KR20070074274A - Filter device for dish washer - Google Patents

Abstract

A filter device of a dish washer is provided to improve a cleaning performance by integrally forming filters to reduce the size of filter device and the pressure of washing water passing through each filter. A filter device of a dish washer includes a dual filter(100), a third filter, and a filth chamber. The dual filter is installed in the interior of a sump in which washing water is accommodated. The dual filter filters relatively large filth and middle filth contained in the washing water introduced into the sump. The third filter is installed on the outer side of the dual filter to filter minute filths. The filth chamber is formed in the interior of the sump to accommodate the filth filtered by the filter and guide the filth to the discharge pump. The dual filter includes a body(200) forming an outer appearance, a first filter(400) installed at an inner side of the body to filter the large filth, and a second filter(500) installed on a circumference of the body to filter the middle filth.

Description

Filter device for dish washer

1 is a schematic diagram schematically showing the internal structure of a dishwasher according to the prior art

Figure 2 is an exploded perspective view showing each filter of the filter device according to the prior art

Figure 3 is a schematic diagram showing a state in which the filter device according to an embodiment of the present invention is installed on the sump

Figure 4 is a perspective view showing a double filter of the filter device according to an embodiment of the present invention

Figure 5 is an exploded perspective view showing each filter of the filter device according to an embodiment of the present invention

6 is a perspective view showing a triple filter of the filter device according to another embodiment of the present invention.

** Explanation of symbols for main parts of drawings **

8: Sump 9: Drainage pump

80: dirt chamber 100: double filter

200: body portion 210: upper body

211: inlet 230: lower body

230a: first discharge part 230b: second discharge part

231: upper edge 233: lower edge

235: circumference 400: first filter

410: inclined plate 430: grill

500: second filter 600: triple filter

800: third filter 900: fixing frame

910: fixed end 930: rib

The present invention relates to a dishwasher, and more particularly, to a filter device of the dishwasher to filter the dirt contained in the wash water multiple times.

The dishwasher is a device for automatically washing dishes, such as used dishes, because the dishes are made automatically, so that the convenience of the user is improved, and in recent years, the spread is spreading.

1 is a schematic diagram schematically showing the internal structure of a dish washing machine according to the prior art, Figure 2 is an exploded perspective view showing each filter of the filter device according to the prior art.

As can be seen from Figure 1, the conventional dishwasher (1) is a washing chamber (3) in which the dishes are placed and washing, and located under the washing chamber (3) to the high pressure washing water in the washing chamber (3) A part 5 (hereinafter referred to as a “drive part installation part”) where various electrical appliances for supplying and the like are installed, and a filter device 30 for filtering dirt from washing water circulated and installed inside the sump 6 It is made to include.

The washing chamber 3 and the driving unit installation unit 5 will be described as follows.

The front of the washing chamber 3 is provided with a door 7 that can be opened and closed. An upper rack 12 and a lower rack 14 on which dishes are placed are installed in the washing chamber 3, and upper spray arms for spraying washing water are disposed below the upper rack 12 and the lower rack 14. 22) and a lower injection arm 24 are disposed respectively.

Then, one side inside the washing chamber is provided with a heater 13 for heating the moisture remaining in the washing chamber to make steam after the washing process is finished.

On the other hand, the driving unit installation portion 5 is provided with a sump (8) for receiving the wash water, the sump (8) is pumped the wash water to the upper injection arm 22 and the lower injection arm 24 of the washing chamber (3) A washing pump is sent to the room. In general, the sump 8 and the upper injection arm 22 and the lower injection arm 24 are connected by the upper connection pipe 322 and the lower connection pipe 324.

In addition, it comprises a filter device 30 is installed inside the sump (8) to filter the dirt from the washing water circulated.

In this case, as shown in FIG. 2, the filter device 30 is installed inside the sump 8 to filter relatively large dirt from washing water, and the outside of the first filter 32. A second filter 34 installed on the second filter 34 to filter relatively small dirt from the washing water passing through the first filter 32, and a third filter installed outside the second filter 34 to filter fine dirt ( 37).

Accordingly, as the washing pump (not shown) is operated, the washing water filtered through the filter device 30 is filtered through the upper and lower spray arms 22 and 44 by the washing pump, respectively. It is injected to the (12, 14) side.

Reference numeral 9 denotes a drain pump connected to the filter device 30 to discharge the washing water to the outside.

