CN203503285U - Three-stringed Erhu provided with double-peak bridge and crossbeam-type high and low string surface regulation and control finger plate - Google Patents

Abstract

The utility model discloses a three-stringed Erhu provided with a double-peak bridge and a crossbeam-type high and low string surface regulation and control finger plate. The three-stringed Erhu maintains the whole functional structure and the performance modes of Erhu, is additionally provided with a bass string and two sets of complete bowing fingering functional fittings which are the double-peak bridge and the crossbeam-type high and low string surface regulation and control finger plate. The double-peak bridge and the crossbeam-type high and low string surface regulation and control finger plate are respectively positioned at the center of a resonator body leather skin and two ends of an inner side of a neck. A high bridge peak, a low bridge peak and a peak valley slot are arranged at the top of the bridge and are used for embedding strings, enlarging the through operational angle of bow hair between strings, and enabling a bow to move smoothly and flexibly. Two ends of the crossbeam finger plate, an upper and lower square tongue groove support and a regulating support are interconnected to one another. A front surface of the finger plate is provided with a high string surface and a low string surface which are overlapped at the top ends and inclined at the bottoms and which are used for supporting a stopping, so that the fingering quality is improved and the precise distance between the regulation finger plate and the string sets is adjusted. A string pad is configured to enable the strings have separate full vibration space, so that the overall sound production and resonance of an instrument is improved and particularly the tone quality of the boss string is enabled to be heavy and clear. The improved three-stringed Erhu has a wide range of low, middle and high and functions of specific instruments with musical performances of double tones and chord.

Description

A kind of three strings urheen that bimodal bridge and cross beam type height string face regulation and control fingerboard are set

Technical field

The utility model relates in China's folk music reform field, and traditional urheen, high Hu, middle Hu, great Hu " two strings " bowed instrument (hereinafter to be referred as urheen) are made to a kind of novel three strings urheen, high Hu, middle Hu, the great Hu series musical instrument (hereinafter to be referred as three strings urheen) that " three strings " reform produces.Especially a kind of aspect of performance of playing from instruments function to bowing fingering is more tending towards science and improves and good three strings urheen.

Urheen has enriches act of music expressive force and unique bowing (bow hair is folded in inside and outside two strings), fingering (unsettled by referring to) playing mode liked by compatriots deeply, its become perfect and sizing as " two strings " national stringed instrument.But examine closely from instrument science angle, it still exists, and range is narrower, fingering difficulty more especially lacks the limitation such as bass area with not enough, thereby the three strings two-stringed Chinese fiddle occurring in folk music reform improvement musical instrument, do not lose to become and effectively overcome and solve above-mentioned limitation and not enough effective scheme.

The utility model researcher think, the three strings urheen of setting up bass string that the employing tradition bow that the folk music reform of current China produces (i.e. single bundle bow hair) is played, to show one's talent from the prototype frame evolution of traditional urheen, it is based on urheen (can work as Erhu playing), again higher than urheen, at instruments function and performance aspect of performance, open again another more novel and unique musical function and artistic life development space, and be expected to develop into a kind of new folk music field subject being independent of outside traditional urheen.Therefore compare with other evolutionary approach (as the musical instruments such as three strings urheen that adopt two-beam bow hair bow to play), becoming a kind of scheme that more possesses scientific rationality and development prospect is worth certainly.

Background technology

The main improvement behave of current existing three strings urheen is: (1) sets up bass string at its original interior string, exterior string on basis; (2) with the one-sided peak bridge of innovating, replace urheen bridge.In addition, in performance, still take traditional approach, in bowing, will singly restraint bow hair and be folded between inside and outside two strings; In fingering, still continue to use without fingerboard unsettled by how.Thereby this type of improvement musical instrument is under the traditional urheen acoustics quality of maintenance and the constant prerequisite of unique playing mode, has effectively widened range, and the scope of activities with fingering in a position, the corresponding fingering difficulty that reduced have been expanded.But in performance practice, still there are problems: (1) bow hair is transported in bow in bass string friction, very easily produces noise with exterior string touching and disturbs music; (2) bass string could not really be got inside the character that one is playing and play a significant role, and is embodied in 1. to pronounce very thinly, lacks simple and honest tonequality; 2. ambiguous etc. at its sent out sound of musical instrument pitch of stopping with it.And all these but determine that can three strings urheen scheme finally obtain successful key to the issue place in music stage performance practice test just.

The utility model researcher think, cause above-mentioned improvement musical instrument existing problems reason to be: (1) plays bass string although the one-sided peak bridge adopting can be drawn, it can bend the fortune of changing from the interior tangential bass string bow pendulum angle too little (being only 13 ° of left and right) that hair shuttles back and forth and provides between three strings for single bundle; (2) continue the very heavy Shu Xian that continues to use and unsettled by how, make on the one hand string group on musical instrument top in the hoop death situation state of uniting, cause bass string to lack Independent Vibration space thereby pronounce very thin; On the other hand, the unsettled problem (comprising accuracy, suitable dynamics, feel etc.) that has " stopping of low quality " by how, this is for the bass string fingering technology that string footpath is thick, frequency is low, amplitude is large of newly establishing, and impact is special large.

