EP1875027B1 - Dispositif a charniere - Google Patents

Dispositif a charniere Download PDF

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Publication number
EP1875027B1
EP1875027B1 EP06724525.8A EP06724525A EP1875027B1 EP 1875027 B1 EP1875027 B1 EP 1875027B1 EP 06724525 A EP06724525 A EP 06724525A EP 1875027 B1 EP1875027 B1 EP 1875027B1
Authority
EP
European Patent Office
Prior art keywords
hinge
piston
arrangement according
articulated
arm
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
EP06724525.8A
Other languages
German (de)
English (en)
Other versions
EP1875027A1 (fr
Inventor
Corinne Resnik
Josef Hecht
Dietmar Blersch
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.)
Liebherr Hausgeraete Ochsenhausen GmbH
Suspa GmbH
Original Assignee
Liebherr Hausgeraete Ochsenhausen GmbH
Suspa 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 Liebherr Hausgeraete Ochsenhausen GmbH, Suspa GmbH filed Critical Liebherr Hausgeraete Ochsenhausen GmbH
Priority to SI200632191T priority Critical patent/SI1875027T1/sl
Priority to PL06724525T priority patent/PL1875027T3/pl
Publication of EP1875027A1 publication Critical patent/EP1875027A1/fr
Application granted granted Critical
Publication of EP1875027B1 publication Critical patent/EP1875027B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • 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
    • E05D3/16—Hinges with pins with two or more pins with seven parallel pins and four arms
    • 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
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/108—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with piston rod protruding from the closer housing; Telescoping closers
    • 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
    • E05F1/1091—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 with a gas spring
    • 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
    • E05Y2201/22—Locks
    • 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
    • E05Y2201/604—Transmission members
    • 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
    • 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
    • E05Y2201/686—Rods, links
    • 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
    • E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators

