JPH08131663A - Rocking music box - Google Patents

Abstract

PURPOSE: To enable smooth rocking movement of a music box in substantially the same cycle so that sounds of the rocking music box are not disturbed. CONSTITUTION: A ceramic main body 1 in the form of a cradle contains a music box A attached to a support plate 2. The music box A comprises a rotating member 3 to be rotated by a spring drive source and a spring engagement part 10 fixed by caulking in the rotating member 3 at an off-center position. An L-shaped fitting 4 is fixed to the back surface of the support plate 2 below the rotating member 3. A driving piece 5 is turnably supported on the L-shape fitting 4. The driving piece 5 comprises a flat board 5b which opposes the ground and a spring engagement part 5a. A spread spring 6 is spread and located between the spring engagement part 5a and the spring engagement part 10. The spring engagement part 5a of the driving piece 5 is located below a rotational center of the rotating member 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rocking orgol device for rocking a main body having an arcuate ground contact portion by a full drive source of an orgol.

[0002]

2. Description of the Related Art Conventionally, there is a rocking orgol device for rocking a main body by a driving source of an allgol. This swinging music box
As shown in FIG. 10, the ball device has a circular arc-shaped grounding portion 1f on the lower surface of the main body 1 ″, and the convex portion 9a of the cam 9 rotated by the music box A.
When the push plate 23 whose one end is rotatably supported by the main body 1 ″ is pushed down, one side of the main body is lifted and tilted, and when the concave portion 9b of the cam 9 comes to the push plate 23 position, one side of the main body is Although tilted in the opposite direction, when the next convex portion 9a of the cam 9 hits the push plate 23, the tilt in the opposite direction is blocked and the push plate 23 is pushed down by the convex portion 9a of the cam 9 to lift the main body 1 ″. Becomes Therefore, the swinging motion of the main body 1 ″ is tilted in the positive direction by the full drive source of the music box A, and the main body 1 ″ is tilted in the reverse return direction.
There is a case where the whole body is tilted in the positive direction while it is tilted in the opposite direction due to its own weight, and a case where it is tilted in the positive direction due to its own weight. It may give an uncomfortable feeling to the movement. In addition, since the full dance driving source of the Arugol A is tilted only in the positive direction, a load is applied to the full dance driving source at this time, which causes a defect that the sound is disturbed when the load is applied and when the load is not applied. is there. Further, since the convex portion 9a of the cam 9 is configured to push down the push plate 23 whose one end is rotatably supported by the main body 1 ″, when the infant applies a force in the direction opposite to the swing direction, There is a danger that the cam will rotate in the reverse direction and the diaphragm will be damaged.

[0003]

The problem to be solved is that the swinging motion is uncomfortable due to the different swinging period, and the sound is disturbed. An object of the present invention is that the swing cycle is substantially constant and the swing operation does not feel uncomfortable,
The object is to propose a rocking orgol device in which the timbre is not disturbed.

[0004]

SUMMARY OF THE INVENTION According to the present invention, an arcuate ground contact portion is provided on a main body, a spring engaging portion is provided at an eccentric position of a rotating body which is rotated by an oval provided on the main body, and the main body is rotatable about the main body. A driving piece that supports and has a flat plate portion facing the ground plane and a spring engaging portion, and an expansion spring provided between both spring engaging portions,
The gist is that the spring engaging portion of the drive piece is positioned below the center of rotation of the rotating body.

[0005]

When the main body 1 is placed on a table or the like, the arc-shaped grounding portion 1b is placed on the table or the like, the music A is sounded, and the ground surface of the drive piece 5 The main body 1 is swung by the swinging of the flat plate portions 5b facing each other. In this swinging motion, the left and right swinging motions are tilted by the total dance drive source of the music box A.

[0006]

The present invention will be described below with reference to the illustrated embodiments. FIG. 1 is an external perspective view of the rocking oval device, FIG. 2 is a cross-sectional plan view of the rocking oval device, FIG. 3 is a bottom view of the rocking oval device, and an enlarged bottom view of essential parts. A sectional side view of the swinging rocker device and an enlarged sectional side view of an essential part, and FIG. 5 is a swinging rocker device.
6 is a sectional front view of the main device and an enlarged sectional front view of a main part, FIG. 6 is a sectional front view of the main body tilted to the left, FIG. 7 is a sectional front view of the main body tilted to the right, and FIG. It is a cross-sectional operation front view which inclined.

