CN213910106U - Device for washing tableware - Google Patents

Abstract

The application relates to the technical field of household appliances, and discloses a device for tableware cleaning, which comprises: the first water tank, the second water tank, the drain pump, the first check valve and the second check valve. The first water tank comprises a first water discharging opening; the second water tank comprises a second water outlet; the water inlet end of the drainage pump is communicated with the first drainage port; the first one-way valve is communicated with the water outlet end of the drainage pump; the second one-way valve is arranged in linkage with the first one-way valve, the second one-way valve is opened when the first one-way valve is opened, and the second water outlet is communicated with the second one-way valve. In this application, when discharging the waste water in first water tank and the second water tank, the drain pump draws water and forms pressure to utilize pressure to make first check valve open, and then drive the second check valve that sets up with the linkage of first check valve and open, make the synchronous drainage of first water tank and second water tank, labour saving and time saving reduces operating personnel's work load.

Description

Device for washing tableware

Technical Field

The present application relates to the field of household electrical appliances, for example, to a device for washing dishes.

Background

At present, with the development of society, people pay more and more attention to food safety, and commercial dish-washing machines become necessary cleaning equipment for kitchens of restaurants, and the frequency of use is particularly high. Whether the dish washer can normally use and become the restriction factor that the dining room normally operated, and the clean quality direct influence of dish washer trade company's image and user experience, in order to reduce the energy consumption of dish washer, can connect the heat exchange water tank that can carry out heat exchange in the dish washer, be used for improving the temperature that the dish washer intake, thereby reach energy-conserving effect, and heat exchange water tank and main washing water tank are connected, all will carry out two water tanks of thorough evacuation and clear up after the dish washer finishes using at every turn, use when waiting for washing dishes next time, among the correlation technique, dish washer water tank evacuation mode is after pulling out main washing water tank and heat exchange water tank overflow bar respectively, moisture relies on the effect of dead weight to flow into behind the downcomer and discharges.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

the drainage mode is time-consuming and labor-consuming, and the workload of operators is increased.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a device for cleaning tableware, so that a first water tank and a second water tank can drain water synchronously, time and labor are saved, and the workload of operators is reduced.

In some embodiments, the device for dish washing comprises: the first water tank, the second water tank, the drain pump, the first check valve and the second check valve. The first water tank comprises a first water discharging opening; the second water tank comprises a second water outlet; the water inlet end of the drainage pump is communicated with the first drainage port; the first one-way valve is communicated with the water outlet end of the drainage pump; the second one-way valve is arranged in linkage with the first one-way valve, the second one-way valve is opened when the first one-way valve is opened, and the second water outlet is communicated with the second one-way valve.

The device for washing tableware provided by the embodiment of the disclosure can realize the following technical effects:

when waste water to in first water tank and the second water tank discharges, the drain pump draws water and forms pressure to utilize pressure to make first check valve open, and then drive the second check valve that sets up with the linkage of first check valve and open, make first water tank and the synchronous drainage of second water tank, labour saving and time saving reduces operating personnel's work load.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

FIG. 1 is a schematic structural view of an apparatus for dish washing according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a first check valve provided by an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a first cavity provided in an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a second one-way valve provided by an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a second cavity provided in an embodiment of the present disclosure;

FIG. 6 is a schematic structural view of a linkage of a first check valve and a second check valve provided by the embodiment of the present disclosure;

FIG. 7 is a schematic structural diagram of a drain pipe provided by an embodiment of the present disclosure;

FIG. 8 is a schematic structural view of communication between a first check valve, a second check valve and a second drain port provided by an embodiment of the present disclosure;

FIG. 9 is a schematic structural diagram of another device for washing dishes according to the embodiment of the present disclosure.