However, the filter device of the dish washing machine according to the prior art has the following problems.

First, each filter 32, 35, 37 is formed independently and are installed so as to be coupled to each other, the material costs and mold costs are largely consumed by each filter 32, 35, 37 is formed independently, each filter 32 There was a problem in that a number of processes are required to install.

In addition, the washing water flowing through each filter (32, 35, 37) to the sump (8) increases the flow resistance received while passing through each filter (32, 35, 37), the washing performance according to the flow resistance There was a problem to supply more power to maintain.

The present invention is to solve the above problems, an object of the present invention is to improve the structure of the filter device provided in dishwashing filter device of the dishwasher to reduce the manufacturing cost and material cost of the filter device, and the assembly process It is intended to provide.

In order to achieve the above object, the present invention is installed in the sump containing the wash water is a double filter for filtering relatively large dirt and intermediate dirt contained in the wash water flowing into the sump; A third filter installed outside the double filter to filter fine dirt; In addition, the filter device of the dishwasher is formed in the sump and comprises a waste chamber for receiving the waste filtered from each filter to guide the drain pump.

The double filter may include a body part forming an exterior, a first filter provided inside the body part to filter the relatively large dirt, and a second filter installed around the body part to filter intermediate dirt. have.

Here, the body portion is installed so as to be exposed to the outside of the sump and the upper body is formed with an inlet for the introduction of washing water and dirt, and is formed extending to the upper body is installed inside the sump, the lower discharges each dirt to the waste chamber A first discharge portion for forming the first discharge portion is formed, the periphery may include a lower body formed with a second discharge portion for discharging the washing water filtered each dirt to the third filter side.

At this time, the lower body is formed in the protruding portion is divided into the upper body and the lower body is fixed to the upper surface of the sump and the lower edge formed on the lower side of the upper edge portion to form the first discharge portion Part and one end is connected to the upper edge portion and the other end is connected to the lower edge portion may comprise a circumference portion consisting of a plurality of guides forming a circumference of the lower body and forming a second discharge portion.

In addition, the first filter is installed to be inclined downward from the inner circumference of the lower body to reduce the flow rate of the wash water introduced into the lower body, and installed on the lower side of the inclined plate to help filter the large dirt It can be made including a grill for.

On the other hand, the second filter is installed between each guide and the guide, it may be installed to surround the outer side, or the inner side.

Another invention for achieving the above object is a triple filter that is installed in the sump containing the wash water is contained in the wash water flowing into the sump, and the triple filter for sequentially filtering the fine dirt, and inside the sump It may be formed to include a dirt chamber for receiving the waste filtered from the triple filter to guide the drain pump.

The triple filter includes a body part forming an external appearance, a first filter installed inside the body part to filter relatively large dirt, a second filter installed around the body part to filter intermediate dirt, and the second filter. It may be made to include a third filter installed on the outside of the filter to filter out fine dirt.

Here, the body portion is installed so as to be exposed to the outside of the sump and the upper body is formed with an inlet for the introduction of washing water and dirt, and is formed extending to the upper body is installed inside the sump, the lower discharges each dirt to the waste chamber A first discharge portion for forming the first discharge portion is formed, the periphery may include a lower body formed with a second discharge portion for discharging the washing water filtered each dirt to the third filter side.

At this time, the lower body is formed to protrude in a portion where the upper body and the lower body is divided and fixed to the upper surface of the sump and the lower edge formed on the lower side of the upper edge portion to form the second discharge portion Part and one end is provided on the upper edge portion and the other end is provided on the lower edge portion may comprise a circumference portion consisting of a plurality of guides to form a circumference of the lower body and to form a first discharge portion.

In addition, the first filter is installed inclined downward from the inner circumferential surface of the lower body to reduce the flow rate of the wash water introduced into the lower body, and installed on the lower side of the inclined plate to help filter the large dirt It can be made including a grill for.

On the other hand, the second filter is installed between each guide, it may be installed to surround the outer or inner circumference.

On the other hand, the lower body may be configured to further include a fixing frame for installing the third filter.

Here, the fixing frame may include a fixed end protruding from the lower edge, the fixed end, and a plurality of ribs connecting the upper edge.

On the other hand, it is preferable that the third filter is installed inside each of the ribs.

