CN215007469U

CN215007469U - String adjusting mechanism for stringed instrument and stringed instrument

Info

Publication number: CN215007469U
Application number: CN202120635079.0U
Authority: CN
Inventors: 薛彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-12-03
Anticipated expiration: 2031-03-29

Abstract

A string adjusting mechanism for a stringed instrument and the stringed instrument comprise a limiting body and a self-locking telescopic piece arranged in the limiting body, wherein a limiting groove is arranged in the limiting body, the self-locking telescopic piece is arranged in the limiting groove, the movable end of the self-locking telescopic piece stretches in the limiting groove, and the movable end of the self-locking telescopic piece is connected with a string. The tensioning degree of the sound strings is changed by moving the self-locking expansion piece in the limiting groove, so that the pitch of the sound strings is changed, the string adjusting function is realized, the device is simple in structure, meanwhile, the self-locking expansion piece is arranged in the limiting groove, the self-locking expansion piece cannot be easily touched like a knob on an existing guitar, the carrying and the use are convenient, the damage is not easy, the manufacturing cost is low, and the device is worth of being widely popularized and used.

Description

String adjusting mechanism for stringed instrument and stringed instrument

Technical Field

The utility model relates to the field of musical instruments, in particular to a string adjusting mechanism for a stringed instrument and the stringed instrument.

Background

The existing string adjusting device of the stringed instrument changes the pitch of the strings by changing the tensioning degree of the strings, the string adjusting device in the market is generally a knob, the tightness of the strings is adjusted by rotating the knob, the knob for adjusting the strings is exposed outside the instrument, the instrument is easy to touch the string adjusting device to cause inaccuracy of the strings, the string adjusting device is easy to damage the instrument after being stressed, and a 'head' is required to be manufactured for installing the string adjusting device, so that the length of the instrument is increased, the manufacturing cost is increased, and the instrument is easy to damage due to stress. Therefore, headless musical instruments such as a headless electric guitar disclosed in patent No. 201620032058.9 are available, in which a wire winding pulley and an adjusting mechanism are mounted on the guitar body to adjust the strings, and the adjusting mechanism includes a worm wheel and a worm, and the structure of the device for adjusting the strings is complicated, so that the musical instrument is heavier and has a limited service life.

Therefore, a string adjusting mechanism for a string instrument and the string instrument thereof are needed, the string adjusting function can be completed through a simple structure, the cost is lower, the use is simple, the structure is more stable, the string adjusting mechanism is not easy to be touched by mistake, the installation and the use are convenient, and the string instrument adopting the string adjusting device is convenient to carry and stable in intonation.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the utility model provides a string adjusting mechanism for a stringed instrument, which aims to solve the problems.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme: a string adjusting mechanism for a stringed instrument comprises a limiting body and a self-locking expansion piece arranged in the limiting body, wherein a limiting groove is formed in the limiting body, the self-locking expansion piece is arranged in the limiting groove, the movable end of the self-locking expansion piece stretches in the limiting groove, and the movable end of the self-locking expansion piece is connected with a string.

Furthermore, the limiting grooves are multiple, and a corresponding self-locking expansion piece is arranged in each limiting groove.

Further, the spacing groove establish the tip at the spacing body, the auto-lock extensible member include moving part and rotating member, the rotating member rotate and establish on the moving part, the moving part establish at the spacing inslot and along spacing groove extending direction activity setting, rotating member and moving part cooperation setting, carry out rotatory activity when the rotating member, the moving part removes along the spacing groove.

Further, the moving part connect the tuning string, the moving part with rotating member screw thread normal running fit is equipped with on the moving part with rotating member complex screw hole, the rotating member stretch into the screw hole, be equipped with on the rotating member and block the arch, block the arch and establish outside the spacing groove, and the diameter that stretches into the hole is less than and blocks bellied diameter, block and be equipped with the dysmorphism hole that supplies the rotating member to connect the rotation drive usefulness on the arch.

Furthermore, the outer side surface of the limiting body is provided with a groove for blocking the protrusion.

