KR102464105B1 - Washing machine - Google Patents

Abstract

The present invention relates to a washing machine, wherein the washing machine includes a water storage tub for storing wash water, a washing tub rotatably provided in the water storage tub, and a lift provided in the washing tub to flow laundry, wherein the lift comprises the washing tub. and a lift body fixed to the hood and forming a space through which the wash water can pass, and a filter unit that is detachably inserted into the lift body to partition the space and filters foreign substances from the wash water passing through the space.

Description

washing machine {WASHING MACHINE}

The present invention relates to a washing machine, and more particularly, a washing machine capable of washing laundry cleanly by filtering foreign substances generated during washing by detachably installing a foreign material filter on a lift mounted on the inner wall of the washing tub of the washing machine. is about

In general, a washing machine is a product that removes various contaminants attached to clothes and bedding by using the emulsification action of detergent, the friction action of the water flow according to the rotation of the pulsator or washing tub, and the impact action applied to the laundry. A fully automatic washing machine that appears recently automatically performs a series of strokes leading to a washing course, a rinsing course, a dehydration course, and the like without a user's intervention in the middle.

Recently, compared to the pulsator washing machine that rotates with the washing tub in an upright state, the overall height of the washing machine can be reduced as well as the problem of kinking and wrinkling the laundry, and the demand for the washing machine is increasing. is in

Briefly describing the structure of the washing tub-type washing machine as described above, the main body cabinet forming the outer appearance, the water storage tank located inside the main body cabinet and supported by dampers and springs and storing wash water, and the water storage tank are located inside the It is largely divided into a cylindrical washing tub in which laundry can be placed, and the washing tub receives driving force by a driving unit for washing the laundry put into the washing tub.

On the other hand, a plurality of lifts are formed on the inner wall of the washing tub. The lift is installed to protrude parallel to the center of rotation of the washing tub at predetermined intervals in the circumferential direction on the inner wall of the washing tub. In particular, the lift is formed in the shape of a housing that is open to the outside, and a plurality of holes are formed at the inner end so that washing water can pass therethrough.

Such a lift causes the laundry loaded in the washing tub to be caught by the lift as the washing tub rotates, move more than a predetermined height along the circumferential direction of the washing tub, and then fall to the lower part of the washing tub.

Accordingly, in the washing and rinsing cycle, washing and rinsing are performed by friction between the washing water and the laundry as the washing tub rotates, or the impact force and flexion and extension of the laundry caught in the lift from falling from a predetermined height.

However, a plurality of lifts according to the prior art as described above are mounted at predetermined positions on the inner wall of the washing tub, and foreign substances such as lint or seams generated during washing are accumulated in the process of pulling up the laundry upward, so that the washing water becomes turbid, For this purpose, there is a problem in that the foreign matter filter is not properly installed, so that the foreign matter remains in the wash water and attaches to the laundry again when washing is completed, thereby reducing washing power.

The present invention has been devised to solve the above-described problems, and a lift provided in the washing tub is provided with a lint filter capable of filtering out foreign substances such as lint generated during washing and rinsing to remove lint contained in wash water. An object of the present invention is to provide a washing machine that can be removed more effectively.

In addition, the present invention has been devised to solve the above problems, and by providing a lint filter in a lift provided in a washing tub, it is possible to effectively remove lint during washing and rinsing cycles to improve washing performance. The purpose is to provide.

In addition, the present invention has been devised to solve the above-described problems, and by providing a lint filter in a lift provided in the washing tub, it provides a washing machine that facilitates removal of the filter to which foreign substances are attached, thereby facilitating the collection of foreign substances. has its purpose in

A washing machine according to an embodiment of the present invention for achieving the above object is a laundry including a water storage tub storing wash water, a washing tub rotatably provided in the water storage tub, and a lift provided in the washing tub to flow laundry In the apparatus, the lift is fixed to the washing tub and includes a lift body that forms a space through which the wash water can pass, and a lift body that is detachably inserted into the lift body to partition the space, It is preferable to have a filter unit for filtering foreign substances.

The lift body is positioned between first and second through-holes formed to face each other so that washing water can be introduced into the space along the circumferential direction of the washing tank, and the first and second through-holes, and the filter unit is detachably inserted It is preferable to have a filter insertion slot.

