KR20100034923A - Drum type washing machine - Google Patents

Abstract

PURPOSE: A drum washing machine is provided to prevent discharging of foreign material which is already collected in a collecting can, thereby efficiently eliminating the foreign material. CONSTITUTION: A drum washing machine comprises a drum; a lifter body which is installed in the drum and includes a supply hole; a collecting can(40) which is installed on the lifter body; and a burring unit(120) is formed on the side of the collecting can corresponding to the supply hole.

Description

Drum Washing Machine {DRUM TYPE WASHING MACHINE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drum washing machine, and more particularly, to a drum washing machine including a lifter for flowing laundry and removing foreign substances contained in the washing water to be discharged.

In general, a washing machine is a device for washing laundry such as clothes by rotating laundry and detergent in a washing tank. The washing machine is divided into an upright washing machine and a drum washing machine according to a direction in which a washing tank and a tub containing laundry are installed. The rotating shaft is arranged in a horizontal direction to form a drum, the laundry accommodated in the lateral direction is moved in the vertical direction by the rotation of the drum, it is a device to be washed while falling in the downward direction.

1 is a side cross-sectional view showing a general drum washing machine.

A general drum washing machine is provided with a cabinet (2) having an opening (1) formed at the front, a tub (4) installed inside the opening (1), and washing water is rotatably installed, and rotatably installed inside the tub (4). And a drum (3) containing detergent, a motor (6) mounted at the rear of the tub (4) connected to the rotating shaft of the drum (3), and the tub (4) can flow in a predetermined amount inside the cabinet (2). It is configured to include a suspension (8) installed between the inner wall of the cabinet 2 and the outer wall of the tub (4) so as to be installed.

The drum 3 is opened in the same front side as the cabinet 2 and the tub 4, and the rotary shaft 7 of the motor 6 is installed on the rear outer wall. At the end of the rotating shaft 7 of the motor, a tricycle-shaped spider 9 is installed so that the spider 9 is fastened to the rear outer wall of the drum 3.

When the motor 6 is driven, the drum 3 is rotated about the rotating shaft 7 in the horizontal direction to perform a washing operation.

The drum 3 is provided with a plurality of lifters 12 protruding from the inner wall toward the center of rotation, thereby lifting the laundry upwards when the drum 3 is rotated, thereby increasing the flow of the laundry to improve the washing effect. .

The lifter 12 is installed on the inner wall of the drum 3 in a horizontal direction and protrudes toward the center of rotation so that when the drum 3 is rotated, the laundry located at the lower side of the drum is lifted to the upper side of the drum 3. To increase the flow.

The lifter of a general drum washing machine is simply to increase the flow of laundry, so when a laundry containing a large amount of foreign matter is contained, many foreign substances remain in the laundry even after the washing operation because laundry and foreign substances coexist in the drum until the washing operation is finished. do.

In order to solve this problem, a plurality of through-holes are formed in the lifter and a filter is installed therein. However, since the rotation direction of the drum is changed a plurality of times by a control program, foreign substances included in the wash water flow into the lifter. There is a problem that is difficult to collect the foreign matter is difficult.

In addition, since the filter installed inside the lifter is usually a panel-shaped filter, the amount of foreign substances adsorbed on both sides of the filter is limited to a certain value or less, so that the filter needs to be frequently cleaned, and the filter is not easily removed. There is this difficult problem.

Therefore, there is a need for improvement.

The present invention has been created by the necessity as described above, and an object thereof is to provide a drum washing machine for collecting foreign matter contained in the wash water.

In addition, an object of the present invention is to provide a drum washing machine that can easily install a lifter for collecting foreign matter.

In addition, an object of the present invention is to provide a drum washing machine that can prevent the foreign matter is discharged again after collecting the foreign matter contained in the wash water.

In addition, an object of the present invention is to provide a drum washing machine to easily collect the foreign matter contained in the wash water, the collection amount is increased.

Drum washing machine according to the present invention comprises: a drum; A lifter body mounted to the drum and having an entrance hole formed therein; A container installed in the lifter body; And a burring portion formed in the container so as to correspond to the access hole.

