CN220456083U

CN220456083U - String regulator

Info

Publication number: CN220456083U
Application number: CN202321922980.1U
Authority: CN
Inventors: 赵双吉
Original assignee: Qingdao Jiyan Musical Instrument Packaging Co ltd
Current assignee: Qingdao Jiyan Musical Instrument Packaging Co ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2024-02-06
Anticipated expiration: 2033-07-20

Abstract

The utility model provides a string regulator, and relates to the technical field of musical instruments. The string regulator comprises a body head, wherein the front surface of the body head rotates to penetrate through a longitudinal shaft, the inside of the body head is of a cavity structure, one end of the longitudinal shaft, which is positioned inside the body head, is fixedly sleeved with a worm wheel, the left side of the worm wheel is meshed with a worm, the upper end of the worm is fixedly penetrated with a rotating shaft, the lower end of the rotating shaft is rotationally inserted into the inner bottom wall of the body head, one end of the rotating shaft, which is positioned above the worm, is fixedly sleeved with four driven gears, the left side of each driven gear is meshed with a driving gear, and the upper surface of each driving gear is rotationally sleeved with a fixing plate. According to the string regulator, the edge head, the vertical shaft, the driving gear and the driven gear are arranged, so that the rotation angle of the worm wheel can be reduced when the vertical shaft rotates by the same angle, the string is slowly wound by the winding shaft, the string can be finely regulated, and the problem that the string is inconvenient to finely regulate when the string tension is the tightest is solved.

Description

String regulator

Technical Field

The utility model relates to the technical field of musical instruments, in particular to a string regulator.

Background

The viola is a lower-middle-pitch musical instrument in violin family musical instruments, has a full and thick tone, has a range of about four octaves, and is classified into popular, student, playing and master. The violin has a length of about 120 cm, and the main body comprises a body, strings and a bow, wherein the strings comprise four strings.

In the use of strings, the tension degree needs to be regulated according to requirements and habits, a regulator is generally arranged at the head of the body, and the tension degree of the strings is completed by winding the strings, but when the tension degree of the strings is the tightest, the strings are inconvenient to finely regulate, so that the string regulator is provided, the winding speed can be higher when the strings are loose, and the rotating speed is slower when the strings are tight.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a string regulator, which solves the problem that the string is inconvenient to finely regulate when the string tension is the tightest.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a string regulator, including the body head, the front of body head rotates and runs through there is the vertical axis, the inside of body head is cavity column structure, the vertical axis is located the fixed worm wheel that has cup jointed of the inside one end of body head, the left side meshing of worm wheel has the worm, the fixed pivot that runs through in upper end of worm, the lower extreme of pivot rotates and pegs graft the interior diapire at body head, four driven gears have been cup jointed to the one end that the pivot is located the worm top, the driving gear has all been meshed in the left side of every driven gear, the fixed plate has all been cup jointed in the upper surface of every driving gear, the left end of every fixed plate all with the left side inner wall fixed connection of body head, the upper surface slip of body head has run through the vertical axis, the lower extreme of vertical axis is located the inner ring side of driving gear, the vertical axis is located the fixed edge head that has cup jointed of the inside one end of body head, the edge head is located the inner ring side of driving gear, the front end fixedly connected with winding shaft of vertical axis, the circumference side of winding shaft has seted up the perforation, the one end fixedly connected with knob above the body head.

Preferably, the inner bottom wall of the body head is fixedly connected with a fixed shaft, and the upper end of the fixed shaft penetrates through the lower end of the vertical shaft in a sliding manner.

Preferably, a plurality of stabilizing grooves are formed in one end, above the driving gear, of the vertical shaft, an anti-slip sleeve is sleeved on the outer surface of the vertical shaft in a sliding mode, and the upper end of the anti-slip sleeve is inserted into the inner top wall of the body head in a rotating mode.

Preferably, the shape of the prism head is a hexagonal prism-shaped structure, and the inner ring side of each driving gear is matched with the shape and the size of the prism head.

Preferably, the four driving gears are uniformly distributed at equal intervals, the outer diameters of the four driving gears are gradually increased from top to bottom, and the outer diameters of the four driven gears are gradually reduced from top to bottom.

Preferably, the fixed shaft is coaxially arranged with the vertical shaft, the fixed shaft is perpendicular to the vertical shaft, and the fixed shaft is parallel to the worm.

