CN215265541U - Music box capable of composing music - Google Patents

Abstract

The utility model discloses a music box capable of weaving music, which comprises a bottom plate and a sound board, wherein the sound board is fixed on the bottom plate, the sound board comprises a plurality of reeds which are distributed at intervals side by side and have different qualities, the music box capable of weaving music also comprises a support frame and a plurality of plectrums, the support frame is fixed on the bottom plate, the plurality of plectrums are arranged in the support frame at intervals side by side, and a driving mechanism for driving the plectrums to touch the corresponding reeds is also arranged in the support frame; the advantage is that the preparation degree of difficulty is lower, and realizes the purpose of adjustment song, and then plays more songs, and the broadcast time also obtains the extension.

Description

Music box capable of composing music

Technical Field

The utility model relates to a music box especially relates to a music box that can compile song.

Background

The music box is a mechanical pronunciation musical instrument, can automatically play music, and is popular among people. Traditional music box mainly comprises clockwork spring, cylinder and reed, and the reed is cut into the steel pectination rack that the aequilate and differ in size, and the surface of cylinder is provided with a plurality of archs of compiling according to the music chapter, and its main theory of operation is: when the spiral spring is screwed, the spiral spring drives the roller with the surface provided with the protrusions to rotate, and when the reed passes through the protrusions which are compiled according to the music medals, the protrusions stir the reed, so that the reed vibrates according to the set vibration frequency to make a set sound.

The clockwork spring and the reed of the music box are simple to manufacture, but the convex arrangement combination (namely the music score) on the roller generally needs to be manufactured by welding a fine iron core on the roller by a professional handcraftsman, the difficulty is high, the trouble is high, and the music box is difficult to disassemble once the welding is completed, so that the music box is not changeable and single, the working period is limited due to the limitation of the diameter of the roller, and the playing time of the music box is influenced.

Disclosure of Invention

In order to solve the deficiencies existing in the prior art, the utility model provides a can compile music's music box, its preparation degree of difficulty is lower, and realizes adjusting the purpose of song, and then plays more songs, and the broadcast time also obtains the extension.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a can compile bent music box, includes bottom plate and soundboard, the soundboard fix the bottom plate on, just the soundboard include a plurality of reeds that distribute side by side interval and the quality is different, the music box that can compile bent still include support frame and a plurality of plectrum, the support frame fix the bottom plate on, a plurality of the plectrum side by side interval set up the support frame in, the support frame in still be provided with and be used for the drive the plectrum touch correspond the actuating mechanism of reed.

The support frame in be fixed with a transversely distributed fixed axle, a plurality of plectrum rotatable coupling respectively in the fixed axle on, and every one end of plectrum have the portion of plucking that is the triangle-shaped structure, every one end of reed be provided with the touching portion that is the triangle-shaped structure, work as actuating mechanism drive the plectrum center on the fixed axle rotate, the portion of plucking with touching portion contact. In this structure, plectrum rotatable coupling is on the fixed axle, and actuating mechanism is used for driving the plectrum and rotates around the fixed axle, and the distance of plectrum foremost and fixed axle is less than the distance of plectrum rearmost and fixed axle, does benefit to the lever principle like this, only needs very little power just can drive the plectrum choose the portion and contact with the touching portion of reed, makes the reed vibration sound production, and wherein, chooses the portion and touches the portion and be the triangle-shaped structure, does benefit to the inclined plane between the two like this, does benefit to and chooses the displacement from top to bottom of the portion.

