KR100305057B1 - washer - Google Patents

Abstract

The washing machine according to the present invention includes a circulation passage for guiding the washing water in the washing tank and the dehydration tank to rise along one side of the wall surface of the dehydration tank by the pumping pressure, and the washing water is circulated and sprayed back to the dehydration tank through the injection hole formed at the top of the circulation passage. In the washing machine provided with a strainer for filtering foreign matters such as lint and the like contained in the wash water, a portion of the washing water is sprayed strongly toward the outer circumferential surface of the strainer at one side of the injection port toward the outer peripheral surface of the strainer At least one auxiliary injection hole is installed inside the strainer so as to remove the oil film formed by debris such as lint, so that the filter cleaning cycle of the strainer can be extended, and the filter rate can be increased. It is possible to filter more foreign matter such as lint in the water.

Description

washer

The present invention relates to a washing machine, and more particularly, when circulating the washing water (eg, tap water, a mixture of tap water and detergent) at the bottom of the washing tank by the pumping pressure generated during operation of the washing machine, the washing water is included in the washing water. It relates to a washing machine for filtering foreign matters such as lint and the like by a strainer.

Conventionally, a washing machine is disclosed in Japanese Laid-Open Patent Publication No. Hei 7-8680 (Notified Date; 1995.1.31). As shown in FIG. 1, a washing machine 20 of the washing machine 20 is provided with a plurality of damper means 30 in the washing machine body 10 so as to buffer vibrations transmitted to the washing machine body 10 during washing and dehydration. It is mounted by hanging at a predetermined height, and the motor 40 is mounted on one side of the outer bottom surface of the washing tub 20 so as to be driven by power, and the center of the outer bottom surface of the washing tub 20 40 is a power transmission means 60 is mounted to be driven by receiving a driving force from the belt 50 through the medium.

In addition, the washing tank 20 is equipped with a dehydration tank 70 so as to dewater the water absorbed by the laundry by centrifugal action while being rotated by receiving the driving force of the power transmission means 60, the dehydration tank ( 70, the bottom of the power transmission means 60 receives the driving force of the power transmission means 60 while forming a water flow (vortex phenomenon) in the wash water supplied in the dehydration tank 70 and at the same time to agitate the received laundry to wash. The pulsator 80 is rotatably mounted, and the detergent granules introduced by the water pressure of the tap water to be supplied to the upper rear side of the washing machine body 10 are dissolved into dense particles, and the washing tank 10 and the dehydrating tank 70. Detergent dissolving means (90) is mounted to be supplied.

The lower end side of the washing tank 20 is equipped with a water level sensing means 100 to properly adjust the water level by the air compressed by receiving the pressure of the tap water supplied in the washing tank 20, the washing machine body 10 On the rear side of the top cover 110 to cover the top of the water supply means 120 connected to the faucet (not shown) on one side to supply and block the tap water in the washing tank 20 under the control of the water level sensing means 100 is The drainage means 130 is mounted at one side of the bottom of the washing tub 20 to drain and block the contaminated water in the washing tub 20 to the outside of the washing machine body 10.

On the other hand, the inner side of the inner wall of the dehydration tank (70) by the force generated in accordance with the rotation of the pulsator 80, the circulation flow path so that the washing water of the bottom of the dehydration tank (70) is circulated to the upper end of the dehydration tank (70) 70a are respectively provided, and the injection holes 70b are respectively provided in one predetermined area such that the washing water dropped along the circulation passage 70a is dropped onto the center of the dehydration tank 70 at the upper end of the circulation passage 70a. Opening, the injection hole (70b) is provided with a strainer (70c) to filter foreign matter, such as lint in the washing water to be injected.

However, in the conventional washing machine configured as described above, the strainer 70c is washed with the washing water in the dewatering tank 70 along the circulation passage 70a by the pumping pressure and circulated back to the dewatering tank 70 through the injection port 70b. When foreign matters such as lint in the wash water is filtered, the strainer (70c) is easily clogged inside by a small amount of foreign matter such as lint as shown in Figure 2 even in a short use period of 2-3 times. Since the oil film phenomenon is caused, the filter cleaning cycle is shortened, and the filter rate is significantly lowered.

Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to prevent the occurrence of oil film by a large amount of foreign matter, such as lint, even when using a strainer for a long time to extend the filter cleaning period to a long, filter rate To provide a washing machine to improve the.

Washing machine according to the present invention made to achieve the above object, the washing tank and the washing water in the dewatering tank is guided so as to rise along the one side of the wall surface of the dehydration tank by the pumping pressure, and washing through the injection port formed on the top of the circulation passage In the washing machine provided with a strainer for filtering foreign matter such as lint and the like contained in the wash water when the water is circulated again to the dehydration tank, one side of the injection port is a part of the washing water that rises along the circulation flow path if the outer circumference of the strainer It is characterized in that at least one auxiliary injection port is installed so as to be strongly sprayed in a multi-directional direction to eliminate the oil film phenomenon formed by foreign matter such as lint and the like inside the strainer.

