EP3690122B1 - Laundry treating apparatus comprising a door - Google Patents

Laundry treating apparatus comprising a door Download PDF

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Publication number
EP3690122B1
EP3690122B1 EP20152156.4A EP20152156A EP3690122B1 EP 3690122 B1 EP3690122 B1 EP 3690122B1 EP 20152156 A EP20152156 A EP 20152156A EP 3690122 B1 EP3690122 B1 EP 3690122B1
Authority
EP
European Patent Office
Prior art keywords
outer frame
hook
adhesive
disposed
treating apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20152156.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3690122A1 (en
Inventor
Yongwoo Kwon
Jungsang You
Donghyun Jin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP3690122A1 publication Critical patent/EP3690122A1/en
Application granted granted Critical
Publication of EP3690122B1 publication Critical patent/EP3690122B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • D06F39/14—Doors or covers; Securing means therefor
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/10—Doors; Securing means therefor
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/28—Doors; Security means therefor
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/006—Locks or fastenings for special use for covers or panels
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/44—Opening, closing or locking of doors
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a horizontal axis
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a horizontal axis
    • D06F23/025—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a horizontal axis with a rotatable imperforate tub
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/312—Application of doors, windows, wings or fittings thereof for domestic appliances for washing machines or laundry dryers

Definitions

  • the present disclosure relates to a laundry treating apparatus, and particularly to a technique for fastening an outer frame and an inner frame of a door of a laundry treating apparatus.
  • a laundry treating apparatus may include an apparatus having a function of washing or drying laundry.
  • the laundry treating apparatus may be configured to have both a washing function and a drying function of the laundry.
  • the laundry treating apparatus may include a main body having a laundry inlet port, a door configured to open and close the laundry inlet port, and a laundry accommodating portion provided in the body.
  • the door may include a door frame, a front glass attached to a front surface of the door frame, and a door window mounted on the door frame to protrude through the laundry input port.
  • the door frame may include an outer frame disposed toward an outside of the main body, and an inner frame disposed toward an inside of the main body when the door is closed.
  • Each of the outer frame and the inner frame in the related art is fastened by a screw through a fastening hole.
  • the weight of the front glass is large, and thus a fastening force between the outer frame and the inner frame must be increased to support the front glass.
  • a laundry treating apparatus includes a body provided with a laundry inlet; and a door configured to open and close the laundry inlet, wherein the door includes a door frame; a door cover mounted at one side of the door frame, and provided with a light transmitting region; a mounting frame mounted at the other side of the door frame; a display mounted on the mounting frame to display visual information through the light transmitting region of the door cover; and a display gasket disposed between the door frame and the mounting frame, and formed to surround the display.
  • US 2018/216282 A1 presents a laundry treating apparatus that includes a cabinet having an opening, a laundry receiving part provided within the cabinet to receive the laundry therein, the laundry receiving part having an input entrance communicating with the opening, a door opening/closing the opening, and a hinge part joining the door to the cabinet rotatably, the hinge part including a base joined to the cabinet, a projection portion projected from the base to be connected to the door, a hinge holder joined to the door to support one side of the projection portion rotatably, and a hinge cover joined to the hinge holder to support the other side of the projection portion rotatably, wherein the hinge holder further includes a reinforce recess having one side formed concave.
  • the hinge holder is formed in uniform thickness.
  • CN 208 293 271 U provides a door body assembly for a laundry treating device, comprising: a window cover, a window front plate, a window member, and a window rear plate arranged in this order from the front side.
  • the window rear plate has an opening through which a part of the window member passes, and the window member is clamped to the window front plate and the window portion by the portion passing through the opening portion between boards.
  • the window front panel and the window rear panel are fastened together by bolts mounted from the front side.
  • GB 2 118 580 A presents a window for a washing machine that comprises a glass member having a circumferential edge which projects outwardly and an annular support of plastics material for the said window.
  • the support comprises two complementary rings which nest together and have two flanges or opposing end portions towards the centre between which the circumferential edge of the glass member is secured after the two rings have been joined together.
  • an objective of the present disclosure is to provide a laundry treating apparatus capable of fastening between an outer frame and an inner frame without having a fastening hole in each of the outer frame and the inner frame, and reducing the cost while increasing a fastening force between the frames.
  • Another objective of the present disclosure is to provide a laundry treating apparatus capable of preventing the occurrence of defective parts due to a fastening hole mismatch between the outer frame and the inner frame, as well as preventing the waste of material costs due to rework and the disposal of the defective parts.
  • Still another objective of the present disclosure is to provide a laundry treating apparatus capable of reinforcing the strength of the outer frame.
  • the adhesive filling portion includes an adhesive filling groove disposed concavely on a front surface of the outer frame to fill the adhesive; and an adhesive overflow groove disposed concavely on a front surface of the outer frame to accommodate an adhesive overflowing from the adhesive filling groove when the front glass is attached.
  • the adhesive overflow groove may include a plurality of adhesive overflow grooves respectively extending along a circumferential direction of the outer frame, and each of the plurality of adhesive overflow grooves may be disposed at outer and inner sides, respectively, in a radial direction by interposing the adhesive filling groove therebetween.
  • the reinforcement portion protrudes from a rear surface of the outer frame with respect to the adhesive filling portion, and the reinforcing portion is disposed to overlap with the adhesive filling portion in a thickness direction of the outer frame.
  • the reinforcing portion may be disposed to overlap with the plurality of adhesive overflow grooves in a thickness direction of the outer frame, and the reinforcing portion may be defined in a ring shape.
  • a laundry treating apparatus may include a main body having a front panel disposed with a laundry inlet port and a laundry accommodating portion that accommodates laundry loaded through the laundry inlet port; and a door rotatably provided on the front panel to open and close the laundry inlet port, wherein the door includes an outer frame provided with an opening portion, and disposed toward an outer side of the main body; a front glass attached to a front surface of the outer frame to cover the opening portion; an inner frame coupled to a rear surface of the outer frame, and disposed toward an inner side of the main body; an adhesive filling groove provided on a front surface of the outer frame to fill an adhesive for bonding the front glass; a plurality of adhesive overflow grooves spaced apart from the adhesive filling groove on a front surface of the outer frame to accommodate the adhesive overflowing from the adhesive filling groove; a reinforcing rib protruding from a rear surface of the outer frame; and a connecting rib disposed to protrude from a rear surface of
  • the plurality of adhesive overflow grooves may include a first adhesive overflow groove disposed to be spaced apart from the adhesive filling groove in a radially outward direction of the outer frame; and a second adhesive overflow groove disposed to be spaced apart from the adhesive filling groove in a radially inward direction of the outer frame.