Summary of the invention

Research purpose of the present utility model, exactly in order to eliminate and solve the above-mentioned about existing problems of performance aspect of performance such as bowing, fingering of existing three strings two-stringed Chinese fiddle improvement musical instrument.Particularly, exactly: how (1) makes the traditional bow in performance, can between three strings, carry out better the problem of the smooth and easy operation of freely shuttling; (2) how effectively to overcome and solve " stopping of low quality ", the problem that bass string effect is not good enough of existence in fingering performance, and on the spot for folk music field provides a kind of when keeping traditional urheen acoustics quality and playing mode constant, have as range and the obvious high, normal, basic range of sound, the tone color of modern solo musical instrument broadness and divide, especially possess the bowing that science is perfect more, the three strings urheen series musical instrument that fingering is played performance.

For realizing the utility model above-mentioned purpose, provide following technical scheme: a kind of three strings urheen that bimodal bridge and cross beam type height string face regulation and control fingerboard are set, there are two cover parts systems: bimodal bridge and cross beam type height string face regulation and control fingerboard, be separately positioned on inner side, the upper and lower two ends of qin cylinder epithelium face centre place and qin bar, two parts system supports are used.

The utility model is except adopting the original vocal resonance system unit of traditional urheen (to comprise band epithelium qin cylinder; With peg, very heavy qin bar; Tradition bow etc.) arrange and adopt traditional peg, string hook mounting means to set up outside the behave of bass string, also set up for improving musical instrument sound and learn quality, especially for two parts systems that complement one another and use improving its playing function, aspect of performance and have specific function effect:

(1) bimodal bridge, fixed vertical is arranged on qin cylinder epithelium face centre place, the integral body of plate-shaped has the high code He Dima peak, peak that the first half two ends arrange respectively, middle sandwiched γ shape peak valley groove, the latter half two ends arrange respectively two arch (bridge) types parts of code pin symmetrically, and upper and lower two parts are interconnected into same integral body mutually.

Wherein, two yards of jag parts of this bridge the first half height, are equipped with string slot, together with middle γ peak valley groove, are respectively used to inlay and support bass string, exterior string and interior string.

Wherein, these bridge the latter half two ends arrange respectively two symmetrical flat code pin, support string group pressure and transmit string vibration for standing upright at qin cylinder epithelium face centre place.

(2) cross beam type height string face regulation and control fingerboard, is fixedly mounted on inner side, the upper and lower two ends of qin bar, has the related tongue-and-groove support in a crossbeam fingerboard master unit and upper and lower two ends, the attached parts system of regulation and control support two.Firmly be arranged on tongue-and-groove support and the regulation and control support at the upper and lower two ends of qin bar, with the sandwiched fingerboard of tongue-and-groove top tenon and regulating screw, penetrate fingerboard bottom respectively and connect handle through hole and tighten upper and lower nut, will between fingerboard master unit and two ends accessory holder system three, interconnect.

Wherein, crossbeam fingerboard front is arranged side by side twice top and overlaps, and the horizontal string face that the strip height that bottom tilts mutually does not wait is respectively used to its corresponding bass string in top and inside and outside two strings to play by referring to support.

Wherein, crossbeam fingerboard top is provided with the square tenon of band through hole, and bottom is provided with band through hole deltiod and connects handle, is respectively used to be connected with below regulation and control support with its top tongue-and-groove support.

Wherein, tongue-and-groove support, is firmly arranged on the qin bar inner side of very heavy below, has two C shape collar parts that structure is symmetrical, surrounds and is clamped in both sides, qin bar place, very heavy below, will between two parts, interconnect.

Wherein, the middle part of two parts and in addition inner side, one end, be respectively equipped with semiellipse cylindricality groove and with the L shaped right angle tongue-and-groove sheet of through hole, be respectively used to wrap up the square tenon of qin bar and sandwiched fingerboard top.

Wherein, the joint inner side, outer end, middle part of two parts, be respectively equipped with through hole, by screw rod is also tightened respectively to two place's nuts through a chain of through hole of this joint two with three a chain of through holes (i.e. two tongue-and-groove sheet through holes and central sandwiched square tenon through hole) in the middle of the Tenon junction that another screw rod is connected with the square tenon of fingerboard through two tongue-and-groove sheets, tongue-and-groove support and fingerboard top are fixedly mounted on respectively on qin bar inner side, very heavy below and tongue-and-groove support.

Wherein, above the Tenon junction being connected at the square tenon of tongue-and-groove support and fingerboard, be provided with bar shaped capotasto, the positive top of capotasto, be respectively equipped with from left to right the string slot of three road band spacing, be respectively used to inlay and split bass string, interior string, exterior string, make Independent Vibration between string.

