CN215895242U - Mechanical metronome - Google Patents

Abstract

The utility model discloses a mechanical metronome, which comprises an outer shell, a core component and a tuning device, wherein the outer shell is provided with a cavity; the movement assembly is used for generating beat vibration which is generated in the cavity of the outer shell; the tuning device is used for transmitting the beat vibrations that produce in the cavity of shell body to the shell body to reach the effect that can adjust the beat volume, satisfy user's demand.

Description

Mechanical metronome

Technical Field

The utility model relates to the technical field of musical instruments, in particular to a mechanical metronome.

Background

The metronome is a mechanical, electric or electronic device capable of giving out a stable rhythm at various speeds, and is usually used by beginners and singers, and has the functions of helping musicians and singers to stabilize the rhythm, cultivating good and stable pleasure and better mastering the rhythm. The mechanical metronome is made according to the pendulum principle, a gear and a clockwork spring are arranged in the metronome to drive the pendulum rod to swing, sharp 'dripping' sounds are emitted when each swing of the pendulum rod is finished, the speed of the dripping sounds can be adjusted according to a pendulum bob which can be vertically adjusted and is opposite to the scales on the panel, and the speed of the pendulum bob is 40-208 beats per minute. However, the existing mechanical metronome is not reasonable in structural design, so that it cannot meet the increasing demands of users.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a mechanical metronome which can adjust the volume of beats and meet the requirements of users.

The purpose of the utility model is realized by adopting the following technical scheme:

a mechanical metronome, comprising:

the outer shell is provided with a cavity;

the movement assembly is used for generating beat vibration in the cavity;

and the tuning device is used for transmitting beat vibration generated in the cavity to the outer shell.

Further, the tuning device is including the cam subassembly, the cam subassembly is rotatable set up in on the shell body and be located the cavity to make its part contact that can produce the beat vibrations with the core assembly and transmit the beat vibrations that produce to the shell body.

Further, the part of the movement assembly generating beat vibration is in contact with the cam assembly through the movement limiting piece.

Furthermore, the tuning device also comprises an adjusting component, and the adjusting component is connected with the cam component (30) and is positioned outside the shell body so as to drive the cam component to rotate.

Further, the tuning device also comprises a gear sensing adjusting device, and the gear sensing adjusting device is used for enabling the cam component to rotate so as to have gear sensing.

Furthermore, the gear sensing adjusting device comprises a first meshing surface and a second meshing surface, the first meshing surface is arranged on the cam assembly, and the second meshing surface is arranged on the inner wall of the outer shell and meshed and connected with the first meshing surface, so that the cam assembly has gear sensing when rotating to contact with a component which generates beat vibration with the movement assembly.

Further, the cam assembly is also movably disposed on the outer housing such that the cam assembly can move in the direction of the axis of rotation thereof.

Further, the tuning device also comprises a resetting device, and the resetting device is used for resetting the cam component after the cam component moves.

Further, the cam subassembly includes dwang and cam, the dwang passes through the rotatable and movably of fixing base and locates on the shell body, the cam is located on the dwang, be used for with the part contact that the movement subassembly produced the beat vibrations.

Furthermore, the utility model also comprises a damping device, and the damping device is used for damping the movement assembly.

Compared with the prior art, the utility model has the beneficial effects that:

in the use, the core subassembly produces the beat vibrations in the cavity, and when the beat temperament that the metronome sent was less, the accessible tuning device transmits the beat vibrations that produce in the cavity to the shell body for the beat vibrations are passed through shell and its cavity vibrations and are enlargied the beat volume, in order to reach the effect of adjusting the beat volume.

Drawings

FIG. 1 is a schematic structural diagram of a mechanical metronome of the present invention in a high-volume state;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 is a schematic structural diagram of the mechanical metronome of the present invention in a low-beat volume state;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

FIG. 6 is a bottom view of FIG. 4;

fig. 7 is a schematic perspective view of a tuning device according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a housing according to an embodiment of the present invention.

In the figure: 1. an outer housing; 10. a cavity; 2. a movement assembly; 20. a main drive gear; 21. a driven gear shaft; 210. a ratchet wheel; 23. a detent wheel; 24. a pendulum shaft; 240. a swing rod; 25. a connecting member; 26. a movement limiting sheet; 3. a tuning device; 30. a cam assembly; 300. a cam; 301. rotating the rod; 31. a resetting device; 32. a fixed seat; 33. an adjustment member; 34. a gear sense adjusting device; 340. a first mating surface; 341. a second mating surface; 4. a connecting seat; 40. a shaft hole; 5. fixing a bracket; 6. a damping device; 7. a bottom cover; 70. a concave portion.

