CN211883691U

CN211883691U - Continuous filtering device for dish-washing machine

Info

Publication number: CN211883691U
Application number: CN201821091687.4U
Authority: CN
Inventors: 陈浩航
Original assignee: Guangzhou Jiangshuiqing Intelligent Technology Co Ltd
Current assignee: Guangzhou Jiangshuiqing Intelligent Technology Co Ltd
Priority date: 2017-11-17
Filing date: 2018-07-10
Publication date: 2020-11-10
Anticipated expiration: 2028-07-10
Also published as: CN108720783A; WO2019095744A1

Abstract

The utility model discloses a continuous filtering device for a dish washing machine, which comprises a water inlet tank, wherein a water inlet pipe is connected with a water inlet pipe, and a filtering unit is arranged in the water inlet tank; the water outlet pool is connected with the outlet of the water inlet pool and is connected with a water outlet pipe; and the water pump is arranged at the water inlet pipe of the water inlet pool or the water outlet pipe of the water outlet pool. The utility model discloses a filter unit will receive the washing liquid that comes from dish washer and contain the residue and filter, so, solve the surplus residue of meal on the tableware that the water logging formula dish washer cleaning process brought out and can not arrange to lead to the part to float the residue adhesion on the tableware and bring secondary pollution's problem for the tableware when discharging to the greatest extent, the device can improve the clean effect of tableware to and reduce dish washer's use cost. The utility model relates to a dish washer field.

Description

Continuous filtering device for dish-washing machine

Technical Field

The utility model relates to a dish washer field, in particular to continuous filter equipment.

Background

At present, household dish washing machines all use a water spray cleaning mode, however, on one hand, the common Chinese tableware is difficult to clean due to the problem of the water spray angle of the water spray type dish washing machines, on the other hand, the cleaning effect is always bad and satisfactory due to the fact that the contact time of cleaning liquid and the tableware is short after the cleaning liquid is sprayed, meanwhile, the special dish washing powder used by the household dish washing machines is very expensive, and the use cost is high. In view of this, the water spray type dishwasher has not been popularized in the domestic countries.

Another type of water immersion dishwasher has not been put to use at home for a variety of reasons, one of which is: when the dish washer uses water liquid to wash immersion type tableware, because a large amount of food residue is attached to the surface of the tableware, the food residue enters the water to be washed along with the tableware and floats in the water. In order to save the process of pre-cleaning the tableware before being put into the dish-washing machine and reduce the using amount of the detergent, a continuous filtering device is arranged in a washing container of the dish-washing machine, so that floating food residues can be directly discharged out of the washing container from a water inlet of the filtering device, thereby reducing the using amount of the detergent and preventing the water body from secondarily polluting the tableware.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a continuous filter equipment for dish washer solves the surplus residue of meal on the tableware that the water logging formula dish washer cleaning process was taken out and can not arrange to the greatest extent and lead to the part to float the residue adhesion on the tableware and bring secondary pollution's problem for the tableware when discharging, and the device can improve the clean effect of tableware to and reduce dish washer's use cost.

The technical scheme adopted for solving the technical problems is as follows: a continuous filtering device for a dish washing machine comprises a water inlet pool, wherein a water inlet pipe is connected with a water inlet of the water inlet pool, and a filtering unit is arranged in the water inlet pool; the water outlet pool is connected with the outlet of the water inlet pool and is connected with a water outlet pipe; and the water pump is arranged at the water inlet pipe of the water inlet pool or the water outlet pipe of the water outlet pool. By adopting the technical scheme of the structure, the washing liquid containing floating residues flows into the device through the water inlet pipe, and then is conveyed into the cylinder body of the dish washer after being subjected to deslagging by the filtering unit.

As a further improvement of the technical scheme, the water inlet pipe comprises a first water discharge pipe, a second water discharge pipe and a third water discharge pipe, the first water discharge pipe is communicated with the bottom of the inner cavity of the cylinder body, the second water discharge pipe is communicated with the middle upper part of the inner cavity of the cylinder body, the third water discharge pipe is communicated with the upper part of the inner cavity of the cylinder body, and the other end of the water outlet pipe is communicated with the middle part of the inner cavity of the cylinder body. Two drainage pipes are arranged to form two residue suction ports of a dishwasher cylinder body, the residue suction port positioned at the bottom of the inner cavity of the cylinder body sucks washing liquid containing precipitated residues, and the residue suction port positioned above the middle of the inner cavity of the cylinder body sucks the washing liquid containing floating residues, so that the residues of the washing liquid can be filtered comprehensively.

