KR20180136106A - Wall mounted washing machine and device for opening and closing door thereof - Google Patents

Abstract

The present invention relates to a wall mounted washing machine for maximizing user convenience in opening and closing of a door and a door opening and closing device thereof, comprising: a cabinet opened at the front surface and the rear surface, and forming an external appearance thereof; a tub arranged in the cabinet, and desalinating washing water; a front panel installed in the tub; a drum rotatably installed in the tub; a cover installed in the front panel, and provided with a door hinge; a door rotatably coupled to the door hinge and provided with a door glass; and an electronic opening and closing type door opening and closing device for locking or unlocking the door to and from the cover.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a wall-mounted washing machine and a door opening /

The present invention relates to a wall-mounted type washing machine and its door opening / closing device.

A washing machine is a device for separating contaminants from washing cloths by using washing water and detergents. It separates contaminants from washing cloths by chemical action by detergent dissolved in washing water and mechanical action of washing water and inner basket can do. Such a washing machine may be divided into a top loading type washing machine, a front loading type washing machine, a combined type washing machine combined with a top loading type and a front loading type, depending on the method of loading laundry.

Recently, a wall-mounted washing machine that can be installed in a narrow space such as a bathroom or a toilet has been introduced. In general, a wall-mounted washing machine adopts a front loading method for miniaturization.

For example, a wall-mounted type washing machine includes a cabinet forming an outer appearance, a tub provided inside the cabinet for filling the washing water, a drum rotatably installed inside the tub and accommodating the laundry, a driving unit for supplying power to the drum, A water supply device for supplying wash water to the tub, and a drain device for discharging the wash water from the tub to the outside of the cabinet.

The wall-mounted type washing machine according to the related art has a separate handle or handle, which causes the user to open and close the door by applying a large force, which is inconvenient for opening and closing the door, and the handle or handle may be damaged due to repetitive load .

Patent Literature: Korean Patent No. 10-1461388 (Registered on Nov. 11, 2014)

The present invention has been made in order to solve the above problems and it is an object of the present invention to provide a door opening and closing apparatus of an electronic opening and closing type system which can easily open a door, And a door opening / closing device for the door.

According to an aspect of the present invention, there is provided a cabinet comprising: a cabinet having front and rear surfaces opened and forming an appearance; A tub disposed inside the cabinet, the tub being filled with wash water; A front panel installed on the tub; A drum rotatably installed in the tub; A cover provided on the front panel and having a door hinge; A door rotatably coupled to the door hinge and having a door glass; And a door opening / closing device of an electronic opening and closing type for locking or unlocking the door to the cover.

The door opening / closing device may further include: a door locking part provided on the door and protruding toward the cover; A door locking unit provided on the cover and coupled to the door locking unit to lock the door locking unit; And a door opening unit installed on the door with respect to a position spaced apart from the door locking unit and generating a force required to open the door, wherein the door lock unit is disposed in the cabinet, And the door locking unit can release the locking of the door locking portion in response to the operation control event of the control unit.

The door further includes a door inner frame disposed to face the cover and having a plurality of bolt holes and a stem penetrating hole formed therein; And a door outer frame coupled to the door inner frame through a bolt corresponding to the bolt hole.

Wherein the door outer frame includes a plurality of bolt fixing parts spaced apart from each other in the circumferential direction on an inner surface of the door outer frame so that bolts inserted in the bolt holes are engaged; And a door opening button disposed on the door outer frame with respect to a position not interfering with the bolt fixing portion.

Further, the door opening button includes a button extending portion protruding from the center of the inner side portion of the door opening button toward the inner side surface of the door inner frame.

The door inner frame includes an opening button circuit portion provided on an inner surface of the door inner frame to be in contact with an end of the button extending portion.

In addition, the opening button circuit portion may be installed at a position spaced downward from the stem through hole formed in the door inner frame.

Further, the open button circuit portion may include a contact switch which contacts the end of the button extension portion; A switch circuit board portion for inputting a locking release signal of the door to the control unit of the washing machine in accordance with the ON or OFF operation of the contact switch; And a cable for electrically connecting the board unit for the switch circuit and the control unit.

According to another aspect of the present invention, there is provided a cabinet comprising: a cabinet having a front surface and a rear surface opened and forming an appearance; A rear panel coupled to the cabinet and mounted on the wall; A control unit disposed on a front surface of the rear panel with respect to an inside of the cabinet; A front panel installed on the tub; A cover provided on the front panel and having a door hinge on one side and a door locking unit on the other side; A door rotatably coupled to the door hinge; And a door opening unit installed on the door and rotated together with the door to be compressed upon contact with the cover to store the elastic force.

Further, the door may include a door inner frame having a door locking part coupled to the door locking unit, and a stem penetrating hole formed at a position spaced apart from the door locking part; And a door outer frame coupled to the door inner frame and serving as a support base of the door opening unit.

The door opening unit includes a pusher stem assembly elastically supported on an inner surface of the door outer frame and fitted in a stem through hole of the door inner frame so as to be able to contact the cover; And a guide structure integrally formed on an inner surface of the door outer frame to guide movement of the pusher stem assembly.

The pusher stem assembly is supported and guided by the guide structure and acts on the cover to store the elastic force. When the locking is released between the door locking unit and the door lock unit, Along with the door.

According to another aspect of the present invention, there is provided a cabinet comprising: a cabinet having a front surface and a rear surface opened and forming an external appearance; a cover connected to the cover connection portion of the cabinet, having a door hinge at one side thereof, A door opening and closing apparatus for a wall-mounted type washing machine, comprising a door locking unit coupled to the door locking unit and including a door incorporated into a door inner frame and a door outer frame, the door locking and unlocking apparatus comprising: And a door opening unit for compressing the door when it is contacted with the cover to store the elastic force and reverse the door by the stored elastic force.

The door opening unit may include a pusher stem assembly extending toward the cover through the stem penetrating hole formed in the door inner frame or being compressed upon contact with the cover; And a guide structure integrally formed on an inner surface of the door outer frame to be coupled to the pusher stem assembly.

Wherein the pusher stem assembly includes: a cushion contacting the cover in response to rotation of the door; A hollow stem provided with the cushion; And a spring inserted into the stem and compressed or relaxed along the longitudinal direction of the stem.

Wherein the cushion comprises: a hemispherical contact portion which contacts the cover to absorb impact and has a bulged front surface; A cushion extension shaft portion protruding from the center of the rear surface of the contact portion so as to have a smaller diameter than the contact portion; And a cushion fixing part formed at an end of the cushion extension shaft part and fixed by being caught by the rim of the installation hole of the stem.

The stem includes a cushion insertion portion formed at one side of the stem with respect to the installation hole and having a plurality of support protrusions for supporting the cushion; A hollow spring insertion portion extending integrally along the longitudinal direction of the stem from the cushion inserting portion and disposed on the other side of the stem with respect to the installation hole; And a plurality of locking protrusions that are mutually oppositely protruded from the outer circumferential surface of the spring insertion portion along the radial direction.

The guide structure may include a spring support portion formed on an inner surface of the door outer frame so as to coincide with a center line of the stem through-hole, the spring support portion supporting an end of the spring; A hollow guide body formed on an inner surface of the door outer frame with respect to an outer position of the spring support portion and having the stem inserted therein; And a guide slit coupled to the stem of the stem and configured to guide the movement of the stem, the guide slit being formed on a wall of the guide body.

