EP3339499A1 - Sèche-linge équipé avec un ensemble de porte - Google Patents

Sèche-linge équipé avec un ensemble de porte Download PDF

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Publication number
EP3339499A1
EP3339499A1 EP16206192.3A EP16206192A EP3339499A1 EP 3339499 A1 EP3339499 A1 EP 3339499A1 EP 16206192 A EP16206192 A EP 16206192A EP 3339499 A1 EP3339499 A1 EP 3339499A1
Authority
EP
European Patent Office
Prior art keywords
door assembly
rear side
laundry dryer
drum
reference plane
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.)
Granted
Application number
EP16206192.3A
Other languages
German (de)
English (en)
Other versions
EP3339499B1 (fr
Inventor
Alberto Bison
Gabriele Londero
Marco Santarossa
Michela Gasparollo
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.)
Electrolux Appliances AB
Original Assignee
Electrolux Appliances AB
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 Electrolux Appliances AB filed Critical Electrolux Appliances AB
Priority to EP16206192.3A priority Critical patent/EP3339499B1/fr
Priority to AU2017264979A priority patent/AU2017264979B2/en
Priority to CN201711385372.0A priority patent/CN108221317B/zh
Publication of EP3339499A1 publication Critical patent/EP3339499A1/fr
Application granted granted Critical
Publication of EP3339499B1 publication Critical patent/EP3339499B1/fr
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
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use

