JP6295845B2 - clock - Google Patents

Description

  The present invention relates to a timepiece, and more particularly, to an analog timepiece including a time display and a second information display unit such as calendar information.

Conventionally, in an analog timepiece having a small hand display unit that displays calendar (calendar) information such as day and day of the week with small hands, one that can correct the small hand display by operating a crown or an operation button is known (for example, Patent Document 1).
In the analog timepiece described in Patent Document 1, a correction unit for displaying small hands by operating an operation button includes a time display wheel that continuously rotates with display of time (first information), and calendar information (second A small hand display wheel for displaying the information), a turning wheel that is rotated by a time display wheel via a transmission wheel, and rotates the small needle display wheel at a predetermined cycle by a claw portion provided at a position different from the rotation shaft, And a correction lever that regulates the time display wheel at a regulation position that is rotated by a predetermined amount when the calendar information is corrected. Then, the calendar information can be corrected by pressing the operation button and operating the correction lever to rotate the small hand display wheel by a predetermined amount.

JP 2010-243160 A

  However, in the analog timepiece described in Patent Document 1, in the calendar correction by operating the correction lever by the operation button, if the state in which the operation button is pressed is held for a certain period of time, the small hand display wheel locked by the correction lever When the tooth tip circle enters the rotation range of the claw part provided on the wheel, the tooth of the small hand display wheel interferes with the claw part, and the time display is distorted, the claw part, etc. There is a problem that there is a risk of damage.

  SUMMARY An advantage of some aspects of the invention is to solve at least a part of the problems described above, and the invention can be implemented as the following forms or application examples.

  Application Example 1 A timepiece according to this application example includes a first display wheel that rotates in accordance with display of first information, a second display vehicle that displays second information, and the transmission vehicle via the transmission wheel. A rotating wheel that is rotated by the first display wheel and rotates the second display wheel at a predetermined cycle by a claw portion provided at a position different from the rotation axis, and the second wheel for correcting the second information. A correction lever that restricts the display wheel at a restriction position that is rotated by a predetermined amount; and an operation button that operates the correction lever, and the correction lever has a tooth tip of the second display wheel at the restriction position. The second display wheel is regulated such that a circle is located at a position outside the rotation range of the claw portion as the rotation wheel rotates.

According to this application example, when the second information is corrected by the operation button, the tooth tip of the gear of the second display wheel and the claw portion of the rotating wheel come into contact with each other at the restriction position of the correction lever. There is no.
Accordingly, when the state in which the operation button is pressed is held, the second display vehicle is rotated when the second display vehicle is rotated by the claw portion of the vehicle by the continuous rotation of the first display vehicle. It is possible to prevent problems such as the display wheel and the claw portion coming into contact with each other and the display of the first information being out of order or the claw portion being damaged.

  Application Example 2 In the timepiece according to the application example, the correction lever is in contact with the base end portion pressed by the operation button when the operation button is pressed and the second display wheel. A front end portion, and the front end portion regulates the rotation of the second display vehicle at the restriction position, and a feed portion that comes into contact with the second display vehicle when the operation button is pressed. It has a restriction part.

  According to this application example, when the second information is corrected by the operation button, the contact between the second display vehicle and the claw portion of the rotating vehicle can be prevented at the restriction position of the correction lever.

  Application Example 3 In the timepiece according to the application example, the correction lever includes a first correction lever and a second correction lever, and the base end portion and the tip end portion of the first correction lever are provided. The base end side of the second correction lever is connected between the first correction lever and the second correction lever.

  According to this application example, when the layout of the second display vehicle that displays the second information is changed, the correction lever used in the layout before the change is applied as the first correction lever. By connecting the second correction lever to the correction lever, the second information can be corrected by the operation button.

  Application Example 4 In the timepiece according to the application example described above, a secondary battery that stores electric power generated by a generator or a solar battery driven by rotation of a rotating weight, and a control driven by electric energy of the secondary battery. A rechargeable electronic timepiece having a circuit and a stepping motor operated by a pulse signal from the control circuit.

