CN214237938U

CN214237938U - Piano tuning wrench

Info

Publication number: CN214237938U
Application number: CN202120083464.9U
Authority: CN
Inventors: 贾志伟
Original assignee: Hebei Normal University for Nationalities
Current assignee: Hebei Normal University for Nationalities
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-09-21
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a piano tuning spanner, including base, grab handle main part, fixed knot structure, fixed slot, extending structure, revolution mechanic and fixed column, the base is fixed on grab handle main part right side, and the fixed slot setting is inside the grab handle main part, and the go-between setting is on the grab handle main part surface, and the spliced pole setting is in the extending structure left side, and the spread groove setting is inside the joint base, and the column spinner setting is in joint base middle part position, and fixed joint sets up in the revolution mechanic top, and the fixed column setting is at the middle part of fixed joint, and the nut setting is on the fixed column surface, and the screw socket main part sets up in the fixed column top, and the screw socket setting is inside the screw socket main part. This piano tuning spanner, grab handle length can be adjusted, and the angular position of spanner screw socket main part can be adjusted, and has made things convenient for and has changed the screw socket main part, not only is favorable to working in narrow and small place, can also adapt to the work of different angles and change not equidimension adjusting position's ability.

Description

Piano tuning wrench

Technical Field

The utility model relates to a piano temperament is correlated with technical field, specifically is a piano temperament adjusting spanner.

Background

The tuning of the piano is to tighten or loosen the strings to make the strings reach a certain pitch, namely, a group of a tones of small characters are used, the vibration frequency is 440Hz as the standard, each tone of the piano is tuned according to a twelve-tone equal temperament method, the tuning of the piano is a complex work, a tuning operator not only needs to tune the tones, but also needs to tune all mechanical parts of the piano normally to restore all systems to normal, so that the good performance and the music effect of the piano are fully exerted, tuning tools only need tuning wrenches, and the tuning wrenches are special tools for rotating pins of the steel strings to adjust the tension of the strings and increase or decrease the tones.

However, the existing piano tuning wrench has some defects, the grab handle of the existing piano tuning wrench is generally fixed in length, the existing piano tuning wrench is not beneficial to work in a narrow place, screw ports of most wrenches are inconvenient to replace, and the existing piano tuning wrench is not beneficial to use when facing different sizes of adjusting positions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piano tuning spanner to current piano tuning spanner who proposes in solving above-mentioned background art has some defects, and present piano tuning spanner's grab handle is generally all the regular length, is unfavorable for carrying out work in narrow and small place, and the inconvenient change of screw socket of most spanner, is unfavorable for the problem of the use when in the face of different size adjusting position.

In order to achieve the above object, the utility model provides a following technical scheme: a piano tuning wrench comprises a base, a handle main body, a fixing structure, a fixing groove, a telescopic structure, a rotating structure and a fixing column, wherein the base is fixed on the right side of the handle main body, anti-skid threads are arranged on the surface of the handle main body, the fixing groove is arranged in the handle main body, the fixing structure is arranged in the handle main body, a connecting ring is arranged on the surface of the handle main body, the telescopic structure is arranged on the left side of the handle main body, a connecting column is arranged on the left side of the telescopic structure, a joint base is fixed on the left side of the connecting column, a connecting groove is arranged in the joint base, the rotating structure is arranged above the joint base, the rotating column is arranged in the middle of the joint base, the rotating disc is arranged between the rotating structures, the fixing joint is arranged above the rotating structure, the fixing column is arranged in the middle of the fixing joint, a nut is arranged on the surface of the fixing column, and a screw socket main body is arranged above the fixing column, the screw is arranged in the screw main body.

Preferably, the grab handle main part is the cylindrical structure of metal material, and the grab handle main part can be dismantled into the three-section, and the go-between is provided with two, and the go-between is the metal material, and grab handle main part surface is provided with anti-skidding line.

Preferably, fixed knot constructs and the fixed slot all sets up inside the handle main part of holding, and fixed knot constructs and the fixed slot is the metal material, and fixed knot constructs the surface and all is provided with the screw thread with the fixed slot internal surface, and fixed knot constructs to be connected with the fixed slot through the screw thread, and every go-between below, is the junction of two sections adjacent grab handle main parts.

Preferably, extending structure is the metal material, and the spliced pole setting is inside extending structure, and the spliced pole passes through extending structure control flexible, and the spliced pole top position is provided with the screw thread, and the inside screw thread that also is provided with of spread groove, and the spliced pole passes through screw thread and spread groove fixed connection.

Preferably, revolution mechanic sets up at two, and revolution mechanic is cylindrical sheet metal, and the revolution mechanic of top sets up at the fixed joint lower surface, and the revolution mechanic setting of below is at the joint base upper surface, and is provided with rotary disk and column spinner between the revolution mechanic, and the revolution mechanic of top rotates along with the rotation disc around the column spinner.

Preferably, the fixed column is the cylindrical structure of metal material, and the fixed column surface is provided with the screw socket main part, and passes through the fixed screw socket main part of nut, and the screw socket main part can wind fixed column angle of adjustment position.

