KR20230103202A - Washcing machine and clothes treating apparatus - Google Patents

Abstract

The disclosed washing machine includes a cabinet, a tub disposed inside the cabinet, a drain pump connected to the tub, and a filter device provided to filter water flowing from the drain pump, wherein the filter device includes a filter housing and the filter. A filter rotatably coupled to the housing, the filter having a first filter unit and a second filter unit provided to collect dirt having a size different from that of the first filter unit, and a filter driving device configured to rotate the filter. include

Description

WASHING MACHINE AND CLOTHES TREATING APPARATUS}

The present invention relates to a washing machine and a laundry treatment apparatus, and more particularly to a washing machine and a laundry treatment apparatus having a filter.

A washing machine is a home appliance that washes clothes, towels, and bedding. Washing machines can be classified into drum-type washing machines that wash laundry by repeating lifting and dropping of laundry by rotating a drum, and electric washing machines that wash laundry using water current generated by a pulsator when the drum rotates.

Regardless of the type of washing machine, the washing process includes a washing process in which detergent water is supplied to the tub containing the laundry and the laundry is washed while the drum is rotated, and a rinse operation in which rinse water is supplied to the tub and the drum is rotated to rinse the laundry. and a spin-drying step of discharging water from the tub and rotating the drum to remove moisture from the laundry.

The washing machine may include a circulation passage through which wash water is circulated when performing a washing operation and/or a rinsing operation. The washing machine may include a drain passage through which wash water is drained when performing a washing operation, a rinsing operation, and/or a spin-drying operation.

One aspect of the present invention provides a washing machine and a laundry treatment device having filters capable of collecting dirt of various sizes.

One aspect of the present invention provides a washing machine and a clothes treatment device capable of selectively allowing wash water to pass through any one filter unit among a plurality of filter units of a filter, if necessary.

One aspect of the present invention provides a washing machine and a laundry treatment device capable of reducing a space occupied by a filter while maintaining filter performance.

A washing machine according to the spirit of the present invention includes a cabinet, a tub disposed inside the cabinet, a drain pump connected to the tub, and a filter device provided to filter water flowing from the drain pump, the filter device comprising: A filter housing, a filter rotatably coupled to the filter housing, having a first filter unit and a second filter unit provided to collect dirt of a different size from the first filter unit, and configured to rotate the filter. It includes a filter driving device that becomes.

The filter housing includes a circulation inlet connected to the drain pump, a circulation outlet provided to discharge water introduced through the circulation inlet to the tub, a drain inlet connected to the drain pump, and the drain inlet. A drain discharge unit may be provided to discharge incoming water through a drain hose extending to the outside of the cabinet.

The filter driving device rotates the filter to a first position where the first filter unit communicates with the circulation inlet and the circulation outlet, or the second filter unit communicates with the drain inlet and the drain outlet. It can be configured to rotate the filter to a second position.

The filter may be positioned at the first position while the wash water in the tub is circulated, and the filter may be positioned at the second position while the wash water in the tub is discharged to the outside of the cabinet.

The filter includes a filter case in which the first filter unit and the second filter unit are detachably mounted, and the filter case includes a first filter accommodating unit accommodating the first filter unit and the second filter unit accommodating the filter case. A second filter accommodating part provided to be partitioned from the first filter accommodating part along the circumferential direction of the filter, and a passage provided to be partitioned from the first filter accommodating part and the second filter accommodating part along the circumferential direction of the filter. wealth may be included.

The filter includes a filter cap detachably coupled to the filter case to cover the first filter accommodating portion, the second filter accommodating portion, and the passing portion, and a cap sealing member sealing between the filter case and the filter cap. can include

The filter case may include a positioning unit, and the filter housing may include a case guide for guiding the positioning unit so that the filter is rotatable between the first position and the second position.

