EP1828519A1 - Door closer - Google Patents

Door closer

Info

Publication number
EP1828519A1
EP1828519A1 EP05813551A EP05813551A EP1828519A1 EP 1828519 A1 EP1828519 A1 EP 1828519A1 EP 05813551 A EP05813551 A EP 05813551A EP 05813551 A EP05813551 A EP 05813551A EP 1828519 A1 EP1828519 A1 EP 1828519A1
Authority
EP
European Patent Office
Prior art keywords
door closer
piston
cam
output shaft
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05813551A
Other languages
German (de)
French (fr)
Other versions
EP1828519B1 (en
Inventor
Volker Bienek
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.)
Dorma Deutschland GmbH
Original Assignee
Dorma Deutschland 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 Dorma Deutschland GmbH filed Critical Dorma Deutschland GmbH
Priority to PL05813551T priority Critical patent/PL1828519T3/en
Priority to SI200530265T priority patent/SI1828519T1/en
Publication of EP1828519A1 publication Critical patent/EP1828519A1/en
Application granted granted Critical
Publication of EP1828519B1 publication Critical patent/EP1828519B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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

Definitions

  • the invention relates to a door closer according to the preamble of claim 1, in which operable with a spring arrangement in the closing direction of the output shaft and a damping piston operatively connected thereto and with a coupled to the output shaft outside the housing, pivotable actuating arm and one with the output shaft within the housing connected cam disk is present.
  • DE 40 41 824 C1 discloses a door closer of the type mentioned at the beginning, in which twisting of the damping piston and the opening piston about its longitudinal axes relative to the cam disk is avoided.
  • securing means are provided which prevent twisting.
  • the security rods run horizontally to the axis of the closer shaft. The arrangement of the security rods happens close to each side of the closer shaft in the axial direction of the housing. This makes it possible that, upon rotation of the damping piston or the spring support member, the backup rods are supported either on one or the other side of the closer shaft.
  • the cam disk and the power transmission rollers each have a circumferential groove or groove, which is dimensionally adjusted so that fixing bolts of the known type are stored therein with little play.
  • the fixing bolts which each have a thread at their ends, firmly screwed with one of their ends in the opening piston.
  • Other types of connection are of course possible.
  • the free ends of the screwed fixing bolts can dip into the damping piston and fixed there with corresponding nuts, which are preferably present in a stepped bore of the damping piston.
  • a spring element is placed between a bottom of the stepped bore and the nut between.
  • the spring element may be either a disc spring or any other useful spring element.
  • the elasticity of the entire structure is increased, in particular during the rotation of the output shaft.
  • corresponding tolerances of the cam and the power rollers can be compensated easily.
  • a play-free contact between the power rollers and the cam is guaranteed.
  • the circumferential groove in the rollers and the recess in the cam plate in the region of the longitudinal axis of the cylinder bore are arranged. Such an arrangement can transmit tensile and compressive forces without causing deformation of the fixing bolts. Thus, there is no height offset and therefore no bending moment arises.
  • Figure 1 A partial section of a door closer, which has been cut in a longitudinal section corresponding to the housing axis; - A -
  • Figure 2 as Figure 1 but in a cross section along the section line A - A through the output shaft.
  • FIG. 1 shows a door closer designated by 1 in a partial view, in which the parts which are not relevant to the invention have been omitted or have not been provided with a reference numeral.
  • an output shaft 9 is mounted in a bearing 8 so that at the outlet side of the shaft 9, this is connected by a screw cap with a bearing 14 with the housing 13.
  • the output shaft 9 has a cam disc 2, which (see in particular Figure 2) has a circumferential groove 7.
  • a damping piston 19 and an opening piston 18 are slidably mounted within the closer housing 13. Against the opening piston 18 presses a spring 25 in the form of a force accumulator.
  • Both in the opening piston 18 and in the damping piston 19 each power transmission rollers 10 and 11 are rotatably supported by means of bearing journals 3.
  • the journals 3 dive into blind holes 4 a. In order to prevent the bearing pins 3 from slipping out, they are secured by corresponding securing pins 5.
  • FIG. 1 shows a fixing bolt 15, which in each case has a thread 6 and 20 at its ends.
  • the thread 6 is screwed into the opening piston 18 in a threaded bore.
  • the fixing bolts 15 are dimensionally adjusted so that they only with a small clearance within the power transmission Supply rollers 10, 11 are embedded in the groove and also within the groove 7 of the cam plate 2.
  • the other end of the fixing bolt 15 with the thread 20 each passes through a bore 16 within the damping piston 19 and ends in a stepped bore 23 within the damping piston 19.
  • a nut 17 In the stepped bore 23 is a nut 17 with the due to the thread 20 of the fixing bolt 15 is pulled against a bottom of the stepped bore.
  • a spring element 22 preferably in the form of a plate spring introduced between the bottom of the stepped bore 23 and the nut 17, a spring element 22, preferably in the form of a plate spring introduced. As a result, a constant contact of the power transmission rollers 10, 11 is achieved with the cam plate 2.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Lock And Its Accessories (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

