CN2593237Y - Flyback dual second-hand indicating mechanism - Google Patents
Flyback dual second-hand indicating mechanism Download PDFInfo
- Publication number
- CN2593237Y CN2593237Y CN 02293972 CN02293972U CN2593237Y CN 2593237 Y CN2593237 Y CN 2593237Y CN 02293972 CN02293972 CN 02293972 CN 02293972 U CN02293972 U CN 02293972U CN 2593237 Y CN2593237 Y CN 2593237Y
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- Prior art keywords
- wheel
- sector
- fan
- wheel sheet
- shaped
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- Expired - Fee Related
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Abstract
The utility model relates to a flyback dual-short second hand indicating mechanism. The 'seconds' of the utility model adopt two short second hands to indicate piecewise, and the second hands can quickly fly back to a starting point as soon as the second hands run to a setting end point. The flyback dual-short second hand indicating mechanism is provided with a sector control wheel (9) which works together with a three-passing wheel (8) coaxially, two sector gears are in symmetric distribution and are arranged on the sector control wheel (9), and the time of quarter round of each rotation of each sector gear is 30 seconds; a sector A second wheel sheet (10) which works together with an A second hand (1) coaxially and a sector B second wheel sheet (13) which works together with a B second hand (2) coaxially are symmetrically distributed at both sides of the three-passing wheel (8); a sector gear of the sector A second wheel sheet (10) and a sector gear of the B second wheel sheet (13) are engaged with the sector gear of the sector control wheel (9) in quarter round and in turn; in addition, the utility model is provided with a restoring spring which is utilized to cause the sector A second wheel sheet (10) and the B second wheel sheet (13) to be restored to a starting position instantly. The utility model has the advantages of reasonable design, novel structure and interesting effect.
Description
Technical field
The utility model relates to a kind of clock and watch " second " moment indicating mechanism, specifically is the two short second indicating mechanisms of a kind of flying back type, and " second " of this mechanism, second runner can rapidly turn back to starting point in a flash to the setting terminal point by two short second hand segmentations indications.
Background technology
" second " employing center second (or claiming sweep second hand) or the short second hand indication of the machinery of China's production now and quartz clock, these two kinds of second hands all are the continuous rotating operations of rotation center that center on self, texture ratio is dullness, lacks temperament and interest.About the second indicating mechanism of discontinuous operation, up to the present, in Chinese patent literature, do not find as yet.
Summary of the invention
The utility model technical issues that need to address are, provide a kind of " second " by two short second hand segmentations indications, and second runner can rapidly turn back to starting point in a flash to what set terminal point, the flying back type of novel structure two short second of indicating mechanisms.
The two short second indicating mechanisms of clock and watch flying back type of the present utility model are:
1) fan-shaped control wheel and the coaxial interlock of three third wheels have two sector gears to be symmetrically distributed on it, and the time in moving 1/4th weeks of its revolution is 30 seconds;
2) be distributed in three third wheel both sides symmetrically with the fan-shaped A second wheel sheet of the coaxial interlock of A second hand with the fan-shaped B second wheel sheet of the coaxial interlock of B second hand, both separately sector gears order and the sector gear of fan-shaped control wheel meshed for 1/4th weeks;
3) A return spring and B return spring all are fixed on the substrate of movement, its head respectively be fixed on fan-shaped A second wheel sheet and fan-shaped B second wheel sheet on A contact by nail by nail and B, its elastic force can force fan-shaped A second wheel sheet and fan-shaped B second wheel sheet moment to be returned to reference position.
The utility model is reasonable in design, and novel structure is the two short second indicating mechanisms of a kind of pleasant clock and watch flying back type.
Description of drawings
Fig. 1 is a schematic appearance of the present utility model;
Fig. 2 is the plane transmission synoptic diagram of embodiment;
Fig. 3 is the axial transmission synoptic diagram of embodiment;
Fig. 4～Fig. 7 is the operational process decomposing schematic representation of embodiment.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment.Fan-shaped control the wheel 9 and three third wheels 8 coaxial interlocks of this example have two sector gears to be symmetrically distributed on it, the time in moving 1/4th weeks of its revolution is 30 seconds.Be distributed in three third wheels, 8 both sides symmetrically, both sector gears order separately and sector gear 1/4th weeks of engagement of fan-shaped control wheel 9 with the fan-shaped A second wheel sheet 10 of A second hand 1 coaxial interlock with the fan-shaped B second wheel sheet 13 of B second hand 2 coaxial interlocks.A return spring 12 and B return spring 15 all are fixed on the substrate of movement, its head respectively be fixed on fan-shaped A second wheel sheet 10 and fan-shaped B second wheel sheet 13 on A contact by following closely 14 by nail 11 and B, its elastic force can force fan-shaped A second wheel sheet 10 and 13 moments of fan-shaped B second wheel sheet to be returned to reference position.