The guide structure may include a stop formed between the guide slit and an end of the guide body.

The guide structure may include a plurality of sliding protrusions spaced from each other in the circumferential direction on the inner circumferential surface of the guide body and extending in the longitudinal direction of the guide body.

According to the wall-mounted type washing machine and the door opening / closing apparatus thereof according to the embodiments of the present invention, a separate handle for opening and closing the door can be removed.

In addition, since the locking of the door lock unit and the door opening can be easily performed by only the operation of the door opening button, there is an advantage that the convenience of the user due to opening and closing of the door can be maximized.

Further, there is an advantage that the door can be opened easily by the electronic opening / closing method.

Further, there is an advantage that the door can be opened and closed by the door opening unit protruded when the door is unlocked.

Further, there is an advantage that the door can be opened quickly by utilizing the resultant force of the elastic force of the door opening unit and the elastic force of the door gasket.

Further, when the power failure or the control unit fails, there is an advantage that the door can be opened by unlocking the door lock unit manually.

1 is a perspective view showing the appearance of a wall-mounted type washing machine according to an embodiment of the present invention.
FIG. 2 is a view showing a state in which the door of FIG. 1 is opened.
3 is a rear perspective view of the washing machine of FIG.
4 is an exploded perspective view of the washing machine of FIG.
Fig. 5 is an exploded perspective view of a door for explaining a door opening / closing apparatus mounted on the door of Fig. 2;
6 is a front view of the cushion of the door opening unit shown in Fig.
7 is a perspective view of the stem of the door opening unit shown in Fig.
8 is a front view of the stem shown in Fig.
9 is a cross-sectional view taken along line AA of the stem shown in FIG.
10 is a perspective view of the guide structure of the door opening unit shown in Fig.
11 is a sectional view showing the assembled state of the door opening unit shown in Fig.
12 is a sectional view showing the operating state of the door opening unit shown in Fig.
13 is an exploded perspective view of the cover and the door lock unit shown in Fig.
14 is a rear view of the cover shown in Fig.

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

In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

FIG. 1 is a perspective view showing the appearance of a wall-mounted type washing machine according to an embodiment of the present invention, FIG. 2 is a view showing a state in which the door of FIG. 1 is opened, FIG. 3 is a rear perspective view of the washing machine of FIG. 1, 4 is an exploded perspective view of the washing machine of Fig.

1 to 4, a wall-mounted type washing machine 10 according to an embodiment of the present invention includes a cabinet 100 having an open front and a rear and forming an outer appearance, a cabinet 100 disposed at one side of the cabinet 100, A cover 300 connected to the door 200 so as to open and close the door 200 and a front panel 300 disposed on the rear surface of the cover 300, A detergent case 500 accommodated in one side of the front panel 400 and containing a detergent and a softener, a drum 600 in which laundry is stored, a tub 700 And a rear panel 800 mounted on the wall. In this case, the rear surface means a surface close to the wall, and the front surface means a surface opposite to the rear surface.

Specifically, the cabinet 100 can be provided in an empty form and includes a power button 102 capable of controlling power, a cover connecting portion 104 connected to the cover 300, a rear panel 800, And a rear panel connecting portion 106 connected to the rear panel connecting portion.

The power button 102 is provided on one side of the cabinet 100 and can control whether the washing machine 10 is turned on or off. The power button 102 may be provided on one side of the front surface of the cabinet 100 so that the user can easily control the power button 102. In the present embodiment, the power button 102 is provided on the lower front side of the cabinet 100. However, the position of the power button 102 is not limited to this, and may be provided, for example, on the front left side or the right side of the cabinet 100. [

The cabinet 100 may include a cover connection portion 104 connected to the cover 300. The cover connection portion 104 may correspond to an open front edge of the cabinet 100 and may have a diameter smaller than the diameter of the cover 300 so that the cover 300 is not separated from the cabinet 100. Specifically, the cover 300 can be fitted in the cabinet 100 from the rear side to the front side. At this time, since the diameter of the cover connecting portion 104 is smaller than the diameter of the cover 300, the cover 300 can be fitted to the cover connecting portion 104, It may not be separated.

The cabinet 100 may include a rear panel connection part 106 connected to the rear panel 800. The rear panel connecting portion 106 may correspond to the open rear edge of the cabinet 100 and may be provided to correspond to the shape of the rear panel 800. [ The cabinet 100 may be bolted to the rear panel 800. For this purpose, a plurality of bolt fastening holes may be formed in the rear panel connecting portion 106. [

Meanwhile, the door 200 may be provided on the front surface of the cabinet 100. The door 200 is provided for loading and unloading laundry, and may include a door inner frame 230 and a door outer frame 240. Specifically, the door inner frame 230 and the door outer frame 240 may be bolted to have a predetermined space therebetween, and may be provided in a circular shape having a diameter corresponding to the cover connecting portion 104. At this time, the door inner frame 230 may be in contact with the cover connecting portion 104, and the door inner frame 230 and the door outer frame 240 may completely shield the cover 300 connected to the cabinet 100 .

The door inner frame 230 and the door outer frame 240 may include a door hinge connection 232 for connection with the cover 300. The door hinge connection portion 232 is provided on one side of the door inner frame 230 and the door outer frame 240 and may provide a space for accommodating the door hinge 360 of the cover 300 to be described later.

The display 202 may be provided in a space between the door inner frame 230 and the door outer frame 240. [ The display 202 is capable of outputting predetermined information to the user, and may be provided so that the front surface is exposed to the outside of the door outer frame 240. That is, the door outer frame 240 may include holes (not marked) or may be formed of a transparent material so that the display 202 may be exposed. At this time, the display 202 can be provided as a touch panel capable of inputting or outputting, and the user can not only confirm information such as the operating state through the display 202, Operations may be performed. For example, the user can select a process such as washing and rinsing by performing a touch operation on the display 202, and confirm the remaining washing time or the like through the display 202. [

The display 202 exposed to the outside of the door outer frame 240 and the door outer frame 240 can be protected through the protective glass 204. The protective glass 204 is provided on the front surface of the door outer frame 240 and is provided transparently so that the user can confirm the display 202. At this time, the protective glass 204 may be provided to have the same diameter as the door inner frame 230 and the door outer frame 240.

A hole may be provided on one side of the protective glass 204 and the door opening button 210 may be exposed to the outside through a hole. The door opening button 210 may be provided to the door outer frame 240 by opening or closing the inside of the cabinet 100 using an electronic opening and closing method and may be provided through a hole of the protective glass 204 And can be exposed to the outside.

In addition, the door 200 may include a door opening unit 250 and a door locking unit 260. The door opening unit 250 and the door locking part 260 protrude rearward of the door inner frame 230 and can be contacted and engaged with one side of the cover 300. Specifically, the door opening unit 250 serves as an opening / closing assistant and can be provided with an elastic force. For example, the door opening unit 250 may include a spring, and may act as a support when opening the door 200 through the elastic force of the spring. For example, when the door 200 is closed, the door opening unit 250 can be compressed and inserted into a groove (not shown) provided on one side of the cover 300. When the user operates the door opening button 210 to open the door 200, the door opening unit 250 is released from one side groove of the cover 300, As shown in FIG. That is, a space is provided between the door 200 and the cover 300 by the relaxed length of the door opening unit 250, thereby preventing the door 200 from being automatically closed.

