KR101461388B1 - Wall mounted drum type washing machine - Google Patents

Abstract

The present invention relates to a wall-mounted type drum washing machine, and more particularly, to a wall-mounted drum washing machine, which comprises a rear panel mounted on a wall, a tub supported on the rear panel, A cover for covering the tub and the front panel, a water supply device for supplying washing water to the tub, and a drain for filtering the foreign substances contained in the washing water, And a drain device provided with a filter and installed on the wash water drainage path.

Description

{WALL MOUNTED DRUM TYPE WASHING MACHINE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wall-mounted drum washing machine, and more particularly, to a wall-mounted drum washing machine that can be used by mounting a drum washing machine on a wall.

A typical wall-mounted type drum washing machine includes a cabinet, a tub which is installed to be able to flow in the cabinet and is capable of washing water, And a drain device for discharging the wash water from the tub to the outside of the cabinet.

When the user starts the washing operation after the laundry is stored in the drum, the washing water is supplied to the tub and the drum by the operation of the water supply device, and the drum is rotated by the operation of the driving unit to start the washing operation.

After the washing operation is completed, the washing water that has been drained into the tub and the drum by the operation of the drainage device is discharged to the outside of the cabinet through the drainage device.

BACKGROUND ART [0002] The background art of the present invention is disclosed in Korean Registered Utility Model No. 20-0305578 (published on Feb. 26, 2003, entitled "Wall and Small Drum Washing Machine").

A wall-mounted drum washing machine capable of efficiently filtering foreign matter contained in washing water drained to the outside of a tub of a wall-mounted drum washing machine.

A wall-mounted drum washing machine according to an aspect of the present invention includes: a rear panel mounted on a wall; A tub supported on the rear panel, the tub being filled with wash water; A front panel having an opening formed therein and installed in the tub; A drum rotatably installed in the tub; A driving unit for supplying power to the drum; A cover installed on the rear panel and covering the tub and the front panel; A water supply device for supplying wash water to the tub; And a drain device provided on the wash water drain path with a drain filter for filtering foreign substances contained in the wash water.

In the present invention, the drain filter includes a filter main body installed to communicate with a drain port formed in the tub, and a lower portion opened to the outside of the cover; And a filter cap coupled to an opening portion of the lower portion of the filter body portion and having a filter portion for filtering foreign substances contained in the washing water passing through the inside of the filter body portion.

In the present invention, the filter main body portion may include a tub connecting portion connected to the tub and formed to communicate with the drain port, A central portion having a hollow shape and connected to a lower portion of the tub connection portion; An actuator mounting portion connected to one side portion of the center portion and having an end portion of the actuator inserted therein; A hose connection portion connected to the backside portion of the actuator mounting portion and adapted to open and close the connection portion with the actuator mounting portion by linear movement of the actuator end portion; And a cap coupling part having a downwardly opened shape and communicating with a lower part of the central part, the cap coupling part being assembled with the filter cap part.

In the present invention, the hose connection part is formed to protrude downward below the actuator mounting part so that the washing water does not remain in the lower part of the actuator mounting part.

The drainage device may further include a hose connection unit having one side connected to the hose connection part and the other side extended toward the back panel side and connected to the drain hose.

In the present invention, the hose connection unit may include an extension portion having one side portion connected to the hose connection portion and the other side portion extending toward the rear panel side; An exhaust pipe connection portion communicating with the extension portion and connected to an exhaust pipe for exhausting air inside the tub; And a drain hose connection portion connected to the rear end portion of the exhaust pipe connection portion and having a lower end portion connected to the drain hose with a downwardly curved shape.

In the present invention, the filter body portion is connected to the other side portion of the central portion, and an air trap extending to a pressure sensor provided on the upper side of the tub and forming a pressure chamber in which the air pressure is increased in proportion to the water level in the tub is coupled And an air trap connection portion.

In the present invention, the filter cap unit may include a main body coupling part coupled to the cap coupling part by a rotation operation and constituting a cap for blocking or opening the inside of the filter main body part.

In the present invention, the filter unit may include a filter unit, which is formed to protrude from a portion of the main body coupling unit that is in contact with the filter body unit, and that is inserted into the filter body unit and filters foreign substances contained in the wash water passing through the filter body unit. ; And

In the present invention, the filter unit is characterized in that it has a shape of a filter screen capable of hanging foreign matter.