As a further improvement of the above technical solution, the water inlet tank is located below the cylinder body, the water pump is disposed at a water outlet pipe of the water outlet tank, the water pump is a submersible pump, the water pump is disposed in the water outlet tank, the highest position of the second water discharge pipe is lower than the water level of the washing liquid in the cylinder body, one end of the second water discharge pipe penetrates through the side wall of the cylinder body to communicate with the inside of the cylinder body, the other end of the second water discharge pipe is connected with a water level control valve, the other end of the first water discharge pipe is also connected to a water inlet of the water level control valve, and a water outlet of the water level control valve is connected with a water inlet of the. Adopt the technical scheme of this structure, utilize the gravity of washing liquid, can be through first drain pipe and the free inflow water tank of second drain pipe to be provided with the water level control valve at the inflow water tank, nevertheless when the water in the inflow water tank reaches and sets for the upper limit value, close this water level control valve, prevent that the water of inflow water tank from spilling over and prevent that the inside water of cylinder body is too little.

As another kind of improvement of above-mentioned technical scheme, the intake basin is located the below of cylinder body, the water pump is arranged go out the outlet pipe department of pond, the water pump is the immersible pump, the water pump is arranged go out in the pond, the highest position of second drain pipe is higher than the water level of washing liquid in the cylinder body, the second drain pipe upwards walks around communicate the well top of its inner chamber behind the cylinder body lateral wall, the other end of second drain pipe is connected with a water level controller, the other end of first drain pipe also is connected to the water inlet of this water level controller, the water pump has connect the water pump water inlet of this water level controller of siphon auxiliary pipe connection, the delivery port of this water level controller is connected the water inlet of intake basin. According to the technical scheme, the second water discharge pipe is equivalent to a siphon pipe, the water level controller is arranged on the water inlet pool, a small amount of water is pumped by the water pump and conveyed to the second water discharge pipe, and the siphon condition is achieved.

As another improvement of the technical scheme, the water inlet pool is positioned above the cylinder body, and the water pump is arranged at a water inlet pipe of the water inlet pool.

As another improvement of the above technical scheme, the water purifier further comprises a closed container, the water inlet tank and the water outlet tank are arranged in the closed container, the water inlet tank is located on the upper portion of the closed container, the water outlet tank is located on the lower portion of the closed container, the water inlet tank comprises a water storage chamber communicated with the water inlet pipe and a filter material chamber communicated with the water storage chamber, the filter unit is arranged in the filter material chamber, and the water pump is arranged at the position of the water inlet pipe of the water inlet tank.

As a further improvement of the above technical solution, the filtering unit includes a coarse filtering screen and a fine filtering screen located therebelow. Through setting up two-layer filter screen, effectively get rid of the residue on the tableware. Furthermore, the water pump is provided with a water level control ball valve for controlling the opening and closing state of the water pump.

As a further improvement of the above technical solution, the water purifier further comprises a filtering tank, the top of the filtering tank is open, the upper end of the filtering tank is open, the water inlet tank and the water outlet tank are arranged in the filtering tank, a water level control channel is arranged between the water inlet tank and the water outlet tank, the water inlet tank is communicated with the water level control channel through a water outlet at the lower part of the water inlet tank, the water outlet tank is communicated with the water level control channel through a water inlet at the upper part of the water outlet tank, and the water level of the water inlet tank is not lower than the water level of the water outlet tank. Through this kind of arrangement structure, make continuous filter equipment more compact, pleasing to the eye on the whole.

As a further improvement of the technical scheme, the filtering unit comprises at least one filtering bag assembly, each filtering bag assembly comprises a net basket and a filtering bag arranged in the net basket, the outer surface of each filtering bag is tightly attached to the inner wall of the net basket, fixing holes capable of being embedded into the net basket are formed in the bottom wall of the water storage chamber, the top of the net basket is fixedly connected with the bottom wall of the water storage chamber, and the filtering material chamber is communicated with the water outlet pool.

As the further improvement of the technical scheme, the filtering unit comprises at least one filter element assembly, the water inlet of the filter element assembly is communicated with the water storage chamber, the water outlet of the filter element assembly is communicated with the water outlet pool, every the filter element assembly comprises a hollow sleeve and a filter element filled in the hollow sleeve, and the filter element is one of a ceramic filter element, a glass fiber filter element active carbon filter element, a textile fiber winding filter element and a polypropylene melt-blown filter element.

