KR100627909B1 - Lifter of drum type washing machine - Google Patents

Abstract

The present invention relates to a lifter of a drum washing machine, and in particular, the washing water flowing from the tub penetrates the lifter and flows into the drum. It relates to a lifter of a drum washing machine to allow foreign matter in the water to be collected in the container.

A lifter of a drum washing machine according to the present invention includes a tub in which washing water is fresh water, and a drum in which a rotating shaft is installed in a horizontal direction in the tub, the lifter main body provided on the inner wall of the drum; It is detachably installed on the lifter body, a suction port and a discharge port are formed in a predetermined space, a filter is installed in the discharge port, and a collection container for collecting foreign matter, and the wash water flowing from the tub is installed on the drum inner wall. Characterized in that the water supply means to be guided to the side.

Drum washing machine, lifter, container, water supply means, removable means, opening and closing means

Description

Lifter of Drum Washing Machine {LIFTER OF DRUM TYPE WASHING MACHINE}

1 is a cross-sectional view showing a drum washing machine according to the prior art,

2 is a sectional view showing a drum washing machine according to the present invention;

3 is a perspective view showing a lifter of the drum washing machine according to the present invention;

4 is a sectional view showing a lifter of the drum washing machine according to the present invention;

5 is a plan view showing the inner wall of the drum of the drum washing machine according to 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 means of the drum washing machine according to the present invention,

7 is a perspective view showing a lifter body of the drum washing machine according to the present invention;

8 is a bottom perspective view showing a lifter body of the drum washing machine according to the present invention;

9 is an exploded perspective view showing the container of the drum washing machine according to 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: 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 means 52: first water supply means

54 second supply means 60 detachable means

62: elastic portion 64: hook

66: fixing hole 67: locking jaw

68: extension 69: stopper

The present invention relates to a lifter of a drum washing machine, and in particular, the washing water flowing from the tub penetrates the lifter and flows into the drum. It relates to a lifter of a drum washing machine to allow foreign matter in the water to be collected in the container.

In general, a washing machine is a device for washing laundry such as clothes by rotating laundry and detergent in a washing tank, and 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 drum washing machine is a washing tank. The rotating shaft is arranged in a horizontal direction to form a drum, the laundry accommodated in the lateral direction is moved to 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 drum washing machine according to the prior art.

The drum washing machine according to the prior art rotates in a cabinet (2) having an opening (1) formed in the front, a tub (4) installed inside the opening (1) to wash water, and an inner side of the tub (4). A drum (10) capable of being installed and containing laundry and detergent, a motor (6) connected to the rotating shaft of the drum (10) and mounted on the rear of the tub (4), and the tub (4) are in the cabinet A suspension 8 is provided between the inner wall of the cabinet 2 and the outer wall of the tub 4 so as to be able to flow in a predetermined amount inside the (2).

Here, the drum 10 is opened in the same front as the cabinet (2) and the tub (4) and the rotary shaft 7 of the motor (6) is installed on the rear outer wall, the end of the rotary shaft (7) of the motor The tricycle-shaped spider 9 is installed so that the spider 9 is fastened to the rear outer wall of the drum 10.

As a result, when the motor 6 is driven, the drum 10 is rotated about the rotating shaft 7 in the horizontal direction to perform a washing operation.

In addition, the drum 10 is provided with a plurality of lifters 12 protruding from the inner wall toward the center of rotation, thereby lifting the laundry upward when the drum 10 is rotated, thereby increasing the flow of the laundry, thereby increasing the washing effect. To improve.

The lifter 12 is installed on the inner wall of the drum 10 in a horizontal direction and protrudes toward the rotation center so that when the drum 10 is rotated, the lifter 12 lifts the laundry positioned below the drum to the upper side of the drum. To increase flow.

However, since the lifter 12 of the drum washing machine according to the related art is merely for increasing the flow of the laundry, when the laundry containing a large amount of foreign matter is contained, the laundry and the foreign matter coexist inside the drum 10 until the washing operation is completed. Therefore, there is a problem that many foreign substances remain in the laundry even after the washing operation.

In order to solve this problem, a plurality of through-holes are formed in the lifter 12, 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 matters contained in the wash water are inside the lifter. There is a problem that it is difficult to flow into the foreign matter is not easy to collect.

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.

The present invention has been made in order to solve the above problems of the prior art, the washing water flowing from the tub to penetrate the lifter into the drum, the container is installed inside the lifter, it is introduced into the drum through the lifter It is an object of the present invention to provide a lifter of the drum washing machine to facilitate the collection of the washing water to pass through the container, so that the foreign matter contained in the washing water can be easily collected.

