JPH04109394U - Rotating decoration drive device - Google Patents

Abstract

(57) [Summary] [Objective] To provide a rotation drive device for an ornament, which allows the ornament to perform vertical movement and rotational movement at the same time. [Structure] A decorative shaft is supported rotatably and movably in the axial direction with respect to a support member, one end of this decorative shaft is provided with a decoration, and the other end is provided with an engaging member, The inclined plate faces the supporting member in a state of being inclined at a predetermined angle, the engaging member is brought into elastic contact with the inclined plate by the urging means, and at least one of the supporting member and the inclined plate is rotationally driven by the driving means. .

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a rotating ornament drive device used, for example, in a table clock with rotating ornaments. It is something.

0002

[Conventional technology]

Traditionally, so-called ``karakuri clocks'', in which dolls dance on the hour, have become popular. It is well known and has various configurations. As an example, the applicant previously A table clock with a movable decoration that shows the movement of a merry-go-round (Unexamined Japanese Patent Publication No. 2-38990) No.) is proposed. This conventional technology supports a shaft with a decoration (horse) on the upper end. The disc rotates, and the rollers installed at the bottom end of the shaft move over the corrugated cam inside the case. By rolling, the shaft moves up and down, and therefore the decoration (horse) rotates while moving up and down. It is something that changes.

0003

[Problem that the idea aims to solve]

In the conventional technology in which the rollers roll on the wave-shaped cam described above, the decoration has vertical movement. Although it is possible to give rotational motion to the decoration itself, it is not possible to give it rotational motion. Temporarily, decoration If you try to give it vertical and rotational motion at the same time, its structure will become complicated. Ru.

0004 The present invention is a drive device that can simultaneously give vertical and rotational movements to decorations. The aim is to obtain this at low cost with a simple configuration.

[0005]

[Means to solve the problem]

In order to achieve the above purpose, the rotating decoration drive device of the present invention is characterized by a decoration shaft. It is supported rotatably and movably in the axial direction on the support member, and this decorative shaft One end is provided with a decoration and the other end is provided with an engaging member, and the support member is placed in place. The inclined plates face each other while being inclined at a fixed angle, and the engaging member is inclined by the biasing means. is in elastic contact with the board, and at least one of the support member and the inclined board is rotated by the driving means. It is in a place where it is rotated and driven.

[0006]

[Effect]

When the inclined plate rotates at a predetermined angle with respect to the support member that supports the decorative shaft, The decorative shaft that comes into contact with this inclined plate via the engagement member moves up and down, and the decorative shaft automatically moves up and down. By rotating the body, the decoration moves up and down and rotates at the same time. decorative axis If the support member supporting the Move the position while doing the exercise at the same time.

[0007]

【Example】

A first embodiment of the present invention will be described with reference to FIGS. 1-4. As shown in Fig. 1, an upper case 1 and a lower plate 2, which are supporting members, are connected to each other to form a box. The rotating decoration drive device is built inside this box.

[0008] The decorative shafts 41 and 42 are supported by bearings 31 and 32 provided in the upper case 1. It is rotatably supported along the direction. The decorative shafts 41 and 42 protrude from the upper case 1. decorations 51 and 52 are attached to each upper end.

[0009] A motor 6 as a drive source is fixed to the lower plate 2, and the motor 6 is tilted to the rotation axis 6a of the motor. A slope plate 7 is attached. The inclined plate 7 has a surface (horizontal) on which the support member 1 supports the decorative shaft. It is inclined at a predetermined angle (approximately 20 degrees in this embodiment) with respect to the surface of the substrate.

0010 The upper surface of the inclined plate 7 is a flat surface, and the lower ends of the decorative shafts 41 and 42 are attached to this flat surface. portions are in contact with each other via engaging members 81 and 82, respectively. At this time, the decorative shaft 41 , 42 against the inclined plate 7 is gravity. That is, decoration 51,5 The decorative shafts 41, 42 themselves are urged against the inclined plate 7 by using the weight of the decorative shafts 41, 42 themselves.

[0011] The shape of the lower ends of the engaging members 81 and 82 is a disc shape, and the lower surface thereof is a decorative shaft. It is parallel to a plane (horizontal plane) perpendicular to 41 and 42. On the other hand, the inclined plate 7 are non-parallel to the horizontal plane as described above, so the engaging members 81 and 82 are One point on the outer periphery of the disk makes contact with the inclined disk 7 at one point, and this contact point is connected to the decorative shaft 51, It is offset from the axis of 52. Hereinafter, the contact points between the two will be referred to as P1 and P2, respectively.

