CN216527655U - Fingering training device for piano teaching - Google Patents

Abstract

The utility model discloses a fingering training device for piano teaching, which comprises a main body, wherein a containing groove is formed in the surface of the main body in a penetrating manner, a sliding plate is embedded in the containing groove, a plurality of key models are fixed on the surface of the sliding plate, two sliding grooves with T-shaped cross sections are symmetrically formed in the inner walls of two sides of the containing groove, a sliding block with a T-shaped cross section is arranged on the inner side of each sliding groove, and one end of each sliding block is embedded into the containing groove and fixedly connected with the sliding plate; through the first sliding tray, bayonet lock, second sliding tray, through-hole, first spacing groove, extrusion piece, through hole, gag lever post of design, the convenience is adjusted the height of device, improves the flexibility to this user that adapts to different heights can restrict the sliding distance of bayonet lock through spacing hole and the plastics pole of design.

Description

Fingering training device for piano teaching

Technical Field

The utility model belongs to the technical field of piano teaching, and particularly relates to a fingering training device for piano teaching.

Background

The piano is a keyboard musical instrument in Western classical music and is known as the king of the musical instrument. The piano is composed of 88 keys and a metal string soundboard, the range of the sound range of the piano is from A0(27.5Hz) to C8(4186Hz), almost all tones in a tone system are contained, and the piano is a musical instrument with the widest sound range except for organs, so that more and more people now set up the learning piano, and generally choose a piano teacher to teach in a fixed classroom during learning, the space in the classroom is limited, a large amount of piano is impractical to put in the classroom, the expenditure and the space area are large, the daily teaching requirements of the piano are not met, and the initial fingering training is important for a learner of the piano, so a piano fingering training device is needed.

Present fingering trainer for piano teaching is when using, and its height can't be adjusted according to user's height, and the flexibility is lower, the fine exercise of inconvenient user, and the user often can be taken the hand on the sliding plate when the exercise moreover, builds bad play musical instrument custom, so need design a structure and solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fingering training device for piano teaching, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a fingering training device for piano teaching comprises a main body, wherein a containing groove penetrates through the surface of the main body, a sliding plate is embedded in the containing groove, a plurality of key models are fixed on the surface of the sliding plate, two sliding grooves with T-shaped cross sections are symmetrically formed in the inner walls of two sides of the containing groove, a sliding block with a T-shaped cross section is arranged on the inner side of each sliding groove, one end of each sliding block is embedded in the containing groove and fixedly connected with the sliding plate, two second supporting plates are symmetrically fixed at the bottom of the main body, a first sliding groove is formed in the top of each second supporting plate, a first supporting plate is embedded in each first sliding groove, the top end of each first supporting plate is fixedly connected with the main body, a plurality of clamping grooves are formed in the inner side of each first supporting plate at equal intervals, and first fixing blocks are fixed on the inner sides of the second supporting plates, the second sliding tray has been seted up to one side of first fixed block, the through-hole has been seted up in running through of one side inner wall of second sliding tray, two cross-sections are the first spacing groove of "L" type structure for the bilateral symmetry of through-hole is seted up to one side inner wall of second sliding tray, the inside of second sliding tray is provided with the bayonet lock, the one end of bayonet lock runs through the through-hole and imbeds to the inside that corresponds the draw-in groove, the both sides of bayonet lock are provided with two extrusion pieces for the inside symmetry of second sliding tray, the one end of extrusion piece is fixed with the limiting plate that the cross-section is "L" type structure, the one end embedding of limiting plate is to the inboard of first spacing groove.

Preferably, a plurality of balls are arranged on the inner wall surface of the sliding groove at equal intervals, and the balls are in rolling connection with the surface of the sliding block.

Preferably, one side of the bayonet lock is provided with a limiting hole in a penetrating manner, a plastic rod penetrates through the limiting hole, and two ends of the plastic rod are fixedly connected with the inner walls of two sides of the through hole respectively.

Preferably, a second limiting groove is formed in the bottom of the extrusion block, two fixing columns are symmetrically fixed to two sides of the clamping pin, one ends of the fixing columns are embedded into the corresponding second limiting groove, a spring groove is formed in one end of each fixing column, and a spring is connected between the inner wall of the spring groove and the inner wall of the second limiting groove.