Detailed Description

The present invention will be described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the following description, various embodiments or technical features may be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The implementation mode is as follows:

as shown in fig. 1 to 8, the present invention shows a mechanical metronome, which comprises an outer shell 1 and a movement assembly 2, wherein the outer shell 1 is provided with a specific cavity 10, and the movement assembly 2 is used for generating beat vibration in the cavity 10. Specifically, the movement assembly 2 includes a driving device and a swinging device, and the driving device is fixed on the inner wall of the outer shell 1 through a fixing bracket 5 and is used for driving the swinging device to swing.

As shown in fig. 1, the swing device includes a swing link 240, a swing shaft 24 mounted on the swing link 240, and a stop wheel 23 mounted on the swing shaft 24, of course, the swing shaft 24 is rotatably disposed on the outer casing 1, one end of the swing link 240 is located in the cavity 10 of the outer casing 1, the other end of the swing link 240 extends out of the cavity 10 of the outer casing 1, the swing link 24 mounted on the swing link 240 and the stop wheel 23 mounted on the swing link 24 are both located in the cavity 10 of the outer casing 1, and the drive device drives the stop wheel 23 to drive the swing link to swing.

The stopping wheel 23 includes a horn-shaped component force transmission port arranged at the opening, the opening direction of the horn-shaped component force transmission port is consistent with the axial direction of the swing shaft 24, and the opening large end of the horn-shaped component force transmission port enters the entering direction of the horn-shaped component force transmission port when the gear teeth rotate towards the ratchet wheel 210; the driving device comprises a main transmission gear 20, a driven gear shaft 21 and two ratchet wheels 210 arranged on the driven gear shaft 21, wherein the main transmission gear 20 drives the driven gear shaft 21 to rotate, the driven gear shaft 21 rotates to drive the ratchet wheels 210 to rotate, and therefore the swing rod is driven to swing along the direction vertical to the axis of the swing shaft 24.

It should be noted that the driving device drives the swing link 240 to swing along the axial direction of the vertical swing shaft 24 is prior art, and the principle will not be described in detail here.

It can be understood by those skilled in the art that the ratchet 210 hits the stop wheel 23 once per swing of the swing lever to generate a "clicking" beat sound, but the volume of the beat sound cannot be adjusted. For this reason, the present inventors have studied and practiced, on the basis of the above structure, to transmit the beat vibration generated in the cavity 10 of the outer case 1 to the outer case 1 through a tuning device 3, so that the beat vibration is vibrated by the outer case 1 and the cavity 10 thereof to amplify the volume of the beat sound, thereby achieving an effect of adjusting the volume of the beat sound, in consideration of the fact that the beat sound is generated by the beat vibration. That is, in the use process of the metronome of the present invention, the movement component 2 generates beat vibration in the cavity 10, and when the beat rhythm emitted by the metronome is small, the beat vibration generated in the cavity 10 can be transmitted to the outer shell 1 through the tuning device 3, so that the beat vibration amplifies the beat sound volume through the vibration of the outer shell 1 and the cavity 10 thereof, thereby achieving the effect of adjusting the beat sound volume and meeting the requirements of users.

In this embodiment, the tuning device 3 includes the cam assembly 30, and the cam assembly 30 is rotatably disposed on the outer casing 1 and located in the cavity 10 of the outer casing 1, so that the cam assembly 30 can contact with a component of the movement assembly 2 that generates beat vibration and transmit the generated beat vibration to the outer casing 1. It can be understood that the component generating the beat vibration includes the stop wheel 23 and the pendulum shaft 24, the beat vibration generated by the impact between the stop wheel 23 and the ratchet wheel 210 is transmitted to the pendulum shaft 24, in order to transmit the beat vibration to the outer shell 1, a connecting piece 25 is connected to one end of the pendulum shaft 24 far away from the stop wheel 23, the connecting piece 25 is fixedly arranged on the fixed bracket 5, one end of the pendulum shaft 24 far away from the stop wheel 23 is rotatably arranged on the connecting piece 25, the connecting piece 25 is provided with a movement limiting piece 26, and the movement limiting piece 26 does not rotate along with the pendulum shaft 24, but is fixed on the fixed bracket 5 through a fastening piece. When the beat sound volume needs to be amplified, the cam assembly 30 is rotated to be in contact with the movement limiting piece 26, so that beat vibration can be amplified through the vibration of the outer shell 1 and the cavity 10 of the outer shell; when needs turn down beat sound volume, make it break away from with the spacing piece 26 of core through rotating cam subassembly 30, can make the beat vibrations can't transmit metronome shell body 1 through cam subassembly 30 to make the beat vibrations can't transmit through shell body 1, and then turn down the beat volume, in order to reach the effect of adjusting the beat volume, satisfy user's demand.

