EP2327824B1 - Trommelwaschmaschine mit Scharniereinheiten - Google Patents

Trommelwaschmaschine mit Scharniereinheiten Download PDF

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Publication number
EP2327824B1
EP2327824B1 EP10189604.1A EP10189604A EP2327824B1 EP 2327824 B1 EP2327824 B1 EP 2327824B1 EP 10189604 A EP10189604 A EP 10189604A EP 2327824 B1 EP2327824 B1 EP 2327824B1
Authority
EP
European Patent Office
Prior art keywords
door
hinge
unit
washing machine
rotation shaft
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.)
Not-in-force
Application number
EP10189604.1A
Other languages
English (en)
French (fr)
Other versions
EP2327824A1 (de
Inventor
Jeoung Kyo Jeoung
In Ju Lee
Hoon Wee
Jun Yoo Chang
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to PL10189604T priority Critical patent/PL2327824T3/pl
Publication of EP2327824A1 publication Critical patent/EP2327824A1/de
Application granted granted Critical
Publication of EP2327824B1 publication Critical patent/EP2327824B1/de
Not-in-force 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
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle 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
    • 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
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/10—Hook fastenings; Fastenings in which a link engages a fixed hook-like member
    • 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
    • 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

  • Embodiments relate to a drum washing machine using two doors to reduce vibration.
  • a drum washing machine washes laundry through tumbling of the laundry in a rotary tub during rotation of the rotary tub.
  • the drum washing machine includes a water tub elastically supported in a machine body, a rotary tub rotatably mounted in the tub, a motor mounted at the rear of the water tub to drive the rotary tub, a water supply device to supply water, and a drainage device to drain water.
  • a laundry introduction port through which laundry is introduced into the rotary tub.
  • openings corresponding to the laundry introduction port are provided at the fronts of the water tub and the rotary tub.
  • the laundry introduction port of the machine body is connected to the opening of the water tub via a diaphragm, and a door is mounted at the laundry introduction port, to prevent leakage of wash water during washing and spin-drying cycles.
  • the diaphragm exhibits nonlinearity and large deformation properties.
  • vibration generated from the water tub is transmitted to the machine body via the diaphragm, with the result that the machine body is vibrated.
  • GB 2 360 297 A discloses a laundry appliance with snap-fit hinge.
  • an imbalance of the drum caused by uneven distribution of the laundry can cause some vibration of the interior container.
  • the interior container may be mounted in the outer casing so as to allow a limited amount of movement there between to avoid such vibration being transmitted to the outer casing.
  • One means for avoiding such vibrations is, for example, to mount the interior container and the outer casing by way of tension springs.
  • the hinge comprises at least one resilient portion whereby the door is releasable from the appliance in a snap-fit manner.
  • the drum washing machine may further include a coupling unit to couple the first door and the second door such that the second door is simultaneously opened when the first door is opened.
  • the coupling unit may be provided at the first door, and the coupling unit may include a hook unit configured to be hooked by and released from a hook coupling part provided at the second door.
  • the coupling unit may further include an actuator to release the hook unit.
  • the actuator may include a drive motor, a wire coupled to the drive motor, and an idle gear configured to be rotated by movement of the wire, and the hook unit may be rotated about a hook rotation shaft. Also, hook unit may be provided at one end thereof with a gear engaged with the idle gear and at the other end thereof with a hook coupled to the second door.
  • the actuator may release the hook unit during an operation of the drum washing machine in a state in which the first opening and the second opening are closed.
  • the coupling unit may further include a hook holding lever to hold the hook unit released by the actuator to maintain a released state of the hook unit.
  • the second hinge unit may have a rotation center located on the same axis as the rotation center of the first door.
  • the first hinge unit may include first hinge arms provided at the machine body such that the first hinge arms are vertically spaced apart from each other, each of the first hinge arms having a first rotation shaft hole formed at an end thereof, and second hinge arms provided at the first door such that the second hinge arms are vertically spaced apart from each other, each of the second hinge arms having a second rotation shaft hole formed at an end thereof such that the second rotation shaft hole is aligned with the corresponding first rotation shaft hole.
  • the first hinge unit may further include a first hinge shaft coupling the first hinge arms and the second hinge arms at the first and second rotation shaft holes.
