KR20180074553A - Washing machine - Google Patents

Abstract

Disclosed is a washing machine having a plurality of washing space portions. According to the present invention, the washing machine includes: a first housing having a first laundry inserting opening formed on the front side thereof; a first tub disposed in the interior of the first housing; a second housing having a second laundry inserting opening formed on the top side thereof and disposed over the first housing; a second tub disposed in the interior of the second housing; and a water supply part disposed on the second housing in such a manner as to be connected to an external water supply source to supply washing water to the first tub and the second tub, wherein the water supply part comprises a water supply connector having a plurality of chambers formed therein, a first water supply hose for connecting the water supply connector and the first tub, and a second water supply hose for connecting the water supply connector and the second tub.

Description

Washing machine {WASHING MACHINE}

The present invention relates to a washing machine, and more particularly, to a washing machine having a plurality of washing spaces.

Generally, a washing machine is a device for washing a laundry by rotating a cylindrical drum containing laundry. In the type of washing machine, a drum is arranged horizontally so that when the drum rotates about the horizontal axis, the laundry is raised upward along the inner circumferential surface of the drum to fall down to wash the laundry, and a drum having a pulsator therein There is a washing machine in which the laundry is washed using the water current generated by the pulsator when the drum rotates about the vertical axis.

The washing machine of the type in which the drum is horizontally disposed is called a front loading type washing machine because a laundry loading port is formed in front of the washing machine. The washing machine in which the drum is vertically disposed has a laundry loading port, top loading type washing machine.

Meanwhile, since the conventional washing machine has one washing space, when the user desires washing by separating the laundry, the user has to take the trouble of driving the washing machine twice or more times. In addition, since the washing machine must be driven for a long period of time in spite of a small amount of laundry, energy waste can not be avoided.

One aspect of the present invention provides a washing machine having a water supply device capable of supplying water to a plurality of laundry spaces.

Another aspect of the present invention provides a washing machine having an improved structure for supplying at least one of hot water and cold water to each of a plurality of laundry spaces.

According to another aspect of the present invention, there is provided a washing machine having an improved structure for simplifying a supply passage of washing water supplied to each of a plurality of washing spaces.

Another aspect of the present invention provides a washing machine having an improved structure for preventing reverse flow of washing water supplied to a water supply device.

A washing machine according to an embodiment of the present invention includes a first housing having a first laundry inlet formed at a front side thereof, a first tub provided inside the first housing, and a second laundry inlet formed at an upper side thereof, A second tub provided in the second housing, a water supply unit connected to an external water source to supply wash water to the first tub and the second tub, and a water supply unit installed in the second housing, Wherein the water supply device includes a water supply connector having a plurality of chambers therein, a first water supply hose connecting the water supply connector and the first tub, and a second water supply hose connecting the water supply connector and the second tub, . ≪ / RTI >

Wherein the plurality of chambers comprises a first chamber and a second chamber provided outside the first chamber along the periphery of the first chamber and wherein the first chamber and the second chamber are partitioned by a partition wall have.

The water supply connector may include a first hot water inflow nozzle for supplying hot water to the first chamber and a first cold water inflow nozzle for supplying cold water to the first chamber.

The first hot water inflow nozzle and the first cold water inflow nozzle may protrude from the first wall of the water supply connector to be spaced apart from each other.

The water supply connector may further include a first discharge nozzle protruding from a second wall of the water supply connector facing the first wall to discharge the wash water in the first chamber.

The water supply connector may further include a connection flow path connecting the first chamber and the first discharge nozzle, and the connection flow path may be formed across the second chamber so as not to communicate with the second chamber.

The water supply connector may include a second hot water inflow nozzle for supplying hot water to the second chamber and a second cold water inflow nozzle for supplying cold water to the second chamber.

The second hot water inflow nozzle and the second cold water inflow nozzle may protrude from the first wall of the water supply connector to be spaced apart from each other.

The water supply connector may further include a second discharge nozzle protruding from a second wall of the water supply connector facing the first wall to discharge the washing water in the second chamber.

The washing machine according to an aspect of the present invention may further include a water supply valve disposed between the external water supply source and the water supply connector to adjust water supply of the wash water.

The washing machine according to the present invention further includes a detergent case installed in the second housing to receive the detergent supplied to the first tub, One hose and a second hose connecting the detergent compartment and the first tub.

A washing machine according to an embodiment of the present invention includes a first housing, a first tub provided inside the first housing, a second housing disposed above the first housing, a second tub provided inside the second housing, And a water supply device connected to an external water supply source to supply washing water to the first tub and the second tub, and the water supply device includes a water supply connector having a plurality of chambers partitioned from each other .

The first housing may include a first laundry inlet formed at a front side thereof and the second housing may include a second laundry inlet formed at an upper side thereof.

The washing machine according to the present invention further comprises a first supply passage for connecting the external water source and the first tub and a second supply passage for connecting the external water source and the second tub, May include a first chamber disposed on the first supply passage and a second chamber disposed on the second supply passage.

The water supply connector may further include a first partition wall partitioning the first chamber and the second chamber and having a first communication hole communicating with any one of the first supply passage and the second supply passage.

The second chamber may be provided outside the first chamber along the periphery of the first chamber.

The washing machine according to an embodiment of the present invention further includes a third supply passage for connecting the external water supply source and the spray nozzle provided in the first tub so as to be disconnected from the first supply passage and the second supply passage .

The plurality of chambers may further include a third chamber disposed on the third supply passage.

Wherein the water supply connector defines the third chamber from the first chamber and the second chamber, and the second communication hole communicates with any one of the first supply passage, the second supply passage, and the third supply passage The branch may further include a second bank.

The washing machine according to an aspect of the present invention may further include a detergent case installed in the second housing to receive the detergent supplied to the first tub and disposed on the first supplying passage.

The water supply connector may include a backflow preventing structure formed inside the plurality of chambers to be operable by the water pressure of the washing water supplied to the plurality of chambers.

Wherein the water supply connector further includes a plurality of hot water inflow nozzles for supplying hot water to the plurality of chambers and a plurality of cold water inflow nozzles for supplying cold water to the plurality of chambers, The washing water may be prevented from flowing back to the other one of the plurality of hot water inflow nozzles and the plurality of cold water inflow nozzles when the washing water is supplied from any one of the plurality of cold water inflow nozzles.

The washing water can be supplied to at least one of the first tub and the second tub using one water supply device.

At least one of the hot water and the cold water may be supplied to each of the plurality of chambers, so that hot water and cold water as well as lukewarm water may be supplied to each of the plurality of laundry spaces.

By using the water supply connector having a plurality of chambers, it is possible to simplify the supply passage of the washing water supplied to each of the plurality of washing spaces.

When the washing water is supplied from any one of the plurality of hot water inflow nozzles and the plurality of cold water inflow nozzles, the water supply wash water is supplied to the other one of the plurality of hot water inflow nozzles and the plurality of cold water inflow nozzles, Can be effectively prevented.

1 is a perspective view illustrating a washing machine according to an embodiment of the present invention.
FIG. 2 is a view of a washing machine according to an embodiment of the present invention, in which the first module and the second module are separated
3 is a cross-sectional view illustrating a washing machine according to an embodiment of the present invention.
4 is a view illustrating a state in which a storage compartment cover of a first detergent supply device is opened in a washing machine according to an embodiment of the present invention;
5 is a view illustrating a water supply device in a washing machine according to an embodiment of the present invention.
6 is a view schematically showing a water supply path in a washing machine according to an embodiment of the present invention.
FIG. 7 is a top view of the connection relationship between the water supply device, the first detergent supply device, the spray nozzle, and the first tub in the washing machine according to the embodiment of the present invention.
8A is a front view of the connection relationship between the first detergent supply device and the first tub in the washing machine according to the embodiment of the present invention.
8B is a front view of the connection relationship between the injection nozzle and the first tub in the washing machine according to the embodiment of the present invention.
FIG. 9 is a top view of the connection relationship between the water supply device, the second detergent supply device, and the second tub in the washing machine according to the embodiment of the present invention. FIG.
10 is a perspective view illustrating a water supply connector according to the first embodiment of the washing machine according to the embodiment of the present invention.
11 is a perspective view showing a water supply connector according to a second embodiment of the washing machine according to the embodiment of the present invention.
12 is a perspective view illustrating a water supply connector according to a third embodiment of the washing machine according to the embodiment of the present invention.
13 is a perspective view showing a water supply connector according to a fourth embodiment of the washing machine according to the embodiment of the present invention.
14 is a perspective view illustrating a water supply connector according to a fifth embodiment of the washing machine according to the embodiment of the present invention.
15 is an exploded perspective view showing a water supply connector according to a fifth embodiment of the washing machine according to the embodiment of the present invention.
Fig. 16 is a cross-sectional view of the water supply connector of Fig. 14 taken along line A-A '
17 is an enlarged view of a part of a water supply connector according to a fifth embodiment of the washing machine according to the embodiment of the present invention.
18 is a view illustrating an operation state of the backflow preventing structure provided in the water supply connector according to the fifth embodiment of the washing machine according to the embodiment of the present invention.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not restrictive of the invention, as claimed, and it is to be understood that the invention is not limited to the disclosed embodiments.

In addition, the same reference numerals or signs shown in the respective figures of the present specification indicate components or components performing substantially the same function.

Also, the terms used herein are used to illustrate the embodiments and are not intended to limit and / or limit the disclosed invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises" or "having" and the like refer to the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, But do not preclude the presence or addition of one or more features, integers, steps, operations, elements, components, or combinations thereof.

It is also to be understood that terms including ordinals such as " first ", "second ", and the like used herein may be used to describe various elements, but the elements are not limited by the terms, It is used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. 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.

FIG. 1 is a perspective view illustrating a washing machine according to an embodiment of the present invention. FIG. 2 is a view illustrating a first module and a second module separated from each other in a washing machine according to an embodiment of the present invention. 3 is a sectional view of a washing machine according to an embodiment of the present invention.

1 to 3, the washing machine 1 includes a front loading type first washing machine in which a first laundry loading slot 41 is formed at a front side, a second laundry loading slot 234 at an upper side, And a top loading type second laundry apparatus having a top loading type.

The washing machine 1 may include a first drum 110 in which a first washing space 115 is formed.

The washing machine 1 may further include a first tub 120 that receives the first drum 110 therein and stores laundry water or rinse water to be used for a washing or rinsing cycle.