Compared with the prior art, the beneficial effects of the utility model are that: according to the piano tuning wrench, the length of the grab handle can be adjusted, the angle position of the wrench screw body can be adjusted, the screw body can be conveniently replaced, the piano tuning wrench is beneficial to working in a narrow place and can adapt to working at different angles and the capability of replacing adjusting positions with different sizes;

1. the fixing structure and the fixing groove are arranged in the grab handle main body and fixedly connected through threads, the grab handle main body can be disassembled into three sections, and the connecting part of the grab handle main body is arranged below the connecting ring, so that the length of the grab handle can be adjusted, and the work at a narrow position is facilitated;

2. be provided with screw socket main part, screw socket, nut, fixed column and fixed joint, the screw socket main part sets up on the fixed column surface, and the fixed column sets up the screw socket main part between fixed joint, and fixed through the nut, and convenient to detach changes the screw socket main part, and also makes things convenient for screw socket main part angle regulation position, is favorable to better use.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention from above;

FIG. 3 is a schematic view of the overall structure of the utility model;

fig. 4 is a schematic view of the left side view of the structure of the present invention.

In the figure: 1. a base; 2. a handle body; 3. anti-skid lines; 4. fixing grooves; 5. a fixed structure; 6. a connecting ring; 7. a telescopic structure; 8. connecting columns; 9. connecting grooves; 10. a joint base; 11. a rotating structure; 12. a spin column; 13. rotating the disc; 14. fixing the joint; 15. fixing a column; 16. a nut; 17. a screw body; 18. and (4) screwing.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a piano tuning wrench comprises a base 1, a grab handle main body 2, a fixing structure 5, a fixing groove 4, a telescopic structure 7, a rotating structure 11 and a fixing column 15, wherein the base 1 is fixed on the right side of the grab handle main body 2, the grab handle main body 2 can be disassembled into three sections, the length of the grab handle is convenient to adjust, the problem of narrow positions is convenient to handle, anti-skid lines 3 are arranged on the surface of the grab handle main body 2, the friction between the anti-skid lines and a palm is increased, the better use is convenient, the fixing groove 4 is arranged inside the grab handle main body 2, the fixing structure 5 is arranged inside the grab handle main body 2, the surface of the fixing structure 5 and the inner surface of the fixing groove 4 are both provided with threads, the fixing structure 5 is connected with the fixing groove 4 through the threads, a connecting ring 6 is arranged on the surface of the grab handle main body 2, the connecting position is covered, the telescopic structure 7 is arranged on the left side of the grab handle main body 2, a connecting column 8 is arranged on the left side of the telescopic structure 7, the structure in front of the adjusting wrench, and connect the base 10 to fix on the left of the joint column 8, the connecting slot 9 is set inside the joint base 10, and the rotating structure 11 is set above the joint base 10, the angle of the screw body 17 is convenient to adjust, the rotating column 12 is set in the middle of the joint base 10, the rotating structure 11 rotates around the rotating column 12, and the rotating disk 13 is set between the rotating structure 11, the fixed joint 14 is set above the rotating structure 11, which plays the role of fixing and supporting, and the fixed column 15 is set in the middle of the fixed joint 14, the structure for fixing the screw body 17, the nut 16 is set on the surface of the fixed column 15, which fixes the screw body 17, and the screw body 17 is set above the fixed column 15, and fixed by the nut 16, which is convenient to detach and replace the screw body 17, and also facilitates the screw body 17 to adjust the angle position, which is beneficial to better use, the screw 18 is provided inside the screw body 17.

As in fig. 1, fig. 2, the cylindrical structure of grab handle main part 2 for metal material in fig. 3 and fig. 4, and grab handle main part 2 can be dismantled into the three-section, be convenient for adjust grab handle length, be convenient for handle the problem of narrow and small position, and go-between 6 is provided with two, and go-between 6 is metal material, and grab handle main part 2 surface is provided with anti-skidding line 3, increase and the friction between the palm, be convenient for better use, fixed knot constructs 5 and fixed slot 4 and all sets up inside grab handle main part 2 as in fig. 1, and fixed knot constructs 5 and fixed slot 4 are metal material, and fixed knot constructs 5 surface and fixed slot 4 internal surface and all is provided with the screw thread, and fixed knot constructs 5 and is connected with fixed slot 4 through the screw thread, be convenient for dismantle and adjust the length of grab handle, and every go-between 6 below, be the junction of two sections adjacent grab handle main part 2.

As in fig. 1, fig. 2 and fig. 3, the extending structure 7 is made of metal, and the connecting column 8 is arranged inside the extending structure 7, and the connecting column 8 is controlled to extend and retract through the extending structure 7, so as to control the adjusting position of the front structure of the connecting column 8, and the top end of the connecting column 8 is provided with threads, and the connecting groove 9 is also internally provided with threads, and the connecting column 8 is fixedly connected with the connecting groove 9 through threads, and is fixed more tightly through threaded connection.

