CN110547741A - Dish washing machine - Google Patents

Abstract

the invention discloses a dishwasher, comprising a water tank for receiving articles to be washed; the bottom of the water tank is provided with an accommodating chamber for accommodating washing liquid and a pump body structure connected with the accommodating chamber; the monitoring module is used for judging the liquid level in the water tank according to the current change of the pump body structure caused by the capacity of the washing liquid in the water tank; the pump body structure comprises a washing impeller which is arranged in the accommodating chamber, has a flow guide structure for enhancing the flow of washing liquid and provides washing power for the washing water path; the accommodation chamber comprises a first chamber and a second chamber which are communicated with each other; the washing liquid flows in through the water inlet end of the washing impeller which is in fluid communication with the second chamber and flows out of the water outlet end of the washing impeller into the first chamber. The invention provides a dishwasher which integrates a washing pump and a drainage pump, increases the washing capacity of the dishwasher, improves the washing efficiency, omits a shell of a pump body structure, reduces dirt and dirty water residues in a pump shell and omits conventional water level monitoring equipment.

Description

Dish washing machine

Technical Field

The invention belongs to the field of household appliances, and particularly relates to a dish washing machine.

background

with the improvement of living standard, the requirement of consumers on living quality is higher and higher, and the requirements on the quality, the performance, the humanization of use, the intellectualization of operation and the like of products are higher and higher. The dish washer also gradually walks into in the middle of people's the life as a outstanding product of a section, and the normal operation that dish washer was carried out to two pumps is generally carried out to present dish washer technique, a washing pump promptly, a drain pump, two pumps are independent pump body structure, drive washing pump and drain pump work respectively by two motors. The theory of operation of dish washer is that the washing pump will get into the water pump of dish washer inner bag to the spray arm of dish washer in, the spray arm is provided with sprays hole and drive hole, under the effect of reaction force, the spray arm is rotatory, and spray arm spun washing water sputters on the tableware of bowl dish rack, realizes the washing and the washing of tableware, and after a washing process, the drain pump work of dish washer is got rid of the dirty water in the dish washer inner bag. The existing dishwasher adopts two pumps and is simultaneously provided with various electrical elements to monitor the working state of the dishwasher, such as liquid level monitoring, humidity monitoring, temperature monitoring and the like, so that the cost is higher, the installation is complex in the manufacturing process, and the production cost is high.

Chinese patent with application number CN201611262939.0 discloses a washing and draining integrated pump for dish washer, comprising a pump and a motor providing power for the pump, wherein the pump comprises a sealing ring arranged between an upper pump shell and a lower pump shell, a reversing valve for switching two working modes of washing and draining is arranged inside the pump, an impeller and a slag crushing blade arranged on a motor shaft and above the impeller are also arranged inside the pump, and the slag crushing blade and the impeller are fixed by a fastening nut; the upper pump shell is provided with a water inlet, the lower pump shell is provided with a washing water outlet, a water outlet and a reversing valve mounting seat, and the reversing valve is mounted on the lower pump shell through the reversing valve mounting seat.

chinese patent application No. CN201720341938.9 discloses a washing and draining integrated pump, which comprises a power device, a washing pump, a draining pump and a water inlet chamber, wherein the power device comprises a motor shell, a motor and a motor shaft extending out of the motor shell; the washing pump comprises a washing pump shell, a washing pump cavity, a washing impeller and a washing water outlet; the drainage pump comprises a drainage pump shell, a drainage pump cavity, a drainage impeller and a drainage water outlet; the water inlet chamber is positioned between the washing pump and the drainage pump and is respectively communicated with the washing pump cavity and the drainage pump cavity, the water inlet chamber is provided with a water inlet, and a first outlet of the water inlet chamber, which is communicated with the washing pump cavity, is provided with a filtering device; the motor shaft passes through the washing impeller and the drainage impeller and can drive the washing impeller and the drainage impeller to rotate; the motor shaft is provided with a crushing blade which crushes food residues firstly when water is drained.

Although the problem of dish washer washing pump has been solved to a certain extent to above-mentioned prior art, set up washing pump and drain pump into an organic whole structure, still there is washing function and drainage function separation, each is responsible for its job, lead to the waterway structure complicated, the water consumption is big, water circulation is not high, still there is the accumulation residue in the pipeline and lead to the risk of jam, in addition, still because washing and drainage are in two systems, it is great to lead to the washing pump to occupy the direction of height, and then lead to the corresponding reduction of the washing capacity of dish washer, influence the problem such as washing efficiency.

Therefore, it is necessary to improve the defects and shortcomings of the prior art, and provide a dishwasher which integrates a washing pump and a drainage pump, integrates the washing function and the drainage function into one, increases the washing capacity of the dishwasher, simplifies the pipeline layout, improves the washing efficiency, simultaneously omits a shell of a pump body structure, reduces the residual of dirt and dirty water inside a pump shell, and can save a conventional water level monitoring device and reduce the overall cost.

The present invention has been made in view of this situation.

Disclosure of Invention

The technical problem underlying the present invention is to overcome the disadvantages of the prior art and to provide a dishwasher which overcomes or at least partly solves the above mentioned problems.