As shown in FIG. 1 to FIG. 5, the swing orgol device has a body 1 imitating a cradle made of pottery or the like, and an orgol A attached to a support plate 2 is housed in the body 1. There is. A spring engaging portion 10 is caulked and fixed at an eccentric position of a rotating body 3 which is rotated by a full drive source of the music box A. An L-shaped metal fitting 4 is fixed to the back surface of the support plate 2 below the rotating body 3, and a drive piece 5 is rotatably supported by the L-shaped metal fitting 4. A spring engagement portion 5a is formed on the drive piece 5, and an expansion spring 6 is stretched between the drive piece 5 and the spring engagement portion 10. The spring engaging portion 5a of the drive piece 5 is arranged below the center of rotation of the rotating body 3.

The main body 1 is formed so that its upper appearance imitates a cradle, and projecting portions 1a, 1a are formed downward on both sides in the longitudinal direction. The bottom surface of the protrusions 1a and 1a has an arc-shaped grounding portion 1b.
Are formed. The inside of the main body 1 is formed in a concave portion 1c, and a step portion 1d is formed at the edge of the lower opening. The support plate 2 is applied to the step portion 1d from below and is fixed by an adhesive or the like.
You may fix with another locking structure. A notch 2a is formed on one side of the support plate 2, and the frame 7 of the music box A is fixed to the support plate 2 with a plurality of screws 11. The L-shaped metal fitting 4 is fixed with one screw 11.

In the music box A, the barrel 12 is fixed on the frame 7 and one end of all dances (not shown) in the barrel 12 has the barrel 12.
In addition, the other end of the whole dance is locked to the whole dance winding shaft 13, respectively.
Bearings fixed to the side wall of the barrel 12 and the protruding bank 7a of the frame 7.
A drum shaft, to which a rotary drum 15 is fixed, is rotatably supported by 14, and a gear 8a integral with the gear 8 is meshed with a gear which is non-rotatably fitted to the whole winding shaft 13 in the barrel 12. Spur gear of gear 8
One end of the rotary drum 15 is fixed to the side portion of 8b, and a reduction gear train (not shown) is provided between the spur gear 8b and the speed control unit 16. It is sped up and rotated. A diaphragm 17 is fixed on the frame 7 with screws 18. The vibrating plate 17 is repelled by a plurality of engaging pins 19 planted in the rotating drum 15 to make the music sound. A winding key 20 is screwed onto the entire winding upper shaft 13 protruding from the lower side of the frame 7 and penetrating the through hole 2b of the support plate 2.

The rotating body 3 is formed in a disk shape, and a shaft cylinder portion 21 is caulked and fixed to the center thereof, and a drum shaft having a rotating drum 15 fixed to the shaft cylinder portion 21 is screwed and fixed. The spring engaging portion 10 is crimped and fixed at an eccentric position of the rotating body 3. The L-shaped metal fitting 4 is formed of a fixed portion 4a, a hook portion 4b that is positioned so as to bite into the support plate 2, and a support portion 4c bent into an L shape. The driving piece 5 is formed by a flat plate portion 5b facing the ground plane, an L-shaped support portion 5c rotatably supported by the support portion 4c by the pin shaft 22, and a flat plate portion 5b. It is formed with the spring engaging portion 5a. One end 6a of the expansion spring 6 is rounded and locked to the spring engaging portion 10, and the other end 6b is formed with a step portion so that the step portion can be inserted into the through hole of the spring engaging portion 5a. There is. A ring portion 6c is formed in the middle of the expansion spring 6.

As for the operation of the swinging rocker device, the winding key 20 of the rocker A is rotated to wind up the whole dance. When the whole dance is gradually unwound by the speed control unit 16, the rotary drum 15 is rotated and the vibration pin 17 is flipped by the engagement pin 19 to the music box A.
Is played. When the rotating drum 15 is rotated, the rotating body 3
Are integrally rotated to rotate the spring engaging portion 10 at the eccentric position. This rotation causes the expansion spring 6 to move up and down as shown in FIGS. When the expansion spring 6 is moved up and down, the flat plate portion 5b facing the ground surface of the drive piece 5 is swung as shown in FIGS. The left and right swing angles can be made uniform by the length of the expansion spring 6. When the ring portion 6c is formed in the middle of the expansion spring 6, even if the infant applies a force in the direction opposite to the swinging direction, the ring portion 6c is formed.
The accident that the diaphragm is damaged by absorbing the overload at 6c is prevented.

