CN201576437U - Banhu easy to knead string - Google Patents

Abstract

The utility model discloses a Banhu easy to knead string. A musical instrument rod is arranged on a musical instrument drum and a musical instrument axle is arranged at the upper part of the musical instrument rod and musical instrument strings are arranged between the musical instrument axle and a musical instrument support below the musical instrument drum; a string fastener is arranged on the musical instrument drum and an elastic string fastener is arranged on the musical instrument rod; a fixation rack is arranged on the musical instrument rod and a movable arm is rotatably connected with the fixation rack and a spring is arranged between the movable arm and the musical instrument rod. The elastic string fastener is arranged and the elasticity of the spring is used to make the hand feeling of the string change more relax, thus the difficulty of kneading the string is obviously reduced and not only the string is easily pressing-kneaded but also the string is normally rolling-kneaded and the traditional playing method and skill of the Banhu is not changed. Because the spring is arranged in the elastic string fastener, the spring vibrates together with the vibration of the string, new vibration is overlapped when the fundamental frequency of the string is not changed, thus the musical quality is more gentle and beautiful, especially when playing an open string and the musical quality is more obviously improved.

Description

Be easy to rub the bowed stringed instrument with a thin wooden soundboard of string

Technical field

The utility model relates to a kind of national musical instruments, especially a kind of bowed stringed instrument with a thin wooden soundboard that is easy to rub string.

Background technology

Bowed stringed instrument with a thin wooden soundboard is typical Chinese bowed instrument, and its tone color is bright, and is loud and sonorous, and imposing manner is bold, can be used for solo or accompaniment.The multiple Chinese local operas performed to the accompaniment of wooden clappers opera of China, northern opera and Chinese folk art forms such as picture Hebei clapper opera, pingju opera, Henan opera, Shanxi opera etc., all are as main musical instrument accompaniment with bowed stringed instrument with a thin wooden soundboard.The structure of bowed stringed instrument with a thin wooden soundboard is to be provided with the qin bar on the qin tube, is provided with the qin axle on the top of qin bar, is connected to string between the qin holder of qin axle and qin tube bottom; On the qin tube, also be provided with very heavy (the claiming a thousand pieces of gold again) of string being played fixing and chord of contact effect.Bowed stringed instrument with a thin wooden soundboard utilizes the friction between bow and the string to drive the string vibration when playing, and string is empathized in the qin tube, thereby produced sound by qin sign indicating number excitation qin panel vibration.

Existing bowed stringed instrument with a thin wooden soundboard uses rigidity very heavy always, by string vibration frequency formula (I) as can be known,

$f=\frac{n}{2l}\sqrt{\frac{T}{\mathrm{\ρ}}}---\left(I\right)$

Because the string of bowed stringed instrument with a thin wooden soundboard is slightly more a lot of than the string of urheen, promptly the line density ρ of string is bigger, guarantee same frequency, then requires tension force T very big, and the string that the player can feel bowed stringed instrument with a thin wooden soundboard is " firmly " very.This just makes the rub string of bowed stringed instrument with a thin wooden soundboard in performance become a difficult problem, the kneadding that causes the many employings of player to be easy to realize, and the tumbling that tone color is soft and graceful then almost can't realize.

The utility model content

The technical problems to be solved in the utility model provides a kind of bowed stringed instrument with a thin wooden soundboard that is easy to rub string of realizing tumbling.

For solving the problems of the technologies described above, technical solution adopted in the utility model is: be provided with the qin bar on the qin tube, be provided with the qin axle on the top of qin bar, be connected to string between the qin holder of qin axle and qin tube bottom; Be provided with very heavyly on the qin tube, its improvements are that it is very heavy also to be provided with elasticity on the qin bar; Described elasticity is very heavy to be to be provided with fixed mount on the qin bar, is rotatably connected to lever arm on fixed mount, lever arm and and the qin bar between be provided with spring.

The further technical scheme of the utility model: very heavyly move 4-10cm from traditional very heavy position, elasticity is very heavy be positioned at very heavy below, be provided with empty very heavy in traditional very heavy position; The very heavy shape that the very heavy employing of described void is traditional and not contacting with string.

