Miniature loudspeaker module and manufacturing method thereof

Abstract

The invention discloses a miniature loudspeaker module and a manufacturing method thereof. The miniature loudspeaker module comprises a loudspeaker unit and an outer casing, and the outer casing is used for holding and fixing the loudspeaker unit. The outer casing consists of an upper casing and a lower casing which are integrated, the space inside the outer casing includes a mounting portion for mounting the loudspeaker unit, each of the upper casing and the lower casing is provided with a body made of plastics, two mounting holes are arranged at the positions of the bodies corresponding to the mounting portion, inserts made of metal are arranged on the two mounting holes, the thickness of each insert is smaller than that of each body, the thickness of the module can be reduced by the above design and thinning of products is realized. In the manufacturing method of the miniature loudspeaker module, positioning parts are integrally formed on the upper insert and the lower insert which are made of metal, the upper insert and the lower insert are positioned on an injection mold accurately through the positioning parts, then the body of the upper casing combined with the periphery of the upper insert and the body of the lower casing combined with the periphery of the lower insert are formed by injection molding, thereby yield and production efficiency of products are improved.

Description

technical field [0001] The invention relates to the field of electroacoustics, in particular to a micro speaker module and a manufacturing method thereof. Background technique [0002] Today, portable electronic products are becoming thinner, and micro-speaker modules, which are important acoustic devices, are also becoming thinner. The micro-speaker module includes a speaker unit and a housing that accommodates and fixes the speaker unit. The housing is generally composed of an upper housing and a lower housing. The upper housing and the lower housing are made of plastic materials. In order to ensure its strength, Both need to have a certain thickness, usually 0.5mm. However, the cavity formed by the upper shell and the lower shell needs to accommodate the speaker unit and the rear acoustic cavity and / or the front acoustic cavity. In order to ensure the acoustic performance of the product, it is necessary to ensure that the cavity formed by the upper shell and the lower sh...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a micro-speaker module, which can reduce the thickness of the micro-speaker module and realize thinning of the product; also provide a manufacturing method of the above-mentioned micro-speaker module to solve the problem of The problem of inaccurate positioning of parts between each other improves the yield and production efficiency of products

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