EP1293633B1 - Door closer - Google Patents
Door closer Download PDFInfo
- Publication number
- EP1293633B1 EP1293633B1 EP02020109A EP02020109A EP1293633B1 EP 1293633 B1 EP1293633 B1 EP 1293633B1 EP 02020109 A EP02020109 A EP 02020109A EP 02020109 A EP02020109 A EP 02020109A EP 1293633 B1 EP1293633 B1 EP 1293633B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- valve body
- piston
- door closer
- bore
- 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
Links
- 238000013016 damping Methods 0.000 claims abstract description 33
- 210000002105 tongue Anatomy 0.000 claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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
- E05F3/12—Special devices controlling the circulation of the liquid, e.g. valve arrangement
-
- 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
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- 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—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
- E05Y2900/132—Doors
Landscapes
- Fluid-Damping Devices (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Lock And Its Accessories (AREA)
Abstract
Description
Die Erfindung betrifft einen Türschließer nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a door closer according to the preamble of patent claim 1.
Aus der
Aus der
Der Erfindung liegt die Aufgabe zugrunde, einen Türschließer mit Überdruckventil zu schaffen, der einfach und kostengünstig herstellbar ist.The invention has for its object to provide a door closer with pressure relief valve, which is simple and inexpensive to produce.
Die Aufgabe wird durch die Merkmale des Patentanspruchs 1 gelöst.The object is solved by the features of patent claim 1.
Der Ventilkörper weist Rastzungen auf, welche mit der Kolbenbohrung verrastend zusammenwirken; dies führt zu einer gravierenden Vereinfachung der Montage und senkt die Herstellungskostensomit deutlich.The valve body has locking tongues, which cooperate latching with the piston bore; This leads to a serious simplification of the assembly and significantly reduces the manufacturing costs.
Das Ventil kann außerhalb des Kolbens komplett vormontiert werden: In den Ventilkörper kann nach Einlegen des Ventilkegels und einer Feder ein Ventileinsatz eingeschoben werden, wobei die Verbindung zwischen Ventileinsatz und Ventilkörper als Rastverbindung ausgebildet sein kann. Auch dies vereinfacht die Montage und führt zu einer weiteren Senkung der Herstellungskosten.The valve can be completely preassembled outside the piston: A valve insert can be inserted in the valve body after inserting the valve cone and a spring be inserted, wherein the connection between the valve core and the valve body may be formed as a latching connection. This also simplifies assembly and leads to a further reduction in manufacturing costs.
Das vormontierte Ventil wird schließlich auf äußerst einfache Weise, nämlich verrastend in die Kolbenbohrung eingeschoben.The pre-assembled valve is finally inserted in a very simple manner, namely latching into the piston bore.
Das Ventil kann außerdem modular aufgebaut sein: Es kann ein einziger, einheitlich ausgebildeter Ventilkörper zur Abdeckung aller Anwendungsfälle vorgesehen sein. In diesen Ventilkörper können verschiedenartige, dem jeweiligen Anwendungsfall angepasste Teile, insbesondere verschiedene Ventileinsätze und/oder verschiedene Federn und/oder verschiedene Ventilkegel, einsetzbar sein. Beispielsweise können die Federn je nach Ansprechdruck des Überdruckventil verschieden lang ausgebildet sein, wobei für jede Federlänge ein passender Ventileinsatz vorgesehen sein kann. Durch diesen modularen Aufbau des Ventils lassen sich die Herstellungskosten, insbesondere Werkzeug- und/oder Lagerhaltungskosten weiter senken.The valve can also be modular: It can be provided to cover all applications, a single, uniformly designed valve body. In this valve body, various, adapted to the particular application parts, in particular different valve inserts and / or different springs and / or different valve cone, can be used. For example, the springs may be designed to have different lengths depending on the response pressure of the pressure relief valve, wherein a suitable valve insert may be provided for each spring length. Due to this modular design of the valve, the manufacturing costs, in particular tool and / or storage costs can be further reduced.