The preferred lever arm of the utility model is to transfer on fixed mount in the top of two motion bars, and two motion bars lay respectively at the both sides of string; Described spring is connected the middle part or the middle front part of motion bar; Be provided with two depression bars that motion bar is affixed in the lower end of motion bar, depression bar is withheld string under the pulling force effect of spring.

The further technical scheme of the utility model is the spring regulating device that is provided with the adjustable springs degree of tightness between qin bar and spring.

The structure of preferred spring regulating device is: be with the adjuster bar of U-shaped on the qin bar, two ends of adjuster bar run through adjustable plate, and spring is fixed on the adjustable plate; Two ends of adjuster bar are provided with screw thread, by the location of nut and screw thread realization adjuster bar and adjustable plate.

Adopt the beneficial effect that technique scheme produced to be: the utility model is very heavy by elasticity is set on bowed stringed instrument with a thin wooden soundboard, originally fixing very heavy moved on suitably, make the feel of player when playing become more lax, so just significantly reduced the difficulty of rubbing string, not only kneadding easily can also realize normal tumbling.Owing to be provided with spring during elasticity is very heavy, spring can vibrate with vibrations of strings, i.e. the utility model new vibration that under the constant situation of the fundamental frequency of string, superposeed, and this just makes tone color of the present utility model more soft and graceful, especially when empty string was played, the improvement of tone color was more outstanding.

Especially adopt and move on very heavy, and when empty very heavy structure is set, need not change traditional playing method of bowed stringed instrument with a thin wooden soundboard and skill, can normally play.

When especially the utility model was set up spring regulating device, the degree of tightness of regulating spring as required was to realize the very heavy good chord of contact accordatura of this elasticity, so that the utility model is applicable to different performance situations.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

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

Fig. 2 is the structure for amplifying synoptic diagram of A portion among Fig. 1.

Embodiment

Shown in Figure 1, the bowed stringed instrument with a thin wooden soundboard that originally is easy to rub string is to be provided with qin bar 1 on qin tube 11, is provided with qin axle 2 on the top of qin bar 1, is connected to string 9 between the qin holder 10 of qin axle 2 and qin tube 11 bottoms; On qin bar 1, also be provided with string 9 is played very heavy 3 of fixing and chord of contact effect, very heavy 3 move 4-10cm on traditional very heavy position, the flat wood chip that very heavy 3 usefulness ox horns or redwood are made, with traditional method it is fixed (with silk rope or sheet metal all can) on the qin bar.This bowed stringed instrument with a thin wooden soundboard also is provided with elasticity on qin bar 1 very heavy, and elasticity is very heavy to be arranged on the below of very heavy 3 after moving.Traditional very heavy position be provided with empty very heavy 12, empty very heavy 12 adopt traditional very heavy shape and empty very heavy 12 with string 9 between certain space is arranged, void very heavy 12 is not contacted in the bowed stringed instrument with a thin wooden soundboard playing procedure all the time with string 9; Empty very heavy 12 adopt traditional very heavy fixing means (with silk restrict or sheet metal all can) be fixed on the qin bar 1; Empty very heavy 12 setting is in order not change the performance pattern of bowed stringed instrument with a thin wooden soundboard, and the player need not change playing method and can normally play.

Fig. 1, shown in Figure 2, the described elasticity of this bowed stringed instrument with a thin wooden soundboard is very heavy to be to be provided with fixed mount on qin bar 1, described fixed mount is to be fixed with holder 14 by screw rod on qin bar 1, is fixed with wooden fixed block 4 at holder 14 over against the direction of string 9.Be hinged with lever arm on fixed block 4, the mode that also can adopting between lever arm and the fixed block 4 is coupling etc. is rotationally connected is that rotate up and down at the center with the coupling shaft as long as can make lever arm.Shown in Figure 2, the structure of lever arm is that the top of two motion bars 7 is hinged on the fixed block 4, and two motion bars 7 lay respectively at the both sides of string 9; Middle part or middle front end at motion bar 7 are connected with spring 6, and spring 6 can be socketed on the qin bar 1, preferably realize being connected with qin bar 1 by spring regulating device that can the regulating spring degree of tightness; Be provided with two depression bars 8 that motion bar is affixed in the lower end of motion bar 7, depression bar 8 is withheld string 9 under the pulling force effect of spring 6.Shown in Figure 2, the depression bar 8 of this bowed stringed instrument with a thin wooden soundboard is an arc, or is provided with the groove that adapts to string on depression bar 8, horizontally slips on string 9 to prevent depression bar 8.

