CN209842348U

CN209842348U - Music teaching metronome

Info

Publication number: CN209842348U
Application number: CN201920892488.1U
Authority: CN
Inventors: 刘峥
Original assignee: Jinzhong University
Current assignee: Jinzhong University
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2019-12-24
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a music teaching metronome, the on-line screen storage device comprises a base, the top outer wall of base has the metronome shell through the bolt fastening, the rectangle recess has been seted up to one side outer wall of metronome shell, the inner wall sculpture of rectangle recess has the scale, the arc opening has all been seted up to the both sides inner wall of metronome shell, and two arc open-ended inner walls articulate respectively has first safety cover and second safety cover, first safety cover is close to one side outer wall of second safety cover and has seted up the spout, and the outer wall sliding connection of second safety cover is on the inner wall of spout. The utility model discloses a set up first safety cover and the second safety cover that can accomodate on the metronome shell, the dust of protecting the pendulum through the safety cover and avoiding the classroom falls on the pendulum and leads to the pendulum to appear the error, through the supporting legs that sets up convenient regulation at the base, whether level that the convenient monitoring metronome of rethread horizontal mechanism was placed.

Description

Music teaching metronome

Technical Field

The utility model relates to a teaching articles for use technical field especially relates to a music teaching metronome.

Background

Metronomes are mechanical, electrical or electronic devices that can deliver a steady beat at various speeds, of which many are used after 1696 in paris e.lull, the first metronome, the most commonly used being the metronome invented by oelandies j.n. melzel in 1816. The metronome of Mei Er Ju Er is pyramid-shaped in appearance, and the inside is clock structure, has gear and clockwork spring, drives a pendulum rod, and the pendulum rod sends sharp "drips" sound at the end of every swing, and the speed of these drips can reciprocate the pendulum according to the vernier scale of carving on the pendulum rod, adjusts, and its speed is 40 ~ 210 beats per minute.

The existing metronome is exposed in the air when using a clock pendulum, a lot of dust exists in a classroom, the clock pendulum testing error is increased when the dust is adhered to the clock pendulum, and the offset angle of the clock pendulum is changed if the existing metronome is not placed horizontally.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a music teaching metronome.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a metronome shell is fixed on the outer wall of the top of the base through bolts, a rectangular groove is formed in the outer wall of one side of the metronome shell, scales are etched on the inner wall of the rectangular groove, arc-shaped openings are formed in the inner walls of two sides of the metronome shell, a first protective cover and a second protective cover are hinged on the inner walls of the two arc-shaped openings respectively, a chute is formed in the outer wall of one side, close to the second protective cover, of the first protective cover, the outer wall of the second protective cover is connected to the inner wall of the chute in a sliding manner, first screw holes are formed in the outer wall of the first protective cover and the outer wall of the second protective cover, bolt mechanisms are screwed on the inner walls of the two first screw holes, supports are fixed on two sides of the outer wall of the bottom of the base through bolts, second screw holes are formed in the outer walls of the bottoms of the two supports, supporting, the opening has been seted up to one side outer wall of base, and the open-ended inner wall is provided with horizontal mechanism, the mounting groove has been seted up to one side outer wall of base, and the inner wall of mounting groove passes through the bolt fastening and has bluetooth speaker.

Preferably, the inner walls of the two sides of the rectangular groove are both fixed with mounting plates through bolts, and the outer wall of one side, close to the metronome shell, of the two mounting plates is both fixed with an LED lamp strip through bolts.

Preferably, the bolt mechanism comprises a screw, a U-shaped magnet is fixed at one end of the screw through a bolt, and the magnetism of the two U-shaped magnets is opposite.

Preferably, a pendulum is arranged on the inner wall of the bottom of the rectangular groove, a rudder disc is arranged on the outer wall of the pendulum, and a small lamp bead is embedded on the outer wall of the rudder disc.

Preferably, the horizontal mechanism comprises a glass tube, and the glass tube contains water inside.

Preferably, the LED lamp strip and the small lamp beads are connected with the switch through wires, and the switch is connected with the microprocessor through the wires.

The utility model has the advantages that:

1. this music teaching metronome through set up first safety cover and the second safety cover that can accomodate on the metronome shell, protects the pendulum through the safety cover and avoids the dust in classroom to fall on the pendulum and lead to the pendulum to go wrong, links through two U-shaped magnet and fixes the pendulum again, avoids the metronome problem that the pendulum rocked at the in-process of taking.

2. This music teaching metronome through the supporting legs that sets up convenient regulation at the base, and whether level that the convenient monitoring metronome of rethread water flat-bed machine constructs is placed is provided with the position that little lamp pearl is convenient to look over the steering wheel when light is not enough on the steering wheel again, and the convenient broadcast music of bluetooth speaker of installation on the base.

Drawings

Fig. 1 is a schematic view of a main view structure of a music teaching metronome provided by the present invention;

fig. 2 is the utility model provides a music teaching metronome's half section structure sketch map.