In addition, the present invention by allowing the wash water introduced into the drum to wash water contained in the tub into the drum irrespective of the direction of rotation of the drum, the direction is formed in the wash water circulated to the inside and outside of the drum to collect foreign matter It is an object of the present invention to provide a lifter of a drum washing machine that can be achieved effectively.

Lifter of the drum washing machine according to the present invention for solving the above problems, in the drum washing machine including a tub that wash water is fresh water, and a drum installed inside the tub to form a horizontal axis, the drum inner wall A plurality of lifter bodies installed, detachably mounted to the lifter main body, and having a predetermined space to form a suction port and a discharge port, a filter is installed at the discharge port to collect foreign substances, and a tub installed at the drum inner wall. It characterized in that it comprises a water supply means for guiding the washing water introduced from the suction port side.

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

Figure 2 is a side sectional view showing a drum washing machine according to the present invention.

The drum washing machine according to the present invention includes a cabinet (10) having an opening (12) formed at a front surface thereof, a tub (14) installed inside the opening (12) to wash water, and an inner side of the tub (14). A drum 20 rotatably installed to contain laundry and detergent, a driving device 18 connected to the rotating shaft of the drum 20 and mounted on the rear of the tub 14, and the tub 14 are provided. A suspension 16 is installed between the inner wall of the cabinet 10 and the outer wall of the tub 14 so as to be able to flow in a predetermined amount inside the cabinet 10.

Here, the drum 20 is installed by a plurality of lifters 100 protruding toward the center of rotation from the inner wall, thereby lifting the laundry upwards when the drum 20 is rotated to increase the flow of the laundry to increase the washing effect To improve.

Such, the drum 20, as shown in Figure 5, a plurality of engaging holes 22 are formed in a portion corresponding to the lower end of both sides of the lifter body 30, the lifter body 30 is coupled to the bolt After the hole 24 is formed and the lifter main body 30 is fitted into the locking hole 22 to be seated, the bolt 20 is fastened to the fastening hole 38 and the hole 24 of the lifter main body 30 to be described later. Is mounted on the inner wall of the.

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

The lifter 100 is provided with a plurality of lifter bodies 30 installed on the inner wall of the drum 20, and detachably mounted to the lifter body 30, forming a predetermined space for the suction port 42 and the discharge port 47. Is formed, the filter 48 is installed in the discharge port 47 is collected in the collecting container 40 and the drum 20 is installed on the inner wall of the drum 20 washing water flowing from the tub 14 is the suction port 42 It is configured to include a water supply means 50 to be guided to the side.

Here, the lifter main body 30, as shown in Figs. 7 and 8 is formed long in the left and right direction and formed in a predetermined space in parallel to the rotation axis of the drum 20, the bottom surface is open to both sides A plurality of fixing protrusions 36 fitted to the locking hole part 22 are formed at a lower end thereof, and a fastening hole part 38 coupled to the hole part 24 of the drum 20 is formed at the rear end thereof.

And the upper surface of the lifter main body 30 is formed in a concave shape is formed in the seating portion 32, the container 40 is installed, the seating portion 32, the lower end of the side corresponding to the suction port 42 The through hole 34 is formed.

In addition, the lifter main body 30 has a partition wall 37 for partitioning the inside of the lifter main body left and right at a rear portion corresponding to the water supply means 50, and both side inner walls of the lifter main body 30 are formed. A plurality of guides 39 are formed at the bar, and the guides 39 are 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 portions of the guides 39 are formed in the through hole part. It is bent while forming a curved surface in the direction of (34).

As a result, the wash water supplied from the tub 14 to the lifter main body 30 by the water supply means 50 is guided to the water container 40 through the suction hole 42 through the through hole 34 and the discharge port 47. Into the drum 20, the washing water flowing into the lifter body 30 by the water supply means 50 in the direction of the through hole 34 along the flow path formed by the partition wall 37 It is moved, and the washing water introduced by the guide 39 is prevented from flowing backward to the rear of the lifter body 30, so that the generation of vortex due to the backwashing water is suppressed to be smoothly moved to the through hole 34 side. do.

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. ) Remaining inside, so that foreign matter or lint, etc. contained in the wash water by the continuous circulation of the wash water during the washing operation is filtered into the container 40, the user lifts the container 40 after the washing operation is finished Foreign matter can be removed by separating from (30).