  • the connecting rib may be disposed to overlap with the first adhesive overflow groove in a thickness direction of the outer frame, and the reinforcing rib may be disposed to overlap with the second adhesive overflow groove in a thickness direction of the outer frame.
  • the laundry treating apparatus may include a plurality of support ribs protruding from a rear surface of the outer frame, and extending in a direction crossing the reinforcing rib or the connecting rib between the reinforcing rib and the connecting rib.
  • Each of the plurality of support ribs may be spaced apart in a circumferential direction of the outer frame, and connected by the connecting rib.
  • the outer frame may be defined in a circular ring shape.
  • the adhesive filling groove and/or at least one of the plurality of adhesive overflow grooves may be defined in a circular ring shape extending along a circumferential direction with the same center.
  • the outer frame may include a flat portion disposed with the adhesive filling groove and the plurality of adhesive overflow grooves on a front surface thereof.
  • Each of the reinforcing ribs and the connecting rib may be defined in a circular ring shape extending along a circumferential direction with the same center.
  • the front glass may have a disc shape in which front and rear surfaces thereof are respectively flat, and may be formed of a glass material.
  • the outer frame may include a mounting guide protruding from an outer circumference of the outer frame to surround an outer circumferential surface of the front glass.
  • the first hook may be disposed at an outer side of the mounting guide.
  • the first hook may protrude in a direction opposite to the mounting guide.
  • Each of the first hook and the second hook may be defined in a ring shape.
  • the second hook may be inserted into and coupled to the first hook.
  • the first hook may be coupled to surround an outer circumference of the second hook.
  • a reinforcing portion may be provided on a rear surface of an outer frame to reinforce the strength of the outer frame.
  • an adhesive filling groove for filling an adhesive on a front surface of the outer frame and an adhesive overflow groove for accommodating the adhesive overflowing from the adhesive filling groove are respectively defined in a ring shape along a circumferential direction.
  • a thickness of the outer frame may be partially reduced.
  • the reinforcing portion may reinforce the strength of the outer frame.
  • the adhesive filling groove may always be filled with the adhesive, but the adhesive overflow groove may not always be filled with the adhesive, when the adhesive overflow groove is not filled with the adhesive, a portion where the adhesive overflow groove is positioned has a lower rigidity than a portion where the adhesive filling groove is positioned.
  • the reinforcing portion is disposed to overlap at an opposite side of the adhesive overflow groove in a thickness direction of the outer frame, thereby reinforcing the rigidity of the outer frame with respect to the adhesive overflow groove having a low rigidity.
  • a first hook protruding from an outer circumferential portion of the outer frame and a second hook protruding from an outer circumferential portion of the inner frame are coupled to each other by an interference fit to maintain a sealing between the outer frame and the inner frame, thereby eliminating the requirement of an additional member for sealing between the outer frame and the inner frame.
  • a distance between a mounting guide and the first hook that surrounds an outer circumferential surface of the front glass may be reduced at an outer circumferential portion of the outer frame.
  • the outer frame and the inner frame may be coupled to each other by a hook fastening structure, thereby improving a coupling force between the outer frame and the inner frame even without drilling fastening holes in the front glass.
  • each of the first hook of the outer frame and the second hook of the inner frame may have a wedge-shaped hook protrusion, and each hook protrusion may be defined such that an inclination of the second inclined surfaces in contact with each other subsequent to fastening the first hook and the second hook may be higher than that of the first inclined surfaces in contact with each other prior to fastening, thereby allowing the second hook to easily enter an inside of the first hook while restricting the second hook from being separated from the first hook.
  • an elastic groove may be disposed on a rear surface of the outer frame to guide the first hook to be deformed radially outward when the first hook of the outer frame and the second hook of the inner frame are fastened to each other, thereby allowing the second hook to easily enter an inside of the first hook to improve assembly performance between an outer frame and an inner frame.
  • a pressing portion may include a plurality of pressing ribs, a connecting rib and a plurality of support ribs on a rear surface of the outer frame, and the pressing ribs may press the second hook when the first hook of the outer frame and the second hook of the inner frame are fastened to each other, thereby preventing the second hook from being deformed radially inward with respect to the first hook and more firmly maintaining a fastening force between the first hook and the second hook even though the weight of the front glass accounts for a relatively large proportion of the total weight of a door.
  • the connecting rib may protrude from a rear surface of the outer frame to connect the plurality of pressing ribs, and defined in a ring shape along a circumferential direction, thereby enhancing a support strength of the outer frame and a pressing force of the plurality of pressing ribs with respect to the front glass.
  • the plurality of support ribs may protrude from a rear surface of the outer frame, and may be integrally connected to an inner circumferential surface of the connecting rib, thereby further enhancing a supporting force to the connecting rib and the pressing ribs.
  • an external appearance of the laundry treating apparatus may be formed by four side-walls or panels - including a front side wall or front panel at which the door in installed, a back side wall or rear panel which is opposite to the front side wall or the front panel, and two side side-walls or side panels which extend between the front side wall and the back side wall i.e. between the front panel and the rear panel.
  • the external appearance of the laundry treating apparatus may further be defined by a top panel and a bottom panel, which may also be referred to as top side or bottom side or simply as a top and a bottom, i.e. base, of the laundry treating apparatus.
  • the bottom panel or bottom side or bottom may be understood as a surface of the laundry treating apparatus which faces the surface on which the laundry treating apparatus may be installed, for normal use i.e. when the laundry treating apparatus is in intended upright position.
  • the top panel or top side or top may be the surface opposite to the bottom panel or base of the laundry treating apparatus.
  • the bottom and the top of the laundry treating apparatus may be disposed substantially parallel to each other.
  • the front panel and the rear panel of the laundry treating apparatus may be disposed substantially parallel to each other.
  • the two side panels of the laundry treating apparatus may be disposed substantially parallel to each other.
  • any references to direction(s) or position(s) or orientation(s) or location(s) or like expressed by use of terms such as 'up', 'upward', 'upper', 'top', 'above', 'vertical', 'up-down', 'down', 'downward' 'lower', 'bottom', 'below', 'beneath', and like terms, may be understood with respect to the base and/or with respect to the top of the laundry treating apparatus, preferably with the door in a closed state.
  • any reference to direction(s) or position(s) or orientation(s) or location(s) or like expressed by use of terms such as 'horizontal' or 'side' or like terms may be understood as a direction extending between the two side panels of the laundry treating apparatus, preferably with the door in a closed state.
