JP3252101B2 - Rotating ornament structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a rotary ornament used in a decorative timepiece or the like which gives a visual decorative feeling by rotating a decorative body. About what can be turned into

[0002]

2. Description of the Related Art Conventionally, there have been many types of rotary decorations, such as simply rotating a decorative body or further rotating a rotating decorative body along its rotation axis. Normally, in this type of rotary decoration, a complicated rotation mechanism is used to rotate the decoration, and the position of the decoration is also determined in relation to the rotation mechanism.

[0003]

In this type of conventional rotary ornament, in order to change the position of the decorative body determined in relation to the rotary mechanism, it is necessary to significantly modify the rotary mechanism. It could not be easily changed, for example, by raising a new rotation mechanism. For this reason, in order to change the position of the decorative body and express various variations of decorations, it is necessary to prepare not only the decorative body but also a rotating mechanism for each variation, which reduces mass productivity and increases costs. There was a problem that would be imitated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and has as its object to provide a structure of a rotary ornament which can easily change the position of a decorative body.

[0005]

According to the present invention, there is provided a rotary ornament structure comprising: a turntable; a driving mechanism for rotating the turntable; and a rotatable support by the turntable. An intermediate wheel that rotates and moves, a sun gear that is arranged in a circle in which the intermediate wheel rotates and meshes with the intermediate wheel, a rotatable table that is rotatably supported by the turntable and meshes with the intermediate wheel. A decorative gear that rotates with the rotation of the decorative gear attached to the shaft of the decorative gear,
A plurality of bearings that rotatably support the shaft of the decorative gear and support the decorative gear so as to mesh with the intermediate wheel, and rotate the part of the bearing to the rotating table. It is arranged so that the distance from the rotation center of the table is different from that of the other bearings.

Further, the structure of the rotary decoration according to the present invention has a turntable, a drive mechanism for rotating the turntable, and is rotatably supported by the turntable and rotates with the rotation of the turntable. An intermediate wheel, a sun gear arranged in a circle around which the intermediate wheel rotates and meshing with the intermediate wheel, and rotatably supported by the turntable and meshing with the intermediate wheel and accompanying rotation of the turntable. A decorative gear that rotates
A decorative body attached to the shaft of the decorative gear, wherein the intermediate wheel has a plurality of teeth in the axial direction, and the rotary table rotatably supports the shaft of the decorative gear. A plurality of bearing portions may be provided so as to be positioned and supported so that the decorative gear meshes with a plurality of teeth of the intermediate wheel.

Further, the turntable in the structure of the rotary decoration according to the present invention has an upper plate and a lower plate which respectively support the intermediate wheel and the decorative gear from above and below, and one of the upper plate and the lower plate. A plurality of the bearing portions are formed in advance, and only the necessary bearing portions are formed on the other side.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the structure of the rotary ornament according to the present invention, a plurality of bearing portions of the rotary table for supporting the decorative gear are provided within a range where the decorative gear and the intermediate wheel mesh with each other, and furthermore, the distance from the center of rotation of the rotary table. The positions of some of the bearings are set so as to differ from each other. Therefore, the position of the decorative gear can be changed only by selecting the bearing portion and mounting the decorative gear, and the position of the decorative body attached to the decorative gear can be changed.

In the case where the intermediate wheel has a plurality of teeth in the axial direction, the bearing portion of the turntable is positioned and supported so that the decorative gear meshes with each tooth of the intermediate wheel. To be installed in multiple locations. Accordingly, it is possible to change the meshing state between the tooth portion of the intermediate wheel and the decorative gear only by changing the position of the bearing portion.

[0010]

1 is a sectional view showing the structure of a rotary ornament according to the present invention, and FIG. 2 is a plan view showing the inside of the turntable shown in FIG. The turntable 2 composed of the housing shown in FIG. 1 includes an upper plate 4 and a lower plate 6. The upper plate 4 and the lower plate 6 are provided with bearing portions 8 and 10 at positions facing each other. The bearing portion 8 of the upper plate 4 is formed of a through hole 8a that fits a shaft of a decorative gear described later. An annular projection 8b to which a ring-shaped bearing member 12 that directly receives a shaft made of metal is attached to the bearing portion 8 in this embodiment.
Is also provided on the upper surface of the upper plate 4 around the through hole 8a.
On the other hand, the bearing portion 10 of the lower plate 6 also includes a through hole 10a,
In this embodiment, annular projections 10b and 10c are provided on the upper and lower surfaces of the lower plate 6 around the through hole 10a, respectively. A magnet 14 and a bearing member 16 are fitted into the annular protrusions 10b and 10c, respectively. The details of the arrangement of the bearings 8 and 10 will be described later.