According to the present invention, it is possible to efficiently filter the foreign substances contained in the washing water drained to the outside of the tub by using the drain filter, and to easily remove the foreign matter collected inside the drain filter.

1 is a perspective view of a wall-mounted type drum washing machine according to an embodiment of the present invention, viewed from above.
FIG. 2 is a perspective view of a wall-mounted drum washing machine according to an embodiment of the present invention, as viewed from the lower front. FIG.
FIG. 3 is a perspective view illustrating a wall-mounted drum washing machine according to an embodiment of the present invention, viewed from the rear side.
4 is an exploded perspective view illustrating a wall-mounted drum washing machine according to an embodiment of the present invention.
5 is a rear view illustrating a wall-mounted drum washing machine according to an embodiment of the present invention.
6 is a perspective view illustrating an installation state of a drainage device of a wall-mounted type drum washing machine according to an embodiment of the present invention.
7 is a perspective view illustrating a drainage device of a wall-mounted type drum washing machine according to an embodiment of the present invention.
8 is a perspective view illustrating a drainage device of a wall-mounted type drum washing machine according to an embodiment of the present invention.
FIG. 9 is a cross-sectional view illustrating a drainage device of a wall-mounted type drum washing machine according to an embodiment of the present invention, taken along the line AA in FIG.
10 is a sectional view showing a drainage device of a wall-mounted type drum washing machine according to an embodiment of the present invention on a BB line section in FIG.
FIG. 11 is a bottom view of a filter main body of a wall-mounted type drum washing machine according to an embodiment of the present invention.
12 is a perspective view illustrating a filter body portion of a wall-mounted type drum washing machine according to an embodiment of the present invention, viewed from a lower left side thereof.
FIG. 13 is a perspective view illustrating a filter body portion of a wall-mounted drum type washing machine according to an embodiment of the present invention, viewed from the lower right.
FIG. 14 is a perspective view illustrating a filter cap part of a wall-mounted type drum washing machine according to an embodiment of the present invention, viewed from the upper left.
FIG. 15 is a perspective view illustrating a filter cap portion of a wall-mounted type drum washing machine according to an embodiment of the present invention. FIG.
16 is a perspective view showing a filter cap portion of a wall-mounted type drum washing machine according to an embodiment of the present invention from below.
17 is a plan view showing a filter cap part of a wall-mounted type drum washing machine according to an embodiment of the present invention.
18 is a bottom view illustrating a filter cap portion of a wall-mounted drum washing machine according to an embodiment of the present invention.

Hereinafter, a wall-mounted drum washing machine according to the present invention will be described in detail 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.

FIGS. 1, 2, and 3 are perspective views illustrating a wall-mounted type drum washing machine according to an embodiment of the present invention, respectively, from a front side, a front side and a rear side. FIGS. Fig. 2 is a rear elevational view of a drum type washing machine according to a first embodiment of the present invention; Fig.

FIG. 6 is a perspective view illustrating an installation state of a drainage device of a wall-mounted type drum washing machine according to an embodiment of the present invention, and FIGS. 7 and 8 are views, respectively, Fig. 3 is a perspective view showing the device from above and below. Fig.

9 and 10 are cross-sectional views showing a drainage device of a wall-mounted type drum washing machine according to an embodiment of the present invention on the line A-A and B-B in FIG. 7, respectively.

FIG. 11 is a bottom view of a filter main body of a wall-mounted type drum washing machine according to an embodiment of the present invention. FIGS. 12, 13, Lower right, lower left, and upper left.

15 and 16 are perspective views illustrating the filter cap portion of the wall-mounted drum type washing machine according to the embodiment of the present invention, respectively, from the upper right side and the lower side. Figs. 17 and 18 are respectively a perspective view And a bottom view showing the filter cap portion of the drum washing machine.

1 to 5, a wall-mounted drum washing machine according to an embodiment of the present invention includes a rear panel 210, a tub 220, a drum 240, a driving unit 250, a front panel 230, 260, a water supply device 270, a drainage device 300, and an exhaust device 290.