A door closer includes a housing; an output shaft supported by the housing and rotatable in opposite door opening and closing directions; a cam disc disposed in the housing and mounted on the output shaft; a damping piston disposed in the housing; an opening piston disposed in the housing; first and second force transmission rollers; and two fixing bolts extending in the axial direction of the housing and transversely to the axis of the output shaft. The fixing bolts being disposed on two opposite sides of the output shaft, respectively. Each of the can disc and the first and second force transmission rollers has a circumferential recess or comprises two pieces, the fixing bolts being disposed in the recesses or between the respective two pieces so that each of the damping piston and the opening piston is prevented from rotating with respect to the cam disc.

Description

Titel: TürschließerTitle: Door closer
Beschreibungdescription
Die Erfindung betrifft einen Türschließer gemäß dem Oberbegriff des Patentanspruches 1 , bei dem mit einer von einer Federanordnung im Schließsinn betätigbaren Ausgangswelle und einem mit dieser wirkverbundenen Dämpfungskolben sowie mit einem mit der Ausgangswelle außerhalb des Gehäuses gekoppelten, schwenkbaren Betätigungsarm sowie eine mit der Ausgangswelle innerhalb des Gehäuses verbundenen Nockenscheibe vorhanden ist.The invention relates to a door closer according to the preamble of claim 1, in which operable with a spring arrangement in the closing direction of the output shaft and a damping piston operatively connected thereto and with a coupled to the output shaft outside the housing, pivotable actuating arm and one with the output shaft within the housing connected cam disk is present.
Der DE 40 41 824 C1 ist ein Türschließer der Eingangs genannten Art zu entnehmen, bei dem ein Verdrehen des Dämpfungskolbens und des Öff- nungskolbens um ihre Längsachsen gegenüber der Nockenscheibe vermieden wird. Hierfür sind Sicherungsmittel vorgesehen, die das Verdrehen unterbinden. Durch die Anbringung der Sicherungsmittel wird die Funktion des Türschließers in keiner Weise beeinträchtigt. Als Sicherungsmittel der ersten Wahl haben sich zwei Stäbe herausgebildet, die einerseits im Fe- derstützglied fest verankert sind und andererseits auf der gegenüberliegenden Seite innerhalb des Dämpfungskolbens in Sackbohrungen reibungslos eintauchen können. Dabei verlaufen die Sicherungsstäbe horizontal zur Achse der Schließerwelle. Die Anordnung der Sicherungsstäbe geschieht dicht an jeder Seite der Schließerwelle in Achsrichtung des Ge- häuses. Hierdurch ist es möglich, dass sich bei einem Verdrehen des Dämpfungskolbens oder des Federstützgliedes die Sicherungsstäbe entweder an der einen oder anderen Seite der Schließerwelle abstützen.DE 40 41 824 C1 discloses a door closer of the type mentioned at the beginning, in which twisting of the damping piston and the opening piston about its longitudinal axes relative to the cam disk is avoided. For this purpose, securing means are provided which prevent twisting. By attaching the securing means the function of the door closer is impaired in any way. As securing means of the first choice two rods have emerged, which are firmly anchored on the one hand in the Fe derstützglied and on the other hand can dive smoothly on the opposite side within the damping piston in blind holes. The security rods run horizontally to the axis of the closer shaft. The arrangement of the security rods happens close to each side of the closer shaft in the axial direction of the housing. This makes it possible that, upon rotation of the damping piston or the spring support member, the backup rods are supported either on one or the other side of the closer shaft.
Es ist Aufgabe der Erfindung in Weiterbildung des Standes der Technik die Verdrehsicherung dahingehend weiter auszubilden, dass stets ein spielfreier Kontakt zwischen den Kraftübertragungsrollen und dem Dämp- fungskolben bzw. dem Öffnungskolben vorhanden ist. Ferner wird eine Verbesserung des Wirkungsgrades des Türschließers angestrebt.It is an object of the invention in further development of the prior art further to form the rotation to the effect that always a backlash-free contact between the power rollers and the Dämp- piston or the opening piston is present. Furthermore, an improvement in the efficiency of the door closer is desired.