Definitions

  • the invention relates to a hinge arrangement, in particular a refrigerator housing with a hinged thereto via a hinge hinged refrigerator door.
  • hinge arrangements are for example from the DE 202 07 036 U1 , of the DE 102 37 148 A1 and from the US 2003/0229965 A1 known.
  • the invention has for its object to provide a hinge assembly in which the disadvantages of the prior art are overcome.
  • the object is solved by the features of claim 1.
  • the essence of the invention is to dampen the pivotal movement of two hinged parts made possible by means of a hinge in such a way that a piston-cylinder damping unit is provided which is articulated directly at least at one part.
  • the damping characteristics of piston-cylinder damping unit is much better adjustable such as those of coil springs, which are often used in hinges.
  • the hinge is designed as a multi-joint hinge comprising two four-point joints, which are each hinged by means of a fitting on one of the two parts.
  • the two four-point joints have a common central hinge arm, on which via a mounting arm, the piston-cylinder damping unit is articulated.
  • the one part can be guided through a dead center during an opening movement, so that the first part is in stable end positions both in an opening position and in a closed position.
  • the attachment of the piston-cylinder damping unit via the mounting arm to the central hinge arm can be done, for example, subsequently, in which the mounting arm is attachable to an existing hinge. In a special design of the mounting arm this does not protrude beyond the hinge.
  • a hinge arrangement 1 is a first part, a refrigerator door 2, articulated via hinges 3 to a second part, only partially shown, a refrigerator housing 4, pivotally.
  • the hinge 3 has a vertical pivot axis 5.
  • a plurality of hinges 3 are often arranged one above the other, at least at the upper and lower edges of the refrigerator door 2, which have a common pivot axis 5.
  • a damper 6, also referred to as a piston-cylinder damping unit is provided.
  • This has a substantially cylindrical housing 7, which is closed at one end with an integrally formed with the housing 7 bottom 8.
  • a fastening element 9 is formed, which is provided with a bore 10, whose axis 11 is perpendicular to the central longitudinal axis 12 of the housing 7 and this intersects.
  • a hinge element 14 is fixed with a corresponding bore, wherein the fastening element 9 is pivotally connected to the hinge element 14 by inserting a bolt 15.
  • the housing 7 has a likewise cylindrical interior 16, which is concentric with the axis 12 and is closed at one end by the bottom 8.
  • the interior 16 is bounded in the radial direction by the inner wall 17 of the housing 7.
  • the housing 7 has an opening 18 open to the outside.
  • a piston rod 19 is slidably disposed in the interior 16 in the direction of the axis 12, whose one end 20 protrudes from the housing 7 through the opening 18.
  • a further fastening element 21 is attached, which also has a bore 22, whose axis 23 is perpendicular to the central longitudinal axis 12 and this cuts.
  • an associated articulation element 24 is fixed with a corresponding bore, wherein the fastening element 21 is pivotally connected by insertion of a bolt 25 with the articulation element 24.
  • the distance of the articulation element 24 from the pivot axis 5 is denoted by a.
  • the distance of the articulation element 14 from the pivot axis 5 is denoted by b.
  • the fixed articulation of the damper 6 on the door 2 on the one hand and on the housing 4 on the other hand takes place so that the damper 6 protrudes as little as possible from the door 2 in the direction of the enclosed space, b is thus greater than a.
  • the damper 6 can be arranged at the upper edge and at the lower edge of the door 2.
  • the damper 6 has an extension direction 26 extending parallel to the central longitudinal axis 12.
  • a guide / seal bushing 27 is fixed in the housing 7, through which the piston rod 19 is displaceably guided to the outside.
  • the bush 27 is surrounded in the radial direction and in the direction 26 by the housing 7 and fixed by this. It is seated in an annular wall 28 arranged in the inner wall 17, whereby the bushing 27 is also fixed counter to the direction 26.
  • a working space 29 is formed between the opposite end 26 of the bushing 27 and the bottom 8.
  • the working space 29 is a on the inner wall 17 sealingly abutting, along the axis 12 displaceable piston 30 which is fixed to the housing-side end of the piston rod 19.
  • the piston 30 divides the working chamber 29 into a part of the working space 31 facing the bottom 8 and a part of the working chamber 32 facing the bush 27.
  • the working space 29 is largely, but not completely, filled with a damping fluid 33, in particular oil.
  • the level is indicated by the reference numeral 34. Above the oil level 34 is a gas 35, in particular air.
  • the piston 30 has distributed over its circumference, this along the direction 26 penetrating damping holes 36 which connect the two part-working spaces 31 and 32 with each other.
  • the damping holes 36 are partially closed by valves 37 which are open in a movement in the direction 26 and are closed in a direction opposite to the direction 26.
  • the piston rod 19 concentrically surrounding return spring 38 is arranged. This is biased so that it pushes the piston 30 against the direction 26 in retracted piston rod 19 back into the housing 7.
  • a plurality of longitudinal grooves 39 are uniformly distributed over the circumference. In the area of these longitudinal grooves 39, the piston 30 is not tight against the inner wall 17.
  • a channel 40 is formed between the piston 30 and the base 41 of the longitudinal groove 39.
  • a section 65 along which no longitudinal groove is provided.
  • a section 66 along which the cross section of the longitudinal groove 39 along the direction 26 increases constantly from zero.
  • a section 67 along which the longitudinal groove 39 has a substantially constant cross section.
  • a section 68 along which the cross-section of the longitudinal groove decreases to zero over a short length.
  • a section 69 along which no longitudinal groove is present.
  • the effective in the discharge of the piston 30 in the direction 26 flow cross section of the bores 36 is substantially larger than the maximum cross section of all longitudinal grooves 39 in section 67, so that the bores 36 determine the flow resistance.
  • the effective flow cross-section of the piston 30th counter to the direction 26 is substantially smaller than the flow cross-section of the piston during a movement in the direction 26, so that then the presence of the longitudinal grooves 39 plays a role.
  • Fig. 3 shows the force-speed characteristic of the damper 6 for two different cases.
  • the pull-out force F is shown as a function of the speed v.
  • Two cases A and B are contrasted.
