EP1183988A2 - Ausbalancierte Scharniervorrichtung mit senkrechter und frontaler Bewegung einer Tür insbesondere für Geschirrspülmaschine - Google Patents

Ausbalancierte Scharniervorrichtung mit senkrechter und frontaler Bewegung einer Tür insbesondere für Geschirrspülmaschine Download PDF

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Publication number
EP1183988A2
EP1183988A2 EP01120308A EP01120308A EP1183988A2 EP 1183988 A2 EP1183988 A2 EP 1183988A2 EP 01120308 A EP01120308 A EP 01120308A EP 01120308 A EP01120308 A EP 01120308A EP 1183988 A2 EP1183988 A2 EP 1183988A2
Authority
EP
European Patent Office
Prior art keywords
mean
door
support
friction
connection
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
EP01120308A
Other languages
English (en)
French (fr)
Other versions
EP1183988A3 (de
EP1183988B1 (de
Inventor
Eros Gherardi
Teresa Ghedini
Ermes Degli Esposti
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.)
CMI SRL
Original Assignee
CMI SRL
CMI SRL
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 CMI SRL, CMI SRL filed Critical CMI SRL
Publication of EP1183988A2 publication Critical patent/EP1183988A2/de
Publication of EP1183988A3 publication Critical patent/EP1183988A3/de
Application granted granted Critical
Publication of EP1183988B1 publication Critical patent/EP1183988B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
    • E05F1/1269—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a traction spring
    • E05F1/1276—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a traction spring for counterbalancing
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4251—Details of the casing
    • A47L15/4257—Details of the loading door
    • A47L15/4261—Connections of the door to the casing, e.g. door 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
    • 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
    • E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
    • E05F1/1253—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring
    • E05F1/1261—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring for counterbalancing
    • 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
    • E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall 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
    • E05Y2201/252—Type of friction
    • E05Y2201/26—Mechanical friction
    • 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
    • E05Y2201/262—Type of motion, e.g. braking
    • E05Y2201/264—Type of motion, e.g. braking linear
    • 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
    • E05Y2900/304—Application of doors, windows, wings or fittings thereof for domestic appliances for dishwashers

