Auxiliary metronome for sightsinging ear practice

Abstract

The utility model discloses an auxiliary metronome for sightsinging ear practice. The auxiliary metronome comprises a metronome body used for assisting in mastering rhythm and rhythm sensation in sightsinging ear practice training. A sound outlet cavity is formed in the bottom of the front side of the metronome body in a penetrating mode. A sound collecting cover I is movably assembled in an inner cavity of the sound outlet cavity and is used for amplifying and optimizing beat sound, so that the beat sound is transmitted to a user more clearly and intensively; meanwhile, the front side of the metronome body is movably provided with a pendulum bob part, the end part of the metronome body is provided with a stretching type locking assembly, the stretching type locking assembly is used for carrying out locking protection on the pendulum bob part, the end part of the metronome body is provided with a storage cavity, and the storage cavity is used for assembling parts of the stretching type locking assembly. By optimizing a sound output system, adding swing rod locking protection and improving the overall stability, the technical problems that a traditional metronome is unclear in sound output, a swing rod is prone to being damaged and placement is unstable are solved.

Description

Technical Field

[0001] This utility model belongs to the field of metronome technology, and in particular relates to an auxiliary metronome for sight-singing and ear training. Background Technology

[0002] In vocal education and practice, sight-singing and ear training are crucial for cultivating a musician's sense of rhythm and pitch perception. While traditional metronomes, as auxiliary tools, provide basic rhythmic references, they face numerous challenges in practical application. Firstly, the sound output of traditional metronomes is often less than ideal, with limited sound propagation range. Especially in noisy environments, background noise can easily interfere with the clarity of the beat, affecting the user's auditory feedback. This suboptimal sound output not only reduces the metronome's effectiveness but may also hinder the user from accurately mastering the rhythm.

[0003] Furthermore, the pendulum, as a core component of the metronome, is easily damaged by external impacts or shaking when not in use. This not only shortens the lifespan of the device but may also lead to a decrease in the pendulum's precision, thus affecting the accuracy of the beat. At the same time, traditional metronomes have poor stability, especially when placed on uneven surfaces, easily wobbling or tilting, causing the metronome to be unable to maintain a stable rhythm output, severely impacting the user's practice effectiveness. These problems limit the application of traditional metronomes in professional music training and urgently require improvement to meet higher usage demands. Utility Model Content

[0004] The purpose of this utility model is to provide an auxiliary metronome for sight-singing and ear training. By optimizing the sound output system, adding a pendulum locking protection, and improving overall stability, it solves the technical problems of unclear sound output, easy damage to the pendulum, and unstable placement of traditional metronomes.

[0005] To achieve the above objectives, the specific technical solution of this utility model is as follows: an auxiliary metronome for sight-singing and ear training, comprising a metronome body for assisting in mastering rhythm and tempo during sight-singing and ear training; wherein, a sound outlet cavity is provided through the bottom front side of the metronome body; a sound collector is movably fitted inside the sound outlet cavity to amplify and optimize the beat sound, so that it is transmitted to the user more clearly and concentratedly;

[0006] Meanwhile, a pendulum is movably mounted on the front side of the metronome body, and a tension locking assembly is mounted on the end of the metronome body. The tension locking assembly is used to lock and protect the pendulum. A storage chamber is opened at the end of the metronome body, which is used to assemble the components of the tension locking assembly.

[0007] Preferably, a protective cover is movably connected to the front side of the metronome body;

[0008] A counterweight is movably mounted on the surface of the pendulum section, wherein the counterweight can be linearly displaced on the pendulum section;

[0009] The front surface of the metronome is provided with marking lines, which are used in conjunction with the counterweight. The marking lines are adjusted to be positioned on the pendulum according to the scale markings on the counterweight.

[0010] Preferably, the bottom of the metronome body is connected to a stabilizing base, and the ends of the stabilizing base are connected to magnetic suction components. At the same time, both ends of the bottom of the metronome body are provided with magnetic suction grooves that cooperate with the magnetic suction components. A magnetic block is embedded in the magnetic suction groove, and the magnetic block attracts the magnetic suction component that enters the magnetic suction groove.