In one embodiment, the burring portion is formed on the side of the container.

In one embodiment, when the container is installed, the burring portion is formed to communicate with at least a portion of the entrance hole of the entrance hole.

In one embodiment, the burring portion is formed to extend in the inner direction of the container.

Drum washing machine according to the present invention, it is possible to facilitate the collection of foreign matters, prevent the foreign matters introduced into the container to be filtered out again discharge can effectively achieve the removal of foreign substances in the drum can achieve a clean laundry operation.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a drum washing machine according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

Figure 2 is a cross-sectional view showing a drum washing machine according to an embodiment of the present invention, Figure 3 is a perspective view showing a lifter of a drum washing machine according to an embodiment of the present invention, Figure 4 is an embodiment of the present invention A sectional view of the lifter of the drum washing machine is shown.

In addition, Figure 5 is a plan view showing the inner wall of the drum of the drum washing machine according to an embodiment of the present invention, Figure 6 is a cross-sectional view taken along line AA of Figure 5, the water supply of the drum washing machine according to an embodiment of the present invention 7 is a cross-sectional view illustrating a lifter body of a drum washing machine according to an embodiment of the present invention.

In addition, Figure 8 is a bottom perspective view showing a lifter body according to an embodiment of the present invention, Figure 9 is an exploded perspective view showing the container of the drum washing machine according to an embodiment of the present invention.

10 is a cross-sectional view showing a burring portion of the drum washing machine according to an embodiment of the present invention, Figure 11 is a perspective view showing a burring portion of the drum washing machine according to an embodiment of the present invention.

2 to 11, a drum washing machine according to an embodiment of the present invention includes a cabinet 10 having an opening 12 formed at a front side thereof, and a tub 14 installed inside the opening 12 to wash fresh water. And a drum 20 rotatably installed on the inner side of the tub 14 to accommodate laundry, and a driving device 18 connected to the rotating shaft of the drum 20 mounted on the rear of the tub 14; The tub 14 includes a suspension 16 installed between the inner wall of the cabinet 10 and the outer wall of the tub 14 such that the tub 14 is installed to be movable in a predetermined amount inside the cabinet 10.

Here, the drum 20 has a plurality of lifters 100 protruding from the inner wall toward the center of rotation. The lifter 100 lifts the laundry upward when the drum 20 is rotated, thereby increasing the flow of the laundry so that the washing effect is improved.

In the drum 20, a plurality of engaging holes 22 are formed at portions corresponding to lower ends of both sides of the lifter body 30, and coupling holes 24 to which the lifter body 30 is bolted are formed.

Thus, when the lifter main body 30 is seated in the catching hole 22 to be seated, and the bolt is fastened to the fastening hole 38 and the coupling hole 24 of the lifter main body 30 to be described later, the lifter is mounted on the inner wall of the drum 20. The main body 30 is mounted.

The lifter 100 is provided with a plurality of lifter bodies 30 installed on the inner wall of the drum 20 and detachably attached to the lifter body 30, and has a predetermined space in which the suction port 42 and the discharge port 47 are formed. In addition, a filter 48 is installed at the discharge port 47 to collect the foreign matter in the collecting container 40, and the water supply unit installed on the inner wall of the drum 20 so that the washing water flowing from the tub 14 is guided to the suction port 42 side. And 50.

Here, the lifter main body 30 is elongated in the left and right direction and has a predetermined space therein and is installed in parallel with the rotation axis of the drum 20.

A plurality of fixing protrusions 36 are formed at the lifter main body 30 to open the bottom surface and are fitted to the locking hole portions 22 at both lower ends thereof, and the rear end portion is coupled to the coupling hole portion 24 of the drum 20. The hole part 38 is formed.

The lifter main body 30 is formed with a concave upper front portion of the lifter main body 30 to form a seating portion 32 in which the container 40 is installed, and the suction port 42 corresponds to the seating portion 32. The through hole 34 is formed at the lower side.