Reference numerals:

100. a first water tank; 101. a first drain port; 102. an overflow channel; 200. a second water tank; 201. a second water discharge port; 202. a drain pipe; 300. draining pump; 400. a first check valve; 410. a first cavity; 411. a first water inlet channel; 412. a first flow expansion channel; 413. a first water outlet channel; 420. a first plug; 421. a linkage rod; 430. a first reset member; 440. a first water inlet; 441. a first seal ring; 500. a second one-way valve; 510. a second cavity; 511. a second water inlet channel; 512. a second flow expansion channel; 513. a second water outlet channel; 520. a second plug; 530. a second reset member; 540. a second water inlet; 541. a second seal ring; 600. a three-way connecting pipe; 601. a first port; 602. a second port; 603. a third port; 700. an overflow pipe; 701. a third water discharge port; 702. a guide ring; 800. and (4) a water inlet pipe.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

In some embodiments, and as shown in conjunction with fig. 1-6, an apparatus for dish washing, comprises: a first water tank 100, a second water tank 200, a drain pump 300, a first check valve 400, and a second check valve 500. The first tank 100 includes a first drain port 101; the second water tank 200 includes a second drain port 201; the water inlet end of the water discharge pump 300 is communicated with the first water discharge port 101; the first check valve 400 is communicated with the water outlet end of the drainage pump 300; the second check valve 500 is linked with the first check valve 400, when the first check valve 400 is opened, the second check valve 500 is opened, and the second drain port 201 is communicated with the second check valve 500.

By adopting the device for washing tableware provided by the embodiment of the disclosure, when the wastewater in the first water tank 100 and the second water tank 200 is discharged, the water in the drainage pump 300 is pumped to form pressure, so that the first check valve 400 is opened by utilizing the pressure, and then the second check valve 500 which is linked with the first check valve 400 is driven to be opened, so that the first water tank 100 and the second water tank 200 can synchronously drain water, time and labor are saved, and the workload of operators is reduced.

The device for washing tableware provided by the embodiment of the disclosure can be applied to dish washers, particularly commercial dish washers. Optionally, the first tank 100 is a main wash tank. Thus, the first tank 100 is provided as a main wash tank for storing main wash water.

Alternatively, the second water tank 200 is a heat exchange water tank. Like this, set up second water tank 200 into heat exchange water tank, at the in-process that first water tank 100 washd the tableware, unnecessary hot water can flow into heat exchange water tank in the first water tank 100, utilizes the hot water that flows into in the heat exchange water tank to heat the intaking of first water tank 100 to carry out waste heat recovery to the heat of the aquatic of flowing into in the heat exchange water tank and recycle, energy-concerving and environment-protective.

Optionally, the first drain port 101 is located at a lower end of the first tank 100. In this way, the water in the first water tank 100 is more easily drained, and the drainage efficiency of the first water tank 100 is improved.

Optionally, the second drain opening 201 is located at a lower end of the second water tank 200. Thus, the water in the second water tank 200 is more easily drained, and the drainage efficiency of the second water tank 200 is improved.

Optionally, the first check valve 400 and the second check valve 500 each comprise: cavity, end cap and the piece that resets. One end of the cavity is provided with a water inlet; the plug is arranged in the cavity, and seals the water inlet under the condition of being positioned at the first position, and opens the water inlet under the condition of being positioned at the second position; the reset piece is connected with the plug and used for pushing the plug to the first position. Thus, the cavities of the first check valve 400 and the second check valve 500 are used for providing a passage for the drainage, because the first check valve 400 and the second check valve 500 are both positioned at the water outlet end of the drainage pump 300, when the drainage pump 300 is closed, the plug blocks the water inlet under the action of the reset piece, when the drainage pump 300 is opened, the drainage pump 300 pumps water to form pressure, the plug blocks the water inlet under the action of the pressure is pushed to the second position, the water inlet is opened, a circulating passage is formed in the cavity, the water flow is discharged through the circulating passage, when the drainage pump 300 is closed again, the pressure in the cavity disappears, the plug returns to the first position again under the action of the reset piece, the water inlet is closed, the circulating passage is also closed, because the first check valve 400 and the second check valve 500 are arranged in a linkage manner, when the plug in the first check valve 400 is opened, the plug in the second check valve 500 is also opened, so that the first drain port 101 and the second drain port 201 are both in an opened state, and the water in the first water tank 100 and the second water tank 200 is drained through the first drain port 101 and the second drain port 201, so that the first water tank 100 and the second water tank 200 are drained synchronously, time and labor are saved, and the workload of operators is reduced.