  • the second hinge unit may include third hinge arms provided at the tub such that the third hinge arms are vertically spaced apart from each other, the third hinge arms extending from the tub toward a front of the machine body such that the third hinge arms reach positions corresponding to the first rotation shaft holes, each of the third hinge arms having a third rotation shaft hole formed at an end thereof, and fourth hinge arms provided at the second door such that the fourth hinge arms are vertically spaced apart from each other, the fourth hinge arms being bent from the second door and extending toward the front of the machine body, each of the fourth hinge arms having a fourth rotation shaft hole formed at an end thereof such that the fourth rotation shaft hole is aligned with the corresponding third rotation shaft hole.
  • the second hinge unit may further include a second hinge shaft coupling the third hinge arms and the fourth hinge arms at the third and fourth rotation shaft holes
  • the first door may be rotated about a first rotation shaft of the first hinge unit
  • the second door may be rotated about a second rotation shaft of the second hinge unit
  • the second hinge unit may include a second hinge arm curvedly protruding from one side of the second door in a lateral direction thereof, the second hinge arm having a curved guide groove in which the second rotation shaft is disposed such that the second rotation shaft is guided along the guide groove.
  • the guide groove may have a regular radius of rotation about the first rotation shaft.
  • the second hinge unit may include a hinge bracket fixed to the tub, the hinge bracket having a first link shaft, a first link plate having one end rotatably coupled to the first link shaft and the other end coupled to a second link shaft, a second link plate rotatably coupled to the second link shaft, the second link plate being curved toward the first link shaft, the second link plate having a second hinge shaft provided at the end thereof, and a second hinge arm curvedly protruding from one side of the second door in a lateral direction thereof such that the second hinge arm is guided along support planes provided at a top and bottom of the second link plate, the second hinge arm having a curved guide groove in which the second hinge shaft is disposed.
  • the first link shaft may be provided with a first torsion spring to elastically push the first link plate in a direction opposite to a direction in which the first link plate is rotated
  • the second link shaft may be provided with a first torsion spring to elastically push the second link plate in a direction identical to a direction in which the second link plate is rotated.
  • the first door may be provided with a coupling unit to couple the first door and the second door such that the second door is simultaneously opened when the first door is opened.
  • the coupling unit may include a hook unit configured to be hooked by and released from a hook coupling part provided at the second door.
  • the coupling unit may further include an actuator to actuate the hook unit to be released from the hook coupling part and a hook holding lever to hold the hook unit released by the actuator.
  • the actuator may release the hook unit during an operation of the drum washing machine.
  • a drum washing machine includes a machine body 10 forming the external appearance thereof, a water tub 20 mounted in the machine body 10 to contain wash water, and a rotary tub (drum) 14 rotatably mounted in the water tub 20, the rotary tub 14 having a plurality of spin-drying holes formed therethrough.
  • a control panel 15 to control the drum washing machine may be provided at the upper front of the machine body 10, although is not limited to such placement.
  • a detergent box 16 may be mounted at one side of the control panel 15, although is not limited to such placement.
  • a water supply device 17 to supply wash water to the detergent box 16 and the water tub 20.
  • a drainage device 18 to drain wash water from the water tub 20 to the outside of the machine body 10.
  • a drive unit 19 to rotate the rotary tub 14 such that washing, rinsing, and spin-drying cycles are performed in the rotary tub 14.
  • a front 13 of the machine body 10 may be provided a first opening 11 through which laundry is introduced and removed.
  • the water tub 20 may be disposed horizontally to the machine body 10.
  • a second opening 21 facing the first opening 11 of the machine body 10.
  • a first door 30 to open and close the first opening 11.
  • a first hinge unit 40 mounted at the machine body 10.
  • the first hinge unit 40 may rotatably support the first door 30 such that the first door 30 rotates about a rotational center 35 of the first hinge unit 40 in the frontward and rearward directions of the front 13 of the machine body 10 to open and close the first opening 11 of the machine body 10.
  • the outer circumference of the first door 30 tightly contacts the edge of the first opening 11 to maintain a hermetically-sealed state when the first opening 11 is closed by the first door 30.
  • a first window 31 At the center of the first door 30 may be provided a first window 31 through which a user may look into the rotary tub 14.
  • a second door 50 to open and close the second opening 21.
