WO2012163105A1 - Mécanisme à tourbillon biaxial pour montre mécanique - Google Patents

Mécanisme à tourbillon biaxial pour montre mécanique Download PDF

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Publication number
WO2012163105A1
WO2012163105A1 PCT/CN2012/071104 CN2012071104W WO2012163105A1 WO 2012163105 A1 WO2012163105 A1 WO 2012163105A1 CN 2012071104 W CN2012071104 W CN 2012071104W WO 2012163105 A1 WO2012163105 A1 WO 2012163105A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
bracket
shaft
axis
tourbillon
Prior art date
Application number
PCT/CN2012/071104
Other languages
English (en)
Chinese (zh)
Inventor
曹维峰
辛浩
苏立娟
王慧莹
Original Assignee
天津海鸥表业集团有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 天津海鸥表业集团有限公司 filed Critical 天津海鸥表业集团有限公司
Priority to DE112012000574.0T priority Critical patent/DE112012000574B4/de
Priority to SG2013063953A priority patent/SG192923A1/en
Priority to CH01967/13A priority patent/CH706694B1/de
Publication of WO2012163105A1 publication Critical patent/WO2012163105A1/fr

Links

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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of imbalance of the weights, e.g. tourbillon
    • G04B17/285—Tourbillons or carrousels

