CN211403709U

CN211403709U - Piano finger force exerciser

Info

Publication number: CN211403709U
Application number: CN202020429069.7U
Authority: CN
Inventors: 张莹莹; 姜姗姗
Original assignee: Heihe University
Current assignee: Heihe University
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-09-01
Anticipated expiration: 2030-03-30

Abstract

The utility model provides a piano finger force exerciser relates to piano teaching auxiliary assembly technical field. This piano finger force exerciser, including the installation shell, the positive fixedly connected with spliced pole of installation shell, spliced pole one end is equipped with the screw thread post, and the internal thread hole has been seted up to the spliced pole inside, screw thread post and spliced pole threaded connection, screw thread post one end are equipped with spherically, and first screw hole has been seted up on spherical surface, screw thread post one end and globular threaded connection, and the installation shell top is equipped with adjustment mechanism, and adjustment mechanism is equipped with five. This piano indicates power exerciser rotates the regulation pole and makes the connecting seat for second screw hole downstream, plays the seat bottom and thinks the contact with the spring top, carries out the compression to the spring, and compression spring's intensity will change, has realized the regulation of spring strength for practitioner can appropriate regulating spring's intensity when practising the certain degree, can be better hold finger power in later piano is played, has brought the convenience for practitioner.

Description

Piano finger force exerciser

Technical Field

The utility model relates to a piano teaching auxiliary assembly technical field specifically is a piano indicates power exerciser.

Background

The piano is a keyboard instrument in Western classical music, has the name of 'king of instrument', consists of 88 keys (52 white keys and 36 black keys) and a metal string soundboard, has a wide range of musical ranges, almost covers all the tones in a tone system, and is the instrument with the widest range except for a pipe organ.

Along with the improvement of living material culture level, more and more people also gradually contact the piano, begin to learn, the dynamics of finger is practiced in the time of the piano exerciser, including the flexibility ratio, there is certain help to learning the piano, to the learner of just contacting, when the dynamics is practiced, along with the process of time, the exerciser can not adjust the intensity of exerciser according to the exercise degree of difference, the process of practitioner has been influenced, bring certain limitation for the practitioner, the while can't keep accurate hand type when practising with the exerciser, easily foster the custom, it is long-lasting, make the practitioner finger become stiff, the aesthetics of having lost the flexibility ratio and playing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a piano indicates power exerciser to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a finger force trainer for a piano comprises a mounting shell, wherein a connecting column is fixedly connected to the front surface of the mounting shell, a threaded column is arranged at one end of the connecting column, an internal threaded hole is formed in the connecting column, the threaded column is in threaded connection with the connecting column, a ball is arranged at one end of the threaded column, a first threaded hole is formed in the surface of the ball, one end of the threaded column is in threaded connection with the ball, an adjusting mechanism is arranged at the top of the mounting shell, five adjusting mechanisms are arranged, and the five adjusting mechanisms are uniformly distributed on the mounting shell;

the adjusting mechanism comprises a connecting seat, the surface of the connecting seat is provided with external screw teeth, a limiting sleeve is arranged inside the connecting seat, the connecting seat is fixedly connected with the limiting sleeve, one side of the limiting sleeve is provided with an adjusting rod, the adjusting rod is fixedly connected with the connecting seat, an elastic rod is sleeved inside the limiting sleeve, a key is arranged at the top of the elastic rod, the bottom of the key is fixedly connected with the top of the elastic rod, the top of the key is provided with a rubber pad, the bottom of the elastic rod is provided with an elastic seat, one end of the elastic rod passes through the limit sleeve and extends to the bottom of the limit sleeve, the spring seat is fixedly connected with the spring rod, the bottom of the spring seat is fixedly connected with a limiting rod, a limiting cylinder is sleeved outside the limiting rod, the limiting rod is connected with the limiting cylinder in a sliding way, the bottom of the limiting cylinder is fixedly connected with the bottom of the inner cavity of the mounting shell, and a spring is arranged outside the limiting cylinder, and the bottom of the spring is fixedly connected with the bottom of the inner cavity of the mounting shell.

Preferably, five equally spaced second threaded holes formed in the top of the mounting shell correspond to external threads formed in the surface of the connecting seat, and the mounting shell is in threaded connection with the connecting seat.

Preferably, the adjusting rods are two, and the two adjusting rods are symmetrically distributed relative to the vertical center line of the connecting seat.

Preferably, the top of the mounting shell is provided with second threaded holes, and the second threaded holes are uniformly distributed on the mounting shell.

Preferably, one end of the elastic rod penetrates through the limiting sleeve and extends to the bottom of the limiting sleeve, the elastic seat is fixedly connected with the elastic rod, and the key is connected with the rubber pad in a sticking manner.

Preferably, a baffle is arranged between every two adjacent elastic rods and fixedly connected with the mounting shell.

Preferably, the limiting rod is connected with the limiting cylinder in a sliding mode, and the top of the spring is in contact with the bottom of the spring seat.

