CN114009930A

CN114009930A - Music stand device for piano professional training

Info

Publication number: CN114009930A
Application number: CN202111183754.1A
Authority: CN
Inventors: 史晓睿
Original assignee: Jinan vocational college
Current assignee: Jinan vocational college
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-02-08

Abstract

The invention discloses a music stand device for piano professional training, and relates to the technical field of music stand placing racks. The technical key points are as follows: including placing the board, place board bottom fixedly connected with baffle, place and seted up a plurality of through holes on the board, it has still been seted up a pair of through groove on the board to place, the installing port has been seted up to through groove one side, it is equipped with spacing subassembly to insert in the installing port, it is equipped with the spacing groove to run through the inslot side, still including a plurality of coupling assembling, coupling assembling arranges in and runs through the inslot, coupling assembling passes through the spacing groove with placing the board, through groove sliding connection, coupling assembling one side fixedly connected with compresses tightly the subassembly, coupling assembling with place board laminating department fixedly connected with boss, a plurality of recesses have been seted up on the boss, coupling assembling inserts and locates in the recess, it is equipped with angle adjusting part to place board one side, angle adjusting part is equipped with supporting component. The invention has the advantages that the music score with different sizes can be compacted, and the angle of the music score can be conveniently and rapidly adjusted.

Description

Music stand device for piano professional training

Technical Field

The invention relates to the technical field of music score placing racks, in particular to a music score rack device for piano professional training.

Background

In the use of piano, in order to make things convenient for the operation, need use the music stand to place the music score, guarantee convenience and the stability of watching and operating. But current music stand is simple cross support structure more, but also is unfavorable for stably adjusting inclination and places, and adaptability is poor, to the not musical instrument register for easy reference of equidimension, is unfavorable for adjusting the support moreover, and the result of use is unsatisfactory.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a music stand device for piano professional training, which has the advantages of being capable of compressing music scores with different sizes and simultaneously being convenient for quickly adjusting the angles of the music scores.

The above object of the present invention is achieved by the following technical solutions:

a music stand device for the professional training of pianos comprises a placing plate, the bottom of the placing plate is fixedly connected with a baffle plate, the placing plate is provided with a plurality of through holes and a pair of through grooves, a mounting opening is arranged on one side of the through groove, a limiting component is inserted in the mounting opening, a limiting groove is arranged on the inner side of the through groove, and the connecting device also comprises a plurality of connecting components, the connecting component is arranged in the through groove, the connecting component is connected with the placing plate in a sliding way through the limiting groove and the through groove, one side of the connecting component is fixedly connected with a pressing component, a boss is fixedly connected at the joint of the connecting component and the placing plate, the novel angle adjusting device is characterized in that a plurality of grooves are formed in the boss, the connecting assembly is inserted into the grooves, an angle adjusting assembly is arranged on one side of the placing plate, and the angle adjusting assembly is provided with a supporting assembly.

By adopting the technical scheme, the arranged placing plate is convenient for placing the music score, the arranged baffle is convenient for limiting the position of the music score placed on the placing plate, and the music score is placed on the placing plate without being compressed, so that the music score slides off the placing plate; the through holes are arranged, so that the weight of the device can be reduced, the gravity center of the device can not be higher, the overall stability of the device is improved, and the device is convenient to carry; the arranged through groove is convenient for the connecting component to slide in the through groove of the placing plate, the pressing position of the pressing component is convenient to adjust, the pressing component can shield musical notes on the music score to the minimum, meanwhile, the device is suitable for placing music scores with different sizes, and the practicability of the device is improved; the limiting groove is arranged to limit the position of the connecting assembly in the through groove, so that the connecting assembly cannot slip off the through groove of the placing plate; the arranged pressing assembly is convenient for pressing the music score placed on the placing plate; the lug boss and the groove are arranged, so that the sliding position of the connecting assembly in the through groove is conveniently limited, the connecting assembly cannot shake after the pressing assembly presses the music score, and the stability of the music score on the placing plate is guaranteed; the angle adjusting component is convenient for adjusting the angle of the placing plate, so that the angle of the music score placed on the placing plate is suitable for a user; the supporting component is convenient to support the device, and is convenient to use.

