CN105446113A - Watch chain transmission tension adjusting mechanism - Google Patents
Watch chain transmission tension adjusting mechanism Download PDFInfo
- Publication number
- CN105446113A CN105446113A CN201410440320.9A CN201410440320A CN105446113A CN 105446113 A CN105446113 A CN 105446113A CN 201410440320 A CN201410440320 A CN 201410440320A CN 105446113 A CN105446113 A CN 105446113A
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- sprocket
- chain
- base plate
- shaft
- wheel
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- 230000005540 biological transmission Effects 0.000 title abstract description 7
- 241001280173 Crassula muscosa Species 0.000 title abstract 2
- 230000001105 regulatory effect Effects 0.000 claims description 34
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The invention discloses a watch chain transmission tension adjusting mechanism, which comprises a bottom plate, a chain, an adjusting ring, a main chain wheel component and a chain wheel component, wherein the chain is arranged on the bottom plate; a main chain wheel shaft is pressed on the bottom plate, a main chain wheel component is sleeved on the main chain wheel shaft, and the main chain wheel component can freely rotate around the chain wheel shaft; the bottom plate is provided with an adjusting ring, a small long hole is formed in the bottom plate, a long hole is formed in the inner ring of the adjusting ring, the small long hole in the bottom plate and the long hole in the adjusting ring are overlapped in a staggered layer, a sprocket shaft capable of moving freely is installed in the overlapped hole, and a sprocket component is installed on the sprocket shaft and can rotate freely around the slave sprocket shaft; the main sprocket assembly and the sprocket assembly support a chain. The beneficial effects are that: under the action of a tool, the adjusting ring rotates, and the movable chain wheel shaft drives the chain wheel component arranged on the movable chain wheel shaft to move towards the machine core side along the four long holes on the bottom plate, so that the tensioning or loosening action of the chain is realized; the chain transmission mechanism is simple in structure and convenient to assemble, and reliability and stability of chain transmission are effectively guaranteed.
Description
Technical field
The present invention relates to a kind of regulating device of chain drive tensile force, particularly relate to the tensile force adjusting mechanism of a kind of wrist-watch persond eixis chain drive.
Background technology
The major function of mechanical watch is the reading time, and in numerous mechanical watch movement structures, the mechanical mechanism of instruction time has a variety of, and wherein the gear train of chain is wherein comparatively novel one.
It is high that chain structure has transmission efficiency, be suitable for the feature that low-speed big rotates, but chain is because of its soft variable characteristic, chain has sagging and occurs in transmission process, although sagging phenomenon can be improved by tensioning chain, but the tension that chain can not be drawn, chain tension can affect the reliability and stability of chain drive.
Patent publication No. is CN203133482U, denomination of invention is chain transmission type wrist-watch time indication mechanism, which disclose a kind of persond eixis structure of chain drive, the governor motion that this movement adopts is that four rockers connect four sprocket assemblies, four rockers are connected by screw on clamping plate, by eccentric adjustment nail, clamping plate are rotated, thus drive four sprocket assemblies to move along the elongated slot on base plate, by sprocket assembly, to movement, inner or outside motion carrys out the tensile force between adjusting chain.Although the governor motion of this movement can reach the regulating action to chain, its complex structure, number of parts is too much, causes certain difficulty to assembling and processing.
Summary of the invention
Inventing technical matters to be solved is, provides a kind of structure simple, the governor motion of wrist-watch chain tension easy to adjust.
Inventing the technical scheme adopted is: a kind of tensile force adjusting mechanism of wrist-watch chain drive, comprises, base plate, chain, regulating ring, head sprocket parts and sprocket assembly; On described base plate, pressing has main chain wheel, and described head sprocket parts are sleeved on main chain wheel, and head sprocket parts can rotate freely around sprocket shaft; Described base plate is provided with regulating ring, described base plate is formed with little elongated hole, described regulating ring inner ring is formed with elongated hole, little elongated hole on base plate and the elongated hole staggered floor partial stack on regulating ring, be provided with in hole after superposition can be freely movable sprocket shaft, described sprocket shaft is provided with sprocket assembly, and sprocket assembly freely can rotate around from sprocket shaft; Described head sprocket parts and sprocket assembly support chains.
Little elongated hole on described base plate and the elongated hole width on regulating ring can be tangent with sprocket shaft, and sprocket shaft can be free to slide in elongated hole.
On described base plate, pressing has position to follow closely, and institute's rheme nails on and is provided with back gear sheet, and back gear sheet freely can rotate around position nail; Described back gear sheet engages with head sprocket parts and minute wheel sheet respectively, and described head sprocket parts drive chain to rotate.