The passage part is positioned to communicate with the drain inlet and the drain outlet when the filter is positioned in the first position, and when the filter is positioned in the second position, the circulation inlet and the circulation outlet are positioned. It may be provided to be positioned so as to communicate with.

While wash water of the tub is discharged to the outside of the cabinet, when the second filter part is blocked, the filter may be positioned in the first position so that the passage part communicates with the drain inlet part and the drain discharge part.

The first filter accommodating portion may be larger than the second filter accommodating portion.

The passage part may be provided to be smaller than the second filter accommodating part.

The filter case includes a first filter inlet formed to correspond to the circulation inlet when the filter is in the first position, and a first filter inlet formed to correspond to the circulation outlet when the filter is in the first position. 1 filter outlet, a second filter inlet formed to correspond to the drain inlet when the filter is in the second position, and formed to correspond to the drain outlet when the filter is in the second position a second filter discharge portion, a passage inlet portion formed to correspond to the drain inlet portion when the filter is in the first position, and a passage inlet portion formed to correspond to the drain discharge portion when the filter is in the first position. It may include a formed passage and discharge portion.

The first filter inlet and the first filter outlet are formed in the first filter accommodating portion, the second filter inlet and the second filter outlet are formed in the second filter accommodating portion, and the passage inlet portion And the passage discharge portion may be formed in the passage portion.

The first filter unit may be provided to filter dirt having a larger size than the second filter unit.

The filter device may be disposed adjacent to the drain pump at a lower side of the tub.

A laundry treatment apparatus according to the spirit of the present invention includes a cabinet, a tub disposed inside the cabinet, a drain pump connected to the tub, a filter device provided to filter water flowing from the drain pump, and the filter device. and a controller configured to control the filter device so that water supplied from the drain pump passes through a circulation passage of the filter device and is filtered while circulating wash water in the tub. While the washing water is discharged to the outside of the cabinet, the filter device is controlled so that the water supplied from the drain pump passes through the drain passage of the filter device and is filtered.

The filter device may include a first filter part disposed on the circulation passage and a second filter part disposed on the drain passage and provided to collect dirt having a size different from that of the first filter part.

The filter device may include a filter driving device configured to change positions of the first filter unit and the second filter unit.

The filter device may include a circulation opening/closing device configured to open or close the circulation passage, and a drain opening/closing device configured to open or close the drain passage.

The filter device may be disposed at an upper rear portion of the tub.

According to the spirit of the present invention, since a plurality of filter units are provided in the filter of the washing machine and the laundry treatment device, it is possible to collect dirt of various sizes.

According to the spirit of the present invention, the washing machine and the laundry treatment apparatus are configured such that the control unit can change the flow path, so that washing water can selectively pass through any one filter unit among a plurality of filter units of the filter.

According to the spirit of the present invention, since the washing machine and the laundry treatment device are provided with a plurality of filter units capable of collecting dirt of various sizes, the filter performance can be maintained and the space occupied by the filter can be reduced.

1 shows a washing machine according to one embodiment of the present invention.
FIG. 2 shows a cross section of the washing machine shown in FIG. 1 .
Figure 3 shows the filter device shown in Figure 2;
FIG. 4 shows the filter device shown in FIG. 3 in an exploded view.
FIG. 5 shows a control block diagram of the washing machine shown in FIG. 1 .
FIG. 6 shows the flow of wash water while the filter shown in FIG. 4 is in the first position.
FIG. 7 shows the filter device shown in FIG. 6 from the front.
FIG. 8 shows a cross section taken along line AA indicated in FIG. 6 .
FIG. 9 shows the flow of wash water while the filter shown in FIG. 4 is in the second position.
FIG. 10 shows the filter device shown in FIG. 9 from the front.
FIG. 11 shows a cross section taken along line BB indicated in FIG. 9 .
12 is a view showing a filter device 200 according to another embodiment of the present invention.
FIG. 13 shows the flow of water passing through the filter of the filter device shown in FIG. 12 in a cross section along line CC indicated in FIG. 12 .
FIG. 14 shows the flow of water that does not pass through the filter of the filter device shown in FIG. 12 in a cross section along line CC indicated in FIG. 12 .
15 shows a washing machine according to another embodiment of the present invention.

