CN205900077U - Pedal modulation konghou - Google Patents

Abstract

The utility model provides a pedal modulation konghou belongs to konghou technical field, and it includes base and pedal mechanism, pedal mechanism includes running -board and depression bar, depression bar seat, torque spring, spring branch, the base includes base upper plate, base hypoplastron and bottom seat side board, the depression bar includes depression bar anterior segment and depression bar back end, bottom seat side board is provided with L type spout, the depression bar seat sets up in the base upper plate, the both ends of depression bar back end are articulated with the one end of depression bar seat and depression bar anterior segment respectively, and the other end of depression bar anterior segment is located L type spout department, and with the running -board is connected, spring branch sets up in the position of neighbouring depression bar, and torque spring's torsion arm respectively with spring branch and bar connection. This pedal modulation konghou passes through pedal mechanism and sets up in bottom seat side board's L type spout, makes the player after trampling the running -board, and can be with riding the solid change of accomplishing the string tone in corresponding position of integrated circuit board to make things convenient for in player's performance, and improve performing effect.

Description

A kind of foot-operated modulation an ancient plucked stringed instrument

Technical field

The utility model is related to an ancient plucked stringed instrument technical field, in particular to a kind of foot-operated modulation an ancient plucked stringed instrument.

Background technology

An ancient plucked stringed instrument is very ancient bullet stringed musical instrument, in ancient times imperial palace and equal widespread among the people, from the perpendicular an ancient plucked stringed instrument in ancient times, Horizontal ancient plucked stringed instrument, phoenix head an ancient plucked stringed instrument are developed to modern double chord an ancient plucked stringed instrument, wild goose post an ancient plucked stringed instrument, modulation an ancient plucked stringed instrument, structure when incoming and appearance On all make prominent improvement, so that the outward appearance of an ancient plucked stringed instrument is taken on an entirely new look, acoustics and playing skill there has also been tremendous development.

Existing an ancient plucked stringed instrument has an array string, and range is broad, the soft and graceful limpid, expressive force of tone color is strong；But, its presence is following not Foot:

(1) traditional an ancient plucked stringed instrument is during playing, changed using footstep mechanism string tone when because player cannot It is accurately controlled the stepping position of footstep mechanism and lead to transposer inordinate rotation to occur or rotates not enough situation, Jin Erzao String is become to be out of tune；

(2) with the increase of tuning number of times, the capotasto of traditional an ancient plucked stringed instrument can greatly increase the abrasion of string, and string can be made to go out The phenomenon of existing stripped thread；

(3) numeral of traditional an ancient plucked stringed instrument underaction during playing, particularly when being played using pressure sound gimmick, meeting Affect the flexibility played；

(4) footstep mechanism of traditional an ancient plucked stringed instrument, depression bar adopts overall structure, and it makes and installs all considerably complicated, needs Professional is installed；

(5) rear column of traditional an ancient plucked stringed instrument is linear pattern, easy deformation using long；

(6) pull bar of traditional an ancient plucked stringed instrument, when adjusting length, needs to take footstep mechanism apart and just can be operated, quite fiber crops Tired；

(7) linkage of traditional an ancient plucked stringed instrument, the connection between connecting rod and rotating disk is all to be connected using pin, time length Abrasion occurs, in the course of time, connecting rod becomes big so that transposer rotates inaccurately with the fit clearance of pin, so that qin String modified tone after-tones are forbidden.

The not enough appearance of any of the above all can make the music performance of player be affected, and reduces the professional degree table of player Reach.

Utility model content

In order to solve the above problems, the purpose of this utility model is to provide a kind of foot-operated modulation an ancient plucked stringed instrument, so that player It is more prone to play an ancient plucked stringed instrument, improve playing effect.