The door opening unit 250 is supported by a spring and is disposed in a guide structure formed in the door inner frame 230 or a pusher stem assembly capable of repetitively moving in a linear stroke to a predetermined stroke range assembly.

The door locking portion 260 is provided at a predetermined distance from the door opening unit 250 and may be provided in the shape of a hook protruding outward from the door inner frame 230 in part. The protruding portion of the door locking portion 260 can be coupled to the door lock unit 330 of the cover 300 to be described later so that the door 200 can be closed.

In summary, the door 200 according to an embodiment of the present invention can be opened through the door opening button 210. [ When the user operates the door opening button 210, the door opening unit 250 and the door locking unit 260 can be detached from the cover 300, so that the door 200 can open the cover 300 can do. At this time, the door opening unit 250 having an elastic force can be relaxed and provided on one side of the cover 300, so that a predetermined gap is provided between the door 200 and the cover 300, The door 200 can be prevented from being closed.

In addition, the user can close the door 200 by applying pressure to the door 200 toward the cover 300 side. At this time, the user can press one side of the protective glass 204 which is the outermost side of the door 200, so that the door opening unit 250 can be compressed and accommodated in the groove (not shown) of the cover 300 The protruding portion of the door locking portion 260 can be coupled to the door lock unit 330 of the cover 300. [ That is, the door 200 can be opened and closed without a separate handle.

The center side of the door inner frame 230 and the door outer frame 240 can be opened and the door glass 280 can be provided at the opened center side. The door glass 280 is provided to allow the laundry to be seen from outside the washing machine 10 and can be fitted into the door inner frame 230 and the door outer frame 240. At this time, the door glass 280 may be formed so as to protrude rearward, and the protruded side of the door glass 280 may be fitted to the open side of the cover 300.

Meanwhile, the door 200 may be connected to the cover 300 so as to be rotatable. The cover 300 is provided to enclose the front panel 400 and includes a laundry input port 302 into which a laundry can be input, a detergent input port 304 into which a detergent box 500 can be inserted, And a power supply processing unit 306 for controlling the power supply unit 102.

The user can input the laundry through the laundry inlet 302. The laundry inlet 302 may be provided to have a predetermined diameter, and the diameter of the laundry inlet 302 may correspond to the size of the protruding portion of the door glass 280. Therefore, when the door 200 is closed, the door glass 280 can close the laundry inlet 302. When the user opens the door 200, the door glass 280 is released from the laundry inlet 302 , And the laundry may be introduced through the laundry inlet 302.

A detergent dispenser inlet 304 through which the detergent dispenser 500 can be inserted may be provided above the laundry inlet 302. At this time, the detergent inlet 304 may be formed to correspond to the shape of the detergent container 500.

The cover 300 may have a laundry inlet 302 at the center thereof and may have a circular shape as a whole. At this time, the cover 300 may have a shape in which one side protrudes downward. At this time, the power processor 306 may be provided at a portion protruding downward. The power supply processing unit 306 may be a PCB substrate connected to the power button 102 to control the power supply according to the operation of the power button 102 projected to the outside of the case 100.

Meanwhile, the cover 300 may include a door lock unit 330 at a position corresponding to the door locking portion 260. The door lock unit 330 may be a groove corresponding to the shape of the door locking portion 260, which is coupled with the hook-shaped door locking portion 260. Accordingly, as the door locking unit 260 is coupled to the door lock unit 330, the door 200 can close the laundry loading port 302.

In addition, the cover 300 may include a door hinge 360 at a position corresponding to the door hinge connection portion 232. The door hinge 360 is provided so that one side of the door 200 and one side of the cover 300 are connected to each other and one side of the door hinge 360 can be received in the door hinge connection portion 232. Specifically, the door hinge 360 is formed in a shape of a long curved panel in a vertical direction on one side of the laundry input port 302, and a part of the door hinge 360 is protruded forward so that the door 200 can rotate, Lt; / RTI > That is, the door 200 may be rotatable along the portion protruding forward of the door hinge 360.

On the other hand, the front panel 400 may be provided on the rear surface of the cover 300. The front panel 400 is coupled to the tub 700 and includes a shield 410 shielding a space between the drum 600 and the tub 700 and a detergent container receiving the detergent container 500 A detergent gasket 430 provided to be hermetically sealed to the portion to be coupled with the detergent case 500, a fitting 440 to supply water into the detergent case 500, A door gasket 450 provided to be hermetically sealed, and a water supply valve assembly 480 supplying wash water from an external water source.

The shielding portion 410 shields a space generated between the drum 600 and the tub 700 and may be provided in a shape corresponding to the cover 300. [ That is, the cover 300 may have the same diameter as the cover 300, and an opening corresponding to the laundry inlet 302 may be provided on the center side. At this time, the opening portion of the shielding portion 410 is formed to be smaller than the diameter of the drum 600, so that the space between the drum 600 and the tub 700 can be shielded.

At one side of the shield 410, a detergent receptacle 420 may be provided to receive the detergent box 500. The detergent container receiving portion 420 may be provided in a shape corresponding to the detergent container 500 and may communicate with the detergent container input port 304 of the cover 300. That is, the detergent container 500 may be received in the detergent container receiving portion 420 through the detergent container inlet 304 of the cover 300.

The detergent receiving portion 420 may include a detergent gasket 430 which is pressurized by the detergent box 500. The detergent gasket 430 is disposed around the end of the detergent container receiving portion 420 to seal the detergent container 500, and may be provided as a rubber material. That is, the detergent, the softener, and the washing water supplied into the detergent case 500 may not leak to the outside through the detergent gasket 430.

At least one fitting 440 may be provided on the top of the detergent container 420. The fitting 440 is connected to the water supply valve assembly 480 connected to the external water supply source and can supply the wash water into the detergent case 500. The washing water is supplied into the drum 600 and the tub 700 through the detergent case 500 so that the detergent or the softening agent may be dissolved in the washing water supplied to the drum 600 and the tub 700 .

The opening part of the shielding part 410 may include a door gasket 450 which is pressed by the door glass 280 of the door 200. The door gasket 450 is disposed at an opening end portion (e.g., an annular end portion of the opening portion) of the shielding portion 410 to seally fix the door glass 280, and may be provided with a rubber material or the like. Therefore, when the door 200 is closed, the door glass 280 passing through the laundry inlet 302 of the cover 300 presses the door gasket 450, and thereby the drum 600 and the tub 700 May not leak to the outside of the door 200.

The fitting 440 can receive the wash water through the water supply valve assembly 480. The water supply valve assembly 480 is connected to an external water source and can selectively supply wash water to the detergent case 550 through the fitting 440. The water supply valve assembly 480 may be a three-way valve and two of the supply flow paths extending from the water supply valve assembly 480 are connected to a fitting 440 connected to the detergent box 500, One can supply the washing water directly to the drum 600 through the door gasket 450.

The detergent case 500 accommodates a detergent and a softener. The detergent case 500 may include a detergent dispenser handle 502, a detergent dispensing space 504 into which detergent is injected, and a softening agent dispensing space 506 into which a softener is dispensed.

The detergent dispenser handle 502 may protrude forward and be exposed to the outside of the cover 300 so that the user may grasp the detergent dispenser handle 502 and open the detergent dispenser 500 after the door 200 is opened, Can be drawn out or inserted from the detergent receiving portion 420. In this embodiment, the detergent container handle 502 is shown extending vertically in the center of the front surface of the detergent container 500, but the detergent container handle 502 is not limited thereto. For example, the detergent container receiving part 420 may be provided horizontally extending on the front surface of the detergent case 500.

