CN216454882U - Exhaust device of dishwasher liner and dishwasher thereof - Google Patents

Abstract

The application belongs to the technical field of dish washing machines and provides an exhaust device of a dish washing machine inner container and a dish washing machine thereof, wherein the exhaust device of the dish washing machine inner container is arranged on a door body of the dish washing machine and comprises an exhaust pipeline, and an air inlet and an air outlet which are arranged at two ends of the exhaust pipeline, the air inlet is communicated with the dish washing machine inner container, and the air outlet is communicated with the outside of the dish washing machine; the air inlet and the air outlet are arranged in a vertically staggered mode, and the air outlet is higher than the air inlet in height. The application also provides a dishwasher using the liner exhaust device. The application improves the structure of the exhaust device to solve the technical problem that the structure of the exhaust device in the prior art is easy to cause water leakage of the dish washing machine.

Description

Exhaust device of dishwasher liner and dishwasher thereof

Technical Field

The application belongs to the technical field of dish-washing machines, and particularly relates to an exhaust device of an inner container of a dish-washing machine and the dish-washing machine.

Background

With the increasing development of science and technology and the improvement of living standard, especially with the rapid development of household appliance technology, a special dish washing device is provided for the aspect of tableware cleaning. A multifunctional dish washing machine generally has the functions of spraying, drying, sterilizing and the like, a user only needs to put tableware such as bowls and chopsticks into the dish washing machine, the dish washing machine can automatically complete a series of cleaning works according to the setting of the user, the use is convenient and full-automatic, the operation of the user is effectively reduced, and therefore the dish washing machine is more and more popularized in thousands of households and is deeply loved by the majority of users.

A door body which can be opened and closed is generally arranged on an inner container of a traditional dish washing machine, and an exhaust device capable of balancing the air pressure in the inner container is arranged on the door body. As shown in fig. 1 and 2, the exhaust device in the prior art includes an exhaust duct, one end of which is an air inlet X communicated with the inner container, and the other end of which is an air outlet Y communicated with the outside of the door body. Although the air inlet X and the air outlet Y at the two ends of the exhaust pipeline have height difference, in practical application, because the exhaust pipeline is a vertical connecting pipe which is communicated with the air inlet X and the air outlet Y from top to bottom, water liquid in the inner container still easily splashes out of the door body from the exhaust pipeline, so that the water leakage condition of the dish washing machine is caused, a user cannot normally use the dish washing machine, and the quality of the whole machine is influenced.

Therefore, the exhaust device of the inner container of the dish washer in the prior art still has a plurality of defects, and is a technical problem which is urgently needed to be perfected by dish washer manufacturers at present.

Disclosure of Invention

An object of the embodiment of the application is to provide an exhaust device of a dishwasher liner and a dishwasher thereof, wherein the structure of the exhaust device is improved so as to solve the technical problem that the water leakage of the dishwasher is easy to occur in the exhaust device structure in the prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the exhaust device of the inner container of the dish washing machine is arranged on a door body of the dish washing machine and comprises an exhaust pipeline, an air inlet and an air outlet, wherein the air inlet and the air outlet are arranged at two ends of the exhaust pipeline; the air inlet with the gas outlet is upper and lower dislocation set, just the setting height of gas outlet is higher than the air inlet.

The application provides an exhaust apparatus of dishwasher inner bag's beneficial effect lies in: compared with the prior art, the exhaust device is arranged on the door body of the dish washing machine, and the gas exchange between the inside of the inner container and the outside of the dish washing machine is carried out through the built-in exhaust pipeline, so that the air pressure balance of the inner container of the dish washing machine is realized. Wherein, the two ends of the exhaust pipeline are respectively provided with an air inlet communicated with the liner and an air outlet communicated with the outside of the door body, and a special arrangement is arranged between the air inlet and the air outlet. On one hand, the air outlet is higher than the air inlet, and the height difference is utilized to play a role in preventing water liquid in the liner from directly splashing out of the door body from the exhaust pipeline; on the other hand, this gas outlet and air inlet are upper and lower position dislocation set to make exhaust duct be non-vertical connecting pipe, and form and to block the water liquid and directly spill the outside dislocation pipeline section of a body, and then prevent that water liquid directly spills the dish washer outside, solve the problem of leaking easily on the door body of dish washer effectively, let user normal use, improve the leak protection water performance of dish washer.

