CN105637429A

CN105637429A - Barrel system for a timepiece

Info

Publication number: CN105637429A
Application number: CN201480057029.1A
Authority: CN
Inventors: 大卫·康多
Original assignee: CHRONOMETRIE FERDINAND BERTHOUD SA
Current assignee: CHRONOMETRIE FERDINAND BERTHOUD SA
Priority date: 2013-11-04
Filing date: 2014-11-04
Publication date: 2016-06-01
Anticipated expiration: 2034-11-04
Also published as: WO2015063338A2; HK1221022A1; EP2869134A1; WO2015063338A3; CN105637429B; EP2869134B1

Abstract

The invention relates to a barrel system (1) for a timepiece, including: a supporting pin (9); a barrel (2, 4) comprising a drum (2) closed by a barrel bottom (4), the barrel housing a mainspring, an outer end of the mainspring being connected to the drum (2); a barrel pin (11) in the form of an hour wheel located in the barrel (2, 4) and surrounding the supporting pin (9), an inner end of said mainspring being connected to the barrel pin (11). According to the invention, the barrel system (1) also includes a rotation transmission pin (12) arranged such as to transmit a rotation motion of said drum (2) to a clockwork element, the rotation transmission pin (12) being in the form of an hour wheel surrounding the supporting pin (9) and being surrounded by the barrel pin (11), the rotation transmission pin (9) being rotatably secured to the drum (2).

Description

Going barrel system for timepiece

Technical field

The present invention relates to clock field. The invention particularly relates to a kind of going barrel system for timepiece.

Background technology

Known prior art has the substantial amounts of going barrel system for timepiece, for instance the going barrel system described in file CH431389, CH333241 and EP1970778. But, all these going barrel systems only have the machinery output that can provide energy, and lack aesthetic feeling, and this is for being critically important through being commonly formed the high-grade wrist-watch of what is called " frame " now, can see movement by the dial plate of transparent bottom and/or segmentation.

Therefore, it is an object of the invention to provide a kind of going barrel system, this going barrel system makes it possible on the rotary motion transmission of going barrel to the additional mechanism providing additional operation of watch and clock movement and more aesthetic feeling, and also is easily installed in watch and clock movement.

Summary of the invention

More accurately, the present invention relates to a kind of going barrel system for timepiece, including:

-supporting axle,

-going barrel, including the going barrel of the cylinder by going barrel bottom closure, going barrel is placed with former dynamic clockwork spring, and the outer end of former dynamic clockwork spring is connected with cylinder, and

-going barrel axle, has and is arranged in going barrel and the sleeve-shaped around supporting axle, and the inner of described former dynamic clockwork spring is connected with going barrel axle.

According to the present invention, going barrel system also includes rotating drive shaft, this rotating drive shaft is set on the rotary transfer of described cylinder to the element of watch and clock movement, rotating drive shaft have around supporting axle and by going barrel axle around sleeve-shaped, rotating drive shaft rotates connection with cylinder. Therefore, permitting the inside that the rotating drive shaft on rotary motion transmission to the additional mechanism providing additional operation of timepiece is integrated into going barrel axle, this makes it possible to obtain very-close-coupled structure, and therefore has aesthetic feeling.

Preferably, the going barrel axially rack component being applicable to timepiece connects, and this makes structure reliable and safety. Further, since the side of going barrel does not have spindle nose, the thickness of going barrel is reduced.

In one embodiment, supporting axle connects suitable in the rack component of only one end with timepiece, and going barrel is supported on supporting axle by means of support component, and support component is adapted ensure that going barrel is axially supported on supporting axle. Therefore, going barrel suspension (volante) in movement is placed is possible.

Advantageously, support component is thin plate, and this thin plate includes the groove axially engaged with supporting, and this makes to assemble simply. Additionally, thin plate can be set to and supporting axle rotate connection, described thin plate includes being set to the pin that the sheave movable part with alignment system engages, sheave bottom described going barrel on pivot. Therefore, the pin of alignment system and support component are combined, and decrease the number of required independent component.

Preferably, thin plate is supported on tram directly or indirectly through the falciform bridge being installed in bottom going barrel.

In one embodiment, rotating drive shaft is by being bound up on the cylinder rotation connection of the connecting element bottom going barrel and going barrel, and connecting element is preferably at least partially positioned within bottom going barrel and between above-mentioned falciform bridge.

