EP3265634B1 - Haushaltsgerät und scharnier eines haushaltsgeräts - Google Patents

Haushaltsgerät und scharnier eines haushaltsgeräts Download PDF

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Publication number
EP3265634B1
EP3265634B1 EP16707443.4A EP16707443A EP3265634B1 EP 3265634 B1 EP3265634 B1 EP 3265634B1 EP 16707443 A EP16707443 A EP 16707443A EP 3265634 B1 EP3265634 B1 EP 3265634B1
Authority
EP
European Patent Office
Prior art keywords
hinge
control
control curve
legs
spring
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
EP16707443.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3265634A1 (de
Inventor
Cord Rommelmann
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.)
Hettich ONI GmbH and Co KG
Original Assignee
Hettich ONI GmbH and Co KG
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Publication date
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Publication of EP3265634A1 publication Critical patent/EP3265634A1/de
Application granted granted Critical
Publication of EP3265634B1 publication Critical patent/EP3265634B1/de
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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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/10—Devices for preventing movement between relatively-movable hinge parts
    • E05D11/1007—Devices for preventing movement between relatively-movable hinge parts with positive locking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/06—Hinges with pins with two or more pins
    • E05D3/12—Hinges with pins with two or more pins with two parallel pins and one arm
    • E05D3/122—Gear hinges
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/02—Parts for attachment, e.g. flaps
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/1284—Mechanisms in the shape of hinges or pivots, operated by springs with a leaf or similar spring
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/14—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with fluid brakes of the rotary type
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/16—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with friction brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/20—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/21—Brakes
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/218—Holders
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/47—Springs
    • E05Y2201/48—Leaf or leg springs
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/26—Form or shape
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/45—Manufacturing
    • E05Y2800/465—Pressing
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/67—Materials; Strength alteration thereof
    • E05Y2800/674—Metal
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/312—Application of doors, windows, wings or fittings thereof for domestic appliances for washing machines or laundry dryers