The present invention in a preferred example may be further configured to: coupling assembling includes the square column, the square column is arranged in run through the inslot, the square column with place the board and pass through run through groove sliding connection, the equal fixedly connected with gag lever post in square column both sides, the gag lever post is inserted and is located spacing inslot and both sliding connection, square column one end fixedly connected with mounting panel, the square column other end fixedly connected with limiting plate, the cover is equipped with the fly leaf on the square column, the fly leaf with square column sliding connection, the fly leaf is close to a plurality of lugs of boss one side fixedly connected with, the lug is inserted and is located in the recess, the equal fixedly connected with control ring in fly leaf both sides, still the cover is equipped with first spring on the square column, first spring both ends respectively with fly leaf, limiting plate fixed connection.

By adopting the technical scheme, the square column is convenient to rotate in the through groove when the square column slides in the through groove on the placing plate; the limiting rod is arranged to be convenient to match with the limiting groove in the through groove to fix the square column on the placing plate, so that the square column cannot slide along the axial direction of the square column; the arranged mounting plate is convenient for mounting the pressing assembly and limiting the position of the square column; the arranged movable plate is convenient for driving the movable plate to enable the lug on the movable plate to be away from the groove on the boss, so that the square column can slide on the through groove, and the lug is inserted into the groove on the boss to limit the sliding of the square column; the arranged first spring is convenient for tightly propping the movable plate and the boss, so that the lug cannot be separated from the groove on the boss when the movable plate is not subjected to external force; the arranged control ring is convenient for adjusting the position of the movable plate on the square column and driving the square column to slide in the through groove on the placing plate; the limiting plate that sets up is convenient for fix the position of first spring.

The present invention in a preferred example may be further configured to: compress tightly the subassembly and include the pivot, the pivot with mounting panel fixed connection, the cover is equipped with the sleeve in the pivot and rotates between the two to be connected, sleeve one end fixedly connected with U type frame, fixedly connected with fixed axle in the U type frame, the fixed axle both ends all overlap and are equipped with the connecting plate, the connecting plate with the fixed axle rotates to be connected, still including the depression bar, two the connecting plate all with depression bar fixed connection, the cover is equipped with the torsional spring on the fixed axle, the torsional spring both sides respectively with the depression bar U type frame butt.

By adopting the technical scheme, the sleeve and the U-shaped frame can conveniently rotate on the mounting plate through the arranged rotating shaft, the pressing angle of the pressing rod can be conveniently adjusted, and the shielding of the pressing rod on notes on the music score can be reduced; the arranged fixed shaft is convenient for mounting the torsion spring, and the pressure lever can rotate around the fixed shaft through the connecting plate; the torsional spring that sets up is convenient for make the depression bar support tightly with placing the board all the time through torsional spring's torsional elasticity, makes the depression bar compress tightly the music score.

The present invention in a preferred example may be further configured to: one end of the pressing rod is rotatably connected with a pressing plate, and one side of the pressing plate, which is close to the placing plate, is fixedly connected with a rubber anti-slip mat.

By adopting the technical scheme, the arranged pressing plate is convenient for increasing the contact area between the pressing rod and the music score, and the music score can be conveniently and better fixed on the placing plate; the anti-skidding rubber pad that sets up is convenient for increase the frictional force of clamp plate and bent register of staff contact position, makes and is difficult for rocking between clamp plate and the bent register of staff, also can protect simultaneously that the bent register of staff can not scraped by the clamp plate and is damaged.