Die Aufgabe wird durch die Merkmale des Patentanspruches 1 gelöst. Die Unteransprüche geben dabei eine weitere Ausgestaltung des erfindungsgemäßen Gedankens wieder.The object is solved by the features of claim 1. The dependent claims provide a further embodiment of the inventive concept again.
Der Stand der Technik wird dadurch verbessert, dass zur Erhöhung des Wirkungsgrades die Nockenscheibe und die Kraftübertragungsrollen je- weils einen umlaufenden Einstich bzw. eine Nut aufweisen, die maßlich so abgestimmt ist, dass Fixierungsbolzen der vorbekannten Art darin mit geringem Spiel gelagert werden. Durch das Einbetten der Fixierungsbolzen wird zum einen eine kleinere Bauart des Türschließers möglich darüber hinaus ist auch eine gute Montage eines solchen Türschließers möglich. Hierfür werden die Fixierungsbolzen, die an ihren Enden jeweils ein Gewinde ausweisen, mit einem ihrer Enden in den Öffnungskolben fest eingeschraubt. Andere Verbindungsarten sind natürlich auch möglich. Zur Montage des Dämpfungskolbens können die freien Enden der eingeschraubten Fixierungsbolzen in den Dämpfungskolben eintauchen und dort mit entsprechenden Muttern, die vorzugsweise in einer Stufenbohrung des Dämpfungskolbens vorhanden sind, fixiert. Um eine genaue Lagefixierung zwischen den Kraftübertragungsrollen und der Nockenscheibe zu gewährleisten, ist zwischen einem Boden der Stufenbohrung und der Mutter ein Federelement zwischen gelegt. Das Federelement kann entweder eine Tellerfeder oder jedes andere brauchbare Federelement sein. Durch ein solches Federelement wird die Elastizität des gesamten Gebildes erhöht, insbesondere bei der Verdrehung der Ausgangswelle. So können auch entsprechende Toleranzen der Nockenscheibe und der Kraftübertragungsrollen ohne weiteres ausgeglichen werden. Gleichzeitig ist jedoch ein spielfreier Kontakt zwischen den Kraftübertragungsrollen und der Nockenscheibe gewährleistet. Vorzugsweise sind die umlaufende Nut in den Rollen und der Einstich in der Nockenscheibe im Bereich der Längsachse der Zylinderbohrung angeordnet. Eine solche Anordnung kann Zug- und Druckkräfte übertragen, ohne dass eine Verformung der Fixierungsbolzen eintritt. Es ergibt sich somit kein Höhenversatz und deshalb entsteht auch kein Biegemoment.The state of the art is improved in that in order to increase the efficiency, the cam disk and the power transmission rollers each have a circumferential groove or groove, which is dimensionally adjusted so that fixing bolts of the known type are stored therein with little play. By embedding the fixing bolts on the one hand, a smaller type of door closer possible beyond a good installation of such a door closer is possible. For this purpose, the fixing bolts, which each have a thread at their ends, firmly screwed with one of their ends in the opening piston. Other types of connection are of course possible. To mount the damping piston, the free ends of the screwed fixing bolts can dip into the damping piston and fixed there with corresponding nuts, which are preferably present in a stepped bore of the damping piston. In order to ensure a precise positional fixation between the power rollers and the cam, a spring element is placed between a bottom of the stepped bore and the nut between. The spring element may be either a disc spring or any other useful spring element. By such a spring element, the elasticity of the entire structure is increased, in particular during the rotation of the output shaft. Thus, corresponding tolerances of the cam and the power rollers can be compensated easily. At the same time, however, a play-free contact between the power rollers and the cam is guaranteed. Preferably, the circumferential groove in the rollers and the recess in the cam plate in the region of the longitudinal axis of the cylinder bore are arranged. Such an arrangement can transmit tensile and compressive forces without causing deformation of the fixing bolts. Thus, there is no height offset and therefore no bending moment arises.