Definitions

  • the present invention relates to elements for household electrical appliances and the like.
  • the present invention refers to a counterbalanced hinge device with vertical and frontal movement of a door particularly for dishwashing machine or household electrical appliances and the like in order to counter the door weight and to block this latter in any position and to allow its opening and closing without interfering with elements such as baseboards or similar.
  • the known doors of electrical household appliances such as dishwashing machine, ovens and similar are fixed to the apparatus frame by means of hinges allowing the rotation of said doors between a closing position and an opening position, by rotating on a horizontal axis positioned in the lower portion of the door.
  • hinges fit for translating their revolving axis in order to avoid interferences between the door and baseboards or similar elements.
  • These known hinges include quite complex and therefore expensive articulated joints.
  • hinges have the drawback of having a large encumbrance that reduces the useful volumes of the apparatuses to which the hinges are assembled.
  • hinges which may include means, such as dampers or elastic means, for counterbalancing or holding back the door, eventually loaded by the unknown weight of a panel assembled during the apparatus installation, in whatever intermediary position between the closing and the opening positions.
  • the main drawback of the known hinges consists in the necessity to adjust counterbalancing means with complicated, difficult and expensive regulations or when the deficiency of said counterbalancing means causes the door movements too hard, or too yielding.
  • Another drawback consists in that the counterbalancing regulation of the known hinges must be done during the final installation phase of the related apparatus by unskilled workers, which may regulate badly or skip the regulations with risks of physical damages for the user and the apparatus.
  • Another drawback consists in the inadequate operation stability of the known hinges because of use and variations of the environmental conditions.
  • the main object of the present invention is to propose a counterbalanced hinge device with vertical and frontal movement of a door particularly for dishwashing machine or electrical household appliances and similar, in which the door has also a panel that does not interfere with baseboards or other elements adjacent and beneath the door.
  • Another object is to propose a hinge indifferent to the variations of the operational conditions, fit for counterbalancing the door countering its weight and allowing its stop in every position.
  • Another object is to propose a hinge for counterbalancing doors having varying weight in an interval of several kilograms without needing regulations or settings.
  • a further object of the invention is to propose a hinge having great constructive simplicity and small encumbrance, as well as economically convenient.
  • connection mean 1 indicates a connection mean substantially flat and blocked to a fixing element 10 of the dishwashing machine and numeral 2 indicates a support mean fixed to the door having the optional panel.
  • the support mean 2 has a substantially elongated shape and extends along a vertical plane almost parallel to the connection mean 1.
  • the support mean 2 is linked to the connection mean 1 by means of a crank 4 and a first arm 6.
  • crank 4 is hinged through a first pivot 5 to the connection mean 1 and the remaining end is rotatably connected to the support mean 2 by means of a first pin 3.
  • An end of the first arm 6 is hinged through a second pivot 9 to the connection mean 1 and the remaining end is rotatably connected to the support mean 2 by means of a second pin 7.
  • the pivots, first 5 and second 9, and the pins, first 3 and second 7, have fulcrums and axis respectively orthogonal to the plane of the connection mean 1.
  • the first pivot 5 is fixed to the door closer than the second pivot 9 and is fixed below this latter.
  • the first pin 3 is positioned close to a lower peripheral portion of the support mean 2 and the second pin 7 has a position more central than the longitudinal development of the support mean 2.
  • the distance between the pivots, first 5 and second 9, is bigger than the distance between the pins, first 3 and second 7, so that it causes, changing from a closing condition C of the door to an opening condition A of the same door, this latter raising and moving away from the related opening of the dishwashing machine or the appliance.
  • the hinge includes balancing means 11, for instance consisting of a spring 13 stressed and reacting in extension or compression, and cam means 15 constituted by a shaped plate having approximately a quadrilateral shape.
  • An end of the balancing means 11 is fixed to the fixing means 10 and the remaining end is rotatably fixed to a vertex of the plate 15, while the opposite vertex is rotatably cascade connected to articulated members 8 and to the support mean 2. Consequently a related movement of the cam means 15, countered by the balancing means 11, corresponds to each movement of the door from the closing condition C to the opening condition A and vice versa. Then the balancing means 11, by means of the articulated members 8 and the support mean 2, exert an elastic closing force to the couple of opening forces generated by the door weight and transmitted by this latter to the support mean 2.
  • Friction means 14 are rotatably connected to the two remaining vertexes of the plate 15, by means of studs 17.
  • the friction means 14 slide with the cam means 15 between two walls 12 of the connection mean 1.
  • the walls 12 are almost parallel and perpendicular to the plane defined by the connection mean 1.
  • the balancing means 11 and the articulated members 8 transmit to the cam means 15 respectively an elastic closing force and a reaction force. These opposed forces are misaligned and therefore exert to the cam means 15 a torque, which rotate these latter.
  • the couple of rotating force is transmitted by the cam means 15 to the friction means 14, which transmit consequently to the walls 12 a torque reaction.
  • each friction mean 14 exerts a pressure against the respective wall 12 so producing mutual frictions, particularly producing static friction and a door counterbalancing.
  • connection mean The free longitudinal edges of the walls 12 are folded up toward the inside of the connection mean 1, one towards the other, in such a way to prevent the disengagement of the friction means 14 from said connection mean.
  • the friction means 14 consist of sliding blocks or idle rollers 16 fit for friction sliding on the walls 12.
  • the sliding block or idle rollers 16 are made of plastic material characterized in a predetermined friction coefficient for creating such friction forces to counterbalance an overall weight of the door and/or panel, ranging from 6 to 14 kilograms.
  • the articulated members 8 include a connecting rod 20 whose end are rotatably connected respectively to the first pin 3 and to a first end of a rocking lever 21 that is centrally pivoted on the connection mean 1 by means of a third pivot 23.
  • the articulated members 8 further include a second arm 22 whose ends are rotatably connected respectively to the second end of the rocking lever 21 and to the balancing means 11 to convert 2 the support mean motion in a linear motion of the cam means 15.
  • the hinge device further includes sliding means 24 fixed to the connection mean 1 and interposed between this latter and the support mean 2 in order to prevent the door transversal clearance, by slidably mating the support mean 2.
  • the hinge also includes a block mean 25 and a stop mean 26 respectively carried out in the connection mean 1 and in the support mean 2.
  • the stop means 26 mate the block mean 25 in correspondence of the opening condition A.
  • a hinge variant provides that the walls 12 instead of being parallel, may be convergent. The convergence approximately in the direction of the first pivot 5 increases progressively the pressure exerted by the friction means 14 against the walls 12 and therefore the frictions changing from the closing condition C to the opening condition A.
  • This variant further provides that the elastic closing force of the balancing means 11 and the reaction force of the articulated members 8 are slightly misaligned, for instance of 1 to 5 millimeters and preferably 2,5 millimeters, in correspondence of the closing condition C so that changing from this condition to the opening condition A the sliding block 16, or the idle roller, which slides on the tilted wall 12, causes the rotation of the plate 15 and the progressive misalignment of the elastic closing force from the reaction force and the progressive increase of the arm of said couple and the intensity of said couple so as to transmit a couple of rotating forces progressively higher, which is transmitted by the cam means 15 to the friction means 14.
  • These friction means 14 consequently transmit to the walls 12 a reaction couple progressively greater and such to continuously counterbalance the weight force increase of the door and the optional panel during opening.
  • the main advantage of the present invention is to provide a hinge device for opening and closing a door, also with a panel, without interference with baseboards or other elements close or below the door and fit for counterbalancing the door countering the weight of this latter and allowing its stop in any final or intermediary position.
  • Another advantage is to provide a hinge to counterbalance doors having a weight varying in a wide interval, without needing adjustments or settings.
  • a further advantage of the invention is to provide a hinge device very easy to make and operate and very cheap.