[0011] Preferably, a bottom groove is provided in the middle of the bottom of the metronome body, and at the same time, a connecting rotating cylinder is connected to the end of the stabilizing base;

[0012] A limiting annular groove is formed on the surface of the metronome body and in the inner cavity of the bottom groove, while a limiting slip ring is fitted on the outer surface of the connecting rotating cylinder. The limiting annular groove and the limiting slip ring are used in conjunction. When the connecting rotating cylinder is set in the inner cavity of the bottom groove, the limiting slip ring extends into the inner cavity of the limiting annular groove and is in rotational contact with it.

[0013] Preferably, a counterweight plate is embedded in the center of the bottom of the stabilizing base, and the counterweight plate is used to increase the weight of the stabilizing base, thereby increasing the stability of the metronome body. At the same time, suction cups are installed around the bottom of the metronome body.

[0014] Preferably, a coil spring is installed at the end of the inner cavity of the connecting drum, and one end of the coil spring is connected to the end of the inner cavity of the bottom groove;

[0015] One end of the sound collector cover is slidably fitted with a second sound collector cover, while the other end of the sound collector cover is fitted with an installation plate.

[0016] Preferably, the tension locking assembly includes a retaining seat for locking the pendulum part and a pull plate for adjusting its posture; wherein, the retaining seat is two symmetrically arranged along the center line of the pendulum part; and the pull plate is disposed in the inner cavity of the receiving chamber;

[0017] The surface of the pull plate is die-cut to form an abutting arc surface;

[0018] Meanwhile, several teeth are symmetrically arranged at both ends of the surface of the pull plate along the central axis.

[0019] Preferably, the tension locking assembly further includes a rotating rod, wherein the shaft end of the rotating rod is connected to the surface of the abutment, and a toothed transmission disc is sleeved on the surface of the rotating rod, both of which mesh with the teeth on the pull plate.

[0020] Preferably, the end of the rotating rod away from the abutment is connected to a plug-in tube, wherein the inner surface of the plug-in tube is provided with a plug-in hole, and the surface of the rotating rod is movably fitted with a fixed seat through a bearing;

[0021] Meanwhile, the tension locking assembly also includes a plug rod, and a connecting plate is connected to the surface shaft end of the plug rod.

[0022] Preferably, a pushing main rod is fixed at the center of the surface of the connecting long plate, and anti-deviation support rods are symmetrically arranged through both ends of the surface of the connecting long plate. An elastic element is installed on the surface of the connecting long plate and on one side of the anti-deviation support rod.

[0023] The auxiliary metronome for sight-singing and ear training of this utility model has the following advantages:

[0024] This is an auxiliary metronome for sight-singing and ear training. Two sound-collecting covers within the sound cavity work together to amplify and optimize the beat sound, making it clearer to the user. A stabilizing base, magnetic components, magnetic grooves, suction cups, and a counterweight plate ensure the stability of the entire device, while a coil spring allows the metronome to automatically return to its original position after rotating on the stabilizing base. A tension-type locking assembly locks the pendulum in the non-operating state to prevent accidental swinging. Through the coordinated work of these components, this metronome provides a stable and accurate rhythmic reference for music practice. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is one of the overall exploded structural diagrams of this utility model;

[0028] Figure 3 This is the second schematic diagram of the overall exploded structure of this utility model;

[0029] Figure 4 This is a schematic diagram of the assembly of the retaining base, tooth transmission disc, and rotating rod of this utility model.

[0030] Figure 5 This is a schematic diagram of the metronome structure of this utility model;

[0031] Figure 6This is a schematic diagram of the assembly structure of the sound collector cover 1, sound collector cover 2, and mounting plate of this utility model;

[0032] Figure 7 This is a schematic diagram of the meshing structure of the teeth and tooth transmission disc of this utility model;

[0033] Figure 8 This is an exploded view of the plug-in tube and plug-in rod structure of this utility model.

[0034] Explanation of markings in the diagram: 100, Metronome body; 110, Protective cover; 120, Pendulum; 121, Counterweight; 122, Marker line; 130, Sound outlet cavity; 140, Storage chamber; 150, Bottom groove; 151, Limiting ring groove; 160, Magnetic suction groove; 170, Loading vertical groove; 200, Stabilizing base; 210, Counterweight plate; 220, Suction cup; 230, Connecting drum; 231, Limiting slip ring; 240, Magnetic component; 300 1. Sound collector cover one; 310. Sound collector cover two; 320. Mounting plate; 400. Pull plate; 410. Tooth; 420. Rotating rod; 430. Tooth transmission plate; 440. Support base; 441. Abutting arc surface; 450. Fixed base; 460. Auxiliary support; 470. Insertion tube; 471. Insertion hole; 500. Pushing main rod; 510. Connecting long plate; 520. Elastic element; 530. Anti-deviation support rod; 540. Insertion rod; 600. Coil spring. Detailed Implementation