The driving mechanism comprises a first guide wheel, a second guide wheel, an adhesive tape, a permanent magnet and a mounting column, wherein a plurality of cavities for accommodating the poking sheet are formed in the supporting frame, the cavities are mutually independent, the first guide wheel and the second guide wheel are respectively rotatably arranged in the cavities, the first guide wheel and the second guide wheel are vertically distributed, the adhesive tape is wound between the first guide wheel and the second guide wheel, the other end of the poking sheet is fixed with the adhesive tape, the mounting column is vertically communicated and vertically connected in the supporting frame, the electromagnetic coil is further arranged in the mounting column, the permanent magnet is located in the mounting column and is coaxially distributed with the mounting column, and the permanent magnet is further fixed with the adhesive tape. In the structure, each plectrum is positioned in an independent cavity, the width of the cavity is 0.1-0.2mm larger than the thickness of the plectrum, so that the plectrum can be prevented from left-right deviation, a better limiting effect is achieved, an adhesive tape is wound between a first guide wheel and a second guide wheel, a first through hole which is vertically distributed is formed in the rear part of the plectrum, a second through hole which is vertically distributed is formed in a permanent magnet, the adhesive tape is penetrated in the first through hole and the second through hole and is fixed with the plectrum and the permanent magnet, the plectrum and the permanent magnet are respectively positioned on two sides of the first guide wheel, when the permanent magnet moves upwards, the adhesive tape is driven to rotate anticlockwise, the tail part of the plectrum moves downwards, the picking part moves upwards, the touching part is picked to make a reed sound, when the permanent magnet moves downwards, the adhesive tape is driven to rotate clockwise, the tail part of the plectrum moves upwards, the picking part moves downwards, the touching part is picked again, the reed is enabled to sound, the operation is repeated, the lifting of the permanent magnet generates a magnetic field through the electromagnetic principle, the magnetic field is generated after the two ends of the electromagnetic coil are electrified, the principle that like poles repel each other and special-shaped attract each other is facilitated, the permanent magnet can vertically move in the mounting column, and after the current direction is changed, the permanent magnet can move in the reverse direction, so that the lifting movement of the permanent magnet is realized.

And a bearing is respectively fixed in each shifting piece, and the inner ring of the bearing is coaxially fixed with the fixed shaft. The advantage lies in can smoothly driving the plectrum and rotate around the fixed axle.

The picking part is provided with a first inclined surface and a second inclined surface, the first inclined surface is connected with the second inclined surface through a first arc surface, and the included angles between the first inclined surface and the horizontal plane and the included angles between the second inclined surface and the horizontal plane are both 15-30 degrees. In the structure, the first inclined plane and the second inclined plane are in transitional connection through the first arc surface, on one hand, the first inclined plane and the second inclined plane are in contact with the touch part, on the other hand, the first inclined plane and the second inclined plane can smoothly slide after being contacted, and the included angle range between the first inclined plane and the horizontal plane and the included angle range between the second inclined plane and the horizontal plane are 15-30 degrees, so that the separation between the picking part and the touch part is smooth, and the abrasion is small.

The bottom plate on be fixed with the resonance box, the resonance box have one about link up the resonance chamber, the soundboard still include with the integrative connection piece of making of reed, the connection piece level fix the upper surface of resonance box, and with resonance box direct contact, the reed stretch out outside the resonance box. In this structure, the resonator is made by the metal material, and with connection piece direct contact, can amplify the sound of reed to doing benefit to resonant principle like this, and the reed is convenient for stir the reed outside the resonator is stretched out to the reed.

The width of the touch part is smaller than that of the reed, the touch part is provided with a third inclined surface and a fourth inclined surface, the third inclined surface is connected with the fourth inclined surface through a second arc surface, and the included angles between the third inclined surface and the horizontal plane and the included angles between the fourth inclined surface and the horizontal plane are both 2-8 degrees. In this structure, the width of touching portion is less than the width of reed, and equals with the thickness of choosing the portion of dialling, is convenient for like this with choose the portion of dialling and carry out accurate butt joint, through second arc surface transitional coupling between third inclined plane and the fourth inclined plane, do benefit to on the one hand and contact with choosing the portion of dialling, on the other hand can carry out smooth landing after the contact, the third inclined plane and the fourth inclined plane are between 2-8 with the contained angle scope of horizontal plane for the separation of choosing portion and touching portion is comparatively smooth and easy, and wearing and tearing are less.

The width of each reed is equal, sound adjusting holes with the same specification are formed in each reed, and the distance between every two adjacent reeds is equal. In the structure, the width of each reed is equal to the distance between adjacent reeds, processing and manufacturing are facilitated, the tone adjusting holes in each reed are also consistent, and the manufacturing process is greatly reduced.

The lengths of the reeds are sequentially increased from left to right. In this structure, because the width of every reed equals, and length increases progressively from the left hand right side in proper order, realize the quality of every reed from this and differ, can send different sound, compare the tradition and adopt the mode that increases thickness, this structure realizes more easily, and processing also comparatively saves trouble.

