CN2833660Y - Multi-second-hand bouncing return mechanism - Google Patents
Multi-second-hand bouncing return mechanism Download PDFInfo
- Publication number
- CN2833660Y CN2833660Y CN 200520041255 CN200520041255U CN2833660Y CN 2833660 Y CN2833660 Y CN 2833660Y CN 200520041255 CN200520041255 CN 200520041255 CN 200520041255 U CN200520041255 U CN 200520041255U CN 2833660 Y CN2833660 Y CN 2833660Y
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- wheel
- wheel assembly
- pointer
- hand
- hairspring
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Abstract
The utility model relates to a multi-second-hand bouncing return mechanism for a watch, which comprises a power source driving wheel on barrel assembly, a center wheel assembly, a three-wheel assembly, small second wheel assemblies and a double-second-hand bouncing return mechanism or one/three-second-hand bouncing return mechanism, wherein the double-second-hand mechanism comprises a left and a right pointer wheel assemblies, a second wheel piece of the small second wheel assembly is an incomplete gear wheel and engaged with the left and the right pointer wheel assemblies by turns, and each hand wheel is provided with a hairspring resetting mechanism. The three-second-hand mechanism comprises a left resetting wheel assembly, a left hand a second wheel piece of the small second wheel assembly is an incomplete gear wheel and is engaged with the left and the right resetting wheel assemblies and a six bit pointer wheel assembly by turns; the left resetting wheel assembly is engaged with the left pointer wheel assembly, and the right resetting wheel assembly is engaged with the right pointer wheel assembly; the left and the right pointer wheel assembly and the six bit pointer wheel assembly are provided with the hair spring resetting mechanism.
Description
Technical field
The utility model relates to timer, is specifically related to a kind of bouncing mechanism of wrist-watch second hand.
Background technology
In recent years, occurred various pointer bouncing mechanisms in the wrist-watch, promptly pointer springs back to starting point in the other direction rapidly after positive dirction turns an angle, and then again along the positive dirction starting, so goes round and begins again, with indication cycle regular hour.This novel pointer bouncing mechanism has been broken through pointer all the time around the pattern of a direction rotation, therefore gives the sensation of a kind of novelty of consumer, is subjected to consumer's welcome.This second hand spring is returned the aircraft structure and is had only the simple relatively simple pointer bouncing mechanism of mechanism at present, reed commonly used is made the spring part during resilience, because passing to second hand from power source has been the 4th joint, inaccurate or stop walking when having resistance will cause the table machine to walk slightly, therefore as the elasticity of the spring part of selecting for use is excessive will influence the timekeeping performance of wrist-watch or cause the pointer wheel location inaccurate, even second wheel and pointer wheel apical tooth phenomenon occur.
Summary of the invention
The purpose of this utility model is to propose a kind of many second hand springs and returns the aircraft structure, comprises crosspointer bouncing mechanism and three pin bouncing mechanisms, so that wrist-watch can create more fangle, further satisfies the demands of consumers, and increases the market competitiveness of wrist-watch.
Another purpose of the present utility model is to adopt in described bouncing mechanism hairspring to make the spring part, to overcome the multiple deficiency that adopts reed to make the spring part.
Another purpose of the present utility model is to improve the fixed mechanism of hairspring commonly used at present, to simplify production technology, improves product quality and production efficiency.
The aircraft structure is returned in the many second hand springs of a kind of wrist-watch of the present utility model, mainly comprise a power source driving wheel on barrel assembly, a center wheel assembly, a tricycle assembly and little second wheel assembly, described power source driving wheel on barrel and center wheel assembly engagement, center wheel assembly and the engagement of little second wheel assembly comprise also that in addition the aircraft structure is returned in split-second(-hand) spring or the aircraft structure is returned in the spring of one or three second hands; Described split-second(-hand) spring is returned the aircraft structure and is comprised a left pointer wheel assembly and a right indicating hand component, second wheel sheet in its medium and small second wheel assembly is a partial gear, with left pointer wheel assembly and the engagement of right pointer wheel assembly, on left and right pointer wheel, be equipped with the hairspring resetting-mechanism in turn; Stating three second hands springs returns the aircraft structure and comprises a left reseting wheel assembly and a left pointer wheel assembly, a right reseting wheel assembly and a right pointer wheel assembly and one " 6 " word bit pointer wheel assembly, second wheel sheet in its medium and small second wheel assembly is a partial gear, in turn with left reseting wheel assembly, right reseting wheel assembly and the engagement of " 6 " word bit pointer wheel assembly; Described left reseting wheel assembly meshes with left pointer wheel assembly again, and right reseting wheel assembly meshes with right pointer wheel assembly again; Be equipped with the hairspring resetting-mechanism on left side pointer wheel assembly, right pointer wheel assembly and " 6 " the word bit pointer wheel assembly.
