KR20060036750A - Washer or dishwasherwater with purifying apparatus - Google Patents

Abstract

The present invention relates to a washing machine or a dishwasher equipped with a water purifying device, a tub disposed inside the cabinet to accommodate water and a drum into which laundry is introduced, the tub being rotatably disposed therein, and a water supply valve installed at one side of the cabinet; An external water supply passage connected between the water supply valve and an external water source to guide water to the water supply valve, an internal water supply passage connected between the water supply valve and the tub to guide water to the tub, and one end of the water supply valve And a water purifying device installed in communication with the tub to purify the water supplied to the tub, to prevent contamination of laundry or tableware due to contaminants contained in the water to be supplied, and to increase the amount of detergent used, There is an advantage that the washing performance of the washing machine or the washing performance of the dishwasher is improved.

Washing machine, dish washer, feed valve, feed hose, circulation pump, circulation hose, water purifier

Description

Washing machine or dishwasher with water purifier {Washer or DishwasherWater with purifying apparatus}             

1 is a cross-sectional view of a drum washing machine in which a water purifier according to a first embodiment of the present invention is installed before a water supply valve;

2 is an exploded perspective view of a drum washing machine in which a water purifier according to a first embodiment of the present invention is installed before a water supply valve;

3 is a cross-sectional view showing a water purifier according to a first embodiment of the present invention;

4 is an exploded perspective view showing a water purifier according to a first embodiment of the present invention;

5 is a perspective view of the filter guide shown in FIG. 4 viewed from another direction;

6 is a cross-sectional view of the drum washing machine installed after the water supply valve according to the second embodiment of the present invention;

7 is a sectional view of a drum washing machine in which a water purifier according to a third embodiment of the present invention is installed after a circulation pump;

8 is a partially cutaway perspective view of a drum washing machine in which a water purifier according to a third embodiment of the present invention is installed after a circulation pump;

9 is a cross-sectional view of the dishwasher in which the water purifier according to the fourth embodiment of the present invention is installed before the water supply valve;

10 is an exploded perspective view of a dishwasher in which a water purifier according to a fourth embodiment of the present invention is installed before a water supply valve;

11 is a cross-sectional view of the dishwasher installed after the water supply valve according to the fifth embodiment of the present invention;

12 is a cross-sectional view of the dishwasher in which the water purifier according to the sixth embodiment of the present invention is installed after the washing pump.

<Explanation of symbols on main parts of the drawings>

1: drum washing machine 2: cabinet

4: spring 5: damper

6: tub 8: drum

10: lifter 12: motor

14: cabinet cover 16: door

17: gasket

18: top plate 20: water supply

22: water supply hose 24: water supply valve

26: laundry box 28: hose connector

30: drainage device 32: drainage hose

34: drain pump 36: bellows pipe                 

40,60,70: water purifier

41: filter casing 42: casing body

42a: outlet 43: cap

43a: inlet 44: filter

45: filter guide 46: upper guide

47: outer guide 48: inner guide

49a: First Sealing 49b: Second Sealing

50: circulation device 52: circulation pump

54: circulation hose 56: pump casing

100: dishwasher 102: cabinet

104: door 106: washing tank

108: shelf 110: nozzle

112: sump 114: washing pump

116: water softener 117: blower

118: guide tub 120: water supply

122: water supply hose 124: water supply valve

126: water supply passage 128: hose connector

130: drainage 132: drainage hose

134: drain pump 136: drain passage

140,160,170: water purifier

The present invention relates to a washing machine or a dishwasher, and more particularly, to a washing machine or a dishwasher having a water purifying device capable of improving the performance of the washing machine or the dishwasher by installing a water purifying device inside the washing machine or the dishwasher.

Generally, a washing mechanism is a mechanism for washing or washing an object to be cleaned by water, detergent, and mechanical action, such as a washing machine and a dishwasher.

Washing machine is a device for washing laundry through the process of washing, rinsing, dehydration, drying to remove the contamination on clothes, bedding, etc. (hereinafter referred to as laundry) by using the action of water and detergent.

Such a washing machine is largely classified into an agitator type, a pulsator type, a drum type washing machine, and the like according to a washing method.

The stirring type is washed by rotating the laundry rod towered on the center of the washing tank left and right, the vortex type is rotated by rotating the disk-shaped wing formed in the lower part of the washing tank left and right to wash using the friction force between the water and the cloth, the drum type The drum is rotatably arranged inside the tub so that water, detergent and cloth are put into the drum, and the drum is rotated and washed.

The washing machine is provided with a water supply device for receiving water from an external water source. The water supply device is provided with a water supply hose for guiding water from an external water source to a washing tub or a tub, and is provided at one side of the water supply hose. It is configured to include a water supply valve for regulating the water supplied through the water supply hose.

In addition, one side of the water supply device as described above is installed in the detergent box in which the detergent is accommodated in communication with the water supplied to the interior of the washing tub or tub.