Definitions

  • the present invention relates to a laundry dryer with an improved door assembly.
  • the present invention relates to a rotary-drum home laundry dryer to which the following description refers purely by way of example without implying any loss of generality.
  • laundry dryers include a casing within which a laundry drying rotary chamber, such as a drum, is located.
  • the drum has a substantially cylindrical, tubular body having a front mouth for introduction of laundry into the drum.
  • an opening is provided, which gives access to the drying chamber through its mouth to load or unload the laundry before and after the drying cycle(s).
  • a door assembly also called porthole, is rotatably fixed, for example hinged, to the casing and it is apt to open and close the mentioned opening.
  • Door assemblies of known types typically comprise an annular frame hinged to the casing and a closing element, typically a glass or a transparent plastic element, which closes the aperture defined by the annular frame.
  • the rear side of the annular frame abuts against the front wall of the casing and the closing element is opportunely shaped as a cup-element so that a portion thereof extends inside the drum through the drum mouth.
  • the cup-element typically has a symmetric shape, for example a substantially spherical shape or a substantially cylindrical shape or a substantially conical frustum shape.
  • Door assembly for laundry dryer preferably belongs to systems which may be named "pull-to-open" door opening systems.
  • a pull-to-open door assembly is opened by pulling the handle: when the pulling force exceeds a certain threshold, a hook, or similar element present either in the door frame or in the casing, disengages from a corresponding seat on the casing or the door assembly respectively in a known manner, via a release mechanism.
  • the hook, the seat and the release mechanism form a locking device.
  • the door assembly is therefore opened by pulling it outwards with a pulling force sufficient to actuate the release mechanism and can then be closed by pushing the door assembly towards the inside of the drum so as to lock the locking device.
  • a door assembly of pull-to-open type can also be opened by pushing the door assembly from the inside of the drum.
  • a first drawback posed by the door assemblies of the known art lies in that the door may open during the drying cycle, in particular when the amount of laundry loaded into the drum is high and/or when the distribution of laundry within the drum is not appropriate and too much concentrated in the door region.
  • the laundry rotating inside the drum strikes the portion of the closing element of the door assembly which extends inside the same drum, typically the innermost portion of the glass.
  • the force exerted by laundry against the closing element may exceed the threshold force needed to activate the release mechanism of the door lock, thereby causing the door opening.
  • laundry may inconveniently fall outside the laundry dryer directly on the floor.
  • the cycle is immediately interrupted after the control unit of the laundry dryer detects an aperture of the door assembly.
  • the object of the present invention is therefore to overcome the drawbacks posed by the known door assemblies.
  • a further object of the invention is to avoid undesired opening of the door assembly during the drying cycle.
  • a laundry dryer comprising a casing supporting a rotating drum having a front mouth adapted to receive laundry to be dried and a door assembly having a main longitudinal axis apt to open/close a door opening of the casing, the door assembly having a frame with a frame aperture and a closing element, apt to close the frame aperture, wherein the closing element comprises a cup-shaped surface having a rear side surface extending at least partly inside the drum and by providing the rear side surface with an innermost rear side portion towards the inner space of the drum which is completely located at the right side of a vertical reference plane containing the main longitudinal axis looking frontally at the door assembly from outside of the laundry dryer when the main rotation direction is the clockwise direction or by providing the rear side surface with an innermost rear side portion which is completely located at the left side of a vertical reference plane containing the main longitudinal axis looking frontally at the door assembly from outside of the laundry dryer when the main rotation direction is the counterclockwise direction, it is possible to overcome drawbacks of known techniques.
  • the present invention relates, therefore, to a laundry dryer comprising:
  • the innermost rear side portion is the set of points, or the point, where the rear side surface intersects the reference plane.
  • the innermost rear side portion preferably comprises a single point, or a line or a plane surface.
  • the second portion has a distance from the reference plane that increases while moving horizontally leftwards from the innermost rear side portion looking frontally at the door assembly from outside of the laundry dryer when the main rotation direction is the clockwise direction.
  • the second portion has a distance from the reference plane that increases while moving horizontally rightwards from the innermost rear side portion looking frontally at the door assembly from outside of the laundry dryer when the main rotation direction is the counterclockwise direction.
  • the innermost rear side portion is further located at the bottom side of the rear side surface looking frontally at the door assembly from outside of the laundry dryer.
  • the second portion has a distance from the reference plane that increases while moving upwardly from the innermost rear side portion.
  • the second portion is a plane surface.
  • the second portion plane surface belong to a plane which intersects the reference plane to generate a line forming an angle of less than 90 degree with a horizontal plane.