Definitions

  • the present invention relates to a tourbillon mechanism for a mechanical wristwatch, and more particularly to a two-axis tourbillon mechanism for a mechanical wristwatch.
  • the tourbillon in a mechanical watch is a device that reduces the isochronism error.
  • the device is characterized in that the balance spring system and the escapement are placed in the frame, and can rotate with the frame while running. Limiting the position error caused by the gravity of the earth to improve the travel time accuracy, wherein the axis of the balance spring system coincides with the rotation axis of the frame (refer to the patent "watch coaxial rotary escape speed governor” Patent No.: 200720096902. 5) It is called “coaxial tourbillon”.
  • the rotation axis of the balance spring system coincides with the rotation axis of the frame itself, so the tourbillon is called As a single-axis tourbillon.
  • a two-axis tourbillon that can better reduce the position error caused by the gravity of the earth and further improve the travel time accuracy
  • a two-axis tandem tourbillon which is characterized by an inner frame carrying the balance spring system.
  • the rotation axis line is perpendicularly intersected with the rotation axis line of the outer frame connecting the support frame, and the angle of the rotation axis line of the inner frame and the axis of the movement axis is constantly changed from 0° to 90°, and the outer frame is continuously changed.
  • the axis of rotation of the axis is perpendicular to the axis of the movement.
  • the existing two-axis tourbillons such as CN Patent Publication No. 2036454A and US Patent Publication No. 18060147760A1, are both two-axis tourbillons.
  • the publication number CN2036454A is a two-axis series type, and the inner frame adopts a Breguet tourbillon mechanism, that is, an upper and lower support mode, and the energy input mode is matched by a pinion provided at a lower end of the outer frame and a face gear fixed to the clamp plate.
  • the disadvantage of this structure is that the thickness of the watch is large. Since the structure of the outer frame of the tourbillon must be closed, the thickness of the overall frame can be large, and the energy input mode makes the end gears be made into ring gears with large sizes. The overall thickness of this movement is further increased.
  • the machining accuracy of the main plate is very high, which will affect the stability of the movement of the whole mechanism;
  • the bell gear meshes with the escapement pinion, and the axial movement is directly transmitted to the escape wheel.
  • the gearing of the two toothed gears is not smooth, which affects the operation of the whole mechanism, thus affecting the travel time accuracy of the watch.
  • the problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a dual-axis tourbillon with simple structure, good processability and convenient processing.
  • the technical solution adopted by the invention is: a dual-axis tourbillon mechanism of a mechanical watch, the double-axis tourbillon mechanism is an open tandem structure, comprising: a main plate, a wheel part, a first bracket part, an inner tourbillon, a a bracket member and a transmission wheel train; the inner tourbillon is disposed on the first second clamping plate, and the first bracket shaft on the first bracket component is fixedly integrated with the second wheel in the wheel component, The second bracket shaft on the bracket member is fixed integrally with the fourth second wheel in the transmission train; the axis of the first bracket shaft and the axis of the second bracket shaft are on a horizontal axis; The components and drive train are located on the main plate.
  • the first bracket component includes a first bracket shaft, a first jewel bearing and a first bracket; the first bracket shaft is disposed on a first jewel bearing of the first bracket, and the first bracket shaft is formed with a square protrusion The square protrusion is adapted to an inner diameter of the second wheel; the second bracket component includes a second bracket shaft, a second jewel bearing, and a second bracket; the second bracket shaft is disposed on the second bracket On the second jewel bearing, the first bracket shaft and the second bracket shaft are respectively fixed to the first second clamp plate by the clamp column and the screw.
  • the mechanism further includes an adjusting device that adjusts an axial height of the second bracket, thereby finely adjusting the coaxiality of the second jewel bearing supported by the second bracket shaft and the first jewel bearing supported as the first bracket shaft;
  • the adjusting device comprises a tack tube, a bushing, a spring and an adjusting nut; the outer peripheral surface of the bit tube is provided with an adjusting nut and a bushing, and a spring is arranged between the adjusting nut and the bushing.
  • the wheel assembly includes a first over gear shaft, a first over wheel, and a second wheel; the first wheel plate is riveted integrally with the first tooth shaft and disposed on the lower plate, the second pass The wheel is engaged with the first wheel piece;
  • the transmission wheel train includes a fourth second wheel, a third second wheel, a third second pinion, a second second wheel, a second second axle, and a first second pinion;
  • the fourth second wheel is fixed on the second bracket by screws, and the third second wheel piece is riveted integrally with the third second tooth shaft on the second second clamping plate, the third second wheel piece and the fourth second
  • the wheel is engaged, the second second wheel piece is riveted into the second second wheel axle, the second second wheel piece is meshed with the third second toothed shaft, and the first second toothed shaft is fixedly integrated with the inner tourbillon.
  • the first second pinion and the second second wheel are engaged;
  • the second bracket is fixed to the main plate by an adjusting device.
  • the first through wheel, the second through wheel, the fourth second wheel, and the third second wheel are all bevel gears.
  • the ratio of the number of teeth of the second wheel to the first wheel is 1:1; the ratio of the number of teeth of the third second pinion to the first second tooth is 1:1.
  • the outer frame rotates at a speed of 2-10 minutes, and the inner tourbillon rotates at a speed of 1 minute; the third second wheel and the fourth second wheel have a gear ratio of 1: (2-10).
  • the gear ratio of the third second wheel to the fourth second wheel is 1: 2. 5 or 1: 5.
  • the beneficial effects of the invention are as follows: Since the overall frame is an open structure, the thickness of the frame is reduced, and the finished watch is thinner; the bevel gear is used to complete the rotary motion of the three-dimensional space tourbillon frame, the smoothness of the transmission is better, and the travel time of the watch.
  • the precision of the outer frame is respectively supported by the jewel bearing on the first bracket and the second bracket as the support bearing, which reduces the processing process of the main clamping plate, has good processability, and is more favorable for improving the machining precision; the outer frame support shaft can be integrally disassembled. Convenient assembly and maintenance; The whole device fine-tunes the axial height of the second bracket, effectively ensuring the coaxiality of the brackets on both sides of the outer frame, and makes the tourbillon frame more stable when operating in a three-dimensional space.
  • Embodiment 1 is an axial schematic view of Embodiment 1 of the present invention.
  • Embodiment 1 of the present invention is a schematic plan view of Embodiment 1 of the present invention.
  • Embodiment 1 of the present invention is a perspective view of Embodiment 1 of the present invention.
  • Embodiment 2 of the present invention is an axial schematic view of Embodiment 2 of the present invention.
  • main plate 2 lower plate 3a: first toothed shaft
  • first second splint 10 second bracket shaft 11: second jewel bearing 12: second bracket 13: fourth second wheel 14a: third second wheel 14b: third second pinion 15a: second second wheel 15b: second second pinion 16: first second pinion 17: inner tourbillon 18: second second splint
