CN220024972U - Dish-washing machine and respirator thereof - Google Patents

Abstract

The utility model relates to the field of dish washers, in particular to a dish washer and a respirator thereof, and aims to solve the problems of complex structure, high cost and high failure rate of the conventional dish washer respirator. For this purpose, the respirator of the utility model comprises a shell and a Tesla valve, wherein a drainage cavity and a ventilation cavity are formed in the inner cavity of the shell, a sewage inlet and a sewage outlet which are communicated with the drainage cavity are arranged at the bottom of the shell, and a vent is arranged on the shell; the drainage cavity upwards extends and has the passageway of ventilating, and the top of passageway of ventilating is provided with the tesla valve, and tesla valve and air vent are linked together through the inner chamber. When the water is discharged, the Tesla valve can ensure that the water in the water discharge cavity can not flow outwards into the inner cavity, and the inner cavity is not polluted. When siphoning occurs, external air can enter the drainage cavity through the air vent and the Tesla valve so as to balance the air pressure in the drainage cavity, so that the siphon phenomenon cannot be formed, and sewage backflow is avoided. The Tesla valve has simpler structure and lower cost.

Description

Dish-washing machine and respirator thereof

Technical Field

The utility model relates to the field of dish washers, and particularly provides a dish washer and a respirator thereof.

Background

Dishwasher has become an indispensable home appliance for most households. In order to ensure that the air pressure of the inner container is not too high after the dish-washing machine is heated, the dish-washing machine is provided with a breather, and water vapor in the inner container can enter the breather to be discharged or be condensed in the breather. Existing dishwashers typically integrate both the water inlet and the water outlet channels within the respirator.

When the dishwasher drains, a siphon action may occur, causing sewage to flow into the inner container. Therefore, the drainage channel is provided with a vent hole to realize the anti-siphon effect. The existing vent hole is generally provided with an electromagnetic valve, and the electromagnetic valve is closed when water is discharged; after the drainage is finished, the electromagnetic valve is opened to realize the ventilation effect.

However, the electromagnetic valve needs to be controlled independently, and has the advantages of complex structure, high cost and high failure rate.

Accordingly, the present utility model has been made to solve the above-mentioned problems occurring in the prior art, and a respirator thereof.

Disclosure of Invention

The utility model aims to solve the technical problems of complex structure, high cost and high failure rate of the existing dish-washing machine respirator.

In a first aspect, the present utility model provides a respirator that comprises:

the sewage treatment device comprises a shell, wherein a drainage cavity and a ventilation cavity are formed in an inner cavity of the shell, a sewage inlet and a sewage outlet which are communicated with the drainage cavity are formed in the bottom of the shell, and a ventilation port is formed in the shell;

the Tesla valve, the drainage cavity upwards extends and has the passageway of ventilating, the top of passageway of ventilating is provided with the Tesla valve, tesla valve with the air vent is through the inner chamber is linked together.

In a specific embodiment of the above respirator, the tesla valve comprises a plurality of sequentially arranged valve modules.

In a specific embodiment of the above respirator, the tesla valve comprises four valve modules.

In the specific embodiment of the respirator, a partition plate is arranged in the drainage cavity, the partition plate is positioned between the sewage inlet and the sewage outlet, and the partition plate divides the drainage cavity into a sewage inlet cavity and a sewage outlet cavity.

In the specific embodiment of the respirator, a water inlet channel is further formed in the inner cavity of the shell, and the water inlet channel is provided with a water inlet and a water outlet.

In the specific embodiment of the respirator, the water inlet channel is provided with a flowmeter.

In the specific embodiment of the respirator, the water inlet channel is provided with an air gap.

In the specific embodiment of the respirator, the shell is provided with a steam inlet, the vent is positioned above the steam inlet, and a first blocking rib is arranged between the steam inlet and the vent.

In the specific embodiment of the respirator, the air vent is located below the air gap, and a second blocking rib is arranged above the air vent and used for guiding water.

In a second aspect, the present utility model provides a dishwasher comprising a dishwasher body and a respirator as described above, the respirator being disposed within the dishwasher body.