  • the second portion is shaped so that at least a plane tangent to a point thereof intersects the reference plane to generate a line forming an angle of less than 90 degree with a horizontal plane.
  • the laundry dryer preferably further comprises a latch device keeping the door assembly in its closed position.
  • the latch device comprises a latch and a latch retaining mechanism, the latch being connected to the door assembly and the latch retaining mechanism being connected to the casing or the latch being connected to the casing and the latch retaining mechanism being connected to the door assembly.
  • the latch device is configured so that, when the latch is locked to keep the door assembly in a closed position, a relative movement is allowed between the latch and the latch retaining mechanism device and hence a relative movement is allowed between the door assembly and the casing while keeping the door assembly in said closed position.
  • a sealing gasket is interposed between the door assembly and the casing to guarantee an airtight coupling of the door assembly to the door opening when the door assembly is in said closed position and subjected to the relative movement.
  • the door assembly comprises a hinge device and a handle and the hinge device is located at the right of the vertical reference plane when looking frontally at the door assembly from outside.
  • the handle is located at the left of the vertical reference plane looking frontally at the door assembly from outside.
  • the latch device is located at the left of the vertical reference plane looking frontally at the door assembly from outside.
  • the door assembly comprises a hinge device and a handle and the hinge device is located at the left of the vertical reference plane looking frontally at the door assembly from outside.
  • the handle is located at the right of the vertical reference plane looking frontally at the door assembly from outside.
  • the latch device is located at the right of the vertical reference plane looking frontally at the door assembly from outside.
  • the door assembly is configured for being arranged so that an open position of the door assembly is obtained either by a left-swing movement or by a right-swing movement.
  • the hinge device is attachable to the door assembly in a plurality of positions so as to reverse the opening direction of the door assembly.
  • the frame comprises a rear frame and a front frame.
  • either the front frame or the rear frame of the door assembly is mountable on the rear frame, or the front frame respectively, in a plurality of positions such that the opening direction of the door assembly may be reversed by rotating the front and/or the rear frame with respect to the closing element.
  • the opening direction of the door assembly is reversible by rotating the frame of 180° with respect to the closing element.
  • the closing element is sandwiched between the rear and the front frame.
  • the door assembly opening direction is reversible by rotating the rear frame with respect to the closing element.
  • the door assembly opening direction is reversible by rotating the rear frame of 180° with respect to the closing element.
  • the latch is released from the latch retaining mechanism upon application of a pulling releasing force to the door assembly which is greater than a threshold force.
  • reference number 1 indicates as a whole a rotary-drum laundry dryer which comprises: a preferably, though not necessarily, parallelepiped-shaped, outer boxlike casing 7 which is structured for resting on the floor and is provided with reciprocally-faced front and rear vertical walls 2a and 2b; a rotatable drum 3 structured for housing the laundry to be dried and which is located in axially rotating manner inside the outer casing 7, facing a door opening 4 formed on the front vertical wall 2a of the outer casing 7; and a door assembly 10, also called porthole, preferably hinged to the front vertical wall 2a of the casing 7 so to be able to rotate about a preferably, though not necessarily, vertically-oriented hinge axis H, or axis of opening H of the door assembly 10.
  • the door assembly 10 is adapted to alternatively open and close the door opening 4 of the dryer 1.
  • the door assembly 10 preferably comprises a handle 50 operable by the user to open and close the door assembly 10.
  • the laundry dryer 1 additionally comprises: an electrically-powered motor assembly (not shown) structured for driving into rotation the rotatable drum 3 about its reference rotation axis L; a hot-air generator (not shown) which is structured to circulate through the rotatable drum 3 a stream of hot air; and an electronic central control unit (not shown) which controls both the motor assembly and the hot-air generator, among other functions.
  • an electrically-powered motor assembly (not shown) structured for driving into rotation the rotatable drum 3 about its reference rotation axis L
  • a hot-air generator (not shown) which is structured to circulate through the rotatable drum 3 a stream of hot air
  • an electronic central control unit not shown which controls both the motor assembly and the hot-air generator, among other functions.
  • the motor assembly is preferably structured for driving the rotatable drum 3 in a first rotation direction and/or in a second rotation direction opposite the first rotation direction about its reference rotation axis L.
  • the rotatable drum 3 may be rotated in clockwise direction and/or in counterclockwise direction.
  • the drum 3 may be rotated in the first direction only, for example only in clockwise direction or only in counterclockwise direction, or may be rotated alternatively in the first direction and in the second direction.
  • the drum 3 is rotated in a first direction for the most part of the time during a drying cycle, while it is rotated in the second opposite/reverse direction for a short period to better keep items in the load from twisting and tangling and to help clothes dry more evenly and quickly.
  • main rotation direction MD as the direction between the first and the second direction in which the drum rotates for the most part of the time during a drying cycle.
