JPH0344646U

JPH0344646U -

Info

Publication number: JPH0344646U
Application number: JP10627289U
Authority: JP
Priority date: 1989-09-11
Filing date: 1989-09-11
Publication date: 1991-04-25

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を説明する断面構成
図である第２図のセンタダイアフラムの取り付け
部分を説明する構成図、第２図は本考案の差圧伝
送器の一実施例を説明する断面構成図、第３図は
第１図において溶接する前の構成図、第４図は他
の実施例を説明する構成図、第５図は更に他の実
施例を説明する構成図、第６図は従来の差圧伝送
器の要部断面構成図、第７図は第６図におけるセ
ンタダイアフラムの取り付け部分を説明する図、
第８図はセンタダイアフラムの取り付け部分の第
２の例を説明する図、第９図はセンタダイアフラ
ムの取り付け部分の第３の例を説明する図、第１
０図はセンタダイアフラムの取り付け部分の第４
の例を説明する図である。これらの図において、１，３８……第１の受圧
部ボデイ、２，３９……第１の凹部、３，４０…
…第２の受圧部ボデイ、４，４１……第２の凹部
、５，４２……センタダイアフラム、６，４３…
…第１室、７，４４……第２室、３８ａ，４０ａ
……溝、５８……センタダイアフラム溶接部、５
９……受圧部ボデイ溶接部。 Fig. 1 is a cross-sectional configuration diagram illustrating an embodiment of the present invention. Fig. 2 is a configuration diagram illustrating the attachment part of the center diaphragm. Fig. 2 is a diagram illustrating an embodiment of the differential pressure transmitter of the present invention. FIG. 3 is a configuration diagram before welding in FIG. 1, FIG. 4 is a configuration diagram explaining another embodiment, and FIG. 5 is a configuration diagram explaining another embodiment. Fig. 6 is a cross-sectional configuration diagram of the main parts of a conventional differential pressure transmitter, Fig. 7 is a diagram illustrating the attachment part of the center diaphragm in Fig. 6,
FIG. 8 is a diagram illustrating a second example of the attachment part of the center diaphragm, FIG. 9 is a diagram illustrating a third example of the attachment part of the center diaphragm, and FIG.
Figure 0 shows the fourth part of the center diaphragm installation part.
It is a figure explaining an example. In these figures, 1, 38...first pressure receiving part body, 2, 39...first recessed part, 3, 40...
...Second pressure receiving part body, 4, 41... Second recess, 5, 42... Center diaphragm, 6, 43...
...First room, 7, 44...Second room, 38a, 40a
... Groove, 58 ... Center diaphragm welding part, 5
9...Pressure receiving part body welding part.

Claims

[Claims for Utility Model Registration] A first pressure receiving body 38 in which a first recess 39 is formed; A second pressure receiving body 40 having two recesses 41 formed therein, and these first and second pressure receiving body 38
, 40, and the first and second recesses 39, 4
The space formed by 1 is partitioned into a first chamber 43.
and a center diaphragm 4 forming a second chamber 44.
2, the first and second pressure receiver bodies 38, 40 are formed on the outer periphery of the first and second recesses 39, 41 on each opposing surface, and the opposing first and second second ring-shaped grooves 38a, 40a, and these first and second ring-shaped grooves 38a, 4
A center diaphragm welded portion 58 formed on the inner side of 0a, and the first and second ring-shaped grooves 38a, 40.
On the outside of a, the center diaphragm welded portion 58
A differential pressure transmitter characterized in that a pressure receiving part body welded part 59 is formed at the same time.