EP3650955A1 - Timepiece comprising a device for actuating a valve - Google Patents

Timepiece comprising a device for actuating a valve Download PDF

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Publication number
EP3650955A1
EP3650955A1 EP19201341.5A EP19201341A EP3650955A1 EP 3650955 A1 EP3650955 A1 EP 3650955A1 EP 19201341 A EP19201341 A EP 19201341A EP 3650955 A1 EP3650955 A1 EP 3650955A1
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EP
European Patent Office
Prior art keywords
valve
timepiece according
central axis
housing
follower
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
EP19201341.5A
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German (de)
French (fr)
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EP3650955B1 (en
Inventor
Philippe Loetscher
Gregory Kissling
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Omega SA
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Omega SA
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Publication of EP3650955A1 publication Critical patent/EP3650955A1/en
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    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/18—Graduations on the crystal or glass, on the bezel, or on the rim
    • 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
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits

Definitions

  • the present invention relates to the field of watchmaking. It relates more particularly to a timepiece comprising a device for actuating a valve.
  • the valve In timepieces comprising a valve, in particular mechanical diving watches, the valve is generally arranged so as to be able to be screwed, on or in a threaded tube respectively externally or internally and coaxial with the valve, between a first position, in which the valve is closed, and a second position in which the valve is open.
  • This conventional arrangement has certain drawbacks. Firstly, it is difficult for a user to know whether the valve is in its closed position or in its open position, which can cause an error of assessment and prove to be dangerous. Then it is difficult to secure the closed position.
  • the threaded tube has a certain size which leads in particular to a relatively high build. Finally, actuation of the valve by a small crown forming the external end of the valve is not always easy, in particular if the user is wearing gloves.
  • the object of the present invention is to remedy the aforementioned drawbacks by proposing a timepiece comprising a valve, an element mounted to move in rotation about the central axis of the housing and drive means linking the angular displacement of the movable element in rotation to the translational displacement of the valve.
  • the mobile element is intended to be angularly moved by the user.
  • the mobile element is formed by a rotating ring framing a bezel of the case or by the bezel as such.
  • the mobile element is formed by a rotating ring disposed under a bezel of the case, in particular between the bezel and a middle part of the case, and secured to a projecting portion extending outside the perimeter delimited by a section of the case, without the ring, so as to be graspable by the user.
  • the movable element may include graduations corresponding to the two axial positions of the valve.
  • the drive means are formed by a cam disposed on the movable element defining a guide surface for a follower disposed on the member.
  • the guide surface is arranged so as to move away from the central axis of the housing in order to generate the displacement in translation of the valve between its closed position and its open position, and vice versa.
  • the actuation device comprises a ball pawl making it possible to avoid untimely displacements of the mobile element.
  • valve actuation device is thus perfectly integrated into the design of the housing while being easy to use.
  • the present invention relates to a timepiece of the wristwatch type comprising a device for actuating a valve capable of to move in translation along its longitudinal axis and possibly in rotation around this same axis.
  • a timepiece conventionally comprising a case 1 provided with a middle part 2 and a crown 3 mounted on a tube 4 fixed to the middle part 2.
  • the tube 4 is crossed by the winding stem 5 connected to the crown 3.
  • the crown 3 is mounted movable in translation and in rotation around the axis of the tube 4, or in other words, around its longitudinal axis, which will also be called a radial axis relative to the housing.
  • the timepiece includes an actuating device which allows the crown to move in translation along this axis.
  • the actuating device comprises a movable element 6 mounted on the middle part 2 and the crown 3.
  • the mobile element could also be the telescope as such.
  • the movable element 6 has on its visible face framing the bezel 8 graduations 6a corresponding to the different respective positions that the crown can adopt.
  • the movable element 6 thus comprises 3 indexes numbered 1,2 and 3 corresponding respectively to the winding position, to the date change position and to the time setting position.
  • the fixed mounted bezel 8 has a mark 8a which the user places opposite the desired position by rotation of the ring 6.
  • the mark can be placed on a fixed part of the timepiece, such as on the dial.
  • the amplitude between the three positions is approximately 30 °. It is of course conceivable to extend or reduce this amplitude.
  • the number of positions can be variable and, for example, by 2, 3 or 4.
  • the element 6 is mounted movable in rotation about the central axis 1a of the housing 1, that is to say around an axis perpendicular to the general plane of the housing ( fig. 1B ). It is kinematically linked to the crown.
  • the actuation device is provided with drive means comprising a cam disposed on the movable element and a follower disposed on the crown and intended to cooperate with the cam.
  • the cam is defined by at least one of the two lateral surfaces of a recess 6a formed in the rotating ring 6 ( fig.1D ).
  • the follower is formed by a projecting part 3a formed on the crown 3 ( fig. 1B ).
  • the crown 3 has at its inner end to the housing 1 the projecting part 3a which delimits a recess 3b formed in the body of the crown.
  • This projecting part is present over the entire lateral periphery of the crown and has a section which, in the plane perpendicular to the longitudinal axis of the crown, is circular so that, during the rotation of the crown, the projecting part 3a either at all times engaged in the recess 6a of the ring 6 ( figs.1B and 1 C ).
  • the projecting part 3a over the entire lateral periphery of the crown, which forms a projecting annular part, thus makes it possible to freely rotate the crown around its longitudinal axis through 360 ° for each of the axial positions provided.
  • the projecting annular part 3a engaged in the recess 6a has a substantially rectangular profile at the edge of this recess ( fig.1D ).
  • the recess 6a can comprise several sections a1 with a number corresponding to the number of desired positions. These sections a1 can be separated by transition zones a2 allowing a fluid passage of the projecting part between the different positions ( figs.1D and 6B ).
  • the different sections are arranged so as to move away from the central axis of the case in order to generate an axial displacement of the crown towards the outside of the case from the most sunken position towards the most pulled position. It is also conceivable that the different sections form a single section a1 in an arc off-center relative to the central axis 1a of the housing ( fig. 6A ).
  • the follower 3a is in contact with the two lateral surfaces of the recess 6a via respectively the upper left corner and the lower right corner of the projecting part of the follower.
  • the projecting part 3a can have a thickness substantially equal to that of the width of the recess 6a for each of the sections as shown in 1D figures , 2C and 3C .
  • the sections are thus substantially rectilinear with the perpendicular passing through the center of the section intercepting the central axis of the housing.
  • the two lateral surfaces of the recess move apart to allow the fluid passage of the follower.
  • the cam comprises a first angular section a1 delimited by the circular surfaces C1, C4 centered on the central axis 1a.
  • the follower 3a adopts a first axial position.
  • the follower 3a passes through a transition zone a2 delimited by rectilinear portions D1, D3 where the spacing between these portions is greater than the thickness of the follower.
  • the follower passes through a second angular transition zone a2 delimited by the rectilinear portions D2, D4 before joining the third angular section a1 delimited by the circular surfaces C3, C6 centered on the central axis 1a and determining the third position axial.
  • the straight portions D3 and D4 have a perpendicular to the junction with the circular surfaces C4 and C5 respectively which intercepts the central axis 1a.
  • the actuating device comprises means which make it possible to maintain the mobile element in the desired position without risk of untimely changes.
  • the actuating device can be provided with ball pawls with the balls 9 which are housed in cavities 10 made in the movable element 6.
  • a ball pawl is respectively positioned at 12 o'clock and at 6 o'clock.
  • the crown actuation device is as follows. To the Figures 1A to 1D , the crown 3 is pressed in, which corresponds to the indexed position 1 on the ring 6. In this position, the projecting part 3a is in engagement with the section of the recess 6a which is closest to the axis of the housing. To the Figures 2A to 2C , the ring 6 is rotated by an angle given by the user to position 2. Following this angular displacement of the ring 6, the projecting part 3a of the crown is positioned in the central section of the 'Recess 6a, which is further from the axis of the housing compared to position 1. It follows an axial displacement of the crown towards the outside of the housing.
  • the valve can take two separate axial positions with a closed position and an open position which, as opposed to the closed position, allows the evacuation of the internal gas in the event of overpressure inside the housing.
  • the recess 6a of the movable element 6 comprises two sections a1 separated by a transition zone a2.
  • the two sections are substantially rectilinear and separated by a transition zone also substantially rectilinear.
  • the valve 7 has at its inner end a projecting portion 7a intended to cooperate with the recess 6a of the element 6 movable in rotation.
  • the mobile element 6 forms a ring concealed under the bezel 8 with a protruding portion 6c, which will also be called a gripping zone, extending outside the perimeter defined by a section of the housing 1 in order to allow it to be grasped by the user.
  • this gripping area is textured to facilitate its entry by the user.
  • the movable element is a rotating ring disposed around the bezel or the bezel as such in a similar manner to what has been described above for the winding crown.
  • the axial displacement of the valve 7 generated by the angular displacement of the grip zone 6c makes it possible to release the seal 11 located under the head of the valve 7 at the junction with the tube 4 passing through the middle part 2.
  • an inadvertent change of position can be prevented with, for example, a ball pawl.
  • the timepiece may include locking means which make it possible to block the valve in the closed position.
  • the cam is formed by at least one lateral surface delimiting a projecting part formed on the movable element and that the follower is formed by a recess made in the crown or the valve.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Abstract