[0035] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0036] In the description of the embodiments of this utility model, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0038] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0039] The following disclosure provides many different implementations or examples for different structures of the embodiments of the present invention. To simplify the disclosure of the embodiments of the present invention, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. Furthermore, reference numerals and / or reference letters may be repeated in different examples of the embodiments of the present invention; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various implementations and / or arrangements discussed.

[0040] To better understand the purpose, structure, and function of this utility model, the following description, in conjunction with the accompanying drawings, provides a more detailed account of an auxiliary metronome for sight-singing and ear training.

[0041] like Figures 1-8 As shown, this utility model discloses an auxiliary metronome for sight-singing and ear training, including a metronome body 100 for assisting in mastering rhythm and tempo during sight-singing and ear training; the metronome body 100 is an instrument that uses the isochronism of a pendulum to control the beat sound for timing.

[0042] The metronome 100 provides a stable and accurate rhythm reference, helping learners to accurately grasp and internalize the beat and rhythm of music. At the same time, a pendulum part 120 is movably mounted on the front side of the metronome 100. To protect the pendulum part 120 and prevent other objects from contacting it when it is not in use and causing damage to the pendulum part 120, a protective cover 110 is movably connected to the front side of the metronome 100. The protective cover 110 and the opposite side of the metronome 100 are interlocked.

[0043] As an optional implementation, continue to combine with reference Figure 1 and Figure 2 The protective cover 110 is made of transparent plastic material, which reduces its weight and lowers the cost of use.

[0044] In practical applications, the metronome body 100 is connected to the protective cover 110. After the protective cover 110 is held and removed from the metronome body 100, the user can wind up the mainspring on the metronome body 100 and then flick the pendulum part 120 to practice the beat.

[0045] A counterweight 121 is movably mounted on the surface of the pendulum part 120, wherein the counterweight 121 can be linearly displaced on the pendulum part 120.

[0046] In practical applications, the counterweight 121 can increase the weight of the pendulum part 120 and move up and down on the surface of the pendulum part 120. When the pendulum part 120 swings, the swing period can be changed by changing the position of the counterweight 121 relative to the pendulum part 120, thereby adjusting the speed of the beat.

[0047] The front surface of the metronome body 100 is provided with a marking line 122, which is used in conjunction with the counterweight 121. The marking line 122 is adjusted to be in the position of the pendulum part 120 according to the scale marking of the counterweight 121.

[0048] Removing the protective cover 110 reveals a marking line 122. This line indicates the number of beats per minute (n) emitted by the pendulum during its oscillation. One part of the pendulum is a bob 120, and on the bob 120 is a counterweight 121 that can move up and down. The number on the scale corresponding to the position of the counterweight 121 indicates the number of beats per minute the pendulum oscillates. A single full oscillation consists of two beats, from which the period T of the pendulum can be calculated.

[0049] T = (2 × 60) / n (seconds)

[0050] Changing the position of the pendulum can change its oscillation period.

[0051] For convenient timekeeping, a bell and an adjusting lever are installed at the lower part of the metronome body 100, allowing the bell to ring once every few beats. By remembering the number of beats it takes for the bell to ring once, the time interval t can be calculated.

[0052] t = T / 2 × R = 60 / (n / R) (seconds)

[0053] R represents the number of beats for one ring. Adjusting the position of the lever changes the number of beats for one ring. If you don't need the ringing sound, simply push the lever all the way in.

[0054] Before use, wind the mainspring, being careful not to wind it too tightly. Adjust the beats per minute and ringing frequency according to the experimental requirements. The metronome should be placed horizontally, and the amplitude of the swing should not be too large. After use, allow the mainspring to unwind and take care of its maintenance.

[0055] In summary, the metronome is an ingenious device that combines mechanical aesthetics and practical function. Each of its components works together to provide musicians with an indispensable rhythmic aid.

