JP2001142460A - Music box device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a music body which enables a user to simultaneously enjoy decorative appearance and melody. SOLUTION: The music box device 11 comprises a water wheel 15 which rotates around a first revolving shaft 24 and a music box which is assembled to the water wheel 15 and produces sounds when comb-like pawls are plucked by rotation of a rotary drum. The music box device 11 is so constituted that the rotary drum is rotated via a third rotary gear 64 and a secondary rotary gear 62 by the driving force of a first rotary gear 37 disposed at one end of the first revolving shaft 24 of the water wheel 15. A music box part 17 where the music box is housed is constituted to be turned in a direction attaching or detaching to or from the water wheel 15, thereby, the meshing state of the third rotary gear 64 and the first rotary gear 37 can be mutually engaged and released.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a music box device comprising a water wheel and a music box, which allows the user to listen to a melody permeating the heart while watching the water wheel and listening to the refreshing feeling of the water sound.

[0002]

2. Description of the Related Art Conventionally, in a music box, a rotating drum or a rotating disk is rotated by using a motor or a mainspring as a direct drive source, and minute projections projecting from the surface of the drum or the disk are formed in a comb shape. The melody was played by playing the claws of the sounding body. In addition, in this music box, a melody that produces a retro feeling is particularly preferred, and has an effect of healing mental and physical fatigue while immersing in the old mood, coupled with the old sound history of the music box.

On the other hand, water turbines are driven by the flow of water, and have been used for threshing of grains, power generation, and the like using the driving force. In recent years, its value as a decorative item that creates a refreshing or retro feel has been greatly recognized.
It has become possible to easily enjoy its decorative appearance when installed outdoors such as in a garden or as part of an indoor interior.

[0004]

However, in the above-mentioned conventional music box, the melody played mainly can be enjoyed, and the decorative appearance cannot be enjoyed. On the other hand, in the conventional waterwheel, the decorative appearance and the water sound could be enjoyed, but the melody could not be played.

The present invention has been made by focusing on the problems existing in the prior art as described above. An object of the present invention is to provide a music box device that can simultaneously enjoy a decorative appearance and a melody.

[0006]

In order to achieve the above object, a music box device according to the first aspect of the present invention is provided with a water wheel that rotates around a rotating shaft, and a water drum or a rotating drum that is assembled to the water wheel. And a music box that emits sound when a comb-like claw is flipped by the rotation of the rotating disk, and the rotating shaft of the water wheel is connected to the rotating shaft of the rotating drum or rotating disk, and the music box is driven by the driving force of the rotating shaft of the water wheel. The rotating drum or the rotating disk is rotated.

A music box device according to a second aspect of the present invention is the music box device according to the first aspect, wherein a sliding ring made of synthetic resin is provided on a rotating shaft of the water wheel, and the sliding ring is rotatably supported. Bearings made of synthetic resin are provided on both sides of the water wheel so that the outer peripheral surface of the sliding ring can be smoothly slid with respect to the bearing.

According to a third aspect of the present invention, there is provided a music box device according to the first or second aspect, wherein a plurality of rotating shafts of the water wheel and a rotating drum or a rotating disk are provided. By providing rotating gears and meshing those rotating gears, the driving force of the rotating shaft of the water wheel can be transmitted to the rotating shaft of the rotating drum or rotating disk, and the meshing state of the rotating gears is engaged and released. An operating member for causing the music box is provided.

[0009]

Embodiments of the present invention will be described below in detail with reference to the drawings. As shown in FIG. 1, a support base 12 constituting a lower end portion of a music box device 11 is formed of a synthetic resin into a substantially rectangular box shape, and a water tank 13 formed on one side thereof into a bottomed rectangular tube shape. Is provided, and the other side is an operation unit 14 in the shape of a rectangular box. At the center of the upper end of the water tank 13, a water wheel 15 formed of a synthetic resin in a substantially horizontal cylindrical shape is provided. At one end of the water tank 13, a water pumping cylinder 16 formed in a substantially inverted L-shape by a cylindrical body is provided upright. On the other hand, a square box-shaped music box section 17 in which a music box is housed is provided substantially at the center of the upper surface of the operation section 14.