The technical scheme that the utility model is adopted is:

A kind of foot-operated modulation an ancient plucked stringed instrument, including scroll head, string, qin frame and base；Described scroll head be provided with transposer and The linkage being connected with described transposer；Described base is provided with footstep mechanism, described footstep mechanism pass through pull bar with described Linkage connects, and controls described transposer；Described footstep mechanism includes: pedal and be arranged at the pressure in described base Bar, depression bar seat, torque spring, fulcrum bar of the spring；Described base includes base upper plate, base lower plate and base side plate；Described pressure Bar includes depression bar leading portion and depression bar back segment；Described base side plate is provided with l type chute；

Described depression bar seat is arranged at described base upper plate；One end of described depression bar back segment is hinged with described depression bar seat, described The other end of depression bar back segment is hinged with one end of described depression bar leading portion, and the other end of described depression bar leading portion is located at described l type chute Place, and be connected with described pedal；Described fulcrum bar of the spring is positioned adjacent to the position of described depression bar, and the torsion of described torque spring Arm is connected with described fulcrum bar of the spring and described depression bar respectively；The two ends of described pull bar respectively with described depression bar and described bindiny mechanism Connect.

In playing procedure, when player needs to change string tone, pull bar can be pulled by trampling pedal, and then Drive transposer to rotate by linkage and change string effectual chord length；Meanwhile, depression bar leading portion and depression bar back segment are respectively along phase The direction answered is moved, thus realize depression bar leading portion moving along l type chute, and is fastened in corresponding position, thus being not only convenient for drilling The person of playing operates, it is to avoid player produces fatigue because jamming on pedal for a long time；Meanwhile, it can make string with control accuracy Tone is more accurate, improves playing effect.

When needing foot-operated sheet reset, depression bar leading portion is removed from the card division of l type chute, pedal is in the work of torque spring Position is returned under firmly.

Meanwhile, depression bar is divided into depression bar leading portion and depression bar back segment, such that it is able to reduce installation difficulty, is easy to layman couple It is installed.

Further, described depression bar is provided with pull bar connecting bolt, and is connected with described pull bar by adjusting nut；Described draw Bar connecting bolt and described pull bar are respectively arranged with the external screw thread matching with described adjusting nut, and described pull bar connecting bolt Contrary with the externally threaded direction of rotation of described pull bar.

In order to improve linkage to the accurate adjustment of transposer turned position it is preferable that being provided with corresponding pull bar even Connecting bolt and adjusting nut, and pull bar connecting bolt is provided with the contrary external screw thread of direction of rotation with pull bar, thus being formed Micro-adjusting mechanism, for the length of adjusting yoke, and then makes transposer be in suitably by footstep mechanism, pull bar and linkage Deflection angle, makes the control of string more accurate, improves accuracy in pitch, advantageously in performance；At the same time it can also prevent inordinate rotation And lead to string to snap.

And, the regulation of pull bar length can be done directly by rotating adjusting nut, need not by whole footstep mechanism all Take apart, therefore, it can also make the regulation of pull bar convenient.

Wherein, pull bar connecting bolt is provided with the contrary external screw thread of direction of rotation with pull bar, is so rotating adjusting nut When, pull bar connecting bolt and pull bar can move towards near or mutually deviate from, so that pull bar connecting bolt and pull bar Moving direction is contrary, is conducive to it to adjust operation.

Further, described linkage includes: active rotating disk, driven turntable, connecting rod and transposer rotating disk；Described driven turn Disk is provided with arc chute, and arc chute bends to the direction deviating from described active rotating disk；Described active rotating disk is provided with edge The slide bar that described arc chute slides；Described active rotating disk and described driven turntable rotate the aluminium folder being arranged at described scroll head respectively The inner side of plate；Described active rotating disk is connected with described pull bar, and described slide bar is located in described arc chute, and described slide bar appearance Surface cover is provided with the first sliding sleeve；One end of described connecting rod is hinged with described driven turntable, the other end of described connecting rod and described modified tone Device rotating disk is hinged, and is provided with the second sliding sleeve at each hinged end of described connecting rod；Described transposer rotating disk and described transposer Connect, and control described transposer to rotate.

