CN213910104U - Device for washing tableware - Google Patents

Abstract

The application relates to household electrical appliances technical field, discloses a device for dish washing includes: the first water tank, the second water tank and the sealing plug. The first water tank comprises a first water discharging opening; the second water tank comprises a second water outlet communicated with the first water outlet; the sealing plug is movably arranged in the first water outlet and is sealed at the position for sealing the first water outlet, and the side wall of the sealing plug seals the second water outlet. In this application, can carry out the shutoff through a sealed stifled while to first drain port and second drain port, when needs drain first drain tank and second drain tank, upwards pull up sealed stifled, make sealed stifled break away from first drain port, and sealed stifled lateral wall breaks away from the second drain port, and then make first drain port and second drain port drain simultaneously, through simple operation, discharge the water in first water tank and the second water tank, time saving and labor saving, reduce 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 washing tableware, which discharges water in a first water tank and a second water tank through simple operation, saves time and labor, and reduces the workload of operators.

In some embodiments, an apparatus for dish washing comprises: the first water tank, the second water tank and the sealing plug. The first water tank comprises a first water discharging opening; the second water tank comprises a second water outlet communicated with the first water outlet; the sealing plug is movably arranged in the first water outlet and is sealed at the position for sealing the first water outlet, and the side wall of the sealing plug seals the second water outlet.

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

carry out the shutoff through a sealed stifled while to first drain port and second drain port, when needs drain first drain tank and second drain tank, upwards pull up sealed stifled, make sealed stifled break away from first drain port, and sealed stifled lateral wall breaks away from the second drain port, and then make first drain port and second drain port drain simultaneously, through simple operation, discharge the water in first water tank and the second water tank, time saving and labor saving, reduce 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 the device for washing tableware provided by the embodiment of the present disclosure in a state that the seal plug is pulled out;

fig. 3 is a schematic structural diagram of a sealing plug provided in an embodiment of the present disclosure in an inserted state;

fig. 4 is a schematic structural diagram of a sealing plug provided in an embodiment of the present disclosure;

figure 5 is a schematic structural view of a mouth of a second drain opening provided by embodiments of the present disclosure;

fig. 6 is a schematic view of a mounting structure of an overflow tube provided by an embodiment of the present disclosure;

fig. 7 is a schematic structural view of a seal plug sleeve provided in the embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a water inlet pipe provided in 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 water discharge pipeline; 203. a mouth; 300. sealing and blocking; 301. a first seal portion; 302. a second seal portion; 400. a main drain pipe; 500. an overflow pipe; 501. a guide ring; 600. 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. 1-2, an apparatus for dish washing, comprises: a first water tank 100, a second water tank 200 and a sealing plug 300. The first tank 100 includes a first drain port 101; the second tank 200 includes a second drain port 201 communicating with the first drain port 101; the sealing plug 300 is movably arranged in the first water outlet 101, and the side wall of the sealing plug 300 closes the second water outlet 201 at the position for closing the first water outlet 101.

By adopting the device for washing tableware provided by the embodiment of the disclosure, the first drainage port 101 and the second drainage port 201 can be simultaneously plugged by one sealing plug 300, when the first drainage tank and the second drainage tank need to be drained, the sealing plug 300 is pulled upwards, the sealing plug 300 is separated from the first drainage port 101, the side wall of the sealing plug 300 is separated from the second drainage port 201, the first drainage port 101 and the second drainage port 201 are drained simultaneously, and water in the first water tank 100 and the second water tank 200 is discharged through simple operation, so that the device is time-saving and labor-saving, 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 second tank 200 is a main wash tank. Thus, the second tank 200 is provided as a main wash tank for storing main wash water.

Optionally, the first water tank 100 is a heat exchange water tank. Like this, set up first water tank 100 into heat exchange water tank, at the in-process that second water tank 200 washd the tableware, unnecessary hot water can flow into heat exchange water tank in the second water tank 200, utilizes the hot water that flows into in the heat exchange water tank to heat the intaking of second water tank 200 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.

