CN2080697U - Drum - Google Patents

Abstract

The utility model is to belong to musical instrument class percussion instrument, Drum sound Ring, structurally reasonable feature be bulging pressing ring at

Type, drum pressing ring and drum block Son cooperation, drum clamp head is for nut, drum card screw rod generation drum hook, slightly away from sand ribbon It inlays on a metal plate at its both ends of spring. The utility model army drum be easy to make, Light-weight, long service life can saving steel than drum clamp in the market 70%, reduce cost is former army's drum 1/15~1/20.

Description

Drum

The utility model belongs to musical instrument class percussion instrument.

Army's drum of seeing in the market has the same sound of loose sand, Heavy Weight, and materials are many, and man-hour is many, shortcomings such as cost height.

The purpose of this utility model is to be developed into the Drum that a kind of sound equipment is good, in light weight, intensity is high, cost is low.

Army drum is made of drum body, drum head, drum trim ring, drum clamp, sand ribbon spring, and the trim ring of Drum is supporting with the drum clamp, drum clamp head for nut, drum card screw rod for the drum hook, slightly be embedded on the sheet metal apart from spring two ends, sand ribbon and constitute.Adopt steel, three-ply board, finer wire, sheet iron and polyester film material made.The bulging trim ring sheet iron of this army drum, through specialized equipment, modification is rolled in many ways

Type, trim ring are to be connected the bag pressure assembling with the drum head circle, so the circularity and the intensity of drum are good.Drum body (drum group) is used three-ply board, the particular manufacturing craft moulding, bonding, the consistent employing of specification standards pasted polyester film, replacement paint, attractive and durable, and that rouses is clear loud, the playing effect that senior drum is arranged, soul-stirring dynamics is arranged, but cost is 1/15 of a senior drum, in being well suited for, the primary school uses, change army's tympanitic note that school in the past uses and ring the husky the same sound of astigmatism.Drum clamp and the supporting use of drum trim ring.Because nut and screw rod cooperate suitably, laborsaving assembling and the tuning to drum of degree of tightness is more laborsaving, long service life, body are light, can save steel 70% than the bulging clamp in market, and the sand ribbon spring is that the twist shape spring connects without soldering, inlay with sheet iron volume and to connect, eliminate the shortcoming of snapping spring removal.

Description of drawings: Fig. 1 is sectional view, drum trim ring 1, drum head 2, the drum circle 3 of drum.

Fig. 2 is drum clamp figure, and drum dop front view (FV) 4, drum dop block screw rod for drum hook 6 for nut 5, drum.

Fig. 3 is sand ribbon spring structure figure, iron plate 7, sand ribbon spring 8, the other rod 9 of sand ribbon spring.

Advantage of the present utility model: 1.1 kilograms in light weight of Drum, alleviate 0.4 kilogram than army drum, cost 1/15～1/20, material reduces to 1/12, and clear have a dynamics, and durable being difficult for goes wrong, and welcome by middle and primary schools.

Most preferred embodiment: from side drum to the big drum manufactured size

Drum diameter: 350～655 millimeters

Drum height: 15～35 millimeters

Drum clamp: 15～30 millimeters

The sand ribbon spring is long: 320 millimeters

Claims (2)

1, army's drum is made of drum body, drum head, drum trim ring, drum clamp, sand ribbon spring, and Drum is characterized in that: the drum trim ring becomes

Type, the drum trim ring is supporting with the drum clamp, and drum clamp head rouses the card screw rod for the drum hook for nut, slightly is embedded on the sheet metal apart from spring two ends, sand ribbon to constitute.

2, by the described Drum of claim 1, it is characterized in that: adopt steel, three-ply board, finer wire, sheet iron and polyester film material made.

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