CN213582666U

CN213582666U - Metronome is used in music teaching

Info

Publication number: CN213582666U
Application number: CN202022637414.9U
Authority: CN
Inventors: 林涛
Original assignee: Suzhou Industrial Park Institute of Services Outsourcing
Current assignee: Suzhou Industrial Park Institute of Services Outsourcing
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-06-29
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a metronome is used in music teaching relates to music teaching field, the power distribution box comprises a box body, inside one side of box is provided with the pivot, the both ends of pivot are all through the both ends inner wall swing joint of bearing with the box, the first annular slab of one end outside fixedly connected with of pivot, the outside middle part fixedly connected with second annular slab of pivot, the other end outside fixedly connected with third annular slab of pivot, the outside top fixedly connected with round bar of first annular slab. The utility model discloses a set up in the round bar of different quantity on the arc at a plurality of annular slabs of pivot outside fixedly connected with, rotate the one end contact that makes the round bar and the movable box go up the movable rod that sets up through the pivot, make the movable rod rotate, and then make the other end of movable rod strike the castanet, beat, through removing the movable box, make things convenient for the teacher to pass through the position of adjusting the movable box, realize the beat sound of different rates, improved teaching efficiency.

Description

Metronome is used in music teaching

Technical Field

The utility model relates to a music teaching field, in particular to metronome is used in music teaching.

Background

The metronome is an electronic metronome and a mechanical metronome, and is a mechanical, electric or electronic device capable of giving out a stable rhythm at various speeds.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metronome is used in music teaching to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a metronome for music teaching comprises a box body, wherein a rotating shaft is arranged on one side in the box body, two ends of the rotating shaft are movably connected with inner walls of two ends of the box body through bearings, a first annular plate is fixedly connected to the outer side of one end of the rotating shaft, a second annular plate is fixedly connected to the middle part of the outer side of the rotating shaft, a third annular plate is fixedly connected to the outer side of the other end of the rotating shaft, a round rod is fixedly connected to the top end of the outer side of the first annular plate, one end of the round rod, far away from the first annular plate, is arc-shaped, round rods are fixedly connected to the top end and the bottom end of the outer side of the second annular plate, three round rods distributed in an annular array are fixedly connected to the outer side of the third annular plate, a movable box is arranged on the other side in the box body, an opening is, the middle part of movable rod is through round pin axle and open-ended both ends inner wall swing joint, the top inner wall middle part fixedly connected with connecting rod of activity case, the bottom fixedly connected with castanet of connecting rod, the one end of movable rod extends to the activity incasement portion, the other end of movable rod extends to the activity incasement outside, one side one end fixedly connected with ball hammer of movable rod, the opposite side one end fixedly connected with reset spring of movable rod, reset spring keeps away from the one end of movable rod and the bottom inner wall fixed connection of activity case.

Preferably, the top middle part fixedly connected with slider of activity case, the spout with slider looks adaptation is seted up to upper surface one side of box, the one end of slider runs through the spout and extends to the box outside.

Preferably, a fixed block is fixedly connected to the surface of one side, away from the rotating shaft, of the movable box, slide bar grooves are formed in two ends of one side of the fixed block, and slide bars matched with the slide bar grooves are arranged in the slide bar grooves.

Preferably, both ends of the sliding rod extend to the outer side of the fixed block and are fixedly connected with the inner walls of the two ends of the box body respectively.

Preferably, ball grooves are formed in four corners of the lower surface of the movable box, balls matched with the ball grooves are arranged in the ball grooves, and the outer sides of the balls are attached to the inner wall of the bottom end of the box body.

Preferably, the slider is kept away from the one end fixedly connected with limiting plate of activity case, first inserted bar groove has all been seted up at the upper surface both ends of limiting plate, be provided with the inserted bar rather than the looks adaptation in the first inserted bar groove, six rectangular array distribution's second inserted bar grooves are seted up to box upper surface one side.

