JPS6029169B2 - pressure sensing device - Google Patents
pressure sensing deviceInfo
- Publication number
- JPS6029169B2 JPS6029169B2 JP2107584A JP2107584A JPS6029169B2 JP S6029169 B2 JPS6029169 B2 JP S6029169B2 JP 2107584 A JP2107584 A JP 2107584A JP 2107584 A JP2107584 A JP 2107584A JP S6029169 B2 JPS6029169 B2 JP S6029169B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- pressure
- transmission pin
- sensing device
- snap
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 239000012212 insulator Substances 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000001747 pupil Anatomy 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 241000287127 Passeridae Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は主に冷煤を使用した蒸気圧縮式冷房装置におけ
る冷媒の異常高圧を検知するためにスナップ動作ダイヤ
フラムを用いた圧力検知装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a pressure detection device using a snap-action diaphragm to detect abnormally high pressure of refrigerant in a vapor compression type cooling system mainly using cold soot. .
従釆例の構成とその問題点
．従来受圧部を構成しているスナップ動作ダイヤフラム
の変位を伝達ピンを介して電源部のＯＮ−ＯＦＦの切換
えを行なう際、受圧部と電源部に測定用の治具を設け、
受圧部のスナップ動作ダイヤフラム端面から電源部の可
動接片が通常ＯＮの位置からＯＦＦになるまでの距離を
測定し、伝達ピンの長さを決定した後、電源部と受圧部
間に組込み圧力検知装置として正常に働くような調整方
法を取っていた。The structure of subordinate examples and their problems. Conventionally, when the displacement of the snap-action diaphragm that constitutes the pressure receiving part is switched on and off in the power supply part via a transmission pin, a measuring jig is installed in the pressure receiving part and the power supply part.
Snap action of the pressure receiving part Measure the distance from the end of the diaphragm to the point where the movable contact piece of the power supply part goes from the normally ON position to the OFF position, determine the length of the transmission pin, and then install it between the power supply part and the pressure receiving part to detect pressure. An adjustment method was used to ensure that the device worked properly.
しかしスナップ動作ダイヤフラムの変位檀が微小なため
、受圧部のダイヤフラム端面から電源部の可動鞍片まで
の距離を測定し伝達ピンの長さを決定する方法は、測定
誤差が大きく、また伝達ピンの寸法を各種そろえておか
ねばならず、作業性も悪くなり安定した製品を作成する
ことが困難であった。発明の目的
本発明は上記欠点に鑑み、受圧部と電源部の組込み調整
が容易に行える圧力検知装置を提供するものである。However, since the displacement of the snap action diaphragm is minute, the method of determining the length of the transmission pin by measuring the distance from the end face of the diaphragm of the pressure receiving part to the movable saddle of the power supply part has a large measurement error, and also Dimensions had to be made uniform, which resulted in poor workability and made it difficult to create stable products. OBJECTS OF THE INVENTION In view of the above-mentioned drawbacks, the present invention provides a pressure sensing device in which the installation and adjustment of the pressure receiving part and the power supply part can be easily performed.
発明の構成
上記目的を達成するために本発明は圧力流体導入口を有
する第１の崖体の一部にダイヤフラムとスナップ動作ダ
イヤフラムの積層体を取付け、このダイヤフラムによっ
て形成された隅室を形成するスベーサの中央に伝達ピン
を組込み、上記第１の雀体の一部側に受入結合された第
２の鐘体内に端子と可動端子を有する絶縁部村を組込ん
でスイッチ部とし、上記伝達ピンの中間部を可動端子に
保持させ、第２の篤体の底面に螺合した調整ねじを伝達
ピンに対応させる構成としたものである。Structure of the Invention In order to achieve the above object, the present invention includes attaching a laminate of a diaphragm and a snap-action diaphragm to a part of a first cliff body having a pressure fluid inlet, and forming a corner chamber formed by the diaphragm. A transmission pin is incorporated in the center of the switch, and an insulating part having a terminal and a movable terminal is incorporated into a second bell body which is received and coupled to a part of the first sparrow body to form a switch part, and the transmission pin A movable terminal holds the intermediate portion of the second body, and an adjustment screw screwed into the bottom surface of the second body corresponds to the transmission pin.
調整ねじを用いることにより、一定寸法の伝達ピンが使
用でき組込みが非常に容易なものとなる。実施例の説明
以下本発明の一実施例における圧力検知装置を図によっ
て説明する。By using the adjustment screw, a transmission pin of a fixed size can be used, making installation very easy. DESCRIPTION OF EMBODIMENTS A pressure sensing device according to an embodiment of the present invention will be described below with reference to the drawings.
