CN2470857Y

CN2470857Y - Watch calender instantaneous-tripping mechanism

Info

Publication number: CN2470857Y
Application number: CN 01210816
Authority: CN
Inventors: 赵玉林
Original assignee: HANGZHOU WATCH CO Ltd
Current assignee: HANGZHOU WATCH CO Ltd
Priority date: 2001-02-28
Filing date: 2001-02-28
Publication date: 2002-01-09
Anticipated expiration: 2011-02-28

Abstract

Disclosed is a date transforming mechanism for a mechanical watch, in particular to a instantaneous calendar. The utility model includes an hour wheel, a twin intermediate wheel, a date shifting wheel, a calendar shifting head, a calendar ring and a calendar positioning pole. A round arc groove is arranged on the date shifting wheel, a convex wheel which is fixedly connected with the calendar shifting head is actively nested on the shaft of the date shifting wheel, a pin shaft which can be actively nested and connected within the round arc groove of the date shifting wheel is fixedly connected with the end face of the convex wheel, a re-positioning pole and a reset spring are arranged at the side end of the convex wheel. The utility model makes the watch displaying correct, clear and complete date figures at any time, which is convenient for people to use with even distributed moment load and small power loss during calendar transforming. So the watch works accurately and reliably.

Description

Wrist-watch calendar instantaneous movement

The utility model relates to a kind of date mapping device that is used for mechanical watch or indicating quartz electronic wristwatch, especially a kind ofly changes date this date tomorrow change in the instantaneously changing mode and goes through mechanism.It also can be used in the week week fate the instantaneously changing conversion.

Existing mechanical wrist-watch or indicating quartz electronic wristwatch change the structure of going through mechanism and change the process of going through and can see from Fig. 7～Figure 10, and it contains hour wheel 1, duplex third wheel 2, dials the sun 3, calendar shifting block 4, date rings 5, date indicator jumper 6.When hour wheel 1 clockwise rotates, driven group sun 3 by duplex third wheel 2 and rotated, be fixed in the calendar shifting block of dialling on the sun 34 and also rotate (rotation direction of all representing each part among each figure) thereupon with solid arrow; When calendar shifting block 4 contacts (as shown in Figure 7) with tooth on the date rings 5, can begin to promote date rings 5 and do clockwise slow rotation, meanwhile, date indicator jumper 6 is also because of being subjected to the promotion of the tooth close with it on the date rings 5, its left end begins slowly to upwarp, this process can be referring to the position shown in Fig. 8, this process is referred to as meaning ' climbing ' in the wrist-watch industry; Up to the top tooth top (position as shown in Figure 9) of date indicator jumper 6 left ends by the date rings tooth, at this moment the elastic force effect that is subjected to the date indicator jumper afterbody forces that date rings 5 clockwise quick rotation put in place, conversion the date and on this position the location stop (position as shown in Figure 10), until the next date change go through before till.The circulation once a day of said process repeats, and can make the conversion everyday of wrist-watch calendar.The shortcoming of going through mechanism of changing of existing wrist-watch is: 1) process of above-mentioned ' climbing ' occurs in every night about 10 o'clock, usually needed finish in 2～3 hours, cause in this time period, incomplete date numeral can appear in the calendar window of Watch dail plate, cause people can not read definite date numeral, therefore feel inconvenience; 2) in slow ' climbing ' process, the moment load power loss very inhomogeneous, that change in the process of going through in the wrist-watch is also bigger, and loads and very easily cause the amplitude of oscillation of wrist-watch escapement sharply to descend when big, even wrist-watch stops to walk about.

The purpose of this utility model is to overcome the shortcoming that exists in the above-mentioned prior art, a kind of wrist-watch calendar instantaneous movement is provided, with in the calendar window that is implemented in Watch dail plate with the instantaneously changing mode conversion date, guarantee that the date numeral is all clear, complete, correct at any time, and make the moment load of mechanism in changing the process of going through evenly, power loss is little, thereby make the stable, reliable, correct of wrist-watch.

The utility model wrist-watch calendar instantaneous movement, it contains hour wheel, duplex third wheel, dials the sun, calendar shifting block, date rings, date indicator jumper, be characterized in: dial on the sun and have arc-shaped slot, and go back cam affixed of kink on its wheel shaft with the calendar shifting block, an affixed energy kink is connected the bearing pin in the arc-shaped slot of dialling the sun on the end face of this cam, and the cam side has ejector return pin that can be promoted by cam and the return spring that ejector return pin is resetted.

The utility model has the advantages that: 1) it has realized the moment conversion of the date numeral on the Watch dail plate calendar window, thereby makes wrist-watch all can show date of place day at any time with correct, clear, complete numeral, with easy for people to use; 2) the utility model can make wrist-watch its in-house moment load comparatively evenly in changing the process of going through, power loss is very little, thereby can improve the correctness and the reliability of wrist-watch operation.