In another embodiment, rotating drive shaft is in transmission connection with there being tooth movable part, this has tooth movable part to be set to the instruction system of the rotary transfer of rotating drive shaft to power reserve, this makes it possible to another mechanism of the rotary transfer of going barrel to watch and clock movement, such as, the indicating mechanism of power reserve electricity, thus avoiding as used differential gear under normal circumstances.

In a specific embodiment, cylinder does not have the gear teeth, and therefore going barrel is so-called " smooth " going barrel, and is applicable to drive stackfreed mechanism to rotate by chain, line, belt or rope.

The invention still further relates to a kind of watch and clock movement, this watch and clock movement includes going barrel system as above, wherein, supports the first rack component connection of axle and described movement, and going barrel axially connects with bridging knot, described bridge and described first rack component. Propose a kind of and the going barrel system combination according to the present invention watch and clock movement equally.

Preferably, there is tooth movable part between described first rack component and described bridge, and there is cramped construction.

Accompanying drawing explanation

Reading following description by reference accompanying drawing, other details of the present invention manifest with will be apparent from, in the accompanying drawings:

-Fig. 1 is the perspective view of the going barrel system according to the present invention;

-Fig. 2 is the transverse cross-sectional view of the going barrel system of Fig. 1;

-Fig. 3 is the profile perspective of the going barrel system of Fig. 1;

-Fig. 4 is the perspective view supporting thin plate upon assembly;

-Fig. 5 is the profile perspective supporting thin plate when installation site;

-Fig. 6 is the perspective view of the detent mechanism of the going barrel system of Fig. 1.

Detailed description of the invention

Fig. 1 illustrates the going barrel system 1 according to the present invention. Going barrel includes cylinder 2, and this cylinder has the shape of smooth rollers at this, be particularly well-suited to by the chain of stackfreed mechanism (not shown) around, thus driving cylinder to rotate. But, present invention is equally applicable to include the cylinder 2 of the circumference gear teeth. As is generally known, the side of cylinder 2 is by 4 Guan Bi bottom going barrel, thus forming the box body being placed with former dynamic clockwork spring (not shown). Going barrel system also includes being positioned at bottom going barrel the alignment system 3 on 4, this alignment system includes being installed to be the movable sheave 5 rotated freely on 4 bottom going barrel by means of screw 22, this activity sheave engages the revolution that is likely to be breached of cylinder 2 for restriction going barrel with pin 6, as described in hereafter details. Additionally, going barrel system includes bridge 7 and has tooth movable part (mobiledent ��) 8, this bridge and have the function of tooth movable part will be explained below.

As become apparent from finding in figs 2 and 3, going barrel system 1 includes supporting axle 9, and this supporting axle is such as fixed on the rack component of watch and clock movement (not shown) by screw 10 by its lower end (definition is with reference to accompanying drawing). Going barrel axle 11 around supporting axle 9 has the shape of pipe or cylinder, and the inner of former dynamic clockwork spring (not shown) is fixed to this in shape in the standard fashion. Going barrel axle 11 is attached on the bridge 7 at least rotated, and bridge location is between above-mentioned rack component and going barrel 2,4. Therefore bottom going barrel 4 and cylinder 2 rotate freely around going barrel axle 11. The interaction that going barrel axle 11 can pass through to embed between (chassage) or non-circular shape (such as, one or more gear teeth, groove, square or arbitrary suitable polygon-shaped) rotates connection with bridge. Owing to going barrel axle 11 is fixing, so going barrel 2,4 is set to rotate in two rotational directions, this is particularly well-suited to be connected with stackfreed mechanism. Going barrel system also includes the clockwork spring lid 16 connecting with cylinder 2 and rotating freely around going barrel axial 11, and this clockwork spring lid is leaned against on bridge 7 by least one fritter 17 being embedded in clockwork spring lid 16. This fritter 17 is for defining along the supporting axle 9 position to bridge 7.

Rotating drive shaft 12 is between supporting axle 9 and going barrel axle 11, and this rotating drive shaft rotates connection with there being the tooth movable part 8 end at going barrel axle 11, has tooth movable part 8 in this example between above-mentioned rack component and bridge 7. The cylinder 2 of the other end of rotating drive shaft 12 and going barrel is in transmission connection by non-circular portion 13, and this non-circular component and the connecting element 14 being fixed on bottom going barrel 4 are integrated. Connecting element 14 includes non-circular openings, and this non-circular openings is corresponding with the non-circular portion 13 of rotating drive shaft 12. Non-circular portion 13 can be other shapes being suitable for polygonal, oval or arbitrary.

