CN216961795U

CN216961795U - But angle regulation's piano score frame

Info

Publication number: CN216961795U
Application number: CN202220154409.9U
Authority: CN
Inventors: 姚小林
Original assignee: Huzhou Huapu Piano Manufacturing Co ltd
Current assignee: Huzhou Huapu Piano Manufacturing Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-15
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to the technical field of piano teaching devices, and discloses an angle-adjustable piano score frame which comprises a fixed sleeve and a lifting column, wherein the lifting column is connected to the inner wall of the fixed sleeve in a sliding manner, a first telescopic pin is arranged on the right side of the upper surface of the fixed sleeve, clamping holes matched with multiple groups of first telescopic pins are formed in the outer surface of the lifting column, a rotating column is rotatably connected to the upper surface of the lifting column, and two groups of fixing plates are fixedly connected to the top of the outer surface of the lifting column. This but angle regulation's piano score frame uses through first backup pad, adjusting disk, the flexible round pin of second, axis of rotation and worm wheel cooperation for the user can rotate through the adjusting disk and place the board, and fixes the adjusting disk through the flexible round pin of second, and then adjusts the use inclination of placing the board, can shake the horizontal angle that the board was placed in the wheel regulation through rotating simultaneously, thereby further make things convenient for the adjustment work of personnel to the viewing direction of piano score, it is comparatively convenient to use.

Description

But angle regulation's piano score frame

Technical Field

The utility model relates to the technical field of piano teaching devices, in particular to a piano music stand with an adjustable angle.

Background

The piano is a keyboard instrument in western classical music, has a name of 'king of instrument', the piano score is usually recorded by staff, the piano is generally used for solo, repetition and accompaniment, the music composing and rehearsal are very convenient, the staff recording is a common notation method in the world at present, a user can play the piano or conduct a command by using a music stand to play against the music score, but the common music stand in life is deficient in angle adjustment.

For example, chinese patent application nos.: 201920210622.5, an adjustable angle piano music stand, substantially as described: including the support column, the work frame, the rotation post, the adapter sleeve, the dwang, the rotation head, the master gear, inferior gear and place the board, but this angle regulation's piano score frame, setting through the work frame, but made things convenient for the horizontal angle to this angle regulation's piano score frame to adjust, setting through fixture block and fixed slot, but made things convenient for the user to shift this angle regulation's piano score frame, alleviate the burden, the purpose of convenient dismantlement and transfer has been reached, but the device only can accomplish the horizontal rotation of placing the board, be difficult to adjust the inclination of placing the board, be difficult to better adaptation player's observation visual angle, and lack the fixing device to the piano score, the piano score drops from placing the board easily at the performance in-process, stability is relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an angle-adjustable piano score frame, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a piano music stand with adjustable angle comprises a fixed sleeve and a lifting column slidably connected to the inner wall of the fixed sleeve, wherein a first telescopic pin is arranged on the right side of the upper surface of the fixed sleeve, clamping holes matched with a plurality of groups of first telescopic pins are formed in the outer surface of the lifting column, a rotating column is rotatably connected to the upper surface of the lifting column, two groups of fixing plates are fixedly connected to the top of the outer surface of the lifting column, a worm and a rocking wheel are horizontally and rotatably connected to the inner side surface of each fixing plate through an inserted rotating shaft, a worm wheel meshed with the worm is fixedly sleeved on the outer surface of the rotating column, a tray is fixedly connected to the upper surface of the rotating column, two groups of first supporting plates are fixedly connected to the upper surface of the tray, an adjusting disc is horizontally and rotatably connected to the inner side surface of each first supporting plate through an inserted rotating pin, and a second telescopic pin is arranged on the top of the right side surface of the first supporting plate on the right side, the locating hole with the flexible round pin looks adaptation of second is seted up to the adjustment disk surface, the positive fixedly connected with of adjustment disk places the board, place the positive bottom fixedly connected with layer board, the equal fixedly connected with second backup pad in both sides about the layer board upper surface, the second backup pad medial surface rotates and is connected with the dwang, the clamp plate has all been cup jointed to the left and right sides of dwang surface, the torsional spring has been cup jointed at dwang surface middle part, fixedly connected with connecting plate between the outer end of torsional spring and the surface of dwang, fixedly connected with connecting block between the upper surface of torsional spring surface middle part and layer board, three supporting legs of bottom fixedly connected with of fixed sleeve surface.