La présente invention se rapporte à une pièce d'horlogerie comprenant une soupape (7), montée mobile en translation selon un axe radial entre une première position proche de l'axe central (1a) du boîtier (1) et une deuxième position plus éloignée de cet axe central (1a), et comprenant un dispositif d'actionnement apte à déplacer en translation ladite soupape (7). Ce dispositif d'actionnement comporte :- un élément (6) monté mobile en rotation autour de l'axe central (1a) du boîtier (1) et destiné à être déplacé angulairement par l'utilisateur,- des moyens d'entraînement liant le déplacement angulaire de l'élément mobile en rotation (6) au déplacement en translation de la soupape (7).The present invention relates to a timepiece comprising a valve (7), mounted movable in translation along a radial axis between a first position close to the central axis (1a) of the housing (1) and a second position further away of this central axis (1a), and comprising an actuating device able to move in translation said valve (7). This actuating device comprises: - an element (6) mounted to rotate about the central axis (1a) of the housing (1) and intended to be angularly moved by the user, - drive means connecting the angular displacement of the movable element in rotation (6) in translational displacement of the valve (7).

Description

OBJET DE L'INVENTIONOBJECT OF THE INVENTION

La présente invention se rapporte au domaine de l'horlogerie. Elle concerne plus particulièrement une pièce d'horlogerie comprenant un dispositif d'actionnement d'une soupape.The present invention relates to the field of watchmaking. It relates more particularly to a timepiece comprising a device for actuating a valve.

ARRIÈRE-PLAN TECHNOLOGIQUE ET ÉTAT DE LA TECHNIQUETECHNOLOGICAL BACKGROUND AND STATE OF THE ART

Dans les pièces d'horlogerie comportant une soupape, notamment les montres mécaniques de plongée, la soupape est généralement agencée de manière à pouvoir être vissée, sur ou dans un tube fileté respectivement extérieurement ou intérieurement et coaxial à la soupape, entre une première position, dans laquelle la soupape est fermée, et une deuxième position dans laquelle la soupape est ouverte. Cet agencement classique présente certains inconvénients. Premièrement, il est difficile de savoir pour un utilisateur si la soupape est dans sa position fermée ou dans sa position ouverte, ce qui peut engendrer une erreur d'appréciation et s'avérer dangereux. Ensuite, il est difficile de sécuriser la position fermée. De plus, le tube fileté présente un certain encombrement qui conduit en particulier à une carrure relativement haute. Finalement, l'actionnement de la soupape par une petite couronne formant l'extrémité externe de la soupape n'est pas toujours aisé, en particulier si l'utilisateur porte des gants.In timepieces comprising a valve, in particular mechanical diving watches, the valve is generally arranged so as to be able to be screwed, on or in a threaded tube respectively externally or internally and coaxial with the valve, between a first position, in which the valve is closed, and a second position in which the valve is open. This conventional arrangement has certain drawbacks. Firstly, it is difficult for a user to know whether the valve is in its closed position or in its open position, which can cause an error of assessment and prove to be dangerous. Then it is difficult to secure the closed position. In addition, the threaded tube has a certain size which leads in particular to a relatively high build. Finally, actuation of the valve by a small crown forming the external end of the valve is not always easy, in particular if the user is wearing gloves.