The utility model provides a piano indicates power exerciser, its beneficial effect who possesses as follows:

1. this piano indicates power exerciser makes the connecting seat for the second screw hole downstream through rotating the regulation pole, plays the seat bottom and contacts with the spring top, carries out the compression to the spring, and compression spring's intensity will change, has realized the regulation of spring strength for practitioner can be appropriate regulating spring's intensity when practising the certain degree, can be better play at later piano and hold the finger power, has brought the convenience for practitioner.

2. This piano indicates power exerciser through the globular that openly sets up through the installation shell, can make the beginner keep the degree of accuracy of hand type at the in-process of exercise, carries out fingering exercise, has avoided hand type to become stiff in long-term playing, including flexibility and aesthetic measure.

Drawings

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

fig. 2 is a sectional view of the mounting case of the present invention;

FIG. 3 is a schematic view of the connecting seat structure of the present invention;

fig. 4 is an enlarged view of the structure of the portion a of fig. 1 according to the present invention.

In the figure: 1. mounting a shell; 2. connecting columns; 3. a threaded post; 4. spherical; 5. a baffle plate; 6. a connecting seat; 7. a limiting sleeve; 8. adjusting a rod; 9. a spring rod; 10. pressing a key; 11. a rubber pad; 12. a spring seat; 13. a limiting rod; 14. a limiting cylinder; 15. a spring.

Detailed Description

The embodiment of the utility model provides a piano finger power exerciser, as shown in fig. 1-4, including installation shell 1, the second screw hole has been seted up at 1 top of installation shell, the evenly distributed of second screw hole on installation shell 1, 1 positive fixedly connected with spliced pole 2 of installation shell, 2 one end of spliced pole is equipped with screw thread post 3, 2 inside internal thread holes of having seted up of spliced pole, screw thread post 3 and 2 threaded connection of spliced pole, 3 one end of screw thread post is equipped with globular 4, first screw hole has been seted up on the globular 4 surface, 3 one end of screw thread post and globular 4 threaded connection, globular 4 setting further improvement exercise certain exercise and the degree of accuracy of in-process hand type, installation shell 1 top is equipped with adjustment mechanism, adjustment mechanism is equipped with five, five adjustment mechanism evenly distributed on for installation shell 1, be equipped with baffle 5 between two adjacent elastic rods 9, baffle 5 and 1 fixed connection of installation shell.

Adjusting mechanism includes connecting seat 6, and external screw tooth has been seted up on connecting seat 6 surface, and five equidistant second screw holes that the 1 top of installation shell was seted up are corresponding with the external screw tooth that the 6 surfaces of connecting seat were seted up, and threaded connection between installation shell 1 and the connecting seat 6, the threaded connection mode between installation shell 1 and the connecting seat 6 is favorable to adjusting spring 15's intensity, convenient in user's operation, and connecting seat 6 is inside to be equipped with stop collar 7, connecting seat 6 and stop collar 7 fixed connection.

One side of a limiting sleeve 7 is provided with two adjusting rods 8, the adjusting rods 8 are fixedly connected with a connecting seat 6, the two adjusting rods 8 are symmetrically distributed relative to the vertical central line of the connecting seat 6, an elastic rod 9 is sleeved inside the limiting sleeve 7, the arrangement of the limiting sleeve 7 improves the stability of the operation of the elastic rod 9 when the elastic rod 9 moves downwards, the top of the elastic rod 9 is provided with a key 10, the bottom of the key 10 is fixedly connected with the top of the elastic rod 9, the top of the key 10 is provided with a rubber pad 11, the key 10 is connected with the rubber pad 11 in a sticking way, the arrangement of the rubber pad 11 protects fingers of a practicer from long-time exercise, the bottom of the elastic rod 9 is provided with an elastic seat 12, one end of the elastic rod 9 penetrates through the limiting sleeve 7 and extends to the bottom of the limiting sleeve 7, the elastic seat 12 is fixedly connected with the elastic rod 9, the bottom of the elastic seat 12 is, the limiting rod 13 is connected with the limiting barrel 14 in a sliding mode, the bottom of the limiting barrel 14 is fixedly connected with the bottom of the inner cavity of the mounting shell 1, the spring 15 is arranged outside the limiting barrel 14, the bottom of the spring 15 is fixedly connected with the bottom of the inner cavity of the mounting shell 1, and the top of the spring 15 is in contact with the bottom of the spring seat 12.