The back panel 210 is fixed to the wall body 10 with a panel shape.

In an embodiment of the present invention, the back panel 210 has a rectangular panel shape having curved portions at corners, but is not limited thereto. The rear panel 210 may be circular or elliptical.

The back panel 210 includes a panel portion 211, a rim portion 212, and a rib portion 213.

The panel portion 211 has a panel shape extending in parallel with the wall 10.

The rim portion 212 is formed to protrude from the edge of the panel portion 211 to the wall side and a space portion is formed between the panel portion 211 and the wall 10 by the rim portion 212.

The rib portion 213 includes a plurality of ribs formed on the back surface portion of the panel portion 211 on the space portion formed between the panel portion 211 and the wall body 10.

The rear panel 210 is reinforced in strength by the rib portion 213, so that it is prevented from being deformed or broken by the vibration generated by the rotation of the drum 240.

A through hole 215 is formed in the back panel 210 to receive a fixing anchor coupled to the wall 10 and a buffer member 217 is interposed between the through hole 215 and the wall 10.

The tub 220 is supported on the back panel 210, and the wash water is desiccated.

In an embodiment of the present invention, the tub 220 has a cylindrical shape and is integrally connected to the front portion of the rear panel 210 and protrudes forward from the front portion of the rear panel 210.

A drain port 226 is formed in the lower portion of the tub 220 and the washing water in the tub 220 is discharged to the outside of the tub 220 through the drain port 226.

The drum 240 has a cylindrical shape and is rotatably installed inside the tub 220, and laundry is stored therein.

The driving shaft 243 of the drum 240 is rotatably installed on the rear panel 210 and is connected to the driving unit 250 installed on the rear surface of the rear panel 210 through the panel unit 211.

The driving unit 250 provides power to the drum 240.

The driving unit 250 according to an embodiment of the present invention includes a motor, a driving wheel 253, and a belt 255.

The motor is installed on the front portion of the rear panel 210 and the rotation axis 252 of the motor extends through the rear panel 210 to the rear side of the rear panel 210.

The drive wheel 253 is rotatably installed on the rear portion of the panel portion 211 on the space formed behind the panel portion 211 and connected to the drive shaft 243 of the drum 240.

Belt 255 transfers the power of the motor to drive wheel 253.

One side of the belt 255 is wound around the rotation axis 252 of the motor and connected to the other side of the belt 255 by being wound around the driving wheel 253.

The motor is driven and the rotating force of the motor is transmitted to the driving wheel 253 by the belt 255 and the drum 240 connected to the driving wheel 253 is rotated together to perform the washing operation.

The front panel 230 has an opening 232 at a position corresponding to the opening of the tub 220 and is installed at a front portion of the tub 220.

A control portion 233 is provided at a lower portion of the front panel 230 and a detergent container mounting hole portion 235 and a softener container mounting hole portion 237 are provided at an upper portion thereof.

The control unit 233 is connected to an operation unit 264 formed on the cover unit 263 of the cover 260 so as to control water supply, drainage, dehydration, rotation of the drum 240, etc. according to the operation of the operation unit 264 do.

The cover 260 is installed on the rear panel 210 and covers the tub 220 and the front panel 230 to provide an appearance of the wall-mounted drum washing machine according to the present invention.

The cover 260 according to an embodiment of the present invention includes a box portion 261 and a cover portion 263.

The box portion 261 is installed on the rear panel 210 and covers the periphery of the tub 220. [

The cover part 263 is coupled to the front part of the box part 261 and covers the front panel 230 and a door 265 is provided at a position corresponding to the opening part 232.

An operation portion 264 is formed below the cover portion 263 and has an operation button, a numeric display device, and the like and is connected to the control portion 233.

The detergent container 266a and the softener container 266b penetrate the upper portion of the cover portion 263 and are fitted to the detergent container mounting hole portion 235 and the softener container mounting hole portion 237.

The detergent container 266a and the softener container 266b can be coupled to the cover portion 263 or separated from the cover portion 263 by rotating the cover 263 and the cover portion 263, And can be pulled out to the outside or into the inside of the front panel 230.

The water supply device 270 is coupled to the upper part of the rear panel 210 and supplies wash water into the tub 220.