The present invention in a preferred example may be further configured to: the supporting assembly comprises a first supporting rod, a second supporting rod is sleeved at the bottom end of the first supporting rod and is in sliding connection with the second supporting rod, a locking bolt is inserted into the side face of the second supporting rod and is in threaded connection with the second supporting rod, one end of the locking bolt penetrates through the second supporting rod and the first supporting rod in butt joint, and a plurality of supporting legs are fixedly connected to the bottom end of the second supporting rod.

By adopting the technical scheme, the arranged first supporting rod is connected with the second supporting rod in a sliding manner, so that the height of the device can be conveniently adjusted by adjusting the position of the first supporting rod in the second supporting rod, and the device can meet the requirements of users; the locking bolt is arranged to fix the position between the first support rod and the second support rod conveniently, so that the first support rod cannot slide in the second support rod after the position between the first support rod and the second support rod is fixed; the supporting legs that set up are convenient for increase second bracing piece and terminal surface area, make the second bracing piece can not rock.

The present invention in a preferred example may be further configured to: the angle adjusting component comprises a semicircular plate, the semicircular plate is fixedly connected with the placing plate, a plurality of inserting grooves are formed in the arc-shaped surface of the semicircular plate, inserting rods are inserted into one of the inserting grooves, slide rods are fixedly connected with the bottoms of the inserting rods, a U-shaped support frame is rotatably connected with the center of the semicircular plate, the bottom end of the U-shaped support frame is fixedly connected with the top end of the first support rod, the bottom end of each slide rod penetrates through the U-shaped support frame and is in sliding connection with the U-shaped support frame, the bottom end of each slide rod is inserted into the corresponding first support rod, a drive plate is fixedly connected with the bottom end of each slide rod and is in sliding connection with the corresponding first support rod, a second spring is fixedly connected with the bottom of each drive plate, a drive groove is formed in one side of the corresponding first support rod, and a drive rod is inserted into the drive groove, the driving rod is connected with the driving groove in a sliding mode, the sliding direction of the driving rod is the same as that of the sliding rod, and the driving rod is fixedly connected with the driving plate.

By adopting the technical scheme, the arranged semicircular plate is convenient for placing the plate and the semicircular plate to rotate around the U-shaped support frame, and the semicircular plate and the U-shaped support frame cannot interfere with each other; the U-shaped support frame is convenient for fixing the position of the device on the first support rod; the arranged inserting groove is convenient for sliding in the first supporting rod by controlling the driving plate, so that the sliding rod and the inserting rod at the top end of the sliding rod are far away from the inserting groove, the semicircular plate and the placing plate can rotate around the U-shaped supporting frame, the angle of the placing plate is convenient to adjust, and the adjusted position is convenient to fix; the second spring is arranged to facilitate the driving plate to slide in the first supporting rod under the action of the second spring after the driving rod is loosened, and the inserting rod at the top end of the sliding rod is inserted into the inserting groove on the semicircular plate to fix the semicircular plate and the placing plate.

The present invention in a preferred example may be further configured to: the limiting assembly comprises a limiting block, the limiting block is connected with the through groove in a sliding mode, mounting blocks are fixedly connected to the two sides of the limiting block, the mounting blocks are connected with the placing plates through positioning bolts, the positioning bolts are connected with the placing plates in a threaded mode, and the positioning bolts are connected with the mounting blocks in a rotating mode.