Alternatively, the first drain port 101 is provided 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 water tank 200 further includes: a drain pipe 202. One end of the drainage pipe 202 is connected to the inside of the second tank 200, and the other end is a second drainage port 201, and the second drainage port 201 is disposed toward one side of the first tank 100. Thus, the water in the second tank 200 can be discharged through the drain pipe 202 and the second drain port 201 disposed at one end of the drain pipe 202, and the second drain port 201 is disposed toward one side of the first tank 100, so that the water can be discharged to the first drain port 101 of the first tank 100 through the drain pipe 202 and the second drain port 201, and then discharged together with the water in the first tank 100, and the water in the first tank 100 and the second tank 200 can be discharged through a simple operation, thereby saving time and labor and reducing the workload of an operator.

Alternatively, one end of the drain pipe 202 is disposed at the lower end of the second water tank 200 to communicate with the inside 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.

Alternatively, the position of the second drain port 201 in the vertical direction is lower than the position where the drain pipe 202 communicates with the second tank 200. Thus, the water discharged through the water discharge pipe 202 can be smoothly discharged to the first water discharge port 101 through the second water discharge port 201, and the water in the first water discharge port 101 is prevented from flowing back into the second water tank 200.

Alternatively, the first drain port 101 communicates with the second tank 200. Thus, the water in the second tank 200 can be discharged to the first drain port 101 through the drain pipe 202 and the second drain port 201, and then discharged together with the water in the first tank 100, and the water in the first tank 100 and the second tank 200 can be discharged together by a simple operation, thereby saving time and labor and reducing the workload of an operator.

As shown in connection with fig. 3-5, in some alternative embodiments, the seal plug 300 includes: a first sealing portion 301 and a second sealing portion 302. The first sealing portion 301 is insertable and blocks the first drain port 101; the second sealing portion 302 is provided above or below the first sealing portion 301, and can close the second drain opening 201. In this way, when the first drain port 101 and the second drain port 201 are sealed by the seal plug 300, the first seal portion 301 can seal the first drain port 101, and the second seal portion 302 provided on the upper side or the lower side of the first seal portion 301 can seal the second drain port 201 while the first seal portion 301 seals the first drain port 101, so that the first drain port 101 and the second drain port 201 can be sealed or opened at the same time by inserting or pulling out the seal plug 300, and water in the first tank 100 and the second tank 200 can be discharged together by a simple operation, thereby saving time and labor and reducing the workload of an operator.

Alternatively, one side of the inner wall of first drain opening 101 is located on the same vertical plane as second drain opening 201. In this way, because the first drain opening 101 and the second drain opening 201 are both sealed by the over-sealing plug 300, and the second drain opening 201 faces the first drain opening 101 of the first water tank 100 and is communicated with the first drain opening 101, when the first drain opening 101 is plugged by the sealing plug 300 in the first drain opening 101 under the condition that one side of the inner wall of the first drain opening 101 and the second drain opening 201 are located on the same vertical surface, the side wall of the sealing plug 300 can better plug the second drain opening 201, the sealing effect of the second drain opening 201 is improved, and further the sealing effect of the sealing plug 300 is improved.

Alternatively, the fact that one side of the inner wall of first drain opening 101 and second drain opening 201 are located on the same vertical plane means that: the side of the first drain port 101 close to the inner wall of the mouth portion 203 of the second drain port 201 is on the same vertical plane as the center of the mouth portion 203 of the second drain port 201. Thus, when the sealing plug 300 is inserted into the first water discharge port 101 to plug the first water discharge port 101, the side wall of the sealing plug 300 can better plug the second water discharge port 201, the plugging effect of the second water discharge port 201 is improved, and the sealing effect of the sealing plug 300 is further improved.

Alternatively, the diameter of the sealing plug 300 is gradually reduced in a direction of inserting the first drain port 101. Like this, make sealed stifled 300 be even round platform column structure setting, in the lower extreme of sealed stifled 300 can be smooth and easy inserts first drain 101, make the sealed stifled 300 of inserting in first drain 101 more firm, be difficult for droing under the effect of rivers, improved the shutoff effect of first drain 101, and then improve the sealed effect of sealed stifled 300.

