JPH04259889A - Decorated clock - Google Patents

Abstract

PURPOSE:To reduce the weight of one of moving elements, largely change the apparance thereof after opening and closing the elements and make it easy to make an image of the apparance after opening and closing them. CONSTITUTION:A dial or an opening and closing door 8 consists of a plurality of elements 8A-8E. These elements are made approximately sectors radiately dividing a circular plate and a polygon shape plate from their center position. These elements 8A-8E are attached to a rotary shaft provided at the periphery of a time indication part. These elements are rotated by rotating the rotary shaft. The elements are rotated, so that the dial or the opening and closing door is opened and closed, and an ornament body and the dial 4 provided at the rear thereof are come out or hidden.

Description

[Detailed description of the invention]

0001

[Industrial Field of Application] The present invention relates to decorative watches, and in particular, the opening/closing door provided in front of the dial or time display section is divided into a plurality of pieces and these pieces are rotated. This relates to devices that open and close dials or opening/closing doors.

0002

[Prior Art] As a conventional watch of this kind, there is a
There was one disclosed in Publication No.-157683. The dial of this watch is divided into two vertically in the center, the upper end of which is supported at one point, and by rotating the dial left and right, the dial can be opened and closed and the dolls etc. installed behind it can be moved. It was used to reveal or hide decorations.

[0003] In addition, there is also a watch disclosed in Japanese Utility Model Publication No. 63-193390, which has a door in front of the time display that opens and closes left and right, and when this door opens, the time display The main body of the watch protruded forward.

0004

[Problems to be Solved by the Invention] In the above-mentioned conventional watches, since a dial or door divided into left and right parts is used, each piece of the dial is heavy, and in large watches, the drive part of the dial is heavy. This will place a heavy burden on the Therefore,
High strength was required for the movable parts, and powerful driving force was also required.

Furthermore, in conventional watches, there is no novelty in the movement of the dial or door, and changes can be predicted relatively easily. For this reason, it was not possible to give the impression that the appearance had changed significantly, and the product lacked novelty.

The object of the present invention is to reduce the weight of a single movable piece, greatly change the appearance of a plurality of pieces after opening and closing, and easily create an image of the appearance after opening and closing, which has a high decorative effect. Our goal is to provide decorative clocks.

[0007]

[Means for Solving the Problems] The decorative clock of the present invention is constructed by radially arranging pieces in which a dial or an opening/closing door is divided into a plurality of pieces, and each piece is individually arranged around a time display section. The dial plate or the opening/closing door is fixed to each rotating shaft, and the dial or the opening/closing door is opened and closed by the rotation of the rotating shaft.

[0008]

[Function] In the decorative clock of the present invention, a plurality of pieces are rotated, and when closed, the appearance resembles a dial, an opening/closing door, or a flower bud, and when opened, the appearance resembles a flower, etc. Change.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 and 2 are front views of a decorative clock according to an embodiment of the present invention, showing the open and closed states of the door, respectively.

As shown in FIGS. 1 and 2, a time display section 2 consisting of a dial plate 4 and hands 6 is provided on the front face of the watch body, and around it is a time display section 2 consisting of five pieces 8A to 8E. An opening/closing door 8 is provided.

[0011] The pieces 8A to 8E are formed into a substantially fan shape obtained by cutting a disk substantially radially from the center thereof, and in this embodiment, the three sides are set to have the same curve. There is. The pieces 8A to 8E are arranged such that their mounting portions 8a are located at equal intervals on the outer circumference of the time display portion 2, and the mounting portions 8a are attached to a drive mechanism to be described later. There is.

When the pieces 8A to 8E in the state shown in FIG. 1 are rotated counterclockwise around the mounting portion 8a,
As shown in FIG. 2, the time display section 2 is covered by a plurality of pieces 8A to 8E. Further, when the mounting portion 8a is rotated clockwise, the state shown in FIG. 1 is returned.