The filter part includes a body part that is seated in the filter insertion slot and forms an upper surface of the lift, and extends from the body part and is inserted into the filter insertion slot to partition the space to filter the wash water passing through the space. It is preferable to include one filter frame.

Preferably, the first through hole includes a damper that is opened by the wash water flowing into the space, and the wash water introduced into the first through hole is discharged through the second through hole.

Preferably, the damper includes a hinge damper hinge-coupled to the first through-hole, and a spring for elastically supporting the hinge damper to always shield the first through-hole and to be opened by the pressure of wash water.

The first through hole may include a first damper opened by the wash water flowing into the space, and the second through hole may include a second damper opened by the wash water flowing into the space. desirable.

It is preferable that the body portion has a plurality of discharge holes extending outside the body portion in the space to pass through, and the filter frame includes first and second filter frames centering on the discharge holes.

Preferably, a through hole through which the wash water moves is formed at a lower side of the filter frame, and a filter for filtering the foreign matter is formed at an upper portion of the through hole.

Preferably, the space includes an extension protrusion interposed between the first and second filter frames to space the first and second filter frames.

According to the washing machine according to the present invention, the lift provided in the washing tub is provided with a lint filter capable of filtering out foreign substances such as lint generated during washing and rinsing, so that lint contained in the washing water can be more effectively removed. have.

In addition, according to the washing machine according to the present invention, the lift provided in the washing tub is provided with a lint filter to effectively remove lint during the washing and rinsing cycles, thereby improving washing performance.

In addition, according to the washing machine according to the present invention, since a lint filter is provided on a lift provided in the washing tub, the filter to which foreign substances are attached can be easily detached, thereby facilitating collection of foreign substances.

1 is a simplified view showing the internal structure of a washing machine according to the present invention.
2 is a simplified view showing the arrangement of a lift and a lift filter in the washing machine according to the present invention.
3 is an exploded perspective view showing a lift filter according to an embodiment of the present invention.
4 to 5 are operational diagrams showing the operation of the lift filter according to an embodiment of the present invention.
6 is an exploded perspective view showing a lift filter according to another embodiment of the present invention.
7 is a simplified view showing the coupling of the lift filter according to another embodiment of the present invention.
8 to 9 are operational diagrams showing the operation of the lift filter according to another embodiment of the present invention.

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

In describing the present invention, the names of each defined component are defined in consideration of functions in the present invention. Therefore, it should not be construed as limiting the technical components of the present invention. In addition, each name defined for each component may be called another name in the art.

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

1 is a simplified view showing the internal structure of the washing machine according to the present invention, Figure 2 is a simplified view showing the arrangement of the lift and lift filter in the washing machine according to the present invention.

As shown in FIG. 1 , the washing machine 100 according to the present invention includes a cabinet 110 forming an exterior, a water storage tank 120 mounted inside the cabinet 110 and storing washing water, and a water storage tank inside the water storage tank 120 . The washing tub 130 arranged coaxially with the 120 to wash the laundry inserted therein by rotation, the water supply unit 160 for supplying wash water to the water storage tub, and the water storage tub 120 drain the wash water after washing and rinsing has been completed and a drainage unit 180 that

The cabinet 110 has a base, a side surface, a rear surface, an upper surface, and a front panel that form an external shape, and the front panel is opened when the laundry is put in, and the water storage tank 120 is closed when the washing operation is in progress. A door 111 is provided. Here, the door 111 may be provided with a transparent door glass 112 for checking the washing state in the washing tub 130 in the central portion.

The water storage tub 120 is supported by the suspension devices 141 and 142 to prevent the water storage tub 120 from being vibrated by vibrations generated when the washing tub 130 rotates. Here, the suspension devices 141 and 142 may be formed of a spring 141 and a damper 142 supporting the water storage tank 120 while being mounted.

On the other hand, the water storage tank 120 has an opening on the front side through which laundry is put in, and a door bellows 123 extending to the front panel of the cabinet 110 and connected to the door 111 in a watertight state is provided in the opening. .

In addition, a bearing housing 124 for rotatably supporting the rotation shaft 131 provided in the washing tub 130 is provided at the rear of the water storage tub 120 , and the rotation shaft is fixed to the rear outer surface of the water storage tub 120 at the rear outside. A driving motor 121 for supplying rotational force is provided.

