EP0207251B1 - Ferme-porte - Google Patents

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Publication number
EP0207251B1
EP0207251B1 EP86105855A EP86105855A EP0207251B1 EP 0207251 B1 EP0207251 B1 EP 0207251B1 EP 86105855 A EP86105855 A EP 86105855A EP 86105855 A EP86105855 A EP 86105855A EP 0207251 B1 EP0207251 B1 EP 0207251B1
Authority
EP
European Patent Office
Prior art keywords
closer
piston
toothed
axle
door
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.)
Expired - Lifetime
Application number
EP86105855A
Other languages
German (de)
English (en)
Other versions
EP0207251A2 (fr
EP0207251B2 (fr
EP0207251A3 (en
Inventor
Georg Scheck
Fritz Feucht
Ralf Dr. Storandt
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.)
Geze GmbH
Original Assignee
Geze Grundstuecks und Beteiligungs 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6275117&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0207251(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to AT86105855T priority Critical patent/ATE63597T1/de
Application filed by Geze Grundstuecks und Beteiligungs GmbH filed Critical Geze Grundstuecks und Beteiligungs GmbH
Priority to DE3645314A priority patent/DE3645314C5/de
Priority to DE3645137A priority patent/DE3645137C2/de
Priority to DE3645315A priority patent/DE3645315C5/de
Priority to DE3645313A priority patent/DE3645313C2/de
Priority to DE3638353A priority patent/DE3638353C3/de
Publication of EP0207251A2 publication Critical patent/EP0207251A2/fr
Priority to EP87105520A priority patent/EP0243786B2/fr
Priority to AT87105520T priority patent/ATE56500T1/de
Priority to JP62107894A priority patent/JPH0781453B2/ja
Publication of EP0207251A3 publication Critical patent/EP0207251A3/de
Publication of EP0207251B1 publication Critical patent/EP0207251B1/fr
Application granted granted Critical
Publication of EP0207251B2 publication Critical patent/EP0207251B2/fr
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
    • 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
    • E05F3/104—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 cam-and-slide transmission between driving shaft and piston within the closer housing
    • 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
    • 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
    • E05F3/102—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 rack-and-pinion transmission between driving shaft and piston within the closer housing
    • 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
    • E05F3/106—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 crank-arm transmission between driving shaft and piston within the closer housing
    • 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
    • E05F3/225—Additional arrangements for closers, e.g. for holding the wing in opened or other position mounted at the bottom of wings, e.g. details related to seals, covers, connections to the wings, embedding in the floor
    • 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
    • E05Y2201/499—Spring tensioners; Tension sensors
    • 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
    • E05Y2201/688—Rollers
    • 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
    • E05Y2201/696—Screw mechanisms
    • E05Y2201/70—Nuts
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • 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
    • E05Y2800/12—Sealing
    • 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
    • E05Y2800/20—Combinations of elements
    • E05Y2800/22—Combinations of elements of not identical elements of the same category, e.g. combinations of not identical 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
    • E05Y2800/28—Form or shape tubular, annular
    • 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
    • E05Y2800/40—Physical or chemical protection
    • 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
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S16/00—Miscellaneous hardware, e.g. bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance
    • Y10S16/09—Hydraulic actuated checks, closers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S16/00—Miscellaneous hardware, e.g. bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance
    • Y10S16/10—Spring actuated checks and closers