  • any reference to direction(s) or position(s) or orientation(s) or location(s) or like expressed by use of terms such as 'front', 'in-front', 'behind', 'before', 'outer', 'outward', 'outwardly', 'inner', 'inward', 'inwardly', 'back', 'rear' or like terms may be understood with respect to the front panel and/or with respect to the rear panel of the laundry treating apparatus, preferably with the door in a closed state.
  • any reference to direction(s) or position(s) or orientation(s) or location(s) or like expressed by use of terms such as 'radial', 'radially', 'circumferential', 'circumferentially', 'axial', axially' or like terms may be understood with respect to an axis of a laundry accommodating portion, e.g. drum, of the laundry treating apparatus, preferably with the door in a closed state.
  • any reference to direction(s) or position(s) or orientation(s) or location(s) or like, expressed by use of terms such as 'radial', 'radially', 'circumferential', 'circumferentially', 'axial', axially', 'inner', 'outer', or like terms may be understood with respect to a center of the shape or cross-section or axis disposed normal to such center.
  • Any references to thickness of the outer frame, the inner frame, the transparent front panel (the front glass), the handle, etc. may be understood to be along an axial direction of the door; or simply put along axial direction of the laundry accommodating portion when the door is closed, unless otherwise specified.
  • a singular representation may include a plural representation as far as it represents a definitely different meaning from the context.
  • FIG. 1 is a perspective view showing a laundry treating apparatus according to the present disclosure.
  • the laundry treating apparatus of the present disclosure may include a main body 10, a tub, a drum, and a door 12.
  • the main body 10 may define an outer shape of the laundry treating apparatus.
  • the main body 10 may be defined in a rectangular parallelepiped shape.
  • the main body 10 includes a front panel 101 defining a front surface of the laundry treating apparatus, a rear panel defining a rear surface of the laundry treating apparatus, side panels defining both sides of the laundry treating apparatus, a top panel defining a top surface of the laundry treating apparatus, and a bottom panel defining a bottom surface of the laundry treating apparatus.
  • the rear panel and the left and right side panels may be defined in a " " shape by bending one rectangular plate, thereby improving the structural rigidity of the main body 10.
  • a laundry inlet port 102 may be defined in a circular shape on the front panel 101 (see FIG. 5 ).
  • the laundry inlet port 102 may be defined to pass through the front panel 101 so as to put laundry into the laundry accommodating portion through the laundry inlet port 102.
  • the laundry inlet port 102 may be disposed in the front panel 101 such that a recess portion 103 is recessed toward an inside of the main body 10 to surround the laundry inlet port 102.
  • the laundry inlet port 102 is disposed to pass through an inside of the recess portion 103.
  • Part of the door 12 may be accommodated in the recess portion 103.
  • the door 12 may be rotatably coupled to the front panel 101 by a hinge 25 to open and close the laundry input port 102.
  • a laundry accommodating portion may be provided inside the main body 10.
  • the laundry accommodating portion may include a drum to perform a drying function, or a tub and a drum to perform washing and drying functions together.
  • a tub and a drum may be provided inside the main body 10.
  • the tub may be defined in a cylindrical shape, the central shaft of the tub in a length direction may be disposed horizontally or in an inclined manner at a predetermined angle. Wash water may be stored inside the tub.
  • the drum may be rotatably provided inside the tub.
  • a gasket may be provided at a front end portion of the tub to communicate with the laundry inlet port 102 so as to prevent the wash water stored inside the tub from being leaked into an accommodation space of the main body 10.
  • the drum may be provided to be rotatable with respect to the tub inside the tub.
  • a front portion of the drum may be open to be connected in communication with the laundry input port 102, and laundry may be accommodated inside the drum through the laundry input port 102.
  • a drive motor may be provided on a rear surface of the tub, and the drive motor may be connected to a rotating shaft on a rear surface of the drum to rotate the drum by transmitting the power of the drive motor to the drum through the rotating shaft as the drive motor is driven.
  • a plurality of through holes may be arranged on a circumferential surface of the drum to allow a fluid such as wash water to enter and exit the drum through the plurality of through holes.
  • the drum may be configured to have a plurality of lifters therein to rotate laundry accommodated inside the drum, thereby performing washing and drying functions.
  • the control unit 11 may be provided in the main body 10 or provided in the door 12. In the present embodiment, it is shown a state that the control unit 11 is located above the front panel 101 of the main body 10.
  • the control unit 11 is configured to display information related to a stroke processed by the laundry treating apparatus to a user and to receive the user's operation.
  • the control unit 11 may include a circular knob and a plurality of buttons for receiving a user's manipulation.
  • the control unit 11 may include a display for displaying visual information.
  • FIG. 2 is a front view showing a state in which the door 12 is seen from the front in FIG. 1
  • FIG. 3 is an exploded view showing a state in which the door 12 in FIG. 2 is disassembled.
  • the door 12 may include a door frame 13, a door window 23, a front glass 20, a hinge unit 24, and a locking unit 30.
  • the door frame 13 may be defined in a ring shape.
  • the door frame 13 may include an outer frame 14 and an inner frame 19.
  • the outer frame 14 and the inner frame 19 may be made of a synthetic resin material (e.g., ABS material, PC material, etc.).
  • Each of the outer frame 14 and the inner frame 19 may be manufactured by injection molding when made of a synthetic resin material.
  • the outer frame 14 and the inner frame 19 may be respectively defined in a ring shape, and overlapped and fastened to each other in a front-rear direction. A fastening structure between the outer frame 14 and the inner frame 19 will be described later in detail.
  • the outer frame 14 and the inner frame 13 are named as such since the outer frame 14 is disposed toward the outside of the main body 10 and the inner frame 19 is disposed toward the inside of the main body 10 based on a state in which the door 12 is closed.
  • the outer frame 14 may be referred to as a first frame
  • the inner frame 19 may be referred to as a second frame.
  • Circular opening portions 18 are defined to correspond to each other inside the outer frame 14 and the inner frame 19, respectively.
  • the opening portions 18 may be eccentrically positioned at the center of each of the outer frame 14 and the inner frame 19.
  • the center of the opening portion 18 may be positioned above the center of each of the outer frame 14 and the inner frame 19.
  • each of the outer frame 14 and the inner frame 19 may vary in width along a circumferential direction.
  • a distance (width) between the outer diameter and the inner diameter (the opening portion 18 diameter) of each of the outer frame 14 and the inner frame 19 may be configured to increase (widen) from the top end to the bottom end.
  • the center of the drum may be disposed higher than the center of height (1/2) of the main body 10.
  • the drum is fixed in a height direction of the main body 10 aside from a minute vibration due to rotation.
