EP2162590B2 - Control valve - Google Patents

Control valve Download PDF

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Publication number
EP2162590B2
EP2162590B2 EP08759105.3A EP08759105A EP2162590B2 EP 2162590 B2 EP2162590 B2 EP 2162590B2 EP 08759105 A EP08759105 A EP 08759105A EP 2162590 B2 EP2162590 B2 EP 2162590B2
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EP
European Patent Office
Prior art keywords
regulating valve
thread
regulating
plastic material
valve
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.)
Not-in-force
Application number
EP08759105.3A
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German (de)
French (fr)
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EP2162590B1 (en
EP2162590A1 (en
Inventor
Michael Hufen
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Dorma Deutschland GmbH
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Dorma Deutschland GmbH
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/12—Special devices controlling the circulation of the liquid, e.g. valve arrangement
    • 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
    • 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
    • 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 regulating valve, which can be fastened in an executed with an internal thread bore of a hydraulic door closer, with a base body, followed by a Regulier Scheme, and a thread with anti-rotation, wherein the thread is screwed with the anti-rotation in the internal thread of the bore ,
  • a regulating valve for a door closer which consists of a base body and a Regulier Scheme.
  • the Regulier Scheme this case is designed like a sleeve and connected via a ball joint connection with the body.
  • the Regulier Schemees arranged on the Regulier Scheme rotation is provided, which is designed as a projection or projection. This approach is longitudinally movably guided in a groove within the housing of the door closer.
  • Other generic regulating valves are off EP 2 134 914 and DE 202007004104 known.
  • the invention provides that the rotation has a plastic layer on the thread flanks of the regulating valve, which cooperates with the internal thread of the door closer. As a result, a clamping effect is achieved which avoids unintentional loosening or twisting of the regulating valve.
  • the base body has a thread, on whose thread flanks a plastic layer is arranged.
  • the thread shape is predetermined on the base body, which is equipped by a method with the plastic layer.
  • the thread is arranged on the shaft of the main body. As a result, the production of the thread can be realized in a simple manner.
  • the Regulier Council consists of a shaft extension with one end, wherein the shaft extension is connected via a material guide with the plastic layer in the thread flanks of the thread on the regulating valve.
  • the regulation area can be made in a single operation.
  • the base body has a blind hole on which the head area is arranged opposite the longitudinal axis of the base body.
  • the regulation region can be produced in one piece in a positive and positive fit and in alignment with the main body.
  • the blind bore has an angular or non-circular cross-section. This results in the insertion of the regulating valve in the bore of the door closer to an additional safeguard against rotation.
  • the approach has at least one pin which projects into a bore of the body.
  • the plastic layer is positively and / or non-positively and / or cohesively arranged on the thread.
  • the clamping effect can be very finely adjusted because it engages directly in the corresponding thread and there in the thread flanks of the door closer.
  • a high surface pressure between the thread flanks of the internal thread and the regulating valve is generated.
  • the interlocking threaded parts no longer rotate independently by such an arrangement.
  • a manual and / or intentional adjustment of the regulating valve is of course still possible.
  • the regulating valve can be regulated at any time in accordance with the desired requirements with respect to a defined closing behavior, the rotation preventing an independent rotation, in particular by occurring dynamic loads, effectively prevented.
  • the Regulier Council has an end which faces away from the base body and is tapered, preferably cone-shaped. This embodiment provides a more accurate adjustment of the oil flow, which significantly affects the closing speed of the closing process. Despite the acting forces, starting from the flowing fluid to the regulating valve, the plastic layer on the thread flanks of the regulating valve ensures that the regulating valve does not unintentionally and independently regulate itself at the thread.
  • the regulation region is arranged on the main body by an injection molding process.
  • the Regulier Scheme is made on simple operation.
  • the main body can be made of a metal, for example zinc, brass or steel, wherein the Regulier Scheme preferably consists of a plastic material.
  • the said plastic may be fiber-reinforced, in particular
  • the plastic may have a certain proportion of glass fibers and / or carbon fibers and / or aramid fibers.
  • the base body and / or the Regulier Scheme consist of a plastic material, in particular the main body consists of a fiber-reinforced plastic.
  • the complete regulating valve is produced in a single operation.
  • the door closer has an inlet channel, an outlet channel and a conical valve seat, wherein a fluid can be conducted through the inlet channel along the valve seat to the outlet channel.
  • the free end of the Regulier Schemees is substantially adapted to the valve seat of the door closer.
  • FIG. 1 shows a regulating valve 1, which is provided for a hydraulic door closer. This may be various door closers, for example, with a cam eccentric according to DE 103 61 085 A1 or with a rack according to DE 199 01 234 C1 betreibbarsind.
  • the regulating valve 1 has a receptacle 7 for a sealing element. This sealing element can, for. B. be an O-ring.
  • the shaft 2a of the regulating valve 1 has a thread 2, wherein in the thread flanks a plastic layer is present.
  • the material outlet opening 6 and the material guide 5 is attached. Further points FIG. 1 a section plane XX.
  • FIG. 2 shows a full section of the regulating valve 1 along the sectional plane XX of the FIG. 1 ,
  • the regulating valve 1 consists of the main body 3 and a regulating region 4.
  • the regulating region 4 consists essentially of a shaft extension 4c and a projection 4a. Furthermore, pins 4b are shown, which forms the plastic layer on the thread 2 through the material guide 5.
  • FIG. 3 shows a regulating valve 1 from FIG. 1 in perspective view.
  • a head portion 8 is mounted, which is used for the fitter to operate the regulating valve 1 with the appropriate tool.
  • the thread 2 is in FIG. 3 for the sake of simplicity, shown schematically.
  • the free end 11 of the Regulier Schemees 4 is cone-shaped, running tapered.
  • FIG. 4 shows the main body 3 in a perspective view.
  • the thread 2 is shown schematically for the sake of simplicity.
  • the main body 3 has a blind hole 9.
  • the blind hole 9 can z. B. have a rectangular, square or triangular cross-section.
  • material outlet openings 6 and 6a are shown, which protrude continuously into the positive blind hole 9.
  • FIG. 5 shows a door closer 20 in which a regulating valve 1 is screwed.
  • the thread 2 which has the plastic layer, corresponds to the internal thread 25 of the door closer 20.
  • a sealing element 21 is present on the regulating valve 1.
  • the free end 11 of the Regulier Schemees 4 and thus of the regulating valve 1 is located in a conical valve seat 24 of the door closer 20.
  • an inlet channel 22 through which an oil is passed.
  • the free conical end 11 of the Regulier Schemees 4 is not directly on the valve seat 24, so that the oil can flow through the between the valve seat 24 and the free tapered end 11 of the Regulier Schemees 4 forming narrow channel in the direction of a drain channel 23.
  • the flow cross section for the oil can be adjusted, whereby in particular the closing behavior of the door closer 20 can be influenced.
  • the acting on the regulating valve 1 by the flowing oil forces can cause no unwanted rotation of the regulating valve 1 due to the described rotation even in the tolerance range.
  • the regulating valve 1 described above is manufactured in the following manner.
  • the main body 3 is in advance in the form according to FIG. 4 made, that this has a thread 2 on its shaft.
  • the base body 3 is inserted into operating means, preferably an injection molding tool.
  • the regulating region 4 is formed by the injection molding tool.
  • the plastic layer is formed on the thread 2 through the material outlet openings 6 and 6a and the material guide 5.
  • the injection process becomes a plastic material used, which is a polyacetal (POM) in the present embodiment, which is characterized among other things by its good sliding property, good chemical resistance and high abrasion resistance.
  • POM polyacetal
  • the plastic layer on the thread flanks a clamping effect between the thread 2 of the regulating valve 1 and the internal thread 25 of the door closer 20 is achieved, since the clearance between the threads is filled. As a result, a high surface pressure of the interlocking threaded parts is achieved.
  • the regulating valve 1 can be rotated manually at any time and / or unscrewed from the bore of the door closer 20.

