KR101864832B1 - Wall mounted mini drum type washing machine - Google Patents

Abstract

The present invention relates to a wall-mounted mini-drum washing machine, and more particularly, to a wall-mounted mini-drum washing machine that improves drainage efficiency of washing water drained in a vertical direction in a drum washing machine mounted on a wall.
The present invention relates to a washing machine comprising a water supply device for supplying washing water to a rear surface of a cabinet on which a door is installed and having a front surface and a driving part for providing power required for washing operation, A tub installed in the cabinet for collecting washing water in a cylindrical space, the tub integrally formed on the back panel, the drum rotatably installed therein, and the front panel on which the door is installed, And a drain unit coupled to the rear panel to surround the tub and to determine whether the washing water drained from the tub is to be drained. The drain unit discharges the washing water discharged from the tub to the lower side of the box unit, The present invention provides a wall-mounted mini-drum washing machine comprising:

Description

WALL MOUNTED MINI DRUM TYPE WASHING MACHINE

The present invention relates to a wall-mounted mini-drum washing machine, and more particularly, to a wall-mounted mini-drum washing machine that improves drainage efficiency of washing water drained in a vertical direction in a drum washing machine mounted on a wall.

The wall-mounted type drum washing machine can be used in a narrow space and can also be used as a wall mount. The drum washing machine has a washing machine main body and a door which is openable and closable in front of the washing machine main body.

The main body of the washing machine constitutes the appearance of the washing machine and can be divided into an intermediate case, a rear case and a front case.

Inside the washing machine body, a cylindrical washing machine is provided. A washing drum is rotatably installed inside the washing tub. The washing drum is rotated by the power of the forward and reverse motors installed inside the washing machine main body.

A pulley is provided on the shaft of the washing drum, and a pulley is provided on the shaft of the forward and reverse motors. And each of the pulleys is connected by a power transmission belt so that power transmission is possible.

The washing drum is formed so as to be shorter in depth than the diameter, so that the front and rear length of the washing machine body is short.

In addition, a key input unit is provided on the front surface of the washing machine main body, that is, the front case, so that the user can easily operate the washing machine when the washing machine main body is installed on a wall or installed at a predetermined height on the floor surface such as a table.

Background Art [0002] The background art of the present invention is disclosed in Korean Patent Laid-Open Publication No. 10-2006-0125298 (published on December 6, 2006, entitled "Drum Washing Machine").

Since the tub is installed inside the cabinet, a separate member for supporting the tub is installed inside the cabinet, so that it is difficult to reduce the size of the wall-mounted drum washing machine and the drum washing machine can not be installed in various places.

In addition, a general wall-mounted type drum washing machine has a driving part installed inside a cabinet, requiring a space for installing a driving part, which makes it difficult to reduce the size of the wall-mounted type drum washing machine.

In addition, since a power transmission unit is provided between a motor and a drum in a general wall-mounted type drum washing machine, a space for installing the power transmission unit is required, which makes it difficult to reduce the size of the wall-mounted drum washing machine.

In addition, since the tub of the general wall-mounted type drum washing machine is formed into a cylindrical shape and the cabinet is formed in a hexahedral shape, surplus space is generated inside the cabinet, so that it is difficult to reduce the size of the drum washing machine. There is no problem.

In addition, since a drain pipe for draining wash water from a tub is connected to a rear surface or a side surface of a cabinet in a general wall-mounted type drum washing machine, the wall-mounted drum washing machine can not be installed in various spaces.

In addition, since the conventional wall-mounted type drum washing machine is not provided with a heater for raising the temperature of the washing water, there is a problem that the washing operation can not be performed.

In addition, since a typical wall-mounted drum washing machine has a complicated sealing structure that covers the gap between the tub and the opening of the cabinet in which the door is installed, it is difficult to reduce the number and size of components of the wall-mounted drum washing machine.

Therefore, there is a need for improvement.

The present invention relates to a wall-mounted type drum washing machine capable of reducing the size and the number of parts of a wall-mounted type drum washing machine by improving the shape of a cabinet, a tub connecting structure, and a driving part, Type drum washing machine.