Additionally, in the water storage tank 120 , a weight (not shown) that increases the mass of the water storage tank 120 itself increases the mass of the water storage tank 120 itself to prevent the water storage tank 120 from being vibrated by the vibration of the washing tank 130 . ) may be further installed.

The washing tub 130 is rotatably supported in the water storage tub 120 in parallel to the axial direction of the water storage tub 120 , and a rotating shaft 131 supported by the bearing housing 124 of the water storage tub 120 is connected to the rear side. do.

In addition, a plurality of dehydration holes 132 for draining the wash water inside the washing tub 130 in the washing, rinsing, and dehydration operations are formed through the inner circumferential surface of the washing tub 130, and on the inner circumferential surface of the washing tub, the center of the rotation shaft As the washing tub 130 rotates forward and reverse, it performs the same role as a plurality of lifts 134 and lifts 134 that perform washing and rinsing while lifting the laundry upward, and at the same time removes foreign substances such as lint contained in the wash water. Lift filters 200 and 300 for filtering are further provided.

The water supply unit 160 is for simultaneously/selectively supplying wash water from the external water supply source 1 to the water storage tank 120 , the detergent supply unit 170 , and the water storage tank 150 . The water supply unit 160 includes a plurality of water supply valves 152 for controlling water supply to the water storage tank 120 , the detergent supply unit 170 and the water storage tank 150 , and the water storage tank 120 according to the operation of the water supply valve 152 . ), a detergent supply unit 170 and a plurality of water supply hoses 153 for guiding washing water to the water storage tank 150 may be provided.

The drain unit 180 is provided under the water storage tub 120 to drain the washing water after washing and rinsing in the water storage tub 120 and the washing water generated during dehydration to the outside of the washing machine. For this purpose, a drain pump 182 for discharging the wash water of the water storage tank and a drain hose 181 may be provided.

On the other hand, in the case of a lift and a lift filter installed in the inside of the washing tub, as shown in FIG. 2 , a plurality of lifts 134 arranged to extend along the longitudinal direction of the washing tub 130 on the inner circumferential surface of the washing tub 130 , and at least One or more lift filters 200 and 300 may be provided.

The lift 134 and the lift filters 200 and 300 basically raise the laundry and wash water when the washing tub 130 rotates, thereby causing the laundry to fall, thereby applying a physical impact to the laundry to increase washing efficiency.

In addition, in the case of the lift filters 200 and 300 , when the washing tub 130 rotates, washing efficiency can be increased by pulling up laundry and washing water and filtering foreign substances such as lint included in the washing water.

Hereinafter, a lift filter 200 according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings with reference to the accompanying drawings.

3 is an exploded perspective view showing a lift filter according to an embodiment of the present invention, and FIGS. 4 to 5 are operational diagrams showing the operation of the lift filter according to an embodiment of the present invention.

As shown, the lift filter 200 according to an embodiment of the present invention is fixed to the inner circumferential surface of the washing tub 130 in the longitudinal direction of the washing tub 130 and forms a filter space 211 through which the washing water passes and foreign substances are filtered. and a filter unit 220 that is detachably provided on the lift body 210 to filter foreign substances contained in the washing water in the filter space 211 .

The lift body 210 has a filter space 211 formed therein, and is provided in the shape of a quadrangular pole whose cross section is formed in a trapezoidal shape that becomes narrower toward the upper portion (or the center of the washing tub). The middle lower surface is formed in a shape corresponding to the inner circumferential surface of the washing tub 130 and is fixed in the longitudinal direction of the washing tub 130 .

Here, a filter insertion slot 212 into which the filter unit 220 is inserted and mounted is formed on the upper surface of the lift body 210 in the longitudinal direction of the lift body 210, and the lower surface of the lift body 210 is formed with a washing tub ( In the case of 130 , as it is generally formed in a cylindrical shape, the lower surface of the lift body 210 may be formed in a curved surface according to the inner peripheral shape of the washing tub 130 . The lift body 210 is fixed to the inner circumferential surface of the washing tub by a separate fastening member (not shown).

On the other hand, on both sides of the lift body 210 (that is, opposite inclined surfaces), a first through hole 213 and a first through hole 216 are provided so that the washing water can pass through the filter space 211 of the lift body 210 , respectively. ) is formed.

