JP2001175252A - Sound producing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sound producing device which can efficiently cancel the undesired reverberations generated by a sound producing body. SOLUTION: This sound producing device has sound producing bodies 201 and a projecting part operating means 300 having projecting parts 301 abutting on the sound producing body 201. The projecting part operating means 300 operates the projecting part 301 to pluck the sound producing body 201, by which sound is produced from the sound producing body 201. The projecting part operating means 300 is provided with a vibration stopping member 304 which stops the vibration of the sound producing body 201 by abutting on the sound producing body 201 after the projecting part 301 plucks the sound producing body 201.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a sounding body and a projection operating means having a projection abutting on the sounding body. The projection operating means operates the projection to play the sounding body. The present invention relates to a sound generating device that generates sound.

[0002]

2. Description of the Related Art Generally, a sound generating device for generating a sound includes a sounding body and a projection operating means having a projection abutting on the sounding body, and the projection operating means operates the projection to produce a sounding body. Is known to play.

As such a sound generating device, for example, there is known a music box having a comb-shaped fixed musical scale plate, and playing a melody by playing each valve portion at a predetermined timing.

As a music box, there is provided a rotary drum provided with a plurality of projecting protrusions, and a basic drum configured to play each valve portion of a fixed musical scale plate with this drum, for example, a special drum. Japanese Unexamined Patent Publication No. 9-152863,
As described in JP-A-219171, etc., there is a configuration in which each valve portion is flipped by a projection such as a projection of a star wheel or a tip of a solenoid.

[0005]

However, in the above-mentioned sound generating device, a sound is generated by vibrating a sounding body which is flipped by a projection, and a certain amount of sound is generated while the sounding body is vibrating. There is lingering sound.

[0006] In this regard, in the music box performance, it is necessary to perform each note separately, for example, like a staccato, and such reverberation may interfere with the next sound that occurs continuously. .

Accordingly, the present invention has been made in view of such a problem,
It is an object of the present invention to provide a sound generating device capable of efficiently eliminating unnecessary lingering sound generated by a sounding body.

[0008]

According to a first aspect of the present invention, there is provided a sounding body, and a projection operating means having a projection abutting on the sounding body. In the sounding device in which the sounding body generates sound by operating the unit to play the sounding body, the protrusion operating means moves together with the protrusion, and the protrusion hits the sounding body. Then, the sound generating device is provided with a vibration stopping member that stops the vibration of the sounding body by contacting the sounding body. According to such a configuration, unnecessary lingering sound generated by the sounding body is efficiently eliminated. .

That is, in such a sound generating device, a sound is generated by vibrating a sounding body that is repelled by a projection, and some lingering sound occurs while the sounding body is vibrating. Such lingering sounds may become unnecessary, for example, in the way of the next sound that occurs continuously,
In the present invention, such a disadvantage is avoided because the vibration stopping member stops the vibration of the sounding body.

Further, since the vibration stopping member moves together with the projection, it can be easily brought into contact with the sounding body.

According to a second aspect of the present invention, in the first aspect, the vibration stopping member is a sound generating device having a structure made of rubber. Is sufficiently secured, and the vibration of the sounding body can be more efficiently stopped.

According to a third aspect of the present invention, in the first or second aspect, the protrusion operating means includes a reciprocating portion for supporting the protrusion so that the protrusion can be turned upside down. When the reciprocating unit moves from one side to the other, by flipping the sounding body,
And when the reciprocating part moves from one side to the other, the sounding device is configured to pass through without sounding the sounding body,
According to such a configuration, the protrusion is easily operated, and the vibration stopping member is efficiently arranged.

According to a fourth aspect of the present invention, there is provided a sound generating apparatus according to any one of the first to third aspects, wherein the sound generating body is each valve portion of a comb-shaped fixed scale plate. According to this configuration, the sound generating device is suitably used as a music box that plays a melody by playing each valve.

[0014]

Embodiments of the present invention will be described below in detail with reference to the drawings.

As shown in FIGS. 1 to 4, the sounding device 100 of this embodiment includes a sounding body 201 and a projection operating means 300 having a projection 310 abutting on the sounding body 201. The sounding body 201 generates a sound when the sounding body 201 is played by operating the projection 301 by the 300.

The sounding body 201 of the present embodiment is each valve section of a comb-shaped fixed scale plate 200 supported on the pedestal 110 of the sounding apparatus 100. A music box that plays a melody by playing at the right time.

The projection operating means 300 includes a fixed scale 200
And the plurality of protrusion operating means 300 are provided to be supported by a support plate 310 installed at a predetermined position.

