CN203982781U - Key formula electricity string qin - Google Patents

Abstract

Key formula electricity string qin, comprises the bow unit in casing, key unit and phonation unit; Described bow unit is arranged on box house left side, bow unit comprises power supply unit, motor, cylinder and horse hair, cylinder is provided with two, be set up in parallel, between two cylinders, be arranged with ring-band shape horse hair, horse hair is positioned at the centre position of cylinder, and two cylinders are in transmission connection by two syncmotors respectively, and syncmotor is connected with power supply unit; Described key unit is three layers of close-connected panel construction, and described phonation unit comprises soundboard, bridge, string and fingerboard.The utility model is very smooth convenience in the time playing, and just can play out non-electronic synthetic natural string music by keyboard, dulect.

Description

Key formula electricity string qin

Technical field

The utility model relates to a kind of stringed musical instrument, is specially key formula electricity string qin.

Background technology

Stringed musical instrument is an important branch in musical instrument family, and in classical music and even modern light music, nearly all lyric melody is all played by string music part.Visible, soft and graceful, interesting to listen to is the common trait of all stringed musical instruments.The tone color of stringed musical instrument is unified, has multi-level expressive force: surge impassioned when (instrumental) ensemble, when solo, tenderness is graceful and restrained, again because of the changeable bowing of horn of plenty (quiver, broken, dial, jump, etc.) and there is agile color, and keyboard instrument is to have to arrange as the musical instrument general name of the key of fingerboard, on these musical instruments, each key has fixing pitch, therefore all can be in order to play any melody meeting within the scope of its range, under key, often there are resonance tube or other can be for the device of sympathetic response, concert performer is not that direct idiophonic string produces concussion when with keyboard instrument, but use key, produce sound equipment by the mechanical mechanism in musical instrument or electronic package, with respect to other musical instrument families, there is incomparable advantage, its broad range and the ability that can simultaneously send multiple musical sounds.But in the market except electronics audio mixing, seldom have the stringed musical instrument of playing in the mode of keyboard, at this on the one hand, a kind of keyboard instrument that can play out strings sound is urgently produced and applies.

Utility model content

The purpose of this utility model is to provide a kind of key formula electricity string qin that just can play out non-electronic synthetic natural string music by keyboard, to avoid the weak point in background technology.

For achieving the above object, the utility model provides following technical scheme:

Key formula electricity string qin, comprises the bow unit in casing, key unit and phonation unit, described bow unit is arranged on box house left side, bow unit comprises power supply unit, motor, cylinder and horse hair, cylinder is provided with two, be set up in parallel, between two cylinders, be arranged with ring-band shape horse hair, horse hair is positioned at the centre position of cylinder, and two cylinders are in transmission connection by two syncmotors respectively, and syncmotor is connected with power supply unit, described key unit is three layers of close-connected panel construction, specifically comprises: mobilizable key, movable component movable up and down, spring assembly and motor trigger office, the upper strata of key unit comprises the key that several are set up in parallel, be provided with through the coupling shaft key of key and can rotate around coupling shaft at key tail end, the middle level of key unit is that the motor being connected with power supply unit triggers office, motor triggers the sheet metal up and down that office is one group of pressing contact, upper sheet metal and movable component movable up and down, lower sheet metal is fixedly connected with the middle level of key unit, the lower floor of key unit comprises movable component and spring assembly, the upper end of movable component is connected with the bottom of key, the bottom of movable component is fixedly connected with presses string arm, on movable component, be provided with spring assembly, described phonation unit comprises soundboard, bridge, string and fingerboard, wherein, soundboard is arranged on bottom half, and fingerboard is fixed on soundboard, is fixed with string at fingerboard middle part, the two ends of string are connected with a pair of accuracy in pitch adjuster bar that is distributed in casing left side and right side respectively, and accuracy in pitch adjuster bar is provided with a pair of altogether, and wherein, string and horse hair in bow unit are mutual vertical and contact with each other in position, between string and soundboard, be provided with bridge, the lower end of bridge is fixed on soundboard, and upper end supports string.

Compared with prior art, usefulness of the present utility model is: the utility model combines the tone color of stringed instrument and the keyboard of keyboard instrument, this has comprised its nine keys heptachord and has fallen all naturetones of the large tune of E, and the five-tone scale of C business, C angle, C plumage mode; The utility model is in the time playing, press down key by finger, promote movable component and move down, when string is pressed in fingerboard by the pressure string arm that is fixed on movable component below, two sheet metals that motor triggers office also will contact simultaneously, and starter motor drives the horse hair on cylinder.The friction of horse hair and string causes string sounding and amplifies by soundboard.Different keys can allow different pressure string arms contact with string, and this section of string from this contact point to bridge is can audible segment, and difference that can sounding length has caused different pitches; The utility model is very smooth convenience in the time playing, and just can play out non-electronic synthetic natural string music by keyboard, dulect.

Brief description of the drawings

Fig. 1 is the one-piece construction schematic diagram of the utility model key formula electricity string qin.

Fig. 2 is plan structure schematic diagram of the present utility model.

Fig. 3 is backsight structural representation of the present utility model.

Fig. 4 is the side-looking structural representation of utility model.

In figure: 1-key, 2-motor triggers office, 3-movable component, 4-coupling shaft, 5-spring assembly, 6-presses string arm, 7-fingerboard, 8-accuracy in pitch adjuster bar, 10-string, 11-bridge, 12-soundboard, 13-power supply unit, 14-motor, 15-horse hair, 16-cylinder.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.

