KR100680981B1 - A filter for drain pump of washing machine - Google Patents

Abstract

The present invention relates to a filtration device for a drain pump of a washing machine, the present invention is formed in a plate shape and a plurality of filtration hole is formed on one side of the filter formed on one side and the handle is formed, the water inlet is connected to the drain pipe connected to the washing tank; A drainage pump is formed in the drainage is formed is formed between the water inlet and the drainage is formed of a filtration chamber formed with a filtration chamber is installed in the filtration unit is a filtration device for a drainage pump of a washing machine to filter foreign matter contained in the wash water, One end of the filtration unit is integrally protruded from the center to one side, and a guide protrusion is integrally formed, and an outer circumferential surface of the filtration case in which the filtration chamber is formed is provided with a guide groove communicating with the filtration chamber to allow the guide protrusion to be inserted therein. According to the present invention, the guide portion is formed to extend the The guide projection is formed in the filtration section, and the tapered guide section is extended to the filtration case so that the filter can be easily installed by simply inserting the filter into the filtration chamber. There is an effect that the installation direction of the filter unit is easily set and maintained only by the operation to rotate until. In addition, it is possible to prevent the loss of function and leakage of the filter due to incorrect assembly of the filter portion.

Washing machine, drain pump, filtration device

Description

Filtration device for drainage pump of washing machine {A FILTER FOR DRAIN PUMP OF WASHING MACHINE}

1 is an exploded perspective view showing a filtration device for a drain pump of a washing machine according to a preferred embodiment of the present invention;

Figure 2 is a cross-sectional plan view of the coupling state of the filtration device shown in FIG.

3 is a cross-sectional view showing a filtration device for a drain pump of a conventional washing machine;

4 is a cross-sectional view taken along the line A-A of FIG.

<Description of the code | symbol about the principal part of drawing>

10: drain pipe 20: filtration case

21: water inlet 23: drain

25: filtration chamber 27: guide

28: guide groove 30: drainage pump

40: filter 50: filtration unit

52: filtration hole 56: guide protrusion

60: handle portion C: center axis

T: Taper

The present invention relates to a filtration apparatus for a drain pump of a washing machine, and more particularly, to a filtration apparatus for a drain pump of a washing machine which can easily insert a filter into a filtration chamber and prevent misassembly.

In general, as shown in FIG. 3, the filtration device for the drain pump of the washing machine is provided with an inlet 111 to which the drain pipe 100 connected to the washing tank is connected and a drain hole 113 to which the drain pump 120 is installed. Between the 111 and the drain 113, a plurality of filtration on one side to filter the foreign matter in the filter case 110, the filter chamber 115 is formed, and the wash water flowing into the inlet 111 and discharged to the drain port 113 A plate-shaped filtration unit 140 having a ball 141 is formed, a plurality of locking pins 143 protrude from the edge of each filtration hole 141 and a handle 150 is formed at the other side of the filtration case. The filter 130 is installed in the filtration chamber 115 of the 110, and is installed between the handle portion 150 and the filtration unit 140 is deformed during tightening of the handle portion 150 of the filtration chamber 115 It is composed of an airtight packing 160 for keeping in close contact with the inner wall.

The filtration device is such that when the filter unit 140 is inserted into the filtration chamber 115 of the filtration case 110 and tightens the handle unit 150, the airtight packing 160 is radially deformed and the filtration chamber. It adheres to the inner wall of 115 to maintain airtightness.

Therefore, the contaminated washing water introduced into the inlet 111 is filtered while passing through the filtration unit 140 and is discharged to the drain 113.

However, in the prior art having such a structure, the filter 130 of the filter 130 formed in a plate shape is contaminated only when each of the filter holes 141 is installed such that the inlet 111 and the drain 113 face each other. Since foreign matters contained in the wash water could be filtered through the filtration holes 141, the guide protrusions may be inserted into the filtration chamber 115 to maintain the constant direction as shown in FIG. 4. 117 is formed, and the filtration unit 140 has a guide groove 145 for inserting the guide protrusion 117 is formed.

Thus, in order to insert the filtration unit 140 of the filter 130 into the filtration chamber 115, the insertion direction is inserted such that the guide protrusions 117 are inserted into both guide grooves 145 of the filtration unit 140. There was an inconvenience to adjust. That is, it was inconvenient to insert the filtration unit 140 into the filtration chamber 115 by paying attention to the guide protrusion 117 is inserted into the guide groove 145 of the filtration unit 140.

