CN216435235U

CN216435235U - Demonstration board for music teaching

Info

Publication number: CN216435235U
Application number: CN202122661211.8U
Authority: CN
Inventors: 钟涵骏
Original assignee: Changsha Normal University
Current assignee: Changsha Normal University
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-05-03
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a demonstration board for music teaching, which comprises a main demonstration board, wherein the two inner sides of the main demonstration board are respectively connected with a sliding block in a sliding manner, one end of the sliding block is laminated with a first supporting plate, the middle part of the first supporting plate is fixedly connected with a rotating shaft, the two sides of the rotating shaft are respectively connected with a supporting rod in a rotating manner, one end of the supporting rod is rotatably connected with a rotating block, the other end of the rotating block is fixedly connected with a second spring, the other end of the second spring is fixedly connected with a limiting block, and the other end of the limiting block is fixedly connected with a second supporting plate; the upper end and the lower end of the auxiliary demonstration board are both provided with elastic components, and the other ends of the elastic components are fixedly connected with top plates. The utility model discloses in, be provided with first backup pad, second backup pad and roof, retrieve to the inside of main demonstration board through pressing down both ends roof and first backup pad, second backup pad when needs are retrieved, adopt inside hollow design, carrying weight reduction.

Description

Demonstration board for music teaching

Technical Field

The utility model relates to a music teaching demonstration board technical field especially relates to a demonstration board is used in music teaching.

Background

As is known well, a music class is an important course for teaching students in beauty education, a music textbook is often needed in music teaching, if a teacher needs to use staff in teaching and also needs to draw on a blackboard, the staff with the powder strokes can not be reused, the workload of the teacher is increased, particularly, when the memory of the notes of the students needs to be investigated, the process of drawing the staff needs to be repeated, the teaching mode enables the music teacher to feel inconvenient deeply, the workload of teaching is increased, and the improvement of teaching effect is not facilitated.

Demonstration board among the prior art all opens, and it is higher to lead to the mainboard if have flexible function, and the subplate can be short one section to music teaching line register for easy reference and the show board that uses all need go on showing the line register for easy reference is complete, and the limitation all appears in traditional show board, makes the teaching effect because the demonstration board receives certain influence, still needs further to solve perfectly.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the above purpose, the utility model adopts the following technical scheme: a demonstration board for music teaching comprises a main demonstration board, wherein sliding blocks are connected to two inner sides of the main demonstration board in a sliding mode, a first supporting plate is attached to one end of one side of each sliding block, a rotating shaft is fixedly connected to the middle of the first supporting plate, supporting rods are connected to two sides of the rotating shaft in a rotating mode, one end of each supporting rod is connected with a rotating block in a rotating mode, the other end of each rotating block is fixedly connected with a second spring, a limiting block is fixedly connected to the other end of each second spring, and a second supporting plate is fixedly connected to the other end of each limiting block;

and elastic components are arranged in the upper end and the lower end of the auxiliary demonstration board, and the other ends of the elastic components are fixedly connected with top plates.

As a further description of the above technical solution: one end fixedly connected with fixed plate of vice demonstration board, set up the second opening between the fixed plate.

As a further description of the above technical solution: a first through opening is formed between the top plates.

As a further description of the above technical solution: and a first spring is fixedly connected between the first supporting plate and the second supporting plate at two ends.

As a further description of the above technical solution: the equal fixedly connected with telescopic link in bottom four corners of main demonstration board, the extension end fixedly connected with base of telescopic link.

As a further description of the above technical solution: the equal fixedly connected with a plurality of limiting plates in both ends four corners and the inboard both ends of fixed plate of main demonstration board, and the quantity of limiting plate is eight.

As a further description of the above technical solution: the elastic component is the same as the elastic structures of the first supporting plate and the second supporting plate.