Definitions

  • the invention relates to a door closer according to the preamble of patent claim 1.
  • Such a door closer is known from US-PS 28 90 474.
  • the inner piston is part of the hydraulic damping system.
  • the outer piston only interacts with the closer spring.
  • the gear elements are relatively complex cam disks with several pressure rollers. You build relatively large. Thanks to the independent control of the inner piston, a special damping characteristic with favorable closing and opening damping can be set.
  • the torque curve is largely determined by the outer piston, which interacts with the closer spring. An optimal torque curve and at the same time small design is not obtained with the known construction.
  • the gear elements drive the pistons in opposite directions. Furthermore, it is provided that the closing spring is guided on a hollow cylinder arranged fixed in the closer housing and a slider serving as an abutment can be displaced in slots at the ends thereof in such a way that the slider facing the closer axis by means of a roller on one on the closer axis seated cam disc and the other slider is connected by a link to a crank which is mounted in the end of the housing opposite the closer axis and is non-positively connected to the closer axis by a chain drive.
  • this known device has an extremely complex structure and, on the other hand, offers only limited possibilities with regard to the specification of a specific closing force curve.
  • the invention further relates to a door closer according to the preamble of claim 7.
  • Such a door closer is known from FR-PS 966 '945. It has a closer housing hinged to the door.
  • the closer shaft is connected to an eccentrically mounted elliptical gear, which meshes with an oblique rack on the piston side.
  • This conventional elliptical gear a gear ratio adapted to the course of the closing force is obtained due to the lever arms of the elliptical gear having different lengths.
  • an optimal closing force curve with a compact design is not achieved.
  • the eccentricity is limited by the required minimum wall thickness of the pinion and, on the other hand, the transmission ratio is also determined by the elliptical pitch curve.
  • the object of the invention is to provide a door closer that delivers a favorable torque curve with a compact design.
  • the effective total closing torque can be varied over a wide range, depending on the opening angle, by means of pistons which can be acted upon in a predefined manner and different ratios against the respective spring force, since the total closing torque results from the addition of the individual closing torques assigned to the two pistons and thus, for example, a proportionally increasing closing torque can be combined with a closing torque that is high at a small opening angle and then decreases in a predefinable manner, so that, for example, in the area of a small opening angle a correspondingly high total closing torque is selected and this total closing torque can then be reduced to a lower closing torque which is essentially constant over the entire opening angle.
  • the combination of the closing torques originating from the two pistons can generate an overall closing torque which also provides a fully satisfactory closing force curve when the closer axis or closer shaft is arranged relatively close to the door pivot bearing, surprisingly short guide rails can be used, which results in a particularly favorable visual appearance.
  • the two pistons are supported by a compression spring on a stop fixed to the housing, in particular an adjustable stop. Even if the preload of the two springs is changed by the adjustable stop, the overall characteristic specified by the gear elements is retained.
  • the closer axis or closer shaft is arranged in a corner region of the housing and is coupled to the gear elements having different transmission functions via an axially fixed gear wheel.
  • This arrangement enables an extremely low K value, the small transverse dimension being of particular importance.
  • the gearwheel assigned to the closer axis can be moved directly to the edge of the housing, and it is also possible to choose different gearwheels in order to vary the course of the force achieved.
  • the side K dimension for floor door closers for single-action doors can be 20 mm.
  • a door closer is provided with the features of claim 6, wherein the gear elements drive the two pistons in opposite directions and the compression spring is supported between the two pistons.
  • the curvature of the first rolling curve section is smaller than the curvature of the third rolling curve section, correspondingly eccentric mounting can also be provided when using a relatively thick pinion shaft, without the wall thickness of the pinion in the region of the shaft bearing becoming too small.
  • the axis of the eccentric pinion therefore preferably runs in a region of the pinion which is arranged closer to the first pitch curve section than the third pitch curve section.
  • the pitch curve of the pinion consists of a plurality of directly merging circular sections, the radii of which are different and the centers of which are offset from one another, with a first circular section associated with the large opening angles of the closer with radius R 1, a second, the middle one Opening angles of the normally open circle section with radius R 2, which is substantially larger than the radius R 1 of the first circular section; a third circular section assigned to the area with a small opening angle and having a radius R 3 which is smaller than the radius R 1 of the first circular section.