Existing linkage mainly pulls rotating disk to rotate by pull bar, and then drives the connecting rod being connected with rotating disk to move, The corresponding transposer of transposer driven by rotary disc being arranged on connecting rod is finally made to rotate and change string tone.But, it is being adjusted During section, string modified tone after-tones are made to be forbidden because of rotating disk inordinate rotation.

It is directed to the problems referred to above it is preferable that being improved to existing linkage, wherein, linkage is provided with Corresponding active rotating disk and driven turntable, and be provided with arc chute in driven turntable, and arc chute is to deviating from described active The direction bending of rotating disk；Active rotating disk be provided with can arcuately slide slide bar, thus forming protection mechanism.

When pull bar pulls active rotating disk to rotate, active rotating disk rotates, and drives driven turntable to rotate by slide bar, realizes The regulation of transposer；If active rotating disk inordinate rotation, home will be exceeded when driven turntable rotates, slide bar arcuately chute Slide and no longer drive driven turntable to rotate, play a protective role, such that it is able to effectively prevent driven turntable inordinate rotation and So that string modified tone after-tones is forbidden eventually, therefore, be conducive to that plays to be smoothed out.

Meanwhile, each hinged end of slide bar and arc chute, connecting rod can be prevented by above-mentioned first sliding sleeve and the second sliding sleeve Cause because of direct friction to wear and tear, thus being conducive to extending the service life of each part.

Further, described alclad along described string accordingly setting direction be disposed with string pulling axle, capotasto and Described transposer；Described string pulling axle runs through described alclad, and the two ends of described string pulling axle are located at the both sides of described scroll head respectively； Described capotasto is arranged at the outside of described alclad, and is located at the both sides of the described scroll head position neighbouring with described string pulling axle.

By being disposed through the string pulling axle of alclad, and it is arranged at the capotasto of alclad both sides (not through aluminium folder Plate), the audio of an ancient plucked stringed instrument can be improved, improve playing effect.Wherein, through the one ends wound string of the string pulling axle of alclad, So, can adjust the elastic of string by rotating the other end of string pulling axle, make tuning convenient.

Further, described capotasto includes capotasto main body and the first roller；One end of described capotasto main body and described aluminium folder Plate is affixed, and the other end of described capotasto main body is rotated with described first roller and is connected, and described first roller is circumferentially arranged has First groove.

When player fingers a stringed instrument or pulls regulation string, in order to avoid causing to break to the abrasion of string because of capotasto String is it is preferable that be provided with the first roller in the end of capotasto main body, and circumferentially arranged first groove of the first roller, this Sample, plays position-limiting action to string, so that string is in the first groove, when string pulls or stirs, by the rotation of roller, Thus efficiently avoid the abrasion to string, extend the service life of string.

Further, described qin frame includes: upper beam, rear column, Upright post base, soundboard front-axle beam, front column, grill, soundboard and Many sound beams；

Described Upright post base is arranged on described base upper plate；The bottom of described soundboard front-axle beam and described rear column is fixed respectively On described Upright post base；The top of described rear column is connected with one end of described upper beam, and the other end of described upper beam is by described Grill is connected with the top of described soundboard front-axle beam；Described soundboard and described upper beam, described rear column, described Upright post base, described Soundboard front-axle beam and described grill surround resonant tank；Described sound beam is arranged in described resonant tank, and is located at described soundboard At medial surface；The bottom of described front column is connected with described soundboard front-axle beam, and the top of described front column is connected with described scroll head.

Further, described rear column be shaped as outwardly arc.

The rear column being arranged by arc is so as to the resonant tank being formed is arc-shaped curved surface positioned at the side of rear column, not only Enhance the structural strength of whole qin frame, and also advantageously improve the tonequality of resonant tank, and then improve playing effect.