Further, still include the fixed pulley, the fixed pulley establish at the spacing inslot, the fixed pulley is established at the fixed pulley and is established at the spacing groove and be close to fenestrate one side.

Furthermore, the limiting body is a stringed instrument main body.

Furthermore, the limiting groove is formed in the back face of the stringed instrument main body, and the front face of the limiting groove is provided with a through hole for the sound string to extend into the limiting groove.

Furthermore, the limiting body is a three-dimensional lug which is movably fixed on the stringed instrument main body.

A stringed musical instrument comprising the tuning mechanism described above.

Contrast prior art, the beneficial effects of the utility model reside in that:

1. the tensioning degree of the strings is changed by moving the self-locking expansion piece in the limiting groove, the pitch of the strings is changed, and therefore the string adjusting function is achieved.

2. The device has simple structure, small volume and low manufacturing cost by being arranged in the wood main body of the musical instrument; the auto-lock extensible member sets up at the spacing inslot, has solved the easy problem that touches by mistake of current tuning device, and the intonation is stable, the durability is strong.

Drawings

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

FIG. 2 is a schematic view of a structure of a limiting groove according to an embodiment of the present invention;

FIG. 3 is a schematic view of an overall structure of an expansion member according to an embodiment of the present invention;

FIG. 4 is a schematic view of an internal structure of an embodiment of the present invention;

FIG. 5 is a schematic view of the connection structure between the moving member and the strings;

FIG. 6 is a schematic view of the overall structure of the second embodiment of the present invention;

fig. 7 is a schematic structural diagram of a main body of a second stringed musical instrument according to an embodiment of the present invention.

Reference numerals shown in the drawings;

1-limiting body, 11-limiting groove, 111-extending hole, 12-groove, 13-perforation, 2-self-locking telescopic piece, 21-moving piece, 211-threaded hole, 212-clamping groove, 213-clamping hole, 214-internal groove, 215-connecting shaft block, 22-rotating piece, 221-blocking bulge, 222-screw rod, 223-special-shaped hole, 3-string, 4-fixed pulley, 41-guide groove, 5-stringed instrument body, 51-fixing plate 6-solid lug and 61-bolt.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

Example one

According to the figures 1-5, the string adjusting mechanism for the stringed instrument comprises a limiting body 1 and a self-locking expansion part 2 arranged in the limiting body 1, wherein a limiting groove 11 is formed in the limiting body 1, the self-locking expansion part 2 is arranged in the limiting groove 11, the movable end of the self-locking expansion part 2 stretches in the limiting groove 11, and the movable end of the self-locking expansion part 2 is connected with a string 3. The stringed musical instrument in the prior art has multiple varieties, in the embodiment, the stringed musical instrument is a guitar, the upper ends of sound strings 3 are fixed through string locks, the lower ends of the sound strings 3 are connected with self-locking expansion pieces 2, the tensioning degree of the sound strings 3 is changed through moving the self-locking expansion pieces 2 in the limiting grooves 11, and the pitches of the sound strings 3 are changed, so that the string adjusting function is realized.

Preferably, the number of the limiting grooves 11 is multiple, and a corresponding self-locking expansion piece 2 is arranged in each limiting groove 11. Because a stringed instrument generally has a plurality of strings 3, and string tuning requires independent operation of each string 3, although independent operation of each string 3 can be completed even if a plurality of self-locking expansion pieces 2 are placed in one limiting groove 11, further processing of the limiting groove 11 is required to ensure that each expansion piece freely slides in the limiting groove 11, for example, a sliding groove which facilitates independent operation of the expansion piece is arranged in the limiting groove 11, so that construction difficulty of the limiting groove 11 is reduced, independent operation between each string 3 and the corresponding self-locking expansion piece 2 is ensured, the limiting groove 11 is set as a plurality of long grooves, and the limiting grooves 11 are separated by risers between groove bodies, so that independent movement of the self-locking expansion pieces 2 in the limiting groove 11 can be realized without mutual influence.

