EP3255351B1 - Betätigungsaufsatz sowie verfahren zur demontage eines betätigungsaufsatzes - Google Patents

Betätigungsaufsatz sowie verfahren zur demontage eines betätigungsaufsatzes Download PDF

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Publication number
EP3255351B1
EP3255351B1 EP16173963.6A EP16173963A EP3255351B1 EP 3255351 B1 EP3255351 B1 EP 3255351B1 EP 16173963 A EP16173963 A EP 16173963A EP 3255351 B1 EP3255351 B1 EP 3255351B1
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EP
European Patent Office
Prior art keywords
actuator
section
adapter
valve
attachment
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.)
Active
Application number
EP16173963.6A
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English (en)
French (fr)
Other versions
EP3255351A1 (de
Inventor
Jes Vestervang Jensen
Jørgen Pedersen
Jørn O Jacobsen
Peter H. Alexandersen
René Kanstrup Jørgensen
Andrea Montefusco
Pia Laursen
Alex Holm
Carsten Kristiansen
Morten Bjerg Kofod
Hans Erik Larsen
Bjarne Frederiksen
Franz Søndergaard Schutt
Arne Markvart
Pedersen Jorgen Borsting
Peter Præstholm Poulsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danfoss AS
Original Assignee
Danfoss AS
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Publication date
Application filed by Danfoss AS filed Critical Danfoss AS
Priority to EP16173963.6A priority Critical patent/EP3255351B1/de
Priority to PL16173963T priority patent/PL3255351T3/pl
Priority to DK16173963.6T priority patent/DK3255351T3/en
Publication of EP3255351A1 publication Critical patent/EP3255351A1/de
Application granted granted Critical
Publication of EP3255351B1 publication Critical patent/EP3255351B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
    • F24D19/1018—Radiator valves