In order to solve the technical problems, the invention adopts the technical scheme that: a dishwasher comprises

a sink for receiving items to be washed;

The bottom of the water tank is provided with an accommodating chamber for accommodating washing liquid and a pump body structure connected with the accommodating chamber;

The monitoring module is used for judging the liquid level in the water tank according to the current change of the pump body structure caused by the capacity of the washing liquid in the water tank;

The pump body structure comprises a washing impeller which is arranged in the accommodating chamber, has a flow guide structure for enhancing the flow of washing liquid and provides washing power for the washing water path;

The accommodation chamber comprises a first chamber and a second chamber which are communicated with each other;

the washing liquid flows in through the water inlet end of the washing impeller which is in fluid communication with the second chamber and flows out of the water outlet end of the washing impeller into the first chamber.

in one embodiment, the washing liquid flows into the water inlet end of the washing impeller which is in fluid connection with the second chamber through the second chamber, is concentrated towards the axis of the washing impeller along with the rotation of the washing impeller, flows upwards along the axial direction of the washing impeller, and flows into the first chamber from the water outlet end of the washing impeller to form the washing chamber.

in one embodiment, the washing liquid flows into the water inlet end of the washing impeller through the second chamber, is concentrated to the axis of the washing impeller along with the rotation of the washing impeller, flows upwards along the axial direction of the washing impeller, flows into the first chamber from the water outlet end of the washing impeller, flows through the washing water channel connected with the water tank through the containing chamber, and enters the spraying system of the water tank, so that the washing of the articles to be washed in the water tank is realized.

In one embodiment, the washing liquid flows back to the second chamber through a circulation water path connected to the sump, and flows into the first chamber from a water inlet end of the washing impeller fluidly connected to the second chamber to circulate the washing liquid.

Wherein also comprises

The sealing structure is matched with the containing chamber along the circumferential direction of the washing impeller;

The pump body structure still is provided with the bearing structure who plays supporting role to seal structure, and seal structure sets up in the circumference direction of washing impeller, and the effectual lift that has increased washing liquid in holding the cavity has increased the cleaning performance of spraying system to the tableware.

Further, continuous or interval continuous is provided with the open structure who supplies the washing liquid to flow on the bearing structure, washing liquid flows into from open structure's circumference and holds in the cavity, along with the rotation of washing impeller, spray system for dish washer provides washing liquid, omit traditional pump body shell, make washing water can follow in the full angle inflow pump, under the drive of washing impeller, realize the function that dish washer sprays the washing, when having avoided because the water route washing water that pump body shell exists and lead to remains and pipeline residue accumulation scheduling problem, the realization of dish washer washing function has been guaranteed again, further optimization has been realized to the dish washer structure.

in one embodiment, the opening structure is any one or a combination of a round hole, a long hole, a special-shaped hole and a wedge-shaped opening which are arranged on the supporting structure.

In one embodiment, the washing liquid flows into the bottom of the washing impeller through the opening structure, is concentrated towards the axis of the washing impeller along with the rotation of the washing impeller, flows upwards along the axial direction of the washing impeller, flows through the washing water channel connected with the water tank through the first chamber, and enters the spraying system of the water tank, so that the washing of the articles to be washed in the water tank is realized.

In addition, the pump body structure further comprises

A drainage impeller which is connected with the washing impeller through a pump shaft in the vertical direction and provides drainage power for a drainage waterway;

Preferably, in vertical direction, the pump shaft stretches into washing chamber and drainage intracavity portion respectively, unites washing pump and drain pump as an organic whole, unites two into one washing function and drainage function simultaneously again for dish washer waterway system has obtained high optimization, has reduced the water consumption, prevents too much accumulation washing water in the pipeline, has improved the availability factor of washing water.

and, the above-mentioned

the pump body structure further comprises a driving device, the pump shaft drives the washing impeller and the drainage impeller to respectively provide washing power and drainage power for the washing water path and the drainage water path, the washing pump and the drainage pump are combined into a whole, and meanwhile, the washing function and the drainage function are combined into a whole, so that a water path system of the dish washing machine is highly optimized, the water consumption is reduced, excessive accumulated washing water in a pipeline is prevented, and the use efficiency of the washing water is improved.

Further, the washing impeller and the drain impeller are respectively disposed at the top and the bottom of the driving device in the vertical direction.

Further, the

The driving device rotates forwards, and the washing impeller provides washing power for the washing water path;

The driving device rotates reversely, and the drainage impeller provides drainage power for the drainage waterway.

in addition, the flow guide structure comprises

A first guide section for guiding the washing liquid to the axial direction of the washing impeller;

a second guide section for guiding the washing liquid upwards along the axial direction of the washing impeller;

A third guide section for guiding the washing liquid to wash the impeller in the radial direction into the accommodating chamber;

In one embodiment, the first flow guiding section is disposed on the hub of the washing impeller and has an arc-shaped spiral structure.

after adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

1. The invention integrates the washing pump and the drainage pump into a whole, and simultaneously integrates the washing function and the drainage function into a whole, so that the water path system of the dish washer is extremely optimized, the water consumption is reduced, excessive accumulated washing water in a pipeline is prevented, and the use efficiency of the washing water is improved;

2. The washing pump and the drainage pump are combined into a whole, so that the pump body structure occupies extremely small space in the dish washing machine, the washing capacity is enlarged under the condition that the structural size of the dish washing machine is not changed, and the washing efficiency is improved;

