Portable piano tuning device

Abstract

The utility model discloses a portable piano tuning device, which relates to the technical field of piano tuning and comprises a mounting seat, one end of the mounting seat is fixedly connected with a first fixing seat, the other end of the mounting seat is fixedly connected with a second fixing seat, and the first fixing seat and the second fixing seat are identical in structure. According to the portable piano tuning device, the mounting base, the first fixing base and the second fixing base are arranged, the fixing column can be adjusted to the side face of the mounting base or the fixing column can be adjusted to the end face of the mounting base according to needs, and if the arms of a tuning person are short, the tuning person can adjust the tuning person to the end face of the mounting base. The fixing column can be adjusted on the end face of the mounting base, so that the fixing column faces a tuning person, and the tuning person can sit in front of the piano and drive the first fixing base, the mounting base and the wrench head to rotate by rotating the connecting column, so that the tuning peg is adjusted, and the piano is tuned.

Description

TECHNICAL FIELD

[0001] The utility model relates to piano tuning technical field, concretely is a kind of portable piano tuning device. BACKGROUND

[0002] Tuning wrench is the special tool of piano manufacturing and maintenance adjustment tuning industry, for adjusting the string shaft of piano, to change the tension of string, reach the purpose of adjusting pitch.It is the most simple and vital tool in the process of piano tuning, other such as tuning fork, mute felt etc.although also often used, but can be replaced by other appliances, and tuning wrench is irreplaceable.However, existing tuning wrench when using, handle is installed in the side of wrench head, when rotating wrench head, handle needs to be rotated from side, when the arm of tuning personnel is short, cannot sit in front of piano, rotating and using tuning wrench, lead to inconvenient use of tuning wrench. CONTENT OF UTILITY MODEL

[0003] In view of the deficiency of prior art, the utility model provides a kind of portable piano tuning device, solve the problem raised in above background art.

[0004] To realize above purpose, the utility model is realized by the following technical scheme: a kind of portable piano tuning device, including mounting seat, one end of the mounting seat is fixedly connected with first fixed seat, the other end of the mounting seat is fixedly connected with second fixed seat, the structure of the first fixed seat and second fixed seat is same, one side of the second fixed seat is placed with connecting rod, one end of the connecting rod is inserted into second fixed seat inside, one side of the second fixed seat is inserted with screw, one end of the screw passes through connecting rod and extends to the outside of second fixed seat, the outside of one end of the screw is screw-threaded with nut, one end of the mounting seat is fixedly connected with wrench head.

[0005] Preferably, one end of the connecting rod is fixedly connected with fixed column, one side of the inner cavity of the fixed column is rotatably connected with ball screw, the outside of the ball screw is screw-threaded with push plate, one end of the push plate is fixedly connected with telescopic column, one end of the telescopic column extends to the outside of fixed column and is fixedly connected with connecting column.

[0006] Preferably, one side of the inner cavity of the connecting column is rotatably connected with fixed rod, the outside of the fixed rod movably sheaths slide sleeve, two limit grooves are arranged in the inside of the slide sleeve and located at the outside of fixed rod, the inside of the limit groove is slidably connected with limit block, one end of the limit block is connected with the outside of fixed rod, the other end of the fixed rod extends to the outside of slide sleeve and connecting column and is fixedly connected with one end of ball screw.

[0007] Preferably, two guide grooves are arranged in the inner wall of the fixed column, the inside of the guide groove is slidably connected with guide block, one end of the guide block is fixedly connected with the outside of push plate.

[0008] Preferably, one side of the connecting column is fixedly connected with a driving block, one end of the sliding sleeve extends into the driving block and is rotationally connected with one side of the inner cavity of the driving block, the outer side of one end of the sliding sleeve is fixedly sleeved with a worm wheel, the top of the inner cavity of the driving block is rotationally connected with a worm that is in transmission connection with the worm wheel, and the bottom end of the worm extends below the driving block.

[0009] Preferably, the outer side of the connecting column is fixedly sleeved with a knob.

[0010] The utility model provides a portable piano tuning device has the following beneficial effects:

[0011] 1、 this portable piano tuning device, by being provided with mounting seat, first fixed seat and second fixed seat, can adjust the side surface of fixed column to mounting seat according to need, or the fixed column is adjusted in the end face of mounting seat, if the arm of the tuning personnel is short, can adjust the fixed column in the end face of mounting seat, make the fixed column face tuning personnel, so that the tuning personnel can sit in front of the piano, through the rotation connecting column drive first fixed seat, mounting seat and handle head rotation, adjust the tuning peg, tune the piano.