According to an aspect of the present invention, there is provided a washing machine comprising: a water supply device for supplying washing water to a rear surface of a cabinet having a front opening and a door; a driving unit for providing power required for washing operation; A rear panel mounted on the wall; A tub installed in the cabinet so as to be able to drain wash water in a cylindrical space, a tub integrally formed on the back panel and having a drum rotatably installed therein; And a drainage unit connected to the front panel on which the door is installed to form an outer wall of the cabinet and coupled to the rear panel to surround the tub and to determine whether the washing water drained from the tub is drained, ; And a drain device for discharging washing water discharged from the tub to a lower side of the box part.

The drainage device may include a first drain pipe provided at a lower portion of the tub to discharge wash water; A second drain pipe disposed below the first drain pipe and having a diameter larger than the diameter of the first drain pipe; And a siphon drain unit provided between the first drain pipe and the second drain pipe for applying siphon pressure to the first drain pipe by the wash water discharged from the second drain pipe to promote drainage.

The siphon drainage unit may include a body having an inlet connected to the first drain pipe and an outlet connected to the second drain pipe; A drain guide member formed in a cap shape inside the body and having a space at a lower portion thereof; And a siphon guide pipe protruding upward from a bottom surface of the body so as to be discharged while descending along the discharge port after the wash water is moved upward, and forming a flow path by maintaining an interval from the drain guide member.

In addition, the body may include: a first body having the inlet formed therein and having a first flange formed around a lower portion thereof; A second body having a second flange formed in contact with the first flange and having the outlet; And a fixing member for coupling the first flange and the second flange to each other.

Further, an O-ring for sealing is provided on a corresponding inner surface of the first flange and the second flange.

Further, the O-ring is installed in a first seating groove formed in the first flange and a second seating groove formed in the second flange.

The drainage guide member is supported by a plurality of support members provided between an inner surface of the body and an outer surface of the drainage guide member.

The siphon guide tube is formed on the bottom surface of the body, is connected to the discharge port, and has an inner diameter equal to an inner diameter of the discharge port.

The siphon guide pipe may protrude upward from the bottom surface of the body, the drain guide member may be disposed to surround the upper portion of the siphon guide pipe, and a gap may be formed between the inner wall of the drain guide member and the outer wall of the siphon guide pipe So that the flow path is formed.

The wall-mounted mini-drum washing machine according to the present invention can reduce the size of the drum washing machine since the tub is integrally formed on the rear panel mounted on the wall surface, so that a separate shock absorber is not required and the drum washing machine can be installed in various places There is an advantage.

The wall-mounted mini-drum washing machine according to the present invention is advantageous in that the size of the wall-mounted mini-drum washing machine can be reduced because a cabinet is formed in a cylindrical shape and thus no surplus space is formed between the tub and the cabinet.

In the wall-mounted mini-drum washing machine according to the present invention, since the driving part for supplying power to the drum is installed outside the cabinet, a space for installing the driving part is not required in the cabinet, thereby reducing the size of the wall- .

According to the embodiment of the present invention, since the driving unit is directly connected to the drum of the wall-mounted mini-drum washing machine, a separate power transmission unit is not required, thereby reducing the number and size of components of the wall-mounted mini-drum washing machine.

In the wall-mounted mini-drum washing machine according to the present invention, since the wash water is discharged from the bottom surface of the cabinet, when the wall-mounted mini-drum washing machine is installed, other furniture or a wall disposed on the side or rear surface of the cabinet does not interfere with the drain, There is an advantage that the drum washing machine can be installed in various places.

In addition, the wall-mounted mini-drum washing machine according to the present invention is provided with a heater capable of heating the washing water to be dewatered in the tub, so that boiling can be performed to improve the washing efficiency of the wall-mounted mini-drum washing machine .

In addition, the wall-mounted mini-drum washing machine according to the present invention is advantageous in that the number and size of components of the wall-mounted mini-drum washing machine can be reduced because the gasket provided between the cab and the tub serves as a front panel.

A drainage device for a wall-mounted mini-drum washing machine according to the present invention includes first and second drain pipes having different diameters for discharging wash water to a lower portion of a drum, and a siphon drainage part is provided between the first and second drain pipes, Removal and drainage times can be shortened to improve drainage efficiency.