  • consumers are able to look into the drum through the door 12 and, if possible, prefer to have a wide field of view with regard to an inner space of the drum.
  • the door 12 may be enlarged downward to increase the size of the door 12 while the position of the drum is fixed.
  • the center of the door frame 13 may move below the center of the laundry inlet port 102 or the opening portion 18. Similarly, the center of the door frame 13 may move downward with respect to the door window 23 positioned to correspond to the opening portion 18.
  • a diameter of the door 12 is preferably defined to be larger than the recess portion 103.
  • the front glass 20 is defined in a circular shape having a preset radius.
  • the front glass 20 is made of a glass material.
  • the front glass 20 is disposed flat on the front and rear surfaces thereof.
  • the front glass 20 is defined in a disc shape having a constant thickness, and defined without bending even when viewed from anywhere up, down, left, or right.
  • the front and rear surfaces of the front glass 20 made of a glass material are disposed flat in a circular shape, thereby enhancing the quality grade of the door 12, compared to a door cover in the related art made of a synthetic resin material that has a convex front surface in an incomplete circular shape.
  • a transparent alignment mark 221 is defined in a non-transparent region 22.
  • the alignment mark 221 is a structure for guiding the attachment position of the front glass 20 with respect to the outer frame 14. In the present drawing, it is shown that a circular alignment mark 221 is positioned at a lower side (6 o'clock direction) of the front glass 20. However, the present disclosure is not necessarily limited thereto.
  • the alignment mark 221 may be formed in a polygonal shape or may be formed in a line shape. Of course, the position of the alignment mark 221 may be changed.
  • the front glass 20 may implement a transparent region 21, a non-transparent region 22, and an alignment mark 221 through the following layer structure.
  • the front glass 20 may include a glass body made of a transparent glass material and a shielding layer disposed to cover a rear surface of the glass body to define the non-transparent region 22. In this case, a portion where the shielding layer is not disposed define the transparent region 21 and the alignment mark 221.
  • the shielding layer may be made by glass printing on a rear surface of the glass body.
  • the front glass 20 may include a glass body made of a transparent glass material and a film disposed to cover a rear surface of the glass body.
  • the film may include a transparent portion disposed to have a transparency corresponding to the transparent region 21, a non-transparent portion disposed to have an opacity corresponding to the non-transparent region 22, and an alignment mark 221 disposed to have a transparency corresponding to the alignment mark 221.
  • the front glass 20 may include a glass body made of a transparent glass material and a film disposed to cover a rear surface of the glass body.
  • the film includes a first hole disposed to correspond to the transparent region 21, a non-transparent portion disposed to have an opacity corresponding to the non-transparent region 22, and a second hole disposed to correspond to the alignment mark 221.
  • the film includes a first hole disposed to correspond to the transparent region 21, a non-transparent portion disposed to have an opacity corresponding to the non-transparent region 22, and a second hole disposed to correspond to the alignment mark 221.
  • the front glass 20 may be disposed to cover the opening portion 18 of the door frame 13.
  • the front glass 20 may be adhered to a front surface of the outer frame 14 by a sealant or an adhesive.
  • the glass material Due to the nature of the glass material, it is easy to break when a fastening hole is drilled in the front glass 20, and thus the front glass 20 is attached to the outer frame 14 using an adhesive or the like to prevent the glass from being broken.
  • the front glass 20 made of a glass material occupies a relatively large load compared to the total load of the door 12.
  • a mounting guide 34 for mounting the front glass 20 is provided on a front surface of the outer frame 14.
  • the front glass 20 may be made of tempered glass. Due to the nature of the tempered glass, front and rear surfaces of the front glass 20 have a high strength, but it has a disadvantage that a circular outer circumferential surface, which is a side surface of the front glass 20, has a low strength.
  • the mounting guide 34 may be disposed to protrude forward from a front outer circumferential end of the outer frame 14 to surround an outer circumferential surface of the front glass 20, to support the load of the front glass 20 as well as to protect a side surface of the front glass 20 from an external shock.
  • a protruding length of the mounting guide 34 may be defined to cover at least 2/3 of the thickness of the front glass 20.
  • a straight portion 202 and a plurality of curved portions 201, 203 may be arranged on an outer circumferential surface of the front glass 20 (see FIG. 7 ).
  • the plurality of curved portions 201, 203 may include a first curved portion 201 connected to a front surface of the front glass 20 and a second curved portion 203 connected to a rear surface of the front glass 20.
  • Each of the curved portions 201, 203 has a preset curvature and is defined in a curved shape.
  • the straight portion 202 is disposed between the first and second curved portions 201, 203 and connected to the plurality of curved portions 201, 203, respectively.
  • Each of the first curved portion 201, the straight portion 202, and the second curved portion 203 may be 1/3 of the thickness of the front glass 20.
  • the mounting guide 34 may be configured to cover the second curved portion 203 and the straight portion 202 of the front glass 20.
  • the mounting guide 34 may protrude from a front edge portion of the outer frame 14.
  • the mounting guide 34 extends in a ring shape to define a space in which the front glass 20 is accommodated.
  • the mounting guide 34 has a preset inner diameter to define a circle.
  • An inner diameter of the mounting guide 34 corresponds to an outer diameter of the front glass 20, and thus the mounting guide 34 is configured to surround an outer circumferential surface of the front glass 20.
  • the mounting guide 34 may be disposed to protrude to a predetermined thickness so as to define the same plane as the front surface of the front glass 20. According to this configuration, a step between the mounting guide 34 and the front glass 20 may be eliminated to implement a simpler appearance.
  • the transparent region 21 and the non-transparent region 22 may be disposed at inner and outer sides, e.g. radially inner and outer sides, of the front glass 20, respectively.
  • the transparent region 21 denotes a region, preferably around and including a center of the front glass 20, configured to transmit at least part of light so that the opposite side to the inside can be seen. Therefore, the transparent region 21 is a concept including a translucent region 21. In other words, transparent region 21, that may be generally circular in shape, allows a user to view an inside of the laundry accommodating portion, e.g. the drum, through the front panel 101.
  • the transparent region 21 may be disposed to correspond to the opening portion 18 of the outer frame 14, the opening portion 18 of the inner frame 19, and the door window 23. Therefore, while the door 12 is closed, the user may look into the laundry accommodating portion through the transparent region 21.
  • the center of the transparent region 21 is located at a position corresponding to the center of the opening portion 18 of each of the outer frame 14 and the inner frame 19.
  • the corresponding position includes not only the perfect coincidence of the center, but also the same in the eccentric direction of the center.
