CN211319466U

CN211319466U - Key shielding device for piano

Info

Publication number: CN211319466U
Application number: CN201921956144.9U
Authority: CN
Inventors: 李玲玲
Original assignee: Luoyang Liling Education Technology Co ltd
Current assignee: Luoyang Liling Education Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-08-21
Anticipated expiration: 2029-11-13

Abstract

A key shielding device for a piano solves the problems that the existing key shielding device for the piano is inconvenient to mount, meanwhile, the shielding length is not easy to adjust, and the progressive learning of learners is not facilitated; the moving mechanism includes movable block, guiding hole, fixed block, first screw hole, first threaded rod and first rotary disk, and the guiding hole has all been seted up to the movable block corresponding first guide post and second guide post position department, the utility model discloses novel structure conceives ingeniously, can shelter from the piano button when the piano learner learns, can partially shelter from the button simultaneously, and the learner of being convenient for learns in proper order.

Description

Key shielding device for piano

Technical Field

The utility model relates to a shelter from the device, especially relate to a button shelters from device for piano.

Background

The common habit of the students who learn the piano is that eyes are always stared at keys when playing the piano, the hypothesized operation always lowers the heads to stare at the keys, which is not beautiful, and particularly influences the normal development of the bodies of children for children who are in a long state, and simultaneously influences the speed of reading the music and the complete continuity of music playing.

The existing key shielding device for the piano is inconvenient to install, and the shielding length is difficult to adjust, so that the device is not favorable for progressive learning of learners.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a key shelters from device for piano, the effectual current key shelters from device for piano of having solved has the installation inconvenient, shelters from length simultaneously and also is difficult to adjust, is unfavorable for the learner to be in the problem of progressive study.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model comprises a first guide post, a second guide post, a first fixing mechanism, a second fixing mechanism, a moving mechanism, a second threaded hole and shielding cloth, wherein the second guide post is arranged on one side of the first guide post, the first fixing mechanism is arranged on one end of the first guide post and one end of the second guide post, the second fixing mechanism is arranged on the other end of the first guide post and the other end of the second guide post, and the moving mechanism is movably arranged on the first guide post and the second guide post;

the moving mechanism comprises a moving block, a guide hole, a fixed block, a first threaded hole, a first threaded rod and a first rotating disc, the guide hole is formed in the position, corresponding to the first guide column and the second guide column, of the moving block, the fixed block is arranged at the top of one end of the moving block, the first threaded hole is symmetrically formed in the fixed block, the first threaded rod is inserted into the first threaded hole, and the first rotating disc is fixed to one end of the first threaded rod;

the first fixing mechanism and the second fixing mechanism respectively comprise a concave block, an inner groove, a third threaded hole, a second threaded rod, a second rotating disc and an extrusion block, the inner groove is formed in the concave block, the third threaded hole is formed in the middle of the outer side of the concave block, the second threaded rod is inserted into the middle of the third threaded hole, the second rotating disc is fixed to one end of the second threaded rod, the extrusion block is fixed to the other end of the second threaded rod, and the movable block is connected with the concave block through shielding cloth.

Preferably, a second threaded hole is formed in the top of the inner side of the concave block on the second fixing mechanism.

Preferably, the length of the shade cloth after being unfolded is equal to the length of the first guide post and the second guide post.

Preferably, the extrusion block is a rubber member.

Preferably, the surfaces of the first rotating disc and the second rotating disc are provided with anti-skid grains.

Preferably, the diameter of the guide hole is larger than the diameters of the first guide post and the second guide post.