The first drum 110 and the first tub 120 are provided in a cylindrical shape with at least a part of the one surface being opened, and the open surface of the first drum 110 and the first tub 120 may be arranged to face forward.

The washing machine 1 may further include a first housing 130 in which a first drum 110 and a first tub 120 are disposed. Specifically, the first housing 130 may include a side frame 131 forming a side and a rear surface appearance, and a bottom frame 132 forming a bottom surface.

The washing machine 1 may further include a spring 151 and a damper 150 provided to support the first tub 120 in the first housing 130. The damper 150 can support the first tub 120 from the lower side by connecting the outer surface of the first tub 120 to the bottom frame 132. The spring 151 can support the first tub 120 from the upper side by connecting the outer surface of the first tub 120 and the spring coupling portion 133 provided on the upper side of the side frame 131. [ The spring 151 and the damper 150 may mitigate vibrations, noise, and shock caused by the flow of the first tub 120.

The spring 151 and the damper 150 may be installed at any position between the upper surface of the first tub 120 and the lower surface of the first housing 130, And may support the first tub 120 by connecting some of them.

The washing machine 1 may further include a first driving motor 140 disposed behind the first tub 120 and rotating the first drum 110. A first driving shaft 141 for transmitting the power of the first driving motor 140 may be connected to the rear surface of the first drum 110.

A plurality of first through holes 111 for the flow of wash water may be formed around the first drum 110. A plurality of lifters 113 may be installed on the inner circumferential surface of the first drum 110 so that the laundry can be lifted and dropped when the first drum 110 rotates. The first balancer 112 may be mounted on the front portion of the first drum 110 to allow the first drum 110 to rotate stably during high-speed rotation.

A first driving shaft 141 may be disposed between the first drum 110 and the first driving motor 140. One end of the first driving shaft 141 is connected to the rear plate of the first drum 110 and the other end of the first driving shaft 141 extends to the outside of the rear wall of the first tub 120. When the first driving motor 140 drives the first driving shaft 141, the first drum 110 connected to the first driving shaft 141 rotates around the first driving shaft 141.

A bearing housing 142 may be installed on the rear wall of the first tub 120 to rotatably support the first drive shaft 141. The bearing housing 142 may be made of aluminum alloy and may be inserted into the rear wall of the first tub 120 when the first tub 120 is injection molded. Between the bearing housing 142 and the first drive shaft 141, bearings 143 are installed to allow the first drive shaft 141 to rotate smoothly.

The washing machine 1 may include a function of washing with hot water. A heater 180 capable of heating washing water or rinsing water accommodated in the first tub 120 may be disposed on the bottom surface of the first tub 120 to obtain hot water.

The washing machine 1 includes a first drain pump 170 disposed below the first tub 120 and discharging water inside the first tub 120 to the outside of the washing machine 1, A first connection hose 171 for connecting the first drain hole 173 of the first tub 120 and the first drain pump 170 so that water in the first tub 120 can be introduced into the first drain pump 170, A circulation hose 174 connecting the first drain pump 170 and the first tub 120 so as to circulate the water introduced into the first drain pump 170 to the first tub 120, And a first drain hose 172 for guiding the water pumped by the drain pump 170 to the outside of the washing machine 1. [

The washing machine 1 may further include a front cover 40 provided with a first laundry loading port 41 through which laundry can be input into the first washing space 115. A first door 160 for opening and closing the first laundry inlet 41 may be coupled to the front cover 40.

The first door 160 may be provided to correspond to the first laundry inlet 41 and be rotatable with respect to the front cover 40. The first door 160 may include a first door frame 161, a first door cover 162, and a door glass 163.

In the embodiment of the present invention, the first door frame 161 is formed in a substantially annular shape, but the first door frame 161 may have a substantially rectangular shape. The first door cover 162 and the door glass 163 can be seen from the outside of the washing machine 1 to the inside of the first drum 110 even when the first door 160 closes the first laundry inlet 41. [ , It may be formed of a transparent material. The door glass 163 may be disposed so as to protrude from the first door frame 161 toward the interior of the first drum 110. When the first door 160 is closed through this configuration, the door glass 163 can be inserted into the first laundry inlet 41.

A first hinge is provided around the first laundry inlet 41 so that the first door 160 can rotate relative to the front cover 40. The first hinge is disposed on one side of the first door frame 161 And is coupled to the first hinge engaging portion formed. A first hook 166 is provided on the other side of the first door frame 161 and a first hook receiving portion 42 corresponding to the first hook 166 may be provided on the front cover 40. The first laundry inlet 41 can be kept closed by the first door 160 by the engagement of the first hook 166 and the first hook receiving portion 42. [

The first door 160 is provided with an auxiliary laundry inlet 167 and an auxiliary door 167 for opening and closing the auxiliary laundry inlet 167 so that the laundry can be introduced into the first washing space 115 even when the first door 160 is closed. (Not shown). The auxiliary door 164 can be rotatably mounted on the first door cover 162. [

In order to feed laundry into the washing machine 1 through the auxiliary laundry loading port 167 of the first door 160, the laundry must pass through the door glass 163. For this, a glass through hole 168 is provided in the door glass 163. Alternatively, the upper portion of the door glass may be recessed so that the door glass is not disposed behind the auxiliary laundry inlet 167.

The first door 160 may include a connection guide portion 165 to connect the auxiliary laundry inlet 167 of the first door 160 and the glass through hole 168 of the door glass 163. The connection guide portion 165 may be provided in the shape of a tube having both ends opened and a hollow portion.

More specifically, one end of the connection guide portion 165 is connected to the auxiliary laundry inlet 167 and the other end is connected to the glass through hole 168. In this embodiment, the connection guide portion 165 may be provided so as to be inclined downward from the front to the rear. That is, one end of the connection guide portion 165 connected to the auxiliary laundry loading port 167 may be positioned higher than the other end. With such a configuration, the user can easily load the laundry into the first drum 110 through the auxiliary laundry inlet 167.

The first door 160 is not limited thereto and the first door 160 is not provided with the auxiliary laundry loading port, the auxiliary door, the connection guide, and the like, .

The washing machine 1 may further include a diaphragm 121 disposed between the first laundry inlet 41 of the front cover 40 and the opening 123 of the first tub 120. The diaphragm 121 forms a passage from the first laundry loading port 41 to the opening 114 of the first drum 110 and forms a passage through which the vibration transmitted to the front cover 40 during the rotation of the first drum 110 Can be reduced. A part of the diaphragm 121 may be disposed between the first door 160 and the front cover 40 to prevent the wash water of the first tub 120 from leaking to the outside of the washing machine 1. [

The washing machine 1 may further include a second drum 210 in which a second washing space 215 is formed.

The washing machine 1 may further include a second tub 220 receiving the second drum 210 therein and storing laundry or rinse water to be used for a washing or rinsing cycle.

The second drum 210 and the second tub 220 are provided in a cylindrical shape with at least a part of the one surface being opened, and the open surface of the second drum 210 and the second tub 220 can be arranged to face upward.

The washing machine 1 may further include a second housing 230 in which a second drum 210 and a second tub 220 are disposed. The second housing 230 is provided with a lower frame 231 on which the second tub 220 is supported and a second laundry inlet 234 through which laundry can be introduced into the second laundry space 215, And an upper frame 232 which is seated on the upper part of the frame 231. In addition, the second housing 230 may further include a side cover 233 forming an outer appearance of a left side and a right side.

The washing machine 1 may be disposed in the second housing 230 and may further include a second door 260 for opening and closing the second laundry inlet 234. The second door 260 may be provided so as to correspond to the second laundry inlet 234 and be rotatable with respect to the upper frame 232. The second door 260 may include a second door frame 261 and a second door cover 262. The second door cover 262 may be configured to allow the second door 260 to see the second tub 220 and the second drum 210 from the outside of the washing machine 1 even when the second laundry loading port 234 is closed , And may be formed of a transparent material.

A second hinge is provided on both the left and right sides of the second door frame 261 so that the second door 260 can rotate with respect to the upper frame 232. The second door 260 is coupled to the second hinge engaging portion formed around the second laundry loading port do. A latch accommodating portion 263 is provided on the front side of the second door frame 261 and a latch device is provided on the upper frame 232 to correspond to the latch accommodating portion 263 of the second door frame 261, It is possible to prevent the laundry inlet 234 from being opened arbitrarily during the washing cycle.

The second drum 210 is provided in a cylindrical shape having an opened upper surface and may be arranged to be rotatable within the second tub 220. A plurality of second through holes 211 for the flow of wash water may be formed on the side and bottom of the second drum 210. A second balancer 212 may be mounted on the upper portion of the second drum 210 to allow the second drum 210 to rotate stably during high-speed rotation. A filter 300 may be attached to the inner surface of the second drum 210 to remove foreign substances that may be generated during washing.

A curved portion 213 for generating water flow may be formed on the bottom surface of the second drum 210. Although not shown in the drawings, the washing machine 1 may further include a pulsator disposed inside the second drum 210 to generate a water stream.

The second tub 220 is provided in a cylindrical shape and can be supported on the lower frame 231 by the suspension unit 250. Specifically, the second tub 220 can be supported by the four suspension units 250 in a suspended manner on the lower frame 231. A third laundry inlet 214 may be provided on the upper surface of the second tub 220 to correspond to the second laundry inlet 234 and a third door 280 may be provided to open and close the third laundry inlet 214 Can be combined.

The third door 280 may include a third door frame 281 and a third door cover 282. The third door cover 282 is made of a transparent material so that the third door 280 can see the inside of the second drum 210 from the outside of the second tub 220 even when the third laundry inlet 214 is closed. As shown in FIG.

A third hinge is provided around the third laundry inlet 214 so that the third door 280 can rotate with respect to the second tub 220 so that the third hinge is disposed in the third door frame 281, And is coupled to the hinge coupling portion. A handle 283 for opening the third door 280 may be provided on the other side of the third door frame 281 and a second hook 284 may be provided on the handle 283. The second tub 220 is provided with a second hook accommodating portion corresponding to the second hook 284 so that the third door 280 can be maintained in a state in which the third laundry inlet 214 is closed and the handle 283 The second hook 284 can be disengaged from the second hook receiving portion and the third door 280 can be opened.