The water supply device 270 according to an embodiment of the present invention includes a water supply valve 272 and a water supply pipe (not shown).

The water supply valve 272 controls the flow rate of the wash water supplied into the tub 220 through the water supply pipe.

One side of the water supply valve 272 is connected to the upper part of the back panel 210 and connected to the water supply pipe. The other side of the water supply valve 272 is connected to the tub 220 to supply the washing water supplied through the water supply pipe into the tub 220.

The water supply pipe is inserted into the rim 212 from the water supply source outside the wall-mounted drum washing machine and extends to the upper portion of the rear panel 210 to be connected to the water supply valve 272.

The drainage device 300 drains the washing water discharged from the tub 220 to the outside of the wall-mounted drum washing machine according to the present invention, more specifically to the outside of the cover 260 or the rear panel 210.

The drainage device 300 is installed on the wash water drainage path with a drainage filter 300a that filters the foreign substances contained in the wash water and opens the inside by the attachment and detachment of the filter cap part 330. [

The drainage device 300 according to an embodiment of the present invention includes a drainage filter 300a, an actuator 300b, and a drainage hose 300c.

The drainage filter 300a is connected to the lower part of the tub 220 to be connected to the drain port 226 and the rear end toward the rear panel 210 is connected to the drain hose 300c.

The drain filter 300a filters the foreign substances contained in the washing water discharged to the outside of the tub 220 and flowing toward the drain hose 300c.

The actuator 300b adjusts the drainage state of the wash water while opening and closing the flow path inside the drain filter 300a.

The drainage hose 300c is connected to the drain filter 300a and extends to the outside of the wall-mounted drum washing machine according to the embodiment of the present invention through the rear panel 210. [

The exhaust device 290 constitutes a flow path through which air can flow into and out of the tub 220.

When the wash water is supplied into the tub 220 through the water supply device 270, the air filled in the tub 220 is discharged to the outside of the tub 220 by a volume equal to the amount of wash water supplied by the exhaust device 290 .

When the washing water in the tub 220 is discharged through the drainage device 300, the air outside the tub 220 flows into the tub 220 by a volume equal to the amount of washing water discharged by the exhaust device 290.

Bubbles generated inside the tub 220 by the detergent introduced into the tub 220 are also discharged to the outside of the tub 220 by the exhaust device 290.

The exhaust device 290 is connected to the drainage device 300 so that the foam introduced from the tub 220 is discharged to the outside through the drainage device 300.

The exhaust device 290 according to an embodiment of the present invention includes an air outlet 291, a foam outlet pipe 292, and an exhaust pipe 293.

The air outlet 291 is formed in the upper part of the rear panel 210 and communicates with the inside of the tub 220.

The bubbles generated over the height of the air discharge port 291 are discharged to the outside of the tub 220 through the air discharge port 291.

The foam discharge pipe 292 connects the air discharge port 291 to the drain filter 300a or the drainage hose 300c.

One end of the foam discharge pipe 292 is connected to the air discharge port 291 and the other end extends downward and connected to the drain filter 300a or the drainage hose 300c.

The foam that has flowed into the air outlet 291 flows toward the drain hose 300c through the foam discharge pipe 292 and is discharged to the outside of the rear panel 210 through the drain hose 300c.

The exhaust pipe 293 is connected to the foam discharge pipe 292 above the connection part of the drainage device 300.

7 to 10, a drain filter 300a according to an embodiment of the present invention includes a filter body 310, a hose connecting unit 320, a filter cap 330, and a fixing unit 340 And is installed under the tub 200 as shown in FIG.

The filter main body 310 is provided to communicate with a drain port 226 (see FIG. 4) formed in the tub 220 and forms a flow path for draining wash water to the outside of the rear panel 210 or the cover 260.

The filter body 310 is installed to open to the outside of the cover 260. The inside of the filter body 310 is opened or closed according to whether the filter cap 330 is assembled.

The filter cap portion 330 is coupled to an opening portion of the lower portion of the filter body portion 310 and includes a filter portion 338 for filtering the foreign substances contained in the washing water passing through the filter body portion 310.