Optionally, the first check valve 400 comprises: a first cavity 410, a first plug 420 and a first restoring member 430; the second check valve 500 includes: a second cavity 510, a second plug 520, and a second restoring member 530. Thus, when the drain pump 300 is closed, the first plug 420 blocks the first water inlet 440 under the action of the first reset piece 430, when the drain pump 300 is opened, the drain pump 300 pumps water to form pressure, the first plug 420 which blocks the first water inlet 440 under the action of the pressure is pushed to the second position, the first water inlet 440 is opened, the second check valve linked with the first check valve is also opened, a circulating channel is formed in the first cavity 410 and the second cavity 510, and water flows are discharged through the circulating channel, so that the first water outlet 101 and the second water outlet 201 are both in an opened state, water in the first water tank 100 and the second water tank 200 is discharged through the first water outlet 101 and the second water outlet 201, the first water tank 100 and the second water tank 200 synchronously discharge water, time and labor are saved, and the workload of operators is reduced.

Optionally, the first cavity 410 comprises: a first water inlet passage 411, a first flow expansion passage 412 and a first water outlet passage 413. One end of the first water inlet channel 411 is communicated with the water outlet end of the drain pump 300, and the other end is communicated with the first flow expansion channel 412; one end of the first flow expansion channel 412 is communicated with the first water inlet channel 411, and the other end is communicated with the first water outlet channel 413; the first outlet passage 413 has one end communicating with the first diffuser passage 412 and the other end serving as the outlet end of the first check valve 400. In this way, the first cavity 410 of the first check valve 400 has a flow passage formed by the first water inlet passage 411, the first flow expansion passage 412 and the first water outlet passage 413, and water discharged from the first water tank 100 can be discharged through the flow passage, thereby facilitating better discharge of water from the first water tank 100.

Optionally, the second cavity 510 comprises: a second water inlet passage 511, a second flow expansion passage 512 and a second water outlet passage 513. One end of the second water inlet passage 511 is communicated with the second water outlet 201, and the other end is communicated with the second flow expansion passage 512; one end of the second flow expansion channel 512 is communicated with the second water inlet channel 511, and the other end is communicated with the second water outlet channel 513; one end of the second outlet channel 513 is connected to the second flow expansion channel 512, and the other end is the outlet end of the second check valve 500. In this way, the second chamber 510 of the second check valve 500 has a flow passage formed by the second water inlet passage 511, the second flow expansion passage 512 and the second water outlet passage 513, and water discharged from the second water tank 200 can be discharged through the flow passage, thereby facilitating better discharge of water from the second water tank 200.

Optionally, a first water inlet 440 is disposed at one end of the first cavity 410, the first water inlet 440 is disposed at one end of the first water inlet channel 411 communicated with the first flow expansion channel 412, a second water inlet 540 is disposed at one end of the second cavity 510, and the second water inlet 540 is disposed at one end of the second water inlet channel 511 communicated with the second flow expansion channel 512. Thus, water discharged from the first water tank 100 firstly enters the first water inlet passage 411, then enters the first flow expansion passage 412 through the first water inlet 440, the first water inlet 440 is controlled to be closed or opened through the position change of the first plug 420, so that the first check valve 400 is controlled to be closed or opened, and further the water discharge of the first water tank 100 is controlled, water discharged from the second water tank 200 firstly enters the second water inlet passage 511, then enters the second flow expansion passage 512 through the second water inlet 540, and the second water outlet is controlled to be closed or opened through the position change of the second plug 520, so that the second check valve 500 is controlled to be closed or opened, and further the water discharge of the second water tank 200 is controlled, so that the first water tank 100 and the second water tank 200 synchronously discharge water, time and labor are saved, and the workload of operators is reduced.

Optionally, the first plug 420 and the first reset member 430 are both disposed in the first flow expansion channel 412, and one end of the first reset member 430 is connected to the first plug 420, and the other end is connected to the inner wall of the first flow expansion channel 412. Thus, thrust is applied to the first plug 420 through the first resetting piece 430, and under the condition that the drainage pump 300 is closed, the first resetting piece 430 pushes the first plug 420 to the first position to block the first water inlet 440, so that the first one-way valve 400 can be automatically closed, time and labor are saved, and the workload of operators is reduced.