Wherein, regulate and control support, be firmly arranged on the qin bar inner side of qin cylinder top, have saddle type bridge pier body and regulating screw two parts, regulating screw firmly vertically towers positive at bridge pier body, will between two 0 positions, interconnect.

Wherein, bridge pier body bottom be provided with qin bar inside the large groove of semiellipse cylindricality that matches of shape, for making it firmly be landed in place, qin bar inner side.

Wherein, one of bridge pier body two sides, be provided with the through hole of two straight-through another sides, by the mode that penetrates metallic cable and tie a knot at rope ends head in the middle of two through hole, respectively at the symmetrical lasso of the girths such as this bridge pier body both sides formation, by two lasso symmetries being held around to qin bar and penetrating large screw rod and tighten big nut in the middle of two remaining lassos, bridge pier body is fixedly mounted on to place, qin bar inner side, qin cylinder top.

Wherein, regulating screw is provided with upper and lower two movable nuts with it, penetrates regulating screw, and make it to be folded between two movable nuts by fingerboard bottom deltiod being connected to the through hole of handle; And by square nut capturing position under turn with tighten upper square nut, fingerboard bottom is connected to handle adjustment and be locked in required accurate position in the middle of regulating screw.

In addition, the bimodal bridge each side of the utility model through experiment and drawn feasibility data and the scheme of material selection of performance practice test is: the longitudinal straight line drop between (1) three strings closes and is: take γ shape peak valley portion as zero starting point, from low to high, the peak-to-peak straight line drop of two height codes is than being 2:1; (2) the horizontal rectilineal interval of three strings in bridge top, except corresponding with top capotasto string slot spacing, need determine according to musical instrument physical dimension such as urheen or middle Hus, total principle, and inside and outside two strings are relatively close, and bass string widens suitable distance with two strings; (3) bridge is wood materials, when actual installation is used, bridge tow sides need be polished a little, makes it two sides and forms the flat trapezoidal shape that upper semisection is slightly thin, lower semisection is slightly thick.(4) bridge volume, two acts like a bully 23 * 20 * (5+2) mm, in act like a bully 28 * 32 * (8+3), (drawing together the thickness that data in symbol are respectively bridge the latter half and the first half).

In addition, the utility model cross beam type height string face regulation and control fingerboard each side is through experiment with play the drawn feasibility data of practice test and be: 1. the angle between the height horizontal string face of twice not etc. is 30 °; 2. the two string face specifications in fingerboard front be 320 * (6+10) mm (data of drawing together in symbol are respectively high string face and low string face width degree.); 3. be arranged on respectively the two stands at qin bar two ends, the very heavy distance in its middle tenon groove support and its top is 60mm; The distance of regulation and control support and its below qin cylinder is 25mm; 4. the spacing of Ge road, the positive top of capotasto string slot, corresponding with the horizontal rectilineal interval between at the bottom of string slot on bimodal bridge the first half two height code peaks and middle γ shape peak valley; 5. for the fingering running feel of carrying out on the two string faces that make not wait at fingerboard height connects more flexibly, need the right-angle side edge of the high string face inner side of Jiang Liangxianmian boundary, carry out suitable skiving and make it round and smooth.

The beneficial effects of the utility model are: more to press close to play actual scientific and reasonable scheme, eliminate and solved the existing problems of performance aspect of performance such as above-mentioned You Guan existing three strings urheen bowing, fingering, and realized the reform goal that this research project sets, structural principle is simple.Compare with above-mentioned similar improvement musical instrument, the utlity model has following strong point advantage:

(1) bowing performance improvement aspect, setting due to bimodal bridge, effectively expand the bow mao fortune bow pendulum angle from interior tangential bass string conversion in playing, by 13 ° of one-sided peak bridge, expand to 30 °, thereby be in actual performance, single bundle bow hair needs smooth and easy shuttling freely in the bowing performance objective requirement of three strings in bridge top, and practical guarantee is provided.

(2) fingering performance improvement aspect, setting due to crossbeam fingerboard, make three strings of musical instrument in fingering is played, obtain the relevant position support of fingerboard string face, thereby for raising and improvement by referring to quality (accuracy, the dynamics of stopping, amplitude and feel etc.), provide practical guarantee.Especially make bass string can produce clear and solid pitch, and can this bass string for musical instrument really enter music role, particularly important and crucial.

(3) tone quality improving aspect, one side is due to the setting of capotasto, having changed traditional very heavy Shu Xian makes string group in the dead state of hoop of uniting, thereby make in string group every string have the requisite space of abundant vibration by oneself, this is for changing " bass string effect is not good enough ", can send simple and honest full tonequality, tone color, play important effect; On the other hand, use due to bimodal bridge, two tops are all with symmetrical code peak moulding, support respectively bass string and exterior string, in addition in the middle of γ shape peak valley groove support in string, thereby active balance the positive pressure of whole string group for bridge and qin cylinder epithelium, thereby changed in side peak code string group for the unbalance general layout of the monolateral inclination of qin cylinder epithelium positive pressure, make the overall acoustic resonance of three strings more be tending towards balanced, unified, be conducive to eliminate " wolf sound ", and increase musical instrument pronunciation sensitivity.