In vorteilhaften Ausgestaltungen können verschiedene Bestandteile des Ventils, z.B. der Ventilkörper, der Ventileinsatz und/oder der Ventilkegel, kostengünstig aus Kunststoff (Spritzguss) gefertigt sein. Selbstverständlich kommen für Ventilkörper und Ventileinsatz auch andere elastische Materialien und für den Ventilkegel wiederum andere Materialien in Betracht.In advantageous embodiments, various components of the valve, e.g. the valve body, the valve core and / or the valve plug, inexpensively made of plastic (injection molding). Of course, come for valve body and valve insert and other elastic materials for the valve cone in turn other materials into consideration.
Der Einsatz eines derartigen kombinierten Ventils beschränkt sich nicht auf die vorangehend beschriebene Kombination von Überström- und Überdruckventil. Weitere denkbare Anwendungen eines identisch aufgebauten kombinierten Ventils bestehen beispielsweise in der Kombination eines Überströmventils mit einem Überdruckventil für die Absicherung des Überdrückens der Öffnungsdämpfung oder in der Kombination eines Überströmventils mit einem Schließ- oder Öffnungsdämpfungsventil.The use of such a combined valve is not limited to the above-described combination of overflow and pressure relief valve. Further conceivable applications of an identically constructed combined valve consist, for example, in the combination of an overflow valve with a pressure relief valve for ensuring the overpressing of the opening damping or in the combination of an overflow valve with a closing or opening damping valve.
Weitere vorteilhafte Ausgestaltungsmöglichkeiten der Erfindung sind in der nachfolgenden Beschreibung sowie in den Unteransprüchen beschrieben. Nachfolgend werden Ausführungsbeispiele anhand der Figuren näher erläutert. Dabei zeigen:
- Figur 1
- einen Längsschnitt eines Türschließers mit einem Kombinationsventil;
-
Figur 2 - eine vergrößerte Darstellung des Kombinationsventils aus
Figur 1 ; -
Figur 3 - ein abgewandeltes Ausführungsbeispiel eines Kombinationsventils;
-
Figur 4 - eine Stirnansicht eines Kombinationsventils.
- FIG. 1
- a longitudinal section of a door closer with a combination valve;
- FIG. 2
- an enlarged view of the combination valve
FIG. 1 ; - FIG. 3
- a modified embodiment of a combination valve;
- FIG. 4
- an end view of a combination valve.
Der in
Wird der Türflügel manuell geöffnet, bewegt sich der Kolben 3 - betätigt durch die Drehung der Schließerwelle 10 im Uhrzeigersinn - nach links, wobei die Schließerfeder 7 komprimiert wird. Das aus der linken Gehäusekammer 6 verdrängte Dämpfungsmedium fließt durch die linke Kolbenbohrung 13 in den Kolbeninnenraum 5 und weiter durch das im Bereich der rechten Stirnseite des Kolbens 3 in der rechten Kolbenbohrung 14 angeordnete Ventil 15, dessen Aufbau und Funktionsweise bei den nachfolgenden Figuren ausführlich beschrieben werden, in die rechte Gehäusekammer 4.If the door is opened manually, the
Sobald der Türflügel losgelassen wird, drängt die komprimierte Schließerfeder den Kolben 3 nach rechts; die Schließerwelle 10 wird hierbei entgegen dem Uhrzeigersinn gedreht, so dass der angeschlossene Türflügel in seine Geschlossenlage überführt wird. Da das Ventil 15 bei dem nun in der rechten Gehäusekammer 4 vorhandenen Überdruck geschlossen ist, fließt das Dämpfungsmedium durch einen hier nicht dargestellten Überströmkanal, welcher ein ebenfalls nicht dargestelltes Ventil zur Gewährleistung der Schließdämpfung enthält, gedämpft in die linke Gehäusekammer 6 bzw. in den Kolbeninnenraum 5. Hierdurch wird sichergestellt, dass der Türflügel nicht abrupt schließt, sondern gedämpft in seine Geschlossenlage überführt wird. Wird der Türflügel während des gedämpften