CN2483799Y

CN2483799Y - Tunning instrument for double bass

Info

Publication number: CN2483799Y
Application number: CN 01225115
Authority: CN
Inventors: 林瑞荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-06-01
Filing date: 2001-06-01
Publication date: 2002-03-27
Anticipated expiration: 2011-06-01

Abstract

The utility model relates to a string adjusting device of music instruments, which comprises a bottom frame (1) and a string shaft (7), wherein the string shaft is arranged on the bottom frame and can be rotated on the bottom frame. The string adjusting device is characterized in that the bottom frame is provided with an adjusting rod (4) through a fixed frame (9), a press adjusting screw bolt (5) is arranged in the fixed frame, and one end of the string shaft is connected with a toothed worm gear (2). The toothed worm gear is movably contacted with the adjusting rod, the adjusting rod is provided with at least more than two wedge grooves (8) matched with the toothed worm gear, and the adjusting rod can be rotated in the fixed frame. The utility model has the advantages of scientific structure, convenience, practicality and accurate string adjustment. The string adjusting device with bass strings, which is made according to the design subject of the utility model, can bring positive using effect on making bass music instruments.

Description

The chord regulating device of contrabass

The utility model relates to the improvement invention of the chord regulating device of musical instrument, particularly be the improvement invention of the chord regulating device of contrabass, what be specifically related to is system bass bass string is regulated string by adjuster bar and profile of tooth worm gear invention.

In the prior art, the chord regulating device of contrabass generally is made up of underframe and peg, it string on peg, regulate string by the handle on the peg, the string that this chord regulating device is transferred is not very accurate, and damages easily, and operation is also inconvenient.

In view of the problem that known technology exists, the purpose of this utility model aims to provide a kind of scientific and reasonable for structure, and is convenient and practical, the chord regulating device of the accurate contrabass of tuning a stringed instrument.

For achieving the above object, the utility model adopts following technical scheme: the chord regulating device of this contrabass includes underframe, peg, peg is installed on the underframe, and can on underframe, rotate, it is characterized in that described underframe and adjuster bar erecting frame are an integral body, by erecting frame adjuster bar is installed on the described underframe, be provided with regulator bolts in the described erecting frame, one end of described peg is connected with the profile of tooth worm gear, described profile of tooth worm gear contacts with adjuster bar is moving, described adjuster bar is provided with plural at least wedge groove, and with the profile of tooth worm wheel, described adjuster bar can rotate in erecting frame; Described adjuster bar and worm gear respectively are provided with two.

The utility model is compared with known technology, has scientific and reasonable for structurely, convenient and practical, and advantage such as tune a stringed instrument accurately according to the chord regulating device of the contrabass of the utility model design motif made, bring positive result of use will for system bass bass string musical instrument.

The utility model has following accompanying drawing:

Fig. 1 is a Facad structure synoptic diagram of the present utility model;

Fig. 2 is a upward view of the present utility model.

Accompanying drawing has been represented structure of the present utility model and embodiment, further describe the relevant details of embodiment below more in conjunction with the accompanying drawings, the chord regulating device of this contrabass includes underframe 1 and peg 7, by erecting frame 9 two adjuster bars 4 are installed on the underframe 1, peg 7 can be rotated on underframe 1, profile of tooth worm gear 2 usefulness screws 3 are connected with an end of peg 7, profile of tooth worm gear 2 and described adjuster bar 4 moving contacts, described erecting frame 9 and underframe 1 are linked as an integral body, adjuster bar 4 can rotate in erecting frame 9, and described adjuster bar 4 is provided with plural at least wedge groove 8, and this wedge groove 8 matches with described profile of tooth worm gear 2, in described erecting frame 9, be provided with regulator bolts 5,, regulate by the interior hexagonal regulator bolts 5 that are installed in the erecting frame 9, in the time will tuning a stringed instrument owing to used when becoming flexible for a long time when adjuster bar 4, turn handle 6, rotary regulating lever 4, the wedge groove 8 on the adjuster bar 4 rotate profile of tooth worm gear 2, and rotate with peg 7, because of an end of string just on this peg 7, so be scalable.

Claims

1, a kind of chord regulating device of contrabass, include underframe (1), peg (7), peg (7) is installed on the underframe (1), and can go up at underframe (1) and rotate, it is characterized in that described underframe (1) and adjuster bar erecting frame (9) are an integral body, described underframe (1) is gone up and by erecting frame (9) adjuster bar (4) is installed, be provided with regulator bolts (5) in the described erecting frame (9), one end of described peg (7) is connected with profile of tooth worm gear (2), described profile of tooth worm gear (2) contacts with adjuster bar (4) is moving, described adjuster bar (4) is provided with plural at least wedge groove (8), and match with profile of tooth worm gear (3), described adjuster bar (4) can rotate in erecting frame (5).

2, the chord regulating device of contrabass as claimed in claim 1 is characterized in that described adjuster bar (4) and profile of tooth worm gear (3) respectively are provided with two.