Music beat device

Abstract

The utility model discloses a music metronome, which comprises a base on which a metronome body is arranged, and further comprises a rectangular groove arranged on the base, the adjusting gear I is rotatably arranged in the rectangular groove, and only half of the tooth tip of the adjusting gear I is arranged; the adjusting gear II is rotatably arranged in the rectangular groove, the tooth top of the adjusting gear II is only half, the adjusting gear I and the adjusting gear II are meshed with each other, and the initial tooth top positions are all right opposite to the bottom surface of the rectangular groove; the fan-shaped opening and closing shell is formed by detachably connecting a shell body I and a shell body II, the shell body I is connected with the half, without the tooth tip, of the adjusting gear I, and the shell body II is connected with the half, without the tooth tip, of the adjusting gear II; and twisting a handle. According to the music beat device, the problems that an existing external needle pendulum is prone to being damaged or fractured under the action of external force, and the overall protection performance is poor are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to music technical field, concretely is a music metronome. BACKGROUND

[0002] The metronome, also known as the Meissner metronome, has a swing lever inside, the period of swing can be changed by adjusting the counterweight position on the swing lever, thereby producing different beat speeds, and is composed of simple gear, spring and other mechanical components, providing stable beat reference for musicians.

[0003] The swing component of the metronome in the prior art is directly exposed, generally speaking, when the metronome is not used, such arrangement is easy to cause the swing component to be damaged due to falling or collision, for example, application number: CN202222682356.0, a metronome, the defects of the device are: the needle swing is directly located on the outside of the body, when the device is not used, if the device falls or accidentally collides, the external needle swing is subjected to external force, and damage or fracture is easy to occur, thereby affecting the use of the metronome, and the overall protection is poor. UTILITY MODEL CONTENT

[0004] An object of the utility model is to solve at least the above problems and / or defects, and provide at least the advantages to be explained later.

[0005] In order to achieve these objects and other advantages according to the utility model, a music metronome is provided, comprising: a base, a metronome body is installed on the base, and further comprising:

[0006] A rectangular groove is arranged on the base;

[0007] Adjusting gear I is rotatably arranged in the rectangular groove, and only half of the tooth tips of adjusting gear I is arranged;

[0008] Adjusting gear II is rotatably arranged in the rectangular groove, and only half of the tooth tips of adjusting gear II is arranged, adjusting gear I and adjusting gear II are meshed with each other, and the initial tooth tip positions are arranged opposite to the bottom surface of the rectangular groove;

[0009] The fan-shaped opening and closing shell is composed of shell I and shell II which are detachably connected, the shell I is connected with the half of adjusting gear I without tooth tips, and the shell II is connected with the half of adjusting gear II without tooth tips;

[0010] The twist handle is installed on the outside of the base through a bearing, and the twist handle is connected with the rotating shaft of adjusting gear I.

[0011] Preferably, the two sides of the outer wall of the base are symmetrically provided with inclined limiting plates;

[0012] The bottom of the shell I and the bottom of the shell II are provided with inner recesses, and the inner recesses are matched with the size of the limiting plates.

[0013] Preferably, the detachable connection between the shell I and the shell II is achieved by:

[0014] The edge of the shell I is provided with a recess opposite the shell II, and the outer wall of the shell I is provided with a hinged L-shaped rotating block.

[0015] The edge of the shell II is provided with a protrusion opposite the shell I, and the protrusion is matched with the size of the recess, and the outer wall of the shell II is provided with an L-shaped notch, and the L-shaped notch is matched with the size of the L-shaped rotating block.

[0016] Preferably, the back of the metronome body is symmetrically provided with fixed limiting columns.

[0017] The back of the shell I and the back of the shell II are provided with arc-shaped grooves, and the limiting columns are inserted into the arc-shaped grooves.

[0018] Preferably, the bottom of the base is bolted with four supporting feet distributed at four corners, and the bottom surface of the supporting feet is provided with anti-skid pads.

[0019] The utility model at least has following beneficial effects:

[0020] The device can protect the metronome body when not in use, prevent damage from collision, dust, water vapor, etc., prolong the service life, and control the opening and closing of the fan-shaped opening and closing shell through the twist handle rotating adjustment gear. The operation is simple and convenient, and the user can easily open and close the shell.

