KR19990031341U - Filter dregs removal device of washing machine - Google Patents

Abstract

The present invention relates to a filter dreg removal device of a washing machine, and more particularly, to remove filter dregs of a washing machine, which is capable of removing and removing the dregs attached to the filter by a strong water pressure by improving the filter unit installed in the lower part of the washing machine. Relates to a device.

In particular, the bottom of the tank (2) and the filter device 10 is connected by a hose (9b) and the pump (9) is installed between the filter device 10 and the water pipe (8), the pump (9) A well-known washing machine provided with a drain valve (9a) in the rear, comprising a storage tank (20) for storing a predetermined amount of wash water above the hose (9b) connected to the water pipe (8), while cleaning the filter When the pump (9) is stopped and the drain valve (9a) is opened during the cycle, the countercurrent pump (21) is configured such that the strong countercurrent water pressure of the washing tank (20) is applied to the filter device (10). There is a feature installed between the storage tank 20 and the pump (9).

Description

Filter dregs removal device of washing machine

The present invention relates to a filter debris removing device of a washing machine, and more particularly, to improve filter device installed in the lower part of the washing machine, so that filter debris can be removed and removed by strong water pressure. It relates to a removal device.

1 is a schematic cross-sectional view of a conventional washing machine, in which a rectangular main body 10 and a water tank 2 in which a certain amount of washing water is dehydrated are suspended from a main body 1 by a hook rod 7. .

In addition, the cylindrical washing tank 3 is installed inside the water tank 2 in a rotatable state.

Washing tank (3) is formed a myriad of holes (3a) penetrating the side wall to flow the washing water supplied into the washing tank 3 toward the water tank (2) to match the water level of the washing tank (3) and the water tank (2) In addition, these holes (3a) discharges the washing water generated from the wet feeling in the dehydration process toward the water tank (2).

On the other hand, the stirring blade (4) is installed on the inner bottom of the washing tank (2) so that forward and reverse rotation is possible. Stirring blade (4) is to be rotated forward and reverse in the washing process, to stir the wash water supplied into the washing tank (3) to generate a rotary water flow.

In addition, a power switching means 6 which is rotated by the motor 5 is installed at the center of the bottom surface of the water tank 2. The power switching means 6 has a washing shaft (6a) and a dehydration shaft (6b) is formed on the upper side, the washing shaft (6a) is combined with the stirring blade (4) and the dehydration shaft (6b) on the bottom of the washing tank (3) Combined.

And the filter device 10 is installed on one side lower portion of the main body 1 and the watering pipe (8) for sprinkling the wash water into the washing tank (3) is formed on the top of the water tank (2).

Further, the bottom of the water tank 2 and the filter device 10 are connected by a hose 9b, and a pump 9 is installed between the filter device 10 and the sprinkling pipe 8, and the back of the pump 9 is drained. A valve 9a is installed to drain the wash water when dewatering.

In the conventional washing machine configured as described above, washing is carried out in a state in which laundry is contained in the washing tub 3 and the washing water is supplied.

In the washing process, when the motor 5 rotates forward and backward, its rotational force is transmitted to the power switching means 6 and decelerated by the power switching means 6, and then the rotational force is transmitted to the stirring blade 4 through the washing shaft 6a. do.

At this time, when the stirring blade (4) is rotated forward and reverse, the washing water causes a rotational water flow and the washing progresses while the laundry is rubbed against each other by the rotational water flow.

In addition, in the washing process, a part of the washing water is pumped toward the sprinkling pipe 8 above the washing tank 3, and the pumped washing water is sprayed into the washing tank 3. That is, when the pump 9 is operated, the washing water is filtered through the hose 9b connected to the bottom of the water tank 2 through the filter device 10, and the pumped washing water is pumped toward the water spray pipe 8 and the pumped washing water 3 It can be sprayed inside to improve washability.

After the washing is completed, the washing water is drained through the drain valve 9c, and then dehydration proceeds. When the motor 5 rotates at a high speed in the dehydration process, the washing shaft 6a and the dehydration shaft 6b are rotated together by the power switching means 6 at a high speed, and the washing tank 3 is rotated at a high speed.

