CN212165742U - Respirator for dish washing machine and dish washing machine with respirator - Google Patents

Abstract

The utility model discloses a dish washer that is used for respirator of dish washer and has it, the respirator includes: the casing is formed with the breathing hole with the cavity of dish washer and outside atmosphere intercommunication on the casing, is formed with the spray arm runner in the casing, goes up the both ends of spray arm runner and is formed with spray arm runner import and spray arm runner export, and spray arm runner export communicates in the last spray arm of dish washer. According to the utility model discloses a respirator for dish washer through set up the breathing hole on the casing, can balance the internal and external air pressure of cavity, makes rivers can flow into spray arm on the dish washer through the respirator smoothly, will go up spray arm runner integration in the respirator casing, can practice thrift the dish washer space, reduces the installation procedure, also can reduce the risk that spray arm runner leaked.

Description

Respirator for dish washing machine and dish washing machine with respirator

Technical Field

The utility model belongs to the technical field of domestic appliance technique and specifically relates to a dish washer that is used for respirator of dish washer and has it.

Background

In order to realize the functions of water inlet, water discharge, siphon prevention, upper spray arm waterway and the like of the dishwasher waterway, the dishwasher has more structural parts and complex installation, and increases the water leakage risk.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a breather for dish washer and dish washer that has it, a breather for dish washer can save the dish washer space, is convenient for install, reduces the probability of leaking.

The utility model also provides a dish washer of having above-mentioned respirator.

According to the utility model discloses a respirator for dish washer of first aspect includes: the casing, be formed with on the casing with the breathing hole of the cavity of dish washer and outside atmosphere intercommunication, be formed with the spray arm runner in the casing, the both ends of going up the spray arm runner are formed with spray arm runner import and spray arm runner export, spray arm runner export communicate in the last spray arm of dish washer.

According to the utility model discloses a respirator for dish washer through set up the breathing hole on the casing, can balance the internal and external air pressure of cavity, makes rivers can flow into spray arm on the dish washer through the respirator smoothly, will go up spray arm runner integration in the respirator casing, can practice thrift the dish washer space, reduces the installation procedure, also can reduce the risk that spray arm runner leaked.

In some embodiments of the present invention, a breathing passage is formed in the casing, an air outlet is formed on the casing, the air outlet communicates with the outside atmosphere, one end of the breathing passage is connected with the air outlet, and the other end of the breathing passage extends to the breathing hole.

According to some embodiments of the utility model, go up the spray arm runner and extend along upper and lower direction, spray arm runner import form in go up the bottom of spray arm runner, spray arm runner export form in go up the top of spray arm runner.

According to some embodiments of the present invention, a drainage channel is further formed in the casing and spaced apart from the upper spray arm flow channel, the drainage channel has a drainage inlet and a drainage outlet, and an air vent for balancing internal and external air pressures of the drainage channel is formed on a peripheral wall of the drainage channel.

Further, the drain passage is formed in a substantially downward-opening U-shape, and the vent hole is formed in an upper portion of the drain passage.

In some examples, the shell is further provided with an air inlet channel, one end of the air inlet channel is communicated with the outside atmosphere, and the other end of the air inlet channel is communicated with the vent hole.

Furthermore, a control valve for controlling the on-off of the air inlet channel is arranged on the shell. The control valve is a one-way valve.

According to some embodiments of the utility model, still be formed with in the casing with go up spray arm runner spaced apart arrangement's inhalant canal, inhalant canal has into water entry and water inlet outlet, water inlet outlet be suitable for with spray arm runner import links to each other, in order to go up the spray arm runner and carry into water.

Furthermore, a water softener of the dishwasher is connected in series between the water inlet outlet and the spray arm flow passage inlet.

In a specific example, a flow meter is connected in series with the water inlet channel.

According to some embodiments of the utility model, be formed with the regeneration entry on the perisporium of inlet channel, be formed with the regeneration chamber that is used for the water storage in the casing, the regeneration chamber with regeneration entry intercommunication, the regeneration chamber has the regeneration export.