The periphery of the bottom plate is provided with adjustable foot pads. In the structure, the height of the bottom plate can be adjusted conveniently by arranging the adjustable foot pads.

Compared with the prior art, the utility model has the advantages of: a plurality of plectrums and a plurality of reed one-to-one, actuating mechanism's setting then is used for driving the plectrum touching and corresponds the reed, compares traditional processing and has bellied cylinder, makes degree of difficulty greatly reduced to every reed can independently sound production, and the song that can play can be adjusted at will, and the broadcast time also obtains the extension.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the driving mechanism of the present invention when it is engaged with the spring plate;

fig. 4 is a partially enlarged schematic view of a portion a of fig. 3 according to the present invention;

fig. 5 is a schematic perspective view of the soundboard of the present invention;

fig. 6 is a partially enlarged schematic view of fig. 5B according to the present invention;

fig. 7 is a side view of the middle pulling plate of the present invention;

fig. 8 is a schematic perspective view of the driving mechanism of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples, but the present invention is not limited thereto.

The first embodiment is as follows: as shown in the figure, the music box capable of being knitted comprises a base plate 1 and a sound board 2, wherein the sound board 2 is fixed on the base plate 1, the sound board 2 comprises a plurality of reeds 21 which are distributed at intervals side by side and have different qualities, the music box capable of being knitted further comprises a support frame 3 and a plurality of plectrums 4, the support frame 3 is fixed on the base plate 1, the plurality of plectrums 4 are arranged in the support frame 3 at intervals side by side, and a driving mechanism 5 used for driving the plectrums 4 to touch the corresponding reeds 21 is further arranged in the support frame 3.

Example two: as shown in the figures, the other structure is the same as the first embodiment, except that a fixed shaft 32 is fixed in the supporting frame 3, the plurality of shifting pieces 4 are respectively rotatably connected to the fixed shaft 32, one end of each shifting piece 4 has a picking part 41 with a triangular structure, one end of each spring 21 is provided with a touching part 22 with a triangular structure, and when the driving mechanism 5 drives the shifting piece 4 to rotate around the fixed shaft 32, the picking part 41 is in contact with the touching part 22. In this structure, plectrum 4 rotatable coupling is on fixed axle 32, actuating mechanism 5 is used for driving plectrum 4 and rotates around fixed axle 32, plectrum 4 foremost is less than plectrum 4 rearmost and fixed axle 32's distance with fixed axle 32's distance, do benefit to the lever principle like this, only need very little power just can drive plectrum 4 choose portion 41 and reed 21's touching portion 22 contact, make reed 21 vibration sound production, wherein, choose portion 41 and touching portion 22 to be the triangle-shaped structure, do benefit to the inclined plane between the two like this, do benefit to and choose portion 41 upper and lower displacement.

Actuating mechanism 5 includes first guide pulley 51, second guide pulley 52, sticky tape 53, permanent magnet 54 and erection column 55, it is used for holding the cavity 31 of plectrum 4 to open a plurality of in the support frame 3, a plurality of cavities 31 are independent each other, first guide pulley 51 and second guide pulley 52 are rotatable to be set up respectively in cavity 31, and first guide pulley 51 and second guide pulley 52 distribute from top to bottom, sticky tape 53 is around establishing between first guide pulley 51 and second guide pulley 52, the other end and the sticky tape 53 of plectrum 4 are fixed mutually, erection column 55 link up the setting from top to bottom, and vertical connection is in support frame 3, still be provided with solenoid in erection column 55, permanent magnet 54 is located erection column 55, and with the coaxial distribution of erection column 55, permanent magnet 54 still is fixed mutually with sticky tape 53. In the structure, each poking sheet 4 is positioned in an independent cavity 31, the width of the cavity 31 is 0.1-0.2mm larger than the thickness of the poking sheet 4, so that the left and right deviation of the poking sheet 4 can be prevented, a better limiting effect is achieved, an adhesive tape 53 is wound between a first guide wheel 51 and a second guide wheel 52, a first through hole which is vertically distributed is formed in the rear part of the poking sheet 4, a second through hole which is vertically distributed is formed in a permanent magnet 54, the adhesive tape 53 is arranged in the first through hole and the second through hole in a penetrating mode and fixed with the poking sheet 4 and the permanent magnet, the poking sheet 4 and the permanent magnet 54 are respectively positioned on two sides of the first guide wheel 51, when the permanent magnet 54 moves upwards, the adhesive tape 53 is driven to rotate anticlockwise, the tail part of the poking sheet 4 moves downwards, the picking part 41 moves upwards, the touching part 22 is picked to enable the reed 21 to sound, and when the permanent magnet 54 moves downwards, the adhesive tape 53 is driven to rotate clockwise, the tail part of the poking sheet 4 moves upwards, the lifting part 41 moves downwards, the touch part 22 is lifted again, the reed 21 sounds, the operation is repeated, the permanent magnet 54 is lifted and descended through an electromagnetic principle, a magnetic field is generated after the two ends of the electromagnetic coil are electrified, the principle that like poles repel each other and special-shaped poles attract each other is facilitated, the permanent magnet 54 can vertically move in the mounting column 55, the current direction is changed, and the permanent magnet can move in the reverse direction, so that the lifting movement of the permanent magnet 54 is realized.

