JPH02120997U

JPH02120997U -

Info

Publication number: JPH02120997U
Application number: JP3045089U
Authority: JP
Priority date: 1989-03-16
Filing date: 1989-03-16
Publication date: 1990-10-01

Description

[Brief explanation of drawings]

第１図はこの考案によるスピーカユニツトの断
面図、第２図は第１図部大断面図、第３図は従
来例の部分断面図、第４図は同接着剤の剥離状態
の説明図である。１１……ボイスコイルボビン、１２……ボイス
コイル、１３……振動板、１３Ａ……内周エツジ
、１４……ダンパ、１４Ａ……環状凹凸部、１４
Ｂ……環状凹部、Ｓ……接着剤。 Fig. 1 is a sectional view of the speaker unit according to this invention, Fig. 2 is a large sectional view of the part shown in Fig. 1, Fig. 3 is a partial sectional view of the conventional example, and Fig. 4 is an explanatory diagram of the peeling state of the same adhesive. be. 11...Voice coil bobbin, 12...Voice coil, 13...Diaphragm, 13A...Inner peripheral edge, 14...Damper, 14A...Annular uneven portion, 14
B...Annular recess, S...Adhesive.

Claims

[Claims for Utility Model Registration] At least a voice coil bobbin, a diaphragm, and a damper are provided, and the inner edge of the diaphragm is inserted into an inner annular recess formed on the inner periphery of the damper, and In a speaker unit in which the inner wall of an annular recess and a voice coil bobbin are placed in parallel contact with each other and the three are integrated with adhesive, the inner edge end face of the diaphragm is in contact with the inner annular recess of the damper, and the adhesive The speaker unit is characterized in that the speaker unit is present in a portion surrounded by the inner peripheral edge of the diaphragm, the inner wall of the inner peripheral annular recess of the damper, and the voice coil bobbin, and is not present in the outer periphery of the inner peripheral edge.