Furthermore, a switching valve for controlling the connection and disconnection of the water inlet channel and the regeneration cavity is arranged on the water inlet channel.

According to some embodiments of the utility model, the inlet with the outlet of intaking all form in the lower part of casing, the upper portion of inhalant canal is formed with and is used for balancing inhalant canal's inside and outside atmospheric pressure prevent the siphon hole, prevent the siphon hole with the breathing hole intercommunication.

According to an embodiment of the present invention, the housing includes: the bottom plate extends along the vertical direction, the upper spray arm flow channel is formed on the surface of one side of the bottom plate along the thickness direction, and the cover plate covers the bottom plate and seals the upper spray arm flow channel.

The dishwasher according to the second aspect of the present invention comprises the respirator for a dishwasher according to the first aspect of the present invention.

According to the utility model discloses a dish washer, through setting up the respirator for dish washer of above-mentioned first aspect, can practice thrift the space, simplify assembly process, also can reduce the risk of leaking.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

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

fig. 2 is a schematic view of the internal structure of the respirator of the dishwasher shown in fig. 1.

Reference numerals:

the dishwasher 100:

the cavity body 1 is provided with a cavity body,

the breathing apparatus 2 is provided with a breathing device,

an upper spray arm channel 21, a spray arm channel inlet 211, a spray arm channel outlet 212,

the breathing passage 22, the air outlet 221, the breathing hole 222,

a drain channel 23, a drain inlet 231, a drain outlet 232,

the intake passage 24, the air vent 241, the control valve 242,

a water inlet channel 25, a water inlet 251, a water inlet 252, a flow meter 253,

the volume of the regeneration chamber 26, the regeneration outlet 261,

a first partition 27, a second partition 28, a housing 29, a cover 291, and a bottom 292.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

A respirator 2 for a dishwasher 100 according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 and 2.

As shown in fig. 1, a respirator 2 for a dishwasher 100 according to a first aspect of the present invention according to an embodiment of the first aspect of the present invention includes: a housing 29.

Specifically, a breathing hole 222 is formed on the housing 29, the breathing hole 222 can communicate with the chamber 1 of the dishwasher 100 and the external atmosphere, an upper spray arm flow passage 21 is formed in the housing 29, a spray arm flow passage inlet 211 and a spray arm flow passage outlet 212 are formed at two ends of the upper spray arm flow passage 21, and the spray arm flow passage outlet 212 communicates with an upper spray arm (not shown) of the dishwasher 100, so that water flows into the upper spray arm flow passage 21 from the spray arm flow passage inlet 211, flows into the upper spray arm connected thereto from the spray arm flow passage outlet 212, and finally is sprayed out from the upper spray arm, thereby washing dishes, and meanwhile, the breathing hole 222 in this embodiment can balance the air pressure inside and outside the chamber 1 when the water flows through the respirator 2, so that the water can smoothly flow into the chamber through the respirator 2.

According to the utility model discloses a respirator 2 for dish washer 100 through set up breathing hole 222 on casing 29, can balance the inside and outside air pressure of cavity 1, makes rivers can flow into dish washer 100's cavity 1 through respirator 2 smoothly in, will go up spray arm runner 21 integration in respirator 2 casing 29, can practice thrift dish washer 100 space, reduces the installation procedure, also can reduce the risk that spray arm runner 21 leaked.

According to some embodiments of the invention, the housing 29 comprises: a bottom plate 292 and a cover plate 291, the bottom plate 292 extending in a vertical direction (e.g., up and down direction as shown in fig. 1), one side surface of the bottom plate 292 in a thickness direction (e.g., the front side of the breather 2 shown in fig. 2) being formed with an upper nozzle arm flow passage 21, the cover plate 291 covering the bottom plate 292 and closing the upper nozzle arm flow passage 21. Thus, the upper spray arm flow passage 21 can be formed in a closed structure to prevent water leakage.