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

Here, the case 46, as shown in FIG. 9, the suction surface 42 is formed on the comb surface formed by forming a predetermined space, the upper surface is opened, the rear portion is bent upward to form a predetermined angle, the front end portion The protrusion 43 is formed on which the end of the cover 41 is seated.

And, the cover 41, the bottom surface is opened, the rear end is rotatably coupled to the end of the case 46, and the detachable means 60 is installed at the front end, so that the lifter main body 30 Can be assembled to the seating portion 32, a plurality of discharge ports 47 are formed on the upper surface, the filter 48 is installed inside the discharge port, the filter 48 is made of a conventional metal mesh, cover The insert 41 is installed on the inner wall of the 41 so that the replacement of the filter 48 is not required, and the cover 41 is removed after the container 40 is removed from the lifter main body 30 according to the user's operation. By opening it, it is easy to remove foreign matter remaining inside.

The opening and closing means 49 may include 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, the wall 41 on both sides of the cover 41 extends in a lateral direction, and the insertion protrusion 49a slides along the inner wall of the cover 41. The cover 41 may be closed by being inserted into the inner portion 49b, and the user may pull the cover 41 in the outward direction of the case 46, thereby leaving the container 40 while being released in the same manner.

As shown in FIGS. 5 and 6, the water supply means 50 partially cuts the inner wall of the drum 20 corresponding to the through hole 34 and the suction port 42 to form a hole, and the cut portion is a drum. (20) a first water supply means which is bent in an outward direction and arranged so as to correspond to any part partitioned by the partition wall 37 by bending the cut portion of the drum 20 toward the lower direction ( 52 and a second water supply means 54 which is bent so that the cutout portion of the drum 20 faces upward and disposed to correspond to the other portion partitioned by the partition wall 37.

As a result, 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 washing water flows in the drum 20. Since the wash water flows in by the water supply means 54, the wash water flows in a constant flow path through the water supply means 50 regardless of the rotation direction of the drum 20.

In addition, since the space in which the first water supply means 52 and the second water supply means 54 are disposed is partitioned by the partition wall 37, the washing water introduced by the water supply means 50 does not interfere with each other. Ensure a smooth flow of wash water.

In addition, a detachable means 60 is installed between the seating portion 32 and the container 40 so that the container 40 can be attached and detached by a user's operation. The detachable means 60 includes a cover ( 41, a pair of cutouts are formed at the front end of the front end at a predetermined interval and flows in the vertical direction, a hook 64 protruding from the outer end of the elastic portion 62, and the hook A fixing hole 66 formed at an end of the seating portion 32 corresponding to the 64 to allow the hook 64 to slide in the lateral direction, and a locking jaw formed at the rear end of the seating portion 32; An extension portion 68 and an extension portion 68 formed at an inner side of the latching jaw 67 are formed in an end of the cover 41 corresponding to the locking jaw 67 to extend outwardly. ) Is formed on the inner wall of the seating portion 32 corresponding to the, and is disposed so as to maintain a predetermined distance from the extension portion 68, the container 40 is The stopper 69 which can slide a certain amount inward of the seating part 32 is comprised.

Thus, when inserting the container 40 into the lifter body 32, the extension portion 68 is inclined at an angle to the locking jaw 67 side of the seating portion 32, and the container 40 is seated 32 When inserted into the inside of the lifter body 30 when the slide side toward the front side while the elastic portion 62 is moved downwards, the hook 64 is inserted into the fixing hole 66 to form the container 40 is mounted.

In addition, when the container 40 is separated from the lifter main body 30, the container 64 is slid inward of the seating part 32 while pressing the elastic part 62, and the hook 64 is fixed to the fixing part 66. Can be detached from the lifter body 30 while lifting off the front end of the sump 40.

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

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

First, when the driving device 18 is driven by a user's operation, the drum 20 is rotated to start the washing operation. When the drum 20 is rotated, the laundry contained in the tub 14 by the water supply unit 50 is rotated. The water flows into the lifter main body 30. When the drum 20 is rotated clockwise by the control program, the wash water flows through the first water supply means 52, and the drum 20 rotates counterclockwise. Since the washing water is introduced by the second water supply means 54, the washing water introduced by each water supply means is moved to another space partitioned by the partition wall 37, thereby preventing interference with each other, and the guide 39 The backflow is prevented by a smooth circulation of the wash water.