The structure of the exhaust device is improved, the exhaust device comprises a first pipe shell with the air inlet and a second pipe shell with the air outlet, the first pipe shell and the second pipe shell are mutually spliced, and the exhaust pipeline is formed in a shell cavity between the first pipe shell and the second pipe shell. The whole structure of the exhaust device is simple, the assembly is convenient, and the die sinking manufacturing cost can be effectively reduced. In addition, it is advantageous to provide partial structures on the first and second pipe shells in order to increase the expansion performance of the exhaust system.

The structure of the exhaust pipeline is improved for the first time, and the exhaust pipeline is an inclined pipe section with two ends respectively communicated with the air inlet and the air outlet. Let this exhaust duct form to the pipeline section of one side slope, can enough prevent to get into the water liquid in the exhaust duct from the air inlet and directly follow the gas outlet spill, can reduce exhaust duct's change again, avoid the pipeline too circuitous, influence gaseous velocity of flow, ensure the smooth and easy nature of gas flow effectively.

The structure of the exhaust pipeline is improved, and the exhaust pipeline is a bent pipe section with two ends respectively communicated with the air inlet and the air outlet. The exhaust pipeline is formed into a bent L-shaped pipe section, and the structure of the bent pipe section is utilized to effectively block water liquid, so that the water liquid in the exhaust pipeline is prevented from splashing out of the door body from the air outlet.

The internal structure of the exhaust device is improved, a flow guide step which inclines towards the direction of the air outlet is arranged in the second pipe shell, and the flow guide step corresponds to the position of the air inlet arranged on the first pipe shell. Because the air inlet and the air outlet on the exhaust device are arranged in a vertically staggered manner, the shape of the exhaust pipeline is a non-linear channel, and the gas flows unsmoothly. Therefore, the flow guide step is arranged in the exhaust pipeline, and the gas entering the exhaust pipeline from the gas inlet is guided to the gas outlet by the flow guide step, so that the flow guide effect is effectively improved, and the flow of the exhaust gas is smoother.

Furthermore, at least one baffle plate which is respectively arranged in the first pipe shell and/or the second pipe shell is arranged in the exhaust pipeline, and a flow guide gap is arranged between the at least one baffle plate and the inner wall of the exhaust pipeline and/or between the adjacent baffle plates. The baffle is arranged in the exhaust pipeline, a water retaining structure is formed in the exhaust pipeline, the discharge of gas is ensured by utilizing the diversion gap, and water liquid entering the exhaust pipeline can be prevented from reaching the gas outlet.

The function of the exhaust device is improved, the exhaust device is further provided with a fan used for outputting airflow to the air outlet, and the output end of the fan is communicated with the inside of the exhaust pipeline and is arranged close to the air outlet. In order to increase the flow rate of gas entering the exhaust pipeline, the exhaust device is provided with the fan, the fan is used for driving air in the exhaust pipeline to flow and improving the flow rate of the air, and then the gas entering the exhaust pipeline is driven to flow to the gas outlet in a concentrated mode, so that the exhaust effect is effectively improved.

Furthermore, an avoiding area located outside the first pipe shell and the second pipe shell is formed below a pipe section, connected with the air outlet, of the exhaust pipeline, a mounting seat located on the avoiding area is arranged on the first pipe shell, the fan is mounted on the mounting seat, and the output end of the fan is connected to the pipe section, close to the air outlet, of the exhaust pipeline. Because the air inlets and the air outlets at the two ends of the exhaust pipeline are arranged in a vertically staggered manner, the exhaust pipeline forms a pipeline structure which inclines to one side or is bent, and the air outlet is higher than the air inlets. Therefore, an avoidance area outside the first pipe shell and the second pipe shell is formed below the pipe section connected with the air outlet on the exhaust pipeline. The utility model provides an exhaust apparatus sets up the mount pad of fan on should dodging the region, on the one hand, lets the fan set up on this mount pad dismantled and assembled to input the air current that the fan produced in to exhaust duct, and then improve the interior gas flow's of exhaust duct concentration nature and velocity of flow. On the other hand, the avoiding area can be filled by the mounting seat, the whole structure of the exhaust device is balanced and attractive, the exhaust device is favorably and stably mounted on the door body, and the fixing effect of the exhaust device is improved. In addition, because the output of fan is connected on exhaust duct is close to the pipeline section of gas outlet, therefore under the exhaust duct's of this application special construction, the position that is close to this gas outlet wades the risk and is lower, and then avoids water liquid infiltration fan, reduces the risk of wading of fan effectively.