Therefore (four) particularly,, aspect the musical instrument function of appeal, due to supporting the use of capotasto and fingerboard, the utility model musical instrument has been possessed play the fingering condition of double-tone and violin formula chord and skill performance (with the gd that tunes up respectively ¹a ¹three strings two example of acting like a bully, can play such as c ¹e ¹; Be ¹; Ge ¹; Gd ¹etc. double-tone and the ge such as all size three degree, six degree, pure four degree, five degree ¹b ¹; Af ¹d ¹etc. all size common chords, seventh chord), thereby the musical performance and the taste of music culture artistic value that from playing function aspect, have improved this improvement musical instrument, and filled up the blank that traditional urheen can not be played double-tone, chord, especially such playing function, for above-mentioned existing three strings urheen improvement musical instrument, also belong to blank.

(5) particularly, aspect adjusting and improving fingering operation and instrument tamber, tonequality, setting due to fingerboard bottom regulation and control support, have the function that between fingerboard height string face and its top string group, distance and degree of tilt are carried out fine adjustment and locking, this vocal resonance for the comfortable running of the fingering that makes player and bowed instrument itself all needs to enter into optimum condition and precisely for the performance objective requirement of angle position, has practical operability practical significance and the good result of finely tuning at any time.

With the three strings two of the present utility model example of acting like a bully, in conjunction with the accompanying drawings and embodiments, the utility model is described in further detail below.

Accompanying drawing explanation

The one-piece construction figure of Tu1Shi China traditional national bowed instrument urheen;

Fig. 1 a is traditional urheen Lower Half one-piece construction figure;

Fig. 1 b is the very heavy bundle string mode on traditional urheen and plays schematic diagram without fingerboard " unsettled by referring to " playing mode;

Fig. 2 is the existing three strings urheen improvement musical instrument one-piece construction figure that adopts single bundle bow hair bow to play;

Fig. 2 a is existing three strings urheen improvement musical instrument Lower Half one-piece construction figure;

Fig. 2 b is very heavy bundle string mode on existing three strings urheen improvement musical instrument and without fingerboard " unsettled by referring to " playing mode schematic diagram;

Fig. 2 c is the one-sided peak bridge one-piece construction figure that existing three strings urheen improvement musical instrument is designed and adopt;

Fig. 2 d is the schematic diagram that the maximum of changing string and can provide from interior tangential bass string for single bundle bow hair in the middle of one-sided peak bridge is changed 13 ° of pendulum angles;

Fig. 3 is the one-piece construction figure after the utility model three strings urheen Lower Half vocal resonance system assembles;

Fig. 3 a is the bimodal bridge global shape structural drawing that the utility model is designed and adopt;

Fig. 3 b is bimodal bridge back side global shape structural drawing;

Fig. 3 c is bimodal bridge bottom shape structural drawing;

Fig. 3 d is for single bundle bow hair changes the schematic diagram of 30 ° of full swing angles that string can provide from interior tangential bass string in the middle of bimodal bridge;

Fig. 4 is the cross beam type height string face regulation and control fingerboard master unit global shape structural drawing that the utility model design provides;

Fig. 4 a is the shape and structure figure of the square tenon of crossbeam fingerboard top band through hole;

Fig. 4 b is that crossbeam fingerboard bottom connects the shape and structure figure of handle with through hole deltiod;

Fig. 5 is that the tongue-and-groove support of one of attached parts system of crossbeam fingerboard is arranged on qin bar inner side and carries out interconnective structure assembling schematic diagram with the square tenon in fingerboard top;

Fig. 5 a is the symmetrical C shape collar parts shape and structure figure of two structures that forms tongue-and-groove support;

Fig. 5 b is the installation process schematic diagram of tongue-and-groove support on qin bar;

Fig. 5 c is mounted in the tongue-and-groove bracket side view on qin bar;

Fig. 5 d is bar shaped capotasto shape and structure figure;

Fig. 6 is that the regulation and control support of one of attached parts system of crossbeam fingerboard is arranged on qin bar inner side and connects handle with fingerboard bottom deltiod and carries out interconnective structure assembling schematic diagram;

Fig. 6 a forms two parts saddle type bridge pier bodies of regulation and control support and with the regulating screw of upper and lower two nuts and metallic cable, large screw rod, big nut shape and structure figure;

Fig. 6 b is that regulation and control support is at the installation process schematic diagram of qin bar inner side;

Fig. 6 c is mounted in the regulation and control bracket side view on qin bar;

Fig. 7 is the utility model three strings urheen one-piece construction figure;