RÉSUMÉ DE L'INVENTIONSUMMARY OF THE INVENTION

La présente invention a pour but de remédier aux inconvénients précités en proposant une pièce d'horlogerie comprenant une soupape, un élément monté mobile en rotation autour de l'axe central du boîtier et des moyens d'entraînement liant le déplacement angulaire de l'élément mobile en rotation au déplacement en translation de la soupape. L'élément mobile est destiné à être déplacé angulairement par l'utilisateur.The object of the present invention is to remedy the aforementioned drawbacks by proposing a timepiece comprising a valve, an element mounted to move in rotation about the central axis of the housing and drive means linking the angular displacement of the movable element in rotation to the translational displacement of the valve. The mobile element is intended to be angularly moved by the user.

Dans des variantes particulières, l'élément mobile est formé par une bague tournante encadrant une lunette du boîtier ou par la lunette en tant que telle. Préférentiellement, l'élément mobile est formé par une bague tournante disposée sous une lunette du boîtier, notamment entre la lunette et une carrure du boîtier, et solidaire d'une portion en saillie s'étendant hors du périmètre délimité par une tranche du boîtier, sans la bague, de manière à être préhensible par l'utilisateur. L'élément mobile peut comporter des graduations correspondant aux deux positions axiales de la soupape.In particular variants, the mobile element is formed by a rotating ring framing a bezel of the case or by the bezel as such. Preferably, the mobile element is formed by a rotating ring disposed under a bezel of the case, in particular between the bezel and a middle part of the case, and secured to a projecting portion extending outside the perimeter delimited by a section of the case, without the ring, so as to be graspable by the user. The movable element may include graduations corresponding to the two axial positions of the valve.

De préférence, les moyens d'entraînement sont formés par une came disposée sur l'élément mobile définissant une surface de guidage pour un suiveur disposé sur l'organe. La surface de guidage est agencée de manière à s'écarter de l'axe central du boîtier afin d'engendrer le déplacement en translation de la soupape entre sa position fermée et sa position ouverte, et vice-versa.Preferably, the drive means are formed by a cam disposed on the movable element defining a guide surface for a follower disposed on the member. The guide surface is arranged so as to move away from the central axis of the housing in order to generate the displacement in translation of the valve between its closed position and its open position, and vice versa.

Avantageusement, le dispositif d'actionnement comporte un cliquet à billes permettant d'éviter des déplacements intempestifs de l'élément mobile.Advantageously, the actuation device comprises a ball pawl making it possible to avoid untimely displacements of the mobile element.

Le dispositif d'actionnement de la soupape selon l'invention est ainsi parfaitement intégré au design du boîtier tout en étant facile d'utilisation.The valve actuation device according to the invention is thus perfectly integrated into the design of the housing while being easy to use.

Les caractéristiques et avantages de la présente invention apparaîtront à la lecture de la description détaillée ci-dessous faisant référence aux figures suivantes.The characteristics and advantages of the present invention will appear on reading the detailed description below referring to the following figures.

BRÈVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

  • La figure 1A représente une vue en plan d'une pièce d'horlogerie munie d'un dispositif d'actionnement positionnant une couronne dans la position enfoncée (position 1). La figure 1B représente une vue en coupe selon l'axe A-A de la figure 1A. Les figures 1C et 1D représentent respectivement des vues en coupe selon les axes G-G et B-B de la figure 1B. Les figures 1E et 1F sont des vues en coupe respectivement selon l'axe H-H de la figure 1A et l'axe I-I de la figure 1E. Ces deux dernières vues montrent le cliquet à billes permettant de maintenir la bague tournante du dispositif d'actionnement dans une position donnée.The figure 1A represents a plan view of a timepiece provided with an actuating device positioning a crown in the pressed down position (position 1). The figure 1B represents a sectional view along the axis AA of the figure 1A . The Figures 1C and 1D respectively represent views in section along the axes GG and BB of the figure 1B . The Figures 1E and 1F are sectional views respectively along the HH axis of the figure 1A and axis II of the figure 1E . These last two views show the ball pawl making it possible to maintain the rotating ring of the actuating device in a given position.
  • Les figures 2A, 2B et 2C représentent respectivement des vues similaires à celles des figures 1A, 1B et 1D pour le dispositif d'actionnement positionnant la couronne dans une position intermédiaire (position 2) plus éloignée de l'axe du boîtier.The Figures 2A, 2B and 2C respectively represent views similar to those of Figures 1A, 1B and 1D for the actuating device positioning the crown in an intermediate position (position 2) further from the axis of the case.
  • Les figures 3A, 3B et 3C représentent respectivement des vues similaires à celles des figures 1A, 1B et 1D pour le dispositif d'actionnement positionnant la couronne dans la position la plus éloignée (position 3) par rapport à l'axe du boîtier.The Figures 3A, 3B and 3C respectively represent views similar to those of Figures 1A, 1B and 1D for the actuating device positioning the crown in the most distant position (position 3) relative to the axis of the case.
  • Les figures 4A à 4D représentent un mode de réalisation de l'invention. La soupape est en position enfoncée, ce qui correspond à la position fermée de la soupape. Les figures 5A, 5B et 5C sont des vues similaires à celles des figures 4A, 4B et 4C pour la soupape en position ouverte.The Figures 4A to 4D represent an embodiment of the invention. The valve is in the depressed position, which corresponds to the closed position of the valve. The Figures 5A, 5B and 5C are views similar to those of Figures 4A, 4B and 4C for the valve in the open position.
  • Les figures 6A et 6B représentent schématiquement deux variantes des moyens d'entraînement avec une came présentant différents profils de la surface de guidage du suiveur. Dans ces vues schématiques, trois positions du suiveur sont représentées, mais deux positions suffisent généralement pour commander une soupape.The Figures 6A and 6B schematically represent two variants of the drive means with a cam having different profiles of the guide surface of the follower. In these schematic views, three positions of the follower are shown, but two positions are generally sufficient to control a valve.
DESCRIPTION DÉTAILLÉE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

La présente invention se rapporte à une pièce d'horlogerie du type montre-bracelet comprenant un dispositif d'actionnement d'une soupape apte à se déplacer en translation selon son axe longitudinal et éventuellement en rotation autour de ce même axe.The present invention relates to a timepiece of the wristwatch type comprising a device for actuating a valve capable of to move in translation along its longitudinal axis and possibly in rotation around this same axis.

