CN109637274B

CN109637274B - Teaching aid convenient to music teaching carries out

Info

Publication number: CN109637274B
Application number: CN201910112724.8A
Authority: CN
Inventors: 陈艳秀; 闫冉; 龚娜; 高一鸣
Original assignee: Zhengzhou Normal University
Current assignee: Zhengzhou Normal University
Priority date: 2019-02-13
Filing date: 2019-02-13
Publication date: 2020-10-27
Anticipated expiration: 2039-02-13
Also published as: CN109637274A

Abstract

The invention discloses a teaching aid convenient for music teaching, belongs to the technical field of teaching equipment, and solves the problems that the conventional device is inconvenient in height adjustment and influences normal teaching work; the technical characteristics are as follows: the glass tube placing device comprises a bottom plate, a first push rod and a stand column, wherein a plurality of idler wheels are installed at the bottom of the bottom plate, a lifting platform is arranged on the bottom plate in parallel, the stand column is installed at the center of the upper surface of the lifting platform and welded with the lifting platform, a top plate is fixedly connected to the upper end of the stand column through a bolt, a glass tube placing assembly is arranged on the right side of the bottom of the stand column and fixedly connected with the stand column.

Description

Teaching aid convenient to music teaching carries out

Technical Field

The invention relates to the technical field of teaching equipment, in particular to a teaching aid convenient for music teaching.

Background

The music education has the difference between broad sense and narrow sense, the broad music education refers to all education which influences thought emotion and thinking quality of people and improves knowledge and skill through music, and mainly refers to school music education which is organized, planned and purposefully performed according to certain social requirements, and the school education can be generally divided into preschool education, basic education, high education, adult education and the like. Teaching aids are required to be frequently used in the music teaching process, and Chinese patent CN205810170U discloses a simple music teaching aid which comprises a plane table and a fixing frame arranged on the plane table, wherein a plurality of round holes are formed in the fixing frame, a glass tube is placed in each round hole, water is contained in each glass tube, and the water level heights of the glass tubes are different; the fixing frame is supported on the plane table through four telescopic support legs, locking screws are further arranged on the outer sides of the telescopic support legs, a microphone and a loudspeaker are further arranged on the top surface of the fixing frame, the microphone and the loudspeaker are connected through a circuit, and the microphone and the loudspeaker are both arranged behind the glass tube; the music teaching aid is also provided with a rapping hammer for rapping the glass tube. The music teaching aid can adjust the height of the glass tube, is suitable for students or teachers with different heights, can collect and amplify the sound of knocking the glass tube, and ensures that all students in a classroom can clearly hear the sound of playing; however, the height of the device is inconvenient to adjust, normal teaching work is affected, and therefore the teaching aid convenient for music teaching is provided.

