EP3697281B1 - Haushaltsgerät - Google Patents

Haushaltsgerät Download PDF

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Publication number
EP3697281B1
EP3697281B1 EP18782961.9A EP18782961A EP3697281B1 EP 3697281 B1 EP3697281 B1 EP 3697281B1 EP 18782961 A EP18782961 A EP 18782961A EP 3697281 B1 EP3697281 B1 EP 3697281B1
Authority
EP
European Patent Office
Prior art keywords
door
cable
household appliance
roller
motor
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
EP18782961.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3697281A1 (de
Inventor
Aaron Friedke
Ersin Isbilen
Alexander Schiele
Martin Rittner
Martin Heinle
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3697281A1 publication Critical patent/EP3697281A1/de
Application granted granted Critical
Publication of EP3697281B1 publication Critical patent/EP3697281B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/627Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/42Details
    • A47L15/4251Details of the casing
    • A47L15/4257Details of the loading door
    • A47L15/4261Connections of the door to the casing, e.g. door hinges
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/50Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/53Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/02Doors specially adapted for stoves or ranges
    • F24C15/023Mounting of doors, e.g. hinges, counterbalancing
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/42Details
    • A47L15/4251Details of the casing
    • A47L15/4257Details of the loading door
    • A47L15/4259Arrangements of locking or security/safety devices for doors, e.g. door latches, switch to stop operation when door is open
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26Casings; Tubs
    • D06F37/28Doors; Security means therefor
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/40Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/43Motors
    • E05Y2201/434Electromotors; Details thereof
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/40Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/43Motors
    • E05Y2201/448Fluid motors; Details thereof
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/60Suspension or transmission members; Accessories therefor
    • E05Y2201/622Suspension or transmission members elements
    • E05Y2201/624Arms
    • E05Y2201/626Levers
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/60Suspension or transmission members; Accessories therefor
    • E05Y2201/622Suspension or transmission members elements
    • E05Y2201/644Flexible elongated pulling elements
    • E05Y2201/654Cables
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/60Suspension or transmission members; Accessories therefor
    • E05Y2201/622Suspension or transmission members elements
    • E05Y2201/688Rollers
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/60Suspension or transmission members; Accessories therefor
    • E05Y2201/622Suspension or transmission members elements
    • E05Y2201/696Screw mechanisms
    • E05Y2201/704Worm wheels
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/30Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/304Application of doors, windows, wings or fittings thereof for domestic appliances for dishwashers
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/30Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/308Application of doors, windows, wings or fittings thereof for domestic appliances for ovens
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/02Doors specially adapted for stoves or ranges

Definitions

  • the present invention relates to a household appliance, in particular a water-bearing household appliance.
  • the household appliance can include a device that can compensate for the weight of the door in order to prevent the door from falling down in the open position.
  • the device comprises, for example, a rope which is connected at one end to the door and at its other end to a spring element.
  • the spring element in turn is connected to a housing of the household appliance, for example.
  • the spring is prestressed so that a spring force acts on the door with the aid of the cable in such a way that the door is prevented from falling down.
  • friction elements can be provided, which make it difficult for the door to pivot. A corresponding frictional force can form a difference between the weight of the door, which pulls on the cable, and the spring force when the door is in the open position.
  • the EP 0 541 974 A1 shows, for example, a dishwasher with an appliance housing in which an electric motor drive is provided. With the help of the electric motor drive, for example, an appliance door of the dishwasher can be completely or partially closed or opened.
  • the DE 10 2015 226 009 A1 describes a cooking appliance with a door for closing a cooking chamber, which can be lowered into a storage space in a housing of the cooking appliance, and with a door opening device for automatically moving the door, at least in certain areas, over an entire movement path measured between a closed and an open position of the door, wherein the door opening device has an actuating unit with which the door can be tilted automatically, starting from the closed position, into an intermediate position, the further movement of the door from the intermediate position into the open position retracted into the storage space being effected automatically by the gravitational force of the door.