Further, described soundboard is provided with numeral；Described numeral includes: numeral main body, rolling wheel support and the second roller；Institute State numeral main body to be fixedly arranged on described soundboard, described rolling wheel support is affixed with described numeral main body；Described second roller rotates and sets It is placed on rolling wheel support, and described second roller is circumferentially arranged the second groove.

In order to avoid numeral to the abrasion of string it is preferable that numeral includes numeral main body, rolling wheel support and the second rolling Wheel, the second roller is arranged in numeral main body by rolling wheel support, and the second roller is rotated with rolling wheel support and is connected, and second Circumferentially arranged second groove of roller, so, string is located in the second groove, when stirring or pull string, second roller Rotate, therefore, be effectively prevented from the abrasion to string for the numeral, prevent string from disconnecting, improve the service life of string.

Further, described rolling wheel support is u-shaped rolling wheel support, and is provided with rotating shaft；Described second roller pass through rotating shaft with Described u-shaped rolling wheel support rotates and connects, and described second roller is provided with packing ring towards the two end faces of u-shaped rolling wheel support.

Madial wall in order to avoid the second roller and u-shaped rolling wheel support weares and teares, and is easy to the rotation of the second roller, preferably Ground, is provided with packing ring in roller towards the two end faces of u-shaped rolling wheel support, by packing ring, it is to avoid the second roller is propped up with u-shaped roller Bridge joint touches, thus being conducive to the rotation of roller.

Further, described numeral main body may be selected the sub- main body of solid size, arc bridge type code main body or straight line bridge type code main body.

Foot-operated modulation an ancient plucked stringed instrument provided by the utility model has the advantages that

(1) micro-adjusting mechanism that the pull bar being connected by adjusting nut and pull bar connecting bolt are formed, need not take apart foot-operated Mechanism just to the length of adjusting yoke, and then can adjust the turned position of transposer by bar linkage structure；

(2) depression bar is divided into depression bar leading portion and depression bar back segment, is not only convenient for making, reduces its installation difficulty；

(3) pass through to be formed in the arc chute of driven turntable setting of linkage and the slide bar of active rotating disk setting Protection mechanism, can prevent transposer inordinate rotation from leading to string modified tone after-tones to be forbidden；

(4) pass through the first sliding sleeve and the second sliding sleeve can prevent slide bar and arc chute, each hinged end of connecting rod because directly Rub and cause to wear and tear, thus being conducive to extending the service life of each part；

(5) pass through for rear column to be shaped to outwardly arc, the structural strength of whole qin frame can be improved, And be conducive to playing effect；

(6) the first roller by being arranged in capotasto main body, reduces the abrasion between string and capotasto and avoids string There is stripped thread, extend the service life of string；

(7) the second roller by being arranged in numeral main body, can increase the flexibility pressing string when playing.

Brief description

Fig. 1 is the structural representation of the foot-operated modulation an ancient plucked stringed instrument described in embodiment；

Fig. 2 is the structural representation of the base described in embodiment；

Fig. 3 is the internal structure schematic diagram of the base described in embodiment；

Fig. 4 is the structural representation of the footstep mechanism described in embodiment；

Fig. 5 is the structural representation of the scroll head described in embodiment；

Fig. 6 is the upward view of Fig. 5；

Fig. 7 is the internal structure schematic diagram of the scroll head described in embodiment；

Fig. 8 is the structural representation of the linkage described in embodiment；

Fig. 9 is the structural representation of the string pulling axle described in embodiment and capotasto；

Figure 10 is the sectional view of the capotasto described in embodiment；

Figure 11 is the sectional view of the qin frame described in embodiment；

Figure 12 is the structural representation of the soundboard described in embodiment；

Figure 13 is the structural representation of the numeral described in embodiment；

Figure 14 is the structural representation of the arc bridge type code main body described in embodiment；

Figure 15 is the structural representation of the straight line bridge type code main body described in embodiment.

