CN215495970U

CN215495970U - Noise reduction piano pedal

Info

Publication number: CN215495970U
Application number: CN202121306015.2U
Authority: CN
Inventors: 刘良鹏
Original assignee: Neijiang Vocational and Technical College
Current assignee: Neijiang Vocational and Technical College
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-11
Anticipated expiration: 2031-06-11

Abstract

The utility model relates to a sound-deadening piano pedal which comprises a bottom plate and a shell, wherein the bottom plate is provided with a sound-deadening device, an adjusting device and a detachable device, the adjusting device comprises a large pedal, a small pedal, a first bevel gear, a rotating shaft, a threaded rod, a push rod, a connecting rod and a supporting rod, the large pedal is connected with the shell, one end of the connecting rod is connected with the small pedal, the other end of the connecting rod is rotatably connected with the connecting rod and can be slidably connected with the large pedal, one end of the threaded rod is rotatably connected with the large pedal, the push rod is sleeved outside the threaded rod and is connected with the connecting rod, the first bevel gear is arranged in the large pedal and is matched and connected with the threaded rod, one end of the rotating shaft is arranged outside the large pedal, and the other end of the rotating shaft penetrates through the large pedal and is connected with the first bevel gear. According to the utility model, by arranging the adjusting device, the height of the pedal can be adjusted by rotating the rotating handle, so that the adjustable pedal is suitable for people with different heights.

Description

Noise reduction piano pedal

Technical Field

The utility model relates to the technical field of piano accessories, in particular to a sound-damping piano pedal.

Background

The piano pedals are auxiliary structures for changing sound effects in the process of playing the piano, and the upright piano generally comprises three pedals, namely a middle pedal, a left pedal and a right pedal.

Patent No. CN202021174407.3 discloses a piano sound deadening pedal, in which the case and the bottom plate are not easily disassembled, and the interior is not easily cleaned or maintained; in addition, the height of the pedal cannot be changed, and the pedal cannot adapt to people with different heights; meanwhile, the pedal has larger noise when being pedaled, and the utility model provides a new solution to the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the problems in the prior art, the present invention provides a noise-reduced piano pedal to solve the technical problems mentioned in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a noise reduction piano pedal comprises a bottom plate and a shell, wherein the bottom plate is provided with a noise reduction device, an adjusting device and a detachable device, the adjusting device comprises a large pedal, a small pedal, a first bevel gear, a rotating shaft, a threaded rod, a push rod, a connecting rod, a first supporting rod and a second supporting rod, the large pedal is connected with the shell, one end of each of the first supporting rod and the second supporting rod is connected with the small pedal, the other end of each of the first supporting rod and the second supporting rod is connected with the large pedal, one end of the threaded rod is rotatably connected with the large pedal, the push rod is sleeved outside the threaded rod and connected with the connecting rod, the first bevel gear is arranged in the large pedal and is connected with the threaded rod in a matching mode, one end of the rotating shaft is arranged outside the large pedal, and the other end of the rotating shaft penetrates through the large pedal and is connected with the first bevel gear; the detachable device comprises a groove and a boss, the groove is formed in the upper surface of the base plate, the boss is arranged on the lower surface of the shell, and the boss is connected with the groove in a matched mode.

Preferably, silencing device includes first spliced pole, second spliced pole, third spliced pole, spring and spacing post, the one end of first spliced pole with the shell is connected, the other end with big footboard slidable ground is connected, the one end of second spliced pole with the shell is connected, and the other end runs through big footboard, the third spliced pole with the bottom plate is connected, the spring cup joints the outside of second spliced pole and third spliced pole, and one end with the bottom plate is connected, and the other end is connected with big footboard, spacing post sets up the below of first spliced pole, and with the bottom plate is connected, big footboard with the contact surface of shell and the top of spacing post all are equipped with the amortization gasket. The design of the silencing device can reduce the noise generated when the pedal is stepped.

In a further preferred mode, a rotating handle is arranged at one end, arranged outside the large pedal, of the rotating shaft, and the rotating handle is slidably sleeved outside the rotating shaft. The design of the rotating handle can facilitate the rotation of the rotating shaft.

Preferably, the rotating handle is provided with a hexagonal limiting block, and the large pedal is provided with a hexagonal limiting groove matched with the hexagonal limiting block. The design can fix the rotating handle and the big pedal, thereby fixing the small pedal.