Preferably, the one end of inserted bar runs through first inserted bar groove and second inserted bar groove in proper order and extends to inside the box, box one end one side fixedly connected with driving motor, driving motor's output and pivot fixed connection.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a fixedly connected with a plurality of annular plates outside the pivot, set up in the round bar of different quantity on the arc, rotate through the pivot and make the round bar contact with the one end of the movable rod that sets up on the activity case, make the movable rod rotate, and then make the other end of movable rod strike the castanets, beat, through removing the activity case, make things convenient for the teacher to realize the beat sound of different rates through the position of adjusting the activity case, improved teaching efficiency;

2. the utility model discloses a be provided with slider and limiting plate on the activity case, through limiting plate and inserted bar cooperation with the rigidity of activity case, prevent that this device from taking place the displacement at the during operation activity case, improved the stability of this device, through being provided with a plurality of balls at activity bottom of the case portion, reduced the frictional force between activity case and the box, make things convenient for the teacher to remove the activity case, improved the practicality of this device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic side sectional view of the overall structure of the present invention.

Fig. 3 is a schematic top view of the overall structure of the present invention.

Fig. 4 is a schematic side sectional view of the first annular plate structure of the present invention.

Fig. 5 is a schematic side sectional view of a second annular plate structure of the present invention.

Fig. 6 is a schematic side sectional view of a third annular plate structure of the present invention.

In the figure: 1. a box body; 2. a rotating shaft; 3. a first annular plate; 4. a second annular plate; 5. a third annular plate; 6. a round bar; 7. a movable box; 8. an opening; 9. a movable rod; 10. a connecting rod; 11. a soundboard; 12. a ball hammer; 13. a return spring; 14. a slider; 15. a chute; 16. a fixed block; 17. a slide bar slot; 18. a slide bar; 19. a ball groove; 20. a ball bearing; 21. a limiting plate; 22. a first plunger slot; 23. inserting a rod; 24. a second slot for a rod; 25. the motor is driven.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a metronome for music teaching as shown in figures 1-6, which comprises a box body 1, a rotating shaft 2 is arranged at one side inside the box body 1, both ends of the rotating shaft 2 are movably connected with the inner walls of both ends of the box body 1 through bearings, a first annular plate 3 is fixedly connected with the outer side of one end of the rotating shaft 2, the ball hammer 12 at one end of a movable rod 9 can knock the castanets 11 once per circle of rotation of the first annular plate 3 to form beat sound, a second annular plate 4 is fixedly connected with the middle part of the outer side of the rotating shaft 2, the ball hammer 12 at one end of the movable rod 9 can knock the castanets 11 twice per circle of rotation of the second annular plate 4 to form beat sound with different speeds, a third annular plate 5 is fixedly connected with the outer side of the other end of the rotating shaft 2, the ball hammer 12 at one end of the movable rod 9 can knock the castanets 11 three times per circle of rotation of the third, the top end of the outer side of the first annular plate 3 is fixedly connected with a round bar 6, one end of the round bar 6, which is far away from the first annular plate 3, is arranged into an arc shape, the top end and the bottom end of the outer side of the second annular plate 4 are fixedly connected with the round bar 6, the outer side of the third annular plate 5 is fixedly connected with three round bars 6 distributed in an annular array, the other side of the inner part of the box body 1 is provided with a movable box 7, a teacher realizes beat sound with different speeds by adjusting the position of the movable box 7, one side surface of the movable box 7, which is close to the rotating shaft 2, is provided with an opening 8, a movable bar 9 is arranged in the opening 8, the middle part of the movable bar 9 is movably connected with the inner walls at two ends of the opening 8 through a pin shaft, the round bar 6 is contacted with one end of the movable bar 9 arranged on the movable box 7 through the rotation of the rotating shaft 2, the movable bar 9 rotates, bottom fixedly connected with castanets 11 of connecting rod 10, the one end of movable rod 9 extends to inside 7 movable box, the other end of movable rod 9 extends to the 7 outsides of movable box, one side one end fixedly connected with ball hammer 12 of movable rod 9, strike castanets 11 through ball hammer 12 and form the beat sound, opposite side one end fixedly connected with reset spring 13 of movable rod 9, reset spring 13 keeps away from the one end of movable rod 9 and the bottom inner wall fixed connection of movable box 7, movable rod 9 can drive reset spring 13 tensile when rotating, simultaneously, movable rod 9 also can get back to original position under reset spring 13's reaction force, realize striking to castanets 11 through the rotation of movable rod 9, form the beat sound.