Definitions

  • the invention relates to a hinge of a household appliance for pivotally attaching a cover to a body of the household appliance.
  • the hinge has a first hinge member and a second hinge member, which are connected to one another via a pivot axis and can be pivoted to one another between an open position and a closed position.
  • the first and the second hinge member are U-shaped, each with a base and legs arranged laterally on the base, the legs of the second hinge member engaging around the legs of the first hinge member in the region of a pivot axis.
  • the invention further relates to a household appliance, in particular a washing machine to be loaded from above, with at least one such hinge.
  • washing machines In the top loading models, the washing drum is loaded and unloaded from above.
  • the washing machine is provided with a lid which is folded down into a horizontal position during operation and which can be swiveled up into a vertical or approximately vertical position for loading.
  • washing machines of this type can be made particularly narrow and space-saving due to the orientation of the laundry drum.
  • Other household appliances such as freezers or some types of cooking appliances can also be designed as appliances which can be loaded and unloaded from above and have a pivotable lid.
  • a hinge of the type mentioned at the outset can be used, which has two hinge members which can be pivoted relative to one another about a pivot axis and which are connected to the body on the one hand and the cover on the other.
  • two such hinges are used to store a lid.
  • a hinge of this type is, for example, from the publication DE 1 243 561 known.
  • a lever with an attached roller is pivotally mounted in the hinge housing.
  • the roller is pressed by a compression spring onto a cam-like extension, which is formed on the cover-side hinge part.
  • the cam is shaped in such a way that, on the one hand, the opening of the cover is supported by spring force and, on the other hand, the cover is also held under spring force in the closed position.
  • the publication DE 103 62 318 B4 describes a hinge with comparable functionality for storage a door of a household appliance.
  • a function lever is arranged on a hinge part, which cooperates with a link guide which is arranged on the second hinge part. The interaction of the function lever and the link guide limits the swivel angle range of the hinge and locks the hinge in the respective end positions.
  • EP 2 703 590 A2 describes a hinge for mounting a pivotable lid of a household appliance.
  • a link guide is formed, in which a bolt moves when the hinge is opened or closed, to which a spring engages, which counteracts the weight of the cover.
  • the hinge also has a damper for damping a closing movement of the hinge.
  • an intermediate position in which the lid of the household appliance is completely closed or fully opened is desirable, particularly in the case of washing machines which can be loaded from above.
  • this intermediate position the washing machine drum is ventilated, so that odor formation within the drum is prevented even in long periods of non-use.
  • a cover that is fully open for this purpose Compared to a cover that is fully open for this purpose, however, a more appealing visual impression is achieved and the risk of objects accidentally falling into the washing machine drum is reduced.
  • the latter is particularly relevant for washing machines that are installed in a living room, for example a bathroom.
  • a hinge for a lid of a washing machine with an intermediate position is from the document EP 2 657 394 A2 known.
  • the intermediate position is taken up when the lid is opened and is helpful when only small amounts of laundry need to be added.
  • the intermediate position is therefore only comfortably reached before a laundry process.
  • a hinge according to the invention of the type mentioned at the outset is characterized in that a control lever is rotatably mounted on the first hinge member and a control cam is formed on the second hinge member, in which a control pin formed on the control lever is guided.
  • the control curve is shaped in such a way that when the hinge closes from the open position, an intermediate position is assumed and held until the closing movement continues into the closed position, whereas when the hinge opens from the closed position, the hinge pivots into the open position .
  • a locking trough is formed in the control cam, in which the control pin engages in the intermediate position.
  • the intermediate position of the hinge in which ventilation of the washing machine drum is ensured when the hinge is used in a washing machine, is achieved by the interaction of the control lever and a corresponding control curve.
  • the control curve is designed such that the intermediate position is only assumed when the hinge is moving in one direction, here when moving in the closing direction, whereas when the cover is moved in the other direction, in the present case the opening movement, the hinge past the intermediate position from the Closed pivoted into the open position.
  • the aforementioned combination of a rotatable control lever and control cam can be integrated into the hinge to save space.
  • the movement sequence achieved advantageously blends into the operation of, for example, a washing machine to be loaded from above.
  • the lid can be brought out of the closed position immediately into the open position so that laundry can be removed from the laundry drum.
  • the cover is then swung down again and remains in the intermediate position for ventilation of the washing machine drum, which is preferably assigned a joint angle which differs only slightly from that in the closed position.
  • a pressure on the lid is sufficient, which brings the lid into the closed position, thereby leaving the intermediate position.
  • the lid can then immediately be swung back into the open position so that the machine can be loaded again.
  • the first and the second hinge member are U-shaped, each with a base and legs arranged laterally on the base, the legs of the second hinge member embrace the legs of the first hinge member in the region of a pivot axis.
  • the first and the second hinge member are preferably produced from sheet metal in a stamping and bending process.
  • the hinge can be manufactured easily and inexpensively.
  • a compact structure is also possible, in particular if the control lever is mounted on one of the legs of the first hinge member and the control cam is formed in one of the legs of the second hinge member.
  • the control curve can be embossed into the leg, for example, in a deep embossing process.
  • control curve forms, according to the invention, at least in sections a circumferential path for the control pin, the circumferential path of the control curve being heart-shaped.
  • a heart-shaped path has an incision between the two halves of the heart, which represents the locking recess in which the control pin engages in the intermediate position.
  • a further section of the control curve, into which the control pin moves in the open position of the hinge, can follow the circumferential section of the control curve.
  • the heart-shaped control curve can be formed in the deep embossing process mentioned.
  • an outer contour of the control curve can be formed by, for example, a punched-out recess in the leg and an inner contour of the circumferential path of the control curve can be provided by an insert which is inserted into the recess.
  • the insert has the locking trough.
  • control lever is resilient and / or resiliently mounted and / or the insert is resiliently attached to the leg.