Advantage of the present utility model is: wrist-watch has adopted many second hand springs to return the aircraft structure, and style is more novel, has increased the market competitiveness; In described bouncing mechanism, adopt hairspring to make the spring part simultaneously, make resilience mechanism drop to minimum the influence of timekeeping performance; Return in the aircraft structure in the spring of three second hands, further the hairspring resetting-mechanism is improved, reduced number of spare parts, simplified processing technology, also solved the inaccurate and wheel sheet grazing problem in recurrent location in the assembling movement.
Description of drawings
Now with the following Examples and accompanying drawing the utility model is described in further detail.
Fig. 1 returns the schematic top plan view of an embodiment of aircraft structure for the spring of wrist-watch split-second(-hand);
Fig. 2 returns the schematic top plan view of an embodiment of aircraft structure for the spring of wrist-watch three second hands;
Fig. 3 returns the hairspring fixed form diagrammatic cross-section in the aircraft structure for wrist-watch three second hands bounce;
Fig. 4 is the vertical view of Fig. 3.
Among the figure: 1,7 power source driving wheel on barrel assemblies, 2,8 center wheel assemblies, 3,9 tricycle assemblies, 4,13 right pointer wheel assemblies, 5,10 little second hand wheel assemblies, 6,14 left pointer wheel assemblies, 11 " 6 " word bit pointer wheel assemblies, 12 right reseting wheel assemblies, 15 left reseting wheel assemblies, 16,17,18,19,20 hairspring bouncing mechanisms, 21 hairsprings, 22 pointer wheel shafts, 23 hairspring studs.
Embodiment
Embodiment 1: the aircraft structure is returned in the split-second(-hand) spring
As shown in Figure 1, the power of mechanism spreads out of from power source driving wheel on barrel assembly 1, drive center wheel assembly 2, tricycle assembly 3,5 rotations of little second wheel assembly successively, incomplete tooth second wheel sheet 5a in the little second wheel assembly 5 meshes with left and right pointer wheel 6,4 in turn, and drive pointer crop rotation gap rotation, on left and right pointer wheel, be respectively equipped with hairspring resetting-mechanism 16,17, when second wheel sheet 5a and certain pointer wheel drop out of gear, this pointer wheel spring returned flown to reset.In this mechanism, described second wheel sheet 5a is the partial gear sheet that one 44 teeth stay 20 teeth, be 56 teeth with the left and right pointer wheel of second wheel sheet 5a engagement, left and right like this pointer wheel can be under the drive of second wheel sheet 5a rotation time identical, be 30 seconds, rotate 130 ° of about 360 ° * 20/56 ≈, so left and right pointer wheel also can be made into partial gear here.
When 5 rotations of little second wheel assembly, second wheel sheet 5a in case with a certain pointer wheel engagement, then drive this pointer wheel rotation, in case with a certain pointer wheel drop out of gear, then the zero-bit that flies back is returned in the spring in the other direction immediately under the effect of hairspring resetting-mechanism of this pointer wheel.Because little second wheel assembly per minute rotates a circle, so meshing 30 seconds and drove it, second wheel sheet 5a and left pointer wheel 6 rotate 130 ° of about 360 ° * 20/56 ≈, mesh with left pointer wheel 6 drop out of gears and with right pointer wheel 4 then, left pointer wheel 6 behind the drop out of gear returns zero in the other direction rapidly under the effect of hairspring resetting-mechanism 16, next second wheel sheet 5a drives right pointer wheel 4 rotations 30 seconds, also mesh with left pointer wheel 6 once more with right pointer wheel 4 drop out of gears again then, the right pointer wheel behind the drop out of gear 4 is zero next time in the effects of hairspring resetting-mechanism 17 equally simultaneously.Left and right pointer wheel like this is rotated in turn, returns in turn and flies back zero, has formed together special scenery on wrist-watch.
