CN115588419A - String adjuster - Google Patents
String adjuster Download PDFInfo
- Publication number
- CN115588419A CN115588419A CN202211246354.5A CN202211246354A CN115588419A CN 115588419 A CN115588419 A CN 115588419A CN 202211246354 A CN202211246354 A CN 202211246354A CN 115588419 A CN115588419 A CN 115588419A
- Authority
- CN
- China
- Prior art keywords
- string
- retaining ring
- adjusting knob
- winding wheel
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000004804 winding Methods 0.000 claims abstract description 46
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D3/00—Details of, or accessories for, stringed musical instruments, e.g. slide-bars
- G10D3/14—Tuning devices, e.g. pegs, pins, friction discs or worm gears
- G10D3/147—Devices for altering the string tension during playing
Abstract
The invention discloses a string adjuster which comprises a string winding assembly and a self-locking assembly, wherein the string winding assembly comprises a box body, a rotating shaft, an adjusting knob and a string winding wheel, and the self-locking assembly comprises a one-way bearing, a spiral spring, a first action rod and a second action rod. The self-locking assembly can automatically lock the string without repeated operation, is reliable in string locking and does not influence the adjustment of the string. The string rolling component is convenient to operate and labor-saving in adjusting strings, and can be adjusted quickly and accurately. The invention has simple structure and strong practicability.
Description
Technical Field
The invention belongs to the technical field of musical instruments, and particularly relates to a string adjuster.
Technical Field
Stringed musical instruments, instruments that have taut, vibrating strings as the source of sound. It is considered that humans have some stringed instruments before 3000 years before about a.c., and that the beginning of the human civilization in mexorda and its surrounding areas, ancient egypt, india and china, etc., are important origins of stringed instruments. Stringed musical instruments are generally composed of strings, resonators, string adjusters, and other accessories. The string is made of steel wire, sheep intestine, nylon and the like. The support of string often is that one end is fixed, and the other end twines on the string adjuster, and the tension of drive string adjuster adjustable string, the string elasticity.
The existing string adjuster comprises a string winding wheel for winding strings, a handle and a locking mechanism, when the strings are adjusted, the locking mechanism is firstly loosened, then the handle is driven, then the locking mechanism is locked, external force excites the strings to vibrate, the string vibration sound production effect is heard, the locking mechanism, the driving handle, the locking mechanism and the listening test are loosened again according to the hearing effect, and therefore the string adjuster can be determined repeatedly, operation is troublesome, and adjustment accuracy is not high enough. The handle and the locking mechanism are designed into a whole by the other string regulator, and the string regulator is automatically locked by larger friction force, so that the string regulator is poor in reliability, can rotate the string winding wheel by larger force when the handle is driven, and can drive the string winding wheel by using a special spanner sometimes, inconvenience is brought to string regulation, and string regulation accuracy is influenced.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a string adjuster.
The technical scheme adopted by the invention is as follows: the utility model provides a string adjuster, includes string rolling subassembly and auto-lock subassembly, characterized by:
the string winding assembly comprises a box body, a rotating shaft, an adjusting knob and a string winding wheel, wherein a cavity is arranged in the box body, a convex column is arranged on the right side wall of the cavity, a right shaft hole is formed in the center of the convex column, a left shaft hole is formed in the left side wall of the cavity and is a through hole, a string penetrating hole is formed in the lower end of the cavity, a fixing hole is formed in the outer wall of the box body, a string adjuster is fixed on the instrument body through the fixing hole, the rotating shaft is rotatably arranged between the right shaft hole and the left shaft hole, the rotating shaft penetrates through the left shaft hole to be exposed out of the box body, the adjusting knob is arranged outside the box body and is in transmission connection with the rotating shaft, the rotating adjusting knob can drive the rotating shaft to rotate, the string winding wheel is sleeved on the rotating shaft in a penetrating mode, strings are wound on the string winding wheel, the strings are tightened when the string winding wheel rotates forwards, the strings loosen when the winding wheel rotates reversely, and have a pulling force which enables the winding wheel to rotate reversely;
the self-locking assembly is arranged in the box body and used for automatically locking the string winding wheel, the string winding wheel is prevented from reversely rotating due to the tension of strings, the strings are prevented from loosening, meanwhile, the free adjustment of the tightness of the strings by the adjusting knob is not influenced, the self-locking assembly comprises a one-way bearing, a spiral spring, a first action rod and a second action rod, an inner ring of the one-way bearing is fixed on the protruding column, an outer ring of the one-way bearing can only forwardly rotate but cannot reversely rotate, the spiral spring is sleeved on the outer ring of the one-way bearing in a penetrating mode, the spiral spring is in close contact with the one-way bearing, two ends of the spiral spring are respectively provided with a first retaining ring and a second retaining ring, the first retaining ring and the second retaining ring are not on the same axis, when the first retaining ring is subjected to reverse rotating force, the inner diameter of the spiral spring is increased, the spiral spring cannot rotate on the one-way bearing, one end of the first retaining ring is fixed on the one end of the first retaining rod, the other end of the first retaining ring is fixed on the second retaining ring, and the other end of the second retaining ring is acted on the second retaining ring, and the second retaining ring is acted on the second retaining rod, and the second retaining ring is acted on the second retaining ring, and the second retaining ring.
