JPS6381228U

JPS6381228U -

Info

Publication number: JPS6381228U
Application number: JP17634586U
Authority: JP
Priority date: 1986-11-17
Filing date: 1986-11-17
Publication date: 1988-05-28

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の構成説明図、第２
図は本考案の他の実施例の構成説明図、第３図は
従来より一般に使用されている従来例の構成説明
図、第４図は実願昭６１―４２７４８号の構成説
明図である。１……本体、１０６，１０７，１０８……封入
液体、１１……室、１２……第１測定室、１３…
…第２測定室、１６，１７……連通孔、２１……
測定ダイアフラム、２２，２３……固定電極、２
４，２５……絶縁体、３２，３３……カバー、６
０……ケーシング、６１……ハウジング、６１１
……内部空所、６２，６３……保護壁、６２２，
６３２……貫通孔、６２３，６３３……突部、７
３，７４……バリアダイアフラム、７３１，７４
１……バリア室、７３２，７４２……バツクアツ
プネスト、８１，８２……オーバーレンジ機構、
８１１，８２１……オーバーレンジダイアフラム
、８１２，８２２……ばね、８１３，８２３……
オーバーレンジ室。 Figure 1 is an explanatory diagram of the configuration of one embodiment of the present invention;
3 is a diagram illustrating the configuration of another embodiment of the present invention, FIG. 3 is a diagram illustrating the configuration of a conventional example that has been commonly used, and FIG. 4 is a diagram illustrating the configuration of Utility Model Application No. 61-42748. 1... Main body, 106, 107, 108... Enclosed liquid, 11... Chamber, 12... First measurement chamber, 13...
...Second measurement chamber, 16, 17...Communication hole, 21...
Measuring diaphragm, 22, 23...Fixed electrode, 2
4, 25... Insulator, 32, 33... Cover, 6
0...Casing, 61...Housing, 611
...Internal void, 62,63...Protection wall, 622,
632...Through hole, 623, 633...Protrusion, 7
3,74...Barrier diaphragm, 731,74
1... Barrier room, 732, 742... Back up nest, 81, 82... Over range mechanism,
811,821...Overrange diaphragm, 812,822...Spring, 813,823...
Overrange room.

Claims

[Scope of utility model registration request]

a block-shaped casing; a barrier diaphragm provided on the outer surface of the casing to receive measurement pressure and constitute first and second barrier chambers with the casing; and a barrier diaphragm provided in the casing opposite to the barrier diaphragm. a back up nest, a cover that covers the outer surface of the casing, an internal space provided in the casing, a main body provided in the internal space, and a center portion of the casing connected to the main body; an overcoat whose peripheral edge is fixed to an internal cavity wall facing a side surface of the main body, presses and supports the main body in the internal cavity with a gap therebetween, and forms first and second overrange chambers with the internal cavity wall, respectively; a range mechanism, a chamber provided inside the main body, a measurement diaphragm that divides the chamber into a first and second measurement chamber, a displacement detection mechanism that detects displacement of the measurement diaphragm, and the first measurement chamber and the measurement diaphragm. A first communication hole that communicates with the first barrier chamber, a second communication hole that communicates the second measurement chamber and the second barrier chamber, and a penetrating through the first barrier chamber and the first overrange chamber. a first through hole that passes through the second barrier chamber and the second overrange chamber, the first and second measurement chambers, the first and second barrier chambers, and the first, The device includes a sealed liquid filled in three chambers each consisting of a second overrange chamber, the internal cavity, the first and second communication holes, and the first and second through holes. Differential pressure measuring device.