The washing machine 1 may further include a second driving motor 240 disposed outside the second tub 220 and rotating the second drum 210. A second driving shaft 241 for transmitting the power of the second driving motor 240 may be connected to the bottom surface of the second drum 210. One end of the second driving shaft 241 is connected to the bottom plate of the second drum 210 and the other end of the second driving shaft 241 extends outside the bottom wall of the second tub 220. When the second driving motor 240 drives the second driving shaft 241, the second drum 210 connected to the second driving shaft 241 rotates around the second driving shaft 241.

Although not shown in the drawings, when the pulsator is disposed on the bottom surface of the second drum 210, the washing machine simultaneously or selectively applies the driving force generated from the second driving motor 240 to the second drum 210 and the pulsator The power transmission device may further include a power switching device.

The washing machine 1 is disposed at a lower portion of the second tub 220 and includes a second drain pump 270 for discharging the water inside the second tub 220 to the outside of the washing machine 1, And a second drain hose 272 for guiding the water pumped by the washing machine 270 to the outside of the washing machine 1. [ Specifically, the second drain pump 270 may be mounted on the upper portion of the first housing 130.

A second drain port 273 for draining water of the second tub 220 may be formed on the bottom surface of the second tub 220 and water of the second tub 220 may be connected to the second drain pump 270, The second drain hole 273 and the second drain pump 270 may be connected to each other by the second connection hose 271. [

The washing machine 1 may further include a water supply device 400 capable of supplying wash water to the first and second tubs 120 and 220. The water supply device 400 may be disposed in the second housing 230. The water supply device 400 will be described in detail later.

The washing machine 1 may further include a first detergent supply device 500 capable of supplying detergent to the first tub 120. [ The first detergent supply device 500 may be disposed in the second housing 230. Specifically, the first detergent supply device 500 can be disposed on the upper frame 232, and preferably disposed in front of the second laundry inlet 234.

The washing machine 1 may further include a second detergent supply device 600 for receiving a fabric softener and / or a bleacher to be supplied to the second laundry space 215. The second detergent supply device 600 may be provided so that the second detergent supply device 600 can be accessed by the user as the second door 260 is opened. The second detergent supply device 600 may be disposed on the upper frame 232. The second detergent supply device 600 may be provided at the left end and the right end of the front of the third laundry inlet 214, respectively. That is, the second detergent supply device 600 includes a first detergent case 610 provided at the left end of the front of the third laundry inlet 214 and a second detergent case 610 provided at the right end of the third laundry inlet 214, 2 < / RTI > Preferably, the first detergent box 610 may contain bleach, and the second detergent box 620 may contain a fabric softener. The laundry detergent may be directly introduced into the second laundry space 215 by the user through the third laundry inlet 214.

The washing machine 1 may further include a fixing bracket 30 for coupling the first housing 130 and the second housing 230 so that the first housing 130 and the second housing 230 are not separated.

The washing machine 1 may further include a control panel 50 disposed at an upper portion of the front cover 40 and for operating the washing machine 1. The control panel 50 may include an input unit for receiving an operation command of the washing machine 1 from a user and a display unit for displaying operation information of the washing machine 1.

FIG. 4 is a view illustrating a state in which a storage compartment cover of a first detergent supply device is opened in a washing machine according to an embodiment of the present invention. FIG. 5 is a perspective view of a washing machine according to an embodiment of the present invention, Fig. Hereinafter, a case where the water supply connector 800 according to the first embodiment is applied will be described as an example. Hereinafter, with reference to the explanations of the reference numerals which are not explained, the description of FIG.

4 and 5, the first detergent supply device 500 stores the detergent supplied to the first laundry space 115, and the plurality of detergent containers 510, 520, and 530 provided in the second housing 230 ). Here, the detergent may include laundry detergent, fabric softener, and bleach.

The plurality of detergent containers 510, 520, and 530 may include a first detergent container 510 provided at one side end in the width direction of the second housing 230. The plurality of detergent containers 510, 520 and 530 may further include a second detergent container 520 provided at the other end opposite to the first end in the width direction of the second housing 230. The first detergent case 510 may be provided at the left end of the front of the second laundry inlet 234 and the second detergent case 520 may be provided at the left front end of the second laundry inlet 234, May be provided at the end portion. Preferably, laundry detergent may be contained in the first detergent container 510, and bleach may be contained in the second detergent container 520.

The plurality of detergent containers 510, 520 and 530 may further include a third detergent container 530 provided between the first detergent case 510 and the second detergent case 520. Specifically, the third detergent box 530 is provided between the first detergent box 510 and the second detergent box 520 in the width direction of the second housing 230 so as to be adjacent to the second detergent box 520 . The third detergent box 530 may receive the detergent contained in the first detergent case 510 and the detergent different from the detergent contained in the second detergent case 520. Preferably, the third detergent box 530 may contain a fabric softener.

The water supply device 400 may be connected to an external water source 700 (see FIG. 6) to supply wash water to the first tub 120 and the second tub 220. The external water source 700 may include a hot water supply source 710 (see FIG. 6) for supplying hot water and a cold water supply source 720 (see FIG. 6) for supplying cold water. The water supply device 400 may be installed in the second housing 230. Specifically, the water supply device 400 may be disposed on the upper frame 232, and preferably disposed behind the second laundry loading port 234.

The water supply device 400 may include a water supply connector 800. The water supply connector 800 may include a connector cover 820 that forms the exterior of the water supply connector 800 together with the connector housing 810 and the connector housing 810. The water supply connector 800 may further include a plurality of chambers 830 and 840 formed therein. Specifically, the plurality of chambers 830 and 840 may be formed in the connector housing 810. [ The water supply connector 800 may further include a partition wall 860 partitioning the plurality of chambers 830 and 840. The partition wall 860 may extend from the connector housing 810 to have a predetermined height. The water supply connector 800 may further include a rigid reinforcing rib 880 formed in the connector housing 810 for rigid reinforcement. The water supply connector 800 can be implemented in various forms, and a detailed description of various types of water supply connectors 800 will be described later.

The water supply device 400 may further include a water supply valve 900. The water supply valve 900 may be disposed between the external water supply source 700 and the water supply connector 800 to regulate water supply of the wash water.

The water supply valve 900 may include a first valve unit 910 disposed between the hot water supply source 710 and the water supply connector 800. The first valve unit 910 may be connected to the water supply connector 800 and the hot water supply 710. Specifically, the first valve unit 910 may include a source connection portion 911 connected to the hot water supply source 710 and a connector connection portion connected to the water supply connector 800. More specifically, the first valve unit 910 may include one source connection 911 connected to the hot water supply 710 and a plurality of connector connections connected to the respective plurality of chambers 830, 840. One source connection portion 911 may be formed to face the plurality of connector connection portions in the opposite direction. The first valve unit 910 may further include a plurality of valve flow paths connecting the supply source connection portion 911 and each of the plurality of connector connection portions so that the hot water moves. The first valve unit 910 may further include a plurality of valves disposed adjacent each of the plurality of connector connections to regulate the supply of hot water. The number of the plurality of valves may be the same as the number of the connector connecting portions.

The water supply valve 900 may further include a second valve unit 920 disposed between the cold water supply source 720 and the water supply connector 800. The second valve unit 920 may be connected to the cold water supply 720. Specifically, the second valve unit 920 may include a source connection 921 connected to a cold water source 720. More specifically, the second valve unit 920 may include one source connection 921 that is connected to the cold water supply 720. A portion of the second valve unit 920 may be connected to the water supply connector 800. Specifically, a portion of the second valve unit 920 adjacent to the water supply connector 800 may be connected to the water supply connector 800. The second valve unit 920 may further include a connector connection portion connected to the water supply connector 800. Specifically, the second valve unit 920 may include a plurality of connector connections connected to each of the plurality of chambers 830, 840. The remaining portion of the second valve unit 920 may be connected to configurations requiring the supply of cold water. Descriptions of configurations that require the supply of cold water will be described later. The second valve unit 920 may further include a plurality of connections connected to the configurations requiring supply of cold water. The plurality of connector connecting portions and the plurality of connecting portions may be formed to face in the same direction. One source connection portion 921 may be formed to face the plurality of connector connection portions and the plurality of connection portions in the opposite direction. The second valve unit 920 may further include a supply source connection portion 921 and a plurality of connector connection portions, a source connection portion 921, and a plurality of valve flow paths for connecting the plurality of connection portions, respectively, . The second valve unit 920 may further include a plurality of valves disposed adjacent to the plurality of connector connecting portions and the plurality of connecting portions to adjust the supply of the cold water. The number of the plurality of valves may be equal to the sum of the number of the connector connecting portions and the plurality of connecting portions.

The washing machine 1 may further include a storage case cover 1300 provided to cover a plurality of detergent containers 510, 520 and 530 and a rotating shaft member (not shown) for rotatably supporting the storage case cover 1300. The storage box cover 1300 may be rotatably coupled to the upper frame 232. The storage box cover 1300 may be disposed in front of a second laundry loading port 234 provided with a plurality of detergent containers 510, 520, and 530.

The storage box cover 1300 may include a buffer member 1360 provided below the front end of the storage box cover 1300. The buffer member 1360 may be configured to include a material having elasticity. The buffer member 1360 may be provided on the bottom surface of the other side opposite to the one side on which the rotating shaft member of the storage case cover 1300 is provided. The shock absorbing member 1360 can relieve an impact that may occur as the front end of the storage case 1300 collides with the upper frame 232 when the storage case 1300 closes the plurality of detergent containers 510, 520, 530 .

6 is a view schematically showing a water supply path in a washing machine according to an embodiment of the present invention. Hereinafter, a case where the water supply connector 800 according to the first embodiment is applied will be described as an example.

As shown in FIG. 6, the external water source 700 may include a hot water supply source 710 for supplying hot water and a cold water supply source 720 for supplying cold water.

The water supply device 400 may include a water supply connector 800 having a plurality of chambers 830 and 840 partitioned from each other and a water supply valve 900 adapted to regulate water supply of the wash water. The water supply valve 900 may be disposed between the external water supply source 700 and the water supply connector 800. The water supply valve 900 may be connected to the external water supply source 700 and the water supply connector 800.

The plurality of chambers 830 and 840 of the water supply connector 800 may include a first chamber 830 and a second chamber 840 provided outside the first chamber 830. The positional relationship of the plurality of chambers 830 and 840 is not limited to the above example, and can be variously changed.

