KR19990010578U - Foreign body filtering device of washing machine - Google Patents

Abstract

The present invention relates to a foreign matter trapping device of a washing machine, wherein the dehydration tank rotates at a high speed to dehydrate the wash water penetrated to the laundry, and the dehydration to form a flow path through which the water flow is pushed toward the inner circumferential surface side of the dehydration tank by the rotating pulsator. The outer case disposed on the inner circumferential surface side of the tank, the pocket filter detachably disposed on the outer case so as to filter the foreign matter contained in the wash water flowing along the outer case, and the foreign matter is caught in the portion where the outer case and the dehydration tank contact. It is characterized in that the foreign matter trapping means is provided in the outer case and the dehydration tank to prevent the thing, and to improve the problem that the foreign matter picking performance of the low water level or lower by using the pocket filter at the same time to be able to install the pocket filter Foreign material can be prevented from being caught in the joint between the outer case and the dehydration tank. .

Description

Foreign body filtering device of washing machine

The present invention improves the structure of the foreign matter trapping device of the washing machine and increases the foreign matter collecting ability and at the same time relates to the foreign matter trapping device of the washing machine to improve the ability to collect fine foreign matter.

A conventional automatic washing machine has a main body 10 forming an external appearance as shown in FIG. 1, and an outer tub 20 for storing wash water is disposed inside the main body 10, and the outer tub 20 is disposed. A motor 30 driven by receiving power is disposed on an outer bottom surface of the outer surface of the outer tub 20, and a pulsator which receives a driving force through the belt 41 from the motor 30 via the belt 41. Or a power transmission device 40 for driving the dehydration tank is mounted, the dehydration tank 50 is rotatable in the outer tank 20 to dehydrate the laundry by centrifugal force according to the rotation of the power transmission device 40. Is mounted, the upper side of the dehydration tank 50 is provided with a balancer 60 to maintain the horizontal of the dehydration tank 50 so that the laundry is rotated even in a state in which dehydration is rotated to one side, the dehydration tank 50 In the bottom surface of the water inside the dehydration tank 50 The pulsator 70 is rotatably disposed to form a flow of water in the dissolved wash water, and is stored in the outer tank 20 by a water level sensor not shown in the upper part of the main body 10. Water supply means 80 for detecting the water level of the wash water and supplying the wash water according to the laundry into the outer tub 20 is disposed, and the lower one side of the outer tub 20 is contaminated laundry generated during washing and rinsing. Drainage means 90 for discharging water is disposed.

Inside the dehydration tank 50 is provided with a guide tube 100 for guiding the water flow upward as the pulsator 70 rotates, and a balancer 60 coupled with the end of the guide tube 100. The discharge port 61 is formed at the inner side of the discharge pipe to discharge the upward flow guided through the guide tube 100 to the inner center of the dewatering tank 50 to form a waterfall flow. Filter bag 110 for filtering foreign matters of the laundry flowing by the water flow is disposed.

The automatic washing machine configured as described above puts laundry and detergent in the dehydration tank 50, selects the operating conditions by an operation unit (not shown), and operates the washing machine. The washing water is supplied into the outer tank 20 through the water supply means 80. When the washing water supplied into the outer tub 20 reaches an amount necessary to wash the laundry introduced into the dehydration tank 50, the motor 30 starts to rotate, and the rotational force of the motor 30 is the belt 41. It is transmitted to the power transmission device 40 through, the power transmission device 40 receives the rotational force of the motor 30 to decelerate, and then rotates the pulsator 70 to be stored in the dehydration tank 50 to flow water It forms and washes.

That is, as the pulsator 70 rotates, the washing water introduced into the dewatering tank 50 rises at the edge of the pulsator 70 and forms a water and sewage stream descending to the center of the pulsator 70 to perform washing. Do it. At this time, the water flow of the bottom portion of the dehydration tank 50 is pushed toward the inner circumferential surface of the dehydration tank 50 by the rotational force of the pulsator 70 and ascending along the guide tube 100, the balancer 60 of the The washing effect is increased by pouring down into the inner central portion of the dehydration tank 50 through the discharge port 61 and the filter bag 110 formed at one side, and the laundry is filtered by the filter bag 110.

When washing is completed in this way, the contaminated washing water stored in the outer tank 20 and the dehydration tank 50 is turned on (opened) while the solenoid valve (not shown) disposed in the lower part of the outer tank 20 is drained. Through 90).

Then, when the drainage of the wash water is completed, the solenoid valve (not shown) is turned off and the rinsing wash water is supplied into the outer tub 20 through the water supply means 80. Next, when the water level required for rinsing the laundry is reached, the pulsator 70 rotates clockwise and counterclockwise according to the driving force of the power transmission device 40 which has received the driving force of the motor 30 as described above. Rinse off any dirt and detergent from your laundry.