Definitions

  • the invention relates to an actuator attachment for actuating a valve, in particular a radiator valve, according to the preamble of claim 1.
  • Actuator attachments are usually attached to an attachment geometry of a valve, for example a radiator valve, to control the flow of a fluid, for example through a radiator. Thereby the amount of heat dispensed by the radiator can be controlled.
  • the attachment geometries of various valve manufacturers and valve types are different which requires the use of a matching connector.
  • the actuator attachment can be brought into a certain rotational position such that for example a setting indicator or a display can be properly seen by a user.
  • An actuator attachment of the above kind is for example known from DE 10 104 897 A1 .
  • the adapter has the shape of a ring comprising a profiled surface and the actuator section comprises a corresponding profiled surface.
  • the actuator section can be freely rotated relative to the adapter in both rotational directions to for example bring the actuator section in a desired rotational position as long as a union nut has not been fully tightened around the actuator section.
  • This solution is however not fully satisfying since the actuator section may be rotated along with the union nut when fixing the actuator attachment to the valve, whereby it becomes difficult to both securely fix the actuator attachment to the valve and keep the actuator section in a desired rotational position.
  • US 4 632 437 discloses an actuator attachment according to the preamble of claim 1 and shows a pipe coupling with an adapter, a coupling sleeve and a gripping ring arranged between the adapter and the coupling sleeve.
  • the coupling sleeve and the adapter may be rotated in unison in one rotational direction. Furthermore, the coupling sleeve and the adapter may be rotated relative to one another in the opposite rotational direction dependent on their relative rotational position to the gripping ring.
  • the task of the present invention is therefore to provide an improved actuator attachment that can be rotationally adjusted and allows a simple and firm mounting and demounting.
  • the above task is solved in an actuator attachment of the kind mentioned at the outset in that the actuator attachment comprises a coupling mechanism that is engagable to unrotatably couple the adapter to the actuator section temporarily in the second rotational direction as well.
  • Unrotatably coupled here means that the adapter and the actuator section can be rotated in unison in the first rotational direction, e.g. around a central axis of the actuator attachment.
  • the actuator section and the adapter can for example be screwed into a connection geometry of a valve or of an intermediate connection section.
  • the actuator section can be rotated relative to the adapter and the valve, whereby one can adjust the rotational position of the actuator section relative to the adapter and the valve.
  • a rotation in the second rotational direction will then not lead to a dismounting of the actuator section and the adapter from the valve.
  • the actuator section comprises a coupling mechanism that is engagable to unrotatably couple the annular adapter to the actuator section temporarily in the second rotational direction as well.
  • a coupling mechanism that is engagable to unrotatably couple the annular adapter to the actuator section temporarily in the second rotational direction as well.
  • the actuator section comprises a first profiled surface and the adapter comprises a second profiled surface, wherein the first and second profiled surfaces form a slip clutch.
  • the profiled surfaces engage one another and the actuator section and the adapter are rotatable in unison.
  • the first profiled surface slips over the second profiled surface such that the actuator section rotates relative to the adapter.
  • the coupling mechanism is engaged the first profiled surface can for example be pressed against the second profiled surface whereby the friction is increased up to a point where rotating the actuator section will also rotate the adapter in the second rotational direction.
  • At least one of the first and second profiled surfaces has a saw tooth-wave-like cross section in the direction around the rotational axis.
  • the individual saw teeth in the first and second profiled surfaces each comprise one flank that is steeper than the other flank. This way one may ensure that the actuator section is unrotatably coupled to the adapter in the first rotational direction but is rotatably coupled in the second rotational direction. However, if the coupling mechanism is engaged one may create sufficient friction such that the first and second profiled surfaces cannot slip over one another and the actuator section and the adapter are also unrotatably coupled in the second rotational direction.