In figure is labeled as:

Scroll head 1, string 2, qin frame 3, base 4, string pulling axle 5, capotasto 6, transposer 7, alclad 8, spacing bar 9, connecting rod machine Structure 10, connecting rod 11, transposer rotating disk 12, driven turntable 13, active rotating disk 14, pull bar connector 15, pull bar 16, pan head screw 17, the first roller 18, capotasto main body 19, aluminium quarter bend 20, grill 21, front column 22, soundboard front-axle beam 23, Upright post base 24, upper beam 25, rear column 26, string hanging plate 27, soundboard 28, sound beam 29, numeral 30, the second roller 31, packing ring 32, roller shaft 33, rolling wheel support 34, adhesive layer 35, alignment pin 36, numeral main body 37, arc bridge type code main body 38, idler wheel mechanism 39, straight line bridge type code main body 40, pedal 47, torque spring 48, fulcrum bar of the spring 49, pull bar connecting bolt 50, base side plate 51, depression bar leading portion 52, depression bar is even Pin nail 53, depression bar back segment 54, rotating bolt 55, depression bar seat 56, base backing plate 57, base upper plate 58, base lower plate 59, qin pin 60, adjusting nut 61, depression bar rubber gasket 62.

Specific embodiment

Purpose, technical scheme and advantage for making the utility model embodiment are clearer, new below in conjunction with this practicality Accompanying drawing in type embodiment, is clearly and completely described it is clear that being retouched to the technical scheme in the utility model embodiment The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally described in accompanying drawing herein and The assembly of the utility model embodiment illustrating can be arranged with various different configurations and design.

Therefore, below requirement is not intended to limit to the detailed description of the embodiment of the present utility model providing in the accompanying drawings The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all Belong to the scope of the utility model protection.

It should also be noted that similar label and letter expression similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then do not need it to be defined further and explains in subsequent accompanying drawing.

Embodiment

As shown in figures 1-13, present embodiments provide a kind of foot-operated modulation an ancient plucked stringed instrument, comprising: scroll head 1, string 2, qin frame 3 And base 4.

Scroll head 1 is provided with alclad 8, and alclad 8 is disposed with string pulling axle 5, string along the setting direction of corresponding string 2 Pillow 6 and transposer 7；String pulling axle 5 runs through alclad 8 and scroll head 1, and the two ends of string pulling axle 5 are located at the both sides of scroll head 1 respectively； Capotasto 6 is arranged at the outside of alclad 8, and is located at the both sides of scroll head 1 position neighbouring with string pulling axle 5.

It is provided with the spacing bar 9 for determining two alclad 8 spacing between alclad 8 and is connected with transposer 7, and control The linkage 10 that transposer 7 processed rotates；Base 4 is provided with footstep mechanism, and footstep mechanism passes through pull bar 16 and linkage 10 Connecting, and control transposer 7 to rotate, thus adjusting the effectual chord length of string 2, reaching the effect changing tone.

Footstep mechanism includes: pedal 47 and be arranged at depression bar in base 4, depression bar seat 56, torque spring 48, spring Pole 49.

Base 4 includes: base upper plate 58, base lower plate 59 and base side plate 51；Described base side plate 51 is provided with l type Chute.

Described depression bar includes: depression bar leading portion 52 and depression bar back segment 54.

Depression bar seat 56 is arranged at base upper plate 58；One end of depression bar back segment 54 is rotated by rotating bolt 55 with depression bar seat 56 Connect, the setting direction of rotating bolt 55, parallel to base lower plate 59, makes depression bar back segment 54 flat perpendicular to base lower plate 59 Move in face；The other end of depression bar back segment 54 passes through depression bar connecting pin 53 rotation with one end of depression bar leading portion 52 and is connected, depression bar The setting direction of connecting pin 53, perpendicular to base lower plate 59, makes depression bar leading portion 52 move in the plane parallel to base lower plate 59 Dynamic.