As a further description of the above technical solution: the supporting rod can be opened through the rotating shaft, and the two sides of the first supporting plate are provided with storage grooves.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the utility model discloses be provided with main demonstration board, the fixed plate, vice demonstration board, the slider, first backup pad and second backup pad, mention main demonstration board through the handle and carry to needs teaching demonstration classroom, carry on to one end pulling fixed plate afterwards through the fixed plate, make vice demonstration board carry out the roll-off through the slider, break away from main demonstration board and through the pivot with first backup pad and second backup pad afterwards, the bracing piece, second spring and first spring carry out elastic support, open first backup pad and second backup pad after supporting, reach and the same thickness of main demonstration board, the operation of the demonstration of imparting knowledge to students.

2. Compared with the prior art, the utility model discloses be provided with elastic component and limiting plate, all be provided with elastic component at the both ends of vice demonstration board, and elastic component's theory of operation is the same with the elastic component principle between first backup pad and the second backup pad, supports to open the back and carries on spacingly through the limiting plate, makes vice demonstration board and main demonstration board reach the state of keeping level afterwards.

3. Compared with the prior art, the utility model discloses be provided with first backup pad, second backup pad and roof, retrieve to the inside of main demonstration board through pressing down both ends roof and first backup pad, second backup pad when needs are retrieved, adopt inside hollow design, carrying the weight reduction.

Drawings

Fig. 1 is a cross-sectional front view of a demonstration board for music teaching according to the present invention;

fig. 2 is a side view of a first supporting plate and a second supporting plate of a demonstration board for music teaching according to the present invention;

fig. 3 is a schematic view of the recovery of a demonstration board for music teaching according to the present invention;

fig. 4 is the utility model provides a local spatial structure schematic diagram of demonstration board for music teaching.

Illustration of the drawings:

1. a primary presentation board; 2. a limiting plate; 3. a secondary demonstration board; 4. a telescopic rod; 5. a base; 6. a fixing plate; 7. a first support plate; 8. a rotating shaft; 9. a first spring; 10. a second spring; 11. rotating the block; 12. a support bar; 13. a limiting block; 14. a first port; 15. a second port; 16. an elastic component; 17. a top plate; 18. a slider; 19. a second support plate.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a demonstration board is used in music teaching, including main demonstration board 1, mention main demonstration board 1 through the handle and carry to needs teaching demonstration classroom, the equal sliding connection in inside both sides of main demonstration board 1 has slider 18, carry out to one end pulling fixed plate 6 through fixed plate 6, make vice demonstration board 3 carry out the roll-off through slider 18, one side one end laminating of slider 18 has first backup pad 7, the middle part fixedly connected with pivot 8 of first backup pad 7, the both sides of pivot 8 are all rotated and are connected with bracing piece 12, the one end of bracing piece 12 is rotated and is connected with turning block 11, the other end fixedly connected with second spring 10 of turning block 11, the other end fixedly connected with stopper 13 of second spring 10, the other end fixedly connected with second backup pad 19 of stopper 13, break away from main demonstration board 1 with first backup pad 7 and second backup pad 19 and through pivot 8, The support rod 12, the second spring 10 and the first spring 9 are elastically supported, the first support plate 7 and the second support plate 19 are opened after the support, the first spring 9 is fixedly connected to two ends between the first support plate 7 and the second support plate 19, the elastic component 16 is identical to the elastic structures between the first support plate 7 and the second support plate 19, the support rod 12 can be opened for 180 degrees through the rotating shaft 8, the two sides of the first support plate 7 are provided with storage grooves, and when the recovery is needed, the support rod is recovered to the inside of the main display plate 1 by pressing the top plates 17 at two ends, the first support plate 7 and the second support plate 19;