  • the dual-axis tourbillon mechanism of the mechanical watch of the present invention has an open structure, including the main plate 1, a wheel member, a first bracket member, an inner tourbillon 17, a first second splint 9, a second bracket member, a transmission train and an adjusting device; the inner tourbillon 17 is disposed on the first second splint 9, the first The bracket member and the second bracket member are disposed on the main plate 1, the wheel member is disposed on the lower plate 2, and the transmission wheel is disposed on the second plate.
  • the wheel assembly includes a first over-shaft 3a, a first over-roller 3b, and a second over-wheel 4; the first over-roller 3b is riveted integrally with the first over-toothed shaft 3a on the lower splint 2
  • the first wheel 8b is a bevel gear
  • the second wheel 4 meshes with the first wheel plate 3b
  • the second wheel 4 is a bevel gear
  • the inner diameter of the second wheel 4 is a square hole
  • the square hole is matched with the square protrusion of the first bracket shaft 5, and is fixed by screws.
  • the screwing direction of the screw must coincide with the rotation direction of the second wheel 4, and the second wheel 4 and the first pass
  • the number of teeth of the wheel piece 3b is 1:1;
  • the first bracket member includes a first bracket shaft 5, a first jewel bearing 6 and a first bracket 7;
  • the first bracket shaft 5 is disposed at the first bracket 7
  • the second bracket member includes a second bracket shaft 10, a second jewel bearing 11 and a second bracket 12;
  • the second bracket shaft 10 is disposed on the second jewel bearing 11 of the second bracket 12, and the first bracket shaft 5 and the second bracket shaft 10 respectively pass through the clamping column 8
  • the screw is fixed on the first second splint 9;
  • the transmission wheel train includes a fourth second wheel 13, a third second wheel 14a, a third second pinion 14b, a second second wheel 15a, a second second pinion 15b, a first second pinion 16;
  • the fourth second wheel 13 is fixed to the second bracket 12 by screws
  • the second second wheel 15a is engaged with the third second pinion 14b, and the first second pinion 16 is fixedly integrated with the inner tourbillon 17, and the structure of the inner tourbillon 17 is not described herein again.
  • No. 200720096902. 5 "Watch coaxial rotary escape speed governing mechanism" whose tourbillon rotates at a speed of one revolution per minute; the first second pinion 16 meshes with the second second wheel 15a, the third The ratio of the gear ratio of the second second wheel 13 to the third second wheel 14a is the outer frame rotation speed value of 2.5 or 5, This value indicates that the rotational speed of the outer frame is one revolution per 2.5 minutes or one rotation every five minutes.
  • the value of this value can be selected between 2 and 10; the rotation speed of the inner tourbillon is one minute and one rotation; Therefore, the gear ratio of the third second wheel piece 14a and the fourth second wheel 13 is 1: (2-10).
  • the second bracket 12 is fixed on the main clamping plate 1 by an adjusting device, and the adjusting device adjusts the axial height of the second bracket 12, thereby finely adjusting the second jewel bearing 11 supported by the second bracket shaft 10 and as the first bracket shaft.
  • the adjusting device comprises a tack tube 19, a bushing 20, a spring 21 and an adjusting nut 22; the outer peripheral surface of the bit tube 19 is provided with an adjusting nut 22 and a bushing 20 A spring 21 is disposed between the adjusting nut 22 and the bushing 20.
  • a reasonable selection is made mainly by adjusting the axial height of the second bracket 12 by using the bushings 20 of different thicknesses to further adjust the second jewel bearing 1 1 supported as the second bracket shaft 10 and the first supported as the first bracket shaft 5
  • the jewel bearing 6 is coaxial, and other structures are the same as those in Embodiment 1, and will not be described herein.
  • the overall frame of the invention adopts an open structure, and the inner tourbillon adopts a flying tourbillon structure to reduce the thickness of the whole movement.
  • the transmission wheel train connected to the inner tourbillon in the outer frame can be designed according to the needs of the series. Between the gear ratios, it is optimal to select 2.5 or 5 as the outer gear input wheel to determine the rotational speed of the outer frame. This setting is more conducive to the serialization of the present invention;
  • the invention completes the rotation movement of the tourbillon frame of the three-dimensional space through the bevel gear. Because the bevel gear transmission has the advantages of stable transmission and high strength, it is very suitable for the movement of the three-dimensional space of the tourbillon frame in the mechanical watch, and can ensure the stability of the transmission.
  • the travel time precision of the mechanical watch is ensured; again, the outer frame rotating shaft of the present invention passes through the jewel bearing on the first bracket and the jewel bearing on the second bracket as the support bearing instead of the perforation in the main clamp plate.
  • the structure supported by the jewel bearing reduces the processing steps of the main plate and improves the machining accuracy of the parts. The process is good, and the travel time precision of the watch is improved.
  • the arrangement of the outer frame support shaft can be integrally disassembled for easy assembly and maintenance, and is simple and convenient.
  • the second bracket of the present invention adopts an adjustable nut structure, that is, by adjusting The nut is used to finely adjust the axial height of the second bracket, so that the coaxiality of the brackets on both sides of the outer frame of the present invention can be conveniently adjusted, and the stability of the tourbillon frame in the three-dimensional space operation is ensured, and the travel time precision of the watch is ensured.
  • the main transmission wheel train of the invention transmits the energy of the movement to the first over-toothed shaft 3a, drives the first over-toothed shaft 3a to rotate counterclockwise, and the first over-wheeled piece 3b drives the second over-wheel 4 to rotate clockwise, due to the second
  • the wheel 4 is fixed integrally with the outer frame of the present invention, and the outer frame is driven to rotate clockwise at the same time as the inner tourbillon.
  • the axis of rotation of the outer frame is perpendicular to the axis of the movement; the third second wheel 14a is rotated clockwise around the fourth seconds wheel 13 fixed to the second bracket 12 and rotated clockwise under the driving of the outer frame, and the third second pinion 14b drives the first second pinion 16 through the second second wheel 15a.
  • the first second pinion 16 is fixedly integrated with the inner tourbillon 17, the balance spring system of the inner tourbillon 17 is input with energy and the inner tourbillon is rotated at a speed of one revolution per minute.
  • the angle between the axis of rotation of the tourbillon and the axis of the movement is changed from 0 ° to 90 °, and the axis of rotation of the inner tourbillon perpendicularly intersects the axis of rotation of the outer frame, the rotational speed of the outer frame
  • a value of 2.5 or 5 indicates The rotational speed of the frame is 2.5 minutes per one revolution or one revolution every 5 minutes, every revolution of the outer frame time may be used between 2 and 10 minutes.
  • the present embodiment uses a coaxial tourbillon, and the scope of protection of the present invention is not limited to the above specific embodiments. According to the basic technical idea of the present invention, substantially the same structure transmission can also be adopted. The object of the present invention can still be achieved by using an eccentric tourbillon, and any embodiment that can be conceived by those skilled in the art without creative labor is within the scope of the present invention.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Gears, Cams (AREA)
  • Adornments (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)