The other end of depression bar leading portion 52 is located at l type chute, and is connected with pedal 47；Wherein, depression bar leading portion can be along l type Slide, and complete screens；Fulcrum bar of the spring 49 is positioned adjacent to the position of depression bar leading portion 52, and two torsions of torque spring 48 Arm is connected with fulcrum bar of the spring 49 and depression bar leading portion 52 respectively；The two ends of pull bar 16 are connected with depression bar back segment 54 and bindiny mechanism respectively Connect.

Depression bar back segment 54 is provided with pull bar connecting bolt 50, and is connected with pull bar 16 by adjusting nut 61；Pull bar connects Bolt 50 and pull bar 16 bottom part are respectively arranged with the external screw thread matching with adjusting nut 61, and pull bar connecting bolt 50 with The externally threaded direction of rotation of pull bar 16 bottom part is contrary, as such, it is possible to by rotating adjusting nut 61, making pull bar 16 and draw The relative two ends of bar connecting bolt 50 move in or out simultaneously, so that the length of pull bar 16 is effectively adjusted.

During modified tone, in order to avoid making transposer that string 2 to snap because of rotating disk inordinate rotation it is preferable that above-mentioned Linkage 10 includes: active rotating disk 14, driven turntable 13, connecting rod 11 and transposer rotating disk 12；Driven turntable 13 is provided with arc Shape chute, and arc chute is to the direction bending deviating from active rotating disk 14；Active rotating disk 14 is provided with arcuately slide Slide bar；Active rotating disk 14 and driven turntable 13 rotate the inner side of the alclad 8 being arranged at scroll head 1 respectively；Active rotating disk 14 passes through Pull bar connector 15 is connected with the top of pull bar 16, and slide bar is located in arc chute, and slide bar outer surface is arranged with the first sliding sleeve, Avoid slide bar, with arc chute, direct friction occurs；One end of connecting rod 11 is hinged with driven turntable 13, the other end of connecting rod 11 with Transposer rotating disk 12 is hinged, and is provided with the second sliding sleeve at each hinged end of connecting rod, and the second sliding sleeve is sheathed on as articulated elements Pin outside, it is to avoid the hinge hole at pin and hinged end is because of long-term direct friction, and makes its fit clearance become big, shadow Ring the degree of regulation to accuracy in pitch for the transposer；Transposer rotating disk 12 is connected with transposer 7, and controls transposer 7 to rotate.

Meanwhile, in order to avoid capotasto 6 to the abrasion of string 2 it is preferable that above-mentioned capotasto 6 includes: capotasto main body 19 and One roller 18；One end of capotasto main body 19 is affixed with alclad 8, and the other end of capotasto main body 19 and the first roller 18 rotate even Connect, and limit the position of the first roller 18 by pan head screw 17, place the first roller 18 and skid off capotasto during rotating Main body 19, and the setting direction of capotasto main body 19 and pan head screw 17 is perpendicular to the side of alclad 8, the first roller 18 is circumferentially It is provided with the first groove, so that string 2 is located in the first groove, so avoided to string 2 by rotating the first roller 18 arranging Abrasion.

Above-mentioned qin frame 3 includes: upper beam 25, rear column 26, Upright post base 24, soundboard front-axle beam 23, front column 22, grill 21, Soundboard 28 and Duo Gen sound beam 29.

Upright post base 24 is arranged at the inner surface of base upper plate 58；The bottom of soundboard front-axle beam 23 and rear column 26 is fixedly arranged on respectively On Upright post base 24；The top of rear column 26 is connected with one end of upper beam 25, and the other end of upper beam 25 passes through grill 21 and soundboard The top of front-axle beam 23 connects；Soundboard 28 is surrounded with upper beam 25, rear column 26, Upright post base 24, soundboard front-axle beam 23 and grill 21 Resonant tank；Sound beam 29 is arranged in resonant tank, and at the medial surface of soundboard 28, soundboard 28 is played a supporting role；Front vertical The bottom of post 22 is connected with soundboard front-axle beam 23, and the top of front column 22 is connected with described scroll head 1, and the outside of rear column 26 is provided with String hanging plate 27, is used for fixing string 2.

