CN107045276A

CN107045276A - Calendar mechanism, movement and clock and watch

Info

Publication number: CN107045276A
Application number: CN201710069261.2A
Authority: CN
Inventors: 铃木重男
Original assignee: Seiko Instruments Inc
Current assignee: Seiko Instruments Inc
Priority date: 2016-02-09
Filing date: 2017-02-08
Publication date: 2017-08-15
Anticipated expiration: 2037-02-08
Also published as: CH712123A2; JP6636815B2; JP2017142134A; CH712123B1; CN107045276B

Abstract

The present invention provides calendar mechanism, movement and clock and watch, and the calendar mechanism can easily be manufactured with simple structure.Calendar mechanism possesses：Date wheel with determination unit on the 30th；Revolve within 1 year the month wheel turned around；Zhu Huan mechanisms；And the solar month of 30 days Huan mechanism that last angel's date wheel in the solar month of 30 days rotates.Month, wheel was with month cam, the month cam is formed with recess corresponding with the solar month of 30 days in outer peripheral face, Zhu Huan mechanisms have date finger driving wheel and date feeding ratchet wheel, mechanism had the action body of rod, date in solar month of 30 days feeding ratchet wheel and changed a day breast wheel solar month of 30 days Huan, by making judgement bar on the 30th follow determination units on the 30th and the solar month of 30 days is judged that bar follows recess, thus, the body of rod is acted to rotate from first position towards the second place, change day breast wheel and acting date of departure feeding ratchet wheel when the body of rod is in first position, and engaged when acting the body of rod in the second place with date feeding ratchet wheel.

Description

Calendar mechanism, movement and clock and watch

Technical field

The present invention relates to calendar mechanism, movement and clock and watch.

Background technology

In the clock and watch with calendar that can show the moon day, known such calendar mechanism：It is 30 in the number of days of one month At the end of month in the solar month of 30 days below it, the date feeding of two feed rations is carried out, thus will correct on the date and be suppressed to bottom line (for example, ginseng According to patent document 1).

In patent document 1, the calendar mechanism for possessing following part is described：Date disc (date wheel), it possesses in the 1st Denture in denture and the 2nd；Date driving wheel group, it has powered via the tooth of denture in the 1st in order to control the date to show Hook；Correct driving wheel group, its with the 2nd in denture cooperation, date disc one step of many feedings again is made at the end of the solar month of 30 days；And the moon Part driving wheel group, it drives month star-wheel at the end of each moon.As the body of rod, possess：The bar controlled by the pile of date disc；For Make the 1st sliding bar of date driving wheel group and month driving wheel group action；For the 2nd sliding bar for acting amendment driving wheel group；And The bar of the rotation of the 2nd sliding bar is controlled with month star-wheel cooperation.

Patent document 1：No. 5105467 publications of Japanese Patent Publication No.

But, for conventional technology, the quantity of the body of rod is proofreaded, and structure is also complicated, and existing causes the elevated worry of cost. In addition, in order that each bar links, it is necessary to so that the state carry out group of position as defined in the position alignment of each bar at the time of regulation Dress, so that there is manufacturing process becomes miscellaneous such worry.

The content of the invention

Therefore, the present invention is to complete in view of the foregoing, and its problem is that offer one kind can be with simple structure Calendar mechanism, movement and the clock and watch easily manufactured.

In order to solve above-mentioned problem, calendar mechanism of the invention is characterised by that the calendar mechanism possesses：Month takes turns, One year rotation is turned around；Revolve the date wheel that turns around within one month, there is determination unit on the 30th at its defined position in the circumferential； Revolve the Zhu Huan mechanisms turned around within one day, it rotates the date wheel；And solar month of 30 days Huan mechanism, its number of days at one month Date wheel rotates described in last angel in the solar month of 30 days of less than 30 days, and the month wheel has month cam, and the month cam exists Outer peripheral face is formed with solar month of 30 days determination unit corresponding with the solar month of 30 days, and the Zhu Huan mechanisms have：Revolve the action turned around within one day Cam, its with can relative to the date finger driving wheel turned around rotation is revolved within one day by certain speed in the way of be laminated in the date finger driving wheel； Ratchet wheel is fed with the date, it synchronously rotates with the action cam, rotates the date wheel, the solar month of 30 days Huan mechanisms tool Have：Act the body of rod, it is rotated around defined axle, and be provided with can follow judgement bars on the 30th of the determination unit on the 30th with can The solar month of 30 days for following the solar month of 30 days determination unit judges bar；Date in solar month of 30 days feeds ratchet wheel, described in its last angel in the solar month of 30 days Date wheel rotates；And a day breast wheel is changed, it is configured in the state of being engaged with the date in solar month of 30 days feeding ratchet wheel Relative to the action body of rod rotation, by making the judgement bar on the 30th follow the determination unit on the 30th and judging the solar month of 30 days Bar follows the solar month of 30 days determination unit, thus, and the action body of rod is rotated from first position towards the second place, described to change in the middle of day Wheel leaves the date feeding ratchet wheel when the action body of rod is in the first position, and is in institute in the action body of rod Engaged when stating the second place with date feeding ratchet wheel.

In accordance with the invention it is possible to act calendar mechanism using the body of rod is acted, therefore, with possessing the conventional art of 4 bars Compare, number of components can be cut down, and simple structure can be formed as.

Further, since being provided with judgement bars on the 30th and solar month of 30 days judgement bar on the action body of rod, therefore, only acted by assembling Judgement bars on the 30th and solar month of 30 days can just be judged bar configuration in defined position by the body of rod.That is, without to judgement bars on the 30th and solar month of 30 days Judge that bar is individually aligned, therefore, it is possible to easily be manufactured.

In addition, by making judgement bar on the 30th follow determination unit on the 30th, and the solar month of 30 days is judged that bar follows solar month of 30 days determination unit, by This, the action body of rod is rotated from first position towards the second place, when acting the body of rod in the second place, changes day breast wheel and day Phase feeding ratchet wheel engagement, therefore, it is possible to via change day breast wheel by the date feed ratchet wheel power be transferred to the date in solar month of 30 days feeding Ratchet wheel.Date wheel is rotated therefore, it is possible to feed ratchet wheel and date in solar month of 30 days feeding ratchet wheel by the date in the last day in solar month of 30 days Correctly to feed the date.

In addition, being characterised by, the Zhu Huan mechanisms possess control cam, and the control cam and the action cam are same The rotation of step ground, and in outer peripheral face there is the date to feed determination unit, the action body of rod has the outer peripheral face with the control cam The date feeding of sliding contact judges bar, when the date, feeding judged that bar feeds determination unit sliding contact with the date, The judgement bar on the 30th follows the determination unit on the 30th, and the solar month of 30 days judges that bar follows the solar month of 30 days determination unit.

According to the present invention, judge because the action body of rod has with controlling the date of the outer peripheral face sliding contact of cam to feed Bar, therefore, it is possible to make judgement bar on the 30th follow determination unit on the 30th in the case where not contacted with date wheel.Thereby, it is possible to suppress Load is produced from the action body of rod to date wheel, therefore, it is possible to prevent date wheel from offseting, so that on the defined position display date.

In addition, being characterised by, the solar month of 30 days Huan mechanisms possess force application component, and the force application component is to the date in solar month of 30 days Feeding ratchet wheel from make the date wheel rotate before feeding front position towards position after the feeding made after the date wheel rotation Put force.

According to the present invention, date in solar month of 30 days feeding ratchet wheel can be such that date wheel recovers after rotating to feeding anteposition in the small middle of the month Put.Therefore, the date also can correctly be fed even in next small middle of the month.

In addition, being characterised by, date in the solar month of 30 days feeding ratchet wheel possesses date in solar month of 30 days feeding claw, date in the solar month of 30 days feeding Pawl presses the teeth portion of the date wheel and rotates the date wheel, and the date in solar month of 30 days feeds the flexible support of ratchet wheel, The elastic supporting part by date in the solar month of 30 days feeding claw elastic bearing into：Date in the solar month of 30 days feeding claw can from it is described enter The footpath of ratchet wheel is fed when the feeding front position movement is positioned against after giving and being abutted with the teeth portion towards the date in solar month of 30 days Move inward.

According to the present invention, due to flexible support, wherein, the elastic supporting part props up date in solar month of 30 days feeding claw elasticity Hold into can towards the date in solar month of 30 days feed ratchet wheel radially inner side movement, therefore, it is possible in date in solar month of 30 days feeding claw after feeding It is positioned against reliably preventing date wheel from reversely rotating when feeding front position is recovered.Therefore, it is possible to logical in the last day in solar month of 30 days Crossing date feeding ratchet wheel and date in solar month of 30 days feeding ratchet wheel makes date wheel rotation correctly feed the date.

In addition, the movement of the present invention is characterised by possessing above-mentioned calendar mechanism.

In addition, the clock and watch of the present invention are characterised by possessing above-mentioned movement.

, can therefore, it is possible to realize due to possessing calendar mechanism that is simple in construction and can easily manufacturing according to the present invention By the inexpensive movement and clock and watch that property is excellent.

Brief description of the drawings

Fig. 1 is the outside drawing for the clock and watch that embodiment is related to.

Fig. 2 is the top view for the movement for possessing calendar mechanism.