The detergent box 500 may include a detergent dosing space 504 and a softening agent dispensing space 506, which are partitioned at the center of the interior and can respectively receive the detergent and the softening agent. At this time, the fitting 440 may be arranged to correspond to the detergent input space 504 and the softener input space 506, and the detergent and the softener in the detergent input space 504 and the softener input space 506 may be selectively arranged Can be supplied. Specifically, after opening the door 200, the user pulls the detergent dispenser 500 out of the detergent dispenser receiving portion 420 and puts the detergent and the softener into the detergent dispensing space 504 and the softener dispensing space 506, respectively can do. The detergent container 500 filled with the detergent and the softener may be inserted into the detergent container 420 again and the detergent input space 504 and the softener input space 506 may be supplied with the washing water . Accordingly, the washing water containing the detergent or the softening agent can be selectively supplied to the drum 600 and the tub 700.

Meanwhile, the front panel 400 may be connected to the drum 600. The drum 600 accommodates the laundry. The drum 600 includes a drum inlet 610 on the front side and a spider 680 on the rear side. At this time, a plurality of holes for fluid communication with the tub 700 may be formed around the drum 600.

The drum inlet portion 610 may be provided to correspond to the open portion of the shielding portion 410. At this time, the drum inlet portion 610 may have a diameter smaller than the entire diameter of the drum 600, and the drum inlet portion 610 may be fitted into the open portion of the shield portion 410, The drum 600 can be connected. Accordingly, the laundry can be introduced into the drum 600 through the laundry inlet 302 of the cover 300 and the open portion of the front panel 400. [

The drum 600 may be rotated through the spider 680. The spider 680 is rotated by receiving a driving force of a driving motor 910 to be described later and may be provided separately from the drum 600 and may be coupled to the rear surface of the drum 600. At this time, a groove corresponding to the shape of the spider 680 may be formed on the rear surface of the drum 600 so that the spider 680 can be seated.

The spider 680 may include a plurality of arms extending in different directions at regular intervals from the center. For example, the spider 680 may include an arm extending in three directions by a length corresponding to the radius of the drum 600, and each arm may be disposed at an interval of 120 degrees. The center of the spider 680 may be fixed to a second pulley 914 which will be described later through a drum rotation axis 916 to be described later so that the drum 600 coupled to the spider 680 and the spider 680, Can be rotated. The concrete rotating method of the drum 600 will be described later.

A tub 700 may be provided on the outer side of the drum 600 to wash the wash water. The tub 700 may have a shape corresponding to that of the drum 600 and may have a diameter larger than a diameter of the drum 600 by a predetermined length. Accordingly, the tub 700 may be disposed apart from the drum 600 by a predetermined distance. The washing water supplied into the tub 700 may flow into the drum 600 through a plurality of holes formed around the drum 600. Likewise, the internal wash water of the drum 600 may flow into the tub 700 through a plurality of holes formed around the drum 600. At this time, the drum 600 and the tub 700 may be provided in a cylindrical shape, but are not limited thereto.

In addition, the tub 700 may include a heater 702 that heats laundry water. Specifically, a groove can be formed on the inner side of the tub 700 to receive the heater 702, and a heater 702 can be provided detachably on the inner side of the tub 700. Accordingly, the heater 702 can heat the washing water dewatered in the tub 700.

On the other hand, the tub 700 may be provided integrally with the rear panel 800. The rear panel 800 is mounted on the wall and includes an anchor connection portion 802 to which an anchor for connecting to the wall is connected, a cabinet fixing portion 804 for fixing the cabinet 100, And a sensor 806 that senses the temperature.

The tub 700 and the rear panel 800 may be injection molded integrally with each other and may be formed in such a manner that the tub 700 protrudes forward of the rear panel 800, The rear can be mounted on the wall via a separate anchor. The anchors may be coupled to the wall through the anchor connection portion 802, and a plurality of anchors may be provided on the rear surface of the rear panel 800 for stable engagement. That is, a plurality of anchors can mount the rear panel 800 on the wall. At this time, since the tub 700 and the rear panel 800 are integrally provided, a separate damper or an elastic member for supporting the tub 700 is not required, so that the number of parts can be reduced and the size of the washing machine 10 can be reduced have.

The cabinet 100 may be coupled to the front surface of the rear panel 800 where the tub 700 is provided so as to surround the tub 700. [ At this time, the cabinet fixing portion 804 may be provided so as to have a stepped shape along the periphery of the rear panel 800, and the cabinet 100 may be fixed to the cabinet fixing portion 804. For this purpose, Member may be used.

The rear panel 800 may include a control unit 810 for controlling the overall function of the wall-mounted type washing machine 10 and a drain unit 820 for discharging the washing water dewatered in the tub 700. [

The control unit 810 is provided on the front surface of the rear panel 800 and can control various components of the wall-mounted type washing machine 10 according to a user's operation to perform washing. Although the control unit 810 is shown on the right side of the tub 700 as an example in the present embodiment, the position of the control unit 810 is not limited thereto.

The power supply line 904 may be connected to an external power source to supply power to the above-described electric equipment, the control unit 810, the drive motor 910, and the like. The power supply line 904 may extend through the rear panel 800 to the front of the rear panel 800 and may extend outward from the rear surface of the rear panel 800. [ At this time, the power supply line 904 may be fixed to the rear surface of the rear panel 800 through a separate fixing means. Since the power supply line 904 is provided extending from the rear surface of the rear panel 800 to the outside, the appearance of the washing machine 10 can be finely finished.

A drain unit 820 may be provided at a lower portion of the rear panel 800. [ The drainage unit 820 discharges the wash water in the tub 700 to the outside, and may be provided on the lower front side of the rear panel 800. At this time, the drain unit 820 may include a drain pump for pressurizing the wash water, and may be connected to the drain hose 902 to discharge the wash water. Specifically, the drainage hose 902 is connected to the drainage unit 820 and extends outward along the rear surface of the rear panel 800, so that the wash water can flow through the pressure of the drainage unit 820. Therefore, when the drainage unit 820 is operated after the washing process is finished, the wash water can be discharged to the outside of the cabinet 100 through the drainage hose 902 due to the pressure change of the drainage unit 820.

The rear panel 800 includes a driving motor 910 for transmitting driving force, a first pulley 912 and a second pulley 914 connected to the driving motor 910, and a second pulley 914 connected to the rear panel 800 A drum rotational shaft 916 for rotating the drum 600 and a belt 918 for connecting the first pulley 912 and the second pulley 914.

Specifically, a driving motor 910 may be provided on the front surface of the rear panel 800. The drive motor 910 may be controlled by the control unit 810 and may be provided on one side of the control unit 810 and the drainage unit 820. [

Further, the driving motor 910 may be connected to the first pulley 912. At this time, a shaft (unrepresented) of the driving motor 910 can be provided passing through the rear panel 800, and the shaft (unrepresented) of the driving motor 910 at the rear surface of the rear panel 800, A pulley 912 can be connected.

