CN212782683U

CN212782683U - Piano string pressing strip convenient to adjust

Info

Publication number: CN212782683U
Application number: CN202021787738.4U
Authority: CN
Inventors: 马佳跃; 马千斯
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-03-23
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a string strip is pressed to piano convenient to adjust relates to piano tuning technical field, including the peg board, press string strip and a set of string, the last fixed surface of peg board is connected with the capotasto, the upper surface of capotasto and the surface contact of string, the last surface rotation of peg board is connected with the peg, the top of string and the surface fixed connection of peg, a set of first screw hole has been seted up to the upper surface of pressing the string strip. The utility model relates to a rational in infrastructure, it can set up through the cooperation between fine setting bolt, third screw hole, connecting rod and the isolation steel sheet, rotates the fine setting bolt, can drive the isolation steel sheet and move down, pushes down the string, changes the degree that the string compresses tightly the string of pressing, precision when can enlarge the regulation, and then reaches the slight regulation to string tensioning degree, can be very easy adjust the piano to best sound, can make the tuning operation of piano more convenient.

Description

Piano string pressing strip convenient to adjust

Technical Field

The utility model relates to a piano tuning technical field specifically is a piano string pressing strip convenient to adjust.

Background

Mechanical piano needs regular tuning, and this is mechanical piano's characteristic decision, and annual in seasonal variation, the length that can cause the string changes, causes then to walk the sound, needs to look for professional tuning person and adjust to the optimum.

When carrying out the tuning to the piano now, mostly use tuning spanner, twist the tuning peg, clockwise twisting is exactly tight, otherwise exactly the pine, this kind of tuning mode, it is still not obvious at bass end shortcoming, it is just very obvious to the high pitch section, present tuning mode is hardly adjusted the optimum position, move tuning spanner a little, the intonation will the off tracking a lot, even professional tuner, when reaching the high pitch district, also be very difficult to adjust the piano to the optimum intonation, work efficiency when the piano tuning is not high. Therefore, the piano string pressing strip convenient to adjust is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing a piano string pressing strip convenient to adjust in order to compensate the not enough of prior art.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a piano string pressing strip convenient to adjust, includes the peg board, presses string strip and a set of string, the last fixed surface of peg board is connected with the capotasto, the surface contact of the upper surface of capotasto and string, the last surface rotation of peg board is connected with the peg, the top of string and the surface fixed connection of peg, a set of first screw hole has been seted up to the upper surface of pressing string strip, a set of second screw hole corresponding with first screw hole has been seted up to the upper surface of peg board, every the equal threaded connection of inner wall of first screw hole has the screw, just the surface of screw bottom and the inner wall threaded connection of second screw hole, the corresponding string groove with the string is seted up to the bottom surface of pressing string strip, every the string is located the inside of every string groove respectively, the top of string groove is equipped with the fine setting subassembly.

Further, the fine adjustment assembly comprises a third threaded hole and a via hole, the third threaded hole and the via hole are both arranged inside the string pressing strip, the third threaded hole is communicated with the via hole, the via hole is communicated with the string groove, the inner wall of the third threaded hole is in threaded connection with a fine adjustment bolt, the top end of the fine adjustment bolt extends to the upper side of the string pressing strip, the bottom end of the fine adjustment bolt is fixedly connected with a connecting rod, the inner wall of the via hole is provided with two sliding grooves, the insides of the two sliding grooves are both in sliding connection with a sliding block, an isolation steel sheet is arranged below the connecting rod, one side face, close to each other, of the two sliding blocks is fixedly connected with the outer surface of the isolation steel sheet, the upper surface of the isolation steel sheet is fixedly embedded with a micro bearing, the bottom end of the connecting rod is fixedly connected with the inner ring, the groove on the bottom surface of the isolation steel sheet is in contact with the outer surface of the string.

Further, each outer surface on fine setting bolt top all is equipped with the spring, every the bottom of spring all with the last fixed surface who presses the string strip is connected.

Furthermore, the outer surface of the top end of the fine adjustment bolt is provided with a gear groove, the upper surface of the fine adjustment bolt is provided with an inner hexagonal groove, the upper surface of the fine adjustment bolt is provided with an arrow groove, and the upper surface of the string pressing strip is provided with a circle of scales corresponding to the arrow groove.

Furthermore, a group of rubber pads is installed on the inner wall of the string groove.