0012 Next, the operation will be explained. As shown in Fig. 2, the inclined plate 7 is directed to the right when viewed from above. (clockwise). As shown in Figure 1, the position of the inclined plate 7 is at the bottom right. When in this state, the contact point between the engaging member 81 located on the right side of FIG. P1 is located on the inner side (near the rotation center of the inclined plate 7) with the decorative shaft 41 in between, and is shown in FIG. The contact point P2 between the engaging member 82 located on the left side and the rotary plate 7 is located on the left side, with the decorative shaft 42 being sandwiched between them. It is located on the outside (outside the rotation center of the inclined plate 7). Therefore, as shown in Figure 2. When the sea urchin is viewed from above, the decoration shaft 41 rotates in the opposite direction (counterclockwise) to the inclined plate 7, and the decoration The shaft 42 rotates in the same direction as the rotating plate 7 (clockwise). As shown in Figures 3 and 4, the slope Because the contact points P1 and P2 between the engaging member and the rotary plate move while the plate 7 rotates half a rotation. , with the movement of this contact point, the decorative shafts 41 and 42 move in the correct position while the inclined plate 7 rotates half a rotation. Rotate in the opposite direction. Moreover, if the position of the inclined plate 7 is downward to the right as shown in FIG. At this time, the decorative shaft 41 is at the lowest position, the decorative shaft 42 is at the highest position, and the inclined plate 7 is When the position is downward to the left as shown in FIG. 4, the decorative shaft 41 is at the top position. Yes, and the decorative shaft 42 is at the lowest position. Therefore, the two decorations 51 and 52 are mutually It will move up and down while rotating in the opposite direction.

[0013] Next, a second embodiment of the present invention will be described with reference to FIGS. 5 and 6. Regarding the members that have substantially the same function as the first embodiment described above, FIG. The same reference numerals will be given, and the explanation will be omitted. As shown in FIGS. 5 and 6, each decorative shaft 41 The lower ends of the two engaging members 91 and 92 provided at the lower ends of , 42 are respectively 2 It has a shape of two circular arcs arranged in parallel. The engaging members 91 and 92 are energetically In order to always try to move toward a stable state, as the tilting direction of the tilting plate 7 changes, Each engaging member 91, 92 rotates in a direction in which it always contacts the upper surface of the inclined plate 7 at two points. Therefore, the two decorations 51 and 52 are both rotated in the same direction as the inclined plate 7 and raised. It will show the movement of moving downward.

[0014] Next, a third embodiment of the present invention will be described with reference to FIGS. 7 and 8. Regarding the members that have substantially the same function as the first embodiment described above, FIG. The same reference numerals will be given, and the explanation will be omitted. As shown in FIG. 7, each decorative shaft 41, 4 The lower ends of the two engaging members 93 and 94 provided at the lower ends of the Each of them is recessed to form a concave shape. In addition, each engagement member 93, 94 of the inclined plate 71 The engaging portion is a protrusion 71a having a pointed top and a chevron-shaped cross section. Projection 7 1a is formed continuously along the outer periphery of the inclined plate 71 with height differences. There is.

[0015] As shown in FIGS. 7 and 8, decorations are placed on the sides of each engaging member 93 and 94 while moving up and down. Contact members 1a and 1b that are in constant contact are provided integrally with the upper case 1.

[0016] As the inclined plate 71 rotates, the two decorations 51 and 52 move up and down, but the engagement portion Because there is a misalignment in the contact points between the materials 93 and 94 and the protrusion 71a, the decorative shafts 41 and 42 Lateral blurring occurs. However, the abutting members 1a, 1b are located at the sides of the engaging members 93, 4. Since it is in constant contact with the Move down.

[0017] Next, a fourth embodiment of the present invention will be described with reference to FIGS. 9 and 10. Regarding the members that have substantially the same function as the first embodiment described above, FIG. The same reference numerals will be given, and the explanation will be omitted. As shown in FIGS. 9 and 10, each decorative shaft 4 The lower ends of the two engaging members 95 and 96 provided at the lower ends of 1 and 42 are respectively It has a spherical shape. In addition, a portion that engages with each of the engaging members 95 and 96 of the inclined plate 72 is provided. The portion is a protrusion 72a having a pointed top and a chevron-shaped cross section. The protrusion 72a is inclined It is formed continuously along the outer periphery of the board 72 with height differences. protrusion The center line (A) passing through the apex of the portion 72a and the axis center line (I) of the decorative shaft 41 (or 42) ) is slightly offset by a predetermined distance d as shown in FIG. therefore , each of the engaging members 95, 96 comes into contact with the protrusion 72a at one point.