Recently, a drum type washing machine is provided with a circulator for circulating water to improve washing performance. The circulator is provided with a circulation passage connecting a lower portion and an upper portion of the tub, and installed at one side of the circulation passage. It consists of a circulation pump for pumping the water.

Therefore, when the drum type washing machine washes, water stored in the lower part of the tub is circulated to the upper part of the tub by the circulation pump and is supplied to the upper side of the laundry introduced into the tub.

The dishwasher is a device for washing food residues on dishes and bowls (hereinafter, referred to as dishware) using water and detergents. There are two types of dishwashers, a shower type and an ultrasonic type.

The shower-type dishwasher is washed by strongly spraying cold water or warm water dissolved in detergent on the dishes stored on the shelf, and the ultrasonic dishwasher puts the dishes in water and vibrates the water with ultrasonic waves to cavitation (cavitation) It generates a small bubble-shaped low pressure space) and washes with that force.

Here, the shower dishwasher is mainly used for home use, the washing tank is installed inside the cabinet, the shelf is placed inside the washing tank is disposed, the water used for washing the dishes in the lower side of the washing tank This sump is installed. A washing pump for pumping water of the sump is installed under the washing tank, and a nozzle for spraying water pumped by the washing pump onto the shelf is installed in communication with the washing pump under the shelf.

The dishwasher is provided with a water supply device for receiving water from an external water source, and the water supply device is provided on a water supply hose for guiding water from the external water source to the dishwasher, and on one side of the water supply hose. A water supply valve for regulating the water supplied through the water supply hose, and a water supply passage that is directly connected to the water supply valve or connected to a separate water supply passage to guide the water supplied to the sump side.

However, the washing machine or the dishwasher according to the prior art is water used to wash laundry or dishware by the water supply device, but when the external water source is contaminated, the water supplied through the water supply device is contaminated. Since the furnace is supplied to the inside of the washing machine or the dishwasher, the performance of the washing machine and the dishwasher is not only deteriorated, but there is a problem that the washing water or the dishware are recontaminated by the water supplied.

If contaminants are included in the water supplied through the water supply device as described above, the laundry and the dishware are recontaminated, there is a problem that the amount of detergent used when washing the washing machine or washing the dishwasher is increased.

In addition, the drum type washing machine equipped with a circulation device according to the prior art is washing the laundry while the water stored in the tub is circulated by the circulation device, the water used for washing is circulated and supplied to the laundry by the circulation device, circulation There is a problem that the laundry may be recontaminated by contaminants contained in the water.

In addition, the dishwasher according to the prior art is to recover the water used to wash the dish as a sump, and to filter the various residues by a separate filter unit and then reuse. Therefore, although the conventional dishwasher may include contaminants in the water supplied through the water supply device, there is a problem that contaminants are included in the water pumped to the nozzle by the washing pump due to the reuse of water.

The present invention has been made to solve the above problems, an object of the present invention is to improve the water quality of the water supplied to the washing machine or the dishwasher water is installed in the water supply of the washing machine or dishwasher, washing the washing machine The present invention provides a washing machine or a dishwasher equipped with a water purifying device capable of improving performance or washing performance of a dishwasher and reducing detergent usage.                         

In addition, another object of the present invention is to provide a washing machine equipped with a water purifying apparatus is installed in the circulation device of the washing machine to improve the water quality of the water circulated by the circulation device, the washing performance of the washing machine can be improved. have.

In addition, another object of the present invention is a water purifier is installed on one side of the washing pump of the dishwasher to improve the water quality of the water reused by the washing pump, there is provided a water purifying apparatus that can improve the washing performance of the dishwasher To provide an old washing machine.

Washing machine equipped with a water purifier according to an embodiment of the present invention for realizing the above object is a tub disposed in the interior of the cabinet is accommodated in the water rotatably disposed inside the drum, and one side of the cabinet An external water supply passage installed at the water supply valve, the external water supply passage connected between the water supply valve and an external water source to guide water to the water supply valve, and an internal water supply passage connected between the water supply valve and the tub to guide water to the tub; It is installed in communication with one end of the water supply valve is characterized in that it comprises a water purification device for purifying the water supplied to the tub.

The water purifying device is installed in communication between the water supply valve and the external water supply passage, or is installed in communication between the water supply valve and the internal water supply passage.

In addition, a washing machine equipped with a water purifying apparatus according to another embodiment of the present invention is a tub disposed in the interior of the cabinet to accommodate the water and the laundry is inserted into the drum rotatably disposed therein, the circulation pump installed on one side of the cabinet And a first circulation passage connected between the circulation pump and the bottom of the tub to guide the water stored in the lower portion of the tub to the circulation pump, and water connected between the circulation pump and the tub and pumped by the circulation pump. It characterized in that it comprises a second circulation passage for guiding the upper portion of the tub and the water purification device is installed in communication between the second circulation passage and the circulation pump to purify the water circulated to the tub.