Preferably, a through hole is formed in the top of the extrusion block in a penetrating mode, a limiting rod with an L-shaped section is embedded into the through hole, and one end of the limiting rod is fixedly connected with the fixing column.

Preferably, two second fixed blocks are symmetrically fixed on the front surface of the sliding plate, a third limit groove is formed in the top of each second fixed block, a support rod with a C-shaped cross section is arranged on the front surface of the sliding plate, two connecting blocks are symmetrically fixed at two ends of the support rod, and the connecting blocks are embedded into the corresponding third limit grooves.

Preferably, two fourth spacing grooves are symmetrically formed in the inner walls of the two sides of the third spacing groove, magnets are fixed inside the fourth spacing grooves, two iron blocks are symmetrically fixed on the two sides of the connecting block, and the iron blocks are embedded into the corresponding fourth spacing grooves and magnetically connected with the magnets.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the first sliding tray, bayonet lock, second sliding tray, through-hole, first spacing groove, extrusion piece, through hole, gag lever post of design, the convenience is adjusted the height of device, improves the flexibility to this user that adapts to different heights can restrict the sliding distance of bayonet lock through spacing hole and the plastics pole of design.

2. Through the bracing piece of design, can support user's hand, avoid it to place the hand on the surface of sliding plate for the user develops good play musical instrument custom, through second fixed block, connecting block, third spacing groove, fourth spacing groove, the iron plate of design, conveniently installs and dismantles the bracing piece.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a front cross-sectional view of area A of FIG. 1 in accordance with the present invention;

FIG. 4 is a front cross-sectional view of region B of FIG. 1 in accordance with the present invention;

FIG. 5 is a front cross-sectional view of area C of FIG. 1 in accordance with the present invention;

in the figure: 1. a main body; 2. accommodating grooves; 3. a sliding plate; 4. a first support plate; 5. a second support plate; 6. a first fixed block; 7. a support bar; 8. a second fixed block; 9. a chute; 10. a slider; 11. a card slot; 12. a first sliding groove; 13. a bayonet lock; 14. a second sliding groove; 15. a through hole; 16. a first limit groove; 17. extruding the block; 18. a through hole; 19. a limiting rod; 20. a second limit groove; 21. fixing a column; 22. a third limiting groove; 23. a fourth limit groove; 24. and (4) iron blocks.

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.

Examples

Referring to fig. 1 to 5, the present invention provides a technical solution: a fingering training device for piano teaching comprises a main body 1, wherein a containing groove 2 is formed in the surface of the main body 1 in a penetrating manner, the containing groove 2 can contain a sliding plate 3, the sliding plate 3 is embedded in the containing groove 2, a plurality of key models are fixed on the surface of the sliding plate 3 and can train the flexibility of fingers of a user, two sliding grooves 9 with T-shaped cross sections are symmetrically formed in the inner walls of the two sides of the containing groove 2, the sliding grooves 9 facilitate the sliding of sliding blocks 10, sliding blocks 10 with T-shaped cross sections are arranged on the inner sides of the sliding grooves 9, one ends of the sliding blocks 10 are embedded in the containing groove 2 and fixedly connected with the sliding plate 3, two second supporting plates 5 are symmetrically fixed at the bottom of the main body 1, a first sliding groove 12 is formed in the top of the second supporting plates 5, the first sliding groove 12 facilitates the sliding of the first supporting plate 4, and a first supporting plate 4 is embedded in the first sliding groove 12, the top end of the first supporting plate 4 is fixedly connected with the main body 1, a plurality of clamping grooves 11 are equidistantly arranged on the inner side of the first supporting plate 4, a first fixing block 6 is fixed on the inner side of the second supporting plate 5, a second sliding groove 14 is arranged on one side of the first fixing block 6, a through hole 15 is arranged on one inner wall of the second sliding groove 14 in a penetrating manner, the second sliding groove 14 and the through hole 15 facilitate the sliding of the clamping pin 13, two first limiting grooves 16 with L-shaped cross sections are symmetrically arranged on one inner wall of the second sliding groove 14 relative to two sides of the through hole 15, the clamping pin 13 is arranged in the second sliding groove 14, the clamping pin 13 and the clamping grooves 11 can limit the first supporting plate 4, one end of the clamping pin 13 is embedded into the corresponding clamping groove 11 in a penetrating manner through the through hole 15, two extruding blocks 17 are symmetrically arranged on two sides of the clamping pin 13 relative to the inner part of the second sliding groove 14, the extruding blocks 17 can drive the limiting plates to move in the same direction, a limiting plate with an L-shaped cross section is fixed at one end of the extrusion block 17, the limiting plate and the first limiting groove 16 can limit the bayonet 13, one end of the limiting plate is embedded into the inner side of the first limiting groove 16, a plurality of balls are arranged on the inner wall surface of the sliding groove 9 at equal intervals, the balls can reduce the friction force between the sliding blocks 10, the balls are in rolling connection with the surface of the sliding blocks 10, a limiting hole is formed in one side of the bayonet 13 in a penetrating mode, a plastic rod penetrates through the limiting hole and can limit the sliding distance of the bayonet 13, two ends of the plastic rod are fixedly connected with the inner walls of two sides of the through hole 15 respectively, a second limiting groove 20 is formed in the bottom of the extrusion block 17, two fixing columns 21 are symmetrically fixed on two sides of the bayonet 13, one end of each fixing column 21 is embedded into the corresponding second limiting groove 20, a spring groove is formed in one end of each fixing column 21, and a spring is connected between the inner wall of the spring groove and the inner wall of the second limiting groove 20, the spring can reset the extrusion block 17, a through hole 18 is formed in the top of the extrusion block 17 in a penetrating mode, a limiting rod 19 with an L-shaped section is embedded into the through hole 18, the limiting rod 19 can limit the extrusion block 17, and one end of the limiting rod 19 is fixedly connected with the fixed column 21; the structure is convenient to adjust the height of the device, and improves the flexibility, thereby being suitable for users with different heights.