3. According to the pump body structure, the pump shell part is omitted, the pump and the containing chamber form a washing water path, the washing efficiency of the dish washing machine is greatly improved, and the problems that washing water remains in the pump body structure, residues exist in the water path in the pump body and the like are solved;

4. The invention senses the change of the load of the dish washing machine through the driving device, and then judges the water level in the dish washing machine, thereby omitting a conventionally arranged water level monitoring device, greatly reducing the cost of the dish washing machine, avoiding the problem of unstable equipment use caused by excessive electric devices, improving the quality of the equipment and improving the experience of users.

the following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In the drawings:

FIG. 1 is a schematic view of the assembly of the pump body structure of the present invention with a dishwasher;

FIG. 2 is a schematic view of the pump body configuration of the present invention;

FIG. 3 is a schematic cross-sectional view of the pump body configuration of the present invention;

FIG. 4 is a schematic bottom view of the pump body construction of the present invention;

FIG. 5 is a schematic front view of a washing impeller according to the present invention;

FIG. 6 is a schematic top view of a washing impeller according to the present invention;

FIG. 7 is a schematic view of the waterway structure of the present invention;

FIG. 8 is a schematic view of the liquid level monitoring process of the present invention.

In the figure: 1. a water tank; 2. a housing chamber; 201. a first chamber; 202. a second chamber; 3. a pump body structure; 4. washing the impeller; 5. a flow guide structure; 501. a first flow guide section; 502. a second flow guide section; 503. a third flow guide section; 6. a washing water path; 7. a circulating water path; 8. a spray system; 9. a support structure; 901. an open structure; 10. a drainage impeller; 11. a drainage waterway; 12. a drive device; 13. a pump shaft; 14. a washing chamber; 15. a monitoring module; 16. a sealing structure; 17. a drainage cavity; 18. a hub; 19. and a control module.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 is a schematic diagram of a dishwasher pump body structure 3 and a dishwasher assembly, mainly showing a relative position relationship when the pump body structure 3 is mounted to the dishwasher, and a partial composition structure of a containing chamber 2, on the basis of the schematic diagram, a person skilled in the art can obtain a scheme of the pump body structure 3 mounted to the dishwasher in combination with common knowledge in the art.

Fig. 2 is a schematic front view of a pump body structure 3 of a dishwasher according to the present invention, which mainly shows the front view of the pump body structure 3, wherein the schematic view of the pump body structure 3 is emphasized, and a person skilled in the art can obtain the pump body structure 3 motor according to the present invention based on fig. 2 and in combination with the common knowledge in the art.

Fig. 3 is a schematic cross-sectional view of a front view of the pump body structure 3 of the dishwasher of the present invention, further illustrating the structure of the pump body structure 3 of the present invention, and further illustrating the structures of the washing impeller 4, the pump shaft 13, the drain impeller 10 and the drain cavity 17 on the basis of fig. 2, so that those skilled in the art can better understand and recognize the pump body structure 3 of the present invention.

Fig. 4 is a schematic bottom view of the pump body structure 3 of the dishwasher of the present invention, which is mainly used to show the bottom view of the pump body structure 3 of the dishwasher, wherein the pump body structure 3 includes a drain outlet pipe and a drain inlet pipe connected to the drain cavity 17, and since the invention is based on the integrated structure of the pump body structure 3, the pipeline connection of the drain cavity 17 is not further described, and those skilled in the art can combine the technical features of the present invention with the common knowledge in the art to obtain all technical solutions of the present invention.

Fig. 5 is a schematic front view of a washing impeller 4 of a pump body structure 3 of a dishwasher according to the present invention, which mainly shows the structure of the washing impeller 4 of the present invention, wherein the shapes of a first flow guiding section 501, a second flow guiding section 502 and a third flow guiding section 503 are shown more completely, and those skilled in the art can better understand the first flow guiding section 501, the second flow guiding section 502 and the third flow guiding section 503 of the present invention through fig. 5.

Fig. 6 is a schematic top view of the washing impeller 4 of the pump body structure 3 of the dishwasher of the present invention, which mainly further shows the washing impeller 4, and the first through hole of the washing impeller 4 is completely shown in the top view.

Fig. 7 is a schematic view of a water path structure of the present invention, which mainly shows the corresponding arrangement and relative relationship of the washing liquid path and the circulating water path 7 of the dishwasher and the pump body structure 3 of the present invention, and on the basis of fig. 7, a person skilled in the art can combine the technical knowledge of the pump body structure 3 and the dishwasher to obtain the technical solution of the present invention.

Fig. 8 is a schematic flow chart of liquid level monitoring according to the present invention, specifically, the load of the water tank 1 is transferred to the pump body structure 3, the current of the pump body structure 3 changes, the monitoring module 15 sends a corresponding signal to the control module 19 according to the change of the current, and the control module 19 regulates and controls the pump body structure 3 and calculates the corresponding liquid level height.

