CN211213017U - A return-flow system and dish washer for dish washer - Google Patents

Abstract

The utility model discloses a return-flow system for dish washer, include: the inner container is of a cavity structure with an opening at the top, and a first exhaust hole is formed in the inner side wall of the inner container; the shell is of a cavity structure with an opening at the top, and the inner container is arranged in the shell; the water collecting structure is arranged on the inner container and communicated with the first exhaust hole and the outside. The inner bag is linked together through first exhaust hole and water-collecting structure with the external world, so that dish washer is at the in-process that adopts hot water washing, the inside pressure of inner bag and external pressure keep balance, simultaneously, can discharge the inside vapor that produces of inner bag through first exhaust hole, in order to accelerate the drying process of inside tableware, at the in-process of discharging vapor, the water droplet that the condensation of vapor becomes is collected in water-collecting structure, and flow back to the inner bag in through first exhaust hole, be favorable to avoiding the water droplet of condensation of vapor on inner bag lateral wall or shell inside wall.

Description

A return-flow system and dish washer for dish washer

Technical Field

The utility model relates to a dish washer field, in particular to a return-flow system and dish washer for dish washer.

Background

The condition that the pressure in the inner container is inconsistent with the external pressure can occur in the process of hot water washing of the dish washing machine, the traditional dish washing machine is generally provided with an air inlet device and an air exhauster between the outer side wall of the inner container and the shell, so that the internal pressure of the inner container is kept balanced with the external pressure in the washing process, and the water vapor generated in the inner container can be exhausted through the air exhauster after the washing is finished, so that the drying process of internal tableware is accelerated.

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 return-flow system for dish washer can make the inside pressure of inner bag and external pressure keep balance and can collect the water droplet that the vapor condensation becomes and make it flow back to in the inner bag in the washing process.

The utility model discloses still provide a dish washer of having above-mentioned a return-flow system for dish washer.

According to the utility model discloses a return-flow system for dish washer of first aspect embodiment includes:

the inner container is of a cavity structure with an opening at the top, and a first exhaust hole is formed in the inner side wall of the inner container;

the shell is of a cavity structure with an opening at the top, and the inner container is arranged in the shell;

the water collecting structure is arranged on the inner container and communicated with the first exhaust hole and the outside.

According to the utility model discloses a return-flow system for dish washer has following beneficial effect at least: the inner container is communicated with the outside through the first exhaust hole and the water collecting structure, so that the pressure inside the inner container and the pressure outside the inner container keep balance in the process of adopting hot water for washing by the dish-washing machine, meanwhile, the water vapor generated in the inner container can be discharged through the first exhaust hole to accelerate the drying process of the internal tableware, during the process of discharging the water vapor, water drops condensed from the water vapor are collected in the water collecting structure, and flows back into the inner container through the first exhaust hole, which is beneficial to preventing water vapor from being condensed into water drops on the outer side wall of the inner container or the inner side wall of the shell, so as to prevent bacteria from breeding in the space between the inner container and the shell due to humidity, thereby improving the sanitary condition of the washing environment and reducing the potential safety hazard caused by water drops condensed by water vapor to electrical elements arranged at the bottom of the inner container.

According to the utility model discloses a some embodiments, the water-collecting structure includes the first water catch bowl that is linked together with the external world, first water catch bowl be for set up in cell body structure on the inner bag lateral wall, be equipped with in the first water catch bowl with the first refluence hole that first exhaust hole is linked together, the position of first refluence hole is higher than the position of first exhaust hole. The inner bag passes through first exhaust hole and first water catch bowl is linked together with the external world, and vapor loops through first exhaust hole first refluence hole and first water catch bowl is discharged to the external world, and the water droplet that vapor condensing formed at the exhaust in-process is collected in first water catch bowl and loop through first refluence hole with first exhaust hole backward flow extremely in the inner bag, a passageway is shared with the backward flow of discharge of vapor and comdenstion water, its simple structure, easily processing production.

According to some embodiments of the utility model, the inside wall of shell transversely is equipped with first edge of folding inwards at the top, be equipped with the second exhaust hole on first edge of folding, just first edge of folding corresponds the second exhaust hole be equipped with the condensing channel that first water catch bowl is linked together. Through setting up condensation channel is in order to increase the condensation efficiency of vapor in the exhaust process, is favorable to reducing through the vapor that the second exhaust hole is discharged is in the condition that the lateral wall condensation of shell forms the water droplet.