In addition, the wall-mounted mini-drum washing machine according to the present invention separates the body of the siphon drainage part from the upper part and the lower part to easily perform the removing operation when foreign substances are accumulated in the body.

1 is a perspective view illustrating a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
2 is an exploded perspective view of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
3 is an exploded perspective view illustrating a front panel mounting structure of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
4 is an exploded perspective view illustrating a gasket and heater mounting structure of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
5 is a perspective view illustrating a bracket of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
6 is a perspective view illustrating a tub, a front panel, and a gasket mounting structure of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
7 is a rear perspective view of a tub of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
8 is an exploded perspective view illustrating a water supply device of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
FIG. 9 is a rear perspective view illustrating a connection portion of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
10 is a perspective view illustrating a front panel of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
11 is a sectional view showing a mounting structure of a tub, a front panel and a gasket of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
12 is a sectional view of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
13 is a perspective view illustrating a structure for installing a drainage device of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
FIG. 14 is an exploded perspective view illustrating a structure for installing a drainage device of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
15 is an exploded perspective view illustrating a drainage device of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
16 is a side cross-sectional view illustrating a drainage device assembled state of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
17 is a plan view of a drainage device of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.
18 is an exploded perspective view illustrating a gasket mounting structure of a wall-mounted mini-drum washing machine according to another embodiment of the present invention.
19 is a cross-sectional view illustrating a gasket mounting structure of a wall-mounted mini-drum washing machine according to another embodiment of the present invention.
20 is a cross-sectional view illustrating a state in which a protruding gasket is inserted into a gasket of a wall-mounted mini-drum washing machine according to another embodiment of the present invention.
21 is a sectional view showing a state where a ring spring is added to a gasket of a wall-mounted mini-drum washing machine according to another embodiment of the present invention.

Hereinafter, an embodiment of a wall-mounted mini-drum washing machine according to the present invention will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator.

Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a perspective view illustrating a wall-mounted mini-drum washing machine according to an embodiment of the present invention, FIG. 2 is an exploded perspective view illustrating a wall-mounted mini-drum washing machine according to an embodiment of the present invention, Sectional view illustrating a front panel mounting structure of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.

4 is an exploded perspective view illustrating a gasket and a heater mounting structure of a wall-mounted mini-drum washing machine according to an embodiment of the present invention. FIG. 5 is a perspective view of a bracket of a wall- 6 is a perspective view illustrating a tub, a front panel and a gasket mounting structure of a wall-mounted mini-drum washing machine according to an embodiment of the present invention. Referring to FIG.

FIG. 7 is a rear perspective view of a tub of a wall-mounted mini-drum washing machine according to an embodiment of the present invention, FIG. 8 is a cross-sectional view of a wall-mounted mini-drum washing machine according to an embodiment of the present invention, And FIG. 9 is a rear perspective view illustrating a connecting portion of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.

10 is a perspective view illustrating a front panel of a wall-mounted mini-drum washing machine according to an embodiment of the present invention. FIG. 11 is a perspective view illustrating a tub, a front panel, and a gasket of a wall-mounted mini-drum washing machine according to an embodiment of the present invention. And FIG. 12 is a cross-sectional view illustrating a wall-mounted mini-drum washing machine according to an embodiment of the present invention.

1 to 12, a wall-mounted mini-drum washing machine according to an embodiment of the present invention includes a cabinet 110, a tub 130 installed inside the cabinet 110 to wash the wash water, A water supply device 150 for supplying washing water from the upper surface of the tub 130 to the inside of the tub 130 and a drain device 30, 40 and 50 for discharging washing water from the tub 130.

The washing water is supplied to the tub 130 from the upper surface of the cabinet 110 by the operation of the water supply device 150. In this embodiment, ).

The water supply device 150 is not connected to the rear surface of the cabinet 110 and the water supply device 150 is connected to the upper surface of the cabinet 110 so that the back surface of the cabinet 110 can be closely attached to the wall surface, A mini-drum washing machine can be realized.

The water supply device 150 includes a water supply pipe 152 connected to the rear surface of the tub 130 from the upper surface of the cabinet 110.

When the water supply hose is connected to the water supply pipe 152, the wash water supplied from the upper surface of the cabinet 110 is supplied into the cabinet 110, As shown in FIG.