Therefore, the present invention can reduce the material cost, mold cost, and assembly process by integrally manufacturing two filters or three filters of each filter provided in the filter device of the dishwasher.

In addition, the size of the filter device can be reduced, and the pressure received by the wash water passing through the filter device can be reduced as much as possible.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention that can specifically realize the above object will be described.

In addition, the same components as the prior art are given the same names and the same reference numerals for convenience of description, and detailed description thereof will be omitted.

First, Figure 3 is a schematic diagram showing a state in which the filter device according to an embodiment of the present invention is installed in the sump, Figure 4 is a perspective view showing a double filter of the filter device according to an embodiment of the present invention.

And, Figure 5 is an exploded perspective view showing each filter of the filter device according to an embodiment of the present invention.

As shown in Figure 3 and 4, the dishwasher according to an embodiment of the present invention, the double filter 100 is installed inside the sump (8), and the third filter (installed outside the double filter 100) 37), a dirt chamber 80 formed on the lower side of the double filter 100, and a drain pump 9 is installed to communicate with the dirt chamber (80).

Here, the sump (8) is provided with an accommodating groove (not shown) for accommodating the washing water, and a filter cover (not shown) is installed on the sump to cover the sump (8).

In addition, the double filter 100 is provided to filter relatively large dirt and intermediate dirt contained in the washing water flowing into the sump 8 at the same time.

The double filter 100 according to an exemplary embodiment of the present invention may include a body 200, a first filter 400, and a second filter 500.

For example, as shown in Figure 3, the body portion 200 is installed so as to be exposed to the outside of the sump (8) and the upper body 210 is formed with an inlet portion 211 through which the washing water and dirt is introduced; Is formed extending from the upper body 210 to the lower side is installed inside the sump (8), the lower portion is formed with a first discharge portion (230a) for discharging each dirt to the waste chamber (80), It may include a lower body 230 is formed with a second discharge portion (230b) for discharging each waste water filtered to the third filter 37 side.

In this case, the lower body 230 includes an upper edge portion 231, a lower edge portion 233, and a circumference portion.

The upper edge portion 231 is formed to protrude in a portion where the upper body 210 and the lower body 230 are divided to serve to allow the upper body 210 to be installed outside the sump 8.

The lower edge portion 233 is installed inside the sump 8.

In this case, a first discharge part 230a is formed at the bottom of the lower edge portion 233 to discharge the waste and washing water filtered from the inside of the lower body 230 to the waste chamber. On the other hand, the lower edge portion 233 is preferably installed to communicate with the dirt chamber (80).

The circumferential portion is formed of a plurality of guides 235, one end of each guide 235 is installed to be connected to the upper edge 231, and the other end is installed to be connected to the lower edge 233.

In this case, a second discharge portion 230b is formed between the guides 235, and the second discharge portion 230b is configured to filter the dirt from which the dirt is filtered outside the double filter 100. ) Discharges to the side.

On the other hand, the upper body 210, the upper rim 231 constituting the lower body 230, the lower rim 233, and each guide 235 is preferably formed integrally by a single process. Do.

In addition, the first filter 400 according to an embodiment of the present invention is installed in the lower body 230 of the body 200 to filter large dirt introduced into the lower body 230.

For example, the first filter 400 may include an inclined plate 410 and a grill 430.

The inclined plate 410 is installed to be inclined downward in the circumference of the lower body 230. At this time, the inclined plate 410 is formed to block some space of the flow space through which the dirt and the washing water inside the lower body 230, and serves to reduce the flow rate of the washing water, and slipped large dirt It serves to fall.

In addition, the grill 430 is installed at the lower side of the inclined plate 410 to filter large dirt flowing along the inclined plate 410.

In addition, the second filter 500 is installed in the circumference of the lower body 230 and included in the wash water when the washing water filtered with large dirt from the first filter 400 is discharged to the third filter 37 side. It is formed to filter out the intermediate dirt.

The second filter 500 according to an embodiment of the present invention, the second filter 500 is installed between each guide 235 forming a circumference of the lower body 230, the outer and inner circumference It may be installed to wrap, in the embodiment of the present invention is provided that the second filter 500 is installed so as to surround the inner portion.

The second filter 500 installed at the circumference receives water pressure while the washing water passes. In this case, when the second filter 500 is installed inside the circumference, the second filter 500 is partially supported by the guides 235 to withstand the water pressure of the washing water and deforms it. Although it can prevent, when it is installed on the outer periphery can be easily deformed because it can not be supported by each guide (235). Therefore, the second filter 500 is preferably installed inside the circumference.