In some embodiments of the present invention, the housing 29 may have the breathing channel 22 formed therein, the housing 29 may have an air outlet 221 formed thereon, the air outlet 221 communicates with the outside atmosphere, one end of the breathing channel 22 may be connected to the air outlet 221, and the other end of the breathing channel 22 extends to the breathing hole 222. Therefore, when the water flow enters the respirator 2 and causes the air pressure in the respirator 2 to be higher than the air pressure outside the respirator 2, the air in the breathing passage 22 can be discharged from the air outlet hole 221, so that the air pressure inside and outside the respirator 2 is balanced, and the water flow can smoothly flow through the respirator 2.

As shown in fig. 2, according to some embodiments of the present invention, the upper spray arm channel 21 extends along the vertical direction, the spray arm channel inlet 211 is formed at the bottom of the upper spray arm channel 21, the spray arm channel outlet 212 is formed at the top of the upper spray arm channel 21, therefore, the water can be conveniently entered by setting the spray arm channel inlet 211 at the bottom of the upper spray arm channel 21, the spray arm channel outlet 212 is arranged at the top of the upper spray arm channel 21, so that the spray arm channel outlet 212 is connected with the upper spray arm, so that the water flow can be conveniently sprayed from the high place, and the washing effect is better.

According to some embodiments of the present invention, a drainage channel 23 is further formed in the housing 29, the drainage channel 23 may be spaced apart from the upper spray arm flow channel 21, the drainage channel 23 has a drainage inlet 231 and a drainage outlet 232, an air vent 241 is formed on a peripheral wall of the drainage channel 23, and the air vent 241 may be used to balance the internal and external air pressures of the drainage channel 23. The drain passage 23 in this embodiment may facilitate the drainage of the washing water after washing dishes, and the vent 241 may facilitate the smooth drainage of the washing water from the drain passage 23.

Further, referring to fig. 2, the drain passage 23 is formed in a substantially downward-opening U-shape, and the vent hole 241 is formed in an upper portion of the drain passage 23. Because the water flow in the U-shaped channel is easy to generate siphon phenomenon, the arrangement of the vent 241 can balance the internal and external air pressure of the drainage channel 23, thereby leading the waste water to be discharged smoothly.

In some examples, an air intake passage 24 is also formed in the housing 29, and one end of the air intake passage 24 communicates with the outside atmosphere and the other end communicates with the vent 241. Thus, when the air pressure in the drain passage 23 is higher than the air pressure in the dishwasher 100, causing the siphon and backflow of the washing water, the external air may flow into the air inlet passage 24 and enter the drain passage 23 through the vent 241, balancing the air pressure inside and outside the drain passage 23, and making the washing water smoothly flow out of the dishwasher 100 through the drain passage 23.

Further, a control valve 242 is provided on the housing 29, and the control valve 242 may be used to control the opening and closing of the intake passage 24. For example, as shown in fig. 2, the control valve 242 may be provided at one end of the intake passage 24, and the control valve 242 may be a check valve.

For example, as shown in fig. 2, the drain passage 23 may be formed at the right side of the upper spray arm channel 21, the drain passage 23 may be spaced apart from the upper spray arm channel 21 by a first partition plate 27, the drain passage 23 is formed in a substantially downward-opening U-shape, the drain inlet 231 and the drain outlet 232 may be formed at the bottom of the housing 29, the vent hole 241 may be formed by a channel wall of the drain passage 23 spaced apart from the first partition plate 27, the intake passage 24 is connected to the vent hole 241, the intake passage 24 may extend substantially upward, and the control valve 242 may be located at the upper end of the intake passage 24. When the water is drained, the washing water may enter the drain passage 23 from the drain inlet 231 and exit the drain passage 23 from the drain outlet 232, when the air pressure in the drain passage 23 is higher than the air pressure in the dishwasher 100, causing the washing water to siphon and flow backwards, the control valve 242 may be opened, the external atmosphere may flow into the air inlet passage 24 through the control valve 242 and enter the drain passage 23 through the vent 241, balancing the air pressure inside and outside the drain passage 23, so that the washing water may smoothly flow out of the dishwasher 100 through the drain passage 23.