In this embodiment, the tuning device further includes a gear shift feeling adjusting device 34, and the gear shift feeling adjusting device 34 is used for providing a gear shift feeling to the rotation of the cam module 30. That is, it can be understood that when the cam assembly 30 is rotated to be in contact with or disconnected from the movement limiting piece 26, the cam assembly 30 has gear feeling during rotation through the gear feeling adjusting device 34. Specifically, the gear feeling adjusting device 34 includes a first engaging surface 340 and a second engaging surface 341, the first engaging surface 340 is disposed on the cam module 30, and the second engaging surface 341 is disposed on the inner wall of the outer housing 1 and engaged with the first engaging surface 340, so that the cam module 30 has a gear feeling when rotating to contact with or disconnect from the movement limiting piece 26.

In this embodiment, the cam member 30 is also movably provided on the outer housing 1 so that the cam member 30 can move in the axial direction of its rotation. That is, it can be understood that, on the basis that the cam assembly 30 is rotated to be capable of contacting with the movement limiting piece 26, the cam assembly 30 is set to be movable, so that the cam assembly 30 can move along the rotating axial direction, and thus, the cam assembly 30 can not only rotate but also move along the rotating axial direction, and is convenient for users to use flexibly. Because the cam assembly 30 is located in the cavity 10 of the outer shell 1, in order to facilitate a user to adjust the cam assembly 30 to contact with the movement limiting piece 26, the tuning device 3 further comprises an adjusting member 33, the adjusting member 33 is connected with the cam assembly 30 and located outside the outer shell 1, and the adjusting member 33 adjusts the cam assembly 30 to rotate to a preset angle so as to contact with the movement limiting piece 26.

Specifically, when the adjustment cam assembly 30 needs to rotate to contact with the movement limiting piece 26, the adjustment assembly 33 needs to move along the axis direction of the rotation of the cam assembly 30, and the cam assembly 30 has a gear sense for adjusting the volume gear under the action of the gear sense adjustment device 34, so that a user has obvious gear sense when adjusting the volume, and the experience of the user is enhanced. It should be noted that the preset position can be reached by rotating the adjusting member 33 clockwise by 90 ° in this embodiment, and the cam assembly 30 can be disengaged from the movement limiting piece 26 by rotating counterclockwise by 90 °.

Of course, in other embodiments, the preset position may be reached by rotating the adjusting member 270 ° clockwise or rotating the adjusting member 90 ° counterclockwise, which is not limited herein. Therefore, for those skilled in the art to contact the cam assembly 30 with the movement limiting plate 26 by reasonably changing the preset position of the rotation of the adjusting assembly 33 according to the actual situation, it is also within the scope of the present invention to switch the volume level by contacting or separating the movement set with the housing.

In this embodiment, the gear position sensing adjustment device 34 is disposed along the direction of the rotation axis of the cam assembly 30, and when the cam assembly 30 rotates, it moves slightly in the direction of the rotation axis thereof by the gear position sensing adjustment device 34. That is, the first engaging surface 340 is disposed along the direction of the rotation axis of the cam module 30, and the second engaging surface 341 is disposed on the housing in the direction corresponding to the first engaging surface 340, so that when the cam module 30 rotates, the cam module 30 slightly moves along the direction of the rotation axis thereof under the action of the engaging transmission between the first engaging surface 340 and the second engaging surface 341, thereby providing the cam module 30 with the gear feeling during the rotation.

In this embodiment, in order to enable the cam assembly 30 to automatically reset after moving along the direction of the rotation axis thereof, the mechanical metronome of the present invention further includes a resetting device 31, and the resetting device 31 is used for resetting after the cam assembly 30 moves. That is, it can be understood that when the adjusting member 33 is rotated to rotate the cam member 30 along the direction of the rotation axis thereof to contact with the movement limiting piece 26, this state makes the beat sound of the mechanical metronome of the present invention large, and during the rotation of the cam member 30, the cam member 30 slightly moves (moves a small distance) along the direction of the rotation axis thereof under the action of the meshing transmission of the first meshing surface 340 and the second meshing surface 341, and at this time, under the action of the resetting device 31, the cam member 30 can be automatically reset after the slight movement. Certainly, when the beat volume of the metronome needs to be adjusted to a small volume, the cam module 30 is driven to rotate by the rotary adjusting member 33, so that the cam module 30 is separated from the movement limiting piece 26, and the vibration generated in the cavity 10 of the outer shell 1 can be transmitted to the outer shell 1 through the cam module 30, so as to isolate the beat vibration in the cavity 10 of the outer shell 1 and transmit the vibration to the outside of the outer shell 1. In addition, the regulating member 33 is limited by the concave portion 70 on the bottom cover 7 of the metronome of the present invention.

