JPH023630U - - Google Patents
Info
- Publication number
- JPH023630U JPH023630U JP8256588U JP8256588U JPH023630U JP H023630 U JPH023630 U JP H023630U JP 8256588 U JP8256588 U JP 8256588U JP 8256588 U JP8256588 U JP 8256588U JP H023630 U JPH023630 U JP H023630U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- switch
- diaphragm
- annular
- spring holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 claims 1
Description
第１図はこの考案の一実施例を示す縦断側面図
、第２図〜第４図はこの考案の異なる三つの実施
例を示す縦断側面図、第５図は従来装置を示す縦
断側面図、第６図は要部拡大断面図である。
図において、１，２は筐体、３はダイアフラム
、４はスプリングホルダ、１０はスイツチ、２１
は環状突出部、３１は環状遮蔽部、１３０，２３
０は圧力室である。なお、図中同一符号は同一ま
たは相当部分を示す。
FIG. 1 is a longitudinal side view showing one embodiment of this invention, FIGS. 2 to 4 are longitudinal side views showing three different embodiments of this invention, and FIG. 5 is a longitudinal side view showing a conventional device. FIG. 6 is an enlarged sectional view of the main part. In the figure, 1 and 2 are housings, 3 is a diaphragm, 4 is a spring holder, 10 is a switch, and 21
is an annular protrusion, 31 is an annular shield, 130, 23
0 is a pressure chamber. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
して変位するダイアフラムと、このダイアフラム
に装着されたスプリングホルダと、このスプリン
グホルダに対向して配置されかつ前記ダイアフラ
ムの変位に応動して開閉されるスイツチとからな
る圧力スイツチ装置において、 前記スイツチの周囲にあつて前記筐体から前記
圧力室の一方に向けて突出する環状突出部、およ
び前記ダイアフラム側に設けられて前記環状突出
部の外周面を摺接する環状遮蔽部を備え、前記環
状遮蔽部を前記環状突出部に常時摺接させること
により前記スイツチと前記圧力室の一方とを遮断
するようにしたことを特徴とする圧力スイツチ装
置。[Claims for Utility Model Registration] A diaphragm disposed within a housing and displaced in response to a pressure difference between both pressure chambers, a spring holder attached to this diaphragm, and a spring holder disposed opposite to this spring holder and said A pressure switch device comprising a switch that opens and closes in response to displacement of a diaphragm, comprising: an annular protrusion surrounding the switch and protruding from the casing toward one of the pressure chambers; and a pressure switch provided on the diaphragm side. and an annular shielding portion that slides on the outer circumferential surface of the annular projection, and the switch and one of the pressure chambers are cut off by constantly bringing the annular shielding portion into sliding contact with the annular projection. A pressure switch device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8256588U JPH023630U (en) | 1988-06-21 | 1988-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8256588U JPH023630U (en) | 1988-06-21 | 1988-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH023630U true JPH023630U (en) | 1990-01-11 |
Family
ID=31307315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8256588U Pending JPH023630U (en) | 1988-06-21 | 1988-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH023630U (en) |
-
1988
- 1988-06-21 JP JP8256588U patent/JPH023630U/ja active Pending
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