When the final rinsing stroke is repeated by repeating such a rinsing cycle a plurality of times, the rinsing completed wash water stored in the outer tank 20 and the dehydration tank 50 is discharged to the outside through the drainage means 90. At this time, the dehydration tank 50 rotates in one direction according to the driving force of the power transmission device 40 to dehydrate the wash water and the wash water permeating the laundry in the dehydration tank 50.

However, the conventional washing machine configured as described above has a problem that the baggage purifying filter bag 110 is disposed at the upper side of the dehydration tank 50 so that the foreign matter collection performance is reduced when washing at a low water level or less. There was a problem that the harvesting capacity is poor.

Accordingly, an object of the present invention is to improve the structure of the foreign matter trapping means to improve the foreign matter collecting ability and at the same time to provide a foreign matter trapping device of the washing machine to improve the ability to collect fine foreign matter.

1 is an overall longitudinal cross-sectional view schematically showing the configuration of a conventional washing machine;

2 is a partial cross-sectional view showing a state in which the foreign material filtering means of the washing machine according to an embodiment of the present invention;

Figure 3 is an exploded perspective view showing the separation of the foreign matter means of the washing machine according to an embodiment of the present invention,

Figure 4 is a perspective view showing a foreign matter trapping means of the washing machine according to an embodiment of the present invention from the inside,

Figure 5 is a cross-sectional view showing a state in which the foreign matter trapping means according to an embodiment of the present invention is disposed inside the dehydration tank.

Explanation of symbols in the main part of the drawings

50: dehydration tank 200: foreign body filtering means

300: outer case 400: pocket filter

630: discharge path 800: foreign matter trapping means

810: extension 820: closed surface

The foreign body filtering device of the washing machine according to the present invention made to achieve the above object is a dehydration tank for dewatering laundry water that is rotated at high speed and flows to the inner circumferential surface side of the dehydration tank by a rotating pulsator. An outer case disposed on the inner circumferential surface side of the dehydration tank, a pocket-type filter detachably disposed on the outer case to filter foreign matter contained in the wash water flowing along the outer case, and the outer case and the dewatering tank are in contact with each other. It is characterized in that the foreign material to prevent the foreign substances caught in the outer case and the dehydration tank to prevent the foreign substances caught in the part.

Hereinafter, a preferred embodiment of the present invention will be described in more detail according to the accompanying drawings, FIGS.

2 to 5, a pulsator 70 is formed at the bottom of the dehydration tank 50 to rotate the clockwise or counterclockwise direction to form a water stream for washing. One side of the inner circumferential surface 50 is provided with a foreign matter filtering means 200 for filtering laundry residues generated during washing.

The foreign material catching means 200 is composed of an outer case 300 for forming a flow path, and a pocket-type filter 400 detachably disposed inside the outer case 300 to collect the foreign matter, the pocket filter 400 ) Is a front grill plate 420 formed with a plurality of outlets 421 so that the washing water is discharged to the central side of the dehydration tank 50 and at the same time a plurality of front screens 410 for filtering foreign matter is disposed, and the front The rear grill plate is coupled to one side of the grill plate 420 to drain the washing water to the inner peripheral surface side of the dehydration tank 50 and at the same time a plurality of outlets 441 are formed so that a plurality of rear mesh 430 to filter foreign matter 440 and the check valve 450 disposed below the rear grill plate 440 to prevent foreign substances collected between the front grill plate 420 and the rear grill plate 440 from being discharged to the outside. Consists of, the front grill plate 420 and the rear grill plate 440 is One side is rotatably coupled by the hinge means 460 to facilitate cleaning, the hinge means 460 is a hinge groove 461 formed on the inner surface side of the front plate 420, and the hinge groove 461 It consists of a hinge protrusion 462 protruding on the outer surface side of the back plate 440 so as to be rotatably inserted into the), the front screen 410 of the front grill plate 420 on the surface of the outer case 300 A plurality of outflow holes 310 are formed to allow the passed washing water to flow out to the central side of the dehydration tank 50. The washing water rises by the rotational force of the pulsator 70 inside the outer case 300. Guide portion 320 is formed to guide the flow of the flow toward the rear grill plate 440, the inner side of the outer case 300 is the back of the flow of the wash water is increased by the rotational force of the pulsator 70 Guide portion 320 is guided to guide the grill plate 440 toward the mold It is, and the guide part 320, the other flow path and reduction unit 330 side so as to increase the flow rate of the portion to be engaged with the pocket filter 400 is formed is formed to be inclined.