  • the control pin can thus disengage from the locking recess and the control cam in the event of an opening movement of the hinge initially not provided for in the movement sequence. This prevents damage to the hinge if, for example, the lid of the household appliance is forcibly opened from the latched intermediate position.
  • the hinge has a damper, which dampens a movement of the two hinge members relative to one another at least in sections.
  • the damper can be used to move one or both end positions of the hinge gently.
  • the damper is preferably a rotary damper with a gearwheel which is fastened to a hinge member, a gearwheel segment being formed on the other hinge member, in which the gearwheel engages.
  • the damper can be integrated into the hinge to save space.
  • the toothed segment is preferably dimensioned and arranged in such a way that the toothed wheel only engages in the toothed wheel segment when it approaches at least one end position of the hinge.
  • the hinge has a spring, in particular a leaf spring, which is arranged between the two hinge members.
  • the spring ensures that at least one of the end positions is assumed automatically.
  • the spring can be integrated into the hinge without there being any space problems with the latching mechanism or an existing damper.
  • a household appliance according to the invention in particular a washing machine which can be loaded from above, is characterized by a body to which a cover is pivotally attached with at least one previously mentioned hinge.
  • the washing machine has a body 1 with a pivotable cover 2.
  • Body 1 and cover 2 are connected to one another via at least one hinge, preferably two hinges.
  • Such a hinge is for illustration in the 1a-c shown visibly.
  • the hinge has a first hinge member 10 which is connected to the body 1 and a second hinge member 20 which is connected to the cover 2.
  • the hinge is designed as a single-joint hinge with a pivot axis on which the two hinge members 10, 20 are pivotally connected to one another.
  • Fig. 1 shows the washing machine with the lid 2 fully open. In this open position of the lid 2, the latter is standing vertically or almost vertically upwards. Due to the installation position of the hinge corresponds to the open position of the cover 2 an extended or almost extended arrangement of the hinge members 10, 20 to each other.
  • the angle of the hinge members 10, 20 to one another is referred to below as the joint angle ⁇ .
  • the joint angle a increases in the Fig. 1a shown open position of the cover 2 a value ⁇ a of almost 180 °, in the present example 178 °.
  • the opening angle ⁇ a can also be exactly 180 ° or a little over 180 °.
  • the hinge is designed so that it is acted upon by spring force Fig. 1a position shown as the basic position.
  • the washing machine is to be operated, the cover 2 is held in the closed position by a locking device arranged in the body 1 until a washing program has ended. Thereafter, it can be provided that the closing device releases the cover 2, which then automatically moves into the open position by the spring force of the hinge Fig. 1a swings open.
  • a hinge according to the invention can, for example, alternatively be designed such that the articulation angle ⁇ a is in the range of 90 ° when the cover 2 is in the open position and the articulation angle ⁇ c is in the range of 0 ° in the closed position of the cover 2.
  • Fig. 2 shows an embodiment of a hinge that the in connection with the 1a-c has explained functionality, in a schematic isometric exploded view.
  • the hinge has a first and a second hinge member 10, 20 which, as in FIGS Fig.1a-c is shown, can be mounted on a body or lid of a household appliance.
  • Both hinge members 10, 20 are essentially U-shaped in terms of their basic shape, with a base 11 or 21 and two side legs 12 and 22, respectively, which lie opposite each other in parallel. Both hinge members 10, 20 are preferably made of sheet metal, in particular one (galvanized) steel sheet, a stainless steel sheet or an aluminum sheet in a stamping and bending process. Alternatively, the two hinge members can also be made of die-cast zinc.
  • Fastening means are arranged on the respective base 11, 21 of the hinge members 10, 20 in order to be able to fasten the hinge members 10, 20 to the body or to the lid of the household appliance.
  • fastening holes 111 and 211 are provided as fastening means and fastening lugs 112 and 212, respectively.
  • the fastening hole 111 is arranged on a lug formed on an end region of the base 11.
  • the fastening holes 211 are arranged on tabs which lie in the plane of the base 21 but are bent out of the legs 22.
  • fastening means for example fastening holes, can be provided in the legs 12 or 22.
  • the width of the two hinge members 10, 20 are coordinated with one another such that the hinge members 10, 20 can be fitted into one another.
  • the second hinge member 20 is placed on the first hinge member 10, fastening holes 121 and 221 respectively being provided in the legs 12, 22 in the end region, which in the assembled state lie congruently one above the other and through which a bolt 31 is inserted, which has a pivot axis of the hinge.
  • the bolt is also guided by a deflection roller 32, which is thereby arranged rotatably between the legs 12 of the first hinge member 10.
  • the bolt 31 is preferably riveted in the manufacturing process after insertion.
  • the hinge shown has a spring, by means of which the hinge automatically assumes one of the end positions, in the present case the open position, in which the hinge members 10, 20 are oriented essentially stretched out to one another, as the basic position.
  • a leaf spring 33 is provided as a spring, which rests with spring arms 331 and 332 on inner surfaces of the base 11 and the base 21, respectively.
  • the leaf spring 33 can have a single spring leaf or be a spring assembly that consists of a plurality of spring leaves lying on one another.
  • the leaf spring 33 has fastening holes 333 at its free end of the spring arm 332, through which rivets 334 are guided, with which the spring 33 is fastened to the base 21.
  • Corresponding fastening holes 213 for the rivets 334 are provided in the base 21. Furthermore, the leaf spring 33 is guided in the region of the transition between the spring arms 331 and 332 over the deflection roller 32 and is subsequently inserted with the spring arm 331 under insertion tabs 113, which are stamped out of the base 11 of the first hinge member. The insertion tabs 113 connect the spring arm 331 to the first hinge member 10, but allow the two elements to be displaced relative to one another, which is set when the first hinge member 10, 20 is pivoted relative to the second.
  • the insertion tabs are not stamped directly out of the base 11, but are formed on a slide which is slidably mounted on the first hinge member 10.
  • the effective spring force of the leaf spring 33 can be varied and the spring force can thus be adapted, for example, to different weights or geometries of the cover.
  • Other devices for adjusting the spring force are also conceivable, for example an adjusting screw.
  • spring types other than a leaf spring can be used, for example a tension spring, a compression spring or a spiral spring.
  • the leaf spring 33 is shown in the form which results in the hinge position shown.
  • the leaf spring 33 is preloaded such that the spring arms 331 and 332 assume an extended or overstretched position relative to one another. Accordingly, the hinge is brought into the basic position by the leaf spring 33, which in Fig. 1a shown open position of the cover 2 corresponds.
  • a control lever 34 is rotatably arranged on one of the legs 12 of the first hinge member 10 and opens at its free end into an angled control pin 341.