Fig. 7 a is that very heavy Shu Xian and the capotasto that the utility model three strings urheen musical instrument is taked divided string design proposal and each parts assembling schematic diagram;

Fig. 7 b be supporting with fingerboard string face of adopting on the utility model three strings urheen musical instrument by referring to, rub string left hand fingering playing mode schematic diagram;

Description of reference numerals: 1, qin cylinder; 2, epithelium face; 3, elliptical cylinder-shape qin bar; 4, scroll head; 5, string slot axle system; 6, outer peg; 6a, exterior string; 7, interior peg; 7a, interior string; 8, bass peg; 8a, bass string; 9, traditional bow; 9a, single bundle bow hair; 10, the high string face of crossbeam fingerboard; 10a, the low string face of crossbeam fingerboard; 10b, the square tenon of fingerboard top band through hole; 10c, fingerboard bottom band through hole deltiod connect handle; 11, bimodal bridge; 11a, with the high code peak of string slot; 11b, with the low code peak of string slot; 11c, γ shape peak valley; 11d, left code pin; 11e, right code pin; 12, very heavy; 13, capotasto; 13a, capotasto bass string slot; String slot in 13b, capotasto; 13c, the outer string slot of capotasto; 14, the C shape collar (A); 14a, L shaped right angle tongue-and-groove sheet (A); 14b, semiellipse cylindricality groove (A); 14c, C shape collar middle part outer end joint through hole (A); 14d, tongue-and-groove sheet through hole (A); 15, the C shape collar (B); 15a, L shaped right angle tongue-and-groove sheet (B); 15b, semiellipse cylindricality groove (B); 15c, C shape collar middle part outer end joint through hole (B); 15d, tongue-and-groove sheet through hole (B); 16, screw rod (A); 16a, screw rod (B); 17, saddle type bridge pier body; 17a, half-cylindrical large groove; 17b, bridge pier body side surface through hole (A); 17c, bridge pier body side surface through hole (B); 18, regulating screw; Square nut on 18a, regulating screw; Square nut under 18b, regulating screw; 19, metallic cable; 20, large screw rod; 20a, big nut; 21, one-sided peak bridge; 21a, one-sided peak code bass string slot; String slot in 21b, one-sided peak code; 21c, the outer string slot of one-sided peak code; 22, qin base; 23, interior string hook; 23a, exterior string hook; 23b, bass string hook; 24, traditional urheen bridge; 25, sound pad processed.

Embodiment

As shown in Figure 7, with the three strings two of the present utility model example of acting like a bully, its all parts and mounting means is set, except comprising the qin cylinder 1 of traditional urheen, epithelium face 2, Elliptic Cylinder qin bar 3, scroll head 4, peg tank systems 5, interior peg 7, interior string 7a, outer peg 6, exterior string 6a, very heavy 12, qin base 23, interior string hook 23, exterior string hook 23a, sound pad 25 processed, tradition bow 9, single bundle bow hair 9a, and the bass peg 8 of setting up in peg tank systems 5, bass string 8a, outside the bass string hook 23b setting up at qin base 22 places, two parts systems that complement one another and use are separately set, be bimodal bridge 11 and cross beam type height string face regulation and control fingerboard.Wherein, bimodal bridge 11 is arranged on the epithelium face 2 centre places of qin cylinder 1; Wherein, the top of cross beam type fingerboard and bottom, be arranged on respectively and firmly the tongue-and-groove support of very heavy 12 belows, qin bar 3 inner sides and the regulation and control support of qin cylinder 1 top and form interconnecting between three; Wherein, the top, Tenon junction that crossbeam fingerboard top is connected with tongue-and-groove support, is provided with bar shaped capotasto 13.

As shown in Fig. 3, Fig. 3 a, Fig. 3 b, Fig. 3 c, the utility model fixed vertical is arranged on the bimodal bridge 11 that qin cylinder 1 epithelium face 2 centres go out, and it is slightly thin that global shape is the first half, the flat trapezoidal plate block structure that the latter half is slightly thick.Its first half two ends arrange respectively with the high code peak 11a of string slot and low code peak 11b, and middle sandwiched γ shape peak valley groove 11c, be respectively used to inlay bass string 8a, exterior string 6a and interior string 7a, the latter half two ends arrange respectively two the flat code of symmetrical arch (bridge) type pin 11d, 11e, are convenient to standing upright and support string group pressure and transmit string vibration in epithelium face 2 centre.

As shown in Fig. 4, Fig. 4 a, Fig. 4 b, the utility model is fixedly mounted on the cross beam type height string face regulation and control fingerboard at qin bar 3 upper and lower two ends, inner side, its front is arranged side by side twice top and overlaps, horizontal string face 10 and 10a that the strip height that bottom tilts mutually does not wait, be respectively used to bass string 8a and inside and outside string 7a, 6a to do to play the support of stopping.Crossbeam fingerboard top is provided with the square tenon 10b of band through hole, and bottom is provided with band through hole deltiod and connects handle 10c, is respectively used to interconnect with its top tongue-and-groove support and below regulation and control support.

