JPH0733190Y2 - Dial clock - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dial opening / closing timepiece that incorporates movement in a time display section to express the fun.

[0002]

2. Description of the Related Art Conventionally, a mechanical clock has been well known in which a door opens at the hour of the hour and a doll inside the door appears to dance or play music.

For example, at the hour of the hour, the clock body on the front rises to open the doll storage, and the doll that appears on the front plays a musical instrument (design registration No. 724677).
It has been known.

The applicant of the present application has also proposed a timepiece with a movable decoration (Japanese Patent Laid-Open No. 2-157683) in which the dial opens around a fixed shaft and a movable decoration appears behind the dial.

[0005]

In the conventional mechanical clock as described above, the dial and the pointer are located in the front even when the ornament is in operation, and the front projection area is as much as the moved dial. growing. Therefore, in order to install such a mechanical timepiece, it is necessary to allow a side portion of the timepiece main body.

An object of the present invention is to provide a timepiece having a dream in which the dial and pointer disappear from the front when the decoration is in operation, the projected area of the front surface remains unchanged, and at the same time an interesting mechanical movement is exhibited.

[0007]

In order to achieve the above-mentioned object, a dial opening / closing type timepiece of the present invention is such that the dial is divided into two pieces by a vertical line or a horizontal line passing through a pointer axis, and an index. The dial surface on which is formed is located behind the pointer by a distance D, and the rotation support member of the dial is
A distance d located on a plane that bisects the dial parallel to the vertical line or the horizontal line and that satisfies 2d> D
Has a shaft center in front of the dial surface, and a movable decoration is provided on the back surface of the dial, respectively, and the drive means is activated at the hour or at an arbitrarily set time. Is driven to rotate around the rotation support member.

[0008]

Operation: Normally, the movable decoration located on the back surface of the dial, that is, inside the frame is hidden. At an arbitrarily set time (for example, on the hour), the dials divided into two pieces rotate in opposite directions, respectively, and rotate 180 degrees from the initial position to hide the hands and move the movable ornament on the back of the dial. Appears.

[0009]

Embodiments of the present invention will be described with reference to the drawings.

As shown in FIGS. 1 and 2, a recess 1a is provided in the front of a frame 1 whose front shape is a horizontally long rectangle, and a dial 2 is provided in this recess 1a. A pointer shaft 4 penetrates through the dial 2 and projects forward from a timekeeping movement 3 provided inside the frame 1, and a pointer 5 is provided at this projecting end.

As shown in FIG. 1, the dial 2 has a pointer shaft 4
Divided into left and right by a vertical line L passing through the dials 2a, 2b
And each surface has an indicator 6 which is a time display unit.
Are formed. Here, the distance from the surface of the dial 2 (2a, 2b) to the pointer 5 is D (FIG. 2). The dials 2a and 2b are rotatably supported independently of each other, and are driven to rotate in opposite directions by driving means. The supporting means of the dial 2 and its driving means will be described below.

As shown in FIGS. 1 to 3, the dials 2a and 2b are rotatably mounted on a plane that divides the dials 2a and 2b on the left and right in parallel to the vertical line L passing through the pointer shaft 4. The axes A1 and A2 of the rotation support members 7a and 7b that support them are located. The axes A1 and A2 are the dials 2a and 2a, respectively.
It is located a distance d (FIG. 2) forward from the surface of 2b. Here, the distance D from the surfaces of the dials 2a and 2b to the pointer 5 and the distance d to the axes A1 and A2 are D <2d.
The relationship is met. By satisfying this conditional expression, the dial plates 2a and 2b are inverted around the axes A1 and A2 and reach the front of the pointer 5. In this embodiment, D = 1.5d is set.

Next, the dials 2a and 2b are respectively attached to the axial center A
The configuration of the driving means that rotates around 1 and A2 will be described.

As shown in FIGS. 3 and 4, a drive motor 9 is provided on a support plate 8 fixed to the upper portion of the inside of the frame 1.
An output shaft 9a of the drive motor 9 is orthogonal to the dial plate 2, and a bevel gear 10 is fixed to the tip thereof. The support plate 8 has a rotating shaft 11a orthogonal to the output shaft 9a of the drive motor 9.
And 11b are rotatably supported, and bevel gears 12a and 12b that mesh with the bevel gear 10 are fixed to respective tip portions. Worms 13a and 13b are fixed to the other ends of the rotating shafts 11a and 11b, and worm gears 14a and 14b mesh with the worms. Shaft portions 2c and 2d of dials 2a and 2b are fitted to the worm gears 14a and 14b, respectively.

