EP0702122A1 - Charnière avec point d'appui mobile pour appareils ménagers, en particulier pour fours de cuisson - Google Patents
Charnière avec point d'appui mobile pour appareils ménagers, en particulier pour fours de cuisson Download PDFInfo
- Publication number
- EP0702122A1 EP0702122A1 EP95114184A EP95114184A EP0702122A1 EP 0702122 A1 EP0702122 A1 EP 0702122A1 EP 95114184 A EP95114184 A EP 95114184A EP 95114184 A EP95114184 A EP 95114184A EP 0702122 A1 EP0702122 A1 EP 0702122A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hinge
- door
- previous
- fulcrum
- lever
- 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.)
- Withdrawn
Links
- 238000010411 cooking Methods 0.000 title claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims description 28
- 238000004873 anchoring Methods 0.000 claims 5
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 210000003414 extremity Anatomy 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000004851 dishwashing Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000003319 supportive effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- E05D3/18—Hinges with pins with two or more pins with sliding pins or guides
-
- 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
- E05D3/02—Hinges with pins with one pin
- E05D3/022—Hinges with pins with one pin allowing an additional lateral movement, e.g. for sealing
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/02—Doors specially adapted for stoves or ranges
- F24C15/023—Mounting of doors, e.g. hinges, counterbalancing
-
- 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
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/624—Arms
- E05Y2201/626—Levers
-
- 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
- E05Y2800/10—Additional functions
- E05Y2800/102—Additional wing movements
-
- 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
-
- 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
- E05Y2900/308—Application of doors, windows, wings or fittings thereof for domestic appliances for ovens
Definitions
- the present invention refers to a hinge with a moveable fulcrum for doors having a horizontal rotational axis, in particular for doors of cooking ovens, but generally adaptable to being assembled on any type of tipping door where it is useful or necessary that, in the opening phase, the door advances in such a way that, being downwardly rotated, the lower edge of the door can in no way interfere with the upper edge of eventual panels situated below.
- Both the oven door generally made up of steel plate supplied with an inspection window being of two or three plates of glass, and the doors of dishwashing machines, often covered by a wooden panel and having within the devices connected with the washing, are very heavy and moreover are often used as a temporary supportive element for pots or pans containing food to be cooked or for the baskets containing the dishes to be washed.
- the hinge has to be supplied with balancing springs that allow for an easier and smoother opening, and that allow for, for instance in the case of an oven, maintaining the door in a half opened position and guarantee or contribute to guarantee the sealed closure of the door.
- the forward rotation of the door is generally determined by a tie rod having a hooking element at its extremity that, at the end of its movement, stops on an appropriate ledge laterally fixed on the chassis of the electrical appliance; the tie rod has a shoulder that, interferring with said ledge at a certain angle, allows for maintaining the door in a semi-open position; also such tie rod, due to the way in which it is made, does not allow for adjusting the opening angle or of the intermediate position; finally the weight of the door is usually balanced by a compressed spring, housed in a guide arranged within the door; an extremity of the spring stresses an extremity of the said tie rod with hooking element and knee; however even for such organ an adjustment is not possible: hinges with different balancing forces are therefore only obtained by making available an assortment of springs.
- Such hinge naturally has the advantage of having a kind of moveable fulcrum, which allows the door, apart from overcoming obstacles situated below during rotation, also to be closed with an even pressure along its entire edge.
- a typical defect of the device in addition to those mentioned above, is that, in the moving phase slight vibrations and transversal oscillations of the door are felt, being as that it is not hinged to an actual pintel but to a quadrilateral as mentioned above; such oscillations, even though normal and unavoidable, are interpreted by the user as a point of reference to a poor standard of mechanical quality.
- the aim of the present invention is that of overcoming the aforementioned drawbacks and in particular realising a hinge equipped with a kinematic system that, even though not housed within the door, allows for opening and closing said door with a rotary and translational movement, without interferring with eventual obstacles arranged below and that, in closing, allows for an evenly sealed pressure along the entire edge of the door, in virtue of an approaching movement being substantially translational.
