CN2287742Y

CN2287742Y - Complex improved erhu for child

Info

Publication number: CN2287742Y
Application number: CN 97207215
Authority: CN
Inventors: 王斌; 王骏
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-02-21
Filing date: 1997-02-21
Publication date: 1998-08-12
Anticipated expiration: 2007-02-21

Abstract

The utility model relates to a national erhu musical instrument. The upper end of the musical instrument pole is provided with a bar-shaped string groove; two gear shafts are arranged in the string groove; a pinion on one end of the gear shaft is positioned at the corresponding position of the outer wall of the musical instrument pole. Corresponding to the position of two pinions, two worm type handles for slight modulation are arranged at the outer wall on the upper end of the musical instrument pole; worms of the two handle ends are respectively engaged with the respective pinions. One end of two strings is respectively connected with the respective gear shaft by the string groove and the other end of the two strings is connected with a musical instrument barrel. An adjustable finger board is connected with the middle part of the musical instrument pole and is composed of two bearing seats and a straight pole. Two bearing seats are connected with the upper and the lower parts of the musical instrument pole; both ends of the straight pole are respectively and movably connected with the two bearing seats by a sliding groove structure and the two strings pass through the surface of the straight pole tensely.

Description

Comprehensive improvement children urheen

The utility model relates to a kind of national musical instruments, particularly a kind of urheen musical instrument.

Two traditional Chinese fiddle bars are longer, and only adapting to is grown up plays, and its qin axle of tuning a stringed instrument runs string easily, and young children is learned qin because the hand-power deficiency is difficult for tuner, make troubles for qin.And former urheen worm-gear type qin axle since acting force directly on worm gear, worm gear damages the race string easily, so do not liked by the people always.When playing, by sound, rub string, because the difference of dynamics, changed the tension force of string, so musical notes exactly at same position.Existing in addition two Chinese fiddle bars are long, qin tube instability, and it is big that young children is learned qin left hand burden, and can only play with sitting posture, and it is low to learn qin efficient.

The purpose of this utility model is to overcome above-mentioned deficiency, the comprehensive improvement children urheen that provides a kind of children of being particularly suitable for to use.

Technical solution of the present utility model:

A kind of comprehensive improvement children urheen, it includes qin tube (10), qin bar (8), string structures such as (9), it is characterized in that:

A. have bar shaped string groove (13) in the upper end of qin bar (8), be provided with two rooted tooth wheel shafts (14) in this string groove (13), the pinion wheel (15) of gear shaft (14) one ends is positioned on qin bar (8) the correspondence position outer wall, the position of corresponding two pinion wheels (15), on the upper end outer wall of qin bar (8), be provided with two Worm type trimming handles (6), the worm screw (16) of two handles (6) termination respectively with the engagement of separately pinion wheel (15), one end of two strings (9) is connected on separately the gear shaft (14) by string groove (13), and their other end links to each other with qin tube (10);

B. be connected with adjustable fingerboard (2) at the middle part of qin bar (8), it is made of two supporting bases (3), (5) and a straight-bar (4), two supporting bases (3), (5) are connected the upper and lower part of qin bar (8), the two ends of straight-bar (4) flexibly connect by the chute structure with two supporting bases (3), (5) respectively, and two strings (9) tighten from straight-bar (4) surface by.