The washing water supplied along the water supply pipe 152 is sprayed on the outer wall of the drum 156 while being sprayed forward from the rear of the drum 156 and is discharged along the plurality of holes formed in the drum 156, .

The washing water sprayed on the outer wall of the drum 156 cleans the foreign substances remaining on the outer wall of the drum 156, thereby preventing foreign matter such as detergent or lint from remaining on the outer wall of the drum 156.

The washing water sprayed to the outer wall of the drum 156 is supplied to the inside of the drum 156 along the hole formed in the drum 156 so that the washing water is sprayed on the entire laundry stored in the drum 156, .

As described above, since the wash water is supplied to the drum 156 while being sprayed forward from the rear of the tub 130, the laundry is easily wetted at the beginning of the washing operation, which is stored in the drum 156, do.

The cabinet 110 includes a rear panel 120 on which a tub 130 is integrally formed and a box portion 118 coupled to the rear panel 120 to surround the tub 130, And a front panel 112 installed on the door 118 and provided with a door 114.

The rear panel 120 is coupled to the wall surface by a fastening member, and the tub 130 is integrally formed on the rear panel 120.

Since the tub 130 is integrally formed on the back panel 120 mounted on the wall, a separate damper or an elastic member for supporting the tub 130 is not required, so that the number of parts is reduced and the size of the drum washing machine is reduced.

Since the back panel 120 serves both as a supporting member for supporting the tub 130 and as a mounting member for mounting the cabinet 110 on the wall surface, the structure of the cabinet 110 is simplified, The structure becomes simple.

The rear panel 120 has a circular front shape, and a cylindrical tub 130 is integrally formed on the front surface of the rear panel 120.

The tub 130 is formed into a cylindrical shape having a larger diameter toward the door 114 side.

When the siphon drainage unit 50 is connected to the front portion of the tub 130, the washing water remaining in the tub 130 flows toward the front side of the tub 130 along the inclined surface, It is possible to prevent the remaining portion from being left.

The back panel 120 is installed on the wall surface by a plurality of fastening members.

A cylindrical box portion 118 is provided on the rear panel 120 so as to surround the circumference of the tub 130 and a front panel 112 of a circular panel shape is provided on the front surface of the box portion 118 .

Accordingly, the present embodiment provides a wall-mounted mini-drum washing machine mounted on a wall in a cylindrical shape.

Since the tub 130 is integrally formed on the back panel 120 and is mounted on the wall surface, it is not required to have a damper or an elastic member for supporting the tub 130 by being fixed to the wall surface.

Since the drum 156 of the present embodiment is made compact so as to store only a small amount of laundry, the vibration generated by the rotation of the drum 156 is small, so that the fastening force of the fastening member provided on the back panel 120 lowers the vibration of the drum 156 Lt; / RTI >

Since the back panel 120, the box portion 118 and the front panel 112 of this embodiment are not erected on the ground but are mounted on the wall surface, the back panel 120, the box portion 118 and the front panel 112 The front shape can be circular and can be changed into various shapes.

The rear panel 120 is formed with a mounting groove 122 concaved forward from the rear surface of the rear panel 120 so as to form a space between the wall panel and the rear panel 120.

Therefore, the driving unit 180 is located in the space between the wall surface formed by the mounting groove 122 and the back panel 120. [

The water supply pipe 152 is formed in the connection part 124 formed by cutting the rim of the mounting groove part 122 so that the water supply pipe 152 protruding from the upper surface of the cabinet 110 and the box part 118 are not interfered.

Therefore, when repairing the water supply device 150, the water supply device 150 can be repaired through the connection part 124 without removing the box part 118.

A water supply valve 154 is installed in the connection part 124 so as to be connected to the water supply pipe 152 and a cover 128 is installed to cover the water supply valve 154 so as to open and close the connection part 124.

The water supply pipe 152 and the water supply valve 154 are connected to each other when the water supply valve 154 is seated in the fastening hole 126. The water supply pipe 154 is connected to the water supply pipe 154,

The cover 128 is coupled to one of the plurality of coupling holes 126a and the box portion 118 is coupled to the other coupling hole 126b of the plurality of coupling holes 126 And is coupled by a fastening member.

