CN112967704B - A music score fixing device for music performance - Google Patents

Abstract

The present invention relates to the field of music performance auxiliary instruments. The purpose is to provide a music score fixing device for music performance, which includes a score board and an automatic page turning mechanism provided on the score board. The lower edge of the score board is provided with a folding edge that is bent toward the front; the automatic page turning mechanism The mechanism includes a central rotating rod arranged at the center of the top of the music board, and the top of the central rotating rod is provided with a transverse short sleeve; the automatic page turning mechanism also includes a main swing rod, a negative pressure air pump and a page turning suction cup; One end of the main swing rod is inserted into the short casing and is tightened by a locking bolt provided on the short casing; the other end of the main swing rod is provided with a page-turning suction cup for adsorbing music pages, and the negative pressure The air inlet end of the air pump is connected to the page-turning suction cup through an air hose that runs inside the main swing rod. The invention can realize automatic page turning of music scores quickly and conveniently, avoids the impact on performance, has a simple structure, low cost, and is easy to promote and popularize.

Description

A music score fixing device for music performance

Technical field

The invention relates to the field of auxiliary instruments for music performance, and in particular to a music score fixing device for music performance.

Background technique

In the process of music performance, in order to facilitate the performer to view the music score, it is usually necessary to fix the music score on a music stand. The current traditional music stand is a support leg, with an inclined music board installed on the upper part of the support leg. Place directly on the music board for use. In order to improve the function of the music stand, the existing music stand has been expanded in terms of height adjustment, angle adjustment, foldability, etc. However, the automatic page turning function has always been a major problem in the function expansion of the music stand. In theory, if Displaying music scores through electronic display and automatic page-turning display of music scores through multimedia equipment can effectively solve this technical problem. However, in actual use, it is affected by comprehensive factors such as cost, use occasion, and music score material. , it is impractical to use all electronic music scores. There are relatively few existing technologies for expanding the automatic page turning function of paper music scores. Even if some manufacturers have launched some music stands with automatic page turning function, their structures are often extremely complex and the cost is high. It does not have the potential to be popularized.

Contents of the invention

The object of the present invention is to provide an easy-to-use music score fixing device with automatic page turning function.

In order to achieve the above-mentioned object of the invention, the technical solution adopted by the present invention is: a music score fixing device for music performance, which includes a music board and an automatic page turning mechanism provided on the music board. The lower edge of the music board is provided with a direction facing Front folded hem;

The automatic page turning mechanism includes a central rotating rod arranged in the center of the top of the score board, and a short horizontal sleeve is provided on the top of the central rotating rod; the automatic page turning mechanism also includes a main swing lever, a negative pressure air pump and a turning lever. page suction cup; one end of the main swing rod is inserted into the short casing and is tightened by a locking bolt provided on the short casing; the opposite end of the main swing rod and the short casing is provided with an inverted L-shaped The end plate, the negative pressure air pump is installed on the end plate; the other end of the main swing rod is provided with a page-turning suction cup for adsorbing music pages, and the air inlet end of the negative pressure air pump is threaded inside the main swing rod The gas transmission hose is connected to the page-turning suction cup; the automatic page-turning mechanism also includes a stepper motor, the stepper motor is installed on the mounting bracket at the top of the back of the music board, and the output end of the stepper motor is connected to the center rotating rod connect.

Preferably, the automatic page turning mechanism further includes a suction cup breakaway assembly, which includes an inclined suction cup swing bar provided at one end of the main swing bar away from the short sleeve, and the page turning suction cup is fixedly provided on the suction cup swing bar. At the lower end of the suction cup swing bar, the middle section of the suction cup swing bar is hinged with the main swing bar, and a torsion spring for driving the suction cup swing bar to reset is fixedly provided at the hinge;

The automatic page turning mechanism also includes a driving curved rod arranged on the top of the side of the music board away from the suction cup swing bar. The suction cup swing bar moves toward the driving curved bar driven by the main swing bar, and at the end of the movement stroke, By driving the curved rod to squeeze the upper section of the suction cup swing bar, the suction cup swing bar is driven to swing around the hinge, so as to drive the page-turning suction cup provided at the lower end of the suction cup swing bar to move upward and away from the area corresponding to the music board.