In the figure: the device comprises a base 1, a metronome shell 2, a first protective cover 3, a second protective cover 4, a bolt mechanism 5, supporting legs 6, a horizontal mechanism 7, a pendulum 8, a rudder disc 9, a mounting plate 10, a scale 11 and a Bluetooth sound box 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a music teaching metronome comprises a base 1, wherein a metronome shell 2 is fixed on the outer wall of the top of the base 1 through bolts, a rectangular groove is arranged on the outer wall of one side of the metronome shell 2, scales 11 are etched on the inner wall of the rectangular groove, arc-shaped openings are arranged on the inner walls of two sides of the metronome shell 2, the inner walls of the two arc-shaped openings are respectively hinged with a first protective cover 3 and a second protective cover 4, a chute is arranged on the outer wall of one side of the first protective cover 3 close to the second protective cover 4, the outer wall of the second protective cover 4 is connected on the inner wall of the chute in a sliding manner, first screw holes are arranged on the outer wall of the first protective cover 3 and the outer wall of the second protective cover 4, bolt mechanisms 5 are screwed on the inner walls of the two first screw holes, supports are fixed on two sides of the outer, the inner walls of the two second screw holes are respectively in threaded connection with a supporting leg 6, the outer wall of one side of the base 1 is provided with an opening, the inner wall of the opening is provided with a horizontal mechanism 7, the outer wall of one side of the base 1 is provided with a mounting groove, the inner wall of the mounting groove is fixedly provided with a Bluetooth sound box 12 through a bolt, the inner walls of two sides of the rectangular groove are respectively fixedly provided with a mounting plate 10 through bolts, the outer wall of one side, close to the metronome shell 2, of each mounting plate 10 is fixedly provided with an LED lamp strip through a bolt, each bolt mechanism 5 comprises a screw rod, one end of each screw rod is fixedly provided with a U-shaped magnet through a bolt, the magnetism of the two U-shaped magnets is opposite, the inner wall of the bottom of the rectangular groove is provided with a pendulum 8, the outer wall of the pendulum 8 is provided with a steering wheel 9, the outer wall of, and the switch is connected with a microprocessor through a lead, the model of the microprocessor is ARM9TDMI, and the model of the Bluetooth sound box is SRS-HG 10.

The working principle is as follows: during the use, put the metronome in appointed position earlier, judge whether the metronome is put horizontally through observing the air level on the horizontal mechanism 7, do not go up the level and put the level through adjusting supporting legs 6 with the metronome, then twist bolt mechanism 5 and remove the fixed of pendulum 8, then pull open first safety cover 3 and second safety cover 4 to both sides. At this moment, the metronome can be used, the scales 11 on the metronome can be conveniently observed through the LED lamp strip on the metronome, and the position of the steering wheel 9 can be conveniently determined through the small lamp beads on the steering wheel 9 when the light is insufficient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The music teaching metronome comprises a base (1) and is characterized in that a metronome shell (2) is fixed on the outer wall of the top of the base (1) through bolts, a rectangular groove is formed in the outer wall of one side of the metronome shell (2), scales (11) are etched on the inner wall of the rectangular groove, arc-shaped openings are formed in the inner walls of the two sides of the metronome shell (2), the inner walls of the two arc-shaped openings are respectively hinged with a first protective cover (3) and a second protective cover (4), a chute is formed in the outer wall of one side, close to the second protective cover (4), of the first protective cover (3), the outer wall of the second protective cover (4) is connected to the inner wall of the chute in a sliding manner, first screw holes are formed in the outer wall of the first protective cover (3) and the outer wall of the second protective cover (4), and bolt mechanisms (5) are screwed on the inner, the both sides of base (1) bottom outer wall all are fixed with the support through the bolt, and the bottom outer wall of two supports has seted up the second screw, and the equal spiro union of inner wall of two second screws has supporting legs (6), the opening has been seted up to one side outer wall of base (1), and the open-ended inner wall is provided with horizontal mechanism (7), the mounting groove has been seted up to one side outer wall of base (1), and the inner wall of mounting groove passes through the bolt fastening and has bluetooth speaker (12).

2. The music teaching metronome according to claim 1, characterized in that the inner walls of both sides of the rectangular groove are both fixed with mounting plates (10) by bolts, and the outer walls of both mounting plates (10) on the side close to the metronome housing (2) are both fixed with LED lamp strips by bolts.

3. The music teaching metronome according to claim 1, wherein the bolt mechanism (5) comprises a screw rod, and one end of the screw rod is fixed with a U-shaped magnet through a bolt, and the two U-shaped magnets have opposite magnetism.

4. The music teaching metronome according to claim 1, characterized in that the bottom inner wall of the rectangular groove is provided with a pendulum (8), the outer wall of the pendulum (8) is provided with a rudder plate (9), and the outer wall of the rudder plate (9) is embedded with a small lamp bead.

5. A music teaching metronome according to claim 1, characterized in that the horizontal mechanism (7) comprises a glass tube with water inside.

6. The music teaching metronome according to claim 2, wherein the LED strip, the bluetooth speaker (12) and the small light bulb are connected to a switch through wires, and the switch is connected to a microprocessor through wires.