The bottom plate 1 is further fixed with a control circuit board 6, a driving plate 7 is fixed in the supporting frame 3, a plurality of latches of 74LS373 are mounted on the driving plate 7, the mounting columns 55 are fixed on the driving plate 7, the positive end and the negative end of each electromagnetic coil are electrically connected with the output end of each latch, one latch can control four electromagnetic coils, a 51-series single chip microcomputer is mounted on the control circuit board and electrically connected with the input ends of the latches, and therefore the positive and the negative of each electromagnetic coil are controlled by the single chip microcomputer, and the realization is easy.

A bearing 42 is fixed in each shifting piece 4, and the inner ring of the bearing 42 is coaxially fixed with the fixed shaft 32. The advantage is that the plectrum 4 can be smoothly driven to rotate around the fixed shaft 32.

Example three: as shown in the figures, the other structure is the same as the embodiment, but the difference is that the picking part 41 has a first inclined surface 43 and a second inclined surface 44, the first inclined surface 43 and the second inclined surface 44 are connected by a first arc surface 45, and the included angles between the first inclined surface 43 and the second inclined surface 44 and the horizontal plane are both 15-30 degrees. In the structure, the first inclined surface 43 and the second inclined surface 44 are in transitional connection through the first arc surface 5, on one hand, the first inclined surface is in contact with the touch part 22, on the other hand, the first inclined surface 43 and the second inclined surface 44 can smoothly slide off after contact, and the included angle range between the first inclined surface 43 and the horizontal plane and the included angle range between the second inclined surface 44 and the horizontal plane are both 15-30 degrees, so that the separation between the picking part 41 and the touch part 22 is smooth, and the abrasion is small.

The bottom plate 1 is fixed with a resonance box 11, the resonance box 11 is provided with a resonance cavity 12 which is communicated with the left and the right, the soundboard 2 further comprises a connecting piece 23 which is integrally made with a reed 21, the connecting piece 23 is horizontally fixed on the upper surface of the resonance box 11 and is directly contacted with the resonance box 11, and the reed 21 extends out of the resonance box 11. In this structure, the resonance box 11 is made by the metal material, and with connection piece 23 direct contact, can amplify the sound of reed 21 to doing benefit to resonant principle like this, and the reed 21 is convenient for stir reed 21 like this outside stretching out the resonance box 11.

The width of the touch part 22 is smaller than that of the reed 21, the touch part 22 is provided with a third inclined surface 24 and a fourth inclined surface 25, the third inclined surface 24 is connected with the fourth inclined surface 25 through a second arc surface 26, and the included angles between the third inclined surface 24 and the fourth inclined surface 25 and the horizontal plane are both 2-8 degrees. In this structure, the width of touching portion 22 is less than the width of reed 21, and equals with the thickness of picking portion 41, is convenient for carry out accurate butt joint with picking portion 41 like this, through second arc surface 26 transitional coupling between third inclined plane 24 and the fourth inclined plane 25, do benefit to on the one hand and pick portion 41 and contact, on the other hand can carry out smooth landing after the contact, the contained angle scope of third inclined plane 24 and fourth inclined plane 25 and horizontal plane is between 2-8 for it is comparatively smooth to pick the separation of portion 41 and touching portion 22, and wearing and tearing are less.