Landscapes

  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Lift Valve (AREA)
  • Sliding Valves (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

The invention relates to a regulating valve, which is attachable in particular in a bore, executed with a female thread, of a hydraulic door closer. The regulating valve has a body adjoined by a regulating area. The regulating valve also has a thread provided with an anti-rotation element. The thread, including the anti-rotation element, being screwed into the female thread of the bore. In order to provide a regulating valve of a simple design, in which any unwanted adjustment of the regulating valve during operation is excluded, the anti-rotation element of the regulating valve has a plastic material layer at the thread flanks of the thread. The plastic material layer cooperates with the female thread of the door closer.

Description

Die Erfindung betrifft ein Regulierventil, das in eine mit einem Innengewinde ausgeführte Bohrung eines hydraulischen Türschließers befestigbar ist, mit einem Grundkörper, an den sich ein Regulierbereich anschließt, und einem Gewinde mit Verdrehsicherung, wobei das Gewinde mit der Verdrehsicherung in das Innengewinde der Bohrung eingeschraubt wird.The invention relates to a regulating valve, which can be fastened in an executed with an internal thread bore of a hydraulic door closer, with a base body, followed by a Regulierbereich, and a thread with anti-rotation, wherein the thread is screwed with the anti-rotation in the internal thread of the bore ,

In der DE 102 28 872 B4 ist ein Regulierventil für einen Türschließer offenbart, der aus einem Grundkörper und einem Regulierbereich besteht. Am Grundkörper befindet sich zur Regulierung des Regulierventils ein Gewinde, das in einer Bohrung des Türschließers eindrehbar ist. Der Regulierbereich ist hierbei hülsenartig ausgeführt und über eine Kugelgelenkverbindung mit dem Grundkörper verbunden. Um ein ungewolltes Verdrehen des Regulierventils, insbesondere des Regulierbereiches zu verhindern, ist eine am Regulierbereich angeordnete Verdrehsicherung vorgesehen, die als Ansatz oder Vorsprung ausgebildet ist. Dieser Ansatz ist in einer Nut innerhalb des Gehäuses des Türschließers längsbeweglich geführt. Weitere gattungsgemäße Regulierventile sind aus EP 2 134 914 und DE 202007004104 bekannt.In the DE 102 28 872 B4 discloses a regulating valve for a door closer, which consists of a base body and a Regulierbereich. On the main body is to regulate the regulating a thread that can be screwed into a bore of the door closer. The Regulierbereich this case is designed like a sleeve and connected via a ball joint connection with the body. In order to prevent accidental rotation of the regulating valve, in particular the Regulierbereiches, arranged on the Regulierbereich rotation is provided, which is designed as a projection or projection. This approach is longitudinally movably guided in a groove within the housing of the door closer. Other generic regulating valves are off EP 2 134 914 and DE 202007004104 known.