1 is a cross-sectional view of a washing machine shown by applying a foreign matter trapping structure according to the prior art,

Figure 2 is a detailed view showing the interior of the strainer for the portion A of Figure 1,

3 is a cross-sectional view of the washing machine shown by applying the foreign matter trapping structure according to the present invention;

FIG. 4 is a detailed view illustrating the inside of the strainer net for part B of FIG. 3.

Explanation of symbols on the main parts of the drawings

70: dehydration tank 70a: circulation passage

70b: nozzle 70c: strainer

150: auxiliary injection port 151,152: first and second fine holes

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

For reference, the same components and the same reference numerals are assigned to the same components as the conventional components in the drawings, and detailed description thereof will be omitted.

In the drawing, reference numeral 150 denotes that some washing water is sprayed to the injection hole 70b when the washing water in the dehydration tank 70 is elevated along the circulation flow path 70a and circulated to the dehydration tank 70 again through the injection port 70b. At least one auxiliary formed on the injection hole 70b side to be strongly sprayed in multiple directions toward the outer circumferential surface of the installed strainer 70c to eliminate the oil film formed by foreign matter such as lint on the inside of the strainer 70c The injection port is shown.

That is, the auxiliary injection hole 150, as shown in Figures 3 and 4, respectively disposed in the passage smaller than the passage of the injection hole 70b at the upper end and the lower end of the injection hole 70b, the outer side of the strainer 70c A plurality of first and second fine holes 151 and 152 are respectively formed to strongly spray a part of the wash water toward the circumferential surface in a shower method.

Next, the operation and effect of the present invention configured as described above will be described.

When the pulsator 80 is reversed left and right during the washing operation, the bottom side washing water of the dehydration tank 70 forms a radially strong stream of water according to the rotational force of the pulsator 80 and at the same time the dehydration tank 70. It is vertically raised by a high speed and a high pumping pressure through the lower opening of the circulation passage 70a installed at a plurality of inner wall positions of the inner wall, and the washing water reaching the uppermost end of the circulation passage 70a is inside the dehydration tank 70. Through the injection port 70b and the auxiliary injection port 150 formed at the top of the circulation passage 70a to be directed to the dehydration tank 70 is repeated.

At this time, most of the washing water passing through the injection hole (70b) having a wide passage flows into the interior of the strainer (70c) connected to the end of the injection hole (70b), where foreign matters such as lint and the like contained in the wash water strainer (70c) Filtered by the thick surface of the), and the pure wash water passes through the thick surface of the strainer (70c) to cause an oil film phenomenon as the foreign matter such as lint evenly distributed on the inner surface of the strainer (70c).

However, foreign matters such as lint and the like adhered to the inner surface of the strainer 70c may include a plurality of first and second fine holes 151 and 152 formed at upper and lower ends of the injection hole 70b. In the multi-direction is sprayed by the washing water strongly hit the outer peripheral surface of the strainer (70c) by falling into the thick surface of the strainer (70c) is a smooth passage of the wash water.

Accordingly, the strain screen 70c is sprayed from a plurality of first and second fine holes 151 and 152 and the wash water hitting the inner surface of the strain net 70c by its thickness surface is sprayed from the injection port 70b The oil film does not always occur due to the irregular impact force of the wash water that strikes the outer surface of the 70c, so that the filter cleaning cycle of the strainer 70c can be extended, as well as the filter rate is increased. It is possible to filter more foreign matter such as lint.

As described above, in the washing machine according to the present invention, the strainer is sprayed from the injection hole and hit the inner surface of the strainer, and the spraying water is sprayed in multiple directions from the auxiliary injection sphere to impinge on the outer surface of the strainer irregular impact force By keeping the thick surface to prevent clogging by foreign matters such as lint, the filter cleaning cycle of the strainer can be extended, and the filter rate can be increased to filter more foreign matters such as lint in the wash water. Has an effect.

Claims (2)

The circulation passage 70a for guiding the washing water in the washing tank 20 and the dehydration tank 70 to rise along one side of the wall surface of the dehydration tank 70 by the pumping pressure, and an injection hole formed at the top of the circulation passage 70a. In the washing machine provided with a strainer (70c) for filtering foreign matter such as lint and the like contained in the wash water when the wash water is circulated through the 70b) to the dehydration tank 70, Some of the washing water rising along the circulation passage 70a at the upper end and the lower end of the injection hole 70b is strongly sprayed in multiple directions toward the outer circumferential surface of the strainer 70c, and the lint is applied to the inside of the strainer 70c. Washing machine, characterized in that at least one or more auxiliary injection holes (150) consisting of a plurality of fine holes (151, 152) is installed so as to eliminate the film phenomenon formed by the foreign matter. The method of claim 1, The auxiliary injection port is a washing machine, characterized in that disposed in each passage smaller than the passage of the injection port.