Optionally, the mouth 203 of the second drain opening 201 is inclined upward, and the inclination angle is matched with the side surface of the sealing plug 300. In this way, since the second drain port 201 is communicated with the first drain port 101 of the first tank 100, when the mouth 203 of the second drain port 201 is inclined upward so that the sealing plug 300 can be inserted into the first drain port 101 to close the same, the side wall of the sealing plug 300 can be brought into sufficient contact with the mouth 203 of the second drain port 201, and the second drain port 201 can be closed better, and can be fitted better with the side wall of the frustum-shaped sealing plug 300, so that the closing effect of the second drain port 201 is improved, and the sealing effect of the sealing plug 300 is further improved.

Optionally, mouth 203 of second drain opening 201 extends into first drain opening 101. Thus, when the sealing plug 300 is inserted into the first water discharge port 101 to seal the first water discharge port 101, the side wall of the sealing plug 300 can better contact with the mouth part 203 of the second water discharge port 201 to seal the second water discharge port 201, so that the sealing effect of the second water discharge port 201 is improved, and the sealing effect of the sealing plug 300 is further improved.

Alternatively, the first drain opening 101 is circular in shape, and the mouth 203 of the second drain opening 201 extends into the first drain opening 101 by a length of one fifth of the inner diameter of the first drain opening 101. Thus, the side wall of the sealing plug 300 can be better contacted with the mouth part 203 of the second water outlet 201 to plug the second water outlet, and meanwhile, the influence of the mouth part 203 of the second water outlet 201 extending into the first water outlet 101 on the flow area in the first water outlet 101 is reduced, so that the plugging effect of the second water outlet 201 is ensured, and the influence on the water discharging efficiency of the first water outlet 101 is reduced.

Alternatively, the mouth portion 203 of the second drain opening 201 is inclined upward at the same angle as the sidewall of the sealing plug 300. Thus, the side wall of the sealing plug 300 can be brought into contact with the mouth 203 of the second drain port 201 to close the second drain port 201 while the sealing plug 300 inserted into the first drain port 101 closes the same, and the closing effect of the second drain port 201 is further improved.

As shown in connection with fig. 6-7, in some alternative embodiments, the apparatus for dish washing further comprises: a main drain 400. The main drain pipe 400 is located at a lower side of the first water tank 100 and communicates with the first drain port 101. In this way, when the first drain port 101 and the second drain port 201 are opened, the water in the first water tank 100 and the second water tank 200 can be discharged into the main drain pipe 400 through the first drain port 101 and the second drain port 201 communicated therewith, and then discharged through the main drain pipe 400 together, so that the first water tank 100 and the second water tank 200 can be simultaneously drained by a simple operation, time and labor are saved, and the workload of an operator is reduced.

Optionally, the device for dish washing further comprises: an overflow tube 500. The overflow pipe 500 passes through the first drain port 101 and communicates with the main drain pipe 400. Thus, when the water amount in the water tank is excessive, the excessive water can be discharged through the overflow pipe 500, the overflow pipe 500 is communicated with the main water discharge pipe 400, the water discharged through the overflow pipe 500 can enter the main water discharge pipe 400 and then be discharged through the main water discharge pipe 400, and when the first water discharge port 101 and the second water discharge port 201 are plugged, the water in the overflow pipe 500 can also be discharged through the main water discharge pipe 400, so that the normal operation of the device is prevented from being influenced by the excessive water amount in the water tank.

Optionally, the first tank 100 communicates with the second tank 200 through an overflow passage 102. Thus, since the first water tank 100 is a heat exchange water tank and the second water tank 200 is a main washing water tank, the redundant hot water in the process of washing the dishes in the second water tank 200 flows into the first water tank 100 through the overflow passage 102, and then the inlet water of the second water tank 200 is heated by the hot water flowing into the first water tank 100, so that the heat in the hot water flowing into the first water tank 100 is recycled by waste heat, and the energy-saving and environment-friendly effects are achieved.

Alternatively, the first tank 100 and the second tank 200 are arranged in parallel, and the overflow passage 102 is provided 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 second water tank 200 is maintained in a state suitable for operation.