  • a particularly good efficiency is obtained in versions in which the piston-side toothing assigned to the eccentric pinion runs in accordance with an elongated S-shaped rolling curve.
  • the steepness of the S-shaped pitch curve can be optimized by choosing the appropriate radius R 2. If the slope is too steep, the lateral force and thus the wall friction in the closer is too great. If the slope is too low, the drop in torque between small and large opening angles becomes too small and the accessibility too poor.
  • a feature characterized by special compactness, low manufacturing costs and high operational reliability provides that the piston-side toothing is formed on a rack-shaped extension of the piston and this extension forms a wall section of the piston designed as a hollow piston, the eccentric pinion being located in the piston cavity.
  • the closer axis or closer shaft is arranged in a corner region of the housing and via two eccentrics cal pinion coupled with the toothing assigned to the piston. In this way, very high gear ratios can be achieved with an extremely compact structure without sacrificing functionality and operational reliability or service life.
  • the closer axis or closer shaft is coupled via an eccentric pinion to a center-symmetrical tooth segment which is pivotally mounted and is articulated via a connecting element with a piston, which is spring-loaded on both sides with respect to a middle position corresponding to the closed position.
  • the closer axis is in turn preferably arranged in a corner region of the housing and connected to an eccentric pinion, which is connected via an eccentric toothed segment, the pivot axis of which is preferably in the housing half opposite the closer axis , and connected to the piston via a link member articulated on this toothed segment, which is biased by a spring against a first fixed stop and is movable up to a second fixed stop.
  • a double-piston arrangement is provided in a closer housing 1, which is formed by an outer piston 5 designed as an annular piston and an inner piston 8 which is coaxial with it and passes through the annular piston and is guided by the annular piston.
  • a first compression spring 9 is assigned to the outer piston 5 and a second compression spring 10 is assigned to the inner piston 8. Both springs are preferably supported on a common, in particular adjustable stop 16.
  • the outer bulb 5 is sealed with respect to the housing wall by means of a seal 14, while a seal 13 is provided between the outer bulb and the inner bulb 8.
  • a plastic sleeve 12 held in the outer bulb 5 serves to protect the sliding surfaces.
  • the outer bulb 5 has at least one shoulder which extends in the direction of the housing end opposite the fixed stop for the springs 9, 10 and which is designed as a toothed rack 4.
  • This rack 4 meshes with a gear 3, which is rotatably connected to the closer axis 2.
  • the resulting lever arm between rack 4 and closer axis 2 is designated by the letter a.
  • the control member 6 is in the form of a cam disc, the course of the cam outer surface, which cooperates with the fixed stop 7, can be selected in accordance with the respectively required closing torque course.
  • the closer is in a position corresponding to a closed wing, and the fixed stop 7 lies against a contact surface 11 of the control element 6, in which a lever arm b results with respect to the closer axis 2.
  • This lever arm b can be larger than the lever arm a between gear 3 and rack 4.
  • a second closing torque can be generated via the cam-shaped control member 6 by the inner piston 8, which is large at small opening angles and then decreases in the course of increasing opening angles, and possibly drops so much that, at large opening angles, it is even opposite to the closing moment resulting from the outer bulb.
  • the outer piston is provided with spaced double toothed racks 4 and the control member 6 and the fixed stop 7 are located between these two toothed racks and the inner piston 8 via a support guide shoulder 22 on a corresponding one Sliding surface of the racks is guided. In this way, the forces occurring are optimally absorbed and wear and tear is minimized.
  • FIG. 2 The embodiment variant of the invention shown in FIG. 2 is intended for hinged doors in the same way as the embodiment according to FIG. 1, but is specifically designed as a floor door closer.
  • the control member 6 has a modified outer contour that can generate a negative closing torque due to the reduction in the radius and thus the lever arm in the area assigned to the large opening angles.
  • the total torque, originating from the outer piston and inner piston, is still positive, but it is avoided by the contribution of the inner piston with a large opening angle that the compression spring 9 assigned to the outer piston 5 causes a further, no longer required increase in the closing torque.
  • k-dimension which should be as small as possible, is of particular importance for floor closers.
  • FIG. 3 A further embodiment of the invention is shown in FIG. 3, the same reference numerals as in FIGS. 1 and 2 also being used in this figure for the same elements.
  • a special control element 6 which is no longer designed as a pure cam disc, but consists of a disc element toothed on a partial area of its circumference, which engages in a toothed rack attachment 17 of the inner piston 8 by means of a tooth section in the area of small opening angles and comes out of engagement from a predeterminable opening angle.
  • the inner piston 8 is connected via a rigid or flexible connecting element 21 to an eccentric element 20 which is attached to the gear 3.