The implementation mode is specifically as follows: when the utility model is used, when a beginner exercises finger force, the installation shell 1 is placed on a desktop, the accuracy of the hand shape of the beginner can be kept in the exercise process through the spherical shape 4 arranged on the front surface of the installation shell 1, the fingering exercise is carried out, the hand shape is prevented from becoming stiff in long-term playing, the finger shape comprises flexibility and aesthetic examination, the threaded post 3 is in threaded connection with the connecting post 2, the grasping degree of the spherical shape 4 with different palms can be telescopically adjusted, the baffle 5 is arranged on the installation shell 1, in order to prevent the fingers of the beginner from being misplaced in the pressing process, the rubber pad 11 is also arranged to prevent the fingers from being frayed in the long-term exercise, the button 10 is pressed to drive the elastic rod 9 to move downwards through the adjusting mechanism, the limit sleeve 7 is arranged to improve the stability when the elastic rod 9 moves downwards, the elastic rod 9 slides inside the limit sleeve 7, the stick of playing 9 drives the base of playing 12 extrusion springs 15 downwards, in the extrusion, gag lever post 13 slides in spacing section of thick bamboo 14 is inside, after key 10 is loosened to the practitioner, gag lever post 13 has played the stable effect of bounce-back with spacing section of thick bamboo 14, there is thickness through the second screw hole that 1 top of installation shell was seted up, when adjusting spring 15 intensity, rotation adjusting rod 8 makes connecting seat 6 for second screw hole downstream, base of playing 12 bottoms and spring 15 top contact, carry out the compression to spring 15, compression spring 15's intensity will change, the regulation of spring 15 intensity has been realized, make the practitioner can appropriate adjusting spring 15's intensity when practising the certain degree, can be better hold the power of pointing in later piano playing, convenience has been brought for the practitioner.

The working principle is as follows: through the adjusting mechanism, the press key 10 drives the elastic rod 9 to move downwards, the setting of the limit sleeve 7 improves the stability when the elastic rod 9 moves downwards, the elastic rod 9 slides in the limit sleeve 7, the elastic rod 9 drives the elastic seat 12 to extrude the spring 15 downwards, the limit rod 13 slides in the limit cylinder 14 during extrusion, after the practitioner loosens the press key 10, the limit rod 13 and the limit cylinder 14 achieve the effect of stable rebound, the second threaded hole formed in the top of the mounting shell 1 has thickness, when the strength of the spring 15 is adjusted, the adjusting rod 8 is rotated to enable the connecting seat 6 to move downwards relative to the second threaded hole, the bottom of the elastic seat 12 is contacted with the top of the spring 15, the spring 15 is compressed, the strength of the spring 15 is adjusted, the elastic seat 12 gives the spring 15 certain strength, so that the practitioner can properly adjust the strength of the spring 15 when practicing a certain degree, the finger force can be better grasped in the subsequent piano playing, and convenience is brought to the practicer.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a piano finger force exerciser, includes installation shell (1), its characterized in that: the front surface of the mounting shell (1) is fixedly connected with a connecting column (2), one end of the connecting column (2) is provided with a threaded column (3), an internal threaded hole is formed in the connecting column (2), the threaded column (3) is in threaded connection with the connecting column (2), one end of the threaded column (3) is provided with a ball (4), a first threaded hole is formed in the surface of the ball (4), one end of the threaded column (3) is in threaded connection with the ball (4), the top of the mounting shell (1) is provided with five adjusting mechanisms, and the five adjusting mechanisms are uniformly distributed on the mounting shell (1);

the adjusting mechanism comprises a connecting seat (6), outer threads are arranged on the surface of the connecting seat (6), a limiting sleeve (7) is arranged inside the connecting seat (6), the connecting seat (6) is fixedly connected with the limiting sleeve (7), an adjusting rod (8) is arranged on one side of the limiting sleeve (7), the adjusting rod (8) is fixedly connected with the connecting seat (6), an elastic rod (9) is sleeved inside the limiting sleeve (7), a button (10) is arranged at the top of the elastic rod (9), the bottom of the button (10) is fixedly connected with the top of the elastic rod (9), a rubber pad (11) is arranged at the top of the button (10), an elastic seat (12) is arranged at the bottom of the elastic rod (9), a limiting rod (13) is fixedly connected with the bottom of the elastic seat (12), a limiting cylinder (14) is sleeved outside the limiting rod (13), the bottom of the limiting cylinder (14) is fixedly connected with the bottom of the inner cavity, the limiting cylinder (14) is externally provided with a spring (15), and the bottom of the spring (15) is fixedly connected with the bottom of the inner cavity of the mounting shell (1).

2. A piano finger force exerciser according to claim 1, wherein: the top of the mounting shell (1) is provided with second threaded holes, and the second threaded holes are uniformly distributed on the mounting shell (1).

3. A piano finger force exerciser according to claim 1, wherein: the adjusting rods (8) are arranged in two numbers, and the two adjusting rods (8) are symmetrically distributed relative to the vertical center line of the connecting base (6).

4. A piano finger force exerciser according to claim 2, wherein: five equidistant second threaded holes formed in the top of the mounting shell (1) correspond to external threads formed in the surface of the connecting seat (6), and the mounting shell (1) is in threaded connection with the connecting seat (6).

5. A piano finger force exerciser according to claim 1, wherein: elastic rod (9) one end passes stop collar (7) and extends to stop collar (7) bottom, bullet seat (12) and elastic rod (9) fixed connection, paste between button (10) and rubber pad (11) and be connected.

6. A piano finger force exerciser according to claim 1, wherein: a baffle (5) is arranged between every two adjacent elastic rods (9), and the baffle (5) is fixedly connected with the mounting shell (1).

7. A piano finger force exerciser according to claim 1, wherein: the limiting rod (13) is connected with the limiting barrel (14) in a sliding mode, and the top of the spring (15) is in contact with the bottom of the elastic seat (12).