11 to 13, the filter main body 310 according to an embodiment of the present invention includes a tub connecting portion 311, a central portion 312, an actuator mounting portion 313, a hose connecting portion 314, A coupling portion 315, and a cap coupling portion 316.

The tub connecting portion 311, the central portion 312, the actuator mounting portion 313 and the hose connecting portion 314 form a stable flow path for draining the washing water inside the tub 220 to the outside of the back panel 210.

The tub connection portion 311 is connected to the tub 220 and is formed to communicate with the drain port 226.

The central portion 312 has a hollow shape and is connected to the lower portion of the tub connection portion 311.

A plurality of ribs 312a contacting the filter portion 338 of the filter cap 330 when the filter cap 330 is assembled to the filter body 310 are formed along the inner surface of the central portion 312.

When the filter cap part 330 is assembled to the filter body part 310, the filter cap part 330 is inserted into the filter body part 310 in a direction in which the user does not fit (for example, in the direction opposite to the direction shown in Figs. 8 and 18) The filter portion 338 of the filter cap portion 330 can be stably positioned at the assembly position (for example, as shown in Figs. 8 and 18) without being tilted in contact with the rib portion 312a, Direction and position).

The actuator mounting portion 313 is connected to one side portion of the center portion 312 and the end portion of the actuator 300b is inserted therein.

The hose connecting portion 314 is connected to the backside portion of the actuator mounting portion 313 and is connected to the actuator mounting portion 313 by a linear movement of the end portion of the actuator 300b inserted into the hose connecting portion 314, ) Is opened and closed.

The hose connecting part 314 is formed to protrude downward from the lower portion of the actuator mounting part 313 so that the washing water does not remain in the lower part of the actuator mounting part 313.

The washing water flowing into the actuator mounting portion 313 flows downward to the lower side of the actuator mounting portion 313 and flows into the hose connecting portion 314 side to prevent the generation of residual water in the lower portion of the actuator mounting portion 313. [

The air trap connection portion 315 is formed to communicate with the other side portion of the center portion 312 and extends to a pressure sensor 361 (see FIG. 6) provided on the upper side of the tub 220, An air trap 362 constituting a pressure chamber in which the air pressure is raised is engaged.

The cap coupling portion 316 has a downwardly opened shape and communicates with the lower portion of the central portion 312, and the filter cap portion 330 is assembled.

11 to 13, the cap engaging portion 316 includes a groove portion 317, a guide jaw portion 318, and an assembling protrusion portion 319. As shown in Fig.

The groove portion 317 includes a flange portion 317a contacting the one surface of the filter cap portion 330 and a rim portion 317b formed to protrude downward around the flange portion 317a and in contact with the outer surface portion of the filter cap portion 330 do.

The main body coupling portion 331 of the filter cap portion 330 is inserted into the groove portion 317 and the flange portion 317a and the rim portion 317b are inserted into the groove portion 317, .

And the fastening portions 332 and 333 formed on the filter cap portion 330 are formed in a slit 318a which is moved and inserted in a circular locus so as to protrude inward from the groove portion 317 of the guide step 318. [

The assembling protrusion 319 is formed to protrude from one side of the spacing space portion formed between the pair of guide tabs 318 arranged to face each other.

7, 8 and 10, the hose connecting unit 320 according to an embodiment of the present invention includes an extension portion 321, an exhaust pipe connecting portion 322, and a drain hose connecting portion 323.

The hose connection unit 320 is connected to the foam discharge pipe 292 of the exhaust unit 290 so as to allow the wash water on the filter body unit 310 side to flow stably to the drain hose 300c side .

One side of the hose connection unit 320 is connected to the hose connection unit 314 and the other side extends to the side of the rear panel 210 and connected to the drain hose 300c.

One end of the extension portion 321 is connected to the hose connection portion 314 and the other side extends to the rear panel 210 side.

The exhaust pipe connection portion 322 is connected to the exhaust unit 290 which is connected to the extension portion 321 and has a shape of a ⊥ 'shape and discharges the air inside the tub 220.

The drain hose connection portion 323 has a downwardly bent shape and is connected to the rear end portion of the exhaust pipe connection portion 322 and has a lower end connected to the drain hose 300c.

