CN105637431B - The indicating mechanism of power reserve - Google Patents
The indicating mechanism of power reserve Download PDFInfo
- Publication number
- CN105637431B CN105637431B CN201480056918.6A CN201480056918A CN105637431B CN 105637431 B CN105637431 B CN 105637431B CN 201480056918 A CN201480056918 A CN 201480056918A CN 105637431 B CN105637431 B CN 105637431B
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- CN
- China
- Prior art keywords
- cam
- power reserve
- drive wheel
- indicating mechanism
- thread spindle
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Classifications
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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
- G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
- G04B9/005—Supervision of the state of winding, e.g. indicating the amount of winding by optical indication of the amount of winding
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission Devices (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Electromechanical Clocks (AREA)
Abstract
The present invention relates to a kind of indicating mechanism (1) of power reserve for timepiece, including：Thread spindle (2), the rack component of the timepiece is installed to for being coupled；Cam (3), have towards the thread spindle (2) inclined outer surface (7), cam (3) is arranged to thread spindle (2) coordinate by screwing；Movable drive wheel (10), for the cam (3), the movable drive wheel (10) is used to be rotated in the two directions by means of the going barrel of the timepiece, and at least one transmission device (4) including driving cam (3) rotation, the transmission device are coupled with the movable drive wheel；Pop one's head in (5), contact with the outer surface (7) of the cam (3) and be connected with the indicator of power reserve.
Description
Technical field
The present invention relates to clock field.The invention particularly relates to a kind of indicating mechanism of the power reserve for timepiece.
Background technology
File EP 1 333 341, CH 95250 and CH330 559 disclose the indicating mechanism of power reserve, and it uses quilt
The cam being screwed on thread spindle.Probe contacts with the surface of cam, and pops one's head in and be connected with the indicator of power reserve.
Traditional method is, when cam or thread spindle are connected with the drum drive of going barrel respectively, thread spindle or cam and going barrel
Spindle drive connection.Therefore, when going barrel tightens, cam is by means of the interaction of axle and the respective screw thread of cam
Threadingly axle moves on one direction.When going barrel discharges, cam threadingly axle in a second direction that is opposite the first direction
It is mobile.Pop one's head in and the surface of cam is followed when the motion occurs, and the motion is transferred to the indicator of power reserve, refer to
It is usually pin, disk etc. to show device.
The indicating mechanism of this power reserve is applied to current most common going barrel, i.e., by its main shaft come the hair that tightens
Barrel, the going barrel drive clock and watch to move by the gear teeth at roll circumference.In this going barrel, roller and clockwork spring
The main shaft of box rotates in the opposite rotation direction respectively.
However, the indicating mechanism of this power reserve is not suitable for the going barrel being connected with stackfreed mechanism, wherein
Going barrel is tightened by stackfreed.Therefore in this mechanism, roller allows for rotating in two rotational directions.This
Outside, the power reserve mechanism of prior art is little suitable for being installed in hand using so-called " suspension (volante) " mode
In table framework.
It is therefore an object of the present invention to the limitation of above-mentioned prior art is at least overcome to a certain extent.
The content of the invention
More accurately, the present invention relates to a kind of indicating mechanism of the power reserve for timepiece, including：
- thread spindle, it is used to be coupled the rack component for being installed to the timepiece；
- cam, it has is arranged to by screwing (vissage) towards the inclined outer surface of the thread spindle, cam
With threaded shaft fits；
- movable drive wheel, it is used for the cam, and the movable drive wheel is used for the going barrel by means of the timepiece
Rotate in the two directions, and include at least one drive device of driving cam rotation, the drive device with it is described
Movable drive wheel is coupled；
- probe, it contacts with the outer surface of the cam and is connected with the indicator of power reserve.
Due to these features, it is proposed that a kind of suitable for the power reserve of going barrel that is connected with stackfreed mechanism
Indicating mechanism.Further, since thread spindle is fixedly installed on the element of timepiece frame, this results in very strong mechanically stable
Property, the mechanism is easy to configure by the way of " suspension ", because because thread spindle can be supported only or one by one end
End is tightly and the other end is lightly supported.
In a specific embodiment, at least one transmission device includes at least one tenon being coupled with movable drive wheel.
At least one tenon be arranged to be substantially parallel to thread spindle and through be arranged in the cam corresponding to open
Mouthful, driving cam rotates in a simple and reliable way for this, and is additionally operable to the guiding of cam.