  • the connecting element 21 is articulated on the outer region of the eccentric 20. This articulation is carried out in such a way that when the closer axis moves counterclockwise and the wing is opened, the inner piston 8 is moved in the direction of the closer axis and thus in the opposite direction to the outer piston 5.
  • a compression spring 19 is provided, which takes over the function of the previously described two compression springs 9, 10 in this embodiment.
  • Fig. 5 shows a schematic of a pinion 25 to be connected to a closer shaft, which meshes with a piston-fixed toothing 27.
  • the toothed pinion 25 has a pitch curve 26, which is composed of a first circular section with the radius Ri, a continuously adjoining circular section with the radius R 2 and an in turn continuously adjoining circular section with the radius R 3 .
  • the middle pitch curve section with the radius R 2 has the smallest curvature, ie the radius R 2 is significantly larger than the radii R and R 3 .
  • the rolling curve section with the smallest radius R 3 is in the shown schematic representation in engagement with the toothing 27, wherein the position shown corresponds to the opening angle zero of the closer, ie the associated door is closed. If the door is opened, then the spring force acting on the piston and thus on the toothed rack carrying the toothing 27 is effective via the lever arm A, ie a high closing force is available in the area of small opening angles.
  • the lever arm decreases in accordance with the selected course of the rolling curves, to the value B, which corresponds to the radius R 1 of the rolling curve 26 of the pinion.
  • the ratio of A to B is 2: 1. This ratio corresponds to the translation achieved.
  • the maximum pressure angle in an embodiment according to FIG. 5 is marked with a.
  • FIG. 6 shows an arrangement particularly suitable for floor door closers.
  • an eccentric pinion 30 is connected to the closer axis, which meshes with a further, rotatably mounted, eccentric pinion 25, which in turn is in engagement with a toothing 27 which is fixedly connected to the piston, in particular in the form of a rack.
  • the pitch curve 31 of the eccentric pinion 30 extends with respect to the axis of rotation such that the lever arms effective with respect to the pinion 25 change from the maximum value A 3 to the minimum value B 3 over the full opening angle of the closer.
  • the rolling curve 31 of the pinion 30 is assigned a rolling curve 29 on the pinion 25, which is indicated by dashed lines and extends approximately over half the circumference of the pinion 25.
  • the other half of the circumference of the pinion 25 has a rolling curve 26 which interacts with the toothing 27 and which, in turn, is associated with the very flat rolling curve 28 of the toothing 27.
  • the minimum effective radius of the pinion 25 is marked with B 2 and the maximum effective radius with A 2 .
  • the translation ratio is determined from the product of the individual translations, ie in the present case from the product A ratio of, for example, 4.5 to 1 can be achieved without problems in practice.
  • Fig. 4 shows a partial sectional view of an overhead door closer designed according to the invention.
  • a piston 33 is arranged, which is biased in the usual way by means of compression springs 34 in the closed position.
  • the piston 33 In its area facing away from the springs 34, the piston 33 has a recess or a cavity 32 in which an eccentric pinion 25, which is connected in a rotationally fixed manner to the closer shaft, is arranged.
  • This pinion 25 is in engagement with a toothing 27 which is matched with regard to its rolling curve to the corresponding rolling curve of the pinion 25.
  • a check valve 43 belonging to the damping device is provided in the area of the piston recess 32 on the spring side.
  • Fig. 8 shows an embodiment of the invention in the form of a floor door closer for swing doors.
  • the eccentric pinion 25 is arranged in a corner region of the housing 1 in order to achieve the most compact possible construction and is in engagement with a center-symmetrical tooth segment 35 articulated and is connected via a lever 36 to the piston 33.
  • the lever 36 is hinged at both ends.
  • the piston 33 is provided with a rod 38 which carries an axially adjustable support and guide disk 39 in the region of its end. Between this support and guide plate 39 and a stop sleeve 37 directly adjacent to the piston 33 in the middle position, a compression spring 34 is arranged, which is acted upon depending on the direction of the pivoting movement of the associated swing door, on the one hand via the support and guide plate 39 when supported on the stop sleeve 37 and on the other hand by the stop sleeve 37 when supported on the support and guide sleeve 39 which is fastened to an adjustable sleeve 40 which on the one hand slidably receives the piston rod 38 and on the other hand from the outside of the housing in the axial direction can be adjusted.
  • the course of the closing force can in turn be predefined optimally.
  • Fig. 9 shows an embodiment of the invention in the form of a floor door closer for hinged doors.
  • the eccentric pinion 35 is in turn preferably arranged in a corner region of the housing and cooperates with an eccentric segment 41 which is pivotally mounted and is coupled to the piston 33 via a connecting rod 36.
  • the cup-shaped piston 33 is biased by a spring 34 against the bottom of the housing 1 and movable between this bottom and a housing stop 42.
  • the eccentricities or rolling curves of the pinion 25 and toothed segment 21 can in turn be selected in accordance with the desired closing force profile.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Lock And Its Accessories (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Claims (17)