Preferably, the main swing rod is composed of a hollow section near one end of the short sleeve and an inner pipe section near one end of the suction cup swing rod. The inner pipe section is penetrated in the hollow section and forms a damped sliding fit with the hollow section;

A sliding card is provided at the bottom of the driving curved rod. The sliding card is arranged on the edge of the top of the music board and forms a sliding fit with the music board. The sliding card is locked with the music board through an adjusting bolt.

Preferably, the spectrum board includes an upper board body and a lower board body, two vertical height adjustment sleeves are provided on the left and right sides of the back of the upper board body, and there are two vertical height adjustment sleeves on the left and right sides of the back of the lower board body. Two vertical height-adjusting inserting rods; the two height-adjusting inserting rods are correspondingly inserted into the two height-adjusting sleeves, and form a damped sliding fit with the height-adjusting sleeves.

Preferably, the height adjustment rod is provided with a scale mark.

Preferably, the side of the front of the upper plate body away from the starting position of the rotation stroke of the main swing rod is also provided with a backstop for preventing the music sheet from turning back. The backstop includes an up and down arrangement provided on the upper plate body. Two parallel ear plates, a rotating drum is arranged between the ear plates, and two rubber elastic strips are arranged symmetrically on the center of the rotating drum; the rotating drum and the driving motor fixed on the upper plate body Transmission connection.

Preferably, the rubber elastic strip is made of transparent rubber.

Preferably, it also includes a foot-operated controller, which includes a controller body, a page-turning button is provided on the top of the controller body, and a fixed suction cup is provided on the bottom.

Preferably, the mounting bracket on the back of the music board is also provided with a terminal controller, the terminal controller is connected to the foot-operated controller via Bluetooth communication, and the terminal controller is electrically connected to the drive motor and the stepper motor.

The beneficial effects of the present invention are concentrated in that it can quickly and conveniently realize automatic page turning of music scores, avoid affecting the performance, and has a simple structure, low cost, and is easy to promote and popularize. Specifically, during the use of the present invention, the music score is opened and placed on the folded edge, so that the music score is backed against the music board. When page turning is required, the negative pressure air pump is turned on, causing the suction port of the page turning suction cup to form suction, and the music score will be turned. The turned page of music sticks to it. The stepper motor drives the central rotating rod to rotate, the central rotating rod drives the short sleeve to rotate, and the short sleeve drives the main swing rod installed on it to rotate, and finally drives the music page to follow the main swing rod to rotate to the music board on the other side. Realize automatic page turning. After the page turning is completed, the negative pressure air pump is turned off, and the main swing lever returns to the starting position, waiting for the next action cycle. Compared with the traditional manual page turning method, the present invention can effectively reduce the impact on the performance and ensure the smoothness of the performance. At the same time, the structure is simple. In addition, the page turning of the music score is realized by adsorption. It has strong versatility and can be used for various purposes. A kind of physical music score, which is not affected by the material of the music score.

Description of the drawings

Figure 1 is a schematic structural diagram of the present invention;

Figure 2 is a rear view of Figure 1;

Figure 3 is a schematic structural diagram of the driving bending rod;

Figure 4 is a schematic diagram of the installation of rubber elastic strips on the rotating drum;

Figure 5 is a schematic structural diagram of the foot-operated controller.

Detailed ways

As shown in Figures 1-5, a music score fixing device for music performance includes a score board 1 and an automatic page turning mechanism provided on the score board 1. The lower edge of the score board 1 is provided with a front-facing bent The hem 2. The music board 1 of the present invention is usually installed on a bracket for use. The bracket has functions such as lifting, rotating, etc., of course, in some cases, it can also be used directly alone. The folding width of the lower edge of the music board 1 of the present invention is usually about 5-8CM, which can meet the usage requirements of most music scores.