  • the rotatable drum 3 preferably consists in a substantially cylindrical-shaped, tubular body 3 having a drum front mouth 13.
  • the tubular body drum 3 preferably extends inside the casing 7 coaxial to the reference rotation axis L and preferably substantially aligned to the door opening 4 on the front vertical wall 2a of the casing 7.
  • the door assembly 10 can have two different operative positions or configurations: a closed position in which the door assembly 10 rests completely against the front vertical wall 2a to close the door opening 4 and providing a substantially airtight seal and an opened position in which it uncovers the front vertical wall 2a.
  • handle 50 is used in order to move the door assembly 10 from the closed to the opened position or vice-versa.
  • a sealing gasket 9 is arranged around the door opening 4 of the front vertical wall 2a of the casing 7 to guarantee an airtight coupling of the door assembly 10 to the door opening 4 when the door assembly 10 is in its closed position.
  • the sealing gasket may be arranged at the door assembly side.
  • the laundry dryer 1 is preferably equipped with a latch device 17 comprising a latch 19 associated to the door assembly 10 and a latch retaining mechanism (not shown) associated to the casing 7, preferably to the front vertical wall 2a.
  • the latch retaining mechanism preferably includes a mobile part which is configured to be movable between a retaining position, in which it engages the latch 19 so as to retain the door assembly 10 in the closed condition, and an opening position in which it releases the latch 19 so as to allow the opening of the door assembly 10.
  • the door assembly 10 preferably belongs to a system which may be named "pull-to-open" door opening system: the door assembly 10 is opened by pulling it outwards by applying a force greater than a predetermined intensity (threshold force) and, analogously, it can be closed by pushing it towards the inside of the drum 3 with enough force.
  • a predetermined intensity threshold force
  • a pull-to-open door assembly may be realized by providing the mobile part of the retaining mechanism that allows the releasing of the latch when a releasing force applied is greater than the threshold force.
  • the door assembly 10 can also be opened by pushing it with a force exceeding the threshold force from the inside of the drum 3.
  • the latch may be associated to the casing and the latch retaining mechanism may be associated to the door assembly.
  • the latch device is configured so that, when the latch is locked to keep the door assembly in the closed position, a relative movement, or free play, between the latch and the latch retaining mechanism device, and hence between the door assembly and the casing, is allowed while keeping the door assembly in the closed position.
  • the sealing gasket which is interposed between the door frame and the casing is configured to guarantee the airtight coupling of the door assembly to the door opening also when the door assembly is subjected to said relative movement.
  • the sealing gasket is preferably elastic and advantageously seals the gap created by the relative movement between the door frame and the casing.
  • the door assembly 10 has a main longitudinal axis X passing through the vertical wall 2a when the door assembly 10 is in its closed position.
  • the main longitudinal axis X when the door assembly 10 is in its closed position, is preferably parallel, or substantially coincident, to the reference rotation axis L of the drum 3.
  • the door assembly 10 preferably comprises a frame 12 and a closing element 14 supported by the frame 12.
  • the frame 12 preferably includes a frame radially inner edge 16 defining a frame aperture 18 and the closing element 14 is apt to close the frame aperture 18.
  • the closing element 14 is preferably at least partially transparent.
  • the closing element 14 is preferably made of plastic and even more preferably it is made of a transparent, or at least semi-transparent, plastic material.
  • the closing element 14 can however be made of glass or other suitable material. In further preferred embodiment, nevertheless, the closing element may be non-transparent.
  • the aperture 18 and the closing element 14 are defined so that a user can at least partially view the laundry when looking frontally at the door assembly 10 from outside of the laundry dryer 1, in particular when closing element 14 is at least partially transparent.
  • the frame 12 comprises a rear frame 20 and a front frame 22 arranged on a front side 22a of the rear frame 20.
  • the rear frame 20 is defined as the portion of the door assembly 10, a side of which, called rear side 20b, is substantially in contact with, or immediately in front of, the casing 7 when the door assembly 10 is in the closed position, while the front frame 22 is defined as the portion of the door assembly 10 arranged outwardly when the door assembly 10 is closed onto casing 7, i.e. it faces a direction opposite to the casing 7.
  • the handle 50 is preferably integrally made with the front frame 22 and is preferably made by a radially projecting shaped portion of the same.
  • the rear frame 20 preferably comprises a rear frame inner edge 20c defining a rear aperture 26.
  • the front frame 22 preferably comprises an inner edge 22c defining a front aperture 28.
  • Rear and front frames 20, 22 are mounted so that the two apertures 26, 28 overlap, at least partially, and therefore apertures 26, 28 define the frame aperture 18 of the frame 12.
  • rear and front frames 20, 22 are coaxial and/or concentric.
  • apertures 26, 28 are coaxial and/or concentric.
  • rear and front frames 20, 22 and rear and front apertures 26, 28 of door assembly 10 have an arbitrary geometrical shape, for example can be substantially polygonal, such as rectangular, quadratic, triangular, or elliptic when a front view of the same is considered.