Key formula electricity string qin as shown in Figure 1 and Figure 2, key formula electricity string qin, comprises the bow unit in casing, key unit and phonation unit, described bow unit is arranged on box house left side, bow unit comprises power supply unit 13, motor 14, cylinder 16 and horse hair 15, cylinder 16 is provided with two, be set up in parallel, two 16, cylinders are arranged with ring-band shape horse hair 15, horse hair is positioned at the centre position of cylinder 16, and two cylinders 16 are in transmission connection by two syncmotors 14 respectively, and syncmotor 14 is connected with power supply unit 13, described key unit is three layers of close-connected panel construction, specifically comprises: mobilizable key 1, movable component movable up and down 3, spring assembly 5 and motor trigger office 2, the upper strata of key unit comprises the key 1 that several are set up in parallel, be provided with through coupling shaft 4 keys 1 of key 1 and can rotate around coupling shaft 4 at key 1 tail end, the middle level of key unit is that the motor being connected with power supply unit triggers office 2, motor triggers the sheet metal up and down that office 2 is one group of pressing contact, upper sheet metal and movable component movable up and down 3, lower sheet metal is fixedly connected with the middle level of key unit, the lower floor of key unit comprises movable component 3 and spring assembly 5, the upper end of movable component 3 is connected with the bottom of key 1, the bottom of movable component 3 is fixedly connected with presses string arm 6, on movable component 3, be provided with spring assembly 5, described phonation unit comprises soundboard 12, bridge 11, string 10 and fingerboard 7, wherein, soundboard 12 is arranged on bottom half, and fingerboard 7 is fixed on soundboard 12, is fixed with string 10 at fingerboard 7 middle parts, the two ends of string 10 are connected with a pair of accuracy in pitch adjuster bar 8 that is distributed in casing left side and right side respectively, and accuracy in pitch adjuster bar 8 is provided with a pair of altogether, and wherein, string 10 and horse hair 15 in bow unit are mutual vertical and contact with each other in position, between string 10 and soundboard 12, be provided with bridge 11, the lower end of bridge 11 is fixed on soundboard 12, and upper end supports string 10.

In the utility model, key 1 is provided with nine keys, respectively corresponding [E falls in C, D, F, A, falls in G, falls B, C, D], and these 9 sounds have comprised heptachord and have fallen all naturetones of the large tune of E, and the five-tone scale of C business, C angle, C plumage mode.The position of each movable component and pressure string arm 6 is to calculate with corresponding length twelve-tone equal temperament according to the frequency of these 9 sounds (Hz), accuracy in pitch when empty string is defaulted as the C of 261.6Hz(central authorities), will definitely be to realize the transposition of overall pitch by adjusting empty-chord sound.

In the time playing, press down key 1 by finger, promoting movable component 3 moves down, when string 10 is pressed in fingerboard 7 by the pressure string arm 6 that is fixed on movable component 3 belows, two sheet metals that motor triggers office 2 also will contact simultaneously, starter motor 14 drives the horse hair 15 on cylinder 16, horse hair 15 causes string 10 sounding and amplifies by soundboard 12 with the friction of string 10, different keys 1 can allow different pressure string arms 6 contact with string 10,10 of this section of strings from this contact point to bridge 11 are can audible segment, and difference that can sounding length has caused different pitches.

To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the utility model.Any Reference numeral in claim should be considered as limiting related claim.

In addition, be to be understood that, although this instructions is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should make instructions as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.

Claims (1)

1. key formula electricity string qin, is characterized in that: comprise the bow unit in casing, key unit and phonation unit, described bow unit is arranged on box house left side, bow unit comprises power supply unit (13), motor (14), cylinder (16) and horse hair (15), cylinder (16) is provided with two, be set up in parallel, between two cylinders (16), be arranged with ring-band shape horse hair (15), horse hair is positioned at the centre position of cylinder (16), and two cylinders (16) are in transmission connection by two syncmotors (14) respectively, and syncmotor (14) is connected with power supply unit (13), described key unit is three layers of close-connected panel construction, specifically comprises: mobilizable key (1), movable component movable up and down (3), spring assembly (5) and motor trigger office (2), the upper strata of key unit comprises several keys being set up in parallel (1), be provided with through coupling shaft (4) key (1) of key (1) and can rotate around coupling shaft (4) at key (1) tail end, the middle level of key unit is that the motor being connected with power supply unit triggers office (2), motor triggers the sheet metal up and down that office (2) is one group of pressing contact, upper sheet metal and movable component movable up and down (3), lower sheet metal is fixedly connected with the middle level of key unit, the lower floor of key unit comprises movable component (3) and spring assembly (5), the upper end of movable component (3) is connected with the bottom of key (1), the bottom of movable component (3) is fixedly connected with presses string arm (6), on movable component (3), be provided with spring assembly (5), described phonation unit comprises soundboard (12), bridge (11), string (10) and fingerboard (7), wherein, soundboard (12) is arranged on bottom half, and it is upper that fingerboard (7) is fixed on soundboard (12), is fixed with string (10) at fingerboard (7) middle part, the two ends of string (10) are connected with a pair of accuracy in pitch adjuster bar (8) that is distributed in casing left side and right side respectively, accuracy in pitch adjuster bar (8) is provided with a pair of altogether, wherein, string (10) and horse hair (15) in bow unit are mutually vertical and contact with each other in position, between string (10) and soundboard (12), be provided with bridge (11), it is upper that the lower end of bridge (11) is fixed on soundboard (12), and upper end supports string (10).