The embodiments described in this specification and the configurations shown in the drawings are only one preferred example of the disclosed invention, and there may be various modifications that can replace the embodiments and drawings in this specification at the time of filing of the present application.

In addition, the same reference numerals or numerals presented in each drawing in this specification indicate parts or components that perform substantially the same function.

In addition, terms used in this specification are used to describe embodiments, and are not intended to limit and/or limit the disclosed invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as "comprise" or "having" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It does not preclude in advance the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

In addition, terms including ordinal numbers such as “first” and “second” used herein may be used to describe various components, but the components are not limited by the terms, and the terms It is used only for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention. The term “and/or” includes any combination of a plurality of related listed items or any of a plurality of related listed items.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

1 shows a washing machine according to one embodiment of the present invention. FIG. 2 shows a cross section of the washing machine shown in FIG. 1 .

1 and 2, a washing machine 1 includes a cabinet 10 forming an exterior, a tub 20 disposed inside the cabinet 10, and rotatably disposed inside the tub 20. A drum 30 and a drive motor 40 for driving the drum 30 are provided.

An input port 11 is formed at the front of the cabinet 10 so that laundry can be put into the drum 30 . The inlet 11 is opened and closed by a door 12 installed on the front of the cabinet 10 .

A water supply pipe 50 for supplying wash water to the tub 20 is installed above the tub 20 . One side of the water supply pipe 50 is connected to the water supply valve 56, and the other side of the water supply pipe 50 is connected to the detergent box 52.

The detergent box 52 is connected to the tub 20 through a connection pipe 54. Water supplied through the water supply pipe 50 passes through the detergent box 52 and is supplied into the tub 20 together with the detergent.

The tub 20 is supported by a damper 70 . The damper 70 connects the inner bottom surface of the cabinet 10 and the outer surface of the tub 20 .

The drum 30 includes a cylindrical portion 31, a front plate 32 disposed in front of the cylindrical portion 31, and a rear plate 33 disposed in the rear of the cylindrical portion 31. An opening for entering and exiting laundry is formed on the front plate 32 , and a shaft 90 for transmitting power of the driving motor 40 is connected to the rear plate 33 .

A plurality of through holes 34 for circulation of wash water are formed around the drum 30, and a plurality of lifters are formed on the inner circumferential surface of the drum 30 so that laundry can rise and fall when the drum 30 rotates. (35) is installed.

The drum 30 and the drive motor 40 are connected through the shaft 90. According to the connection form of the shaft 90 and the drive motor 40, the shaft 90 is directly connected to the drive motor 40 It can be divided into a direct drive type that rotates the drum 30 and an indirect drive type that drives the drum 30 by connecting a pulley 91 between the drive motor 40 and the shaft 90.

The washing machine 1 according to an embodiment of the present invention may be provided as an indirect drive type, and the technical features of the present invention are applicable to the direct drive type without being limited thereto.

One end of the shaft 90 is connected to the back plate 33 of the drum 30, and the other end of the shaft 90 extends to the outside of the rear part 21 of the tub 20. The other end of the shaft 90 may be inserted into the pulley 91 to obtain driving force from the driving motor 40 . In addition, a motor pulley 41 is formed on the rotating shaft of the driving motor 40 . A drive belt 92 is provided between the motor pulley 41 and the shaft pulley 91 so that the shaft 90 can be driven by the drive belt 92 .

The drive motor 40 is disposed on one side of the lower side of the tub 20 and drives the shaft 90 while the drive belt 92 rotates clockwise or counterclockwise in the vertical direction of the tub 20 .

A bearing housing 96 is installed on the rear part 21 of the tub 20 to rotatably support the shaft 90 . The bearing housing 96 may be made of an aluminum alloy and may be inserted into the rear portion 21 of the tub 20 when the tub 20 is injection molded.