With the above technical solution adopted, the respirator of the present utility model comprises a housing and a tesla valve. A drainage cavity and a ventilation cavity are formed in the inner cavity of the shell, a sewage inlet and a sewage outlet which are communicated with the drainage cavity are arranged at the bottom of the shell, and a ventilation opening is arranged on the shell; the drainage cavity upwards extends and has the passageway of ventilating, and the top of passageway of ventilating is provided with tesla valve. When the water is drained, water entering the drainage cavity can enter the bottom end of the Tesla valve, turbulent flow is generated in the bottom end of the Tesla valve, and the water cannot flow to the top end of the Tesla valve, so that the water cannot flow out of the Tesla valve into the cavity, the cavity is not polluted, and meanwhile, the sewage cannot flow into the inner container from the inlet of the whole machine. When the siphoning phenomenon occurs, external air can enter the inner cavity through the air vent, and enter the drainage cavity from the inner cavity through the Tesla valve, so that the air pressure in the drainage cavity is balanced, the siphoning phenomenon cannot be formed, and the sewage backflow is avoided. The Tesla valve has simpler structure, does not need to be controlled, can realize the function of preventing overflow and siphoning by depending on the structure of the Tesla valve, and has lower cost and more reliability.

Drawings

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:

FIG. 1 is a schematic illustration of a respirator of the present utility model;

FIG. 2 is a schematic diagram of a respirator of the present utility model;

FIG. 3 is a schematic view of a partial construction of a respirator provided by the present utility model;

fig. 4 is a partially enlarged view at a in fig. 3.

List of reference numerals:

1. a housing; 11. a water inlet channel; 111. a water inlet; 112. a water outlet; 113. an air gap port; 12. a drainage cavity; 121. a sewage inlet; 122. a sewage outlet; 123. a baffle; 13. a vent passage; 14. a steam inlet; 15. a vent; 16. a second blocking rib; 17. a first rib; 18. arc-shaped blocking ribs; 19. a third rib; 2. a tesla valve; 21. a turbulent flow chamber; 22. a blocking piece; 3. a flow meter.

Detailed Description

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.

It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected, can be indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

In order to solve the problems of complex structure, high cost and high failure rate of the existing dish-washing machine respirator.

As shown in fig. 1-4, the present embodiment discloses a dishwasher, which includes a dishwasher body and a respirator, wherein the dishwasher body includes a housing, a liner, a water softener, a water collecting cup, a drain pump, and the like.

Wherein the inner container, the water softener, the water collecting cup, the drainage pump, the water tank and the respirator are all arranged in the shell. The inner container is used for containing tableware (bowls, dishes, chopsticks, spoons, pots and the like) so as to facilitate the dish washing machine to wash the tableware. The inner container is internally provided with the bracket, the bracket can be used for placing dishes, bowls and the like, so that the dishes and the bowls can be placed compactly, the dishes and the bowls can be effectively cleaned, the washing effect of other tableware is not affected, and the space of the inner container is effectively utilized.

The water collecting cup is arranged below the inner container and is used for providing washing and rinsing water for the inner container. The respirator is arranged at one side of the inner container and is attached to the inner container. The water softener is arranged below the respirator and is particularly positioned at one side of the water collecting cup. The water softener is used for softening water, so that high-hardness molecules such as calcium in the water inevitably enter the water collecting cup, and the washing effect is affected.

The respirator comprises a shell 1 and a Tesla valve 2, wherein a water inlet channel 11 is formed in the inner cavity of the shell 1, and the water inlet channel 11 is provided with a water inlet 111 and a water outlet 112. The water inlet channel 11 is provided with a flowmeter 3, and the flowmeter 3 specifically detects the water quantity flowing through the water inlet channel 11 so as to determine the water inlet quantity. The flow meter 3 is a flow meter 3 that is conventional in the dishwasher field, and the specific structure thereof is not described herein.

The water inlet channel 11 is provided with an air gap 113. Wherein the water inlet channel 11 is arranged in a curved manner at the top of the housing 1, in particular in a convexly curved manner upwards. The air gap 113 is provided in a curved position, in particular on the inside. The water flow speed is high during water inflow, and the water flow cannot flow out of the air gap 113; upon return flow, water flows back into the interior cavity of the housing 1 from the air gap 113 and then out of the steam inlet 14.

The water inlet 111 is provided at the bottom end of the housing 1 and is located at one side of the housing 1. The water outlet 112 is also arranged at the bottom end of the casing 1 and is positioned at the other side of the casing 1. The water inlet passage 11 is provided around the side edge (except the bottom edge) of the housing 1. The length of the water inlet channel 11 is longer, so that more water can be temporarily stored, and when the water vapor entering the inner ring needs to be cooled, the water vapor can be rapidly cooled to form condensed water.

The water inlet 111 is connected to a tap water pipe, and a water inlet valve, in particular an electromagnetic valve, is arranged at the water inlet 111, and is controlled by a controller of the dishwasher. The water outlet 112 is connected to the inlet of the water softener and the outlet of the water softener is connected to the inlet of the water tank. The water tank is arranged at one side of the water softener and is close to the water collecting cup. The outlet of the water tank is connected with the water collecting cup and is used for supplying water for the water collecting cup.