As shown in fig. 1, 3 and 4, the two rotating structures 11 are disposed, and the rotating structures 11 are cylindrical thin plates, and the upper rotating structure 11 is disposed on the lower surface of the fixed joint 14, and the lower rotating structure 11 is disposed on the upper surface of the joint base 10, and a rotating disc 13 and a rotating column 12 are disposed between the rotating structures 11, and the upper rotating structure 11 rotates around the rotating column 12 along with the rotating disc 13, so as to facilitate horizontal adjustment of the angle of the screw body 17, as shown in fig. 1, 2, 3 and 4, the fixed column 15 is a cylindrical structure made of metal, and the surface of the fixed column 15 is provided with the screw body 17, and the screw body 17 is fixed by a nut 16, and the screw body 17 can adjust the angular position around the fixed column 15, so as to facilitate vertical adjustment of the function of the screw body 17.

The working principle is as follows: when the piano tuning wrench is used, firstly, referring to fig. 1, 2, 3 and 4, the screw port 18 is a structure for adjusting tightness, in the working process, if the length of the handle body 2 is too long, the connecting ring 6 can be opened, then part of the handle body 2 is held, the screw thread is unscrewed through rotation, so that the fixed groove 4 is disconnected with the fixed structure 5, then part of the handle body 2 is unscrewed, the length of the handle body 2 is convenient to adjust, if the device is too short, the length of the whole device can be adjusted through the extension and retraction of the telescopic structure 7, if the position angle needing to be adjusted is not good in contact, the rotating structure 11 is controlled to horizontally rotate around the rotating column 12 along with the rotating disc 13, the horizontal angle of the screw port body 17 is adjusted, the nut 16 is unscrewed, then the upper and lower angles of the screw port body 17 can be adjusted by rotating the fixed column 15, then the nut 16 is screwed to fix the screw port body 17 again, if the size of the position that needs to adjust is different, can be through unscrewing nut 16, later take fixed column 15 out for fixed column 15 and screw socket main part 17 separation, later change screw socket main part 17, link together fixed column 15 and screw socket main part 17 once more, can normally work, this is exactly the whole process that piano tuning spanner used.

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 tuning spanner, includes base (1), grab handle main part (2), fixed knot constructs (5), fixed slot (4), extending structure (7), revolution mechanic (11) and fixed column (15), its characterized in that: the base (1) is fixed on the right side of the grab handle main body (2), the anti-skid grains (3) are arranged on the surface of the grab handle main body (2), the fixing grooves (4) are arranged inside the grab handle main body (2), the fixing structure (5) is arranged inside the grab handle main body (2), the connecting ring (6) is arranged on the surface of the grab handle main body (2), the telescopic structure (7) is arranged on the left side of the grab handle main body (2), the connecting column (8) is arranged on the left side of the telescopic structure (7), the joint base (10) is fixed on the left side of the connecting column (8), the connecting groove (9) is arranged inside the joint base (10), the rotating structure (11) is arranged above the joint base (10), the rotating column (12) is arranged at the middle position of the joint base (10), the rotating disk (13) is arranged between the rotating structures (11), the fixing joint (14) is arranged above the rotating structure (11), and fixed column (15) set up in the middle part of fixed joint (14), and nut (16) set up on fixed column (15) surface, and screw socket main part (17) set up in fixed column (15) top, and screw socket (18) set up inside screw socket main part (17).

2. The tuning wrench for pianos according to claim 1, wherein: the grab handle main body (2) is of a cylindrical structure made of metal materials, the grab handle main body (2) can be disassembled into three sections, the connecting rings (6) are arranged two, the connecting rings (6) are made of metal materials, and the surface of the grab handle main body (2) is provided with anti-skidding lines (3).

3. The tuning wrench for pianos according to claim 1, wherein: fixed knot constructs (5) and fixed slot (4) and all sets up inside grab handle main part (2), and fixed knot constructs (5) and fixed slot (4) and is the metal material, and fixed knot constructs (5) surface and fixed slot (4) internal surface and all is provided with the screw thread, and fixed knot constructs (5) and is connected with fixed slot (4) through the screw thread, and every go-between (6) below, is the junction of two sections adjacent grab handle main parts (2).

4. The tuning wrench for pianos according to claim 1, wherein: the telescopic structure (7) is made of metal, the connecting column (8) is arranged inside the telescopic structure (7), the connecting column (8) is controlled to stretch out and draw back through the telescopic structure (7), the top end of the connecting column (8) is provided with threads, the connecting groove (9) is internally provided with threads, and the connecting column (8) is fixedly connected with the connecting groove (9) through the threads.

5. The tuning wrench for pianos according to claim 1, wherein: revolution mechanic (11) set up at two, and revolution mechanic (11) are cylindrical sheet metal, and revolution mechanic (11) of top set up at fixed joint (14) lower surface, and revolution mechanic (11) of below set up at joint base (10) upper surface, and are provided with between revolution mechanic (11) rotary disk (13) and column spinner (12), and revolution mechanic (11) of top follow rotary disk (13) and rotate around column spinner (12).

6. The tuning wrench for pianos according to claim 1, wherein: the fixing column (15) is of a cylindrical structure made of metal, a screw body (17) is arranged on the surface of the fixing column (15), the screw body (17) is fixed through a nut (16), and the screw body (17) can be adjusted in angle and position around the fixing column (15).