JP2849330B2 - Clock device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a timepiece having a rotating decoration.

[0002]

2. Description of the Related Art Conventionally, as this type of timepiece device, for example, as shown in FIGS.
A movement 5 attached to the back surface of the dial 4 with the minute hand shaft 2 and the hour hand shaft 3 penetrating in front of the dial 4, a second hand 1 a having a drive unit 6 protruding forward and attached to the second hand shaft 1;
A transparent front plate 7 disposed at a predetermined interval in front of the dial 4, a rotating body 8 disposed behind the front plate 7 and in front of the second hand 1 a and rotatably supported by the front plate 7; There is known a timepiece device having weights 9a and 9b as decorations attached to the rotating body 8 so as to be balanced with respect to the center of rotation, and driving the rotating body 8 by the driving unit 6 of the second hand 1a. (See, for example, Japanese Utility Model Laid-Open No. 59-106090).

In the timepiece device having such a configuration, the driving unit 6 comes into contact with the rotating body 8 with the rotation of the second hand 1a to rotate the rotating body 8 clockwise, whereby the weights 9a and 9b and the rotating body 8 are rotated. The positional relationship changes moment by moment, giving the watch user pleasure to watch, and has the advantage of being used as interior decoration and accessories.

[0004]

However, in the above-mentioned conventional timepiece device, since the rotating body 8 rotates within the range of the dial 4, the rotating range of the rotating body 8 and the weights 9a and 9b as decorations are not limited. Is limited, the movement is fine, and in some cases gives a restless feeling,
Since it is arranged so as to be superposed on the dial 4, there is a problem that the time is difficult to read.

[0005] The present invention has been made in view of such circumstances, and an object of the present invention is to provide a timepiece device that can make the movement of a decorative body look large and improve visibility.

[0006]

A solution for the order to achieve the above object, the watch device of the present invention includes a driving unit for rotationally driving with a preset driving force corresponding teeth wheel in a predetermined start signal, the rotary shaft integrally The drive unit is mounted
First gear to which power is transmitted, rotatable about the rotation shaft
The inserted second gear and the second gear
Attachment of the first gear with a preset elastic force
In the direction of the driving position, and the driving force of the driving unit
Pressing part for integrally rotating the first gear and the second gear
A timepiece body having a rotation transmitting portion having: a central portion provided with a concentric gear meshing with the second gear of the rotation transmitting portion, wherein the outer peripheral portion is outside the outer peripheral portion of the timepiece body in the meshed state. , And at least one decorative body provided on an outer peripheral portion of the body portion, and the body portion is rotated by the driving of the driving portion. Further, in the timepiece device of the present invention, the decorative body is rotatably attached to an outer peripheral portion of the body portion.

A timepiece device according to the present invention includes a rotation transmitting portion including at least one gear, and a driving portion for rotating the gear with a predetermined driving force in response to a predetermined start signal. And the watch book in the center
Concentric hollow with inner diameter larger than outer diameter of body
The concentric body formed and the outer periphery of the body
A plurality of decorative body support portions, and an inner peripheral portion of the main body portion.
The rotational transmission is provided so as to be located in the hollow portion.
Body part provided with concentric gears meshing with the gears of the body
And at least one decorative body provided on the decorative body support of the body, wherein the body is rotated by the rotational drive of the drive unit.

[0008]

According to the timepiece device of the present invention, when an activation signal based on an hour signal or a switch operation is supplied to the driving unit, the driving unit rotates the gear of the rotation transmitting unit with a predetermined driving force. Accordingly, a rotational force is transmitted to the gears of the body, and the body rotates. At this time, a decorative body is attached to the outer peripheral portion of the body portion, and the outer periphery of the timepiece body rotates along a predetermined track along with the rotation of the body portion. Therefore, the decorative body including the body rotates with a large locus like a ferris wheel.

Further, according to the timepiece device of the present invention, when the decorative body is rotatably attached to the body, the decorative body is in a hanging state, and a part of the body depends on the rotational position. It overlaps or appears further outside the outer periphery of the body.

Further, according to the timepiece device of the present invention, when the rotation transmitting section has the first and second gears, the driving force of the driving section is transmitted to the first gear. At this time, for example, when no external force is applied to the body portion or an external force smaller than the pressing force of the pressing portion is applied, the second gear is also integrated with the first gear with the rotation of the first gear. This rotation is transmitted to the gears of the body. On the other hand, when an external force larger than the pressing force of the pressing portion is applied to the body portion, the second gear idles around the rotation shaft, and the external force is transmitted to the driving portion via the first gear. Not done.

[0011]

1 and 2 are views showing the overall configuration of an embodiment of a timepiece device according to the present invention. FIG. 1 is a rear view of a main part, and FIG. 2 is a cutaway side view of a main part. is there. In the figure, 1
Reference numeral 0 denotes a watch body, reference numeral 20 denotes a body, and reference numeral 30 denotes a decorative body.