Described head sprocket parts comprise the back gear sheet of riveted at main wheel pipe both ends and sprocket wheel; Described back gear sheet engages with setting pinion; Described sprocket assembly comprises the sprocket wheel of riveted on wheel pipe; Described sprocket wheel engages with chain.
On described base plate, pressing has position to follow closely, and the outer ring of described regulating ring is formed with two symmetrical adjustment holes, and position nail is in adjustment hole, and nail restriction regulating ring in position is around the scope of central rotation; The outer peripheral face of described regulating ring is formed with two symmetrical breach.
Described sprocket assembly and sprocket shaft have 7 respectively, and wherein, 4 sprocket shafts can freely be arranged, and 3 are pressed together on base plate 1 with sprocket shaft.
The beneficial effect of the invention is: under the effect of instrument, and regulating ring rotates, and carries out making movable sprocket shaft drive sprocket assembly mounted thereto along the elongated hole of four on base plate to movement lateral movement, realizes tensioning or the relexation of chain; This structure is simple, easy to assembly, effectively ensure that the reliability and stability of chain drive.
Accompanying drawing explanation
Fig. 1 is the floor map of the present invention for the tensile force adjusting device of chain drive;
Fig. 2 is the floor map of the present invention for regulating ring part in the tensile force adjusting device of chain drive;
Fig. 3 is the axial schematic diagram of the tensile force adjusting mechanism head sprocket parts assembled portion of wrist-watch chain drive of the present invention;
Fig. 4 is the tensile force adjusting mechanism head sprocket parts perspective exploded view of wrist-watch chain drive of the present invention;
Fig. 5 is the axial schematic diagram of the tensile force adjusting mechanism sprocket assembly assembled portion of wrist-watch chain drive of the present invention;
Fig. 6 is the tensile force adjusting mechanism sprocket assembly perspective exploded view of wrist-watch chain drive of the present invention.
In figure:
1. base plate 2. minute wheel sheet 3. back gear sheet 4. setting pinion 5. sprocket wheel
6. chain 7. regulating ring 8. nail 9. clench nail 10a. main wheel pipes
10b. takes turns pipe 11a. head sprocket parts 11b. sprocket assembly
12a. main chain wheel 12b. sprocket shaft.
Embodiment
Below, be described in further details with the tensile force adjusting mechanism of embodiment to wrist-watch persond eixis of the present invention chain drive by reference to the accompanying drawings:
As shown in Figures 1 to 6, the tensile force adjusting mechanism of a kind of wrist-watch chain drive of the present invention, comprises, base plate 1, chain 6, regulating ring 7, head sprocket parts 11a and sprocket assembly 11b; The power of governor motion is spread out of by minute wheel sheet 2, and minute wheel sheet 2 clockwise direction rotates; On base plate 1, pressing has position to follow closely and main chain wheel 12a, and institute's rheme nails on and is provided with back gear sheet 3, and back gear sheet 3 freely can rotate around position nail; Described head sprocket parts 11a comprises the back gear sheet 4 of riveted at main wheel pipe 10a both ends and sprocket wheel 5; Described back gear sheet 3 engages with setting pinion 4 and minute wheel sheet 2 respectively, and minute wheel sheet 2 drives back gear sheet 3 in counterclockwise rotating, and minute wheel sheet 2 drives setting pinion 4 to rotate in clockwise direction; Described main wheel pipe 10a is sleeved on main chain wheel 12a, and main wheel pipe 10a can rotate freely around main chain wheel 12a, and the sprocket wheel 5 be arranged on main wheel pipe 10a engages with chain 6, drives chain 6 to rotate; Described sprocket assembly 11b comprises the sprocket wheel 5 of riveted on wheel pipe 10b; Wheel pipe 10b is sleeved on sprocket shaft 12b, and wheel pipe 10b can rotate freely around sprocket shaft 12b, and the sprocket wheel 5 be arranged on wheel pipe 10b engages with chain 6, drives chain 6 to rotate.