Es ist Aufgabe der vorliegenden Erfindung das Regulierventil des letztgenannten Dokuments zu verbessern.It is an object of the present invention to improve the regulating valve of the latter document.

Zur Lösung dieser Aufgabe wird ein Regulierventil mit den Merkmalen des Anspruches 1 vorgeschlagen. In den abhängigen Ansprüchen sind bevorzugte Weiterbildungen ausgeführt.To solve this problem, a regulating valve with the features of claim 1 is proposed. In the dependent claims preferred developments are carried out.

Dazu ist erfindungsgemäß vorgesehen, dass die Verdrehsicherung eine Kunststoffschicht an den Gewindeflanken des Regulierventils aufweist, welche mit dem Innengewinde des Türschließers zusammenwirkt. Dadurch wird eine Klemmwirkung erzielt, die ein unbeabsichtigtes Lösen oder Verdrehen des Regulierventils vermeidet.For this purpose, the invention provides that the rotation has a plastic layer on the thread flanks of the regulating valve, which cooperates with the internal thread of the door closer. As a result, a clamping effect is achieved which avoids unintentional loosening or twisting of the regulating valve.

Eine weitere Verbesserung wird dadurch erzielt, dass der Grundkörper ein Gewinde aufweist, an dessen Gewindeflanken eine Kunststoffschicht angeordnet ist. Dadurch ist die Gewindeform am Grundkörper vorgegeben, welche durch ein Verfahren mit der Kunststoffschicht bestückt wird.A further improvement is achieved in that the base body has a thread, on whose thread flanks a plastic layer is arranged. As a result, the thread shape is predetermined on the base body, which is equipped by a method with the plastic layer.

Es hat sich als sinnvoll erachtet, dass das Gewinde am Schaft des Grundkörpers angeordnet ist. Dadurch ist die Herstellung des Gewindes auf einfache Weise realisierbar.It has been found to be useful that the thread is arranged on the shaft of the main body. As a result, the production of the thread can be realized in a simple manner.

Eine weitere Verbesserung ist dadurch vorgesehen, dass der Regulierbereich aus einer Schaftverlängerung mit einem Ende besteht, wobei die Schaftverlängerung über eine Materialführung mit der Kunststoffschicht in den Gewindeflanken des Gewindes am Regulierventil verbunden ist. Somit kann der Regulierbereich in einem einzigen Arbeitsgang hergestellt werden.A further improvement is provided by the fact that the Regulierbereich consists of a shaft extension with one end, wherein the shaft extension is connected via a material guide with the plastic layer in the thread flanks of the thread on the regulating valve. Thus, the regulation area can be made in a single operation.

Erfindungsgemäß weist der Grundkörper eine Sacklochbohrung auf die entlang der Längsachse des Grundkörpers gegenüberliegend dem Kopfbereich angeordnet ist. Dadurch kann der Regulierbereich einstückig kraft- und formschlüssig sowie fluchtend zum Grundkörper hergestellt werden.According to the invention, the base body has a blind hole on which the head area is arranged opposite the longitudinal axis of the base body. As a result, the regulation region can be produced in one piece in a positive and positive fit and in alignment with the main body.

Erfindungsgemäß weist die Sacklochbohrung einen eckigen oder unrunden Querschnitt auf. Dies führt beim Eindrehen des Regulierventils in die Bohrung des Türschließers zu einer zusätzlichen Sicherung gegen Verdrehen.According to the invention, the blind bore has an angular or non-circular cross-section. This results in the insertion of the regulating valve in the bore of the door closer to an additional safeguard against rotation.

Wiederum vorteilhaft ist, dass der Ansatz formschlüssig und verdrehfest in der Sacklochbohrung befestigt ist. Damit ist der Regulierbereich stabilisiert mit dem Grundkörper verbunden.Again, it is advantageous that the approach is positively and rotationally fixed in the blind hole. Thus, the Regulierbereich is stabilized connected to the body.

Es hat sich weiterhin als vorteilhaft erwiesen, dass der Ansatz mindestens einen Zapfen aufweist, der in eine Bohrung des Grundkörpers hineinragt. Hierdurch wird das Kunststoffmaterial zu den Gewindeflanken geleitet und der Ansatz in einer weiteren Weise gegen Verdrehen gesichert.It has also proven to be advantageous that the approach has at least one pin which projects into a bore of the body. As a result, the plastic material is conducted to the thread flanks and secured the approach in a further manner against rotation.