In this embodiment, the cam assembly 30 includes a rotating rod 301 and a cam 300, the rotating rod 301 is rotatably and movably disposed on the outer housing 1 through the fixing seat 32, the cam 300 is disposed on the rotating rod 301 and located at the upper end of the fixing seat 32, and the adjusting member 33 is connected to the rotating rod 301. Thus, by rotating the rotation lever 301 by rotating the adjuster 33, the rotation of the rotation lever 301 rotates the cam 300, and the cam 300 is brought into contact with the movement stopper piece 26. In addition, the above-mentioned reset device 31 is a reset spring, the reset spring is fixed between the cam 300 and the fixing base, the first engaging surface 340 is disposed on the top end surface of the cam 300, and the second engaging surface 341 is disposed on the connecting base 4 fixed on the inner wall of the housing and is engaged with the first engaging surface 340. Specifically, the second engaging surface 341 is provided on the bottom end surface of the connecting seat 4, so that when the cam assembly 30 is rotated by rotating the adjusting member 33, the first engaging surface 340 on the cam 300 is in engagement transmission with the second engaging surface 341, so that the cam assembly 30 moves along the rotation axis direction of the rotating lever 301, and the cam assembly 30 can be automatically reset under the action of the reset spring after moving.

In addition, in order to limit the moving stroke of the rotating lever 301 along the rotating axial direction thereof, the present invention further includes a limiting device for limiting the moving stroke of the cam module 30 along the rotating axial direction thereof. Specifically, stop device is including setting up the shaft hole 40 on the connecting seat, and this shaft hole 40 supplies the dwang to be close to the one end of cam 300 and inserts, also promptly through this shaft hole 40 restriction dwang 301 along its rotation axis direction the upstroke that moves, and elastic deformation through reset spring is used for driving the dwang and realizes 90 degrees gear of cam along its rotation axis direction and rotate, so alright inject the position of cam 300 on the dwang can contact with core spacing piece 26 all the time, ensure adjusting device's normal use.

In this embodiment, the mechanical metronome of the present invention further includes a damping device 6, and the damping device 6 is used for damping the movement assembly 2. Specifically, damping device 6 is the buffering silica gel circle for core assembly 2 is fixed in on the shell body 1 through fixed bolster 5, therefore can reach the effect that is used for core assembly 2 shock attenuation through set up buffering silica gel circle between fixed bolster 5 is solid and shell body 1. Of course, in other embodiments, the shock absorbing device 6 may also be other shock absorbing structures, and is not limited to the structure shown in the following drawings, so it should also fall into the protection scope of the present invention by reasonably changing the shock absorbing structure for those skilled in the art.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (10)

1. A mechanical metronome, comprising:

the device comprises an outer shell (1), wherein a cavity (10) is formed in the outer shell (1);

the movement assembly (2) is used for generating beat vibration in the cavity (10);

and the tuning device (3) is used for transmitting beat vibration generated in the cavity (10) to the outer shell (1).

2. A mechanical metronome according to claim 1, wherein: tuning device (3) including cam subassembly (30), cam subassembly (30) rotatable set up in on shell body (1) and be located cavity (10) to make its part contact that can produce the beat vibrations with core subassembly (2) and transmit the beat vibrations of production to shell body (1).

3. A mechanical metronome according to claim 2, wherein: the part of the movement assembly (2) generating beat vibration is in contact with the cam assembly (30) through a movement limiting piece (26).

4. A mechanical metronome according to claim 2, wherein: the tuning device (3) further comprises an adjusting piece (33), wherein the adjusting piece (33) is connected with the cam component (30) and is positioned outside the outer shell (1) so as to drive the cam component (30) to rotate.

5. A mechanical metronome according to claim 2, wherein: the tuning device (3) further comprises a gear sensing adjusting device (34), and the gear sensing adjusting device (34) is used for enabling the cam component (30) to rotate so as to have gear sensing.

6. A mechanical metronome according to claim 5, wherein: the gear sensing adjusting device (34) comprises a first meshing surface (340) and a second meshing surface (341), the first meshing surface (340) is arranged on the cam assembly (30), and the second meshing surface (341) is arranged on the inner wall of the outer shell (1) and meshed and connected with the first meshing surface (340), so that the cam assembly (30) has gear sensing when rotating to be in contact with a component generating beat vibration with the movement assembly (2).

7. A mechanical metronome according to claim 2, wherein: the cam assembly (30) is also movably arranged on the outer shell (1) so that the cam assembly (30) can move along the axis direction of rotation of the cam assembly.

8. A mechanical metronome according to claim 7, wherein: the tuning device (3) further comprises a resetting device (31), and the resetting device (31) is used for resetting the cam component (30) after the cam component moves.

9. A mechanical metronome according to any of claims 2-8, wherein: cam subassembly (30) are including dwang and cam (300), the dwang passes through the rotatable and movably of fixing base and locates on shell body (1), cam (300) are located on the dwang, be used for with core subassembly (2) produce the part contact of beat vibrations.

10. A mechanical metronome according to claim 1, wherein: the movement assembly is characterized by further comprising a damping device (6), wherein the damping device (6) is used for damping the movement assembly (2).

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