CN220400217U

CN220400217U - Metronome

Info

Publication number: CN220400217U
Application number: CN202321857342.6U
Authority: CN
Inventors: 余冬燕; 梁心仪; 王青; 覃柳琦; 董瑾; 张恒
Original assignee: Guangxi Polytechnic Vocational Technical School
Current assignee: Guangxi Polytechnic Vocational Technical School
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-01-26
Anticipated expiration: 2033-07-14

Abstract

The utility model discloses a metronome, which comprises a back plate, wherein the bottom end of the back plate is fixedly connected with a base, a swing needle is movably embedded at the joint of the back plate and the base, a square block is movably sleeved at the middle part of the swing needle, the bottom end of the swing needle is fixedly connected with a lower swing block, a rotating plate is arranged at the middle part of the front surface of the base, a pointer is fixedly connected with the top end of the rotating plate, a fastening screw penetrates through the middle movable screw on the front surface of the rotating plate, a clamping rod is fixedly connected with the back surface of the rotating plate, and a screwing plate is rotatably connected with one side wall of the base.

Description

Metronome

Technical Field

The utility model relates to a rhythm beating device, in particular to a metronome.

Background

The metronome is a mechanical device capable of sending out stable beats at various speeds, is commonly used for a piano beginner to practice the music score playing process, mainly relies on a spring to provide power, and meanwhile relies on the click sound sent out by the accent bell to realize the beating of the rhythm, so that the speed concept of the piano exerciser can be cultivated, the attention of the player can be concentrated, and the efficiency of playing the piano is improved.

However, the prior metronome has a imperfect structure and certain defects:

1. when the existing metronome needs to be braked, the swinging needle of the metronome is directly pinched to enable the swinging needle to directly stop swinging, the hands of a user need to be directly contacted with the swinging needle in the process, the existing metronome is easy to be impacted by the swinging needle in a rapid swinging manner, the swinging needle in the rapid swinging manner is not easy to be pinched, and the metronome is not easy to brake in time by the user.

2. When the existing metronome operates, click sound is usually generated by knocking the accent bell, the accent bell is located in the metronome, the generated sound is easily blocked by the shell of the metronome, the volume is small, and the prompting sound generated by the metronome is easily covered by other noise in the surrounding environment and is not easily and clearly heard by a user.

Disclosure of Invention

The utility model aims to provide a metronome, which solves the problems that in the background art, the metronome is not beneficial to a user to brake the metronome in time and the sound generated by the metronome when the noise of the surrounding environment is loud is not easy to be clearly heard by the user.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the metronome comprises a back plate, wherein the bottom end of the back plate is fixedly connected with a base, a swing needle is movably embedded at the joint of the back plate and the base, a square block is movably sleeved in the middle of the swing needle, a lower swing block is fixedly connected with the bottom end of the swing needle, a rotating plate is arranged in the middle of the front face of the base, a pointer is fixedly connected with the top end of the rotating plate, and a fastening screw penetrates through a movable thread in the middle of the front face of the rotating plate;

the back fixedly connected with card pole of commentaries on classics board, a side wall of base rotates and is connected with twists the board, twist board one end portion and install the clockwork spring, the back of base inlays and is equipped with loudspeaker vibrating diaphragm, the outside of loudspeaker vibrating diaphragm is equipped with the card cover, the positive fixedly connected with linkage piece of loudspeaker vibrating diaphragm, a side wall fixedly connected with sheetmetal of linkage piece, the internally mounted of base has the accent bell.

As a preferable technical scheme of the utility model, the rotating plate is movably embedded and connected with the base through a fastening screw, and the front surface of the rotating plate is provided with a limit groove.

As a preferable technical scheme of the utility model, the bottom end of the base is connected with the bottom plate in a clamping way, and the middle part of the bottom plate is embedded with the rubber plate.

As a preferable technical scheme of the utility model, the front surface of the base is provided with the sliding groove, and the clamping rod is movably connected with the base in a penetrating way through the sliding groove.

As a preferable technical scheme of the utility model, one end of the metal sheet is fixedly connected with the accent bell, and the metal sheet is positioned in the base.

As a preferable technical scheme of the utility model, openings are formed at two ends of the card cover, the card cover is connected with the loudspeaker diaphragm cover through the openings, and the card cover is connected with the base in a clamping manner.

As a preferable technical scheme of the utility model, the bottom end of the lower swing block is fixedly connected with a circular plate, and the initial position of the clamping rod is positioned right below the circular plate.

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

1. according to the metronome, the rotating plate, the pointer, the clamping rod, the fastening screw and the lower swinging block are arranged, the rotating plate rotates the clamping rod to the swinging position of the lower swinging block along the outer wall of the base through the fastening screw under the indication action of the pointer, the lower swinging block is blocked, the lower swinging block stops swinging, the swinging needle fixed with the lower swinging block stops swinging, timely braking of the metronome is achieved, and the hand of a user is prevented from braking through pinching the swinging needle.

