CN219629068U - A musical score display device with a rolling structure - Google Patents

Abstract

The utility model belongs to the field of musical score display, in particular to a musical score display device with a rolling structure. Aiming at the fact that the existing music stand is large in volume during use, it is inconvenient to store and thus inconvenient to carry, and usually only The function of displaying paper music scores is relatively single, which leads to the problem of affecting the display effect. The following plan is proposed, which includes a base. The bottom of the base is rotated and installed with four universal wheels. There is a chute on the top of the chute, and a sliding post is installed in the chute. The outer side of the sliding post is fixed with a cover plate by welding, and the outer side of the post is fixed and installed with a mounting seat by welding. A winding mechanism is arranged in the volume groove, and the utility model can be conveniently stored and carried during use, and can project and display music scores, has various functions, simple structure, and is convenient to use.

Description

A musical score display device with a rolling structure

technical field

The utility model relates to the technical field of musical score display, in particular to a musical score display device with a winding structure.

Background technique

Music notation is a method of recording music in notation, either printed or handwritten. Different cultures and regions have developed different notation methods. Notation can be divided into two categories: recording pitch and recording fingering. Staves, numbered notation, and Braille notation are all musical notations that record pitches. The six-line notation of guitar and the subtraction notation of guqin are all music scores that record fingering. Traditional music scores are mainly copied on paper, and now there are computer programs that can make music scores, and the music scores are usually displayed on a music stand.

In the prior art, the music stand is bulky during use and is inconvenient to store, which in turn makes it inconvenient to carry. Usually, it can only display paper music scores, and its functions are relatively single, which affects the display effect. For this reason, we propose a A music score display device with a rolling structure is used to solve the above problems.

Utility model content

The purpose of this utility model is to solve the problem that the music stand in the prior art is large in size during use, which is inconvenient to store, and thus inconvenient to carry, and usually only paper music scores can be displayed, and the function is relatively single, which affects the display Because of the shortcomings of the effect, a music score display device with a rolling structure is proposed.

In order to achieve the above object, the utility model adopts the following technical solutions:

A music score display device with a rolling structure, including a base, four universal wheels are installed on the bottom of the base, the top of the base is fixedly installed with a pillar by welding, the top of the pillar is provided with a chute, and sliding A sliding column is installed, and the outside of the sliding column is fixedly installed with a cover plate by welding, and the outside of the column is fixedly installed with a mounting seat by welding. An empty slot is opened inside, a curtain is fixedly connected to the bottom of the cover plate, and two symmetrical pockets are fixedly connected to the curtain.

Preferably, the winding mechanism includes a first rotating rod, and a second through hole is opened on one side of the mounting base, the second through hole communicates with the winding groove and the empty groove, and the first rotating rod is rotatably installed in the second through hole Inside, the outer side of the first rotating rod is provided with a winding roller through a welding fixing sleeve, and the outer side of the winding roller is connected with the screen.

Preferably, the outer side of the sliding column is provided with two symmetrical card slots, the inner wall of the chute is provided with a slide hole, and a bayonet pin is slidably installed in the slide hole, and the bayonet pin matches the two bayonet slots, and the outside of the bayonet pin A spring is sheathed, and the two ends of the spring are respectively fixedly connected with the outer side of the pillar and the outer side of the bayonet pin by welding.

Preferably, one end of the first rotating rod is fixedly installed with a first sprocket through welding, and the other end of the second rotating rod is fixedly installed with a second sprocket through welding, and the first sprocket and the second sprocket are meshed with the same chain.

Preferably, one side of the sliding column is provided with a mounting groove, and the inner wall of one side of the mounting groove is fixedly installed with a gear rod by welding, and the inner wall of one side of the empty groove is provided with a first through hole, and the first through hole communicates with the chute , a second rotating rod is installed in rotation in the first through hole, and a gear is fixedly installed on one end of the second rotating rod through welding, and the gear meshes with the gear rod.

In the utility model, the beneficial effects of the music score display device with a winding structure:

1. In this solution, when the bayonet pin is pulled, the bayonet pin is separated from the bayonet groove, and then the bayonet releases the positioning of the sliding column, and then the cover plate is pulled to move vertically, and the cover plate drives the sliding column to move vertically, thereby reducing the occupied volume It is convenient for storage and carrying.

