CN201445503U - dishwasher filter system - Google Patents

Abstract

The utility model relates to a filtering system of dish washer. The self-cleaning filtering slag-collecting device comprises an inner container of the dish-washing machine, a water cup, a first channel connected with the water cup of the dish-washing machine, and a drainage pump arranged on the first channel, and the self-cleaning filtering slag-collecting device also comprises a filter cavity, wherein a filter screen is arranged in the filter cavity and is divided into a first cavity and a second cavity by the filter screen, the first cavity is connected with the other end of the first channel, and the second cavity is connected with the inner container of the dish-washing machine through the second channel; the first cavity is further connected with a drain pipe, and a drain valve is arranged on the drain pipe. The drainage pump is utilized to force the washing water to participate in the independent filtering circulation system, so that the washing water is cleaned and filtered, and food residues are collected and discharged at the same time, so that the washing efficiency of the dish washing machine is improved, the washing water is reduced, and the washing time is saved. And simultaneously, the utility model provides a filter and receive sediment device still has the function of automatically cleaning filter screen.

Description

dishwasher filter system

technical field

The utility model relates to an internal circulation filtering structure of a dishwasher, in particular to a filtering system for filtering water and collecting slag of the dishwasher.

Background technique

The current dishwasher, its circulating filter device as shown in Figure 1, includes a dishwasher liner 1, a water inlet pipe 2, a water cup 3 at the bottom of the dishwasher liner, a flat filter 4 and a cylindrical surface in the water cup 3 Filter 5, washing pump 6 connected with water cup 3. Planar filter 4 and cylindrical filter 5 have the functions of filtering washing water and collecting residues. The washing pump 6 pumps the filtered circulating water into the upper and lower spray arms 7, 8 and then enters the dishwasher liner 1 to participate in circulating washing. Waste water is discharged by drainage pump 9 after washing. Since the drainage pump only participates in the drainage work, the drainage pump has not been fully utilized; the washing system and the circulating filtration system share a washing pump, and the circulating water can only enter the circulating washing through the washing pump, so the recycling efficiency of the circulating water is low. And its filtering water and collecting residue mainly rely on the one-time purification of flat filter and cylindrical filter, so the effect of filtering water and collecting residue is not very ideal, and it needs enough washing cycles to achieve better filtering effect , so water consumption, time consumption, energy consumption.

In addition, the filter system of the dishwasher usually does not have a self-cleaning function, and usually needs to disassemble the filter screen and other components for cleaning, which is time-consuming and laborious. If it is not cleaned for a long time, it will also reduce the cleaning efficiency of the dishwasher and cause secondary pollution to the tableware.

Utility model content

The technical problem to be solved by the utility model is to overcome the deficiencies of the above-mentioned prior art, and provide a filter system that can improve the cleaning rate of the dishwasher, reduce water consumption, and shorten the washing time.

Another problem to be solved by the utility model is to provide a filter system with self-cleaning function.

The technical solution of the present utility model is: a filter system of a dishwasher, including an inner container of the dishwasher, a water cup, a first channel connected with the water cup of the dishwasher, and a drainage pump arranged on the first channel, It is characterized in that: the self-cleaning filter and slag collection device also includes a filter cavity, and a filter screen is arranged in the filter cavity, and is divided into a first cavity and a second cavity by the filter screen, and the first cavity and the first cavity The other end of the channel is connected, and the second cavity is connected with the inner tank of the dishwasher through the second channel; a drain pipe is also connected to the first cavity, and a drain valve is arranged on the drain pipe. Through the function of the drainage pump, while the dishwasher is washing, the washing water is forcibly and independently filtered and purified, so that the washing water of the dishwasher can play the role of cleaning and filtering, thereby improving the cleaning of the dishwasher Efficiency, save water resources, and can shorten washing time at the same time.

As a further improvement of the utility model, the second chamber is provided with a water spray device, and is divided into an upper chamber and a lower chamber by the water spray device. The upper chamber is connected with a water inlet pipe, and is connected with the external water source The lower chamber communicates with the first chamber and the second pipeline, and the first channel between the drain pump and the first chamber is provided with a non-return piece. Therefore, in the process of water intake through the water inlet pipe, while the water flow enters the inner tank of the dishwasher through the second channel, due to the pressurization effect of the water spray device on the water flow, after the water flow is sprayed through the water spray device, it will affect the lower chamber and the dishwasher. The filter screen between the first chambers plays a role of self-cleaning, washing and sedimenting the food residue attached to the filter screen water in the previous washing process to the slag discharge port, and after this washing is completed, it will be washed together with other Food residues come out of the drain.

The water spraying device is a water spraying plate, and the water spraying plate is provided with a plurality of small holes for spraying water.

A slag discharge port is provided at the bottom of the first cavity, and the drain pipe is connected with the slag discharge port.

