KR0122994Y1 - Cleaning device of a washing machine - Google Patents

Abstract

The washing apparatus of the washing machine, in order to solve the problem that the laundry is gathered or tangled in the center of the conventional washing, to form a pump in a predetermined position inside the case to discharge the washing water discharged through the outlet of the washing tank formed in the pulsator By forcibly ejecting to the ball, not only to prevent the twist of the laundry, but also to reduce the friction with the pulsator of the laundry to the maximum to prevent damage to the laundry.

In addition, the laundry is prevented from being twisted to one side to reduce noise and vibration.

Description

Washing device of washing machine

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

2 is a schematic cross-sectional view showing a washing apparatus of a washing machine according to the present invention.

FIG. 3 is a plan view of the support of FIG. 2 taken along line II-II. FIG.

Figure 4 is an enlarged cross-sectional view of the oil seal shown in FIG.

5 is an enlarged cross-sectional view of the packing part shown in FIG.

* Explanation of symbols for main parts of the drawings

10: body 11: washing tank

12: pulsator 13: dehydration tank

13a: projection 14: drive

15 heating element 16 case

17, 17a: outlet 17b: discharge pipe

18: overflow pipe 19: drive shaft

20: drive motor 21: belt

22: power division transmission unit 23: dewatering

24: bracket 25: discharge hose

26: pump 27: inlet hose

28,31a: inlet 29: fixed screw

30: cover 31: support

31b: close contact 32: oil seal

33: Packing 33a: protrusion

The present invention relates to a washing device for a washing machine, and more particularly, a pump is provided inside the case of the washing machine, and the washing water discharged through the outlet of the washing tank is discharged through a pulsator provided in the dehydrating tank. By spraying, it prevents the centering of laundry and eliminates kinks and entanglement of the laundry, and also floats the laundry during washing to minimize the friction between the rotating pulsator and the laundry, thus preventing damage to the laundry. It is about.

In general, the fully automatic washing machine, which has become a necessity for modern people as the industry develops, programes washing and rinsing, drainage, and dehydration in the control part of the washing machine in advance, and the program is selectively washed by the user. It is possible to control the driving, so that the laundry can be washed automatically.

Conventionally, as shown in FIG. 1, the washing tank 11 is fixedly installed inside the main body 10 of the washing machine and stores the washing water required for washing in a fixed amount, and is installed inside the washing tank 11. It consists of the dehydration tank 13 which has the pulsator 12, and the drive part 14 which drives the said pulsator 12 and the dehydration tank 13 to rotate.

In addition, a heating member 15 provided on the inner bottom of the washing tank 11 to directly heat the washing water is configured, and these components are protected and supported by the box-shaped case 16.

The lower side of the washing tank 11 is provided with an outlet 17 for draining the washing water in the washing tank 11, and the outlet 17 is provided with an overflow pipe provided at one side of the washing tank 11. According to 18), it is possible to drain the wash water naturally due to a malfunction in the water supply of the wash water.

On the other hand, the pulsator 12 and the dehydration tank 13 is installed in the drive shaft 19 of the old window 14, the drive motor 20 and the drive motor 20 to generate power by the drive motor (20) Equipped with a power distribution unit 22 for driving the pulsator 12 and the dehydration tank 13 receives the operation of the belt 21, the outer peripheral wall can drain the wash water during drainage and dehydration administration A plurality of dehydration holes 23 are provided.

The heating member 15 is provided on the bottom of the washing tank 11 so as to be supported by the bracket 24, and is configured to heat the washing water in the washing tank 11 to the boiling point.

The washing apparatus of the conventional fully automatic washing machine configured as described above is controlled by a control unit pre-programmed for each operation process of the washing machine, and when washing water is supplied from a water supply unit (not shown) provided at the rear of the main body, The water is supplied into the washing tank 11 through an open water inlet (not shown), and the water supply is automatically cut off by the water level detection unit when the supplied washing water is completed at a predetermined level in the washing tank 11.

Then, when the water supply is cut off, the rotational power of the driving motor 20 is transmitted to the pulsator 12 and the dehydration tank 13 through the power division transmission unit 22, so that the pulsator 12 and the dehydration tank ( 13) is driven according to the program to sequentially perform washing and rinsing, draining and dehydrating strokes.

On the other hand, during washing and rinsing, the dehydration tank 13 is stopped and only the pulsator 12 is rotated left and right to perform the washing process, and during dehydration, the pulsator 12 and the dehydration tank 13 are rotated at the same speed. Rotation in one direction to perform the dehydration process.

In addition, when the laundry is to be boiled by washing the heating member in the washing tank 11 by a program input by the user operating the selection switch of the control unit (not shown) in the state in which the washing water is supplied to the washing tank 11. 15 is driven to heat, the washing water in the washing tank 11 is maintained at a constant temperature to wash the boil.

However, the washing apparatus of the conventional automatic washing machine according to the prior art, when the washing and rinsing of the laundry, the flow of the washing water is driven to the center by the rotation of the pulsator, causing the laundry to be entangled and entangled. The laundry is biased to one side, which causes a problem of noise and vibration.

In addition, a relatively thin laundry (silk, stockings, etc.) is damaged due to friction between the laundry and the rotating pulsator during washing.

The present invention is to solve the above problems, the object of the present invention, by washing the water discharged through the discharge port of the washing tank through the pulsator gushing hole provided in the dehydration tank using a pump, washing water The flow of water is circulated from the center to the outside to prevent twisting and entanglement of the laundry, as well as to minimize the frictional force with the rotating pulsator that floats the laundry through the jet hole to prevent damage to the laundry. It is to provide a washing device of a washing machine.