  • rear and front frames 20, 22 and rear and front apertures 26, 28 are circular, or substantially circular.
  • the closing element 14 is preferably supported by the rear and front frames 20, 22. More preferably, at this purpose, the closing element 14 comprises an outer rim 30 sandwiched between rear and front frames 20, 22.
  • the outer rim 30 also preferably comprises protruding portions 36 that may be provided with elongated holes 36a.
  • the protruding portions 36 can be received within respective seats formed in the rear frame 20 or the elongated holes 36a can be received in respective pins (not visible) formed on the rear frame 20 . This arrangement allows correct alignment/centering of the closing element 14 to the frame rear and front frames 20, 22 during assembling steps.
  • the rear frame 20 and the front frame 22 are coupled one to the other, preferably in a removable manner, by means of a fastening device 200.
  • the fastening device 200 preferably comprises coupling elements 121 and corresponding coupling counter-elements (not visible) formed in the front frame 22 and the rear frame 20, respectively.
  • said coupling elements 121 extend from the rear side 22b of the front frame 22 while said coupling counter-elements extend from the front side 20a of the rear frame 20.
  • each coupling element 121 includes a protruding element.
  • the protruding element 121 includes a tubular sleeve having an open end.
  • each coupling counter-element includes a protruding element.
  • the dimensions of the sleeves are such that the coupling elements 121 can be preferably inserted within the coupling counter-elements or vice-versa.
  • Fastening screws 25, some of them indicated in Figure 1 are preferably inserted from the rear surface 20b of rear frame 20 into the through-holes defined by coupling counter-elements and then screwed into the tubular sleeves of coupling elements 121 to fix the rear frame 20 to the front frame 22.
  • the rear frame and the front frame are differently coupled one to the other, for example by gluing or welding.
  • the closing element 14 preferably has a cup-shaped surface 40 which extends from the frame 12 along the main longitudinal axis X through the door opening 4 and extending at least partly inside the drum 3 through the drum front mouth 13 when the door assembly 10 is in its closed position.
  • the cup-shaped surface 40 preferably comprises a rear side surface 42 facing the inner space delimited by the drum 3, when the door assembly 10 is in its closed position, and a lateral surface 44 extending from the rear side surface 42 up to the closing element outer rim 30 along the main longitudinal axis X.
  • the lateral surface 44 is preferably substantially conical frustum shaped.
  • the rear side surface 42 and the lateral surface 44 are preferably joined by a rounded transition 46.
  • the lateral surface 44 preferably further comprises a substantially flat horizontal portion 44a which, when the door assembly 10 is in the closed operative position, is arranged above an air filter arrangement 55 of the laundry dryer 1, as illustrated in Figure 1 .
  • the air filter arrangement 55 is preferably arranged downwardly in close proximity of the door opening 4 inside the casing 7.
  • the rear side surface 42 of the closing element 40 comprises an innermost rear side portion 80 and a second portion 82.
  • the innermost rear side portion 80 is the innermost portion of the rear side surface 42 towards the inner space of the drum 4 along the main longitudinal axis X.
  • the second portion 82 of the rear side surface 42 is spaced apart from a reference plane, indicated as P in the figures, that is perpendicular to the main longitudinal axis X and that is tangent to the innermost rear side portion 80 of the rear side surface 42, as illustrated for example in Figures 3 , 5 and 6 .
  • the reference plane P is tangent to the innermost rear side portion 80 at a single tangent point TP.
  • the innermost rear side portion 80 of the rear side surface 42 coincides, therefore, to a single point, namely the tangent point TP.
  • the innermost rear side portion may be differently shaped so that it may consist of multiple points, for example a straight line, a curved line, a mixtilinear line or a plane surface.
  • the reference plane is tangent to the innermost rear side portion at multiple points, for example at a straight line, a curved line, a mixtilinear line or a plane surface, respectively.
  • a preferred alternative embodiment, better described later, wherein the innermost rear side portion of the rear side surface is a plane surface is shown in Figures 12 and 13 .
  • the innermost rear side portion 80 of the closing element 14 is the portion of the closing element 14 more prominent inside the drum 3 and also the portion of the closing element 14 first hit by the rotating laundry inside the drum 3.
  • the force direction of the laundry hitting the closing element 14 is defined by a first component parallel to the plane containing the frame 18 and a second component perpendicular to said plane, i.e. substantially parallel to the main longitudinal axis X of the door assembly 10.
  • the second force component is the force that may cause undesired aperture of the door assembly 10 around the axis of opening H, considering that the latch device 17 is designed to be released by overcoming a predetermined force intensity, while the first force component has no sensible effects on the door assembly 10 being well supported by the hinge device 160 and/or the latch device 17.
  • any point of the second portion 82 is spaced apart from the reference plane P or, in other words, any point of the second portion 82 is at a given distance from the reference plane P.
  • the innermost rear side portion 80 is completely located at the right side of a vertical reference plane V containing the main longitudinal axis X looking frontally at the door assembly 10 from outside of the dryer 1 when the main rotation direction MD is the clockwise direction or the innermost rear side portion 80 is completely located at the left side of a vertical reference plane V containing the main longitudinal axis X looking frontally at the door assembly 10 from outside of the dryer 1 when the main rotation direction MD is the counterclockwise direction.