Further, spacing groove 11 establish the tip at spacing body 1, auto-lock extensible member 2 include moving part 21 and rotating member 22, moving part 21 slide along 11 extending direction in spacing groove and set up, the chord 3 is connected to the front end of moving part 21, the rear end of moving part 21 with rotating member 22 screw thread normal running fit, moving part 21 rear end be equipped with rotating member 22 complex screw hole 211, rotating member 22 front end stretch into in the screw hole 211, the rear end of rotating member 22 is equipped with blocks protruding 221, block protruding 221 and stretch out outside spacing groove 11, be equipped with the hole 111 that stretches into that supplies rotating member 22 to stretch into on the spacing groove 11, and the diameter that stretches into hole 111 is less than the diameter that blocks protruding 221, block protruding 221 rear end face be equipped with the dysmorphism hole 223 that supplies rotating member 22 to connect the rotation drive and use. In this embodiment, the limiting body 1 is a stringed instrument body 5, i.e. a body of a guitar, the limiting groove 11 is formed in a back surface of a lower end of the guitar, the strings 3 pass through a bridge at the lower end of the body and then pass through a front surface of the body through a through hole 13 formed in the guitar, the strings 3 enter the limiting groove 11 and are connected to the movable member 21, the limiting groove 11 is a rectangular groove, in this embodiment, the movable member 21 is a long block formed by machining or casting, the movable member 21 cannot rotate in the limiting groove 11, a slot 212 for connecting the strings 3 is formed in a front end of the movable member 21, the slot 212 communicates with an upper end and a front end of the movable member, a connecting shaft block 215 for matching with the slot 212 is formed at an end of the strings 3, the connecting shaft block 215 is horizontally and detachably mounted on the slot 212, a card hole 213 for passing the connecting shaft block 215 is formed in a lower end surface of the slot 212, the said card hole 213 is bigger than the size of the connecting shaft block 215 to facilitate the connecting shaft block 215 to extend in and take out, the said card slot 212 has an inner slot 214 extending left and right in the middle, the said inner slot 214 is matched with both ends of the connecting shaft block 215, the connecting shaft block 215 is rotatably installed on the inner slot 214, the front of the said card slot 212 has an opening for the movement of the chord, the front of the rotating piece 22 is a screw 222, by shifting a shift lever inserted into the special hole 223, the shift lever can be a hex wrench or a corresponding screwdriver, to realize the rotation of the rotating piece 22, the torsion of the rotating piece 22 is converted into the thrust to make the moving piece 21 move along the spacing slot 11, thereby adjusting the chord, when playing, the shifted chord 3 applies a pulling force to the moving piece 21, and the moving piece 21 is fixed because the rear end of the rotating piece 22 is blocked by the extending hole 111, so as long as not to rotate the rotating piece 22, the moving piece 21 is not movable, the pitch of the strings 3 does not change either.

As a further optimization, in order to avoid collision, the outer side surface of the limiting body 1 is provided with a groove 12 for arranging the blocking bulge 221, and the blocking bulge 221 does not protrude out of the outer side surface of the limiting body 1, so that the blocking bulge is not easy to touch in the process of carrying or using.

As a further optimization, in order to make the sound strings 3 more stable when tensioned, the fixed pulley 4 is further covered, the fixed pulley 4 is arranged in the limiting groove 11, the fixed pulley 4 is arranged on one side of the wire guiding groove close to the through hole 13, the limiting groove 11 is provided with a movable space for the fixed pulley 4 to move, the surface of the fixed pulley 4 is a curved surface 41, when the fixed pulley 4 is tightly abutted against the sound strings 3, the curved surface 41 is designed to reduce friction when the sound strings 3 move, the fixed pulley 4 is further provided with a guide groove 42, each sound string 3 corresponds to one fixed pulley 4, and meanwhile, the sound strings 3 can be prevented from shifting.