Preferably, first telescopic pin includes the U-shaped board, and U-shaped board right flank slidable cartridge has the bolt, the fixed stop collar that has cup jointed in bolt surface, bolt surface cup joint the spring, and the second telescopic pin is the same with the structure of first telescopic pin.

Preferably, the inner wall of the fixed sleeve is provided with a lubricating grease layer, and the thickness of the lubricating grease layer on the inner wall of the fixed sleeve is two or five millimeters at zero point.

Preferably, the left side and the right side of the upper surface of the supporting plate are fixedly connected with reinforcing ribs, and the back surfaces of the reinforcing ribs are fixedly connected with the front surface of the placing plate.

Preferably, the inner side surface of the second support plate is provided with a ball bearing, and the second support plate is rotatably connected with the rotating rod through the ball bearing.

Preferably, the top end of the pressing plate is fixedly connected with a pressing roller, the pressing roller is made of rubber, and the inner side face of the pressing plate is fixedly connected with a pull rod.

(III) advantageous effects

Compared with the prior art, the utility model provides the piano music stand with the adjustable angle, which has the following beneficial effects:

1. this but angle regulation's piano score frame uses through first backup pad, adjusting disk, the flexible round pin of second, axis of rotation and worm wheel cooperation for the user can rotate through the adjusting disk and place the board, and fix the adjusting disk through the flexible round pin of second, and then adjusts the use inclination of placing the board, can shake the wheel through rotating simultaneously and adjust the horizontal angle of placing the board, thereby further make things convenient for the adjustment work of player to the direction of observation of piano score, it is comparatively convenient to use.

2. This but angle regulation's piano score frame, through the clamp plate, the dwang, the torsional spring, connecting plate and connecting block cooperation are used, make the player when placing the piano score, can pull up the clamp plate, the clamp plate drives dwang and connecting plate rotation, the torsional spring is screwed up to the connecting plate, place the piano score on placing the board, loosen the clamp plate, the torsional spring resets, the clamp plate compresses tightly fixedly to the piano score automatically, thereby further reduced the probability that the piano score drops playing the in-process, the device's stability has been improved, and further made things convenient for the fixed work of user to the piano score.

3. This but angle regulation's piano score frame, through the fixed sleeve, the lift post, screens hole and first telescopic pin cooperation are used, make the user adjust the use height of placing the board through the volume that stretches out that changes the lift post, and adjust through first telescopic pin and screens hole cooperation and fix the lift post, thereby further made things convenient for the user to the regulation work of piano score use height, made things convenient for the user to use, through setting up the supporting leg, make the supporting leg support the bottom of the device, thereby the probability that the device emptys has been reduced, the stability of the device when using has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an expanded view of the present invention;

FIG. 3 is a partial structural schematic diagram of the present invention.