In another specific embodiment, cam is circular cone shape.This shape is advantageously easy, to manufacture.
In another specific embodiment, movable drive wheel is installed to be to be rotated freely around the thread spindle.Therefore obtain
Simple structure.
In another specific embodiment, probe includes roller, roller contacted with the inclined surface of the cam and
Rocking bar (bascule) rotation around probe is installed to be, roller is preferably made up of ruby.So between probe and cam
Friction is minimized, and also therefore reduces the abrasion of these parts.Preferably, the plane of the roller be arranged to it is described convex
The tangent line of the outer surface of wheel is vertical.
The invention further relates to a kind of watch and clock movement, the movement includes the instruction of going barrel and power reserve as defined above
Mechanism, former dynamic clockwork spring is placed with the going barrel, the going barrel is connected with movable part with teeth (mobile dent é), should
Movable part with teeth is used to rotate along two direction of rotation when the dynamic clockwork spring engine of original is tightened or discharged, and the thread spindle is attached to
On the rack component of the watch and clock movement, and the movable drive wheel is connected with the movable part with teeth.
Preferably, the movable part with teeth is the roller and/or the movable part with teeth and the movable drive of going barrel
Wheel directly engages.
Finally, the present invention relates to a kind of timepiece, the timepiece to include watch and clock movement, it is therefore preferable to wrist-watch, it is such as fixed above
Justice.
Brief description of the drawings
Read hereafter by reference to accompanying drawing, other details of the invention will more clearly show, in the accompanying drawings：
- Fig. 1 is the perspective view according to the visual angle from below of the indicating mechanism of the power reserve of the present invention；
- Fig. 2 is the perspective view from top visual angle according to the indicating mechanism of the power reserve of the present invention；
- Fig. 3 is the transverse cross-sectional view according to the indicating mechanism of the power reserve of the present invention.
Embodiment
Fig. 1 to 3 shows the indicating mechanism 1 of the power reserve according to the present invention.The mechanism includes thread spindle 2, the screw thread
Axle is used to for example by screw 8 with the frame (not shown) element of timepiece movement be coupled.Therefore thread spindle 2 is fixed, and
And it can not be driven in rotation.For the sake of clarity, it is not shown in the drawings the screw thread of thread spindle 2.If desired, thread spindle 2
End away from rack component can be supported by the bearing 9 in additional bridge (not shown).
Cam 3 is engaged on thread spindle 2 and including unshowned tapping, and the tapping is arranged for by screwing and spiral shell
Line axle 2 coordinates so that threadingly axle moves the rotating drive cam of cam 3.Cam 3 has inclined outer towards the thread spindle
Surface 7.Although the cam 3 being illustrated has the shape of the truncated cone, but other shapes are equally possible, such as with convex
Or the shape of concave outer surface 7.
The movable drive wheel 10 of the cam 3 is installed to be to be rotated freely on having threaded tenon shoulder 11 around thread spindle 2,
Installed as necessary by the intercalated nucleus 12 of loop-shaped annular in shape, the intercalated nucleus is preferably made up of ruby.
Movable drive wheel 10 includes the transmission device that driving cam 3 rotates.Under special circumstances, the transmission device is by two
Tenon 4 is formed, the tenon with bind mode be fixed to movable drive wheel 10 core on and along substantially with movable drive wheel 10
Plane is vertical and side substantially parallel with thread spindle 2 upwardly extends.These tenons 4 are through opening corresponding to being manufactured in cam 3
Mouthfuls 13, the cam can move along tenon, and tenon 4 and opening 13 are sized so that cam 3 is guided by tenon 4.Certainly,
The other shapes for the transmission device that driving cam 3 rotates are foreseeable, and the number of these transmission devices can be according to clock
The wish selection of watchmaker.For example, it is also possible to it is envisioned that substitute tenon 4 using geometries such as starlike, polygons, should
Geometry owns for the wheel hub of movable drive wheel 10, and also identical with the effect of transmission device.This geometry with
Correspondingly-shaped in cam 3 chamber interaction, this be in order to the transmission device of cam 3 is hidden and in fact from bridge side not
It can be seen that (in terms of the summit of cone).
Movable drive wheel 10 is applied to itself rotating element rotation driving in the two directions by going barrel, the rotation
Element is, for example, the roller or main shaft of going barrel.The situation of stackfreed mechanism is connected in going barrel (not shown)
Under, and the roller of going barrel is connected on stackfreed by chain, rope etc. in this case, the roller of usual going barrel turns
It is dynamic and the main shaft of going barrel is fixed.In this case, movable drive wheel 10 has external gear teeth 14, and the gear teeth are used for by leading to
The gear teeth for being frequently located in the protrusion of its periphery of going barrel directly or indirectly drive.