In addition, the dishwasher equipped with a water purifying apparatus according to an embodiment of the present invention and the washing tank installed in the interior of the cabinet, the lower side of the washing tank is sprayed with water through the nozzle in the washing tank to wash the dishes contained in the washing tank A washing pump, a water supply valve installed at one side of the cabinet, an external water supply passage connected between the water supply valve and an external water source to guide water to the water supply valve, and connected between the water supply valve and the washing pump And an internal water supply passage for guiding water to the pump, and a water purification device installed on the water supply passage for supplying water to the inside of the washing tank to purify the water sprayed into the washing tank.

The water purifying device is installed in communication between the water supply valve and the external water supply passage, or is installed in communication between the water supply valve and the internal water supply passage.

In addition, the dishwasher equipped with a water purifier according to another embodiment of the present invention is installed so that the water purifier is communicated between the washing pump and the nozzle.

On the other hand, the water purifying device is a filter casing formed on one side and the inlet for the water flow in the other side is formed on the other side, the filter casing is disposed inside the filter casing and after flowing into the inlet to purify the water flowing out of the outlet And a filter guide disposed between the filter and the filter casing to fix the filter to the inside of the filter casing and to form an internal flow path of the filter casing.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a cross-sectional view of a drum washing machine in which a water purifier according to a first embodiment of the present invention is installed before a water supply valve, and FIG. 2 is an exploded view of a drum washing machine in which a water purifier according to a first embodiment of the present invention is installed before a water supply valve. Perspective view.

As shown in FIG. 1 or 2, the drum washing machine according to the first embodiment of the present invention includes a cabinet 2 forming an exterior of the drum washing machine 1 and a spring installed inside the cabinet 2. A tub 6 supported by the damper 5, a drum 8 installed inside the tub 6 and rotating the laundry, and an inner surface of the drum 8; Lifter 10 for lifting the laundry at a certain height after lifting the laundry during rotation of the drum 8 and a motor 12 mounted to the rear of the tub 6 to which the drum 8 and the rotating shaft are connected. ), A cabinet cover 14 mounted on the front of the cabinet 2 and having a laundry entrance for inputting and withdrawing laundry, and the cabinet cover 14 for opening and closing the laundry entrance of the cabinet cover 14. It comprises a door 16 installed rotatably in the.

Here, a gasket 17 is provided between the tub 6 and the laundry entrance of the cabinet cover 14 to alleviate the impact caused by the rotation of the drum 8 and to prevent the washing water from overflowing to the outside. .

In addition, a top plate 18 is mounted on an upper surface of the cabinet 2, and a water supply hose 22 is provided below the top plate 18 to supply water and detergent to the tub 6 from an external water source. And a water supply device 20 consisting of a water supply valve 24 and a detergent box 26 is installed.

The water supply hose 22 is a first water supply hose 22a connected between the water supply valve 24 and an external water source, and a second water supply hose 22b connected between the water supply valve 24 and the laundry box 26. And a third water supply hose 22c connected between the laundry box 26 and the water supply valve 24.

In addition, the lower side of the tub 6 is provided with a drainage device 30 consisting of a drain hose 32, a drainage pump 34 and a bellows pipe 36 to discharge the water used for washing and rinsing to the outside. do.

That is, the water stored in the tub 6 through the bellows pipe 36 flows to the drain pump 34, and the water pumped by the drain pump 34 passes along the drain hose 32. It is discharged to the outside.

On the other hand, one side of the water supply device 20 is installed in communication with the water purification device 40 for purifying the water supplied from the external water source so that the contaminated water is not supplied to the inside of the tub (6). The water purifier 40 is installed before the detergent box 26 of the water supply device 20, it is preferably installed to communicate with the connection portion of the water supply valve 24 and the water supply hose 22.                     

Specifically, the water purifier 40 may be installed at both the front and the rear of the water supply valve 24 based on the flow direction of water, but in this embodiment, one end of the water supply valve 24 and the first water supply hose ( The water purifying device 40 is installed at the connection portion of 22a).

Therefore, when the water purifying device 40 is installed at one end of the water supply valve 24 and the first water supply hose 22a, the water purifying device 40 is a water supply valve located outside the cabinet 2. Since it is assembled to one end of the 24 and the first water supply hose 22a, the installability and maintainability of the water purifying device 40 are improved, and the securing of a work space for assembling the water purifying device 40 is also advantageous. do.

Hose connector 28 is separately installed between the water purification device 40 and the water supply hose 22 so that the flexible water supply hose 22 is more stably connected to the water purification device 40 as described above.

The hose connector 28 is a connection member for smoothly connecting the water purifier 40 and the water supply hose 22. The water purifier 40 and the water supply hose 22 are easily detached and the water purifier is provided. The watertight performance between the water purifier 40 and the water supply hose 22 is improved so that water does not leak between the 40 and the water supply hose 22.

Therefore, the hose connector 28 is generally installed between the first water supply hose 22a and the water supply valve 24 where detachment of the water supply hose 22 is frequently performed.