Schließvorgangs manuell überdrückt, d.h. wird der Türflügel schneller geschlossen, als es die Schließdämpfung eigentlich vorsieht, so wird das nun unter stärkerem Überdruck stehende Dämpfungsmedium aus der rechten Gehäusekammer 6 durch das Ventil 15 in den Kolbeninnenraum 5 abgeführt. Das Ventil 15 ist so ausgebildet, dass es erst bei einem relativ großen Überdruck in der rechten Gehäusekammer 6, welcher beim manuellen Überdrücken des Türflügels entsteht, öffnet, während es beim normalen gedämpften Schließvorgang des Türflügels geschlossen ist.As soon as the door leaf is released, the compressed closing spring urges the
Der Ventilkörper 18 des Ventils 15 ist innerhalb der Kolbenbohrung 14 linear verschiebbar angeordnet. Die Abbildung zeigt den Ventilkörper 18 in seiner linken Endposition. Eine am Ventilkörper 18 flüssigkeitsdicht befestigte, als Ringdichtung ausgebildete Dichtung 19 liegt in dieser Endposition des Ventilkörpers 18 dicht an einer Senkung 16 der Kolbenbohrung 14 an. Der Ventilkörper 18 nimmt diese Position bei dem beim gedämpften Schließvorgang entstehenden Überdruck des Dämpfungsmediums in der rechten Gehäusekammer 4 ein. Das unter Überdruck stehende Dämpfungsmedium drängt durch die Bohrung 23 des Ventilkörpers 18 gegen den federbeaufschlagten Ventilkegel 24. Beim manuellen Überdrücken des Türflügels in Schließrichtung übersteigt der Überdruck des Dämpfungsmediums die Kraft der Feder 27; der Ventilkegel 24 weicht nach links zurück und gibt die Bohrung 23 zum Durchströmen des Dämpfungsmediums in Richtung der Bohrung 28 im Ventileinsatz 25 und somit zum Kolbeninnenraum 5 frei.The
Bei hoher Federkraft der Feder 27, d.h. bei einem hohen möglichen Überdruck in der rechten Gehäusekammer 4 bis zum Zurückweichen des Ventilkegels 24, kann die Dichtung 19 gegebenenfalls mehr oder weniger komprimiert werden. Um die Dichtung 19 vor übermäßiger Kompression und damit verbundener Beschädigung zu schützen, ist der Ventilkörper 18 so ausgebildet, dass er bei sehr hohem Überdruck in der rechten Gehäusekammer 4 gegen die Senkung 16 der Kolbenbohrung 14 stößt.At high spring force of the
Um den Ventilkegel 24 und den korrespondierenden Durchströmquerschnitt vor Verunreinigung zu schützen, ist im Ventilkörper 18 eine Filterscheibe 22 angeordnet, welche die im durchströmendenden Dämpfungsmedium gegebenenfalls vorhandenen Fremdkörper aufnimmt.In order to protect the
Nach rechts wird die Verschiebebewegung des Ventilkörpers 18 durch Rastzungen 20 begrenzt, welche in einen Rücksprung 17 der Kolbenbohrung 14 eingreifen. Der Ventilkörper 18 nimmt diese Position bei Überdruck im Kolbeninnenraum 5 ein. Dadurch, dass die Dichtung 19 bei dieser Position des Ventilkörpers 18 nicht mehr in Kontakt mit der Senkung 16 der Kolbenbohrung 14 steht, kann das Dämpfungsmedium vom Kolbeninnenraum 5 durch die in
Das in
In
- 11
- Türschließerdoor closers
- 22
- Gehäusecasing
- 33
- Kolbenpiston
- 44
- Gehäusekammerhousing chamber
- 55
- KolbeninnenraumPiston interior
- 66
- Gehäusekammerhousing chamber
- 77
- Schließerfedercloser spring
- 88th
- Verzahnunggearing
- 99
- Zahnradgear
- 1010
- Schließerwellecloser shaft
- 1313
- Kolbenbohrungpiston bore
- 1414
- Kolbenbohrungpiston bore
- 1515
- VentilValve
- 1616
- Senkungreduction
- 1717
- Rücksprungreturn
- 1818
- Ventilkörpervalve body
- 1919
- Dichtungpoetry
- 2020
- Rastzungecatch tongue
- 2121
- Aussparungrecess
- 2222
- Filterscheibefilter disc
- 2323
- Bohrungdrilling
- 2424
- Ventilkegelshuttle
- 2525
- Ventileinsatzvalve core
- 2626
- Rastnockelocking cam
- 2727
- Federfeather
- 2828
- Bohrungdrilling
- 2929
- Abflachungflattening
- 3030
- Querschnittcross-section
Claims (11)
- Door closer (1) for closing a door leaf,