The first pulley 912 may be connected to the second pulley 914 via a belt 918. The second pulley 914 may be provided to surround the drum rotation axis 916 connected to the spider 680 and the drum rotation axis 916 may penetrate the rear panel 800 while being connected to the spider 680. That is, the second pulley 914 and the drum rotation shaft 916 may be connected to each other at the rear surface of the rear panel 800. [

In summary, when all the washing water is drained to the tub 700 through the fitting 440, the control unit 810 can operate the driving motor 910. At this time, the first pulley 912 connected to the driving motor 910 is rotated, and the second pulley 914 can be rotated by the rotation of the first pulley 912. The drum rotation shaft 916 connected to the second pulley 914 is also rotated so that the drum 600 can be rotated inside the cabinet 100 and the tub 700. [ That is, the laundry inside the drum 600 can be washed.

On the other hand, the rear panel 800 may further include an exhaust line 920. The exhaust line 920 is connected to the drainage unit 820 and can discharge the air inside the tub 700 and the drainage unit 820. Specifically, the exhaust line 920 is connected to the drain hose 902 and can pass through the rear panel 800, thereby extending to the rear surface of the rear panel 800 and allowing exhaust to the outside.

The above-described wall-mounted type washing machine 10 according to an embodiment of the present invention can be used as follows.

First, the user can open the door 200, put laundry into the drum 600, and take out the detergent container 500 from the front panel 400. At this time, the center of the detergent case 500 is partitioned, and a space can be provided in which the detergent and the softening agent can be separately introduced.

After inserting the detergent container 500 into which the detergent and the softening agent have been introduced into the front panel 400 again, the user closes the door 200 and controls the washing operation through the power button 102 and the display 202 . When the washing operation is started, the wash water supplied from the external water source through the water supply valve assembly 480 can be supplied to the detergent dispenser 500 through the fitting 440, and the wash water is supplied to the detergent dispensing space 504 and / The water can be supplied to the inside of the drum 600 and the tub 700 after passing through the softening agent introducing space 506. That is, detergents and softeners may be selectively contained in the washing water that is dewatered to the drum 600 and the tub 700.

When all of the washing water is filled in the tub 700, the control unit 810 can drive the driving motor 910. Since the driving motor 910 can be connected to the first pulley 912 and the second pulley 914 and the second pulley 914 can be connected to the drum 600 through the drum rotation shaft 916, The drum 600 can be rotated through the motor 910. [ That is, the laundry introduced into the drum 600 can be easily washed by the rotation of the drum 600.

On the other hand, when the door 200 is closed, the door 200 can rotate toward the cover 300, and when the door 200 is opened, the door 200 can be reversely rotated away from the cover 300.

FIG. 5 is an exploded perspective view of a door for explaining a door opening / closing apparatus mounted on the door of FIG. 2, and FIG. 6 is a front view of a cushion of the door opening unit shown in FIG. 7 is a perspective view of the stem of the door opening unit shown in Fig. 5, and Fig. 8 is a front view of the stem shown in Fig. 9 is a sectional view taken along the line A-A of the stem shown in Fig. 8, and Fig. 10 is a perspective view of the guide structure of the door opening unit shown in Fig.

5 to 10, the wall-mounted type washing machine includes a door opening / closing device of an electronic opening / closing type provided on a door 200. [

The door 200 includes a door inner frame 230 and a door outer frame 240 configured to be separated or assembled as described above. The door 200 may be an assembled assembly of the inner frame 230 and the door outer frame 240.

The door opening / closing device is an electronic device capable of opening the door 200. That is, even if the door opening button 210 is simply pressed by the user's finger, the locking of the door 200 can be released, thereby maximizing user convenience. Further, the door opening / closing device is a means that can open the door 200 easily and quickly.

For example, the door opening / closing apparatus can quickly open the door 200 using the elastic force of the door opening unit 250 including the pusher stem assembly 2520 and the resultant force of the elastic force of the door gasket 450 of FIG. 4 .

For example, the door gasket 450 has an elastic protrusion projected obliquely toward the door glass 280. The door gasket 450 is bent when the door 200 is closed, and exerts an elastic force like a bending force to the door 200 through the door glass 280. [ Lt; / RTI >

That is, in the unlocked state in which the door 200 can be opened, the elastic protrusions of the door gasket 450 can be restored to the original state, and the door 200 can be pushed out with the elastic force corresponding to the bending force. At this time, the acting direction of the elastic force of the door gasket 450 and the acting direction of the elastic force of the door opening unit 250 can be the same, and consequently, the door 200 can be opened quickly.

The door opening / closing apparatus includes a door opening unit 250, a door locking unit 330 and a door hinge 360 shown in FIG. 4, a door locking unit 260, an opening button circuit unit 2100, And an open button 210 as shown in FIG.

The door hinge 360 may be provided on one side of the cover 300 and may be rotatably coupled to the door 200.

The door lock unit 330 may be provided on the other side of the cover 300.

The door locking part 260 is made of a metal material having a larger structural strength than that of the door 200, and is detachably attached to the door 200 by fixing means such as a bolt.

For example, the door locking portion 260 is mounted on the door 200. That is, the door locking portion 260 may be in the form of a hook protruding out of the door inner frame 230, or in the form of a ring protruding from the inner door frame 230 toward the cover 300. Such a door locking portion 260 may be a component that is coupled (e.g., locked) to the door lock unit 330 of FIG. 3 or FIG. 4 mentioned above or may be detached from the door locking unit 330 ). ≪ / RTI >

The door lock unit 330 may be a device capable of locking or unlocking the door locking portion 260 using an elastic force and an electromagnetic force.

The door locking unit 330 can unlock the door locking part 260 according to the door unlocking signal of the control unit 810 or unlock the door locking part 260 by manual unlocking described later .

The door lock unit 330 is provided in the cover 300. The door locking unit 330 may lock the door locking unit 260 when the door locking unit 330 is coupled to the door locking unit 260.

For this purpose, the door lock unit 330 is connected to the control unit 810 inside the washing machine 10. The detailed configuration of the door locking unit 330 may be an electromechanical locking device having a latch for locking or unlocking the door locking portion 260 and a mechanism for operating the latch and an electric powering device. Here, the electric power unit is configured to be controllable by the control unit 810. [

The door locking unit 330 releases the locking of the door locking part 260 in response to an operation control event (for example, door unlocking signal) of the control unit 810 located inside the cabinet 100 .

The door opening unit 250 is installed in the door 200 as mentioned above. The door opening unit 250 rotates together with the door 200 to make contact with the cover 300. In this case, the spring 2550 of the door opening unit 250 is compressed, so that the elastic force can be generated in the spring 2550 or can be stored in the spring 2550.

The door opening unit 250 may include a guide structure 2510 described below and a pusher stem assembly 2520 guided by the guide structure 2510.

In addition, the door opening unit 250 may play a role of generating a force required to open the door 200. For example, the door opening unit 250 is a device that can be stretched or contracted, that is, stretchable within a predetermined stroke range, using an elastic force. That is, the door opening unit 250 can serve as a pusher for easily and quickly opening the door 200 using elastic force. That is, the door opening unit 250 can reverse the door by the stored elastic force.

In addition, the door opening unit 250 may serve as an elastic support member or a gap retaining member. That is, the door opening unit 250 moves the door 200 and the cover 300 until the user applies a force of a magnitude enough to close the door 200 in the opened state of the door 200, Can be maintained.

For this purpose, the door opening unit 250 is installed on the door 200 based on a position spaced from the door locking part 260.