A drainage cavity 12 is formed in the inner cavity of the shell 1, a sewage inlet 121 and a sewage outlet 122 which are communicated with the drainage cavity 12 are arranged at the bottom of the shell 1, a vent 15 is arranged on the shell 1, and the vent 15 is specifically positioned at the inner side of the water flow descending section of the water inlet channel 11.

The drainage chamber 12 is internally provided with a partition plate, the partition plate is positioned between the sewage inlet 121 and the sewage outlet 122, and the partition plate divides the drainage chamber 12 into a sewage inlet chamber and a sewage outlet chamber. The sewage enters the drainage cavity 12 from the sewage inlet 121, then flows into the sewage outlet cavity from the sewage inlet cavity, and is discharged from the sewage outlet cavity. The sewage outlet 112 is connected to a drain pump for discharging sewage outwardly.

The drain chamber 12 extends upwards to form a vent channel 13, and the top end of the vent channel 13 is provided with a tesla valve 2. When the water is drained, water entering the drainage cavity 12 can enter the bottom end of the Tesla valve 2, turbulent flow is generated in the bottom end of the Tesla valve 2, and the water cannot flow to the top end of the Tesla valve 2, so that the water cannot flow out of the Tesla valve 2 into the inner cavity, the inner cavity is not polluted, and meanwhile, the sewage cannot flow into the inner container from the steam inlet 14. When the siphoning phenomenon occurs, external air can enter the inner cavity through the air vent 15, and enter the drainage cavity 12 from the inner cavity through the Tesla valve 2, so that the air pressure in the drainage cavity 12 is balanced, the siphoning phenomenon cannot be formed, and the sewage backflow is avoided.

The tesla valve 2 comprises a plurality of valve modules which are arranged in sequence, and particularly extend upwards in an inclined manner in sequence. Specifically comprising four valve modules. Wherein the bottommost valve module comprises a turbulence module, wherein the turbulence module comprises a turbulence chamber 21 and a barrier 22 disposed within the turbulence chamber 21. The remaining valve modules include two turbulence modules. After the water flow enters the turbulence chamber 21, the water flows in the turbulence chamber under the action of the blocking block 22. A plurality of valve modules are arranged, and even if water in the turbulence cavity 21 below enters the upper part, the turbulence in the turbulence module above can be ensured to prevent the water from flowing out across the plurality of turbulence modules.

The steam inlet 14 is provided on the housing 1, and the vent 15 is located above the steam inlet 14. The steam inlet 14 is connected to the sidewall of the inner container by bolts. Water vapor within the bladder can enter the bladder from the vapor inlet 14. A third blocking rib 19 is arranged at the bottom of the steam inlet 14 and is arranged transversely, and the tesla valve is positioned above the third blocking rib 19.

The steam inlet 14 is provided with an arcuate rib 18 on the side thereof adjacent the tesla valve. A first blocking rib 17 is arranged between the steam inlet 14 and the air vent 15, and the first blocking rib 17 can play a role of blocking steam, so that the steam can stay in the inner cavity of the shell 1 for a longer time to be condensed, and condensed water can flow back into the inner container along the third blocking rib 19; excess steam can be vented from the vent 15.

The air vent 15 is positioned below the air gap, and a second blocking rib 16 is arranged above the air vent 15 and used for guiding water; the water flowing back can flow to the first rib 17 along the second rib 16, then flow to the arc rib 18, then flow to the third rib 19, and then flow back to the inner container through the steam inlet 14.

When the dishwasher is washing, tap water enters the water inlet channel 11 from the water inlet 111, continues to flow in the water inlet channel 11 after passing through the flowmeter 3, then flows out from the water outlet 112 into the water softener, flows into the water tank after softening the water softener, and then flows into the water collecting cup from the water tank. The water is heated to a temperature required for washing, and then a washing operation is performed. After the washing is finished, the drainage pump is started; under the action of the drain pump, sewage enters the drain chamber 12 from the sewage inlet 121, is discharged to the outside from the sewage discharge port into the drain pipe, and is then discharged to the outside. In the drainage process, the air pressure in the drainage cavity 12 is increased due to water flow impact, so that the vent hole 131 is plugged, and sewage is prevented from entering the inner cavity from the vent hole 131. After the water flow enters the turbulence chamber 21, the water flows in the turbulence chamber under the action of the blocking block 22. A plurality of valve modules are arranged, and even if water in the turbulence cavity 21 below enters the upper part, the turbulence in the turbulence module above can be ensured to prevent the water from flowing out across the plurality of turbulence modules. The steam generated in the washing process can raise the air pressure in the inner container, the steam can enter the inner cavity from the steam inlet 14, the inner cavity is cooled down, and condensed water can flow back into the inner container from the steam inlet 14. Excess water vapor may be vented outwardly from the vent 15.