In a further preferred mode, a first sliding groove is formed in the rotating shaft, and a first sliding block matched with the first sliding groove is arranged on the rotating handle. The design of first spout and first slider makes things convenient for rotatory handle to slide on the rotation axis.

Preferably, a second sliding groove is formed in the large pedal, and a second sliding block matched with the second sliding groove is arranged on the second supporting rod. The second sliding groove and the second sliding block are designed to facilitate the second supporting rod to move on the large pedal.

In a further preferred embodiment, the boss and the groove are detachably connected by a bolt. The design of bolted connection conveniently dismantles shell and bottom plate.

In a further preferred embodiment, the push rod is screwed to the threaded rod. The threaded connection design can drive the push rod to move through the rotation of the threaded rod.

In a further preferred embodiment, the first support rod and the large and small pedals are rotatably connected, the second support rod and the large and small pedals are slidably connected, and the middle part of the first support rod and the middle part of the second support rod are rotatably connected. This design makes things convenient for first bracing piece and second bracing piece to drive little footboard and go up and down.

In a further preferred mode, the threaded rod is provided with a second bevel gear, and the second bevel gear is fixedly sleeved outside the threaded rod and meshed with the first bevel gear. With this configuration, the threaded rod can be rotated by rotating the rotary shaft.

(III) advantageous effects

Compared with the prior art, the utility model provides a silencing piano pedal, which has the following beneficial effects:

according to the utility model, the adjusting device is arranged, the rotating handle can be rotated to drive the first bevel gear to rotate, so that the push rod is driven to push the connecting rod through the rotation of the threaded rod, the small pedal is lifted from the large pedal, the height of the pedal is adjusted to adapt to people with different heights, and the small pedal is fixed at the position through the matching of the hexagonal limiting block and the hexagonal limiting groove; in addition, the shell and the bottom plate can be conveniently detached by arranging the detachable device, the inside of the shell and the bottom plate can be cleaned or maintained, and the shell and the bottom plate can be conveniently positioned during installation and can play a role of moisture protection by the design of the lug boss and the groove; meanwhile, the noise generated when the pedal is pedaled can be reduced by arranging the silencing device.

Drawings

FIG. 1 is a schematic view showing the overall structure of a noise-reduced piano pedal according to the present invention;

FIG. 2 is a partial schematic view of the area A of FIG. 1 according to the present invention;

FIG. 3 is a partial schematic view of the area B of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the adjusting device of the present invention;

FIG. 5 is a schematic view of the silencer of the present invention;

FIG. 6 is a schematic view of the connection structure of the housing and the boss according to the present invention;

fig. 7 is a schematic view of a connection structure of the first sliding groove and the first sliding block in the present invention.

In the figure: 1. a base plate; 2. a housing; 3. a large pedal; 4. a small pedal; 5. a first bevel gear; 6. a rotating shaft; 7. a threaded rod; 8. a push rod; 9. a connecting rod; 10. a first support bar; 11. a second support bar; 12. a groove; 13. a boss; 14. a first connecting column; 15. a second connecting column; 16. a third connecting column; 17. a spring; 18. a limiting column; 19. a sound-deadening gasket; 20. rotating the handle; 21. a hexagonal limiting block; 22. a hexagonal limiting groove; 23. a first chute; 24. a first slider; 25. a second chute; 26. a second slider; 27. a second bevel gear.

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.

Example 1:

referring to fig. 1-7, a silencing piano pedal comprises a base plate 1 and a shell 2, wherein the base plate 1 is provided with a silencing device, an adjusting device and a detachable device, the adjusting device comprises a big pedal 3, a small pedal 4, a first bevel gear 5, a rotating shaft 6, a threaded rod 7, a push rod 8, a connecting rod 9, a first supporting rod 10 and a second supporting rod 11, the big pedal 3 is connected with the shell 2, one end of each of the first supporting rod 10 and the second supporting rod 11 is connected with the small pedal 4, the other end of each of the first supporting rod and the second supporting rod 11 is connected with the big pedal 3, one end of the threaded rod 7 is rotatably connected with the big pedal 3, the push rod 8 is sleeved outside the threaded rod 7, the first bevel gear 5 is arranged in the large pedal 3 and is matched and connected with the threaded rod 7, one end of the rotating shaft 6 is arranged outside the large pedal 3, and the other end of the rotating shaft penetrates through the large pedal 3 and is connected with the first bevel gear 5; the detachable device comprises a groove 12 and a boss 13, the groove 12 is arranged on the upper surface of the base plate 1, the boss 13 is arranged on the lower surface of the shell 2, and the boss 13 is connected with the groove 12 in a matched mode. The big pedal 3 is provided with a second sliding groove 25, and the second support rod 11 is provided with a second sliding block 26 matched with the second sliding groove 25. The boss 13 and the groove 12 are detachably connected by a bolt. The push rod 8 is in threaded connection with the threaded rod 7. First bracing piece 10 with big footboard 3 and little footboard 4 all rotationally connect, second bracing piece 11 with big footboard 3 and little footboard 4 all slidably connect, the middle part of first bracing piece 10 and the middle part of second bracing piece 11 rotationally connect. The threaded rod 7 is provided with a second bevel gear 27, and the second bevel gear 27 is fixedly sleeved outside the threaded rod 7 and meshed with the first bevel gear 5.