According to some embodiments of the utility model, first hem is kept away from one side of the inside wall of shell is equipped with the second hem down, the upper portion of the lateral wall of inner bag transversely is equipped with outwards to be located the third hem of second hem below, the second hem with the clearance has between the lateral wall of inner bag, the second hem the third hem and the lateral wall of inner bag encloses into an installation space, be equipped with the sealing washer in the installation space. The sealing ring arranged in the mounting space is used for realizing the sealing between the inner container and the outer shell so as to prevent the discharged water vapor from entering the space between the inner container and the outer shell.

According to some embodiments of the utility model, the sealing washer is higher than first hem, the lateral wall of shell is equipped with the extension up at the top, the extension the sealing washer and first hem encloses into the second water catch bowl. The water vapor discharged through the second exhaust hole can be condensed in the second water collecting tank and sequentially flows through the second exhaust hole, the condensation channel, the first water collecting tank, the first return hole and the first exhaust hole to return to the inner container, and the condition that water drops are formed by condensation of the water vapor discharged through the second exhaust hole on the outer side wall of the shell can be further reduced.

According to some embodiments of the utility model, the second water catch bowl slope sets up, the lowest position of second water catch bowl is provided with the second exhaust hole. The second water catch bowl that the slope set up has the effect of water conservancy diversion, can with condense in water conservancy diversion to the lowest position department in the second water catch bowl, be favorable to improving the efficiency of backward flow, in order to prevent to condense in water in the second water catch bowl overflows the second water catch bowl.

According to some embodiments of the utility model, the water-collecting structure still includes the third water catch bowl, the third hem is kept away from one side of the lateral wall of inner bag is equipped with the fourth hem up, the lateral wall of inner bag the third hem and the fourth hem encloses the third water catch bowl, be provided with on the third hem with the second backward flow hole that first exhaust hole is linked together. After the dishwasher is used for a long time, the sealing performance of the sealing ring can be reduced, when the water vapor exhausted through the second exhaust hole enters the inner container and the joint between the shells, the water vapor can be condensed in the third water collecting tank and can sequentially flow through the second backflow hole and the first exhaust hole to flow back to the inner container, and in the use process of the dishwasher, the situation that the exhausted water vapor enters the inner container and the space between the shells is further reduced.

According to some embodiments of the utility model, the third water catch bowl slope sets up, second backward flow hole is located the lowest position of third water catch bowl. The third water catch bowl that the slope set up has the effect of water conservancy diversion, can with condense in water conservancy diversion to the lowest position department in the third water catch bowl second return opening department is favorable to improving the efficiency of backward flow to prevent to condense in water in the third water catch bowl overflows.

According to a second aspect embodiment of the present invention, a dishwasher is provided, comprising a return system for a dishwasher according to the first aspect embodiment of the present invention.

According to the utility model discloses dish washer has following beneficial effect at least: the inner container is communicated with the outside through the first exhaust hole and the water collecting structure, so that the pressure inside the inner container and the pressure outside the inner container keep balance in the process of adopting hot water for washing by the dish-washing machine, meanwhile, the water vapor generated in the inner container can be discharged through the first exhaust hole to accelerate the drying process of the internal tableware, during the process of discharging the water vapor, water drops condensed from the water vapor are collected in the water collecting structure, and flows back into the inner container through the first exhaust hole, which is beneficial to preventing water vapor from being condensed into water drops on the outer side wall of the inner container or the inner side wall of the shell, so as to prevent bacteria from breeding in the space between the inner container and the shell due to humidity, thereby improving the sanitary condition of the washing environment and reducing the potential safety hazard caused by water drops condensed by water vapor to electrical elements arranged at the bottom of the inner container.

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

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at I;

fig. 3 is an exploded schematic view of an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at II;

fig. 5 is a schematic structural diagram of a hidden casing and a sealing ring according to an embodiment of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at III;

fig. 7 is a schematic cross-sectional view of a housing according to an embodiment of the present invention;

FIG. 8 is an enlarged view of a portion IV of FIG. 7;

FIG. 9 is a schematic cross-sectional view of the inner container of the embodiment of the present invention;

fig. 10 is a partially enlarged view of fig. 9 at v.

Reference numerals:

the inner container 10, the first exhaust hole 11, the third folded edge 12, the second backflow hole 121 and the fourth folded edge 13;

the shell 20, the first folding edge 21, the second exhaust hole 211, the condensation channel 212, the second folding edge 22 and the extension part 23;

a first water collection tank 30, a first return orifice 31;

an installation space 40;

a seal ring 50;

a second water collection tank 60, a blocking part 61;

a third water collection tank 70.