Optionally, the second plug 520 and the second restoring member 530 are disposed in the second flow expansion channel 512, and one end of the second restoring member 530 is connected to the second plug 520, and the other end is connected to an inner wall of the second flow expansion channel 512. Like this, exert thrust through the second piece 530 that resets for second end cap 520, under the condition that first check valve 400 closed, second check valve 500 with first check valve 400 linkage also closed, the second piece 530 that resets promotes second end cap 520 to the first position, with the shutoff of second water inlet 540 to but make second check valve 500 self-closing, labour saving and time saving has reduced operating personnel's work load.

Optionally, the first restoring member 430 and the second restoring member 530 are both springs. Thus, the spring is easy to obtain, the service life is long, and the production cost of the device is reduced.

Optionally, the first water inlet channel 411, the first flow expansion channel 412 and the first water outlet channel 413 are all circular channels. Thus, the first water inlet channel 411, the first flow expansion channel 412 and the first water outlet channel 413 form a circular flow channel in the first cavity 410, which is convenient for the water flow discharged from the first water tank 100 to flow in the flow channel, and reduces the pressure loss when the water flow flows.

Optionally, the second water inlet channel 511, the second flow expansion channel 512 and the second water outlet channel 513 are all circular channels. In this way, the second water inlet channel 511, the second flow expansion channel 512 and the second water outlet channel 513 in the second cavity 510 form a circular flow channel, which facilitates the flow of the water discharged from the second water tank 200 in the flow channel, and reduces the pressure loss when the water flows.

Optionally, the first plug 420 and the second plug 520 are both spherical structures and made of stainless steel material. Like this, spherical end cap can be better with the water inlet shutoff, and the end cap corrosion resistance that stainless steel material made is stronger, has prolonged the life of end cap.

Optionally, the diameter of the first plug 420 is larger than the diameter of the first water inlet passage 411 and smaller than the diameter of the first flow expansion passage 412. Like this, make first end cap 420 under the circumstances of first position the first water inlet 440 of the first inhalant canal 411 one end of shutoff that can be better, the sealed effect of first end cap 420 has been improved, under the circumstances that first end cap 420 is located the second position, make first end cap 420 and first expand and flow there is the clearance between the passageway 412 inner wall, the first water inlet 440 of rivers gets into in first expanding passageway 412 then through the clearance circulation between first end cap 420 and the first passageway 412 inner wall that expands, the circulation of whole passageway has been guaranteed, make rivers can unobstructed discharge, can discharge smoothly with the water in first water tank 100.

Optionally, the diameter of the second plug 520 is larger than the diameter of the second water inlet passage 511 and smaller than the diameter of the second flow expansion passage 512. Like this, make second end cap 520 the second water inlet 540 of shutoff second inhalant canal 511 one end that can be better under the condition of first position, the sealed effect of second end cap 520 has been improved, under the condition that second end cap 520 is located the second position, make to have the clearance between second end cap 520 and the second expand and flow the passageway 512 inner wall, rivers pass through second water inlet 540 and get into in the second expands and flow the passageway 512 then through the clearance circulation between second end cap 520 and the second expand and flow the passageway 512 inner wall, the circulation of whole passageway has been guaranteed, make rivers can unobstructed discharge, can discharge smoothly with the water in the second water tank 200.

Optionally, the diameter of the first plug 420 is one-half of the diameter of the first diffuser passage 412. Thus, under the condition that the first plug 420 is located at the second position, a larger gap exists between the first plug 420 and the inner wall of the first flow expansion channel 412, so that the flow area in the first flow expansion channel 412 is ensured, water can smoothly flow through the first flow expansion channel 412, and water in the first water tank 100 can be smoothly discharged.

Optionally, the diameter of the second plug 520 is one-half of the diameter of the second diffuser passage 512. Thus, under the condition that the second plug 520 is located at the second position, a larger gap exists between the second plug 520 and the inner wall of the second flow expansion channel 512, so that the flow area in the second flow expansion channel 512 is ensured, water can smoothly flow through the second flow expansion channel 512, and water in the second water tank 200 can be smoothly discharged.