Through adopting above-mentioned technical scheme, the stopper that sets up is convenient for restrict the square column sliding of running through the inslot on placing the board, avoids the square column roll-off on placing the board, and the cooperation installation piece and positioning bolt of being convenient for simultaneously are fixed the stopper in the position that runs through the inslot, when needs are changed or are maintained the square column, rotatable positioning bolt takes out the stopper in running through the inslot, easy to assemble, dismantlement.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the arranged placing plate is convenient for placing the music score, the arranged baffle is convenient for limiting the position of the music score placed on the placing plate, the music score is placed on the placing plate without being compressed, and the music score slides off the placing plate; the through holes are arranged, so that the weight of the device can be reduced, the gravity center of the device can not be higher, the overall stability of the device is improved, and the device is convenient to carry; the arranged through groove is convenient for the connecting component to slide in the through groove of the placing plate, the pressing position of the pressing component is convenient to adjust, the pressing component can shield musical notes on the music score to the minimum, meanwhile, the device is suitable for placing music scores with different sizes, and the practicability of the device is improved; the limiting groove is arranged to limit the position of the connecting assembly in the through groove, so that the connecting assembly cannot slip off the through groove of the placing plate; the arranged pressing assembly is convenient for pressing the music score placed on the placing plate; the lug boss and the groove are arranged, so that the sliding position of the connecting assembly in the through groove is conveniently limited, the connecting assembly cannot shake after the pressing assembly presses the music score, and the stability of the music score on the placing plate is guaranteed; the angle adjusting component is convenient for adjusting the angle of the placing plate, so that the angle of the music score placed on the placing plate is suitable for a user; the supporting component is convenient for supporting the device and is convenient to use;

2. the square column is arranged so that when the square column slides in the through groove on the placing plate, the square column cannot rotate in the through groove; the limiting rod is arranged to be convenient to match with the limiting groove in the through groove to fix the square column on the placing plate, so that the square column cannot slide along the axial direction of the square column; the arranged mounting plate is convenient for mounting the pressing assembly and limiting the position of the square column; the arranged movable plate is convenient for driving the movable plate to enable the lug on the movable plate to be away from the groove on the boss, so that the square column can slide on the through groove, and the lug is inserted into the groove on the boss to limit the sliding of the square column; the arranged first spring is convenient for tightly propping the movable plate and the boss, so that the lug cannot be separated from the groove on the boss when the movable plate is not subjected to external force; the arranged control ring is convenient for adjusting the position of the movable plate on the square column and driving the square column to slide in the through groove on the placing plate; the limiting plate is arranged to fix the position of the first spring conveniently;

3. the arranged rotating shaft is convenient for the sleeve and the U-shaped frame to rotate on the mounting plate, the pressing angle of the pressure lever can be conveniently adjusted, and the shielding of the pressure lever on notes on a music score can be reduced; the arranged fixed shaft is convenient for mounting the torsion spring, and the pressure lever can rotate around the fixed shaft through the connecting plate; the torsional spring that sets up is convenient for make the depression bar support tightly with placing the board all the time through torsional spring's torsional elasticity, makes the depression bar compress tightly the music score.

Drawings

FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a second perspective view of the overall structure of the device of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of the connecting assembly and the compressing assembly;

FIG. 6 is an enlarged schematic view of the structure at B in FIG. 3;

FIG. 7 is a schematic view of the internal structure of FIG. 6;

FIG. 8 is an enlarged schematic view of the structure at C in FIG. 1;

fig. 9 is a schematic structural view of the limiting assembly.

