EP3637195A1 - Regulierungsvorrichtung für uhrwerk - Google Patents

Regulierungsvorrichtung für uhrwerk Download PDF

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Publication number
EP3637195A1
EP3637195A1 EP19202672.2A EP19202672A EP3637195A1 EP 3637195 A1 EP3637195 A1 EP 3637195A1 EP 19202672 A EP19202672 A EP 19202672A EP 3637195 A1 EP3637195 A1 EP 3637195A1
Authority
EP
European Patent Office
Prior art keywords
blocker
mobile
axis
cylinder
diameter
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.)
Granted
Application number
EP19202672.2A
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English (en)
French (fr)
Other versions
EP3637195B1 (de
Inventor
Fabiano Colpo
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.)
Rolex SA
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Rolex SA
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Publication date
Application filed by Rolex SA filed Critical Rolex SA
Publication of EP3637195A1 publication Critical patent/EP3637195A1/de
Application granted granted Critical
Publication of EP3637195B1 publication Critical patent/EP3637195B1/de
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B18/00—Mechanisms for setting frequency
    • G04B18/04—Adjusting the beat of the pendulum, balance, or the like, e.g. putting into beat
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • G04B17/063—Balance construction
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/06—Free escapements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/06—Free escapements
    • G04B15/08—Lever escapements

