CN206541605U - Differential type built in Chinese lute is tuned a stringed instrument mechanism - Google Patents

Abstract

Tuned a stringed instrument mechanism the utility model discloses differential type built in a kind of Chinese lute, it includes turning peg, pin, differential attachment, string slot two side chord.The turning peg difference positioning installation differential attachment of string slot two side medial surface correspondence different azimuth, the overhanging optical axis section of worm screw built in differential attachment coordinates with axial hole built in turning peg, pin extends radially through pin-and-hole preset on turning peg and worm screw, thus constitutes the mechanism of tuning a stringed instrument that regulation turning peg just can drive differential attachment to move.Differential attachment in the utility model is Worm and worm-wheel gearing, and the mechanism is noteworthy characterized by reduction of speed ratio greatly, and self-locking property is good.Such a differential gearing is conducive to the tensile force of trace regulation string, easily realizes and precisely tunes up.On the other hand under the power-assisted of differential attachment, string regulation is very light, quick, be easy to player it is quick, it is accurate edit string sound, and ensure that the string set up will not loosen without reason.

Description

Differential type built in Chinese lute is tuned a stringed instrument mechanism

Technical field

The utility model is related to a kind of mechanism of tuning a stringed instrument of musical instrument, specifically, and the utility model is related to one kind and plays class pleasure The mechanism of tuning a stringed instrument of device, differential type built in particularly a kind of Chinese lute is tuned a stringed instrument mechanism.

Background technology

Chinese lute is one of most representational musical instrument of the Chinese nation, and its is with a long history.Chinese lute, which belongs to, typically plays class Chord crying musical instrument, it has broad range, and tone color is changeable, and expressive force is enriched, and the overtone particularly produced is of all times Ranked first in each kind musical instrument.Treble becomes clear when being played using high-quality Chinese lute and rich in rigidity, middle register is soft and has profit Sound, bass area tonequality is pure and honest.Modern Chinese lute is the achievement of successive dynasties concert performer's Curve guide impeller, and its standard has tended to be unified, common plucked string instrument with a fretted fingerboard Pa is the product of six phase 24, with 12 equal temperances.In current armrest thrum dials string sounding musical instrument, Chinese lute is played in study Difficulty it is maximum, be commonly called as " 10 years Chinese lute, 3 years Chinese zither ".Chinese lute playing quality and effect are depended primarily on and edited in addition to skill Whether true string accuracy in pitch is, and string sound, which is edited, is forbidden to obtain being satisfied with playing effect.Chinese lute string sound is edited by rotating turning peg to adjust The tensile force of end institute overspun wire and realize, four turning pegs of commercially available Chinese lute coordinate with the conical bore of string slot two side respectively, utilize The frictional force produced that cooperates locks turning peg setting.In reality, turning peg end winding string by local environment temperature, Humidity influence is larger, it is necessary to which trace regulation turning peg is to edit string sound in good time, and prior art produces frictional force locking by taper fit It is a pair of long-standing contradictions with flexibly tuning a stringed instrument although the structure of turning peg is very simple, practical, because turning peg has locked then hardly possible To realize accurate trace regulation, turning peg does not lock string, and easily loosening is changed voice again.

Utility model content

The utility model proposes a kind of adjust mainly for commercially available and with the locking of the turning peg of Chinese lute and the contradiction of flexible modulation Beam string structure is simple, turning peg rotate flexibly, regulation it is uniform, and differential type built in the Chinese lute of position reliable lock tunes a stringed instrument mechanism.

The utility model is achieved through the following technical solutions technical goal.