  • a second hinge unit 60 mounted at the water tub 20.
  • a gasket At the outer circumference of the second door 50 may be provided a gasket to maintain a hermetically-sealed state when the second opening 21 is closed by the second door 50.
  • a second window 51 At the center of the second door 50 may be provided a second window 51 through which a user may look into the rotary tub 14.
  • the second hinge unit 60 may rotatably support the second door 50 such that a second rotational track 53 of the second door 50 upon opening of the second door 50 is concentric to a first rotational track 33 of the first door 30 upon rotation of the first door 30 about the rotational center 35 of the first hinge unit 40.
  • a distance D between the first rotational track 33 formed by the end of the first door 30 and the second rotational track 53 formed by the end of the second door 50 may be uniform.
  • a center C1 of the first door 30 may coincide with a center C2 of the second door 50 when the first door 30 and the second door 50 are simultaneously opened.
  • the second hinge unit 60 may be formed in various shapes as long as the second hinge unit 60 rotatably supports the second door 50 such that the rotational center 35 of the second rotational track 53 of the second door 50 coincides with the rotational center 35 of the first rotational track 33 of the first door 30.
  • the first hinge unit 40 to rotatably support the first door 30 may include a first hinge arm 41 fixed to the machine body 10, the first hinge arm 41 having a first rotation shaft hole 43, and a second hinge arm 44 fixed to the first door 30, the second hinge arm 44 having a second rotation shaft hole 45 corresponding to the first rotation shaft hole 43.
  • the first hinge arm 41 curvedly protrudes from the machine body 10 toward the water tub 20.
  • the first rotation shaft hole 43 may be formed at the end of the first hinge arm 41.
  • the second hinge arm 44 may include a first arm portion 46 protruding rearward from the first door 30, a second arm portion 47 bent from the end of the first arm portion 46 and extending in the horizontal direction, and a third arm portion 48 bent from the end of the second arm portion 47 and extending toward the first door 30.
  • the second rotation shaft hole 45 is formed at the end of the third arm portion 48. Consequently, the second hinge arm 44 may be formed approximately in the shape of "[".
  • Two first hinge arms 41 may be disposed at the upper and lower sides of a first hinge bracket 49 mounted at the machine body 10 such that the first hinge arms 41 are vertically spaced apart from each other.
  • Two second hinge arms 44 may be disposed at the upper and lower sides of the first door 30 such that the second hinge arms 44 are vertically spaced apart from each other.
  • the first rotation shaft hole 43 of the first hinge arm 41 and the second rotation shaft hole 45 of the second hinge arm 44 are arranged adjacent to each other, and a first hinge shaft 42 is inserted through the first rotation shaft hole 43 and the second rotation shaft hole 45.
  • the second hinge unit 60 to rotatably support the second door 50 may include a third hinge arm 61 fixed to the water tub 20, the third hinge arm 61 having a third rotation shaft hole 62, and a fourth hinge arm 64 fixed to the second door 50, the fourth hinge arm 64 having a fourth rotation shaft hole 65.
  • the third hinge arm 61 protrudes from the water tub 20 toward the front of the machine body 10.
  • the third rotation shaft hole 62 may be formed at the end of the third hinge arm 61.
  • the third hinge arm 61 may extend to a position corresponding to the first rotation shaft hole 43 of the first hinge arm 41 fixed to the machine body 10 such that the first rotation shaft hole 43 and the third rotation shaft hole 62 have the same rotational axis 68. Consequently, the rotational center of the first door 30 and the rotational center of the second door 50 are located on the same axis.
  • the fourth hinge arm 64 may include a first arm portion 66 extending laterally from one side of the second door 50 and a second arm portion 67 bent from the end of the first arm portion 66 and extending toward the front of the machine body 10.
  • the fourth rotation shaft hole 65 may be formed at the end of the second arm portion 67.
  • the third hinge arm 61 and the fourth hinge arm 64 may be coupled to each other by a second hinge shaft 63 inserted through the third rotation shaft hole 62 and the fourth rotation shaft hole 65 to rotatably support the second door 50 at one side of the water tub 20.