  According to this application example, unlike a general electronic timepiece using a primary battery, the rechargeable timepiece stops when the amount of charge is insufficient. This is expected to occur frequently. Therefore, in the timepiece of the present invention having the correction mechanism using the operation button and the correction lever, even when the display of the second display vehicle is corrected, the display of the first information is affected, It can be corrected quickly without causing problems due to contact with the two-display vehicle, and is highly convenient.

FIG. 3 is a plan view showing a display form on a dial of the timepiece according to the first embodiment. The top view which shows typically a part of wheel train structure of a timepiece. FIG. 3 is a partial plan view schematically showing an enlarged part of a wheel train structure of a watch. FIG. 6 is a plan view showing a display state on a dial of a timepiece according to a second embodiment. FIG. 6 is a plan view schematically showing a part of the train wheel structure of the timepiece according to the second embodiment. FIG. 9 is a partial plan view schematically showing an enlarged part of the train wheel structure of the timepiece according to the second embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In each of the following drawings, each layer and each member may be shown on a different scale from the actual scale in order to make each layer and each member recognizable.

(Embodiment 1)
FIG. 1 is a plan view showing a display form on the dial of the timepiece according to the first embodiment. FIG. 2 is a plan view schematically showing a part of the train wheel structure of the watch.
First, a schematic configuration of the timepiece 1 according to the first embodiment will be described.
In FIG. 1, the dial 2 of the timepiece 1 is provided with a time display scale 4 along its periphery. At the center position of the dial 2, a second hand 5, a minute hand 6 and an hour hand 7 for displaying time according to the indication of the scale 4 are arranged coaxially.

Further, a date display portion 8 for displaying the date is provided at the 6 o'clock position when the direction in which the crown 3 of the dial 2 is provided is 3 o'clock, and a date display portion is provided at the center of the date display portion 8. A needle 9 is provided. Further, at the 9 o'clock position of the dial plate 2, a 24-hour display unit 12 for displaying a 24-hour time is provided, and a 24-hour display hand 14 is provided at the center position of the 24-hour display unit 12.
Further, a day indicator 11 for displaying the day of the week is provided at the 12 o'clock position of the dial 2, and a day indicator hand 13 is provided at the center of the day indicator 11.

  Here, the timepiece 1 of the present embodiment includes a rotating weight disposed on a back cover (not shown), a generator driven by the rotation of the rotating weight, a control circuit driven by energy generated by the generator, It is a rechargeable analog electronic timepiece having a stepping motor operated by a pulse signal from a circuit. Here, as the configuration of the rechargeable analog timepiece, the stepping which operates by the pulse signal from the control circuit driven by the voltage of the charged secondary battery is charged in the secondary battery with the electric power generated by the solar battery. Includes those with motors. Since the configuration of the rechargeable electronic timepiece is known, detailed illustration and description thereof are omitted here.

Like a general electronic timepiece, such a timepiece 1 is also driven by a stepping motor, which is not shown in the fifth wheel, a fourth wheel meshing with the fifth wheel, a third wheel meshing with the fourth wheel, and a third wheel 2 and a second wheel which is transmitted with the rotation of the fourth wheel being reduced to 1/60, and a minute wheel meshing with the second wheel, and the hour wheel 18 shown in FIG. The car meshes with the car, and the rotation of the center wheel is reduced to 1/12 and transmitted.
The second hand 5 is attached to the fourth wheel, the minute hand 6 is attached to the second wheel, and the hour hand 7 is attached to the hour wheel 18.

  A crown 3 is arranged at the 3 o'clock position of the timepiece 1. In addition, an operation button 73 is disposed near the crown 3 to perform a pressing operation when making an early correction. In the present embodiment, two operation buttons 73 are arranged at the 2 o'clock position and the 4 o'clock position of the timepiece 1.