Going barrel 2,4 is maintained at assembled state by thin plate 18, and this thin plate has the pin 6 of detent mechanism 3. Thin plate 18 is used as to support the support component of going barrel 2,4 on supporting axle 9, and is engaged in the otch 19 of supporting axle 9. It is true that going barrel assembly is maintained between thin plate 18 and bridge 7 by thin plate 18. Thin plate 18 includes Guan Bi opening 30, and this opening is formed for, when being arranged on by thin plate 18 on supporting axle 9, making the free end 31 of supporting axle 9 pass through, as shown in Figure 4. Opening 30 also includes groove 32, and this groove is for coordinating with the otch 19 of supporting axle 9. Advantageously, otch 19 has such as square etc non-circular cross section, and groove 32 has corresponding shape so that once engagement, thin plate 18 just can rotate with supporting axle 9 and connect. In order to contribute to guaranteeing the location of thin plate 18, supporting axle 9 can include projection 33, this projection is protruded from the plane of thin plate 18 and has the first flat surface 34, and this first flat surface forms groove 32 surface extensions, it is preferable that in the extension of groove 32 lower surface. First flat surface 34 is preferably perpendicular to the plane of thin plate 18, and the second surface platform 35 having with the free end 31 of corresponding supporting axle 9 coordinates, free end 31 and the projection 33 of supporting axle 9 are set to be collectively forming cylindrical shape, if Fig. 5 is shown in assembling position. But, projection 33 and first, second flat surface platform 34,35 are not that pressure is required, and other allowances guarantee that the device that thin plate 18 positions can be foreseen.

Thin plate 18 is supported on the correct position of oneself by falciform bridge (fauxpont) 20, this falciform bridge includes the opening 37 freely holding the free end 31 of supporting axle 9, thin plate is axially and radially located by this, and leave enough gaps so that when going barrel rotates, falciform bridge 20 and thin plate 18 can be mutually in rotary moving. It is ruby ring that opening 37 can also include one or more type so that guide supporting axle 9 limiting friction more accurately. Falciform bridge 20 is positioned in connecting element 14, and the two element is attached to bottom going barrel 4 by fang bolt 21.

Finding out in enlarged drawing shown in figure 6, alignment system 3 works in a standardized manner. Pin 6 remains stationary, and movable sheave 5 rotates on 4 bottom going barrel around supporting axle 9, and movable sheave is integrated when going barrel for every revolution and pin 6. Therefore, for each rotation of going barrel, movable sheave 5 moves a step around 22 turns of its screw, until pin 6 is run into movable sheave 5 and is had reeded part, and the so generally known rotation limiting going barrel.

In particular case, there is tooth movable part 8 for transmitting the rotation of going barrel to the indicating mechanism of power reserve, and therefore connection between connecting element 14 and rotating drive shaft 12 need not be very firm, because the indicating mechanism of power reserve has only to minimum couple. Therefore, the non-circular portion of the opening of the non-circular portion 13 of rotating drive shaft 12 and the connecting element 14 of correspondence by the method manufacture of opposite fine, can which reduce the volume of these parts. But, manufacture these parts by more firm method, have tooth movable part 8 can also provide energy for watch and clock movement.

This structure due to going barrel system, almost complete suspension going barrel is achieved that, this makes it possible to other mechanisms whole transmission rotary motion of the indicating mechanism to power reserve or watch and clock movement, and does not damage suspension effect, and has the outward appearance promoting aesthetic feeling.

The installation of the going barrel system 1 in watch and clock movement realizes as follows.

First, bottom cylinder 2-going barrel, the assembly of the former dynamic clockwork spring of 4-is assembled on going barrel axle 11, and covers 16 and connect with cylinder 4. Movable sheave 5 can be installed in bottom going barrel 4 in any stage.

Then, axial 9 are supported by screw 10 and the connection of rack component (not shown). In the illustrated example, supporting axle 9 is inserted in rack component through opening, and connects with this rack component.

Then, rotating drive shaft 12 and have tooth movable part 8 to be closed on supporting axle 9 by dress, bridge 7 is subsequently mounted on the rack component of movement.