As shown in Fig. 5 a, Fig. 5 b, Fig. 5 c, Fig. 5, the tongue-and-groove support of crossbeam fingerboard, is connected to form by two the symmetrical C shape collar 14,15 parts.Wherein two parts 14,15 middle parts and in addition inner side, one end, be respectively equipped with semiellipse cylindricality groove 14b, 15b and L shaped right angle tongue-and- groove sheet 14a, 15a, is respectively used to wrap up the square tenon 10b in qin bar 3 and sandwiched fingerboard top.And two L shaped tongue-and-groove sheet (14a, 15a) centre, be respectively equipped with the corresponding through hole in position (14d, 15d), in addition the inner side of two parts 14,15 outer end, middle part joints, also be respectively equipped with the position through hole (14c, 15c) of correspondence mutually, be respectively used to penetrate screw rod 16 and penetrate screw rod 16a and also tighten respectively two place's nuts and by the square tenon 10b in crossbeam fingerboard top and whole tongue-and-groove support, be firmly arranged on the qin bar inner side of very heavy 12 belows.

As shown in Fig. 5, Fig. 5 b, 5d, above the Tenon junction being connected at the square tenon 10b in tongue-and-groove support and fingerboard top, be provided with bar shaped capotasto 13, the top in capotasto front is respectively equipped with string slot 13a, 13b, the 13c of three road band spacing from left to right, be respectively used to inlay bass string 8a, interior string 7a, exterior string 6a.

As shown in Fig. 6 a, Fig. 6 b, Fig. 6 c, Fig. 6, regulation and control support is by a saddle type bridge pier body 17 and firmly tower and combine at its positive regulating screw 18, and bridge pier body 17 bottoms are provided with the large groove 17a of semiellipse cylindricality, are beneficial to and make it firmly be landed in qin bar 3 inner sides.One of bridge pier body 17 two sides, be provided with through hole 17b, the 17c (two through hole 17b, 17c that bridge pier body 17 one of them side have penetrated metallic cable 19 are only shown in Fig. 6 a, Fig. 6 b) of two straight-through another sides, for being symmetrical arranged respectively in two sides, wait girth metallic cable 19 lassos symmetry to hold around qin bar 3, screw rod 20, big nut 20a are respectively used to penetrate and hold around two remaining snares of qin bar 3 the both sides lasso of tying tight greatly.In addition, regulating screw 18 and central set upper and lower two movable nut 18a, 18b, be respectively used to penetrate crossbeam fingerboard bottom deltiod and connect handle 10c through hole, and by it adjusting and be locked in the exact position on regulating screw 18.

Below in conjunction with accompanying drawing, bimodal shape bridge that the utility model three strings urheen sets up and the Installation and Debugging process of each parts system of cross beam type height string face regulation and control fingerboard are described.

In the general parts system of the various routines of the original vocal resonance system of traditional urheen musical instrument (comprising the required parts system of bass string of setting up), arranged on installation basis, two that carry out that the utility model sets up complement one another and use the concrete Installation and Debugging program of parts systems to be:

(1) installation of tongue-and-groove support.As shown in Figure 5 b, first below very heavy 12, qin bar 3 inner sides are found installation site accurately (if necessary, three strings can be adjusted to pine), by semiellipse cylindricality groove 14a, 15b in the middle of two C shape collar parts 14,15 symmetrical encirclement respectively, clamping qin bar 3, by screw rod 16a being penetrated to middle part two corresponding a chain of through hole 14c, 15c of outer end joint tightening nuts, whole tongue-and-groove support is firmly arranged on to qin bar 3 inner sides as shown in Figure 5.

(2) installation of the square tenon 10b in crossbeam fingerboard top.As shown in Figure 5 b, square tenon 10b with through hole is inserted to tongue-and-groove support tongue-and-groove end, make it to be interposed between two tongue-and- groove sheet 14a, 15a, by screw rod 16 is inserted to a chain of through hole in three of tongue-and-groove tenon junctions, i.e. two tongue-and- groove sheet 14a, 15a through hole 14d, 15d and central sandwiched square tenon 10b through hole, and tightening nuts and crossbeam fingerboard top tenon 10b is firmly arranged on above tongue-and-groove support as shown in Figure 5.

(3) installation of regulation and control support.As shown in Figure 6 b, first above qin cylinder 1, qin bar 3 inner sides are found installation site accurately, the large groove 17a of saddle type bridge pier body 17 bottom semiellipse cylindricality that front is provided with to firm perpendicular control screw rod 18 leans on qin bar 3, the girth two metallic cable 19 lasso symmetries such as a pair of that bridge pier body 17 liang of side through hole 17b, 17c are formed hold around qin bar 3, by penetrating large screw rod 20 and tighten big nut 20a and saddle type bridge pier body 17 and whole regulation and control support are firmly arranged on to qin bar 3 inner sides as shown in Figure 6 in the middle of two remaining lassos.