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

First, the door 16 is opened, laundry is introduced into the drum 8, and an appropriate amount of detergent is introduced into the detergent box 26 of the water supply device 20. When the drum washing machine 1 is operated after the door 16 is closed, the washing course and the water level are determined according to the quantity of laundry put into the drum 8.

The water supply valve 24 of the water supply device 20 is opened to supply water from the external water source to the tub 6 through the water supply valve 24 and the water supply hose 22.

At this time, the pollutant contained in the water is filtered by the water purification device 40 installed in communication between the water supply valve 24 and the first water supply hose 22a, and the water purified by the water purification device 40 is removed. Silver is dissolved with the detergent while passing through the detergent box 26 is supplied into the tub (6).

Therefore, the water purified by the water purifier 40 is introduced into the water supply valve 24 to prevent the water supply valve 24 from being blocked by foreign matter.

When the water level of the water stored in the tub 6 reaches the set level for washing, the water supply valve 24 is closed to stop the water supply, and the drum 8 is rotated by the motor 12 to wash the laundry. Washed.

When the washing process of the drum washing machine 1 as described above is completed, the water used for washing in the tub 6 is drained to the outside by the drainage device 30, and clean water is discharged by the water supply device 20. After being refilled to the rinsing level, the drum 8 is rotated to perform a rinse cycle of the laundry.                     

Of course, the water used for rinsing as described above is also supplied to the inside of the tub 6 in a clean state purified by the water purifier 40.

This washing stroke and rinsing stroke are repeatedly performed for a predetermined number of times to wash the laundry put into the drum 8.

On the other hand, the installation process of the water purifier 40 is installed so that one side of the water purifier 40 is in communication with the water supply valve 24 protruding to the outside of the cabinet 2, the water purification installed in the water supply valve 24 One end of the hose connector 28 is installed on the other side of the device 40, and the first feed hose 22a is assembled in communication with the other end of the hose connector 28.

Therefore, the water purifying device 40 is assembled together in the process of connecting the first water supply hose 22a between the water supply valve 24 and the external water source when the drum washing machine 1 is installed.

3 is a cross-sectional view showing a water purifier according to a first embodiment of the present invention, Figure 4 is an exploded perspective view showing a water purifier according to a first embodiment of the present invention, Figure 5 is a filter shown in Figure 4 A perspective view of the guide viewed from different directions.

Here, the same reference numerals as the above-mentioned drawings indicate the same members.

The water purifier 40 of the drum washing machine according to the first embodiment of the present invention, as shown in Figures 3 to 5, between the water supply valve 24 and the first water supply hose 22a of the water supply device 20 A filter casing 41 installed in communication with the filter, a filter 44 disposed inside the filter casing 41 to purify water supplied through the water supply device 20, and the filter 44 and the filter casing. And a filter guide 45 disposed between the 41 to fix the filter 44 and to form an internal flow path of the filter casing 41.

The filter casing 41 may include a casing body 42 having an outlet 42a connected to the water supply valve 24 at a lower portion thereof so that the water filtered by the filter 44 flows out to the water supply valve 24. The cap 43 is fastened and assembled at the upper portion of the casing body 42 and has an inlet 43a connected to the first water supply hose 22a so that water is introduced from the first water supply hose 22a. It is composed of

Here, the cap 43 is fastened to the upper portion of the casing body 42 by a screw method, the handle portion 43b is formed along the circumference so that the outer surface can be easily fastened manually. That is, a male screw is formed on the lower outer periphery of the cap 43, and a female screw is formed inside the upper portion of the casing body 42.

The handle portion 43b is provided with a grip feeling so that the grip of the cap 43 is more smooth during the fastening operation, a plurality of spaced apart at equal intervals along the circumference of the cap 43.

The inlet 43a has a male screw formed on the outer circumference thereof, so that one end of the hose connector 28 is connected, and the hose connector 28 has a female screw coupled to the male screw of the inlet 43a at one end thereof. The first water supply hose 22a is connected.

In addition, the casing body 42 is equipped with a first seal ring 49a so that water does not leak to a portion where the cap 43 is screwed, and an outlet port to which the water supply valve 24 is connected. A second seal ring 49b is mounted to the outlet 42a so that water does not leak through 42a.

The filter guide 45 is horizontally disposed below the inlet 43a to guide the water flowing into the inlet 43a toward the inner side of the cap 43, and the upper guide 46. The filter 44 between the outer guide 47 and the outer guide 47 formed with a plurality of through-holes 47a protruding downward from the upper surface of the casing body 42 and being raised and passing water therethrough. It consists of an inner guide 48 formed with a plurality of passages (48a) protruding downward from the upper guide 46 so that the fitting is fixed.

The upper guide 46 is formed in a disk shape so that a predetermined interval is formed between the inner surface of the cap 43.

The outer guide 47 protrudes downward from the lower surface of the upper guide 46 in a tubular shape, and the plurality of through holes 47a extends over the entire area so that water guided by the upper guide 46 flows inward. Is formed. The outer guide 47 has an upper end integrally formed with the upper guide 46 and the lower end is located at the bottom of the casing body 42 to support the entire filter guide 45.