Definitions

  • the invention relates to a regulator device for a watch movement.
  • the invention also relates to a clock module comprising such a device.
  • the invention also relates to a watch movement comprising such a device or module.
  • the invention relates to a timepiece comprising such a device or module or movement.
  • the majority of mechanical movements include a regulator including a balance-spring type balance spring and a Swiss lever escapement cooperating with the resonator.
  • the balance-spring constitutes the time base of the movement.
  • a balance-spring type resonator comprises a balance whose diameter is between 7 mm and 12 mm.
  • the object of the invention is to provide a regulator device for clockwork movement making it possible to improve the devices known from the prior art.
  • the invention provides a regulator device whose operation is optimized in terms of reliability, chronometric precision, energy losses, as well as in terms of compactness.
  • a regulator device according to the invention is defined by claim 1.
  • a timepiece module according to the invention is defined by claim 13.
  • a timepiece movement according to the invention is defined by claim 14.
  • a timepiece according to the invention is defined by claim 15.
  • the timepiece is for example a watch, in particular a wristwatch.
  • the timepiece includes a watch movement 300.
  • the watch movement can be a mechanical movement, in particular an automatic movement.
  • the movement can include a watch module 67.
  • the movement 300 or the clock module 67 includes a regulator device 200.
  • the regulator device 200 comprises a resonator 10 and an exhaust 100.
  • the first blocker mobile 20a in particular the first blocker element 2a, comprises a first toothing 21a and the second blocker mobile 20b, in particular the second blocker element 2b, comprises a second toothing 21b. These two teeth are arranged to cooperate and produce the gear of the first and second blocker mobiles.
  • the exhaust mobile 30 can typically comprise a shaft 31, the escape wheel 3 and an escape pinion 32.
  • the escape wheel 3 and / or the escape pinion 32 can be attached to the tree 31 or from material of the tree 31.
  • the first blocker mobile 20a can typically comprise a shaft 21a to which the first blocker element 2a is attached.
  • a dart can possibly be part of this mobile.
  • the second blocker mobile 20b may typically comprise a shaft 21b on which the second blocker element 2b is attached.
  • the first blocker mobile in particular the first blocker element, comprises a fork 23a arranged to cooperate with the balance, in particular arranged to cooperate with a tooth 11a or a pin 11a produced on the balance.
  • the tooth or the ankle could be produced on the first blocker mobile, in particular on the first blocker element, and the fork could be produced on the pendulum.
  • the impulse to the balance-spring is achieved by the intermediary or the cooperation of the first blocker mobile and of the balance, in particular by the cooperation by contact of the fork 23a and the pin 11a.
  • the number of teeth on the escape wheel can be minimized so as to guarantee adequate security for the proper functioning of the exhaust device 100.
  • the number of teeth 3a on the wheel d exhaust 3 is between 2 and 4.
  • the number of teeth 3a of the escape wheel 3 is equal to 3.
  • the minimum value of the diameter D3 of the escape wheel 3 can be determined geometrically.
  • the teeth of the escape wheel are here provided to provide a first torque transmission function of the escape wheel and a second function of blocking the escape wheel.
  • the first torque transmission function of the escape wheel intervenes during the impulse phases of the exhaust device, namely when the escape wheel 3 transmits a torque to the blocker 2 so as to cause and maintain the oscillations. of the resonator 10 by means of the fork 23a of the first blocker mobile 20a cooperating with the pin 11a of the balance wheel 11.
  • a tooth 3a of the escape wheel 3 cooperates with the one or the other of the respective impulse surfaces 23a, 23b of the blocker mobiles 20a, 20b, in particular of the first and second blocker elements.
  • the second locking function of the escape wheel occurs during rest positions of the exhaust device. In such positions, a distal end of a tooth 3a of the escapement wheel bears against a blocking surface 22a, 22b of the mobiles 20a, 20b of the blocker 2.
  • a surface of blocking of the blocker is concave in order to provide security in the event of an impact or kickback the escape wheel.
  • such a blocking surface 22a, 22b of the blocker 2 is formed by two flanks making an angle ⁇ between 120 ° and 170 °.
  • the escape wheel and the first and second blocker mobiles are arranged so that the escape wheel, in particular its teeth, cooperate with the first and second blocker mobiles.
  • the escape wheel and the first and second blocker mobiles are arranged so that the teeth of the escape wheel act by contact on specific surfaces 22a, 22b, 23a, 23b of the first and second blocker mobiles, in particular the first and second blocker elements.
  • the end of a tooth 3a of the escape wheel 3 cooperates with one or the other of the blocking surfaces 22a, 22b respective of the blocker mobiles 20a, 20b, in particular the first and second elements blocker.
  • the end of a tooth 3a of the escape wheel 3 cooperates with one or the other of the pulse surfaces 23a, 23b respective of the blocker mobiles 20a, 20b, in particular of the first and second blocker elements.
  • the surfaces 22a, 22b are preferably in the form of concave surfaces, so as to optimize the precision in the positioning of the first and second blocker mobiles and of the escape wheel of the escape device. rest phase of the exhaust device 100, and this independently of labels limiting the angular travel of the fork 23a.
  • Starlets are therefore not necessary. Furthermore, such an exhaust device has perfectly symmetrical operation, and is not dependent on the adjustment of the penetrations, nor on the positioning of the stars.
  • the sides of the dowel and the fork may each comprise a portion of cylinder whose director is an involute of a circle.
  • Such a conformation makes it possible to reach entirely efficient levels of yield, by minimizing the influence of the angle of lift of the balance wheel on its isochronism performances.
  • the good performance of the exhaust system can thus allow an increase in the angle of lift of the balance. It is thus also possible to reduce the distance between the axis A1 of the balance spring and the axis A2a of the first blocker mobile 2a, and therefore the total diameter D2a of the first blocker mobile 2a.
  • first blocker mobile 20a devoid of sting, due to its operating precision. It is thus still possible to reduce the inertia I2a of the first blocker mobile 20a. This inertia can in particular be minimized by the judicious choice of a low density material, such as silicon for example, to produce the first mobile or the first blocker element, as well as by one or more cutouts 24a made on the board of the first blocker element 2a.
  • a low density material such as silicon for example
  • the total diameter D2b and the inertia I2b of the second blocker mobile 20b may be substantially equal to the head diameter D2b 'of the teeth 21b, with a blocking surface 22b disposed substantially at the level of the diameter D2b'.