  • A concerns the characteristic curve in which the piston 30 is located in the section in which the longitudinal grooves 39 are arranged. If the piston rod 19 is pulled out along the direction 26, the piston 30 shifts along the direction 26.
  • the damping fluid 30 located in the partial working chamber 32 and the gas 35 located there are moved through the damping bores 36 into the partial working chamber 31 pressed.
  • the damping behavior of the damper 6 is weak.
  • the valves 37 are open.
  • Characteristic curve B shows the damping force when the piston 30 is opposite to the direction 26 behind the end 42 of the longitudinal grooves 39, ie outside the groove 39. Now, the entire damping fluid 33 must be pressed through the still open damping holes 36. The damping force is thus much higher at the same speed, since the available for the fluid 33 cross section is much lower.
  • Fig. 4 shows the damping force of the damper 6 at a constant speed during insertion of the piston 30 counter to the direction 26.
  • the x thus corresponds to a depth.
  • the characteristic has a first plateau area C on, in which the damping force is large. This area corresponds to the part where the piston 30 is outside the longitudinal groove 39.
  • the characteristic curve then has a region D which changes in a linear manner. This corresponds to the area where the cross section of the longitudinal grooves 39 changes continuously.
  • the section D is followed by another plateau section E. This corresponds to the area where the longitudinal grooves 39 have their full constant cross-section.
  • the damping behavior can be adjusted to different heavy refrigerator doors. In addition, it can be ensured that the damping behavior is substantially the same regardless of whether the refrigerator door is heavily loaded with bottles, for example, or not.
  • the closing movement of the door is supported by the now strongly compressed return spring 38.
  • the design of the valves 37 can ensure that the damping when closing the door is greater than when opening the door. It should be ensured that the door does not touch the housing 4. This is also realized by the particular arrangement of the damper 6, since the damper 6 in the closed state of the door 2 is almost parallel to the front of the housing 4 and thus the torque generated by it is low.
  • the return spring 38 also ensures that the door closes completely.
  • the damping behavior of the piston 30 during insertion of the piston rod 19 is essentially determined by the presence or absence of the longitudinal grooves 39.
  • the flow cross-section of the piston 30 is substantially less when pushed against the direction 26 than in the opposite direction. Because of this, the cross section through the longitudinal groove 39 plays an essential role.
  • the piston 30 In the fully extended state, the piston 30 is located approximately as in FIG Fig. 2 shown, still at the height of section 67.
  • the damping behavior is thus relatively small, but still greater than when pushing out of the piston in the direction 26 at the same height.
  • the piston 30 reaches the portion 66, the cross section of the longitudinal grooves 39 decreases and the damping force increases linearly.
  • the damping In section 65, the damping is maximal because the longitudinal grooves 39 are no longer present. It is thus prevented that the refrigerator door 2 abuts when closing on the housing 4.
  • the damping by the effective during insertion holes 36 and the longitudinal grooves 39 is speed-dependent and grooved. The more the door is hit, the stronger the damping. A smooth and secure closing in different loading situations of the door 2 is thus always ensured.
  • damping forces of the damper 6 are, as already explained, in the closing and opening direction of the door 2 of different sizes.
  • the damping forces in terms of speed and closing angle are designed so that a smooth and secure closing of the door 2 are ensured in every loading situation.
  • the damping is designed as low as possible.
  • Fig. 5 to 8 a non-inventive embodiment described. Identical parts are given the same reference numerals as in the embodiment according to FIG Fig. 1 to 4 , whose description is hereby referred to. Constructively different parts, but functionally similar parts receive the same reference numerals with a nach cakes a.
  • the key difference is that the hinge 3a is a multi-joint hinge, in particular a 7-hinge hinge. This has over the first embodiment has the advantage that the door 2 is guided over a dead center when opening and thus represent the opening position and the closed position of the door 2 stable end positions.
  • fittings 63, 64 are provided, which are connected to the door 2 and the housing 4, respectively.
  • All elements of the hinge 3a are formed from bent sheet metal having a substantially U-shaped cross-section.
  • the hinge 3a is thus mirror-symmetrical with respect to a horizontally extending plane of symmetry. For simplicity, only one half of the hinge 3a, namely lying above the plane of symmetry, is shown.
  • the hinge 3a consists essentially and in simplified terms of a first hinged to the fitting 64 parallelogram, to which a second parallelogram is articulated, on which in turn the fitting 63 is articulated. Specifically points the fitting 64 a flat body and a protruding with respect to the door 2 nose 43. At this, a middle hinge arm 45 is pivotally mounted via a hinge 44. At the outer end of the nose 43 is - in Fig.
  • the support arm 46 articulated via a hinge 47.
  • the support arm 46 is not straight, but is bent in the direction of the door 2 so that it does not collide with the housing 4 facing, rounded edge 48 of the door 2 when opening.
  • the arms 45 and 46 are both hinged to an intermediate plate 49 at adjacent joints 50 and 51, respectively.
  • the pivot point 50 is located approximately in the middle of the middle hinge arm 45, the arm 45 thus still extends beyond the hinge 50 addition.
  • the intermediate plate 49 is elongated and bulged in the middle.
  • the hinge 50 is located on the housing 4 end facing.
  • the hinge 51 is located approximately halfway between the hinge 50 and the fitting 63 to which the intermediate plate 49 is articulated via a hinge 52.
  • the nose 43, the arms 45 and 46 and the intermediate plate 49 form with the joints 44, 47, 50, 51 a first four-point joint, approximately a parallelogram.
  • an intermediate arm 54 is articulated via a hinge 53, which is fastened at its other end to the fitting 63 via a hinge 55.
  • the hinge points 52, 50, 53, 55 form a second four-point joint, which is articulated via the rigid central hinge arm 45 on the one hand and on the other hand via the articulated support arm 46 at the second four-point joint.
  • the joints 52, 50, 53, 55 also approximately form a parallelogram. It should be noted that this is only roughly approximated.
  • the hinge 50 does not rest on a line passing through the hinges 44 and 53, but outwardly therefrom toward the housing 4.