Se référant aux figures 1A et 1B, on décrira premièrement une pièce d'horlogerie comportant de manière conventionnelle un boîtier 1 muni d'une carrure 2 et d'une couronne 3 montée sur un tube 4 fixé à la carrure 2. Le tube 4 est traversé par la tige de remontoir 5 connectée à la couronne 3. La couronne 3 est montée mobile en translation et en rotation autour de l'axe du tube 4, ou autrement dit, autour de son axe longitudinal, qu'on qualifiera aussi d'axe radial par rapport au boîtier. La pièce d'horlogerie comporte un dispositif d'actionnement qui permet de déplacer en translation la couronne selon cet axe. A cet effet, le dispositif d'actionnement comporte un élément mobile 6 monté sur la carrure 2 et la couronne 3. Selon la variante présentée aux figures 1A à 3C, il s'agit d'une bague 6 disposée entre la carrure 2, la couronne 3 et la lunette 8 avec une partie formant un anneau sur le pourtour de la lunette 8 de manière à être accessible par un utilisateur (fig.1A). Selon une variante non représentée, l'élément mobile pourrait également être la lunette en tant que telle. L'élément mobile 6 comporte sur sa face visible encadrant la lunette 8 des graduations 6a correspondant aux différentes positions respectives que peut adopter la couronne. Dans l'exemple illustré, l'élément mobile 6 comporte ainsi 3 indices numérotés 1,2 et 3 correspondants respectivement à la position de remontage, à la position de changement de dates et à la position de mise à l'heure. La lunette 8 montée fixe comporte un repère 8a que l'utilisateur place en regard de la position souhaitée par rotation de la bague 6. Dans le cas où l'élément mobile est constitué par la lunette, le repère peut être disposé sur une partie fixe de la pièce d'horlogerie, comme par exemple sur le cadran. Dans l'exemple illustré, l'amplitude entre les trois positions est d'environ 30°. Il est bien sûr envisageable d'allonger ou de réduire cette amplitude. De même, le nombre de positions peut être variable et, par exemple, de 2, 3 ou 4.Referring to Figures 1A and 1B , we will first describe a timepiece conventionally comprising a case 1 provided with a middle part 2 and a crown 3 mounted on a tube 4 fixed to the middle part 2. The tube 4 is crossed by the winding stem 5 connected to the crown 3. The crown 3 is mounted movable in translation and in rotation around the axis of the tube 4, or in other words, around its longitudinal axis, which will also be called a radial axis relative to the housing. The timepiece includes an actuating device which allows the crown to move in translation along this axis. To this end, the actuating device comprises a movable element 6 mounted on the middle part 2 and the crown 3. According to the variant presented to Figures 1A to 3C , it is a ring 6 arranged between the middle part 2, the crown 3 and the bezel 8 with a part forming a ring on the periphery of the bezel 8 so as to be accessible by a user ( fig.1A ). According to a variant not shown, the mobile element could also be the telescope as such. The movable element 6 has on its visible face framing the bezel 8 graduations 6a corresponding to the different respective positions that the crown can adopt. In the example illustrated, the movable element 6 thus comprises 3 indexes numbered 1,2 and 3 corresponding respectively to the winding position, to the date change position and to the time setting position. The fixed mounted bezel 8 has a mark 8a which the user places opposite the desired position by rotation of the ring 6. In the case where the movable element is constituted by the bezel, the mark can be placed on a fixed part of the timepiece, such as on the dial. In the example illustrated, the amplitude between the three positions is approximately 30 °. It is of course conceivable to extend or reduce this amplitude. Similarly, the number of positions can be variable and, for example, by 2, 3 or 4.

L'élément 6 est monté mobile en rotation autour de l'axe central 1a du boîtier 1, c'est-à-dire autour d'un axe perpendiculaire au plan général du boîtier (fig.1B). Il est lié cinématiquement à la couronne. Pour ce faire, le dispositif d'actionnement est muni de moyens d'entraînement comprenant une came disposée sur l'élément mobile et un suiveur disposé sur la couronne et destiné à coopérer avec la came. La came est définie par au moins une des deux surfaces latérales d'un évidement 6a ménagé dans la bague tournante 6 (fig.1D). Le suiveur est formé par une partie en saillie 3a ménagée sur la couronne 3 (fig.1B). Préférentiellement, comme montré à la figure 1B, la couronne 3 comporte à son extrémité intérieure au boîtier 1 la partie en saillie 3a qui délimite une creusure 3b pratiquée dans le corps de la couronne. Cette partie en saillie est présente sur tout le pourtour latéral de la couronne et a une section qui, selon le plan perpendiculaire à l'axe longitudinal de la couronne, est circulaire de manière à ce que, lors de la rotation de la couronne, la partie en saillie 3a soit à tout moment en prise dans l'évidement 6a de la bague 6 (figs.1B et 1C). La présence de la partie en saillie 3a sur tout le pourtour latéral de la couronne, laquelle forme une partie annulaire saillante, permet ainsi de mettre librement en rotation la couronne autour de son axe longitudinal sur 360° pour chacune des positions axiales prévues. Dans une vue en coupe selon un plan parallèle à l'axe longitudinal de la couronne, la partie annulaire saillante 3a en prise dans l'évidement 6a a un profil sensiblement rectangulaire au niveau du bord de cet évidement (fig.1D).The element 6 is mounted movable in rotation about the central axis 1a of the housing 1, that is to say around an axis perpendicular to the general plane of the housing ( fig. 1B ). It is kinematically linked to the crown. To do this, the actuation device is provided with drive means comprising a cam disposed on the movable element and a follower disposed on the crown and intended to cooperate with the cam. The cam is defined by at least one of the two lateral surfaces of a recess 6a formed in the rotating ring 6 ( fig.1D ). The follower is formed by a projecting part 3a formed on the crown 3 ( fig. 1B ). Preferably, as shown in the figure 1B , the crown 3 has at its inner end to the housing 1 the projecting part 3a which delimits a recess 3b formed in the body of the crown. This projecting part is present over the entire lateral periphery of the crown and has a section which, in the plane perpendicular to the longitudinal axis of the crown, is circular so that, during the rotation of the crown, the projecting part 3a either at all times engaged in the recess 6a of the ring 6 ( figs.1B and 1 C ). The presence of the projecting part 3a over the entire lateral periphery of the crown, which forms a projecting annular part, thus makes it possible to freely rotate the crown around its longitudinal axis through 360 ° for each of the axial positions provided. In a sectional view along a plane parallel to the longitudinal axis of the crown, the projecting annular part 3a engaged in the recess 6a has a substantially rectangular profile at the edge of this recess ( fig.1D ).

