JPH0226895U

JPH0226895U -

Info

Publication number: JPH0226895U
Application number: JP10586088U
Authority: JP
Priority date: 1988-08-10
Filing date: 1988-08-10
Publication date: 1990-02-21

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案のドーム型スピーカ用振動板
の第１の実施例を示す断面図、第２図は第１の実
施例における要部の拡大斜視図、第３図はこの考
案の第２の実施例を示す断面図である。１……ドーム型スピーカ用振動板、２……振動
板本体、３……第１の支持部材、３ａ……第１の
支持部材の底部、４……第２の支持部材、５……
逆円錐状の錐体、６……截頭円錐状の錐体、７…
…リング部材。 Fig. 1 is a sectional view showing a first embodiment of the diaphragm for a dome-shaped speaker of this invention, Fig. 2 is an enlarged perspective view of the main parts of the first embodiment, and Fig. 3 is a second embodiment of the diaphragm for a dome-shaped speaker of this invention. FIG. DESCRIPTION OF SYMBOLS 1...Dome-shaped speaker diaphragm, 2...Diaphragm main body, 3...First support member, 3a...Bottom of first support member, 4...Second support member, 5...
Inverted cone-shaped cone, 6...Truncated cone-shaped cone, 7...
...Ring member.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

裏面に逆円錐状の第１の支持部材の頂部を連結
したドーム状の振動板本体と、外周縁に貼着部を
有する逆円錐状の錐体の底部に上方に向けて截頭
円錐状の錐体を突設した断面Ｗ状の第２の支持部
材と、帯状のリング部材とから構成されるもので
あつて、前記第１の支持部材の底部に第２の支持
部材の截頭円錐状の錐体の頂部を連結すると共に
、第２の支持部材の逆円錐状の錐体の外周縁を前
記振動板本体の外周縁に連結し、かつ逆円錐状の
錐体と截頭円錐状の錐体とから構成される断面Ｗ
状の第２の支持部材の底部の内側又は外側に帯状
のリング部材を設けることによつて第２の支持部
材を補強したことを特徴とするドーム型スピーカ
用振動板。 A dome-shaped diaphragm body with the top of an inverted cone-shaped first support member connected to the back surface, and a truncated cone-shaped diaphragm extending upward to the bottom of the inverted cone-shaped cone having an adhesive part on the outer periphery. The second support member has a W-shaped cross section and has a protruding cone, and a band-like ring member, and the second support member has a truncated conical shape at the bottom of the first support member. The tops of the cones of the second supporting member are connected to the outer circumferential edge of the inverted conical cone of the second supporting member to the outer circumferential edge of the diaphragm body, and the inverted conical cone and the truncated conical A cross section W consisting of a cone
A diaphragm for a dome-shaped speaker, characterized in that the second support member is reinforced by providing a band-shaped ring member inside or outside the bottom of the second support member.