In this embodiment, silencing device includes first spliced pole 14, second spliced pole 15, third spliced pole 16, spring 17 and spacing post 18, the one end and the shell 2 of first spliced pole 14 are connected, the other end and big footboard 3 slidable ground are connected, the one end and the shell 2 of second spliced pole 15 are connected, the other end runs through big footboard 3, third spliced pole 16 and bottom plate 1 are connected, spring 17 cup joints the outside at second spliced pole 15 and third spliced pole 16, and one end and bottom plate 1 are connected, the other end and big footboard 3 are connected, spacing post 18 sets up the below at first spliced pole 14, and be connected with bottom plate 1, the contact surface of big footboard 3 and shell 2 and the top of spacing post 18 all are equipped with amortization gasket 19. When the pedal is used, the large pedal 3 is stepped on by a foot, the spring 17 is compressed, one end, close to the first connecting column 14, of the large pedal 3 is tightly attached to the shell 2 under the action of the upward acting force of the spring 17, when the force of the pedal is too large, one end, close to the first connecting column 14, of the large pedal 3 moves downwards to contact with the limiting column 18, the limiting column 18 supports the large pedal 3, when the large pedal 3 is loosened by the foot, the spring 17 resets and drives the large pedal 3 to return to the initial state, and in the process of stepping down and loosening, the silencing gasket 19 silences the large pedal.

In the present embodiment, a rotation handle 20 is provided at one end of the rotation shaft 6 disposed outside the large pedal 3, and the rotation handle 20 is slidably sleeved outside the rotation shaft 6. In use, the rotary handle 20 is rotated to rotate the rotary shaft 6.

In this embodiment, a hexagonal stopper 21 is disposed on the rotation handle 20, and a hexagonal stopper groove 22 engaged with the hexagonal stopper 21 is disposed on the large pedal 3. The rotating shaft 6 is provided with a first sliding chute 23, and the rotating handle 20 is provided with a first sliding block 24 matched with the first sliding chute 23. When the position of the small pedal 4 needs to be fixed, the rotating handle 20 is pushed to move towards the large pedal 3 along the direction of the first sliding groove 23, so that the hexagonal limiting block 21 is matched with the hexagonal limiting groove 22, and the rotating shaft 6 cannot rotate.

Example 2:

in conclusion, when the height of the small pedal 4 needs to be adjusted, the rotating handle 20 is pulled outwards to be away from the large pedal 3 along the direction of the first sliding groove 23, the hexagonal limiting block 21 is moved out of the hexagonal limiting groove 22, the rotating handle 20 is rotated to drive the first bevel gear 5 to rotate through the rotating shaft 6, the threaded rod 7 is driven to rotate through the engagement of the first bevel gear 5 and the second bevel gear 27, because the push rod 8 is connected with the threaded rod 7 through threads, the push rod 8 is driven to move, the connecting rod 9 is driven to move, the small pedal 4 is lifted through the first supporting rod 10 and the second supporting rod 11, when the height is adjusted to a proper height, the rotating handle 20 is pushed to move towards the big pedal 3 along the direction of the first sliding groove 23, so that the hexagonal limiting block 21 is matched with the hexagonal limiting groove 22, the rotating shaft 6 cannot rotate, and the position of the small pedal 4 is fixed; when the interior needs to be cleaned or maintained, the bolt between the boss 13 and the groove 12 is loosened, the shell 2 is disassembled, and after the cleaning or maintenance is finished, the boss 13 is matched with the groove 12, and the bolt is screwed.