Erfindugsgemäß ist die Kunststoffschicht form- und/oder kraft- und/oder stoffschlüssig am Gewinde angeordnet. Dadurch kann die klemmende Wirkung sehr fein eingestellt werden, da sie direkt in dem korrespondierenden Gewinde und dort in den Gewindeflanken des Türschließers eingreift. Hierdurch wird eine hohe Flächenpressung zwischen den Gewindeflanken des Innengewindes und des Regulierventils erzeugt. Es hat sich gezeigt, dass sich durch eine derartige Anordnung die ineinander greifenden Gewindeteile nicht mehr selbständig verdrehen. Ferner ist ein manuelles und/oder gewolltes Verstellen des Regulierventils selbstverständlich weiterhin möglich. In anderen Worten ausgedrückt kann das Regulierventil jederzeit entsprechend den gewünschten Anforderungen bezogen auf ein definiertes Schließverhalten reguliert werden, wobei die Verdrehsicherung ein selbständiges Verdrehen, insbesondere durch auftretende dynamische Belastungen, wirkungsvoll verhindert.Erfindugsgemäß the plastic layer is positively and / or non-positively and / or cohesively arranged on the thread. As a result, the clamping effect can be very finely adjusted because it engages directly in the corresponding thread and there in the thread flanks of the door closer. As a result, a high surface pressure between the thread flanks of the internal thread and the regulating valve is generated. It has been shown that the interlocking threaded parts no longer rotate independently by such an arrangement. Furthermore, a manual and / or intentional adjustment of the regulating valve is of course still possible. In other words, the regulating valve can be regulated at any time in accordance with the desired requirements with respect to a defined closing behavior, the rotation preventing an independent rotation, in particular by occurring dynamic loads, effectively prevented.

Der Regulierbereich weist ein Ende auf, das dem Grundkörper abgewandt ist und verjüngend, bevorzugt kegelförmig ausgebildet ist. Diese Ausführungsform bietet eine genauere Justierung des Ölflusses, der die Schließgeschwindigkeit des Schließvorgangs ganz wesentlich beeinflusst. Trotz der wirkenden Kräfte, ausgehend vom strömenden Fluid auf das Regulierventil, sorgt die Kunststoffschicht an den Gewindeflanken des Regulierventils dafür, dass sich das Regulierventil am Gewinde nicht ungewollt und selbständig verreguliert.The Regulierbereich has an end which faces away from the base body and is tapered, preferably cone-shaped. This embodiment provides a more accurate adjustment of the oil flow, which significantly affects the closing speed of the closing process. Despite the acting forces, starting from the flowing fluid to the regulating valve, the plastic layer on the thread flanks of the regulating valve ensures that the regulating valve does not unintentionally and independently regulate itself at the thread.

Es hat sich als vorteilhaft erwiesen, dass der Regulierbereich am Grundkörper durch ein Spritzgussverfahren angeordnet wird. Hierdurch wird auf einfache Arbeitsweise der Regulierbereich hergestellt. Beim Spritzgussverfahren kann je nach Anforderungen in Bezug auf das zu verarbeitende Material variiert werden. Der Grundkörper kann aus einem Metall, zum Beispiel Zink, Messing oder Stahl bestehen, wobei der Regulierbereich vorzugsweise aus einem Kunststoffmaterial besteht. Um insbesondere eine hohe Festigkeit zu erzielen, kann der besagte Kunststoff faserverstärkt sein, insbesondere kann der Kunststoff einen bestimmten Anteil an Glasfasern und/oder Kohlenstofffasem und/oder Aramidfasern aufweisen.It has proved to be advantageous that the regulation region is arranged on the main body by an injection molding process. As a result, the Regulierbereich is made on simple operation. In the injection molding process can be varied according to requirements in relation to the material to be processed. The main body can be made of a metal, for example zinc, brass or steel, wherein the Regulierbereich preferably consists of a plastic material. In particular, to achieve a high strength, the said plastic may be fiber-reinforced, in particular For example, the plastic may have a certain proportion of glass fibers and / or carbon fibers and / or aramid fibers.

Eine weitere Möglichkeit besteht darin, dass der Grundkörper und/oder der Regulierbereich aus einem Kunststoffmaterial bestehen, insbesondere der Grundkörper aus einem faserverstärkten Kunststoff besteht. Dadurch wird in einem Arbeitsgang das komplette Regulierventil hergestellt.Another possibility is that the base body and / or the Regulierbereich consist of a plastic material, in particular the main body consists of a fiber-reinforced plastic. As a result, the complete regulating valve is produced in a single operation.

Als ein weiterer Vorteil hat sich herausgestellt, dass der Grundkörper farblich ausgeführt ist. Hierdurch können unterschiedliche Arten von Regulierventilen visuell unterschieden werden.As a further advantage has been found that the body is executed in color. As a result, different types of regulating valves can be distinguished visually.