1. Ferme-porte composé d'un dispositif à piston guidé dans un boîtier (1) et couplé mécaniquement à un axe ou arbre de ferme-porte (2) monté rotatif, d'au moins un ressort de fermeture (9, 10) qui coopère avec le dispositif à piston, et d'un dispositif amortisseur hydraulique, le dispositif à piston étant composé de deux pistons (5, 8) disposés coaxialement l'un à l'intérieur de l'autre et pouvant coulisser l'un par rapport à l'autre, qui prennent appui par l'intermédiaire d'au moins un ressort de compression (9, 10) contre une butée (16) solidaire du boîtier et en particulier réglable, ces deux pistons (5, 8) étant accouplés à l'axe ou à l'arbre (2) du ferme-porte par l'intermédiaire d'éléments de mécanisme séparés (3, 4 ; 6, 7) qui assurent différentes fonctions, caractérisé, en ce que le piston extérieur (5), réalisé sous la forme d'un piston annulaire, est accouplé au moyen d'une crémaillère (4) à une roue dentée (3) elle-même accouplée à l'axe ou l'arbre (2) du ferme-porte et en ce que le piston intérieur (8) guidé par le piston annulaire est actionné, par un organe de commande (6) lui aussi accouplé à l'axe ou arbre (2), avec un bras de levier qui varie en fonction de l'angle de rotation de l'axe ou arbre (2) du ferme-porte.
2. Ferme-porte selon la revendication 1, caractérisé en ce que l'organe de commande (6) est constitué en particulier par une came et coopère avec une butée fixe (7) portée par le piston intérieur (8) et qui peut être constituée en particulier par un galet, en ce que la butée fixe (7) est déportée latéralement en direction de la crémaillère par rapport à l'axe du piston,et en ce que dans la région des petits angles de rotation, le bras de levier effectif entre la butée (7) et la came (6) est plus grand que le bras de levier effectif entre la crémaillère (4) et la roue dentée correspondante (3).
3. Ferme-porte selon la revendication 2, caractérisé en ce que la came (6) possède un rayon continuellement variable, sensiblement sur une région angulaire d'environ 180` , tandis que, dans la position correspondant à la position de fermeture, la butée fixe (7) est appuyée contre une surface de rencontre (11) qui se raccorde au contour extérieur de la came (6) par l'intermédiaire d'une région de la came présentant un plus petit rayon de courbure et qui détermine un accroissement rapide du bras de levier.
4. Ferme-porte selon une des revendications précédentes, caractérisé en ce que l'axe ou arbre (2) du ferme-porte est disposé dans une région d'angle du boîtier et est accouplé aux éléments du mécanisme (3, 4 ; 6, 7) qui exercent les différentes fonctions de transmission, par l'intermédiaire d'une roue dentée (15) calée sur l'axe.
5. Ferme-porte selon une des revendications précédentes, caractérisé en ce que l'organe de commande (3) est denté sur une région partielle de son pivotement et est accouplé dans cette région à une crémaillère solidaire du piston intérieur (8).
6. Ferme-porte composé d'un dispositif à piston guidé dans un boitier (1) et couplé mécaniquement à un axe ou arbre de ferme-porte (2) monté rotatif, d'au moins un ressort de fermeture (9, 10) qui coopère avec le dispositif à piston, et d'un dispositif amortisseur hydraulique, le dispositif à piston étant composé de deux pistons (5, 8) disposés coaxialement l'un à l'intérieur de l'autre et pouvant coulisser l'un par rapport à l'autre, qui prennent appui par l'intermédiaire d'au moins un ressort de compression (9, 10) ces deux pistons (5, 8) étant accouplés à l'axe ou à l'arbre (2) du ferme-porte par l'intermédiaire d'éléments de mécanisme séparés (3, 4 ; 6, 7) qui assurent différentes fonctions, caractérisé,