Example 3:

in conclusion, when the pedal is used, the large pedal 3 is stepped on by a foot, the spring 17 is compressed, one end, close to the first connecting column 14, of the large pedal 3 is tightly attached to the shell 2 under the upward acting force of the spring 17, when the stepping force is too large, one end, close to the first connecting column 14, of the large pedal 3 moves downwards to contact with the limiting column 18, the limiting column 18 supports the large pedal 3, when the large pedal 3 is loosened by the foot, the spring 17 resets to drive the large pedal 3 to return to the initial state, and in the stepping and loosening processes, the noise reduction gasket 19 is used for noise reduction.

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. A amortization piano footboard, includes bottom plate (1) and shell (2), its characterized in that: the bottom plate (1) is provided with a silencing device, an adjusting device and a detachable device, the adjusting device comprises a large pedal (3), a small pedal (4), a first bevel gear (5), a rotating shaft (6), a threaded rod (7), a push rod (8), a connecting rod (9), a first supporting rod (10) and a second supporting rod (11), the large pedal (3) is connected with the shell (2), one end of each of the first supporting rod (10) and the second supporting rod (11) is connected with the small pedal (4), the other end of each of the first supporting rod and the second supporting rod is connected with the large pedal (3), one end of the threaded rod (7) is rotatably connected with the large pedal (3), the push rod (8) is sleeved outside the threaded rod (7) and connected with the connecting rod (9), the first bevel gear (5) is arranged in the large pedal (3) and is matched and connected with the threaded rod (7), one end of the rotating shaft (6) is arranged outside the large pedal (3), and the other end of the rotating shaft penetrates through the large pedal (3) and is connected with the first bevel gear (5); removable device includes recess (12) and boss (13), recess (12) set up the upper surface of bottom plate (1), boss (13) set up the lower surface of shell (2), boss (13) and recess (12) cooperation are connected.

2. An acoustic piano pedal as claimed in claim 1, wherein: silencing device includes first spliced pole (14), second spliced pole (15), third spliced pole (16), spring (17) and spacing post (18), the one end of first spliced pole (14) with shell (2) are connected, the other end with big footboard (3) slidable ground is connected, the one end of second spliced pole (15) with shell (2) are connected, and the other end runs through big footboard (3), third spliced pole (16) with bottom plate (1) are connected, spring (17) cup joint the outside of second spliced pole (15) and third spliced pole (16), and one end with bottom plate (1) are connected, and the other end is connected with big footboard (3), spacing post (18) set up the below of first spliced pole (14), and with bottom plate (1) are connected, big footboard (3) with the contact surface of shell (2) and the top of spacing post (18) all are equipped with amortization gasket (19).

3. An acoustic piano pedal as claimed in claim 1, wherein: the rotating shaft (6) is arranged at one end outside the large pedal (3) and is provided with a rotating handle (20), and the rotating handle (20) is slidably sleeved outside the rotating shaft (6).

4. An acoustic piano pedal according to claim 3, wherein: the novel pedal is characterized in that a hexagonal limiting block (21) is arranged on the rotating handle (20), and a hexagonal limiting groove (22) matched with the hexagonal limiting block (21) is arranged on the large pedal (3).

5. An acoustic piano pedal according to claim 3, wherein: the rotating shaft (6) is provided with a first sliding groove (23), and the rotating handle (20) is provided with a first sliding block (24) matched with the first sliding groove (23).

6. An acoustic piano pedal as claimed in claim 1, wherein: and a second sliding groove (25) is arranged on the big pedal (3), and a second sliding block (26) matched with the second sliding groove (25) is arranged on the second supporting rod (11).

7. An acoustic piano pedal as claimed in claim 1, wherein: the boss (13) and the groove (12) are detachably connected through a bolt.

8. An acoustic piano pedal as claimed in claim 1, wherein: the push rod (8) is in threaded connection with the threaded rod (7).

9. An acoustic piano pedal as claimed in claim 1, wherein: first bracing piece (10) with big footboard (3) and little footboard (4) all rotationally connect, second bracing piece (11) with big footboard (3) and little footboard (4) all connect slidable, the middle part of first bracing piece (10) and the middle part of second bracing piece (11) rotationally connect.

10. An acoustic piano pedal as claimed in claim 1, wherein: and a second bevel gear (27) is arranged on the threaded rod (7), and the second bevel gear (27) is fixedly sleeved outside the threaded rod (7) and meshed with the first bevel gear (5).