A pair of bearing plates 21 formed in the shape of a square plate project upward from central positions on both sides of the upper end of the water tank 13. Further, a substantially concave notch groove 22 is formed in the center of the upper end of each bearing plate 21, and a support member 23 formed in a substantially square plate shape is fitted in each notch groove 22. Have been combined.

At the center of both sides of the water wheel 15, a pair of first rotating shafts 24 extending in the lateral direction are protruded, and these first rotating shafts 24 are formed in a circular hole formed in the center of the both support members 23. The water wheel 15 is rotatably supported between the two support members 23 by being inserted through the insertion hole 25. Also, a plurality of blades 2 extending in the lateral direction
6 are arranged at equal intervals, and between adjacent blades 26, water 2
An accommodation recess 28 for temporarily accommodating 7 is provided.

As shown in FIG. 2A, the support member 2
3 is composed entirely of a copolymerized polyacetal (Duracon). The support member 23 includes a pair of bearing members 31 formed in a substantially square plate shape, and an annular sliding ring 32 sandwiched and supported between the bearing members 31. Each of the bearing members 31 has a columnar fitting projection 33 protruding from an inner side surface of the corner, and a fitting recess 34 to be fitted with the fitting projection 33 is formed at a position facing the projection 33. ing.

Furthermore, on the inner surface of each bearing member 31,
The sliding contact portion 35 is curved in a mortar shape along the insertion hole 25. In the center of the sliding ring 32,
A fixing hole 36 for inserting and fixing the first rotary shaft 24 of the water wheel 15 is formed, and the outer peripheral surface of the ring 32 is formed by a smoothly curved curved surface. It is slidably contacted and supported between the two bearing members 31. A first rotating gear 37 formed in a disk shape is provided at a tip of the first rotating shaft 24 on the operation unit 14 side.

As shown in FIG. 1, a pump pipe 41 connected to a pump (not shown) is provided inside the pump cylinder 16.
Is inserted. The lower end of the pumping pipe 41 is disposed so as to be close to the bottom surface of the water tank 13, and
The upper end is disposed at the tip of the pumping cylinder 16, and is configured so that water 27 stored in the water tank 13 can be pumped up and dropped from the tip of the pumping cylinder 16 toward the accommodation recess 28 of the water wheel 15. ing. The pump is provided with a drive switch 42 provided at one end of the upper surface of the operation unit 14.
Is operated or stopped by operating.

On the other hand, a cylindrical fluorescent lamp 43 indicated by a dotted line is arranged on the side surface of the pumping cylinder 16 on the water tank 13 side, and the periphery of the fluorescent lamp 43 is translucently colored with fluorescent green. Cover 44 is provided, and the water wheel 1
5 and the water 27 can be illuminated fantastically. Also, this fluorescent lamp 43
The light is turned on or off by operating a light switch 45 provided adjacent to the drive switch 42.

As shown in FIGS. 1 and 3, the music box section 17 has a box-shaped housing 51 with a bottom, a music box 52 housed in the housing 51, and an upper opening of the housing 51 which can be opened and closed. And a lid 53 that closes.

As shown in FIG. 3, at the lower end of the music box 52, a music box base 5 having a substantially square plate shape is provided.
4 are provided. Further, a rotating drum 55 formed in a horizontal cylindrical shape, a second rotating shaft 56 for transmitting the driving force of the first rotating shaft 24 to the rotating drum 55, A comb-shaped sounding body 57 is provided at one side position of the sound generator 55.
In addition, the rotating drum 55 and the second rotating shaft 56 are rotatably supported on the music box table 54 by a pair of rotating bearings 58 provided at both ends thereof.

On the outer peripheral surface of the rotating drum 55, a plurality of minute projections 59, which digitize the melody played by the music box 52, are intermittently provided. The sounding body 5
A plurality of claw portions 60 having different lengths are sequentially formed in a rod shape at the tip of 7, and are configured to be capable of emitting a sound of a predetermined musical scale by being hit by the minute projection 59. On the other hand, the second rotating shaft 56 is provided with a worm gear 61 at a central portion thereof, and a second rotating gear 62 formed in a disk shape at a tip portion thereof.