As shown in fig. 1 to 7, the pump structure 3 of the dishwasher of the present invention is disposed outside the sink 1 of the dishwasher, and specifically, the dishwasher of the present invention includes a housing, a dish rack, a sink 1, a spraying system 8, and a washing system connected to the sink 1 and the spraying system 8, wherein the spraying system 8 includes a movable spraying system 8 disposed on the sink 1 of the dishwasher, and/or a static spraying system 8, the washing system includes the pump structure 3 disposed outside the sink 1 of the dishwasher and a pipeline connecting the pump structure 3 and the spraying system 8, in the art, the pump structure 3 is often disposed outside the bottom of the sink 1 of the dishwasher, and a small portion of the pump structure will place the pump structure 3 outside the side wall of the sink 1 of the dishwasher, the pump structure 3 of the present invention further includes a washing chamber 14 and a drainage chamber 17, the washing cavity 14 is positioned at the top of the pump body structure 3 and is configured to supply washing liquid to a washing liquid path of the dishwasher when the pump body structure 3 rotates forwards; the drainage cavity 17 is disposed at the bottom of the pump body structure 3 and configured to drain water inside the dishwasher tank 1 when the pump body structure 3 is inverted.

further, the washing machine further comprises a driving device 12 used for providing washing power and drainage power for the pump body structure 3, the driving device 12 is connected with the pump shaft 13 which plays a role in power transmission, the pump body structure 3 and the drainage pump are integrated, and meanwhile, the washing function and the drainage function are combined into a whole, so that a water path system of the dish washing machine is optimized extremely high, the water consumption is reduced, excessive accumulated washing liquid in a pipeline is prevented, and the use efficiency of the washing liquid is improved.

furthermore, the washing device also comprises a washing impeller 4 which is respectively connected with the pump shaft 13 in the vertical direction and provides washing power for the washing liquid path and a drainage impeller 10 which provides drainage power for the drainage water path 11, wherein the washing impeller 4 and the drainage impeller 10 are respectively arranged at the top and the bottom of the driving device 12 in the vertical direction, and the washing pump and the drainage pump are combined into a whole, so that the occupied space of the pump body structure 3 in the dish washing machine is extremely small, the washing capacity is enlarged under the condition that the structure size of the dish washing machine is not changed, the washing efficiency is improved, the independent arrangement of the washing pump and the drainage pump is avoided, the conventional reversing valve is omitted, the degree of integration of the pump body structure 3 is greatly improved, the use cost is reduced, and the use quality and experience of users are ensured while the structure of the dish washing machine is optimized.

Specifically, when the pump body structure 3 rotates forward (the forward rotation is not limited to clockwise or counterclockwise rotation, but is recorded as a relative rotation of reverse rotation), the driving device 12 drives the washing impeller 4 to rotate forward, so as to send the washing liquid in the washing cavity 14 into the spraying system 8, and the spraying system 8 sprays the washing liquid onto the dish racks in the sink 1, thereby realizing the washing of the dishes; when the pump body structure 3 rotates reversely (the reverse rotation is not limited to clockwise or anticlockwise rotation, and is recorded as only one relative rotation of the forward rotation), the driving device 12 drives the drainage impeller 10 to rotate reversely, dirty water in the water tank 1 after washing tableware flows through the washing cavity 14 and the drainage cavity 17 and is drained through the drainage pipe, a washing pump and a drainage pump are integrated, and the washing function and the drainage function are combined into a whole, so that a water path system of the dish washing machine is optimized extremely, the water consumption is reduced, excessive accumulated washing liquid in a pipeline is prevented, and the use efficiency of the washing liquid is improved; because the washing pump and the drainage pump are combined into a whole, the pump body structure 3 occupies a very small space in the dish washing machine, so that the washing capacity of the dish washing machine is enlarged and the washing efficiency is improved under the condition that the structural size of the dish washing machine is not changed.

On the basis of the pump body structure 3, the flow guide structure 5 for enhancing the flow of the washing liquid is further arranged on the washing impeller 4 of the pump body structure 3, the flow guide structure 5 is arranged on the washing impeller 4, the flow trend of the washing liquid is enhanced, the washing efficiency of the dish washing machine is further improved, the washing liquid can flow into the accommodating chamber 2 at the outlet end of the washing impeller 4 in a high-speed state, the consumption cost of electric energy is reduced, and the efficiency of the spraying system 8 is improved.

The pump body structure 3 according to the invention is applied in a specific embodiment, in particular as follows.

Example one

As shown in fig. 1 to 7, the pump structure 3 of the dishwasher of the present embodiment is disposed outside the sink 1 of the dishwasher, and specifically, the dishwasher of the present invention includes a housing, a dish rack, a sink 1, a spraying system 8, and a washing system connected to the sink 1 and the spraying system 8, where the spraying system 8 includes a dynamic spraying system 8 and/or a static spraying system 8 disposed on the sink 1 of the dishwasher, the washing system includes the pump structure 3 disposed outside the sink 1 of the dishwasher and a pipeline connecting the pump structure 3 and the spraying system 8, and in the art, the pump structure 3 is often disposed outside the bottom of the sink 1 of the dishwasher, and a small portion of the pump structure will place the pump structure 3 outside the side wall of the sink 1 of the dishwasher, and the pump structure 3 of the present invention further includes a washing chamber 14 and a drainage chamber 17, the washing cavity 14 is positioned at the top of the pump body structure 3 and is configured to supply washing liquid to a washing liquid path of the dishwasher when the pump body structure 3 rotates forwards; the drainage cavity 17 is disposed at the bottom of the pump body structure 3 and configured to drain water inside the dishwasher tank 1 when the pump body structure 3 is inverted.

the invention integrates the washing pump and the drainage pump into a whole, and simultaneously integrates the washing function and the drainage function into a whole, so that the water path system of the dish washer is extremely optimized, the water consumption is reduced, excessive accumulation of washing water in a pipeline is prevented, and the use efficiency of the washing water is improved.

