CN211319477U

CN211319477U - Novel multimedia playing device for music teaching

Info

Publication number: CN211319477U
Application number: CN202020396140.6U
Authority: CN
Inventors: 徐玉梅; 巩海鹏; 胡冰; 肖雯
Original assignee: Gansu Agricultural University
Current assignee: BEIJING AIZHIYINJIAO TEACHING EQUIPMENT Co.,Ltd.
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-08-21
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a novel multimedia playing is used in music teaching device, the power distribution box comprises a box body, the left side fixedly connected with servo motor of box inner chamber bottom, servo motor's output shaft fixedly connected with threaded rod, the surperficial threaded connection of threaded rod has the thread bush, there is the movable rod at the top of thread bush through pivot swing joint, there is the backup pad at the top of movable rod through pivot swing joint, there is sound body at the top of backup pad through bearing frame swing joint. The utility model discloses a servo motor's output shaft drives the threaded rod rotatory, and the screw thread cover drives the movable rod motion, and the movable rod drives the backup pad motion, and the backup pad drives sound equipment body concertina movement to be convenient for store up in the box, and then be convenient for remove, solved in music teaching activity because current stereo set volume is great, be not convenient for store up and the motion, thereby the problem of inconvenience is brought for the removal of stereo set.

Description

Novel multimedia playing device for music teaching

Technical Field

The utility model relates to a stereo set technical field specifically is novel multimedia playing is used in music teaching device.

Background

The teaching aid refers to a model, a real object, a specimen, an instrument, a chart, a slide show and the like for explaining something, and comprises teaching equipment, a teaching instrument, practical training equipment, education equipment, experimental equipment, a teaching specimen, a teaching model and the like, the teaching aid is a real object aiming at propagating science and technology and educating people, is a complete scientific and technological medium, a sound box is required to be used in the music teaching process, the sound box refers to other sounds except human language and music, and comprises sounds of natural environment, sounds of animals, sounds of machine tools, various sounds emitted by actions of people and the like, the functions of the teaching aid are as complete as possible, the whole matching performance is good, the appearance is uniform, and the existing sound box is large in size and inconvenient to store and move in the music teaching activity, so that inconvenience is brought to the movement of the sound box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel multimedia playing device is used in music teaching possesses the advantage of being convenient for to store up, has solved in the music teaching activity because current stereo set volume is great, is not convenient for store up and motion to the removal of giving the stereo set brings inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: novel multimedia playing is used in music teaching device, the power distribution box comprises a box body, the left side fixedly connected with servo motor of box inner chamber bottom, servo motor's output shaft fixedly connected with threaded rod, the surperficial threaded connection of threaded rod has the thread bush, there is the movable rod at the top of thread bush through pivot swing joint, there is the backup pad at the top of movable rod through pivot swing joint, there is sound body at the top of backup pad through bearing frame swing joint.

Preferably, the bottom of the inner cavity of the box body is provided with a first limiting sliding groove, the inner cavity of the first limiting sliding groove is connected with a first limiting sliding block in a sliding mode, and one side, far away from the inner cavity of the first limiting sliding groove, of the first limiting sliding block is fixedly connected with the threaded sleeve.

Preferably, the two sides of the inner cavity of the box body are both provided with second limiting sliding grooves, the inner cavity of each second limiting sliding groove is connected with a second limiting sliding block in a sliding mode, and one side, far away from the inner cavity of each second limiting sliding groove, of each second limiting sliding block is fixedly connected with the supporting plate.

Preferably, a ring groove is formed in the top of the supporting plate, positioning blocks are fixedly connected to two sides of the bottom of the sound body, and the positioning blocks are connected with an inner cavity of the ring groove in a sliding mode.

Preferably, the periphery of the bottom of the box body is movably connected with moving wheels through bearings, and the surfaces of the moving wheels are movably connected with brake pads.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a servo motor's output shaft drives the threaded rod rotatory, and the screw thread cover drives the movable rod motion, and the movable rod drives the backup pad motion, and the backup pad drives sound equipment body concertina movement to be convenient for store up in the box, and then be convenient for remove, solved in music teaching activity because current stereo set volume is great, be not convenient for store up and the motion, thereby the problem of inconvenience is brought for the removal of stereo set.

2. The utility model discloses a set up circle groove and locating piece, played the spacing effect to the stereo set body, through setting up the spacing spout of second and the spacing slider of second, played the spacing effect to the backup pad.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the support plate of the present invention;

fig. 3 is a schematic view of the first limiting chute in a top view.