Has the advantages that: when the utility model is used, the concave blocks on the first fixing mechanism and the second fixing mechanism are clamped on the side wall of the piano, the second rotating disc is rotated, the second rotating disc rotates to drive the second threaded rod to rotate, the second threaded rod rotates to be matched with the third threaded hole to move inwards, the second threaded rod moves inwards to push the extrusion block to extrude the side wall of the piano to complete fixation, after fixation is completed, when the piano needs to be shielded, the moving block moves to the left side from the right ends of the first guide post and the second guide post, when the moving block moves to the left side, the shielding cloth straightens, the first threaded hole on the fixed block corresponds to the second threaded hole, the first rotating disc is rotated to drive the first threaded rod to rotate to enter the second threaded hole, fixation can be completed, when partial shielding is needed, the first threaded rod is unscrewed, move the movable block to certain distance of right, can carry out the part with the piano button and shelter from this moment, the person of being convenient for carries out progressive study. The utility model discloses novel structure thinks about ingeniously, can shelter from the piano button when the piano learner learns, can carry out the part to the button simultaneously and shelter from, and the learner of being convenient for learns in proper order.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic three-dimensional structure of the present invention;

fig. 2 is a schematic view of the second threaded hole of the present invention;

FIG. 3 is a schematic diagram of the structure of A in FIG. 1 according to the present invention;

reference numbers in the figures: 1. a first guide post; 2. a second guide post; 3. a first fixing mechanism; 4. a second fixing mechanism; 5. a moving mechanism; 6. a moving block; 7. a guide hole; 8. a fixed block; 9. a first threaded hole; 10. a first threaded rod; 11. a first rotating disk; 12. a second threaded hole; 13. a concave block; 14. an inner tank; 15 a third threaded hole; 16 a second threaded rod; 17 a second rotating disk; 18 extruding the block; 19 a screen cloth.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-3.

Example one

The utility model comprises a first guide post 1, a second guide post 2, a first fixing mechanism 3, a second fixing mechanism 4, a moving mechanism 5, a second threaded hole 12 and a shielding cloth 19, wherein the second guide post 2 is arranged on one side of the first guide post 1, the first fixing mechanism 3 is arranged at one end of the first guide post 1 and one end of the second guide post 2, the second fixing mechanism 4 is arranged at the other end of the first guide post 1 and the other end of the second guide post 2, and the moving mechanism 5 is movably arranged on the first guide post 1 and the second guide post 2;

the moving mechanism 5 comprises a moving block 6, a guide hole 7, a fixed block 8, a first threaded hole 9, a first threaded rod 10 and a first rotating disc 11, the guide hole 7 is formed in the position, corresponding to the first guide column 1 and the second guide column 2, of the moving block 6, the fixed block 8 is arranged at the top of one end of the moving block 6, the first threaded hole 9 is symmetrically formed in the fixed block 8, the first threaded rod 10 is inserted into the first threaded hole 9, and the first rotating disc 11 is fixed at one end of the first threaded rod 10;

the first fixing mechanism 3 and the second fixing mechanism 4 respectively comprise a concave block 13, an inner groove 14, a third threaded hole 15, a second threaded rod 16, a second rotating disc 17 and an extrusion block 18, the inner groove 14 is formed in the concave block 13, the third threaded hole 15 is formed in the middle of the outer side of the concave block 13, the second threaded rod 16 is inserted in the middle of the third threaded hole 15, the second rotating disc 17 is fixed to one end of the second threaded rod 16, the extrusion block 18 is fixed to the other end of the second threaded rod 16, and the moving block 6 is connected with the concave block 13 through a shielding cloth 19.

And a second threaded hole 12 is formed in the top of the inner side of the concave block 13 on the second fixing mechanism 4, so that the installation and the fixation are facilitated.

The length of the shielding cloth 19 after being unfolded is equal to the length of the first guide post 1 and the second guide post 2, which is convenient for matching use.

The pressing block 18 is a rubber member for protecting the side wall of the piano.

Anti-skidding line has all been seted up on the surface of first rolling disc 11 and second rolling disc 17, improves anti-skidding performance.

The diameter of the guide hole 7 is larger than the diameters of the first guide post 1 and the second guide post 2, so that the guide hole is convenient to match with each other.