2. According to the utility model, through the loudspeaker vibrating diaphragm, the clamping cover, the metal sheet and the linkage block, the metal sheet connected with the accent bell can transmit resonance generated by the accent bell vibration to the linkage block, then the linkage block transmits the vibration to the loudspeaker vibrating diaphragm, the sound generated by the vibration is continuously transmitted, and then the clamping cover amplifies the sound, so that accent in the metronome rapidly penetrates out of the shell, the increase of the prompting volume of the metronome is realized, and the user can hear the sound of the metronome in a noisy environment.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a loudspeaker diaphragm and a card cover structure of the utility model;

FIG. 3 is a schematic view of a metal sheet and a linkage block structure of the present utility model;

fig. 4 is a schematic view of the structure of the swing block and the clamping rod of the present utility model.

In the figure: 1. a back plate; 2. a swing needle; 3. a square block; 4. twisting the plate; 5. a rotating plate; 6. a pointer; 7. fastening a screw; 8. a limit groove; 9. a base; 10. a horn diaphragm; 11. a card cover; 12. a bottom plate; 13. a rubber plate; 14. a lower swing block; 15. a clamping rod; 16. a spring; 17. a accent bell; 18. a metal sheet; 19. and a linkage block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a metronome technical solution:

embodiment one:

according to the metronome shown in fig. 1 and 4, the metronome comprises a back plate 1, a scale plate is fixed on the front surface of the back plate 1, a base 9 is fixedly connected to the bottom end of the back plate 1, the base 9 is hollowed, a balance needle 2 is movably embedded in the joint of the back plate 1 and the base 9, a square block 3 is movably sleeved in the middle of the balance needle 2, a lower balance block 14 is fixedly connected to the bottom end of the balance needle 2, a rotating plate 5 is arranged in the middle of the front surface of the base 9, the rotating plate 5 can drive a clamping rod 15 to stop the swing of the lower balance block 14 through rotation, a user is prevented from holding the balance needle 2 which swings fast by hands, a pointer 6 is fixedly connected to the top end of the rotating plate 5, the pointer 6 can enable the user to know the rotating position of the rotating plate 5, the clamping rod 15 can smoothly rotate to the position for stopping the swing of the lower balance block 14, so that the metronome is braked fast, a fastening screw 7 penetrates through the middle movable thread on the front surface of the rotating plate 5, the rotating plate 5 can be fixed on the base 9, and the clamping rod 15 can be always limited by the clamping rod 15; through the rotating plate 5, the pointer 6, the clamping rod 15, the fastening screw 7 and the lower swing block 14 which are arranged, the clamping rod 15 is fixedly connected to the back of the rotating plate 5, the clamping rod 15 is made of flexible rubber materials, violent collision is avoided between the clamping rod 15 and the lower swing block 14, abrasion caused by collision is reduced, the service life is prolonged, the rotating plate 5 is movably embedded and connected with the base 9 through the fastening screw 7, the limiting groove 8 is formed in the front of the rotating plate 5, a user can better borrow force when rotating the rotating plate 5, rapid braking of the metronome is achieved, the sliding groove is formed in the front of the base 9, the clamping rod 15 is movably connected with the base 9 through the sliding groove, a circular plate is fixedly connected to the bottom end of the lower swing block 14, the initial position of the clamping rod 15 is located under the circular plate, and the circular plate can be limited to rotate after being contacted with the clamping rod 15, and therefore the hand of the user is prevented from being braked by holding the swing needle 2.

When the metronome is used, the twisting plate 4 can be screwed firstly, the spring 16 is driven to tighten and deform, the square 3 is pushed to slide up and down along the balance needle 2, the balance needle 2 is pushed to swing, the metronome starts to operate, when the metronome is required to be braked, fingers press the limit groove 8 on the rotating plate 5 to rotate clockwise, the rotating plate 5 rotates along the front face of the base 9 through the fastening screw 7, the clamping rod 15 at the initial position below the lower balance block 14 is driven to rotate into the swinging track of the lower balance block 14 through the sliding groove, until the circular plate at the bottom of the lower balance block 14 is contacted with the clamping rod 15 on the swinging track, the clamping rod 15 is intercepted, and then the swinging is stopped, so that the balance needle 2 is stopped from swinging, and the balance needle 2 is braked in time.

