CN216984848U - Respirator for cleaning machine and cleaning machine - Google Patents

Abstract

The utility model relates to a respirator for a cleaning machine and the cleaning machine, wherein the respirator comprises a shell, a breathing port, an exhaust port, a water inlet and a water outlet are formed in the shell, and the breathing port is in fluid communication with the exhaust port; the water flow channel is arranged in the shell and is used for fluidly communicating the water inlet with the water outlet, and a siphon port penetrating through the wall thickness of the water flow channel is formed in the side wall of the water flow channel; a compartment disposed in the housing alongside the water flow passage and in fluid communication with the siphon opening; the water passing hole is formed in the side wall of the water flow channel and is in fluid communication with the compartment, the water passing hole is positioned below the siphon port, and the water passing hole is positioned on a water flow path of water flowing out of the siphon port; the baffle is located water hole department, just the baffle can move about towards the direction of keeping away from or being close to the water hole to open or close the water hole, prevent to get into the mouth of breathing from siphon department's water leakage.

Description

Respirator for cleaning machine and cleaning machine

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to a respirator for a cleaning machine and the cleaning machine.

Background

The dish washer is a household appliance for automatically washing tableware, is popular with consumers, but after the dish washer is used for washing, more residual water is left in the inner container and on the tableware, and the residual water is dried through the residual heat of the inner container and the tableware. But because the inner bag residual water is more, the inner bag cooling is very fast, causes the waste heat of inner bag to be not enough to evaporate the residual water for the inner bag still has more water in a very long period of time after having washed the bowl, under the long-time tight circumstances of the dishwasher door body, peculiar smell can be heavier in the dishwasher, and breed the bacterium easily.

To the above-mentioned problem, chinese utility model patent that patent number is CN201820319612.0 (publication number is CN208958049U) discloses a drying system of dish washer, including inner bag and respirator, the respirator sets up outside the inner bag, the respirator is equipped with exhaust passage, inside and outside exhaust passage intercommunication inner bag, still include hot-blast generating device, hot-blast generating device is equipped with hot air output end, hot air output end and the inside intercommunication of inner bag, the inner bag corresponds hot air output end and is equipped with the wind channel nut, the wind channel nut is fixed with hot air output end and inner bag wall, the wind channel nut is equipped with the hole site, the hole site communicates with the inside and hot air output end of inner bag, the hole site includes centre bore and peripheral hole, peripheral annular equipartition in the centre bore periphery.

In the tableware drying stage, hot air generated by the hot air generating device enters the inner container, so that the pressure in the inner container is easily increased. In other words, the high temperature gas generated during the operation of the dishwasher causes the gas pressure in the inner container to be too high, and the gas exchange with the outside through the exhaust passage is needed to balance the gas pressure in the inner container of the dishwasher, and the high temperature gas in the inner container is exhausted through the exhaust passage.

However, the exhaust passage of the above patent only has an exhaust function, and the function is single, and for the problem, the utility model discloses a dish washer respirator and dish washer thereof in the patent application of the utility model of China with the patent number CN201910127515.0 (with the publication number CN109700409A), which comprises an upper shell and a lower shell, wherein a breathing port is arranged on the upper shell or the lower shell, the upper shell and the lower shell are fixedly connected with each other, and a water supply passage, a water drainage passage, a condensation passage, a first anti-siphon passage, a second anti-siphon passage and a regeneration water cavity which are communicated with each other are formed in the upper shell and the lower shell; the inner wall of the breathing port is provided with a disconnected thread part and is fixedly arranged on the inner container of the dishwasher through the disconnected thread part, and the breathing port is communicated with the water supply channel, and/or the water drainage channel, and/or the condensation channel, and/or the first anti-siphon channel, and/or the second anti-siphon channel, and/or the regeneration water cavity; the first anti-siphon channel is at least partially positioned below the water supply channel and penetrates through the lower part of the water supply channel.