Meanwhile, a display unit 14 for displaying a state of the washing machine 1 to a user may be provided on an upper front surface of the cabinet 10 . The display unit 14 may also include an input unit. A printed circuit board assembly (not shown) may be provided on the upper front surface of the cabinet 10 .

A cover 19 covering the filter device 100 may be provided at a lower portion of the front of the cabinet 10 . A user may access the filter device 100 by opening the cover 19 .

The washing machine 1 may include a drain pump 80 disposed under the tub 20 and discharging water inside the tub 20 to the outside of the washing machine 1 . The drain pump 80 may be connected to the drain port 81 of the tub 20 through a connection hose 82 so that water inside the tub 20 flows into the drain pump 80 .

The washing machine 1 may include a filter device 100 for filtering water discharged from the drain pump 80 . The filter device 100 may be disposed adjacent to the drain pump 80 at the lower side of the tub 20 . The filter device 100 may be connected to the drain pump 80 through the first circulation hose 83 and the first drain hose 85 so that water may be supplied from the drain pump 80 to the filter device 100. there is. The filter device 100 includes the tub 20 and the second circulation hose 84 so that water flowing into the filter device 100 through the first circulation hose 83 is filtered and guided to the tub 20. can be connected via The filter device 100 may be connected to the second drain hose 86 so that water flowing into the filter device 100 through the first drain hose 85 is filtered and guided to the outside of the cabinet 10. there is.

Figure 3 shows the filter device shown in Figure 2; FIG. 4 shows the filter device shown in FIG. 3 in an exploded view.

3 and 4, the filter device 100 includes a filter housing 110, a filter 120 rotatably coupled to the filter housing 110, and a filter configured to rotate the filter 120. A driving device 130 may be included.

The filter housing 110 may include a substantially cylindrical housing body 111 . A filter mounting portion 111a may be formed inside the housing body 111 so that the filter 120 can be rotatably inserted therein.

A circulation inlet 113, a circulation outlet 114, a drain inlet 115, and a drain outlet 116 may be provided on the outer circumferential surface of the housing body 111.

The circulation inlet 113 may be connected to the drain pump 80 through the first circulation hose 83 . Water discharged from the drain pump 80 through the circulation inlet 113 may flow into the filter device 100 .

The circulation outlet 114 may be provided to discharge water introduced into the filter device 100 through the circulation inlet 113 to the tub 20 . The circulation discharge unit 114 may be connected to the tub 20 through the second circulation hose 84 .

The drain inlet 115 may be connected to the drain pump 80 through the first drain hose 85 . Water discharged from the drain pump 80 through the drain inlet 115 may flow into the filter device 100 .

The drain outlet 116 may be provided to discharge water flowing into the filter device 100 through the drain inlet 115 to the outside of the cabinet 10 . The drain outlet 116 may be connected to the second drain hose 86 .

The filter housing 110 may include a case guide 112 for limiting a rotation range of the filter 120 . The case guide 112 may guide the position adjusting unit 122 of the filter 120 . The case guide 112 may have a groove shape. As the case guide 112 guides the position adjuster 122, the filter 120 filters the water flowing in from the drain pump 80 and discharges it to the tub 20, and the drain pump 80 It may rotate between a second position for filtering water introduced from the cabinet 10 and discharging it to the outside of the cabinet 10 .

The filter housing 110 may include a housing cover 117 provided to cover the filter mounting portion 111a of the housing body 111 in which the filter 120 is accommodated. The housing cover 117 may be detachably mounted on the housing body 111 . The housing cover 117 may support the filter 120 so that the filter 120 is rotatable.

The filter housing 110 may include a housing sealing member 118 for sealing a gap between the housing cover 117 and the housing body 111 .