As a further improvement of the technical scheme, at least one backflow port is arranged at one end of the water outlet pipe, which is communicated with the cylinder body. By adopting the structure, the fluidity of the washing liquid can be enhanced, and the cleaning effect is further improved.

The utility model has the advantages that: the utility model discloses a filter unit will receive the washing liquid that comes from dish washer and contain the residue and filter, so, solve the surplus residue of meal on the tableware that the water logging formula dish washer cleaning process brought out and can not arrange to lead to the part to float the residue adhesion on the tableware and bring secondary pollution's problem for the tableware when discharging to the greatest extent, the device can improve the clean effect of tableware to and reduce dish washer's use cost.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a third embodiment of the present invention;

fig. 4 is a schematic structural view of a fourth embodiment of the present invention;

fig. 5 is a schematic structural diagram of a fifth embodiment of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions.

Fig. 1 shows a structure of a first embodiment of the present invention, a continuous filtering device for a dish washer, comprising a water inlet tank 2, a water inlet pipe is connected to a water inlet, and a filtering unit is arranged in the water inlet tank 2; the water outlet pool 3 is connected with the outlet of the water inlet pool 2, and the water outlet pool 3 is connected with a water outlet pipe 7; a water pump 12, wherein the water pump 12 is arranged at the water inlet pipe of the water inlet pool 2 or at the water outlet pipe 7 of the water outlet pool 3. The water inlet pipe comprises a first water discharge pipe 5 and a second water discharge pipe 6, the first water discharge pipe 5 is communicated with the bottom of the inner cavity of the cylinder body 1, and the second water discharge pipe 6 is communicated with the middle upper part or the middle position of the inner cavity of the cylinder body 1; the other end of the water outlet pipe 7 is communicated with the middle part of the inner cavity of the cylinder body 1. Two water discharge pipes are arranged to form two residue suction ports of a dishwasher cylinder body, the residue suction port positioned at the bottom of the inner cavity of the cylinder body 1 sucks washing liquid containing precipitated residues, the residue suction port positioned above the middle part of the inner cavity of the cylinder body 1 sucks the washing liquid containing floating residues, then the washing liquid flows into the water inlet pool 2, then the washing liquid is subjected to residue removal through the filtering unit and finally conveyed back to the inner cavity of the cylinder body 1, and the dishwasher using the device forms a continuous filtering loop of the washing liquid. In this embodiment, it is preferable that the water inlet pipe further includes a third water outlet pipe 17, and the third water outlet pipe 17 is connected to the upper portion of the inner cavity of the tub 1, so that a third residue suction port of the tub of the dishwasher can be added, and the position of the third water outlet pipe 17 is equal to the water level of the washing liquid, i.e. it is ensured that the floating residue on the upper surface of the washing liquid can be discharged from the third water outlet pipe 17. The second water discharge pipe 6 is shown in fig. 1 to communicate with the upper middle of the inner cavity of the cylinder 1, and those skilled in the art can design it to communicate with the middle of the inner cavity of the cylinder 1.

Further, the water inlet tank 2 is arranged below the cylinder body 1, the water pump 12 is arranged at the water outlet pipe 7 of the water outlet tank 3, and the highest position of the second water outlet pipe 6 is lower than the water level of the washing liquid in the cylinder body 1, namely, one end of the second water outlet pipe 6 penetrates through the side wall of the cylinder body 1 to be communicated with the interior of the cylinder body, because the water inlet tank 2 is arranged below the cylinder body, the washing liquid containing residues can freely flow to the water inlet tank 2 through the first water outlet pipe 5 and the second water outlet pipe 6, and then the filtering is carried out through the filtering unit. At present, the filtering unit is arranged into two layers of filtering nets, including a coarse filtering separation net 10 and a fine filtering separation net 11 positioned below the coarse filtering separation net, wherein the filtering nets can be selected from filtering materials such as stainless steel nets, plastic nets, sandcloths and the like. Simultaneously, the other end of second drain pipe 6 is connected with a water level control valve 9, the other end of first drain pipe 5 also is connected to the water inlet of this water level control valve 9, the water inlet of intake pool 2 is connected to the delivery port of this water level control valve 9, first drain pipe 5 and second drain pipe 6 can realize control through the water level control valve 9 that sets up at intake pool 2 promptly, when water in the intake pool reaches the settlement upper limit value, touch the switch of water level control valve 9, close its circulation mouth, make first drain pipe 5 and second drain pipe 6 stop toward intake pool 2 drainage, prevent that the water of intake pool 2 from spilling over and prevent that the inside water of cylinder body 1 is too little.