In addition, the third filter 37 is installed outside the double filter 100 to filter fine dirt contained in the wash water passing through the double filter 100.

And, the waste chamber 80 is installed to communicate with the lower end of each filter serves to guide the drain pump (9) by receiving the filtered dust from each filter.

At this time, the drain pump 9 is installed to communicate with the dirt chamber 80 serves to discharge each of the dirt and washing water introduced through the dirt chamber (80).

Referring to the operation of the filter device of the dishwasher according to the embodiment of the present invention configured as described above and the effects thereof are as follows.

When the dishwasher is operated and the dishes accommodated in the washing chamber are washed by the washing water, the washing water and each dirt are re-introduced into the sump 8 through the filter cover 8b covered on the upper part of the sump 8.

At this time, the part of the washing water and each dirt flows to the lower body 230 through the inlet 211 formed in the upper body 210 of the double filter 100.

Next, the washing water and each filth collide with the inclined plate 410 of the first filter 400 while flowing inside the lower body 230, and a large filth of each filth flows along the inclined plate 410. The filter is filtered by the grill 430 and accommodated in the dirt chamber 80 through the first discharge part 230a.

Next, the second filter 500 which is integrally formed with the lower body 230 while being discharged to the second filter 500 through the second discharge part 230b is filtered by the first filter 400. ), The middle dirt is filtered out.

Next, the fine water is filtered as the intermediate dirt is filtered and the washing water discharged into the third filter 37 passes through the third filter 37.

Next, the washing water filtered to the fine dirt is flowed to the receiving groove formed in the sump 8, and then recycled by a washing pump (not shown) installed in the sump 8.

Next, Figure 6 is a perspective view showing the structure of a triple filter according to another embodiment of the present invention, a partial cutaway to show the internal structure of the triple filter.

The dishwasher according to another embodiment of the present invention is installed inside the sump 8 in which the washing water is accommodated, and triples the sequential filtering of the relatively large and intermediate dirt and fine dirt contained in the washing water flowing into the sump 8. It comprises a filter 600, and a dirt chamber (80) for receiving the waste filtered by the triple filter to guide the drain pump (9).

In the exemplary embodiment of the present invention, the first filter 400 and the second filter 500 are integrally formed, but in the exemplary embodiment of the present invention, the first filter 400 and the second filter 500 and It is shown that the third filter 37 is formed integrally.

As shown in FIG. 6, the triple filter 600 includes a body part 200 forming an appearance, a first filter 400 installed inside the body part 200 to filter relatively large dirt, and the The second filter 500 is installed around the body 200 to filter out intermediate dirt, and the third filter 800 is installed outside the second filter 500 to filter fine dirt. have.

That is, in another embodiment of the present invention, the configuration is the same as the embodiment of the present invention, but the fixing frame 900 for installing the third filter 800 on the lower body 230 of the first filter 400. This provision is different from the first embodiment. Therefore, the description of the same configuration described above in the first embodiment will be avoided again.

The fixing frame 900 according to the second embodiment of the present invention includes a plurality of fixing ends 910 protruding from the lower edge 233, and connecting the fixing end 910 and the upper edge 231. A rib 930 is included.

In this case, the third filter 800 is preferably installed inside each of the ribs 930.

The process of filtering each dirt contained in the washing water through the filter device of the dishwasher according to another embodiment of the present invention is the same as the above-described embodiment.

As described above, in the present invention, the first filter 400 and the second filter 500 are integrally formed with the first filter 400 and the second filter 500 and the second filter 500 to filter out the dirt. As the third filter 37 is integrally formed, the material cost and the assembly process can be reduced.

In addition, as each filter is integrally formed, the size of the filter device can be reduced, and the pressure received while washing water passes through each filter can also be reduced.

Embodiment of the present invention as described above is configured to help the understanding of the present invention is not limited only to the above-described embodiment, various modifications are possible without departing from the spirit of the present invention.

As described above, the filter device of the dish washing machine according to the present invention has the following effects.

First, according to the present invention, as the first filter, the double filter formed integrally with the second filter or the first filter, the second filter, and the triple filter formed integrally with the third filter, Mold cost and assembly process can be greatly reduced.