  • the rotational center of the first hinge unit 40 and the rotational center of the second hinge unit 60 coincide with each other. Therefore, when the first door 30 and the second door 50 are opened, as shown in FIG. 3 , the rotational tracks formed by the ends of the first door 30 and the second door 50 are concentric, with the result that relative movement between the first door 30 and the second door 50 does not occur during rotation of the first door 30 and the second door 50.
  • a coupling unit 70 to couple the first door 30 and the second door 50 such that the second door 50 is simultaneously opened upon opening of the first door 30 may be provided at the first door 30.
  • the coupling unit 70 may include a first hook unit 71 configured to be coupled to and released from the second door 50.
  • the first hook unit 71 may be coupled to a first hook coupling part 76 provided at the second door 50.
  • the first door 30 and the second door 50 When the first door 30 and the second door 50 are coupled to each other by the coupling unit 70, the first door 30 and the second door 50 may be simultaneously rotated. Consequently, a user may move only one of the doors, thereby improving user convenience.
  • the coupling unit 70 may include an actuator 80 to release the first hook unit 71 and a hook holding lever 90 to hold the first hook unit 71 released by the actuator 80.
  • the first hook unit 71 may be rotated about a hook rotation shaft 72.
  • the first hook unit 71 may be provided at one end thereof with a gear 73.
  • the first hook unit 71 may be provided at the other end thereof with a hook 74 hooked by the first hook coupling part 76 provided at the second door 50.
  • the actuator 80 rotates the hook 74 about the hook rotation shaft 72 such that the hook 74 is released from the first hook coupling part 76 provided at the second door 50.
  • the actuator 80 may include a drive motor 81, a wire 83, for example, coupled to the drive motor 81 such that the wire 83 is pulled by the rotation of the drive motor 81, and an idle gear 85 coupled to the wire 83 such that the idle gear 85 is engaged with the gear 73 of the first hook unit 71. Also, a restoring spring 75 to restore the first hook unit 71 rotated by the actuator 80 to the original position thereof may be provided on the hook rotation shaft 72.
  • the hook holding lever 90 may hold the first hook unit 71 released from the first hook coupling part 76 to maintain a released state of the first hook unit 71.
  • the hook holding lever 90 may be rotated about a lever rotation shaft 91. At one end of the hook holding lever 90 may be provided a lever part 93 protruding to the side of the first door 30. At the other end of the hook holding lever 90 may be provided a catching part 95 to support the first hook unit 71. Also, a lever spring 97 to elastically push the hook holding lever 90 toward the first hook unit 71 may be provided on the lever rotation shaft 91.
  • the first hook unit 71 released from the first hook coupling part 76 by the actuator 80 is supported by the hook holding lever 90, thereby preventing consumption of power used for the actuator 80 to maintain the released state of the first hook unit 71.
  • a controller controls the first hook unit 71 of the coupling unit 70 to be rotated such that the coupling between the first door 30 and the second door 50 is released.
  • vibration from the water tub 20 is not transmitted to the machine body 10 via the first door 30.
  • FIG. 6 is a sectional view illustrating a door hinge structure according to at least one embodiment. Components of this embodiment identical to those of the previous embodiment are denoted by the same reference numerals, and a detailed description thereof is omitted.
  • a first door 30 may be rotated about a first rotation shaft 111 of a first hinge unit 110 mounted at a machine body 10, and a second door 50 may be rotated about a second rotation shaft 114 of a second hinge unit 113 mounted at a water tub 20.
  • the second hinge unit 113 may include a second hinge arm 116 curvedly protruding from one side of the second door 50 in the lateral direction thereof such that a second rotational track 115 of the second door 50 is concentric with a first rotational track 112 of the first door 30.
  • At the second hinge arm 116 may be provided a curved guide groove 117 in which the second rotation shaft 114 is disposed such that the second rotation shaft 114 is guided along the guide groove 117.
  • the guide groove 117 may have a regular radius of rotation R about the first rotation shaft 111 when the second door 50 is rotated.
  • FIGS. 7 to 10 are views illustrating a door hinge structure according to at least one embodiment. Components of this embodiment identical to those of the previous embodiments are denoted by the same reference numerals, and a detailed description thereof is omitted.
  • a second hinge unit 130 may further include a link structure to enable a second door 50 having a curved second hinge arm 131 to be easily opened and closed.