In the lifter main body 30, partition walls 37 for partitioning the inside of the lifter main body left and right are formed in the rear portion corresponding to the water supply part 50, and a plurality of guides are provided on both side inner walls of the lifter main body 30. 39 is formed.

The guide 39 is formed in a panel shape protruding from the inner walls of both sides of the lift body 30 in the direction of the partition wall 37, and the end portion thereof is bent to form a curved surface in the direction of the through hole 34.

The wash water supplied from the tub 14 into the lifter main body 30 by the water supply part 50 is guided to the water container 40 through the inlet 42 through the through hole 34, and discharges the outlet 47. Through the drum 20 is introduced into.

At this time, the wash water flowing into the lifter body 30 by the water supply unit 50 is moved in the direction of the through hole 34 along the flow path formed by the partition wall 37.

In addition, since the washing water introduced as described above is prevented from flowing backward to the rear of the lifter main body 30 by the guide 39, the generation of the vortex caused by the washing water backflow is suppressed, so that the washing water can be smoothly moved to the through hole 34. It becomes possible.

The washing water introduced into the container through the through-hole 34 and the suction port 42 is discharged into the drum 20 through the discharge hole 47, and the foreign matter in the washing water is filtered by the filter 48 and the container 40. ) Will remain inside.

An entrance hole 110 is formed in the lifter main body 30, and a burring portion 120 is formed in the container 40 to correspond to the entrance hole 110. Burring portion 120 is formed on the side of the container (40).

When the container 40 is installed, the burring portion 120 is formed to communicate with at least a portion of the entrance hole 110 of the entrance hole (110). Burring portion 120 is preferably formed to extend in the inner direction of the container (40).

The burring portion 120 is formed with a plurality of holes and protrudes inwardly as shown by reference numeral 121.

Washing water flowing through the entrance hole 110 is introduced into the container 40 through the burring unit 120, and the lint is collected in the container 40 together with the wash water. Burring portion 120 is easy to introduce the lint with the wash water, but the lint introduced into the container 40 is difficult to escape to the outside of the container 40 by the reference numeral 121 which is a protrusion.

During the washing operation, foreign matter or lint, which is contained in the wash water, is filtered by the continuous circulation of the washing water, so that the user separates the container 40 from the lifter body 30 after the washing operation is finished. Foreign matter can be removed.

The container 40 is provided with a case 46 having a predetermined space and a suction port 42 formed at one side lower end, and rotatably installed at an upper end of the other side of the case 46, and a plurality of discharge ports 47 formed on an upper surface thereof. It includes a cover 41 is formed, a filter 48 provided inside the discharge port 47, and the opening and closing portion 49 provided between the case 46 and the cover 41.

In the case 46, the upper surface is opened while forming a predetermined space, and the inlet port 42 is formed on the comb surface formed by bending the upper portion at the rear portion at a predetermined angle, and the protrusion at which the end of the cover 41 is seated at the front end portion. 43 is formed.

The cover 41 has a bottom surface open, the rear end is rotatably coupled to the end of the case 46, and the detachable part 60 is provided at the front end, whereby the seating part 32 of the lifter main body 30 is provided. ) Is assembled.

The cover 41 has a plurality of discharge ports 47 formed on the upper surface thereof, and a filter 48 is provided inside the discharge holes, which filter 48 is made of a conventional metal mesh and is inserted into the inner wall of the cover 41. (Insert) is installed.

Replacement of the filter 48 is not required, and after removing the container 40 from the lifter body 30 according to a user's operation, the cover 41 can be opened to easily remove foreign substances remaining therein. .

The opening and closing part 49 includes a pair of locking protrusions 49a protruding from both sides of the case 46 and insertion grooves 49b formed on both sides of the cover 41 corresponding to the locking protrusions 49a.

When the cover 41 is rotated in the direction of the case 46, both wall surfaces of the cover 41 are extended in a lateral direction, and the locking protrusion 49a slides along the inner wall of the cover 41 to the inside of the insertion groove 49b. The cover 41 is closed.

When the user pulls the cover 41 in the outward direction of the case 46, the container 40 is opened while being separated in the same manner.

