JPH0478736U - - Google Patents
Info
- Publication number
- JPH0478736U JPH0478736U JP12085090U JP12085090U JPH0478736U JP H0478736 U JPH0478736 U JP H0478736U JP 12085090 U JP12085090 U JP 12085090U JP 12085090 U JP12085090 U JP 12085090U JP H0478736 U JPH0478736 U JP H0478736U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- fixed
- terminal
- movable
- switch
- 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
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Description
第１図は本考案による圧力スイツチの一実施例
を示す拡大断面図、第２図は本考案の実用例が適
用される自動車用パワーステアリング装置のオイ
ルポンプを示す断面図である。
１……ポンプケーシング、１０……圧力スイツ
チ、１１……油圧回路、１２……スイツチハウジ
ング、１８……固定端子、２０……可動端子、２
１……受圧ピン、２１ａ……受圧面、２２……ス
プリング、２３……弾性ボール。
FIG. 1 is an enlarged cross-sectional view showing one embodiment of a pressure switch according to the present invention, and FIG. 2 is a cross-sectional view showing an oil pump of an automobile power steering system to which a practical example of the present invention is applied. DESCRIPTION OF SYMBOLS 1... Pump casing, 10... Pressure switch, 11... Hydraulic circuit, 12... Switch housing, 18... Fixed terminal, 20... Movable terminal, 2
1... Pressure receiving pin, 21a... Pressure receiving surface, 22... Spring, 23... Elastic ball.
Claims (1)
グの一端に固着された固定端子からなる固定部材
と、上記固定端子に対して、常態において非接触
状態に配置された可動端子及び上記可動端子と一
体的に設けられ、油圧回路内の圧力を受ける受圧
ピストンからなる可動部材とを備えた圧力スイツ
チにおいて、上記受圧ピストンの受圧面が臨む油
圧回路内に、ゴム材等で成形された弾性ボールを
挿入して、該弾性ボールの弾発力によりオン・オ
フ動作時上記可動部材にヒステリシスをもたらす
ようにしたことを特徴とする圧力スイツチ。 A fixed member consisting of a switch housing and a fixed terminal fixed to one end of the switch housing, a movable terminal disposed in a non-contact state under normal conditions with respect to the fixed terminal, and a fixed member integrally provided with the movable terminal, and a hydraulic In a pressure switch equipped with a movable member consisting of a pressure-receiving piston that receives pressure within the circuit, an elastic ball made of a rubber material or the like is inserted into the hydraulic circuit facing the pressure-receiving surface of the pressure-receiving piston. A pressure switch characterized in that the elastic force of the pressure switch causes hysteresis in the movable member during on/off operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12085090U JP2546801Y2 (en) | 1990-11-20 | 1990-11-20 | pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12085090U JP2546801Y2 (en) | 1990-11-20 | 1990-11-20 | pressure switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0478736U true JPH0478736U (en) | 1992-07-09 |
| JP2546801Y2 JP2546801Y2 (en) | 1997-09-03 |
Family
ID=31868736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12085090U Expired - Lifetime JP2546801Y2 (en) | 1990-11-20 | 1990-11-20 | pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2546801Y2 (en) |
-
1990
- 1990-11-20 JP JP12085090U patent/JP2546801Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2546801Y2 (en) | 1997-09-03 |
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