Here, the first through hole 213 is provided with a hinge damper 214 that is hinged so that the wash water can move only to the filter space 211 of the lift body 210 . Meanwhile, the hinge damper 214 always shields the first through-hole 213 and is elastically supported by the spring 215 to open the first through-hole 213 when the pressure of wash water is applied.

That is, the first through hole 213 is a filter space inside the first through hole 213 from the outside of the first through hole 213 by the hinge damper 214 provided in the first through hole 213 ( When theta water is moved to 211 , the hinge damper 214 is rotated by the pressure of the wash water, and the wash water may be moved from the outside of the lift body 210 to the filter space 211 . However, when the washing water moved to the filter space of the lift body 210 moves to the outside of the lift body 210 through the first through hole 213, the hinge damper 214 is caused by the elastic force of the spring and the pressure of the washing water. shields the first through hole 213 to prevent leakage of wash water.

Meanwhile, in the case of the first through hole 216 , wash water can freely enter and exit in an always open state, and the wash water introduced into the first through hole is discharged through the second through hole through the filter unit.

The filter unit 220 includes a body 221 that forms an upper surface of the lift filter 200 when coupled to the lift body 210 , and is provided at a lower portion of the body 221 to provide a filter space for the lift body 210 . A filter frame 224 inserted into the 211 is provided.

Here, the body part 221 is formed in a shape corresponding to the length of the lift body 210 , and the filter part 220 is inserted into the filter insertion slot 212 of the lift body 210 in the lower part of the body part 221 . A fixed step 222 that is forcibly fitted is formed.

In addition, the filter frame 224 is formed to extend under the fixed step, and a filter 226 for filtering the wash water is provided inside. Here, the filter frame 224 is formed so that the lower part of the filter frame is close to the lower surface of the filter space when the filter part 220 is inserted into the lift body so as to partition the center of the filter space 211 of the lift body part.

The operation of the lift filter according to an embodiment of the present invention as described above will be described.

First, when the driving motor 121 is operated after putting laundry and washing water into the washing tub 130 , the washing tub 130 repeats forward and reverse rotation along the rotational direction of the driving motor 121 . At this time, the laundry and washing water are pulled upwards and then dropped by the lifter 134 and the lift filter 200 protruding inward from the washing tub 130 , and the washing action occurs as the raising and dropping are repeated.

Meanwhile, foreign substances separated from the laundry are generated in the washing water flowing in the washing tub 130 , and the process of mixing the generated foreign substances with the washing water and flowing in and out of the washing tub 130 is repeated.

As described above, foreign substances flowing together with the wash water are repeatedly introduced and discharged into the first through hole 213 or the second through hole 216 of the lift filter 200 according to the rotation of the washing tub 130, and the filter unit ( The foreign substances contained in the wash water are filtered by the filter frame 224 of the 220 .

Specifically, as shown in FIG. 4, as the washing tub 130 rotates in one direction, the washing water overcomes the spring 215 support force of the hinge damper 214 provided in the first through hole 213 by the inertial force. The hinge damper 214 is rotated and introduced into the filter space 211 of the lift body 210 through the first through hole 213 .

At this time, the wash water flowing into the filter space 211 is filtered by the filter 226 of the filter unit 220 provided in the filter space 211 , and the filtered wash water moves toward the first through hole 216 . and the first through hole 216 is discharged.

On the other hand, as shown in FIG. 5 , when the washing tub 130 rotates in the opposite direction to one direction, as the washing tub 130 rotates in the opposite direction to the one direction, the washing water flows through the first through hole 216 by the inertial force. The wash water introduced into the filter space 211 through the filter space 211 passes through the filter 226 of the filter unit 220 and moves toward the first through hole 213 .

Meanwhile, the washing water moved toward the first through hole 213 is blocked from being discharged into the first through hole 213 by the hinge damper 214 provided in the first through hole 213 . Accordingly, foreign substances introduced into the first through hole 213 and filtered by the filter may remain in the space between the filter 226 and the first through hole 213 .

Hereinafter, a lift filter 300 according to another embodiment of the present invention will be described in detail with reference to the accompanying drawings with reference to the accompanying drawings.

6 is an exploded perspective view showing a lift filter according to another embodiment of the present invention, FIG. 7 is a simplified view showing the fastening of the lift filter according to another embodiment of the present invention, and FIGS. 8 to 9 are another embodiment of the present invention It is an operation diagram showing the operation of the lift filter according to the example.