The water supply valve 900 includes a first valve unit 910 connected to the hot water supply source 710 and the water supply connector 800 and a second valve unit 920 connected to the cold water supply source 720 and the water supply connector 800, . ≪ / RTI >

The first valve unit 910 may include a source connection 911 connected to the hot water supply 710. The first valve unit 910 may further include a plurality of connector connection portions connected to the water supply connector 800. The plurality of connector connection portions may include a first hot water connector connecting portion 912 connected to the first chamber 830 and a second hot water connector connecting portion 913 connected to the second chamber 840. The first valve unit 910 may further include a plurality of valve flow paths connecting the supply source connection portion 911 and each of the plurality of connector connection portions so that the hot water can move. The plurality of valve channels include a first valve channel 914 for connecting the supply source connection portion 911 and the first hot water connector connection portion 912 so that the hot water can move, a supply source connection portion 911 and a second hot water connector And a second valve flow path 915 connecting the connection portion 913. [ The first valve unit 910 may further include a plurality of valves disposed on each of the plurality of valve flow paths to regulate the supply of hot water. The plurality of valves may further include a first valve 916 disposed on the first valve passage 914 and a second valve 917 disposed on the second valve passage 915. [

The second valve unit 920 may include a source connection 921 connected to a cold water source 720. The second valve unit 920 may further include a plurality of connector connection portions connected to the water supply connector 800. The plurality of connector connecting portions may include a first cold water connector connecting portion 922 connected to the first chamber 830 and a second cold water connector connecting portion 923 connected to the second chamber 840. The second valve unit 920 may further include a plurality of valve flow paths connecting the supply source connection portion 921 and each of the plurality of connector connection portions so that the cold water can move. The plurality of valve channels include a first valve flow path 928 for connecting the supply source connection portion 921 and the first cold water connector connection portion 922 so that the cold water can move and the first valve flow path 928 for connecting the supply source connection portion 921 and the second cold water connector And a second valve passage 929 connecting the connection portion 923. The second valve unit 920 may further include a plurality of valves disposed on each of the plurality of valve flow paths to regulate the supply of cold water. The plurality of valves may further include a first valve 931 disposed on the first valve passage 928 and a second valve 932 disposed on the second valve passage 929. [

The washing machine 1 may further include a first supply passage 950 connecting the external water source 700 and the first tub 120. The external water supply source 700, the water supply device 400, and the first tub 120 may be located on the first supply passage 950. Specifically, an external water supply source 700, a first valve passage 914 of the first valve unit 910, a first valve passage 928 of the second valve unit 920, The first chamber 830 and the first tub 120 of the water supply connector 800 may be located. A first detergent container 510 may further be positioned on the first supply passage 950.

The flow of the washing water moving along the first supply passage 950 will be described below.

The hot water supplied from the hot water supply source 710 flows into the first valve flow path 914 through the supply source connection portion 911 of the first valve unit 910 and the hot water flowing into the first valve flow path 914 flows into the first valve flow path 914, When the valve 916 is turned on, it is supplied to the first chamber 830 of the water supply connector 800. The cold water supplied from the cold water supply source 720 flows into the first valve flow path 928 through the supply source connection portion 921 of the second valve unit 920 and the cold water introduced into the first valve flow path 928 flows into the first valve flow path 928, When the valve 931 is turned on, it is supplied to the first chamber 830 of the water supply connector 800. At this time, hot water and cold water can be mixed in the first chamber 830. The washing water mixed in the first chamber 830 is supplied to the first tub 120 together with the laundry detergent contained in the first washing tub 510 through the first washing tub 510. However, when either the first valve 916 of the first valve unit 910 or the first valve 931 of the second valve unit 920 is turned off, the first tub 120 is supplied with hot water And cold water may be supplied.

The washing machine 1 may further include a second supply passage 960 connecting the external water source 700 and the second tub 220. An external water source 700, a water supply device 400 and a second tub 220 may be positioned on the second supply passage 960. Specifically, an external water supply source 700, a second valve passage 915 of the first valve unit 910, a second valve passage 929 of the second valve unit 920, The second chamber 840 and the second tub 220 of the water supply connector 800 may be located.

The flow of washing water traveling along the second supply passage 960 will be described below.

The hot water supplied from the hot water supply source 710 flows into the second valve flow path 915 through the supply source connecting portion 911 of the first valve unit 910 and the hot water flowing into the second valve flow path 915 flows into the When the valve 917 is turned on, it is supplied to the second chamber 840 of the water supply connector 800. The cold water supplied from the cold water supply source 720 flows into the second valve flow passage 929 through the supply source connection portion 921 of the second valve unit 920 and the cold water introduced into the second valve flow passage 929 flows into the second When the valve 932 is turned on, it is supplied to the second chamber 840 of the water supply connector 800. At this time, hot water and cold water can be mixed in the second chamber 840. The mixed water in the second chamber 840 is supplied to the second tub 220. When either the second valve 917 of the first valve unit 910 or the second valve 932 of the second valve unit 920 is turned off, the second tub 220 is supplied with hot water And cold water may be supplied.

The first supply passage 950 and the second supply passage 960 can intersect with each other in the water supply connector 800.

FIG. 7 is a top view of a connection relationship between a water supply device, a first detergent supply device, a spray nozzle, and a first tub in a washing machine according to an embodiment of the present invention. FIG. 1 is a front view of a connection relationship between a first detergent supply device and a first tub in a washing machine according to an embodiment of the present invention. FIG. 8B is a front view of the connection relationship between the spray nozzle and the first tub in the washing machine according to the embodiment of the present invention. FIG. 9 is a perspective view of a washing machine according to an embodiment of the present invention, , A second detergent supply device, and a second tub, from the upper side. Hereinafter, a case where the water supply connector 800 according to the first embodiment is applied will be described as an example. Hereinafter, the description of the first valve unit 910 will be omitted since it is the same as that described in Figs. 4 to 6. Hereinafter, the first inlet pipe 561 and the outlet pipe 563 shown in FIG. 8A may form a part of the second hose 412 of the first water supply hose 410.

7 to 9, the water supply device 400 may further include a first water supply hose 410 connecting the water supply connector 800 to the first tub 120. The first water supply hose 410 may include a first hose 411 connecting the water supply connector 800 to the first detergent case 510. The first water supply hose 410 may further include a second hose 412 connecting the first detergent case 510 to the first tub 120. The first water supply hose 410 can connect the first discharge nozzle 897 communicating with the first chamber 830 of the water supply connector 800 and the first tub 120. [ That is, the first water supply hose 410 includes a first hose 411 connecting the first discharge nozzle 897 and the first detergent dispenser 510, a second detergent dispenser 510 connecting the first detergent dispenser 510 and the first tub 120, And a second hose 412 connecting the first hose 412 and the second hose 412 to each other.

The water supply device 400 may further include a second water supply hose 420 connecting the water supply connector 800 and the second tub 220. The second water supply hose 420 may connect the second discharge nozzle 898 communicating with the second chamber 840 of the water supply connector 800 and the second tub 220. [

A portion of the second valve unit 920 may be connected to the water supply connector 800. The remaining portion of the second valve unit 920 may be connected to configurations requiring the supply of cold water. The second detergent case 520 of the first detergent supply device 500, the third detergent case 530 of the first detergent supply device 500, the second detergent supply device 600 of the first detergent supply device 500, A second detergent case 620 of the first embodiment and an injection nozzle 1000 may be included. Specifically, the second valve unit 920 may include a source connection 921 connected to a cold water source 720. The second valve unit 920 may further include a plurality of connector connection portions connected to the water supply connector 800. The plurality of connector connecting portions may include a first cold water connector connecting portion 922 connected to the first chamber 830 and a second cold water connector connecting portion 923 connected to the second chamber 840. The second valve unit 920 may further include a third connection 924 connected to the second detergent case 620 of the second detergent supply device 600. The second valve unit 920 may further include a fourth connection 925 connected to the third detergent box 530 of the first detergent supply device 500. The second valve unit 920 may further include a fifth connection part 926 connected to the second detergent case 520 of the first detergent supply device 500. The second valve unit 920 may further include a sixth connection portion 927 connected to the injection nozzle 1000. The spray nozzle 1000 may be installed in the first tub 120 so as to spray wash water toward the first door 160. Alternatively, the spray nozzle 1000 may be installed in the first tub 120 to supply additional washing water to the first washing space 115. Alternatively, the injection nozzle 1000 may be installed in the first tub 120 so as to inject wash water toward the diaphragm 121. The second valve unit 920 may further include a supply source connection portion 921 and a plurality of respective connector connection portions and a plurality of valve flow paths connecting the supply source connection portion 921 and each of the plurality of connection portions so that the cold water can move have. The plurality of valve channels include a first valve flow path 928 for connecting the supply source connection portion 921 and the first cold water connector connection portion 922 so that the cold water can move and the first valve flow path 928 for connecting the supply source connection portion 921 and the second cold water connector And a second valve passage 929 connecting the connection portion 923. The plurality of valve passages include a third valve passage (not shown) for connecting the source connection portion 921 and the third connection portion 924 so that the cold water can move, and a third valve passage (not shown) for connecting the source connection portion 921 and the fourth connection portion 925 A fifth valve passage (not shown) for connecting the supply source connection portion 921 and the fifth connection portion 926 and a fifth valve passage (not shown) for connecting the supply source connection portion 921 and the sixth connection portion 927 And a sixth valve channel (not shown) for connecting the first and second valves. The second valve unit 920 may further include a plurality of valves disposed on each of the plurality of valve flow paths to regulate the supply of cold water. The plurality of valves may include a first valve 931 disposed on the first valve passage 928 and a second valve 932 disposed on the second valve passage 929. [ The plurality of valves includes a third valve 933 disposed on the third valve passage, a fourth valve 934 disposed on the fourth valve passage, a fifth valve 935 disposed on the fifth valve passage, And a sixth valve 936 disposed on the six valve flow path.

The water supply device 400 may further include a third water supply hose 430 connecting the third connection portion 924 and the second detergent dispenser 620 of the second detergent dispenser 600.

The water supply device 400 may further include a fourth water supply hose 440 connecting the fourth connection portion 925 and the third detergent dispenser 530 of the first detergent dispenser 500.

The water supply device 400 may further include a fifth water supply hose 450 connecting the fifth connection part 926 and the second detergent case 520 of the first detergent supply device 500.