Differential type built in Chinese lute is tuned a stringed instrument mechanism, and it includes turning peg, pin, differential attachment, string slot two side chord.The cross board at the rear of an ancient carriage Son is from insertion string slot two side laterally outside.It is theed improvement is that：The turning peg coordinates section to be cylinder with string slot two side Shape, both gaps coordinate, and turning peg is inner to be provided with axial hole between two parties.The differential attachment be reduction gearing mechanism, it include worm screw, Truss, worm gear, screw rod chord are twined.The worm screw is slender axles, and only one end is provided with the helicla flute with worm wheel, and remaining is light Shaft part.The truss is open slot component, and two stiles are respectively provided with the coaxial openings groove of positioning installation worm screw, bottom land inner chamber The string being provided with the outside of arranged parallel worm gear, bottom land with worm gear placed coaxial is twined, and worm gear chord is twined to be connected to by screw axial jointly Together, and using truss as support rotary.The string twines groove segment built-in radial through hole, and string is twined with string through radial direction through hole and mutually twined Around.The turning peg difference positioning installation differential attachment of string slot two side medial surface correspondence different azimuth, the worm screw of differential attachment Overhanging optical axis section coordinates with axial hole built in turning peg.The pin extends radially through pin-and-hole preset on turning peg and worm screw, thus structure The mechanism of tuning a stringed instrument that differential attachment is moved just can be driven into regulation turning peg.

As further improvement project, the speed reducing ratio of the differential attachment is 1：10~24.

The utility model compared with prior art, has the positive effect that：

1st, differential attachment uses drive structure of gear worm, simple in construction, and product easily realizes miniaturization；

2nd, Worm Wheel System reduction of speed is conducive to the tensile force of trace regulation string than big, easily realizes and precisely tunes up；

3rd, Worm Wheel System has good self-locking performance, edits string position stabilization after string sound, will not occur to loosen without reason；

4th, under differential attachment power-assisted, tune a stringed instrument light, quick, and steady quality.

Brief description of the drawings

Fig. 1 is Chinese lute outline drawing.

Fig. 2 is Fig. 1 stem side profile schematic diagrames.

Fig. 3 is that differential type built in Fig. 2 is tuned a stringed instrument the Facad structure enlarged drawing of mechanism.

Fig. 4 is the structure enlarged diagram of differential attachment in Fig. 2.

Fig. 5 is Fig. 4 side view.

Fig. 6 is Fig. 4 top view.

Embodiment

Below according to accompanying drawing and in conjunction with the embodiments, the utility model is described in further detail.

Differential type built in Chinese lute shown in Fig. 3 is tuned a stringed instrument mechanism, and it includes turning peg 1, pin 2, differential attachment 3, string slot both sides The chord 5 of wall 4.The turning peg 1 is the handle that Chinese lute player is used to tune a stringed instrument, and it is from insertion string slot two side 4 laterally outside, originally Embodiment sets 4 turning pegs 1 altogether, i.e. 2, left side, 2, right side.Turning peg 1 coordinates section to be cylinder with string slot two side 4, between the two Gap coordinates, and turning peg 1 coordinates the end of section to be provided with axial hole between two parties with string slot two side 4.The differential attachment 3 is a kind of worm gear snail The reduction gearing mechanism of bar transmission, is utilized to adjust the tensile force of string 5.Differential attachment 3 shown in Fig. 4, Fig. 5 and Fig. 6 includes Worm screw 3.1, truss 3.2, worm gear 3.3, the chord of screw 3.4 twine 3.5.The worm screw 3.1 is slender axles, the present embodiment worm screw 3.1 For diameter phi 5.0mm slender axles, only one end is provided with the helicla flute being engaged with worm gear 3.3, and remaining is optical axis section.The truss 3.2 be the component that plate is bent into opening trough_like, and two stiles are respectively provided with the coaxial openings groove of positioning installation worm screw 3.1, The string being provided with the outside of bottom land inner chamber arranged parallel worm gear 3.3, bottom land with the placed coaxial of worm gear 3.3 twines 3.5, and the chord of worm gear 3.3 is twined 3.5 are axially connected together, and be support rotary with truss 3.2 jointly with screw 3.4.It is differential attachment 3 that the string, which twines 3.5, Output end, for winding string 5.String twines 3.5 circular groove section built-in radial through hole 3.5.1 in the present embodiment, and string 5 runs through footpath 3.5 are twined to through hole 3.5.1 with string mutually to wind.The turning peg 1 of the medial surface of the string slot two side 4 correspondence different azimuth positions peace respectively Differential attachment 3 is put, first coordinates the optical axis section in the outside of worm screw 3.1 of differential attachment 3 with axial hole built in turning peg 1 during installation, Then pin-and-hole 3.1.1 preset on turning peg 1 and worm screw 3.1 is extended radially through with pin 2, thus constituting regulation turning peg 1 just can drive The mechanism of tuning a stringed instrument that differential attachment 3 is moved.