  • the control lever 34 has a fastening hole 342 about which the control lever is rotatably mounted on the leg 12. In the figure facing downward, an extension is formed on the control lever 34, which serves for weight compensation so that the control pin 341 assumes a preferred position.
  • the control lever 34 is rotatably fastened together with a spiral spring 343 by means of a rivet 344 in a corresponding fastening hole 122 on the leg 12.
  • the spiral spring 343 engages in a Fig. 2 unspecified hole in the leg 12 and acts on the control lever 34 with a torque, which in the illustration of the Fig. 2 acts counterclockwise.
  • the spiral spring 343 thus supports the effect of the weight-compensating extension.
  • An opening 124 is made in the corner area between the leg 12 and the base 11 adjacent to the fastening hole 122, through which the control lever 34 with its control pin 341 protrudes.
  • the control pin 341 engages in a control cam 222 which is formed in the adjacent leg 22 of the second hinge member 20.
  • control lever 34 and the control cam 222 require that in connection with the 1a-1c described functionality of the hinge and sets the in Fig. 1b Intermediate position shown, in the cover 2 clicks into place, firmly.
  • the interaction of the control lever 34 and the control cam 222 is subsequently based on the 3a-3c explained in more detail.
  • FIG. 3a-3c is a detailed picture of the in Fig. 2 shown hinge in an assembled state in an isometric sectional view.
  • control lever 34 which projects through the opening 124 and engages with the control pin 341 in the control cam 222.
  • the control curve 222 is a self-contained curve which has different sections 222a, 22a ', 22b, 222c and 222c'.
  • the sections 222a'-c ' form a closed, heart-shaped path, to which the section 222a adjoins in the lower region.
  • the outer contours of the control cam 222 are punched out of the leg 22, the circumferential path being formed in that a heart-shaped insert 23 is inserted in the center of the punched-out area.
  • the insert 23 can be, for example, an elevation in a plastic plate which is placed on the leg 22 from the outside in the region of the control cam 222, preferably clipped on, riveted on or molded on.
  • control cam 222 is embossed into the leg 22 in a deep embossing process.
  • the insert 23 instead of the insert 23, there remains a correspondingly shaped inner region made of the material of the leg 22, the outer edge of which represents the inner contour of the control curve.
  • the control pin 341 is located at the end of the section 222a of the control cam 222. If the second hinge member 20 is pivoted relative to the first hinge member 10, the control pin 241 moves along the sections 222a and 222a 'into the in Fig. 3b Position shown in section 222b, in which the insert 23 has a locking recess 231. The hinge is pressed against the force of the leaf spring 33 acting between the hinge members 10, 20 held the control pin 341 pressed into the locking recess 231 in the intermediate position.
  • the correct direction of movement of the control pin 341 when passing through the described closing and opening movement is determined by the shape of the control cam 222 and by the spiral spring 343 or the weight-compensating extension on the control lever 34.
  • a difference in the depth of the control cam 222 can be provided in particular in the region of the fork between the sections 222a and 222a 'or 222c' in order to guide the control pin.
  • a step is formed at the bottom of the control cam 222. The step prevents the control pin 341 from transitioning from section 222a to section 222c '.
  • Such a depth variation in the control cam 222 requires a certain elasticity of the control lever 34 in itself or through its mounting.
  • one of the two elements, the control pin 341 or the insert 23, can deflect in order to release the locking that has taken place .
  • control cam 222 can be chamfered in the region of the locking recess 231 in such a way that an increased force acting between the two elements mentioned causes the control lever 34 to deflect transversely to its axis of rotation.
  • control lever 34 can be designed, for example, to be resilient.
  • the control pin 341 then moves over the surface of the insert 23 until it engages again in the control cam 222 in one of the sections 222a ', 22c' or 222a.
  • an alternative option for the control lever 34 in its storage can also be provided, for example in such a way that the pivot axis of the control lever 34 can tilt and the control pin 341 can thus leave the control curve in the event of an overload.
  • the insert 23 can move outwards in a direction perpendicular to the surface of the leg 22.
  • the plate carrying the insert 23 and placed on the outside of the leg 22 can be resilient and can only be attached to the leg 22 on one side, so that the insert 23 can deflect outwards.
  • a damping function is also provided, which dampens an opening movement of the hinge when approaching the open position.
  • a damper designed as a rotary damper 35 is attached to the second hinge member 20.
  • the rotary damper 35 has a gear 351, the rotational movement of which is damped in one direction of rotation.
  • a gear segment 123 which in the present case consists of two teeth, is formed on one of the legs 12 of the first hinge member in the region of the pivot axis.
  • the gear segment 123 can particularly preferably be formed in one piece with the first hinge member 10 in the stamping process already mentioned.
  • the interaction of the gear segment 123 with the gear 351 of the rotary damper 35 is shown in the following Fig. 4a and 4b shown in more detail.
  • fastening holes 223 are made in one of the legs 22, in which the damper 35 is fixed with the aid of rivets 352.
  • Fig. 4a and 4b are similar to those in the 3a-3c Isometric sectional views reproduced, the area of the pivot axis of the hinge Fig. 2 detailed in two different angular positions of the hinge. Compared with the viewing directions of the representation of the 3a-c the opposite side of the hinge is shown here, in which the rotary damper 35 is arranged.
  • the Fig. 4a shows a partially open position of the hinge, in which the gear 351 of the rotary damper 35 is not in engagement with the gear segment 123 of the leg 12 of the first hinge member. Accordingly, the two hinge members 10, 20 can be pivoted to one another without being damped.
  • the gear 351 engages in the gear segment 123 and is correspondingly rotated relative to the second hinge member 20 when the second hinge member 20 is pivoted relative to the first hinge member 10.
  • the rotary damper 35 dampens this rotary movement of the gear 351 and thus also the pivoting movement of the second hinge member 20 relative to the first hinge member 10.
  • the engagement of the gear 351 in the gear segment 123 is in the open position of the hinge in Fig. 4b shown.
  • Fig. 4a and 4b also show the end stops for the closing and opening positions of the hinge.
  • an end stop occurs in that the base 21 of the second leg 20 bears against the legs 12 of the first hinge member 10 in the open position.
  • the legs 12 are shaped accordingly for this purpose in order to define the opening angle ⁇ c , which in the present case is somewhat smaller than 180 °.
  • a stop 224 is bent at least on one of the legs 22, which abuts the base 11 of the first hinge member in the closed position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Hinges (AREA)
EP16707443.4A 2015-03-05 2016-03-02 Haushaltsgerät und scharnier eines haushaltsgeräts Active EP3265634B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015103234.1A DE102015103234A1 (de) 2015-03-05 2015-03-05 Haushaltsgerät und Scharnier eines Haushaltsgeräts
PCT/EP2016/054406 WO2016139238A1 (de) 2015-03-05 2016-03-02 Haushaltsgerät und scharnier eines haushaltsgeräts

