CN211350070U

CN211350070U - Open string rolling device

Info

Publication number: CN211350070U
Application number: CN201922374185.3U
Authority: CN
Inventors: 徐茂林
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-08-25
Anticipated expiration: 2029-12-24

Abstract

The utility model relates to the technical field of balladry musical instrument assemblies, and discloses an open type string rolling device, which comprises a mounting plate, a cylinder, a string winding rod, a positioning plate, a gear, a rotating shaft and a bolt, wherein the string winding rod is arranged inside the cylinder, two bearings are arranged on the string winding rod, the outer wall of each bearing is attached to the inner wall of the cylinder, and the positioning plate is arranged on the end surface of the mounting plate, which is far away from the cylinder, through a support column; the utility model discloses a drum is established around the chord member overcoat, be equipped with two bearings around between chord member and drum, keep around the chord member steady rotation, avoid around the stress of chord member tip, pass the locating plate through the bolt and around chord member threaded connection, the adjustable frictional force around chord member and locating plate of rotatory bolt, reduce the probability of circling round around the chord member is reverse, the process flow that increases riser and rotation axis frictional force has also been saved, through the restraint stick that is equipped with on the rotation axis, keep rotation axis rotation in-process stability, easy installation, high stability.

Description

Open string rolling device

Technical Field

The utility model relates to a technical field of balladry musical instrument subassembly specifically is an open string ware of rolling up.

Background

Ballad guitar (the term acoustic string guitar) is a plucked instrument, similar in shape to a violin, usually with six strings. The earliest was an accompaniment instrument for country music in the western united states. Usually appearing as an accompaniment to a song with country music in the western united states as the main performance material. As one of string instruments in the family of instruments, the guitar is a stringed musical instrument that produces sound by plucking one of the strings above. When playing, one hand is used to stir the strings, and the fingers of the other hand are pressed on the fingerboard which is a small metal strip covered on the neck. The sound of playing out can be strengthened through the resonant tank of guitar, the guitar mainly comprises the headstock, neck and headstock, the string is fixed between the winder of bridge and headstock, the thickness of every string is all different, the degree that need tighten is also different, sound that sends after stirring the string is on time, often through winder playback or wind tight string, thereby adjust the accuracy of sound, the string ware on the existing market all extends a book string post from the headstock back, through rotatory string button, make the string twine on rolling string post, but wooden string head is pulled down at tight string, roll string post one end atress, lead to rolling up string post oppression headstock trompil department lower extreme, roll up the gear end of string ware can reverse movement, oppress the screw rod on the string button, and then lead to rolling up the string ware and damage easily, the maintenance process is complicated, it is very inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide an open string rolling device.

The utility model discloses the technical scheme who adopts does:

an open string winder comprises a mounting plate, a cylinder, a string winding rod, a positioning plate, a gear, a rotating shaft and a bolt, wherein the cylinder is provided with an open cavity at one end, a first through hole is formed in the mounting plate, one end, provided with an opening, of the cylinder is arranged on the first through hole, the string winding rod is arranged inside the cylinder, two bearings are arranged on the string winding rod, the outer wall of each bearing is attached to the inner wall of the cylinder, the mounting plate is provided with the positioning plate through a support column on the end surface far away from the cylinder, a second through hole is formed in the positioning plate, one end part of the string winding rod penetrates through the first through hole and is attached to the end surface of the positioning plate, a threaded hole is formed in the end surface far away from the cylinder of the string winding rod, the bolt penetrates through the second through hole and extends into the threaded hole, the bolt is in threaded connection, a plurality of mounting holes are formed in the mounting plate.

The middle of the chord winding rod is provided with a third through hole, the end part of the chord winding rod, far away from the cylinder, is provided with a gear, the end surface of the mounting plate, far away from the cylinder, is provided with two vertical plates, the rotating shaft sequentially penetrates through the two vertical plates, one end of the rotating shaft is provided with a restraining rod, the other end of the rotating shaft is provided with a pinching disc, the side wall of the rotating shaft, between the two vertical plates, is provided with a concave thread, and the gear is in threaded.