To and contrast accompanying drawing by embodiment below, the utility model will be further described below.Accompanying drawing thes contents are as follows:

To be the utility model wrist-watch calendar instantaneous movement change front view on the diverse location of the process of going through at it to Fig. 1～Fig. 4; Wherein Fig. 1 is that initial position, Fig. 2～Fig. 3 at it are the positions of each assembly after two positions, Fig. 4 of instantaneously changing front and back are instantaneously changing;

Fig. 5 is the A-A cut-open view among Fig. 1;

Fig. 6 is that existing wrist-watch changes and goes through mechanism with the output torque of the utility model wrist-watch calendar instantaneous movement and the comparison diagram of moment load curve;

Fig. 7～Figure 10 is that changing of existing wrist-watch gone through mechanism and changed front view on the diverse location of the process of going through at it; Wherein Fig. 7 is its calendar shifting block 4 when tooth on the date rings 5 contacts position, Fig. 8～Fig. 9 are that date rings 5 is done clockwise slow rotation and date indicator jumper 6 slowly upwarps ' climbing ' start of line position, Figure 10 is the position that date rings 5 clockwise quick rotation put in place;

Figure 11 and Figure 12 express a kind of structural representation of the day-date instantaneous movement with calendar and week, and wherein Figure 11 is that their thermal energy storage process synoptic diagram, Figure 12 release energy and impact the synoptic diagram of date rings tooth process.

From Fig. 1～Fig. 5, can see the structure of the utility model wrist-watch calendar instantaneous movement, can see also among Fig. 1～Fig. 4 that wherein this mechanism is in the variation of changing the part position on the diverse location of the process of going through.It contains hour wheel 1, duplex third wheel 2, dials the sun 3, calendar shifting block 4, date rings 5, date indicator jumper 6; Wherein dial and have arc-shaped slot 31 (this arc-shaped slot is represented by dotted lines it because of the blocking of calendar shifting block 4 that is subjected on it in Fig. 1～Fig. 4) on the sun 3, and dial the affixed cam 7 of one of kink on the wheel shaft of the sun and calendar shifting block 4, an affixed energy kink is connected the bearing pin 71 in the arc-shaped slot 31 of dialling the sun on the lower surface of this cam, and the cam side has ejector return pin 9 that can be subjected to its promotion and the accumulation of energy return spring 8 that ejector return pin is resetted.Arc-shaped slot 31 when dialling arc length on the sun 3 circumferencial directions and should be satisfied with the calendar shifting block and stirring tooth on the date rings, the angle that should be able to turn over before and after it.

The course of work of the utility model wrist-watch calendar instantaneous movement is as follows: the initial position when Fig. 1 is startup; When hour wheel 1 clockwise rotates, having driven group sun 3 by duplex third wheel 2 rotates, cam can drive with its affixed calendar shifting block 4 in company with dialling the sun 3 rotations by the bearing pin 71 of its lower end, meanwhile, cam promotes ejector return pin 9 again, at this moment accumulation of energy return spring 8 has been saved energy because of being compressed, as shown in Figure 2; The rotation of dialling the sun 3 can be pushed into the rightest extreme position with ejector return pin, shown in Fig. 3 position, accumulation of energy return spring 8 is compressed into maximum at the moment, has finished the process of energy storage, and calendar shifting block 4 has also forwarded the place ahead of a tooth on the date rings 5 to, soon this tooth on the date rings is impacted; Thereafter, ejector return pin 9 by behind the rightest extreme position because of the elastic force effect that is subjected to accumulation of energy return spring 8 suddenly left, make ejector return pin force cam and turn over an angle together with calendar shifting block 4, the calendar shifting block impacts the tooth on the date rings, make date rings turn over an angle, meanwhile, this impact of calendar shifting block makes date rings turn over an angle that can make its tooth top cross the pinnacle, end of date indicator jumper 6 again, make date indicator jumper under the elastic force effect, enter its position location, as shown in Figure 4, at this moment the date numeral on the date rings with clear, complete, correctly be presented on the date window (being represented among the figure) of Watch dail plate.The release of the energy in the said process-calendar shifting block impact-date indicator jumper positions, and they are being all with carrying out in a flash, therefore this instantaneously changing in an instant between (being set in midnight usually in a flash) finished the calendar digital conversion on the same day.After this get back to again on the reference position among Fig. 1, to treat the date digital conversion of next day.

Structure of the present utility model can be used for the conversion in wrist-watch week equally.Figure 11 and Figure 12 express a kind of structural representation of the day-date instantaneous movement with calendar and week, and wherein Figure 11 is that their thermal energy storage process synoptic diagram, Figure 12 release energy and impact the synoptic diagram of date rings tooth process.It is in order to finish the digital conversion in Watch dail plate date, weeks two window.

The utility model wrist-watch calendar instantaneous movement is gone through the output torque of mechanism and the size of moment load with changing of existing wrist-watch, can see that wherein curve I is that moment curve of output, curve II and the curve III of watch main-spring are respectively that changing of existing wrist-watch gone through mechanism and the utility model wrist-watch calendar instantaneous movement tightens the back moment load curve of 30 hour period of operation at watch main-spring from Fig. 5; Find out obviously that from this figure changing of existing wrist-watch go through mechanism in 2～3 hours that change a few days ago, its moment load sharply increases to peak, and when changing day its moment load very near the output valve of clockwork spring moment, so very easily occur stopping to walk about because of wrist-watch is unequal to heavy burden.

If indicating quartz electronic wristwatch then stops to walk about to the increase of moment load is more sensitive, easier because the output torque of its stepper motor is less.

Claims

1 one kinds of wrist-watch calendar instantaneous movements, it contains hour wheel (1), duplex third wheel (2), dials the sun (3), calendar shifting block (4), date rings (5), date indicator jumper (6), it is characterized in that: dial on the sun (3) and have arc-shaped slot (31), and cam (7) affixed of kink on its wheel shaft with calendar shifting block (4), an affixed energy kink is connected the bearing pin (71) in the arc-shaped slot (31) of dialling the sun on the end face of this cam, and the cam side has ejector return pin (9) that can be promoted by cam and the return spring (8) that ejector return pin is resetted.