CN2770037Y

CN2770037Y - Vertical mechanical digital piano throw-percussion machine system

Info

Publication number: CN2770037Y
Application number: CN 200420103492
Authority: CN
Inventors: 杨国定
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-12-24
Filing date: 2004-12-24
Publication date: 2006-04-05
Anticipated expiration: 2014-12-24

Abstract

The utility model discloses a vertical mechanical digital piano throw-percussion machine system. An interlocking bar (5) is connected with a piano key (1) through two vertical upward screws (6) of which the lower ends are fixed on the tail end face of the piano key (1), and springs (7) are sheathed on the screws (7). A balance weight ring (3) is inlaid on a clamping handle (14) which is connected with a middle drum (2) of a rotating percussion device, and the balance weight ring (3) is an O-shaped balance weight lead ring. The utility model solves the problem of simplifying the structure of the vertical mechanical digital piano throw-percussion machine system, and has the advantages of simple and reasonable structure, convenient operation and maintenance, etc. The utility model is widely suitable for universal education of different music and amusement.

Description

A kind of vertical mechanical digital piano throw-percussion machine system

Technical field the utility model relates to a kind of vertical mechanical digital piano throw-percussion machine system, more particularly, relates to the throw-percussion machine system that is used for substituting original hammered string instrument system in a kind of vertical mechanical digital piano.

Background technology in the prior art, the movement of vertical mechanical digital piano-" hammered string instrument " hits parts such as device, damper and regulator by total shelves, back of the body shelves, support, clutch, commentaries on classics to be formed, its complex structure and manufacture craft bother, thereby need improvement.

The summary of the invention the purpose of this utility model is to provide a kind of throw-percussion machine system that is used for substituting original hammered string instrument system of simple in structure, easy operating.

In order to achieve the above object, the utility model provides following technical scheme: design a kind of vertical mechanical digital piano throw-percussion machine system, comprise clutch, change and hit device and the fixing total shelves (9) that hit device that change, clamping handle (14), push rod (10), contract and transfer device (11) and pressure pin (12), it is the mechanical linkage system of piano, the gangbar of described clutch (5) links to each other with key (1) by two screws (6) vertically upward, the lower end of screw (6) is fixed on the breech face of key (1), be with spring (7) on the screw (6), hit on the clamping handle (14) that drum (2) links to each other in the device with commentaries on classics and be inlaid with counterweight ring (3).

More particularly, this " throw-percussion machine system " carries out substantial improvements to original hammered string instrument, optimized and thrown the structure of hitting machine: at first, simplified original clutch, directly the gangbar (5) (promptly adopting lattice) with clutch is fixed on the breech face of key (1) by the screw (6) of being with spring (7), thereby key holder post (24) (being bail) and gangbar pedestal (25) have been saved, and owing to adopted screw (6), gangbar (5) is adjustable with the distance of key (1), can suitably regulate the height of gangbar (5) as required, general scalable 5mm simultaneously, need not original clutch spoon nail (26) and clutch and climbs buckle (27); Be inlaid with counterweight ring (3) owing to hitting on the clamping handle (14) that drum (2) links to each other in the device with commentaries on classics, save old-fashioned commentaries on classics and hit device and collude spring (21), change and to hit device and collude rope (22) and commentaries on classics and hit device and climb band (23), use counterweight ring (3) afterwards can overcome the frictional resistance of hammerhead owing to itself gravity and reset naturally; Owing to throw the aforesaid function and the effect conversion of the machine that hits, used this throwing to hit machine after, need not to use the damper of original " hammered string instrument " system.In addition, levy vertical mechanical digital piano, the utility model uses as its mechanical linkage system, be combination with digital piano, have throw-percussion machine system and the electric signal sample circuit plate corresponding with each key pronouncing frequency, circuit comprises sounding circuit, power amplifier, control circuit and pronunciation circuit, has then constituted complete " machine sign indicating number piano ".So-called " machine sign indicating number piano ", the inventor fully discloses its technical scheme in patented claim 200420044603.3.

The employed counterweight ring of the utility model (3) is O shape counterweight lead ring preferably, and it is than great, and upward structure is firm to be embedded in clamping handle (14), and result of use is better.

Compared with prior art, the utlity model has simple in structure, use and advantage such as easy to maintenance, the both complete various telotisms that kept original vertical mechanical digital piano " hammered string instrument " reproduce, and also further simplify in structure and manufacture craft, can be widely used in the mechanical digital piano.

Be description of drawings of the present utility model below the description of drawings:

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

Fig. 2 is that drum (2) side-looking structural representation in the device is hit in commentaries on classics of the present utility model;

Fig. 3 is a clutch side-looking structural representation of the present utility model;

Fig. 4 is original hammered string instrument system architecture synoptic diagram.