The water inlet siphon mouth plays a role in pressure relief, prevents a water supply channel from being blocked, and enables a respirator to be cracked; the water in the water supply channel can be prevented from flowing backwards, although theoretically, the water is cut through the circular arc-shaped circuitous channel and cannot flow out of the water inlet siphon port, a small amount of water still drops under the action of gravity, because the water inlet siphon port, the atmospheric vent and the breathing port are communicated with each other, the water dropping from the water inlet siphon port can enter the inner container from the breathing port, and therefore the problem is caused that the water flowing into the inner container is hard water which is not softened by the water softener, if the hardness of the water is high, on one hand, the surface of a heating device in the dish washing machine can be scaled, the heat conduction is seriously hindered, and the perforation corrosion is generated, so that the heating element is damaged; on the other hand, the surface of the dishwasher and washed tableware are not clean, and the washing quality of the dishwasher is affected.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the utility model is to provide a respirator for a cleaning machine, which can prevent water leaked from a siphon port from entering an inner container, aiming at the current situation of the prior art.

The second technical problem to be solved by the present invention is to provide a cleaning machine using the above respirator, aiming at the current situation of the prior art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a respirator comprises

The air purifier comprises a shell, a water inlet, a water outlet, a breathing port, an air exhaust port and a water outlet, wherein the shell is provided with the breathing port, the air exhaust port, the water inlet and the water outlet, and the breathing port is in fluid communication with the air exhaust port;

the water flow channel is arranged in the shell and is used for communicating the water inlet with the water outlet in a fluid manner, and a siphon port penetrating through the wall thickness of the water flow channel is formed in the side wall of the water flow channel;

the method is characterized in that: also comprises

A compartment disposed in the housing alongside the water flow passage and in fluid communication with the siphon opening;

the water passing hole is formed in the side wall of the water flow channel and is in fluid communication with the compartment, the water passing hole is positioned below the siphon port, and the water passing hole is positioned on a water flow path of water flowing out of the siphon port;

the baffle is arranged at the water passing hole and can move towards the direction far away from or close to the water passing hole, so that the water passing hole is opened or closed.

The baffle can move towards or keep away from and open or close the water hole of crossing the water hole translation, but need design drive baffle translation and the mechanism that resets like this, simple structure ground, the baffle is located among the rivers passageway, and one of them wall of baffle is facing to the water hole, the upper end of baffle is rotated with the lateral wall of rivers passageway through the round pin axle and is linked to each other, the round pin axle is located the top in water hole, the lower extreme of baffle is the free end and can move towards the direction of keeping away from or being close to the water hole. The number of the related parts is less, only the baffle and the pin shaft are designed, when the water flow channel enters water, the water flow channel is filled with flowing water, under the action of water pressure, the baffle deflects towards the direction close to the water through hole and keeps the state of closing the water through hole, and at the moment, the water leaked from the siphon port is stored in the compartment; after the water in the water flow channel is filled, the baffle deflects towards the direction far away from the water through holes under the pressure action of the water in the compartment because the water in the water flow channel is occupied by air, so that the water through holes are opened, and the water in the compartment is discharged into the water flow channel and finally flows to the water outlet; when the water channel enters water again, the baffle plate closes the water passing hole again under the action of water pressure.

In order to reduce the leakage of water at the siphon opening, the water inlet and the water outlet are both arranged at the bottom of the shell, the water flow channel comprises an ascending channel, a descending channel, a bending channel and a rotary channel, the lower end of the ascending channel is in fluid communication with the water inlet, the upper end of the ascending channel upwards extends to be in fluid communication with the bending channel, the other end of the bending channel is in fluid communication with one end of the rotary channel, the other end of the rotary channel is in fluid communication with the upper end of the descending channel, the lower end of the descending channel downwards extends to be in fluid communication with the water outlet, the bending channel and the rotary channel are both in an upwards arched arc shape, the rotary channel is arranged below the bending channel side by side, and the siphon inlet is arranged on the bottom wall of the rotary channel. Because of the arc-shaped structures of the bent channel and the rotary channel, the speed of water flow can be increased when the water flow passes through the bent channel and the rotary channel can cut and pass through the rotary channel under the action of centrifugal force, the water flow basically cannot flow out of the siphon port, and the siphon port can keep the function of communicating the atmosphere; when the water inlet produces negative pressure, the water in the water flow channel and the water softener connected with the water flow channel can produce the trend of backflow due to siphonage, but because the siphon inlet is communicated with the atmosphere, air in the atmosphere can enter the rotary channel through the siphon inlet, the negative pressure of the water inlet is balanced, and the water in the water flow channel can not flow back.