A drive mechanism 18 for driving the turntable 2 to rotate.
Has a built-in battery, motor and wheel train in its main body 18a, and rotates an output shaft 20 at the center thereof. The output shaft 20 penetrates through the center hole 6 a of the lower plate 6 of the turntable 2 and engages with the center of the upper plate 4. The drive mechanism 18 in the present embodiment has a main body 18a fixed to the substrate 22, and furthermore, the output shaft support 1 protruding from the main body 18a.
8b is supported by a protruding portion 22a protruding upward from the substrate 22. A magnet 24 is attached to an upper portion of the output shaft support portion 18b of the substrate 22, and is attached to a lower portion of a support member 26 which is loosely fitted to the output shaft 20 and supports the center of the upper plate 4 of the turntable 2 from below. The magnets oppose each other and repel each other to reduce the force applied to the output shaft 20 to obtain smooth rotation.

The intermediate wheel 30 is rotatably supported by a shaft 4a projecting from the lower surface of the upper plate 4. A plurality of intermediate wheels 30 in this embodiment are provided between the upper plate 4 and the lower plate 6 with the same structure, and rotate as the turntable 2 rotates.

The sun gear 32 has a ring shape, is disposed so as to mesh with an intermediate wheel 30 that is rotated by the rotation of the turntable 2, and is fixed to the substrate 22.

The decorative gear 34 is composed of a decorative pinion 36 meshing with the intermediate wheel 30 and a shaft 38 mounted so as to penetrate the center thereof. Installed. The upper part 38 a of the shaft 38 of the decorative gear 34 is formed with a through hole 8 a of the bearing 8.
The lower portion 38b is inserted into the bearing member 16 of the bearing portion 10 and is rotatably supported. The magnet 40 repels the magnet 14 of the bearing portion 10 to reduce the load on the shaft 38. It is configured to rotate smoothly.

The decorative body 42 is attached to the upper end of the shaft 38 of the above-described decorative gear 34, and rotates together with the decorative gear 34 around the shaft 38 and further rotates.

In the rotary ornament structure having the above-described configuration, when the turntable 2 is rotated by the rotation of the output shaft 20, the intermediate wheel 30 rotates around the output shaft 20 together with the turntable 2 while meshing with the sun gear 32. Moving. For this reason,
The intermediate wheel 30 rotates while rotating. At this time, the decorative gear 34 meshing with the intermediate wheel 30 is
Due to the rotation of the intermediate wheel 30, the intermediate wheel 30 rotates and rotates.

A plurality of bearing portions 8 and 10 of the above-described turntable 2 are provided, respectively, and as shown in FIG. 2, the bearing portion 8 whose distance from the output shaft 20 which is the center of rotation is A.
A and 10A, and bearing portions 8B and 10B whose distance from the output shaft 20 is B are provided. The bearings 8A, 1
0A, 8B, and 10B are provided so that the decorative pinion 36 meshes with the intermediate wheel 30 regardless of which the decorative gear 34 is attached.
The distance from the center of the intermediate wheel 30 is set to be equal.

As shown in FIG. 2, the bearings 8A,
By attaching the shaft 38 of the decorative gear 34 to A, the decorative gear 34 can be arranged at a position farthest from the output shaft 20. On the other hand, when the shaft 38 of the decorative gear 34 is attached to the bearings 8B, 10B, the decorative gear 34 can be arranged closer to the output shaft 20 than when it is attached to the bearings 8A, 10A. By changing the position of the decorative gear 34 in this manner, the decorative body 4 attached to the shaft 38
2 can be changed.

Further, as shown in FIG.
It is also possible to attach the decorative gear 34 to both 0A and the bearing portions 8B and 10B, and thereby the number of decorative bodies 42 can be increased. Furthermore, it is also possible to arrange the decorative gears 34 at different positions by using the bearings 8A and 10A and a part of the bearings 8B and 10B.

FIG. 4 is a sectional view showing a partially modified example of the structure of the rotary ornament shown in FIG. 1, and FIG. 5 is a plan view showing the inside of the turntable 2. In this partially modified example, the first and second tooth portions 5 having different numbers of teeth superimposed in the axial direction are provided.
An intermediate wheel 50 having 0a and 50b is used. The first and second teeth 50a, 50 of the intermediate wheel 50
b, the first and second decorative gears 52 respectively meshed with b.
54 are supported by bearings 8A and 10A and bearings 8B and 10B, respectively.