Publications (2)

Publication Number Publication Date
EP3265634A1 EP3265634A1 (de) 2018-01-10
EP3265634B1 true EP3265634B1 (de) 2020-04-29

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EP16707443.4A Active EP3265634B1 (de) 2015-03-05 2016-03-02 Haushaltsgerät und scharnier eines haushaltsgeräts

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US (1) US10309141B2 (zh)
EP (1) EP3265634B1 (zh)
JP (1) JP6736572B2 (zh)
KR (1) KR20170125041A (zh)
CN (1) CN107407119A (zh)
CA (1) CA2977209A1 (zh)
DE (1) DE102015103234A1 (zh)
RU (1) RU2017133043A (zh)
WO (1) WO2016139238A1 (zh)

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Also Published As

Publication number Publication date
WO2016139238A1 (de) 2016-09-09
RU2017133043A (ru) 2019-04-08
KR20170125041A (ko) 2017-11-13
RU2017133043A3 (zh) 2019-06-24
CA2977209A1 (en) 2016-09-09
CN107407119A (zh) 2017-11-28
DE102015103234A1 (de) 2016-09-08
US10309141B2 (en) 2019-06-04
EP3265634A1 (de) 2018-01-10
JP2018513289A (ja) 2018-05-24
US20180238093A1 (en) 2018-08-23
JP6736572B2 (ja) 2020-08-05

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