L'évidement 6a peut comporter plusieurs tronçons a1 avec un nombre correspondant au nombre de positions souhaitées. Ces tronçons a1 peuvent être séparés par des zones de transition a2 permettant un passage fluide de la partie en saillie entre les différentes positions (figs.1D et 6B). Les différents tronçons sont agencés de manière à s'écarter de l'axe central du boîtier afin d'engendrer un déplacement axial de la couronne vers l'extérieur du boîtier depuis la position la plus enfoncée vers la position la plus tirée. Il est également envisageable que les différents tronçons forment un seul tronçon a1 en arc de cercle décentré par rapport à l'axe central 1a du boîtier (fig.6A). On observe pour l'exemple de la figure 6A que le suiveur 3a est en contact avec les deux surfaces latérales de l'évidement 6a via respectivement le coin supérieur gauche et le coin inférieur droit de la partie en saillie du suiveur. En fonction du profil de l'évidement, la partie en saillie 3a peut avoir une épaisseur sensiblement égale à celle de la largeur de l'évidement 6a pour chacun des tronçons comme montré aux figures 1D, 2C et 3C. Dans ces variantes, les tronçons sont ainsi sensiblement rectilignes avec la perpendiculaire passant par le centre du tronçon interceptant l'axe central du boîtier. Préférentiellement, dans les zones de transition, les deux surfaces latérales de l'évidement s'écartent pour permettre le passage fluide du suiveur. Ainsi, se référant à la figure 6B, la came comporte un premier tronçon angulaire a1 délimité par les surfaces circulaires C1, C4 centrées sur l'axe central 1a. Dans ce premier tronçon angulaire, le suiveur 3a adopte une première position axiale. Ensuite, pour passer vers la deuxième position axiale délimitée par les surfaces circulaires C2, C5 centrées sur l'axe central 1a, le suiveur 3a passe par une zone de transition a2 délimitée par des portions rectilignes D1, D3 où l'écartement entre ces portions est supérieur à l'épaisseur du suiveur. Pour finir, le suiveur passe par une deuxième zone de transition angulaire a2 délimitée par les portions rectilignes D2, D4 avant de rejoindre le troisième tronçon angulaire a1 délimité par les surfaces circulaires C3, C6 centrées sur l'axe central 1a et déterminant la troisième position axiale. Avantageusement, les portions rectilignes D3 et D4 ont une perpendiculaire à la jonction avec respectivement les surfaces circulaires C4 et C5 qui intercepte l'axe central 1a.The recess 6a can comprise several sections a1 with a number corresponding to the number of desired positions. These sections a1 can be separated by transition zones a2 allowing a fluid passage of the projecting part between the different positions ( figs.1D and 6B ). The different sections are arranged so as to move away from the central axis of the case in order to generate an axial displacement of the crown towards the outside of the case from the most sunken position towards the most pulled position. It is also conceivable that the different sections form a single section a1 in an arc off-center relative to the central axis 1a of the housing ( fig. 6A ). We observe for the example of the figure 6A that the follower 3a is in contact with the two lateral surfaces of the recess 6a via respectively the upper left corner and the lower right corner of the projecting part of the follower. Depending on the profile of the recess, the projecting part 3a can have a thickness substantially equal to that of the width of the recess 6a for each of the sections as shown in 1D figures , 2C and 3C . In these variants, the sections are thus substantially rectilinear with the perpendicular passing through the center of the section intercepting the central axis of the housing. Preferably, in the transition zones, the two lateral surfaces of the recess move apart to allow the fluid passage of the follower. So, referring to the figure 6B , the cam comprises a first angular section a1 delimited by the circular surfaces C1, C4 centered on the central axis 1a. In this first angular section, the follower 3a adopts a first axial position. Then, to pass to the second axial position delimited by the circular surfaces C2, C5 centered on the central axis 1a, the follower 3a passes through a transition zone a2 delimited by rectilinear portions D1, D3 where the spacing between these portions is greater than the thickness of the follower. Finally, the follower passes through a second angular transition zone a2 delimited by the rectilinear portions D2, D4 before joining the third angular section a1 delimited by the circular surfaces C3, C6 centered on the central axis 1a and determining the third position axial. Advantageously, the straight portions D3 and D4 have a perpendicular to the junction with the circular surfaces C4 and C5 respectively which intercepts the central axis 1a.

Préférentiellement, le dispositif d'actionnement comporte des moyens qui permettent de maintenir l'élément mobile dans la position souhaitée sans risque de changements intempestifs. A cet effet, comme montré aux figures 1E et 1F, le dispositif d'actionnement peut être muni de cliquets à billes avec les billes 9 qui viennent se loger dans des cavités 10 pratiquées dans l'élément mobile 6. Dans l'exemple illustré, un cliquet à billes est respectivement positionné à 12h et à 6h.Preferably, the actuating device comprises means which make it possible to maintain the mobile element in the desired position without risk of untimely changes. To this end, as shown in Figures 1E and 1F , the actuating device can be provided with ball pawls with the balls 9 which are housed in cavities 10 made in the movable element 6. In the example illustrated, a ball pawl is respectively positioned at 12 o'clock and at 6 o'clock.