2. In this solution, when the sliding column moves vertically, the gear rod drives the gear to rotate, the second rotating rod drives the second sprocket to rotate, the second sprocket drives the first sprocket to rotate through the chain, and the first rotating rod drives the winding roller Rotate, and then the take-up roller can roll up the curtain. Through the setting of the curtain and the pocket, paper scores can be placed in the pocket for display, or the score can be projected onto the curtain through a projector for display, with various functions.

The utility model can be conveniently stored and carried during use, can project and display music scores, has various functions, simple structure and is convenient to use.

Description of drawings

Fig. 1 is a structural schematic diagram of a front view of a musical score display device with a winding structure proposed by the utility model;

Fig. 2 is a schematic structural view of a music score display device mounting seat with a winding structure proposed by the utility model;

Fig. 3 is an enlarged structural schematic diagram of part A in Fig. 2 of a musical score display device with a rolling structure proposed by the utility model.

In the figure: 1. Base; 2. Universal wheel; 3. Pillar; 4. Sliding post; 5. Mounting seat; ; 10, curtain; 11, pocket; 12, empty slot; 13, detent; 14, spring; 15, first sprocket wheel; 16, chain; 17, second sprocket wheel; 18, second rotating rod; 19, Mounting slot; 20, gear; 21, gear rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Embodiment one

Referring to Figures 1 and 2, a music score display device with a rolling structure includes a base 1, four universal wheels 2 are mounted on the bottom of the base 1, and a pillar 3 is fixedly installed on the top of the base 1 by welding. A chute is opened on the top of the chute, and a sliding column 4 is installed slidingly in the chute. The outer side of the sliding column 4 is fixedly installed with a cover plate 6 by welding, and the outer side of the pillar 3 is fixedly installed with a mounting seat 5 by welding. There is a winding groove 7, and a winding mechanism is arranged in the winding groove 7. The winding mechanism includes a first rotating rod 8, and one side of the mounting base 5 is provided with a second through hole, and the second through hole is connected with the winding groove 7 and The empty slots 12 communicate with each other, and the first rotating rod 8 is rotated and installed in the second through hole. The outer side of the first rotating rod 8 is provided with a winding roller 9 through a welding fixed sleeve, and the outer side of the winding roller 9 is connected with the curtain 10, and the mounting seat 5 is provided with an empty slot 12, the bottom of the cover plate 6 is fixedly connected with a curtain 10, and the curtain 10 is fixedly connected with two symmetrical pockets 11, and the outer side of the sliding post 4 is provided with two symmetrical card slots, and the inner wall of the chute A sliding hole is provided, and a bayonet pin 13 is slidably installed in the slide hole, and the bayonet pin 13 is matched with two bayonet grooves. The outer side of the bayonet pin 13 is sheathed with a spring 14, and the two ends of the spring 14 are connected with the outside of the pillar 3 and the bayonet respectively. The outside of pin 13 is fixedly connected by welding, and one end of the first rotating rod 8 is fixedly installed with the first sprocket 15 by welding, and the other end of the second rotating rod 18 is fixedly installed with the second sprocket 17 by welding. 15 and the second sprocket 17 are engaged with the same chain 16, and when the second rotating rod 18 rotates, the second sprocket 17 can drive the first sprocket 15 to rotate through the chain 16.

Referring to Fig. 3, one side of the sliding column 4 is provided with a mounting groove 19, and the inner wall of one side of the mounting groove 19 is fixedly installed with a gear rod 21 by welding, and the inner wall of one side of the empty groove 12 is provided with a first through hole, and the first through hole It communicates with the chute, and a second rotating rod 18 is rotated in the first through hole. One end of the second rotating rod 18 is fixedly installed with a gear 20 by welding, and the gear 20 meshes with the gear rod 21. When the sliding column 4 moves vertically , the gear bar 21 can drive the gear 20 to rotate.