- Further aims of the present invention are also the realisation of important additional functions such as adjusting the balancing stress, the independent determination be it of the range of tranlational movement, and of the rotation and, finally, the height from the floor of the internal face of the door in the fully opened position, and the realisation of final and intermediate blocking points during the course of movement.
- 1 indicates a supporting bracket of the hinge, that is rigidly fixed to the supporting structure of the oven, not illustrated in the figure; the oven naturally has two hinges of the type illustrated in the figures, arranged on the two sides of the opening of the cooking chamber.
- Reference number 2 indicates a return rod, hinged to the supporting bracket 1 by way of a pin 3, while 4 indicates a connecting rod which controls the opening and rotation movement of the hinge.
- Such connecting rod 4 is hinged at an extremity, by way of a pin 5 to the return rod 2, while the other extremity of said connecting rod 4 is hinged, by way of a pin 6, to a fixing plate 7 to an oven door 8.
- the door 8 is equipped for such purpose with two slotted plates 9, for the hooking of fixing arms 10 of the plates 7; each of the slotted plates 9 may have if needed means for avoiding the undesired unhooking of the door 8, for instance a snapping or rotary pin, for simplicity not represented in the figure; on the other hand, upon hooking by way of the fixing arms 10 and the plates 9, the fixing plates 7 may have holes, for their fixing to the door 8 by way of appropriate screws.
- a sliding rod is indicated with 11, blocked so as that it can only move horizontally, upon which a hole for housing a pin 12 is made, with which the plate 7 results in being hinged to the sliding rod 11: the pin 12 therefore constitutes the rotating fulcrum of the door 8.
- roller 13 indicates two rotating rollers, fixed to the sliding rod 11 by way of pin 14; such rollers 13, mobile within respective guides (illustrated with dotted lines) present on the supporting rod 1, guide and keep the sliding rod 11 to a horizontal movement.
- a spiral spring is indicated with 15 that, hooked in an appropriate seat on the supporting rod 1, pushes a blocking roller 16, held in place by an appropriate bush 17, against the upper edge of the sliding rod 11; for this purpose, on the upper edge of the sliding rod 11, notches or projections are present, not represented, that, in virtue of the stress exercised by the roller 16, allow for blocking the door in various positions (final and intermediate).
- Reference number 19 indicates a command rod of the translation movement, hinged, respectively between pins 20 and 21, to the return rod 2 and to the sliding rod 11.
- a pre-stressed spring is indicated with 22, hooked to the return rod 2 and to the supporting bracket 1 by way of holes 23 and 24.
- a hole is indicated on the control rod 4, that is used for blocking the hinge in a semi-open position, particularly useful for the assembly of the door 8; such blocking is obtained by inserting in such hole 25 a contrast pin against the chassis of the oven.
- the functioning of the hinge according to the invention is the following.
- opening the door 8 in the sense indicated by the arrow A a rotation is caused around the pin 12 and a lowering of the return rod 2 by way of the control rod 4 of the rotating movement;
- the return rod 2 further pulls the prestressed spring 22, that therefore functions as a contrast and counterweight upon lowering the door 8;
- the return rod 2 moreover presses against the pin 20 of the control rod 19 of the translation movement, which in turn presses forward the sliding rod 11 upon which it acts by way of the pin 21; the sliding rod 11 thus slides forward on the rollers 13; as a consequence the pin 12, or the fulcrum of the hinge, while the door 8 starts to rotate, moves forward, following the arrow B, rapidly distancing the door itself from the supporting structure of the oven.
- the range of rotation and the sliding forward of the fulcrum are determined by the relative distances between the axis of the rotating pins arranged on two rods 19 and 4, on the return rod 2 and on the plate fixing 7 to the door 8; it also appears clear that, in virtue of the play of the levers, in the initial phase of opening the door 8, to a slight rotation of said door a notable forward translation of the sliding rod 11 corresponds; it is also clear that from the conception of the device according to the invention, the fixing plate 7 to the door 8 is in no way constrained in its form, if not for the position relative to the pins 6 and 12 in relation to the door and the kinematic motion, and can therefore be shaped and for the most appropriate fixing case by case.
- the roller 16, pushed by the spring 15 appropriately pre-stressed meets the mentioned notches or protrusions present on the upper edge of the rod 11, guaranteeing door stops in predetermined positions, from which the door can be moved with muscular force, but not from the weight of the door alone.