<Explanation of small needle display>
Hereinafter, the day display, day display, and 24 hour display will be described with reference to FIG.
In FIG. 2, the hour wheel 21 that is a rotating wheel that rotates the date star wheel 23 is engaged with the hour wheel 18 that is indirectly driven by the stepping motor. The date indicator driving wheel 21 is decelerated to 1/2 with respect to the hour wheel 18 and makes one rotation per day. The date indicator driving wheel 21 is provided with a date feeding claw 22, and a date star wheel 23 arranged at the 6 o'clock position is sent by the date feeding claw 22. The date wheel 23 is formed with 31 teeth, and a date indicator hand 9 is attached to the rotating shaft. The date star wheel 23 fed by one tooth per day by the date feeding finger 22 rotates once in 31 days, and the date display hand 9 displays the date for 31 days on the date display unit 8. A date jumper 24 for position regulation is engaged with the star wheel 23.

  On the other hand, the date indicator driving wheel 21 meshing with the hour wheel 18 is provided with a 24-hour intermediate wheel 41 sharing the rotating shaft with the date indicator driving wheel 21. The 24-hour intermediate wheel 41, which is a turning wheel for turning the 24-hour display wheel 42, is engaged with the 24-hour display wheel 42, and the rotation of the hour wheel 18 is reduced to 1/2 and transmitted to the 24-hour display wheel 42. Accordingly, the 24-hour display wheel 42 also makes one rotation per day. A 24-hour display hand 14 is attached to the rotary shaft of the 24-hour display wheel 42, and the 24-hour display unit 12 displays one day in 24 hours.

  Further, the hour wheel 31 as a turning wheel for turning the day indicator wheel 33 is engaged with the hour wheel 18. The day-turn wheel 31 is also decelerated by half with respect to the hour wheel 18 and makes one rotation per day. The day indicator driving wheel 31 is provided with a day feeding claw 32 as a pair of claw portions, and the day feeding wheel 33 arranged at the 12 o'clock position is sent by the day feeding claw 32. The day indicator wheel 33 is formed with seven teeth, and the day indicator hand 13 is attached to the rotating shaft. The day indicator wheel 33, which is fed two teeth a day by the pair of day feeding claws 32, rotates once in seven days, and the day indicator hand 13 displays the day of the week for one week from Monday to Sunday on the day indicator 11. Become. A day jumper 34 is engaged with the day indicator wheel 33.

The timepiece 1 is provided with a day correction lever 107 as a correction lever which is a main part of an early correction mechanism for correcting the day display. The day correcting lever 107 is provided with a front end portion 120 that comes into contact with the teeth of the day indicating wheel 33, and is biased in a direction away from the day indicating wheel 33 by an integral spring portion 109. The tip portion 120 is brought into contact with the day display wheel 33 first when the operation button 73 (not shown, see FIG. 1) is pressed to quickly correct the day display by the day display wheel 33, and the day display wheel. 33, and a restricting portion 122 that restricts the day indicator wheel 33 at a restricting position obtained by rotating the day indicator wheel 33 by a predetermined amount.
A pressing portion 110 is provided on the proximal end side of the day correcting lever 107, and the pressing portion 110 is pressed from the outside by an operation button 73 (not shown, see FIG. 1) provided at the 2 o'clock position. Such a day correction lever 107 rotates around the rotation center 111.

<Correction of display>
Here, the operation of early correction of the day display by the day correction lever 107 and the movement of each part will be described in detail with reference to the drawings. FIG. 3 is a plan view schematically showing a part of the train wheel structure of the timepiece 1 in an enlarged manner. In FIG. 3, the initial state (initial position) of each part of the day correction lever 107, the day display wheel 33, and the day jumper 34 in the early correction operation of the day display by the day correction lever 107 is indicated by a two-dot chain line. .
In FIG. 3, when correcting the day display, the operation button 73 (not shown, see FIG. 1) is pressed to press the pressing portion 110 of the day correction lever 107. Then, the day correction lever 107 rotates against the spring force of the spring portion 109, and the tip portion 120 feeds the teeth of the day indicator wheel 33, and the day indicator wheel 33 is rotated over the day jumper 34.