As shown in FIG. 2B, the music box 1
A support shaft 63 (indicated by a dotted line) extending in a lateral direction is protrudingly provided on one side of the lid 53 constituting the cover 7. A distal end of the support shaft 63 has a disc-shaped third rotating gear 64 meshed with the first rotating gear 37 and the second rotating gear 62.
Are rotatably supported so that the rotation of the first rotating shaft 24 can be transmitted to the second rotating shaft 56 of the music box 52.

As shown in FIG. 4, a pair of locking plates 71 formed in a semicircular shape are provided at the lower ends on both sides of the housing 51 in a lateral direction, and are supported by a pair of locking screws 72. Is rotatably locked to the upper surface of the. That is, a turning hole 73 is formed in a circular hole at the tip end of one of the locking plates 71, and the housing 51 is horizontally moved around the turning hole 73 by inserting the locking screw 72. It can rotate. Further, the other locking plate 71
A regulating hole 74 is formed in a substantially elongated hole shape at the tip of the housing 51, and the rotation of the housing 51 can be regulated by inserting the locking screw 72.

At the lower end of the housing 51 on the side of the regulating hole 74, an operating rod 75 formed in a rod shape is protruded so as to extend in the lateral direction, so that the rotating operation of the housing 51 can be easily performed. It has become. Further, as shown in FIG. 4, when the operating rod 75 is rotated in a direction away from the water tank 13, the third rotating gear 64 and the first rotating gear 3 are rotated.
7 is released.

The operation of the music box device 11 will be described below. As shown in FIG. 1, when using the music box device 11, first, the water tank 13 is filled with water 27 to a position below the lower end of the water wheel 15.
Next, the drive switch 42 is operated to drive a pump (not shown) to pump the water 27 while pumping up the water 27.
Drop from the tip of. And this dropped water 27
Is temporarily accommodated in the accommodation recess 28 of the water wheel 15, and the weight of the water 27 and the energy of the falling water 27 cause the water wheel 15 to rotate around the first rotating shaft 24 in the direction indicated by the arrow. Is done.

At this time, as shown in FIG. 2A, the first rotating shaft 24 supported by the support member 23 is in contact with the outer peripheral surface of the sliding ring 32 fixed to the first rotating shaft 24. The bearing member 31 rotates while sliding smoothly with the sliding portion 35 of the bearing member 31. Subsequently, with the rotation of the first rotating shaft 24, the first rotating gear 37 is rotated as indicated by an arrow in FIG. 2B, and the third rotating gear 64 and the second rotating gear 62 are rotated. The driving force is transmitted to the second rotating shaft 56 to rotate the second rotating shaft 56.

As shown in FIG. 3, the second rotating shaft 56 is connected to a rotating drum 55 via a worm gear 61.
And the small projection 59 protruding from the surface of the rotating drum 55 plays the melody by playing the claw portion 60 of the sounding body 57, and the decorative appearance of the water wheel 15 and the music box 52
You can enjoy the melody at the same time. Further, when the fluorescent lamp 43 is turned on by operating the light switch 45, the fluorescent green light transmitted through the cover 44 causes the water 27 and the water wheel 1 falling from the tip of the pumping pipe 41 to fall.
5 can be illuminated to create a more fantastic atmosphere.

On the other hand, as shown in FIG.
Is operated to rotate the music box 17 in a direction away from the water wheel 15, the meshing state between the first rotating gear 37 and the third rotating gear 64 is released, and the performance of the music box 52 is stopped. . At this time, only the decorative appearance of the water wheel 15 can be enjoyed without the melody of the music box 52.

The effects exerted by the above embodiment will be described below. The music box device 11 of the embodiment includes a first rotating shaft 24.
, And a music box 52 that is assembled to the water wheel 15 and that emits sound when the comb-shaped claw 60 is flipped by the rotation of the rotary drum 55. Further, the first rotating shaft 24 of the water wheel 15 is connected to the second rotating shaft 56 of the rotating drum 55 so that the rotating force of the first rotating shaft 24 of the water wheel 15 rotates the rotating drum 55 of the music box 52. It is configured. Therefore, the decorative appearance of the water wheel 15 and the melody of the music box 52 can be enjoyed at the same time. In particular, the synergistic effect of the refreshing sensation of the flow of the water 27 and the cool melody of the music box 52 can sufficiently heal mental and physical fatigue. Further, the retro feeling of the water wheel 15 and the music box 52 is added, so that it is possible to be immersed in the old feeling.