Disclosure of Invention

The invention aims to provide a teaching aid convenient for music teaching, which comprises a bottom plate, a glass tube placing assembly and a stand column, wherein a plurality of rollers are installed at the bottom of the bottom plate, a lifting platform is arranged on the bottom plate in parallel, the stand column is installed at the central position of the upper surface of the lifting platform and is welded with the lifting platform, a top plate is fixedly connected to the upper end of the stand column through a bolt, the glass tube placing assembly is arranged on the right side of the bottom of the stand column, and the glass tube placing assembly is fixedly connected with the stand column, so that the problems that the conventional device is inconvenient in height adjustment and normal teaching work is influenced are solved. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a teaching aid convenient to carry out music teaching, includes that bottom plate, glass pipe place subassembly and stand, a plurality of gyro wheels are installed to the bottom of bottom plate, and parallel arrangement has lift platform on the bottom plate, and lift platform's upper surface central point puts the department and installs the stand, and stand and lift platform welding, bolt fixedly connected with roof are passed through to the upper end of stand, and the bottom right side of stand is provided with glass pipe and places the subassembly, and glass pipe places subassembly and stand fixed connection. As a further scheme of the invention: the pneumatic cylinder is installed to bottom plate upper surface central point position, the flexible end and the articulated piece welding of pneumatic cylinder, the upper portion of articulated piece is provided with the spacing groove, spacing groove fixed welding is on lift platform, two articulated balls are installed to the spacing inslot symmetry, be provided with buffer spring between the articulated ball, buffer spring's both ends are articulated with articulated ball, be connected through the third push rod between articulated ball and the articulated piece, one side that third push rod was kept away from to articulated ball is articulated with first push rod, the one end that articulated ball was kept away from to first push rod is articulated with articulated seat, articulated seat welds on the bottom plate. As a still further scheme of the invention: the stand bottom left side is provided with the display screen, and the lower part of display screen is rotated and is connected with the second lead screw, and the lower extreme of second lead screw runs through second internal thread sleeve to with the welding of external screw thread runner, second internal thread sleeve rotates with the stand to be connected, and second internal thread sleeve passes through threaded connection with the second lead screw. As a still further scheme of the invention: the upper portion symmetrical welding of stand has two first lead screws, and the one end threaded connection that the stand was kept away from to first lead screw has first internal thread sleeve, and the equipartition has a plurality of glass to manage to place the pole on the first internal thread sleeve, and the outer surface cover that the pole was placed to the glass pipe is equipped with the sponge safety cover. As a still further scheme of the invention: an annular track is formed in one side, close to the first screw rod, of the first internal thread sleeve, a limiting rod is installed in the annular track, and one end, far away from the annular track, of the limiting rod is fixedly connected with the stand column through a bolt. As a still further scheme of the invention: the glass tube placing assembly comprises a placing plate, a second push rod, a driving wheel, a handle and a horizontal sliding groove, the horizontal sliding groove is fixedly installed on the stand column, the placing plate is installed in the horizontal sliding groove in a sliding mode, one side, close to the stand column, of the placing plate is hinged to the second push rod, one end, far away from the placing plate, of the second push rod is hinged to the driving wheel, and the handle is installed on the driving wheel. As a still further scheme of the invention: a plurality of spring telescopic rods are arranged between the bottom plate and the lifting platform, the lower ends of the spring telescopic rods are fixedly connected with the lower surface of the bottom plate through bolts, and the telescopic ends of the spring telescopic rods are fixedly connected with the lower surface of the lifting platform in a welding mode. In conclusion, the beneficial effects of the invention are as follows: the arrangement of the buffer spring has the effect of buffering and protecting the hinged ball, when the height of the display screen needs to be adjusted, the external thread rotating wheel is rotated, the external thread rotating wheel drives the second lead screw to move up and down along the second internal thread sleeve, so that the adjustment of the height of the display screen is realized, the music teaching work is facilitated, the arrangement of the sponge protective cover can play a role of buffering and protecting the glass tube, the glass tube is prevented from being cracked when not used, the limiting rod has the effect of limiting the first internal thread sleeve, and the arrangement of the limiting rod can prevent the first internal thread sleeve from falling off when rotating; the glass tube protection device is simple to operate and convenient to move, can protect the glass tube, can meet the learning requirements of students, and improves the class efficiency of teachers. Description of the drawings fig. 1 is a schematic structural view of the invention. Fig. 2 is a schematic structural view of a limiting groove in the invention. FIG. 3 is a schematic view showing the structure of the glass tube placing rod according to the present invention. Fig. 4 is a schematic view of the connection structure of the first screw and the first internally threaded sleeve in the invention. FIG. 5 is a schematic view of the glass tube placing assembly according to the present invention. In the figure: 1-a bottom plate, 2-a spring telescopic rod, 3-a first push rod, 4-a lifting platform, 5-a glass tube placing component, 6-a first internal thread sleeve, 7-a sponge protective cover, 8-a top plate, 9-an upright post, 10-a first screw rod, 11-a limiting rod, 12-a display screen, 13-a second screw rod, 14-a second internal thread sleeve and 15-an external thread rotating wheel, 16-hinged seat, 17-placing plate, 18-limiting groove, 19-buffer spring, 20-hinged ball, 21-second push rod, 22-third push rod, 23-hinged block, 24-hydraulic cylinder, 25-roller, 26-glass tube placing rod, 27-annular track, 28-driving wheel, 29-handle and 30-horizontal sliding groove. Detailed description of the inventiontechnical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiment 1 as shown in fig. 1 to 4, in the embodiment of the invention, a teaching aid convenient for music teaching comprises a bottom plate 1, a first push rod 3, a glass tube placing assembly 5 and a stand column 9, wherein the bottom of the bottom plate 1 is provided with a plurality of rollers 25, the bottom plate 1 is provided with a lifting platform 4 in parallel, the stand column 9 is arranged at the center of the upper surface of the lifting platform 4, the stand column 9 is welded with the lifting platform 4, the upper end of the stand column 9 is fixedly connected with a top plate 8 through a bolt, the right side of the bottom of the stand column 9 is provided with the glass tube placing assembly 5, and the glass tube placing assembly 5 is fixedly connected with the stand column 9; a plurality of spring telescopic rods 2 are arranged between the bottom plate 1 and the lifting platform 4, the lower ends of the spring telescopic rods 2 are fixedly connected with the lower surface of the bottom plate 1 through bolts, the telescopic ends of the spring telescopic rods 2 are fixedly connected with the lower surface of the lifting platform 4 in a welding manner, a hydraulic cylinder 24 is arranged at the central position of the upper surface of the bottom plate 1, the telescopic ends of the hydraulic cylinder 24 are welded with a hinge block 23, a limit groove 18 is arranged at the upper part of the hinge block 23, the limit groove 18 is fixedly welded on the lifting platform 4, two hinge balls 20 are symmetrically arranged in the limit groove 18, a buffer spring 19 is arranged between the hinge balls 20, two ends of the buffer spring 19 are hinged with the hinge balls 20, the buffer spring 19 has the function of buffering and protecting the hinge balls 20, the hinge balls 20 are connected with the hinge block 23 through a third push rod 22, one side of the hinge balls 20 far away from, one end, far away from the hinge ball 20, of the first push rod 3 is hinged to the hinge seat 16, the hinge seat 16 is welded to the bottom plate 1, and when the height of the lifting platform 4 needs to be adjusted, the hydraulic