As a further aspect of the present invention: the inner diameter of the first through hole is equal to that of the cylinder.

As a further aspect of the present invention: the two bearings are respectively arranged at the upper part and the lower part in the cylinder.

As a further aspect of the present invention: the thickness of the gear is smaller than the height of the supporting column.

As a further aspect of the present invention: the width of the positioning plate is smaller than the diameter of the gear.

As a further aspect of the present invention: the inner diameter of the second through hole is smaller than the outer diameter of the winding rod, and the inner diameter of the second through hole is larger than the inner diameter of the threaded hole.

The utility model has the advantages that:

according to the open type string winder, the cylinder is sleeved outside the winding rod, the two bearings are arranged between the winding rod and the cylinder, the winding rod is kept to rotate stably, the end part of the winding rod is prevented from being stressed, the bolt penetrates through the positioning plate to be in threaded connection with the winding rod, the rotating bolt can adjust the friction force between the winding rod and the positioning plate, the probability of reverse rotation of the winding rod is reduced, the process flow of increasing the friction force between the vertical plate and the rotating shaft is omitted, the restraint rod arranged on the rotating shaft is used for keeping the stability of the rotating shaft in the rotating process, the integral installation is convenient, the stability is high, the cost is low, and the open type string winder is worthy of being widely popularized.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic cross-sectional view of the present invention.

Fig. 4 is a structural schematic of the rotating shaft and the pinching disc of the present invention.

Fig. 5 is a schematic cross-sectional view of a part of the components of the present invention.

In the figure: 1-mounting a plate; 101-mounting holes; 102-a through hole; 2-cylinder; 201-a rectangular hole on the side; 3, positioning a plate; 301-support column; 302-through hole number two; 4-winding the chord; 401-through hole number three; 402-a threaded hole; 5-a bearing; 6-gear; 7-standing the plate; 8-kneading the disc; 801-rotation axis; 802-female threads; 803-a restraining bar; 9-bolt.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments. The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

As shown in fig. 1-5, an open string winder comprises a mounting plate 1, a cylinder 2, a winding rod 4, a positioning plate 3, a gear 6, a rotating shaft 801 and a bolt 9, wherein the cylinder 2 is a cavity with an opening at one end, the mounting plate 1 is provided with a first through hole 102, the cylinder 2 is provided with an opening at one end and is arranged on the first through hole 102, the cylinder 2 is internally provided with the winding rod 4, the winding rod 4 is provided with two bearings 5, the outer walls of the bearings 5 are attached to the inner wall of the cylinder 2, the mounting plate 1 is provided with the positioning plate 3 on the end surface far away from the cylinder 2 through a support column 301, the positioning plate 3 is provided with a second through hole 302, one end of the winding rod 4 passes through the first through hole 102 and is attached to the end surface of the positioning plate 3, the end surface far away from the cylinder 2 of the winding rod 4 is provided with a threaded hole 402, the bolt 9 passes through the second, bolt 9 and around chord 4 threaded connection, be equipped with two side rectangular holes 201 on the drum 2 lateral wall, be equipped with a plurality of mounting holes 101 on the mounting panel 1, the internal diameter of a through-hole 102 equals the internal diameter of drum 2.

The middle of the chord 4 is provided with a third through hole 401, the end of the chord 4 far away from the cylinder 2 is provided with a gear 6, the end face of the mounting plate 1 far away from the cylinder 2 is provided with two vertical plates 7, the rotating shaft 801 sequentially penetrates through the two vertical plates 7, one end of the rotating shaft 801 is provided with a restraining bar 803, the other end of the rotating shaft 801 is provided with a pinching disc 8, the side wall of the rotating shaft 801 between the two vertical plates 7 is provided with a concave thread 802, and the gear 6 is in threaded connection with the rotating shaft 801.

The two bearings 5 are respectively arranged at the upper part and the lower part in the cylinder 2, the two bearings 5 support the winding chord 4 to stably rotate in the cylinder 2, two ends of the third through hole 401 on the winding chord 4 correspond to the side rectangular holes 201 on the side wall of the cylinder 2, the winding chord 4 is positioned between the positioning plate 3 and the bottom surface of the cylinder 2, and the winding chord 4 keeps stable rotation of the gear 6 under the clamping of the two bearings 5.