Abstract

La présente invention concerne un mécanisme à tourbillon biaxial pour une montre mécanique, dans lequel un tourbillon intérieur (17) est ménagé sur une première tige de secondes (9), un premier axe de support (5) et une roue de réglage des secondes (4) des parties de roue de réglage sont fixés d'une seule pièce ; un deuxième axe de support (10) sur un second support (12) et une quatrième roue des secondes (13) dans un rouage de transmission sont fixés d'une seule pièce ; l'axe du premier axe de support (5) et l'axe du second axe de support (10) sont sur un axe horizontal ; et les parties de roue de réglage et le rouage de transmission sont situés sur la tige principale (1). L'ensemble du bâti est une structure ouverte, ce qui réduit l'épaisseur du bâti et permet d'affiner le produit fini ; un engrenage conique est utilisé pour assurer le mouvement de rotation du bâti de tourbillon dans l'espace tridimensionnel, ce qui améliore la stabilité du mouvement de transmission et la précision de la montre ; l'ensemble de l'axe de maintien de bâti externe peut être démonté, ce qui facilite le montage et l'entretien ; et grâce à un dispositif d'ajustement, il est possible d'ajuster très précisément la hauteur axiale du second support (12), ce qui assure efficacement l'axialité des supports de chaque côté du bâti externe, ce qui stabilise le mouvement de rotation du bâti de tourbillon dans l'espace tridimensionnel.
PCT/CN2012/071104 2011-05-30 2012-02-14 Mécanisme à tourbillon biaxial pour montre mécanique WO2012163105A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112012000574.0T DE112012000574B4 (de) 2011-05-30 2012-02-14 Zweiachs-Tourbillon für eine mechanische Armbanduhr
SG2013063953A SG192923A1 (en) 2011-05-30 2012-02-14 Biaxial tourbillion mechanism of mechanical watch
CH01967/13A CH706694B1 (de) 2011-05-30 2012-02-14 Zweiachs-Tourbillon für eine mechanische Armbanduhr.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110142886.X 2011-05-30
CN201110142886XA CN102809919B (zh) 2011-05-30 2011-05-30 一种机械手表的双轴陀飞轮机构

Publications (1)