Le fonctionnement du dispositif d'actionnement de la couronne est le suivant. Aux figures 1A à 1D, la couronne 3 est enfoncée, ce qui correspond à la position indexée 1 sur la bague 6. Dans cette position, la partie en saillie 3a est en prise avec le tronçon de l'évidement 6a qui est le plus proche de l'axe du boîtier. Aux figures 2A à 2C, la bague 6 est mise en rotation d'un angle donné par l'utilisateur jusqu'à la position 2. Suite à ce déplacement angulaire de la bague 6, la partie en saillie 3a de la couronne se positionne dans le tronçon central de l'évidement 6a, qui est plus éloigné de l'axe du boîtier comparativement à la position 1. Il s'ensuit un déplacement axial de la couronne vers l'extérieur du boîtier. Finalement, aux figures 3A à 3C, une rotation supplémentaire de la bague 6 vers la position 3 permet un déplacement plus important de la couronne 3 vers l'extérieur du boîtier via le positionnement du suiveur 3a dans le troisième tronçon de la came formée par l'évidement 6a.The operation of the crown actuation device is as follows. To the Figures 1A to 1D , the crown 3 is pressed in, which corresponds to the indexed position 1 on the ring 6. In this position, the projecting part 3a is in engagement with the section of the recess 6a which is closest to the axis of the housing. To the Figures 2A to 2C , the ring 6 is rotated by an angle given by the user to position 2. Following this angular displacement of the ring 6, the projecting part 3a of the crown is positioned in the central section of the 'Recess 6a, which is further from the axis of the housing compared to position 1. It follows an axial displacement of the crown towards the outside of the housing. Finally, at Figures 3A to 3C , an additional rotation of the ring 6 towards the position 3 allows a greater displacement of the crown 3 towards the outside of the housing via the positioning of the follower 3a in the third section of the cam formed by the recess 6a.

Le dispositif d'actionnement et son fonctionnement ont été décrits pour une couronne mais il peut également être utilisé pour une soupape 7 comme montré aux figures 4A à 5C. Dans ce cas, la soupape peut adopter deux positions axiales distinctes avec une position fermée et une position ouverte qui, par opposition à la position fermée, permet l'évacuation du gaz interne en cas de surpression à l'intérieur du boîtier. A cet effet, l'évidement 6a de l'élément mobile 6 comporte deux tronçons a1 séparés par une zone de transition a2. Dans l'exemple illustré, les deux tronçons sont sensiblement rectilignes et séparés par une zone de transition également sensiblement rectiligne. De manière similaire à la couronne, la soupape 7 comporte à son extrémité intérieure une partie en saille 7a destinée à coopérer avec l'évidement 6a de l'élément 6 mobile en rotation. Dans l'exemple illustré, l'élément mobile 6 forme une bague dissimulée sous la lunette 8 avec une portion en saillie 6c, qu'on qualifiera aussi de zone de préhension, s'étendant hors du périmètre délimité par une tranche du boîtier 1 afin de permettre sa préhension par l'utilisateur. Avantageusement, cette zone de préhension est texturée pour faciliter sa saisie par l'utilisateur. En variante, il est également envisageable que l'élément mobile soit une bague tournante disposée autour de la lunette ou soit la lunette en tant que telle de manière similaire à ce qui a été décrit précédemment pour la couronne de remontoir. Lors du passage de la position fermée aux figures 4A-4D vers la position ouverte des figures 5A-5C, le déplacement axial de la soupape 7 engendré par le déplacement angulaire de la zone de préhension 6c permet de libérer le joint 11 situé sous la tête de la soupape 7 à la jonction avec le tube 4 traversant la carrure 2. Tout comme pour la couronne, un changement intempestif de positions peut être empêché avec, par exemple, un cliquet à billes. En outre, la pièce d'horlogerie peut comporter des moyens de verrouillage qui permettent de bloquer la soupape en position fermée.The actuating device and its operation have been described for a crown but it can also be used for a valve 7 as shown in Figures 4A to 5C . In this case, the valve can take two separate axial positions with a closed position and an open position which, as opposed to the closed position, allows the evacuation of the internal gas in the event of overpressure inside the housing. To this end, the recess 6a of the movable element 6 comprises two sections a1 separated by a transition zone a2. In the example illustrated, the two sections are substantially rectilinear and separated by a transition zone also substantially rectilinear. Similarly to the crown, the valve 7 has at its inner end a projecting portion 7a intended to cooperate with the recess 6a of the element 6 movable in rotation. In the example illustrated, the mobile element 6 forms a ring concealed under the bezel 8 with a protruding portion 6c, which will also be called a gripping zone, extending outside the perimeter defined by a section of the housing 1 in order to allow it to be grasped by the user. Advantageously, this gripping area is textured to facilitate its entry by the user. Alternatively, it is also conceivable that the movable element is a rotating ring disposed around the bezel or the bezel as such in a similar manner to what has been described above for the winding crown. When switching from the closed position to figures 4A-4D towards the open position of figures 5A-5C , the axial displacement of the valve 7 generated by the angular displacement of the grip zone 6c makes it possible to release the seal 11 located under the head of the valve 7 at the junction with the tube 4 passing through the middle part 2. Just as for the crown , an inadvertent change of position can be prevented with, for example, a ball pawl. In addition, the timepiece may include locking means which make it possible to block the valve in the closed position.

On précisera pour finir que, de façon alternative aux variantes présentées sur les figures 1A à 6B, il est envisageable que la came soit formée par au moins une surface latérale délimitant une partie en saillie ménagée sur l'élément mobile et que le suiveur soit formé par un évidement pratiqué dans la couronne ou la soupape.Finally, we will specify that, as an alternative to the variants presented on the Figures 1A to 6B , it is conceivable that the cam is formed by at least one lateral surface delimiting a projecting part formed on the movable element and that the follower is formed by a recess made in the crown or the valve.