Described base plate 1 is provided with regulating ring 7, described base plate 1 is formed with four little elongated hole 1a, 1b, 1c, 1d, wherein the width dimensions of elongated hole is determined according to the size of sprocket shaft, tangent with sprocket shaft, and sprocket shaft can be made can be free to slide in elongated hole, the position of elongated hole and length are determined according to the position of sprocket assembly and the scope that will regulate; Described regulating ring 7 inner ring is formed with four elongated holes 7a, 7b, 7c, 7d, wherein the width dimensions of elongated hole is determined according to the size of sprocket shaft, tangent with sprocket shaft, the position of elongated hole will be corresponding with on base plate elongated hole design at an angle, the scope that concrete angle adjusts according to sprocket assembly and determining, namely, as smaller in wanted setting range, angle then between elongated hole is just smaller, otherwise then larger, and angle can not equal 90 °; But angle again can not be too little, too little words can make sprocket assembly too short to the adjustment distance outside movement, do not reach effect chain being adjusted to suitable tensioning degree; Four elongated holes of described base plate 1 and four elongated holes of regulating ring 7 inner ring intersect between two in levels stacking pattern respectively; Be provided with the sprocket shaft 12b that can be free to slide in hole after superposition, described sprocket shaft 12b is provided with sprocket assembly 11b, sprocket assembly 11b freely can rotate around from sprocket shaft 12b; Described head sprocket parts 11a and sprocket assembly 11b support chains 6, sprocket assembly 11b has 7, is enclosed within respectively on 7 sprocket shaft 12b, and all freely can rotate around sprocket shaft 12b; Wherein, 4 sprocket shaft 12b can freely be arranged, and 3 sprocket shaft 12b are pressed together on base plate 1.On described base plate 1, pressing has position to follow closely 8, and the outer ring of described regulating ring 7 is formed with two symmetrical adjustment hole 7e, 7f, and position nail 8 is in adjustment hole, and position nail 8 restriction regulating rings 7 are around the scope of central rotation, and position is followed closely 8 pairs of regulating rings 7 and played restriction and location; The outer peripheral face of described regulating ring 7 is formed with two symmetrical breach a and b.
The Principles of Regulation of the tensile force adjusting mechanism of this wrist-watch chain drive are, by the breach a of instrumental purpose on regulating ring 7 and b place, regulating ring 7 can be made around center rotating, when making regulating ring 7 rotate counterclockwise, regulating ring 7 can be made to act on effectively on four movable sprocket shaft 12b, thus make four can be movable sprocket shaft 12b along the elongated hole of four on base plate 1 to movement movement outside; Described chain 6 support by a sprocket assembly 11a and the 7 sprocket assembly 11b, when the sprocket shaft 12b that four wherein can move drives cover four sprocket assembly 11b thereon to movement movement outside, just serve the effect making chain tension, otherwise then play the effect making chain lax.By turning two screws 9, regulating ring 7 is maintained static after adjustment.
The present invention by increasing or reduce the quantity of elongated hole on control loop and base plate and sprocket assembly, can also can play the effect of tensile force between adjusting chain too.
It is worthy of note; protection scope of the present invention is not limited to above-mentioned embodiment; basic fundamental according to the present invention is conceived; also structure driven that can be substantially identical; the profile or the fixed form that change parts realize object of the present invention; as long as those skilled in the art need through creative work, the embodiment that can associate, all belongs to protection scope of the present invention.
Claims (6)
1. a tensile force adjusting mechanism for wrist-watch chain drive, is characterized in that, comprises, base plate (1), chain (6), regulating ring (7), head sprocket parts (11a) and sprocket assembly (11b); The upper pressing of described base plate (1) has main chain wheel (12a), and described head sprocket parts (11a) are sleeved on main chain wheel (12a), and head sprocket parts (11a) can rotate freely around sprocket shaft (12a); Described base plate (1) is provided with regulating ring (7), described base plate (1) is formed with little elongated hole (1a, 1b, 1c, 1d), described regulating ring (7) inner ring is formed with elongated hole (7a, 7b, 7c, 7d), elongated hole staggered floor partial stack on little elongated hole on base plate (1) and regulating ring (7), be provided with in hole after superposition can be freely movable sprocket shaft (12b), described sprocket shaft (12b) is provided with sprocket assembly (11b), sprocket assembly (11b) freely can rotate around from sprocket shaft (12b); Described head sprocket parts (11a) and sprocket assembly (11b) support chains (6).
2. the tensile force adjusting mechanism of wrist-watch chain drive according to claim 1, it is characterized in that, elongated hole width on little elongated hole on described base plate (1) and regulating ring (7) can be tangent with sprocket shaft (12b), and sprocket shaft (12b) can be free to slide in elongated hole.
3. the tensile force adjusting mechanism of wrist-watch chain drive according to claim 1, is characterized in that, the upper pressing of described base plate (1) has position to follow closely, and institute's rheme nails on and is provided with back gear sheet (3), and back gear sheet (3) freely can rotate around position nail; Described back gear sheet (3) is engaged with head sprocket parts (11a) and minute wheel sheet (2) respectively, and described head sprocket parts (11a) drive chain (6) to rotate.
4. the tensile force adjusting mechanism of wrist-watch chain drive according to claim 1, is characterized in that, described head sprocket parts (11a) comprise the back gear sheet (4) of riveted at main wheel pipe (10a) both ends and sprocket wheel (5); Described back gear sheet (3) is engaged with setting pinion (4); Described sprocket assembly (11b) comprises the sprocket wheel (5) of riveted on wheel pipe (10b); Described sprocket wheel (5) engages with chain (6).