  • a first door 30 may be rotated about a first rotation shaft 121 of a first hinge unit 120 mounted at a machine body 10 to open and close a first opening 11, and the second door 50 may be rotated by a second hinge unit 130 mounted at a water tub 20 to open and close a second opening 21.
  • the second hinge unit 130 may include a hinge bracket 133 fixed to the water tub 20, the hinge bracket 133 having a first link shaft 135, a first L-shaped link plate 140 having one end coupled to the first link shaft 135 and the other end coupled to a second link shaft 141, and a second link plate 150 rotatably coupled to the portions of the second link shaft 141 protruding upward and downward from the first link plate 140, the second link plate 150 being curved toward the first link shaft 135 at a predetermined curvature, the second link plate 150 having a second hinge shaft 151 provided at the end thereof.
  • the first link plate 140 may be rotated counterclockwise about the first link shaft 135.
  • On the first link shaft 135 may be provided a first torsion spring 136 to elastically push the first link plate 140 in the clockwise direction, for example.
  • the second link plate 150 may be rotated clockwise about the second link shaft 141.
  • On the second link shaft 141 may be provided a second torsion spring 143 to elastically push the second link plate 150 in the clockwise direction, for example.
  • the embodiment is not limited to the torsion springs 136, 143 and may include any type of devices that pushes the first and second link plates 140, 150 in one direction.
  • the second link plate 150 may be provided at the top and bottom thereof with support planes 153 to support second hinge arms 131 curvedly protruding from one side of the second door 50 in the lateral direction thereof. At opposite sides of the support planes 153 may be provided ribs 155 to prevent the second hinge arms 131 located on the support planes 153 from being separated from the support planes 153.
  • the first link plate 140 is rotated counterclockwise about the first link shaft 135, and the second link plate 150 is rotated clockwise about the second link shaft 141.
  • the second hinge arms 131 are moved while guide grooves 132 of the second hinge arms 131 are guided by the second hinge shaft 151 in the rotation direction.
  • the second hinge unit 130 may rotate the second door 50 at a regular radius of rotation.
  • the second torsion spring 143 elastically pushes the second link plate 150 in the opening direction of the second door 50, and therefore, the second door 50 is easily opened.
  • the first door 30 and the second door 50 are simultaneously rotated without sliding between the first door 30 and the second door 50 upon opening of the first door 30 and the second door 50 through the structure of the embodiment of FIG. 4 in which the rotational center of the second door and the rotational center of the first door are located on the same axis, through the structure of the embodiment of FIG. 6 in which the second hinge unit has the curved hinge arm, or through the structure of the embodiment of FIGS. 7 to 10 in which the second hinge unit has the link structure.
  • the second hinge unit is not limited thereto and may be formed in any shape as long as the second hinge unit prevents relative movement between the first door 30 and the second door 50 upon simultaneous opening of the first door 30 and the second door 50.
  • vibration generated from the water tub of the drum washing machine is prevented from being transmitted to the machine body.
  • the size of the door to open and close the opening of the water tub of the drum washing machine may be increased, thereby improving user convenience.
  • the two doors of the drum washing machine are simultaneously rotated, thereby providing an aesthetically pleasing appearance.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Claims (14)

  1. Trommelwaschmaschine, umfassend: einen Maschinenkörper (10), der eine erste Öffnung (11) hat; einen Wasserbottich (20), der in dem Maschinenkörper angeordnet ist, wobei der Wasserbottich eine zweite Öffnung (21) hat, die der ersten Öffnung zugewandt ist; eine Trommel (14), die drehbar in dem Wasserbottich (20) angebracht ist, um Wäsche aufzunehmen; eine erste Tür (30), um die erste Öffnung zu öffnen und zu schließen; und eine zweite Tür (50), um die zweite Öffnung zu öffnen und zu schließen, wobei die Trommelwaschmaschine weiterhin umfasst:
    eine erste Scharniereinheit (40), die an dem Maschinenkörper (10) angebracht ist, um die erste Tür (30) drehbar zu lagern; und eine zweite Scharniereinheit (60), die an dem Wasserbottich (20) angebracht ist, um die zweite Tür (50) drehbar zu lagern, dadurch gekennzeichnet, dass ein Drehzentrum (35) einer Drehlinie (53, 115) der zweiten Tür (50) mit einem Drehzentrum einer Drehlinie (33, 112) der ersten Tür (30) während des Öffnens der zweiten Tür übereinstimmt.
