CN202422710U - Bass trombone added with thumb supporting key - Google Patents

Abstract

The utility model relates to a bass trombone added with a thumb supporting key. The bass trombone comprises a pitch pipe, a horn mouth, an F key pin-jointed with the pitch pipe through a small shaft, a rotary four-degree piston and a four-degree addition pipe, and is characterized in that a splicing port of the pitch pipe is provided with a support, the support is connected with a right-angled thumb supporting handle in a sliding manner, a horizontal supporting handle of the thumb supporting handle is placed on the lower part of the F key, and the thumb supporting handle is located by a jackscrew. The bass trombone has the beneficial effects that by adding the thumb supporting key, the finger of a player is provided with a fixed supporting position to prevent incorrect pronunciation caused by vibrating the finger to touch the key by accident when playing. The key form of the F key button is changed, so that the button is more human-friendly, the player touches the key more conformably, and plays more smoothly and freely, and the skill of the player is fully shown.

Description

Increase the bass slide trombone that thumb supports key

Technical field

The utility model belongs to wind instrument, relates in particular to a kind of bass slide trombone that thumb supports key that increases.

Background technology

Bass slide trombone (falls B and transfers, has 1-2 the key of changing voice, also have times bass slide trombone of 3 keys of changing voice.The musical instrument of essential configuration is played by the 3rd trombonist in symphony orchestra's trombone part.The structure number of the comprising mouth of bass slide trombone, U molded cannula (2.75 meters of pipe ranges), the lining pipe, pitch pipe, hydraucone, and have a swinging four degree pistons and one four degree tube-carrier.The musical instrument characteristic: tone color is supercilious, and splendidness is solemn glorious and full, and sound is resonant and be rich in power, a little less than gentle again mild and roundabout when playing.Its tone color is distinct unified, in band, seldom can assimilate, even can contend with whole band.Can play chromatic scale and unique glide.The normal middle bass part of playing melody magnificent.It in the military band the main musical instrument that is used for playing powerful middle bass melody.Seldom be used for solo in the orchestra.

On musical instrument was played wind instruments, slyness was the skill that links between connecting between a kind of sound and the sound, and the player of trombone is with respect to other wind instrument; Slick and sly playing wind instruments for trombone is difficult accomplished; Because, possibly change holders from a note to next note, and the generation in space if having time in the exchange of position; And the position and can avoiding the generation of glide through harmonic series between the position.Play out good slyness, just must lean on player's skill, this is trombone characteristic place on playing.Present bass slide trombone, the key shape of the F key of especially common inferior bass slide trombone are round keys that square is bar-shaped, and through little axle and pitch pipe pin joint, the round key upper end is connected with swinging four degree pistons.Because bar-shaped round key is more sliding, the thumb button occurs skidding through regular meeting, influences player's smoothness skill freely in player's use.

The utility model content

The utility model is in order to overcome deficiency of the prior art; A kind of bass slide trombone that thumb supports key that increases is provided; Set up thumb and support key; Make player's finger have a fixing position to support, when playing, point the problem of trembleing touch of key-press by accident and causing cacoepy thereby solved the player.

The utility model is for realizing above-mentioned purpose; Realize through following technical scheme; A kind ofly increase the bass slide trombone that thumb supports key, comprise pitch pipe, hydraucone,, and have a swinging four degree pistons and one four and spend tube-carrier through the F key of little axle with the pitch pipe pin joint; It is characterized in that: said pitch pipe interface place is provided with bearing; Said bearing slidely connects square thumb support shank, and the horizontal support handle of said thumb support shank places F key bottom, and said thumb support shank is through the jackscrew location.

Be provided with the circular arc camber of indent on the said F key with the contact site of thumb.

Beneficial effect: set up thumb and support key, make player's finger that fixing Support Position arranged, avoid player's finger vibration touch of key-press by accident when playing, and cause cacoepy.The key shape of change F key makes button more press close to hommization, thereby makes musician's touching more comfortable, during performance more smoothness fully show player's skill freely.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the structural representation of the F key after improving;

Fig. 3 is the structural representation of newly-increased thumb support shank.

Embodiment

Below in conjunction with preferred embodiment; Details are as follows to the embodiment that provides according to the utility model: see accompanying drawing for details; A kind ofly increase the bass slide trombone that thumb supports key, comprise pitch pipe 1, hydraucone 2,, and have a swinging four degree pistons 4 and one four and spend tube-carrier 5 through the F key 3 of little axle with the pitch pipe pin joint; Said pitch pipe interface place is provided with bearing 6; Said bearing slidely connects square thumb support shank 7, and the horizontal support handle of said thumb support shank places F key bottom, and said thumb support shank is through jackscrew 9 location.The contact site of said F key and thumb is provided with the circular arc camber 8 of indent.

The above only is the preferred embodiment of the utility model, is not the structure of the utility model is done any pro forma restriction.Every technical spirit according to the utility model is to any simple modification, equivalent variations and modification that above embodiment did, all still belongs in the scope of technical scheme of the utility model.

Claims (2)

1. one kind increases the bass slide trombone that thumb supports key; Comprise pitch pipe, hydraucone, through the F key of little axle with the pitch pipe pin joint; And have a swinging four degree pistons and one four degree tube-carrier, it is characterized in that: said pitch pipe interface place is provided with bearing, and said bearing slidely connects square thumb support shank; The horizontal support handle of said thumb support shank places F key bottom, and said thumb support shank is through the jackscrew location.

2. increase thumb according to claim 1 supports the bass slide trombone of key, it is characterized in that: the circular arc camber that is provided with indent on the said F key with the contact site of thumb.

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