Der spielfreie Kontakt erhöht zum einen die Betriebssicherheit und damit den Wirkungsgrad und zum anderen kann so eine außerordentlich gute Feststellfunktion mit einem solchen Schließer realisiert werden. Auch bei Reversierungen der Ausgangswelle bleibt stets der Kontakt zwischen den Kraftübertragungsrollen und der Nockenscheibe erhalten. Dafür sind die Kraftübertragungsrollen über Lagerachsen, die innerhalb des Öffnungskolbens und des Dämpfungskolbens in Sackbohrungen eintauchen, drehgelagert. Um ein Herausrutschen der Lagerboxen aus den Sackbohrungen zu vermeiden, sind diese durch entsprechende Sicherungsstifte gegen ein Herausfallen gesichert.The play-free contact increases on the one hand the reliability and thus the efficiency and on the other hand, so an extremely good locking function can be realized with such a closer. Even with reversals of the output shaft, the contact between the power rollers and the cam disc is always maintained. For this, the power transmission rollers via bearing axles, which dive within the opening piston and the damping piston in blind holes, rotatably mounted. To prevent slipping out of the storage boxes from the blind holes, they are secured by corresponding locking pins against falling out.
Durch den spielfreien Kontakt kann eine optimale Feststellfunktion eines solchen Türschließers bei gleichzeitiger Steigerung des Wirkungsgrades erreicht werden.Through the play-free contact an optimal locking function of such a door closer while increasing the efficiency can be achieved.
Die Erfindung wird nachfolgend anhand eines möglichen schematisch dargestellten Ausführungsbeispieles in den Zeichnungen wiedergegeben.The invention is reproduced below with reference to a possible schematically illustrated embodiment in the drawings.
Dabei zeigen:Showing:
Figur 1 : Einen Teilausschnitt eines Türschließers, der in einem Längsschnitt entsprechend der Gehäuseachse geschnitten worden ist; - A -Figure 1: A partial section of a door closer, which has been cut in a longitudinal section corresponding to the housing axis; - A -
Figur 2: wie Figur 1 jedoch in einem Querschnitt gemäß der Schnittlinie A - A durch die Ausgangswelle.Figure 2: as Figure 1 but in a cross section along the section line A - A through the output shaft.
Die Figur 1 zeigt einen mit 1 bezeichneten Türschließer in einer Teilan- sieht, bei dem die nicht erfindungsrelevanten Teile fortgelassen sind bzw. nicht mit einer Bezugsziffer versehen wurden. Innerhalb eines Gehäuses 13 ist in einem Lager 8 eine Ausgangswelle 9 so gelagert, dass an der Austrittsseite der Welle 9 diese durch einen Schraubdeckel mit einem Lager 14 mit dem Gehäuse 13 verbunden wird. Die Ausgangwelle 9 weist eine Nockenscheibe 2 auf, die (siehe insbesondere Figur 2) eine umlaufende Nut 7 aufweist.FIG. 1 shows a door closer designated by 1 in a partial view, in which the parts which are not relevant to the invention have been omitted or have not been provided with a reference numeral. Within a housing 13, an output shaft 9 is mounted in a bearing 8 so that at the outlet side of the shaft 9, this is connected by a screw cap with a bearing 14 with the housing 13. The output shaft 9 has a cam disc 2, which (see in particular Figure 2) has a circumferential groove 7.
Links und rechts der Nockenscheibe 2 sind ein Dämpfungskolben 19 und ein Öffnungskolben 18 innerhalb des Schließergehäuses 13 verschiebbar gelagert. Gegen den Öffnungskolben 18 drückt eine Feder 25 in Form eines Kraftspeichers. Sowohl in dem Öffnungskolben 18 als auch in dem Dämpfungskolben 19 sind jeweils Kraftübertragungsrollen 10 und 11 mittels Lagerzapfen 3 drehbar gelagert. Die Lagerzapfen 3 tauchen dabei in Sackbohrungen 4 ein. Um ein Herausrutschen der Lagerzapfen 3 zu un- terbinden sind diese durch entsprechende Sicherungsstifte 5 gesichert.Left and right of the cam 2, a damping piston 19 and an opening piston 18 are slidably mounted within the closer housing 13. Against the opening piston 18 presses a spring 25 in the form of a force accumulator. Both in the opening piston 18 and in the damping piston 19 each power transmission rollers 10 and 11 are rotatably supported by means of bearing journals 3. The journals 3 dive into blind holes 4 a. In order to prevent the bearing pins 3 from slipping out, they are secured by corresponding securing pins 5.