第１図において１は第１の誓体で、この第１の鯵体１は
圧力検出部への取付けねじ部２、締付用の六角柱部３、
圧力流体の導入口４およびダイヤフラム銭め部５が形成
されている。圧力流体導入口４と隅室９とを分離密閉し
ているステンレス薄板よりなるダイヤフラム６は第１の
崖体１の端面に設けられたりングプロジェクション用突
起部７でダイヤフラム６はプロジェクション溶接により
第１の笹体１に固着され、圧力流体導入口４と隅室９と
を分離密閉している。また、この溶接されたダイヤフラ
ム６はスナップ動作ダイヤフラム８に重ねられ、更にス
ベーサ１０が挿入された状態で第１の蔭体１のダイヤフ
ラム絞め部５により銭め固定され、ダイヤフラム６とス
ナップ動作ダイヤフラム８とは密着状態になっている。
この状態でダイヤフラム６に圧力を受けると圧力はスナ
ップ動作ダイヤフラム８に伝わり、設定圧力以上の圧力
を受けるとスナップ動作を行なうようになっている。１
１は第２の錘体で、この第２の誓体１１はスイッチ部を
収納している。In FIG. 1, 1 is a first body, and this first body 1 includes a screw part 2 for mounting the pressure detection part, a hexagonal column part 3 for tightening,
A pressure fluid inlet 4 and a diaphragm reservoir 5 are formed. A diaphragm 6 made of a thin stainless steel plate that separates and seals the pressure fluid inlet 4 and the corner chamber 9 is provided on the end face of the first cliff body 1 at a projecting projection 7 for projection welding. The pressure fluid inlet 4 and the corner chamber 9 are separated and hermetically sealed. Further, this welded diaphragm 6 is stacked on the snap-action diaphragm 8, and furthermore, with the spacer 10 inserted, it is fixed by the diaphragm constriction portion 5 of the first housing 1, and the diaphragm 6 and the snap-action diaphragm 8 are in close contact with.
When pressure is applied to the diaphragm 6 in this state, the pressure is transmitted to the snap action diaphragm 8, and when the pressure exceeds the set pressure, the snap action is performed. 1
1 is a second weight body, and this second weight body 11 accommodates a switch section.
１３は絶縁部材で、この絶縁部材１３は第２の瞳体１１
とりペット銭めにより固定されている。13 is an insulating member, and this insulating member 13 is connected to the second pupil body 11.
It is fixed by a pet coin.
この絶縁部材１３には端子１４，１５が絞め固定し、端
子１５と対向した位置に接点１８，１９が絞め固定され
ている。２０は伝達ピンで、この伝達ピン２川まスベー
サ１０の中心の孔１７に挿入されすべり運動ができるよ
うになっている。Terminals 14 and 15 are clamped and fixed to this insulating member 13, and contacts 18 and 19 are clamped and fixed at positions facing the terminal 15. Reference numeral 20 denotes a transmission pin, which is inserted into a hole 17 at the center of the base plate 10 so as to be able to slide.
この伝達ピン２川まスイッチ部にある可動綾片１６に接
するところで小径になって段付となり、小径部の方は可
動綾片１６の中央にある小孔を適って調整ねじ２１の先
端と対向し、スナップ動作ダイヤフラム８が反転した時
にその先端面に接するようになっている。また、この調
整ねじ２１はスイッチ部を収納した第２の蓮体１１のね
じ部に取付位置が調整可能なように螺合により取り付け
られている。そしてこの第２の錘体１１は、第１の篭体
１と圧入部分１２で圧入固定されている。すなわち、篤
体１の圧力流体導入口４より圧力を加え、スナップ動作
ダイヤフラム８が反転した状態において、第２の錘体１
１のスイッチ部における可動俊片１６が伝達ピン２０で
押し付けられ、スイッチ部がＯＮの状態からＯＦＦの状
態になる位置まで、誓体１１を瞳体１に圧入を行ない圧
力検知装置としての機能が満足するように第２図の第１
の錘体におけるダイヤフラムの圧力一変位を示す圧力特
性図においてダイヤフラムの変位量Ａの範囲に第１図の
Ｂ寸法を圧入調整することにより圧力検知装置として最
適な機能を有する事になる。また上記伝達ピン２０と調
整ねじ２１により、スナップ動作ダイヤフラムａの反転
後の位置調整が出釆るようになっており圧力が減少して
スナップ動作ダイヤフラム８が再度反転して元の状態に
復帰する時の復帰圧力値の調整をも行なう事が出来る。
発明の効果
上記から明らかなように本発明による圧力検知装置では
、従来拾具による受圧部のスナップ動作ダイヤフラム端
面から電線部の可動接片が通常ＯＮの位置からＯＦＦに
なるまでの距離測定による伝達ピンの寸法を決定するこ
とによる測定誤差をなくし、作業性が大きく改善され、
安定した製品を作成することが容易にできる実用価値の
高いものである。The transmission pin 2 becomes smaller in diameter and stepped when it comes into contact with the movable twill piece 16 in the switch section, and the small diameter part faces the tip of the adjustment screw 21 through the small hole in the center of the movable twill piece 16. However, when the snap action diaphragm 8 is reversed, it comes into contact with its tip surface. Further, the adjustment screw 21 is screwed onto a threaded portion of the second lotus body 11 housing the switch portion so that its mounting position can be adjusted. The second weight body 11 is press-fitted and fixed to the first housing 1 using a press-fitting portion 12 . That is, when pressure is applied from the pressure fluid inlet 4 of the weight body 1 and the snap action diaphragm 8 is inverted, the second weight body 1
The movable piece 16 in the switch part 1 is pressed by the transmission pin 20, and the oath body 11 is press-fitted into the pupil body 1 until the switch part changes from the ON state to the OFF state, thereby functioning as a pressure detection device. 1 of Fig. 2 to be satisfied.