  • the center of the transparent region 21 and the center of the opening portion 18 may coincide, and the eccentric direction of the transparent region 21 may be the same as the eccentric direction of the opening portion 18.
  • the center of the opening portion 18 is eccentrically located from the center of the door frame 13 to the upper side (12 o'clock direction), and correspondingly, the center of the transparent region 21 is also located from the center of the front glass 20 to the upper side (12 o'clock direction).
  • the center of the transparent region 21 and the center of the opening portion 18 may coincide.
  • the non-transparent region 22 is disposed to surround the transparent region 21, and the non-transparent region 22 does not transmit light therethrough, and the glass itself may appear black.
  • the non-transparent region 22 may be disposed to cover the remaining portion of the door frame 13 except for the opening portion 18 and part of the door frame 13.
  • a boundary line between the transparent region 21 and the non-transparent region 22 surrounding the transparent region 21 may be clearly distinguished by the non-transparent region 22.
  • the boundary between the transparent region 21 and the non-transparent region 22 may be blurred through a halftone technique, thereby allowing a movement from the transparent region 21 to the non-transparent region 22 to be visually transitioned.
  • the non-transparent region 22 may include a plurality of shielding dots arranged around the transparent region 21, and the plurality of shielding dots may be arranged to have a lower density toward the transparent region 21.
  • the outer frame 14 may include a flat portion 15 and a curved portion 16.
  • the flat portion 15 may be in contact with a rear surface of the front glass 20, and part of the flat portion 15 may be disposed to overlap with the non-transparent region 22.
  • An adhesive may be applied to the flat portion 15 so that the front glass 20 can be adhered to the flat portion 15.
  • a filling groove 43 for filling an adhesive on a front surface of the flat portion 15 of the outer frame 14 may be concave in a thickness direction of the flat portion 15 on the front surface of the flat portion 15.
  • the adhesive may be accommodated in the adhesive filling groove 43, and a rear surface of the front glass 20 may be adhered to the flat portion 15 by the adhesive.
  • the adhesive may overflow to the outside or the inside of the adhesive filling groove 43 when the adhesive filling groove 43 is filled.
  • adhesive overflow grooves 441, 442 may be disposed to be concave in a ring shape on the inside and the outside of the adhesive filling groove 43, respectively (see FIG. 6 ).
  • the adhesive filling groove 43 and the plurality of adhesive overflow grooves 441, 442 may extend in a circumferential direction of the outer frame 14.
  • the adhesive filling groove 43 and the plurality of adhesive overflow grooves 441, 442 may be disposed outside the flat portion 15.
  • the non-transparent region 22 of the front glass 20 may be disposed to cover the adhesive filling groove 43 and the adhesive overflow grooves 441, 442 of the flat portion 15.
  • the plurality of adhesive overflow grooves 441, 442 may include a first adhesive overflow groove 441 and a second adhesive overflow groove 444.
  • the first adhesive overflow groove 441 may be defined in a ring shape on an outer side of the adhesive filling groove 43 in a radial direction.
  • the second adhesive overflow groove 442 may be defined in a ring shape at an inner side of the adhesive filling groove 43.
  • the plurality of adhesive overflow grooves 441, 442 accommodate the adhesive when the adhesive overflows after filling in the filling groove 43.
  • a plurality of water drain holes 48 may be arranged in a penetrating manner at a lower side of the flat portion 15 in a thickness direction to discharge water or moisture formed between a rear surface of the front glass 20 and a front surface of the outer frame 14 to an outside of the door 12 through the water drain holes 48.
  • the curved portion 16 may be defined to be curved in an arc shape having a predetermined curvature toward an outer circumference of the opening portion 18 of the inner frame 19 from an inner end of the flat portion 15.
  • An inner portion of the flat portion 15 and the curved portion 16 may be disposed to overlap with an outer edge portion of the transparent region 21.
  • the opening portion 18 may be disposed at an inner side of the curved portion 16 in a radial direction.
  • the mounting guide 34 may protrude from the flat portion 15 along a circumferential direction at the outermost portion of the flat portion 15.
  • the mounting guide 34 of the outer frame 14 may be configured to surround an outer edge of the front glass 20, thereby preventing the outer edge of the front glass 20 from be released radially outward from the flat portion 15 of the outer frame 14.
  • a plating layer 17 may be disposed on front and outer circumferential surfaces of the outer frame 14 by chromium plating.
  • the outer frame 14 is completely immersed in a chromium plating solution, and thus the plating layer 17 may be disposed on the entire surface of the outer frame 14 by chromium plating.
  • the plating layer 17 is configured to coat the outer frame 14 with a silver polished metal color. According to this, the plating layer 17 may obtain an effect which looks like a circular droplet by bright silver. In addition, the plating layer 17 may cause a sense of high quality and the like when viewed with the naked eye.
  • the door window 23 may be disposed to correspond to the laundry input port 102 while the door 12 is closed.
  • the door window 23 may be mounted to the door frame 13 to correspond to the opening portion 18 of the inner frame 19.
  • the door window 23 is made of a transparent material, for example, a synthetic resin material having a light transmitting property, so that an inner space of the laundry accommodating portion such as a drum can be visually seen through the door window 23.
  • the door window 23 may not be necessarily limited to a synthetic material but may also be made of a glass material.
  • An outer edge portion of the door window 23 may be inserted and coupled between the outer frame 14 and the inner frame 19.
  • the outer edge portion of the door window 23 may have a flat shape, and may be disposed and fixed between a rear end of the curved portion 16 of the outer frame 14 and an inner end of the inner frame 19.
  • Part of the outer frame 14 and the inner frame 19 may protrude forward from the recess portion 103 in the closed state of the door 12, and the other part of the outer frame 14 and the inner frame 19 may be provided to be accommodated in the recess portion 103.
  • the flat portion 15 of the outer frame 14 may be disposed outside the recess portion 103, but may protrude forward from the recess portion 103, and a rear end portion of the curved portion 16 of the outer frame 14 may be accommodated inside the recess portion 103.
  • a front portion of an outer circumference of the inner frame 19 may protrude outward from the recess portion 103, and a rear portion of the outer circumference portion of the inner frame 19 may be accommodated in the recess portion 103.
  • the front glass 20 may be spaced apart in an outward-forward direction from the recess portion 103, and disposed vertically.
  • the door 12 may be rotatably provided in a front-rear direction with respect to the main body 10 by the hinge unit 24.
  • the hinge unit 24 may include a hinge 25, a hinge holder 28, and a bush 29.
  • the hinge 25 may be fixed to the main body 10, and rotatably coupled to the door frame 13.