The inner guide 48 protrudes downward from the lower surface of the upper guide 46 so as to be disposed inside the outer guide 47 so as to be spaced apart from each other. The plurality of inner guides 48 are disposed in a tubular shape as a whole, and a space for mounting the filter 44 is formed between the outer guides 47 and the water purified by the filter 44 is inside. Passages 48a are respectively formed between the plurality of inner guides 48 so that they can flow therethrough.

On the other hand, the lower end of the inner guide 48 is connected to the outlet (42a) so that the hollow interior is in communication with the outlet (42a) of the casing body 42, thereby opening the passage (48a) of the inner guide 48 Water introduced into the through is discharged to the water supply valve 74 through the outlet 42a.

The filter 44 is formed in a cylindrical shape having a hollow inside so as to be fitted between the outer guide 47 and the inner guide 48 of the filter guide 45, and the hollow portion communicates with the outlet 42a. The filter casing 41 is disposed in the vertical direction.

The filter 44 as described above is formed to a predetermined thickness so that the outer peripheral surface is in close contact with the outer guide 47, the inner peripheral surface is in close contact with the inner guide 48. Accordingly, the filter 44 flows in water through the through hole 47a of the outer guide 47, and the water flows out through the passage 48a of the inner guide 48.

The filter 44 may be made of various materials and shapes so as to secure an optimal purification performance according to the contamination state of the water used in the drum washing machine (1).

Looking at the operation and effect of the water purifying apparatus of the drum washing machine according to the first embodiment of the present invention configured as described above are as follows.

First, when water is supplied from the external water source to the inside of the drum washing machine 1 through the water supply device 20 during the water supply of the drum washing machine 1, the water flowing along the first water supply hose 22a is filtered. It is introduced into the water purifier 40 through the inlet 43a formed in the cap of the casing 41.

Water introduced through the inlet 43a flows to the upper guide 46 of the filter guide 45 and then to the inner surface side of the cap 43 by the upper guide 46, and the upper guide 46. ) Flows between the casing body 42 and the outer guide 47 through the space between the cap 43 and the cap 43.

The water flowing between the casing body 42 and the outer guide 47 as described above flows into the outer circumferential surface of the filter 44 through the plurality of through holes 47a formed in the outer guide 47, and the filter 44. It flows into the inside of the filter 44 through the inner peripheral surface of the ().

At this time, various foreign substances and contaminants contained in the water are removed by the filter 44.

Then, the water purified by the filter 44 flows through the passage 48a of the inner guide 48 into the hollow interior of the inner guide 48 and flows into the inner guide 48. The water is discharged to the water supply valve 24 through the outlet 42a of the casing body 42.

The clean water flowing out to the water supply valve 24 is supplied to the inside of the tub 6 through the detergent box 26.

On the other hand, looking at the assembly process of the water purifier 40, after the filter 44 is fixed between the outer guide 47 and the inner guide 48 of the filter guide 45, the filter guide 45 is casing Raised on the bottom of the body 42, the cap 43 is fastened to the upper surface of the casing body 42 in the state that the filter guide 45 is raised to complete the assembly of the water purifier 40.

At this time, the casing body 42 and the cap 43 are fastened in a state where the first sealing ring 49a is installed at the fastening portion.

The water purifier 40 assembled as described above is fastened and fixed to the outlet 42a to the quick valve 24 so as to communicate with the water supply valve 24, and a hose connector to the inlet 43a of the water purifier 40. One end of 28 is connected. Thereafter, the first water supply hose 22a is connected to the other end of the hose connector 28 to complete the installation of the water purifier 40.

At this time, the water purifier 40 is coupled to the water supply valve 24 with the second sealing ring 49b disposed at the outlet 42a.

If the water supply valve 24 is composed of a hot water valve and a cold water valve, the water purifier 40 is installed in the hot water valve and the cold water valve, respectively, the water purifier 40 installed in the hot water valve can withstand high temperatures It is preferable that the filter casing 41, the filter 44, the filter guide 45, and the like are manufactured of a heat resistant material.

6 is a cross-sectional view of a drum washing machine in which a water purifier according to a second embodiment of the present invention is installed after a water supply valve.

Here, the same reference numerals as the above-mentioned drawings indicate the same members.

In the drum washing machine according to the second embodiment of the present invention, as shown in FIG. 6, the connection portion between the water supply valve 24 and the second water supply hose 22b of the water supply device 20 is used for purifying water to be supplied. The water purifier 60 is provided, and other configurations are the same as those of the first embodiment described above, and thus description thereof will be omitted.

That is, the water purifying device 60 has an inlet 43a connected to the other end of the water supply valve 24 and an outlet 42a connected to the second water supply hose 22b.

As described above, when the water purifying device 60 is installed at the connection portion between the water supply valve 24 and the second water supply hose 22b positioned inside the cabinet 2, the water purifying device 60 is connected to the cabinet 2. It is disposed in the interior of the drum washing machine (1) due to the installation of the water purifier 40 is prevented from deterioration.

