JPS5838208Y2 - valve - Google Patents
valveInfo
- Publication number
- JPS5838208Y2 JPS5838208Y2 JP1979159395U JP15939579U JPS5838208Y2 JP S5838208 Y2 JPS5838208 Y2 JP S5838208Y2 JP 1979159395 U JP1979159395 U JP 1979159395U JP 15939579 U JP15939579 U JP 15939579U JP S5838208 Y2 JPS5838208 Y2 JP S5838208Y2
- Authority
- JP
- Japan
- Prior art keywords
- movable member
- coil spring
- compression coil
- port
- hole
- 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
- Springs (AREA)
- Magnetically Actuated Valves (AREA)
Description
【考案の詳細な説明】
本考案はポートを開閉する可動部材及びこの可動部材を
ポート閉方向に付勢する圧縮コイルスプリングを備える
バルブに関し、例えば自動車の排気浄化装置等に用いる
負圧制御弁として使用して有効である。[Detailed Description of the Invention] The present invention relates to a valve equipped with a movable member that opens and closes a port and a compression coil spring that biases the movable member in the port closing direction, and is used as a negative pressure control valve used, for example, in an automobile exhaust purification system. Use and be effective.
従来この種のバルブは第１図の様に構成されていた。Conventionally, this type of valve has been constructed as shown in FIG.
図中２は弁室９内に配設された可動部材で、コイル１の
磁力に応じて弁室９内を移動するようになっている。In the figure, reference numeral 2 denotes a movable member disposed within the valve chamber 9, which moves within the valve chamber 9 in accordance with the magnetic force of the coil 1.
即ち、コイル１に通電されていない時には図示の如く可
動部材２が圧縮コイルスプリング３に付勢されてポート
４を閉じ、ポート５゜６間が連通ずる。That is, when the coil 1 is not energized, the movable member 2 is urged by the compression coil spring 3 to close the port 4 as shown in the figure, and the ports 5 and 6 communicate with each other.
また、コイル１に通電されると可動部材２はスプリング
３に抗してステータ７側に吸引され、ポート４，５間が
連通ずるようになっている。Further, when the coil 1 is energized, the movable member 2 is attracted toward the stator 7 against the spring 3, so that the ports 4 and 5 communicate with each other.
そして、ポート５は図示しない負圧源に連通し、ポート
６は大気に導通しており、従って大気圧と負圧との間で
調整された圧力が出力圧力としてポート４より導出され
るようになっている。Port 5 communicates with a negative pressure source (not shown), and port 6 communicates with the atmosphere, so that the pressure adjusted between atmospheric pressure and negative pressure is led out from port 4 as output pressure. It has become.
ところで、この種のバルブではポート６の圧力がポート
４へ伝達されるよう弁室９内面と可動部材２外面との間
には所定の間隙が設けられている。Incidentally, in this type of valve, a predetermined gap is provided between the inner surface of the valve chamber 9 and the outer surface of the movable member 2 so that the pressure in the port 6 is transmitted to the port 4.
その為、可動部材２が傾くこともあり、傾いた場合には
可動部材２の動きにスムーズさが欠けたり、ポートの確
実なシールができないという問題が生ずる。Therefore, the movable member 2 may be tilted, and when it is tilted, problems arise in that the movement of the movable member 2 lacks smoothness and the port cannot be reliably sealed.
そこで本考案は、可動部材とスプリングの取付構造を改
良して、可動部材が常に正規の姿勢を保ち得るようにす
ることを目的とする。Therefore, an object of the present invention is to improve the mounting structure between the movable member and the spring so that the movable member can always maintain its normal posture.
そして、この目的達成の為、本考案では可動部材に圧縮
コイルスプリング内径より微小量大径の孔を設け、かつ
圧縮コイルスプリングの一端側を密巻き形成して、この
コイルスプリングの一端側を可動部材の孔に保持すると
いう基本的構成を採用する。In order to achieve this objective, the present invention provides a hole in the movable member with a diameter slightly larger than the inner diameter of the compression coil spring, and also forms a tightly wound one end of the compression coil spring so that the one end of the coil spring can be moved. A basic configuration is adopted in which it is held in a hole in a member.