cylinder 24 is started, the hydraulic cylinder 24 drives the hinge block 23 to move up and down, so that the hinge block 23 drives the hinge ball 20 to slide in the limiting groove 18, the hinge ball 20 pushes the first push rod 3 to rotate around the hinge seat 16, and the height of the lifting platform 4 is adjusted; a display screen 12 is arranged on the left side of the bottom of the upright post 9, a second screw rod 13 is rotatably connected to the lower portion of the display screen 12, the lower end of the second screw rod 13 penetrates through a second internal thread sleeve 14 and is welded with an external thread rotating wheel 15, the second internal thread sleeve 14 is rotatably connected with the upright post 9, the second internal thread sleeve 14 is in threaded connection with the second screw rod 13, when the height of the display screen 12 needs to be adjusted, the external thread rotating wheel 15 is rotated, and the external thread rotating wheel 15 drives the second screw rod 13 to move up and down along the second internal thread sleeve 14, so that the height of the display screen 12 is adjusted, and music teaching work is facilitated; two first lead screws 10 are symmetrically welded on the upper portion of the upright post 9, one end, far away from the upright post 9, of each first lead screw 10 is in threaded connection with a first internal thread sleeve 6, a plurality of glass tube placing rods 26 are uniformly distributed on the first internal thread sleeves 6, a sponge protective cover 7 is sleeved on the outer surface of each glass tube placing rod 26, and the sponge protective cover 7 can play a role in buffering and protecting the glass tubes, so that the glass tubes are prevented from being cracked when not used; first internal thread sleeve 6 is close to one side of first lead screw 10 and has been seted up circular orbit 27, installs gag lever post 11 in the circular orbit 27, and the one end that circular orbit 27 was kept away from to gag lever post 11 passes through bolt fixed connection with stand 9, gag lever post 11 has the spacing effect to first internal thread sleeve 6, and setting up of gag lever post 11 can avoid first internal thread sleeve 6 to take place to drop when rotating. Embodiment 2 as shown in fig. 1 to 5, in the embodiment of the invention, a teaching aid convenient for music teaching comprises a bottom plate 1, a first push rod 3, a glass tube placing assembly 5 and an upright post 9, wherein the bottom of the bottom plate 1 is provided with a plurality of rollers 25, the bottom plate 1 is provided with a lifting platform 4 in parallel, the upper surface center of the lifting platform 4 is provided with the upright post 9, the upright post 9 is welded with the lifting platform 4, the upper end of the upright post 9 is fixedly connected with a top plate 8 through a bolt, the right side of the bottom of the upright post 9 is provided with the glass tube placing assembly 5, and the glass tube placing assembly 5 is fixedly connected with the upright post 9; a plurality of spring telescopic rods 2 are arranged between the bottom plate 1 and the lifting platform 4, the lower ends of the spring telescopic rods 2 are fixedly connected with the lower surface of the bottom plate 1 through bolts, the telescopic ends of the spring telescopic rods 2 are fixedly connected with the lower surface of the lifting platform 4 in a welding manner, a hydraulic cylinder 24 is arranged at the central position of the upper surface of the bottom plate 1, the telescopic ends of the hydraulic cylinder 24 are welded with a hinge block 23, a limit groove 18 is arranged at the upper part of the hinge block 23, the limit groove 18 is fixedly welded on the lifting platform 4, two hinge balls 20 are symmetrically arranged in the limit groove 18, a buffer spring 19 is arranged between the hinge balls 20, two ends of the buffer spring 19 are hinged with the hinge balls 20, the buffer spring 19 has the function of buffering and protecting the hinge balls 20, the hinge balls 20 are connected with the hinge block 23 through a third push rod 22, one side of the hinge balls 20 far away from, one end, far away from the hinge ball 20, of the first push rod 3 is hinged to the hinge seat 16, the hinge seat 16 is welded to the bottom plate 1, and when the height of the lifting platform 4 needs to be adjusted, the hydraulic cylinder 24 is started, the hydraulic cylinder 24 drives the hinge block 23 to move up and down, so that the hinge block 23 drives the hinge ball 20 to slide in the limiting groove 18, the hinge ball 20 pushes the first push rod 3 to rotate around the hinge seat 16, and the height of the lifting platform 4 is adjusted; a display screen 12 is arranged on the left side of the bottom of the upright post 9, a second screw rod 13 is rotatably connected to the lower portion of the display screen 12, the lower end of the second screw rod 13 penetrates through a second internal thread sleeve 14 and is welded with an external thread rotating wheel 15, the second internal thread sleeve 14 is rotatably connected with the upright post 9, the second internal thread sleeve 14 is in threaded connection with the second screw rod 13, when the height of the display screen 12 needs to be adjusted, the external thread rotating wheel 15 is rotated, and the external thread rotating wheel 15 drives the second screw rod 13 to move up and down along the second internal thread sleeve 14, so that the height of the display screen 12 is adjusted, and music teaching work is facilitated; two first lead screws 10 are symmetrically welded on the upper portion of the upright post 9, one end, far away from the upright post 9, of each first lead screw 10 is in threaded connection with a first internal thread sleeve 6, a plurality of glass tube placing rods 26 are uniformly distributed on the first internal thread sleeves 6, a sponge protective cover 7 is sleeved on the outer surface of each glass tube placing rod 26, and the sponge protective cover 7 can play a role in buffering and protecting the glass tubes, so that the glass tubes are prevented from being cracked when not used; first internal thread sleeve 6 is close to one side of first lead screw 10 and has been seted up circular orbit 27, installs gag lever post 11 in the circular orbit 27, and the one end that circular orbit 27 was kept away from to gag lever post 11 passes through bolt fixed connection with stand 9, gag lever post 11 has the spacing effect to first internal thread sleeve 6, and setting up of gag lever post 11 can avoid first internal thread sleeve 6 to take place to drop when rotating. The glass tube placing assembly 5 comprises a placing plate 17, a second push rod 21, a driving wheel 28, a handle 29 and a horizontal sliding groove 30, the horizontal sliding groove 30 is fixedly installed on the stand column 9, the placing plate 17 is installed in the horizontal sliding groove 30 in a sliding mode, one side, close to the stand column 9, of the placing plate 17 is hinged to the second push rod 21, one end, away from the placing plate 17, of the second push rod 21 is hinged to the driving wheel 28, the handle 29 is installed on the driving wheel 28, when the position of the placing plate 17 needs to be adjusted, the handle 29 is rotated, the handle 29 drives the driving wheel 28 to rotate, the driving wheel 28 can drive the placing plate 17 to move left and right, and music teaching work of tea. In summary, the working principle of the invention is as follows: when the height of the lifting platform 4 needs to be adjusted, the hydraulic cylinder 24 is started, the hydraulic cylinder 24 drives the hinge block 23 to move up and down, the hinge block 23 drives the hinge ball 20 to slide in the limiting groove 18, so that the hinge ball 20 pushes the first push rod 3 to rotate around the hinge seat 16, the height of the lifting platform 4 is adjusted, when the position of the placing plate 17 needs to be adjusted, the handle 29 is rotated, the handle 29 drives the driving wheel 28 to rotate, the driving wheel 28 can drive the placing plate 17 to move left and right, and the music teaching work of teachers is facilitated; the glass tube protection device is simple to operate and convenient to move, can protect the glass tube, can meet the learning requirements of students, and improves the class efficiency of teachers. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are only for the convenience of description of the invention and to simplify the description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The teaching aid convenient for music teaching comprises a bottom plate (1), a glass tube placing assembly (5) and an upright post (9), wherein a plurality of rollers (25) are mounted at the bottom of the bottom plate (1), a lifting platform (4) is arranged on the bottom plate (1) in parallel, the upright post (9) is mounted at the central position of the upper surface of the lifting platform (4), the upright post (9) is welded with the lifting platform (4), and the upper end of the upright post (9) is fixedly connected with a top plate (8) through a bolt;