  • the coupling mechanism comprises an engagement surface of the actuator section that is manually engageable to temporarily unrotatably couple the adapter to the actuator section in the second rotational direction.
  • the coupling mechanism comprises a coupling section that is flexible in a direction parallel to a rotational axis of the actuator section and the adapter.
  • the coupling section is arranged in the actuator section.
  • the first structured surface is limited to the coupling section in a circumferential direction around the rotational axis. This limits the friction between the actuator section and the adapter when the coupling mechanism is not engaged.
  • the coupling section may elastically deform whereby the actuator section can be rotated relative to the adapter in the second rotational direction.
  • the coupling section is blockable from a displacement parallel to the rotational axis by engaging the coupling mechanism. By engaging the coupling mechanism one may then increase the friction between the actuator section and the adapter whereby one may rotate the actuator section and the adapter in unison in the second rotational direction for example to unmount the actuator attachment from the valve.
  • the actuator attachment comprises a first connection geometry for connecting the actuator attachment to a valve, wherein the first connection geometry is disconnectable from the valve by engaging the coupling mechanism while rotating the actuator section in the second rotational direction.
  • the actuator attachment comprises a connection section that is connectable to a valve, wherein the adapter is arranged between the connection section and the actuator section.
  • the connection section may be mounted to the valve first and afterwards the adapter as well as the actuator section may be mounted to the connection section.
  • the actuator attachment comprises a second connection geometry, that is arranged in the connection section whereby the connection section is connectable to a valve, wherein the first connection geometry is arranged in the adapter whereby the adapter and the actuator section are connectable to the connection section.
  • the first connection geometry then connects the adapter to the connection section and the second connection geometry allows to connect the connection section and thereby the whole actuator attachment to the valve.
  • the actuator section and the adapter are first demounted from the connection section and afterwards the connection section is demounted from the valve.
  • the adapter and the actuator section can be rotated in the second rotational direction and demounted from the connection section and the valve. Afterwards the connection section is easier to access and can be demounted from the valve.
  • Fig. 1 to 6 show the same embodiment of an actuator attachment 1 comprising an actuator section 2 as well as an adapter 3.
  • the actuator attachment 1 furthermore comprises a connection section 4 through which the actuator attachment 1 may be connected to a valve.
  • the actuator attachment may be connected to a valve directly through the adapter 3.
  • the connection section 4 may be an integral part of the adapter 3.
  • the adapter 3 is arranged between the connection section 4 and the actuator section 2.
  • the actuator section 2 comprises an actuating drive 5 for actuating a pin or a stem of a valve (not shown) onto which the actuator attachment 1 is mounted.
  • the actuator section 2 can be rotated in unison with the adapter 3 in a first rotational direction around a central axis of the actuator attachment 1. In this first rotational direction the actuator section 2 and the adapter 3 are therefore unrotatably coupleable in a plurality of discreet relative rotational positions.
  • the actuator section 2 is rotatably coupled to the adapter 3 in the opposite, second rotational direction around the central axis.
  • the actuator section 2 and the adapter 3 can be unrotatably coupled when the actuator section is rotated in a clockwise direction and the actuator section 2 can be rotatably coupled to the adapter 3 when the actuator section 2 is rotated in an counter-clockwise direction (or vice versa).
  • Rotating the actuator section 2 in the first rotational direction may then be used to connect the actuator section 2 and the adapter 3 to the valve or in case a connection section 4 is used to the connection section 4.
  • a connection section 4 is used to the connection section 4.
  • the actuator attachment 1 may be directly connectable to a valve via the adapter 3 or the actuator attachment 1 may be connectable via the connection section 4 if present as a separate part from the adapter 3.
  • the actuator attachment 1 comprises a coupling mechanism 6.