In order to form a compartment in the shell, a partition board is arranged in the shell, the upper end of the partition board is connected with the rotary channel, the lower end of the partition board is connected with the descending channel, and the partition board, the rotary channel and the descending channel jointly enclose the compartment. Therefore, the parts required for enclosing the compartment are reduced by means of the side wall of the descending channel, and the communication with the water passing hole and the siphon port is facilitated.

In order to enable water flowing out of the siphon port to smoothly flow into the water through holes, the partition plate inclines towards the descending channel from top to bottom, the water through holes are formed in the side wall of the descending channel from the connection position of the side wall and the lower end of the partition plate, and the siphon port is located right above the partition plate. The baffle plays the effect of water conservancy diversion, and the water that spills from the siphon mouth falls on the baffle, then flows into in the water hole along the baffle.

Preferably, the wall surface of the baffle plate facing the water passing hole is provided with a convex strip, and the lower end of the partition plate is provided with a clamping groove for clamping the convex strip therein. The closing effect of the baffle plate on the water passing hole is ensured, and water flow is prevented from entering the compartment when the water flow channel enters water.

In the tableware drying stage, hot air flow enters the inner container, so that the pressure in the inner container is easily increased. In other words, the high temperature gas generated during the operation of the dishwasher causes the gas pressure of the inner container to be too high, and the gas exchange with the outside through the respirator is needed to balance the gas pressure in the inner container of the dishwasher, so that the high temperature gas in the inner container is discharged through the respirator. Therefore, an airflow channel communicated with the breathing port and the exhaust port is arranged in the shell, and the breathing port is positioned at the upstream of the exhaust port along the airflow flowing direction. Therefore, the high-temperature gas in the inner container flows out through the breathing port, the airflow channel and the exhaust port in sequence.

In order to accelerate the discharge of high-temperature gas, a fan is arranged in the airflow channel, an air inlet hole of the fan is in fluid communication with the breathing port, and an air outlet hole of the fan is in fluid communication with the air outlet.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: a cleaning machine is characterized in that: including inner bag, water softener and above-mentioned respirator, the inner bag is inside to have the washing chamber, set up the exhaust hole with washing chamber phase fluid intercommunication on the lateral wall of inner bag, the casing sets up in the outside of inner bag and installs on the lateral wall of inner bag, breathe the mouth and set up on the lateral wall of casing facing to the inner bag, just breathe mouth and exhaust hole phase fluid intercommunication, the delivery port is with the inlet opening phase fluid intercommunication of water softener.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the compartment and the baffle are designed in the shell, when water enters the water flow channel, the water flow channel is filled with flowing water, under the action of water pressure, the baffle moves towards the direction close to the water through hole and keeps the state of closing the water through hole, and at the moment, water leaked from the siphon port is stored in the compartment; after the water in the water flow channel is filled, the baffle is occupied by air, and the baffle moves towards the direction far away from the water through hole under the pressure of the water stored in the compartment, so that the water through hole is opened, the water stored in the compartment is discharged into the water flow channel and finally flows to the water outlet; when the water channel is filled with water again, the baffle plate closes the water through hole again under the action of water pressure, so that the water leaked from the siphon port can not flow into the breathing port but can flow into the water channel; when the respirator is applied to a cleaning machine, water leaking from the siphon port can be prevented from entering the inner container, and hard water which is not softened by the water softener is prevented from directly entering the inner container to generate scale; and the water flow channel is integrated on the respirator, so that not only is the space saved, but also the waste heat of the inner container can be utilized to heat the water in the water flow channel.