Each of the projection operating means 300 includes a motor 302 for operating the projection 301, and the valve section 2 of the fixed sound board 200.
The protrusion 301 is configured to be operated along the thickness direction 01. As the motor 302, an electromagnetic motor or an ultrasonic motor is used.

That is, the protrusion 301 is provided on a ball screw 303 screwed to the rotor of the motor 302 via a ball bearing.
When the ball screw 303 reciprocates, the valve 2
01 is played (see FIGS. 2 and 3).

Further, the protrusion operating means 300 includes the protrusion 30
1 is provided with a vibration stopping member 304 that moves together with the vibration stopping member 304.
Immediately after the protrusion 301 flips the valve portion 201, the vibration stop member 304 comes into contact with the valve portion 201 to stop the vibration. In this example, the vibration stop member 304 supports the protrusion 301 and 301 is a rubber plate-like member having a free end facing the tip direction.

The ball screw 3 of the projection operating means 300
Numeral 03 denotes a reciprocating portion which reciprocates as described above, and the protrusion 301 is provided so as to be capable of falling with respect to the ball screw 303 by pivotally supporting the base end of the ball screw 303 with a hinge. ing.

Accordingly, the protrusion 301 is
When the ball screw 303 moves from one side to the other, the valve unit 201 is flipped, and when the ball screw 303 moves from the other side to the other side, the valve unit 2 moves.
01, and returns to the initial position (see FIG. 4).

That is, when the protrusion 301 comes into contact with the valve 201 from one side, it forcibly flips the valve 201, and when it comes into contact with the other side, it falls down to the ball screw 303 side, thereby flipping the valve 201. There is no.

According to such a configuration, the melody can be played smoothly by individually controlling the motor 302 in each projection operating means 300 using a program set based on a predetermined melody. it can.

Further, according to the vibration stopping member 304, immediately after the protrusion 301 flips the valve portion 201, the vibration stopping member 304
Is brought into contact with the valve portion 201, whereby the vibration of the valve portion 201 is stopped. As a result, unnecessary lingering sounds are eliminated from the sound generated by the present sound generating device.

The projection operating means 300 of this embodiment operates the projection 301 by means of a motor 302 and a ball screw 303. Alternatively, the projection operating means 300 may be a projection such as a star wheel projection or a solenoid iron core. It may be operated.
In this case, the vibration stopping member 304 is arranged at an appropriate position in the iron core of the star wheel or the solenoid.

Although the sound generator 100 of this embodiment is a so-called music box, the structure in which the vibration stop member 304 is provided to eliminate unnecessary reverberation is such that a sounding body such as a bell or a barbell is attached to a protruding body such as a hammer. It can also be applied to a sounding device that is played by a part. In this case, playing means hitting a bell or stick.

As described above, according to the sounding device of this embodiment, the projection operating means moves together with the projection, and after the projection hits the sounding body, it comes into contact with the sounding body and vibrates the sounding body. Since the vibration stopping member for stopping the sound is provided, unnecessary lingering sound generated by the sounding body can be efficiently eliminated.

That is, in such a sound generating device, a sound is generated by vibrating a sounding body which is repelled by a projection, and some reverberation occurs while the sounding body is vibrating. Such lingering sounds may become unnecessary, for example, in the way of the next sound that occurs continuously,
In this example, since the vibration stop member stops the vibration of the sounding body, such a disadvantage can be avoided.

Since the vibration stopping member moves together with the projection, the vibration stopping member can be easily brought into contact with the sounding body.

Further, according to the sound generating device of this embodiment, since the vibration stopping member is made of rubber, the buffering property between the sound generating body and the vibration stopping member can be satisfactorily ensured, and the vibration of the sound generating body can be further reduced. Can stop well.

Further, according to the sound generating device of the present embodiment, the projection operating means includes a reciprocating unit for supporting the projection so that the projection can be turned upside down.
When the reciprocating part moves from one side to the other, the protrusion is flipped up and down with respect to the reciprocating part, so that the sounding body is played.
In addition, when the reciprocating part moves from one side to the other, it passes without sounding the sounding body, so that the protrusion can be easily operated and the vibration stopping member can be efficiently arranged.

Furthermore, according to the sounding device of the present embodiment, the sounding body is each valve portion of the comb-shaped fixed scale plate, so that the sounding device is suitable as a music box that plays a melody by playing each valve portion. Can be used.

Next, another embodiment of the present invention will be described with reference to FIGS.
It will be described based on.