[0021] Other advantages, objects and features of the utility model will be embodied in part through the following description, and will be understood by those skilled in the art through research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole closed cross-sectional structure schematic diagram of the utility model;

[0023] Figure 2 It is a whole opened overhead structure schematic diagram of the utility model;

[0024] Figure 3 It is a whole opened back structure schematic diagram of the utility model;

[0025] Figure 4 It is a whole closed front structure schematic diagram of the utility model;

[0026] Figure 5 It is a whole closed back structure schematic diagram of the utility model;

[0027] Figure 6 The overall opening bottom view structural schematic diagram of the utility model is shown in the figure;

[0028] Marked in the figure: 1, base, 11, rectangular groove, 12, limiting plate, 2, metronome body, 21, limiting column, 3, adjusting gear I, 31, rotating shaft, 4, adjusting gear II, 5, fan-shaped opening and closing shell, 51, shell I, 511, groove, 512, L-shaped rotating block, 52, shell II, 521, protruding block, 522, L-shaped notch, 6, twist handle, 7, inner groove, 8, arc-shaped groove, 9, supporting leg, 91, anti-skid pad. DETAILED DESCRIPTION

[0029] The utility model will be further described in detail below in combination with the drawings, so that the person skilled in the art can implement according to the description of the specification.

[0030] It should be understood that the terms such as "have", "contain" and "include" used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0031] It should be noted that in the description of the utility model, the orientation or positional relationship indicated by the terms is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, structure and operation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeving / connection", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements inside, for the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] Furthermore, in the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature is "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature is "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0034] The present application will be described in detail below with reference to the drawings:

[0035] Figures 1-6 A music metronome of the present application is shown, comprising: a base 1, a metronome body 2 is installed thereon, further comprising:

[0036] A rectangular groove 11 is arranged on the base 1;

[0037] Adjusting gear I 3 is rotatably arranged in the rectangular groove 11, and only half of the tooth tips of the adjusting gear I 3 is arranged;

[0038] Adjusting gear II 4 is rotatably arranged in the rectangular groove 11, and only half of the tooth tips of the adjusting gear II 4 is arranged, the adjusting gear I 3 and the adjusting gear II 4 are meshed with each other, and the initial tooth tip positions are arranged opposite to the bottom surface of the rectangular groove 11;

[0039] Fan-shaped opening and closing shell 5 is composed of shell I 51 and shell II 52 which are detachably connected, the shell I 51 is connected with the half of the adjusting gear I 3 without tooth tips, and the shell II 52 is connected with the half of the adjusting gear II 4 without tooth tips;

[0040] The twist handle 6 is installed on the outside of the base 1 through a bearing, and the twist handle 6 is connected with the rotating shaft 31 of the adjusting gear I 3.

[0041] Working principle:

[0042] Non-use state:

[0043] The fan-shaped opening and closing shell 5 is in the initial state, because the tooth tips of the adjusting gear I 3 and the adjusting gear II 4 are opposite to the bottom surface of the rectangular groove 11 (and there is a certain gap between the adjusting gear I 3 and the adjusting gear II 4 and the bottom surface of the rectangular groove 11), so that the shell I 51 and the shell II 52 are in the closed folding state, at this time, the fan-shaped opening and closing shell 5 can protect the metronome body 2 inside, prevent the metronome from being affected by collision, dust and the like when not in use.

[0044] Use state:

[0045] When the metronome needs to be used, the operator can rotate the knob 6, since the knob 6 is mounted outside the base 1 through a bearing and is connected with the rotating shaft 31 of the adjusting gear I 3, when the knob 6 is rotated, the adjusting gear I 3 will be rotated, and since the adjusting gear I 3 and the adjusting gear II 4 are meshed with each other, the adjusting gear II 4 will be reversely rotated; with the rotation of them, the shell I 51 and the shell II 52 which are connected with them and are originally in the folded state will be simultaneously subjected to opposite forces and open to both sides, finally, the fan-shaped open and closed shell 5 is opened, and the metronome body 2 is exposed, and the operator can normally use the metronome.

[0046] After use:

[0047] When the metronome is used, the operator reversely rotates the knob 6, which reversely rotates the adjusting gear I 3 and further rotates the adjusting gear II 4 in the positive direction, with the reverse rotation of the adjusting gear I 3 and the adjusting gear II 4, the shell I 51 and the shell II 52 will gradually approach; when the adjusting gear I 3 and the adjusting gear II 4 return to the initial position again, that is, the tooth tips are all directed to the bottom surface of the rectangular groove 11, the shell I 51 and the shell II 52 are re-spliced together, the fan-shaped open and closed shell 5 is closed, and the metronome body 2 is protected again.