Thirdly), the beneficial effects are as follows:

compared with the prior art, this piano string pressing strip convenient to adjust possesses following beneficial effect:

the utility model discloses a cooperation setting between fine setting bolt, third screw hole, connecting rod and the isolation steel sheet rotates the fine setting bolt, can drive isolation steel sheet downstream, pushes down the string, changes the degree that the string compresses tightly the string of string, precision when can enlarge the regulation, and then reaches the slight regulation to string tensioning degree, can be very easy adjust the piano to best intonation, can make the tuning operation of piano more convenient.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a cross-sectional view of a front view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at B in FIG. 2 according to the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a peg board; 2. pressing the chord strip; 3. a string; 4. a capo; 5. a first threaded hole; 6. a screw; 7. a fine tuning component; 701. a third threaded hole; 702. fine-tuning the bolt; 703. a via hole; 704. a connecting rod; 705. a micro-bearing; 706. isolating steel sheets; 707. a chute; 708. a slider; 8. a spring; 9. a second threaded hole; 10. a peg; 11. calibration; 12. an arrow head groove; 13. a string groove; 14. a rubber pad; 15. a gear groove; 16. an inner hexagonal groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a technical solution: a piano string pressing strip convenient to adjust comprises a string shaft plate 1, a string pressing strip 2 and a group of strings 3, wherein the upper surface of the string shaft plate 1 is fixedly connected with a capotasto 4, the upper surface of the capotasto 4 is contacted with the outer surfaces of the strings 3, the upper surface of the string shaft plate 1 is rotatably connected with a string shaft 10, the top ends of the strings 3 are fixedly connected with the outer surfaces of the string shafts 10, the upper surface of the string pressing strip 2 is provided with a group of first threaded holes 5, the upper surface of the string shaft plate 1 is provided with a group of second threaded holes 9 corresponding to the first threaded holes 5, the inner wall of each first threaded hole 5 is in threaded connection with a screw 6, and the outer surface of the bottom end of the screw 6 is in threaded connection with the inner wall of the second threaded hole 9, the bottom surface of the string pressing bar 2 is provided with string grooves 13 corresponding to the strings 3, each string 3 is respectively positioned inside each string groove 13, and the fine adjustment assembly 7 is arranged above each string groove 13.

Further, the fine tuning assembly 7 comprises a third threaded hole 701 and a via hole 703, the third threaded hole 701 and the via hole 703 are both arranged inside the string pressing bar 2, the third threaded hole 701 is communicated with the via hole 703, the via hole 703 is communicated with the string groove 13, the inner wall of the third threaded hole 701 is in threaded connection with a fine tuning bolt 702, the top end of the fine tuning bolt 702 extends to the upper side of the string pressing bar 2, the bottom end of the fine tuning bolt 702 is fixedly connected with a connecting rod 704, the inner wall of the via hole 703 is provided with two sliding grooves 707, the insides of the two sliding grooves 707 are both in sliding connection with sliding blocks 708, an isolating steel sheet 706 is arranged below the connecting rod 704, one side surface of each sliding block 708 which is close to each other is fixedly connected with the outer surface of the isolating steel sheet 706, a micro bearing 705 is fixedly embedded on the upper surface of the isolating steel sheet 706, the bottom end of the connecting, the groove on the bottom surface of the isolating steel sheet 706 is in contact with the outer surface of the string 3. In this scheme, the fine tuning bolt 702 is rotated, under the cooperation setting of third screw hole 701 and fine tuning bolt 702, rotate fine tuning bolt 702 and can make fine tuning bolt 702 drive connecting rod 704 move down to can drive isolation steel sheet 706 and move down, and then can push down string 3, reach the purpose of tuning, through miniature bearing 705, two spout 707 and the cooperation setting between two sliders 708, it is more stable when can making isolation steel sheet 706 move down, and then it is more stable when can making the fine tuning.

Further, the outer surface at the top end of each fine tuning bolt 702 is sleeved with a spring 8, and the bottom end of each spring 8 is fixedly connected with the upper surface of the string pressing strip 2. Through this scheme, spring 8 keeps elasticity throughout, can make fine setting bolt 702 receive ascending power, avoids fine setting bolt 702 not hard up to appear, guarantees the tensioning degree of string 3.

Further, the outer surface of the top end of the fine adjustment bolt 702 is provided with a gear groove 15, the upper surface of the fine adjustment bolt 702 is provided with an inner hexagonal groove 16, the upper surface of the fine adjustment bolt 702 is provided with an arrow groove 12, and the upper surface of the string pressing bar 2 is provided with a circle of scales 11 corresponding to the arrow groove 12. Through this scheme, through the cooperation setting between arrow head groove 12 and the scale 11, can be more accurate when rotating fine setting bolt 702, interior hexagonal groove 16's setting can conveniently carry out manual rotation to fine setting bolt 702, and the setting of gear groove 15 can conveniently add the electric regulation afterwards.