Fig. 2 shows a structure of a second embodiment of the present invention, which is different from the first embodiment in that: the second drain pipe 6 is upwards bypassed above the side wall of the cylinder body 1 and then communicated with the middle upper part of the inner cavity of the cylinder body, the third drain pipe 17 is also bypassed above the side wall of the cylinder body 1 and then communicated with the inner cavity of the cylinder body, and the water can be known from figure 2, the second drain pipe 6 and the third drain pipe 17 can partially share a pipeline, and the technical personnel in the field can design as required, so that the highest positions of the second drain pipe 6 and the third drain pipe 17 are higher than the water level of the washing liquid in the cylinder body 4, and can not freely flow to the water inlet tank 2 by the gravity of the second drain pipe 6, at the moment, the other end of the second drain pipe 6 is connected with a water level controller 15, the other end of the first drain pipe 5 is also connected to the water inlet of the water level controller 15, the water pump 12 is connected with an auxiliary pipe 14. Firstly, the water pump 12 is started, a small amount of water is conveyed to the water level controller 15 through the siphon auxiliary pipe 14, at the moment, a valve for controlling siphon in the water level controller 15 is opened, the siphon auxiliary pipe 14 is communicated with the second water discharge pipe 6, and the gas in the second water discharge pipe 6 is discharged to achieve a siphon condition; then, after starting for about 5 seconds, the valve for controlling siphon is closed, the water inlet and the water outlet of the water level controller 15 are communicated, namely, the washing liquid of the second water discharge pipe 6 and the first water discharge pipe 5 flows into the water inlet pool 2 through the water level controller 15; meanwhile, the water inlet of the water pump of the water level controller 15 is closed, namely the water pump 12 does not feed water into the second water discharge pipe 6 through the water level controller 15 any more; subsequently, the water level controller 15 enters a normal state, and the deslagging process of the washing liquid is the same as that of the first embodiment. In the present embodiment, the principle of the third drain pipe 17 is the same as that of the second drain pipe, and the description thereof is omitted.

Fig. 3 shows a structure of a third embodiment of the present invention, which is different from the first embodiment in that: the water inlet tank 2 is located above the cylinder body 1, so that the highest position of the water inlet pipe of the water inlet tank 2 is higher than the water level of the washing liquid in the cylinder body 1, the washing liquid cannot freely flow to the water inlet tank 2 by virtue of the gravity of the washing liquid, at the moment, the water pump 12 is arranged at the water inlet pipe of the water inlet tank 2, the washing liquid containing residues can be conveyed to the water inlet tank 2 through the water pump 12 through the first water discharge pipe 5, the second water discharge pipe 6 and the third water discharge pipe 17, and the washing liquid filtered by the water outlet tank 3 can directly flow into the cylinder body 1 through the water inlet and.

In a further improvement of the first, second and third embodiments, the continuous filtering apparatus for a dishwasher further comprises a filtering tank, the top of the filtering tank is open, the water inlet tank 2 and the water outlet tank 3 are arranged in the filtering tank, a water level control channel 4 is further arranged between the water inlet tank 2 and the water outlet tank 3, the water level control channel 4 is also arranged in the filtering tank, the water inlet tank 2 is communicated with the water level control channel 4 through a water outlet at the lower part of the water inlet tank, the water outlet tank 3 is communicated with the water level control channel 4 through a water inlet at the upper part of the water outlet tank, and the water level of the water inlet tank 2 is not lower than the water level of the water outlet tank 3. Firstly, washing liquid flows into the water inlet tank 2, then is subjected to deslagging through the filtering unit, then flows to the water level control channel 4 from the outflow groove below, then overflows from the other side of the water level control channel 4 to flow to the water outlet tank 3, and the water inlet tank 2, the water outlet tank 3 and the water level control channel 4 are arranged in one filtering tank, so that the device is more compact and attractive in structure. Further, the water pump 12 is provided with a water level control ball valve 13 for controlling the on-off state of the water pump, when the water pump 12 is designed to be positioned above the water inlet tank 2, once the water level of the water inlet tank 2 reaches a set upper limit value, a ball body on the water level control ball valve 13 floats upwards, the water pump 12 is further closed, and the washing liquid in the water inlet tank is prevented from overflowing; when the water pump 12 is designed to be located in the water outlet pool 3, the water pump 12 is preferably a submersible pump, once the water level in the water outlet pool 3 reaches a set lower limit value, the ball on the water level control ball valve 13 sags, and then the water pump 12 is turned off, so that the water pump 12 is prevented from being damaged.

