KR20060136159A - Tub of a drum-type washing machine - Google Patents

Abstract

Disclosed is a tub of a drum washing machine in which washing water and foam stored in the tub are smoothly drained. A water collecting unit in which washing water or foam is stored is formed at a lower portion of the tub in which a drum accommodating the laundry is rotatably installed inside. The lower portion of the water collecting unit is formed with a drain so that the wash water or foam can be discharged. At both edges of the water collecting portion, ribs protrude from the curved washing water film so that washing water or foam is easily drained to the drain. By such a configuration, the dewatered washing water and the foam are blocked from moving along the inner wall of the tub by the rotational force of the drum, and as a result, the drainage pump is smoothly pumped and washed as the washing water and the foam are recovered to the water collecting part. Water and foam can be drained smoothly.

Drum Washing Machine, Tub, Washing Barrier Rib, Drain

Description

Tub washing machine tub {TUB OF A DRUM-TYPE WASHING MACHINE}

1 is a tub perspective view of a drum washing machine according to a preferred embodiment of the present invention;

Figure 2 is a side sectional view schematically showing a drum washing machine to which the present invention is applied;

3 is a cross-sectional view showing the operation state of the tub and the drum during dehydration of the drum washing machine according to an embodiment of the present invention;

4 is a side sectional view schematically showing a drum washing machine according to the prior art; And

5 is a cross-sectional view showing an operation state of the tub and the drum during dehydration of the drum washing machine according to the prior art.

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

20: tub 22: water collecting part

24: drain hole 26: washing water curtain rib

30: Drum A: Drum Washing Machine

The present invention relates to a tub of a drum washing machine, and in particular, a washing film is formed at the lower end of the inner wall of the tub to form a rib to prevent washing and dewatered water from being collected from the collecting part by the rotational force of the drum to wash the tub outside. And relates to a tub of the drum washing machine that can be made to smoothly drain the foam.

In general, while washing the drum by the impact energy by rotating the cylindrical drum from the horizontal from the inner space of the tub in which the wash water is stored from the top to the bottom of the drum in this process is damaged by the twist of the laundry Compared with the pulsator type washing machine or the edge data type washing machine, the washing water is relatively smaller than the pulsator type washing machine or the edge data type washing machine.

4 and 5, the conventional drum type washing machine 200 has a tub 120 installed horizontally from the top of the base 110 in the cabinet 100, and the tub 120. A drum 130 for providing a laundry space is rotatably installed in the interior thereof, and a driving motor 140 for rotating the drum 130 is installed at the rear of the tub 120.

Along with the tub 120, a detergent container for supplying a laundry detergent and the like, including a water supply hose 150 for controlling the wash water supplied from the outside, a water supply valve 156, and a laundry aid such as a fabric softener, is illustrated. ) Is provided, and the door 160 is installed to open and close at the front of the drum 130, and a gasket 170 for preventing leakage of the wash water is provided between the door 160 and the inlet of the tub 120. Is installed.

In addition, the lower end of the tub 120 is connected to the drain pump 180 and the drain hose 190 so that the washing water is discharged.

1 and 2, a collecting part 122 in which washing water and foam are stored is formed at the lower part of the tub 120, and washing water and foam is washed out of the tub at the lower part of the collecting part 122. A drain 124 is formed to be discharged.

Here, the water collecting part 122 is extended to both sides from the lower center of the tub 120 so that the washing water and the foam are stored.

The drum washing machine 200 having the structure as described above is typically provided with a drying function to dry the laundry by spraying hot air into the drum in accordance with the operation of the heat transfer heater and the blower fan after washing and dehydration.

In the drum washing machine 200 configured as described above, water is supplied to the drum 130 when the washing machine is driven by setting the desired washing mode after the laundry is put into the drum 130, and the drum 130 is rotated to wash the washing machine. This is going on.

When the washing stroke is completed, the drain pump 180 is pumped so that the wash water and the foam in the tub 120 are discharged to the drain 124, and the wash water and the foam discharged to the drain 124 are drain hose 190. The drainage stroke drained to the outside of the drum washing machine 200 is in progress.

When the drainage stroke is completed, new water is supplied to the tub 120, the drum 130 is rotated to rinse the laundry to perform a rinsing stroke, the drainage cycle is repeated again when the rinsing stroke is completed.

The drainage stroke includes a dehydration stroke to remove the wash water and foam contained in the laundry, or even if all washing processes are completed, a dehydration stroke is performed to finally remove the wash water contained in the laundry.

In this dehydration process, the drum 130 is rotated at a high speed by the drive motor 140, whereby the laundry is adhered to the inner wall surface of the drum 130 by centrifugal force, and the washing water and foam contained in the laundry are centrifugal force. By the through-hole 132 formed in the drum 130 is discharged between the drum 130 and the tub 120, the drained washing water and foam is collected in the water collecting unit 122 and then to the outside through the drain 124 Discharged.

However, the tub 120 of the conventional drum washing machine 200 does not store the washing water and foam dewatered in the dehydration stroke in the water collecting unit 122, the water collecting unit 122 by the rotational force of the drum 130 Because it moves away along the inner wall surface of the tub 120, the wash water and foam was not smoothly drained to the drain 124. That is, in the state in which the wash water and the foam are not stored in the water collecting unit 122, the pumping is not performed properly due to the lack of the minimum pressure necessary for pumping, and the drainage pump 180 only idles the washing water and the foam. There was a problem that can not be smoothly drained to the drain 124.