Furthermore, the first pipe shell is also provided with an air guide pipe which is connected with the output end of the fan and is arranged towards the air outlet, and the air guide pipe is arranged in a pipe section of the exhaust pipeline close to the air outlet; the pipe orifice of the air guide pipe is provided with a cover body, and the cover body is provided with an air outlet grid. The air guide pipe is used for guiding the output airflow of the fan input into the exhaust pipeline to the air outlet, and the flowing concentration of the air in the exhaust pipeline is effectively improved. The cover body is arranged on the pipe orifice of the air guide pipe, and the cover body is used for preventing water liquid from entering the air guide pipe, so that the water liquid is prevented from flowing into the fan from the air guide pipe, and the wading risk of the fan is effectively reduced. The air outlet grid arranged on the cover body can ensure that the air flow produced by the fan is output to the air outlet, and the exhaust effect is effectively improved.

The application also provides a dish washing machine, which comprises an inner container and a door body, wherein the inner container is provided with an opening, and the door body covers the opening of the inner container; the door body is provided with an exhaust device of the dishwasher liner, a water retaining cover is arranged on an air inlet of the exhaust device, and a flow guide hole is formed in the water retaining cover; and a flow guide grid is arranged on an air outlet of the exhaust device. On one hand, the water blocking cover on the air inlet can form a first barrier for blocking water in the inner container, and effectively prevents the water from entering the exhaust pipeline. On the other hand, the guide grids arranged on the air outlet can play a role in preventing external dust particles or sundries from permeating into the exhaust pipeline, so that blockage in the exhaust pipeline is avoided, a last barrier for preventing water from splashing can be formed, and the water leakage prevention performance of the dish-washing machine is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a first schematic diagram of a prior art exhaust apparatus;

FIG. 2 is a schematic structural diagram of an exhaust apparatus in the prior art;

fig. 3 is a schematic view of an explosion structure of a door body provided in the embodiment of the present application;

FIG. 4 is a front view of a door body provided in an embodiment of the present application;

fig. 5 is a schematic perspective view of an exhaust apparatus according to an embodiment of the present disclosure;

FIG. 6 is a schematic view of an internal structure of an exhaust apparatus according to an embodiment of the present disclosure;

FIG. 7 is a schematic diagram of an explosive structure of an exhaust apparatus according to an embodiment of the present disclosure;

FIG. 8 is a sectional view taken along line A-A of FIG. 4;

FIG. 9 is an enlarged view of portion B of FIG. 8;

fig. 10 is a schematic perspective view of a second exhaust apparatus according to an embodiment of the present disclosure;

fig. 11 is an exploded view of the second cartridge according to the embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

100-a door body; 101-outer door panel; 102-an inner door panel;

200-an exhaust device; 201-air inlet; 202-gas outlet;

1-an exhaust duct; 2-a first envelope; 3-a second tube shell; 31-a flow guiding step;

4-a baffle plate; 41-a flow guiding gap;

5, a fan; 6-mounting a base;

7-an air guide pipe; 71-a cover body; 72-air outlet grid;

8-water blocking cover; 81-diversion holes.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

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, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

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 application, "a plurality" means two or more unless specifically limited otherwise.

The dishwasher and the exhaust device of the inner container thereof provided by the embodiment of the present application will now be described. Referring to fig. 3 and 4, the dishwasher includes an inner container (not shown) having an opening, and a door 100 covering the opening of the inner container. The door body 100 comprises an outer door panel 101 and an inner door panel 102, and the dishwasher liner exhaust device 200 is arranged between the outer door panel 101 and the inner door panel 102.