In the figure: 1. fixing the sleeve; 2. a lifting column; 201. a position clamping hole; 3. a first retractable pin; 301. a U-shaped plate; 302. a bolt; 303. a limiting ring; 304. a spring; 4. rotating the column; 5. a fixing plate; 6. a rotating shaft; 7. a worm; 8. shaking the wheel; 9. a worm gear; 10. a tray; 11. a first support plate; 12. a rotation pin; 13. an adjusting disk; 1301. positioning holes; 14. a second retractable pin; 15. placing the plate; 16. a support plate; 17. a second support plate; 18. rotating the rod; 19. pressing a plate; 20. a torsion spring; 21. a connecting plate; 22. connecting blocks; 23. and (5) supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a piano score frame with adjustable angle comprises a fixed sleeve 1 and a lifting column 2 which is connected with the inner wall of the fixed sleeve 1 in a sliding way, wherein the right side of the upper surface of the fixed sleeve 1 is provided with a first telescopic pin 3, the outer surface of the lifting column 2 is provided with a plurality of clamping holes 201 which are matched with the first telescopic pins 3, the upper surface of the lifting column 2 is rotationally connected with a rotating column 4, the top of the outer surface of the lifting column 2 is fixedly connected with two groups of fixed plates 5, the inner side surface of each fixed plate 5 is horizontally rotationally connected with a worm 7 and a rocking wheel 8 through an inserted rotating shaft 6, the outer surface of the rotating column 4 is fixedly sleeved with a worm wheel 9 which is meshed with the worm 7, the upper surface of the rotating column 4 is fixedly connected with a tray 10, the upper surface of the tray 10 is fixedly connected with two groups of first supporting plates 11, the inner side surface of each first supporting plate 11 is horizontally rotationally connected with an adjusting disc 13 through an inserted rotating pin 12, the top of the right side surface of the first supporting plate 11 on the right side is provided with a second telescopic pin 14, the outer surface of the adjusting disk 13 is provided with a positioning hole 1301 matched with the second telescopic pin 14, the front surface of the adjusting disk 13 is fixedly connected with a placing plate 15, the front bottom of the placing plate 15 is fixedly connected with a supporting plate 16, the left side and the right side of the upper surface of the supporting plate 16 are both fixedly connected with a second supporting plate 17, the inner side surface of the second supporting plate 17 is rotatably connected with a rotating rod 18, the left side and the right side of the outer surface of the rotating rod 18 are both fixedly sleeved with a pressing plate 19, the middle part of the outer surface of the rotating rod 18 is sleeved with a torsion spring 20, a connecting plate 21 is fixedly connected between the outer end of the torsion spring 20 and the outer surface of the rotating rod 18, a connecting block 22 is fixedly connected between the middle part of the outer surface of the torsion spring 20 and the upper surface of the supporting plate 16, the bottom of the outer surface of the fixing sleeve 1 is fixedly connected with three groups of supporting legs 23, and the user can rotate the placing plate 15 through the first supporting plate 11, the adjusting disk 13, the second telescopic pin 14, the rotating shaft 6 and the worm wheel 9, the adjusting plate 13 is fixed through the second telescopic pin 14, the use inclination angle of the placing plate 15 is adjusted, and the horizontal angle of the placing plate 15 can be adjusted through rotating the rocking wheel 8, so that the adjustment work of the observation direction of the piano score by a player is further facilitated, the use is convenient, the pressing plate 19, the rotating rod 18, the torsion spring 20, the connecting plate 21 and the connecting block 22 are matched for use, so that the pressing plate 19 can be pulled up when the player places the piano score, the pressing plate 19 drives the rotating rod 18 and the connecting plate 21 to rotate, the torsion spring 20 is screwed by the connecting plate 21, the piano score is placed on the placing plate 15, the pressing plate 19 is loosened, the torsion spring 20 is reset, the pressing plate 19 automatically compresses and fixes the piano score, the probability that the piano score drops in the playing process is further reduced, the stability of the device is improved, and the fixing work of the piano score by the user is further facilitated, through fixed sleeve 1, lift post 2, screens hole 201 and the cooperation of first telescopic pin 3 are used, make the user adjust the use height of placing board 15 through the volume that stretches out that changes lift post 2, and adjust through the cooperation of first telescopic pin 3 and screens hole 201 and fix lift post 2, thereby further made things convenient for the user to the regulation work of piano score use height, made things convenient for the user to use, through setting up supporting leg 23, make supporting leg 23 support the device's bottom, thereby the probability that the device emptys has been reduced, the stability when the device uses has been improved.

In the utility model, in order to facilitate the adjustment work of the user on the placing plate 15, the first telescopic pin 3 comprises a U-shaped plate 301, a bolt 302 is slidably inserted into the right side surface of the U-shaped plate 301, a limit ring 303 is fixedly sleeved on the outer surface of the bolt 302, a spring 304 is sleeved on the outer surface of the bolt 302, and the second telescopic pin 14 has the same structure as the first telescopic pin 3, so that the user can adjust the height of the placing plate 15 through the first telescopic pin 3 and adjust the use inclination angle of the placing plate 15 through the second telescopic pin 14.