The width of each reed 21 is equal, the sound adjusting holes 27 with the same specification are formed in each reed 21, and the distances between the adjacent reeds 21 are equal. In the structure, the width of the reed 21 is equal to the distance between adjacent reeds, so that the processing and manufacturing are facilitated, and the sound adjusting holes 27 on each reed 21 are also consistent, so that the manufacturing process is greatly reduced.

The length of the reed 21 increases from left to right. In this structure, because the width of every reed 21 equals, and length increases progressively from the left hand right side in proper order, realize that the quality of every reed 21 differs from this, can send different sound, the tradition adopts the mode that increases thickness compared, this structure realizes more easily, and processing also comparatively saves trouble.

The periphery of the bottom plate 1 is provided with adjustable foot pads 13. In this structure, the adjustable foot pads 13 are arranged to facilitate the adjustment of the height of the bottom plate 1.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and the present invention can also be modified in materials and structures, or replaced by technical equivalents. Therefore, all structural equivalents which may be made by applying the present invention to the specification and drawings, or by applying them directly or indirectly to other related technical fields, are intended to be encompassed by the present invention.

Claims (10)

1. The utility model provides a can compile musical box of song, includes bottom plate and soundboard, the soundboard fix the bottom plate on, just the soundboard include a plurality of reeds that side by side interval distribution and quality are different, its characterized in that: the music box capable of being knitted comprises a support frame and a plurality of shifting pieces, wherein the support frame is fixed on the bottom plate, the shifting pieces are arranged in the support frame side by side at intervals, and a driving mechanism used for driving the shifting pieces to touch and correspond to the reed is further arranged in the support frame.

2. A composable music box according to claim 1, wherein: the support frame in be fixed with a transversely distributed fixed axle, a plurality of plectrum rotatable coupling respectively in the fixed axle on, and every one end of plectrum have the portion of plucking that is the triangle-shaped structure, every one end of reed be provided with the touching portion that is the triangle-shaped structure, work as actuating mechanism drive the plectrum center on the fixed axle rotate, the portion of plucking with touching portion contact.

3. A composable music box according to claim 2, wherein: the driving mechanism comprises a first guide wheel, a second guide wheel, an adhesive tape, a permanent magnet and a mounting column, wherein a plurality of cavities for accommodating the poking sheet are formed in the supporting frame, the cavities are mutually independent, the first guide wheel and the second guide wheel are respectively rotatably arranged in the cavities, the first guide wheel and the second guide wheel are vertically distributed, the adhesive tape is wound between the first guide wheel and the second guide wheel, the other end of the poking sheet is fixed with the adhesive tape, the mounting column is vertically communicated and vertically connected in the supporting frame, the electromagnetic coil is further arranged in the mounting column, the permanent magnet is located in the mounting column and is coaxially distributed with the mounting column, and the permanent magnet is further fixed with the adhesive tape.

4. A composable music box according to claim 2, wherein: and a bearing is respectively fixed in each shifting piece, and the inner ring of the bearing is coaxially fixed with the fixed shaft.

5. A composable music box according to claim 2, wherein: the picking part is provided with a first inclined surface and a second inclined surface, the first inclined surface is connected with the second inclined surface through a first arc surface, and the included angles between the first inclined surface and the horizontal plane and the included angles between the second inclined surface and the horizontal plane are both 15-30 degrees.

6. A composable music box according to claim 2, wherein: the bottom plate on be fixed with the resonance box, the resonance box have one about link up the resonance chamber, the soundboard still include with the integrative connection piece of making of reed, the connection piece level fix the upper surface of resonance box, and with resonance box direct contact, the reed stretch out outside the resonance box.

7. A composable music box according to claim 6, wherein: the width of the touch part is smaller than that of the reed, the touch part is provided with a third inclined surface and a fourth inclined surface, the third inclined surface is connected with the fourth inclined surface through a second arc surface, and the included angles between the third inclined surface and the horizontal plane and the included angles between the fourth inclined surface and the horizontal plane are both 2-8 degrees.

8. A composable music box according to claim 1, wherein: the width of each reed is equal, sound adjusting holes with the same specification are formed in each reed, and the distance between every two adjacent reeds is equal.

9. A composable music box according to claim 8, wherein: the lengths of the reeds are sequentially increased from left to right.

10. A composable music box according to claim 1, wherein: the periphery of the bottom plate is provided with adjustable foot pads.

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