The water supply device 400 may further include a sixth water supply hose 460 connecting the sixth connection portion 927 and the injection nozzle 1000.

The first detergent container 510 may be covered by the first detergent containing cover 540 and may be provided to be in communication with the first detergent containing cover 540. The first detergent compartment cover 540 may include a first connection pipe 541 connected to the first inflow pipe 561 of the detergent supply hose 560 to be described later.

In addition, the second detergent container 520 may be covered by the second detergent-containing cover 550 and may be provided to communicate with the second detergent-containing cover 550. The second detergent compartment cover 550 may include a second connection pipe 551 connected to the second inflow pipe 562 of the detergent supply hose 560 to be described later.

In addition, the first tub 120 may include a third connection pipe 570 connected to the outflow pipe 563 of the detergent supply hose 560. The third connection pipe 570 may guide the washing water and / or detergent introduced through the outlet pipe 563 to the first tub 120.

The first detergent supply device 500 includes a detergent supply unit 510 for connecting the plurality of detergent containers 510, 520 and 530 to the first detergent bottle 120 to guide the detergent stored in the plurality of detergent containers 510, 520 and 530 to the first detergent bottle 120, Hose < RTI ID = 0.0 > 560 < / RTI > The detergent supply hose 560 may guide the detergent stored in the first detergent case 510 and the second detergent case 520 to the first tub 120. To this end, the detergent supply hose 560 includes a first inlet pipe 561 connected to the first detergent case 510, a second inlet pipe 562 connected to the second detergent case 520, And an outlet pipe 563 connected to the tub 120. That is, the detergent supply hose 560 may be connected to the first tub 120 through an outlet pipe 563 through which the first inlet pipe 561 and the second inlet pipe 562 are joined.

When the plurality of detergent containers 510, 520 and 530 include the third detergent container 530, the third detergent container 530 is connected to the second inflow pipe 562 connected to the second detergent container 520 . Accordingly, the third detergent box 530 can be guided to the first tub 120 through the second inlet pipe 562 and the outlet pipe 563. The first inlet pipe 561 may be connected to the first detergent housing cover 540 communicating with the first detergent housing 510 and the second inlet pipe 562 may be connected to the second detergent housing 520 and / / RTI > and / or the second detergent containment cover 550 in communication with the third detergent dispenser < RTI ID = 0.0 > 530. < / RTI > The outflow pipe 563 may be connected to the third connection pipe 570 connected to the first tub 120.

The detergent supply hose 560 may be configured such that the first inlet pipe 561, the second inlet pipe 562, and the outlet pipe 563 meet above the first tub 120. That is, the detergent supply hose 560 may be provided so that the first inlet pipe 561 and the second inlet pipe 562 are joined at an upper portion of the first tub 120.

The second detergent supply device 600 includes a plurality of detergent containers 610 and 620 and a second detergent container 220 for guiding the fabric softener and / or the bleaching agent stored in the plurality of detergent containers 610 and 620 to the second tub 220, And a detergent supply hose 580 connecting the detergent supply hose 580 to the detergent supply hose 580. The detergent supply hose 580 may guide the bleaching agent stored in the first detergent container 610 and the fabric softener stored in the second detergent container 620 to the second tub 220. [ The detergent supply hose 580 includes a fourth inflow pipe 581 connecting the first detergent case 610 and the second tub 220 and a fourth inflow pipe 581 connecting the second detergent case 620 and the second tub 220, And a fifth inlet pipe 582 connecting the first inlet pipe 582 and the second inlet pipe 582. When bleach is contained in the first detergent box 610 of the second detergent supply device 600, no washing water is supplied to the first detergent box 610. The bleach contained in the first detergent container 610 is supplied to the second tub 220 through the fourth inflow pipe 581.

10 is a perspective view illustrating a water supply connector according to the first embodiment of the washing machine according to the embodiment of the present invention. Hereinafter, a description overlapping with that described in FIG. 5 will be omitted. The illustration of the connector cover 820 in Fig. 10 is omitted.

As shown in FIG. 10, the water supply connector 800 may include a connector housing 810. The water supply connector 800 may further include a plurality of chambers 830 and 840 provided therein. Specifically, the plurality of chambers 830 and 840 may be formed in the connector housing 810. [ The plurality of chambers 830 and 840 may include a first chamber 830 and a second chamber 840 disposed outside the first chamber 830 along the periphery of the first chamber 830. The first chamber 830 may be disposed on the first supply passage 950 and the second chamber 840 may be disposed on the second supply passage 960. The water supply connector 800 may further include a partition wall 860 partitioning the plurality of chambers 830 and 840. That is, the water supply connector 800 may further include a partition 860 partitioning the first chamber 830 and the second chamber 840. The partition wall 860 may have a first communication hole 861 communicating with any one of the first supply passage 950 and the second supply passage 960. 10, the partition wall 860 may have a first communication hole 861 communicating with the first supply passage 950. The water supply connector 800 may further include a plurality of hot water inflow nozzles for supplying hot water to each of the plurality of chambers 830 and 840. The plurality of hot water inflow nozzles include a first hot water inflow nozzle 891 provided to supply hot water to the first chamber 830 and a second hot water inflow nozzle 892 provided to supply hot water to the second chamber 840 . The water supply connector 800 may further include a plurality of cold water inflow nozzles for supplying cold water to each of the plurality of chambers 830 and 840. The plurality of cold water inflow nozzles includes a first cold water inflow nozzle 894 provided to supply cold water to the first chamber 830 and a second cold inflow nozzle 895 provided to supply cold water to the second chamber 840 . The first hot water inflow nozzle 891 and the first cold water inflow nozzle 894 may protrude from the first wall 811 of the connector housing 810 to be spaced apart from each other. The second hot water inflow nozzle 892 and the second cold water inflow nozzle 895 may protrude from the first wall 811 of the connector housing 810 to be spaced apart from each other. The distance between the first hot water inflow nozzle 891 and the first cold water inflow nozzle 894 may be smaller than the distance between the second hot water inflow nozzle 892 and the second cold water inflow nozzle 895. The water supply connector 800 may further include a plurality of discharge nozzles for discharging wash water in each of the plurality of chambers 830 and 840. The plurality of discharge nozzles includes a first discharge nozzle 897 protruding from the second wall 812 of the connector housing 810 facing the first wall 811 so as to discharge the wash water in the first chamber 830 . The plurality of discharge nozzles includes a second discharge nozzle 898 protruding from the second wall 812 of the connector housing 810 facing the first wall 811 so as to discharge the wash water in the second chamber 840 . The water supply connector 800 may further include a connection passage 899a connecting the first chamber 830 and the first discharge nozzle 897. [ The connection passage 899a may be formed across the second chamber 840 so as to be disconnected from the second chamber 840. The connection passage 899a may be formed so as not to be separated from the bottom surface of the second chamber 840. That is, the connection passage 899a may be integrally formed with the bottom surface of the second chamber 840. Alternatively, the connection passage 899a may be spaced apart from the bottom surface of the second chamber 840 by a predetermined distance.

The hot water introduced through the first hot water inflow nozzle 891 and the cold water introduced through the first cold water inflow nozzle 894 are mixed in the first chamber 830 and then passed through the first communication hole 861 to be connected The flow path 899a and the first discharge nozzle 897 are sequentially discharged to the outside of the water supply connector 800. [ The wash water discharged outside the water supply connector 800 flows into the first tub 120 through the first detergent case 510.

The hot water introduced through the second hot water inflow nozzle 892 and the cold water introduced through the second cold water inflow nozzle 895 are mixed in the second chamber 840 and then mixed with the water supply connector 800). The washing water discharged outside the water supply connector 800 flows into the second tub 220.

11 is a perspective view illustrating a water supply connector according to a second embodiment of the washing machine according to the embodiment of the present invention. Hereinafter, a description overlapping with that described in FIG. 5 will be omitted. The illustration of the connector cover 820 in Fig. 11 is omitted.

As shown in Fig. 11, the water supply connector 800a may include a connector housing 810. Fig. The water supply connector 800a may further include a plurality of chambers 830 and 840 provided therein. Specifically, the plurality of chambers 830 and 840 may be formed in the connector housing 810. [ The plurality of chambers 830 and 840 may include a first chamber 830 and a second chamber 840 disposed outside the first chamber 830 along the periphery of the first chamber 830. The first chamber 830 may be disposed on the second supply passage 960 and the second chamber 840 may be disposed on the first supply passage 950. The water supply connector 800a may further include a partition 860 partitioning the plurality of chambers 830 and 840. That is, the water supply connector 800a may further include a partition 860 partitioning the first chamber 830 and the second chamber 840. The partition wall 860 may have a first communication hole 861 communicating with any one of the first supply passage 950 and the second supply passage 960. 11, the partition wall 860 may have a first communication hole 861 communicating with the second supply passage 960. The description of the plurality of hot water inflow nozzles, the plurality of cold water inflow nozzles, the plurality of discharge nozzles, and the connection passage 899a will be omitted from those described with reference to FIG.

The hot water introduced through the first hot water inflow nozzle 891 and the cold water introduced through the first cold water inflow nozzle 894 are mixed in the first chamber 830 and then passed through the first communication hole 861 to be connected The flow path 899a and the second discharge nozzle 898 are sequentially discharged to the outside of the water supply connector 800a. The wash water discharged to the outside of the water supply connector 800a flows into the second tub 220.

The hot water introduced through the second hot water inflow nozzle 892 and the cold water introduced through the second cold water inflow nozzle 895 are mixed in the second chamber 840 and then mixed with the water supply connector 800a. The wash water discharged to the outside of the water supply connector 800a flows into the first tub 120 through the first detergent case 510.

12 is a perspective view illustrating a water supply connector according to a third embodiment of the washing machine according to the embodiment of the present invention. Hereinafter, a description overlapping with that described in FIG. 5 will be omitted. 12, the illustration of the connector cover 820 is omitted.