According to some embodiments of the utility model, still be formed with inhalant canal 25 in the casing 29, inhalant canal 25 can be spaced apart from last spray arm runner 21 and arrange, and inhalant canal 25 has into water entry 251 and water inlet outlet 252, and water inlet outlet 252 is suitable for and links to each other with spray arm runner import 211 to carry into water to last spray arm runner 21. Thus, water can enter the inlet channel 25 from the inlet 251 and enter the upper spray arm channel 21 through the inlet outlet 252 to deliver inlet water for operation of the dishwasher 100.

Further, a water softener (not shown) of the dishwasher 100 is connected in series between the inlet water outlet 252 and the arm fluid passage inlet 211. Therefore, the washing effect can be improved after the water flows through the water softener to be softened.

In one particular example, a flow meter 253 is coupled in series with the inlet channel 25. Thereby, it is convenient to control the water intake amount of the dishwasher 100 in each washing course.

According to some embodiments of the utility model, be formed with the regeneration entry on inlet channel 25's the perisporium, be formed with regeneration chamber 26 in the casing 29, regeneration chamber 26 can the water storage, regeneration chamber 26 and regeneration entry intercommunication, regeneration chamber 26 has regeneration export 261. From this, rivers in the inhalant canal 25 can flow into regeneration chamber 26 through regeneration entry, and regeneration chamber 26 can link to each other with the water softener through regeneration export 261, because after the water softener worked a period, the soft water effect of the resin in the water softener can reduce, and the storage water in regeneration chamber 26 can be used for purifying the resin in the water softener, makes the soft water function of water softener resume.

Further, the water inlet channel 25 may be provided with a switching valve (not shown), and the switching valve may be used to control the connection and disconnection between the water inlet channel 25 and the regeneration chamber 26. Because the resin in the water softener needs to be cleaned at intervals, the water in the regeneration cavity 26 only needs to be supplemented after the resin is purified, and the switching valve can be opened timely as required to supplement the water in the regeneration cavity 26. It is understood that a water softener inlet valve (not shown) may be disposed between the regeneration chamber 26 and the water softener, and the water softener inlet valve may be opened at a proper time as required to facilitate the water in the regeneration chamber 26 to enter the water softener.

According to some embodiments of the utility model, the inlet 251 and the inlet 252 are formed in the lower part of casing 29, and the upper portion of inhalant canal 25 is formed with prevents the siphon hole, prevents that the siphon hole can be used to the inside and outside atmospheric pressure of balanced inhalant canal 25, prevents that the siphon hole can communicate with breathing hole 222 through breathing passageway 22. Therefore, when water flows into the water inlet channel 25 and the air pressure in the water inlet channel 25 is higher than the external air pressure, the air pressure in the water inlet channel 25 can be discharged through the anti-siphon holes, the internal air pressure and the external air pressure of the water inlet channel 25 are balanced, and siphoning of the water flow is prevented.

For example, as shown in fig. 2, the water inlet channel 25 may be spaced apart from the upper spray arm channel 21, the water inlet channel 25 may be disposed on the right side of the upper spray arm channel 21, the air inlet channel 24 may be disposed between the water inlet channel 25 and the upper spray arm channel 21, the water inlet channel 25 may be formed in a substantially circuitous structure, the water inlet channel 25 may include a water inlet section, an anti-siphon section, and a water outlet section, the water inlet section may extend substantially upward, the anti-siphon section may be formed in a U-shaped section with a downward opening, wherein an anti-siphon hole may be formed in a lower sidewall of the anti-siphon section, the water outlet section may be spaced apart from the water inlet section, the water inlet 251 may be formed at a lower end of the water inlet section, and the water outlet 252 may be formed at a lower end of the water outlet section; wherein, flowmeter 253 can be located the intake section, and regeneration chamber 26 can be formed at the downside of breathing passageway 22, can be equipped with the diverter valve between regeneration chamber 26 and inhalant canal 25, and the rivers in the inhalant canal 25 can be controlled to the diverter valve get into regeneration chamber 26.

