CN215577637U

CN215577637U - Piano tuning device

Info

Publication number: CN215577637U
Application number: CN202120101957.0U
Authority: CN
Inventors: 吴怡然
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2022-01-18
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses a piano tuning device, which relates to the technical field of pianos and comprises a spanner rod, a sleeve shaft and a clamping device arranged in the sleeve shaft, wherein the clamping device is internally composed of a clamping rod, a moving assembly and a limiting assembly, the clamping rod is composed of a rubber sealing gasket, a clamping rod body and a rectangular rack, the moving assembly is composed of a rotating shell, a gear and an annular rack fixedly installed on the inner wall of the rotating shell, the clamping rod body and the sleeve shaft slide relatively through a sliding groove, and the limiting assembly is composed of a clamping rod limiting part and a sleeve shaft limiting part. This piano tuning device is provided with the removal subassembly through the clamping device in the cover axle for the cover axle can press from both sides tight tuning operation to the string knob of different specifications, improves the practicality, through being provided with spacing subassembly, makes clamping bar spacing part can fix the displacement of clamping bar, and cover axle spacing part makes the operation can not by space restriction, and is very convenient.

Description

Piano tuning device

Technical Field

The utility model relates to the technical field of pianos, in particular to a piano tuning device.

Background

The piano is a keyboard instrument in Western classical music and is known as the king of the instrument. It is composed of 88 keys (52 white keys, 36 black keys) and a metal string sound board. Piano was invented in 1709 by Pantoro-Kreisdori, Italy (1655-. The piano range is from a2(27.5Hz) to C5(4186Hz), and covers almost all the music in the musical system, being the instruments with the widest range except for the organs. Pianos are commonly used for solo, duet, accompaniment, etc. performances. The translation of chinese into piano is because after the opiate war some foreign traders see the market potential of china, export a large number of pianos to china and claim that this is a piano made of "steel", so the chinese has become habitually called a "piano".

Among the prior art, after the piano uses for a long time, thereby the string can be because often vibrate and lead to the pronunciation inaccurate, need calibrate through the tuning device, but current tuning device rotates the knob of string through the tuning spanner to take-up and relax the string and carry out the tuning, because the piano is present of a great variety, the specification that leads to the string knob of different pianos differs, make current tuning spanner use very inconvenient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a piano tuning device, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a piano tuning device, includes the clamping device who sets up in spanner pole, quill and the quill, constitute by clamping bar, removal subassembly and spacing subassembly in the clamping device, clamping bar comprises rubber packing pad, clamping bar body and rectangle rack, the removal subassembly comprises the annular rack of fixed mounting on rotating shell, gear and the rotating shell inner wall, the clamping bar body passes through spout and quill relative slip.

The limiting assembly consists of a clamping rod limiting part and a sleeve shaft limiting part, the clamping rod limiting part consists of a baffle, a handle, a fixing plate and an elastic assembly between the baffle and the fixing plate, and the sleeve shaft limiting part consists of a limiting shell, a triangular baffle and a baffle assembly between the limiting shell and the sleeve shaft.

Preferably, the lower end of the gear is meshed with the annular rack, and the left end of the gear is meshed with the right end of the rectangular rack.

Preferably, be provided with the subassembly that kick-backs on the clamp bar body, the subassembly that kick-backs comprises No. two fixed plates, No. three fixed plates and the elastic component between No. two fixed plates and No. three fixed plates.

Preferably, the upper end of the first baffle is connected with the lower end of the limiting rod in a sliding mode, the right end of the limiting rod is fixedly connected with the left upper end of the first fixing plate, the lower end of the first fixing plate is fixedly connected with the inner wall of the sleeve shaft, and the handle and the sleeve shaft slide relatively.

Preferably, the baffle assembly is composed of a second baffle, a third baffle and an elastic assembly between the second baffle and the outer wall of the sleeve shaft.

Preferably, the upper end of the rotating shell penetrates through the wrench rod and rotates relatively, the upper end of the limiting shell is fixed on the outer wall of the left lower end of the wrench rod, and the upper end of the sleeve shaft is arranged in the limiting shell and is connected with the left lower end of the wrench rod in a rotating mode.

(III) advantageous effects

The utility model provides a piano tuning device. The method has the following beneficial effects:

(1) this piano tuning device is provided with the removal subassembly through the clamping device in the cover axle on for can adjust the displacement of clamp bar through the removal subassembly, thereby make the cover axle can press from both sides tight tuning operation to the string knob of different specifications, improve tuning device's practicality.

(2) This piano tuning device through being provided with spacing subassembly for clamp bar spacing part can be fixed the displacement of clamp bar, and the staff of being convenient for operates, improves work efficiency, and the spacing part of sleeve shaft can play an one-way pivoted effect, lets the staff can carry out the small-scale unidirectional motion alright rotate the string knob, makes staff's use very convenient can not by space restriction.