Differential attachment 3 in the utility model is Worm and worm-wheel gearing, and the mechanism is noteworthy characterized by reduction of speed ratio greatly, And self-locking property is good.The present embodiment worm screw 3.1 is single head, and worm gear 3.3 is 12 teeth, and its speed reducing ratio is 1：12, i.e. 3.1 turn 1 of worm screw Week, worm gear 3.3 drives string to twine the tooth position of 3.5 rotation one, and worm screw 3.1 turn 12 weeks, worm gear 3.3 drives string to twine 3.5 rotation one week.It is such a Differential gearing is conducive to the tensile force of trace regulation string 5, easily realizes and precisely tunes up.By worm gear 3.3 and worm screw 3.1 constitute it is differential Mechanism 3 has good self-locking performance, only has the linkage driving worm gear 3.3 of worm screw 3.1 of turning peg 1 to rotate when using, and worm gear 3.3 can not Worm screw 3.1 is driven to be driven, such a irreversible architectural characteristic, it can be ensured that editing string 5 after string sound will not loosen without reason.In addition, Under the power-assisted of differential attachment 3, regulation string 5 is very light, quick, is easy to player quickly, accurately to edit string sound.

The utility model can also be applied in other stringed musical instruments except tuning a stringed instrument in addition to mechanism as Chinese lute, for example urheen, yu-kin There is similar good effect with liuqin application the utility model.As long as the technology tuned a stringed instrument in stringed musical instrument using differential attachment 3 Scheme, each falls within the claimed scope of the utility model claims.

Claims (2)

1. The mechanism 1. differential type built in a kind of Chinese lute is tuned a stringed instrument, it includes turning peg（1）, pin（2）, differential attachment（3）, string slot two side （4）Chord（5）；The turning peg（1）From insertion string slot two side laterally outside（4）In；It is characterized in that：The turning peg（1）With String slot two side（4）It is cylinder to coordinate section, and both gaps coordinate, turning peg（1）It is inner to be provided with axial hole between two parties；The differential machine Structure（3）For reduction gearing mechanism, it includes worm screw（3.1）, truss（3.2）, worm gear（3.3）, screw（3.4）Chord is twined（3.5）； The worm screw（3.1）For slender axles, only one end is provided with and worm gear（3.3）The helicla flute being engaged, remaining is optical axis section；The groove Frame（3.2）For open slot component, two stiles are respectively provided with positioning installation worm screw（3.1）Coaxial openings groove, bottom land inner chamber Arranged parallel worm gear（3.3）, bottom land outside is provided with and worm gear（3.3）The string of placed coaxial is twined（3.5）, worm gear（3.3）Chord is twined （3.5）Jointly by screw（3.4）It is axially connected together, and with truss（3.2）For support rotary；The string is twined（3.5）It is recessed Groove section built-in radial through hole（3.5.1）, string（5）Through radial direction through hole（3.5.1）Twined with string（3.5）Mutually wind；The string slot two Side wall（4）The turning peg of medial surface correspondence different azimuth（1）Difference positioning installation differential attachment（3）, differential attachment（3）Worm screw （3.1）Overhanging optical axis section and turning peg（1）Built-in axial hole coordinates；The pin（2）Extend radially through turning peg（1）And worm screw（3.1） Upper preset pin-and-hole（3.1.1）, thus constitute regulation turning peg（1）Just differential attachment can be driven（3）The mechanism of tuning a stringed instrument of motion.
2. The mechanism 2. differential type built in Chinese lute according to claim 1 is tuned a stringed instrument, it is characterised in that：The differential attachment（3）'s Speed reducing ratio is 1：10~24.