Therefore, when the drive motor 9 is started,
The rotation of the output shaft 9a is transmitted from the bevel gear 10 to the rotary shafts 11a and 11b via 12a and 12b, and the worm 13
Worm gears 14a and 14b that mesh with a and 13b rotate. Worm gears 14a, 14b and dials 2a, 2
b rotates integrally, and the rotation directions thereof are opposite to each other.

Movable decorations are provided on the back surfaces of the dials 2a and 2b and inside the frame 1, respectively, so that the movable decorations can be seen from the front during the mechanism-moving operation, which will be described below.

As shown in FIG. 4, in the center of the inside of the frame 1, a movable ornament 15 is provided which is activated when the dials 2a and 2b are in the half-opened state (see FIG. 16). This movable ornament 15 imitates the shape of a bird, and shows the effect of popping out of the frame 1 by the link mechanism and swinging the wings. The configuration thereof will be described below with reference to FIGS. Will be explained.

As shown in FIG. 5, a slide rail 17 extending in the vertical direction is provided on a support plate 16 fixed inside the frame 1, and a slider 18 is slidably connected to the slide rail 17. ing. An inverted L-shaped arm 21 is swingably connected to the slider 18 by a shaft 21a. The left side portion of the arm 21 has a slider 18
Of the arm 21 centering on the shaft 21a
Its own clockwise rotation is restricted.

One ends of swinging arms 22 and 23 are swingably connected to the shafts 21a and 21b of the arm 21, respectively, and the other end of each arm 22 and 23 is provided with a decoration 15. An arm 24 is swingably connected via shafts 22a and 23a. These four arms 21,2
A parallel link 20 is constituted by 2, 23, 24 in which a pair of arms facing each other always maintain a parallel posture.

One end of a crank 26 is fixed to an output shaft 25a of a drive motor 25 provided on the support plate 16, and the tip end of the crank 26 is provided with a shaft 22b provided on the handle of the swing arm 22. Is rotatably connected to.

A separate drive motor 27 is provided on the support plate 16 at a position where it does not overlap the slide rail 17 and the drive motor 25, and its output shaft 27a serves as a swing means for swinging the parallel link 20. The rotating disk 28 of is attached. The rotating disk 28 is provided with three engaging projections 28a ... Which can be engaged with the left side portion of the arm 21 at equal intervals. When the rotary disc 28 rotates, the engagement protrusion 28a pushes the left side portion of the arm 21, and the arm 21 swings around the shaft 21a (see FIG. 9). A bird-shaped ornament 15
As shown in FIG. 10, a wing 15b having a leaf spring 15a in the center is attached by a cover 15c, and the wing 15b bends in conjunction with the swing of the ornament 15 itself.

Next, the operation of the decoration 15 will be described.

The drive motor 25 starts and the crank 26 rotates clockwise about the shaft 25a. Crank 2
The tip of 6 pushes the arm 22 upward from the initial position (FIG. 5), and the slider 18 moves upward along the slide rail 17 (FIG. 6). At this time, the ornament 15 is retracted backward from the initial position (FIG. 5) by a predetermined distance. When the crank 26 further rotates, the ornament 15 advances again to the front side (FIG. 7). Then, when the crank 26 further rotates, the decoration 15 projects outward from the frame 1 (FIG. 8). In this way, the rotation of the crank 26 causes the decoration 1
5 moves upward and forward from its initial position (Fig. 5).

FIG. 8 in which the ornament 15 projects outward from the frame 1
When the state is reached, the drive motor 25 is stopped, the drive motor 27 is started, and the rotary disc 28 is rotated. As the rotating disk 28 rotates, the engaging protrusion 28a pushes the left side portion of the arm 21 as shown in FIG.
Swings around the shaft 21a. The swinging motion of the arm 21 itself is transmitted to the decoration arm 24 via the arm 23, and the decoration 15 swings about the shaft 22a. This swing is transmitted to the blade 15b. The leaf spring 15 is attached to the wing 15b.
As a is attached, as the ornament 15 swings,
The wings 15b themselves are designed to bend. Therefore, it looks as if the ornament 15 itself flaps the wings 15b.

As shown in FIGS. 3 and 4, dials 2a and 2b are provided.
Each of the backs of the is fixed to a musical instrument 30a, 30b in which a plurality of circular tubes having different lengths are connected, and two dolls 31 holding a striking rod at a predetermined distance in front of this musical instrument 31
a and 31b are erected on the rotary tables 32a and 32b. The hands of the dolls 31a and 31b are movable,
It is designed to play music by hitting a circular tube with a striking rod in his hand.

Next, the operation of the present invention will be described.

