EP1062401B1 - Door closer - Google Patents
Door closerInfo
- Publication number
- EP1062401B1 EP1062401B1 EP99957338A EP99957338A EP1062401B1 EP 1062401 B1 EP1062401 B1 EP 1062401B1 EP 99957338 A EP99957338 A EP 99957338A EP 99957338 A EP99957338 A EP 99957338A EP 1062401 B1 EP1062401 B1 EP 1062401B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door closer
- housing
- segments
- piston
- closer according
- 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
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 239000004033 plastic Substances 0.000 claims description 28
- 229920003023 plastic Polymers 0.000 claims description 28
- 238000013016 damping Methods 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 11
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 claims 1
- 238000007373 indentation Methods 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 241000287107 Passer Species 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010959 steel Substances 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
- E05F3/10—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
- E05F3/22—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
- 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
- E05F3/227—Additional arrangements for closers, e.g. for holding the wing in opened or other position mounted at the top of wings, e.g. details related to closer housings, covers, end caps or rails therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/252—Type of friction
- E05Y2201/254—Fluid or viscous friction
- E05Y2201/256—Fluid or viscous friction with pistons or vanes
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/262—Type of motion, e.g. braking
- E05Y2201/264—Type of motion, e.g. braking linear
-
- 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
- E05Y2800/21—Combinations of elements of identical elements, e.g. of identical compression 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
- 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 a Hubkurvenin is present, which is non-positively and positively connected to a discharged from a filled with a damping medium housing output shaft, the Hubkurvenin seen in the axial direction of the door closer on each side abutting on a respective pinch roller and on the other hand is in operative connection with a spring loaded with a closing spring and on the other hand with a damping piston, wherein the piston and the housing are made of an oil-tight plastic.
- a generic door closer has become known from Swiss patent specification 281 690.
- the door closer described therein is suitable for DIN left and DIN right hinged doors, with an existing output shaft is equipped with a symmetrically shaped cam, which is in contact with the piston and thus with the closing spring.
- Both the housing and the piston are made of an oil-tight plastic.
- FIG. 1 Another door closer is shown in GB 2 292 182 A, where a door closer is described, which reproduces an internal toothing present in a piston.
- the toothing and the piston are designed as separate components, wherein preferably the toothing of a material other than plastic, from which the piston is made, is made.
- the housing and the housing closing plug made of plastic.
- the object of the invention is to produce a lightweight, cost-effective door closer, in which the usually resulting machining can be omitted.
- the cylinder walls surrounding the pistons are round. This is particularly due to the otherwise occurring rework, since the round shape is the easiest to accomplish. But if you want a cheap small door closer, ie a Mosschlie-ßer that does not build up strong, can also cross section of the piston, ie the damping piston and the spring piston or even the plastic piston with teeth take a different cross-section than the round, namely an oval, rectangular, square or square cross section. All of these forms can be produced without problems in plastic, since such housings or pistons are manufactured in the so-called injection molding process. These methods have today due to the available plastics an enormous dimensional tolerance and thus fit on.
- such a housing does not necessarily have to be produced from one part by injection molding. This is also possible from several segments or subsegments. These segments or sub-segments are put together on integrally formed Passer or projections and matching recesses on the contrary or placed together and connected by appropriate methods, such as gluing, ultrasonic welding, laser welding or the like, non-positively and positively permanently. By these methods, the dimensional stability of the individual segments is obtained. At the same time it is possible in the design in the individual segments in the housing, even channels, holes, pockets, valve seat or even valves directly during the manufacturing process, without rework, with or on. As a result, the installation effort and thus the manufacturing cost factor is reduced.
- caps or closures these need not necessarily be present depending on manufactured segment in the subject invention, since the joining of the individual closed-sided segments pre-assembly of individual parts is quite conceivable. Separate closures are then inserted on the segments where it is only possible to close them afterwards.
- closures can be non-positively and positively connected by gluing, ultrasonic welding or the like non-positively and positively with the segments or with the housing.
- closures provided with grooves, undercuts or bayonet closures in order to reduce assembly times during assembly.
- the fastening devices in the form of corresponding holes to mount the door closer in the finished state at its original place, can be formed without cutting in plastic injection molding in the same time.
- the illustrated in Figures 1 and 2 door closer has a Hubkurvenance 1, which is penetrated by an output shaft 3.
- the output shaft 3 is mounted in the upper region by a output shaft bearing 17 and in the lower region by a Abtriebsachsenlagerung 16 within a housing 2.