Innerhalb der Kraftübertragungsrollen 10, 11 ist jeweils eine umlaufende Nut 12, wie in der Nockenscheibe 2, vorhanden; es ist auch möglich, die Kraftübertragungsrollen 10, 11 und die Nockenscheibe zweiteilig auszu- führen.Within the power rollers 10, 11 each have a circumferential groove 12, as in the cam plate 2, is present; it is also possible to carry out the power transmission rollers 10, 11 and the cam disk in two parts.
Ausgehend von dem Öffnungskolben 18 gibt die Figur 1 einen Fixierungsbolzen 15 wieder, der an seinen Enden jeweils ein Gewinde 6 und 20 aufweist. Das Gewinde 6 ist dabei in dem Öffnungskolben 18 in eine Gewin- debohrung eingeschraubt. Die Fixierungsbolzen 15 sind maßlich so abgestimmt, dass sie nur mit einem geringen Spiel innerhalb der Kraftübertra- gungsrollen 10, 11 in dessen Nut und auch innerhalb der Nut 7 der Nockenscheibe 2 eingebettet sind.Starting from the opening piston 18, FIG. 1 shows a fixing bolt 15, which in each case has a thread 6 and 20 at its ends. The thread 6 is screwed into the opening piston 18 in a threaded bore. The fixing bolts 15 are dimensionally adjusted so that they only with a small clearance within the power transmission Supply rollers 10, 11 are embedded in the groove and also within the groove 7 of the cam plate 2.
Das andere Ende der Fixierungsbolzen 15 mit dem Gewinde 20 geht je- weils durch eine Bohrung 16 innerhalb des Dämpfungskolbens 19 und endet in einer Stufenbohrung 23 innerhalb des Dämpfungskolbens 19. In der Stufenbohrung 23 befindet sich eine Mutter 17 mit der aufgrund des Gewindes 20 der Fixierungsbolzen 15 gegen einen Boden der Stufenbohrung gezogen wird. Um eine höhere Funktionssicherheit und einen Toleranz- ausgleich hinsichtlich der Kraftübertragungsrollen 10, 11 und der Nockenscheibe 9 zu erreichen, ist zwischen dem Boden der Stufenbohrung 23 und der Mutter 17 ein Federelement 22, vorzugsweise in Form einer Tellerfeder, eingebracht. Hierdurch wird ein steter Kontakt der Kraftübertragungsrollen 10, 11 mit der Nockenscheibe 2 erreicht.The other end of the fixing bolt 15 with the thread 20 each passes through a bore 16 within the damping piston 19 and ends in a stepped bore 23 within the damping piston 19. In the stepped bore 23 is a nut 17 with the due to the thread 20 of the fixing bolt 15 is pulled against a bottom of the stepped bore. In order to achieve a higher functional reliability and a tolerance compensation with respect to the power transmission rollers 10, 11 and the cam disc 9, between the bottom of the stepped bore 23 and the nut 17, a spring element 22, preferably in the form of a plate spring introduced. As a result, a constant contact of the power transmission rollers 10, 11 is achieved with the cam plate 2.
Damit diese Verbindung in dem Dämpfungskolben 19 auch dicht wird, wird die Stufenbohrung 23 durch eine Abdichtscheibe 24 verschlossen.So that this connection in the damping piston 19 is also tight, the stepped bore 23 is closed by a sealing disc 24.
Durch die Figur 2 wird deutlich, dass aufgrund der stabilen Lage der Aus- gangswelle 9 durch die innere Lagerung 8 und 14 und die innerhalb der Nut 7 der Nockenscheibe 2 eingebetteten Fixierungsbolzen 15 ein Verdrehen um die eigene Achse des innerhalb eines Aufnahmeraumes 21 verschiebbaren Öffnungskolben 18 und dem Öffnungskolben 19 nicht möglich ist. It is clear from FIG. 2 that due to the stable position of the output shaft 9 through the inner bearings 8 and 14 and the fixing bolts 15 embedded within the groove 7 of the cam disk 2, rotation about its own axis of the opening piston 18 which can be displaced within a receiving space 21 and the opening piston 19 is not possible.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
1 Türschließer1 door closer
2 Nockenscheibe2 cam disc
3 Lagerzapfen3 journals
4 Sackbohrung4 blind hole
5 Sicherungsstift5 locking pin
6 Gewinde6 threads
7 Nut7 groove
8 Lager8 bearings
9 Ausgangswelle9 output shaft
10 Kraftübertragungsrolle10 power roller
11 Kraftübertragungsrolle11 power roller
12 Nut12 groove
13 Gehäuse13 housing
14 Lager14 bearings
15 Fixierungsbolzen15 fixing bolts
16 Bohrung16 hole
17 Mutter17 mother
18 Öffnungskolben18 opening pistons
19 Dämpfungskolben19 damping piston
20 Gewinde20 threads
21 Aufnahmeraum21 recording room
22 Federglied22 spring member
23 Stufen bohrung23 steps bore
24 Abdichtscheibe24 sealing disc
25 Feder 25 spring