LégendeLegend

  1. (1) Boîtier
    1. a. Axe central
    (1) Housing
    1. at. Central axis
  2. (2) Carrure(2) Shoulder
  3. (3) Couronne, aussi appelée organe ou organe de commande
    1. a. Suiveur ou partie en saillie ou partie annulaire saillante
    2. b. Creusure
    (3) Crown, also called organ or control organ
    1. at. Follower or projecting part or projecting annular part
    2. b. Hollow
  4. (4) Tube(4) Tube
  5. (5) Tige(5) Rod
  6. (6) Elément monté mobile en rotation
    1. a. Came ou évidement intérieur
      • a1. Tronçon
      • a2. Zone de transition
      • c1,6. Portion circulaire
      • d1,4. Portion rectiligne
    2. b. Index ou graduation
    3. c. Portion en saillie ou zone de préhension ou excroissance
    (6) Element mounted mobile in rotation
    1. at. Cam or interior recess
      • a1. Section
      • a2. Transition area
      • c1.6. Circular portion
      • d1.4. Straight portion
    2. b. Index or graduation
    3. vs. Projecting portion or grip area or outgrowth
  7. (7) Soupape, aussi appelée organe
    1. a. Suiveur ou partie en saillie
    2. b. Creusure
    (7) Valve, also called organ
    1. at. Follower or protruding part
    2. b. Hollow
  8. (8) Lunette
    1. a. Repère
    (8) Glasses
    1. at. Landmark
  9. (9) Bille du cliquet à bille(9) Ball of the ball pawl
  10. (10) Cavité(10) Cavity
  11. (11) Joint(11) Seal

Claims (16)

Pièce d'horlogerie comprenant : - un boîtier (1) définissant un axe central (1a) perpendiculaire au plan général du boîtier (1), - une soupape (7) montée mobile en translation sur une carrure (2) du boîtier (1) selon un axe radial, perpendiculaire à l'axe central, entre une première position et une deuxième position qui est plus éloignée de l'axe central(1a) du boîtier (1) que la première position, - un dispositif d'actionnement apte à déplacer en translation la soupape (7) le long de l'axe radial, caractérisée en ce que le dispositif d'actionnement comporte : - un élément (6) monté mobile en rotation autour de l'axe central (1a) du boîtier (1), cet élément mobile en rotation (6) étant destiné à être déplacé angulairement par un utilisateur, - des moyens d'entraînement liant le déplacement angulaire de l'élément mobile en rotation au déplacement en translation de la soupape. Timepiece including: - a housing (1) defining a central axis (1a) perpendicular to the general plane of the housing (1), - a valve (7) movably mounted in translation on a middle part (2) of the housing (1) along a radial axis, perpendicular to the central axis, between a first position and a second position which is further from the central axis (1a) of the housing (1) as the first position, an actuating device able to move the valve (7) in translation along the radial axis, characterized in that the actuating device comprises: an element (6) mounted mobile in rotation about the central axis (1a) of the housing (1), this mobile element in rotation (6) being intended to be angularly moved by a user, - Drive means linking the angular displacement of the movable element in rotation to the translational displacement of the valve. Pièce d'horlogerie selon la revendication 1, caractérisée en ce que les moyens d'entraînement comportent une came et un suiveur coopérant avec cette came, la came et le suiveur étant respectivement ménagés sur l'élément mobile en rotation (6) et sur la soupape (7).Timepiece according to claim 1, characterized in that the drive means comprise a cam and a follower cooperating with this cam, the cam and the follower being respectively formed on the movable element in rotation (6) and on the valve (7). Pièce d'horlogerie selon la revendication 2, caractérisée en ce que la came est formée par un évidement (6a) pratiqué au sein de l'élément mobile en rotation (6), ledit évidement étant délimité par au moins une surface latérale de guidage du suiveur ; et en ce que le suiveur est une partie en saillie (7a) ménagée sur la soupape (7).Timepiece according to claim 2, characterized in that the cam is formed by a recess (6a) made within the movable element in rotation (6), said recess being delimited by at least one lateral guide surface of the follower; and in that the follower is a projecting part (7a) formed on the valve (7). Pièce d'horlogerie selon la revendication 3, caractérisée en ce que ladite partie en saillie (7a) est disposée à une extrémité de la soupape (7) qui est intérieure au boîtier (1).Timepiece according to claim 3, characterized in that said projecting part (7a) is disposed at one end of the valve (7) which is inside the housing (1). Pièce d'horlogerie selon la revendication 3 ou 4, caractérisée en ce que ladite partie en saillie (7a) s'étend sur tout le pourtour latéral de la soupape (7) et présente une section circulaire dans un plan perpendiculaire à l'axe radial, de sorte que la soupape peut tourner librement sur elle-même selon cet axe radial dans ladite première position et ladite deuxième position.Timepiece according to claim 3 or 4, characterized in that said projecting part (7a) extends over the entire lateral periphery of the valve (7) and has a circular section in a plane perpendicular to the radial axis , so that the valve can rotate freely on itself along this radial axis in said first position and said second position. Pièce d'horlogerie selon une quelconque des revendications 3 à 5, caractérisée en ce que ladite partie en saillie (7a) délimite une creusure (7b) ménagée dans la soupape (7).Timepiece according to any one of claims 3 to 5, characterized in that said projecting part (7a) delimits a recess (7b) formed in the valve (7). Pièce d'horlogerie selon l'une quelconque des revendications 3 à 6, caractérisée en ce que la surface latérale de guidage s'écarte progressivement de l'axe central (1a) du boîtier (1).Timepiece according to any one of claims 3 to 6, characterized in that the lateral guide surface progressively deviates from the central axis (1a) of the case (1). Pièce d'horlogerie selon la revendication 7, caractérisée en ce que la surface latérale de guidage forme un arc de cercle décentré par rapport à l'axe central (1a).Timepiece according to claim 7, characterized in that the lateral guide surface forms an arc of a circle off-center relative to the central axis (1a). Pièce d'horlogerie selon la revendication 7, caractérisée en ce que la surface latérale de guidage est formée de deux tronçons (a1) correspondant respectivement à ladite première position et à ladite deuxième position, les deux tronçons (a1) étant séparés par une zone de transition (a2) permettant un passage fluide entre lesdites première et deuxième positions.Timepiece according to claim 7, characterized in that the lateral guide surface is formed by two sections (a1) corresponding respectively to said first position and to said second position, the two sections (a1) being separated by a zone of transition (a2) allowing a smooth passage between said first and second positions. Pièce d'horlogerie selon la revendication 9, caractérisée en ce que ladite zone de transition (a2) présente un écartement qui est supérieur à l'épaisseur du suiveur.Timepiece according to claim 9, characterized in that said transition zone (a2) has a spacing which is greater than the thickness of the follower. Pièce d'horlogerie selon la revendication 9 ou 10, caractérisée en ce que les deux tronçons (a1) sont rectilignes avec une perpendiculaire au centre du tronçon (a1) interceptant l'axe central (1a) ou sont circulaires avec un centre disposé sur l'axe central (1a).Timepiece according to claim 9 or 10, characterized in that the two sections (a1) are rectilinear with a perpendicular to the center of the section (a1) intercepting the central axis (1a) or are circular with a center disposed on the 'central axis (1a). Pièce d'horlogerie selon une quelconque des revendications précédentes et dont le boîtier (1) comporte ou supporte une lunette (8), caractérisée en ce que l'élément mobile en rotation (6) est une bague montée entre la carrure (2) et la lunette.Timepiece according to any one of the preceding claims and the case (1) of which includes or supports a bezel (8), characterized in that the element movable in rotation (6) is a ring mounted between the middle part (2) and the glasses. Pièce d'horlogerie selon la revendication 12, caractérisée en ce que la bague comporte une portion formant un anneau sur le pourtour de la lunette (8) qui est agencé de manière à être accessible pour l'utilisateur.Timepiece according to claim 12, characterized in that the ring has a portion forming a ring on the periphery of the bezel (8) which is arranged so as to be accessible to the user. Pièce d'horlogerie selon la revendication 13, caractérisée en ce que ladite portion comporte des indices (6a) indiquant respectivement lesdites première et deuxième positions.Timepiece according to claim 13, characterized in that said portion includes indices (6a) respectively indicating said first and second positions. Pièce d'horlogerie selon la revendication 12, caractérisée en ce que la bague comporte une portion formant une excroissance (6c) s'étendant hors du périmètre délimité par une tranche du boîtier (1) sans la bague, ladite portion étant préhensible par l'utilisateur de manière qu'il puisse déplacer angulairement la bague.Timepiece according to claim 12, characterized in that the ring has a portion forming a protrusion (6c) extending outside the perimeter defined by a section of the housing (1) without the ring, said portion being grippable by the user so that he can move the ring angularly. Pièce d'horlogerie selon une quelconque des revendications précédentes, caractérisée en ce qu'elle comporte des moyens de verrouillage de la soupape (7) dans sa position fermée correspondant à ladite première position.Timepiece according to any one of the preceding claims, characterized in that it comprises means for locking the valve (7) in its closed position corresponding to said first position.
EP19201341.5A 2018-11-09 2019-10-03 Timepiece comprising a device for actuating a valve Active EP3650955B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18205382.7A EP3650952A1 (en) 2018-11-09 2018-11-09 Timepiece comprising a device for actuating a crown or a valve