the middle parts of the upper and lower ends of the auxiliary demonstration board 3 are respectively provided with an elastic component 16, the two ends of the auxiliary demonstration board 3 are respectively provided with an elastic component 16, the working principle of the elastic component 16 is the same as the principle of an elastic component between the first supporting plate 7 and the second supporting plate 19, the other end of the elastic component 16 is fixedly connected with a top plate 17, one end of the auxiliary demonstration plate 3 is fixedly connected with a fixed plate 6, a second through hole 15 is arranged between the fixed plates 6, a first through hole 14 is arranged between the top plates 17, four corners of the bottom end of the main demonstration plate 1 are fixedly connected with telescopic rods 4, the extending end of each telescopic rod 4 is fixedly connected with a base 5, four corners of two ends of the main demonstration plate 1 and two ends of the inner side of the fixed plate 6 are fixedly connected with a plurality of limiting plates 2, and the quantity of limiting plate 2 is eight, supports to open the back and carries on spacingly through limiting plate 2, makes vice demonstration board 3 and main demonstration board 1 reach the state of keeping level afterwards.

The working principle is as follows: when in use, the main demonstration board 1 is lifted through the handle to be carried to a required teaching demonstration classroom, then the fixing board 6 is pulled to one end, the auxiliary demonstration board 3 slides out through the sliding block 18, then the first supporting board 7 and the second supporting board 19 are separated from the main demonstration board 1 and elastically supported through the rotating shaft 8, the supporting rod 12, the second spring 10 and the first spring 9, the first supporting board 7 and the second supporting board 19 are opened after being supported, then the elastic components 16 are arranged at two ends of the auxiliary demonstration board 3, the working principle of the elastic components 16 is the same as that of the elastic components between the first supporting board 7 and the second supporting board 19, the elastic components are limited through the limiting board 2 after being supported, then the auxiliary demonstration board 3 and the main demonstration board 1 are enabled to reach a flat state, and when in required recovery, the top board 17 and the first supporting board 7 are pressed, The second supporting plate 19 is recovered to the inside of the main presentation plate 1.

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 demonstration board is used in music teaching which characterized in that: the novel demonstration device comprises a main demonstration plate (1), wherein sliding blocks (18) are connected to two inner sides of the main demonstration plate (1) in a sliding mode, a first supporting plate (7) is attached to one end of one side of each sliding block (18), a rotating shaft (8) is fixedly connected to the middle of each first supporting plate (7), supporting rods (12) are rotatably connected to two sides of each rotating shaft (8), a rotating block (11) is rotatably connected to one end of each supporting rod (12), a second spring (10) is fixedly connected to the other end of each rotating block (11), a limiting block (13) is fixedly connected to the other end of each second spring (10), and a second supporting plate (19) is fixedly connected to the other end of each limiting block (13);

the upper end and the lower end of the auxiliary demonstration board (3) are both provided with elastic components (16), and the other ends of the elastic components (16) are fixedly connected with top boards (17).

2. A demonstration board for teaching music according to claim 1 wherein: one end fixedly connected with fixed plate (6) of vice demonstration board (3), second opening (15) have been seted up between fixed plate (6).

3. A demonstration board for teaching music according to claim 1 wherein: a first through opening (14) is formed between the top plates (17).

4. A demonstration board for teaching music according to claim 1 wherein: and a first spring (9) is fixedly connected between the first supporting plate (7) and the second supporting plate (19) at two ends.

5. A demonstration board for teaching music according to claim 1 wherein: the equal fixedly connected with telescopic link (4) in bottom four corners of main demonstration board (1), extension end fixedly connected with base (5) of telescopic link (4).

6. A demonstration board for teaching music according to claim 1 wherein: the two ends four corners of the main demonstration board (1) and the two ends of the inner side of the fixing board (6) are fixedly connected with a plurality of limiting boards (2), and the number of the limiting boards (2) is eight.

7. A demonstration board for teaching music according to claim 1 wherein: the elastic component (16) has the same elastic structure with the first support plate (7) and the second support plate (19).

8. A demonstration board for teaching music according to claim 1 wherein: the supporting rod (12) can be opened by 180 degrees through the rotating shaft (8), and the two sides of the first supporting plate (7) are provided with collecting grooves.