Claims

Patentansprüche claims
1. Türschließer mit einer von einer Federanordnung im Schließsinn betätigbaren Ausgangswelle und einem mit dieser wirkverbunde- nen Dämpfungskolben sowie mit einem mit der Ausgangswelle außerhalb des Gehäuses gekuppelten, schwenkbaren Betätigungsarm sowie einer mit der Ausgangswelle innerhalb des Gehäuses verbundenen Nockenscheibe, deren der Öffnungsrichtung zugehörige Kurvenbahn von einem Öffnungskolben über wenigs- tens eine Kraftübertragungsrolle und deren in Schließrichtung zugehörige Kurvenbahn von dem Dämpfungskolben über eine weitere Kraftbetätigungsrolle beaufschlagt ist, wobei der Dämpfungskolben und der Öffnungskolben verdrehsicher gegenüber der Nockenscheibe angeordnet sind, und dass die Verdrehsicherung mindestens aus zwei in Achsrichtung des Gehäuses und quer zur1. Door closer with an output shaft which can be actuated by a spring arrangement in the closing direction and with a damping piston coupled to it, and with a pivotable actuating arm coupled to the output shaft outside the housing and a cam disk connected to the output shaft within the housing, the cam track associated with the opening direction An opening piston is acted upon by at least one power transmission roller and its cam plate in the closing direction by the damping piston via a further power actuating roller, wherein the damping piston and the opening piston are arranged against rotation of the cam, and that the rotation of at least two in the axial direction of the housing and transversely to
Ausrichtung der Schließerwelle verlaufende Fixierungsbolzen gebildet wird, wobei auf jeder Seite der Ausgangswelle mindestens einer der Fixierungsbolzen verläuft, dadurch gekennzeichnet, dass die Nockenscheibe (2) und die Kraftübertragungsrollen (10, 11) je- weils einen umlaufenden Einstich in Form einer Nut (7, 12) aufweisen bzw. dass die Kraftübertragungsrollen (10, 11) und die Nockenscheibe (2) jeweils zweiteilig ausgeführt sind, in denen die Fixierungsbolzen (15) eingebettet sind.Orientation of the closer shaft extending fixing bolt is formed, wherein on each side of the output shaft extends at least one of the fixing bolts, characterized in that the cam disc (2) and the power transmission rollers (10, 11) each have a circumferential recess in the form of a groove (7, 12) or that the power transmission rollers (10, 11) and the cam disc (2) are each designed in two parts, in which the fixing bolts (15) are embedded.
2. Türschließer nach Anspruch 1 , dadurch gekennzeichnet, dass die Fixierungsbolzen (15) in der Mittenachse des Aufnahmeraumes (2.1) für den Öffnungskolben (18) und für den Dämpfungskolben (19) verlaufen. 2. Door closer according to claim 1, characterized in that the fixing bolts (15) extend in the center axis of the receiving space (2.1) for the opening piston (18) and for the damping piston (19).