Referring to fig. 5 and 6, the exhaust device 200 includes an exhaust duct 1, and an air inlet 201 and an air outlet 202 disposed at two ends of the exhaust duct 1, wherein the air inlet 201 is communicated with the inner tub of the dishwasher, and the air outlet 202 is communicated with the outside of the door body 100, i.e., the outside of the dishwasher. The air inlet 201 and the air outlet 202 are arranged in a vertically staggered manner, and the air outlet 202 is higher than the air inlet 201.

Compared with the prior art, the exhaust device 200 of the dishwasher liner provided by the application is arranged on the door body 100 of the dishwasher, and the gas exchange between the inside of the liner and the outside of the dishwasher is carried out through the built-in exhaust pipeline 1, so that the air pressure balance of the liner of the dishwasher is realized. Wherein, the two ends of the exhaust duct 1 are respectively provided with an air inlet 201 communicated with the liner and an air outlet 202 communicated with the exterior of the door body 100, and a special arrangement is provided between the air inlet 201 and the air outlet 202. On one hand, the air outlet 202 is higher than the air inlet 201, and the height difference is utilized to prevent water in the liner from directly splashing out of the door body 100 from the exhaust duct 1; on the other hand, this gas outlet 202 and air inlet 201 are upper and lower position dislocation set to make exhaust duct 1 be non-vertical connecting pipe, and form and can block the outside dislocation pipeline section of the direct splash door body 100 of water liquid, and then prevent the direct splash dish washer outside of water liquid, solve the problem of leaking easily on the door body 100 of dish washer effectively, let the user can normal use, and then improve the leak protection water performance of dish washer.

Referring to fig. 6 and 7, the exhaust device 200 includes a first pipe case 2 having the air inlet 201 and a second pipe case 3 having the air outlet 202, the first pipe case 2 and the second pipe case 3 are combined with each other, and the exhaust duct 1 is formed in a case cavity between the first pipe case 2 and the second pipe case 3. The whole structure of the exhaust device 200 is simple, the assembly is convenient, and the die sinking manufacturing cost can be effectively reduced. In addition, it is advantageous to provide partial structures on the first and second tube shells 2, 3 in order to increase the expansion performance of the exhaust device 200.

Wherein, the shape of the exhaust duct 1 includes but is not limited to the following two:

in the first structure of the exhaust duct 1, the exhaust duct 1 is preferably an inclined pipe section having both ends respectively communicating with the air inlet 201 and the air outlet 202. Referring to fig. 5, fig. 6 and fig. 7, in the present embodiment, the exhaust pipe 1 is formed as a pipe section inclined to one side, which can prevent the water entering the exhaust pipe 1 from the air inlet 201 from directly splashing out of the air outlet 202, reduce the change of the exhaust pipe 1, avoid the pipe from being too circuitous to affect the flow rate of the gas, and effectively ensure the smoothness of the gas flow.

In another structure (not shown) of the exhaust duct 1, the exhaust duct 1 is preferably a bent pipe section with two ends respectively communicated with the air inlet 201 and the air outlet 202. The exhaust pipe 1 is formed into a bent L-shaped pipe section, and the bent pipe section structure can effectively block water, so as to prevent the water in the exhaust pipe 1 from splashing outside the door body 100 from the air outlet 202.

Since the air inlet 201 and the air outlet 202 of the exhaust device 200 are arranged in a vertically staggered manner, the exhaust duct 1 is shaped as a non-linear channel, which results in a non-smooth flow of air. Therefore, referring to fig. 6 and fig. 7, a flow guiding step 31 inclined toward the air outlet 202 is disposed in the second tube shell 3, and the flow guiding step 31 corresponds to the air inlet 201 disposed on the first tube shell 2. The gas entering the exhaust pipeline 1 from the gas inlet 201 is guided to the gas outlet 202 by the flow guide step 31, so that the flow guide effect is effectively improved, and the flow of the exhaust gas is smoother.