Fig. 3 is the sectional view along Fig. 2 line A-A.

Fig. 4 is the sectional view along Fig. 2 line B-B.

Fig. 5 is the amplification plan view of Zhu Huan mechanisms.

Fig. 6 is to feed the amplification plan view of ratchet wheel on judgement bars on the 30th and date in solar month of 30 days.

Fig. 7 be show the solar month of 30 days date feeding in last day 23 when 50 points at the time of top view.

Fig. 8 be show the solar month of 30 days date feeding in last day 23 when 55 points at the time of top view.

Fig. 9 is the block diagram for showing the power transfer path in calendar mechanism.

Top view at the time of Figure 10 is 00 point when showing 24 of last day in the date feeding in solar month of 30 days, and is out Beginning carries out the figure of the state of a date feeding.

Top view at the time of Figure 11 is 00 point when showing 24 of last day in the date feeding in solar month of 30 days, and is one The figure of the midway state of secondary date feeding.

Figure 12 be show the solar month of 30 days date feeding in last day 24 when 00 point at the time of top view, and be knot The figure of the state of date feeding of beam.

Top view at the time of Figure 13 is 00 point when showing 24 of last day in the date feeding in solar month of 30 days, and is out Beginning carries out the figure of the state of secondary date feeding.

Top view at the time of Figure 14 is 00 point when showing 24 of last day in the date feeding in solar month of 30 days, and is two The figure of the midway state of secondary date feeding.

Figure 15 be show the solar month of 30 days date feeding in last day 24 when 00 point at the time of top view, and be knot The figure of the state of the secondary date feeding of beam.

Figure 16 be show the solar month date feeding in 30 days 23 when 50 points at the time of top view.

Top view at the time of Figure 17 is 00 point when showing the 24 of 30 days in the date feeding in the solar month, and was two next day The figure of the midway state of phase feeding.

Top view at the time of Figure 18 is 00 point when showing the 24 of 30 days in the date feeding in the solar month, and is to finish The figure of the state of date feeding.

Figure 19 is the top view for the movement for possessing the calendar mechanism involved by variation.

Figure 20 is the sectional view along Figure 19 line C-C.

Figure 21 be show the solar month of 30 days date feeding in last day 00 when 00 point at the time of top view.

Figure 22 be show the solar month of 30 days date feeding in last day 5 when 55 points at the time of top view.

Top view at the time of Figure 23 is 00 point when showing 24 of last day in the date feeding in solar month of 30 days, and is one The secondary date feeds the figure of the state before will starting.

Top view at the time of Figure 24 is 00 point when showing 24 of last day in the date feeding in solar month of 30 days, and is out Beginning carries out the figure of the state of a date feeding.

Top view at the time of Figure 25 is 00 point when showing 24 of last day in the date feeding in solar month of 30 days, and is one The figure of the midway state of secondary date feeding.

Top view at the time of Figure 26 is 00 point when showing 24 of last day in the date feeding in solar month of 30 days, and is out Begin the feeding of secondary date state figure.

Figure 27 be show the solar month of 30 days date feeding in last day 24 when 00 point at the time of top view, and be knot The figure of the state of beam date feeding.

Figure 28 is the explanation figure of the date feeding in the solar month.

Figure 29 is the explanation figure for the control cam that another embodiment is related to.

Figure 30 is the outside drawing for the clock and watch that another embodiment is related to.

Figure 31 is the sectional view of the movement for the clock and watch that another embodiment shown in Figure 30 is related to.

Label declaration

1：Clock and watch；20：Date wheel；30：Month takes turns；33：Month cam；34b：Recess (solar month of 30 days determination unit)；40：Master changes a day machine Structure；43：Date finger driving wheel；45：Control cam；46：Date feeds determination unit；47：Date feeds ratchet wheel；50：Act cam；70：It is small Yue Huan mechanisms；71：Act the body of rod；73：Date feeding judges bar；74：Judgement bar on the 30th；75：Solar month of 30 days judges bar；76：Solar month of 30 days Date feeds ratchet wheel；79b：Date in solar month of 30 days feeding claw；79c：Elastic supporting part；82：Back-moving spring (force application component)；85：Change day Breast wheel；100：Calendar mechanism；C2：Second axle (defined axle).

Embodiment

Hereinafter, embodiments of the present invention are illustrated using accompanying drawing.

Hereinafter, to mechanical type watch (equivalent to " clock and watch " in claim, hereinafter simply referred to as " clock and watch ".) carry out After explanation, the details for the calendar mechanism being related to embodiment is illustrated.

(clock and watch)

Generally, the mechanical body of the drive part including clock and watch is referred to as " movement ".Put after dial plate, pin are installed on into the movement Enter in clock and watch housing to be formed as " finished product " that the state of finished goods is referred to as clock and watch.The two of the mainboard of the substrate of clock and watch will be constituted The side of the glass of presence clock and watch housing in side, the side that there is dial plate are referred to as " rear side " of machine movement.In addition, will be main Side, the side i.e. opposite with dial plate of the shell body rear cover of presence clock and watch housing in the both sides of plate are referred to as the " front of movement Side ".

Fig. 1 is the outside drawing for the clock and watch 1 that embodiment is related to.In the following description, by each top view later Fig. 1 Clockwise direction be referred to as CW directions, will counterclockwise be referred to as CCW directions.

As shown in figure 1, the finished product of the clock and watch 1 of present embodiment is in the clock being made up of housing back-cover (not shown) and glass 2 Possess in watch shell 3：Movement 10；Dial plate 11, it has expression scale of information related to hour etc.；And pointer, it is wrapped Include and represent the hour hands 12 of hour, represent the minute hand 13 of minute and the second hand 14 of expression second.Have in the upper shed of dial plate 11：Make table Show the day window 11a that the numeral on date is exposed；With the moon window 11b for exposing the word in expression month.Thus, clock and watch 1 can be represented Moment, date and month.

Fig. 2 is the top view for the movement for possessing calendar mechanism, and Fig. 3 is the sectional view along Fig. 2 line A-A.

As shown in Figures 2 and 3, movement 10 has the mainboard 5 for the substrate for constituting movement 10.As shown in figure 3, in mainboard 5 Face side is at least configured with：Include the escapement speed limiting mechanism (not shown) of hair-spring balance, escape wheel or escapement lever etc.；With comprising There are No. four wheels 8, No. three wheels, the face side train of No. two wheels 9 and driving wheel on barrel etc..Installed in the end of the rear side of No. four wheels 8 There is second hand 14, the second hand 14 turns around for every 60 seconds around central shaft O towards the rotation of CW directions.Installed in the end of the rear side of No. two wheels 9 There is minute hand 13, the minute hand 13 turns around for every 60 minutes around central shaft O towards the rotation of CW directions.

(calendar mechanism)

As shown in Figures 2 and 3, calendar mechanism 100 possess hour wheel 16, date wheel 20, month wheel 30, Zhu Huan mechanisms 40 with And solar month of 30 days Huan mechanism 70.Hereinafter, calendar mechanism 100 is described in detail using each figure.

In the following description, the month (2 months, April, June, September and November) by the number of days of one month below 30 days Referred to as solar month of 30 days, the number of days of one month was referred to as the solar month in month (January, March, May, July, August, October and December) for 31 days.

The end of the face side of hour wheel 16 turns into hour gear 16a.Hour wheel 16 is via hour gear 16a and train and conduct The driving wheel on barrel (not shown) engagement of power source.Hour wheel 16 is transmitted power from driving wheel on barrel and rotated.In the rear side of hour wheel 16 End is provided with hour hands 12, and the hour hands 12 turn around for every 12 hours around central shaft O towards the rotation of CW directions.Hour wheel 16 is than hour gear There is hour breast wheel 16b at 16a backrests surface side.The rotation of hour wheel 16 is via such as hour breast wheel 16b or breast wheel 17 Train is passed to Zhu Huan mechanisms 40 described later.

Date wheel 20 is to be installed into the endless member rotated freely relative to mainboard 5.As shown in Fig. 2 in date wheel 20 Surface, circumferentially show successively and represent the date word 21 of 1~31 day., can be with as the display methods of date word 21 Include such as pasting printing, marking, sealing, but be not particularly limited.Date wheel 20 rotates towards CW directions.Date word 21 Shown successively corresponding to the direction of rotation of date wheel 20.

The inner peripheral surface 20a of date wheel 20 is formed as two ranks.The front of movement 10 on the inner peripheral surface 20a of date wheel 20 Side, teeth portion 22 is prominent to radially inner side, and is formed with spaced intervals in the circumferential multiple.One month of teeth portion 22 and the solar month Number of days is accordingly to be formed with 31 teeth with about 11.6 ° of 360 °/31=spacing in 31 days.Teeth portion 22 was turned around by rotation in one day Date described later feeding ratchet wheel 47 date feeding claw 47b daily push once.Thus, date wheel 20 rotates towards CW directions, And a rotation in month is turned around.

The limiting date of date locating rod 25 takes turns 20 position in a rotational direction, and auxiliary to the rotation progress of date wheel 20 Help.The base end part of date locating rod 25 is fixed in mainboard 5, and terminal part 25a is free end.Date locating rod 25 possesses being capable of bullet Property deformation day arm 25b.Day, arm 25b exerted a force to terminal part 25a to the side of date wheel 20.The terminal part of date locating rod 25 25a engages with the teeth portion 22 of date wheel 20, thus the rotation of limiting date wheel 20.Thus, date wheel 20 can with teeth portion 22 Pitch angle (about 11.6 °) identical angle spacing rotate length by length.