comprising a housing (2), a piston (3), which is guided in a linearly displaceable manner in the housing (2), and a hydraulic damping device,
wherein the housing interior is filled with a damping medium, and
wherein the housing interior is divided by the piston (3) in a liquid-tight manner into at least two housing chambers (4, 6), and
wherein in the piston (3), for the through-flow by the damping medium when the door leaf is opened, there is disposed an overflow valve, and
wherein in the piston (3) there is disposed an additional pressure-relief valve, which enters into operation in the event of an overpressure of the damping medium in a housing chamber (4), which overpressure is generated by manual over-forcing of the door leaf in the closing direction, in that the damping medium additionally drains out of the housing chamber (4) to the damping device via the pressure-relief valve, and
wherein the pressure-relief valve and the overflow valve are disposed in combined arrangement in a valve body (18) of a valve (15) in a piston bore (14) of the piston (3), and
wherein the valve body (18) is guided displaceably in the piston bore (14), and
wherein the valve body (18) has a seal (19), and
wherein the seal (19) of the valve body (18) interacts directly with the inner face of the piston bore (14), in that the seal (19) seals the valve body (18), in an end position of its range of displacement, in a liquid-tight manner with respect to the inner face of the piston bore (14),
characterized in that
the valve body (18) has latching tongues (20), which cooperate with the piston bore (14) in a latch-locking manner. - Door closer according to Claim 1, characterized in that the piston bore (14) has a device for limiting the displacement motion of the valve body (18).
- Door closer according to Claim 2, characterized in that the piston bore (14) has a depression (16).
- Door closer according to Claim 2, characterized in that the piston bore (14) has a recess (17).
- Door closer according to Claim 1, characterized in that the valve body (18) has flattenings (29), which form with the inner wall of the piston (3) ducts having a cross section (30), which ducts allow the through-flow of the damping medium from a housing chamber configured as the piston interior (5) to another housing chamber (4).
- Door closer according to Claim 1, characterized in that in the valve body (18) there is disposed a valve insert (25), the valve insert (25) containing a spring (27) which is supported in the valve insert (25) and biases a valve cone (24) towards a bore (23) of the valve body (18), and the valve insert (25) having a bore (28) directed to the piston interior (5).
- Door closer according to Claim 6, characterized in that the valve insert (25) has a fastening device for the non-positive and liquid-tight fastening of the valve insert (25) in the valve body (18).
- Door closer according to Claim 7, characterized in that the valve insert (25) has latching cams (26), which cooperate with cavities (21) of the valve body (18).
- Door closer according to Claim 6, characterized in that the valve (3) is of modular construction, the different valve inserts (25) and/or different springs (27) and/or different valve cones (24) being able to be inserted in the unitary valve body (18).
- Door closer according to Claims 4 and 9, characterized in that the valve (3) can be installed by insertion of the valve body (18) into the piston bore (14) and by insertion of the valve insert (25) into the valve body (18), the connection between the valve body (18) and the piston bore (14), and between the valve insert (25) and the valve body (18), being respectively configured as a latching connection (16, 20, 21, 26).