  • the inertia I2b of the second blocker mobile 20b can in particular be minimized by the judicious choice of a low density material, such as silicon for example, to produce the second mobile or the second blocker element, as well as by a or several cuts, not shown in the figures, made on the board of the second blocker element 2b.
  • the pitch diameters D2a *, D2b * of the teeth 21a, 21b of the first and second mobiles 20a, 20b are equal in order to minimize the differences in inertia between these two mobiles.
  • the axes A3, A2a, A2b of the exhaust mobile and of the first and second blocker mobile are contained in a cylinder centered on the first axis A1 and of diameter D ', with D' ⁇ D, or even D ' ⁇ 0.9 ⁇ D, or even D ' ⁇ 0.85 ⁇ D.
  • the regulator device is such that D2b ⁇ I2b ⁇ D2a ⁇ I2a.
  • the regulator device is such that D2b ⁇ D2a
  • the regulator device is such that D 5 ⁇ f / I> 20.10 -2 m 3 kg -1 s -1 with f the frequency of the resonator, the frequency preferably being greater than or equal to 4 Hz.
  • the regulator device is such that 7 mm ⁇ D ⁇ 11 mm.
  • Such a condition advantageously makes it possible to minimize the bulk in the plane of the first and second blocker mobiles and the exhaust mobile 30 by confining them under the balance spring (seen along the axis of the balance).
  • This condition is advantageous for movements whose total diameter D * can be between 18 mm and 35 mm, and particularly advantageous for movements of "lady" size whose total diameter D * can be between 18 mm and 22 mm.
  • Such a configuration makes it possible to minimize the thickness of the regulator device, in particular to minimize the thickness of the exhaust device, while using parts 11a, 2a, 2b, 2c which are flat and whose manufacture is facilitated.
  • this intermediate mobile 40 comprises a wheel 4 which can be shaped to transmit a first force during the pulse phases of the exhaust device and a second force during the release phases of the exhaust device, the first force being substantially greater than the second force of the blocker 2.
  • the axis of rotation A4 of the mobile 40 is contained or not within the cylinder C of diameter D '.
  • the module 67 comprises a first blank 6, in particular a bridge 6, and a second blank 7, in particular a bridge 7.
  • first and second blocker mobiles and the exhaust mobile are pivoted between the first blank 6 and a second blank 7.
  • the second blank 7 can, for example, be planar.
  • first and second blanks can of course comprise pivoting means such as bearings, in particular pivoting stones.
  • the three mobiles 20a, 20b, and 30 are pivoted by two blanks 6, 7, and the mobile 40 is pivoted by a gear train 8 at least partially pivoting the gear train of the movement.
  • the first and second blanks 6, 7, and at least the mobiles 20a, 20b, 30 constitute a module 67 which can be attached to a plate 9 of the movement 300 as shown in the Figures 5 and 6 .
  • the mobiles 20a, 20b, 30 can be assembled independently of the other parts of the movement.
  • the module 67 can be assembled, checked, lubricated upstream of the final assembly of the components of the movement.
  • the elements 2a, 2b, 3 are made of a fragile material such as silicon.
  • the figure 4 illustrates such a module integrating the mobiles 20a, 20b, 30, the mobile 40 being pivoted by the gear train 8 shown diagrammatically on the figure 4 .
  • the watch movement 300 includes a plate on which the first and second blocker mobiles and the escapement mobile are pivoted directly. In particular, these different mobiles can be pivoted between the plate and a bridge.
  • the resonator can be of the balance-spring type, that is to say comprising a balance 11 and a balance spring 12.
  • the diameter D can be the diameter of the outer periphery of the pendulum serge. If this serge has protuberances, such as adjustment means for example, the diameter D to be considered will be an equivalent external diameter, obtained by considering a virtual balance wheel with the same inertia I of resonator and with the same section of serge, but without the protrusions on the serge and which generates the same aerodynamic friction.
  • the resonator may alternatively comprise a monolithic structure comprising an inertial element, the oscillations of which are maintained by flexible blades which can act as a pivoting device for the resonator.
  • the diameter D relates to the outside diameter of the inertial element.
  • the diameter D to be considered will be an equivalent external diameter, obtained by considering a virtual inertial element with the same inertia I of resonator and with a geometry of the inertial element similar to that of the reference inertial element (obtained by homothety), but without the protrusions on the outer periphery and which generates the same aerodynamic friction.
  • the escapement can be with indirect impulse, in particular with double indirect impulse, and / or with tangential drive.
  • the exhaust device or even the regulator device, can be produced on a module 67 which can be directly attached to a movement or on a frame to constitute a movement.
  • the solutions described above are advantageous because they use high-performance exhaust devices with a high level of efficiency, while minimizing their impact on the isochronism of the resonator. They allow safe and faultless operation to be achieved under all conditions of use, especially during impacts.
  • the tangential drive exhaust device is advantageous because it requires little energy, friction being minimized, as much as possible, between the escape wheel and the blocker thanks to type transmissions. gear.
  • the intensity of the release force of such an exhaust device can be significantly lower than the intensity of the pulse force of this same exhaust device, which has the advantage of greatly minimizing its impact on the isochronism of the resonator.
  • such an exhaust device comprises a blocker comprising two blocker mobiles kinematically linked together so that if an angular shock acts in one direction on a first mobile, the latter is limited in its movement by the second mobile .
  • a blocker comprising two blocker mobiles kinematically linked together so that if an angular shock acts in one direction on a first mobile, the latter is limited in its movement by the second mobile .
  • inertia of the resonator means the inertia of all of the mobile elements of the resonator.
  • all of the mobile elements include in particular the balance 11, the balance spring 12 and the mobile pivoting means, such as, for example, a balance shaft.
  • inertia of an element is meant the inertia of the element around its axis of rotation in operation.
  • the first inertia I is the inertia of the inertial element 11 around the first axis A1.
  • the second inertia I3 is the inertia of the exhaust mobile 30 around the second axis A3.
  • the third inertia I2a is the inertia of the first blocker mobile 20a around the third axis A2a.
  • the fourth inertia I2b is the inertia of the second blocker mobile 20b around the fourth axis A2b.
  • mobile is preferably meant an assembly pivoted about an axis.
  • the assembly can be in one piece or made up of several parts fixed to each other or in recessed connection.
  • an element inscribed in a cylinder having a diameter D centered on an axis it is meant that the diameter D is the smallest diameter centered on the axis such that the element is included in the cylinder.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Retarders (AREA)
  • Gears, Cams (AREA)
  • Transmission Devices (AREA)
EP19202672.2A 2018-10-12 2019-10-11 Regulierungsvorrichtung für uhrwerk Active EP3637195B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18200041 2018-10-12