- the bearing consists of either a sintered material or a nail bearing or ball bearings.
- the output shaft bearings 16 and 17 may also be made of plastic next to the housing 2.
- the cam tracks of Hubkurvenance 1 come on the one hand with a pinch roller 7, which is mounted on an axis 14 within a damping piston 14 in contact.
- the Hubkurvenin with a pinch roller 8, which is mounted on an axis 15 within a spring piston 6, in contact.
- a closing spring 13 at one end and the other against a spring counter-plate 31 to the plant.
- the lateral ends of the housing 2 are closed by closures 18 and 19, which are connected by means of gluing, ultrasonic welding, laser welding or the like with the housing 2 non-positively and positively. Since for the control function of a door closer corresponding channels 20 in conjunction with valves 29 are necessary, they have been simultaneously formed without cutting in the manufacturing process in the housing 2.
- Both inside the damping piston 4 as well as in the spring piston 6 check valves 5 are also molded in addition during the manufacturing process of this piston. However, it is also possible to produce these check valves 5 separately, and in such a case they also consist only of plastic.
- a fastening device 28 has been simultaneously formed without cutting in or on the housing 2 during the manufacturing process.
- a rack and pinion door closer is shown with a piston 10 made of plastic and having internal teeth 11. With the teeth 11 is a pinion 12 in operative connection, wherein the pinion 12 is formed on the output shaft 3 non-positively and positively with.
- the piston 10 with its toothing 11 and the output shaft 3 with its pinion 12 are also made of plastic in this embodiment.
- the door closer has the same characteristics of Figures 1 and 2, d. H. Even with this door closer heating due to the same expansion coefficients would bring with respect to the function no failures.
- the ends of the housing 9 are also by closures 18 and 19, which are also connected by gluing, ultrasonic welding, laser welding or the like non-positively and positively connected to the housing 9, closed.
- FIG. 5 shows a housing of a door closer, which is composed of different segments 21 and 22. It is possible to perform different segments manufacturing technology individually, such as the segment 22, which has been shown as unilaterally open segment with molded fasteners 28. At the points to be joined, the segments 21 and 22 have passer 26 and recesses 27, which engage in the joining together and enter into a subsequent positive and positive locking and beyond dimensionally stable shape in the subsequent process for connecting the segments 21 and 22.
- the piston chamber 30, which is located within the segments 21 and 22, is on the open side of the segment 21 is closed by a closure 19.
- a bore 23 for the reproduced in the figure 1 output shaft bearings 16 and 17 is also formed without cutting.
- segments 21 and 22 are also possible to divide the segments in a different form, as shown in FIG. 6.
- segments 24 and 25 are shown, which are connected to each other in the longitudinal direction of the door closer via register 26 and recesses 27.
- the piston chamber 30 has been reproduced as a square piston chamber.
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Lock And Its Accessories (AREA)
Abstract
Description
Die Erfindung betrifft einen Türschließer nach dem Oberbegriff des Patentanspruches 1, bei dem eine Hubkurvenscheibe vorhanden ist, die mit einer aus einem mit einem Dämpfungsmedium gefüllten Gehäuse austretenden Abtriebswelle kraft- und formschlüssig verbunden ist, wobei die Hubkurvenscheibe in Achsrichtung auf den Türschließer gesehen auf jeder Seite an je einer Andruckrolle anliegt und andererseits mit einem mit einer Schließfeder beaufschlagten Federkolben und andererseits mit einem Dämpfungskolben in Wirkverbindung steht, wobei der Kolben und das Gehäuse aus einem öldichten Kunststoff bestehen.The invention relates to a door closer according to the preamble of
Ein gattungsbildender Türschließer ist aus der Schweizer Patentschrift 281 690 bekannt geworden. Der dort beschriebene Türschließer ist für DIN links und DIN rechts angeschlagene Türen verwendbar, wobei eine vorhandene Abtriebswelle mit einer symmetrisch ausgebildeten Nockenscheibe ausgestattet ist, die mit dem Kolben und damit mit der Schließfeder in Kontakt steht. Sowohl das Gehäuse als auch der Kolben sind aus einem öldichten Kunststoff angefertigt.A generic door closer has become known from Swiss patent specification 281 690. The door closer described therein is suitable for DIN left and DIN right hinged doors, with an existing output shaft is equipped with a symmetrically shaped cam, which is in contact with the piston and thus with the closing spring. Both the housing and the piston are made of an oil-tight plastic.