[0056] The metronome 100 is a pendulum metronome, also known as a mechanical metronome or metronome, a device used to maintain musical rhythm. Its working principle is based on a physical pendulum 120 and a spring mechanism. When activated, the internal spring is wound, and energy is gradually released through an escapement mechanism. The escapement mechanism allows the pendulum 120 to swing back and forth once at fixed intervals, producing a ticking or clicking sound to mark the passage of time. The length of the pendulum 120 can be adjusted by a counterweight 121, thereby changing the oscillation period and thus the number of beats per minute. A longer pendulum 120 will have a slower oscillation speed, while a shorter pendulum 120 will have a faster oscillation speed.

[0057] Therefore, the metronome 100 provides musicians with a stable reference rhythm, helping them maintain accurate tempo during music rhythm practice and ensuring consistency in performance between different parts.

[0058] In this technical solution, the internal structure of the metronome 100 is existing technology, and this solution will not describe its specific internal structure in detail.

[0059] The metronome body 100 has a sound outlet cavity 130 extending through its front bottom. A sound collector 300 is movably fitted inside the sound outlet cavity 130 to amplify and optimize the beat sound, making it clearer and more focused for the user. To increase the stability of the metronome body 100, a stabilizing base 200 is connected to the bottom of the metronome body 100. Magnetic components 240 are connected to both ends of the stabilizing base 200. At the same time, magnetic grooves 160 are provided at both ends of the bottom of the metronome body 100 to cooperate with the magnetic components 240. Magnetic blocks are embedded in the magnetic grooves 160, and the magnetic blocks attract the magnetic components 240 that enter the magnetic grooves 160, thereby connecting the metronome body 100 and the stabilizing base 200.

[0060] In practical applications, by attaching the end of the stabilizing base 200 to the bottom of the metronome body 100, the magnetic suction component 240 is inserted into the magnetic suction groove 160. At this time, the magnetic suction component 240 attracts the magnetic block in the magnetic suction groove 160, thus fixing the stabilizing base 200 to the surface of the metronome body 100.

[0061] In specific implementation, the magnetic suction component 240 and the stabilizing base 200 can be set according to the specific situation. For example, the magnetic suction component 240 and the stabilizing base 200 can be set as a whole, or the magnetic suction component 240 and the stabilizing base 200 can be fixedly snapped together.

[0062] The bottom center of the metronome body 100 is provided with a bottom groove 150. At the same time, the end of the stabilizing base 200 is connected to a connecting rotating cylinder 230, which extends into the inner cavity of the bottom groove 150 and is in rotational contact with it.

[0063] A limiting annular groove 151 is formed on the surface of the metronome body 100 and in the inner cavity of the bottom groove 150, while a limiting slip ring 231 is sleeved on the outer surface of the connecting rotating cylinder 230. The limiting annular groove 151 and the limiting slip ring 231 are used in cooperation. When the connecting rotating cylinder 230 is set in the inner cavity of the bottom groove 150, the limiting slip ring 231 extends into the inner cavity of the limiting annular groove 151 and is in rotational contact with it.

[0064] In practical applications, the connecting drum 230 extends into the inner cavity of the bottom groove 150 and the two are in sliding contact, while the limiting slip ring 231 extends into the inner cavity of the limiting ring groove 151, which can prevent the stabilizing base 200 from detaching from the metronome body 100 at will and increase the stability between the two.

[0065] A counterweight plate 210 is embedded in the center of the bottom of the stabilizing base 200. The counterweight plate 210 is used to increase the weight of the stabilizing base 200, thereby increasing the stability of the metronome body 100. At the same time, suction cups 220 are installed around the bottom of the metronome body 100.

[0066] In practical applications, by applying a certain amount of water to the surface of the placement platform, the counterweight plate 210 is placed on the placement platform. The suction cup 220 can strongly adhere the stabilizing base 200 to the surface of the placement platform under the action of the water, and together with the counterweight plate 210, it increases the stability of the metronome body 100, thereby preventing the metronome body 100 from shaking randomly under force.

[0067] A coil spring 600 is installed at the end of the inner cavity of the connecting drum 230, and one end of the coil spring 600 is connected to the end of the inner cavity of the bottom groove 150. Therefore, when the stabilizing base 200 is fixed on the placement table by the suction cup 220 and the counterweight plate 210, the metronome body 100 can still be rotated, which makes it convenient for the user to adjust the position of the metronome body 100 so as to operate the adjustment knobs on its side and back. At the same time, when the metronome body 100 is rotated, the coil spring 600 stores force in the process. Therefore, when the rotation of the metronome body 100 is released, the metronome body 100 can automatically return to the stabilizing base 200, reducing the need for the user to adjust the metronome body 100 back and forth.