As shown, the lift filter 300 according to another embodiment of the present invention is fixed to the inner circumferential surface of the washing tub 130 in the longitudinal direction of the washing tub 130 and forms a filter space 311 through which washing water passes and foreign substances are filtered. and a filter unit 320 that is detachably provided on the lift body 310 to filter foreign substances contained in the washing water in the filter space 311 .

The lift body 310 has a filter space 311 formed therein, and is provided in the shape of a quadrangular pole whose cross section is formed in a trapezoidal shape that becomes narrower as it goes toward the upper portion (or the center of the washing tub). The middle lower surface is formed in a shape corresponding to the inner circumferential surface of the washing tub 130 and is fixed in the longitudinal direction of the washing tub 130 .

Here, the filter insertion slot 312 into which the filter unit 320 is inserted and mounted is formed on the upper surface of the lift body 310 in the longitudinal direction of the lift body 310, and the lower surface of the lift body 310 is formed with a washing tub ( In the case of 130 , as it is generally formed in a cylindrical shape, the lower surface of the lift body 310 may be formed in a curved surface according to the inner peripheral shape of the washing tub 130 . The lift body 310 is fixed to the inner circumferential surface of the washing tub by a separate fastening member (not shown).

On the other hand, on both sides of the lift body 310 (that is, opposite inclined surfaces), a third through hole 313 and a fourth through hole 316 are provided so that the wash water can pass through the filter space 311 of the lift body 310 , respectively. ) is formed.

Here, the third through-hole 313 and the fourth through-hole 316 have a first flap damper 314 and a second flap damper, respectively, so that the wash water can move only to the filter space 311 of the lift body 310 , respectively. (317) is provided. On the other hand, the first flap damper 314 and the second flap damper 317 always shield the third through hole 313 and the fourth through hole 316, and only when the pressure of wash water is applied, the third through hole ( 313 ) and the fourth through-hole 316 are blocked by a predetermined elastic force to open the third through-hole 313 and the fourth through-hole 316 .

That is, the third through hole 313 and the fourth through hole 316 are the first flap damper 314 and the second flap damper 317 provided in the third through hole 313 and the fourth through hole 316 . ) from the outside of the lift body to the filter space 311 inside the third through hole 313 and the fourth through hole 316 only when the theta water is moved by the pressure of the washing water to the first flap damper 314 And as the second flap damper 317 is bent, the wash water may be moved from the outside of the lift body 310 to the filter space 311 .

However, when the washing water moved to the filter space of the lift body 310 moves to the outside of the lift body 310 through the third through hole 313 or the fourth through hole 316, the first flap damper 314 And the first flap damper 314 and the second flap damper 317 close the third through hole 313 and the fourth through hole 316 by the self-elastic force of the second flap damper 317 and the pressure of the washing water. It is sealed to prevent leakage of washing water. Meanwhile, the wash water flowing into the filter space 311 through the third through hole 313 and the fourth through hole 316 is discharged through the discharge hole 322a of the filter unit 320 to be described later.

The filter unit 320 includes a body 321 that forms an upper surface of the lift filter 300 when coupled to the lift body 310 , and is provided at the lower portion of the body 321 to provide a filter space for the lift body 310 . A first filter frame 324 and a second filter frame 327 inserted into the 311 are provided.

Here, the body part 321 is formed in a shape corresponding to the length of the lift body 310 , and the filter part 320 is inserted into the filter insertion slot 312 of the lift body 310 in the lower part of the body part 321 . A fixed step 322 that is press-fitted is formed.

On the other hand, a plurality of discharge holes 322a passing through the lower surface of the fixed step 322 from the upper surface of the body portion 321 are formed in the center of the body portion 321 in the longitudinal direction. The discharge hole 322a of the body part 321 has the wash water flowing into the filter space 311 of the lift body 310 discharged by the flow pressure of the wash water or the lift filter 300 according to the rotation of the washing tub 130 . ) is located above the washing tub 130 , the washing water flowing into the filter space 311 of the lift body 310 is discharged.

Here, the discharge hole 322a serves to filter foreign substances included in the wash water at the same time as the washing water is discharged. Therefore, the size of the discharge hole 322a is preferably formed and arranged in plurality with a relatively small size enough to filter out foreign substances.