At on the inner peripheral surface 20a of date wheel 20 and than the backrest surface side of teeth portion 22, month feeding portion 26 is formed with.Month enters Inner side is radially oriented to portion 26 to be protrudedly formed.In the last day from month to during the switching in first day of secondary month, month feeds Portion 26 push the inner side for being located at date wheel 20 month breast wheel 28 tooth 28a, rotate month breast wheel 28.

In addition, on the inner peripheral surface 20a of date wheel 20 and than the backrest surface side of teeth portion 22, being formed with determination unit 29 on the 30th. Determination unit 29 on the 30th is radially oriented outside depression and formed.Determination unit 29 on the 30th is formed at when date wheel 20 is shown 30 with being located at At position corresponding the terminal part 74a of the judgement bar 74 on the 30th described later of the inner side of date wheel 20.From the solar month of 30 days last When it is the switching in first day of 30 days to secondary month, the terminal part 74a of judgement bar 74 on the 30th enters determination units 29 on the 30th and can chased after With the determination unit 29 on the 30th.

(month wheel)

Take turns 30 month and rotatably loosely inserted hour wheel 16.Month, wheel 30 was with moon gear 31 and month cam 33.Month The rotation in 30 one years of part wheel is turned around.

Month gear 31 is engaged with month breast wheel 28.Month tooth of gear 31 and the moon number of 1 year be 12 months accordingly with 360 °/12=30 ° of spacing is formed with 12.Month gear 31 with date wheel 20 and month breast wheel 28 each moon last It rotation and rotate.Also, in fig. 2, describe the month corresponding with each tooth of moon gear 31 to be readily appreciated that Numeral.

Month cam 33 around central shaft O, synchronously turn around with moon gear 31 by rotation in 1 year.In the outer peripheral face of month cam 33, throughout Recess 34b is circumferentially formed with convex portion 34a at 5 and 5 between each convex portion 34a (equivalent to " solar month of 30 days in claim Determination unit ").

Multiple convex portion 34a of month cam 33 be formed at around central shaft O with 30 ° of spacing by the outer peripheral face 12 of month cam 33 Decile and along CW directions be allocated successively from January to December when with the solar month (January, March, May, July, August, October and December) At corresponding position.In addition, multiple recess 34b of month cam 33 be formed at it is right with the solar month of 30 days (2 months, April, June, September and November) At the position answered.

Month take turns 30 back side side end, it is outer to be fixed with month display board 15.Month, display board 15 was discoid Board member, is configured at the position than dial plate 11 by the face side of movement 10.As shown in Fig. 2 on the interarea of date wheel 20, edge It is circumferential to show the month word 15a for representing January (JAN)~December (DEC) successively., can as month word 15a display methods To include such as pasting printing, marking, sealing, but it is not particularly limited.Month, display board 15 was around central shaft O and moon gear 31 and month cam 33 synchronously turned around along the rotation of CCW directions 1 year.Month word 15a corresponds to the rotation side of month display board 15 To showing successively, expose from moon window 11b to outside.

Take turns 30 position in a rotational direction the limitation month of locating rod 35 moon, and it is auxiliary to the rotation progress of month wheel 30 Help.The moon, the base end part of locating rod 35 was rotatably connected with mainboard 5, and terminal part 35a is free end.Month locating rod 35 Terminal part 35a by moon locating rod spring 36 towards month wheel 30 exert a force.The moon, the terminal part 35a of locating rod 35 took turns 30 with month Tooth engages, and thus limits the rotation of month wheel 30.Thus, month wheel 30 the moon gear 31, month cam 33 and month display board 15 Rotated around central shaft O with each of 30 ° of spacing of pitch angle (30 °) identical with tooth step along CCW directions, so that one year the moon one Rotation is turned around.

(Zhu Huan mechanisms)

Fig. 4 is the sectional view along Fig. 2 line B-B, and Fig. 5 is the amplification plan view of Zhu Huan mechanisms.

As shown in Fig. 2, Fig. 4 and Fig. 5, between central shaft O and the inner peripheral surface 20a of date wheel 20 and with 5 o'clock direction pair At the position answered, erected along first axle C1 from mainboard 5 and be provided with axle portion part 6.Zhu Huan mechanisms 40 by axle portion part 6 be supported to around First axle C1 is rotated freely.

Zhu Huan mechanisms 40, which possess to change, sells 41, date finger driving wheel 43, action cam 50, action cam lever 52, date feeding claw every day Wheel 47 and control cam 45.Change sell every day 41, date finger driving wheel 43, action cam 50, the date feeding ratchet wheel 47 and control cam 45 with First axle C1 is that pivot is configured on the same axis.

Change and sell 41 every day and be formed as tubular, and axle portion part 6 is rotatably loosely inserted in around first axle C1.

Date finger driving wheel 43, which rotatably loosely inserts to change, sells 41 every day.Date finger driving wheel 43 is engaged with breast wheel 17.Hour wheel 16 it is dynamic Power is passed to date finger driving wheel 43 via hour breast wheel 16b and breast wheel 17.Date finger driving wheel 43 is around first axle C1 with fixed speed Rotation in one day is turned around.

In addition, being provided with the groove portion 43a of arcuation on date finger driving wheel 43, groove portion 43a is when overlooking using first axle C1 in The heart, and radially there is width in date finger driving wheel 43.The central angle for being formed as the groove portion 43a of arcuation is, for example, 90 ° or so.

Action cam 50 is the plate-shaped member for being integrally formed as fan shape, and smaller than the profile of date finger driving wheel 43.Action is convex Wheel 50 than date finger driving wheel 43 by being laminated with date finger driving wheel 43 at face side.Action cam 50 sells 41 every day by outer fixation relative to changing. Thus, action cam 50 can rotate relative to date finger driving wheel 43 around first axle C1.

Action cam 50 possesses：Be formed as the action cam surface 50a of arcuation；By pressing that action cam lever 52 described later is pressed Pressure surface 50b；And enter the bellying 50c of the terminal part 53 of action cam lever 52.Action cam surface 50a is formed as：With court To CW directions, radius is gradually reduced.Press surface 50b is configured to towards CCW directions in action cam surface 50a one end.Drum Go out portion 50c and clip first axle C1 to be arranged at action cam surface 50a diametrically opposite side, and bloated to radial outside.

Action cam 50 possesses banking pin portion 51, and the rear side of the banking pin portion 51 axially to movement 10 is prominent.Limit Cotter portion 51 is inserted into the groove portion 43a for being configured at date finger driving wheel 43.Width of the diameter in banking pin portion 51 than groove portion 43a is small, so that Banking pin portion 51 is loosely inserted in groove portion 43a, and can be circumferentially moved in groove portion 43a.

By making date finger driving wheel 43 be rotated towards CW directions, thus, banking pin portion 51 is resisted against the end in groove portion 43a CCW directions Portion.Date finger driving wheel 43 is rotated towards CW directions by being resisted against in banking pin portion 51 in the state of groove portion 43a end, thus, move Make cam 50 to rotate towards CW directions together with date finger driving wheel 43.

In addition, when act cam 50 press surface 50b by it is described later action cam lever 52 press when, banking pin portion 51 with than The speed that the rotary speed of date finger driving wheel 43 is fast is moved in groove portion 43a towards CW directions.Thus, action cam 50 can with groove portion The corresponding defined angle (being about 90 ° in the present embodiment) of 43a forming range is relative to date finger driving wheel 43 towards CW side To rotation.

Action cam lever 52 is formed as L-shaped on the whole.Action cam lever 52 can be rotated by the e axle supporting of mainboard 5. Action cam lever 52 is exerted a force in the way of terminal part 53 is towards action cam 50 by action cam lever spring 54.Act cam lever 52 Terminal part 53 with action cam 50 action cam surface 50a and press surface 50b sliding contacts, and with action cam lever 52 Rotation and close to or away from action cam 50 pivot be first axle C1.

It is formed with the terminal part 53 of action cam lever 52：First convex portion 53a, it is protruded towards action cam 50；With Two convex portion 53b, it is arranged on the position by the base end side of action cam lever 52 than the first convex portion 53a.By making action cam 50 Rotated towards CW directions, thus, the second convex portion 53b of the terminal part 53 of action cam lever 52 is slided on action cam surface 50a to be connect Touch.Also, act cam lever 52 terminal part 53 the second convex portion 53b switch the date at 0 point in the morning before and after it is defined when The press surface 50b up to action cam 50 is carved into, and press surface 55b is pressed by the active force of action cam lever spring 54.Thus, Acting cam 50 can be with the defined angle corresponding with the groove portion 43a of date finger driving wheel 43 forming range (in present embodiment In be about 90 °) relative to date finger driving wheel 43 towards CW directions moment rotate.In addition, have rotated defined angle in action cam 50 Afterwards, bellying 50c enters between the first convex portion 53a and the second convex portion 53b of action cam lever 52, and action cam 50 is protected temporarily Hold.