Example two

As shown in fig. 1 to 7, the present embodiment is further limited to the first embodiment, and the pump body structure 3 of the dishwasher of the present embodiment further includes a driving device 12 for providing washing power and drainage power to the pump body structure 3, and a pump shaft 13 connected to the driving device 12 and functioning to transmit power, so as to integrate the pump body structure 3 and the drainage pump, and simultaneously integrate the washing function and the drainage function into one, so that the water path system of the dishwasher is optimized extremely high, the water consumption is reduced, excessive accumulation of washing liquid in the pipeline is prevented, and the use efficiency of the washing liquid is improved.

EXAMPLE III

As shown in fig. 1 to 7, this embodiment is further limited to any one of the first embodiment or the second embodiment, the pump body structure 3 of the dishwasher of this embodiment further includes a washing impeller 4 connected to the pump shaft 13 in the vertical direction respectively for providing washing power to the washing liquid path and a drain impeller 10 for providing drain power to the drain water path 11, the washing impeller 4 and the drain impeller 10 are respectively disposed at the top and the bottom of the driving device 12 in the vertical direction, and the washing pump and the drain pump are combined into one, so that the pump body structure 3 of the present invention occupies a very small space in the dishwasher, so that the dishwasher has an enlarged washing capacity and improved washing efficiency under the condition that the structural size of the dishwasher is not changed, and the conventional reversing valve is omitted while the washing pump and the drain pump are not separately disposed, thereby greatly improving the degree of integration of the pump body structure 3, the use cost is reduced, and the use quality and experience of a user are ensured while the structure of the dishwasher is optimized.

Specifically, when the pump body structure 3 rotates forward (the forward rotation is not limited to clockwise or counterclockwise rotation, but is recorded as a relative rotation of reverse rotation), the driving device 12 drives the washing impeller 4 to rotate forward, so as to send the washing liquid in the washing cavity 14 into the spraying system 8, and the spraying system 8 sprays the washing liquid onto the dish racks in the sink 1, thereby realizing the washing of the dishes; when the pump body structure 3 rotates reversely (the reverse rotation is not limited to clockwise or anticlockwise rotation, and is recorded as only one relative rotation of the forward rotation), the driving device 12 drives the drainage impeller 10 to rotate reversely, dirty water in the water tank 1 after washing tableware flows through the washing cavity 14 and the drainage cavity 17 and is drained through the drainage pipe, a washing pump and a drainage pump are integrated, and the washing function and the drainage function are combined into a whole, so that a water path system of the dish washing machine is optimized extremely, the water consumption is reduced, excessive accumulated washing liquid in a pipeline is prevented, and the use efficiency of the washing liquid is improved; because the washing pump and the drainage pump are combined into a whole, the pump body structure 3 occupies a very small space in the dish washing machine, so that the washing capacity of the dish washing machine is enlarged and the washing efficiency is improved under the condition that the structural size of the dish washing machine is not changed.

Example four

As shown in fig. 1 to 7, this embodiment is further limited to any one of the first to third embodiments, in the pump body structure 3 of this embodiment, the washing impeller 4 is provided with a flow guiding structure 5 for enhancing the flow of the washing liquid, and provides the washing power to the washing water path 6, and the flow guiding structure 5 includes a first flow guiding section 501 for guiding the washing liquid to the axial direction of the washing impeller 4; a second guide section 502 for guiding the washing liquid upward in the axial direction of the washing impeller 4; the third flow guide section 503 guides the washing liquid to the radial direction of the washing impeller 4 and into the containing chamber 2, and the flow guide structure 5 is arranged on the washing impeller 4, so that the flowing trend of the washing liquid is enhanced, the washing efficiency of the dishwasher is further improved, the washing liquid can flow into the containing chamber 2 at the outlet end of the washing impeller 4 in a high-speed state, the consumption cost of electric energy is reduced, and the efficiency of the spraying system 8 is improved.

The first flow guiding section 501 is disposed on the hub 18 of the washing impeller 4 and has an arc-shaped spiral structure, and the first flow guiding section 501 is disposed in the arc-shaped spiral structure, so that the washing liquid is better guided by the flow guiding structure 5 along with the rotation of the washing impeller 4 under the driving of the washing impeller 4, and better enters the next structural section of the flow guiding structure 5 and is better concentrated upwards along with the rotation of the washing impeller 4 along the axial direction.