Einen weiteren Türschließer zeigt die GB 2 292 182 A, wo ein Türschlie-ßer beschrieben wird, der eine in einem Kolben vorhandene Innenverzahnung wiedergibt. Hier sind die Verzahnung und der Kolben als getrennte Bauteile ausgeführt, wobei vorzugsweise die Verzahnung aus einem anderen Material als Kunststoff, aus dem nämlich der Kolben besteht, gefertigt wird. Ebenso sind dort das Gehäuse und der das Gehäuse verschließende Stopfen aus Kunststoff hergestellt.Another door closer is shown in
Die DE 9413039 U beschreibt einen Türschließer mit Zahnkolben und Ritzel, bei dem zusätzlich zum Gehäuse der Dämpfungskolben und der Schließkolben aus Kunststoff gefertigt sind.DE 9413039 U describes a door closer with toothed piston and pinion, in which in addition to the housing of the damping piston and the closing piston are made of plastic.
Die Aufgabe der Erfindung besteht darin, einen leichten kostengünstigen Türschließer herzustellen, bei dem die üblicherweise anfallende spanabhebende Bearbeitung entfallen kann.The object of the invention is to produce a lightweight, cost-effective door closer, in which the usually resulting machining can be omitted.
Die Aufgabe der Erfindung wird durch die Merkmale des Patentanspruches 1 gelöst.The object of the invention is solved by the features of
Zur Kostenreduzierung wird deshalb erfindungsgemäß vorgeschlagen, neben den bekannten Teilen aus Kunststoff, sämtliche bearbeitungsintensiven Teile aus Kunststoff zu fertigen. Diese sind neben dem Dämpfungskolben, dem Federkolben und dem Gehäuse, die Hubkurvenscheibe, die Abtriebsachse und/oder die Andruckrollen, die mit der Hubkurvenscheibe zusammenwirken. Darüber hinaus wird nach einer erfindungsgemäßen Weiterbildung vorgeschlagen, auch die außerhalb des Türschließers vorhandenen Teile, wie Scherengestänge oder Betätigungsarm, bei einem Gleitschienentürschließer in Verbindung mit der Gleitschiene insgesamt aus Kunststoff herzustellen. Dabei ist es unerheblich, ob es sich um einen Bodentürschließer, Rahmentürschließer oder Innentürschließer handelt.To reduce costs is therefore proposed according to the invention, in addition to the known parts made of plastic to manufacture all machining-intensive parts made of plastic. These are in addition to the damping piston, the spring piston and the housing, the Hubkurvenscheibe, the output shaft and / or the pressure rollers, which cooperate with the Hubkurvenscheibe. In addition, it is proposed according to a development of the invention, also the outside of the door closer existing parts, such as scissor linkage or actuator arm to produce at a sliding rail door closer in conjunction with the slide rail of plastic. It does not matter whether it is a floor spring, frame door closer or internal door closer.
Üblicherweise sind die die Kolben umgebenden Zylinderwandungen rund ausgeführt. Dieses liegt insbesondere an den sonst stattfindenden Nacharbeiten, da die runde Form am einfachsten zu bewerkstelligen ist. Will man aber einen preiswerten kleinen Türschließer, d. h. einen Türschlie-ßer, der nicht stark aufbaut, herstellen, kann auch der Querschnitt des Kolbens, d. h. des Dämpfungskolbens und des Federkolbens oder aber auch des Kunststoffkolbens mit Verzahnungen einen anderen Querschnitt als den runden einnehmen, nämlich einen ovalen, rechteckigen, quadratischen oder viereckigen Querschnitt. All diese Formen sind fertigungstechnisch in Kunststoff problemlos herzustellen, da derlei Gehäuse bzw. Kolben im so genannten Spritzgussverfahren hergestellt werden. Diese Verfahren weisen heutzutage aufgrund der verfügbaren Kunststoffe eine enorme Maßtoleranz und damit Passgenauigkeit auf.Usually, the cylinder walls surrounding the pistons are round. This is particularly due to the otherwise occurring rework, since the round shape is the easiest to accomplish. But if you want a cheap small door closer, ie a Türschlie-ßer that does not build up strong, can also cross section of the piston, ie the damping piston and the spring piston or even the plastic piston with teeth take a different cross-section than the round, namely an oval, rectangular, square or square cross section. All of these forms can be produced without problems in plastic, since such housings or pistons are manufactured in the so-called injection molding process. These methods have today due to the available plastics an enormous dimensional tolerance and thus fit on.