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 only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if an orientation description is referred to, for example, the directions or positional relationships indicated by the upper, lower, front, rear, left, right, etc. are the directions or positional relationships shown on the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are several, greater than, less than, exceeding, above, below, within, etc., the terms, wherein several means are one or more, and several means are two or more, and greater than, less than, exceeding, etc. are understood as not including the number, and above, below, within, etc. are understood as including the number.

In the description of the present invention, if the terms first, second, etc. appear, they are only used for distinguishing technical features, but they are not to be interpreted as indicating or implying relative importance or implying that the number of the indicated technical features is indicated or that the precedence of the indicated technical features is implied.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a backflow system for a dishwasher according to an embodiment of the present invention includes:

the inner container 10 is of a cavity structure with an opening at the top, and a plurality of first exhaust holes 11 are formed in the inner side wall of the inner container 10;

the outer shell 20 is a cavity structure with openings at the top and the bottom, and the inner container 10 is arranged in the outer shell 20;

the water collecting structure is arranged on the inner container 10, communicated with the first exhaust hole 11 and communicated with the outside.

The inner container 10 is communicated with the outside through the first exhaust hole 11 and the water collecting structure, so that the dishwasher is in the process of hot water washing, the pressure inside the inner container 10 keeps balance with the pressure outside, meanwhile, the water vapor generated inside the inner container 10 can be discharged through the first exhaust hole 11, so as to accelerate the drying process of internal tableware, in the process of discharging the water vapor, the water drops condensed by the water vapor are collected in the water collecting structure and flow back to the inner container 10 through the first exhaust hole 11, which is beneficial to avoiding the water drops condensed on the outer side wall of the inner container 10 or the inner side wall of the shell 20, so as to prevent the space between the inner container 10 and the shell 20 from breeding bacteria due to humidity, thereby improving the sanitation condition of the washing environment, and reducing the potential safety hazard caused by the water drops condensed by the water vapor to the electrical appliance elements installed at the bottom of the inner container 10.

Referring to fig. 6, 9 and 10, in some embodiments, the water collecting structure includes a plurality of first water collecting grooves 30 communicated with the outside, the first water collecting grooves 30 are groove structures disposed on the outer side wall of the inner container 10, first backflow holes 31 communicated with the first exhaust holes 11 are disposed in the first water collecting grooves 30, and the positions of the first backflow holes 31 are higher than the positions of the first exhaust holes 11. The inner container 10 is communicated with the outside through the first exhaust hole 11 and the first water collecting tank 30, the water vapor sequentially passes through the first exhaust hole 11, the first backflow hole 31 and the first water collecting tank 30 are discharged to the outside, water drops formed by condensation of the water vapor in the discharging process are collected in the first water collecting tank 30 and sequentially pass through the first backflow hole 31 and the first exhaust hole 11 to flow back to the inner container 10, the discharging of the water vapor and backflow of the condensed water share one channel, the structure is simple, and the processing and the production are easy.

Referring to fig. 7 and 8, in some embodiments, the inner sidewall of the housing 20 is provided with a first flange 21 at the top thereof facing inwards, the first flange 21 is provided with a plurality of second exhaust holes 211, and the first flange 21 is provided with a condensation channel 212 corresponding to the second exhaust holes 211 and communicating with the first water collection tank 30. By providing the condensation channel 212 to increase the condensation efficiency of the water vapor during the exhaust process, it is advantageous to reduce the formation of water drops due to the condensation of the water vapor exhausted through the second exhaust hole 211 on the outer sidewall of the housing 20.

It should be noted that the second exhaust hole 211 is disposed to be offset from the first return hole 31, so that the water vapor discharged from the first return hole 31 can be sufficiently condensed in the condensation channel 212.

Referring to fig. 1, 2, 3, 4, 8 and 10, in some embodiments, a second folded edge 22 is disposed downward on a side of the first folded edge 21 away from the inner side wall of the outer casing 20, a third folded edge 12 disposed below the second folded edge 22 is disposed laterally outward on an upper portion of the outer side wall of the inner container 10, a gap is formed between the second folded edge 22 and the outer side wall of the inner container 10, the second folded edge 22, the third folded edge 12 and the outer side wall of the inner container 10 define an installation space 40, and a sealing ring 50 is disposed in the installation space 40. The sealing between the inner container 10 and the outer container 20 is achieved by the packing 50 provided in the installation space 40 to prevent the discharged water vapor from entering the space between the inner container 10 and the outer container 20.