The cover 128 can be separated from the connecting portion 124 by disassembling the fastening member coupled to the fastening hole 126 and the fastening member can be disassembled after the cover 128 is disengaged, 154 can be separated.

Therefore, when the water supply valve 154 is broken, the cover 128 is separated from the connecting portion 124 by separating the fastening member coupled to the cover 128 without separating the box portion 118 from the back panel 120 And the coupling member coupled to the water supply valve 154 is disassembled, so that the water supply valve 154 can be replaced.

Since the back panel 120 and the tub 130 are made of a synthetic resin material and are manufactured by an injection process, the tub 130 and the back panel 120 can be manufactured by one injection process.

Accordingly, it is possible to reduce the time and cost required for the fabrication of the tub 130 and the back panel 120.

On the rear surface of the back panel 120, a driving unit 180 for providing power to the drum 156 is installed.

The driving unit 180 includes a motor 182 installed in the mounting groove 122 and a rotary shaft 184 rotatably installed to pass through the rear panel 120 to transmit the power of the motor 182, And a support 186 connecting the drum 156 and the drum 184 to each other.

The rotation shaft 184 is coupled to the center of the support 186 so that the power of the motor 182 is transmitted to the rotary shaft 184 and the support table 186 186 to the drum 156.

The bracket 134 for supporting the heater 139 is slidably coupled to the seating groove 132. The heater 139 is mounted on the tub 130. [

The seating groove 132 is formed with a pair of rails 132a so that the bracket 134 is slidably inserted into the seating groove 132 .

The bracket 134 includes a pair of protrusions 134b slidably inserted along the rail 132a and a fitting hole 134a into which one end of the heater 139 is inserted between the pair of protrusions 134b. .

Since the front panel 136 is provided on the tub 130 and the connection hole 138 for supporting the heater 139 is formed on the front panel 136, When the heater 139 is inserted through the hole 138, one end of the heater 139 is inserted into the fitting hole 134a and the other end of the heater 139 is inserted into the connection hole 138. [

The operator can remove the heater 139 through the connection hole 138 without detaching the front panel 136 from the tub 130. [

The box portion 118 is provided with a front panel 112 on which the door 114 is installed and a gasket (not shown) is provided between the front panel 136 and the storage hole portion 136a of the front panel 136, 116 are installed.

FIG. 13 is a perspective view illustrating a structure for installing a drainage device of a wall-mounted mini-drum washing machine according to an embodiment of the present invention, FIG. 14 is a perspective view illustrating a structure for installing a drainage device of a wall- And FIG. 15 is an exploded perspective view illustrating a drainage device of a wall-mounted mini-drum washing machine according to an embodiment of the present invention.

16 is a side cross-sectional view illustrating a state of assembling a drainage device of a wall-mounted mini- rum type washer according to an embodiment of the present invention. FIG. 17 is a cross- Fig.

Referring to Figs. 13 to 17, the water draining apparatuses 30, 40 and 50 of the present embodiment include a first drain pipe 30, a second drain pipe 40 and a siphon drainage unit 50.

The first drain pipe 30 is provided under the tub 130 and is connected to the first drain pipe 30 after the laundry stored in the drum 156 is washed by water and detergent supplied by the water supply device 150, And is then discharged outside the cabinet 110.

The drum 156 is rotatably installed in the tub 130 and a drainage device 30, 40, 50 is installed in the lower part of the tub 130 to discharge wash water generated from the lower portion of the drum 156.

The second drain pipe (40) is disposed below the first drain pipe (30) and has a larger diameter than the diameter of the first drain pipe (30).

The second drain pipe 40 is connected to the first drain pipe 30 through a siphon drainage unit 50 described below.

The first drain pipe 30 is provided with a drain valve 42 for opening and closing the drain of wash water and a drain valve 42 may be a solenoid valve.

The first drain pipe (30) and the second drain pipe (40) are arranged so that their pipe center lines are aligned vertically.

The siphon drainage unit 50 is provided between the first drainage pipe 30 and the second drainage pipe 40 and applies siphon pressure to the first drainage pipe 30 by the wash water discharged from the second drainage pipe 40, Promote the discharge of water.