Usually, return in the aircraft structure in the split-second(-hand) spring of the identical symmetrical expression of the left and right pointer wheel number of teeth, if not exclusively the tooth second wheel sheet number of teeth that 5a stays is n, desirable n=(Z/2)-2, in the formula: Z is the number of teeth of complete tooth second wheel sheet 5a.
The aircraft structure is returned in embodiment second hand spring in 2: three
As Fig. 2, the power of mechanism spreads out of from power source driving wheel on barrel assembly 7, drive center wheel assembly 8 successively, tricycle assembly 9, behind the little second wheel assembly 10, incomplete tooth second wheel sheet 10a in the little second wheel assembly 10 takes turns and left reseting wheel assembly 15, right reseting wheel assembly 12 and 11 engagements of " 6 " word bit pointer wheel assembly, left side reseting wheel assembly 15 meshes with left pointer wheel assembly 14 again, right reseting wheel assembly 12 meshes left pointer wheel assembly 14 with right pointer wheel assembly 13 again, be respectively equipped with hairspring bouncing mechanism 18 on right pointer wheel assembly 13 and " 6 " the word bit pointer wheel assembly 11,19,20.In this mechanism, the number of teeth of left and right reseting wheel is identical, and left and right pointer wheel is identical with " 6 " word bit pointer wheel number of teeth, and rotation time is identical.Second wheel sheet 10a in the at this moment little second wheel assembly 10 is the partial gear sheet that 34 teeth stay 9 teeth, all be all 34 teeth with left and right pointer wheel 14,13 and " 6 " word bit pointer wheel 11 of second wheel sheet 10a engagement, mechanism is identical with split-second(-hand), and the left and right pointer wheel here and " 6 " word bit pointer wheel also can be made into partial gear.
Second wheel sheet 10a drives left pointer wheel assembly 14 rotations after 20 seconds by left reseting wheel assembly 15 earlier, left side pointer wheel assembly 14 is zero next time in the effect of hairspring resetting-mechanism 18, then, second wheel sheet 10a drives right pointer wheel assembly 13 rotations after 20 seconds by right reseting wheel assembly 12, right pointer wheel assembly 13 is zero next time in the effect of hairspring resetting-mechanism 19, then, second wheel sheet 10a directly drove 11 rotations of " 6 " word bit pointer wheel assembly after 20 seconds, effect at hairspring resetting-mechanism 20 is zero next time, so left, right pointer wheel assembly 14,13 and " 6 " word bit pointer wheel assembly 11 rotate in turn, return in turn and fly back zero, constantly circulation forms the spring of three second hands and returns and fly.
Usually, the number of teeth at left and right reseting wheel is identical, and the three second hands spring of the symmetrical expression that left and right pointer wheel and " 6 " word bit pointer wheel number of teeth are identical is returned in the aircraft structure, if not exclusively the tooth second wheel sheet number of teeth that 10a stays is n, then desirable n ≈ (Z/3)-3, Z is the number of teeth of complete tooth second wheel sheet 10a in the formula.
In the hairspring resetting-mechanism, because traditional hairspring fixing means is that the hairspring outer end is bonded on the hairspring stud by laser, refill on the stud pipe of supporting spring down, and down supporting spring be contained in auxiliary clamping plate below, also need a plurality of flute profiles of processing on bottom plate, the technology more complicated.The utility model improves with fit the fixing of the hairspring in the hairspring resetting-mechanism 21, the inner 21a of hairspring still adopts the method that is press-fitted to be installed on pointer wheel shaft 22, hairspring outer end 21b changes interior hook-type into, is set on the hairspring stud 23, as shown in Figure 3, Figure 4.Improve the every cover hairspring resetting-mechanism in back like this and can save 8 parts, the spring of three second hands is returned the aircraft structure and can be saved 24 parts, and letter lacked operation, simplified technology, has broken through the hairspring outer end and has been difficult to the difficult problem of assembling and locating.