  • the center hinge arm 45 is thus light toward the door 2 formed angled.
  • a compression spring 56 via two joints 57, 58 articulated to the intermediate plate 49 and the intermediate arm 54 each pivotally. In the region of the joint 57, the intermediate plate 49 on the aforementioned bulge.
  • the damper 6 with its attached to the piston rod 19 fastening element 21 a, which in Fig. 6 shown in more detail, articulated.
  • a fork 59 with two legs 60 is attached to the outer end of the piston rod 19.
  • the fork 59 has corresponding transversely to the central longitudinal axis 12 open latching openings 61, with which the fork 59 is snapped onto a pivot 53 forming the pin 62.
  • the pin 62 is also guided through corresponding holes in the central hinge arm 45 and intermediate arm 54. It is also possible that the articulation of the free end of the piston rod 19 does not coincide with the joint 53.
  • the articulation can also be done on the arm 45 in the direction of the joint 50 or on an extension then to be provided, which extends beyond the joint 53 to the outside. It is advantageous if the damper 6 is articulated on the center hinge arm 45, since the lever effect achieved thereby is particularly large. By the displacement of the articulation point of the fastening element 21a on the line between the joints 50 and 53, the torque generated can be changed with the same damper 6. For example, the adaptation of the same damper 6 to doors 2 of different sizes and thus different mass can be done.
  • the peculiarity of the center hinge arm 45 opposite the other arms of the 7-hinge hinge is that the arm 45 is simultaneously part of the first four-point joint 44, 50, 51, 47 and the second four-point joint 50, 53, 55, 52. It is possible to attach the free end of the piston rod 19 also on a sheet, the the arm 45 is attached.
  • the damper 6 is hinged at its other end approximately centered on the width of the door 2 on the door 2.
  • Fig. 5 the door 2 is shown in a central opening position, for example at an opening angle of approximately 45 °. This position represents the initially-mentioned dead center of the door. In this position, the distance between the joints 57 and 58, the articulation points of the compression spring 56, minimal.
  • a pivoting towards the in Fig. 7 shown closed position or a pivoting in the in Fig. 8 shown opening position leads to an increase in the distance between the hinge points 57 and 58, that is, the compression spring 56 pushes the door 2 beyond the dead center either in the open position or in the closed position, which are then stable.
  • the in Fig. 5 the door 2 is shown in a central opening position, for example at an opening angle of approximately 45 °. This position represents the initially-mentioned dead center of the door. In this position, the distance between the joints 57 and 58, the articulation points of the compression spring 56, minimal.
  • the opening and closing behavior of the door 2 will be described taking into account the damping characteristic of the damper 6.
  • the piston 30 Before opening the door 2, the piston 30 is in a maximum insertion position. When pulling out the piston rod 19, the damping is minimal, since the comparatively large holes 36 are decisive for the damping behavior.
  • the door 2 can thus be easily opened. From a defined opening angle, the door remains in the open position. Here, the opening forces of the door hinge and the closing forces of the damper compensate each other. When closing the door 2, the valves 37 are closed, the damping of the damper 6 is thus higher.
  • the insertion of the piston rod 19 is simplified by the return spring 38. Beyond the dead center, the complete, damped closing of the refrigerator door 2 by the compression spring 56, the return spring 38 and the increasing damping by the longitudinal grooves 39 is ensured.
  • the damper 6 it is basically possible to attach the damper 6 to both the upper and the lower hinge 3a of the door 2.
  • This can be z. B. in high refrigerators, where the load can be correspondingly higher, be useful.
  • z. B. As refrigerator and freezer, two doors are arranged one above the other.
  • one damper, two dampers or mixed versions can be used for each.
  • the hinging of the damper 6 on the center hinge arm 45 reduces the opening force to be applied when the door 2 is opened. This can be explained by the fact that the damper 6 additionally supports the door 2 and thus reduces the frictional forces in the hinge 3a. The wear of the hinge 3a is thus reduced and the life increases.
  • Fig. 9 an embodiment of the invention described. Identical parts are given the same reference numerals as in the embodiment according to FIG Fig. 5 to 8 , whose description is hereby referred to. Structurally different, but functionally similar parts receive the same reference numerals with a trailing b. The main difference consists in the articulation of the damper 6 on the hinge 3b.
  • a separate fastening arm 70 is provided on the center hinge arm 45 in the region of the joint 53.
  • the arm 70 has at its outer end in the form of a fork with two superimposed, spaced-apart webs 71 on.
  • the webs 71 have aligned bores 72 through which a pin 73 is guided and fixed there.
  • the fastening arm 70 has a contact surface 74 adapted to the outer contour of the central hinge arm 45.
  • the attachment arm 70 is connected by a screw 75 to the center hinge arm 45. It can also find other connection options such as riveting, welding, etc. use.
  • the attachment arm 70 is perpendicular to in Fig. 9 illustrated plane has a smaller thickness than it has the hinge 3b. As a result, the attachment arm 70 does not project beyond the hinge 3b.
  • the fastening element 21b is formed as a rod-shaped head with a bore through which the pin 73 is guided.
  • the fastening element 21b is thus held between the two webs 71 and around the pin 73 pivotable.
  • Fig. 10 a non-inventive embodiment described. Identical parts are given the same reference numerals as in the embodiment according to FIG Fig. 5 to 8 , to the description of which reference is hereby made. Structurally different, but functionally similar parts receive the same reference numerals with a c.
  • the main difference consists in the articulation of the fastening element 21c on the central hinge arm 45c. This is extended beyond the joint 53 to the outside and thus has a relation to the hinge 53 outwardly projecting portion 76.
  • the section 76 consists of two stacked, fork-shaped projecting webs with aligned holes 77 through which a pin 78 is guided and fixed there.
  • the head-like fastening element 21c has a bore through which the pin 78 is guided.
  • the element 21 c is thus fixed between the webs and pivotable about the pin 78.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refrigerator Housings (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Hinges (AREA)
  • Fluid-Damping Devices (AREA)