en ce que le piston extérieur (5), réalisé sous la forme d'un piston annulaire, est accouplé au moyen d'une crémaillère (4) à une roue dentée (3) elle-même accouplée à l'axe ou l'arbre (2) du ferme-porte, et en ce que le piston intérieur (8) guidé par le piston annulaire est actionné, par un organe de commande (20, 21) lui aussi accouplé à l'axe ou arbre (2), avec un bras de levier qui varie en fonction de l'angle de rotation de l'axe ou arbre (2) du ferme-porte ; et en ce qu'il est prévu comme organe de commande un organe excentrique (20) qui est accouplé au piston intérieur (8) par l'intermédiaire d'un élément de liaison (21) articulé dans la région extérieure de l'excentrique,
en ce que les éléments du mécanisme (3, 4 ; 20, 21) entraînent les deux pistons (5, 8) l'un en sens inverse de l'autre ;
en ce qu'un ressort de compression (19) est interposé entre les deux pistons,
en ce que le piston intérieur (8) est muni d'un prolongement d'appui et de guidage (18) à son extrémité la plus éloignée des organes du mécanisme, et en ce que le ressort de compression (19) est interposé entre ce prolongement (18) et le piston extérieur.
7. Ferme-porte comprenant un piston (33) guidé dans un boîtier (1), au moins un ressort de ferme-porte (34) qui coopère avec le piston, et un dispositif d'amortissement hydraulique, et un axe ou arbre de ferme-porte (2) relié au piston (33) par l'intermédiaire d'un mécanisme (25, 27 ; 30), le mécanisme comprenant au moins un pignon (25 ; 30) présentant des bras de leviers effectifs (A, B ; A 2, B 2 ; A 3, B 3) qui sont de différentes longueurs sur la périphérie, de préférence un pignon excentrique (25 ; 30), caractérisé
en ce que la courbe de roulement (26, 31) du pignon (25, 30) est composée de segments de courbe de roulement de différentes courbures, comportant un premier segment de courbe de roulement (R 1), associé aux grands angles d'ouverture du ferme-porte,
un deuxième segment de courbe de roulement, associé aux angles d'ouvertures moyens du ferme-porte, et possédant une courbure (R
2) qui est sensiblement plus faible que la courbure (R 1) du premier segment de la courbe de roulement,
un troisième segment de la courbe de roulement, associé à la région des petits angles d'ouvertures, et possédant une courbure (R 3) qui est plus grande que la courbure (R 1) du premier segment de la courbe de roulement.
8. Ferme-porte selon la revendication 7, caractérisé en ce que la courbe de roulement (26) du pignon (25) est composée de plusieurs segments circulaires qui se raccordent directement l'un à l'autre, dont les rayons (R 1, R 2, R 3) sont différents et dont les centres sont décalés les uns par rapport aux autres, comportant un premier segment circulaire, associé aux grands angles d'ouverture du ferme-porte, de rayon R 1, un deuxième segment circulaire, associé aux angles moyens d'ouverture du ferme-porte, de rayon R 2 qui est sensiblement supérieur au rayon R 1 du premier segment circulaire, un troisième segment circulaire, associé à la région des petits angles d'ouverture, de rayon R 3 qui est plus petit que le rayon R 1 du premier segment circulaire.
9. Ferme-porte selon la revendication 7 ou 8, caractérisé en ce que les trois segments de courbe de roulement possédant les rayons R 1, R 2 et R 3 se raccordent l'un l'autre sans rupture de ligne.
10. Ferme-porte selon une des revendications 7 à 9, caractérisé en ce que l'axe du pignon (25) passe dans une région du pignon (25) qui est le plus rapprochée du premier segment (R 1) de la courbe de roulement du troisième segment (R 3) de la courbe de roulement.
11. Ferme-porte selon une des revendications 7 à 10, caractérisé en ce que le pignon (25) est couplé directement ou indirectement à l'axe ou arbre (2) du ferme-porte.
12. Ferme-porte selon une des revendications 7 à 11, caractérisé en ce que la denture (27) portée par le piston, associée au pignon (25), présente un profil correspondant à une courbe de roulement (28) allongée, en forme de S.
13. Ferme-porte selon la revendication 12, caractérisé en ce que la denture (27) portée par le piston est formée sur un prolongement en forme de crémaillère du piston (33) et ce prolongement forme en particulier un segment de la paroi du piston réalisé sous la forme d'un piston creux, le pignon (25) étant disposé dans la cavité (32) du piston.