  • the main rotation direction MD is the clockwise direction looking frontally at the door assembly 10 from outside of the dryer 1, i.e. according to the viewing direction indicated with "W" in the Figures.
  • the innermost rear side portion 80 of the preferred embodiment illustrated in the figures is completely located at the right side of the vertical reference plane V looking frontally at the door assembly 10 from outside of the dryer 1.
  • the tangent point TP is located at the right side of the vertical reference plane V looking frontally at the door assembly 10 from outside of the dryer 1.
  • the second portion 82 is an inclined plane surface and has a distance from the reference plane P that increases while moving horizontally leftwards from the innermost rear side portion 80 looking frontally at the door assembly 10 from outside of the laundry dryer 1.
  • the distance from the reference plane P in particular, increases continuously while moving horizontally leftwards from the innermost rear side portion 80 looking frontally at the door assembly 10 from outside of the laundry dryer 1.
  • the innermost rear side portion 80 is further located at the bottom side of the rear side surface 42 looking frontally at the door assembly 10 from outside of the dryer 1, as illustrated in particular in Figure 4 .
  • the tangent point TP is located at the bottom side of the rear side surface 42 looking frontally at the door assembly 10 from outside of the dryer 1.
  • the distance from the reference plane P has a distance that increases while moving upwardly from the innermost rear side portion 80.
  • the distance from the reference plane P in particular, increases continuously while moving upwardly from the innermost rear side portion 80.
  • the second portion of the rear side surface may be differently shaped, providing that any point thereof is spaced apart from the reference plane.
  • the second portion 82 may therefore comprise any plane and/or curved portion, or a combination thereof.
  • the plane surface which constitutes the second portion 82 belongs to a plane P1 which intersects the reference plane P to generate a line IL forming an angle of less than 90 degree with a horizontal plane, as illustrated in Figure 3 .
  • the door assembly 10 is preferably provided with an actuator 95 which interacts with a safety device of the dryer 1 (not illustrated), preferably fixed to the casing 7.
  • the actuator 95 preferably comprises a fin rearwardly protruding from the frame 18, preferably protruding from the rear side 20b of the rear frame 20.
  • the protruding fin 95 is apt to operate a switch of the safety device when the door assembly 10 is in the closed position. The safety device can therefore advantageously detect if the door assembly 10 is in the closed or in the opened position.
  • the protruding fin 95 is preferably arranged at the rear side 20b of the rear frame 20 in a vertical upward position.
  • a first seat 95a is preferably realized vertically upward at the rear side 20b of the rear frame 20 for the connection of the fin 95 thereto.
  • a second seat 95b is also preferably realized vertically downward at the rear side 20b of the rear frame 20.
  • the second seat 95b is also apt for the connection of the fin 95 thereto. Use of the second seat 95b will be better described later.
  • the door assembly 10 is advantageously hinged and supported at the casing 7 of the dryer 1, preferably at the front vertical wall 2a of the casing 7.
  • Door assembly 10, therefore, preferably comprises a hinge device 160 that is provided to pivot the door assembly 10 to the casing 7 so that it can be opened by rotating it about the axis of opening H of the door assembly 10.
  • Hinge device 160 may be any conventional hinge, preferably of the type that is not visible when the door assembly 10 is closed.
  • the hinge device 160 preferably comprises a base portion 161 apt to be fixed to the front vertical wall 2a of the casing 7 (for example with screws) and two knuckles 162a, 162b extending from the base portion 161 which receive a pivot pin 163.
  • Knuckles 162a, 162b are advantageously received in the rear frame 20 of the door assembly 10.
  • the rear frame 20 comprises two apertures 152a, 152b apt to receive knuckles 162a, 162b therethrough.
  • the hinge device 160 is preferably located at the right of the vertical reference plane V looking frontally at the door assembly 10 from outside, as schematically illustrated in Figure 14 .
  • the latch device 17 and the hinge device 160 are arranged at opposite side of the door assembly 10 and are preferably aligned along a center line C of the door assembly 10 substantially perpendicular to the axis of opening H of the door assembly 10.
  • the latch device 17 is preferably located at the left of the vertical reference plane V looking frontally at the door assembly 10 from outside.
  • reciprocal arrangement of the hinge device 160, the latch device 17 and the innermost rear side portion 80 when the main rotation direction is the clockwise direction MD looking frontally at the door assembly 10 allows to avoid undesired opening of the door assembly during the drying cycle.
  • said arrangement allows to reduce the second force component of the laundry hitting the closing element 14, as defined above, that may cause undesired aperture of the door assembly 10 around the axis of opening H, compared to door assembly having closing element of known type.
  • the point of application of second force that corresponds substantially to the innermost rear side portion 80 location, is advantageously closer to the hinge device 160 than to the latch device 17 and therefore the opening action on the door assembly 10 exerted by laundry rotating within the drum 3, and hitting the closing element 14, during a drying process is highly reduced.
