JPH0356985Y2 - - Google Patents
Info
- Publication number
- JPH0356985Y2 JPH0356985Y2 JP1986049990U JP4999086U JPH0356985Y2 JP H0356985 Y2 JPH0356985 Y2 JP H0356985Y2 JP 1986049990 U JP1986049990 U JP 1986049990U JP 4999086 U JP4999086 U JP 4999086U JP H0356985 Y2 JPH0356985 Y2 JP H0356985Y2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- switch
- fitting hole
- diaphragm
- switch case
- 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
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Description
【考案の詳細な説明】
〔考案の目的〕
（産業上の利用分野）
本考案は、例えば、自動車などの限られた狭い
箇所に圧力スイツチを取付ける圧力スイツチの取
付け装置に関する。[Detailed Description of the Invention] [Objective of the Invention] (Field of Industrial Application) The present invention relates to a pressure switch mounting device for mounting a pressure switch in a limited narrow space such as an automobile.
（従来の技術）
従来のこの種の圧力スイツチは、スイツチケー
スに六角形状部を形成し、このスイツチケースを
スパナなどの工具を係合して回動し、このスイツ
チケースのねじ部にナツトを螺合締付けにより取
付ける構造が採られていた。(Prior art) This type of conventional pressure switch has a hexagonal shaped part formed in the switch case, and the switch case is rotated by engaging a tool such as a spanner, and a nut is inserted into the threaded part of the switch case. A structure was adopted in which it was attached by screwing and tightening.
（考案が解決しようとする問題点）
上記従来の構造の圧力スイツチの取付け装置で
は、スパナなどの工具を用いて取付けなくてはな
らず、スパナなどの工具を操作するスペースを必
要とし、特に、被圧力制御本体の奥深い箇所に取
付けることが困難であるなどの問題を有してい
る。(Problems to be Solved by the Invention) In the pressure switch mounting device of the conventional structure described above, it must be mounted using a tool such as a spanner, and a space is required to operate the tool such as a spanner. It has problems such as being difficult to install it deep inside the pressure controlled body.
本考案は上記問題点に鑑みなされたもので、ス
イツチケースを被圧力制御本体に形成した嵌合孔
に嵌挿するのみで容易にかつ狭い箇所でも取付け
ることのできる圧力スイツチの取付け装置を提供
するものである。 The present invention was devised in view of the above-mentioned problems, and provides a pressure switch mounting device that can be easily mounted even in narrow spaces by simply fitting the switch case into a fitting hole formed in a pressure-controlled body. It is something.
（問題点を解決するための手段）
本考案の圧力スイツチの取付け装置は、一端に
圧力検出用開口部１１を有し円筒形状に形成され
かつ外周に係合段部２４を形成したスイツチケー
ス１０と、このスイツチケース１０内に前記圧力
検出用開口部１１に対向して取付けられこの圧力
検出用開口部側１１に圧力室１６を形成するとと
もに反対側にスイツチ室１７を形成するダイアフ
ラム１５と、前記スイツチ室１７に進退自在に設
けられ前記ダイアフラム１５に当接されるピスト
ン１８と、このピストン１８を前記ダイアフラム
１５に当接する方向に付勢するスプリング１９
と、前記スイツチ室１７内に設けられた固定接点
２０に前記ピストン１８の進退により接離される
可動接点２１とを備えた圧力スイツチを有し、こ
の圧力スイツチのスイツチケース１０を被圧力制
御本体１２に形成した嵌合孔１４にＯリング２５
を介して気密に挿入してこのスイツチケース１０
の一端の圧力検出用開口部１１を嵌合孔１４の内
端側に連通した圧力導入孔１３に対向させ、前記
嵌合孔１４に嵌合したスイツチケース１０の係合
段部２４に前記嵌合孔１４に係止されたばねリン
グ２２を係合して前記スイツチケース１０を嵌合
孔１４に保持したものである。
(Means for Solving the Problems) The pressure switch mounting device of the present invention consists of a switch case 10 which has a pressure detection opening 11 at one end, is formed into a cylindrical shape, and has an engaging stepped portion 24 formed on the outer periphery. and a diaphragm 15 that is installed in the switch case 10 facing the pressure detection opening 11 and forms a pressure chamber 16 on the pressure detection opening side 11 and a switch chamber 17 on the opposite side; A piston 18 is provided in the switch chamber 17 so as to be able to move forward and backward and comes into contact with the diaphragm 15, and a spring 19 urges the piston 18 in a direction where it comes into contact with the diaphragm 15.
and a movable contact 21 that is moved toward and away from a fixed contact 20 provided in the switch chamber 17 as the piston 18 advances and retreats, and the switch case 10 of the pressure switch is connected to the pressure controlled body 12. Insert an O-ring 25 into the fitting hole 14 formed in the
This switch case 10 can be inserted airtight through the
The pressure detection opening 11 at one end faces the pressure introduction hole 13 communicating with the inner end side of the fitting hole 14, and the fitting step 24 of the switch case 10 fitted into the fitting hole 14 is inserted into the fitting hole 14. The switch case 10 is held in the fitting hole 14 by engaging the spring ring 22 which is locked in the fitting hole 14.