The siphon drainage section 50 includes a body 52, a drain guide member 70, and a siphon guide pipe 74.

An inlet port 55 connected to the first drain pipe 30 and an outlet port 61 connected to the second drain pipe 40 are formed in the body 52 and a space Respectively.

The body 52 has a first body 54 formed with an inlet 55 and a first flange 56 formed around a lower portion thereof and a second flange 62 contacting the first flange 56 A second body 60 having a discharge port 61 and a fixing member 66 for coupling the first flange 56 and the second flange 62 to each other.

A corresponding inner surface of the first flange 56 and the second flange 62 is provided with an O-ring 68 for sealing.

The O-ring 68 is formed in a circular or polygonal cross-section. An embodiment of the present invention shows a state having a circular cross section.

The O-ring 68 is installed in a first seating groove 58 formed in the first flange 56 and a second seating groove 64 formed in the second flange 62.

The fixing member 66 is composed of a bolt to be fitted in the hole formed in the first flange 56 and the second flange 62, and a nut coupled thereto. Needless to say, other mechanical fastening elements such as screws can be applied as needed.

The drainage guiding member 70 is formed in a cap shape inside the body 52, and has a space at the bottom.

The drainage guide member 70 is supported by a plurality of support members 72 provided between the inner surface of the body 52 and the outer surface of the drainage guide member 70.

The drainage guide member 70 is disposed in a state where the lower circumferential surface of the drainage guide member 70 is spaced apart from the bottom surface of the second body 60 such that the support member 72 contacts the outer surface of the drainage guide member 70, By interconnecting the inner surfaces of the body 52 with each other.

The siphon induction pipe 74 is fixed to the body 52 so as to be discharged through the discharge port 61 after the wash water has risen upward and is connected to the drainage inducing member 70 while maintaining a space above the siphon induction pipe 74, So that the flow path 76 is opened to increase the washing water.

The siphon guide tube 74 protrudes upward from the bottom surface of the body 52 and is connected to the discharge port 61 and has an inner diameter equal to the discharge port 61. Further, the discharge port 61 is configured to have the same inner diameter as the second discharge pipe 40.

The drainage guide member 70 is disposed so as to surround the upper portion of the siphon guide pipe 74 projecting upward from the bottom of the body 52 and is disposed so as to surround the inner wall of the drainage guide member 70 and the outer wall of the siphon guide pipe 74 And a flow path 76 is formed.

The washing water flowing into the body 52 through the first drain pipe 30 is moved toward the rim of the body 52 after being collided with the drain guide member 70 and is lowered to the bottom of the body 52, And then descends along the siphon induction pipe 74 and the discharge port 61. The siphon guide pipe 74 and the siphon guide pipe 74 are connected to each other through the siphon guide pipe 74 and the siphon guide pipe 74,

The drainage is delayed while the washing water is discharged along the path as described above, so that the siphon pressure is applied to the first drain pipe 30.

The operation of the drum 50 washing machine according to an embodiment of the present invention will now be described.

When the user starts the washing operation after the laundry is stored in the drum 50, the washing water is supplied into the tub 130 along the water supply pipe 152 by the operation of the water supply valve 154.

At this time, the washing water supplied along the water supply pipe 152 is supplied to the tub 130 through the back panel 120, and the washing water passing through the back panel 120 is moved along the water supply pipe 152, (130) from the upper surface of the tub (120).

The wash water supplied through the water supply pipe 152 to the inside of the tub 130 through the back panel 120 is sprayed from the rear of the tub 130 to the front side.

The washing water sprayed from the back surface of the tub 130 is sprayed on the entire rear surface and the circumferential surface of the drum 156. Thus, the effect of washing the foreign substances remaining on the inner wall of the tub 130 and the outer wall of the drum 156 is exhibited. 11, Fig. 12)

When the supply of the washing water is completed, power is applied to the motor 182 so that the power is transmitted to the drum 156 along the rotating shaft 184 and the supporting table 186, and the washing operation proceeds.

After the laundry is set for the set time, the driving of the drum 156 is stopped and the drain valve 42 provided in the second drain pipe 40 is opened to discharge the washing water.