After the dish washing machine is finished, when cold rinsing is performed, tap water enters the water inlet channel 11 from the water inlet 111, continues to flow in the water inlet channel 11 after passing through the flowmeter 3, then flows out of the water outlet 112 into the water softener, flows into the water tank after softening the water softener, and then flows into the water collecting cup from the water tank. After which a cold rinse operation is performed. After the cold rinsing is finished, the draining pump is started; under the action of the drain pump, sewage enters the drain chamber 12 from the sewage inlet 121, is discharged to the outside from the sewage discharge port into the drain pipe, and is then discharged to the outside. In the drainage process, the air pressure in the drainage cavity 12 is increased due to water flow impact, so that the vent hole 131 is plugged, and sewage is prevented from entering the inner cavity from the vent hole 131. After the water flow enters the turbulence chamber 21, the water flows in the turbulence chamber under the action of the blocking block 22. A plurality of valve modules are arranged, and even if water in the turbulence cavity 21 below enters the upper part, the turbulence in the turbulence module above can be ensured to prevent the water from flowing out across the plurality of turbulence modules.

After the cold rinsing of the dishwasher is finished, when the hot rinsing is performed, tap water enters the water inlet channel 11 from the water inlet 111, continues to flow in the water inlet channel 11 after passing through the flowmeter 3, then flows out of the water outlet 112 into the water softener, flows into the water tank after the water softener is softened, and then flows into the water collecting cup from the water tank. The water is heated to the temperature required for the hot rinsing and then worked. After the hot rinsing is finished, the drainage pump is started; under the action of the drain pump, sewage enters the drain chamber 12 from the sewage inlet 121, is discharged to the outside from the sewage discharge port into the drain pipe, and is then discharged to the outside. In the drainage process, the air pressure in the drainage cavity 12 is increased due to water flow impact, so that the vent hole 131 is plugged, and sewage is prevented from entering the inner cavity from the vent hole 131. After the water flow enters the turbulence chamber 21, the water flows in the turbulence chamber under the action of the blocking block 22. A plurality of valve modules are arranged, and even if water in the turbulence cavity 21 below enters the upper part, the turbulence in the turbulence module above can be ensured to prevent the water from flowing out across the plurality of turbulence modules. The steam generated in the washing process can raise the air pressure in the inner container, the steam can enter the inner cavity from the steam inlet 14, the inner cavity is cooled down, and condensed water can flow back into the inner container from the steam inlet 14. Excess water vapor may be vented outwardly from the vent 15.

Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims (10)

1. A respirator that comprises:

the sewage treatment device comprises a shell (1), wherein a drainage cavity (12) and a ventilation cavity are formed in an inner cavity of the shell (1), a sewage inlet (121) and a sewage outlet (122) which are communicated with the drainage cavity (12) are arranged at the bottom of the shell (1), and a vent (15) is arranged on the shell (1);

the Tesla valve (2), drain cavity (12) upwards extends has ventilation channel (13), the top of ventilation channel (13) is provided with Tesla valve (2), tesla valve (2) with the air vent (15) are through the inner chamber is linked together.

2. Respirator according to claim 1, wherein the tesla valve (2) comprises a plurality of valve modules arranged in sequence.

3. Respirator according to claim 2, wherein the tesla valve (2) comprises four valve modules.

4. Respirator according to claim 1, wherein a partition is arranged in the drainage chamber (12), said partition being located between the sewage inlet (121) and the sewage outlet (122), said partition dividing the drainage chamber (12) into a sewage inlet chamber and a sewage outlet chamber.

5. Respirator according to claim 1, wherein a water inlet channel (11) is also formed in the inner cavity of the housing (1), the water inlet channel (11) having a water inlet (111) and a water outlet (112).

6. Respirator according to claim 5, wherein the water inlet channel (11) is provided with a flow meter (3).

7. Respirator according to claim 5, wherein the water inlet channel (11) is provided with an air gap (113).

8. Respirator according to claim 7, wherein the housing (1) is provided with a steam inlet (14), the vent (15) is located above the steam inlet (14), and a first rib (17) is provided between the steam inlet (14) and the vent (15).

9. Respirator according to claim 8, wherein the vent (15) is located below the air gap, and a second rib (16) is provided above the vent (15) for guiding water.

10. A dishwasher comprising a dishwasher body and a respirator according to any one of claims 1 to 9, the respirator being disposed within the dishwasher body.