（作用）
本考案の圧力スイツチの取付け装置は、被圧力
制御本体１２に形成されている嵌合孔１４に嵌合
して、圧力スイツチのスイツチケース１０の一端
の圧力検出用開口部１１を嵌合孔１４の内端側に
連通した圧力導入孔１３に対向させ、嵌合孔１４
に係止されたばねリング２２にスイツチケース１
０の係合段部２４を係合してスイツチケース１０
を嵌合孔１４に保持する。そして、被圧力制御本
体１２の制御内部２３の圧力変化は圧力導入孔１
３からスイツチケース１０の圧力検出用開口部１
１に伝達され、ダイアフラム１５がスプリング１
９に抗して、またはスプリング１９により進退さ
れ、被圧力制御本体１２の制御内部２３の圧力の
増加によりダイアフラム１５がスプリング１９に
抗して押圧変形すると、ピストン１８が後退し、
可動接点２１は固定接点２０に接触されてスイツ
チは閉成され圧力の上昇が検出される。また、被
圧力制御本体１２の制御内部２３の圧力が低下す
ると、ダイアフラム１５にかかる圧力が減少し、
スプリング１９によつてピストン１８は進出さ
れ、可動接点２１は固定接点２０から離れてスイ
ツチは解放される。(Function) The pressure switch mounting device of the present invention fits into the fitting hole 14 formed in the pressure controlled body 12, and the pressure detection opening 11 at one end of the switch case 10 of the pressure switch. The fitting hole 14 is opposed to the pressure introduction hole 13 communicating with the inner end side of the fitting hole 14.
The switch case 1 is attached to the spring ring 22 that is locked to the switch case 1.
0 and the switch case 10 is engaged.
is held in the fitting hole 14. The pressure change in the control interior 23 of the pressure controlled main body 12 is controlled by the pressure introduction hole 1.
3 to the pressure detection opening 1 of the switch case 10
1, and the diaphragm 15
9 or by the spring 19, and when the diaphragm 15 is pressed and deformed against the spring 19 due to an increase in the pressure in the control interior 23 of the pressure-controlled main body 12, the piston 18 retreats.
The movable contact 21 is brought into contact with the fixed contact 20, the switch is closed, and an increase in pressure is detected. Furthermore, when the pressure in the control interior 23 of the pressure-controlled main body 12 decreases, the pressure applied to the diaphragm 15 decreases,
The piston 18 is advanced by the spring 19, the movable contact 21 is separated from the fixed contact 20, and the switch is released.
（実施例）
本考案の一実施例の構成を図面について説明す
る。(Example) The configuration of an example of the present invention will be described with reference to the drawings.
１０はスイツチケースで、このスイツチケース
１０は一端に圧力検出用開口部１１を有し被圧力
制御本体１２に形成した圧力導入孔１３に連通す
る嵌合孔１４に嵌挿固定されるように外周面は滑
らかな円筒形状に形成され、このスイツチケース
１０は中間部より前記圧力検出用開口部１１側と
反対側が径小となるように段部２４が形成されて
いる。そして、このスイツチケース１０内には前
記圧力検出用開口部１１に対向してダイアフラム
１５が取付けられ、このダイアフラム１５によつ
て圧力検出用開口部１１側に圧力室１６が形成さ
れ、この圧力室１６が形成され、この圧力室１６
と反対側にスイツチ室１７が形成されている。こ
のスイツチ室１７に前記ダイアフラム１５に当接
されるピストン１８が前記ダイアフラム１５に対
して進退自在に設けられ、このピストン１８は前
記ダイアフラム１５に当接する方向にスプリング
１９にて付勢されている。 10 is a switch case, and this switch case 10 has a pressure detection opening 11 at one end, and has an outer periphery so as to be fitted and fixed into a fitting hole 14 communicating with a pressure introduction hole 13 formed in a pressure controlled main body 12. The surface of the switch case 10 is formed into a smooth cylindrical shape, and the switch case 10 is formed with a stepped portion 24 such that the diameter is smaller on the side opposite to the pressure detection opening 11 from the middle portion. A diaphragm 15 is mounted inside the switch case 10 facing the pressure detection opening 11, and a pressure chamber 16 is formed on the pressure detection opening 11 side by the diaphragm 15. 16 is formed, and this pressure chamber 16
A switch chamber 17 is formed on the opposite side. A piston 18 that abuts the diaphragm 15 is provided in the switch chamber 17 so as to be able to move forward and backward with respect to the diaphragm 15, and the piston 18 is biased by a spring 19 in the direction of abutting the diaphragm 15.