Optionally, the plug of the first check valve 400 is connected with the plug of the second check valve 500 through a linkage rod 421. Thus, the plug in the cavity of the first check valve 400 is pushed to the second position by the pressure from the drain pump 300, and in case the water inlet is opened, because the plug of the first one-way valve 400 is connected with the plug of the second one-way valve 500 through the linkage rod 421, while the plug in the first one-way valve 400 is pushed to the second position by pressure, the pressure applied by the linkage rod 421 can be transmitted to the plug inside the second one-way valve 500, so that the plug inside the second one-way valve 500 is also pushed to the second position, the water inlet inside the second one-way valve 500 is opened, therefore, the first check valve 400 and the second check valve 500 are both in an open state, and at the moment, water in the first water tank 100 and the second water tank 200 can be discharged through the first water discharge port 101 and the second water discharge port 201, so that the first water tank 100 and the second water tank 200 can be synchronously discharged, time and labor are saved, and the workload of operators is reduced.

Optionally, the first plug 420 of the first one-way valve 400 is connected with the second plug 520 of the second one-way valve 500 through a linkage rod 421. Thus, the first plug 420 of the first check valve 400 is pressurized by the drainage pump 300 to open the first water inlet 440, and the first plug 420 and the second plug 520 are connected through the linkage rod 421, and the second plug 520 of the second check valve 500 is pushed by the first plug 420 to open the second water inlet 540, so that the first check valve 400 and the second check valve 500 are both in an open state, and at the moment, water in the first water tank 100 and the second water tank 200 can be discharged through the first water discharge port 101 and the second water discharge port 201, so that the first water tank 100 and the second water tank 200 can synchronously discharge water, time and labor are saved, and the workload of operators is reduced.

Optionally, the linkage rod 421 is cylindrical and has a diameter smaller than the diameter of the second water inlet passage 511 and the first water outlet passage 413. Thus, under the condition that the first one-way valve 400 is communicated with the second one-way valve 500, the first plug 420 of the first one-way valve 400 is connected with the second plug 520 of the second one-way valve 500 through the linkage rod 421, the linkage rod 421 passes through the first water outlet passage 413 of the first one-way valve 400 and the second water inlet passage 511 of the second one-way valve 500, at the moment, the diameter of the linkage rod 421 is smaller than the diameters of the first water outlet passage 413 and the second water inlet passage 511, and a gap is formed between the linkage rod 421 and the inner walls of the second water inlet passage 511 and the first water outlet passage 413, so that the circulation of the whole passage is ensured, water flow can be smoothly discharged, and water in the first water tank 100 and the second water tank 200 can be smoothly discharged.

Optionally, the diameter of the first outlet passage 413 is the same as the diameter of the second inlet passage 511. In this way, as the linkage rod 421 connecting the first plug 420 and the second plug 520 passes through the first water outlet channel 413 and the second water inlet channel 511, the same gap exists between the inner walls of the first water outlet channel 413 and the second water inlet channel 511 and the linkage rod 421, so as to ensure the circulation of the whole channel and ensure the smooth discharge of water flow.

Optionally, the linkage bar 421 has a diameter of one third of the second water inlet passage 511. Therefore, a larger gap is formed between the linkage rod 421 and the inner walls of the second water inlet passage 511 and the first water outlet passage 413, the flow areas of the second water inlet passage 511 and the first water outlet passage 413 are ensured, water flow can be smoothly discharged, and water in the first water tank 100 and the second water tank 200 can be smoothly discharged.

Optionally, a sealing ring is arranged around the water inlet. Thus, under the condition that the drainage pump 300 is closed, the plug is pushed to the first position to plug the water inlet under the action of the resetting piece, the plugging effect of the plug can be improved due to the arrangement of the sealing ring, and the sealing effect of the first one-way valve 400 and the second one-way valve 500 is further improved.

Optionally, a first sealing ring 441 is disposed around the first water inlet 440, and a second sealing ring 541 is disposed around the second water inlet 540. Thus, under the condition that the drainage pump 300 is closed, the first water inlet 440 is blocked by the first plug 420 in the first one-way valve 400 under the action of the first resetting piece 430, the second water inlet 540 is blocked by the second plug 520 in the second one-way valve 500 under the action of the second resetting piece 530, the blocking effect of the first plug 420 and the second plug 520 can be improved by the arrangement of the first sealing ring 441 and the second sealing ring 541, and the sealing effect of the first one-way valve 400 and the second one-way valve 500 is further improved.