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Publication Number Publication Date
EP3650955A1 true EP3650955A1 (en) 2020-05-13
EP3650955B1 EP3650955B1 (en) 2022-04-20

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Family Applications (3)

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EP18205382.7A Withdrawn EP3650952A1 (en) 2018-11-09 2018-11-09 Timepiece comprising a device for actuating a crown or a valve
EP19201340.7A Pending EP3663866A1 (en) 2018-11-09 2019-10-03 Timepiece comprising a device for actuating a crown or a valve
EP19201341.5A Active EP3650955B1 (en) 2018-11-09 2019-10-03 Timepiece comprising a device for actuating a valve

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP18205382.7A Withdrawn EP3650952A1 (en) 2018-11-09 2018-11-09 Timepiece comprising a device for actuating a crown or a valve
EP19201340.7A Pending EP3663866A1 (en) 2018-11-09 2019-10-03 Timepiece comprising a device for actuating a crown or a valve

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11217757B2 (en) 2018-03-12 2022-01-04 Universal Display Corporation Host materials for electroluminescent devices

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH316833A (en) * 1955-01-13 1956-10-31 Chevalier Edgar Winder whose crown, at rest, is embedded in the case
EP1582945A2 (en) * 2004-03-31 2005-10-05 Alfred Dunhill Limited Timepiece with push-buttons
US20110235476A1 (en) * 2010-03-26 2011-09-29 Haruki Hiranuma Portable timepiece
JP2015068778A (en) * 2013-09-30 2015-04-13 カシオ計算機株式会社 Moving structure of operating member, and wrist watch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH710727B1 (en) 2015-02-10 2020-03-13 Schillaci Giuseppe Device for actuating a crown of a timepiece and corresponding method, as well as timepiece comprising such a device.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH316833A (en) * 1955-01-13 1956-10-31 Chevalier Edgar Winder whose crown, at rest, is embedded in the case
EP1582945A2 (en) * 2004-03-31 2005-10-05 Alfred Dunhill Limited Timepiece with push-buttons
US20110235476A1 (en) * 2010-03-26 2011-09-29 Haruki Hiranuma Portable timepiece
JP2015068778A (en) * 2013-09-30 2015-04-13 カシオ計算機株式会社 Moving structure of operating member, and wrist watch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11217757B2 (en) 2018-03-12 2022-01-04 Universal Display Corporation Host materials for electroluminescent devices

Also Published As

Publication number Publication date
EP3663866A1 (en) 2020-06-10
EP3650955B1 (en) 2022-04-20
EP3650952A1 (en) 2020-05-13

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