- Door closer according to Claim 1, characterized in that the valve body (18) and the valve insert (25) are respectively formed from elastic material.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10145200 | 2001-09-13 | ||
DE10145200.4A DE10145200B4 (en) | 2001-09-13 | 2001-09-13 | door closers |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1293633A2 EP1293633A2 (en) | 2003-03-19 |
EP1293633A3 EP1293633A3 (en) | 2006-01-25 |
EP1293633B1 true EP1293633B1 (en) | 2008-07-23 |
Family
ID=7698939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02020109A Expired - Lifetime EP1293633B1 (en) | 2001-09-13 | 2002-09-07 | Door closer |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1293633B1 (en) |
CN (1) | CN1250857C (en) |
AT (1) | ATE402312T1 (en) |
DE (2) | DE10145200B4 (en) |
ES (1) | ES2305165T3 (en) |
PT (1) | PT1293633E (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI116915B (en) | 2004-12-08 | 2006-03-31 | Abloy Oy | Directional control valve for door closer, has protruding flange for seating against door closer piston while simultaneously creating seal around mounting hole in piston |
DE102005030756B4 (en) | 2005-06-29 | 2010-04-08 | Geze Gmbh | Valve for driving a wing of a door or a window |
DE102009022975A1 (en) | 2009-05-28 | 2010-12-02 | Dorma Gmbh + Co. Kg | Valve of a hydraulic door operator |
DE102011055317A1 (en) * | 2011-11-14 | 2013-05-16 | Dorma Gmbh + Co. Kg | Piston for a door closing device |
DE102013102336A1 (en) * | 2013-03-08 | 2014-09-11 | Dorma Gmbh + Co. Kommanditgesellschaft | Pressure relief valve for a door closing device |
JP6002070B2 (en) * | 2013-03-26 | 2016-10-05 | リョービ株式会社 | Door closer |
CN103306564B (en) * | 2013-06-25 | 2016-03-02 | 苏州市富尔达科技股份有限公司 | Door closer |
GB2577542B (en) * | 2018-09-28 | 2021-11-03 | Assa Abloy Ltd | Door-closer |
EP4053368A1 (en) * | 2021-03-01 | 2022-09-07 | dormakaba Deutschland GmbH | Door actuator and door unit |
DE102022210953A1 (en) * | 2022-10-17 | 2024-04-18 | Geze Gmbh | Pressure relief valve for a door drive |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2124632A1 (en) * | 1971-05-18 | 1972-11-30 | Ver Baubeschlag Gretsch Co | Piston sealing ring - esp of polyamide open with overlapping joint |
DE2405265A1 (en) * | 1974-02-04 | 1975-08-14 | Ver Baubeschlag Gretsch Co | Suction valve for door closing mechanism - has housing with guide fingers for ball element |
FI62401C (en) * | 1976-12-13 | 1982-12-10 | Waertsilae Oy Ab | DOERRSTAENGARE |
GB2158148B (en) * | 1984-04-27 | 1988-03-02 | Jebron Ltd | Door closer |
DE8526660U1 (en) * | 1985-09-18 | 1987-01-22 | Gretsch-Unitas Gmbh Baubeschlaege, 7257 Ditzingen, De | |
DE8801898U1 (en) * | 1988-02-13 | 1988-03-24 | Gretsch-Unitas Gmbh Baubeschlaege, 7257 Ditzingen, De | |
IT1241880B (en) * | 1990-07-20 | 1994-02-01 | Mab Masellis S P A | DOOR CLOSER WITH INTERNAL, HYDROSTATIC DEVICE FOR LOCKING THE DOOR IN THE OPENING POSITION. |
DE19808292A1 (en) * | 1998-02-27 | 1999-09-02 | Geze Gmbh & Co | Device for opening or shutting door, window or similar item |
-
2001
- 2001-09-13 DE DE10145200.4A patent/DE10145200B4/en not_active Withdrawn - After Issue
-
2002
- 2002-09-07 ES ES02020109T patent/ES2305165T3/en not_active Expired - Lifetime
- 2002-09-07 DE DE50212527T patent/DE50212527D1/en not_active Expired - Lifetime
- 2002-09-07 EP EP02020109A patent/EP1293633B1/en not_active Expired - Lifetime
- 2002-09-07 PT PT02020109T patent/PT1293633E/en unknown
- 2002-09-07 AT AT02020109T patent/ATE402312T1/en active
- 2002-09-13 CN CN02143154.XA patent/CN1250857C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2305165T3 (en) | 2008-11-01 |
DE10145200A1 (en) | 2003-04-10 |
EP1293633A3 (en) | 2006-01-25 |
CN1250857C (en) | 2006-04-12 |
DE10145200B4 (en) | 2015-09-10 |
ATE402312T1 (en) | 2008-08-15 |
CN1407201A (en) | 2003-04-02 |
DE50212527D1 (en) | 2008-09-04 |
PT1293633E (en) | 2008-09-15 |
EP1293633A2 (en) | 2003-03-19 |
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