Fig. 4 shows the structure of the fourth embodiment of the present invention, which is different from the first three embodiments in that: the continuous filtering apparatus for a dishwasher further includes a closed container in which the inlet tank 2 and the outlet tank 3 are disposed, instead of being disposed in a filtering tank as in the first three embodiments. The water inlet tank 2 is located on the upper portion of the closed container, the water outlet tank 3 is located on the lower portion of the closed container, the water inlet tank 2 comprises a water storage chamber 21 communicated with the water inlet pipe and a filter material chamber 22 communicated with the water storage chamber 21, the filter unit is arranged in the filter material chamber 22, the water pump 12 is arranged at the position of the water inlet pipe of the water inlet tank 2 at the moment, and the filter material chamber 22 is communicated with the water outlet tank 3. The water pump 12 conveys the washing liquid containing the residue to an inlet of the closed container, and then the washing liquid flows to the water storage chamber 21, the filter material chamber 22 and the water outlet pool 3 in sequence, the washing liquid is filtered and deslagged by the filter unit of the filter material chamber 22 and finally flows into the inner cavity of the cylinder body 1 to form a fully-sealed pressure loop, and the water outlet of the filter material chamber 22 is communicated with the water outlet pool 3, wherein the filter unit comprises at least one filter bag assembly 23, each filter bag assembly 23 comprises a net basket and a filter bag arranged in the net basket, the outer surface of the filter bag is tightly attached to the inner wall of the net basket, a fixing hole capable of being embedded into the net basket is arranged on the bottom wall of the water storage chamber 21, the top of the net basket is fixedly connected with the bottom wall of the water storage chamber 21, and the cloth bag type filtering is adopted. Preferably, the closed container is further provided with a pressure gauge 16, which can reflect the pressure value inside the closed container in real time.

Fig. 5 shows a structure of a fifth embodiment of the present invention, which is different from the fourth embodiment in that: the difference of filter media room 21 and the filter unit's structure, the filter unit includes at least one filter element group spare 24, filter element group spare 24 water inlet and reservoir 21 intercommunication, filter element group spare 24 delivery port and 3 intercommunications of play pond, every filter element group spare 24 includes hollow sleeve and fills the filter core in this hollow sleeve, various filter core structures such as ceramic filter core, glass fiber filter core active carbon filter core, textile fiber wire winding filter core and polypropylene melt-blown filter core can be selected to the filter core.

In a further improvement of the five embodiments, at least one backflow port 8 is arranged at one end of the water outlet pipe 7 communicated with the cylinder body 1, and the continuous filtering device flows the filtered washing liquid back into the cylinder body 1 through each backflow port 8. Further, one of them backward flow mouth 8 is located the below of 1 inner chamber of cylinder body, can arrange micro-nano bubble generator between outlet pipe 7 to through the washing liquid that 1 inner chamber below of cylinder body flows and contains micro-nano bubble, during the design, can keep away from the end that absorbs water of second drain pipe 6 with backward flow mouth 8 as far as possible, can make the inside washing liquid of cylinder body 1 flow, further improve clean effect. Certainly, the return port 8 can be arranged in the middle of the inner cavity of the cylinder body 1, or the return ports 8 can be arranged in the middle or below the inner cavity of the cylinder body 1.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A continuous filtering device for a dishwasher, characterized in that: comprises that

The water inlet tank (2) is connected with a water inlet pipe, and a filtering unit is arranged in the water inlet tank;

the water outlet pool (3) is connected with the outlet of the water inlet pool (2), and the water outlet pool (3) is connected with a water outlet pipe (7);

a water pump (12), wherein the water pump (12) is arranged at the water inlet pipe of the water inlet pool (2) or the water outlet pipe (7) of the water outlet pool (3).

2. The continuous filtering device for a dishwasher according to claim 1, wherein: the inlet tube includes first drain pipe (5), second drain pipe (6) and third drain pipe (17), first drain pipe (5) intercommunication cylinder body (1) inner chamber's bottom, second drain pipe (6) intercommunication cylinder body (1) inner chamber's well top, third drain pipe (17) intercommunication cylinder body (1) inner chamber's top, the other end intercommunication of outlet pipe (7) the middle part of cylinder body (1) inner chamber.