14 to 18, the filter cap portion 330 includes a main body coupling portion 331, an operating portion 335, and a filter portion 338. [

The main body coupling portion 331 is engaged with the cap coupling portion 316 by a rotation operation and forms a cap for blocking or opening the inside of the filter main body portion 310.

The main body coupling portion 331 includes coupling portions 332 and 333 including a first coupling portion 332 and a second coupling portion 333 and an inner groove portion 334.

The first fastening portion 332 is formed to extend along the outer surface portion of the filter cap portion 330 and is inserted between the guide chuck portion 318 and the assembling projection portion 319 and is fitted to one side of the pair of guide chuck portions 318 .

The second fastening portion 333 is disposed opposite to the first fastening portion 332 with a width larger than the width between the guide chuck portion 318 and the assembling projection 319 and is fitted to the other side of the guide chuck portion 318 .

17, the first fastening portion 332 has a width of x, and the second fastening portion 333 has a width of y (> x).

When the filter cap part 330 is assembled to the cap engaging part 316, the width between the guide step part 318 and the assembling protruding part 319 through which the first engaging part 332 is inserted from the lower side is larger than x , is smaller than y.

The first fastening portion 332 can be inserted between the guide tab 318 and the assembling protrusion 319 while the second fastening portion 333 can be inserted between the guide tab 318 and the assembling protrusion 319 none.

The user easily assembles the filter cap part 330 onto the filter body part 310 by simply rotating the first fastening part 332 between the guide step 318 and the assembling protrusion 319 and rotating the filter body part clockwise .

The user can insert the second fastening part 333 between the guide step 318 and the assembling projection 319 to erroneously assemble the second fastening part 333 or to prevent the inconvenience of checking the assembled state of the filter cap part 330 have.

The inner groove portion 334 is formed on one side portion of the filter body portion 310 that is in contact with the filter body portion 310 and forms a concave receiving portion for containing foreign matters filtered by the filter portion 338.

The manipulation unit 335 includes a depression groove 336 formed at the lower portion exposed to the outside of the cover 260 to be concaved upward and a handle 337 formed to protrude into the recessed groove 336.

The foreign matter filtered by the filter portion 338 is moved into the inner groove portion 334 located under the filter portion 338 by gravity and is contained and stacked.

The filter unit 338 filters the foreign substances contained in the washing water passing through the filter body unit 310.

The filter unit 338 protrudes from a portion of the main body coupling unit 331 which is in contact with the filter main body 310 and is inserted into the central portion 312 of the filter main body 310, Of the wash water flow path.

The filter unit 338 is located at a boundary between the center part 312 and the actuator mounting part 313 and filters the foreign substances contained in the washing water flowing toward the actuator mounting part 313 side from the center part 312 side.

In an embodiment of the present invention, the filter unit 338 has a sieve-like mesh or a lattice-like shape capable of hanging foreign matter, but the present invention is not limited thereto.

When the filter portion 338 has a through hole portion having a width smaller than the connecting portion (connecting passage) between the central portion 312 and the actuator mounting portion 313, it is possible to filter coins, buttons and the like having a width larger than the through hole portion.

That is, the filter unit 338 is not limited to a particular structure and shape as long as it is capable of filtering foreign substances such as coins, buttons, and wash water scum.

If the filter portion 338 is formed to have a curved surface corresponding to the inner surface portion of the central portion 312, it is possible to prevent the foreign matter from being pinched between the gap between the central portion 312 and the actuator mounting portion 313 Foreign matter filtering by the filter unit 338 can be stably realized without inhibiting the flow of water.

8, the fixing portion 340 is a portion for fixing the filter cap portion 330 to the filter main body portion 310 by using the fastening member 350. The cap cap fixing portion 341 and the main body fixing portion 344, .

15 to 18, the main body fixing portion 344 is formed to protrude from the outer surface of the filter cap portion 330, and a hole portion 344a through which the coupling member 350 passes is formed.

12 and 13, the cap holder 341 is formed on the filter body 310 and forms a moving space 342 which is movable in a circular path with the body fixing part 344 inserted therein .

