JPH0179238U - - Google Patents
Info
- Publication number
- JPH0179238U JPH0179238U JP1987175481U JP17548187U JPH0179238U JP H0179238 U JPH0179238 U JP H0179238U JP 1987175481 U JP1987175481 U JP 1987175481U JP 17548187 U JP17548187 U JP 17548187U JP H0179238 U JPH0179238 U JP H0179238U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- chamber
- pressure
- vent hole
- diaphragm
- 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.)
- Granted
Links
- 239000003566 sealing material Substances 0.000 claims 2
- 238000009423 ventilation Methods 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Description
第１図は本考案の一実施例の圧力スイツチ縦断
面図、第２図は従来の圧力スイツチ縦断面図であ
る。
１……スイツチ本体、３……スイツチ室、４…
…通気孔、１３……圧力室、１６……ダイヤフラ
ム、２８……キヤツプ、２９……多孔質フイルタ
、３０……Ｏリング、３１……通気孔。
FIG. 1 is a vertical sectional view of a pressure switch according to an embodiment of the present invention, and FIG. 2 is a vertical sectional view of a conventional pressure switch. 1...Switch body, 3...Switch chamber, 4...
...Vent hole, 13...Pressure chamber, 16...Diaphragm, 28...Cap, 29...Porous filter, 30...O ring, 31...Vent hole.
Claims (1)
切られた圧力室とスイツチ室を形成し、該スイツ
チ室内にダイヤフラムの変位に応動してオン・オ
フするスイツチを配設した圧力スイツチにおいて
、前記スイツチ室内と前記スイツチ本体の外側部
とを連通する第１通気孔と、該第１通気孔にシー
ル材を介して嵌合するキヤツプを設け、該キヤツ
プに第２通気孔を形成し、該第２通気孔の前記ス
イツチ室側の端部に通気性および撥水性を有する
多孔質フイルタを該第２通気孔を覆うようにその
周囲を前記端部に溶着したことを特徴とする圧力
スイツチ。 (2) 前記シール材がＯリングであることを特徴
とする実用新案登録請求の範囲第１項記載の圧力
スイツチ。[Scope of Claim for Utility Model Registration] (1) A pressure chamber and a switch chamber separated by a diaphragm are formed in the switch body, and a switch that turns on and off in response to displacement of the diaphragm is disposed within the switch chamber. In the pressure switch, a first vent hole communicating between the switch chamber and the outer side of the switch body, a cap that fits into the first vent hole via a sealing material, and a second vent hole in the cap. and a porous filter having air permeability and water repellency is welded to the end of the second ventilation hole on the switch chamber side so as to cover the second ventilation hole. pressure switch. (2) The pressure switch according to claim 1, wherein the sealing material is an O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17548187U JPH0447883Y2 (en) | 1987-11-17 | 1987-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17548187U JPH0447883Y2 (en) | 1987-11-17 | 1987-11-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0179238U true JPH0179238U (en) | 1989-05-29 |
| JPH0447883Y2 JPH0447883Y2 (en) | 1992-11-11 |
Family
ID=31467272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17548187U Expired JPH0447883Y2 (en) | 1987-11-17 | 1987-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447883Y2 (en) |
-
1987
- 1987-11-17 JP JP17548187U patent/JPH0447883Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0447883Y2 (en) | 1992-11-11 |