Ein derartiges Gehäuse muss aufgrund der geometrischen Querschnitte nicht unbedingt aus einem Teil im Spritzgussverfahren hergestellt werden. Dieses ist auch aus mehreren Segmenten oder Teilsegmenten möglich. Diese Segmente oder Teilsegmente werden über angeformte Passer bzw. Vorsprünge und damit übereinstimmende Vertiefungen im Gegenteil zusammengesetzt bzw. aneinander gesetzt und durch entsprechende Verfahren, wie Verkleben, Ultraschallschweißen, Laserschweißen oder dergleichen, kraft- und formschlüssig dauerhaft untereinander verbunden. Durch diese Verfahren wird die Formstabilität der einzelnen Segmente erhalten. Gleichzeitig ist es in der Ausführung in den einzelnen Segmenten bei dem Gehäuse möglich, auch Kanäle, Bohrungen, Taschen, Ventilsitz oder auch selbst Ventile direkt beim Herstellungsprozess, ohne Nacharbeit, mit ein- bzw. anzuformen. Hierdurch wird der Montageaufwand und damit der Herstellkostenfaktor reduziert.Due to the geometric cross sections, such a housing does not necessarily have to be produced from one part by injection molding. This is also possible from several segments or subsegments. These segments or sub-segments are put together on integrally formed Passer or projections and matching recesses on the contrary or placed together and connected by appropriate methods, such as gluing, ultrasonic welding, laser welding or the like, non-positively and positively permanently. By these methods, the dimensional stability of the individual segments is obtained. At the same time it is possible in the design in the individual segments in the housing, even channels, holes, pockets, valve seat or even valves directly during the manufacturing process, without rework, with or on. As a result, the installation effort and thus the manufacturing cost factor is reduced.
Üblicherweise sind bei Türschließern die Enden durch so genannte Verschlusskappen oder Verschlüsse verschlossen, diese brauchen je nach gefertigten Segment bei dem erfindungsgemäßen Gegenstand nicht unbedingt vorhanden zu sein, da durch das Zusammenfügen der einzelnen einseitig verschlossenen Segmente eine Vormontage einzelner Teile durchaus denkbar ist. An den Segmenten, an denen erst im Nachhinein eine Verschließung möglich ist, werden dann separate Verschlüsse eingebracht. Auch diese Verschlüsse können durch Verkleben, Ultraschallschweißen oder dergleichen kraft- und formschlüssig mit den Segmenten bzw. mit dem Gehäuse kraft- und formschlüssig verbunden werden. Dabei sind neben stumpfen Ausführungen auch mit Rillen, Hinterschnitten oder Bajonettverschlüssen versehene Verschlüsse zu verwenden, um so die Montagezeiten beim Zusammenfügen zu reduzieren.
Auch die Befestigungsvorrichtungen, in Form von entsprechenden Bohrungen, um den Türschließer im fertigen Zustand an seinem angestammten Platz zu montieren, können gleichzeitig bei einer Spritzgussausführung in Kunststoff spanlos angeformt werden. Die Erfindung wird nachfolgend anhand verschiedener schematisch dargestellter Ausführungsbeispiele näher erläutert.Typically, in door closers, the ends are closed by so-called caps or closures, these need not necessarily be present depending on manufactured segment in the subject invention, since the joining of the individual closed-sided segments pre-assembly of individual parts is quite conceivable. Separate closures are then inserted on the segments where it is only possible to close them afterwards. These closures can be non-positively and positively connected by gluing, ultrasonic welding or the like non-positively and positively with the segments or with the housing. there In addition to blunt designs, it is also necessary to use closures provided with grooves, undercuts or bayonet closures in order to reduce assembly times during assembly.
The fastening devices, in the form of corresponding holes to mount the door closer in the finished state at its original place, can be formed without cutting in plastic injection molding in the same time. The invention will be explained in more detail with reference to various schematically illustrated embodiments.
Es zeigen:
- Figur 1:
- Einen axialen Schnitt durch eine Seitenansicht eines Obentürschließers mit einer Hubkurvenscheibe.
- Figur 2:
- Einen axialen Schnitt durch eine Draufsicht eines Obentürschließers gemäß
Figur 1. - Figur 3:
- Einen Schnitt durch einen Obentürschließer in der Vorderansicht mit einer Innenverzahnung, nach dem Stand der Technik.