  • the DE 102 28 141 A1 shows a cooking appliance with an anti-trap device that detects an object outside a muffle opening of a muffle of the cooking appliance between an inside and a linear door and an end face of a muffle frame.
  • the anti-jamming device prevents the object from jamming between the linear door and the end face of the muffle frame by means of a suitable control of a drive device.
  • an object of the present invention is to provide an improved household appliance.
  • a household appliance in particular a water-bearing household appliance, is provided, with a housing, a door connected pivotably to the housing, a cable connected to the door, a pulley in contact with the cable and a motor which is set up for the pulley to be driven to move the cable in such a way that a pivoting movement of the door is effected.
  • a particularly space saving arrangement can be provided.
  • the pivoting movement of the door can be directly influenced with the help of the driven roller.
  • a household appliance can be provided in which an automatic door pivoting movement can be implemented with a small number of components.
  • the household appliance is preferably a water-bearing household appliance, in particular a domestic dishwasher.
  • the household appliance is a washing machine, a refrigerator, preferably a refrigerator, or an oven.
  • the housing preferably comprises a base housing and a rinsing container, the rinsing container being arranged on the base housing.
  • the door is pivotably connected to the housing with the aid of a hinge. For example, the door is pivoted toward a floor on which the household appliance is standing.
  • roller means, for example, a rotatably mounted element which, in particular, has rotational symmetry with respect to a central axis.
  • the role can also be referred to as a pulley, for example.
  • a rope with the pulley is along a wrap angle in contact, for example during a movement of the cable, the wrap angle, in particular essentially, remains constant. In other words, for example, an amount of contact area between the rope and the pulley remains constant.
  • the rope comprises plastic or metal.
  • the rope can comprise yarn or textiles, in particular natural fibers and/or chemical fibers.
  • the cable is formed from several cable sections that are mechanically connected to one another. According to the invention, the cable does not have a fixed connection with the pulley, but merely has abutting contact with the pulley.
  • the pulley acts as a direct drive for the rope. For example, the rope is only driven by the pulley.
  • the pulley and the cable are set up in such a way that drive force is transmitted from the pulley to the cable exclusively with the aid of a frictional connection.
  • the driving force is preferably transmitted from the pulley to the rope with the aid of rope friction. Due to the cable force generated, a tangential static friction force develops, for example, along the circumference of a roller that is touched, which is used to realize the door movement.
  • a tangential static friction force develops, for example, along the circumference of a roller that is touched, which is used to realize the door movement.
  • this allows a tensile force on the door caused by the cable to be limited, since after a limit tensile force is exceeded, sliding friction begins on a contact surface between the cable and the roller.
  • This has the advantage that a safety device can be created. In this way, crushing of body parts trapped between the door and the housing can be avoided. Furthermore, damage to objects with which the door collides can be avoided.
  • the door has a lever to which one end of the cable is connected, the door, the motor and the cable being arranged in such a way that a change in a pulling force on the lever by means of the motor and the cable causes the pivoting movement of the door.
  • the door includes a panel-shaped door portion, the hinge, and the lever.
  • the door section can be pivoted about the hinge.
  • the lever is preferably formed on the door section in such a way that the change in the tensile force on the lever causes the pivoting movement of the door section.
  • the door may include another lever to which another cable is connected.
  • the levers can, for example, each be arranged on the outside of an underside of the door section.
  • the lever and/or levers are rigidly (non-rotatably) connected to the door section.
  • the domestic appliance comprises a spring element which is connected to the housing and to the cable and is set up to at least partially compensate for a weight of the door.
  • the spring element is preferably a helical spring.
  • a spring characteristic of the spring element is progressive, degressive or linear.
  • the spring element is lengthened and thereby prestressed.
  • the spring element is designed as a tension spring.
  • the cable between the roller and the lever and between the roller and the spring element is provided as a continuous cable.
  • the rope has an angle of wrap around the pulley of between 360° and 540°, preferably between 400° and 500°, more preferably between 425° and 475° and even more preferably between 545° and 455°.
  • the angle of wrap is advantageously selected in such a way that a sufficient tensile force can be applied to the lever without the cable slipping over the pulley.