The present invention has been made to solve the problems of the prior art as described above, the technical problem of the present invention is to form a rib in the bottom of the inner wall of the tub wash water and dehydrated wash water and foam collected by the rotational force of the drum It is an object of the present invention to provide a tub of the drum washing machine that can be prevented from being separated from the water portion to facilitate the drainage of the washing water and foam to the outside of the tub.

In order to achieve the above object, the present invention,

In the drum of the laundry is accommodated rotatably installed on the inside, the lower portion is provided with a collecting portion for storing the wash water or foam, the lower portion of the collecting portion in the tub of the drum washing machine,

Both sides of the water collecting unit provides a tub of the drum washing machine, characterized in that the washing water film ribs protruding to facilitate the drainage of the wash water or foam to the drain.

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

1 is a perspective view of a tub of a drum washing machine according to a preferred embodiment of the present invention, Figure 2 is a side cross-sectional view schematically showing a drum washing machine to which the present invention is applied.

In the drum washing machine A according to the present invention, as shown in FIG. 2, a tub 20 in which washing water is accommodated is installed in the cabinet 10, and a drum providing a washing space in the tub 20. 30 is rotatably installed, and a drive motor 40 for rotating the drum 30 is installed at the rear of the tub 20.

Along with the tub 20, a detergent container for supplying a laundry detergent and the like including a water supply hose 50 for controlling the washing water supplied from the outside, a water supply valve 56, and a laundry aid such as a fabric softener (not shown) ), The front of the drum 30 is installed so that the door 60 can be opened and closed, and a gasket 66 for preventing leakage of the wash water between the door 60 and the inlet of the tub 20 is provided. Is installed.

In addition, the lower end of the tub 20 is connected to the drain pump 70 and the drain hose 80 so that the washing water is discharged.

1 to 3, a collecting part 22 in which washing water and foam are stored is formed in the lower part of the tub 20, and washing water and foam is washed out of the tub in the lower part of the collecting part 22. A drain 24 is formed to be discharged. Here, the water collecting unit 22 is extended to both sides from the lower center of the tub 20 so that the washing water and the foam are stored. At both edges of the water collecting unit 22, a washing water film rib 26 is formed to protrude.

The washing film rib 26 prevents the washing water and the foam from the water collecting unit 22 by the rotational force of the drum 30 to move along the inner wall surface of the tub 20 to be recovered to the collecting unit 22. do. The wash film ribs 26 are formed to be curved to face the inward direction of the collecting part 22 and are designed not to come into contact with the drum 30.

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

First, laundry and detergent are contained in the drum 30, and when power is applied, water is supplied to the drum 30, and then the driving motor 40 is driven to rotate the drum 30, and the laundry is lifter 90. The washing proceeds in the process of being pulled up by the upper side and falling by its own weight.

When the washing administration is completed, the drain pump 70 is pumped so that the wash water and the foam in the tub 20 are discharged to the drain 24, and the wash water and the foam discharged to the drain 24 are drain hose 80. The drainage stroke drained to the outside of the drum washing machine (A) is performed through.

When the drainage stroke as described above is completed, new water is supplied to the tub 20, the drum 30 is rotated, and a rinsing stroke is performed to rinse the laundry. When the rinse stroke is completed, the drainage stroke is repeated again.

The drainage stroke includes a dehydration stroke to remove the wash water and foam contained in the laundry, or even if all washing processes are completed, a dehydration stroke is performed to finally remove the wash water contained in the laundry.

In this dehydration process, the drum 30 is rotated at a high speed by the driving motor 40, whereby the laundry is adhered to the inner wall surface of the drum 30 by centrifugal force, and the washing water and foam contained in the laundry are centrifugal force. By the through-hole 32 formed in the drum 30 is discharged between the drum 30 and the tub 20, the drained wash water and foam is collected in the collecting unit (22).

A considerable amount of wash water and foam collected in the water collecting unit 22 is to move along the inner wall surface of the tub 20 by leaving the water collecting unit 22 by the rotational force of the drum 30, the tub 20 Washing water and foam to move along the inner wall surface is the wash water film protruding in the water collecting portion 22 is blocked by the ribs 26 and can not be moved anymore and is recovered to the water collecting portion 22 and smoothly through the drain hole 24. Is discharged.

In the tub of the drum washing machine according to the present invention as described in detail above, the washing water film protrudes the ribs on both edges of the water collecting portion formed on the lower end of the inner wall surface of the tub, the washing water and foam dewatered tub by the rotational force of the drum Movement along the inner wall is blocked, and as a result, the drainage pump is smoothly pumped as the wash water and the foam are recovered to the water collecting part, so that the drainage of the wash water and the foam is smoothly performed.

Although the above has been described with reference to a preferred embodiment of the present invention, the present invention is not limited to the above-described embodiment, and those skilled in the art without departing from the spirit of the present invention described in the claims below. Those skilled in the art will readily appreciate that various modifications are possible.

Claims (2)

In the drum of the laundry is accommodated rotatably installed on the inside, the lower portion is provided with a collecting portion for storing the wash water or foam, the lower portion of the collecting portion in the tub of the drum washing machine, Tubs of the drum washing machine, characterized in that ribs protrude from both sides of the water collecting unit so that the washing water film is easily protruded into the drain. The tub washing machine tub of claim 1, wherein the washing water film rib is formed to be curved to face an inner direction of the water collecting part.

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