Optionally, an overflow pipe 500 is provided in the first tank 100. In this way, when the amount of water in the first tank 100 is excessive, the excessive water can be discharged through the overflow pipe 500, and the first tank 100 and the second tank 200 communicate with each other through the overflow passage 102, and when the amount of hot washing water in the second tank 200 is excessive, the hot washing water can be introduced into the first tank 100 through the overflow passage 102, and the amount of water in the first tank 100 and the second tank 200 can be always maintained within a range suitable for operation through the overflow pipe 500.

Optionally, the lower end of the overflow channel 102 is higher than the upper end of the overflow 500 in the vertical direction. Thus, the redundant hot water in the second water tank 200 can smoothly flow into the first water tank 100, and when the liquid level in the first water tank 100 is higher than the top end of the overflow pipe 500, the redundant water in the first water tank 100 can be discharged through the overflow pipe 500, so that the redundant hot water in the second water tank 200 can continuously flow into the first water tank 100, thereby facilitating the waste heat recovery in the first water tank 100.

Optionally, a fixed guide ring 501 is arranged in the first water tank 100, and the overflow pipe 500 is arranged in the first water tank 100 through the guide ring 501. Thus, the overflow pipe 500 is disposed in the first tank 100 through the guide ring 501, which enhances the stability of the overflow pipe 500 and reduces the interference of water flow.

Alternatively, the guide ring 501 is connected to the inner wall of the second water tank 200 by a bracket. Like this, support guide ring 501 through the support, improved guide ring 501's steadiness, and then improved the stability of operating personnel when plug overflow pipe 500.

Optionally, a sealing plug 300 is provided at the lower end of the overflow tube 500. Like this, with sealed stifled 300 setting in the lower extreme of overflow pipe 500, operating personnel can operate the plug's of sealed stifled 300 plug through operating overflow pipe 500 to the shutoff of control first drain 101 and second drain 201 or open, through simple operation, can make first water tank 100 and second water tank 200 carry out the drainage simultaneously, labour saving and time saving has reduced operating personnel's work load.

Optionally, the sealing plug 300 is sleeved on the lower end of the overflow pipe 500. Thus, since the overflow pipe 500 itself has an overflow function, when the liquid level in the first tank 100 is higher than the top end of the overflow pipe 500, the excess water will overflow through the overflow pipe 500, and therefore, the sealing plug 300 is sleeved on the lower end of the overflow pipe 500, so that the sealing plug 300 can better plug the first drain opening 101 and the second drain opening 201, and the overflow function of the overflow pipe 500 itself is not affected.

Optionally, the sealing plug 300 is sleeved on the lower end of the overflow pipe 500 in a hollow round table shape. Like this, the overflow pipe 500 that is hollow round platform form is convenient for the cover to be established at overflow pipe 500 lower extreme, and the lower extreme of round platform form seal plug 300 can be smooth and easy insert in first drain 101, makes the seal plug 300 that inserts in first drain 101 more firm, is difficult for droing under the effect of rivers, has improved the shutoff effect of first drain 101, and then improves the sealed effect of seal plug 300.

Optionally, the sealing plug 300 is made of a silicone material. Like this, the silica gel material is easily obtained, and life is longer, and elasticity is stronger, and under the condition that sealed stifled 300 inserts first drain opening 101, sealed stifled 300 can be out of shape fully, with the better shutoff of first drain opening 101, and the lateral wall of sealed stifled 300 can take place deformation abundant with the contact of second drain opening 201 with its shutoff, has improved sealed stifled 300's shutoff effect, and then improves the sealed effect of first drain opening 101 and second drain opening 201.

Alternatively, the first sealing portion 301 and the second sealing portion 302 are both hollow circular truncated cone-shaped structures, and the second sealing portion 302 is disposed at the lower side of the first sealing portion 301. Thus, when the seal plug 300 is inserted into the first drain port 101, the first seal portion 301 can be firmly inserted into the first drain port 101 to close the same, and the side wall of the second seal portion 302 positioned below the first seal portion 301 can be sufficiently brought into contact with the mouth portion 203 of the second drain port 201 inclined upward to close the same, thereby improving the sealing effect between the first drain port 101 and the second drain port 201.