Reference numerals: 1. placing the plate; 2. a through groove; 3. a baffle plate; 4. a connecting assembly; 41. a compression assembly; 411. a rotating shaft; 412. a sleeve; 413. a U-shaped frame; 414. a fixed shaft; 415. a torsion spring; 416. a connecting plate; 417. a pressure lever; 418. pressing a plate; 42. a square column; 43. mounting a plate; 44. a limiting rod; 45. a movable plate; 46. a bump; 47. a control loop; 48. a limiting plate; 49. a first spring; 5. a support assembly; 51. a first support bar; 52. a second support bar; 53. supporting legs; 54. locking the bolt; 6. a through hole; 7. an angle adjustment assembly; 71. a semicircular plate; 72. inserting grooves; 73. a drive rod; 74. a drive slot; 75. a drive plate; 76. a slide bar; 77. a plug rod; 78. a U-shaped support frame; 79. a second spring; 8. a boss; 9. a groove; 10. a limiting component; 101. a limiting block; 102. positioning the bolt; 103. mounting blocks; 11. a limiting groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figures 1 and 2, the music stand device for piano professional training disclosed by the invention comprises a placing plate 1, a baffle 3 is fixedly connected to the bottom of the placing plate 1, a plurality of through holes 6 are formed in the placing plate 1, a pair of through grooves 2 are further formed in the placing plate 1, an installation opening is formed in one side of each through groove 2, a limiting component 10 is inserted in each installation opening, as shown in figure 8, a limiting groove 11 is formed in the inner side of each through groove 2, a plurality of connecting components 4 are further included, the connecting components 4 are arranged in the through grooves 2, the connecting components 4 are in sliding connection with the placing plate 1 through the limiting grooves 11 and the through grooves 2, a pressing component 41 is fixedly connected to one side of each connecting component 4, a boss 8 is fixedly connected to the joint of the connecting components 4 and the placing plate 1, a plurality of grooves 9 are formed in the boss 8, the connecting components 4 are inserted in the grooves 9, an angle adjusting component 7 is arranged on one side of the placing plate 1, the angle adjustment assembly 7 is provided with a support assembly 5.

As shown in fig. 3 and 4, the connecting assembly 4 includes a square column 42, the square column 42 is disposed in the through groove 2, the square column 42 and the placing plate 1 are slidably connected through the through groove 2, as shown in fig. 5, both sides of the square column 42 are fixedly connected with a limiting rod 44, the limiting rod 44 is a square rod, so as to fix the position of the square column 42 in the through groove 2, the square column 42 is not separated from the placing plate 1, the limiting rod 44 is inserted in the limiting groove 11 and slidably connected with the limiting groove 11, one end of the square column 42 is fixedly connected with a mounting plate 43, the other end of the square column 42 is fixedly connected with a limiting plate 48, the square column 42 is sleeved with a movable plate 45, the movable plate 45 is slidably connected with the square column 42, one side of the movable plate 45 close to the boss 8 is fixedly connected with a plurality of bumps 46, the bumps 46 are inserted in the groove 9, both sides of the movable plate 45 are fixedly connected with control rings 47, the square column 42 is further sleeved with a first spring 49, and both ends of the first spring 49 are respectively connected with the movable plate 45 and the movable plate 45, The position-limiting plate 48 is fixedly connected, and when the movable plate 45 is not subjected to an external force, the first spring 49 is in a compressed state.

As shown in fig. 5, the pressing assembly 41 includes a rotating shaft 411, the rotating shaft 411 is fixedly connected to the mounting plate 43, the rotating shaft 411 is sleeved with a sleeve 412, and the sleeve 412 is rotatably connected to the rotating shaft 411, one end of the sleeve 412 is fixedly connected to a U-shaped frame 413, a fixing shaft 414 is fixedly connected to the inside of the U-shaped frame 413, a hole matched with the fixing shaft 414 is formed in the U-shaped frame 413, the fixing shaft 414 is in interference fit with the hole in the U-shaped frame 413, the fixing shaft 414 and the U-shaped frame 413 are conveniently fixed, two ends of the fixing shaft 414 are sleeved with connecting plates 416, the connecting plates 416 are rotatably connected to the fixing shaft 414, the pressing rod 417 is further included, the two connecting plates 416 are fixedly connected to the pressing rod 417, the fixing shaft 414 is sleeved with a torsion spring 415, and two sides of the torsion spring 415 are respectively abutted to the pressing rod 417 and the U-shaped frame 413.

As shown in fig. 5, one end of the pressing rod 417 is rotatably connected with a pressing plate 418, one side of the pressing plate 418 close to the placing plate 1 is fixedly connected with a rubber non-slip mat, the rubber non-slip mat is not shown in the figure, and the rubber non-slip mat can increase the friction force between the pressing plate 418 and the music score, so that the music score cannot slide between the pressing plate 418 and the placing plate 1, and meanwhile, the music score can be protected from being scratched by the pressing plate 418.