Landscapes

  • Hinges (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Washing And Drying Of Tableware (AREA)
EP01120308A 2000-08-30 2001-08-24 Ausbalancierte Scharniervorrichtung mit senkrechter und frontaler Bewegung einer Tür insbesondere für Geschirrspülmaschine Expired - Lifetime EP1183988B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000BO000505A ITBO20000505A1 (it) 2000-08-30 2000-08-30 Cerniera controbilanciata con spostamento verticale e frontale di un portello particolarmente per lavastoviglie .
ITBO000505 2000-08-30

Publications (3)

Publication Number Publication Date
EP1183988A2 true EP1183988A2 (de) 2002-03-06
EP1183988A3 EP1183988A3 (de) 2003-03-19
EP1183988B1 EP1183988B1 (de) 2007-09-19

Family

ID=11438695

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01120308A Expired - Lifetime EP1183988B1 (de) 2000-08-30 2001-08-24 Ausbalancierte Scharniervorrichtung mit senkrechter und frontaler Bewegung einer Tür insbesondere für Geschirrspülmaschine

Country Status (5)

Country Link
EP (1) EP1183988B1 (de)
DE (1) DE60130527T2 (de)
ES (1) ES2291255T3 (de)
IT (1) ITBO20000505A1 (de)
PT (1) PT1183988E (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1302150A1 (de) * 2001-10-10 2003-04-16 C.M.I. S.r.l. Scharnier mit Vorrichtung zum Ausbalancieren und Bremsen einer Tür
WO2009121815A1 (de) * 2008-03-31 2009-10-08 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsstandgerät, insbesondere geschirrspülmaschine
EP2116167A1 (de) 2008-05-08 2009-11-11 Electrolux Home Products Corporation N.V. Geschirrspüler mit Dämpfmittel zum Dämpfen beim Schließen der Türe
EP2407723A1 (de) 2010-07-14 2012-01-18 Electrolux Home Products Corporation N.V. Gleitscharnier für Haushaltsgerät
EP2620576A2 (de) 2012-01-24 2013-07-31 Atasan Metal Sanayi Ticaret Limited Sirketi Ofenscharnier mit Reibungssystem
RU2500335C2 (ru) * 2008-03-31 2013-12-10 Бсх Бош Унд Сименс Хаусгерете Гмбх Напольный бытовой прибор, в частности посудомоечная машина
ITUB20150164A1 (it) * 2015-02-13 2016-08-13 C M I Cerniere Mecc Industriali Srl Dispositivo a cerniera regolabile e compatto
CN108487806A (zh) * 2018-02-02 2018-09-04 江苏星徽精密科技有限公司 一种具自动闭合和悬停功能的双支点洗碗机铰链
WO2020058366A1 (en) 2018-09-20 2020-03-26 C.M.I. Cerniere Meccaniche Industriali S.R.L. Damped and compact hinge device
IT201800009511A1 (it) * 2018-10-16 2020-04-16 Cmi Cerniere Mecc Industriali Srl Dispositivo a cerniera con fermo labile in posizione di parziale apertura
CN112325471A (zh) * 2020-11-13 2021-02-05 沙雨亭 一种暖通设备机组减震基座

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2667137C2 (ru) * 2014-01-23 2018-09-14 Кобленц С.п.А. Стопорное и демпфирующее устройство для узлов каретки раздвижных дверей для зданий или мебели и подобных им