Alternatively, the guide ring 501 is vertically disposed, and the first drain port 101 is located at a lower side of the guide ring 501. Like this, the messenger also is vertical state through the overflow pipe 500 of guide ring 501, and the operating personnel of being convenient for operates, and the sealed stifled 300 of overflow pipe 500 lower extreme is located to the cover can be accurate insert first drain opening 101 in, has improved the precision of sealed stifled 300 when the first drain opening 101 of shutoff.

Alternatively, the first drain opening 101 is circular in shape, and the center of the first drain opening 101 is on the same vertical line as the center of the guide ring 501. Therefore, the sealing plug 300 sleeved at the lower end of the overflow pipe 500 can be inserted into the first drainage port 101 more accurately, and the accuracy of the sealing plug 300 in plugging the first drainage port 101 is improved.

As shown in connection with fig. 8, in some optional embodiments, the first water tank 100 further includes: a water inlet pipe 600. The water inlet pipe 600 is partially disposed in the first water tank 100, and has one end communicating with an external water source and the other end communicating with the second water tank 200, for filling water required for washing dishes into the second water tank 200. Like this, pour into the second water tank 200 through inlet tube 600 external water source and be used for wasing the tableware, because inlet tube 600 part is located first water tank 100, the heat in the hot-water in the first water tank 100 can be absorbed to the in-process that external water source flowed into second water tank 200 through inlet tube 600 to utilize the hot water in the first water tank 100 to heat intaking in inlet tube 600, reached waste heat recovery and recycled's purpose, energy-concerving and environment-protective.

Optionally, the water inlet pipe 600 is partially disposed in the first water tank 100 in a surrounding manner. Like this, the inlet tube 600 of the form of encircleing is great with the hydrothermal area of contact in the first water tank 100, and the time of intaking in the inlet tube 600 flowing in the first water tank 100 is longer, can be better with carry out the heat exchange between the hot water in the first water tank 100, the hot water in the make full use of first water tank 100 is to the water heating in the inlet tube 600, has improved the utilization efficiency of waste heat, energy-concerving and environment-protective.

Optionally, the first water tank 100, the second water tank 200, the first drain opening 101, the second drain opening 201, the drain pipe 202 and the main drain pipe 400 in the device are all made of stainless steel materials. Therefore, the stainless steel material has the advantages of strong corrosion resistance, easy obtainment and low cost, and prolongs the service life of the device.

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 tank including a second drain port communicating with the first drain port;

and the sealing plug is movably arranged in the first water drainage port, is arranged at the position for sealing the first water drainage port, and is closed by the side wall of the sealing plug.

2. The apparatus of claim 1, wherein the second tank further comprises:

and one end of the drainage pipeline is communicated with the inside of the second water tank, the other end of the drainage pipeline is the second water outlet, and the second water outlet faces one side of the first water tank.

3. The apparatus of claim 1, wherein the first drain port is in communication with the second tank.

4. The device of claim 1, wherein the sealing plug comprises:

a first sealing part which can be inserted into and block the first drainage port;

and a second sealing part which is arranged at the upper side or the lower side of the first sealing part and can seal the second water outlet.

5. The device according to any one of claims 1 to 4, wherein one side of the inner wall of the first drain opening is located on the same vertical plane as the second drain opening.

6. The device according to any one of claims 1 to 4, wherein the diameter of the sealing plug gradually decreases in a direction of insertion into the first drain opening.

7. The device as claimed in claim 6, wherein the mouth of the second water outlet is inclined upward at an angle corresponding to the side of the sealing plug.

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

and the main drainage pipe is positioned on the lower side of the first water tank and communicated with the first drainage port.

9. The apparatus of claim 8, further comprising:

and the overflow pipe penetrates through the first drainage port and is communicated with the main drainage pipe.

10. The device of claim 9, wherein the sealing plug is disposed at a lower end of the overflow tube.

Images