Claims (14)

  1. Ensemble,
    a. comprenant une première pièce (2),
    b. une deuxième pièce (4) articulée de manière pivotante sur la première pièce (2) par l'intermédiaire d'une charnière (3b),
    dans lequel
    c. une ferrure (63) est reliée à la première pièce (2) et une autre ferrure (64) est reliée à la deuxième pièce (4),
    d. la charnière (3b) est une charnière à articulations multiples,
    dans lequel
    e. une unité d'amortissement à piston-cylindre (6) est prévue,
    i. laquelle est agencée de manière à agir entre la première pièce (2) et la deuxième pièce (4) pour amortir un mouvement pivotant des deux pièces (2, 4) l'une par rapport à l'autre, et
    ii. laquelle est articulée au moins sur une pièce (2, 4),
    f. la charnière (3b) comprend une première articulation à quatre points articulée sur la ferrure (64) et une deuxième articulation à quatre points articulée sur la ferrure (63), les deux articulations à quatre points étant reliées de manière articulée l'une à l'autre,
    g. la charnière à articulations multiples comprend un bras central de charnière (45) sur lequel l'unité d'amortissement à piston-cylindre (6) est articulée par l'intermédiaire d'un bras de fixation (70),
    h. le bras de fixation (70) est séparé du bras central de charnière (45), et
    i. le bras central de charnière (45) fait simultanément partie intégrante de la première articulation à quatre points et de la deuxième articulation à quatre points.
  2. Ensemble selon la revendication 1, caractérisé en ce que l'unité d'amortissement à piston-cylindre (6) comprend un piston (30) qui est guidé mobile dans un boîtier (7) et qui divise une chambre de travail (29) en une première chambre de travail partielle (31) et en une deuxième chambre de travail partielle (32).
  3. Ensemble selon la revendication 2, caractérisé en ce qu'un ressort de rappel (38) relié au piston (30) et destiné à rappeler le piston (30) d'une position déployée dans une position de départ est prévu dans le boîtier (7).
  4. Ensemble selon la revendication 3, caractérisé en ce que la chambre de travail (29) est remplie en partie d'un fluide d'amortissement (33).
  5. Ensemble selon la revendication 4, caractérisé en ce qu'au moins une rainure d'amortissement (39) permettant de modifier le comportement d'amortissement est ménagée au moins le long d'une partie de la paroi intérieure (17) du boîtier (7).
  6. Ensemble selon la revendication 1, caractérisé en ce que l'unité d'amortissement à piston-cylindre (6) est articulée sur la charnière à articulations multiples.
  7. Ensemble selon la revendication 1, caractérisé en ce que le bras central de charnière (45 ; 45c) est articulé de façon indirecte au moins sur une partie (2, 4).
  8. Ensemble selon la revendication 7, caractérisé en ce que le bras central de charnière (45 ; 45c) est articulé sur la deuxième partie (4) de façon directe par l'intermédiaire d'une articulation (44).
  9. Ensemble selon la revendication 8, caractérisé en ce que le bras central de charnière (45 ; 45c) est articulé sur la première partie (2) au moyen d'au moins un bras (49, 54) séparé.
  10. Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité d'amortissement à piston-cylindre (6) comprend un ressort de rappel (38) qui est précontraint de telle sorte qu'il pousse un piston (30) à nouveau dans un boîtier (7) à l'encontre d'une direction d'extraction (26), lorsque la tige de piston (19) est déployée.
  11. Ensemble selon la revendication 10, caractérisé en ce que le ressort de rappel (38) est réalisé sous la forme d'un ressort hélicoïdal et est agencé entre le piston (30) et une douille (27) de manière à entourer la tige de piston (19) de façon concentrique.
  12. Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que la charnière (3b) comprend une position de point mort, à partir de laquelle la première pièce (2) peut être déplacée lors de son pivotement au-delà de la position de point mort dans une position d'ouverture ou dans une position de fermeture en tant que positions finales stables.
  13. Ensemble selon la revendication 12, caractérisé en ce qu'un ressort de pression (56) est précontraint entre des points d'articulation (57, 58), dans lequel un écart entre les points d'articulation (57, 58) est minimal dans la position de point mort, de sorte que le ressort de pression (56) pousse la première pièce (2) au-delà de la position de point mort soit dans la position d'ouverture soit dans la position de fermeture.
  14. Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que, à partir d'un angle d'ouverture pouvant être défini, la première pièce (2) reste dans une position ouverte, dans lequel en particulier les forces d'ouverture de la charnière (3b) et les forces de fermeture de l'élément d'amortissement à piston-cylindre (6) se compensent.
EP06724525.8A 2005-04-26 2006-04-24 Dispositif a charniere Active EP1875027B1 (fr)