Drawings

FIG. 1 is a schematic structural diagram of a cleaning machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;

FIG. 3 is a schematic structural view of the respirator of FIG. 2;

FIG. 4 is a schematic view of the structure of FIG. 3 with one of the half shells removed;

FIG. 5 is an enlarged view of FIG. 4 at A (the water through hole is opened by the baffle);

FIG. 6 is a schematic view showing the water passing hole closed by the shutter;

FIG. 7 is a schematic view of the water flow of FIG. 3;

fig. 8 is a cross-sectional view of fig. 3.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 4, the cleaning machine of the preferred embodiment includes an inner container 1, a water softener (not shown in the figure), and a respirator a, wherein the respirator a includes a housing 2, and the housing 2 is formed by joining two half shells. The shell 2 is arranged outside the inner container 1 and is installed on the side wall of the inner container 1, the inner container 1 is internally provided with a washing cavity 11, the side wall of the inner container 1 is provided with an exhaust hole 12 which is in fluid communication with the washing cavity 11, the side wall of the shell 2 facing the inner container 1 is provided with a breathing port 21, the breathing port 21 is in fluid communication with the exhaust hole 12, the shell 2 is further provided with an exhaust port 22, an airflow channel 23 which is communicated with the exhaust port 22 and the breathing port 21 is arranged inside the shell 2, and the breathing port 21 is positioned at the upstream of the exhaust port 22 along the airflow flowing direction. In the tableware drying stage, hot air flow enters the inner container 1, so that the pressure in the inner container 1 is easily increased. In other words, the high-temperature gas generated during the operation of the dishwasher causes the gas pressure of the inner container 1 to be too high, and gas exchange with the outside through the respirator a is required to balance the gas pressure in the inner container 1 of the dishwasher, so that the high-temperature gas in the inner container 1 flows out through the breathing port 21, the gas flow channel 23 and the exhaust port 22 in sequence. The air flow channel 23 is provided with a fan 3, an air inlet hole of the fan 3 is in fluid communication with the breathing port 21, and an air outlet hole of the fan 3 is in fluid communication with the air outlet 22, so as to accelerate the discharge of high-temperature gas. The fan 3 may adopt a structure of the prior art.

The bottom of the shell 2 is provided with a water inlet 24 and a water outlet 25, the water inlet 24 is in fluid communication with an external water source, the water outlet 25 is in fluid communication with a water inlet hole of the water softener, water is softened by the water softener and then enters the washing cavity 11 of the inner container 1, and tableware, fruits, vegetables and the like in the washing cavity 11 are washed. Otherwise, water directly enters the washing cavity 11 without softening, and if the hardness of the water is high, on one hand, scale is formed on the surface of a heating device in the washing machine, heat conduction is seriously hindered, and perforation corrosion is generated to damage a heating element; on the other hand, the surface of the washing machine and the washed tableware are not clean, and the washing quality of the washing machine is affected. The water softener may have a conventional structure, such as that shown in "a water softener 6 and a dish washer" disclosed in the chinese utility model patent No. CN202022097007.3 (publication No. CN 214017448U).

A water flow passage 26 is formed in the housing 2, the water flow passage 26 fluidly connects the water inlet 24 and the water outlet 25, and a water flow meter 265 is formed in the water flow passage 26, wherein the water flow meter 265 may be of a conventional structure. In this embodiment, the water flow channel 26 includes an ascending channel 261, a descending channel 262, a bent channel 263 and a revolving channel 264, the lower end of the ascending channel 261 is in fluid communication with the water inlet 24, the upper end of the ascending channel 261 extends upward to be in fluid communication with the bent channel 263, the other end of the bent channel 263 is in fluid communication with one end of the revolving channel 264, the other end of the revolving channel 264 is in fluid communication with the upper end of the descending channel 262, the lower end of the descending channel 262 extends downward to be in fluid communication with the water outlet 25, the bent channel 263 and the revolving channel 264 are both in an upwardly arched arc shape, the revolving channels 264 are arranged side by side below the bent channel 263, and a siphon orifice 2641 penetrating the wall thickness of the bottom wall of the revolving channel 264 is provided, as shown in fig. 8.

Due to the arc-shaped structure of the bent passage 263 and the revolving passage 264, the water flow will be accelerated when passing through, and will be cut through from the revolving passage 264 under the action of centrifugal force, without substantially flowing out from the siphon port 2641, and the siphon port 2641 can maintain the function of communicating with the atmosphere; when negative pressure is generated at the water inlet 24, the water in the water flow channel 26 and the water softener connected with the water flow channel 26 tends to flow back due to siphoning, but because the siphon port 2641 is communicated with the atmosphere, air in the atmosphere can enter the rotary channel 264 through the siphon port 2641, so that the negative pressure of the water inlet 24 is balanced, and the water in the water flow channel 26 cannot flow back; or if the water passage 26 is blocked, the siphon port 2641 can be vented to prevent the housing 2 from bursting.