The bearing portions 8A, 10A,
8B and 10B, the first and second decorative gears 52 and 54 are the first and second tooth portions 50a and 50 of the intermediate wheel 50, respectively.
The position is determined so as to mesh with b. For this reason,
Simply selecting the first and second decorative gears 52 and 54 and attaching them to predetermined bearings 8A, 10A, 8B and 10B can engage with the first and second teeth 50a and 50b of the intermediate wheel 50. it can. The first and second tooth portions 50a and 50b of the intermediate wheel 50 have different numbers of teeth, and the first and second decorative gears 52 and 54 also have different numbers of teeth. The rotation speeds of the decorative gears 52 and 54 are also different. Therefore, the rotation state of the decorative body 42 can be changed only by selecting the first and second decorative gears 52 and 54 and attaching one of them or attaching them in combination.

[0022]

According to the present invention, a plurality of bearings for a decorative gear to which a decorative body is attached are provided on a rotary table, and the position of the bearing is such that the decorative gear can mesh with the intermediate wheel, and a part of the bearing is provided. The position of the turntable is set differently from the center of the turntable so that it can be easily decorated without changing the position or basic structure of the turntable, drive mechanism or intermediate wheel. Can change body position.

Further, the intermediate wheel is provided with a plurality of teeth, and a plurality of bearings for supporting a decorative gear meshing with each of the teeth are also provided on the turntable. By selecting or combining the meshing decorative gears, the rotation speed of the decorative body can be easily changed.

[0024] Furthermore, since it is possible to provide rotating decorations having different positions and rotation speeds of the decorative body with exactly the same structure,
There is no need to manufacture a new mold or part, and the cost can be reduced.

Also, the number of decorative bodies can be easily increased or decreased, and many variations of the rotary decoration can be provided while having the same structure.

Further, by forming all the bearing portions in advance on one of the upper plate and the lower plate constituting the turntable and forming the bearing portions only on necessary portions on the other, the position of the bearing portion at the time of assembly can be determined. The determination can be made easy, and when the position of the decorative body or the like is changed, only the other part needs to be replaced, so that an increase in cost can be minimized.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing the structure of a rotary ornament according to the present invention.

FIG. 2 is a plan view showing the inside of the turntable shown in FIG. 1;

FIG. 3 is a plan view showing an example in which the position of a bearing portion and the configuration of an intermediate wheel in the turntable shown in FIG. 2 are changed.

FIG. 4 is a sectional view showing a partially modified example of the structure of the rotary ornament shown in FIG. 1;

FIG. 5 is a plan view showing the inside of the turntable shown in FIG. 4;

[Explanation of symbols]

 2 Turntable 4 Upper plate 6 Lower plate 8, 10 Bearing unit 8A, 8B Bearing unit 10A, 10B Bearing unit 18 Drive mechanism 20 Output shaft 30, 50 Intermediate wheel 32 Sun gear 34 Decorative gear 38 Shaft 42 Decorative body 50a First Tooth 50b Second tooth 52 First decorative gear 54 Second decorative gear

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A63H 13/20 A63H 31/08 G04B 45/00

Claims (3)

(57) [Claims] 1. A turntable, a drive mechanism for rotating the turntable, an intermediate wheel rotatably supported by the turntable, and rotating with the rotation of the turntable; A sun gear arranged in a moving circle and meshing with the intermediate wheel; a decorative gear rotatably supported by the turntable and meshing with the intermediate wheel and rotating and rotating with the rotation of the turntable; A decorative body attached to a shaft of a decoration gear, and the rotating table further includes a bearing portion that rotatably supports the shaft of the decoration gear and supports the decoration gear so as to mesh with the intermediate wheel. A rotating decoration structure, wherein a plurality of bearings are provided and a part of the bearings is arranged so that a distance from a rotation center of the rotary table is different from other bearings. 2. A turntable; a drive mechanism for driving the turntable to rotate; an intermediate wheel rotatably supported by the turntable and rotating with the rotation of the turntable; A sun gear arranged in a moving circle and meshing with the intermediate wheel; a decorative gear rotatably supported by the turntable and meshing with the intermediate wheel and rotating and rotating with the rotation of the turntable; A decorative body attached to a shaft of a decorative gear, wherein the intermediate wheel has a plurality of teeth in the axial direction, and the turntable supports the shaft of the decorative gear rotatably, and A rotary ornament structure comprising a plurality of bearing portions for positioning and supporting a decorative gear so as to mesh with a plurality of teeth of the intermediate wheel. 3. The turntable has an upper plate and a lower plate for supporting the intermediate wheel and the decorative gear from above and below, respectively, and a plurality of the bearing portions are formed in advance on one of the upper plate and the lower plate. 3. The structure of a rotary decoration according to claim 1, wherein only a necessary portion of the bearing portion is formed on the other side.