- the hinge already fixed to the supportive structure of the oven, is forced in a semi-open position and kept blocked by the said contrast pin, purposely inserted in the hole 25, which comes into contrast with the supportive structure.
- the fundamental characteristic of the invention is that the entire kinematic system is housed within the fixed structure of the electrical appliance upon which the door is arranged, thus allowing for constructing the latter of a thickness being the minimum necessary for its inherent structural, functional and aesthetic requirements, the overall dimensions of the hinge no longer being the decisive factor for its thickness; consequently the fixing means of the door can also be simplified.
- Another characteristic of the hinge according to the invention is that of allowing in a simple manner the realisation of steps for blocking the door in intermediate or terminal positions.
- the hinges according to the invention also allow for the door to exercise a given force on the front of the appliance during the closing phase, in virtue for instance of the action of the spring 22, compensating any eventual misalignment and improving the closure of the door itself.
- the rollers 13 upon which the rod slides can be substituted with fixed guides.
- the hinge according to the invention is used for different series of appliances, having doors of different dimensions and weights, it may be necessary to have a spring able to exercise different balancing stresses; however, in the greater part of the cases, it is possible to maintain a single model of the hinge adjusting from case to case the pre-stressing and lengthening of the spring; in such light, in a second possible variant of the present invention illustrated in figure 3, as an alternative to the single holes 23 and 24 for fixing the spring 22, two series of holes can be provided 23A and 24A on the bracket 1 and on the return rod 2, which allow for selecting the tension of the spring 22 for different applications; in a third possible variation illustrated in figure 4, instead of the two series of holes 23A and 24A, two series of slits 23B and 24B can be provided, having the same purpose, but allowing a greater adjusting range and a quicker hooking of the spring 22.
- the connecting rods 4 and 19 can be substituted by tie rods, of the type known, adjustable in length by way of right-handed and left-handed threaded rods connected by threaded bushes, obviously considering the fact that the variations of the length carried out manually with such method have to be correlated for the two connecting rods (otherwise a distance between the axes being incompatible with a regular movement could be obtained).
- the blocking of the hinge can be realised by way of a revolving plug, not represented, hinged to the rear 26 (fig. 2) of the supporting bracket 1, that can be rotated so as to block the upper edge of the return block 2.
- the hinge according to the invention results in being essentially made up of a system of simple lever linkages, guides and springs assembled in a very compact form, with blocking means of the door in intermediate positions and rapid fixing means to the door; such hinge is made in such a way that the rotating angle and the fulcrum advancement can be different for a range of models, with simple variations of positioning the rotating pins of the levers or by adjusting the length of the levers themselves.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Electric Ovens (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO940720 | 1994-09-13 | ||
IT94TO000720A IT1267455B1 (it) | 1994-09-13 | 1994-09-13 | Cerniera a fulcro traslabile per apparati elettrodomestici, in particolare forni di cottura. |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0702122A1 true EP0702122A1 (fr) | 1996-03-20 |
Family
ID=11412763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95114184A Withdrawn EP0702122A1 (fr) | 1994-09-13 | 1995-09-09 | Charnière avec point d'appui mobile pour appareils ménagers, en particulier pour fours de cuisson |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0702122A1 (fr) |