As shown in Fig. 12, the water supply connector 800b may include a connector housing 810. Fig. The water supply connector 800b may further include a plurality of chambers 830 and 840 provided therein. Specifically, the plurality of chambers 830 and 840 may be formed in the connector housing 810. [ The plurality of chambers 830 and 840 may include a first chamber 830 and a second chamber 840. The first chamber 830 may be disposed on the first supply passage 950 and the second chamber 840 may be disposed on the second supply passage 960. The water supply connector 800b may further include a partition wall 860 partitioning the plurality of chambers 830 and 840. That is, the water supply connector 800b may further include a partition 860 partitioning the first chamber 830 and the second chamber 840. The water supply connector 800b may further include a plurality of hot water inflow nozzles for supplying hot water to the plurality of chambers 830 and 840, respectively. The plurality of hot water inflow nozzles include a first hot water inflow nozzle 891 provided to supply hot water to the first chamber 830 and a second hot water inflow nozzle 892 provided to supply hot water to the second chamber 840 . The water supply connector 800b may further include a plurality of cold water inflow nozzles for supplying cold water to the plurality of chambers 830 and 840, respectively. The plurality of cold water inflow nozzles includes a first cold water inflow nozzle 894 provided to supply cold water to the first chamber 830 and a second cold inflow nozzle 895 provided to supply cold water to the second chamber 840 . The first hot water inflow nozzle 891 and the first cold water inflow nozzle 894 may protrude from the first wall 811 of the connector housing 810 to be spaced apart from each other. The second hot water inflow nozzle 892 and the second cold water inflow nozzle 895 may protrude from the first wall 811 of the connector housing 810 to be spaced apart from each other. The distance between the first hot water inflow nozzle 891 and the second cold water inflow nozzle 895 may be greater than the distance between the second hot water inflow nozzle 892 and the first cold water inflow nozzle 894. Alternatively, the distance between the first hot water inflow nozzle 891 and the second hot water inflow nozzle 892 may be designed to be smaller than the distance between the first cold water inflow nozzle 894 and the second cold inflow nozzle 895 Do. The water supply connector 800b may further include a plurality of discharge nozzles for discharging wash water in each of the plurality of chambers 830 and 840. The plurality of discharge nozzles includes a first discharge nozzle 897 protruding from the second wall 812 of the connector housing 810 facing the first wall 811 so as to discharge the wash water in the first chamber 830 . The plurality of discharge nozzles includes a second discharge nozzle 898 protruding from the second wall 812 of the connector housing 810 facing the first wall 811 so as to discharge the wash water in the second chamber 840 .

The hot water introduced through the first hot water inflow nozzle 891 and the cold water introduced through the first cold water inflow nozzle 894 are mixed in the first chamber 830 and then mixed with the water supply connector 800b. The wash water discharged to the outside of the water supply connector 800b flows into the first tub 120 through the first detergent case 510.

The hot water introduced through the second hot water inflow nozzle 892 and the cold water introduced through the second cold water inflow nozzle 895 are mixed in the second chamber 840 and then mixed with the water supply connector 800b. The wash water discharged to the outside of the water supply connector 800b flows into the second tub 220.

FIG. 13 is a perspective view illustrating a water supply connector according to a fourth embodiment of the present invention in a washing machine according to an embodiment of the present invention. FIG. Hereinafter, a description overlapping with that described in FIG. 5 will be omitted. In Fig. 13, the illustration of the connector cover 820 is omitted.

As shown in Fig. 13, the water supply connector 800c may include a connector housing 810. Fig. The water supply connector 800c may further include a plurality of chambers 830, 840, and 850 provided therein. Specifically, a plurality of chambers 830, 840, 850 can be formed in the connector housing 810. The plurality of chambers 830, 840 and 850 may include a first chamber 830 and a second chamber 840 provided outside the first chamber 830 along the periphery of the first chamber 830. The plurality of chambers 830, 840 and 850 may further include a third chamber 850 provided outside the second chamber 840 along the periphery of the second chamber 840. The first chamber 830 may be disposed on the first supply passage 950 and the second chamber 840 may be disposed on the second supply passage 960. The washing machine 1 is connected to an external water supply source 700 and an injection nozzle 1000 installed in the first tub 120 so as to be disconnected from the first supply passage 950 and the second supply passage 960 And may further include a third supply passage 970. The third chamber 850 may be disposed on the third supply passage 970. Specifically, an external water supply source 700, a water supply device 400, and an injection nozzle 1000 may be disposed on the third supply passage 970. Specifically, an external water supply source 700, a third chamber 850 of the water supply connector 800c, and an injection nozzle 1000 may be disposed on the third supply passage 970. The water supply connector 800c may further include a plurality of partitions partitioning the plurality of chambers 830, 840, 850. The plurality of partitions may include a first partition 860 partitioning the first chamber 830 and the second chamber 840. The first partition 860 may have a first communication hole 861 communicating with any one of the first supply passage 950, the second supply passage 960 and the third supply passage 970. 13, the first partition 860 may have a first communication hole 861 communicating with the first supply passage 950. The plurality of partitions may further include a second partition 870 partitioning the third chamber 850 from the first chamber 830 and the second chamber 840. Specifically, the second partition 870 may partition the second chamber 840 and the third chamber 850. The second partition 870 may have a second communication hole 871 communicating with the other one of the first supply passage 950, the second supply passage 960 and the third supply passage 970. 13, the second partition 870 may have a second communication hole 871 communicating with the second supply passage 960. [ The water supply connector 800c may further include a plurality of hot water inflow nozzles for supplying hot water to each of the plurality of chambers 830, 840, 850. The plurality of hot water inflow nozzles includes a first hot water inflow nozzle 891 provided to supply hot water to the first chamber 830, a second hot water inflow nozzle 892 provided to supply hot water to the second chamber 840, And a third hot water inflow nozzle 893 provided to supply hot water to the third chamber 850. The water supply connector 800c may further include a plurality of cold water inflow nozzles for supplying cold water to each of the plurality of chambers 830, 840, 850. The plurality of cold water inflow nozzles includes a first cold water inflow nozzle 894 provided to supply cold water to the first chamber 830, a second cold inflow nozzle 895 adapted to supply cold water to the second chamber 840, And a third cold water inflow nozzle 896 provided to supply cold water to the third chamber 850. The first hot water inflow nozzle 891 and the first cold water inflow nozzle 894 may protrude from the first wall 811 of the connector housing 810 to be spaced apart from each other. The second hot water inflow nozzle 892 and the second cold water inflow nozzle 895 may protrude from the first wall 811 of the connector housing 810 to be spaced apart from each other. The third hot water inflow nozzle 893 and the third cold water inflow nozzle 896 may protrude from the first wall 811 of the connector housing 810 to be spaced apart from each other. The distance between the first hot water inflow nozzle 891 and the first cold water inflow nozzle 894 and the distance between the second hot water inflow nozzle 892 and the second cold water inflow nozzle 895 and the distance between the third hot water inflow nozzle 893 and the third cold water inflow nozzle 896 is the distance between the third hot water inflow nozzle 893 and the third cold water inflow nozzle 896. The smallest one is the first hot water inflow nozzle 891 ) And the first cold water inflow nozzle (894). The water supply connector 800c may further include a plurality of discharge nozzles for discharging wash water in each of the plurality of chambers 830, 840, 850. The plurality of discharge nozzles includes a first discharge nozzle 897 protruding from the second wall 812 of the connector housing 810 facing the first wall 811 so as to discharge the wash water in the first chamber 830 . The plurality of discharge nozzles includes a second discharge nozzle 898 protruding from the second wall 812 of the connector housing 810 facing the first wall 811 so as to discharge the wash water in the second chamber 840 . The plurality of discharge nozzles includes a third discharge nozzle 1100 protruding from the second wall 812 of the connector housing 810 facing the first wall 811 so as to discharge the wash water in the third chamber 850 . The water supply connector 800c may further include a first connection passage 899a connecting the first chamber 830 and the first discharge nozzle 897. [ The first connection passage 899a may be formed across the second chamber 840 and the third chamber 850 so as to be disconnected from the second chamber 840 and the third chamber 850. The first connection passage 899a may be formed so as not to be separated from the bottom surface of the second chamber 840 and the bottom surface of the third chamber 850. That is, the first connection passage 899a may be integrally formed with the bottom surface of the second chamber 840 and the bottom surface of the third chamber 850. Alternatively, the first connection passage 899a may be spaced a predetermined distance from the bottom surface of the second chamber 840 and the bottom surface of the third chamber 850. The water supply connector 800c may further include a second connection passage 899b connecting the second chamber 840 and the second discharge nozzle 898. [ The second connection passage 899b may be formed across the third chamber 850 so as to be disconnected from the third chamber 850. The second connection passage 899b may be formed so as not to be separated from the bottom surface of the third chamber 850. That is, the second connection passage 899b may be integrally formed with the bottom surface of the third chamber 850. Alternatively, the second connection passage 899b may be spaced apart from the bottom surface of the third chamber 850 by a predetermined distance.

The hot water introduced through the first hot water inflow nozzle 891 and the cold water introduced through the first cold water inflow nozzle 894 are mixed in the first chamber 830 and then passed through the first communication hole 861, One connection channel 899a and the first ejection nozzle 897 are sequentially discharged to the outside of the water supply connector 800c. The washing water discharged to the outside of the water supply connector 800c flows into the first tub 120 through the first detergent case 510.

The hot water introduced through the second hot water inflow nozzle 892 and the cold water introduced through the second cold water inflow nozzle 895 are mixed in the second chamber 840 and then passed through the second communication hole 871, The second connection passage 899b and the second discharge nozzle 898 in this order, and is discharged to the outside of the water supply connector 800c. The wash water discharged to the outside of the water supply connector 800c flows into the second tub 220.

The hot water introduced through the third hot water inflow nozzle 893 and the cold water introduced through the third cold water inflow nozzle 896 are mixed in the third chamber 850 and then mixed through the third ejection nozzle 1100 800c. The washing water discharged to the outside of the water supply connector 800c flows into the spray nozzle 1000. With this arrangement, not only cold water but also hot water or lukewarm water can be supplied to the injection nozzle 1000.

FIG. 14 is a perspective view illustrating a water supply connector according to a fifth embodiment of the present invention, and FIG. 15 is a perspective view of a washing machine according to an embodiment of the present invention, Fig. 2 is an exploded perspective view showing a water supply connector. Fig. Hereinafter, a description overlapping with the water supply connector 800 according to the first embodiment will be omitted. In Fig. 14, X denotes the direction in which the washing water flows into the water supply connector 800d, and Y denotes the longitudinal direction of the water supply connector 800d. Z means the height direction of the water supply connector 800d.