[0013] In this watch, for example, 15 or 30
By setting the opening/closing door 8 to be closed once every minute or the like, it is possible to make the appearance changeable without degrading the time display function. In addition, in this watch, by assembling the opening/closing operation and the pieces 8A to 8E as flower petals,
The clock represents a flower, a flower bud, or a flower opening.

FIG. 3 is a central vertical sectional view showing the internal mechanism of the decorative clock shown in FIGS. 1 and 2, and FIG. 4 is a front view showing the arrangement of gears in the door drive mechanism. The watch body 10 includes a case 12 having a cylindrical outer shape, a watch mechanical body 14 attached to the center of the interior, a pointer 6 attached to the pointer drive shaft 14a, and a dial plate attached to the front surface of the case 12. 4, and a drive mechanism that drives the pieces 8A to 8E of the opening/closing door 8.

The drive mechanism of the opening/closing door 8 in this embodiment is as follows:
Rotary shafts 16A to 16E to which the mounting portions 8a of the aforementioned pieces 8A to 8E are attached and protrude forward from the case 12;
Pinions 18A~ attached to these respectively
18E, and the pinion 1 arranged around the watch mechanical body 14.
8A to 18E, a plurality of rollers 22 that rotatably support the rack 20 from the inside, a drive shaft 24, and a drive pinion 26 attached to the drive pinion 26 that meshes with the rack 20. and a drive source 28 consisting of a motor that drives the motor and a reduction gear train.

In the timepiece having the above configuration, the drive shaft 2
4 is rotated counterclockwise in FIG.
, the rotating shafts 16A to 16E rotate counterclockwise via the rack 20 and pinions 18A to 18E. As a result, the pieces 8A to 8E, which were in the state shown in FIG. 1, for example, are closed and put into the state shown in FIG. 2. Further, when the drive shaft 24 is rotated clockwise, the rotating shafts 16A to 16E are rotated clockwise, and the pieces 8A to 8E in the state shown in FIG. 2 are opened to be in the state shown in FIG. 1.

When the opening/closing door 8 is constructed of five pieces 8A to 8E as in this embodiment, the rotation angle of one piece is 72 degrees. Therefore, the rotation angle of the rotating shafts 16A to 16E is also 72
It is necessary to set the pinion 18
A to 18E, the number of teeth of the rack 20 and the drive pinion 26, the rotation speed of the drive shaft 24, etc. are set to predetermined values in advance.

The motor in the drive source 28 may be configured to stop when the rotating shafts 16A to 16E rotate by a predetermined angle, for example, in response to a signal from a microswitch attached to a part of each element. good.

Further, as shown in FIG. 5, in order to facilitate the positioning of the rack 20 and to prevent the rack 20 from shifting when it is rotated, a protrusion 12a is provided on a portion of the case 12 and contacts a portion of the inner surface of the rack 20. may be provided.

Furthermore, in this embodiment, the opening/closing door 8 is composed of five pieces 8A to 8E, but this number can be arbitrarily determined; It is possible to select according to the design of the clock, the size of the clock, etc.

Furthermore, when the number of these elemental pieces is set to six, the elemental pieces do not overlap each other in the closed state, but when the number of elemental pieces is set to five, etc., some of the elemental pieces overlap. For this reason,
As shown in FIG. 3 or 6, each end 8 of the element pieces 8A to 8E
By warping b, the pieces are prevented from colliding or rubbing against each other.

Further, in this embodiment, the outer shapes of the time display section 2 and the opening/closing door are set to be circular, but as shown in FIG. 7, they may be set to polygonal shapes such as hexagons and octagons. In this case, each of the pieces 30A to 30H is the same as that shown in FIG. 1 with respect to the other shapes and mounting/driving structure, except that the outer side 30c is a straight line when in the closed state.

On the other hand, in this embodiment, all the elements 8A to 8E are driven by one drive source, but each element may be driven one by one by a separate drive source. In this case, the drive shaft 24 shown in FIG. 3 is made to protrude from the outer periphery of the time display section 2 in the same manner as the rotation shafts 16A to 16E, and each element piece is attached to this. With this configuration, each drive source can be controlled by a control unit that is programmed to perform various operations such as rotating each element at once, sequentially, or only a part of it. , the operation can be made more variable.