  • the wrap angle is exactly 450°.
  • the roller is drivingly connected to the motor.
  • a drive connection between the pulley and the motor is cable-free and/or belt-free.
  • the drive connection between the pulley and the motor is all solid (ie no ropes or belts).
  • a torque of the motor can thereby be transmitted reliably and with little vibration to the roller.
  • the motor is drive-connected to the roller with the aid of a gear, in particular a worm gear.
  • the use of a gear has the advantage that the speed and the torque of the motor can be changed in such a way that the rotary movements of the roller can be optimally adapted to the requirements of a door opening mechanism.
  • the transmission is set up to inhibit movement of the roller.
  • the gearing is preferably set up to inhibit a movement of the roller initiated from outside the gearing. If, for example, the tensile forces on the cable change when the motor is inactive, the pulley will be blocked.
  • “Inhibit” means a Blocking the role with respect to a rotational degree of freedom. Such stopping is preferably effected by means of the worm gear.
  • the domestic appliance comprises a control device which is set up to activate the motor in such a way that the pivoting movement of the door is brought about.
  • control device and the motor are coupled to one another in terms of signals.
  • control device is set up to activate the motor in such a way that the door executes a complete opening movement and/or a partial opening movement and/or a complete closing movement and/or a partial closing movement.
  • a direction of rotation of the rope pulley is changed in comparison to the opening movement of the door. This is preferably done by means of appropriate control of the motor using the control device. For example, it is also possible to manually execute a full opening movement and/or a partial opening movement and/or a full closing movement and/or a partial closing movement of the door.
  • the household appliance includes an operator interface that is set up to communicate with the control device for controlling the motor.
  • the operator interface includes a push button, a touch display, a microphone, or some other input device or output device.
  • the operator interface can include a sensor that is set up to detect an operator input, in particular a gesture by the operator.
  • the cable and the pulley are set up in such a way that when the opening angle of the door changes due to a manual force acting on the door, the cable slips over the pulley.
  • slipping occurs when the movement of the roller is blocked with the help of the gear.
  • one end of the cable is relieved by manual force, for example when the opening angle of the door is reduced, so that pulling the spring element on the other end of the cable causes the cable to slip over the roller.
  • the motor is in the form of an electric motor, a hydraulic motor or a pneumatic motor.
  • the motor is connected to the housing.
  • the torque of the engine is supported on the housing.
  • the household appliance includes a deflection pulley that is set up to deflect the cable between the pulley and the door.
  • a cable guide can be ideally adapted to the geometric boundary conditions in the household appliance. Furthermore, the looping angle of the rope around the pulley can be designed with the help of the deflection pulley.
  • the roller is also set up, for example, to deflect the cable between the spring element and the deflection roller or the door.
  • the domestic appliance is in the form of a domestic dishwasher.
  • the household appliance 1 is, for example, a water-bearing household appliance, in particular a household dishwasher.
  • the household appliance 1 can be designed as a washing machine, as a refrigerator, for example as a refrigerator, or as an oven.
  • the household appliance 1 includes a washing compartment 2, which can be closed by a door 3, which is in particular watertight.
  • a sealing device can be provided between the door 3 and the washing container 2 .
  • the washing compartment 2 is preferably cuboid.
  • the washing compartment 2 and the door 3 can form a washing chamber 4 for washing items to be washed.
  • Door 3 is in the 1 shown in their open position.
  • the door 3 can be closed or opened by pivoting about a pivot axis 5 provided at a lower end of the door 3 .
  • a loading opening 6 of the washing compartment 2 can be closed or opened.
  • the washing compartment 2 has a base plate 7, a base plate 7 arranged opposite cover 8, one of closed door 3 oppositely arranged rear wall 9 and two oppositely arranged side walls 10, 11 on.
  • the floor panel 7, the ceiling 8, the rear wall 9 and the side walls 10, 11 can be made of sheet steel, for example.
  • the floor panel 7 can be made of a different material than the ceiling 8 and the side walls 10, 11.