3. The continuous filtering device for a dishwasher according to claim 2, wherein: the water inlet tank (2) is located below the cylinder body (1), the water pump (12) is arranged at the position of the water outlet pipe (7), the water pump (12) is a submersible pump, the water pump (12) is arranged in the water outlet tank (3), the highest position of the second water outlet pipe (6) is lower than the water level of washing liquid in the cylinder body (1), one end of the second water outlet pipe (6) penetrates through the side wall of the cylinder body (1) to be communicated with the interior of the cylinder body, the other end of the second water outlet pipe (6) is connected with a water level control valve (9), the other end of the first water outlet pipe (5) is also connected to the water inlet of the water level control valve (9), and the water outlet of the water level control valve (9) is connected with the water inlet of the water inlet tank (2).

4. The continuous filtering device for a dishwasher according to claim 2, wherein: the water inlet pool (2) is positioned below the cylinder body (1), the water pump (12) is arranged at the water outlet pipe (7) of the water outlet pool (3), the water pump (12) is a submersible pump, the water pump (12) is arranged in the water outlet pool (3), the highest position of the second drain pipe (6) is higher than the water level of the washing liquid in the cylinder body (1), the second water discharge pipe (6) upwards bypasses the side wall of the cylinder body (1) and then is communicated with the middle upper part of the inner cavity of the cylinder body, the other end of the second water discharge pipe (6) is connected with a water level controller (15), the other end of the first drainage pipe (5) is also connected to the water inlet of the water level controller (15), the water pump (12) is connected with a siphon auxiliary pipe (14) which is connected with a water pump water inlet of the water level controller (15), the water outlet of the water level controller (15) is connected with the water inlet of the water inlet pool (2).

5. The continuous filtering device for a dishwasher according to claim 2, wherein: the water inlet tank (2) is located above the cylinder body (1), and the water pump (12) is arranged at a water inlet pipe of the water inlet tank (2).

6. The continuous filtering device for a dishwasher according to claim 2, wherein: still include a closed container, intake pond (2) with go out pond (3) and arrange in this closed container, intake pond (2) are located closed container's upper portion, it is located to go out pond (3) closed container's lower part, intake pond (2) are including the intercommunication reservoir chamber (21) of inlet tube and filter media room (22) of this reservoir chamber (21) of intercommunication, filter unit arranges in this filter media room (22), water pump (12) are arranged the inlet tube department of intake pond (2).

7. The continuous filtering device for a dishwasher according to any one of claims 1 to 5, wherein: the filtering unit comprises a coarse filtering separation net (10) and a fine filtering separation net (11) positioned below the coarse filtering separation net, and the water pump is provided with a water level control ball valve (13) for controlling the opening and closing state of the water pump.

8. The continuous filtering device for a dishwasher according to claim 7, wherein: the water inlet tank is characterized by further comprising a filtering tank, the upper end of the filtering tank is open, the water inlet tank (2) and the water outlet tank (3) are arranged in the filtering tank, a water level control channel (4) is further arranged between the water inlet tank (2) and the water outlet tank (3), the water inlet tank (2) is communicated with the water level control channel (4) through a water outlet in the lower portion of the water inlet tank, the water outlet tank (3) is communicated with the water level control channel (4) through a water inlet in the upper portion of the water outlet tank, and the water level of the water inlet tank (2) is not lower than that of the water outlet tank (3).

9. The continuous filtering device for a dishwasher according to claim 6, wherein: the filter unit comprises at least one filter bag assembly (23), each filter bag assembly (23) comprises a net basket and a filter bag arranged in the net basket, the outer surface of each filter bag is tightly attached to the inner wall of the net basket, the bottom wall of the water storage chamber (21) is provided with a fixing hole capable of being embedded into the net basket, the top of the net basket is fixedly connected with the bottom wall of the water storage chamber (21), and the filter material chamber (22) is communicated with the water outlet pool (3).

10. The continuous filtering device for a dishwasher according to claim 6, wherein: the filter unit includes at least one filter element group spare (24), the water inlet and reservoir chamber (21) intercommunication of filter element group spare (24), the delivery port of filter element group spare (24) with play pond (3) intercommunication, every filter element group spare (24) include hollow sleeve and fill the filter core in this hollow sleeve, the filter core is one of ceramic filter core, glass fiber filter core active carbon filter core, textile fiber wire winding filter core and polypropylene melt-blown filter core.

11. The continuous filtering device for a dishwasher according to any one of claims 2 to 6, wherein: and at least one backflow port (8) is arranged at one end of the water outlet pipe (7) communicated with the cylinder body (1).