In the utility model, in order to further enhance the movement fluency of the lifting column 2, the lubricating grease layer is arranged on the inner wall of the fixed sleeve 1, and the thickness of the lubricating grease layer on the inner wall of the fixed sleeve 1 is two to five millimeters at zero, so that the friction force between the fixed sleeve 1 and the lifting column 2 is reduced, and the movement fluency of the lifting column 2 is further enhanced.

In the present invention, in order to further enhance the stability of the connection between the supporting plate 16 and the placing plate 15, the reinforcing ribs are fixedly connected to both the left and right sides of the upper surface of the supporting plate 16, the back surfaces of the reinforcing ribs are fixedly connected to the front surface of the placing plate 15, and the reinforcing ribs are provided, so that the stability of the connection between the supporting plate 16 and the placing plate 15 is further enhanced.

In the present invention, in order to further enhance the stability of the rotation lever 18, the ball bearing is provided on the inner surface of the second support plate 17, the second support plate 17 is rotatably connected to the rotation lever 18 by the ball bearing, and the ball bearing is provided, thereby further enhancing the stability of the rotation lever 18.

In the utility model, in order to further improve the fixing effect of the pressing plate 19 on the piano score, the top end of the pressing plate 19 is fixedly connected with the pressing roller, the pressing roller is made of rubber, the inner side surface of the pressing plate 19 is fixedly connected with the pull rod, and the pressing roller is arranged, so that the fixing effect of the pressing plate 19 on the piano score is further improved.

When the lifting device is used, the first telescopic pin 3 is pulled, the first telescopic pin 3 is separated from the clamping hole 201, the supporting plate 16 is lifted, the lifting column 2 is pulled out from the fixing sleeve 1, the use height of the placing plate 15 is adjusted, the first telescopic pin 3 is loosened, the first telescopic pin 3 is inserted into the clamping hole 201, the lifting column 2 is fixed by the first telescopic pin 3, the rocking wheel 8 is rotated, the rocking wheel 8 drives the worm 7 to rotate through the rotating shaft 6, the worm 7 drives the rotating column 4 to rotate through the worm wheel 9, the rotating column 4 drives the placing plate 15 to rotate through the tray 10 and the first supporting plate 11, so that the use angle of the placing plate 15 is adjusted, the second telescopic pin 14 is pulled, the second telescopic pin 14 is separated from the positioning hole 1301, the placing plate 15 is rotated through the adjusting plate 13, the use inclination angle of the placing plate 15 is adjusted, the second telescopic pin 14 is loosened, the adjusting plate 13 is fixed by the second telescopic pin 14, the pressing plate 19 is pulled up, the clamp plate 19 drives the rotating rod 18 and the connecting plate 21 to rotate, the torsion spring 20 is screwed up by the connecting plate 21, the piano score is placed on the placing plate 15, the clamp plate 19 is loosened, the torsion spring 20 resets, and the clamp plate 19 automatically compresses and fixes the piano score.

To sum up, but this angle regulation's piano score frame is through first backup pad 11, adjusting disk 13, second expansion pin 14, axis of rotation 6 and worm wheel 9 cooperation use for the user can rotate through adjusting disk 13 and place board 15, and fix adjusting disk 13 through second expansion pin 14, and then adjust the use inclination of placing board 15, can adjust the horizontal angle of placing board 15 through rotating rocking wheel 8 simultaneously, thereby further make things convenient for the adjustment work of player to the direction of observation of piano score, it is comparatively convenient to use.

This but angle regulation's piano score frame, through clamp plate 19, dwang 18, torsional spring 20, connecting plate 21 and connecting block 22 cooperation are used, make the player when placing the piano score, can pull up clamp plate 19, clamp plate 19 drives dwang 18 and connecting plate 21 rotation, torsional spring 20 is screwed up to connecting plate 21, place the piano score on placing board 15, loosen clamp plate 19, torsional spring 20 resets, clamp plate 19 compresses tightly fixedly to the piano score automatically, thereby further reduced the piano score and playing the probability that the in-process dropped, the stability of the device has been improved, and further made things convenient for the fixed work of user to the piano score.