Publication Number Publication Date
WO2012163105A1 true WO2012163105A1 (fr) 2012-12-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/071104 WO2012163105A1 (fr) 2011-05-30 2012-02-14 Mécanisme à tourbillon biaxial pour montre mécanique

Country Status (5)

Country Link
CN (1) CN102809919B (fr)
CH (1) CH706694B1 (fr)
DE (1) DE112012000574B4 (fr)
SG (1) SG192923A1 (fr)
WO (1) WO2012163105A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3023933A1 (fr) * 2014-07-17 2016-01-22 Nicolas Heim Cage tourbillon a ancre coaxiale

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103412471B (zh) 2013-08-13 2016-06-29 天津海鸥表业集团有限公司 一种机械手表的三轴陀飞轮机构
EP3451075B1 (fr) 2017-08-21 2020-06-24 Montres Breguet S.A. Mouvement d'horlogerie comportant un tourbillon multiaxial
CN112305894B (zh) * 2020-10-28 2022-04-26 深圳市格雅表业有限公司 一种机械钟表机芯中的陀飞轮
CN112711182A (zh) * 2020-12-25 2021-04-27 杭州手表有限公司 大可视比例中置三维立体陀飞轮机构

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Publication number Priority date Publication date Assignee Title
EP1276022A2 (fr) * 2001-07-12 2003-01-15 Franck Muller-Watchland SA Pièce d'horlogerie mécanique
CN1536454A (zh) * 2003-04-03 2004-10-13 �����ˡ����ա��߲����ɷ����޹�˾ 钟表，特别是手表的双轴陶比伦旋转机构
CH694598A5 (fr) * 2002-12-10 2005-04-15 Richemont Int Sa Mouvement d'horlogerie comportant un mécanisme à tourbillon.
WO2006032581A2 (fr) * 2004-08-11 2006-03-30 Karl Bernhard Lederer Piece d'horlogerie mecanique a tourbillon
US20060187760A1 (en) * 2005-01-28 2006-08-24 Richemont International Sa Watch with a tourbillon
CN201740987U (zh) * 2010-08-23 2011-02-09 北京手表厂有限公司 立体旋转摆轮擒纵调速机构
HU227321B1 (en) * 2008-03-06 2011-03-28 Aron Becsei Tri-axial tourbillon for a timepiece, in particular a wrist watch
CN202102256U (zh) * 2011-05-30 2012-01-04 天津海鸥表业集团有限公司 机械手表的双轴陀飞轮机构

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH693832A5 (de) 2002-08-30 2004-02-27 Guebelin Ag Tourbillon.
CH699838B1 (fr) * 2004-03-09 2010-05-14 Franck Muller Watchland Sa Tourbillon tri-axial pour pièce d'horlogerie, notamment montre-bracelet.

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1276022A2 (fr) * 2001-07-12 2003-01-15 Franck Muller-Watchland SA Pièce d'horlogerie mécanique
CH694598A5 (fr) * 2002-12-10 2005-04-15 Richemont Int Sa Mouvement d'horlogerie comportant un mécanisme à tourbillon.
CN1536454A (zh) * 2003-04-03 2004-10-13 �����ˡ����ա��߲����ɷ����޹�˾ 钟表，特别是手表的双轴陶比伦旋转机构
WO2006032581A2 (fr) * 2004-08-11 2006-03-30 Karl Bernhard Lederer Piece d'horlogerie mecanique a tourbillon
US20060187760A1 (en) * 2005-01-28 2006-08-24 Richemont International Sa Watch with a tourbillon
HU227321B1 (en) * 2008-03-06 2011-03-28 Aron Becsei Tri-axial tourbillon for a timepiece, in particular a wrist watch
CN201740987U (zh) * 2010-08-23 2011-02-09 北京手表厂有限公司 立体旋转摆轮擒纵调速机构
CN202102256U (zh) * 2011-05-30 2012-01-04 天津海鸥表业集团有限公司 机械手表的双轴陀飞轮机构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3023933A1 (fr) * 2014-07-17 2016-01-22 Nicolas Heim Cage tourbillon a ancre coaxiale

Also Published As

Publication number Publication date
DE112012000574T5 (de) 2013-11-28
SG192923A1 (en) 2013-09-30
CN102809919A (zh) 2012-12-05
CH706694B1 (de) 2017-09-29
DE112012000574B4 (de) 2020-08-06
CN102809919B (zh) 2013-12-18

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