Firstly, the string has a pulling force to the string winding wheel in a tensioning state, the pulling force enables the string winding wheel to have a reverse rotation trend, the reverse rotation trend of the string winding wheel can apply reverse rotation force to the second stop ring through the second action rod, the inner diameter of the spiral spring is reduced, the friction force between the spiral spring and the one-way bearing is increased, the spiral spring cannot rotate on the one-way bearing, the string winding wheel cannot rotate reversely, and the string cannot loosen.
When the adjusting knob is driven by a hand to rotate forwards, the direction of the adjusting knob is the same as the direction of rotation of the one-way bearing, under the combined action of the action rod and the spiral spring, the string winding wheel winds strings along with the forward rotation of the one-way bearing, and the strings become tight. When the adjusting knob is driven by a hand to rotate reversely, the direction of the adjusting knob is opposite to the direction of rotation of the one-way bearing, the one-way bearing cannot rotate, the first action rod applies reverse rotating force to the first retaining ring, the inner diameter of the spiral spring is increased, the friction force between the spiral spring and the one-way bearing is reduced, the spiral spring can rotate on the one-way bearing, the string winding wheel rotates reversely along with the spiral spring, strings wound on the string winding wheel extend out, and the strings become loose.
Further, in order to be able to adjust the elasticity of string fast and accurately, adjust knob includes coarse adjustment knob and fine adjustment knob, coarse adjustment knob lug connection is in the pivot, with the elasticity that the string can be adjusted fast to the coarse adjustment knob of hand drive, fine adjustment knob is the planetary gear structure, including sun gear, planet carrier, planet wheel, ring gear, wherein the sun gear fix the box body outside and with the pivot with the axle center, the planet carrier is fixed in the pivot, the planet wheel rotate set up on the planet carrier and with the sun gear meshing, the ring gear setting just with the planet wheel meshing in the planet wheel periphery, with the elasticity that the string can be adjusted accurately of hand drive ring gear.
Further, in order to enable the string winding wheel to wind strings in order, the winding space of the string winding wheel is V-shaped.
Furthermore, the adjusting knob is provided with anti-skid lines.
Furthermore, the outer peripheral surface of the one-way bearing is a frosted surface.
Furthermore, wear-resistant rings are arranged on the string penetrating holes.
Further, the coil spring has six to ten turns.
Further, the first retaining ring and the second retaining ring are arc-shaped.
The invention has the beneficial effects that: (1) the self-locking assembly can automatically lock the string without repeated operation, is reliable in string locking and does not influence the adjustment of the string. (2) The string can be adjusted conveniently and accurately, and the string can be adjusted quickly and accurately. (3) Simple structure and strong practicability.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic exploded view of the present invention.
Fig. 3 is a schematic view of the sectional structure of the self-locking assembly of the present invention.
FIG. 4 is a schematic view of the tangent plane structure of the roller of the present invention.