However, a small amount of water may still leak from the siphon port 2641, if the leaked water flows directly from the breathing port 21 into the liner 1, and if the water quality is hard, scale may be generated, so that as shown in fig. 3, 4 and 5, a compartment 27 is further provided in the housing 2 beside the water flow channel 26 and in fluid communication with the siphon port 2641, and the compartment 27 in this embodiment is defined by: the shell 2 is provided with a partition 28, the upper end of the partition 28 is connected with a rotary channel 264, the lower end of the partition 28 is connected with a descending channel 262, and the partition 28, the rotary channel 264 and the descending channel 262 enclose a compartment 27.

The partition plate 28 inclines towards the descending channel 262 from top to bottom, a water passing hole 2621 is formed in the side wall of the descending channel 262 from the connection position of the side wall and the lower end of the partition plate 28, the water passing hole 2621 is located below the siphon port 2641, the siphon port 2641 is located right above the partition plate 28, and thus the siphon port 2641 and the water passing hole 2621 are both in fluid communication with the compartment 27. The partition 28 functions to guide the water leaking from the siphon port 2641 to fall on the partition 28 and then to flow into the water through hole 2621 along the partition 28, that is, the water through hole 2621 is located on the flow path of the water flowing from the siphon port 2641.

Be equipped with baffle 5 in the passageway 262 that descends, one of them wall of baffle 5 is facing to water hole 2621, and the upper end of baffle 5 is passed through round pin axle 51 and is rotated with the lateral wall of passageway 262 that descends and link to each other, and round pin axle 51 is located the top of water hole 2621, and the lower extreme of baffle 5 is the free end and can move towards the direction of keeping away from or being close to water hole 2621. Of course, the baffle 5 may open and close the water passing hole 2621 not by rotating, but by moving toward or away from the water passing hole 2621.

As shown in fig. 6, when the water passage 26 is filled with flowing water, the baffle 5 is deflected toward the water passing hole 2621 by the water pressure and keeps the state of closing the water passing hole 2621, and the water leaking from the siphon port 2641 is stored in the compartment 27; after water enters the water flow channel 26, the baffle 5 deflects towards the direction away from the water through holes 2621 under the pressure action of water stored in the compartment 27 because the water flow channel 26 is occupied by air, so that the water through holes 2621 are opened, as shown in fig. 5, the water stored in the compartment 27 is discharged into the water flow channel 26 and finally flows to the water outlet 25, thus preventing the water leaked from the siphon port 2641 from entering the inner container 1, and preventing hard water which is not softened by the water softener from directly entering the inner container 1 to generate scale; when the water channel 26 is filled with water again, the baffle 5 closes the water through hole 2621 again under the action of water pressure. The water flow path in the water flow passage 26 is shown as path a in fig. 7, and the water flow path of the water leaking from the siphon port 2641 is shown as path B in fig. 7.

As shown in fig. 5, the wall surface of the baffle 5 facing the water passing hole 2621 is provided with a protruding strip 52, and the lower end of the partition 28 is provided with a locking groove 282 for the protruding strip 52 to be locked in, so as to ensure the closing effect of the baffle 5 on the water passing hole 2621 and prevent the water flow from entering the compartment 27 when the water flow channel 26 enters water.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions, which are hereinafter referred to collectively as a first portion and a second portion, respectively, in which a fluid gas, a liquid, or a mixture of both, can flow along a flow path from the first portion and/or be transported to the second portion, and may be direct communication between the first portion and the second portion, or indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a pipe, a channel, a conduit, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow therethrough, or a combination thereof.