In the figure: 1. a box body; 2. a servo motor; 3. a threaded rod; 4. a threaded sleeve; 5. a movable rod; 6. a support plate; 7. a sound body; 8. a first limiting chute; 9. a first limit slide block; 10. a second limiting chute; 11. a second limit slide block; 12. a ring groove; 13. and (5) positioning the blocks.

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 discloses a box 1, servo motor 2, threaded rod 3, thread bush 4, movable rod 5, backup pad 6, stereo set 7, first spacing spout 8, first spacing slider 9, the spacing spout 10 of second, second spacing slider 11, circle groove 12 and locating piece 13 part are the parts that general standard spare or technical personnel in the field know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a novel multimedia playing device for music teaching comprises a box body 1, wherein the periphery of the bottom of the box body 1 is movably connected with a moving wheel through a bearing, the surface of the moving wheel is movably connected with a brake pad, the left side of the bottom of an inner cavity of the box body 1 is fixedly connected with a servo motor 2, an output shaft of the servo motor 2 is fixedly connected with a threaded rod 3, the surface of the threaded rod 3 is in threaded connection with a threaded sleeve 4, the bottom of the inner cavity of the box body 1 is provided with a first limiting chute 8, the inner cavity of the first limiting chute 8 is in sliding connection with a first limiting slide block 9, one side of the first limiting slide block 9, which is far away from the inner cavity of the first limiting chute 8, is fixedly connected with the threaded sleeve 4, the top of the threaded sleeve 4 is movably connected with a movable rod 5 through a rotating shaft, the inner cavity of the second limit sliding groove 10 is connected with a second limit slide block 11 in a sliding way, one side of the second limit slide block 11 far away from the inner cavity of the second limit sliding groove 10 is fixedly connected with a support plate 6, the top of the support plate 6 is movably connected with a sound body 7 through a bearing seat, the top of the support plate 6 is provided with a ring groove 12, both sides of the bottom of the sound body 7 are fixedly connected with positioning blocks 13, the positioning blocks 13 are connected with the inner cavity of the ring groove 12 in a sliding way, the output shaft of the servo motor 2 drives the threaded rod 3 to rotate, the threaded sleeve 4 drives the movable rod 5 to move, the movable rod 5 drives the support plate 6 to move, the support plate 6 drives the sound body 7 to move in a telescopic way, so that the sound box is convenient to store in the box body 1, and then be convenient for remove, solved in the music teaching activity because current stereo set is bulky, be not convenient for store up and motion to the problem that the removal of giving the stereo set is inconvenient.

During the use, it is rotatory to drive threaded rod 3 through servo motor 2's output shaft, and thread bush 4 drives the motion of movable rod 5, and movable rod 5 drives backup pad 6 motion, and backup pad 6 drives sound 7 concertina movement to be convenient for store up in box 1, and then be convenient for remove.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the control circuit belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Novel multimedia playing is used in music teaching device, including box (1), its characterized in that: the utility model discloses a loudspeaker box, including box (1), inner chamber bottom, output shaft fixedly connected with threaded rod (3) of servo motor (2), the surperficial threaded connection of threaded rod (3) has thread bush (4), the top of thread bush (4) has movable rod (5) through pivot swing joint, the top of movable rod (5) has backup pad (6) through pivot swing joint, the top of backup pad (6) has sound body (7) through bearing frame swing joint.

2. The novel multimedia playing device for music teaching according to claim 1, wherein: first spacing spout (8) have been seted up to the bottom of box (1) inner chamber, the inner chamber sliding connection of first spacing spout (8) has first spacing slider (9), one side and thread bush (4) fixed connection of first spacing spout (8) inner chamber are kept away from to first spacing slider (9).

3. The novel multimedia playing device for music teaching according to claim 1, wherein: second limiting sliding grooves (10) are formed in two sides of an inner cavity of the box body (1), second limiting sliding blocks (11) are connected to the inner cavity of the second limiting sliding grooves (10) in a sliding mode, and one sides, away from the inner cavity of the second limiting sliding grooves (10), of the second limiting sliding blocks (11) are fixedly connected with the supporting plate (6).

4. The novel multimedia playing device for music teaching according to claim 1, wherein: circle groove (12) have been seted up at the top of backup pad (6), equal fixedly connected with locating piece (13) in both sides of stereo set body (7) bottom, the inner chamber sliding connection of locating piece (13) and circle groove (12).

5. The novel multimedia playing device for music teaching according to claim 1, wherein: all there is the removal wheel all through bearing swing joint around box (1) bottom, and the surface swing joint who removes the wheel has the brake block.