- Figur 4:
- Schnitt durch eine Draufsicht eines Obentürschließers gemäß
Figur 3. - Figur 5:
- Schnitt durch ein Gehäuse eines Türschließers, welches aus einzelnen Segmenten besteht.
- Figur 6:
- Seitenansicht zweier Gehäusehälften, bestehend aus zwei _ Gehäusesegmenten mit einem quadratischen Querschnitt des Kolbenraumes.
- FIG. 1:
- An axial section through a side view of an overhead door closer with a Hubkurvenscheibe.
- FIG. 2:
- An axial section through a plan view of an overhead door closer according to FIG. 1
- FIG. 3:
- A section through an overhead door closer in the front view with an internal toothing, according to the prior art.
- FIG. 4:
- Section through a plan view of an overhead door closer according to FIG. 3.
- FIG. 5:
- Section through a housing of a door closer, which consists of individual segments.
- FIG. 6:
- Side view of two housing halves, consisting of two _ housing segments with a square cross section of the piston chamber.
Neben der nachfolgenden Figurenbeschreibung verschiedener Ausführungsbeispiele gemäß eines Obentürschließers ist der erfindungsgemäße Gedanke ebenso auf Bodentürschließer, Rahmentürschließer und Innentürschließer anzuwenden. Bei den Obentürschließern, Rahmentürschlie-ßern und Innentürschließern kann sowohl eine Gestänge, in Form eines Scherengestänges, oder ein Betätigungsarm in Verbindung mit einer Gleitschiene verwendet werden. Auch diese Teile, Gleitschiene, Betätigungsarm und Scherengestänge, sind aus einem die entsprechende Festigkeit aufweisenden Kunststoff hergestellt.In addition to the following description of the figures of various embodiments according to an overhead door closer, the idea according to the invention is also applicable to floor spring closers, frame door closers and internal door closers. In the overhead door closers, frame door locks and interior door closers, both a linkage, in the form of a scissor linkage, or an actuating arm in conjunction with a slide rail can be used. These parts, slide rail, operating arm and scissors linkage are made of a plastic having the appropriate strength.
Der in den Figuren 1 und 2 wiedergegebene Türschließer weist eine Hubkurvenscheibe 1 auf, die von einer Abtriebsachse 3 durchdrungen wird. Die Abtriebsachse 3 ist im oberen Bereich durch eine Abtriebsachsenlagerung 17 und im unteren Bereich durch eine Abtriebsachsenlagerung 16 innerhalb eines Gehäuses 2 gelagert. Das Lager besteht dabei entweder aus einem Sintermaterial oder einem Nagellager bzw. Kugellager. Die Abtriebsachsenlagerungen 16 und 17 können neben dem Gehäuse 2 ebenfalls aus Kunststoff hergestellt sein. Die Kurvenbahnen der Hubkurvenscheibe 1 kommen auf der einen Seite mit einer Andruckrolle 7, die über eine Achse 14 innerhalb eines Dämpfungskolbens 14 gelagert ist, in Berührung. Auf der anderen Seite liegt die Hubkurvenscheibe 1 mit einer Andruckrolle 8, die über eine Achse 15 innerhalb eines Federkolbens 6 gelagert ist, in Berührung. Gegen das andere Ende des Federkolbens 6 kommt eine Schließfeder 13 einerends und andererends gegen eine Federgegenplatte 31 zur Anlage. Die seitlichen Enden des Gehäuses 2 sind durch Verschlüsse 18 und 19, die entweder durch Verkleben, Ultraschallschweißen, Laserschweißen oder dergleichen mit dem Gehäuse 2 kraft- und formschlüssig verbunden sind, verschlossen. Da für die Steuerfunktion eines Türschließers entsprechende Kanäle 20 in Verbindung mit Ventilen 29 notwendig sind, sind diese im Herstellungsprozess gleichzeitig in das Gehäuse 2 spanlos eingeformt worden. Sowohl innerhalb des Dämpfungskolbens 4 als auch im Federkolben 6 sind darüber hinaus während des Fertigungsprozesses dieser Kolben Rückschlagventile 5 gleichzeitig mit eingeformt worden. Es ist jedoch auch möglich, diese Rückschlagventile 5 separat herzustellen, wobei sie in einem solchen Fall auch nur aus Kunststoff bestehen.The illustrated in Figures 1 and 2 door closer has a