FIGS. 8 and 9 are front views showing decorative timepieces according to other embodiments of the present invention. In this embodiment, instead of the opening/closing door of the previously described embodiment, the dial 34 that constitutes the time display section 32 together with the hands 36 is made of five pieces 34A.
~34E.

These pieces 34A to 34E also have a mounting portion 3 located on the outer periphery of the time display portion 32, as in the above-described embodiment.
It rotates around 4a, and its drive mechanism is the same as that of the previously described embodiment.

Behind the dial 34 in this embodiment,
As shown in FIG. 9, a decorative body 38 such as a doll is provided and becomes visible when the pieces 34A to 34E are opened. This watch is normally used with the dial 34 closed,
The dial 34 is opened every hour on the hour, and the decorative body 38 inside becomes visible.

In this embodiment as well, the number of elemental pieces can be arbitrarily determined; for example, it can be six as shown in FIG.

[0028]

According to the present invention, the opening/closing door and the dial are divided into a plurality of pieces and each piece is supported separately, so that the burden on the supporting portion of each piece can be reduced.

[0029] Furthermore, since the appearance of the opening/closing door or the dial changes greatly between the open and closed states, it is not easy to estimate the change, and it is difficult to imagine a novel form that is highly variable. can do.

Furthermore, by treating the elemental pieces as flower petals, flowers, buds, etc. can be expressed by opening and closing the petals, and images can be created through movement. In particular, many types of flowers have five petals, so by making the shape of the elemental pieces resemble those petals, many watches with the same structure can have completely different images of specific flowers. can be manufactured.

[Brief explanation of the drawing]

FIG. 1 is a front view of a decorative clock according to an embodiment of the present invention, showing a state in which an opening/closing door is open.

FIG. 2 is a front view showing the decorative clock shown in FIG. 1 in a closed state;

3 is a central vertical sectional view showing the internal mechanism of the decorative timepiece shown in FIGS. 1 and 2. FIG.

FIG. 4 is a front view showing the arrangement of gears shown in FIG. 3;

5 is a front view showing the support structure of the rack shown in FIG. 3. FIG.

FIG. 6 is a sectional view showing the cross-sectional shape of the piece shown in FIG. 3;

7 is a front view showing the front shape of the decorative clock shown in FIG. 1 when the time display section and opening/closing door have polygonal shapes; FIG.

FIG. 8 is a front view showing the dial of a decorative timepiece according to another embodiment of the present invention in a closed state.

9 is a front view showing the decorative timepiece shown in FIG. 8 in an open state; FIG.

10 is a front view showing an example in which the number of pieces of the decorative clock shown in FIG. 9 is set to six; FIG.

[Explanation of symbols]

2 Time display section 4
Dial board 6
Pointer 8 Opening/closing door 8A~8E
Piece 10 Watch body 12
Case 14 Watch mechanical body 16A-16
E Rotating shaft 18A to 18E Pinion 20 Rack 24 Drive shaft 26 Drive pinion 28
Drive sources 30A to 30H Element piece 32 Time display section 34
Dial plate 34A to 34E Piece 36 Pointer 38 Decoration

Claims (4)

[Claims] [Claim 1] A dial or an opening/closing door is divided into a plurality of pieces arranged radially, and each piece is fixed to each rotating shaft individually provided around the time display section, and each piece is fixed to each rotating shaft separately provided around the time display section. A decorative clock characterized in that the dial or the opening/closing door is opened and closed by rotating. 2. The decorative timepiece according to claim 1, wherein a decorative body is disposed behind the dial, and becomes visible by rotating the element piece and opening the dial. . 3. The element piece includes a drive source, a ring-shaped rack rotated by the drive source, a pinion rotated by the rack, and the rotating shaft to which the pinion is attached. 2. The decorative timepiece according to claim 1, wherein the decorative timepiece is rotated by a drive mechanism. 4. The decorative timepiece according to claim 1, wherein each of the pieces is rotated by driving the rotating shaft by a separate drive source.