Second, according to the present invention, by forming each filter integrally, it is possible to reduce the size of the filter device, and to reduce the pressure received while the washing water passes through each filter, thereby improving the washing performance to reduce power consumption. Has

Claims (17)

A double filter integrally formed in the sump in which the washing water is accommodated and integrally formed to filter the relatively large dirt and the intermediate dirt included in the washing water flowing into the sump; A third filter installed outside the double filter to filter fine dirt; And, And a dirt chamber formed inside the sump to receive the dirt filtered by the respective filters and to guide the waste pump to a drain pump. The method of claim 1, The double filter is Body portion forming the appearance, A first filter provided inside the body to filter the relatively large dirt, And a second filter installed around the body to filter the intermediate dirt. The method of claim 2, The body portion An upper body which is installed to be exposed to the outside of the sump and has an inlet for introducing washing water and dirt, Is formed extending in the upper body is installed inside the sump, the lower portion is formed with a first discharge portion for discharging each dirt to the waste chamber, the circumference of the second for discharging the washing water filtered to the third filter side Filter device of the dishwasher, characterized in that the outlet comprises a lower body formed. The method of claim 3, wherein The lower body An upper edge formed to protrude on a portion where the upper body and the lower body are divided and hung on an upper surface of the sump; A lower edge portion formed under the upper edge portion to form the second discharge portion; One end is connected to the upper edge portion, the other end is connected to the lower edge portion, the circumference portion consisting of a plurality of guides forming a circumference of the lower body and forming a first discharge portion: Filter device. The method according to claim 3 or 4, The first filter An inclined plate installed to be inclined downward from an inner circumferential surface of the lower body to reduce a flow rate of the washing water introduced into the lower body; It is installed on the lower side of the inclined plate filter device of the dishwasher, characterized in that it comprises a grill for filtering large dirt. The method of claim 4, wherein The second filter is installed between each guide, the filter device of the dishwasher, characterized in that installed to surround the outer periphery. The method of claim 4, wherein The second filter is installed between the guide and the guide, the filter device of the dishwasher, characterized in that it is installed to surround the inner periphery. A triple filter integrally formed in the sump in which the washing water is accommodated and integrally formed to filter the relatively large dirt and intermediate dirt and fine dirt contained in the washing water flowing into the sump; And a dirt chamber formed inside the sump to guide the wastewater filtered by the triple filter to the drain pump. The method of claim 8, The triple filter is Body portion forming the appearance, A first filter installed inside the body to filter relatively large dirt, A second filter installed around the body to filter the intermediate dirt; And a third filter installed outside the second filter to filter out fine dirt. The method of claim 9, The body portion An upper body which is installed to be exposed to the outside of the sump and has an inlet for introducing washing water and dirt, It is formed in the upper body and is installed inside the sump, the lower portion is formed with a first discharge portion for discharging each dirt to the waste chamber, the second discharge for discharging the washing water filtered each dirt to the third filter side The filter device of the dishwasher, characterized in that comprises an additional lower body formed. The method of claim 10, The lower body An upper edge formed to protrude on a portion where the upper body and the lower body are divided and hung on an upper surface of the sump; A lower edge portion formed under the upper edge portion to form the second discharge portion; One end is installed in the upper rim portion and the other end is installed in the lower rim portion, the circumference of the lower body consisting of a plurality of guides consisting of a guide: forming a first discharge portion of the dish washer filter comprising: Device. The method of claim 10, The first filter An inclined plate installed downward on an inner circumferential surface of the lower body to reduce a flow rate of the washing water introduced into the lower body; It is installed on the lower side of the inclined plate filter device of the dishwasher, characterized in that it comprises a grill for filtering large dirt. The method of claim 11, The second filter is installed between each guide, the filter device of the dishwasher, characterized in that installed to surround the outer periphery. The method of claim 11, The second filter is installed between the guide and the guide, the filter device of the dishwasher, characterized in that it is installed to surround the inner periphery. The method of claim 11, The lower body of the filter device of the dishwasher, characterized in that further comprises a fixing frame for installing the third filter. The method of claim 15, The fixing frame A fixed end protruding from the lower edge, Filter device of the dishwasher comprising a plurality of ribs connecting the fixed end and the upper edge. The method of claim 15, The third filter is a filter device of the dishwasher, characterized in that installed on the inside of each rib.

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