For music scores of different heights, in order to facilitate the placement of music scores, the music board 1 of the present invention includes an upper board body 1-1 and a lower board body 1-2. The left and right sides of the back of the upper board body 1-1 are arranged There are two vertical height adjustment sleeves 16, and two vertical height adjustment insertion rods 17 are provided on the left and right sides of the back of the lower plate body 1-2. The two height adjustment insert rods 17 are correspondingly inserted into the two height adjustment sleeves 16 and form a damped sliding fit with the height adjustment sleeves 16 . The damping is a sliding fit that requires a certain amount of force to drive its movement. The damping sliding can be formed by adding rubber sleeves, hoses, etc. between the two relatively sliding bodies. In order to more intuitively reflect the height of the music board 1, the height adjustment rod 17 is provided with a scale mark.

The biggest difference of the present invention is that, as shown in Figure 1, the automatic page turning mechanism includes a central rotating rod 3 arranged at the center of the top of the music board 1, and the top of the central rotating rod 3 is provided with a short horizontal sleeve tube 4. One end of the main swing rod 5 is inserted into the short sleeve 4 and is tightened by a locking bolt provided on the short sleeve 4, which facilitates disassembly and installation, making disassembly and assembly more flexible and free. The automatic page turning mechanism also includes a main swing lever 5 , a negative pressure air pump 6 and a page turning suction cup 7 . The opposite end of the main swing rod 5 and the short sleeve 4 is provided with an inverted L-shaped end plate, and the negative pressure air pump 6 is installed on the end plate to achieve stable fixation. The other end of the main swing bar 5 is provided with a page-turning suction cup 7 for adsorbing music pages. The air inlet end of the negative pressure air pump 6 passes through an air hose that is threaded inside the main swing bar 5 and the page-turning suction cup 7 The gas transmission hose has a certain length margin to ensure its normal rotation and bending. The automatic page turning mechanism also includes a stepper motor 8, which is installed on the mounting bracket 9 on the back top of the music board 1, and the output end of the stepper motor 8 is connected to the central rotating rod 3.

During the use of the present invention, the music score is opened and placed on the folded edge 2, so that the music score is backed against the music board 1. When it is necessary to turn the page, the negative pressure air pump 6 is turned on, so that the suction port of the page turning suction cup 7 forms suction force, and the suction port of the page turning suction cup 7 is turned on. The turned page of music sticks to it. The stepper motor 8 drives the central rotating rod 3 to rotate, the central rotating rod 3 drives the short sleeve 4 to rotate, the short sleeve 4 drives the main swing rod 5 installed on it to rotate, and finally drives the music sheet to follow the main swing rod 5 to rotate to another direction. There is 1 music board on one side to realize automatic page turning. After the page turning is completed, the negative pressure air pump 6 is turned off, and the main swing lever 5 returns to the starting position, waiting for the next action cycle. Compared with the traditional manual page turning method, the present invention can effectively reduce the impact on the performance and ensure the smoothness of the performance. At the same time, the structure is simple. In addition, the page turning of the music score is realized by adsorption. It has strong versatility and can be used for various purposes. A kind of physical music score, which is not affected by the material of the music score.

In actual use, when the page turning is completed, the page turning suction cup 7 should not rotate directly driven by the main swing rod 5, but should rise to leave the corresponding area of the music board 1, that is to say, it is rotating During the process, the pages that have been turned should not be affected. In order to achieve this purpose, the methods that can be adopted include using a lifting motor to move the main swing bar 5 upward as a whole. However, the structure of this method is too complicated. For this reason, the better method of the present invention can be as follows.