Further, a set of rubber pads 14 is mounted on the inner wall of the string groove 13. Through this scheme, can avoid string 3 to bump with the inner wall of pressing 2 bottom surfaces musical instrument string grooves 13, avoid taking place resonance and send the noise, can guarantee that the piano is normally played.

The working principle is as follows: when the piano needs to be tuned, firstly, the tuning wrench is used for rotating the tuning peg 10 to roughly adjust the string 3, then the fine tuning bolt 702 is rotated to finely adjust the string 3, in the process, the fine tuning bolt 702 is rotated, under the matched setting of the third threaded hole 701 and the fine tuning bolt 702, the fine tuning bolt 702 is rotated to enable the fine tuning bolt 702 to drive the connecting rod 704 to downwards move, so that the isolating steel sheet 706 can be driven to downwards move, the string 3 can be downwards pressed, the compression degree of the string 3 by the string pressing bar 2 is changed, the tension degree of the sounding part of the string 3 can be changed, and the tuning purpose is achieved, wherein the adjusting mode is that the traditional horizontal adjustment is changed into the vertical adjustment, the adjusting precision can be enlarged, so that the fine adjustment of the tension degree of the string 3 is achieved, the matched setting among the micro bearing 705, the two sliding grooves 707 and the two sliding blocks 708, the steel spacer sheet 706 can be more stably moved downward.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a piano string pressing strip convenient to adjust, includes peg board (1), string pressing strip (2) and a set of musical instrument string (3), its characterized in that: the upper surface of the peg board (1) is fixedly connected with a peg (4), the upper surface of the peg (4) is in contact with the outer surface of a string (3), the upper surface of the peg board (1) is rotatably connected with a peg (10), the top end of the string (3) is fixedly connected with the outer surface of the peg (10), the upper surface of the string pressing strip (2) is provided with a group of first threaded holes (5), the upper surface of the peg board (1) is provided with a group of second threaded holes (9) corresponding to the first threaded holes (5), the inner wall of each first threaded hole (5) is in threaded connection with a screw (6), the outer surface of the bottom end of the screw (6) is in threaded connection with the inner wall of each second threaded hole (9), the bottom surface of the string pressing strip (2) is provided with string grooves (13) corresponding to the string (3), and each string (3) is respectively located inside each string groove (13), and a fine adjustment assembly (7) is arranged above the string groove (13).

2. A piano string pressing bar convenient to adjust according to claim 1, wherein: the fine adjustment assembly (7) comprises a third threaded hole (701) and a via hole (703), the third threaded hole (701) and the via hole (703) are both arranged inside the string pressing strip (2), the third threaded hole (701) is communicated with the via hole (703), the via hole (703) is communicated with the string groove (13), the inner wall of the third threaded hole (701) is in threaded connection with a fine adjustment bolt (702), the top end of the fine adjustment bolt (702) extends to the upper part of the string pressing strip (2), the bottom end of the fine adjustment bolt (702) is fixedly connected with a connecting rod (704), the inner wall of the via hole (703) is provided with two sliding grooves (707), the insides of the two sliding grooves (707) are both in sliding connection with sliding blocks (708), an isolation steel sheet (706) is arranged below the connecting rod (704), one side face, close to each other, of the two sliding blocks (708) is both fixedly connected with the outer surface of the isolation steel, the upper surface of isolation steel sheet (706) is fixed inlays and has miniature bearing (705), the bottom of connecting rod (704) and the inner circle fixed connection of miniature bearing (705), the recess with string (3) looks adaptation is seted up to the bottom surface of isolation steel sheet (706), the recess of isolation steel sheet (706) bottom surface contacts with the surface of musical instrument string (3).

3. A piano string pressing bar convenient to adjust according to claim 2, wherein: every the surface on fine setting bolt (702) top all is equipped with spring (8), every the bottom of spring (8) all with the last fixed surface who presses string strip (2) be connected.

4. A piano string pressing bar convenient to adjust according to claim 2, wherein: the outer surface of the top end of the fine adjustment bolt (702) is provided with a gear groove (15), the upper surface of the fine adjustment bolt (702) is provided with an inner hexagonal groove (16), the upper surface of the fine adjustment bolt (702) is provided with an arrow head groove (12), and the upper surface of the string pressing strip (2) is provided with a circle of scales (11) corresponding to the arrow head groove (12).

5. A piano string pressing bar convenient to adjust according to claim 1, wherein: a group of rubber pads (14) are installed on the inner wall of the string groove (13).