Washing device features of the washing machine according to the present invention for achieving the above object, a washing tank for storing a certain amount of washing water required for washing, a dehydration tank installed in the washing tank and equipped with a pulsator in the lower side, the washing tank A washing machine installed at an outer lower portion of the washing machine and having a driving shaft for driving a pulsator and a dehydration tank, the washing machine discharged through a discharge port and a discharge hose provided at one side of the washing tank to a dehydration tank, and ejected by the pump Inlet hose and inlet for guiding the washing water, the cover is provided with a leakage preventing member for preventing the leakage of the wash water guided through the inlet hose and the inlet, a guide member for guiding the wash water passing through the cover The support is provided with a pulsar formed with a plurality of ejection holes for ejecting the wash water passed through the support And, comprising the pulsator, and the dehydrated Joe provided that it has a projection for preventing the coins and the foreign objects introduced into the lower portion.

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

2 is a cross-sectional view schematically showing a washing machine of the washing machine according to the present invention, the washing machine is fixed to the inside of the main body 10 and the washing tank 11 for storing a certain amount of washing water required for washing, and the washing tank 11 It includes a pulsator 12 is installed in the interior and has a plurality of ejection holes (12a), the dehydration tank 13 is provided with a protrusion (13a) for preventing the input of coins and foreign matter.

In addition, the pulsator 12 and the dehydration tank 13 are connected to the drive shaft 19 formed in the lower part, and these are to be protected and supported by the box-shaped case 16.

On the other hand, the discharge port (17a) provided on one side of the lower end of the washing tank 11 is connected to the pump 26 by the discharge hose 25, the pump 26 is one side is inlet 28 and the inlet 28 by the inlet hose (27) Connected, and the other side is connected to the discharge pipe (17b). In addition, even when coupled to the washing tank 11 and the fixing screw 29, the cover 30 and the cover 30 is sealed inside the support 30, the other side is the support coupled to the dehydration tank 13 The dehydration tank 13 is supported and fixed by 31.

And, the support 31 is coupled to the drive shaft 19 as a fixed screw 29, as shown in Figure 3, the spout 12a of the pulsator 12 to wash the water jetted by the pump 26 There are a plurality of inlets (31a) for guiding to).

FIG. 4 is an enlarged cross-sectional view of the oil seal shown in FIG. 2, and a close contact portion 31b is provided between the cover 30 for preventing leakage and the support 31 for supporting the dewatering tank. The part 31b is coupled with the oil seal 32 to prevent leakage of the wash water introduced through the inlet 28.

5 is an enlarged cross-sectional view of the packing part shown in FIG. 2, one side of which is in close contact with the washing tank 11 to prevent leakage of the wash water at the lower end of the sealed cover 30, and the other side of the packing part of FIG. The packing 33 is provided with a plurality of protrusions 33a in contact with the sealed cover 30.

The washing device of the washing machine according to the present invention configured as described above is supplied with a predetermined amount of washing water through a water supply port (not shown) after the laundry is put into the washing tank 11 and the drive shaft 19 by the driving source. This rotation is performed to sequentially perform washing and rinsing operations. At this time, when the wash water discharged through the discharge port (17a) provided on one side of the washing tank 11 is transferred to the pump 26 by the discharge hose 25, the washing water is introduced into the inlet hose (27) by the operation of the pump 26 Through the inlet (28).

On the other hand, the washing water sprayed through the inlet 28 is discharged through the cover 30 and the support 31, the inner space is sealed to the jet hole (12a) formed in the pulsator 12 of the dehydration tank (13) Done. At this time, the washing and rinsing operations are sequentially performed while the pulsator 12 rotates the laundry suspended by the washing water jetted through the jet hole 12a. In addition, the oil seal 32 formed on the upper side of the cover 30 in which the inner space is sealed and the packing 33 provided with the plurality of protrusions 33a formed on the lower side prevent leakage of water when the cover passes through the wash water.

On the other hand, after washing and rinsing, the dehydration tank 13 is rotated in a predetermined direction by the drive shaft 19 to dehydrate the laundry. The dewatered sewage is discharged from the case through a discharge pipe 17b connected to the pump 26. 16) It is discharged out.

As described above, according to the washing apparatus of the washing machine according to the present invention, by forcibly discharging the washing water discharged through the discharge port of the washing tank in which the laundry is to be contained into the jet hole provided in the pulsator by the pump, the laundry is prevented from being twisted and entangled. In addition to washing evenly, the laundry is suspended by the jetted water, thereby reducing the friction with the pulsator to the maximum, thereby preventing damage to the laundry.

Claims (4)

A washing tank for storing a certain amount of washing water required for washing, a dehydration tank installed in the washing tank and provided with a pulsator in the lower side of the inner side of the washing tank, and a drive shaft installed at an outer lower side of the washing tank for driving the pulsator and the dehydration tank. In the washing machine, a pump for discharging the washing water discharged through one side of the washing tank and the discharge hose to the dehydration tank, an inlet hose and inlet for guiding the washing water discharged by the pump into the dehydration tank, the inlet hose and the inlet Cover provided with a leakage preventing member for preventing the leakage of the wash water guided through, a support having a guide member having an inlet for guiding the wash water passed through the cover, the washing water passing through the support Pulsator formed with a plurality of ejection holes to include, including the pulsator, coins and foreign material to the bottom Cleaning device of a washing machine with a dewatering tank to prevent the input. The washing apparatus according to claim 1, wherein the guide member has a plurality of inlets for guiding the washing water jetted by the pump to the jet hole of the pulsator. The washing apparatus according to claim 1, wherein the leak preventing member has an oil seal formed at a contact portion between the contact portion formed on one side of the support and the cover to prevent leakage of the wash water introduced through the inlet. The washing apparatus according to claim 1, wherein the packing provided on one side of the cover is provided with a plurality of protrusions to prevent leakage of the wash water.