FIG. 5 is a schematic view of the sectional structure of the adjusting knob according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example one
As shown in fig. 1, 2, 3 and 4.
The utility model provides a string adjuster, includes string rolling subassembly and auto-lock subassembly, characterized by:
the string winding assembly comprises a box body, a rotating shaft, an adjusting knob and a string winding wheel, wherein a cavity is arranged in the box body, a convex column is arranged on the right side wall of the cavity, a right shaft hole is formed in the center of the convex column, a left shaft hole is formed in the left side wall of the cavity and is a through hole, a string penetrating hole is formed in the lower end of the cavity, a wear-resistant ring is arranged on the string penetrating hole, a fixing hole is formed in the outer wall of the box body, a string adjuster is fixed on the instrument body through the fixing hole, the rotating shaft is rotatably arranged between the right shaft hole and the left shaft hole, the rotating shaft penetrates through the left shaft hole to be exposed out of the box body, the adjusting knob is arranged outside the box body and is in transmission connection with the rotating shaft, anti-slip grains are arranged on the adjusting knob, the rotating adjusting knob can drive the rotating shaft to rotate, the string winding wheel is sleeved on the rotating shaft, strings are wound on the string winding wheel, when the string winding wheel rotates forwards, strings tightly, when the string winding wheel rotates reversely, a tension force tends to rotate reversely;
the self-locking assembly is arranged in the box body and used for automatically locking the string winding wheel to prevent the string winding wheel from reversely rotating due to the tension of strings, so that the strings are prevented from loosening, the free adjustment of the tightness of the strings by the adjusting knob is not influenced, the self-locking assembly comprises a one-way bearing, a spiral spring, a first action rod and a second action rod, the inner ring of the one-way bearing is fixed on the convex column, the outer ring of the one-way bearing can only positively rotate but can not reversely rotate, the outer peripheral surface of the one-way bearing is a frosted surface, the spiral spring is sleeved on the outer ring of the one-way bearing in a penetrating way and is tightly contacted with the one-way bearing, the two ends of the spiral spring are respectively provided with a first retaining ring and a second retaining ring, the first retaining ring and the second retaining ring are arc-shaped, and are not on the same axis, when the first retaining ring is rotated reversely, the inner diameter of the spiral spring is increased, the friction force between the spiral spring and the one-way bearing is reduced, the spiral spring can rotate on the one-way bearing, when the second retaining ring is rotated reversely, the inner diameter of the spiral spring is reduced, the friction force between the spiral spring and the one-way bearing is increased, the spiral spring cannot rotate on the one-way bearing, on the fixed rotating shaft at one end of the first action rod, the other end of the first action rod is folded towards the spiral spring and penetrates into the first retaining ring, the first action rod has a certain moving space in the first retaining ring, one end of the second action rod is fixed on the side wall of the string winding wheel, the other end of the second action rod penetrates into the second retaining ring, and the second action rod has a certain moving space in the second retaining ring.
Example two
The second embodiment is the same as the first embodiment except for the adjusting knob.
As shown in fig. 5.
In order to be able to the elasticity of quick and accurate adjustment string, adjust knob includes coarse adjustment knob and fine adjustment knob, coarse adjustment knob lug connection is in the pivot, with the elasticity that hand drive coarse adjustment knob can quick adjustment string, fine adjustment knob is the planetary gear structure, including sun gear, planet carrier, planet wheel, ring gear, wherein the sun gear is fixed in the box body outside and with the pivot with the axle center, the planet carrier is fixed in the pivot, the planet wheel rotation set up on the planet carrier and with the sun gear meshing, the ring gear setting is in the planet wheel periphery and with the planet wheel meshing, with the elasticity that hand drive ring gear can accurate adjustment string.