In the above operation, when the main body 1 is placed on a table or the like, the arc-shaped grounding portion 1b is placed on the table or the like,
The main body 1 is swung by the swinging of the flat plate portion 5b facing the ground surface of the driving piece 5 while the music A is played. In this swinging motion, since the left and right swinging motions are tilted by the all dance drive source of the music box A, the swinging period is substantially constant and the swinging motion does not feel uncomfortable. Since the load applied is substantially constant, the sounding sound is not disturbed, and the sounding sound and swinging are disturbed, and the taste is improved.

When the swinging music box device is constructed as described above, when the main body 1 is placed on a table or the like, the arc-shaped grounding portion 1b is placed on the table or the like, and the music box is formed. The main body 1 is swung by the swinging of the flat plate portion 5b facing the grounding surface of the driving piece 5 while the ring A is sounded, and the left and right swinging movements are tilted by the all dance driving source of the music box A. Since the rocking cycle is substantially constant, the rocking motion does not feel uncomfortable, and the load applied to the whole dance drive source is substantially constant, so the sounding sound is not disturbed, and the sounding and shaking are smooth. At the very least, the taste is improved.

FIG. 9 is a modification of the main body, and FIG. 9 is an external perspective view of the swing orgol device.

The main body 1'is formed by imitating a wooden horse made of pottery or the like. An arc-shaped grounding part on the bottom of the main body 1 '
1e is formed. The swing mechanism such as the music box housed in the main body 1'and the driving piece 5 is substantially the same as that of the above embodiment.

In the above description, the main bodies 1 and 1'are made of pottery or the like, but they may be made of other materials such as wood or synthetic resin. The body may have other shapes such as a rocking chair. The expansion spring 6 may be formed of other materials and shapes capable of absorbing overload.

[0017]

According to the present invention constructed as described above, when the main body is placed on a table or the like, the arcuate ground contact portion is placed on the table or the like, and the music sound is generated. The main body is rocked by the rocking of the flat plate portion facing the ground plane of the driving piece and the left and right rocking motions are tilted by the all-going drive source of the music box. It is almost constant and does not give a feeling of strangeness to the swing motion, and the load applied to the whole dance drive source is substantially constant, so the sounding sound is not disturbed, the sounding sound and rocking are pleasant and the taste is improved. It is possible to provide a rocking orgol device having the above effect.

[Brief description of drawings]

FIG. 1 is an external perspective view of a swing orgol device.

FIG. 2 is a cross-sectional plan view of a swing orgol device.

FIG. 3 is a bottom view of the swinging rocker device and an enlarged bottom view of a main part.

FIG. 4 is a cross-sectional side view of a swinging rocker device and an enlarged cross-sectional side view of essential parts.

5A and 5B are a sectional front view and an enlarged sectional front view of a main part of a swinging rocker device.

FIG. 6 is a sectional operation front view in which the main body is tilted to the left.

FIG. 7 is a sectional operation front view in which the main body is largely tilted to the right.

FIG. 8 is a sectional operation front view in which the main body is tilted to the right.

FIG. 9 is a perspective view of an outer appearance of a swing orgol device, which is a modification of the main body.

FIG. 10 is an external perspective view in which a part of the main body of the conventional swing orgol device is broken.

[Explanation of symbols]

 1, 1'Main body 1b, 1e Arc-shaped grounding part 3 Rotating body 5 Driving piece 5a, 10 Spring engaging part 5b Flat plate part 6 Expanding spring A Orgol

Claims (1)

[Claims] 1. An arc-shaped grounding portion on a main body, a spring engaging portion at an eccentric position of a rotating body which is rotated by an owl provided on the main body, and a rotatably supported by the main body, facing the grounding surface. The spring engagement portion of the drive piece is located below the center of rotation of the rotating body, which is composed of a drive piece having a flat plate portion and a spring engagement portion and an expansion spring provided between the spring engagement portions. A swinging rocker device characterized by.