The water supply unit 50 is a guide panel in which the inner wall of the drum 20 corresponding to the through hole 34 and the suction port 42 is partially cut to form the hole 56, and the cut portion is bent toward the drum 20 outside. It consists of 58.

In addition, the water supply unit 50 is the first water supply unit 52 is bent so that the cut portion of the drum 20 is directed downward to correspond to the first portion (37a) partitioned by the partition wall 37 And a second water supply part 54 arranged to correspond to the second part 37b partitioned by the partition wall 37 by the cut portion of the drum 20 facing upward.

When the drum 20 is rotated clockwise when the drum 20 is rotated, the washing water is introduced into the drum 20 by the first water supply unit 52, and when the drum 20 is rotated counterclockwise, the second water supply unit ( 54) wash water is introduced.

Therefore, the wash water may flow in a constant flow path through the water supply unit 50 regardless of the rotation direction of the drum 20.

Since the space in which the first water supply unit 52 and the second water supply unit 54 are disposed is partitioned by the partition wall 37, the washing water introduced by each of the water supply units 50 does not interfere with each other, so that the smooth flow of washing water is performed. This is done.

A detachable part 60 is installed between the seating part 32 and the container 40 so that the container 40 can be attached or detached by a user's operation.

The detachable part 60 has a pair of cutouts formed at regular intervals at the front end of the cover 41 and is elastically arranged to flow in the vertical direction, and a hook protruding from the outer end of the elastic part 62. 64, a fixing hole portion 66 formed at the end of the seating portion 32 corresponding to the hook 64 so that the hook 64 slides in the lateral direction, and the rear side of the seating portion 32; The engaging jaw 67 formed at the end, the end portion of the cover 41 corresponding to the engaging jaw 67 is formed long in the outward direction, the extension portion 68 is disposed inside the engaging jaw 67 and the extension portion The stopper is formed on the inner wall of the seating portion 32 corresponding to the 68, and is disposed so as to maintain a predetermined distance from the extension portion 68 so that the container 40 is slidable in a predetermined amount into the seating portion 32 ( 69).

When inserting the container 40 into the lifter body 32, the extension part 68 is inclined at an angle to the locking step 67 of the seating part 32, and the container 40 is inserted into the seating part 32. When inserted, the front portion of the lifter body 30 is slid to the front side of the lifter body 30, while the hook 64 is inserted into the fixing hole 66 while the hook portion 64 is mounted.

When the container 40 is detached from the lifter main body 30, while sliding the container 40 inwardly of the seating part 32 while pressing the elastic part 62, the hook 64 is separated from the fixing hole part 66. Since the front end of the container 40 is lifted up, the container 40 is separated from the lifter body 30.

A plurality of ribs 62a are formed on the upper surface of the elastic part 62 so that the mounting and detaching operation of the collecting container 40 as described above can be performed smoothly, and thus, the operation of sliding the collecting container 40 can be easily performed. A pair of grooves 33 are formed at both upper ends of the seating portion 30 so that the container 40 can be easily lifted.

In addition, the container 40 is provided with a catching portion 70 to collect foreign matter in the wash water flowing through the inlet 42.

The foreign matter flowing into the container 40 is first collected by the catching part 70 and secondly collected by the filter 48, thereby effectively removing the foreign matter.

Since the locking part 70 is formed of a protrusion 72 which protrudes while maintaining a predetermined distance from the bottom surface of the case 46, foreign matters flowing through the suction port 42 and flowing in the direction of the discharge hole 47 are formed on the protrusion 72. I get caught.

Looking at the operation of the drum washing machine according to the present invention configured as described above are as follows.

When the driving device 18 is driven by a user's operation, the washing operation is started while the drum 20 is rotated. When the drum 20 is rotated, the washing water contained in the tub 14 by the water supply unit 50 is lifted. It flows into the main body 30.

When the drum 20 is rotated clockwise by the control program, the wash water flows through the first water supply 52, and when the drum 20 is rotated counterclockwise, the washing water is washed by the second water supply 54. Inflow.