At this time, before the drain valve 42 is opened, a part of the washing water is already stored in the body 52 and the second drain pipe 40, and when the drain valve 42 is opened and the second drain pipe 40 is washed The suction pressure is generated by pulling the wash water stored in the body 52 through the discharge port 61, the siphon guide pipe 74 and the oil passage 76 as the water is discharged.

That is, as negative pressure (negative pressure) is generated in the body 52, a siphon pressure is applied to the washing water moving to the first water pipe 30 having a diameter smaller than the diameter of the second water pipe 40 So that the water pressure can be increased. This facilitates the discharge of bubbles and washing water remaining in the drum 156 or the tub 130.

As described above, unlike the conventional drainage device of the natural dropping type, the drainage device (30, 40, 50) of the present invention promotes drainage by using the principle of Siphon, Can be shortened.

FIG. 18 is an exploded perspective view illustrating a gasket mounting structure of a wall-mounted mini-drum washing machine according to another embodiment of the present invention, and FIG. 19 is a perspective view illustrating a gasket mounting structure of a wall- 20 is a sectional view showing a state in which a protruding gasket is inserted into a gasket of a wall-mounted mini-drums washer according to another embodiment of the present invention, and FIG. 21 is a sectional view of a wall-mounted mini-drum washing machine according to another embodiment of the present invention. In which a ring spring is added to a gasket of a gasket.

18 to 21, a gasket 116 of a wall-mounted mini-drums according to another embodiment of the present invention includes a door 314 coupled at one end to a tub 230 and installed at a front panel 312, And the other end is closely contacted.

Since the gasket 220 is made of a resilient material such as rubber and has a corrugated shape, the length of the gasket 220 varies in the process of generating the vibration of the tub 230.

A mounting hole 213 is formed at the front end of the tub 230 and a locking portion 214 is formed at the outer circumferential surface of the tub 230. [ The gasket 220 passes through the mounting hole 213 and is engaged with the engaging portion 214.

The latching part 214 according to an embodiment of the present invention is provided with a coupling protrusion 215 and a latching protrusion 216.

The engaging projections 215 protrude from the outer circumferential surface of the tub 230. The plurality of coupling protrusions 215 are disposed adjacent to the mounting hole 213 and the mounting holes 213 are disposed along the circumferential surface of the tub 230.

The engaging protrusion 216 may extend from the end of the engaging protrusion 215 in the opposite direction to the mounting hole 213 and the engaging portion 214 may be formed only by the engaging protrusion 215 except for the engaging protrusion 216. [

The gasket 220 according to an embodiment of the present invention is provided with a flexure body 221, a penetration body 222, and a coupling body 223.

The bending body 221 is bent to be caught by the bending portion 214 and the bending body 221 is bent to surround the bending portion 214. The end portion of the bending body 221 is in close contact with the coupling protrusion 215, 216).

The penetrator 222 is connected to the flexure 221 and passes through the mounting hole 213. This penetration member 222 is formed integrally with the bending member 221 and a separate sealing is added to the penetration member 222 to prevent leakage through the mounting hole 213.

The coupling body 223 is connected to the penetration body 222. The coupling member 223 is integrally formed with the penetration member 222 and is tightly attached to the door 314 to prevent washing water from being lost along the gap between the tub 230 and the door 314. [

The gasket 220 according to the present embodiment further includes a protruding body 224 which is coupled to the flexure body 221 and protruded laterally so as to be engaged with the tub 230.

At this time, the projecting body 224 is further joined to the flexure body 221, or is integrally formed with the flexure body 221 and contacts the outer surface of the tub 230.

The end portion of the bending body 221 inserted into the engagement portion 214 is formed in a U shape and the gasket 220 according to the present embodiment is further provided with a ring spring 225, Is inserted into the end portion of the bending body 221 passing through the mounting hole 213 to bring the bending body 221 into close contact with the circumferential surface of the tub 230. [

At this time, the ring spring 225 has a diameter corresponding to that of the tub 230 so as to surround the tub 230 and is expanded by an external force.

The end of the flexure body 221 is bent to be in close contact with the engagement protrusion 216, the coupling protrusion 215 and the tub 230 to form an installation space for inserting the ring spring 225.