EXAMPLE five

As shown in fig. 1 to 8, the dishwasher of the present embodiment includes an outer casing, a dish rack, a water tank 1, a spraying system 8, and a washing system connected to the water tank 1 and the spraying system 8, where the spraying system 8 includes a movable spraying system 8 and/or a static spraying system 8 disposed on the water tank 1 of the dishwasher, the washing system includes a pump body structure 3 disposed outside the water tank 1 of the dishwasher and a pipeline connecting the pump body structure 3 and the spraying system 8, the water tank 1 is configured to receive an article to be washed, a receiving chamber 2 for receiving a washing liquid and a pump body structure 3 connected to the receiving chamber 2 are disposed at the bottom of the water tank 1, and the pump body structure 3 includes a washing impeller 4 disposed inside the receiving chamber 2 and providing a washing power to a washing water path 6; a drain impeller 10 connected to the same pump shaft 13 as the washing impeller 4, integrating the washing pump and the drain pump, meanwhile, the washing function and the drainage function are combined into a whole, so that the water path system of the dish washing machine is greatly optimized, the water consumption is reduced, excessive accumulated washing water in a pipeline is prevented, the use efficiency of the washing water is improved, because the washing pump and the drainage pump are combined into a whole, the pump body structure 3 of the invention occupies extremely small space in the dish washing machine, in addition, the pump body structure 3 omits a pump shell part, the pump and the accommodating chamber 2 form a washing water path 6, the washing efficiency of the dish washing machine is greatly improved, and the problems that washing water is remained in the pump body structure 3, residues exist in the water path in the pump body and the like are avoided.

EXAMPLE six

as shown in fig. 1 to 8, the present embodiment is further defined by the fifth embodiment, and the dishwasher of the present embodiment further includes a sealing structure 16, which is matched with the accommodating chamber 2 in the circumferential direction, on the washing impeller 4; still be provided with the bearing structure 9 that plays supporting role to seal structure 16 on the pump body structure 3, seal structure 16 sets up in the circumferential direction of washing impeller 4, and the effectual lift that has increased washing liquid in holding cavity 2 has increased the cleaning performance of spray system 8 to the tableware.

In the supporting structure 9 described in this embodiment, in order to facilitate the flow of the washing liquid in the washing water channel 6, an opening structure 901 for the flow of the washing liquid is continuously or intermittently and continuously provided on the supporting structure 9, the opening structure 901 communicates with the inside and the outside of the accommodating chamber 2, the washing liquid flows into the accommodating chamber 2 from the circumferential direction of the opening structure 901, along with the rotation of the washing impeller 4, the washing liquid is provided for the spraying system 8 of the dishwasher, the conventional pump body housing is omitted, so that the washing water can flow into the pump from all angles, under the driving of the washing impeller 4, the spraying and washing functions of the dishwasher are realized, the problems of the water channel washing water residue, the pipeline residue accumulation and the like caused by the existence of the pump body housing are avoided, the realization of the washing functions of the dishwasher is guaranteed, and the optimization of the structure of the dishwasher is further.

EXAMPLE seven

As shown in fig. 1 to 8, the present embodiment is further limited to the sixth embodiment, and in the dishwasher of the present embodiment, the opening structure 901 of the seventh opening structure on the supporting structure 9 is any one or a combination of several of a round hole, a long hole, a shaped hole, and a wedge-shaped opening.

Example eight

as shown in fig. 1 to 8, the present embodiment is further limited to any one of the sixth embodiment or the seventh embodiment, the washing liquid described in the present embodiment flows into the bottom of the washing impeller 4 through the opening structure 901, is concentrated toward the axis of the washing impeller 4 along with the rotation of the washing impeller 4, flows upward along the axial direction of the washing impeller 4, flows through the washing water path 6 connecting the accommodating chamber 2 and the water tank 1, and enters the spraying system 8 of the water tank 1, so as to wash the articles to be washed inside the water tank 1.

Example nine

as shown in fig. 1 to 8, the present embodiment is further limited to any one of the fifth to eighth embodiments, and the pump body structure 3 of the dishwasher of the present embodiment further includes a driving device 12, the pump shaft 13 drives the washing impeller 4 and the drain impeller 10 to respectively provide washing power and drain power to the washing water path 6 and the drain water path 11, the washing pump and the drain pump are integrated, and the washing function and the drain function are integrated, so that the water path system of the dishwasher is optimized extremely, the water consumption is reduced, excessive accumulated washing water in the water path is prevented, and the use efficiency of the washing water is improved.

example ten

As shown in fig. 1 to 8, this embodiment is a further limitation of the ninth embodiment, and the washing impeller 4 and the drainage impeller 10 are respectively disposed at the top and the bottom of the driving device 12 in the vertical direction; in addition, the driving device 12 rotates forward, and the washing impeller 4 provides washing power to the washing water path 6; the driving device 12 rotates in the reverse direction, and the discharge impeller 10 supplies discharge power to the discharge water channel 11.

Specifically, when the pump body structure 3 rotates forward (the forward rotation is not limited to clockwise or counterclockwise rotation, but is recorded as a relative rotation of reverse rotation), the driving device 12 drives the washing impeller 4 to rotate forward, so as to send the washing liquid in the washing cavity 14 into the spraying system 8, and the spraying system 8 sprays the washing liquid onto the dish racks in the sink 1, thereby realizing the washing of the dishes; when the pump body structure 3 rotates reversely (the reverse rotation is not limited to clockwise or anticlockwise rotation, and is recorded as only one relative rotation of the forward rotation), the driving device 12 drives the drainage impeller 10 to rotate reversely, dirty water in the water tank 1 after washing tableware flows through the washing cavity 14 and the drainage cavity 17 and is drained through the drainage pipe, a washing pump and a drainage pump are integrated, and the washing function and the drainage function are combined into a whole, so that a water path system of the dish washing machine is optimized extremely, the water consumption is reduced, excessive accumulated washing liquid in a pipeline is prevented, and the use efficiency of the washing liquid is improved; because the washing pump and the drainage pump are combined into a whole, the pump body structure 3 occupies a very small space in the dish washing machine, so that the washing capacity of the dish washing machine is enlarged and the washing efficiency is improved under the condition that the structural size of the dish washing machine is not changed.