Vorteilhaft ist, dass der Türschließer einen Zulaufkanal, einen Ablaufkanal und einen kegelförmigen Ventilsitz aufweist, wobei ein Fluid durch den Zulaufkanal entlang des Ventilsitzes zum Ablaufkanal leitbar ist. Das freie Ende des Regulierbereiches ist im Wesentlichen dem Ventilsitz des Türschließers angepasst. In der Regel besteht ein gewisser Abstand zwischen dem Ventilsitz und dem vorzugsweise kegelförmigen Ende des Regulierbereiches, so dass das Fluid vom Zulaufkanal zwischen dem Ventilsitz und dem vorzugsweise kegelförmigen Ende des Regulierbereiches in Richtung des Ablaufkanals strömen kann.It is advantageous that the door closer has an inlet channel, an outlet channel and a conical valve seat, wherein a fluid can be conducted through the inlet channel along the valve seat to the outlet channel. The free end of the Regulierbereiches is substantially adapted to the valve seat of the door closer. As a rule, there is a certain distance between the valve seat and the preferably conical end of the regulating region, so that the fluid can flow from the inlet channel between the valve seat and the preferably conical end of the regulating region in the direction of the outlet channel.

Es zeigen:

Figur 1:
ein erfindungsgemäßes Regulierventil in Draufsicht,
Figur 2:
das erfndungsgemäße Regulierventil aus Figur 1 im Voll- schnitt entlang der Schnittebene X-X,
Figur 3:
das erfindungsgemäße Regulierventil aus Figur 1 in perspek- tivischer Ansicht,
Figur 4:
den Grundkörper des erfindungsgemäßen Regulierventils aus Figur 3,
Figur 5:
einen Türschließer mit eingedrehtem Regulierventil.
Show it:
FIG. 1:
an inventive control valve in plan view,
FIG. 2:
the regulating valve according to the invention from FIG. 1 in full section along the sectional plane XX,
FIG. 3:
the regulating valve according to the invention from FIG. 1 in a perspective view,
FIG. 4:
the main body of the regulating valve according to the invention FIG. 3 .
FIG. 5:
a door closer with screwed regulating valve.

Figur 1 zeigt ein Regulierventil 1, welches für einen hydraulischen Türschließer vorgesehen ist. Hierbei kann es sich um diverse Türschließer handeln, die beispielsweise mit einer Kurvenexzenterscheibe gemäß DE 103 61 085 A1 oder mit einer Zahnstange gemäß DE 199 01 234 C1 betreibbarsind. Das Regulierventil 1 weist eine Aufnahme 7 für ein Dichtelement auf. Dieses Dichtelement kann z. B. ein O-Ring sein. Der Schaft 2a des Regulierventils 1 besitzt ein Gewinde 2, wobei in den Gewindeflanken eine Kunststoffschicht vorhanden ist. Am Regulierventil 1 ist die Materialaustrittsöffnung 6 sowie die Materialführung 5 angebracht. Weiterhin weist Figur 1 eine Schnittebene X-X auf. FIG. 1 shows a regulating valve 1, which is provided for a hydraulic door closer. This may be various door closers, for example, with a cam eccentric according to DE 103 61 085 A1 or with a rack according to DE 199 01 234 C1 betreibbarsind. The regulating valve 1 has a receptacle 7 for a sealing element. This sealing element can, for. B. be an O-ring. The shaft 2a of the regulating valve 1 has a thread 2, wherein in the thread flanks a plastic layer is present. At the regulating valve 1, the material outlet opening 6 and the material guide 5 is attached. Further points FIG. 1 a section plane XX.

Figur 2 zeigt einen Vollschnitt des Regulierventils 1 entlang der Schnittebene X-X aus der Figur 1. Das Regulierventil 1 besteht aus dem Grundkörper 3 sowie einem Regulierbereich 4. Der Regulierbereich 4 besteht im Wesentlichen aus einer Schaftverlängerung 4c und einem Ansatz 4a. Weiterhin sind Zapfen 4b dargestellt, die durch die Materialführung 5 die Kunststoffschicht am Gewinde 2 bildet. FIG. 2 shows a full section of the regulating valve 1 along the sectional plane XX of the FIG. 1 , The regulating valve 1 consists of the main body 3 and a regulating region 4. The regulating region 4 consists essentially of a shaft extension 4c and a projection 4a. Furthermore, pins 4b are shown, which forms the plastic layer on the thread 2 through the material guide 5.

Figur 3 zeigt ein Regulierventil 1 aus Figur 1 in perspektivischer Ansicht. An dem Grundkörper 3 ist ein Kopfbereich 8 angebracht, der für den Monteur zur Bedienung des Regulierventiles 1 mit entsprechendem Werkzeug genutzt wird. Das Gewinde 2 ist in Figur 3 der Einfachheit halber schematisch dargestellt. Das freie Ende 11 des Regulierbereiches 4 ist kegelförmig, sich verjüngend ausgeführt. FIG. 3 shows a regulating valve 1 from FIG. 1 in perspective view. On the main body 3, a head portion 8 is mounted, which is used for the fitter to operate the regulating valve 1 with the appropriate tool. The thread 2 is in FIG. 3 for the sake of simplicity, shown schematically. The free end 11 of the Regulierbereiches 4 is cone-shaped, running tapered.