Wherein, it is provided with the aluminium quarter bend 20 for arranging pull bar 16 in front column 22, be so easy to the setting of pull bar 16；And And in order to improve the structural strength of qin frame and the tonequality of resonant tank, rear column 26 is set to outwardly arc, so that Obtaining resonant tank positioned at the side of rear column 26 is arc-shaped curved surface.

Above-mentioned soundboard 28 is provided with numeral 30, in order to avoid numeral 30 to the abrasion of string 2 it is preferable that numeral 30 includes: Numeral main body 37 and idler wheel mechanism 39,；Idler wheel mechanism 39 includes rolling wheel support 34 and the second roller 31；Numeral main body 37 is fixed On soundboard 28, rolling wheel support 34 is fixedly installed in numeral main body 37 by alignment pin 36；Second roller 31 passes through roller shaft 33 rotate and are arranged on rolling wheel support 34, and the second roller 31 is circumferentially arranged the second groove, and string 2 is located at the second groove Interior, reduce the friction of string 2 and numeral 30 by rotating the second roller 31 arranging.

Wherein, rolling wheel support 34 be u-shaped rolling wheel support, and the second roller 31 towards u-shaped rolling wheel support both ends of the surface Place is provided with packing ring 32, to reduce the friction of the second roller 31 and rolling wheel support 34；Meanwhile, rolling wheel support 34 and numeral main body 37 Joint face be also provided with adhesive layer 35, the stability fixing preferably to improve rolling wheel support 34.

As shown in FIG. 14 and 15, the sub- main body of optional solid size of the numeral main body 37 in the present embodiment, arc bridge type code master Body 38 or straight line bridge type code main body 40.

Base 4 in the present embodiment is additionally provided with base backing plate 57 with the connection end of qin frame 3, thus be convenient to qin frame 3 with Base 4 affixed.

The bottom of the base 4 in the present embodiment is additionally provided with qin pin 60, in order to improve the steady of foot-operated modulation an ancient plucked stringed instrument placement Qualitative；And, correspond to the sheathed depression bar rubber gasket 62 in position of l type chute in depression bar leading portion 52, it is to avoid depression bar leading portion is along l Clash into the medial surface of l type chute during type slide.

The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for this For the technical staff in field, the utility model can have various modifications and variations.All of the present utility model spirit and principle Within, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.

Claims (10)

1. a kind of foot-operated modulation an ancient plucked stringed instrument, including scroll head, string, qin frame and base；Described scroll head be provided with transposer and with The linkage that described transposer connects；Described base is provided with footstep mechanism, and described footstep mechanism passes through pull bar and described company Linkage connects, and controls described transposer；It is characterized in that, described footstep mechanism includes: pedal and be arranged at described Depression bar in base, depression bar seat, torque spring, fulcrum bar of the spring；Described base includes base upper plate, base lower plate and base side Plate；Described depression bar includes depression bar leading portion and depression bar back segment；Described base side plate is provided with l type chute；

Described depression bar seat is arranged at described base upper plate；One end of described depression bar back segment is hinged with described depression bar seat, described depression bar The other end of back segment is hinged with one end of described depression bar leading portion, and the other end of described depression bar leading portion is located at described l type chute, and It is connected with described pedal；Described fulcrum bar of the spring is positioned adjacent to the position of described depression bar, and the torque arm of described torque spring is divided It is not connected with described fulcrum bar of the spring and described depression bar；The two ends of described pull bar are connected with described depression bar and described bindiny mechanism respectively Connect.

