JPH1033835A - Rotary decoration device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To diversify a movement of a decorative body and to obtain an excellent decoration effects of unexpectedness and interest, etc., by supporting one end of a rotating body provided with a decorative body on the other end rotatably around a supporting shaft and swinging a supporting shaft by cooperation with a cam member for which a cam surface is formed. SOLUTION: In the case of performing execution to a time piece device, when a motor M is rotated by signals generated at the prescribed time, a rotary shaft 12 is rotated through gears 16 and 14 and a decorative body supporting shaft 6 supported by the supporting member 4 of a rotary plate 4 is turned around the rotary shaft 12 along with a cover member 30. Thus, the decorative body 8 attached to the tip of the decorative body supporting shaft 6 is turned around the rotary shaft 12. Also, at the time, since the shaft part of the decorative body supporting shaft 6 is slid along the cam surface 10a of the cam member 10, the decorative body supporting shaft 6 is swung around the shaft 4b along the curved surface shape of the cam surface 10a and the decorative body 8 is swung and moved with large amplitude corresponding to projected and recessed parts provided on the cam surface 10a while being turned.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary decoration device in which a decorative body swings with rotation.

[0002]

2. Description of the Related Art A rotating decoration device in which a decorative member attached to a rotating body gives a visually decorative effect in accordance with the rotation of a rotating body provided in the apparatus is applied to a clock, a game machine, and the like. Have been. For example, 3-16
No. 092 discloses a rotating disk provided rotatably on a frame in which a timepiece body is incorporated, and a cam circle provided concentrically with the rotating disk and rotatably provided with respect to the rotating disk. A driving means for rotating the rotary disk and the cam disk in response to a signal from the timepiece body, and penetrating the rotary disk movably in the vertical direction, having a decoration at the upper end, and having a cam circle at the lower end. A movable decorative timepiece comprising a shaft engageable with a cam surface of a plate is disclosed. This timepiece with a movable decoration moves up and down at the same time as the rotation of the decoration, so that a decorative effect is further provided.

[0003]

However, in the above-mentioned timepiece with movable decoration, the decoration simply rotates up and down as the decoration is rotated. But it was necessary to provide something large and varied. In order to obtain a more decorative effect in which the movement is varied, for example, it is conceivable to further increase the amplitude of the vertical movement of the decoration. For that purpose, the unevenness of the cam surface must be increased, and there is a problem that the drive mechanism of the decoration becomes large.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a rotary decoration device which requires a relatively small drive mechanism for a decorative body and in which the movement of the decorative body is greatly varied. With the goal.

[0005]

According to the present invention, there is provided a rotary decoration device comprising: a rotating body; driving means for rotating the rotating body;
A decoration body provided at one end, and at least one decoration body support shaft supported by the rotating body so that the other end is rotatable about a predetermined axis; and the decoration body supporting axis along a rotation direction of the rotating body. A cam member formed with a cam surface that engages with a shaft portion of the shaft and swings the decorative body support shaft around the predetermined shaft.

[0006] In the rotary decoration device according to the present invention, the decorative body support shaft rotates with the rotation of the rotating body by the driving means. The shaft portion of the decorative body support shaft and the cam surface formed on the cam member engage, and the decorative body support shaft swings about a predetermined axis while rotating. Therefore, the decorative body provided at one end of the decorative body support shaft performs a swinging motion while rotating.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a rotary decoration device according to an embodiment of the present invention.

FIG. 1 is a sectional view showing an embodiment of the rotary decoration device according to the present invention, and FIG. 2 is a top view showing the structure of a main part of the rotary decoration device in FIG. The rotary decoration device shown in FIG. 1 is applied to, for example, a clock device, and a clock mechanism (not shown) is provided in the rotary decoration device.

In FIG. 1, a support plate 32 is provided in a housing 2.
And 34 are fixed, and the rotating shaft 12
A motor M for rotating the gear 16 and a bearing member 36 having a bearing portion 36a rotatably supporting the lower end of the gear 16 are fixed. The support plate 32 has a through hole 32a into which the rotating shaft 12 is inserted, and the cam member 10 is integrally formed on the upper surface. The rotating shaft 12 is
The rotating plate 4 is fixed while being inserted into the through hole 32a formed in the support plate 32. Rotating plate 4
A support member 4a is formed on the upper surface of the support member 4a. A shaft 4b is fixed to the support member 4a, and an engaging portion 6a of the decorative body support shaft 6 is rotatably engaged with the shaft 4b.

As shown in FIG. 2, a decorative body 8 simulating an airplane, for example, is attached to the tip of the decorative body support shaft 6. They are provided radially at equal intervals in the circumferential direction.