The thickness of gear 6 is less than the height of support column 301, the locating plate 3 width is less than the diameter of gear 6, No. two through-hole 302 internal diameters are less than around chord 4 external diameter, No. two through-hole 302 internal diameters are greater than the screw hole 402 internal diameter, gear 6 is along with around chord 4 rotatory the time, the convex tooth around gear 6 exposes locating plate 3 and meshes with the concave screw thread 802 of rotation axis 801, through the rotation of spiral, around the screw hole 402 and the bolt 9 threaded connection of chord 4 umbrella, in the rotatory process of bolt 9, increases around the frictional force between chord 4 and locating plate 3.

During the installation use, fix mounting panel 1 at the headstock back through mounting hole 101, drum 2 passes the headstock and stretches out to the headstock top, pass side rectangular hole 201 on drum 2 with the string tip, wear out from another side rectangular hole 201 after passing No. three through-holes 401 again, rotatory holding between the fingers dish 8 and drive rotation axis 801 rotatory, rotation axis 801 is rotatory on two risers 7, the concave screw thread 802 part and the meshing of gear 6 of rotation axis 801, and then twine the string on around chord 4 when driving gear 6 rotatory, continue to rotate as required again and hold between the fingers dish 8, it can to the suitable tight degree of tightening to adjust the string.

The utility model discloses a drum is established around the chord member overcoat, be equipped with two bearings around between chord member and drum, keep around the chord member steady rotation, avoid around the stress of chord member tip, pass the locating plate through the bolt and around chord member threaded connection, the adjustable frictional force around chord member and locating plate of rotatory bolt, reduce the probability of circling round around the chord member is reverse, the process flow that increases riser and rotation axis frictional force has also been saved, restraint stick through being equipped with on the rotation axis, keep rotation axis rotation in-process stability, easy to assemble entirely, high stability, low cost, be worth wideling popularize.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An open string winder, characterized in that: the cylinder is a cavity with an opening at one end, a first through hole is formed in the mounting plate, the end, provided with the opening, of the cylinder is arranged on the first through hole, the winding chord is arranged inside the cylinder, two bearings are arranged on the winding chord, the outer wall of each bearing is attached to the inner wall of the cylinder, a positioning plate is arranged on the end face, far away from the cylinder, of the mounting plate through a support column, a second through hole is formed in the positioning plate, one end of the winding chord penetrates through the first through hole and is attached to the end face of the positioning plate, a threaded hole is formed in the end face, far away from the cylinder, of the winding chord, the bolt penetrates through the second through hole and extends into the threaded hole, the bolt is in threaded connection with the winding chord, and two side rectangular holes are formed in the side wall of the cylinder;

the improved structure of the wind-driven generator is characterized in that a third through hole is formed in the middle of the chord, a gear is arranged at the end part, away from the cylinder, of the chord, two vertical plates are arranged on the end face, away from the cylinder, of the mounting plate, the rotating shaft penetrates through the two vertical plates in sequence, a restraining rod is arranged at one end of the rotating shaft, a pinching disc is arranged at the other end of the rotating shaft, concave threads are formed in the side wall, between the two vertical plates, of the rotating shaft, the gear is in threaded connection with.

2. An open string winder as claimed in claim 1, wherein: the inner diameter of the first through hole is equal to that of the cylinder.

3. An open string winder as claimed in claim 1, wherein: the two bearings are respectively arranged at the upper part and the lower part in the cylinder.

4. An open string winder as claimed in claim 1, wherein: the thickness of the gear is smaller than the height of the supporting column.

5. An open string winder as claimed in claim 1, wherein: the width of the positioning plate is smaller than the diameter of the gear.

6. An open string winder as claimed in claim 5, wherein: the inner diameter of the second through hole is smaller than the outer diameter of the winding rod, and the inner diameter of the second through hole is larger than the inner diameter of the threaded hole.