As shown in Figs. 14 and 15, the water supply connector 800d may include a connector housing 810. Fig. The water supply connector 800d may further include a plurality of chambers 830 and 840 formed inside the connector housing 810. The plurality of chambers 830 and 840 may include a first chamber 830 and a second chamber 840 disposed outside the first chamber 830 along the periphery of the first chamber 830.

The water supply connector 800d may further include a partition 860 partitioning the first chamber 830 and the second chamber 840.

The water supply connector 800d may further include a plurality of hot water inflow nozzles for supplying hot water to each of the plurality of chambers 830 and 840. The plurality of hot water inflow nozzles include a first hot water inflow nozzle 891 provided to supply hot water to the first chamber 830 and a second hot water inflow nozzle 892 provided to supply hot water to the second chamber 840 . The water supply connector 800d may further include a plurality of cold water inflow nozzles for supplying cold water to each of the plurality of chambers 830 and 840. [ The plurality of cold water inflow nozzles includes a first cold water inflow nozzle 894 provided to supply cold water to the first chamber 830 and a second cold inflow nozzle 895 provided to supply cold water to the second chamber 840 . The plurality of hot water inflow nozzles and the plurality of cold water inflow nozzles may protrude from the first wall 811 of the connector housing 810 to be spaced from each other.

The water supply connector 800d may further include a plurality of inflow holes formed in the first wall 811 of the connector housing 810 to communicate with each of the plurality of hot water inflow nozzles and the plurality of cold water inflow nozzles. Specifically, the plurality of inlet holes may include a plurality of hot water inlet holes 982 (see FIG. 18) formed in the first wall 811 of the connector housing 810 to communicate with each of the plurality of hot water inlet nozzles have. Further, the plurality of inflow holes may further include a plurality of cold water inflow holes 981 (see FIG. 18) formed in the first wall 811 of the connector housing 810 so as to communicate with the respective plurality of cold water inflow nozzles have.

The water supply connector 800d may further include a plurality of discharge nozzles for discharging wash water in each of the plurality of chambers 830 and 840. The plurality of discharge nozzles includes a first discharge nozzle 897 protruding from the second wall 812 of the connector housing 810 facing the first wall 811 so as to discharge the wash water in the first chamber 830 . The plurality of discharge nozzles includes a second discharge nozzle 898 protruding from the second wall 812 of the connector housing 810 facing the first wall 811 so as to discharge the wash water in the second chamber 840 .

The water supply connector 800d may include a backflow prevention structure. The backflow prevention structure may be provided inside the water supply connector 800d. When the wash water flows into the plurality of chambers 830 and 840 through any one of the plurality of hot water inflow nozzles and the plurality of cold water inflow nozzles, the backwash preventing structure prevents the wash water, which has flowed into the chambers 830 and 840, It may be provided to prevent backflow to the outside of the water supply connector 800d through the other of the inflow nozzle and the plurality of cold water inflow nozzles. For example, when the user desires to wash laundry using only cold water, the washing water flows into the plurality of chambers 830 and 840 through a plurality of cold water inflow nozzles. At least a part of the washing water flowing into the plurality of chambers 830 and 840 may flow back to the outside of the water supply connector 800d through the plurality of hot water inflow nozzles. The wash water that has flowed back to the outside of the water supply connector 800d through the plurality of hot water inflow nozzles may cause leakage of the washing machine 1. In order to prevent the washing water flowing into the water supply connector 800d from flowing backward through the plurality of hot water inflow nozzles or the plurality of cold water inflow nozzles, the water supply connector 800d may be provided with a backflow prevention structure .

The backflow prevention structure may include a ball 2000 that is configured to open and close a plurality of inflow holes. Preferably, the backflow prevention structure may include a plurality of balls 2000 corresponding to the shape and the number of the plurality of inflow holes. The ball 2000 can open or close the plurality of inflow holes by the water pressure of the washing water flowing into the plurality of chambers 830 and 840. The ball 2000 may be received within a plurality of chambers 830, 840 adjacent the plurality of inlet holes. The ball 2000 may be received within the plurality of chambers 830 and 840 so as to be movable at predetermined intervals. The ball 2000 may have an elastic material. As an example, the elastic material may include rubber, urethane, silicone, and the like.

The backflow prevention structure may further include a guide rib 2100 provided to guide the movement of the ball 2000. Preferably, the backflow prevention structure may further include a pair of guide ribs 2100 spaced apart from each other by a predetermined distance. That is, the guide ribs 2100 may be formed of two guide ribs facing each other at a predetermined interval. As described above, when the guide ribs 2100 are formed in two, it is possible to prevent abnormal noise that may be generated by the balls 2000 when the wash water is supplied to the water supply connector 800d. The guide rib 2100 may be formed on the bottom surface of the connector housing 810. The guide rib 2100 may be formed on the bottom surface of the connector housing 810 so as to be adjacent to the plurality of inlet holes. The guide rib 2100 may be formed on the bottom surface of the connector housing 810 so as to protrude toward the inside of the plurality of chambers 830 and 840. The guide rib 2100 may be integrally formed with the bottom surface of the connector housing 810, but may be formed separately from the bottom surface of the connector housing 810. Details of the guide rib 2100 will be described later.

The backflow prevention structure may further include a restricting rib 2200 provided to limit the movement of the ball 2000. [ The constraining rib 2200 may be provided on at least one of the connector housing 810 and the connector cover 820 to limit movement of the ball 2000 beyond a certain degree. The restricting ribs 2200 may be provided on at least one of the connector housing 810 and the connector cover 820 so as to protrude toward the inside of the plurality of chambers 830 and 840. Preferably, the backflow prevention structure may include a plurality of constraining ribs 2200. [ Specifically, the plurality of restricting ribs 2200 may include a first restricting rib 2211 formed in the connector cover 820. The plurality of constraining ribs 2200 may further include a second constraining rib 2222 formed in the connector housing 810. The second restricting ribs 2222 may include a right restraining rib and a left restraining rib which are formed to face each other with the guide rib 2100 therebetween. A detailed description of the constraining rib 2200 will be described later.

The backflow preventing structure may further include a ball receiving space 2300. The ball receiving space 2300 may be formed in the plurality of chambers 830 and 840. The ball receiving space 2300 can be defined by a guide rib 2100 and a restricting rib 2200. [ Specifically, the ball receiving space 2300 can be defined by the guide rib 2100, the first restricting ribs 2211, and the second restricting ribs 2222. The ball receiving space 2300 may be formed in the plurality of chambers 830 and 840 so as to be adjacent to the plurality of inflow holes. The ball 2000 may be received within the ball receiving space 2300 so as to be movable a predetermined distance.

FIG. 16 is a cross-sectional view of the water supply connector of FIG. 14 taken along line A-A ', and FIG. 17 is an enlarged view of a part of a water supply connector according to the fifth embodiment of the present invention. to be. In Fig. 17, the connector cover 820 is omitted.

As shown in Figs. 16 and 17, the guide rib 2100 may include a curved surface. Further, the guide rib 2100 may be formed to be inclined.

The guide rib 2100 may include a first section 2111, a second section 2112 and a connection section 2113 connecting the first section 2111 and the second section 2112.

The first section 2111 may be formed to extend in the inflow direction X of the wash water with respect to the water supply connector 800d. The first section 2111 may be formed to be inclined. In other words, the first section 2111 may be formed to have a slope. The first section 2111 may be formed so as to be inclined upward with respect to the inflow direction X of the wash water with respect to the water supply connector 800d. The first section 2111 may be inclined upward so as to have a slope of 0 to 60 degrees with respect to the inflow direction X of the wash water with respect to the water supply connector 800d. The ball 2000 may move along the first section 2111. [

The second section 2112 may extend in the height direction Z of the water supply connector 800d. The second section 2112 may restrict the movement of the ball 2000 by a predetermined distance or more in the inflow direction X of the wash water for the water supply connector 800d.

The connection section 2113 may be located between the first section 2111 and the second section 2112. The connection section 2113 may be formed of a curved surface. Preferably, the curvature of the connection section 2113 may be the same as the curvature of the ball 2000. When the connection section 2113 is designed so that the curvature of the connection section 2113 is equal to the curvature of the ball 2000, the ball 2000, which moves toward the plurality of discharge nozzles by the water pressure of the washing water, And can stably be mounted on the base 2113.

The first restraining ribs 2211 may be formed to extend from the connector cover 820 in the height direction Z of the water supply connector 800d. The first constraining rib 2211 may include a ball-facing surface 2211a facing the ball 2000. [ The ball corresponding surface 2211a may face the bottom surface of the plurality of chambers 830 and 840. The ball corresponding surface 2211a may be a curved surface. Preferably, the curvature of the ball-corresponding surface 2211a may be the same as the curvature of the ball 2000. [ However, the curvature of the ball corresponding surface 2211a is not limited to the above example, and can be variously changed.

The second restricting rib 2222 may be formed in the connector housing 810 to prevent the ball 2000 from moving in the longitudinal direction Y of the water supply connector 800d by more than a predetermined distance. The second restricting ribs 2222 may include a right restraining rib and a left restraining rib which face each other in the longitudinal direction Y of the water supply connector 800d. At least one of the right restraining rib and the left restraining rib may be configured as a pair. It is sufficient that the second constraining rib 2222 can prevent the ball 2000 from moving in the longitudinal direction Y of the water supply connector 800d by more than a predetermined distance, and the shape thereof is not limited to the above example.

18 is a view showing an operation state of a backflow prevention structure provided in a water supply connector according to a fifth embodiment of the washing machine according to the embodiment of the present invention. In FIG. 18, the right and left thick arrows indicate the direction of the water pressure acting on the ball 2000.

18, the backflow preventing structure can be operated by the water pressure of the washing water flowing into the plurality of chambers 830 and 840 through any one of the plurality of hot water inflow nozzles and the plurality of cold water inflow nozzles. Hereinafter, an operation state of the backflow prevention structure will be described, focusing on the case where the cold water flows into the plurality of chambers 830 and 840 through the plurality of cold water inflow nozzles.

The ball 2000 exists in a state in which it can move at a predetermined interval within the ball receiving space 2300 at normal time. That is, the ball 2000 is freely movable within the ball receiving space 2300 before the cold water flows into the water supply connector 800d.