この構成の採用により、本考案のバルブではたとえ可動
部材が弁室内で傾いたとしても、スプリングが孔内の最
深部（第２図中す点）と開口端部（第２図中ａ点）とで
孔内面に当接し、可動部材に復元力（第２図中Ｃ）を与
えることができる。By adopting this configuration, in the valve of the present invention, even if the movable member is tilted within the valve chamber, the spring can be moved between the deepest part of the hole (point in the middle of Figure 2) and the opening end (point a in Figure 2). It comes into contact with the inner surface of the hole and can apply a restoring force (C in FIG. 2) to the movable member.
特にこの部位でスプリングは密巻きであるため、この復
元力は充分に大きな価となり可動部材は確実に正規の姿
勢に戻される。In particular, since the spring is tightly wound in this region, this restoring force is sufficiently large to ensure that the movable member returns to its normal position.
次に、本考案の一実施例を第２図に基づいて説明する。Next, an embodiment of the present invention will be described based on FIG.
バルブの全体構造のうち第１図と同様のものは、第１図
と同一の符号を付すに留め＼特に本考案バルブの変更点
について説明する。Components of the overall structure of the valve that are similar to those in FIG. 1 are designated by the same reference numerals as in FIG. 1. In particular, changes in the valve of the present invention will be described.
可動部材２は弁室９内に移動自在に配設され、その一端
はポート４と対向し、ポート４の開閉を行なう。The movable member 2 is movably disposed within the valve chamber 9, one end of which faces the port 4, and opens and closes the port 4.
２ｂはポート４０対向部に配設された弁部材である。2b is a valve member disposed at a portion facing the port 40.
また、可動部材２の裏面には孔２ａが穿設され、この孔
２ａとステータ７に穿設された穿７ａとの間に圧縮コイ
ルスプリング３が収納されている。Further, a hole 2a is formed in the back surface of the movable member 2, and a compression coil spring 3 is housed between this hole 2a and a hole 7a formed in the stator 7.
従って、可動部材２は圧縮コイルスプリング３の設定荷
重を受けてポート４を閉じる方向に付勢される。Therefore, the movable member 2 is biased in the direction of closing the port 4 under the set load of the compression coil spring 3.
コイルスプリングの内、可動部材の孔３ａに収納される
一端側は、孔３ａの深さに対応した長さにわたって隣接
する層が密着して巻かれている。One end of the coil spring, which is accommodated in the hole 3a of the movable member, is wound in close contact with adjacent layers over a length corresponding to the depth of the hole 3a.
そして、この一端側部位の外径は孔３ａの内径より所定
量（例えば０．２ ｗ程度）小径となっている。The outer diameter of this one end side portion is smaller than the inner diameter of the hole 3a by a predetermined amount (for example, about 0.2 W).
従って、圧縮コイルスプリング３の一端側は常時孔３ａ
に内接しているのではなく、第２図の様に可動部材２が
傾いたときには、孔３ａ内の最深部すと開口端部ａとが
孔３ａに当接することになる。Therefore, one end side of the compression coil spring 3 is always connected to the hole 3a.
When the movable member 2 is tilted as shown in FIG. 2, the deepest part of the hole 3a and the open end a come into contact with the hole 3a.
そのため、可動部材２が傾いたときには、コイルスプリ
ング３は一端側でａ、 ｂの長さにわたつて曲げ変形
させられ、その変形に応じた復元力がコイルスプリング
３に生じる。Therefore, when the movable member 2 is tilted, the coil spring 3 is bent and deformed at one end over the lengths a and b, and a restoring force corresponding to the deformation is generated in the coil spring 3.
そして、この復元力によって可動部材２はＣ方向に押さ
れる。The movable member 2 is pushed in the C direction by this restoring force.