In the pressure characteristic diagram showing the pressure-displacement of the diaphragm in the weight body, by press-fitting and adjusting dimension B in FIG. Furthermore, the transmission pin 20 and adjustment screw 21 enable the position adjustment of the snap action diaphragm a after it is reversed, and as the pressure decreases, the snap action diaphragm 8 is reversed again and returns to its original state. It is also possible to adjust the return pressure value.
Effects of the Invention As is clear from the above, in the pressure sensing device according to the present invention, the snap action of the pressure receiving part is transmitted by measuring the distance from the end face of the diaphragm to the movable contact piece of the electric wire part from the normally ON position to the OFF position using a conventional pick-up tool. Eliminates measurement errors caused by determining pin dimensions, greatly improves work efficiency,
It is of high practical value and allows for easy creation of stable products.
第１図は本発明の一実施例による圧力検知装置の内部構
造を示す断面図、第２図は同装置の圧力変位層の関係図
である。
１・・・・・・第１の蟹体、２・・・・・・取付けねじ
部、３・・・・・・六角柱部、４・・・・・・導入口、
５・・・・・・ダイヤフラム鉄め部、６・・・・・・ダ
イヤフラム、７……リングプロジェクション用突起、８
・・・・・・スナップ動作ダイアフラム、９・・・・・
・隅壁、１０…・・・スベーサ、１１・・・・・・第２
の錘体、１２・・・・・・圧入部分、１３・・・・・・
絶縁部材、１４，１５……端子、１６・・・・・・可動
端子、１７・・・・・・中心孔、１８，１９・・・・・
・接点、２０・・・・・・伝達ピン、２１・・・・・・
調整ねじ。
第１図
第２図FIG. 1 is a sectional view showing the internal structure of a pressure sensing device according to an embodiment of the present invention, and FIG. 2 is a relationship diagram of the pressure displacement layer of the device. DESCRIPTION OF SYMBOLS 1...First crab body, 2...Mounting screw part, 3...Hexagonal column part, 4...Introduction port,
5...Diaphragm iron part, 6...Diaphragm, 7...Protrusion for ring projection, 8
...Snap action diaphragm, 9...
・Corner wall, 10...subesa, 11...2nd
Weight body, 12...Press-fitting part, 13...
Insulating member, 14, 15... terminal, 16... movable terminal, 17... center hole, 18, 19...
・Contact, 20...Transmission pin, 21...
Adjustment screw. Figure 1 Figure 2
Claims (1)
フラムとスナツプ動作ダイヤフラムの積層体を取付け、
このダイヤフラムによつて形成された隅室を形成するス
ペーサの中央に伝達ピンを組込み、上記第１の筐体の一
部側に圧入結合された第２の筐体内に端子と可動端子を
有する絶縁部材を組込んでスイツチ部とし、上記伝達ピ
ンの中間部を可動端子に保持させ、第２の筐体の底面に
螺合した調整ねじを伝達ピンに対応させてなる圧力検知
装置。1 Attach a stacked body of a diaphragm and a snap-action diaphragm to a part of the first housing having the pressure fluid inlet,
A transmission pin is incorporated in the center of a spacer forming a corner chamber formed by the diaphragm, and an insulator having a terminal and a movable terminal inside a second casing press-fitted to a part of the first casing. A pressure sensing device in which a member is assembled to form a switch part, an intermediate part of the transmission pin is held by a movable terminal, and an adjustment screw screwed into the bottom surface of a second casing is made to correspond to the transmission pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2107584A JPS6029169B2 (en) | 1984-02-07 | 1984-02-07 | pressure sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2107584A JPS6029169B2 (en) | 1984-02-07 | 1984-02-07 | pressure sensing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59149619A JPS59149619A (en) | 1984-08-27 |
| JPS6029169B2 true JPS6029169B2 (en) | 1985-07-09 |
Family
ID=12044767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2107584A Expired JPS6029169B2 (en) | 1984-02-07 | 1984-02-07 | pressure sensing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6029169B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6246651U (en) * | 1985-09-09 | 1987-03-23 | ||
| JPH036399A (en) * | 1989-06-02 | 1991-01-11 | Nissan Motor Co Ltd | Feeder for plating auxiliary electrode |
-
1984
- 1984-02-07 JP JP2107584A patent/JPS6029169B2/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6246651U (en) * | 1985-09-09 | 1987-03-23 | ||
| JPH036399A (en) * | 1989-06-02 | 1991-01-11 | Nissan Motor Co Ltd | Feeder for plating auxiliary electrode |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59149619A (en) | 1984-08-27 |
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