Therefore, the water purifying device 60 is shipped with the water supply valve 24 and the second water supply hose 22b being assembled when the drum washing machine 1 is manufactured, and the water supply valve 24 and the second water supply are assembled. Since the removal work of the hose 22b is unnecessary, the hose connector 28 is not used.

7 is a cross-sectional view of a drum washing machine in which the water purifier according to the third embodiment of the present invention is installed after the circulation pump, and FIG. 8 is a part of the drum washing machine in which the water purifier according to the third embodiment of the present invention is installed after the circulation pump. It is a notch perspective view.

Here, the same reference numerals as the above-mentioned drawings indicate the same members.

As shown in FIGS. 7 and 8, the drum washing machine according to the third embodiment of the present invention has water stored in the tub 6 at the lower side of the tub 6 at the lower side of the cabinet 2 when washing and rinsing. The circulation device 50 for circulating and supplying to the upper side in the) is installed, the water purification device 70 for purifying the water circulated on the circulation flow path of the circulation device 50 is installed in communication, the other configuration is Since it is the same as the first embodiment described above, description thereof will be omitted.

The circulation device 50 is a device for increasing the water penetration rate of the laundry in a short time to increase the washing performance and the rinsing performance. The circulation device 52 is disposed below the tub 6 and connected to the bellows pipe 36. ) And a circulation hose 54 for guiding the water pumped by the circulation pump 52 to the inside of the tub 6 through the upper portion of the gasket 17.

Here, the bellows pipe 36 has an upper end connected to a drain hole (not shown) formed at the lower portion of the tub 6, and the lower end of the bellows pipe 36 is provided so that the circulation pump 52 and the drain pump 34 communicate with each other. Connected to 56.

A passage is formed in the pump casing 56 in communication with the drain pump 34 and the circulation pump 52, and a filter for filtering foreign substances such as seams mixed in water during washing and rinsing strokes on the inner passage. (Not shown) is disposed.

The pump casing 56 as described above is in a state where water stored in the tub 6 is always filled inside through the bellows pipe 36, and any one of the circulation pump 52 and the drain pump 34 is As optionally operated, the water filled therein is circulated or drained.

In addition, the circulation pump 52 has one side connected to the pump casing 56 and at the same time the water purification device 70 communicates with the other side, and one end of the circulation hose 54 has the water purification device 70. In addition to being connected in communication with the other end is installed to penetrate the upper side of the gasket (17).

Therefore, when washing and rinsing the drum washing machine 1, the circulation pump 52 pumps the water inside the pump casing 56 to the water purifier 70, and purified by the water purifier 70. Water is discharged into the gasket 17 through the circulation hose 54, the water discharged into the gasket 17 flows into the inlet of the drum 8 along the inner surface of the door 16 to the The laundry is fed into the drum (8).

In this case, since the detergent dissolved in the water stored in the tub 6 may be removed by the water purifying device 70, the circulation device 50 may be used only at the washing stroke before the detergent is introduced or at the rinse stroke without the detergent. Is preferably driven.

As described above, since the clean water purified by the water purifier 70 is continuously supplied to the laundry side of the drum washing machine 1, the washing and rinsing performance of the drum washing machine 1 is improved.

9 is a cross-sectional view of the dishwasher in which the water purifier according to the fourth embodiment of the present invention is installed before the water supply valve, and FIG. 10 is an exploded view of the dishwasher in which the water purifier according to the fourth embodiment of the present invention is installed before the water supply valve. Perspective view.

As shown in FIG. 9 or FIG. 10, the dishwasher according to the fourth embodiment of the present invention includes a cabinet 102 having an open front surface, a door 104 installed on the front surface of the cabinet 102 so as to be openable and closeable. A washing tank 106 installed inside the cabinet 102 to form a cavity having a predetermined size for washing the dishes, and a shelf disposed in the washing tank 106 so as to be movable and storing the dishes ( 108 and a nozzle 110 rotatably installed at the lower side of the shelf 108 to inject water through the injection hole 110a, and a sump formed at a lower portion of the washing tank 106 to collect water. and a sump 112, a washing pump 114 installed at one side of the sump 112 to pump water to the nozzle 110, and a lower side of the washing tank 106 to the sump 112. A water supply device composed of a water supply hose 122, a water supply valve 124, and a water supply passage 126 to supply water ( 120 and a drainage device 130 installed below the washing tank 106 and including a drain hose 132, a drain pump 134, and a drain passage 136 to drain water from the sump 112. In addition, the water supply passage 126 is configured to include a water softening device 116 is integrally formed with an ion resin storage tank for changing the water to soft water and a salt storage tank for regenerating the ion resin.

Here, a part of the water supply passage 126 and the drain passage 136 is formed between the cabinet 102 and the washing tank 106 and is blown by a blower 117 installed in the door 104 during a drying stroke. As the steam inside the washing tank 106 is discharged, a guide tub 118 is formed in which an air suction passage 117a is formed to suck outside air.