14. Ferme-porte selon une des revendications précédentes, caractérisé en ce que l'arbre ou axe (2) du ferme-porte peut être accouplé à un bras du ferme-porte qui est guidé dans une glissière à son extrémité libre.
15. Ferme-porte selon une des revendication 7 à 14, caractérisé en ce que l'axe ou arbre du ferme-porte est disposé dans une région d'angle du boîtier (1) et est accouplé, par l'intermédiaire de deux pignons excentriques (25, 30), à la denture (27) associée au piston, le pignon (25) qui est en prise avec la denture (27) portée par le piston présentant une première courbe de roulement (26) excentrique, associée à la denture (27) solidaire du piston, et une deuxième courbe de roulement excentrique (29) associée au pignon (30) qui est solidaire de l'axe ou arbre du ferme-porte.
16. Ferme-porte selon une des revendications 7 à 15, caractérisé en ce que l'axe ou arbre du ferme-porte est disposé dans une région d'angle du boîtier (1) et, pour produire le mouvement de fermeture bilatéral, nécessaire pour les portes à va-et-vient, accouplé par l'intermédiaire d'un pignon excentrique (25) à un secteur denté (35) de configuration symétrique par rapport à un plan médian, qui est monté oscillant et articulé, par l'intermédiaire d'un organe de liaison (36), sur le piston (33) qui est rappelé par la précontrainte d'un ressort de part et d'autre d'une position centrale correspondant à la position de fermeture.
17. Ferme-porte selon une des revendications 7 à 15, caractérisé en ce que l'axe ou arbre du ferme-porte est disposé dans une région d'angle du boîtier (1) et est relié à un pignon excentrique (25) qui est lui-même relié au piston (33) par l'intermédiaire d'un secteur denté excentrique (41) dont l'axe de pivotement se trouve dans la moitié du boîtier qui est à l'opposé de l'axe ou arbre du ferme-porte, ainsi que par l'intermédiaire d'un organe de liaison (36) articulé sur ce secteur denté (41), cependant que, pour former un ferme-porte pour portes arrêtées butée, ce piston est rappelé par précontrainte contre une première butée fixe par un ressort et peut se déplacer jusqu'à une deuxième butée fixe (42).
EP86105855A 1985-07-05 1986-04-28 Ferme-porte Expired - Lifetime EP0207251B2 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
AT86105855T ATE63597T1 (de) 1985-07-05 1986-04-28 Tuerschliesser.
DE3645314A DE3645314C5 (de) 1986-04-28 1986-11-10 Türschließer
DE3645137A DE3645137C2 (de) 1986-04-28 1986-11-10 Türschließer
DE3645315A DE3645315C5 (de) 1986-04-28 1986-11-10 Türschließer
DE3645313A DE3645313C2 (de) 1986-04-28 1986-11-10 Türschließer
DE3638353A DE3638353C3 (de) 1985-07-05 1986-11-10 Türschließer
EP87105520A EP0243786B2 (fr) 1986-04-28 1987-04-14 Ferme-porte
AT87105520T ATE56500T1 (de) 1986-04-28 1987-04-14 Tuerschliesser.
JP62107894A JPH0781453B2 (ja) 1986-04-28 1987-04-28 ドア徐閉器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853524185 DE3524185A1 (de) 1985-07-05 1985-07-05 Tuerschliesser
DE3524185 1985-07-05

Publications (4)

Publication Number Publication Date
EP0207251A2 EP0207251A2 (fr) 1987-01-07
EP0207251A3 EP0207251A3 (en) 1987-05-06
EP0207251B1 true EP0207251B1 (fr) 1991-05-15
EP0207251B2 EP0207251B2 (fr) 1994-03-23

Family

ID=6275117

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86105855A Expired - Lifetime EP0207251B2 (fr) 1985-07-05 1986-04-28 Ferme-porte

Country Status (5)

Country Link
US (1) US4744125A (fr)
EP (1) EP0207251B2 (fr)
JP (1) JPS6213677A (fr)
AT (1) ATE63597T1 (fr)
DE (2) DE3524185A1 (fr)

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Also Published As

Publication number Publication date
US4744125A (en) 1988-05-17
DE3524185A1 (de) 1987-01-15
EP0207251A2 (fr) 1987-01-07
EP0207251B2 (fr) 1994-03-23
DE3679241D1 (en) 1991-06-20
EP0207251A3 (en) 1987-05-06
JPS6213677A (ja) 1987-01-22
ATE63597T1 (de) 1991-06-15

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