5. the tensile force adjusting mechanism of wrist-watch chain drive according to claim 1, it is characterized in that, the upper pressing of described base plate (1) has position to follow closely (8), the outer ring of described regulating ring (7) is formed with two symmetrical adjustment holes (7e, 7f), position nail (8) is in adjustment hole, and position nail (8) restriction regulating ring (7) is around the scope of central rotation; The outer peripheral face of described regulating ring (7) is formed with two symmetrical breach.
6. the tensile force adjusting mechanism of wrist-watch chain drive according to claim 1, it is characterized in that, described sprocket assembly (11b) and sprocket shaft (12b) have 7 respectively, wherein, 4 sprocket shafts (12b) can freely be arranged, and 3 are pressed together on base plate (1) with sprocket shaft (12b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410440320.9A CN105446113B (en) | 2014-09-01 | 2014-09-01 | Watch chain transmission tension adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410440320.9A CN105446113B (en) | 2014-09-01 | 2014-09-01 | Watch chain transmission tension adjusting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105446113A true CN105446113A (en) | 2016-03-30 |
| CN105446113B CN105446113B (en) | 2017-08-11 |
Family
ID=55556450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410440320.9A Active CN105446113B (en) | 2014-09-01 | 2014-09-01 | Watch chain transmission tension adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105446113B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4312871C1 (en) * | 1993-04-20 | 1994-09-29 | Hemmer Franz Gerhard | Retrofittable electric winder for mechanical courtyard and tower clock movements, with a winding roller and weight |
| CN2372704Y (en) * | 1999-06-24 | 2000-04-05 | 铁兵 | Time hand running gear mechanism for clocks and watches |
| US20030199347A1 (en) * | 2002-04-23 | 2003-10-23 | Hillis W. Daniel | Differential drive system |
| CN2669229Y (en) * | 2003-12-18 | 2005-01-05 | 褚斌江 | Solar watch |
| CN200986654Y (en) * | 2006-12-20 | 2007-12-05 | 毛孟龙 | Synchronous world time clock |
| CN201875068U (en) * | 2010-10-31 | 2011-06-22 | 安徽友特自动化设备有限公司 | Chain tensioning mechanism |
| CH703958A1 (en) * | 2010-10-20 | 2012-04-30 | Daryoush Shafa | Clock movement, has base mechanism rotating first toothed wheel through second toothed wheel and distribution unit, and rotating third toothed wheel through second toothed wheel and another distribution unit |
| CH706209A2 (en) * | 2012-03-07 | 2013-09-13 | Montres Romain Gauthier Sa | Movement for mechanical watch, has gear train including reducer having specific gear ratio, and torque compensation system including chain wound on turn or less around cam based on tension state of barrel |
| CN204086823U (en) * | 2014-09-01 | 2015-01-07 | 天津海鸥表业集团有限公司 | Watch chain transmission tension adjusting mechanism |
-
2014
- 2014-09-01 CN CN201410440320.9A patent/CN105446113B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4312871C1 (en) * | 1993-04-20 | 1994-09-29 | Hemmer Franz Gerhard | Retrofittable electric winder for mechanical courtyard and tower clock movements, with a winding roller and weight |
| CN2372704Y (en) * | 1999-06-24 | 2000-04-05 | 铁兵 | Time hand running gear mechanism for clocks and watches |
| US20030199347A1 (en) * | 2002-04-23 | 2003-10-23 | Hillis W. Daniel | Differential drive system |
| CN2669229Y (en) * | 2003-12-18 | 2005-01-05 | 褚斌江 | Solar watch |
| CN200986654Y (en) * | 2006-12-20 | 2007-12-05 | 毛孟龙 | Synchronous world time clock |
| CH703958A1 (en) * | 2010-10-20 | 2012-04-30 | Daryoush Shafa | Clock movement, has base mechanism rotating first toothed wheel through second toothed wheel and distribution unit, and rotating third toothed wheel through second toothed wheel and another distribution unit |
| CN201875068U (en) * | 2010-10-31 | 2011-06-22 | 安徽友特自动化设备有限公司 | Chain tensioning mechanism |
| CH706209A2 (en) * | 2012-03-07 | 2013-09-13 | Montres Romain Gauthier Sa | Movement for mechanical watch, has gear train including reducer having specific gear ratio, and torque compensation system including chain wound on turn or less around cam based on tension state of barrel |
| CN204086823U (en) * | 2014-09-01 | 2015-01-07 | 天津海鸥表业集团有限公司 | Watch chain transmission tension adjusting mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105446113B (en) | 2017-08-11 |
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