More specifically, when the operation button 73 is pressed to press the pressing portion 110 of the day correcting lever 107, the day indicating wheel 33 is brought into contact with the teeth of the day indicating wheel 33 after the feeding portion 121 of the leading end 120 is brought into contact with the teeth. Is turned in the turning direction, and the turning of the day indicator wheel 33 is restricted when the restricting portion 122 comes into contact with the teeth of the day indicator wheel 33. The restriction position of the day indicator wheel 33 at this time is such that the tooth tip circle 32A of the day indicator wheel 33 is located outside the rotation range of the day feeding claw 32 accompanying the rotation of the day indicator driving wheel 31. It is regulated by the regulation unit 122 of the unit 120. As a result, while the state in which the operation button 73 is pressed is maintained, the day feeding claw 32 of the vehicle 31 is rotated at a predetermined cycle by the continuous rotation of the hour wheel 18 that rotates coaxially with the time display. In this case, the day display wheel 33 and the day feeding claw 32 come into contact with each other and interfere with each other, thereby preventing problems such as the time display being distorted or the day feeding claw 32 being damaged. it can.
In the present embodiment, an example is shown in which the feeding portion 121 and the regulating portion 122 of the tip portion 120 of the day correcting lever 107 can be clearly identified as shapes, but the feeding portion 121 and the regulating portion 122 are It refers to a portion that performs the above-described function in the tip portion 120, and includes a case where it is difficult to identify the shape.

According to the present embodiment described above, there are the following effects.
That is, in the timepiece 1 of the present embodiment, the day correction lever 107 is provided, and the day display by the day display wheel 33 is corrected by the operation button 73 via the day correction lever 107. There is no need to provide a correction wheel train for connecting the day indicator wheel 33 and the winding stem 61 unlike the quick correction mechanism of the display unit. Therefore, the day display wheel 33 can be incorporated without being influenced by the winding stem 61, the degree of freedom of design can be increased, and the day display can be corrected while realizing more information display.

  Moreover, according to the present embodiment, when the operation button 73 is pressed to correct the day display, the feeding part 121 of the tip 120 of the day correction lever 107 rotates the day display wheel 33 by a predetermined amount. When the restriction portion 122 restricts the restriction position, the restriction position is a position where the tooth tip circle 32A of the day indicator wheel 33 deviates from the turning range of the day feeding claw 32 accompanying the turning of the day turning wheel 31. It was made to become. As a result, when the day feeding claw 32 of the day turning wheel 31 is rotated with the operation button 73 being pressed, the day indication wheel 33 and the day feeding claw 32 are in contact with each other. Therefore, it is possible to prevent problems such as a time display error or damage to the day feeding claw 32 or the like. Here, the state in which the state in which the operation button 73 is pressed is maintained means that, for example, when the timepiece 1 is accommodated in the individual case for sale via the buffer, the operation button 73 is moved by the buffer. This refers to the case where the pressed state is held.

Further, the timepiece 1 of the present embodiment includes a rotating weight, a generator driven by the rotation of the rotating weight, a control circuit driven by energy generated by the generator, and a stepping motor operated by a pulse signal from the control circuit. This is a rechargeable analog electronic timepiece.
According to this, unlike a general electronic timepiece using a primary battery, a rechargeable timepiece stops when the amount of charge is insufficient. Expected to occur at a frequency. Therefore, in the timepiece 1 of this embodiment provided with the correction mechanism by the operation button 73 and the day correction lever 107 as the correction lever, even when correcting the day display (display of the second information) by the day display wheel 33, It can be corrected quickly without affecting the time display as the first information, or causing trouble due to contact between the day feeding claw 32 of the day-turning wheel 31 and the day-of-the-week display wheel 33, and is excellent in convenience. .

