JPH0434572U - - Google Patents
Info
- Publication number
- JPH0434572U JPH0434572U JP7660490U JP7660490U JPH0434572U JP H0434572 U JPH0434572 U JP H0434572U JP 7660490 U JP7660490 U JP 7660490U JP 7660490 U JP7660490 U JP 7660490U JP H0434572 U JPH0434572 U JP H0434572U
- Authority
- JP
- Japan
- Prior art keywords
- stroke control
- plunger
- solenoid valve
- proportional solenoid
- control means
- 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.)
- Pending
Links
Landscapes
- Magnetically Actuated Valves (AREA)
Description
第１図は本考案における比例電磁弁のストロー
ク制御構造の一実施例を示す縦断面図、第２図、
第３図は本考案における比例電磁弁の他のストロ
ーク制御構造の実施例を示す縦断面図、第４図は
従来の比例電磁弁の縦断面図、第５図Ａは第４図
矢印方向流れによる実施例の電流・流量特性線図
、第５図Ｂは第４図矢印方向流れによるバルブ近
傍のコアアンダー現象を示す縦断面図である。
１……ボビン、２……ソレノイド、３……カバ
ー、４……コア、５……コアプレート、６……ス
トツパー、７……プランジヤ、８……バルブ、９
……スプリング、１０，１１……連通孔、１２…
…シールリング、１３……筒状シート、１４……
流量制御口、１５，１６……空気通路、１７……
ブロツク、１８……バルブ突起、１９……ストツ
パー突起、２０……ボビン突起、２１……シート
ストツパー。
Fig. 1 is a longitudinal sectional view showing an embodiment of the stroke control structure of the proportional solenoid valve in the present invention; Fig. 2;
Fig. 3 is a longitudinal sectional view showing another embodiment of the stroke control structure of the proportional solenoid valve according to the present invention, Fig. 4 is a longitudinal sectional view of a conventional proportional solenoid valve, and Fig. 5A is a flow in the direction of the arrow in Fig. 4. FIG. 5B is a longitudinal sectional view showing the core-under phenomenon near the valve due to the flow in the direction of the arrow in FIG. 4. 1... Bobbin, 2... Solenoid, 3... Cover, 4... Core, 5... Core plate, 6... Stopper, 7... Plunger, 8... Valve, 9
...Spring, 10, 11...Communication hole, 12...
... Seal ring, 13 ... Cylindrical sheet, 14 ...
Flow rate control port, 15, 16... Air passage, 17...
Block, 18...Valve protrusion, 19...Stopper protrusion, 20...Bobbin protrusion, 21...Seat stopper.
Claims (1)
電磁吸引力により前記筒状シートの内周面に摺動
しつつバネ力に反撥して移動するプランジヤーと
一体となつたバルブとを備え、バルブの先端部に
て流量制御口の開口面積を制御することにより印
加電流に比例した流量を得るようにした比例電磁
弁において、プランジヤーのストローク制御手段
に、ストツパー突起部を有することを特徴とする
比例電磁弁のストローク制御構造。 (2) プランジヤーのストローク制御手段にボビ
ン突起部を設けたことを特徴とする請求項１記載
の比例電磁弁のストローク制御構造。 (3) プランジヤーのストローク制御手段に筒状
シートストツパー部を設けたことを特徴とする請
求項１記載の比例電磁弁のストローク制御構造。[Scope of claims for utility model registration] (1) A cylindrical sheet having a flow control port on the side wall,
A valve is integrated with a plunger that slides on the inner circumferential surface of the cylindrical sheet by electromagnetic attraction and moves in reaction to a spring force, and the opening area of the flow rate control port is controlled by the tip of the valve. 1. A stroke control structure for a proportional solenoid valve, characterized in that a stroke control means of a plunger has a stopper protrusion in the proportional solenoid valve, which obtains a flow rate proportional to an applied current. (2) The stroke control structure for a proportional solenoid valve according to claim 1, wherein a bobbin protrusion is provided on the stroke control means of the plunger. (3) The stroke control structure for a proportional solenoid valve according to claim 1, wherein the plunger stroke control means is provided with a cylindrical seat stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7660490U JPH0434572U (en) | 1990-07-20 | 1990-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7660490U JPH0434572U (en) | 1990-07-20 | 1990-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0434572U true JPH0434572U (en) | 1992-03-23 |
Family
ID=31618225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7660490U Pending JPH0434572U (en) | 1990-07-20 | 1990-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434572U (en) |
-
1990
- 1990-07-20 JP JP7660490U patent/JPH0434572U/ja active Pending