EXAMPLE eleven

As shown in fig. 1 to 8, this embodiment is further defined by any one of the fifth to tenth embodiments, and the accommodating chamber 2 of the dishwasher of this embodiment comprises a first chamber 201 and a second chamber 202 which are communicated with each other; the washing liquid flows in through the water inlet end of the washing impeller 4 in fluid communication with the second chamber 202 and flows out of the water outlet end of the washing impeller 4 into the first chamber 201.

As can be seen from fig. 1 and 3, the first chamber 201 and the second chamber 202 may be layered up and down by the supporting structure 9, or layered inside and outside by the supporting structure 9, and when layered up and down, the washing liquid flows from the first chamber 201 outside the opening structure 901 of the supporting structure 9 into the first chamber 201 inside the opening structure 901 of the supporting structure 9; when the support structure 9 is stratified inside and outside, the washing liquid flows from the first chamber 201 outside the open structure 901 of the support structure 9 into the second chamber 202 inside the open structure 901 of the support structure 9.

Example twelve

as shown in fig. 1 to 8, this embodiment is further defined by any one of the fifth to eleventh embodiments, in which the washing liquid flows into the water inlet end of the washing impeller 4 fluidly connected to the second chamber 202 through the second chamber 202, is concentrated toward the axis of the washing impeller 4 along with the rotation of the washing impeller 4, flows upward along the axial direction of the washing impeller 4, and flows into the washing chamber 14 from the water outlet end of the washing impeller 4 into the first chamber 201.

EXAMPLE thirteen

As shown in fig. 1 to 8, the present embodiment is further limited to any one of the fifth to twelfth embodiments, in which the washing liquid flows into the water inlet end of the washing impeller 4 through the second chamber 202, is concentrated toward the axis of the washing impeller 4 along with the rotation of the washing impeller 4, flows upward along the axial direction of the washing impeller 4, flows into the first chamber 201 from the water outlet end of the washing impeller 4, flows through the washing water path 6 connecting the accommodating chamber 2 and the water tank 1, and enters the spraying system 8 of the water tank 1, so as to wash the articles to be washed inside the water tank 1.

example fourteen

as shown in fig. 1 to 8, the present embodiment is further defined by any one of the fifth to thirteenth embodiments, wherein the washing liquid flows back to the second chamber 202 through the circulation water path 7 connected to the water tank 1, and flows into the first chamber 201 from the water inlet end of the washing impeller 4 fluidly connected to the second chamber 202 to circulate the washing liquid.

Example fifteen

As shown in fig. 1 to 8, this embodiment is further limited to any one of the fifth to fourteenth embodiments, and the dishwasher of this embodiment further includes a flow guiding structure 5 disposed on the washing impeller 4 of the pump body structure 3 for enhancing the flow of the washing liquid, specifically, the flow guiding structure 5 includes a first flow guiding section 501 for guiding the washing liquid toward the axial direction of the washing impeller 4; a second guide section 502 for guiding the washing liquid upward in the axial direction of the washing impeller 4; the third diversion section 503 which guides the washing liquid to the radial direction of the washing impeller 4 and into the containing chamber 2 is provided with the diversion structure 5 on the washing impeller 4, so that the flowing trend of the washing liquid is enhanced, the washing efficiency of the dishwasher is further improved, the washing liquid can flow into the containing chamber 2 at the outlet end of the washing impeller 4 in a high-speed state, the consumption cost of electric energy is reduced, and the efficiency of the spraying system 8 is improved.

Example sixteen

as shown in fig. 1 to 8, in this embodiment, which is a further limitation of any one of the fifth to fifteenth embodiments, in the pump body structure 3 of the washing impeller 4 of this embodiment, the first flow guiding section 501 is disposed on the hub 18 of the washing impeller 4 and has an arc-shaped spiral structure, and the first flow guiding section 501 is configured as the arc-shaped spiral structure, so that the washing liquid is driven by the washing impeller 4 to better be guided by the flow guiding structure 5 along with the rotation of the washing impeller 4, and better enters the next structural section of the flow guiding structure 5 to better concentrate upwards along the axial direction of the washing impeller 4 along with the rotation of the washing impeller 4.