the upper surface center position of the bottom plate (1) is provided with a hydraulic cylinder (24), the telescopic end of the hydraulic cylinder (24) is welded with a hinge block (23), the upper part of the hinge block (23) is provided with a limit groove (18), the limit groove (18) is fixedly welded on the lifting platform (4), two hinge balls (20) are symmetrically arranged in the limit groove (18), the hinge balls (20) are connected with the hinge block (23) through a third push rod (22), one side of each hinge ball (20), which is far away from the third push rod (22), is hinged with a first push rod (3), one end of each first push rod (3), which is far away from the hinge ball (20), is hinged with a hinge seat (16), the hinge seat (16) is welded on the bottom plate (1), the left side of the bottom of the upright column (9) is provided with a display screen (12), the lower part of the display screen (12) is rotatably connected with a second lead screw (13), and the lower end of the second lead screw (13) penetrates, and with external screw thread runner (15) welding, second internal thread sleeve (14) are rotated with stand (9) and are connected, and second internal thread sleeve (14) pass through threaded connection with second lead screw (13), subassembly (5) is placed including placing board (17), second push rod (21), drive wheel (28), handle (29) and horizontal spout (30) to the glass pipe, horizontal spout (30) fixed mounting is on stand (9), and slidable mounting has in horizontal spout (30) places board (17), places board (17) and is close to one side of stand (9) and articulated with second push rod (21), and second push rod (21) keep away from the one end of placing board (17) and articulate with drive wheel (28), and installs handle (29) on drive wheel (28).