Figur 4 zeigt den Grundkörper 3 in perspektivischer Ansicht. Hierbei wird das Gewinde 2 der Einfachheit halber schematisch dargestellt. An der dem Kopfbereich 8 gegenüberliegenden Seite des Grundkörpers 3 weist der Grundkörper 3 eine Sacklochbohrung 9 auf. Die Sacklochbohrung 9 kann z. B. einen rechteckigen, viereckigen oder dreieckigen Querschnitt aufweisen. Weiterhin sind Materialaustrittsöffnungen 6 und 6a dargestellt, die durchgängig bis in die formschlüssige Sacklochbohrung 9 ragen. FIG. 4 shows the main body 3 in a perspective view. Here, the thread 2 is shown schematically for the sake of simplicity. At the side of the main body 3 opposite the head region 8, the main body 3 has a blind hole 9. The blind hole 9 can z. B. have a rectangular, square or triangular cross-section. Furthermore, material outlet openings 6 and 6a are shown, which protrude continuously into the positive blind hole 9.

Figur 5 zeigt einen Türschließer 20, in dem ein Regulierventil 1 eingedreht ist. Dabei korrespondiert das Gewinde 2, weiches die Kunststoffschicht besitzt, mit dem Innengewinde 25 des Türschließers 20. An dem Regulierventil 1 ist ein Dichtelement 21 vorhanden. Das freie Ende 11 des Regulierbereiches 4 und somit des Regulierventils 1 befindet sich in einem kegelförmigen Ventilsitz 24 des Türschließers 20. Im Bereich des freien kegelförmigen Endes 11 des Regulierbereiches 4 befindet sich ein Zulaufkanal 22, durch den ein Öl geführt wird. In der Regel liegt das freie kegelförmige Ende 11 des Regulierbereiches 4 nicht unmittelbar am Ventilsitz 24 auf, so dass das Öl durch den zwischen dem Ventilsitz 24 und dem freien kegelförmigen Ende 11 des Regulierbereiches 4 sich bildenden schmalen Kanal in Richtung eines Ablaufkanals 23 strömen kann. Am Regulierventil 1 kann der Strömungsquerschnitt für das Öl eingestellt werden, wodurch insbesondere das Schließverhalten des Türschließers 20 beeinflussbar ist. Die durch das strömende Öl auf das Regulierventil 1 wirkenden Kräfte können aufgrund der beschriebenen Verdrehsicherung auch im Toleranzbereich keine ungewollte Verdrehung des Regulierventils 1 auslösen. FIG. 5 shows a door closer 20 in which a regulating valve 1 is screwed. In this case, the thread 2, which has the plastic layer, corresponds to the internal thread 25 of the door closer 20. A sealing element 21 is present on the regulating valve 1. The free end 11 of the Regulierbereiches 4 and thus of the regulating valve 1 is located in a conical valve seat 24 of the door closer 20. In the region of the free conical end 11 of the Regulierbereiches 4 is an inlet channel 22 through which an oil is passed. In general, the free conical end 11 of the Regulierbereiches 4 is not directly on the valve seat 24, so that the oil can flow through the between the valve seat 24 and the free tapered end 11 of the Regulierbereiches 4 forming narrow channel in the direction of a drain channel 23. At the regulating valve 1, the flow cross section for the oil can be adjusted, whereby in particular the closing behavior of the door closer 20 can be influenced. The acting on the regulating valve 1 by the flowing oil forces can cause no unwanted rotation of the regulating valve 1 due to the described rotation even in the tolerance range.

Das oben beschriebene Regulierventil 1 wird in folgenderweise hergestellt. Der Grundkörper 3 wird im Vorfeld in der Form gemäß Figur 4 hergestellt, dass dieser an seinem Schaft eine Gewinde 2 besitzt. Der Grundkörper 3 wird in Betriebsmitteln, vorzugsweise ein Spritzwerkzeug, eingelegt. In einem Spritzvorgang, bei dem Kunststoffmaterial verarbeitet wird, wird durch das Spritzwerkzeug der Regulierbereich 4 geformt. Hierbei wird durch die Materialaustrittsöffnungen 6 und 6a sowie der Materialführung 5 die Kunststoffschicht an dem Gewinde 2 gebildet. Beim Spritzvorgang wird ein Kunststoffmaterial verwendet, welches im vorliegenden Ausführungsbeispiel ein Polyacetal (POM) ist, das sich unter anderem durch seine gute Gleiteigenschaft, gute Chemikalienfestigkeit und eine hohe Abriebfestigkeit auszeichnet.The regulating valve 1 described above is manufactured in the following manner. The main body 3 is in advance in the form according to FIG. 4 made, that this has a thread 2 on its shaft. The base body 3 is inserted into operating means, preferably an injection molding tool. In an injection process in which plastic material is processed, the regulating region 4 is formed by the injection molding tool. Here, the plastic layer is formed on the thread 2 through the material outlet openings 6 and 6a and the material guide 5. The injection process becomes a plastic material used, which is a polyacetal (POM) in the present embodiment, which is characterized among other things by its good sliding property, good chemical resistance and high abrasion resistance.