[0018] As the inclined plate 72 rotates, the two decorations 51 and 52 move up and down, but each engagement Even if there is a misalignment in the contact points between the members 95, 96 and the protrusion 72a, the distance shown in FIG. Since both are always in contact at one point within the range of d, the The resulting lateral force is absorbed as vertical movement. Moreover, as shown in Figure 10. Since the center lines of both sea urchins are offset, the decorations 51 and 52 move up and down while rotating. move.

[0019] In this case, the contact members (1a, 1b) shown in FIGS. 7 and 8 are unnecessary. Also, each The positional accuracy of the decorative shafts 41, 42 and the inclined plate 72 was compared with the third embodiment described above. Can be made smaller.

[0020] Next, a fifth embodiment of the present invention will be described with reference to FIG. 11. Here, the entire rotating decoration device explained in the first embodiment is turned upside down and suspended. An example of a case where it is used as a type of decoration is shown below. Regarding the members that have substantially the same function as the first embodiment described above, FIG. The same reference numerals will be given, and the explanation will be omitted. Between the upper case 1 and the engaging members 81 and 82 Biasing springs 11 and 12 are interposed between them, and the decorative shafts 41 and 42 are pushed upward in FIG. It's firing. As the tilting plate 7 rotates, the decorative shafts 41 and 42 release the biasing spring 11. , 12 are pushed down against the spring force, and the two decorations 51 and 52 are moved in opposite directions. It will show the movement of moving up and down while rotating.

[0021] Next, a sixth embodiment of the present invention will be described with reference to FIG. 12. Here, an example is shown in which a support member that supports a decorative shaft rotates. As shown in FIG. 8, the upper frame 13, side frame 14 and lower plate 15 are connected to each other to form a box body. The rotating decoration drive device is built inside this box.

[0022] A support gear 16 is sandwiched between the upper frame 13 and the middle plate 17 and is rotatably supported. . This support gear 16 is provided with bearings 31 and 32, and these bearings allow the decorative Shafts 41 and 42 are rotatably supported along their axial directions. Decorative shaft 41, 4 2 protrudes from the upper frame 13, and ornaments 51 and 52 are attached to each upper end.

[0023] A motor 6 as a drive source is fixed to the lower plate 15, and a rotation shaft 6a of the motor is fixed to the lower plate 15. A drive gear 19 is attached via a fitting shaft 18. In addition, the lower plate 15 has an inclined A member 71 is fixed, and its upper surface is at a predetermined angle with respect to the support gear 16 (horizontal surface). (approximately 20 degrees in this embodiment). The drive gear 19 includes an intermediate gear 20 The support gear 16 is in mesh with the support gear 16 via. Intermediate gear 20 is connected via coil spring 21 When the decorations 51 and 52 are divided into upper and lower parts and excessive rotational force is applied from the outside. It constitutes a slip mechanism to stop the rotation that occurs in the

[0024] The upper surface of the inclined member 73 is a flat surface, and the decorative shafts 41 and 42 are placed on this flat surface. The lower end portions are in contact with each other via engaging members 81 and 82.

[0025] The lower ends of the engaging members 81 and 82 are disk-shaped, and the lower surface thereof is orthogonal to the decorative shaft. It is parallel to the plane. Therefore, the engaging members 81 and 82 are connected to the inclined member 73. It contacts the top surface at one point, and this contact point is offset from the center of the decorative shafts 51 and 52. The configuration is the same as the first embodiment.

[0026] Next, the operation will be explained. The rotation of the motor 6 drives the drive gear 19 and the intermediate gear 20. The signal is transmitted to the support gear 16 via the support gear 16, and the support gear 16 rotates. This support gear 16 With the rotation, the positions supporting the decorative shafts 41 and 42 rotate. In addition, the decorative shaft 41 , 42 are in contact with the upper surface of the inclined member 73 via engaging members 81 and 82. Therefore, when the decorations 51 and 52 move up and down while rotating in opposite directions, they are the same. Sometimes, the position of the decoration itself (the position that moves up and down while rotating) rotates around the horizontal plane. Moving.

[0027] Next, a seventh embodiment of the present invention will be described with reference to FIG. 13. Here, an example will be shown in which both the support member that supports the decorative shaft and the inclined plate rotate.

[0028] As shown in FIG. 8, the upper frame 13, side frame 14 and lower plate 15 are connected to each other to form a box body. The rotating decoration drive device is built inside this box.

[0029] A support gear 16 is sandwiched between the upper frame 13 and the middle plate 17 and is rotatably supported. . This support gear 16 is provided with bearings 31 and 32, and these bearings allow the decorative Shafts 41 and 42 are rotatably supported along their axial directions. Decorative shaft 41, 4 2 protrudes from the upper frame 13, and ornaments 51 and 52 are attached to each upper end.

