam water tank 131 and nozzle 102, steam generator 133 is located and is produced steam on steam water route 13, steam rethread steam water route 13 is carried to nozzle 102 blowout, a temperature for improving in the inner bag 100. Steam water route 13 and washing water route 12 mutually noninterfere in the dish washer can avoid water pollution to steam generator 133's influence, guarantees that steam generator 133 can steady normal work all the time, and steam generator 133 fault rate reduces to can effectually avoid influencing the normal work of dish washer because of steam generator 133 trouble, dish washer work is more stable, and the user uses and experiences better.

It is understood that the dishwasher has other technical effects of the waterway system 10 provided by the above embodiments, and the detailed description is omitted here.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A waterway system of a dishwasher, comprising:

the water inlet of the water softener is communicated with an external water supply pipe, and the water outlet of the water softener is provided with a first water dividing valve;

a water inlet of the washing water path is connected with a first water outlet of the first water dividing valve, and a water outlet of the washing water path is used for being connected with a spray arm arranged in the inner container of the dishwasher;

the steam water route, including steam water tank, steam water pipe and steam generator, the water inlet of steam water pipe with the second delivery port of first shunt valve links to each other, the delivery port of steam water pipe be used for with locate the nozzle of inner bag links to each other, the steam water tank with steam generator all locates on the steam water pipe, just steam generator locates the steam water tank with between the delivery port of steam water pipe.

2. The waterway system of a dishwasher of claim 1, wherein the steam water pipe includes a water tank water supply pipe connecting the second water outlet and the water inlet of the steam water tank, a steam water supply pipe connecting the water outlet of the steam water tank and the water inlet of the steam generator, and a steam delivery pipe connecting the steam outlet of the steam generator and the nozzle.

3. The waterway system of a dishwasher of claim 2, wherein the steam waterway further includes a first water pump provided on the steam water supply pipe.

4. The waterway system of a dishwasher of claim 2, further comprising a booster valve disposed on the steam duct.

5. The waterway system of a dishwasher according to any one of claims 1 to 4, wherein the washing waterway comprises a washing water inlet pipe, a water cup and a washing water outlet pipe, the water cup is disposed in the inner container, the washing water inlet pipe is connected to the first water outlet and the water cup, a water inlet of the washing water outlet pipe is connected to the water cup, and a water outlet of the washing water outlet pipe is connected to the spray arm.

6. The waterway system of a dishwasher of claim 5, further comprising a second water pump provided on the washing water inlet pipe.

7. The waterway system of a dishwasher of claim 5, further comprising a third pump provided on the washing water outlet pipe.

8. The waterway system of a dishwasher of claim 7, further comprising a second shunt valve, wherein a water inlet of the second shunt valve is connected to a water outlet of the third pump, and each water outlet of the second shunt valve is connected to each spray arm in the inner container.

9. The waterway system of a dishwasher according to any one of claims 1 to 4, further comprising a metering device, wherein a water outlet of the metering device is communicated with a water inlet of the water softening device, and a water inlet of the metering device is connected with the water supply pipe.

10. A dish washing machine comprises an inner container, wherein a spray arm and a nozzle are arranged in the inner container, and the dish washing machine is characterized by further comprising a water path system of the dish washing machine as claimed in any one of claims 1 to 9, a water outlet of a washing water path is connected with a water inlet of the spray arm, and a water outlet of a steam water pipe is connected with a water inlet of the nozzle.

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