Um ein solches Gehäuse 2 an einer Tür oder oberhalb der Tür zu befestigen, ist eine Befestigungsvorrichtung 28 gleichzeitig in oder an das Gehäuse 2 während des Herstellprozesses spanlos angeformt worden.In order to secure such a
Es versteht sich, durch den Weg der Kunststoffverarbeitung, ohne nachträgliche Bearbeitung, dass neben der durchgehenden Zylinderbohrung für den Dämpfungskolben 4, den Federkolben 6 und die Schließfeder 13, die im Stand der Technik rund ausgeführt sind, dass auch andere Formen möglich sind. Dieses sind insbesondere eine ovale Form, was gleichzeitig bedeuten würde, dass der Schließer in seinen Abmaßen wesentlich schmaler wäre, oder eine rechteckige oder quadratische Form.It is understood, by the way the plastic processing, without subsequent processing, that in addition to the continuous cylinder bore for the damping piston 4, the
In der Figur 2, bei der ein einteiliges Gehäuse wiedergegeben wird, wird deutlich, dass aufgrund von gleichen Materialien sowohl für den Dämpfungskolben 4 als auch den Federkolben 6 und die Hubkurvenscheibe 1 mit der Abtriebsachse 3 aufgrund von Erwärmungen, beispielsweise durch Sonneneinstrahlung, bei einem solchen Türschließer keine Probleme hinsichtlich der Wärmeausdehnung auftreten können, da das verwendete Material für alle Bauteile den gleichen Ausdehnungskoeffizienten hat. Dieses ist im Stand der Technik nicht gegeben, da bei der Verwendung von beispielsweise Stahl oder Leichtmetall in Verbindung mit Kunststoff unterschiedlichste Ausdehnungskoeffizenten wirken, was zwangsläufig zu Leckagen bzw. zu Ausfällen einer solchen Tür führen muss.In the figure 2, in which a one-piece housing is reproduced, it is clear that due to the same materials for both the damping piston 4 and the
In einem Beispiel der Figuren 3 und 4 nach dem Stand der Technik wird ein Zahnstangentürschließer mit einem Kolben 10, der aus Kunststoff besteht und eine Innenverzahnung 11 aufweist, wiedergegeben. Mit der Verzahnung 11 steht ein Ritzel 12 in Wirkverbindung, wobei das Ritzel 12 auf der Abtriebsachse 3 kraft- und formschlüssig mit angeformt ist. Neben dem Gehäuse 9 sind bei diesem Ausführungsbeispiel der Kolben 10 mit seiner Verzahnung 11 und die Abtriebsachse 3 mit ihrem Ritzel 12 ebenfalls aus Kunststoff hergestellt. Somit hat der Türschließer die gleichen Eigenschaften der Figuren 1 und 2, d. h. auch bei diesem Türschließer würde eine Erwärmung aufgrund der gleichen Ausdehnungskoeffizienten hinsichtlich der Funktion keine Ausfälle mit sich bringen. Die Enden des Gehäuses 9 sind ebenfalls durch Verschlüsse 18 und 19, die ebenfalls durch Verkleben, Ultraschallschweißen, Laserschweißen oder dergleichen kraft- und formschlüssig mit dem Gehäuse 9 verbunden sind, verschlossen.In an example of Figures 3 and 4 of the prior art, a rack and pinion door closer is shown with a
Bei der Ausführung eines Bodentürschließers ganz in Kunststoff wird natürlich auch der zu dem Bodentürschließer gehörende Zementkasten ebenfalls aus Kunststoff hergestellt.In the execution of a floor door closer entirely in plastic, of course, also belonging to the bottom door closer cement box is also made of plastic.