Mechanism 1 is additionally included in the probe 5 of pivoting in the element of the frame of timepiece movement (not shown), the end of probe
Portion 17 keeps contacting by recovery device (not shown) with the outer surface 7 of cam 3.It is known that when cam 3, threadingly axle 2 moves
When, 5 end 17 of popping one's head in follows outer surface 7.Advantageously, pop one's head in 5 end 17 is equipped with roller 6 in end, the roller quilt
It is installed as rotating freely on probe and is used as cam-follower.In order to reduce friction, roller 6 can be made or be had by ruby
There is suitable coating.
Probe 5 be connected to gear 16 be connected rack 15 on, the gear be connected to pin, disk etc. it
On the indicator (not shown) of the power reserve of class.Alternatively, rack 15 can be replaced by gear piece.Company between rack 15 and gear 16
Type is connect in the range of the those skilled in the art and need not be described in detail.
The operation principle of the indicating mechanism 1 of power reserve is illustrated referring now to Fig. 1 to 3 embodiment.
In configuration shown in the figure, the dynamic hair of original for the going barrel (not shown) that the indicating mechanism 1 of power reserve is connected
Bar is in release conditions.Therefore, cam 3 is located near movable drive wheel 10, and roller 6 at the minimum diameter of cam 3 near
Contacted with inclined surface 7.
When the original to going barrel, which moves clockwork spring, to be tightened, for example, the rotation of the roller due to going barrel, the edge of movable drive wheel 10
First direction of rotation rotates.In the presence of tenon 4, cam 3 rotates along the first direction of rotation around thread spindle 2.Thread spindle 2 is solid
It is fixed, cam 3 due to screw thread and threadingly axle 2 is moved and guided away from movable drive wheel 10, opening 13 by tenon 4.
When threadingly axle 2 moves cam 3,5 end 17 of popping one's head in follows the inclined surface 7 of cam 3, the inclined surface
Diameter is increased up in the side of movable drive wheel 10.Therefore, pop one's head in around the rotary shaft rotation of itself, while driven by rack 15
Moving gear 16.Therefore, the indicator (not shown) movement of power reserve so that indicate the power reserve increased.
When clockwork spring engine discharges, movable drive wheel 10 revolves on the second direction of rotation opposite with the first direction of rotation
Turn, cam 3 also moves towards the direction of movable drive wheel 10.The preceding paragraph fall described in action reversion, the indicator of power reserve
(not shown) moves so that indicates reduced power reserve.
It will be obvious to a person skilled in the art that it can be adopted according to the indicating mechanism of the power reserve of the present invention
Set with different modes to that indicated in the drawings, but carry out work in the same way.Such as, though it is foreseeable that the shape of cam 3
Shape be arranged to the negative shape shown in Fig. 1 to 3, i.e., the diameter that cam points to movable drive wheel 10 is minimum.This meaning
Taste the either direction that threadingly axle 2 moves of cam 3 and overturned, or is retracted (renvoi) at gear 16, or power storage
Standby reverse display.
Although present invention has disclosed the specific embodiment of reference, the present invention is not limited thereto specific example.
Those skilled in the art can store up on the premise of the scope of the present invention being defined by the following claims is not departed to power
The indicating mechanism of standby electricity modifies.
Claims (9)
1. the indicating mechanism (1) of a kind of power reserve for timepiece, it is characterised in that the indicating mechanism (1) includes：
- thread spindle (2), it is used to be coupled the rack component for being installed to the timepiece, so that the thread spindle is solid
It is fixed and can not rotate；
- cam (3), it has is arranged to pass through rotation towards the thread spindle (2) inclined outer surface (7), the cam (3)
Twist and coordinate with the thread spindle (2)；
- movable drive wheel (10), it is used for the cam (3), and the movable drive wheel (10) is used for by means of the timepiece
Going barrel rotate in the two directions, and include at least one transmission device (4) of the driving cam (3) rotation, institute
Transmission device is stated with the movable drive wheel to be coupled；
- probe (5), it contacts with the outer surface (7) of the cam (3) and is driven company with the indicator of power reserve
Connect.
