Embedded moving type muffler apparatus for drum

Abstract

The invention discloses an internal mobile type drum sound deadening device, comprising a drum sound deadening mat support plate and a sound deadening mat; wherein, the lower part of the drum sound deadening mat support plate is equipped with a vertical support bar which is fixed on the upper part of a mobile transverse lever, the right end face of the mobile transverse lever is a cambered surface rising gradually from left to right, the mobile transverse lever is fixed in an empty cavity at left end of a fixed transverse lever by axis rotation, the section shape of a fixed transverse lever inner cavity matches the section of the mobile transverse lever, the left end of the fixed transverse lever inner cavity is equipped with a gap formed when the mobile transverse lever rotates downward,the fixed transverse lever inner cavity is equipped with a slide rod the shape of which matches with the fixed transverse lever inner cavity, the left end face of the slide rod is equipped with a cambered surface which matches the right end face of the mobile transverse lever, the right end of the fixed transverse lever is equipped with an installing seat which matches with a drum cavity wall, the installing seat is connected and fixed with the drum cavity wall by a fixture, and a screw is arranged in a screwed hole on the cavity wall which is the correspondence position of the drum cavity wall and the fixed transverse lever empty cavity. The device does not influence drum sound quality.

Description

technical field [0001] The invention relates to a muffler for drum musical instruments, in particular to a built-in movable drum muffler. Background technique [0002] The sound of drum instruments is very loud when they are struck. Therefore, when drummers practice at home, there is a problem of disturbing the people. In order to solve the problem of disturbing the people, at present, some drummers put rubber skins or sponge pads on the drum heads. In this way, the drummers can beat The feeling of the drum skin is gone, which is very unfavorable for drummers to improve their practice performance, and it is not beautiful at the same time. The patent specification for invention with application number 200810054565.2 discloses a drum set with a built-in drum pad and adjustable volume. The drum pad is in contact with the drum head during practice to achieve the purpose of noise reduction. During the official performance, the drum pad is separated from the drum head, and the dr...

AI Technical Summary

Problems solved by technology

The disadvantage of this device is that the drum pad and the drum head are always parallel when the drum head is sounding normally, and the drum pad is blocked between the upper and lower drum heads, which affects the transmission of sound waves in the drum cavity, and the sound waves of the upper and lower drum heads do not resonate, which affects the quality of the sound.

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