Date feeding ratchet wheel 47 is made up of discoideus date feeding claw gear 47a and date feeding claw 47b.Date feeds Ratchet wheel 47 changes the back side side end for selling 41 every day by outer be fixed on, and is synchronously rotated with action cam 50.

Date feeding claw gear 47a sells 41 every day by outer fixation relative to changing.In date feeding claw gear 47a outer peripheral face It is formed with teeth portion.Date feeding claw gear 47a can be engaged with day breast wheel 85 that changes of solar month of 30 days Huan mechanisms 70 described later.

Date feeding claw 47b at than date feeding claw gear 47a backrests surface side it is outer be fixed on to change sell 41 every day.On the date Feeding claw 47b outer peripheral face, be formed with the way of it can engage with the teeth portion 22 of date wheel 20 be radially oriented it is protruding outside Claw 47c.Date feeds moment rotation of the ratchet wheel 47 with action cam 50 at the time of the regulation before and after switching at 0 point in the morning on date Turn synchronously to rotate.Thus, date feeding claw 47b presses the teeth portion 22 of date wheel 20 and date wheel 20 is rotated 1 towards CW directions Step.

Control cam 45 is laminated relative to date finger driving wheel 43 in the way of it can rotate, and configuration is entered on date finger driving wheel 43 and date To between ratchet wheel 47.Control cam 45 by it is outer be fixed on to change sell 41 every day, it is and same with action cam 50 and date feeding ratchet wheel 47 The rotation of step ground.Set-up date feeding judges the terminal part 73a and control cam of bar 73 in solar month of 30 days Huan mechanisms 70 described later 45 outer peripheral face sliding contact.

Date feeding determination unit 46 is formed with the outer peripheral face of control cam 45.Date feeding determination unit 46 is radially oriented Inner side is recessed to be formed.The side 46a in the CW directions of date feeding determination unit 46 is formed in the way of along radial direction.Date feeding is sentenced The side 46b for determining the CCW directions in portion 46 is tilted from radially inner side towards CCW directions laterally outwardly, so that the date feeds determination unit 46 enlarged open.When from the last day in solar month of 30 days being the switching in first day of 30 days to secondary month, date feeding judges bar 73 Terminal part 73a entry dates feed determination unit 46 and with its sliding contact.

(solar month of 30 days Huan mechanism)

Between inner peripheral surface 20as of the central shaft O with date wheel 20 and at position corresponding with 7 o'clock direction, along second Axle C2 is (equivalent to " the defined axle " in claim.) erected from mainboard 5 and be provided with axle portion part 7.

Mechanism 70 had the action body of rod 71, date in solar month of 30 days feeding ratchet wheel 76 and changed day breast wheel 85 solar month of 30 days Huan.

It is the flat part for example formed by metal material to act the body of rod 71.The body of rod 71 is acted relative to loose insertion The cylinder portion 77 for feeding ratchet wheel 76 in the date in solar month of 30 days described later of axle portion part 7 is more loosely inserted into, so as to be supported to by axle portion part 7 Rotated freely around the second axle C2.The body of rod 71 is acted to be exerted a force towards CCW directions around the second axle C2 by action body of rod spring 72, wherein, institute State action body of rod spring 72 and be arranged at the position that radial outside is leaned on than the action body of rod 71.

The action body of rod 71 possesses banking pin portion 71a, date feeding and judges that bar 73, judgement bar 74, solar month of 30 days on the 30th judge bar 75. Date feeding judges that bar 73, judgement bars 74 on the 30th and solar month of 30 days judge that bar 75 forms as one.

Banking pin portion 71a erects setting in the second axle C2 vicinity towards rear side.Banking pin portion 71a, which is inserted into, to be configured at In groove portion 78a on the blade tooth wheel 78 of date in solar month of 30 days feeding ratchet wheel 76 described later, to limit the rotation that the date in solar month of 30 days feeds ratchet wheel 76 Turn.

Date feeding judges that the terminal part 73a of bar 73 is formed deviously towards control cam 45.Date feeding judges bar 73 Terminal part 73a contacted by the active force of action body of rod spring 72 with the outer peripheral face of control cam 45, and by controlling cam 45 rotation and with control cam 45 outer peripheral face sliding contact.In addition, from the last day in solar month of 30 days be 30 days to secondary month During switching in one day (for example, at the 23 of the last day in solar month of 30 days 55/after to 24 when 00 point for during only), date feeding Judging that the terminal part 73a of bar 73 enters by the active force of action body of rod spring 72 controls the date of cam 45 to feed determination unit 46 And with its sliding contact.

The terminal part 74a of judgement bar 74 on the 30th is formed deviously towards the inner peripheral surface 20a of date wheel 20.Judgement bar 74 on the 30th Terminal part 74a leave defined distance from the inner peripheral surface 20a of date wheel 20.When date wheel 20 is shown 30, judge within 30th The terminal part 74a of bar 74 is configured at the corresponding position of determination units on the 30th 29 with date wheel 20 (reference picture 6).

Solar month of 30 days judges that bar 75 extends between central shaft O and first axle C1 in a top view, and terminal part 75a is towards month cam 33 form deviously.Solar month of 30 days judges that the outer peripheral face of terminal part 75a from the month cam 33 of bar 75 leaves defined distance.Solar month of 30 days judges The terminal part 75a of bar 75 is configured in position corresponding with the convex portion 34a of each moon in the big middle of the month, be configured in the small middle of the month with respectively The corresponding positions of recess 34b of the moon.

Fig. 7 be show the solar month of 30 days date feeding in last day 23 when 50 points at the time of top view, Fig. 8 is to show Solar month of 30 days date feeding in last day 23 when 55 points at the time of top view.

As shown in Fig. 2 the date that the terminal part 73a and control cam 45 that judge bar 73 are fed on the date feeds determination unit 46 During region sliding contact in addition, the action body of rod 71 overcome the active force configuration of action body of rod spring 72 around the second axle C2 to CW The inclined position in direction (it is following, also referred to as " first position ".) place.

In addition, as shown in fig. 7, being 30 in the last day in solar month of 30 days on the action body of rod 71, the solar month of 30 days judges the end of bar 75 End 75a is configured in position corresponding with recess 34b, and the terminal part 74a of judgement bar 74 on the 30th is configured in be judged with 30 days The corresponding position in portion 29.

Also, as shown in figure 8, when from the last day in solar month of 30 days being the switching in first day of 30 days to secondary month (for example, small Month last day 23 when 55/after to 00 point when 24 for only during), the date feeding judge bar 73 terminal part 73a enter Enter date feeding determination unit 46 and with its sliding contact, also, the terminal part 74a of judgement bar 74 on the 30th enters determination unit 29 on the 30th And it is followed, and the solar month of 30 days judges that the terminal part 75a of bar 75 enters the recess 34b of month cam 33 and it is followed.On the date Feeding judges that the terminal part 73a entry dates of bar 73 feeds determination unit 46 and during with its sliding contact, the action body of rod 71 is by moving Make body of rod spring 72 active force be configured in around the second axle C2 than first position to the inclined position in CCW directions (hereinafter referred to as " second place ".).

As shown in fig. 6, there is date in solar month of 30 days feeding ratchet wheel 76 cylinder portion 77, blade tooth wheel 78, claw-plate 79 and back-moving spring to connect Knot 80.Cylinder portion 77, blade tooth wheel 78, claw-plate 79 and back-moving spring linking part 80 are integrally fixed, synchronous around the second axle C2 Ground rotates.

Cylinder portion 77 rotatably outer can insert in axle portion part 7.

Blade tooth wheel 78 is being fixed on a portion 77 than being loosely inserted at the backrest surface side of the action body of rod 71 in a portion 77 by outer. On the outer peripheral face of blade tooth wheel 78, multiple teeth portion are formed with throughout circumferential.The groove portion 78a of arcuation is provided with blade tooth wheel 78, Groove portion 78a radially has width when overlooking centered on the second axle C2, and in blade tooth wheel 78.Be formed as the groove of arcuation Portion 78a central angle is, for example, 90 ° or so.The banking pin portion 71a of setting is erected in the way of it can move from the action body of rod 71 Insertion is configured at groove portion 78a.

Claw-plate 79 is fixed on blade tooth wheel 78 at than the backrest surface side of blade tooth wheel 78.Claw-plate 79 has base portion 79a, date in solar month of 30 days Feeding claw 79b and elastic supporting part 79c.

Base portion 79a is configured to cover the major part of blade tooth wheel 78, and along being formed radially pawl groove 79d.

Date in solar month of 30 days, feeding claw 79b formed longer in the way of along radial direction, and more prominent to radial outside than blade tooth wheel 78 Go out.Feeding front positions of date in the solar month of 30 days feeding claw 79b before the teeth portion 22 of pressing date wheel 20 makes its rotation is (below, only Referred to as " feeding front position ".) place is approximately towards 6 o'clock direction.Date in solar month of 30 days feeding claw 79b is configured in pawl groove 79d, and energy Enough move radially.The side of date in solar month of 30 days feeding claw 79b CW sides turns into plane, can block with the teeth portion 22 of date wheel 20 Close.In addition, the side of date in solar month of 30 days feeding claw 79b CCW sides turns into flexure plane, it can depart from from the teeth portion 22 of date wheel 20.