The door inner frame 230 is disposed to face the cover 300 and has a plurality of bolt holes 231 and a stem penetration hole 233. The stem penetration hole 233 is formed so as to pass through the door inner frame 230 in the thickness direction of the door with reference to a position spaced from the door locking portion 260.

A protective glass 204 is coupled to the outer surface of the door outer frame 240.

The door outer frame 240 may be a support base of the door opening unit 250.

The door outer frame 240 is coupled to the door inner frame 230 through a bolt (not shown) corresponding to the bolt hole 231. The door outer frame 240 includes a plurality of bolt fixing parts 241 spaced apart from each other in the circumferential direction on the inner side surface of the door outer frame 240 so that the bolts inserted into the bolt holes 231 are engaged. .

The door outer frame 240 includes a door opening button 210 disposed on the door outer frame 240 with respect to a position not interfering with the bolt fixing portion 241.

The outer side of the door opening button 210 can be exposed through a hole (not shown) on one side of the protective glass 204, as mentioned above.

The door opening button 210 includes a button extension 211 which is an integral shaft member protruding from the center of the inner side of the door toward the inner side of the door inner frame 230.

A swirling elastic body is formed between the outer edge of the door opening button 210 and the inner edge of the button hole of the door inner frame 230.

Therefore, the user can press the door 200 to open the door 200 as the door 200 is pressed with the finger. At this time, since the elastic body in the form of a whirl is deformed within the elastic range, the door opening button 210 and the button extension portion 211 can be advanced during the pressing operation. When the finger is separated from the door opening button 210, (E.g., backward).

The door inner frame 230 includes an opening button circuit portion 2100 provided on an inner surface of the door inner frame 230 so as to be in contact with an end of the button extending portion 211.

The open button circuit portion 2100 is installed at a position spaced downwardly from the stem penetration hole 233 of the door inner frame 230 (e.g., the inner surface of the door inner frame 230).

The open button circuit portion 2100 has a circuit housing 2110 that can be bolted to the inner side mounting position of the door inner frame 230. [ One side of the circuit housing 2110 is open.

The open button circuit portion 2100 includes a switch circuit board portion 2120 provided on the circuit housing 2110 through an open side. The opening button circuit portion 2100 is configured to lock the door to the control unit 810 of the washing machine 10 according to the ON or OFF operation of the door opening button 210, the button extension portion 211 and the contact switch 2130 And receives a release signal. The contact switch 2130 is mounted on the switch circuit board portion 2120 and can contact the end of the button extension portion 211.

The open button circuit portion 2110 includes a cable 2140 for electrically connecting the control circuit portion 2110 and the control circuit portion 2110 to each other. Here, the cable 2140 may be connected to the control unit 810 via a circuit (not shown) of the display 202 mentioned above.

Hereinafter, the door opening unit 250 will be described in detail.

The guide structure 2510 of the door opening unit 250 serves to guide the movement of the pusher stem assembly 2520. The guide structure 2510 may be integrally formed on the inner surface of the door outer frame 240. More specifically, the guide structure 2510 serves to guide the advance (e.g., stretch) or backward (e.g., reduce) the stem 2540 of the pusher stem assembly 2520. The guide structure 2510 also serves to restrain or protect the spring 2550 so that the spring 2550 is not separated or separated from the outside of the stem 2540.

The pusher stem assembly 2520 of the door opening unit 250 may be coupled to the guide structure 2510 and elastically supported on the inner surface of the door outer frame 240. The cushion 2530 of the pusher stem assembly 2520 may be in contact with the cover 300. The stem 2540 of the pusher stem assembly 2520 can be fitted into the stem through-hole 233 of the door inner frame 230.

The pusher stem assembly 2520 can be compressed upon contact with the cover 300.

FIG. 11 is a sectional view showing the assembled state of the door opening unit shown in FIG. 5, and FIG. 12 is a sectional view showing the operating state of the door opening unit shown in FIG.

11, the pusher stem assembly 2520 is supported and guided within the guide structure 2510 in accordance with the closing of the door 200, and the resilient force, which is stored in accordance with the compression of the spring 2550, Lt; / RTI >

Conversely, the pusher stem assembly 2520 may extend toward the cover 300 through the stem penetration hole 233 as shown in FIG. 12 as the door 200 is opened. This pusher stem assembly 250 is supported and guided by the guide structure 2510 and acts on the cover 300 with the resilient force.

The cover 300 is a fixed component of the washer 10 supported by the wall. The door 200, on the other hand, is a rotatable component in the door hinge 360 of the cover 300.

12, the pusher stem assembly 2520 is configured such that when the door 200 is released from being locked between the door locking unit 260 and the door locking unit 330, Can be moved (F) together with the door 200 along the door opening direction due to the reaction (e.g., elastic repulsion) of the elastic force as it relaxes or elongates.

The pusher stem assembly 2520 includes a cushion 2530 that contacts the cover 300 in response to rotation of the door 200. The pusher stem assembly 2520 includes a spring 2550 that is inserted within the stem 2540 and compresses or relaxes along the length of the stem 2540.

Referring to FIG. 6, the cushion 2530 serves to attenuate an impact upon contact with the cover 300 and to reduce noise at the time of contact, thereby improving the operating quality of the washing machine 10.

To this end, the cushion 2530 is formed of any one of a natural rubber material, a synthetic rubber material, a urethane material, a silicon material, and a synthetic resin material having an elastic force.

In addition, the cushion 2530 has a hemispherical contact portion 2531 that contacts the cover 300 to absorb the impact and has a bulged surface. Although the contact portion 2531 has a shape in which the hemispherical portion is bulged in the disk-shaped body, the shape of the contact portion 2531 may not be limited to a specific shape because it may be variously deformed for the purpose of absorbing impact or reducing noise.

Further, the cushion 2530 has a cushion extension shaft portion 2532 protruding from the center of the rear surface of the contact portion so as to have a smaller diameter than the contact portion 2531.

The cushion 2530 is integrally formed at the end of the cushion extension shaft portion 2532 with respect to the position opposite to the contact portion 2531 and is fixed to the edge of the installation hole 2541 of the stem 2540 of Fig. (Not shown).

Here, the cushion fixing portion 2533 has a wedge section shape. The mounting hole 2541 also has a plate hole shape corresponding to the inclined wedge surface of the cushion fixing portion 2533. A plurality of gap portions 2534 are formed on the outer peripheral surface of the cushion fixing portion 2533 so as to be spaced along the circumferential direction of the cushion fixing portion 2533.

Therefore, when the cushion 2530 is engaged with the stem 2540, the cushion fixing portion 2533 can be easily fixed through the installation hole 2541 of the stem 2540.

The cushion 2530 is installed in the hollow stem 2540, for example, at the cushion inserting portion 2542 of the stem 2540.

7 to 9, the stem 2540 includes a cushion inserting portion 2542 formed at one side of the stem 2540 with respect to the mounting hole 2541. Here, the cushion inserting portion 2542 includes a plurality of support protrusions 2543 for supporting the cushion 2530.

The space between the support protrusions 2543 allows the weight of the pusher stem assembly 2520 to be reduced while maximizing impact damping and noise reduction efficiency as a means for allowing the cushion 2530 to deform.

The stem 2540 extends integrally along the longitudinal direction of the stem 2540 from the cushion inserting portion 2542 and has a hollow shape disposed on the other side of the stem 2540, And a spring insertion portion 2544. The spring 2550 of FIG. 5 is inserted into the inner space of the spring insertion portion 2544.