Therefore, when the dishwasher 100 works for the first time, when water enters the dishwasher 100 through the respirator 2, the water sequentially passes through the water inlet 251, the water inlet channel 25 (flow meter 253), the water inlet outlet 252, the water softener, the spray arm runner inlet 211, the upper spray arm runner 21, the spray arm runner outlet 212 and the upper spray arm, meanwhile, part of the water can flow into the regeneration cavity 26 from the regeneration inlet for storage, and when the regeneration cavity 26 is full of water, the switching valve is closed; when the washing program of the dishwasher 100 is finished, the water flow sequentially passes through the drain inlet 231, the drain channel 23 and the drain outlet 232 and flows out of the dishwasher 100; when the dishwasher 100 is used for a period of time and the resin in the water softener needs to be purified, the switching valve may be opened to purify the resin using the water stored in the regeneration chamber 26, and the purified water may be discharged from the regeneration outlet 261.

When water enters the respirator 2 from the water inlet channel 25, the breathing holes 222 can balance the air pressure inside and outside the water inlet channel 25, so that the water can smoothly enter the dishwasher 100 from the water inlet channel 25; when the washing water flows out of the breather 2 from the drain passage 23, the control valve 242 can balance the air pressure inside and outside the drain passage 23, so that the washing water can be smoothly discharged from the drain passage 23.

The dishwasher 100 according to the second aspect of the present invention comprises the respirator 2 and the upper spray arm for the dishwasher 100 according to the first aspect of the present invention.

Specifically, the spray arm fluid passage outlet 212 is in communication with the upper spray arm, whereby water in the spray arm fluid passage can be sprayed from the upper spray arm to provide a source of water for the dishwasher 100 to wash dishes.

According to the utility model discloses a dish washer 100, through setting up the respirator 2 for dish washer 100 of above-mentioned first aspect, can practice thrift the space, simplify assembly process, also can reduce the risk of leaking.

A specific embodiment of a dishwasher 100 according to the present invention is described below with reference to fig. 1 and 2.

As shown in fig. 1, the dishwasher 100 according to the second aspect of the present invention may include a breather 2, a chamber 1 and a housing (not shown) for the dishwasher 100 according to the first aspect of the present invention.

Wherein, the breather 2 for the dishwasher 100 according to the first aspect of the present invention may be mounted at a side wall of the dishwasher 100 between the chamber 1 and the housing of the dishwasher 100. The respirator 2 may include: a breathing passage 22, a drainage passage 23, an air inlet passage 24, an water inlet passage 25, a regeneration cavity 26 and an upper spray arm flow passage 21.

When the dishwasher 100 is used for water inflow, water enters the water softener from the water inlet 251 of the water inlet channel 25 through the flowmeter 253 and the water inlet outlet 252, when water enters into the water softener for siphoning, the breathing hole 222 works, and atmosphere enters the anti-siphoning section of the water inlet channel 25 through the anti-siphoning hole, so that the pressure difference in the water inlet channel 25 is balanced, and the water is prevented from being sucked backwards;

when the dishwasher 100 drains, water enters the drain channel 23 from the chamber 1 through the drain inlet 231 and is discharged from the drain outlet 232, and the control valve 242 is closed; when the drain is siphoned, the control valve 242 in the air inlet passage 24 is opened, and the atmospheric air enters the drain passage 23 through the control valve 242 to balance the pressure difference in the drain passage 23, thereby preventing the drain suck-back phenomenon.

The water in the regeneration cavity 26 of the breather 2 is used for restoring the capacity of the resin in the water softener for softening water, when the water softener water inlet valve is opened, the water in the regeneration cavity 26 of the breather 2 enters the water softener, washes away the calcium and magnesium ions after reduction and replacement, and then is discharged from the regeneration outlet 261.

When the air pressure of the chamber in the dishwasher 100 is higher than the atmospheric pressure, the air in the chamber 1 can be discharged through the air outlet 221 of the breathing passage 22 to balance the air pressure inside and outside the chamber of the chamber 1

This respirator 2 is integrated goes up spray arm runner 21, and the water current has cancelled parts such as connecting pipe and clamp through flowing into spray arm runner 21 after flowing out from the water softener, saves space and cost simultaneously, and the assembly is simple, reduces the risk point that leaks.