The pocket filter 400 is formed at a rear side of the pocket filter 400 to form a discharge path 630 for smoothly draining the wash water passing through the inside of the pocket filter 400 to the rear of the pocket filter 400. Discharge path forming parts 610 and 620 are protruded from the upper side of the front grill plate 420 and the inner lower side of the outer case 300, and both sides of the outer case 300 and one side of the dewatering tank 50. The outer case 300 and the dehydration tank 50 is provided with a foreign matter trapping means (800) to prevent foreign matter from entering into the contact portion, the foreign matter trapping means (800) is the pocket filter 400 The combined portion (F) of the outer case 300 and the dehydration tank 50 by collecting the washing water discharged through the rear side of one side to increase the water pressure to correspond to the pressure of the water stored on the outside of the outer case 300 To prevent foreign objects from entering The extension part 810 formed on both sides of the outer case 300 and the dewatering tank 50 to discharge the entire amount of the wash water discharged to the rear side of the pocket filter 400 to the extension part 810 side. It consists of a closed surface 820.

Ends of the discharge path forming parts 610 and 620 are curved to contact the inner circumferential surface of the dehydration tank 70.

Reference numeral 423 denotes a handle for easily detaching the pocket filter 400 from the outer case 300, and reference numeral 640 denotes a dewatering tank 50 for draining the wash water discharged to the extension portion 810. The outlet hole discharged to the outside of this is shown.

Next will be described the operation and effects on the foreign matter trapping device of the washing machine according to the present invention configured as described above.

During the washing stroke, as the pulsator 70 is rotated by a power transmission device (not shown), the water flow at the bottom of the dewatering tank 50 is pushed toward the inner circumferential surface of the dewatering tank 50 and along the outer case 300. The raised water flow is injected toward the rear grill plate 440 by the guide part 320 formed inside the outer case 300 and circulated upward along the rear grill plate 440 and at the same time the front mesh member 410. And discharged to the outside of the pocket filter 400 through the rear mesh member 430, foreign matter collected between the front grill plate 420 and the rear grill plate 440 is pushed up to the pocket filter 400 The collecting state proceeds from the top to the bottom of the bottom.

At this time, the wash water drained through the back network 430 of the pocket filter 400 is drained through the discharge passage 630 formed on the rear side of the pocket filter 400, the drained to the discharge passage 630 side Water is not discharged to the outside of the dehydration tank 50 by the closing surface 820 formed in the dehydration tank 50, the pressure is increased according to the meeting toward the extension 810 formed on both sides of the outer case 300 Therefore, by counteracting the pressure of the water stored on the outside of the outer case 300, the foreign matter is prevented from flowing through the coupling portion (F) of the outer case 300 and the dehydration tank (50).

When the washing after draining is discharged to the inlet side of the pocket filter 400, at this time, the foreign matter is blocked by the check valve 450 is blocked.

After dehydration is completed, the dehydration proceeds, the foreign matter collected in the pocket filter 400 by the centrifugal force is attached to the rear side of the pocket filter 400, the foreign matter attached to the rear side of the pocket filter 400 is the next washing stroke is in progress As a result of being separated from the back of the pocket filter 400 by the jet pressure of the washing water is moved to the front, the foreign materials are sequentially stacked.

As described above, according to the foreign matter trapping device of the washing machine according to the present invention, the use of the pocket type filter improves the problem of deterioration of the foreign matter collection performance below the low water level, and at the same time, it is possible to install the pocket type filter and the dewatering tank and Foreign matter can be prevented from being caught in the coupling portion of the.

Claims (2)

A dewatering tank which spins at high speed and dehydrates the wash water, The outcase disposed on the inner circumferential surface side of the dehydration tank so as to form a flow path in which the water flow is pushed to the inner circumferential surface side of the dehydration tank by the rotating pulsator, and the out to filter the foreign matter contained in the wash water flowing along the outcase Pocket-type filter detachably attached to a case, The foreign material trapping device of the washing machine, characterized in that the foreign material is prevented from being caught in the outer case and the dewatering tank to prevent the foreign material is caught in the contact portion of the outer case and the dehydrating tank. The method of claim 1, The foreign matter trapping means gathers the wash water discharged through the rear side of the pocket-type filter to one place to increase the water pressure to correspond to the water pressure of the water stored on the outside of the outer case, the foreign material is introduced through the coupling portion of the outcase and the dehydration tank Extensions formed on both sides of the outer case to prevent the The foreign material filtering device of the washing machine, characterized in that the closed surface formed in the dehydration tank so that the entire amount of the wash water discharged to the rear side of the pocket-type filter is discharged to the extension side.