A sliding block 14 is fixedly connected to the middle of the top end of the movable box 7, a sliding groove 15 matched with the sliding block 14 is formed in one side of the upper surface of the box body 1, one end of the sliding block 14 penetrates through the sliding groove 15 and extends to the outer side of the box body 1, the sliding block 14 can move in the sliding groove 15 to play a certain limiting role on the movable box 7, meanwhile, a teacher can conveniently move the movable box 7 through the sliding block 14, a fixed block 16 is fixedly connected to the surface of one side, away from the rotating shaft 2, of the movable box 7, sliding rod grooves 17 are formed in two ends of one side of the fixed block 16, sliding rods 18 matched with the sliding rod grooves 17 are arranged in the sliding rod grooves 17, two ends of each sliding rod 18 extend to the outer side of the fixed block 16 and are fixedly connected with the inner walls of two ends of the box body 1 respectively, the fixed block 16 is matched with the sliding rods 18 to, be provided with the ball 20 rather than the looks adaptation in the ball groove 19, the laminating of the bottom inner wall of the outside of ball 20 and box 1 has reduced the frictional force between activity case 7 and the box 1, makes things convenient for the teacher to remove activity case 7, has improved the practicality of this device.

One end fixedly connected with limiting plate 21 of activity case 7 is kept away from to slider 14, first inserted bar groove 22 has all been seted up at limiting plate 21's upper surface both ends, be provided with the inserted bar 23 rather than the looks adaptation in first inserted bar groove 22, box 1 upper surface one side is seted up six rectangle array distribution's second inserted bar groove 24, six second inserted bar grooves 24, relative setting, the one end of inserted bar 23 runs through first inserted bar groove 22 and second inserted bar groove 24 in proper order and extends to inside box 1, through limiting plate 21 and inserted bar 23 cooperation, it is spacing with box 1 with activity case 7, prevent this device from taking place the displacement at during operation activity case 7, the stability of this device has been improved, 1 one end one side fixedly connected with driving motor 25 of box, driving motor 25's output and 2 fixed connection in pivot, it rotates to drive pivot 2 through driving motor 25.

The utility model discloses the theory of operation:

when the device is used, firstly, the device is placed on a platform or a desk for being convenient for students to listen, then a driving motor 25 is started, the driving motor 25 drives a rotating shaft 2 to rotate, so that a first annular plate 3 on the rotating shaft 2 rotates along with the rotating shaft, a round rod 6 fixedly connected with the outer side of the first annular plate 3 makes circular motion, when the round rod 6 is contacted with a movable rod 9, the round rod 6 can drive the movable rod 9 to rotate, one end of the movable rod 9, which is contacted with the round rod 6, rotates downwards, so that the other end of the movable rod 9 rotates upwards, a return spring 13 at the other end of the movable rod 9 is stretched, meanwhile, a ball hammer 12 at the other end of the movable rod 9 knocks a sound board 11, when the round rod 6 is separated from the movable rod 9, the movable rod 9 moves at the original position under the reaction force of the return spring 13, and the ball hammer 12 at one end of the movable rod 9 can knock the sound board 11 once when the first annular plate 3 rotates, when the beat rate needs to be adjusted, the driving motor 25 is turned off, then the two insertion rods 23 are separated from the limit plate 21, the sliding block 14 is moved, the movable box 7 is driven to move in the box body 1 through the sliding block 14, when the first insertion rod groove 22 moved to the limit plate 21 corresponds to the second insertion rod groove 24 on the box body 1, the movable box 7 is positioned in the middle of one side of the box body 1, the sliding block 14 is stopped, the insertion rods 23 sequentially penetrate through the first insertion rod groove 22 and the second insertion rod groove 24 and extend into the box body 1 to limit the movable box 7, at the moment, the driving motor 25 is started again, the round rods 6 on the second annular plate 4 sequentially drive the movable rods 9 to knock the castanets 11, the ball hammers 12 at one end of the movable rods 9 can knock the castanets 11 twice when the second annular plate 4 rotates for one circle, beat sounds with different rates are formed, and the beat sounds are generated when the movable box 7 is moved to one end of one, the third annular plate 5 can make the ball hammer 12 of activity pole 9 one end strike cubic castanets 11 for every round of rotation, forms the beat sound of different rates again, makes the teacher can realize the beat sound of different rates through the position of adjusting activity case 7, has improved teaching efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a metronome is used in music teaching, includes box (1), its characterized in that: the inner side of the box body (1) is provided with a rotating shaft (2), the two ends of the rotating shaft (2) are movably connected with the inner walls of the two ends of the box body (1) through bearings, the outer side of one end of the rotating shaft (2) is fixedly connected with a first annular plate (3), the outer middle part of the rotating shaft (2) is fixedly connected with a second annular plate (4), the outer side of the other end of the rotating shaft (2) is fixedly connected with a third annular plate (5), the outer top end of the first annular plate (3) is fixedly connected with a round rod (6), one end of the round rod (6), which is far away from the first annular plate (3), is arranged into an arc shape, the outer top end and the bottom end of the second annular plate (4) are fixedly connected with round rods (6), the outer side of the third annular plate (5) is fixedly connected with three round rods (6) distributed in an annular array, and the other side of the box body, an opening (8) is arranged on the surface of one side of the movable box (7) close to the rotating shaft (2), a movable rod (9) is arranged in the opening (8), the middle part of the movable rod (9) is movably connected with the inner walls of the two ends of the opening (8) through a pin shaft, the middle part of the inner wall of the top end of the movable box (7) is fixedly connected with a connecting rod (10), the bottom end of the connecting rod (10) is fixedly connected with a castanet (11), one end of the movable rod (9) extends into the movable box (7), the other end of the movable rod (9) extends to the outer side of the movable box (7), one end of one side of the movable rod (9) is fixedly connected with a ball hammer (12), one end of the other side of the movable rod (9) is fixedly connected with a return spring (13), one end of the return spring (13) far away from the movable rod (9) is fixedly connected with the inner wall of the bottom end of the movable box (7).

2. The metronome for music teaching according to claim 1, wherein: the top middle part fixedly connected with slider (14) of activity case (7), upper surface one side of box (1) is seted up spout (15) with slider (14) looks adaptation, the one end of slider (14) runs through spout (15) and extends to the box (1) outside.

3. The metronome for music teaching according to claim 2, wherein: one side fixed surface that pivot (2) were kept away from in activity case (7) is connected with fixed block (16), slide bar groove (17) have all been seted up at one side both ends of fixed block (16), be provided with slide bar (18) rather than the looks adaptation in slide bar groove (17).

4. A metronome for music teaching according to claim 3, wherein: the two ends of the sliding rod (18) extend to the outer side of the fixed block (16) and are fixedly connected with the inner walls of the two ends of the box body (1) respectively.

5. The metronome for music teaching according to claim 4, wherein: ball grooves (19) are formed in four corners of the lower surface of the movable box (7), balls (20) matched with the ball grooves are arranged in the ball grooves (19), and the outer sides of the balls (20) are attached to the inner wall of the bottom end of the box body (1).

6. The metronome for music teaching according to claim 5, wherein: one end fixedly connected with limiting plate (21) of activity case (7) are kept away from in slider (14), first inserted bar groove (22) have all been seted up at the upper surface both ends of limiting plate (21), be provided with inserted bar (23) rather than the looks adaptation in first inserted bar groove (22), box (1) upper surface one side is seted up second inserted bar groove (24) that six rectangle array distribute.

7. The metronome for music teaching according to claim 6, wherein: the one end of inserted bar (23) runs through first inserted bar groove (22) and second inserted bar groove (24) in proper order and extends to inside box (1), box (1) one end one side fixedly connected with driving motor (25), the output and pivot (2) fixed connection of driving motor (25).