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. Since the contained foreign matter remains in the container 40 by the filter 48 installed inside the discharge port 47, it is possible to perform a clean washing operation to remove the foreign matter, if the washing operation is continued for a predetermined time circulating the wash water This can be done repeatedly to filter out most foreign matter contained in the wash water.

After the washing operation is completed, if 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, the extension portion After the slide 68 is in contact with the stopper 69, the finger is inserted into the groove 33 of the seating portion 32 to grasp the container 40 so that the container 40 can be easily removed from the lifter body 30. Can be separated.

In addition, when the cover 41 is rotated about the hinge axis, the locking protrusion 49a is separated from the insertion hole 49b to open the container 40, thereby removing foreign matter remaining in the inside of the container.

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.

In the lifter of the drum washing machine according to the present invention configured as described above, a flow path through which the washing water flowing from the tub passes through the inside of the lifter and is supplied into the drum is formed, and a container for collecting foreign matter is installed in the flow path. Effective removal of foreign substances generated during washing has the advantage of achieving a clean laundry operation.

In addition, the lifter of the drum washing machine according to the present invention prevents backflow of the washing water irrespective of the direction of rotation of the drum so that only the inside of the drum is supplied through the lifter, thereby preventing foreign substances caught in the container from being discharged again. There is an advantage in providing clean laundry.

In addition, the detachable means for installing or detaching the container by the slide method is installed inside the seating portion, there is an advantage that the combination of the container can be firmly prevented from malfunction and damage caused by the separation of the container during the laundry operation, the container It is easy to install and detach, and can easily achieve the opening and closing of the container by the opening and closing means there is an advantage that can save the time required to remove the foreign matter.

Claims (11)

A drum washing machine including a tub for washing water and a drum installed inside the tub such that the rotating shaft has a horizontal direction; A plurality of lifter bodies mounted on the inner wall of the drum; A collection port which is detachably installed at the lifter main body, forms a predetermined space, a suction port and a discharge port are formed, and a filter is installed at the discharge port to collect foreign substances; And a water supply means installed on the inner wall of the drum to allow the washing water flowing from the tub to be directed to the suction port. The method of claim 1; The drum is a lifter of a drum washing machine, characterized in that a plurality of engaging holes are formed at portions corresponding to lower ends of both sides of the lifter main body, and hole portions to which the lifter main body is coupled by bolts. The method of claim 1; The lifter main body is formed long in the left and right direction, is formed in a predetermined space in parallel to the rotation axis of the drum, the bottom surface is open is formed with a plurality of fixing projections to be fitted to the engaging hole in the lower end of both sides, Lifter of the drum washing machine, characterized in that the end is formed with a fastening hole coupled to the hole of the drum. The method of claim 1; The lifter main body, the upper front portion is formed concave to form a seating portion is provided with the container, the seating portion, the lifter of the drum washing machine, characterized in that the through-hole is formed in the lower end of the side corresponding to the suction port. The method of claim 4; The seating portion, a lifter of a drum washing machine, characterized in that a pair of grooves are formed at both upper ends. The method of claim 1; The lifter main body, the rear wall corresponding to the water supply means is formed partition walls for partitioning the inside of the lifter body from side to side, the lifter of the drum washing machine, characterized in that a plurality of guides are formed on the inner side wall of the lifter body. The method of claim 6; The guide is formed in the shape of a panel protruding in the partition wall direction from both inner walls of the lift body, the end of the lifter of the drum washing machine, characterized in that bent to form a curved surface in the direction of the through hole. The method of claim 1; The container is formed in a predetermined space and the inlet port is formed on one side lower end, the cover is rotatably installed on the upper end of the other side, a plurality of discharge ports formed on the upper surface, the filter installed inside the discharge port, Lifter of the drum washing machine comprising an opening and closing means provided between the case and the cover. The method of claim 8; The opening and closing means, the lifting machine of the drum washing machine, characterized in that it comprises a pair of engaging projections protruding from both sides of the case, the insertion grooves formed on both sides of the cover corresponding to the engaging projection. The method of claim 1; The water supply means is a drum washing machine, characterized in that the hole is formed on the inner wall of the drum corresponding to the through hole and the suction port, the guide is formed inclined in the drum outward direction from one end of the hole. The method of claim 10; The water supply means may include a first water supply means arranged to correspond to any part partitioned by the partition wall by bending the cut portion of the drum to face downward, and a cut portion of the drum to face upward direction. And a second water supply means which is bent to correspond to the other part partitioned by the partition wall.

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