7-8, in some alternative embodiments, the first one-way valve 400 is in communication with the second one-way valve 500. In this way, since the water outlet end of the drain pump 300 is communicated with the first check valve 400, when the first check valve 400 is communicated with the second check valve 500, the first check valve 400 and the second check valve 500 are both located at the water outlet end of the drain pump 300, when the drain pump 300 is opened, the first check valve 400 and the second check valve 500 form a circulation passage, and water discharged through the first drain port 101 and the second drain port 201 is both discharged into the circulation passage formed by the first check valve 400 and the second check valve 500 and then discharged, and under the action of the drain pump 300, the drainage efficiency is improved, so that the first water tank 100 and the second water tank 200 are drained synchronously, time and labor are saved, and the workload of operators is reduced.

Alternatively, second drain opening 201 communicates with an intermediate position of first check valve 400 and second check valve 500. Thus, when the drainage pump 300 is closed, the first check valve 400 and the second check valve 500 are both in a closed state, the second drainage port 201 is communicated with the middle position of the first check valve 400 and the second check valve 500, the second drainage port 201 can be closed through the second check valve 500, when the drainage pump 300 is opened, the first check valve 400 and the second check valve 500 are both in an open state, and water drained from the first drainage port 101 and the second drainage port 201 can enter a channel formed by the communication of the first check valve 400 and the second check valve 500 to be drained, so that the first drainage port 101 and the second drainage port 201 can be synchronously closed or opened, time and labor are saved, and the workload of operators is reduced.

Optionally, the second water tank 200 further includes: a drain 202. One end of the drain pipe 202 is communicated with the second tank 200, and the other end forms a second drain port 201, and the drain pipe 202 is inclined toward the first check valve 400 and forms a predetermined angle (an angle a shown in fig. 7) with the first check valve 400, wherein the predetermined angle is an acute angle. In this way, when the second tank 200 is drained into the passage formed by the first check valve 400 and the second check valve 500 through the drain pipe 202, since a certain pressure exists in the passage formed by the first check valve 400 and the second check valve 500 and the pressure comes from the direction of the first check valve 400, the drain pipe 202 is inclined toward the first check valve 400, the influence of the pressure in the passage on the drainage of the drain pipe 202 is reduced, the water in the drain pipe 202 can smoothly flow into the passage, and the water in the second tank 200 can smoothly be drained.

Optionally, the preset angle is greater than or equal to 30 degrees and less than or equal to 60 degrees. Thus, in the case that the preset angle is less than 30 degrees, the angle between the drain pipe 202 and the first check valve 400 is small, the water in the drain pipe 202 is not easy to flow into the passage formed by the first check valve 400 and the second check valve 500, and the drainage efficiency of the second water tank 200 is reduced, in the case that the preset angle is greater than 60 degrees, the water in the passage formed by the first check valve 400 and the second check valve 500 is easy to enter the drain pipe 202 under the pressure, and blocks the water in the drain pipe 202, the water in the drain pipe 202 is not easy to flow into the passage, and the drainage efficiency of the second water tank 200 is reduced, so that in the case that the preset angle is greater than or equal to 30 degrees and less than or equal to 60 degrees, the angle between the drain pipe 202 and the first check valve 400 is suitable for the drain of the drain pipe 202, and the water in the second water tank 200 can be smoothly discharged into the passage formed by the first check valve 400 and the second check valve 500, the discharge efficiency of the second water tank 200 is improved.

Optionally, the preset angle is equal to 45 degrees. Thus, the angle between the drainage pipe 202 and the first check valve 400 is set to 45 degrees, at this time, the water flow in the drainage pipe 202 is easy to discharge into the channel formed by the first check valve 400 and the second check valve 500, the influence of the pressure in the channel on the drainage pipe 202 is small, the water in the second water tank 200 can be smoothly discharged into the channel formed by the first check valve 400 and the second check valve 500 to be discharged, and the discharge efficiency of the second water tank 200 is further improved.