The music box device 11 has a first rotating shaft 24 provided with a sliding ring 32 made of a copolymer polyacetal, and a bearing member 31 made of a copolymer polyacetal that rotatably supports the sliding ring 32. Are provided on both sides of the water wheel 15 so that the outer peripheral surface of the sliding ring 32 is smoothly slid on the sliding contact portion 35 of the bearing member 31. For this reason, the water wheel 15 can be smoothly rotated, and the rotation of the water wheel 15 can be reliably transmitted to the rotating drum 55.

Further, the structure of the support member 23 is very simple as compared with a conventionally used bearing, and the support member 23 is formed of a synthetic resin, so that it is easy to mold and the manufacturing cost is low. Can be reduced. In particular, it is suitable for bearing a lightweight thing such as a water wheel 15 made of synthetic resin. Further, since the copolymer-based polyacetal is a material capable of effectively reducing the sliding resistance, the copolymer-based polyacetal slides smoothly between the bearing member 31 and the sliding ring 32 to form the first rotating shaft 24. Can be effectively reduced.

The music box device 11 includes a water wheel 15
A plurality of rotating gears 37, 62, 64 are provided between the first rotating shaft 24 and the rotating shaft of the rotating drum 55, and the rotating gears 37, 62, 64 are meshed with each other, so that the first rotating shaft 24 The music box 17 is provided with an operating rod 75 for transmitting the driving force to the rotating shaft of the rotating drum 55 and for engaging and disengaging the meshing state between the first rotating gear 37 and the third rotating gear 64. Therefore, the decorative appearance of the water wheel 15 and the melody of the music box 52 can be enjoyed at the same time, and only the decorative appearance of the water wheel 15 can be enjoyed. Furthermore, this music box device 11
Since the music box 17 is configured to be able to rotate with a simple configuration, the first rotating gear 3
The meshing state between the gear 7 and the third rotary gear 64 can be easily switched.

The fluorescent lamp 43 is provided on one side of the pumping cylinder 16.
Is provided, and by surrounding the fluorescent lamp 43 with a fluorescent green cover 44, the flow of the water wheel 15 and the water 27 can be produced in a fantastic manner.
Can be further improved.

The present embodiment can be embodied with the following modifications. -A rotating disk is provided instead of the rotating drum 55. That is, the music box device 11 is configured such that the rotation of the second rotating shaft 56 of the music box 52 causes the minute projections 5 on the surface thereof.
9 is configured to be able to rotate a disk-shaped rotating disk provided with a protrusion, and a sounding body 57 having substantially the same shape as that of the above-described embodiment is provided substantially perpendicularly to the surface of the rotating disk. It is arranged. Further, the sounding body 5
The claw portion 60 provided at the distal end of the rotary disk 7 is repelled by the minute protrusion 59 of the rotating disk so as to emit sound. Further, it is preferable that the rotating disk is exchangeably mounted on the music box 52.

Even in the case of such a configuration, the decorative appearance and the melody can be enjoyed at the same time. When the rotating disk is configured to be replaceable, various melodies can be enjoyed.

As shown in FIG. 5, the support member 23 is integrally formed of a copolymer-based polyacetal, and a U-shaped notch 81 is formed from the center to the upper end thereof. A curved sliding contact portion 35 that smoothly contacts the outer peripheral surface of the sliding ring 32 is formed at the center in the width direction.

Even with such a configuration, the water wheel 15 can be smoothly rotated. A friction wheel, a belt wheel, or a chain wheel is provided instead of the first to third rotating gears 37, 62, 64, and the first rotating shaft 24
To be able to transmit the rotation of the rotation to the second rotation shaft 56.

The first rotating gear 37 and the third rotating gear 64
To be unable to release the meshing state with. With this configuration, the configuration of the music box device 11 is simplified.

A restriction hole 74 is provided in both locking plates 71 so that the music box 17 can be slid in a direction to approach and separate from the water wheel 15. With such a configuration, the meshing state between the first rotating gear 37 and the third rotating gear 64 can be easily engaged and released.