  • the coupling mechanism 6 can be engaged to unrotatably couple the adapter 3 to the actuator section 2 temporarily while the actuator section 2 is rotated in the second rotational direction to unmount the actuator attachment 1.
  • the coupling mechanism 6 comprises an engagement surface 7 located on an outer surface of the actuator section 2. By engaging the engagement surface 7 a section of the actuator section is elastically deformed inwards to block a coupling section 8 of the actuator section 2.
  • the coupling section 8 is located in the direct vicinity of the adapter 3.
  • the coupling section 8 is flexible in a direction parallel to the rotational axis of the actuator section 2 and the adapter 3, in this case the vertical direction as shown in the orientation of fig. 1 and 2 .
  • Fig. 3 shows a cut view through the coupling mechanism 6 such that the coupling section 8 becomes visible.
  • the actuator section 2 comprises a first profiled surface 9 and the adapter 3 comprises a second profiled surface 10.
  • the coupling section 8 furthermore comprises a blocking protrusion 11 at which the coupling section 8 is engaged when the engagement surface 7 is pressed inwardly as shown in fig. 2 .
  • the coupling section 8 can elastically deform upwards such that the first profiled surface 9 can slip over the second profiled surface 10 when the actuator section 2 is rotated in the second rotational direction, in the given embodiment in the counter clockwise direction.
  • the first profiled surface 9 and the second profiled surface 10 thus form a slip clutch between the actuator section 2 and the adapter 3.
  • Fig. 4 shows a bottom view of the actuator section 2 without the adapter 3 and the connection section 4.
  • the first profiled surface 9 only comprises a limited number of teeth. All teeth of the first profiled surface 9 are in this embodiment arranged in the coupling section 8.
  • Fig. 5 shows the adapter 3 in more detail.
  • the second profiled surface 10 is arranged circumferentially on the top surface of the adapter 3.
  • the adapter 3 here has the shape of a ring with a gap 12 to improve the flexibility of the adapter 3.
  • the adapter 3 comprises two extensions 13 onto which the second profiled surface 10 also extends.
  • the first profiled surface 9 as well as the second profiled surface 10 have a saw tooth-wave-like cross section in the direction around the rotational axis.
  • Individual teeth of the first and second profiled surfaces 9, 10 each have one flank that is steeper than the other flank whereby the first profiled surface 9 may slide over the second profiled surface 10 when the coupling mechanism 6 is not engaged and the actuator section 2 is rotated in the second rotational direction. If the actuator section 2 is however rotated in the first rotational direction the adapter 3 and the actuator section 2 will be rotated in unison because the steeper flanks of the teeth engage one another.
  • the actuator attachment 1 comprises a first connection geometry 14 for connecting the actuator attachment 1 to a valve.
  • the first connection geometry 14 is disconnectable from the valve by engaging the coupling mechanism 6 while rotating the actuator section 2 in the second rotational direction.
  • the first connection geometry 14 allows to disconnect the actuator section 2 and the adapter 3 from the connection section 4.
  • the first connection geometry 14 may also be used to directly connect the actuator section 2 and the adapter 3 to the valve without an intermediate connection section 4 being involved.
  • connection section 4 is thereby connectable to a valve, wherein the first connection geometry 14 is arranged in the adapter 3 whereby the adapter 3 and the actuator section 2 are connectable to the connection section 4.
  • connection section 4 To unmount the actuator attachment 1 one may engage the coupling mechanism 6 while rotating the actuator section 2 and the adapter 3 in the second rotational direction relative to the valve until the actuator section 2 and the adapter 3 can be removed from the valve. In case no separate connection section 4 is used the complete actuator attachment 1 is thereby unmounted from the valve. In case a connection section 4 separate from the adapter 3 is part of the actuator attachment 1 the connection section 4 needs to be unmounted from the valve after the actuator section 2 and the adapter 3 have been removed from the valve by the above described method.
  • the present invention therefore provides an actuator attachment 1 which allows to change the rotational position of an actuator attachment already installed on a valve. At the same time the actuator attachment allows a secure and firm connection to a valve while not requiring any tool or other complicated means for demounting the actuator attachment.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanically-Actuated Valves (AREA)