The filter 120 may include a first filter unit 126 and a second filter unit 127 . The second filter unit 127 may be provided to collect dirt having a different size from that of the first filter unit 126 . The first filter unit 126 may be provided to filter dirt having a larger size than the second filter unit 127 .

The filter 120 may include a filter case 121 in which the first filter unit 126 and the second filter unit 127 are detachably mounted. The filter case 121 may include a first filter accommodating part 123 in which the first filter part 126 is accommodated, and a second filter accommodating part 124 in which the second filter part 127 is accommodated. The second filter accommodating part 124 may be provided to be partitioned from the first filter accommodating part 123 along the circumferential direction of the filter 120 . The first filter accommodating portion 123 may be larger than the second filter accommodating portion 124 .

A circulation passage may be formed inside the first filter accommodating part 123 . A drain passage may be formed inside the second filter accommodating part 124 .

The filter 120 may include a first filter accommodating part 123 and a second filter accommodating part 124 and a passage part 125 provided to be partitioned along the circumferential direction of the filter 120 . The passing portion 125 may be smaller than the second filter accommodating portion 124 .

The filter case 121 has a first filter inlet 123a formed to correspond to the circulation inlet 113 and a circulation outlet 114 when the filter 120 is in the first position. A first filter outlet 123b may be included. The first filter inlet 123a and the first filter outlet 123b may be formed in the first filter accommodating part 123 .

When the filter case 121 is in the second position, the filter case 121 has a second filter inlet 124a (see FIG. 6) formed to correspond to the drain inlet 115 and the drain outlet 116. A second filter outlet 124b (see FIG. 6 ) formed to correspond may be included. The second filter inlet 124a and the second filter outlet 124b may be formed in the second filter accommodating part 124 .

When the filter case 121 is in the first position, the filter case 121 includes a passage inlet portion 125a formed to correspond to the drain inlet portion 115 and a passage and discharge portion formed to correspond to the drain discharge portion 116. A portion 125b may be included. The passage inlet 125a and the passage outlet 125b may be formed in the passage 125 .

The filter 120 includes a filter cap 128 detachably coupled to the filter case 101 to cover the first filter accommodating portion 123, the second filter accommodating portion 124, and the passing portion 125. can include

The filter 120 may include a cap sealing member 129 for sealing between the filter case 121 and the filter cap 128 .

The filter case 121 may include a position adjusting unit 122 . The position adjusting unit 122 may be located at one end of the filter case 121 . The position adjusting unit 122 may protrude from the outer surface of the filter case 121 along the radial direction of the filter 120 . The position adjusting unit 122 may be guided by the case guide 112 of the filter housing 110 .

The filter driving device 130 may rotate the filter 120 to a first position where the first filter unit 126 communicates with the circulation inlet 113 and the circulation outlet 114 . The filter driving device 130 may rotate the filter 120 to a second position where the second filter unit 127 communicates with the drain inlet 115 and the drain outlet 116 .

The filter driving device 130 may include a filter motor 131 and a filter shaft 132 provided to transmit power of the filter motor 131 to the filter 120 . The filter motor 131 may be fixed to the filter housing 110 . The filter shaft 132 may be inserted into and fixed to the filter case 121 of the filter 120 .

The filter device 100 may include a filter shaft bearing 134 mounted on a portion of the filter case 121 into which the filter shaft 132 is inserted. The filter device 100 may include a shaft sealing member 133 for sealing a gap between the filter shaft 132 and the filter case 121 .

FIG. 5 shows a control block diagram of the washing machine shown in FIG. 1 .

Referring to FIG. 5 , the washing machine 1 may include a controller 60. The control unit 60 may be electrically connected to the display unit 14 . When a user inputs a command through the display unit 14 , the control unit 60 may receive the user's command from the display unit 14 .

The control unit 60 may be electrically connected to the driving motor 40 and/or the filter driving device 130 . The controller 60 may control the driving motor 40 and/or the filter driving device 130 based on information received from the display unit 14 .