  • a first side wall 10, a second side wall 11 and the cover 8 arranged between the first side wall 10 and the second side wall 11 are made in one piece, in particular in one piece of material, and form a washing container casing 12 of the washing container 2.
  • the washing container casing 12, the rear wall 9 and the floor panel 7 are components that are manufactured separately from one another, but are connected to one another in a watertight manner.
  • the domestic appliance 1 also has at least one washware holder 13 to 15 .
  • washware holders 13 to 15 can be provided, with the washware holder 13 being a lower washware holder or a lower rack, the washware holder 14 being an upper washware holder or an upper rack and the washware holder 15 being a cutlery drawer.
  • the washing items receptacles 13 to 15 are arranged one above the other in the washing compartment 2 .
  • Each wash item holder 13 to 15 can be moved either into or out of the washing container 2 .
  • each washware receptacle 13 to 15 can be pushed into the washing compartment 2 in an insertion direction E and pulled out of the washing compartment 2 in a pull-out direction A counter to the insertion direction E.
  • a base housing 16 is arranged below the washing container 2 .
  • the washing compartment 2 is preferably firmly connected to the base housing 16 .
  • the base housing 16 and the washing compartment 2 form a housing 17 of the household appliance 1 .
  • the housing 17 includes, for example, further housing sections (not shown), which surround and cover the washing compartment 2 .
  • a washing container instead of the rinsing container 2, a washing container, a cooling container or a cooking container can also be provided.
  • the household appliance 1 comprises the housing 17, the door 3 pivotably connected to the housing 17, a cable 18 connected to the door 3, a roller 19 in contact with the cable 18 and a motor 20 which is arranged to drive the roller 19 for moving the cable 18 in such a way that a pivoting movement of the door 3 is effected.
  • the door 3 includes a lever 22 to which one end 23 of the cable 18 is connected.
  • the door 3, the motor 20 and the cable 18 are set up in such a way that a change in a tensile force F1 on the lever 22 with the aid of the motor 20 and the cable 18 causes the pivoting movement of the door 3.
  • the roller 19 is drive-connected to the motor 20 for this purpose.
  • the door 3 is connected to the housing 17 with the aid of a hinge 21, for example.
  • the pivot axis 5 runs through the hinge 21.
  • the door 3 comprises a plate-shaped door section 33 which, when the door 3 is closed, has the loading opening 6 (see 1 ) covered or closed.
  • the roller 19 and the cable 18 are set up in such a way that a driving force is transmitted from the roller 19 to the cable 18 exclusively with the aid of a frictional connection.
  • a friction surface 24 is formed between the roller 19 and the cable 18 for this purpose.
  • the frictional connection takes place, for example, with the help of rope friction.
  • the rope 18 wraps around the roller 19 along a circumferential angle that can be referred to as the angle of wrap ⁇ .
  • the wrap angle ⁇ is between 90° and 540°.
  • the angle of wrap ⁇ remains essentially constant.
  • the rope 18 has the angle of wrap ⁇ around the pulley 19 between 360° and 540°, preferably between 400° and 500°, more preferably between 425° and 475° and even more preferably between 445° and 455°.
  • the wrap angle ⁇ is exactly 450°. This may also be referred to as 1.25 wraps of rope around pulley 19.
  • a maximum tensile force that pulls on the lever 22 can be set or limited.
  • the household appliance 1 includes a spring element 25 which is connected to the housing 17 and to the cable 18 and is set up to at least partially compensate for a weight G of the door 3 .
  • another end 26 of the cable 18 is connected to the spring element 25 .
  • the spring element 25 is designed as a helical spring and a tension spring.
  • the spring element 25 includes an end 30 which is connected to the end 26 of the cable 18 .
  • the spring element 25 includes an end 31 which is firmly connected to the base housing 16 . If the motor 20 now drives the roller 19 in such a way that the door 3 completes an opening movement, then the spring element 25 is lengthened.
  • the household appliance 1 includes a deflection roller 27 which is designed to deflect the cable 18 between the roller 19 and the door 3 .
  • a deflection roller 27 which is designed to deflect the cable 18 between the roller 19 and the door 3 .