On the other hand, a first filter frame 324 is formed on one side around the discharge hole 322a formed in the fixed step 322 under the fixed step 322, and a second filter frame 327 is formed on the other side. do. Here, the first filter frame 324 and the second filter frame 327 extend along the longitudinal direction of the body and are inserted into the filter insertion slot formed in the lift body.

Here, the first filter frame 324 is provided with a first filter 325 for filtering the wash water on the inner upper portion, and the third through hole of the lift body 310 is provided on the lower portion of the first filter frame 324 ( A first through hole 326 for the washing water flowing into the 313 to move between the first filter frame 324 and the second filter frame 327 is formed.

In addition, the second filter frame 327 is provided with a second filter 328 for filtering the wash water on the inner upper portion, and the fourth through hole of the lift body 310 is provided on the lower portion of the second filter frame 327 A second through hole 329 is formed for the washing water introduced into the 316 to move between the second filter frame 327 and the first filter frame 324 .

On the other hand, at the lower portion of the filter space 311 of the lift body 310 , there is an extension protrusion 318 for extending the interval between the first filter frame 324 and the second filter frame 327 provided in the filter unit 320 . provided Here, the expansion protrusion 318 is formed in a triangular shape extending based on the upper central portion, and is formed in plurality along the lift body 310 on the inner lower surface of the filter space 311 .

As the filter unit 320 is inserted into the lift body 310 by the extension protrusion 318, the lower portions of the first filter frame 324 and the second filter frame 327 are extended protrusions as shown in FIG. The filtering space is formed by extending the interval between the first filter frame 324 and the second filter frame 327 while being bent in contact with the 318 and being spaced apart from each other.

The operation of the lift filter according to another embodiment of the present invention as described above will be described.

First, when the driving motor 121 is operated after putting laundry and washing water into the washing tub 130 , the washing tub 130 repeats forward and reverse rotation along the rotational direction of the driving motor 121 . At this time, the laundry and washing water are pulled upwards and then dropped by the lifter 134 and the lift filter 300 protruding inward from the washing tub 130 , and the washing action occurs as these raising and dropping are repeated.

Meanwhile, foreign substances separated from the laundry are generated in the washing water flowing in the washing tub 130 , and the process of mixing the generated foreign substances with the washing water and flowing in and out of the washing tub 130 is repeated.

As described above, foreign substances flowing together with the wash water are introduced into the third through hole 313 or the fourth through hole 316 of the lift filter 300 according to the rotation of the washing tub 130, and the filter unit body part ( As it is discharged through the discharge hole 322a of the 321 , foreign substances contained in the wash water are filtered by the first filter frame 324 and the second filter frame 327 of the filter unit 320 .

Specifically, as shown in FIG. 8 , as the washing tub 130 rotates in one direction, the washing water overcomes the elastic force of the first flap damper 314 provided in the third through hole 313 by the inertial force by the first The flap damper 314 is rotated and it flows into the filter space 311 of the lift body 310 through the third through hole 313 .

Here, the second flap damper 317 provided in the fourth through hole 316 is formed through the fourth through hole 316 by the elastic force of the second flap damper 317 and the pressure of the wash water flowing into the filter space 311 . ) to prevent the washing water flowing into the filter space 311 from being discharged into the fourth through hole 316 by maintaining the shielding state.

Meanwhile, the wash water flowing into the filter space 311 flows into the first through-hole 326 of the first filter frame 324 of the filter unit 320 provided in the filter space 311, and the first through-hole Wash water flowing into the 326 is introduced between the first filter frame 324 and the second filter frame 327 , and the first filter 325 of the first filter frame 324 and the second filter frame 327 . ), is filtered by the second filter 328 and the discharge hole 322a, and is discharged to the discharge hole.

Here, the wash water discharged to the discharge hole 322a is discharged by the flow pressure of the wash water flowing into the filter space 311 or the lift filter 300 is moved to the washing tub 130 according to the rotation of the washing tub 130 . ), the wash water flowing into the filter space 311 of the lift body 310 may be discharged by its own weight when positioned on the upper part of the lift body 310 .

On the other hand, as shown in FIG. 9 , when the washing tub 130 is rotated in the opposite direction to the one direction, as the washing tub 130 rotates in the opposite direction to the one direction, the washing water flows through the fourth through hole 316 by the inertial force. The second flap damper 317 is rotated while overcoming the elastic force of the second flap damper 317 provided in the air conditioner and is introduced into the filter space 311 of the lift body 310 through the fourth through hole 316 .