また前記スイツチ室１７に設けられた一対の固
定接点２０，２０にそれぞれ接離される一対の可
動接点２１，２１が前記ピストン１８に設けら
れ、このピストン１８の進退により可動接点２
１，２１が固定接点２０，２０に接離される。 Further, a pair of movable contacts 21, 21 are provided on the piston 18, which are brought into contact with and separated from a pair of fixed contacts 20, 20 provided in the switch chamber 17, respectively.
1 and 21 are brought into contact with and separated from fixed contacts 20 and 20.
また、前記被圧力制御本体１２の嵌合孔１４は
制御内部２３側に径小の圧力導入孔１３を介して
連通され、この嵌合孔１４に前記スイツチケース
１０の外周面に圧接されるＯリング２５の嵌合溝
２６が形成され、さらに、この嵌合孔１４の外側
は多少拡径され、この嵌合孔１４の拡径段部に前
記スイツチケース１０の段部２４に係止してスイ
ツチケース１０を保持するばねリング２２の係止
溝２８が形成されている。 Further, the fitting hole 14 of the pressure controlled main body 12 is communicated with the control interior 23 side through a small diameter pressure introduction hole 13, and an O A fitting groove 26 of the ring 25 is formed, and the outer side of the fitting hole 14 is slightly enlarged in diameter, and the fitting hole 14 is engaged with the stepped portion 24 of the switch case 10 at the enlarged diameter stepped portion of the fitting hole 14. A locking groove 28 for the spring ring 22 that holds the switch case 10 is formed.
なお図中３０はリード線である。 Note that 30 in the figure is a lead wire.
次にこの実施例の作用を説明する。 Next, the operation of this embodiment will be explained.
被圧力制御本体１２の嵌合孔１４にスイツチケ
ース１０を外側から嵌挿すると、スイツチケース
１０の前面側は圧力導入孔１３との連通部の段部
２９に係合され、スイツチケース１０の外周面は
嵌合孔１４の嵌合溝２６に係合したＯリング２５
に圧接され、被圧力制御本体１２の制御内部２３
側と被圧力制御本体１２の外側とは気密に保持さ
れる。そして、スイツチケース１０の段部２４に
嵌合孔１４の係止溝２８に係止したばねリング２
２が係合されて抜け止めされ、スイツチケース１
０は嵌合孔１４に嵌挿保持される。 When the switch case 10 is fitted into the fitting hole 14 of the pressure-controlled main body 12 from the outside, the front side of the switch case 10 is engaged with the stepped portion 29 of the communicating part with the pressure introduction hole 13, and the outer periphery of the switch case 10 is The surface is an O-ring 25 engaged with the fitting groove 26 of the fitting hole 14.
The control interior 23 of the pressure controlled main body 12 is pressed against the
The side and the outside of the pressure controlled main body 12 are kept airtight. The spring ring 2 is engaged with the engagement groove 28 of the fitting hole 14 in the stepped portion 24 of the switch case 10.
2 is engaged and prevented from coming off, and the switch case 1
0 is fitted and held in the fitting hole 14.
そして、被圧力制御本体１２の制御内部２３の
圧力変化は圧力導入孔１３からスイツチケース１
０の圧力検出用開口部１１に伝達され、ダイアフ
ラム１５がスプリング１９に抗して、またはスプ
リング１９により進退される。被圧力制御本体１
２の制御内部２３の圧力の増加によりダイアフラ
ム１５がスプリング１９に抗して押圧変形される
と、ピストン１８が後退し、可動接点２１は固定
接点２０に接触されてスイツチは閉成され圧力の
上昇が検出される。 The pressure change in the control interior 23 of the pressure controlled main body 12 is transferred from the pressure introduction hole 13 to the switch case 1.
The pressure is transmitted to the pressure detection opening 11 of 0, and the diaphragm 15 is moved back and forth against the spring 19 or by the spring 19. Pressure controlled body 1
When the diaphragm 15 is pressed and deformed against the spring 19 due to an increase in the pressure inside the control unit 23 of No. 2, the piston 18 retreats, the movable contact 21 comes into contact with the fixed contact 20, and the switch is closed, causing an increase in pressure. is detected.