Referring to fig. 1 to 4, in some embodiments, the sealing ring 50 is higher than the first folded edge 21, the outer sidewall of the housing 20 is provided with an extension 23 at the top, and the extension 23, the sealing ring 50 and the first folded edge 21 enclose a second water collecting groove 60. The water vapor discharged through the second exhaust hole 211 can be condensed in the second water collecting tank 60 and sequentially flows back to the inner container 10 through the second exhaust hole 211, the condensation channel 212, the first water collecting tank 30, the first return hole 31 and the first exhaust hole 11, and the condition that the water vapor discharged through the second exhaust hole 211 is condensed on the outer side wall of the outer case 20 to form water drops can be further reduced.

In some of the embodiments, the second water collecting groove 60 is provided obliquely, and the second air discharge hole 211 is provided at the lowest position of the second water collecting groove 60. The second water collecting tank 60 arranged obliquely has a diversion function, and can divert water condensed in the second water collecting tank 60 to the second exhaust hole 211 at the lowest position, which is beneficial to improving the efficiency of backflow, so as to prevent the water condensed in the second water collecting tank 60 from overflowing the second water collecting tank 60. Note that, the openings at the top of the inner container 10 and the top of the outer shell 20 may be both inclined openings, so that the second water collecting tank 60 is inclined, or the first folded edge 21 is inclined, so that the second water collecting tank 60 is inclined, which is not limited herein.

It should be noted that, when the top of the inner container 10 and the top of the outer shell 20 of the dishwasher are cleaned, the waste water generated by cleaning can be guided into the inner container 10 through the second water collecting tank 60 and then drained by the drainage system, which is beneficial to reducing labor intensity and improving cleaning efficiency.

Referring to fig. 1, 3 and 4, in some embodiments, the lowest position of the second water collecting tank 60 has a flat section, the two ends of the flat section are provided with the second exhaust holes 211, and a raised blocking portion 61 is provided in the flat section, so that water in the second water collecting tank 60 flows to the second exhaust holes 211 arranged at the two ends of the flat section, and is blocked by the blocking portion 61 and limited at the second exhaust holes 211 to flow back, which is beneficial to improving the backflow efficiency, and is beneficial to preventing water in the second water collecting tank 60 from being retained in the flat section.

Referring to fig. 5, 6, 9 and 10, in some embodiments, the water collecting structure further includes a third water collecting tank 70, a fourth folded edge 13 is disposed on one side of the third folded edge 12 away from the outer side wall of the liner 10, the third folded edge 12 and the fourth folded edge 13 enclose the third water collecting tank 70, and a plurality of second backflow holes 121 communicated with the first exhaust holes 11 are disposed on the third folded edge 12. After the dishwasher is used for a long time, the sealing performance of the sealing ring 50 is reduced, when the water vapor exhausted through the second exhaust hole 211 enters the joint between the inner container 10 and the outer shell 20, the water vapor can be condensed in the third water collecting tank 70 and can sequentially flow back to the inner container 10 through the second return hole 121 and the first exhaust hole 11, and the condition that the exhausted water vapor enters the space between the inner container 10 and the outer shell 20 is further reduced in the using process of the dishwasher.

In some of these embodiments, the third water collection tank 70 is disposed at an incline, and the second return-flow hole 121 is located at the lowest position of the third water collection tank 70. The third water collecting tank 70 arranged obliquely has a diversion function, and can divert water condensed in the third water collecting tank 70 to the second backflow hole 121 at the lowest position, which is beneficial to improving backflow efficiency, so as to prevent the water condensed in the third water collecting tank 70 from overflowing. Note that, the openings at the top of the inner container 10 and the top of the outer casing 20 may be both provided as inclined openings, so that the third water collecting tank 70 is arranged obliquely, or the third folded edge 12 is arranged obliquely, so that the third water collecting tank 70 is arranged obliquely, which is not limited herein.

The inner container 10 is communicated with the outside through the first exhaust hole 11, the first return hole 31, the first water collecting tank 30, the condensation passage 212, and the second exhaust hole 211 in sequence.