(Embodiment 2)
FIG. 4 is a plan view showing a display state on the dial of the timepiece according to the second embodiment. FIG. 5 is a plan view schematically showing a part of the wheel train structure of the timepiece according to the second embodiment. FIG. 6 is a partial plan view schematically showing an enlarged part of the train wheel structure of the timepiece according to the second embodiment.
Hereinafter, the timepiece 501 according to the second embodiment will be described with reference to these drawings. In addition, about the component same as Embodiment 1, the same code | symbol is attached | subjected and the overlapping description is abbreviate | omitted.

  In FIG. 4, the timepiece 501 according to the second embodiment has a different display form from the timepiece 1 according to the first embodiment. Specifically, the day display unit 11 of the timepiece 1 of the first embodiment is provided at the 12 o'clock position, whereas the timepiece display unit 501 of the second embodiment has the day display unit 11 provided at the 3 o'clock position. Yes.

Hereinafter, in the timepiece 501 having the display form shown in FIG. 4, the day display by the day display unit 11 is corrected by pressing the operation button 73 provided at the 2 o'clock position as in the first embodiment. The correction mechanism to be described will be described.
In FIG. 5, the train wheel configuration in the day display and the 24 o'clock display is the same as that of the first embodiment. In the day display, the day display wheel 33 is 3 o'clock because the day display unit 11 is located at the 3 o'clock position. The day indicator driving wheel 31 which is arranged at the position and meshes with the hour wheel 18 is arranged at a position where the day indicator wheel 33 can be sent once every seven days by the day feeding claw 32 provided on the day indicator driving wheel 31. . The day jumper 34 is engaged with the day indication vehicle.

  In the timepiece 501 of the second embodiment in which the day display unit 11 is arranged at a position different from the timepiece 1 of the first embodiment as described above, the operation button 73 provided at the 2 o'clock position is operated as in the first embodiment. Thus, in order to realize a correction mechanism for performing early correction of the day display, a day correction lever 307 is rotatably provided. The day correction lever 307 is connected between the day correction lever 107 having the same configuration as that of the first embodiment as the first correction lever, and the pressing portion (base end portion) 110 and the distal end portion 120 of the day correction lever 107. And a second day correction lever 207 as a second correction lever. The second day correcting lever 207 has a base end portion connected to the day correcting lever 107 by a connecting portion 211, and a distal end portion 220 having a feeding portion 221 and a restricting portion 222.

  In FIG. 6, when the day display is quickly corrected, the operation button 73 is pressed to press the pressing portion 110 of the day correction lever 307 ((first) day correction lever). After the feeding portion 221 of the tip 220 comes into contact with the teeth of the day indicator wheel 33, the day indicator wheel 33 is fed. When the restricting portion 222 comes into contact with the teeth of the day indicator wheel 33, the rotation of the day indicator wheel 33 is performed. Movement is regulated. The restriction position of the day indicator wheel 33 at this time is a position where the tooth tip circle 32A of the day indicator wheel 33 is out of the rotation range of the day feeding claw 32 of the day indicator driving wheel 31.

According to the second embodiment described above, when the layout of the day display unit 11 (day display car 33) that performs day display as the display of the second information is changed, the same layout used before the change is used. By using the day correction lever 307 formed by applying the day correction lever 107 as a common part and connecting the second day correction lever 207 to the day correction lever 107, the operation button 73 can correct the day display.
Accordingly, the layout of the second display unit that displays the second information different from the time display (display of the first information) such as the day of the week display can be changed while suppressing the application of the new part. It is possible to increase the degree of freedom in designing the display form of a watch provided with a quick correction mechanism using the button 73.

  The embodiment of the present invention made by the inventor has been specifically described above, but the present invention is not limited to the above-described embodiment, and various modifications are made without departing from the scope of the present invention. Is possible.