The automatic page turning mechanism also includes a suction cup breakaway assembly, which includes an inclined suction cup swing bar 10 provided at one end of the main swing bar 5 away from the short sleeve 4, and the page turning suction cup 7 is fixedly provided on the suction cup swing bar. At the lower end of the rod 10, the middle section of the suction cup swing bar 10 is hinged with the main swing bar 5, and a torsion spring for driving the suction cup swing bar 10 to reset is fixedly provided at the hinge. When the torsion spring is in its natural state, the suction cup swing bar 10 is in an inclined state. To make the suction cup swing bar 10 leave the corresponding area of the music board 1, the suction cup swing bar 10 needs to be driven to rotate against the elastic force of the torsion spring. To this end, the automatic page turning mechanism also includes a driving curved rod 11 disposed on the top of the music board 1 away from the suction cup swing bar 10. The suction cup swing bar 10 moves toward the driving curved bar 11 driven by the main swing bar 5. , and at the end of the moving stroke, by driving the curved rod 11 to squeeze the upper section of the suction cup swing bar 10, the suction cup swing bar 10 is driven to swing around the hinge, so as to drive the page turning suction cup 7 provided at the lower end of the suction cup swing bar 10 upward. The movement departs from the area corresponding to spectrum plate 1. That is to say, at the end of the page-turning action, when the page-turning suction cup 7 no longer sucks air, the suction cup swing bar 10 rotates until it contacts the driving curved rod 11. During the continuous rotation of the main swing bar 5, the suction cup swing bar 10 Squeeze and rotate, thereby driving the page-turning suction cup 7 to lift. After the lifting is completed, the backstop 18 presses the music page. At this time, the main swing rod 5 returns again, and it no longer affects the music page that has been turned. The specific form of the backstop 18 is detailed below.

During actual use of the suction cup detachment assembly of the present invention, in order to adapt to music pages of different widths, the length of the main swing rod 5 and the position of the driving bending rod 11 should be adjustable. To this end, the main swing rod 5 is composed of a hollow section 12 close to one end of the short sleeve 4 and an inner pipe section 13 close to one end of the suction cup swing rod 10. The inner pipe section 13 is penetrated in the hollow section 12 and is connected with the hollow section. 12 constitutes a damped sliding fit. A sliding card 14 is provided at the bottom of the driving curved rod 11 . The sliding card 14 is clamped on the edge of the top of the music board 1 and forms a sliding fit with the music board 1 . The sliding card 14 is locked with the music board 1 through the adjusting bolt 15 .

As shown in Figure 1, the side of the front of the upper plate body 1-1 away from the starting position of the rotation stroke of the main swing lever 5 is also provided with a backstop 18 for preventing the music sheet from turning back. The backstop 18 The function is to prevent the score page from rebounding. As shown in Figures 1 and 4, the backstop 18 includes two mutually parallel ear plates 19 arranged up and down on the upper plate body 1-1, and a rotating drum 20 is arranged between the ear plates 19. , two rubber elastic strips 21 are arranged symmetrically on the center of the rotating drum 20 . The rotating drum 20 is drivingly connected to a driving motor 22 fixedly provided on the upper plate body 1-1. Every time a page is turned, the drum 20 rotates half a circle and the music page is pressed tightly by the rubber elastic pressure strip 21 . In order to avoid the rubber elastic strip 21 from causing interference to viewing, the rubber elastic strip 21 is made of transparent rubber.

In addition, the present invention also includes a controller for controlling the action of the automatic page turning mechanism, which can use a foot-operated controller. The foot-operated controller includes a controller body 23. The controller body 23 has a A page turning button 24 is provided at the top, and a fixed suction cup is provided at the bottom. The installation is realized by fixation, and the page turning button 24 is used for operation. It is foreseeable that the page turning button 24 must have pressure sensors, position sensors and other devices with electromechanical detection functions inside, as well as circuit boards, etc. This is a structure that those skilled in the art can flexibly and freely design according to the needs of use. In the present invention No longer. In order to achieve wireless control, the mounting bracket 9 on the back of the music board 1 is also provided with a terminal controller 25. The terminal controller 25 is connected to the foot-operated controller via Bluetooth communication. The terminal controller 25 is connected to the drive motor 22. , the stepper motor 8 is electrically connected.