3. Türschließer nach Anspruch 1 , dadurch gekennzeichnet, dass die Fixierungsbolzen (15) an ihren Enden jeweils ein Gewinde (6, 20) aufweisen.3. Door closer according to claim 1, characterized in that the fixing bolts (15) at their ends in each case a thread (6, 20).
4. Türschließer nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Fixierungsbolzen (15) mit ihren Gewinden (6) in Gewindebohrungen des Öffnungskolbens (18) eingeschraubt werden.4. Door closer according to one of the preceding claims, characterized in that the fixing bolts (15) with their threads (6) are screwed into threaded bores of the opening piston (18).
5. Türschließer nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass auf das Gewinde (20) der Fixierungsbolzen (15) jeweils eine Mutter (17) aufgeschraubt wird und somit der Öffnungskolben mit der Kraftübertragungsrolle (10) einerseits gegen die Nockenscheibe (2) und andererseits der Dämpfungskolben (19) mit der Kraftübertragungsrolle (11) gegen die Nockenscheibe5. door closer according to one of the preceding claims, characterized in that on the thread (20) of the fixing bolt (15) in each case a nut (17) is screwed and thus the opening piston with the power transmission roller (10) on the one hand against the cam disc (2) and on the other hand, the damping piston (19) with the power roller (11) against the cam
(2) gezogen wird.(2) is pulled.
6. Türschließer nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Mutter (17) in einer Stufenbohrung (23) eingebettet ist.6. Door closer according to one of the preceding claims, characterized in that the nut (17) is embedded in a stepped bore (23).
7. Türschließer nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zwischen der Mutter (17) und einem Boden der Stufenbohrung (23) mindestens eine Feder (22) angeordnet ist.7. Door closer according to one of the preceding claims, characterized in that between the nut (17) and a bottom of the stepped bore (23) at least one spring (22) is arranged.
8. Türschließer nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Feder (22) eine Tellerfeder ist.8. Door closer according to one of the preceding claims, characterized in that the spring (22) is a plate spring.
9. Türschließer nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Kraftübertragungsrollen (10, 11) mittels Lagerzapfen (3) gelagert sind, wobei die Lagerzapfen (3) durch Sicherungsstifte (5) gesichert sind. 9. Door closer according to one of the preceding claims, characterized in that the power transmission rollers (10, 11) by means of Bearing journals (3) are mounted, wherein the bearing pins (3) by securing pins (5) are secured.
EP05813551A 2004-12-17 2005-11-11 Door closer Not-in-force EP1828519B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL05813551T PL1828519T3 (en) 2004-12-17 2005-11-11 Door closer
SI200530265T SI1828519T1 (en) 2004-12-17 2005-11-11 Door closer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004061627A DE102004061627B4 (en) 2004-12-17 2004-12-17 door closers
PCT/EP2005/012090 WO2006066662A1 (en) 2004-12-17 2005-11-11 Door closer