2. foot-operated modulation an ancient plucked stringed instrument according to claim 1 is it is characterised in that described depression bar is provided with pull bar connecting bolt, And be connected with described pull bar by adjusting nut；Described pull bar connecting bolt and described pull bar are respectively arranged with and described regulation spiral shell The external screw thread of parent phase coupling, and described pull bar connecting bolt is contrary with the externally threaded direction of rotation of described pull bar.

3. foot-operated modulation an ancient plucked stringed instrument according to claim 1 and 2 is it is characterised in that described linkage includes: actively turns Disk, driven turntable, connecting rod and transposer rotating disk；Described driven turntable is provided with arc chute, and arc chute is described to deviating from The direction bending of active rotating disk；Described active rotating disk is provided with the slide bar sliding along described arc chute；Described active rotating disk and Described driven turntable rotates the inner side of the alclad being arranged at described scroll head respectively；Described active rotating disk is connected with described pull bar, Described slide bar is located in described arc chute, and described slide bar outer surface is arranged with the first sliding sleeve；One end of described connecting rod and institute State that driven turntable is hinged, the other end of described connecting rod is hinged with described transposer rotating disk and equal at each hinged end of described connecting rod It is provided with the second sliding sleeve；Described transposer rotating disk is connected with described transposer, and controls described transposer to rotate.

4. foot-operated modulation an ancient plucked stringed instrument according to claim 3 is it is characterised in that described alclad is along described string accordingly Setting direction is disposed with string pulling axle, capotasto and described transposer；Described string pulling axle runs through described alclad, and described draws The two ends of peg are located at the both sides of described scroll head respectively；Described capotasto is arranged at the outside of described alclad, and is located at described qin The both sides position neighbouring with described string pulling axle of head.

5. foot-operated modulation an ancient plucked stringed instrument according to claim 4 is it is characterised in that described capotasto includes capotasto main body and first Roller；One end of described capotasto main body is affixed with described alclad, and the other end of described capotasto main body is turned with described first roller It is dynamically connected, and described first roller is circumferentially arranged the first groove.

6. foot-operated modulation an ancient plucked stringed instrument according to claim 1 and 2 is it is characterised in that described qin frame includes: upper beam, rear column, Upright post base, soundboard front-axle beam, front column, grill, soundboard and Duo Gen sound beam；

Described Upright post base is arranged on described base upper plate；The bottom of described soundboard front-axle beam and described rear column is fixedly arranged on institute respectively State on Upright post base；The top of described rear column is connected with one end of described upper beam, and the other end of described upper beam passes through described sound hole Plate is connected with the top of described soundboard front-axle beam；Described soundboard and described upper beam, described rear column, described Upright post base, described soundboard Front-axle beam and described grill surround resonant tank；Described sound beam is arranged in described resonant tank, and is located at the inner side of described soundboard At face；The bottom of described front column is connected with described soundboard front-axle beam, and the top of described front column is connected with described scroll head.

7. foot-operated modulation an ancient plucked stringed instrument according to claim 6 is it is characterised in that being shaped as of described rear column is outwardly Arc.

8. foot-operated modulation an ancient plucked stringed instrument according to claim 6 is it is characterised in that described soundboard is provided with numeral；Described numeral Including: numeral main body, rolling wheel support and the second roller；Described numeral main body is fixedly arranged on described soundboard, described rolling wheel support with Described numeral main body is affixed；Described second roller rotates and is arranged on rolling wheel support, and described second roller is circumferentially arranged has Second groove.

9. foot-operated modulation an ancient plucked stringed instrument according to claim 8 it is characterised in that described rolling wheel support be u-shaped rolling wheel support, and It is provided with rotating shaft；Described second roller passes through the rotation of rotating shaft and described u-shaped rolling wheel support and is connected, and described second roller is towards u The two end faces of type rolling wheel support are provided with packing ring.

10. foot-operated modulation an ancient plucked stringed instrument according to claim 9 is it is characterised in that described numeral main body may be selected solid size master Body, arc bridge type code main body or straight line bridge type code main body.