The present invention has been made to solve the above problems, the technical problem of the present invention is to easily insert the filter into the filtration chamber, to provide a filtration device for the drain pump of the washing machine that can prevent the misassembly of the filter. have.

Technical problem of the present invention for achieving the above object,

A filtration unit 50 formed in a plate shape and having a plurality of filtration holes 52 is formed at one side, and an inlet for connecting the filter 40 at which the handle part 60 is formed at the other side, and a drain pipe 10 connected to the washing tank. A filtration case having a filtration chamber 25 in which the filtration unit 50 is installed is formed between the inlet port 21 and the drain port 23, and a drain port 23 is provided with the drain pump 30. In the filtration device for the drain pump of the washing machine consisting of (20) to filter foreign matter contained in the wash water,

One end of the filtration unit 50 has a guide protrusion 56 integrally protruded from the center to one side, and the guide protrusion 56 is formed on the outer circumferential surface of the filtration case 20 in which the filtration chamber 25 is formed. It is achieved by providing a filtration device for the drain pump of the washing machine, characterized in that the guide portion 27 provided with an inner side of the guide groove 28 communicating with the filtration chamber 25 is formed to be inserted into). .

The guide portion 27 is characterized in that the central axis C is formed to be tapered downward.

In the filtration device of the present invention, the guide protrusion 56 is formed in the filtration unit 50, and the guide unit 27 is formed in the filtration case 20 to extend the filter 40 into the filtration chamber 25. When the coupling is provided, the convenience of easily coupling the filtration unit 27 of the filter 40 to the filtration chamber 25 regardless of the installation direction of the filter 40 is provided.

When described in detail with reference to the accompanying drawings a preferred embodiment of the present invention having the above characteristics as follows.

In the accompanying drawings, Figure 1 is an exploded perspective view showing a filtration device for a drain pump of a washing machine according to a preferred embodiment of the present invention, Figure 2 is a cross-sectional plan view of the combined state of the filtration device shown in FIG.

As shown in FIGS. 1 and 2, the filtration apparatus according to the present invention includes a filtration case 20 in which a drain pipe 10 and a drain pump 30 are installed, and contaminated washing water installed in the filtration case 20. Filter 40 for removing the foreign matter contained in, and the airtight packing 70 is installed between the filter portion 50 and the handle portion 60 of the filter 40 to maintain the airtightness of the filtration chamber 25 ).

This will be described in detail as follows.

As shown in FIGS. 1 and 2, the filtering case 20 has an inlet 21 through which a drain pipe 10 of the washing machine is connected to one side thereof, and a drain hole 23 at a position facing the inlet 21. Is formed. A drain pump 30 is installed at the drain port 23 side.

A filtration chamber 25 for installing the filter 40 is formed between the water inlet 21 and the drain 23.

Subsequently, in the filtration case 20 in which the filtration chamber 25 is formed, a guide part 27 provided therein with a guide groove 28 communicating with the filtration chamber 25 so that the guide protrusion 56 to be described later can be inserted therein. Is formed extending. Such a guide part 27 easily couples the guide protrusion 56 to the guide groove 28 only by inserting the filter 40 when the filter part 50 of the filter 40 is inserted into the filtration chamber 25. Can be, as well as being able to maintain the set installation direction of the filtration unit 50.

In addition, the guide portion 27 is formed such that the central axis C is tapered downward. That is, the center line axis C is tapered downward toward the other end with respect to the center of one side end of the guide part 27.

The filter 40 is installed in the filtration chamber 25 to remove foreign substances in the wash water discharged from being polluted, and a plate-shaped filtration unit 50 having a plurality of filter holes 52 formed on one side thereof is formed. At the edge of the filtering hole 52, a plurality of locking pins 54 protrude.

Then, the handle portion 60 is formed on the other side of the filter 40, and the airtight packing 70, which will be described later, is installed between the handle portion 60 and the filtration portion 50 to deform when tightening the handle portion 60. While being in close contact with the inner wall of the filtration chamber 25 to maintain the airtight.

One end of the filtration unit 50 is integrally protruded from the center to one side, so that the guide protrusion 56 is integrally formed to be inserted into the guide groove 28 of the guide unit 27.