  2. Trommelwaschmaschine nach Anspruch 1, dadurch gekennzeichnet, dass sie weiterhin eine Kopplungseinheit (70) umfasst, um die erste Tür (30) und die zweite Tür (50) derart zu koppeln, dass die zweite Tür gleichzeitig mit der ersten Tür geöffnet wird.
  3. Trommelwaschmaschine nach Anspruch 2, dadurch gekennzeichnet, dass die Kopplungseinheit (70) an der ersten Tür (30) vorgesehen ist und die Kopplungseinheit eine Hakeneinheit (71) umfasst, die dazu eingerichtet ist, an einem Hakenkopplungsteil (76), der an der zweiten Tür vorgesehen ist, eingehakt und davon gelöst zu werden.
  4. Trommelwaschmaschine nach Anspruch 3, dadurch gekennzeichnet, dass die Kopplungseinheit (70) weiterhin ein Stellglied (80) umfasst, um die Hakeneinheit (71) zu lösen.
  5. Trommelwaschmaschine nach Anspruch 4, dadurch gekennzeichnet, dass
    das Stellglied (8) einen Antriebsmotor (81), einen Draht (83), der mit dem Antriebsmotor gekoppelt ist, und ein Umlenkzahnrad (85) umfasst, das dazu eingerichtet ist, durch die Bewegung des Drahtes gedreht zu werden, und
    die Hakeneinheit (71) um eine Hakendrehwelle (72) gedreht wird, wobei die Hakeneinheit an ihrem einen Ende mit einem Zahnrad (73), das mit dem Umlenkzahnrad (85) in Eingriff steht, und an ihrem anderen Ende mit einem Haken (74) versehen ist, der mit der zweiten Tür (50) gekoppelt ist.
  6. Trommelwaschmaschine nach Anspruch 4, dadurch gekennzeichnet, dass das Stellglied (80) die Hakeneinheit (71) während einer Tätigkeit der Trommelwaschmaschine in einem Zustand freigibt, in dem die erste und die zweite Öffnung geschlossen sind.
  7. Trommelwaschmaschine nach Anspruch 6, dadurch gekennzeichnet, dass die Kopplungseinheit (70) weiterhin einen Hakenhaltehebel (90) zum Halten der Hakeneinheit (71) umfasst, der von dem Stellglied gelöst wird, um einen gelösten Zustand der Hakeneinheit beizubehalten.
  8. Trommelwaschmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die zweite Scharniereinheit (60) ein Drehzentrum (35) hat, das sich auf derselben Achse wie das Drehzentrum der ersten Tür (30) befindet.
  9. Trommelwaschmaschine nach Anspruch 8, dadurch gekennzeichnet, dass
    die erste Scharniereinheit (40) umfasst: erste Scharnierarme (41), die an dem Maschinenkörper (10) derart vorgesehen sind, dass die ersten Scharnierarme vertikal voneinander entfernt sind, wobei jeder der ersten Scharnierarme (41) ein erstes Drehwellenloch (43) hat, das an seinem Ende ausgebildet ist, und zweite Scharnierarme (44), die an der ersten Tür (30) derart vorgesehen sind, dass die zweiten Scharnierarme (44) vertikal voneinander beabstandet sind, wobei jeder der zweiten Scharnierarme ein zweites Drehwellenloch (45) hat, das an seinem Ende derart ausgebildet ist, dass das zweite Drehwellenloch (45) mit dem entsprechenden ersten Drehwellenloch (43) ausgerichtet ist, und
    die zweite Scharniereinheit (60) umfasst: dritte Scharnierarme (61), die an dem Wasserbottich (20) derart vorgesehen sind, dass die dritten Scharnierarme vertikal voneinander beabstandet sind, wobei sich die dritten Scharnierarme (61) von dem Wasserbottich zu einer Vorderseite des Maschinenkörpers (10) derart erstrecken, dass die dritten Scharnierarme Positionen erreichen, die den ersten Drehwellenlöchern (43) entsprechen, und jeder der dritten Scharnierarme (61) ein drittes Drehwellenloch (62) hat, das an seinem Ende ausgebildet ist, und vierte Scharnierarme (64), die an der zweiten Tür (50) derart vorgesehen sind, dass die vierten Scharnierarme (64) vertikal voneinander beabstandet sind, wobei die vierten Scharnierarme (64) von der zweiten Tür weggebogen sind und sich zu der Vorderseite des Maschinenkörpers (10) erstrecken, und jeder der vierten Scharnierarme ein viertes Drehwellenloch (65) hat, das an seinem Ende derart ausgebildet ist, dass das vierte Drehwellenloch (65) mit dem entsprechenden dritten Drehwellenloch (62) ausgerichtet ist.