  • the hinge 25 may include a plate-shaped base portion 26 coupled to the main body 10, and a rotation coupling portion 27 protruding from the base portion 26 and rotatably coupled to the door frame 13.
  • a plurality of rotation coupling portions 27 may be provided and spaced apart in a vertical direction.
  • the hinge holder 28 may be coupled to the door frame 13 to support the rotation coupling portions 27 to prevent the rotation coupling portion 27 from being released from the door frame 13.
  • a bush 29 may be inserted into the rotating shaft of the rotary coupling portion 27 to efficiently rotate the rotating shaft.
  • the hinge unit 24 may be mounted at one side of the door 12, and the locking unit 30 may be provided at the other side of the door 12.
  • the locking unit 30 is configured to lock or unlock the door 12 to the body 10.
  • the locking unit 30 may include a shaft 31, a door latch 32 (door latch) and a spring 33.
  • the shaft 31 may be configured to pass through the door latch 32, and mounted on the door frame 13.
  • the spring 33 has an elastic force to be retractable during the rotation of the door latch 32.
  • the door latch 32 may be configured to be rotatable and restorable to the door frame 13 so as to lock or unlock the door 12 to the main body 10.
  • FIG. 4 is a conceptual view showing a rear surface of the door 12 in FIG. 2
  • FIG. 5 is a cross-sectional view showing a state in which the door 12 is mounted on the front panel 101 of the main body 10 to close the laundry input port 102
  • FIG. 6 is a conceptual view showing a hook fastening structure between the outer frame 14 and the inner frame 19 by taking a cross section along line VI-VI in FIG. 4
  • FIG. 7 is a conceptual view showing a hook fastening structure between the outer frame 14 and the inner frame 19 provided with a handle 35 by taking a cross section along line VII-VII in FIG. 4
  • FIG. 8 is a conceptual view showing a state in which a hook is partially disposed on the handle 35 as the inner frame 19 in FIG. 4 is seen from the front.
  • FIG. 5 shows a state in which the control unit of FIG. 1 is removed from an upper side of the front panel 101.
  • the handle 35 is disposed in a recessed manner on a rear upper side of the inner frame 19 for the user to open the door 12 by pulling the handle 35.
  • a rear surface of the inner frame 19 may be defined to be convex rearward in a curved shape.
  • the handle 35 is provided on the door 12 for the user to open and close the door 12.
  • the handle is generally provided at a front side of the door.
  • the front glass 20 is provided to cover a front surface of the door 12, it is difficult to provide the handle 35 on the front glass 20.
  • the handle 35 is not provided on the front surface of the door 12 due to the front glass 20, and preferably provided on a rear surface of the door 12.
  • the handle 35 is provided on the inner frame 19.
  • the handle 35 is preferably provided at an upper portion of the door 12 for the user to easily pull the door 12. Because, when the handle 35 is provided at a lower portion of the door 12, the user has to bend his or her waist and knees more to pull the handle 35.
  • the hinge unit 24 and the locking unit 30 are respectively provided at left and right sides of the door frame 13 along a horizontal center line that horizontally passes through the center of the door frame 13 in a radial direction, they - i.e. the hinge unit 24 and the locking unit 30 - are preferably positioned higher than the horizontal center line.
  • the handle 35 is preferably disposed above the door frame 13 to be higher than the locking unit 30 in order to open and close the door 12 with a little force.
  • the handle 35 may be disposed at an rear upper side of the inner frame 19. While the door 12 is closed, the handle 35 may be disposed at an upper right side to be higher than the locking unit 30 when viewed from the front of the main body 10, that is, within a section between 1 o'clock and 3 o'clock along a circumferential direction in a clockwise direction.
  • the handle 35 may be disposed in a recessed manner on a rear surface of the inner frame 19.
  • the handle 35 may be defined in an arc shape along a partial section in a circumferential direction on a rear surface of the inner frame 19.
  • the handle 35 may be defined in a thin and flat shape compared to an outer circumference of the inner frame 19 (a portion other than the handle 35).
  • the handle 35 when the door 12 is closed by the user, the handle 35 is recessed forward compared to a rear outer circumference of the inner frame 19 and defined in a flat shape when viewed from the front of the main body 10, thereby facilitating the insertion of the user's hand into the handle 35 as well as facilitating the identification of the position of the handle 35 in the closed state of the door 12.
  • hooks 37, 36 are disposed on the outer frame 14 and the inner frame 19, respectively.
  • the hooks 37, 36 may include a first hook 37 provided on the outer frame 14 and a second hook 36 provided on the inner frame 19. Each of the first hook 37 and the second hook 36 may be defined in a ring shape along a circumferential direction.
  • the first hook 37 may protrude from the outer frame 14 toward the inner frame 19.
  • the first hook 37 may be disposed outside in a radial direction of the mounting guide 34 to surround the outer circumference of the inner frame 19.
  • the first hook 37 may be disposed outside the mounting guide 34 when viewed from the front of the main body 10.
  • the mounting guide 34 and the first hook 37 are integrally connected by the extension portion 341.
  • the extension portion 341 extends from the mounting guide 34 to the first hook 37.
  • the extension portion 341 extends from the mounting guide 34 to the first hook 37 to gradually increase in diameter.
  • the extension portion 341 is defined in a curved shape.
  • Each of the mounting guide 34, the first hook 37, and the extension portion 341 extends along a circumferential direction of the outer frame 14.
  • the mounting guide 34, the extension portion 341 and the first hook 37 may define the outer circumferential surface of the outer frame 14 in one curved shape to cover the inner frame 19 so as to cover up the main body 10 when seen from the front of the main body 10, thereby beautifying the appearance of the door 12.
  • Each of the mounting guide 34, the extension portion 341 and the first hook 37 may be defined in a curved or inclined surface shape so that the diameter increases gradually from the mounting guide 34 to the first hook 37 without wrinkles or steps.
  • the first hook 37 and the second hook 36 may be disposed to radially overlap with each other.
  • the first hook 37 may have a larger diameter than the second hook 36, and the second hook 36 may be inserted into the first hook 37.
  • a mounting groove 191 may be disposed between an outer circumferential end of the inner frame 19 and the second hook 36 along a circumferential direction.
  • the second hook 36 is disposed in a stepped manner radially inward from the outer circumferential end of the inner frame 19.
  • a radial height of the mounting groove 191 may be disposed to be the same or similar to a thickness of the first hook 37.
  • the first hook 37 protrudes backward from an outer circumference of the outer frame 14 toward the inner frame 19.
  • a hook protrusion 371 may protrude radially inward toward the second hook 36 on an inner circumferential surface of the first hook 37.