In this embodiment, when in use, by pulling the bayonet pin 13, through the arrangement of the bayonet pin 13 and the two bayonet grooves, the bayonet pin 13 can be separated from the bayonet groove to release the positioning of the sliding column 4, and then by pulling the sliding column 4 moves vertically upwards, the sliding column 4 drives the gear rod 21 to move vertically upwards, the gear rod 21 drives the gear 20 to rotate, the gear 20 drives the second rotating rod 18 to rotate, the second rotating rod 18 drives the second sprocket 17 to rotate, and the second rotating rod 18 drives the second sprocket 17 to rotate. The second sprocket 17 drives the first sprocket 15 to rotate through the chain 16, the first sprocket 15 drives the first rotating rod 8 to rotate, the first rotating rod 8 drives the winding roller 9 to rotate, and the winding roller 9 can relax the curtain 10 At the same time, the cover plate 6 can drive the curtain 10 to move vertically upwards. Through the setting of the two pockets 11, the paper score can be placed in the pocket 11 for display, or the score can be projected onto the curtain 10 by a projector for display. Various functions, after use, you can pull the bayonet pin 13 again, the bayonet pin 13 is separated from the bayonet slot to release the positioning of the sliding column 4, and then push the sliding column 4 to move vertically downward, and the cover plate 6 can drive the curtain 10 moves vertically downward, and at the same time, the sliding column 4 drives the gear bar 21 to move vertically downward, the gear bar 21 drives the gear 20 to rotate, the gear 20 drives the second rotating rod 18 to rotate, and the second rotating rod 18 drives the second sprocket 17 Rotate, the second sprocket 17 drives the first sprocket 15 to rotate through the chain 16, the first sprocket 15 drives the first rotating rod 8 to rotate, and the first rotating rod 8 drives the winding roller 9 to rotate, and the winding roller 9 can rotate against the screen 10 for winding, which can effectively reduce the occupied volume and facilitate portability.

Embodiment two

The difference between this embodiment and Embodiment 1 is that an electric push rod is fixedly installed on the inner wall of the bottom of the chute, and the output shaft of the electric push rod is fixedly connected with the bottom of the sliding column 4. By opening the electric push rod, the electric push rod drives the sliding column 4 moves vertically, and then the sliding column 4 can be automatically lifted.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (5)

1. A musical score display device with a rolling structure, comprising a base (1), characterized in that the bottom of the base (1) is rotatably equipped with four universal wheels (2), and the top of the base (1) is fixed The pillar (3) is installed, the top of the pillar (3) is provided with a chute, the sliding column (4) is slidably installed in the chute, the outer side of the sliding column (4) is fixedly installed with a cover plate (6), the pillar (3) The outside of the mounting seat (5) is fixedly installed, and the top of the mounting seat (5) is provided with a winding groove (7), and a winding mechanism is arranged in the winding groove (7), and an empty groove is opened in the mounting seat (5) (12), the bottom of the cover plate (6) is fixedly connected with a curtain (10), and the curtain (10) is fixedly connected with two symmetrical pockets (11). 2. A kind of music score display device with a rolling structure according to claim 1, characterized in that, one side of the sliding column (4) is provided with a mounting groove (19), and one side of the mounting groove (19) A gear rod (21) is fixedly installed on the inner wall, and a first through hole is opened on the inner wall of one side of the empty slot (12), the first through hole communicates with the chute, and a second rotating rod (18) is installed in the first through hole for rotation , one end of the second rotating rod (18) is fixedly equipped with a gear (20), and the gear (20) meshes with the toothed rod (21). 3. A music score display device with a roll-up structure according to claim 2, characterized in that, the roll-up mechanism includes a first rotating rod (8), and a second Through hole, the second through hole communicates with the winding groove (7) and the empty groove (12), the first rotating rod (8) is rotatably installed in the second through hole, and the outer side of the first rotating rod (8) is fixedly sleeved A winding roller (9) is arranged, and the outer side of the winding roller (9) is connected with the curtain (10). 4. A kind of music score display device with winding structure according to claim 3, characterized in that, one end of the first rotating rod (8) is fixedly equipped with a first sprocket (15), and the second rotating rod The other end of (18) is fixedly installed with the second sprocket (17), and the first sprocket (15) and the second sprocket (17) are meshed with the same chain (16). 5. A music score display device with a rolling structure according to claim 4, characterized in that two symmetrical slots are provided on the outside of the sliding column (4), and sliding holes are provided on the inner wall of the sliding slot , a bayonet pin (13) is slidably installed in the sliding hole, and the bayonet pin (13) is matched with two bayonet grooves, and a spring (14) is set on the outside of the bayonet pin (13), and the two ends of the spring (14) are respectively connected with the The outside of the pillar (3) is fixedly connected with the outside of the bayonet pin (13).