Publications (2)

Publication Number Publication Date
EP1828519A1 true EP1828519A1 (en) 2007-09-05
EP1828519B1 EP1828519B1 (en) 2008-03-12

Family

ID=35677690

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05813551A Not-in-force EP1828519B1 (en) 2004-12-17 2005-11-11 Door closer

Country Status (11)

Country Link
US (1) US7650669B2 (en)
EP (1) EP1828519B1 (en)
CN (1) CN101080543B (en)
AT (1) ATE389087T1 (en)
DE (2) DE102004061627B4 (en)
DK (1) DK1828519T3 (en)
ES (1) ES2303695T3 (en)
PL (1) PL1828519T3 (en)
PT (1) PT1828519E (en)
SI (1) SI1828519T1 (en)
WO (1) WO2006066662A1 (en)

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CN101135219B (en) * 2006-09-01 2012-11-14 多玛两合有限公司 Door closer
DE202007009175U1 (en) * 2007-06-29 2007-08-30 Dorma Gmbh + Co. Kg Flow control valve for use in borehole of hydraulic door closer, has inserted part lockably cooperated with borehole or internal thread of door closer, where outer diameter of part has larger diameter than borehole or internal thread
GB2462633B (en) * 2008-08-14 2013-01-02 Jebron Ltd Door closer
CN101666187B (en) * 2008-09-05 2012-02-29 上海嘉成轨道交通安全保障系统有限公司 Door lock system for rail transit safety door
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DE102010022050A1 (en) * 2009-12-01 2011-06-09 Dorma Gmbh + Co. Kg Door closer with additional closing spring
US20110197391A1 (en) * 2010-02-12 2011-08-18 Rick Yu Automatic door closer structure
DE102010017893A1 (en) * 2010-04-21 2011-10-27 Dorma Gmbh + Co. Kg door closers
IT1401120B1 (en) 2010-07-14 2013-07-12 Rolic Invest Sarl EXCHANGE FOR ROPE TRANSPORTATION SYSTEM AND ROPE TRANSPORTATION SYSTEM INCLUDING SUCH EXCHANGE.
US8938912B2 (en) 2011-02-22 2015-01-27 Schlage Lock Company Llc Door actuator
DE102011055974A1 (en) * 2011-12-02 2013-06-06 Dorma Gmbh + Co. Kg door actuators
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Also Published As

Publication number Publication date
ES2303695T3 (en) 2008-08-16
CN101080543B (en) 2011-05-25
PL1828519T3 (en) 2008-08-29
PT1828519E (en) 2008-06-24
DE502005003252D1 (en) 2008-04-24
DE102004061627B4 (en) 2007-02-01
ATE389087T1 (en) 2008-03-15
US7650669B2 (en) 2010-01-26
EP1828519B1 (en) 2008-03-12
DE102004061627A1 (en) 2006-07-06
DK1828519T3 (en) 2008-07-14
WO2006066662A1 (en) 2006-06-29
CN101080543A (en) 2007-11-28
US20080076621A1 (en) 2008-03-27
SI1828519T1 (en) 2008-10-31

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