JPS62163838U - - Google Patents
Info
- Publication number
- JPS62163838U JPS62163838U JP5206886U JP5206886U JPS62163838U JP S62163838 U JPS62163838 U JP S62163838U JP 5206886 U JP5206886 U JP 5206886U JP 5206886 U JP5206886 U JP 5206886U JP S62163838 U JPS62163838 U JP S62163838U
- Authority
- JP
- Japan
- Prior art keywords
- case
- guide
- stopper
- diaphragm
- flange
- 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
- 239000011324 bead Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 4
- 239000012530 fluid Substances 0.000 claims 1
- 239000003507 refrigerant Substances 0.000 description 4
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Description
第1図は本案圧力スイツチの一実施例の冷媒の
異常低圧時における各部材の位置を示す概略の縦
断面図、第2図は冷媒の所定圧時における同様の
縦断面図、第3図は冷媒の異常高圧時における同
様の縦断面図で第4図は従来の圧力スイツチの概
略の縦断面図である。
11……ケース、12……作動室、13……カ
バ、14……通路、15……ダイヤフラム、18
……ガイド、19……鍔部、20……ガイド壁、
21……ガイド孔、22……環状のビード、23
……ストツパ、24……フランジ、25……第1
の段部、26……第1の反転板、27……第2の
反転板、28……第2の段部、29……作動棒、
30,31……ターミナル、32……固定接点、
33……スイツチレバ、34……可動接点。
Fig. 1 is a schematic vertical sectional view showing the position of each member in an embodiment of the pressure switch of the present invention when the refrigerant pressure is abnormally low, Fig. 2 is a similar longitudinal sectional view when the refrigerant is at a predetermined pressure, and Fig. 3 is a schematic longitudinal sectional view showing the position of each member when the refrigerant pressure is abnormally low. FIG. 4 is a similar vertical cross-sectional view when the refrigerant is at an abnormally high pressure, and is a schematic vertical cross-sectional view of a conventional pressure switch. 11... Case, 12... Working chamber, 13... Cover, 14... Passage, 15... Diaphragm, 18
... Guide, 19 ... Tsubabe, 20 ... Guide wall,
21... Guide hole, 22... Annular bead, 23
...stopper, 24...flange, 25...first
Step portion, 26...first reversal plate, 27...second reversal plate, 28...second step portion, 29...operating rod,
30, 31...terminal, 32...fixed contact,
33...Switch lever, 34...Movable contact.
Claims (1)
封状態で覆い圧力流体の通路を有するカバより構
成されたスイツチ本体と、前記ケースとカバとの
間にその周縁部を挟持されたダイヤフラムと、前
記ケースの第1の段部とダイヤフラムとの間を移
動可能で周縁にダイヤフラム側に向く鍔部を有し
、中心部にガイド壁によりガイド孔を形成すると
共に鍔部と中心との間に環状のビードを有する逆
皿状のガイドと、前記ダイヤフラムとガイドとの
間に設けられ、ガイドに沿つて移動可能で周縁部
にフランジを有するストツパと、このストツパと
ガイドとの間に設けられその周縁部がストツパの
フランジに係合し且つ一面が前記ガイドの環状の
ビードに当接すると共に、無加圧時には前記スト
ツパと対向する側に偏位している第1の反転板と
、外周縁がケースの第2の段部と係合し、又内周
縁が前記ガイド壁に係合し、無加圧時ガイド壁側
に偏位している第2の反転板と、前記ガイド孔内
を摺動する作動棒と、前記ケースに互いに対向し
て支持され夫々各端部がケースの作動室とケース
外に露出する一対のターミナルと、一方のターミ
ナルの作動室側の端部に固定された固定端子と、
他方のターミナルの作動室側の端部に一端を固定
され他端に可動接点を有すると共にその弾力によ
り常時可動接点が固定接点より離間する側に偏位
するスイツチレバとよりなる圧力スイツチ。 A switch body consisting of a case having an operating chamber inside, a cover that seals the case and has a pressure fluid passage, a diaphragm whose peripheral edge is held between the case and the cover, and the case. is movable between the first step and the diaphragm and has a flange facing toward the diaphragm on the periphery, a guide hole is formed in the center by a guide wall, and an annular bead is formed between the flange and the center. a stopper provided between the diaphragm and the guide, movable along the guide and having a flange on its peripheral edge; and a stopper provided between the stopper and the guide and having a peripheral edge thereof; a first reversing plate that engages with the flange of the stopper, one surface of which abuts the annular bead of the guide, and which is deviated toward the side facing the stopper when no pressure is applied; a second reversing plate that is engaged with the second step portion, whose inner peripheral edge is engaged with the guide wall, and is deviated toward the guide wall when no pressure is applied, and a second reversing plate that slides within the guide hole; a rod, a pair of terminals supported by the case so as to face each other and each end of which is exposed to the working chamber of the case and outside the case, and a fixed terminal fixed to the end of one terminal on the working chamber side;
A pressure switch comprising a switch lever having one end fixed to the end of the other terminal on the working chamber side and having a movable contact at the other end, and whose elasticity always causes the movable contact to deviate away from the fixed contact.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5206886U JPH0329865Y2 (en) | 1986-04-09 | 1986-04-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5206886U JPH0329865Y2 (en) | 1986-04-09 | 1986-04-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62163838U true JPS62163838U (en) | 1987-10-17 |
JPH0329865Y2 JPH0329865Y2 (en) | 1991-06-25 |
Family
ID=30876905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5206886U Expired JPH0329865Y2 (en) | 1986-04-09 | 1986-04-09 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0329865Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0224929A (en) * | 1988-07-13 | 1990-01-26 | Fuji Koki Seisakusho:Kk | Pressure switch |
-
1986
- 1986-04-09 JP JP5206886U patent/JPH0329865Y2/ja not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0224929A (en) * | 1988-07-13 | 1990-01-26 | Fuji Koki Seisakusho:Kk | Pressure switch |
Also Published As
Publication number | Publication date |
---|---|
JPH0329865Y2 (en) | 1991-06-25 |