The water supply hose 122 may include a first water supply hose 122a connected between one end of the water supply valve 124 and an external water source, and another end connected between the other end of the water supply valve 124 and the water supply passage 126. It consists of two water supply hoses (122b).

On the other hand, one side of the water supply device 120 is installed in communication with the water purification device 140 for purifying the water supplied from the external water source so that the water contaminated into the washing tank 106 is not supplied. The water purification device 140 is installed before the water supply passage 126 of the water supply device 120, it is preferable to be installed to communicate with the connection portion of the water supply valve 124 and the water supply hose 122.

Specifically, the water purifier 140 may be installed at both the front and rear of the water supply valve 124 based on the flow direction of water, but in this embodiment, one end of the water supply valve 124 and the first water supply hose ( The water purifier 140 is installed at the connection portion of 122a).

Therefore, when the water purifier 140 is installed in communication with one end of the water supply valve 124 and the connection portion of the first water supply hose 122a, the water supply valve 124 of the water supply valve 124 is located outside the cabinet 102. By being assembled to one end and the first water supply hose 122a, the installability and maintainability of the water purifier 140 are improved, and the securing of a work space for assembling the water purifier 140 is also advantageous.

The hose connector 218 is separately installed between the water purifier 140 and the water supply hose 122 so that the flexible water supply hose 122 is more stably connected to the water purifier 140 as described above.

The hose connector 128 is a connection member for smoothly connecting the water purifier 140 and the water supply hose 122, and the water purifier 140 and the water supply hose 122 are easily detached and the water purifier is installed. The watertight performance between the water purifier 140 and the water supply hose 122 is improved so that water does not leak between the water supply hose 122 and the water supply hose 122.

Therefore, the hose connector 128 is typically installed between the first water supply hose 122a and the water supply valve 124 where detachment of the water supply hose 122 is frequently performed.

On the other hand, the water purifier 140 of the present embodiment is configured in the same manner as the water purifier 40 of the first embodiment described above, a detailed description thereof will be omitted.

Looking at the operation and effect of the dishwasher according to the fourth embodiment of the present invention configured as described above are as follows.

First, when the dishwasher is operated, the water supply valve 124 of the water supply device 120 is opened so that water is sumped from an external water source along the water supply hose 122, the water supply valve 124, and the water supply passage 126. 112 is supplied to the washing pump 114, the water is pumped and sprayed to the shelf 108 through the injection hole (110a) of the nozzle 110 to wash the dishes stored in the shelf (108).

At this time, as water is supplied from the external water source to the water supply valve 124 through the first water supply hose 122a of the water supply hose 122, installed between the water supply valve 124 and the first water supply hose 122a. The pollutant contained in the water is filtered by the water purifier 140, and the water purified by the water purifier 140 flows into the water supply valve 124.

The clean water flowing into the water supply valve 124 flows through the second water supply hose 122b and the water supply passage 126, and the water flowing through the water supply passage 126 is an ion resin of the softening device 116. The soft water reacts with to remove the hard water component.

Then, when the ion resin is depleted due to the continuous washing operation of the dishwasher 100, the brine is added to the ion resin at the time when the washing operation is completed to regenerate the ion resin.

When the ion resin is regenerated by brine, the water supply valve 124 is opened to supply water to the ion resin storage tank, and the hard water component generated when the water is regenerated by the supplied water and the supplied brine are externally supplied. To be discharged.

On the other hand, when the water purifier 140 is installed between one end of the water supply valve 124 and the first water supply hose 122a, one side of the water purifier 140 protrudes out of the cabinet 102. 124 is installed in communication with one end, the hose connector 128 is installed on the other side of the water purifier 140 installed in the water supply valve 124 and the first water supply hose 122a, so that the water purifier 140 and The first water supply hose 122a is assembled in communication.

Therefore, the water purifier 140 is installed together by the installer or the user in the process of installing the first water supply hose 122a between the water supply valve 124 and the external water source when the dishwasher 100 is installed.

11 is a cross-sectional view of the dishwasher in which the water purifier according to the fifth embodiment of the present invention is installed after the water supply valve.

As shown in FIG. 11, the dishwasher according to the fifth embodiment of the present invention is configured to purify the water supplied to the connection portion between the water supply valve 124 and the second water supply hose 22b of the water supply device 120. The water purifier 160 is installed, and other configurations are the same as those of the fourth embodiment, so the description thereof will be omitted.                     

That is, the inlet 143a is connected to the water supply valve 124 and the outlet 142a is connected to the second water supply hose 122b.

As described above, when the water purifier 160 is installed at the other end of the water supply valve 124 and the connection portion of the second water supply hose 122b, the other end of the water supply valve 124 located inside the cabinet 102 and Since each of the second water supply hose 122b is assembled, the water purifier 160 is disposed inside the cabinet 2 to prevent the beauty of the drum washing machine 1 from being deteriorated due to the installation of the water purifier 160.