Claims (8)
1. the aircraft structure is returned in the spring of second hand more than a kind, mainly comprise a power source driving wheel on barrel assembly, a center wheel assembly, a tricycle assembly and little second wheel assembly, described power source driving wheel on barrel and center wheel assembly engagement, center wheel assembly and the engagement of little second wheel assembly is characterized in that:
Comprise that also the aircraft structure is returned in split-second(-hand) spring or the aircraft structure is returned in the spring of one or three second hands;
Described split-second(-hand) spring is returned the aircraft structure and is comprised a left pointer wheel assembly and a right indicating hand component, second wheel sheet in its medium and small second wheel assembly is a partial gear, with left pointer wheel assembly and the engagement of right pointer wheel assembly, on left and right pointer wheel, be equipped with the hairspring resetting-mechanism in turn;
Described three second hands spring is returned the aircraft structure and is comprised a left reseting wheel assembly and a left pointer wheel assembly, a right reseting wheel assembly and a right pointer wheel assembly and one " 6 " word bit pointer wheel assembly, second wheel sheet in its medium and small second wheel assembly is a partial gear, in turn with left reseting wheel assembly, right reseting wheel assembly and the engagement of " 6 " word bit pointer wheel assembly; Described left reseting wheel assembly meshes with left pointer wheel assembly again, and right reseting wheel assembly meshes with right pointer wheel assembly again; Be equipped with the hairspring resetting-mechanism on left side pointer wheel assembly, right pointer wheel assembly and " 6 " the word bit pointer wheel assembly.
2. the aircraft structure is returned in many second hand springs according to claim 1, it is characterized in that returning in the aircraft structure in the split-second(-hand) spring, described incomplete tooth second wheel sheet stays number of teeth n=(Z/2)-2, and Z is the number of teeth of complete tooth for the second wheel sheet in the formula, and is identical with the left and right pointer wheel number of teeth of second wheel sheet engagement.
3. the aircraft structure is returned in many second hand springs according to claim 2, it is characterized in that described second wheel sheet is the partial gear that 44 teeth stay 20 teeth, and the left and right pointer wheel that meshes with the second wheel sheet is 56 teeth.
4. return the aircraft structure according to claim 1,2 or 3 described many second hand springs, it is characterized in that returning in the aircraft structure in the split-second(-hand) spring, the inner of the hairspring of described hairspring resetting-mechanism is fixed on the pointer wheel shaft, and the outer end of hairspring is fixed on the hairspring stud.
5. the aircraft structure is returned in many second hand springs according to claim 1, it is characterized in that returning in the aircraft structure in the spring of three second hands, and described incomplete tooth second wheel sheet stays number of teeth n ≈ (Z/3)-3, and Z is the number of teeth of complete tooth second wheel sheet in the formula; And the described left and right reseting wheel assembly number of teeth is identical, and left and right pointer wheel assembly and " 6 " word bit pointer wheel assembly number of teeth are identical.
6. the aircraft structure is returned in many second hand springs according to claim 5, it is characterized in that described second wheel sheet is the partial gear that 34 teeth stay 9 teeth, and left and right pointer wheel and " 6 " word bit pointer wheel are 34 teeth.
7. return the aircraft structure according to claim 1,5 or 6 described many second hand springs, it is characterized in that the inner of the hairspring of described hairspring resetting-mechanism is fixed on the pointer wheel shaft, the outer end of hairspring is fixed on the hairspring stud.
8. the aircraft structure is returned in many second hand springs according to claim 7, it is characterized in that the inner of described hairspring is press-fit on the pointer wheel shaft, and the outer end of hairspring is interior hook-type, is sheathed on the hairspring stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520041255 CN2833660Y (en) | 2005-04-29 | 2005-04-29 | Multi-second-hand bouncing return mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520041255 CN2833660Y (en) | 2005-04-29 | 2005-04-29 | Multi-second-hand bouncing return mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2833660Y true CN2833660Y (en) | 2006-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520041255 Expired - Fee Related CN2833660Y (en) | 2005-04-29 | 2005-04-29 | Multi-second-hand bouncing return mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN2833660Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607456A (en) * | 2014-11-13 | 2016-05-25 | 钟表制作有限公司 | Split-seconds device with epicycloidal train for timepiece |
-
2005
- 2005-04-29 CN CN 200520041255 patent/CN2833660Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607456A (en) * | 2014-11-13 | 2016-05-25 | 钟表制作有限公司 | Split-seconds device with epicycloidal train for timepiece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061101 Termination date: 20100429 |