In the embodiment, preferably, two second fixing blocks 8 are symmetrically fixed on the front surface of the sliding plate 3, a third limiting groove 22 is formed at the top of each second fixing block 8, each third limiting groove 22 can accommodate a connecting block, a supporting rod 7 with a C-shaped cross section is arranged on the front surface of the sliding plate 3, the supporting rod 7 can support the hand of a user to prevent the hand from being placed on the surface of the sliding plate 3, so that the user can form a good piano playing habit, two connecting blocks are symmetrically fixed at two ends of the supporting rod 7, the connecting blocks are embedded into the corresponding third limiting grooves 22, two fourth limiting grooves 23 are symmetrically formed in the inner walls of two sides of each third limiting groove 22, magnets are fixed inside the fourth limiting grooves 23, the magnets can improve the stability of the iron blocks 24, two iron blocks 24 are symmetrically fixed on two sides of the connecting blocks, the iron blocks 24 are embedded into the corresponding fourth limiting grooves 23, and is connected with the magnet magnetism, and this structure is convenient installs and dismantles bracing piece 7.

The working principle and the using process of the utility model are as follows: when the utility model is used, the sliding plate 3 can be pulled out from the inside of the containing groove 2, the sliding plate 3 drives the sliding block 10 to slide in the same direction in the sliding groove 9 while moving, the balls on the inner wall surface of the sliding groove 9 are attached to the surface of the sliding block 10 to roll, after the sliding plate 3 is pulled out, a user can perform fingering training through a key model on the surface of the sliding plate 3, if the height of the device is required to be adjusted, the two extrusion blocks 17 can be pressed, so that the fixed column 21 slides relatively in the second limiting groove 20, and the spring is extruded to be stressed and contracted, the limiting rod 19 also slides relatively in the through hole 18, the moving direction of the extrusion blocks 17 is limited, the extrusion blocks 17 also drive one end of the limiting plate to slide out of the inner side of the first limiting groove 16 while moving, then the extrusion blocks 17 are pulled, so as to drive the clamping pins 13 to slide out of the corresponding clamping grooves 11, the first supporting plate 4 is moved again to slide in the first sliding groove 12 until the device is adjusted to a proper height, the extrusion block 17 is pushed reversely to drive one end of the clamping pin 13 to be embedded into the corresponding clamping groove 11 again, the pressed extrusion block 17 is loosened, after the spring loses extrusion, the extrusion block 17 is pushed reversely, the extrusion block 17 drives the limiting plate to move reversely, one end of the limiting plate is embedded into the inner side of the first limiting groove 16 again, the height of the device is adjusted well, the structure is convenient for adjusting the height of the device, and the flexibility is improved, so that the device is suitable for users with different heights; next, the support rod 7 is installed on the device, the connecting blocks at the two ends of the support rod 7 are embedded into the corresponding third limiting groove 22, the iron blocks 24 at the two sides of the connecting blocks are embedded into the corresponding fourth limiting groove 23 and are magnetically connected with the magnet inside the connecting blocks, the support rod 7 is installed, the structure can support the hand of a user, the hand is prevented from being placed on the surface of the sliding plate 3, and the user can form a good piano playing habit.