Drawings

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

FIG. 2 is a schematic top view of the inner structure of the sleeve according to the present invention;

FIG. 3 is an enlarged view of the structure A of the present invention;

FIG. 4 is an enlarged view of the structure B of the present invention;

FIG. 5 is a schematic top view of the inner structure of the position-limiting housing of the present invention;

FIG. 6 is an enlarged view of the structure C of the present invention.

In the figure: 1 sleeve shaft, 2 chutes, 3 clamping rod bodies, 4 rubber sealing gaskets, 5 rectangular racks, 6 gears, 7 annular racks, 8 rotating shells, 9 second fixing plates, 10 first springs, 11 third fixing plates, 12 first baffles, 13 second springs, 14 first fixing plates, 15 limiting rods, 16 handles, 17 limiting shells, 18 triangular baffles, 19 second baffles, 20 third springs, 21 third baffles and 22 wrench rods.

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. 1-6, the present invention provides a technical solution: a piano tuning device comprises a spanner rod 22, a sleeve shaft 1 and a clamping device arranged in the sleeve shaft 1, wherein the clamping device is internally composed of a clamping rod, a moving assembly and a limiting assembly, the clamping rod is composed of a rubber sealing gasket 4, a clamping rod body 3 and a rectangular rack 5, the moving assembly is composed of a rotating shell 8, a gear 6 and a circular rack 8 fixedly installed on the inner wall of the rotating shell 8, the clamping rod body 3 slides relative to the sleeve shaft 1 through a chute 2, the lower end of the gear 6 is meshed with the circular rack 8, the left end of the gear 6 is meshed with the right end of the rectangular rack 5, the clamping rod body 3 is provided with a rebound assembly, the rebound assembly is composed of a second fixing plate 9, a third fixing plate 11 and an elastic assembly between the second fixing plate 9 and the third fixing plate 11, the second fixing plate 9 is fixedly connected with the outer wall of the clamping rod 3, the lower end of the third fixing plate 11 is fixedly connected with the upper end of the chute 2, the elastic element between the second fixing plate 9 and the third fixing plate 11 uses the first spring 10, the upper end of the first spring 10 is fixedly connected with the lower end of the second fixing plate 9, the lower end of the first spring 10 is fixedly connected with the upper end of the third fixing plate 11, and the movable assembly is arranged on the clamping device in the sleeve shaft, so that the displacement of the clamping rod can be adjusted through the movable assembly, the sleeve shaft 1 can clamp and tune string knobs of different specifications, and the practicability of the tuning device is improved;

the limiting component consists of a clamping rod limiting part and a sleeve shaft limiting part, the clamping rod limiting part consists of a first baffle plate 12, a handle 16, a first fixing plate 14 and an elastic component between the first baffle plate 12 and the first fixing plate 14, the left end of the first baffle plate 12 is movably connected with the right end of the rectangular rack 5, the upper end of the first baffle plate 12 is connected with the lower end of a limiting rod 15 in a sliding way, the right end of the limiting rod 15 is fixedly connected with the left upper end of the first fixing plate 14, an elastic element between the first baffle plate 12 and the first fixing plate 14 uses a second spring 13, the left end of the second spring 13 is fixedly connected with the right end of the first baffle plate 12, the right end of the second spring 13 is fixedly connected with the left end of the first fixing plate 14, the lower end of the first fixing plate 14 is fixedly connected with the inner wall of the sleeve shaft 1, the handle 16 slides relative to the sleeve shaft 1, the sleeve shaft limiting part consists of a limiting shell 17, a triangular baffle plate 18 and a baffle plate component between the limiting shell 17 and the sleeve shaft 1, the baffle assembly comprises a second baffle 19, a third baffle 21 and an elastic assembly between the second baffle 19 and the outer wall of the sleeve shaft 1, the lower end of the second baffle 19 is movably connected with the right end of the triangular baffle 18, the upper end of the second baffle 19 is rotatably connected with the outer wall of the sleeve shaft 1, the elastic assembly between the second baffle 19 and the outer wall of the sleeve shaft 1 adopts a third spring 20, the left end of the third spring 20 is fixedly connected with the outer wall of the sleeve shaft 1, the right end of the third spring 20 is fixedly connected with the left end of the second baffle 19, the third baffle 21 is arranged on the right side of the second baffle 19, the upper end of the third baffle 21 is fixedly connected with the outer wall of the sleeve shaft 1, and through the arrangement of the limiting assembly, the limiting part of the clamping rod can fix the displacement of the clamping rod, the operation of workers is convenient, the working efficiency is improved, the limiting part of the sleeve shaft can play a role of unidirectional rotation, the workers can perform small-range unidirectional movement to rotate the string, the use of the working personnel is very convenient and can not be limited by space;

the upper end of the rotating shell 8 penetrates through the wrench rod 22 and rotates relatively, the upper end of the limiting shell 17 is fixed on the outer wall of the left lower end of the wrench rod 22, and the upper end of the sleeve shaft 1 is arranged in the limiting shell 17 and is connected with the left lower end of the wrench rod 22 in a rotating mode.