In conclusion, the respirator 2 integrates the water channel with the water inlet channel 25, the water drainage channel 23, the air inlet channel 24, the breathing channel 22 and the upper spray arm flow channel 21, and has complete functions, few structural parts, simple assembly and reduced water leakage risk. Through setting up according to the utility model discloses the respirator 2 of the first aspect can practice thrift dish washer 100 space, simplifies assembly process, also can reduce the risk of leaking.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present 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 implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (15)

1. A respirator for a dishwasher, comprising: the casing, be formed with on the casing with the breathing hole of the cavity of dish washer and outside atmosphere intercommunication, be formed with the spray arm runner in the casing, the both ends of going up the spray arm runner are formed with spray arm runner import and spray arm runner export, spray arm runner export communicate in the last spray arm of dish washer.

2. The respirator for a dishwasher according to claim 1, wherein a breathing passage is formed in the housing, and a vent hole is formed in the housing, the vent hole being connected to the outside atmosphere, and one end of the breathing passage being connected to the vent hole and the other end extending to the breathing hole.

3. The respirator for a dishwasher of claim 1 wherein the upper spray arm flow path extends in an up-down direction, the spray arm flow path inlet is formed at a bottom of the upper spray arm flow path, and the spray arm flow path outlet is formed at a top of the upper spray arm flow path.

4. The respirator for a dishwasher according to claim 1, wherein a drain passage arranged spaced apart from the upper spray arm flow passage is further formed in the housing, the drain passage having a drain inlet and a drain outlet, and a vent hole for equalizing air pressures inside and outside the drain passage is formed in a peripheral wall of the drain passage.

5. The respirator for a dishwasher of claim 4, wherein the drain channel is formed in a substantially downward-opening U-shape, and the vent hole is formed at an upper portion of the drain channel.

6. The respirator for a dishwasher of claim 4, wherein an air inlet channel is further formed in the housing, one end of the air inlet channel is communicated with the outside atmosphere and the other end of the air inlet channel is communicated with the vent hole.

7. The respirator for the dishwasher of claim 6, wherein the housing is provided with a control valve for controlling the on-off of the air inlet channel.

8. The respirator for a dishwasher of claim 1, further formed within the housing is a water inlet passage spaced from the upper spray arm flow passage, the water inlet passage having a water inlet and a water inlet outlet, the water inlet outlet adapted to be connected to the spray arm flow passage inlet to deliver water to the upper spray arm flow passage.

9. The respirator for a dishwasher of claim 8, wherein a water softener of the dishwasher is connected in series between the water inlet outlet and the spray arm flow passage inlet.

10. The respirator for a dishwasher of claim 8, wherein a flow meter is connected in series to the inlet passage.

11. The respirator for a dishwasher of claim 8, wherein the inlet channel has a regeneration inlet formed on a peripheral wall thereof, and wherein the housing has a regeneration chamber formed therein for storing water, the regeneration chamber communicating with the regeneration inlet, the regeneration chamber having a regeneration outlet.

12. The respirator for the dishwasher of claim 11, wherein the water inlet channel is provided with a switching valve for controlling the on-off of the water inlet channel and the regeneration cavity.

13. The respirator for a dishwasher according to claim 8, wherein the water inlet and the water outlet are formed at a lower portion of the housing, and an upper portion of the water inlet passage is formed with an anti-siphon hole for balancing air pressures inside and outside the water inlet passage, the anti-siphon hole being communicated with the breathing hole.

14. A respirator for a dishwasher according to any one of claims 1 to 13, wherein the housing comprises: the bottom plate extends along the vertical direction, the upper spray arm flow channel is formed on the surface of one side of the bottom plate along the thickness direction, and the cover plate covers the bottom plate and seals the upper spray arm flow channel.

15. A dishwasher, comprising:

a respirator for a dishwasher according to any one of claims 1 to 14;

and the flow channel outlet of the spray arm is connected with the upper spray arm.

Images