(III) beneficial effects

The utility model provides a string regulator. The beneficial effects are as follows:

1. this string regulator, through setting up the arris head, the vertical axis, driving gear and driven gear, when the string is more loose, promote the vertical axis and drive the arris head and insert inside the great driving gear of external diameter, can rotate with the less driven gear of diameter when driving gear rotates, make driven gear faster rotate, then the worm wheel drives winding axle through with the worm meshing and twines tautly to the string is fast, when the string is tighter, upwards pulling vertical axis drive arris head and the less driving gear meshing of diameter, can make worm wheel rotation angle diminish when the vertical axis rotates the same angle, make winding axle twine slowly to the string, can be to string fine adjustment, inconvenient problem to string fine adjustment when string tension is tightest has been solved.

2. This string regulator through setting up stable groove and antiskid cover, when the vertical axis rotated, the antiskid cover is through contacting with stable groove, prevents that the vertical axis from sliding from top to bottom when rotating, causes the vertical axis to drive pivoted driving gear and changes.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the connection of the winding shaft to the longitudinal shaft in accordance with the present utility model;

FIG. 3 is a schematic view of the connection of the antiskid sleeve and the body head of the present utility model;

fig. 4 is a schematic elevational view of the present utility model.

The novel three-in-one type music instrument comprises a music instrument body head 1, a longitudinal shaft 2, a worm wheel 3, a vertical shaft 4, a worm 5, a driven gear 6, a driving gear 7, a prismatic head 8, a winding shaft 9, a knob 10, a perforation 11, a fixed shaft 12, a stabilizing groove 13, an anti-skid sleeve 14, a fixed plate 15 and a rotating shaft 16.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model provides a string regulator, as shown in figures 1-4, which comprises a body head 1, wherein a longitudinal shaft 2 is penetrated through the front surface of the body head 1 in a rotating way, the inside of the body head 1 is of a cavity structure, one end of the longitudinal shaft 2 positioned in the body head 1 is fixedly sleeved with a worm wheel 3, the left side of the worm wheel 3 is meshed with a worm 5, the worm 5 and the worm wheel 3 rotate to drive the longitudinal shaft 2 to stably rotate, meanwhile, the strings are prevented from being tensioned and then drive the longitudinal shaft 2 to reversely rotate so as to loosen, the upper end of the worm 5 is fixedly penetrated with a rotating shaft 16, the lower end of the rotating shaft 16 is rotationally inserted into the inner bottom wall of the body head 1, one end of the rotating shaft 16 positioned above the worm 5 is fixedly sleeved with four driven gears 6, the left side of each driven gear 6 is meshed with a driving gear 7, the upper surface of each driving gear 7 is rotationally sleeved with a fixing plate 15, the left end of each fixing plate 15 is fixedly connected with the left inner wall of the body head 1, the upper surface of the body head 1 is penetrated with a vertical shaft 4 in a sliding way, the lower end of the vertical shaft 4 is positioned at the inner ring side of the driving gear 7, the inner bottom wall of the body head 1 is fixedly connected with a fixing shaft 12, the upper end of the fixing shaft 12 is penetrated with the lower end of the vertical shaft 4 in a sliding way, the fixing shaft 12 prevents the vertical shaft 4 from shifting from the driving gear 7 when moving up and down, the fixing shaft 12 is coaxially arranged with the vertical shaft 4, the fixing shaft 12 is perpendicular to the longitudinal shaft 2, the fixing shaft 12 is parallel to the worm 5, one end of the vertical shaft 4 positioned in the body head 1 is fixedly sleeved with a prism head 8, the prism head 8 is positioned at the inner ring side of the driving gear 7, the prism head 8 is in a hexagonal prism-shaped structure, the inner ring side of each driving gear 7 is matched with the shape and the size of the prism head 8, when the prism head 8 is positioned in the driving gear 7, the corresponding driving gear 7 can be driven to rotate, the four driving gears 7 are evenly distributed equidistantly, the outer diameters of the four driving gears 7 are gradually increased from top to bottom, the outer diameters of the four driven gears 6 are gradually reduced from top to bottom, when the vertical shaft 4 drives the rib head 8 to move upwards, the driving gears 7 with smaller diameters can be gradually driven to rotate and are meshed with the driven gears 6 with gradually increased diameters, the rib head 8 moves upwards more, the vertical shaft 4 rotates at the same speed to drive the rotation speed of the vertical shaft 2 to gradually slow down, the front end face of the vertical shaft 2 is fixedly connected with the winding shaft 9, perforations 11 are formed in the circumferential side face of the winding shaft 9, strings penetrate through the perforations 11 and then are fixed on the winding shaft 9, one end of the vertical shaft 4, which is located above the body head 1, is fixedly connected with a knob 10, one end of the vertical shaft 4, which is located above the driving gears 7, is provided with a plurality of stabilizing grooves 13, the outer surface of the vertical shaft 4 is in a sliding sleeve connection with an anti-sliding sleeve 14, the upper end of the anti-sliding sleeve 14 is rotatably connected to the inner top wall of the body head 1, the anti-sliding sleeve 14 is contacted with the stabilizing grooves 13 on the vertical shaft 4, friction force between the anti-sliding sleeve and the vertical shaft 4 is increased through contact with the stabilizing grooves 13 on the vertical shaft 4, and the anti-sliding sleeve can effectively prevent the vertical shaft 4 from rotating synchronously rotating when the vertical shaft 4 rotates.