The spring 2550 contacts the rim of the mounting hole 2541 in the inside of the stem 2540. The end of the spring 2550 protruding out of the stem 2540 is supported by the spring support 2511 of the guide structure 2510 described below. As a result, the spring 2550 elastically supports the stem 2540 while compressing or relaxing.

The stem 2540 includes a plurality of locking protrusions 2545 protruding from each other in the radial direction on the outer circumferential surface of the spring insertion portion 2544.

The locking protrusion 2545 has a wedge sectional shape inclined with respect to a direction of fastening to the guide body 2512 of the guide structure 2510. The wedge shape of the locking projection 2545 allows the stem 2540 to be easily inserted and coupled to the guide body 2512. [

10, the guide structure 2510 is formed on the inner surface of the door outer frame 240 so as to coincide with the center line of the stem through-hole 233, and has a spring (not shown) And a support portion 2511. Here, the spring support portion 2511 is formed on the inner surface of the door outer frame 240. The spring supporting portion 2511 serves to transmit the elastic force of the spring 2550 to the door 200 while being the mounting position of the spring 2550. [

The guide structure 2510 includes a hollow guide body 2512 formed on the inner surface of the door outer frame 240 with respect to the outer position of the spring support portion 2511 and in which the stem 2540 is inserted. do.

The guide structure 2510 includes guide slits 2513 which are respectively coupled to the locking projections 2545 of the stem 2540 and formed on the wall of the guide body 2512 to guide the movement of the stem 2540 do.

The guide structure 2510 also includes a stopper 2514 formed between the guide slit 2513 and the end of the guide body 2512.

The stem 2540 can be moved or stopped within the stroke range allowed by the guide structure 2510 by the guide slit 2513, the stopper portion 2514 and the engaging projection 2545. [

The guide structure 2510 includes a plurality of sliding protrusions 2515 extending in the circumferential direction on the inner circumferential surface of the guide body 2512 and extending in the longitudinal direction of the guide body 2512.

The sliding projection 2515 reduces the frictional force caused by the movement of the stem 2540, thereby smoothly inducing the operation of the stem 2540. That is, the sliding protrusion 2515 minimizes the contact area between the guide body 2512 and the stem 2540. As a result, the stem 2540 is not easily stuck inside the guide body 2512 by sliding, and the malfunction of the stem 2540 can be minimized.

Hereinafter, an operation method of the door opening / closing apparatus of the wall-mounted type washing machine of the present invention will be described.

Referring to FIG. 2, the user rotates the door 200 shown in FIG. 2 to the state shown in FIG. 1 to close the door 200.

In this case, the door 200 is close to the cover 300, and the door locking portion 260 of the door 200 is coupled to the door locking unit 330 and locked. As a result, the door 200 is closed.

11, the pusher stem assembly 2520 is moved with the door 200, and the cushion 2530 of the pusher stem assembly 2520 can be brought into contact with the cover 300. In this case, The stem 2540 of the pusher stem assembly 2520 is retracted and the spring 2550 is retracted as the user continues to push the door 200 further against the cover 300, Is compressed by the backward movement of the stem 2540, and the door is closed.

The user presses the door open button 210 shown in Fig.

In this case, the lock of the door lock unit 330 with respect to the door locking portion 260 of the door 200 shown in Fig. 2 is released.

At this time, as the door opening unit 250 is relaxed, the length of the spring 2550 of the door opening unit 250 is elongated.

In addition, since the cover 300 and the components of the washing machine 10 coupled thereto are fixed to the wall, they do not move despite the extension of the spring 2550.

Instead, the elastic force of the spring 2550 is transmitted to the cover 300 through the stem 2540 and the cushion 2530. In addition, the elastic repulsive force (e.g., pushing force) corresponding to the elastic force is transmitted to the door 200 through the guide structure 2510, and as a result, the door 200 reversely rotates in a direction in which the door 200 is opened.

That is, the guide structure 2510 and the pusher stem assembly 2520, which are the door opening unit 250 of the door 200, move together with the door 200 due to the reaction of the elasticity of the spring 2550 during relaxation or extension (F), thereby making the door open state as shown in FIG.

Hereinafter, manual unlocking of the door opening / closing apparatus will be described.

Fig. 13 is an exploded perspective view of the cover and the door lock unit shown in Fig. 4, and Fig. 14 is a rear view of the cover shown in Fig. 13. Fig.

13 or 14, the door lock unit 330 includes a locking device casing 337, a manual lever 333, and a stem member 335. [

The string member 335 plays a role of pulling the manual lever 333.

The manual lever 333 operated as the lever principle rotates the internal latch (not shown) of the locking device casing 337 by the string member 335 to move the door locking part 260 shown in FIG. Unit 330 manually.

The cover 300 includes a row seat portion 309 for fixing the string member 335 of the door lock unit 330. [ Here, the line rest part 309 protrudes outwardly of the cover 300 from the lower edge of the cover 300.

The line rest portion 309 may be a means for fixing the line member 335 or fixing the end of the line member 335 so as not to shake or a supporting base for holding the line member 335 in an unclamped state .

For example, the line rest part 309 may be integrally formed on the lower edge of the cover 300 and may be formed of any one of a hook part, a ring part, and a line fitting part for fixing the end of the line part 335 .

The cover 300 is provided with an engagement portion 260 formed in the thickness direction of the cover 200 in order to pass the protruding portion of the door locking portion 260 with reference to the direction from the door 200 toward the cover 300, Hole 307 as shown in FIG. Here, the engaging portion insertion hole 307 may be formed in the form of a rectangular hole having a rounded corner portion.

Further, the cover 300 includes a mounting hole 308 for bolt fastening formed in the cover 300 around the fastening portion insertion hole 307. The door lock unit 330 can be screwed to the bolt of the bolt fastening mounting hole 308 and tightly fixed to the back surface of the cover 300. [

In addition, the string member 335 can transmit a tensile force to the manual lever 333, such as a string, a string, a string, a flexible material wire, or the like. Particularly, since the string member 335 is a flexible material, it is possible to provide the advantages of this embodiment that the vibration transmission efficiency is low and the friction noise due to the contact is not generated.

The locking device casing 337 is provided on the rear surface (e.g., the back surface) of the cover 300 and includes a latch capable of locking or unlocking the door locking portion 260, a mechanism for operating the latch, . Here, the mechanism for operating the latch is connected to a lever connecting member (not shown) extending from the manual lever 333 to the inside of the lock casing 337, so that the operating force can be transmitted from the manual lever 333.

The manual lever 333 is exposed to the outside of the locking device casing 337 and is responsible for operating the latch by manual operation.

The upper end of the string member 335 is installed or coupled to the manual lever 333.

That is, the string member 335 is connected to the manual lever 333 and extends downward from the manual lever 333. For example, the upper end portion of the string member 335 may be combined with the injection lever 333, or may be connected after the manual lever 333 is manufactured by a bundling method, a connecting method using a fixing clip, or the like.

The string member 335 is formed at the lower end of the string member 335 and is fixed to the string seat portion 309 to facilitate the engagement or fixation between the string member 335 and the string seating portion 309 of the cover 300. [ And may further include a ring portion 336 detachably coupled.

The door locking unit 330 includes a locking part input port 331 formed in the locking device casing 337 with reference to a position corresponding to the locking part insertion hole 307 of the cover 300. The latching portion input port 331 may also be a rectangular hole having a rounded corner portion so as to be matched corresponding to the latching portion insertion hole 307.