[0048] When the adjusting gear I 3 and the adjusting gear II 4 are rotated, the part without tooth tips drives the shell to rotate, and the parts with tooth tips are meshed with each other to play a transmission role, and will not affect the opening and closing movement of the shell I 51 and the shell II 52, and the opening and closing of the fan-shaped open and closed shell 5 can be easily controlled by rotating the knob 6, compared with some metronomes which need complex operation steps to open the protective device, the design greatly improves the convenience of use;

[0049] In summary, the device can protect the metronome body 2 when not in use, prevent it from being damaged by collision, dust, water vapor, etc., and prolong the service life, the opening and closing of the fan-shaped open and closed shell 5 is controlled by rotating the adjusting gear through the knob 6, which is simple and convenient to operate, and the user can easily open and close the fan-shaped open and closed shell 5.

[0050] In the above scheme, the two sides of the outer wall of the base 1 are symmetrically provided with inclined limiting plates 12;

[0051] The bottom of the shell I 51 and the shell II 52 are both provided with an inner recess 7, and the size of the inner recess 7 is matched with the size of the limiting plate 12.

[0052] Working principle:

[0053] When the shell body I 51 and the shell body II 52 are opened to a certain angle, the two groups of bottom inner grooves 7 are placed on the limiting plate 12, thereby providing upward force for the shell body I 51 and the shell body II 52, supporting the shell body I 51 and the shell body II 52, and limiting the maximum opening angle of the shell body I 51 and the shell body II 52;

[0054] When the shell body I 51 and the shell body II 52 are closed, the inner grooves 7 are removed from the limiting plate 12, and the shell body I 51 and the shell body II 52 are closed inward to complete the closing operation;

[0055] The inclined limiting plate 12 is matched with the circumferential movement of the shell body I 51 and the shell body II 52 to realize the supporting effect.

[0056] In the above scheme, the detachable connection mode of the shell body I 51 and the shell body II 52 is as follows:

[0057] The edge of the shell body I 51 is provided with a groove 511 relative to the shell body II 52, and the outer wall of the shell body I 51 is provided with a hinged L-shaped rotating block 512.

[0058] The edge of the shell body II 52 is provided with a protrusion 521 relative to the shell body I 51, and the size of the protrusion 521 is matched with the size of the groove 511. The outer wall of the shell body II 52 is provided with an L-shaped slot 522, and the size of the L-shaped slot 522 is matched with the size of the L-shaped rotating block 512.

[0059] Working principle:

[0060] When it is needed to use, an operator rotates the hinged L-shaped rotating block 512 to make it rotate out of the L-shaped slot 522, so as to separate from the L-shaped slot 522. After the L-shaped rotating block 512 is separated from the L-shaped slot 522, the constraint of the shell body I 51 and the shell body II 52 in the vertical direction is released. At this time, the operator only needs to rotate the twist handle 6 to adjust the gear I 3 and the gear II 4 to provide opposite force for the shell body I 51 and the shell body II 52, so that the protrusion 521 at the edge of the shell body II 52 is separated from the groove 511 at the edge of the shell body I 51, and finally the shell body I 51 and the shell body II 52 are separated;

[0061] When closing, the operator rotates the twist handle 6 to make the shell body I 51 and the shell body II 52 close to each other. At this time, the protrusion 521 at the edge of the shell body II 52 is re-inserted into the groove 511 at the edge of the shell body I 51, and the closing is completed. After the operator rotates the L-shaped rotating block 512 to a suitable angle, the L-shaped rotating block 512 can be inserted into the L-shaped slot 522 on the outer wall of the shell body II 52, so as to realize the external force fixation and limiting of the shell body. Even when the metronome body 2 is not used, it is not easy to loosen or separate under the action of a certain vibration or external force, which effectively protects the internal components of the metronome;

[0062] In actual use, the edges of the shell I 51 and the shell II 52 are frequently in contact. In order to avoid collision and wear caused by long-term use, a wear-resistant pad (synthetic rubber, etc.) can be added on the top.

[0063] As in the above scheme, the back of the metronome body 2 is symmetrically provided with a fixed limiting column 21;

[0064] The back of the shell I 51 and the shell II 52 are provided with an arc-shaped groove 8, and the limiting column 21 is inserted into the arc-shaped groove 8.