As shown in FIG. 11, in a normal state, the movable decorative portion housed inside the frame 1 is covered by the two dials 2a and 2b. At every hour (for example, 12:00), the drive motor 9 (FIG. 3) is started, the dials 2a and 2b rotate in opposite directions, and the dials 2a and 2b are in a half-opened state as shown in FIG. When that happens, the drive motor 9 (FIG. 3) stops, and the rotation of the dial stops once. In this state, the drive motor 25 inside the frame 1
(FIG. 5) starts and the bird-shaped ornament 15 pops out of the frame 1. The drive motor 27 (FIG. 5) is started when the ornament 15 has come forward, and the parallel link 20 swings to swing the ornament 15 and the wing portion 15b.

When the decoration 15 is finished, the parallel link 20 is completed.
When is set in the frame 1, the drive motor 9 (FIG. 3), which has been stopped until then, is restarted, and the dials 2a and 2b start rotating in opposite directions (FIG. 13). Initial position (Fig. 11)
Dials 2a and 2b rotate 180 degrees from each
When the musical instruments 30a, 30b and the dolls 31a, 31b provided on the back side of the a, 2b are exposed to the front, the drive motor 9
(FIG. 3) is stopped, and rotation of the dials 2a and 2b is stopped (FIG. 14). At this time, the dials 2a and 2b reach the front of the pointer 5, and as a result, the pointer 5 is hidden from the front.

As shown in FIG. 14, two dolls 31a,
31b is initially facing the front, but the turntable 3
2a and 32b rotate, and two dolls 31a and 3
1b facing the musical instruments 30a, 30b (FIG. 15)
Becomes In this state, each of the dolls 31a and 31b hits the musical instrument with the striking stick in their hand and starts playing.

When the predetermined performance is completed, the rotary table 3
Two dolls 31a, 3 are rotated by 2a, 32b respectively.
1b faces the front once again, and dials 2a, 2
b rotates and returns to the normal state shown in FIG.

Next, a second embodiment of the present invention will be described with reference to FIGS.

As shown in FIG. 16, a slide rail 17 extending in the vertical direction is provided on a support plate 16 fixed inside the frame 1, and a slider 41 is slidably connected to the slide rail 17. is doing. Slider 41
The shafts 41a and 41b of the swing arm 42 and
One end of 3 is swingably connected to each swing arm 4
An arm 44 has shafts 42a, 43a at the other ends of the shafts 42, 43a.
Is swingably connected via. The slider 41 and these three arms 42, 43, 44 constitute a parallel link 40 in which a pair of arms facing each other always maintain a parallel posture. A decoration arm 45 having a decoration 15 is swingably connected to a shaft 42a of the swing arm 42. The engaging portion of the decorative arm 45 with the shaft 43a is
It has a semi-arcuate shape, and the decorative arm 45 is swingable around a shaft 42a, and its rotation in the clockwise direction is restricted by the shaft 43a.

One end of a crank 26 is fixedly attached to the output shaft 25a of the drive motor 25 provided on the support plate 16, and the tip of the crank 26 has a shaft 42b provided at the handle of the swing arm 42. Is rotatably connected to.

The support plate 16 has another drive motor 5 at a position where it does not overlap the slide rail 17 and the drive motor 25.
0 is provided, and a crank 51 is attached to its output shaft 50a. The tip of the crank 51 and the decorative arm 4
A wire 52 is laid between the wire 5 and the wire 5. Crank 5
When 1 rotates, the wire 52 pulls the decoration arm 45, and the decoration (bird) 15 swings around the shaft 42a integrally with the decoration arm 45, as shown in FIG.

The operation of swinging the parallel link 40 by the drive motor 25 to project the ornament 15 out of the frame 1 is substantially the same as that of the first embodiment.

Next, a third embodiment of the present invention will be described with reference to FIG.

As shown in FIG. 18, on the support plate 16 fixed inside the frame 1, a guide groove 60 extending in the vertical direction is formed.
The slider 61 is slidably fitted in the guide groove 60. One end of a swing arm 62 is swingably connected to the slider 61. The ornament 15 is swingably connected to the other end of the swing arm 62. The decoration 15 has a center of gravity on a vertical line passing through a connecting shaft 62a with the swing arm 62, and always maintains a fixed position.

One end of a crank 26 is fixedly attached to the output shaft 25a of the drive motor 25 provided on the support plate 16, and the tip end of the crank 26 is provided with a shaft 62b provided on the handle of the swing arm 62. Is rotatably connected to.

Another drive motor 50 is provided on the support plate 16 at a position where it does not overlap the guide groove 60 and the drive motor 25, and a crank 51 is attached to its output shaft 50a. A wire 52 is laid between the tip of the crank 51 and the decoration 15. When the crank 51 rotates, the ornament 15 swings around the shaft 62a.

The operation of swinging the arm 62 by the drive motor 25 to project the ornament 15 out of the frame 1 is substantially the same as that of the first embodiment described above.

