JPS6037658U

JPS6037658U - diaphragm

Info

Publication number: JPS6037658U
Application number: JP13024183U
Authority: JP
Inventors: 博之二家本
Original assignee: エヌオーケー株式会社
Priority date: 1983-08-23
Filing date: 1983-08-23
Publication date: 1985-03-15

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来式術によるダイアフラムの部分断面図、第
２図は第１図に示したダイアフラムの可−撓膜部に生ず
る応力の分布状況図、第３図は本考案の第１の実施例を
示すダイアプラムの部分断面図、第４図は本考案の第２
の実施例を示すダイアフラムの部分断面図である。１・・・ダイアフラム、３・・・径方向外方の固定端部
、４・・・ケーシング壁、５・・・補強板、６・・・径
方向内方の固定部、７・・・可撓膜部、Ａ・・・空室、
Ｂ・・・空室、１０・・・ダイアフラム、１１・・・径
方向外方の固定端部、１２・・・径方向内方の固定部、
１３・・・可撓膜部、１４・・・基布。Fig. 1 is a partial cross-sectional view of a diaphragm according to the conventional method, Fig. 2 is a diagram of the distribution of stress occurring in the flexible membrane portion of the diaphragm shown in Fig. 1, and Fig. 3 is a diagram showing the state of stress distribution in the flexible membrane portion of the diaphragm shown in Fig. 1. A partial cross-sectional view of a diaphragm showing an example, FIG.
FIG. 3 is a partial cross-sectional view of a diaphragm showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1...Diaphragm, 3...Radially outer fixed end part, 4...Casing wall, 5...Reinforcement plate, 6...Radially inner fixed part, 7...Possible Flexure membrane part, A... vacant room,
B...Vacancy, 10...Diaphragm, 11...Radially outer fixed end, 12...Radially inner fixed part,
13... Flexible membrane portion, 14... Base fabric.

Claims

[Scope of utility model registration request]

A diaphragm characterized in that the thickness of the flexible membrane portion is gradually increased from a radially outer portion near a fixed end portion to a radially inner portion near a fixed portion.