When the piano tuning device works (or is used), when the piano tuning device needs to be tuned, firstly, the handle 16 is pulled rightwards, so that the handle 16 drives the first baffle plate 12 to move rightwards along the limiting rod 15, the left end of the first baffle plate 12 is separated from the rectangular rack 5, then, the rotating shell 8 at the upper end of the wrench rod 22 can be rotated, the annular rack 7 can be driven to rotate along with the rotating shell 8, when the rotating shell 8 rotates anticlockwise, the annular rack 7 can drive the gear 6 to rotate anticlockwise, so that the gear 6 can drive the clamping rod body 3 to push downwards along the sliding groove 2 through the rectangular rack 5, the clamping rod body 3 is far away from the center of the sleeve shaft 1, meanwhile, the clamping rod body 3 also drives the second fixing plate 9 to compress the first spring 10 downwards when moving downwards, then, the sleeve shaft 1 can be placed on a string knob, and the piano tuning device can be suitable for a string knob with a larger specification, after the string knob is arranged in the sleeve shaft 1, the rotating shell 8 can be loosened, so that the first fixing plate 9 can move upwards due to the elastic force of the first spring 10 to drive the clamping rod body 3 to move upwards to be in close contact with the string knob, then the handle 16 can be loosened, the first baffle plate 12 can move leftwards due to the elastic force of the second spring 13 to clamp the rectangular rack 5, the position of the clamping rod body 3 is fixed, the string knob can be clamped by the clamping rod body 3, then the wrench rod 22 can be operated to rotate to screw the string knob, when a worker operates the wrench rod 22 to rotate anticlockwise to screw, the wrench rod 22 can drive the limiting shell 17 to rotate anticlockwise, the limiting shell 17 can drive the triangular baffle plate 18 to rotate anticlockwise, and the triangular baffle plate 18 can drive the second baffle plate 19 to drive the sleeve shaft 1 to rotate anticlockwise, further driving the clamping bar body 3 to rotate anticlockwise to screw the string knobs for tuning, if the rotating space is small, a worker can repeatedly rotate the wrench bar 22 anticlockwise for a small range to drive the limiting shell 17 to repeatedly rotate anticlockwise for a small range, and in the process of repeatedly rotating anticlockwise for a small range, the clockwise rotation of the limiting shell 17 can not drive the sleeve shaft 1 to rotate through the second baffle 19, so that the limiting shell 17 can drive the sleeve shaft 1 to rotate anticlockwise and screw only when rotating anticlockwise, to sum up, the sleeve shaft 1 can clamp and tune string knobs of different specifications by arranging the moving assembly on the clamping device in the sleeve shaft 1, the practicability of the tuning device is improved, and the displacement of the clamping bar can be fixed by the limiting portion of the clamping bar through the arrangement of the limiting assembly, so that the tuning device is convenient to operate, the sleeve shaft restricting portion allows the operation not to be restricted by space.

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 a piano tuning device, includes the clamping device who sets up in spanner pole (22), sleeve axle (1) and sleeve axle (1), its characterized in that: the clamping device is internally provided with a clamping rod, a moving assembly and a limiting assembly, the clamping rod is composed of a rubber sealing gasket (4), a clamping rod body (3) and a rectangular rack (5), the moving assembly is composed of a rotating shell (8), a gear (6) and an annular rack (7) fixedly installed on the inner wall of the rotating shell (8), and the clamping rod body (3) and the sleeve shaft (1) slide relatively through a sliding groove (2);

the limiting assembly consists of a clamping rod limiting part and a sleeve shaft limiting part, the clamping rod limiting part consists of a baffle (12), a handle (16), a fixing plate (14), an elastic assembly between the baffle (12) and the fixing plate (14), and the sleeve shaft limiting part consists of a limiting shell (17), a triangular baffle (18), a limiting shell (17) and a baffle assembly between the sleeve shaft (1).

2. A piano tuning device according to claim 1, wherein: the lower end of the gear (6) is meshed with the annular rack (7), and the left end of the gear (6) is meshed with the right end of the rectangular rack (5).

3. A piano tuning device according to claim 1, wherein: be provided with the subassembly that kick-backs on pressing from both sides tight pole body (3), the subassembly that kick-backs comprises No. two fixed plates (9), No. three fixed plate (11) and No. two fixed plates (9) and the elastic component between No. three fixed plate (11).

4. A piano tuning device according to claim 1, wherein: no. one baffle (12) upper end and gag lever post (15) lower extreme sliding connection, gag lever post (15) right-hand member and fixed plate (14) upper left end fixed connection, fixed plate (14) lower extreme and sleeve (1) inner wall fixed connection, handle (16) and sleeve (1) relative slip.

5. A piano tuning device according to claim 1, wherein: the baffle assembly is composed of a second baffle (19), a third baffle (21) and an elastic assembly between the second baffle (19) and the outer wall of the sleeve shaft (1).

6. A piano tuning device according to claim 1, wherein: rotate shell (8) upper end and pass wrench rod (22) and relative rotation, spacing shell (17) upper end is fixed on wrench rod (22) left side lower extreme outer wall, sleeve shaft (1) upper end sets up in spacing shell (17) and rotates with wrench rod (22) left side lower extreme and be connected.