[0068] like Figure 6 As shown, a second sound collector 310 is slidably sleeved on one end of the first sound collector 300, while an installation plate 320 is fitted on the other end of the first sound collector 300. The installation plate 320 is made of elastic rubber and can be inserted into the sound outlet cavity 130 to stably install the stabilizing base 200 at the sound outlet cavity 130.

[0069] Sound collector 1 300 and sound collector 2 310 work together, both horn-shaped, to function as acoustic amplifiers, focusing and amplifying the ticking sound generated inside the metronome body 100. This design helps to propagate sound more effectively into the environment, allowing users to hear the beat clearly over a wider range.

[0070] The design of the horn shape can affect the frequency response of sound, helping to smooth and enrich the quality of the sound. It can reduce unwanted harmonic distortion, making the beat sound cleaner and clearer, which is very important for music practice that requires high-precision auditory feedback, especially in sight-singing and ear training.

[0071] By optimizing the sound exit path, the horn-shaped sound collector 300 and sound collector 310 help reduce sound radiation from non-target directions, thereby reducing background noise interference. This is particularly useful when using the metronome 100 in noisy environments, ensuring that the user can focus on the beat and improve the efficiency of sight-singing and ear training.

[0072] The metronome body 100 is equipped with a tension locking assembly at its end. The tension locking assembly is used to lock and protect the pendulum part 120 to prevent it from swinging randomly when it is not in operation. The metronome body 100 is provided with a storage chamber 140 at its end, which is used to assemble the components of the tension locking assembly.

[0073] The tension locking assembly can lock the pendulum part 120 in a free state. In the event of shaking or during transport, locking it protects the metronome body 100 from impact or tilting, which could cause the pendulum part 120 to swing unexpectedly, thus effectively avoiding the risk of damage to the pendulum part 120.

[0074] Specifically, the tension locking assembly includes a retaining seat 440 for locking the pendulum part and a pull plate 400 for adjusting its posture; wherein, the retaining seat 440 is two symmetrically arranged along the center line of the pendulum part; and the pull plate 400 is disposed in the inner cavity of the receiving chamber 140.

[0075] The surface of the pull plate 400 is die-cut to form an abutting arc surface 441. When the two abutting seats 440 are subjected to force and rotate relative to each other, the abutting arc surface 441 can fit against the surface of the pendulum part 120, thereby effectively locking and protecting the pendulum part 120.

[0076] At the same time, several teeth 410 are symmetrically arranged at both ends of the surface of the pull plate 400 along the central axis, and the teeth 410 are used in conjunction with the tooth transmission disc 430.

[0077] The tension locking assembly also includes a rotating rod 420, wherein the shaft end of the rotating rod 420 is connected to the surface of the abutment 440, and the other shaft end of the rotating rod 420 extends into the inner cavity of the receiving chamber 140. A toothed transmission disc 430 is sleeved on the surface of the rotating rod 420 and located in the inner cavity of the receiving chamber 140, and both toothed transmission discs 430 mesh with the teeth 410 on the pull plate 400.

[0078] In order to provide auxiliary support for the pull plate 400, an auxiliary support part 460 is provided on the front side of the pull plate 400, and a loading vertical groove 170 is provided on the inner surface of the metronome body 100 and on the front side of the inner cavity of the storage chamber 140, wherein the auxiliary support part 460 is provided in the loading vertical groove 170.

[0079] The auxiliary support 460 consists of a fixed block, a spring, and a straight rod. The fixed block is connected to the tooth 410, and the surface of the fixed block extends into the inner cavity of the loading vertical groove 170 and slides in contact with its inner wall. One end of the spring and one end of the straight rod are installed at the bottom of the inner cavity of the loading vertical groove 170. The end of the spring is connected to the fixed block, and the straight rod is located on the inner surface of the spring. The end of the straight rod passes through the fixed block and is connected to the inner wall of the end of the loading vertical groove 170.

[0080] In this way, the pull plate 400 is provided with auxiliary support and limit, so that the user can linearly and stably stretch the pull plate 400 to adjust the position of the retaining seat 440.