Optionally, a three-way connection tube 600 is disposed between the first check valve 400 and the second check valve 500, and a first port 601 of the three-way connection tube is communicated with the water outlet of the first check valve 400, a second port 602 of the three-way connection tube is communicated with the water inlet of the second check valve 500, and a third port 603 of the three-way connection tube is communicated with the second water outlet 201. In this way, the first check valve 400, the second check valve 500 and the second drain port 201 are communicated through the three-way connecting pipe 600, the first check valve 400 is communicated with the first drain port 101 through the drain pump 300, so the first drain port 101 is communicated with the second drain port 201, and the first check valve 400 and the second check valve 500 can simultaneously control the closing or opening of the first drain port 101 and the second drain port 201, so that the time and labor are saved, and the workload of operators is reduced.

In some optional embodiments, as shown in fig. 9, the device for washing dishes further comprises: an overflow pipe 700. The overflow tube 700 has its drain end in communication with the drain end of the second one-way valve 500. Like this, under the condition of the excessive water yield, unnecessary water can flow into the overflow pipe 700 and discharge, because the drainage end of overflow pipe 700 and the drainage end intercommunication of second check valve 500, consequently the second check valve 500 can not close the drainage end of overflow pipe 700, the water that flows into in the overflow pipe 700 can be discharged by oneself or discharge jointly with the water that discharges in first water tank 100 and the second water tank 200, can in time discharge when the water yield in the water tank is excessive, time saving and labor saving, operating personnel's work load has been reduced.

Optionally, the lower end of the overflow tube 700 is provided with a third drain 701. In this way, since the drain end of the overflow pipe 700 is communicated with the drain end of the second check valve 500, the water discharged from the second check valve 500 flows into the drain end of the overflow pipe 700 and is then discharged together, and the water overflowing from the second tank 200 into the overflow pipe 700 and the water flowing from the second check valve 500 into the drain end of the overflow pipe 700 can be discharged together through the third drain port 701, thereby saving time and labor and reducing the workload of operators.

Optionally, an overflow pipe 700 is provided in the second tank 200, and the first tank 100 is communicated with the second tank 200 through an overflow passage 102. Like this, make in the unnecessary hot water of first water tank 100 in the in-process of using flow into second water tank 200 through overflow passageway 102, then through flowing into unnecessary hot water in second water tank 200 and heating the intaking of first water tank 100 to carry out waste heat recovery to the hydrothermal heat that flows into in second water tank 200 and recycle, and can in time discharge unnecessary water through overflow pipe 700 when the water yield in second water tank 200 is too much, labour saving and time saving, energy-concerving and environment-protective.

Alternatively, the first tank 100 and the second tank 200 are arranged side by side, and the overflow passage 102 is disposed at the upper ends of two adjacent inner walls of the first tank 100 and the second tank 200. Thus, the amount of water stored in the first water tank 100 is maintained in a state suitable for operation.

Optionally, the lower end of the overflow channel 102 is higher than the upper end of the overflow tube 700 in the vertical direction. Thus, the excessive hot water in the first tank 100 can smoothly flow into the second tank 200, and when the liquid level in the second tank 200 is higher than the top of the overflow pipe 700, the excessive water in the second tank 200 can be discharged through the overflow pipe 700, so that the excessive hot water in the first tank 100 can continuously flow into the second tank 200, thereby facilitating the waste heat recovery in the second tank 200.

Optionally, a fixed guide ring 702 is arranged in the second water tank 200, and the overflow pipe 700 passes through the guide ring 702 and is vertically arranged in the second water tank 200. Thus, the overflow pipe 700 passes through the guide ring 702 and is disposed in the second tank 200, so that the stability of the overflow pipe 700 is enhanced, the interference of water flow is reduced, and the vertical arrangement of the overflow pipe 700 enables the port at the top end of the overflow pipe 700 to be horizontal, enables the port to be parallel to the liquid level of the second tank 200, and facilitates the overflow and discharge of water in the second tank 200.

Alternatively, the guide ring 702 is connected to the inner wall of the second water tank 200 by a bracket. Like this, support the guide ring 702 through the support, improved the steadiness of guide ring 702, and then improved the stability of operating personnel when plug overflow pipe 700.