[0012] 2、 this portable piano tuning device, by being provided with fixed column, ball screw and connecting column, when needing to adjust the length of connecting column, the operator rotates the worm, makes the worm drive the worm wheel drive the sliding sleeve rotation, makes the sliding sleeve drive fixed rod rotation through the limiting groove and limiting block, makes fixed rod drive ball screw drive push plate movement, makes push plate push telescopic column to fixed column outside direction movement, makes telescopic column push connecting column and drive block movement, makes connecting column drive sliding sleeve along the outside of fixed rod movement, makes limiting groove along the outside of limiting block movement, thereby adjust the extension length of telescopic column, adjust the overall length of fixed column, telescopic column and connecting column and drive block, so that the tuning personnel uses. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is internal structure schematic view of the utility model;

[0014] Figure 2 It is structure schematic view when the utility model is installed on first fixed seat;

[0015] Figure 3 It is part of internal structure schematic view of the utility model;

[0016] Figure 4 It is connecting rod and second fixed seat connection structure schematic view of the utility model.

[0017] In the figure: 1, mounting seat; 2, first fixed seat; 3, second fixed seat; 4, connecting rod; 5, fixed column; 6, ball screw; 7, push plate; 8, telescopic column; 9, guide block; 10, connecting column; 11, sliding sleeve; 12, fixed rod; 13, limiting groove; 14, limiting block; 15, driving block; 16, worm; 17, worm; 18, screw; 19, nut; 20, knob; 21, wrench; 22, guide groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0019] Embodiment one

[0020] Please refer to Figures 1 to 4 The utility model provides a kind of technical scheme: a portable piano tuning device, including mounting seat 1, one end of mounting seat 1 is fixedly connected with first fixed seat 2, the other end of mounting seat 1 is fixedly connected with second fixed seat 3, first fixed seat 2 and second fixed seat 3 are same structure, connecting rod 4 is placed in the side of second fixed seat 3, one end of connecting rod 4 is inserted into second fixed seat 3 inside, screw 18 is inserted in the side of second fixed seat 3, one end of screw 18 passes through connecting rod 4 and extends to the outside of second fixed seat 3, nut 19 is screw-connected on the outside of one end of screw 18, one end of mounting seat 1 is fixedly connected with wrench 21.

[0021] One end of connecting rod 4 is fixedly connected with fixed column 5, one side of the inner cavity of fixed column 5 is rotatably connected with ball screw 6, the outside of ball screw 6 is screw-connected with push plate 7, one end of push plate 7 is fixedly connected with telescopic column 8, one end of telescopic column 8 extends to the outside of fixed column 5 and is fixedly connected with connecting column 10, the length of fixed column 5, telescopic column 8 and connecting column 10 can be adjusted by telescopic column 8.

[0022] One side of the inner cavity of connecting column 10 is rotatably connected with fixed rod 12, sliding sleeve 11 is movably sleeved on the outside of fixed rod 12, two limiting grooves 13 are formed in the inside of sliding sleeve 11 and located on the outside of fixed rod 12, limiting block 14 is slidably connected in the inside of limiting groove 13, one end of limiting block 14 is connected with the outside of fixed rod 12, the other end of fixed rod 12 extends to the outside of sliding sleeve 11 and connecting column 10 and is fixedly connected with one end of ball screw 6, fixed rod 12 can drive ball screw 6 to rotate, in turn, push plate 7, telescopic column 8, connecting column 10 and driving block 15 are moved by ball screw 6.

[0023] Two guide grooves 22 are formed in the inner wall of the fixed column 5, and a guide block 9 is slidably connected in each of the guide grooves 22.

[0024] The driving block 15 is fixedly connected to one side of the connecting column 10, and the one end of the sliding sleeve 11 extends into the driving block 15 and is rotatably connected to one side of the inner cavity of the driving block 15.

[0025] Embodiment Two

[0026] Please refer to Figures 1 to 3 The utility model provides a technical scheme: the outer side of connecting column 10 is fixedly provided with knob 20, so as to be adjusted to face the tuning personnel when one end of connecting column 10, by pinching knob 20 with fingers, connecting column 10, driving block 15, telescopic column 8 and fixed column 5 and connecting rod 4, first fixed seat 2 and mounting seat 1 and wrench head 21 can be rotated, and the tuning of the string shaft is adjusted, so that the tuning of the piano is carried out.