The above-described cam member 10 has a cylindrical shape, and has a cam surface 10a formed on the upper end surface thereof. The cam surface 10a is a curved surface having smooth irregularities along the circumferential direction, and the shaft portion of the decorative body support shaft 6 is supported on the cam surface 10a. The cover member 30 placed on the support plate 32 is a hemispherical member. The cover member 30 has an insertion hole 30a formed along the operating range of the decorative body support shaft 6 and the rotation shaft. An insertion hole 30b into which the wire 12 is inserted is formed. The cover member 30 is provided to make the engagement between the support member 4 a of the cam member 10 and the rotating plate 4 and the engagement portion 6 a of the decorative body support shaft 6 invisible from the outside.

A gear 18 provided at the upper end of the rotating shaft 12
Engages with the gear 20 provided on the rotating shaft 22, and transmits the driving force of the rotating shaft 12 to the rotating shaft 22. In addition, the rotating shaft 2
Reference numeral 2 is used to rotationally drive another decorative body.

Next, the operation of the rotary decoration device configured as described above will be described. For example, at a predetermined time, the motor M rotates in a predetermined direction according to a signal from the clock device. By the rotation of the motor M, the gears 16, 1
The rotary shaft 12 rotates via the rotation shaft 4. When the rotating shaft 12 rotates, the rotating shaft 4 rotates together with the rotating shaft 12, the rotating plate 4 rotates, and the decorative body supporting shaft 6 supported by the supporting member 4 a of the rotating plate 4 rotates around the rotating shaft 12. The support member 4a and the cover member 30 are fixed to each other with screws, and the rotation of the rotary plate 4 causes the rotary plate 4, the cover member 30, and the decorative body support shaft 6 to rotate integrally. Also,
The coil spring B is fitted to the decorative body support shaft 6 and the support member 4a is urged downward, thereby preventing rattling of the decorative body support shaft 6.

As a result, the decorative body 8 attached to the tip of the decorative body support shaft 6 turns around the rotary shaft 12. At this time, the shaft portion of the decorative body supporting shaft 6 slides with the cam surface 10a of the cam member 10. For this reason, the decorative body supporting shaft 6 is adapted to the curved surface shape of the cam surface 10a.
, And the decorative body 8 swings in the direction of the arrow in FIG.

The cam surface 10a of the cam member 10 and the shaft of the decorative body support shaft 6 are in contact with each other near the engaging portion 6a of the decorative body support shaft 6. That is, the distance from the abutting position to the decorative body is longer than the distance from the engaging portion 6a of the decorative body supporting shaft 6 to the contact position between the cam surface 10a and the shaft portion of the decorative body supporting shaft 6. From the cam surface 10 of the cam member 10
The size of the unevenness of a is amplified at the tip of the decorative body support shaft 6. As a result, the decorative body 8 turns and performs a swinging motion having an amplitude larger than the size of the unevenness of the cam surface 10a of the cam member 10.

As described above, according to the rotary decoration device according to the present embodiment, in addition to the operation of rotating the decorative body 8 with the rotation of the rotating plate 4, the decorative body 8 is moved via the decorative body support shaft 6. Due to the rocking, the movement is diversified, and an excellent decoration effect such as unexpectedness and fun is brought about. Further, the unevenness of the cam surface 10a of the cam member 10 is amplified to a larger motion via the decorative body support shaft 6, so that the decorative body 8 can perform a swinging motion having a large amplitude. In addition, there is no need to increase the size of the cam member 10 or the like in order to drive a swinging motion having a large amplitude.

[0017]

As described above, according to the rotary decoration device of the present invention, at least one end provided with a decorative body and the other end supported by the rotary body so as to be rotatable about a predetermined axis. And a cam member formed with a cam surface that engages with the shaft portion of the decorative body support shaft along the rotation direction of the rotating body and swings the decorative body support shaft around a predetermined axis. Since, in addition to the operation of the decorative body rotating with the rotation of the rotating body, the decorative body swings greatly via the decorative body support shaft, the movement becomes diversified, excellent in unexpectedness and fun, etc. A decorative effect is provided. In addition, a large swinging movement of the decorative body can be performed by a relatively compact driving means.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of a rotary decoration device according to the present invention.

FIG. 2 is a top view showing a structure of a main part of the rotary decoration device shown in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 2 ... Case 4 ... Rotating plate 4a ... Support member 4b ... Shaft 6 ... Decorative body support shaft 6a ... Engagement part 8 ... Decorative body 10 ... Cam member 10a ... Cam surface 12 ... Rotating shaft 14, 16 ... Gear 22 ... Rotation Shaft 30 Cover member 32, 34 Support plate 36 Bearing member M Motor

Claims (1)

[Claims] 1. A rotating body; a driving means for rotating the rotating body; and a decorative body provided at one end and at least one of the other end supported by the rotating body so as to be rotatable about a predetermined axis. A decorative body support shaft, and a cam surface that engages with the shaft portion of the decorative body support shaft along the rotation direction of the rotating body and swings the decorative body support shaft around the predetermined axis is formed. A rotary decoration device having a cam member.