EP3255351B1 - Fixation d'actionneur et procédé de démontage d'une telle fixation - Google Patents

Fixation d'actionneur et procédé de démontage d'une telle fixation 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
Authority
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
Other languages
German (de)
English (en)
Other versions
EP3255351A1 (fr
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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Application filed by Danfoss AS filed Critical Danfoss AS
Priority to PL16173963T priority Critical patent/PL3255351T3/pl
Priority to DK16173963.6T priority patent/DK3255351T3/en
Priority to EP16173963.6A priority patent/EP3255351B1/fr
Publication of EP3255351A1 publication Critical patent/EP3255351A1/fr
Application granted granted Critical
Publication of EP3255351B1 publication Critical patent/EP3255351B1/fr
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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. Accessoire d'actionnement (1) servant à actionner une valve, en particulier une valve de radiateur, comprenant une section d'actionnement (2) ainsi qu'un adaptateur (3), l'adaptateur (3) pouvant être accouplé de manière non rotative avec la section d'actionnement (2) dans une pluralité de positions de rotation relatives distinctes, l'adaptateur (3) étant accouplé de manière non rotative avec la section d'actionnement (2) lorsque la section d'actionnement (2) est tournée dans une première direction de rotation et étant accouplé de manière rotative dans une seconde direction de rotation opposée, caractérisé en ce que l'accessoire d'actionnement (1) comprend un mécanisme d'accouplement (6) qui peut être mis en prise afin d'accoupler temporairement l'adaptateur (3) avec la section d'actionnement (2) de manière non rotative également dans la seconde direction de rotation.
  2. Accessoire d'actionnement (1) selon la revendication 1, caractérisé en ce que la section d'actionnement (2) comprend une première surface profilée (9) et l'adaptateur (3) comprend une seconde surface profilée (10), les première et seconde surfaces profilées (9, 10) formant un limiteur de couple.
  3. Accessoire d'actionnement (1) selon la revendication 2, caractérisé en ce qu'au moins une des première et seconde surfaces profilées (9, 10) présente une section transversale ondulée en dents de scie dans la direction autour de l'axe de rotation.
  4. Accessoire d'actionnement (1) selon la revendication 3, caractérisé en ce que les dents de scie individuelles dans les surfaces profilées (9, 10) comprennent chacune un flanc qui est plus raide que l'autre flanc.
  5. Accessoire d'actionnement (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le mécanisme d'accouplement (6) comprend une surface de mise en prise (7) de la section d'actionnement (2) qui peut être mise en prise manuellement afin d'accoupler temporairement de manière non rotative l'adaptateur (3) avec la section d'actionnement (2) dans la seconde direction de rotation.
  6. Accessoire d'actionnement (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le mécanisme d'accouplement (6) comprend une section d'accouplement (8) qui est souple dans une direction parallèle à l'axe de rotation de la section d'actionnement (2) et de l'adaptateur (3).
  7. Accessoire d'actionnement (1) selon la revendication 6, caractérisé en ce que la section d'accouplement (8) peut être bloquée contre un déplacement parallèle à l'axe de rotation par mise en prise du mécanisme d'accouplement (6).
  8. Accessoire d'actionnement (1) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'accessoire d'actionnement (1) comprend une première géométrie de raccordement (14) pour le raccordement de l'accessoire d'actionnement (1) à une valve, la première géométrie de raccordement (14) pouvant être séparée d'une valve par mise en prise du mécanisme d'accouplement (6) avec rotation simultanée de la section d'actionnement (2) dans la seconde direction de rotation.
  9. Accessoire d'actionnement (1) selon l'une quelconque des revendications 1 à 8, comprenant une section de raccordement (4) qui peut être raccordée à une valve, l'adaptateur (3) étant disposé entre la section de raccordement (4) et la section d'actionnement (2).
  10. Accessoire d'actionnement (1) selon 1a. revendication 9, caractérisé en ce que l'accessoire d'actionnement (1) comprend une seconde géométrie de raccordement (15) qui est disposée dans la section de raccordement (4), la section de raccordement (4) pouvant ainsi être raccordée à une valve, la première géométrie de raccordement (14) étant disposée dans l'adaptateur (3), l'adaptateur (3) et la section d'actionnement (2) pouvant ainsi être raccordés à la section de raccordement (4) .
  11. Procédé de dépose d'un accessoire d'actionnement (1) selon l'une quelconque des revendications 1 à 10 vis-à-vis d'une valve, comprenant les étapes suivantes :
    - mettre le mécanisme d'accouplement (6) en prise,
    - tourner la section d'actionnement (2) et l'adaptateur (3) dans la seconde direction de rotation par rapport à la valve jusqu'à ce que la section d'actionnement (2) et l'adaptateur (3) puissent être ôtés de la valve.
  12. Procédé selon la revendication 11, dans lequel la section d'actionnement (2) et l'adaptateur (3) sont tout d'abord déposés vis-à-vis de la section de raccordement (4) et, ensuite, la section de raccordement (4) est déposée vis-à-vis de la valve.
EP16173963.6A 2016-06-10 2016-06-10 Fixation d'actionneur et procédé de démontage d'une telle fixation Active EP3255351B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
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
EP16173963.6A EP3255351B1 (fr) 2016-06-10 2016-06-10 Fixation d'actionneur et procédé de démontage d'une telle fixation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16173963.6A EP3255351B1 (fr) 2016-06-10 2016-06-10 Fixation d'actionneur et procédé de démontage d'une telle fixation

Publications (2)

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

Family

ID=56411376

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16173963.6A Active EP3255351B1 (fr) 2016-06-10 2016-06-10 Fixation d'actionneur et procédé de démontage d'une telle fixation

Country Status (3)

Country Link
EP (1) EP3255351B1 (fr)
DK (1) DK3255351T3 (fr)
PL (1) PL3255351T3 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1063992A (fr) * 1976-11-25 1979-10-09 Heinz W. Braukmann Regulateur thermostatique dissimulee
GB8508757D0 (en) * 1985-04-03 1985-05-09 Robson A R Pipe couplings
DE4038141C1 (fr) * 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 (fr) 2017-12-13

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