It should be noted that, in some embodiments, the water collecting structure may also be a tube body communicated with the first exhaust hole 11 and leading to the outside of the dishwasher, the outlet of the tube body faces upward, and at least one layer of screen with a fine mesh structure is arranged at the outlet of the tube body, the inner container 10 is kept balanced with the external air pressure by the tube body, and in the process of discharging water vapor through the tube body, the water vapor contacts the screen and is condensed in the tube body, and the water condensed in the tube body flows back to the inner container 10 through the first exhaust hole 11 along the inner wall of the tube body.

According to the utility model discloses dish washer, it includes foretell a return-flow system for dish washer.

The inner container 10 is communicated with the outside through the first exhaust hole 11 and the water collecting structure, so that the dishwasher is in the process of hot water washing, the pressure inside the inner container 10 keeps balance with the pressure outside, meanwhile, the water vapor generated inside the inner container 10 can be discharged through the first exhaust hole 11, so as to accelerate the drying process of internal tableware, in the process of discharging the water vapor, the water drops condensed by the water vapor are collected in the water collecting structure and flow back to the inner container 10 through the first exhaust hole 11, which is beneficial to avoiding the water drops condensed on the outer side wall of the inner container 10 or the inner side wall of the shell 20, so as to prevent the space between the inner container 10 and the shell 20 from breeding bacteria due to humidity, thereby improving the sanitation condition of the washing environment, and reducing the potential safety hazard caused by the water drops condensed by the water vapor to the electrical appliance elements installed at the bottom of the inner container 10.

In the description of the present specification, if reference is made to the description of "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", and "some examples", etc., it is intended that a particular feature, structure, material, or characteristic described in connection with the embodiment or example be included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily 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.

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 (9)

1. A recirculation system for a dishwasher, comprising:

the inner container (10) is of a cavity structure with an opening at the top, and a first exhaust hole (11) is formed in the inner side wall of the inner container (10);

the outer shell (20) is of a cavity structure with an opening at the top, and the inner container (10) is arranged in the outer shell (20);

the water collecting structure is arranged on the inner container (10), communicated with the first exhaust hole (11) and communicated with the outside.

2. The backflow system for a dishwasher according to claim 1, wherein the water collecting structure comprises a first water collecting tank (30) communicated with the outside, the first water collecting tank (30) is a tank structure provided on an outer sidewall of the inner container (10), a first backflow hole (31) communicated with the first exhaust hole (11) is provided in the first water collecting tank (30), and a position of the first backflow hole (31) is higher than a position of the first exhaust hole (11).

3. The backflow system for a dishwasher according to claim 2, wherein the inner sidewall of the housing (20) is provided with a first flange (21) at the top thereof in a transverse direction inward, the first flange (21) is provided with a second exhaust hole (211), and the first flange (21) is provided with a condensation channel (212) corresponding to the second exhaust hole (211) and communicating with the first sump (30).

4. The backflow system for a dishwasher according to claim 3, wherein a second folded edge (22) is provided at a side of the first folded edge (21) away from the inner side wall of the housing (20) and facing downwards, a third folded edge (12) is provided at an upper portion of the outer side wall of the inner container (10) and facing outwards and laterally below the second folded edge (22), a gap is provided between the second folded edge (22) and the outer side wall of the inner container (10), the second folded edge (22), the third folded edge (12) and the outer side wall of the inner container (10) enclose an installation space (40), and a sealing ring (50) is provided in the installation space (40).

5. Backflow system for a dishwasher according to claim 4, characterized in that the sealing ring (50) is raised above the first fold (21), the outer side wall of the housing (20) is provided with an extension (23) at the top upwards, the extension (23), the sealing ring (50) and the first fold (21) enclose a second water collection sump (60).

6. The return system for a dishwasher according to claim 5, wherein the second water collecting tank (60) is provided obliquely, and the second discharge hole (211) is provided at the lowest position of the second water collecting tank (60).

7. The backflow system for a dishwasher according to claim 4, wherein the water collection structure further comprises a third water collection tank (70), a fourth fold (13) is provided at a side of the third fold (12) away from the outer side wall of the inner container (10) in an upward direction, the third water collection tank (70) is surrounded by the outer side wall of the inner container (10), the third fold (12) and the fourth fold (13), and a second backflow hole (121) communicated with the first exhaust hole (11) is provided at the third fold (12).

8. The backflow system for a dishwasher of claim 7, wherein the third water collection tank (70) is provided obliquely, and the second backflow hole (121) is located at a lowest position of the third water collection tank (70).

9. A dishwasher, characterized by comprising a backflow system for a dishwasher according to any one of claims 1 to 8.

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