For example, Embodiment 1 shows an example in which the day display unit 11 is provided at the 12:00 position, and Embodiment 2 shows an example in which the day display unit 11 is provided at the 3 o'clock position. Not limited to these, the day display unit 11 can be changed to the 6 o'clock position or the 9 o'clock position.
The arrangement of the display unit different from the day display unit 11, that is, the day display unit 8 and the 24-hour display unit 12, can be changed to an arbitrary position.
The position of the operation button 73 can also be arranged at a position different from that in the above embodiment.

In the first embodiment and the second embodiment, the day display unit 11 is taken as a representative example, and the early correction of the second display unit by the pressing operation of the operation button 73 via the day correction levers 107 and 307 has been described. Not limited to.
The quick correction mechanism using the operation button via the correction lever of the present invention can also be applied to the quick correction of the second display unit such as the day display unit 8 or the 24 hour display unit 12 that is different from the day display unit.
In addition, the 2nd display part provided in a timepiece is not restricted to the structure which has three of the day display part 8, the day display part 11, and the 24 hour display part 12 of the said embodiment, Any one or two Or four or more.

The timepiece 1 of the above embodiment includes a rotating weight, a generator driven by the rotation of the rotating weight, a control circuit driven by energy generated by the generator, and a stepping motor operated by a pulse signal from the control circuit. It explained that it was a rechargeable analog electronic timepiece.
However, the timepiece of the present invention is not limited to a rechargeable electronic timepiece, and can be applied to a mechanical timepiece, an electronically controlled mechanical timepiece, and other general battery-type electronic timepieces.

  DESCRIPTION OF SYMBOLS 1,501 ... Clock, 2 ... Dial, 3 ... Crown, 5 ... Second hand, 6 ... Minute hand, 7 ... Hour hand, 8 ... Date indicator as second indicator, 9 ... Date indicator, 11 ... Second indicator Day display part as a part, 12 ... 24 hour display part as a second display part, 13 ... Day display hand, 14 ... 24 hour display hand, 18 ... Hour wheel as a first display car, 21 ... Sunday driving wheel, 22 ... day feeding claw, 23 ... day star wheel, 24 ... day jumper, 31 ... day turning wheel, 32 ... day feeding claw as a claw part, 32A ... tooth tip circle, 33 ... day indication car as second display car 34 ... Day of the week jumper, 41 ... 24 hour intermediate wheel, 42 ... 24 hour display wheel, 61 ... winding stem, 73 ... operating button, 107,307 ... day correction lever, 109 ... spring portion, 110 ... base end portion Pressing part, 120, 220 ... tip part, 121, 221 ... feeding part, 122, 222 ... regulating part, 207 ... second Modify lever, 211 ... connecting portion.

Claims (4)

A first display wheel that rotates continuously with the display of the first information;
A second display vehicle for displaying second information;
A rotating wheel that is rotated by the first display wheel and that rotates the second display wheel by a claw provided at a position different from the rotation axis;
A correction lever for restricting the second display vehicle at a restriction position when correcting the second information;
An operation button for operating the correction lever,
The correction lever restricts the second display wheel so that the tooth tip of the second display wheel is out of the rotation range of the claw portion accompanying the rotation of the rotating wheel at the restriction position. A watch characterized by that. The timepiece according to claim 1,
The correction lever has a base end portion that is pressed by the operation button when the operation button is pressed, and a distal end portion that is in contact with the second display wheel.
The distal end portion includes a feed portion that contacts the second display vehicle when the operation button is pressed, and a restriction portion that restricts rotation of the second display vehicle at the restriction position. clock. The timepiece according to claim 1 or 2,
The correction lever has a first correction lever and a second correction lever;
A timepiece in which the base end portion side of the second correction lever is connected between the base end portion and the tip end portion of the first correction lever. The timepiece according to any one of claims 1 to 3,
A secondary battery for storing electric power generated by a generator or a solar battery driven by rotation of a rotary weight, a control circuit driven by electric power energy of the secondary battery, and a stepping motor operated by the control circuit A watch characterized by being an electronic watch.

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