[0081] The end of the rotating rod 420 away from the abutment 440 is connected to a plug-in tube 470. The inner surface of the plug-in tube 470 is provided with a plug-in hole 471, which is used in conjunction with the plug-in rod 540. The surface of the rotating rod 420 is movably fitted with a fixed seat 450 through a bearing. The fixed seat 450 is located in the inner cavity of the receiving chamber 140, thereby providing auxiliary support for the rotating rod 420.

[0082] As a further optimization of this solution, the surface of the plug rod 540 is covered with an anti-slip sleeve, which can increase the friction between the plug tube 470 and the plug rod 540 when the plug rod 540 enters the plug hole 471, thereby further increasing the stability of the plug rod 540 in limiting the plug tube 470.

[0083] Meanwhile, the tension locking assembly also includes a plug rod 540, which extends into the inner cavity of the plug hole 471 and fixes the plug cylinder 470, thereby fixing the rotating rod 420. The surface shaft end of the plug rod 540 is connected to a connecting plate 510, wherein the two plug rods 540 are connected together to form a whole through the connecting plate 510.

[0084] A push rod 500 is fixed at the center of the surface of the connecting plate 510, and the shaft end of the push rod 500 extends through to the rear side of the storage chamber 140 and is connected to a drive handle.

[0085] In practical applications, the drive handle is connected to the push rod 500, so that the push rod 500 can be driven by the drive handle, which in turn drives the connecting plate 510 and the anti-deviation support rod 530 of the push rod 500 to move, thereby adjusting the state of the plug rod 540 so that it enters or leaves the plug hole 471. In this way, the plug tube 470 is limited or released from the limit, thereby preventing the rotating rod 420 from arbitrarily driving the abutment 440 to rotate.

[0086] As an optional implementation, continue to combine with reference Figure 7 and Figure 8 The drive handle is coaxially set with the push rod 500, and the outer diameter of the drive handle is larger than that of the metronome body 100.

[0087] Anti-deviation support rods 530 are symmetrically arranged through both ends of the surface of the connecting plate 510. The shaft end of the anti-deviation support rod 530 is connected to the inner wall of the receiving chamber 140, and the anti-deviation support rod 530 and the connecting plate 510 are in sliding contact. In this way, under the action of the anti-deviation support rod 530, the stability of the sliding of the connecting plate 510 is increased, and the connecting plate 510 is prevented from shifting, which would prevent the insertion rod 540 from being inserted into the insertion hole 471.

[0088] An elastic element 520 is installed on the surface of the connecting plate 510 and on one side of the anti-deviation support rod 530. The elastic element 520 is composed of a telescopic spring and a damping rod. The two ends of the telescopic spring are connected to the surface of the connecting plate 510 and the inner wall of the receiving chamber 140, respectively. Therefore, after the main rod 500 is pushed to stretch the elastic element 520, when it is released, the elastic element 520 can drive the plug rod 540 to reset and insert into the plug tube 470, thereby limiting the plug tube 470 and the matching anti-locking seat 440. In this way, the position of the anti-locking seat 440 is effectively adjusted, and then the pendulum part 120 is effectively locked and protected.

[0089] The working principle of an auxiliary metronome for sight-singing and ear training: Sound collectors 300 and 310 within the sound cavity 130 work together to amplify and optimize the beat sound, making it clearer to the user. A stabilizing base 200, magnetic attachment 240, magnetic groove 160, suction cup 220, and counterweight 210 ensure the stability of the entire device, while a coil spring 600 allows the metronome body 100 to automatically return to its original position after rotating on the stabilizing base 200. A tension-type locking assembly locks the pendulum 120 in the non-operating state to prevent accidental swinging. Through the coordinated work of these components, the metronome provides a stable and accurate rhythmic reference for music practice.

[0090] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. An auxiliary metronome for sight-singing and ear training, characterized in that: The metronome (100) is used to assist in the training of sight-singing and ear training in mastering beat and rhythm. The metronome (100) has a sound outlet cavity (130) through the bottom front side. The sound outlet cavity (130) is equipped with a sound collector (300) to amplify and optimize the beat sound, so that it is transmitted to the user more clearly and in a concentrated manner. Meanwhile, a pendulum part (120) is movably mounted on the front side of the metronome body (100), and a tension locking assembly is installed at the end of the metronome body (100). The tension locking assembly is used to lock and protect the pendulum part (120). A storage chamber (140) is opened at the end of the metronome body (100), and the storage chamber (140) is used to assemble the components of the tension locking assembly.