Then, bottom cylinder 2-going barrel, the assembly of the former dynamic clockwork spring-lid 16 of 4-is filled conjunction to rotating drive shaft 12, and connecting element 14 engages with the non-circular portion 13 of rotating drive shaft 12, and is placed on the position of 4 bottom going barrel. During this step, going barrel axle 11 rotates connection with bridge 7, for instance by the non-circular engagement of embedding or correspondence. Alternatively, bridge 7 can connect with going barrel axle 11 before the assembly of the former dynamic clockwork spring-lid 16 of 4-bottom mounting rotary drum 2-going barrel, and therefore bridge 7 fills to close on rotating drive shaft 12 and connects with rack component after the assembly of the former dynamic clockwork spring of 4--lid 16-bridge 7 bottom cylinder 2-going barrel.

Subsequently, thin plate 18 is engagement in the otch 19 of supporting axial 9, and movable sheave 5 and pin align in the correct way. Then, falciform bridge 20 is placed, and by 4 connections bottom screw 21 and going barrel, therefore bottom going barrel 4 and falciform bridge 20 connecting element 14 interlayer is connect.

Although present invention has disclosed the specific embodiments of reference, but the present invention is not limited to this specific example. Going barrel system can be modified by those skilled in the art under the premise without departing from the scope of the present invention being defined by the following claims.

Claims

1. the going barrel system (1) for timepiece, including:

-supporting axle (9);

-going barrel (2,4), it includes the cylinder (2) closed by (4) bottom going barrel, and described going barrel is placed with former dynamic clockwork spring, and the outer end of described former dynamic clockwork spring is connected with described cylinder (2);

-going barrel axle (11), it has and is arranged in described going barrel (2,4) and the sleeve-shaped around described supporting axle (9), and the inner and described going barrel axle (11) of described former dynamic clockwork spring is connected;

It is characterized in that, described going barrel system (1) also includes rotating drive shaft (12), described rotating drive shaft is set on the rotary motion transmission of described cylinder (2) to the element of watch and clock movement, described rotating drive shaft (12) have around described supporting axle (9) and by described going barrel axle (11) around sleeve-shaped, described rotating drive shaft (9) and described cylinder (2) rotate connection.

2. the going barrel system (1) according to previous item claim, wherein, the rack component that described going barrel axle (11) is applicable to described timepiece connects.

3. according to going barrel system (1) in any one of the preceding claims wherein, wherein, described supporting axle (9) connects suitable in the rack component of only one end with described timepiece, described going barrel (2,4) is supported on described supporting axle (9) by means of support component (18), and described support component is adapted ensure that described going barrel (2,4) is axially supported on described supporting axle (9).

4. the going barrel system (1) according to previous item claim, wherein, described support component (18) is thin plate (18), and described thin plate includes the groove engaged with described supporting axle (9).

5. the going barrel system (1) according to previous item claim, wherein, described thin plate (18) is set to rotate connection with described supporting axle (9), described thin plate (18) includes being set to the pin (6) that the movable sheave (5) with alignment system (3) engages, and described movable sheave (5) pivots on (4) bottom described going barrel.

6. the going barrel system (1) according to claim 4 or 5, wherein, described thin plate (18) is supported on tram by the falciform bridge (20) being arranged on bottom described going barrel on (4).

7. according to going barrel system (1) in any one of the preceding claims wherein, wherein, described rotating drive shaft (12) rotates connection by being bound up on the connecting element (14) of (4) bottom described going barrel with described cylinder (2).

8. the going barrel system (1) according to claim 6 or 7, wherein, described connecting element (14) is at least partially disposed at bottom described going barrel between (4) and described falciform bridge (20).

9. according to going barrel system (1) in any one of the preceding claims wherein, wherein, described rotating drive shaft (9) is in transmission connection with there being tooth movable part (8), described in have tooth movable part to be set to the instruction system of the rotary transfer of described rotating drive shaft (12) to power reserve.

10. according to going barrel system (1) in any one of the preceding claims wherein, wherein, described cylinder (2) does not have gear teeth, and is adapted to pass through chain, line, belt or rope and drives stackfreed mechanism to rotate.

11. a watch and clock movement, including according to going barrel system (1) in any one of the preceding claims wherein, wherein, the described first rack component connection of described supporting axle (9) and described movement, described going barrel axle and bridge (7) connection, described bridge (7) and described first rack component connection.

12. have tooth movable part (9) to be positioned between described first rack component and described bridge (7) described according to the watch and clock movement described in previous item claim, including going barrel system (1) according to claim 9, wherein.