Therefore, the water purifier 140 is shipped as assembled between the water supply valve 124 and the second water supply hose 122b when the dishwasher 100 is manufactured, and the water supply valve 124 and the second water supply are installed. Since the hose 122b is not removed, the hose connector 128 is not used.

12 is a cross-sectional view of the dishwasher in which the water purifier according to the sixth embodiment of the present invention is installed after the washing pump.

As shown in FIG. 12, the dishwasher according to the sixth embodiment of the present invention is provided with a purifier 170 for purifying water on the flow path between the washing pump 114 and the nozzle 110. The configuration of is identical to that of the fourth embodiment.

Typically, since the dishwasher recovers the water used for washing the dishes to the sump 112 and then filters various residues with a separate filter installed on the sump 112, the dishwasher is reused. It is likely to be included.                     

Therefore, the purifier 170 purifies the water pumped to the nozzle 110 by the washing pump 114 to remove the contaminants that may be included in the water to be reused to improve the washing performance.

As described above, the washing machine and the dishwasher equipped with the water purifying apparatus according to the present invention have been described with reference to the illustrated drawings, but the present invention is not limited to the above-described embodiments and drawings, and those skilled in the art within the technical scope of the present invention Of course, various modifications are possible.

The washing machine equipped with the water purifying device of the present invention configured as described above is provided with a water purifying device installed at the front or rear of the water supply valve or a water purifying device installed at the rear of the circulation pump so that the water used for washing the laundry is more clean. Since it is circulated, there is an advantage that the contamination of laundry by water supply or circulated water is prevented, and the washing performance of the washing machine is improved.

In addition, the dishwasher equipped with the water purifier of the present invention is provided with a water purifier in the front or rear of the water supply valve or a water purifier is installed in the rear of the washing pump to supply water or spray the water used to wash the dishes more clean state. Therefore, the contamination of the tableware by the water sprayed into the tableware through the nozzle is prevented, there is an advantage that the washing performance of the dishwasher is improved.                     

In addition, since the water purifying device is composed of a filter casing, a filter and a filter guide, and the filter is fixed by the filter guide and an internal flow path of the water purifying device is formed, the water purifying device is not only formed in a simple structure but also compact and compact in product. (compact) has the effect that is realized.

Claims (10)

A tub disposed inside the cabinet, in which water is accommodated and a drum into which laundry is inserted is rotatably disposed; A water supply valve installed at one side of the cabinet; An external water supply passage connected between the water supply valve and an external water source to guide water to the water supply valve; An internal water supply passage connected between the water supply valve and the tub to guide water to the tub; Washing machine equipped with a water purification device, characterized in that it is installed in communication with one end of the water supply valve comprises a water purifying device for purifying the water supplied to the tub. The method of claim 1, The water purifier is equipped with a water purifier, characterized in that installed in communication between the water supply valve and the external water supply passage. The method of claim 1, The water purifier is equipped with a water purifier, characterized in that installed in communication between the water supply valve and the internal water supply passage. A tub disposed inside the cabinet, in which water is accommodated and a drum into which laundry is inserted is rotatably disposed; A circulation pump installed at one side of the cabinet; A first circulation passage connected between the circulation pump and the bottom of the tub to guide water stored in the bottom of the tub to the circulation pump; A second circulation passage connected between the circulation pump and an upper portion of the tub to guide water pumped by the circulation pump to an upper portion of the tub; And a water purifying device installed in communication between the second circulation flow path and the circulation pump and configured to purify the water circulated to the tub. The method according to any one of claims 1 to 4, The water purifying apparatus includes a filter casing having an inlet through which water is introduced into one side and an outlet through which the water flows out; A filter disposed inside the filter casing to purify the water flowing into the inlet after the inlet; And a filter guide installed between the filter and the filter casing to fix the filter to the inside of the filter casing and to form an internal flow path of the filter casing. A washing tank installed inside the cabinet; A washing pump installed at the lower side of the washing tank and spraying water through a nozzle inside the washing tank to wash dishes contained in the washing tank; A water supply valve installed at one side of the cabinet; An external water supply passage connected between the water supply valve and an external water source to guide water to the water supply valve; An internal water supply passage connected between the water supply valve and the washing pump to guide water to the washing pump; And a water purifier installed on a water supply passage for supplying water to the inside of the washing tank and configured to purify the water sprayed into the washing tank. The method of claim 5, wherein And the water purifier is installed in communication between the water supply valve and the external water supply passage. The method of claim 5, wherein The water purifier is dishwasher equipped with a water purifier, characterized in that installed in communication between the water supply valve and the internal water supply passage. The method of claim 5, wherein The water purifier is dishwasher equipped with a water purifier, characterized in that installed in communication between the washing pump and the nozzle. The method according to any one of claims 6 to 9, The water purifying apparatus includes a filter casing having an inlet through which water is introduced into one side and an outlet through which the water flows out; A filter disposed inside the filter casing to purify the water flowing into the inlet after the inlet; And a filter guide installed between the filter and the filter casing to fix the filter to the inside of the filter casing and to form an inner flow path of the filter casing.

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