2. Teaching aid convenient for music teaching according to claim 1, characterized in that a buffer spring (19) is arranged between the hinge balls (20), both ends of the buffer spring (19) being hinged to the hinge balls (20).

3. The teaching aid convenient for music teaching according to claim 2, wherein two first lead screws (10) are symmetrically welded on the upper part of the upright post (9), one end of each first lead screw (10) far away from the upright post (9) is in threaded connection with a first internal thread sleeve (6), and a plurality of glass tube placing rods (26) are uniformly distributed on each first internal thread sleeve (6).

4. Teaching aid convenient for music teaching according to claim 3, characterized in that the outer surface of the glass tube placing rod (26) is sheathed with a sponge protective cover (7).

5. The teaching aid convenient for music teaching according to claim 4, wherein an annular track (27) is formed in one side, close to the first screw rod (10), of the first internally threaded sleeve (6), a limiting rod (11) is installed in the annular track (27), and one end, far away from the annular track (27), of the limiting rod (11) is fixedly connected with the upright post (9) through a bolt.

6. The teaching aid convenient for music teaching according to any one of claims 1-5, wherein a plurality of spring telescopic rods (2) are arranged between the bottom plate (1) and the lifting platform (4), the lower ends of the spring telescopic rods (2) are fixedly connected with the lower surface of the bottom plate (1) through bolts, and the telescopic ends of the spring telescopic rods (2) are fixedly connected with the lower surface of the lifting platform (4) by welding.