IT (1) | IT1267455B1 (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003038219A1 (fr) * | 2001-11-02 | 2003-05-08 | Electrolux Home Products Corporation N.V. | Structure de charniere |
EP2362048A3 (fr) * | 2010-02-18 | 2014-06-18 | BSH Bosch und Siemens Hausgeräte GmbH | Appareil ménager, notamment four de cuisson |
WO2017180891A1 (fr) * | 2016-04-14 | 2017-10-19 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co., Ltd | Console pour habitacle de véhicule |
IT201700053708A1 (it) * | 2017-05-18 | 2018-11-18 | C M I Cerniere Mecc Industriali Srl | Dispositivo a cerniera multifunzionale |
EP2054574B1 (fr) * | 2006-07-17 | 2019-03-13 | Grass GmbH | Charnière pour meuble |
EP2855311B1 (fr) * | 2012-05-31 | 2020-07-29 | Weidmüller Interface GmbH & Co. KG | Imprimante dotée d'un dispositif de séparation |
CN114809839A (zh) * | 2022-04-29 | 2022-07-29 | 深圳好博窗控技术股份有限公司 | 一种可调节位置的铰链 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1838898A (en) * | 1929-07-05 | 1931-12-29 | American Cabinet Hardware Corp | Hinge |
DE2204828A1 (de) * | 1972-02-02 | 1973-08-09 | Grob Karl | Scharnierschieber mit kniehebel zur tuerenbefestigung |
DE2422132A1 (de) * | 1974-05-08 | 1975-11-20 | Krause Kg Robert | Klapptisch-beschlag |
US3955865A (en) * | 1974-11-04 | 1976-05-11 | General Electric Company | Oven door counterbalance system |
US4163344A (en) * | 1977-12-08 | 1979-08-07 | Chambers Corporation | Oven hinge mechanism including cam balance modifier |
GB2262601A (en) * | 1991-12-19 | 1993-06-23 | Stoves Ltd | Cookers |
EP0628686A1 (fr) * | 1993-06-11 | 1994-12-14 | Liebherr-Hausgeräte Gmbh | Charnière, de préférence pour un réfrigérateur ou congélateur |
-
1994
- 1994-09-13 IT IT94TO000720A patent/IT1267455B1/it active IP Right Grant
-
1995
- 1995-09-09 EP EP95114184A patent/EP0702122A1/fr not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1838898A (en) * | 1929-07-05 | 1931-12-29 | American Cabinet Hardware Corp | Hinge |
DE2204828A1 (de) * | 1972-02-02 | 1973-08-09 | Grob Karl | Scharnierschieber mit kniehebel zur tuerenbefestigung |
DE2422132A1 (de) * | 1974-05-08 | 1975-11-20 | Krause Kg Robert | Klapptisch-beschlag |
US3955865A (en) * | 1974-11-04 | 1976-05-11 | General Electric Company | Oven door counterbalance system |
US4163344A (en) * | 1977-12-08 | 1979-08-07 | Chambers Corporation | Oven hinge mechanism including cam balance modifier |
GB2262601A (en) * | 1991-12-19 | 1993-06-23 | Stoves Ltd | Cookers |
EP0628686A1 (fr) * | 1993-06-11 | 1994-12-14 | Liebherr-Hausgeräte Gmbh | Charnière, de préférence pour un réfrigérateur ou congélateur |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003038219A1 (fr) * | 2001-11-02 | 2003-05-08 | Electrolux Home Products Corporation N.V. | Structure de charniere |
EP2054574B1 (fr) * | 2006-07-17 | 2019-03-13 | Grass GmbH | Charnière pour meuble |
EP2362048A3 (fr) * | 2010-02-18 | 2014-06-18 | BSH Bosch und Siemens Hausgeräte GmbH | Appareil ménager, notamment four de cuisson |
EP2855311B1 (fr) * | 2012-05-31 | 2020-07-29 | Weidmüller Interface GmbH & Co. KG | Imprimante dotée d'un dispositif de séparation |
WO2017180891A1 (fr) * | 2016-04-14 | 2017-10-19 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co., Ltd | Console pour habitacle de véhicule |
IT201700053708A1 (it) * | 2017-05-18 | 2018-11-18 | C M I Cerniere Mecc Industriali Srl | Dispositivo a cerniera multifunzionale |
WO2018210768A1 (fr) * | 2017-05-18 | 2018-11-22 | C.M.I. Cerniere Meccaniche Industriali S.R.L. | Dispositif de charnière multifonction |
CN114809839A (zh) * | 2022-04-29 | 2022-07-29 | 深圳好博窗控技术股份有限公司 | 一种可调节位置的铰链 |
Also Published As
Publication number | Publication date |
---|---|
ITTO940720A0 (it) | 1994-09-13 |
ITTO940720A1 (it) | 1996-03-13 |
IT1267455B1 (it) | 1997-02-05 |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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AK | Designated contracting states |
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18D | Application deemed to be withdrawn |
Effective date: 19960921 |