Claims (12)

  1. Aktuatorbefestigung (1) zur Betätigung eines Ventils, insbesondere eines Heizkörperventils, aufweisend einen Aktuatorabschnitt (2) sowie einen Adapter (3), wobei der Adapter (3) nicht drehbar mit dem Aktuatorabschnitt (2) in einer Vielzahl von diskreten, relativen Drehpositionen verbindbar ist, wobei der Adapter (3) nicht drehbar mit dem Aktuatorabschnitt (2) verbunden wird, wenn der Aktuatorabschnitt (2) in einer ersten Drehrichtung gedreht wird, und in einer entgegengesetzten zweiten Drehrichtung drehbar verbunden wird,
    dadurch gekennzeichnet, dass die Aktuatorbefestigung (1) einen Verbindungsmechanismus (6) aufweist, weicher in Eingriff bringbar ist, um den Adapter (3) mit dem Aktuatorabschnitt (2) vorübergehend auch in der zweiten Drehrichtung nicht drehbar zu verbinden.
  2. Aktuatorbefestigung (1) nach Anspruch 1, dadurch gekennzeichnet, dass der Aktuatorabschnitt (2) eine erste profilierte Oberfläche (9) aufweist und der Adapter (3) eine zweite profilierte Oberfläche (10) aufweist, wobei die erste und zweite profilierte Oberfläche (9, 10) eine Rutschkupplung bilden.
  3. Aktuatorbefestigung (1) nach Anspruch 2, dadurch gekennzeichnet, dass mindestens eine der ersten und zweiten profilierten Oberfläche (9, 10) einen sägezahnwellenförmigen Querschnitt in der Richtung um die Drehachse herum aufweist.
  4. Aktuatorbefestigung (1) nach Anspruch 3, dadurch gekennzeichnet, dass der einzelne Sägezahn auf den profilierten Oberflächen (9, 10) jeweils eine Flanke aufweist, welche steiler als die andere Flanke ist.
  5. Aktuatorbefestigung (1) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Verbindungsmechanismus (6) eine Eingriffsfläche (7) des Aktuatorabschnitts (2) aufweist, welche manuell in Eingriff bringbar ist, um den Adapter (3) mit dem Aktuatorabschnitt (2) in der zweiten Drehrichtung vorübergehend nicht drehbar zu verbinden.
  6. Aktuatorbefestigung (1) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Verbindungsmechanismus (6) einen Verbindungsabschnitt (8) aufweist, welcher in einer Richtung parallel zu der Drehachse des Aktuatorabschnitts (2) und des Adapters (3) biegsam ist.
  7. Aktuatorbefestigung (1) nach Anspruch 6, dadurch gekennzeichnet, dass der Verbindungsabschnitt (8) durch in Eingriff bringen des Verbindungsmechanismus (6) von einer Verlagerung parallel zu der Drehachse abhaltbar ist.
  8. Aktuatorbefestigung (1) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Aktuatorbefestigung (1) eine erste Anschlussgeometrie (14) zum Anschließen der Aktuatorbefestigung (1) an ein Ventil aufweist, wobei die erste Anschlussgeometrie (14) von einem Ventil trennbar ist, indem der Verbindungsmechanismus (6) in Eingriff gebracht wird, während der Aktuatorabschnitt (2) in der zweiten Drehrichtung gedreht wird.
  9. Aktuatorbefestigung (1) nach einem der Ansprüche 1 bis 8, aufweisend einen Anschlussabschnitt (4), welcher an ein Ventil anschließbar ist, wobei der Adapter (3) zwischen dem Anschlussabschnitt (4) und dem Aktuatorabschnitt (2) angeordnet ist.
  10. Aktuatorbefestigung nach Anspruch 9, dadurch gekennzeichnet, dass die Aktuatorbefestigung (1) eine zweite Anschlussgeometrie (15) aufweist, welche in dem Anschlussabschnitt (4) angeordnet ist, wodurch der Anschlussabschnitt (4) an ein Ventil anschließbar ist, wobei die erste Anschlussgeometrie (14) in dem Adapter (3) angeordnet ist, wodurch der Adapter (3) und der Aktuatorabschnitt (2) an den Anschlussabschnitt (4) anschließbar sind.
  11. Verfahren zum Abbauen einer Aktuatorbefestigung (1) nach einem der Ansprüche 1 bis 10 von einem Ventil, aufweisend die Schritte:
    - in Eingriff bringen des Verbindungsmechanismus (6),
    - Drehen des Aktuatorabschnitts (2) und des Adapters (3) in die zweite Drehrichtung in Bezug zu dem Ventil bis der Aktuatorabschnitt (2) und der Adapter (3) von dem Ventil abgenommen werden können.
  12. Verfahren nach Anspruch 11, wobei der Aktuatorabschnitt (2) und der Adapter (3) zuerst von dem Anschlussabschnitt (4) abgebaut werden und anschließend der Anschlussabschnitt (4) von dem Ventil abgebaut wird.
EP16173963.6A 2016-06-10 2016-06-10 Betätigungsaufsatz sowie verfahren zur demontage eines betätigungsaufsatzes Active EP3255351B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP16173963.6A EP3255351B1 (de) 2016-06-10 2016-06-10 Betätigungsaufsatz sowie verfahren zur demontage eines betätigungsaufsatzes
PL16173963T PL3255351T3 (pl) 2016-06-10 2016-06-10 Mocowanie urządzenia uruchamiającego i sposób demontowania mocowania urządzenia uruchamiającego
DK16173963.6T DK3255351T3 (en) 2016-06-10 2016-06-10 Actuator device and method of removing an actuator device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16173963.6A EP3255351B1 (de) 2016-06-10 2016-06-10 Betätigungsaufsatz sowie verfahren zur demontage eines betätigungsaufsatzes

Publications (2)

Publication Number Publication Date
EP3255351A1 EP3255351A1 (de) 2017-12-13
EP3255351B1 true EP3255351B1 (de) 2018-08-01

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ID=56411376

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EP16173963.6A Active EP3255351B1 (de) 2016-06-10 2016-06-10 Betätigungsaufsatz sowie verfahren zur demontage eines betätigungsaufsatzes

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EP (1) EP3255351B1 (de)
DK (1) DK3255351T3 (de)
PL (1) PL3255351T3 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1063992A (en) * 1976-11-25 1979-10-09 Heinz W. Braukmann Concealed thermostatic valve control
GB8508757D0 (en) * 1985-04-03 1985-05-09 Robson A R Pipe couplings
DE4038141C1 (de) * 1990-11-30 1992-05-27 Danfoss A/S, Nordborg, Dk
US6471255B1 (en) * 2000-03-13 2002-10-29 Richard L. Ulrich Anti-rotation arrangement for a detection device assembly

Also Published As

Publication number Publication date
PL3255351T3 (pl) 2019-02-28
DK3255351T3 (en) 2018-11-19
EP3255351A1 (de) 2017-12-13

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