Thus, the washing water introduced through the first water supply unit 52 and the second water supply unit 54 is moved to different spaces partitioned by the partition wall 37, so that they are prevented from interfering with each other. The backflow is prevented by the smooth washing water circulation.

The washing water introduced as described above is introduced into the container 40 through the through hole 34 and the suction port 42, and then discharged into the drum 20 along the discharge port 47.

The foreign matter contained in the wash water is first collected while passing through the catching part 70, and is collected secondly by the filter 48 installed inside the discharge port 47 to remain inside the container 40.

Since the laundry water from which foreign substances have been removed is supplied into the drum 20, a clean washing operation can be performed.

After that, if the washing operation continues for a certain time, the circulation of the washing water is repeated, thereby effectively filtering foreign substances contained in the washing water.

After the washing operation is completed, when the user slides the container 40 into the seating portion 32 while pressing the elastic portion 62, the hook 64 is separated from the fixing hole portion 66.

After sliding the extension portion 68 until it comes in contact with the stopper 69, the finger is inserted into the groove portion 33 of the seating portion 32 to hold the container 40 so that the container 40 can be easily lifted by the lifter body 30. Can be separated from.

When the cover 41 is rotated about the hinge axis, the locking protrusion 49a is separated from the insertion hole 49b so that the container 40 is opened and foreign matter remaining in the container 40 can be removed.

Foreign matters such as lint falling from the laundry can be collected by the operation as described above into the container 40, the container 40 can be easily attached or detached, and clean and easy washing can be performed. Removal can also be accomplished easily.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and various modifications and equivalent other embodiments are possible to those skilled in the art. Will understand.

In addition, the drum washing machine has been described as an example, but this is merely exemplary, and the lifter of the present invention may be used in a product other than the lifter used in the drum washing machine.

1 is a cross-sectional view showing a general drum washing machine.

2 is a cross-sectional view showing a drum washing machine according to an embodiment of the present invention.

3 is a perspective view illustrating a lifter of a drum washing machine according to an embodiment of the present invention.

Figure 4 is a cross-sectional view showing a lifter of the drum washing machine according to an embodiment of the present invention.

5 is a plan view showing the inner wall of the drum of the drum washing machine according to an embodiment of the present invention.

6 is a cross-sectional view taken along the line A-A shown in Figure 5, a cross-sectional view showing the water supply of the drum washing machine according to an embodiment of the present invention.

7 is a perspective view illustrating a lifter main body of a drum washing machine according to an embodiment of the present invention.

8 is a bottom perspective view illustrating a lifter body according to an embodiment of the present invention.

9 is an exploded perspective view showing the container of the drum washing machine according to an embodiment of the present invention.

10 is a cross-sectional view showing the burring portion of the drum washing machine according to an embodiment of the present invention.

11 is a perspective view showing a burring portion of the drum washing machine according to an embodiment of the present invention.

<Explanation of symbols on main parts of the drawings>

10 cabinet 12 opening

14: Tub 16: Suspension

18: drive device 20: drum

22: engaging hole 24: coupling hole

30: lifter body 32: seating portion

33: groove portion 34: through hole portion

36: fixed projection 37: partition wall

38: fastening hole 39: guide

40: container 41: case

42: suction port 43: projection

46: cover 47: discharge port

48 filter 49 opening and closing means

49a: locking projection 49b: insertion hole

50: water supply unit 52: first water supply unit

54: second water supply portion 56: hole portion

58: guide panel 60: removable portion

62: elastic portion 64: hook

66: fixing hole 67: locking jaw

68: extension 69: stopper

70: locking portion 72: projection

110: access hole 120: burring portion

Claims (4)

drum; A lifter body mounted to the drum and having an entrance hole formed therein; A container installed in the lifter body; And And a burring portion formed in the container to correspond to the access hole. The method of claim 1, The burring portion drum washing machine, characterized in that formed on the side of the container. The method of claim 1, When the container is installed, the burring unit drum washing machine, characterized in that formed in communication with at least a part of the entrance hole of the entrance hole. The method according to any one of claims 1 to 3, The burring portion drum washing machine, characterized in that formed to extend in the inner direction of the container.

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