CN214175664U

CN214175664U - Guitar string

Info

Publication number: CN214175664U
Application number: CN202022595909.XU
Authority: CN
Inventors: 郑晓明
Original assignee: Guangzhou Romance Musical Instruments Co ltd
Current assignee: Guangzhou Romance Musical Instruments Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-09-10
Anticipated expiration: 2030-11-11

Abstract

A guitar string is characterized in that a PVD vacuum coating layer is arranged on the surface of the guitar string. The PVD coating technology is a conventional technology, and the manufacture of strings is simpler by adopting a low-voltage and high-current arc discharge technology under a vacuum condition, evaporating a target material by utilizing gas discharge and ionizing evaporated substances and gas, and depositing the evaporated substances and reaction products thereof on a workpiece by utilizing the acceleration action of an electric field; the PVD vacuum coating layer has the characteristics of high hardness, high wear resistance, good corrosion resistance, good chemical stability and the like, the service life of the film layer is longer, and meanwhile, the appearance decorative performance of the workpiece can be greatly improved; the thickness of the PVD vacuum coating layer is nano-scale, generally 0.3-1 μm, and the smaller the thickness of the coating layer is, the smaller the sound quality attenuation of the string is; the PVD vacuum coating layer can enable the surface of the string to be smoother, playing is smoother, horizontal playing of players is facilitated, and fingers of the players are not prone to fatigue.

Description

Guitar string

Technical Field

The utility model relates to a musical instrument accessory, especially a guitar string.

Background

The surface of the string needs to be processed before the string leaves a factory, and if the surface of the string is coated with a film, the corrosion resistance and the rust resistance of the string are improved, and the service life of the string is further prolonged. The existing string surface film coating process has various forms, for example, a whole film coating string based on a nano coating, disclosed as CN110283483A, comprises a string body, and a tin coating and a nano coating which are arranged on the surface of the string body, wherein the string body is high-carbon steel with a circular section, the carbon content of the high-carbon steel is 0.8% -0.99%, the tin coating is coated on the outer surface of the string body, the tin coating is formed by heating and mixing stannous methanesulfonate, methanesulfonic acid and molybdenum dioxide in a volume ratio of 110:0.5:3, the nano coating is uniformly coated on the surface side of the tin coating, and the nano coating is a fluoropolymer coating with a C4 structure. Also for example, chinese patent publication No. CN110517651A is a string and a method for manufacturing the same, comprising a string core and a string winding wound on the string core, wherein the string winding comprises a copper wire, a silver plating layer covering the surface of the copper wire, and a protective layer covering the silver plating layer, and the protective layer is formed by mixing paint and metal powder. The string film coating process is complex, the film coating thickness is large, and the attenuation of the tone quality of the string is large.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a guitar string, the sound quality attenuation of the string is reduced; the coating has good anticorrosion and antirust functions on the strings; the coating process is simple; the surface of the string is smooth, and playing is smoother.

In order to solve the technical problem, the technical scheme of the utility model is that: a guitar string is characterized in that a PVD vacuum coating layer is arranged on the surface of the guitar string. The PVD coating technology is a conventional technology, and the manufacture of strings is simpler by adopting a low-voltage and high-current arc discharge technology under a vacuum condition, evaporating a target material by utilizing gas discharge and ionizing evaporated substances and gas, and depositing the evaporated substances and reaction products thereof on a workpiece by utilizing the acceleration action of an electric field; the PVD vacuum coating layer has the characteristics of high hardness, high wear resistance, good corrosion resistance, good chemical stability and the like, the service life of the film layer is longer, and meanwhile, the appearance decorative performance of the workpiece can be greatly improved; the thickness of the PVD vacuum coating layer is nano-scale, generally 0.3-1 μm, and the smaller the thickness of the coating layer is, the smaller the sound quality attenuation of the string is; the PVD vacuum coating layer can enable the surface of the string to be smoother, playing is smoother, horizontal playing of players is facilitated, and fingers of the players are not prone to fatigue.

As an improvement, the thickness of the PVD vacuum coating layer is 0.3-1 μm.

As an improvement, the guitar string comprises a core wire and a copper wire wound on the surface of the core wire, wherein at least the exposed surface of the copper wire is covered with a PVD vacuum coating layer.

As an improvement, the core wire is a steel core wire or a nylon wire.

As an improvement, the guitar line is a nylon line or a steel wire, a nickel layer is arranged on the surface of the steel wire, and a PVD vacuum coating layer is arranged on the surface of the nickel layer.

As an improvement, the PVD vacuum coating layer is a color PVD vacuum coating layer.