Therefore, all of the laundry water is removed to complete the process associated with all the laundry.

2 is an excerpt sectional view of the filter device of the washing machine, which is formed inwardly on the bottom surface of the washing machine main body 1 and includes a filter box 10a having an inlet pipe 10b and an outlet pipe 10c on the other side thereof, and the filter box. The filter 11 embedded in the 10a and the foreign matter of the wash water is filtered out by the strainer 11b and the female threaded portion 11a is formed in the front, and the packing 13 fitted along the circumferential surface in front of the filter 11. ) And a cover 12 having a male screw portion 12a formed at a rear side thereof and a handle 12b formed at a front side thereof so as to correspond to the female screw portion 11a.

In addition, the inlet pipe 10b and the outlet pipe 10c are connected through a hose 9b.

In the filter device configured as described above, the filter 11 in the filter box 10a is fitted. At this time, the filter 11 is lightly pushed into the filter box 11a with the packing 13 fitted in the front circumferential surface of the filter 11.

Subsequently, when the male screw portion 12a formed at the rear of the cover 12 is inserted into the female screw portion 11a in front of the filter 11 and rotates in the screw locking direction using the handle 12b, the filter 11 front The packing 13 fitted on the circumferential surface is compressed to fix the filter 11 to the pult container 10a.

Then, when the wash water flows through the inlet pipe (10b), the foreign matter generated after washing in the strainer (11b) is filtered and the wash water is discharged to the hose (9b) again through the outlet pipe (10c).

Therefore, the user is very inconvenient for cleaning by separating the filter 11 from the filter box (10a) for a certain period of time to clean the strainer (11b) and then assembled and used in the same manner as described above.

Therefore, the present invention was created in view of the above problems, and improves the filter device installed at the lower part of the washing machine body, especially the residues attached to the filter by the strong water pressure through the additional backflow pump that causes the strong water pressure in the reverse direction. It is an object of the present invention to provide a filter debris removal device of a washing machine to remove and remove the.

1 is a schematic cross-sectional view of a general washing machine.

2 is a cross-sectional view of the filter device of a general washing machine.

3 is a schematic cross-sectional view of the present invention washing machine.

Figure 4 is an excerpt sectional view of the filter device to which the present invention is applied.

Explanation of symbols for the main parts of the drawings

2: water tank 8: water pipe

9: pump 9a: drain valve

10: filter device 20: storage tank

21: backflow pump

In order to achieve the above object, the present invention, the water tank bottom and the filter device is connected to the hose and the pump is installed between the filter device and the watering pipe, in the known washing machine provided with a drain valve behind the pump, A storage tank for storing a predetermined amount of wash water above the hose connected to the water spray pipe, while the pump is stopped during the filter cleaning cycle, and the washing water of the storage tank has a strong counter flow water pressure while the drain valve is opened. A backflow pump adapted to be applied to the filter device has a feature interposed between the storage tank and the pump.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the present invention will be described in detail.

Figure 3 is a schematic cross-sectional view of the washing machine of the present invention, Figure 4 is an exploded cross-sectional view of the filter device to which the present invention is applied. The same components as in the prior art will be described with the same reference numerals.

A rectangular main body 1 and a water tank 2 in which a certain amount of washing water is freshly installed are suspended from the main body 1 by a hook rod 7. In addition, the cylindrical washing tank 3 is installed inside the water tank 2 in a rotatable state. The washing tank 3 is formed with a number of holes (3a) through the side wall to flow the washing water supplied into the washing tank 3 toward the water tank (2) to match the water level of the washing tank (3) and the water tank (2) In addition, these holes (3a) discharges the washing water generated from the wet feeling in the dehydration process toward the water tank (2).

On the other hand, the stirring blade (4) is installed on the inner bottom of the washing tank (3) to enable reverse rotation. Stirring blade (4) is to be rotated forward and reverse in the washing process, to stir the wash water supplied into the washing tank (3) to generate a rotary water flow.