According to the working principle, the upper end of a string passes through the through hole 11 and is fixed on the winding shaft 9, when the string is loose, the vertical shaft 4 is pushed to drive the edge head 8 to be inserted into the driving gear 7 with larger outer diameter, the driven gear 6 with smaller diameter can rotate when the driving gear 7 rotates, the driven gear 6 rotates faster, then the worm wheel 3 drives the winding shaft 9 to rotate to rapidly wind and tighten the string through meshing with the worm 5, when the string is tight, the vertical shaft 4 is pulled upwards to drive the edge head 8 to mesh with the driving gear 7 with smaller diameter, the rotation angle of the worm wheel 3 can be reduced when the vertical shaft 4 rotates by the same angle, the winding shaft 9 winds the string slowly, fine adjustment can be performed on the string, and when the vertical shaft 4 rotates upwards, the vertical shaft 4 rotates at the same speed to drive the winding shaft 9 to rotate at the slower speed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A string conditioner comprising a body head (1), characterized in that: the utility model discloses a novel multifunctional electric power generation device, which is characterized in that a longitudinal axis (2) is penetrated through the front rotation of a body head (1), the inside of the body head (1) is of a cavity-shaped structure, one end of the longitudinal axis (2) positioned in the body head (1) is fixedly sleeved with a worm wheel (3), the left side of the worm wheel (3) is meshed with a worm (5), the upper end of the worm (5) is fixedly penetrated with a rotating shaft (16), the lower end of the rotating shaft (16) is rotationally inserted into the inner bottom wall of the body head (1), one end of the rotating shaft (16) positioned above the worm (5) is fixedly sleeved with four driven gears (6), the left side of each driven gear (6) is meshed with a driving gear (7), the upper surface of each driving gear (7) is rotationally sleeved with a fixing plate (15), the left end of each fixing plate (15) is fixedly connected with the left side inner wall of the body head (1), the upper surface of the body head (1) is slidingly penetrated with a shaft (4), the lower end of the shaft (4) is positioned on the inner ring side of the driving gear (7), one end of the shaft (4) is positioned in the body head (1) and is fixedly sleeved with a peripheral edge (9) of the driving gear (8), one end of the vertical shaft (4) above the body head (1) is fixedly connected with a knob (10).

2. A string conditioner according to claim 1, wherein: the inner bottom wall of the body head (1) is fixedly connected with a fixed shaft (12), and the upper end of the fixed shaft (12) penetrates through the lower end of the vertical shaft (4) in a sliding mode.

3. A string conditioner according to claim 1, wherein: a plurality of stabilizing grooves (13) are formed in one end, located above the driving gear (7), of the vertical shaft (4), an anti-slip sleeve (14) is sleeved on the outer surface of the vertical shaft (4) in a sliding mode, and the upper end of the anti-slip sleeve (14) is rotationally inserted into the inner top wall of the body head (1).

4. A string conditioner according to claim 1, wherein: the shape of the edge head (8) is a hexagonal prism-shaped structure, and the inner ring side of each driving gear (7) is matched with the shape and the size of the edge head (8).

5. A string conditioner according to claim 1, wherein: the four driving gears (7) are uniformly distributed at equal intervals, the outer diameters of the four driving gears (7) are gradually increased from top to bottom, and the outer diameters of the four driven gears (6) are gradually reduced from top to bottom.

6. A string conditioner according to claim 2, wherein: the fixed shaft (12) is coaxially arranged with the vertical shaft (4), the fixed shaft (12) is perpendicular to the longitudinal shaft (2), and the fixed shaft (12) is parallel to the worm (5).