Example seventeen

as shown in fig. 8, this embodiment is further limited to any one of the fifth to sixteenth embodiments, and the dishwasher in this embodiment has a monitoring module 15 for determining a liquid level in the water tank 1 according to a current change of the pump body structure 3 caused by a volume of a washing liquid in the water tank 1, specifically, a load amount of the water tank 1 is transmitted to the pump body structure 3, a current of the pump body structure 3 changes, the monitoring module 15 sends a corresponding signal to the control module 19 according to the current change, the control module 19 regulates and controls the pump body structure 3, calculates a corresponding liquid level height, senses the load change through the driving device 12, and further determines an internal water level of the dishwasher, a conventionally arranged water level monitoring device is omitted, the cost of the dishwasher is greatly reduced, and a problem of unstable use of the dishwasher due to too many electric devices is avoided, the quality of the equipment is improved, and the user experience is also improved.

in the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.

All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.

it should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A dishwasher comprises

A tub (1) for receiving articles to be washed;

The bottom of the water tank (1) is provided with an accommodating chamber (2) for accommodating washing liquid and a pump body structure (3) connected with the accommodating chamber (2);

The method is characterized in that:

The device is provided with a monitoring module (15) which judges the liquid level in the water tank (1) according to the current change of the pump body structure (3) caused by the capacity of the washing liquid in the water tank (1);

The pump body structure (3) comprises a washing impeller (4) which is arranged in the accommodating chamber (2), is provided with a flow guide structure (5) for enhancing the flow of washing liquid and provides washing power for the washing water path (6);

The containment chamber (2) comprises a first chamber (201) and a second chamber (202) communicating with each other;

The washing liquid flows in through the water inlet end of the washing impeller (4) which is in fluid communication with the second chamber (202) and flows out from the water outlet end of the washing impeller (4) into the first chamber (201).

2. A dishwasher according to claim 1, wherein: the washing liquid flows into the water inlet end of the washing impeller (4) which is in fluid connection with the second chamber (202) through the second chamber (202), is concentrated towards the axis of the washing impeller (4) along with the rotation of the washing impeller (4), flows upwards along the axial direction of the washing impeller (4), and flows into the first chamber (201) from the water outlet end of the washing impeller (4) to form a washing cavity (14).

3. A dishwasher according to claim 1 or 2, wherein: washing liquid flows into the water inlet end of the washing impeller (4) through the second chamber (202), is concentrated along the axis of the washing impeller (4) along with the rotation of the washing impeller (4), flows upwards along the axial direction of the washing impeller (4), flows into the first chamber (201) from the water outlet end of the washing impeller (4), flows through the washing water channel (6) connected with the water tank (1) through the accommodating chamber (2), and enters the spraying system (8) of the water tank (1), so that the washing of articles to be washed in the water tank (1) is realized.

4. A dishwasher according to any one of claims 1 to 3, wherein: the washing liquid flows back to the second chamber (202) through a circulating water path (7) connected with the water tank (1), and flows into the first chamber (201) from the water inlet end of the washing impeller (4) which is in fluid connection with the second chamber (202) to realize the circulation of the washing liquid.

5. A dishwasher according to claim 4, wherein: also comprises

A sealing structure (16) matched with the containing chamber (2) along the circumferential direction of the washing impeller (4);

And a supporting structure (9) for supporting the sealing structure (16) is also arranged on the pump body structure (3).

6. A dishwasher according to claim 5, wherein: the support structure (9) is continuously or intermittently provided with an opening structure (901) for flowing washing liquid;

Preferably, the opening structure (901) is any one or a combination of several of a round hole, a long hole, a special-shaped hole and a wedge-shaped opening which are arranged on the supporting structure (9).

7. a dishwasher according to claim 6, wherein: washing liquid flows into the bottom of the washing impeller (4) through the opening structure (901), is concentrated to the axis of the washing impeller (4) along with the rotation of the washing impeller (4), flows upwards along the axial direction of the washing impeller (4), flows through the washing water channel (6) connected with the water tank (1) through the first chamber (201), and enters the spraying system (8) of the water tank (1), so that the washing of articles to be washed in the water tank (1) is realized.

8. A dishwasher according to any one of claims 1 to 7, wherein: the pump body structure (3) further comprises a drainage impeller (10) which is connected with the washing impeller (4) through a pump shaft (13) in the vertical direction and provides drainage power for a drainage water channel (11);

Preferably, the pump shaft (13) extends inside the washing chamber (14) and the drainage chamber (17), respectively, in a vertical direction.

9. A dishwasher according to claim 8, wherein: the above-mentioned

The pump body structure (3) further comprises a driving device (12), and the pump shaft (13) drives the washing impeller (4) and the drainage impeller (10) to respectively provide washing power and drainage power for the washing water path (6) and the drainage water path (11);

preferably, the washing impeller (4) and the drainage impeller (10) are respectively arranged at the top and the bottom of the driving device (12) in the vertical direction;

More preferably, the driving device (12) rotates forwards, and the washing impeller (4) provides washing power for the washing water path (6);

The driving device (12) rotates reversely, and the drainage impeller (10) provides drainage power to the drainage water channel (11).

10. A dishwasher according to any one of claims 1 to 9, wherein: the flow guiding structure (5) comprises

A first guide section (501) for guiding the washing liquid to the axial direction of the washing impeller (4);

A second guide section (502) for guiding the washing liquid upwards along the axial direction of the washing impeller (4);

A third guide section (503) for guiding the washing liquid to the radial direction of the washing impeller (4) and towards the containing chamber (2);

Preferably, the first flow guiding section (501) is arranged on the hub (18) of the washing impeller (4) and has an arc spiral structure.