In addition, a power switching means 6 which is rotated by the motor 5 is installed at the center of the bottom surface of the water tank 2. The power switching means 6 has a washing shaft 6a and a dehydrating shaft 6b formed at the upper portion thereof, so that the washing shaft 6a is combined with the stirring blade 4 and the dehydrating shaft 6b is disposed on the bottom surface of the washing tank 3. Combined.

And the filter device 10 is installed on one side lower portion of the main body 1 and the watering pipe (8) for sprinkling the wash water into the washing tank (3) is formed on the top of the water tank (2).

In addition, the bottom of the water tank (2) and the filter device 10 is connected by a hose (9b), the pump 9 is installed between the filter device 10 and the water pipe (8), the drainage behind the pump (9) A valve 9a is installed to drain the wash water when dewatering.

In the above description of the conventional configuration, the present invention, if the present invention, the filter device 10 is added to remove the debris generated during the washing process.

That is, having a storage tank 20 for storing a predetermined amount of washing water above the hose (9b) connected to the sprinkling pipe (8), the backflow pump between the storage tank 20 and the pump (9) Install (21).

Here, the backflow pump 21 is configured to be operated in a state in which the drain valve 9a is opened with the pump 9 stopped during the filter cleaning cycle.

Referring to the operation of the subject innovation configured as described above in detail.

First, the laundry is put in the washing tank 3 and washing is performed in a state where the washing water is supplied.

In the washing process, when the motor 5 rotates forward and backward, its rotational force is transmitted to the power switching means 6 and decelerated by the power switching means 6, and then the rotational force is transmitted to the stirring blade 4 through the washing shaft 6a. do.

At this time, when the stirring blade (4) is rotated forward and reverse, the washing water causes a rotational water flow and the washing progresses while the laundry is rubbed against each other by the rotational water flow.

In addition, during the washing process, a part of the washing water is pumped toward the sprinkling pipe 8 above the washing tank 3, and the pumped washing water is sprayed into the washing tank 3. When the pump 9 is operated, when the wash water flows through the filter device 10, that is, the inlet pipe 23b through the hose 9b connected to the bottom of the water tank 2, the washing water is generated after washing in the strainer 22a. As the foreign matter is filtered out and the wash water flows out to the hose 9b through the outflow pipe 23c again, the pumped washing water is pumped toward the sprinkling pipe 8 while the foreign matter is filtered and the pumped wash water is sprayed into the washing tank 3 to improve the washability. do.

On the other hand, if the washing process as described above is repeated foreign matter filtered by the filter device 10 is attached to the strainer (22a), when the filter cleaning command according to the present invention is first applied to the operation of the pump (9) Stop Then, the water level between the wash water in the tank and the storage tank 20 is about to match, so the wash water flows back. At this point, the washing water subjected to strong hydraulic pressure by operating the backflow pump 21 flows into the strainer 22a of the filter device 10, thereby leaving the residue attached to the strainer 22a. Of course, opening the drain valve (9a) is discharged through the drain hose with the residue.

As described above, the present invention has the advantage of avoiding the removal of filter dregs by the conventional manual work by removing and removing the dregs attached to the filter by the strong water pressure through an additional backflow pump that causes strong water pressure in the reverse direction. It is a useful design that also improves the reliability of the product for adding functions.

Claims (1)

The bottom of the water tank 2 and the filter device 10 are connected by a hose 9b, and a pump 9 is installed between the filter device 10 and the sprinkling pipe 8, and a drain valve behind the pump 9 is provided. In the well-known washing machine provided with 9a), the pump includes a storage tank 20 for storing a predetermined amount of washing water above the hose 9b connected to the sprinkling pipe 8, and during the filter cleaning cycle. 9) and a backflow pump 21 for washing the washing water of the storage tank 20 with strong backflow water pressure to the filter device 10 while the drain valve 9a is opened. Filter dregs removal device of the washing machine, characterized in that installed between the pump (9) and.