Compared with the prior art, the utility model the beneficial effect who brings is:

1. the PVD coating technology is a conventional technology, and the manufacture of strings is simpler by adopting a low-voltage and high-current arc discharge technology under a vacuum condition, evaporating a target material by utilizing gas discharge and ionizing evaporated substances and gas, and depositing the evaporated substances and reaction products thereof on a workpiece by utilizing the acceleration action of an electric field;

2. the PVD vacuum coating layer has the characteristics of high hardness, high wear resistance, good corrosion resistance, good chemical stability and the like, the service life of the film layer is longer, and meanwhile, the appearance decorative performance of the workpiece can be greatly improved;

3. the thickness of the PVD vacuum coating layer is nano-scale, generally 0.3-1 μm, and the smaller the thickness of the coating layer is, the smaller the sound quality attenuation of the string is;

4. the PVD vacuum coating layer can enable the surface of the string to be smoother, playing is smoother, horizontal playing of players is facilitated, and fingers of the players are not prone to fatigue.

5. The PVD vacuum coating layer is convenient for form strings of different colors, is beneficial to distinguishing string types, and is helpful for beginners to identify.

Drawings

FIG. 1 is a schematic drawing of a steel core surface-wound copper wire pattern.

FIG. 2 is a cross-sectional view of a steel core surface wound with copper wire.

Fig. 3 is a cross-sectional view of a nylon wire surface-wound copper wire.

Fig. 4 is a linear cross-sectional view of a single nylon thread.

FIG. 5 is a cross-sectional view of a steel core wire coated with a nickel layer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

A guitar string is disclosed, as shown in figures 2 to 5, a PVD vacuum coating layer 3 is arranged on the surface of the guitar string, the thickness of the PVD vacuum coating layer is 0.3-1 μm, and the PVD vacuum coating layer 3 is formed through a PVD coating technology, such as a vacuum evaporation coating technology, a vacuum sputtering coating technology and a vacuum ion coating technology.

The PVD vacuum coating 3 is suitable for all types of guitar strings, such as: as shown in fig. 1 and 2, the steel core 1 is wound with a copper wire 2 on the surface; as shown in fig. 3, the nylon wire 4 is wound with a linear shape of the copper wire 2 on the surface; as shown in fig. 4, the single nylon thread 5 is a linear type; as shown in fig. 5, the steel wire 6 coated with nickel layer 7 is of a wire type. For winding the copper wire 2, at least the exposed surface of the copper wire 2 is covered with a PVD vacuum coating layer, so that the smoothness of the surface of the string is ensured; for the PVD coating technology, all surfaces of the wound copper wire and core wire should be covered with coating layers, so that all-around protection is realized. The PVD vacuum coating layer is convenient for forming strings with different colors, such as gold, silver, copper and the like, is beneficial to distinguishing the string types, and is beneficial to the identification of beginners.

The PVD coating technology is a conventional technology, and the manufacture of strings is simpler by adopting a low-voltage and high-current arc discharge technology under a vacuum condition, evaporating a target material by utilizing gas discharge and ionizing evaporated substances and gas, and depositing the evaporated substances and reaction products thereof on a workpiece by utilizing the acceleration action of an electric field; the PVD vacuum coating layer has the characteristics of high hardness, high wear resistance, good corrosion resistance, good chemical stability and the like, the service life of the film layer is longer, and meanwhile, the appearance decorative performance of the workpiece can be greatly improved; the thickness of the PVD vacuum coating layer is nano-scale, generally 0.3-1 μm, and the smaller the thickness of the coating layer is, the smaller the sound quality attenuation of the string is; the PVD vacuum coating layer can enable the surface of the string to be smoother, playing is smoother, horizontal playing of players is facilitated, and fingers of the players are not prone to fatigue.

Claims

1. A guitar string, characterized in that: the surface of the guitar string is provided with a PVD vacuum coating layer, the thickness of the PVD vacuum coating layer is 0.3-1 mu m, the guitar string comprises a core wire and a copper wire wound on the surface of the core wire, and at least the exposed surface of the copper wire is covered with the PVD vacuum coating layer.

2. A guitar string as claimed in claim 1, further comprising: the core wire is a steel core wire or a nylon wire.

3. A guitar string as claimed in claim 1, further comprising: the PVD vacuum coating layer is a color PVD vacuum coating layer.

4. A guitar string, characterized in that: the surface of the guitar string is provided with a PVD vacuum coating layer, the thickness of the PVD vacuum coating layer is 0.3-1 mu m, the guitar string is a steel wire, the surface of the steel wire is provided with a nickel layer, and the surface of the nickel layer is provided with the PVD vacuum coating layer.

5. A guitar string as claimed in claim 4, wherein: the PVD vacuum coating layer is a color PVD vacuum coating layer.