Elastic supporting part 79c is formed to the C-shaped of elastic deformation, and connection base portion 79a and solar month of 30 days day on the whole Phase feeding claw 79b.Date in solar month of 30 days feeding claw 79b is supported to by elastic supporting part 79c can be radially oriented inner side in pawl groove 79d It is mobile.

Back-moving spring linking part 80 is created as the part of tubular, and outside the position than the action body of rod 71 by face side Build-in schedules cylinder portion 77.

Back-moving spring 82 is connected with back-moving spring linking part 80 (equivalent to " force application component " in claim.). Back-moving spring 82 is, for example, the hairspring formed along the archimedes curve centered on the second axle C2.Back-moving spring 82 it is interior End is fixed in back-moving spring linking part 80, and outer end is fixed on the steady pin 84 for erecting setting from mainboard 5.

Back-moving spring 82 presses the teeth portion 22 of date wheel 20 from date in solar month of 30 days feeding claw 79b and made after its postrotational feeding Position is (hereinafter simply referred to as " position after feeding ".) towards feeding front position, ratchet wheel 76 is fed to the date in solar month of 30 days along CCW directions Blade tooth wheel 78 exert a force.

Back-moving spring 82 is fixed in reset bullet in the state of being exerted a force to date in solar month of 30 days feeding ratchet wheel 76 towards CCW directions Spring linking part 80 and steady pin 84.By make the banking pin portion 71a of the action body of rod 71 be resisted against blade tooth wheel 78 groove portion 78a CW Direction end, thus, the rotation towards CCW directions of date in solar month of 30 days feeding ratchet wheel 76 are limited and are kept.

As shown in Figure 2 and Figure 4, day breast wheel 85 is changed to be configured to relative to the action body of rod 71 around first axle C1 and the The 3rd axle C3 rotations between two axle C2.Change day breast wheel 85 and engaged with the blade tooth wheel 78 that the date in solar month of 30 days feeds ratchet wheel 76.

Day breast wheel 85 is changed from date feeding claw to the inclined first position in CW directions around the second axle C2 in the action body of rod 71 Wheel 47 leaves.In addition, changing day breast wheel 85 and day to the inclined second place in CCW directions around the second axle C2 in the action body of rod 71 Phase feeding ratchet wheel 47 is engaged.

(effect)

Next, the effect to above-mentioned calendar mechanism 100 is illustrated.Hereinafter, for the last day by month And the effect as the calendar mechanism 100 untill first day of secondary month is illustrated.

Fig. 9 is the block diagram for showing the power transfer path in calendar mechanism.In fig .9, the arrow of solid line represents that power is passed Pass direction.

Figure 10 to Figure 15 be show the solar month of 30 days date feeding in last day 24 when 00 point at the time of top view, and And they are arranged according to Figure 10 to Figure 15 order with time series.For the structure of the calendar mechanism 100 in the following description The label of part, can be suitably with reference to each figure.

First, the action of the calendar mechanism 100 untill for the last day by the solar month of 30 days as first day of secondary month Illustrate.Below, by way of example, for last day (April 30) to the May as the solar month from the April as the solar month of 30 days First day (May 1) transfer when the action of calendar mechanism 100 illustrate.In addition, in the following description, the solar month of 30 days In last day of the action equivalent to the April in addition to 2 months, June, September and November of calendar mechanism 100 in last day Calendar mechanism 100 action.

As shown in fig. 7, in day window 11a, showing the date word 21 of " 30 " that represent 30.In addition, in moon window 11b In, show the month word 15a of " APR " in the April for being denoted as the solar month of 30 days.In addition, the solar month of 30 days judges the terminal part 75a quilts of bar 75 Configuration is at the position corresponding with the recess 34b in the April as the solar month of 30 days.

Power from the power source (not shown) such as motor or driving wheel on barrel is passed via the train such as hour wheel 16 or breast wheel 17 It is handed to the date finger driving wheel 43 (reference picture 9) of Zhu Huan mechanisms 40.Thus, the date finger driving wheel 43 of Zhu Huan mechanisms 40 using first axle C1 in The heart, revolved the speed turned around with one day towards CW directions and is rotated.

Action cam 50 is resisted against in the state of groove portion 43a end together with date finger driving wheel 43 in banking pin portion 51 towards CW side To rotation.Thus, date feeding ratchet wheel 47, the control cam 45 of Zhu Huan mechanisms 40 are synchronous with date finger driving wheel 43 and action cam 50 The speed turned around was revolved with one day along the CW directions around first axle C1 and rotated in ground.

In addition, the second convex portion 53b of action cam lever 52 is slided due to acting the rotation of cam 50 with action cam surface 50a Dynamic contact.

Now, the date feeding in the action body of rod 71 judges that the terminal part 73a and control cam 45 of bar 73 date feed Region sliding contact beyond determination unit 46.In addition, the action body of rod 71 is configured in around the second axle C2 to CW directions inclined the One position.Left in addition, changing day breast wheel 85 from date feeding ratchet wheel 47.

Then, when date feeding claw wheel 47, control cam 45, the process of date finger driving wheel 43 and action cam 50 over time And when further being rotated towards CW directions, date feeding judges that the terminal part 73a of bar 73 is reached and controls the date feeding of cam 45 to sentence Determine portion 46.

Then, as shown in figure 8,55 timesharing when as 23, date feeding judges the terminal part 73a of bar 73 by actuating strut The active force of body spring 72 enters in the date feeding determination unit 46 of control cam 45.In addition, the terminal part of judgement bar 74 on the 30th 74a enters determination units 29 on the 30th and it is followed.In addition, the solar month of 30 days judges that the terminal part 75a of bar 75 enters the recess of month cam 33 34b and it is followed.Thus, the action body of rod 71 is rotated centered on the second axle C2 towards CCW directions, from around the second axle C2 to CW side Moved to inclined first position towards around the second axle C2 to the inclined second place in CCW directions.Day breast wheel 85 is changed with action The rotation of the body of rod 71 and move, and with the date feeding ratchet wheel 47 engage.

In addition, the second convex portion 53b of action cam lever 52 reaches press surface 50b due to acting the rotation of cam 50.

Then, as shown in Figure 10,00 timesharing when as 24, the second convex portion 53b for acting cam lever 52 is convex by acting Take turns bar spring 54 active force and push action cam 50 press surface 50b.Thus, the date feeding ratchet wheel of Zhu Huan mechanisms 40 47th, control cam 45 and action cam 50 rotate at a high speed than date finger driving wheel 43 towards CW directions.

In addition, change day breast wheel 85 is transmitted power from date feeding ratchet wheel 47, so that towards CCW centered on the 3rd axle C3 Direction rotates at a high speed.In addition, overcoming reset bullet with the blade tooth wheel 78 for changing date in the solar month of 30 days feeding ratchet wheel 76 that day breast wheel 85 is engaged The active force of spring 82 rotates at a high speed towards CW directions.

Then, as shown in figure 11, date in the solar month of 30 days feeding claw 79b of date in solar month of 30 days feeding ratchet wheel 76 around the second axle C2 towards CW side Rotate, and abutted with the teeth portion 22 of date wheel 20 to high speed.Date in the solar month of 30 days feeding claw 79b pressings of date in solar month of 30 days feeding ratchet wheel 76 The teeth portion 22 of date wheel 20.Date wheel 20 releases the engaging with date locating rod 25 and rotated around central shaft O towards CW directions.

In addition, determination unit 29 on the 30th is moved with the rotation of date wheel 20 towards CW directions.Now, into determination unit on the 30th The terminal part 74a of judgement bars 74 on the 30th in 29 was moved along determination unit 29 on the 30th, and was intended to deviate from from determination unit 29 on the 30th.Separately Outside, the action body of rod 71 is rotated centered on the second axle C2 towards CW directions.

Then, as shown in figure 12, date wheel 20 engages with date locating rod 25 and rotated around central shaft O towards CW directions again 1 step.The date word 21 shown in day window 11a is switched to " 31 " from " 30 ".

In addition, the terminal part 74a of judgement bar 74 on the 30th is while with the sliding contact of determination unit 29 on the 30th while deviating from from it.By This, the action body of rod 71 from around the second axle C2 to the inclined second place in CCW directions towards inclined to CW directions around the second axle C2 First position, is rotated centered on the second axle C2 along CW directions.Thus, day breast wheel 85 is changed to leave from date feeding ratchet wheel 47. In addition, the date in solar month of 30 days feeding ratchet wheel 76, via change day breast wheel 85 progress from the date feed ratchet wheel 47 power transmit It is released from.

Here, date in solar month of 30 days feeding ratchet wheel 76 is reset, spring 82 is positioned against feeding front position force after feeding.Cause This, when the power transmission that ratchet wheel 47 is fed from the date is released from, the date in solar month of 30 days feeds ratchet wheel 76 by back-moving spring 82 Active force rotates at a high speed around the second axle towards CCW directions.Thus, date in solar month of 30 days feeding claw 79b after feeding position momentary recovery to Feed front position.Also, date in solar month of 30 days feeding ratchet wheel 76 is resiliently supported portion's 79c elastic bearings into can be radially oriented interior sidesway It is dynamic.Therefore, even if date in solar month of 30 days feeding claw 79b is being positioned against feeding tooth when front position is recovered with date wheel 20 after feeding Portion 22 is abutted can also move to radially inner side., it is to avoid date in solar month of 30 days feeding claw 79b engaging with teeth portion 22, therefore day thus Phase wheel 20 will not be reversely rotated towards CCW directions.