  • a rope course can be designed.
  • the angle of wrap ⁇ can be increased or adapted to the geometric boundary conditions of the housing 17 by using the deflection roller 27 .
  • the cable 18 and the pulley 19 are set up in such a way that when an opening angle ⁇ of the door 3 changes due to a manual force F2 acting on the door 3 , the cable 18 slips over the pulley 19 .
  • the opening angle ⁇ is an angle that is spanned between the door section 33 and a vertical plane K, through which the pivot axis 5 runs.
  • the household appliance 1 is designed, for example, in such a way that a combination of spring force F3 and weight G of the door 3 enables the cable to be wound onto the roller 19 and unwound from the roller 19 without slippage at any opening angle ⁇ of the door 3 .
  • the household appliance 1 comprises a control device 28 which is set up to control the motor 20 in such a way that the pivoting movement of the door is brought about.
  • the control device 28 is set up to control the motor 20 in such a way that the door 3 performs a complete opening movement and/or a partial opening movement and/or executes a complete closing movement and/or a partial closing movement.
  • the control device 28 and the motor 20 are coupled to one another in terms of signals (indicated by dashed lines).
  • the household appliance 1 includes a user interface 29 which is set up to communicate with the control device 28 for controlling the motor 20 .
  • operator interface 29 includes a push button, touch display, microphone, sensor, or other input device.
  • roller 19 and/or the cable 18 and/or the spring element 25 and/or the motor 20 and/or the lever 22 can be provided redundantly, for example, and for example along the side walls 10, 11 (see 1 ) be arranged.
  • the 4 shows a partial section IV - IV 1 .
  • the section IV-IV runs through the bottom housing 16.
  • the motor 20 is drive-connected to the roller 19 with the aid of a gear 32, in particular a worm gear.
  • the gear 32 is arranged between the motor 20 and the roller 19 .
  • the roller 19 is rotated about a central axis M by means of the motor 20 and the gear 32 .
  • the roller 19 has a rotational symmetry with respect to the central axis M, for example.
  • the gear 32 is configured to inhibit movement of the roller 19 when torque is applied to the roller 19 from outside the gear 32 . This can occur, for example, when an operator opens the door 3 manually, so that the spring force F3 pulls on the end 26 of the cable 18 and thereby applies a torque to the roller 19. For example, if such a spring force F3 exceeds a certain amount, then the cable 18 slips over the roller 19. Sliding friction then occurs on the friction surface 24.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
EP18782961.9A 2017-10-17 2018-10-04 Haushaltsgerät Active EP3697281B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017218493.0A DE102017218493A1 (de) 2017-10-17 2017-10-17 Haushaltsgerät
PCT/EP2018/076945 WO2019076636A1 (de) 2017-10-17 2018-10-04 Haushaltsgerät

Publications (2)

Publication Number Publication Date
EP3697281A1 EP3697281A1 (de) 2020-08-26
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US11519213B2 (en) 2019-10-31 2022-12-06 Haier Us Appliance Solutions, Inc. Automated door assembly for a dishwasher appliance
EP4114243B1 (de) 2020-03-02 2025-01-22 Miele & Cie. KG Wasserführendes haushaltsgerät mit einer schaltbaren automatischen oder manuellen türöffnungsanordnung
DE102020207064A1 (de) 2020-06-05 2021-12-09 BSH Hausgeräte GmbH Richtungsabhängige Aktivierung der Türbetätigung einer Haushaltsgeschirrspülmaschine
CN111700567A (zh) * 2020-06-17 2020-09-25 珠海格力电器股份有限公司 厨房设备及厨房设备的控制方法
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WO2019076636A1 (de) 2019-04-25
PL3697281T3 (pl) 2023-07-24
EP3697281A1 (de) 2020-08-26
DE102017218493A1 (de) 2019-04-18
CN111225593A (zh) 2020-06-02
CN111225593B (zh) 2023-06-30
US11547269B2 (en) 2023-01-10
US20200281438A1 (en) 2020-09-10

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