Embodiment two:

on the basis of the first embodiment, as shown in fig. 2 and 3, a twisting plate 4 is rotatably connected to one side wall of a base 9, a spring 16 is installed at one end part of the twisting plate 4, a horn vibrating diaphragm 10 is embedded in the back surface of the base 9, the horn vibrating diaphragm 10 can amplify vibration conducted by an accent bell 17, so that vibration sound of the accent bell 17 becomes large, click sound volume emitted by the metronome is increased, a clamping cover 11 is arranged on the outer side of the horn vibrating diaphragm 10, the clamping cover 11 is made of plastic materials, sound can be better diffused to surrounding environment, a linkage block 19 is fixedly connected to the front surface of the horn vibrating diaphragm 10, the linkage block 19 is made of metal materials, vibration of a metal sheet 18 can be quickly conducted to the linkage block 19, driving of the linkage block 19 is achieved, one side wall of the linkage block 19 is fixedly connected with the metal sheet 18, and the accent bell 17 is installed in the base 9; through loudspeaker vibrating diaphragm 10, clamping cover 11, sheetmetal 18 and the linkage piece 19 that set up, the bottom block of base 9 is connected with bottom plate 12, the middle part of bottom plate 12 has inlayed and has been equipped with rubber slab 13, the surface smoothness of rubber slab 13 levels, can make the sound that accent bell 17 sent in base 9 conduct through loudspeaker vibrating diaphragm 10, thereby improve the volume of this metronome, the tip and the accent bell 17 fixed connection of sheetmetal 18, sheetmetal 18 is located the inside of base 9, the opening has all been seted up at the both ends portion of clamping cover 11, clamping cover 11 is connected through opening and loudspeaker vibrating diaphragm 10 cover, clamping cover 11 and base 9 block are connected, clamping cover 11 can make the sound diffusion that loudspeaker vibrating diaphragm 10 sent, thereby do benefit to the sound of user's listening to the metronome in noisy environment.

When the metronome is particularly used, after the spring 16 of the metronome is screwed, the balance needle 2 is swung, at the moment, the accent bell 17 is knocked to emit accent, meanwhile, the knocked accent bell 17 is transmitted to the metal sheet 18 connected with the balance bell, the vibration is transmitted to the linkage block 19 through the metal sheet 18, then the loudspeaker diaphragm 10 is vibrated through resonance of the linkage block 19, the loudspeaker diaphragm 10 emits sound, meanwhile, the rubber plate 13 at the bottom of the base 9 reflects the sound emitted by the accent bell 17 back into the base 9, the sound wave of the accent bell 17 is transmitted to the loudspeaker diaphragm 10, then the loudspeaker diaphragm 10 emits sound through vibration, and then the clamping cover 11 diffuses the sound emitted by the vibration of the loudspeaker diaphragm 10, so that a user can hear accent sound emitted by the metronome.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the description with reference to the terms "one aspect," "some aspects," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present utility model. In this specification, the schematic representations of the above terms are not necessarily for the same scheme or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

Claims

1. Metronome, comprising a back plate (1), characterized in that: the novel hand-held device is characterized in that a base (9) is fixedly connected to the bottom end of the back plate (1), a swing needle (2) is movably embedded at the joint of the back plate (1) and the base (9), a square block (3) is movably sleeved at the middle part of the swing needle (2), a lower swing block (14) is fixedly connected to the bottom end of the swing needle (2), a rotating plate (5) is arranged at the front middle part of the base (9), a pointer (6) is fixedly connected to the top end of the rotating plate (5), and a fastening screw (7) penetrates through the front middle movable thread of the rotating plate (5);

the utility model discloses a loudspeaker vibrating diaphragm, including base (9), back fixedly connected with card pole (15) of revolving board (5), a lateral wall rotation of base (9) is connected with twists board (4), twist board (4) one end and install clockwork spring (16), the back of base (9) is inlayed and is equipped with loudspeaker vibrating diaphragm (10), the outside of loudspeaker vibrating diaphragm (10) is equipped with card cover (11), the front fixedly connected with linkage piece (19) of loudspeaker vibrating diaphragm (10), a lateral wall fixedly connected with sheetmetal (18) of linkage piece (19), internally mounted of base (9) has accent bell (17).

2. A metronome as claimed in claim 1, wherein: the rotating plate (5) is movably embedded and connected with the base (9) through a fastening screw (7), and a limiting groove (8) is formed in the front surface of the rotating plate (5).

3. A metronome as claimed in claim 1, wherein: the bottom of base (9) block is connected with bottom plate (12), the middle part of bottom plate (12) is inlayed and is equipped with rubber slab (13).

4. A metronome as claimed in claim 1, wherein: the front of the base (9) is provided with a sliding groove, and the clamping rod (15) is movably connected with the base (9) in a penetrating manner through the sliding groove.

5. A metronome as claimed in claim 1, wherein: one end of the metal sheet (18) is fixedly connected with the accent bell (17), and the metal sheet (18) is positioned in the base (9).

6. A metronome as claimed in claim 1, wherein: openings are formed in two end portions of the clamping cover (11), the clamping cover (11) is connected with the loudspeaker diaphragm (10) in a covering mode through the openings, and the clamping cover (11) is connected with the base (9) in a clamping mode.

7. A metronome as claimed in claim 1, wherein: the bottom end of the lower swinging block (14) is fixedly connected with a circular plate, and the initial position of the clamping rod (15) is located right below the circular plate.