2. the indicating mechanism (1) of the power reserve according to previous item claim, wherein, at least one transmission device
(4) include at least one tenon for being coupled with the movable drive wheel (10), at least one tenon be arranged to substantially with
The thread spindle (2) is parallel and passes through the corresponding opening (13) being arranged in the cam (3).
3. the indicating mechanism (1) of power reserve according to any one of the preceding claims, wherein, the cam (3) is
Circular cone shape.
4. the indicating mechanism (1) of power reserve according to claim 1 or 2, wherein, the movable drive wheel (10) is pacified
Fill to be rotated freely around the thread spindle (2).
5. the indicating mechanism (1) of power reserve according to claim 1 or 2, wherein, the probe (5) includes roller
(6), the roller is contacted and is installed to be with the outer surface (7) and rotated freely around the rocking bar for popping one's head in (5).
6. the indicating mechanism (1) of power reserve according to claim 5, wherein, the plane of the roller (6) is arranged to
Tangent line perpendicular to the outer surface (7).
7. a kind of watch and clock movement, including：
- going barrel, wherein being placed with former dynamic clockwork spring, the going barrel is connected with movable part with teeth, the movable part with teeth
For being rotated when the dynamic clockwork spring of original is tightened or discharged along two direction of rotation；
The indicating mechanism (1) of-power reserve according to any one of the claims, the thread spindle (2) are attached to
The rack component of the watch and clock movement, and the movable drive wheel (10) is connected with the movable part with teeth.
8. watch and clock movement according to claim 7, wherein, it is at least one effective：
- the movable part with teeth is the roller of the going barrel；
- the movable part with teeth directly engages with the movable drive wheel (10).
9. a kind of timepiece, including watch and clock movement according to claim 8.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13191468.1 | 2013-11-04 | ||
| EP13191468.1A EP2869137B1 (en) | 2013-11-04 | 2013-11-04 | Power reserve indicator mechanism |
| PCT/EP2014/073726 WO2015063336A2 (en) | 2013-11-04 | 2014-11-04 | Power reserve indicator mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105637431A CN105637431A (en) | 2016-06-01 |
| CN105637431B true CN105637431B (en) | 2017-11-24 |
Family
ID=49515277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480056918.6A Active CN105637431B (en) | 2013-11-04 | 2014-11-04 | The indicating mechanism of power reserve |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2869137B1 (en) |
| CN (1) | CN105637431B (en) |
| HK (1) | HK1219786A1 (en) |
| WO (1) | WO2015063336A2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1975746A2 (en) * | 2007-03-27 | 2008-10-01 | Seiko Epson Corporation | Timepiece |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1061171A (en) * | 1912-05-09 | 1913-05-06 | Wittnauer & Co A | Indicating mechanism for timepieces. |
| CH95250A (en) | 1921-09-08 | 1922-08-01 | Louis Brandt & Frere Sa | Mechanism indicating the winding and development of the mainspring of timepieces, such as watches and clocks. |
| GB185719A (en) * | 1921-09-08 | 1923-03-15 | Louis Brandt & Frere | Improved mechanism for indicating the degree of winding of the main spring in clockwork articles |
| CH330559A (en) | 1956-06-13 | 1958-06-15 | Brac S A | Automatic watch with winding oscillating weight |
| DE1063087B (en) * | 1956-06-13 | 1959-08-06 | Brac A G | Sequence counter for oscillating mass elevator clocks |
| JP3496544B2 (en) * | 1998-04-17 | 2004-02-16 | セイコーエプソン株式会社 | Mainspring device and clock |
| JP2003227883A (en) | 2002-02-04 | 2003-08-15 | Seiko Instruments Inc | Watch powered by mainspring |
-
2013
- 2013-11-04 EP EP13191468.1A patent/EP2869137B1/en active Active
-
2014
- 2014-11-04 CN CN201480056918.6A patent/CN105637431B/en active Active
- 2014-11-04 WO PCT/EP2014/073726 patent/WO2015063336A2/en active Application Filing
-
2016
- 2016-06-30 HK HK16107644.7A patent/HK1219786A1/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1975746A2 (en) * | 2007-03-27 | 2008-10-01 | Seiko Epson Corporation | Timepiece |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2869137A1 (en) | 2015-05-06 |
| CN105637431A (en) | 2016-06-01 |
| WO2015063336A2 (en) | 2015-05-07 |
| HK1219786A1 (en) | 2017-04-13 |
| EP2869137B1 (en) | 2019-12-25 |
| WO2015063336A3 (en) | 2015-09-11 |
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