The watch body 10 has a cylindrical shape and the dial 1
A drive unit 12 for rotating the body unit 20 and a rotation transmission unit 13 including gears 131 and 132 are provided separately from a timepiece movement (not shown) on the back surface 10a opposite to the disposition surface 1.

The drive section 12 is formed of a motor, and rotates at a predetermined number of revolutions when it receives a start signal sent from a control system (not shown) based on an hour signal, a switch operation, or the like. This torque is applied to the gear 1 provided on the output shaft 121.
The rotation is transmitted to the gear 131 of the rotation transmission unit 13 by the rotation transmission unit 22.
It should be noted that the activation signal is transmitted, for example, in accordance with a plurality of songs programmed in advance, and is transmitted for a predetermined time, for example, 3
The active state is maintained for 0 seconds or 60 seconds. That is, the motor rotates for 30 or 60 seconds.

The rotation transmitting unit 13 includes a gear 131 and a gear 13
2 are in mesh with each other, and the gear 132 meshes with an internal gear 24 provided on the body 20 and described later. That is, the rotation transmission unit 13 reduces the rotation of the motor of the drive unit 12 at a predetermined rate and transmits the rotation to the body unit 20.

The body portion 20 has a concentric body portion 21 having a concentric hollow portion 211 having an inner diameter larger than the outer diameter of the timepiece body 10 at the center portion, and a predetermined interval between the outer peripheral portion of the main body portion 21. And a plurality of decorative support members 22 having a hollow triangular prism shape, and a ring portion 23 formed so as to connect the vicinity of the apexes of these decorative support members 22. Then, on the inner peripheral portion of the main body portion 21,
The internal gear 24 is fixed by screws or the like so as to be located in the hollow portion 211, and the internal gear 24 is in a meshing state with the gear 132 of the rotation transmitting unit 13.

Further, a decorative body 30 having a circular cross section is rotatably supported at the vertex of the decorative body support 22 of the body 20 (the outermost periphery of the body 20). As shown in FIG. 1, the decorative body 30 hangs down by its own weight with the rotation of the body part 20, and overlaps with a part of the body part depending on the rotation position, or further outside the outer peripheral part of the body part. Or appear.

Next, the operation of the above configuration will be described. For example, an activation signal is input to a control system (not shown) such as an hour signal or a signal based on a switch operation. In the drive unit 12, when the start signal is input, the motor rotates at a predetermined number of rotations, and the rotation force is transmitted by the gear 122 provided on the output shaft 121 to the rotation transmission unit 1.
3 is transmitted to the gear 131.

In the rotation transmitting unit 13, the rotational force of the motor is transmitted from the gear 131 to the gear 132, and the rotational force obtained by reducing the rotation of the motor at a predetermined rate is transmitted from the gear 132 to the internal gear 24 of the body 20. You. As a result, the main body 21 of the body 20 rotates with the rotation of the internal gear 24 at the predetermined rotation speed. At this time, the decorative bodies 30 are rotatably supported at the apexes of the decorative body support portions 22 provided on the outer peripheral portion of the main body portion 21, that is, the outermost peripheral portions of the body portion 20, respectively. The body 30 rotates along a predetermined track substantially outside the outer peripheral portion of the timepiece body 10 with the rotation of the body portion 20.
May overlap with a part of the decorative body support portion 22 of the body portion 20 depending on the rotational position, or may appear further outside the outermost peripheral portion of the body portion. Therefore, the decorative body 30 including the body part 20 rotates with a large locus like a ferris wheel.

As described above, according to the present embodiment,
A rotation transmitting unit 13 including gears 131 and 132;
The watch main body 10 includes a drive unit 12 that drives the drive unit 31 to rotate with a preset driving force in accordance with a predetermined start signal, and a concentric internal gear 24 that meshes with a gear 132 of a rotation transmission unit at the center. The body portion 20 is provided and has a size in which the outer peripheral portion is located outside the outer peripheral portion of the timepiece body in a meshing state, and a plurality of decorative body support portions 22 corresponding to the outermost peripheral portion of the body portion 20 are provided with respect to the apexes. And a plurality of decorative bodies 30 which are rotatably supported so that they can be rotated with a large locus like a ferris wheel, so that the movement of the decorative bodies can be made to appear large, and the visibility can be improved. Can be planned. In addition, since the dial 11 does not overlap the body portion 20 and the decorative body 30, there is no inconvenience such as difficulty in checking the time.

It goes without saying that the shape of the body and the decorative body are not limited to those of the present embodiment. Needless to say, a stepping motor or the like can be applied as the drive unit 12.