[0027] In summary, when the length of the connecting column 10 needs to be adjusted, the operator rotates the worm 17, so that the worm 17 drives the worm wheel 16 to drive the sliding sleeve 11 to rotate, so that the sliding sleeve 11 drives the fixed rod 12 to rotate through the limiting groove 13 and the limiting block 14, so that the fixed rod 12 drives the ball screw 6 to drive the push plate 7 to move, so that the push plate 7 drives the telescopic column 8 to move outwardly relative to the fixed column 5, so that the telescopic column 8 drives the connecting column 10 and the driving block 15 to move, so that the connecting column 10 drives the sliding sleeve 11 to move along the outside of the fixed rod 12, so that the limiting groove 13 moves along the outside of the limiting block 14, and the extension length of the telescopic column 8 can be obtained through the scale arranged on the surface of the telescopic column 8, so that the extension length of the telescopic column 8 is adjusted, so that the lengths of the fixed column 5, the telescopic column 8, the connecting column 10 and the driving block 15 are adjusted, then the user can hold the connecting column 10, insert one end of the wrench 21 into the string shaft and tighten, then the string shaft can be adjusted by rotating the connecting column 10, the telescopic column 8 and the fixed column 5 to drive the connecting rod 4, the mounting seat 1 and the wrench 21, so that the piano is tuned, if the arm of the tuner is short, the nut 19 can be unscrewed from the outside of the screw 18, then the screw 18 can be taken out from the inside of the second fixed seat 3 and the connecting rod 4, then one end of the connecting rod 4 can be moved out from the inside of the second fixed seat 3, then one end of the connecting rod 4 can be inserted into the inside of the first fixed seat 2, then one end of the screw 18 can be inserted into the inside of the first fixed seat 2 and the connecting rod 4, then one end of the screw 18 can be inserted out to the outside of the first fixed seat 2, then the nut 19 can be screwed on the outside of the screw 18 to fix the first fixed seat 2 and the connecting rod 4, at this time, one end of the wrench 21 can be inserted into the string shaft and tightened, then the string shaft can be adjusted by rotating the connecting column 10, the telescopic column 8 and the fixed column 5 to drive the connecting rod 4, the mounting seat 1 and the wrench 21, so that the piano is tuned, so that the tuner can sit in front of the piano and rotate the connecting column 10, the telescopic column 8 and the fixed column 5 to drive the connecting rod 4, the mounting seat 1 and the wrench 21 to adjust the string shaft without getting up.

[0028] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. A portable piano tuning device comprising a mounting base (1), characterised in that: One end of the mounting seat (1) is fixedly connected with a first fixing seat (2), the other end of the mounting seat (1) is fixedly connected with a second fixing seat (3), the first fixing seat (2) and the second fixing seat (3) are the same structure, one side of the second fixing seat (3) is placed with a connecting rod (4), one end of the connecting rod (4) is inserted into the second fixing seat (3), one side of the second fixing seat (3) is inserted with a screw (18), one end of the screw (18) passes through the connecting rod (4) and extends to the outside of the second fixing seat (3), the outside of one end of the screw (18) is threadedly connected with a nut (19), one end of the mounting seat (1) is fixedly connected with a wrench (21).

2. A portable piano tuning device according to claim 1, characterized in that: One end of the connecting rod (4) is fixedly connected with a fixed column (5), one side of the inner cavity of the fixed column (5) is rotatably connected with a ball screw (6), the outer side of the ball screw (6) is threadedly connected with a push plate (7), one end of the push plate (7) is fixedly connected with an extension column (8), one end of the extension column (8) extends to the outside of the fixed column (5) and is fixedly connected with a connecting column (10).

3. A portable piano tuning device according to claim 2, wherein: One side of the inner cavity of the connecting column (10) is rotatably connected with a fixed rod (12), the outer side of the fixed rod (12) movably sheaths a sliding sleeve (11), two limiting grooves (13) are formed in the inner part of the sliding sleeve (11) and located at the outer side of the fixed rod (12), limiting blocks (14) are slidably connected in the limiting grooves (13), one end of the limiting blocks (14) is connected with the outer side of the fixed rod (12), the other end of the fixed rod (12) extends to the outside of the sliding sleeve (11) and the connecting column (10) and is fixedly connected with one end of the ball screw (6).

4. The portable piano tuning device of claim 2, wherein: Two guide grooves (22) are formed in the inner wall of the fixed column (5), guide blocks (9) are slidably connected in the guide grooves (22), one end of the guide blocks (9) is fixedly connected with the outer side of the push plate (7).

5. The portable piano tuning device of claim 3, wherein: One side of the connecting column (10) is fixedly connected with a driving block (15), one end of the sliding sleeve (11) extends to the inner part of the driving block (15) and is rotatably connected with one side of the inner cavity of the driving block (15), a worm wheel (16) is fixedly sheathed on the outer side of one end of the sliding sleeve (11), a worm (17) which is in transmission connection with the worm wheel (16) is rotatably connected with the top of the inner cavity of the driving block (15), the bottom end of the worm (17) extends below the driving block (15).

6. The portable piano tuning device of claim 2, wherein: The outer side of the connecting column (10) is fixedly sheathed with a knob (20).

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