Accordingly, it is possible to reduce the size and the number of components of the wall-mounted mini-drum washing machine by improving the shape of the cabinet, the connection structure of the tub, and the mounting structure of the driving unit, Type mini-drum washing machine.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

Also, although a wall-mounted mini-drum washing machine has been described as an example, the present invention is merely an example, and the drum washing machine of the present invention can be used in other products than the wall-mounted mini-drum washing machine.

Accordingly, the true scope of the present invention should be determined by the following claims.

30: first drain pipe 40: second drain pipe
42: drain valve 50: siphon drainage part
52: body 54: first body
55: inlet 56: first flange
58: first seating groove 60: second body
62: second flange 64: second seat groove
70: drainage inducing member 72: supporting member
74: Siphon guide tube 76: Euro
110: cabinet 112: front panel
114: door 116, 220: gasket
120: back panel 122: mounting groove
124: connecting portion 126: fastening hole portion
128: Cover 130:
132: seat groove portion 132a: rail
134: Bracket 134a:
134b: protrusion 136: front panel
136a: storage hole portion 138: connection hole portion
139: heater 150: water supply device
152: water supply pipe 154: water supply valve
156; Drum 180:
182: motor 184:
186: Support

Claims (9)

A rear panel provided with a water supply device for supplying wash water, a driving part for providing power required for washing operation, and a rear panel mounted on the wall, the front panel being opened to form a rear surface of a cabinet to which a door is installed;
A tub installed in the cabinet so as to be able to drain wash water in a cylindrical space, a tub integrally formed on the back panel and having a drum rotatably installed therein;
And a drainage unit connected to the front panel on which the door is installed to form an outer wall of the cabinet and coupled to the rear panel to surround the tub and to determine whether the washing water drained from the tub is drained, ; And
And a drain device for discharging washing water discharged from the tub to a lower side of the box part,
Wherein the drainage device comprises:
A first drain pipe provided at a lower portion of the tub to discharge wash water;
A second drain pipe disposed below the first drain pipe and having a diameter larger than the diameter of the first drain pipe; And
And a drain unit connected between the first drain pipe and the second drain pipe and transmitting the wash water discharged from the second drain pipe to the first drain pipe to promote drainage,
On the rear surface of the back panel,
A mounting recess portion formed concavely on the door side to form a space between the door and the wall surface so that the driving portion directly passed through the rear panel may be installed,
The driving unit includes:
A motor for providing power to the drum;
A rotating shaft rotatably installed in the mounting groove portion through the back panel to transmit power of the motor; And
And a support rod connected to the outer wall of the rear surface of the drum and connected to the rotation shaft and the drum.
delete The method according to claim 1,
The drainage section
A body having an inlet connected to the first drain pipe and an outlet connected to the second drain pipe and having a space in which wash water can be stored,
A drain guide member formed in a cap shape inside the body and having a space at a lower portion thereof; And
And a siphon guide pipe protruding upward from a bottom surface of the body so as to be discharged while descending along the discharge port after the wash water is moved upward and forming a flow path by maintaining a distance from the drain guide member, Mini Drum Washer.
4. The apparatus of claim 3,
A first body on which the inlet port is formed and on which a first flange is formed;
A second body having a second flange formed in contact with the first flange and having the outlet; And
And a fixing member for coupling the first flange and the second flange to each other.
5. The method of claim 4,
Wherein an O-ring for sealing is provided on a corresponding inner surface of the first flange and the second flange.
6. The method of claim 5,
Wherein the O-ring is installed in a first seating groove formed in the first flange and a second seating groove formed in the second flange.
The method of claim 3,
Wherein the water discharge guide member is supported by a plurality of support members provided between an inner surface of the body and an outer surface of the water discharge guide member.
The method of claim 3,
Wherein the siphon guide tube is formed on a bottom surface of the body and is connected to the discharge port and has an inner diameter equal to an inner diameter of the discharge port.
The method according to claim 3 or 4,
Wherein the siphon guide tube is protruded upward from a bottom surface of the body and the drain guide member is disposed to surround an upper portion of the siphon guide tube and a gap is formed between an inner wall of the drain guide member and an outer wall of the siphon guide tube So that the flow path is formed.

Images