Publications (2)

Publication Number Publication Date
EP3637195A1 true EP3637195A1 (de) 2020-04-15
EP3637195B1 EP3637195B1 (de) 2025-03-26

Family

ID=63840663

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EP19202672.2A Active EP3637195B1 (de) 2018-10-12 2019-10-11 Regulierungsvorrichtung für uhrwerk

Country Status (4)

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US (1) US11520293B2 (de)
EP (1) EP3637195B1 (de)
JP (1) JP7485506B2 (de)
CN (1) CN111045312B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4148505A1 (de) 2021-09-08 2023-03-15 Rolex Sa Uhrmodul

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH702313B1 (fr) * 2007-05-14 2011-06-15 Hugues Jolidon Echappement pour instrument horaire.
EP2363763A2 (de) * 2010-03-04 2011-09-07 Montres Breguet SA Uhr mit einem mechanischen Hochfrequenzuhrwerk
EP2551732A1 (de) * 2011-07-29 2013-01-30 Rolex S.A. Unruh mit optimierter Drehbewegung
WO2013182243A1 (fr) 2012-06-07 2013-12-12 Detra Sa Dispositif d'echappement pour piece d'horlogerie
EP2863272A1 (de) * 2013-10-16 2015-04-22 Montres Breguet SA Hemmungsmechanismus für Uhrwerk einer Armbanduhr
WO2017109004A1 (fr) 2015-12-21 2017-06-29 Detra Sa Dispositif d'échappement horloger et procédé de fonctionnement d'un tel dispositif
EP3327515A1 (de) * 2016-11-23 2018-05-30 ETA SA Manufacture Horlogère Suisse Sich drehender resonator mit einer flexiblen führung, der von einer freien ankerhemmung gehalten wird

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
CH347484A (de) * 1955-10-31 1960-06-30 Inotsume Zen Ichi Ankerhemmung
DE10160287A1 (de) * 2001-12-07 2003-06-26 Lange Uhren Gmbh Tourbillon
EP1319997B1 (de) * 2001-12-15 2010-05-26 Richemont International S.A. Konstantkraftvorrichtung
EP2397920A1 (de) * 2010-06-17 2011-12-21 Blancpain S.A. Mechanismus für springendes Tourbillon-Gestell oder Karussell-Gestell
JP5729666B2 (ja) * 2010-09-14 2015-06-03 セイコーインスツル株式会社 時計用デテント脱進機、および機械式時計
JP6143185B2 (ja) * 2013-09-04 2017-06-07 セイコーインスツル株式会社 動作安定機構、ムーブメントおよび機械式時計
JP6618306B2 (ja) 2015-09-16 2019-12-11 セイコーインスツル株式会社 アンクル、調速脱進機、トゥールビヨン、ムーブメント及び時計

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH702313B1 (fr) * 2007-05-14 2011-06-15 Hugues Jolidon Echappement pour instrument horaire.
EP2363763A2 (de) * 2010-03-04 2011-09-07 Montres Breguet SA Uhr mit einem mechanischen Hochfrequenzuhrwerk
EP2551732A1 (de) * 2011-07-29 2013-01-30 Rolex S.A. Unruh mit optimierter Drehbewegung
WO2013182243A1 (fr) 2012-06-07 2013-12-12 Detra Sa Dispositif d'echappement pour piece d'horlogerie
EP2863272A1 (de) * 2013-10-16 2015-04-22 Montres Breguet SA Hemmungsmechanismus für Uhrwerk einer Armbanduhr
WO2017109004A1 (fr) 2015-12-21 2017-06-29 Detra Sa Dispositif d'échappement horloger et procédé de fonctionnement d'un tel dispositif
EP3327515A1 (de) * 2016-11-23 2018-05-30 ETA SA Manufacture Horlogère Suisse Sich drehender resonator mit einer flexiblen führung, der von einer freien ankerhemmung gehalten wird

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PIERRE CHOPARD: "Construction horlogère", 1969, PPUR, article "Influence de la géométrie du balancier sur les performances chronométriques de la montre"

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4148505A1 (de) 2021-09-08 2023-03-15 Rolex Sa Uhrmodul

Also Published As

Publication number Publication date
JP7485506B2 (ja) 2024-05-16
CN111045312B (zh) 2022-11-01
JP2020098191A (ja) 2020-06-25
EP3637195B1 (de) 2025-03-26
CN111045312A (zh) 2020-04-21
US11520293B2 (en) 2022-12-06
US20200117141A1 (en) 2020-04-16

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