[0030] A motor 6 as a drive source is fixed to the lower plate 15, and a rotation shaft 6a of the motor is fixed to the lower plate 15. A tilt plate 7 is attached to the upper end. The inclined plate 7 has a support gear 16 supporting a decorative shaft. It is inclined at a predetermined angle (approximately 20 degrees in this example) with respect to the receiving surface (horizontal surface). Ru. The upper surface of the inclined plate 7 is a flat surface, and the bottom of the decorative shafts 41 and 42 is The ends abut each other via engaging members 81 and 82, respectively.

[0031] A drive gear 22 is attached to the rotating shaft 6a of the motor. This drive gear 22 In this case, the transmission gears 23 and 24, the intermediate gear 20, and the support gear 16 mesh in sequence. . The intermediate gear 20 is divided into upper and lower parts via a coil spring 21, and decorations 51, 52 A slip machine to cut off the rotation that occurs when excessive rotational force is applied from the outside. It makes up the structure.

[0032] Next, the operation will be explained. The rotation of the motor 6 is transferred from the drive gear 22 to the transmission gear 23. and is transmitted to the support gear 16 via the intermediate gear 20, and the support gear 16 rotates. . As the support gear 16 rotates, the positions supporting the decorative shafts 41 and 42 rotate. However, at the same time, the rotation of the motor 6 also rotates the inclined plate 7. Decorative shafts 41 and 42 Since each lower end portion is in contact with the upper surface of the inclined plate 7 via the engaging members 81 and 82, each The decorations 51 and 52 move up and down while rotating in opposite directions, and at the same time, the decorations move on their own. The position of the body (the position that moves up and down while rotating) rotates around the horizontal plane. Na Also, unlike the sixth embodiment described above, since the inclined plate 7 itself also rotates, the decorations 51, The period of vertical movement of 52 is irregular.

[0033]

[Effect of the idea]

As explained above, according to the rotary decoration drive device of the present invention, decorations can be made with a simple configuration. can be given vertical and rotational motion simultaneously. It also supports the decorative shaft. If the support member is configured to rotate, the decoration can be moved in addition to the above-mentioned vertical and rotational movements. , the position of the decoration itself can be moved.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing a first embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA in FIG. 1;

FIG. 3 is a side view illustrating the operation of the first embodiment of the present invention.

FIG. 4 is a side view illustrating the operation of the first embodiment of the present invention.

FIG. 5 is a sectional view showing a second embodiment of the present invention.

FIG. 6 is a sectional view showing another state of the second embodiment of the present invention.

FIG. 7 is a sectional view showing a third embodiment of the present invention.

8 is a sectional view taken along line BB in FIG. 7. FIG.

FIG. 9 is a sectional view showing a fourth embodiment of the present invention.

FIG. 10 is an enlarged sectional view of the main part of FIG. 9;

FIG. 11 is a sectional view showing a fifth embodiment of the present invention.

FIG. 12 is a sectional view showing a sixth embodiment of the present invention.

FIG. 13 is a sectional view showing a seventh embodiment of the present invention.

[Explanation of symbols]

1,16 Support member 1a, 1b contact member 41,42 Decorative axis 51,52 decoration 6 Drive means 7, 71, 72, 73 inclined plate 71a, 72a protrusions 81, 82 Engagement member 91, 92, 93, 94, 95, 96 Engagement member 11, 12 Biasing means

Claims (5)

[Scope of utility model registration request] Claim 1: A decorative shaft rotatably and axially movably supported on a support member, and having a decoration on one end and an engagement member on the other end; an inclined plate that faces each other in a state of inclination at a predetermined angle and abuts the engagement member; a biasing unit that applies a force that causes the engagement member to come into elastic contact with the inclined plate; the support member and the inclined plate; and a drive means for rotationally driving at least one of the rotating ornament drive devices. 2. The rotary ornament drive device according to claim 1, wherein gravity is used as the biasing means. 3. The rotary ornament drive device according to claim 1, wherein a spring is used as the biasing means. 4. In claim 1, an outer peripheral portion of the inclined plate is provided with a chevron-shaped protrusion having a height difference, and a portion of the engaging member that engages with the protrusion has a concave shape. and a rotating ornament drive device, wherein a contact member that constantly contacts a side of the engagement member is provided integrally with the support member. 5. In claim 1, an outer peripheral portion of the inclined plate is provided with a chevron-shaped protrusion having a height difference, and a portion of the engaging member that engages with the protrusion has a spherical shape. A rotary ornament drive device, wherein the axis of the engaging member and the center line of the protrusion are offset by a predetermined length.