As shown in fig. 2 and 3, the supporting assembly 5 includes a first supporting rod 51, a second supporting rod 52 is sleeved at a bottom end of the first supporting rod 51 and is slidably connected to the first supporting rod 51, a locking bolt 54 is inserted on a side surface of the second supporting rod 52, the locking bolt 54 is in threaded connection with the second supporting rod 52, one end of the locking bolt 54 penetrates through the second supporting rod 52 and abuts against the first supporting rod 51, a plurality of supporting legs 53 are fixedly connected to a bottom end of the second supporting rod 52, the number of the supporting legs 53 is four, and the supporting legs are distributed in a circumferential array with respect to the second supporting rod 52.

As shown in fig. 6 and 7, the angle adjusting assembly 7 includes a semi-circular plate 71, the semi-circular plate 71 is fixedly connected to the placing plate 1, a plurality of inserting slots 72 are formed on an arc surface of the semi-circular plate 71, an inserting rod 77 is inserted into one of the inserting slots 72, a sliding rod 76 is fixedly connected to a bottom of the inserting rod 77, a U-shaped supporting frame 78 is rotatably connected to a center of the semi-circular plate 71, a bottom end of the U-shaped supporting frame 78 is fixedly connected to a top end of the first supporting rod 51, a bottom end of the sliding rod 76 penetrates through the U-shaped supporting frame 78 and is slidably connected to the same, a bottom end of the sliding rod 76 is inserted into the first supporting rod 51, a driving plate 75 is fixedly connected to a bottom end of the sliding rod 76, the driving plate 75 is slidably connected to the first supporting rod 51, relative rotation between the driving plate 75 and the first supporting rod 51 cannot occur, a second spring 79 is fixedly connected to a bottom of the 75, a bottom of the second spring 79 is fixedly connected to the second supporting rod 52, when the driving plate 75 is not subjected to an external force, the second spring 79 is in a compressed state, a driving groove 74 is formed in one side of the first support rod 51, a driving rod 73 is inserted into the driving groove 74, the driving rod 73 is connected with the driving groove 74 in a sliding mode, the sliding direction of the driving rod 73 is the same as that of the sliding rod 76, the driving rod 73 is fixedly connected with the driving plate 75, the driving rod 73 is connected with the driving plate 75 through bolts, and the axes of the bolts coincide with the axes of the driving rod 73, so that the driving rod 73 is convenient to replace.

As shown in fig. 8 and fig. 9, the limiting assembly 10 includes a limiting block 101, the limiting block 101 is slidably connected with the through groove 2, the square column 42 is conveniently replaced and maintained by the limiting block 101, the square column 42 is conveniently taken off from the placing plate 1, the mounting blocks 103 are fixedly connected to two sides of the limiting block 101, the mounting blocks 103 are connected with the placing plate 1 through positioning bolts 102, the positioning bolts 102 are in threaded connection with the placing plate 1, and the positioning bolts 102 are rotatably connected with the mounting blocks 103.