(4) crossbeam fingerboard bottom connects the Installation and Debugging of handle 10c.As shown in Fig. 6 c, the through hole that fingerboard bottom deltiod is connected to handle 10c inserts bridge pier body 17 front regulating screws 18, make it to be placed between upper and lower two movable nut 18a, 18b, by square nut 18b capturing position under turn, with tightening upper square nut 18a, fingerboard bottom deltiod is connected to handle 10c and adjust and be locked in accurate position required on adjusting screw(rod) 18 as shown in Figure 6.

(5) Installation and Debugging of bimodal shape bridge 11.As shown in Fig. 3, Fig. 3 a, bimodal bridge 11 two yards of pin 11d, 11e are vertically stood on qin cylinder 1 epithelium face 2, and by interior string 7a, bass string 8a, exterior string 6a order, respectively three strings are mounted in the string slot of the central γ shape peak valley groove 11c of bridge 11 and high code peak 11a, low code peak 11b, suitably tighten string, then by whole bridge 11 slowly towards epithelium face 2 central mobile, make it to be placed in epithelium face 2 centre places as shown in Figure 3.

(6) installation of bar shaped capotasto 13.As shown in Figure 7a, first capotasto 13 bottoms are placed in to crossbeam fingerboard upper semisection string face, and in order bass string 8a, interior string 7a, exterior string 6a are mounted to respectively in the bass string slot 13a on capotasto 13 positive tops, interior string slot 13b, outer string slot 13c, then the capotasto with string 13 is slowly moved to fingerboard top upward, make it to be stuck under the small stair that the fingerboard string face of Tenon junction engages with tenon and look like shown in Fig. 7, Fig. 7 a, Fig. 7 b.

(7) installation of bow 9.As shown in Fig. 3, Fig. 6, first single bundle bow hair 9a of bow 9 is taken out from nut bow hair regulator hook, and the bow hair 9a termination of taking-up is penetrated in the middle of interior string 7a and exterior string 6a, make it to be placed between two strings and again install bow 9, the position relationship between mounted bow hair 9a and string is as shown in Fig. 3, Fig. 7.

(8) setting of sound pad 25 processed and the accordatura of string debugging.As shown in Figure 3, first sound pad 25 processed is assigned on the epithelium face 2 of bimodal bridge 11 belows, and it is moved to string group top epithelium face 2.Then repeatedly tricklely make up and down and adjust three string 6a, 7a, 8a in order in the mutual alignment relation of capotasto 13, bridge 11 and whole crossbeam fingerboard string face, make bass string 8a middle under high string face 10, interior string 7a, exterior string 6a are middle under low string face 10a.Finally adopt the standard pronunciation of pitching instrument to carry out that the empty-chord sound of three strings is high, accuracy in pitch debugging, low, inside and outside three strings 8a, 7a, 6a, empty-chord sound height be respectively gd ¹a ¹, in addition, also should with miniature spanner, to fingerboard bottom, regulate support two nut 18b, 18a to finely tune up and down according to playing needs, make the vocal resonance of musical instrument and fingering feel more sensitive and comfortable.The one-piece construction moulding of the utility model three strings urheen of adjusting is all installed as shown in Figure 7.

Claims (14)

1. the three strings urheen that bimodal bridge and cross beam type height string face regulation and control fingerboard is set, it is characterized in that: there are two cover parts systems: bimodal bridge (11) and cross beam type height string face regulation and control fingerboard, be separately positioned on inner side, the upper and lower two ends of qin cylinder (1) epithelium face (2) centre place and qin bar (3), two parts system supports are used.

2. bimodal bridge according to claim 1 and cross beam type height string face regulate and control the three strings urheen of fingerboard, it is characterized in that: the two ends of described bimodal bridge the first half arrange respectively with the high code peak (11a) of string slot and low code peak (11b), between two height code peaks, form γ shape peak valley groove (11c), high code peak (11a) is for inlaying and supporting bass string (8a), low code peak is used for inlaying and supports exterior string (6a), γ shape peak valley groove (11c) for inlaying and supporting interior string (7a).

3. bimodal bridge according to claim 1 and 2 and cross beam type height string face regulate and control the three strings urheen of fingerboard, it is characterized in that: described bimodal bridge the latter half arranges two symmetrically and forms the flat code pin (11d, 11e) of arch (bridge) type, supports string group pressure and transmit string vibration for standing upright at qin cylinder (1) epithelium face (2) centre place.

4. bimodal bridge according to claim 1 and cross beam type height string face regulate and control the three strings urheen of fingerboard, it is characterized in that: described cross beam type height string face regulation and control fingerboard has a cross beam type height string face regulation and control fingerboard master unit, its top tenon (10b) and bottom connect handle (10c) respectively through hole, top tenon (10b) is connected in inner side, qin bar (3) upper end with tongue-and-groove support, and bottom connects handle (10c) and is connected in inner side, qin bar (3) lower end with regulation and control support.