The filter system of the dishwasher newly provided by the utility model uses a drainage pump to force the washing water to participate in an independent filtering circulation system, thereby cleaning and filtering the washing water, and at the same time collecting and discharging food residues, thereby Improve the washing efficiency of the dishwasher, reduce washing water, and save washing time.

Description of drawings

Fig. 1 is the structural representation of existing dishwasher;

Fig. 2 is a structural schematic diagram of the dishwasher connected with the filter system of the present invention.

Detailed ways

As shown in FIG. 2 , it is a structural schematic diagram of a dishwasher connected with the self-cleaning filter system of the present invention. The bottom of the water cup 3 of the dishwasher is provided with a first passage 11, and the other end of the first passage 11 communicates with the filter chamber. A drain pump 9 and a non-return piece 10 are arranged on the first channel 11, and the non-return piece 10 only allows the washing water to flow into the filter cavity through the drain pump 9. The filter chamber is divided into an upper chamber 14, a lower chamber 13 and a first chamber body 12 by a water spray plate 17 and a filter screen 18 in turn, and the upper chamber 14 is connected with the water inlet pipe 16, and the water inlet pipe 16 is provided with a water inlet valve; the lower chamber 13 It is connected with the second passage 15, and the other end of the second pipe 15 is connected with the inner tank 1 of the dishwasher; the first cavity 12 is connected with the end of the first passage 11 of the first pipe. The spray plate 17 is provided with small holes for spraying water.

A slag outlet 19 is provided at the bottom of the first cavity 12 , and the slag outlet 19 is connected to a drain pipe 20 , and a drain valve 21 is provided on the drain pipe 20 .

The working principle and process of the present utility model are illustrated below in conjunction with the accompanying drawings.

First, water enters the upper chamber 14 of the filter chamber through the water inlet pipe 16, and enters the lower chamber 13 through the water spray plate 17. At this time, the drain valve 21 is closed, so the water can only enter the inner tank of the dishwasher through the second channel 15. This process realizes the function of water intake and cleaning of the filter screen 18. Under the action of the water spray plate 17, the water flow scours the filter screen 18, so that the food residues adsorbed on the filter screen 18 in the last washing process are washed away by the water flow. The sediment is deposited at the slag discharge port 19, and after the washing is finished, it is discharged from the drain pipe, so that the water filtration and slag collection device has the function of self-cleaning.

When washing starts, water inlet pipe 16 stops water intake, drain pump 9 and washing pump 6 work, and washing pump 6 brings water in the circulating waterway, enters upper and lower spray arms 7,8, then sprays, washes tableware. When the drain pump is working, the washing water enters the first cavity 12 through the drain pump 9 and the first channel 11, then enters the lower cavity 13 through the filter screen 18, and then returns to the dishwasher inner tank 1 through the second channel 15 for circulation. . This process achieves the functions of filtering water and collecting residues in the first cavity 12 . The washing water enters an independent filtration cycle for forced purification and filtration to improve the cleanliness of the washing water, thereby improving the washing efficiency of the dishwasher, reducing washing water, and saving washing time.

Finally, when the washing is finished, the drain valve 21 is opened, the drain pump 9 works, and the drain valve 21 is opened. Waste water with residue is discharged to the outside through the drain valve 21 and the drain pipe 20 . This process realizes the function of discharging residue and waste water.

Therefore, the filter system provided by the utility model realizes the functions of filtering water, collecting residues, self-cleaning, and discharging waste water, thereby improving the utilization efficiency of water sources, further reducing the water consumption and energy consumption of dishwashers, and at the same time improving the performance of dishwashing. machine cleaning performance.

Claims (4)

1. A filter system for a dishwasher, comprising an inner tank of the dishwasher, a water cup, a first channel connected to the water cup of the dishwasher and a drain pump arranged on the first channel, characterized in that: The self-cleaning filtering and slag collecting device also includes a filter chamber, in which a filter screen is arranged, and is divided into a first cavity and a second cavity by the filter screen, and the first cavity is connected to the other end of the first channel , the second cavity is connected with the inner container of the dishwasher through the second channel; the first cavity is also connected with a drain pipe, and a drain valve is arranged on the drain pipe. 2. The filter system of the dishwasher according to claim 1, characterized in that: the second chamber is provided with a water spray device, and is divided into an upper chamber and a lower chamber by the water spray device, and the upper chamber is A water inlet pipe is connected, and communicates with an external water source through the water inlet pipe; the lower chamber communicates with the first chamber and the second pipe, and the first channel between the drainage pump and the first chamber is provided with a check piece. 3. The filter system of the dishwasher according to claim 2, wherein the water spraying device is a water spraying plate, and the water spraying plate is provided with a plurality of small holes for spraying water. 4. The filter system of a dishwasher according to claim 2, wherein a slag discharge port is provided at the bottom of the first cavity, and the drain pipe is connected to the slag discharge port.