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 (7)

1. The utility model provides a fingering trainer is used in piano teaching, includes main part (1), its characterized in that: the piano key comprises a main body (1), a containing groove (2) is formed in the surface of the main body (1) in a penetrating manner, a sliding plate (3) is embedded in the containing groove (2), a plurality of key models are fixed on the surface of the sliding plate (3), two sliding grooves (9) with T-shaped cross sections are symmetrically formed in the inner walls of the two sides of the containing groove (2), a sliding block (10) with a T-shaped cross section is arranged on the inner side of each sliding groove (9), one end of each sliding block (10) is embedded in the containing groove (2) and fixedly connected with the sliding plate (3), two second supporting plates (5) are symmetrically fixed at the bottom of the main body (1), a first sliding groove (12) is formed in the top of each second supporting plate (5), a first supporting plate (4) is embedded in the first sliding groove (12), and the top end of the first supporting plate (4) is fixedly connected with the main body (1), the inner side of the first supporting plate (4) is equidistantly provided with a plurality of clamping grooves (11), the inner side of the second supporting plate (5) is fixed with a first fixing block (6), one side of the first fixing block (6) is provided with a second sliding groove (14), one side inner wall of the second sliding groove (14) is penetrated and provided with a through hole (15), one side inner wall of the second sliding groove (14) is symmetrically provided with two first limiting grooves (16) with L-shaped cross sections relative to the two sides of the through hole (15), the inside of the second sliding groove (14) is provided with a clamping pin (13), one end of the clamping pin (13) penetrates through the through hole (15) and is embedded into the corresponding clamping groove (11), the two sides of the clamping pin (13) are symmetrically provided with two extrusion blocks (17) relative to the inside of the second sliding groove (14), one end of each extrusion block (17) is fixed with a limiting plate with an L-shaped cross section, one end of the limiting plate is embedded into the inner side of the first limiting groove (16).

2. The fingering training device for piano teaching according to claim 1, wherein: a plurality of balls are arranged on the inner wall surface of the sliding groove (9) at equal intervals and are in rolling connection with the surface of the sliding block (10).

3. The fingering training device for piano teaching according to claim 1, wherein: one side of the clamping pin (13) is provided with a limiting hole in a penetrating mode, a plastic rod penetrates through the limiting hole, and two ends of the plastic rod are fixedly connected with the inner walls of the two sides of the through hole (15) respectively.

4. The fingering training device for piano teaching according to claim 1, wherein: the bottom of the extrusion block (17) is provided with a second limiting groove (20), two fixing columns (21) are symmetrically fixed to two sides of the clamping pin (13), one ends of the fixing columns (21) are embedded into the corresponding second limiting groove (20), one ends of the fixing columns (21) are provided with spring grooves, and springs are connected between the inner walls of the spring grooves and the inner walls of the second limiting grooves (20).

5. The fingering training device for piano teaching according to claim 4, wherein: the top of the extrusion block (17) penetrates through and is provided with a through hole (18), a limiting rod (19) with an L-shaped section is embedded into the through hole (18), and one end of the limiting rod (19) is fixedly connected with a fixing column (21).

6. The fingering training device for piano teaching according to claim 1, wherein: the front surface of the sliding plate (3) is symmetrically fixed with two second fixing blocks (8), the top of each second fixing block (8) is provided with a third limiting groove (22), the front surface of the sliding plate (3) is provided with a supporting rod (7) with a C-shaped section, two ends of each supporting rod (7) are symmetrically fixed with two connecting blocks, and the connecting blocks are embedded into the corresponding third limiting grooves (22).

7. The fingering training device for piano teaching according to claim 6, wherein: two fourth spacing grooves (23) have been seted up to the both sides inner wall symmetry of third spacing groove (22), the inside of fourth spacing groove (23) is fixed with magnet, the bilateral symmetry of connecting block is fixed with two iron plates (24), iron plate (24) imbed to the inside that corresponds fourth spacing groove (23) to be connected with magnet magnetism.

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