The assembly portion 343 having the fixing hole portion 343a to which the fastening member 350 can be fastened is formed at a position corresponding to the hole portion 344a of the cap stone fixing portion 341. [

The fastening member 350 is fastened through the hole 344a and the fixing hole 343a and fixes the filter cap 330 to the filter body 310. [

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 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 for products other than the wall-mounted drum washing machine. Accordingly, the true scope of protection of the present invention should be defined by the following claims.

210: rear panel 220: tub
226: Drain hole 240: Drum
250: driving part 230: front panel
260: Cover 270: Water supply device
290: Exhaust system 300: Drain system
300a: Drain filter 300b: Actuator
300c: drain hose 310: filter main body part
311: tub connection 312:
312a: rib portion 313: actuator mounting portion
314: Hose connection part 315: Air trap connection part
316: cap coupling portion 317:
317a: flange portion 317b: rim portion
318: guide jaw 318a: slit
319: Assembly protrusion 320: Hose connection unit
321: extension part 322: exhaust pipe connection part
323: drain hose connection part 330: filter cap part
331: main body coupling portion 332: first coupling portion
333: second fastening portion 334: inner groove portion
335: Operation part 336:
337: Handle portion 338: Filter portion
340: Fixing unit 341:
342: moving space part 343:
343a: fixed hole portion 344:
344a: hole part 350: fastening member

Claims (10)

A back panel mounted to the wall;
A tub supported on the rear panel, the tub being filled with wash water;
A front panel having an opening formed therein and installed in the tub;
A drum rotatably installed in the tub;
A driving unit for supplying power to the drum;
A cover installed on the rear panel and covering the tub and the front panel;
A water supply device for supplying wash water to the tub; And
And a drain device provided on the wash water drain path with a drain filter for filtering foreign substances contained in the wash water,
The drain filter
A filter main body installed to communicate with a drain port formed in the tub and installed with its lower portion opened to the outside of the cover; And
And a filter cap coupled to an opening portion of the lower portion of the filter body portion and having a filter portion for filtering foreign substances contained in the washing water passing through the inside of the filter body portion,
The filter body portion
A tub connecting portion connected to the tub and formed to communicate with the drain port;
A central portion having a hollow shape and connected to a lower portion of the tub connection portion;
An actuator mounting portion connected to one side portion of the center portion and having an end portion of the actuator inserted therein;
A hose connection portion connected to the backside portion of the actuator mounting portion and adapted to open and close the connection portion with the actuator mounting portion by linear movement of the actuator end portion; And
And a cap coupling part having a downwardly opened shape and communicating with a lower part of the central part, wherein the filter cap part is assembled to the drum coupling part.
delete delete The method according to claim 1,
The hose connection part
And the washing water is formed to protrude downward from the lower portion of the actuator mounting portion so as not to remain on the lower portion of the actuator mounting portion.
The method according to claim 1,
Wherein the drainage device comprises:
Further comprising a hose connection unit having one side connected to the hose connection part and the other side extended to the back panel side and connected to the drain hose.
6. The method of claim 5,
The hose connection unit includes:
An extension portion having one side portion connected to the hose connection portion and the other side portion extending toward the rear panel side;
An exhaust pipe connection portion communicating with the extension portion and connected to an exhaust device for exhausting air inside the tub; And
And a drain hose connection part connected to the rear end of the exhaust pipe connection part and having a lower end connected to the drainage hose, the drainage hose connection part having a downwardly bent shape and connected to the rear end part of the exhaust pipe connection part.
The method according to claim 1,
The filter body portion
And an air trap connection portion formed to communicate with the other side portion of the central portion and connected to an air trap extending to a pressure sensor provided on the upper side of the tub and forming a pressure chamber in which the air pressure is increased in proportion to a water level in the tub, Wherein said drum-type washing machine is a drum type washing machine.
The method according to claim 1,
The filter cap unit includes:
And a main body coupling part coupled to the cap coupling part by a rotation operation and constituting a cap for blocking or opening the inside of the filter main body part.
9. The method of claim 8,
The filter unit includes:
Wherein the main body coupling part is formed to protrude from a portion of the main body coupling part that contacts the filter main body part and filters foreign matter contained in the washing water passing through the filter main body part inserted into the filter main body part.
10. The method according to any one of claims 1, 8, and 9,
Wherein the filter unit has a filter net shape.

Images