A cover member (not shown) for covering the periphery of the music box 17 is provided so as to cover the entire music box 17 excluding the tip of the operating rod 75, the second rotary gear 62 and the third rotary gear 64. thing.

With such a configuration, the appearance can be further improved. For example, the cover 44 is translucently colored with a blue, red, yellow, or other system color. Alternatively, these colors may be configured to be switchable, a stained glass configuration may be used, and the cover 44 may be omitted.

With such a configuration, it is possible to light up a desired color. A fluorescent lamp 43, a cover 44 and a light switch 4
Omit 5・ The pumping capacity of the pump should be adjustable.

In such a configuration, the tune can be changed as desired by changing the pumping amount of the water pump and adjusting the speed at which the water 27 flows. The height of the tip of the pumping cylinder 16 can be adjusted.

With this configuration, the falling speed of the water 27 hitting the blades 26 of the water wheel 15 can be adjusted, so that the rotation speed of the water wheel 15 can be changed as desired.

As shown by a two-dot chain line in FIG.
3. A circular hole 82 is formed at the upper end of 3 so that ornaments such as artificial flowers can be inserted. -The sliding ring 32 and the first rotating shaft 24 are integrally formed.

Further, the technical ideas that can be grasped from the above embodiment will be described below. (1) The music box device according to claim 2 or 3, wherein the synthetic resin is a copolymer polyacetal.

With this configuration, the rotating shaft of the water turbine can be smoothly rotated, and the reduction of the rotating speed can be effectively suppressed. (2) Further, a fluorescent lamp is provided on a side of the turbine so that the turbine can be illuminated.
The music box device according to any one of claims 1 to 3 and (1).

With this configuration, the appearance can be made more decorative.

[0046]

As described above in detail, according to the present invention, the following effects can be obtained. According to the music box device of the first aspect of the present invention, the decorative appearance and the melody can be enjoyed simultaneously.

According to the music box device of the second aspect of the invention, in addition to the effect of the first aspect of the invention, the water turbine can be rotatably supported with a simple configuration. According to the music box device of the invention described in claim 3, in addition to the effects of the invention described in claim 1 or 2, it is possible to enjoy only a decorative appearance.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a music box device according to an embodiment.

FIG. 2A is an exploded perspective view showing a rotating shaft and a bearing of the embodiment, and FIG. 2B is a sectional view showing a music box part of the embodiment.

FIG. 3 is an exemplary plan view showing the inside of the music box according to the embodiment;

FIG. 4 is a plan view showing a music box according to the embodiment.

FIG. 5 is an exploded perspective view showing a bearing other than the embodiment.

[Explanation of symbols]

Reference numeral 11: music box device, 15: water wheel, 24: first rotating shaft as a rotating shaft of the water wheel, 31 ... bearing member as a bearing, 32 ... sliding ring, 37 ... first rotating gear as a rotating gear, 52 ... music box , 55 ... rotating drum, 60 ...
A claw portion as a claw, 61 a worm gear as a rotating gear, 62 a second rotating gear as a rotating gear, 64 a third rotating gear as a rotating gear, 75 an operation rod as an operating member.

Claims (3)

[Claims] 1. A water wheel that rotates around a rotation axis and a music box that is assembled to the water wheel and emits sound when a comb-like claw is flipped by rotation of a rotating drum or a rotating disk. A music box device in which a rotating shaft is connected to a rotating shaft of a rotating drum or a rotating disk, and the rotating drum or rotating disk of the music box is rotated by a driving force of a rotating shaft of a water wheel. 2. A sliding ring made of synthetic resin is provided on a rotating shaft of said water wheel, and bearings made of synthetic resin for rotatably supporting said sliding ring are provided on both sides of said water wheel. The music box device according to claim 1, wherein a surface is configured to slide smoothly with respect to the bearing. 3. A plurality of rotating gears are provided between a rotating shaft of the water wheel and a rotating shaft of a rotating drum or a rotating disk,
By engaging these rotating gears, the driving force of the rotating shaft of the water wheel can be transmitted to the rotating shaft of the rotating drum or rotating disk, and an operating member for engaging and disengaging the meshing state of the rotating gears. The music box device according to claim 1, wherein the music box is provided in a music box.