Then, as shown in figure 13, date feeding ratchet wheel 47, control cam 45 and the action cam 50 of Zhu Huan mechanisms 40 Rotated at a high speed towards CW directions around first axle C1.The claw 47c of date feeding ratchet wheel 47 is abutted and right with the teeth portion 22 of date wheel 20 It is pressed.

Then, as shown in figure 14, date wheel 20 releases the engaging with date locating rod 25 and revolved around central shaft O towards CW directions Turn.In addition, with the rotation of date wheel 20, month feeding portion 26 pushes the month breast wheel 28 for the inner side for being located at date wheel 20 Tooth 28a.Thus, month breast wheel 28 rotates towards CW directions.Released and the moon in addition, taking turns 30 the month engaged with month breast wheel 28 The engaging of locating rod 35 and rotated towards CCW directions.Thus, show month word 15a month display board 15 with month wheel 30 Synchronously rotate.

Then, as shown in figure 15, date wheel 20 engages with date locating rod 25 and revolved around central shaft O towards CW directions again Turn 1 step.Thus, the date word 21 shown in day window 11a is switched to " 1 " from " 31 ".

In addition, month wheel 30 engages with moon locating rod 35 and rotates 1 step towards CCW directions around central shaft O again.Show the moon Part word 15a month display board 15 synchronously rotates 1 step around central shaft O with month wheel 30 towards CCW directions.In moon window 11b Month word 15a of display switches to " MAY " for representing May from " APR " for representing April.

By above content, from during the transfer in first day in last day to the May as the solar month in the April as the solar month of 30 days The action of calendar mechanism 100 is completed.

Figure 16 be show the solar month date feeding in 30 days 23 when 55 points at the time of top view.

Top view at the time of Figure 17 is 00 point when showing the 24 of 30 days in the date feeding in the solar month, and is to enter on the date The figure for the midway state given.

Then, by way of example, for from as the 30 of the May in the solar month day by 31 days to of the June as the solar month of 30 days The action of calendar mechanism 100 when one day (June 1) shifts is illustrated.Also, for foregoing from being used as the 4 of the solar month of 30 days The action identical action of calendar mechanism 100 during the transfer in first day in last day to the May as the solar month of the moon, omits detailed Thin explanation.

As shown in figure 16, in day window 11a, the date word 21 of " 30 " that represent 30 is shown.In addition, in moon window In 11b, the month word 15a of " MAY " in the May for being denoted as the solar month is shown.

Further, since date wheel 20 is shown 30, therefore the terminal part 74a of judgement bar 74 on the 30th is configured in and date wheel At the 20 corresponding position of determination units on the 30th 29.

In addition, the solar month of 30 days judge bar 75 terminal part 75a be configured in it is corresponding with the convex portion 34a in the May as the solar month At position.

Process over time, the date feeds ratchet wheel 47, control cam 45, date finger driving wheel 43 and action cam 50 towards CW directions Rotation.Date feeding judges that the terminal part 73a of bar 73 reaches the date feeding determination unit 46 of control cam 45.

Then, as shown in figure 16,55 timesharing when as the 23 of 30 days, date feeding judges that the terminal part 73a of bar 73 is borrowed The active force that power-assist makees body of rod spring 72 is intended to enter in the date feeding determination unit 46 of control cam 45.

Here, the solar month of 30 days judges that the terminal part 75a of bar 75 is configured at position corresponding with convex portion 34a.Therefore, the solar month of 30 days is sentenced The terminal part 75a of fixed pole 75 is abutted with convex portion 34a, action the body of rod 71 towards CCW directions rotation (that is, from first position to The movement of the second place) limited.The state that day breast wheel 85 is changed to be separated with date feeding ratchet wheel 47 is kept.Therefore, come The power transmission for feeding ratchet wheel 47 from the date is cut off, so as to change the blade tooth wheel of day breast wheel 85 and date in solar month of 30 days feeding ratchet wheel 76 78 are kept without rotating.

Then, 00 timesharing when as the 24 of 30 days, acts the second convex portion 53b of cam lever 52 by action cam lever bullet The active force of spring 54 and the press surface 50b of push action cam 50.Thus, the date feeding ratchet wheel 47 of Zhu Huan mechanisms 40, control Cam 45 processed and action cam 50 rotate at a high speed than date finger driving wheel 43 towards CW directions.

Then, as shown in figure 17, date feeding ratchet wheel 47, control cam 45 and the action cam 50 of Zhu Huan mechanisms 40 Rotated at a high speed towards CW directions around first axle C1.The claw 47c of date feeding ratchet wheel 47 is abutted and right with the teeth portion 22 of date wheel 20 It is pressed.Date wheel 20 releases the engaging with date locating rod 25 and rotated around central shaft O towards CW directions.Also, now, Date feeding judges the region sliding contact beyond the terminal part 73a of bar 73 and the date feeding determination unit 46 of control cam 45.

Then, as shown in figure 18, date wheel 20 engages with date locating rod 25 and rotated around central shaft O towards CW directions again 1 step.The date word 21 shown in day window 11a is switched to " 31 " from " 30 ".

When from the last day in the solar month being the i.e. switching on June 1 in first day in May 31 to solar month of 30 days, similarly carry out Action.That is, 00 timesharing when 24 as May 31, acts the second convex portion 53b of cam lever 52 by action cam lever spring 54 active force and the press surface 50b of push action cam 50.Date feeding ratchet wheel 47, the control cam 45 of Zhu Huan mechanisms 40 And action cam 50 rotates at a high speed around first axle C1 towards CW directions.The claw 47c and date wheel 20 of date feeding ratchet wheel 47 Teeth portion 22 abuts and it is pressed.Thus, date wheel 20 release the engaging with date locating rod 25 and around central shaft O towards CW Direction rotates.

In addition, with the rotation of date wheel 20, month feeding portion 26 pushes and is located in the middle of the month of the inner side of date wheel 20 The tooth 28a of wheel 28.Thus, month breast wheel 28 rotates towards CW directions.Solved in addition, taking turns 30 the month engaged with month breast wheel 28 Rotated except the engaging with moon locating rod 35 towards CCW directions.Thus, the month display board 15 and moon in month word 15a is shown Part wheel 30 synchronously rotates towards CCW directions

Then, date wheel 20 engages with date locating rod 25 and rotates 1 step towards CW directions around central shaft O again.Thus, The date word 21 shown in day window 11a is switched to " 1 " from " 31 ".

In addition, month wheel 30 engages with moon locating rod 35 and rotates 1 step towards CCW directions around central shaft O again.Thus, exist Month word 15a shown in moon window 11b switches to " JUN " for representing June from " MAY " for representing May.

By last day it is 31 to as the of the solar month from as the 30 of the May in the solar month day by above content The action of calendar mechanism 100 during the transfer on June 1 of one day is completed.

According to present embodiment, calendar mechanism 100 can be acted using acting the body of rod 71, therefore, with possessing 4 bars Conventional art compares, and can cut down number of components, and can be formed as simple structure.

Further, since being provided with judgement bars 74 on the 30th and solar month of 30 days judgement bar 75 on the action body of rod 71, therefore, only pass through dress Just judgement bars 74 on the 30th and solar month of 30 days can be judged that bar 75 is configured in defined position with the action body of rod 71.That is, without to 30 days Judge that bar 74 and solar month of 30 days judge that bar 75 is individually aligned, therefore, it is possible to easily be manufactured.

In addition, by making judgement bar 74 on the 30th follow determination units 29 on the 30th and the solar month of 30 days is judged that bar 75 follows month cam 33 Recess 34b, thus, the action body of rod 71 are rotated from first position towards the second place, when acting the body of rod 71 in the second place, Change day breast wheel 85 and date feeding ratchet wheel 47 to engage, therefore, it is possible to be fed into ratchet wheel 47 via changing day breast wheel 85 date Power is transferred to date in solar month of 30 days feeding ratchet wheel 76.Therefore, it is possible to feed ratchet wheel 47 and small by the date in the last day in solar month of 30 days Date moon feeding ratchet wheel 76 makes the rotation of date wheel 20 correctly feed the date.

Further, since the action body of rod 71 has with controlling the date feeding of the outer peripheral face sliding contact of cam 45 to judge bar 73, therefore, it is possible to make judgement bar 74 on the 30th follow determination unit 29 on the 30th in the case where not contacted with date wheel 20.Thus, energy It is enough to suppress to produce load from the action body of rod 71 to date wheel 20, therefore, it is possible to prevent date wheel 20 from offseting, so that in defined position Put and show date.

Date in solar month of 30 days feeding ratchet wheel 76 is positioned against before feeding after feeding further, since solar month of 30 days Huan mechanism 70 possesses The back-moving spring 82 of position force, therefore, date in solar month of 30 days feeding ratchet wheel 76 can be such that date wheel 20 recovers after rotating in the small middle of the month To feeding front position.Therefore, the date also can correctly be fed even in next small middle of the month.