FIG. 6 shows the flow of wash water while the filter shown in FIG. 4 is in the first position. FIG. 7 shows the filter device shown in FIG. 6 from the front. FIG. 8 shows a cross section taken along line A-A indicated in FIG. 6 . FIG. 9 shows the flow of wash water while the filter shown in FIG. 4 is in the second position. FIG. 10 shows the filter device shown in FIG. 9 from the front. FIG. 11 shows a cross section taken along line B-B indicated in FIG. 9 .

6 to 11, the operation of the filter device 100 according to the cycle of the washing machine 1 will be described.

6 to 8, while the washing machine 1 circulates the wash water in the tub 20, the controller 60 controls the filter driving device 130 to move the filter 120 to the first position. rotate Specifically, when washing water in the tub 20 is circulated while the washing machine 1 performs the washing and rinsing processes, the filter 120 is in the first position. When the filter 120 is in the first position, as the case guide 112 guides the position adjuster 122, the filter 120 may be restricted from rotating counterclockwise.

When the filter 120 is positioned in the first position, the first filter accommodating space 123 may communicate with the circulation inlet 113 and the circulation outlet 114 . When the filter 120 is in the first position, the second filter accommodating space 124 is located so as not to communicate with the drain inlet 115 and the drain outlet 116 . When the filter 120 is in the first position, the passage part 125 may be positioned to communicate with the drain inlet 115 and the drain outlet 116 .

Water discharged from the drain pump 80 may flow into the filter 120 through the circulation inlet 113 . Water flowing into the filter 120 may be filtered in the first filter unit 126 . Water filtered by the first filter unit 126 may be discharged to the outside of the filter 120 through the circulation discharge unit 114 .

9 to 11, while the washing machine 1 discharges wash water from the tub 20 to the outside of the cabinet 10, the controller 60 controls the filter driving device 130 to filter ( 120) to the second position. Specifically, when the washing machine 1 drains the wash water from the tub 20 after performing the washing and rinsing steps, or when the washing machine 1 performs the spin-drying step, the filter 120 moves to the second position. will be in When the filter 120 is in the second position, as the case guide 112 guides the position adjuster 122, the filter 120 may be restricted from rotating clockwise.

When the filter 120 is positioned in the second position, the second filter accommodating space 124 may communicate with the drain inlet 115 and the drain outlet 116 . When the filter 120 is in the second position, the first filter accommodating space 123 is located so as not to communicate with the circulation inlet 113 and the circulation outlet 114 . When the filter 120 is in the second position, the passage part 125 may be positioned to communicate with the circulation inlet 113 and the circulation outlet 114 .

Water discharged from the drain pump 80 may flow into the filter 120 through the drain inlet 115 . Water flowing into the filter 120 may be filtered by the second filter unit 127 . Water filtered by the second filter unit 127 may be discharged to the outside of the filter 120 through the drain discharge unit 116 .

Meanwhile, while the washing water of the tub 20 is being discharged to the outside of the cabinet 10, when the second filter unit 127 is clogged, the controller 60 controls the filter driving device 130, so as shown in FIG. As shown, the filter 120 may be rotated to the first position so that the passage part 125 communicates with the drain inlet 115 and the drain outlet 116 .

According to this configuration, the filter device 100 shown in FIGS. 1 to 11 has a plurality of filter units 126 and 127 to collect dirt of various sizes in response to the cycle performed by the washing machine 1. Since the position of the filter 120 can be changed, the lifespan of the filter 120 can be increased.

12 is a view showing a filter device 200 according to another embodiment of the present invention. FIG. 13 shows the flow of water passing through the filter of the filter device shown in FIG. 12 in a cross section taken along the line C-C in FIG. 12 . FIG. 14 shows the flow of water that does not pass through the filter of the filter device shown in FIG. 12 in a cross section along the line C-C indicated in FIG. 12 .