The implementation principle of the embodiment is as follows: when the device is used, the device is moved to a proper position for use, the locking bolt 54 is rotated to prevent the locking bolt 54 from abutting against the first support rod 51, the first support rod 51 can slide in the second support rod 52, the position of the first support rod 51 in the second support rod 52 is adjusted to enable the height of the placing plate 1 to be suitable for a user, and the locking bolt 54 is rotated to enable the locking bolt 54 to tightly push the first support rod 51 in the second support rod 52, so that the positions of the first support rod 51 and the second support rod 52 are fixed; when the angle of the placing board 1 needs to be adjusted, one hand holds the placing board 1, the other hand toggles the driving rod 73, so that the driving rod 73 slides in the driving groove 74 of the first supporting rod 51, the driving rod 73 slides to drive the driving plate 75 and the sliding rod 76 to slide in the first supporting rod 51, meanwhile, the second spring 79 is pressed, so that the second spring 79 is stressed and compressed, the sliding rod 76 slides to enable the insertion rod 77 at the top end of the sliding rod 76 to be separated from the insertion groove 72 on the semicircular plate 71, and at the moment, the placing plate 1 can be rotated, the placing plate 1 and the semi-circular plate 71 rotate in the U-shaped supporting frame 78, so that the angle of the placing plate 1 reaches the position suitable for a user to watch, the driving rod 73 is loosened, so that the driving plate 75, the sliding rod 76 and the inserting rod 77 are inserted into the inserting groove 72 on the semicircular plate 71 again under the restoring force of the second spring 79, and the position between the semicircular plate 71 and the U-shaped supporting frame 78 is kept fixed; when the piano music score is placed, the piano music score is placed on the placing plate 1, the baffle plate 3 can support the music score, so that the music score can not slide on the placing plate 1, when the music score needs to be pressed, the control ring 47 can be pulled, the movable plate 45 can slide on the square column 42 and compress the first spring 49, the lug 46 on the movable plate 45 is far away from the groove 9 on the boss 8, the pressing rod 417 can be pulled, the pressing rod 417 can rotate around the U-shaped frame 413, when the pressing rod 417 rotates around the U-shaped frame 413, the torsion spring 415 is pressed, the pressing plate 418 at one end of the pressing rod 417 is far away from the surface of the placing plate 1, the square column 42 can slide in the through groove 2 on the placing plate 1, after the pressing position of the pressing plate 418 is conveniently adjusted, the control ring 47 is loosened, the movable plate 45 can slide on the square column 42 under the restoring force of the first spring 49, and the lug 46 at one side of the movable plate 45 is inserted into the groove 9 on the boss 8, the square column 42 is fixed on the placing plate 1 in the through groove 2, the pressure lever 417 can be rotated, the pressure lever 417 drives the U-shaped frame 413 and the sleeve 412 to rotate around the rotating shaft 411, the pressure plate 418 at one end of the pressure lever 417 can compress the music score, the pressure lever 417 is loosened after the pressure lever 417 is adjusted to a proper position, and the pressure lever 417 and the pressure plate 418 compress the music score under the action force of the torsion spring 415 on the placing plate 1.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a piano specialty training is with music stand device, is including placing board (1), its characterized in that: the bottom of the placing plate (1) is fixedly connected with a baffle (3), the placing plate (1) is provided with a plurality of through holes (6), the placing plate (1) is further provided with a pair of through grooves (2), one side of each through groove (2) is provided with a mounting opening, a limiting component (10) is inserted in each mounting opening, the inner side of each through groove (2) is provided with a limiting groove (11), the placing plate further comprises a plurality of connecting components (4), each connecting component (4) is arranged in each through groove (2), each connecting component (4) and the placing plate (1) are in sliding connection through the corresponding limiting groove (11) and the corresponding through groove (2), one side of each connecting component (4) is fixedly connected with a pressing component (41), a boss (8) is fixedly connected with the joint of each connecting component (4) and the placing plate (1), and each boss (8) is provided with a plurality of grooves (9), the connecting assembly (4) is inserted into the groove (9), an angle adjusting assembly (7) is arranged on one side of the placing plate (1), and a supporting assembly (5) is arranged on the angle adjusting assembly (7).