Here, the position of the guide protrusion 56 and the guide groove 28 is opposite to the inlet 21 and the drain 23 of the filtration hole 52 when the filtration unit 50 is inserted into the filtration chamber 25. It is formed in the position to see, because each filter hole 52 must be installed so that the inlet 21 and the drain 23 to face the foreign matter contained in the contaminated wash water is filtered through the filter hole (52).

The hermetic packing 70 is installed between the handle part 60 and the filtration part 50 of the filter 40 and is deformed when tightening the handle part 60 to be in close contact with the inner wall of the filtration chamber 25 to maintain airtightness. Keep it.

Referring to the operation of the present invention configured as described above is as follows.

The filter 40 formed by combining the filtration unit 50, the airtight packing 70, and the handle unit 60 is coupled to the filtration case 20.

That is, the grip part 60 of the filter 40 is gripped and the filtration part 50 is inserted into the filtration chamber 25. Then, the filtration unit 50 is inserted into the filtration chamber 25 and the guide protrusion 56 is positioned in the guide groove 28 of the guide unit 27.

When the handle 60 of the filter 40 is tightened in this state, the filtration unit 50 is advanced into the filtration chamber 25 and at the same time, the guide protrusion 56 is positioned in the guide groove 28, The packing 70 is radially deformed to be in close contact with the inner wall of the filtration chamber 25 to maintain airtightness.

Here, when the filtration unit 50 of the filter 40 is inserted into the filtration chamber 25 of the filtration case 20, a guide protrusion 56 formed at one end of the filtration unit 50 is fixed to the guide groove 28. If not, rotate the filter 40 to the left or right. Then, the guide protrusion 56 rotates by the rotation of the filter 40 and is located at the taper T portion of the guide part 27. The guide protrusion 56 is fixed to the guide groove 28 along the taper T. Is installed in position. In this case, the guide protrusion 56 may be positioned in the guide groove 28 because the central axis C of the guide portion 27 is tapered downward.

When the assembly of the filter 40 is completed in the filtration case 20, the filtration hole 52 of the filtration unit 50 is installed so that the inlet 21 and the drain port 23 face each other, so that the filtration unit 50 is provided. Maintain the set installation direction.

In this state, when the contaminated washing water discharged to the drain pipe 10 flows into the filtration chamber 25 through the inlet 21, the introduced washing water is discharged to the drain 23 through each of the filtration holes 52. It is discharged by the drain pump (30).

As described above, the present invention can be easily inserted into the filtration chamber 25 of the filtration case 20 while the filtration unit 50 of the filter 40 is easily inserted into the filtration unit 50. It is possible to prevent loss of function and leakage of the filter 40 due to incorrect assembly.

As described in detail above, according to the filtration device for the drain pump of the washing machine of the present invention, the guide protrusion is formed in the filtration part of the filter, and the tapered guide part is formed in the filtration case so that the central axis is downward, so that the filter is formed in the filtration chamber. It can be easily installed only by inserting the inside, and the installation direction of the filtration unit is easily set and maintained only by the operation of rotating the filtration unit until it is positioned in the guide unit.

In addition, it is possible to prevent the loss of function and leakage of the filter due to incorrect assembly of the filter portion.

While the invention has been shown and described with respect to certain preferred embodiments thereof, the invention is not limited to the embodiments described above, and is typically defined in the art to which the invention pertains without departing from the spirit of the invention as claimed in the claims. Anyone with knowledge of the world can make many variations.

Claims (2)

As a filtration device for a drain pump of a washing machine for filtering foreign matter contained in the wash water, It is formed in a plate shape and a plurality of filtration hole 52 is formed, one end is formed with a filtration unit 50 having a guide projection protruding eccentrically from one side to the center at one side and the handle portion 60 on the other side A filter 40 formed; And An inlet port 21 to which the drain pipe 10 connected to the washing tank is connected and a drain port 23 to which the drain pump 30 is installed are formed, and the filtration unit 50 is disposed between the inlet port 21 and the drain port 23. A filtration chamber 25 to be installed is formed, and a guide portion 27 having an inner side of the guide groove 28 communicating with the filtration chamber 25 is formed on the outer circumferential surface thereof so that the guide protrusion 56 can be inserted therein. A filtration case 20, Filtering device for a drain pump of a washing machine, characterized in that the engaging pins 54 protrude from the edge of each of the filtration holes (52). The filtration apparatus for a drain pump of a washing machine according to claim 1, wherein the guide part (27) is formed such that the central axis (C) is tapered downward.

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