  • aperture of the door assembly 10 during the drying cycle, when the drum 3 is rotated, is avoided.
  • the handle 50 and the hinge device 160 are arranged at opposite side of the door assembly 10.
  • the handle 50 is therefore preferably located at the left of the vertical reference plane V looking frontally at the door assembly 10 from outside.
  • the handle 50 of the door assembly 10 illustrated and described herewith is preferably arranged offset with respect to the center line C, preferably at an upper position thereof.
  • Reciprocal arrangement of the handle 50 and of the hinge device 160 as described above, allows to obtain a right-swing configuration for the door assembly 10.
  • the door assembly 10 of the invention allows reversibility of the same, i.e. the door assembly 10 may be reversed from a right-swing configuration to a left-swing configuration or vice-versa.
  • the door assembly 10 of the invention allows positioning of the handle 50 in a plurality of positions with respect to the center line C of the door assembly 10.
  • Figures 14 and 15 illustrate two possible positions for the handle 50 in the right-swing configuration of the door assembly 10 (wherein Figure 14 shows the configuration of the preferred embodiment illustrated in figures 1 to 11 ).
  • Figures 16 and 17 illustrate two possible positions for the handle 50 in the left-swing configuration of the door assembly 10.
  • Figure 14 shows the right-swing configuration of the door assembly 10 according to the preferred embodiment described above with the handle 50 arranged at an upper position with respect to the center line C.
  • Figure 15 shows the right-swing configuration of the door assembly 10 with the handle 50 arranged at a lower position with respect to the center line C.
  • Figure 16 shows the left-swing configuration of the door assembly 10 with the handle 50 arranged at an upper position with respect to the center line C.
  • Figure 17 shows the left-swing configuration of the door assembly 10 with the handle 50 arranged at a lower position with respect to the center line C.
  • Reversibility of the door assembly 10, from a right-swing configuration to a left-swing configuration or vice-versa is preferably obtained by disassembling the door assembly 10 from the casing 7, preferably unscrewing screws of the hinge device 160, rotating the rear and front frames 20, 22 repositioning them in a position at 180° with respect to the original position while keeping the closing element 14 still and finally assembling the door assembly 10 to the casing 7, preferably screwing screws of the hinge device 160.
  • the fin 95 is also moved to another fin seat.
  • the fin 95 is disconnected from the first seat 95a at the rear side 20b of the rear frame 20 and connected to the second seat 95b, which is formed in the rear frame 20 in an opposite position relative to the first seat 95a.
  • the position of the fin 95 relative to the machine casing 7 remains advantageously constant when passing from a right-swing configuration to a left-swing configuration. In this way, there is no necessity to change the position of the safety device, which is preferably fixed to the casing 7.
  • reversibility of the door assembly may be obtained by configuring the frame, preferably the rear frame, so that the hinge device may be attached thereto in a plurality of positions.
  • Positioning of the handle 50 in different positions is preferably obtained thanks to the fastening device 200 of the door assembly 10.
  • said positioning of the innermost rear side portion 80 compared to the rotational direction MD of the drum 3 has proved to reduce the force component of the laundry striking the closing element 14 from inside of the drum 3 that may cause undesired aperture of the door assembly 10.
  • the innermost rear side portion 80 of the closing element 14 is the portion of the closing element 14 more prominent inside the drum 3 and also the portion of the closing element 14 first hit by the rotating laundry inside the drum 3 with a force defined by a first component parallel to the plane containing the frame 18 and a second component perpendicular to said plane.
  • Tests carried out by the applicant have proved that the second force component in the door assembly 10 of the invention, which is the force that may cause undesired aperture of the door assembly 10 itself, is reduced compared to door assembly having closing element of known type.
  • the closing element of the invention therefore, avoids aperture of the door assembly during the drying cycle when the drum is rotated.
  • Figures 12 and 13 illustrate a further embodiment of a closing element 14' for a door assembly according to the present invention.
  • the closing element 14' differs from the closing element 14 of the first preferred embodiment previously described with reference to Figures 1 to 11 in that the rear side surface 42' of the cup-shaped surface 40' comprises an innermost rear side portion 80' which consists of a plane surface perpendicular to the main longitudinal axis X of the door assembly.
  • the reference plane P is tangent to the innermost rear side portion 80' at multiple points, namely at a plane surface that coincides with innermost rear side portion 80' itself.
  • the present invention allows all the set objects to be achieved.
  • it makes possible to improve reliability of the laundry dryer compared to known laundry dryer, avoiding undesired opening of the door assembly during the drying cycle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
EP16206192.3A 2016-12-22 2016-12-22 Seche-linge equipee avec un ensemble de porte Active EP3339499B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP16206192.3A EP3339499B1 (fr) 2016-12-22 2016-12-22 Seche-linge equipee avec un ensemble de porte
AU2017264979A AU2017264979B2 (en) 2016-12-22 2017-11-20 Laundry dryer equipped with a door assembly
CN201711385372.0A CN108221317B (zh) 2016-12-22 2017-12-20 配备有门组件的衣物烘干机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16206192.3A EP3339499B1 (fr) 2016-12-22 2016-12-22 Seche-linge equipee avec un ensemble de porte