Das in der Figur 5 dargestellte Ausführungsbeispiel zeigt ein Gehäuse eines Türschließers, welches aus verschiedenen Segmenten 21 und 22 zusammengesetzt wird. Dabei ist es möglich, verschiedene Segmente fertigungstechnisch einzeln auszuführen, so beispielsweise das Segment 22, welches als einseitig offenes Segment mit angeformten Befestigungen 28 wiedergegeben worden ist. An den zu verbindenden Stellen haben die Segmente 21 und 22 Passer 26 und Vertiefungen 27, die beim Aneinanderfügen ineinander eingreifen und beim anschließenden Verfahren zur Verbindung der Segmente 21 und 22 eine kraft- und formschlüssige und darüber hinaus formstabile Form eingehen. Der Kolbenraum 30, der sich innerhalb der Segmente 21 und 22 befindet, wird auf der offenen Seite des Segmentes 21 durch einen Verschluss 19 verschlossen. In dem Segment 21 ist darüber hinaus eine Bohrung 23 für die in der Figur 1 wiedergegebenen Abtriebsachsenlagerungen 16 und 17 gleichzeitig spanlos mit eingeformt.The embodiment shown in Figure 5 shows a housing of a door closer, which is composed of
Neben der Teilung der Segmente 21 und 22 ist es auch möglich, die Segmente in anderer Form zu teilen, wie es die Figur 6 wiedergibt. Hier sind Segmente 24 und 25 dargestellt, die in Längsrichtung des Türschließer über Passer 26 und Vertiefungen 27 miteinander verbunden werden. Gleichzeitig ist in diesem Ausführungsbeispiel der Figur 6 der Kolbenraum 30 als quadratischer Kolbenraum wiedergegeben worden.In addition to the division of the
Bei den vorgenannten Ausführungsbeispielen, die keinen Anspruch auf Vollständigkeit erheben, wird davon ausgegangen, dass es sich um Türschließer jeglicher Art handelt, die ohne nachträgliche Bearbeitung der Einzelteile und Segmente zusammengebaut werden. Dabei kann ein solcher Zusammenbau auch in einem automatischen Verfahren durchgeführt werden. Die aus Kunststoff, vorzugsweise in einem spritztechnischen Verfahren, hergestellten Teile werden, ohne nachträgliche weitere Bearbeitung, durch Verkleben, Ultraschallschweißen, Laserschweißen oder dergleichen untereinander kraft- und formschlüssig verbunden. Als Kunststoff kann ein carbonfaser- oder glasfaserverstärkter Kunststoff verwendet werden. In the aforementioned embodiments, which are not exhaustive, it is assumed that they are door closers of any kind, which are assembled without subsequent processing of the items and segments. In this case, such an assembly can also be carried out in an automatic process. The parts made of plastic, preferably in an injection molding process, are non-positively connected to one another by means of gluing, ultrasonic welding, laser welding or the like without further subsequent processing. As plastic, a carbon fiber or glass fiber reinforced plastic can be used.
Claims (12)
- A door closer having a cam disc, which is non-positively and positively connected to an output shaft protruding from a housing (2) which is filled with a damping medium, the cam disc, seen in axial direction of the door closer, at both sides bearing against one pressure roller respectively, and, at the one end, being in operative connection with a spring piston (6) charged by a closing spring and, at the other end with a damping piston (4), the pistons (4, 6) and the housing (2) consisting of oil-tight plastic material, characterized in that, in addition to the damping piston (4), the spring piston (6) and the housing (2), the cam disc (1), the output shaft (3) and/or the pressure rollers (7, 8) consist of plastic material.
- A door closer according to claim 1, characterized in that the door closer is a floor spring or a door closer including a parallel arm assembly or an actuating arm combined with a sliding channel or a transom door closer or an interior door closer, whereby the parallel arm assembly, the actuating arm and the slide channel as well completely or partially consist of plastic material.
- A door closer according to the claims 1 and 2, characterized in that the damping piston (4) and the spring piston (6) have an oval cross-section.
- A door closer according to the claims 1 and 2, characterized in that the damping piston (4) and the spring piston (6) have a rectangular or a square cross-section.
- A door closer according to claim 1, characterized Oin that the housing (2) consists of segments (21, 22, 24, 25) or of partial segments, which are interconnected.
- A door closer according to claim 5, characterized in that the segments (21, 22, 24, 25) can be assembled, respectively joined to each other by means of conformed register parts (26) or protrusions and indentations (27) mating therewith.
- A door closer according to claim 5, characterized in that channels (20), bores, pockets, valve seats, etc. are directly moulded or conformed to the segments (21, 22, 24, 25) and to the pistons (4, 6) during the manufacturing process without the need of any finishing operation.
- A door closer according to the claims 5 and 6, characterized in that the housing (2) is closed at the end sides by means of separate closures (18, 19).
- A door closer according to one or more of the preceding claims, characterized in that attachment devices (28) for mounting the door closer are non-chippingly conformed to the housing (2) and/or to the segments (21, 22, 24, 25).
- A door closer according to claim 1, characterized in that a carbon fibre reinforced or glass fibre reinforced plastic material is used as plastic material.
- A door closer according to the claims 5, 6 and 8, characterized in that the segments (21, 22, 24, 25) and the closures (18, 19) are interconnected by gluing, ultra-sound welding, laser welding or the like.