In Fig. 1～4, the 1st, key, the 2nd, change and hit drum in the device, the 3rd, the counterweight ring, the 4th, change and hit device axle nail, the 5th, the gangbar of clutch, the 6th, screw, 7 springs, the 8th, hammer handle shelves, the 9th, total shelves, the 10th, push rod, the 11st, the accent device that contracts, the 12nd, pressure pin, the 13rd, hammer handle, the 14th, clamping handle.

Among Fig. 4, the 21st, commentaries on classics is hit device and is colluded spring, and the 22nd, commentaries on classics is hit device and is colluded rope, and the 23rd, commentaries on classics is hit device and is climbed band, and the 24th, key holder post, the 25th, the clutch pedestal, the 26th, clutch spoon nail, the 27th, clutch is climbed buckle.

By specific embodiment the utility model is carried out more detailed description below the embodiment:

With reference to Fig. 1～3, vertical mechanical digital piano throw-percussion machine system, comprise clutch, change and to hit device and fixingly change total shelves (9), clamping handle (14), the push rod (10) that hit device, contract and transfer device (11) and pressure pin (12), the gangbar of clutch (5) links to each other with key (1) by two screws (6) vertically upward, the lower end of screw (6) is fixed on the breech face of key (1), be with spring (7) on the screw (6), hit in the device on the clamping handle (14) that drum (2) links to each other with commentaries on classics and to be inlaid with counterweight ring (3), counterweight ring (3) is an O shape counterweight lead ring.

With reference to Fig. 1,4, compare with Fig. 4, Fig. 1 has simplified original clutch, directly the gangbar (5) (promptly adopting lattice) with clutch is fixed on the breech face of key (1) by the screw (6) of being with spring (7), has saved key holder post (24) (being bail) and gangbar pedestal (25) shown in Figure 4, and owing to adopted screw (6), simultaneously, there are not original clutch spoon nail (26) and clutch to climb buckle (27); Be inlaid with counterweight ring (3) owing to hitting on the clamping handle (14) that drum (2) links to each other in the device with commentaries on classics, save old-fashioned commentaries on classics and hit device and collude spring (21), change and to hit device and collude rope (22) and commentaries on classics and hit device and climb band (23), use counterweight ring (3) afterwards can overcome the frictional resistance of hammerhead owing to itself gravity and reset naturally.

With Fig. 1～3 and Fig. 4 contrast, principle of work of the present utility model and existing hammered string instrument principle of work are summarized as follows:

Among Fig. 4, the commentaries on classics of existing vertical mechanical digital piano is hit device and is colluded rope (22) and commentaries on classics and hit device and collude the tension force that the acting in conjunction of spring (21) produces down, overcome to change and hit that drum (2) frictional resistance when resetting helps to reset in the device, change and to hit device and climb band (23) and climb the commentaries on classics of buckle (27) formation with clutch and hit device, web member between the clutch, guarantee the coordinated operation between the two, and among Fig. 2, the effect of the counterweight ring (3) of clamping handle (14) is: hit when commentaries on classics and rouse (2) in the device when turning to maximum position, the gravity vertical of counterweight ring (3) is positioned at all the time changes the left side hits device axle nail (4), and the moment that the gravity of counterweight ring (3) produces helps to change hits that drum (2) resets rapidly in the device; Among Fig. 4, the effect of clutch pedestal (25) is that an end of whole clutch is fixed on total shelves (9), the gangbar (5) of clutch is rotated flexibly, and among Fig. 3, gangbar (5) is fixed on the breech face of key (1) by the screw (6) of band spring (7), the effect of spring (7) is that its enough big tension force guarantees that gangbar (5) and key (1) keep suitable distance, the effect of screw (6) is to guarantee that gangbar (5) can be as required, will be highly suitably about up-down adjustment 5mm by set screw (6), among Fig. 1, the key of piano (1) is under the effect of finger strength, the gangbar (5) that its tail end drives clutch produces lifting force upwards, promote to change and to hit in the device drum (2) and rotate and hit device axle nail (4) and rotate, finish the action of throwing hammer handle (13) at last, hammer handle (13) is under the barrier effect of hammer handle shelves (8), produce a restoring force, under the effect of counterweight ring (3), produce a gravitational torque simultaneously, help system resets rapidly, and carries out sufficient preparation for throw hammer next time.

Claims

1, a kind of vertical mechanical digital piano throw-percussion machine system, comprise clutch, change and to hit device and fixingly change total shelves (9), clamping handle (14), the push rod (10) that hit device, contract and transfer device (11) and pressure pin (12), it is the mechanical linkage system of piano, it is characterized in that: the gangbar of clutch (5) links to each other with key (1) by two screws (6) vertically upward, the lower end of screw (6) is fixed on the breech face of key (1), be with spring (7) on the screw (6), hit on the clamping handle (14) that drum (2) links to each other in the device with commentaries on classics and be inlaid with counterweight ring (3).

2, throw-percussion machine system according to claim 1 is characterized in that: counterweight ring (3) is an O shape counterweight lead ring.