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3704550A (en) * 1971-05-11 1972-12-05 Westinghouse Electric Corp Dishwasher door counterbalance arrangement
GB2235723A (en) * 1989-09-06 1991-03-13 Cmi Cerniere Mecc Ind Device for effecting semi-automatic opening and closing of doors arranged for pivoting about a horizontal axis
FR2727302A1 (fr) * 1994-11-29 1996-05-31 Fagor S Coop Ltda Mecanisme d'ouverture de la porte d'une machine a laver la vaisselle
EP0859197A2 (de) * 1997-02-17 1998-08-19 C.M.I. S.r.l. Scharniervorrichtung, insbesondere für eine Tür eines elektrischen Haushaltsgerätes o.dgl., mit einer sich während des Öffnens nach oben und nach aussen bewegenden Tür

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3704550A (en) * 1971-05-11 1972-12-05 Westinghouse Electric Corp Dishwasher door counterbalance arrangement
GB2235723A (en) * 1989-09-06 1991-03-13 Cmi Cerniere Mecc Ind Device for effecting semi-automatic opening and closing of doors arranged for pivoting about a horizontal axis
FR2727302A1 (fr) * 1994-11-29 1996-05-31 Fagor S Coop Ltda Mecanisme d'ouverture de la porte d'une machine a laver la vaisselle
EP0859197A2 (de) * 1997-02-17 1998-08-19 C.M.I. S.r.l. Scharniervorrichtung, insbesondere für eine Tür eines elektrischen Haushaltsgerätes o.dgl., mit einer sich während des Öffnens nach oben und nach aussen bewegenden Tür

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1302150A1 (de) * 2001-10-10 2003-04-16 C.M.I. S.r.l. Scharnier mit Vorrichtung zum Ausbalancieren und Bremsen einer Tür
WO2009121815A1 (de) * 2008-03-31 2009-10-08 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsstandgerät, insbesondere geschirrspülmaschine
RU2500335C2 (ru) * 2008-03-31 2013-12-10 Бсх Бош Унд Сименс Хаусгерете Гмбх Напольный бытовой прибор, в частности посудомоечная машина
US9427134B2 (en) 2008-03-31 2016-08-30 BSH Hausgeräte GmbH Stationary household appliance, in particular a dishwasher
EP2116167A1 (de) 2008-05-08 2009-11-11 Electrolux Home Products Corporation N.V. Geschirrspüler mit Dämpfmittel zum Dämpfen beim Schließen der Türe
EP2407723A1 (de) 2010-07-14 2012-01-18 Electrolux Home Products Corporation N.V. Gleitscharnier für Haushaltsgerät
EP2620576A2 (de) 2012-01-24 2013-07-31 Atasan Metal Sanayi Ticaret Limited Sirketi Ofenscharnier mit Reibungssystem
EP2620576A3 (de) * 2012-01-24 2014-07-09 Atasan Metal Sanayi Ticaret Limited Sirketi Ofenscharnier mit Reibungssystem
EP3056644A1 (de) 2015-02-13 2016-08-17 C.M.I. Cerniere Meccaniche Industriali S.r.L. Verstellbare und kompakte scharniervorrichtung
ITUB20150164A1 (it) * 2015-02-13 2016-08-13 C M I Cerniere Mecc Industriali Srl Dispositivo a cerniera regolabile e compatto
CN108487806A (zh) * 2018-02-02 2018-09-04 江苏星徽精密科技有限公司 一种具自动闭合和悬停功能的双支点洗碗机铰链
CN108487806B (zh) * 2018-02-02 2023-08-15 江苏玖星精密科技集团有限公司 一种具自动闭合和悬停功能的双支点洗碗机铰链
WO2020058366A1 (en) 2018-09-20 2020-03-26 C.M.I. Cerniere Meccaniche Industriali S.R.L. Damped and compact hinge device
US11702878B2 (en) 2018-09-20 2023-07-18 C.M.I. Cerniere Meccaniche Industriali S.R.L. Damped and compact hinge device
IT201800009511A1 (it) * 2018-10-16 2020-04-16 Cmi Cerniere Mecc Industriali Srl Dispositivo a cerniera con fermo labile in posizione di parziale apertura
CN112325471A (zh) * 2020-11-13 2021-02-05 沙雨亭 一种暖通设备机组减震基座

Also Published As

Publication number Publication date
ES2291255T3 (es) 2008-03-01
DE60130527D1 (de) 2007-10-31
DE60130527T2 (de) 2008-06-12
ITBO20000505A0 (it) 2000-08-30
ITBO20000505A1 (it) 2002-03-02
EP1183988A3 (de) 2003-03-19
EP1183988B1 (de) 2007-09-19
PT1183988E (pt) 2007-12-12

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