- A door closer according to claim 2, characterized in that the cement case assigned to the floor spring consists of plastic material.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19857297A DE19857297C1 (en) | 1998-12-14 | 1998-12-14 | Door closer |
DE19857297 | 1998-12-14 | ||
PCT/EP1999/009538 WO2000036255A2 (en) | 1998-12-14 | 1999-12-06 | Door closer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1062401A2 EP1062401A2 (en) | 2000-12-27 |
EP1062401B1 true EP1062401B1 (en) | 2006-08-16 |
Family
ID=7890810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99957338A Expired - Lifetime EP1062401B1 (en) | 1998-12-14 | 1999-12-06 | Door closer |
Country Status (12)
Country | Link |
---|---|
US (1) | US6618899B1 (en) |
EP (1) | EP1062401B1 (en) |
CN (1) | CN1243901C (en) |
AT (1) | ATE336631T1 (en) |
BR (1) | BR9907879A (en) |
CA (1) | CA2320809A1 (en) |
DE (2) | DE19857297C1 (en) |
ES (1) | ES2272085T3 (en) |
HK (1) | HK1063066A1 (en) |
HU (1) | HU224757B1 (en) |
PL (1) | PL346265A1 (en) |
WO (1) | WO2000036255A2 (en) |
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US8225458B1 (en) | 2001-07-13 | 2012-07-24 | Hoffberg Steven M | Intelligent door restraint |
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DE102004041358B4 (en) * | 2004-08-25 | 2006-07-13 | Dorma Gmbh + Co. Kg | Overhead closer |
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DE102013112453A1 (en) * | 2013-11-13 | 2015-05-13 | Dorma Deutschland Gmbh | Overhead closer |
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1998
- 1998-12-14 DE DE19857297A patent/DE19857297C1/en not_active Revoked
-
1999
- 1999-12-06 HU HU0101011A patent/HU224757B1/en not_active IP Right Cessation
- 1999-12-06 EP EP99957338A patent/EP1062401B1/en not_active Expired - Lifetime
- 1999-12-06 DE DE59913779T patent/DE59913779D1/en not_active Expired - Lifetime
- 1999-12-06 WO PCT/EP1999/009538 patent/WO2000036255A2/en active IP Right Grant
- 1999-12-06 CA CA002320809A patent/CA2320809A1/en not_active Abandoned
- 1999-12-06 ES ES99957338T patent/ES2272085T3/en not_active Expired - Lifetime
- 1999-12-06 BR BR9907879-1A patent/BR9907879A/en not_active IP Right Cessation
- 1999-12-06 CN CN99802942.4A patent/CN1243901C/en not_active Expired - Fee Related
- 1999-12-06 AT AT99957338T patent/ATE336631T1/en not_active IP Right Cessation
- 1999-12-06 PL PL99346265A patent/PL346265A1/en not_active IP Right Cessation
-
2000
- 2000-08-11 US US09/637,282 patent/US6618899B1/en not_active Expired - Fee Related
-
2004
- 2004-08-09 HK HK04105884A patent/HK1063066A1/en not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8225458B1 (en) | 2001-07-13 | 2012-07-24 | Hoffberg Steven M | Intelligent door restraint |
US9045927B1 (en) | 2001-07-13 | 2015-06-02 | Steven M. Hoffberg | Intelligent door restraint |
US9121217B1 (en) | 2001-07-13 | 2015-09-01 | Steven M. Hoffberg | Intelligent door restraint |
Also Published As
Publication number | Publication date |
---|---|
US6618899B1 (en) | 2003-09-16 |
HUP0101011A3 (en) | 2001-12-28 |
CN1492963A (en) | 2004-04-28 |
PL346265A1 (en) | 2002-01-28 |
DE59913779D1 (en) | 2006-09-28 |
HUP0101011A2 (en) | 2001-07-30 |
HU224757B1 (en) | 2006-01-30 |
CA2320809A1 (en) | 2000-06-22 |
WO2000036255A2 (en) | 2000-06-22 |
WO2000036255A3 (en) | 2000-10-12 |
ATE336631T1 (en) | 2006-09-15 |
HK1063066A1 (en) | 2004-12-10 |
BR9907879A (en) | 2000-10-17 |
EP1062401A2 (en) | 2000-12-27 |
ES2272085T3 (en) | 2007-04-16 |
DE19857297C1 (en) | 2000-07-06 |
CN1243901C (en) | 2006-03-01 |
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