Shown in Figure 2, spring regulating device is the adjuster bar 13 that is with U-shaped on qin bar 1, and two ends of adjuster bar 13 run through adjustable plate 5, and spring 6 is fixed on the adjustable plate 5; Two ends of adjuster bar 13 are provided with screw thread, by the location of nut and screw thread realization adjuster bar 13 and adjustable plate 5.Can utilize the elastic pulling force of spring 6 like this, adjuster bar 13 tightly is enclosed within on the qin bar 1, realize being connected of spring and qin bar; When needing the degree of tightness of regulating spring 6, only need tighten or unscrew nut and get final product.Certainly, also can adopt the spring regulating device of other structure to be used for the degree of tightness of regulating spring.

This bowed stringed instrument with a thin wooden soundboard adopts traditional bowed stringed instrument with a thin wooden soundboard playing method when playing, need not change playing technique, and is easy to use.

Claims (8)

1. bowed stringed instrument with a thin wooden soundboard that is easy to rub string, it is provided with the qin bar on the qin tube, be provided with the qin axle on the top of qin bar, is connected to string between the qin holder of qin axle and qin tube bottom; Be provided with very heavyly on the qin tube, it is characterized in that: it is very heavy also to be provided with elasticity on the qin bar; Described elasticity is very heavy to be to be provided with fixed mount on the qin bar, is rotatably connected to lever arm on fixed mount, lever arm and and the qin bar between be provided with spring.

2. the bowed stringed instrument with a thin wooden soundboard that is easy to rub string according to claim 1 is characterized in that: very heavyly move 4-10cm from traditional very heavy position, elasticity is very heavy be positioned at very heavy below, be provided with empty very heavy in traditional very heavy position; The very heavy shape that the very heavy employing of described void is traditional and not contacting with string.

3. the bowed stringed instrument with a thin wooden soundboard that is easy to rub string according to claim 1 is characterized in that: described lever arm is to transfer on fixed mount in the top of two motion bars, and two motion bars lay respectively at the both sides of string; Described spring is connected the middle part or the middle front part of motion bar; Be provided with two depression bars that motion bar is affixed in the lower end of motion bar, depression bar is withheld string under the pulling force effect of spring.

4. the bowed stringed instrument with a thin wooden soundboard that is easy to rub string according to claim 3 is characterized in that: be provided with the groove that adapts to string on depression bar.

5. be easy to rub the bowed stringed instrument with a thin wooden soundboard of string according to described any one of claim 1-4, it is characterized in that: described lever arm is hinged on the fixed mount.

6. be easy to rub the bowed stringed instrument with a thin wooden soundboard of string according to described any one of claim 1-4, it is characterized in that: described fixed mount is to be connected with fixed block on the holder that is clamped on the qin bar, and lever arm is transferred on fixed block.

7. be easy to rub the bowed stringed instrument with a thin wooden soundboard of string according to described any one of claim 1-4, it is characterized in that: the spring regulating device that between qin bar and spring, is provided with the adjustable springs degree of tightness.

8. according to claim 7 any one is easy to rub the bowed stringed instrument with a thin wooden soundboard of string, it is characterized in that: described spring regulating device is the adjuster bar that is with U-shaped on the qin bar, and two ends of adjuster bar run through adjustable plate, and spring is fixed on the adjustable plate; Two ends of adjuster bar are provided with screw thread, by the location of nut and screw thread realization adjuster bar and adjustable plate.

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