Alternatively, the volume of the first water tank 100 is greater than the volume of the second water tank 200. Thus, when the drainage pump 300 is opened to drain, since the first check valve 400 is opened under the action of the water pressure provided by the water drained from the first water tank 100, when the water in the first water tank 100 is drained before the water in the second water tank 200 is drained, the first check valve 400 is not automatically closed by the water pressure of the water drained from the first drainage port 101, and the second check valve 500 is driven to be closed accordingly, so that the residual water in the second water tank 200 cannot be drained, therefore, the water storage amount of the first water tank 100 is greater than that of the second water tank 200, the water in the first water tank 100 is drained in the second water tank 200, and the water in the first water tank 100 and the water in the second water tank 200 can be drained completely, thereby saving time and labor and reducing the workload of operators.

Optionally, the second water tank 200 further includes: a water inlet pipe 800. The water inlet pipe 800 is partially disposed in the second water tank 200, and has one end connected to an external water source and the other end connected to the first water tank 100, for filling water required for washing dishes into the first water tank 100. Like this, be used for washing tableware in injecting first water tank 100 with external water source through inlet tube 800, because inlet tube 800 part is located second water tank 200, the heat in the hot water in the second water tank 200 can be absorbed to the in-process that external water source passes through inlet tube 800 inflow first water tank 100, thereby utilize the hot water in the second water tank 200 to heat the intaking in the inlet tube 800, make full use of the hydrothermal heat that overflows in first water tank 100, waste heat recovery's purpose of recycling has been reached, energy saving and environment protection.

Optionally, the water inlet pipe 800 is partially disposed in the second water tank 200 in a surrounding manner. Like this, the inlet tube 800 of the form of encircleing is great with the hydrothermal area of contact in the second water tank 200, and the time that the inflow in the inlet tube 800 flows in the second water tank 200 is longer, can be better with carry out the heat exchange between the hot water in the second water tank 200, the hot water in the make full use of second water tank 200 is to the water heating in the inlet tube 800, has improved the utilization efficiency of waste heat, energy-concerving and environment-protective.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. An apparatus for cleaning dishes, comprising:

a first tank including a first drain port;

a second water tank including a second water discharge port;

the water inlet end of the drainage pump is communicated with the first drainage port;

the first one-way valve is communicated with the water outlet end of the drainage pump;

and the second one-way valve is arranged in linkage with the first one-way valve, the second one-way valve is opened when the first one-way valve is opened, and the second water outlet is communicated with the second one-way valve.

2. The device of claim 1, wherein the first one-way valve and the second one-way valve each comprise:

one end of the cavity is provided with a water inlet;

the plug is arranged in the cavity, seals the water inlet under the condition of being located at the first position, and opens the water inlet under the condition of being located at the second position;

the resetting piece is connected with the plug and used for pushing the plug to the first position.

3. The device as claimed in claim 2, wherein the plug of the first one-way valve is connected with the plug of the second one-way valve through a linkage rod.

4. The apparatus of claim 2, wherein the periphery of the water inlet is provided with a sealing ring.

5. The device of any one of claims 1 to 4, wherein the first one-way valve is in communication with the second one-way valve.

6. The device of claim 5, wherein the second drain port communicates with an intermediate location of the first one-way valve and the second one-way valve.

7. The apparatus of claim 6, wherein the second tank further comprises:

the drain pipe, drain pipe one end with the second water tank intercommunication, the other end forms the second outlet, the drain pipe orientation first check valve slope sets up, and with first check valve between have the angle of predetermineeing, it is the acute angle to predetermine the angle.

8. The device as claimed in any one of claims 1 to 4, wherein a three-way connecting pipe is arranged between the first one-way valve and the second one-way valve, a first port of the three-way connecting pipe is communicated with the water outlet end of the first one-way valve, a second port of the three-way connecting pipe is communicated with the water inlet end of the second one-way valve, and a third port of the three-way connecting pipe is communicated with the second water outlet.

9. The apparatus of any one of claims 1 to 4, further comprising:

and the drainage end of the overflow pipe is communicated with the drainage end of the second one-way valve.

10. The apparatus of claim 9, wherein the overflow tube is disposed within the second tank, and the first tank is in communication with the second tank through an overflow channel.

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