Referring to fig. 6, 8 and 9 (the direction of the arrow in fig. 9 is the gas flow direction), at least one baffle 4 is disposed in the first tube shell 2 and/or the second tube shell 3 in the exhaust pipe 1, i.e. the baffle 4 is disposed on the first tube shell 2 or the second tube shell 3, or both the first tube shell 2 and the second tube shell 3. Flow guiding gaps 41 are arranged between the at least one or more baffle plates 4 and the inner wall of the exhaust duct 1 and between adjacent baffle plates 4. In this embodiment, referring to fig. 6 and 9, the first pipe shell 2 and the second pipe shell 3 are respectively provided with a baffle 4, and each baffle 4 is disposed at an interval, and a flow guiding gap 41 is formed between each baffle 4 and the inner wall of the exhaust pipe 1 and between adjacent baffles 4. A plurality of water retaining structures are formed in the exhaust pipe 1, so that the diversion gap 41 is utilized to ensure the discharge of gas, and water entering the exhaust pipe 1 is prevented from reaching the gas outlet 202.

In another embodiment of the present application, the function of the exhaust device 200 is optimized, and in order to increase the flow rate of the exhaust gas, please refer to fig. 5 and fig. 7, the exhaust device 200 is further provided with a fan 5 for outputting a gas flow to the air outlet 202, and an output end of the fan 5 is connected to the exhaust duct 1 and is disposed near the air outlet 202. The fan 5 is used for driving the air in the exhaust pipeline 1 to flow and increasing the air flow rate, so that the air entering the exhaust pipeline 1 is driven to flow to the air outlet 202 in a concentrated manner, and the exhaust effect is effectively improved.

Referring to fig. 5, 6 and 10, since the air inlet 201 and the air outlet 202 at two ends of the exhaust duct 1 are disposed in a vertically staggered manner, the exhaust duct 1 is formed into a duct structure inclined or bent to one side, and the height of the air outlet 202 is higher than that of the air inlet 201. Therefore, an escape area N located outside the first and second tube shells 2 and 3 is formed below the pipe section M of the exhaust duct 1 connected to the outlet port 202. The first pipe shell 2 is provided with a mounting seat 6 positioned on the avoiding area N, and the fan 5 is mounted on the mounting seat 6. On the one hand, the fan 5 is detachably mounted on the mounting base 6, and the air flow generated by the fan 5 is input into the exhaust duct 1, so that the concentration and flow rate of the gas flowing in the exhaust duct 1 are improved. On the other hand, the installation seat 6 can fill the avoiding region N, so that the overall structure of the exhaust device 200 is balanced and attractive, the exhaust device 200 can be stably installed on the door body 100, and the fixing effect of the exhaust device 200 is improved. In this embodiment, the mounting seat 6 is integrally formed with the first tube housing 2, which can effectively simplify the connection structure, reduce the manufacturing cost of opening the mold, and increase the structural strength of the first tube housing 2. The assembly operation of the whole exhaust device 200 is more convenient and faster, and the installation efficiency is effectively improved.

In addition, because the output of fan 5 is connected on exhaust duct 1 is close to the pipeline section M of gas outlet 202, therefore under the special construction of exhaust duct 1 of this application, the position that is close to this gas outlet 202 wades the risk and is lower, and then avoids water liquid infiltration fan 5, reduces fan 5's wading risk effectively.

The fan 5 may preferably be a centrifugal fan, and may be configured to match the shape of the avoiding region N and the inlet G at the bottom of the pipe segment M connected to the air outlet 202 on the exhaust duct 1. Let the output of fan 5 accessible this insert mouth G and exhaust duct 1's inside intercommunication, and then save occupation space effectively to reduce exhaust apparatus 200's whole volume.

Referring to fig. 6, 10 and 11, the first tube housing 2 is further provided with an air guiding tube 7 connected to the output end of the blower 5 and disposed toward the air outlet 202, and the air guiding tube 7 is disposed in a tube section M of the exhaust duct 1 near the air outlet 202. The air guide pipe 7 is used for guiding the air flow output by the fan 5 input into the exhaust pipeline 1 to the air outlet 202, and the air flow concentration in the exhaust pipeline 1 is effectively improved.

The cover body 71 is arranged on the pipe orifice of the air guide pipe 7, and the cover body 71 is used for preventing water from entering the air guide pipe 7, so that the water is prevented from flowing into the fan 5 from the air guide pipe 7, and the wading risk of the fan 5 is effectively reduced. The cover 71 is provided with an air outlet grid 72, which can ensure that the air flow generated by the fan 5 is output to the air outlet 202, thereby effectively improving the air exhaust effect.