Priority Applications (2)

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SI200632191T SI1875027T1 (sl) 2005-04-26 2006-04-24 Šarnirska razmestitev
PL06724525T PL1875027T3 (pl) 2005-04-26 2006-04-24 Układ zawiasu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005019325 2005-04-26
PCT/EP2006/003742 WO2006114255A1 (fr) 2005-04-26 2006-04-24 Dispositif a charniere

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EP1875027A1 EP1875027A1 (fr) 2008-01-09
EP1875027B1 true EP1875027B1 (fr) 2017-06-07

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US (1) US7886407B2 (fr)
EP (1) EP1875027B1 (fr)
JP (1) JP2008539346A (fr)
KR (1) KR20080002821A (fr)
CN (1) CN101166882B (fr)
DK (1) DK1875027T3 (fr)
ES (1) ES2637513T3 (fr)
PL (1) PL1875027T3 (fr)
RU (1) RU2386773C2 (fr)
SI (1) SI1875027T1 (fr)
WO (1) WO2006114255A1 (fr)

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Also Published As

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PL1875027T3 (pl) 2017-11-30
DK1875027T3 (en) 2017-09-18
US7886407B2 (en) 2011-02-15
CN101166882A (zh) 2008-04-23
US20080189906A1 (en) 2008-08-14
KR20080002821A (ko) 2008-01-04
CN101166882B (zh) 2011-09-07
JP2008539346A (ja) 2008-11-13
WO2006114255A1 (fr) 2006-11-02
RU2386773C2 (ru) 2010-04-20
RU2007133908A (ru) 2009-06-10
SI1875027T1 (sl) 2017-12-29
EP1875027A1 (fr) 2008-01-09
ES2637513T3 (es) 2017-10-13

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