Claims (9)

1. A respirator comprises

The air purifier comprises a shell (2), wherein a breathing port (21), an exhaust port (22), a water inlet (24) and a water outlet (25) are formed in the shell (2), and the breathing port (21) is communicated with the exhaust port (22) in a fluid manner;

the water flow channel (26) is arranged in the shell (2), the water flow channel (26) is used for communicating the water inlet (24) with the water outlet (25) in a fluid mode, and a siphon port (2641) penetrating through the wall thickness of the water flow channel (26) is formed in the side wall of the water flow channel (26);

the method is characterized in that: also comprises

A compartment (27) disposed in the housing (2), the compartment (27) being located alongside the water flow passage (26) and in fluid communication with the siphon port (2641);

a water flow hole (2621) opened in a side wall of the water flow passage (26) and in fluid communication with the compartment (27), the water flow hole (2621) being positioned below the siphon port (2641) and the water flow hole (2621) being positioned in a water flow path of water flowing out of the siphon port (2641);

the baffle (5) is arranged at the water passing hole (2621), and the baffle (5) can move towards the direction away from or close to the water passing hole (2621) so as to open or close the water passing hole (2621).

2. The respirator of claim 1, wherein: during rivers passageway (26) was located in baffle (5), and one of them wall of baffle (5) is facing to crossing water hole (2621), the upper end of baffle (5) is passed through round pin axle (51) and is rotated with the lateral wall of rivers passageway (26) and be linked to each other, round pin axle (51) are located the top of crossing water hole (2621), the lower extreme of baffle (5) is the free end and can move towards the direction of keeping away from or being close to crossing water hole (2621).

3. The respirator of claim 2, wherein: the water inlet (24) and the water outlet (25) are arranged at the bottom of the shell (2), the water flow channel (26) comprises an ascending channel (261), a descending channel (262), a bent channel (263) and a rotary channel (264), the lower end of the ascending channel (261) is in fluid communication with the water inlet (24), the upper end of the ascending channel (261) extends upwards to be in fluid communication with the bent channel (263), the other end of the bent channel (263) is in fluid communication with one end of the rotary channel (264), the other end of the rotary channel (264) is in fluid communication with the upper end of the descending channel (262), the lower end of the descending channel (262) extends downwards to be in fluid communication with the water outlet (25), the bent channel (263) and the rotary channel (264) are both in an arc shape which is arched upwards, and the rotary channels (264) are arranged below the bent channel (263) side by side, the siphon port (2641) is provided on the bottom wall of the rotary passage (264).

4. A respirator as claimed in claim 3, wherein: a partition plate (28) is arranged in the shell (2), the upper end of the partition plate (28) is connected with the rotary channel (264), the lower end of the partition plate (28) is connected with the descending channel (262), and the partition plate (28), the rotary channel (264) and the descending channel (262) jointly enclose the compartment (27).

5. The respirator of claim 4, wherein: the partition plate (28) inclines towards the descending channel (262) from top to bottom, the side wall of the descending channel (262) is provided with the water passing holes (2621) from the connection part of the side wall and the lower end of the partition plate (28), and the siphon opening (2641) is positioned right above the partition plate (28).

6. The respirator of claim 4, wherein: the wall surface of the baffle (5) facing the water passing hole (2621) is provided with a convex strip (52), and the lower end of the partition plate (28) is provided with a clamping groove (282) for clamping the convex strip (52) in.

7. A respirator according to any one of claims 1 to 6, wherein: be equipped with air current passageway (23) that intercommunication respiratory opening (21) and gas vent (22) in casing (2), along the air current flow direction, respiratory opening (21) are located the upper reaches of gas vent (22).

8. The respirator of claim 7, wherein: the air flow channel (23) is internally provided with a fan (3), an air inlet hole of the fan (3) is in fluid communication with the breathing port (21), and an air outlet hole of the fan (3) is in fluid communication with the exhaust port (22).

9. A cleaning machine is characterized in that: the respirator comprises an inner container (1), a water softener and the respirator as claimed in any one of claims 1 to 8, wherein a washing cavity (11) is arranged inside the inner container (1), an exhaust hole (12) communicated with the washing cavity (11) in a fluid mode is formed in the side wall of the inner container (1), the shell (2) is arranged outside the inner container (1) and is installed on the side wall of the inner container (1), a breathing port (21) is formed in the side wall, facing the inner container (1), of the shell (2), the breathing port (21) is communicated with the exhaust hole (12) in a fluid mode, and a water outlet (25) is communicated with a water inlet hole of the water softener in a fluid mode.

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