Auf die Darstellung der Betriebsmittel wird aus Gründen der Übersichtlichkeit verzichtet.The presentation of the resources is omitted for reasons of clarity.

Durch diesen Vorgang ist der Regulierbereich 4 kraft- und/oder formschlüssig mit dem Grundkörper 2 verbunden, wodurch das Regulierventil 1 gemäß Figur 1 vorliegt.By this process, the Regulierbereich 4 non-positively and / or positively connected to the base body 2, whereby the regulating valve 1 according to FIG. 1 is present.

Durch die Kunststoffschicht an den Gewindeflanken wird eine klemmende Wirkung zwischen dem Gewinde 2 des Regulierventils 1 und dem Innengewinde 25 des Türschließers 20 erzielt, da der Spielraum zwischen den Gewinden ausgefüllt wird. Hierdurch wird eine hohe Flächenpressung der ineinander greifenden Gewindeteile erreicht. Gleichzeitig kann das Regulierventil 1 jederzeit manuell verdreht und/oder aus der Bohrung des Türschließers 20 ausgeschraubt werden.By the plastic layer on the thread flanks a clamping effect between the thread 2 of the regulating valve 1 and the internal thread 25 of the door closer 20 is achieved, since the clearance between the threads is filled. As a result, a high surface pressure of the interlocking threaded parts is achieved. At the same time, the regulating valve 1 can be rotated manually at any time and / or unscrewed from the bore of the door closer 20.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Regulierventilregulating
22
Gewindethread
2a2a
Schaftshaft
33
Grundkörperbody
44
Regulierbereichregulating area
4a4a
Ansatzapproach
4b4b
Zapfenspigot
4c4c
Schaftverlängerungstem extension
55
MaterialführungMedia guide
66
MaterialaustrittsöffnungMaterial outlet opening
6a6a
MaterialaustrittsöffnungMaterial outlet opening
77
Aufnahmeadmission
88th
Kopfbereichhead area
99
SacklochbohrungBlind hole
1111
EndeThe End
2020
Türschließerdoor closers
2121
Dichtelementsealing element
2222
Zulaufkanalinlet channel
2323
Ablaufkanaldrain channel
2424
Ventilsitzvalve seat
2525
Innengewindeinner thread
X-XX X
Schnittebenecutting plane

Claims (11)

  1. A regulating valve (1), which is attachable in a bore, which is executed with a female thread (25), of a hydraulic door closer (20), which valve has a body (3) with a pocket hole bore (9), the body being adjoined by a regulating area (4), and has a thread (2) provided with an anti-rotation means having a plastic material layer, the anti-rotation means by means of the thread (2) being screwed into the female thread (25), wherein the pocket hole bore (9) is disposed along the longitudinal axis of the body (3) opposite the head area (8), characterized in that the plastic material layer is positively disposed at the thread flanks of the thread (2), and in that the pocket hole bore (9) has an angular or non-circular cross-section.
  2. The regulating valve (1) according to claim 1, characterized in that the thread (2) is disposed at a shank (2a) of the body (3).
  3. The regulating valve (1) according to claim 1, characterized in that the regulating area (4) consists of a shank prolongation (4c) with an end (11), the shank prolongation (4c) being connected to the plastic material layer at the thread flanks of the thread (2) via a material guide (5).
  4. The regulating valve (1) according to any of the preceding claims, characterized in that an extension (4a) of the regulating area (4) is positively and torque-proof attached in the pocket bore hole (9).
  5. The regulating valve (1) according to claim 4, characterized in that the extension (4a) has at least one neck (4b), which protrudes into a material exit opening (6) of the body (3).
  6. The regulating valve (1) according to claim 2, characterized in that the plastic material layer is positively and/or non-positively and/or adhesively by material disposed at the thread (2).
  7. The regulating valve (1) according to claim 1, characterized in that the regulating area (4) has an end (11), which is facing away from the body (3) and is configured to be tapered, preferably cone-shaped.
  8. The regulating valve (1) according to any of the preceding claims, characterized in that the regulating area (4) is attached to the body (3) by means of an injection-moulding process.
  9. The regulating valve (1) according to any of the preceding claims, characterized in that the body (3) and/or the regulating area (4) consist/s of a plastic material, in that in particular the body (3) consists of a fibre-reinforced plastic material.
  10. The regulating valve (1) according to any of the preceding claims, characterized in that the execution of the body (3) is coloured.
  11. The regulating valve (1) according to any of the preceding claims, characterized in that the door closer (20) presents a supply channel (22), a drainage channel (23) and a cone-shaped valve seat (24), wherein a fluid may be guided through the supply channel (22) along the valve seat (24) to the drainage channel (23).
EP08759105.3A 2007-06-29 2008-06-09 Control valve Not-in-force EP2162590B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007009174U DE202007009174U1 (en) 2007-06-29 2007-06-29 regulating
PCT/EP2008/004570 WO2009003570A1 (en) 2007-06-29 2008-06-09 Control valve

Publications (3)