Further, since flexible support 79c, wherein, elastic supporting part 79c is by date in solar month of 30 days feeding claw 79b bullet Property be supported to can towards the date in solar month of 30 days feed ratchet wheel 76 radially inner side movement, therefore, it is possible in date in solar month of 30 days feeding claw 79b It is positioned against preventing date wheel 20 from rotating when feeding front position is recovered after feeding.Therefore, it is possible to logical in the last day in solar month of 30 days Crossing date feeding ratchet wheel 47 and date in solar month of 30 days feeding ratchet wheel 76 makes date wheel rotation correctly feed the date.

Further, since possess above-mentioned calendar mechanism 100 that is simple in construction and can easily manufacturing, can therefore, it is possible to realize By the movement 10 and clock and watch 1 that property is excellent, inexpensive.

(variation of embodiment)

Figure 19 is the top view of the movement for the calendar mechanism for possessing variation, and Figure 20 is the sectional view along Figure 19 line C-C.

Then, the variation to embodiment is illustrated.

The calendar mechanism 100 of above-mentioned embodiment possesses：Cam 45 is controlled, it is relative to date finger driving wheel 43 can rotate Mode be laminated；With the date feeding judge bar 73, itself and control the sliding contact of cam 45 (reference picture 2 and Fig. 4).

On the other hand, as illustrated in figures 19 and 20, the calendar mechanism 100 that the variation of embodiment is related to is not possessing control On this point cam processed and date feeding judge bar is different from embodiment.Also, hereinafter, for above-mentioned embodiment phase Same structure division, omits detailed description.

(Zhu Huan mechanisms)

As illustrated in figures 19 and 20, Zhu Huan mechanisms 40 possess change sell every day 41, date finger driving wheel 43, action cam 50, act it is convex Take turns bar 52 and date feeding ratchet wheel 47.

Change and sell 41 every day and be formed as tubular, and axle portion part 6 is rotatably loosely inserted in around first axle C1.41 are sold every day changing Axial direction on center section, be provided with supporting board 41a.Supporting board 41a is configured in than date finger driving wheel 43 by movement 10 At rear side.When observing vertically, supporting board 41a is formed as toroidal, and is the diameter smaller than date finger driving wheel 43.

Date feeding ratchet wheel 47 changes the back side side end for selling 41 every day by outer be fixed on.The date of date feeding ratchet wheel 47 enters To blade tooth wheel 47a to be configured with the supporting board 41a states abutted.

Solar month of 30 days Huan, mechanism 70 possessed the action body of rod 71.

The action body of rod 71 possesses banking pin portion 71a, judgement bars 74 on the 30th and solar month of 30 days judgement bar 75.The He of judgement bar 74 on the 30th Solar month of 30 days judges that bar 75 forms as one.

The terminal part 74a of judgement bar 74 on the 30th is formed deviously towards the inner peripheral surface 20a of date wheel 20.Judgement bar 74 on the 30th Terminal part 74a by action body of rod spring 72 active force and contacted with the inner peripheral surface 20a of date wheel 20.

It is that the terminal part 74a of judgement bar 74 on the 30th, which enters 30, to be judged in the last day in solar month of 30 days when switching within 30th Portion 29 and with its sliding contact, so as to follow the determination unit 29 on the 30th.

Date in solar month of 30 days, feeding claw 79b was radially formed longer.Date in solar month of 30 days, feeding claw 79b was more outside to footpath than blade tooth wheel 78 Side is protruded, and is approximately towards 9 o'clock direction.

Beyond determination units 29 on the 30th in the terminal part 74a of judgement bar 74 on the 30th and the inner peripheral surface 20a of date wheel 20 During the sliding contact of region, the action body of rod 71 is configured in around the second axle C2 to the inclined first position in CW directions.In addition, on 30th The terminal part 74a entry dates for judging bar 74 take turns 20 determination units 29 on the 30th and during with its sliding contact, act the body of rod 71 by with It is placed in around the second axle C2 than first position to the inclined second place in CCW directions.

(effect)

Then, the effect for the calendar mechanism 100 that the variation to above-mentioned embodiment is related to is illustrated.Hereinafter, pin The effect of calendar mechanism 100 untill turning into first day of secondary month to the last day by month is illustrated.

Figure 23 to Figure 27 be show the solar month of 30 days date feeding in last day 24 when 00 point at the time of top view, and And they are arranged according to Figure 23 to Figure 27 order with time series.

First, the action of the calendar mechanism 100 untill for the last day by the solar month of 30 days as first day of secondary month Illustrate.Below, by way of example, for last day (April 30) to the May as the solar month from the April as the solar month of 30 days First day (May 1) transfer when the action of calendar mechanism 100 illustrate.

As shown in figure 19, in day window 11a, expose and show the date word 21 of " 29 " that represent 29.In moon window In 11b, expose and show the month word 15a of " APR " in the April for being denoted as the solar month of 30 days.

In addition, the solar month of 30 days judges that the terminal part 75a of bar 75 is configured in the position corresponding with the recess 34b in solar month of 30 days.

00 when will turn into 24 of the previous day, i.e. 29 day of last day in the date feeding in solar month of 30 days/preceding, it is main The date feeding ratchet wheel 47 and action cam 50 of Huan mechanisms 40 rotate at a high speed than date finger driving wheel 43 towards CW directions.Date feeds ratchet wheel 47 claw 47c is abutted with the teeth portion 22 of date wheel 20 and it is pressed.

Then, as shown in figure 21,00 timesharing, date wheel when the last day in the date feeding in solar month of 30 days is the 00 of 30 days 20 1 steps of rotation, the date word 21 exposed from day window 11a is switched to " 30 " from " 29 ".

Then, the terminal part 74a date of arrivals of judgement bar 74 on the 30th take turns 20 determination units 29 on the 30th, and by actuating strut Determination units 29 on the 30th of the active force of body spring 72 and entry date wheel 20.In addition, the solar month of 30 days judges that the terminal part 75a of bar 75 enters The recess 34b of month cam 33 and it is followed.Thus, action the body of rod 71 centered on the second axle C2 towards CCW directions rotate, from around Second axle C2 is moved to the inclined first position in CW directions towards around the second axle C2 than first position to the inclined second place in CCW directions It is dynamic.Also, change day breast wheel 85 to move with the rotation of the action body of rod 71, and engaged with date feeding ratchet wheel 47.

The banking pin portion 51 of cam 50 is acted because the date feeds ratchet wheel 47 with the high-speed mobile for acting cam 50 in groove Move, then, be resisted against after the defined time (in the present embodiment, being 55 minutes about 5 hours) with one in portion 43a The groove portion 43a of the date finger driving wheel 43 of fixed speed rotation CCW directions end.Therefore, action cam 50 and date feeding ratchet wheel 47 Do not rotate to 55 points when the 5 of 30 days and just stopped.

Then, as shown in figure 22,55 timesharing when for example as the 5 of 30 days, act cam 50 banking pin portion 51 against In the groove portion 43a of date finger driving wheel 43 CCW directions end.Thus, the date finger driving wheel 43 rotated with certain speed towards CW directions it is dynamic Power is passed to action cam 50 via banking pin portion 51 and the date feeds ratchet wheel 47.Act cam 50 and date feeding ratchet wheel 47 Synchronously rotated with date finger driving wheel 43.In addition, day breast wheel 85 that changes engaged with date feeding ratchet wheel 47 is fed ratchet wheel from the date 47 transmission power, so as to be rotated centered on the 3rd axle C3 towards CCW directions with defined speed.

As shown in figure 23, process over time, the date in solar month of 30 days engaged with changing day breast wheel 85 feeds the pawl of ratchet wheel 76 Gear 78 overcomes the active force of back-moving spring 82 to be rotated towards CW directions with defined speed.

Then, as shown in figure 24,00 timesharing when as the 24 of 30 days, the date in solar month of 30 days of date in solar month of 30 days feeding ratchet wheel 76 enters Abutted to pawl 79b with the teeth portion 22 of date wheel 20.Also, date in the solar month of 30 days feeding claw 79b pressings of date in solar month of 30 days feeding ratchet wheel 76 The teeth portion 22 of date wheel 20.

Then, as shown in figure 25, date wheel 20 releases the engaging with date locating rod 25 and revolved around central shaft O towards CW directions Turn.In addition, determination unit 29 on the 30th is moved with the rotation of date wheel 20 towards CW directions.Now, into determination unit 29 on the 30th The terminal part 74a of judgement bars 74 on the 30th be intended to deviate from from determination unit 29 on the 30th.In addition, the action body of rod 71 is centered on the second axle C2 Rotated towards CW directions.

Then, as shown in figure 26, date wheel 20 engages with date locating rod 25 and rotated around central shaft O towards CW directions again 1 step.The date word 21 shown in day window 11a is switched to " 31 " from " 30 ".

The action body of rod 71 inclines to the inclined second place direction in CCW directions from around the second axle C2 around the second axle C2 to CW directions Oblique first position, is rotated centered on the second axle C2 along CW directions.Thus, change day breast wheel 85 from the date feeding ratchet wheel 47 from Open.

In addition, date in solar month of 30 days feeding ratchet wheel 76, via change the progress of day breast wheel 85 feed ratchet wheel 47 from the date Power transmission is released from.Date in solar month of 30 days feed ratchet wheel 76 by back-moving spring 82 active force around the second axle towards CCW directions at a high speed Rotation, after feeding position momentary recovery to feeding front position.