Publications (2)

Publication Number Publication Date
EP3339499A1 true EP3339499A1 (fr) 2018-06-27
EP3339499B1 EP3339499B1 (fr) 2019-10-23

Family

ID=57588905

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16206192.3A Active EP3339499B1 (fr) 2016-12-22 2016-12-22 Seche-linge equipee avec un ensemble de porte

Country Status (3)

Country Link
EP (1) EP3339499B1 (fr)
CN (1) CN108221317B (fr)
AU (1) AU2017264979B2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020135984A1 (fr) * 2018-12-25 2020-07-02 Arcelik Anonim Sirketi Machine à laver et/ou à sécher le linge comprenant une porte avec un sens d'ouverture modifiable

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013007507A2 (fr) * 2011-07-11 2013-01-17 BSH Bosch und Siemens Hausgeräte GmbH Porte de chargement d'une machine de traitement du linge
EP2759631A1 (fr) * 2013-01-25 2014-07-30 Vetrerie Riunite S.p.A. Porte de hublot pour appareil électroménager

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003235779B2 (en) * 2002-01-09 2005-05-26 Lg Electronics Inc. A door assembly and a washing machine and a dryer using the same
EP2312047B1 (fr) * 2009-10-16 2016-07-06 Panasonic Corporation Séchoir et machine à laver et à sécher

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013007507A2 (fr) * 2011-07-11 2013-01-17 BSH Bosch und Siemens Hausgeräte GmbH Porte de chargement d'une machine de traitement du linge
EP2759631A1 (fr) * 2013-01-25 2014-07-30 Vetrerie Riunite S.p.A. Porte de hublot pour appareil électroménager

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020135984A1 (fr) * 2018-12-25 2020-07-02 Arcelik Anonim Sirketi Machine à laver et/ou à sécher le linge comprenant une porte avec un sens d'ouverture modifiable

Also Published As

Publication number Publication date
AU2017264979B2 (en) 2023-08-10
EP3339499B1 (fr) 2019-10-23
AU2017264979A1 (en) 2018-07-12
CN108221317B (zh) 2021-08-17
CN108221317A (zh) 2018-06-29

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