Claims (6)

1. A music score fixing device for music performance, including a score board (1) and an automatic page turning mechanism provided on the score board (1). The lower edge of the score board (1) is provided with a front-bending Fold(2); It is characterized in that: the automatic page turning mechanism includes a central rotating rod (3) arranged at the top center of the music board (1), and a transverse short sleeve (4) is provided on the top of the central rotating rod (3); The automatic page turning mechanism also includes a main swing lever (5), a negative pressure air pump (6) and a page turning suction cup (7); one end of the main swing lever (5) is inserted into the short casing (4), and It is tightened by the locking bolt provided on the short casing (4); the end of the main swing rod (5) opposite to the short casing (4) is provided with an inverted L-shaped end plate, and the negative pressure air pump ( 6) Installed on the end plate; the other end of the main swing rod (5) is provided with a page-turning suction cup (7) for adsorbing music pages, and the air inlet end of the negative pressure air pump (6) is passed through the main The air hose inside the swing rod (5) is connected to the page-turning suction cup (7); the automatic page-turning mechanism also includes a stepper motor (8), and the stepper motor (8) is installed on the music board (1) on the mounting bracket (9) on the top of the back, and the output end of the stepper motor (8) is connected to the center rotating rod (3); The automatic page turning mechanism also includes a suction cup detachment assembly, which includes an inclined suction cup swing bar (10) provided at one end of the main swing bar (5) away from the short sleeve (4). The page turning suction cup (7) It is fixedly arranged at the lower end of the suction cup swing bar (10). The middle section of the suction cup swing bar (10) is hinged with the main swing bar (5), and a device for driving the suction cup swing bar (10) to reset is fixedly provided at the hinge. torsion spring; The automatic page turning mechanism also includes a driving curved rod (11) arranged on the top of the music board (1) away from the suction cup swing bar (10). The suction cup swing bar (10) is driven by the main swing bar (5). Move downwards toward the driving curved rod (11), and at the end of the movement stroke, the driving curved rod (11) squeezes the upper section of the suction cup swing rod (10), driving the suction cup swing rod (10) to swing around the hinge, so as to Drive the page-turning suction cup (7) provided at the lower end of the suction cup swing bar (10) to move upward and away from the area corresponding to the music board (1); The main swing rod (5) is composed of a hollow section (12) near one end of the short sleeve (4) and an inner pipe section (13) near one end of the suction cup swing rod (10). The inner pipe section (13) is threaded through In the hollow section (12), and forming a damped sliding fit with the hollow section (12); A sliding card (14) is provided at the bottom of the driving curved rod (11). The sliding card (14) is clamped on the edge of the top of the music board (1) and forms a sliding fit with the music board (1); The sliding card (14) is locked with the music board (1) through the adjusting bolt (15); The music board (1) includes an upper board body (1-1), and the front side of the upper board body (1-1) away from the starting position of the rotation stroke of the main swing lever (5) is also provided with a device to prevent the music sheet from turning. A backstop (18) that is turned back. The backstop (18) includes two mutually parallel ear plates (19) arranged up and down on the upper plate body (1-1). The ear plates (19) A rotating drum (20) is provided between 19), and two rubber elastic strips (21) are arranged symmetrically in the center of the rotating drum (20); the rotating drum (20) is fixedly mounted on the upper plate body (1- 1) The drive motor (22) on the drive connection. 2. The music score fixing device for music performance according to claim 1, characterized in that: the score board (1) also includes a lower board body (1-2), and the back side of the upper board body (1-1) Two vertical height adjustment sleeves (16) are provided on the left and right sides of the lower plate body (1-2), and two vertical height adjustment insert rods (17) are provided on the left and right sides of the back of the lower plate body (1-2); two The height adjustment insert rod (17) is correspondingly inserted into the two height adjustment sleeves (16), and forms a damped sliding fit with the height adjustment sleeves (16). 3. The music score fixing device for music performance according to claim 2, characterized in that: the height adjustment rod (17) is provided with a scale mark. 4. The music score fixing device for music performance according to claim 3, characterized in that: the rubber elastic strip (21) is made of transparent rubber. 5. The music score fixing device for music performance according to claim 4, characterized in that: it also includes a foot-operated controller, and the foot-operated controller includes a controller body (23), and the controller body (23) The top of 23) is provided with a page turning button (24), and the bottom is provided with a fixed suction cup. 6. The music score fixing device for music performance according to claim 5, characterized in that: a terminal controller (25) is also provided on the mounting bracket (9) on the back of the score board (1), and the terminal controller The device (25) is connected to the foot-operated controller via Bluetooth communication, and the terminal controller (25) is electrically connected to the drive motor (22) and the stepper motor (8).