Here, the first flap damper 314 provided in the third through hole 313 is formed by the elastic force of the first flap damper 314 and the pressure of the wash water flowing into the filter space 311 , the third through hole 313 . ) to prevent the washing water flowing into the filter space 311 from being discharged into the third through hole 313 by maintaining the shielding state.

Meanwhile, the wash water flowing into the filter space 311 flows into the second through hole 329 of the second filter frame 327 of the filter unit 320 provided in the filter space 311, and the second through hole Wash water flowing into the 329 is introduced between the second filter frame 327 and the first filter frame 324 , and the first filter 325 of the first filter frame 324 and the second filter frame 327 . ), is filtered by the second filter 328 and the discharge hole 322a, and is discharged to the discharge hole.

Here, the wash water discharged to the discharge hole 322a is discharged by the flow pressure of the wash water flowing into the filter space 311 or the lift filter 300 is moved to the washing tub 130 according to the rotation of the washing tub 130 . ), the wash water flowing into the filter space 311 of the lift body 310 may be discharged by its own weight when positioned on the upper part of the lift body 310 .

As described above, according to the lift filter according to the embodiment of the present invention, the lifter is provided with a lint filter capable of filtering out foreign substances such as lint generated during washing and rinsing, so that lint contained in the wash water can be more effectively removed. have.

In addition, as described above, according to the lift filter according to the embodiment of the present invention, a lint filter is provided in the lift provided in the washing tub to effectively remove lint during washing and rinsing cycles, thereby improving washing performance.

In addition, as described above, according to the lift filter according to the embodiment of the present invention, by providing a lint filter in the lift provided in the washing tub, the filter to which the foreign material is attached can be easily detached and the foreign material can be easily collected.

Although the preferred embodiment of the present invention has been described in detail as described above, those of ordinary skill in the art to which the present invention pertains, without departing from the spirit and scope of the present invention as defined in the appended claims The present invention may be practiced with various modifications. Accordingly, modifications of future embodiments of the present invention will not depart from the technology of the present invention.

100: washing machine 110: cabinet
111: door 120: water tank
121: drive motor 130: washing tub
134: lift 150: water supply
160: detergent supply unit 170: drainage unit
200, 300: lift filter 211, 311: filter space
212, 312: filter insertion slot 213, 216: first and second through holes
214: hinge damper 220, 320: filter unit
221, 321: body 222, 322: fixed step
224: filter frame 324 first, second filter frame

Claims (9)

A washing machine comprising: a water storage tub storing wash water; a washing tub rotatably provided in the water storage tub; and a lift provided in the washing tub to flow laundry, the lift comprising:
a lift body fixed to the washing tub and forming a space through which the washing water can pass;
and a filter unit that is detachably inserted into the lift body to partition the space, and filters foreign substances from the wash water passing through the space;
the lift body
First and second through-holes formed to face each other so that washing water can be introduced into the space along the circumferential direction of the washing tub;
and a filter insertion slot positioned between the first and second through-holes and into which the filter unit is detachably inserted,
the filter unit
a body portion that is seated in the filter insertion slot, forms an upper surface of the lift, and has a plurality of discharge holes extending from the space to the inside of the washing tub and penetrating therethrough;
and first and second filter frames extending from the body part around the discharge hole and inserted into the filter insertion slot to partition the space to filter the wash water passing through the space. . delete delete The method of claim 1,
The first through-hole includes a damper that is opened by the washing water flowing into the space, and the wash water flowing into the first through-hole is discharged through the second through-hole. 5. The method of claim 4, wherein the damper includes a hinge damper hingedly coupled to the first through-hole, and a spring for elastically supporting the hinge damper to always shield the first through-hole and to be opened by the pressure of washing water. Laundry device, characterized in that. The method of claim 1, wherein the first through hole includes a first damper that is opened by the wash water flowing into the space, and the second through hole is a first damper opened by the wash water flowing into the space. 2 A washing machine comprising a damper. delete The washing machine according to claim 1, wherein a through hole through which the washing water moves is formed at a lower side of the filter frame, and a filter for filtering the foreign matter is formed at an upper portion of the through hole. The washing machine according to claim 1, wherein the space includes an extension protrusion interposed between the first and second filter frames to space the first and second filter frames apart.

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