FIG. 3 is a sectional view of a principal part showing another embodiment of the rotation transmitting portion 13a according to the present invention. This rotation transmitting unit 1
3a, the gear 122 of the drive unit 12 is integrally attached to the rotating shaft 133 by means such as press fitting as shown in FIG.
(FIG. 1), and a second gear 1 that is rotatably inserted through the rotation shaft 133 and meshes with the internal gear 24 of the body portion 20, and a first gear 134 that meshes with the inner gear 24 of the body 20.
35 and one surface 135a of the second gear 1135 are pressed toward the mounting position of the first gear 134 with a preset elastic force, and the first gear 134 and the second gear 135 are driven by the driving force of the drive unit 12. And a pressing portion 136 for integrally rotating them.

The pressing portion 136 has one end portion on the second gear 13.
5, a spring body 137 for applying a predetermined elastic pressing force F to one surface 135a, and the pressing force F is kept constant.
It is constituted by a spring receiving pipe 139 that fixes the center of the spring body at the rear end of the rotating shaft 133 via the minute hand seat 138. The spring receiving pipe 139 is press-fitted into the rear end of the rotating shaft 133, and the above-described elastic pressing force F is adjusted by the amount of press-fitting.

The rotation transmitting portion 13a having such a configuration
Is used, the driving force of the driving unit 12 is as shown in FIGS.
Is transmitted to the first gear 134 as in the case of At this time, for example, whether an external force is applied to the body 20
Alternatively, when an external force smaller than the pressing force F of the pressing portion 136 is applied, the second gear is rotated with the rotation of the first gear 134.
The gear 135 also rotates integrally with the first gear 134, and this rotational force is transmitted to the internal gear 24 of the body portion 20, and the normal decoration 30 is rotated. On the other hand, as shown in FIG. 3, when an external force FL larger than the pressing force F of the pressing portion 136 is applied to the body 20 in a direction perpendicular to the drawing, the external force FL exceeds the elastic pressing force F. Therefore, only the second gear 135 idles around the rotation shaft 133, and the external force FL
Is not transmitted to the drive unit 12 via the first gear 134.

As described above, by applying the rotation transmitting portion 13a of FIG. 3 having a so-called slip mechanism, the motor of the driving portion 12 and the gear 122 can be protected from external force.

[0025]

As described above, according to the timepiece device of the present invention, the movement of the decorative body can be made to look large, and the visibility can be improved. In addition, since it can be configured so that the dial and the body and decorative body do not overlap,
There is no inconvenience such as difficulty in checking the time. Further, since a so-called slip mechanism is provided in the rotation transmitting section, the driving section can be protected from external force.

[Brief description of the drawings]

FIG. 1 is a rear view of a main part showing one embodiment of a timepiece device according to the present invention.

FIG. 2 is a cutaway side view of a main part showing one embodiment of the timepiece device according to the present invention.

FIG. 3 is a sectional view of a main part showing another embodiment of the rotation transmitting unit according to the present invention.

FIG. 4 is a diagram showing a configuration example of a conventional timepiece device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Watch main body 10a ... Back surface 11 ... Dial 12 ... Drive part 122 ... Gear 13 ... Rotation transmission part 131, 132 ... Gear 13a ... Rotation transmission part 133 ... Rotation shaft 134 ... First gear 135 ... Second gear 136 ... Pressing part 137 ... Spring body 139 ... Spring receiving pipe 20 ... Body part 21 ... Main body part 22 ... Decoration body support part 23 ... Ring part 24 ... Internal gear 30 ... Decoration body

Claims (3)

(57) [Claims] 1. A driving unit with a preset driving force to rotationally drive according to a predetermined activation signal teeth wheel, rotation
Attached integrally with the shaft to transmit the driving force of the drive unit
The first gear to be rotatably inserted through the rotation shaft
The second gear and the second gear are preset.
Direction of the mounting position of the first gear with the applied elastic force
And the first gear is driven by the driving force of the driving unit.
Having a pressing portion for integrally rotating the second gear and the second gear.
A watch body with a rolling transmission section, concentric gears second gear and meshing the rotation transmitting portion is provided in a central portion, located outside the outer periphery of the outer peripheral portion watch body in the coupled state A timepiece device comprising: a body portion having a size to be adjusted; and at least one decorative body provided on an outer peripheral portion of the body portion, wherein the body portion is rotated by the rotational drive of the drive unit. 2. The timepiece device according to claim 1, wherein the decorative body is rotatably attached to an outer peripheral portion of the body portion. 3. A timepiece body having at least one rotation transmission unit including at least one gear, a drive unit configured to rotationally drive the gear with a predetermined driving force in response to a predetermined start signal, and a timepiece at a center portion. The same with an inner diameter larger than the outer diameter of the body
A concentric body formed with a concentric hollow portion;
A plurality of decorative body support portions provided on an outer peripheral portion of the main body portion;
Provided on the inner peripheral part of the main body so as to be located in the hollow part
Concentric gear meshed with the gear of the rotation transmitting section
Preparative a body portion having a, and at least one decorative body provided decorative body supporting portion of the body portion, a clock device in which the body part is rotated by the rotation of the drive unit.