5. according to the three strings urheen of the bimodal bridge described in claim 1 or 4 and cross beam type height string face regulation and control fingerboard, it is characterized in that: the regulation and control fingerboard of described cross beam type height string face refers to that its front laterally has the horizontal string face of twice that height does not wait, i.e. high string face (10) and low string face (10a); The top of the regulation and control fingerboard of described cross beam type height string face is that high string face (10) and low string face (10a) overlap, and bottom is to form the angle of 30 ° between high string face (10) and low string face (10a); High string face (10) supports by finger as the performance of bass string (8a), and low string face (10a) supports by finger as the performance of interior string (7a) and exterior string (6a).

6. bimodal bridge according to claim 5 and cross beam type height string face regulate and control the three strings urheen of fingerboard, it is characterized in that: described cross beam type height string face regulation and control fingerboard top is provided with the band square tenon of through hole (10b), bottom is provided with band through hole deltiod and connects handle (10c), is respectively used to interconnect with its top tongue-and-groove support and below regulation and control support.

7. the three strings urheen of bimodal bridge and cross beam type height string face regulation and control fingerboard according to claim 4, it is characterized in that: described tongue-and-groove support has two C shape collar parts (14,15) that structure is symmetrical, encirclement is clamped in two outsides of qin bar (3), will between two parts, interconnect.

8. the three strings urheen of bimodal bridge and cross beam type height string face regulation and control fingerboard according to claim 7, it is characterized in that: two parts of described tongue-and-groove support (14,15) middle part and inner side, another outer end, the L shaped right angle tongue-and-groove sheet (14a, 15a) that is respectively equipped with semiellipse cylindricality groove (14b, 15b) and band through hole (14d, 15d), is respectively used to wrap up the square tenon of qin bar (3) and sandwiched fingerboard top (10b).

9. the three strings urheen of bimodal bridge and cross beam type height string face regulation and control fingerboard according to claim 8, it is characterized in that: the outer one end of two parts of described tongue-and-groove support (14,15) is respectively equipped with through hole (14c, 15c), the square tenon of fingerboard (10b) is connected with two tongue-and-groove sheets (14a, 15a) Tenon, screw rod (16) is connected with the square tenon of fingerboard (10b) through two tongue-and-groove sheet through holes (14d, 15d), and screw rod (16a) is fixedly mounted on this tongue-and-groove support and fingerboard top on qin bar (3) inner side, very heavy (12) below through through hole (14c, 15c).

10. according to the three strings urheen of bimodal bridge described in claim 4 or 9 and cross beam type height string face regulation and control fingerboard, it is characterized in that: the top, Tenon junction that described tongue-and-groove support is connected with the square tenon of fingerboard (10b) at its tongue-and-groove end, be provided with bar shaped capotasto (13), the positive top of capotasto, be respectively equipped with from left to right the string slot (13a, 13b, 13c) of three road band spacing, be respectively used to inlay and split bass string (8a), interior string (7a), exterior string (6a), make Independent Vibration between string.

The three strings urheen of 11. bimodal bridges according to claim 4 and cross beam type height string face regulation and control fingerboard, it is characterized in that: described regulation and control support has saddle type bridge pier body (17) and regulating screw (18) two parts, regulating screw (18) firmly vertically towers in bridge pier body (17) front, will between two parts, interconnect.

The three strings urheen of 12. bimodal bridges according to claim 11 and cross beam type height string face regulation and control fingerboard, it is characterized in that: described regulation and control support bridge pier body (17) bottom is provided with the large groove of semiellipse cylindricality (17a) matching with qin bar (3) inner side shape, for making it firmly be landed in place, qin bar (3) inner side.

The three strings urheen of 13. bimodal bridges according to claim 12 and cross beam type height string face regulation and control fingerboard, it is characterized in that: one of described regulation and control support bridge pier body (17) two sides are provided with the through hole (17b of two straight-through another sides, 17c), by the mode that penetrates metallic cable (19) and tie a knot at rope ends head in the middle of two through hole, respectively at the symmetrical lasso of the girths such as bridge pier body (17) both sides formation, by two lasso symmetries being held around to qin bar (3) and penetrating large screw rod (20) and tighten big nut (20a) in the middle of two remaining lassos, bridge pier body (17) is fixedly mounted on to qin bar (3) inner side of qin cylinder (1) top.

The three strings urheen of 14. bimodal bridges according to claim 11 and cross beam type height string face regulation and control fingerboard, it is characterized in that: described regulation and control support regulating screw (18) is provided with upper and lower two movable nuts (18a, 18b) with it, by the deltiod of fingerboard bottom being connected to the through hole of handle (10c), penetrate regulating screw (18), and make it to be folded between two movable nuts (18a, 18b), and by square nut under turn (18b) with tighten upper square nut (18a) and fingerboard bottom is connected to handle (10d) adjust and be locked on regulating screw (18).

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