  10. Trommelwaschmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die erste Tür (30) um eine erste Drehwelle (111) der ersten Scharniereinheit (110) gedreht wird, die zweite Tür (50) um eine zweite Drehwelle (114) der zweiten Scharniereinheit (113) gedreht wird und die zweite Scharniereinheit einen zweiten Scharnierarm (116) umfasst, der gekrümmt von einer Seite der zweiten Tür (50) in einer seitlichen Richtung derselben hervorragt, wobei der zweite Scharnierarm (116) eine gekrümmte Führungsrille (117) hat, in der die zweite Drehwelle (114) derart angeordnet ist, dass die zweite Drehwelle entlang der Führungsrille geführt ist.
  11. Trommelwaschmaschine nach Anspruch 10, dadurch gekennzeichnet, dass die Führungsrille (117) einen regelmäßigen Radius (R) der Drehung um die erste Drehwelle (111) hat.
  12. Trommelwaschmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die zweite Scharniereinheit (113) umfasst:
    eine Scharnierkonsole (133), die an dem Wasserbottich (20) befestigt ist, wobei die Scharnierkonsole eine erste Scharnierwelle (135) hat;
    eine erste Verbindungsplatte (140), deren eines Ende drehbar mit der ersten Verbindungswelle (135) gekoppelt ist und deren anderes Ende mit einer zweiten Verbindungswelle (141) gekoppelt ist;
    eine zweite Verbindungsplatte (150), die mit der zweiten Verbindungswelle (141) drehbar gekoppelt ist, wobei die zweite Verbindungsplatte hin zu der ersten Verbindungswelle gekrümmt ist und die zweite Verbindungsplatte (150) eine zweite Scharnierwelle (151) hat, die an ihrem Ende vorgesehen ist; und
    einen zweiten Scharnierarm (131), der gekrümmt von einer Seite der zweiten Tür (50) in einer seitlichen Richtung derselben hervorragt, so dass der zweite Scharnierarm entlang Führungsebenen (153) geführt ist, die auf einer Oberseite und einer Unterseite der zweiten Verbindungsplatte (150) vorgesehen sind, und der zweite Scharnierarm (131) eine gekrümmte Führungsrille hat, in der die zweite Scharnierwelle (141) angeordnet ist.
  13. Trommelwaschmaschine nach Anspruch 12, dadurch gekennzeichnet, dass die erste Verbindungswelle (135) mit einer ersten Torsionsfeder (136) versehen ist, um die erste
    Verbindungsplatte (140) in einer Richtung entgegengesetzt zu einer Richtung elastisch zu drücken, in der die erste Verbindungsplatte gedreht wird, und die zweite Verbindungswelle (141) mit einer zweiten Torsionsfeder (143) versehen ist, um die zweite Verbindungsplatte (150) elastisch in eine Richtung zu drücken, die mit einer Richtung identisch ist, in der die zweite Verbindungsplatte gedreht wird.
  14. Trommelwaschmaschine nach Anspruch 1, dadurch gekennzeichnet, dass ein Abstand (D) zwischen einer ersten Drehlinie (33, 112), die von einem Ende der ersten Tür (30) ausgebildet wird, und einer zweiten Drehlinie (53, 115), die von einem Ende der zweiten Tür (50) ausgebildet wird, beim Öffnen und Schließen der ersten Tür und der zweiten Tür einheitlich beibehalten wird.
EP10189604.1A 2009-11-25 2010-11-02 Trommelwaschmaschine mit Scharniereinheiten Not-in-force EP2327824B1 (de)

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EP2327824A1 (de) 2011-06-01
KR20110057920A (ko) 2011-06-01
CN102071556A (zh) 2011-05-25
US20110120195A1 (en) 2011-05-26

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