The working principle is as follows: when the utility model is used, the concave blocks 13 on the first fixing mechanism 3 and the second fixing mechanism 4 are clamped on the side wall of the piano, the second rotating disc 17 is rotated to drive the second threaded rod 16 to rotate, the second threaded rod 16 is rotated to be matched with the third threaded hole 15 to enable the second threaded rod 16 to move inwards, the second threaded rod 16 moves inwards to push the extrusion block 18 to extrude the side wall of the piano to complete the fixation, after the fixation is completed, when the piano needs to be sheltered, the moving block 6 moves to the left side from the right ends of the first guide post 1 and the second guide post 2, when the moving block moves to the left side, the sheltering cloth 19 is straightened, the first threaded hole 9 on the fixing block 8 corresponds to the second threaded hole 12, the first rotating disc 11 is rotated to drive the first threaded rod 10 to enter the second threaded hole 12, the fixation can be completed, when needs carried out the part and shelter from, unscrew first threaded rod 10, move movable block 6 certain distance of right removal, can carry out the part with the piano button and shelter from this moment, the person of being convenient for carries out progressive study.

The utility model discloses novel structure thinks about ingeniously, can shelter from the piano button when the piano learner learns, can carry out the part to the button simultaneously and shelter from, and the learner of being convenient for learns in proper order.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A key shielding device for a piano comprises a first guide post (1), a second guide post (2), a first fixing mechanism (3), a second fixing mechanism (4), a moving mechanism (5), a second threaded hole (12) and shielding cloth (19), and is characterized in that the second guide post (2) is arranged on one side of the first guide post (1), the first fixing mechanism (3) is installed at one end of the first guide post (1) and one end of the second guide post (2), the second fixing mechanism (4) is installed at the other end of the first guide post (1) and the other end of the second guide post (2), and the moving mechanism (5) is movably installed on the first guide post (1) and the second guide post (2);

the moving mechanism (5) comprises a moving block (6), guide holes (7), fixed blocks (8), first threaded holes (9), first threaded rods (10) and a first rotating disc (11), the guide holes (7) are formed in the positions, corresponding to the first guide columns (1) and the second guide columns (2), of the moving block (6), the fixed blocks (8) are arranged at the tops of one ends of the moving block (6), the first threaded holes (9) are symmetrically formed in the fixed blocks (8), the first threaded rods (10) are inserted into the first threaded holes (9), and the first rotating disc (11) is fixed to one end of each first threaded rod (10);

the first fixing mechanism (3) and the second fixing mechanism (4) respectively comprise a concave block (13), an inner groove (14), a third threaded hole (15), a second threaded rod (16), a second rotating disc (17) and an extrusion block (18), the inner groove (14) is formed in the concave block (13), the third threaded hole (15) is formed in the middle of the outer side of the concave block (13), the second threaded rod (16) is inserted in the middle of the third threaded hole (15), the second rotating disc (17) is fixed to one end of the second threaded rod (16), the extrusion block (18) is fixed to the other end of the second threaded rod (16), and the movable block (6) is connected with the concave block (13) through shielding cloth (19).

2. A key shade device for piano as claimed in claim 1, wherein the second screw hole (12) is opened on the top of the inner side of the concave block (13) of the second fixing mechanism (4).

3. A key shade apparatus for a piano according to claim 1, wherein the length of the shade cloth (19) after being unfolded is equal to the length of the first guide post (1) and the second guide post (2).

4. A key blinding apparatus for a piano as claimed in claim 1, wherein the pressing block (18) is a rubber member.

5. A key shelter device for piano as claimed in claim 1, wherein the first rotary disk (11) and the second rotary disk (17) are provided with anti-slip lines on their surfaces.

6. A key shade apparatus for a piano according to claim 1, wherein the diameter of the guide hole (7) is larger than the diameters of the first guide post (1) and the second guide post (2).