  • the second hook 36 protrudes forward from an outer circumference of the inner frame 19 toward the outer frame 14.
  • a hook protrusion 361 may protrude radially outward toward the first hook 37 on an outer circumferential surface of the second hook 36.
  • the hook protrusion 371 of the first hook 37 and the hook protrusion 361 of the second hook 36 may protrude parallel to each other in a radial direction.
  • the hook protrusions 371, 361 may be defined in a wedge shape at each end portion of each of the first hook 37 and the second hook 36.
  • the hook protrusion 371 of the first hook 37 and the hook protrusion 361 of the second hook 36 may be disposed to overlap with each other in an axial direction.
  • the hook protrusions 371, 361 facilitate engagement between the first hook 37 and the second hook 36 toward each other but do not allow them from being released from each other in opposite directions.
  • Each of the hook protrusion 371 of the first hook 37 and the hook protrusion 361 of the second hook 36 may be configured with a first inclined surface in contact with each other prior to fastening and a second inclined surface disposed to be inclined on an opposite side of the first inclined surface to be in contact with each other subsequent to fastening.
  • the first inclined surface and the second inclined surface change the inclinations of the hook protrusions 371 and 361 in opposite directions with respect to the vertices of the hook protrusions 371 and 361, respectively.
  • the inclinations of the first inclined surface and the second inclined surface may be different from each other.
  • the first inclined surface of each of the hook protrusions 371, 361 facing each other prior to fastening may be disposed to have a lower slope than the second inclined surface of each of the hook protrusions 371 and 361 facing each other subsequent to fastening.
  • the second inclined surface of each of the hook protrusions 371 and 361 facing each other subsequent to fastening may be disposed to have a higher slope than the first inclined surface of each of the hook protrusions 371, 361 facing each other prior to fastening.
  • the first hook 37 and the second hook 36 may move toward each other in an axial direction to engage the hook protrusions 371, 361 with each other, thereby fastening the outer frame 14 and the inner frame 19.
  • the wedge-shaped hook protrusions 371, 361 may facilitate engagement between the first hook 37 and the second hook 36 toward each other but prevent them from being released from each other in opposite directions as long as there is no damage of the first hook 37 or the second hook 36.
  • the outer frame 14 is provided with an elastic groove 38 and a pressing portion to support the heavy load front glass 20 and to firmly maintain a hook fastening structure between the outer frame 14 and the inner frame 19.
  • the pressing portion may include a plurality of pressing ribs 39, connecting ribs 40, and support ribs 41.
  • the elastic groove 38 may be disposed radially inward from the first hook 37 on a rear surface of the outer frame 14.
  • the elastic groove 38 may be disposed to be concave in a thickness direction of the flat portion 15 on a rear surface of the flat portion 15 of the outer frame 14.
  • the elastic groove 38 is configured to be more concave in a thickness direction of the flat portion 15 at an inner side of the first hook 37 so that the thickness of the first hook 37 becomes thiner, thereby allowing the first hook 37 to be elastically deformed radially outward.
  • the hook protrusion 371 of the first hook 37 may spread outward in a radial direction while the hook protrusion 371 of the first hook 37 and the hook protrusion 361 of the second hook 36 are brought into contact with each other, thereby facilitating the the hook protrusion 361 of the second hook 36 to enter an inside of the hook protrusion 371 of the first hook 37.
  • a plurality of pressing ribs 39 may be arranged on a rear surface of the flat portion 15.
  • the pressing ribs 39 are configured to protrude from a rear surface of the flat portion 15 to be brought into contact with an inner circumferential surface of the second hook 36 so as to press the second hook 36 when fastening between the first hook 37 and the second hook 36.
  • the pressing ribs 39 may be arranged to be spaced apart from each other in a circumferential direction of the flat portion 15.
  • the pressing ribs 39 press an inner circumferential surface of the second hook 36 radially outward when fastening between the first hook 37 and the second hook 36. Accordingly, since the second hook 36 is not pushed inward in a radial direction, a fastening state between the outer frame 14 and the inner frame 19 may be firmly maintained without being axially released from each other after the hook protrusions 361, 371 of each of the first hook 37 and the second hook 36 are fastened to each other.
  • the pressing ribs 39 may press the second hook 36, thereby enhancing a coupling force between the outer frame 14 and the inner frame 19.
  • the pressing ribs 39 are located radially inward from the elastic grooves 38 on a rear surface of the outer frame 14.
  • An entry guide surface 391 may be disposed to be inclined toward the elastic groove 38 on a rear surface of the pressing rib 39.
  • the entry guide surface 391 may guide the movement of the second hook 36 to guide the second hook 36 to be inserted between the pressing rib 39 and the first hook 37.
  • the entry guide surface 391 may facilitate the entry of second hook 36 into first hook 37, thereby improving assembly performance.
  • the connecting rib 40 may protrude in a rearward direction on a rear surface of the outer frame 14, and may extend along a circumferential direction in a ring shape.
  • the connecting rib 40 is configured to connect the plurality of pressing ribs 39.
  • the connecting rib 40 may protrude from an opposite side of the first adhesive overflow groove 441 toward the inner frame 19 on a rear surface of the flat portion 15.
  • connecting ribs 40 may be disposed to overlap in a thickness direction of the first adhesive overflow groove 441 and the flat portion 15.
  • the connecting rib 40 may reinforce the reduction of rigidity caused by a smaller thickness of one side of the flat portion 15 due to the adhesive overflow groove 441.
  • the elastic groove 38 may be disposed between the connecting rib 40 and the first hook 37.
  • the elastic groove 38 may have an inner inclined surface disposed to be inclined so that a thickness of the flat portion 15 gradually decreases from the connecting rib 40 to the first hook 37.
  • a plurality of support ribs 41 may protrude from a rear surface of the outer frame 14.
  • the plurality of support ribs 41 may have a trapezoidal plate structure to extend vertically in a radial direction.
  • the plurality of support ribs 41 may be spaced apart in a circumferential direction. One side of each of the plurality of support ribs 41 may be integrally connected to a rear surface of the flat portion 15. An outer surface perpendicular to one side of the support ribs 41 is integrally connected to the connecting rib 40, and thus the plurality of support ribs 41 may be connected to one another by the connecting rib 40. The other side of the support ribs 41 positioned on a side opposite to the one side of the support ribs 41 may be disposed in parallel to the flat portion 15.
  • the plurality of support ribs 41 may be integrally arranged to be in direct contact with an inner surface of the connecting rib 40 and the flat portion 15 so as to firmly support the connecting rib 40 and the pressing ribs 39.