This but angle regulation's piano score frame, through fixed sleeve 1, lift post 2, screens hole 201 and the cooperation of first telescopic pin 3 are used, make the user adjust the use height of placing board 15 through the volume that stretches out that changes lift post 2, and adjust through the cooperation of first telescopic pin 3 and screens hole 201 and fix lift post 2, thereby further made things convenient for the user to the regulation work of piano score use height, made things convenient for the user to use, through setting up supporting leg 23, make supporting leg 23 support the device's bottom, thereby the probability that the device emptys has been reduced, the stability when the device uses has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable angle's piano score frame, includes fixed sleeve (1) and sliding connection at lifting column (2) of fixed sleeve (1) inner wall, its characterized in that: the right side of the upper surface of the fixed sleeve (1) is provided with a first telescopic pin (3), the outer surface of the lifting column (2) is provided with clamping holes (201) matched with a plurality of groups of the first telescopic pins (3), the upper surface of the lifting column (2) is rotatably connected with a rotating column (4), the top of the outer surface of the lifting column (2) is fixedly connected with two groups of fixed plates (5), the inner side surface of each fixed plate (5) is horizontally and rotatably connected with a worm (7) and a rocking wheel (8) through an insertion rotating shaft (6), the outer surface of the rotating column (4) is fixedly sleeved with a worm wheel (9) meshed with the worm (7), the upper surface of the rotating column (4) is fixedly connected with a tray (10), the upper surface of the tray (10) is fixedly connected with two groups of first supporting plates (11), the inner side surface of each first supporting plate (11) is horizontally and rotatably connected with an adjusting disc (13) through an insertion rotating pin (12), the top of the right side face of the first supporting plate (11) on the right side is provided with a second telescopic pin (14), the outer surface of the adjusting plate (13) is provided with a positioning hole (1301) matched with the second telescopic pin (14), the adjusting plate (13) is fixedly connected with a placing plate (15), the front bottom of the placing plate (15) is fixedly connected with a supporting plate (16), the left side and the right side of the upper surface of the supporting plate (16) are both fixedly connected with a second supporting plate (17), the inner side of the second supporting plate (17) is rotatably connected with a rotating rod (18), the left side and the right side of the outer surface of the rotating rod (18) are both fixedly sleeved with a pressing plate (19), the middle part of the outer surface of the rotating rod (18) is sleeved with a torsion spring (20), a connecting plate (21) is fixedly connected between the outer end of the torsion spring (20) and the outer surface of the rotating rod (18), and a connecting block (22) is fixedly connected between the middle part of the outer surface of the torsion spring (20) and the upper surface of the supporting plate (16), the bottom of the outer surface of the fixed sleeve (1) is fixedly connected with three groups of supporting legs (23).

2. The piano music stand of claim 1, wherein: first flexible round pin (3) are including U-shaped board (301), and U-shaped board (301) right flank slidable cartridge has bolt (302), the fixed cover in bolt (302) surface has cup jointed spacing ring (303), and bolt (302) surface has cup jointed spring (304), and second flexible round pin (14) are the same with the structure of first flexible round pin (3).

3. The piano music stand of claim 1, wherein: the inner wall of the fixed sleeve (1) is provided with a lubricating grease layer, and the thickness of the lubricating grease layer on the inner wall of the fixed sleeve (1) is two to five millimeters at zero.

4. The piano music stand of claim 1, wherein: the left side and the right side of the upper surface of the supporting plate (16) are fixedly connected with reinforcing ribs, and the back surfaces of the reinforcing ribs are fixedly connected with the front surface of the placing plate (15).

5. The piano music stand of claim 1, wherein: the inner side surface of the second supporting plate (17) is provided with a ball bearing, and the second supporting plate (17) is rotatably connected with the rotating rod (18) through the ball bearing.

6. The piano music stand of claim 1, wherein: the pressing plate is characterized in that a pressing roller is fixedly connected to the top end of the pressing plate (19), the pressing roller is made of rubber, and a pull rod is fixedly connected to the inner side face of the pressing plate (19).