Next, a fourth embodiment of the present invention will be described with reference to FIG.

As shown in FIG. 19, fixing pins 70 are provided on the support plate 16 fixed inside the frame 1. The fixing pin 70 is slidably fitted in a guide groove 71a formed in the longitudinal direction of the swing arm 71. Therefore, the swing arm 71 is swingable around a point (fixing pin 70) that is movable along its own longitudinal direction. On the other end of the swing arm 71, a decoration 15
Is swingably connected. The ornament 15 is the swing arm 7
It has a center of gravity on a vertical line passing through the connecting shaft 71a with 1, and always maintains a fixed position.

One end of a crank 26 is fixedly attached to the output shaft 25a of the drive motor 25 provided on the support plate 16, and the tip of this crank 26 is provided with a shaft 71b provided on the handle of the swing arm 71. Is rotatably connected to.

The support plate 16 is provided with another drive motor 50 at a position where it does not overlap the fixing pin 70 and the drive motor 25, and a crank 51 is attached to its output shaft 50a. A wire 52 is laid between the tip of the crank 51 and the decoration 15. When the crank 51 rotates, the ornament 15 swings around the shaft 62a.

The operation of swinging the arm 71 by the drive motor 25 to project the ornament 15 out of the frame 1 is substantially the same as that of the first embodiment described above.

In the present embodiment, the dial plate 2 is equally divided into left and right by the vertical line L passing through the pointer shaft 4, but the present invention is not limited to this, and is divided vertically by a horizontal line passing through the pointer shaft 4. It may be configured as.

Further, the rotation output of the drive motor 9 is transmitted through the plurality of bevel gears and the worm gear to the dial plates 2a, 2b.
The dial plate is rotated about the axes A1 and A2, but the invention is not limited to this. Even if a drive motor is directly attached to the two dial plates 2a and 2b to rotate it. Good.

Further, as means for swinging the ornament 15, the rotating disk 28 is provided to swing the parallel link, or the ornament is directly swung via the wire 52.
The present invention is not limited to this, and the magnet fixed to the ornament may be configured by various means such as attracting and repulsing an electromagnet to swing the ornament.

[0049]

As described above, according to the dial opening / closing timepiece of the present invention, the dial and the pointer can be hidden from the front by the rotation of the dial, and the movable decoration can be made to appear. It is possible to provide a timepiece with a dream that shows an interesting mechanism without changing the projected area.

[Brief description of drawings]

FIG. 1 is a front view of a timepiece according to the present invention.

FIG. 2 is an enlarged sectional view taken along line AA of FIG.

3 is an enlarged cross-sectional view taken along the line BB of FIG.

4 is an enlarged cross-sectional view taken along the line CC of FIG.

FIG. 5 is a side view showing a main part of a drive device for a movable decoration.

FIG. 6 is a side view showing the operating state of the above.

FIG. 7 is a side view showing the operating state of the above.

FIG. 8 is a side view showing the operating state of the above.

FIG. 9 is a side view showing the same operation state as above.

FIG. 10 is a perspective view showing a main part of a decoration.

FIG. 11 is a perspective view of a timepiece according to the present invention.

FIG. 12 is a side view showing the same operation state as above.

FIG. 13 is a side view showing the same operation state as above.

FIG. 14 is a side view showing the same operation state as above.

FIG. 15 is a side view showing the operating state of the above.

FIG. 16 is a side view showing an essential part of a second embodiment of the drive device for the movable decoration.

FIG. 17 is a side view showing the same operation state as above.

FIG. 18 is a side view showing a main part of a third embodiment of the drive device for the movable decoration.

FIG. 19 is a side view showing an essential part of a fourth embodiment of the drive device for the movable decoration.

[Explanation of symbols]

 2 (2a, 2b) Dial 4 Pointer shaft 5 Pointer 6 Index 7a, 7b Rotation support member 31a, 31b Movable ornament 9 Drive means (driving motor) A1, A2 Axial center D Distance from dial surface to pointer d Dial Distance from surface to axis L Vertical line

Claims (1)

[Scope of utility model registration request] 1. A surface which is divided by a vertical line or a horizontal line passing through the pointer axis and on which an index is formed is at a distance D from the pointer.
And the two dials positioned only rearward, and the two dials that are located in parallel to the vertical line or the horizontal line and divide the two dials into two equal parts, and the distance d satisfies 2d> D. A rotary support member for the two dials having an axis centered on the front side of the front side of the dials, a movable decoration provided on each of the backs of the two dials, and set on the hour or arbitrarily. A dial opening / closing type timepiece which is operated at a certain time and comprises a driving means for rotating and driving the two dials around the rotation supporting member.