Publication Number Publication Date
EP2162590A1 EP2162590A1 (en) 2010-03-17
EP2162590B1 EP2162590B1 (en) 2011-01-12
EP2162590B2 true EP2162590B2 (en) 2016-10-12

Family

ID=38460884

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08759105.3A Not-in-force EP2162590B2 (en) 2007-06-29 2008-06-09 Control valve

Country Status (9)

Country Link
US (1) US8240005B2 (en)
EP (1) EP2162590B2 (en)
JP (1) JP2010531962A (en)
CN (1) CN101688416A (en)
AT (1) ATE495333T1 (en)
DE (2) DE202007009174U1 (en)
ES (1) ES2359120T3 (en)
TW (1) TWM351248U (en)
WO (1) WO2009003570A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007004104U1 (en) * 2007-03-16 2007-05-24 Dorma Gmbh + Co. Kg Regulating valve for hydraulic door closer has anti-rotation lock on body formed by groove on thread and holding elastic element to eliminate play
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
JP2012007638A (en) * 2010-06-23 2012-01-12 Shimadzu Corp Valve and liquid feeding apparatus
DE102010061837B4 (en) * 2010-11-24 2016-02-25 Geze Gmbh Valve for driving a door or a window
DE102014212116A1 (en) * 2014-06-24 2015-12-24 Geze Gmbh regulating
DE102014212065A1 (en) * 2014-06-24 2015-12-24 Geze Gmbh valve assembly
DE102014212110B4 (en) 2014-06-24 2019-07-04 Geze Gmbh regulating
CN107725824A (en) * 2017-11-20 2018-02-23 温州齐力流体设备有限公司 Three-way butterfly valve
CN108661886B (en) * 2018-04-12 2020-01-07 无锡市迈科密精密机械有限公司 Air valve
DE102018210277B4 (en) * 2018-06-25 2021-03-18 Geze Gmbh Valve
EP3916184B1 (en) * 2020-05-27 2024-06-12 dormakaba Deutschland GmbH Door drive with regulator valve
US11732516B2 (en) 2021-07-12 2023-08-22 Schlage Lock Company Llc Door closer adjustment with backout discouragement
JP7473974B2 (en) 2021-11-04 2024-04-24 日本ドアーチエック製造株式会社 Valve locking device and valve

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WO2008113498A1 (en) † 2007-03-16 2008-09-25 Dorma Gmbh + Co. Kg Control valve

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GB2156950B (en) * 1984-04-04 1988-01-13 Newman Tonks Eng Flow control valve and door closer incorporating such a valve
JPH0446470Y2 (en) * 1986-11-10 1992-10-30
US5259090A (en) * 1991-07-31 1993-11-09 Emhart Inc Fluid door closer with means to permit entrapped gases to move
DE9203872U1 (en) 1992-03-23 1992-09-10 Schmid, Paul, Rothrist Door closer with fluid throttle valve with thermostatic throttling to compensate for fluid viscosity changes at fluctuating temperatures
US6073649A (en) * 1998-04-17 2000-06-13 Emerson Electric Co. Adjustable flow limiter
DE10228872B4 (en) 2002-06-27 2004-08-05 Dorma Gmbh + Co. Kg Regulating valve for a door closer or hydraulic swing door operator
FI115786B (en) * 2004-03-10 2005-07-15 Abloy Oy Control valve for regulating pressure medium flow in door closer, includes resilient-material-made collar set around support end of control piece, to form supporting surface that can be placed against door closer body
FI117766B (en) * 2005-02-02 2007-02-15 Abloy Oy door closer
DE202007004104U1 (en) 2007-03-16 2007-05-24 Dorma Gmbh + Co. Kg Regulating valve for hydraulic door closer has anti-rotation lock on body formed by groove on thread and holding elastic element to eliminate play

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4148111A (en) † 1977-11-30 1979-04-10 Reading Door Closer Corp. Temperature compensating hydraulic door closer
EP0919688A2 (en) † 1997-11-27 1999-06-02 Ingersoll-Rand Architectural Hardware Group Limited Improvements in or relating to valves
DE19922916A1 (en) † 1999-01-18 2000-07-20 Geze Gmbh Door closer with drive for closing door casement has spring piston and damping piston mounted rotationally secured relative to stroke cam plate through interaction with drive housing
DE102004039322B3 (en) † 2004-08-12 2006-04-13 Dorma Gmbh + Co. Kg Valve for a door closer or electrohydraulic door drive
WO2008113498A1 (en) † 2007-03-16 2008-09-25 Dorma Gmbh + Co. Kg Control valve

Also Published As

Publication number Publication date
ES2359120T3 (en) 2011-05-18
TWM351248U (en) 2009-02-21
US8240005B2 (en) 2012-08-14
ATE495333T1 (en) 2011-01-15
DE202007009174U1 (en) 2007-08-30
CN101688416A (en) 2010-03-31
JP2010531962A (en) 2010-09-30
DE502008002313D1 (en) 2011-02-24
EP2162590B1 (en) 2011-01-12
EP2162590A1 (en) 2010-03-17
US20100192325A1 (en) 2010-08-05
WO2009003570A1 (en) 2009-01-08

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