When the cold water flows into the plurality of chambers 830 and 840 through the plurality of cold water inflow nozzles, the ball 2000 positioned adjacent to the plurality of cold water inflow holes 981 is supplied with the water pressure of the cold water discharged from the plurality of cold water inflow nozzles . Specifically, the ball 2000 located adjacent to the plurality of cold water inflow holes 981 is subjected to the water pressure of the cold water in the inflow direction X of the wash water to the water supply connector 800d. As a result, the ball 2000 moves away from the plurality of cold water inflow holes 981 along the guide rib 2100. That is, the ball 2000 is moved along the first section 2111 of the guide rib 2100 until the movement of the ball 2000 is restricted by the second section 2112 of the guide rib 2100, 2113, respectively. In other words, when the cold water flows into the water supply connector 800d, the water pressure of the cold water is applied to the balls 2000 adjacent to the plurality of cold water inflow holes 981, so that the plurality of cold water inflow holes 981 are opened And the cold water can be introduced into the plurality of chambers 830 and 840 through the plurality of cold water inflow holes 981. [ At least a portion of the cold water introduced into the plurality of chambers 830 and 840 can move toward the plurality of hot water inflow nozzles. At this time, in the ball 2000 positioned adjacent to the plurality of hot water inflow holes 982, water pressure is applied in the direction opposite to the direction of the water pressure applied to the ball 2000 positioned adjacent to the plurality of cold water inflow holes 981 Is applied. In other words, when the cold water flows into the water supply connector 800d, the ball 2000 positioned adjacent to the plurality of cold water inflow holes 981 is provided with the cold water in the direction toward the second wall 812 of the connector housing 810 Water pressure is applied. On the other hand, the water pressure of the cold water is applied to the ball 2000 located adjacent to the plurality of hot water inlet holes 982 in the direction toward the first wall 811 of the connector housing 810. As a result, the ball 2000 positioned adjacent to the plurality of hot water inflow holes 982 can move so as to be in close contact with the plurality of hot water inflow holes 982, and the plurality of hot water inflow holes 982 can move to the ball 2000 Can be closed by. When the cold water is introduced into the plurality of chambers 830 and 840 through the plurality of cold water inflow nozzles, the cold water introduced into the chambers 830 and 840 flows through the plurality of hot water inflow nozzles, Can be effectively prevented.

14 to 18, the backflow prevention structure is applied to the water supply connector 800 according to the first embodiment. However, the backflow prevention structure is applicable not only to the water supply connector 800 according to the first embodiment, The water supply connector 800a, 800b, 800c according to the present invention can be applied.

The foregoing has shown and described specific embodiments. However, it should be understood that the present invention is not limited to the above-described embodiment, and various changes and modifications may be made without departing from the technical idea of the present invention described in the following claims .

1: Washing machine 30: Fixing bracket
40: front cover 41: first laundry inlet
42: first hook receiving portion 50: control panel
110: first drum 111: first opening
112: first balancer 113: lifter
114: opening 115: first washing space
120: first tub 121: diaphragm
123: opening 130: first housing
131: side frame 132: bottom frame
133: first spring coupling portion 140: first drive motor
141: first drive shaft 142: bearing housing
143: Bearing 150: Damper
151: spring 160: first door
161: first door frame 162: first door cover
163: Door glass 164: Secondary door
165: connection guide portion 166: first hook
167: auxiliary laundry input port 168: glass through hole
170: first drainage pump 171: first connection hose
172: first drainage hose 173: first drainage hole
174: circulating hose 180: heater
210: second drum 211: second through hole
212: second balancer 213: bend
214: third laundry inlet 215: second laundry space
220: second tub 230: second housing
231: Lower frame 232: Upper frame
233: side cover 234: second laundry inlet
240: second drive motor 241: second drive shaft
250: Suspension device 260: Second door
261: second door frame 262: second door cover
263: latch receiving portion 270: second drain pump
271: second connection hose 272: second drainage hose
273: second drain port 280: third door
281: third door frame 282: third door cover
283: handle 284: second hook
300: filter 400: water supply device
410: first water supply hose 411: first hose
412: Second hose 420: Second water supply hose
430: Third water supply hose 440: Fourth water supply hose
450: fifth water supply hose 460: sixth water supply hose
500: first detergent supply device 510: first detergent container
520: Second detergent box 530: Third detergent box
540: first detergent compartment cover 541: first connection pipe
550: second detergent case cover 551: second connection pipe
560: Detergent supply hose 561: First inlet pipe
562: second inlet pipe 563: outlet pipe
570: Third connector 580: Detergent supply hose
581: fourth inlet pipe 582: fifth inlet pipe
600: Second detergent dispenser 610: First detergent dispenser
620: second detergent 700: external water source
710: hot water source 720: cold water source
800, 800a, 800b, 800c: water supply connector 810: connector housing
811: first wall 812: second wall
820: connector cover 830: first chamber
840: Second chamber 850: Third chamber
860: first partition 861: first communication hole
870: second partition 871: second communication hole
880: Rigidity reinforcement rib 891: First hot water inflow nozzle
892: second hot water inflow nozzle 893: third hot water inflow nozzle
894: first cold water inflow nozzle 895: second cold water inflow nozzle
896: third cold water inflow nozzle 897: first ejection nozzle
898: Second discharge nozzle 899a: First connection channel
899b: Second connection channel 900: Water supply valve
910: first valve unit 911: source connection
912: first hot water connector connecting part 913: second hot water connector connecting part
914: first valve passage 915: second valve passage
916: first valve 917: second valve
920: second valve unit 921: source connection
922: first cold water connector connection part 923: second cold water connector connection part
924: third connecting portion 925: fourth connecting portion
926: fifth connection part 927: sixth connection part
928: first valve passage 929: second valve passage
931: first valve 932: second valve
933: third valve 934: fourth valve
935: fifth valve 936: sixth valve
950: first supply passage 960: second supply passage
970: Third supply passage 1000: Injection nozzle
1100: Third discharge nozzle 1300: Storage box cover
1360: buffer member 800d: water supply connector
981: Cold water inlet hole 982: Hot water inlet hole
2000: Ball 2100: Guide rib
2111: First section 2112: Second section
2113: connection section 2200: constraining rib
2211: first restricting rib 2211a: ball corresponding surface
2222: second restricting rib 2300: ball receiving space

Claims (20)

A first housing having a first laundry inlet formed at a front side;
A first tub provided inside the first housing;
A second housing disposed above the first housing, the second housing having a second laundry loading port formed thereon;
A second tub provided inside the second housing;
And a water supply device connected to an external water supply source to supply wash water to the first tub and the second tub and installed in the second housing,
The water supply device includes:
A water supply connector having a plurality of chambers therein;
A first water supply hose connecting the water supply connector and the first tub; And
And a second water supply hose connecting the water supply connector and the second tub. The method according to claim 1,
Wherein the plurality of chambers comprises:
A first chamber; And
And a second chamber provided outside the first chamber along the periphery of the first chamber,
Wherein the first chamber and the second chamber are separated from each other by partition walls. 3. The method of claim 2,
Wherein the water supply connector includes:
A first hot water inflow nozzle for supplying hot water to the first chamber; And
And a first cold water inflow nozzle for supplying cold water to the first chamber. The method of claim 3,
Wherein the first hot water inflow nozzle and the first cold water inflow nozzle are protruded from the first wall of the water supply connector so as to be spaced apart from each other. 5. The method of claim 4,
Wherein the water supply connector further comprises a first discharge nozzle protruding from a second wall of the water supply connector facing the first wall to discharge the wash water in the first chamber. 6. The method of claim 5,
Wherein the water supply connector further comprises a connection channel connecting the first chamber and the first discharge nozzle,
Wherein the connection channel is formed across the second chamber so as to be disconnected from the second chamber. 3. The method of claim 2,
Wherein the water supply connector includes:
A second hot water inflow nozzle for supplying hot water to the second chamber; And
And a second cold water inflow nozzle for supplying cold water to the second chamber. 8. The method of claim 7,
And the second hot water inflow nozzle and the second cold water inflow nozzle are protruded from the first wall of the water supply connector so as to be spaced apart from each other. 9. The method of claim 8,
Wherein the water supply connector further comprises a second discharge nozzle protruding from a second wall of the water supply connector facing the first wall to discharge the wash water in the second chamber. The method according to claim 1,
Further comprising a water supply valve disposed between the external water supply source and the water supply connector to regulate water supply of the wash water. The method according to claim 1,
Further comprising a detergent box installed in the second housing to receive the detergent supplied to the first tub,
The first water supply hose includes:
A first hose connecting the water supply connector and the detergent dispenser; And
And a second hose connecting the detergent case to the first tub. A first housing;
A first tub provided inside the first housing;
A second housing disposed above the first housing;
A second tub provided inside the second housing; And
And a water supply device connected to an external water supply source to supply wash water to the first tub and the second tub and installed in the second housing,
Wherein the water supply device includes a water supply connector having a plurality of chambers partitioned from each other. 13. The method of claim 12,
The first housing includes a first laundry inlet formed at a front side thereof,
And the second housing includes a second laundry inlet formed above the second housing. 13. The method of claim 12,
A first supply passage connecting the external water source and the first tub; And
And a second supply passage connecting the external water source and the second tub,
Wherein the plurality of chambers comprises:
A first chamber disposed on the first supply passage; And
And a second chamber disposed on the second supply passage. 15. The method of claim 14,
Wherein the water supply connector further comprises a first partition wall defining the first chamber and the second chamber and having a first communication hole communicating with any one of the first supply passage and the second supply passage. 15. The method of claim 14,
And the second chamber is provided outside the first chamber along the periphery of the first chamber. 15. The method of claim 14,
And a third supply passage for connecting the external water supply source and the spray nozzle provided in the first tub so as to be disconnected from the first supply passage and the second supply passage. 18. The method of claim 17,
And the plurality of chambers further include a third chamber disposed on the third supply passage. The method according to claim 1,
Wherein the water supply connector includes a backflow preventing structure formed inside the plurality of chambers so as to be operable by water pressure of washing water supplied to the plurality of chambers. 20. The method of claim 19,
Wherein the water supply connector includes:
A plurality of hot water inflow nozzles for supplying hot water to the plurality of chambers; And
And a plurality of cold water inflow nozzles for supplying cold water to the plurality of chambers,
The backflow prevention structure prevents the wash water from flowing back to the other one of the plurality of hot water inflow nozzles and the plurality of cold water inflow nozzles when the wash water is supplied from any one of the hot water inflow nozzles and the plurality of cold water inflow nozzles Washing machine provided.

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