The lock casing 337 of the door lock unit 330 is integrally formed with a plurality of bolt fixing portions 332 for fixing the bolts passing through the bolt fastening mounting holes 308.

The door lock unit 330 further includes a socket portion 334 for electrical connection with a connector (not shown) of the electric wire extending from the control unit 810. The socket portion 334 is disposed at the bottom of the locking device casing 337 and has a socket hole opened in the width direction of the locking device casing 337. [

If the user or the operator disables the cabinet 100 from the washing machine 10, the user or the operator disassembles the cabinet 100 when the washing machine 10 becomes inoperable due to power failure or malfunction.

In this case, the string member 335 can be exposed in the lateral direction of the cover 300 and the front panel 400 of FIG. The worker or the user manually unlocks the door lock unit 330 by pulling the string member 335 down and as a result the door latch unit 260 is separated from the door lock unit 330, It is possible to manually open the main body 200.

The foregoing description is merely illustrative of the technical idea of the present invention and various changes and modifications may be made without departing from the essential characteristics of the present invention. Therefore, the embodiments described in the present invention are not intended to limit the scope of the present invention, but are intended to be illustrative, and the scope of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas which are equivalent or equivalent thereto should be interpreted as being included in the scope of the present invention.

10: Wall-mounted washing machine 100: Cabinet
200: door 250: door opening unit
260: door locking portion 300: cover
330: Door lock unit 400: Front panel
450: door gasket 500: detergent
600: Drums 680: Spider
700: TUBE 800: Rear panel

Claims (20)

A cabinet having front and rear openings and an exterior appearance;
A tub disposed inside the cabinet, the tub being filled with wash water;
A front panel installed on the tub;
A drum rotatably installed in the tub;
A cover provided on the front panel and having a door hinge;
A door rotatably coupled to the door hinge and having a door glass; And
And a door opening / closing device of an electronic opening and closing type for locking or unlocking the door to the cover.
The method according to claim 1,
The door opening /
A door locking part provided on the door and protruding toward the cover;
A door locking unit provided on the cover and coupled to the door locking unit to lock the door locking unit; And
And a door opening unit installed on the door with respect to a position spaced apart from the door locking part and generating a force required to open the door,
Wherein the door lock unit is connected to a control unit located inside the cabinet, and the door lock unit releases the locking of the door locking unit in response to an operation control event of the control unit.
3. The method of claim 2,
The door
A door inner frame disposed to face the cover and having a plurality of bolt holes and stem through holes; And
And a door outer frame coupled to the door inner frame through a bolt corresponding to the bolt hole.
The method of claim 3,
The door outer frame includes:
A plurality of bolt fixing parts spaced apart from each other in the circumferential direction on an inner surface of the door outer frame so that the bolts inserted into the bolt holes are engaged; And
And a door opening button disposed on the door outer frame with respect to a position not interfering with the bolt fixing portion.
5. The method of claim 4,
The door opening button
And a button extension part protruding from the center of the inner side of the door opening button toward the inner side of the door inner frame.
6. The method of claim 5,
Wherein the door inner frame comprises:
And an opening button circuit portion provided on an inner surface of the door inner frame to be in contact with an end of the button extension portion.
The method according to claim 6,
The open-
Wherein the door is installed at a position spaced downward from the stem through hole formed in the door inner frame.
8. The method of claim 7,
The open-
A contact switch that contacts an end of the button extension;
A switch circuit board portion for inputting a locking release signal of the door to the control unit of the washing machine in accordance with the ON or OFF operation of the contact switch; And
And a cable for electrically connecting the board unit for the switch circuit and the control unit.
A cabinet having front and rear openings and an exterior appearance;
A rear panel coupled to the cabinet and mounted on the wall;
A control unit disposed on a front surface of the rear panel with respect to an inside of the cabinet;
A front panel installed on the tub;
A cover provided on the front panel and having a door hinge on one side and a door locking unit on the other side;
A door rotatably coupled to the door hinge; And
And a door opening unit installed on the door and rotated together with the door to be compressed upon contact with the cover to store the elastic force.
10. The method of claim 9,
The door
A door inner frame having a door locking unit coupled to the door locking unit and a stem through hole formed at a position spaced apart from the door locking unit; And
And a door outer frame coupled to the door inner frame and serving as a support base of the door opening unit.
11. The method of claim 10,
The door opening unit includes:
A pusher stem assembly elastically supported on an inner surface of the door outer frame and fitted in a stem through hole of the door inner frame so as to be contactable with the cover; And
And a guiding structure integrally formed on an inner surface of the door outer frame to guide movement of the pusher stem assembly.
12. The method of claim 11,
The pusher stem assembly includes:
And is moved together with the door along the door opening direction by the reaction of the elastic force when the door locking unit is unlocked between the door locking unit and the door lock unit Wherein the washing machine is a washing machine.
A cover which is connected to the cover connecting portion of the cabinet and has a door hinge at one side thereof and a door lock unit at the other side thereof; A door opening and closing apparatus for a wall-mounted type washing machine comprising a door including a door inner frame and a door outer frame,
And a door opening unit installed on the door and rotated together with the door to compress the door when pressed against the cover to store the elastic force and reverse the door by the stored elastic force. Opening and closing device.
14. The method of claim 13,
The door opening unit includes:
A pusher stem assembly extending toward the cover through a stem through hole formed in the door inner frame or being compressed upon contact with the cover; And
And a guide structure integrally formed on an inner surface of the door outer frame to be engaged with the pusher stem assembly.
15. The method of claim 14,
The pusher stem assembly includes:
A cushion contacting the cover corresponding to the rotation of the door;
A hollow stem provided with the cushion; And
And a spring inserted into the stem and compressed or relaxed along the longitudinal direction of the stem.
16. The method of claim 15,
The cushion
A hemispherical contact portion contacting the cover to absorb the impact and having a bulged front surface;
A cushion extension shaft portion protruding from the center of the rear surface of the contact portion so as to have a smaller diameter than the contact portion; And
And a cushion fixing part which is formed at an end of the cushion extension shaft and which is fixed to an edge of the installation hole of the stem.
17. The method of claim 16,
The stem may be,
A cushion inserting portion formed at one side of the stem with respect to the installation hole and having a plurality of support protrusions for supporting the cushion;
A hollow spring insertion portion extending integrally along the longitudinal direction of the stem from the cushion inserting portion and disposed on the other side of the stem with respect to the installation hole; And
And a plurality of locking protrusions protruding from each other in the radial direction on the outer peripheral surface of the spring insertion portion in a mutually opposing manner.
18. The method of claim 17,
The guide structure includes:
A spring supporting portion formed on an inner surface of the door outer frame so as to coincide with a center line of the stem through hole and supporting an end of the spring;
A hollow guide body formed on an inner surface of the door outer frame with respect to an outer position of the spring support portion and having the stem inserted therein; And
And a guide slit coupled to the stem of the stem for guiding the movement of the stem, the guide slit being formed on a wall of the guide body.
19. The method of claim 18,
The guide structure includes:
And a stopper formed between the guide slit and an end of the guide body.
20. The method of claim 19,
The guide structure includes:
And a plurality of sliding protrusions spaced from each other in the circumferential direction on the inner circumferential surface of the guide body and extending in the longitudinal direction of the guide body.

Images