In addition, the second convex portion 53b of action cam lever 52 reaches press surface 50b and right due to acting the rotation of cam 50 It is pressed.Thus, the date feeding ratchet wheel 47 and action cam 50 of Zhu Huan mechanisms 40 revolve at a high speed than date finger driving wheel 43 towards CW directions Turn.Date in the solar month of 30 days feeding claw 79b of date in solar month of 30 days feeding ratchet wheel 76 presses the teeth portion 22 of date wheel 20.Date wheel 20 is released and day The engaging of phase locating rod 25 and rotated around central shaft O towards CW directions.

Then, as shown in figure 27, date wheel 20 engages with date locating rod 25 and rotated around central shaft O towards CW directions again 1 step.The date word 21 shown in day window 11a is switched to " 1 " from " 31 ".

In addition, with the rotation of date wheel 20, month feeding portion 26 pushes and is located in the middle of the month of the inner side of date wheel 20 The tooth 28a of wheel 28.Thus, month word 15a shown in moon window 11b switches to from " APR " for representing April and represents May “MAY”。

Figure 28 is the explanation figure of the date feeding in the solar month.

Then, by way of example, for from as the 30 of the May in the solar month day by as 31 days of last day to conduct The action of calendar mechanism 100 during the transfer on June 1 of first day of the solar month is illustrated.Also, for foregoing embodiment party In calendar mechanism 100 involved by the date feed motion of the calendar mechanism 100 of formula or the variation of foregoing embodiment The date feed motion identical action in solar month of 30 days, omits detailed description.

As shown in figure 28, the solar month of 30 days judges that the terminal part 75a of bar 75 is configured in the convex portion with the solar month (as May in Figure 28) The corresponding positions of 34a.Solar month of 30 days judges that the terminal part 75a of bar 75 is abutted with convex portion 34a, act the body of rod 71 towards CCW directions Rotation is limited (that is, from first position to the movement of the second place).Day breast wheel 85 is changed to separate with date feeding ratchet wheel 47 State be kept.Therefore, the power transmission for feeding ratchet wheel 47 from the date is cut off, so as to change day breast wheel 85 and solar month of 30 days day The blade tooth wheel 78 of phase feeding ratchet wheel 76 is kept without rotating.

Then, at the time of the regulation as 30 days when (such as when 24 00 point), the second convex portion 53b of cam lever 52 is acted The press surface 50b of push action cam 50 by the active force of action cam lever spring 54.Thus, the day of Zhu Huan mechanisms 40 Phase feeds ratchet wheel 47 and action cam 50 and rotated at a high speed towards CW directions than date finger driving wheel 43.Thus, date wheel 20 around central shaft O towards CW Direction rotates 1 step, and the date word 21 shown in day window 11a is switched to " 31 " from " 30 ".

When from the last day in the solar month being the i.e. switching on June 1 in first day in May 31 to solar month of 30 days, similarly carry out Action.That is, 00 timesharing when 24 as May 31, acts the second convex portion 53b of cam lever 52 by action cam lever spring 54 active force and the press surface 50b of push action cam 50.Thus, date wheel 20 rotates 1 step around central shaft O towards CW directions, The date word 21 shown in day window 11a is switched to " 1 " from " 31 ".

In addition, with the rotation of date wheel 20, month feeding portion 26 pushes and is located in the middle of the month of the inner side of date wheel 20 The tooth 28a of wheel 28.Thus, month word 15a shown in moon window 11b switches to from " MAY " for representing May and represents June “JUN”。

According to the variation of embodiment, result in and foregoing embodiment identical effect.It is additionally, since and is not required to Cam is controlled, therefore, it is possible to realize the calendar mechanism 100 for more minimizing and being thinned.

Also, the technical scope of the present invention is not limited to the mode of above-mentioned implementation, the master of the present invention can not departed from Various changes are added in the range of purport.

The control cam 45 of embodiment is formed as：The side 46a in the CW directions of date feeding determination unit 46 is along radially (reference picture 5).

On the other hand, control cam 45 that can also be as shown in figure 29 like that, makes the date feed the CW directions of determination unit 46 Side 46a tilted from radially inner side towards CW directions laterally outwardly so that the date feeds the enlarged open of determination unit 46.

According to the structure, date feeding judges the terminal part 73a of bar 73 while being slided on inclined side 46a, on one side Determination unit 46 is fed with the speed entry date lower than embodiment.Now, the action body of rod 71 is from first position towards second Put with the speed rotation lower than embodiment, therefore, the date feeds ratchet wheel 47 and changes day breast wheel 85 with lower than embodiment Speed is engaged.It is durable therefore, it is possible to realize thereby, it is possible to suppress the abrasion of date feeding ratchet wheel 47 and the tooth for changing day breast wheel 85 The excellent calendar mechanism 100 of property.

Figure 30 is the outside drawing for the clock and watch that another embodiment is related to, and Figure 31 is that another embodiment shown in Figure 30 is related to Clock and watch movement sectional view.

In embodiments, month display board 15 is arranged to lean on than dial plate 11 to the face side of movement 10, and shows month Show that month word 15a from the moon window 11b of plate 15 exposes, thus show month (reference picture 1 and Fig. 3).

On the other hand, moon pin 18 as shown in figures 30 and 31, can also be arranged to lean on than dial plate 11 to the back side of movement 10 Side, 1 to 12 word shown on dial plate 11 is indicated using moon pin 18, month is thus shown.

In embodiments, employ hairspring and be used as back-moving spring 82, but be not limited to hairspring.It may be thus possible, for example, to Back-moving spring is used as using helical spring, it would however also be possible to employ leaf spring is used as back-moving spring.

Furthermore it is possible to without departing from the spirit and scope of the invention suitably by the structural element in above-mentioned embodiment Replace with known structural element.

Claims

1. a kind of calendar mechanism, it is characterised in that

The calendar mechanism possesses：

Month is taken turns, and one year rotation is turned around；

Revolve the date wheel that turns around within one month, there is determination unit on the 30th at its defined position in the circumferential；

Revolve the Zhu Huan mechanisms turned around within one day, it rotates the date wheel；And

Solar month of 30 days Huan mechanism, its number of days date wheel rotation described in last angel in solar month of 30 days of less than 30 days at one month,

The month wheel has month cam, and the month cam is formed with solar month of 30 days determination unit corresponding with the solar month of 30 days in outer peripheral face,

The Zhu Huan mechanisms have：

Revolve the action cam that turns around within one day, it relative to the date finger driving wheel turned around is revolved within one day with certain speed can rotate Mode be laminated in the date finger driving wheel；With

Date feeds ratchet wheel, and it synchronously rotates with the action cam, rotates the date wheel,

The solar month of 30 days Huan mechanisms have：

The body of rod is acted, it is rotated around defined axle, and be provided with and can follow the judgement bars on the 30th and energy of the determination unit on the 30th The solar month of 30 days for enough following the solar month of 30 days determination unit judges bar；

Date in solar month of 30 days feeds ratchet wheel, date wheel rotation described in its last angel in the solar month of 30 days；And

A day breast wheel is changed, it is configured to dynamic relative to described in the state of being engaged with the date in solar month of 30 days feeding ratchet wheel Make body of rod rotation,

By making the judgement bar on the 30th follow the determination unit on the 30th and the solar month of 30 days is judged that bar follows the solar month of 30 days judgement Portion, thus, the action body of rod are rotated from first position towards the second place,

Day breast wheel that changes leaves the date feeding ratchet wheel when the action body of rod is in the first position, and in institute Engaged when stating the action body of rod in the second place with date feeding ratchet wheel.

2. calendar mechanism according to claim 1, it is characterised in that

The Zhu Huan mechanisms possess control cam, and the control cam synchronously rotates with the action cam, and in periphery There is the date to feed determination unit in face,

There is the action body of rod date feeding with the outer peripheral face sliding contact of the control cam to judge bar, on the date When feeding judges that bar feeds determination unit sliding contact with the date, the judgement bar on the 30th follows the determination unit on the 30th, and And the solar month of 30 days judges that bar follows the solar month of 30 days determination unit.

3. calendar mechanism according to claim 1 or 2, it is characterised in that

The solar month of 30 days Huan mechanisms possess force application component, and the force application component feeds ratchet wheel to the date in solar month of 30 days from making the day Feeding front position before phase wheel rotation towards make the date wheel rotate after feeding after position force.

4. calendar mechanism according to claim 3, it is characterised in that

Date in the solar month of 30 days feeding ratchet wheel possesses date in solar month of 30 days feeding claw, and date in the solar month of 30 days feeding claw presses the date wheel Teeth portion and rotate the date wheel,

The date in solar month of 30 days feeds the flexible support of ratchet wheel, and the elastic supporting part is elastic by date in the solar month of 30 days feeding claw It is supported to：Date in the solar month of 30 days feeding claw can be positioned against feeding front position movement after the feeding and with it is described The radially inner side movement of ratchet wheel is fed when teeth portion is abutted towards the date in solar month of 30 days.

5. a kind of movement, it is characterised in that

The movement possesses the calendar mechanism described in claim 4.

6. a kind of clock and watch, it is characterised in that

The clock and watch possess the movement described in claim 5.