2. The stand device for piano professional training according to claim 1, wherein: the connecting assembly (4) comprises a square column (42), the square column (42) is arranged in the through groove (2), the square column (42) is connected with the placing plate (1) in a sliding mode through the through groove (2), limiting rods (44) are fixedly connected to two sides of the square column (42), the limiting rods (44) are inserted in the limiting grooves (11) and are connected in a sliding mode, a mounting plate (43) is fixedly connected to one end of the square column (42), a limiting plate (48) is fixedly connected to the other end of the square column (42), a movable plate (45) is sleeved on the square column (42), the movable plate (45) is connected with the square column (42) in a sliding mode, the movable plate (45) is close to a plurality of convex blocks (46) fixedly connected to one side of the boss (8), the convex blocks (46) are inserted in the groove (9), and control rings (47) are fixedly connected to two sides of the movable plate (45), still overlap on square column (42) and be equipped with first spring (49), first spring (49) both ends respectively with fly leaf (45), limiting plate (48) fixed connection.

3. The stand device for piano professional training according to claim 2, wherein: compress tightly subassembly (41) including pivot (411), pivot (411) with mounting panel (43) fixed connection, the cover is equipped with sleeve (412) and rotates between the two and connect in pivot (411), sleeve (412) one end fixedly connected with U type frame (413), fixedly connected with fixed axle (414) in U type frame (413), fixed axle (414) both ends all are equipped with connecting plate (416), connecting plate (416) with fixed axle (414) rotate to be connected, still including depression bar (417), two connecting plate (416) all with depression bar (417) fixed connection, the cover is equipped with torsional spring (415) on fixed axle (414), torsional spring (415) both sides respectively with depression bar (417), U type frame (413) butt.

4. The stand device for piano professional training according to claim 3, wherein: one end of the pressure lever (417) is rotatably connected with a pressure plate (418), and the pressure plate (418) is close to one side of the placing plate (1) and is fixedly connected with a rubber non-slip mat.

5. The stand device for piano professional training according to claim 1, wherein: support assembly (5) are including first bracing piece (51), first bracing piece (51) bottom cover is equipped with second bracing piece (52) and sliding connection between the two, it is equipped with locking bolt (54) to insert on second bracing piece (52) side, locking bolt (54) with second bracing piece (52) threaded connection, locking bolt (54) one end is run through second bracing piece (52) with first bracing piece (51) butt, a plurality of supporting legs (53) of second bracing piece (52) bottom fixedly connected with.

6. The stand device for piano professional training according to claim 5, wherein: the angle adjusting assembly (7) comprises a semicircular plate (71), the semicircular plate (71) is fixedly connected with the placing plate (1), a plurality of inserting grooves (72) are formed in the arc-shaped surface of the semicircular plate (71), an inserting rod (77) is inserted into one inserting groove (72), a sliding rod (76) is fixedly connected to the bottom of the inserting rod (77), a U-shaped supporting frame (78) is rotatably connected to the center of the semicircular plate (71), the bottom end of the U-shaped supporting frame (78) is fixedly connected with the top end of the first supporting rod (51), the bottom end of the sliding rod (76) penetrates through the U-shaped supporting frame (78) and is slidably connected with the U-shaped supporting frame (78), the bottom end of the sliding rod (76) is inserted into the first supporting rod (51), a driving plate (75) is fixedly connected to the bottom end of the sliding rod (76), and the driving plate (75) is slidably connected with the first supporting rod (51), drive plate (75) bottom fixedly connected with second spring (79), second spring (79) bottom with second bracing piece (52) fixed connection, drive groove (74) have been seted up to first bracing piece (51) one side, drive groove (74) interpolation is equipped with actuating lever (73), actuating lever (73) with sliding connection between drive groove (74), actuating lever (73) slip direction with slide bar (76) slip direction is the same, actuating lever (73) with fixed connection between drive plate (75).

7. The stand device for piano professional training according to claim 1, wherein: the limiting assembly (10) comprises a limiting block (101), the limiting block (101) is connected with the through groove (2) in a sliding mode, mounting blocks (103) are fixedly connected to two sides of the limiting block (101), the mounting blocks (103) are connected with the placing plate (1) through positioning bolts (102), the positioning bolts (102) are in threaded connection with the placing plate (1), and the positioning bolts (102) are rotatably connected with the mounting blocks (103).