Shock wave-preventing earmuff filling structure

Abstract

The invention relates to the technical field of earmuff filling structures and discloses a shock wave-preventing earmuff filling structure. The earmuff filling structure comprises an arc-surface-shaped bent wave isolation wall, wherein the wave isolation wall comprises a plurality of polyhedrons; the side edges of the polyhedrons are connected mutually; and a first cavity is formed in each polyhedron. Firstly, part of shock waves are reflected outwards by the surface of the wave isolation wall and do not penetrate through the wave isolation wall; secondly, part of the shock waves enter the polyhedrons of the wave isolation wall, and the first cavities are formed in the polyhedrons, so that the shock waves are reflected for multiple times in the first cavities of the polyhedrons, the shock waves are greatly weakened, a few shock waves are refracted and return to the outside of the wave isolation wall, only extremely few shock waves can penetrate through the wave isolation wall, the transmission of the shock waves is effectively weakened, and the shock waves are prevented from directly impacting ears of a user; and the shock wave-preventing earmuff filling structure is configured in an earmuff, so that when the external shock waves enter the earmuff, the shock waves can be greatly weakened and the ears of the user can be effectively protected.

Description

technical field [0001] The invention relates to the technical field of earmuff filling structures, in particular to a shock wave-proof earmuff filling structure. Background technique [0002] Earmuffs are ear protectors that can cover the entire auricle. It consists of two circular shell-shaped bodies connected by a bow frame. In order to prevent noise or shock waves, a filling structure and a sealing gasket are attached inside the shell. The overall shape is like a headset. [0003] In reality, when the artillery fires a shell, the shock wave generated by the launch will cause greater damage to the artillery, except for the injury to the inside of the body, especially the more serious damage to the ears. In order to protect the ears from shock waves, artillerymen will wear specially set earmuffs, and the cavity of the earmuffs is filled with a filling structure to weaken the shock waves. [0004] In the prior art, the filling structure in the earmuffs is mostly sound-abso...

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a shock wave-proof earmuff filling structure, aiming to solve the problem in the prior art that the earmuff filling structure in the earmuff is difficult to effectively weaken the shock wave

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