  • the plurality of pressing ribs 39 and the plurality of support ribs 41 may be disposed to face each other in a radial direction inner and outer sides of the connecting rib 40 by interposing the connecting rib 40 therebetween.
  • the plurality of support ribs 41 may be arranged to overlap with each other in a thickness direction of the adhesive filling groove 43 and the flat portion 15 on a rear surface of the flat portion 15.
  • the support ribs 41 may compensate for the weakening of the rigidity of the flat portion 15 due to the adhesive filling groove 43.
  • a reinforcing rib 42 may protrude from an opposite side of the second adhesive overflow groove 442 disposed at an inner side of the adhesive filling groove 43 between a plurality of adhesive overflow grooves 441, 442 on a rear surface of the flat portion 15.
  • the reinforcing rib 42 may be disposed to overlap with the second adhesive overflow groove 442 in a thickness direction of the flat portion 15.
  • the reinforcing rib 42 may compensate for the weakening of the flat portion 15 due to the adhesive overflow groove.
  • the handle 35 which is part of the inner frame 19, has a lower thickness than a portion other than the handle 35 on an outer edge portion of the inner frame 19.
  • the handle 35 does not axially cover an outer surface of the first hook 37 of the outer frame 14.
  • a hook fastening structure between the handle 35 and the outer frame 14 is somewhat different from a hook fastening structure between the inner frame 19 and the outer frame 14.
  • a plurality of second hooks 47 of the handle 35 may be spaced apart in a circumferential direction of the handle 35.
  • Each of the plurality of second hooks 47 arranged on the handle 35 may have different lengths in a circumferential direction.
  • the first hook 46 of the outer frame 14 and the second hook 47 of the handle 35 may protrude in parallel to each other in a radial direction.
  • the first hook 46 of the outer frame 14 may protrude radially inward from an inner circumferential surface of the outer frame 14, and the second hook 47 of the handle 35 may protrude radially outward from an outer circumferential surface of the handle 35.
  • the first hook 46 of the outer frame 14 and the second hook 47 of the handle 35 may be disposed to overlap in a thickness direction of the handle 35 to engage with each other in the thickness direction when the outer frame 14 and the inner frame 19 are fastened to each other.
  • a chamfer part 461 may be disposed to be inclined at a preset angle at one edge of the first hook 46.
  • a contact portion 462 may be disposed substantially vertically at the other side of the first hook 46.
  • the chamfer part 471 may be disposed to be inclined at a preset angle at one edge of the second hook 47 of the handle 35.
  • the contact portion 472 may be disposed substantially vertically at the other side of the second hook 47 of the handle 35.
  • the contact portions 462, 472 of each of the first hook 46 of the outer frame 14 and the second hook 47 of the handle 35 are in contact with each other substantially vertically, thereby preventing them from being released from each other.
  • the elastic groove 38 is disposed to be concave in a thickness direction on a rear surface of the flat portion 15 of the outer frame 14, and thus the first hook 46 is elastically deformable radially outward by the elastic groove 38 when the first hook 46 is inserted into and coupled to an inside of the second hook 47.
  • the second hook 36 may easily enter an inside of the first hook 37 by the chamfer parts 461, 471.
  • first hook 37 and the second hook 36 may be prevented from being released from each other by the contact portions 462, 472.
  • a reinforcing rib 45 may protrude toward the second adhesive overflow groove 442 at one side of the handle 35.
  • the reinforcing rib 42 may be disposed to be in contact with an opposite side of the second adhesive overflow groove 442.
  • the reinforcing rib 45 of the handle 35 may compensate for the weakening of the strength of the flat portion 15 caused by a smaller thickness of the flat portion 15 due to the second adhesive overflow groove 442.
  • the reinforcing rib 42 may serve as a spacer for maintaining a constant gap between the handle 35 and the flat portion 15, thereby reducing the thickness of the handle 35.
  • the reinforcing rib 42 may not only reinforce the strength of the handle 35 even when the thickness of the handle 35 is reduced, but also maintain a contact state between the contact portion 462 of the first hook 46 and the contact portion 472 of the second hook 47.
  • coupling and assembly performance between the outer frame 14 and the inner frame 19 may be improved by a fastening structure of the first hook 46 of the outer frame 14 and the second hook 47 of the handle 35.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
EP20152156.4A 2019-02-01 2020-01-16 Laundry treating apparatus comprising a door Active EP3690122B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20190014064 2019-02-01
KR1020190058238A KR20200096040A (ko) 2019-02-01 2019-05-17 의류처리장치
KR1020190127328A KR102333382B1 (ko) 2019-02-01 2019-10-14 의류처리장치

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EP3690122A1 EP3690122A1 (en) 2020-08-05
EP3690122B1 true EP3690122B1 (en) 2022-03-02

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KR (8) KR20200096040A (ko)
RU (4) RU2723054C1 (ko)

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CN116134040A (zh) 2020-07-31 2023-05-16 株式会社Lg化学 有机锌化合物制备方法、链转移剂、嵌段共聚物和树脂组合物
KR102600993B1 (ko) * 2021-07-19 2023-11-10 (주) 세명유리 유리패널의 장착구조
DE102022205165A1 (de) * 2022-05-24 2023-11-30 BSH Hausgeräte GmbH Wäschepflegegerät zum Pflegen von Gegenständen

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JP6894990B2 (ja) 2021-06-30
KR20200096075A (ko) 2020-08-11
KR102333383B1 (ko) 2021-12-03
KR20200096161A (ko) 2020-08-11
EP3690122A1 (en) 2020-08-05
JP7033154B2 (ja) 2022-03-09
RU2726684C1 (ru) 2020-07-15
KR20200096040A (ko) 2020-08-11
JP6906074B2 (ja) 2021-07-21
RU2734357C1 (ru) 2020-10-15
KR20200096077A (ko) 2020-08-11
KR20200096078A (ko) 2020-08-11
JP6978526B2 (ja) 2021-12-08
KR20200096160A (ko) 2020-08-11
KR102333382B1 (ko) 2021-12-03
JP2020124488A (ja) 2020-08-20
JP2020124491A (ja) 2020-08-20
RU2726686C1 (ru) 2020-07-15
KR102346449B1 (ko) 2022-01-03
JP2020124489A (ja) 2020-08-20
KR20220004610A (ko) 2022-01-11
KR20200096076A (ko) 2020-08-11
KR102346444B1 (ko) 2022-01-05
RU2723054C1 (ru) 2020-06-08
KR102450183B1 (ko) 2022-10-06
JP2020124490A (ja) 2020-08-20

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