A filter device 200 according to another embodiment of the present invention will be described with reference to FIGS. 12 to 14 . The same reference numerals are assigned to components identical to those of the filter device 100 shown in FIGS. 1 to 11, and detailed descriptions may be omitted.

Referring to FIGS. 12 to 14 , the filter device 200 may include a filter housing 210 . A bypass passage 210a may be formed inside the filter housing 210 .

The filter device 200 may include a first filter driving device 231 configured to open and close the circulation passage and second filter driving devices 236 and 237 configured to open and close the drain passage.

The filter device 200 may include a first filter part 223 forming a circulation passage and a second filter part 224 forming a drainage passage. Since the inside of the first filter unit 223 and the inside of the second filter unit 224 are provided identically, only the second filter unit 224 will be described below for convenience of description.

Referring to FIGS. 13 and 14 , the second filter driving devices 236 and 237 may include a 2a filter driving device 236 and a 2b filter driving device 237 . The 2a filter driving device 236 may drive the first damper 236a, and the 2b filter driving device 237 may drive the second damper 237a.

Referring to FIG. 13 , in order to allow the water flowing into the filter device 200 to pass through the filter 227, the 2a filter driving device 236 drives the first damper 236a to the filter device 200. The flow path through which the inflowing water passes through the filter 227 can be opened, and the 2b filter driving device 237 drives the second damper 237a so that the water passing through the filter 227 is filtered by the filter device 200. can be discharged to the outside.

Referring to FIG. 14 , in order to prevent water flowing into the filter device 200 from passing through the filter 227, the 2a filter driving device 236 drives the first damper 236a so that the filter device 200 The water flowing into the filter housing 210 may be directed to the bypass passage 210a, and the 2b filter driving device 237 drives the second damper 237a to remove the water passing through the bypass passage 210a. It can be discharged to the outside of the filter device 200.

According to this configuration, in the case of the filter device 200 shown in FIGS. 12 to 14, water discharged from the drain pump 80 passes through the circulation passage in response to the washing, rinsing, and spin-drying processes being performed. or pass through the drainage channel, it is possible to collect dirt of various sizes.

15 shows a washing machine according to another embodiment of the present invention.

Referring to FIG. 15, a washing machine 2 according to another embodiment of the present invention will be described. Components identical to those of the washing machine 1 shown in FIG. 2 are given the same reference numerals and detailed descriptions may be omitted.

Referring to FIG. 15 , the washing machine 2 may include the same filter device 100 as the filter device 100 shown in FIG. 2 . The filter device 100 may be located at the upper rear of the tub 20 . The drain pump 80 may pump water introduced from the tub 20 to the filter device 100 . According to this configuration, the washing machine 2 shown in FIG. 15 can efficiently dispose the filter device 100 in the limited space inside the cabinet 10 .

In the above, specific embodiments have been illustrated and described. However, it is not limited to the above embodiments, and those skilled in the art will be able to make various changes without departing from the gist of the technical idea of the invention described in the claims below. .

1, 2; washing machine
100, 200; filter device
110; filter housing
120; filter
121; filter case
123; First filter accommodating part
124; Second filter accommodating part
125; passage
126; 1st filter part
127; 2nd filter part
130; filter drive

Claims (20)