即ち、可動部材２は傾いた状態より原姿勢に復帰する。That is, the movable member 2 returns to its original position from the tilted state.
特に、コイルスプリング３の一端側は密巻き成形されて
いる為、曲げ変形に対する復元力は充分得られ、可動部
材２が微小量傾いただけでも正規の姿勢に確実に戻され
る。In particular, since one end of the coil spring 3 is tightly wound, sufficient restoring force against bending deformation can be obtained, and even if the movable member 2 is slightly tilted, it can be reliably returned to its normal position.
ここでコイルスプリング３を相隣り合う層が密着する様
に成形すると・コイルスプリング３の軸方向には変形し
なくなり、軸方向の設定荷重が得られなくなるが、本例
では、コイルスプリング３の他端側により軸方向の付勢
力が発揮される。If the coil spring 3 is formed so that the adjacent layers are in close contact with each other, the coil spring 3 will not deform in the axial direction, and the set load in the axial direction will not be obtained. An axial biasing force is exerted by the end side.
尤も、コイルスプリング３の一端側は必ずしも密着して
巻き成形されなげればならないものではない。However, one end of the coil spring 3 does not necessarily have to be tightly wound.
一端側は、曲げ変形に対して充分な復元力が得られれば
よいのであり、従って密に巻き成形されておれば、相隣
り合う層間に多少の隙間が生じていてもよい。It is sufficient that one end has sufficient restoring force against bending deformation, and therefore, as long as it is tightly wound, there may be some gaps between adjacent layers.
以上の説明から明らかなように、本考案によれば簡単な
構成で可動部材の姿勢を常に正しく保持できるという優
れた効果を奏する。As is clear from the above description, the present invention provides an excellent effect in that the posture of the movable member can always be maintained correctly with a simple configuration.
第１図は従来の電磁弁を示す断面図、第２図は本考案の
一実施例を示す断面図である。
２・・・・・・可動部材、２ａ・・・・・・孔、３・・
・スプリング。FIG. 1 is a sectional view showing a conventional solenoid valve, and FIG. 2 is a sectional view showing an embodiment of the present invention. 2...Movable member, 2a...hole, 3...
·spring.
Claims (1)
され前記ポートを開閉する可動部材と、この可動部材を
前記ポート閉方向に付勢する圧縮コイルスプリングとを
備え、前記可動部材外周と前記弁室内面との間に間隙を
設けたバルブにおいて、前記圧縮コイルスプリングの一
端側を複数層にわたって密巻成形すると共に、前記圧縮
部材に前記圧縮コイルスプリング外径より微小量大径の
孔を設け、前記圧縮コイルスプリングの一端をこの孔内
に保持したバルブ。The outer periphery of the movable member includes a valve chamber in which a port opens, a movable member movably disposed within the valve chamber to open and close the port, and a compression coil spring that biases the movable member in the port closing direction. In the valve in which a gap is provided between the compression coil spring and the inner surface of the valve chamber, one end side of the compression coil spring is tightly wound in multiple layers, and a hole having a diameter slightly larger than the outer diameter of the compression coil spring is formed in the compression member. and having one end of the compression coil spring held within the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979159395U JPS5838208Y2 (en) | 1979-11-16 | 1979-11-16 | valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979159395U JPS5838208Y2 (en) | 1979-11-16 | 1979-11-16 | valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5676734U JPS5676734U (en) | 1981-06-23 |
| JPS5838208Y2 true JPS5838208Y2 (en) | 1983-08-29 |
Family
ID=29670599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979159395U Expired JPS5838208Y2 (en) | 1979-11-16 | 1979-11-16 | valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5838208Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5422872U (en) * | 1977-07-16 | 1979-02-15 |
-
1979
- 1979-11-16 JP JP1979159395U patent/JPS5838208Y2/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5422872U (en) * | 1977-07-16 | 1979-02-15 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5676734U (en) | 1981-06-23 |
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