Characteristics of the present utility model are to shorten qin bar size; on the qin bar, open a string groove; it can protect string not collided; be beneficial to the stable of sky string, be convenient to children and use, owing to have the string groove; so can lay Worm type fine setting minor axis; this minor axis can make the young children tuning convenient, the empty-chord sound quasi-steady, and it can apply to professional urheen equally.The utility model need not be traditional very heavy, on string slot type qin bar adjustable fingerboard is housed, and it can regulate the span size, and different spans also are furnished with seven kinds of adhesive sticker mode span figure, so that study.The carrying out of the above big jumping sound of octave can be accurately looked for, the gap of accuracy in pitch frequency when rubbing string can be reduced.The utility model is furnished with every adhesive sticker span figure, and because of being furnished with fingerboard, span is more fixing, span figure can divide seven accent, three handles, and divide 28,31,34,37,40 centimeters five kinds of span patterns, as long as one to one figure is attached to the inboard of fingerboard, the beginner can be according to the custom of oneself, just the accuracy in pitch exercise can be found, a large amount of time can be saved, the fan of certain understandability is arranged, there is very big benefit in the place that does not have the condition qin.The utility model is furnished with the movable Qin Tuo of being linked with on the collet of qin, promptly stablize the qin tube, also can stand-type performance and the formula of singing and dancing festively play, increased the performance ability of urheen, and having reduced the left hand burden of learning qin young children and beginner, the burden when making young children reduce the white silk qin is saved time, improve and learn qin efficient, to reach rapid-result purpose.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is a handle place enlarged diagram among Fig. 1.

Fig. 4 is the movable supporting plate synoptic diagram of the utility model.

Fig. 5 is the utility model adhesive sticker span figure synoptic diagram.

As Fig. 1-5, qin bar of the present utility model (8) length shortens, and tuning is convenient, to adapt to children and the beginner drills cooperation.The utility model can be furnished with movable supporting plate (1) in qin tube (10) bottom, location square hole (11) is arranged at this supporting plate (1) bottom, in order to cooperate with qin bar (8) bottom, its side is a hook (12), in order to cooperate with user's waistband, the length of hanging waistband portion can be according to player's needs bending.The utility model can be stained with adhesive sticker span figure (7) in straight-bar (4) inboard of adjustable fingerboard (2), with convenient for children, beginner's study.

Adjustable fingerboard (2) has two supporting bases (3), (5) in the utility model, their end is semi-circularly to link to each other with qin bar (8), the other end is that trench structure and straight-bar (4) join, one end semicircle type scalable player is the height of position, the distance of other end trench structure scalable straight-bar chord, available then glue is fixed, fingerboard has two sizes, a kind of is adult's size, another kind is immature youngster's a size, and the length of fingerboard is only established three the position, a following space that stays, can hit string etc. as springing bow for the bow motion.

During the utility model tuning, turn handle (6), its worm screw (16) drives pinion wheel (15) and rotates, thereby regulates the degree of tightness of string (9) by gear shaft (14).Owing to adopted gear tuning structure,, be particularly suitable for children and use so only need conveniently to regulate with very little power.

Adjustable fingerboard of the present utility model (2) is the finger length according to each learner, determines its position on qin bar (8), and its straight-bar (4) and supporting base (3), (5) again can be in vertical adjusting, so can satisfy the width needs that the learner points opening width.

The utility model span figure (7) has certain booster action to hand-type stationary tone standard.

When stand-type the or formula of singing and dancing festively of the utility model is played, only need the hook (12) of movable supporting plate (1) is hooked on user's the waistband, two-stringed piano drum (10) is placed on the supporting plate (1), and can plays easily in the location square hole (11) of the bottom of qin bar (8) insertion supporting plate (1).

Claims

1. comprehensive improvement children urheen, it includes qin tube (10), qin bar (8), string structures such as (9), it is characterized in that:

2. by the described comprehensive improvement children of claim 1 urheen, it is characterized in that the length of qin bar (8) shortens, use to adapt to children.

3. by the described comprehensive improvement children of claim 1 urheen, it is characterized in that to be furnished with movable supporting plate (1) in qin tube (10) bottom, there is location square hole (11) this supporting plate (1) bottom in order to cooperate with qin bar (8) bottom, and its side is a hook (12), in order to cooperate with user's waistband.

4. by the described comprehensive improvement children of claim 1 urheen, it is characterized in that straight plate (4) inboard, can be stained with adhesive sticker span figure (7), with convenient for children, beginner's study at adjustable fingerboard (2).