cabinet;
a tub disposed inside the cabinet;
a drainage pump connected to the tub; and
Including; a filter device provided to filter the water flowing in from the drain pump;
The filter device,
filter housing;
a filter rotatably coupled to the filter housing, having a first filter unit and a second filter unit provided to collect dirt having a size different from that of the first filter unit; and
Washing machine comprising a; filter driving device configured to rotate the filter. According to claim 1,
The filter housing,
a circulation inlet connected to the drain pump;
a circulation outlet configured to discharge water introduced through the circulation inlet to the tub;
a drain inlet connected to the drain pump; and
A washing machine comprising: a drain discharge unit provided to discharge water introduced through the drain inlet through a drain hose extending out of the cabinet. According to claim 2,
The filter driving device,
rotating the filter to a first position in which the first filter unit communicates with the circulation inlet and circulation outlet;
The washing machine is configured to rotate the filter to a second position in which the second filter unit communicates with the drain inlet and the drain outlet. According to claim 3,
While the washing water in the tub is circulating, the filter is located in the first position,
The washing machine configured to position the filter in the second position while the washing water of the tub is discharged to the outside of the cabinet. According to claim 3,
The filter includes a filter case in which the first filter unit and the second filter unit are detachably mounted,
The filter case,
a first filter accommodating portion accommodating the first filter portion;
a second filter accommodating portion accommodating the second filter portion and provided to be partitioned from the first filter accommodating portion along a circumferential direction of the filter; and
A washing machine comprising: a passage part provided to be divided along the circumferential direction of the first filter accommodating part, the second filter accommodating part, and the filter. According to claim 5,
The filter,
a filter cap detachably coupled to the filter case to cover the first filter accommodating part, the second filter accommodating part, and the passage part; and
and a cap sealing member sealing between the filter case and the filter cap. According to claim 5,
The filter case includes a position adjusting unit,
The filter housing includes a case guide for guiding the position adjuster so that the filter is rotatable between the first position and the second position. According to claim 5,
the passage,
When the filter is located in the first position, it is positioned to communicate with the drain inlet and the drain outlet,
The washing machine provided to be positioned so as to communicate with the circulation inlet and circulation outlet when the filter is located in the second position. According to claim 8,
While wash water in the tub is discharged to the outside of the cabinet, when the second filter part is blocked, the filter is positioned in the first position so that the passage part communicates with the drain inlet part and the drain discharge part. According to claim 5,
The washing machine wherein the first filter accommodating portion is provided to be larger than the second filter accommodating portion. According to claim 10,
The passing portion is provided to be smaller than the second filter accommodating portion. According to claim 5,
The filter case,
a first filter inlet formed to correspond to the circulation inlet when the filter is in the first position;
a first filter outlet formed to correspond to the circulation outlet when the filter is in the first position;
a second filter inlet formed to correspond to the drain inlet when the filter is in the second position;
a second filter outlet formed to correspond to the drain discharge portion when the filter is in the second position;
a passage inlet portion formed to correspond to the drain inlet portion when the filter is in the first position; and
A washing machine comprising a passage and discharge portion formed to correspond to the drain discharge portion when the filter is in the first position. According to claim 12,
The first filter inlet and the first filter outlet are formed in the first filter accommodating part,
The second filter inlet and the second filter outlet are formed in the second filter accommodating part,
The passage inlet and the passage outlet are formed in the passage part. According to claim 1,
The washing machine according to claim 1 , wherein the first filter unit is provided to filter dirt larger than the size of the second filter unit. According to claim 1,
The washing machine wherein the filter device is disposed adjacent to the drain pump at the lower side of the tub. cabinet;
a tub disposed inside the cabinet;
a drainage pump connected to the tub; and
a filter device provided to filter water introduced from the drain pump; and
Including; a control unit provided to control the filter device;
The control unit,
Controlling the filter device so that water supplied from the drain pump passes through the circulation passage of the filter device and is filtered while the wash water in the tub is circulated;
and controlling the filter device so that water supplied from the drain pump passes through the drain passage of the filter device and is filtered while the washing water of the tub is discharged to the outside of the cabinet. According to claim 16,
The filter device,
a first filter unit disposed on the circulation passage; and
and a second filter unit disposed on the drain passage and provided to collect dirt having a size different from that of the first filter unit. According to claim 17,
The filter device includes a filter driving device configured to change positions of the first filter unit and the second filter unit. According to claim 17,
The filter device,
a circulation opening/closing device configured to open or close the circulation passage; and
and a drain opening/closing device configured to open or close the drain passage. According to claim 16,
The filter device is disposed on the upper rear side of the tub.

Images