It should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience in describing the present invention and simplifying the description, but the terms "upper", "lower", "inner", "outer", etc. do not indicate or imply that the devices or elements that are referred to must have specific orientations, be constructed in specific orientations, and operate, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another and therefore should not be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Finally, the above embodiments are only used to illustrate the technical solution of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered by the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a string adjuster, includes string rolling subassembly and auto-lock subassembly, characterized by:
the string winding assembly comprises a box body, a rotating shaft, an adjusting knob and a string winding wheel, wherein a cavity is arranged in the box body, a convex column is arranged on the right side wall of the cavity, a right shaft hole is formed in the center of the convex column, a left shaft hole is formed in the left side wall of the cavity and is a through hole, a string penetrating hole is formed in the lower end of the cavity, a fixing hole is formed in the outer wall of the box body, a string adjuster is fixed on the instrument body through the fixing hole, the rotating shaft is rotatably arranged between the right shaft hole and the left shaft hole, the rotating shaft penetrates through the left shaft hole to be exposed out of the box body, the adjusting knob is arranged outside the box body and is in transmission connection with the rotating shaft, the rotating adjusting knob can drive the rotating shaft to rotate, the string winding wheel is sleeved on the rotating shaft in a penetrating mode, strings are wound on the string winding wheel, the strings are tightened when the string winding wheel rotates forwards, the strings loosen when the winding wheel rotates reversely, and have a pulling force which enables the winding wheel to rotate reversely;
the self-locking assembly is arranged in the box body and used for automatically locking the string winding wheel, the string winding wheel is prevented from reversely rotating due to the tension of strings, the strings are prevented from loosening, meanwhile, the free adjustment of the tightness of the strings by the adjusting knob is not influenced, the self-locking assembly comprises a one-way bearing, a spiral spring, a first action rod and a second action rod, an inner ring of the one-way bearing is fixed on the protruding column, an outer ring of the one-way bearing can only forwardly rotate but cannot reversely rotate, the spiral spring is sleeved on the outer ring of the one-way bearing in a penetrating mode, the spiral spring is in close contact with the one-way bearing, two ends of the spiral spring are respectively provided with a first retaining ring and a second retaining ring, the first retaining ring and the second retaining ring are not on the same axis, when the first retaining ring is subjected to reverse rotating force, the inner diameter of the spiral spring is increased, the spiral spring cannot rotate on the one-way bearing, one end of the first retaining ring is fixed on the one end of the first retaining rod, the other end of the first retaining ring is fixed on the second retaining ring, and the other end of the second retaining ring is acted on the second retaining ring, and the second retaining ring is acted on the second retaining rod, and the second retaining ring is acted on the second retaining ring, and the second retaining ring.
2. A string adjuster according to claim 1, wherein: the adjusting knob comprises a coarse adjusting knob and a fine adjusting knob, the coarse adjusting knob is directly connected to the rotating shaft, the tightness of the string can be adjusted rapidly by driving the coarse adjusting knob with a hand, the fine adjusting knob is of a planetary gear structure and comprises a sun gear, a planet carrier, a planet gear and a gear ring, wherein the sun gear is fixed to the outer side of the box body and coaxial with the rotating shaft, the planet carrier is fixed to the rotating shaft, the planet gear is rotatably arranged on the planet carrier and meshed with the sun gear, the gear ring is arranged on the periphery of the planet gear and meshed with the planet gear, and the tightness of the string can be adjusted precisely by driving the gear ring with the hand.
3. A string adjuster according to claim 1, wherein: and the winding space of the string winding wheel is V-shaped.
4. A string adjuster according to claim 1, wherein: and the adjusting knob is provided with anti-skid lines.
5. A string adjuster according to claim 1, wherein: the outer peripheral surface of the one-way bearing is a frosted surface.
6. A string adjuster according to claim 1, wherein: and the string penetrating hole is provided with a wear-resistant ring.
7. A string adjuster according to claim 1, wherein: the coil spring has six to ten turns.
8. A string adjuster according to claim 1, wherein: the first retaining ring and the second retaining ring are arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211246354.5A CN115588419A (en) | 2022-09-28 | 2022-09-28 | String adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211246354.5A CN115588419A (en) | 2022-09-28 | 2022-09-28 | String adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115588419A true CN115588419A (en) | 2023-01-10 |
Family
ID=84779790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211246354.5A Pending CN115588419A (en) | 2022-09-28 | 2022-09-28 | String adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115588419A (en) |
-
2022
- 2022-09-28 CN CN202211246354.5A patent/CN115588419A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20230110 |