Referring to fig. 7, in the present embodiment, a water blocking cover 8 is disposed on an air inlet 201 of the exhaust device 200, and a diversion hole 81 is disposed on the water blocking cover 8. The water-retaining cover 8 forms a first barrier for blocking water in the liner on the exhaust device 200, so as to effectively block water from entering the exhaust pipe 1. The installation mode of the water blocking cover 8 can be fixed on the air inlet 201 of the exhaust device 200 through a screwing structure or an uncovering structure, and the installation operation of the water blocking cover 8 can be effectively simplified without specific limitation, so that the installation efficiency is improved.

In addition, referring to fig. 5, the air outlet 202 of the exhaust device 200 has a flow guiding grid, which can not only prevent external dust particles or impurities from permeating into the exhaust pipe 1 and prevent the exhaust pipe 1 from being blocked, but also form a last barrier for preventing water from splashing out, thereby improving the water leakage prevention performance of the dishwasher.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. An exhaust device of a dishwasher liner is arranged on a door body of a dishwasher and is characterized in that the exhaust device comprises an exhaust pipeline, and an air inlet and an air outlet which are arranged at two ends of the exhaust pipeline, wherein the air inlet is communicated with the dishwasher liner, and the air outlet is communicated with the outside of the dishwasher; the air inlet with the gas outlet is upper and lower dislocation set, just the setting height of gas outlet is higher than the air inlet.

2. The exhaust device of the dishwasher liner according to claim 1, wherein: the exhaust device comprises a first pipe shell with the air inlet and a second pipe shell with the air outlet, the first pipe shell and the second pipe shell are spliced with each other, and the exhaust pipeline is formed in a shell cavity between the first pipe shell and the second pipe shell.

3. The exhaust device of the dishwasher liner according to claim 2, wherein: the exhaust pipeline is an inclined pipe section with two ends respectively communicated with the air inlet and the air outlet.

4. The exhaust device of the dishwasher liner according to claim 2, wherein: the exhaust pipeline is a bent pipe section with two ends respectively communicated with the air inlet and the air outlet.

5. The exhaust device of the dishwasher liner according to claim 2, wherein: and a flow guide step which inclines towards the direction of the air outlet is arranged in the second pipe shell, and the flow guide step corresponds to the position of the air inlet arranged on the first pipe shell.

6. The exhaust device of the dishwasher liner according to claim 2, wherein: at least one baffle plate which is respectively arranged in the first pipe shell and/or the second pipe shell is arranged in the exhaust pipeline, and a flow guide gap is arranged between the at least one baffle plate and the inner wall of the exhaust pipeline and/or between the adjacent baffle plates.

7. The exhaust device of the dishwasher liner according to any one of claims 2 to 6, wherein: the exhaust device is also provided with a fan used for outputting airflow to the air outlet, and the output end of the fan is communicated with the inside of the exhaust pipeline and is close to the air outlet.

8. The exhaust device for the inner container of the dish washer as claimed in claim 7, wherein: an avoidance area located outside the first pipe shell and the second pipe shell is formed below a pipe section, connected with the air outlet, of the exhaust pipeline, a mounting seat located in the avoidance area is arranged on the first pipe shell, the fan is mounted on the mounting seat, and the output end of the fan is connected to the pipe section, close to the air outlet, of the exhaust pipeline.

9. The exhaust device for the inner container of the dishwasher according to claim 8, wherein: the first pipe shell is also provided with an air guide pipe which is connected with the output end of the fan and is arranged towards the air outlet, and the air guide pipe is arranged in a pipe section of the exhaust pipeline close to the air outlet; the pipe orifice of the air guide pipe is provided with a cover body, and the cover body is provided with an air outlet grid.

10. A dish washing machine comprises an inner container and a door body, wherein the inner container is provided with an opening, and the door body covers the opening of the inner container; the method is characterized in that: the door body is provided with an exhaust device of the dishwasher liner according to any one of claims 1 to 9, a water retaining cover is arranged on an air inlet of the exhaust device, and a flow guide hole is arranged on the water retaining cover; and a flow guide grid is arranged on an air outlet of the exhaust device.

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