In the second embodiment, the first embodiment of the method,

referring to fig. 6 and 7, the difference between the second embodiment and the first embodiment is that the position-limiting body 1 is a solid protrusion 6, and the solid protrusion 6 is movably fixed on the stringed instrument body 5. In this embodiment, the solid protrusion 6 is fixed at one end of the string instrument main body 5 by a bolt 61, a fixing plate 51 for matching and fixing with the bolt 61 is arranged at one end of the string instrument, the mechanism is designed to be detachable, the application range of the mechanism can be enlarged, the mechanism is only limited on one string instrument, and the same limiting body 1 can be arranged on different musical instruments, such as a guitar, a you keli and the like.

The utility model also provides a stringed instrument, which comprises the string adjusting mechanism. The string adjusting mechanism can be arranged on various string instruments, the string instruments comprise but are not limited to guitars, pecklei, Guzheng and lute, one ends of strings are fixed at one ends of the string instruments, corresponding limiting grooves 11 are formed in the other ends of the string instruments according to the number of sound strings 3 required by different string instruments, the other ends of the strings are connected with corresponding self-locking expansion pieces 2 in the limiting grooves 11, and the tensioning degree of the strings is achieved by changing the expansion degree of the self-locking expansion pieces 2.

Claims

1. The string adjusting mechanism for the stringed instrument is characterized by comprising a limiting body (1) and a self-locking expansion piece (2) arranged in the limiting body (1), wherein a limiting groove (11) is formed in the limiting body (1), the self-locking expansion piece (2) is arranged in the limiting groove (11), the movable end of the self-locking expansion piece (2) stretches in the limiting groove (11), and the movable end of the self-locking expansion piece (2) is connected with a string (3).

2. A tuning mechanism for stringed musical instruments according to claim 1, wherein said limiting groove (11) is provided in plurality, and each limiting groove (11) is provided with a corresponding self-locking expansion piece (2).

3. The string tuning mechanism for the stringed instrument according to claim 1 or 2, wherein the limiting groove (11) is provided at an end of the limiting body (1), the self-locking retractable member (2) comprises a movable member (21) and a rotating member (22), the rotating member (22) is rotatably provided on the movable member (21), the movable member (21) is provided in the limiting groove (11) and movably provided along an extension direction of the limiting groove (11), the rotating member (22) is provided in cooperation with the movable member (21), and when the rotating member (22) performs a rotational movement, the movable member (21) moves along the limiting groove (11).

4. The string tuning mechanism for the stringed instrument according to claim 3, wherein the movable member (21) is connected to the string (3), the movable member (21) is in threaded rotation engagement with the rotary member (22), the movable member (21) is provided with a threaded hole (211) engaged with the rotary member (22), the rotary member (22) extends into the threaded hole (211), the rotary member (22) is provided with a blocking protrusion (221), the blocking protrusion (221) is disposed outside the limiting groove (11), the diameter of the extending hole (111) is smaller than that of the blocking protrusion (221), and the blocking protrusion (221) is provided with a special-shaped hole (223) for connecting the rotary member (22) to the rotary drive.

5. A tuning mechanism for stringed musical instruments according to claim 4, characterized in that the outer side of the position-limiting body (1) is provided with a groove (12) for the placement of the stopping protrusion (221).

6. A tuning mechanism for stringed musical instruments according to claim 1 or 2, further comprising a fixed pulley (4), wherein the fixed pulley (4) is disposed in the limiting groove (11), and the fixed pulley (4) is disposed on the side of the limiting groove (11) near the through hole (13).

7. A tuning mechanism for stringed musical instruments according to claim 1 or 2, characterized in that said stop body (1) is a stringed musical instrument body (5).

8. A tuning mechanism for stringed musical instruments according to claim 7, wherein the limiting groove (11) is provided on the back of the stringed musical instrument body (5), and the front of the limiting groove (11) is provided with a through hole (13) for the sound string (3) to extend into the limiting groove (11).

9. The string adjusting mechanism for the stringed instrument according to claim 1 or 2, wherein the position limiting body (1) is a three-dimensional protrusion (6), and the three-dimensional protrusion (6) is movably fixed on the stringed instrument body (5).

10. A stringed musical instrument comprising the tuning mechanism of any of claims 1-9.