As shown in FIG. 5, the sound generating device 100 of this embodiment
Is provided with a tooth alignment direction moving means 400 for moving the protrusion operating means 300 along the tooth alignment direction of the fixed scale plate 200. Note that other basic configurations are the same as those of the above-described specific example, and a description thereof will not be repeated.

That is, in the specific example described above, each valve 2
Although the protrusion operating means 300 is provided in each of the 01, each of the valve sections 201 is flipped by moving the protrusion operating means 300 by the tooth alignment direction moving means 400 in this example.

As shown in the figure, the tooth arrangement direction moving means 400 of this embodiment includes a plurality of pulleys 401 and a belt 402 mounted on these pulleys 401, and supports the protrusion operating means 300 on the belt 402. At the same time, the at least one pulley 401 is rotated forward and backward by a motor to move the protrusion operating means 300.

According to such a configuration, each of the valve portions 201 can be flipped by moving the projecting portion operating means 300 without providing each of the valve portions 201 with the projecting portion operating means 300.

As shown in FIG. 6, a plurality of units each including the protrusion operating means 300 and the tooth arrangement direction moving means 400 may be provided for one fixed scale 200. In particular, according to such a configuration, it is possible to simultaneously flip a plurality of valve portions 201.

As described above, according to the sound generator of the present embodiment, the projection operating means is provided with the tooth arrangement direction moving means for moving along the tooth arrangement direction of the fixed musical scale plate. By moving along the teeth arrangement direction, each valve portion can be flipped by the projection operating means.

[0041]

According to the first aspect of the present invention, there is provided a sounding body, and a projection operating means having a projection abutting on the sounding body, wherein the projection operating means operates the projection. In the sounding device in which the sounding body generates a sound by playing the sounding body, the protrusion operating means moves together with the protrusion, and after the protrusion hits the sounding body, the sound is generated. This is a sound generating device having a vibration stopping member for stopping vibration of the sounding body in contact with the body. According to such a structure, unnecessary lingering sound generated by the sounding body can be efficiently eliminated.

According to a second aspect of the present invention, in the first aspect, the vibration stopping member is a sound generating device having a structure made of rubber. Satisfactorily, the vibration of the sounding body can be stopped more efficiently.

According to a third aspect of the present invention, in the first or second aspect, the protrusion operating means includes a reciprocating portion for supporting the protrusion so that the protrusion can be turned upside down. When the reciprocating unit moves from one side to the other, by flipping the sounding body,
And when the reciprocating part moves from one side to the other, the sounding device is configured to pass through without sounding the sounding body,
According to such a configuration, the protrusion can be easily operated, and the vibration stopping member can be efficiently arranged.

According to a fourth aspect of the present invention, there is provided a sound generating device according to any one of the first to third aspects, wherein the sounding body is each valve portion of a comb-shaped fixed scale plate. According to such a configuration, the sounding device can be suitably used as a music box that plays a melody by playing each valve portion.

[Brief description of the drawings]

FIG. 1 is a front view showing a sound generating device according to a specific example of the present invention.

FIG. 2 is a side view showing a sounding body and a protrusion operating means according to a specific example of the present invention.

FIG. 3 is a side view showing a sounding body and a protrusion operating means according to a specific example of the present invention.

FIG. 4 is a side view showing a sounding body and protrusion operating means according to a specific example of the present invention.

FIG. 5 is a front view showing a sound generator according to a specific example of the present invention.

FIG. 6 is a front view showing a sound generating device according to a specific example of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 100 sounding device 110 pedestal 200 fixed scale plate 201 valve part (sounding body) 300 protrusion operating means 301 protrusion 302 motor 303 ball screw (reciprocating part) 304 vibration stop member 400 tooth alignment direction moving means 401 pulley 402 belt

Claims (4)

[Claims] 1. A sounding device comprising: a sounding body; and a projection operating means having a projection abutting on the sounding body, wherein the projection operating means operates the projection to play the sounding body. In the sounding device in which the body generates a sound, the protrusion operating means includes a protrusion that moves together with the protrusion and, after the protrusion has hit the sounding body, abuts on the sounding body to reduce the vibration of the sounding body. A sound generating device comprising a vibration stopping member for stopping. 2. The sound generating device according to claim 1, wherein said vibration stopping member is made of rubber. 3. The reciprocating unit includes a reciprocating unit configured to support the protruding unit so that the reciprocating unit can move up and down with respect to the reciprocating unit. 2. The sounding body is flipped when moving from one side to the other, and passes through without moving the sounding body when the reciprocating unit moves from the other side to one side.
Or the sound producing device according to 2. 4. The sound generating apparatus according to claim 1, wherein said sound generating body is each valve part of a fixed scale plate having a comb shape.