[0065] Working principle:

[0066] When the adjusting gear I 3 and the adjusting gear II 4 are rotated by the twist handle 6 to separate the shell I 51 and the shell II 52, the limiting column 21 is fixed on the back of the metronome body 2 and inserted into the arc-shaped groove 8 on the back of the shell I 51 and the shell II 52. The limiting column 21 plays a guiding role on the arc-shaped groove 8;

[0067] The shell I 51 and the shell II 52 move along the trajectory of the arc-shaped groove 8 under the constraint of the limiting column 21, ensuring the smoothness and directionality of the opening process of the fan-shaped opening and closing shell 5, and also providing certain support force from the back of the entire shell I 51 and the shell II 52;

[0068] When the twist handle 6 is rotated in the opposite direction to gradually close the shell I 51 and the shell II 52, the shell I 51 and the shell II 52 move along the trajectory of the arc-shaped groove 8 under the constraint of the limiting column 21 to return to the initial closed position, ensuring that the fan-shaped opening and closing shell 5 can be tightly closed.

[0069] The cooperation of the limiting column 21 and the arc-shaped groove 8 provides a guiding role for the opening and closing movement of the shell I 51 and the shell II 52, enabling the fan-shaped opening and closing shell 5 to move smoothly along the predetermined trajectory during the opening and closing process, avoiding shaking and deviation, and enhancing the stability of the entire structure;

[0070] The structure design utilizes the back space of the metronome body 2 and the shell, without the need for additional complex structures to achieve the guiding and positioning functions, making the structure of the entire metronome more compact without increasing excessive volume and weight;

[0071] In actual use, the arc-shaped groove 8 and the limiting column 21 will slide relative to each other during each opening and closing process. In order to avoid collision and wear caused by long-term use, materials with good wear resistance (hard alloy, polytetrafluoroethylene, etc.) can be selected.

[0072] As in the above scheme, the bottom of the base 1 is bolted with four support feet 9 distributed at the four corners, and the bottom surface of the support feet 9 is provided with a non-slip pad 91.

[0073] Working principle:

[0074] The support feet 9 are connected by bolts, facilitating adjustment of the height of the support feet 9 according to different use scenarios and requirements, so as to adapt to uneven surfaces and enhance stability;

[0075] The anti-skid pads 91 (synthetic rubber or the like) at the bottom surface of the support feet 9 can increase the friction with the placement plane, prevent accidental sliding of the metronome during use, and improve the safety of use.

[0076] Although the embodiments of the present application have been disclosed as above, they are not limited to the application listed in the specification and the embodiments, and can be fully applied to various fields suitable for the present application. For those skilled in the art, other modifications can be easily realized, and therefore the present application is not limited to specific details and the figures shown and described herein.

Claims

1. A music metronome, comprising: The base is installed with the metronome body, characterized in that it further comprises: A rectangular slot is arranged on the base; The adjusting gear I is rotatably arranged in the rectangular slot, and only half of the tooth tips of the adjusting gear I is arranged; The adjusting gear II is rotatably arranged in the rectangular slot, and only half of the tooth tips of the adjusting gear II is arranged, the adjusting gear I and the adjusting gear II are in meshing with each other, and the initial tooth tip positions are arranged opposite to the bottom surface of the rectangular slot; The fan-shaped opening and closing shell is composed of the shell I and the shell II which are detachably connected, the shell I is connected with the half of the adjusting gear I without tooth tips, and the shell II is connected with the half of the adjusting gear II without tooth tips; The twist handle is installed on the outside of the base through a bearing, and the twist handle is connected with the rotating shaft of the adjusting gear I.

2. The music metronome according to claim 1, wherein The inclined limiting plates are symmetrically arranged on the two sides of the outer wall of the base; The inner recesses are arranged on the bottoms of the shell I and the shell II, and the sizes of the inner recesses are adapted to those of the limiting plates.

3. The music metronome of claim 1, wherein, The detachable connection mode of the shell I and the shell II is that: The recess is arranged on the edge of the shell I opposite to the shell II, and the outer wall of the shell I is provided with the articulated L-shaped rotating block; The protrusion is arranged on the edge of the shell II opposite to the shell I, and the size of the protrusion is adapted to that of the recess, the outer wall of the shell II is provided with the L-shaped slot, and the size of the L-shaped slot is adapted to that of the L-shaped rotating block.

4. The music metronome of claim 1, wherein, The fixed limiting columns are symmetrically arranged on the back of the metronome body; The arc-shaped slots are arranged on the backs of the shell I and the shell II, and the limiting columns are inserted into the arc-shaped slots.

5. The music metronome of claim 1, wherein, The four supporting legs are bolted on the bottom of the base and are distributed on the four corners, and the bottom surface of the supporting leg is provided with the anti-skid pad.

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