In Fig. 2 and Fig. 3, clock and watch drive second pinion 4 rotations through the series of gears transmission by three third wheels 3, and with the also clockwise direction rotation simultaneously of second wheel sheet 5 of second pinion 4 interlocks, per minute rotated for 1 week.Second wheel sheet 5 drives three third wheel 8 rotations counterclockwise by a third wheel 6, two third wheels 7 again, with the also rotation counterclockwise simultaneously of fan-shaped control wheel 9 of three third wheels, 8 interlocks.Second wheel sheet 5 is 19 teeth, and three third wheels are 38 teeth, so three third wheels 8 and fan-shaped control wheel 9 all are that per minute changeed for 1/2nd weeks, the time that promptly fan-shaped control wheel 9 changeed for 1/4th weeks is 30 seconds.Fan-shaped control wheel 9 is discontinuous engagement with fan-shaped A second wheel sheet 10, fan-shaped control wheel 9 with fan-shaped B second wheel sheet 13, and be 30 seconds both effective engagement times.When both are in engagement, with the A second hand 1 of fan-shaped A second wheel sheet 10 interlocks, with the also clockwise direction operation simultaneously of B second hand 2 of fan-shaped B second wheel sheet 13 interlocks, indication " second " is constantly; Both are in a flash out-of-gear, because the elastic force effect of A return spring 12, B return spring 15 can force A second wheel sheet 10 and fan-shaped B second wheel sheet 13 reversing counterclockwise, A second hand 1 or B second hand 2 have just been got back to original starting point again.
Fig. 4～Fig. 7 is the operational process decomposing schematic representation of present embodiment.Fig. 4 is a reference position, A second hand 1 indication " 0 " this moment, and fan-shaped control wheel 9 is about to mesh but not engagement as yet with A second wheel sheet 10.Fan-shaped control wheel 9 continues rotation counterclockwise, 0 second to 30 second period of A second hand 1 clockwise direction operation indication " second " constantly, when fan-shaped control wheel 9 turned over for 1/4th weeks in a flash, A second hand 1 indication " 30 " this moment, it is the state of Fig. 5, fan-shaped control wheel 9 breaks away from engagement with A second wheel sheet 10, the head of A return spring 12 11 closely contacts by nail with A on being fixed on A second wheel sheet 10, elastic force obtained discharging when compressed this moment to greatest extent, force 10 reversings of A second wheel sheet to get back to reference position, the A second hand is designated as " 0 ", and fan-shaped control wheel 9 beginnings are meshed with B second wheel sheet 13, promptly arrive the state of Fig. 6.Fan-shaped control wheel 9 continues rotation, " second " that drive 2 30 seconds to the 60 second periods of indication of B second hand constantly.To be B return spring 15 be about to get back to reference position, fan-shaped control wheel 9 and B second wheel sheet 13 by compression, B second hand 2 to greatest extent to Fig. 7 is about to break away from engagement and is about to the momentary status that begins to mesh with fan-shaped A second wheel sheet 10 again, just get back to the state of Fig. 4 after this passes by in a flash again, thereby finished once circulation.
Claims (1)
1, the two short second indicating mechanisms of a kind of clock and watch flying back type is characterized in that:
1) fan-shaped control wheel (9) and the coaxial interlock of three third wheels (8) have two sector gears to be symmetrically distributed on it, and the time in moving 1/4th weeks of its revolution is 30 seconds;
2) with the fan-shaped A second wheel sheet (10) of the coaxial interlock of A second hand (1), be distributed in three third wheels (8) both sides symmetrically with fan-shaped B second wheel sheet (13), both the sector gear order separately and sector gear 1/4th weeks of engagement of fan-shaped control wheel (9) with the coaxial interlock of B second hand (2);
3) A return spring (12) and B return spring (15) all are fixed on the substrate of movement, its head respectively be fixed on fan-shaped A second wheel sheet (10) and fan-shaped B second wheel sheet (13) on A contact by following closely (14) by nail (11) and B, its elastic force can force fan-shaped A second wheel sheet (10) and fan-shaped B second wheel sheet (13) moment to be returned to reference position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02293972 CN2593237Y (en) | 2002-12-21 | 2002-12-21 | Flyback dual second-hand indicating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02293972 CN2593237Y (en) | 2002-12-21 | 2002-12-21 | Flyback dual second-hand indicating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2593237Y true CN2593237Y (en) | 2003-12-17 |
Family
ID=33751657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02293972 Expired - Fee Related CN2593237Y (en) | 2002-12-21 | 2002-12-21 | Flyback dual second-hand indicating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2593237Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162382B (en) * | 2006-10-10 | 2010-06-02 | 精工爱普生株式会社 | Timepiece |
| CN101107577B (en) * | 2005-01-24 | 2010-06-16 | 精工爱普生株式会社 | Display device for timepiece, movement, and timepiece |
| CN101057189B (en) * | 2004-11-10 | 2010-10-06 | 精工爱普生株式会社 | Timepiece display apparatus and timepiece |
| CN101611356B (en) * | 2007-01-30 | 2011-07-13 | 浪琴弗朗西龙手表有限公司 | Time piece displaying the current time and including at least a first and a second display device of a magnitude related to time |
| CN105607456A (en) * | 2014-11-13 | 2016-05-25 | 钟表制作有限公司 | Split-seconds device with epicycloidal train for timepiece |
-
2002
- 2002-12-21 CN CN 02293972 patent/CN2593237Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101057189B (en) * | 2004-11-10 | 2010-10-06 | 精工爱普生株式会社 | Timepiece display apparatus and timepiece |
| CN101107577B (en) * | 2005-01-24 | 2010-06-16 | 精工爱普生株式会社 | Display device for timepiece, movement, and timepiece |
| CN101162382B (en) * | 2006-10-10 | 2010-06-02 | 精工爱普生株式会社 | Timepiece |
| CN101611356B (en) * | 2007-01-30 | 2011-07-13 | 浪琴弗朗西龙手表有限公司 | Time piece displaying the current time and including at least a first and a second display device of a magnitude related to time |
| 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: 20031217 Termination date: 20111221 |