また、被圧力制御本体１２の制御内部２３の圧
力が低下すると、ダイアフラム１５にかかる圧力
が減少し、スプリング１９によつてピストン１８
は進出され、可動接点２１は固定接点２０から離
れてスイツチは開放される。 Furthermore, when the pressure in the control interior 23 of the pressure-controlled main body 12 decreases, the pressure applied to the diaphragm 15 decreases, and the spring 19 causes the piston 18 to
is advanced, the movable contact 21 is separated from the fixed contact 20, and the switch is opened.
〔考案の効果〕
本考案によれば、スイツチの取付けが簡単で、
被圧力制御本体の制御部に容易に取付けることが
でき、スイツチケースの露出部分が少なく、スパ
ナなどの工具を用いずに狭い箇所でも取付けがで
き、取付け作業性を向上できるものである。[Effects of the invention] According to the invention, it is easy to install the switch,
It can be easily attached to the control section of the pressure controlled main body, there is little exposed part of the switch case, it can be attached even in narrow places without using tools such as spanners, and the installation work efficiency can be improved.
図は本考案の一実施例を示す圧力スイツチの取
付け装置の断面図である。
１０……スイツチケース、１１……圧力検出用
開口部、１２……被圧力制御本体、１３……圧力
導入孔、１４……嵌合孔、１５……ダイアフラ
ム、１６……圧力室、１７……スイツチ室、１８
……ピストン、１９……スプリング、２０……固
定接点、２１……可動接点、２２……ばねリン
グ。
The figure is a sectional view of a pressure switch mounting device showing an embodiment of the present invention. 10... Switch case, 11... Pressure detection opening, 12... Pressure controlled body, 13... Pressure introduction hole, 14... Fitting hole, 15... Diaphragm, 16... Pressure chamber, 17... …Switch room, 18
... Piston, 19 ... Spring, 20 ... Fixed contact, 21 ... Movable contact, 22 ... Spring ring.
Claims (1)
されかつ外周に係合段部を形成したスイツチケー
スと、このスイツチケース内に前記圧力検出用開
口部に対向して取付けられこの圧力検出用開口部
側に圧力室を形成するとともに反対側にスイツチ
室を形成するダイアフラムと、前記スイツチ室に
進退自在に設けられ前記ダイアフラムに当接され
るピストンと、このピストンを前記ダイアフラム
に当接する方向に付勢するスプリングと、前記ス
イツチ室内に設けられた固定接点に前記ピストン
の進退により接離される可動接点とを備えた圧力
スイツチを有し、 この圧力スイツチのスイツチケースを被圧力制
御本体に形成した嵌合孔にＯリングを介して気密
に挿入してこのスイツチケースの一端の圧力検出
用開口部を嵌合孔の内端側に連通した圧力導入孔
に対向させ、 前記嵌合孔に嵌合したスイツチケースの係合段
部に前記嵌合孔に係止されたばねリングを係合し
て前記スイツチケースを嵌合孔に保持したことを
特徴とする圧力スイツチの取付け装置。[Claims for Utility Model Registration] A switch case formed in a cylindrical shape with a pressure detection opening at one end and an engagement step formed on the outer periphery; a diaphragm that is attached to the pressure detection opening and forms a pressure chamber on the side of the pressure detection opening and a switch chamber on the opposite side; a piston that is provided in the switch chamber so as to be able to move forward and backward and abut against the diaphragm; a pressure switch including a spring that urges the diaphragm in a direction to contact the diaphragm, and a movable contact that connects and separates from a fixed contact provided in the switch chamber as the piston advances and retreats, and a switch case of the pressure switch. is airtightly inserted into a fitting hole formed in the pressure controlled body through an O-ring, and the pressure detection opening at one end of the switch case is opposed to the pressure introduction hole communicating with the inner end of the fitting hole. , a pressure switch characterized in that a spring ring locked in the fitting hole is engaged with an engaging stepped portion of the switch case fitted in the fitting hole to hold the switch case in the fitting hole. Mounting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986049990U JPH0356985Y2 (en) | 1986-04-03 | 1986-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986049990U JPH0356985Y2 (en) | 1986-04-03 | 1986-04-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62161736U JPS62161736U (en) | 1987-10-14 |
| JPH0356985Y2 true JPH0356985Y2 (en) | 1991-12-25 |
Family
ID=30872944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986049990U Expired JPH0356985Y2 (en) | 1986-04-03 | 1986-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0356985Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53163567U (en) * | 1977-05-30 | 1978-12-21 |
-
1986
- 1986-04-03 JP JP1986049990U patent/JPH0356985Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62161736U (en) | 1987-10-14 |
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