2. The auxiliary metronome for sight-singing and ear training according to claim 1, characterized in that: A protective cover (110) is movably connected to the front side of the metronome body (100); A counterweight (121) is movably mounted on the surface of the pendulum part (120), wherein the counterweight (121) can be linearly displaced on the pendulum part (120); The front surface of the metronome body (100) is provided with a marking line (122), and the marking line (122) is used in conjunction with the counterweight (121). The marking line (122) is adjusted to be in the position of the pendulum part (120) according to the scale marking of the counterweight (121).

3. The auxiliary metronome for sight-singing and ear training according to claim 2, characterized in that: The bottom of the metronome body (100) is connected to a stabilizing base (200), and the ends of the stabilizing base (200) are connected to magnetic suction components (240). At the same time, both ends of the bottom of the metronome body (100) are provided with magnetic suction grooves (160) that cooperate with the magnetic suction components (240). A magnetic block is embedded in the magnetic suction groove (160), and the magnetic block attracts the magnetic suction component (240) that enters the magnetic suction groove (160).

4. The auxiliary metronome for sight-singing and ear training according to claim 3, characterized in that: The bottom center of the metronome body (100) is provided with a bottom groove (150), and at the same time, the end of the stabilizing base (200) is connected to a connecting rotating cylinder (230). A limiting ring groove (151) is formed on the surface of the metronome body (100) and in the inner cavity of the bottom groove (150). A limiting slip ring (231) is fitted on the outer surface of the connecting drum (230). The limiting ring groove (151) and the limiting slip ring (231) are used together. When the connecting drum (230) is set in the inner cavity of the bottom groove (150), the limiting slip ring (231) extends into the inner cavity of the limiting ring groove (151) and is in rotational contact with it.

5. The auxiliary metronome for sight-singing and ear training according to claim 4, characterized in that: A counterweight plate (210) is embedded in the center of the bottom of the stabilizing base (200), and the counterweight plate (210) is used to increase the weight of the stabilizing base (200), thereby increasing the stability of the metronome body (100). At the same time, suction cups (220) are installed around the bottom of the metronome body (100).

6. The auxiliary metronome for sight-singing and ear training according to claim 5, characterized in that: A coil spring (600) is installed at the end of the inner cavity of the connecting drum (230), and one end of the coil spring (600) is connected to the end of the inner cavity of the bottom groove (150). One end of the sound collector cover (300) is slidably sleeved with the sound collector cover (310), while the other end of the sound collector cover (300) is fitted with an installation plate (320).

7. The auxiliary metronome for sight-singing and ear training according to claim 6, characterized in that: The tension locking assembly includes a retaining seat (440) for locking the pendulum part and a pull plate (400) for adjusting its posture; wherein, the retaining seat (440) is two symmetrically arranged along the center line of the pendulum part; and the pull plate (400) is disposed in the inner cavity of the receiving chamber (140). The surface of the pull plate (400) is die-cut to form an abutting arc surface (441); Meanwhile, several teeth (410) are symmetrically arranged at both ends of the surface of the pull plate (400) along the central axis.

8. The auxiliary metronome for sight-singing and ear training according to claim 7, characterized in that: The tension locking assembly further includes a rotating rod (420), wherein the shaft end of the rotating rod (420) is connected to the surface of the abutment (440), and a toothed transmission disc (430) is sleeved on the surface of the rotating rod (420), and both toothed transmission discs (430) mesh with the teeth (410) on the pull plate (400).

9. The auxiliary metronome for sight-singing and ear training according to claim 8, characterized in that: The end of the rotating rod (420) away from the abutment (440) is connected to a plug tube (470), wherein the inner surface of the plug tube (470) is provided with a plug hole (471), and the surface of the rotating rod (420) is movably fitted with a fixed seat (450) through a bearing; Meanwhile, the tension locking assembly also includes a plug rod (540), and the surface shaft end of the plug rod (540) is connected to a connecting plate (510).

10. The auxiliary metronome for sight-singing and ear training according to claim 9, characterized in that: A push rod (500) is fixed at the center of the surface of the connecting plate (510), and anti-deviation support rods (530) are symmetrically arranged through both ends of the surface of the connecting plate (510). An elastic element (520) is installed on the surface of the connecting plate (510) and on one side of the anti-deviation support rod (530).

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